diff options
Diffstat (limited to 'source/compiler/aslresource.c')
| -rw-r--r-- | source/compiler/aslresource.c | 2324 |
1 files changed, 1162 insertions, 1162 deletions
diff --git a/source/compiler/aslresource.c b/source/compiler/aslresource.c index b9b86eafb..09acd24d9 100644 --- a/source/compiler/aslresource.c +++ b/source/compiler/aslresource.c @@ -1,1162 +1,1162 @@ -/******************************************************************************
- *
- * Module Name: aslresource - Resource template/descriptor utilities
- *
- *****************************************************************************/
-
-/******************************************************************************
- *
- * 1. Copyright Notice
- *
- * Some or all of this work - Copyright (c) 1999 - 2015, 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 "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;
- }
-
- /*
- * Range checks for Memory24 and Memory32.
- * 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);
- }
-
- /* Special case for Memory24, min/max values are compressed */
-
- if (Type == ACPI_RESOURCE_NAME_MEMORY24)
- {
- if (!Alignment) /* Alignment==0 means 64K alignment */
- {
- Alignment = ACPI_UINT16_MAX + 1;
- }
-
- Minimum <<= 8;
- Maximum <<= 8;
- }
- }
-
- /* 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 (
- ASL_RESOURCE_INFO *Info,
- UINT8 *State)
-{
- ASL_RESOURCE_NODE *Rnode = NULL;
-
-
- /* Construct the resource */
-
- switch (Info->DescriptorTypeOp->Asl.ParseOpcode)
- {
- case PARSEOP_DMA:
-
- Rnode = RsDoDmaDescriptor (Info);
- break;
-
- case PARSEOP_FIXEDDMA:
-
- Rnode = RsDoFixedDmaDescriptor (Info);
- break;
-
- case PARSEOP_DWORDIO:
-
- Rnode = RsDoDwordIoDescriptor (Info);
- break;
-
- case PARSEOP_DWORDMEMORY:
-
- Rnode = RsDoDwordMemoryDescriptor (Info);
- break;
-
- case PARSEOP_DWORDSPACE:
-
- Rnode = RsDoDwordSpaceDescriptor (Info);
- break;
-
- case PARSEOP_ENDDEPENDENTFN:
-
- switch (*State)
- {
- case ACPI_RSTATE_NORMAL:
-
- AslError (ASL_ERROR, ASL_MSG_MISSING_STARTDEPENDENT,
- Info->DescriptorTypeOp, NULL);
- break;
-
- case ACPI_RSTATE_START_DEPENDENT:
-
- AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING,
- Info->DescriptorTypeOp, NULL);
- break;
-
- case ACPI_RSTATE_DEPENDENT_LIST:
- default:
-
- break;
- }
-
- *State = ACPI_RSTATE_NORMAL;
- Rnode = RsDoEndDependentDescriptor (Info);
- break;
-
- case PARSEOP_ENDTAG:
-
- Rnode = RsDoEndTagDescriptor (Info);
- break;
-
- case PARSEOP_EXTENDEDIO:
-
- Rnode = RsDoExtendedIoDescriptor (Info);
- break;
-
- case PARSEOP_EXTENDEDMEMORY:
-
- Rnode = RsDoExtendedMemoryDescriptor (Info);
- break;
-
- case PARSEOP_EXTENDEDSPACE:
-
- Rnode = RsDoExtendedSpaceDescriptor (Info);
- break;
-
- case PARSEOP_FIXEDIO:
