1 /****************************************************************************** 2 * 3 * Module Name: adisasm - Application-level disassembler routines 4 * $Revision: 1.77 $ 5 * 6 *****************************************************************************/ 7 8 /****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2005, 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 <contrib/dev/acpica/acpi.h> 119 #include <contrib/dev/acpica/acparser.h> 120 #include <contrib/dev/acpica/amlcode.h> 121 #include <contrib/dev/acpica/acdebug.h> 122 #include <contrib/dev/acpica/acdisasm.h> 123 #include <contrib/dev/acpica/acdispat.h> 124 #include <contrib/dev/acpica/acnamesp.h> 125 #include <contrib/dev/acpica/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 void 158 AcpiDsTerminateControlMethod ( 159 ACPI_WALK_STATE *WalkState) 160 { 161 return; 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: Prefix - prefix string 192 * TableId - The table ID 193 * 194 * RETURN: Pointer to the completed string 195 * 196 * DESCRIPTION: Build an output filename from an ACPI table ID string 197 * 198 ******************************************************************************/ 199 200 char * 201 AdGenerateFilename ( 202 char *Prefix, 203 char *TableId) 204 { 205 ACPI_NATIVE_UINT i; 206 ACPI_NATIVE_UINT j; 207 208 209 for (i = 0; Prefix[i]; i++) 210 { 211 FilenameBuf[i] = Prefix[i]; 212 } 213 214 FilenameBuf[i] = '_'; 215 i++; 216 217 for (j = 0; j < 8 && (TableId[j] != ' ') && (TableId[j] != 0); i++, j++) 218 { 219 FilenameBuf[i] = TableId[j]; 220 } 221 222 FilenameBuf[i] = 0; 223 strcat (FilenameBuf, ACPI_TABLE_FILE_SUFFIX); 224 return FilenameBuf; 225 } 226 227 228 /****************************************************************************** 229 * 230 * FUNCTION: AfWriteBuffer 231 * 232 * PARAMETERS: Filename - name of file 233 * Buffer - data to write 234 * Length - length of data 235 * 236 * RETURN: Actual number of bytes written 237 * 238 * DESCRIPTION: Open a file and write out a single buffer 239 * 240 ******************************************************************************/ 241 242 ACPI_NATIVE_INT 243 AdWriteBuffer ( 244 char *Filename, 245 char *Buffer, 246 UINT32 Length) 247 { 248 FILE *fp; 249 ACPI_NATIVE_INT Actual; 250 251 252 fp = fopen (Filename, "wb"); 253 if (!fp) 254 { 255 printf ("Couldn't open %s\n", Filename); 256 return -1; 257 } 258 259 Actual = fwrite (Buffer, (size_t) Length, 1, fp); 260 fclose (fp); 261 return Actual; 262 } 263 264 265 /****************************************************************************** 266 * 267 * FUNCTION: AfWriteTable 268 * 269 * PARAMETERS: Table - pointer to the ACPI table 270 * Length - length of the table 271 * TableName - the table signature 272 * OemTableID - from the table header 273 * 274 * RETURN: None 275 * 276 * DESCRIPTION: Dump the loaded tables to a file (or files) 277 * 278 ******************************************************************************/ 279 280 void 281 AdWriteTable ( 282 ACPI_TABLE_HEADER *Table, 283 UINT32 Length, 284 char *TableName, 285 char *OemTableId) 286 { 287 char *Filename; 288 289 290 Filename = AdGenerateFilename (TableName, OemTableId); 291 AdWriteBuffer (Filename, (char *) Table, Length); 292 293 AcpiOsPrintf ("Table [%s] written to \"%s\"\n", TableName, Filename); 294 } 295 296 297 /******************************************************************************* 298 * 299 * FUNCTION: AdInitialize 300 * 301 * PARAMETERS: None. 302 * 303 * RETURN: Status 304 * 305 * DESCRIPTION: CA initialization 306 * 307 ******************************************************************************/ 308 309 ACPI_STATUS 310 AdInitialize ( 311 void) 312 { 313 ACPI_STATUS Status; 314 315 316 /* ACPI CA subsystem initialization */ 317 318 AcpiUtInitGlobals (); 319 Status = AcpiUtMutexInitialize (); 320 if (ACPI_FAILURE (Status)) 321 { 322 return Status; 323 } 324 325 Status = AcpiNsRootInitialize (); 326 return Status; 327 } 328 329 330 /******************************************************************************* 331 * 332 * FUNCTION: FlGenerateFilename 333 * 334 * PARAMETERS: InputFilename - Original ASL source filename 335 * Suffix - New extension. 336 * 337 * RETURN: New filename containing the original base + the new suffix 338 * 339 * DESCRIPTION: Generate a new filename from the ASL source filename and a new 340 * extension. Used to create the *.LST, *.TXT, etc. files. 341 * 342 ******************************************************************************/ 343 344 char * 345 FlGenerateFilename ( 346 char *InputFilename, 347 char *Suffix) 348 { 349 char *Position; 350 char *NewFilename; 351 352 353 /* Copy the original filename to a new buffer */ 354 355 NewFilename = ACPI_MEM_CALLOCATE (strlen (InputFilename) + strlen (Suffix)); 356 strcpy (NewFilename, InputFilename); 357 358 /* Try to find the last dot in the filename */ 359 360 Position = strrchr (NewFilename, '.'); 361 if (Position) 362 { 363 /* Tack on the new suffix */ 364 365 Position++; 366 *Position = 0; 367 strcat (Position, Suffix); 368 } 369 else 370 { 371 /* No dot, add one and then the suffix */ 372 373 strcat (NewFilename, "."); 374 strcat (NewFilename, Suffix); 375 } 376 377 return NewFilename; 378 } 379 380 381 /******************************************************************************* 382 * 383 * FUNCTION: FlSplitInputPathname 384 * 385 * PARAMETERS: InputFilename - The user-specified ASL source file to be 386 * compiled 387 * OutDirectoryPath - Where the directory path prefix is 388 * returned 389 * OutFilename - Where the filename part is returned 390 * 391 * RETURN: Status 392 * 393 * DESCRIPTION: Split the input path into a directory and filename part 394 * 1) Directory part used to open include files 395 * 2) Filename part used to generate output filenames 396 * 397 ******************************************************************************/ 398 399 ACPI_STATUS 400 FlSplitInputPathname ( 401 char *InputPath, 402 char **OutDirectoryPath, 403 char **OutFilename) 404 { 405 char *Substring; 406 char *DirectoryPath; 407 char *Filename; 408 409 410 *OutDirectoryPath = NULL; 411 *OutFilename = NULL; 412 413 if (!InputPath) 414 { 415 return (AE_OK); 416 } 417 418 /* Get the path to the input filename's directory */ 419 420 DirectoryPath = strdup (InputPath); 421 if (!DirectoryPath) 422 { 423 return (AE_NO_MEMORY); 424 } 425 426 Substring = strrchr (DirectoryPath, '\\'); 427 if (!Substring) 428 { 429 Substring = strrchr (DirectoryPath, '/'); 430 if (!Substring) 431 { 432 Substring = strrchr (DirectoryPath, ':'); 433 } 434 } 435 436 if (!Substring) 437 { 438 DirectoryPath[0] = 0; 439 Filename = strdup (InputPath); 440 } 441 else 442 { 443 Filename = strdup (Substring + 1); 444 *(Substring+1) = 0; 445 } 446 447 if (!Filename) 448 { 449 return (AE_NO_MEMORY); 450 } 451 452 *OutDirectoryPath = DirectoryPath; 453 *OutFilename = Filename; 454 455 return (AE_OK); 456 } 457 458 459 /****************************************************************************** 460 * 461 * FUNCTION: AdAmlDisassemble 462 * 463 * PARAMETERS: Filename - AML input filename 464 * OutToFile - TRUE if output should go to a file 465 * Prefix - Path prefix for output 466 * OutFilename - where the filename is returned 467 * GetAllTables - TRUE if all tables are desired 468 * 469 * RETURN: Status 470 * 471 * DESCRIPTION: Disassemble an entire ACPI table 472 * 473 *****************************************************************************/ 474 475 ACPI_STATUS 476 AdAmlDisassemble ( 477 BOOLEAN OutToFile, 478 char *Filename, 479 char *Prefix, 480 char **OutFilename, 481 BOOLEAN GetAllTables) 482 { 483 ACPI_STATUS Status; 484 char *DisasmFilename = NULL; 485 FILE *File = NULL; 486 ACPI_TABLE_HEADER *Table; 487 488 489 /* 490 * Input: AML Code from either a file, 491 * or via GetTables (memory or registry) 492 */ 493 if (Filename) 494 { 495 Status = AcpiDbGetTableFromFile (Filename, &Table); 496 if (ACPI_FAILURE (Status)) 497 { 498 return Status; 499 } 500 } 501 else 502 { 503 Status = AdGetLocalTables (Filename, GetAllTables); 504 if (ACPI_FAILURE (Status)) 505 { 506 AcpiOsPrintf ("Could not get ACPI tables, %s\n", 507 AcpiFormatException (Status)); 508 return Status; 509 } 510 511 if (!AcpiGbl_DbOpt_disasm) 512 { 513 return AE_OK; 514 } 515 516 /* Obtained the local tables, just disassmeble the DSDT */ 517 518 Table = AcpiGbl_DSDT; 519 AcpiOsPrintf ("\nDisassembly of DSDT\n"); 520 Prefix = AdGenerateFilename ("dsdt", AcpiGbl_DSDT->OemTableId); 521 } 522 523 /* 524 * Output: ASL code. 525 * Redirect to a file if requested 526 */ 527 if (OutToFile) 528 { 529 /* Create/Open a disassembly output file */ 530 531 DisasmFilename = FlGenerateFilename (Prefix, FILE_SUFFIX_DISASSEMBLY); 532 if (!OutFilename) 533 { 534 fprintf (stderr, "Could not generate output filename\n"); 535 Status = AE_ERROR; 536 goto Cleanup; 537 } 538 539 File = fopen (DisasmFilename, "w+"); 540 if (!File) 541 { 542 fprintf (stderr, "Could not open output file\n"); 543 Status = AE_ERROR; 544 goto Cleanup; 545 } 546 547 AcpiOsRedirectOutput (File); 548 } 549 550 *OutFilename = DisasmFilename; 551 552 /* Always parse the tables, only option is what to display */ 553 554 Status = AdParseTable (Table); 555 if (ACPI_FAILURE (Status)) 556 { 557 AcpiOsPrintf ("Could not parse ACPI tables, %s\n", 558 AcpiFormatException (Status)); 559 goto Cleanup; 560 } 561 562 /* 563 * TBD: We want to cross reference the namespace here, in order to 564 * generate External() statements. The problem is that the parse 565 * tree is in run-time (interpreter) format, not compiler format, 566 * so we cannot directly use the function below: 567 * 568 * Status = LkCrossReferenceNamespace (); 569 * 570 * We need to either convert the parse tree or create