1 /****************************************************************************** 2 * 3 * Module Name: adisasm - Application-level disassembler routines 4 * $Revision: 69 $ 5 * 6 *****************************************************************************/ 7 8 /****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2004, 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 *****************************************************************************/ 116 117 118 #include "acpi.h" 119 #include "acparser.h" 120 #include "amlcode.h" 121 #include "acdebug.h" 122 #include "acdisasm.h" 123 #include "acdispat.h" 124 #include "acnamesp.h" 125 #include "acapps.h" 126 127 #include <stdio.h> 128 #include <string.h> 129 #include <time.h> 130 131 132 #define _COMPONENT ACPI_TOOLS 133 ACPI_MODULE_NAME ("adisasm") 134 135 136 ACPI_PARSE_OBJECT *AcpiGbl_ParsedNamespaceRoot; 137 138 139 #ifndef _ACPI_ASL_COMPILER 140 BOOLEAN 141 AcpiDsIsResultUsed ( 142 ACPI_PARSE_OBJECT *Op, 143 ACPI_WALK_STATE *WalkState) 144 { 145 return TRUE; 146 } 147 #endif 148 149 ACPI_STATUS 150 AcpiDsRestartControlMethod ( 151 ACPI_WALK_STATE *WalkState, 152 ACPI_OPERAND_OBJECT *ReturnDesc) 153 { 154 return (AE_OK); 155 } 156 157 ACPI_STATUS 158 AcpiDsTerminateControlMethod ( 159 ACPI_WALK_STATE *WalkState) 160 { 161 return (AE_OK); 162 } 163 164 ACPI_STATUS 165 AcpiDsCallControlMethod ( 166 ACPI_THREAD_STATE *Thread, 167 ACPI_WALK_STATE *WalkState, 168 ACPI_PARSE_OBJECT *Op) 169 { 170 return (AE_OK); 171 } 172 173 ACPI_STATUS 174 AcpiDsMethodDataInitArgs ( 175 ACPI_OPERAND_OBJECT **Params, 176 UINT32 MaxParamCount, 177 ACPI_WALK_STATE *WalkState) 178 { 179 return (AE_OK); 180 } 181 182 183 #define FILE_SUFFIX_DISASSEMBLY "dsl" 184 #define ACPI_TABLE_FILE_SUFFIX ".dat" 185 char FilenameBuf[20]; 186 187 /****************************************************************************** 188 * 189 * FUNCTION: AfGenerateFilename 190 * 191 * PARAMETERS: 192 * 193 * RETURN: 194 * 195 * DESCRIPTION: Build an output filename from an ACPI table ID string 196 * 197 ******************************************************************************/ 198 199 char * 200 AdGenerateFilename ( 201 char *Prefix, 202 char *TableId) 203 { 204 ACPI_NATIVE_UINT i; 205 ACPI_NATIVE_UINT j; 206 207 208 for (i = 0; Prefix[i]; i++) 209 { 210 FilenameBuf[i] = Prefix[i]; 211 } 212 213 FilenameBuf[i] = '_'; 214 i++; 215 216 for (j = 0; j < 8 && (TableId[j] != ' ') && (TableId[j] != 0); i++, j++) 217 { 218 FilenameBuf[i] = TableId[j]; 219 } 220 221 FilenameBuf[i] = 0; 222 strcat (FilenameBuf, ACPI_TABLE_FILE_SUFFIX); 223 return FilenameBuf; 224 } 225 226 227 /****************************************************************************** 228 * 229 * FUNCTION: AfWriteBuffer 230 * 231 * PARAMETERS: 232 * 233 * RETURN: 234 * 235 * DESCRIPTION: Open a file and write out a single buffer 236 * 237 ******************************************************************************/ 238 239 ACPI_NATIVE_INT 240 AdWriteBuffer ( 241 char *Filename, 242 char *Buffer, 243 UINT32 Length) 244 { 245 FILE *fp; 246 ACPI_NATIVE_INT Actual; 247 248 249 fp = fopen (Filename, "wb"); 250 if (!fp) 251 { 252 printf ("Couldn't open %s\n", Filename); 253 return -1; 254 } 255 256 Actual = fwrite (Buffer, (size_t) Length, 