949 lines
27 KiB
C
949 lines
27 KiB
C
/*******************************************************************************
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*
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* Module Name: dsutils - Dispatcher utilities
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* $Revision: 51 $
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*
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******************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999, 2000, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __DSUTILS_C__
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#include "acpi.h"
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#include "acparser.h"
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#include "amlcode.h"
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#include "acdispat.h"
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#include "acinterp.h"
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#include "acnamesp.h"
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#include "acdebug.h"
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#define _COMPONENT PARSER
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MODULE_NAME ("dsutils")
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/*******************************************************************************
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*
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* FUNCTION: AcpiDsIsResultUsed
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*
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* PARAMETERS: Op
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* ResultObj
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* WalkState
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*
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* RETURN: Status
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*
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* DESCRIPTION: Check if a result object will be used by the parent
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*
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******************************************************************************/
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BOOLEAN
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AcpiDsIsResultUsed (
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ACPI_PARSE_OBJECT *Op,
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_OPCODE_INFO *ParentInfo;
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FUNCTION_TRACE_PTR ("DsIsResultUsed", Op);
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/* Must have both an Op and a Result Object */
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if (!Op)
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{
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DEBUG_PRINT (ACPI_ERROR, ("DsIsResultUsed: Null Op\n"));
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return_VALUE (TRUE);
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}
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/*
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* If there is no parent, the result can't possibly be used!
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* (An executing method typically has no parent, since each
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* method is parsed separately) However, a method that is
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* invoked from another method has a parent.
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*/
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if (!Op->Parent)
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{
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return_VALUE (FALSE);
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}
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/*
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* Get info on the parent. The root Op is AML_SCOPE
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*/
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ParentInfo = AcpiPsGetOpcodeInfo (Op->Parent->Opcode);
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if (ACPI_GET_OP_TYPE (ParentInfo) != ACPI_OP_TYPE_OPCODE)
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{
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DEBUG_PRINT (ACPI_ERROR,
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("DsIsResultUsed: Unknown parent opcode. Op=%X\n",
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Op));
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return_VALUE (FALSE);
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}
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/*
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* Decide what to do with the result based on the parent. If
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* the parent opcode will not use the result, delete the object.
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* Otherwise leave it as is, it will be deleted when it is used
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* as an operand later.
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*/
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switch (ACPI_GET_OP_CLASS (ParentInfo))
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{
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/*
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* In these cases, the parent will never use the return object
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*/
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case OPTYPE_CONTROL: /* IF, ELSE, WHILE only */
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switch (Op->Parent->Opcode)
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{
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case AML_RETURN_OP:
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/* Never delete the return value associated with a return opcode */
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DEBUG_PRINT (TRACE_DISPATCH,
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("DsIsResultUsed: Result used, [RETURN] opcode=%X Op=%X\n",
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Op->Opcode, Op));
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return_VALUE (TRUE);
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break;
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case AML_IF_OP:
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case AML_WHILE_OP:
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/*
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* If we are executing the predicate AND this is the predicate op,
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* we will use the return value!
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*/
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if ((WalkState->ControlState->Common.State == CONTROL_PREDICATE_EXECUTING) &&
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(WalkState->ControlState->Control.PredicateOp == Op))
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{
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DEBUG_PRINT (TRACE_DISPATCH,
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("DsIsResultUsed: Result used as a predicate, [IF/WHILE] opcode=%X Op=%X\n",
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Op->Opcode, Op));
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return_VALUE (TRUE);
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}
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break;
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}
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/* Fall through to not used case below */
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case OPTYPE_NAMED_OBJECT: /* Scope, method, etc. */
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/*
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* These opcodes allow TermArg(s) as operands and therefore
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* method calls. The result is used.
