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authorJung-uk Kim <jkim@FreeBSD.org>2012-02-16 00:24:10 +0000
committerJung-uk Kim <jkim@FreeBSD.org>2012-02-16 00:24:10 +0000
commit5437485bdb98c4b00f15969e013c454426e9c862 (patch)
tree71526afe7e3c45a4c88ba7b5d8d57d1e469feec2 /source/compiler/aslresource.c
parent234358d94982312d34c80b868fea481307fb3a48 (diff)
downloadsrc-5437485bdb98c4b00f15969e013c454426e9c862.tar.gz
src-5437485bdb98c4b00f15969e013c454426e9c862.zip
Import ACPICA 20120215.vendor/acpica/20120215
Notes
Notes: svn path=/vendor-sys/acpica/dist/; revision=231798 svn path=/vendor-sys/acpica/20120215/; revision=231799; tag=vendor/acpica/20120215
Diffstat (limited to 'source/compiler/aslresource.c')
-rw-r--r--source/compiler/aslresource.c1066
1 files changed, 1066 insertions, 0 deletions
diff --git a/source/compiler/aslresource.c b/source/compiler/aslresource.c
new file mode 100644
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+++ b/source/compiler/aslresource.c
@@ -0,0 +1,1066 @@
+
+/******************************************************************************
+ *
+ * Module Name: aslresource - Resource template/descriptor 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.
+ */
+
+
+#include "aslcompiler.h"
+#include "aslcompiler.y.h"
+#include "amlcode.h"
+
+
+#define _COMPONENT ACPI_COMPILER
+ ACPI_MODULE_NAME ("aslresource")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: RsSmallAddressCheck
+ *
+ * PARAMETERS: Minimum - Address Min value
+ * Maximum - Address Max value
+ * Length - Address range value
+ * Alignment - Address alignment value
+ * MinOp - Original Op for Address Min
+ * MaxOp - Original Op for Address Max
+ * LengthOp - Original Op for address range
+ * AlignOp - Original Op for address alignment. If
+ * NULL, means "zero value for alignment is
+ * OK, and means 64K alignment" (for
+ * Memory24 descriptor)
+ * Op - Parent Op for entire construct
+ *
+ * RETURN: None. Adds error messages to error log if necessary
+ *
+ * DESCRIPTION: Perform common value checks for "small" address descriptors.
+ * Currently:
+ * Io, Memory24, Memory32
+ *
+ ******************************************************************************/
+
+void
+RsSmallAddressCheck (
+ UINT8 Type,
+ UINT32 Minimum,
+ UINT32 Maximum,
+ UINT32 Length,
+ UINT32 Alignment,
+ ACPI_PARSE_OBJECT *MinOp,
+ ACPI_PARSE_OBJECT *MaxOp,
+ ACPI_PARSE_OBJECT *LengthOp,
+ ACPI_PARSE_OBJECT *AlignOp,
+ ACPI_PARSE_OBJECT *Op)
+{
+
+ if (Gbl_NoResourceChecking)
+ {
+ return;
+ }
+
+ /*
+ * Check for a so-called "null descriptor". These are descriptors that are
+ * created with most fields set to zero. The intent is that the descriptor
+ * will be updated/completed at runtime via a BufferField.
+ *
+ * If the descriptor does NOT have a resource tag, it cannot be referenced
+ * by a BufferField and we will flag this as an error. Conversely, if
+ * the descriptor has a resource tag, we will assume that a BufferField
+ * will be used to dynamically update it, so no error.
+ *
+ * A possible enhancement to this check would be to verify that in fact
+ * a BufferField is created using the resource tag, and perhaps even
+ * verify that a Store is performed to the BufferField.
