- 99% of the code is Intel's ACPICA. The license is compliant with BSD and GNU and virtually all systems that use ACPI use this code, For instance it is part of the Linux kernel. - The only minix specific files are acpi.c osminixxf.c platform/acminix.h and include/minix/acpi.h - At the moment the driver does not register interrupt hooks which I believe is mainly for handling PnP, events like "battery level is low" and power management. Should not be difficult to add it if need be. - The interface to the outside world is virtually non-existent except a trivial message based service for PCI driver to query which device is connected to what IRQ line. This will evolve as more components start using this driver. VM, Scheduler and IOMMU are the possible users right now. - because of dependency on a native 64bit (long long, part of c99) it is compiled only with a gnu-like compilers which in case of Minix includes gcc llvm-gcc and clang
520 lines
21 KiB
C
520 lines
21 KiB
C
/******************************************************************************
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*
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* Name: acglobal.h - Declarations for global variables
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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 - 2010, 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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#ifndef __ACGLOBAL_H__
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#define __ACGLOBAL_H__
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/*
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* Ensure that the globals are actually defined and initialized only once.
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*
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* The use of these macros allows a single list of globals (here) in order
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* to simplify maintenance of the code.
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*/
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#ifdef DEFINE_ACPI_GLOBALS
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#define ACPI_EXTERN
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#define ACPI_INIT_GLOBAL(a,b) a=b
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#else
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#define ACPI_EXTERN extern
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#define ACPI_INIT_GLOBAL(a,b) a
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#endif
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#ifdef DEFINE_ACPI_GLOBALS
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/* Public globals, available from outside ACPICA subsystem */
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/*****************************************************************************
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*
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* Runtime configuration (static defaults that can be overriden at runtime)
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*
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****************************************************************************/
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/*
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* Enable "slack" in the AML interpreter? Default is FALSE, and the
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* interpreter strictly follows the ACPI specification. Setting to TRUE
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* allows the interpreter to ignore certain errors and/or bad AML constructs.
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*
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* Currently, these features are enabled by this flag:
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*
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* 1) Allow "implicit return" of last value in a control method
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* 2) Allow access beyond the end of an operation region
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* 3) Allow access to uninitialized locals/args (auto-init to integer 0)
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* 4) Allow ANY object type to be a source operand for the Store() operator
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* 5) Allow unresolved references (invalid target name) in package objects
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* 6) Enable warning messages for behavior that is not ACPI spec compliant
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*/
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UINT8 ACPI_INIT_GLOBAL (AcpiGbl_EnableInterpreterSlack, FALSE);
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/*
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* Automatically serialize ALL control methods? Default is FALSE, meaning
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* to use the Serialized/NotSerialized method flags on a per method basis.
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* Only change this if the ASL code is poorly written and cannot handle
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* reentrancy even though methods are marked "NotSerialized".
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*/
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UINT8 ACPI_INIT_GLOBAL (AcpiGbl_AllMethodsSerialized, FALSE);
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/*
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* Create the predefined _OSI method in the namespace? Default is TRUE
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* because ACPI CA is fully compatible with other ACPI implementations.
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* Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
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*/
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UINT8 ACPI_INIT_GLOBAL (AcpiGbl_CreateOsiMethod, TRUE);
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/*
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* Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
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* RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
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* be enabled just before going to sleep.
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*/
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UINT8 ACPI_INIT_GLOBAL (AcpiGbl_LeaveWakeGpesDisabled, TRUE);
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/*
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* Optionally use default values for the ACPI register widths. Set this to
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* TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
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*/
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UINT8 ACPI_INIT_GLOBAL (AcpiGbl_UseDefaultRegisterWidths, TRUE);
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/*
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* Optionally enable output from the AML Debug Object.
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*/
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UINT8 ACPI_INIT_GLOBAL (AcpiGbl_EnableAmlDebugObject, FALSE);
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/*
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* Optionally copy the entire DSDT to local memory (instead of simply
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* mapping it.) There are some BIOSs that corrupt or replace the original
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* DSDT, creating the need for this option. Default is FALSE, do not copy
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* the DSDT.
