8ec96e9db0
git-svn-id: svn://kolibrios.org@2216 a494cfbc-eb01-0410-851d-a64ba20cac60
650 lines
20 KiB
C
650 lines
20 KiB
C
/*******************************************************************************
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*
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* Module Name: dbfileio - Debugger file I/O commands. These can't usually
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* be used when running the debugger in Ring 0 (Kernel mode)
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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 "acpi.h"
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#include "accommon.h"
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#include "acdebug.h"
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#ifdef ACPI_APPLICATION
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#include "actables.h"
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#endif
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#if (defined ACPI_DEBUGGER || defined ACPI_DISASSEMBLER)
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#define _COMPONENT ACPI_CA_DEBUGGER
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ACPI_MODULE_NAME ("dbfileio")
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/*
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* NOTE: this is here for lack of a better place. It is used in all
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* flavors of the debugger, need LCD file
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*/
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#ifdef ACPI_APPLICATION
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#include <stdio.h>
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FILE *AcpiGbl_DebugFile = NULL;
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#endif
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#ifdef ACPI_DEBUGGER
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/* Local prototypes */
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#ifdef ACPI_APPLICATION
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static ACPI_STATUS
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AcpiDbCheckTextModeCorruption (
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UINT8 *Table,
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UINT32 TableLength,
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UINT32 FileLength);
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#endif
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbCloseDebugFile
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: If open, close the current debug output file
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*
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******************************************************************************/
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void
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AcpiDbCloseDebugFile (
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void)
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{
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#ifdef ACPI_APPLICATION
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if (AcpiGbl_DebugFile)
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{
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fclose (AcpiGbl_DebugFile);
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AcpiGbl_DebugFile = NULL;
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AcpiGbl_DbOutputToFile = FALSE;
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AcpiOsPrintf ("Debug output file %s closed\n", AcpiGbl_DbDebugFilename);
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}
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#endif
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbOpenDebugFile
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*
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* PARAMETERS: Name - Filename to open
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*
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* RETURN: None
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*
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* DESCRIPTION: Open a file where debug output will be directed.
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*
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******************************************************************************/
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void
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AcpiDbOpenDebugFile (
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char *Name)
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{
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#ifdef ACPI_APPLICATION
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AcpiDbCloseDebugFile ();
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AcpiGbl_DebugFile = fopen (Name, "w+");
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if (AcpiGbl_DebugFile)
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{
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AcpiOsPrintf ("Debug output file %s opened\n", Name);
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ACPI_STRCPY (AcpiGbl_DbDebugFilename, Name);
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AcpiGbl_DbOutputToFile = TRUE;
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}
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else
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{
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AcpiOsPrintf ("Could not open debug file %s\n", Name);
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}
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#endif
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}
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#endif
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#ifdef ACPI_APPLICATION
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbCheckTextModeCorruption
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*
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* PARAMETERS: Table - Table buffer
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* TableLength - Length of table from the table header
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* FileLength - Length of the file that contains the table
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*
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* RETURN: Status
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*
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* DESCRIPTION: Check table for text mode file corruption where all linefeed
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* characters (LF) have been replaced by carriage return linefeed
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* pairs (CR/LF).
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*
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******************************************************************************/
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static ACPI_STATUS
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AcpiDbCheckTextModeCorruption (
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UINT8 *Table,
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UINT32 TableLength,
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UINT32 FileLength)
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{
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UINT32 i;
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UINT32 Pairs = 0;
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if (TableLength != FileLength)
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{
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ACPI_WARNING ((AE_INFO,
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"File length (0x%X) is not the same as the table length (0x%X)",
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FileLength, TableLength));
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}
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/* Scan entire table to determine if each LF has been prefixed with a CR */
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for (i = 1; i < FileLength; i++)
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{
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if (Table[i] == 0x0A)
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{
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if (Table[i - 1] != 0x0D)
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{
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/* The LF does not have a preceding CR, table not corrupted */
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return (AE_OK);
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}
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else
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{
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/* Found a CR/LF pair */
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Pairs++;
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}
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i++;
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}
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}
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if (!Pairs)
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{
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return (AE_OK);
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}
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/*
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* Entire table scanned, each CR is part of a CR/LF pair --
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* meaning that the table was treated as a text file somewhere.
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*
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* NOTE: We can't "fix" the table, because any existing CR/LF pairs in the
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* original table are left untouched by the text conversion process --
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* meaning that we cannot simply replace CR/LF pairs with LFs.
