1 /****************************************************************************** 2 * 3 * Module Name: adisasm - Application-level disassembler routines 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2012, 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 45 #include <contrib/dev/acpica/include/acpi.h> 46 #include <contrib/dev/acpica/include/accommon.h> 47 #include <contrib/dev/acpica/include/acparser.h> 48 #include <contrib/dev/acpica/include/amlcode.h> 49 #include <contrib/dev/acpica/include/acdebug.h> 50 #include <contrib/dev/acpica/include/acdisasm.h> 51 #include <contrib/dev/acpica/include/acdispat.h> 52 #include <contrib/dev/acpica/include/acnamesp.h> 53 #include <contrib/dev/acpica/include/actables.h> 54 #include <contrib/dev/acpica/include/acapps.h> 55 56 #include <stdio.h> 57 #include <time.h> 58 59 60 #define _COMPONENT ACPI_TOOLS 61 ACPI_MODULE_NAME ("adisasm") 62 63 /* 64 * Older versions of Bison won't emit this external in the generated header. 65 * Newer versions do emit the external, so we don't need to do it. 66 */ 67 #ifndef ASLCOMPILER_ASLCOMPILERPARSE_H 68 extern int AslCompilerdebug; 69 #endif 70 71 ACPI_STATUS 72 LsDisplayNamespace ( 73 void); 74 75 void 76 LsSetupNsList ( 77 void *Handle); 78 79 80 /* Local prototypes */ 81 82 static UINT32 83 AdGetFileSize ( 84 FILE *File); 85 86 static void 87 AdCreateTableHeader ( 88 char *Filename, 89 ACPI_TABLE_HEADER *Table); 90 91 static ACPI_STATUS 92 AdDeferredParse ( 93 ACPI_PARSE_OBJECT *Op, 94 UINT8 *Aml, 95 UINT32 AmlLength); 96 97 static ACPI_STATUS 98 AdParseDeferredOps ( 99 ACPI_PARSE_OBJECT *Root); 100 101 102 /* Stubs for ASL compiler */ 103 104 #ifndef ACPI_ASL_COMPILER 105 BOOLEAN 106 AcpiDsIsResultUsed ( 107 ACPI_PARSE_OBJECT *Op, 108 ACPI_WALK_STATE *WalkState) 109 { 110 return TRUE; 111 } 112 113 ACPI_STATUS 114 AcpiDsMethodError ( 115 ACPI_STATUS Status, 116 ACPI_WALK_STATE *WalkState) 117 { 118 return (Status); 119 } 120 #endif 121 122 ACPI_STATUS 123 AcpiNsLoadTable ( 124 UINT32 TableIndex, 125 ACPI_NAMESPACE_NODE *Node) 126 { 127 return (AE_NOT_IMPLEMENTED); 128 } 129 130 ACPI_STATUS 131 AcpiDsRestartControlMethod ( 132 ACPI_WALK_STATE *WalkState, 133 ACPI_OPERAND_OBJECT *ReturnDesc) 134 { 135 return (AE_OK); 136 } 137 138 void 139 AcpiDsTerminateControlMethod ( 140 ACPI_OPERAND_OBJECT *MethodDesc, 141 ACPI_WALK_STATE *WalkState) 142 { 143 return; 144 } 145 146 ACPI_STATUS 147 AcpiDsCallControlMethod ( 148 ACPI_THREAD_STATE *Thread, 149 ACPI_WALK_STATE *WalkState, 150 ACPI_PARSE_OBJECT *Op) 151 { 152 return (AE_OK); 153 } 154 155 ACPI_STATUS 156 AcpiDsMethodDataInitArgs ( 157 ACPI_OPERAND_OBJECT **Params, 158 UINT32 MaxParamCount, 159 ACPI_WALK_STATE *WalkState) 160 { 161 return (AE_OK); 162 } 163 164 165 static ACPI_TABLE_DESC LocalTables[1]; 166 static ACPI_PARSE_OBJECT *AcpiGbl_ParseOpRoot; 167 168 169 /******************************************************************************* 170 * 171 * FUNCTION: AdGetFileSize 172 * 173 * PARAMETERS: File - Open file handle 174 * 175 * RETURN: File Size 176 * 177 * DESCRIPTION: Get current file size. Uses seek-to-EOF. File must be open. 178 * 179 ******************************************************************************/ 180 181 static UINT32 182 AdGetFileSize ( 183 FILE *File) 184 { 185 UINT32 FileSize; 186 long Offset; 187 188 189 Offset = ftell (File); 190 191 fseek (File, 0, SEEK_END); 192 FileSize = (UINT32) ftell (File); 193 194 /* Restore file pointer */ 195 196 fseek (File, Offset, SEEK_SET); 197 return (FileSize); 198 } 199 200 201 /******************************************************************************* 202 * 203 * FUNCTION: AdInitialize 204 * 205 * PARAMETERS: None 206 * 207 * RETURN: Status 208 * 209 * DESCRIPTION: ACPICA and local initialization 210 * 211 ******************************************************************************/ 212 213 ACPI_STATUS 214 AdInitialize ( 215 void) 216 { 217 ACPI_STATUS Status; 218 219 220 /* ACPI CA subsystem initialization */ 221 222 Status = AcpiOsInitialize (); 223 if (ACPI_FAILURE (Status)) 224 { 225 return (Status); 226 } 227 228 Status = AcpiUtInitGlobals (); 229 if (ACPI_FAILURE (Status)) 230 { 231 return (Status); 232 } 233 234 Status = AcpiUtMutexInitialize (); 235 if (ACPI_FAILURE (Status)) 236 { 237 return (Status); 238 } 239 240 Status = AcpiNsRootInitialize (); 241 if (ACPI_FAILURE (Status)) 242 { 243 return (Status); 244 } 245 246 /* Setup the Table Manager (cheat - there is no RSDT) */ 247 248 AcpiGbl_RootTableList.MaxTableCount = 1; 249 AcpiGbl_RootTableList.CurrentTableCount = 0; 250 AcpiGbl_RootTableList.Tables = LocalTables; 251 252 return (Status); 253 } 254 255 256 /****************************************************************************** 257 * 258 * FUNCTION: AdAmlDisassemble 259 * 260 * PARAMETERS: Filename - AML input filename 261 * OutToFile - TRUE if output should go to a file 262 * Prefix - Path prefix for output 263 * OutFilename - where the filename is returned 264 * GetAllTables - TRUE if all tables are desired 265 * 266 * RETURN: Status 267 * 268 * DESCRIPTION: Disassemble an entire ACPI table 269 * 270 *****************************************************************************/ 271 272 ACPI_STATUS 273 AdAmlDisassemble ( 274 BOOLEAN OutToFile, 275 char *Filename, 276 char *Prefix, 277 char **OutFilename, 278 BOOLEAN GetAllTables) 279 { 280 ACPI_STATUS Status; 281 char *DisasmFilename = NULL; 282 char *ExternalFilename; 283 ACPI_EXTERNAL_FILE *ExternalFileList = AcpiGbl_ExternalFileList; 284 FILE *File = NULL; 285 ACPI_TABLE_HEADER *Table = NULL; 286 ACPI_TABLE_HEADER *ExternalTable; 287 ACPI_OWNER_ID OwnerId; 288 289 290 /* 291 * Input: AML code from either a file or via GetTables (memory or 292 * registry) 293 */ 294 if (Filename) 295 { 296 Status = AcpiDbGetTableFromFile (Filename, &Table); 297 if (ACPI_FAILURE (Status)) 298 { 299 return (Status); 300 } 301 302 /* 303 * External filenames separated by commas 304 * Example: iasl -e file1,file2,file3 -d xxx.aml 305 */ 306 while (ExternalFileList) 307 { 308 ExternalFilename = ExternalFileList->Path; 309 if (!ACPI_STRCMP (ExternalFilename, Filename)) 310 { 311 /* Next external file */ 312 313 ExternalFileList = ExternalFileList->Next; 314 continue; 315 } 316 317 Status = AcpiDbGetTableFromFile (ExternalFilename, &ExternalTable); 318 if (ACPI_FAILURE (Status)) 319 { 320 return (Status); 321 } 322 323 /* Load external table for symbol resolution */ 324 325 if (ExternalTable) 326 { 327 Status = AdParseTable (ExternalTable, &OwnerId, TRUE, TRUE); 328 if (ACPI_FAILURE (Status)) 329 { 330 AcpiOsPrintf ("Could not parse external ACPI tables, %s\n", 331 AcpiFormatException (Status)); 332 return (Status); 333 } 334 335 /* 336 * Load namespace from names created within control methods 337 * Set owner id of nodes in external table 338 */ 339 AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot, 340 AcpiGbl_RootNode, OwnerId); 341 AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); 342 } 343 344 /* Next external file */ 345 346 ExternalFileList = ExternalFileList->Next; 347 } 348 349 /* Clear external list generated by Scope in external