| /drivers/devman/acpica/parser/psargs.c |
|---|
| 0,0 → 1,893 |
| /****************************************************************************** |
| * |
| * Module Name: psargs - Parse AML opcode arguments |
| * |
| *****************************************************************************/ |
| /****************************************************************************** |
| * |
| * 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. |
| * |
| *****************************************************************************/ |
| #define __PSARGS_C__ |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #include "amlcode.h" |
| #include "acnamesp.h" |
| #include "acdispat.h" |
| #define _COMPONENT ACPI_PARSER |
| ACPI_MODULE_NAME ("psargs") |
| /* Local prototypes */ |
| static UINT32 |
| AcpiPsGetNextPackageLength ( |
| ACPI_PARSE_STATE *ParserState); |
| static ACPI_PARSE_OBJECT * |
| AcpiPsGetNextField ( |
| ACPI_PARSE_STATE *ParserState); |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetNextPackageLength |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * |
| * RETURN: Decoded package length. On completion, the AML pointer points |
| * past the length byte or bytes. |
| * |
| * DESCRIPTION: Decode and return a package length field. |
| * Note: Largest package length is 28 bits, from ACPI specification |
| * |
| ******************************************************************************/ |
| static UINT32 |
| AcpiPsGetNextPackageLength ( |
| ACPI_PARSE_STATE *ParserState) |
| { |
| UINT8 *Aml = ParserState->Aml; |
| UINT32 PackageLength = 0; |
| UINT32 ByteCount; |
| UINT8 ByteZeroMask = 0x3F; /* Default [0:5] */ |
| ACPI_FUNCTION_TRACE (PsGetNextPackageLength); |
| /* |
| * Byte 0 bits [6:7] contain the number of additional bytes |
| * used to encode the package length, either 0,1,2, or 3 |
| */ |
| ByteCount = (Aml[0] >> 6); |
| ParserState->Aml += ((ACPI_SIZE) ByteCount + 1); |
| /* Get bytes 3, 2, 1 as needed */ |
| while (ByteCount) |
| { |
| /* |
| * Final bit positions for the package length bytes: |
| * Byte3->[20:27] |
| * Byte2->[12:19] |
| * Byte1->[04:11] |
| * Byte0->[00:03] |
| */ |
| PackageLength |= (Aml[ByteCount] << ((ByteCount << 3) - 4)); |
| ByteZeroMask = 0x0F; /* Use bits [0:3] of byte 0 */ |
| ByteCount--; |
| } |
| /* Byte 0 is a special case, either bits [0:3] or [0:5] are used */ |
| PackageLength |= (Aml[0] & ByteZeroMask); |
| return_UINT32 (PackageLength); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetNextPackageEnd |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * |
| * RETURN: Pointer to end-of-package +1 |
| * |
| * DESCRIPTION: Get next package length and return a pointer past the end of |
| * the package. Consumes the package length field |
| * |
| ******************************************************************************/ |
| UINT8 * |
| AcpiPsGetNextPackageEnd ( |
| ACPI_PARSE_STATE *ParserState) |
| { |
| UINT8 *Start = ParserState->Aml; |
| UINT32 PackageLength; |
| ACPI_FUNCTION_TRACE (PsGetNextPackageEnd); |
| /* Function below updates ParserState->Aml */ |
| PackageLength = AcpiPsGetNextPackageLength (ParserState); |
| return_PTR (Start + PackageLength); /* end of package */ |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetNextNamestring |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * |
| * RETURN: Pointer to the start of the name string (pointer points into |
| * the AML. |
| * |
| * DESCRIPTION: Get next raw namestring within the AML stream. Handles all name |
| * prefix characters. Set parser state to point past the string. |
| * (Name is consumed from the AML.) |
| * |
| ******************************************************************************/ |
| char * |
| AcpiPsGetNextNamestring ( |
| ACPI_PARSE_STATE *ParserState) |
| { |
| UINT8 *Start = ParserState->Aml; |
| UINT8 *End = ParserState->Aml; |
| ACPI_FUNCTION_TRACE (PsGetNextNamestring); |
| /* Point past any namestring prefix characters (backslash or carat) */ |
| while (AcpiPsIsPrefixChar (*End)) |
| { |
| End++; |
| } |
| /* Decode the path prefix character */ |
| switch (*End) |
| { |
| case 0: |
| /* NullName */ |
| if (End == Start) |
| { |
| Start = NULL; |
| } |
| End++; |
| break; |
| case AML_DUAL_NAME_PREFIX: |
| /* Two name segments */ |
| End += 1 + (2 * ACPI_NAME_SIZE); |
| break; |
| case AML_MULTI_NAME_PREFIX_OP: |
| /* Multiple name segments, 4 chars each, count in next byte */ |
| End += 2 + (*(End + 1) * ACPI_NAME_SIZE); |
| break; |
| default: |
| /* Single name segment */ |
| End += ACPI_NAME_SIZE; |
| break; |
| } |
| ParserState->Aml = End; |
| return_PTR ((char *) Start); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetNextNamepath |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * Arg - Where the namepath will be stored |
| * ArgCount - If the namepath points to a control method |
| * the method's argument is returned here. |
| * PossibleMethodCall - Whether the namepath can possibly be the |
| * start of a method call |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Get next name (if method call, return # of required args). |
| * Names are looked up in the internal namespace to determine |
| * if the name represents a control method. If a method |
| * is found, the number of arguments to the method is returned. |
| * This information is critical for parsing to continue correctly. |
| * |
| ******************************************************************************/ |
| ACPI_STATUS |
| AcpiPsGetNextNamepath ( |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_STATE *ParserState, |
| ACPI_PARSE_OBJECT *Arg, |
| BOOLEAN PossibleMethodCall) |
| { |
| ACPI_STATUS Status; |
| char *Path; |
| ACPI_PARSE_OBJECT *NameOp; |
| ACPI_OPERAND_OBJECT *MethodDesc; |
| ACPI_NAMESPACE_NODE *Node; |
| UINT8 *Start = ParserState->Aml; |
| ACPI_FUNCTION_TRACE (PsGetNextNamepath); |
| Path = AcpiPsGetNextNamestring (ParserState); |
| AcpiPsInitOp (Arg, AML_INT_NAMEPATH_OP); |
| /* Null path case is allowed, just exit */ |
| if (!Path) |
| { |
| Arg->Common.Value.Name = Path; |
| return_ACPI_STATUS (AE_OK); |
| } |
| /* |
| * Lookup the name in the internal namespace, starting with the current |
| * scope. We don't want to add anything new to the namespace here, |
| * however, so we use MODE_EXECUTE. |
| * Allow searching of the parent tree, but don't open a new scope - |
| * we just want to lookup the object (must be mode EXECUTE to perform |
| * the upsearch) |
| */ |
| Status = AcpiNsLookup (WalkState->ScopeInfo, Path, |
| ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, |
| ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL, &Node); |
| /* |
| * If this name is a control method invocation, we must |
| * setup the method call |
| */ |
| if (ACPI_SUCCESS (Status) && |
| PossibleMethodCall && |
| (Node->Type == ACPI_TYPE_METHOD)) |
| { |
| if (WalkState->Opcode == AML_UNLOAD_OP) |
| { |
| /* |
| * AcpiPsGetNextNamestring has increased the AML pointer, |
| * so we need to restore the saved AML pointer for method call. |
| */ |
| WalkState->ParserState.Aml = Start; |
| WalkState->ArgCount = 1; |
| AcpiPsInitOp (Arg, AML_INT_METHODCALL_OP); |
| return_ACPI_STATUS (AE_OK); |
| } |
| /* This name is actually a control method invocation */ |
| MethodDesc = AcpiNsGetAttachedObject (Node); |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, |
| "Control Method - %p Desc %p Path=%p\n", Node, MethodDesc, Path)); |
| NameOp = AcpiPsAllocOp (AML_INT_NAMEPATH_OP); |
| if (!NameOp) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| /* Change Arg into a METHOD CALL and attach name to it */ |
| AcpiPsInitOp (Arg, AML_INT_METHODCALL_OP); |
| NameOp->Common.Value.Name = Path; |
| /* Point METHODCALL/NAME to the METHOD Node */ |
| NameOp->Common.Node = Node; |
| AcpiPsAppendArg (Arg, NameOp); |
| if (!MethodDesc) |
| { |
| ACPI_ERROR ((AE_INFO, |
| "Control Method %p has no attached object", |
| Node)); |
| return_ACPI_STATUS (AE_AML_INTERNAL); |
| } |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, |
| "Control Method - %p Args %X\n", |
| Node, MethodDesc->Method.ParamCount)); |
| /* Get the number of arguments to expect */ |
| WalkState->ArgCount = MethodDesc->Method.ParamCount; |
| return_ACPI_STATUS (AE_OK); |
| } |
| /* |
| * Special handling if the name was not found during the lookup - |
| * some NotFound cases are allowed |
| */ |
| if (Status == AE_NOT_FOUND) |
| { |
| /* 1) NotFound is ok during load pass 1/2 (allow forward references) */ |
| if ((WalkState->ParseFlags & ACPI_PARSE_MODE_MASK) != |
| ACPI_PARSE_EXECUTE) |
| { |
| Status = AE_OK; |
| } |
| /* 2) NotFound during a CondRefOf(x) is ok by definition */ |
| else if (WalkState->Op->Common.AmlOpcode == AML_COND_REF_OF_OP) |
| { |
| Status = AE_OK; |
| } |
| /* |
| * 3) NotFound while building a Package is ok at this point, we |
| * may flag as an error later if slack mode is not enabled. |
| * (Some ASL code depends on allowing this behavior) |
| */ |
| else if ((Arg->Common.Parent) && |
| ((Arg->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) || |
| (Arg->Common.Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP))) |
| { |
| Status = AE_OK; |
| } |
| } |
| /* Final exception check (may have been changed from code above) */ |
| if (ACPI_FAILURE (Status)) |
| { |
| ACPI_ERROR_NAMESPACE (Path, Status); |
| if ((WalkState->ParseFlags & ACPI_PARSE_MODE_MASK) == |
| ACPI_PARSE_EXECUTE) |
| { |
| /* Report a control method execution error */ |
| Status = AcpiDsMethodError (Status, WalkState); |
| } |
| } |
| /* Save the namepath */ |
| Arg->Common.Value.Name = Path; |
| return_ACPI_STATUS (Status); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetNextSimpleArg |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * ArgType - The argument type (AML_*_ARG) |
| * Arg - Where the argument is returned |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Get the next simple argument (constant, string, or namestring) |
| * |
| ******************************************************************************/ |
| void |
| AcpiPsGetNextSimpleArg ( |
| ACPI_PARSE_STATE *ParserState, |
| UINT32 ArgType, |
| ACPI_PARSE_OBJECT *Arg) |
| { |
| UINT32 Length; |
| UINT16 Opcode; |
| UINT8 *Aml = ParserState->Aml; |
| ACPI_FUNCTION_TRACE_U32 (PsGetNextSimpleArg, ArgType); |
| switch (ArgType) |
| { |
| case ARGP_BYTEDATA: |
| /* Get 1 byte from the AML stream */ |
| Opcode = AML_BYTE_OP; |
| Arg->Common.Value.Integer = (UINT64) *Aml; |
| Length = 1; |
| break; |
| case ARGP_WORDDATA: |
| /* Get 2 bytes from the AML stream */ |
| Opcode = AML_WORD_OP; |
| ACPI_MOVE_16_TO_64 (&Arg->Common.Value.Integer, Aml); |
| Length = 2; |
| break; |
| case ARGP_DWORDDATA: |
| /* Get 4 bytes from the AML stream */ |
| Opcode = AML_DWORD_OP; |
| ACPI_MOVE_32_TO_64 (&Arg->Common.Value.Integer, Aml); |
| Length = 4; |
| break; |
| case ARGP_QWORDDATA: |
| /* Get 8 bytes from the AML stream */ |
| Opcode = AML_QWORD_OP; |
| ACPI_MOVE_64_TO_64 (&Arg->Common.Value.Integer, Aml); |
| Length = 8; |
| break; |
| case ARGP_CHARLIST: |
| /* Get a pointer to the string, point past the string */ |
| Opcode = AML_STRING_OP; |
| Arg->Common.Value.String = ACPI_CAST_PTR (char, Aml); |
| /* Find the null terminator */ |
| Length = 0; |
| while (Aml[Length]) |
| { |
| Length++; |
| } |
| Length++; |
| break; |
| case ARGP_NAME: |
| case ARGP_NAMESTRING: |
| AcpiPsInitOp (Arg, AML_INT_NAMEPATH_OP); |
| Arg->Common.Value.Name = AcpiPsGetNextNamestring (ParserState); |
| return_VOID; |
| default: |
| ACPI_ERROR ((AE_INFO, "Invalid ArgType 0x%X", ArgType)); |
| return_VOID; |
| } |
| AcpiPsInitOp (Arg, Opcode); |
| ParserState->Aml += Length; |
| return_VOID; |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetNextField |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * |
| * RETURN: A newly allocated FIELD op |
| * |
| * DESCRIPTION: Get next field (NamedField, ReservedField, or AccessField) |
| * |
| ******************************************************************************/ |
| static ACPI_PARSE_OBJECT * |
| AcpiPsGetNextField ( |
| ACPI_PARSE_STATE *ParserState) |
| { |
| UINT32 AmlOffset = (UINT32) |
| ACPI_PTR_DIFF (ParserState->Aml, |
| ParserState->AmlStart); |
| ACPI_PARSE_OBJECT *Field; |
| UINT16 Opcode; |
| UINT32 Name; |
| ACPI_FUNCTION_TRACE (PsGetNextField); |
| /* Determine field type */ |
| switch (ACPI_GET8 (ParserState->Aml)) |
| { |
| default: |
| Opcode = AML_INT_NAMEDFIELD_OP; |
| break; |
| case 0x00: |
| Opcode = AML_INT_RESERVEDFIELD_OP; |
| ParserState->Aml++; |
| break; |
| case 0x01: |
| Opcode = AML_INT_ACCESSFIELD_OP; |
| ParserState->Aml++; |
| break; |
| } |
| /* Allocate a new field op */ |
| Field = AcpiPsAllocOp (Opcode); |
| if (!Field) |
| { |
| return_PTR (NULL); |
| } |
| Field->Common.AmlOffset = AmlOffset; |
| /* Decode the field type */ |
| switch (Opcode) |
| { |
| case AML_INT_NAMEDFIELD_OP: |
| /* Get the 4-character name */ |
| ACPI_MOVE_32_TO_32 (&Name, ParserState->Aml); |
| AcpiPsSetName (Field, Name); |
| ParserState->Aml += ACPI_NAME_SIZE; |
| /* Get the length which is encoded as a package length */ |
| Field->Common.Value.Size = AcpiPsGetNextPackageLength (ParserState); |
| break; |
| case AML_INT_RESERVEDFIELD_OP: |
| /* Get the length which is encoded as a package length */ |
| Field->Common.Value.Size = AcpiPsGetNextPackageLength (ParserState); |
| break; |
| case AML_INT_ACCESSFIELD_OP: |
| /* |
| * Get AccessType and AccessAttrib and merge into the field Op |
| * AccessType is first operand, AccessAttribute is second |
| */ |
| Field->Common.Value.Integer = (((UINT32) ACPI_GET8 (ParserState->Aml) << 8)); |
| ParserState->Aml++; |
| Field->Common.Value.Integer |= ACPI_GET8 (ParserState->Aml); |
| ParserState->Aml++; |
| break; |
| default: |
| /* Opcode was set in previous switch */ |
| break; |
| } |
| return_PTR (Field); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetNextArg |
| * |
| * PARAMETERS: WalkState - Current state |
| * ParserState - Current parser state object |
| * ArgType - The argument type (AML_*_ARG) |
| * ReturnArg - Where the next arg is returned |
| * |
| * RETURN: Status, and an op object containing the next argument. |
| * |
| * DESCRIPTION: Get next argument (including complex list arguments that require |
| * pushing the parser stack) |
| * |
| ******************************************************************************/ |
| ACPI_STATUS |
| AcpiPsGetNextArg ( |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_STATE *ParserState, |
| UINT32 ArgType, |
| ACPI_PARSE_OBJECT **ReturnArg) |
| { |
| ACPI_PARSE_OBJECT *Arg = NULL; |
| ACPI_PARSE_OBJECT *Prev = NULL; |
| ACPI_PARSE_OBJECT *Field; |
| UINT32 Subop; |
| ACPI_STATUS Status = AE_OK; |
| ACPI_FUNCTION_TRACE_PTR (PsGetNextArg, ParserState); |
| switch (ArgType) |
| { |
| case ARGP_BYTEDATA: |
| case ARGP_WORDDATA: |
| case ARGP_DWORDDATA: |
| case ARGP_CHARLIST: |
| case ARGP_NAME: |
| case ARGP_NAMESTRING: |
| /* Constants, strings, and namestrings are all the same size */ |
| Arg = AcpiPsAllocOp (AML_BYTE_OP); |
| if (!Arg) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| AcpiPsGetNextSimpleArg (ParserState, ArgType, Arg); |
| break; |
| case ARGP_PKGLENGTH: |
