855 lines
26 KiB
C
855 lines
26 KiB
C
/******************************************************************************
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*
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* Module Name: dswload - Dispatcher namespace load callbacks
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* $Revision: 61 $
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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 - 2002, 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 __DSWLOAD_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 "acevents.h"
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#define _COMPONENT ACPI_DISPATCHER
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ACPI_MODULE_NAME ("dswload")
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/*******************************************************************************
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*
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* FUNCTION: AcpiDsInitCallbacks
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*
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* PARAMETERS: WalkState - Current state of the parse tree walk
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* PassNumber - 1, 2, or 3
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*
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* RETURN: Status
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*
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* DESCRIPTION: Init walk state callbacks
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiDsInitCallbacks (
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ACPI_WALK_STATE *WalkState,
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UINT32 PassNumber)
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{
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switch (PassNumber)
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{
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case 1:
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WalkState->ParseFlags = ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE;
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WalkState->DescendingCallback = AcpiDsLoad1BeginOp;
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WalkState->AscendingCallback = AcpiDsLoad1EndOp;
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break;
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case 2:
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WalkState->ParseFlags = ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE;
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WalkState->DescendingCallback = AcpiDsLoad2BeginOp;
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WalkState->AscendingCallback = AcpiDsLoad2EndOp;
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break;
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case 3:
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WalkState->ParseFlags |= ACPI_PARSE_EXECUTE | ACPI_PARSE_DELETE_TREE;
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WalkState->DescendingCallback = AcpiDsExecBeginOp;
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WalkState->AscendingCallback = AcpiDsExecEndOp;
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break;
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default:
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return (AE_BAD_PARAMETER);
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}
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDsLoad1BeginOp
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*
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* PARAMETERS: WalkState - Current state of the parse tree walk
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* Op - Op that has been just been reached in the
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* walk; Arguments have not been evaluated yet.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Descending callback used during the loading of ACPI tables.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiDsLoad1BeginOp (
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ACPI_WALK_STATE *WalkState,
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ACPI_PARSE_OBJECT **OutOp)
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{
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ACPI_PARSE_OBJECT *Op;
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ACPI_NAMESPACE_NODE *Node;
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ACPI_STATUS Status;
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ACPI_OBJECT_TYPE ObjectType;
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NATIVE_CHAR *Path;
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ACPI_FUNCTION_NAME ("DsLoad1BeginOp");
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Op = WalkState->Op;
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState));
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if (Op && (Op->Opcode == AML_INT_NAMEDFIELD_OP))
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState));
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}
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/* We are only interested in opcodes that have an associated name */
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if (WalkState->Op)
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{
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if (!(WalkState->OpInfo->Flags & AML_NAMED))
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{
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*OutOp = Op;
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return (AE_OK);
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}
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/* Check if this object has already been installed in the namespace */
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if (Op->Node)
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{
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*OutOp = Op;
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return (AE_OK);
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}
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}
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Path = AcpiPsGetNextNamestring (&WalkState->ParserState);
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/* Map the raw opcode into an internal object type */
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ObjectType = WalkState->OpInfo->ObjectType;
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
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"State=%p Op=%p Type=%x\n", WalkState, Op, ObjectType));
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/*
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* Enter the named type into the internal namespace. We enter the name
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* as we go downward in the parse tree. Any necessary subobjects that involve
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* arguments to the opcode must be created as we go back up the parse tree later.