+ *
+ * Note: for these descriptors, Alignment is allowed to be zero
+ */
+ if (!Minimum && !Maximum && !Length)
+ {
+ if (!Op->Asl.ExternalName)
+ {
+ /* No resource tag. Descriptor is fixed and is also illegal */
+
+ AslError (ASL_ERROR, ASL_MSG_NULL_DESCRIPTOR, Op, NULL);
+ }
+
+ return;
+ }
+
+ /* Special case for Memory24, values are compressed */
+
+ if (Type == ACPI_RESOURCE_NAME_MEMORY24)
+ {
+ if (!Alignment) /* Alignment==0 means 64K - no invalid alignment */
+ {
+ Alignment = ACPI_UINT16_MAX + 1;
+ }
+
+ Minimum <<= 8;
+ Maximum <<= 8;
+ Length *= 256;
+ }
+
+ /* IO descriptor has different definition of min/max, don't check */
+
+ if (Type != ACPI_RESOURCE_NAME_IO)
+ {
+ /* Basic checks on Min/Max/Length */
+
+ if (Minimum > Maximum)
+ {
+ AslError (ASL_ERROR, ASL_MSG_INVALID_MIN_MAX, MinOp, NULL);
+ }
+ else if (Length > (Maximum - Minimum + 1))
+ {
+ AslError (ASL_ERROR, ASL_MSG_INVALID_LENGTH, LengthOp, NULL);
+ }
+ }
+
+ /* Alignment of zero is not in ACPI spec, but is used to mean byte acc */
+
+ if (!Alignment)
+ {
+ Alignment = 1;
+ }
+
+ /* Addresses must be an exact multiple of the alignment value */
+
+ if (Minimum % Alignment)
+ {
+ AslError (ASL_ERROR, ASL_MSG_ALIGNMENT, MinOp, NULL);
+ }
+ if (Maximum % Alignment)
+ {
+ AslError (ASL_ERROR, ASL_MSG_ALIGNMENT, MaxOp, NULL);
+ }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: RsLargeAddressCheck
+ *
+ * PARAMETERS: Minimum - Address Min value
+ * Maximum - Address Max value
+ * Length - Address range value
+ * Granularity - Address granularity value
+ * Flags - General flags for address descriptors:
+ * _MIF, _MAF, _DEC
+ * MinOp - Original Op for Address Min
+ * MaxOp - Original Op for Address Max
+ * LengthOp - Original Op for address range
+ * GranOp - Original Op for address granularity
+ * Op - Parent Op for entire construct
+ *
+ * RETURN: None. Adds error messages to error log if necessary
+ *
+ * DESCRIPTION: Perform common value checks for "large" address descriptors.
+ * Currently:
+ * WordIo, WordBusNumber, WordSpace
+ * DWordIo, DWordMemory, DWordSpace
+ * QWordIo, QWordMemory, QWordSpace
+ * ExtendedIo, ExtendedMemory, ExtendedSpace
+ *
+ * _MIF flag set means that the minimum address is fixed and is not relocatable
+ * _MAF flag set means that the maximum address is fixed and is not relocatable
+ * Length of zero means that the record size is variable
+ *
+ * This function implements the LEN/MIF/MAF/MIN/MAX/GRA rules within Table 6-40
+ * of the ACPI 4.0a specification. Added 04/2010.
+ *
+ ******************************************************************************/
+
+void
+RsLargeAddressCheck (
+ UINT64 Minimum,
+ UINT64 Maximum,
+ UINT64 Length,
+ UINT64 Granularity,
+ UINT8 Flags,
+ ACPI_PARSE_OBJECT *MinOp,
+ ACPI_PARSE_OBJECT *MaxOp,
+ ACPI_PARSE_OBJECT *LengthOp,
+ ACPI_PARSE_OBJECT *GranOp,
+ ACPI_PARSE_OBJECT *Op)
+{
+
+ if (Gbl_NoResourceChecking)
+ {
+ return;
+ }
+
+ /*
+ * Check for a so-called "null descriptor". These are descriptors that are
+ * created with most fields set to zero. The intent is that the descriptor
+ * will be updated/completed at runtime via a BufferField.