| /* Package length, nothing returned */ |
| ParserState->PkgEnd = AcpiPsGetNextPackageEnd (ParserState); |
| break; |
| case ARGP_FIELDLIST: |
| if (ParserState->Aml < ParserState->PkgEnd) |
| { |
| /* Non-empty list */ |
| while (ParserState->Aml < ParserState->PkgEnd) |
| { |
| Field = AcpiPsGetNextField (ParserState); |
| if (!Field) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| if (Prev) |
| { |
| Prev->Common.Next = Field; |
| } |
| else |
| { |
| Arg = Field; |
| } |
| Prev = Field; |
| } |
| /* Skip to End of byte data */ |
| ParserState->Aml = ParserState->PkgEnd; |
| } |
| break; |
| case ARGP_BYTELIST: |
| if (ParserState->Aml < ParserState->PkgEnd) |
| { |
| /* Non-empty list */ |
| Arg = AcpiPsAllocOp (AML_INT_BYTELIST_OP); |
| if (!Arg) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| /* Fill in bytelist data */ |
| Arg->Common.Value.Size = (UINT32) |
| ACPI_PTR_DIFF (ParserState->PkgEnd, ParserState->Aml); |
| Arg->Named.Data = ParserState->Aml; |
| /* Skip to End of byte data */ |
| ParserState->Aml = ParserState->PkgEnd; |
| } |
| break; |
| case ARGP_TARGET: |
| case ARGP_SUPERNAME: |
| case ARGP_SIMPLENAME: |
| Subop = AcpiPsPeekOpcode (ParserState); |
| if (Subop == 0 || |
| AcpiPsIsLeadingChar (Subop) || |
| AcpiPsIsPrefixChar (Subop)) |
| { |
| /* NullName or NameString */ |
| Arg = AcpiPsAllocOp (AML_INT_NAMEPATH_OP); |
| if (!Arg) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| /* To support SuperName arg of Unload */ |
| if (WalkState->Opcode == AML_UNLOAD_OP) |
| { |
| Status = AcpiPsGetNextNamepath (WalkState, ParserState, Arg, 1); |
| /* |
| * If the SuperName arg of Unload is a method call, |
| * we have restored the AML pointer, just free this Arg |
| */ |
| if (Arg->Common.AmlOpcode == AML_INT_METHODCALL_OP) |
| { |
| AcpiPsFreeOp (Arg); |
| Arg = NULL; |
| } |
| } |
| else |
| { |
| Status = AcpiPsGetNextNamepath (WalkState, ParserState, Arg, 0); |
| } |
| } |
| else |
| { |
| /* Single complex argument, nothing returned */ |
| WalkState->ArgCount = 1; |
| } |
| break; |
| case ARGP_DATAOBJ: |
| case ARGP_TERMARG: |
| /* Single complex argument, nothing returned */ |
| WalkState->ArgCount = 1; |
| break; |
| case ARGP_DATAOBJLIST: |
| case ARGP_TERMLIST: |
| case ARGP_OBJLIST: |
| if (ParserState->Aml < ParserState->PkgEnd) |
| { |
| /* Non-empty list of variable arguments, nothing returned */ |
| WalkState->ArgCount = ACPI_VAR_ARGS; |
| } |
| break; |
| default: |
| ACPI_ERROR ((AE_INFO, "Invalid ArgType: 0x%X", ArgType)); |
| Status = AE_AML_OPERAND_TYPE; |
| break; |
| } |
| *ReturnArg = Arg; |
| return_ACPI_STATUS (Status); |
| } |
| /drivers/devman/acpica/parser/psloop.c |
|---|
| 0,0 → 1,1340 |
| /****************************************************************************** |
| * |
| * Module Name: psloop - Main AML parse loop |
| * |
| *****************************************************************************/ |
| /****************************************************************************** |
| * |
| * 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. |
| * |
| *****************************************************************************/ |
| /* |
| * Parse the AML and build an operation tree as most interpreters, (such as |
| * Perl) do. Parsing is done by hand rather than with a YACC generated parser |
| * to tightly constrain stack and dynamic memory usage. Parsing is kept |
| * flexible and the code fairly compact by parsing based on a list of AML |
| * opcode templates in AmlOpInfo[]. |
| */ |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #include "acdispat.h" |
| #include "amlcode.h" |
| #define _COMPONENT ACPI_PARSER |
| ACPI_MODULE_NAME ("psloop") |
| static UINT32 AcpiGbl_Depth = 0; |
| /* Local prototypes */ |
| static ACPI_STATUS |
| AcpiPsGetAmlOpcode ( |
| ACPI_WALK_STATE *WalkState); |
| static ACPI_STATUS |
| AcpiPsBuildNamedOp ( |
| ACPI_WALK_STATE *WalkState, |
| UINT8 *AmlOpStart, |
| ACPI_PARSE_OBJECT *UnnamedOp, |
| ACPI_PARSE_OBJECT **Op); |
| static ACPI_STATUS |
| AcpiPsCreateOp ( |
| ACPI_WALK_STATE *WalkState, |
| UINT8 *AmlOpStart, |
| ACPI_PARSE_OBJECT **NewOp); |
| static ACPI_STATUS |
| AcpiPsGetArguments ( |
| ACPI_WALK_STATE *WalkState, |
| UINT8 *AmlOpStart, |
| ACPI_PARSE_OBJECT *Op); |
| static ACPI_STATUS |
| AcpiPsCompleteOp ( |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_OBJECT **Op, |
| ACPI_STATUS Status); |
| static ACPI_STATUS |
| AcpiPsCompleteFinalOp ( |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_OBJECT *Op, |
| ACPI_STATUS Status); |
| static void |
| AcpiPsLinkModuleCode ( |
| ACPI_PARSE_OBJECT *ParentOp, |
| UINT8 *AmlStart, |
| UINT32 AmlLength, |
| ACPI_OWNER_ID OwnerId); |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetAmlOpcode |
| * |
| * PARAMETERS: WalkState - Current state |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Extract the next AML opcode from the input stream. |
| * |
| ******************************************************************************/ |
| static ACPI_STATUS |
| AcpiPsGetAmlOpcode ( |
| ACPI_WALK_STATE *WalkState) |
| { |
| ACPI_FUNCTION_TRACE_PTR (PsGetAmlOpcode, WalkState); |
| WalkState->AmlOffset = (UINT32) ACPI_PTR_DIFF (WalkState->ParserState.Aml, |
| WalkState->ParserState.AmlStart); |
| WalkState->Opcode = AcpiPsPeekOpcode (&(WalkState->ParserState)); |
| /* |
| * First cut to determine what we have found: |
| * 1) A valid AML opcode |
| * 2) A name string |
| * 3) An unknown/invalid opcode |
| */ |
| WalkState->OpInfo = AcpiPsGetOpcodeInfo (WalkState->Opcode); |
| switch (WalkState->OpInfo->Class) |
| { |
| case AML_CLASS_ASCII: |
| case AML_CLASS_PREFIX: |
| /* |
| * Starts with a valid prefix or ASCII char, this is a name |
| * string. Convert the bare name string to a namepath. |
| */ |
| WalkState->Opcode = AML_INT_NAMEPATH_OP; |
| WalkState->ArgTypes = ARGP_NAMESTRING; |
| break; |
| case AML_CLASS_UNKNOWN: |
| /* The opcode is unrecognized. Just skip unknown opcodes */ |
| ACPI_ERROR ((AE_INFO, |
| "Found unknown opcode 0x%X at AML address %p offset 0x%X, ignoring", |
| WalkState->Opcode, WalkState->ParserState.Aml, WalkState->AmlOffset)); |
| ACPI_DUMP_BUFFER (WalkState->ParserState.Aml, 128); |
| /* Assume one-byte bad opcode */ |
| WalkState->ParserState.Aml++; |
| return_ACPI_STATUS (AE_CTRL_PARSE_CONTINUE); |
| default: |
| /* Found opcode info, this is a normal opcode */ |
| WalkState->ParserState.Aml += AcpiPsGetOpcodeSize (WalkState->Opcode); |
| WalkState->ArgTypes = WalkState->OpInfo->ParseArgs; |
| break; |
| } |
| return_ACPI_STATUS (AE_OK); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsBuildNamedOp |
| * |
| * PARAMETERS: WalkState - Current state |
| * AmlOpStart - Begin of named Op in AML |
| * UnnamedOp - Early Op (not a named Op) |
| * Op - Returned Op |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Parse a named Op |
| * |
| ******************************************************************************/ |
| static ACPI_STATUS |
| AcpiPsBuildNamedOp ( |
| ACPI_WALK_STATE *WalkState, |
| UINT8 *AmlOpStart, |
| ACPI_PARSE_OBJECT *UnnamedOp, |
| ACPI_PARSE_OBJECT **Op) |
| { |
| ACPI_STATUS Status = AE_OK; |
| ACPI_PARSE_OBJECT *Arg = NULL; |
| ACPI_FUNCTION_TRACE_PTR (PsBuildNamedOp, WalkState); |
| UnnamedOp->Common.Value.Arg = NULL; |
| UnnamedOp->Common.ArgListLength = 0; |
| UnnamedOp->Common.AmlOpcode = WalkState->Opcode; |
| /* |
| * Get and append arguments until we find the node that contains |
| * the name (the type ARGP_NAME). |
| */ |
| while (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) && |
| (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) != ARGP_NAME)) |
| { |
| Status = AcpiPsGetNextArg (WalkState, &(WalkState->ParserState), |
| GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), &Arg); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| AcpiPsAppendArg (UnnamedOp, Arg); |
| INCREMENT_ARG_LIST (WalkState->ArgTypes); |
| } |
| /* |
| * Make sure that we found a NAME and didn't run out of arguments |
| */ |
| if (!GET_CURRENT_ARG_TYPE (WalkState->ArgTypes)) |
| { |
| return_ACPI_STATUS (AE_AML_NO_OPERAND); |
| } |
| /* We know that this arg is a name, move to next arg */ |
| INCREMENT_ARG_LIST (WalkState->ArgTypes); |
| /* |
| * Find the object. This will either insert the object into |
| * the namespace or simply look it up |
| */ |
| WalkState->Op = NULL; |
| Status = WalkState->DescendingCallback (WalkState, Op); |
| if (ACPI_FAILURE (Status)) |
| { |
| ACPI_EXCEPTION ((AE_INFO, Status, "During name lookup/catalog")); |
| return_ACPI_STATUS (Status); |
| } |
| if (!*Op) |
| { |
| return_ACPI_STATUS (AE_CTRL_PARSE_CONTINUE); |
| } |
| Status = AcpiPsNextParseState (WalkState, *Op, Status); |
| if (ACPI_FAILURE (Status)) |
| { |
| if (Status == AE_CTRL_PENDING) |
| { |
| return_ACPI_STATUS (AE_CTRL_PARSE_PENDING); |
| } |
| return_ACPI_STATUS (Status); |
| } |
| AcpiPsAppendArg (*Op, UnnamedOp->Common.Value.Arg); |
| AcpiGbl_Depth++; |
| if ((*Op)->Common.AmlOpcode == AML_REGION_OP || |
| (*Op)->Common.AmlOpcode == AML_DATA_REGION_OP) |
| { |
| /* |
| * Defer final parsing of an OperationRegion body, because we don't |
| * have enough info in the first pass to parse it correctly (i.e., |
| * there may be method calls within the TermArg elements of the body.) |
| * |
| * However, we must continue parsing because the opregion is not a |
| * standalone package -- we don't know where the end is at this point. |
| * |
| * (Length is unknown until parse of the body complete) |
| */ |
| (*Op)->Named.Data = AmlOpStart; |
| (*Op)->Named.Length = 0; |
| } |
| return_ACPI_STATUS (AE_OK); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsCreateOp |
| * |
| * PARAMETERS: WalkState - Current state |
| * AmlOpStart - Op start in AML |
| * NewOp - Returned Op |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Get Op from AML |
| * |
| ******************************************************************************/ |
| static ACPI_STATUS |
| AcpiPsCreateOp ( |
| ACPI_WALK_STATE *WalkState, |
| UINT8 *AmlOpStart, |
| ACPI_PARSE_OBJECT **NewOp) |
| { |
| ACPI_STATUS Status = AE_OK; |
| ACPI_PARSE_OBJECT *Op; |
| ACPI_PARSE_OBJECT *NamedOp = NULL; |
| ACPI_PARSE_OBJECT *ParentScope; |
| UINT8 ArgumentCount; |
| const ACPI_OPCODE_INFO *OpInfo; |
| ACPI_FUNCTION_TRACE_PTR (PsCreateOp, WalkState); |
| Status = AcpiPsGetAmlOpcode (WalkState); |
| if (Status == AE_CTRL_PARSE_CONTINUE) |
| { |
| return_ACPI_STATUS (AE_CTRL_PARSE_CONTINUE); |
| } |
| /* Create Op structure and append to parent's argument list */ |
| WalkState->OpInfo = AcpiPsGetOpcodeInfo (WalkState->Opcode); |
| Op = AcpiPsAllocOp (WalkState->Opcode); |
| if (!Op) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| if (WalkState->OpInfo->Flags & AML_NAMED) |
| { |
| Status = AcpiPsBuildNamedOp (WalkState, AmlOpStart, Op, &NamedOp); |
| AcpiPsFreeOp (Op); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| *NewOp = NamedOp; |
| return_ACPI_STATUS (AE_OK); |
| } |
| /* Not a named opcode, just allocate Op and append to parent */ |
| if (WalkState->OpInfo->Flags & AML_CREATE) |
| { |
| /* |
| * Backup to beginning of CreateXXXfield declaration |
| * BodyLength is unknown until we parse the body |
| */ |
| Op->Named.Data = AmlOpStart; |
| Op->Named.Length = 0; |
| } |
| if (WalkState->Opcode == AML_BANK_FIELD_OP) |
| { |
| /* |
| * Backup to beginning of BankField declaration |
| * BodyLength is unknown until we parse the body |
| */ |
| Op->Named.Data = AmlOpStart; |
| Op->Named.Length = 0; |
| } |
| ParentScope = AcpiPsGetParentScope (&(WalkState->ParserState)); |
| AcpiPsAppendArg (ParentScope, Op); |
| if (ParentScope) |
| { |
| OpInfo = AcpiPsGetOpcodeInfo (ParentScope->Common.AmlOpcode); |
| if (OpInfo->Flags & AML_HAS_TARGET) |
| { |
| ArgumentCount = AcpiPsGetArgumentCount (OpInfo->Type); |
| if (ParentScope->Common.ArgListLength > ArgumentCount) |
| { |
| Op->Common.Flags |= ACPI_PARSEOP_TARGET; |
| } |
| } |
| else if (ParentScope->Common.AmlOpcode == AML_INCREMENT_OP) |
| { |
| Op->Common.Flags |= ACPI_PARSEOP_TARGET; |
| } |
| } |
| if (WalkState->DescendingCallback != NULL) |
| { |
| /* |
| * Find the object. This will either insert the object into |
| * the namespace or simply look it up |
| */ |
| WalkState->Op = *NewOp = Op; |
| Status = WalkState->DescendingCallback (WalkState, &Op); |
| Status = AcpiPsNextParseState (WalkState, Op, Status); |
| if (Status == AE_CTRL_PENDING) |
| { |
| Status = AE_CTRL_PARSE_PENDING; |
| } |
| } |
| return_ACPI_STATUS (Status); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetArguments |
| * |
| * PARAMETERS: WalkState - Current state |
| * AmlOpStart - Op start in AML |
| * Op - Current Op |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Get arguments for passed Op. |
| * |
| ******************************************************************************/ |
| static ACPI_STATUS |
| AcpiPsGetArguments ( |
| ACPI_WALK_STATE *WalkState, |
| UINT8 *AmlOpStart, |
| ACPI_PARSE_OBJECT *Op) |
| { |
| ACPI_STATUS Status = AE_OK; |
| ACPI_PARSE_OBJECT *Arg = NULL; |
| const ACPI_OPCODE_INFO *OpInfo; |
| ACPI_FUNCTION_TRACE_PTR (PsGetArguments, WalkState); |
| switch (Op->Common.AmlOpcode) |
| { |
| case AML_BYTE_OP: /* AML_BYTEDATA_ARG */ |
| case AML_WORD_OP: /* AML_WORDDATA_ARG */ |
| case AML_DWORD_OP: /* AML_DWORDATA_ARG */ |
| case AML_QWORD_OP: /* AML_QWORDATA_ARG */ |
| case AML_STRING_OP: /* AML_ASCIICHARLIST_ARG */ |
| /* Fill in constant or string argument directly */ |
| AcpiPsGetNextSimpleArg (&(WalkState->ParserState), |
| GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), Op); |
| break; |
| case AML_INT_NAMEPATH_OP: /* AML_NAMESTRING_ARG */ |
| Status = AcpiPsGetNextNamepath (WalkState, &(WalkState->ParserState), Op, 1); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| WalkState->ArgTypes = 0; |
| break; |
| default: |
| /* |
| * Op is not a constant or string, append each argument to the Op |
| */ |
| while (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) && !WalkState->ArgCount) |
| { |
| WalkState->AmlOffset = (UINT32) ACPI_PTR_DIFF (WalkState->ParserState.Aml, |
| WalkState->ParserState.AmlStart); |
| Status = AcpiPsGetNextArg (WalkState, &(WalkState->ParserState), |
| GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), &Arg); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| if (Arg) |
| { |
| Arg->Common.AmlOffset = WalkState->AmlOffset; |
| AcpiPsAppendArg (Op, Arg); |
| } |
| INCREMENT_ARG_LIST (WalkState->ArgTypes); |
| } |
| /* |
| * Handle executable code at "module-level". This refers to |
| * executable opcodes that appear outside of any control method. |
| */ |
| if ((WalkState->PassNumber <= ACPI_IMODE_LOAD_PASS2) && |
| ((WalkState->ParseFlags & ACPI_PARSE_DISASSEMBLE) == 0)) |
| { |
| /* |
| * We want to skip If/Else/While constructs during Pass1 because we |
| * want to actually conditionally execute the code during Pass2. |
| * |
| * Except for disassembly, where we always want to walk the |
| * If/Else/While packages |
| */ |
| switch (Op->Common.AmlOpcode) |
| { |
| case AML_IF_OP: |
| case AML_ELSE_OP: |
| case AML_WHILE_OP: |
| /* |
| * Currently supported module-level opcodes are: |
