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  1.  
  2. /******************************************************************************
  3.  *
  4.  * Module Name: acpixtract - convert ascii ACPI tables to binary
  5.  *
  6.  *****************************************************************************/
  7.  
  8. /******************************************************************************
  9.  *
  10.  * 1. Copyright Notice
  11.  *
  12.  * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
  13.  * All rights reserved.
  14.  *
  15.  * 2. License
  16.  *
  17.  * 2.1. This is your license from Intel Corp. under its intellectual property
  18.  * rights.  You may have additional license terms from the party that provided
  19.  * you this software, covering your right to use that party's intellectual
  20.  * property rights.
  21.  *
  22.  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  23.  * copy of the source code appearing in this file ("Covered Code") an
  24.  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  25.  * base code distributed originally by Intel ("Original Intel Code") to copy,
  26.  * make derivatives, distribute, use and display any portion of the Covered
  27.  * Code in any form, with the right to sublicense such rights; and
  28.  *
  29.  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  30.  * license (with the right to sublicense), under only those claims of Intel
  31.  * patents that are infringed by the Original Intel Code, to make, use, sell,
  32.  * offer to sell, and import the Covered Code and derivative works thereof
  33.  * solely to the minimum extent necessary to exercise the above copyright
  34.  * license, and in no event shall the patent license extend to any additions
  35.  * to or modifications of the Original Intel Code.  No other license or right
  36.  * is granted directly or by implication, estoppel or otherwise;
  37.  *
  38.  * The above copyright and patent license is granted only if the following
  39.  * conditions are met:
  40.  *
  41.  * 3. Conditions
  42.  *
  43.  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  44.  * Redistribution of source code of any substantial portion of the Covered
  45.  * Code or modification with rights to further distribute source must include
  46.  * the above Copyright Notice, the above License, this list of Conditions,
  47.  * and the following Disclaimer and Export Compliance provision.  In addition,
  48.  * Licensee must cause all Covered Code to which Licensee contributes to
  49.  * contain a file documenting the changes Licensee made to create that Covered
  50.  * Code and the date of any change.  Licensee must include in that file the
  51.  * documentation of any changes made by any predecessor Licensee.  Licensee
  52.  * must include a prominent statement that the modification is derived,
  53.  * directly or indirectly, from Original Intel Code.
  54.  *
  55.  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  56.  * Redistribution of source code of any substantial portion of the Covered
  57.  * Code or modification without rights to further distribute source must
  58.  * include the following Disclaimer and Export Compliance provision in the
  59.  * documentation and/or other materials provided with distribution.  In
  60.  * addition, Licensee may not authorize further sublicense of source of any
  61.  * portion of the Covered Code, and must include terms to the effect that the
  62.  * license from Licensee to its licensee is limited to the intellectual
  63.  * property embodied in the software Licensee provides to its licensee, and
  64.  * not to intellectual property embodied in modifications its licensee may
  65.  * make.
  66.  *
  67.  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  68.  * substantial portion of the Covered Code or modification must reproduce the
  69.  * above Copyright Notice, and the following Disclaimer and Export Compliance
  70.  * provision in the documentation and/or other materials provided with the
  71.  * distribution.
  72.  *
  73.  * 3.4. Intel retains all right, title, and interest in and to the Original
  74.  * Intel Code.
  75.  *
  76.  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  77.  * Intel shall be used in advertising or otherwise to promote the sale, use or
  78.  * other dealings in products derived from or relating to the Covered Code
  79.  * without prior written authorization from Intel.
  80.  *
  81.  * 4. Disclaimer and Export Compliance
  82.  *
  83.  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  84.  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  85.  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  86.  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  87.  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  88.  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  89.  * PARTICULAR PURPOSE.
  90.  *
  91.  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  92.  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  93.  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  94.  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  95.  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  96.  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  97.  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  98.  * LIMITED REMEDY.
