Import ACPICA 20120215.vendor/acpica/20120215

24 files changed, 13566 insertions, 0 deletions

diff --git a/source/components/utilities/utaddress.c b/source/components/utilities/utaddress.c
new file mode 100644
index 000000000000..0b357b681b51
--- /dev/null
+++ b/source/components/utilities/utaddress.c
@@ -0,0 +1,322 @@
+/******************************************************************************
+ *
+ * Module Name: utaddress - OpRegion address range check
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTADDRESS_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utaddress")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAddAddressRange
+ *
+ * PARAMETERS:  SpaceId             - Address space ID
+ *              Address             - OpRegion start address
+ *              Length              - OpRegion length
+ *              RegionNode          - OpRegion namespace node
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Add the Operation Region address range to the global list.
+ *              The only supported Space IDs are Memory and I/O. Called when
+ *              the OpRegion address/length operands are fully evaluated.
+ *
+ * MUTEX:       Locks the namespace
+ *
+ * NOTE: Because this interface is only called when an OpRegion argument
+ * list is evaluated, there cannot be any duplicate RegionNodes.
+ * Duplicate Address/Length values are allowed, however, so that multiple
+ * address conflicts can be detected.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtAddAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  Length,
+    ACPI_NAMESPACE_NODE     *RegionNode)
+{
+    ACPI_ADDRESS_RANGE      *RangeInfo;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtAddAddressRange);
+
+
+    if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
+        (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO))
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Allocate/init a new info block, add it to the appropriate list */
+
+    RangeInfo = ACPI_ALLOCATE (sizeof (ACPI_ADDRESS_RANGE));
+    if (!RangeInfo)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    RangeInfo->StartAddress = Address;
+    RangeInfo->EndAddress = (Address + Length - 1);
+    RangeInfo->RegionNode = RegionNode;
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_FREE (RangeInfo);
+        return_ACPI_STATUS (Status);
+    }
+
+    RangeInfo->Next = AcpiGbl_AddressRangeList[SpaceId];
+    AcpiGbl_AddressRangeList[SpaceId] = RangeInfo;
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+        "\nAdded [%4.4s] address range: 0x%p-0x%p\n",
+        AcpiUtGetNodeName (RangeInfo->RegionNode),
+        ACPI_CAST_PTR (void, Address),
+        ACPI_CAST_PTR (void, RangeInfo->EndAddress)));
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtRemoveAddressRange
+ *
+ * PARAMETERS:  SpaceId             - Address space ID
+ *              RegionNode          - OpRegion namespace node
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Remove the Operation Region from the global list. The only
+ *              supported Space IDs are Memory and I/O. Called when an
+ *              OpRegion is deleted.
+ *
+ * MUTEX:       Assumes the namespace is locked
+ *
+ ******************************************************************************/
+
+void
+AcpiUtRemoveAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_NAMESPACE_NODE     *RegionNode)
+{
+    ACPI_ADDRESS_RANGE      *RangeInfo;
+    ACPI_ADDRESS_RANGE      *Prev;
+
+
+    ACPI_FUNCTION_TRACE (UtRemoveAddressRange);
+
+
+    if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
+        (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO))
+    {
+        return_VOID;
+    }
+
+    /* Get the appropriate list head and check the list */
+
+    RangeInfo = Prev = AcpiGbl_AddressRangeList[SpaceId];
+    while (RangeInfo)
+    {
+        if (RangeInfo->RegionNode == RegionNode)
+        {
+            if (RangeInfo == Prev) /* Found at list head */
+            {
+                AcpiGbl_AddressRangeList[SpaceId] = RangeInfo->Next;
+            }
+            else
+            {
+                Prev->Next = RangeInfo->Next;
+            }
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
+                "\nRemoved [%4.4s] address range: 0x%p-0x%p\n",
+                AcpiUtGetNodeName (RangeInfo->RegionNode),
+                ACPI_CAST_PTR (void, RangeInfo->StartAddress),
+                ACPI_CAST_PTR (void, RangeInfo->EndAddress)));
+
+            ACPI_FREE (RangeInfo);
+            return_VOID;
+        }
+
+        Prev = RangeInfo;
+        RangeInfo = RangeInfo->Next;
+    }
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCheckAddressRange
+ *
+ * PARAMETERS:  SpaceId             - Address space ID
+ *              Address             - Start address
+ *              Length              - Length of address range
+ *              Warn                - TRUE if warning on overlap desired
+ *
+ * RETURN:      Count of the number of conflicts detected. Zero is always
+ *              returned for Space IDs other than Memory or I/O.
+ *
+ * DESCRIPTION: Check if the input address range overlaps any of the
+ *              ASL operation region address ranges. The only supported
+ *              Space IDs are Memory and I/O.
+ *
+ * MUTEX:       Assumes the namespace is locked.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiUtCheckAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT32                  Length,
+    BOOLEAN                 Warn)
+{
+    ACPI_ADDRESS_RANGE      *RangeInfo;
+    ACPI_PHYSICAL_ADDRESS   EndAddress;
+    char                    *Pathname;
+    UINT32                  OverlapCount = 0;
+
+
+    ACPI_FUNCTION_TRACE (UtCheckAddressRange);
+
+
+    if ((SpaceId != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
+        (SpaceId != ACPI_ADR_SPACE_SYSTEM_IO))
+    {
+        return_UINT32 (0);
+    }
+
+    RangeInfo = AcpiGbl_AddressRangeList[SpaceId];
+    EndAddress = Address + Length - 1;
+
+    /* Check entire list for all possible conflicts */
+
+    while (RangeInfo)
+    {
+        /*
+         * Check if the requested Address/Length overlaps this AddressRange.
+         * Four cases to consider:
+         *
+         * 1) Input address/length is contained completely in the address range
+         * 2) Input address/length overlaps range at the range start
+         * 3) Input address/length overlaps range at the range end
+         * 4) Input address/length completely encompasses the range
+         */
+        if ((Address <= RangeInfo->EndAddress) &&
+            (EndAddress >= RangeInfo->StartAddress))
+        {
+            /* Found an address range overlap */
+
+            OverlapCount++;
+            if (Warn)   /* Optional warning message */
+            {
+                Pathname = AcpiNsGetExternalPathname (RangeInfo->RegionNode);
+
+                ACPI_WARNING ((AE_INFO,
+                    "0x%p-0x%p %s conflicts with Region %s %d",
+                    ACPI_CAST_PTR (void, Address),
+                    ACPI_CAST_PTR (void, EndAddress),
+                    AcpiUtGetRegionName (SpaceId), Pathname, OverlapCount));
+                ACPI_FREE (Pathname);
+            }
+        }
+
+        RangeInfo = RangeInfo->Next;
+    }
+
+    return_UINT32 (OverlapCount);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteAddressLists
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Delete all global address range lists (called during
+ *              subsystem shutdown).
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteAddressLists (
+    void)
+{
+    ACPI_ADDRESS_RANGE      *Next;
+    ACPI_ADDRESS_RANGE      *RangeInfo;
+    int                     i;
+
+
+    /* Delete all elements in all address range lists */
+
+    for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
+    {
+        Next = AcpiGbl_AddressRangeList[i];
+
+        while (Next)
+        {
+            RangeInfo = Next;
+            Next = RangeInfo->Next;
+            ACPI_FREE (RangeInfo);
+        }
+
+        AcpiGbl_AddressRangeList[i] = NULL;
+    }
+}
diff --git a/source/components/utilities/utalloc.c b/source/components/utilities/utalloc.c
new file mode 100644
index 000000000000..d2eb11edcb6f
--- /dev/null
+++ b/source/components/utilities/utalloc.c
@@ -0,0 +1,416 @@
+/******************************************************************************
+ *
+ * Module Name: utalloc - local memory allocation routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTALLOC_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acdebug.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utalloc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateCaches
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create all local caches
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCreateCaches (
+    void)
+{
+    ACPI_STATUS             Status;
+
+
+    /* Object Caches, for frequently used objects */
+
+    Status = AcpiOsCreateCache ("Acpi-Namespace", sizeof (ACPI_NAMESPACE_NODE),
+                ACPI_MAX_NAMESPACE_CACHE_DEPTH, &AcpiGbl_NamespaceCache);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiOsCreateCache ("Acpi-State", sizeof (ACPI_GENERIC_STATE),
+                ACPI_MAX_STATE_CACHE_DEPTH, &AcpiGbl_StateCache);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiOsCreateCache ("Acpi-Parse", sizeof (ACPI_PARSE_OBJ_COMMON),
+                ACPI_MAX_PARSE_CACHE_DEPTH, &AcpiGbl_PsNodeCache);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiOsCreateCache ("Acpi-ParseExt", sizeof (ACPI_PARSE_OBJ_NAMED),
+                ACPI_MAX_EXTPARSE_CACHE_DEPTH, &AcpiGbl_PsNodeExtCache);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiOsCreateCache ("Acpi-Operand", sizeof (ACPI_OPERAND_OBJECT),
+                ACPI_MAX_OBJECT_CACHE_DEPTH, &AcpiGbl_OperandCache);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+    /* Memory allocation lists */
+
+    Status = AcpiUtCreateList ("Acpi-Global", 0,
+                &AcpiGbl_GlobalList);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiUtCreateList ("Acpi-Namespace", sizeof (ACPI_NAMESPACE_NODE),
+                &AcpiGbl_NsNodeList);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+#endif
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteCaches
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Purge and delete all local caches
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtDeleteCaches (
+    void)
+{
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+    char                    Buffer[7];
+
+    if (AcpiGbl_DisplayFinalMemStats)
+    {
+        ACPI_STRCPY (Buffer, "MEMORY");
+        (void) AcpiDbDisplayStatistics (Buffer);
+    }
+#endif
+
+    (void) AcpiOsDeleteCache (AcpiGbl_NamespaceCache);
+    AcpiGbl_NamespaceCache = NULL;
+
+    (void) AcpiOsDeleteCache (AcpiGbl_StateCache);
+    AcpiGbl_StateCache = NULL;
+
+    (void) AcpiOsDeleteCache (AcpiGbl_OperandCache);
+    AcpiGbl_OperandCache = NULL;
+
+    (void) AcpiOsDeleteCache (AcpiGbl_PsNodeCache);
+    AcpiGbl_PsNodeCache = NULL;
+
+    (void) AcpiOsDeleteCache (AcpiGbl_PsNodeExtCache);
+    AcpiGbl_PsNodeExtCache = NULL;
+
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+    /* Debug only - display leftover memory allocation, if any */
+
+    AcpiUtDumpAllocations (ACPI_UINT32_MAX, NULL);
+
+    /* Free memory lists */
+
+    AcpiOsFree (AcpiGbl_GlobalList);
+    AcpiGbl_GlobalList = NULL;
+
+    AcpiOsFree (AcpiGbl_NsNodeList);
+    AcpiGbl_NsNodeList = NULL;
+#endif
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidateBuffer
+ *
+ * PARAMETERS:  Buffer              - Buffer descriptor to be validated
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform parameter validation checks on an ACPI_BUFFER
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtValidateBuffer (
+    ACPI_BUFFER             *Buffer)
+{
+
+    /* Obviously, the structure pointer must be valid */
+
+    if (!Buffer)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* Special semantics for the length */
+
+    if ((Buffer->Length == ACPI_NO_BUFFER)              ||
+        (Buffer->Length == ACPI_ALLOCATE_BUFFER)        ||
+        (Buffer->Length == ACPI_ALLOCATE_LOCAL_BUFFER))
+    {
+        return (AE_OK);
+    }
+
+    /* Length is valid, the buffer pointer must be also */
+
+    if (!Buffer->Pointer)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtInitializeBuffer
+ *
+ * PARAMETERS:  Buffer              - Buffer to be validated
+ *              RequiredLength      - Length needed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Validate that the buffer is of the required length or
+ *              allocate a new buffer. Returned buffer is always zeroed.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtInitializeBuffer (
+    ACPI_BUFFER             *Buffer,
+    ACPI_SIZE               RequiredLength)
+{
+    ACPI_SIZE               InputBufferLength;
+
+
+    /* Parameter validation */
+
+    if (!Buffer || !RequiredLength)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Buffer->Length is used as both an input and output parameter. Get the
+     * input actual length and set the output required buffer length.
+     */
+    InputBufferLength = Buffer->Length;
+    Buffer->Length = RequiredLength;
+
+    /*
+     * The input buffer length contains the actual buffer length, or the type
+     * of buffer to be allocated by this routine.
+     */
+    switch (InputBufferLength)
+    {
+    case ACPI_NO_BUFFER:
+
+        /* Return the exception (and the required buffer length) */
+
+        return (AE_BUFFER_OVERFLOW);
+
+    case ACPI_ALLOCATE_BUFFER:
+
+        /* Allocate a new buffer */
+
+        Buffer->Pointer = AcpiOsAllocate (RequiredLength);
+        break;
+
+    case ACPI_ALLOCATE_LOCAL_BUFFER:
+
+        /* Allocate a new buffer with local interface to allow tracking */
+
+        Buffer->Pointer = ACPI_ALLOCATE (RequiredLength);
+        break;
+
+    default:
+
+        /* Existing buffer: Validate the size of the buffer */
+
+        if (InputBufferLength < RequiredLength)
+        {
+            return (AE_BUFFER_OVERFLOW);
+        }
+        break;
+    }
+
+    /* Validate allocation from above or input buffer pointer */
+
+    if (!Buffer->Pointer)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    /* Have a valid buffer, clear it */
+
+    ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocate
+ *
+ * PARAMETERS:  Size                - Size of the allocation
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: Subsystem equivalent of malloc.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtAllocate (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    const char              *Module,
+    UINT32                  Line)
+{
+    void                    *Allocation;
+
+
+    ACPI_FUNCTION_TRACE_U32 (UtAllocate, Size);
+
+
+    /* Check for an inadvertent size of zero bytes */
+
+    if (!Size)
+    {
+        ACPI_WARNING ((Module, Line,
+            "Attempt to allocate zero bytes, allocating 1 byte"));
+        Size = 1;
+    }
+
+    Allocation = AcpiOsAllocate (Size);
+    if (!Allocation)
+    {
+        /* Report allocation error */
+
+        ACPI_WARNING ((Module, Line,
+            "Could not allocate size %u", (UINT32) Size));
+
+        return_PTR (NULL);
+    }
+
+    return_PTR (Allocation);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocateZeroed
+ *
+ * PARAMETERS:  Size                - Size of the allocation
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: Subsystem equivalent of calloc. Allocate and zero memory.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtAllocateZeroed (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    const char              *Module,
+    UINT32                  Line)
+{
+    void                    *Allocation;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    Allocation = AcpiUtAllocate (Size, Component, Module, Line);
+    if (Allocation)
+    {
+        /* Clear the memory block */
+
+        ACPI_MEMSET (Allocation, 0, Size);
+    }
+
+    return (Allocation);
+}
+
diff --git a/source/components/utilities/utcache.c b/source/components/utilities/utcache.c
new file mode 100644
index 000000000000..7b3abe2894ca
--- /dev/null
+++ b/source/components/utilities/utcache.c
@@ -0,0 +1,361 @@
+/******************************************************************************
+ *
+ * Module Name: utcache - local cache allocation routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTCACHE_C__
+
+#include "acpi.h"
+#include "accommon.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utcache")
+
+
+#ifdef ACPI_USE_LOCAL_CACHE
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiOsCreateCache
+ *
+ * PARAMETERS:  CacheName       - Ascii name for the cache
+ *              ObjectSize      - Size of each cached object
+ *              MaxDepth        - Maximum depth of the cache (in objects)
+ *              ReturnCache     - Where the new cache object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a cache object
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiOsCreateCache (
+    char                    *CacheName,
+    UINT16                  ObjectSize,
+    UINT16                  MaxDepth,
+    ACPI_MEMORY_LIST        **ReturnCache)
+{
+    ACPI_MEMORY_LIST        *Cache;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!CacheName || !ReturnCache || (ObjectSize < 16))
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* Create the cache object */
+
+    Cache = AcpiOsAllocate (sizeof (ACPI_MEMORY_LIST));
+    if (!Cache)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    /* Populate the cache object and return it */
+
+    ACPI_MEMSET (Cache, 0, sizeof (ACPI_MEMORY_LIST));
+    Cache->LinkOffset = 8;
+    Cache->ListName   = CacheName;
+    Cache->ObjectSize = ObjectSize;
+    Cache->MaxDepth   = MaxDepth;
+
+    *ReturnCache = Cache;
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiOsPurgeCache
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiOsPurgeCache (
+    ACPI_MEMORY_LIST        *Cache)
+{
+    char                    *Next;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!Cache)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Walk the list of objects in this cache */
+
+    while (Cache->ListHead)
+    {
+        /* Delete and unlink one cached state object */
+
+        Next = *(ACPI_CAST_INDIRECT_PTR (char,
+                    &(((char *) Cache->ListHead)[Cache->LinkOffset])));
+        ACPI_FREE (Cache->ListHead);
+
+        Cache->ListHead = Next;
+        Cache->CurrentDepth--;
+    }
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiOsDeleteCache
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache and delete the
+ *              cache object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiOsDeleteCache (
+    ACPI_MEMORY_LIST        *Cache)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+   /* Purge all objects in the cache */
+
+    Status = AcpiOsPurgeCache (Cache);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Now we can delete the cache object */
+
+    AcpiOsFree (Cache);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiOsReleaseObject
+ *
+ * PARAMETERS:  Cache       - Handle to cache object
+ *              Object      - The object to be released
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Release an object to the specified cache.  If cache is full,
+ *              the object is deleted.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiOsReleaseObject (
+    ACPI_MEMORY_LIST        *Cache,
+    void                    *Object)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!Cache || !Object)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* If cache is full, just free this object */
+
+    if (Cache->CurrentDepth >= Cache->MaxDepth)
+    {
+        ACPI_FREE (Object);
+        ACPI_MEM_TRACKING (Cache->TotalFreed++);
+    }
+
+    /* Otherwise put this object back into the cache */
+
+    else
+    {
+        Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+
+        /* Mark the object as cached */
+
+        ACPI_MEMSET (Object, 0xCA, Cache->ObjectSize);
+        ACPI_SET_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_CACHED);
+
+        /* Put the object at the head of the cache list */
+
+        * (ACPI_CAST_INDIRECT_PTR (char,
+            &(((char *) Object)[Cache->LinkOffset]))) = Cache->ListHead;
+        Cache->ListHead = Object;
+        Cache->CurrentDepth++;
+
+        (void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiOsAcquireObject
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      the acquired object.  NULL on error
+ *
+ * DESCRIPTION: Get an object from the specified cache.  If cache is empty,
+ *              the object is allocated.
+ *
+ ******************************************************************************/
+
+void *
+AcpiOsAcquireObject (
+    ACPI_MEMORY_LIST        *Cache)
+{
+    ACPI_STATUS             Status;
+    void                    *Object;
+
+
+    ACPI_FUNCTION_NAME (OsAcquireObject);
+
+
+    if (!Cache)
+    {
+        return (NULL);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
+    if (ACPI_FAILURE (Status))
+    {
+        return (NULL);
+    }
+
+    ACPI_MEM_TRACKING (Cache->Requests++);
+
+    /* Check the cache first */
+
+    if (Cache->ListHead)
+    {
+        /* There is an object available, use it */
+
+        Object = Cache->ListHead;
+        Cache->ListHead = *(ACPI_CAST_INDIRECT_PTR (char,
+                                &(((char *) Object)[Cache->LinkOffset])));
+
+        Cache->CurrentDepth--;
+
+        ACPI_MEM_TRACKING (Cache->Hits++);
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "Object %p from %s cache\n", Object, Cache->ListName));
+
+        Status = AcpiUtReleaseMutex (ACPI_MTX_CACHES);
+        if (ACPI_FAILURE (Status))
+        {
+            return (NULL);
+        }
+
+        /* Clear (zero) the previously used Object */
+
+        ACPI_MEMSET (Object, 0, Cache->ObjectSize);
+    }
+    else
+    {
+        /* The cache is empty, create a new object */
+
+        ACPI_MEM_TRACKING (Cache->TotalAllocated++);
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+        if ((Cache->TotalAllocated - Cache->TotalFreed) > Cache->MaxOccupied)
+        {
+            Cache->MaxOccupied = Cache->TotalAllocated - Cache->TotalFreed;
+        }
+#endif
+
+        /* Avoid deadlock with ACPI_ALLOCATE_ZEROED */
+
+        Status = AcpiUtReleaseMutex (ACPI_MTX_CACHES);
+        if (ACPI_FAILURE (Status))
+        {
+            return (NULL);
+        }
+
+        Object = ACPI_ALLOCATE_ZEROED (Cache->ObjectSize);
+        if (!Object)
+        {
+            return (NULL);
+        }
+    }
+
+    return (Object);
+}
+#endif /* ACPI_USE_LOCAL_CACHE */
+
+
diff --git a/source/components/utilities/utclib.c b/source/components/utilities/utclib.c
new file mode 100644
index 000000000000..d0153ec5d295
--- /dev/null
+++ b/source/components/utilities/utclib.c
@@ -0,0 +1,889 @@
+/******************************************************************************
+ *
+ * Module Name: cmclib - Local implementation of C library functions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#define __CMCLIB_C__
+
+#include "acpi.h"
+#include "accommon.h"
+
+/*
+ * These implementations of standard C Library routines can optionally be
+ * used if a C library is not available.  In general, they are less efficient
+ * than an inline or assembly implementation
+ */
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("cmclib")
+
+
+#ifndef ACPI_USE_SYSTEM_CLIBRARY
+
+#define NEGATIVE    1
+#define POSITIVE    0
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtMemcmp (memcmp)
+ *
+ * PARAMETERS:  Buffer1         - First Buffer
+ *              Buffer2         - Second Buffer
+ *              Count           - Maximum # of bytes to compare
+ *
+ * RETURN:      Index where Buffers mismatched, or 0 if Buffers matched
+ *
+ * DESCRIPTION: Compare two Buffers, with a maximum length
+ *
+ ******************************************************************************/
+
+int
+AcpiUtMemcmp (
+    const char              *Buffer1,
+    const char              *Buffer2,
+    ACPI_SIZE               Count)
+{
+
+    for ( ; Count-- && (*Buffer1 == *Buffer2); Buffer1++, Buffer2++)
+    {
+    }
+
+    return ((Count == ACPI_SIZE_MAX) ? 0 : ((unsigned char) *Buffer1 -
+        (unsigned char) *Buffer2));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtMemcpy (memcpy)
+ *
+ * PARAMETERS:  Dest        - Target of the copy
+ *              Src         - Source buffer to copy
+ *              Count       - Number of bytes to copy
+ *
+ * RETURN:      Dest
+ *
+ * DESCRIPTION: Copy arbitrary bytes of memory
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtMemcpy (
+    void                    *Dest,
+    const void              *Src,
+    ACPI_SIZE               Count)
+{
+    char                    *New = (char *) Dest;
+    char                    *Old = (char *) Src;
+
+
+    while (Count)
+    {
+        *New = *Old;
+        New++;
+        Old++;
+        Count--;
+    }
+
+    return (Dest);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtMemset (memset)
+ *
+ * PARAMETERS:  Dest        - Buffer to set
+ *              Value       - Value to set each byte of memory
+ *              Count       - Number of bytes to set
+ *
+ * RETURN:      Dest
+ *
+ * DESCRIPTION: Initialize a buffer to a known value.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtMemset (
+    void                    *Dest,
+    UINT8                   Value,
+    ACPI_SIZE               Count)
+{
+    char                    *New = (char *) Dest;
+
+
+    while (Count)
+    {
+        *New = (char) Value;
+        New++;
+        Count--;
+    }
+
+    return (Dest);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrlen (strlen)
+ *
+ * PARAMETERS:  String              - Null terminated string
+ *
+ * RETURN:      Length
+ *
+ * DESCRIPTION: Returns the length of the input string
+ *
+ ******************************************************************************/
+
+
+ACPI_SIZE
+AcpiUtStrlen (
+    const char              *String)
+{
+    UINT32                  Length = 0;
+
+
+    /* Count the string until a null is encountered */
+
+    while (*String)
+    {
+        Length++;
+        String++;
+    }
+
+    return (Length);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrcpy (strcpy)
+ *
+ * PARAMETERS:  DstString       - Target of the copy
+ *              SrcString       - The source string to copy
+ *
+ * RETURN:      DstString
+ *
+ * DESCRIPTION: Copy a null terminated string
+ *
+ ******************************************************************************/
+
+char *
+AcpiUtStrcpy (
+    char                    *DstString,
+    const char              *SrcString)
+{
+    char                    *String = DstString;
+
+
+    /* Move bytes brute force */
+
+    while (*SrcString)
+    {
+        *String = *SrcString;
+
+        String++;
+        SrcString++;
+    }
+
+    /* Null terminate */
+
+    *String = 0;
+    return (DstString);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrncpy (strncpy)
+ *
+ * PARAMETERS:  DstString       - Target of the copy
+ *              SrcString       - The source string to copy
+ *              Count           - Maximum # of bytes to copy
+ *
+ * RETURN:      DstString
+ *
+ * DESCRIPTION: Copy a null terminated string, with a maximum length
+ *
+ ******************************************************************************/
+
+char *
+AcpiUtStrncpy (
+    char                    *DstString,
+    const char              *SrcString,
+    ACPI_SIZE               Count)
+{
+    char                    *String = DstString;
+
+
+    /* Copy the string */
+
+    for (String = DstString;
+        Count && (Count--, (*String++ = *SrcString++)); )
+    {;}
+
+    /* Pad with nulls if necessary */
+
+    while (Count--)
+    {
+        *String = 0;
+        String++;
+    }
+
+    /* Return original pointer */
+
+    return (DstString);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrcmp (strcmp)
+ *
+ * PARAMETERS:  String1         - First string
+ *              String2         - Second string
+ *
+ * RETURN:      Index where strings mismatched, or 0 if strings matched
+ *
+ * DESCRIPTION: Compare two null terminated strings
+ *
+ ******************************************************************************/
+
+int
+AcpiUtStrcmp (
+    const char              *String1,
+    const char              *String2)
+{
+
+
+    for ( ; (*String1 == *String2); String2++)
+    {
+        if (!*String1++)
+        {
+            return (0);
+        }
+    }
+
+    return ((unsigned char) *String1 - (unsigned char) *String2);
+}
+
+
+#ifdef ACPI_FUTURE_IMPLEMENTATION
+/* Not used at this time */
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrchr (strchr)
+ *
+ * PARAMETERS:  String          - Search string
+ *              ch              - character to search for
+ *
+ * RETURN:      Ptr to char or NULL if not found
+ *
+ * DESCRIPTION: Search a string for a character
+ *
+ ******************************************************************************/
+
+char *
+AcpiUtStrchr (
+    const char              *String,
+    int                     ch)
+{
+
+
+    for ( ; (*String); String++)
+    {
+        if ((*String) == (char) ch)
+        {
+            return ((char *) String);
+        }
+    }
+
+    return (NULL);
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrncmp (strncmp)
+ *
+ * PARAMETERS:  String1         - First string
+ *              String2         - Second string
+ *              Count           - Maximum # of bytes to compare
+ *
+ * RETURN:      Index where strings mismatched, or 0 if strings matched
+ *
+ * DESCRIPTION: Compare two null terminated strings, with a maximum length
+ *
+ ******************************************************************************/
+
+int
+AcpiUtStrncmp (
+    const char              *String1,
+    const char              *String2,
+    ACPI_SIZE               Count)
+{
+
+
+    for ( ; Count-- && (*String1 == *String2); String2++)
+    {
+        if (!*String1++)
+        {
+            return (0);
+        }
+    }
+
+    return ((Count == ACPI_SIZE_MAX) ? 0 : ((unsigned char) *String1 -
+        (unsigned char) *String2));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrcat (Strcat)
+ *
+ * PARAMETERS:  DstString       - Target of the copy
+ *              SrcString       - The source string to copy
+ *
+ * RETURN:      DstString
+ *
+ * DESCRIPTION: Append a null terminated string to a null terminated string
+ *
+ ******************************************************************************/
+
+char *
+AcpiUtStrcat (
+    char                    *DstString,
+    const char              *SrcString)
+{
+    char                    *String;
+
+
+    /* Find end of the destination string */
+
+    for (String = DstString; *String++; )
+    { ; }
+
+    /* Concatenate the string */
+
+    for (--String; (*String++ = *SrcString++); )
+    { ; }
+
+    return (DstString);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrncat (strncat)
+ *
+ * PARAMETERS:  DstString       - Target of the copy
+ *              SrcString       - The source string to copy
+ *              Count           - Maximum # of bytes to copy
+ *
+ * RETURN:      DstString
+ *
+ * DESCRIPTION: Append a null terminated string to a null terminated string,
+ *              with a maximum count.
+ *
+ ******************************************************************************/
+
+char *
+AcpiUtStrncat (
+    char                    *DstString,
+    const char              *SrcString,
+    ACPI_SIZE               Count)
+{
+    char                    *String;
+
+
+    if (Count)
+    {
+        /* Find end of the destination string */
+
+        for (String = DstString; *String++; )
+        { ; }
+
+        /* Concatenate the string */
+
+        for (--String; (*String++ = *SrcString++) && --Count; )
+        { ; }
+
+        /* Null terminate if necessary */
+
+        if (!Count)
+        {
+            *String = 0;
+        }
+    }
+
+    return (DstString);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrstr (strstr)
+ *
+ * PARAMETERS:  String1         - Target string
+ *              String2         - Substring to search for
+ *
+ * RETURN:      Where substring match starts, Null if no match found
+ *
+ * DESCRIPTION: Checks if String2 occurs in String1. This is not really a
+ *              full implementation of strstr, only sufficient for command
+ *              matching
+ *
+ ******************************************************************************/
+
+char *
+AcpiUtStrstr (
+    char                    *String1,
+    char                    *String2)
+{
+    char                    *String;
+
+
+    if (AcpiUtStrlen (String2) > AcpiUtStrlen (String1))
+    {
+        return (NULL);
+    }
+
+    /* Walk entire string, comparing the letters */
+
+    for (String = String1; *String2; )
+    {
+        if (*String2 != *String)
+        {
+            return (NULL);
+        }
+
+        String2++;
+        String++;
+    }
+
+    return (String1);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrtoul (strtoul)
+ *
+ * PARAMETERS:  String          - Null terminated string
+ *              Terminater      - Where a pointer to the terminating byte is
+ *                                returned
+ *              Base            - Radix of the string
+ *
+ * RETURN:      Converted value
+ *
+ * DESCRIPTION: Convert a string into a 32-bit unsigned value.
+ *              Note: use AcpiUtStrtoul64 for 64-bit integers.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiUtStrtoul (
+    const char              *String,
+    char                    **Terminator,
+    UINT32                  Base)
+{
+    UINT32                  converted = 0;
+    UINT32                  index;
+    UINT32                  sign;
+    const char              *StringStart;
+    UINT32                  ReturnValue = 0;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    /*
+     * Save the value of the pointer to the buffer's first
+     * character, save the current errno value, and then
+     * skip over any white space in the buffer:
+     */
+    StringStart = String;
+    while (ACPI_IS_SPACE (*String) || *String == '\t')
+    {
+        ++String;
+    }
+
+    /*
+     * The buffer may contain an optional plus or minus sign.
+     * If it does, then skip over it but remember what is was:
+     */
+    if (*String == '-')
+    {
+        sign = NEGATIVE;
+        ++String;
+    }
+    else if (*String == '+')
+    {
+        ++String;
+        sign = POSITIVE;
+    }
+    else
+    {
+        sign = POSITIVE;
+    }
+
+    /*
+     * If the input parameter Base is zero, then we need to
+     * determine if it is octal, decimal, or hexadecimal:
+     */
+    if (Base == 0)
+    {
+        if (*String == '0')
+        {
+            if (AcpiUtToLower (*(++String)) == 'x')
+            {
+                Base = 16;
+                ++String;
+            }
+            else
+            {
+                Base = 8;
+            }
+        }
+        else
+        {
+            Base = 10;
+        }
+    }
+    else if (Base < 2 || Base > 36)
+    {
+        /*
+         * The specified Base parameter is not in the domain of
+         * this function:
+         */
+        goto done;
+    }
+
+    /*
+     * For octal and hexadecimal bases, skip over the leading
+     * 0 or 0x, if they are present.
+     */
+    if (Base == 8 && *String == '0')
+    {
+        String++;
+    }
+
+    if (Base == 16 &&
+        *String == '0' &&
+        AcpiUtToLower (*(++String)) == 'x')
+    {
+        String++;
+    }
+
+    /*
+     * Main loop: convert the string to an unsigned long:
+     */
+    while (*String)
+    {
+        if (ACPI_IS_DIGIT (*String))
+        {
+            index = (UINT32) ((UINT8) *String - '0');
+        }
+        else
+        {
+            index = (UINT32) AcpiUtToUpper (*String);
+            if (ACPI_IS_UPPER (index))
+            {
+                index = index - 'A' + 10;
+            }
+            else
+            {
+                goto done;
+            }
+        }
+
+        if (index >= Base)
+        {
+            goto done;
+        }
+
+        /*
+         * Check to see if value is out of range:
+         */
+
+        if (ReturnValue > ((ACPI_UINT32_MAX - (UINT32) index) /
+                            (UINT32) Base))
+        {
+            Status = AE_ERROR;
+            ReturnValue = 0;           /* reset */
+        }
+        else
+        {
+            ReturnValue *= Base;
+            ReturnValue += index;
+            converted = 1;
+        }
+
+        ++String;
+    }
+
+done:
+    /*
+     * If appropriate, update the caller's pointer to the next
+     * unconverted character in the buffer.