| * IF/ELSE/WHILE. These appear to be the most common, |
| * and easiest to support since they open an AML |
| * package. |
| */ |
| if (WalkState->PassNumber == ACPI_IMODE_LOAD_PASS1) |
| { |
| AcpiPsLinkModuleCode (Op->Common.Parent, AmlOpStart, |
| (UINT32) (WalkState->ParserState.PkgEnd - AmlOpStart), |
| WalkState->OwnerId); |
| } |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, |
| "Pass1: Skipping an If/Else/While body\n")); |
| /* Skip body of if/else/while in pass 1 */ |
| WalkState->ParserState.Aml = WalkState->ParserState.PkgEnd; |
| WalkState->ArgCount = 0; |
| break; |
| default: |
| /* |
| * Check for an unsupported executable opcode at module |
| * level. We must be in PASS1, the parent must be a SCOPE, |
| * The opcode class must be EXECUTE, and the opcode must |
| * not be an argument to another opcode. |
| */ |
| if ((WalkState->PassNumber == ACPI_IMODE_LOAD_PASS1) && |
| (Op->Common.Parent->Common.AmlOpcode == AML_SCOPE_OP)) |
| { |
| OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
| if ((OpInfo->Class == AML_CLASS_EXECUTE) && |
| (!Arg)) |
| { |
| ACPI_WARNING ((AE_INFO, |
| "Detected an unsupported executable opcode " |
| "at module-level: [0x%.4X] at table offset 0x%.4X", |
| Op->Common.AmlOpcode, |
| (UINT32) (ACPI_PTR_DIFF (AmlOpStart, |
| WalkState->ParserState.AmlStart) + |
| sizeof (ACPI_TABLE_HEADER)))); |
| } |
| } |
| break; |
| } |
| } |
| /* Special processing for certain opcodes */ |
| switch (Op->Common.AmlOpcode) |
| { |
| case AML_METHOD_OP: |
| /* |
| * Skip parsing of control method because we don't have enough |
| * info in the first pass to parse it correctly. |
| * |
| * Save the length and address of the body |
| */ |
| Op->Named.Data = WalkState->ParserState.Aml; |
| Op->Named.Length = (UINT32) |
| (WalkState->ParserState.PkgEnd - WalkState->ParserState.Aml); |
| /* Skip body of method */ |
| WalkState->ParserState.Aml = WalkState->ParserState.PkgEnd; |
| WalkState->ArgCount = 0; |
| break; |
| case AML_BUFFER_OP: |
| case AML_PACKAGE_OP: |
| case AML_VAR_PACKAGE_OP: |
| if ((Op->Common.Parent) && |
| (Op->Common.Parent->Common.AmlOpcode == AML_NAME_OP) && |
| (WalkState->PassNumber <= ACPI_IMODE_LOAD_PASS2)) |
| { |
| /* |
| * Skip parsing of Buffers and Packages because we don't have |
| * enough info in the first pass to parse them correctly. |
| */ |
| Op->Named.Data = AmlOpStart; |
| Op->Named.Length = (UINT32) |
| (WalkState->ParserState.PkgEnd - AmlOpStart); |
| /* Skip body */ |
| WalkState->ParserState.Aml = WalkState->ParserState.PkgEnd; |
| WalkState->ArgCount = 0; |
| } |
| break; |
| case AML_WHILE_OP: |
| if (WalkState->ControlState) |
| { |
| WalkState->ControlState->Control.PackageEnd = |
| WalkState->ParserState.PkgEnd; |
| } |
| break; |
| default: |
| /* No action for all other opcodes */ |
| break; |
| } |
| break; |
| } |
| return_ACPI_STATUS (AE_OK); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsLinkModuleCode |
| * |
| * PARAMETERS: ParentOp - Parent parser op |
| * AmlStart - Pointer to the AML |
| * AmlLength - Length of executable AML |
| * OwnerId - OwnerId of module level code |
| * |
| * RETURN: None. |
| * |
| * DESCRIPTION: Wrap the module-level code with a method object and link the |
| * object to the global list. Note, the mutex field of the method |
| * object is used to link multiple module-level code objects. |
| * |
| ******************************************************************************/ |
| static void |
| AcpiPsLinkModuleCode ( |
| ACPI_PARSE_OBJECT *ParentOp, |
| UINT8 *AmlStart, |
| UINT32 AmlLength, |
| ACPI_OWNER_ID OwnerId) |
| { |
| ACPI_OPERAND_OBJECT *Prev; |
| ACPI_OPERAND_OBJECT *Next; |
| ACPI_OPERAND_OBJECT *MethodObj; |
| ACPI_NAMESPACE_NODE *ParentNode; |
| /* Get the tail of the list */ |
| Prev = Next = AcpiGbl_ModuleCodeList; |
| while (Next) |
| { |
| Prev = Next; |
| Next = Next->Method.Mutex; |
| } |
| /* |
| * Insert the module level code into the list. Merge it if it is |
| * adjacent to the previous element. |
| */ |
| if (!Prev || |
| ((Prev->Method.AmlStart + Prev->Method.AmlLength) != AmlStart)) |
| { |
| /* Create, initialize, and link a new temporary method object */ |
| MethodObj = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD); |
| if (!MethodObj) |
| { |
| return; |
| } |
| if (ParentOp->Common.Node) |
| { |
| ParentNode = ParentOp->Common.Node; |
| } |
| else |
| { |
| ParentNode = AcpiGbl_RootNode; |
| } |
| MethodObj->Method.AmlStart = AmlStart; |
| MethodObj->Method.AmlLength = AmlLength; |
| MethodObj->Method.OwnerId = OwnerId; |
| MethodObj->Method.Flags |= AOPOBJ_MODULE_LEVEL; |
| /* |
| * Save the parent node in NextObject. This is cheating, but we |
| * don't want to expand the method object. |
| */ |
| MethodObj->Method.NextObject = |
| ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, ParentNode); |
| if (!Prev) |
| { |
| AcpiGbl_ModuleCodeList = MethodObj; |
| } |
| else |
| { |
| Prev->Method.Mutex = MethodObj; |
| } |
| } |
| else |
| { |
| Prev->Method.AmlLength += AmlLength; |
| } |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsCompleteOp |
| * |
| * PARAMETERS: WalkState - Current state |
| * Op - Returned Op |
| * Status - Parse status before complete Op |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Complete Op |
| * |
| ******************************************************************************/ |
| static ACPI_STATUS |
| AcpiPsCompleteOp ( |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_OBJECT **Op, |
| ACPI_STATUS Status) |
| { |
| ACPI_STATUS Status2; |
| ACPI_FUNCTION_TRACE_PTR (PsCompleteOp, WalkState); |
| /* |
| * Finished one argument of the containing scope |
| */ |
| WalkState->ParserState.Scope->ParseScope.ArgCount--; |
| /* Close this Op (will result in parse subtree deletion) */ |
| Status2 = AcpiPsCompleteThisOp (WalkState, *Op); |
| if (ACPI_FAILURE (Status2)) |
| { |
| return_ACPI_STATUS (Status2); |
| } |
| *Op = NULL; |
| switch (Status) |
| { |
| case AE_OK: |
| break; |
| case AE_CTRL_TRANSFER: |
| /* We are about to transfer to a called method */ |
| WalkState->PrevOp = NULL; |
| WalkState->PrevArgTypes = WalkState->ArgTypes; |
| return_ACPI_STATUS (Status); |
| case AE_CTRL_END: |
| AcpiPsPopScope (&(WalkState->ParserState), Op, |
| &WalkState->ArgTypes, &WalkState->ArgCount); |
| if (*Op) |
| { |
| WalkState->Op = *Op; |
| WalkState->OpInfo = AcpiPsGetOpcodeInfo ((*Op)->Common.AmlOpcode); |
| WalkState->Opcode = (*Op)->Common.AmlOpcode; |
| Status = WalkState->AscendingCallback (WalkState); |
| Status = AcpiPsNextParseState (WalkState, *Op, Status); |
| Status2 = AcpiPsCompleteThisOp (WalkState, *Op); |
| if (ACPI_FAILURE (Status2)) |
| { |
| return_ACPI_STATUS (Status2); |
| } |
| } |
| Status = AE_OK; |
| break; |
| case AE_CTRL_BREAK: |
| case AE_CTRL_CONTINUE: |
| /* Pop off scopes until we find the While */ |
| while (!(*Op) || ((*Op)->Common.AmlOpcode != AML_WHILE_OP)) |
| { |
| AcpiPsPopScope (&(WalkState->ParserState), Op, |
| &WalkState->ArgTypes, &WalkState->ArgCount); |
| } |
| /* Close this iteration of the While loop */ |
| WalkState->Op = *Op; |
| WalkState->OpInfo = AcpiPsGetOpcodeInfo ((*Op)->Common.AmlOpcode); |
| WalkState->Opcode = (*Op)->Common.AmlOpcode; |
| Status = WalkState->AscendingCallback (WalkState); |
| Status = AcpiPsNextParseState (WalkState, *Op, Status); |
| Status2 = AcpiPsCompleteThisOp (WalkState, *Op); |
| if (ACPI_FAILURE (Status2)) |
| { |
| return_ACPI_STATUS (Status2); |
| } |
| Status = AE_OK; |
| break; |
| case AE_CTRL_TERMINATE: |
| /* Clean up */ |
| do |
| { |
| if (*Op) |
| { |
| Status2 = AcpiPsCompleteThisOp (WalkState, *Op); |
| if (ACPI_FAILURE (Status2)) |
| { |
| return_ACPI_STATUS (Status2); |
| } |
| AcpiUtDeleteGenericState ( |
| AcpiUtPopGenericState (&WalkState->ControlState)); |
| } |
| AcpiPsPopScope (&(WalkState->ParserState), Op, |
| &WalkState->ArgTypes, &WalkState->ArgCount); |
| } while (*Op); |
| return_ACPI_STATUS (AE_OK); |
| default: /* All other non-AE_OK status */ |
| do |
| { |
| if (*Op) |
| { |
| Status2 = AcpiPsCompleteThisOp (WalkState, *Op); |
| if (ACPI_FAILURE (Status2)) |
| { |
| return_ACPI_STATUS (Status2); |
| } |
| } |
| AcpiPsPopScope (&(WalkState->ParserState), Op, |
| &WalkState->ArgTypes, &WalkState->ArgCount); |
| } while (*Op); |
| #if 0 |
| /* |
| * TBD: Cleanup parse ops on error |
| */ |
| if (*Op == NULL) |
| { |
| AcpiPsPopScope (ParserState, Op, |
| &WalkState->ArgTypes, &WalkState->ArgCount); |
| } |
| #endif |
| WalkState->PrevOp = NULL; |
| WalkState->PrevArgTypes = WalkState->ArgTypes; |
| return_ACPI_STATUS (Status); |
| } |
| /* This scope complete? */ |
| if (AcpiPsHasCompletedScope (&(WalkState->ParserState))) |
| { |
| AcpiPsPopScope (&(WalkState->ParserState), Op, |
| &WalkState->ArgTypes, &WalkState->ArgCount); |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", *Op)); |
| } |
| else |
| { |
| *Op = NULL; |
| } |
| return_ACPI_STATUS (AE_OK); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsCompleteFinalOp |
| * |
| * PARAMETERS: WalkState - Current state |
| * Op - Current Op |
| * Status - Current parse status before complete last |
| * Op |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Complete last Op. |
| * |
| ******************************************************************************/ |
| static ACPI_STATUS |
| AcpiPsCompleteFinalOp ( |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_OBJECT *Op, |
| ACPI_STATUS Status) |
| { |
| ACPI_STATUS Status2; |
| ACPI_FUNCTION_TRACE_PTR (PsCompleteFinalOp, WalkState); |
| /* |
| * Complete the last Op (if not completed), and clear the scope stack. |
| * It is easily possible to end an AML "package" with an unbounded number |
| * of open scopes (such as when several ASL blocks are closed with |
| * sequential closing braces). We want to terminate each one cleanly. |
| */ |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", Op)); |
| do |
| { |
| if (Op) |
| { |
| if (WalkState->AscendingCallback != NULL) |
| { |
| WalkState->Op = Op; |
| WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
| WalkState->Opcode = Op->Common.AmlOpcode; |
| Status = WalkState->AscendingCallback (WalkState); |
| Status = AcpiPsNextParseState (WalkState, Op, Status); |
| if (Status == AE_CTRL_PENDING) |
| { |
| Status = AcpiPsCompleteOp (WalkState, &Op, AE_OK); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| } |
| if (Status == AE_CTRL_TERMINATE) |
| { |
| Status = AE_OK; |
| /* Clean up */ |
| do |
| { |
| if (Op) |
| { |
| Status2 = AcpiPsCompleteThisOp (WalkState, Op); |
| if (ACPI_FAILURE (Status2)) |
| { |
| return_ACPI_STATUS (Status2); |
| } |
| } |
| AcpiPsPopScope (&(WalkState->ParserState), &Op, |
| &WalkState->ArgTypes, &WalkState->ArgCount); |
| } while (Op); |
| return_ACPI_STATUS (Status); |
| } |
| else if (ACPI_FAILURE (Status)) |
| { |
| /* First error is most important */ |
| (void) AcpiPsCompleteThisOp (WalkState, Op); |
| return_ACPI_STATUS (Status); |
| } |
| } |
| Status2 = AcpiPsCompleteThisOp (WalkState, Op); |
| if (ACPI_FAILURE (Status2)) |
| { |
| return_ACPI_STATUS (Status2); |
| } |
| } |
| AcpiPsPopScope (&(WalkState->ParserState), &Op, &WalkState->ArgTypes, |
| &WalkState->ArgCount); |
| } while (Op); |
| return_ACPI_STATUS (Status); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsParseLoop |
| * |
| * PARAMETERS: WalkState - Current state |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Parse AML (pointed to by the current parser state) and return |
| * a tree of ops. |
| * |
| ******************************************************************************/ |
| ACPI_STATUS |
| AcpiPsParseLoop ( |
| ACPI_WALK_STATE *WalkState) |
| { |
| ACPI_STATUS Status = AE_OK; |
| ACPI_PARSE_OBJECT *Op = NULL; /* current op */ |
| ACPI_PARSE_STATE *ParserState; |
| UINT8 *AmlOpStart = NULL; |
| ACPI_FUNCTION_TRACE_PTR (PsParseLoop, WalkState); |
| if (WalkState->DescendingCallback == NULL) |
| { |
| return_ACPI_STATUS (AE_BAD_PARAMETER); |
| } |
| ParserState = &WalkState->ParserState; |
| WalkState->ArgTypes = 0; |
| #if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY)) |
| if (WalkState->WalkType & ACPI_WALK_METHOD_RESTART) |
| { |
| /* We are restarting a preempted control method */ |
| if (AcpiPsHasCompletedScope (ParserState)) |
| { |
| /* |
| * We must check if a predicate to an IF or WHILE statement |
| * was just completed |
| */ |
| if ((ParserState->Scope->ParseScope.Op) && |
| ((ParserState->Scope->ParseScope.Op->Common.AmlOpcode == AML_IF_OP) || |
| (ParserState->Scope->ParseScope.Op->Common.AmlOpcode == AML_WHILE_OP)) && |
| (WalkState->ControlState) && |
| (WalkState->ControlState->Common.State == |
| ACPI_CONTROL_PREDICATE_EXECUTING)) |
| { |
| /* |
| * A predicate was just completed, get the value of the |
| * predicate and branch based on that value |
| */ |
| WalkState->Op = NULL; |
| Status = AcpiDsGetPredicateValue (WalkState, ACPI_TO_POINTER (TRUE)); |
| if (ACPI_FAILURE (Status) && |
| ((Status & AE_CODE_MASK) != AE_CODE_CONTROL)) |
| { |
| if (Status == AE_AML_NO_RETURN_VALUE) |
| { |
| ACPI_EXCEPTION ((AE_INFO, Status, |
| "Invoked method did not return a value")); |
| } |
| ACPI_EXCEPTION ((AE_INFO, Status, "GetPredicate Failed")); |
| return_ACPI_STATUS (Status); |
| } |
| Status = AcpiPsNextParseState (WalkState, Op, Status); |
| } |
| AcpiPsPopScope (ParserState, &Op, |
| &WalkState->ArgTypes, &WalkState->ArgCount); |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", Op)); |
| } |
| else if (WalkState->PrevOp) |
| { |
| /* We were in the middle of an op */ |
| Op = WalkState->PrevOp; |
| WalkState->ArgTypes = WalkState->PrevArgTypes; |
| } |
| } |
| #endif |
| /* Iterative parsing loop, while there is more AML to process: */ |
| while ((ParserState->Aml < ParserState->AmlEnd) || (Op)) |
| { |
| AmlOpStart = ParserState->Aml; |
| if (!Op) |
| { |
| Status = AcpiPsCreateOp (WalkState, AmlOpStart, &Op); |
| if (ACPI_FAILURE (Status)) |
| { |
| if (Status == AE_CTRL_PARSE_CONTINUE) |
| { |
| continue; |
| } |
| if (Status == AE_CTRL_PARSE_PENDING) |
| { |
| Status = AE_OK; |
| } |
| Status = AcpiPsCompleteOp (WalkState, &Op, Status); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| continue; |
| } |
| Op->Common.AmlOffset = WalkState->AmlOffset; |
| if (WalkState->OpInfo) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, |
| "Opcode %4.4X [%s] Op %p Aml %p AmlOffset %5.5X\n", |
| (UINT32) Op->Common.AmlOpcode, WalkState->OpInfo->Name, |
| Op, ParserState->Aml, Op->Common.AmlOffset)); |
| } |
| } |
| /* |
| * Start ArgCount at zero because we don't know if there are |
| * any args yet |
| */ |
| WalkState->ArgCount = 0; |
| /* Are there any arguments that must be processed? */ |
| if (WalkState->ArgTypes) |
| { |
| /* Get arguments */ |
| Status = AcpiPsGetArguments (WalkState, AmlOpStart, Op); |
| if (ACPI_FAILURE (Status)) |
| { |
| Status = AcpiPsCompleteOp (WalkState, &Op, Status); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| continue; |
| } |
| } |
| /* Check for arguments that need to be processed */ |
| if (WalkState->ArgCount) |
| { |
| /* |
| * There are arguments (complex ones), push Op and |
| * prepare for argument |
| */ |
| Status = AcpiPsPushScope (ParserState, Op, |
