506 lines
14 KiB
C
506 lines
14 KiB
C
/******************************************************************************
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*
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* Module Name: dmtables - disassembler ACPI table support
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2017, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include "aslcompiler.h"
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#include "acdispat.h"
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#include "acnamesp.h"
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#include "actables.h"
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#include "acparser.h"
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#include "acapps.h"
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#include "acmacros.h"
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#include "acconvert.h"
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#define _COMPONENT ACPI_TOOLS
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ACPI_MODULE_NAME ("dmtables")
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/* Local prototypes */
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static void
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AdCreateTableHeader (
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char *Filename,
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ACPI_TABLE_HEADER *Table);
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static ACPI_STATUS
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AdStoreTable (
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ACPI_TABLE_HEADER *Table,
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UINT32 *TableIndex);
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extern ACPI_TABLE_DESC LocalTables[1];
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extern ACPI_PARSE_OBJECT *AcpiGbl_ParseOpRoot;
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/******************************************************************************
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*
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* FUNCTION: AdDisassemblerHeader
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*
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* PARAMETERS: Filename - Input file for the table
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* TableType - Either AML or DataTable
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*
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* RETURN: None
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*
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* DESCRIPTION: Create the disassembler header, including ACPICA signon with
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* current time and date.
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*
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*****************************************************************************/
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void
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AdDisassemblerHeader (
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char *Filename,
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UINT8 TableType)
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{
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time_t Timer;
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time (&Timer);
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/* Header and input table info */
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AcpiOsPrintf ("/*\n");
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AcpiOsPrintf (ACPI_COMMON_HEADER (AML_DISASSEMBLER_NAME, " * "));
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if (TableType == ACPI_IS_AML_TABLE)
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{
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if (AcpiGbl_CstyleDisassembly)
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{
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AcpiOsPrintf (
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" * Disassembling to symbolic ASL+ operators\n"
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" *\n");
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}
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else
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{
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AcpiOsPrintf (
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" * Disassembling to non-symbolic legacy ASL operators\n"
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" *\n");
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}
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}
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AcpiOsPrintf (" * Disassembly of %s, %s", Filename, ctime (&Timer));
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AcpiOsPrintf (" *\n");
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}
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/******************************************************************************
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*
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* FUNCTION: AdCreateTableHeader
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*
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* PARAMETERS: Filename - Input file for the table
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* Table - Pointer to the raw table
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*
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* RETURN: None
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*
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* DESCRIPTION: Create the ASL table header, including ACPICA signon with
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* current time and date.
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*
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*****************************************************************************/
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static void
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AdCreateTableHeader (
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char *Filename,
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ACPI_TABLE_HEADER *Table)
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{
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UINT8 Checksum;
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/* Reset globals for External statements */
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AcpiGbl_NumExternalMethods = 0;
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AcpiGbl_ResolvedExternalMethods = 0;
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/*
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* Print file header and dump original table header
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*/
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AdDisassemblerHeader (Filename, ACPI_IS_AML_TABLE);
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AcpiOsPrintf (" * Original Table Header:\n");
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AcpiOsPrintf (" * Signature \"%4.4s\"\n", Table->Signature);
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AcpiOsPrintf (" * Length 0x%8.8X (%u)\n", Table->Length, Table->Length);
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/* Print and validate the revision */
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AcpiOsPrintf (" * Revision 0x%2.2X", Table->Revision);
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switch (Table->Revision)
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{
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case 0:
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AcpiOsPrintf (" **** Invalid Revision");
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break;
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case 1:
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/* Revision of DSDT controls the ACPI integer width */
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if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT))
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{
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AcpiOsPrintf (" **** 32-bit table (V1), no 64-bit math support");
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}
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break;
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default:
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break;
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}
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/* Print and validate the table checksum */
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AcpiOsPrintf ("\n * Checksum 0x%2.2X", Table->Checksum);
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Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), Table->Length);
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if (Checksum)
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{
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AcpiOsPrintf (" **** Incorrect checksum, should be 0x%2.2X",
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(UINT8) (Table->Checksum - Checksum));
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}
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AcpiOsPrintf ("\n");
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AcpiOsPrintf (" * OEM ID \"%.6s\"\n", Table->OemId);
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AcpiOsPrintf (" * OEM Table ID \"%.8s\"\n", Table->OemTableId);
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AcpiOsPrintf (" * OEM Revision 0x%8.8X (%u)\n", Table->OemRevision, Table->OemRevision);
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AcpiOsPrintf (" * Compiler ID \"%.4s\"\n", Table->AslCompilerId);
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AcpiOsPrintf (" * Compiler Version 0x%8.8X (%u)\n", Table->AslCompilerRevision, Table->AslCompilerRevision);
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AcpiOsPrintf (" */\n");
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/*
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* Print comments that come before this definition block.