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*/
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if ((Op->Parent->Opcode == AML_REGION_OP) ||
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(Op->Parent->Opcode == AML_CREATE_FIELD_OP) ||
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(Op->Parent->Opcode == AML_BIT_FIELD_OP) ||
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(Op->Parent->Opcode == AML_BYTE_FIELD_OP) ||
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(Op->Parent->Opcode == AML_WORD_FIELD_OP) ||
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(Op->Parent->Opcode == AML_DWORD_FIELD_OP) ||
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(Op->Parent->Opcode == AML_QWORD_FIELD_OP))
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{
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DEBUG_PRINT (TRACE_DISPATCH,
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("DsIsResultUsed: Result used, [Region or CreateField] opcode=%X Op=%X\n",
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Op->Opcode, Op));
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return_VALUE (TRUE);
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}
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DEBUG_PRINT (TRACE_DISPATCH,
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("DsIsResultUsed: Result not used, Parent opcode=%X Op=%X\n",
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Op->Opcode, Op));
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return_VALUE (FALSE);
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break;
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/*
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* In all other cases. the parent will actually use the return
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* object, so keep it.
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*/
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default:
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break;
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}
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return_VALUE (TRUE);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDsDeleteResultIfNotUsed
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*
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* PARAMETERS: Op
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* ResultObj
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* WalkState
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*
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* RETURN: Status
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*
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* DESCRIPTION: Used after interpretation of an opcode. If there is an internal
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* result descriptor, check if the parent opcode will actually use
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* this result. If not, delete the result now so that it will
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* not become orphaned.
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*
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******************************************************************************/
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void
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AcpiDsDeleteResultIfNotUsed (
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ACPI_PARSE_OBJECT *Op,
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ACPI_OPERAND_OBJECT *ResultObj,
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_OPERAND_OBJECT *ObjDesc;
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ACPI_STATUS Status;
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FUNCTION_TRACE_PTR ("DsDeleteResultIfNotUsed", ResultObj);
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if (!Op)
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{
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DEBUG_PRINT (ACPI_ERROR,
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("DsDeleteResultIfNotUsed: Null Op=%X\n",
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Op));
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return_VOID;
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}
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if (!ResultObj)
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{
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return_VOID;
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}
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if (!AcpiDsIsResultUsed (Op, WalkState))
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{
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/*
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* Must pop the result stack (ObjDesc should be equal
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* to ResultObj)
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*/
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Status = AcpiDsResultPop (&ObjDesc, WalkState);
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if (ACPI_SUCCESS (Status))
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{
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AcpiCmRemoveReference (ResultObj);
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}
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}
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return_VOID;
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}
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|
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/*******************************************************************************
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*
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* FUNCTION: AcpiDsCreateOperand
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*
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* PARAMETERS: WalkState
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* Arg
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*
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* RETURN: Status
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*
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* DESCRIPTION: Translate a parse tree object that is an argument to an AML
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* opcode to the equivalent interpreter object. This may include
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* looking up a name or entering a new name into the internal
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* namespace.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiDsCreateOperand (
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ACPI_WALK_STATE *WalkState,
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ACPI_PARSE_OBJECT *Arg,
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UINT32 ArgIndex)
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{
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ACPI_STATUS Status = AE_OK;
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NATIVE_CHAR *NameString;
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UINT32 NameLength;
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OBJECT_TYPE_INTERNAL DataType;
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ACPI_OPERAND_OBJECT *ObjDesc;
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ACPI_PARSE_OBJECT *ParentOp;
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UINT16 Opcode;
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UINT32 Flags;
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OPERATING_MODE InterpreterMode;
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|
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FUNCTION_TRACE_PTR ("DsCreateOperand", Arg);
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|
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/* A valid name must be looked up in the namespace */
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if ((Arg->Opcode == AML_NAMEPATH_OP) &&
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(Arg->Value.String))
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{
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DEBUG_PRINT (TRACE_DISPATCH,
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("DsCreateOperand: Getting a name: Arg=%p\n", Arg));
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|
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/* Get the entire name string from the AML stream */
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Status = AcpiAmlGetNameString (ACPI_TYPE_ANY,
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Arg->Value.Buffer,
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&NameString,
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&NameLength);
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|
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if (ACPI_FAILURE (Status))
|
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{
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return_ACPI_STATUS (Status);
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}
|
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|
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/*
|
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* All prefixes have been handled, and the name is
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* in NameString
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*/
|
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|
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/*
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* Differentiate between a namespace "create" operation
|
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* versus a "lookup" operation (IMODE_LOAD_PASS2 vs.
