494 lines
15 KiB
C
494 lines
15 KiB
C
/*******************************************************************************
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*
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* Module Name: dmutils - AML disassembler utilities
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* $Revision: 1.25 $
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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 - 2007, 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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#include <contrib/dev/acpica/acpi.h>
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#include <contrib/dev/acpica/amlcode.h>
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#include <contrib/dev/acpica/acdisasm.h>
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#ifdef ACPI_ASL_COMPILER
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#include <contrib/dev/acpica/acnamesp.h>
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#endif
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#ifdef ACPI_DISASSEMBLER
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#define _COMPONENT ACPI_CA_DEBUGGER
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ACPI_MODULE_NAME ("dmutils")
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ACPI_EXTERNAL_LIST *AcpiGbl_ExternalList = NULL;
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/* Data used in keeping track of fields */
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#if 0
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const char *AcpiGbl_FENames[] =
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{
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"skip",
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"?access?"
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}; /* FE = Field Element */
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#endif
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/* Operators for Match() */
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const char *AcpiGbl_MatchOps[] =
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{
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"MTR",
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"MEQ",
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"MLE",
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"MLT",
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"MGE",
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"MGT"
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};
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/* Access type decoding */
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const char *AcpiGbl_AccessTypes[] =
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{
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"AnyAcc",
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"ByteAcc",
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"WordAcc",
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"DWordAcc",
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"QWordAcc",
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"BufferAcc",
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"InvalidAccType",
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"InvalidAccType"
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};
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/* Lock rule decoding */
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const char *AcpiGbl_LockRule[] =
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{
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"NoLock",
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"Lock"
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};
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/* Update rule decoding */
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const char *AcpiGbl_UpdateRules[] =
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{
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"Preserve",
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"WriteAsOnes",
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"WriteAsZeros",
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"InvalidUpdateRule"
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};
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/* Strings used to decode resource descriptors */
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const char *AcpiGbl_WordDecode[] =
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{
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"Memory",
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"IO",
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"BusNumber",
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"UnknownResourceType"
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};
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const char *AcpiGbl_IrqDecode[] =
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{
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"IRQNoFlags",
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"IRQ"
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};
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#ifdef ACPI_ASL_COMPILER
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmAddToExternalList
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*
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* PARAMETERS: Path - Internal (AML) path to the object
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*
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* RETURN: None
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*
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* DESCRIPTION: Insert a new path into the list of Externals which will in
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* turn be emitted as an External() declaration in the disassembled
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* output.
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*
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******************************************************************************/
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void
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AcpiDmAddToExternalList (
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char *Path,
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UINT8 Type,
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UINT32 Value)
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{
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char *ExternalPath;
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ACPI_EXTERNAL_LIST *NewExternal;
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ACPI_EXTERNAL_LIST *NextExternal;
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ACPI_EXTERNAL_LIST *PrevExternal = NULL;
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ACPI_STATUS Status;
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if (!Path)
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{
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return;
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}
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/* Externalize the ACPI path */
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Status = AcpiNsExternalizeName (ACPI_UINT32_MAX, Path,
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NULL, &ExternalPath);
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if (ACPI_FAILURE (Status))
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{
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return;
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}
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/* Ensure that we don't have duplicate externals */
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NextExternal = AcpiGbl_ExternalList;
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while (NextExternal)
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{
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/* Allow upgrade of type from ANY */
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if (!ACPI_STRCMP (ExternalPath, NextExternal->Path))
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{
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/* Duplicate method, check that the Value (ArgCount) is the same */
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if ((NextExternal->Type == ACPI_TYPE_METHOD) &&
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(NextExternal->Value != Value))
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{
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ACPI_ERROR ((AE_INFO, "Argument count mismatch for method %s %d %d",
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NextExternal->Path, NextExternal->Value, Value));
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}
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if (NextExternal->Type == ACPI_TYPE_ANY)
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{
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NextExternal->Type = Type;
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NextExternal->Value = Value;
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}
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ACPI_FREE (ExternalPath);
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return;
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}
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NextExternal = NextExternal->Next;
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}
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/* Allocate and init a new External() descriptor */
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NewExternal = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EXTERNAL_LIST));
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NewExternal->InternalPath = Path;
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NewExternal->Path = ExternalPath;
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NewExternal->Type = Type;
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NewExternal->Value = Value;
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NewExternal->Length = (UINT16) ACPI_STRLEN (ExternalPath);
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/* Link the new descriptor into the global list, ordered by string length */
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NextExternal = AcpiGbl_ExternalList;
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while (NextExternal)
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{
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if (NewExternal->Length <= NextExternal->Length)
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{
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if (PrevExternal)