1, fp); 257 fclose (fp); 258 return Actual; 259 } 260 261 262 /****************************************************************************** 263 * 264 * FUNCTION: AfWriteTable 265 * 266 * PARAMETERS: 267 * 268 * RETURN: 269 * 270 * DESCRIPTION: Dump the loaded tables to a file (or files) 271 * 272 ******************************************************************************/ 273 274 void 275 AdWriteTable ( 276 ACPI_TABLE_HEADER *Table, 277 UINT32 Length, 278 char *TableName, 279 char *OemTableId) 280 { 281 char *Filename; 282 283 284 Filename = AdGenerateFilename (TableName, OemTableId); 285 AdWriteBuffer (Filename, (char *) Table, Length); 286 287 AcpiOsPrintf ("Table [%s] written to \"%s\"\n", TableName, Filename); 288 } 289 290 291 /******************************************************************************* 292 * 293 * FUNCTION: AdInitialize 294 * 295 * PARAMETERS: None. 296 * 297 * RETURN: Status 298 * 299 * DESCRIPTION: CA initialization 300 * 301 ******************************************************************************/ 302 303 ACPI_STATUS 304 AdInitialize ( 305 void) 306 { 307 ACPI_STATUS Status; 308 309 310 /* ACPI CA subsystem initialization */ 311 312 AcpiUtInitGlobals (); 313 Status = AcpiUtMutexInitialize (); 314 if (ACPI_FAILURE (Status)) 315 { 316 return Status; 317 } 318 319 Status = AcpiNsRootInitialize (); 320 return Status; 321 } 322 323 324 /******************************************************************************* 325 * 326 * FUNCTION: FlGenerateFilename 327 * 328 * PARAMETERS: InputFilename - Original ASL source filename 329 * Suffix - New extension. 330 * 331 * RETURN: New filename containing the original base + the new suffix 332 * 333 * DESCRIPTION: Generate a new filename from the ASL source filename and a new 334 * extension. Used to create the *.LST, *.TXT, etc. files. 335 * 336 ******************************************************************************/ 337 338 char * 339 FlGenerateFilename ( 340 char *InputFilename, 341 char *Suffix) 342 { 343 char *Position; 344 char *NewFilename; 345 346 347 /* Copy the original filename to a new buffer */ 348 349 NewFilename = ACPI_MEM_CALLOCATE (strlen (InputFilename) + strlen (Suffix)); 350 strcpy (NewFilename, InputFilename); 351 352 /* Try to find the last dot in the filename */ 353 354 Position = strrchr (NewFilename, '.'); 355 if (Position) 356 { 357 /* Tack on the new suffix */ 358 359 Position++; 360 *Position = 0; 361 strcat (Position, Suffix); 362 } 363 else 364 { 365 /* No dot, add one and then the suffix */ 366 367 strcat (NewFilename, "."); 368 strcat (NewFilename, Suffix); 369 } 370 371 return NewFilename; 372 } 373 374 375 /******************************************************************************* 376 * 377 * FUNCTION: FlSplitInputPathname 378 * 379 * PARAMETERS: InputFilename - The user-specified ASL source file to be 380 * compiled 381 * 382 * RETURN: Status 383 * 384 * DESCRIPTION: Split the input path into a directory and filename part 385 * 1) Directory part used to open include files 386 * 2) Filename part used to generate output filenames 387 * 388 ******************************************************************************/ 389 390 ACPI_STATUS 391 FlSplitInputPathname ( 392 char *InputPath, 393 char **OutDirectoryPath, 394 char **OutFilename) 395 { 396 char *Substring; 397 char *DirectoryPath; 398 char *Filename; 399 400 401 *OutDirectoryPath = NULL; 402 *OutFilename = NULL; 403 404 if (!InputPath) 405 { 406 return (AE_OK); 407 } 408 409 /* Get the path to the input filename's directory */ 410 411 DirectoryPath = strdup (InputPath); 412 if (!DirectoryPath) 413 { 414 return (AE_NO_MEMORY); 415 } 416 417 Substring = strrchr (DirectoryPath, '\\'); 418 if (!Substring) 419 { 420 Substring = strrchr (DirectoryPath, '/'); 421 if (!Substring) 422 { 423 Substring = strrchr (DirectoryPath, ':'); 424 } 425 } 426 427 if (!Substring) 428 { 429 DirectoryPath[0] = 0; 430 Filename = strdup (InputPath); 431 } 432 else 433 { 434 Filename = strdup (Substring + 1); 435 *(Substring+1) = 0; 436 } 437 438 if (!Filename) 439 { 440 return (AE_NO_MEMORY); 441 } 442 443 *OutDirectoryPath = DirectoryPath; 444 *OutFilename = Filename; 445 446 return (AE_OK); 447 } 448 449 450 /****************************************************************************** 451 * 452 * FUNCTION: AdAmlDisassemble 453 * 454 * PARAMETERS: OutToFile - TRUE if output should go to a file 455 * Filename - AML input filename 456 * 457 * RETURN: Status 458 * 459 * DESCRIPTION: Disassemble an entire ACPI table 460 * 461 *****************************************************************************/ 462 463 ACPI_STATUS 464 AdAmlDisassemble ( 465 BOOLEAN OutToFile, 466 char *Filename, 467 char *Prefix, 468 char **OutFilename, 469 BOOLEAN GetAllTables) 470 { 471 ACPI_STATUS Status; 472 char *DisasmFilename = NULL; 473 FILE *File = NULL; 474 ACPI_TABLE_HEADER *Table; 475 476 477 /* 478 * Input: AML Code from either a file, 479 * or via GetTables (memory or registry) 480 */ 481 if (Filename) 482 { 483 Status = AcpiDbGetTableFromFile (Filename, &Table); 484 if (ACPI_FAILURE (Status)) 485 { 486 return Status; 487 } 488 } 489 else 490 { 491 Status = AdGetLocalTables (Filename, GetAllTables); 492 if (ACPI_FAILURE (Status)) 493 { 494 AcpiOsPrintf ("Could not get ACPI tables, %s\n", 495 AcpiFormatException (Status)); 496 return Status; 497 } 498 499 if (!AcpiGbl_DbOpt_disasm) 500 { 501 return AE_OK; 502 } 503 504 /* Obtained the local tables, just disassmeble the DSDT */ 505 506 Table = AcpiGbl_DSDT; 507 AcpiOsPrintf ("\nDisassembly of DSDT\n"); 508 Prefix = AdGenerateFilename ("dsdt", AcpiGbl_DSDT->OemTableId); 509 } 510 511 /* 512 * Output: ASL code. 513 * Redirect to a file if requested 514 */ 515 if (OutToFile) 516 { 517 /* Create/Open a disassembly output file */ 518 519 DisasmFilename = FlGenerateFilename (Prefix, FILE_SUFFIX_DISASSEMBLY); 520 if (!OutFilename) 521 { 522 fprintf (stderr, "Could not generate output filename\n"); 523 Status = AE_ERROR; 524 goto Cleanup; 525 } 526 527 File = fopen (DisasmFilename, "w+"); 528 if (!File) 529 { 530 fprintf (stderr, "Could not open output file\n"); 531 Status = AE_ERROR; 532 goto Cleanup; 533 } 534 535 AcpiOsRedirectOutput (File); 536 } 537 538 *OutFilename = DisasmFilename; 539 540 /* Always parse the tables, only option is what to display */ 541 542 Status = AdParseTable (Table); 543 if (ACPI_FAILURE (Status)) 544 { 545 AcpiOsPrintf ("Could not parse ACPI tables, %s\n", 546 AcpiFormatException (Status)); 547 goto Cleanup; 548 } 