+ *
+ * If the descriptor does NOT have a resource tag, it cannot be referenced
+ * by a BufferField and we will flag this as an error. Conversely, if
+ * the descriptor has a resource tag, we will assume that a BufferField
+ * will be used to dynamically update it, so no error.
+ *
+ * A possible enhancement to this check would be to verify that in fact
+ * a BufferField is created using the resource tag, and perhaps even
+ * verify that a Store is performed to the BufferField.
+ */
+ if (!Minimum && !Maximum && !Length && !Granularity)
+ {
+ if (!Op->Asl.ExternalName)
+ {
+ /* No resource tag. Descriptor is fixed and is also illegal */
+
+ AslError (ASL_ERROR, ASL_MSG_NULL_DESCRIPTOR, Op, NULL);
+ }
+
+ return;
+ }
+
+ /* Basic checks on Min/Max/Length */
+
+ if (Minimum > Maximum)
+ {
+ AslError (ASL_ERROR, ASL_MSG_INVALID_MIN_MAX, MinOp, NULL);
+ return;
+ }
+ else if (Length > (Maximum - Minimum + 1))
+ {
+ AslError (ASL_ERROR, ASL_MSG_INVALID_LENGTH, LengthOp, NULL);
+ return;
+ }
+
+ /* If specified (non-zero), ensure granularity is a power-of-two minus one */
+
+ if (Granularity)
+ {
+ if ((Granularity + 1) &
+ Granularity)
+ {
+ AslError (ASL_ERROR, ASL_MSG_INVALID_GRANULARITY, GranOp, NULL);
+ return;
+ }
+ }
+
+ /*
+ * Check the various combinations of Length, MinFixed, and MaxFixed
+ */
+ if (Length)
+ {
+ /* Fixed non-zero length */
+
+ switch (Flags & (ACPI_RESOURCE_FLAG_MIF | ACPI_RESOURCE_FLAG_MAF))
+ {
+ case 0:
+ /*
+ * Fixed length, variable locations (both _MIN and _MAX).
+ * Length must be a multiple of granularity
+ */
+ if (Granularity & Length)
+ {
+ AslError (ASL_ERROR, ASL_MSG_ALIGNMENT, LengthOp, NULL);
+ }
+ break;
+
+ case (ACPI_RESOURCE_FLAG_MIF | ACPI_RESOURCE_FLAG_MAF):
+
+ /* Fixed length, fixed location. Granularity must be zero */
+
+ if (Granularity != 0)
+ {
+ AslError (ASL_ERROR, ASL_MSG_INVALID_GRAN_FIXED, GranOp, NULL);
+ }
+
+ /* Length must be exactly the size of the min/max window */
+
+ if (Length != (Maximum - Minimum + 1))
+ {
+ AslError (ASL_ERROR, ASL_MSG_INVALID_LENGTH_FIXED, LengthOp, NULL);
+ }
+ break;
+
+ /* All other combinations are invalid */
+
+ case ACPI_RESOURCE_FLAG_MIF:
+ case ACPI_RESOURCE_FLAG_MAF:
+ default:
+ AslError (ASL_ERROR, ASL_MSG_INVALID_ADDR_FLAGS, LengthOp, NULL);
+ }
+ }
+ else
+ {
+ /* Variable length (length==0) */
+
+ switch (Flags & (ACPI_RESOURCE_FLAG_MIF | ACPI_RESOURCE_FLAG_MAF))
+ {
+ case 0:
+ /*
+ * Both _MIN and _MAX are variable.
+ * No additional requirements, just exit
+ */
+ break;
+
+ case ACPI_RESOURCE_FLAG_MIF:
+
+ /* _MIN is fixed. _MIN must be multiple of _GRA */
+
+ /*
+ * The granularity is defined by the ACPI specification to be a
+ * power-of-two minus one, therefore the granularity is a
+ * bitmask which can be used to easily validate the addresses.
