usr/src/cmd/acpi/acpixtract/acpixtract.c

   1 /******************************************************************************
   2  *
   3  * Module Name: acpixtract - convert ascii ACPI tables to binary
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2016, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #include "acpixtract.h"
  45
  46
  47 /* Local prototypes */
  48
  49 static BOOLEAN
  50 AxIsFileAscii (
  51     FILE                    *Handle);
  52
  53
  54 /******************************************************************************
  55  *
  56  * FUNCTION:    AxExtractTables
  57  *
  58  * PARAMETERS:  InputPathname       - Filename for input acpidump file
  59  *              Signature           - Requested ACPI signature to extract.
  60  *                                    NULL means extract ALL tables.
  61  *              MinimumInstances    - Min instances that are acceptable
  62  *
  63  * RETURN:      Status
  64  *
  65  * DESCRIPTION: Convert text ACPI tables to binary
  66  *
  67  ******************************************************************************/
  68
  69 int
  70 AxExtractTables (
  71     char                    *InputPathname,
  72     char                    *Signature,
  73     unsigned int            MinimumInstances)
  74 {
  75     FILE                    *InputFile;
  76     FILE                    *OutputFile = NULL;
  77     unsigned int            BytesConverted;
  78     unsigned int            ThisTableBytesWritten = 0;
  79     unsigned int            FoundTable = 0;
  80     unsigned int            Instances = 0;
  81     unsigned int            ThisInstance;
  82     char                    ThisSignature[5];
  83     char                    UpperSignature[5];
  84     int                     Status = 0;
  85     unsigned int            State = AX_STATE_FIND_HEADER;
  86
  87
  88     /* Open input in text mode, output is in binary mode */
  89
  90     InputFile = fopen (InputPathname, "rt");
  91     if (!InputFile)
  92     {
  93         printf ("Could not open input file %s\n", InputPathname);
  94         return (-1);
  95     }
  96
  97     if (!AxIsFileAscii (InputFile))
  98     {
  99         fclose (InputFile);
 100         return (-1);
 101     }
 102
 103     if (Signature)
 104     {
 105         strncpy (UpperSignature, Signature, 4);
 106         UpperSignature[4] = 0;
 107         AcpiUtStrupr (UpperSignature);
 108
 109         /* Are there enough instances of the table to continue? */
 110
 111         AxNormalizeSignature (UpperSignature);
 112
 113         Instances = AxCountTableInstances (InputPathname, UpperSignature);
 114         if (Instances < MinimumInstances)
 115         {
 116             printf ("Table [%s] was not found in %s\n",
 117                 UpperSignature, InputPathname);
 118             fclose (InputFile);
 119             return (-1);
 120         }
 121
 122         if (Instances == 0)
 123         {
 124             fclose (InputFile);
 125             return (-1);
 126         }
 127     }
 128
 129     /* Convert all instances of the table to binary */
 130
 131     while (fgets (Gbl_LineBuffer, AX_LINE_BUFFER_SIZE, InputFile))
 132     {
 133         switch (State)
 134         {
 135         case AX_STATE_FIND_HEADER:
 136
 137             if (!AxIsDataBlockHeader ())
 138             {
 139                 continue;
 140             }
 141
 142             ACPI_MOVE_NAME (ThisSignature, Gbl_LineBuffer);
 143             if (Signature)
 144             {
 145                 /* Ignore signatures that don't match */
 146
 147                 if (!ACPI_COMPARE_NAME (ThisSignature, UpperSignature))
 148                 {
 149                     continue;
 150                 }
 151             }
 152
 153             /*
 154              * Get the instance number for this signature. Only the
 155              * SSDT and PSDT tables can have multiple instances.
