703 lines
21 KiB
C
703 lines
21 KiB
C
/******************************************************************************
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*
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* Module Name: utdecode - Utility decoding routines (value-to-string)
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __UTDECODE_C__
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#include "acpi.h"
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#include "accommon.h"
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#include "acnamesp.h"
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME ("utdecode")
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/*******************************************************************************
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*
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* FUNCTION: AcpiFormatException
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*
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* PARAMETERS: Status - The ACPI_STATUS code to be formatted
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*
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* RETURN: A string containing the exception text. A valid pointer is
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* always returned.
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*
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* DESCRIPTION: This function translates an ACPI exception into an ASCII string
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* It is here instead of utxface.c so it is always present.
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*
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******************************************************************************/
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const char *
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AcpiFormatException (
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ACPI_STATUS Status)
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{
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const char *Exception = NULL;
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ACPI_FUNCTION_ENTRY ();
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Exception = AcpiUtValidateException (Status);
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if (!Exception)
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{
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/* Exception code was not recognized */
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ACPI_ERROR ((AE_INFO,
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"Unknown exception code: 0x%8.8X", Status));
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Exception = "UNKNOWN_STATUS_CODE";
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}
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return (ACPI_CAST_PTR (const char, Exception));
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}
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ACPI_EXPORT_SYMBOL (AcpiFormatException)
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/*
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* Properties of the ACPI Object Types, both internal and external.
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* The table is indexed by values of ACPI_OBJECT_TYPE
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*/
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const UINT8 AcpiGbl_NsProperties[ACPI_NUM_NS_TYPES] =
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{
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ACPI_NS_NORMAL, /* 00 Any */
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ACPI_NS_NORMAL, /* 01 Number */
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ACPI_NS_NORMAL, /* 02 String */
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ACPI_NS_NORMAL, /* 03 Buffer */
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ACPI_NS_NORMAL, /* 04 Package */
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ACPI_NS_NORMAL, /* 05 FieldUnit */
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ACPI_NS_NEWSCOPE, /* 06 Device */
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ACPI_NS_NORMAL, /* 07 Event */
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ACPI_NS_NEWSCOPE, /* 08 Method */
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ACPI_NS_NORMAL, /* 09 Mutex */
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ACPI_NS_NORMAL, /* 10 Region */
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ACPI_NS_NEWSCOPE, /* 11 Power */
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ACPI_NS_NEWSCOPE, /* 12 Processor */
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ACPI_NS_NEWSCOPE, /* 13 Thermal */
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ACPI_NS_NORMAL, /* 14 BufferField */
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ACPI_NS_NORMAL, /* 15 DdbHandle */
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ACPI_NS_NORMAL, /* 16 Debug Object */
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ACPI_NS_NORMAL, /* 17 DefField */
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ACPI_NS_NORMAL, /* 18 BankField */
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ACPI_NS_NORMAL, /* 19 IndexField */
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ACPI_NS_NORMAL, /* 20 Reference */
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ACPI_NS_NORMAL, /* 21 Alias */
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ACPI_NS_NORMAL, /* 22 MethodAlias */
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ACPI_NS_NORMAL, /* 23 Notify */
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ACPI_NS_NORMAL, /* 24 Address Handler */
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ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */
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ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */
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ACPI_NS_NEWSCOPE, /* 27 Scope */
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ACPI_NS_NORMAL, /* 28 Extra */
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ACPI_NS_NORMAL, /* 29 Data */
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ACPI_NS_NORMAL /* 30 Invalid */
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};
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtHexToAsciiChar
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*
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* PARAMETERS: Integer - Contains the hex digit
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* Position - bit position of the digit within the
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* integer (multiple of 4)
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*
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* RETURN: The converted Ascii character
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*
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* DESCRIPTION: Convert a hex digit to an Ascii character
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*
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******************************************************************************/
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/* Hex to ASCII conversion table */
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static const char AcpiGbl_HexToAscii[] =
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{
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'0','1','2','3','4','5','6','7',
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'8','9','A','B','C','D','E','F'
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};
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char
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AcpiUtHexToAsciiChar (
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UINT64 Integer,
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UINT32 Position)
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{
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return (AcpiGbl_HexToAscii[(Integer >> Position) & 0xF]);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtGetRegionName
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*
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* PARAMETERS: Space ID - ID for the region
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*
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* RETURN: Decoded region SpaceId name
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*
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* DESCRIPTION: Translate a Space ID into a name string (Debug only)
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*
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******************************************************************************/
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/* Region type decoding */
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const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS] =
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{
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"SystemMemory",
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"SystemIO",
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"PCI_Config",
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"EmbeddedControl",
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"SMBus",
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"SystemCMOS",
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"PCIBARTarget",
