dmwalk.c revision 117521
1/******************************************************************************* 2 * 3 * Module Name: dmwalk - AML disassembly tree walk 4 * $Revision: 10 $ 5 * 6 ******************************************************************************/ 7 8/****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2003, 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 "acdisasm.h" 122#include "acdebug.h" 123 124 125#ifdef ACPI_DISASSEMBLER 126 127#define _COMPONENT ACPI_CA_DEBUGGER 128 ACPI_MODULE_NAME ("dmwalk") 129 130 131#define DB_FULL_OP_INFO "%5.5X #%4.4hX " 132 133 134/******************************************************************************* 135 * 136 * FUNCTION: AcpiDmDisassemble 137 * 138 * PARAMETERS: Origin - Starting object 139 * NumOpcodes - Max number of opcodes to be displayed 140 * 141 * RETURN: None 142 * 143 * DESCRIPTION: Disassemble parser object and its children. This is the 144 * main entry point of the disassembler. 145 * 146 ******************************************************************************/ 147 148void 149AcpiDmDisassemble ( 150 ACPI_WALK_STATE *WalkState, 151 ACPI_PARSE_OBJECT *Origin, 152 UINT32 NumOpcodes) 153{ 154 ACPI_PARSE_OBJECT *Op = Origin; 155 ACPI_OP_WALK_INFO Info; 156 157 158 if (!Op) 159 { 160 return; 161 } 162 163 Info.Level = 0; 164 AcpiDmWalkParseTree (Op, AcpiDmDescendingOp, AcpiDmAscendingOp, &Info); 165 166 return; 167} 168 169 170/******************************************************************************* 171 * 172 * FUNCTION: AcpiDmWalkParseTree 173 * 174 * PARAMETERS: DescendingCallback - Called during tree descent 175 * AscendingCallback - Called during tree ascent 176 * Context - To be passed to the callbacks 177 * 178 * RETURN: Status from callback(s) 179 * 180 * DESCRIPTION: Walk the entire parse tree. 181 * 182 ******************************************************************************/ 183 184void 185AcpiDmWalkParseTree ( 186 ACPI_PARSE_OBJECT *Op, 187 ASL_WALK_CALLBACK DescendingCallback, 188 ASL_WALK_CALLBACK AscendingCallback, 189 void *Context) 190{ 191 BOOLEAN NodePreviouslyVisited; 192 ACPI_PARSE_OBJECT *StartOp = Op; 193 ACPI_STATUS Status; 194 ACPI_PARSE_OBJECT *Next; 195 ACPI_OP_WALK_INFO *Info = Context; 196 197 198 Info->Level = 0; 199 NodePreviouslyVisited = FALSE; 200 201 while (Op) 202 { 203 if (NodePreviouslyVisited) 204 { 205 Status = AscendingCallback (Op, Info->Level, Context); 206 if (ACPI_FAILURE (Status)) 207 { 208 return; 209 } 210 } 211 else 212 { 213 /* Let the callback process the node */ 214 215 Status = DescendingCallback (Op, Info->Level, Context); 216 if (ACPI_SUCCESS (Status)) 217 { 218 /* Visit children first, once */ 219 220 Next = AcpiPsGetArg (Op, 0); 221 if (Next) 222 { 223 Info->Level++; 224 Op = Next; 225 continue; 226 } 227 } 228 else if (Status != AE_CTRL_DEPTH) 229 { 230 /* Exit immediately on any error */ 231 232 return; 233 } 234 } 235 236 /* Terminate walk at start op */ 237 238 if (Op == StartOp) 239 { 240 break; 241 } 242 243 /* No more children, re-visit this node */ 244 245 if (!NodePreviouslyVisited) 246 { 247 NodePreviouslyVisited = TRUE; 248 continue; 249 } 250 251 /* No more children, visit peers */ 252 253 if (Op->Common.Next) 254 { 255 Op = Op->Common.Next; 256 NodePreviouslyVisited = FALSE; 257 } 258 else 259 { 260 /* No peers, re-visit parent */ 261 262 if (Info->Level != 0 ) 263 { 264 Info->Level--; 265 } 266 267 Op = Op->Common.Parent; 268 NodePreviouslyVisited = TRUE; 269 } 270 } 271 272 /* If we get here, the walk completed with no errors */ 273 274 return; 275} 276 277 278/******************************************************************************* 279 * 280 * FUNCTION: AcpiDmBlockType 281 * 282 * PARAMETERS: Op - Object to be examined 283 * 284 * RETURN: Status 285 * 286 * DESCRIPTION: Type of block for this op (parens or braces) 287 * 288 ******************************************************************************/ 289 290UINT32 291AcpiDmBlockType ( 292 ACPI_PARSE_OBJECT *Op) 293{ 294 const ACPI_OPCODE_INFO *OpInfo; 295 296 297 if (!Op) 298 { 299 return (BLOCK_NONE); 300 } 301 302 switch (Op->Common.AmlOpcode) 303 { 304 case AML_ELSE_OP: 305 306 return (BLOCK_BRACE); 307 308 case AML_METHOD_OP: 309 case AML_DEVICE_OP: 310 case AML_SCOPE_OP: 311 case AML_PROCESSOR_OP: 312 case AML_POWER_RES_OP: 313 case AML_THERMAL_ZONE_OP: 314 case AML_IF_OP: 315 case AML_WHILE_OP: 316 case AML_FIELD_OP: 317 case AML_INDEX_FIELD_OP: 318 case AML_BANK_FIELD_OP: 319 320 return (BLOCK_PAREN | BLOCK_BRACE); 321 322 case AML_BUFFER_OP: 323 324 if (Op->Common.DisasmOpcode == ACPI_DASM_UNICODE) 325 { 326 return (BLOCK_NONE); 327 } 328 329 /*lint -fallthrough */ 330 331 case AML_PACKAGE_OP: 332 case AML_VAR_PACKAGE_OP: 333 334 return (BLOCK_PAREN | BLOCK_BRACE); 335 336 case AML_EVENT_OP: 337 338 return (BLOCK_PAREN); 339 340 default: 341 342 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 343 if (OpInfo->Flags & AML_HAS_ARGS) 344 { 345 return (BLOCK_PAREN); 346 } 347 348 return (BLOCK_NONE); 349 } 350} 351 352 353/******************************************************************************* 354 * 355 * FUNCTION: AcpiDmListType 356 * 357 * PARAMETERS: Op - Object to be examined 358 * 359 * RETURN: Status 360 * 361 * DESCRIPTION: Type of block for this op (parens or braces) 362 * 363 ******************************************************************************/ 364 365UINT32 366AcpiDmListType ( 367 ACPI_PARSE_OBJECT *Op) 368{ 369 const ACPI_OPCODE_INFO *OpInfo; 370 371 372 if (!Op) 373 { 374 return (BLOCK_NONE); 375 } 376 377 switch (Op->Common.AmlOpcode) 378 { 379 380 case AML_ELSE_OP: 381 case AML_METHOD_OP: 382 case AML_DEVICE_OP: 383 case AML_SCOPE_OP: 384 case AML_POWER_RES_OP: 385 case AML_PROCESSOR_OP: 386 case AML_THERMAL_ZONE_OP: 387 case AML_IF_OP: 388 case AML_WHILE_OP: 389 case AML_FIELD_OP: 390 case AML_INDEX_FIELD_OP: 391 case AML_BANK_FIELD_OP: 392 393 return (0); 394 395 case AML_BUFFER_OP: 396 case AML_PACKAGE_OP: 397 case AML_VAR_PACKAGE_OP: 398 399 return (BLOCK_COMMA_LIST); 400 401 default: 402 403 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 404 if (OpInfo->Flags & AML_HAS_ARGS) 405 { 406 return (BLOCK_COMMA_LIST); 407 } 408 409 return (BLOCK_NONE); 410 } 411} 412 413 414/******************************************************************************* 415 * 416 * FUNCTION: AcpiDmDescendingOp 417 * 418 * PARAMETERS: ASL_WALK_CALLBACK 419 * 420 * RETURN: Status 421 * 422 * DESCRIPTION: First visitation of a parse object during tree descent. 