1 /****************************************************************************** 2 * 3 * Module Name: adisasm - Application-level disassembler routines 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2015, 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 "aslcompiler.h" 45 #include "acparser.h" 46 #include "amlcode.h" 47 #include "acdisasm.h" 48 #include "acdispat.h" 49 #include "acnamesp.h" 50 #include "actables.h" 51 #include "acapps.h" 52 53 #include <stdio.h> 54 #include <time.h> 55 56 57 #define _COMPONENT ACPI_TOOLS 58 ACPI_MODULE_NAME ("adisasm") 59 60 /* Local prototypes */ 61 62 static void 63 AdCreateTableHeader ( 64 char *Filename, 65 ACPI_TABLE_HEADER *Table); 66 67 static ACPI_STATUS 68 AdStoreTable ( 69 ACPI_TABLE_HEADER *Table, 70 UINT32 *TableIndex); 71 72 /* Stubs for ASL compiler */ 73 74 #ifndef ACPI_ASL_COMPILER 75 BOOLEAN 76 AcpiDsIsResultUsed ( 77 ACPI_PARSE_OBJECT *Op, 78 ACPI_WALK_STATE *WalkState) 79 { 80 return TRUE; 81 } 82 83 ACPI_STATUS 84 AcpiDsMethodError ( 85 ACPI_STATUS Status, 86 ACPI_WALK_STATE *WalkState) 87 { 88 return (Status); 89 } 90 #endif 91 92 ACPI_STATUS 93 AcpiNsLoadTable ( 94 UINT32 TableIndex, 95 ACPI_NAMESPACE_NODE *Node) 96 { 97 return (AE_NOT_IMPLEMENTED); 98 } 99 100 ACPI_STATUS 101 AcpiDsRestartControlMethod ( 102 ACPI_WALK_STATE *WalkState, 103 ACPI_OPERAND_OBJECT *ReturnDesc) 104 { 105 return (AE_OK); 106 } 107 108 void 109 AcpiDsTerminateControlMethod ( 110 ACPI_OPERAND_OBJECT *MethodDesc, 111 ACPI_WALK_STATE *WalkState) 112 { 113 return; 114 } 115 116 ACPI_STATUS 117 AcpiDsCallControlMethod ( 118 ACPI_THREAD_STATE *Thread, 119 ACPI_WALK_STATE *WalkState, 120 ACPI_PARSE_OBJECT *Op) 121 { 122 return (AE_OK); 123 } 124 125 ACPI_STATUS 126 AcpiDsMethodDataInitArgs ( 127 ACPI_OPERAND_OBJECT **Params, 128 UINT32 MaxParamCount, 129 ACPI_WALK_STATE *WalkState) 130 { 131 return (AE_OK); 132 } 133 134 135 static ACPI_TABLE_DESC LocalTables[1]; 136 ACPI_PARSE_OBJECT *AcpiGbl_ParseOpRoot; 137 138 139 /******************************************************************************* 140 * 141 * FUNCTION: AdInitialize 142 * 143 * PARAMETERS: None 144 * 145 * RETURN: Status 146 * 147 * DESCRIPTION: ACPICA and local initialization 148 * 149 ******************************************************************************/ 150 151 ACPI_STATUS 152 AdInitialize ( 153 void) 154 { 155 ACPI_STATUS Status; 156 157 158 /* ACPICA subsystem initialization */ 159 160 Status = AcpiOsInitialize (); 161 if (ACPI_FAILURE (Status)) 162 { 163 return (Status); 164 } 165 166 Status = AcpiUtInitGlobals (); 167 if (ACPI_FAILURE (Status)) 168 { 169 return (Status); 170 } 171 172 Status = AcpiUtMutexInitialize (); 173 if (ACPI_FAILURE (Status)) 174 { 175 return (Status); 176 } 177 178 Status = AcpiNsRootInitialize (); 179 if (ACPI_FAILURE (Status)) 180 { 181 return (Status); 182 } 183 184 /* Setup the Table Manager (cheat - there is no RSDT) */ 185 186 AcpiGbl_RootTableList.MaxTableCount = 1; 187 AcpiGbl_RootTableList.CurrentTableCount = 0; 188 AcpiGbl_RootTableList.Tables = LocalTables; 189 190 return (Status); 191 } 192 193 194 /****************************************************************************** 195 * 196 * FUNCTION: AdAmlDisassemble 197 * 198 * PARAMETERS: Filename - AML