tables */ 350 351 if (AcpiGbl_ExternalFileList) 352 { 353 AcpiDmClearExternalList (); 354 } 355 } 356 else 357 { 358 Status = AdGetLocalTables (Filename, GetAllTables); 359 if (ACPI_FAILURE (Status)) 360 { 361 AcpiOsPrintf ("Could not get ACPI tables, %s\n", 362 AcpiFormatException (Status)); 363 return (Status); 364 } 365 366 if (!AcpiGbl_DbOpt_disasm) 367 { 368 return (AE_OK); 369 } 370 371 /* Obtained the local tables, just disassemble the DSDT */ 372 373 Status = AcpiGetTable (ACPI_SIG_DSDT, 0, &Table); 374 if (ACPI_FAILURE (Status)) 375 { 376 AcpiOsPrintf ("Could not get DSDT, %s\n", 377 AcpiFormatException (Status)); 378 return (Status); 379 } 380 381 AcpiOsPrintf ("\nDisassembly of DSDT\n"); 382 Prefix = AdGenerateFilename ("dsdt", Table->OemTableId); 383 } 384 385 /* 386 * Output: ASL code. Redirect to a file if requested 387 */ 388 if (OutToFile) 389 { 390 /* Create/Open a disassembly output file */ 391 392 DisasmFilename = FlGenerateFilename (Prefix, FILE_SUFFIX_DISASSEMBLY); 393 if (!OutFilename) 394 { 395 fprintf (stderr, "Could not generate output filename\n"); 396 Status = AE_ERROR; 397 goto Cleanup; 398 } 399 400 File = fopen (DisasmFilename, "w+"); 401 if (!File) 402 { 403 fprintf (stderr, "Could not open output file %s\n", DisasmFilename); 404 Status = AE_ERROR; 405 goto Cleanup; 406 } 407 408 AcpiOsRedirectOutput (File); 409 } 410 411 *OutFilename = DisasmFilename; 412 413 if (!AcpiUtIsAmlTable (Table)) 414 { 415 AdDisassemblerHeader (Filename); 416 AcpiOsPrintf (" * ACPI Data Table [%4.4s]\n *\n", 417 Table->Signature); 418 AcpiOsPrintf (" * Format: [HexOffset DecimalOffset ByteLength] " 419 "FieldName : FieldValue\n */\n\n"); 420 421 AcpiDmDumpDataTable (Table); 422 fprintf (stderr, "Acpi Data Table [%4.4s] decoded\n", 423 Table->Signature); 424 fprintf (stderr, "Formatted output: %s - %u bytes\n", 425 DisasmFilename, AdGetFileSize (File)); 426 } 427 else 428 { 429 /* Always parse the tables, only option is what to display */ 430 431 Status = AdParseTable (Table, &OwnerId, TRUE, FALSE); 432 if (ACPI_FAILURE (Status)) 433 { 434 AcpiOsPrintf ("Could not parse ACPI tables, %s\n", 435 AcpiFormatException (Status)); 436 goto Cleanup; 437 } 438 439 if (AslCompilerdebug) 440 { 441 AcpiOsPrintf ("/**** Before second load\n"); 442 443 LsSetupNsList (File); 444 LsDisplayNamespace (); 445 AcpiOsPrintf ("*****/\n"); 446 } 447 448 /* Load namespace from names created within control methods */ 449 450 AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot, 451 AcpiGbl_RootNode, OwnerId); 452 453 /* 454 * Cross reference the namespace here, in order to 455 * generate External() statements 456 */ 457 AcpiDmCrossReferenceNamespace (AcpiGbl_ParseOpRoot, 458 AcpiGbl_RootNode, OwnerId); 459 460 if (AslCompilerdebug) 461 { 462 AcpiDmDumpTree (AcpiGbl_ParseOpRoot); 463 } 464 465 /* Find possible calls to external control methods */ 466 467 AcpiDmFindOrphanMethods (AcpiGbl_ParseOpRoot); 468 469 /* 470 * If we found any external control methods, we must reparse 471 * the entire tree with the new information (namely, the 472 * number of arguments per method) 473 */ 474 if (AcpiDmGetExternalMethodCount ()) 475 { 476 fprintf (stderr, 477 "\nFound %u external control methods, " 478 "reparsing with new information\n", 479 AcpiDmGetExternalMethodCount ()); 480 481 /* Reparse, rebuild namespace. no need to xref namespace */ 482 483 AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); 484 AcpiNsDeleteNamespaceSubtree (AcpiGbl_RootNode); 485 486 AcpiGbl_RootNode = NULL; 487 AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME; 