forked from KolibriOS/kolibrios
598 lines
18 KiB
C
598 lines
18 KiB
C
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/******************************************************************************
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*
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* Module Name: aslbtypes - Support for bitfield types
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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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#include "aslcompiler.h"
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#include "aslcompiler.y.h"
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#include "amlcode.h"
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslbtypes")
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/* Local prototypes */
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static UINT32
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AnMapEtypeToBtype (
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UINT32 Etype);
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/*******************************************************************************
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*
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* FUNCTION: AnMapArgTypeToBtype
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*
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* PARAMETERS: ArgType - The ARGI required type(s) for this
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* argument, from the opcode info table
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*
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* RETURN: The corresponding Bit-encoded types
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*
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* DESCRIPTION: Convert an encoded ARGI required argument type code into a
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* bitfield type code. Implements the implicit source conversion
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* rules.
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*
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******************************************************************************/
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UINT32
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AnMapArgTypeToBtype (
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UINT32 ArgType)
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{
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switch (ArgType)
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{
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/* Simple types */
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case ARGI_ANYTYPE:
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return (ACPI_BTYPE_OBJECTS_AND_REFS);
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case ARGI_PACKAGE:
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return (ACPI_BTYPE_PACKAGE);
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case ARGI_EVENT:
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return (ACPI_BTYPE_EVENT);
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case ARGI_MUTEX:
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return (ACPI_BTYPE_MUTEX);
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case ARGI_DDBHANDLE:
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/*
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* DDBHandleObject := SuperName
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* ACPI_BTYPE_REFERENCE: Index reference as parameter of Load/Unload
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*/
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return (ACPI_BTYPE_DDB_HANDLE | ACPI_BTYPE_REFERENCE);
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/* Interchangeable types */
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/*
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* Source conversion rules:
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* Integer, String, and Buffer are all interchangeable
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*/
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case ARGI_INTEGER:
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case ARGI_STRING:
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case ARGI_BUFFER:
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case ARGI_BUFFER_OR_STRING:
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case ARGI_COMPUTEDATA:
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return (ACPI_BTYPE_COMPUTE_DATA);
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/* References */
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case ARGI_INTEGER_REF:
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return (ACPI_BTYPE_INTEGER);
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case ARGI_OBJECT_REF:
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return (ACPI_BTYPE_ALL_OBJECTS);
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case ARGI_DEVICE_REF:
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return (ACPI_BTYPE_DEVICE_OBJECTS);
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case ARGI_REFERENCE:
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return (ACPI_BTYPE_REFERENCE);
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case ARGI_TARGETREF:
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case ARGI_FIXED_TARGET:
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case ARGI_SIMPLE_TARGET:
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return (ACPI_BTYPE_OBJECTS_AND_REFS);
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/* Complex types */
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case ARGI_DATAOBJECT:
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/*
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* Buffer, string, package or reference to a Op -
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* Used only by SizeOf operator
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*/
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return (ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER |
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ACPI_BTYPE_PACKAGE | ACPI_BTYPE_REFERENCE);
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case ARGI_COMPLEXOBJ:
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/* Buffer, String, or package */
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return (ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER | ACPI_BTYPE_PACKAGE);
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case ARGI_REF_OR_STRING:
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return (ACPI_BTYPE_STRING | ACPI_BTYPE_REFERENCE);
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case ARGI_REGION_OR_BUFFER:
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/* Used by Load() only. Allow buffers in addition to regions/fields */
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return (ACPI_BTYPE_REGION | ACPI_BTYPE_BUFFER | ACPI_BTYPE_FIELD_UNIT);
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case ARGI_DATAREFOBJ:
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return (ACPI_BTYPE_INTEGER |ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER |
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ACPI_BTYPE_PACKAGE | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE);
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default:
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break;
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}
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return (ACPI_BTYPE_OBJECTS_AND_REFS);
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}
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/*******************************************************************************
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*
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* FUNCTION: AnMapEtypeToBtype
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*
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* PARAMETERS: Etype - Encoded ACPI Type
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*
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* RETURN: Btype corresponding to the Etype
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*
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* DESCRIPTION: Convert an encoded ACPI type to a bitfield type applying the
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* operand conversion rules. In other words, returns the type(s)
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* this Etype is implicitly converted to during interpretation.
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*
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******************************************************************************/
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static UINT32
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AnMapEtypeToBtype (
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UINT32 Etype)
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{
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if (Etype == ACPI_TYPE_ANY)
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{
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return (ACPI_BTYPE_OBJECTS_AND_REFS);
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}
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/* Try the standard ACPI data types */
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if (Etype <= ACPI_TYPE_EXTERNAL_MAX)
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{
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/*
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* This switch statement implements the allowed operand conversion
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* rules as per the "ASL Data Types" section of the ACPI
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* specification.