input filename 199 * OutToFile - TRUE if output should go to a file 200 * Prefix - Path prefix for output 201 * OutFilename - where the filename is returned 202 * 203 * RETURN: Status 204 * 205 * DESCRIPTION: Disassemble an entire ACPI table 206 * 207 *****************************************************************************/ 208 209 ACPI_STATUS 210 AdAmlDisassemble ( 211 BOOLEAN OutToFile, 212 char *Filename, 213 char *Prefix, 214 char **OutFilename) 215 { 216 ACPI_STATUS Status; 217 char *DisasmFilename = NULL; 218 char *ExternalFilename; 219 ACPI_EXTERNAL_FILE *ExternalFileList = AcpiGbl_ExternalFileList; 220 FILE *File = NULL; 221 ACPI_TABLE_HEADER *Table = NULL; 222 ACPI_TABLE_HEADER *ExternalTable; 223 ACPI_OWNER_ID OwnerId; 224 225 226 /* 227 * Input: AML code from either a file or via GetTables (memory or 228 * registry) 229 */ 230 if (Filename) 231 { 232 Status = AcpiDbGetTableFromFile (Filename, &Table); 233 if (ACPI_FAILURE (Status)) 234 { 235 return (Status); 236 } 237 238 /* 239 * External filenames separated by commas 240 * Example: iasl -e file1,file2,file3 -d xxx.aml 241 */ 242 while (ExternalFileList) 243 { 244 ExternalFilename = ExternalFileList->Path; 245 if (!ACPI_STRCMP (ExternalFilename, Filename)) 246 { 247 /* Next external file */ 248 249 ExternalFileList = ExternalFileList->Next; 250 continue; 251 } 252 253 Status = AcpiDbGetTableFromFile (ExternalFilename, &ExternalTable); 254 if (ACPI_FAILURE (Status)) 255 { 256 return (Status); 257 } 258 259 /* Load external table for symbol resolution */ 260 261 if (ExternalTable) 262 { 263 Status = AdParseTable (ExternalTable, &OwnerId, TRUE, TRUE); 264 if (ACPI_FAILURE (Status)) 265 { 266 AcpiOsPrintf ("Could not parse external ACPI tables, %s\n", 267 AcpiFormatException (Status)); 268 return (Status); 269 } 270 271 /* 272 * Load namespace from names created within control methods 273 * Set owner id of nodes in external table 274 */ 275 AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot, 276 AcpiGbl_RootNode, OwnerId); 277 AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); 278 } 279 280 /* Next external file */ 281 282 ExternalFileList = ExternalFileList->Next; 283 } 284 285 /* Clear external list generated by Scope in external tables */ 286 287 if (AcpiGbl_ExternalFileList) 288 { 289 AcpiDmClearExternalList (); 290 } 291 292 /* Load any externals defined in the optional external ref file */ 293 294 AcpiDmGetExternalsFromFile (); 295 } 296 else 297 { 298 Status = AdGetLocalTables (); 299 if (ACPI_FAILURE (Status)) 300 { 301 AcpiOsPrintf ("Could not get ACPI tables, %s\n", 302 AcpiFormatException (Status)); 303 return (Status); 304 } 305 306 if (!AcpiGbl_DbOpt_Disasm) 307 { 308 return (AE_OK); 309 } 310 311 /* Obtained the local tables, just disassemble the DSDT */ 312 313 Status = AcpiGetTable (ACPI_SIG_DSDT, 0, &Table); 314 if (ACPI_FAILURE (Status)) 315 { 316 AcpiOsPrintf ("Could not get DSDT, %s\n", 317 AcpiFormatException (Status)); 318 return (Status); 319 } 320 321 AcpiOsPrintf ("\nDisassembly of DSDT\n"); 322 Prefix = AdGenerateFilename ("dsdt", Table->OemTableId); 323 } 324 325 /* 326 * Output: ASL code. Redirect to a file if requested 327 */ 328 if (OutToFile) 329 { 330 /* Create/Open a disassembly output file */ 331 332 