528 lines
13 KiB
C
528 lines
13 KiB
C
/*******************************************************************************
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*
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* Module Name: dbutils - AML debugger utilities
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*
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******************************************************************************/
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/*
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* Copyright (C) 2000 - 2011, 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 "acpi.h"
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#include "accommon.h"
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#include "acnamesp.h"
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#include "acdebug.h"
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#include "acdisasm.h"
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#ifdef ACPI_DEBUGGER
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#define _COMPONENT ACPI_CA_DEBUGGER
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ACPI_MODULE_NAME ("dbutils")
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/* Local prototypes */
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#ifdef ACPI_OBSOLETE_FUNCTIONS
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ACPI_STATUS
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AcpiDbSecondPassParse (
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ACPI_PARSE_OBJECT *Root);
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void
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AcpiDbDumpBuffer (
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UINT32 Address);
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#endif
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static char *Converter = "0123456789ABCDEF";
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbMatchArgument
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*
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* PARAMETERS: UserArgument - User command line
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* Arguments - Array of commands to match against
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*
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* RETURN: Index into command array or ACPI_TYPE_NOT_FOUND if not found
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*
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* DESCRIPTION: Search command array for a command match
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*
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******************************************************************************/
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ACPI_OBJECT_TYPE
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AcpiDbMatchArgument (
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char *UserArgument,
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ARGUMENT_INFO *Arguments)
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{
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UINT32 i;
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if (!UserArgument || UserArgument[0] == 0)
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{
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return (ACPI_TYPE_NOT_FOUND);
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}
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for (i = 0; Arguments[i].Name; i++)
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{
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if (ACPI_STRSTR (Arguments[i].Name, UserArgument) == Arguments[i].Name)
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{
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return (i);
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}
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}
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/* Argument not recognized */
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return (ACPI_TYPE_NOT_FOUND);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbSetOutputDestination
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*
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* PARAMETERS: OutputFlags - Current flags word
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*
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* RETURN: None
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*
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* DESCRIPTION: Set the current destination for debugger output. Also sets
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* the debug output level accordingly.
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*
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******************************************************************************/
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void
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AcpiDbSetOutputDestination (
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UINT32 OutputFlags)
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{
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AcpiGbl_DbOutputFlags = (UINT8) OutputFlags;
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if ((OutputFlags & ACPI_DB_REDIRECTABLE_OUTPUT) && AcpiGbl_DbOutputToFile)
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{
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AcpiDbgLevel = AcpiGbl_DbDebugLevel;
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}
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else
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{
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AcpiDbgLevel = AcpiGbl_DbConsoleDebugLevel;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbDumpExternalObject
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*
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* PARAMETERS: ObjDesc - External ACPI object to dump
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* Level - Nesting level.
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*
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* RETURN: None
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*
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* DESCRIPTION: Dump the contents of an ACPI external object
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*
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******************************************************************************/
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void
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AcpiDbDumpExternalObject (
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ACPI_OBJECT *ObjDesc,
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UINT32 Level)
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{
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UINT32 i;
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if (!ObjDesc)
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{
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AcpiOsPrintf ("[Null Object]\n");
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return;
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}
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for (i = 0; i < Level; i++)
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{
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AcpiOsPrintf (" ");
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}
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switch (ObjDesc->Type)
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{
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case ACPI_TYPE_ANY:
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AcpiOsPrintf ("[Null Object] (Type=0)\n");
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break;
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case ACPI_TYPE_INTEGER:
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AcpiOsPrintf ("[Integer] = %8.8X%8.8X\n",
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ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
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break;
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case ACPI_TYPE_STRING:
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AcpiOsPrintf ("[String] Length %.2X = ", ObjDesc->String.Length);
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for (i = 0; i < ObjDesc->String.Length; i++)
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{
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AcpiOsPrintf ("%c", ObjDesc->String.Pointer[i]);
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}
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AcpiOsPrintf ("\n");
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break;
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case ACPI_TYPE_BUFFER:
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AcpiOsPrintf ("[Buffer] Length %.2X = ", ObjDesc->Buffer.Length);
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if (ObjDesc->Buffer.Length)
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{
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if (ObjDesc->Buffer.Length > 16)
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{
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AcpiOsPrintf ("\n");
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}
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AcpiUtDumpBuffer (ACPI_CAST_PTR (UINT8, ObjDesc->Buffer.Pointer),
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ObjDesc->Buffer.Length, DB_DWORD_DISPLAY, _COMPONENT);
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}
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else
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{
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AcpiOsPrintf ("\n");
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}
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break;
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case ACPI_TYPE_PACKAGE:
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AcpiOsPrintf ("[Package] Contains %u Elements:\n",
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ObjDesc->Package.Count);
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for (i = 0; i < ObjDesc->Package.Count; i++)
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{
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AcpiDbDumpExternalObject (&ObjDesc->Package.Elements[i], Level+1);
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}
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break;
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case ACPI_TYPE_LOCAL_REFERENCE:
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AcpiOsPrintf ("[Object Reference] = ");
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AcpiDmDisplayInternalObject (ObjDesc->Reference.Handle, NULL);
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break;
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case ACPI_TYPE_PROCESSOR:
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AcpiOsPrintf ("[Processor]\n");
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break;
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case ACPI_TYPE_POWER:
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AcpiOsPrintf ("[Power Resource]\n");
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break;
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default:
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AcpiOsPrintf ("[Unknown Type] %X\n", ObjDesc->Type);
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break;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbPrepNamestring
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*
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* PARAMETERS: Name - String to prepare
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*
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* RETURN: None
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*
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* DESCRIPTION: Translate all forward slashes and dots to backslashes.