+ */
+ if (Granularity & Minimum)
+ {
+ AslError (ASL_ERROR, ASL_MSG_ALIGNMENT, MinOp, NULL);
+ }
+ break;
+
+ case ACPI_RESOURCE_FLAG_MAF:
+
+ /* _MAX is fixed. (_MAX + 1) must be multiple of _GRA */
+
+ if (Granularity & (Maximum + 1))
+ {
+ AslError (ASL_ERROR, ASL_MSG_ALIGNMENT, MaxOp, "-1");
+ }
+ break;
+
+ /* Both MIF/MAF set is invalid if length is zero */
+
+ case (ACPI_RESOURCE_FLAG_MIF | ACPI_RESOURCE_FLAG_MAF):
+ default:
+ AslError (ASL_ERROR, ASL_MSG_INVALID_ADDR_FLAGS, LengthOp, NULL);
+ }
+ }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: RsGetStringDataLength
+ *
+ * PARAMETERS: InitializerOp - Start of a subtree of init nodes
+ *
+ * RETURN: Valid string length if a string node is found (otherwise 0)
+ *
+ * DESCRIPTION: In a list of peer nodes, find the first one that contains a
+ * string and return the length of the string.
+ *
+ ******************************************************************************/
+
+UINT16
+RsGetStringDataLength (
+ ACPI_PARSE_OBJECT *InitializerOp)
+{
+
+ while (InitializerOp)
+ {
+ if (InitializerOp->Asl.ParseOpcode == PARSEOP_STRING_LITERAL)
+ {
+ return ((UINT16) (strlen (InitializerOp->Asl.Value.String) + 1));
+ }
+ InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
+ }
+
+ return 0;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: RsAllocateResourceNode
+ *
+ * PARAMETERS: Size - Size of node in bytes
+ *
+ * RETURN: The allocated node - aborts on allocation failure
+ *
+ * DESCRIPTION: Allocate a resource description node and the resource
+ * descriptor itself (the nodes are used to link descriptors).
+ *
+ ******************************************************************************/
+
+ASL_RESOURCE_NODE *
+RsAllocateResourceNode (
+ UINT32 Size)
+{
+ ASL_RESOURCE_NODE *Rnode;
+
+
+ /* Allocate the node */
+
+ Rnode = UtLocalCalloc (sizeof (ASL_RESOURCE_NODE));
+
+ /* Allocate the resource descriptor itself */
+
+ Rnode->Buffer = UtLocalCalloc (Size);
+ Rnode->BufferLength = Size;
+
+ return (Rnode);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: RsCreateResourceField
+ *
+ * PARAMETERS: Op - Resource field node
+ * Name - Name of the field (Used only to reference
+ * the field in the ASL, not in the AML)
+ * ByteOffset - Offset from the field start
+ * BitOffset - Additional bit offset
+ * BitLength - Number of bits in the field
+ *
+ * RETURN: None, sets fields within the input node
+ *
+ * DESCRIPTION: Utility function to generate a named bit field within a
+ * resource descriptor. Mark a node as 1) a field in a resource
+ * descriptor, and 2) set the value to be a BIT offset
+ *
+ ******************************************************************************/
+
+void
+RsCreateResourceField (
+ ACPI_PARSE_OBJECT *Op,
+ char *Name,
+ UINT32 ByteOffset,
+ UINT32 BitOffset,
+ UINT32 BitLength)
+{
+
+ Op->Asl.ExternalName = Name;
+ Op->Asl.CompileFlags |= NODE_IS_RESOURCE_FIELD;
+
+
+ Op->Asl.Value.Tag.BitOffset = (ByteOffset * 8) + BitOffset;
+ Op->Asl.Value.Tag.BitLength = BitLength;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: RsSetFlagBits
+ *
+ * PARAMETERS: *Flags - Pointer to the flag byte
+ * Op - Flag initialization node
+ * Position - Bit position within the flag byte
+ * Default - Used if the node is DEFAULT.
+ *
+ * RETURN: Sets bits within the *Flags output byte.