DisasmFilename = FlGenerateFilename (Prefix, FILE_SUFFIX_DISASSEMBLY); 333 if (!DisasmFilename) 334 { 335 fprintf (stderr, "Could not generate output filename\n"); 336 Status = AE_ERROR; 337 goto Cleanup; 338 } 339 340 File = fopen (DisasmFilename, "w+"); 341 if (!File) 342 { 343 fprintf (stderr, "Could not open output file %s\n", DisasmFilename); 344 Status = AE_ERROR; 345 goto Cleanup; 346 } 347 348 AcpiOsRedirectOutput (File); 349 } 350 351 *OutFilename = DisasmFilename; 352 353 /* ForceAmlDisassembly means to assume the table contains valid AML */ 354 355 if (!AcpiGbl_ForceAmlDisassembly && !AcpiUtIsAmlTable (Table)) 356 { 357 AdDisassemblerHeader (Filename, ACPI_IS_DATA_TABLE); 358 AcpiOsPrintf (" * ACPI Data Table [%4.4s]\n *\n", 359 Table->Signature); 360 AcpiOsPrintf (" * Format: [HexOffset DecimalOffset ByteLength] " 361 "FieldName : FieldValue\n */\n\n"); 362 363 AcpiDmDumpDataTable (Table); 364 fprintf (stderr, "Acpi Data Table [%4.4s] decoded\n", 365 Table->Signature); 366 367 if (File) 368 { 369 fprintf (stderr, "Formatted output: %s - %u bytes\n", 370 DisasmFilename, CmGetFileSize (File)); 371 } 372 } 373 else 374 { 375 /* Always parse the tables, only option is what to display */ 376 377 Status = AdParseTable (Table, &OwnerId, TRUE, FALSE); 378 if (ACPI_FAILURE (Status)) 379 { 380 AcpiOsPrintf ("Could not parse ACPI tables, %s\n", 381 AcpiFormatException (Status)); 382 goto Cleanup; 383 } 384 385 if (AslCompilerdebug) 386 { 387 AcpiOsPrintf ("/**** Before second load\n"); 388 389 if (File) 390 { 391 NsSetupNamespaceListing (File); 392 NsDisplayNamespace (); 393 } 394 AcpiOsPrintf ("*****/\n"); 395 } 396 397 /* Load namespace from names created within control methods */ 398 399 AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot, 400 AcpiGbl_RootNode, OwnerId); 401 402 /* 403 * Cross reference the namespace here, in order to 404 * generate External() statements 405 */ 406 AcpiDmCrossReferenceNamespace (AcpiGbl_ParseOpRoot, 407 AcpiGbl_RootNode, OwnerId); 408 409 if (AslCompilerdebug) 410 { 411 AcpiDmDumpTree (AcpiGbl_ParseOpRoot); 412 } 413 414 /* Find possible calls to external control methods */ 415 416 AcpiDmFindOrphanMethods (AcpiGbl_ParseOpRoot); 417 418 /* 419 * If we found any external control methods, we must reparse 420 * the entire tree with the new information (namely, the 421 * number of arguments per method) 422 */ 423 if (AcpiDmGetExternalMethodCount ()) 424 { 425 fprintf (stderr, 426 "\nFound %u external control methods, " 427 "reparsing with new information\n", 428 AcpiDmGetExternalMethodCount ()); 429 430 /* Reparse, rebuild namespace */ 431 432 AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); 433 AcpiGbl_ParseOpRoot = NULL; 434 AcpiNsDeleteNamespaceSubtree (AcpiGbl_RootNode); 435 436 AcpiGbl_RootNode = NULL; 437 AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME; 438 AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED; 439 AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE; 440 AcpiGbl_RootNodeStruct.Parent = NULL; 441 AcpiGbl_RootNodeStruct.Child = NULL; 442 AcpiGbl_RootNodeStruct.Peer = NULL; 443 AcpiGbl_RootNodeStruct.Object = NULL; 444 AcpiGbl_RootNodeStruct.Flags = 0; 445 446 Status = AcpiNsRootInitialize (); 447 448 /* New namespace, add the external