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*/
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if (Gbl_CaptureComments)
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{
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ASL_CV_PRINT_ONE_COMMENT(AcpiGbl_ParseOpRoot,AML_COMMENT_STANDARD, NULL, 0);
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}
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/*
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* Open the ASL definition block.
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*
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* Note: the AMLFilename string is left zero-length in order to just let
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* the compiler create it when the disassembled file is compiled. This
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* makes it easier to rename the disassembled ASL file if needed.
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*/
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AcpiOsPrintf (
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"DefinitionBlock (\"\", \"%4.4s\", %hu, \"%.6s\", \"%.8s\", 0x%8.8X)\n",
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Table->Signature, Table->Revision,
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Table->OemId, Table->OemTableId, Table->OemRevision);
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}
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/******************************************************************************
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*
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* FUNCTION: AdDisplayTables
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*
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* PARAMETERS: Filename - Input file for the table
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* Table - Pointer to the raw table
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*
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* RETURN: Status
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*
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* DESCRIPTION: Display (disassemble) loaded tables and dump raw tables
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*
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*****************************************************************************/
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ACPI_STATUS
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AdDisplayTables (
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char *Filename,
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ACPI_TABLE_HEADER *Table)
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{
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if (!AcpiGbl_ParseOpRoot)
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{
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return (AE_NOT_EXIST);
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}
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if (!AcpiGbl_DmOpt_Listing)
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{
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AdCreateTableHeader (Filename, Table);
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}
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AcpiDmDisassemble (NULL, AcpiGbl_ParseOpRoot, ACPI_UINT32_MAX);
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MpEmitMappingInfo ();
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if (AcpiGbl_DmOpt_Listing)
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{
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AcpiOsPrintf ("\n\nTable Header:\n");
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AcpiUtDebugDumpBuffer ((UINT8 *) Table, sizeof (ACPI_TABLE_HEADER),
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DB_BYTE_DISPLAY, ACPI_UINT32_MAX);
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AcpiOsPrintf ("Table Body (Length 0x%X)\n", Table->Length);
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AcpiUtDebugDumpBuffer (((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)),
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Table->Length, DB_BYTE_DISPLAY, ACPI_UINT32_MAX);
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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: AdStoreTable
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*
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* PARAMETERS: Table - Table header
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* TableIndex - Where the table index is returned
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*
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* RETURN: Status and table index.