488 AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED; 489 AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE; 490 AcpiGbl_RootNodeStruct.Parent = NULL; 491 AcpiGbl_RootNodeStruct.Child = NULL; 492 AcpiGbl_RootNodeStruct.Peer = NULL; 493 AcpiGbl_RootNodeStruct.Object = NULL; 494 AcpiGbl_RootNodeStruct.Flags = 0; 495 496 Status = AcpiNsRootInitialize (); 497 AcpiDmAddExternalsToNamespace (); 498 499 /* Parse the table again. No need to reload it, however */ 500 501 Status = AdParseTable (Table, NULL, FALSE, FALSE); 502 if (ACPI_FAILURE (Status)) 503 { 504 AcpiOsPrintf ("Could not parse ACPI tables, %s\n", 505 AcpiFormatException (Status)); 506 goto Cleanup; 507 } 508 509 if (AslCompilerdebug) 510 { 511 AcpiOsPrintf ("/**** After second load and resource conversion\n"); 512 LsSetupNsList (File); 513 LsDisplayNamespace (); 514 AcpiOsPrintf ("*****/\n"); 515 516 AcpiDmDumpTree (AcpiGbl_ParseOpRoot); 517 } 518 } 519 520 /* 521 * Now that the namespace is finalized, we can perform namespace 522 * transforms. 523 * 524 * 1) Convert fixed-offset references to resource descriptors 525 * to symbolic references (Note: modifies namespace) 526 */ 527 AcpiDmConvertResourceIndexes (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode); 528 529 /* Optional displays */ 530 531 if (AcpiGbl_DbOpt_disasm) 532 { 533 /* This is the real disassembly */ 534 535 AdDisplayTables (Filename, Table); 536 537 /* Dump hex table if requested (-vt) */ 538 539 AcpiDmDumpDataTable (Table); 540 541 fprintf (stderr, "Disassembly completed\n"); 542 fprintf (stderr, "ASL Output: %s - %u bytes\n", 543 DisasmFilename, AdGetFileSize (File)); 544 } 545 } 546 547 Cleanup: 548 549 if (Table && !AcpiUtIsAmlTable (Table)) 550 { 551 ACPI_FREE (Table); 552 } 553 554 if (DisasmFilename) 555 { 556 ACPI_FREE (DisasmFilename); 557 } 558 559 if (OutToFile && File) 560 { 561 if (AslCompilerdebug) /* Display final namespace, with transforms */ 562 { 563 LsSetupNsList (File); 564 LsDisplayNamespace (); 565 } 566 567 fclose (File); 568 AcpiOsRedirectOutput (stdout); 569 } 570 571 AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot); 572 AcpiGbl_ParseOpRoot = NULL; 573 return (Status); 574 } 575 576 577 /****************************************************************************** 578 * 579 * FUNCTION: AdDisassemblerHeader 580 * 581 * PARAMETERS: Filename - Input file for the table 582 * 583 * RETURN: None 584 * 585 * DESCRIPTION: Create the disassembler header, including ACPI CA signon with 586 * current time and date. 587 * 588 *****************************************************************************/ 589 590 void 591 AdDisassemblerHeader ( 592 char *Filename) 593 { 594 time_t Timer; 595 596 time (&Timer); 597 598 /* Header and input table info */ 599 600 AcpiOsPrintf ("/*\n"); 601 AcpiOsPrintf (ACPI_COMMON_HEADER ("AML Disassembler", " * ")); 602 603 AcpiOsPrintf (" * Disassembly of %s, %s", Filename, ctime (&Timer)); 604 AcpiOsPrintf (" *\n"); 605 } 606 607 608 /****************************************************************************** 609 * 610 * FUNCTION: AdCreateTableHeader 611 * 612 * PARAMETERS: Filename - Input file for the table 613 * Table - Pointer to the raw table 614 * 615 * RETURN: None 616 * 617 * DESCRIPTION: Create the ASL table header, including ACPI CA signon with 618 * current time and date. 619 * 620 *****************************************************************************/ 621 622 static void 623 AdCreateTableHeader ( 624 char *Filename, 625 ACPI_TABLE_HEADER *Table) 626 { 627 char *NewFilename; 