flatten acpica vendor area

do it for current ('dist') and previous versions;
disable keywords expansion at the same time

Reviewed by:	attilio
Approved by:	rpaulo

1 files changed, 0 insertions, 2211 deletions

diff --git a/sys/contrib/dev/acpica/compiler/aslanalyze.c b/sys/contrib/dev/acpica/compiler/aslanalyze.c
deleted file mode 100644
index 93f2f0bdbe73..000000000000
--- a/sys/contrib/dev/acpica/compiler/aslanalyze.c
+++ /dev/null
@@ -1,2211 +0,0 @@
-
-/******************************************************************************
- *
- * Module Name: aslanalyze.c - check for semantic errors
- *              $Revision: 1.115 $
- *
- *****************************************************************************/
-
-/******************************************************************************
- *
- * 1. Copyright Notice
- *
- * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp.
- * All rights reserved.
- *
- * 2. License
- *
- * 2.1. This is your license from Intel Corp. under its intellectual property
- * rights.  You may have additional license terms from the party that provided
- * you this software, covering your right to use that party's intellectual
- * property rights.
- *
- * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
- * copy of the source code appearing in this file ("Covered Code") an
- * irrevocable, perpetual, worldwide license under Intel's copyrights in the
- * base code distributed originally by Intel ("Original Intel Code") to copy,
- * make derivatives, distribute, use and display any portion of the Covered
- * Code in any form, with the right to sublicense such rights; and
- *
- * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
- * license (with the right to sublicense), under only those claims of Intel
- * patents that are infringed by the Original Intel Code, to make, use, sell,
- * offer to sell, and import the Covered Code and derivative works thereof
- * solely to the minimum extent necessary to exercise the above copyright
- * license, and in no event shall the patent license extend to any additions
- * to or modifications of the Original Intel Code.  No other license or right
- * is granted directly or by implication, estoppel or otherwise;
- *
- * The above copyright and patent license is granted only if the following
- * conditions are met:
- *
- * 3. Conditions
- *
- * 3.1. Redistribution of Source with Rights to Further Distribute Source.
- * Redistribution of source code of any substantial portion of the Covered
- * Code or modification with rights to further distribute source must include
- * the above Copyright Notice, the above License, this list of Conditions,
- * and the following Disclaimer and Export Compliance provision.  In addition,
- * Licensee must cause all Covered Code to which Licensee contributes to
- * contain a file documenting the changes Licensee made to create that Covered
- * Code and the date of any change.  Licensee must include in that file the
- * documentation of any changes made by any predecessor Licensee.  Licensee
- * must include a prominent statement that the modification is derived,
- * directly or indirectly, from Original Intel Code.
- *
- * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
- * Redistribution of source code of any substantial portion of the Covered
- * Code or modification without rights to further distribute source must
- * include the following Disclaimer and Export Compliance provision in the
- * documentation and/or other materials provided with distribution.  In
- * addition, Licensee may not authorize further sublicense of source of any
- * portion of the Covered Code, and must include terms to the effect that the
- * license from Licensee to its licensee is limited to the intellectual
- * property embodied in the software Licensee provides to its licensee, and
- * not to intellectual property embodied in modifications its licensee may
- * make.
- *
- * 3.3. Redistribution of Executable. Redistribution in executable form of any
- * substantial portion of the Covered Code or modification must reproduce the
- * above Copyright Notice, and the following Disclaimer and Export Compliance
- * provision in the documentation and/or other materials provided with the
- * distribution.
- *
- * 3.4. Intel retains all right, title, and interest in and to the Original
- * Intel Code.
- *
- * 3.5. Neither the name Intel nor any other trademark owned or controlled by
- * Intel shall be used in advertising or otherwise to promote the sale, use or
- * other dealings in products derived from or relating to the Covered Code
- * without prior written authorization from Intel.
- *
- * 4. Disclaimer and Export Compliance
- *
- * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
- * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
- * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
- * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
- * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
- * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
- * PARTICULAR PURPOSE.
- *
- * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
- * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
- * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
- * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
- * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
- * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
- * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
- * LIMITED REMEDY.
- *
- * 4.3. Licensee shall not export, either directly or indirectly, any of this
- * software or system incorporating such software without first obtaining any
- * required license or other approval from the U. S. Department of Commerce or
- * any other agency or department of the United States Government.  In the
- * event Licensee exports any such software from the United States or
- * re-exports any such software from a foreign destination, Licensee shall
- * ensure that the distribution and export/re-export of the software is in
- * compliance with all laws, regulations, orders, or other restrictions of the
- * U.S. Export Administration Regulations. Licensee agrees that neither it nor
- * any of its subsidiaries will export/re-export any technical data, process,
- * software, or service, directly or indirectly, to any country for which the
- * United States government or any agency thereof requires an export license,
- * other governmental approval, or letter of assurance, without first obtaining
- * such license, approval or letter.
- *
- *****************************************************************************/
-
-
-#include <contrib/dev/acpica/compiler/aslcompiler.h>
-#include "aslcompiler.y.h"
-#include <contrib/dev/acpica/acparser.h>
-#include <contrib/dev/acpica/amlcode.h>
-
-#include <ctype.h>
-
-#define _COMPONENT          ACPI_COMPILER
-        ACPI_MODULE_NAME    ("aslanalyze")
-
-/* Local prototypes */
-
-static UINT32
-AnMapArgTypeToBtype (
-    UINT32                  ArgType);
-
-static UINT32
-AnMapEtypeToBtype (
-    UINT32                  Etype);
-
-static void
-AnFormatBtype (
-    char                    *Buffer,
-    UINT32                  Btype);
-
-static UINT32
-AnGetBtype (
-    ACPI_PARSE_OBJECT       *Op);
-
-static UINT32
-AnCheckForReservedName (
-    ACPI_PARSE_OBJECT       *Op,
-    char                    *Name);
-
-static void
-AnCheckForReservedMethod (
-    ACPI_PARSE_OBJECT       *Op,
-    ASL_METHOD_INFO         *MethodInfo);
-
-static UINT32
-AnMapObjTypeToBtype (
-    ACPI_PARSE_OBJECT       *Op);
-
-static BOOLEAN
-AnLastStatementIsReturn (
-    ACPI_PARSE_OBJECT       *Op);
-
-static void
-AnCheckMethodReturnValue (
-    ACPI_PARSE_OBJECT       *Op,
-    const ACPI_OPCODE_INFO  *OpInfo,
-    ACPI_PARSE_OBJECT       *ArgOp,
-    UINT32                  RequiredBtypes,
-    UINT32                  ThisNodeBtype);
-
-static BOOLEAN
-AnIsInternalMethod (
-    ACPI_PARSE_OBJECT       *Op);
-
-static UINT32
-AnGetInternalMethodReturnType (
-    ACPI_PARSE_OBJECT       *Op);
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnIsInternalMethod
- *
- * PARAMETERS:  Op              - Current op
- *
- * RETURN:      Boolean
- *
- * DESCRIPTION: Check for an internal control method.
- *
- ******************************************************************************/
-
-static BOOLEAN
-AnIsInternalMethod (
-    ACPI_PARSE_OBJECT       *Op)
-{
-
-    if ((!ACPI_STRCMP (Op->Asl.ExternalName, "\\_OSI")) ||
-        (!ACPI_STRCMP (Op->Asl.ExternalName, "_OSI")))
-    {
-        return (TRUE);
-    }
-
-    return (FALSE);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnGetInternalMethodReturnType
- *
- * PARAMETERS:  Op              - Current op
- *
- * RETURN:      Btype
- *
- * DESCRIPTION: Get the return type of an internal method
- *
- ******************************************************************************/
-
-static UINT32
-AnGetInternalMethodReturnType (
-    ACPI_PARSE_OBJECT       *Op)
-{
-
-    if ((!ACPI_STRCMP (Op->Asl.ExternalName, "\\_OSI")) ||
-        (!ACPI_STRCMP (Op->Asl.ExternalName, "_OSI")))
-    {
-        return (ACPI_BTYPE_STRING);
-    }
-
-    return (0);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnMapArgTypeToBtype
- *
- * PARAMETERS:  ArgType      - The ARGI required type(s) for this argument,
- *                             from the opcode info table
- *
- * RETURN:      The corresponding Bit-encoded types
- *
- * DESCRIPTION: Convert an encoded ARGI required argument type code into a
- *              bitfield type code. Implements the implicit source conversion
- *              rules.
