424 lines
18 KiB
C
424 lines
18 KiB
C
/******************************************************************************
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*
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* Module Name: utglobal - Global variables for the ACPI subsystem
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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 - 2011, 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 __UTGLOBAL_C__
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#define DEFINE_ACPI_GLOBALS
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#include "acpi.h"
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#include "accommon.h"
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME ("utglobal")
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/*******************************************************************************
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*
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* Static global variable initialization.
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*
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******************************************************************************/
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/*
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* We want the debug switches statically initialized so they
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* are already set when the debugger is entered.
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*/
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/* Debug switch - level and trace mask */
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#ifdef ACPI_DEBUG_OUTPUT
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UINT32 AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
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#else
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UINT32 AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
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#endif
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/* Debug switch - layer (component) mask */
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UINT32 AcpiDbgLayer = ACPI_COMPONENT_DEFAULT;
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UINT32 AcpiGbl_NestingLevel = 0;
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/* Debugger globals */
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BOOLEAN AcpiGbl_DbTerminateThreads = FALSE;
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BOOLEAN AcpiGbl_AbortMethod = FALSE;
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BOOLEAN AcpiGbl_MethodExecuting = FALSE;
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/* System flags */
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UINT32 AcpiGbl_StartupFlags = 0;
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/* System starts uninitialized */
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BOOLEAN AcpiGbl_Shutdown = TRUE;
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const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
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{
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"\\_S0_",
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"\\_S1_",
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"\\_S2_",
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"\\_S3_",
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"\\_S4_",
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"\\_S5_"
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};
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const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
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{
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"_S0W",
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"_S1W",
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"_S2W",
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"_S3W",
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"_S4W"
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};
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const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
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{
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"_S1D",
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"_S2D",
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"_S3D",
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"_S4D"
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};
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/*******************************************************************************
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*
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* Namespace globals
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*
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******************************************************************************/
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/*
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* Predefined ACPI Names (Built-in to the Interpreter)
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*
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* NOTES:
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* 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
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* during the initialization sequence.
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* 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
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* perform a Notify() operation on it. 09/2010: Changed to type Device.
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* This still allows notifies, but does not confuse host code that
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* searches for valid ThermalZone objects.
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*/
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const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] =
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{
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{"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_SB_", ACPI_TYPE_DEVICE, NULL},
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{"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_TZ_", ACPI_TYPE_DEVICE, NULL},
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{"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL},
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{"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
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{"_GL_", ACPI_TYPE_MUTEX, (char *) 1},
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#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
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{"_OSI", ACPI_TYPE_METHOD, (char *) 1},
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#endif
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/* Table terminator */
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{NULL, ACPI_TYPE_ANY, NULL}
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};
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/******************************************************************************
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*
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* Event and Hardware globals
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*
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******************************************************************************/
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ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
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{
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/* Name Parent Register Register Bit Position Register Bit Mask */
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/* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS},
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/* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS},
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/* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS},
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/* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS},
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/* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS},
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/* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS},
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/* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS},
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/* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS},
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/* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE},
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/* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
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/* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE},
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/* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
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/* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE},
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/* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
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/* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE},
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/* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD},
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/* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
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/* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE, ACPI_BITMASK_SLEEP_TYPE},
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/* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE},
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/* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE}
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};
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ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
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{
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/* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE},
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/* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
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/* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE},
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/* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
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/* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE},
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};
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtInitGlobals
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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: Init ACPICA globals. All globals that require specific
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* initialization should be initialized here!
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiUtInitGlobals (
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void)
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{
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ACPI_STATUS Status;
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UINT32 i;
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ACPI_FUNCTION_TRACE (UtInitGlobals);
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/* Create all memory caches */
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Status = AcpiUtCreateCaches ();
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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/* Mutex locked flags */
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for (i = 0; i < ACPI_NUM_MUTEX; i++)
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{
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AcpiGbl_MutexInfo[i].Mutex = NULL;
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AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
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AcpiGbl_MutexInfo[i].UseCount = 0;
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}
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for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
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{
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AcpiGbl_OwnerIdMask[i] = 0;
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}
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/* Last OwnerID is never valid */
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AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
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/* Event counters */
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AcpiMethodCount = 0;
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AcpiSciCount = 0;
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AcpiGpeCount = 0;
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for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
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{
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AcpiFixedEventCount[i] = 0;
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}
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/* GPE support */
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AcpiGbl_AllGpesInitialized = FALSE;
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AcpiGbl_GpeXruptListHead = NULL;
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AcpiGbl_GpeFadtBlocks[0] = NULL;
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AcpiGbl_GpeFadtBlocks[1] = NULL;
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AcpiCurrentGpeCount = 0;
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/* Global handlers */
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AcpiGbl_SystemNotify.Handler = NULL;
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AcpiGbl_DeviceNotify.Handler = NULL;
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AcpiGbl_ExceptionHandler = NULL;
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AcpiGbl_InitHandler = NULL;
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AcpiGbl_TableHandler = NULL;
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AcpiGbl_InterfaceHandler = NULL;
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AcpiGbl_GlobalEventHandler = NULL;
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/* Global Lock support */
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AcpiGbl_GlobalLockSemaphore = NULL;
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AcpiGbl_GlobalLockMutex = NULL;
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AcpiGbl_GlobalLockAcquired = FALSE;
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AcpiGbl_GlobalLockHandle = 0;
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AcpiGbl_GlobalLockPresent = FALSE;
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/* Miscellaneous variables */
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AcpiGbl_DSDT = NULL;
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AcpiGbl_CmSingleStep = FALSE;
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AcpiGbl_DbTerminateThreads = FALSE;
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AcpiGbl_Shutdown = FALSE;
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AcpiGbl_NsLookupCount = 0;
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AcpiGbl_PsFindCount = 0;
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AcpiGbl_AcpiHardwarePresent = TRUE;
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AcpiGbl_LastOwnerIdIndex = 0;
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AcpiGbl_NextOwnerIdOffset = 0;
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AcpiGbl_TraceMethodName = 0;
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AcpiGbl_TraceDbgLevel = 0;
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AcpiGbl_TraceDbgLayer = 0;
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AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING;
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AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT;
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AcpiGbl_OsiData = 0;
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AcpiGbl_OsiMutex = NULL;
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AcpiGbl_RegMethodsExecuted = FALSE;
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/* Hardware oriented */
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AcpiGbl_EventsInitialized = FALSE;
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AcpiGbl_SystemAwakeAndRunning = TRUE;
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/* Namespace */
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AcpiGbl_ModuleCodeList = NULL;
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AcpiGbl_RootNode = NULL;
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AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
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AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
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AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE;
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AcpiGbl_RootNodeStruct.Parent = NULL;
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AcpiGbl_RootNodeStruct.Child = NULL;
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AcpiGbl_RootNodeStruct.Peer = NULL;
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AcpiGbl_RootNodeStruct.Object = NULL;
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#ifdef ACPI_DISASSEMBLER
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AcpiGbl_ExternalList = NULL;
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#endif
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#ifdef ACPI_DEBUG_OUTPUT
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AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
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#endif
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#ifdef ACPI_DBG_TRACK_ALLOCATIONS
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AcpiGbl_DisplayFinalMemStats = FALSE;
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AcpiGbl_DisableMemTracking = FALSE;
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#endif
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return_ACPI_STATUS (AE_OK);
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}
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/* Public globals */
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ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
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ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
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ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
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ACPI_EXPORT_SYMBOL (AcpiGpeCount)
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ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)
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