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"IPMI"
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};
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char *
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AcpiUtGetRegionName (
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UINT8 SpaceId)
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{
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if (SpaceId >= ACPI_USER_REGION_BEGIN)
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{
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return ("UserDefinedRegion");
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}
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else if (SpaceId == ACPI_ADR_SPACE_DATA_TABLE)
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{
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return ("DataTable");
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}
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else if (SpaceId == ACPI_ADR_SPACE_FIXED_HARDWARE)
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{
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return ("FunctionalFixedHW");
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}
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else if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS)
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{
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return ("InvalidSpaceId");
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}
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return (ACPI_CAST_PTR (char, AcpiGbl_RegionTypes[SpaceId]));
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtGetEventName
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*
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* PARAMETERS: EventId - Fixed event ID
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*
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* RETURN: Decoded event ID name
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*
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* DESCRIPTION: Translate a Event ID into a name string (Debug only)
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*
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******************************************************************************/
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/* Event type decoding */
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static const char *AcpiGbl_EventTypes[ACPI_NUM_FIXED_EVENTS] =
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{
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"PM_Timer",
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"GlobalLock",
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"PowerButton",
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"SleepButton",
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"RealTimeClock",
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};
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char *
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AcpiUtGetEventName (
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UINT32 EventId)
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{
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if (EventId > ACPI_EVENT_MAX)
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{
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return ("InvalidEventID");
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}
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return (ACPI_CAST_PTR (char, AcpiGbl_EventTypes[EventId]));
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtGetTypeName
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*
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* PARAMETERS: Type - An ACPI object type
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*
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* RETURN: Decoded ACPI object type name
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*
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* DESCRIPTION: Translate a Type ID into a name string (Debug only)
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*
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******************************************************************************/
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/*
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* Elements of AcpiGbl_NsTypeNames below must match
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* one-to-one with values of ACPI_OBJECT_TYPE
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*
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* The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching;
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* when stored in a table it really means that we have thus far seen no
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* evidence to indicate what type is actually going to be stored for this entry.
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*/
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static const char AcpiGbl_BadType[] = "UNDEFINED";
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/* Printable names of the ACPI object types */
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static const char *AcpiGbl_NsTypeNames[] =
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{
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/* 00 */ "Untyped",
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/* 01 */ "Integer",
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/* 02 */ "String",
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/* 03 */ "Buffer",
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/* 04 */ "Package",
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/* 05 */ "FieldUnit",
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/* 06 */ "Device",
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/* 07 */ "Event",
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/* 08 */ "Method",
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/* 09 */ "Mutex",
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/* 10 */ "Region",
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/* 11 */ "Power",
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/* 12 */ "Processor",
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/* 13 */ "Thermal",
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/* 14 */ "BufferField",
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/* 15 */ "DdbHandle",
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/* 16 */ "DebugObject",
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/* 17 */ "RegionField",
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/* 18 */ "BankField",
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/* 19 */ "IndexField",
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/* 20 */ "Reference",
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/* 21 */ "Alias",
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/* 22 */ "MethodAlias",
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/* 23 */ "Notify",
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/* 24 */ "AddrHandler",
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/* 25 */ "ResourceDesc",
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/* 26 */ "ResourceFld",
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/* 27 */ "Scope",
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/* 28 */ "Extra",
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/* 29 */ "Data",
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/* 30 */ "Invalid"
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};
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char *
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AcpiUtGetTypeName (
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ACPI_OBJECT_TYPE Type)
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{
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if (Type > ACPI_TYPE_INVALID)
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{
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return (ACPI_CAST_PTR (char, AcpiGbl_BadType));
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}
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return (ACPI_CAST_PTR (char, AcpiGbl_NsTypeNames[Type]));
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}
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char *
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AcpiUtGetObjectTypeName (
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ACPI_OPERAND_OBJECT *ObjDesc)
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{
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if (!ObjDesc)
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{
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return ("[NULL Object Descriptor]");
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}
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return (AcpiUtGetTypeName (ObjDesc->Common.Type));
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtGetNodeName
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*
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* PARAMETERS: Object - A namespace node
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*
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* RETURN: ASCII name of the node
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*
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* DESCRIPTION: Validate the node and return the node's ACPI name.