| WalkState->ArgTypes, WalkState->ArgCount); |
| if (ACPI_FAILURE (Status)) |
| { |
| Status = AcpiPsCompleteOp (WalkState, &Op, Status); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| continue; |
| } |
| Op = NULL; |
| continue; |
| } |
| /* |
| * All arguments have been processed -- Op is complete, |
| * prepare for next |
| */ |
| WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
| if (WalkState->OpInfo->Flags & AML_NAMED) |
| { |
| if (AcpiGbl_Depth) |
| { |
| AcpiGbl_Depth--; |
| } |
| if (Op->Common.AmlOpcode == AML_REGION_OP || |
| Op->Common.AmlOpcode == AML_DATA_REGION_OP) |
| { |
| /* |
| * Skip parsing of control method or opregion body, |
| * because we don't have enough info in the first pass |
| * to parse them correctly. |
| * |
| * Completed parsing an OpRegion declaration, we now |
| * know the length. |
| */ |
| Op->Named.Length = (UINT32) (ParserState->Aml - Op->Named.Data); |
| } |
| } |
| if (WalkState->OpInfo->Flags & AML_CREATE) |
| { |
| /* |
| * Backup to beginning of CreateXXXfield declaration (1 for |
| * Opcode) |
| * |
| * BodyLength is unknown until we parse the body |
| */ |
| Op->Named.Length = (UINT32) (ParserState->Aml - Op->Named.Data); |
| } |
| if (Op->Common.AmlOpcode == AML_BANK_FIELD_OP) |
| { |
| /* |
| * Backup to beginning of BankField declaration |
| * |
| * BodyLength is unknown until we parse the body |
| */ |
| Op->Named.Length = (UINT32) (ParserState->Aml - Op->Named.Data); |
| } |
| /* This op complete, notify the dispatcher */ |
| if (WalkState->AscendingCallback != NULL) |
| { |
| WalkState->Op = Op; |
| WalkState->Opcode = Op->Common.AmlOpcode; |
| Status = WalkState->AscendingCallback (WalkState); |
| Status = AcpiPsNextParseState (WalkState, Op, Status); |
| if (Status == AE_CTRL_PENDING) |
| { |
| Status = AE_OK; |
| } |
| } |
| Status = AcpiPsCompleteOp (WalkState, &Op, Status); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| } /* while ParserState->Aml */ |
| Status = AcpiPsCompleteFinalOp (WalkState, Op, Status); |
| return_ACPI_STATUS (Status); |
| } |
| /drivers/devman/acpica/parser/psopcode.c |
|---|
| 0,0 → 1,589 |
| /****************************************************************************** |
| * |
| * Module Name: psopcode - Parser/Interpreter opcode information table |
| * |
| *****************************************************************************/ |
| /****************************************************************************** |
| * |
| * 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 "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #include "acopcode.h" |
| #include "amlcode.h" |
| #define _COMPONENT ACPI_PARSER |
| ACPI_MODULE_NAME ("psopcode") |
| static const UINT8 AcpiGbl_ArgumentCount[] = {0,1,1,1,1,2,2,2,2,3,3,6}; |
| /******************************************************************************* |
| * |
| * NAME: AcpiGbl_AmlOpInfo |
| * |
| * DESCRIPTION: Opcode table. Each entry contains <opcode, type, name, operands> |
| * The name is a simple ascii string, the operand specifier is an |
| * ascii string with one letter per operand. The letter specifies |
| * the operand type. |
| * |
| ******************************************************************************/ |
| /* |
| * Summary of opcode types/flags |
| * |
| Opcodes that have associated namespace objects (AML_NSOBJECT flag) |
| AML_SCOPE_OP |
| AML_DEVICE_OP |
| AML_THERMAL_ZONE_OP |
| AML_METHOD_OP |
| AML_POWER_RES_OP |
| AML_PROCESSOR_OP |
| AML_FIELD_OP |
| AML_INDEX_FIELD_OP |
| AML_BANK_FIELD_OP |
| AML_NAME_OP |
| AML_ALIAS_OP |
| AML_MUTEX_OP |
| AML_EVENT_OP |
| AML_REGION_OP |
| AML_CREATE_FIELD_OP |
| AML_CREATE_BIT_FIELD_OP |
| AML_CREATE_BYTE_FIELD_OP |
| AML_CREATE_WORD_FIELD_OP |
| AML_CREATE_DWORD_FIELD_OP |
| AML_CREATE_QWORD_FIELD_OP |
| AML_INT_NAMEDFIELD_OP |
| AML_INT_METHODCALL_OP |
| AML_INT_NAMEPATH_OP |
| Opcodes that are "namespace" opcodes (AML_NSOPCODE flag) |
| AML_SCOPE_OP |
| AML_DEVICE_OP |
| AML_THERMAL_ZONE_OP |
| AML_METHOD_OP |
| AML_POWER_RES_OP |
| AML_PROCESSOR_OP |
| AML_FIELD_OP |
| AML_INDEX_FIELD_OP |
| AML_BANK_FIELD_OP |
| AML_NAME_OP |
| AML_ALIAS_OP |
| AML_MUTEX_OP |
| AML_EVENT_OP |
| AML_REGION_OP |
| AML_INT_NAMEDFIELD_OP |
| Opcodes that have an associated namespace node (AML_NSNODE flag) |
| AML_SCOPE_OP |
| AML_DEVICE_OP |
| AML_THERMAL_ZONE_OP |
| AML_METHOD_OP |
| AML_POWER_RES_OP |
| AML_PROCESSOR_OP |
| AML_NAME_OP |
| AML_ALIAS_OP |
| AML_MUTEX_OP |
| AML_EVENT_OP |
| AML_REGION_OP |
| AML_CREATE_FIELD_OP |
| AML_CREATE_BIT_FIELD_OP |
| AML_CREATE_BYTE_FIELD_OP |
| AML_CREATE_WORD_FIELD_OP |
| AML_CREATE_DWORD_FIELD_OP |
| AML_CREATE_QWORD_FIELD_OP |
| AML_INT_NAMEDFIELD_OP |
| AML_INT_METHODCALL_OP |
| AML_INT_NAMEPATH_OP |
| Opcodes that define named ACPI objects (AML_NAMED flag) |
| AML_SCOPE_OP |
| AML_DEVICE_OP |
| AML_THERMAL_ZONE_OP |
| AML_METHOD_OP |
| AML_POWER_RES_OP |
| AML_PROCESSOR_OP |
| AML_NAME_OP |
| AML_ALIAS_OP |
| AML_MUTEX_OP |
| AML_EVENT_OP |
| AML_REGION_OP |
| AML_INT_NAMEDFIELD_OP |
| Opcodes that contain executable AML as part of the definition that |
| must be deferred until needed |
| AML_METHOD_OP |
| AML_VAR_PACKAGE_OP |
| AML_CREATE_FIELD_OP |
| AML_CREATE_BIT_FIELD_OP |
| AML_CREATE_BYTE_FIELD_OP |
| AML_CREATE_WORD_FIELD_OP |
| AML_CREATE_DWORD_FIELD_OP |
| AML_CREATE_QWORD_FIELD_OP |
| AML_REGION_OP |
| AML_BUFFER_OP |
| Field opcodes |
| AML_CREATE_FIELD_OP |
| AML_FIELD_OP |
| AML_INDEX_FIELD_OP |
| AML_BANK_FIELD_OP |
| Field "Create" opcodes |
| AML_CREATE_FIELD_OP |
| AML_CREATE_BIT_FIELD_OP |
| AML_CREATE_BYTE_FIELD_OP |
| AML_CREATE_WORD_FIELD_OP |
| AML_CREATE_DWORD_FIELD_OP |
| AML_CREATE_QWORD_FIELD_OP |
| ******************************************************************************/ |
| /* |
| * Master Opcode information table. A summary of everything we know about each |
| * opcode, all in one place. |
| */ |
| const ACPI_OPCODE_INFO AcpiGbl_AmlOpInfo[AML_NUM_OPCODES] = |
| { |
| /*! [Begin] no source code translation */ |
| /* Index Name Parser Args Interpreter Args ObjectType Class Type Flags */ |
| /* 00 */ ACPI_OP ("Zero", ARGP_ZERO_OP, ARGI_ZERO_OP, ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT), |
| /* 01 */ ACPI_OP ("One", ARGP_ONE_OP, ARGI_ONE_OP, ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT), |
| /* 02 */ ACPI_OP ("Alias", ARGP_ALIAS_OP, ARGI_ALIAS_OP, ACPI_TYPE_LOCAL_ALIAS, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), |
| /* 03 */ ACPI_OP ("Name", ARGP_NAME_OP, ARGI_NAME_OP, ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), |
| /* 04 */ ACPI_OP ("ByteConst", ARGP_BYTE_OP, ARGI_BYTE_OP, ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, AML_TYPE_LITERAL, AML_CONSTANT), |
| /* 05 */ ACPI_OP ("WordConst", ARGP_WORD_OP, ARGI_WORD_OP, ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, AML_TYPE_LITERAL, AML_CONSTANT), |
| /* 06 */ ACPI_OP ("DwordConst", ARGP_DWORD_OP, ARGI_DWORD_OP, ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, AML_TYPE_LITERAL, AML_CONSTANT), |
| /* 07 */ ACPI_OP ("String", ARGP_STRING_OP, ARGI_STRING_OP, ACPI_TYPE_STRING, AML_CLASS_ARGUMENT, AML_TYPE_LITERAL, AML_CONSTANT), |
| /* 08 */ ACPI_OP ("Scope", ARGP_SCOPE_OP, ARGI_SCOPE_OP, ACPI_TYPE_LOCAL_SCOPE, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_NO_OBJ, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), |
| /* 09 */ ACPI_OP ("Buffer", ARGP_BUFFER_OP, ARGI_BUFFER_OP, ACPI_TYPE_BUFFER, AML_CLASS_CREATE, AML_TYPE_CREATE_OBJECT, AML_HAS_ARGS | AML_DEFER | AML_CONSTANT), |
| /* 0A */ ACPI_OP ("Package", ARGP_PACKAGE_OP, ARGI_PACKAGE_OP, ACPI_TYPE_PACKAGE, AML_CLASS_CREATE, AML_TYPE_CREATE_OBJECT, AML_HAS_ARGS | AML_DEFER | AML_CONSTANT), |
| /* 0B */ ACPI_OP ("Method", ARGP_METHOD_OP, ARGI_METHOD_OP, ACPI_TYPE_METHOD, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED | AML_DEFER), |
| /* 0C */ ACPI_OP ("Local0", ARGP_LOCAL0, ARGI_LOCAL0, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_LOCAL_VARIABLE, 0), |
| /* 0D */ ACPI_OP ("Local1", ARGP_LOCAL1, ARGI_LOCAL1, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_LOCAL_VARIABLE, 0), |
| /* 0E */ ACPI_OP ("Local2", ARGP_LOCAL2, ARGI_LOCAL2, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_LOCAL_VARIABLE, 0), |
| /* 0F */ ACPI_OP ("Local3", ARGP_LOCAL3, ARGI_LOCAL3, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_LOCAL_VARIABLE, 0), |
| /* 10 */ ACPI_OP ("Local4", ARGP_LOCAL4, ARGI_LOCAL4, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_LOCAL_VARIABLE, 0), |
| /* 11 */ ACPI_OP ("Local5", ARGP_LOCAL5, ARGI_LOCAL5, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_LOCAL_VARIABLE, 0), |
| /* 12 */ ACPI_OP ("Local6", ARGP_LOCAL6, ARGI_LOCAL6, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_LOCAL_VARIABLE, 0), |
| /* 13 */ ACPI_OP ("Local7", ARGP_LOCAL7, ARGI_LOCAL7, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_LOCAL_VARIABLE, 0), |
| /* 14 */ ACPI_OP ("Arg0", ARGP_ARG0, ARGI_ARG0, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_METHOD_ARGUMENT, 0), |
| /* 15 */ ACPI_OP ("Arg1", ARGP_ARG1, ARGI_ARG1, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_METHOD_ARGUMENT, 0), |
| /* 16 */ ACPI_OP ("Arg2", ARGP_ARG2, ARGI_ARG2, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_METHOD_ARGUMENT, 0), |
| /* 17 */ ACPI_OP ("Arg3", ARGP_ARG3, ARGI_ARG3, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_METHOD_ARGUMENT, 0), |
| /* 18 */ ACPI_OP ("Arg4", ARGP_ARG4, ARGI_ARG4, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_METHOD_ARGUMENT, 0), |
| /* 19 */ ACPI_OP ("Arg5", ARGP_ARG5, ARGI_ARG5, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_METHOD_ARGUMENT, 0), |
| /* 1A */ ACPI_OP ("Arg6", ARGP_ARG6, ARGI_ARG6, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_METHOD_ARGUMENT, 0), |
| /* 1B */ ACPI_OP ("Store", ARGP_STORE_OP, ARGI_STORE_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R), |
| /* 1C */ ACPI_OP ("RefOf", ARGP_REF_OF_OP, ARGI_REF_OF_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, AML_FLAGS_EXEC_1A_0T_1R), |
| /* 1D */ ACPI_OP ("Add", ARGP_ADD_OP, ARGI_ADD_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), |
| /* 1E */ ACPI_OP ("Concatenate", ARGP_CONCAT_OP, ARGI_CONCAT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), |
| /* 1F */ ACPI_OP ("Subtract", ARGP_SUBTRACT_OP, ARGI_SUBTRACT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), |
| /* 20 */ ACPI_OP ("Increment", ARGP_INCREMENT_OP, ARGI_INCREMENT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT), |
| /* 21 */ ACPI_OP ("Decrement", ARGP_DECREMENT_OP, ARGI_DECREMENT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT), |
| /* 22 */ ACPI_OP ("Multiply", ARGP_MULTIPLY_OP, ARGI_MULTIPLY_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), |
| /* 23 */ ACPI_OP ("Divide", ARGP_DIVIDE_OP, ARGI_DIVIDE_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_2T_1R, AML_FLAGS_EXEC_2A_2T_1R | AML_CONSTANT), |
| /* 24 */ ACPI_OP ("ShiftLeft", ARGP_SHIFT_LEFT_OP, ARGI_SHIFT_LEFT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), |
| /* 25 */ ACPI_OP ("ShiftRight", ARGP_SHIFT_RIGHT_OP, ARGI_SHIFT_RIGHT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), |
| /* 26 */ ACPI_OP ("And", ARGP_BIT_AND_OP, ARGI_BIT_AND_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), |
| /* 27 */ ACPI_OP ("NAnd", ARGP_BIT_NAND_OP, ARGI_BIT_NAND_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), |
| /* 28 */ ACPI_OP ("Or", ARGP_BIT_OR_OP, ARGI_BIT_OR_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), |
| /* 29 */ ACPI_OP ("NOr", ARGP_BIT_NOR_OP, ARGI_BIT_NOR_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), |
| /* 2A */ ACPI_OP ("XOr", ARGP_BIT_XOR_OP, ARGI_BIT_XOR_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), |
| /* 2B */ ACPI_OP ("Not", ARGP_BIT_NOT_OP, ARGI_BIT_NOT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), |
| /* 2C */ ACPI_OP ("FindSetLeftBit", ARGP_FIND_SET_LEFT_BIT_OP, ARGI_FIND_SET_LEFT_BIT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), |
| /* 2D */ ACPI_OP ("FindSetRightBit", ARGP_FIND_SET_RIGHT_BIT_OP,ARGI_FIND_SET_RIGHT_BIT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), |
| /* 2E */ ACPI_OP ("DerefOf", ARGP_DEREF_OF_OP, ARGI_DEREF_OF_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, AML_FLAGS_EXEC_1A_0T_1R), |
| /* 2F */ ACPI_OP ("Notify", ARGP_NOTIFY_OP, ARGI_NOTIFY_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_0R, AML_FLAGS_EXEC_2A_0T_0R), |
| /* 30 */ ACPI_OP ("SizeOf", ARGP_SIZE_OF_OP, ARGI_SIZE_OF_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, AML_FLAGS_EXEC_1A_0T_1R | AML_NO_OPERAND_RESOLVE), |
| /* 31 */ ACPI_OP ("Index", ARGP_INDEX_OP, ARGI_INDEX_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R), |
| /* 32 */ ACPI_OP ("Match", ARGP_MATCH_OP, ARGI_MATCH_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_6A_0T_1R, AML_FLAGS_EXEC_6A_0T_1R | AML_CONSTANT), |
| /* 33 */ ACPI_OP ("CreateDWordField", ARGP_CREATE_DWORD_FIELD_OP,ARGI_CREATE_DWORD_FIELD_OP, ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, AML_TYPE_CREATE_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE), |
| /* 34 */ ACPI_OP ("CreateWordField", ARGP_CREATE_WORD_FIELD_OP, ARGI_CREATE_WORD_FIELD_OP, ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, AML_TYPE_CREATE_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE), |
| /* 35 */ ACPI_OP ("CreateByteField", ARGP_CREATE_BYTE_FIELD_OP, ARGI_CREATE_BYTE_FIELD_OP, ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, AML_TYPE_CREATE_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE), |
| /* 36 */ ACPI_OP ("CreateBitField", ARGP_CREATE_BIT_FIELD_OP, ARGI_CREATE_BIT_FIELD_OP, ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, AML_TYPE_CREATE_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE), |
| /* 37 */ ACPI_OP ("ObjectType", ARGP_TYPE_OP, ARGI_TYPE_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, AML_FLAGS_EXEC_1A_0T_1R | AML_NO_OPERAND_RESOLVE), |
| /* 38 */ ACPI_OP ("LAnd", ARGP_LAND_OP, ARGI_LAND_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | AML_CONSTANT), |
| /* 39 */ ACPI_OP ("LOr", ARGP_LOR_OP, ARGI_LOR_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | AML_CONSTANT), |
| /* 3A */ ACPI_OP ("LNot", ARGP_LNOT_OP, ARGI_LNOT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT), |
| /* 3B */ ACPI_OP ("LEqual", ARGP_LEQUAL_OP, ARGI_LEQUAL_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT), |
| /* 3C */ ACPI_OP ("LGreater", ARGP_LGREATER_OP, ARGI_LGREATER_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT), |
| /* 3D */ ACPI_OP ("LLess", ARGP_LLESS_OP, ARGI_LLESS_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT), |
| /* 3E */ ACPI_OP ("If", ARGP_IF_OP, ARGI_IF_OP, ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS), |
| /* 3F */ ACPI_OP ("Else", ARGP_ELSE_OP, ARGI_ELSE_OP, ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS), |
| /* 40 */ ACPI_OP ("While", ARGP_WHILE_OP, ARGI_WHILE_OP, ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS), |
| /* 41 */ ACPI_OP ("Noop", ARGP_NOOP_OP, ARGI_NOOP_OP, ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), |
| /* 42 */ ACPI_OP ("Return", ARGP_RETURN_OP, ARGI_RETURN_OP, ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS), |