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*/
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Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType,
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ACPI_IMODE_LOAD_PASS1, ACPI_NS_NO_UPSEARCH, WalkState, &(Node));
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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if (!Op)
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{
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/* Create a new op */
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Op = AcpiPsAllocOp (WalkState->Opcode);
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if (!Op)
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{
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return (AE_NO_MEMORY);
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}
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}
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/* Initialize */
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((ACPI_PARSE2_OBJECT *)Op)->Name = Node->Name;
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/*
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* Put the Node in the "op" object that the parser uses, so we
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* can get it again quickly when this scope is closed
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*/
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Op->Node = Node;
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AcpiPsAppendArg (AcpiPsGetParentScope (&WalkState->ParserState), Op);
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*OutOp = Op;
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return (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDsLoad1EndOp
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*
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* PARAMETERS: WalkState - Current state of the parse tree walk
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* Op - Op that has been just been completed in the
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* walk; Arguments have now been evaluated.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Ascending callback used during the loading of the namespace,
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* both control methods and everything else.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiDsLoad1EndOp (
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_PARSE_OBJECT *Op;
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ACPI_OBJECT_TYPE ObjectType;
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ACPI_FUNCTION_NAME ("DsLoad1EndOp");
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Op = WalkState->Op;
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState));
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/* We are only interested in opcodes that have an associated name */
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if (!(WalkState->OpInfo->Flags & (AML_NAMED | AML_FIELD)))
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{
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return (AE_OK);
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}
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/* Get the object type to determine if we should pop the scope */
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ObjectType = WalkState->OpInfo->ObjectType;
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if (WalkState->OpInfo->Flags & AML_FIELD)
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{
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if (WalkState->Opcode == AML_FIELD_OP ||
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WalkState->Opcode == AML_BANK_FIELD_OP ||
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WalkState->Opcode == AML_INDEX_FIELD_OP)
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{
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AcpiDsInitFieldObjects (Op, WalkState);
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}
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return (AE_OK);
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}
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if (Op->Opcode == AML_REGION_OP)
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{
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/*Status = */AcpiExCreateRegion (((ACPI_PARSE2_OBJECT *) Op)->Data,
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((ACPI_PARSE2_OBJECT *) Op)->Length,
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(ACPI_ADR_SPACE_TYPE) ((Op->Value.Arg)->Value.Integer), WalkState);
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}
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if (Op->Opcode == AML_NAME_OP)
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{
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/* For Name opcode, get the object type from the argument */
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if (Op->Value.Arg)
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{
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ObjectType = (AcpiPsGetOpcodeInfo ((Op->Value.Arg)->Opcode))->ObjectType;
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Op->Node->Type = (UINT8) ObjectType;
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}
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}
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/* Pop the scope stack */
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if (AcpiNsOpensScope (ObjectType))
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s): Popping scope for Op %p\n",
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AcpiUtGetTypeName (ObjectType), Op));
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AcpiDsScopeStackPop (WalkState);
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}
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDsLoad2BeginOp
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*
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* PARAMETERS: WalkState - Current state of the parse tree walk
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* Op - Op that has been just been reached in the
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* walk; Arguments have not been evaluated yet.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Descending callback used during the loading of ACPI tables.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiDsLoad2BeginOp (
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ACPI_WALK_STATE *WalkState,
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ACPI_PARSE_OBJECT **OutOp)
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{
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ACPI_PARSE_OBJECT *Op;
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ACPI_NAMESPACE_NODE *Node;
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ACPI_STATUS Status;
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ACPI_OBJECT_TYPE ObjectType;
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NATIVE_CHAR *BufferPtr;
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void *Original = NULL;
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ACPI_FUNCTION_NAME ("DsLoad2BeginOp");
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Op = WalkState->Op;
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState));
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if (Op)
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{
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/* We only care about Namespace opcodes here */
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if ((!(WalkState->OpInfo->Flags & AML_NSOPCODE) && (WalkState->Opcode != AML_INT_NAMEPATH_OP)) ||
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(!(WalkState->OpInfo->Flags & AML_NAMED)))
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{
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return (AE_OK);
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}
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/*
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* Get the name we are going to enter or lookup in the namespace
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*/
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if (WalkState->Opcode == AML_INT_NAMEPATH_OP)
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{
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/* For Namepath op, get the path string */
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BufferPtr = Op->Value.String;
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if (!BufferPtr)
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{
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/* No name, just exit */
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return (AE_OK);
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}
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}
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else
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{
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/* Get name from the op */
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BufferPtr = (NATIVE_CHAR *) &((ACPI_PARSE2_OBJECT *)Op)->Name;
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}
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}
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else
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{
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/* Get the namestring from the raw AML */
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BufferPtr = AcpiPsGetNextNamestring (&WalkState->ParserState);
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}
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/* Map the opcode into an internal object type */
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ObjectType = WalkState->OpInfo->ObjectType;
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
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"State=%p Op=%p Type=%x\n", WalkState, Op, ObjectType));
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if (WalkState->Opcode == AML_FIELD_OP ||
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WalkState->Opcode == AML_BANK_FIELD_OP ||
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WalkState->Opcode == AML_INDEX_FIELD_OP)
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{
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Node = NULL;
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Status = AE_OK;
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}
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else if (WalkState->Opcode == AML_INT_NAMEPATH_OP)
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{
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/*
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* The NamePath is an object reference to an existing object. Don't enter the
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* name into the namespace, but look it up for use later
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*/
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Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType,
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ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, WalkState, &(Node));
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}
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else
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{
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if (Op && Op->Node)
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{
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Original = Op->Node;
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Node = Op->Node;
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if (AcpiNsOpensScope (ObjectType))
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{
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Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState);
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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}
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return (AE_OK);
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}
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/*
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* Enter the named type into the internal namespace. We enter the name
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* as we go downward in the parse tree. Any necessary subobjects that involve
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* arguments to the opcode must be created as we go back up the parse tree later.