definitions first */ 449 450 AcpiDmAddExternalsToNamespace (); 451 452 /* Parse the table again. No need to reload it, however */ 453 454 Status = AdParseTable (Table, NULL, FALSE, FALSE); 455 if (ACPI_FAILURE (Status)) 456 { 457 AcpiOsPrintf ("Could not parse ACPI tables, %s\n", 458 AcpiFormatException (Status)); 459 goto Cleanup; 460 } 461 462 /* Cross reference the namespace again */ 463 464 AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot, 465 AcpiGbl_RootNode, OwnerId); 466 467 AcpiDmCrossReferenceNamespace (AcpiGbl_ParseOpRoot, 468 AcpiGbl_RootNode, OwnerId); 469 470 if (AslCompilerdebug) 471 { 472 AcpiOsPrintf ("/**** After second load and resource conversion\n"); 473 if (File) 474 { 475 NsSetupNamespaceListing (File); 476 NsDisplayNamespace (); 477 } 478 AcpiOsPrintf ("*****/\n"); 479 480 AcpiDmDumpTree (AcpiGbl_ParseOpRoot); 481 } 482 } 483 484 /* 485 * Now that the namespace is finalized, we can perform namespace 486 * transforms. 487 * 488 * 1) Convert fixed-offset references to resource descriptors 489 * to symbolic references (Note: modifies namespace) 490 */ 491 AcpiDmConvertResourceIndexes (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode); 492 493 /* Optional displays */ 494 495 if (AcpiGbl_DbOpt_Disasm) 496 { 497 /* This is the real disassembly */ 498 499 AdDisplayTables (Filename, Table); 500 501 /* Dump hex table if requested (-vt) */ 502 503 AcpiDmDumpDataTable (Table); 504 505 fprintf (stderr, "Disassembly completed\n"); 506 if (File) 507 { 508 fprintf (stderr, "ASL Output: %s - %u bytes\n", 509 DisasmFilename, CmGetFileSize (File)); 510 } 511 512 if (Gbl_MapfileFlag) 513 { 514 fprintf (stderr, "%14s %s - %u bytes\n", 515 Gbl_Files[ASL_FILE_MAP_OUTPUT].ShortDescription, 516 Gbl_Files[ASL_FILE_MAP_OUTPUT].Filename, 517 FlGetFileSize (ASL_FILE_MAP_OUTPUT)); 518 } 519 } 520 } 521 522 Cleanup: 523 524 if (Table && !AcpiGbl_ForceAmlDisassembly &&!AcpiUtIsAmlTable (Table)) 525 { 526 ACPI_FREE (Table); 527 } 528 529 if (File) 530 { 531 if (AslCompilerdebug) /* Display final namespace, with transforms */ 532 { 533 NsSetupNamespaceListing (File); 534 NsDisplayNamespace (); 535 } 536 537 fclose (File); 538 AcpiOsRedirectOutput (stdout); 539 } 540 541 AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); 542 AcpiGbl_ParseOpRoot = NULL; 543 return (Status); 544 } 545 546 547 /****************************************************************************** 548 * 549 * FUNCTION: AdDisassemblerHeader 550 * 551 * PARAMETERS: Filename - Input file for the table 552 * TableType - Either AML or DataTable 553 * 554 * RETURN: None 555 * 556 * DESCRIPTION: Create the disassembler header, including ACPICA signon with 557 * current time and date. 558 * 559 *****************************************************************************/ 560 561 void 562 AdDisassemblerHeader ( 563 char *Filename, 564 UINT8 TableType) 565 { 566 time_t Timer; 567 568 569 time (&Timer); 570 571 /* Header and input table info */ 572 573 AcpiOsPrintf ("/*\n"); 574 AcpiOsPrintf (ACPI_COMMON_HEADER (AML_DISASSEMBLER_NAME, " * ")); 575 576 if (TableType == ACPI_IS_AML_TABLE) 577 { 578 if (AcpiGbl_CstyleDisassembly) 579 { 580 AcpiOsPrintf ( 581 " * Disassembling to symbolic ASL+ operators\n" 582 " *\n"); 583 } 584 else 585 { 586 AcpiOsPrintf ( 587 " * Disassembling to non-symbolic legacy ASL operators\n" 588 " *\n"); 589 } 590 } 591 592 AcpiOsPrintf (" * Disassembly of %s, %s", Filename, ctime (&Timer)); 593 AcpiOsPrintf (" *\n"); 594 } 595 596 597 /****************************************************************************** 598 * 599 * FUNCTION: AdCreateTableHeader 600 * 601 * PARAMETERS: Filename - Input file for the table 602 * Table - Pointer to the raw table 603 * 604 * RETURN: None 605 * 606 * DESCRIPTION: Create the ASL table header, including ACPICA signon with 607 * current time and date. 608 * 609 *****************************************************************************/ 610 611 static void 612 AdCreateTableHeader ( 613 char *Filename, 614 ACPI_TABLE_HEADER *Table) 615 { 616 char *NewFilename; 617 UINT8 Checksum; 618 619 620 /* 621 * Print file header and dump original table header 622 */ 623 AdDisassemblerHeader (Filename, ACPI_IS_AML_TABLE); 624 625 AcpiOsPrintf (" * Original Table Header:\n"); 626 AcpiOsPrintf (" * Signature \"%4.4s\"\n", Table->Signature); 627 AcpiOsPrintf (" * Length 0x%8.8X (%u)\n", Table->Length, Table->Length); 628 629 /* Print and validate the revision */ 630 631 AcpiOsPrintf (" * Revision 0x%2.2X", Table->Revision); 632 633 switch (Table->Revision) 634 { 635 case 0: 636 637 AcpiOsPrintf (" **** Invalid Revision"); 638 break; 639 640 case 1: 641 642 /* Revision of DSDT controls the ACPI integer width */ 643 644 if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT)) 645 { 646 AcpiOsPrintf (" **** 32-bit table (V1), no 64-bit math support"); 647 } 648 break; 649 650 default: 651 652 break; 653 } 654 AcpiOsPrintf ("\n"); 655 656 /* Print and validate the table checksum */ 657 658 AcpiOsPrintf (" * Checksum 0x%2.2X", Table->Checksum); 659 660 Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), Table->Length); 661 if (Checksum) 662 { 663 AcpiOsPrintf (" **** Incorrect checksum, should be 0x%2.2X", 664 (UINT8) (Table->Checksum - Checksum)); 665 } 666 AcpiOsPrintf ("\n"); 667 668 AcpiOsPrintf (" * OEM ID \"%.6s\"\n", Table->OemId); 669 AcpiOsPrintf (" * OEM Table ID \"%.8s\"\n", Table->OemTableId); 670 AcpiOsPrintf (" * OEM Revision 0x%8.8X (%u)\n", Table->OemRevision, Table->OemRevision); 671 AcpiOsPrintf (" * Compiler ID \"%.4s\"\n", Table->AslCompilerId); 672 AcpiOsPrintf (" * Compiler Version 0x%8.8X (%u)\n", Table->AslCompilerRevision, Table->AslCompilerRevision); 673 AcpiOsPrintf (" */\n"); 674 675 /* Create AML output filename based on input filename */ 676 677 if (Filename) 678 { 679 NewFilename = FlGenerateFilename (Filename, "aml"); 680 } 681 else 682 { 683 NewFilename = UtStringCacheCalloc (9); 684 if (NewFilename) 685 { 686 strncat (NewFilename, Table->Signature, 4); 687 strcat (NewFilename, ".aml"); 688 } 689 } 690 691 if (!NewFilename) 692 { 693 AcpiOsPrintf (" **** Could not generate AML output filename\n"); 694 return; 695 } 696 697 /* Open the ASL definition block */ 698 699 AcpiOsPrintf ( 700 "DefinitionBlock (\"%s\", \"%4.4s\", %hu, \"%.6s\", \"%.8s\", 0x%8.8X)\n", 701 NewFilename, Table->Signature, Table->Revision, 702 Table->OemId, Table->OemTableId, Table->OemRevision); 703 } 704 705 706 /****************************************************************************** 