| /* 43 */ ACPI_OP ("Break", ARGP_BREAK_OP, ARGI_BREAK_OP, ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), |
| /* 44 */ ACPI_OP ("BreakPoint", ARGP_BREAK_POINT_OP, ARGI_BREAK_POINT_OP, ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), |
| /* 45 */ ACPI_OP ("Ones", ARGP_ONES_OP, ARGI_ONES_OP, ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT), |
| /* Prefixed opcodes (Two-byte opcodes with a prefix op) */ |
| /* 46 */ ACPI_OP ("Mutex", ARGP_MUTEX_OP, ARGI_MUTEX_OP, ACPI_TYPE_MUTEX, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), |
| /* 47 */ ACPI_OP ("Event", ARGP_EVENT_OP, ARGI_EVENT_OP, ACPI_TYPE_EVENT, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE, AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED ), |
| /* 48 */ ACPI_OP ("CondRefOf", ARGP_COND_REF_OF_OP, ARGI_COND_REF_OF_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R), |
| /* 49 */ ACPI_OP ("CreateField", ARGP_CREATE_FIELD_OP, ARGI_CREATE_FIELD_OP, ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, AML_TYPE_CREATE_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_FIELD | AML_CREATE), |
| /* 4A */ ACPI_OP ("Load", ARGP_LOAD_OP, ARGI_LOAD_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_0R, AML_FLAGS_EXEC_1A_1T_0R), |
| /* 4B */ ACPI_OP ("Stall", ARGP_STALL_OP, ARGI_STALL_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), |
| /* 4C */ ACPI_OP ("Sleep", ARGP_SLEEP_OP, ARGI_SLEEP_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), |
| /* 4D */ ACPI_OP ("Acquire", ARGP_ACQUIRE_OP, ARGI_ACQUIRE_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, AML_FLAGS_EXEC_2A_0T_1R), |
| /* 4E */ ACPI_OP ("Signal", ARGP_SIGNAL_OP, ARGI_SIGNAL_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), |
| /* 4F */ ACPI_OP ("Wait", ARGP_WAIT_OP, ARGI_WAIT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, AML_FLAGS_EXEC_2A_0T_1R), |
| /* 50 */ ACPI_OP ("Reset", ARGP_RESET_OP, ARGI_RESET_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), |
| /* 51 */ ACPI_OP ("Release", ARGP_RELEASE_OP, ARGI_RELEASE_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), |
| /* 52 */ ACPI_OP ("FromBCD", ARGP_FROM_BCD_OP, ARGI_FROM_BCD_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), |
| /* 53 */ ACPI_OP ("ToBCD", ARGP_TO_BCD_OP, ARGI_TO_BCD_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), |
| /* 54 */ ACPI_OP ("Unload", ARGP_UNLOAD_OP, ARGI_UNLOAD_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), |
| /* 55 */ ACPI_OP ("Revision", ARGP_REVISION_OP, ARGI_REVISION_OP, ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, 0), |
| /* 56 */ ACPI_OP ("Debug", ARGP_DEBUG_OP, ARGI_DEBUG_OP, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, 0), |
| /* 57 */ ACPI_OP ("Fatal", ARGP_FATAL_OP, ARGI_FATAL_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_3A_0T_0R, AML_FLAGS_EXEC_3A_0T_0R), |
| /* 58 */ ACPI_OP ("OperationRegion", ARGP_REGION_OP, ARGI_REGION_OP, ACPI_TYPE_REGION, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED | AML_DEFER), |
| /* 59 */ ACPI_OP ("Field", ARGP_FIELD_OP, ARGI_FIELD_OP, ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD), |
| /* 5A */ ACPI_OP ("Device", ARGP_DEVICE_OP, ARGI_DEVICE_OP, ACPI_TYPE_DEVICE, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_NO_OBJ, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), |
| /* 5B */ ACPI_OP ("Processor", ARGP_PROCESSOR_OP, ARGI_PROCESSOR_OP, ACPI_TYPE_PROCESSOR, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), |
| /* 5C */ ACPI_OP ("PowerResource", ARGP_POWER_RES_OP, ARGI_POWER_RES_OP, ACPI_TYPE_POWER, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), |
| /* 5D */ ACPI_OP ("ThermalZone", ARGP_THERMAL_ZONE_OP, ARGI_THERMAL_ZONE_OP, ACPI_TYPE_THERMAL, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_NO_OBJ, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), |
| /* 5E */ ACPI_OP ("IndexField", ARGP_INDEX_FIELD_OP, ARGI_INDEX_FIELD_OP, ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD), |
| /* 5F */ ACPI_OP ("BankField", ARGP_BANK_FIELD_OP, ARGI_BANK_FIELD_OP, ACPI_TYPE_LOCAL_BANK_FIELD, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD | AML_DEFER), |
| /* Internal opcodes that map to invalid AML opcodes */ |
| /* 60 */ ACPI_OP ("LNotEqual", ARGP_LNOTEQUAL_OP, ARGI_LNOTEQUAL_OP, ACPI_TYPE_ANY, AML_CLASS_INTERNAL, AML_TYPE_BOGUS, AML_HAS_ARGS | AML_CONSTANT), |
| /* 61 */ ACPI_OP ("LLessEqual", ARGP_LLESSEQUAL_OP, ARGI_LLESSEQUAL_OP, ACPI_TYPE_ANY, AML_CLASS_INTERNAL, AML_TYPE_BOGUS, AML_HAS_ARGS | AML_CONSTANT), |
| /* 62 */ ACPI_OP ("LGreaterEqual", ARGP_LGREATEREQUAL_OP, ARGI_LGREATEREQUAL_OP, ACPI_TYPE_ANY, AML_CLASS_INTERNAL, AML_TYPE_BOGUS, AML_HAS_ARGS | AML_CONSTANT), |
| /* 63 */ ACPI_OP ("-NamePath-", ARGP_NAMEPATH_OP, ARGI_NAMEPATH_OP, ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, AML_TYPE_LITERAL, AML_NSOBJECT | AML_NSNODE ), |
| /* 64 */ ACPI_OP ("-MethodCall-", ARGP_METHODCALL_OP, ARGI_METHODCALL_OP, ACPI_TYPE_METHOD, AML_CLASS_METHOD_CALL, AML_TYPE_METHOD_CALL, AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE), |
| /* 65 */ ACPI_OP ("-ByteList-", ARGP_BYTELIST_OP, ARGI_BYTELIST_OP, ACPI_TYPE_ANY, AML_CLASS_ARGUMENT, AML_TYPE_LITERAL, 0), |
| /* 66 */ ACPI_OP ("-ReservedField-", ARGP_RESERVEDFIELD_OP, ARGI_RESERVEDFIELD_OP, ACPI_TYPE_ANY, AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0), |
| /* 67 */ ACPI_OP ("-NamedField-", ARGP_NAMEDFIELD_OP, ARGI_NAMEDFIELD_OP, ACPI_TYPE_ANY, AML_CLASS_INTERNAL, AML_TYPE_BOGUS, AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED ), |
| /* 68 */ ACPI_OP ("-AccessField-", ARGP_ACCESSFIELD_OP, ARGI_ACCESSFIELD_OP, ACPI_TYPE_ANY, AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0), |
| /* 69 */ ACPI_OP ("-StaticString", ARGP_STATICSTRING_OP, ARGI_STATICSTRING_OP, ACPI_TYPE_ANY, AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0), |
| /* 6A */ ACPI_OP ("-Return Value-", ARG_NONE, ARG_NONE, ACPI_TYPE_ANY, AML_CLASS_RETURN_VALUE, AML_TYPE_RETURN, AML_HAS_ARGS | AML_HAS_RETVAL), |
| /* 6B */ ACPI_OP ("-UNKNOWN_OP-", ARG_NONE, ARG_NONE, ACPI_TYPE_INVALID, AML_CLASS_UNKNOWN, AML_TYPE_BOGUS, AML_HAS_ARGS), |
| /* 6C */ ACPI_OP ("-ASCII_ONLY-", ARG_NONE, ARG_NONE, ACPI_TYPE_ANY, AML_CLASS_ASCII, AML_TYPE_BOGUS, AML_HAS_ARGS), |
| /* 6D */ ACPI_OP ("-PREFIX_ONLY-", ARG_NONE, ARG_NONE, ACPI_TYPE_ANY, AML_CLASS_PREFIX, AML_TYPE_BOGUS, AML_HAS_ARGS), |
| /* ACPI 2.0 opcodes */ |
| /* 6E */ ACPI_OP ("QwordConst", ARGP_QWORD_OP, ARGI_QWORD_OP, ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, AML_TYPE_LITERAL, AML_CONSTANT), |
| /* 6F */ ACPI_OP ("Package", /* Var */ ARGP_VAR_PACKAGE_OP, ARGI_VAR_PACKAGE_OP, ACPI_TYPE_PACKAGE, AML_CLASS_CREATE, AML_TYPE_CREATE_OBJECT, AML_HAS_ARGS | AML_DEFER), |
| /* 70 */ ACPI_OP ("ConcatenateResTemplate", ARGP_CONCAT_RES_OP, ARGI_CONCAT_RES_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), |
| /* 71 */ ACPI_OP ("Mod", ARGP_MOD_OP, ARGI_MOD_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), |
| /* 72 */ ACPI_OP ("CreateQWordField", ARGP_CREATE_QWORD_FIELD_OP,ARGI_CREATE_QWORD_FIELD_OP, ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, AML_TYPE_CREATE_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE), |
| /* 73 */ ACPI_OP ("ToBuffer", ARGP_TO_BUFFER_OP, ARGI_TO_BUFFER_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), |
| /* 74 */ ACPI_OP ("ToDecimalString", ARGP_TO_DEC_STR_OP, ARGI_TO_DEC_STR_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), |
| /* 75 */ ACPI_OP ("ToHexString", ARGP_TO_HEX_STR_OP, ARGI_TO_HEX_STR_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), |
| /* 76 */ ACPI_OP ("ToInteger", ARGP_TO_INTEGER_OP, ARGI_TO_INTEGER_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), |
| /* 77 */ ACPI_OP ("ToString", ARGP_TO_STRING_OP, ARGI_TO_STRING_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), |
| /* 78 */ ACPI_OP ("CopyObject", ARGP_COPY_OP, ARGI_COPY_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R), |
| /* 79 */ ACPI_OP ("Mid", ARGP_MID_OP, ARGI_MID_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_3A_1T_1R, AML_FLAGS_EXEC_3A_1T_1R | AML_CONSTANT), |
| /* 7A */ ACPI_OP ("Continue", ARGP_CONTINUE_OP, ARGI_CONTINUE_OP, ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), |
| /* 7B */ ACPI_OP ("LoadTable", ARGP_LOAD_TABLE_OP, ARGI_LOAD_TABLE_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_6A_0T_1R, AML_FLAGS_EXEC_6A_0T_1R), |
| /* 7C */ ACPI_OP ("DataTableRegion", ARGP_DATA_REGION_OP, ARGI_DATA_REGION_OP, ACPI_TYPE_REGION, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED | AML_DEFER), |
| /* 7D */ ACPI_OP ("[EvalSubTree]", ARGP_SCOPE_OP, ARGI_SCOPE_OP, ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_NO_OBJ, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE), |
| /* ACPI 3.0 opcodes */ |
| /* 7E */ ACPI_OP ("Timer", ARGP_TIMER_OP, ARGI_TIMER_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_0A_0T_1R, AML_FLAGS_EXEC_0A_0T_1R) |
| /*! [End] no source code translation !*/ |
| }; |
| /* |
| * This table is directly indexed by the opcodes, and returns an |
| * index into the table above |
| */ |
| static const UINT8 AcpiGbl_ShortOpIndex[256] = |
| { |
| /* 0 1 2 3 4 5 6 7 */ |
| /* 8 9 A B C D E F */ |
| /* 0x00 */ 0x00, 0x01, _UNK, _UNK, _UNK, _UNK, 0x02, _UNK, |
| /* 0x08 */ 0x03, _UNK, 0x04, 0x05, 0x06, 0x07, 0x6E, _UNK, |
| /* 0x10 */ 0x08, 0x09, 0x0a, 0x6F, 0x0b, _UNK, _UNK, _UNK, |
| /* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x20 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x28 */ _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX, |
| /* 0x30 */ 0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, 0x7D, |
| /* 0x38 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x40 */ _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, |
| /* 0x48 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, |
| /* 0x50 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, |
| /* 0x58 */ _ASC, _ASC, _ASC, _UNK, _PFX, _UNK, _PFX, _ASC, |
| /* 0x60 */ 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, |
| /* 0x68 */ 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, _UNK, |
| /* 0x70 */ 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, |
| /* 0x78 */ 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, |
| /* 0x80 */ 0x2b, 0x2c, 0x2d, 0x2e, 0x70, 0x71, 0x2f, 0x30, |
| /* 0x88 */ 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x72, |
| /* 0x90 */ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x73, 0x74, |
| /* 0x98 */ 0x75, 0x76, _UNK, _UNK, 0x77, 0x78, 0x79, 0x7A, |
| /* 0xA0 */ 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x60, 0x61, |
| /* 0xA8 */ 0x62, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0xB0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0xB8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0xC0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0xC8 */ _UNK, _UNK, _UNK, _UNK, 0x44, _UNK, _UNK, _UNK, |
| /* 0xD0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0xD8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0xE0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0xE8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0xF0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0xF8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x45, |
| }; |
| /* |
| * This table is indexed by the second opcode of the extended opcode |
| * pair. It returns an index into the opcode table (AcpiGbl_AmlOpInfo) |
| */ |
| static const UINT8 AcpiGbl_LongOpIndex[NUM_EXTENDED_OPCODE] = |
| { |
| /* 0 1 2 3 4 5 6 7 */ |
| /* 8 9 A B C D E F */ |
| /* 0x00 */ _UNK, 0x46, 0x47, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x08 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x10 */ _UNK, _UNK, 0x48, 0x49, _UNK, _UNK, _UNK, _UNK, |
| /* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x7B, |
| /* 0x20 */ 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, |
| /* 0x28 */ 0x52, 0x53, 0x54, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x30 */ 0x55, 0x56, 0x57, 0x7e, _UNK, _UNK, _UNK, _UNK, |
| /* 0x38 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x40 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x48 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x50 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x58 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x60 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x68 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x70 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x78 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| /* 0x80 */ 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
| /* 0x88 */ 0x7C, |
| }; |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetOpcodeInfo |
| * |
| * PARAMETERS: Opcode - The AML opcode |
| * |
| * RETURN: A pointer to the info about the opcode. |
| * |
| * DESCRIPTION: Find AML opcode description based on the opcode. |
| * NOTE: This procedure must ALWAYS return a valid pointer! |
| * |
| ******************************************************************************/ |
| const ACPI_OPCODE_INFO * |
| AcpiPsGetOpcodeInfo ( |
| UINT16 Opcode) |
| { |
| ACPI_FUNCTION_NAME (PsGetOpcodeInfo); |
| /* |
| * Detect normal 8-bit opcode or extended 16-bit opcode |
| */ |
| if (!(Opcode & 0xFF00)) |
| { |
| /* Simple (8-bit) opcode: 0-255, can't index beyond table */ |
| return (&AcpiGbl_AmlOpInfo [AcpiGbl_ShortOpIndex [(UINT8) Opcode]]); |
| } |
| if (((Opcode & 0xFF00) == AML_EXTENDED_OPCODE) && |
| (((UINT8) Opcode) <= MAX_EXTENDED_OPCODE)) |
| { |
| /* Valid extended (16-bit) opcode */ |
| return (&AcpiGbl_AmlOpInfo [AcpiGbl_LongOpIndex [(UINT8) Opcode]]); |
| } |
| /* Unknown AML opcode */ |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, |
| "Unknown AML opcode [%4.4X]\n", Opcode)); |
| return (&AcpiGbl_AmlOpInfo [_UNK]); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetOpcodeName |
| * |
| * PARAMETERS: Opcode - The AML opcode |
| * |
| * RETURN: A pointer to the name of the opcode (ASCII String) |
| * Note: Never returns NULL. |
| * |
| * DESCRIPTION: Translate an opcode into a human-readable string |
| * |
| ******************************************************************************/ |
| char * |
| AcpiPsGetOpcodeName ( |
| UINT16 Opcode) |
| { |
| #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT) |
| const ACPI_OPCODE_INFO *Op; |
| Op = AcpiPsGetOpcodeInfo (Opcode); |
| /* Always guaranteed to return a valid pointer */ |
| return (Op->Name); |
| #else |
| return ("OpcodeName unavailable"); |
| #endif |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetArgumentCount |
| * |
| * PARAMETERS: OpType - Type associated with the AML opcode |
| * |
| * RETURN: Argument count |
| * |
| * DESCRIPTION: Obtain the number of expected arguments for an AML opcode |
| * |
| ******************************************************************************/ |
| UINT8 |
| AcpiPsGetArgumentCount ( |
| UINT32 OpType) |
| { |
| if (OpType <= AML_TYPE_EXEC_6A_0T_1R) |
| { |
| return (AcpiGbl_ArgumentCount[OpType]); |
| } |
| return (0); |
| } |
| /drivers/devman/acpica/parser/psparse.c |
|---|
| 0,0 → 1,791 |
| /****************************************************************************** |
| * |