  99.  *
  100.  * 4.3. Licensee shall not export, either directly or indirectly, any of this
  101.  * software or system incorporating such software without first obtaining any
  102.  * required license or other approval from the U. S. Department of Commerce or
  103.  * any other agency or department of the United States Government.  In the
  104.  * event Licensee exports any such software from the United States or
  105.  * re-exports any such software from a foreign destination, Licensee shall
  106.  * ensure that the distribution and export/re-export of the software is in
  107.  * compliance with all laws, regulations, orders, or other restrictions of the
  108.  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
  109.  * any of its subsidiaries will export/re-export any technical data, process,
  110.  * software, or service, directly or indirectly, to any country for which the
  111.  * United States government or any agency thereof requires an export license,
  112.  * other governmental approval, or letter of assurance, without first obtaining
  113.  * such license, approval or letter.
  114.  *
  115.  *****************************************************************************/
  116.  
  117. #include <stdio.h>
  118. #include <stdlib.h>
  119. #include <string.h>
  120. #include <ctype.h>
  121.  
  122.  
  123. /* Note: This is a 32-bit program only */
  124.  
  125. #define VERSION             0x20100107
  126. #define FIND_HEADER         0
  127. #define EXTRACT_DATA        1
  128. #define BUFFER_SIZE         256
  129.  
  130.  
  131. /* Local prototypes */
  132.  
  133. void
  134. CheckAscii (
  135.     char                    *Name,
  136.     int                     Count);
  137.  
  138. void
  139. NormalizeSignature (
  140.     char                    *Signature);
  141.  
  142. unsigned int
  143. GetNextInstance (
  144.     char                    *InputPathname,
  145.     char                    *Signature);
  146.  
  147. int
  148. ExtractTables (
  149.     char                    *InputPathname,
  150.     char                    *Signature,
  151.     unsigned int            MinimumInstances);
  152.  
  153. size_t
  154. GetTableHeader (
  155.     FILE                    *InputFile,
  156.     unsigned char           *OutputData);
  157.  
  158. unsigned int
  159. CountTableInstances (
  160.     char                    *InputPathname,
  161.     char                    *Signature);
  162.  
  163. int
  164. ListTables (
  165.     char                    *InputPathname);
  166.  
  167. size_t
  168. ConvertLine (
  169.     char                    *InputLine,
  170.     unsigned char           *OutputData);
  171.  
  172. void
  173. DisplayUsage (
  174.     void);
  175.  
  176.  
  177. typedef struct acpi_table_header
  178. {
  179.     char                    Signature[4];
  180.     int                     Length;
  181.     unsigned char           Revision;
  182.     unsigned char           Checksum;
  183.     char                    OemId[6];
  184.     char                    OemTableId[8];
  185.     int                     OemRevision;
  186.     char                    AslCompilerId[4];
  187.     int                     AslCompilerRevision;
  188.  
  189. } ACPI_TABLE_HEADER;
  190.  
  191. struct TableInfo
  192. {
  193.     unsigned int            Signature;
  194.     unsigned int            Instances;
  195.     unsigned int            NextInstance;
  196.     struct TableInfo        *Next;
  197. };
  198.  
  199. struct TableInfo            *ListHead = NULL;
  200. char                        Filename[16];
  201. unsigned char               Data[16];
  202.  
  203.  
  204. /******************************************************************************
  205.  *
  206.  * FUNCTION:    DisplayUsage
  207.  *
  208.  * DESCRIPTION: Usage message
  209.  *
  210.  ******************************************************************************/
  211.  
  212. void
  213. DisplayUsage (
  214.     void)
  215. {
  216.  
  217.     printf ("Usage: acpixtract [option] <InputFile>\n");
  218.     printf ("\nExtract binary ACPI tables from text acpidump output\n");
  219.     printf ("Default invocation extracts all DSDTs and SSDTs\n");
  220.     printf ("Version %8.8X\n\n", VERSION);
  221.     printf ("Options:\n");
  222.     printf (" -a                    Extract all tables, not just DSDT/SSDT\n");
  223.     printf (" -l                    List table summaries, do not extract\n");
  224.     printf (" -s<Signature>         Extract all tables named <Signature>\n");
  225.     printf ("\n");
  226. }
  227.  
  228.  