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* IMODE_EXECUTE) in order to support the creation of
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* namespace objects during the execution of control methods.
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*/
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ParentOp = Arg->Parent;
|
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if ((AcpiPsIsNodeOp (ParentOp->Opcode)) &&
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(ParentOp->Opcode != AML_METHODCALL_OP) &&
|
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(ParentOp->Opcode != AML_REGION_OP) &&
|
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(ParentOp->Opcode != AML_NAMEPATH_OP))
|
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{
|
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/* Enter name into namespace if not found */
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|
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InterpreterMode = IMODE_LOAD_PASS2;
|
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}
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else
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{
|
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/* Return a failure if name not found */
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|
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InterpreterMode = IMODE_EXECUTE;
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}
|
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|
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Status = AcpiNsLookup (WalkState->ScopeInfo, NameString,
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ACPI_TYPE_ANY, InterpreterMode,
|
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NS_SEARCH_PARENT | NS_DONT_OPEN_SCOPE,
|
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WalkState,
|
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(ACPI_NAMESPACE_NODE **) &ObjDesc);
|
|
|
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/* Free the namestring created above */
|
|
|
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AcpiCmFree (NameString);
|
|
|
|
/*
|
|
* The only case where we pass through (ignore) a NOT_FOUND
|
|
* error is for the CondRefOf opcode.
|
|
*/
|
|
|
|
if (Status == AE_NOT_FOUND)
|
|
{
|
|
if (ParentOp->Opcode == AML_COND_REF_OF_OP)
|
|
{
|
|
/*
|
|
* For the Conditional Reference op, it's OK if
|
|
* the name is not found; We just need a way to
|
|
* indicate this to the interpreter, set the
|
|
* object to the root
|
|
*/
|
|
ObjDesc = (ACPI_OPERAND_OBJECT *) AcpiGbl_RootNode;
|
|
Status = AE_OK;
|
|
}
|
|
|
|
else
|
|
{
|
|
/*
|
|
* We just plain didn't find it -- which is a
|
|
* very serious error at this point
|
|
*/
|
|
Status = AE_AML_NAME_NOT_FOUND;
|
|
}
|
|
}
|
|
|
|
/* Check status from the lookup */
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Put the resulting object onto the current object stack */
|
|
|
|
Status = AcpiDsObjStackPush (ObjDesc, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
DEBUGGER_EXEC (AcpiDbDisplayArgumentObject (ObjDesc, WalkState));
|
|
}
|
|
|
|
|
|
else
|
|
{
|
|
/* Check for null name case */
|
|
|
|
if (Arg->Opcode == AML_NAMEPATH_OP)
|
|
{
|
|
/*
|
|
* If the name is null, this means that this is an
|
|
* optional result parameter that was not specified
|
|
* in the original ASL. Create an Reference for a
|
|
* placeholder
|
|
*/
|
|
Opcode = AML_ZERO_OP; /* Has no arguments! */
|
|
|
|
DEBUG_PRINT (TRACE_DISPATCH,
|
|
("DsCreateOperand: Null namepath: Arg=%p\n", Arg));
|
|
|
|
/*
|
|
* TBD: [Investigate] anything else needed for the
|
|
* zero op lvalue?
|
|
*/
|
|
}
|
|
|
|
else
|
|
{
|
|
Opcode = Arg->Opcode;
|
|
}
|
|
|
|
|
|
/* Get the data type of the argument */
|
|
|
|
DataType = AcpiDsMapOpcodeToDataType (Opcode, &Flags);
|
|
if (DataType == INTERNAL_TYPE_INVALID)
|
|
{
|
|
return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
|
|
}
|
|
|
|
if (Flags & OP_HAS_RETURN_VALUE)
|
|
{
|
|
DEBUG_PRINT (TRACE_DISPATCH,
|
|
("DsCreateOperand: Argument previously created, already stacked \n"));
|
|
|
|
DEBUGGER_EXEC (AcpiDbDisplayArgumentObject (WalkState->Operands [WalkState->NumOperands - 1], WalkState));
|
|
|
|
/*
|
|
* Use value that was already previously returned
|
|
* by the evaluation of this argument
|
|
*/
|
|
|
|
Status = AcpiDsResultPopFromBottom (&ObjDesc, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/*
|
|
* Only error is underflow, and this indicates
|
|
* a missing or null operand!