+     */
+    if (Terminator)
+    {
+        if (converted == 0 && ReturnValue == 0 && String != NULL)
+        {
+            *Terminator = (char *) StringStart;
+        }
+        else
+        {
+            *Terminator = (char *) String;
+        }
+    }
+
+    if (Status == AE_ERROR)
+    {
+        ReturnValue = ACPI_UINT32_MAX;
+    }
+
+    /*
+     * If a minus sign was present, then "the conversion is negated":
+     */
+    if (sign == NEGATIVE)
+    {
+        ReturnValue = (ACPI_UINT32_MAX - ReturnValue) + 1;
+    }
+
+    return (ReturnValue);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtToUpper (TOUPPER)
+ *
+ * PARAMETERS:  c           - Character to convert
+ *
+ * RETURN:      Converted character as an int
+ *
+ * DESCRIPTION: Convert character to uppercase
+ *
+ ******************************************************************************/
+
+int
+AcpiUtToUpper (
+    int                     c)
+{
+
+    return (ACPI_IS_LOWER(c) ? ((c)-0x20) : (c));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtToLower (TOLOWER)
+ *
+ * PARAMETERS:  c           - Character to convert
+ *
+ * RETURN:      Converted character as an int
+ *
+ * DESCRIPTION: Convert character to lowercase
+ *
+ ******************************************************************************/
+
+int
+AcpiUtToLower (
+    int                     c)
+{
+
+    return (ACPI_IS_UPPER(c) ? ((c)+0x20) : (c));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    is* functions
+ *
+ * DESCRIPTION: is* functions use the ctype table below
+ *
+ ******************************************************************************/
+
+const UINT8 _acpi_ctype[257] = {
+    _ACPI_CN,            /* 0x0      0.     */
+    _ACPI_CN,            /* 0x1      1.     */
+    _ACPI_CN,            /* 0x2      2.     */
+    _ACPI_CN,            /* 0x3      3.     */
+    _ACPI_CN,            /* 0x4      4.     */
+    _ACPI_CN,            /* 0x5      5.     */
+    _ACPI_CN,            /* 0x6      6.     */
+    _ACPI_CN,            /* 0x7      7.     */
+    _ACPI_CN,            /* 0x8      8.     */
+    _ACPI_CN|_ACPI_SP,   /* 0x9      9.     */
+    _ACPI_CN|_ACPI_SP,   /* 0xA     10.     */
+    _ACPI_CN|_ACPI_SP,   /* 0xB     11.     */
+    _ACPI_CN|_ACPI_SP,   /* 0xC     12.     */
+    _ACPI_CN|_ACPI_SP,   /* 0xD     13.     */
+    _ACPI_CN,            /* 0xE     14.     */
+    _ACPI_CN,            /* 0xF     15.     */
+    _ACPI_CN,            /* 0x10    16.     */
+    _ACPI_CN,            /* 0x11    17.     */
+    _ACPI_CN,            /* 0x12    18.     */
+    _ACPI_CN,            /* 0x13    19.     */
+    _ACPI_CN,            /* 0x14    20.     */
+    _ACPI_CN,            /* 0x15    21.     */
+    _ACPI_CN,            /* 0x16    22.     */
+    _ACPI_CN,            /* 0x17    23.     */
+    _ACPI_CN,            /* 0x18    24.     */
+    _ACPI_CN,            /* 0x19    25.     */
+    _ACPI_CN,            /* 0x1A    26.     */
+    _ACPI_CN,            /* 0x1B    27.     */
+    _ACPI_CN,            /* 0x1C    28.     */
+    _ACPI_CN,            /* 0x1D    29.     */
+    _ACPI_CN,            /* 0x1E    30.     */
+    _ACPI_CN,            /* 0x1F    31.     */
+    _ACPI_XS|_ACPI_SP,   /* 0x20    32. ' ' */
+    _ACPI_PU,            /* 0x21    33. '!' */
+    _ACPI_PU,            /* 0x22    34. '"' */
+    _ACPI_PU,            /* 0x23    35. '#' */
+    _ACPI_PU,            /* 0x24    36. '$' */
+    _ACPI_PU,            /* 0x25    37. '%' */
+    _ACPI_PU,            /* 0x26    38. '&' */
+    _ACPI_PU,            /* 0x27    39. ''' */
+    _ACPI_PU,            /* 0x28    40. '(' */
+    _ACPI_PU,            /* 0x29    41. ')' */
+    _ACPI_PU,            /* 0x2A    42. '*' */
+    _ACPI_PU,            /* 0x2B    43. '+' */
+    _ACPI_PU,            /* 0x2C    44. ',' */
+    _ACPI_PU,            /* 0x2D    45. '-' */
+    _ACPI_PU,            /* 0x2E    46. '.' */
+    _ACPI_PU,            /* 0x2F    47. '/' */
+    _ACPI_XD|_ACPI_DI,   /* 0x30    48. '0' */
+    _ACPI_XD|_ACPI_DI,   /* 0x31    49. '1' */
+    _ACPI_XD|_ACPI_DI,   /* 0x32    50. '2' */
+    _ACPI_XD|_ACPI_DI,   /* 0x33    51. '3' */
+    _ACPI_XD|_ACPI_DI,   /* 0x34    52. '4' */
+    _ACPI_XD|_ACPI_DI,   /* 0x35    53. '5' */
+    _ACPI_XD|_ACPI_DI,   /* 0x36    54. '6' */
+    _ACPI_XD|_ACPI_DI,   /* 0x37    55. '7' */
+    _ACPI_XD|_ACPI_DI,   /* 0x38    56. '8' */
+    _ACPI_XD|_ACPI_DI,   /* 0x39    57. '9' */
+    _ACPI_PU,            /* 0x3A    58. ':' */
+    _ACPI_PU,            /* 0x3B    59. ';' */
+    _ACPI_PU,            /* 0x3C    60. '<' */
+    _ACPI_PU,            /* 0x3D    61. '=' */
+    _ACPI_PU,            /* 0x3E    62. '>' */
+    _ACPI_PU,            /* 0x3F    63. '?' */
+    _ACPI_PU,            /* 0x40    64. '@' */
+    _ACPI_XD|_ACPI_UP,   /* 0x41    65. 'A' */
+    _ACPI_XD|_ACPI_UP,   /* 0x42    66. 'B' */
+    _ACPI_XD|_ACPI_UP,   /* 0x43    67. 'C' */
+    _ACPI_XD|_ACPI_UP,   /* 0x44    68. 'D' */
+    _ACPI_XD|_ACPI_UP,   /* 0x45    69. 'E' */
+    _ACPI_XD|_ACPI_UP,   /* 0x46    70. 'F' */
+    _ACPI_UP,            /* 0x47    71. 'G' */
+    _ACPI_UP,            /* 0x48    72. 'H' */
+    _ACPI_UP,            /* 0x49    73. 'I' */
+    _ACPI_UP,            /* 0x4A    74. 'J' */
+    _ACPI_UP,            /* 0x4B    75. 'K' */
+    _ACPI_UP,            /* 0x4C    76. 'L' */
+    _ACPI_UP,            /* 0x4D    77. 'M' */
+    _ACPI_UP,            /* 0x4E    78. 'N' */
+    _ACPI_UP,            /* 0x4F    79. 'O' */
+    _ACPI_UP,            /* 0x50    80. 'P' */
+    _ACPI_UP,            /* 0x51    81. 'Q' */
+    _ACPI_UP,            /* 0x52    82. 'R' */
+    _ACPI_UP,            /* 0x53    83. 'S' */
+    _ACPI_UP,            /* 0x54    84. 'T' */
+    _ACPI_UP,            /* 0x55    85. 'U' */
+    _ACPI_UP,            /* 0x56    86. 'V' */
+    _ACPI_UP,            /* 0x57    87. 'W' */
+    _ACPI_UP,            /* 0x58    88. 'X' */
+    _ACPI_UP,            /* 0x59    89. 'Y' */
+    _ACPI_UP,            /* 0x5A    90. 'Z' */
+    _ACPI_PU,            /* 0x5B    91. '[' */
+    _ACPI_PU,            /* 0x5C    92. '\' */
+    _ACPI_PU,            /* 0x5D    93. ']' */
+    _ACPI_PU,            /* 0x5E    94. '^' */
+    _ACPI_PU,            /* 0x5F    95. '_' */
+    _ACPI_PU,            /* 0x60    96. '`' */
+    _ACPI_XD|_ACPI_LO,   /* 0x61    97. 'a' */
+    _ACPI_XD|_ACPI_LO,   /* 0x62    98. 'b' */
+    _ACPI_XD|_ACPI_LO,   /* 0x63    99. 'c' */
+    _ACPI_XD|_ACPI_LO,   /* 0x64   100. 'd' */
+    _ACPI_XD|_ACPI_LO,   /* 0x65   101. 'e' */
+    _ACPI_XD|_ACPI_LO,   /* 0x66   102. 'f' */
+    _ACPI_LO,            /* 0x67   103. 'g' */
+    _ACPI_LO,            /* 0x68   104. 'h' */
+    _ACPI_LO,            /* 0x69   105. 'i' */
+    _ACPI_LO,            /* 0x6A   106. 'j' */
+    _ACPI_LO,            /* 0x6B   107. 'k' */
+    _ACPI_LO,            /* 0x6C   108. 'l' */
+    _ACPI_LO,            /* 0x6D   109. 'm' */
+    _ACPI_LO,            /* 0x6E   110. 'n' */
+    _ACPI_LO,            /* 0x6F   111. 'o' */
+    _ACPI_LO,            /* 0x70   112. 'p' */
+    _ACPI_LO,            /* 0x71   113. 'q' */
+    _ACPI_LO,            /* 0x72   114. 'r' */
+    _ACPI_LO,            /* 0x73   115. 's' */
+    _ACPI_LO,            /* 0x74   116. 't' */
+    _ACPI_LO,            /* 0x75   117. 'u' */
+    _ACPI_LO,            /* 0x76   118. 'v' */
+    _ACPI_LO,            /* 0x77   119. 'w' */
+    _ACPI_LO,            /* 0x78   120. 'x' */
+    _ACPI_LO,            /* 0x79   121. 'y' */
+    _ACPI_LO,            /* 0x7A   122. 'z' */
+    _ACPI_PU,            /* 0x7B   123. '{' */
+    _ACPI_PU,            /* 0x7C   124. '|' */
+    _ACPI_PU,            /* 0x7D   125. '}' */
+    _ACPI_PU,            /* 0x7E   126. '~' */
+    _ACPI_CN,            /* 0x7F   127.     */
+
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0x80 to 0x8F    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0x90 to 0x9F    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0xA0 to 0xAF    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0xB0 to 0xBF    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0xC0 to 0xCF    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0xD0 to 0xDF    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  /* 0xE0 to 0xEF    */
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 /* 0xF0 to 0x100   */
+};
+
+
+#endif /* ACPI_USE_SYSTEM_CLIBRARY */
+
diff --git a/source/components/utilities/utcopy.c b/source/components/utilities/utcopy.c
new file mode 100644
index 000000000000..ab04a7a7aac8
--- /dev/null
+++ b/source/components/utilities/utcopy.c
@@ -0,0 +1,1078 @@
+/******************************************************************************
+ *
+ * Module Name: utcopy - Internal to external object translation utilities
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTCOPY_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utcopy")
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiUtCopyIsimpleToEsimple (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    ACPI_OBJECT             *ExternalObject,
+    UINT8                   *DataSpace,
+    ACPI_SIZE               *BufferSpaceUsed);
+
+static ACPI_STATUS
+AcpiUtCopyIelementToIelement (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context);
+
+static ACPI_STATUS
+AcpiUtCopyIpackageToEpackage (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    UINT8                   *Buffer,
+    ACPI_SIZE               *SpaceUsed);
+
+static ACPI_STATUS
+AcpiUtCopyEsimpleToIsimple(
+    ACPI_OBJECT             *UserObj,
+    ACPI_OPERAND_OBJECT     **ReturnObj);
+
+static ACPI_STATUS
+AcpiUtCopyEpackageToIpackage (
+    ACPI_OBJECT             *ExternalObject,
+    ACPI_OPERAND_OBJECT     **InternalObject);
+
+static ACPI_STATUS
+AcpiUtCopySimpleObject (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *DestDesc);
+
+static ACPI_STATUS
+AcpiUtCopyIelementToEelement (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context);
+
+static ACPI_STATUS
+AcpiUtCopyIpackageToIpackage (
+    ACPI_OPERAND_OBJECT     *SourceObj,
+    ACPI_OPERAND_OBJECT     *DestObj,
+    ACPI_WALK_STATE         *WalkState);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIsimpleToEsimple
+ *
+ * PARAMETERS:  InternalObject      - Source object to be copied
+ *              ExternalObject      - Where to return the copied object
+ *              DataSpace           - Where object data is returned (such as
+ *                                    buffer and string data)
+ *              BufferSpaceUsed     - Length of DataSpace that was used
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to copy a simple internal object to
+ *              an external object.
+ *
+ *              The DataSpace buffer is assumed to have sufficient space for
+ *              the object.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCopyIsimpleToEsimple (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    ACPI_OBJECT             *ExternalObject,
+    UINT8                   *DataSpace,
+    ACPI_SIZE               *BufferSpaceUsed)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE (UtCopyIsimpleToEsimple);
+
+
+    *BufferSpaceUsed = 0;
+
+    /*
+     * Check for NULL object case (could be an uninitialized
+     * package element)
+     */
+    if (!InternalObject)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Always clear the external object */
+
+    ACPI_MEMSET (ExternalObject, 0, sizeof (ACPI_OBJECT));
+
+    /*
+     * In general, the external object will be the same type as
+     * the internal object
+     */
+    ExternalObject->Type = InternalObject->Common.Type;
+
+    /* However, only a limited number of external types are supported */
+
+    switch (InternalObject->Common.Type)
+    {
+    case ACPI_TYPE_STRING:
+
+        ExternalObject->String.Pointer = (char *) DataSpace;
+        ExternalObject->String.Length  = InternalObject->String.Length;
+        *BufferSpaceUsed = ACPI_ROUND_UP_TO_NATIVE_WORD (
+                            (ACPI_SIZE) InternalObject->String.Length + 1);
+
+        ACPI_MEMCPY ((void *) DataSpace,
+            (void *) InternalObject->String.Pointer,
+            (ACPI_SIZE) InternalObject->String.Length + 1);
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        ExternalObject->Buffer.Pointer = DataSpace;
+        ExternalObject->Buffer.Length  = InternalObject->Buffer.Length;
+        *BufferSpaceUsed = ACPI_ROUND_UP_TO_NATIVE_WORD (
+                            InternalObject->String.Length);
+
+        ACPI_MEMCPY ((void *) DataSpace,
+            (void *) InternalObject->Buffer.Pointer,
+            InternalObject->Buffer.Length);
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+
+        ExternalObject->Integer.Value = InternalObject->Integer.Value;
+        break;
+
+
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        /* This is an object reference. */
+
+        switch (InternalObject->Reference.Class)
+        {
+        case ACPI_REFCLASS_NAME:
+
+            /*
+             * For namepath, return the object handle ("reference")
+             * We are referring to the namespace node
+             */
+            ExternalObject->Reference.Handle =
+                InternalObject->Reference.Node;
+            ExternalObject->Reference.ActualType =
+                AcpiNsGetType (InternalObject->Reference.Node);
+            break;
+
+        default:
+
+            /* All other reference types are unsupported */
+
+            return_ACPI_STATUS (AE_TYPE);
+        }
+        break;
+
+
+    case ACPI_TYPE_PROCESSOR:
+
+        ExternalObject->Processor.ProcId =
+            InternalObject->Processor.ProcId;
+        ExternalObject->Processor.PblkAddress =
+            InternalObject->Processor.Address;
+        ExternalObject->Processor.PblkLength =
+            InternalObject->Processor.Length;
+        break;
+
+
+    case ACPI_TYPE_POWER:
+
+        ExternalObject->PowerResource.SystemLevel =
+            InternalObject->PowerResource.SystemLevel;
+
+        ExternalObject->PowerResource.ResourceOrder =
+            InternalObject->PowerResource.ResourceOrder;
+        break;
+
+
+    default:
+        /*
+         * There is no corresponding external object type
+         */
+        ACPI_ERROR ((AE_INFO,
+            "Unsupported object type, cannot convert to external object: %s",
+            AcpiUtGetTypeName (InternalObject->Common.Type)));
+
+        return_ACPI_STATUS (AE_SUPPORT);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIelementToEelement
+ *
+ * PARAMETERS:  ACPI_PKG_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Copy one package element to another package element
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCopyIelementToEelement (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_PKG_INFO           *Info = (ACPI_PKG_INFO *) Context;
+    ACPI_SIZE               ObjectSpace;
+    UINT32                  ThisIndex;
+    ACPI_OBJECT             *TargetObject;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    ThisIndex    = State->Pkg.Index;
+    TargetObject = (ACPI_OBJECT *)
+        &((ACPI_OBJECT *)(State->Pkg.DestObject))->Package.Elements[ThisIndex];
+
+    switch (ObjectType)
+    {
+    case ACPI_COPY_TYPE_SIMPLE:
+
+        /*
+         * This is a simple or null object
+         */
+        Status = AcpiUtCopyIsimpleToEsimple (SourceObject,
+                        TargetObject, Info->FreeSpace, &ObjectSpace);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+        break;
+
+
+    case ACPI_COPY_TYPE_PACKAGE:
+
+        /*
+         * Build the package object
+         */
+        TargetObject->Type              = ACPI_TYPE_PACKAGE;
+        TargetObject->Package.Count     = SourceObject->Package.Count;
+        TargetObject->Package.Elements  =
+            ACPI_CAST_PTR (ACPI_OBJECT, Info->FreeSpace);
+
+        /*
+         * Pass the new package object back to the package walk routine
+         */
+        State->Pkg.ThisTargetObj = TargetObject;
+
+        /*
+         * Save space for the array of objects (Package elements)
+         * update the buffer length counter
+         */
+        ObjectSpace = ACPI_ROUND_UP_TO_NATIVE_WORD (
+                            (ACPI_SIZE) TargetObject->Package.Count *
+                            sizeof (ACPI_OBJECT));
+        break;
+
+
+    default:
+        return (AE_BAD_PARAMETER);
+    }
+
+    Info->FreeSpace   += ObjectSpace;
+    Info->Length      += ObjectSpace;
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIpackageToEpackage
+ *
+ * PARAMETERS:  InternalObject      - Pointer to the object we are returning
+ *              Buffer              - Where the object is returned
+ *              SpaceUsed           - Where the object length is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to place a package object in a user
+ *              buffer. A package object by definition contains other objects.
+ *
+ *              The buffer is assumed to have sufficient space for the object.
+ *              The caller must have verified the buffer length needed using
+ *              the AcpiUtGetObjectSize function before calling this function.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCopyIpackageToEpackage (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    UINT8                   *Buffer,
+    ACPI_SIZE               *SpaceUsed)
+{
+    ACPI_OBJECT             *ExternalObject;
+    ACPI_STATUS             Status;
+    ACPI_PKG_INFO           Info;
+
+
+    ACPI_FUNCTION_TRACE (UtCopyIpackageToEpackage);
+
+
+    /*
+     * First package at head of the buffer
+     */
+    ExternalObject = ACPI_CAST_PTR (ACPI_OBJECT, Buffer);
+
+    /*
+     * Free space begins right after the first package
+     */
+    Info.Length      = ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
+    Info.FreeSpace   = Buffer + ACPI_ROUND_UP_TO_NATIVE_WORD (
+                                    sizeof (ACPI_OBJECT));
+    Info.ObjectSpace = 0;
+    Info.NumPackages = 1;
+
+    ExternalObject->Type             = InternalObject->Common.Type;
+    ExternalObject->Package.Count    = InternalObject->Package.Count;
+    ExternalObject->Package.Elements = ACPI_CAST_PTR (ACPI_OBJECT,
+                                            Info.FreeSpace);
+
+    /*
+     * Leave room for an array of ACPI_OBJECTS in the buffer
+     * and move the free space past it
+     */
+    Info.Length    += (ACPI_SIZE) ExternalObject->Package.Count *
+                            ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
+    Info.FreeSpace += ExternalObject->Package.Count *
+                            ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
+
+    Status = AcpiUtWalkPackageTree (InternalObject, ExternalObject,
+                AcpiUtCopyIelementToEelement, &Info);
+
+    *SpaceUsed = Info.Length;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIobjectToEobject
+ *
+ * PARAMETERS:  InternalObject      - The internal object to be converted
+ *              RetBuffer           - Where the object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to build an API object to be returned
+ *              to the caller.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCopyIobjectToEobject (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    ACPI_BUFFER             *RetBuffer)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtCopyIobjectToEobject);
+
+
+    if (InternalObject->Common.Type == ACPI_TYPE_PACKAGE)
+    {
+        /*
+         * Package object:  Copy all subobjects (including
+         * nested packages)
+         */
+        Status = AcpiUtCopyIpackageToEpackage (InternalObject,
+                        RetBuffer->Pointer, &RetBuffer->Length);
+    }
+    else
+    {
+        /*
+         * Build a simple object (no nested objects)
+         */
+        Status = AcpiUtCopyIsimpleToEsimple (InternalObject,
+                    ACPI_CAST_PTR (ACPI_OBJECT, RetBuffer->Pointer),
+                    ACPI_ADD_PTR (UINT8, RetBuffer->Pointer,
+                        ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT))),
+                    &RetBuffer->Length);
+        /*
+         * build simple does not include the object size in the length
+         * so we add it in here
+         */
+        RetBuffer->Length += sizeof (ACPI_OBJECT);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyEsimpleToIsimple
+ *
+ * PARAMETERS:  ExternalObject      - The external object to be converted
+ *              RetInternalObject   - Where the internal object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function copies an external object to an internal one.
+ *              NOTE: Pointers can be copied, we don't need to copy data.
+ *              (The pointers have to be valid in our address space no matter
+ *              what we do with them!)
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCopyEsimpleToIsimple (
+    ACPI_OBJECT             *ExternalObject,
+    ACPI_OPERAND_OBJECT     **RetInternalObject)
+{
+    ACPI_OPERAND_OBJECT     *InternalObject;
+
+
+    ACPI_FUNCTION_TRACE (UtCopyEsimpleToIsimple);
+
+
+    /*
+     * Simple types supported are: String, Buffer, Integer
+     */
+    switch (ExternalObject->Type)
+    {
+    case ACPI_TYPE_STRING:
+    case ACPI_TYPE_BUFFER:
+    case ACPI_TYPE_INTEGER:
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        InternalObject = AcpiUtCreateInternalObject (
+                            (UINT8) ExternalObject->Type);
+        if (!InternalObject)
+        {
+            return_ACPI_STATUS (AE_NO_MEMORY);
+        }
+        break;
+
+    case ACPI_TYPE_ANY: /* This is the case for a NULL object */
+
+        *RetInternalObject = NULL;
+        return_ACPI_STATUS (AE_OK);
+
+    default:
+        /* All other types are not supported */
+
+        ACPI_ERROR ((AE_INFO,
+            "Unsupported object type, cannot convert to internal object: %s",
+            AcpiUtGetTypeName (ExternalObject->Type)));
+
+        return_ACPI_STATUS (AE_SUPPORT);
+    }
+
+
+    /* Must COPY string and buffer contents */
+
+    switch (ExternalObject->Type)
+    {
+    case ACPI_TYPE_STRING:
+
+        InternalObject->String.Pointer =
+            ACPI_ALLOCATE_ZEROED ((ACPI_SIZE)
+                ExternalObject->String.Length + 1);
+
+        if (!InternalObject->String.Pointer)
+        {
+            goto ErrorExit;
+        }
+
+        ACPI_MEMCPY (InternalObject->String.Pointer,
+                     ExternalObject->String.Pointer,
+                     ExternalObject->String.Length);
+
+        InternalObject->String.Length  = ExternalObject->String.Length;
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        InternalObject->Buffer.Pointer =
+            ACPI_ALLOCATE_ZEROED (ExternalObject->Buffer.Length);
+        if (!InternalObject->Buffer.Pointer)
+        {
+            goto ErrorExit;
+        }
+
+        ACPI_MEMCPY (InternalObject->Buffer.Pointer,
+                     ExternalObject->Buffer.Pointer,
+                     ExternalObject->Buffer.Length);
+
+        InternalObject->Buffer.Length  = ExternalObject->Buffer.Length;
+
+        /* Mark buffer data valid */
+
+        InternalObject->Buffer.Flags |= AOPOBJ_DATA_VALID;
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+
+        InternalObject->Integer.Value   = ExternalObject->Integer.Value;
+        break;
+
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        /* TBD: should validate incoming handle */
+
+        InternalObject->Reference.Class = ACPI_REFCLASS_NAME;
+        InternalObject->Reference.Node = ExternalObject->Reference.Handle;
+        break;
+
+    default:
+        /* Other types can't get here */
+        break;
+    }
+
+    *RetInternalObject = InternalObject;
+    return_ACPI_STATUS (AE_OK);
+
+
+ErrorExit:
+    AcpiUtRemoveReference (InternalObject);
+    return_ACPI_STATUS (AE_NO_MEMORY);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyEpackageToIpackage
+ *
+ * PARAMETERS:  ExternalObject      - The external object to be converted
+ *              InternalObject      - Where the internal object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Copy an external package object to an internal package.
+ *              Handles nested packages.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCopyEpackageToIpackage (
+    ACPI_OBJECT             *ExternalObject,
+    ACPI_OPERAND_OBJECT     **InternalObject)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_OPERAND_OBJECT     *PackageObject;
+    ACPI_OPERAND_OBJECT     **PackageElements;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE (UtCopyEpackageToIpackage);
+
+
+    /* Create the package object */
+
+    PackageObject = AcpiUtCreatePackageObject (ExternalObject->Package.Count);
+    if (!PackageObject)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    PackageElements = PackageObject->Package.Elements;
+
+    /*
+     * Recursive implementation. Probably ok, since nested external packages
+     * as parameters should be very rare.
+     */
+    for (i = 0; i < ExternalObject->Package.Count; i++)
+    {
+        Status = AcpiUtCopyEobjectToIobject (
+                    &ExternalObject->Package.Elements[i],
+                    &PackageElements[i]);
+        if (ACPI_FAILURE (Status))
+        {
+            /* Truncate package and delete it */
+
+            PackageObject->Package.Count = i;
+            PackageElements[i] = NULL;
+            AcpiUtRemoveReference (PackageObject);
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /* Mark package data valid */
+
+    PackageObject->Package.Flags |= AOPOBJ_DATA_VALID;
+
+    *InternalObject = PackageObject;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyEobjectToIobject
+ *
+ * PARAMETERS:  ExternalObject      - The external object to be converted
+ *              InternalObject      - Where the internal object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Converts an external object to an internal object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCopyEobjectToIobject (
+    ACPI_OBJECT             *ExternalObject,
+    ACPI_OPERAND_OBJECT     **InternalObject)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtCopyEobjectToIobject);
+
+
+    if (ExternalObject->Type == ACPI_TYPE_PACKAGE)
+    {
+        Status = AcpiUtCopyEpackageToIpackage (ExternalObject, InternalObject);
+    }
+    else
+    {
+        /*
+         * Build a simple object (no nested objects)
+         */
+        Status = AcpiUtCopyEsimpleToIsimple (ExternalObject, InternalObject);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopySimpleObject
+ *
+ * PARAMETERS:  SourceDesc          - The internal object to be copied
+ *              DestDesc            - New target object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Simple copy of one internal object to another. Reference count
+ *              of the destination object is preserved.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCopySimpleObject (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     *DestDesc)
+{
+    UINT16                  ReferenceCount;
+    ACPI_OPERAND_OBJECT     *NextObject;
+    ACPI_STATUS             Status;
+    ACPI_SIZE               CopySize;
+
+
+    /* Save fields from destination that we don't want to overwrite */
+
+    ReferenceCount = DestDesc->Common.ReferenceCount;
+    NextObject = DestDesc->Common.NextObject;
+
+    /*
+     * Copy the entire source object over the destination object.
+     * Note: Source can be either an operand object or namespace node.
+     */
+    CopySize = sizeof (ACPI_OPERAND_OBJECT);
+    if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc) == ACPI_DESC_TYPE_NAMED)
+    {
+        CopySize = sizeof (ACPI_NAMESPACE_NODE);
+    }
+
+    ACPI_MEMCPY (ACPI_CAST_PTR (char, DestDesc),
+        ACPI_CAST_PTR (char, SourceDesc), CopySize);
+
+    /* Restore the saved fields */
+
+    DestDesc->Common.ReferenceCount = ReferenceCount;
+    DestDesc->Common.NextObject = NextObject;
+
+    /* New object is not static, regardless of source */
+
+    DestDesc->Common.Flags &= ~AOPOBJ_STATIC_POINTER;
+
+    /* Handle the objects with extra data */
+
+    switch (DestDesc->Common.Type)
+    {
+    case ACPI_TYPE_BUFFER:
+        /*
+         * Allocate and copy the actual buffer if and only if:
+         * 1) There is a valid buffer pointer
+         * 2) The buffer has a length > 0
+         */
+        if ((SourceDesc->Buffer.Pointer) &&
+            (SourceDesc->Buffer.Length))
+        {
+            DestDesc->Buffer.Pointer =
+                ACPI_ALLOCATE (SourceDesc->Buffer.Length);
+            if (!DestDesc->Buffer.Pointer)
+            {
+                return (AE_NO_MEMORY);
+            }
+
+            /* Copy the actual buffer data */
+
+            ACPI_MEMCPY (DestDesc->Buffer.Pointer,
+                SourceDesc->Buffer.Pointer, SourceDesc->Buffer.Length);
+        }
+        break;
+
+    case ACPI_TYPE_STRING:
+        /*
+         * Allocate and copy the actual string if and only if:
+         * 1) There is a valid string pointer
+         * (Pointer to a NULL string is allowed)
+         */
+        if (SourceDesc->String.Pointer)
+        {
+            DestDesc->String.Pointer =
+                ACPI_ALLOCATE ((ACPI_SIZE) SourceDesc->String.Length + 1);
+            if (!DestDesc->String.Pointer)
+            {
+                return (AE_NO_MEMORY);
+            }
+
+            /* Copy the actual string data */
+
+            ACPI_MEMCPY (DestDesc->String.Pointer, SourceDesc->String.Pointer,
+                (ACPI_SIZE) SourceDesc->String.Length + 1);
+        }
+        break;
+
+    case ACPI_TYPE_LOCAL_REFERENCE:
+        /*
+         * We copied the reference object, so we now must add a reference
+         * to the object pointed to by the reference
+         *
+         * DDBHandle reference (from Load/LoadTable) is a special reference,
+         * it does not have a Reference.Object, so does not need to
+         * increase the reference count
+         */
+        if (SourceDesc->Reference.Class == ACPI_REFCLASS_TABLE)
+        {
+            break;
+        }
+
+        AcpiUtAddReference (SourceDesc->Reference.Object);
+        break;
+
+    case ACPI_TYPE_REGION:
+        /*
+         * We copied the Region Handler, so we now must add a reference
+         */
+        if (DestDesc->Region.Handler)
+        {
+            AcpiUtAddReference (DestDesc->Region.Handler);
+        }
+        break;
+
+    /*
+     * For Mutex and Event objects, we cannot simply copy the underlying
+     * OS object. We must create a new one.
+     */
+    case ACPI_TYPE_MUTEX:
+
+        Status = AcpiOsCreateMutex (&DestDesc->Mutex.OsMutex);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+        break;
+
+    case ACPI_TYPE_EVENT:
+
+        Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT, 0,
+                    &DestDesc->Event.OsSemaphore);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+        break;
+
+    default:
+        /* Nothing to do for other simple objects */
+        break;
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIelementToIelement
+ *
+ * PARAMETERS:  ACPI_PKG_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Copy one package element to another package element
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCopyIelementToIelement (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context)
+{
+    ACPI_STATUS             Status = AE_OK;
+    UINT32                  ThisIndex;
+    ACPI_OPERAND_OBJECT     **ThisTargetPtr;
+    ACPI_OPERAND_OBJECT     *TargetObject;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    ThisIndex     = State->Pkg.Index;
+    ThisTargetPtr = (ACPI_OPERAND_OBJECT **)
+                        &State->Pkg.DestObject->Package.Elements[ThisIndex];
+
+    switch (ObjectType)
+    {
+    case ACPI_COPY_TYPE_SIMPLE:
+
+        /* A null source object indicates a (legal) null package element */
+
+        if (SourceObject)
+        {
+            /*
+             * This is a simple object, just copy it
+             */
+            TargetObject = AcpiUtCreateInternalObject (
+                                SourceObject->Common.Type);
+            if (!TargetObject)
+            {
+                return (AE_NO_MEMORY);
+            }
+
+            Status = AcpiUtCopySimpleObject (SourceObject, TargetObject);
+            if (ACPI_FAILURE (Status))
+            {
+                goto ErrorExit;
+            }
+
+            *ThisTargetPtr = TargetObject;
+        }
+        else
+        {
+            /* Pass through a null element */
+
+            *ThisTargetPtr = NULL;
+        }
+        break;
+
+
+    case ACPI_COPY_TYPE_PACKAGE:
+
+        /*
+         * This object is a package - go down another nesting level
+         * Create and build the package object
+         */
+        TargetObject = AcpiUtCreatePackageObject (SourceObject->Package.Count);
+        if (!TargetObject)
+        {
+            return (AE_NO_MEMORY);
+        }
+
+        TargetObject->Common.Flags = SourceObject->Common.Flags;
+
+        /* Pass the new package object back to the package walk routine */
+
+        State->Pkg.ThisTargetObj = TargetObject;
+
+        /* Store the object pointer in the parent package object */
+
+        *ThisTargetPtr = TargetObject;
+        break;
+
+
+    default:
+        return (AE_BAD_PARAMETER);
+    }
+
+    return (Status);
+
+ErrorExit:
+    AcpiUtRemoveReference (TargetObject);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIpackageToIpackage
+ *
+ * PARAMETERS:  SourceObj       - Pointer to the source package object
+ *              DestObj         - Where the internal object is returned
+ *              WalkState       - Current Walk state descriptor
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to copy an internal package object
+ *              into another internal package object.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCopyIpackageToIpackage (
+    ACPI_OPERAND_OBJECT     *SourceObj,
+    ACPI_OPERAND_OBJECT     *DestObj,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE (UtCopyIpackageToIpackage);
+
+
+    DestObj->Common.Type    = SourceObj->Common.Type;
+    DestObj->Common.Flags   = SourceObj->Common.Flags;
+    DestObj->Package.Count  = SourceObj->Package.Count;
+
+    /*
+     * Create the object array and walk the source package tree
+     */
+    DestObj->Package.Elements = ACPI_ALLOCATE_ZEROED (
+                                    ((ACPI_SIZE) SourceObj->Package.Count + 1) *
+                                    sizeof (void *));
+    if (!DestObj->Package.Elements)
+    {
+        ACPI_ERROR ((AE_INFO, "Package allocation failure"));
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /*
+     * Copy the package element-by-element by walking the package "tree".
+     * This handles nested packages of arbitrary depth.
+     */
+    Status = AcpiUtWalkPackageTree (SourceObj, DestObj,
+                AcpiUtCopyIelementToIelement, WalkState);
+    if (ACPI_FAILURE (Status))
+    {
+        /* On failure, delete the destination package object */
+
+        AcpiUtRemoveReference (DestObj);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCopyIobjectToIobject
+ *
+ * PARAMETERS:  SourceDesc          - The internal object to be copied
+ *              DestDesc            - Where the copied object is returned
+ *              WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Copy an internal object to a new internal object
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCopyIobjectToIobject (
+    ACPI_OPERAND_OBJECT     *SourceDesc,
+    ACPI_OPERAND_OBJECT     **DestDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE (UtCopyIobjectToIobject);
+
+
+    /* Create the top level object */
+
+    *DestDesc = AcpiUtCreateInternalObject (SourceDesc->Common.Type);
+    if (!*DestDesc)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Copy the object and possible subobjects */
+
+    if (SourceDesc->Common.Type == ACPI_TYPE_PACKAGE)
+    {
+        Status = AcpiUtCopyIpackageToIpackage (SourceDesc, *DestDesc,
+                        WalkState);
+    }
+    else
+    {
+        Status = AcpiUtCopySimpleObject (SourceDesc, *DestDesc);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/source/components/utilities/utdebug.c b/source/components/utilities/utdebug.c
new file mode 100644
index 000000000000..051d47b4430a
--- /dev/null
+++ b/source/components/utilities/utdebug.c
@@ -0,0 +1,741 @@
+/******************************************************************************
+ *
+ * Module Name: utdebug - Debug print routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTDEBUG_C__
+
+#include "acpi.h"
+#include "accommon.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utdebug")
+
+
+#ifdef ACPI_DEBUG_OUTPUT
+
+static ACPI_THREAD_ID       AcpiGbl_PrevThreadId = (ACPI_THREAD_ID) 0xFFFFFFFF;
+static char                 *AcpiGbl_FnEntryStr = "----Entry";
+static char                 *AcpiGbl_FnExitStr  = "----Exit-";
+
+/* Local prototypes */
+
+static const char *
+AcpiUtTrimFunctionName (
+    const char              *FunctionName);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtInitStackPtrTrace
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Save the current CPU stack pointer at subsystem startup
+ *
+ ******************************************************************************/
+
+void
+AcpiUtInitStackPtrTrace (
+    void)
+{
+    ACPI_SIZE               CurrentSp;
+
+
+    AcpiGbl_EntryStackPointer = &CurrentSp;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtTrackStackPtr
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Save the current CPU stack pointer
+ *
+ ******************************************************************************/
+
+void
+AcpiUtTrackStackPtr (
+    void)
+{
+    ACPI_SIZE               CurrentSp;
+
+
+    if (&CurrentSp < AcpiGbl_LowestStackPointer)
+    {
+        AcpiGbl_LowestStackPointer = &CurrentSp;
+    }
+
+    if (AcpiGbl_NestingLevel > AcpiGbl_DeepestNesting)
+    {
+        AcpiGbl_DeepestNesting = AcpiGbl_NestingLevel;
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtTrimFunctionName
+ *
+ * PARAMETERS:  FunctionName        - Ascii string containing a procedure name
+ *
+ * RETURN:      Updated pointer to the function name
+ *
+ * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
+ *              This allows compiler macros such as __FUNCTION__ to be used
+ *              with no change to the debug output.
+ *
+ ******************************************************************************/
+
+static const char *
+AcpiUtTrimFunctionName (
+    const char              *FunctionName)
+{
+
+    /* All Function names are longer than 4 chars, check is safe */
+
+    if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_MIXED)
+    {
+        /* This is the case where the original source has not been modified */
+
+        return (FunctionName + 4);
+    }
+
+    if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_LOWER)
+    {
+        /* This is the case where the source has been 'linuxized' */
+
+        return (FunctionName + 5);
+    }
+
+    return (FunctionName);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDebugPrint
+ *
+ * PARAMETERS:  RequestedDebugLevel - Requested debug print level
+ *              LineNumber          - Caller's line number (for error output)
+ *              FunctionName        - Caller's procedure name
+ *              ModuleName          - Caller's module name
+ *              ComponentId         - Caller's component ID
+ *              Format              - Printf format field
+ *              ...                 - Optional printf arguments
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print error message with prefix consisting of the module name,
+ *              line number, and component ID.
+ *
+ ******************************************************************************/
+
+void  ACPI_INTERNAL_VAR_XFACE
+AcpiDebugPrint (
+    UINT32                  RequestedDebugLevel,
+    UINT32                  LineNumber,
+    const char              *FunctionName,
+    const char              *ModuleName,
+    UINT32                  ComponentId,
+    const char              *Format,
+    ...)
+{
+    ACPI_THREAD_ID          ThreadId;
+    va_list                 args;
+
+
+    /*
+     * Stay silent if the debug level or component ID is disabled
+     */
+    if (!(RequestedDebugLevel & AcpiDbgLevel) ||
+        !(ComponentId & AcpiDbgLayer))
+    {
+        return;
+    }
+
+    /*
+     * Thread tracking and context switch notification
+     */
+    ThreadId = AcpiOsGetThreadId ();
+    if (ThreadId != AcpiGbl_PrevThreadId)
+    {
+        if (ACPI_LV_THREADS & AcpiDbgLevel)
+        {
+            AcpiOsPrintf (
+                "\n**** Context Switch from TID %u to TID %u ****\n\n",
+                (UINT32) AcpiGbl_PrevThreadId, (UINT32) ThreadId);
+        }
+
+        AcpiGbl_PrevThreadId = ThreadId;
+    }
+
+    /*
+     * Display the module name, current line number, thread ID (if requested),
+     * current procedure nesting level, and the current procedure name
+     */
+    AcpiOsPrintf ("%8s-%04ld ", ModuleName, LineNumber);
+
+    if (ACPI_LV_THREADS & AcpiDbgLevel)
+    {
+        AcpiOsPrintf ("[%u] ", (UINT32) ThreadId);
+    }
+
+    AcpiOsPrintf ("[%02ld] %-22.22s: ",
+        AcpiGbl_NestingLevel, AcpiUtTrimFunctionName (FunctionName));
+
+    va_start (args, Format);
+    AcpiOsVprintf (Format, args);
+    va_end (args);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiDebugPrint)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDebugPrintRaw
+ *
+ * PARAMETERS:  RequestedDebugLevel - Requested debug print level
+ *              LineNumber          - Caller's line number
+ *              FunctionName        - Caller's procedure name
+ *              ModuleName          - Caller's module name
+ *              ComponentId         - Caller's component ID
+ *              Format              - Printf format field
+ *              ...                 - Optional printf arguments
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print message with no headers.  Has same interface as
+ *              DebugPrint so that the same macros can be used.
+ *
+ ******************************************************************************/
+
+void  ACPI_INTERNAL_VAR_XFACE
+AcpiDebugPrintRaw (
+    UINT32                  RequestedDebugLevel,
+    UINT32                  LineNumber,
+    const char              *FunctionName,
+    const char              *ModuleName,
+    UINT32                  ComponentId,
+    const char              *Format,
+    ...)
