1 /*******************************************************************************
2 *
3 * Module Name: dmwalk - AML disassembly tree walk
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2011, 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.
424 if (Op->Common.AmlOpcode == AML_SCOPE_OP)
425 {
426 /* This is the beginning of the Definition Block */
427
428 AcpiOsPrintf ("{\n");
429
430 /* Emit all External() declarations here */
431
432 AcpiDmEmitExternals ();
433 return (AE_OK);
434 }
435 }
436 else if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
437 (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) &&
438 (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP))
439 {
440 /*
441 * This is a first-level element of a term list,
442 * indent a new line
443 */
444 AcpiDmIndent (Level);
445 Info->LastLevel = Level;
446 Info->Count = 0;
447 }
448
449 /*
450 * This is an inexpensive mechanism to try and keep lines from getting
451 * too long. When the limit is hit, start a new line at the previous
452 * indent plus one. A better but more expensive mechanism would be to
453 * keep track of the current column.
454 */
455 Info->Count++;
456 if (Info->Count /*+Info->LastLevel*/ > 10)
457 {
458 Info->Count = 0;
459 AcpiOsPrintf ("\n");
460 AcpiDmIndent (Info->LastLevel + 1);
461 }
462
463 /* Print the opcode name */
464
465 AcpiDmDisassembleOneOp (NULL, Info, Op);
466
467 if (Op->Common.DisasmOpcode == ACPI_DASM_LNOT_PREFIX)
468 {
469 return (AE_OK);
470 }
471
472 if ((Op->Common.AmlOpcode == AML_NAME_OP) ||
473 (Op->Common.AmlOpcode == AML_RETURN_OP))
474 {
475 Info->Level--;
476 }
477
478 /* Start the opcode argument list if necessary */
479
480 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
481
482 if ((OpInfo->Flags & AML_HAS_ARGS) ||
483 (Op->Common.AmlOpcode == AML_EVENT_OP))
484 {
485 /* This opcode has an argument list */
486
487 if (AcpiDmBlockType (Op) & BLOCK_PAREN)
515 {
516 AcpiDmDumpName (Name);
517 }
518
519 if (Op->Common.AmlOpcode != AML_INT_NAMEDFIELD_OP)
520 {
521 if (AcpiGbl_DbOpt_verbose)
522 {
523 (void) AcpiPsDisplayObjectPathname (NULL, Op);
524 }
525 }
526 break;
527 }
528
529 switch (Op->Common.AmlOpcode)
530 {
531 case AML_METHOD_OP:
532
533 AcpiDmMethodFlags (Op);
534 AcpiOsPrintf (")");
535 break;
536
537
538 case AML_NAME_OP:
539
540 /* Check for _HID and related EISAID() */
541
542 AcpiDmIsEisaId (Op);
543 AcpiOsPrintf (", ");
544 break;
545
546
547 case AML_REGION_OP:
548
549 AcpiDmRegionFlags (Op);
550 break;
551
552
553 case AML_POWER_RES_OP:
554
585 AcpiOsPrintf (", ");
586 return (AE_OK);
587
588
589 case AML_EVENT_OP:
590 case AML_ALIAS_OP:
591
592 return (AE_OK);
593
594
595 case AML_SCOPE_OP:
596 case AML_DEVICE_OP:
597 case AML_THERMAL_ZONE_OP:
598
599 AcpiOsPrintf (")");
600 break;
601
602
603 default:
604
605 AcpiOsPrintf ("*** Unhandled named opcode %X\n", Op->Common.AmlOpcode);
606 break;
607 }
608 }
609
610 else switch (Op->Common.AmlOpcode)
611 {
612 case AML_FIELD_OP:
613 case AML_BANK_FIELD_OP:
614 case AML_INDEX_FIELD_OP:
615
616 Info->BitOffset = 0;
617
618 /* Name of the parent OperationRegion */
619
620 NextOp = AcpiPsGetDepthNext (NULL, Op);
621 AcpiDmNamestring (NextOp->Common.Value.Name);
622 AcpiOsPrintf (", ");
623 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
624
625 switch (Op->Common.AmlOpcode)
626 {
627 case AML_BANK_FIELD_OP:
628
629 /* Namestring - Bank Name */
630
631 NextOp = AcpiPsGetDepthNext (NULL, NextOp);
632 AcpiDmNamestring (NextOp->Common.Value.Name);
633 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
634 AcpiOsPrintf (", ");
635
636 /*
637 * Bank Value. This is a TermArg in the middle of the parameter
638 * list, must handle it here.
639 *
640 * Disassemble the TermArg parse tree. ACPI_PARSEOP_PARAMLIST
641 * eliminates newline in the output.