549 550 /* 551 * TBD: We want to cross reference the namespace here, in order to 552 * generate External() statements. The problem is that the parse 553 * tree is in run-time (interpreter) format, not compiler format, 554 * so we cannot directly use the function below: 555 * 556 * Status = LkCrossReferenceNamespace (); 557 * 558 * We need to either convert the parse tree or create a new 559 * cross ref function that can handle interpreter parse trees 560 */ 561 562 /* Optional displays */ 563 564 if (AcpiGbl_DbOpt_disasm) 565 { 566 AdDisplayTables (Filename, Table); 567 fprintf (stderr, "Disassembly completed, written to \"%s\"\n", DisasmFilename); 568 } 569 570 Cleanup: 571 if (OutToFile) 572 { 573 fclose (File); 574 AcpiOsRedirectOutput (stdout); 575 } 576 577 AcpiPsDeleteParseTree (AcpiGbl_ParsedNamespaceRoot); 578 return Status; 579 } 580 581 582 /****************************************************************************** 583 * 584 * FUNCTION: AdCreateTableHeader 585 * 586 * PARAMETERS: Filename - Input file for the table 587 * Table - Pointer to the raw table 588 * 589 * RETURN: None 590 * 591 * DESCRIPTION: Create the ASL table header, including ACPI CA signon with 592 * current time and date. 593 * 594 *****************************************************************************/ 595 596 void 597 AdCreateTableHeader ( 598 char *Filename, 599 ACPI_TABLE_HEADER *Table) 600 { 601 time_t Timer; 602 603 604 time (&Timer); 605 606 AcpiOsPrintf ("/*\n * Intel ACPI Component Architecture\n"); 607 AcpiOsPrintf (" * AML Disassembler version %8.8X\n", ACPI_CA_VERSION); 608 AcpiOsPrintf (" *\n * Disassembly of %s, %s */\n", Filename, ctime (&Timer)); 609 610 AcpiOsPrintf ( 611 "DefinitionBlock (\"%4.4s.aml\", \"%4.4s\", %hd, \"%.6s\", \"%.8s\", %u)\n", 612 Table->Signature, Table->Signature, Table->Revision, 613 Table->OemId, Table->OemTableId, Table->OemRevision); 614 } 615 616 617 /****************************************************************************** 618 * 619 * FUNCTION: AdDisplayTables 620 * 621 * PARAMETERS: Filename - Input file for the table 622 * 623 * RETURN: Status 624 * 625 * DESCRIPTION: Display (disassemble) loaded tables and dump raw tables 626 * 627 *****************************************************************************/ 628 629 ACPI_STATUS 630 AdDisplayTables ( 631 char *Filename, 632 ACPI_TABLE_HEADER *Table) 633 { 634 635 636 if (!AcpiGbl_ParsedNamespaceRoot) 637 { 638 return AE_NOT_EXIST; 639 } 640 641 if (!AcpiGbl_DbOpt_verbose) 642 { 643 AdCreateTableHeader (Filename, Table); 644 } 645 646 AcpiDmDisassemble (NULL, AcpiGbl_ParsedNamespaceRoot, ACPI_UINT32_MAX); 647 648 if (AcpiGbl_DbOpt_verbose) 649 { 650 AcpiOsPrintf ("\n\nTable Header:\n"); 651 AcpiUtDumpBuffer ((UINT8 *) Table, sizeof (ACPI_TABLE_HEADER), 652 DB_BYTE_DISPLAY, ACPI_UINT32_MAX); 653 654 AcpiOsPrintf ("Table Body (Length 0x%X)\n", Table->Length); 655 AcpiUtDumpBuffer (((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)), Table->Length, 656 DB_BYTE_DISPLAY, ACPI_UINT32_MAX); 657 } 658 659 return AE_OK; 660 } 661 662 663 /****************************************************************************** 664 * 665 * FUNCTION: AdDeferredParse 666 * 667 * PARAMETERS: Op - Root Op of the deferred opcode 668 * Aml - Pointer