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*
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* DESCRIPTION: Add an ACPI table to the global table list
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*
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******************************************************************************/
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static ACPI_STATUS
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AdStoreTable (
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ACPI_TABLE_HEADER *Table,
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UINT32 *TableIndex)
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{
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ACPI_STATUS Status;
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ACPI_TABLE_DESC *TableDesc;
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Status = AcpiTbGetNextTableDescriptor (TableIndex, &TableDesc);
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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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/* Initialize added table */
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AcpiTbInitTableDescriptor (TableDesc, ACPI_PTR_TO_PHYSADDR (Table),
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ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, Table);
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Status = AcpiTbValidateTable (TableDesc);
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return (Status);
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}
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/******************************************************************************
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*
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* FUNCTION: AdGetLocalTables
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*
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* PARAMETERS: None
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*
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* RETURN: Status
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*
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* DESCRIPTION: Get the ACPI tables from either memory or a file
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*
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*****************************************************************************/
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ACPI_STATUS
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AdGetLocalTables (
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void)
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{
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ACPI_STATUS Status;
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ACPI_TABLE_HEADER TableHeader;
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ACPI_TABLE_HEADER *NewTable;
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UINT32 TableIndex;
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/* Get the DSDT via table override */
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ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_DSDT);
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AcpiOsTableOverride (&TableHeader, &NewTable);
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if (!NewTable)
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{
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fprintf (stderr, "Could not obtain DSDT\n");
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return (AE_NO_ACPI_TABLES);
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}
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AdWriteTable (NewTable, NewTable->Length,
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ACPI_SIG_DSDT, NewTable->OemTableId);
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/* Store DSDT in the Table Manager */
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Status = AdStoreTable (NewTable, &TableIndex);
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if (ACPI_FAILURE (Status))
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{
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fprintf (stderr, "Could not store DSDT\n");
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return (AE_NO_ACPI_TABLES);
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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: AdParseTable
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*
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* PARAMETERS: Table - Pointer to the raw table
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* OwnerId - Returned OwnerId of the table
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* LoadTable - If add table to the global table list
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* External - If this is an external table
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*
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* RETURN: Status
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*
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* DESCRIPTION: Parse an ACPI AML table
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*
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*****************************************************************************/
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ACPI_STATUS
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AdParseTable (
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ACPI_TABLE_HEADER *Table,
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ACPI_OWNER_ID *OwnerId,
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BOOLEAN LoadTable,
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BOOLEAN External)
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{
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ACPI_STATUS Status = AE_OK;
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ACPI_WALK_STATE *WalkState;
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UINT8 *AmlStart;
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UINT32 AmlLength;
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UINT32 TableIndex;
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if (!Table)
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{
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return (AE_NOT_EXIST);
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}
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/* Pass 1: Parse everything except control method bodies */
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fprintf (stderr, "Pass 1 parse of [%4.4s]\n", (char *) Table->Signature);
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AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER);
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AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER));
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ASL_CV_INIT_FILETREE(Table, AmlStart, AmlLength);
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/* Create the root object */
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AcpiGbl_ParseOpRoot = AcpiPsCreateScopeOp (AmlStart);
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if (!AcpiGbl_ParseOpRoot)
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{
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return (AE_NO_MEMORY);
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}
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#ifdef ACPI_ASL_COMPILER
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if (Gbl_CaptureComments)
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{
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AcpiGbl_ParseOpRoot->Common.CvFilename = AcpiGbl_FileTreeRoot->Filename;
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}
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else
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{
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AcpiGbl_ParseOpRoot->Common.CvFilename = NULL;
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}
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#endif
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/* Create and initialize a new walk state */
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WalkState = AcpiDsCreateWalkState (0, AcpiGbl_ParseOpRoot, NULL, NULL);
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if (!WalkState)
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{
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return (AE_NO_MEMORY);
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}
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Status = AcpiDsInitAmlWalk (WalkState, AcpiGbl_ParseOpRoot,
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NULL, AmlStart, AmlLength, NULL, ACPI_IMODE_LOAD_PASS1);
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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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WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE;
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WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE;
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Status = AcpiPsParseAml (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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/* If LoadTable is FALSE, we are parsing the last loaded table */
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TableIndex = AcpiGbl_RootTableList.CurrentTableCount - 1;
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/* Pass 2 */
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if (LoadTable)
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{
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Status = AdStoreTable (Table, &TableIndex);
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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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Status = AcpiTbAllocateOwnerId (TableIndex);
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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 (OwnerId)
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{
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Status = AcpiTbGetOwnerId (TableIndex, OwnerId);
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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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}
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fprintf (stderr, "Pass 2 parse of [%4.4s]\n", (char *) Table->Signature);
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Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2, TableIndex, NULL);
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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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/* No need to parse control methods of external table */
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if (External)
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{
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return (AE_OK);
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}
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/*
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* Pass 3: Parse control methods and link their parse trees
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* into the main parse tree
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*/
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fprintf (stderr,
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"Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)\n");
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Status = AcpiDmParseDeferredOps (AcpiGbl_ParseOpRoot);
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fprintf (stderr, "\n");
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/* Process Resource Templates */
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AcpiDmFindResources (AcpiGbl_ParseOpRoot);
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fprintf (stderr, "Parsing completed\n");
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return (AE_OK);
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}
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