|
|
*/
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("DsCreateOperand: Missing or null operand, %s\n", AcpiCmFormatException (Status)));
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
{
|
|
/* Create an ACPI_INTERNAL_OBJECT for the argument */
|
|
|
|
ObjDesc = AcpiCmCreateInternalObject (DataType);
|
|
if (!ObjDesc)
|
|
{
|
|
return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
|
|
/* Initialize the new object */
|
|
|
|
Status = AcpiDsInitObjectFromOp (WalkState, Arg,
|
|
Opcode, &ObjDesc);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiCmDeleteObjectDesc (ObjDesc);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
}
|
|
|
|
/* Put the operand object on the object stack */
|
|
|
|
Status = AcpiDsObjStackPush (ObjDesc, WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
DEBUGGER_EXEC (AcpiDbDisplayArgumentObject (ObjDesc, WalkState));
|
|
}
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDsCreateOperands
|
|
*
|
|
* PARAMETERS: FirstArg - First argument of a parser argument tree
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Convert an operator's arguments from a parse tree format to
|
|
* namespace objects and place those argument object on the object
|
|
* stack in preparation for evaluation by the interpreter.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiDsCreateOperands (
|
|
ACPI_WALK_STATE *WalkState,
|
|
ACPI_PARSE_OBJECT *FirstArg)
|
|
{
|
|
ACPI_STATUS Status = AE_OK;
|
|
ACPI_PARSE_OBJECT *Arg;
|
|
UINT32 ArgCount = 0;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("DsCreateOperands", FirstArg);
|
|
|
|
/* For all arguments in the list... */
|
|
|
|
Arg = FirstArg;
|
|
while (Arg)
|
|
{
|
|
Status = AcpiDsCreateOperand (WalkState, Arg, ArgCount);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
DEBUG_PRINT (TRACE_DISPATCH,
|
|
("DsCreateOperands: Arg #%d (%p) done, Arg1=%p\n",
|
|
ArgCount, Arg, FirstArg));
|
|
|
|
/* Move on to next argument, if any */
|
|
|
|
Arg = Arg->Next;
|
|
ArgCount++;
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
|
|
|
|
Cleanup:
|
|
/*
|
|
* We must undo everything done above; meaning that we must
|
|
* pop everything off of the operand stack and delete those
|
|
* objects
|
|
*/
|
|
|
|
AcpiDsObjStackPopAndDelete (ArgCount, WalkState);
|
|
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("DsCreateOperands: Error while creating Arg %d - %s\n",
|
|
(ArgCount + 1), AcpiCmFormatException (Status)));
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDsResolveOperands
|
|
*
|
|
* PARAMETERS: WalkState - Current walk state with operands on stack
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Resolve all operands to their values. Used to prepare
|
|
* arguments to a control method invocation (a call from one
|
|
* method to another.)
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiDsResolveOperands (
|
|
ACPI_WALK_STATE *WalkState)
|
|
{
|
|
UINT32 i;
|
|
ACPI_STATUS Status = AE_OK;
|
|
|
|
|
|
FUNCTION_TRACE_PTR ("DsResolveOperands", WalkState);
|
|
|
|
|
|
/*
|
|
* Attempt to resolve each of the valid operands
|
|
* Method arguments are passed by value, not by reference
|
|
*/
|
|
|
|
/*
|
|
* TBD: [Investigate] Note from previous parser:
|
|
* RefOf problem with AcpiAmlResolveToValue() conversion.