+{
+    va_list                 args;
+
+
+    if (!(RequestedDebugLevel & AcpiDbgLevel) ||
+        !(ComponentId & AcpiDbgLayer))
+    {
+        return;
+    }
+
+    va_start (args, Format);
+    AcpiOsVprintf (Format, args);
+    va_end (args);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiDebugPrintRaw)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtTrace
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              FunctionName        - Caller's procedure name
+ *              ModuleName          - Caller's module name
+ *              ComponentId         - Caller's component ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel
+ *
+ ******************************************************************************/
+
+void
+AcpiUtTrace (
+    UINT32                  LineNumber,
+    const char              *FunctionName,
+    const char              *ModuleName,
+    UINT32                  ComponentId)
+{
+
+    AcpiGbl_NestingLevel++;
+    AcpiUtTrackStackPtr ();
+
+    AcpiDebugPrint (ACPI_LV_FUNCTIONS,
+        LineNumber, FunctionName, ModuleName, ComponentId,
+        "%s\n", AcpiGbl_FnEntryStr);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiUtTrace)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtTracePtr
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              FunctionName        - Caller's procedure name
+ *              ModuleName          - Caller's module name
+ *              ComponentId         - Caller's component ID
+ *              Pointer             - Pointer to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel
+ *
+ ******************************************************************************/
+
+void
+AcpiUtTracePtr (
+    UINT32                  LineNumber,
+    const char              *FunctionName,
+    const char              *ModuleName,
+    UINT32                  ComponentId,
+    void                    *Pointer)
+{
+    AcpiGbl_NestingLevel++;
+    AcpiUtTrackStackPtr ();
+
+    AcpiDebugPrint (ACPI_LV_FUNCTIONS,
+        LineNumber, FunctionName, ModuleName, ComponentId,
+        "%s %p\n", AcpiGbl_FnEntryStr, Pointer);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtTraceStr
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              FunctionName        - Caller's procedure name
+ *              ModuleName          - Caller's module name
+ *              ComponentId         - Caller's component ID
+ *              String              - Additional string to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel
+ *
+ ******************************************************************************/
+
+void
+AcpiUtTraceStr (
+    UINT32                  LineNumber,
+    const char              *FunctionName,
+    const char              *ModuleName,
+    UINT32                  ComponentId,
+    char                    *String)
+{
+
+    AcpiGbl_NestingLevel++;
+    AcpiUtTrackStackPtr ();
+
+    AcpiDebugPrint (ACPI_LV_FUNCTIONS,
+        LineNumber, FunctionName, ModuleName, ComponentId,
+        "%s %s\n", AcpiGbl_FnEntryStr, String);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtTraceU32
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              FunctionName        - Caller's procedure name
+ *              ModuleName          - Caller's module name
+ *              ComponentId         - Caller's component ID
+ *              Integer             - Integer to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel
+ *
+ ******************************************************************************/
+
+void
+AcpiUtTraceU32 (
+    UINT32                  LineNumber,
+    const char              *FunctionName,
+    const char              *ModuleName,
+    UINT32                  ComponentId,
+    UINT32                  Integer)
+{
+
+    AcpiGbl_NestingLevel++;
+    AcpiUtTrackStackPtr ();
+
+    AcpiDebugPrint (ACPI_LV_FUNCTIONS,
+        LineNumber, FunctionName, ModuleName, ComponentId,
+        "%s %08X\n", AcpiGbl_FnEntryStr, Integer);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExit
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              FunctionName        - Caller's procedure name
+ *              ModuleName          - Caller's module name
+ *              ComponentId         - Caller's component ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel
+ *
+ ******************************************************************************/
+
+void
+AcpiUtExit (
+    UINT32                  LineNumber,
+    const char              *FunctionName,
+    const char              *ModuleName,
+    UINT32                  ComponentId)
+{
+
+    AcpiDebugPrint (ACPI_LV_FUNCTIONS,
+        LineNumber, FunctionName, ModuleName, ComponentId,
+        "%s\n", AcpiGbl_FnExitStr);
+
+    AcpiGbl_NestingLevel--;
+}
+
+ACPI_EXPORT_SYMBOL (AcpiUtExit)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStatusExit
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              FunctionName        - Caller's procedure name
+ *              ModuleName          - Caller's module name
+ *              ComponentId         - Caller's component ID
+ *              Status              - Exit status code
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel.  Prints exit status also.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtStatusExit (
+    UINT32                  LineNumber,
+    const char              *FunctionName,
+    const char              *ModuleName,
+    UINT32                  ComponentId,
+    ACPI_STATUS             Status)
+{
+
+    if (ACPI_SUCCESS (Status))
+    {
+        AcpiDebugPrint (ACPI_LV_FUNCTIONS,
+            LineNumber, FunctionName, ModuleName, ComponentId,
+            "%s %s\n", AcpiGbl_FnExitStr,
+            AcpiFormatException (Status));
+    }
+    else
+    {
+        AcpiDebugPrint (ACPI_LV_FUNCTIONS,
+            LineNumber, FunctionName, ModuleName, ComponentId,
+            "%s ****Exception****: %s\n", AcpiGbl_FnExitStr,
+            AcpiFormatException (Status));
+    }
+
+    AcpiGbl_NestingLevel--;
+}
+
+ACPI_EXPORT_SYMBOL (AcpiUtStatusExit)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValueExit
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              FunctionName        - Caller's procedure name
+ *              ModuleName          - Caller's module name
+ *              ComponentId         - Caller's component ID
+ *              Value               - Value to be printed with exit msg
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel.  Prints exit value also.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtValueExit (
+    UINT32                  LineNumber,
+    const char              *FunctionName,
+    const char              *ModuleName,
+    UINT32                  ComponentId,
+    UINT64                  Value)
+{
+
+    AcpiDebugPrint (ACPI_LV_FUNCTIONS,
+        LineNumber, FunctionName, ModuleName, ComponentId,
+        "%s %8.8X%8.8X\n", AcpiGbl_FnExitStr,
+        ACPI_FORMAT_UINT64 (Value));
+
+    AcpiGbl_NestingLevel--;
+}
+
+ACPI_EXPORT_SYMBOL (AcpiUtValueExit)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtPtrExit
+ *
+ * PARAMETERS:  LineNumber          - Caller's line number
+ *              FunctionName        - Caller's procedure name
+ *              ModuleName          - Caller's module name
+ *              ComponentId         - Caller's component ID
+ *              Ptr                 - Pointer to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in DebugLevel.  Prints exit value also.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtPtrExit (
+    UINT32                  LineNumber,
+    const char              *FunctionName,
+    const char              *ModuleName,
+    UINT32                  ComponentId,
+    UINT8                   *Ptr)
+{
+
+    AcpiDebugPrint (ACPI_LV_FUNCTIONS,
+        LineNumber, FunctionName, ModuleName, ComponentId,
+        "%s %p\n", AcpiGbl_FnExitStr, Ptr);
+
+    AcpiGbl_NestingLevel--;
+}
+
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDumpBuffer
+ *
+ * PARAMETERS:  Buffer              - Buffer to dump
+ *              Count               - Amount to dump, in bytes
+ *              Display             - BYTE, WORD, DWORD, or QWORD display
+ *              ComponentID         - Caller's component ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Generic dump buffer in both hex and ascii.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDumpBuffer2 (
+    UINT8                   *Buffer,
+    UINT32                  Count,
+    UINT32                  Display)
+{
+    UINT32                  i = 0;
+    UINT32                  j;
+    UINT32                  Temp32;
+    UINT8                   BufChar;
+
+
+    if (!Buffer)
+    {
+        AcpiOsPrintf ("Null Buffer Pointer in DumpBuffer!\n");
+        return;
+    }
+
+    if ((Count < 4) || (Count & 0x01))
+    {
+        Display = DB_BYTE_DISPLAY;
+    }
+
+    /* Nasty little dump buffer routine! */
+
+    while (i < Count)
+    {
+        /* Print current offset */
+
+        AcpiOsPrintf ("%6.4X: ", i);
+
+        /* Print 16 hex chars */
+
+        for (j = 0; j < 16;)
+        {
+            if (i + j >= Count)
+            {
+                /* Dump fill spaces */
+
+                AcpiOsPrintf ("%*s", ((Display * 2) + 1), " ");
+                j += Display;
+                continue;
+            }
+
+            switch (Display)
+            {
+            case DB_BYTE_DISPLAY:
+            default:    /* Default is BYTE display */
+
+                AcpiOsPrintf ("%02X ", Buffer[(ACPI_SIZE) i + j]);
+                break;
+
+
+            case DB_WORD_DISPLAY:
+
+                ACPI_MOVE_16_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
+                AcpiOsPrintf ("%04X ", Temp32);
+                break;
+
+
+            case DB_DWORD_DISPLAY:
+
+                ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
+                AcpiOsPrintf ("%08X ", Temp32);
+                break;
+
+
+            case DB_QWORD_DISPLAY:
+
+                ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
+                AcpiOsPrintf ("%08X", Temp32);
+
+                ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j + 4]);
+                AcpiOsPrintf ("%08X ", Temp32);
+                break;
+            }
+
+            j += Display;
+        }
+
+        /*
+         * Print the ASCII equivalent characters but watch out for the bad
+         * unprintable ones (printable chars are 0x20 through 0x7E)
+         */
+        AcpiOsPrintf (" ");
+        for (j = 0; j < 16; j++)
+        {
+            if (i + j >= Count)
+            {
+                AcpiOsPrintf ("\n");
+                return;
+            }
+
+            BufChar = Buffer[(ACPI_SIZE) i + j];
+            if (ACPI_IS_PRINT (BufChar))
+            {
+                AcpiOsPrintf ("%c", BufChar);
+            }
+            else
+            {
+                AcpiOsPrintf (".");
+            }
+        }
+
+        /* Done with that line. */
+
+        AcpiOsPrintf ("\n");
+        i += 16;
+    }
+
+    return;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDumpBuffer
+ *
+ * PARAMETERS:  Buffer              - Buffer to dump
+ *              Count               - Amount to dump, in bytes
+ *              Display             - BYTE, WORD, DWORD, or QWORD display
+ *              ComponentID         - Caller's component ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Generic dump buffer in both hex and ascii.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDumpBuffer (
+    UINT8                   *Buffer,
+    UINT32                  Count,
+    UINT32                  Display,
+    UINT32                  ComponentId)
+{
+
+    /* Only dump the buffer if tracing is enabled */
+
+    if (!((ACPI_LV_TABLES & AcpiDbgLevel) &&
+        (ComponentId & AcpiDbgLayer)))
+    {
+        return;
+    }
+
+    AcpiUtDumpBuffer2 (Buffer, Count, Display);
+}
+
+
diff --git a/source/components/utilities/utdecode.c b/source/components/utilities/utdecode.c
new file mode 100644
index 000000000000..718d73db4e3b
--- /dev/null
+++ b/source/components/utilities/utdecode.c
@@ -0,0 +1,637 @@
+/******************************************************************************
+ *
+ * Module Name: utdecode - Utility decoding routines (value-to-string)
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTDECODE_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utdecode")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiFormatException
+ *
+ * PARAMETERS:  Status       - The ACPI_STATUS code to be formatted
+ *
+ * RETURN:      A string containing the exception text. A valid pointer is
+ *              always returned.
+ *
+ * DESCRIPTION: This function translates an ACPI exception into an ASCII string
+ *              It is here instead of utxface.c so it is always present.
+ *
+ ******************************************************************************/
+
+const char *
+AcpiFormatException (
+    ACPI_STATUS             Status)
+{
+    const char              *Exception = NULL;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    Exception = AcpiUtValidateException (Status);
+    if (!Exception)
+    {
+        /* Exception code was not recognized */
+
+        ACPI_ERROR ((AE_INFO,
+            "Unknown exception code: 0x%8.8X", Status));
+
+        Exception = "UNKNOWN_STATUS_CODE";
+    }
+
+    return (ACPI_CAST_PTR (const char, Exception));
+}
+
+ACPI_EXPORT_SYMBOL (AcpiFormatException)
+
+
+/*
+ * Properties of the ACPI Object Types, both internal and external.
+ * The table is indexed by values of ACPI_OBJECT_TYPE
+ */
+const UINT8                     AcpiGbl_NsProperties[ACPI_NUM_NS_TYPES] =
+{
+    ACPI_NS_NORMAL,                     /* 00 Any              */
+    ACPI_NS_NORMAL,                     /* 01 Number           */
+    ACPI_NS_NORMAL,                     /* 02 String           */
+    ACPI_NS_NORMAL,                     /* 03 Buffer           */
+    ACPI_NS_NORMAL,                     /* 04 Package          */
+    ACPI_NS_NORMAL,                     /* 05 FieldUnit        */
+    ACPI_NS_NEWSCOPE,                   /* 06 Device           */
+    ACPI_NS_NORMAL,                     /* 07 Event            */
+    ACPI_NS_NEWSCOPE,                   /* 08 Method           */
+    ACPI_NS_NORMAL,                     /* 09 Mutex            */
+    ACPI_NS_NORMAL,                     /* 10 Region           */
+    ACPI_NS_NEWSCOPE,                   /* 11 Power            */
+    ACPI_NS_NEWSCOPE,                   /* 12 Processor        */
+    ACPI_NS_NEWSCOPE,                   /* 13 Thermal          */
+    ACPI_NS_NORMAL,                     /* 14 BufferField      */
+    ACPI_NS_NORMAL,                     /* 15 DdbHandle        */
+    ACPI_NS_NORMAL,                     /* 16 Debug Object     */
+    ACPI_NS_NORMAL,                     /* 17 DefField         */
+    ACPI_NS_NORMAL,                     /* 18 BankField        */
+    ACPI_NS_NORMAL,                     /* 19 IndexField       */
+    ACPI_NS_NORMAL,                     /* 20 Reference        */
+    ACPI_NS_NORMAL,                     /* 21 Alias            */
+    ACPI_NS_NORMAL,                     /* 22 MethodAlias      */
+    ACPI_NS_NORMAL,                     /* 23 Notify           */
+    ACPI_NS_NORMAL,                     /* 24 Address Handler  */
+    ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL,   /* 25 Resource Desc    */
+    ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL,   /* 26 Resource Field   */
+    ACPI_NS_NEWSCOPE,                   /* 27 Scope            */
+    ACPI_NS_NORMAL,                     /* 28 Extra            */
+    ACPI_NS_NORMAL,                     /* 29 Data             */
+    ACPI_NS_NORMAL                      /* 30 Invalid          */
+};
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtHexToAsciiChar
+ *
+ * PARAMETERS:  Integer             - Contains the hex digit
+ *              Position            - bit position of the digit within the
+ *                                    integer (multiple of 4)
+ *
+ * RETURN:      The converted Ascii character
+ *
+ * DESCRIPTION: Convert a hex digit to an Ascii character
+ *
+ ******************************************************************************/
+
+/* Hex to ASCII conversion table */
+
+static const char           AcpiGbl_HexToAscii[] =
+{
+    '0','1','2','3','4','5','6','7',
+    '8','9','A','B','C','D','E','F'
+};
+
+char
+AcpiUtHexToAsciiChar (
+    UINT64                  Integer,
+    UINT32                  Position)
+{
+
+    return (AcpiGbl_HexToAscii[(Integer >> Position) & 0xF]);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetRegionName
+ *
+ * PARAMETERS:  Space ID            - ID for the region
+ *
+ * RETURN:      Decoded region SpaceId name
+ *
+ * DESCRIPTION: Translate a Space ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+/* Region type decoding */
+
+const char        *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS] =
+{
+    "SystemMemory",
+    "SystemIO",
+    "PCI_Config",
+    "EmbeddedControl",
+    "SMBus",
+    "SystemCMOS",
+    "PCIBARTarget",
+    "IPMI",
+    "GeneralPurposeIo",
+    "GenericSerialBus"
+};
+
+
+char *
+AcpiUtGetRegionName (
+    UINT8                   SpaceId)
+{
+
+    if (SpaceId >= ACPI_USER_REGION_BEGIN)
+    {
+        return ("UserDefinedRegion");
+    }
+    else if (SpaceId == ACPI_ADR_SPACE_DATA_TABLE)
+    {
+        return ("DataTable");
+    }
+    else if (SpaceId == ACPI_ADR_SPACE_FIXED_HARDWARE)
+    {
+        return ("FunctionalFixedHW");
+    }
+    else if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS)
+    {
+        return ("InvalidSpaceId");
+    }
+
+    return (ACPI_CAST_PTR (char, AcpiGbl_RegionTypes[SpaceId]));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetEventName
+ *
+ * PARAMETERS:  EventId             - Fixed event ID
+ *
+ * RETURN:      Decoded event ID name
+ *
+ * DESCRIPTION: Translate a Event ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+/* Event type decoding */
+
+static const char        *AcpiGbl_EventTypes[ACPI_NUM_FIXED_EVENTS] =
+{
+    "PM_Timer",
+    "GlobalLock",
+    "PowerButton",
+    "SleepButton",
+    "RealTimeClock",
+};
+
+
+char *
+AcpiUtGetEventName (
+    UINT32                  EventId)
+{
+
+    if (EventId > ACPI_EVENT_MAX)
+    {
+        return ("InvalidEventID");
+    }
+
+    return (ACPI_CAST_PTR (char, AcpiGbl_EventTypes[EventId]));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetTypeName
+ *
+ * PARAMETERS:  Type                - An ACPI object type
+ *
+ * RETURN:      Decoded ACPI object type name
+ *
+ * DESCRIPTION: Translate a Type ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+/*
+ * Elements of AcpiGbl_NsTypeNames below must match
+ * one-to-one with values of ACPI_OBJECT_TYPE
+ *
+ * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching;
+ * when stored in a table it really means that we have thus far seen no
+ * evidence to indicate what type is actually going to be stored for this entry.
+ */
+static const char           AcpiGbl_BadType[] = "UNDEFINED";
+
+/* Printable names of the ACPI object types */
+
+static const char           *AcpiGbl_NsTypeNames[] =
+{
+    /* 00 */ "Untyped",
+    /* 01 */ "Integer",
+    /* 02 */ "String",
+    /* 03 */ "Buffer",
+    /* 04 */ "Package",
+    /* 05 */ "FieldUnit",
+    /* 06 */ "Device",
+    /* 07 */ "Event",
+    /* 08 */ "Method",
+    /* 09 */ "Mutex",
+    /* 10 */ "Region",
+    /* 11 */ "Power",
+    /* 12 */ "Processor",
+    /* 13 */ "Thermal",
+    /* 14 */ "BufferField",
+    /* 15 */ "DdbHandle",
+    /* 16 */ "DebugObject",
+    /* 17 */ "RegionField",
+    /* 18 */ "BankField",
+    /* 19 */ "IndexField",
+    /* 20 */ "Reference",
+    /* 21 */ "Alias",
+    /* 22 */ "MethodAlias",
+    /* 23 */ "Notify",
+    /* 24 */ "AddrHandler",
+    /* 25 */ "ResourceDesc",
+    /* 26 */ "ResourceFld",
+    /* 27 */ "Scope",
+    /* 28 */ "Extra",
+    /* 29 */ "Data",
+    /* 30 */ "Invalid"
+};
+
+
+char *
+AcpiUtGetTypeName (
+    ACPI_OBJECT_TYPE        Type)
+{
+
+    if (Type > ACPI_TYPE_INVALID)
+    {
+        return (ACPI_CAST_PTR (char, AcpiGbl_BadType));
+    }
+
+    return (ACPI_CAST_PTR (char, AcpiGbl_NsTypeNames[Type]));
+}
+
+
+char *
+AcpiUtGetObjectTypeName (
+    ACPI_OPERAND_OBJECT     *ObjDesc)
+{
+
+    if (!ObjDesc)
+    {
+        return ("[NULL Object Descriptor]");
+    }
+
+    return (AcpiUtGetTypeName (ObjDesc->Common.Type));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetNodeName
+ *
+ * PARAMETERS:  Object               - A namespace node
+ *
+ * RETURN:      ASCII name of the node
+ *
+ * DESCRIPTION: Validate the node and return the node's ACPI name.
+ *
+ ******************************************************************************/
+
+char *
+AcpiUtGetNodeName (
+    void                    *Object)
+{
+    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) Object;
+
+
+    /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */
+
+    if (!Object)
+    {
+        return ("NULL");
+    }
+
+    /* Check for Root node */
+
+    if ((Object == ACPI_ROOT_OBJECT) ||
+        (Object == AcpiGbl_RootNode))
+    {
+        return ("\"\\\" ");
+    }
+
+    /* Descriptor must be a namespace node */
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED)
+    {
+        return ("####");
+    }
+
+    /*
+     * Ensure name is valid. The name was validated/repaired when the node
+     * was created, but make sure it has not been corrupted.
+     */
+    AcpiUtRepairName (Node->Name.Ascii);
+
+    /* Return the name */
+
+    return (Node->Name.Ascii);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetDescriptorName
+ *
+ * PARAMETERS:  Object               - An ACPI object
+ *
+ * RETURN:      Decoded name of the descriptor type
+ *
+ * DESCRIPTION: Validate object and return the descriptor type
+ *
+ ******************************************************************************/
+
+/* Printable names of object descriptor types */
+
+static const char           *AcpiGbl_DescTypeNames[] =
+{
+    /* 00 */ "Not a Descriptor",
+    /* 01 */ "Cached",
+    /* 02 */ "State-Generic",
+    /* 03 */ "State-Update",
+    /* 04 */ "State-Package",
+    /* 05 */ "State-Control",
+    /* 06 */ "State-RootParseScope",
+    /* 07 */ "State-ParseScope",
+    /* 08 */ "State-WalkScope",
+    /* 09 */ "State-Result",
+    /* 10 */ "State-Notify",
+    /* 11 */ "State-Thread",
+    /* 12 */ "Walk",
+    /* 13 */ "Parser",
+    /* 14 */ "Operand",
+    /* 15 */ "Node"
+};
+
+
+char *
+AcpiUtGetDescriptorName (
+    void                    *Object)
+{
+
+    if (!Object)
+    {
+        return ("NULL OBJECT");
+    }
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (Object) > ACPI_DESC_TYPE_MAX)
+    {
+        return ("Not a Descriptor");
+    }
+
+    return (ACPI_CAST_PTR (char,
+        AcpiGbl_DescTypeNames[ACPI_GET_DESCRIPTOR_TYPE (Object)]));
+
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetReferenceName
+ *
+ * PARAMETERS:  Object               - An ACPI reference object
+ *
+ * RETURN:      Decoded name of the type of reference
+ *
+ * DESCRIPTION: Decode a reference object sub-type to a string.
+ *
+ ******************************************************************************/
+
+/* Printable names of reference object sub-types */
+
+static const char           *AcpiGbl_RefClassNames[] =
+{
+    /* 00 */ "Local",
+    /* 01 */ "Argument",
+    /* 02 */ "RefOf",
+    /* 03 */ "Index",
+    /* 04 */ "DdbHandle",
+    /* 05 */ "Named Object",
+    /* 06 */ "Debug"
+};
+
+const char *
+AcpiUtGetReferenceName (
+    ACPI_OPERAND_OBJECT     *Object)
+{
+
+    if (!Object)
+    {
+        return ("NULL Object");
+    }
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
+    {
+        return ("Not an Operand object");
+    }
+
+    if (Object->Common.Type != ACPI_TYPE_LOCAL_REFERENCE)
+    {
+        return ("Not a Reference object");
+    }
+
+    if (Object->Reference.Class > ACPI_REFCLASS_MAX)
+    {
+        return ("Unknown Reference class");
+    }
+
+    return (AcpiGbl_RefClassNames[Object->Reference.Class]);
+}
+
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+/*
+ * Strings and procedures used for debug only
+ */
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetMutexName
+ *
+ * PARAMETERS:  MutexId         - The predefined ID for this mutex.
+ *
+ * RETURN:      Decoded name of the internal mutex
+ *
+ * DESCRIPTION: Translate a mutex ID into a name string (Debug only)
+ *
+ ******************************************************************************/
+
+/* Names for internal mutex objects, used for debug output */
+
+static char                 *AcpiGbl_MutexNames[ACPI_NUM_MUTEX] =
+{
+    "ACPI_MTX_Interpreter",
+    "ACPI_MTX_Namespace",
+    "ACPI_MTX_Tables",
+    "ACPI_MTX_Events",
+    "ACPI_MTX_Caches",
+    "ACPI_MTX_Memory",
+    "ACPI_MTX_CommandComplete",
+    "ACPI_MTX_CommandReady"
+};
+
+char *
+AcpiUtGetMutexName (
+    UINT32                  MutexId)
+{
+
+    if (MutexId > ACPI_MAX_MUTEX)
+    {
+        return ("Invalid Mutex ID");
+    }
+
+    return (AcpiGbl_MutexNames[MutexId]);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetNotifyName
+ *
+ * PARAMETERS:  NotifyValue     - Value from the Notify() request
+ *
+ * RETURN:      Decoded name for the notify value
+ *
+ * DESCRIPTION: Translate a Notify Value to a notify namestring.
+ *
+ ******************************************************************************/
+
+/* Names for Notify() values, used for debug output */
+
+static const char           *AcpiGbl_NotifyValueNames[ACPI_NOTIFY_MAX + 1] =
+{
+    /* 00 */ "Bus Check",
+    /* 01 */ "Device Check",
+    /* 02 */ "Device Wake",
+    /* 03 */ "Eject Request",
+    /* 04 */ "Device Check Light",
+    /* 05 */ "Frequency Mismatch",
+    /* 06 */ "Bus Mode Mismatch",
+    /* 07 */ "Power Fault",
+    /* 08 */ "Capabilities Check",
+    /* 09 */ "Device PLD Check",
+    /* 10 */ "Reserved",
+    /* 11 */ "System Locality Update",
+    /* 12 */ "Shutdown Request"
+};
+
+const char *
+AcpiUtGetNotifyName (
+    UINT32                  NotifyValue)
+{
+
+    if (NotifyValue <= ACPI_NOTIFY_MAX)
+    {
+        return (AcpiGbl_NotifyValueNames[NotifyValue]);
+    }
+    else if (NotifyValue <= ACPI_MAX_SYS_NOTIFY)
+    {
+        return ("Reserved");
+    }
+    else if (NotifyValue <= ACPI_MAX_DEVICE_SPECIFIC_NOTIFY)
+    {
+        return ("Device Specific");
+    }
+    else
+    {
+        return ("Hardware Specific");
+    }
+}
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidObjectType
+ *
+ * PARAMETERS:  Type            - Object type to be validated
+ *
+ * RETURN:      TRUE if valid object type, FALSE otherwise
+ *
+ * DESCRIPTION: Validate an object type
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiUtValidObjectType (
+    ACPI_OBJECT_TYPE        Type)
+{
+
+    if (Type > ACPI_TYPE_LOCAL_MAX)
+    {
+        /* Note: Assumes all TYPEs are contiguous (external/local) */
+
+        return (FALSE);
+    }
+
+    return (TRUE);
+}
diff --git a/source/components/utilities/utdelete.c b/source/components/utilities/utdelete.c
new file mode 100644
index 000000000000..90baa15d225e
--- /dev/null
+++ b/source/components/utilities/utdelete.c
@@ -0,0 +1,766 @@
+/*******************************************************************************
+ *
+ * Module Name: utdelete - object deletion and reference count utilities
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTDELETE_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "acevents.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utdelete")
+
+/* Local prototypes */
+
+static void
+AcpiUtDeleteInternalObj (
+    ACPI_OPERAND_OBJECT     *Object);
+
+static void
+AcpiUtUpdateRefCount (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT32                  Action);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteInternalObj
+ *
+ * PARAMETERS:  Object         - Object to be deleted
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Low level object deletion, after reference counts have been
+ *              updated (All reference counts, including sub-objects!)
+ *
+ ******************************************************************************/
+
+static void
+AcpiUtDeleteInternalObj (
+    ACPI_OPERAND_OBJECT     *Object)
+{
+    void                    *ObjPointer = NULL;
+    ACPI_OPERAND_OBJECT     *HandlerDesc;
+    ACPI_OPERAND_OBJECT     *SecondDesc;
+    ACPI_OPERAND_OBJECT     *NextDesc;
+    ACPI_OPERAND_OBJECT     **LastObjPtr;
+
+
+    ACPI_FUNCTION_TRACE_PTR (UtDeleteInternalObj, Object);
+
+
+    if (!Object)
+    {
+        return_VOID;
+    }
+
+    /*
+     * Must delete or free any pointers within the object that are not
+     * actual ACPI objects (for example, a raw buffer pointer).
+     */
+    switch (Object->Common.Type)
+    {
+    case ACPI_TYPE_STRING:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** String %p, ptr %p\n",
+            Object, Object->String.Pointer));
+
+        /* Free the actual string buffer */
+
+        if (!(Object->Common.Flags & AOPOBJ_STATIC_POINTER))
+        {
+            /* But only if it is NOT a pointer into an ACPI table */
+
+            ObjPointer = Object->String.Pointer;
+        }
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** Buffer %p, ptr %p\n",
+            Object, Object->Buffer.Pointer));
+
+        /* Free the actual buffer */
+
+        if (!(Object->Common.Flags & AOPOBJ_STATIC_POINTER))
+        {
+            /* But only if it is NOT a pointer into an ACPI table */
+
+            ObjPointer = Object->Buffer.Pointer;
+        }
+        break;
+
+
+    case ACPI_TYPE_PACKAGE:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, " **** Package of count %X\n",
+            Object->Package.Count));
+
+        /*
+         * Elements of the package are not handled here, they are deleted
+         * separately
+         */
+
+        /* Free the (variable length) element pointer array */
+
+        ObjPointer = Object->Package.Elements;
+        break;
+
+
+    /*
+     * These objects have a possible list of notify handlers.
+     * Device object also may have a GPE block.
+     */
+    case ACPI_TYPE_DEVICE:
+
+        if (Object->Device.GpeBlock)
+        {
+            (void) AcpiEvDeleteGpeBlock (Object->Device.GpeBlock);
+        }
+
+        /*lint -fallthrough */
+
+    case ACPI_TYPE_PROCESSOR:
+    case ACPI_TYPE_THERMAL:
+
+        /* Walk the notify handler list for this object */
+
+        HandlerDesc = Object->CommonNotify.Handler;
+        while (HandlerDesc)
+        {
+            NextDesc = HandlerDesc->AddressSpace.Next;
+            AcpiUtRemoveReference (HandlerDesc);
+            HandlerDesc = NextDesc;
+        }
+        break;
+
+
+    case ACPI_TYPE_MUTEX:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+            "***** Mutex %p, OS Mutex %p\n",
+            Object, Object->Mutex.OsMutex));
+
+        if (Object == AcpiGbl_GlobalLockMutex)
+        {
+            /* Global Lock has extra semaphore */
+
+            (void) AcpiOsDeleteSemaphore (AcpiGbl_GlobalLockSemaphore);
+            AcpiGbl_GlobalLockSemaphore = NULL;
+
+            AcpiOsDeleteMutex (Object->Mutex.OsMutex);
+            AcpiGbl_GlobalLockMutex = NULL;
+        }
+        else
+        {
+            AcpiExUnlinkMutex (Object);
+            AcpiOsDeleteMutex (Object->Mutex.OsMutex);
+        }
+        break;
+
+
+    case ACPI_TYPE_EVENT:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+            "***** Event %p, OS Semaphore %p\n",
+            Object, Object->Event.OsSemaphore));
+
+        (void) AcpiOsDeleteSemaphore (Object->Event.OsSemaphore);
+        Object->Event.OsSemaphore = NULL;
+        break;
+
+
+    case ACPI_TYPE_METHOD:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+            "***** Method %p\n", Object));
+
+        /* Delete the method mutex if it exists */
+
+        if (Object->Method.Mutex)
+        {
+            AcpiOsDeleteMutex (Object->Method.Mutex->Mutex.OsMutex);
+            AcpiUtDeleteObjectDesc (Object->Method.Mutex);
+            Object->Method.Mutex = NULL;
+        }
+        break;
+
+
+    case ACPI_TYPE_REGION:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+            "***** Region %p\n", Object));
+
+        /*
+         * Update AddressRange list. However, only permanent regions
+         * are installed in this list. (Not created within a method)
+         */
+        if (!(Object->Region.Node->Flags & ANOBJ_TEMPORARY))
+        {
+            AcpiUtRemoveAddressRange (Object->Region.SpaceId,
+                Object->Region.Node);
+        }
+
+        SecondDesc = AcpiNsGetSecondaryObject (Object);
+        if (SecondDesc)
+        {
+            /*
+             * Free the RegionContext if and only if the handler is one of the
+             * default handlers -- and therefore, we created the context object
+             * locally, it was not created by an external caller.
+             */
+            HandlerDesc = Object->Region.Handler;
+            if (HandlerDesc)
+            {
+                NextDesc = HandlerDesc->AddressSpace.RegionList;
+                LastObjPtr = &HandlerDesc->AddressSpace.RegionList;
+
+                /* Remove the region object from the handler's list */
+
+                while (NextDesc)
+                {
+                    if (NextDesc == Object)
+                    {
+                        *LastObjPtr = NextDesc->Region.Next;
+                        break;
+                    }
+
+                    /* Walk the linked list of handler */
+
+                    LastObjPtr = &NextDesc->Region.Next;
+                    NextDesc = NextDesc->Region.Next;
+                }
+
+                if (HandlerDesc->AddressSpace.HandlerFlags &
+                    ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
+                {
+                    /* Deactivate region and free region context */
+
+                    if (HandlerDesc->AddressSpace.Setup)
+                    {
+                        (void) HandlerDesc->AddressSpace.Setup (Object,
+                            ACPI_REGION_DEACTIVATE,
+                            HandlerDesc->AddressSpace.Context,
+                            &SecondDesc->Extra.RegionContext);
+                    }
+                }
+
+                AcpiUtRemoveReference (HandlerDesc);
+            }
+
+            /* Now we can free the Extra object */
+
+            AcpiUtDeleteObjectDesc (SecondDesc);
+        }
+        break;
+
+
+    case ACPI_TYPE_BUFFER_FIELD:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+            "***** Buffer Field %p\n", Object));
+
+        SecondDesc = AcpiNsGetSecondaryObject (Object);
+        if (SecondDesc)
+        {
+            AcpiUtDeleteObjectDesc (SecondDesc);
+        }
+        break;
+
+
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+            "***** Bank Field %p\n", Object));
+
+        SecondDesc = AcpiNsGetSecondaryObject (Object);
+        if (SecondDesc)
+        {
+            AcpiUtDeleteObjectDesc (SecondDesc);
+        }
+        break;
+
+
+    default:
+        break;
+    }
+
+    /* Free any allocated memory (pointer within the object) found above */
+
+    if (ObjPointer)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object Subptr %p\n",
+            ObjPointer));
+        ACPI_FREE (ObjPointer);
+    }
+
+    /* Now the object can be safely deleted */
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object %p [%s]\n",
+        Object, AcpiUtGetObjectTypeName (Object)));
+
+    AcpiUtDeleteObjectDesc (Object);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteInternalObjectList
+ *
+ * PARAMETERS:  ObjList         - Pointer to the list to be deleted
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: This function deletes an internal object list, including both
+ *              simple objects and package objects
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteInternalObjectList (
+    ACPI_OPERAND_OBJECT     **ObjList)
+{
+    ACPI_OPERAND_OBJECT     **InternalObj;
+
+
+    ACPI_FUNCTION_TRACE (UtDeleteInternalObjectList);
+
+
+    /* Walk the null-terminated internal list */
+
+    for (InternalObj = ObjList; *InternalObj; InternalObj++)
+    {
+        AcpiUtRemoveReference (*InternalObj);
+    }
+
+    /* Free the combined parameter pointer list and object array */
+
+    ACPI_FREE (ObjList);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtUpdateRefCount
+ *
+ * PARAMETERS:  Object          - Object whose ref count is to be updated
+ *              Action          - What to do
+ *
+ * RETURN:      New ref count
+ *
+ * DESCRIPTION: Modify the ref count and return it.
+ *
+ ******************************************************************************/
+
+static void
+AcpiUtUpdateRefCount (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT32                  Action)
+{
+    UINT16                  Count;
+    UINT16                  NewCount;
+
+
+    ACPI_FUNCTION_NAME (UtUpdateRefCount);
+
+
+    if (!Object)
+    {
+        return;
+    }
+
+    Count = Object->Common.ReferenceCount;
+    NewCount = Count;
+
+    /*
+     * Perform the reference count action (increment, decrement, force delete)
+     */
+    switch (Action)
+    {
+    case REF_INCREMENT:
+
+        NewCount++;
+        Object->Common.ReferenceCount = NewCount;
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+            "Obj %p Refs=%X, [Incremented]\n",
+            Object, NewCount));
+        break;
+
+    case REF_DECREMENT:
+
+        if (Count < 1)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+                "Obj %p Refs=%X, can't decrement! (Set to 0)\n",
+                Object, NewCount));
+
+            NewCount = 0;
+        }
+        else
+        {
+            NewCount--;
+
+            ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+                "Obj %p Refs=%X, [Decremented]\n",
+                Object, NewCount));
+        }
+
+        if (Object->Common.Type == ACPI_TYPE_METHOD)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+                "Method Obj %p Refs=%X, [Decremented]\n", Object, NewCount));
+        }
+
+        Object->Common.ReferenceCount = NewCount;
+        if (NewCount == 0)
+        {
+            AcpiUtDeleteInternalObj (Object);
+        }
+        break;
+
+    case REF_FORCE_DELETE:
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+            "Obj %p Refs=%X, Force delete! (Set to 0)\n", Object, Count));
+
+        NewCount = 0;
+        Object->Common.ReferenceCount = NewCount;
+        AcpiUtDeleteInternalObj (Object);
+        break;
+
+    default:
+
+        ACPI_ERROR ((AE_INFO, "Unknown action (0x%X)", Action));
+        break;
+    }
+
+    /*
+     * Sanity check the reference count, for debug purposes only.
+     * (A deleted object will have a huge reference count)
+     */
+    if (Count > ACPI_MAX_REFERENCE_COUNT)
+    {
+        ACPI_WARNING ((AE_INFO,
+            "Large Reference Count (0x%X) in object %p", Count, Object));
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtUpdateObjectReference
+ *
+ * PARAMETERS:  Object              - Increment ref count for this object
+ *                                    and all sub-objects
+ *              Action              - Either REF_INCREMENT or REF_DECREMENT or
+ *                                    REF_FORCE_DELETE
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Increment the object reference count
+ *
+ * Object references are incremented when:
+ * 1) An object is attached to a Node (namespace object)
+ * 2) An object is copied (all subobjects must be incremented)
+ *
+ * Object references are decremented when:
+ * 1) An object is detached from an Node
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtUpdateObjectReference (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT16                  Action)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_GENERIC_STATE      *StateList = NULL;
+    ACPI_OPERAND_OBJECT     *NextObject = NULL;
+    ACPI_GENERIC_STATE      *State;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE_PTR (UtUpdateObjectReference, Object);
+
+
+    while (Object)
+    {
+        /* Make sure that this isn't a namespace handle */
+
+        if (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+                "Object %p is NS handle\n", Object));
+            return_ACPI_STATUS (AE_OK);
+        }
+
+        /*
+         * All sub-objects must have their reference count incremented also.
+         * Different object types have different subobjects.
+         */
+        switch (Object->Common.Type)
+        {
+        case ACPI_TYPE_DEVICE:
+        case ACPI_TYPE_PROCESSOR:
+        case ACPI_TYPE_POWER:
+        case ACPI_TYPE_THERMAL:
+
+            /* Update the notify objects for these types (if present) */
+
+            AcpiUtUpdateRefCount (Object->CommonNotify.SystemNotify, Action);
+            AcpiUtUpdateRefCount (Object->CommonNotify.DeviceNotify, Action);
+            break;
+
+        case ACPI_TYPE_PACKAGE:
+            /*
+             * We must update all the sub-objects of the package,
+             * each of whom may have their own sub-objects.