423 * Decode opcode name and begin parameter list(s), if any. 424 * 425 ******************************************************************************/ 426 427ACPI_STATUS 428AcpiDmDescendingOp ( 429 ACPI_PARSE_OBJECT *Op, 430 UINT32 Level, 431 void *Context) 432{ 433 ACPI_OP_WALK_INFO *Info = Context; 434 const ACPI_OPCODE_INFO *OpInfo; 435 UINT32 Name; 436 ACPI_PARSE_OBJECT *NextOp; 437 438 439 if (Op->Common.DisasmFlags & ACPI_PARSEOP_IGNORE) 440 { 441 /* Ignore this op -- it was handled elsewhere */ 442 443 return (AE_CTRL_DEPTH); 444 } 445 446 447 if (Level == 0) 448 { 449 /* In verbose mode, print the AML offset, opcode and depth count */ 450 451 VERBOSE_PRINT ((DB_FULL_OP_INFO, (UINT32) Op->Common.AmlOffset, 452 Op->Common.AmlOpcode)); 453 454 if (Op->Common.AmlOpcode == AML_SCOPE_OP) 455 { 456 AcpiOsPrintf ("{\n"); 457 return (AE_OK); 458 } 459 } 460 else if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) && 461 (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) && 462 (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP)) 463 { 464 /* This is a first-level element of a term list, indent a new line */ 465 466 AcpiDmIndent (Level); 467 } 468 469 /* Print the opcode name */ 470 471 AcpiDmDisassembleOneOp (NULL, Info, Op); 472 473 if ((Op->Common.AmlOpcode == AML_NAME_OP) || 474 (Op->Common.AmlOpcode == AML_RETURN_OP)) 475 { 476 Info->Level--; 477 } 478 479 /* Start the opcode argument list if necessary */ 480 481 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 482 483 if ((OpInfo->Flags & AML_HAS_ARGS) || 484 (Op->Common.AmlOpcode == AML_EVENT_OP)) 485 { 486 /* This opcode has an argument list */ 487 488 if (AcpiDmBlockType (Op) & BLOCK_PAREN) 489 { 490 AcpiOsPrintf (" ("); 491 } 492 493 /* If this is a named opcode, print the associated name value */ 494 495 if (OpInfo->Flags & AML_NAMED) 496 { 497 switch (Op->Common.AmlOpcode) 498 { 499 case AML_ALIAS_OP: 500 501 NextOp = AcpiPsGetDepthNext (NULL, Op); 502 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 503 AcpiDmNamestring (NextOp->Common.Value.Name); 504 AcpiOsPrintf (", "); 505 506 /*lint -fallthrough */ 507 508 default: 509 510 Name = AcpiPsGetName (Op); 511 if (Op->Named.Path) 512 { 513 AcpiDmNamestring ((char *) Op->Named.Path); 514 } 515 else 516 { 517 AcpiDmDumpName ((char *) &Name); 518 } 519 520 521 if (Op->Common.AmlOpcode != AML_INT_NAMEDFIELD_OP) 522 { 523 AcpiDmValidateName ((char *) &Name, Op); 524 if (AcpiGbl_DbOpt_verbose) 525 { 526 (void) AcpiPsDisplayObjectPathname (NULL, Op); 527 } 528 } 529 break; 530 } 531 532 switch (Op->Common.AmlOpcode) 533 { 534 case AML_METHOD_OP: 535 536 AcpiDmMethodFlags (Op); 537 AcpiOsPrintf (")"); 538 break; 539 540 541 case AML_NAME_OP: 542 543 /* Check for _HID and related EISAID() */ 544 545 AcpiIsEisaId (Op); 546 AcpiOsPrintf (", "); 547 break; 548 549 550 case AML_REGION_OP: 551 552 AcpiDmRegionFlags (Op); 553 break; 554 555 556 case AML_POWER_RES_OP: 557 558 /* Mark the next two Ops as part of the parameter list */ 559 560 AcpiOsPrintf (", "); 561 NextOp = AcpiPsGetDepthNext (NULL, Op); 562 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST; 563 564 NextOp = NextOp->Common.Next; 565 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST; 566 return (AE_OK); 567 568 569 case AML_PROCESSOR_OP: 570 571 /* Mark the next three Ops as part of the parameter list */ 572 573 AcpiOsPrintf (", "); 574 NextOp = AcpiPsGetDepthNext (NULL, Op); 575 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST; 576 577 NextOp = NextOp->Common.Next; 578 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST; 579 580 NextOp = NextOp->Common.Next; 581 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST; 582 return (AE_OK); 583 584 585 case AML_MUTEX_OP: 586 587 AcpiOsPrintf (", "); 588 return (AE_OK); 589 590 591 case AML_EVENT_OP: 592 case AML_ALIAS_OP: 593 594 return (AE_OK); 595 