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 *

 * Module Name: acpixtract - convert ascii ACPI tables to binary

 *

 *****************************************************************************/

 *

 * 1. Copyright Notice

 *

 * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.

 * All rights reserved.

 *

 * 2. License

 *

 * 2.1. This is your license from Intel Corp. under its intellectual property

 * rights.  You may have additional license terms from the party that provided

 * you this software, covering your right to use that party's intellectual

 * property rights.

 *

 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a

 * copy of the source code appearing in this file ("Covered Code") an

 * irrevocable, perpetual, worldwide license under Intel's copyrights in the

 * base code distributed originally by Intel ("Original Intel Code") to copy,

 * make derivatives, distribute, use and display any portion of the Covered

 * Code in any form, with the right to sublicense such rights; and

 *

 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent

 * license (with the right to sublicense), under only those claims of Intel

 * patents that are infringed by the Original Intel Code, to make, use, sell,

 * offer to sell, and import the Covered Code and derivative works thereof

 * solely to the minimum extent necessary to exercise the above copyright

 * license, and in no event shall the patent license extend to any additions

 * to or modifications of the Original Intel Code.  No other license or right

 * is granted directly or by implication, estoppel or otherwise;

 *

 * The above copyright and patent license is granted only if the following

 * conditions are met:

 *

 * 3. Conditions

 *

 * 3.1. Redistribution of Source with Rights to Further Distribute Source.

 * Redistribution of source code of any substantial portion of the Covered

 * Code or modification with rights to further distribute source must include

 * the above Copyright Notice, the above License, this list of Conditions,

 * and the following Disclaimer and Export Compliance provision.  In addition,

 * Licensee must cause all Covered Code to which Licensee contributes to

 * contain a file documenting the changes Licensee made to create that Covered

 * Code and the date of any change.  Licensee must include in that file the

 * documentation of any changes made by any predecessor Licensee.  Licensee

 * must include a prominent statement that the modification is derived,

 * directly or indirectly, from Original Intel Code.

 *

 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.

 * Redistribution of source code of any substantial portion of the Covered

 * Code or modification without rights to further distribute source must

 * include the following Disclaimer and Export Compliance provision in the

 * documentation and/or other materials provided with distribution.  In

 * addition, Licensee may not authorize further sublicense of source of any

 * portion of the Covered Code, and must include terms to the effect that the

 * license from Licensee to its licensee is limited to the intellectual

 * property embodied in the software Licensee provides to its licensee, and

 * not to intellectual property embodied in modifications its licensee may

 * make.

 *

 * 3.3. Redistribution of Executable. Redistribution in executable form of any

 * substantial portion of the Covered Code or modification must reproduce the

 * above Copyright Notice, and the following Disclaimer and Export Compliance

 * provision in the documentation and/or other materials provided with the

 * distribution.

 *

 * 3.4. Intel retains all right, title, and interest in and to the Original

 * Intel Code.

 *

 * 3.5. Neither the name Intel nor any other trademark owned or controlled by

 * Intel shall be used in advertising or otherwise to promote the sale, use or

 * other dealings in products derived from or relating to the Covered Code

 * without prior written authorization from Intel.

 *

 * 4. Disclaimer and Export Compliance

 *

 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED

 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE

 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,

 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY

 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY

 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A

 * PARTICULAR PURPOSE.

 *

 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES

 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR

 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,

 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY

 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL

 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS

 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY

 * LIMITED REMEDY.

 *

 * 4.3. Licensee shall not export, either directly or indirectly, any of this

 * software or system incorporating such software without first obtaining any

 * required license or other approval from the U. S. Department of Commerce or

 * any other agency or department of the United States Government.  In the

 * event Licensee exports any such software from the United States or

 * re-exports any such software from a foreign destination, Licensee shall

 * ensure that the distribution and export/re-export of the software is in

 * compliance with all laws, regulations, orders, or other restrictions of the

 * U.S. Export Administration Regulations. Licensee agrees that neither it nor

 * any of its subsidiaries will export/re-export any technical data, process,

 * software, or service, directly or indirectly, to any country for which the

 * United States government or any agency thereof requires an export license,

 * other governmental approval, or letter of assurance, without first obtaining

 * such license, approval or letter.