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*/
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UINT8 ACPI_INIT_GLOBAL (AcpiGbl_CopyDsdtLocally, FALSE);
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/*
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* Optionally truncate I/O addresses to 16 bits. Provides compatibility
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* with other ACPI implementations. NOTE: During ACPICA initialization,
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* this value is set to TRUE if any Windows OSI strings have been
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* requested by the BIOS.
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*/
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UINT8 ACPI_INIT_GLOBAL (AcpiGbl_TruncateIoAddresses, FALSE);
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/* AcpiGbl_FADT is a local copy of the FADT, converted to a common format. */
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ACPI_TABLE_FADT AcpiGbl_FADT;
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UINT32 AcpiCurrentGpeCount;
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UINT32 AcpiGbl_TraceFlags;
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ACPI_NAME AcpiGbl_TraceMethodName;
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#endif
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/*****************************************************************************
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*
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* ACPI Table globals
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*
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****************************************************************************/
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/*
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* AcpiGbl_RootTableList is the master list of ACPI tables that were
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* found in the RSDT/XSDT.
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*/
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ACPI_EXTERN ACPI_TABLE_LIST AcpiGbl_RootTableList;
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ACPI_EXTERN ACPI_TABLE_FACS *AcpiGbl_FACS;
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/* These addresses are calculated from the FADT Event Block addresses */
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ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aStatus;
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ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aEnable;
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ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bStatus;
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ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bEnable;
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/* DSDT information. Used to check for DSDT corruption */
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ACPI_EXTERN ACPI_TABLE_HEADER *AcpiGbl_DSDT;
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ACPI_EXTERN ACPI_TABLE_HEADER AcpiGbl_OriginalDsdtHeader;
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/*
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* Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is
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* determined by the revision of the DSDT: If the DSDT revision is less than
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* 2, use only the lower 32 bits of the internal 64-bit Integer.
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*/
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ACPI_EXTERN UINT8 AcpiGbl_IntegerBitWidth;
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ACPI_EXTERN UINT8 AcpiGbl_IntegerByteWidth;
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ACPI_EXTERN UINT8 AcpiGbl_IntegerNybbleWidth;
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/*****************************************************************************
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*
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* Mutual exlusion within ACPICA subsystem
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*
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****************************************************************************/
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/*
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* Predefined mutex objects. This array contains the
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* actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
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* (The table maps local handles to the real OS handles)
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*/
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ACPI_EXTERN ACPI_MUTEX_INFO AcpiGbl_MutexInfo[ACPI_NUM_MUTEX];
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/*
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* Global lock mutex is an actual AML mutex object
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* Global lock semaphore works in conjunction with the HW global lock
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*/
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ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_GlobalLockMutex;
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ACPI_EXTERN ACPI_SEMAPHORE AcpiGbl_GlobalLockSemaphore;
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ACPI_EXTERN UINT16 AcpiGbl_GlobalLockHandle;
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ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockAcquired;
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ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPresent;
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/*
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* Spinlocks are used for interfaces that can be possibly called at
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* interrupt level
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*/
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ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GpeLock; /* For GPE data structs and registers */
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ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_HardwareLock; /* For ACPI H/W except GPE registers */
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/* Reader/Writer lock is used for namespace walk and dynamic table unload */
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ACPI_EXTERN ACPI_RW_LOCK AcpiGbl_NamespaceRwLock;
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/*****************************************************************************
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*
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* Miscellaneous globals
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*
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****************************************************************************/
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/* Object caches */
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ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_NamespaceCache;
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ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_StateCache;
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ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeCache;
