0,0 → 1,1252 |
|
/****************************************************************************** |
* |
* Module Name: asloperands - AML operand processing |
* |
*****************************************************************************/ |
|
/****************************************************************************** |
* |
* 1. Copyright Notice |
* |
* Some or all of this work - Copyright (c) 1999 - 2010, 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 ("asloperands") |
|
/* Local prototypes */ |
|
static void |
OpnDoField ( |
ACPI_PARSE_OBJECT *Op); |
|
static void |
OpnDoBankField ( |
ACPI_PARSE_OBJECT *Op); |
|
static void |
OpnDoBuffer ( |
ACPI_PARSE_OBJECT *Op); |
|
static void |
OpnDoDefinitionBlock ( |
ACPI_PARSE_OBJECT *Op); |
|
static void |
OpnDoFieldCommon ( |
ACPI_PARSE_OBJECT *FieldOp, |
ACPI_PARSE_OBJECT *Op); |
|
static void |
OpnDoIndexField ( |
ACPI_PARSE_OBJECT *Op); |
|
static void |
OpnDoLoadTable ( |
ACPI_PARSE_OBJECT *Op); |
|
static void |
OpnDoMethod ( |
ACPI_PARSE_OBJECT *Op); |
|
static void |
OpnDoMutex ( |
ACPI_PARSE_OBJECT *Op); |
|
static void |
OpnDoRegion ( |
ACPI_PARSE_OBJECT *Op); |
|
static void |
OpnAttachNameToNode ( |
ACPI_PARSE_OBJECT *Op); |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnDoMutex |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Construct the operands for the MUTEX ASL keyword. |
* |
******************************************************************************/ |
|
static void |
OpnDoMutex ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *Next; |
|
|
Next = Op->Asl.Child; |
Next = Next->Asl.Next; |
|
if (Next->Asl.Value.Integer > 15) |
{ |
AslError (ASL_ERROR, ASL_MSG_SYNC_LEVEL, Next, NULL); |
} |
return; |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnDoMethod |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Construct the operands for the METHOD ASL keyword. |
* |
******************************************************************************/ |
|
static void |
OpnDoMethod ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *Next; |
|
/* Optional arguments for this opcode with defaults */ |
|
UINT8 NumArgs = 0; |
UINT8 Serialized = 0; |
UINT8 Concurrency = 0; |
UINT8 MethodFlags; |
|
|
/* Opcode and package length first */ |
/* Method name */ |
|
Next = Op->Asl.Child; |
|
/* Num args */ |
|
Next = Next->Asl.Next; |
if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) |
{ |
NumArgs = (UINT8) Next->Asl.Value.Integer; |
Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
} |
|
/* Serialized Flag */ |
|
Next = Next->Asl.Next; |
if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) |
{ |
Serialized = (UINT8) Next->Asl.Value.Integer; |
Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
} |
|
/* Concurrency value (valid values are 0-15) */ |
|
Next = Next->Asl.Next; |
if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) |
{ |
if (Next->Asl.Value.Integer > 15) |
{ |
AslError (ASL_ERROR, ASL_MSG_SYNC_LEVEL, Next, NULL); |
} |
Concurrency = (UINT8) Next->Asl.Value.Integer; |
} |
|
/* Put the bits in their proper places */ |
|
MethodFlags = (UINT8) ((NumArgs & 0x7) | |
((Serialized & 0x1) << 3) | |
((Concurrency & 0xF) << 4)); |
|
/* Use the last node for the combined flags byte */ |
|
Next->Asl.Value.Integer = MethodFlags; |
Next->Asl.AmlOpcode = AML_RAW_DATA_BYTE; |
Next->Asl.AmlLength = 1; |
Next->Asl.ParseOpcode = PARSEOP_RAW_DATA; |
|
/* Save the arg count in the first node */ |
|
Op->Asl.Extra = NumArgs; |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnDoFieldCommon |
* |
* PARAMETERS: FieldOp - Node for an ASL field |
* Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Construct the AML operands for the various field keywords, |
* FIELD, BANKFIELD, INDEXFIELD |
* |
******************************************************************************/ |
|
static void |
OpnDoFieldCommon ( |
ACPI_PARSE_OBJECT *FieldOp, |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *Next; |
ACPI_PARSE_OBJECT *PkgLengthNode; |
UINT32 CurrentBitOffset; |
UINT32 NewBitOffset; |
UINT8 AccessType; |
UINT8 LockRule; |
UINT8 UpdateRule; |
UINT8 FieldFlags; |
UINT32 MinimumLength; |
|
|
/* AccessType -- not optional, so no need to check for DEFAULT_ARG */ |
|
AccessType = (UINT8) Op->Asl.Value.Integer; |
Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
|
/* Set the access type in the parent (field) node for use later */ |
|
FieldOp->Asl.Value.Integer = AccessType; |
|
/* LockRule -- not optional, so no need to check for DEFAULT_ARG */ |
|
Next = Op->Asl.Next; |
LockRule = (UINT8) Next->Asl.Value.Integer; |
Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
|
/* UpdateRule -- not optional, so no need to check for DEFAULT_ARG */ |
|
Next = Next->Asl.Next; |
UpdateRule = (UINT8) Next->Asl.Value.Integer; |
|
/* |
* Generate the flags byte. The various fields are already |
* in the right bit position via translation from the |
* keywords by the parser. |
*/ |
FieldFlags = (UINT8) (AccessType | LockRule | UpdateRule); |
|
/* Use the previous node to be the FieldFlags node */ |
|
/* Set the node to RAW_DATA */ |
|
Next->Asl.Value.Integer = FieldFlags; |
Next->Asl.AmlOpcode = AML_RAW_DATA_BYTE; |
Next->Asl.AmlLength = 1; |
Next->Asl.ParseOpcode = PARSEOP_RAW_DATA; |
|
/* Process the FieldUnitList */ |
|
Next = Next->Asl.Next; |
CurrentBitOffset = 0; |
|
while (Next) |
{ |
/* Save the offset of this field unit */ |
|
Next->Asl.ExtraValue = CurrentBitOffset; |
|
switch (Next->Asl.ParseOpcode) |
{ |
case PARSEOP_ACCESSAS: |
|
PkgLengthNode = Next->Asl.Child; |
AccessType = (UINT8) PkgLengthNode->Asl.Value.Integer; |
|
/* Nothing additional to do */ |
break; |
|
|
case PARSEOP_OFFSET: |
|
/* New offset into the field */ |
|
PkgLengthNode = Next->Asl.Child; |
NewBitOffset = ((UINT32) PkgLengthNode->Asl.Value.Integer) * 8; |
|
/* |
* Examine the specified offset in relation to the |
* current offset counter. |
*/ |
if (NewBitOffset < CurrentBitOffset) |
{ |
/* |
* Not allowed to specify a backwards offset! |
* Issue error and ignore this node. |
*/ |
AslError (ASL_ERROR, ASL_MSG_BACKWARDS_OFFSET, PkgLengthNode, |
NULL); |
Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
PkgLengthNode->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
} |
else if (NewBitOffset == CurrentBitOffset) |
{ |
/* |
* Offset is redundant; we don't need to output an |
* offset opcode. Just set these nodes to default |
*/ |
Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
PkgLengthNode->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
} |
else |
{ |
/* |
* Valid new offset - set the value to be inserted into the AML |
* and update the offset counter. |
*/ |
PkgLengthNode->Asl.Value.Integer = |
NewBitOffset - CurrentBitOffset; |
CurrentBitOffset = NewBitOffset; |
} |
break; |
|
|
case PARSEOP_NAMESEG: |
case PARSEOP_RESERVED_BYTES: |
|
/* Named or reserved field entry */ |
|
PkgLengthNode = Next->Asl.Child; |
NewBitOffset = (UINT32) PkgLengthNode->Asl.Value.Integer; |
CurrentBitOffset += NewBitOffset; |
|
/* Save the current AccessAs value for error checking later */ |
|