+             */
+            for (i = 0; i < Object->Package.Count; i++)
+            {
+                /*
+                 * Push each element onto the stack for later processing.
+                 * Note: There can be null elements within the package,
+                 * these are simply ignored
+                 */
+                Status = AcpiUtCreateUpdateStateAndPush (
+                            Object->Package.Elements[i], Action, &StateList);
+                if (ACPI_FAILURE (Status))
+                {
+                    goto ErrorExit;
+                }
+            }
+            break;
+
+        case ACPI_TYPE_BUFFER_FIELD:
+
+            NextObject = Object->BufferField.BufferObj;
+            break;
+
+        case ACPI_TYPE_LOCAL_REGION_FIELD:
+
+            NextObject = Object->Field.RegionObj;
+            break;
+
+        case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+            NextObject = Object->BankField.BankObj;
+            Status = AcpiUtCreateUpdateStateAndPush (
+                        Object->BankField.RegionObj, Action, &StateList);
+            if (ACPI_FAILURE (Status))
+            {
+                goto ErrorExit;
+            }
+            break;
+
+        case ACPI_TYPE_LOCAL_INDEX_FIELD:
+
+            NextObject = Object->IndexField.IndexObj;
+            Status = AcpiUtCreateUpdateStateAndPush (
+                        Object->IndexField.DataObj, Action, &StateList);
+            if (ACPI_FAILURE (Status))
+            {
+                goto ErrorExit;
+            }
+            break;
+
+        case ACPI_TYPE_LOCAL_REFERENCE:
+            /*
+             * The target of an Index (a package, string, or buffer) or a named
+             * reference must track changes to the ref count of the index or
+             * target object.
+             */
+            if ((Object->Reference.Class == ACPI_REFCLASS_INDEX) ||
+                (Object->Reference.Class== ACPI_REFCLASS_NAME))
+            {
+                NextObject = Object->Reference.Object;
+            }
+            break;
+
+        case ACPI_TYPE_REGION:
+        default:
+            break; /* No subobjects for all other types */
+        }
+
+        /*
+         * Now we can update the count in the main object. This can only
+         * happen after we update the sub-objects in case this causes the
+         * main object to be deleted.
+         */
+        AcpiUtUpdateRefCount (Object, Action);
+        Object = NULL;
+
+        /* Move on to the next object to be updated */
+
+        if (NextObject)
+        {
+            Object = NextObject;
+            NextObject = NULL;
+        }
+        else if (StateList)
+        {
+            State = AcpiUtPopGenericState (&StateList);
+            Object = State->Update.Object;
+            AcpiUtDeleteGenericState (State);
+        }
+    }
+
+    return_ACPI_STATUS (AE_OK);
+
+
+ErrorExit:
+
+    ACPI_EXCEPTION ((AE_INFO, Status,
+        "Could not update object reference count"));
+
+    /* Free any stacked Update State objects */
+
+    while (StateList)
+    {
+        State = AcpiUtPopGenericState (&StateList);
+        AcpiUtDeleteGenericState (State);
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAddReference
+ *
+ * PARAMETERS:  Object          - Object whose reference count is to be
+ *                                incremented
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Add one reference to an ACPI object
+ *
+ ******************************************************************************/
+
+void
+AcpiUtAddReference (
+    ACPI_OPERAND_OBJECT     *Object)
+{
+
+    ACPI_FUNCTION_TRACE_PTR (UtAddReference, Object);
+
+
+    /* Ensure that we have a valid object */
+
+    if (!AcpiUtValidInternalObject (Object))
+    {
+        return_VOID;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+        "Obj %p Current Refs=%X [To Be Incremented]\n",
+        Object, Object->Common.ReferenceCount));
+
+    /* Increment the reference count */
+
+    (void) AcpiUtUpdateObjectReference (Object, REF_INCREMENT);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtRemoveReference
+ *
+ * PARAMETERS:  Object         - Object whose ref count will be decremented
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Decrement the reference count of an ACPI internal object
+ *
+ ******************************************************************************/
+
+void
+AcpiUtRemoveReference (
+    ACPI_OPERAND_OBJECT     *Object)
+{
+
+    ACPI_FUNCTION_TRACE_PTR (UtRemoveReference, Object);
+
+
+    /*
+     * Allow a NULL pointer to be passed in, just ignore it. This saves
+     * each caller from having to check. Also, ignore NS nodes.
+     *
+     */
+    if (!Object ||
+        (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED))
+
+    {
+        return_VOID;
+    }
+
+    /* Ensure that we have a valid object */
+
+    if (!AcpiUtValidInternalObject (Object))
+    {
+        return_VOID;
+    }
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+        "Obj %p Current Refs=%X [To Be Decremented]\n",
+        Object, Object->Common.ReferenceCount));
+
+    /*
+     * Decrement the reference count, and only actually delete the object
+     * if the reference count becomes 0. (Must also decrement the ref count
+     * of all subobjects!)
+     */
+    (void) AcpiUtUpdateObjectReference (Object, REF_DECREMENT);
+    return_VOID;
+}
+
+
diff --git a/source/components/utilities/uteval.c b/source/components/utilities/uteval.c
new file mode 100644
index 000000000000..0bcb894b5889
--- /dev/null
+++ b/source/components/utilities/uteval.c
@@ -0,0 +1,370 @@
+/******************************************************************************
+ *
+ * Module Name: uteval - Object evaluation
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTEVAL_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("uteval")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtEvaluateObject
+ *
+ * PARAMETERS:  PrefixNode          - Starting node
+ *              Path                - Path to object from starting node
+ *              ExpectedReturnTypes - Bitmap of allowed return types
+ *              ReturnDesc          - Where a return value is stored
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Evaluates a namespace object and verifies the type of the
+ *              return object. Common code that simplifies accessing objects
+ *              that have required return objects of fixed types.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtEvaluateObject (
+    ACPI_NAMESPACE_NODE     *PrefixNode,
+    char                    *Path,
+    UINT32                  ExpectedReturnBtypes,
+    ACPI_OPERAND_OBJECT     **ReturnDesc)
+{
+    ACPI_EVALUATE_INFO      *Info;
+    ACPI_STATUS             Status;
+    UINT32                  ReturnBtype;
+
+
+    ACPI_FUNCTION_TRACE (UtEvaluateObject);
+
+
+    /* Allocate the evaluation information block */
+
+    Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
+    if (!Info)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    Info->PrefixNode = PrefixNode;
+    Info->Pathname = Path;
+
+    /* Evaluate the object/method */
+
+    Status = AcpiNsEvaluate (Info);
+    if (ACPI_FAILURE (Status))
+    {
+        if (Status == AE_NOT_FOUND)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s.%s] was not found\n",
+                AcpiUtGetNodeName (PrefixNode), Path));
+        }
+        else
+        {
+            ACPI_ERROR_METHOD ("Method execution failed",
+                PrefixNode, Path, Status);
+        }
+
+        goto Cleanup;
+    }
+
+    /* Did we get a return object? */
+
+    if (!Info->ReturnObject)
+    {
+        if (ExpectedReturnBtypes)
+        {
+            ACPI_ERROR_METHOD ("No object was returned from",
+                PrefixNode, Path, AE_NOT_EXIST);
+
+            Status = AE_NOT_EXIST;
+        }
+
+        goto Cleanup;
+    }
+
+    /* Map the return object type to the bitmapped type */
+
+    switch ((Info->ReturnObject)->Common.Type)
+    {
+    case ACPI_TYPE_INTEGER:
+        ReturnBtype = ACPI_BTYPE_INTEGER;
+        break;
+
+    case ACPI_TYPE_BUFFER:
+        ReturnBtype = ACPI_BTYPE_BUFFER;
+        break;
+
+    case ACPI_TYPE_STRING:
+        ReturnBtype = ACPI_BTYPE_STRING;
+        break;
+
+    case ACPI_TYPE_PACKAGE:
+        ReturnBtype = ACPI_BTYPE_PACKAGE;
+        break;
+
+    default:
+        ReturnBtype = 0;
+        break;
+    }
+
+    if ((AcpiGbl_EnableInterpreterSlack) &&
+        (!ExpectedReturnBtypes))
+    {
+        /*
+         * We received a return object, but one was not expected. This can
+         * happen frequently if the "implicit return" feature is enabled.
+         * Just delete the return object and return AE_OK.
+         */
+        AcpiUtRemoveReference (Info->ReturnObject);
+        goto Cleanup;
+    }
+
+    /* Is the return object one of the expected types? */
+
+    if (!(ExpectedReturnBtypes & ReturnBtype))
+    {
+        ACPI_ERROR_METHOD ("Return object type is incorrect",
+            PrefixNode, Path, AE_TYPE);
+
+        ACPI_ERROR ((AE_INFO,
+            "Type returned from %s was incorrect: %s, expected Btypes: 0x%X",
+            Path, AcpiUtGetObjectTypeName (Info->ReturnObject),
+            ExpectedReturnBtypes));
+
+        /* On error exit, we must delete the return object */
+
+        AcpiUtRemoveReference (Info->ReturnObject);
+        Status = AE_TYPE;
+        goto Cleanup;
+    }
+
+    /* Object type is OK, return it */
+
+    *ReturnDesc = Info->ReturnObject;
+
+Cleanup:
+    ACPI_FREE (Info);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtEvaluateNumericObject
+ *
+ * PARAMETERS:  ObjectName          - Object name to be evaluated
+ *              DeviceNode          - Node for the device
+ *              Value               - Where the value is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Evaluates a numeric namespace object for a selected device
+ *              and stores result in *Value.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtEvaluateNumericObject (
+    char                    *ObjectName,
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    UINT64                  *Value)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtEvaluateNumericObject);
+
+
+    Status = AcpiUtEvaluateObject (DeviceNode, ObjectName,
+                ACPI_BTYPE_INTEGER, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get the returned Integer */
+
+    *Value = ObjDesc->Integer.Value;
+
+    /* On exit, we must delete the return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecute_STA
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              Flags               - Where the status flags are returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Executes _STA for selected device and stores results in
+ *              *Flags.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecute_STA (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    UINT32                  *Flags)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtExecute_STA);
+
+
+    Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__STA,
+                ACPI_BTYPE_INTEGER, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        if (AE_NOT_FOUND == Status)
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+                "_STA on %4.4s was not found, assuming device is present\n",
+                AcpiUtGetNodeName (DeviceNode)));
+
+            *Flags = ACPI_UINT32_MAX;
+            Status = AE_OK;
+        }
+
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Extract the status flags */
+
+    *Flags = (UINT32) ObjDesc->Integer.Value;
+
+    /* On exit, we must delete the return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecutePowerMethods
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              MethodNames         - Array of power method names
+ *              MethodCount         - Number of methods to execute
+ *              OutValues           - Where the power method values are returned
+ *
+ * RETURN:      Status, OutValues
+ *
+ * DESCRIPTION: Executes the specified power methods for the device and returns
+ *              the result(s).
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecutePowerMethods (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    const char              **MethodNames,
+    UINT8                   MethodCount,
+    UINT8                   *OutValues)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+    ACPI_STATUS             FinalStatus = AE_NOT_FOUND;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE (UtExecutePowerMethods);
+
+
+    for (i = 0; i < MethodCount; i++)
+    {
+        /*
+         * Execute the power method (_SxD or _SxW). The only allowable
+         * return type is an Integer.
+         */
+        Status = AcpiUtEvaluateObject (DeviceNode,
+                    ACPI_CAST_PTR (char, MethodNames[i]),
+                    ACPI_BTYPE_INTEGER, &ObjDesc);
+        if (ACPI_SUCCESS (Status))
+        {
+            OutValues[i] = (UINT8) ObjDesc->Integer.Value;
+
+            /* Delete the return object */
+
+            AcpiUtRemoveReference (ObjDesc);
+            FinalStatus = AE_OK;            /* At least one value is valid */
+            continue;
+        }
+
+        OutValues[i] = ACPI_UINT8_MAX;
+        if (Status == AE_NOT_FOUND)
+        {
+            continue; /* Ignore if not found */
+        }
+
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Failed %s on Device %4.4s, %s\n",
+            ACPI_CAST_PTR (char, MethodNames[i]),
+            AcpiUtGetNodeName (DeviceNode), AcpiFormatException (Status)));
+    }
+
+    return_ACPI_STATUS (FinalStatus);
+}
diff --git a/source/components/utilities/utglobal.c b/source/components/utilities/utglobal.c
new file mode 100644
index 000000000000..faccfb201bb6
--- /dev/null
+++ b/source/components/utilities/utglobal.c
@@ -0,0 +1,365 @@
+/******************************************************************************
+ *
+ * Module Name: utglobal - Global variables for the ACPI subsystem
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTGLOBAL_C__
+#define DEFINE_ACPI_GLOBALS
+
+#include "acpi.h"
+#include "accommon.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utglobal")
+
+
+/*******************************************************************************
+ *
+ * Static global variable initialization.
+ *
+ ******************************************************************************/
+
+/*
+ * We want the debug switches statically initialized so they
+ * are already set when the debugger is entered.
+ */
+
+/* Debug switch - level and trace mask */
+
+#ifdef ACPI_DEBUG_OUTPUT
+UINT32                      AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
+#else
+UINT32                      AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
+#endif
+
+/* Debug switch - layer (component) mask */
+
+UINT32                      AcpiDbgLayer = ACPI_COMPONENT_DEFAULT;
+UINT32                      AcpiGbl_NestingLevel = 0;
+
+/* Debugger globals */
+
+BOOLEAN                     AcpiGbl_DbTerminateThreads = FALSE;
+BOOLEAN                     AcpiGbl_AbortMethod = FALSE;
+BOOLEAN                     AcpiGbl_MethodExecuting = FALSE;
+
+/* System flags */
+
+UINT32                      AcpiGbl_StartupFlags = 0;
+
+/* System starts uninitialized */
+
+BOOLEAN                     AcpiGbl_Shutdown = TRUE;
+
+const char                  *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
+{
+    "\\_S0_",
+    "\\_S1_",
+    "\\_S2_",
+    "\\_S3_",
+    "\\_S4_",
+    "\\_S5_"
+};
+
+const char                  *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
+{
+    "_S0W",
+    "_S1W",
+    "_S2W",
+    "_S3W",
+    "_S4W"
+};
+
+const char                  *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
+{
+    "_S1D",
+    "_S2D",
+    "_S3D",
+    "_S4D"
+};
+
+
+/*******************************************************************************
+ *
+ * Namespace globals
+ *
+ ******************************************************************************/
+
+/*
+ * Predefined ACPI Names (Built-in to the Interpreter)
+ *
+ * NOTES:
+ * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
+ *    during the initialization sequence.
+ * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
+ *    perform a Notify() operation on it. 09/2010: Changed to type Device.
+ *    This still allows notifies, but does not confuse host code that
+ *    searches for valid ThermalZone objects.
+ */
+const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
+{
+    {"_GPE",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
+    {"_PR_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
+    {"_SB_",    ACPI_TYPE_DEVICE,           NULL},
+    {"_SI_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
+    {"_TZ_",    ACPI_TYPE_DEVICE,           NULL},
+    {"_REV",    ACPI_TYPE_INTEGER,          (char *) ACPI_CA_SUPPORT_LEVEL},
+    {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
+    {"_GL_",    ACPI_TYPE_MUTEX,            (char *) 1},
+
+#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
+    {"_OSI",    ACPI_TYPE_METHOD,           (char *) 1},
+#endif
+
+    /* Table terminator */
+
+    {NULL,      ACPI_TYPE_ANY,              NULL}
+};
+
+
+#if (!ACPI_REDUCED_HARDWARE)
+/******************************************************************************
+ *
+ * Event and Hardware globals
+ *
+ ******************************************************************************/
+
+ACPI_BIT_REGISTER_INFO      AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
+{
+    /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */
+
+    /* ACPI_BITREG_TIMER_STATUS         */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_TIMER_STATUS,          ACPI_BITMASK_TIMER_STATUS},
+    /* ACPI_BITREG_BUS_MASTER_STATUS    */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_BUS_MASTER_STATUS,     ACPI_BITMASK_BUS_MASTER_STATUS},
+    /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_STATUS},
+    /* ACPI_BITREG_POWER_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_STATUS},
+    /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_STATUS},
+    /* ACPI_BITREG_RT_CLOCK_STATUS      */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_STATUS},
+    /* ACPI_BITREG_WAKE_STATUS          */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_WAKE_STATUS,           ACPI_BITMASK_WAKE_STATUS},
+    /* ACPI_BITREG_PCIEXP_WAKE_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,    ACPI_BITMASK_PCIEXP_WAKE_STATUS},
+
+    /* ACPI_BITREG_TIMER_ENABLE         */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_TIMER_ENABLE,          ACPI_BITMASK_TIMER_ENABLE},
+    /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
+    /* ACPI_BITREG_POWER_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_POWER_BUTTON_ENABLE,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
+    /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
+    /* ACPI_BITREG_RT_CLOCK_ENABLE      */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_RT_CLOCK_ENABLE,       ACPI_BITMASK_RT_CLOCK_ENABLE},
+    /* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,   ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
+
+    /* ACPI_BITREG_SCI_ENABLE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SCI_ENABLE,            ACPI_BITMASK_SCI_ENABLE},
+    /* ACPI_BITREG_BUS_MASTER_RLD       */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_BUS_MASTER_RLD,        ACPI_BITMASK_BUS_MASTER_RLD},
+    /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,   ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
+    /* ACPI_BITREG_SLEEP_TYPE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE,            ACPI_BITMASK_SLEEP_TYPE},
+    /* ACPI_BITREG_SLEEP_ENABLE         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_ENABLE,          ACPI_BITMASK_SLEEP_ENABLE},
+
+    /* ACPI_BITREG_ARB_DIS              */   {ACPI_REGISTER_PM2_CONTROL,  ACPI_BITPOSITION_ARB_DISABLE,           ACPI_BITMASK_ARB_DISABLE}
+};
+
+
+ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
+{
+    /* ACPI_EVENT_PMTIMER       */  {ACPI_BITREG_TIMER_STATUS,          ACPI_BITREG_TIMER_ENABLE,        ACPI_BITMASK_TIMER_STATUS,          ACPI_BITMASK_TIMER_ENABLE},
+    /* ACPI_EVENT_GLOBAL        */  {ACPI_BITREG_GLOBAL_LOCK_STATUS,    ACPI_BITREG_GLOBAL_LOCK_ENABLE,  ACPI_BITMASK_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
+    /* ACPI_EVENT_POWER_BUTTON  */  {ACPI_BITREG_POWER_BUTTON_STATUS,   ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
+    /* ACPI_EVENT_SLEEP_BUTTON  */  {ACPI_BITREG_SLEEP_BUTTON_STATUS,   ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
+    /* ACPI_EVENT_RTC           */  {ACPI_BITREG_RT_CLOCK_STATUS,       ACPI_BITREG_RT_CLOCK_ENABLE,     ACPI_BITMASK_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_ENABLE},
+};
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtInitGlobals
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Init ACPICA globals.  All globals that require specific
+ *              initialization should be initialized here!
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtInitGlobals (
+    void)
+{
+    ACPI_STATUS             Status;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE (UtInitGlobals);
+
+
+    /* Create all memory caches */
+
+    Status = AcpiUtCreateCaches ();
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Address Range lists */
+
+    for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
+    {
+        AcpiGbl_AddressRangeList[i] = NULL;
+    }
+
+    /* Mutex locked flags */
+
+    for (i = 0; i < ACPI_NUM_MUTEX; i++)
+    {
+        AcpiGbl_MutexInfo[i].Mutex          = NULL;
+        AcpiGbl_MutexInfo[i].ThreadId       = ACPI_MUTEX_NOT_ACQUIRED;
+        AcpiGbl_MutexInfo[i].UseCount       = 0;
+    }
+
+    for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
+    {
+        AcpiGbl_OwnerIdMask[i]              = 0;
+    }
+
+    /* Last OwnerID is never valid */
+
+    AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
+
+    /* Event counters */
+
+    AcpiMethodCount                     = 0;
+    AcpiSciCount                        = 0;
+    AcpiGpeCount                        = 0;
+
+    for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
+    {
+        AcpiFixedEventCount[i]              = 0;
+    }
+
+#if (!ACPI_REDUCED_HARDWARE)
+
+    /* GPE support */
+
+    AcpiGbl_AllGpesInitialized          = FALSE;
+    AcpiGbl_GpeXruptListHead            = NULL;
+    AcpiGbl_GpeFadtBlocks[0]            = NULL;
+    AcpiGbl_GpeFadtBlocks[1]            = NULL;
+    AcpiCurrentGpeCount                 = 0;
+
+    AcpiGbl_GlobalEventHandler          = NULL;
+
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+    /* Global handlers */
+
+    AcpiGbl_SystemNotify.Handler        = NULL;
+    AcpiGbl_DeviceNotify.Handler        = NULL;
+    AcpiGbl_ExceptionHandler            = NULL;
+    AcpiGbl_InitHandler                 = NULL;
+    AcpiGbl_TableHandler                = NULL;
+    AcpiGbl_InterfaceHandler            = NULL;
+
+    /* Global Lock support */
+
+    AcpiGbl_GlobalLockSemaphore         = NULL;
+    AcpiGbl_GlobalLockMutex             = NULL;
+    AcpiGbl_GlobalLockAcquired          = FALSE;
+    AcpiGbl_GlobalLockHandle            = 0;
+    AcpiGbl_GlobalLockPresent           = FALSE;
+
+    /* Miscellaneous variables */
+
+    AcpiGbl_DSDT                        = NULL;
+    AcpiGbl_CmSingleStep                = FALSE;
+    AcpiGbl_DbTerminateThreads          = FALSE;
+    AcpiGbl_Shutdown                    = FALSE;
+    AcpiGbl_NsLookupCount               = 0;
+    AcpiGbl_PsFindCount                 = 0;
+    AcpiGbl_AcpiHardwarePresent         = TRUE;
+    AcpiGbl_LastOwnerIdIndex            = 0;
+    AcpiGbl_NextOwnerIdOffset           = 0;
+    AcpiGbl_TraceMethodName             = 0;
+    AcpiGbl_TraceDbgLevel               = 0;
+    AcpiGbl_TraceDbgLayer               = 0;
+    AcpiGbl_DebuggerConfiguration       = DEBUGGER_THREADING;
+    AcpiGbl_DbOutputFlags               = ACPI_DB_CONSOLE_OUTPUT;
+    AcpiGbl_OsiData                     = 0;
+    AcpiGbl_OsiMutex                    = NULL;
+    AcpiGbl_RegMethodsExecuted          = FALSE;
+
+    /* Hardware oriented */
+
+    AcpiGbl_EventsInitialized           = FALSE;
+    AcpiGbl_SystemAwakeAndRunning       = TRUE;
+
+    /* Namespace */
+
+    AcpiGbl_ModuleCodeList              = NULL;
+    AcpiGbl_RootNode                    = NULL;
+    AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
+    AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
+    AcpiGbl_RootNodeStruct.Type         = ACPI_TYPE_DEVICE;
+    AcpiGbl_RootNodeStruct.Parent       = NULL;
+    AcpiGbl_RootNodeStruct.Child        = NULL;
+    AcpiGbl_RootNodeStruct.Peer         = NULL;
+    AcpiGbl_RootNodeStruct.Object       = NULL;
+
+
+#ifdef ACPI_DISASSEMBLER
+    AcpiGbl_ExternalList                = NULL;
+#endif
+
+#ifdef ACPI_DEBUG_OUTPUT
+    AcpiGbl_LowestStackPointer          = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
+#endif
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+    AcpiGbl_DisplayFinalMemStats        = FALSE;
+    AcpiGbl_DisableMemTracking          = FALSE;
+#endif
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+/* Public globals */
+
+ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
+ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
+ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
+ACPI_EXPORT_SYMBOL (AcpiGpeCount)
+ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)
diff --git a/source/components/utilities/utids.c b/source/components/utilities/utids.c
new file mode 100644
index 000000000000..226d8c1631b6
--- /dev/null
+++ b/source/components/utilities/utids.c
@@ -0,0 +1,380 @@
+/******************************************************************************
+ *
+ * Module Name: utids - support for device IDs - HID, UID, CID
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTIDS_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acinterp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utids")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecute_HID
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              ReturnId            - Where the string HID is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Executes the _HID control method that returns the hardware
+ *              ID of the device. The HID is either an 32-bit encoded EISAID
+ *              Integer or a String. A string is always returned. An EISAID
+ *              is converted to a string.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecute_HID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID          **ReturnId)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_DEVICE_ID          *Hid;
+    UINT32                  Length;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtExecute_HID);
+
+
+    Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__HID,
+                ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get the size of the String to be returned, includes null terminator */
+
+    if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
+    {
+        Length = ACPI_EISAID_STRING_SIZE;
+    }
+    else
+    {
+        Length = ObjDesc->String.Length + 1;
+    }
+
+    /* Allocate a buffer for the HID */
+
+    Hid = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_DEVICE_ID) + (ACPI_SIZE) Length);
+    if (!Hid)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /* Area for the string starts after DEVICE_ID struct */
+
+    Hid->String = ACPI_ADD_PTR (char, Hid, sizeof (ACPI_DEVICE_ID));
+
+    /* Convert EISAID to a string or simply copy existing string */
+
+    if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
+    {
+        AcpiExEisaIdToString (Hid->String, ObjDesc->Integer.Value);
+    }
+    else
+    {
+        ACPI_STRCPY (Hid->String, ObjDesc->String.Pointer);
+    }
+
+    Hid->Length = Length;
+    *ReturnId = Hid;
+
+
+Cleanup:
+
+    /* On exit, we must delete the return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecute_UID
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              ReturnId            - Where the string UID is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Executes the _UID control method that returns the unique
+ *              ID of the device. The UID is either a 64-bit Integer (NOT an
+ *              EISAID) or a string. Always returns a string. A 64-bit integer
+ *              is converted to a decimal string.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecute_UID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID          **ReturnId)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_DEVICE_ID          *Uid;
+    UINT32                  Length;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtExecute_UID);
+
+
+    Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__UID,
+                ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get the size of the String to be returned, includes null terminator */
+
+    if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
+    {
+        Length = ACPI_MAX64_DECIMAL_DIGITS + 1;
+    }
+    else
+    {
+        Length = ObjDesc->String.Length + 1;
+    }
+
+    /* Allocate a buffer for the UID */
+
+    Uid = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_DEVICE_ID) + (ACPI_SIZE) Length);
+    if (!Uid)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /* Area for the string starts after DEVICE_ID struct */
+
+    Uid->String = ACPI_ADD_PTR (char, Uid, sizeof (ACPI_DEVICE_ID));
+
+    /* Convert an Integer to string, or just copy an existing string */
+
+    if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
+    {
+        AcpiExIntegerToString (Uid->String, ObjDesc->Integer.Value);
+    }
+    else
+    {
+        ACPI_STRCPY (Uid->String, ObjDesc->String.Pointer);
+    }
+
+    Uid->Length = Length;
+    *ReturnId = Uid;
+
+
+Cleanup:
+
+    /* On exit, we must delete the return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecute_CID
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              ReturnCidList       - Where the CID list is returned
+ *
+ * RETURN:      Status, list of CID strings
+ *
+ * DESCRIPTION: Executes the _CID control method that returns one or more
+ *              compatible hardware IDs for the device.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ * A _CID method can return either a single compatible ID or a package of
+ * compatible IDs. Each compatible ID can be one of the following:
+ * 1) Integer (32 bit compressed EISA ID) or
+ * 2) String (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss")
+ *
+ * The Integer CIDs are converted to string format by this function.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecute_CID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID_LIST     **ReturnCidList)
+{
+    ACPI_OPERAND_OBJECT     **CidObjects;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_DEVICE_ID_LIST     *CidList;
+    char                    *NextIdString;
+    UINT32                  StringAreaSize;
+    UINT32                  Length;
+    UINT32                  CidListSize;
+    ACPI_STATUS             Status;
+    UINT32                  Count;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE (UtExecute_CID);
+
+
+    /* Evaluate the _CID method for this device */
+
+    Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__CID,
+                ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_PACKAGE,
+                &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Get the count and size of the returned _CIDs. _CID can return either
+     * a Package of Integers/Strings or a single Integer or String.
+     * Note: This section also validates that all CID elements are of the
+     * correct type (Integer or String).
+     */
+    if (ObjDesc->Common.Type == ACPI_TYPE_PACKAGE)
+    {
+        Count = ObjDesc->Package.Count;
+        CidObjects = ObjDesc->Package.Elements;
+    }
+    else /* Single Integer or String CID */
+    {
+        Count = 1;
+        CidObjects = &ObjDesc;
+    }
+
+    StringAreaSize = 0;
+    for (i = 0; i < Count; i++)
+    {
+        /* String lengths include null terminator */
+
+        switch (CidObjects[i]->Common.Type)
+        {
+        case ACPI_TYPE_INTEGER:
+            StringAreaSize += ACPI_EISAID_STRING_SIZE;
+            break;
+
+        case ACPI_TYPE_STRING:
+            StringAreaSize += CidObjects[i]->String.Length + 1;
+            break;
+
+        default:
+            Status = AE_TYPE;
+            goto Cleanup;
+        }
+    }
+
+    /*
+     * Now that we know the length of the CIDs, allocate return buffer:
+     * 1) Size of the base structure +
+     * 2) Size of the CID DEVICE_ID array +
+     * 3) Size of the actual CID strings
+     */
+    CidListSize = sizeof (ACPI_DEVICE_ID_LIST) +
+        ((Count - 1) * sizeof (ACPI_DEVICE_ID)) +
+        StringAreaSize;
+
+    CidList = ACPI_ALLOCATE_ZEROED (CidListSize);
+    if (!CidList)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /* Area for CID strings starts after the CID DEVICE_ID array */
+
+    NextIdString = ACPI_CAST_PTR (char, CidList->Ids) +
+        ((ACPI_SIZE) Count * sizeof (ACPI_DEVICE_ID));
+
+    /* Copy/convert the CIDs to the return buffer */
+
+    for (i = 0; i < Count; i++)
+    {
+        if (CidObjects[i]->Common.Type == ACPI_TYPE_INTEGER)
+        {
+            /* Convert the Integer (EISAID) CID to a string */
+
+            AcpiExEisaIdToString (NextIdString, CidObjects[i]->Integer.Value);
+            Length = ACPI_EISAID_STRING_SIZE;
+        }
+        else /* ACPI_TYPE_STRING */
+        {
+            /* Copy the String CID from the returned object */
+
+            ACPI_STRCPY (NextIdString, CidObjects[i]->String.Pointer);
+            Length = CidObjects[i]->String.Length + 1;
+        }
+
+        CidList->Ids[i].String = NextIdString;
+        CidList->Ids[i].Length = Length;
+        NextIdString += Length;
+    }
+
+    /* Finish the CID list */
+
+    CidList->Count = Count;
+    CidList->ListSize = CidListSize;
+    *ReturnCidList = CidList;
+
+
+Cleanup:
+
+    /* On exit, we must delete the _CID return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
diff --git a/source/components/utilities/utinit.c b/source/components/utilities/utinit.c
new file mode 100644
index 000000000000..6831595e686b
--- /dev/null
+++ b/source/components/utilities/utinit.c
@@ -0,0 +1,192 @@
+/******************************************************************************
+ *
+ * Module Name: utinit - Common ACPI subsystem initialization
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#define __UTINIT_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "actables.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utinit")
+
+/* Local prototypes */
+
+static void AcpiUtTerminate (
+    void);
+
+#if (!ACPI_REDUCED_HARDWARE)
+
+static void
+AcpiUtFreeGpeLists (
+    void);
+
+#else
+
+#define AcpiUtFreeGpeLists()
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+
+#if (!ACPI_REDUCED_HARDWARE)
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiUtFreeGpeLists
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Free global GPE lists
+ *
+ ******************************************************************************/
+
+static void
+AcpiUtFreeGpeLists (
+    void)
+{
+    ACPI_GPE_BLOCK_INFO     *GpeBlock;
+    ACPI_GPE_BLOCK_INFO     *NextGpeBlock;
+    ACPI_GPE_XRUPT_INFO     *GpeXruptInfo;
+    ACPI_GPE_XRUPT_INFO     *NextGpeXruptInfo;
+
+
+    /* Free global GPE blocks and related info structures */
+
+    GpeXruptInfo = AcpiGbl_GpeXruptListHead;
+    while (GpeXruptInfo)
+    {
+        GpeBlock = GpeXruptInfo->GpeBlockListHead;
+        while (GpeBlock)
+        {
+            NextGpeBlock = GpeBlock->Next;
+            ACPI_FREE (GpeBlock->EventInfo);
+            ACPI_FREE (GpeBlock->RegisterInfo);
+            ACPI_FREE (GpeBlock);
+
+            GpeBlock = NextGpeBlock;
+        }
+        NextGpeXruptInfo = GpeXruptInfo->Next;
+        ACPI_FREE (GpeXruptInfo);
+        GpeXruptInfo = NextGpeXruptInfo;
+    }
+}
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiUtTerminate
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Free global memory
+ *
+ ******************************************************************************/
+
+static void
+AcpiUtTerminate (
+    void)
+{
+    ACPI_FUNCTION_TRACE (UtTerminate);
+
+    AcpiUtFreeGpeLists ();
+    AcpiUtDeleteAddressLists ();
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtSubsystemShutdown
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Shutdown the various components. Do not delete the mutex
+ *              objects here, because the AML debugger may be still running.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtSubsystemShutdown (
+    void)
+{
+    ACPI_FUNCTION_TRACE (UtSubsystemShutdown);
+
+
+#ifndef ACPI_ASL_COMPILER
+
+    /* Close the AcpiEvent Handling */
+
+    AcpiEvTerminate ();
+
+    /* Delete any dynamic _OSI interfaces */
+
+    AcpiUtInterfaceTerminate ();
+#endif
+
+    /* Close the Namespace */
+
+    AcpiNsTerminate ();
+
+    /* Delete the ACPI tables */
+
+    AcpiTbTerminate ();
+
+    /* Close the globals */
+
+    AcpiUtTerminate ();
+
+    /* Purge the local caches */
+
+    (void) AcpiUtDeleteCaches ();
+    return_VOID;
+}
+
+
diff --git a/source/components/utilities/utlock.c b/source/components/utilities/utlock.c
new file mode 100644
index 000000000000..61585ad499cd
--- /dev/null
+++ b/source/components/utilities/utlock.c
@@ -0,0 +1,205 @@
+/******************************************************************************
+ *
+ * Module Name: utlock - Reader/Writer lock interfaces
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTLOCK_C__
+
+#include "acpi.h"
+#include "accommon.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utlock")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateRwLock
+ *              AcpiUtDeleteRwLock
+ *
+ * PARAMETERS:  Lock                - Pointer to a valid RW lock
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Reader/writer lock creation and deletion interfaces.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCreateRwLock (
+    ACPI_RW_LOCK            *Lock)
+{
+    ACPI_STATUS             Status;
+
+
+    Lock->NumReaders = 0;
+    Status = AcpiOsCreateMutex (&Lock->ReaderMutex);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiOsCreateMutex (&Lock->WriterMutex);
+    return (Status);
+}
+
+
+void
+AcpiUtDeleteRwLock (
+    ACPI_RW_LOCK            *Lock)
+{
+
+    AcpiOsDeleteMutex (Lock->ReaderMutex);
+    AcpiOsDeleteMutex (Lock->WriterMutex);
+
+    Lock->NumReaders = 0;
+    Lock->ReaderMutex = NULL;
+    Lock->WriterMutex = NULL;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAcquireReadLock
+ *              AcpiUtReleaseReadLock
+ *
+ * PARAMETERS:  Lock                - Pointer to a valid RW lock
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Reader interfaces for reader/writer locks. On acquisition,
+ *              only the first reader acquires the write mutex. On release,
+ *              only the last reader releases the write mutex. Although this
+ *              algorithm can in theory starve writers, this should not be a
+ *              problem with ACPICA since the subsystem is infrequently used
+ *              in comparison to (for example) an I/O system.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtAcquireReadLock (
+    ACPI_RW_LOCK            *Lock)
+{
+    ACPI_STATUS             Status;
+
+
+    Status = AcpiOsAcquireMutex (Lock->ReaderMutex, ACPI_WAIT_FOREVER);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Acquire the write lock only for the first reader */
+
+    Lock->NumReaders++;
+    if (Lock->NumReaders == 1)
+    {
+        Status = AcpiOsAcquireMutex (Lock->WriterMutex, ACPI_WAIT_FOREVER);
+    }
+
+    AcpiOsReleaseMutex (Lock->ReaderMutex);
+    return (Status);
+}
+
+
+ACPI_STATUS
+AcpiUtReleaseReadLock (
+    ACPI_RW_LOCK            *Lock)
+{
+    ACPI_STATUS             Status;
+
+
+    Status = AcpiOsAcquireMutex (Lock->ReaderMutex, ACPI_WAIT_FOREVER);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Release the write lock only for the very last reader */
+
+    Lock->NumReaders--;
+    if (Lock->NumReaders == 0)
+    {
+        AcpiOsReleaseMutex (Lock->WriterMutex);
+    }
+
+    AcpiOsReleaseMutex (Lock->ReaderMutex);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAcquireWriteLock
+ *              AcpiUtReleaseWriteLock
+ *
+ * PARAMETERS:  Lock                - Pointer to a valid RW lock
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Writer interfaces for reader/writer locks. Simply acquire or
+ *              release the writer mutex associated with the lock. Acquisition
+ *              of the lock is fully exclusive and will block all readers and
+ *              writers until it is released.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtAcquireWriteLock (
+    ACPI_RW_LOCK            *Lock)
+{
+    ACPI_STATUS             Status;
+
+
+    Status = AcpiOsAcquireMutex (Lock->WriterMutex, ACPI_WAIT_FOREVER);
+    return (Status);
+}
+
+
+void
+AcpiUtReleaseWriteLock (
+    ACPI_RW_LOCK            *Lock)
+{
+
+    AcpiOsReleaseMutex (Lock->WriterMutex);
+}
+
diff --git a/source/components/utilities/utmath.c b/source/components/utilities/utmath.c
new file mode 100644
index 000000000000..d0fad7cb6cab
--- /dev/null
+++ b/source/components/utilities/utmath.c
@@ -0,0 +1,379 @@
+/*******************************************************************************
+ *
+ * Module Name: utmath - Integer math support routines
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#define __UTMATH_C__
+
+#include "acpi.h"
+#include "accommon.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utmath")
+
+/*
+ * Optional support for 64-bit double-precision integer divide. This code
+ * is configurable and is implemented in order to support 32-bit kernel
+ * environments where a 64-bit double-precision math library is not available.