642 */
643 NextOp = NextOp->Common.Next;
644
645 Info->Flags = ACPI_PARSEOP_PARAMLIST;
646 AcpiDmWalkParseTree (NextOp, AcpiDmDescendingOp, AcpiDmAscendingOp, Info);
647 Info->Flags = 0;
648 Info->Level = Level;
649
650 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
651 AcpiOsPrintf (", ");
652 break;
653
654 case AML_INDEX_FIELD_OP:
655
656 /* Namestring - Data Name */
657
658 NextOp = AcpiPsGetDepthNext (NULL, NextOp);
659 AcpiDmNamestring (NextOp->Common.Value.Name);
660 AcpiOsPrintf (", ");
661 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
662 break;
663
664 default:
665
666 break;
667 }
668
669 AcpiDmFieldFlags (NextOp);
670 break;
671
672
673 case AML_BUFFER_OP:
674
675 /* The next op is the size parameter */
676
677 NextOp = AcpiPsGetDepthNext (NULL, Op);
678 if (!NextOp)
679 {
680 /* Single-step support */
681
682 return (AE_OK);
683 }
684
685 if (Op->Common.DisasmOpcode == ACPI_DASM_RESOURCE)
686 {
687 /*
688 * We have a resource list. Don't need to output
689 * the buffer size Op. Open up a new block
690 */
691 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
692 NextOp = NextOp->Common.Next;
693 AcpiOsPrintf (")\n");
694 AcpiDmIndent (Info->Level);
695 AcpiOsPrintf ("{\n");
696 return (AE_OK);
697 }
698
699 /* Normal Buffer, mark size as in the parameter list */
700
701 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
702 return (AE_OK);
703
704
705 case AML_VAR_PACKAGE_OP:
706 case AML_IF_OP:
707 case AML_WHILE_OP:
708
709 /* The next op is the size or predicate parameter */
710
711 NextOp = AcpiPsGetDepthNext (NULL, Op);
712 if (NextOp)
713 {
714 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
715 }
716 return (AE_OK);
717
718
719 case AML_PACKAGE_OP:
720
721 /* The next op is the size or predicate parameter */
722
723 NextOp = AcpiPsGetDepthNext (NULL, Op);
724 if (NextOp)
725 {
726 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
727 }
728 return (AE_OK);
729
730
731 case AML_MATCH_OP:
732
733 AcpiDmMatchOp (Op);
734 break;
735
736
737 default:
738
739 break;
740 }
741
742 if (AcpiDmBlockType (Op) & BLOCK_BRACE)
743 {
744 AcpiOsPrintf ("\n");
745 AcpiDmIndent (Level);
746 AcpiOsPrintf ("{\n");
747 }
748 }
749
750 return (AE_OK);
751 }
752
753
754 /*******************************************************************************
755 *
756 * FUNCTION: AcpiDmAscendingOp
757 *
758 * PARAMETERS: ASL_WALK_CALLBACK
759 *
760 * RETURN: Status
761 *
762 * DESCRIPTION: Second visitation of a parse object, during ascent of parse
763 * tree. Close out any parameter lists and complete the opcode.
764 *
765 ******************************************************************************/
766
767 static ACPI_STATUS
768 AcpiDmAscendingOp (
769 ACPI_PARSE_OBJECT *Op,
770 UINT32 Level,
771 void *Context)
772 {
773 ACPI_OP_WALK_INFO *Info = Context;
774
775
776 if (Op->Common.DisasmFlags & ACPI_PARSEOP_IGNORE)
777 {
778 /* Ignore this op -- it was handled elsewhere */
779
780 return (AE_OK);
781 }
782
783 if ((Level == 0) && (Op->Common.AmlOpcode == AML_SCOPE_OP))
784 {
785 /* Indicates the end of the current descriptor block (table) */
786
787 AcpiOsPrintf ("}\n\n");
788 return (AE_OK);
789 }
790
791 switch (AcpiDmBlockType (Op))
792 {
793 case BLOCK_PAREN:
794
795 /* Completed an op that has arguments, add closing paren */
796
797 AcpiOsPrintf (")");
798
799 /* Could be a nested operator, check if comma required */
800
801 if (!AcpiDmCommaIfListMember (Op))
802 {
803 if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
804 (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) &&
805 (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP))
806 {
807 /*
808 * This is a first-level element of a term list
809 * start a new line
810 */
811 if (!(Info->Flags & ACPI_PARSEOP_PARAMLIST))
812 {
813 AcpiOsPrintf ("\n");
814 }
815 }
816 }
817 break;
818
819
820 case BLOCK_BRACE:
821 case (BLOCK_BRACE | BLOCK_PAREN):
822
823 /* Completed an op that has a term list, add closing brace */
824
825 if (Op->Common.DisasmFlags & ACPI_PARSEOP_EMPTY_TERMLIST)
826 {
827 AcpiOsPrintf ("}");
828 }
829 else
830 {
831 AcpiDmIndent (Level);
832 AcpiOsPrintf ("}");
833 }
834
835 AcpiDmCommaIfListMember (Op);
836
837 if (AcpiDmBlockType (Op->Common.Parent) != BLOCK_PAREN)
838 {
839 AcpiOsPrintf ("\n");
840 if (!(Op->Common.DisasmFlags & ACPI_PARSEOP_EMPTY_TERMLIST))
841 {
842 if ((Op->Common.AmlOpcode == AML_IF_OP) &&
843 (Op->Common.Next) &&
844 (Op->Common.Next->Common.AmlOpcode == AML_ELSE_OP))
845 {
846 break;
847 }
848
849 if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
850 (!Op->Common.Next))
851 {
852 break;
853 }
854 AcpiOsPrintf ("\n");
855 }
856 }
857 break;
858
859
860 case BLOCK_NONE:
861 default:
862
863 /* Could be a nested operator, check if comma required */
864
865 if (!AcpiDmCommaIfListMember (Op))
866 {
867 if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
868 (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) &&
869 (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP))
870 {
871 /*
872 * This is a first-level element of a term list
873 * start a new line
874 */
875 AcpiOsPrintf ("\n");
876 }
877 }
878 else if (Op->Common.Parent)
879 {
893 break;
894 }
895 }
896 break;
897 }
898
899 if (Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)
900 {
901 if ((Op->Common.Next) &&
902 (Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST))
903 {
904 return (AE_OK);
905 }
906
907 /*
908 * Just completed a parameter node for something like "Buffer (param)".