 *

 *****************************************************************************/

#include 

#include 

#include 

#define FIND_HEADER         0

#define EXTRACT_DATA        1

#define BUFFER_SIZE         256

#define MIN_HEADER_LENGTH   6   /* strlen ("DSDT @") */

CheckAscii (

    char                    *Name,

    int                     Count);

NormalizeSignature (

    char                    *Signature);

GetNextInstance (

    char                    *InputPathname,

    char                    *Signature);

ExtractTables (

    char                    *InputPathname,

    char                    *Signature,

    unsigned int            MinimumInstances);

GetTableHeader (

    FILE                    *InputFile,

    unsigned char           *OutputData);

CountTableInstances (

    char                    *InputPathname,

    char                    *Signature);

ListTables (

    char                    *InputPathname);

ConvertLine (

    char                    *InputLine,

    unsigned char           *OutputData);

DisplayUsage (

    void);

{

    char                    Signature[4];

    int                     Length;

    unsigned char           Revision;

    unsigned char           Checksum;

    char                    OemId[6];

    char                    OemTableId[8];

    int                     OemRevision;

    char                    AslCompilerId[4];

    int                     AslCompilerRevision;

{

    unsigned int            Signature;

    unsigned int            Instances;

    unsigned int            NextInstance;

    struct TableInfo        *Next;

};

static char                 Filename[16];

static unsigned char        Data[16];

 *

 * FUNCTION:    DisplayUsage

 *

 * DESCRIPTION: Usage message

 *

 ******************************************************************************/

DisplayUsage (

    void)

{

    printf ("\nExtract binary ACPI tables from text acpidump output\n");

    printf ("Default invocation extracts all DSDTs and SSDTs\n");

    printf ("Version %8.8X\n\n", VERSION);

    printf ("Options:\n");

    printf (" -a                    Extract all tables, not just DSDT/SSDT\n");

    printf (" -l                    List table summaries, do not extract\n");

    printf (" -s         Extract all tables named \n");

    printf ("\n");

}

 *

 * FUNCTION:    CheckAscii

 *

 * PARAMETERS:  Name                - Ascii string, at least as long as Count

 *              Count               - Number of characters to check

 *

 * RETURN:      None

 *

 * DESCRIPTION: Ensure that the requested number of characters are printable

 *              Ascii characters. Sets non-printable and null chars to .

 *

 ******************************************************************************/

CheckAscii (

    char                    *Name,

    int                     Count)

{

    int                     i;

    {

        if (!Name[i] || !isprint ((int) Name[i]))

        {

            Name[i] = ' ';

        }

    }

}

 *

 * FUNCTION:    NormalizeSignature

 *

 * PARAMETERS:  Name                - Ascii string containing an ACPI signature

 *

 * RETURN:      None

 *

 * DESCRIPTION: Change "RSD PTR" to "RSDP"

 *

 ******************************************************************************/

NormalizeSignature (

    char                    *Signature)

{

    {

        Signature[3] = 'P';

    }

}

 *

 * FUNCTION:    ConvertLine

 *

 * PARAMETERS:  InputLine           - One line from the input acpidump file

 *              OutputData          - Where the converted data is returned

 *

 * RETURN:      The number of bytes actually converted

 *

 * DESCRIPTION: Convert one line of ascii text binary (up to 16 bytes)

 *

 ******************************************************************************/

ConvertLine (

    char                    *InputLine,

    unsigned char           *OutputData)

{

    char                    *End;

    int                     BytesConverted;

    int                     Converted[16];

    int                     i;

    if (!End)

    {

        return (0); /* Don't understand the format */

    }

    *End = 0;

     * Convert one line of table data, of the form:

     * :   

     *

     * Example:

     * 02C0: 5F 53 42 5F 4C 4E 4B 44 00 12 13 04 0C FF FF 08  _SB_LNKD........