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*/
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Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType,
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ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, WalkState, &(Node));
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}
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if (ACPI_SUCCESS (Status))
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{
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if (!Op)
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{
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/* Create a new op */
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Op = AcpiPsAllocOp (WalkState->Opcode);
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if (!Op)
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{
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return (AE_NO_MEMORY);
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}
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/* Initialize the new op */
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((ACPI_PARSE2_OBJECT *)Op)->Name = Node->Name;
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*OutOp = Op;
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}
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/*
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* Put the Node in the "op" object that the parser uses, so we
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* can get it again quickly when this scope is closed
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*/
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Op->Node = Node;
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if (Original)
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "old %p new %p\n", Original, Node));
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if (Original != Node)
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
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"Lookup match error: old %p new %p\n", Original, Node));
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}
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}
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}
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return (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDsLoad2EndOp
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*
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* PARAMETERS: WalkState - Current state of the parse tree walk
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* Op - Op that has been just been completed in the
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* walk; Arguments have now been evaluated.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Ascending callback used during the loading of the namespace,
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* both control methods and everything else.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiDsLoad2EndOp (
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ACPI_WALK_STATE *WalkState)
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{
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ACPI_PARSE_OBJECT *Op;
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ACPI_STATUS Status = AE_OK;
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ACPI_OBJECT_TYPE ObjectType;
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ACPI_NAMESPACE_NODE *Node;
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ACPI_PARSE_OBJECT *Arg;
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ACPI_NAMESPACE_NODE *NewNode;
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UINT32 i;
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ACPI_FUNCTION_NAME ("DsLoad2EndOp");
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Op = WalkState->Op;
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
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WalkState->OpInfo->Name, Op, WalkState));
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/* Only interested in opcodes that have namespace objects */
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if (!(WalkState->OpInfo->Flags & AML_NSOBJECT))
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{
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return (AE_OK);
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}
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if (Op->Opcode == AML_SCOPE_OP)
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
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"Ending scope Op=%p State=%p\n", Op, WalkState));
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if (((ACPI_PARSE2_OBJECT *)Op)->Name == ACPI_UINT16_MAX)
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unnamed scope! Op=%p State=%p\n",
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Op, WalkState));
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return (AE_OK);
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}
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}
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ObjectType = WalkState->OpInfo->ObjectType;
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/*
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* Get the Node/name from the earlier lookup
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* (It was saved in the *op structure)
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*/
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Node = Op->Node;
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/*
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* Put the Node on the object stack (Contains the ACPI Name of
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* this object)
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*/
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WalkState->Operands[0] = (void *) Node;
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WalkState->NumOperands = 1;
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/* Pop the scope stack */
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if (AcpiNsOpensScope (ObjectType))
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n",
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AcpiUtGetTypeName (ObjectType), Op));
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AcpiDsScopeStackPop (WalkState);
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}
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/*
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* Named operations are as follows:
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*
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* AML_ALIAS
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* AML_BANKFIELD
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* AML_CREATEBITFIELD
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* AML_CREATEBYTEFIELD
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* AML_CREATEDWORDFIELD
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* AML_CREATEFIELD
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* AML_CREATEQWORDFIELD
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* AML_CREATEWORDFIELD
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* AML_DATA_REGION
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* AML_DEVICE
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* AML_EVENT
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* AML_FIELD
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* AML_INDEXFIELD
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* AML_METHOD
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* AML_METHODCALL
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* AML_MUTEX
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* AML_NAME
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* AML_NAMEDFIELD
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* AML_OPREGION
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* AML_POWERRES
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* AML_PROCESSOR
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* AML_SCOPE
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* AML_THERMALZONE
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*/
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
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"Create-Load [%s] State=%p Op=%p NamedObj=%p\n",
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AcpiPsGetOpcodeName (Op->Opcode), WalkState, Op, Node));
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/* Decode the opcode */
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Arg = Op->Value.Arg;
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switch (WalkState->OpInfo->Type)
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{