+ *
+ * DESCRIPTION: Set a bit in a cumulative flags word from an initialization
+ * node. Will use a default value if the node is DEFAULT, meaning
+ * that no value was specified in the ASL. Used to merge multiple
+ * keywords into a single flags byte.
+ *
+ ******************************************************************************/
+
+void
+RsSetFlagBits (
+ UINT8 *Flags,
+ ACPI_PARSE_OBJECT *Op,
+ UINT8 Position,
+ UINT8 DefaultBit)
+{
+
+ if (Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
+ {
+ /* Use the default bit */
+
+ *Flags |= (DefaultBit << Position);
+ }
+ else
+ {
+ /* Use the bit specified in the initialization node */
+
+ *Flags |= (((UINT8) Op->Asl.Value.Integer) << Position);
+ }
+}
+
+
+void
+RsSetFlagBits16 (
+ UINT16 *Flags,
+ ACPI_PARSE_OBJECT *Op,
+ UINT8 Position,
+ UINT8 DefaultBit)
+{
+
+ if (Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
+ {
+ /* Use the default bit */
+
+ *Flags |= (DefaultBit << Position);
+ }
+ else
+ {
+ /* Use the bit specified in the initialization node */
+
+ *Flags |= (((UINT16) Op->Asl.Value.Integer) << Position);
+ }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: RsCompleteNodeAndGetNext
+ *
+ * PARAMETERS: Op - Resource node to be completed
+ *
+ * RETURN: The next peer to the input node.
+ *
+ * DESCRIPTION: Mark the current node completed and return the next peer.
+ * The node ParseOpcode is set to DEFAULT_ARG, meaning that
+ * this node is to be ignored from now on.
+ *
+ ******************************************************************************/
+
+ACPI_PARSE_OBJECT *
+RsCompleteNodeAndGetNext (
+ ACPI_PARSE_OBJECT *Op)
+{
+
+ /* Mark this node unused */
+
+ Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
+
+ /* Move on to the next peer node in the initializer list */
+
+ return (ASL_GET_PEER_NODE (Op));
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: RsCheckListForDuplicates
+ *
+ * PARAMETERS: Op - First op in the initializer list
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Check an initializer list for duplicate values. Emits an error
+ * if any duplicates are found.
+ *
+ ******************************************************************************/
+
+void
+RsCheckListForDuplicates (
+ ACPI_PARSE_OBJECT *Op)
+{
+ ACPI_PARSE_OBJECT *NextValueOp = Op;
+ ACPI_PARSE_OBJECT *NextOp;
+ UINT32 Value;
+
+
+ if (!Op)
+ {
+ return;
+ }
+
+ /* Search list once for each value in the list */
+
+ while (NextValueOp)
+ {
+ Value = (UINT32) NextValueOp->Asl.Value.Integer;
+
+ /* Compare this value to all remaining values in the list */
+
+ NextOp = ASL_GET_PEER_NODE (NextValueOp);
+ while (NextOp)
+ {
+ if (NextOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
+ {
+ /* Compare values */
+
+ if (Value == (UINT32) NextOp->Asl.Value.Integer)
+ {
+ /* Emit error only once per duplicate node */
+
+ if (!(NextOp->Asl.CompileFlags & NODE_IS_DUPLICATE))
+ {
+ NextOp->Asl.CompileFlags |= NODE_IS_DUPLICATE;
+ AslError (ASL_ERROR, ASL_MSG_DUPLICATE_ITEM,
+ NextOp, NULL);
+ }
+ }
+ }
+
+ NextOp = ASL_GET_PEER_NODE (NextOp);
+ }
+
+ NextValueOp = ASL_GET_PEER_NODE (NextValueOp);
+ }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: RsDoOneResourceDescriptor
+ *
+ * PARAMETERS: DescriptorTypeOp - Parent parse node of the descriptor
+ * CurrentByteOffset - Offset in the resource descriptor
+ * buffer.