+ *
+ * Support for a more normal 64-bit divide/modulo (with check for a divide-
+ * by-zero) appears after this optional section of code.
+ */
+#ifndef ACPI_USE_NATIVE_DIVIDE
+
+/* Structures used only for 64-bit divide */
+
+typedef struct uint64_struct
+{
+    UINT32                          Lo;
+    UINT32                          Hi;
+
+} UINT64_STRUCT;
+
+typedef union uint64_overlay
+{
+    UINT64                          Full;
+    UINT64_STRUCT                   Part;
+
+} UINT64_OVERLAY;
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtShortDivide
+ *
+ * PARAMETERS:  Dividend            - 64-bit dividend
+ *              Divisor             - 32-bit divisor
+ *              OutQuotient         - Pointer to where the quotient is returned
+ *              OutRemainder        - Pointer to where the remainder is returned
+ *
+ * RETURN:      Status (Checks for divide-by-zero)
+ *
+ * DESCRIPTION: Perform a short (maximum 64 bits divided by 32 bits)
+ *              divide and modulo.  The result is a 64-bit quotient and a
+ *              32-bit remainder.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtShortDivide (
+    UINT64                  Dividend,
+    UINT32                  Divisor,
+    UINT64                  *OutQuotient,
+    UINT32                  *OutRemainder)
+{
+    UINT64_OVERLAY          DividendOvl;
+    UINT64_OVERLAY          Quotient;
+    UINT32                  Remainder32;
+
+
+    ACPI_FUNCTION_TRACE (UtShortDivide);
+
+
+    /* Always check for a zero divisor */
+
+    if (Divisor == 0)
+    {
+        ACPI_ERROR ((AE_INFO, "Divide by zero"));
+        return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
+    }
+
+    DividendOvl.Full = Dividend;
+
+    /*
+     * The quotient is 64 bits, the remainder is always 32 bits,
+     * and is generated by the second divide.
+     */
+    ACPI_DIV_64_BY_32 (0, DividendOvl.Part.Hi, Divisor,
+                       Quotient.Part.Hi, Remainder32);
+    ACPI_DIV_64_BY_32 (Remainder32, DividendOvl.Part.Lo, Divisor,
+                       Quotient.Part.Lo, Remainder32);
+
+    /* Return only what was requested */
+
+    if (OutQuotient)
+    {
+        *OutQuotient = Quotient.Full;
+    }
+    if (OutRemainder)
+    {
+        *OutRemainder = Remainder32;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDivide
+ *
+ * PARAMETERS:  InDividend          - Dividend
+ *              InDivisor           - Divisor
+ *              OutQuotient         - Pointer to where the quotient is returned
+ *              OutRemainder        - Pointer to where the remainder is returned
+ *
+ * RETURN:      Status (Checks for divide-by-zero)
+ *
+ * DESCRIPTION: Perform a divide and modulo.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtDivide (
+    UINT64                  InDividend,
+    UINT64                  InDivisor,
+    UINT64                  *OutQuotient,
+    UINT64                  *OutRemainder)
+{
+    UINT64_OVERLAY          Dividend;
+    UINT64_OVERLAY          Divisor;
+    UINT64_OVERLAY          Quotient;
+    UINT64_OVERLAY          Remainder;
+    UINT64_OVERLAY          NormalizedDividend;
+    UINT64_OVERLAY          NormalizedDivisor;
+    UINT32                  Partial1;
+    UINT64_OVERLAY          Partial2;
+    UINT64_OVERLAY          Partial3;
+
+
+    ACPI_FUNCTION_TRACE (UtDivide);
+
+
+    /* Always check for a zero divisor */
+
+    if (InDivisor == 0)
+    {
+        ACPI_ERROR ((AE_INFO, "Divide by zero"));
+        return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
+    }
+
+    Divisor.Full  = InDivisor;
+    Dividend.Full = InDividend;
+    if (Divisor.Part.Hi == 0)
+    {
+        /*
+         * 1) Simplest case is where the divisor is 32 bits, we can
+         * just do two divides
+         */
+        Remainder.Part.Hi = 0;
+
+        /*
+         * The quotient is 64 bits, the remainder is always 32 bits,
+         * and is generated by the second divide.
+         */
+        ACPI_DIV_64_BY_32 (0, Dividend.Part.Hi, Divisor.Part.Lo,
+                           Quotient.Part.Hi, Partial1);
+        ACPI_DIV_64_BY_32 (Partial1, Dividend.Part.Lo, Divisor.Part.Lo,
+                           Quotient.Part.Lo, Remainder.Part.Lo);
+    }
+
+    else
+    {
+        /*
+         * 2) The general case where the divisor is a full 64 bits
+         * is more difficult
+         */
+        Quotient.Part.Hi   = 0;
+        NormalizedDividend = Dividend;
+        NormalizedDivisor  = Divisor;
+
+        /* Normalize the operands (shift until the divisor is < 32 bits) */
+
+        do
+        {
+            ACPI_SHIFT_RIGHT_64 (NormalizedDivisor.Part.Hi,
+                                 NormalizedDivisor.Part.Lo);
+            ACPI_SHIFT_RIGHT_64 (NormalizedDividend.Part.Hi,
+                                 NormalizedDividend.Part.Lo);
+
+        } while (NormalizedDivisor.Part.Hi != 0);
+
+        /* Partial divide */
+
+        ACPI_DIV_64_BY_32 (NormalizedDividend.Part.Hi,
+                           NormalizedDividend.Part.Lo,
+                           NormalizedDivisor.Part.Lo,
+                           Quotient.Part.Lo, Partial1);
+
+        /*
+         * The quotient is always 32 bits, and simply requires adjustment.
+         * The 64-bit remainder must be generated.
+         */
+        Partial1      = Quotient.Part.Lo * Divisor.Part.Hi;
+        Partial2.Full = (UINT64) Quotient.Part.Lo * Divisor.Part.Lo;
+        Partial3.Full = (UINT64) Partial2.Part.Hi + Partial1;
+
+        Remainder.Part.Hi = Partial3.Part.Lo;
+        Remainder.Part.Lo = Partial2.Part.Lo;
+
+        if (Partial3.Part.Hi == 0)
+        {
+            if (Partial3.Part.Lo >= Dividend.Part.Hi)
+            {
+                if (Partial3.Part.Lo == Dividend.Part.Hi)
+                {
+                    if (Partial2.Part.Lo > Dividend.Part.Lo)
+                    {
+                        Quotient.Part.Lo--;
+                        Remainder.Full -= Divisor.Full;
+                    }
+                }
+                else
+                {
+                    Quotient.Part.Lo--;
+                    Remainder.Full -= Divisor.Full;
+                }
+            }
+
+            Remainder.Full    = Remainder.Full - Dividend.Full;
+            Remainder.Part.Hi = (UINT32) -((INT32) Remainder.Part.Hi);
+            Remainder.Part.Lo = (UINT32) -((INT32) Remainder.Part.Lo);
+
+            if (Remainder.Part.Lo)
+            {
+                Remainder.Part.Hi--;
+            }
+        }
+    }
+
+    /* Return only what was requested */
+
+    if (OutQuotient)
+    {
+        *OutQuotient = Quotient.Full;
+    }
+    if (OutRemainder)
+    {
+        *OutRemainder = Remainder.Full;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+#else
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtShortDivide, AcpiUtDivide
+ *
+ * PARAMETERS:  See function headers above
+ *
+ * DESCRIPTION: Native versions of the UtDivide functions. Use these if either
+ *              1) The target is a 64-bit platform and therefore 64-bit
+ *                 integer math is supported directly by the machine.
+ *              2) The target is a 32-bit or 16-bit platform, and the
+ *                 double-precision integer math library is available to
+ *                 perform the divide.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtShortDivide (
+    UINT64                  InDividend,
+    UINT32                  Divisor,
+    UINT64                  *OutQuotient,
+    UINT32                  *OutRemainder)
+{
+
+    ACPI_FUNCTION_TRACE (UtShortDivide);
+
+
+    /* Always check for a zero divisor */
+
+    if (Divisor == 0)
+    {
+        ACPI_ERROR ((AE_INFO, "Divide by zero"));
+        return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
+    }
+
+    /* Return only what was requested */
+
+    if (OutQuotient)
+    {
+        *OutQuotient = InDividend / Divisor;
+    }
+    if (OutRemainder)
+    {
+        *OutRemainder = (UINT32) (InDividend % Divisor);
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+ACPI_STATUS
+AcpiUtDivide (
+    UINT64                  InDividend,
+    UINT64                  InDivisor,
+    UINT64                  *OutQuotient,
+    UINT64                  *OutRemainder)
+{
+    ACPI_FUNCTION_TRACE (UtDivide);
+
+
+    /* Always check for a zero divisor */
+
+    if (InDivisor == 0)
+    {
+        ACPI_ERROR ((AE_INFO, "Divide by zero"));
+        return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
+    }
+
+
+    /* Return only what was requested */
+
+    if (OutQuotient)
+    {
+        *OutQuotient = InDividend / InDivisor;
+    }
+    if (OutRemainder)
+    {
+        *OutRemainder = InDividend % InDivisor;
+    }
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+#endif
+
+
diff --git a/source/components/utilities/utmisc.c b/source/components/utilities/utmisc.c
new file mode 100644
index 000000000000..062c768e72a0
--- /dev/null
+++ b/source/components/utilities/utmisc.c
@@ -0,0 +1,1299 @@
+/*******************************************************************************
+ *
+ * Module Name: utmisc - common utility procedures
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#define __UTMISC_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utmisc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidateException
+ *
+ * PARAMETERS:  Status       - The ACPI_STATUS code to be formatted
+ *
+ * RETURN:      A string containing the exception text. NULL if exception is
+ *              not valid.
+ *
+ * DESCRIPTION: This function validates and translates an ACPI exception into
+ *              an ASCII string.
+ *
+ ******************************************************************************/
+
+const char *
+AcpiUtValidateException (
+    ACPI_STATUS             Status)
+{
+    UINT32                  SubStatus;
+    const char              *Exception = NULL;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * Status is composed of two parts, a "type" and an actual code
+     */
+    SubStatus = (Status & ~AE_CODE_MASK);
+
+    switch (Status & AE_CODE_MASK)
+    {
+    case AE_CODE_ENVIRONMENTAL:
+
+        if (SubStatus <= AE_CODE_ENV_MAX)
+        {
+            Exception = AcpiGbl_ExceptionNames_Env [SubStatus];
+        }
+        break;
+
+    case AE_CODE_PROGRAMMER:
+
+        if (SubStatus <= AE_CODE_PGM_MAX)
+        {
+            Exception = AcpiGbl_ExceptionNames_Pgm [SubStatus];
+        }
+        break;
+
+    case AE_CODE_ACPI_TABLES:
+
+        if (SubStatus <= AE_CODE_TBL_MAX)
+        {
+            Exception = AcpiGbl_ExceptionNames_Tbl [SubStatus];
+        }
+        break;
+
+    case AE_CODE_AML:
+
+        if (SubStatus <= AE_CODE_AML_MAX)
+        {
+            Exception = AcpiGbl_ExceptionNames_Aml [SubStatus];
+        }
+        break;
+
+    case AE_CODE_CONTROL:
+
+        if (SubStatus <= AE_CODE_CTRL_MAX)
+        {
+            Exception = AcpiGbl_ExceptionNames_Ctrl [SubStatus];
+        }
+        break;
+
+    default:
+        break;
+    }
+
+    return (ACPI_CAST_PTR (const char, Exception));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtIsPciRootBridge
+ *
+ * PARAMETERS:  Id              - The HID/CID in string format
+ *
+ * RETURN:      TRUE if the Id is a match for a PCI/PCI-Express Root Bridge
+ *
+ * DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiUtIsPciRootBridge (
+    char                    *Id)
+{
+
+    /*
+     * Check if this is a PCI root bridge.
+     * ACPI 3.0+: check for a PCI Express root also.
+     */
+    if (!(ACPI_STRCMP (Id,
+            PCI_ROOT_HID_STRING)) ||
+
+        !(ACPI_STRCMP (Id,
+            PCI_EXPRESS_ROOT_HID_STRING)))
+    {
+        return (TRUE);
+    }
+
+    return (FALSE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtIsAmlTable
+ *
+ * PARAMETERS:  Table               - An ACPI table
+ *
+ * RETURN:      TRUE if table contains executable AML; FALSE otherwise
+ *
+ * DESCRIPTION: Check ACPI Signature for a table that contains AML code.
+ *              Currently, these are DSDT,SSDT,PSDT. All other table types are
+ *              data tables that do not contain AML code.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiUtIsAmlTable (
+    ACPI_TABLE_HEADER       *Table)
+{
+
+    /* These are the only tables that contain executable AML */
+
+    if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT) ||
+        ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_PSDT) ||
+        ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_SSDT))
+    {
+        return (TRUE);
+    }
+
+    return (FALSE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocateOwnerId
+ *
+ * PARAMETERS:  OwnerId         - Where the new owner ID is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Allocate a table or method owner ID. The owner ID is used to
+ *              track objects created by the table or method, to be deleted
+ *              when the method exits or the table is unloaded.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtAllocateOwnerId (
+    ACPI_OWNER_ID           *OwnerId)
+{
+    UINT32                  i;
+    UINT32                  j;
+    UINT32                  k;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtAllocateOwnerId);
+
+
+    /* Guard against multiple allocations of ID to the same location */
+
+    if (*OwnerId)
+    {
+        ACPI_ERROR ((AE_INFO, "Owner ID [0x%2.2X] already exists", *OwnerId));
+        return_ACPI_STATUS (AE_ALREADY_EXISTS);
+    }
+
+    /* Mutex for the global ID mask */
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Find a free owner ID, cycle through all possible IDs on repeated
+     * allocations. (ACPI_NUM_OWNERID_MASKS + 1) because first index may have
+     * to be scanned twice.
+     */
+    for (i = 0, j = AcpiGbl_LastOwnerIdIndex;
+         i < (ACPI_NUM_OWNERID_MASKS + 1);
+         i++, j++)
+    {
+        if (j >= ACPI_NUM_OWNERID_MASKS)
+        {
+            j = 0;  /* Wraparound to start of mask array */
+        }
+
+        for (k = AcpiGbl_NextOwnerIdOffset; k < 32; k++)
+        {
+            if (AcpiGbl_OwnerIdMask[j] == ACPI_UINT32_MAX)
+            {
+                /* There are no free IDs in this mask */
+
+                break;
+            }
+
+            if (!(AcpiGbl_OwnerIdMask[j] & (1 << k)))
+            {
+                /*
+                 * Found a free ID. The actual ID is the bit index plus one,
+                 * making zero an invalid Owner ID. Save this as the last ID
+                 * allocated and update the global ID mask.
+                 */
+                AcpiGbl_OwnerIdMask[j] |= (1 << k);
+
+                AcpiGbl_LastOwnerIdIndex = (UINT8) j;
+                AcpiGbl_NextOwnerIdOffset = (UINT8) (k + 1);
+
+                /*
+                 * Construct encoded ID from the index and bit position
+                 *
+                 * Note: Last [j].k (bit 255) is never used and is marked
+                 * permanently allocated (prevents +1 overflow)
+                 */
+                *OwnerId = (ACPI_OWNER_ID) ((k + 1) + ACPI_MUL_32 (j));
+
+                ACPI_DEBUG_PRINT ((ACPI_DB_VALUES,
+                    "Allocated OwnerId: %2.2X\n", (unsigned int) *OwnerId));
+                goto Exit;
+            }
+        }
+
+        AcpiGbl_NextOwnerIdOffset = 0;
+    }
+
+    /*
+     * All OwnerIds have been allocated. This typically should
+     * not happen since the IDs are reused after deallocation. The IDs are
+     * allocated upon table load (one per table) and method execution, and
+     * they are released when a table is unloaded or a method completes
+     * execution.
+     *
+     * If this error happens, there may be very deep nesting of invoked control
+     * methods, or there may be a bug where the IDs are not released.
+     */
+    Status = AE_OWNER_ID_LIMIT;
+    ACPI_ERROR ((AE_INFO,
+        "Could not allocate new OwnerId (255 max), AE_OWNER_ID_LIMIT"));
+
+Exit:
+    (void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtReleaseOwnerId
+ *
+ * PARAMETERS:  OwnerIdPtr          - Pointer to a previously allocated OwnerID
+ *
+ * RETURN:      None. No error is returned because we are either exiting a
+ *              control method or unloading a table. Either way, we would
+ *              ignore any error anyway.
+ *
+ * DESCRIPTION: Release a table or method owner ID.  Valid IDs are 1 - 255
+ *
+ ******************************************************************************/
+
+void
+AcpiUtReleaseOwnerId (
+    ACPI_OWNER_ID           *OwnerIdPtr)
+{
+    ACPI_OWNER_ID           OwnerId = *OwnerIdPtr;
+    ACPI_STATUS             Status;
+    UINT32                  Index;
+    UINT32                  Bit;
+
+
+    ACPI_FUNCTION_TRACE_U32 (UtReleaseOwnerId, OwnerId);
+
+
+    /* Always clear the input OwnerId (zero is an invalid ID) */
+
+    *OwnerIdPtr = 0;
+
+    /* Zero is not a valid OwnerID */
+
+    if (OwnerId == 0)
+    {
+        ACPI_ERROR ((AE_INFO, "Invalid OwnerId: 0x%2.2X", OwnerId));
+        return_VOID;
+    }
+
+    /* Mutex for the global ID mask */
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
+    if (ACPI_FAILURE (Status))
+    {
+        return_VOID;
+    }
+
+    /* Normalize the ID to zero */
+
+    OwnerId--;
+
+    /* Decode ID to index/offset pair */
+
+    Index = ACPI_DIV_32 (OwnerId);
+    Bit = 1 << ACPI_MOD_32 (OwnerId);
+
+    /* Free the owner ID only if it is valid */
+
+    if (AcpiGbl_OwnerIdMask[Index] & Bit)
+    {
+        AcpiGbl_OwnerIdMask[Index] ^= Bit;
+    }
+    else
+    {
+        ACPI_ERROR ((AE_INFO,
+            "Release of non-allocated OwnerId: 0x%2.2X", OwnerId + 1));
+    }
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrupr (strupr)
+ *
+ * PARAMETERS:  SrcString       - The source string to convert
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Convert string to uppercase
+ *
+ * NOTE: This is not a POSIX function, so it appears here, not in utclib.c
+ *
+ ******************************************************************************/
+
+void
+AcpiUtStrupr (
+    char                    *SrcString)
+{
+    char                    *String;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!SrcString)
+    {
+        return;
+    }
+
+    /* Walk entire string, uppercasing the letters */
+
+    for (String = SrcString; *String; String++)
+    {
+        *String = (char) ACPI_TOUPPER (*String);
+    }
+
+    return;
+}
+
+
+#ifdef ACPI_ASL_COMPILER
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrlwr (strlwr)
+ *
+ * PARAMETERS:  SrcString       - The source string to convert
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Convert string to lowercase
+ *
+ * NOTE: This is not a POSIX function, so it appears here, not in utclib.c
+ *
+ ******************************************************************************/
+
+void
+AcpiUtStrlwr (
+    char                    *SrcString)
+{
+    char                    *String;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if (!SrcString)
+    {
+        return;
+    }
+
+    /* Walk entire string, lowercasing the letters */
+
+    for (String = SrcString; *String; String++)
+    {
+        *String = (char) ACPI_TOLOWER (*String);
+    }
+
+    return;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStricmp
+ *
+ * PARAMETERS:  String1             - first string to compare
+ *              String2             - second string to compare
+ *
+ * RETURN:      int that signifies string relationship. Zero means strings
+ *              are equal.
+ *
+ * DESCRIPTION: Implementation of the non-ANSI stricmp function (compare
+ *              strings with no case sensitivity)
+ *
+ ******************************************************************************/
+
+int
+AcpiUtStricmp (
+    char                    *String1,
+    char                    *String2)
+{
+    int                     c1;
+    int                     c2;
+
+
+    do
+    {
+        c1 = tolower ((int) *String1);
+        c2 = tolower ((int) *String2);
+
+        String1++;
+        String2++;
+    }
+    while ((c1 == c2) && (c1));
+
+    return (c1 - c2);
+}
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtPrintString
+ *
+ * PARAMETERS:  String          - Null terminated ASCII string
+ *              MaxLength       - Maximum output length
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Dump an ASCII string with support for ACPI-defined escape
+ *              sequences.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtPrintString (
+    char                    *String,
+    UINT8                   MaxLength)
+{
+    UINT32                  i;
+
+
+    if (!String)
+    {
+        AcpiOsPrintf ("<\"NULL STRING PTR\">");
+        return;
+    }
+
+    AcpiOsPrintf ("\"");
+    for (i = 0; String[i] && (i < MaxLength); i++)
+    {
+        /* Escape sequences */
+
+        switch (String[i])
+        {
+        case 0x07:
+            AcpiOsPrintf ("\\a");       /* BELL */
+            break;
+
+        case 0x08:
+            AcpiOsPrintf ("\\b");       /* BACKSPACE */
+            break;
+
+        case 0x0C:
+            AcpiOsPrintf ("\\f");       /* FORMFEED */
+            break;
+
+        case 0x0A:
+            AcpiOsPrintf ("\\n");       /* LINEFEED */
+            break;
+
+        case 0x0D:
+            AcpiOsPrintf ("\\r");       /* CARRIAGE RETURN*/
+            break;
+
+        case 0x09:
+            AcpiOsPrintf ("\\t");       /* HORIZONTAL TAB */
+            break;
+
+        case 0x0B:
+            AcpiOsPrintf ("\\v");       /* VERTICAL TAB */
+            break;
+
+        case '\'':                      /* Single Quote */
+        case '\"':                      /* Double Quote */
+        case '\\':                      /* Backslash */
+            AcpiOsPrintf ("\\%c", (int) String[i]);
+            break;
+
+        default:
+
+            /* Check for printable character or hex escape */
+
+            if (ACPI_IS_PRINT (String[i]))
+            {
+                /* This is a normal character */
+
+                AcpiOsPrintf ("%c", (int) String[i]);
+            }
+            else
+            {
+                /* All others will be Hex escapes */
+
+                AcpiOsPrintf ("\\x%2.2X", (INT32) String[i]);
+            }
+            break;
+        }
+    }
+    AcpiOsPrintf ("\"");
+
+    if (i == MaxLength && String[i])
+    {
+        AcpiOsPrintf ("...");
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDwordByteSwap
+ *
+ * PARAMETERS:  Value           - Value to be converted
+ *
+ * RETURN:      UINT32 integer with bytes swapped
+ *
+ * DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes)
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiUtDwordByteSwap (
+    UINT32                  Value)
+{
+    union
+    {
+        UINT32              Value;
+        UINT8               Bytes[4];
+    } Out;
+    union
+    {
+        UINT32              Value;
+        UINT8               Bytes[4];
+    } In;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    In.Value = Value;
+
+    Out.Bytes[0] = In.Bytes[3];
+    Out.Bytes[1] = In.Bytes[2];
+    Out.Bytes[2] = In.Bytes[1];
+    Out.Bytes[3] = In.Bytes[0];
+
+    return (Out.Value);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtSetIntegerWidth
+ *
+ * PARAMETERS:  Revision            From DSDT header
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set the global integer bit width based upon the revision
+ *              of the DSDT.  For Revision 1 and 0, Integers are 32 bits.
+ *              For Revision 2 and above, Integers are 64 bits.  Yes, this
+ *              makes a difference.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtSetIntegerWidth (
+    UINT8                   Revision)
+{
+
+    if (Revision < 2)
+    {
+        /* 32-bit case */
+
+        AcpiGbl_IntegerBitWidth    = 32;
+        AcpiGbl_IntegerNybbleWidth = 8;
+        AcpiGbl_IntegerByteWidth   = 4;
+    }
+    else
+    {
+        /* 64-bit case (ACPI 2.0+) */
+
+        AcpiGbl_IntegerBitWidth    = 64;
+        AcpiGbl_IntegerNybbleWidth = 16;
+        AcpiGbl_IntegerByteWidth   = 8;
+    }
+}
+
+
+#ifdef ACPI_DEBUG_OUTPUT
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDisplayInitPathname
+ *
+ * PARAMETERS:  Type                - Object type of the node
+ *              ObjHandle           - Handle whose pathname will be displayed
+ *              Path                - Additional path string to be appended.
+ *                                      (NULL if no extra path)
+ *
+ * RETURN:      ACPI_STATUS
+ *
+ * DESCRIPTION: Display full pathname of an object, DEBUG ONLY
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDisplayInitPathname (
+    UINT8                   Type,
+    ACPI_NAMESPACE_NODE     *ObjHandle,
+    char                    *Path)
+{
+    ACPI_STATUS             Status;
+    ACPI_BUFFER             Buffer;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Only print the path if the appropriate debug level is enabled */
+
+    if (!(AcpiDbgLevel & ACPI_LV_INIT_NAMES))
+    {
+        return;
+    }
+
+    /* Get the full pathname to the node */
+
+    Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
+    Status = AcpiNsHandleToPathname (ObjHandle, &Buffer);
+    if (ACPI_FAILURE (Status))
+    {
+        return;
+    }
+
+    /* Print what we're doing */
+
+    switch (Type)
+    {
+    case ACPI_TYPE_METHOD:
+        AcpiOsPrintf ("Executing    ");
+        break;
+
+    default:
+        AcpiOsPrintf ("Initializing ");
+        break;
+    }
+
+    /* Print the object type and pathname */
+
+    AcpiOsPrintf ("%-12s  %s",
+        AcpiUtGetTypeName (Type), (char *) Buffer.Pointer);
+
+    /* Extra path is used to append names like _STA, _INI, etc. */
+
+    if (Path)
+    {
+        AcpiOsPrintf (".%s", Path);
+    }
+    AcpiOsPrintf ("\n");
+
+    ACPI_FREE (Buffer.Pointer);
+}
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidAcpiChar
+ *
+ * PARAMETERS:  Char            - The character to be examined
+ *              Position        - Byte position (0-3)
+ *
+ * RETURN:      TRUE if the character is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI character. Must be one of:
+ *              1) Upper case alpha
+ *              2) numeric
+ *              3) underscore
+ *
+ *              We allow a '!' as the last character because of the ASF! table
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiUtValidAcpiChar (
+    char                    Character,
+    UINT32                  Position)
+{
+
+    if (!((Character >= 'A' && Character <= 'Z') ||
+          (Character >= '0' && Character <= '9') ||
+          (Character == '_')))
+    {
+        /* Allow a '!' in the last position */
+
+        if (Character == '!' && Position == 3)
+        {
+            return (TRUE);
+        }
+
+        return (FALSE);
+    }
+
+    return (TRUE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidAcpiName
+ *
+ * PARAMETERS:  Name            - The name to be examined
+ *
+ * RETURN:      TRUE if the name is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI name.  Each character must be one of:
+ *              1) Upper case alpha
+ *              2) numeric
+ *              3) underscore
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiUtValidAcpiName (
+    UINT32                  Name)
+{
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    for (i = 0; i < ACPI_NAME_SIZE; i++)
+    {
+        if (!AcpiUtValidAcpiChar ((ACPI_CAST_PTR (char, &Name))[i], i))
+        {
+            return (FALSE);
+        }
+    }
+
+    return (TRUE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtRepairName
+ *
+ * PARAMETERS:  Name            - The ACPI name to be repaired
+ *
+ * RETURN:      Repaired version of the name
+ *
+ * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and
+ *              return the new name. NOTE: the Name parameter must reside in
+ *              read/write memory, cannot be a const.
+ *
+ * An ACPI Name must consist of valid ACPI characters. We will repair the name
+ * if necessary because we don't want to abort because of this, but we want
+ * all namespace names to be printable. A warning message is appropriate.
+ *
+ * This issue came up because there are in fact machines that exhibit
+ * this problem, and we want to be able to enable ACPI support for them,
+ * even though there are a few bad names.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtRepairName (
+    char                    *Name)
+{
+    UINT32                  i;
+    BOOLEAN                 FoundBadChar = FALSE;
+
+
+    ACPI_FUNCTION_NAME (UtRepairName);
+
+
+    /* Check each character in the name */
+
+    for (i = 0; i < ACPI_NAME_SIZE; i++)
+    {
+        if (AcpiUtValidAcpiChar (Name[i], i))
+        {
+            continue;
+        }
+
+        /*
+         * Replace a bad character with something printable, yet technically
+         * still invalid. This prevents any collisions with existing "good"
+         * names in the namespace.
+         */
+        Name[i] = '*';
+        FoundBadChar = TRUE;
+    }
+
+    if (FoundBadChar)
+    {
+        /* Report warning only if in strict mode or debug mode */
+
+        if (!AcpiGbl_EnableInterpreterSlack)
+        {
+            ACPI_WARNING ((AE_INFO,
+                "Found bad character(s) in name, repaired: [%4.4s]\n", Name));
+        }
+        else
+        {
+            ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+                "Found bad character(s) in name, repaired: [%4.4s]\n", Name));
+        }
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtStrtoul64
+ *
+ * PARAMETERS:  String          - Null terminated string
+ *              Base            - Radix of the string: 16 or ACPI_ANY_BASE;
+ *                                ACPI_ANY_BASE means 'in behalf of ToInteger'
+ *              RetInteger      - Where the converted integer is returned
+ *
+ * RETURN:      Status and Converted value
+ *
+ * DESCRIPTION: Convert a string into an unsigned value. Performs either a
+ *              32-bit or 64-bit conversion, depending on the current mode
+ *              of the interpreter.
+ *              NOTE: Does not support Octal strings, not needed.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtStrtoul64 (
+    char                    *String,
+    UINT32                  Base,
+    UINT64                  *RetInteger)
+{
+    UINT32                  ThisDigit = 0;
+    UINT64                  ReturnValue = 0;
+    UINT64                  Quotient;
+    UINT64                  Dividend;
+    UINT32                  ToIntegerOp = (Base == ACPI_ANY_BASE);
+    UINT32                  Mode32 = (AcpiGbl_IntegerByteWidth == 4);
+    UINT8                   ValidDigits = 0;
+    UINT8                   SignOf0x = 0;
+    UINT8                   Term = 0;
+
+
+    ACPI_FUNCTION_TRACE_STR (UtStroul64, String);
+
+
+    switch (Base)
+    {
+    case ACPI_ANY_BASE:
+    case 16:
+        break;
+
+    default:
+        /* Invalid Base */
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    if (!String)
+    {
+        goto ErrorExit;
+    }
+
+    /* Skip over any white space in the buffer */
+
+    while ((*String) && (ACPI_IS_SPACE (*String) || *String == '\t'))
+    {
+        String++;
+    }
+
+    if (ToIntegerOp)
+    {
+        /*
+         * Base equal to ACPI_ANY_BASE means 'ToInteger operation case'.
+         * We need to determine if it is decimal or hexadecimal.
+         */
+        if ((*String == '0') && (ACPI_TOLOWER (*(String + 1)) == 'x'))
+        {
+            SignOf0x = 1;
+            Base = 16;
+
+            /* Skip over the leading '0x' */
+            String += 2;
+        }
+        else
+        {
+            Base = 10;
+        }
+    }
+
+    /* Any string left? Check that '0x' is not followed by white space. */
+
+    if (!(*String) || ACPI_IS_SPACE (*String) || *String == '\t')
+    {
+        if (ToIntegerOp)
+        {
+            goto ErrorExit;
+        }
+        else
+        {
+            goto AllDone;
+        }
+    }
+
+    /*
+     * Perform a 32-bit or 64-bit conversion, depending upon the current
+     * execution mode of the interpreter
+     */
+    Dividend = (Mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX;
+
+    /* Main loop: convert the string to a 32- or 64-bit integer */
+
+    while (*String)
+    {
+        if (ACPI_IS_DIGIT (*String))
+        {
+            /* Convert ASCII 0-9 to Decimal value */
+
+            ThisDigit = ((UINT8) *String) - '0';
+        }
+        else if (Base == 10)
+        {
+            /* Digit is out of range; possible in ToInteger case only */
+
+            Term = 1;
+        }
+        else
+        {
+            ThisDigit = (UINT8) ACPI_TOUPPER (*String);
+            if (ACPI_IS_XDIGIT ((char) ThisDigit))
+            {
+                /* Convert ASCII Hex char to value */
+
+                ThisDigit = ThisDigit - 'A' + 10;
+            }
+            else
+            {
+                Term = 1;
+            }
+        }
+
+        if (Term)
+        {
+            if (ToIntegerOp)
+            {
+                goto ErrorExit;
+            }
+            else
+            {
+                break;
+            }
+        }
+        else if ((ValidDigits == 0) && (ThisDigit == 0) && !SignOf0x)
+        {
+            /* Skip zeros */
+            String++;
+            continue;
+        }
+
+        ValidDigits++;
+
+        if (SignOf0x && ((ValidDigits > 16) || ((ValidDigits > 8) && Mode32)))
+        {
+            /*
+             * This is ToInteger operation case.
+             * No any restrictions for string-to-integer conversion,
+             * see ACPI spec.
+             */
+            goto ErrorExit;
+        }
+
+        /* Divide the digit into the correct position */
+
+        (void) AcpiUtShortDivide ((Dividend - (UINT64) ThisDigit),
+                    Base, &Quotient, NULL);
+
+        if (ReturnValue > Quotient)
+        {
+            if (ToIntegerOp)
+            {
+                goto ErrorExit;
+            }
+            else
+            {
+                break;
+            }
+        }
+
+        ReturnValue *= Base;
+        ReturnValue += ThisDigit;
+        String++;
+    }
+
+    /* All done, normal exit */
+
+AllDone:
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n",
+        ACPI_FORMAT_UINT64 (ReturnValue)));
+
+    *RetInteger = ReturnValue;
+    return_ACPI_STATUS (AE_OK);
+
+
+ErrorExit:
+    /* Base was set/validated above */
+
+    if (Base == 10)
+    {
+        return_ACPI_STATUS (AE_BAD_DECIMAL_CONSTANT);
+    }
+    else
+    {
+        return_ACPI_STATUS (AE_BAD_HEX_CONSTANT);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateUpdateStateAndPush
+ *
+ * PARAMETERS:  Object          - Object to be added to the new state
+ *              Action          - Increment/Decrement
+ *              StateList       - List the state will be added to
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCreateUpdateStateAndPush (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT16                  Action,
+    ACPI_GENERIC_STATE      **StateList)
+{
+    ACPI_GENERIC_STATE       *State;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Ignore null objects; these are expected */
+
+    if (!Object)
+    {
+        return (AE_OK);
+    }
+
+    State = AcpiUtCreateUpdateState (Object, Action);
+    if (!State)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    AcpiUtPushGenericState (StateList, State);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtWalkPackageTree
+ *
+ * PARAMETERS:  SourceObject        - The package to walk
+ *              TargetObject        - Target object (if package is being copied)
+ *              WalkCallback        - Called once for each package element
+ *              Context             - Passed to the callback function
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Walk through a package
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtWalkPackageTree (
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    void                    *TargetObject,
+    ACPI_PKG_CALLBACK       WalkCallback,
+    void                    *Context)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_GENERIC_STATE      *StateList = NULL;
+    ACPI_GENERIC_STATE      *State;
+    UINT32                  ThisIndex;
+    ACPI_OPERAND_OBJECT     *ThisSourceObj;
+
+
+    ACPI_FUNCTION_TRACE (UtWalkPackageTree);
+
+
+    State = AcpiUtCreatePkgState (SourceObject, TargetObject, 0);
+    if (!State)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    while (State)
+    {
+        /* Get one element of the package */
+
+        ThisIndex     = State->Pkg.Index;
+        ThisSourceObj = (ACPI_OPERAND_OBJECT *)
+                        State->Pkg.SourceObject->Package.Elements[ThisIndex];
+
+        /*
+         * Check for:
+         * 1) An uninitialized package element.  It is completely
+         *    legal to declare a package and leave it uninitialized
+         * 2) Not an internal object - can be a namespace node instead
+         * 3) Any type other than a package.  Packages are handled in else
+         *    case below.
+         */
+        if ((!ThisSourceObj) ||
+            (ACPI_GET_DESCRIPTOR_TYPE (ThisSourceObj) != ACPI_DESC_TYPE_OPERAND) ||
+            (ThisSourceObj->Common.Type != ACPI_TYPE_PACKAGE))
+        {
+            Status = WalkCallback (ACPI_COPY_TYPE_SIMPLE, ThisSourceObj,
+                                    State, Context);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+
+            State->Pkg.Index++;
+            while (State->Pkg.Index >= State->Pkg.SourceObject->Package.Count)
+            {
+                /*
+                 * We've handled all of the objects at this level,  This means
+                 * that we have just completed a package.  That package may
+                 * have contained one or more packages itself.
+                 *
+                 * Delete this state and pop the previous state (package).
+                 */
+                AcpiUtDeleteGenericState (State);
+                State = AcpiUtPopGenericState (&StateList);
+
+                /* Finished when there are no more states */
+
+                if (!State)
+                {
+                    /*
+                     * We have handled all of the objects in the top level
+                     * package just add the length of the package objects
+                     * and exit
+                     */
+                    return_ACPI_STATUS (AE_OK);
+                }
+
+                /*
+                 * Go back up a level and move the index past the just
+                 * completed package object.
+                 */
+                State->Pkg.Index++;
+            }
+        }
+        else
+        {
+            /* This is a subobject of type package */
+
+            Status = WalkCallback (ACPI_COPY_TYPE_PACKAGE, ThisSourceObj,
+                                        State, Context);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+
+            /*
+             * Push the current state and create a new one
+             * The callback above returned a new target package object.