to the raw AML 669 * AmlLength - Length of the AML 670 * 671 * RETURN: Status 672 * 673 * DESCRIPTION: Parse one deferred opcode 674 * (Methods, operation regions, etc.) 675 * 676 *****************************************************************************/ 677 678 ACPI_STATUS 679 AdDeferredParse ( 680 ACPI_PARSE_OBJECT *Op, 681 UINT8 *Aml, 682 UINT32 AmlLength) 683 { 684 ACPI_WALK_STATE *WalkState; 685 ACPI_STATUS Status; 686 ACPI_PARSE_OBJECT *SearchOp; 687 ACPI_PARSE_OBJECT *StartOp; 688 UINT32 BaseAmlOffset; 689 ACPI_PARSE_OBJECT *ExtraOp; 690 691 692 ACPI_FUNCTION_TRACE ("AdDeferredParse"); 693 694 695 fprintf (stderr, "."); 696 697 if (!Aml || !AmlLength) 698 { 699 return_ACPI_STATUS (AE_OK); 700 } 701 702 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Parsing %s [%4.4s]\n", 703 Op->Common.AmlOpName, (char *) &Op->Named.Name)); 704 705 WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL); 706 if (!WalkState) 707 { 708 return_ACPI_STATUS (AE_NO_MEMORY); 709 } 710 711 Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, Aml, 712 AmlLength, NULL, 1); 713 if (ACPI_FAILURE (Status)) 714 { 715 return_ACPI_STATUS (Status); 716 } 717 718 /* Parse the method */ 719 720 WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; 721 Status = AcpiPsParseAml (WalkState); 722 723 /* 724 * We need to update all of the Aml offsets, since the parser thought 725 * that the method began at offset zero. In reality, it began somewhere 726 * within the ACPI table, at the BaseAmlOffset. Walk the entire tree that 727 * was just created and update the AmlOffset in each Op 728 */ 729 BaseAmlOffset = (Op->Common.Value.Arg)->Common.AmlOffset + 1; 730 StartOp = (Op->Common.Value.Arg)->Common.Next; 731 SearchOp = StartOp; 732 733 /* Walk the parse tree */ 734 735 while (SearchOp) 736 { 737 SearchOp->Common.AmlOffset += BaseAmlOffset; 738 SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp); 739 } 740 741 /* 742 * Link the newly parsed subtree into the main parse tree 743 */ 744 switch (Op->Common.AmlOpcode) 745 { 746 case AML_BUFFER_OP: 747 case AML_PACKAGE_OP: 748 case AML_VAR_PACKAGE_OP: 749 750 switch (Op->Common.AmlOpcode) 751 { 752 case AML_PACKAGE_OP: 753 case AML_VAR_PACKAGE_OP: 754 ExtraOp = Op->Common.Value.Arg; 755 ExtraOp = ExtraOp->Common.Next; 756 Op->Common.Value.Arg = ExtraOp->Common.Value.Arg; 757 break; 758 759 case AML_BUFFER_OP: 760 default: 761 ExtraOp = Op->Common.Value.Arg; 762 Op->Common.Value.Arg = ExtraOp->Common.Value.Arg; 763 break; 764 } 765 766 /* Must point all parents to the main tree */ 767 768 StartOp = Op; 769 SearchOp = StartOp; 770 while (SearchOp) 771 { 772 if (SearchOp->Common.Parent == ExtraOp) 773 { 774 SearchOp->Common.Parent = Op; 775 } 776 SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp); 777 } 778 break; 779 780 default: 781 break; 782 } 783 784 return_ACPI_STATUS (AE_OK); 785 } 786 787 788 /****************************************************************************** 789 * 790 * FUNCTION: AdParseDeferredOps 791 * 792 * PARAMETERS: Root - Root of the parse tree 793 * 794 * RETURN: Status 795 * 796 * DESCRIPTION: Parse the deferred opcodes (Methods, regions, etc.) 797 * 798 *****************************************************************************/ 799 800 ACPI_STATUS 801 AdParseDeferredOps ( 802 ACPI_PARSE_OBJECT *Root) 803 { 804 ACPI_PARSE_OBJECT *Op = Root; 805 ACPI_STATUS Status = AE_OK; 806 const ACPI_OPCODE_INFO *OpInfo; 807 808 809 ACPI_FUNCTION_NAME ("AdParseDeferredOps"); 810 fprintf (stderr, "Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)\n"); 811 812 while (Op) 813 { 814 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 815 if (!