 156              */
 157             ThisInstance = AxGetNextInstance (InputPathname, ThisSignature);
 158
 159             /* Build an output filename and create/open the output file */
 160
 161             if (ThisInstance > 0)
 162             {
 163                 /* Add instance number to the output filename */
 164
 165                 sprintf (Gbl_OutputFilename, "%4.4s%u.dat",
 166                     ThisSignature, ThisInstance);
 167             }
 168             else
 169             {
 170                 sprintf (Gbl_OutputFilename, "%4.4s.dat",
 171                     ThisSignature);
 172             }
 173
 174             AcpiUtStrlwr (Gbl_OutputFilename);
 175             OutputFile = fopen (Gbl_OutputFilename, "w+b");
 176             if (!OutputFile)
 177             {
 178                 printf ("Could not open output file %s\n",
 179                     Gbl_OutputFilename);
 180                 fclose (InputFile);
 181                 return (-1);
 182             }
 183
 184             /*
 185              * Toss this block header of the form "<sig> @ <addr>" line
 186              * and move on to the actual data block
 187              */
 188             Gbl_TableCount++;
 189             FoundTable = 1;
 190             ThisTableBytesWritten = 0;
 191             State = AX_STATE_EXTRACT_DATA;
 192             continue;
 193
 194         case AX_STATE_EXTRACT_DATA:
 195
 196             /* Empty line or non-data line terminates the data block */
 197
 198             BytesConverted = AxProcessOneTextLine (
 199                 OutputFile, ThisSignature, ThisTableBytesWritten);
 200             switch (BytesConverted)
 201             {
 202             case 0:
 203
 204                 State = AX_STATE_FIND_HEADER; /* No more data block lines */
 205                 continue;
 206
 207             case -1:
 208
 209                 goto CleanupAndExit; /* There was a write error */
 210
 211             default: /* Normal case, get next line */
 212
 213                 ThisTableBytesWritten += BytesConverted;
 214                 continue;
 215             }
 216
 217         default:
 218
 219             Status = -1;
 220             goto CleanupAndExit;
 221         }
 222     }
 223
 224     if (!FoundTable)
 225     {
 226         printf ("No ACPI tables were found in %s\n", InputPathname);
 227     }
 228
 229
 230 CleanupAndExit:
 231
 232     if (State == AX_STATE_EXTRACT_DATA)
 233     {
 234         /* Received an input file EOF while extracting data */
 235
 236         printf (AX_TABLE_INFO_FORMAT,
 237             ThisSignature, ThisTableBytesWritten, Gbl_OutputFilename);
 238     }
 239
 240     if (Gbl_TableCount > 1)
 241     {
 242         printf ("\n%u binary ACPI tables extracted\n",
 243             Gbl_TableCount);
 244     }
 245
 246     if (OutputFile)
 247     {
 248         fclose (OutputFile);
 249     }
 250
 251     fclose (InputFile);
 252     return (Status);
 253 }
 254
 255
 256 /******************************************************************************
 257  *
 258  * FUNCTION:    AxExtractToMultiAmlFile
 259  *
 260  * PARAMETERS:  InputPathname       - Filename for input acpidump file
 261  *
 262  * RETURN:      Status
 263  *
 264  * DESCRIPTION: Convert all DSDT/SSDT tables to binary and append them all
 265  *              into a single output file. Used to simplify the loading of
 266  *              multiple/many SSDTs into a utility like acpiexec -- instead
 267  *              of creating many separate output files.