+             */
+            AcpiUtPushGenericState (&StateList, State);
+            State = AcpiUtCreatePkgState (ThisSourceObj,
+                                            State->Pkg.ThisTargetObj, 0);
+            if (!State)
+            {
+                /* Free any stacked Update State objects */
+
+                while (StateList)
+                {
+                    State = AcpiUtPopGenericState (&StateList);
+                    AcpiUtDeleteGenericState (State);
+                }
+                return_ACPI_STATUS (AE_NO_MEMORY);
+            }
+        }
+    }
+
+    /* We should never get here */
+
+    return_ACPI_STATUS (AE_AML_INTERNAL);
+}
+
+
diff --git a/source/components/utilities/utmutex.c b/source/components/utilities/utmutex.c
new file mode 100644
index 000000000000..f1cdb0180442
--- /dev/null
+++ b/source/components/utilities/utmutex.c
@@ -0,0 +1,397 @@
+/*******************************************************************************
+ *
+ * Module Name: utmutex - local mutex support
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#define __UTMUTEX_C__
+
+#include "acpi.h"
+#include "accommon.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utmutex")
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiUtCreateMutex (
+    ACPI_MUTEX_HANDLE       MutexId);
+
+static void
+AcpiUtDeleteMutex (
+    ACPI_MUTEX_HANDLE       MutexId);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtMutexInitialize
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create the system mutex objects. This includes mutexes,
+ *              spin locks, and reader/writer locks.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtMutexInitialize (
+    void)
+{
+    UINT32                  i;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtMutexInitialize);
+
+
+    /* Create each of the predefined mutex objects */
+
+    for (i = 0; i < ACPI_NUM_MUTEX; i++)
+    {
+        Status = AcpiUtCreateMutex (i);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /* Create the spinlocks for use at interrupt level */
+
+    Status = AcpiOsCreateLock (&AcpiGbl_GpeLock);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    Status = AcpiOsCreateLock (&AcpiGbl_HardwareLock);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Mutex for _OSI support */
+    Status = AcpiOsCreateMutex (&AcpiGbl_OsiMutex);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Create the reader/writer lock for namespace access */
+
+    Status = AcpiUtCreateRwLock (&AcpiGbl_NamespaceRwLock);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtMutexTerminate
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Delete all of the system mutex objects. This includes mutexes,
+ *              spin locks, and reader/writer locks.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtMutexTerminate (
+    void)
+{
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE (UtMutexTerminate);
+
+
+    /* Delete each predefined mutex object */
+
+    for (i = 0; i < ACPI_NUM_MUTEX; i++)
+    {
+        AcpiUtDeleteMutex (i);
+    }
+
+    AcpiOsDeleteMutex (AcpiGbl_OsiMutex);
+
+    /* Delete the spinlocks */
+
+    AcpiOsDeleteLock (AcpiGbl_GpeLock);
+    AcpiOsDeleteLock (AcpiGbl_HardwareLock);
+
+    /* Delete the reader/writer lock */
+
+    AcpiUtDeleteRwLock (&AcpiGbl_NamespaceRwLock);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateMutex
+ *
+ * PARAMETERS:  MutexID         - ID of the mutex to be created
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a mutex object.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtCreateMutex (
+    ACPI_MUTEX_HANDLE       MutexId)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_U32 (UtCreateMutex, MutexId);
+
+
+    if (!AcpiGbl_MutexInfo[MutexId].Mutex)
+    {
+        Status = AcpiOsCreateMutex (&AcpiGbl_MutexInfo[MutexId].Mutex);
+        AcpiGbl_MutexInfo[MutexId].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
+        AcpiGbl_MutexInfo[MutexId].UseCount = 0;
+    }
+
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteMutex
+ *
+ * PARAMETERS:  MutexID         - ID of the mutex to be deleted
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Delete a mutex object.
+ *
+ ******************************************************************************/
+
+static void
+AcpiUtDeleteMutex (
+    ACPI_MUTEX_HANDLE       MutexId)
+{
+
+    ACPI_FUNCTION_TRACE_U32 (UtDeleteMutex, MutexId);
+
+
+    AcpiOsDeleteMutex (AcpiGbl_MutexInfo[MutexId].Mutex);
+
+    AcpiGbl_MutexInfo[MutexId].Mutex = NULL;
+    AcpiGbl_MutexInfo[MutexId].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAcquireMutex
+ *
+ * PARAMETERS:  MutexID         - ID of the mutex to be acquired
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Acquire a mutex object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtAcquireMutex (
+    ACPI_MUTEX_HANDLE       MutexId)
+{
+    ACPI_STATUS             Status;
+    ACPI_THREAD_ID          ThisThreadId;
+
+
+    ACPI_FUNCTION_NAME (UtAcquireMutex);
+
+
+    if (MutexId > ACPI_MAX_MUTEX)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    ThisThreadId = AcpiOsGetThreadId ();
+
+#ifdef ACPI_MUTEX_DEBUG
+    {
+        UINT32                  i;
+        /*
+         * Mutex debug code, for internal debugging only.
+         *
+         * Deadlock prevention.  Check if this thread owns any mutexes of value
+         * greater than or equal to this one.  If so, the thread has violated
+         * the mutex ordering rule.  This indicates a coding error somewhere in
+         * the ACPI subsystem code.
+         */
+        for (i = MutexId; i < ACPI_NUM_MUTEX; i++)
+        {
+            if (AcpiGbl_MutexInfo[i].ThreadId == ThisThreadId)
+            {
+                if (i == MutexId)
+                {
+                    ACPI_ERROR ((AE_INFO,
+                        "Mutex [%s] already acquired by this thread [%u]",
+                        AcpiUtGetMutexName (MutexId),
+                        (UINT32) ThisThreadId));
+
+                    return (AE_ALREADY_ACQUIRED);
+                }
+
+                ACPI_ERROR ((AE_INFO,
+                    "Invalid acquire order: Thread %u owns [%s], wants [%s]",
+                    (UINT32) ThisThreadId, AcpiUtGetMutexName (i),
+                    AcpiUtGetMutexName (MutexId)));
+
+                return (AE_ACQUIRE_DEADLOCK);
+            }
+        }
+    }
+#endif
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
+        "Thread %u attempting to acquire Mutex [%s]\n",
+        (UINT32) ThisThreadId, AcpiUtGetMutexName (MutexId)));
+
+    Status = AcpiOsAcquireMutex (AcpiGbl_MutexInfo[MutexId].Mutex,
+                ACPI_WAIT_FOREVER);
+    if (ACPI_SUCCESS (Status))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %u acquired Mutex [%s]\n",
+            (UINT32) ThisThreadId, AcpiUtGetMutexName (MutexId)));
+
+        AcpiGbl_MutexInfo[MutexId].UseCount++;
+        AcpiGbl_MutexInfo[MutexId].ThreadId = ThisThreadId;
+    }
+    else
+    {
+        ACPI_EXCEPTION ((AE_INFO, Status,
+            "Thread %u could not acquire Mutex [0x%X]",
+            (UINT32) ThisThreadId, MutexId));
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtReleaseMutex
+ *
+ * PARAMETERS:  MutexID         - ID of the mutex to be released
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Release a mutex object.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtReleaseMutex (
+    ACPI_MUTEX_HANDLE       MutexId)
+{
+    ACPI_FUNCTION_NAME (UtReleaseMutex);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %u releasing Mutex [%s]\n",
+        (UINT32) AcpiOsGetThreadId (), AcpiUtGetMutexName (MutexId)));
+
+    if (MutexId > ACPI_MAX_MUTEX)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Mutex must be acquired in order to release it!
+     */
+    if (AcpiGbl_MutexInfo[MutexId].ThreadId == ACPI_MUTEX_NOT_ACQUIRED)
+    {
+        ACPI_ERROR ((AE_INFO,
+            "Mutex [0x%X] is not acquired, cannot release", MutexId));
+
+        return (AE_NOT_ACQUIRED);
+    }
+
+#ifdef ACPI_MUTEX_DEBUG
+    {
+        UINT32                  i;
+        /*
+         * Mutex debug code, for internal debugging only.
+         *
+         * Deadlock prevention.  Check if this thread owns any mutexes of value
+         * greater than this one.  If so, the thread has violated the mutex
+         * ordering rule.  This indicates a coding error somewhere in
+         * the ACPI subsystem code.
+         */
+        for (i = MutexId; i < ACPI_NUM_MUTEX; i++)
+        {
+            if (AcpiGbl_MutexInfo[i].ThreadId == AcpiOsGetThreadId ())
+            {
+                if (i == MutexId)
+                {
+                    continue;
+                }
+
+                ACPI_ERROR ((AE_INFO,
+                    "Invalid release order: owns [%s], releasing [%s]",
+                    AcpiUtGetMutexName (i), AcpiUtGetMutexName (MutexId)));
+
+                return (AE_RELEASE_DEADLOCK);
+            }
+        }
+    }
+#endif
+
+    /* Mark unlocked FIRST */
+
+    AcpiGbl_MutexInfo[MutexId].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
+
+    AcpiOsReleaseMutex (AcpiGbl_MutexInfo[MutexId].Mutex);
+    return (AE_OK);
+}
+
+
diff --git a/source/components/utilities/utobject.c b/source/components/utilities/utobject.c
new file mode 100644
index 000000000000..fea140946c2c
--- /dev/null
+++ b/source/components/utilities/utobject.c
@@ -0,0 +1,787 @@
+/******************************************************************************
+ *
+ * Module Name: utobject - ACPI object create/delete/size/cache routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTOBJECT_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utobject")
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiUtGetSimpleObjectSize (
+    ACPI_OPERAND_OBJECT     *Obj,
+    ACPI_SIZE               *ObjLength);
+
+static ACPI_STATUS
+AcpiUtGetPackageObjectSize (
+    ACPI_OPERAND_OBJECT     *Obj,
+    ACPI_SIZE               *ObjLength);
+
+static ACPI_STATUS
+AcpiUtGetElementLength (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateInternalObjectDbg
+ *
+ * PARAMETERS:  ModuleName          - Source file name of caller
+ *              LineNumber          - Line number of caller
+ *              ComponentId         - Component type of caller
+ *              Type                - ACPI Type of the new object
+ *
+ * RETURN:      A new internal object, null on failure
+ *
+ * DESCRIPTION: Create and initialize a new internal object.
+ *
+ * NOTE:        We always allocate the worst-case object descriptor because
+ *              these objects are cached, and we want them to be
+ *              one-size-satisifies-any-request.  This in itself may not be
+ *              the most memory efficient, but the efficiency of the object
+ *              cache should more than make up for this!
+ *
+ ******************************************************************************/
+
+ACPI_OPERAND_OBJECT  *
+AcpiUtCreateInternalObjectDbg (
+    const char              *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId,
+    ACPI_OBJECT_TYPE        Type)
+{
+    ACPI_OPERAND_OBJECT     *Object;
+    ACPI_OPERAND_OBJECT     *SecondObject;
+
+
+    ACPI_FUNCTION_TRACE_STR (UtCreateInternalObjectDbg,
+        AcpiUtGetTypeName (Type));
+
+
+    /* Allocate the raw object descriptor */
+
+    Object = AcpiUtAllocateObjectDescDbg (ModuleName, LineNumber, ComponentId);
+    if (!Object)
+    {
+        return_PTR (NULL);
+    }
+
+    switch (Type)
+    {
+    case ACPI_TYPE_REGION:
+    case ACPI_TYPE_BUFFER_FIELD:
+    case ACPI_TYPE_LOCAL_BANK_FIELD:
+
+        /* These types require a secondary object */
+
+        SecondObject = AcpiUtAllocateObjectDescDbg (ModuleName,
+                            LineNumber, ComponentId);
+        if (!SecondObject)
+        {
+            AcpiUtDeleteObjectDesc (Object);
+            return_PTR (NULL);
+        }
+
+        SecondObject->Common.Type = ACPI_TYPE_LOCAL_EXTRA;
+        SecondObject->Common.ReferenceCount = 1;
+
+        /* Link the second object to the first */
+
+        Object->Common.NextObject = SecondObject;
+        break;
+
+    default:
+        /* All others have no secondary object */
+        break;
+    }
+
+    /* Save the object type in the object descriptor */
+
+    Object->Common.Type = (UINT8) Type;
+
+    /* Init the reference count */
+
+    Object->Common.ReferenceCount = 1;
+
+    /* Any per-type initialization should go here */
+
+    return_PTR (Object);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreatePackageObject
+ *
+ * PARAMETERS:  Count               - Number of package elements
+ *
+ * RETURN:      Pointer to a new Package object, null on failure
+ *
+ * DESCRIPTION: Create a fully initialized package object
+ *
+ ******************************************************************************/
+
+ACPI_OPERAND_OBJECT *
+AcpiUtCreatePackageObject (
+    UINT32                  Count)
+{
+    ACPI_OPERAND_OBJECT     *PackageDesc;
+    ACPI_OPERAND_OBJECT     **PackageElements;
+
+
+    ACPI_FUNCTION_TRACE_U32 (UtCreatePackageObject, Count);
+
+
+    /* Create a new Package object */
+
+    PackageDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PACKAGE);
+    if (!PackageDesc)
+    {
+        return_PTR (NULL);
+    }
+
+    /*
+     * Create the element array. Count+1 allows the array to be null
+     * terminated.
+     */
+    PackageElements = ACPI_ALLOCATE_ZEROED (
+                        ((ACPI_SIZE) Count + 1) * sizeof (void *));
+    if (!PackageElements)
+    {
+        ACPI_FREE (PackageDesc);
+        return_PTR (NULL);
+    }
+
+    PackageDesc->Package.Count = Count;
+    PackageDesc->Package.Elements = PackageElements;
+    return_PTR (PackageDesc);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateIntegerObject
+ *
+ * PARAMETERS:  InitialValue        - Initial value for the integer
+ *
+ * RETURN:      Pointer to a new Integer object, null on failure
+ *
+ * DESCRIPTION: Create an initialized integer object
+ *
+ ******************************************************************************/
+
+ACPI_OPERAND_OBJECT *
+AcpiUtCreateIntegerObject (
+    UINT64                  InitialValue)
+{
+    ACPI_OPERAND_OBJECT     *IntegerDesc;
+
+
+    ACPI_FUNCTION_TRACE (UtCreateIntegerObject);
+
+
+    /* Create and initialize a new integer object */
+
+    IntegerDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+    if (!IntegerDesc)
+    {
+        return_PTR (NULL);
+    }
+
+    IntegerDesc->Integer.Value = InitialValue;
+    return_PTR (IntegerDesc);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateBufferObject
+ *
+ * PARAMETERS:  BufferSize             - Size of buffer to be created
+ *
+ * RETURN:      Pointer to a new Buffer object, null on failure
+ *
+ * DESCRIPTION: Create a fully initialized buffer object
+ *
+ ******************************************************************************/
+
+ACPI_OPERAND_OBJECT *
+AcpiUtCreateBufferObject (
+    ACPI_SIZE               BufferSize)
+{
+    ACPI_OPERAND_OBJECT     *BufferDesc;
+    UINT8                   *Buffer = NULL;
+
+
+    ACPI_FUNCTION_TRACE_U32 (UtCreateBufferObject, BufferSize);
+
+
+    /* Create a new Buffer object */
+
+    BufferDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
+    if (!BufferDesc)
+    {
+        return_PTR (NULL);
+    }
+
+    /* Create an actual buffer only if size > 0 */
+
+    if (BufferSize > 0)
+    {
+        /* Allocate the actual buffer */
+
+        Buffer = ACPI_ALLOCATE_ZEROED (BufferSize);
+        if (!Buffer)
+        {
+            ACPI_ERROR ((AE_INFO, "Could not allocate size %u",
+                (UINT32) BufferSize));
+            AcpiUtRemoveReference (BufferDesc);
+            return_PTR (NULL);
+        }
+    }
+
+    /* Complete buffer object initialization */
+
+    BufferDesc->Buffer.Flags |= AOPOBJ_DATA_VALID;
+    BufferDesc->Buffer.Pointer = Buffer;
+    BufferDesc->Buffer.Length = (UINT32) BufferSize;
+
+    /* Return the new buffer descriptor */
+
+    return_PTR (BufferDesc);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateStringObject
+ *
+ * PARAMETERS:  StringSize          - Size of string to be created. Does not
+ *                                    include NULL terminator, this is added
+ *                                    automatically.
+ *
+ * RETURN:      Pointer to a new String object
+ *
+ * DESCRIPTION: Create a fully initialized string object
+ *
+ ******************************************************************************/
+
+ACPI_OPERAND_OBJECT *
+AcpiUtCreateStringObject (
+    ACPI_SIZE               StringSize)
+{
+    ACPI_OPERAND_OBJECT     *StringDesc;
+    char                    *String;
+
+
+    ACPI_FUNCTION_TRACE_U32 (UtCreateStringObject, StringSize);
+
+
+    /* Create a new String object */
+
+    StringDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING);
+    if (!StringDesc)
+    {
+        return_PTR (NULL);
+    }
+
+    /*
+     * Allocate the actual string buffer -- (Size + 1) for NULL terminator.
+     * NOTE: Zero-length strings are NULL terminated
+     */
+    String = ACPI_ALLOCATE_ZEROED (StringSize + 1);
+    if (!String)
+    {
+        ACPI_ERROR ((AE_INFO, "Could not allocate size %u",
+            (UINT32) StringSize));
+        AcpiUtRemoveReference (StringDesc);
+        return_PTR (NULL);
+    }
+
+    /* Complete string object initialization */
+
+    StringDesc->String.Pointer = String;
+    StringDesc->String.Length = (UINT32) StringSize;
+
+    /* Return the new string descriptor */
+
+    return_PTR (StringDesc);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidInternalObject
+ *
+ * PARAMETERS:  Object              - Object to be validated
+ *
+ * RETURN:      TRUE if object is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Validate a pointer to be an ACPI_OPERAND_OBJECT
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiUtValidInternalObject (
+    void                    *Object)
+{
+
+    ACPI_FUNCTION_NAME (UtValidInternalObject);
+
+
+    /* Check for a null pointer */
+
+    if (!Object)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "**** Null Object Ptr\n"));
+        return (FALSE);
+    }
+
+    /* Check the descriptor type field */
+
+    switch (ACPI_GET_DESCRIPTOR_TYPE (Object))
+    {
+    case ACPI_DESC_TYPE_OPERAND:
+
+        /* The object appears to be a valid ACPI_OPERAND_OBJECT  */
+
+        return (TRUE);
+
+    default:
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+                "%p is not not an ACPI operand obj [%s]\n",
+                Object, AcpiUtGetDescriptorName (Object)));
+        break;
+    }
+
+    return (FALSE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocateObjectDescDbg
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              ComponentId         - Caller's component ID (for error output)
+ *
+ * RETURN:      Pointer to newly allocated object descriptor.  Null on error
+ *
+ * DESCRIPTION: Allocate a new object descriptor.  Gracefully handle
+ *              error conditions.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtAllocateObjectDescDbg (
+    const char              *ModuleName,
+    UINT32                  LineNumber,
+    UINT32                  ComponentId)
+{
+    ACPI_OPERAND_OBJECT     *Object;
+
+
+    ACPI_FUNCTION_TRACE (UtAllocateObjectDescDbg);
+
+
+    Object = AcpiOsAcquireObject (AcpiGbl_OperandCache);
+    if (!Object)
+    {
+        ACPI_ERROR ((ModuleName, LineNumber,
+            "Could not allocate an object descriptor"));
+
+        return_PTR (NULL);
+    }
+
+    /* Mark the descriptor type */
+
+    ACPI_SET_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_OPERAND);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n",
+            Object, (UINT32) sizeof (ACPI_OPERAND_OBJECT)));
+
+    return_PTR (Object);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteObjectDesc
+ *
+ * PARAMETERS:  Object          - An Acpi internal object to be deleted
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Free an ACPI object descriptor or add it to the object cache
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteObjectDesc (
+    ACPI_OPERAND_OBJECT     *Object)
+{
+    ACPI_FUNCTION_TRACE_PTR (UtDeleteObjectDesc, Object);
+
+
+    /* Object must be an ACPI_OPERAND_OBJECT  */
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
+    {
+        ACPI_ERROR ((AE_INFO,
+            "%p is not an ACPI Operand object [%s]", Object,
+            AcpiUtGetDescriptorName (Object)));
+        return_VOID;
+    }
+
+    (void) AcpiOsReleaseObject (AcpiGbl_OperandCache, Object);
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetSimpleObjectSize
+ *
+ * PARAMETERS:  InternalObject     - An ACPI operand object
+ *              ObjLength          - Where the length is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to determine the space required to
+ *              contain a simple object for return to an external user.
+ *
+ *              The length includes the object structure plus any additional
+ *              needed space.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtGetSimpleObjectSize (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    ACPI_SIZE               *ObjLength)
+{
+    ACPI_SIZE               Length;
+    ACPI_SIZE               Size;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_PTR (UtGetSimpleObjectSize, InternalObject);
+
+
+    /* Start with the length of the (external) Acpi object */
+
+    Length = sizeof (ACPI_OBJECT);
+
+    /* A NULL object is allowed, can be a legal uninitialized package element */
+
+    if (!InternalObject)
+    {
+        /*
+         * Object is NULL, just return the length of ACPI_OBJECT
+         * (A NULL ACPI_OBJECT is an object of all zeroes.)
+         */
+        *ObjLength = ACPI_ROUND_UP_TO_NATIVE_WORD (Length);
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* A Namespace Node should never appear here */
+
+    if (ACPI_GET_DESCRIPTOR_TYPE (InternalObject) == ACPI_DESC_TYPE_NAMED)
+    {
+        /* A namespace node should never get here */
+
+        return_ACPI_STATUS (AE_AML_INTERNAL);
+    }
+
+    /*
+     * The final length depends on the object type
+     * Strings and Buffers are packed right up against the parent object and
+     * must be accessed bytewise or there may be alignment problems on
+     * certain processors
+     */
+    switch (InternalObject->Common.Type)
+    {
+    case ACPI_TYPE_STRING:
+
+        Length += (ACPI_SIZE) InternalObject->String.Length + 1;
+        break;
+
+
+    case ACPI_TYPE_BUFFER:
+
+        Length += (ACPI_SIZE) InternalObject->Buffer.Length;
+        break;
+
+
+    case ACPI_TYPE_INTEGER:
+    case ACPI_TYPE_PROCESSOR:
+    case ACPI_TYPE_POWER:
+
+        /* No extra data for these types */
+
+        break;
+
+
+    case ACPI_TYPE_LOCAL_REFERENCE:
+
+        switch (InternalObject->Reference.Class)
+        {
+        case ACPI_REFCLASS_NAME:
+
+            /*
+             * Get the actual length of the full pathname to this object.
+             * The reference will be converted to the pathname to the object
+             */
+            Size = AcpiNsGetPathnameLength (InternalObject->Reference.Node);
+            if (!Size)
+            {
+                return_ACPI_STATUS (AE_BAD_PARAMETER);
+            }
+
+            Length += ACPI_ROUND_UP_TO_NATIVE_WORD (Size);
+            break;
+
+        default:
+
+            /*
+             * No other reference opcodes are supported.
+             * Notably, Locals and Args are not supported, but this may be
+             * required eventually.
+             */
+            ACPI_ERROR ((AE_INFO, "Cannot convert to external object - "
+                "unsupported Reference Class [%s] 0x%X in object %p",
+                AcpiUtGetReferenceName (InternalObject),
+                InternalObject->Reference.Class, InternalObject));
+            Status = AE_TYPE;
+            break;
+        }
+        break;
+
+
+    default:
+
+        ACPI_ERROR ((AE_INFO, "Cannot convert to external object - "
+            "unsupported type [%s] 0x%X in object %p",
+            AcpiUtGetObjectTypeName (InternalObject),
+            InternalObject->Common.Type, InternalObject));
+        Status = AE_TYPE;
+        break;
+    }
+
+    /*
+     * Account for the space required by the object rounded up to the next
+     * multiple of the machine word size.  This keeps each object aligned
+     * on a machine word boundary. (preventing alignment faults on some
+     * machines.)
+     */
+    *ObjLength = ACPI_ROUND_UP_TO_NATIVE_WORD (Length);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetElementLength
+ *
+ * PARAMETERS:  ACPI_PKG_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get the length of one package element.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtGetElementLength (
+    UINT8                   ObjectType,
+    ACPI_OPERAND_OBJECT     *SourceObject,
+    ACPI_GENERIC_STATE      *State,
+    void                    *Context)
+{
+    ACPI_STATUS             Status = AE_OK;
+    ACPI_PKG_INFO           *Info = (ACPI_PKG_INFO *) Context;
+    ACPI_SIZE               ObjectSpace;
+
+
+    switch (ObjectType)
+    {
+    case ACPI_COPY_TYPE_SIMPLE:
+
+        /*
+         * Simple object - just get the size (Null object/entry is handled
+         * here also) and sum it into the running package length
+         */
+        Status = AcpiUtGetSimpleObjectSize (SourceObject, &ObjectSpace);
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+
+        Info->Length += ObjectSpace;
+        break;
+
+
+    case ACPI_COPY_TYPE_PACKAGE:
+
+        /* Package object - nothing much to do here, let the walk handle it */
+
+        Info->NumPackages++;
+        State->Pkg.ThisTargetObj = NULL;
+        break;
+
+
+    default:
+
+        /* No other types allowed */
+
+        return (AE_BAD_PARAMETER);
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetPackageObjectSize
+ *
+ * PARAMETERS:  InternalObject      - An ACPI internal object
+ *              ObjLength           - Where the length is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to determine the space required to
+ *              contain a package object for return to an external user.
+ *
+ *              This is moderately complex since a package contains other
+ *              objects including packages.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtGetPackageObjectSize (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    ACPI_SIZE               *ObjLength)
+{
+    ACPI_STATUS             Status;
+    ACPI_PKG_INFO           Info;
+
+
+    ACPI_FUNCTION_TRACE_PTR (UtGetPackageObjectSize, InternalObject);
+
+
+    Info.Length      = 0;
+    Info.ObjectSpace = 0;
+    Info.NumPackages = 1;
+
+    Status = AcpiUtWalkPackageTree (InternalObject, NULL,
+                            AcpiUtGetElementLength, &Info);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * We have handled all of the objects in all levels of the package.
+     * just add the length of the package objects themselves.
+     * Round up to the next machine word.
+     */
+    Info.Length += ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT)) *
+                    (ACPI_SIZE) Info.NumPackages;
+
+    /* Return the total package length */
+
+    *ObjLength = Info.Length;
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetObjectSize
+ *
+ * PARAMETERS:  InternalObject      - An ACPI internal object
+ *              ObjLength           - Where the length will be returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: This function is called to determine the space required to
+ *              contain an object for return to an API user.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtGetObjectSize (
+    ACPI_OPERAND_OBJECT     *InternalObject,
+    ACPI_SIZE               *ObjLength)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    if ((ACPI_GET_DESCRIPTOR_TYPE (InternalObject) == ACPI_DESC_TYPE_OPERAND) &&
+        (InternalObject->Common.Type == ACPI_TYPE_PACKAGE))
+    {
+        Status = AcpiUtGetPackageObjectSize (InternalObject, ObjLength);
+    }
+    else
+    {
+        Status = AcpiUtGetSimpleObjectSize (InternalObject, ObjLength);
+    }
+
+    return (Status);
+}
+
+
diff --git a/source/components/utilities/utosi.c b/source/components/utilities/utosi.c
new file mode 100644
index 000000000000..dcce8a99e18a
--- /dev/null
+++ b/source/components/utilities/utosi.c
@@ -0,0 +1,422 @@
+/******************************************************************************
+ *
+ * Module Name: utosi - Support for the _OSI predefined control method
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTOSI_C__
+
+#include "acpi.h"
+#include "accommon.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utosi")
+
+/*
+ * Strings supported by the _OSI predefined control method (which is
+ * implemented internally within this module.)
+ *
+ * March 2009: Removed "Linux" as this host no longer wants to respond true
+ * for this string. Basically, the only safe OS strings are windows-related
+ * and in many or most cases represent the only test path within the
+ * BIOS-provided ASL code.
+ *
+ * The last element of each entry is used to track the newest version of
+ * Windows that the BIOS has requested.
+ */
+static ACPI_INTERFACE_INFO    AcpiDefaultSupportedInterfaces[] =
+{
+    /* Operating System Vendor Strings */
+
+    {"Windows 2000",        NULL, 0, ACPI_OSI_WIN_2000},         /* Windows 2000 */
+    {"Windows 2001",        NULL, 0, ACPI_OSI_WIN_XP},           /* Windows XP */
+    {"Windows 2001 SP1",    NULL, 0, ACPI_OSI_WIN_XP_SP1},       /* Windows XP SP1 */
+    {"Windows 2001.1",      NULL, 0, ACPI_OSI_WINSRV_2003},      /* Windows Server 2003 */
+    {"Windows 2001 SP2",    NULL, 0, ACPI_OSI_WIN_XP_SP2},       /* Windows XP SP2 */
+    {"Windows 2001.1 SP1",  NULL, 0, ACPI_OSI_WINSRV_2003_SP1},  /* Windows Server 2003 SP1 - Added 03/2006 */
+    {"Windows 2006",        NULL, 0, ACPI_OSI_WIN_VISTA},        /* Windows Vista - Added 03/2006 */
+    {"Windows 2006.1",      NULL, 0, ACPI_OSI_WINSRV_2008},      /* Windows Server 2008 - Added 09/2009 */
+    {"Windows 2006 SP1",    NULL, 0, ACPI_OSI_WIN_VISTA_SP1},    /* Windows Vista SP1 - Added 09/2009 */
+    {"Windows 2006 SP2",    NULL, 0, ACPI_OSI_WIN_VISTA_SP2},    /* Windows Vista SP2 - Added 09/2010 */
+    {"Windows 2009",        NULL, 0, ACPI_OSI_WIN_7},            /* Windows 7 and Server 2008 R2 - Added 09/2009 */
+
+    /* Feature Group Strings */
+
+    {"Extended Address Space Descriptor", NULL, 0, 0}
+
+    /*
+     * All "optional" feature group strings (features that are implemented
+     * by the host) should be dynamically added by the host via
+     * AcpiInstallInterface and should not be manually added here.
+     *
+     * Examples of optional feature group strings:
+     *
+     * "Module Device"
+     * "Processor Device"
+     * "3.0 Thermal Model"
+     * "3.0 _SCP Extensions"
+     * "Processor Aggregator Device"
+     */
+};
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtInitializeInterfaces
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initialize the global _OSI supported interfaces list
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtInitializeInterfaces (
+    void)
+{
+    UINT32                  i;
+
+
+    (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
+    AcpiGbl_SupportedInterfaces = AcpiDefaultSupportedInterfaces;
+
+    /* Link the static list of supported interfaces */
+
+    for (i = 0; i < (ACPI_ARRAY_LENGTH (AcpiDefaultSupportedInterfaces) - 1); i++)
+    {
+        AcpiDefaultSupportedInterfaces[i].Next =
+            &AcpiDefaultSupportedInterfaces[(ACPI_SIZE) i + 1];
+    }
+
+    AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtInterfaceTerminate
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Delete all interfaces in the global list. Sets
+ *              AcpiGbl_SupportedInterfaces to NULL.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtInterfaceTerminate (
+    void)
+{
+    ACPI_INTERFACE_INFO     *NextInterface;
+
+
+    (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
+    NextInterface = AcpiGbl_SupportedInterfaces;
+
+    while (NextInterface)
+    {
+        AcpiGbl_SupportedInterfaces = NextInterface->Next;
+
+        /* Only interfaces added at runtime can be freed */
+
+        if (NextInterface->Flags & ACPI_OSI_DYNAMIC)
+        {
+            ACPI_FREE (NextInterface->Name);
+            ACPI_FREE (NextInterface);
+        }
+
+        NextInterface = AcpiGbl_SupportedInterfaces;
+    }
+
+    AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtInstallInterface
+ *
+ * PARAMETERS:  InterfaceName       - The interface to install
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install the interface into the global interface list.
+ *              Caller MUST hold AcpiGbl_OsiMutex
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtInstallInterface (
+    ACPI_STRING             InterfaceName)
+{
+    ACPI_INTERFACE_INFO     *InterfaceInfo;
+
+
+    /* Allocate info block and space for the name string */
+
+    InterfaceInfo = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_INTERFACE_INFO));
+    if (!InterfaceInfo)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    InterfaceInfo->Name = ACPI_ALLOCATE_ZEROED (ACPI_STRLEN (InterfaceName) + 1);
+    if (!InterfaceInfo->Name)
+    {
+        ACPI_FREE (InterfaceInfo);
+        return (AE_NO_MEMORY);
+    }
+
+    /* Initialize new info and insert at the head of the global list */
+
+    ACPI_STRCPY (InterfaceInfo->Name, InterfaceName);
+    InterfaceInfo->Flags = ACPI_OSI_DYNAMIC;
+    InterfaceInfo->Next = AcpiGbl_SupportedInterfaces;
+
+    AcpiGbl_SupportedInterfaces = InterfaceInfo;
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtRemoveInterface
+ *
+ * PARAMETERS:  InterfaceName       - The interface to remove
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Remove the interface from the global interface list.
+ *              Caller MUST hold AcpiGbl_OsiMutex
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtRemoveInterface (
+    ACPI_STRING             InterfaceName)
+{
+    ACPI_INTERFACE_INFO     *PreviousInterface;
+    ACPI_INTERFACE_INFO     *NextInterface;
+
+
+    PreviousInterface = NextInterface = AcpiGbl_SupportedInterfaces;
+    while (NextInterface)
+    {
+        if (!ACPI_STRCMP (InterfaceName, NextInterface->Name))
+        {
+            /* Found: name is in either the static list or was added at runtime */
+
+            if (NextInterface->Flags & ACPI_OSI_DYNAMIC)
+            {
+                /* Interface was added dynamically, remove and free it */
+
+                if (PreviousInterface == NextInterface)
+                {
+                    AcpiGbl_SupportedInterfaces = NextInterface->Next;
+                }
+                else
+                {
+                    PreviousInterface->Next = NextInterface->Next;
+                }
+
+                ACPI_FREE (NextInterface->Name);
+                ACPI_FREE (NextInterface);
+            }
+            else
+            {
+                /*
+                 * Interface is in static list. If marked invalid, then it
+                 * does not actually exist. Else, mark it invalid.
+                 */
+                if (NextInterface->Flags & ACPI_OSI_INVALID)
+                {
+                    return (AE_NOT_EXIST);
+                }
+
+                NextInterface->Flags |= ACPI_OSI_INVALID;
+            }
+
+            return (AE_OK);
+        }
+
+        PreviousInterface = NextInterface;
+        NextInterface = NextInterface->Next;
+    }
+
+    /* Interface was not found */
+
+    return (AE_NOT_EXIST);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetInterface
+ *
+ * PARAMETERS:  InterfaceName       - The interface to find
+ *
+ * RETURN:      ACPI_INTERFACE_INFO if found. NULL if not found.
+ *
+ * DESCRIPTION: Search for the specified interface name in the global list.
+ *              Caller MUST hold AcpiGbl_OsiMutex
+ *
+ ******************************************************************************/
+
+ACPI_INTERFACE_INFO *
+AcpiUtGetInterface (
+    ACPI_STRING             InterfaceName)
+{
+    ACPI_INTERFACE_INFO     *NextInterface;
+
+
+    NextInterface = AcpiGbl_SupportedInterfaces;
+    while (NextInterface)
+    {
+        if (!ACPI_STRCMP (InterfaceName, NextInterface->Name))
+        {
+            return (NextInterface);
+        }
+
+        NextInterface = NextInterface->Next;
+    }
+
+    return (NULL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtOsiImplementation
+ *
+ * PARAMETERS:  WalkState           - Current walk state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Implementation of the _OSI predefined control method. When
+ *              an invocation of _OSI is encountered in the system AML,
+ *              control is transferred to this function.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtOsiImplementation (
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_OPERAND_OBJECT     *StringDesc;
+    ACPI_OPERAND_OBJECT     *ReturnDesc;
+    ACPI_INTERFACE_INFO     *InterfaceInfo;
+    ACPI_INTERFACE_HANDLER  InterfaceHandler;
+    UINT32                  ReturnValue;
+
+
+    ACPI_FUNCTION_TRACE (UtOsiImplementation);
+
+
+    /* Validate the string input argument (from the AML caller) */
+
+    StringDesc = WalkState->Arguments[0].Object;
+    if (!StringDesc ||
+        (StringDesc->Common.Type != ACPI_TYPE_STRING))
+    {
+        return_ACPI_STATUS (AE_TYPE);
+    }
+
+    /* Create a return object */
+
+    ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
+    if (!ReturnDesc)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Default return value is 0, NOT SUPPORTED */
+
+    ReturnValue = 0;
+    (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
+
+    /* Lookup the interface in the global _OSI list */
+
+    InterfaceInfo = AcpiUtGetInterface (StringDesc->String.Pointer);
+    if (InterfaceInfo &&
+        !(InterfaceInfo->Flags & ACPI_OSI_INVALID))
+    {
+        /*
+         * The interface is supported.
+         * Update the OsiData if necessary. We keep track of the latest
+         * version of Windows that has been requested by the BIOS.
+         */
+        if (InterfaceInfo->Value > AcpiGbl_OsiData)
+        {
+            AcpiGbl_OsiData = InterfaceInfo->Value;
+        }
+
+        ReturnValue = ACPI_UINT32_MAX;
+    }
+
+    AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
+
+    /*
+     * Invoke an optional _OSI interface handler. The host OS may wish
+     * to do some interface-specific handling. For example, warn about
+     * certain interfaces or override the true/false support value.
+     */
+    InterfaceHandler = AcpiGbl_InterfaceHandler;
+    if (InterfaceHandler)
+    {
+        ReturnValue = InterfaceHandler (
+            StringDesc->String.Pointer, ReturnValue);
+    }
+
+    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO,
+        "ACPI: BIOS _OSI(\"%s\") is %ssupported\n",
+        StringDesc->String.Pointer, ReturnValue == 0 ? "not " : ""));
+
+    /* Complete the return object */
+
+    ReturnDesc->Integer.Value = ReturnValue;
+    WalkState->ReturnDesc = ReturnDesc;
+    return_ACPI_STATUS (AE_OK);
+}
diff --git a/source/components/utilities/utresrc.c b/source/components/utilities/utresrc.c
new file mode 100644
index 000000000000..c2c135b7d233
--- /dev/null
+++ b/source/components/utilities/utresrc.c
@@ -0,0 +1,923 @@
+/*******************************************************************************
+ *
+ * Module Name: utresrc - Resource managment utilities
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#define __UTRESRC_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acresrc.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utresrc")
+
+
+#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
+
+/*
+ * Strings used to decode resource descriptors.