- *
- ******************************************************************************/
-
-static UINT32
-AnMapArgTypeToBtype (
-    UINT32                  ArgType)
-{
-
-    switch (ArgType)
-    {
-
-    /* Simple types */
-
-    case ARGI_ANYTYPE:
-        return (ACPI_BTYPE_OBJECTS_AND_REFS);
-
-    case ARGI_PACKAGE:
-        return (ACPI_BTYPE_PACKAGE);
-
-    case ARGI_EVENT:
-        return (ACPI_BTYPE_EVENT);
-
-    case ARGI_MUTEX:
-        return (ACPI_BTYPE_MUTEX);
-
-    case ARGI_DDBHANDLE:
-        return (ACPI_BTYPE_DDB_HANDLE);
-
-    /* Interchangeable types */
-    /*
-     * Source conversion rules:
-     * Integer, String, and Buffer are all interchangeable
-     */
-    case ARGI_INTEGER:
-    case ARGI_STRING:
-    case ARGI_BUFFER:
-    case ARGI_BUFFER_OR_STRING:
-    case ARGI_COMPUTEDATA:
-        return (ACPI_BTYPE_COMPUTE_DATA);
-
-    /* References */
-
-    case ARGI_INTEGER_REF:
-        return (ACPI_BTYPE_INTEGER);
-
-    case ARGI_OBJECT_REF:
-        return (ACPI_BTYPE_ALL_OBJECTS);
-
-    case ARGI_DEVICE_REF:
-        return (ACPI_BTYPE_DEVICE_OBJECTS);
-
-    case ARGI_REFERENCE:
-        return (ACPI_BTYPE_REFERENCE);
-
-    case ARGI_TARGETREF:
-    case ARGI_FIXED_TARGET:
-    case ARGI_SIMPLE_TARGET:
-        return (ACPI_BTYPE_OBJECTS_AND_REFS);
-
-    /* Complex types */
-
-    case ARGI_DATAOBJECT:
-
-        /*
-         * Buffer, string, package or reference to a Op -
-         * Used only by SizeOf operator
-         */
-        return (ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER |
-            ACPI_BTYPE_PACKAGE | ACPI_BTYPE_REFERENCE);
-
-    case ARGI_COMPLEXOBJ:
-
-        /* Buffer, String, or package */
-
-        return (ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER | ACPI_BTYPE_PACKAGE);
-
-    case ARGI_REF_OR_STRING:
-        return (ACPI_BTYPE_STRING | ACPI_BTYPE_REFERENCE);
-
-    case ARGI_REGION_OR_BUFFER:
-
-        /* Used by Load() only. Allow buffers in addition to regions/fields */
-
-        return (ACPI_BTYPE_REGION | ACPI_BTYPE_BUFFER | ACPI_BTYPE_FIELD_UNIT);
-
-    case ARGI_DATAREFOBJ:
-        return (ACPI_BTYPE_INTEGER |ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER |
-            ACPI_BTYPE_PACKAGE | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE);
-
-    default:
-        break;
-    }
-
-    return (ACPI_BTYPE_OBJECTS_AND_REFS);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnMapEtypeToBtype
- *
- * PARAMETERS:  Etype           - Encoded ACPI Type
- *
- * RETURN:      Btype corresponding to the Etype
- *
- * DESCRIPTION: Convert an encoded ACPI type to a bitfield type applying the
- *              operand conversion rules. In other words, returns the type(s)
- *              this Etype is implicitly converted to during interpretation.
- *
- ******************************************************************************/
-
-static UINT32
-AnMapEtypeToBtype (
-    UINT32                  Etype)
-{
-
-
-    if (Etype == ACPI_TYPE_ANY)
-    {
-        return ACPI_BTYPE_OBJECTS_AND_REFS;
-    }
-
-    /* Try the standard ACPI data types */
-
-    if (Etype <= ACPI_TYPE_EXTERNAL_MAX)
-    {
-        /*
-         * This switch statement implements the allowed operand conversion
-         * rules as per the "ASL Data Types" section of the ACPI
-         * specification.
-         */
-        switch (Etype)
-        {
-        case ACPI_TYPE_INTEGER:
-            return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_DDB_HANDLE);
-
-        case ACPI_TYPE_STRING:
-        case ACPI_TYPE_BUFFER:
-            return (ACPI_BTYPE_COMPUTE_DATA);
-
-        case ACPI_TYPE_PACKAGE:
-            return (ACPI_BTYPE_PACKAGE);
-
-        case ACPI_TYPE_FIELD_UNIT:
-            return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_FIELD_UNIT);
-
-        case ACPI_TYPE_BUFFER_FIELD:
-            return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_BUFFER_FIELD);
-
-        case ACPI_TYPE_DDB_HANDLE:
-            return (ACPI_BTYPE_INTEGER | ACPI_BTYPE_DDB_HANDLE);
-
-        case ACPI_BTYPE_DEBUG_OBJECT:
-
-            /* Cannot be used as a source operand */
-
-            return (0);
-
-        default:
-            return (1 << (Etype - 1));
-        }
-    }
-
-    /* Try the internal data types */
-
-    switch (Etype)
-    {
-    case ACPI_TYPE_LOCAL_REGION_FIELD:
-    case ACPI_TYPE_LOCAL_BANK_FIELD:
-    case ACPI_TYPE_LOCAL_INDEX_FIELD:
-
-        /* Named fields can be either Integer/Buffer/String */
-
-        return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_FIELD_UNIT);
-
-    case ACPI_TYPE_LOCAL_ALIAS:
-
-        return (ACPI_BTYPE_INTEGER);
-
-
-    case ACPI_TYPE_LOCAL_RESOURCE:
-    case ACPI_TYPE_LOCAL_RESOURCE_FIELD:
-
-        return (ACPI_BTYPE_REFERENCE);
-
-    default:
-        printf ("Unhandled encoded type: %X\n", Etype);
-        return (0);
-    }
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnFormatBtype
- *
- * PARAMETERS:  Btype               - Bitfield of ACPI types
- *              Buffer              - Where to put the ascii string
- *
- * RETURN:      None.
- *
- * DESCRIPTION: Convert a Btype to a string of ACPI types
- *
- ******************************************************************************/
-
-static void
-AnFormatBtype (
-    char                    *Buffer,
-    UINT32                  Btype)
-{
-    UINT32                  Type;
-    BOOLEAN                 First = TRUE;
-
-
-    *Buffer = 0;
-
-    if (Btype == 0)
-    {
-        strcat (Buffer, "NoReturnValue");
-        return;
-    }
-
-    for (Type = 1; Type <= ACPI_TYPE_EXTERNAL_MAX; Type++)
-    {
-        if (Btype & 0x00000001)
-        {
-            if (!First)
-            {
-                strcat (Buffer, "|");
-            }
-            First = FALSE;
-            strcat (Buffer, AcpiUtGetTypeName (Type));
-        }
-        Btype >>= 1;
-    }
-
-    if (Btype & 0x00000001)
-    {
-        if (!First)
-        {
-            strcat (Buffer, "|");
-        }
-        First = FALSE;
-        strcat (Buffer, "Reference");
-    }
-
-    Btype >>= 1;
-    if (Btype & 0x00000001)
-    {
-        if (!First)
-        {
-            strcat (Buffer, "|");
-        }
-        First = FALSE;
-        strcat (Buffer, "Resource");
-    }
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnGetBtype
- *
- * PARAMETERS:  Op          - Parse node whose type will be returned.
- *
- * RETURN:      The Btype associated with the Op.
- *
- * DESCRIPTION: Get the (bitfield) ACPI type associated with the parse node.
- *              Handles the case where the node is a name or method call and
- *              the actual type must be obtained from the namespace node.