a new 571 * cross ref function that can handle interpreter parse trees 572 */ 573 574 /* Optional displays */ 575 576 if (AcpiGbl_DbOpt_disasm) 577 { 578 AdDisplayTables (Filename, Table); 579 fprintf (stderr, "Disassembly completed, written to \"%s\"\n", DisasmFilename); 580 } 581 582 Cleanup: 583 if (OutToFile) 584 { 585 fclose (File); 586 AcpiOsRedirectOutput (stdout); 587 } 588 589 AcpiPsDeleteParseTree (AcpiGbl_ParsedNamespaceRoot); 590 return Status; 591 } 592 593 594 /****************************************************************************** 595 * 596 * FUNCTION: AdCreateTableHeader 597 * 598 * PARAMETERS: Filename - Input file for the table 599 * Table - Pointer to the raw table 600 * 601 * RETURN: None 602 * 603 * DESCRIPTION: Create the ASL table header, including ACPI CA signon with 604 * current time and date. 605 * 606 *****************************************************************************/ 607 608 void 609 AdCreateTableHeader ( 610 char *Filename, 611 ACPI_TABLE_HEADER *Table) 612 { 613 time_t Timer; 614 615 616 time (&Timer); 617 618 AcpiOsPrintf ("/*\n * Intel ACPI Component Architecture\n"); 619 AcpiOsPrintf (" * AML Disassembler version %8.8X\n", ACPI_CA_VERSION); 620 AcpiOsPrintf (" *\n * Disassembly of %s, %s */\n", Filename, ctime (&Timer)); 621 622 AcpiOsPrintf ( 623 "DefinitionBlock (\"%4.4s.aml\", \"%4.4s\", %hd, \"%.6s\", \"%.8s\", 0x%8.8X)\n", 624 Table->Signature, Table->Signature, Table->Revision, 625 Table->OemId, Table->OemTableId, Table->OemRevision); 626 } 627 628 629 /****************************************************************************** 630 * 631 * FUNCTION: AdDisplayTables 632 * 633 * PARAMETERS: Filename - Input file for the table 634 * Table - Pointer to the raw table 635 * 636 * RETURN: Status 637 * 638 * DESCRIPTION: Display (disassemble) loaded tables and dump raw tables 639 * 640 *****************************************************************************/ 641 642 ACPI_STATUS 643 AdDisplayTables ( 644 char *Filename, 645 ACPI_TABLE_HEADER *Table) 646 { 647 648 649 if (!AcpiGbl_ParsedNamespaceRoot) 650 { 651 return AE_NOT_EXIST; 652 } 653 654 if (!AcpiGbl_DbOpt_verbose) 655 { 656 AdCreateTableHeader (Filename, Table); 657 } 658 659 AcpiDmDisassemble (NULL, AcpiGbl_ParsedNamespaceRoot, ACPI_UINT32_MAX); 660 661 if (AcpiGbl_DbOpt_verbose) 662 { 663 AcpiOsPrintf ("\n\nTable Header:\n"); 664 AcpiUtDumpBuffer ((UINT8 *) Table, sizeof (ACPI_TABLE_HEADER), 665 DB_BYTE_DISPLAY, ACPI_UINT32_MAX); 666 667 AcpiOsPrintf ("Table Body (Length 0x%X)\n", Table->Length); 668 AcpiUtDumpBuffer (((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)), Table->Length, 669 DB_BYTE_DISPLAY, ACPI_UINT32_MAX); 670 } 671 672 return AE_OK; 673 } 674 675 676 /****************************************************************************** 677 * 678 * FUNCTION: AdDeferredParse 679 * 680 * PARAMETERS: Op - Root Op of the deferred opcode 681 * Aml - Pointer to the raw AML 682 * AmlLength - Length of the AML 683 * 684 * RETURN: Status 685 * 686 * DESCRIPTION: Parse one deferred opcode 687 * (Methods, operation regions, etc.) 688 * 689 *****************************************************************************/ 690 691 ACPI_STATUS 692 AdDeferredParse ( 693 ACPI_PARSE_OBJECT *Op, 694 UINT8 *Aml, 695 UINT32 AmlLength) 696 { 697 ACPI_WALK_STATE *WalkState; 698 ACPI_STATUS Status; 699 ACPI_PARSE_OBJECT *SearchOp; 700 ACPI_PARSE_OBJECT *StartOp; 701 UINT32 BaseAmlOffset; 702 ACPI_PARSE_OBJECT *ExtraOp; 703 704 705 ACPI_FUNCTION_TRACE ("AdDeferredParse"); 706 707 708 fprintf (stderr, "."); 709 710 if (!Aml || !AmlLength) 711 { 712 return_ACPI_STATUS (AE_OK); 713 } 714 715 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Parsing %s [%4.4s]\n", 716 Op->Common.AmlOpName, (char *) &Op->Named.Name)); 717 718 WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL); 719 if (!WalkState) 720 { 721 return_ACPI_STATUS (AE_NO_MEMORY); 722 } 723 724 Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, Aml, 725 AmlLength, NULL, 1); 726 if (ACPI_FAILURE (Status)) 727 { 728 return_ACPI_STATUS (Status); 729 } 730 731 /* Parse the method */ 732 733 WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; 734 WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; 735 Status = AcpiPsParseAml (WalkState); 736 737 /* 738 * We need to update all of the Aml offsets, since the parser thought 739 * that the method began at offset zero. In reality, it began somewhere 740 * within the ACPI table, at the BaseAmlOffset. Walk the entire tree that 741 * was just created and update the AmlOffset in each Op 742 */ 743 BaseAmlOffset = (Op->Common.Value.Arg)->Common.AmlOffset + 1; 744 StartOp = (Op->Common.Value.Arg)->Common.Next; 745 SearchOp = StartOp; 746 747 /* Walk the parse tree */ 748 749 while (SearchOp) 750 { 751 SearchOp->Common.AmlOffset += BaseAmlOffset; 752 SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp); 753 } 754 755 /* 756 * Link the newly parsed subtree into the main parse tree 757 */ 758 switch (Op->Common.AmlOpcode) 759 { 760 case AML_BUFFER_OP: 761 case AML_PACKAGE_OP: 762 case AML_VAR_PACKAGE_OP: 763 764 switch (Op->Common.AmlOpcode) 765 { 766 case AML_PACKAGE_OP: 767 ExtraOp = Op->Common.Value.Arg; 768 ExtraOp = ExtraOp->Common.Next; 769 Op->Common.Value.Arg = ExtraOp->Common.Value.Arg; 770 break; 771 772 case AML_VAR_PACKAGE_OP: 773 case AML_BUFFER_OP: 774 default: 775 ExtraOp = Op->Common.Value.Arg; 776 Op->Common.Value.Arg = ExtraOp->Common.Value.Arg; 777 break; 778 } 779 780 /* Must point all parents to the main tree */ 781 782 StartOp = Op; 783 SearchOp = StartOp; 784 while (SearchOp) 785 { 786 if (SearchOp->Common.Parent == ExtraOp) 787 { 788 SearchOp->Common.Parent = Op; 789 } 790 SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp); 791 } 792 break; 793 794 default: 795 break; 796 } 797 798 return_ACPI_STATUS (AE_OK); 799 } 800 801 802 /****************************************************************************** 803 * 804 * FUNCTION: AdParseDeferredOps 805 * 806 * PARAMETERS: Root - Root of the parse tree 807 * 808 * RETURN: Status 809 * 810 * DESCRIPTION: Parse the deferred opcodes (Methods, regions, etc.) 811 * 812 *****************************************************************************/ 813 814 ACPI_STATUS 815 AdParseDeferredOps ( 816 ACPI_PARSE_OBJECT *Root) 817 { 818 ACPI_PARSE_OBJECT *Op = Root; 819 ACPI_STATUS Status = AE_OK; 820 const ACPI_OPCODE_INFO *OpInfo; 821 822 823 ACPI_FUNCTION_NAME ("AdParseDeferredOps"); 824 fprintf (stderr, "Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)\n"); 825 826 while (Op) 827 { 828 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 829 if (!