596 597 case AML_SCOPE_OP: 598 case AML_DEVICE_OP: 599 case AML_THERMAL_ZONE_OP: 600 601 AcpiOsPrintf (")"); 602 break; 603 604 605 default: 606 607 AcpiOsPrintf ("*** Unhandled named opcode\n"); 608 break; 609 } 610 } 611 612 else switch (Op->Common.AmlOpcode) 613 { 614 case AML_FIELD_OP: 615 case AML_BANK_FIELD_OP: 616 case AML_INDEX_FIELD_OP: 617 618 Info->BitOffset = 0; 619 620 /* Name of the parent OperationRegion */ 621 622 NextOp = AcpiPsGetDepthNext (NULL, Op); 623 AcpiDmNamestring (NextOp->Common.Value.Name); 624 AcpiOsPrintf (", "); 625 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 626 627 switch (Op->Common.AmlOpcode) 628 { 629 case AML_BANK_FIELD_OP: 630 631 /* Namestring */ 632 633 NextOp = AcpiPsGetDepthNext (NULL, NextOp); 634 AcpiDmNamestring (NextOp->Common.Value.Name); 635 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 636 AcpiOsPrintf (", "); 637 638 639 NextOp = NextOp->Common.Next; 640 AcpiDmDisassembleOneOp (NULL, Info, NextOp); 641 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 642 AcpiOsPrintf (", "); 643 break; 644 645 case AML_INDEX_FIELD_OP: 646 647 /* Namestring */ 648 649 NextOp = AcpiPsGetDepthNext (NULL, NextOp); 650 AcpiDmNamestring (NextOp->Common.Value.Name); 651 AcpiOsPrintf (", "); 652 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 653 break; 654 655 default: 656 657 break; 658 } 659 660 AcpiDmFieldFlags (NextOp); 661 break; 662 663 664 case AML_BUFFER_OP: 665 666 /* The next op is the size parameter */ 667 668 NextOp = AcpiPsGetDepthNext (NULL, Op); 669 if (!NextOp) 670 { 671 /* Single-step support */ 672 673 return (AE_OK); 674 } 675 676 if (Op->Common.DisasmOpcode == ACPI_DASM_RESOURCE) 677 { 678 /* 679 * We have a resource list. Don't need to output 680 * the buffer size Op. Open up a new block 681 */ 682 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 683 NextOp = NextOp->Common.Next; 684 AcpiOsPrintf (")\n"); 685 AcpiDmIndent (Info->Level); 686 AcpiOsPrintf ("{\n"); 687 return (AE_OK); 688 } 689 690 /* Normal Buffer, mark size as in the parameter list */ 691 692 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST; 693 return (AE_OK); 694 695 696 case AML_VAR_PACKAGE_OP: 697 case AML_IF_OP: 698 case AML_WHILE_OP: 699 700 /* The next op is the size or predicate parameter */ 701 702 NextOp = AcpiPsGetDepthNext (NULL, Op); 703 if (NextOp) 704 { 705 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST; 706 } 707 return (AE_OK); 708 709 710 case AML_PACKAGE_OP: 711 712 /* The next op is the size or predicate parameter */ 713 714 NextOp = AcpiPsGetDepthNext (NULL, Op); 715 if (NextOp) 716 { 717 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST; 718 } 719 return (AE_OK); 720 721 722 case AML_MATCH_OP: 723 724 AcpiDmMatchOp (Op); 725 break; 726 727 728 default: 729 730 break; 731 } 732 733 if (AcpiDmBlockType (Op) & BLOCK_BRACE) 734 { 735 AcpiOsPrintf ("\n"); 736 AcpiDmIndent (Level); 737 AcpiOsPrintf ("{\n"); 738 } 739 } 740 741 return (AE_OK); 742} 743 744 745/******************************************************************************* 746 * 747 * FUNCTION: AcpiDmAscendingOp 748 * 749 * PARAMETERS: ASL_WALK_CALLBACK 750 * 751 * RETURN: Status 752 * 753 * DESCRIPTION: Second visitation of a parse object, during ascent of parse 754 * tree. Close out any parameter lists and complete the opcode. 