- *
- ******************************************************************************/
-
-static UINT32
-AnGetBtype (
-    ACPI_PARSE_OBJECT       *Op)
-{
-    ACPI_NAMESPACE_NODE     *Node;
-    ACPI_PARSE_OBJECT       *ReferencedNode;
-    UINT32                  ThisNodeBtype = 0;
-
-
-    if ((Op->Asl.ParseOpcode == PARSEOP_NAMESEG)     ||
-        (Op->Asl.ParseOpcode == PARSEOP_NAMESTRING)  ||
-        (Op->Asl.ParseOpcode == PARSEOP_METHODCALL))
-    {
-        Node = Op->Asl.Node;
-        if (!Node)
-        {
-            DbgPrint (ASL_DEBUG_OUTPUT,
-                "No attached Nsnode: [%s] at line %d name [%s], ignoring typecheck\n",
-                Op->Asl.ParseOpName, Op->Asl.LineNumber,
-                Op->Asl.ExternalName);
-            return ACPI_UINT32_MAX;
-        }
-
-        ThisNodeBtype = AnMapEtypeToBtype (Node->Type);
-        if (!ThisNodeBtype)
-        {
-            AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op,
-                "could not map type");
-        }
-
-        /*
-         * Since it was a named reference, enable the
-         * reference bit also
-         */
-        ThisNodeBtype |= ACPI_BTYPE_REFERENCE;
-
-        if (Op->Asl.ParseOpcode == PARSEOP_METHODCALL)
-        {
-            ReferencedNode = Node->Op;
-            if (!ReferencedNode)
-            {
-                /* Check for an internal method */
-
-                if (AnIsInternalMethod (Op))
-                {
-                    return (AnGetInternalMethodReturnType (Op));
-                }
-
-                AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op,
-                    "null Op pointer");
-                return ACPI_UINT32_MAX;
-            }
-
-            if (ReferencedNode->Asl.CompileFlags & NODE_METHOD_TYPED)
-            {
-                ThisNodeBtype = ReferencedNode->Asl.AcpiBtype;
-            }
-            else
-            {
-                return (ACPI_UINT32_MAX -1);
-            }
-        }
-    }
-    else
-    {
-        ThisNodeBtype = Op->Asl.AcpiBtype;
-    }
-
-    return (ThisNodeBtype);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnCheckForReservedName
- *
- * PARAMETERS:  Op              - A parse node
- *              Name            - NameSeg to check
- *
- * RETURN:      None
- *
- * DESCRIPTION: Check a NameSeg against the reserved list.
- *
- ******************************************************************************/
-
-static UINT32
-AnCheckForReservedName (
-    ACPI_PARSE_OBJECT       *Op,
-    char                    *Name)
-{
-    UINT32                  i;
-
-
-    if (Name[0] == 0)
-    {
-        AcpiOsPrintf ("Found a null name, external = %s\n",
-            Op->Asl.ExternalName);
-    }
-
-    /* All reserved names are prefixed with a single underscore */
-
-    if (Name[0] != '_')
-    {
-        return (ACPI_NOT_RESERVED_NAME);
-    }
-
-    /* Check for a standard reserved method name */
-
-    for (i = 0; ReservedMethods[i].Name; i++)
-    {
-        if (ACPI_COMPARE_NAME (Name, ReservedMethods[i].Name))
-        {
-            if (ReservedMethods[i].Flags & ASL_RSVD_SCOPE)
-            {
-                AslError (ASL_ERROR, ASL_MSG_RESERVED_WORD, Op,
-                    Op->Asl.ExternalName);
-                return (ACPI_PREDEFINED_NAME);
-            }
-            else if (ReservedMethods[i].Flags & ASL_RSVD_RESOURCE_NAME)
-            {
-                AslError (ASL_ERROR, ASL_MSG_RESERVED_WORD, Op,
-                    Op->Asl.ExternalName);
-                return (ACPI_PREDEFINED_NAME);
-            }
-
-            /* Return index into reserved array */
-
-            return i;
-        }
-    }
-
-    /*
-     * Now check for the "special" reserved names --
-     * GPE:  _Lxx
-     * GPE:  _Exx
-     * EC:   _Qxx
-     */
-    if ((Name[1] == 'L') ||
-        (Name[1] == 'E') ||
-        (Name[1] == 'Q'))
-    {
-        /* The next two characters must be hex digits */
-
-        if ((isxdigit (Name[2])) &&
-            (isxdigit (Name[3])))
-        {
-            return (ACPI_EVENT_RESERVED_NAME);
-        }
-    }
-
-
-    /* Check for the names reserved for the compiler itself: _T_x */
-
-    else if ((Op->Asl.ExternalName[1] == 'T') &&
-             (Op->Asl.ExternalName[2] == '_'))
-    {
-        /* Ignore if actually emitted by the compiler */
-
-        if (Op->Asl.CompileFlags & NODE_COMPILER_EMITTED)
-        {
-            return (ACPI_NOT_RESERVED_NAME);
-        }
-
-        AslError (ASL_ERROR, ASL_MSG_RESERVED_WORD, Op, Op->Asl.ExternalName);
-        return (ACPI_COMPILER_RESERVED_NAME);
-    }
-
-    /*
-     * The name didn't match any of the known reserved names. Flag it as a
-     * warning, since the entire namespace starting with an underscore is
-     * reserved by the ACPI spec.
-     */
-    AslError (ASL_WARNING, ASL_MSG_UNKNOWN_RESERVED_NAME, Op,
-        Op->Asl.ExternalName);
-
-    return (ACPI_NOT_RESERVED_NAME);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnCheckForReservedMethod
- *
- * PARAMETERS:  Op              - A parse node of type "METHOD".
- *              MethodInfo      - Saved info about this method
- *
- * RETURN:      None
- *
- * DESCRIPTION: If method is a reserved name, check that the number of arguments
- *              and the return type (returns a value or not) is correct.
- *
- ******************************************************************************/
-
-static void
-AnCheckForReservedMethod (
-    ACPI_PARSE_OBJECT       *Op,
-    ASL_METHOD_INFO         *MethodInfo)
-{
-    UINT32                  Index;
-
-
-    /* Check for a match against the reserved name list */
-
-    Index = AnCheckForReservedName (Op, Op->Asl.NameSeg);
-
-    switch (Index)
-    {
-    case ACPI_NOT_RESERVED_NAME:
-    case ACPI_PREDEFINED_NAME:
-    case ACPI_COMPILER_RESERVED_NAME:
-
-        /* Just return, nothing to do */
-        break;
-
-
-    case ACPI_EVENT_RESERVED_NAME:
-
-        Gbl_ReservedMethods++;
-
-        /* NumArguments must be zero for all _Lxx, _Exx, and _Qxx methods */
-
-        if (MethodInfo->NumArguments != 0)
-        {
-            sprintf (MsgBuffer, "%s requires %d",
-                        Op->Asl.ExternalName, 0);
-
-            AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_HI, Op, MsgBuffer);
-        }
-        break;
-
-
-    default:
-
-        Gbl_ReservedMethods++;
-
-        /* Matched a reserved method name */
-
-        if (MethodInfo->NumArguments != ReservedMethods[Index].NumArguments)
-        {
-            sprintf (MsgBuffer, "%s requires %d",
-                        ReservedMethods[Index].Name,
-                        ReservedMethods[Index].NumArguments);
-
-            if (MethodInfo->NumArguments > ReservedMethods[Index].NumArguments)
-            {
-                AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_HI, Op,
-                    MsgBuffer);
-            }
-            else
-            {
-                AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_LO, Op,
-                    MsgBuffer);
-            }
-        }
-
-        if (MethodInfo->NumReturnNoValue &&
-            ReservedMethods[Index].Flags & ASL_RSVD_RETURN_VALUE)
-        {
-            sprintf (MsgBuffer, "%s", ReservedMethods[Index].Name);
-
-            AslError (ASL_WARNING, ASL_MSG_RESERVED_RETURN_VALUE, Op, MsgBuffer);
-        }
-        break;
-    }
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnMapObjTypeToBtype
- *
- * PARAMETERS:  Op              - A parse node
- *
- * RETURN:      A Btype
- *
- * DESCRIPTION: Map object to the associated "Btype"
- *
- ******************************************************************************/
-
-static UINT32
-AnMapObjTypeToBtype (
-    ACPI_PARSE_OBJECT       *Op)
-{
-
-    switch (Op->Asl.ParseOpcode)
-    {
-    case PARSEOP_OBJECTTYPE_BFF:        /* "BuffFieldObj" */
-        return (ACPI_BTYPE_BUFFER_FIELD);
-
-    case PARSEOP_OBJECTTYPE_BUF:        /* "BuffObj" */