|
|
*/
|
|
|
|
for (i = 0; i < WalkState->NumOperands; i++)
|
|
{
|
|
Status = AcpiAmlResolveToValue (&WalkState->Operands[i], WalkState);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDsMapOpcodeToDataType
|
|
*
|
|
* PARAMETERS: Opcode - AML opcode to map
|
|
* OutFlags - Additional info about the opcode
|
|
*
|
|
* RETURN: The ACPI type associated with the opcode
|
|
*
|
|
* DESCRIPTION: Convert a raw AML opcode to the associated ACPI data type,
|
|
* if any. If the opcode returns a value as part of the
|
|
* intepreter execution, a flag is returned in OutFlags.
|
|
*
|
|
******************************************************************************/
|
|
|
|
OBJECT_TYPE_INTERNAL
|
|
AcpiDsMapOpcodeToDataType (
|
|
UINT16 Opcode,
|
|
UINT32 *OutFlags)
|
|
{
|
|
OBJECT_TYPE_INTERNAL DataType = INTERNAL_TYPE_INVALID;
|
|
ACPI_OPCODE_INFO *OpInfo;
|
|
UINT32 Flags = 0;
|
|
|
|
|
|
OpInfo = AcpiPsGetOpcodeInfo (Opcode);
|
|
if (ACPI_GET_OP_TYPE (OpInfo) != ACPI_OP_TYPE_OPCODE)
|
|
{
|
|
/* Unknown opcode */
|
|
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("MapOpcode: Unknown AML opcode: %x\n",
|
|
Opcode));
|
|
|
|
return (DataType);
|
|
}
|
|
|
|
switch (ACPI_GET_OP_CLASS (OpInfo))
|
|
{
|
|
|
|
case OPTYPE_LITERAL:
|
|
|
|
switch (Opcode)
|
|
{
|
|
case AML_BYTE_OP:
|
|
case AML_WORD_OP:
|
|
case AML_DWORD_OP:
|
|
|
|
DataType = ACPI_TYPE_NUMBER;
|
|
break;
|
|
|
|
|
|
case AML_STRING_OP:
|
|
|
|
DataType = ACPI_TYPE_STRING;
|
|
break;
|
|
|
|
case AML_NAMEPATH_OP:
|
|
DataType = INTERNAL_TYPE_REFERENCE;
|
|
break;
|
|
|
|
default:
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("MapOpcode: Unknown (type LITERAL) AML opcode: %x\n",
|
|
Opcode));
|
|
break;
|
|
}
|
|
break;
|
|
|
|
|
|
case OPTYPE_DATA_TERM:
|
|
|
|
switch (Opcode)
|
|
{
|
|
case AML_BUFFER_OP:
|
|
|
|
DataType = ACPI_TYPE_BUFFER;
|
|
break;
|
|
|
|
case AML_PACKAGE_OP:
|
|
|
|
DataType = ACPI_TYPE_PACKAGE;
|
|
break;
|
|
|
|
default:
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("MapOpcode: Unknown (type DATA_TERM) AML opcode: %x\n",
|
|
Opcode));
|
|
break;
|
|
}
|
|
break;
|
|
|
|
|
|
case OPTYPE_CONSTANT:
|
|
case OPTYPE_METHOD_ARGUMENT:
|
|
case OPTYPE_LOCAL_VARIABLE:
|
|
|
|
DataType = INTERNAL_TYPE_REFERENCE;
|
|
break;
|
|
|
|
|
|
case OPTYPE_MONADIC2:
|
|
case OPTYPE_MONADIC2R:
|
|
case OPTYPE_DYADIC2:
|
|
case OPTYPE_DYADIC2R:
|
|
case OPTYPE_DYADIC2S:
|
|
case OPTYPE_INDEX:
|
|
case OPTYPE_MATCH:
|
|
case OPTYPE_RETURN:
|
|
|
|
Flags = OP_HAS_RETURN_VALUE;
|
|
DataType = ACPI_TYPE_ANY;
|
|
break;
|
|
|
|
case OPTYPE_METHOD_CALL:
|
|
|
|
Flags = OP_HAS_RETURN_VALUE;
|
|
DataType = ACPI_TYPE_METHOD;
|
|
break;
|
|
|
|
|
|
case OPTYPE_NAMED_OBJECT:
|
|
|
|
DataType = AcpiDsMapNamedOpcodeToDataType (Opcode);
|
|
break;
|
|
|
|
|
|
case OPTYPE_DYADIC1:
|
|
case OPTYPE_CONTROL:
|
|
|
|
/* No mapping needed at this time */
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
DEBUG_PRINT (ACPI_ERROR,
|
|
("MapOpcode: Unimplemented data type opcode: %x\n",
|
|
Opcode));
|
|
break;
|
|
}
|
|
|
|
/* Return flags to caller if requested */
|
|
|
|
if (OutFlags)
|
|
{
|
|
*OutFlags = Flags;
|
|
}
|
|
|
|
return (DataType);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDsMapNamedOpcodeToDataType
|
|
*
|
|
* PARAMETERS: Opcode - The Named AML opcode to map
|
|
*
|
|
* RETURN: The ACPI type associated with the named opcode
|
|
*
|
|
* DESCRIPTION: Convert a raw Named AML opcode to the associated data type.
