893 lines
26 KiB
C
893 lines
26 KiB
C
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/******************************************************************************
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*
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* Module Name: acpixtract - convert ascii ACPI tables to binary
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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/* Note: This is a 32-bit program only */
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#define VERSION 0x20110330
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#define FIND_HEADER 0
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#define EXTRACT_DATA 1
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#define BUFFER_SIZE 256
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#define MIN_HEADER_LENGTH 6 /* strlen ("DSDT @") */
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/* Local prototypes */
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static void
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CheckAscii (
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char *Name,
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int Count);
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static void
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NormalizeSignature (
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char *Signature);
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static unsigned int
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GetNextInstance (
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char *InputPathname,
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char *Signature);
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static int
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ExtractTables (
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char *InputPathname,
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char *Signature,
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unsigned int MinimumInstances);
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static size_t
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GetTableHeader (
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FILE *InputFile,
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unsigned char *OutputData);
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static unsigned int
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CountTableInstances (
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char *InputPathname,
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char *Signature);
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static int
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ListTables (
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char *InputPathname);
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static size_t
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ConvertLine (
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char *InputLine,
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unsigned char *OutputData);
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static void
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DisplayUsage (
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void);
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typedef struct acpi_table_header
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{
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char Signature[4];
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int Length;
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unsigned char Revision;
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unsigned char Checksum;
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char OemId[6];
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char OemTableId[8];
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int OemRevision;
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char AslCompilerId[4];
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int AslCompilerRevision;
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} ACPI_TABLE_HEADER;
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struct TableInfo
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{
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unsigned int Signature;
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unsigned int Instances;
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unsigned int NextInstance;
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struct TableInfo *Next;
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};
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static struct TableInfo *ListHead = NULL;
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static char Filename[16];
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static unsigned char Data[16];
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/******************************************************************************
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*
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* FUNCTION: DisplayUsage
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*
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* DESCRIPTION: Usage message
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*
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******************************************************************************/
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static void
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DisplayUsage (
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void)
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{
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printf ("Usage: acpixtract [option] <InputFile>\n");
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printf ("\nExtract binary ACPI tables from text acpidump output\n");
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printf ("Default invocation extracts all DSDTs and SSDTs\n");
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printf ("Version %8.8X\n\n", VERSION);
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printf ("Options:\n");
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printf (" -a Extract all tables, not just DSDT/SSDT\n");
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printf (" -l List table summaries, do not extract\n");
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printf (" -s<Signature> Extract all tables named <Signature>\n");
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printf ("\n");
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}
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/*******************************************************************************
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*
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* FUNCTION: CheckAscii
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*
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* PARAMETERS: Name - Ascii string, at least as long as Count
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* Count - Number of characters to check
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*
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* RETURN: None
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*
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* DESCRIPTION: Ensure that the requested number of characters are printable
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* Ascii characters. Sets non-printable and null chars to <space>.
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*
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******************************************************************************/
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static void
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CheckAscii (
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char *Name,
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int Count)
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{
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int i;
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for (i = 0; i < Count; i++)
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{
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if (!Name[i] || !isprint ((int) Name[i]))
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{
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Name[i] = ' ';
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}
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: NormalizeSignature
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*
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* PARAMETERS: Name - Ascii string containing an ACPI signature
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*
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* RETURN: None
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*
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* DESCRIPTION: Change "RSD PTR" to "RSDP"
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*
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******************************************************************************/
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static void
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NormalizeSignature (
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char *Signature)
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{
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if (!strncmp (Signature, "RSD ", 4))
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{
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Signature[3] = 'P';
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}
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}
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/******************************************************************************
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*
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* FUNCTION: ConvertLine
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*
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* PARAMETERS: InputLine - One line from the input acpidump file
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* OutputData - Where the converted data is returned
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*
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* RETURN: The number of bytes actually converted
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*
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* DESCRIPTION: Convert one line of ascii text binary (up to 16 bytes)
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*
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******************************************************************************/
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static size_t
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ConvertLine (
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char *InputLine,
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unsigned char *OutputData)
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{
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char *End;
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int BytesConverted;
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int Converted[16];
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int i;
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/* Terminate the input line at the end of the actual data (for sscanf) */
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End = strstr (InputLine + 2, " ");
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if (!End)
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{
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return (0); /* Don't understand the format */
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}
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*End = 0;
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/*
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* Convert one line of table data, of the form:
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* <offset>: <up to 16 bytes of hex data> <ASCII representation> <newline>
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*
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* Example:
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* 02C0: 5F 53 42 5F 4C 4E 4B 44 00 12 13 04 0C FF FF 08 _SB_LNKD........