-
- Rnode = RsDoFixedIoDescriptor (Info);
- break;
-
- case PARSEOP_INTERRUPT:
-
- Rnode = RsDoInterruptDescriptor (Info);
- break;
-
- case PARSEOP_IO:
-
- Rnode = RsDoIoDescriptor (Info);
- break;
-
- case PARSEOP_IRQ:
-
- Rnode = RsDoIrqDescriptor (Info);
- break;
-
- case PARSEOP_IRQNOFLAGS:
-
- Rnode = RsDoIrqNoFlagsDescriptor (Info);
- break;
-
- case PARSEOP_MEMORY24:
-
- Rnode = RsDoMemory24Descriptor (Info);
- break;
-
- case PARSEOP_MEMORY32:
-
- Rnode = RsDoMemory32Descriptor (Info);
- break;
-
- case PARSEOP_MEMORY32FIXED:
-
- Rnode = RsDoMemory32FixedDescriptor (Info);
- break;
-
- case PARSEOP_QWORDIO:
-
- Rnode = RsDoQwordIoDescriptor (Info);
- break;
-
- case PARSEOP_QWORDMEMORY:
-
- Rnode = RsDoQwordMemoryDescriptor (Info);
- break;
-
- case PARSEOP_QWORDSPACE:
-
- Rnode = RsDoQwordSpaceDescriptor (Info);
- break;
-
- case PARSEOP_REGISTER:
-
- Rnode = RsDoGeneralRegisterDescriptor (Info);
- break;
-
- case PARSEOP_STARTDEPENDENTFN:
-
- switch (*State)
- {
- case ACPI_RSTATE_START_DEPENDENT:
-
- AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING,
- Info->DescriptorTypeOp, NULL);
- break;
-
- case ACPI_RSTATE_NORMAL:
- case ACPI_RSTATE_DEPENDENT_LIST:
- default:
-
- break;
- }
-
- *State = ACPI_RSTATE_START_DEPENDENT;
- Rnode = RsDoStartDependentDescriptor (Info);
- *State = ACPI_RSTATE_DEPENDENT_LIST;
- break;
-
- case PARSEOP_STARTDEPENDENTFN_NOPRI:
-
- switch (*State)
- {
- case ACPI_RSTATE_START_DEPENDENT:
-
- AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING,
- Info->DescriptorTypeOp, NULL);
- break;
-
- case ACPI_RSTATE_NORMAL:
- case ACPI_RSTATE_DEPENDENT_LIST:
- default:
-
- break;
- }
-
- *State = ACPI_RSTATE_START_DEPENDENT;
- Rnode = RsDoStartDependentNoPriDescriptor (Info);
- *State = ACPI_RSTATE_DEPENDENT_LIST;
- break;
-
- case PARSEOP_VENDORLONG:
-
- Rnode = RsDoVendorLargeDescriptor (Info);
- break;
-
- case PARSEOP_VENDORSHORT:
-
- Rnode = RsDoVendorSmallDescriptor (Info);
- break;
-
- case PARSEOP_WORDBUSNUMBER:
-
- Rnode = RsDoWordBusNumberDescriptor (Info);
- break;
-
- case PARSEOP_WORDIO:
-
- Rnode = RsDoWordIoDescriptor (Info);
- break;
-
- case PARSEOP_WORDSPACE:
-
- Rnode = RsDoWordSpaceDescriptor (Info);
- break;
-
- case PARSEOP_GPIO_INT:
-
- Rnode = RsDoGpioIntDescriptor (Info);
- break;
-
- case PARSEOP_GPIO_IO:
-
- Rnode = RsDoGpioIoDescriptor (Info);
- break;
-
- case PARSEOP_I2C_SERIALBUS:
-
- Rnode = RsDoI2cSerialBusDescriptor (Info);
- break;
-
- case PARSEOP_SPI_SERIALBUS:
-
- Rnode = RsDoSpiSerialBusDescriptor (Info);
- break;
-
- case PARSEOP_UART_SERIALBUS:
-
- Rnode = RsDoUartSerialBusDescriptor (Info);
- 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",
- Info->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.