707 * 708 * FUNCTION: AdDisplayTables 709 * 710 * PARAMETERS: Filename - Input file for the table 711 * Table - Pointer to the raw table 712 * 713 * RETURN: Status 714 * 715 * DESCRIPTION: Display (disassemble) loaded tables and dump raw tables 716 * 717 *****************************************************************************/ 718 719 ACPI_STATUS 720 AdDisplayTables ( 721 char *Filename, 722 ACPI_TABLE_HEADER *Table) 723 { 724 725 726 if (!AcpiGbl_ParseOpRoot) 727 { 728 return (AE_NOT_EXIST); 729 } 730 731 if (!AcpiGbl_DbOpt_Verbose) 732 { 733 AdCreateTableHeader (Filename, Table); 734 } 735 736 AcpiDmDisassemble (NULL, AcpiGbl_ParseOpRoot, ACPI_UINT32_MAX); 737 MpEmitMappingInfo (); 738 739 if (AcpiGbl_DbOpt_Verbose) 740 { 741 AcpiOsPrintf ("\n\nTable Header:\n"); 742 AcpiUtDebugDumpBuffer ((UINT8 *) Table, sizeof (ACPI_TABLE_HEADER), 743 DB_BYTE_DISPLAY, ACPI_UINT32_MAX); 744 745 AcpiOsPrintf ("Table Body (Length 0x%X)\n", Table->Length); 746 AcpiUtDebugDumpBuffer (((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)), 747 Table->Length, DB_BYTE_DISPLAY, ACPI_UINT32_MAX); 748 } 749 750 return (AE_OK); 751 } 752 753 754 /******************************************************************************* 755 * 756 * FUNCTION: AdStoreTable 757 * 758 * PARAMETERS: Table - Table header 759 * TableIndex - Where the table index is returned 760 * 761 * RETURN: Status and table index. 762 * 763 * DESCRIPTION: Add an ACPI table to the global table list 764 * 765 ******************************************************************************/ 766 767 static ACPI_STATUS 768 AdStoreTable ( 769 ACPI_TABLE_HEADER *Table, 770 UINT32 *TableIndex) 771 { 772 ACPI_STATUS Status; 773 ACPI_TABLE_DESC *TableDesc; 774 775 776 Status = AcpiTbGetNextTableDescriptor (TableIndex, &TableDesc); 777 if (ACPI_FAILURE (Status)) 778 { 779 return (Status); 780 } 781 782 /* Initialize added table */ 783 784 AcpiTbInitTableDescriptor (TableDesc, ACPI_PTR_TO_PHYSADDR (Table), 785 ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, Table); 786 AcpiTbValidateTable (TableDesc); 787 return (AE_OK); 788 } 789 790 791 /****************************************************************************** 792 * 793 * FUNCTION: AdGetLocalTables 794 * 795 * PARAMETERS: None 796 * 797 * RETURN: Status 798 * 799 * DESCRIPTION: Get the ACPI tables from either memory or a file 800 * 801 *****************************************************************************/ 802 803 ACPI_STATUS 804 AdGetLocalTables ( 805 void) 806 { 807 ACPI_STATUS Status; 808 ACPI_TABLE_HEADER TableHeader; 809 ACPI_TABLE_HEADER *NewTable; 810 UINT32 TableIndex; 811 812 813 /* Get the DSDT via table override */ 814 815 ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_DSDT); 816 AcpiOsTableOverride (&TableHeader, &NewTable); 817 if (!NewTable) 818 { 819 fprintf (stderr, "Could not obtain DSDT\n"); 820 return (AE_NO_ACPI_TABLES); 821 } 822 823 AdWriteTable (NewTable, NewTable->Length, 824 ACPI_SIG_DSDT, NewTable->OemTableId); 825 826 /* Store DSDT in the Table Manager */ 827 828 Status = AdStoreTable (NewTable, &TableIndex); 829 if (ACPI_FAILURE (Status)) 830 { 831 fprintf (stderr, "Could not store DSDT\n"); 832 return (AE_NO_ACPI_TABLES); 833 } 834 835 return (AE_OK); 836 } 837 838 