-        return (ACPI_BTYPE_BUFFER);
-
-    case PARSEOP_OBJECTTYPE_DDB:        /* "DDBHandleObj" */
-        return (ACPI_BTYPE_DDB_HANDLE);
-
-    case PARSEOP_OBJECTTYPE_DEV:        /* "DeviceObj" */
-        return (ACPI_BTYPE_DEVICE);
-
-    case PARSEOP_OBJECTTYPE_EVT:        /* "EventObj" */
-        return (ACPI_BTYPE_EVENT);
-
-    case PARSEOP_OBJECTTYPE_FLD:        /* "FieldUnitObj" */
-        return (ACPI_BTYPE_FIELD_UNIT);
-
-    case PARSEOP_OBJECTTYPE_INT:        /* "IntObj" */
-        return (ACPI_BTYPE_INTEGER);
-
-    case PARSEOP_OBJECTTYPE_MTH:        /* "MethodObj" */
-        return (ACPI_BTYPE_METHOD);
-
-    case PARSEOP_OBJECTTYPE_MTX:        /* "MutexObj" */
-        return (ACPI_BTYPE_MUTEX);
-
-    case PARSEOP_OBJECTTYPE_OPR:        /* "OpRegionObj" */
-        return (ACPI_BTYPE_REGION);
-
-    case PARSEOP_OBJECTTYPE_PKG:        /* "PkgObj" */
-        return (ACPI_BTYPE_PACKAGE);
-
-    case PARSEOP_OBJECTTYPE_POW:        /* "PowerResObj" */
-        return (ACPI_BTYPE_POWER);
-
-    case PARSEOP_OBJECTTYPE_STR:        /* "StrObj" */
-        return (ACPI_BTYPE_STRING);
-
-    case PARSEOP_OBJECTTYPE_THZ:        /* "ThermalZoneObj" */
-        return (ACPI_BTYPE_THERMAL);
-
-    case PARSEOP_OBJECTTYPE_UNK:        /* "UnknownObj" */
-        return (ACPI_BTYPE_OBJECTS_AND_REFS);
-
-    default:
-        return (0);
-    }
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnMethodAnalysisWalkBegin
- *
- * PARAMETERS:  ASL_WALK_CALLBACK
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Descending callback for the analysis walk. Check methods for:
- *              1) Initialized local variables
- *              2) Valid arguments
- *              3) Return types
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AnMethodAnalysisWalkBegin (
-    ACPI_PARSE_OBJECT       *Op,
-    UINT32                  Level,
-    void                    *Context)
-{
-    ASL_ANALYSIS_WALK_INFO  *WalkInfo = (ASL_ANALYSIS_WALK_INFO *) Context;
-    ASL_METHOD_INFO         *MethodInfo = WalkInfo->MethodStack;
-    ACPI_PARSE_OBJECT       *Next;
-    UINT32                  RegisterNumber;
-    UINT32                  i;
-    char                    LocalName[] = "Local0";
-    char                    ArgName[] = "Arg0";
-    ACPI_PARSE_OBJECT       *ArgNode;
-    ACPI_PARSE_OBJECT       *NextType;
-    ACPI_PARSE_OBJECT       *NextParamType;
-    UINT8                   ActualArgs = 0;
-
-
-    switch (Op->Asl.ParseOpcode)
-    {
-    case PARSEOP_METHOD:
-
-        TotalMethods++;
-
-        /* Create and init method info */
-
-        MethodInfo       = UtLocalCalloc (sizeof (ASL_METHOD_INFO));
-        MethodInfo->Next = WalkInfo->MethodStack;
-        MethodInfo->Op = Op;
-
-        WalkInfo->MethodStack = MethodInfo;
-
-        /* Get the name node, ignored here */
-
-        Next = Op->Asl.Child;
-
-        /* Get the NumArguments node */
-
-        Next = Next->Asl.Next;
-        MethodInfo->NumArguments = (UINT8)
-            (((UINT8) Next->Asl.Value.Integer) & 0x07);
-
-        /* Get the SerializeRule and SyncLevel nodes, ignored here */
-
-        Next = Next->Asl.Next;
-        Next = Next->Asl.Next;
-        ArgNode = Next;
-
-        /* Get the ReturnType node */
-
-        Next = Next->Asl.Next;
-
-        NextType = Next->Asl.Child;
-        while (NextType)
-        {
-            /* Get and map each of the ReturnTypes */
-
-            MethodInfo->ValidReturnTypes |= AnMapObjTypeToBtype (NextType);
-            NextType->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
-            NextType = NextType->Asl.Next;
-        }
-
-        /* Get the ParameterType node */
-
-        Next = Next->Asl.Next;
-
-        NextType = Next->Asl.Child;
-        while (NextType)
-        {
-            if (NextType->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
-            {
-                NextParamType = NextType->Asl.Child;
-                while (NextParamType)
-                {
-                    MethodInfo->ValidArgTypes[ActualArgs] |= AnMapObjTypeToBtype (NextParamType);
-                    NextParamType->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
-                    NextParamType = NextParamType->Asl.Next;
-                }
-            }
-            else
-            {
-                MethodInfo->ValidArgTypes[ActualArgs] =
-                    AnMapObjTypeToBtype (NextType);
-                NextType->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
-            }
-
-            ActualArgs++;
-            NextType = NextType->Asl.Next;
-        }
-
-        if ((MethodInfo->NumArguments) &&
-            (MethodInfo->NumArguments != ActualArgs))
-        {
-            /* error: Param list did not match number of args */
-        }
-
-        /* Allow numarguments == 0 for Function() */
-
-        if ((!MethodInfo->NumArguments) && (ActualArgs))
-        {
-            MethodInfo->NumArguments = ActualArgs;
-            ArgNode->Asl.Value.Integer |= ActualArgs;
-        }
-
-        /*
-         * Actual arguments are initialized at method entry.
-         * All other ArgX "registers" can be used as locals, so we
-         * track their initialization.
-         */
-        for (i = 0; i < MethodInfo->NumArguments; i++)
-        {
-            MethodInfo->ArgInitialized[i] = TRUE;
-        }
-        break;
-
-
-    case PARSEOP_METHODCALL:
-
-        if (MethodInfo &&
-           (Op->Asl.Node == MethodInfo->Op->Asl.Node))
-        {
-            AslError (ASL_REMARK, ASL_MSG_RECURSION, Op, Op->Asl.ExternalName);
-        }
-        break;
-
-
-    case PARSEOP_LOCAL0:
-    case PARSEOP_LOCAL1:
-    case PARSEOP_LOCAL2:
-    case PARSEOP_LOCAL3:
-    case PARSEOP_LOCAL4:
-    case PARSEOP_LOCAL5:
-    case PARSEOP_LOCAL6:
-    case PARSEOP_LOCAL7:
-
-        if (!MethodInfo)
-        {
-            /*
-             * Probably was an error in the method declaration,
-             * no additional error here
-             */
-            ACPI_WARNING ((AE_INFO, "%p, No parent method", Op));
-            return (AE_ERROR);
-        }
-
-        RegisterNumber = (Op->Asl.AmlOpcode & 0x000F);
-
-        /*
-         * If the local is being used as a target, mark the local
-         * initialized
-         */
-        if (Op->Asl.CompileFlags & NODE_IS_TARGET)
-        {
-            MethodInfo->LocalInitialized[RegisterNumber] = TRUE;
-        }
-
-        /*
-         * Otherwise, this is a reference, check if the local
-         * has been previously initialized.
-         *
-         * The only operator that accepts an uninitialized value is ObjectType()
-         */
-        else if ((!MethodInfo->LocalInitialized[RegisterNumber]) &&
-                 (Op->Asl.Parent->Asl.ParseOpcode != PARSEOP_OBJECTTYPE))
-        {
-            LocalName[strlen (LocalName) -1] = (char) (RegisterNumber + 0x30);
-            AslError (ASL_ERROR, ASL_MSG_LOCAL_INIT, Op, LocalName);
-        }
-        break;
-
-
-    case PARSEOP_ARG0:
-    case PARSEOP_ARG1:
-    case PARSEOP_ARG2:
-    case PARSEOP_ARG3:
-    case PARSEOP_ARG4:
-    case PARSEOP_ARG5:
-    case PARSEOP_ARG6:
-
-        if (!MethodInfo)
-        {
-            /*
-             * Probably was an error in the method declaration,
-             * no additional error here
-             */
-            ACPI_WARNING ((AE_INFO, "%p, No parent method", Op));
-            return (AE_ERROR);
-        }
-
-        RegisterNumber = (Op->Asl.AmlOpcode & 0x000F) - 8;
-        ArgName[strlen (ArgName) -1] = (char) (RegisterNumber + 0x30);
-
-        /*
-         * If the Arg is being used as a target, mark the local
-         * initialized
-         */
-        if (Op->Asl.CompileFlags & NODE_IS_TARGET)
-        {
-            MethodInfo->ArgInitialized[RegisterNumber] = TRUE;
-        }
-
-        /*
-         * Otherwise, this is a reference, check if the Arg
-         * has been previously initialized.