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*
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******************************************************************************/
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void
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AcpiDbPrepNamestring (
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char *Name)
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{
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if (!Name)
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{
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return;
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}
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AcpiUtStrupr (Name);
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/* Convert a leading forward slash to a backslash */
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if (*Name == '/')
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{
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*Name = '\\';
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}
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/* Ignore a leading backslash, this is the root prefix */
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if (*Name == '\\')
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{
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Name++;
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}
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/* Convert all slash path separators to dots */
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while (*Name)
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{
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if ((*Name == '/') ||
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(*Name == '\\'))
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{
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*Name = '.';
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}
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Name++;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbLocalNsLookup
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*
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* PARAMETERS: Name - Name to lookup
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*
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* RETURN: Pointer to a namespace node, null on failure
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*
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* DESCRIPTION: Lookup a name in the ACPI namespace
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*
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* Note: Currently begins search from the root. Could be enhanced to use
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* the current prefix (scope) node as the search beginning point.
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*
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******************************************************************************/
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ACPI_NAMESPACE_NODE *
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AcpiDbLocalNsLookup (
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char *Name)
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{
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char *InternalPath;
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ACPI_STATUS Status;
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ACPI_NAMESPACE_NODE *Node = NULL;
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AcpiDbPrepNamestring (Name);
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/* Build an internal namestring */
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Status = AcpiNsInternalizeName (Name, &InternalPath);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("Invalid namestring: %s\n", Name);
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return (NULL);
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}
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/*
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* Lookup the name.
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* (Uses root node as the search starting point)
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*/
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Status = AcpiNsLookup (NULL, InternalPath, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
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ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE, NULL, &Node);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("Could not locate name: %s, %s\n",
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Name, AcpiFormatException (Status));
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}
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ACPI_FREE (InternalPath);
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return (Node);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbUInt32ToHexString
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*
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* PARAMETERS: Value - The value to be converted to string
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* Buffer - Buffer for result (not less than 11 bytes)
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*
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* RETURN: None
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*
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* DESCRIPTION: Convert the unsigned 32-bit value to the hexadecimal image
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*
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* NOTE: It is the caller's responsibility to ensure that the length of buffer
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* is sufficient.
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*
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******************************************************************************/
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void
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AcpiDbUInt32ToHexString (
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UINT32 Value,
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char *Buffer)
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{
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UINT8 i;
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if (Value == 0)
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{
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ACPI_STRCPY (Buffer, "0");
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return;
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}
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ACPI_STRCPY (Buffer, "0x");
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Buffer[10] = '\0';
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for (i = 9; i > 1; i--)
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{
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Buffer[i] = Converter [Value & 0x0F];
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Value = Value >> 4;
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}
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}
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#ifdef ACPI_OBSOLETE_FUNCTIONS
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbSecondPassParse
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*
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* PARAMETERS: Root - Root of the parse tree
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*
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* RETURN: Status
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*
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* DESCRIPTION: Second pass parse of the ACPI tables. We need to wait until
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* second pass to parse the control methods
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiDbSecondPassParse (
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ACPI_PARSE_OBJECT *Root)
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{
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ACPI_PARSE_OBJECT *Op = Root;
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ACPI_PARSE_OBJECT *Method;
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ACPI_PARSE_OBJECT *SearchOp;
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ACPI_PARSE_OBJECT *StartOp;
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ACPI_STATUS Status = AE_OK;
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UINT32 BaseAmlOffset;
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ACPI_WALK_STATE *WalkState;
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ACPI_FUNCTION_ENTRY ();
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AcpiOsPrintf ("Pass two parse ....\n");
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while (Op)
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{
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if (Op->Common.AmlOpcode == AML_METHOD_OP)
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{
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Method = Op;
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/* Create a new walk state for the parse */
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WalkState = AcpiDsCreateWalkState (0, NULL, 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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/* Init the Walk State */
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WalkState->ParserState.Aml =
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WalkState->ParserState.AmlStart = Method->Named.Data;
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WalkState->ParserState.AmlEnd =
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WalkState->ParserState.PkgEnd = Method->Named.Data +
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Method->Named.Length;
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WalkState->ParserState.StartScope = Op;
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WalkState->DescendingCallback = AcpiDsLoad1BeginOp;
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WalkState->AscendingCallback = AcpiDsLoad1EndOp;
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/* Perform the AML parse */
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Status = AcpiPsParseAml (WalkState);
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BaseAmlOffset = (Method->Common.Value.Arg)->Common.AmlOffset + 1;
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StartOp = (Method->Common.Value.Arg)->Common.Next;
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SearchOp = StartOp;
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while (SearchOp)
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{
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SearchOp->Common.AmlOffset += BaseAmlOffset;
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SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp);
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}
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}
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if (Op->Common.AmlOpcode == AML_REGION_OP)
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{
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/* TBD: [Investigate] this isn't quite the right thing to do! */
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/*
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*
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* Method = (ACPI_DEFERRED_OP *) Op;
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* Status = AcpiPsParseAml (Op, Method->Body, Method->BodyLength);
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*/
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}
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if (ACPI_FAILURE (Status))
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{
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break;
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}
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Op = AcpiPsGetDepthNext (Root, Op);
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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: AcpiDbDumpBuffer
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*
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* PARAMETERS: Address - Pointer to the buffer
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*
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* RETURN: None
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*
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* DESCRIPTION: Print a portion of a buffer
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*
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******************************************************************************/
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void
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AcpiDbDumpBuffer (
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UINT32 Address)
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{
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AcpiOsPrintf ("\nLocation %X:\n", Address);
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AcpiDbgLevel |= ACPI_LV_TABLES;
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AcpiUtDumpBuffer (ACPI_TO_POINTER (Address), 64, DB_BYTE_DISPLAY,
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ACPI_UINT32_MAX);
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}
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#endif
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#endif /* ACPI_DEBUGGER */
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