switch (AccessType) |
{ |
case AML_FIELD_ACCESS_ANY: |
case AML_FIELD_ACCESS_BYTE: |
case AML_FIELD_ACCESS_BUFFER: |
default: |
MinimumLength = 8; |
break; |
|
case AML_FIELD_ACCESS_WORD: |
MinimumLength = 16; |
break; |
|
case AML_FIELD_ACCESS_DWORD: |
MinimumLength = 32; |
break; |
|
case AML_FIELD_ACCESS_QWORD: |
MinimumLength = 64; |
break; |
} |
|
PkgLengthNode->Asl.ExtraValue = MinimumLength; |
break; |
|
default: |
/* All supported field opcodes must appear above */ |
break; |
} |
|
/* Move on to next entry in the field list */ |
|
Next = Next->Asl.Next; |
} |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnDoField |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Construct the AML operands for the FIELD ASL keyword |
* |
******************************************************************************/ |
|
static void |
OpnDoField ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *Next; |
|
|
/* Opcode is parent node */ |
/* First child is field name */ |
|
Next = Op->Asl.Child; |
|
/* Second child is the AccessType */ |
|
OpnDoFieldCommon (Op, Next->Asl.Next); |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnDoIndexField |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Construct the AML operands for the INDEXFIELD ASL keyword |
* |
******************************************************************************/ |
|
static void |
OpnDoIndexField ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *Next; |
|
|
/* Opcode is parent node */ |
/* First child is the index name */ |
|
Next = Op->Asl.Child; |
|
/* Second child is the data name */ |
|
Next = Next->Asl.Next; |
|
/* Third child is the AccessType */ |
|
OpnDoFieldCommon (Op, Next->Asl.Next); |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnDoBankField |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Construct the AML operands for the BANKFIELD ASL keyword |
* |
******************************************************************************/ |
|
static void |
OpnDoBankField ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *Next; |
|
|
/* Opcode is parent node */ |
/* First child is the region name */ |
|
Next = Op->Asl.Child; |
|
/* Second child is the bank name */ |
|
Next = Next->Asl.Next; |
|
/* Third child is the bank value */ |
|
Next = Next->Asl.Next; |
|
/* Fourth child is the AccessType */ |
|
OpnDoFieldCommon (Op, Next->Asl.Next); |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnDoRegion |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Tries to get the length of the region. Can only do this at |
* compile time if the length is a constant. |
* |
******************************************************************************/ |
|
static void |
OpnDoRegion ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *Next; |
|
|
/* Opcode is parent node */ |
/* First child is the region name */ |
|
Next = Op->Asl.Child; |
|
/* Second child is the space ID*/ |
|
Next = Next->Asl.Next; |
|
/* Third child is the region offset */ |
|
Next = Next->Asl.Next; |
|
/* Fourth child is the region length */ |
|
Next = Next->Asl.Next; |
if (Next->Asl.ParseOpcode == PARSEOP_INTEGER) |
{ |
Op->Asl.Value.Integer = Next->Asl.Value.Integer; |
} |
else |
{ |
Op->Asl.Value.Integer = ACPI_UINT64_MAX; |
} |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnDoBuffer |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Construct the AML operands for the BUFFER ASL keyword. We |
* build a single raw byte buffer from the initialization nodes, |
* each parse node contains a buffer byte. |
* |