  229. /*******************************************************************************
  230.  *
  231.  * FUNCTION:    CheckAscii
  232.  *
  233.  * PARAMETERS:  Name                - Ascii string, at least as long as Count
  234.  *              Count               - Number of characters to check
  235.  *
  236.  * RETURN:      None
  237.  *
  238.  * DESCRIPTION: Ensure that the requested number of characters are printable
  239.  *              Ascii characters. Sets non-printable and null chars to <space>.
  240.  *
  241.  ******************************************************************************/
  242.  
  243. void
  244. CheckAscii (
  245.     char                    *Name,
  246.     int                     Count)
  247. {
  248.     int                     i;
  249.  
  250.  
  251.     for (i = 0; i < Count; i++)
  252.     {
  253.         if (!Name[i] || !isprint ((int) Name[i]))
  254.         {
  255.             Name[i] = ' ';
  256.         }
  257.     }
  258. }
  259.  
  260.  
  261. /*******************************************************************************
  262.  *
  263.  * FUNCTION:    NormalizeSignature
  264.  *
  265.  * PARAMETERS:  Name                - Ascii string containing an ACPI signature
  266.  *
  267.  * RETURN:      None
  268.  *
  269.  * DESCRIPTION: Change "RSD PTR" to "RSDP"
  270.  *
  271.  ******************************************************************************/
  272.  
  273. void
  274. NormalizeSignature (
  275.     char                    *Signature)
  276. {
  277.  
  278.     if (!strncmp (Signature, "RSD ", 4))
  279.     {
  280.         Signature[3] = 'P';
  281.     }
  282. }
  283.  
  284.  
  285. /******************************************************************************
  286.  *
  287.  * FUNCTION:    ConvertLine
  288.  *
  289.  * PARAMETERS:  InputLine           - One line from the input acpidump file
  290.  *              OutputData          - Where the converted data is returned
  291.  *
  292.  * RETURN:      The number of bytes actually converted
  293.  *
  294.  * DESCRIPTION: Convert one line of ascii text binary (up to 16 bytes)
  295.  *
  296.  ******************************************************************************/
  297.  
  298. size_t
  299. ConvertLine (
  300.     char                    *InputLine,
  301.     unsigned char           *OutputData)
  302. {
  303.     char                    *End;
  304.     int                     BytesConverted;
  305.     int                     Converted[16];
  306.     int                     i;
  307.  
  308.  
  309.     /* Terminate the input line at the end of the actual data (for sscanf) */
  310.  
  311.     End = strstr (InputLine + 2, "  ");
  312.     if (!End)
  313.     {
  314.         return (0); /* Don't understand the format */
  315.     }
  316.     *End = 0;
  317.  
  318.     /*
  319.      * Convert one line of table data, of the form:
  320.      * <offset>: <up to 16 bytes of hex data> <ASCII representation> <newline>
  321.      *
  322.      * Example:
  323.      * 02C0: 5F 53 42 5F 4C 4E 4B 44 00 12 13 04 0C FF FF 08  _SB_LNKD........
  324.      */
  325.     BytesConverted = sscanf (InputLine,
  326.         "%*s %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x",
  327.         &Converted[0],  &Converted[1],  &Converted[2],  &Converted[3],
  328.         &Converted[4],  &Converted[5],  &Converted[6],  &Converted[7],
  329.         &Converted[8],  &Converted[9],  &Converted[10], &Converted[11],
  330.         &Converted[12], &Converted[13], &Converted[14], &Converted[15]);
  331.  
  332.     /* Pack converted data into a byte array */
  333.  
  334.     for (i = 0; i < BytesConverted; i++)
  335.     {
  336.         OutputData[i] = (unsigned char) Converted[i];
  337.     }
  338.  
  339.     return ((size_t) BytesConverted);
  340. }
  341.  
  342.  
  343. /******************************************************************************
  344.  *
  345.  * FUNCTION:    GetTableHeader
  346.  *
  347.  * PARAMETERS:  InputFile           - Handle for the input acpidump file
  348.  *              OutputData          - Where the table header is returned
  349.  *
  350.  * RETURN:      The actual number of bytes converted
  351.  *
  352.  * DESCRIPTION: Extract and convert an ACPI table header
  353.  *
  354.  ******************************************************************************/
  355.  