755 * 756 ******************************************************************************/ 757 758ACPI_STATUS 759AcpiDmAscendingOp ( 760 ACPI_PARSE_OBJECT *Op, 761 UINT32 Level, 762 void *Context) 763{ 764 ACPI_OP_WALK_INFO *Info = Context; 765 766 767 if (Op->Common.DisasmFlags & ACPI_PARSEOP_IGNORE) 768 { 769 /* Ignore this op -- it was handled elsewhere */ 770 771 return (AE_OK); 772 } 773 774 if ((Level == 0) && (Op->Common.AmlOpcode == AML_SCOPE_OP)) 775 { 776 /* Indicates the end of the current descriptor block (table) */ 777 778 AcpiOsPrintf ("}\n\n"); 779 return (AE_OK); 780 } 781 782 switch (AcpiDmBlockType (Op)) 783 { 784 case BLOCK_PAREN: 785 786 /* Completed an op that has arguments, add closing paren */ 787 788 AcpiOsPrintf (")"); 789 790 /* Could be a nested operator, check if comma required */ 791 792 if (!AcpiDmCommaIfListMember (Op)) 793 { 794 if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) && 795 (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) && 796 (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP)) 797 { 798 /* This is a first-level element of a term list, start a new line */ 799 800 AcpiOsPrintf ("\n"); 801 } 802 } 803 break; 804 805 806 case BLOCK_BRACE: 807 case (BLOCK_BRACE | BLOCK_PAREN): 808 809 /* Completed an op that has a term list, add closing brace */ 810 811 if (Op->Common.DisasmFlags & ACPI_PARSEOP_EMPTY_TERMLIST) 812 { 813 AcpiOsPrintf ("}"); 814 } 815 else 816 { 817 AcpiDmIndent (Level); 818 AcpiOsPrintf ("}"); 819 } 820 821 AcpiDmCommaIfListMember (Op); 822 823 if (AcpiDmBlockType (Op->Common.Parent) != BLOCK_PAREN) 824 { 825 AcpiOsPrintf ("\n"); 826 if (!(Op->Common.DisasmFlags & ACPI_PARSEOP_EMPTY_TERMLIST)) 827 { 828 if ((Op->Common.AmlOpcode == AML_IF_OP) && 829 (Op->Common.Next) && 830 (Op->Common.Next->Common.AmlOpcode == AML_ELSE_OP)) 831 { 832 break; 833 } 834 835 if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) && 836 (!Op->Common.Next)) 837 { 838 break; 839 } 840 AcpiOsPrintf ("\n"); 841 } 842 } 843 break; 844 845 846 case BLOCK_NONE: 847 default: 848 849 /* Could be a nested operator, check if comma required */ 850 851 if (!AcpiDmCommaIfListMember (Op)) 852 { 853 if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) && 854 (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) && 855 (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP)) 856 { 857 /* This is a first-level element of a term list, start a new line */ 858 859 AcpiOsPrintf ("\n"); 860 } 861 } 862 else if (Op->Common.Parent) 863 { 864 switch (Op->Common.Parent->Common.AmlOpcode) 865 { 866 case AML_PACKAGE_OP: 867 case AML_VAR_PACKAGE_OP: 868 869 if (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) 870 { 871 AcpiOsPrintf ("\n"); 872 } 873 break; 874 875 default: 876 877 break; 878 } 879 } 880 break; 881 } 882 883 if (Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST) 884 { 885 if ((Op->Common.Next) && 886 (Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) 887 { 888 return (AE_OK); 889 } 890 891 /* 892 * Just completed a parameter node for something like "Buffer (param)". 893 * Close the paren and open up the term list block with a brace 894 */ 895 if (Op->Common.Next) 896 { 897 AcpiOsPrintf (")\n"); 898 AcpiDmIndent (Level - 1); 899 AcpiOsPrintf ("{\n"); 900 } 901 else 902 { 903 Op->Common.Parent->Common.DisasmFlags |= ACPI_PARSEOP_EMPTY_TERMLIST; 904 AcpiOsPrintf (") {"); 905 } 906 } 907 908 if ((Op->Common.AmlOpcode == AML_NAME_OP) || 909 (Op->Common.AmlOpcode == AML_RETURN_OP)) 910 { 911 Info->Level++; 912 } 913 return (AE_OK); 914} 915 916 917#endif /* ACPI_DISASSEMBLER */ 918