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*/
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AcpiOsPrintf ("Table has been corrupted by text mode conversion\n");
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AcpiOsPrintf ("All LFs (%u) were changed to CR/LF pairs\n", Pairs);
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AcpiOsPrintf ("Table cannot be repaired!\n");
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return (AE_BAD_VALUE);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbReadTable
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*
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* PARAMETERS: fp - File that contains table
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* Table - Return value, buffer with table
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* TableLength - Return value, length of table
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*
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* RETURN: Status
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*
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* DESCRIPTION: Load the DSDT from the file pointer
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*
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******************************************************************************/
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static ACPI_STATUS
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AcpiDbReadTable (
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FILE *fp,
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ACPI_TABLE_HEADER **Table,
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UINT32 *TableLength)
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{
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ACPI_TABLE_HEADER TableHeader;
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UINT32 Actual;
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ACPI_STATUS Status;
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UINT32 FileSize;
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BOOLEAN StandardHeader = TRUE;
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/* Get the file size */
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fseek (fp, 0, SEEK_END);
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FileSize = (UINT32) ftell (fp);
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fseek (fp, 0, SEEK_SET);
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if (FileSize < 4)
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{
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return (AE_BAD_HEADER);
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}
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/* Read the signature */
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if (fread (&TableHeader, 1, 4, fp) != 4)
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{
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AcpiOsPrintf ("Could not read the table signature\n");
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return (AE_BAD_HEADER);
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}
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fseek (fp, 0, SEEK_SET);
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/* The RSDT and FACS tables do not have standard ACPI headers */
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if (ACPI_COMPARE_NAME (TableHeader.Signature, "RSD ") ||
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ACPI_COMPARE_NAME (TableHeader.Signature, "FACS"))
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{
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*TableLength = FileSize;
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StandardHeader = FALSE;
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}
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else
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{
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/* Read the table header */
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if (fread (&TableHeader, 1, sizeof (TableHeader), fp) !=
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sizeof (ACPI_TABLE_HEADER))
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{
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AcpiOsPrintf ("Could not read the table header\n");
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return (AE_BAD_HEADER);
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}
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#if 0
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/* Validate the table header/length */
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Status = AcpiTbValidateTableHeader (&TableHeader);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("Table header is invalid!\n");
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return (Status);
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}
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#endif
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/* File size must be at least as long as the Header-specified length */
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if (TableHeader.Length > FileSize)
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{
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AcpiOsPrintf (
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"TableHeader length [0x%X] greater than the input file size [0x%X]\n",
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TableHeader.Length, FileSize);
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return (AE_BAD_HEADER);
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}
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#ifdef ACPI_OBSOLETE_CODE
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/* We only support a limited number of table types */
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if (ACPI_STRNCMP ((char *) TableHeader.Signature, DSDT_SIG, 4) &&
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ACPI_STRNCMP ((char *) TableHeader.Signature, PSDT_SIG, 4) &&
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ACPI_STRNCMP ((char *) TableHeader.Signature, SSDT_SIG, 4))
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{
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AcpiOsPrintf ("Table signature [%4.4s] is invalid or not supported\n",
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(char *) TableHeader.Signature);
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ACPI_DUMP_BUFFER (&TableHeader, sizeof (ACPI_TABLE_HEADER));
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return (AE_ERROR);
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}
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#endif
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*TableLength = TableHeader.Length;
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}
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/* Allocate a buffer for the table */
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*Table = AcpiOsAllocate ((size_t) FileSize);
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if (!*Table)
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{
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AcpiOsPrintf (
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"Could not allocate memory for ACPI table %4.4s (size=0x%X)\n",
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TableHeader.Signature, *TableLength);
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return (AE_NO_MEMORY);
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}
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/* Get the rest of the table */
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fseek (fp, 0, SEEK_SET);
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Actual = fread (*Table, 1, (size_t) FileSize, fp);
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if (Actual == FileSize)
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{
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if (StandardHeader)
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{
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/* Now validate the checksum */
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Status = AcpiTbVerifyChecksum ((void *) *Table,
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ACPI_CAST_PTR (ACPI_TABLE_HEADER, *Table)->Length);
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if (Status == AE_BAD_CHECKSUM)
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{
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Status = AcpiDbCheckTextModeCorruption ((UINT8 *) *Table,
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FileSize, (*Table)->Length);
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return (Status);
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}
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}
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return (AE_OK);
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}
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if (Actual > 0)
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{
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AcpiOsPrintf ("Warning - reading table, asked for %X got %X\n",
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FileSize, Actual);
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return (AE_OK);
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}
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AcpiOsPrintf ("Error - could not read the table file\n");
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AcpiOsFree (*Table);
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*Table = NULL;
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*TableLength = 0;
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return (AE_ERROR);
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}
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/*******************************************************************************
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*
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* FUNCTION: AeLocalLoadTable
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*
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* PARAMETERS: Table - pointer to a buffer containing the entire
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* table to be loaded
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*
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* RETURN: Status
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*
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* DESCRIPTION: This function is called to load a table from the caller's
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* buffer. The buffer must contain an entire ACPI Table including
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* a valid header. The header fields will be verified, and if it
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* is determined that the table is invalid, the call will fail.