628 UINT8 Checksum; 629 630 631 /* 632 * Print file header and dump original table header 633 */ 634 AdDisassemblerHeader (Filename); 635 636 AcpiOsPrintf (" * Original Table Header:\n"); 637 AcpiOsPrintf (" * Signature \"%4.4s\"\n", Table->Signature); 638 AcpiOsPrintf (" * Length 0x%8.8X (%u)\n", Table->Length, Table->Length); 639 640 /* Print and validate the revision */ 641 642 AcpiOsPrintf (" * Revision 0x%2.2X", Table->Revision); 643 644 switch (Table->Revision) 645 { 646 case 0: 647 AcpiOsPrintf (" **** Invalid Revision"); 648 break; 649 650 case 1: 651 /* Revision of DSDT controls the ACPI integer width */ 652 653 if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT)) 654 { 655 AcpiOsPrintf (" **** 32-bit table (V1), no 64-bit math support"); 656 } 657 break; 658 659 default: 660 break; 661 } 662 AcpiOsPrintf ("\n"); 663 664 /* Print and validate the table checksum */ 665 666 AcpiOsPrintf (" * Checksum 0x%2.2X", Table->Checksum); 667 668 Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), Table->Length); 669 if (Checksum) 670 { 671 AcpiOsPrintf (" **** Incorrect checksum, should be 0x%2.2X", 672 (UINT8) (Table->Checksum - Checksum)); 673 } 674 AcpiOsPrintf ("\n"); 675 676 AcpiOsPrintf (" * OEM ID \"%.6s\"\n", Table->OemId); 677 AcpiOsPrintf (" * OEM Table ID \"%.8s\"\n", Table->OemTableId); 678 AcpiOsPrintf (" * OEM Revision 0x%8.8X (%u)\n", Table->OemRevision, Table->OemRevision); 679 AcpiOsPrintf (" * Compiler ID \"%.4s\"\n", Table->AslCompilerId); 680 AcpiOsPrintf (" * Compiler Version 0x%8.8X (%u)\n", Table->AslCompilerRevision, Table->AslCompilerRevision); 681 AcpiOsPrintf (" */\n\n"); 682 683 /* Create AML output filename based on input filename */ 684 685 if (Filename) 686 { 687 NewFilename = FlGenerateFilename (Filename, "aml"); 688 } 689 else 690 { 691 NewFilename = ACPI_ALLOCATE_ZEROED (9); 692 strncat (NewFilename, Table->Signature, 4); 693 strcat (NewFilename, ".aml"); 694 } 695 696 /* Open the ASL definition block */ 697 698 AcpiOsPrintf ( 699 "DefinitionBlock (\"%s\", \"%4.4s\", %hu, \"%.6s\", \"%.8s\", 0x%8.8X)\n", 700 NewFilename, Table->Signature, Table->Revision, 701 Table->OemId, Table->OemTableId, Table->OemRevision); 702 703 ACPI_FREE (NewFilename); 704 } 705 706 707 /****************************************************************************** 708 * 709 * FUNCTION: AdDisplayTables 710 * 711 * PARAMETERS: Filename - Input file for the table 712 * Table - Pointer to the raw table 713 * 714 * RETURN: Status 715 * 716 * DESCRIPTION: Display (disassemble) loaded tables and dump raw tables 717 * 718 *****************************************************************************/ 719 720 ACPI_STATUS 721 AdDisplayTables ( 722 char *Filename, 723 ACPI_TABLE_HEADER *Table) 724 { 725 726 727 if (!AcpiGbl_ParseOpRoot) 728 { 729 return (AE_NOT_EXIST); 730 } 731 732 if (!AcpiGbl_DbOpt_verbose) 733 { 734 AdCreateTableHeader (Filename, Table); 735 } 736 737 AcpiDmDisassemble (NULL, AcpiGbl_ParseOpRoot, ACPI_UINT32_MAX); 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: AdDeferredParse 757 * 758 * PARAMETERS: Op - Root Op of the deferred opcode 759 * Aml - Pointer to the raw AML 760 * AmlLength - Length of the AML 761 * 762 * RETURN: Status 763 * 764 * DESCRIPTION: Parse one deferred opcode 765 * (Methods, operation regions, etc.) 766 * 767 *****************************************************************************/ 768 769 static ACPI_STATUS 770 AdDeferredParse ( 771 ACPI_PARSE_OBJECT *Op, 772 UINT8 *Aml, 773 UINT32 AmlLength) 774 { 775 ACPI_WALK_STATE *WalkState; 776 ACPI_STATUS