     */

    BytesConverted = sscanf (InputLine,

        "%*s %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x",

        &Converted[0],  &Converted[1],  &Converted[2],  &Converted[3],

        &Converted[4],  &Converted[5],  &Converted[6],  &Converted[7],

        &Converted[8],  &Converted[9],  &Converted[10], &Converted[11],

        &Converted[12], &Converted[13], &Converted[14], &Converted[15]);

    {

        OutputData[i] = (unsigned char) Converted[i];

    }

}

 *

 * FUNCTION:    GetTableHeader

 *

 * PARAMETERS:  InputFile           - Handle for the input acpidump file

 *              OutputData          - Where the table header is returned

 *

 * RETURN:      The actual number of bytes converted

 *

 * DESCRIPTION: Extract and convert an ACPI table header

 *

 ******************************************************************************/

GetTableHeader (

    FILE                    *InputFile,

    unsigned char           *OutputData)

{

    size_t                  BytesConverted;

    size_t                  TotalConverted = 0;

    char                    Buffer[BUFFER_SIZE];

    int                     i;

    {

        if (!fgets (Buffer, BUFFER_SIZE, InputFile))

        {

            return (TotalConverted);

        }

        TotalConverted += BytesConverted;

        OutputData += 16;

        {

            return (TotalConverted);

        }

    }

}

 *

 * FUNCTION:    CountTableInstances

 *

 * PARAMETERS:  InputPathname       - Filename for acpidump file

 *              Signature           - Requested signature to count

 *

 * RETURN:      The number of instances of the signature

 *

 * DESCRIPTION: Count the instances of tables with the given signature within

 *              the input acpidump file.

 *

 ******************************************************************************/

CountTableInstances (

    char                    *InputPathname,

    char                    *Signature)

{

    char                    Buffer[BUFFER_SIZE];

    FILE                    *InputFile;

    unsigned int            Instances = 0;

    if (!InputFile)

    {

        printf ("Could not open %s\n", InputPathname);

        return (0);

    }

    {

        /* Ignore empty lines and lines that start with a space */

            (Buffer[0] == '\n'))

        {

            continue;

        }

        if (!strncmp (Buffer, Signature, 4))

        {

            Instances++;

        }

    }

    return (Instances);

}

 *

 * FUNCTION:    GetNextInstance

 *

 * PARAMETERS:  InputPathname       - Filename for acpidump file

 *              Signature           - Requested ACPI signature

 *

 * RETURN:      The next instance number for this signature. Zero if this

 *              is the first instance of this signature.

 *

 * DESCRIPTION: Get the next instance number of the specified table. If this

 *              is the first instance of the table, create a new instance

 *              block. Note: only SSDT and PSDT tables can have multiple

 *              instances.

 *

 ******************************************************************************/

GetNextInstance (

    char                    *InputPathname,

    char                    *Signature)

{

    struct TableInfo        *Info;

    while (Info)

    {

        if (*(unsigned int *) Signature == Info->Signature)

        {

            break;

        }

    }

    {

        /* Signature not found, create new table info block */

        if (!Info)

        {

            printf ("Could not allocate memory\n");

            exit (0);

        }

        Info->Instances = CountTableInstances (InputPathname, Signature);

        Info->NextInstance = 1;

        Info->Next = ListHead;

        ListHead = Info;

    }

    {

        return (Info->NextInstance++);

    }

}

 *

 * FUNCTION:    ExtractTables

 *

 * PARAMETERS:  InputPathname       - Filename for acpidump file

 *              Signature           - Requested ACPI signature to extract.

 *                                    NULL means extract ALL tables.

 *              MinimumInstances    - Min instances that are acceptable

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Convert text ACPI tables to binary

 *

 ******************************************************************************/

ExtractTables (

    char                    *InputPathname,

    char                    *Signature,

    unsigned int            MinimumInstances)

{

    char                    Buffer[BUFFER_SIZE];

    FILE                    *InputFile;

    FILE                    *OutputFile = NULL;

    size_t                  BytesWritten;

    size_t                  TotalBytesWritten = 0;

    size_t                  BytesConverted;

    unsigned int            State = FIND_HEADER;

    unsigned int            FoundTable = 0;

    unsigned int            Instances = 0;

    unsigned int            ThisInstance;

    char                    ThisSignature[4];

    int                     Status = 0;

    if (!InputFile)