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*/
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BytesConverted = sscanf (InputLine,
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"%*s %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x",
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&Converted[0], &Converted[1], &Converted[2], &Converted[3],
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&Converted[4], &Converted[5], &Converted[6], &Converted[7],
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&Converted[8], &Converted[9], &Converted[10], &Converted[11],
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&Converted[12], &Converted[13], &Converted[14], &Converted[15]);
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/* Pack converted data into a byte array */
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for (i = 0; i < BytesConverted; i++)
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{
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OutputData[i] = (unsigned char) Converted[i];
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}
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return ((size_t) BytesConverted);
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}
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/******************************************************************************
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*
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* FUNCTION: GetTableHeader
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*
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* PARAMETERS: InputFile - Handle for the input acpidump file
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* OutputData - Where the table header is returned
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*
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* RETURN: The actual number of bytes converted
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*
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* DESCRIPTION: Extract and convert an ACPI table header
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*
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******************************************************************************/
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static size_t
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GetTableHeader (
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FILE *InputFile,
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unsigned char *OutputData)
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{
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size_t BytesConverted;
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size_t TotalConverted = 0;
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char Buffer[BUFFER_SIZE];
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int i;
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/* Get the full 36 byte header, requires 3 lines */
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for (i = 0; i < 3; i++)
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{
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if (!fgets (Buffer, BUFFER_SIZE, InputFile))
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{
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return (TotalConverted);
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}
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BytesConverted = ConvertLine (Buffer, OutputData);
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TotalConverted += BytesConverted;
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OutputData += 16;
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if (BytesConverted != 16)
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{
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return (TotalConverted);
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}
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}
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return (TotalConverted);
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}
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/******************************************************************************
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*
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* FUNCTION: CountTableInstances
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*
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* PARAMETERS: InputPathname - Filename for acpidump file
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* Signature - Requested signature to count
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*
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* RETURN: The number of instances of the signature
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*
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* DESCRIPTION: Count the instances of tables with the given signature within
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* the input acpidump file.
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*
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******************************************************************************/
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static unsigned int
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CountTableInstances (
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char *InputPathname,
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char *Signature)
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{
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char Buffer[BUFFER_SIZE];
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FILE *InputFile;
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unsigned int Instances = 0;
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InputFile = fopen (InputPathname, "rt");
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if (!InputFile)
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{
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printf ("Could not open %s\n", InputPathname);
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return (0);
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}
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/* Count the number of instances of this signature */
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while (fgets (Buffer, BUFFER_SIZE, InputFile))
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{
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/* Ignore empty lines and lines that start with a space */
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if ((Buffer[0] == ' ') ||
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(Buffer[0] == '\n'))
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{
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continue;
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}
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NormalizeSignature (Buffer);
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if (!strncmp (Buffer, Signature, 4))
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{
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Instances++;
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}
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}
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fclose (InputFile);
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return (Instances);
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}
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/******************************************************************************
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*
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* FUNCTION: GetNextInstance
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*
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* PARAMETERS: InputPathname - Filename for acpidump file
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* Signature - Requested ACPI signature
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*
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* RETURN: The next instance number for this signature. Zero if this
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* is the first instance of this signature.