-         *
-         * The only operator that accepts an uninitialized value is ObjectType()
-         */
-        else if ((!MethodInfo->ArgInitialized[RegisterNumber]) &&
-                 (Op->Asl.Parent->Asl.ParseOpcode != PARSEOP_OBJECTTYPE))
-        {
-            AslError (ASL_ERROR, ASL_MSG_ARG_INIT, Op, ArgName);
-        }
-
-        /* Flag this arg if it is not a "real" argument to the method */
-
-        if (RegisterNumber >= MethodInfo->NumArguments)
-        {
-            AslError (ASL_REMARK, ASL_MSG_NOT_PARAMETER, Op, ArgName);
-        }
-        break;
-
-
-    case PARSEOP_RETURN:
-
-        if (!MethodInfo)
-        {
-            /*
-             * Probably was an error in the method declaration,
-             * no additional error here
-             */
-            ACPI_WARNING ((AE_INFO, "%p, No parent method", Op));
-            return (AE_ERROR);
-        }
-
-        /* Child indicates a return value */
-
-        if ((Op->Asl.Child) &&
-            (Op->Asl.Child->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG))
-        {
-            MethodInfo->NumReturnWithValue++;
-        }
-        else
-        {
-            MethodInfo->NumReturnNoValue++;
-        }
-        break;
-
-
-    case PARSEOP_BREAK:
-    case PARSEOP_CONTINUE:
-
-        Next = Op->Asl.Parent;
-        while (Next)
-        {
-            if (Next->Asl.ParseOpcode == PARSEOP_WHILE)
-            {
-                break;
-            }
-            Next = Next->Asl.Parent;
-        }
-
-        if (!Next)
-        {
-            AslError (ASL_ERROR, ASL_MSG_NO_WHILE, Op, NULL);
-        }
-        break;
-
-
-    case PARSEOP_STALL:
-
-        /* We can range check if the argument is an integer */
-
-        if ((Op->Asl.Child->Asl.ParseOpcode == PARSEOP_INTEGER) &&
-            (Op->Asl.Child->Asl.Value.Integer > ACPI_UINT8_MAX))
-        {
-            AslError (ASL_ERROR, ASL_MSG_INVALID_TIME, Op, NULL);
-        }
-        break;
-
-
-    case PARSEOP_DEVICE:
-    case PARSEOP_EVENT:
-    case PARSEOP_MUTEX:
-    case PARSEOP_OPERATIONREGION:
-    case PARSEOP_POWERRESOURCE:
-    case PARSEOP_PROCESSOR:
-    case PARSEOP_THERMALZONE:
-
-        /*
-         * The first operand is a name to be created in the namespace.
-         * Check against the reserved list.
-         */
-        i = AnCheckForReservedName (Op, Op->Asl.NameSeg);
-        if (i < ACPI_VALID_RESERVED_NAME_MAX)
-        {
-            AslError (ASL_ERROR, ASL_MSG_RESERVED_USE, Op, Op->Asl.ExternalName);
-        }
-        break;
-
-
-    case PARSEOP_NAME:
-
-        i = AnCheckForReservedName (Op, Op->Asl.NameSeg);
-        if (i < ACPI_VALID_RESERVED_NAME_MAX)
-        {
-            if (ReservedMethods[i].NumArguments > 0)
-            {
-                /*
-                 * This reserved name must be a control method because
-                 * it must have arguments
-                 */
-                AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op,
-                    "with arguments");
-            }
-
-            /* Typechecking for _HID */
-
-            else if (!ACPI_STRCMP (METHOD_NAME__HID, ReservedMethods[i].Name))
-            {
-                /* Examine the second operand to typecheck it */
-
-                Next = Op->Asl.Child->Asl.Next;
-
-                if ((Next->Asl.ParseOpcode != PARSEOP_INTEGER) &&
-                    (Next->Asl.ParseOpcode != PARSEOP_STRING_LITERAL))
-                {
-                    /* _HID must be a string or an integer */
-
-                    AslError (ASL_ERROR, ASL_MSG_RESERVED_OPERAND_TYPE, Next,
-                        "String or Integer");
-                }
-
-                if (Next->Asl.ParseOpcode == PARSEOP_STRING_LITERAL)
-                {
-                    /*
-                     * _HID is a string, all characters must be alphanumeric.
-                     * One of the things we want to catch here is the use of
-                     * a leading asterisk in the string.
-                     */
-                    for (i = 0; Next->Asl.Value.String[i]; i++)
-                    {
-                        if (!isalnum (Next->Asl.Value.String[i]))
-                        {
-                            AslError (ASL_ERROR, ASL_MSG_ALPHANUMERIC_STRING,
-                                Next, Next->Asl.Value.String);
-                            break;
-                        }
-                    }
-                }
-            }
-        }
-        break;
-
-
-    default:
-        break;
-    }
-
-    return AE_OK;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnLastStatementIsReturn
- *
- * PARAMETERS:  Op            - A method parse node
- *
- * RETURN:      TRUE if last statement is an ASL RETURN. False otherwise
- *
- * DESCRIPTION: Walk down the list of top level statements within a method
- *              to find the last one. Check if that last statement is in
- *              fact a RETURN statement.
- *
- ******************************************************************************/
-
-static BOOLEAN
-AnLastStatementIsReturn (
-    ACPI_PARSE_OBJECT       *Op)
-{
-    ACPI_PARSE_OBJECT       *Next;
-
-
-    /*
-     * Check if last statement is a return
-     */
-    Next = ASL_GET_CHILD_NODE (Op);
-    while (Next)
-    {
-        if ((!Next->Asl.Next) &&
-            (Next->Asl.ParseOpcode == PARSEOP_RETURN))
-        {
-            return TRUE;
-        }
-
-        Next = ASL_GET_PEER_NODE (Next);
-    }
-
-    return FALSE;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnMethodAnalysisWalkEnd
- *
- * PARAMETERS:  ASL_WALK_CALLBACK
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Ascending callback for analysis walk. Complete method
- *              return analysis.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AnMethodAnalysisWalkEnd (
-    ACPI_PARSE_OBJECT       *Op,
-    UINT32                  Level,
-    void                    *Context)
-{
-    ASL_ANALYSIS_WALK_INFO  *WalkInfo = (ASL_ANALYSIS_WALK_INFO *) Context;
-    ASL_METHOD_INFO         *MethodInfo = WalkInfo->MethodStack;
-
-
-    switch (Op->Asl.ParseOpcode)
-    {
-    case PARSEOP_METHOD:
-    case PARSEOP_RETURN:
-        if (!MethodInfo)
-        {
-            printf ("No method info for method! [%s]\n", Op->Asl.Namepath);
-            AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op,
-                "No method info for this method");
-            CmCleanupAndExit ();
-            return (AE_AML_INTERNAL);
-        }
-        break;
-
-    default:
-        break;
-    }
-
-    switch (Op->Asl.ParseOpcode)
-    {
-    case PARSEOP_METHOD:
-
-        WalkInfo->MethodStack = MethodInfo->Next;
-
-        /*
-         * Check if there is no return statement at the end of the
-         * method AND we can actually get there -- i.e., the execution
-         * of the method can possibly terminate without a return statement.
-         */
-        if ((!AnLastStatementIsReturn (Op)) &&
-            (!(Op->Asl.CompileFlags & NODE_HAS_NO_EXIT)))
-        {
-            /*
-             * No return statement, and execution can possibly exit
-             * via this path. This is equivalent to Return ()
-             */
-            MethodInfo->NumReturnNoValue++;
-        }
-
-        /*
-         * Check for case where some return statements have a return value
-         * and some do not. Exit without a return statement is a return with
-         * no value
-         */
-        if (MethodInfo->NumReturnNoValue &&
-            MethodInfo->NumReturnWithValue)
-        {
-            AslError (ASL_WARNING, ASL_MSG_RETURN_TYPES, Op,
-                Op->Asl.ExternalName);
-        }
-
-        /*
-         * If there are any RETURN() statements with no value, or there is a
-         * control path that allows the method to exit without a return value,
-         * we mark the method as a method that does not return a value. This
-         * knowledge can be used to check method invocations that expect a
-         * returned value.