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*
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******************************************************************************/
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char *
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AcpiUtGetNodeName (
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void *Object)
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{
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ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) Object;
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/* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */
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if (!Object)
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{
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return ("NULL");
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}
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/* Check for Root node */
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if ((Object == ACPI_ROOT_OBJECT) ||
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(Object == AcpiGbl_RootNode))
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{
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return ("\"\\\" ");
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}
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/* Descriptor must be a namespace node */
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if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED)
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{
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return ("####");
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}
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/*
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* Ensure name is valid. The name was validated/repaired when the node
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* was created, but make sure it has not been corrupted.
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*/
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AcpiUtRepairName (Node->Name.Ascii);
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/* Return the name */
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return (Node->Name.Ascii);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtGetDescriptorName
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*
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* PARAMETERS: Object - An ACPI object
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*
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* RETURN: Decoded name of the descriptor type
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*
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* DESCRIPTION: Validate object and return the descriptor type
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*
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******************************************************************************/
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/* Printable names of object descriptor types */
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static const char *AcpiGbl_DescTypeNames[] =
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{
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/* 00 */ "Not a Descriptor",
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/* 01 */ "Cached",
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/* 02 */ "State-Generic",
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/* 03 */ "State-Update",
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/* 04 */ "State-Package",
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/* 05 */ "State-Control",
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/* 06 */ "State-RootParseScope",
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/* 07 */ "State-ParseScope",
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/* 08 */ "State-WalkScope",
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/* 09 */ "State-Result",
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/* 10 */ "State-Notify",
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/* 11 */ "State-Thread",
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/* 12 */ "Walk",
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/* 13 */ "Parser",
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/* 14 */ "Operand",
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/* 15 */ "Node"
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};
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char *
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AcpiUtGetDescriptorName (
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void *Object)
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{
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if (!Object)
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{
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return ("NULL OBJECT");
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}
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if (ACPI_GET_DESCRIPTOR_TYPE (Object) > ACPI_DESC_TYPE_MAX)
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{
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return ("Not a Descriptor");
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}
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return (ACPI_CAST_PTR (char,
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AcpiGbl_DescTypeNames[ACPI_GET_DESCRIPTOR_TYPE (Object)]));
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtGetReferenceName
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*
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* PARAMETERS: Object - An ACPI reference object
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*
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* RETURN: Decoded name of the type of reference
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*
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* DESCRIPTION: Decode a reference object sub-type to a string.
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*
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******************************************************************************/
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/* Printable names of reference object sub-types */
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static const char *AcpiGbl_RefClassNames[] =
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{
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/* 00 */ "Local",
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/* 01 */ "Argument",
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/* 02 */ "RefOf",
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/* 03 */ "Index",
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/* 04 */ "DdbHandle",
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/* 05 */ "Named Object",
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/* 06 */ "Debug"
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};
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const char *
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AcpiUtGetReferenceName (
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ACPI_OPERAND_OBJECT *Object)
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{
|
|
|
|
if (!Object)
|
|
{
|
|
return ("NULL Object");
|
|
}
|
|
|
|
if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
|
|
{
|
|
return ("Not an Operand object");
|
|
}
|
|
|
|
if (Object->Common.Type != ACPI_TYPE_LOCAL_REFERENCE)
|
|
{
|
|
return ("Not a Reference object");
|
|
}
|
|
|
|
if (Object->Reference.Class > ACPI_REFCLASS_MAX)
|
|
{
|
|
return ("Unknown Reference class");
|
|
}
|
|
|
|
return (AcpiGbl_RefClassNames[Object->Reference.Class]);
|
|
}
|
|
|
|
|
|
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
|
|
/*
|
|
* Strings and procedures used for debug only
|
|
*/
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtGetMutexName
|
|
*
|
|
* PARAMETERS: MutexId - The predefined ID for this mutex.