******************************************************************************/ |
|
static void |
OpnDoBuffer ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *InitializerOp; |
ACPI_PARSE_OBJECT *BufferLengthOp; |
|
/* Optional arguments for this opcode with defaults */ |
|
UINT32 BufferLength = 0; |
|
|
/* Opcode and package length first */ |
/* Buffer Length is next, followed by the initializer list */ |
|
BufferLengthOp = Op->Asl.Child; |
InitializerOp = BufferLengthOp->Asl.Next; |
|
/* |
* If the BufferLength is not an INTEGER or was not specified in the ASL |
* (DEFAULT_ARG), it is a TermArg that is |
* evaluated at run-time, and we are therefore finished. |
*/ |
if ((BufferLengthOp->Asl.ParseOpcode != PARSEOP_INTEGER) && |
(BufferLengthOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)) |
{ |
return; |
} |
|
/* |
* We want to count the number of items in the initializer list, because if |
* it is larger than the buffer length, we will define the buffer size |
* to be the size of the initializer list (as per the ACPI Specification) |
*/ |
switch (InitializerOp->Asl.ParseOpcode) |
{ |
case PARSEOP_INTEGER: |
case PARSEOP_BYTECONST: |
case PARSEOP_WORDCONST: |
case PARSEOP_DWORDCONST: |
|
/* The peer list contains the byte list (if any...) */ |
|
while (InitializerOp) |
{ |
/* For buffers, this is a list of raw bytes */ |
|
InitializerOp->Asl.AmlOpcode = AML_RAW_DATA_BYTE; |
InitializerOp->Asl.AmlLength = 1; |
InitializerOp->Asl.ParseOpcode = PARSEOP_RAW_DATA; |
|
BufferLength++; |
InitializerOp = ASL_GET_PEER_NODE (InitializerOp); |
} |
break; |
|
|
case PARSEOP_STRING_LITERAL: |
|
/* |
* Only one initializer, the string. Buffer must be big enough to hold |
* the string plus the null termination byte |
*/ |
BufferLength = strlen (InitializerOp->Asl.Value.String) + 1; |
|
InitializerOp->Asl.AmlOpcode = AML_RAW_DATA_BUFFER; |
InitializerOp->Asl.AmlLength = BufferLength; |
InitializerOp->Asl.ParseOpcode = PARSEOP_RAW_DATA; |
break; |
|
|
case PARSEOP_RAW_DATA: |
|
/* Buffer nodes are already initialized (e.g. Unicode operator) */ |
return; |
|
|
case PARSEOP_DEFAULT_ARG: |
break; |
|
|
default: |
AslError (ASL_ERROR, ASL_MSG_INVALID_OPERAND, InitializerOp, |
"Unknown buffer initializer opcode"); |
printf ("Unknown buffer initializer opcode [%s]\n", |
UtGetOpName (InitializerOp->Asl.ParseOpcode)); |
return; |
} |
|
/* Check if initializer list is longer than the buffer length */ |
|
if (BufferLengthOp->Asl.Value.Integer > BufferLength) |
{ |
BufferLength = (UINT32) BufferLengthOp->Asl.Value.Integer; |
} |
|
if (!BufferLength) |
{ |
/* No length AND no items -- issue notice */ |
|
AslError (ASL_REMARK, ASL_MSG_BUFFER_LENGTH, BufferLengthOp, NULL); |
|
/* But go ahead and put the buffer length of zero into the AML */ |
} |
|
/* |
* Just set the buffer size node to be the buffer length, regardless |
* of whether it was previously an integer or a default_arg placeholder |
*/ |
BufferLengthOp->Asl.ParseOpcode = PARSEOP_INTEGER; |
BufferLengthOp->Asl.AmlOpcode = AML_DWORD_OP; |
BufferLengthOp->Asl.Value.Integer = BufferLength; |
|
(void) OpcSetOptimalIntegerSize (BufferLengthOp); |
|
/* Remaining nodes are handled via the tree walk */ |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnDoPackage |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Construct the AML operands for the PACKAGE ASL keyword. NOTE: |
* can only be called after constants have been folded, to ensure |
* that the PackageLength operand has been fully reduced. |
* |
******************************************************************************/ |
|