|
|
* Named opcodes are a subsystem of the AML opcodes.
|
|
*
|
|
******************************************************************************/
|
|
|
|
OBJECT_TYPE_INTERNAL
|
|
AcpiDsMapNamedOpcodeToDataType (
|
|
UINT16 Opcode)
|
|
{
|
|
OBJECT_TYPE_INTERNAL DataType;
|
|
|
|
|
|
/* Decode Opcode */
|
|
|
|
switch (Opcode)
|
|
{
|
|
case AML_SCOPE_OP:
|
|
DataType = INTERNAL_TYPE_SCOPE;
|
|
break;
|
|
|
|
case AML_DEVICE_OP:
|
|
DataType = ACPI_TYPE_DEVICE;
|
|
break;
|
|
|
|
case AML_THERMAL_ZONE_OP:
|
|
DataType = ACPI_TYPE_THERMAL;
|
|
break;
|
|
|
|
case AML_METHOD_OP:
|
|
DataType = ACPI_TYPE_METHOD;
|
|
break;
|
|
|
|
case AML_POWER_RES_OP:
|
|
DataType = ACPI_TYPE_POWER;
|
|
break;
|
|
|
|
case AML_PROCESSOR_OP:
|
|
DataType = ACPI_TYPE_PROCESSOR;
|
|
break;
|
|
|
|
case AML_DEF_FIELD_OP: /* DefFieldOp */
|
|
DataType = INTERNAL_TYPE_DEF_FIELD_DEFN;
|
|
break;
|
|
|
|
case AML_INDEX_FIELD_OP: /* IndexFieldOp */
|
|
DataType = INTERNAL_TYPE_INDEX_FIELD_DEFN;
|
|
break;
|
|
|
|
case AML_BANK_FIELD_OP: /* BankFieldOp */
|
|
DataType = INTERNAL_TYPE_BANK_FIELD_DEFN;
|
|
break;
|
|
|
|
case AML_NAMEDFIELD_OP: /* NO CASE IN ORIGINAL */
|
|
DataType = ACPI_TYPE_ANY;
|
|
break;
|
|
|
|
case AML_NAME_OP: /* NameOp - special code in original */
|
|
case AML_NAMEPATH_OP:
|
|
DataType = ACPI_TYPE_ANY;
|
|
break;
|
|
|
|
case AML_ALIAS_OP:
|
|
DataType = INTERNAL_TYPE_ALIAS;
|
|
break;
|
|
|
|
case AML_MUTEX_OP:
|
|
DataType = ACPI_TYPE_MUTEX;
|
|
break;
|
|
|
|
case AML_EVENT_OP:
|
|
DataType = ACPI_TYPE_EVENT;
|
|
break;
|
|
|
|
case AML_REGION_OP:
|
|
DataType = ACPI_TYPE_REGION;
|
|
break;
|
|
|
|
|
|
default:
|
|
DataType = ACPI_TYPE_ANY;
|
|
break;
|
|
|
|
}
|
|
|
|
return (DataType);
|
|
}
|
|
|
|
|