-         */
-        if (MethodInfo->NumReturnNoValue)
-        {
-            if (MethodInfo->NumReturnWithValue)
-            {
-                Op->Asl.CompileFlags |= NODE_METHOD_SOME_NO_RETVAL;
-            }
-            else
-            {
-                Op->Asl.CompileFlags |= NODE_METHOD_NO_RETVAL;
-            }
-        }
-
-        /*
-         * Check predefined method names for correct return behavior
-         * and correct number of arguments
-         */
-        AnCheckForReservedMethod (Op, MethodInfo);
-        ACPI_FREE (MethodInfo);
-        break;
-
-
-    case PARSEOP_RETURN:
-
-        /*
-         * The parent block does not "exit" and continue execution -- the
-         * method is terminated here with the Return() statement.
-         */
-        Op->Asl.Parent->Asl.CompileFlags |= NODE_HAS_NO_EXIT;
-
-        /* Used in the "typing" pass later */
-
-        Op->Asl.ParentMethod = MethodInfo->Op;
-
-        /*
-         * If there is a peer node after the return statement, then this
-         * node is unreachable code -- i.e., it won't be executed because of
-         * the preceeding Return() statement.
-         */
-        if (Op->Asl.Next)
-        {
-            AslError (ASL_WARNING, ASL_MSG_UNREACHABLE_CODE, Op->Asl.Next, NULL);
-        }
-        break;
-
-
-    case PARSEOP_IF:
-
-        if ((Op->Asl.CompileFlags & NODE_HAS_NO_EXIT) &&
-            (Op->Asl.Next) &&
-            (Op->Asl.Next->Asl.ParseOpcode == PARSEOP_ELSE))
-        {
-            /*
-             * This IF has a corresponding ELSE. The IF block has no exit,
-             * (it contains an unconditional Return)
-             * mark the ELSE block to remember this fact.
-             */
-            Op->Asl.Next->Asl.CompileFlags |= NODE_IF_HAS_NO_EXIT;
-        }
-        break;
-
-
-    case PARSEOP_ELSE:
-
-        if ((Op->Asl.CompileFlags & NODE_HAS_NO_EXIT) &&
-            (Op->Asl.CompileFlags & NODE_IF_HAS_NO_EXIT))
-        {
-            /*
-             * This ELSE block has no exit and the corresponding IF block
-             * has no exit either. Therefore, the parent node has no exit.
-             */
-            Op->Asl.Parent->Asl.CompileFlags |= NODE_HAS_NO_EXIT;
-        }
-        break;
-
-
-    default:
-
-        if ((Op->Asl.CompileFlags & NODE_HAS_NO_EXIT) &&
-            (Op->Asl.Parent))
-        {
-            /* If this node has no exit, then the parent has no exit either */
-
-            Op->Asl.Parent->Asl.CompileFlags |= NODE_HAS_NO_EXIT;
-        }
-        break;
-    }
-
-    return AE_OK;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnMethodTypingWalkBegin
- *
- * PARAMETERS:  ASL_WALK_CALLBACK
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Descending callback for the typing walk.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AnMethodTypingWalkBegin (
-    ACPI_PARSE_OBJECT       *Op,
-    UINT32                  Level,
-    void                    *Context)
-{
-
-    return AE_OK;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnMethodTypingWalkEnd
- *
- * PARAMETERS:  ASL_WALK_CALLBACK
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Ascending callback for typing walk. Complete the method
- *              return analysis. Check methods for:
- *              1) Initialized local variables
- *              2) Valid arguments
- *              3) Return types
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AnMethodTypingWalkEnd (
-    ACPI_PARSE_OBJECT       *Op,
-    UINT32                  Level,
-    void                    *Context)
-{
-    UINT32                  ThisNodeBtype;
-
-
-    switch (Op->Asl.ParseOpcode)
-    {
-    case PARSEOP_METHOD:
-
-        Op->Asl.CompileFlags |= NODE_METHOD_TYPED;
-        break;
-
-    case PARSEOP_RETURN:
-
-        if ((Op->Asl.Child) &&
-            (Op->Asl.Child->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG))
-        {
-            ThisNodeBtype = AnGetBtype (Op->Asl.Child);
-
-            if ((Op->Asl.Child->Asl.ParseOpcode == PARSEOP_METHODCALL) &&
-                (ThisNodeBtype == (ACPI_UINT32_MAX -1)))
-            {
-                /*
-                 * The called method is untyped at this time (typically a
-                 * forward reference).
-                 *
-                 * Check for a recursive method call first.
-                 */
-                if (Op->Asl.ParentMethod != Op->Asl.Child->Asl.Node->Op)
-                {
-                    /* We must type the method here */
-
-                    TrWalkParseTree (Op->Asl.Child->Asl.Node->Op,
-                        ASL_WALK_VISIT_TWICE, AnMethodTypingWalkBegin,
-                        AnMethodTypingWalkEnd, NULL);
-
-                    ThisNodeBtype = AnGetBtype (Op->Asl.Child);
-                }
-            }
-
-            /* Returns a value, save the value type */
-
-            if (Op->Asl.ParentMethod)
-            {
-                Op->Asl.ParentMethod->Asl.AcpiBtype |= ThisNodeBtype;
-            }
-        }
-        break;
-
-    default:
-        break;
-    }
-
-    return AE_OK;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnCheckMethodReturnValue
- *
- * PARAMETERS:  Op                  - Parent
- *              OpInfo              - Parent info
- *              ArgOp               - Method invocation op
- *              RequiredBtypes      - What caller requires
- *              ThisNodeBtype       - What this node returns (if anything)
- *
- * RETURN:      None
- *
- * DESCRIPTION: Check a method invocation for 1) A return value and if it does
- *              in fact return a value, 2) check the type of the return value.
- *
- ******************************************************************************/
-
-static void
-AnCheckMethodReturnValue (
-    ACPI_PARSE_OBJECT       *Op,
-    const ACPI_OPCODE_INFO  *OpInfo,
-    ACPI_PARSE_OBJECT       *ArgOp,
-    UINT32                  RequiredBtypes,
-    UINT32                  ThisNodeBtype)
-{
-    ACPI_PARSE_OBJECT       *OwningOp;
-    ACPI_NAMESPACE_NODE     *Node;
-
-
-    Node = ArgOp->Asl.Node;
-
-
-    /* Examine the parent op of this method */
-
-    OwningOp = Node->Op;
-    if (OwningOp->Asl.CompileFlags & NODE_METHOD_NO_RETVAL)
-    {
-        /* Method NEVER returns a value */
-
-        AslError (ASL_ERROR, ASL_MSG_NO_RETVAL, Op, Op->Asl.ExternalName);
-    }
-    else if (OwningOp->Asl.CompileFlags & NODE_METHOD_SOME_NO_RETVAL)
-    {
-        /* Method SOMETIMES returns a value, SOMETIMES not */
-
-        AslError (ASL_WARNING, ASL_MSG_SOME_NO_RETVAL, Op, Op->Asl.ExternalName);
-    }
-    else if (!(ThisNodeBtype & RequiredBtypes))
-    {
-        /* Method returns a value, but the type is wrong */
-
-        AnFormatBtype (StringBuffer, ThisNodeBtype);
-        AnFormatBtype (StringBuffer2, RequiredBtypes);
-
-
-        /*
-         * The case where the method does not return any value at all
-         * was already handled in the namespace cross reference
-         * -- Only issue an error if the method in fact returns a value,
-         * but it is of the wrong type
-         */
-        if (ThisNodeBtype != 0)
-        {
-            sprintf (MsgBuffer,
-                "Method returns [%s], %s operator requires [%s]",
-                StringBuffer, OpInfo->Name, StringBuffer2);
-
-            AslError (ASL_ERROR, ASL_MSG_INVALID_TYPE, ArgOp, MsgBuffer);
-        }
-    }
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnOperandTypecheckWalkBegin
- *
- * PARAMETERS:  ASL_WALK_CALLBACK
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Descending callback for the analysis walk. Check methods for:
- *              1) Initialized local variables
- *              2) Valid arguments
- *              3) Return types
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AnOperandTypecheckWalkBegin (
-    ACPI_PARSE_OBJECT       *Op,
-    UINT32                  Level,
-    void                    *Context)
-{
-
-    return AE_OK;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnOperandTypecheckWalkEnd
- *
- * PARAMETERS:  ASL_WALK_CALLBACK
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Ascending callback for analysis walk. Complete method
- *              return analysis.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AnOperandTypecheckWalkEnd (