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*
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******************************************************************************/
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static ACPI_STATUS
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AeLocalLoadTable (
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ACPI_TABLE_HEADER *Table)
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{
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ACPI_STATUS Status = AE_OK;
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/* ACPI_TABLE_DESC TableInfo; */
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ACPI_FUNCTION_TRACE (AeLocalLoadTable);
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#if 0
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if (!Table)
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{
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return_ACPI_STATUS (AE_BAD_PARAMETER);
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}
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TableInfo.Pointer = Table;
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Status = AcpiTbRecognizeTable (&TableInfo, ACPI_TABLE_ALL);
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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/* Install the new table into the local data structures */
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Status = AcpiTbInstallTable (&TableInfo);
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if (ACPI_FAILURE (Status))
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{
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if (Status == AE_ALREADY_EXISTS)
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{
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/* Table already exists, no error */
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Status = AE_OK;
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}
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/* Free table allocated by AcpiTbGetTable */
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AcpiTbDeleteSingleTable (&TableInfo);
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return_ACPI_STATUS (Status);
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}
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#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
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Status = AcpiNsLoadTable (TableInfo.InstalledDesc, AcpiGbl_RootNode);
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if (ACPI_FAILURE (Status))
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{
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/* Uninstall table and free the buffer */
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AcpiTbDeleteTablesByType (ACPI_TABLE_ID_DSDT);
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return_ACPI_STATUS (Status);
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}
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#endif
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#endif
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return_ACPI_STATUS (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbReadTableFromFile
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*
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* PARAMETERS: Filename - File where table is located
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* Table - Where a pointer to the table is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Get an ACPI table from a file
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiDbReadTableFromFile (
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char *Filename,
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ACPI_TABLE_HEADER **Table)
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{
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FILE *fp;
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UINT32 TableLength;
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ACPI_STATUS Status;
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/* Open the file */
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fp = fopen (Filename, "rb");
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if (!fp)
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{
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AcpiOsPrintf ("Could not open input file %s\n", Filename);
|
|
return (AE_ERROR);
|
|
}
|
|
|
|
/* Get the entire file */
|
|
|
|
fprintf (stderr, "Loading Acpi table from file %s\n", Filename);
|
|
Status = AcpiDbReadTable (fp, Table, &TableLength);
|
|
fclose(fp);
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("Could not get table from the file\n");
|
|
return (Status);
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
#endif
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbGetTableFromFile
|
|
*
|
|
* PARAMETERS: Filename - File where table is located
|
|
* ReturnTable - Where a pointer to the table is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Load an ACPI table from a file
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiDbGetTableFromFile (
|
|
char *Filename,
|
|
ACPI_TABLE_HEADER **ReturnTable)
|
|
{
|
|
#ifdef ACPI_APPLICATION
|
|
ACPI_STATUS Status;
|
|
ACPI_TABLE_HEADER *Table;
|
|
BOOLEAN IsAmlTable = TRUE;
|
|
|
|
|
|
Status = AcpiDbReadTableFromFile (Filename, &Table);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (Status);
|
|
}
|
|
|
|
#ifdef ACPI_DATA_TABLE_DISASSEMBLY
|
|
IsAmlTable = AcpiUtIsAmlTable (Table);
|
|
#endif
|
|
|
|
if (IsAmlTable)
|
|
{
|
|
/* Attempt to recognize and install the table */
|
|
|
|
Status = AeLocalLoadTable (Table);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
if (Status == AE_ALREADY_EXISTS)
|
|
{
|
|
AcpiOsPrintf ("Table %4.4s is already installed\n",
|
|
Table->Signature);
|
|
}
|
|
else
|
|
{
|
|
AcpiOsPrintf ("Could not install table, %s\n",
|
|
AcpiFormatException (Status));
|
|
}
|
|
|
|
return (Status);
|
|
}
|
|
|
|
fprintf (stderr,
|
|
"Acpi table [%4.4s] successfully installed and loaded\n",
|
|
Table->Signature);
|
|
}
|
|
|
|
AcpiGbl_AcpiHardwarePresent = FALSE;
|
|
if (ReturnTable)
|
|
{
|
|
*ReturnTable = Table;
|
|
}
|
|
|
|
|
|
#endif /* ACPI_APPLICATION */
|
|
return (AE_OK);
|
|
}
|
|
|
|
#endif /* ACPI_DEBUGGER */
|
|
|