  356. size_t
  357. GetTableHeader (
  358.     FILE                    *InputFile,
  359.     unsigned char           *OutputData)
  360. {
  361.     size_t                  BytesConverted;
  362.     size_t                  TotalConverted = 0;
  363.     char                    Buffer[BUFFER_SIZE];
  364.     int                     i;
  365.  
  366.  
  367.     /* Get the full 36 byte header, requires 3 lines */
  368.  
  369.     for (i = 0; i < 3; i++)
  370.     {
  371.         if (!fgets (Buffer, BUFFER_SIZE, InputFile))
  372.         {
  373.             return (TotalConverted);
  374.         }
  375.  
  376.         BytesConverted = ConvertLine (Buffer, OutputData);
  377.         TotalConverted += BytesConverted;
  378.         OutputData += 16;
  379.  
  380.         if (BytesConverted != 16)
  381.         {
  382.             return (TotalConverted);
  383.         }
  384.     }
  385.  
  386.     return (TotalConverted);
  387. }
  388.  
  389.  
  390. /******************************************************************************
  391.  *
  392.  * FUNCTION:    CountTableInstances
  393.  *
  394.  * PARAMETERS:  InputPathname       - Filename for acpidump file
  395.  *              Signature           - Requested signature to count
  396.  *
  397.  * RETURN:      The number of instances of the signature
  398.  *
  399.  * DESCRIPTION: Count the instances of tables with the given signature within
  400.  *              the input acpidump file.
  401.  *
  402.  ******************************************************************************/
  403.  
  404. unsigned int
  405. CountTableInstances (
  406.     char                    *InputPathname,
  407.     char                    *Signature)
  408. {
  409.     char                    Buffer[BUFFER_SIZE];
  410.     FILE                    *InputFile;
  411.     unsigned int            Instances = 0;
  412.  
  413.  
  414.     InputFile = fopen (InputPathname, "rt");
  415.     if (!InputFile)
  416.     {
  417.         printf ("Could not open %s\n", InputPathname);
  418.         return (0);
  419.     }
  420.  
  421.     /* Count the number of instances of this signature */
  422.  
  423.     while (fgets (Buffer, BUFFER_SIZE, InputFile))
  424.     {
  425.         /* Ignore empty lines and lines that start with a space */
  426.  
  427.         if ((Buffer[0] == ' ') ||
  428.             (Buffer[0] == '\n'))
  429.         {
  430.             continue;
  431.         }
  432.  
  433.         NormalizeSignature (Buffer);
  434.         if (!strncmp (Buffer, Signature, 4))
  435.         {
  436.             Instances++;
  437.         }
  438.     }
  439.  
  440.     fclose (InputFile);
  441.     return (Instances);
  442. }
  443.  
  444.  
  445. /******************************************************************************
  446.  *
  447.  * FUNCTION:    GetNextInstance
  448.  *
  449.  * PARAMETERS:  InputPathname       - Filename for acpidump file
  450.  *              Signature           - Requested ACPI signature
  451.  *
  452.  * RETURN:      The next instance number for this signature. Zero if this
  453.  *              is the first instance of this signature.
  454.  *
  455.  * DESCRIPTION: Get the next instance number of the specified table. If this
  456.  *              is the first instance of the table, create a new instance
  457.  *              block. Note: only SSDT and PSDT tables can have multiple
  458.  *              instances.
  459.  *
  460.  ******************************************************************************/
  461.  
  462. unsigned int
  463. GetNextInstance (
  464.     char                    *InputPathname,
  465.     char                    *Signature)
  466. {
  467.     struct TableInfo        *Info;
  468.  
  469.  
  470.     Info = ListHead;
  471.     while (Info)
  472.     {
  473.         if (*(unsigned int *) Signature == Info->Signature)
  474.         {
  475.             break;
  476.         }
  477.  
  478.         Info = Info->Next;
  479.     }
  480.  
  481.     if (!Info)
  482.     {
  483.         /* Signature not found, create new table info block */
  484.  
  485.         Info = malloc (sizeof (struct TableInfo));
  486.         if (!Info)
  487.         {
  488.             printf ("Could not allocate memory\n");
  489.             exit (0);
  490.         }
  491.  