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*/
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switch (Etype)
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{
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case ACPI_TYPE_INTEGER:
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return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_DDB_HANDLE);
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case ACPI_TYPE_STRING:
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case ACPI_TYPE_BUFFER:
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return (ACPI_BTYPE_COMPUTE_DATA);
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case ACPI_TYPE_PACKAGE:
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return (ACPI_BTYPE_PACKAGE);
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case ACPI_TYPE_FIELD_UNIT:
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return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_FIELD_UNIT);
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case ACPI_TYPE_BUFFER_FIELD:
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return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_BUFFER_FIELD);
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case ACPI_TYPE_DDB_HANDLE:
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return (ACPI_BTYPE_INTEGER | ACPI_BTYPE_DDB_HANDLE);
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case ACPI_BTYPE_DEBUG_OBJECT:
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/* Cannot be used as a source operand */
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return (0);
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default:
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return (1 << (Etype - 1));
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}
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}
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/* Try the internal data types */
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switch (Etype)
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{
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case ACPI_TYPE_LOCAL_REGION_FIELD:
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case ACPI_TYPE_LOCAL_BANK_FIELD:
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case ACPI_TYPE_LOCAL_INDEX_FIELD:
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/* Named fields can be either Integer/Buffer/String */
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return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_FIELD_UNIT);
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case ACPI_TYPE_LOCAL_ALIAS:
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return (ACPI_BTYPE_INTEGER);
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case ACPI_TYPE_LOCAL_RESOURCE:
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case ACPI_TYPE_LOCAL_RESOURCE_FIELD:
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return (ACPI_BTYPE_REFERENCE);
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default:
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printf ("Unhandled encoded type: %X\n", Etype);
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return (0);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AnFormatBtype
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*
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* PARAMETERS: Btype - Bitfield of ACPI types
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* Buffer - Where to put the ascii string
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*
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* RETURN: None.
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*
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* DESCRIPTION: Convert a Btype to a string of ACPI types
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*
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******************************************************************************/
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void
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AnFormatBtype (
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char *Buffer,
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UINT32 Btype)
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{
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UINT32 Type;
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BOOLEAN First = TRUE;
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*Buffer = 0;
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if (Btype == 0)
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{
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strcat (Buffer, "NoReturnValue");
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return;
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}
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for (Type = 1; Type <= ACPI_TYPE_EXTERNAL_MAX; Type++)
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{
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if (Btype & 0x00000001)
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{
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if (!First)
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{
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strcat (Buffer, "|");
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}
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First = FALSE;
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strcat (Buffer, AcpiUtGetTypeName (Type));
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}
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Btype >>= 1;
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}
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if (Btype & 0x00000001)
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{
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if (!First)
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{
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strcat (Buffer, "|");
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}
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First = FALSE;
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strcat (Buffer, "Reference");
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}
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Btype >>= 1;
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if (Btype & 0x00000001)
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{
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if (!First)
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{
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strcat (Buffer, "|");
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}
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First = FALSE;
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strcat (Buffer, "Resource");
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AnGetBtype
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*
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* PARAMETERS: Op - Parse node whose type will be returned.
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*
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* RETURN: The Btype associated with the Op.
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*
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* DESCRIPTION: Get the (bitfield) ACPI type associated with the parse node.
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* Handles the case where the node is a name or method call and
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* the actual type must be obtained from the namespace node.