-    ACPI_PARSE_OBJECT       *Op,
-    UINT32                  Level,
-    void                    *Context)
-{
-    const ACPI_OPCODE_INFO  *OpInfo;
-    UINT32                  RuntimeArgTypes;
-    UINT32                  RuntimeArgTypes2;
-    UINT32                  RequiredBtypes;
-    UINT32                  ThisNodeBtype;
-    UINT32                  CommonBtypes;
-    UINT32                  OpcodeClass;
-    ACPI_PARSE_OBJECT       *ArgOp;
-    UINT32                  ArgType;
-
-
-    switch (Op->Asl.AmlOpcode)
-    {
-    case AML_RAW_DATA_BYTE:
-    case AML_RAW_DATA_WORD:
-    case AML_RAW_DATA_DWORD:
-    case AML_RAW_DATA_QWORD:
-    case AML_RAW_DATA_BUFFER:
-    case AML_RAW_DATA_CHAIN:
-    case AML_PACKAGE_LENGTH:
-    case AML_UNASSIGNED_OPCODE:
-    case AML_DEFAULT_ARG_OP:
-
-        /* Ignore the internal (compiler-only) AML opcodes */
-
-        return (AE_OK);
-
-    default:
-        break;
-    }
-
-    OpInfo = AcpiPsGetOpcodeInfo (Op->Asl.AmlOpcode);
-    if (!OpInfo)
-    {
-        return (AE_OK);
-    }
-
-    ArgOp           = Op->Asl.Child;
-    RuntimeArgTypes = OpInfo->RuntimeArgs;
-    OpcodeClass     = OpInfo->Class;
-
-
-    /*
-     * Special case for control opcodes IF/RETURN/WHILE since they
-     * have no runtime arg list (at this time)
-     */
-    switch (Op->Asl.AmlOpcode)
-    {
-    case AML_IF_OP:
-    case AML_WHILE_OP:
-    case AML_RETURN_OP:
-
-        if (ArgOp->Asl.ParseOpcode == PARSEOP_METHODCALL)
-        {
-            /* Check for an internal method */
-
-            if (AnIsInternalMethod (ArgOp))
-            {
-                return (AE_OK);
-            }
-
-            /* The lone arg is a method call, check it */
-
-            RequiredBtypes = AnMapArgTypeToBtype (ARGI_INTEGER);
-            if (Op->Asl.AmlOpcode == AML_RETURN_OP)
-            {
-                RequiredBtypes = 0xFFFFFFFF;
-            }
-
-            ThisNodeBtype = AnGetBtype (ArgOp);
-            if (ThisNodeBtype == ACPI_UINT32_MAX)
-            {
-                return (AE_OK);
-            }
-            AnCheckMethodReturnValue (Op, OpInfo, ArgOp,
-                RequiredBtypes, ThisNodeBtype);
-        }
-        return (AE_OK);
-
-    default:
-        break;
-    }
-
-    /* Ignore the non-executable opcodes */
-
-    if (RuntimeArgTypes == ARGI_INVALID_OPCODE)
-    {
-        return (AE_OK);
-    }
-
-    switch (OpcodeClass)
-    {
-    case AML_CLASS_EXECUTE:
-    case AML_CLASS_CREATE:
-    case AML_CLASS_CONTROL:
-    case AML_CLASS_RETURN_VALUE:
-
-        /* TBD: Change class or fix typechecking for these */
-
-        if ((Op->Asl.AmlOpcode == AML_BUFFER_OP)        ||
-            (Op->Asl.AmlOpcode == AML_PACKAGE_OP)       ||
-            (Op->Asl.AmlOpcode == AML_VAR_PACKAGE_OP))
-        {
-            break;
-        }
-
-        /* Reverse the runtime argument list */
-
-        RuntimeArgTypes2 = 0;
-        while ((ArgType = GET_CURRENT_ARG_TYPE (RuntimeArgTypes)))
-        {
-            RuntimeArgTypes2 <<= ARG_TYPE_WIDTH;
-            RuntimeArgTypes2 |= ArgType;
-            INCREMENT_ARG_LIST (RuntimeArgTypes);
-        }
-
-        while ((ArgType = GET_CURRENT_ARG_TYPE (RuntimeArgTypes2)))
-        {
-            RequiredBtypes = AnMapArgTypeToBtype (ArgType);
-
-            ThisNodeBtype = AnGetBtype (ArgOp);
-            if (ThisNodeBtype == ACPI_UINT32_MAX)
-            {
-                goto NextArgument;
-            }
-
-            /* Examine the arg based on the required type of the arg */
-
-            switch (ArgType)
-            {
-            case ARGI_TARGETREF:
-
-                if (ArgOp->Asl.ParseOpcode == PARSEOP_ZERO)
-                {
-                    /* ZERO is the placeholder for "don't store result" */
-
-                    ThisNodeBtype = RequiredBtypes;
-                    break;
-                }
-
-                if (ArgOp->Asl.ParseOpcode == PARSEOP_INTEGER)
-                {
-                    /*
-                     * This is the case where an original reference to a resource
-                     * descriptor field has been replaced by an (Integer) offset.
-                     * These named fields are supported at compile-time only;
-                     * the names are not passed to the interpreter (via the AML).
-                     */
-                    if ((ArgOp->Asl.Node->Type == ACPI_TYPE_LOCAL_RESOURCE_FIELD) ||
-                        (ArgOp->Asl.Node->Type == ACPI_TYPE_LOCAL_RESOURCE))
-                    {
-                        AslError (ASL_ERROR, ASL_MSG_RESOURCE_FIELD, ArgOp, NULL);
-                    }
-                    else
-                    {
-                        AslError (ASL_ERROR, ASL_MSG_INVALID_TYPE, ArgOp, NULL);
-                    }
-                    break;
-                }
-
-                if ((ArgOp->Asl.ParseOpcode == PARSEOP_METHODCALL) ||
-                    (ArgOp->Asl.ParseOpcode == PARSEOP_DEREFOF))
-                {
-                    break;
-                }
-
-                ThisNodeBtype = RequiredBtypes;
-                break;
-
-
-            case ARGI_REFERENCE:            /* References */
-            case ARGI_INTEGER_REF:
-            case ARGI_OBJECT_REF:
-            case ARGI_DEVICE_REF:
-
-                switch (ArgOp->Asl.ParseOpcode)
-                {
-                case PARSEOP_LOCAL0:
-                case PARSEOP_LOCAL1:
-                case PARSEOP_LOCAL2:
-                case PARSEOP_LOCAL3:
-                case PARSEOP_LOCAL4:
-                case PARSEOP_LOCAL5:
-                case PARSEOP_LOCAL6:
-                case PARSEOP_LOCAL7:
-
-                    /* TBD: implement analysis of current value (type) of the local */
-                    /* For now, just treat any local as a typematch */
-
-                    /*ThisNodeBtype = RequiredBtypes;*/
-                    break;
-
-                case PARSEOP_ARG0:
-                case PARSEOP_ARG1:
-                case PARSEOP_ARG2:
-                case PARSEOP_ARG3:
-                case PARSEOP_ARG4:
-                case PARSEOP_ARG5:
-                case PARSEOP_ARG6:
-
-                    /* Hard to analyze argument types, sow we won't */
-                    /* For now, just treat any arg as a typematch */
-
-                    /* ThisNodeBtype = RequiredBtypes; */
-                    break;
-
-                case PARSEOP_DEBUG:
-                    break;
-
-                case PARSEOP_REFOF:
-                case PARSEOP_INDEX:
-                default:
-                    break;
-
-                }
-                break;
-
-            case ARGI_INTEGER:
-            default:
-                break;
-            }
-
-
-            CommonBtypes = ThisNodeBtype & RequiredBtypes;
-
-            if (ArgOp->Asl.ParseOpcode == PARSEOP_METHODCALL)
-            {
-                if (AnIsInternalMethod (ArgOp))
-                {
-                    return (AE_OK);
-                }
-
-                /* Check a method call for a valid return value */
-
-                AnCheckMethodReturnValue (Op, OpInfo, ArgOp,
-                    RequiredBtypes, ThisNodeBtype);
-            }
-
-            /*
-             * Now check if the actual type(s) match at least one
-             * bit to the required type
-             */
-            else if (!CommonBtypes)
-            {
-                /* No match -- this is a type mismatch error */
-
-                AnFormatBtype (StringBuffer, ThisNodeBtype);
-                AnFormatBtype (StringBuffer2, RequiredBtypes);
-
-                sprintf (MsgBuffer, "[%s] found, %s operator requires [%s]",
-                            StringBuffer, OpInfo->Name, StringBuffer2);
-
-                AslError (ASL_ERROR, ASL_MSG_INVALID_TYPE, ArgOp, MsgBuffer);
-            }
-
-        NextArgument:
-            ArgOp = ArgOp->Asl.Next;
-            INCREMENT_ARG_LIST (RuntimeArgTypes2);
-        }
-        break;
-
-    default:
-        break;
-    }
-
-    return (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnIsResultUsed
- *
- * PARAMETERS:  Op              - Parent op for the operator
- *
- * RETURN:      TRUE if result from this operation is actually consumed
- *
- * DESCRIPTION: Determine if the function result value from an operator is
- *              used.
