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Diffstat (limited to 'sys/contrib/dev/acpica/compiler/asloperands.c')
| -rw-r--r-- | sys/contrib/dev/acpica/compiler/asloperands.c | 1112 |
1 files changed, 1112 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/compiler/asloperands.c b/sys/contrib/dev/acpica/compiler/asloperands.c new file mode 100644 index 0000000..a92d0cc --- /dev/null +++ b/sys/contrib/dev/acpica/compiler/asloperands.c @@ -0,0 +1,1112 @@ + +/****************************************************************************** + * + * Module Name: asloperands - AML operand processing + * $Revision: 45 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2003, 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") + + +/******************************************************************************* + * + * FUNCTION: OpnDoMethod + * + * PARAMETERS: Op - The parent parse node + * + * RETURN: None + * + * DESCRIPTION: Construct the operands for the METHOD ASL keyword. + * + ******************************************************************************/ + +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 (0-15 valid) */ + + Next = Next->Asl.Next; + if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) + { + 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 + * + ******************************************************************************/ + +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 + * + ******************************************************************************/ + +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 + * + ******************************************************************************/ + +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 + * + ******************************************************************************/ + +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. + * + ******************************************************************************/ + +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_INTEGER_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. + * + ******************************************************************************/ + +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 a warning */ + + AslError (ASL_WARNING, 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. + * + ******************************************************************************/ + +void +OpnDoPackage ( + ACPI_PARSE_OBJECT *Op) +{ + ACPI_PARSE_OBJECT *InitializerOp; + ACPI_PARSE_OBJECT *PackageLengthOp; + + /* Optional arguments for this opcode with defaults */ + + UINT32 PackageLength = 0; + + + /* Opcode and package length first */ + /* Buffer Length is next, followed by the initializer list */ + + PackageLengthOp = Op->Asl.Child; + InitializerOp = PackageLengthOp->Asl.Next; + + /* + * We always 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 (Per ACPI Spec) + */ + if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) + { + /* The peer list contains the byte list (if any...) */ + + while (InitializerOp) + { + PackageLength++; + InitializerOp = InitializerOp->Asl.Next; + } + } + + /* Check if initializer list is longer than the buffer length */ + + if ((PackageLengthOp->Asl.ParseOpcode == PARSEOP_INTEGER) || + (PackageLengthOp->Asl.ParseOpcode == PARSEOP_BYTECONST)) + { + if (PackageLengthOp->Asl.Value.Integer > PackageLength) + { + PackageLength = (UINT32) PackageLengthOp->Asl.Value.Integer; + } + } + + /* + * If not a variable-length package, check for a zero + * package length + */ + if ((PackageLengthOp->Asl.ParseOpcode == PARSEOP_INTEGER) || + (PackageLengthOp->Asl.ParseOpcode == PARSEOP_BYTECONST) || + (PackageLengthOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)) + { + if (!PackageLength) + { + /* No length AND no items -- issue a warning */ + + AslError (ASL_WARNING, ASL_MSG_PACKAGE_LENGTH, PackageLengthOp, 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 + */ + 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. + * + ******************************************************************************/ + +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); + } + + /* 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); + } + */ +} + + +/******************************************************************************* + * + * FUNCTION: OpnDoDefinitionBlock + * + * PARAMETERS: Op - The parent parse node + * + * RETURN: None + * + * DESCRIPTION: Construct the AML operands for the DEFINITIONBLOCK ASL keyword + * + ******************************************************************************/ + +void +OpnDoDefinitionBlock ( + ACPI_PARSE_OBJECT *Op) +{ + ACPI_PARSE_OBJECT *Child; + ACPI_SIZE Length; + ACPI_NATIVE_UINT i; + + + /* + * 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! + */ + + /* AML filename */ + + Child = Op->Asl.Child; + if ((Child->Asl.Value.Buffer) && (Gbl_UseDefaultAmlFilename)) + { + Gbl_OutputFilenamePrefix = (char *) Child->Asl.Value.Buffer; + } + 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 (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; + + /* Use the revision to set the integer width */ + + AcpiUtSetIntegerWidth ((UINT8) Child->Asl.Value.Integer); + + /* 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. + * + ******************************************************************************/ + +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_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_PACKAGE: + OpnDoPackage (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); +} + + |