Status; 777 ACPI_PARSE_OBJECT *SearchOp; 778 ACPI_PARSE_OBJECT *StartOp; 779 UINT32 BaseAmlOffset; 780 ACPI_PARSE_OBJECT *ExtraOp; 781 782 783 ACPI_FUNCTION_TRACE (AdDeferredParse); 784 785 786 fprintf (stderr, "."); 787 788 if (!Aml || !AmlLength) 789 { 790 return_ACPI_STATUS (AE_OK); 791 } 792 793 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Parsing %s [%4.4s]\n", 794 Op->Common.AmlOpName, (char *) &Op->Named.Name)); 795 796 WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL); 797 if (!WalkState) 798 { 799 return_ACPI_STATUS (AE_NO_MEMORY); 800 } 801 802 Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, Aml, 803 AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); 804 if (ACPI_FAILURE (Status)) 805 { 806 return_ACPI_STATUS (Status); 807 } 808 809 /* Parse the method */ 810 811 WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; 812 WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; 813 Status = AcpiPsParseAml (WalkState); 814 815 /* 816 * We need to update all of the Aml offsets, since the parser thought 817 * that the method began at offset zero. In reality, it began somewhere 818 * within the ACPI table, at the BaseAmlOffset. Walk the entire tree that 819 * was just created and update the AmlOffset in each Op 820 */ 821 BaseAmlOffset = (Op->Common.Value.Arg)->Common.AmlOffset + 1; 822 StartOp = (Op->Common.Value.Arg)->Common.Next; 823 SearchOp = StartOp; 824 825 /* Walk the parse tree */ 826 827 while (SearchOp) 828 { 829 SearchOp->Common.AmlOffset += BaseAmlOffset; 830 SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp); 831 } 832 833 /* 834 * Link the newly parsed subtree into the main parse tree 835 */ 836 switch (Op->Common.AmlOpcode) 837 { 838 case AML_BUFFER_OP: 839 case AML_PACKAGE_OP: 840 case AML_VAR_PACKAGE_OP: 841 842 switch (Op->Common.AmlOpcode) 843 { 844 case AML_PACKAGE_OP: 845 ExtraOp = Op->Common.Value.Arg; 846 ExtraOp = ExtraOp->Common.Next; 847 Op->Common.Value.Arg = ExtraOp->Common.Value.Arg; 848 break; 849 850 case AML_VAR_PACKAGE_OP: 851 case AML_BUFFER_OP: 852 default: 853 ExtraOp = Op->Common.Value.Arg; 854 Op->Common.Value.Arg = ExtraOp->Common.Value.Arg; 855 break; 856 } 857 858 /* Must point all parents to the main tree */ 859 860 StartOp = Op; 861 SearchOp = StartOp; 862 while (SearchOp) 863 { 864 if (SearchOp->Common.Parent == ExtraOp) 865 { 866 SearchOp->Common.Parent = Op; 867 } 868 SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp); 869 } 870 break; 871 872 default: 873 break; 874 } 875 876 return_ACPI_STATUS (AE_OK); 877 } 878 879 880 /****************************************************************************** 881 * 882 * FUNCTION: AdParseDeferredOps 883 * 884 * PARAMETERS: Root - Root of the parse tree 885 * 886 * RETURN: Status 887 * 888 * DESCRIPTION: Parse the deferred opcodes (Methods, regions, etc.) 889 * 890 *****************************************************************************/ 891 892 static ACPI_STATUS 893 AdParseDeferredOps ( 894 ACPI_PARSE_OBJECT *Root) 895 { 896 ACPI_PARSE_OBJECT *Op = Root; 897 ACPI_STATUS Status = AE_OK; 898 const ACPI_OPCODE_INFO *OpInfo; 899 900 901 ACPI_FUNCTION_NAME (AdParseDeferredOps); 902 fprintf (stderr, "Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)\n"); 903 904 while (Op) 905 { 906 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 907 if (!