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ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeExtCache;
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ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_OperandCache;
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/* Global handlers */
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ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_DeviceNotify;
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ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_SystemNotify;
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ACPI_EXTERN ACPI_EXCEPTION_HANDLER AcpiGbl_ExceptionHandler;
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ACPI_EXTERN ACPI_INIT_HANDLER AcpiGbl_InitHandler;
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ACPI_EXTERN ACPI_TABLE_HANDLER AcpiGbl_TableHandler;
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ACPI_EXTERN void *AcpiGbl_TableHandlerContext;
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ACPI_EXTERN ACPI_WALK_STATE *AcpiGbl_BreakpointWalk;
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/* Owner ID support */
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ACPI_EXTERN UINT32 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS];
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ACPI_EXTERN UINT8 AcpiGbl_LastOwnerIdIndex;
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ACPI_EXTERN UINT8 AcpiGbl_NextOwnerIdOffset;
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/* Misc */
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ACPI_EXTERN UINT32 AcpiGbl_OriginalMode;
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ACPI_EXTERN UINT32 AcpiGbl_RsdpOriginalLocation;
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ACPI_EXTERN UINT32 AcpiGbl_NsLookupCount;
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ACPI_EXTERN UINT32 AcpiGbl_PsFindCount;
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ACPI_EXTERN UINT16 AcpiGbl_Pm1EnableRegisterSave;
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ACPI_EXTERN UINT8 AcpiGbl_DebuggerConfiguration;
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ACPI_EXTERN BOOLEAN AcpiGbl_StepToNextCall;
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ACPI_EXTERN BOOLEAN AcpiGbl_AcpiHardwarePresent;
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ACPI_EXTERN BOOLEAN AcpiGbl_EventsInitialized;
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ACPI_EXTERN BOOLEAN AcpiGbl_SystemAwakeAndRunning;
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ACPI_EXTERN UINT8 AcpiGbl_OsiData;
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#ifndef DEFINE_ACPI_GLOBALS
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/* Exception codes */
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extern char const *AcpiGbl_ExceptionNames_Env[];
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extern char const *AcpiGbl_ExceptionNames_Pgm[];
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extern char const *AcpiGbl_ExceptionNames_Tbl[];
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extern char const *AcpiGbl_ExceptionNames_Aml[];
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extern char const *AcpiGbl_ExceptionNames_Ctrl[];
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/* Other miscellaneous */
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extern BOOLEAN AcpiGbl_Shutdown;
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extern UINT32 AcpiGbl_StartupFlags;
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extern const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT];
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extern const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS];
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extern const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS];
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extern const ACPI_OPCODE_INFO AcpiGbl_AmlOpInfo[AML_NUM_OPCODES];
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extern const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS];
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#endif
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#ifdef ACPI_DBG_TRACK_ALLOCATIONS
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/* Lists for tracking memory allocations */
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ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_GlobalList;
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ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_NsNodeList;
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ACPI_EXTERN BOOLEAN AcpiGbl_DisplayFinalMemStats;
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ACPI_EXTERN BOOLEAN AcpiGbl_DisableMemTracking;
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#endif
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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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#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
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#define NUM_PREDEFINED_NAMES 10
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#else
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#define NUM_PREDEFINED_NAMES 9
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#endif
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ACPI_EXTERN ACPI_NAMESPACE_NODE AcpiGbl_RootNodeStruct;
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ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_RootNode;
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ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_FadtGpeDevice;
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ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_ModuleCodeList;
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extern const UINT8 AcpiGbl_NsProperties [ACPI_NUM_NS_TYPES];
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extern const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES];
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#ifdef ACPI_DEBUG_OUTPUT
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ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeCount;
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ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeSize;
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ACPI_EXTERN UINT32 AcpiGbl_MaxConcurrentNodeCount;
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ACPI_EXTERN ACPI_SIZE *AcpiGbl_EntryStackPointer;
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ACPI_EXTERN ACPI_SIZE *AcpiGbl_LowestStackPointer;
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ACPI_EXTERN UINT32 AcpiGbl_DeepestNesting;
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#endif
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/*****************************************************************************
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*
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* Interpreter globals
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*
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****************************************************************************/
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ACPI_EXTERN ACPI_THREAD_STATE *AcpiGbl_CurrentWalkList;
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/* Control method single step flag */
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ACPI_EXTERN UINT8 AcpiGbl_CmSingleStep;
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/*****************************************************************************