    {

        printf ("Could not open %s\n", InputPathname);

        return (-1);

    }

    {

        /* Are there enough instances of the table to continue? */

        if (Instances < MinimumInstances)

        {

            printf ("Table %s was not found in %s\n", Signature, InputPathname);

            Status = -1;

            goto CleanupAndExit;

        }

        {

            goto CleanupAndExit;

        }

    }

    {

        switch (State)

        {

        case FIND_HEADER:

            {

                continue;

            }

                (Buffer[0] == '\n'))

            {

                continue;

            }

             * Ignore lines that are not of the form  @ . Examples:

             *

             * DSDT @ 0x737e4000

             * XSDT @ 0x737f2fff

             * RSD PTR @ 0xf6cd0

             * SSDT @ (nil)

             */

            if (!strstr (Buffer, " @ "))

            {

                continue;

            }

            strncpy (ThisSignature, Buffer, 4);

            {

                /* Ignore signatures that don't match */

                {

                    continue;

                }

            }

             * Get the instance number for this signature. Only the

             * SSDT and PSDT tables can have multiple instances.

             */

            ThisInstance = GetNextInstance (InputPathname, ThisSignature);

            {

                sprintf (Filename, "%4.4s%u.dat", ThisSignature, ThisInstance);

            }

            else

            {

                sprintf (Filename, "%4.4s.dat", ThisSignature);

            }

            if (!OutputFile)

            {

                printf ("Could not open %s\n", Filename);

                Status = -1;

                goto CleanupAndExit;

            }

            TotalBytesWritten = 0;

            FoundTable = 1;

            continue;

                (Buffer[0] != ' '))

            {

                fclose (OutputFile);

                OutputFile = NULL;

                State = FIND_HEADER;

                    ThisSignature, (unsigned int) TotalBytesWritten, Filename);

                continue;

            }

            if (BytesWritten != BytesConverted)

            {

                printf ("Write error on %s\n", Filename);

                fclose (OutputFile);

                OutputFile = NULL;

                Status = -1;

                goto CleanupAndExit;

            }

            continue;

            Status = -1;

            goto CleanupAndExit;

        }

    }

    {

        printf ("Table %s was not found in %s\n", Signature, InputPathname);

    }

    {

        fclose (OutputFile);

        if (State == EXTRACT_DATA)

        {

            /* Received an EOF while extracting data */

                ThisSignature, (unsigned int) TotalBytesWritten, Filename);

        }

    }

    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.

 *

 ******************************************************************************/

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;

    if (!InputFile)

    {

        printf ("Could not open %s\n", InputPathname);

        return (-1);

    }

            "   OemRevision CompilerId CompilerRevision\n\n");

    {

        /* Ignore empty lines and lines that start with a space */

            (Buffer[0] == '\n'))

        {

            continue;

        }

        if (HeaderSize < 16)

        {

            continue;

        }

        {

            CheckAscii ((char *) &Header[9], 6);

            printf ("%8.4s                   \"%6.6s\"\n", "RSDP", &Header[9]);

            TableCount++;

            continue;

        }

        {

            continue;

        }

        printf ("%8.4s % 7d", TableHeader->Signature, TableHeader->Length);

        {

            printf ("\n");

            continue;

        }

        CheckAscii (TableHeader->OemTableId, 8);

        CheckAscii (TableHeader->AslCompilerId, 4);

            TableHeader->Revision, TableHeader->OemId,

            TableHeader->OemTableId, TableHeader->OemRevision,

            TableHeader->AslCompilerId, TableHeader->AslCompilerRevision);

    }

    fclose (InputFile);

    return (0);

}

 *

 * FUNCTION:    main

 *

 * DESCRIPTION: C main function

 *

 ******************************************************************************/

main (

    int                     argc,

    char                    *argv[])

{

    int                     Status;

    {

        DisplayUsage ();

        return (0);

    }

    {

        if (argc < 3)

        {

            DisplayUsage ();

            return (0);

        }

        {

        case 'a':

            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);

    }

    return (Status);

}