- */
- Info->DescriptorTypeOp->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
- Info->DescriptorTypeOp->Asl.CompileFlags = NODE_IS_RESOURCE_DESC;
- Info->DescriptorTypeOp->Asl.Value.Integer = Info->CurrentByteOffset;
-
- if (Rnode)
- {
- Info->DescriptorTypeOp->Asl.FinalAmlLength = Rnode->BufferLength;
- Info->DescriptorTypeOp->Asl.Extra = ((AML_RESOURCE *) Rnode->Buffer)->DescriptorType;
- }
-
- 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;
- ASL_RESOURCE_INFO Info;
- 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)
- {
- /* Save information for optional mapfile */
-
- if (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CONNECTION)
- {
- Info.MappingOp = Op->Asl.Parent;
- }
- else
- {
- Info.MappingOp = DescriptorTypeOp;
- }
-
- Info.DescriptorTypeOp = DescriptorTypeOp;
- Info.CurrentByteOffset = CurrentByteOffset;
-
- DescriptorTypeOp->Asl.CompileFlags |= NODE_IS_RESOURCE_DESC;
- Rnode = RsDoOneResourceDescriptor (&Info, &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;
-}
+/****************************************************************************** + * + * Module Name: aslresource - Resource template/descriptor utilities + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2014, 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 "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; + } + + /* + * Range checks for Memory24 and Memory32. + * 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); + } + + /* Special case for Memory24, min/max values are compressed */ + + if (Type == ACPI_RESOURCE_NAME_MEMORY24) + { + if (!Alignment) /* Alignment==0 means 64K alignment */ + { + Alignment = ACPI_UINT16_MAX + 1; + } + + Minimum <<= 8; + Maximum <<= 8; + } + } + + /* 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 ( + ASL_RESOURCE_INFO *Info, + UINT8 *State) +{ + ASL_RESOURCE_NODE *Rnode = NULL; + + + /* Construct the resource */ + + switch (Info->DescriptorTypeOp->Asl.ParseOpcode) + { + case PARSEOP_DMA: + + Rnode = RsDoDmaDescriptor (Info); + break; + + case PARSEOP_FIXEDDMA: + + Rnode = RsDoFixedDmaDescriptor (Info); + break; + + case PARSEOP_DWORDIO: + + Rnode = RsDoDwordIoDescriptor (Info); + break; + + case PARSEOP_DWORDMEMORY: + + Rnode = RsDoDwordMemoryDescriptor (Info); + break; + + case PARSEOP_DWORDSPACE: + + Rnode = RsDoDwordSpaceDescriptor (Info); + break; + + case PARSEOP_ENDDEPENDENTFN: + + switch (*State) + { + case ACPI_RSTATE_NORMAL: + + AslError (ASL_ERROR, ASL_MSG_MISSING_STARTDEPENDENT, + Info->DescriptorTypeOp, NULL); + break; + + case ACPI_RSTATE_START_DEPENDENT: + + AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING, + Info->DescriptorTypeOp, NULL); + break; + + case ACPI_RSTATE_DEPENDENT_LIST: + default: + + break; + } + + *State = ACPI_RSTATE_NORMAL; + Rnode = RsDoEndDependentDescriptor (Info); + break; + + case PARSEOP_ENDTAG: + + Rnode = RsDoEndTagDescriptor (Info); + break; + + case PARSEOP_EXTENDEDIO: + + Rnode = RsDoExtendedIoDescriptor (Info); + break; + + case PARSEOP_EXTENDEDMEMORY: + + Rnode = RsDoExtendedMemoryDescriptor (Info); + break; + + case PARSEOP_EXTENDEDSPACE: + + Rnode = RsDoExtendedSpaceDescriptor (Info); + break; + + case PARSEOP_FIXEDIO: + + Rnode = RsDoFixedIoDescriptor (Info); + break; + + case PARSEOP_INTERRUPT: + + Rnode = RsDoInterruptDescriptor (Info); + break; + + case PARSEOP_IO: + + Rnode = RsDoIoDescriptor (Info); + break; + + case PARSEOP_IRQ: + + Rnode = RsDoIrqDescriptor (Info); + break; + + case