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*
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******************************************************************************/
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UINT32
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AnGetBtype (
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ACPI_PARSE_OBJECT *Op)
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{
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ACPI_NAMESPACE_NODE *Node;
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ACPI_PARSE_OBJECT *ReferencedNode;
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UINT32 ThisNodeBtype = 0;
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if ((Op->Asl.ParseOpcode == PARSEOP_NAMESEG) ||
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(Op->Asl.ParseOpcode == PARSEOP_NAMESTRING) ||
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(Op->Asl.ParseOpcode == PARSEOP_METHODCALL))
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{
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Node = Op->Asl.Node;
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if (!Node)
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{
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DbgPrint (ASL_DEBUG_OUTPUT,
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"No attached Nsnode: [%s] at line %u name [%s], ignoring typecheck\n",
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Op->Asl.ParseOpName, Op->Asl.LineNumber,
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Op->Asl.ExternalName);
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return (ACPI_UINT32_MAX);
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}
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ThisNodeBtype = AnMapEtypeToBtype (Node->Type);
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if (!ThisNodeBtype)
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{
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AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op,
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"could not map type");
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}
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/*
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* Since it was a named reference, enable the
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|
* reference bit also
|
||
|
*/
|
||
|
ThisNodeBtype |= ACPI_BTYPE_REFERENCE;
|
||
|
|
||
|
if (Op->Asl.ParseOpcode == PARSEOP_METHODCALL)
|
||
|
{
|
||
|
ReferencedNode = Node->Op;
|
||
|
if (!ReferencedNode)
|
||
|
{
|
||
|
/* Check for an internal method */
|
||
|
|
||
|
if (AnIsInternalMethod (Op))
|
||
|
{
|
||
|
return (AnGetInternalMethodReturnType (Op));
|
||
|
}
|
||
|
|
||
|
AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op,
|
||
|
"null Op pointer");
|
||
|
return (ACPI_UINT32_MAX);
|
||
|
}
|
||
|
|
||
|
if (ReferencedNode->Asl.CompileFlags & NODE_METHOD_TYPED)
|
||
|
{
|
||
|
ThisNodeBtype = ReferencedNode->Asl.AcpiBtype;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
return (ACPI_UINT32_MAX -1);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ThisNodeBtype = Op->Asl.AcpiBtype;
|
||
|
}
|
||
|
|
||
|
return (ThisNodeBtype);
|
||
|
}
|
||
|
|
||
|
|
||
|
/*******************************************************************************
|
||
|
*
|
||
|
* FUNCTION: AnMapObjTypeToBtype
|
||
|
*
|
||
|
* PARAMETERS: Op - A parse node
|
||
|
*
|
||
|
* RETURN: A Btype
|
||
|
*
|
||
|
* DESCRIPTION: Map object to the associated "Btype"
|
||
|
*
|
||
|
******************************************************************************/
|
||
|
|
||
|
UINT32
|
||
|
AnMapObjTypeToBtype (
|
||
|
ACPI_PARSE_OBJECT *Op)
|
||
|
{
|
||
|
|
||
|
switch (Op->Asl.ParseOpcode)
|
||
|
{
|
||
|
case PARSEOP_OBJECTTYPE_BFF: /* "BuffFieldObj" */
|
||
|
return (ACPI_BTYPE_BUFFER_FIELD);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_BUF: /* "BuffObj" */
|
||
|
return (ACPI_BTYPE_BUFFER);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_DDB: /* "DDBHandleObj" */
|
||
|
return (ACPI_BTYPE_DDB_HANDLE);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_DEV: /* "DeviceObj" */
|
||
|
return (ACPI_BTYPE_DEVICE);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_EVT: /* "EventObj" */
|
||
|
return (ACPI_BTYPE_EVENT);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_FLD: /* "FieldUnitObj" */
|
||
|
return (ACPI_BTYPE_FIELD_UNIT);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_INT: /* "IntObj" */
|
||
|
return (ACPI_BTYPE_INTEGER);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_MTH: /* "MethodObj" */
|
||
|
return (ACPI_BTYPE_METHOD);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_MTX: /* "MutexObj" */
|
||
|
return (ACPI_BTYPE_MUTEX);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_OPR: /* "OpRegionObj" */
|
||
|
return (ACPI_BTYPE_REGION);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_PKG: /* "PkgObj" */
|
||
|
return (ACPI_BTYPE_PACKAGE);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_POW: /* "PowerResObj" */
|
||
|
return (ACPI_BTYPE_POWER);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_STR: /* "StrObj" */
|
||
|
return (ACPI_BTYPE_STRING);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_THZ: /* "ThermalZoneObj" */
|
||
|
return (ACPI_BTYPE_THERMAL);
|
||
|
|
||
|
case PARSEOP_OBJECTTYPE_UNK: /* "UnknownObj" */
|
||
|
return (ACPI_BTYPE_OBJECTS_AND_REFS);
|
||
|
|
||
|
default:
|
||
|
return (0);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
#ifdef ACPI_OBSOLETE_FUNCTIONS
|
||
|
/*******************************************************************************
|
||
|
*
|
||
|
* FUNCTION: AnMapBtypeToEtype
|
||
|
*
|
||
|
* PARAMETERS: Btype - Bitfield of ACPI types
|
||
|
*
|
||
|
* RETURN: The Etype corresponding the the Btype
|
||
|
*
|
||
|
* DESCRIPTION: Convert a bitfield type to an encoded type
|
||
|
*
|
||
|
******************************************************************************/
|
||
|
|
||
|
UINT32
|
||
|
AnMapBtypeToEtype (
|
||
|
UINT32 Btype)
|
||
|
{
|
||
|
UINT32 i;
|
||
|
UINT32 Etype;
|
||
|
|
||
|
|
||
|
if (Btype == 0)
|
||
|
{
|
||
|
return (0);
|
||
|
}
|
||
|
|
||
|
Etype = 1;
|
||
|
for (i = 1; i < Btype; i *= 2)
|
||
|
{
|
||
|
Etype++;
|
||
|
}
|
||
|
|
||
|
return (Etype);
|
||
|
}
|
||
|
#endif
|