  492.         Info->Signature = *(unsigned int *) Signature;
  493.         Info->Instances = CountTableInstances (InputPathname, Signature);
  494.         Info->NextInstance = 1;
  495.         Info->Next = ListHead;
  496.         ListHead = Info;
  497.     }
  498.  
  499.     if (Info->Instances > 1)
  500.     {
  501.         return (Info->NextInstance++);
  502.     }
  503.  
  504.     return (0);
  505. }
  506.  
  507.  
  508. /******************************************************************************
  509.  *
  510.  * FUNCTION:    ExtractTables
  511.  *
  512.  * PARAMETERS:  InputPathname       - Filename for acpidump file
  513.  *              Signature           - Requested ACPI signature to extract.
  514.  *                                    NULL means extract ALL tables.
  515.  *              MinimumInstances    - Min instances that are acceptable
  516.  *
  517.  * RETURN:      Status
  518.  *
  519.  * DESCRIPTION: Convert text ACPI tables to binary
  520.  *
  521.  ******************************************************************************/
  522.  
  523. int
  524. ExtractTables (
  525.     char                    *InputPathname,
  526.     char                    *Signature,
  527.     unsigned int            MinimumInstances)
  528. {
  529.     char                    Buffer[BUFFER_SIZE];
  530.     FILE                    *InputFile;
  531.     FILE                    *OutputFile = NULL;
  532.     size_t                  BytesWritten;
  533.     size_t                  TotalBytesWritten = 0;
  534.     size_t                  BytesConverted;
  535.     unsigned int            State = FIND_HEADER;
  536.     unsigned int            FoundTable = 0;
  537.     unsigned int            Instances = 0;
  538.     unsigned int            ThisInstance;
  539.     char                    ThisSignature[4];
  540.     int                     Status = 0;
  541.  
  542.  
  543.     /* Open input in text mode, output is in binary mode */
  544.  
  545.     InputFile = fopen (InputPathname, "rt");
  546.     if (!InputFile)
  547.     {
  548.         printf ("Could not open %s\n", InputPathname);
  549.         return (-1);
  550.     }
  551.  
  552.     if (Signature)
  553.     {
  554.         /* Are there enough instances of the table to continue? */
  555.  
  556.         NormalizeSignature (Signature);
  557.  
  558.         Instances = CountTableInstances (InputPathname, Signature);
  559.         if (Instances < MinimumInstances)
  560.         {
  561.             printf ("Table %s was not found in %s\n", Signature, InputPathname);
  562.             Status = -1;
  563.             goto CleanupAndExit;
  564.         }
  565.  
  566.         if (Instances == 0)
  567.         {
  568.             goto CleanupAndExit;
  569.         }
  570.     }
  571.  
  572.     /* Convert all instances of the table to binary */
  573.  
  574.     while (fgets (Buffer, BUFFER_SIZE, InputFile))
  575.     {
  576.         switch (State)
  577.         {
  578.         case FIND_HEADER:
  579.  
  580.             /* Ignore empty lines and lines that start with a space */
  581.  
  582.             if ((Buffer[0] == ' ') ||
  583.                 (Buffer[0] == '\n'))
  584.             {
  585.                 continue;
  586.             }
  587.  
  588.             NormalizeSignature (Buffer);
  589.             strncpy (ThisSignature, Buffer, 4);
  590.  
  591.             if (Signature)
  592.             {
  593.                 /* Ignore signatures that don't match */
  594.  
  595.                 if (strncmp (ThisSignature, Signature, 4))
  596.                 {
  597.                     continue;
  598.                 }
  599.             }
  600.  
  601.             /*
  602.              * Get the instance number for this signature. Only the
  603.              * SSDT and PSDT tables can have multiple instances.
  604.              */
  605.             ThisInstance = GetNextInstance (InputPathname, ThisSignature);
  606.  
  607.             /* Build an output filename and create/open the output file */
  608.  
  609.             if (ThisInstance > 0)
  610.             {
  611.                 sprintf (Filename, "%4.4s%u.dat", ThisSignature, ThisInstance);
  612.             }
  613.             else
  614.             {
  615.                 sprintf (Filename, "%4.4s.dat", ThisSignature);
  616.             }
  617.  