PARSEOP_IRQNOFLAGS: + + Rnode = RsDoIrqNoFlagsDescriptor (Info); + break; + + case PARSEOP_MEMORY24: + + Rnode = RsDoMemory24Descriptor (Info); + break; + + case PARSEOP_MEMORY32: + + Rnode = RsDoMemory32Descriptor (Info); + break; + + case PARSEOP_MEMORY32FIXED: + + Rnode = RsDoMemory32FixedDescriptor (Info); + break; + + case PARSEOP_QWORDIO: + + Rnode = RsDoQwordIoDescriptor (Info); + break; + + case PARSEOP_QWORDMEMORY: + + Rnode = RsDoQwordMemoryDescriptor (Info); + break; + + case PARSEOP_QWORDSPACE: + + Rnode = RsDoQwordSpaceDescriptor (Info); + break; + + case PARSEOP_REGISTER: + + Rnode = RsDoGeneralRegisterDescriptor (Info); + break; + + case PARSEOP_STARTDEPENDENTFN: + + switch (*State) + { + case ACPI_RSTATE_START_DEPENDENT: + + AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING, + Info->DescriptorTypeOp, NULL); + break; + + case ACPI_RSTATE_NORMAL: + case ACPI_RSTATE_DEPENDENT_LIST: + default: + + break; + } + + *State = ACPI_RSTATE_START_DEPENDENT; + Rnode = RsDoStartDependentDescriptor (Info); + *State = ACPI_RSTATE_DEPENDENT_LIST; + break; + + case PARSEOP_STARTDEPENDENTFN_NOPRI: + + switch (*State) + { + case ACPI_RSTATE_START_DEPENDENT: + + AslError (ASL_ERROR, ASL_MSG_DEPENDENT_NESTING, + Info->DescriptorTypeOp, NULL); + break; + + case ACPI_RSTATE_NORMAL: + case ACPI_RSTATE_DEPENDENT_LIST: + default: + + break; + } + + *State = ACPI_RSTATE_START_DEPENDENT; + Rnode = RsDoStartDependentNoPriDescriptor (Info); + *State = ACPI_RSTATE_DEPENDENT_LIST; + break; + + case PARSEOP_VENDORLONG: + + Rnode = RsDoVendorLargeDescriptor (Info); + break; + + case PARSEOP_VENDORSHORT: + + Rnode = RsDoVendorSmallDescriptor (Info); + break; + + case PARSEOP_WORDBUSNUMBER: + + Rnode = RsDoWordBusNumberDescriptor (Info); + break; + + case PARSEOP_WORDIO: + + Rnode = RsDoWordIoDescriptor (Info); + break; + + case PARSEOP_WORDSPACE: + + Rnode = RsDoWordSpaceDescriptor (Info); + break; + + case PARSEOP_GPIO_INT: + + Rnode = RsDoGpioIntDescriptor (Info); + break; + + case PARSEOP_GPIO_IO: + + Rnode = RsDoGpioIoDescriptor (Info); + break; + + case PARSEOP_I2C_SERIALBUS: + + Rnode = RsDoI2cSerialBusDescriptor (Info); + break; + + case PARSEOP_SPI_SERIALBUS: + + Rnode = RsDoSpiSerialBusDescriptor (Info); + break; + + case PARSEOP_UART_SERIALBUS: + + Rnode = RsDoUartSerialBusDescriptor (Info); + 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", + Info->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. + */ + Info->DescriptorTypeOp->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; + Info->DescriptorTypeOp->Asl.CompileFlags = NODE_IS_RESOURCE_DESC; + Info->DescriptorTypeOp->Asl.Value.Integer = Info->CurrentByteOffset; + + if (Rnode) + { + Info->DescriptorTypeOp->Asl.FinalAmlLength = Rnode->BufferLength; + Info->DescriptorTypeOp->Asl.Extra = ((AML_RESOURCE *) Rnode->Buffer)->DescriptorType; + } + + 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; + ASL_RESOURCE_INFO Info; + 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) + { + /* Save information for optional mapfile */ + + if (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CONNECTION) + { + Info.MappingOp = Op->Asl.Parent; + } + else + { + Info.MappingOp = DescriptorTypeOp; + } + + Info.DescriptorTypeOp = DescriptorTypeOp; + Info.CurrentByteOffset = CurrentByteOffset; + + DescriptorTypeOp->Asl.CompileFlags |= NODE_IS_RESOURCE_DESC; + Rnode = RsDoOneResourceDescriptor (&Info, &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; +} |