void |
OpnDoPackage ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *InitializerOp; |
ACPI_PARSE_OBJECT *PackageLengthOp; |
UINT32 PackageLength = 0; |
|
|
/* Opcode and package length first, followed by the initializer list */ |
|
PackageLengthOp = Op->Asl.Child; |
InitializerOp = PackageLengthOp->Asl.Next; |
|
/* Count the number of items in the initializer list */ |
|
if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) |
{ |
/* The peer list contains the byte list (if any...) */ |
|
while (InitializerOp) |
{ |
PackageLength++; |
InitializerOp = InitializerOp->Asl.Next; |
} |
} |
|
/* If package length is a constant, compare to the initializer list */ |
|
if ((PackageLengthOp->Asl.ParseOpcode == PARSEOP_INTEGER) || |
(PackageLengthOp->Asl.ParseOpcode == PARSEOP_QWORDCONST)) |
{ |
if (PackageLengthOp->Asl.Value.Integer > PackageLength) |
{ |
/* |
* Allow package length to be longer than the initializer |
* list -- but if the length of initializer list is nonzero, |
* issue a message since this is probably a coding error, |
* even though technically legal. |
*/ |
if (PackageLength > 0) |
{ |
AslError (ASL_REMARK, ASL_MSG_LIST_LENGTH_SHORT, |
PackageLengthOp, NULL); |
} |
|
PackageLength = (UINT32) PackageLengthOp->Asl.Value.Integer; |
} |
else if (PackageLengthOp->Asl.Value.Integer < PackageLength) |
{ |
/* |
* The package length is smaller than the length of the |
* initializer list. This is an error as per the ACPI spec. |
*/ |
AslError (ASL_ERROR, ASL_MSG_LIST_LENGTH_LONG, |
PackageLengthOp, NULL); |
} |
} |
|
if (PackageLengthOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) |
{ |
/* |
* This is the case if the PackageLength was left empty - Package() |
* The package length becomes the length of the initializer list |
*/ |
Op->Asl.Child->Asl.ParseOpcode = PARSEOP_INTEGER; |
Op->Asl.Child->Asl.Value.Integer = PackageLength; |
|
/* Set the AML opcode */ |
|
(void) OpcSetOptimalIntegerSize (Op->Asl.Child); |
} |
|
/* If not a variable-length package, check for a zero package length */ |
|
if ((PackageLengthOp->Asl.ParseOpcode == PARSEOP_INTEGER) || |
(PackageLengthOp->Asl.ParseOpcode == PARSEOP_QWORDCONST) || |
(PackageLengthOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)) |
{ |
if (!PackageLength) |
{ |
/* No length AND no initializer list -- issue a remark */ |
|
AslError (ASL_REMARK, ASL_MSG_PACKAGE_LENGTH, |
PackageLengthOp, NULL); |
|
/* But go ahead and put the buffer length of zero into the AML */ |
} |
} |
|
/* |
* If the PackageLength is a constant <= 255, we can change the |
* AML opcode from VarPackage to a simple (ACPI 1.0) Package opcode. |
*/ |
if ((Op->Asl.Child->Asl.ParseOpcode == PARSEOP_INTEGER) && |
(Op->Asl.Child->Asl.Value.Integer <= 255)) |
{ |
Op->Asl.AmlOpcode = AML_PACKAGE_OP; |
Op->Asl.ParseOpcode = PARSEOP_PACKAGE; |
|
/* |
* Just set the package size node to be the package length, regardless |
* of whether it was previously an integer or a default_arg placeholder |
*/ |
PackageLengthOp->Asl.AmlOpcode = AML_RAW_DATA_BYTE; |
PackageLengthOp->Asl.AmlLength = 1; |
PackageLengthOp->Asl.ParseOpcode = PARSEOP_RAW_DATA; |
PackageLengthOp->Asl.Value.Integer = PackageLength; |
} |
|
/* Remaining nodes are handled via the tree walk */ |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnDoLoadTable |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Construct the AML operands for the LOADTABLE ASL keyword. |
* |
******************************************************************************/ |
|