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*
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* DESCRIPTION: Get the next instance number of the specified table. If this
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* is the first instance of the table, create a new instance
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* block. Note: only SSDT and PSDT tables can have multiple
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* instances.
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*
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******************************************************************************/
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static unsigned int
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GetNextInstance (
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char *InputPathname,
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char *Signature)
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{
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struct TableInfo *Info;
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Info = ListHead;
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while (Info)
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{
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if (*(unsigned int *) Signature == Info->Signature)
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{
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break;
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}
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Info = Info->Next;
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}
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if (!Info)
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{
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/* Signature not found, create new table info block */
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Info = malloc (sizeof (struct TableInfo));
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if (!Info)
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{
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printf ("Could not allocate memory\n");
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exit (0);
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}
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Info->Signature = *(unsigned int *) Signature;
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Info->Instances = CountTableInstances (InputPathname, Signature);
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Info->NextInstance = 1;
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Info->Next = ListHead;
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ListHead = Info;
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}
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if (Info->Instances > 1)
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{
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return (Info->NextInstance++);
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}
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return (0);
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}
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/******************************************************************************
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*
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* FUNCTION: ExtractTables
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*
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* PARAMETERS: InputPathname - Filename for acpidump file
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* Signature - Requested ACPI signature to extract.
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* NULL means extract ALL tables.
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* MinimumInstances - Min instances that are acceptable
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*
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* RETURN: Status
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*
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* DESCRIPTION: Convert text ACPI tables to binary
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*
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******************************************************************************/
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static int
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ExtractTables (
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char *InputPathname,
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char *Signature,
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unsigned int MinimumInstances)
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{
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char Buffer[BUFFER_SIZE];
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FILE *InputFile;
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FILE *OutputFile = NULL;
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size_t BytesWritten;
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size_t TotalBytesWritten = 0;
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size_t BytesConverted;
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unsigned int State = FIND_HEADER;
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unsigned int FoundTable = 0;
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unsigned int Instances = 0;
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unsigned int ThisInstance;
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char ThisSignature[4];
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int Status = 0;
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/* Open input in text mode, output is in binary mode */
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InputFile = fopen (InputPathname, "rt");
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if (!InputFile)
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{
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printf ("Could not open %s\n", InputPathname);
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return (-1);
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}
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if (Signature)
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{
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/* Are there enough instances of the table to continue? */
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NormalizeSignature (Signature);
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Instances = CountTableInstances (InputPathname, Signature);
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if (Instances < MinimumInstances)
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{
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printf ("Table %s was not found in %s\n", Signature, InputPathname);
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Status = -1;
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goto CleanupAndExit;
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}
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if (Instances == 0)
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{
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goto CleanupAndExit;
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}
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}
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/* Convert all instances of the table to binary */
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while (fgets (Buffer, BUFFER_SIZE, InputFile))
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{
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switch (State)
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{
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case FIND_HEADER:
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/* Ignore lines that are too short to be header lines */
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if (strlen (Buffer) < MIN_HEADER_LENGTH)
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{
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continue;
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}
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/* Ignore empty lines and lines that start with a space */
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|
|
if ((Buffer[0] == ' ') ||
|
|
(Buffer[0] == '\n'))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Ignore lines that are not of the form <sig> @ <addr>. Examples:
|
|
*
|
|
* DSDT @ 0x737e4000
|
|
* XSDT @ 0x737f2fff
|
|
* RSD PTR @ 0xf6cd0
|
|
* SSDT @ (nil)
|
|
*/
|
|
if (!strstr (Buffer, " @ "))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
NormalizeSignature (Buffer);
|
|
strncpy (ThisSignature, Buffer, 4);
|
|
|
|
if (Signature)
|
|
{
|
|
/* Ignore signatures that don't match */
|
|
|
|
if (strncmp (ThisSignature, Signature, 4))
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Get the instance number for this signature. Only the
|
|
* SSDT and PSDT tables can have multiple instances.