| * Module Name: psparse - Parser top level AML parse routines |
| * |
| *****************************************************************************/ |
| /****************************************************************************** |
| * |
| * 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. |
| * |
| *****************************************************************************/ |
| /* |
| * Parse the AML and build an operation tree as most interpreters, |
| * like Perl, do. Parsing is done by hand rather than with a YACC |
| * generated parser to tightly constrain stack and dynamic memory |
| * usage. At the same time, parsing is kept flexible and the code |
| * fairly compact by parsing based on a list of AML opcode |
| * templates in AmlOpInfo[] |
| */ |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #include "acdispat.h" |
| #include "amlcode.h" |
| #include "acnamesp.h" |
| #include "acinterp.h" |
| #define _COMPONENT ACPI_PARSER |
| ACPI_MODULE_NAME ("psparse") |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetOpcodeSize |
| * |
| * PARAMETERS: Opcode - An AML opcode |
| * |
| * RETURN: Size of the opcode, in bytes (1 or 2) |
| * |
| * DESCRIPTION: Get the size of the current opcode. |
| * |
| ******************************************************************************/ |
| UINT32 |
| AcpiPsGetOpcodeSize ( |
| UINT32 Opcode) |
| { |
| /* Extended (2-byte) opcode if > 255 */ |
| if (Opcode > 0x00FF) |
| { |
| return (2); |
| } |
| /* Otherwise, just a single byte opcode */ |
| return (1); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsPeekOpcode |
| * |
| * PARAMETERS: ParserState - A parser state object |
| * |
| * RETURN: Next AML opcode |
| * |
| * DESCRIPTION: Get next AML opcode (without incrementing AML pointer) |
| * |
| ******************************************************************************/ |
| UINT16 |
| AcpiPsPeekOpcode ( |
| ACPI_PARSE_STATE *ParserState) |
| { |
| UINT8 *Aml; |
| UINT16 Opcode; |
| Aml = ParserState->Aml; |
| Opcode = (UINT16) ACPI_GET8 (Aml); |
| if (Opcode == AML_EXTENDED_OP_PREFIX) |
| { |
| /* Extended opcode, get the second opcode byte */ |
| Aml++; |
| Opcode = (UINT16) ((Opcode << 8) | ACPI_GET8 (Aml)); |
| } |
| return (Opcode); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsCompleteThisOp |
| * |
| * PARAMETERS: WalkState - Current State |
| * Op - Op to complete |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Perform any cleanup at the completion of an Op. |
| * |
| ******************************************************************************/ |
| ACPI_STATUS |
| AcpiPsCompleteThisOp ( |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_OBJECT *Op) |
| { |
| ACPI_PARSE_OBJECT *Prev; |
| ACPI_PARSE_OBJECT *Next; |
| const ACPI_OPCODE_INFO *ParentInfo; |
| ACPI_PARSE_OBJECT *ReplacementOp = NULL; |
| ACPI_STATUS Status = AE_OK; |
| ACPI_FUNCTION_TRACE_PTR (PsCompleteThisOp, Op); |
| /* Check for null Op, can happen if AML code is corrupt */ |
| if (!Op) |
| { |
| return_ACPI_STATUS (AE_OK); /* OK for now */ |
| } |
| /* Delete this op and the subtree below it if asked to */ |
| if (((WalkState->ParseFlags & ACPI_PARSE_TREE_MASK) != ACPI_PARSE_DELETE_TREE) || |
| (WalkState->OpInfo->Class == AML_CLASS_ARGUMENT)) |
| { |
| return_ACPI_STATUS (AE_OK); |
| } |
| /* Make sure that we only delete this subtree */ |
| if (Op->Common.Parent) |
| { |
| Prev = Op->Common.Parent->Common.Value.Arg; |
| if (!Prev) |
| { |
| /* Nothing more to do */ |
| goto Cleanup; |
| } |
| /* |
| * Check if we need to replace the operator and its subtree |
| * with a return value op (placeholder op) |
| */ |
| ParentInfo = AcpiPsGetOpcodeInfo (Op->Common.Parent->Common.AmlOpcode); |
| switch (ParentInfo->Class) |
| { |
| case AML_CLASS_CONTROL: |
| break; |
| case AML_CLASS_CREATE: |
| /* |
| * These opcodes contain TermArg operands. The current |
| * op must be replaced by a placeholder return op |
| */ |
| ReplacementOp = AcpiPsAllocOp (AML_INT_RETURN_VALUE_OP); |
| if (!ReplacementOp) |
| { |
| Status = AE_NO_MEMORY; |
| } |
| break; |
| case AML_CLASS_NAMED_OBJECT: |
| /* |
| * These opcodes contain TermArg operands. The current |
| * op must be replaced by a placeholder return op |
| */ |
| if ((Op->Common.Parent->Common.AmlOpcode == AML_REGION_OP) || |
| (Op->Common.Parent->Common.AmlOpcode == AML_DATA_REGION_OP) || |
| (Op->Common.Parent->Common.AmlOpcode == AML_BUFFER_OP) || |
| (Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) || |
| (Op->Common.Parent->Common.AmlOpcode == AML_BANK_FIELD_OP) || |
| (Op->Common.Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP)) |
| { |
| ReplacementOp = AcpiPsAllocOp (AML_INT_RETURN_VALUE_OP); |
| if (!ReplacementOp) |
| { |
| Status = AE_NO_MEMORY; |
| } |
| } |
| else if ((Op->Common.Parent->Common.AmlOpcode == AML_NAME_OP) && |
| (WalkState->PassNumber <= ACPI_IMODE_LOAD_PASS2)) |
| { |
| if ((Op->Common.AmlOpcode == AML_BUFFER_OP) || |
| (Op->Common.AmlOpcode == AML_PACKAGE_OP) || |
| (Op->Common.AmlOpcode == AML_VAR_PACKAGE_OP)) |
| { |
| ReplacementOp = AcpiPsAllocOp (Op->Common.AmlOpcode); |
| if (!ReplacementOp) |
| { |
| Status = AE_NO_MEMORY; |
| } |
| else |
| { |
| ReplacementOp->Named.Data = Op->Named.Data; |
| ReplacementOp->Named.Length = Op->Named.Length; |
| } |
| } |
| } |
| break; |
| default: |
| ReplacementOp = AcpiPsAllocOp (AML_INT_RETURN_VALUE_OP); |
| if (!ReplacementOp) |
| { |
| Status = AE_NO_MEMORY; |
| } |
| } |
| /* We must unlink this op from the parent tree */ |
| if (Prev == Op) |
| { |
| /* This op is the first in the list */ |
| if (ReplacementOp) |
| { |
| ReplacementOp->Common.Parent = Op->Common.Parent; |
| ReplacementOp->Common.Value.Arg = NULL; |
| ReplacementOp->Common.Node = Op->Common.Node; |
| Op->Common.Parent->Common.Value.Arg = ReplacementOp; |
| ReplacementOp->Common.Next = Op->Common.Next; |
| } |
| else |
| { |
| Op->Common.Parent->Common.Value.Arg = Op->Common.Next; |
| } |
| } |
| /* Search the parent list */ |
| else while (Prev) |
| { |
| /* Traverse all siblings in the parent's argument list */ |
| Next = Prev->Common.Next; |
| if (Next == Op) |
| { |
| if (ReplacementOp) |
| { |
| ReplacementOp->Common.Parent = Op->Common.Parent; |
| ReplacementOp->Common.Value.Arg = NULL; |
| ReplacementOp->Common.Node = Op->Common.Node; |
| Prev->Common.Next = ReplacementOp; |
| ReplacementOp->Common.Next = Op->Common.Next; |
| Next = NULL; |
| } |
| else |
| { |
| Prev->Common.Next = Op->Common.Next; |
| Next = NULL; |
| } |
| } |
| Prev = Next; |
| } |
| } |
| Cleanup: |
| /* Now we can actually delete the subtree rooted at Op */ |
| AcpiPsDeleteParseTree (Op); |
| return_ACPI_STATUS (Status); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsNextParseState |
| * |
| * PARAMETERS: WalkState - Current state |
| * Op - Current parse op |
| * CallbackStatus - Status from previous operation |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Update the parser state based upon the return exception from |
| * the parser callback. |
| * |
| ******************************************************************************/ |
| ACPI_STATUS |
| AcpiPsNextParseState ( |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_OBJECT *Op, |
| ACPI_STATUS CallbackStatus) |
| { |
| ACPI_PARSE_STATE *ParserState = &WalkState->ParserState; |
| ACPI_STATUS Status = AE_CTRL_PENDING; |
| ACPI_FUNCTION_TRACE_PTR (PsNextParseState, Op); |
| switch (CallbackStatus) |
| { |
| case AE_CTRL_TERMINATE: |
| /* |
| * A control method was terminated via a RETURN statement. |
| * The walk of this method is complete. |
| */ |
| ParserState->Aml = ParserState->AmlEnd; |
| Status = AE_CTRL_TERMINATE; |
| break; |
| case AE_CTRL_BREAK: |
| ParserState->Aml = WalkState->AmlLastWhile; |
| WalkState->ControlState->Common.Value = FALSE; |
| Status = AE_CTRL_BREAK; |
| break; |
| case AE_CTRL_CONTINUE: |
| ParserState->Aml = WalkState->AmlLastWhile; |
| Status = AE_CTRL_CONTINUE; |
| break; |
| case AE_CTRL_PENDING: |
| ParserState->Aml = WalkState->AmlLastWhile; |
| break; |
| #if 0 |
| case AE_CTRL_SKIP: |
| ParserState->Aml = ParserState->Scope->ParseScope.PkgEnd; |
| Status = AE_OK; |
| break; |
| #endif |
| case AE_CTRL_TRUE: |
| /* |
| * Predicate of an IF was true, and we are at the matching ELSE. |
| * Just close out this package |
| */ |
| ParserState->Aml = AcpiPsGetNextPackageEnd (ParserState); |
| Status = AE_CTRL_PENDING; |
| break; |
| case AE_CTRL_FALSE: |
| /* |
| * Either an IF/WHILE Predicate was false or we encountered a BREAK |
| * opcode. In both cases, we do not execute the rest of the |
| * package; We simply close out the parent (finishing the walk of |
| * this branch of the tree) and continue execution at the parent |
| * level. |
| */ |
| ParserState->Aml = ParserState->Scope->ParseScope.PkgEnd; |
| /* In the case of a BREAK, just force a predicate (if any) to FALSE */ |
| WalkState->ControlState->Common.Value = FALSE; |
| Status = AE_CTRL_END; |
| break; |
| case AE_CTRL_TRANSFER: |
| /* A method call (invocation) -- transfer control */ |
| Status = AE_CTRL_TRANSFER; |
| WalkState->PrevOp = Op; |
| WalkState->MethodCallOp = Op; |
| WalkState->MethodCallNode = (Op->Common.Value.Arg)->Common.Node; |
| /* Will return value (if any) be used by the caller? */ |
| WalkState->ReturnUsed = AcpiDsIsResultUsed (Op, WalkState); |
| break; |
| default: |
| Status = CallbackStatus; |
| if ((CallbackStatus & AE_CODE_MASK) == AE_CODE_CONTROL) |
| { |
| Status = AE_OK; |
| } |
| break; |
| } |
| return_ACPI_STATUS (Status); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsParseAml |
| * |
| * PARAMETERS: WalkState - Current state |
| * |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Parse raw AML and return a tree of ops |
| * |
| ******************************************************************************/ |
| ACPI_STATUS |
| AcpiPsParseAml ( |
| ACPI_WALK_STATE *WalkState) |
| { |
| ACPI_STATUS Status; |
| ACPI_THREAD_STATE *Thread; |
| ACPI_THREAD_STATE *PrevWalkList = AcpiGbl_CurrentWalkList; |
| ACPI_WALK_STATE *PreviousWalkState; |
| ACPI_FUNCTION_TRACE (PsParseAml); |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, |
| "Entered with WalkState=%p Aml=%p size=%X\n", |
| WalkState, WalkState->ParserState.Aml, |
| WalkState->ParserState.AmlSize)); |
| if (!WalkState->ParserState.Aml) |
| { |
| return_ACPI_STATUS (AE_NULL_OBJECT); |
| } |
| /* Create and initialize a new thread state */ |
| Thread = AcpiUtCreateThreadState (); |
| if (!Thread) |
| { |
| if (WalkState->MethodDesc) |
| { |
| /* Executing a control method - additional cleanup */ |
| AcpiDsTerminateControlMethod (WalkState->MethodDesc, WalkState); |
| } |
| AcpiDsDeleteWalkState (WalkState); |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| WalkState->Thread = Thread; |
| /* |
| * If executing a method, the starting SyncLevel is this method's |
| * SyncLevel |
| */ |
| if (WalkState->MethodDesc) |
| { |
| WalkState->Thread->CurrentSyncLevel = WalkState->MethodDesc->Method.SyncLevel; |
| } |
| AcpiDsPushWalkState (WalkState, Thread); |
| /* |
| * This global allows the AML debugger to get a handle to the currently |
| * executing control method. |
| */ |
| AcpiGbl_CurrentWalkList = Thread; |
| /* |
| * Execute the walk loop as long as there is a valid Walk State. This |
| * handles nested control method invocations without recursion. |
| */ |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "State=%p\n", WalkState)); |
| Status = AE_OK; |
| while (WalkState) |
| { |
| if (ACPI_SUCCESS (Status)) |
| { |
| /* |
| * The ParseLoop executes AML until the method terminates |
| * or calls another method. |
| */ |
| Status = AcpiPsParseLoop (WalkState); |
| } |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, |
| "Completed one call to walk loop, %s State=%p\n", |
| AcpiFormatException (Status), WalkState)); |
| if (Status == AE_CTRL_TRANSFER) |
| { |
| /* |
| * A method call was detected. |
| * Transfer control to the called control method |
| */ |
| Status = AcpiDsCallControlMethod (Thread, WalkState, NULL); |
| if (ACPI_FAILURE (Status)) |
| { |
| Status = AcpiDsMethodError (Status, WalkState); |
| } |
| /* |
| * If the transfer to the new method method call worked, a new walk |
| * state was created -- get it |
| */ |
| WalkState = AcpiDsGetCurrentWalkState (Thread); |
| continue; |
| } |
| else if (Status == AE_CTRL_TERMINATE) |
| { |
| Status = AE_OK; |
| } |
| else if ((Status != AE_OK) && (WalkState->MethodDesc)) |
| { |
| /* Either the method parse or actual execution failed */ |
| ACPI_ERROR_METHOD ("Method parse/execution failed", |
| WalkState->MethodNode, NULL, Status); |
| /* Check for possible multi-thread reentrancy problem */ |
| if ((Status == AE_ALREADY_EXISTS) && |
| (!WalkState->MethodDesc->Method.Mutex)) |
| { |
| ACPI_INFO ((AE_INFO, |
| "Marking method %4.4s as Serialized because of AE_ALREADY_EXISTS error", |
| WalkState->MethodNode->Name.Ascii)); |
| /* |
| * Method tried to create an object twice. The probable cause is |
| * that the method cannot handle reentrancy. |
| * |
| * The method is marked NotSerialized, but it tried to create |
| * a named object, causing the second thread entrance to fail. |
| * Workaround this problem by marking the method permanently |
| * as Serialized. |
| */ |
| WalkState->MethodDesc->Method.MethodFlags |= AML_METHOD_SERIALIZED; |
| WalkState->MethodDesc->Method.SyncLevel = 0; |
| } |
| } |
| /* We are done with this walk, move on to the parent if any */ |
| WalkState = AcpiDsPopWalkState (Thread); |
| /* Reset the current scope to the beginning of scope stack */ |
| AcpiDsScopeStackClear (WalkState); |
| /* |
| * If we just returned from the execution of a control method or if we |
| * encountered an error during the method parse phase, there's lots of |
| * cleanup to do |
| */ |
| if (((WalkState->ParseFlags & ACPI_PARSE_MODE_MASK) == ACPI_PARSE_EXECUTE) || |
| (ACPI_FAILURE (Status))) |
| { |
| AcpiDsTerminateControlMethod (WalkState->MethodDesc, WalkState); |
| } |
| /* Delete this walk state and all linked control states */ |
| AcpiPsCleanupScope (&WalkState->ParserState); |
| PreviousWalkState = WalkState; |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, |
| "ReturnValue=%p, ImplicitValue=%p State=%p\n", |
| WalkState->ReturnDesc, WalkState->ImplicitReturnObj, WalkState)); |
| /* Check if we have restarted a preempted walk */ |
| WalkState = AcpiDsGetCurrentWalkState (Thread); |
| if (WalkState) |
| { |
| if (ACPI_SUCCESS (Status)) |
| { |
| /* |
| * There is another walk state, restart it. |
| * If the method return value is not used by the parent, |
| * The object is deleted |
| */ |
| if (!PreviousWalkState->ReturnDesc) |
| { |
| /* |
| * In slack mode execution, if there is no return value |
| * we should implicitly return zero (0) as a default value. |
| */ |
| if (AcpiGbl_EnableInterpreterSlack && |
| !PreviousWalkState->ImplicitReturnObj) |
| { |
| PreviousWalkState->ImplicitReturnObj = |
| AcpiUtCreateIntegerObject ((UINT64) 0); |
| if (!PreviousWalkState->ImplicitReturnObj) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| } |
| /* Restart the calling control method */ |
| Status = AcpiDsRestartControlMethod (WalkState, |
| PreviousWalkState->ImplicitReturnObj); |