|
|
*
|
|
* RETURN: Decoded name of the internal mutex
|
|
*
|
|
* DESCRIPTION: Translate a mutex ID into a name string (Debug only)
|
|
*
|
|
******************************************************************************/
|
|
|
|
/* Names for internal mutex objects, used for debug output */
|
|
|
|
static char *AcpiGbl_MutexNames[ACPI_NUM_MUTEX] =
|
|
{
|
|
"ACPI_MTX_Interpreter",
|
|
"ACPI_MTX_Namespace",
|
|
"ACPI_MTX_Tables",
|
|
"ACPI_MTX_Events",
|
|
"ACPI_MTX_Caches",
|
|
"ACPI_MTX_Memory",
|
|
"ACPI_MTX_CommandComplete",
|
|
"ACPI_MTX_CommandReady"
|
|
};
|
|
|
|
char *
|
|
AcpiUtGetMutexName (
|
|
UINT32 MutexId)
|
|
{
|
|
|
|
if (MutexId > ACPI_MAX_MUTEX)
|
|
{
|
|
return ("Invalid Mutex ID");
|
|
}
|
|
|
|
return (AcpiGbl_MutexNames[MutexId]);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtGetNotifyName
|
|
*
|
|
* PARAMETERS: NotifyValue - Value from the Notify() request
|
|
*
|
|
* RETURN: Decoded name for the notify value
|
|
*
|
|
* DESCRIPTION: Translate a Notify Value to a notify namestring.
|
|
*
|
|
******************************************************************************/
|
|
|
|
/* Names for Notify() values, used for debug output */
|
|
|
|
static const char *AcpiGbl_NotifyValueNames[] =
|
|
{
|
|
"Bus Check",
|
|
"Device Check",
|
|
"Device Wake",
|
|
"Eject Request",
|
|
"Device Check Light",
|
|
"Frequency Mismatch",
|
|
"Bus Mode Mismatch",
|
|
"Power Fault",
|
|
"Capabilities Check",
|
|
"Device PLD Check",
|
|
"Reserved",
|
|
"System Locality Update"
|
|
};
|
|
|
|
const char *
|
|
AcpiUtGetNotifyName (
|
|
UINT32 NotifyValue)
|
|
{
|
|
|
|
if (NotifyValue <= ACPI_NOTIFY_MAX)
|
|
{
|
|
return (AcpiGbl_NotifyValueNames[NotifyValue]);
|
|
}
|
|
else if (NotifyValue <= ACPI_MAX_SYS_NOTIFY)
|
|
{
|
|
return ("Reserved");
|
|
}
|
|
else /* Greater or equal to 0x80 */
|
|
{
|
|
return ("**Device Specific**");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiUtValidObjectType
|
|
*
|
|
* PARAMETERS: Type - Object type to be validated
|
|
*
|
|
* RETURN: TRUE if valid object type, FALSE otherwise
|
|
*
|
|
* DESCRIPTION: Validate an object type
|
|
*
|
|
******************************************************************************/
|
|
|
|
BOOLEAN
|
|
AcpiUtValidObjectType (
|
|
ACPI_OBJECT_TYPE Type)
|
|
{
|
|
|
|
if (Type > ACPI_TYPE_LOCAL_MAX)
|
|
{
|
|
/* Note: Assumes all TYPEs are contiguous (external/local) */
|
|
|
|
return (FALSE);
|
|
}
|
|
|
|
return (TRUE);
|
|
}
|