+ * Used by both the disasssembler and the debugger resource dump routines
+ */
+const char                      *AcpiGbl_BmDecode[] =
+{
+    "NotBusMaster",
+    "BusMaster"
+};
+
+const char                      *AcpiGbl_ConfigDecode[] =
+{
+    "0 - Good Configuration",
+    "1 - Acceptable Configuration",
+    "2 - Suboptimal Configuration",
+    "3 - ***Invalid Configuration***",
+};
+
+const char                      *AcpiGbl_ConsumeDecode[] =
+{
+    "ResourceProducer",
+    "ResourceConsumer"
+};
+
+const char                      *AcpiGbl_DecDecode[] =
+{
+    "PosDecode",
+    "SubDecode"
+};
+
+const char                      *AcpiGbl_HeDecode[] =
+{
+    "Level",
+    "Edge"
+};
+
+const char                      *AcpiGbl_IoDecode[] =
+{
+    "Decode10",
+    "Decode16"
+};
+
+const char                      *AcpiGbl_LlDecode[] =
+{
+    "ActiveHigh",
+    "ActiveLow"
+};
+
+const char                      *AcpiGbl_MaxDecode[] =
+{
+    "MaxNotFixed",
+    "MaxFixed"
+};
+
+const char                      *AcpiGbl_MemDecode[] =
+{
+    "NonCacheable",
+    "Cacheable",
+    "WriteCombining",
+    "Prefetchable"
+};
+
+const char                      *AcpiGbl_MinDecode[] =
+{
+    "MinNotFixed",
+    "MinFixed"
+};
+
+const char                      *AcpiGbl_MtpDecode[] =
+{
+    "AddressRangeMemory",
+    "AddressRangeReserved",
+    "AddressRangeACPI",
+    "AddressRangeNVS"
+};
+
+const char                      *AcpiGbl_RngDecode[] =
+{
+    "InvalidRanges",
+    "NonISAOnlyRanges",
+    "ISAOnlyRanges",
+    "EntireRange"
+};
+
+const char                      *AcpiGbl_RwDecode[] =
+{
+    "ReadOnly",
+    "ReadWrite"
+};
+
+const char                      *AcpiGbl_ShrDecode[] =
+{
+    "Exclusive",
+    "Shared"
+};
+
+const char                      *AcpiGbl_SizDecode[] =
+{
+    "Transfer8",
+    "Transfer8_16",
+    "Transfer16",
+    "InvalidSize"
+};
+
+const char                      *AcpiGbl_TrsDecode[] =
+{
+    "DenseTranslation",
+    "SparseTranslation"
+};
+
+const char                      *AcpiGbl_TtpDecode[] =
+{
+    "TypeStatic",
+    "TypeTranslation"
+};
+
+const char                      *AcpiGbl_TypDecode[] =
+{
+    "Compatibility",
+    "TypeA",
+    "TypeB",
+    "TypeF"
+};
+
+const char                      *AcpiGbl_PpcDecode[] =
+{
+    "PullDefault",
+    "PullUp",
+    "PullDown",
+    "PullNone"
+};
+
+const char                      *AcpiGbl_IorDecode[] =
+{
+    "IoRestrictionNone",
+    "IoRestrictionInputOnly",
+    "IoRestrictionOutputOnly",
+    "IoRestrictionNoneAndPreserve"
+};
+
+const char                      *AcpiGbl_DtsDecode[] =
+{
+    "Width8bit",
+    "Width16bit",
+    "Width32bit",
+    "Width64bit",
+    "Width128bit",
+    "Width256bit",
+};
+
+/* GPIO connection type */
+
+const char                      *AcpiGbl_CtDecode[] =
+{
+    "Interrupt",
+    "I/O"
+};
+
+/* Serial bus type */
+
+const char                      *AcpiGbl_SbtDecode[] =
+{
+    "/* UNKNOWN serial bus type */",
+    "I2C",
+    "SPI",
+    "UART"
+};
+
+/* I2C serial bus access mode */
+
+const char                      *AcpiGbl_AmDecode[] =
+{
+    "AddressingMode7Bit",
+    "AddressingMode10Bit"
+};
+
+/* I2C serial bus slave mode */
+
+const char                      *AcpiGbl_SmDecode[] =
+{
+    "ControllerInitiated",
+    "DeviceInitiated"
+};
+
+/* SPI serial bus wire mode */
+
+const char                      *AcpiGbl_WmDecode[] =
+{
+    "FourWireMode",
+    "ThreeWireMode"
+};
+
+/* SPI serial clock phase */
+
+const char                      *AcpiGbl_CphDecode[] =
+{
+    "ClockPhaseFirst",
+    "ClockPhaseSecond"
+};
+
+/* SPI serial bus clock polarity */
+
+const char                      *AcpiGbl_CpoDecode[] =
+{
+    "ClockPolarityLow",
+    "ClockPolarityHigh"
+};
+
+/* SPI serial bus device polarity */
+
+const char                      *AcpiGbl_DpDecode[] =
+{
+    "PolarityLow",
+    "PolarityHigh"
+};
+
+/* UART serial bus endian */
+
+const char                      *AcpiGbl_EdDecode[] =
+{
+    "LittleEndian",
+    "BigEndian"
+};
+
+/* UART serial bus bits per byte */
+
+const char                      *AcpiGbl_BpbDecode[] =
+{
+    "DataBitsFive",
+    "DataBitsSix",
+    "DataBitsSeven",
+    "DataBitsEight",
+    "DataBitsNine",
+    "/* UNKNOWN Bits per byte */",
+    "/* UNKNOWN Bits per byte */",
+    "/* UNKNOWN Bits per byte */"
+};
+
+/* UART serial bus stop bits */
+
+const char                      *AcpiGbl_SbDecode[] =
+{
+    "StopBitsNone",
+    "StopBitsOne",
+    "StopBitsOnePlusHalf",
+    "StopBitsTwo"
+};
+
+/* UART serial bus flow control */
+
+const char                      *AcpiGbl_FcDecode[] =
+{
+    "FlowControlNone",
+    "FlowControlHardware",
+    "FlowControlXON",
+    "/* UNKNOWN flow control keyword */"
+};
+
+/* UART serial bus parity type */
+
+const char                      *AcpiGbl_PtDecode[] =
+{
+    "ParityTypeNone",
+    "ParityTypeEven",
+    "ParityTypeOdd",
+    "ParityTypeMark",
+    "ParityTypeSpace",
+    "/* UNKNOWN parity keyword */",
+    "/* UNKNOWN parity keyword */",
+    "/* UNKNOWN parity keyword */"
+};
+
+#endif
+
+
+/*
+ * Base sizes of the raw AML resource descriptors, indexed by resource type.
+ * Zero indicates a reserved (and therefore invalid) resource type.
+ */
+const UINT8                 AcpiGbl_ResourceAmlSizes[] =
+{
+    /* Small descriptors */
+
+    0,
+    0,
+    0,
+    0,
+    ACPI_AML_SIZE_SMALL (AML_RESOURCE_IRQ),
+    ACPI_AML_SIZE_SMALL (AML_RESOURCE_DMA),
+    ACPI_AML_SIZE_SMALL (AML_RESOURCE_START_DEPENDENT),
+    ACPI_AML_SIZE_SMALL (AML_RESOURCE_END_DEPENDENT),
+    ACPI_AML_SIZE_SMALL (AML_RESOURCE_IO),
+    ACPI_AML_SIZE_SMALL (AML_RESOURCE_FIXED_IO),
+    ACPI_AML_SIZE_SMALL (AML_RESOURCE_FIXED_DMA),
+    0,
+    0,
+    0,
+    ACPI_AML_SIZE_SMALL (AML_RESOURCE_VENDOR_SMALL),
+    ACPI_AML_SIZE_SMALL (AML_RESOURCE_END_TAG),
+
+    /* Large descriptors */
+
+    0,
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_MEMORY24),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_GENERIC_REGISTER),
+    0,
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_VENDOR_LARGE),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_MEMORY32),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_FIXED_MEMORY32),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_ADDRESS32),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_ADDRESS16),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_EXTENDED_IRQ),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_ADDRESS64),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_EXTENDED_ADDRESS64),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_GPIO),
+    0,
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_COMMON_SERIALBUS),
+};
+
+const UINT8                 AcpiGbl_ResourceAmlSerialBusSizes[] =
+{
+    0,
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_I2C_SERIALBUS),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_SPI_SERIALBUS),
+    ACPI_AML_SIZE_LARGE (AML_RESOURCE_UART_SERIALBUS),
+};
+
+
+/*
+ * Resource types, used to validate the resource length field.
+ * The length of fixed-length types must match exactly, variable
+ * lengths must meet the minimum required length, etc.
+ * Zero indicates a reserved (and therefore invalid) resource type.
+ */
+static const UINT8          AcpiGbl_ResourceTypes[] =
+{
+    /* Small descriptors */
+
+    0,
+    0,
+    0,
+    0,
+    ACPI_SMALL_VARIABLE_LENGTH,     /* 04 IRQ */
+    ACPI_FIXED_LENGTH,              /* 05 DMA */
+    ACPI_SMALL_VARIABLE_LENGTH,     /* 06 StartDependentFunctions */
+    ACPI_FIXED_LENGTH,              /* 07 EndDependentFunctions */
+    ACPI_FIXED_LENGTH,              /* 08 IO */
+    ACPI_FIXED_LENGTH,              /* 09 FixedIO */
+    ACPI_FIXED_LENGTH,              /* 0A FixedDMA */
+    0,
+    0,
+    0,
+    ACPI_VARIABLE_LENGTH,           /* 0E VendorShort */
+    ACPI_FIXED_LENGTH,              /* 0F EndTag */
+
+    /* Large descriptors */
+
+    0,
+    ACPI_FIXED_LENGTH,              /* 01 Memory24 */
+    ACPI_FIXED_LENGTH,              /* 02 GenericRegister */
+    0,
+    ACPI_VARIABLE_LENGTH,           /* 04 VendorLong */
+    ACPI_FIXED_LENGTH,              /* 05 Memory32 */
+    ACPI_FIXED_LENGTH,              /* 06 Memory32Fixed */
+    ACPI_VARIABLE_LENGTH,           /* 07 Dword* address */
+    ACPI_VARIABLE_LENGTH,           /* 08 Word* address */
+    ACPI_VARIABLE_LENGTH,           /* 09 ExtendedIRQ */
+    ACPI_VARIABLE_LENGTH,           /* 0A Qword* address */
+    ACPI_FIXED_LENGTH,              /* 0B Extended* address */
+    ACPI_VARIABLE_LENGTH,           /* 0C Gpio* */
+    0,
+    ACPI_VARIABLE_LENGTH            /* 0E *SerialBus */
+};
+
+/*
+ * For the iASL compiler/disassembler, we don't want any error messages
+ * because the disassembler uses the resource validation code to determine
+ * if Buffer objects are actually Resource Templates.
+ */
+#ifdef ACPI_ASL_COMPILER
+#define ACPI_RESOURCE_ERROR(plist)
+#else
+#define ACPI_RESOURCE_ERROR(plist)  ACPI_ERROR(plist)
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtWalkAmlResources
+ *
+ * PARAMETERS:  Aml             - Pointer to the raw AML resource template
+ *              AmlLength       - Length of the entire template
+ *              UserFunction    - Called once for each descriptor found. If
+ *                                NULL, a pointer to the EndTag is returned
+ *              Context         - Passed to UserFunction
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Walk a raw AML resource list(buffer). User function called
+ *              once for each resource found.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtWalkAmlResources (
+    UINT8                   *Aml,
+    ACPI_SIZE               AmlLength,
+    ACPI_WALK_AML_CALLBACK  UserFunction,
+    void                    *Context)
+{
+    ACPI_STATUS             Status;
+    UINT8                   *EndAml;
+    UINT8                   ResourceIndex;
+    UINT32                  Length;
+    UINT32                  Offset = 0;
+    UINT8                   EndTag[2] = {0x79, 0x00};
+
+
+    ACPI_FUNCTION_TRACE (UtWalkAmlResources);
+
+
+    /* The absolute minimum resource template is one EndTag descriptor */
+
+    if (AmlLength < sizeof (AML_RESOURCE_END_TAG))
+    {
+        return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG);
+    }
+
+    /* Point to the end of the resource template buffer */
+
+    EndAml = Aml + AmlLength;
+
+    /* Walk the byte list, abort on any invalid descriptor type or length */
+
+    while (Aml < EndAml)
+    {
+        /* Validate the Resource Type and Resource Length */
+
+        Status = AcpiUtValidateResource (Aml, &ResourceIndex);
+        if (ACPI_FAILURE (Status))
+        {
+            /*
+             * Exit on failure. Cannot continue because the descriptor length
+             * may be bogus also.
+             */
+            return_ACPI_STATUS (Status);
+        }
+
+        /* Get the length of this descriptor */
+
+        Length = AcpiUtGetDescriptorLength (Aml);
+
+        /* Invoke the user function */
+
+        if (UserFunction)
+        {
+            Status = UserFunction (Aml, Length, Offset, ResourceIndex, Context);
+            if (ACPI_FAILURE (Status))
+            {
+                return_ACPI_STATUS (Status);
+            }
+        }
+
+        /* An EndTag descriptor terminates this resource template */
+
+        if (AcpiUtGetResourceType (Aml) == ACPI_RESOURCE_NAME_END_TAG)
+        {
+            /*
+             * There must be at least one more byte in the buffer for
+             * the 2nd byte of the EndTag
+             */
+            if ((Aml + 1) >= EndAml)
+            {
+                return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG);
+            }
+
+            /* Return the pointer to the EndTag if requested */
+
+            if (!UserFunction)
+            {
+                *(void **) Context = Aml;
+            }
+
+            /* Normal exit */
+
+            return_ACPI_STATUS (AE_OK);
+        }
+
+        Aml += Length;
+        Offset += Length;
+    }
+
+    /* Did not find an EndTag descriptor */
+
+    if (UserFunction)
+    {
+        /* Insert an EndTag anyway. AcpiRsGetListLength always leaves room */
+
+        (void) AcpiUtValidateResource (EndTag, &ResourceIndex);
+        Status = UserFunction (EndTag, 2, Offset, ResourceIndex, Context);
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidateResource
+ *
+ * PARAMETERS:  Aml             - Pointer to the raw AML resource descriptor
+ *              ReturnIndex     - Where the resource index is returned. NULL
+ *                                if the index is not required.
+ *
+ * RETURN:      Status, and optionally the Index into the global resource tables
+ *
+ * DESCRIPTION: Validate an AML resource descriptor by checking the Resource
+ *              Type and Resource Length. Returns an index into the global
+ *              resource information/dispatch tables for later use.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtValidateResource (
+    void                    *Aml,
+    UINT8                   *ReturnIndex)
+{
+    AML_RESOURCE            *AmlResource;
+    UINT8                   ResourceType;
+    UINT8                   ResourceIndex;
+    ACPI_RS_LENGTH          ResourceLength;
+    ACPI_RS_LENGTH          MinimumResourceLength;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * 1) Validate the ResourceType field (Byte 0)
+     */
+    ResourceType = ACPI_GET8 (Aml);
+
+    /*
+     * Byte 0 contains the descriptor name (Resource Type)
+     * Examine the large/small bit in the resource header
+     */
+    if (ResourceType & ACPI_RESOURCE_NAME_LARGE)
+    {
+        /* Verify the large resource type (name) against the max */
+
+        if (ResourceType > ACPI_RESOURCE_NAME_LARGE_MAX)
+        {
+            goto InvalidResource;
+        }
+
+        /*
+         * Large Resource Type -- bits 6:0 contain the name
+         * Translate range 0x80-0x8B to index range 0x10-0x1B
+         */
+        ResourceIndex = (UINT8) (ResourceType - 0x70);
+    }
+    else
+    {
+        /*
+         * Small Resource Type -- bits 6:3 contain the name
+         * Shift range to index range 0x00-0x0F
+         */
+        ResourceIndex = (UINT8)
+            ((ResourceType & ACPI_RESOURCE_NAME_SMALL_MASK) >> 3);
+    }
+
+    /*
+     * Check validity of the resource type, via AcpiGbl_ResourceTypes. Zero
+     * indicates an invalid resource.
+     */
+    if (!AcpiGbl_ResourceTypes[ResourceIndex])
+    {
+        goto InvalidResource;
+    }
+
+    /*
+     * Validate the ResourceLength field. This ensures that the length
+     * is at least reasonable, and guarantees that it is non-zero.
+     */
+    ResourceLength = AcpiUtGetResourceLength (Aml);
+    MinimumResourceLength = AcpiGbl_ResourceAmlSizes[ResourceIndex];
+
+    /* Validate based upon the type of resource - fixed length or variable */
+
+    switch (AcpiGbl_ResourceTypes[ResourceIndex])
+    {
+    case ACPI_FIXED_LENGTH:
+
+        /* Fixed length resource, length must match exactly */
+
+        if (ResourceLength != MinimumResourceLength)
+        {
+            goto BadResourceLength;
+        }
+        break;
+
+    case ACPI_VARIABLE_LENGTH:
+
+        /* Variable length resource, length must be at least the minimum */
+
+        if (ResourceLength < MinimumResourceLength)
+        {
+            goto BadResourceLength;
+        }
+        break;
+
+    case ACPI_SMALL_VARIABLE_LENGTH:
+
+        /* Small variable length resource, length can be (Min) or (Min-1) */
+
+        if ((ResourceLength > MinimumResourceLength) ||
+            (ResourceLength < (MinimumResourceLength - 1)))
+        {
+            goto BadResourceLength;
+        }
+        break;
+
+    default:
+
+        /* Shouldn't happen (because of validation earlier), but be sure */
+
+        goto InvalidResource;
+    }
+
+    AmlResource = ACPI_CAST_PTR (AML_RESOURCE, Aml);
+    if (ResourceType == ACPI_RESOURCE_NAME_SERIAL_BUS)
+    {
+        /* Validate the BusType field */
+
+        if ((AmlResource->CommonSerialBus.Type == 0) ||
+            (AmlResource->CommonSerialBus.Type > AML_RESOURCE_MAX_SERIALBUSTYPE))
+        {
+            ACPI_RESOURCE_ERROR ((AE_INFO,
+                "Invalid/unsupported SerialBus resource descriptor: BusType 0x%2.2X",
+                AmlResource->CommonSerialBus.Type));
+            return (AE_AML_INVALID_RESOURCE_TYPE);
+        }
+    }
+
+    /* Optionally return the resource table index */
+
+    if (ReturnIndex)
+    {
+        *ReturnIndex = ResourceIndex;
+    }
+
+    return (AE_OK);
+
+
+InvalidResource:
+
+    ACPI_RESOURCE_ERROR ((AE_INFO,
+        "Invalid/unsupported resource descriptor: Type 0x%2.2X",
+        ResourceType));
+    return (AE_AML_INVALID_RESOURCE_TYPE);
+
+BadResourceLength:
+
+    ACPI_RESOURCE_ERROR ((AE_INFO,
+        "Invalid resource descriptor length: Type "
+        "0x%2.2X, Length 0x%4.4X, MinLength 0x%4.4X",
+        ResourceType, ResourceLength, MinimumResourceLength));
+    return (AE_AML_BAD_RESOURCE_LENGTH);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetResourceType
+ *
+ * PARAMETERS:  Aml             - Pointer to the raw AML resource descriptor
+ *
+ * RETURN:      The Resource Type with no extraneous bits (except the
+ *              Large/Small descriptor bit -- this is left alone)
+ *
+ * DESCRIPTION: Extract the Resource Type/Name from the first byte of
+ *              a resource descriptor.
+ *
+ ******************************************************************************/
+
+UINT8
+AcpiUtGetResourceType (
+    void                    *Aml)
+{
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * Byte 0 contains the descriptor name (Resource Type)
+     * Examine the large/small bit in the resource header
+     */
+    if (ACPI_GET8 (Aml) & ACPI_RESOURCE_NAME_LARGE)
+    {
+        /* Large Resource Type -- bits 6:0 contain the name */
+
+        return (ACPI_GET8 (Aml));
+    }
+    else
+    {
+        /* Small Resource Type -- bits 6:3 contain the name */
+
+        return ((UINT8) (ACPI_GET8 (Aml) & ACPI_RESOURCE_NAME_SMALL_MASK));
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetResourceLength
+ *
+ * PARAMETERS:  Aml             - Pointer to the raw AML resource descriptor
+ *
+ * RETURN:      Byte Length
+ *
+ * DESCRIPTION: Get the "Resource Length" of a raw AML descriptor. By
+ *              definition, this does not include the size of the descriptor
+ *              header or the length field itself.
+ *
+ ******************************************************************************/
+
+UINT16
+AcpiUtGetResourceLength (
+    void                    *Aml)
+{
+    ACPI_RS_LENGTH          ResourceLength;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * Byte 0 contains the descriptor name (Resource Type)
+     * Examine the large/small bit in the resource header
+     */
+    if (ACPI_GET8 (Aml) & ACPI_RESOURCE_NAME_LARGE)
+    {
+        /* Large Resource type -- bytes 1-2 contain the 16-bit length */
+
+        ACPI_MOVE_16_TO_16 (&ResourceLength, ACPI_ADD_PTR (UINT8, Aml, 1));
+
+    }
+    else
+    {
+        /* Small Resource type -- bits 2:0 of byte 0 contain the length */
+
+        ResourceLength = (UINT16) (ACPI_GET8 (Aml) &
+                                    ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK);
+    }
+
+    return (ResourceLength);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetResourceHeaderLength
+ *
+ * PARAMETERS:  Aml             - Pointer to the raw AML resource descriptor
+ *
+ * RETURN:      Length of the AML header (depends on large/small descriptor)
+ *
+ * DESCRIPTION: Get the length of the header for this resource.
+ *
+ ******************************************************************************/
+
+UINT8
+AcpiUtGetResourceHeaderLength (
+    void                    *Aml)
+{
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Examine the large/small bit in the resource header */
+
+    if (ACPI_GET8 (Aml) & ACPI_RESOURCE_NAME_LARGE)
+    {
+        return (sizeof (AML_RESOURCE_LARGE_HEADER));
+    }
+    else
+    {
+        return (sizeof (AML_RESOURCE_SMALL_HEADER));
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetDescriptorLength
+ *
+ * PARAMETERS:  Aml             - Pointer to the raw AML resource descriptor
+ *
+ * RETURN:      Byte length
+ *
+ * DESCRIPTION: Get the total byte length of a raw AML descriptor, including the
+ *              length of the descriptor header and the length field itself.
+ *              Used to walk descriptor lists.
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiUtGetDescriptorLength (
+    void                    *Aml)
+{
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /*
+     * Get the Resource Length (does not include header length) and add
+     * the header length (depends on if this is a small or large resource)
+     */
+    return (AcpiUtGetResourceLength (Aml) +
+            AcpiUtGetResourceHeaderLength (Aml));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetResourceEndTag
+ *
+ * PARAMETERS:  ObjDesc         - The resource template buffer object
+ *              EndTag          - Where the pointer to the EndTag is returned
+ *
+ * RETURN:      Status, pointer to the end tag
+ *
+ * DESCRIPTION: Find the EndTag resource descriptor in an AML resource template
+ *              Note: allows a buffer length of zero.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtGetResourceEndTag (
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    UINT8                   **EndTag)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtGetResourceEndTag);
+
+
+    /* Allow a buffer length of zero */
+
+    if (!ObjDesc->Buffer.Length)
+    {
+        *EndTag = ObjDesc->Buffer.Pointer;
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Validate the template and get a pointer to the EndTag */
+
+    Status = AcpiUtWalkAmlResources (ObjDesc->Buffer.Pointer,
+                ObjDesc->Buffer.Length, NULL, EndTag);
+
+    return_ACPI_STATUS (Status);
+}
+
+
diff --git a/source/components/utilities/utstate.c b/source/components/utilities/utstate.c
new file mode 100644
index 000000000000..62a1aefec7d4
--- /dev/null
+++ b/source/components/utilities/utstate.c
@@ -0,0 +1,398 @@
+/*******************************************************************************
+ *
+ * Module Name: utstate - state object support procedures
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#define __UTSTATE_C__
+
+#include "acpi.h"
+#include "accommon.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utstate")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreatePkgStateAndPush
+ *
+ * PARAMETERS:  Object          - Object to be added to the new state
+ *              Action          - Increment/Decrement
+ *              StateList       - List the state will be added to
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCreatePkgStateAndPush (
+    void                    *InternalObject,
+    void                    *ExternalObject,
+    UINT16                  Index,
+    ACPI_GENERIC_STATE      **StateList)
+{
+    ACPI_GENERIC_STATE       *State;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    State = AcpiUtCreatePkgState (InternalObject, ExternalObject, Index);
+    if (!State)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    AcpiUtPushGenericState (StateList, State);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtPushGenericState
+ *
+ * PARAMETERS:  ListHead            - Head of the state stack
+ *              State               - State object to push
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Push a state object onto a state stack
+ *
+ ******************************************************************************/
+
+void
+AcpiUtPushGenericState (
+    ACPI_GENERIC_STATE      **ListHead,
+    ACPI_GENERIC_STATE      *State)
+{
+    ACPI_FUNCTION_TRACE (UtPushGenericState);
+
+
+    /* Push the state object onto the front of the list (stack) */
+
+    State->Common.Next = *ListHead;
+    *ListHead = State;
+
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtPopGenericState
+ *
+ * PARAMETERS:  ListHead            - Head of the state stack
+ *
+ * RETURN:      The popped state object
+ *
+ * DESCRIPTION: Pop a state object from a state stack
+ *
+ ******************************************************************************/
+
+ACPI_GENERIC_STATE *
+AcpiUtPopGenericState (
+    ACPI_GENERIC_STATE      **ListHead)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_TRACE (UtPopGenericState);
+
+
+    /* Remove the state object at the head of the list (stack) */
+
+    State = *ListHead;
+    if (State)
+    {
+        /* Update the list head */
+
+        *ListHead = State->Common.Next;
+    }
+
+    return_PTR (State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateGenericState
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      The new state object. NULL on failure.
+ *
+ * DESCRIPTION: Create a generic state object.  Attempt to obtain one from
+ *              the global state cache;  If none available, create a new one.
+ *
+ ******************************************************************************/
+
+ACPI_GENERIC_STATE *
+AcpiUtCreateGenericState (
+    void)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    State = AcpiOsAcquireObject (AcpiGbl_StateCache);
+    if (State)
+    {
+        /* Initialize */
+        State->Common.DescriptorType = ACPI_DESC_TYPE_STATE;
+    }
+
+    return (State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateThreadState
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      New Thread State. NULL on failure
+ *
+ * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
+ *              to track per-thread info during method execution
+ *
+ ******************************************************************************/
+
+ACPI_THREAD_STATE *
+AcpiUtCreateThreadState (
+    void)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_TRACE (UtCreateThreadState);
+
+
+    /* Create the generic state object */
+
+    State = AcpiUtCreateGenericState ();
+    if (!State)
+    {
+        return_PTR (NULL);
+    }
+
+    /* Init fields specific to the update struct */
+
+    State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_THREAD;
+    State->Thread.ThreadId = AcpiOsGetThreadId ();
+
+    /* Check for invalid thread ID - zero is very bad, it will break things */
+
+    if (!State->Thread.ThreadId)
+    {
+        ACPI_ERROR ((AE_INFO, "Invalid zero ID from AcpiOsGetThreadId"));
+        State->Thread.ThreadId = (ACPI_THREAD_ID) 1;
+    }
+
+    return_PTR ((ACPI_THREAD_STATE *) State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateUpdateState
+ *
+ * PARAMETERS:  Object          - Initial Object to be installed in the state
+ *              Action          - Update action to be performed
+ *
+ * RETURN:      New state object, null on failure
+ *
+ * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
+ *              to update reference counts and delete complex objects such
+ *              as packages.
+ *
+ ******************************************************************************/
+
+ACPI_GENERIC_STATE *
+AcpiUtCreateUpdateState (
+    ACPI_OPERAND_OBJECT     *Object,
+    UINT16                  Action)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_TRACE_PTR (UtCreateUpdateState, Object);
+
+
+    /* Create the generic state object */
+
+    State = AcpiUtCreateGenericState ();
+    if (!State)
+    {
+        return_PTR (NULL);
+    }
+
+    /* Init fields specific to the update struct */
+
+    State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_UPDATE;
+    State->Update.Object = Object;
+    State->Update.Value = Action;
+
+    return_PTR (State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreatePkgState
+ *
+ * PARAMETERS:  Object          - Initial Object to be installed in the state
+ *              Action          - Update action to be performed
+ *
+ * RETURN:      New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Package State"
+ *
+ ******************************************************************************/
+
+ACPI_GENERIC_STATE *
+AcpiUtCreatePkgState (
+    void                    *InternalObject,
+    void                    *ExternalObject,
+    UINT16                  Index)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_TRACE_PTR (UtCreatePkgState, InternalObject);
+
+
+    /* Create the generic state object */
+
+    State = AcpiUtCreateGenericState ();
+    if (!State)
+    {
+        return_PTR (NULL);
+    }
+
+    /* Init fields specific to the update struct */
+
+    State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_PACKAGE;
+    State->Pkg.SourceObject = (ACPI_OPERAND_OBJECT *) InternalObject;
+    State->Pkg.DestObject = ExternalObject;
+    State->Pkg.Index= Index;
+    State->Pkg.NumPackages = 1;
+
+    return_PTR (State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateControlState
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
+ *              to support nested IF/WHILE constructs in the AML.
+ *
+ ******************************************************************************/
+
+ACPI_GENERIC_STATE *
+AcpiUtCreateControlState (
+    void)
+{
+    ACPI_GENERIC_STATE      *State;
+
+
+    ACPI_FUNCTION_TRACE (UtCreateControlState);
+
+
+    /* Create the generic state object */
+
+    State = AcpiUtCreateGenericState ();
+    if (!State)
+    {
+        return_PTR (NULL);
+    }
+
+    /* Init fields specific to the control struct */
+
+    State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_CONTROL;
+    State->Common.State = ACPI_CONTROL_CONDITIONAL_EXECUTING;
+
+    return_PTR (State);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteGenericState
+ *
+ * PARAMETERS:  State               - The state object to be deleted
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Release a state object to the state cache. NULL state objects
+ *              are ignored.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDeleteGenericState (
+    ACPI_GENERIC_STATE      *State)
+{
+    ACPI_FUNCTION_TRACE (UtDeleteGenericState);
+
+
+    /* Ignore null state */
+
+    if (State)
+    {
+        (void) AcpiOsReleaseObject (AcpiGbl_StateCache, State);
+    }
+    return_VOID;
+}
+
+
diff --git a/source/components/utilities/uttrack.c b/source/components/utilities/uttrack.c
new file mode 100644
index 000000000000..106cc243ecde
--- /dev/null
+++ b/source/components/utilities/uttrack.c
@@ -0,0 +1,711 @@
+/******************************************************************************
+ *
+ * Module Name: uttrack - Memory allocation tracking routines (debug only)
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+/*
+ * These procedures are used for tracking memory leaks in the subsystem, and
+ * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
+ *
+ * Each memory allocation is tracked via a doubly linked list.  Each
+ * element contains the caller's component, module name, function name, and
+ * line number.  AcpiUtAllocate and AcpiUtAllocateZeroed call
+ * AcpiUtTrackAllocation to add an element to the list; deletion
+ * occurs in the body of AcpiUtFree.
+ */
+
+#define __UTTRACK_C__
+
+#include "acpi.h"
+#include "accommon.h"
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("uttrack")
+
+/* Local prototypes */
+
+static ACPI_DEBUG_MEM_BLOCK *
+AcpiUtFindAllocation (
+    void                    *Allocation);
+
+static ACPI_STATUS
+AcpiUtTrackAllocation (
+    ACPI_DEBUG_MEM_BLOCK    *Address,
+    ACPI_SIZE               Size,
+    UINT8                   AllocType,
+    UINT32                  Component,
+    const char              *Module,
+    UINT32                  Line);
+
+static ACPI_STATUS
+AcpiUtRemoveAllocation (
+    ACPI_DEBUG_MEM_BLOCK    *Address,
+    UINT32                  Component,
+    const char              *Module,
+    UINT32                  Line);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateList
+ *
+ * PARAMETERS:  CacheName       - Ascii name for the cache
+ *              ObjectSize      - Size of each cached object
+ *              ReturnCache     - Where the new cache object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a local memory list for tracking purposed
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCreateList (
+    char                    *ListName,
+    UINT16                  ObjectSize,
+    ACPI_MEMORY_LIST        **ReturnCache)
+{
+    ACPI_MEMORY_LIST        *Cache;
+
+
+    Cache = AcpiOsAllocate (sizeof (ACPI_MEMORY_LIST));
+    if (!Cache)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    ACPI_MEMSET (Cache, 0, sizeof (ACPI_MEMORY_LIST));
+
+    Cache->ListName   = ListName;
+    Cache->ObjectSize = ObjectSize;
+
+    *ReturnCache = Cache;
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocateAndTrack
+ *
+ * PARAMETERS:  Size                - Size of the allocation
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: The subsystem's equivalent of malloc.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtAllocateAndTrack (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    const char              *Module,
+    UINT32                  Line)
+{
+    ACPI_DEBUG_MEM_BLOCK    *Allocation;
+    ACPI_STATUS             Status;
+
+
+    Allocation = AcpiUtAllocate (Size + sizeof (ACPI_DEBUG_MEM_HEADER),
+                    Component, Module, Line);
+    if (!Allocation)
+    {
+        return (NULL);
+    }
+
+    Status = AcpiUtTrackAllocation (Allocation, Size,
+                    ACPI_MEM_MALLOC, Component, Module, Line);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsFree (Allocation);
+        return (NULL);
+    }
+
+    AcpiGbl_GlobalList->TotalAllocated++;
+    AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
+    AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;
+    if (AcpiGbl_GlobalList->CurrentTotalSize > AcpiGbl_GlobalList->MaxOccupied)
+    {
+        AcpiGbl_GlobalList->MaxOccupied = AcpiGbl_GlobalList->CurrentTotalSize;
+    }
+
+    return ((void *) &Allocation->UserSpace);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocateZeroedAndTrack
+ *
+ * PARAMETERS:  Size                - Size of the allocation
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: Subsystem equivalent of calloc.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtAllocateZeroedAndTrack (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    const char              *Module,
+    UINT32                  Line)
+{
+    ACPI_DEBUG_MEM_BLOCK    *Allocation;
+    ACPI_STATUS             Status;
+
+
+    Allocation = AcpiUtAllocateZeroed (Size + sizeof (ACPI_DEBUG_MEM_HEADER),
+                    Component, Module, Line);
+    if (!Allocation)
+    {
+        /* Report allocation error */
+
+        ACPI_ERROR ((Module, Line,
+            "Could not allocate size %u", (UINT32) Size));
+        return (NULL);
+    }
+
+    Status = AcpiUtTrackAllocation (Allocation, Size,
+                ACPI_MEM_CALLOC, Component, Module, Line);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiOsFree (Allocation);
+        return (NULL);
+    }
+
+    AcpiGbl_GlobalList->TotalAllocated++;
+    AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
+    AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;
+    if (AcpiGbl_GlobalList->CurrentTotalSize > AcpiGbl_GlobalList->MaxOccupied)
+    {
+        AcpiGbl_GlobalList->MaxOccupied = AcpiGbl_GlobalList->CurrentTotalSize;
+    }
+
+    return ((void *) &Allocation->UserSpace);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtFreeAndTrack
+ *
+ * PARAMETERS:  Allocation          - Address of the memory to deallocate
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Frees the memory at Allocation
+ *
+ ******************************************************************************/
+
+void
+AcpiUtFreeAndTrack (
+    void                    *Allocation,
+    UINT32                  Component,
+    const char              *Module,
+    UINT32                  Line)
+{
+    ACPI_DEBUG_MEM_BLOCK    *DebugBlock;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE_PTR (UtFree, Allocation);
+
+
+    if (NULL == Allocation)
+    {
+        ACPI_ERROR ((Module, Line,
+            "Attempt to delete a NULL address"));
+
+        return_VOID;
+    }
+
+    DebugBlock = ACPI_CAST_PTR (ACPI_DEBUG_MEM_BLOCK,
+                    (((char *) Allocation) - sizeof (ACPI_DEBUG_MEM_HEADER)));
+
+    AcpiGbl_GlobalList->TotalFreed++;
+    AcpiGbl_GlobalList->CurrentTotalSize -= DebugBlock->Size;
+
+    Status = AcpiUtRemoveAllocation (DebugBlock,
+                    Component, Module, Line);
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_EXCEPTION ((AE_INFO, Status, "Could not free memory"));
+    }
+
+    AcpiOsFree (DebugBlock);
+    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed\n", Allocation));
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtFindAllocation
+ *
+ * PARAMETERS:  Allocation              - Address of allocated memory
+ *
+ * RETURN:      A list element if found; NULL otherwise.
+ *
+ * DESCRIPTION: Searches for an element in the global allocation tracking list.
+ *
+ ******************************************************************************/
+
+static ACPI_DEBUG_MEM_BLOCK *
+AcpiUtFindAllocation (
+    void                    *Allocation)
+{
+    ACPI_DEBUG_MEM_BLOCK    *Element;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    Element = AcpiGbl_GlobalList->ListHead;
+
+    /* Search for the address. */
+
+    while (Element)
+    {
+        if (Element == Allocation)
+        {
+            return (Element);
+        }
+
+        Element = Element->Next;
+    }
+
+    return (NULL);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtTrackAllocation
+ *
+ * PARAMETERS:  Allocation          - Address of allocated memory
+ *              Size                - Size of the allocation
+ *              AllocType           - MEM_MALLOC or MEM_CALLOC
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Inserts an element into the global allocation tracking list.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtTrackAllocation (
+    ACPI_DEBUG_MEM_BLOCK    *Allocation,
+    ACPI_SIZE               Size,
+    UINT8                   AllocType,
+    UINT32                  Component,
+    const char              *Module,
+    UINT32                  Line)
+{
+    ACPI_MEMORY_LIST        *MemList;
+    ACPI_DEBUG_MEM_BLOCK    *Element;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE_PTR (UtTrackAllocation, Allocation);
+
+
+    if (AcpiGbl_DisableMemTracking)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    MemList = AcpiGbl_GlobalList;
+    Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Search list for this address to make sure it is not already on the list.
+     * This will catch several kinds of problems.