+ *
+ * RETURN: A valid resource node for the descriptor
+ *
+ * DESCRIPTION: Dispatches the processing of one resource descriptor
+ *
+ ******************************************************************************/
+
+ASL_RESOURCE_NODE *
+RsDoOneResourceDescriptor (
+ ACPI_PARSE_OBJECT *DescriptorTypeOp,
+ UINT32 CurrentByteOffset,
+ UINT8 *State)
+{
+ ASL_RESOURCE_NODE *Rnode = NULL;
+
+
+ /* Construct the resource */
+
+ switch (DescriptorTypeOp->Asl.ParseOpcode)
+ {
+ case PARSEOP_DMA:
+ Rnode = RsDoDmaDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_FIXEDDMA:
+ Rnode = RsDoFixedDmaDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_DWORDIO:
+ Rnode = RsDoDwordIoDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_DWORDMEMORY:
+ Rnode = RsDoDwordMemoryDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_DWORDSPACE:
+ Rnode = RsDoDwordSpaceDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_ENDDEPENDENTFN:
+ switch (*State)
+ {
+ case ACPI_RSTATE_NORMAL:
+ AslError (ASL_ERROR, ASL_MSG_MISSING_STARTDEPENDENT,
+ DescriptorTypeOp, NULL);
+ break;
+
+ case ACPI_RSTATE_START_DEPENDENT:
+ AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING,
+ DescriptorTypeOp, NULL);
+ break;
+
+ case ACPI_RSTATE_DEPENDENT_LIST:
+ default:
+ break;
+ }
+
+ *State = ACPI_RSTATE_NORMAL;
+ Rnode = RsDoEndDependentDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_ENDTAG:
+ Rnode = RsDoEndTagDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_EXTENDEDIO:
+ Rnode = RsDoExtendedIoDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_EXTENDEDMEMORY:
+ Rnode = RsDoExtendedMemoryDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_EXTENDEDSPACE:
+ Rnode = RsDoExtendedSpaceDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_FIXEDIO:
+ Rnode = RsDoFixedIoDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_INTERRUPT:
+ Rnode = RsDoInterruptDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_IO:
+ Rnode = RsDoIoDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_IRQ:
+ Rnode = RsDoIrqDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_IRQNOFLAGS:
+ Rnode = RsDoIrqNoFlagsDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_MEMORY24:
+ Rnode = RsDoMemory24Descriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_MEMORY32:
+ Rnode = RsDoMemory32Descriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_MEMORY32FIXED:
+ Rnode = RsDoMemory32FixedDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_QWORDIO:
+ Rnode = RsDoQwordIoDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_QWORDMEMORY:
+ Rnode = RsDoQwordMemoryDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_QWORDSPACE:
+ Rnode = RsDoQwordSpaceDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_REGISTER:
+ Rnode = RsDoGeneralRegisterDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_STARTDEPENDENTFN:
+ switch (*State)
+ {
+ case ACPI_RSTATE_START_DEPENDENT:
+ AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING,
+ DescriptorTypeOp, NULL);
+ break;
+
+ case ACPI_RSTATE_NORMAL:
+ case ACPI_RSTATE_DEPENDENT_LIST:
+ default:
+ break;
+ }
+
+ *State = ACPI_RSTATE_START_DEPENDENT;
+ Rnode = RsDoStartDependentDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ *State = ACPI_RSTATE_DEPENDENT_LIST;
+ break;
+
+ case PARSEOP_STARTDEPENDENTFN_NOPRI:
+ switch (*State)
+ {
+ case ACPI_RSTATE_START_DEPENDENT:
+ AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING,
+ DescriptorTypeOp, NULL);
+ break;
+