  618.             OutputFile = fopen (Filename, "w+b");
  619.             if (!OutputFile)
  620.             {
  621.                 printf ("Could not open %s\n", Filename);
  622.                 Status = -1;
  623.                 goto CleanupAndExit;
  624.             }
  625.  
  626.             State = EXTRACT_DATA;
  627.             TotalBytesWritten = 0;
  628.             FoundTable = 1;
  629.             continue;
  630.  
  631.         case EXTRACT_DATA:
  632.  
  633.             /* Empty line or non-data line terminates the data */
  634.  
  635.             if ((Buffer[0] == '\n') ||
  636.                 (Buffer[0] != ' '))
  637.             {
  638.                 fclose (OutputFile);
  639.                 OutputFile = NULL;
  640.                 State = FIND_HEADER;
  641.  
  642.                 printf ("Acpi table [%4.4s] - % 7d bytes written to %s\n",
  643.                     ThisSignature, TotalBytesWritten, Filename);
  644.                 continue;
  645.             }
  646.  
  647.             /* Convert the ascii data (one line of text) to binary */
  648.  
  649.             BytesConverted = ConvertLine (Buffer, Data);
  650.  
  651.             /* Write the binary data */
  652.  
  653.             BytesWritten = fwrite (Data, 1, BytesConverted, OutputFile);
  654.             if (BytesWritten != BytesConverted)
  655.             {
  656.                 printf ("Write error on %s\n", Filename);
  657.                 fclose (OutputFile);
  658.                 OutputFile = NULL;
  659.                 Status = -1;
  660.                 goto CleanupAndExit;
  661.             }
  662.  
  663.             TotalBytesWritten += BytesConverted;
  664.             continue;
  665.  
  666.         default:
  667.             Status = -1;
  668.             goto CleanupAndExit;
  669.         }
  670.     }
  671.  
  672.     if (!FoundTable)
  673.     {
  674.         printf ("Table %s was not found in %s\n", Signature, InputPathname);
  675.     }
  676.  
  677.  
  678. CleanupAndExit:
  679.  
  680.     if (OutputFile)
  681.     {
  682.         fclose (OutputFile);
  683.         if (State == EXTRACT_DATA)
  684.         {
  685.             /* Received an EOF while extracting data */
  686.  
  687.             printf ("Acpi table [%4.4s] - % 7d bytes written to %s\n",
  688.                 ThisSignature, TotalBytesWritten, Filename);
  689.         }
  690.     }
  691.  
  692.     fclose (InputFile);
  693.     return (Status);
  694. }
  695.  
  696.  
  697. /******************************************************************************
  698.  *
  699.  * FUNCTION:    ListTables
  700.  *
  701.  * PARAMETERS:  InputPathname       - Filename for acpidump file
  702.  *
  703.  * RETURN:      Status
  704.  *
  705.  * DESCRIPTION: Display info for all ACPI tables found in input. Does not
  706.  *              perform an actual extraction of the tables.
  707.  *
  708.  ******************************************************************************/
  709.  
  710. int
  711. ListTables (
  712.     char                    *InputPathname)
  713. {
  714.     FILE                    *InputFile;
  715.     char                    Buffer[BUFFER_SIZE];
  716.     size_t                  HeaderSize;
  717.     unsigned char           Header[48];
  718.     int                     TableCount = 0;
  719.     ACPI_TABLE_HEADER       *TableHeader = (ACPI_TABLE_HEADER *) (void *) Header;
  720.  
  721.  
  722.     /* Open input in text mode, output is in binary mode */
  723.  
  724.     InputFile = fopen (InputPathname, "rt");
  725.     if (!InputFile)
  726.     {
  727.         printf ("Could not open %s\n", InputPathname);
  728.         return (-1);
  729.     }
  730.  
  731.     /* Dump the headers for all tables found in the input file */
  732.  
  733.     printf ("\nSignature Length Revision  OemId     OemTableId"
  734.             "   OemRevision CompilerId CompilerRevision\n\n");
  735.  
  736.     while (fgets (Buffer, BUFFER_SIZE, InputFile))
  737.     {
  738.         /* Ignore empty lines and lines that start with a space */
  739.  