(OpInfo->Flags & AML_DEFER)) 908 { 909 Op = AcpiPsGetDepthNext (Root, Op); 910 continue; 911 } 912 913 switch (Op->Common.AmlOpcode) 914 { 915 case AML_METHOD_OP: 916 case AML_BUFFER_OP: 917 case AML_PACKAGE_OP: 918 case AML_VAR_PACKAGE_OP: 919 920 Status = AdDeferredParse (Op, Op->Named.Data, Op->Named.Length); 921 if (ACPI_FAILURE (Status)) 922 { 923 return (Status); 924 } 925 break; 926 927 case AML_REGION_OP: 928 case AML_DATA_REGION_OP: 929 case AML_CREATE_QWORD_FIELD_OP: 930 case AML_CREATE_DWORD_FIELD_OP: 931 case AML_CREATE_WORD_FIELD_OP: 932 case AML_CREATE_BYTE_FIELD_OP: 933 case AML_CREATE_BIT_FIELD_OP: 934 case AML_CREATE_FIELD_OP: 935 case AML_BANK_FIELD_OP: 936 937 /* Nothing to do in these cases */ 938 939 break; 940 941 default: 942 ACPI_ERROR ((AE_INFO, "Unhandled deferred opcode [%s]", 943 Op->Common.AmlOpName)); 944 break; 945 } 946 947 Op = AcpiPsGetDepthNext (Root, Op); 948 } 949 950 fprintf (stderr, "\n"); 951 return (Status); 952 } 953 954 955 /****************************************************************************** 956 * 957 * FUNCTION: AdGetLocalTables 958 * 959 * PARAMETERS: Filename - Not used 960 * GetAllTables - TRUE if all tables are desired 961 * 962 * RETURN: Status 963 * 964 * DESCRIPTION: Get the ACPI tables from either memory or a file 965 * 966 *****************************************************************************/ 967 968 ACPI_STATUS 969 AdGetLocalTables ( 970 char *Filename, 971 BOOLEAN GetAllTables) 972 { 973 ACPI_STATUS Status; 974 ACPI_TABLE_HEADER TableHeader; 975 ACPI_TABLE_HEADER *NewTable; 976 UINT32 NumTables; 977 UINT32 PointerSize; 978 UINT32 TableIndex; 979 980 981 if (GetAllTables) 982 { 983 ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_RSDT); 984 AcpiOsTableOverride (&TableHeader, &NewTable); 985 if (!NewTable) 986 { 987 fprintf (stderr, "Could not obtain RSDT\n"); 988 return (AE_NO_ACPI_TABLES); 989 } 990 else 991 { 992 AdWriteTable (NewTable, NewTable->Length, 993 ACPI_SIG_RSDT, NewTable->OemTableId); 994 } 995 996 if (ACPI_COMPARE_NAME (NewTable->Signature, ACPI_SIG_RSDT)) 997 { 998 PointerSize = sizeof (UINT32); 999 } 1000 else 1001 { 1002 PointerSize = sizeof (UINT64); 1003 } 1004 1005 /* 1006 * Determine the number of tables pointed to by the RSDT/XSDT. 1007 * This is defined by the ACPI Specification to be the number of 1008 * pointers contained within the RSDT/XSDT. The size of the pointers 1009 * is architecture-dependent. 1010 */ 1011 NumTables = (NewTable->Length - sizeof (ACPI_TABLE_HEADER)) / PointerSize; 1012 AcpiOsPrintf ("There are %u tables defined in the %4.4s\n\n", 1013 NumTables, NewTable->Signature); 1014 1015 /* Get the FADT */ 1016 1017 ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_FADT); 1018 AcpiOsTableOverride (&TableHeader, &NewTable); 1019 if (NewTable) 1020 { 1021 AdWriteTable (NewTable, NewTable->Length, 1022 ACPI_SIG_FADT, NewTable->OemTableId); 1023 } 1024 AcpiOsPrintf ("\n"); 1025 1026 /* Don't bother with FACS, it is usually all zeros */ 1027 } 1028 1029 /* Always get the DSDT */ 1030 1031 ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_DSDT); 1032 AcpiOsTableOverride (&TableHeader, &NewTable); 1033 if (NewTable) 1034 { 1035 AdWriteTable (NewTable, NewTable->Length, 1036 ACPI_SIG_DSDT, NewTable->OemTableId); 1037 1038 /* Store DSDT in the Table Manager */ 1039 1040 Status = AcpiTbStoreTable (0, NewTable, NewTable->Length, 1041 0, &TableIndex); 1042 if (ACPI_FAILURE (Status)) 1043 { 1044 fprintf (stderr, "Could not store DSDT\n"); 1045 return (AE_NO_ACPI_TABLES); 1046 } 1047 } 1048 else 1049 { 1050 fprintf (stderr, "Could not obtain DSDT\n"); 1051 return (AE_NO_ACPI_TABLES); 1052 } 1053 1054 #if 0 1055 /* TBD: Future implementation */ 1056 1057 AcpiOsPrintf ("\n"); 1058 1059 /* Get all SSDTs */ 1060 1061 ACPI_MOVE_32_TO_32 (TableHeader.Signature, ACPI_SIG_SSDT); 1062 do 1063 { 1064 NewTable = NULL; 1065 Status = AcpiOsTableOverride (&TableHeader, &NewTable); 1066 1067 } while (NewTable); 1068 #endif 1069 1070 return (AE_OK); 1071 } 1072 1073 1074 /****************************************************************************** 1075 * 1076 * FUNCTION: AdParseTable 1077 * 1078 * PARAMETERS: Table - Pointer to the raw table 1079 * OwnerId - Returned OwnerId of the table 1080 * LoadTable - If add table to the global table list 1081 * External - If this is an external table 1082 * 1083 * RETURN: Status 1084 * 1085 * DESCRIPTION: Parse the DSDT. 1086 * 1087 *****************************************************************************/ 1088 1089 ACPI_STATUS 1090 AdParseTable ( 1091 ACPI_TABLE_HEADER *Table, 1092 ACPI_OWNER_ID *OwnerId, 1093 BOOLEAN LoadTable, 1094 BOOLEAN External) 1095 { 1096 ACPI_STATUS Status = AE_OK; 1097 ACPI_WALK_STATE *WalkState; 1098 UINT8 *AmlStart; 1099 UINT32 AmlLength; 1100 UINT32 TableIndex; 1101 1102 1103 if (!Table) 1104 { 1105 return (AE_NOT_EXIST); 1106 } 1107 1108 /* Pass 1: Parse everything except control method bodies */ 1109 1110 fprintf (stderr, "Pass 1 parse of [%4.4s]\n", (char *) Table->Signature); 1111 1112 AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER); 1113 AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)); 1114 1115 /* Create the root object */ 1116 1117 AcpiGbl_ParseOpRoot = AcpiPsCreateScopeOp (); 1118 if (!AcpiGbl_ParseOpRoot) 1119 { 1120 return (AE_NO_MEMORY); 1121 } 1122 1123 /* Create and initialize a new walk state */ 1124 1125 WalkState = AcpiDsCreateWalkState (0, 1126 AcpiGbl_ParseOpRoot, NULL, NULL); 1127 if (!WalkState) 1128 { 1129 return (AE_NO_MEMORY); 1130 } 1131 1132 Status = AcpiDsInitAmlWalk (WalkState, AcpiGbl_ParseOpRoot, 1133 NULL, AmlStart, AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); 1134 if (ACPI_FAILURE (Status)) 1135 { 1136 return (Status); 1137 } 1138 1139 WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; 1140 WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; 1141 1142 Status = AcpiPsParseAml (WalkState); 1143 if (ACPI_FAILURE (Status)) 1144 { 1145 return (Status); 1146 } 1147 1148 /* If LoadTable is FALSE, we are parsing the last loaded table */ 1149 1150 TableIndex = AcpiGbl_RootTableList.CurrentTableCount - 1; 1151 1152 /* Pass 2 */ 1153 1154 if (LoadTable) 1155 { 1156 Status = AcpiTbStoreTable ((ACPI_PHYSICAL_ADDRESS) Table, Table, 1157 Table->Length, ACPI_TABLE_ORIGIN_ALLOCATED, &TableIndex); 1158 if (ACPI_FAILURE (Status)) 1159 { 1160 return (Status); 1161 } 1162 Status = AcpiTbAllocateOwnerId (TableIndex); 1163 if (ACPI_FAILURE (Status)) 1164 { 1165 return (Status); 1166 } 1167 if (OwnerId) 1168 { 1169 Status = AcpiTbGetOwnerId (TableIndex, OwnerId); 1170 if (ACPI_FAILURE (Status)) 1171 { 1172 return (Status); 1173 } 1174 } 1175 } 1176 1177 fprintf (stderr, "Pass 2 parse of [%4.4s]\n", (char *) Table->Signature); 1178 1179 Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2, TableIndex, NULL); 1180 if (ACPI_FAILURE (Status)) 1181 { 1182 return (Status); 1183 } 1184 1185 /* No need to parse control methods of external table */ 1186 1187 if (External) 1188 { 1189 return (AE_OK); 1190 } 1191 1192 /* Pass 3: Parse control methods and link their parse trees into the main parse tree */ 1193 1194 Status = AdParseDeferredOps (AcpiGbl_ParseOpRoot); 1195 1196 /* Process Resource Templates */ 1197 1198 AcpiDmFindResources (AcpiGbl_ParseOpRoot); 1199 1200 fprintf (stderr, "Parsing completed\n"); 1201 return (AE_OK); 1202 } 1203