static void |
OpnDoLoadTable ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *Next; |
|
|
/* Opcode is parent node */ |
/* First child is the table signature */ |
|
Next = Op->Asl.Child; |
|
/* Second child is the OEM ID*/ |
|
Next = Next->Asl.Next; |
|
/* Third child is the OEM table ID */ |
|
Next = Next->Asl.Next; |
|
/* Fourth child is the RootPath string */ |
|
Next = Next->Asl.Next; |
if (Next->Asl.ParseOpcode == PARSEOP_ZERO) |
{ |
Next->Asl.ParseOpcode = PARSEOP_STRING_LITERAL; |
Next->Asl.Value.String = "\\"; |
Next->Asl.AmlLength = 2; |
OpcGenerateAmlOpcode (Next); |
} |
|
#ifdef ASL_FUTURE_IMPLEMENTATION |
|
/* TBD: NOT IMPLEMENTED */ |
/* Fifth child is the [optional] ParameterPathString */ |
/* Sixth child is the [optional] ParameterData */ |
|
Next = Next->Asl.Next; |
if (Next->Asl.ParseOpcode == DEFAULT_ARG) |
{ |
Next->Asl.AmlLength = 1; |
Next->Asl.ParseOpcode = ZERO; |
OpcGenerateAmlOpcode (Next); |
} |
|
|
Next = Next->Asl.Next; |
if (Next->Asl.ParseOpcode == DEFAULT_ARG) |
{ |
Next->Asl.AmlLength = 1; |
Next->Asl.ParseOpcode = ZERO; |
OpcGenerateAmlOpcode (Next); |
} |
#endif |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnDoDefinitionBlock |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Construct the AML operands for the DEFINITIONBLOCK ASL keyword |
* |
******************************************************************************/ |
|
static void |
OpnDoDefinitionBlock ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *Child; |
ACPI_SIZE Length; |
UINT32 i; |
char *Filename; |
|
|
/* |
* These nodes get stuffed into the table header. They are special |
* cased when the table is written to the output file. |
* |
* Mark all of these nodes as non-usable so they won't get output |
* as AML opcodes! |
*/ |
|
/* Get AML filename. Use it if non-null */ |
|
Child = Op->Asl.Child; |
if (Child->Asl.Value.Buffer && |
*Child->Asl.Value.Buffer && |
(Gbl_UseDefaultAmlFilename)) |
{ |
/* |
* We will use the AML filename that is embedded in the source file |
* for the output filename. |
*/ |
Filename = ACPI_ALLOCATE (strlen (Gbl_DirectoryPath) + |
strlen ((char *) Child->Asl.Value.Buffer) + 1); |
|
/* Prepend the current directory path */ |
|
strcpy (Filename, Gbl_DirectoryPath); |
strcat (Filename, (char *) Child->Asl.Value.Buffer); |
|
Gbl_OutputFilenamePrefix = Filename; |
} |
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
|
/* Signature */ |
|
Child = Child->Asl.Next; |
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
if (Child->Asl.Value.String) |
{ |
Gbl_TableSignature = Child->Asl.Value.String; |
if (ACPI_STRLEN (Gbl_TableSignature) != 4) |
{ |
AslError (ASL_ERROR, ASL_MSG_TABLE_SIGNATURE, Child, |
"Length not exactly 4"); |
} |
|
for (i = 0; i < 4; i++) |
{ |
if (!isalnum ((int) Gbl_TableSignature[i])) |
{ |
AslError (ASL_ERROR, ASL_MSG_TABLE_SIGNATURE, Child, |
"Contains non-alphanumeric characters"); |
} |
} |
} |
|
/* Revision */ |
|
Child = Child->Asl.Next; |
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
/* |
* We used the revision to set the integer width earlier |
*/ |
|
/* OEMID */ |
|
Child = Child->Asl.Next; |
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
|
/* OEM TableID */ |
|
Child = Child->Asl.Next; |
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
if (Child->Asl.Value.String) |
{ |
Length = ACPI_STRLEN (Child->Asl.Value.String); |
Gbl_TableId = AcpiOsAllocate (Length + 1); |
ACPI_STRCPY (Gbl_TableId, Child->Asl.Value.String); |
|
for (i = 0; i < Length; i++) |
{ |
if (Gbl_TableId[i] == ' ') |