+ case ACPI_RSTATE_NORMAL:
+ case ACPI_RSTATE_DEPENDENT_LIST:
+ default:
+ break;
+ }
+
+ *State = ACPI_RSTATE_START_DEPENDENT;
+ Rnode = RsDoStartDependentNoPriDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ *State = ACPI_RSTATE_DEPENDENT_LIST;
+ break;
+
+ case PARSEOP_VENDORLONG:
+ Rnode = RsDoVendorLargeDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_VENDORSHORT:
+ Rnode = RsDoVendorSmallDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_WORDBUSNUMBER:
+ Rnode = RsDoWordBusNumberDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_WORDIO:
+ Rnode = RsDoWordIoDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_WORDSPACE:
+ Rnode = RsDoWordSpaceDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_GPIO_INT:
+ Rnode = RsDoGpioIntDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_GPIO_IO:
+ Rnode = RsDoGpioIoDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_I2C_SERIALBUS:
+ Rnode = RsDoI2cSerialBusDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_SPI_SERIALBUS:
+ Rnode = RsDoSpiSerialBusDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_UART_SERIALBUS:
+ Rnode = RsDoUartSerialBusDescriptor (DescriptorTypeOp,
+ CurrentByteOffset);
+ break;
+
+ case PARSEOP_DEFAULT_ARG:
+ /* Just ignore any of these, they are used as fillers/placeholders */
+ break;
+
+ default:
+ printf ("Unknown resource descriptor type [%s]\n",
+ DescriptorTypeOp->Asl.ParseOpName);
+ break;
+ }
+
+ /*
+ * Mark original node as unused, but head of a resource descriptor.
+ * This allows the resource to be installed in the namespace so that
+ * references to the descriptor can be resolved.
+ */
+ DescriptorTypeOp->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
+ DescriptorTypeOp->Asl.CompileFlags = NODE_IS_RESOURCE_DESC;
+ DescriptorTypeOp->Asl.Value.Integer = CurrentByteOffset;
+
+ if (Rnode)
+ {
+ DescriptorTypeOp->Asl.FinalAmlLength = Rnode->BufferLength;
+ }
+
+ return (Rnode);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: RsLinkDescriptorChain
+ *
+ * PARAMETERS: PreviousRnode - Pointer to the node that will be previous
+ * to the linked node, At exit, set to the
+ * last node in the new chain.
+ * Rnode - Resource node to link into the list
+ *
+ * RETURN: Cumulative buffer byte offset of the new segment of chain
+ *
+ * DESCRIPTION: Link a descriptor chain at the end of an existing chain.
+ *
+ ******************************************************************************/
+
+UINT32
+RsLinkDescriptorChain (
+ ASL_RESOURCE_NODE **PreviousRnode,
+ ASL_RESOURCE_NODE *Rnode)
+{
+ ASL_RESOURCE_NODE *LastRnode;
+ UINT32 CurrentByteOffset;
+
+
+ /* Anything to do? */
+
+ if (!Rnode)
+ {
+ return 0;
+ }
+
+ /* Point the previous node to the new node */
+
+ (*PreviousRnode)->Next = Rnode;
+ CurrentByteOffset = Rnode->BufferLength;
+
+ /* Walk to the end of the chain headed by Rnode */
+
+ LastRnode = Rnode;
+ while (LastRnode->Next)
+ {
+ LastRnode = LastRnode->Next;
+ CurrentByteOffset += LastRnode->BufferLength;
+ }
+
+ /* Previous node becomes the last node in the chain */
+
+ *PreviousRnode = LastRnode;
+ return CurrentByteOffset;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: RsDoResourceTemplate
+ *
+ * PARAMETERS: Op - Parent of a resource template list
+ *
+ * RETURN: None. Sets input node to point to a list of AML code
+ *
+ * DESCRIPTION: Merge a list of resource descriptors into a single AML buffer,
+ * in preparation for output to the AML output file.