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{
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PrevExternal->Next = NewExternal;
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}
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else
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{
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AcpiGbl_ExternalList = NewExternal;
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}
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NewExternal->Next = NextExternal;
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return;
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}
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PrevExternal = NextExternal;
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NextExternal = NextExternal->Next;
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}
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if (PrevExternal)
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{
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PrevExternal->Next = NewExternal;
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}
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else
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{
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AcpiGbl_ExternalList = NewExternal;
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}
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}
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#endif
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmDecodeAttribute
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*
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* PARAMETERS: Attribute - Attribute field of AccessAs keyword
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*
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* RETURN: None
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*
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* DESCRIPTION: Decode the AccessAs attribute byte. (Mostly SMBus stuff)
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*
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******************************************************************************/
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void
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AcpiDmDecodeAttribute (
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UINT8 Attribute)
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{
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switch (Attribute)
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{
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case AML_FIELD_ATTRIB_SMB_QUICK:
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AcpiOsPrintf ("SMBQuick");
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break;
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case AML_FIELD_ATTRIB_SMB_SEND_RCV:
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AcpiOsPrintf ("SMBSendReceive");
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break;
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case AML_FIELD_ATTRIB_SMB_BYTE:
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AcpiOsPrintf ("SMBByte");
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break;
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case AML_FIELD_ATTRIB_SMB_WORD:
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AcpiOsPrintf ("SMBWord");
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break;
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case AML_FIELD_ATTRIB_SMB_WORD_CALL:
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AcpiOsPrintf ("SMBProcessCall");
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break;
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case AML_FIELD_ATTRIB_SMB_BLOCK:
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AcpiOsPrintf ("SMBBlock");
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break;
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case AML_FIELD_ATTRIB_SMB_BLOCK_CALL:
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AcpiOsPrintf ("SMBBlockProcessCall");
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break;
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default:
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AcpiOsPrintf ("0x%.2X", Attribute);
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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: AcpiDmIndent
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*
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* PARAMETERS: Level - Current source code indentation level
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*
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* RETURN: None
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*
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* DESCRIPTION: Indent 4 spaces per indentation level.
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*
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******************************************************************************/
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void
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AcpiDmIndent (
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UINT32 Level)
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{
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if (!Level)
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{
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return;
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}
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AcpiOsPrintf ("%*.s", ACPI_MUL_4 (Level), " ");
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmCommaIfListMember
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*
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* PARAMETERS: Op - Current operator/operand
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*
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* RETURN: TRUE if a comma was inserted
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*
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* DESCRIPTION: Insert a comma if this Op is a member of an argument list.
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*
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******************************************************************************/
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BOOLEAN
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AcpiDmCommaIfListMember (
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ACPI_PARSE_OBJECT *Op)
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{
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if (!Op->Common.Next)
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{
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return FALSE;
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}
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if (AcpiDmListType (Op->Common.Parent) & BLOCK_COMMA_LIST)
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{
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/* Check for a NULL target operand */
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if ((Op->Common.Next->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
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(!Op->Common.Next->Common.Value.String))
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{
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/*
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* To handle the Divide() case where there are two optional
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* targets, look ahead one more op. If null, this null target
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* is the one and only target -- no comma needed. Otherwise,
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* we need a comma to prepare for the next target.
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*/
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if (!Op->Common.Next->Common.Next)
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{
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return FALSE;
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}
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}
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if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST) &&
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(!(Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)))
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{
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return FALSE;
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}
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AcpiOsPrintf (", ");
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return (TRUE);
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}
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else if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST) &&
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(Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST))
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{
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AcpiOsPrintf (", ");
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return (TRUE);
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}
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return (FALSE);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmCommaIfFieldMember
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*
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* PARAMETERS: Op - Current operator/operand
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*
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* RETURN: None
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*
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* DESCRIPTION: Insert a comma if this Op is a member of a Field argument list.
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*
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******************************************************************************/
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void
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AcpiDmCommaIfFieldMember (
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ACPI_PARSE_OBJECT *Op)
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{
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if (Op->Common.Next)
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{
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AcpiOsPrintf (", ");
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}
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}
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#endif
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