{ |
Gbl_TableId[i] = 0; |
break; |
} |
} |
} |
|
/* OEM Revision */ |
|
Child = Child->Asl.Next; |
Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: UtGetArg |
* |
* PARAMETERS: Op - Get an argument for this op |
* Argn - Nth argument to get |
* |
* RETURN: The argument (as an Op object). NULL if argument does not exist |
* |
* DESCRIPTION: Get the specified op's argument (peer) |
* |
******************************************************************************/ |
|
ACPI_PARSE_OBJECT * |
UtGetArg ( |
ACPI_PARSE_OBJECT *Op, |
UINT32 Argn) |
{ |
ACPI_PARSE_OBJECT *Arg = NULL; |
|
|
/* Get the requested argument object */ |
|
Arg = Op->Asl.Child; |
while (Arg && Argn) |
{ |
Argn--; |
Arg = Arg->Asl.Next; |
} |
|
return (Arg); |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnAttachNameToNode |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: For the named ASL/AML operators, get the actual name from the |
* argument list and attach it to the parent node so that we |
* can get to it quickly later. |
* |
******************************************************************************/ |
|
static void |
OpnAttachNameToNode ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_PARSE_OBJECT *Child = NULL; |
|
|
if (Op->Asl.ParseOpcode == PARSEOP_EXTERNAL) |
{ |
Child = UtGetArg (Op, 0); |
} |
else switch (Op->Asl.AmlOpcode) |
{ |
case AML_DATA_REGION_OP: |
case AML_DEVICE_OP: |
case AML_EVENT_OP: |
case AML_METHOD_OP: |
case AML_MUTEX_OP: |
case AML_REGION_OP: |
case AML_POWER_RES_OP: |
case AML_PROCESSOR_OP: |
case AML_THERMAL_ZONE_OP: |
case AML_NAME_OP: |
case AML_SCOPE_OP: |
|
Child = UtGetArg (Op, 0); |
break; |
|
case AML_ALIAS_OP: |
|
Child = UtGetArg (Op, 1); |
break; |
|
case AML_CREATE_BIT_FIELD_OP: |
case AML_CREATE_BYTE_FIELD_OP: |
case AML_CREATE_WORD_FIELD_OP: |
case AML_CREATE_DWORD_FIELD_OP: |
case AML_CREATE_QWORD_FIELD_OP: |
|
Child = UtGetArg (Op, 2); |
break; |
|
case AML_CREATE_FIELD_OP: |
|
Child = UtGetArg (Op, 3); |
break; |
|
case AML_BANK_FIELD_OP: |
case AML_INDEX_FIELD_OP: |
case AML_FIELD_OP: |
|
return; |
|
default: |
return; |
} |
|
if (Child) |
{ |
UtAttachNamepathToOwner (Op, Child); |
} |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: OpnGenerateAmlOperands |
* |
* PARAMETERS: Op - The parent parse node |
* |
* RETURN: None |
* |
* DESCRIPTION: Prepare nodes to be output as AML data and operands. The more |
* complex AML opcodes require processing of the child nodes |
* (arguments/operands). |
* |
******************************************************************************/ |
|
void |
OpnGenerateAmlOperands ( |
ACPI_PARSE_OBJECT *Op) |
{ |
|
|
if (Op->Asl.AmlOpcode == AML_RAW_DATA_BYTE) |
{ |
return; |
} |
|
switch (Op->Asl.ParseOpcode) |
{ |
case PARSEOP_DEFINITIONBLOCK: |
OpnDoDefinitionBlock (Op); |
break; |
|
case PARSEOP_METHOD: |
OpnDoMethod (Op); |
break; |
|
case PARSEOP_MUTEX: |
OpnDoMutex (Op); |
break; |
|
case PARSEOP_FIELD: |
OpnDoField (Op); |
break; |
|
case PARSEOP_INDEXFIELD: |
OpnDoIndexField (Op); |
break; |
|
case PARSEOP_BANKFIELD: |
OpnDoBankField (Op); |
break; |
|
case PARSEOP_BUFFER: |
OpnDoBuffer (Op); |
break; |
|
case PARSEOP_LOADTABLE: |
OpnDoLoadTable (Op); |
break; |
|
case PARSEOP_OPERATIONREGION: |
OpnDoRegion (Op); |
break; |
|
case PARSEOP_RESOURCETEMPLATE: |
RsDoResourceTemplate (Op); |
break; |
|
case PARSEOP_NAMESEG: |
case PARSEOP_NAMESTRING: |
case PARSEOP_METHODCALL: |
case PARSEOP_STRING_LITERAL: |
break; |
|
default: |
break; |
} |
|
/* TBD: move */ |
|
OpnAttachNameToNode (Op); |
} |
|
|