+ *
+ ******************************************************************************/
+
+void
+RsDoResourceTemplate (
+ ACPI_PARSE_OBJECT *Op)
+{
+ ACPI_PARSE_OBJECT *BufferLengthOp;
+ ACPI_PARSE_OBJECT *BufferOp;
+ ACPI_PARSE_OBJECT *DescriptorTypeOp;
+ ACPI_PARSE_OBJECT *LastOp = NULL;
+ UINT32 CurrentByteOffset = 0;
+ ASL_RESOURCE_NODE HeadRnode;
+ ASL_RESOURCE_NODE *PreviousRnode;
+ ASL_RESOURCE_NODE *Rnode;
+ UINT8 State;
+
+
+ /* Mark parent as containing a resource template */
+
+ if (Op->Asl.Parent)
+ {
+ Op->Asl.Parent->Asl.CompileFlags |= NODE_IS_RESOURCE_DESC;
+ }
+
+ /* ResourceTemplate Opcode is first (Op) */
+ /* Buffer Length node is first child */
+
+ BufferLengthOp = ASL_GET_CHILD_NODE (Op);
+
+ /* Buffer Op is first peer */
+
+ BufferOp = ASL_GET_PEER_NODE (BufferLengthOp);
+
+ /* First Descriptor type is next */
+
+ DescriptorTypeOp = ASL_GET_PEER_NODE (BufferOp);
+
+ /*
+ * Process all resource descriptors in the list
+ * Note: It is assumed that the EndTag node has been automatically
+ * inserted at the end of the template by the parser.
+ */
+ State = ACPI_RSTATE_NORMAL;
+ PreviousRnode = &HeadRnode;
+ while (DescriptorTypeOp)
+ {
+ DescriptorTypeOp->Asl.CompileFlags |= NODE_IS_RESOURCE_DESC;
+ Rnode = RsDoOneResourceDescriptor (DescriptorTypeOp, CurrentByteOffset,
+ &State);
+
+ /*
+ * Update current byte offset to indicate the number of bytes from the
+ * start of the buffer. Buffer can include multiple descriptors, we
+ * must keep track of the offset of not only each descriptor, but each
+ * element (field) within each descriptor as well.
+ */
+ CurrentByteOffset += RsLinkDescriptorChain (&PreviousRnode, Rnode);
+
+ /* Get the next descriptor in the list */
+
+ LastOp = DescriptorTypeOp;
+ DescriptorTypeOp = ASL_GET_PEER_NODE (DescriptorTypeOp);
+ }
+
+ if (State == ACPI_RSTATE_DEPENDENT_LIST)
+ {
+ if (LastOp)
+ {
+ LastOp = LastOp->Asl.Parent;
+ }
+ AslError (ASL_ERROR, ASL_MSG_MISSING_ENDDEPENDENT, LastOp, NULL);
+ }
+
+ /*
+ * Transform the nodes into the following
+ *
+ * Op -> AML_BUFFER_OP
+ * First Child -> BufferLength
+ * Second Child -> Descriptor Buffer (raw byte data)
+ */
+ Op->Asl.ParseOpcode = PARSEOP_BUFFER;
+ Op->Asl.AmlOpcode = AML_BUFFER_OP;
+ Op->Asl.CompileFlags = NODE_AML_PACKAGE | NODE_IS_RESOURCE_DESC;
+ UtSetParseOpName (Op);
+
+ BufferLengthOp->Asl.ParseOpcode = PARSEOP_INTEGER;
+ BufferLengthOp->Asl.Value.Integer = CurrentByteOffset;
+ (void) OpcSetOptimalIntegerSize (BufferLengthOp);
+ UtSetParseOpName (BufferLengthOp);
+
+ BufferOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
+ BufferOp->Asl.AmlOpcode = AML_RAW_DATA_CHAIN;
+ BufferOp->Asl.AmlOpcodeLength = 0;
+ BufferOp->Asl.AmlLength = CurrentByteOffset;
+ BufferOp->Asl.Value.Buffer = (UINT8 *) HeadRnode.Next;
+ BufferOp->Asl.CompileFlags |= NODE_IS_RESOURCE_DATA;
+ UtSetParseOpName (BufferOp);
+
+ return;
+}