(OpInfo->Flags & AML_DEFER)) 830 { 831 Op = AcpiPsGetDepthNext (Root, Op); 832 continue; 833 } 834 835 switch (Op->Common.AmlOpcode) 836 { 837 case AML_METHOD_OP: 838 case AML_BUFFER_OP: 839 case AML_PACKAGE_OP: 840 case AML_VAR_PACKAGE_OP: 841 842 Status = AdDeferredParse (Op, Op->Named.Data, Op->Named.Length); 843 if (ACPI_FAILURE (Status)) 844 { 845 return_ACPI_STATUS (Status); 846 } 847 break; 848 849 case AML_REGION_OP: 850 case AML_CREATE_QWORD_FIELD_OP: 851 case AML_CREATE_DWORD_FIELD_OP: 852 case AML_CREATE_WORD_FIELD_OP: 853 case AML_CREATE_BYTE_FIELD_OP: 854 case AML_CREATE_BIT_FIELD_OP: 855 case AML_CREATE_FIELD_OP: 856 857 /* Nothing to do in these cases */ 858 859 break; 860 861 default: 862 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unhandled deferred opcode [%s]\n", 863 Op->Common.AmlOpName)); 864 break; 865 } 866 867 Op = AcpiPsGetDepthNext (Root, Op); 868 } 869 870 fprintf (stderr, "\n"); 871 return Status; 872 } 873 874 875 /****************************************************************************** 876 * 877 * FUNCTION: AdGetLocalTables 878 * 879 * PARAMETERS: Filename - Not used 880 * GetAllTables - TRUE if all tables are desired 881 * 882 * RETURN: Status 883 * 884 * DESCRIPTION: Get the ACPI tables from either memory or a file 885 * 886 *****************************************************************************/ 887 888 ACPI_STATUS 889 AdGetLocalTables ( 890 char *Filename, 891 BOOLEAN GetAllTables) 892 { 893 ACPI_STATUS Status; 894 ACPI_TABLE_HEADER TableHeader; 895 ACPI_TABLE_HEADER *NewTable; 896 UINT32 NumTables; 897 UINT32 PointerSize; 898 char *FacsSuffix = ""; 899 900 901 if (GetAllTables) 902 { 903 ACPI_STRNCPY (TableHeader.Signature, RSDT_SIG, 4); 904 AcpiOsTableOverride (&TableHeader, &NewTable); 905 if (!NewTable) 906 { 907 fprintf (stderr, "Could not obtain RSDT\n"); 908 return AE_NO_ACPI_TABLES; 909 } 910 911 #if ACPI_MACHINE_WIDTH != 64 912 913 if (!ACPI_STRNCMP (NewTable->Signature, RSDT_SIG, 4)) 914 { 915 PointerSize = sizeof (UINT32); 916 } 917 else 918 #endif 919 { 920 PointerSize = sizeof (UINT64); 921 } 922 923 /* 924 * Determine the number of tables pointed to by the RSDT/XSDT. 925 * This is defined by the ACPI Specification to be the number of 926 * pointers contained within the RSDT/XSDT. The size of the pointers 927 * is architecture-dependent. 928 */ 929 NumTables = (NewTable->Length - sizeof (ACPI_TABLE_HEADER)) / PointerSize; 930 AcpiOsPrintf ("There are %d tables defined in the %4.4s\n\n", 931 NumTables, NewTable->Signature); 932 933 /* Get the FADT */ 934 935 ACPI_STRNCPY (TableHeader.Signature, FADT_SIG, 4); 936 AcpiOsTableOverride (&TableHeader, &NewTable); 937 if (NewTable) 938 { 939 AcpiGbl_FADT = (void *) NewTable; 940 AdWriteTable (NewTable, NewTable->Length, 941 FADT_SIG, NewTable->OemTableId); 942 943 /* Use the FADT tableID for the FACS, since FACS has no ID */ 944 945 FacsSuffix = AcpiGbl_FADT->OemTableId; 946 } 947 AcpiOsPrintf ("\n"); 948 949 /* Get the FACS */ 950 951 ACPI_STRNCPY (TableHeader.Signature, FACS_SIG, 4); 952 AcpiOsTableOverride (&TableHeader, &NewTable); 953 if (NewTable) 954 { 