- *
- ******************************************************************************/
-
-BOOLEAN
-AnIsResultUsed (
-    ACPI_PARSE_OBJECT       *Op)
-{
-    ACPI_PARSE_OBJECT       *Parent;
-
-
-    switch (Op->Asl.ParseOpcode)
-    {
-    case PARSEOP_INCREMENT:
-    case PARSEOP_DECREMENT:
-
-        /* These are standalone operators, no return value */
-
-        return (TRUE);
-
-    default:
-        break;
-    }
-
-    /* Examine parent to determine if the return value is used */
-
-    Parent = Op->Asl.Parent;
-    switch (Parent->Asl.ParseOpcode)
-    {
-    /* If/While - check if the operator is the predicate */
-
-    case PARSEOP_IF:
-    case PARSEOP_WHILE:
-
-        /* First child is the predicate */
-
-        if (Parent->Asl.Child == Op)
-        {
-            return (TRUE);
-        }
-        return (FALSE);
-
-    /* Not used if one of these is the parent */
-
-    case PARSEOP_METHOD:
-    case PARSEOP_DEFINITIONBLOCK:
-    case PARSEOP_ELSE:
-
-        return (FALSE);
-
-    default:
-        /* Any other type of parent means that the result is used */
-
-        return (TRUE);
-    }
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnOtherSemanticAnalysisWalkBegin
- *
- * PARAMETERS:  ASL_WALK_CALLBACK
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Descending callback for the analysis walk. Checks for
- *              miscellaneous issues in the code.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AnOtherSemanticAnalysisWalkBegin (
-    ACPI_PARSE_OBJECT       *Op,
-    UINT32                  Level,
-    void                    *Context)
-{
-    ACPI_PARSE_OBJECT       *ArgNode;
-    ACPI_PARSE_OBJECT       *PrevArgNode = NULL;
-    const ACPI_OPCODE_INFO  *OpInfo;
-
-
-    OpInfo = AcpiPsGetOpcodeInfo (Op->Asl.AmlOpcode);
-
-    /*
-     * Determine if an execution class operator actually does something by
-     * checking if it has a target and/or the function return value is used.
-     * (Target is optional, so a standalone statement can actually do nothing.)
-     */
-    if ((OpInfo->Class == AML_CLASS_EXECUTE) &&
-        (OpInfo->Flags & AML_HAS_RETVAL) &&
-        (!AnIsResultUsed (Op)))
-    {
-        if (OpInfo->Flags & AML_HAS_TARGET)
-        {
-            /*
-             * Find the target node, it is always the last child. If the traget
-             * is not specified in the ASL, a default node of type Zero was
-             * created by the parser.
-             */
-            ArgNode = Op->Asl.Child;
-            while (ArgNode->Asl.Next)
-            {
-                PrevArgNode = ArgNode;
-                ArgNode = ArgNode->Asl.Next;
-            }
-
-            /* Divide() is the only weird case, it has two targets */
-
-            if (Op->Asl.AmlOpcode == AML_DIVIDE_OP)
-            {
-                if ((ArgNode->Asl.ParseOpcode == PARSEOP_ZERO) &&
-                    (PrevArgNode->Asl.ParseOpcode == PARSEOP_ZERO))
-                {
-                    AslError (ASL_WARNING, ASL_MSG_RESULT_NOT_USED, Op, Op->Asl.ExternalName);
-                }
-            }
-            else if (ArgNode->Asl.ParseOpcode == PARSEOP_ZERO)
-            {
-                AslError (ASL_WARNING, ASL_MSG_RESULT_NOT_USED, Op, Op->Asl.ExternalName);
-            }
-        }
-        else
-        {
-            /*
-             * Has no target and the result is not used. Only a couple opcodes
-             * can have this combination.
-             */
-            switch (Op->Asl.ParseOpcode)
-            {
-            case PARSEOP_ACQUIRE:
-            case PARSEOP_WAIT:
-                break;
-
-            default:
-                AslError (ASL_WARNING, ASL_MSG_RESULT_NOT_USED, Op, Op->Asl.ExternalName);
-                break;
-            }
-        }
-    }
-
-
-    /*
-     * Semantic checks for individual ASL operators
-     */
-    switch (Op->Asl.ParseOpcode)
-    {
-    case PARSEOP_ACQUIRE:
-    case PARSEOP_WAIT:
-        /*
-         * Emit a warning if the timeout parameter for these operators is not
-         * ACPI_WAIT_FOREVER, and the result value from the operator is not
-         * checked, meaning that a timeout could happen, but the code
-         * would not know about it.
-         */
-
-        /* First child is the namepath, 2nd child is timeout */
-
-        ArgNode = Op->Asl.Child;
-        ArgNode = ArgNode->Asl.Next;
-
-        /*
-         * Check for the WAIT_FOREVER case - defined by the ACPI spec to be
-         * 0xFFFF or greater
-         */
-        if (((ArgNode->Asl.ParseOpcode == PARSEOP_WORDCONST) ||
-             (ArgNode->Asl.ParseOpcode == PARSEOP_INTEGER))  &&
-             (ArgNode->Asl.Value.Integer >= (ACPI_INTEGER) ACPI_WAIT_FOREVER))
-        {
-            break;
-        }
-
-        /*
-         * The operation could timeout. If the return value is not used
-         * (indicates timeout occurred), issue a warning
-         */
-        if (!AnIsResultUsed (Op))
-        {
-            AslError (ASL_WARNING, ASL_MSG_TIMEOUT, ArgNode, Op->Asl.ExternalName);
-        }
-        break;
-
-    case PARSEOP_CREATEFIELD:
-        /*
-         * Check for a zero Length (NumBits) operand. NumBits is the 3rd operand
-         */
-        ArgNode = Op->Asl.Child;
-        ArgNode = ArgNode->Asl.Next;
-        ArgNode = ArgNode->Asl.Next;
-
-        if ((ArgNode->Asl.ParseOpcode == PARSEOP_ZERO) ||
-           ((ArgNode->Asl.ParseOpcode == PARSEOP_INTEGER) &&
-            (ArgNode->Asl.Value.Integer == 0)))
-        {
-            AslError (ASL_ERROR, ASL_MSG_NON_ZERO, ArgNode, NULL);
-        }
-        break;
-
-    default:
-        break;
-    }
-
-    return AE_OK;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AnOtherSemanticAnalysisWalkEnd
- *
- * PARAMETERS:  ASL_WALK_CALLBACK
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Ascending callback for analysis walk. Complete method
- *              return analysis.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AnOtherSemanticAnalysisWalkEnd (
-    ACPI_PARSE_OBJECT       *Op,
-    UINT32                  Level,
-    void                    *Context)
-{
-
-    return AE_OK;
-
-}
-
-
-#ifdef ACPI_OBSOLETE_FUNCTIONS
-/*******************************************************************************
- *
- * FUNCTION:    AnMapBtypeToEtype
- *
- * PARAMETERS:  Btype               - Bitfield of ACPI types
- *
- * RETURN:      The Etype corresponding the the Btype
- *
- * DESCRIPTION: Convert a bitfield type to an encoded type
- *
- ******************************************************************************/
-
-UINT32
-AnMapBtypeToEtype (
-    UINT32              Btype)
-{
-    UINT32              i;
-    UINT32              Etype;
-
-
-    if (Btype == 0)
-    {
-        return 0;
-    }
-
-    Etype = 1;
-    for (i = 1; i < Btype; i *= 2)
-    {
-        Etype++;
-    }
-
-    return (Etype);
-}
-#endif
-