|
|
*/
|
|
ThisInstance = GetNextInstance (InputPathname, ThisSignature);
|
|
|
|
/* Build an output filename and create/open the output file */
|
|
|
|
if (ThisInstance > 0)
|
|
{
|
|
sprintf (Filename, "%4.4s%u.dat", ThisSignature, ThisInstance);
|
|
}
|
|
else
|
|
{
|
|
sprintf (Filename, "%4.4s.dat", ThisSignature);
|
|
}
|
|
|
|
OutputFile = fopen (Filename, "w+b");
|
|
if (!OutputFile)
|
|
{
|
|
printf ("Could not open %s\n", Filename);
|
|
Status = -1;
|
|
goto CleanupAndExit;
|
|
}
|
|
|
|
State = EXTRACT_DATA;
|
|
TotalBytesWritten = 0;
|
|
FoundTable = 1;
|
|
continue;
|
|
|
|
case EXTRACT_DATA:
|
|
|
|
/* Empty line or non-data line terminates the data */
|
|
|
|
if ((Buffer[0] == '\n') ||
|
|
(Buffer[0] != ' '))
|
|
{
|
|
fclose (OutputFile);
|
|
OutputFile = NULL;
|
|
State = FIND_HEADER;
|
|
|
|
printf ("Acpi table [%4.4s] - %u bytes written to %s\n",
|
|
ThisSignature, (unsigned int) TotalBytesWritten, Filename);
|
|
continue;
|
|
}
|
|
|
|
/* Convert the ascii data (one line of text) to binary */
|
|
|
|
BytesConverted = ConvertLine (Buffer, Data);
|
|
|
|
/* Write the binary data */
|
|
|
|
BytesWritten = fwrite (Data, 1, BytesConverted, OutputFile);
|
|
if (BytesWritten != BytesConverted)
|
|
{
|
|
printf ("Write error on %s\n", Filename);
|
|
fclose (OutputFile);
|
|
OutputFile = NULL;
|
|
Status = -1;
|
|
goto CleanupAndExit;
|
|
}
|
|
|
|
TotalBytesWritten += BytesConverted;
|
|
continue;
|
|
|
|
default:
|
|
Status = -1;
|
|
goto CleanupAndExit;
|
|
}
|
|
}
|
|
|
|
if (!FoundTable)
|
|
{
|
|
printf ("Table %s was not found in %s\n", Signature, InputPathname);
|
|
}
|
|
|
|
|
|
CleanupAndExit:
|
|
|
|
if (OutputFile)
|
|
{
|
|
fclose (OutputFile);
|
|
if (State == EXTRACT_DATA)
|
|
{
|
|
/* Received an EOF while extracting data */
|
|
|
|
printf ("Acpi table [%4.4s] - %u bytes written to %s\n",
|
|
ThisSignature, (unsigned int) TotalBytesWritten, Filename);
|
|
}
|
|
}
|
|
|
|
fclose (InputFile);
|
|
return (Status);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: ListTables
|
|
*
|
|
* PARAMETERS: InputPathname - Filename for acpidump file
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Display info for all ACPI tables found in input. Does not
|
|
* perform an actual extraction of the tables.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static int
|
|
ListTables (
|
|
char *InputPathname)
|
|
{
|
|
FILE *InputFile;
|
|
char Buffer[BUFFER_SIZE];
|
|
size_t HeaderSize;
|
|
unsigned char Header[48];
|
|
int TableCount = 0;
|
|
ACPI_TABLE_HEADER *TableHeader = (ACPI_TABLE_HEADER *) (void *) Header;
|
|
|
|
|
|
/* Open input in text mode, output is in binary mode */
|
|
|
|
InputFile = fopen (InputPathname, "rt");
|
|
if (!InputFile)
|
|
{
|
|
printf ("Could not open %s\n", InputPathname);
|
|
return (-1);
|
|
}
|
|
|
|
/* Dump the headers for all tables found in the input file */
|
|
|
|