955 AcpiGbl_FACS = (void *) NewTable; 956 AdWriteTable (NewTable, AcpiGbl_FACS->Length, 957 FACS_SIG, FacsSuffix); 958 } 959 AcpiOsPrintf ("\n"); 960 } 961 962 /* Always get the DSDT */ 963 964 ACPI_STRNCPY (TableHeader.Signature, DSDT_SIG, 4); 965 AcpiOsTableOverride (&TableHeader, &NewTable); 966 if (NewTable) 967 { 968 Status = AE_OK; 969 AcpiGbl_DSDT = NewTable; 970 AdWriteTable (AcpiGbl_DSDT, AcpiGbl_DSDT->Length, 971 "DSDT", AcpiGbl_DSDT->OemTableId); 972 } 973 else 974 { 975 fprintf (stderr, "Could not obtain DSDT\n"); 976 return AE_NO_ACPI_TABLES; 977 } 978 979 AcpiOsPrintf ("\n"); 980 981 /* Get all SSDTs */ 982 983 ACPI_STRNCPY (TableHeader.Signature, SSDT_SIG, 4); 984 Status = AcpiOsTableOverride (&TableHeader, &NewTable); 985 if (NewTable) 986 { 987 while (NewTable) 988 { 989 Status = AcpiOsTableOverride (&TableHeader, &NewTable); 990 } 991 } 992 993 return AE_OK; 994 } 995 996 /****************************************************************************** 997 * 998 * FUNCTION: AdParseTable 999 * 1000 * PARAMETERS: Table - Pointer to the raw table 1001 * 1002 * RETURN: Status 1003 * 1004 * DESCRIPTION: Parse the DSDT. 1005 * 1006 *****************************************************************************/ 1007 1008 ACPI_STATUS 1009 AdParseTable ( 1010 ACPI_TABLE_HEADER *Table) 1011 { 1012 ACPI_STATUS Status = AE_OK; 1013 ACPI_WALK_STATE *WalkState; 1014 ACPI_TABLE_DESC TableDesc; 1015 UINT8 *AmlStart; 1016 UINT32 AmlLength; 1017 1018 1019 if (!Table) 1020 { 1021 return AE_NOT_EXIST; 1022 } 1023 1024 /* Pass 1: Parse everything except control method bodies */ 1025 1026 fprintf (stderr, "Pass 1 parse of [%4.4s]\n", (char *) Table->Signature); 1027 1028 AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER); 1029 AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)); 1030 1031 /* Create the root object */ 1032 1033 AcpiGbl_ParsedNamespaceRoot = AcpiPsCreateScopeOp (); 1034 if (!AcpiGbl_ParsedNamespaceRoot) 1035 { 1036 return AE_NO_MEMORY; 1037 } 1038 1039 /* Create and initialize a new walk state */ 1040 1041 WalkState = AcpiDsCreateWalkState (0, 1042 AcpiGbl_ParsedNamespaceRoot, NULL, NULL); 1043 if (!WalkState) 1044 { 1045 return (AE_NO_MEMORY); 1046 } 1047 1048 Status = AcpiDsInitAmlWalk (WalkState, AcpiGbl_ParsedNamespaceRoot, 1049 NULL, AmlStart, AmlLength, NULL, 1); 1050 if (ACPI_FAILURE (Status)) 1051 { 1052 return (Status); 1053 } 1054 1055 WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; 1056 WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; 1057 1058 Status = AcpiPsParseAml (WalkState); 1059 if (ACPI_FAILURE (Status)) 1060 { 1061 return Status; 1062 } 1063 1064 /* Pass 2 */ 1065 1066 TableDesc.AmlStart = AmlStart; 1067 TableDesc.AmlLength = AmlLength; 1068 fprintf (stderr, "Pass 2 parse of [%4.4s]\n", (char *) Table->Signature); 1069 WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; 1070 1071 Status = AcpiNsOneCompleteParse (2, &TableDesc); 1072 if (ACPI_FAILURE (Status)) 1073 { 1074 return (Status); 1075 } 1076 1077 /* Pass 3: Parse control methods and link their parse trees into the main parse tree */ 1078 1079 Status = AdParseDeferredOps (AcpiGbl_ParsedNamespaceRoot); 1080 1081 fprintf (stderr, "Parsing completed\n"); 1082 return AE_OK; 1083 } 1084 1085 1086