839 /****************************************************************************** 840 * 841 * FUNCTION: AdParseTable 842 * 843 * PARAMETERS: Table - Pointer to the raw table 844 * OwnerId - Returned OwnerId of the table 845 * LoadTable - If add table to the global table list 846 * External - If this is an external table 847 * 848 * RETURN: Status 849 * 850 * DESCRIPTION: Parse the DSDT. 851 * 852 *****************************************************************************/ 853 854 ACPI_STATUS 855 AdParseTable ( 856 ACPI_TABLE_HEADER *Table, 857 ACPI_OWNER_ID *OwnerId, 858 BOOLEAN LoadTable, 859 BOOLEAN External) 860 { 861 ACPI_STATUS Status = AE_OK; 862 ACPI_WALK_STATE *WalkState; 863 UINT8 *AmlStart; 864 UINT32 AmlLength; 865 UINT32 TableIndex; 866 867 868 if (!Table) 869 { 870 return (AE_NOT_EXIST); 871 } 872 873 /* Pass 1: Parse everything except control method bodies */ 874 875 fprintf (stderr, "Pass 1 parse of [%4.4s]\n", (char *) Table->Signature); 876 877 AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER); 878 AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)); 879 880 /* Create the root object */ 881 882 AcpiGbl_ParseOpRoot = AcpiPsCreateScopeOp (); 883 if (!AcpiGbl_ParseOpRoot) 884 { 885 return (AE_NO_MEMORY); 886 } 887 888 /* Create and initialize a new walk state */ 889 890 WalkState = AcpiDsCreateWalkState (0, 891 AcpiGbl_ParseOpRoot, NULL, NULL); 892 if (!WalkState) 893 { 894 return (AE_NO_MEMORY); 895 } 896 897 Status = AcpiDsInitAmlWalk (WalkState, AcpiGbl_ParseOpRoot, 898 NULL, AmlStart, AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); 899 if (ACPI_FAILURE (Status)) 900 { 901 return (Status); 902 } 903 904 WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; 905 WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; 906 907 Status = AcpiPsParseAml (WalkState); 908 if (ACPI_FAILURE (Status)) 909 { 910 return (Status); 911 } 912 913 /* If LoadTable is FALSE, we are parsing the last loaded table */ 914 915 TableIndex = AcpiGbl_RootTableList.CurrentTableCount - 1; 916 917 /* Pass 2 */ 918 919 if (LoadTable) 920 { 921 Status = AdStoreTable (Table, &TableIndex); 922 if (ACPI_FAILURE (Status)) 923 { 924 return (Status); 925 } 926 Status = AcpiTbAllocateOwnerId (TableIndex); 927 if (ACPI_FAILURE (Status)) 928 { 929 return (Status); 930 } 931 if (OwnerId) 932 { 933 Status = AcpiTbGetOwnerId (TableIndex, OwnerId); 934 if (ACPI_FAILURE (Status)) 935 { 936 return (Status); 937 } 938 } 939 } 940 941 fprintf (stderr, "Pass 2 parse of [%4.4s]\n", (char *) Table->Signature); 942 943 Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2, TableIndex, NULL); 944 if (ACPI_FAILURE (Status)) 945 { 946 return (Status); 947 } 948 949 /* No need to parse control methods of external table */ 950 951 if (External) 952 { 953 return (AE_OK); 954 } 955 956 /* 957 * Pass 3: Parse control methods and link their parse trees 958 * into the main parse tree 959 */ 960 fprintf (stderr, 961 "Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)\n"); 962 Status = AcpiDmParseDeferredOps (AcpiGbl_ParseOpRoot); 963 fprintf (stderr, "\n"); 964 965 /* Process Resource Templates */ 966 967 AcpiDmFindResources (AcpiGbl_ParseOpRoot); 968 969 fprintf (stderr, "Parsing completed\n"); 970 return (AE_OK); 971 } 972