| } |
| else |
| { |
| /* |
| * We have a valid return value, delete any implicit |
| * return value. |
| */ |
| AcpiDsClearImplicitReturn (PreviousWalkState); |
| Status = AcpiDsRestartControlMethod (WalkState, |
| PreviousWalkState->ReturnDesc); |
| } |
| if (ACPI_SUCCESS (Status)) |
| { |
| WalkState->WalkType |= ACPI_WALK_METHOD_RESTART; |
| } |
| } |
| else |
| { |
| /* On error, delete any return object or implicit return */ |
| AcpiUtRemoveReference (PreviousWalkState->ReturnDesc); |
| AcpiDsClearImplicitReturn (PreviousWalkState); |
| } |
| } |
| /* |
| * Just completed a 1st-level method, save the final internal return |
| * value (if any) |
| */ |
| else if (PreviousWalkState->CallerReturnDesc) |
| { |
| if (PreviousWalkState->ImplicitReturnObj) |
| { |
| *(PreviousWalkState->CallerReturnDesc) = |
| PreviousWalkState->ImplicitReturnObj; |
| } |
| else |
| { |
| /* NULL if no return value */ |
| *(PreviousWalkState->CallerReturnDesc) = |
| PreviousWalkState->ReturnDesc; |
| } |
| } |
| else |
| { |
| if (PreviousWalkState->ReturnDesc) |
| { |
| /* Caller doesn't want it, must delete it */ |
| AcpiUtRemoveReference (PreviousWalkState->ReturnDesc); |
| } |
| if (PreviousWalkState->ImplicitReturnObj) |
| { |
| /* Caller doesn't want it, must delete it */ |
| AcpiUtRemoveReference (PreviousWalkState->ImplicitReturnObj); |
| } |
| } |
| AcpiDsDeleteWalkState (PreviousWalkState); |
| } |
| /* Normal exit */ |
| AcpiExReleaseAllMutexes (Thread); |
| AcpiUtDeleteGenericState (ACPI_CAST_PTR (ACPI_GENERIC_STATE, Thread)); |
| AcpiGbl_CurrentWalkList = PrevWalkList; |
| return_ACPI_STATUS (Status); |
| } |
| /drivers/devman/acpica/parser/psscope.c |
|---|
| 0,0 → 1,374 |
| /****************************************************************************** |
| * |
| * Module Name: psscope - Parser scope stack management routines |
| * |
| *****************************************************************************/ |
| /****************************************************************************** |
| * |
| * 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 "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #define _COMPONENT ACPI_PARSER |
| ACPI_MODULE_NAME ("psscope") |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetParentScope |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * |
| * RETURN: Pointer to an Op object |
| * |
| * DESCRIPTION: Get parent of current op being parsed |
| * |
| ******************************************************************************/ |
| ACPI_PARSE_OBJECT * |
| AcpiPsGetParentScope ( |
| ACPI_PARSE_STATE *ParserState) |
| { |
| return (ParserState->Scope->ParseScope.Op); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsHasCompletedScope |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * |
| * RETURN: Boolean, TRUE = scope completed. |
| * |
| * DESCRIPTION: Is parsing of current argument complete? Determined by |
| * 1) AML pointer is at or beyond the end of the scope |
| * 2) The scope argument count has reached zero. |
| * |
| ******************************************************************************/ |
| BOOLEAN |
| AcpiPsHasCompletedScope ( |
| ACPI_PARSE_STATE *ParserState) |
| { |
| return ((BOOLEAN) |
| ((ParserState->Aml >= ParserState->Scope->ParseScope.ArgEnd || |
| !ParserState->Scope->ParseScope.ArgCount))); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsInitScope |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * Root - the Root Node of this new scope |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Allocate and init a new scope object |
| * |
| ******************************************************************************/ |
| ACPI_STATUS |
| AcpiPsInitScope ( |
| ACPI_PARSE_STATE *ParserState, |
| ACPI_PARSE_OBJECT *RootOp) |
| { |
| ACPI_GENERIC_STATE *Scope; |
| ACPI_FUNCTION_TRACE_PTR (PsInitScope, RootOp); |
| Scope = AcpiUtCreateGenericState (); |
| if (!Scope) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| Scope->Common.DescriptorType = ACPI_DESC_TYPE_STATE_RPSCOPE; |
| Scope->ParseScope.Op = RootOp; |
| Scope->ParseScope.ArgCount = ACPI_VAR_ARGS; |
| Scope->ParseScope.ArgEnd = ParserState->AmlEnd; |
| Scope->ParseScope.PkgEnd = ParserState->AmlEnd; |
| ParserState->Scope = Scope; |
| ParserState->StartOp = RootOp; |
| return_ACPI_STATUS (AE_OK); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsPushScope |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * Op - Current op to be pushed |
| * RemainingArgs - List of args remaining |
| * ArgCount - Fixed or variable number of args |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Push current op to begin parsing its argument |
| * |
| ******************************************************************************/ |
| ACPI_STATUS |
| AcpiPsPushScope ( |
| ACPI_PARSE_STATE *ParserState, |
| ACPI_PARSE_OBJECT *Op, |
| UINT32 RemainingArgs, |
| UINT32 ArgCount) |
| { |
| ACPI_GENERIC_STATE *Scope; |
| ACPI_FUNCTION_TRACE_PTR (PsPushScope, Op); |
| Scope = AcpiUtCreateGenericState (); |
| if (!Scope) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| Scope->Common.DescriptorType = ACPI_DESC_TYPE_STATE_PSCOPE; |
| Scope->ParseScope.Op = Op; |
| Scope->ParseScope.ArgList = RemainingArgs; |
| Scope->ParseScope.ArgCount = ArgCount; |
| Scope->ParseScope.PkgEnd = ParserState->PkgEnd; |
| /* Push onto scope stack */ |
| AcpiUtPushGenericState (&ParserState->Scope, Scope); |
| if (ArgCount == ACPI_VAR_ARGS) |
| { |
| /* Multiple arguments */ |
| Scope->ParseScope.ArgEnd = ParserState->PkgEnd; |
| } |
| else |
| { |
| /* Single argument */ |
| Scope->ParseScope.ArgEnd = ACPI_TO_POINTER (ACPI_MAX_PTR); |
| } |
| return_ACPI_STATUS (AE_OK); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsPopScope |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * Op - Where the popped op is returned |
| * ArgList - Where the popped "next argument" is |
| * returned |
| * ArgCount - Count of objects in ArgList |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Return to parsing a previous op |
| * |
| ******************************************************************************/ |
| void |
| AcpiPsPopScope ( |
| ACPI_PARSE_STATE *ParserState, |
| ACPI_PARSE_OBJECT **Op, |
| UINT32 *ArgList, |
| UINT32 *ArgCount) |
| { |
| ACPI_GENERIC_STATE *Scope = ParserState->Scope; |
| ACPI_FUNCTION_TRACE (PsPopScope); |
| /* Only pop the scope if there is in fact a next scope */ |
| if (Scope->Common.Next) |
| { |
| Scope = AcpiUtPopGenericState (&ParserState->Scope); |
| /* Return to parsing previous op */ |
| *Op = Scope->ParseScope.Op; |
| *ArgList = Scope->ParseScope.ArgList; |
| *ArgCount = Scope->ParseScope.ArgCount; |
| ParserState->PkgEnd = Scope->ParseScope.PkgEnd; |
| /* All done with this scope state structure */ |
| AcpiUtDeleteGenericState (Scope); |
| } |
| else |
| { |
| /* Empty parse stack, prepare to fetch next opcode */ |
| *Op = NULL; |
| *ArgList = 0; |
| *ArgCount = 0; |
| } |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, |
| "Popped Op %p Args %X\n", *Op, *ArgCount)); |
| return_VOID; |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsCleanupScope |
| * |
| * PARAMETERS: ParserState - Current parser state object |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Destroy available list, remaining stack levels, and return |
| * root scope |
| * |
| ******************************************************************************/ |
| void |
| AcpiPsCleanupScope ( |
| ACPI_PARSE_STATE *ParserState) |
| { |
| ACPI_GENERIC_STATE *Scope; |
| ACPI_FUNCTION_TRACE_PTR (PsCleanupScope, ParserState); |
| if (!ParserState) |
| { |
| return_VOID; |
| } |
| /* Delete anything on the scope stack */ |
| while (ParserState->Scope) |
| { |
| Scope = AcpiUtPopGenericState (&ParserState->Scope); |
| AcpiUtDeleteGenericState (Scope); |
| } |
| return_VOID; |
| } |
| /drivers/devman/acpica/parser/pstree.c |
|---|
| 0,0 → 1,427 |
| /****************************************************************************** |
| * |
| * Module Name: pstree - Parser op tree manipulation/traversal/search |
| * |
| *****************************************************************************/ |
| /****************************************************************************** |
| * |
| * 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. |
| * |
| *****************************************************************************/ |
| #define __PSTREE_C__ |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #include "amlcode.h" |
| #define _COMPONENT ACPI_PARSER |
| ACPI_MODULE_NAME ("pstree") |
| /* Local prototypes */ |
| #ifdef ACPI_OBSOLETE_FUNCTIONS |
| ACPI_PARSE_OBJECT * |
| AcpiPsGetChild ( |
| ACPI_PARSE_OBJECT *op); |
| #endif |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetArg |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| ACPI_PARSE_OBJECT * |
| AcpiPsGetArg ( |
| ACPI_PARSE_OBJECT *Op, |
| UINT32 Argn) |
| { |
| ACPI_PARSE_OBJECT *Arg = NULL; |
| const ACPI_OPCODE_INFO *OpInfo; |
| ACPI_FUNCTION_ENTRY (); |
| /* Get the info structure for this opcode */ |
| OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
| if (OpInfo->Class == AML_CLASS_UNKNOWN) |
| { |
| /* Invalid opcode or ASCII character */ |
| return (NULL); |
| } |
| /* Check if this opcode requires argument sub-objects */ |
| if (!(OpInfo->Flags & AML_HAS_ARGS)) |
| { |
| /* Has no linked argument objects */ |
| return (NULL); |
| } |
| /* Get the requested argument object */ |
| Arg = Op->Common.Value.Arg; |
| while (Arg && Argn) |
| { |
| Argn--; |
| Arg = Arg->Common.Next; |
| } |
| return (Arg); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsAppendArg |
| * |
| * PARAMETERS: Op - Append an argument to this Op. |
| * Arg - Argument Op to append |
| * |
| * RETURN: None. |
| * |
| * DESCRIPTION: Append an argument to an op's argument list (a NULL arg is OK) |
| * |
| ******************************************************************************/ |
| void |
| AcpiPsAppendArg ( |
| ACPI_PARSE_OBJECT *Op, |
| ACPI_PARSE_OBJECT *Arg) |
| { |
| ACPI_PARSE_OBJECT *PrevArg; |
| const ACPI_OPCODE_INFO *OpInfo; |
| ACPI_FUNCTION_ENTRY (); |
| if (!Op) |
| { |
| return; |
| } |
| /* Get the info structure for this opcode */ |
| OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
| if (OpInfo->Class == AML_CLASS_UNKNOWN) |
| { |
| /* Invalid opcode */ |
| ACPI_ERROR ((AE_INFO, "Invalid AML Opcode: 0x%2.2X", |
| Op->Common.AmlOpcode)); |
| return; |
| } |
| /* Check if this opcode requires argument sub-objects */ |
| if (!(OpInfo->Flags & AML_HAS_ARGS)) |
| { |
| /* Has no linked argument objects */ |
| return; |
| } |
| /* Append the argument to the linked argument list */ |
| if (Op->Common.Value.Arg) |
| { |
| /* Append to existing argument list */ |
| PrevArg = Op->Common.Value.Arg; |
| while (PrevArg->Common.Next) |
| { |
| PrevArg = PrevArg->Common.Next; |
| } |
| PrevArg->Common.Next = Arg; |
| } |
| else |
| { |
| /* No argument list, this will be the first argument */ |
| Op->Common.Value.Arg = Arg; |
| } |
| /* Set the parent in this arg and any args linked after it */ |
| while (Arg) |
| { |
| Arg->Common.Parent = Op; |
| Arg = Arg->Common.Next; |
| Op->Common.ArgListLength++; |
| } |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetDepthNext |
| * |
| * PARAMETERS: Origin - Root of subtree to search |
| * Op - Last (previous) Op that was found |
| * |
| * RETURN: Next Op found in the search. |
| * |
| * DESCRIPTION: Get next op in tree (walking the tree in depth-first order) |
| * Return NULL when reaching "origin" or when walking up from root |
| * |
| ******************************************************************************/ |
| ACPI_PARSE_OBJECT * |
| AcpiPsGetDepthNext ( |
| ACPI_PARSE_OBJECT *Origin, |
| ACPI_PARSE_OBJECT *Op) |
| { |
| ACPI_PARSE_OBJECT *Next = NULL; |
| ACPI_PARSE_OBJECT *Parent; |
| ACPI_PARSE_OBJECT *Arg; |
| ACPI_FUNCTION_ENTRY (); |
| if (!Op) |
| { |
| return (NULL); |
| } |
| /* Look for an argument or child */ |
| Next = AcpiPsGetArg (Op, 0); |
| if (Next) |
| { |
| return (Next); |
| } |
| /* Look for a sibling */ |
| Next = Op->Common.Next; |
| if (Next) |
| { |
| return (Next); |
| } |
| /* Look for a sibling of parent */ |
| Parent = Op->Common.Parent; |
| while (Parent) |
| { |
| Arg = AcpiPsGetArg (Parent, 0); |
| while (Arg && (Arg != Origin) && (Arg != Op)) |
| { |
| Arg = Arg->Common.Next; |
| } |
| if (Arg == Origin) |
| { |
| /* Reached parent of origin, end search */ |
| return (NULL); |
| } |
| if (Parent->Common.Next) |
| { |
| /* Found sibling of parent */ |
| return (Parent->Common.Next); |
| } |
| Op = Parent; |
| Parent = Parent->Common.Parent; |
| } |
| return (Next); |
| } |
| #ifdef ACPI_OBSOLETE_FUNCTIONS |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsGetChild |
| * |
| * PARAMETERS: Op - Get the child of this Op |
| * |
| * RETURN: Child Op, Null if none is found. |
| * |
| * DESCRIPTION: Get op's children or NULL if none |
| * |
| ******************************************************************************/ |
| ACPI_PARSE_OBJECT * |
| AcpiPsGetChild ( |
| ACPI_PARSE_OBJECT *Op) |
| { |
| ACPI_PARSE_OBJECT *Child = NULL; |
| ACPI_FUNCTION_ENTRY (); |
| switch (Op->Common.AmlOpcode) |
| { |
| case AML_SCOPE_OP: |
| case AML_ELSE_OP: |
| case AML_DEVICE_OP: |
| case AML_THERMAL_ZONE_OP: |
| case AML_INT_METHODCALL_OP: |
| Child = AcpiPsGetArg (Op, 0); |
| break; |
| case AML_BUFFER_OP: |
| case AML_PACKAGE_OP: |
| case AML_METHOD_OP: |
| case AML_IF_OP: |
| case AML_WHILE_OP: |
| case AML_FIELD_OP: |
| Child = AcpiPsGetArg (Op, 1); |
| break; |
| case AML_POWER_RES_OP: |
| case AML_INDEX_FIELD_OP: |
| Child = AcpiPsGetArg (Op, 2); |
| break; |
| case AML_PROCESSOR_OP: |
| case AML_BANK_FIELD_OP: |
| Child = AcpiPsGetArg (Op, 3); |
| break; |
| default: |
| /* All others have no children */ |
| break; |
| } |
| return (Child); |
| } |
| #endif |
| /drivers/devman/acpica/parser/psutils.c |
|---|
| 0,0 → 1,362 |
| /****************************************************************************** |
| * |
| * Module Name: psutils - Parser miscellaneous utilities (Parser only) |
| * |
| *****************************************************************************/ |
| /****************************************************************************** |
| * |
| * 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 "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #include "amlcode.h" |
| #define _COMPONENT ACPI_PARSER |
| ACPI_MODULE_NAME ("psutils") |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsCreateScopeOp |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: A new Scope object, null on failure |
| * |
| * DESCRIPTION: Create a Scope and associated namepath op with the root name |
| * |
| ******************************************************************************/ |
| ACPI_PARSE_OBJECT * |
| AcpiPsCreateScopeOp ( |
| void) |
| { |
| ACPI_PARSE_OBJECT *ScopeOp; |
| ScopeOp = AcpiPsAllocOp (AML_SCOPE_OP); |
| if (!ScopeOp) |
| { |
| return (NULL); |
| } |
| ScopeOp->Named.Name = ACPI_ROOT_NAME; |
| return (ScopeOp); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsInitOp |
| * |
| * PARAMETERS: Op - A newly allocated Op object |