(OpInfo->Flags & AML_DEFER)) 816 { 817 Op = AcpiPsGetDepthNext (Root, Op); 818 continue; 819 } 820 821 switch (Op->Common.AmlOpcode) 822 { 823 case AML_METHOD_OP: 824 case AML_BUFFER_OP: 825 case AML_PACKAGE_OP: 826 case AML_VAR_PACKAGE_OP: 827 828 Status = AdDeferredParse (Op, Op->Named.Data, Op->Named.Length); 829 if (ACPI_FAILURE (Status)) 830 { 831 return_ACPI_STATUS (Status); 832 } 833 break; 834 835 case AML_REGION_OP: 836 case AML_CREATE_QWORD_FIELD_OP: 837 case AML_CREATE_DWORD_FIELD_OP: 838 case AML_CREATE_WORD_FIELD_OP: 839 case AML_CREATE_BYTE_FIELD_OP: 840 case AML_CREATE_BIT_FIELD_OP: 841 case AML_CREATE_FIELD_OP: 842 843 /* Nothing to do in these cases */ 844 845 break; 846 847 default: 848 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unhandled deferred opcode [%s]\n", 849 Op->Common.AmlOpName)); 850 break; 851 } 852 853 Op = AcpiPsGetDepthNext (Root, Op); 854 } 855 856 fprintf (stderr, "\n"); 857 return Status; 858 } 859 860 861 /****************************************************************************** 862 * 863 * FUNCTION: AdGetLocalTables 864 * 865 * PARAMETERS: 866 * 867 * RETURN: None 868 * 869 * DESCRIPTION: Get the ACPI tables from either memory or a file 870 * 871 *****************************************************************************/ 872 873 ACPI_STATUS 874 AdGetLocalTables ( 875 char *Filename, 876 BOOLEAN GetAllTables) 877 { 878 ACPI_STATUS Status; 879 ACPI_TABLE_HEADER TableHeader; 880 ACPI_TABLE_HEADER *NewTable; 881 UINT32 NumTables; 882 UINT32 PointerSize; 883 char *FacsSuffix = ""; 884 885 886 if (GetAllTables) 887 { 888 ACPI_STRNCPY (TableHeader.Signature, RSDT_SIG, 4); 889 AcpiOsTableOverride (&TableHeader, &NewTable); 890 if (!NewTable) 891 { 892 fprintf (stderr, "Could not obtain RSDT\n"); 893 return AE_NO_ACPI_TABLES; 894 } 895 896 #if ACPI_MACHINE_WIDTH != 64 897 898 if (!ACPI_STRNCMP (NewTable->Signature, RSDT_SIG, 4)) 899 { 900 PointerSize = sizeof (UINT32); 901 } 902 else 903 #endif 904 { 905 PointerSize = sizeof (UINT64); 906 } 907 908 /* 909 * Determine the number of tables pointed to by the RSDT/XSDT. 910 * This is defined by the ACPI Specification to be the number of 911 * pointers contained within the RSDT/XSDT. The size of the pointers 912 * is architecture-dependent. 913 */ 914 NumTables = (NewTable->Length - sizeof (ACPI_TABLE_HEADER)) / PointerSize; 915 AcpiOsPrintf ("There are %d tables defined in the %4.4s\n\n", 916 NumTables, NewTable->Signature); 917 918 /* Get the FADT */ 919 920 ACPI_STRNCPY (TableHeader.Signature, FADT_SIG, 4); 921 AcpiOsTableOverride (&TableHeader, &NewTable); 922 if (NewTable) 923 { 924 AcpiGbl_FADT = (void *) NewTable; 925 AdWriteTable (NewTable, NewTable->Length, 926 FADT_SIG, NewTable->OemTableId); 927 928 /* Use the FADT tableID for the FACS, since FACS has no ID */ 929 930 FacsSuffix = AcpiGbl_FADT->OemTableId; 931 } 932 AcpiOsPrintf ("\n"); 933 934 /* Get the FACS */ 935 936 ACPI_STRNCPY (TableHeader.Signature, FACS_SIG, 4); 937 AcpiOsTableOverride (&TableHeader, &NewTable); 938 if (NewTable) 939 { 940 AcpiGbl_FACS = (void *) NewTable; 941 AdWriteTable (NewTable, AcpiGbl_FACS->Length, 942 FACS_SIG, FacsSuffix); 943 } 944 AcpiOsPrintf ("\n"); 945 } 946 947 /* Always get the DSDT */ 948 949 ACPI_STRNCPY (TableHeader.Signature, DSDT_SIG, 4); 950 AcpiOsTableOverride (&TableHeader, &NewTable); 951 if (NewTable) 952 { 953 Status = AE_OK; 954 AcpiGbl_DSDT = NewTable; 955 AdWriteTable (AcpiGbl_DSDT, AcpiGbl_DSDT->Length, 956 "DSDT", AcpiGbl_DSDT->OemTableId); 957 } 958 else 959 { 960 fprintf (stderr, "Could not obtain DSDT\n"); 961 return AE_NO_ACPI_TABLES; 962 } 963 964 AcpiOsPrintf ("\n"); 965 966 /* Get all SSDTs */ 967 968 ACPI_STRNCPY (TableHeader.Signature, SSDT_SIG, 4); 969 Status = AcpiOsTableOverride (&TableHeader, &NewTable); 970 if (NewTable) 971 { 972 while (NewTable) 973 { 974 Status = AcpiOsTableOverride (&TableHeader, &NewTable); 975 } 976 } 977 978 return AE_OK; 979 } 980 981 /****************************************************************************** 982 * 983 * FUNCTION: AdParseTable 984 * 985 * PARAMETERS: None 986 * 987 * RETURN: Status 988 * 989 * DESCRIPTION: Parse the DSDT. 990 * 991 *****************************************************************************/ 992 993 ACPI_STATUS 994 AdParseTable ( 995 ACPI_TABLE_HEADER *Table) 996 { 997 ACPI_STATUS Status = AE_OK; 998 ACPI_WALK_STATE *WalkState; 999 ACPI_TABLE_DESC TableDesc; 1000 UINT8 *AmlStart; 1001 UINT32 AmlLength; 1002 1003 1004 if (!Table) 1005 { 1006 return AE_NOT_EXIST; 1007 } 1008 1009 /* Pass 1: Parse everything except control method bodies */ 1010 1011 fprintf (stderr, "Pass 1 parse of [%4.4s]\n", (char *) Table->Signature); 1012 1013 AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER); 1014 AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)); 1015 1016 /* Create the root object */ 1017 1018 AcpiGbl_ParsedNamespaceRoot = AcpiPsCreateScopeOp (); 1019 if (!AcpiGbl_ParsedNamespaceRoot) 1020 { 1021 return AE_NO_MEMORY; 1022 } 1023 1024 /* Create and initialize a new walk state */ 1025 1026 WalkState = AcpiDsCreateWalkState (0, 1027 AcpiGbl_ParsedNamespaceRoot, NULL, NULL); 1028 if (!WalkState) 1029 { 1030 return (AE_NO_MEMORY); 1031 } 1032 1033 Status = AcpiDsInitAmlWalk (WalkState, AcpiGbl_ParsedNamespaceRoot, 1034 NULL, AmlStart, AmlLength, NULL, 1); 1035 if (ACPI_FAILURE (Status)) 1036 { 1037 return (Status); 1038 } 1039 1040 WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; 1041 1042 Status = AcpiPsParseAml (WalkState); 1043 if (ACPI_FAILURE (Status)) 1044 { 1045 return Status; 1046 } 1047 1048 /* Pass 2 */ 1049 1050 TableDesc.AmlStart = AmlStart; 1051 TableDesc.AmlLength = AmlLength; 1052 fprintf (stderr, "Pass 2 parse of [%4.4s]\n", (char *) Table->Signature); 1053 1054 Status = AcpiNsOneCompleteParse (2, &TableDesc); 1055 if (ACPI_FAILURE (Status)) 1056 { 1057 return (Status); 1058 } 1059 1060 /* Pass 3: Parse control methods and link their parse trees into the main parse tree */ 1061 1062 Status = AdParseDeferredOps (AcpiGbl_ParsedNamespaceRoot); 1063 1064 fprintf (stderr, "Parsing completed\n"); 1065 return AE_OK; 1066 } 1067 1068 1069