 268  *
 269  ******************************************************************************/
 270
 271 int
 272 AxExtractToMultiAmlFile (
 273     char                    *InputPathname)
 274 {
 275     FILE                    *InputFile;
 276     FILE                    *OutputFile;
 277     int                     Status = 0;
 278     unsigned int            TotalBytesWritten = 0;
 279     unsigned int            ThisTableBytesWritten = 0;
 280     unsigned int             BytesConverted;
 281     char                    ThisSignature[4];
 282     unsigned int            State = AX_STATE_FIND_HEADER;
 283
 284
 285     strcpy (Gbl_OutputFilename, AX_MULTI_TABLE_FILENAME);
 286
 287     /* Open the input file in text mode */
 288
 289     InputFile = fopen (InputPathname, "rt");
 290     if (!InputFile)
 291     {
 292         printf ("Could not open input file %s\n", InputPathname);
 293         return (-1);
 294     }
 295
 296     if (!AxIsFileAscii (InputFile))
 297     {
 298         fclose (InputFile);
 299         return (-1);
 300     }
 301
 302     /* Open the output file in binary mode */
 303
 304     OutputFile = fopen (Gbl_OutputFilename, "w+b");
 305     if (!OutputFile)
 306     {
 307         printf ("Could not open output file %s\n", Gbl_OutputFilename);
 308         fclose (InputFile);
 309         return (-1);
 310     }
 311
 312     /* Convert the DSDT and all SSDTs to binary */
 313
 314     while (fgets (Gbl_LineBuffer, AX_LINE_BUFFER_SIZE, InputFile))
 315     {
 316         switch (State)
 317         {
 318         case AX_STATE_FIND_HEADER:
 319
 320             if (!AxIsDataBlockHeader ())
 321             {
 322                 continue;
 323             }
 324
 325             ACPI_MOVE_NAME (ThisSignature, Gbl_LineBuffer);
 326
 327             /* Only want DSDT and SSDTs */
 328
 329             if (!ACPI_COMPARE_NAME (ThisSignature, ACPI_SIG_DSDT) &&
 330                 !ACPI_COMPARE_NAME (ThisSignature, ACPI_SIG_SSDT))
 331             {
 332                 continue;
 333             }
 334
 335             /*
 336              * Toss this block header of the form "<sig> @ <addr>" line
 337              * and move on to the actual data block
 338              */
 339             Gbl_TableCount++;
 340             ThisTableBytesWritten = 0;
 341             State = AX_STATE_EXTRACT_DATA;
 342             continue;
 343
 344         case AX_STATE_EXTRACT_DATA:
 345
 346             /* Empty line or non-data line terminates the data block */
 347
 348             BytesConverted = AxProcessOneTextLine (
 349                 OutputFile, ThisSignature, ThisTableBytesWritten);
 350             switch (BytesConverted)
 351             {
 352             case 0:
 353
 354                 State = AX_STATE_FIND_HEADER; /* No more data block lines */
 355                 continue;
 356
 357             case -1:
 358
 359                 goto CleanupAndExit; /* There was a write error */
 360
 361             default: /* Normal case, get next line */
 362
 363                 ThisTableBytesWritten += BytesConverted;
 364                 TotalBytesWritten += BytesConverted;
 365                 continue;
 366             }
 367
 368         default:
 369
 370             Status = -1;
 371             goto CleanupAndExit;
 372         }
 373     }
 374
 375
 376 CleanupAndExit:
 377
 378     if (State == AX_STATE_EXTRACT_DATA)
 379     {
 380         /* Received an input file EOF or error while writing data */
 381
 382         printf (AX_TABLE_INFO_FORMAT,
 383             ThisSignature, ThisTableBytesWritten, Gbl_OutputFilename);
 384     }
 385
 386     printf ("\n%u binary ACPI tables extracted and written to %s (%u bytes)\n",
 387         Gbl_TableCount, Gbl_OutputFilename, TotalBytesWritten);
 388
 389     fclose (InputFile);
 390     fclose (OutputFile);
 391     return (Status);
 392 }
 393
 394
 395 /******************************************************************************
 396  *
 397  * FUNCTION:    AxListTables
 398  *
 399  * PARAMETERS:  InputPathname       - Filename for acpidump file
 400  *
 401  * RETURN:      Status
 402  *
 403  * DESCRIPTION: Display info for all ACPI tables found in input. Does not
 404  *              perform an actual extraction of the tables.