| * Opcode - Opcode to store in the Op |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Initialize a parse (Op) object |
| * |
| ******************************************************************************/ |
| void |
| AcpiPsInitOp ( |
| ACPI_PARSE_OBJECT *Op, |
| UINT16 Opcode) |
| { |
| ACPI_FUNCTION_ENTRY (); |
| Op->Common.DescriptorType = ACPI_DESC_TYPE_PARSER; |
| Op->Common.AmlOpcode = Opcode; |
| ACPI_DISASM_ONLY_MEMBERS (ACPI_STRNCPY (Op->Common.AmlOpName, |
| (AcpiPsGetOpcodeInfo (Opcode))->Name, |
| sizeof (Op->Common.AmlOpName))); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsAllocOp |
| * |
| * PARAMETERS: Opcode - Opcode that will be stored in the new Op |
| * |
| * RETURN: Pointer to the new Op, null on failure |
| * |
| * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on |
| * opcode. A cache of opcodes is available for the pure |
| * GENERIC_OP, since this is by far the most commonly used. |
| * |
| ******************************************************************************/ |
| ACPI_PARSE_OBJECT* |
| AcpiPsAllocOp ( |
| UINT16 Opcode) |
| { |
| ACPI_PARSE_OBJECT *Op; |
| const ACPI_OPCODE_INFO *OpInfo; |
| UINT8 Flags = ACPI_PARSEOP_GENERIC; |
| ACPI_FUNCTION_ENTRY (); |
| OpInfo = AcpiPsGetOpcodeInfo (Opcode); |
| /* Determine type of ParseOp required */ |
| if (OpInfo->Flags & AML_DEFER) |
| { |
| Flags = ACPI_PARSEOP_DEFERRED; |
| } |
| else if (OpInfo->Flags & AML_NAMED) |
| { |
| Flags = ACPI_PARSEOP_NAMED; |
| } |
| else if (Opcode == AML_INT_BYTELIST_OP) |
| { |
| Flags = ACPI_PARSEOP_BYTELIST; |
| } |
| /* Allocate the minimum required size object */ |
| if (Flags == ACPI_PARSEOP_GENERIC) |
| { |
| /* The generic op (default) is by far the most common (16 to 1) */ |
| Op = AcpiOsAcquireObject (AcpiGbl_PsNodeCache); |
| } |
| else |
| { |
| /* Extended parseop */ |
| Op = AcpiOsAcquireObject (AcpiGbl_PsNodeExtCache); |
| } |
| /* Initialize the Op */ |
| if (Op) |
| { |
| AcpiPsInitOp (Op, Opcode); |
| Op->Common.Flags = Flags; |
| } |
| return (Op); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsFreeOp |
| * |
| * PARAMETERS: Op - Op to be freed |
| * |
| * RETURN: None. |
| * |
| * DESCRIPTION: Free an Op object. Either put it on the GENERIC_OP cache list |
| * or actually free it. |
| * |
| ******************************************************************************/ |
| void |
| AcpiPsFreeOp ( |
| ACPI_PARSE_OBJECT *Op) |
| { |
| ACPI_FUNCTION_NAME (PsFreeOp); |
| if (Op->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Free retval op: %p\n", Op)); |
| } |
| if (Op->Common.Flags & ACPI_PARSEOP_GENERIC) |
| { |
| (void) AcpiOsReleaseObject (AcpiGbl_PsNodeCache, Op); |
| } |
| else |
| { |
| (void) AcpiOsReleaseObject (AcpiGbl_PsNodeExtCache, Op); |
| } |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: Utility functions |
| * |
| * DESCRIPTION: Low level character and object functions |
| * |
| ******************************************************************************/ |
| /* |
| * Is "c" a namestring lead character? |
| */ |
| BOOLEAN |
| AcpiPsIsLeadingChar ( |
| UINT32 c) |
| { |
| return ((BOOLEAN) (c == '_' || (c >= 'A' && c <= 'Z'))); |
| } |
| /* |
| * Is "c" a namestring prefix character? |
| */ |
| BOOLEAN |
| AcpiPsIsPrefixChar ( |
| UINT32 c) |
| { |
| return ((BOOLEAN) (c == '\\' || c == '^')); |
| } |
| /* |
| * Get op's name (4-byte name segment) or 0 if unnamed |
| */ |
| UINT32 |
| AcpiPsGetName ( |
| ACPI_PARSE_OBJECT *Op) |
| { |
| /* The "generic" object has no name associated with it */ |
| if (Op->Common.Flags & ACPI_PARSEOP_GENERIC) |
| { |
| return (0); |
| } |
| /* Only the "Extended" parse objects have a name */ |
| return (Op->Named.Name); |
| } |
| /* |
| * Set op's name |
| */ |
| void |
| AcpiPsSetName ( |
| ACPI_PARSE_OBJECT *Op, |
| UINT32 name) |
| { |
| /* The "generic" object has no name associated with it */ |
| if (Op->Common.Flags & ACPI_PARSEOP_GENERIC) |
| { |
| return; |
| } |
| Op->Named.Name = name; |
| } |
| /drivers/devman/acpica/parser/pswalk.c |
|---|
| 0,0 → 1,193 |
| /****************************************************************************** |
| * |
| * Module Name: pswalk - Parser routines to walk parsed op tree(s) |
| * |
| *****************************************************************************/ |
| /****************************************************************************** |
| * |
| * 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 "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #define _COMPONENT ACPI_PARSER |
| ACPI_MODULE_NAME ("pswalk") |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsDeleteParseTree |
| * |
| * PARAMETERS: SubtreeRoot - Root of tree (or subtree) to delete |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Delete a portion of or an entire parse tree. |
| * |
| ******************************************************************************/ |
| void |
| AcpiPsDeleteParseTree ( |
| ACPI_PARSE_OBJECT *SubtreeRoot) |
| { |
| ACPI_PARSE_OBJECT *Op = SubtreeRoot; |
| ACPI_PARSE_OBJECT *Next = NULL; |
| ACPI_PARSE_OBJECT *Parent = NULL; |
| ACPI_FUNCTION_TRACE_PTR (PsDeleteParseTree, SubtreeRoot); |
| /* Visit all nodes in the subtree */ |
| while (Op) |
| { |
| /* Check if we are not ascending */ |
| if (Op != Parent) |
| { |
| /* Look for an argument or child of the current op */ |
| Next = AcpiPsGetArg (Op, 0); |
| if (Next) |
| { |
| /* Still going downward in tree (Op is not completed yet) */ |
| Op = Next; |
| continue; |
| } |
| } |
| /* No more children, this Op is complete. */ |
| Next = Op->Common.Next; |
| Parent = Op->Common.Parent; |
| AcpiPsFreeOp (Op); |
| /* If we are back to the starting point, the walk is complete. */ |
| if (Op == SubtreeRoot) |
| { |
| return_VOID; |
| } |
| if (Next) |
| { |
| Op = Next; |
| } |
| else |
| { |
| Op = Parent; |
| } |
| } |
| return_VOID; |
| } |
| /drivers/devman/acpica/parser/psxface.c |
|---|
| 0,0 → 1,515 |
| /****************************************************************************** |
| * |
| * Module Name: psxface - Parser external interfaces |
| * |
| *****************************************************************************/ |
| /****************************************************************************** |
| * |
| * 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. |
| * |
| *****************************************************************************/ |
| #define __PSXFACE_C__ |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #include "acdispat.h" |
| #include "acinterp.h" |
| #include "actables.h" |
| #include "amlcode.h" |
| #define _COMPONENT ACPI_PARSER |
| ACPI_MODULE_NAME ("psxface") |
| /* Local Prototypes */ |
| static void |
| AcpiPsStartTrace ( |
| ACPI_EVALUATE_INFO *Info); |
| static void |
| AcpiPsStopTrace ( |
| ACPI_EVALUATE_INFO *Info); |
| static void |
| AcpiPsUpdateParameterList ( |
| ACPI_EVALUATE_INFO *Info, |
| UINT16 Action); |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiDebugTrace |
| * |
| * PARAMETERS: MethodName - Valid ACPI name string |
| * DebugLevel - Optional level mask. 0 to use default |
| * DebugLayer - Optional layer mask. 0 to use default |
| * Flags - bit 1: one shot(1) or persistent(0) |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: External interface to enable debug tracing during control |
| * method execution |
| * |
| ******************************************************************************/ |
| ACPI_STATUS |
| AcpiDebugTrace ( |
| char *Name, |
| UINT32 DebugLevel, |
| UINT32 DebugLayer, |
| UINT32 Flags) |
| { |
| ACPI_STATUS Status; |
| Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); |
| if (ACPI_FAILURE (Status)) |
| { |
| return (Status); |
| } |
| /* TBDs: Validate name, allow full path or just nameseg */ |
| AcpiGbl_TraceMethodName = *ACPI_CAST_PTR (UINT32, Name); |
| AcpiGbl_TraceFlags = Flags; |
| if (DebugLevel) |
| { |
| AcpiGbl_TraceDbgLevel = DebugLevel; |
| } |
| if (DebugLayer) |
| { |
| AcpiGbl_TraceDbgLayer = DebugLayer; |
| } |
| (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); |
| return (AE_OK); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsStartTrace |
| * |
| * PARAMETERS: Info - Method info struct |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Start control method execution trace |
| * |
| ******************************************************************************/ |
| static void |
| AcpiPsStartTrace ( |
| ACPI_EVALUATE_INFO *Info) |
| { |
| ACPI_STATUS Status; |
| ACPI_FUNCTION_ENTRY (); |
| Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); |
| if (ACPI_FAILURE (Status)) |
| { |
| return; |
| } |
| if ((!AcpiGbl_TraceMethodName) || |
| (AcpiGbl_TraceMethodName != Info->ResolvedNode->Name.Integer)) |
| { |
| goto Exit; |
| } |
| AcpiGbl_OriginalDbgLevel = AcpiDbgLevel; |
| AcpiGbl_OriginalDbgLayer = AcpiDbgLayer; |
| AcpiDbgLevel = 0x00FFFFFF; |
| AcpiDbgLayer = ACPI_UINT32_MAX; |
| if (AcpiGbl_TraceDbgLevel) |
| { |
| AcpiDbgLevel = AcpiGbl_TraceDbgLevel; |
| } |
| if (AcpiGbl_TraceDbgLayer) |
| { |
| AcpiDbgLayer = AcpiGbl_TraceDbgLayer; |
| } |
| Exit: |
| (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsStopTrace |
| * |
| * PARAMETERS: Info - Method info struct |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Stop control method execution trace |
| * |
| ******************************************************************************/ |
| static void |
| AcpiPsStopTrace ( |
| ACPI_EVALUATE_INFO *Info) |
| { |
| ACPI_STATUS Status; |
| ACPI_FUNCTION_ENTRY (); |
| Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); |
| if (ACPI_FAILURE (Status)) |
| { |
| return; |
| } |
| if ((!AcpiGbl_TraceMethodName) || |
| (AcpiGbl_TraceMethodName != Info->ResolvedNode->Name.Integer)) |
| { |
| goto Exit; |
| } |
| /* Disable further tracing if type is one-shot */ |
| if (AcpiGbl_TraceFlags & 1) |
| { |
| AcpiGbl_TraceMethodName = 0; |
| AcpiGbl_TraceDbgLevel = 0; |
| AcpiGbl_TraceDbgLayer = 0; |
| } |
| AcpiDbgLevel = AcpiGbl_OriginalDbgLevel; |
| AcpiDbgLayer = AcpiGbl_OriginalDbgLayer; |
| Exit: |
| (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsExecuteMethod |
| * |
| * PARAMETERS: Info - Method info block, contains: |
| * Node - Method Node to execute |
| * ObjDesc - Method object |
| * Parameters - List of parameters to pass to the method, |
| * terminated by NULL. Params itself may be |
| * NULL if no parameters are being passed. |
| * ReturnObject - Where to put method's return value (if |
| * any). If NULL, no value is returned. |
| * ParameterType - Type of Parameter list |
| * ReturnObject - Where to put method's return value (if |
| * any). If NULL, no value is returned. |
| * PassNumber - Parse or execute pass |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Execute a control method |
| * |
| ******************************************************************************/ |
| ACPI_STATUS |
| AcpiPsExecuteMethod ( |
| ACPI_EVALUATE_INFO *Info) |
| { |
| ACPI_STATUS Status; |
| ACPI_PARSE_OBJECT *Op; |
| ACPI_WALK_STATE *WalkState; |
| ACPI_FUNCTION_TRACE (PsExecuteMethod); |
| /* Quick validation of DSDT header */ |
| AcpiTbCheckDsdtHeader (); |
| /* Validate the Info and method Node */ |
| if (!Info || !Info->ResolvedNode) |
| { |
| return_ACPI_STATUS (AE_NULL_ENTRY); |
| } |
| /* Init for new method, wait on concurrency semaphore */ |
| Status = AcpiDsBeginMethodExecution (Info->ResolvedNode, Info->ObjDesc, NULL); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| /* |
| * The caller "owns" the parameters, so give each one an extra reference |
| */ |
| AcpiPsUpdateParameterList (Info, REF_INCREMENT); |
| /* Begin tracing if requested */ |
| AcpiPsStartTrace (Info); |
| /* |
| * Execute the method. Performs parse simultaneously |
| */ |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, |
| "**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n", |
| Info->ResolvedNode->Name.Ascii, Info->ResolvedNode, Info->ObjDesc)); |
| /* Create and init a Root Node */ |
| Op = AcpiPsCreateScopeOp (); |
| if (!Op) |
| { |
| Status = AE_NO_MEMORY; |
| goto Cleanup; |
| } |
| /* Create and initialize a new walk state */ |
| Info->PassNumber = ACPI_IMODE_EXECUTE; |
| WalkState = AcpiDsCreateWalkState ( |
| Info->ObjDesc->Method.OwnerId, NULL, NULL, NULL); |
| if (!WalkState) |
| { |
| Status = AE_NO_MEMORY; |
| goto Cleanup; |
| } |
| Status = AcpiDsInitAmlWalk (WalkState, Op, Info->ResolvedNode, |
| Info->ObjDesc->Method.AmlStart, |
| Info->ObjDesc->Method.AmlLength, Info, Info->PassNumber); |
| if (ACPI_FAILURE (Status)) |
| { |
| AcpiDsDeleteWalkState (WalkState); |
| goto Cleanup; |
| } |
| if (Info->ObjDesc->Method.Flags & AOPOBJ_MODULE_LEVEL) |
| { |
| WalkState->ParseFlags |= ACPI_PARSE_MODULE_LEVEL; |
| } |
| /* Invoke an internal method if necessary */ |
| if (Info->ObjDesc->Method.MethodFlags & AML_METHOD_INTERNAL_ONLY) |
| { |
| Status = Info->ObjDesc->Method.Extra.Implementation (WalkState); |
| Info->ReturnObject = WalkState->ReturnDesc; |
| /* Cleanup states */ |
| AcpiDsScopeStackClear (WalkState); |
| AcpiPsCleanupScope (&WalkState->ParserState); |
| AcpiDsTerminateControlMethod (WalkState->MethodDesc, WalkState); |
| AcpiDsDeleteWalkState (WalkState); |
| goto Cleanup; |
| } |
| /* |
| * Start method evaluation with an implicit return of zero. This is done |
| * for Windows compatibility. |
| */ |
| if (AcpiGbl_EnableInterpreterSlack) |
| { |
| WalkState->ImplicitReturnObj = |
| AcpiUtCreateIntegerObject ((UINT64) 0); |
| if (!WalkState->ImplicitReturnObj) |
| { |
| Status = AE_NO_MEMORY; |
| AcpiDsDeleteWalkState (WalkState); |
| goto Cleanup; |
| } |
| } |
| /* Parse the AML */ |
| Status = AcpiPsParseAml (WalkState); |
| /* WalkState was deleted by ParseAml */ |
| Cleanup: |
| AcpiPsDeleteParseTree (Op); |
| /* End optional tracing */ |
| AcpiPsStopTrace (Info); |
| /* Take away the extra reference that we gave the parameters above */ |
| AcpiPsUpdateParameterList (Info, REF_DECREMENT); |
| /* Exit now if error above */ |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| /* |
| * If the method has returned an object, signal this to the caller with |
| * a control exception code |
| */ |
| if (Info->ReturnObject) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n", |
| Info->ReturnObject)); |
| ACPI_DUMP_STACK_ENTRY (Info->ReturnObject); |
| Status = AE_CTRL_RETURN_VALUE; |
| } |
| return_ACPI_STATUS (Status); |
| } |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiPsUpdateParameterList |
| * |
| * PARAMETERS: Info - See ACPI_EVALUATE_INFO |
| * (Used: ParameterType and Parameters) |
| * Action - Add or Remove reference |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Update reference count on all method parameter objects |
| * |
| ******************************************************************************/ |
| static void |
| AcpiPsUpdateParameterList ( |
| ACPI_EVALUATE_INFO *Info, |
| UINT16 Action) |
| { |
| UINT32 i; |
| if (Info->Parameters) |
| { |
| /* Update reference count for each parameter */ |
| for (i = 0; Info->Parameters[i]; i++) |
| { |
| /* Ignore errors, just do them all */ |
| (void) AcpiUtUpdateObjectReference (Info->Parameters[i], Action); |
| } |
| } |
| } |