printf ("\nSignature Length Revision OemId OemTableId"
|
|
" OemRevision CompilerId CompilerRevision\n\n");
|
|
|
|
while (fgets (Buffer, BUFFER_SIZE, InputFile))
|
|
{
|
|
/* Ignore empty lines and lines that start with a space */
|
|
|
|
if ((Buffer[0] == ' ') ||
|
|
(Buffer[0] == '\n'))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
/* Get the 36 byte header and display the fields */
|
|
|
|
HeaderSize = GetTableHeader (InputFile, Header);
|
|
if (HeaderSize < 16)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
/* RSDP has an oddball signature and header */
|
|
|
|
if (!strncmp (TableHeader->Signature, "RSD PTR ", 8))
|
|
{
|
|
CheckAscii ((char *) &Header[9], 6);
|
|
printf ("%8.4s \"%6.6s\"\n", "RSDP", &Header[9]);
|
|
TableCount++;
|
|
continue;
|
|
}
|
|
|
|
/* Minimum size for table with standard header */
|
|
|
|
if (HeaderSize < 36)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
/* Signature and Table length */
|
|
|
|
TableCount++;
|
|
printf ("%8.4s % 7d", TableHeader->Signature, TableHeader->Length);
|
|
|
|
/* FACS has only signature and length */
|
|
|
|
if (!strncmp (TableHeader->Signature, "FACS", 4))
|
|
{
|
|
printf ("\n");
|
|
continue;
|
|
}
|
|
|
|
/* OEM IDs and Compiler IDs */
|
|
|
|
CheckAscii (TableHeader->OemId, 6);
|
|
CheckAscii (TableHeader->OemTableId, 8);
|
|
CheckAscii (TableHeader->AslCompilerId, 4);
|
|
|
|
printf (" %2.2X \"%6.6s\" \"%8.8s\" %8.8X \"%4.4s\" %8.8X\n",
|
|
TableHeader->Revision, TableHeader->OemId,
|
|
TableHeader->OemTableId, TableHeader->OemRevision,
|
|
TableHeader->AslCompilerId, TableHeader->AslCompilerRevision);
|
|
}
|
|
|
|
printf ("\nFound %u ACPI tables [%8.8X]\n", TableCount, VERSION);
|
|
fclose (InputFile);
|
|
return (0);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: main
|
|
*
|
|
* DESCRIPTION: C main function
|
|
*
|
|
******************************************************************************/
|
|
|
|
int
|
|
main (
|
|
int argc,
|
|
char *argv[])
|
|
{
|
|
int Status;
|
|
|
|
|
|
if (argc < 2)
|
|
{
|
|
DisplayUsage ();
|
|
return (0);
|
|
}
|
|
|
|
if (argv[1][0] == '-')
|
|
{
|
|
if (argc < 3)
|
|
{
|
|
DisplayUsage ();
|
|
return (0);
|
|
}
|
|
|
|
switch (argv[1][1])
|
|
{
|
|
case 'a':
|
|
|
|
/* Extract all tables found */
|
|
|
|
return (ExtractTables (argv[2], NULL, 0));
|
|
|
|
case 'l':
|
|
|
|
/* List tables only, do not extract */
|
|
|
|
return (ListTables (argv[2]));
|
|
|
|
case 's':
|
|
|
|
/* Extract only tables with this signature */
|
|
|
|
return (ExtractTables (argv[2], &argv[1][2], 1));
|
|
|
|
default:
|
|
DisplayUsage ();
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Default output is the DSDT and all SSDTs. One DSDT is required,
|
|
* any SSDTs are optional.
|
|
*/
|
|
Status = ExtractTables (argv[1], "DSDT", 1);
|
|
if (Status)
|
|
{
|
|
return (Status);
|
|
}
|
|
|
|
Status = ExtractTables (argv[1], "SSDT", 0);
|
|
return (Status);
|
|
}
|
|
|
|
|