  740.         if ((Buffer[0] == ' ') ||
  741.             (Buffer[0] == '\n'))
  742.         {
  743.             continue;
  744.         }
  745.  
  746.         /* Get the 36 byte header and display the fields */
  747.  
  748.         HeaderSize = GetTableHeader (InputFile, Header);
  749.         if (HeaderSize < 16)
  750.         {
  751.             continue;
  752.         }
  753.  
  754.         /* RSDP has an oddball signature and header */
  755.  
  756.         if (!strncmp (TableHeader->Signature, "RSD PTR ", 8))
  757.         {
  758.             CheckAscii ((char *) &Header[9], 6);
  759.             printf ("%8.4s                   \"%6.6s\"\n", "RSDP", &Header[9]);
  760.             TableCount++;
  761.             continue;
  762.         }
  763.  
  764.         /* Minimum size for table with standard header */
  765.  
  766.         if (HeaderSize < 36)
  767.         {
  768.             continue;
  769.         }
  770.  
  771.         /* Signature and Table length */
  772.  
  773.         TableCount++;
  774.         printf ("%8.4s % 7d", TableHeader->Signature, TableHeader->Length);
  775.  
  776.         /* FACS has only signature and length */
  777.  
  778.         if (!strncmp (TableHeader->Signature, "FACS", 4))
  779.         {
  780.             printf ("\n");
  781.             continue;
  782.         }
  783.  
  784.         /* OEM IDs and Compiler IDs */
  785.  
  786.         CheckAscii (TableHeader->OemId, 6);
  787.         CheckAscii (TableHeader->OemTableId, 8);
  788.         CheckAscii (TableHeader->AslCompilerId, 4);
  789.  
  790.         printf ("     %2.2X    \"%6.6s\"  \"%8.8s\"    %8.8X    \"%4.4s\"     %8.8X\n",
  791.             TableHeader->Revision, TableHeader->OemId,
  792.             TableHeader->OemTableId, TableHeader->OemRevision,
  793.             TableHeader->AslCompilerId, TableHeader->AslCompilerRevision);
  794.     }
  795.  
  796.     printf ("\nFound %u ACPI tables [%8.8X]\n", TableCount, VERSION);
  797.     fclose (InputFile);
  798.     return (0);
  799. }
  800.  
  801.  
  802. /******************************************************************************
  803.  *
  804.  * FUNCTION:    main
  805.  *
  806.  * DESCRIPTION: C main function
  807.  *
  808.  ******************************************************************************/
  809.  
  810. int
  811. main (
  812.     int                     argc,
  813.     char                    *argv[])
  814. {
  815.     int                     Status;
  816.  
  817.  
  818.     if (argc < 2)
  819.     {
  820.         DisplayUsage ();
  821.         return (0);
  822.     }
  823.  
  824.     if (argv[1][0] == '-')
  825.     {
  826.         if (argc < 3)
  827.         {
  828.             DisplayUsage ();
  829.             return (0);
  830.         }
  831.  
  832.         switch (argv[1][1])
  833.         {
  834.         case 'a':
  835.  
  836.             /* Extract all tables found */
  837.  
  838.             return (ExtractTables (argv[2], NULL, 0));
  839.  
  840.         case 'l':
  841.  
  842.             /* List tables only, do not extract */
  843.  
  844.             return (ListTables (argv[2]));
  845.  
  846.         case 's':
  847.  
  848.             /* Extract only tables with this signature */
  849.  
  850.             return (ExtractTables (argv[2], &argv[1][2], 1));
  851.  
  852.         default:
  853.             DisplayUsage ();
  854.             return (0);
  855.         }
  856.     }
  857.  
  858.     /*
  859.      * Default output is the DSDT and all SSDTs. One DSDT is required,
  860.      * any SSDTs are optional.
  861.      */
  862.     Status = ExtractTables (argv[1], "DSDT", 1);
  863.     if (Status)
  864.     {
  865.         return (Status);
  866.     }
  867.  
  868.     Status = ExtractTables (argv[1], "SSDT", 0);
  869.     return (Status);
  870. }
  871.  
  872.  
  873.