+     */
+    Element = AcpiUtFindAllocation (Allocation);
+    if (Element)
+    {
+        ACPI_ERROR ((AE_INFO,
+            "UtTrackAllocation: Allocation already present in list! (%p)",
+            Allocation));
+
+        ACPI_ERROR ((AE_INFO, "Element %p Address %p",
+            Element, Allocation));
+
+        goto UnlockAndExit;
+    }
+
+    /* Fill in the instance data. */
+
+    Allocation->Size      = (UINT32) Size;
+    Allocation->AllocType = AllocType;
+    Allocation->Component = Component;
+    Allocation->Line      = Line;
+
+    ACPI_STRNCPY (Allocation->Module, Module, ACPI_MAX_MODULE_NAME);
+    Allocation->Module[ACPI_MAX_MODULE_NAME-1] = 0;
+
+    /* Insert at list head */
+
+    if (MemList->ListHead)
+    {
+        ((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous = Allocation;
+    }
+
+    Allocation->Next = MemList->ListHead;
+    Allocation->Previous = NULL;
+
+    MemList->ListHead = Allocation;
+
+
+UnlockAndExit:
+    Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtRemoveAllocation
+ *
+ * PARAMETERS:  Allocation          - Address of allocated memory
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:
+ *
+ * DESCRIPTION: Deletes an element from the global allocation tracking list.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtRemoveAllocation (
+    ACPI_DEBUG_MEM_BLOCK    *Allocation,
+    UINT32                  Component,
+    const char              *Module,
+    UINT32                  Line)
+{
+    ACPI_MEMORY_LIST        *MemList;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtRemoveAllocation);
+
+
+    if (AcpiGbl_DisableMemTracking)
+    {
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    MemList = AcpiGbl_GlobalList;
+    if (NULL == MemList->ListHead)
+    {
+        /* No allocations! */
+
+        ACPI_ERROR ((Module, Line,
+            "Empty allocation list, nothing to free!"));
+
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Unlink */
+
+    if (Allocation->Previous)
+    {
+        (Allocation->Previous)->Next = Allocation->Next;
+    }
+    else
+    {
+        MemList->ListHead = Allocation->Next;
+    }
+
+    if (Allocation->Next)
+    {
+        (Allocation->Next)->Previous = Allocation->Previous;
+    }
+
+    /* Mark the segment as deleted */
+
+    ACPI_MEMSET (&Allocation->UserSpace, 0xEA, Allocation->Size);
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n",
+        Allocation->Size));
+
+    Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDumpAllocationInfo
+ *
+ * PARAMETERS:
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print some info about the outstanding allocations.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDumpAllocationInfo (
+    void)
+{
+/*
+    ACPI_MEMORY_LIST        *MemList;
+*/
+
+    ACPI_FUNCTION_TRACE (UtDumpAllocationInfo);
+
+/*
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Current allocations",
+                    MemList->CurrentCount,
+                    ROUND_UP_TO_1K (MemList->CurrentSize)));
+
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
+                    MemList->MaxConcurrentCount,
+                    ROUND_UP_TO_1K (MemList->MaxConcurrentSize)));
+
+
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
+                    RunningObjectCount,
+                    ROUND_UP_TO_1K (RunningObjectSize)));
+
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
+                    RunningAllocCount,
+                    ROUND_UP_TO_1K (RunningAllocSize)));
+
+
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Current Nodes",
+                    AcpiGbl_CurrentNodeCount,
+                    ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize)));
+
+    ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
+                    ("%30s: %4d (%3d Kb)\n", "Max Nodes",
+                    AcpiGbl_MaxConcurrentNodeCount,
+                    ROUND_UP_TO_1K ((AcpiGbl_MaxConcurrentNodeCount *
+                        sizeof (ACPI_NAMESPACE_NODE)))));
+*/
+    return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDumpAllocations
+ *
+ * PARAMETERS:  Component           - Component(s) to dump info for.
+ *              Module              - Module to dump info for.  NULL means all.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print a list of all outstanding allocations.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtDumpAllocations (
+    UINT32                  Component,
+    const char              *Module)
+{
+    ACPI_DEBUG_MEM_BLOCK    *Element;
+    ACPI_DESCRIPTOR         *Descriptor;
+    UINT32                  NumOutstanding = 0;
+    UINT8                   DescriptorType;
+
+
+    ACPI_FUNCTION_TRACE (UtDumpAllocations);
+
+
+    if (AcpiGbl_DisableMemTracking)
+    {
+        return;
+    }
+
+    /*
+     * Walk the allocation list.
+     */
+    if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_MEMORY)))
+    {
+        return;
+    }
+
+    Element = AcpiGbl_GlobalList->ListHead;
+    while (Element)
+    {
+        if ((Element->Component & Component) &&
+            ((Module == NULL) || (0 == ACPI_STRCMP (Module, Element->Module))))
+        {
+            Descriptor = ACPI_CAST_PTR (ACPI_DESCRIPTOR, &Element->UserSpace);
+
+            if (Element->Size < sizeof (ACPI_COMMON_DESCRIPTOR))
+            {
+                AcpiOsPrintf ("%p Length 0x%04X %9.9s-%u "
+                    "[Not a Descriptor - too small]\n",
+                    Descriptor, Element->Size, Element->Module,
+                    Element->Line);
+            }
+            else
+            {
+                /* Ignore allocated objects that are in a cache */
+
+                if (ACPI_GET_DESCRIPTOR_TYPE (Descriptor) != ACPI_DESC_TYPE_CACHED)
+                {
+                    AcpiOsPrintf ("%p Length 0x%04X %9.9s-%u [%s] ",
+                        Descriptor, Element->Size, Element->Module,
+                        Element->Line, AcpiUtGetDescriptorName (Descriptor));
+
+                    /* Validate the descriptor type using Type field and length */
+
+                    DescriptorType = 0; /* Not a valid descriptor type */
+
+                    switch (ACPI_GET_DESCRIPTOR_TYPE (Descriptor))
+                    {
+                    case ACPI_DESC_TYPE_OPERAND:
+                        if (Element->Size == sizeof (ACPI_DESC_TYPE_OPERAND))
+                        {
+                            DescriptorType = ACPI_DESC_TYPE_OPERAND;
+                        }
+                        break;
+
+                    case ACPI_DESC_TYPE_PARSER:
+                        if (Element->Size == sizeof (ACPI_DESC_TYPE_PARSER))
+                        {
+                            DescriptorType = ACPI_DESC_TYPE_PARSER;
+                        }
+                        break;
+
+                    case ACPI_DESC_TYPE_NAMED:
+                        if (Element->Size == sizeof (ACPI_DESC_TYPE_NAMED))
+                        {
+                            DescriptorType = ACPI_DESC_TYPE_NAMED;
+                        }
+                        break;
+
+                    default:
+                        break;
+                    }
+
+                    /* Display additional info for the major descriptor types */
+
+                    switch (DescriptorType)
+                    {
+                    case ACPI_DESC_TYPE_OPERAND:
+                        AcpiOsPrintf ("%12.12s  RefCount 0x%04X\n",
+                            AcpiUtGetTypeName (Descriptor->Object.Common.Type),
+                            Descriptor->Object.Common.ReferenceCount);
+                        break;
+
+                    case ACPI_DESC_TYPE_PARSER:
+                        AcpiOsPrintf ("AmlOpcode 0x%04hX\n",
+                            Descriptor->Op.Asl.AmlOpcode);
+                        break;
+
+                    case ACPI_DESC_TYPE_NAMED:
+                        AcpiOsPrintf ("%4.4s\n",
+                            AcpiUtGetNodeName (&Descriptor->Node));
+                        break;
+
+                    default:
+                        AcpiOsPrintf ( "\n");
+                        break;
+                    }
+                }
+            }
+
+            NumOutstanding++;
+        }
+
+        Element = Element->Next;
+    }
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
+
+    /* Print summary */
+
+    if (!NumOutstanding)
+    {
+        ACPI_INFO ((AE_INFO, "No outstanding allocations"));
+    }
+    else
+    {
+        ACPI_ERROR ((AE_INFO, "%u(0x%X) Outstanding allocations",
+            NumOutstanding, NumOutstanding));
+    }
+
+    return_VOID;
+}
+
+#endif  /* ACPI_DBG_TRACK_ALLOCATIONS */
+
diff --git a/source/components/utilities/utxface.c b/source/components/utilities/utxface.c
new file mode 100644
index 000000000000..3e858c9b0ffe
--- /dev/null
+++ b/source/components/utilities/utxface.c
@@ -0,0 +1,837 @@
+/******************************************************************************
+ *
+ * Module Name: utxface - External interfaces for "global" ACPI functions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#define __UTXFACE_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+#include "acdebug.h"
+#include "actables.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utxface")
+
+
+#ifndef ACPI_ASL_COMPILER
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiInitializeSubsystem
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initializes all global variables.  This is the first function
+ *              called, so any early initialization belongs here.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiInitializeSubsystem (
+    void)
+{
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiInitializeSubsystem);
+
+
+    AcpiGbl_StartupFlags = ACPI_SUBSYSTEM_INITIALIZE;
+    ACPI_DEBUG_EXEC (AcpiUtInitStackPtrTrace ());
+
+    /* Initialize the OS-Dependent layer */
+
+    Status = AcpiOsInitialize ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_EXCEPTION ((AE_INFO, Status, "During OSL initialization"));
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Initialize all globals used by the subsystem */
+
+    Status = AcpiUtInitGlobals ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_EXCEPTION ((AE_INFO, Status, "During initialization of globals"));
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Create the default mutex objects */
+
+    Status = AcpiUtMutexInitialize ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_EXCEPTION ((AE_INFO, Status, "During Global Mutex creation"));
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Initialize the namespace manager and
+     * the root of the namespace tree
+     */
+    Status = AcpiNsRootInitialize ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_EXCEPTION ((AE_INFO, Status, "During Namespace initialization"));
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Initialize the global OSI interfaces list with the static names */
+
+    Status = AcpiUtInitializeInterfaces ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_EXCEPTION ((AE_INFO, Status, "During OSI interfaces initialization"));
+        return_ACPI_STATUS (Status);
+    }
+
+    /* If configured, initialize the AML debugger */
+
+    ACPI_DEBUGGER_EXEC (Status = AcpiDbInitialize ());
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiInitializeSubsystem)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEnableSubsystem
+ *
+ * PARAMETERS:  Flags           - Init/enable Options
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Completes the subsystem initialization including hardware.
+ *              Puts system into ACPI mode if it isn't already.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEnableSubsystem (
+    UINT32                  Flags)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE (AcpiEnableSubsystem);
+
+
+#if (!ACPI_REDUCED_HARDWARE)
+
+    /* Enable ACPI mode */
+
+    if (!(Flags & ACPI_NO_ACPI_ENABLE))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n"));
+
+        AcpiGbl_OriginalMode = AcpiHwGetMode();
+
+        Status = AcpiEnable ();
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_WARNING ((AE_INFO, "AcpiEnable failed"));
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * Obtain a permanent mapping for the FACS. This is required for the
+     * Global Lock and the Firmware Waking Vector
+     */
+    Status = AcpiTbInitializeFacs ();
+    if (ACPI_FAILURE (Status))
+    {
+        ACPI_WARNING ((AE_INFO, "Could not map the FACS table"));
+        return_ACPI_STATUS (Status);
+    }
+
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+    /*
+     * Install the default OpRegion handlers.  These are installed unless
+     * other handlers have already been installed via the
+     * InstallAddressSpaceHandler interface.
+     */
+    if (!(Flags & ACPI_NO_ADDRESS_SPACE_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "[Init] Installing default address space handlers\n"));
+
+        Status = AcpiEvInstallRegionHandlers ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+#if (!ACPI_REDUCED_HARDWARE)
+    /*
+     * Initialize ACPI Event handling (Fixed and General Purpose)
+     *
+     * Note1: We must have the hardware and events initialized before we can
+     * execute any control methods safely. Any control method can require
+     * ACPI hardware support, so the hardware must be fully initialized before
+     * any method execution!
+     *
+     * Note2: Fixed events are initialized and enabled here. GPEs are
+     * initialized, but cannot be enabled until after the hardware is
+     * completely initialized (SCI and GlobalLock activated) and the various
+     * initialization control methods are run (_REG, _STA, _INI) on the
+     * entire namespace.
+     */
+    if (!(Flags & ACPI_NO_EVENT_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "[Init] Initializing ACPI events\n"));
+
+        Status = AcpiEvInitializeEvents ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * Install the SCI handler and Global Lock handler. This completes the
+     * hardware initialization.
+     */
+    if (!(Flags & ACPI_NO_HANDLER_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "[Init] Installing SCI/GL handlers\n"));
+
+        Status = AcpiEvInstallXruptHandlers ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+#endif /* !ACPI_REDUCED_HARDWARE */
+
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiEnableSubsystem)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiInitializeObjects
+ *
+ * PARAMETERS:  Flags           - Init/enable Options
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Completes namespace initialization by initializing device
+ *              objects and executing AML code for Regions, buffers, etc.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiInitializeObjects (
+    UINT32                  Flags)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_TRACE (AcpiInitializeObjects);
+
+
+    /*
+     * Run all _REG methods
+     *
+     * Note: Any objects accessed by the _REG methods will be automatically
+     * initialized, even if they contain executable AML (see the call to
+     * AcpiNsInitializeObjects below).
+     */
+    if (!(Flags & ACPI_NO_ADDRESS_SPACE_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "[Init] Executing _REG OpRegion methods\n"));
+
+        Status = AcpiEvInitializeOpRegions ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * Execute any module-level code that was detected during the table load
+     * phase. Although illegal since ACPI 2.0, there are many machines that
+     * contain this type of code. Each block of detected executable AML code
+     * outside of any control method is wrapped with a temporary control
+     * method object and placed on a global list. The methods on this list
+     * are executed below.
+     */
+    AcpiNsExecModuleCodeList ();
+
+    /*
+     * Initialize the objects that remain uninitialized. This runs the
+     * executable AML that may be part of the declaration of these objects:
+     * OperationRegions, BufferFields, Buffers, and Packages.
+     */
+    if (!(Flags & ACPI_NO_OBJECT_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "[Init] Completing Initialization of ACPI Objects\n"));
+
+        Status = AcpiNsInitializeObjects ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * Initialize all device objects in the namespace. This runs the device
+     * _STA and _INI methods.
+     */
+    if (!(Flags & ACPI_NO_DEVICE_INIT))
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+            "[Init] Initializing ACPI Devices\n"));
+
+        Status = AcpiNsInitializeDevices ();
+        if (ACPI_FAILURE (Status))
+        {
+            return_ACPI_STATUS (Status);
+        }
+    }
+
+    /*
+     * Empty the caches (delete the cached objects) on the assumption that
+     * the table load filled them up more than they will be at runtime --
+     * thus wasting non-paged memory.
+     */
+    Status = AcpiPurgeCachedObjects ();
+
+    AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK;
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiInitializeObjects)
+
+
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiTerminate
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Shutdown the ACPICA subsystem and release all resources.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiTerminate (
+    void)
+{
+    ACPI_STATUS         Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiTerminate);
+
+
+    /* Just exit if subsystem is already shutdown */
+
+    if (AcpiGbl_Shutdown)
+    {
+        ACPI_ERROR ((AE_INFO, "ACPI Subsystem is already terminated"));
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Subsystem appears active, go ahead and shut it down */
+
+    AcpiGbl_Shutdown = TRUE;
+    AcpiGbl_StartupFlags = 0;
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));
+
+    /* Terminate the AML Debugger if present */
+
+    ACPI_DEBUGGER_EXEC (AcpiGbl_DbTerminateThreads = TRUE);
+
+    /* Shutdown and free all resources */
+
+    AcpiUtSubsystemShutdown ();
+
+    /* Free the mutex objects */
+
+    AcpiUtMutexTerminate ();
+
+
+#ifdef ACPI_DEBUGGER
+
+    /* Shut down the debugger */
+
+    AcpiDbTerminate ();
+#endif
+
+    /* Now we can shutdown the OS-dependent layer */
+
+    Status = AcpiOsTerminate ();
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiTerminate)
+
+
+#ifndef ACPI_ASL_COMPILER
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiSubsystemStatus
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status of the ACPI subsystem
+ *
+ * DESCRIPTION: Other drivers that use the ACPI subsystem should call this
+ *              before making any other calls, to ensure the subsystem
+ *              initialized successfully.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiSubsystemStatus (
+    void)
+{
+
+    if (AcpiGbl_StartupFlags & ACPI_INITIALIZED_OK)
+    {
+        return (AE_OK);
+    }
+    else
+    {
+        return (AE_ERROR);
+    }
+}
+
+ACPI_EXPORT_SYMBOL (AcpiSubsystemStatus)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetSystemInfo
+ *
+ * PARAMETERS:  OutBuffer       - A buffer to receive the resources for the
+ *                                device
+ *
+ * RETURN:      Status          - the status of the call
+ *
+ * DESCRIPTION: This function is called to get information about the current
+ *              state of the ACPI subsystem.  It will return system information
+ *              in the OutBuffer.
+ *
+ *              If the function fails an appropriate status will be returned
+ *              and the value of OutBuffer is undefined.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetSystemInfo (
+    ACPI_BUFFER             *OutBuffer)
+{
+    ACPI_SYSTEM_INFO        *InfoPtr;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiGetSystemInfo);
+
+
+    /* Parameter validation */
+
+    Status = AcpiUtValidateBuffer (OutBuffer);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Validate/Allocate/Clear caller buffer */
+
+    Status = AcpiUtInitializeBuffer (OutBuffer, sizeof (ACPI_SYSTEM_INFO));
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Populate the return buffer
+     */
+    InfoPtr = (ACPI_SYSTEM_INFO *) OutBuffer->Pointer;
+
+    InfoPtr->AcpiCaVersion = ACPI_CA_VERSION;
+
+    /* System flags (ACPI capabilities) */
+
+    InfoPtr->Flags = ACPI_SYS_MODE_ACPI;
+
+    /* Timer resolution - 24 or 32 bits  */
+
+    if (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER)
+    {
+        InfoPtr->TimerResolution = 24;
+    }
+    else
+    {
+        InfoPtr->TimerResolution = 32;
+    }
+
+    /* Clear the reserved fields */
+
+    InfoPtr->Reserved1 = 0;
+    InfoPtr->Reserved2 = 0;
+
+    /* Current debug levels */
+
+    InfoPtr->DebugLayer = AcpiDbgLayer;
+    InfoPtr->DebugLevel = AcpiDbgLevel;
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiGetSystemInfo)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiGetStatistics
+ *
+ * PARAMETERS:  Stats           - Where the statistics are returned
+ *
+ * RETURN:      Status          - the status of the call
+ *
+ * DESCRIPTION: Get the contents of the various system counters
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiGetStatistics (
+    ACPI_STATISTICS         *Stats)
+{
+    ACPI_FUNCTION_TRACE (AcpiGetStatistics);
+
+
+    /* Parameter validation */
+
+    if (!Stats)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    /* Various interrupt-based event counters */
+
+    Stats->SciCount = AcpiSciCount;
+    Stats->GpeCount = AcpiGpeCount;
+
+    ACPI_MEMCPY (Stats->FixedEventCount, AcpiFixedEventCount,
+        sizeof (AcpiFixedEventCount));
+
+
+    /* Other counters */
+
+    Stats->MethodCount = AcpiMethodCount;
+
+    return_ACPI_STATUS (AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiGetStatistics)
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiInstallInitializationHandler
+ *
+ * PARAMETERS:  Handler             - Callback procedure
+ *              Function            - Not (currently) used, see below
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install an initialization handler
+ *
+ * TBD: When a second function is added, must save the Function also.
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiInstallInitializationHandler (
+    ACPI_INIT_HANDLER       Handler,
+    UINT32                  Function)
+{
+
+    if (!Handler)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    if (AcpiGbl_InitHandler)
+    {
+        return (AE_ALREADY_EXISTS);
+    }
+
+    AcpiGbl_InitHandler = Handler;
+    return AE_OK;
+}
+
+ACPI_EXPORT_SYMBOL (AcpiInstallInitializationHandler)
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiPurgeCachedObjects
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Empty all caches (delete the cached objects)
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiPurgeCachedObjects (
+    void)
+{
+    ACPI_FUNCTION_TRACE (AcpiPurgeCachedObjects);
+
+    (void) AcpiOsPurgeCache (AcpiGbl_StateCache);
+    (void) AcpiOsPurgeCache (AcpiGbl_OperandCache);
+    (void) AcpiOsPurgeCache (AcpiGbl_PsNodeCache);
+    (void) AcpiOsPurgeCache (AcpiGbl_PsNodeExtCache);
+    return_ACPI_STATUS (AE_OK);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiPurgeCachedObjects)
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiInstallInterface
+ *
+ * PARAMETERS:  InterfaceName       - The interface to install
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install an _OSI interface to the global list
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiInstallInterface (
+    ACPI_STRING             InterfaceName)
+{
+    ACPI_STATUS             Status;
+    ACPI_INTERFACE_INFO     *InterfaceInfo;
+
+
+    /* Parameter validation */
+
+    if (!InterfaceName || (ACPI_STRLEN (InterfaceName) == 0))
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
+
+    /* Check if the interface name is already in the global list */
+
+    InterfaceInfo = AcpiUtGetInterface (InterfaceName);
+    if (InterfaceInfo)
+    {
+        /*
+         * The interface already exists in the list. This is OK if the
+         * interface has been marked invalid -- just clear the bit.
+         */
+        if (InterfaceInfo->Flags & ACPI_OSI_INVALID)
+        {
+            InterfaceInfo->Flags &= ~ACPI_OSI_INVALID;
+            Status = AE_OK;
+        }
+        else
+        {
+            Status = AE_ALREADY_EXISTS;
+        }
+    }
+    else
+    {
+        /* New interface name, install into the global list */
+
+        Status = AcpiUtInstallInterface (InterfaceName);
+    }
+
+    AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
+    return (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiInstallInterface)
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiRemoveInterface
+ *
+ * PARAMETERS:  InterfaceName       - The interface to remove
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Remove an _OSI interface from the global list
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiRemoveInterface (
+    ACPI_STRING             InterfaceName)
+{
+    ACPI_STATUS             Status;
+
+
+    /* Parameter validation */
+
+    if (!InterfaceName || (ACPI_STRLEN (InterfaceName) == 0))
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
+
+    Status = AcpiUtRemoveInterface (InterfaceName);
+
+    AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
+    return (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiRemoveInterface)
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiInstallInterfaceHandler
+ *
+ * PARAMETERS:  Handler             - The _OSI interface handler to install
+ *                                    NULL means "remove existing handler"
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install a handler for the predefined _OSI ACPI method.
+ *              invoked during execution of the internal implementation of
+ *              _OSI. A NULL handler simply removes any existing handler.
+ *
+ ****************************************************************************/
+
+ACPI_STATUS
+AcpiInstallInterfaceHandler (
+    ACPI_INTERFACE_HANDLER  Handler)
+{
+    ACPI_STATUS             Status = AE_OK;
+
+
+    (void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
+
+    if (Handler && AcpiGbl_InterfaceHandler)
+    {
+        Status = AE_ALREADY_EXISTS;
+    }
+    else
+    {
+        AcpiGbl_InterfaceHandler = Handler;
+    }
+
+    AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
+    return (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiInstallInterfaceHandler)
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    AcpiCheckAddressRange
+ *
+ * PARAMETERS:  SpaceId             - Address space ID
+ *              Address             - Start address
+ *              Length              - Length
+ *              Warn                - TRUE if warning on overlap desired
+ *
+ * RETURN:      Count of the number of conflicts detected.
+ *
+ * DESCRIPTION: Check if the input address range overlaps any of the
+ *              ASL operation region address ranges.
+ *
+ ****************************************************************************/
+
+UINT32
+AcpiCheckAddressRange (
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_PHYSICAL_ADDRESS   Address,
+    ACPI_SIZE               Length,
+    BOOLEAN                 Warn)
+{
+    UINT32                  Overlaps;
+    ACPI_STATUS             Status;
+
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return (0);
+    }
+
+    Overlaps = AcpiUtCheckAddressRange (SpaceId, Address,
+        (UINT32) Length, Warn);
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return (Overlaps);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiCheckAddressRange)
+
+#endif /* !ACPI_ASL_COMPILER */
diff --git a/source/components/utilities/utxferror.c b/source/components/utilities/utxferror.c
new file mode 100644
index 000000000000..8ffb27489497
--- /dev/null
+++ b/source/components/utilities/utxferror.c
@@ -0,0 +1,478 @@
+/*******************************************************************************
+ *
+ * Module Name: utxferror - Various error/warning output functions
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTXFERROR_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utxferror")
+
+/*
+ * This module is used for the in-kernel ACPICA as well as the ACPICA
+ * tools/applications.
+ *
+ * For the iASL compiler case, the output is redirected to stderr so that
+ * any of the various ACPI errors and warnings do not appear in the output
+ * files, for either the compiler or disassembler portions of the tool.
+ */
+#ifdef ACPI_ASL_COMPILER
+#include <stdio.h>
+
+extern FILE                 *AcpiGbl_OutputFile;
+
+#define ACPI_MSG_REDIRECT_BEGIN \
+    FILE                    *OutputFile = AcpiGbl_OutputFile; \
+    AcpiOsRedirectOutput (stderr);
+
+#define ACPI_MSG_REDIRECT_END \
+    AcpiOsRedirectOutput (OutputFile);
+
+#else
+/*
+ * non-iASL case - no redirection, nothing to do
+ */
+#define ACPI_MSG_REDIRECT_BEGIN
+#define ACPI_MSG_REDIRECT_END
+#endif
+
+/*
+ * Common message prefixes
+ */
+#define ACPI_MSG_ERROR          "ACPI Error: "
+#define ACPI_MSG_EXCEPTION      "ACPI Exception: "
+#define ACPI_MSG_WARNING        "ACPI Warning: "
+#define ACPI_MSG_INFO           "ACPI: "
+
+/*
+ * Common message suffix
+ */
+#define ACPI_MSG_SUFFIX \
+    AcpiOsPrintf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, ModuleName, LineNumber)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiError
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              Format              - Printf format string + additional args
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print "ACPI Error" message with module/line/version info
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+AcpiError (
+    const char              *ModuleName,
+    UINT32                  LineNumber,
+    const char              *Format,
+    ...)
+{
+    va_list                 ArgList;
+
+
+    ACPI_MSG_REDIRECT_BEGIN;
+    AcpiOsPrintf (ACPI_MSG_ERROR);
+
+    va_start (ArgList, Format);
+    AcpiOsVprintf (Format, ArgList);
+    ACPI_MSG_SUFFIX;
+    va_end (ArgList);
+
+    ACPI_MSG_REDIRECT_END;
+}
+
+ACPI_EXPORT_SYMBOL (AcpiError)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiException
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              Status              - Status to be formatted
+ *              Format              - Printf format string + additional args
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print "ACPI Exception" message with module/line/version info
+ *              and decoded ACPI_STATUS.
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+AcpiException (
+    const char              *ModuleName,
+    UINT32                  LineNumber,
+    ACPI_STATUS             Status,
+    const char              *Format,
+    ...)
+{
+    va_list                 ArgList;
+
+
+    ACPI_MSG_REDIRECT_BEGIN;
+    AcpiOsPrintf (ACPI_MSG_EXCEPTION "%s, ", AcpiFormatException (Status));
+
+    va_start (ArgList, Format);
+    AcpiOsVprintf (Format, ArgList);
+    ACPI_MSG_SUFFIX;
+    va_end (ArgList);
+
+    ACPI_MSG_REDIRECT_END;
+}
+
+ACPI_EXPORT_SYMBOL (AcpiException)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiWarning
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              Format              - Printf format string + additional args
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print "ACPI Warning" message with module/line/version info
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+AcpiWarning (
+    const char              *ModuleName,
+    UINT32                  LineNumber,
+    const char              *Format,
+    ...)
+{
+    va_list                 ArgList;
+
+
+    ACPI_MSG_REDIRECT_BEGIN;
+    AcpiOsPrintf (ACPI_MSG_WARNING);
+
+    va_start (ArgList, Format);
+    AcpiOsVprintf (Format, ArgList);
+    ACPI_MSG_SUFFIX;
+    va_end (ArgList);
+
+    ACPI_MSG_REDIRECT_END;
+}
+
+ACPI_EXPORT_SYMBOL (AcpiWarning)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiInfo
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              Format              - Printf format string + additional args
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print generic "ACPI:" information message. There is no
+ *              module/line/version info in order to keep the message simple.
+ *
+ * TBD: ModuleName and LineNumber args are not needed, should be removed.
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+AcpiInfo (
+    const char              *ModuleName,
+    UINT32                  LineNumber,
+    const char              *Format,
+    ...)
+{
+    va_list                 ArgList;
+
+
+    ACPI_MSG_REDIRECT_BEGIN;
+    AcpiOsPrintf (ACPI_MSG_INFO);
+
+    va_start (ArgList, Format);
+    AcpiOsVprintf (Format, ArgList);
+    AcpiOsPrintf ("\n");
+    va_end (ArgList);
+
+    ACPI_MSG_REDIRECT_END;
+}
+
+ACPI_EXPORT_SYMBOL (AcpiInfo)
+
+
+/*
+ * The remainder of this module contains internal error functions that may
+ * be configured out.
+ */
+#if !defined (ACPI_NO_ERROR_MESSAGES) && !defined (ACPI_BIN_APP)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtPredefinedWarning
+ *
+ * PARAMETERS:  ModuleName      - Caller's module name (for error output)
+ *              LineNumber      - Caller's line number (for error output)
+ *              Pathname        - Full pathname to the node
+ *              NodeFlags       - From Namespace node for the method/object
+ *              Format          - Printf format string + additional args
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Warnings for the predefined validation module. Messages are
+ *              only emitted the first time a problem with a particular
+ *              method/object is detected. This prevents a flood of error
+ *              messages for methods that are repeatedly evaluated.
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+AcpiUtPredefinedWarning (
+    const char              *ModuleName,
+    UINT32                  LineNumber,
+    char                    *Pathname,
+    UINT8                   NodeFlags,
+    const char              *Format,
+    ...)
+{
+    va_list                 ArgList;
+
+
+    /*
+     * Warning messages for this method/object will be disabled after the
+     * first time a validation fails or an object is successfully repaired.
+     */
+    if (NodeFlags & ANOBJ_EVALUATED)
+    {
+        return;
+    }
+
+    AcpiOsPrintf (ACPI_MSG_WARNING "For %s: ", Pathname);
+
+    va_start (ArgList, Format);
+    AcpiOsVprintf (Format, ArgList);
+    ACPI_MSG_SUFFIX;
+    va_end (ArgList);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtPredefinedInfo
+ *
+ * PARAMETERS:  ModuleName      - Caller's module name (for error output)
+ *              LineNumber      - Caller's line number (for error output)
+ *              Pathname        - Full pathname to the node
+ *              NodeFlags       - From Namespace node for the method/object
+ *              Format          - Printf format string + additional args
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Info messages for the predefined validation module. Messages
+ *              are only emitted the first time a problem with a particular
+ *              method/object is detected. This prevents a flood of
+ *              messages for methods that are repeatedly evaluated.
+ *
+ ******************************************************************************/
+
+void ACPI_INTERNAL_VAR_XFACE
+AcpiUtPredefinedInfo (
+    const char              *ModuleName,
+    UINT32                  LineNumber,
+    char                    *Pathname,
+    UINT8                   NodeFlags,
+    const char              *Format,
+    ...)
+{
+    va_list                 ArgList;
+
+
+    /*
+     * Warning messages for this method/object will be disabled after the
+     * first time a validation fails or an object is successfully repaired.
+     */
+    if (NodeFlags & ANOBJ_EVALUATED)
+    {
+        return;
+    }
+
+    AcpiOsPrintf (ACPI_MSG_INFO "For %s: ", Pathname);
+
+    va_start (ArgList, Format);
+    AcpiOsVprintf (Format, ArgList);
+    ACPI_MSG_SUFFIX;
+    va_end (ArgList);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtNamespaceError
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              InternalName        - Name or path of the namespace node
+ *              LookupStatus        - Exception code from NS lookup
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print error message with the full pathname for the NS node.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtNamespaceError (
+    const char              *ModuleName,
+    UINT32                  LineNumber,
+    const char              *InternalName,
+    ACPI_STATUS             LookupStatus)
+{
+    ACPI_STATUS             Status;
+    UINT32                  BadName;
+    char                    *Name = NULL;
+
+
+    ACPI_MSG_REDIRECT_BEGIN;
+    AcpiOsPrintf (ACPI_MSG_ERROR);
+
+    if (LookupStatus == AE_BAD_CHARACTER)
+    {
+        /* There is a non-ascii character in the name */
+
+        ACPI_MOVE_32_TO_32 (&BadName, ACPI_CAST_PTR (UINT32, InternalName));
+        AcpiOsPrintf ("[0x%4.4X] (NON-ASCII)", BadName);
+    }
+    else
+    {
+        /* Convert path to external format */
+
+        Status = AcpiNsExternalizeName (ACPI_UINT32_MAX,
+                    InternalName, NULL, &Name);
+
+        /* Print target name */
+
+        if (ACPI_SUCCESS (Status))
+        {
+            AcpiOsPrintf ("[%s]", Name);
+        }
+        else
+        {
+            AcpiOsPrintf ("[COULD NOT EXTERNALIZE NAME]");
+        }
+
+        if (Name)
+        {
+            ACPI_FREE (Name);
+        }
+    }
+
+    AcpiOsPrintf (" Namespace lookup failure, %s",
+        AcpiFormatException (LookupStatus));
+
+    ACPI_MSG_SUFFIX;
+    ACPI_MSG_REDIRECT_END;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtMethodError
+ *
+ * PARAMETERS:  ModuleName          - Caller's module name (for error output)
+ *              LineNumber          - Caller's line number (for error output)
+ *              Message             - Error message to use on failure
+ *              PrefixNode          - Prefix relative to the path
+ *              Path                - Path to the node (optional)
+ *              MethodStatus        - Execution status
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print error message with the full pathname for the method.
+ *
+ ******************************************************************************/
+
+void
+AcpiUtMethodError (
+    const char              *ModuleName,
+    UINT32                  LineNumber,
+    const char              *Message,
+    ACPI_NAMESPACE_NODE     *PrefixNode,
+    const char              *Path,
+    ACPI_STATUS             MethodStatus)
+{
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node = PrefixNode;
+
+
+    ACPI_MSG_REDIRECT_BEGIN;
+    AcpiOsPrintf (ACPI_MSG_ERROR);
+
+    if (Path)
+    {
+        Status = AcpiNsGetNode (PrefixNode, Path, ACPI_NS_NO_UPSEARCH,
+                    &Node);
+        if (ACPI_FAILURE (Status))
+        {
+            AcpiOsPrintf ("[Could not get node by pathname]");
+        }
+    }
+
+    AcpiNsPrintNodePathname (Node, Message);
+    AcpiOsPrintf (", %s", AcpiFormatException (MethodStatus));
+
+    ACPI_MSG_SUFFIX;
+    ACPI_MSG_REDIRECT_END;
+}
+
+#endif /* ACPI_NO_ERROR_MESSAGES */
diff --git a/source/components/utilities/utxfmutex.c b/source/components/utilities/utxfmutex.c
new file mode 100644
index 000000000000..c4784310d3f8
--- /dev/null
+++ b/source/components/utilities/utxfmutex.c
@@ -0,0 +1,213 @@
+/*******************************************************************************
+ *
+ * Module Name: utxfmutex - external AML mutex access functions
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#define __UTXFMUTEX_C__
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acnamesp.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utxfmutex")
+
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiUtGetMutexObject (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname,
+    ACPI_OPERAND_OBJECT     **RetObj);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtGetMutexObject
+ *
+ * PARAMETERS:  Handle              - Mutex or prefix handle (optional)
+ *              Pathname            - Mutex pathname (optional)
+ *              RetObj              - Where the mutex object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get an AML mutex object. The mutex node is pointed to by
+ *              Handle:Pathname. Either Handle or Pathname can be NULL, but
+ *              not both.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiUtGetMutexObject (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname,
+    ACPI_OPERAND_OBJECT     **RetObj)
+{
+    ACPI_NAMESPACE_NODE     *MutexNode;
+    ACPI_OPERAND_OBJECT     *MutexObj;
+    ACPI_STATUS             Status;
+
+
+    /* Parameter validation */
+
+    if (!RetObj || (!Handle && !Pathname))
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* Get a the namespace node for the mutex */
+
+    MutexNode = Handle;
+    if (Pathname != NULL)
+    {
+        Status = AcpiGetHandle (Handle, Pathname,
+            ACPI_CAST_PTR (ACPI_HANDLE, &MutexNode));
+        if (ACPI_FAILURE (Status))
+        {
+            return (Status);
+        }
+    }
+
+    /* Ensure that we actually have a Mutex object */
+
+    if (!MutexNode ||
+        (MutexNode->Type != ACPI_TYPE_MUTEX))
+    {
+        return (AE_TYPE);
+    }
+
+    /* Get the low-level mutex object */
+
+    MutexObj = AcpiNsGetAttachedObject (MutexNode);
+    if (!MutexObj)
+    {
+        return (AE_NULL_OBJECT);
+    }
+
+    *RetObj = MutexObj;
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiAcquireMutex
+ *
+ * PARAMETERS:  Handle              - Mutex or prefix handle (optional)
+ *              Pathname            - Mutex pathname (optional)
+ *              Timeout             - Max time to wait for the lock (millisec)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Acquire an AML mutex. This is a device driver interface to
+ *              AML mutex objects, and allows for transaction locking between
+ *              drivers and AML code. The mutex node is pointed to by
+ *              Handle:Pathname. Either Handle or Pathname can be NULL, but
+ *              not both.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiAcquireMutex (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname,
+    UINT16                  Timeout)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *MutexObj;
+
+
+    /* Get the low-level mutex associated with Handle:Pathname */
+
+    Status = AcpiUtGetMutexObject (Handle, Pathname, &MutexObj);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Acquire the OS mutex */
+
+    Status = AcpiOsAcquireMutex (MutexObj->Mutex.OsMutex, Timeout);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiReleaseMutex
+ *
+ * PARAMETERS:  Handle              - Mutex or prefix handle (optional)
+ *              Pathname            - Mutex pathname (optional)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Release an AML mutex. This is a device driver interface to
+ *              AML mutex objects, and allows for transaction locking between
+ *              drivers and AML code. The mutex node is pointed to by
+ *              Handle:Pathname. Either Handle or Pathname can be NULL, but
+ *              not both.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiReleaseMutex (
+    ACPI_HANDLE             Handle,
+    ACPI_STRING             Pathname)
+{
+    ACPI_STATUS             Status;
+    ACPI_OPERAND_OBJECT     *MutexObj;
+
+
+    /* Get the low-level mutex associated with Handle:Pathname */
+
+    Status = AcpiUtGetMutexObject (Handle, Pathname, &MutexObj);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Release the OS mutex */
+
+    AcpiOsReleaseMutex (MutexObj->Mutex.OsMutex);
+    return (AE_OK);
+}