 405  *
 406  ******************************************************************************/
 407
 408 int
 409 AxListTables (
 410     char                    *InputPathname)
 411 {
 412     FILE                    *InputFile;
 413     size_t                  HeaderSize;
 414     unsigned char           Header[48];
 415     ACPI_TABLE_HEADER       *TableHeader = (ACPI_TABLE_HEADER *) (void *) Header;
 416
 417
 418     /* Open input in text mode, output is in binary mode */
 419
 420     InputFile = fopen (InputPathname, "rt");
 421     if (!InputFile)
 422     {
 423         printf ("Could not open input file %s\n", InputPathname);
 424         return (-1);
 425     }
 426
 427     if (!AxIsFileAscii (InputFile))
 428     {
 429         fclose (InputFile);
 430         return (-1);
 431     }
 432
 433     /* Dump the headers for all tables found in the input file */
 434
 435     printf ("\nSignature  Length      Revision   OemId    OemTableId"
 436         "   OemRevision CompilerId CompilerRevision\n\n");
 437
 438     while (fgets (Gbl_LineBuffer, AX_LINE_BUFFER_SIZE, InputFile))
 439     {
 440         /* Ignore empty lines and lines that start with a space */
 441
 442         if (AxIsEmptyLine (Gbl_LineBuffer) ||
 443             (Gbl_LineBuffer[0] == ' '))
 444         {
 445             continue;
 446         }
 447
 448         /* Get the 36 byte header and display the fields */
 449
 450         HeaderSize = AxGetTableHeader (InputFile, Header);
 451         if (HeaderSize < 16)
 452         {
 453             continue;
 454         }
 455
 456         /* RSDP has an oddball signature and header */
 457
 458         if (!strncmp (TableHeader->Signature, "RSD PTR ", 8))
 459         {
 460             AxCheckAscii ((char *) &Header[9], 6);
 461             printf ("%7.4s                          \"%6.6s\"\n", "RSDP",
 462                 &Header[9]);
 463             Gbl_TableCount++;
 464             continue;
 465         }
 466
 467         /* Minimum size for table with standard header */
 468
 469         if (HeaderSize < sizeof (ACPI_TABLE_HEADER))
 470         {
 471             continue;
 472         }
 473
 474         if (!AcpiUtValidNameseg (TableHeader->Signature))
 475         {
 476             continue;
 477         }
 478
 479         /* Signature and Table length */
 480
 481         Gbl_TableCount++;
 482         printf ("%7.4s   0x%8.8X", TableHeader->Signature,
 483             TableHeader->Length);
 484
 485         /* FACS has only signature and length */
 486
 487         if (ACPI_COMPARE_NAME (TableHeader->Signature, "FACS"))
 488         {
 489             printf ("\n");
 490             continue;
 491         }
 492
 493         /* OEM IDs and Compiler IDs */
 494
 495         AxCheckAscii (TableHeader->OemId, 6);
 496         AxCheckAscii (TableHeader->OemTableId, 8);
 497         AxCheckAscii (TableHeader->AslCompilerId, 4);
 498
 499         printf (
 500             "     0x%2.2X    \"%6.6s\"  \"%8.8s\"   0x%8.8X"
 501             "    \"%4.4s\"     0x%8.8X\n",
 502             TableHeader->Revision, TableHeader->OemId,
 503             TableHeader->OemTableId, TableHeader->OemRevision,
 504             TableHeader->AslCompilerId, TableHeader->AslCompilerRevision);
 505     }
 506
 507     printf ("\nFound %u ACPI tables in %s\n", Gbl_TableCount, InputPathname);
 508     fclose (InputFile);
 509     return (0);
 510 }
 511
 512
 513 /*******************************************************************************
 514  *
 515  * FUNCTION:    AxIsFileAscii
 516  *
 517  * PARAMETERS:  Handle              - To open input file
 518  *
 519  * RETURN:      TRUE if file is entirely ASCII and printable
 520  *
 521  * DESCRIPTION: Verify that the input file is entirely ASCII.
 522  *
 523  ******************************************************************************/
 524
 525 static BOOLEAN
 526 AxIsFileAscii (
 527     FILE                    *Handle)
 528 {
 529     UINT8                   Byte;
 530
 531
 532     /* Read the entire file */
 533
 534     while (fread (&Byte, 1, 1, Handle) == 1)
 535     {
 536         /* Check for an ASCII character */
 537
 538         if (!ACPI_IS_ASCII (Byte))
 539         {
 540             goto ErrorExit;
 541         }
 542
 543         /* Ensure character is either printable or a "space" char */
 544
 545         else if (!isprint (Byte) && !isspace (Byte))
 546         {
 547             goto ErrorExit;
 548         }
 549     }
 550
 551     /* File is OK (100% ASCII) */
 552
 553     fseek (Handle, 0, SEEK_SET);
 554     return (TRUE);
 555
 556 ErrorExit:
 557
 558     printf ("File is binary (contains non-text or non-ascii characters)\n");
 559     fseek (Handle, 0, SEEK_SET);
 560     return (FALSE);
 561
 562 }