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case AML_TYPE_CREATE_FIELD:
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/*
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* Create the field object, but the field buffer and index must
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* be evaluated later during the execution phase
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*/
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Status = AcpiDsCreateBufferField (Op, WalkState);
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break;
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|
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case AML_TYPE_NAMED_FIELD:
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switch (Op->Opcode)
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{
|
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case AML_INDEX_FIELD_OP:
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Status = AcpiDsCreateIndexField (Op, (ACPI_HANDLE) Arg->Node,
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WalkState);
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break;
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case AML_BANK_FIELD_OP:
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Status = AcpiDsCreateBankField (Op, Arg->Node, WalkState);
|
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break;
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case AML_FIELD_OP:
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Status = AcpiDsCreateField (Op, Arg->Node, WalkState);
|
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break;
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}
|
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break;
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|
|
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case AML_TYPE_NAMED_SIMPLE:
|
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Status = AcpiDsCreateOperands (WalkState, Arg);
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if (ACPI_FAILURE (Status))
|
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{
|
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goto Cleanup;
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}
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switch (Op->Opcode)
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{
|
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case AML_PROCESSOR_OP:
|
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Status = AcpiExCreateProcessor (WalkState);
|
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break;
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case AML_POWER_RES_OP:
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Status = AcpiExCreatePowerResource (WalkState);
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break;
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case AML_MUTEX_OP:
|
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|
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Status = AcpiExCreateMutex (WalkState);
|
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break;
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case AML_EVENT_OP:
|
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Status = AcpiExCreateEvent (WalkState);
|
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break;
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case AML_DATA_REGION_OP:
|
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Status = AcpiExCreateTableRegion (WalkState);
|
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break;
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case AML_ALIAS_OP:
|
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Status = AcpiExCreateAlias (WalkState);
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break;
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default:
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/* Unknown opcode */
|
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|
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Status = AE_OK;
|
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goto Cleanup;
|
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}
|
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/* Delete operands */
|
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for (i = 1; i < WalkState->NumOperands; i++)
|
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{
|
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AcpiUtRemoveReference (WalkState->Operands[i]);
|
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WalkState->Operands[i] = NULL;
|
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}
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break;
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|
|
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case AML_TYPE_NAMED_COMPLEX:
|
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switch (Op->Opcode)
|
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{
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case AML_METHOD_OP:
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/*
|
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* MethodOp PkgLength NameString MethodFlags TermList
|
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*/
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
|
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"LOADING-Method: State=%p Op=%p NamedObj=%p\n",
|
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WalkState, Op, Node));
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if (!AcpiNsGetAttachedObject (Node))
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{
|
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Status = AcpiDsCreateOperands (WalkState, Arg);
|
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if (ACPI_FAILURE (Status))
|
|
{
|
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goto Cleanup;
|
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}
|
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|
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Status = AcpiExCreateMethod (((ACPI_PARSE2_OBJECT *) Op)->Data,
|
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((ACPI_PARSE2_OBJECT *) Op)->Length,
|
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WalkState);
|
|
}
|
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break;
|
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|
|
|
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case AML_REGION_OP:
|
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/*
|
|
* The OpRegion is not fully parsed at this time. Only valid argument is the SpaceId.
|
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* (We must save the address of the AML of the address and length operands)
|
|
*/
|
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/*
|
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* If we have a valid region, initialize it
|
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* Namespace is NOT locked at this point.
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*/
|
|
Status = AcpiEvInitializeRegion (AcpiNsGetAttachedObject (Node), FALSE);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/*
|
|
* If AE_NOT_EXIST is returned, it is not fatal
|
|
* because many regions get created before a handler
|
|
* is installed for said region.
|
|
*/
|
|
if (AE_NOT_EXIST == Status)
|
|
{
|
|
Status = AE_OK;
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case AML_NAME_OP:
|
|
|
|
Status = AcpiDsCreateNode (WalkState, Node, Op);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
|
|
case AML_CLASS_INTERNAL:
|
|
|
|
/* case AML_INT_NAMEPATH_OP: */
|
|
break;
|
|
|
|
|
|
case AML_CLASS_METHOD_CALL:
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
|
|
"RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n",
|
|
WalkState, Op, Node));
|
|
|
|
/*
|
|
* Lookup the method name and save the Node
|
|
*/
|
|
Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Value.String,
|
|
ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS2,
|
|
ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
|
|
WalkState, &(NewNode));
|
|
if (ACPI_SUCCESS (Status))
|
|
{
|
|
/*
|
|
* Make sure that what we found is indeed a method
|
|
* We didn't search for a method on purpose, to see if the name would resolve
|
|
*/
|
|
if (NewNode->Type != ACPI_TYPE_METHOD)
|
|
{
|
|
Status = AE_AML_OPERAND_TYPE;
|
|
}
|
|
|
|
/* We could put the returned object (Node) on the object stack for later, but
|
|
* for now, we will put it in the "op" object that the parser uses, so we
|
|
* can get it again at the end of this scope
|
|
*/
|
|
Op->Node = NewNode;
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
|
|
Cleanup:
|
|
|
|
/* Remove the Node pushed at the very beginning */
|
|
|
|
WalkState->Operands[0] = NULL;
|
|
WalkState->NumOperands = 0;
|
|
return (Status);
|
|
}
|
|
|
|
|