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*
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* Hardware globals
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*
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****************************************************************************/
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extern ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG];
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ACPI_EXTERN UINT8 AcpiGbl_SleepTypeA;
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ACPI_EXTERN UINT8 AcpiGbl_SleepTypeB;
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/*****************************************************************************
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*
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* Event and GPE globals
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*
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****************************************************************************/
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extern ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS];
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ACPI_EXTERN ACPI_FIXED_EVENT_HANDLER AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS];
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ACPI_EXTERN ACPI_GPE_XRUPT_INFO *AcpiGbl_GpeXruptListHead;
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ACPI_EXTERN ACPI_GPE_BLOCK_INFO *AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS];
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/*****************************************************************************
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*
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* Debug support
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*
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****************************************************************************/
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/* Procedure nesting level for debug output */
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extern UINT32 AcpiGbl_NestingLevel;
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/* Event counters */
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ACPI_EXTERN UINT32 AcpiMethodCount;
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ACPI_EXTERN UINT32 AcpiGpeCount;
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ACPI_EXTERN UINT32 AcpiSciCount;
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ACPI_EXTERN UINT32 AcpiFixedEventCount[ACPI_NUM_FIXED_EVENTS];
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/* Support for dynamic control method tracing mechanism */
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ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLevel;
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ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLayer;
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ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLevel;
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ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLayer;
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/*****************************************************************************
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*
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* Debugger globals
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*
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****************************************************************************/
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ACPI_EXTERN UINT8 AcpiGbl_DbOutputFlags;
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#ifdef ACPI_DISASSEMBLER
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ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_disasm;
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ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_verbose;
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ACPI_EXTERN ACPI_EXTERNAL_LIST *AcpiGbl_ExternalList;
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#endif
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#ifdef ACPI_DEBUGGER
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extern BOOLEAN AcpiGbl_MethodExecuting;
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extern BOOLEAN AcpiGbl_AbortMethod;
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extern BOOLEAN AcpiGbl_DbTerminateThreads;
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ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_tables;
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ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_stats;
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ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_ini_methods;
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ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_NoRegionSupport;
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ACPI_EXTERN char *AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS];
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ACPI_EXTERN char AcpiGbl_DbLineBuf[80];
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ACPI_EXTERN char AcpiGbl_DbParsedBuf[80];
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ACPI_EXTERN char AcpiGbl_DbScopeBuf[40];
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ACPI_EXTERN char AcpiGbl_DbDebugFilename[40];
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ACPI_EXTERN BOOLEAN AcpiGbl_DbOutputToFile;
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ACPI_EXTERN char *AcpiGbl_DbBuffer;
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ACPI_EXTERN char *AcpiGbl_DbFilename;
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ACPI_EXTERN UINT32 AcpiGbl_DbDebugLevel;
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ACPI_EXTERN UINT32 AcpiGbl_DbConsoleDebugLevel;
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ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_DbScopeNode;
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/*
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* Statistic globals
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*/
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ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCount[ACPI_TYPE_NS_NODE_MAX+1];
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ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCount[ACPI_TYPE_NS_NODE_MAX+1];
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ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCountMisc;
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ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCountMisc;
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ACPI_EXTERN UINT32 AcpiGbl_NumNodes;
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ACPI_EXTERN UINT32 AcpiGbl_NumObjects;
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ACPI_EXTERN UINT32 AcpiGbl_SizeOfParseTree;
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ACPI_EXTERN UINT32 AcpiGbl_SizeOfMethodTrees;
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ACPI_EXTERN UINT32 AcpiGbl_SizeOfNodeEntries;
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ACPI_EXTERN UINT32 AcpiGbl_SizeOfAcpiObjects;
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#endif /* ACPI_DEBUGGER */
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#endif /* __ACGLOBAL_H__ */
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