909 * Close the paren and open up the term list block with a brace
910 */
911 if (Op->Common.Next)
912 {
913 AcpiOsPrintf (")\n");
914 AcpiDmIndent (Level - 1);
915 AcpiOsPrintf ("{\n");
916 }
917 else
918 {
919 Op->Common.Parent->Common.DisasmFlags |=
920 ACPI_PARSEOP_EMPTY_TERMLIST;
921 AcpiOsPrintf (") {");
922 }
923 }
924
925 if ((Op->Common.AmlOpcode == AML_NAME_OP) ||
926 (Op->Common.AmlOpcode == AML_RETURN_OP))
927 {
928 Info->Level++;
929 }
930 return (AE_OK);
931 }
932
933
|
1 /*******************************************************************************
2 *
3 * Module Name: dmwalk - AML disassembly tree walk
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2014, 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.
424 if (Op->Common.AmlOpcode == AML_SCOPE_OP)
425 {
426 /* This is the beginning of the Definition Block */
427
428 AcpiOsPrintf ("{\n");
429
430 /* Emit all External() declarations here */
431
432 AcpiDmEmitExternals ();
433 return (AE_OK);
434 }
435 }
436 else if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
437 (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) &&
438 (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP))
439 {
440 /*
441 * This is a first-level element of a term list,
442 * indent a new line
443 */
444 switch (Op->Common.AmlOpcode)
445 {
446 case AML_NOOP_OP:
447 /*
448 * Optionally just ignore this opcode. Some tables use
449 * NoOp opcodes for "padding" out packages that the BIOS
450 * changes dynamically. This can leave hundreds or
451 * thousands of NoOp opcodes that if disassembled,
452 * cannot be compiled because they are syntactically
453 * incorrect.
454 */
455 if (AcpiGbl_IgnoreNoopOperator)
456 {
457 Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
458 return (AE_OK);
459 }
460
461 /* Fallthrough */
462
463 default:
464
465 AcpiDmIndent (Level);
466 break;
467 }
468
469 Info->LastLevel = Level;
470 Info->Count = 0;
471 }
472
473 /*
474 * This is an inexpensive mechanism to try and keep lines from getting
475 * too long. When the limit is hit, start a new line at the previous
476 * indent plus one. A better but more expensive mechanism would be to
477 * keep track of the current column.
478 */
479 Info->Count++;
480 if (Info->Count /* +Info->LastLevel */ > 10)
481 {
482 Info->Count = 0;
483 AcpiOsPrintf ("\n");
484 AcpiDmIndent (Info->LastLevel + 1);
485 }
486
487 /* Print the opcode name */
488
489 AcpiDmDisassembleOneOp (NULL, Info, Op);
490
491 if ((Op->Common.DisasmOpcode == ACPI_DASM_LNOT_PREFIX) ||
492 (Op->Common.AmlOpcode == AML_INT_CONNECTION_OP))
493 {
494 return (AE_OK);
495 }
496
497 if ((Op->Common.AmlOpcode == AML_NAME_OP) ||
498 (Op->Common.AmlOpcode == AML_RETURN_OP))
499 {
500 Info->Level--;
501 }
502
503 /* Start the opcode argument list if necessary */
504
505 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
506
507 if ((OpInfo->Flags & AML_HAS_ARGS) ||
508 (Op->Common.AmlOpcode == AML_EVENT_OP))
509 {
510 /* This opcode has an argument list */
511
512 if (AcpiDmBlockType (Op) & BLOCK_PAREN)
540 {
541 AcpiDmDumpName (Name);
542 }
543
544 if (Op->Common.AmlOpcode != AML_INT_NAMEDFIELD_OP)
545 {
546 if (AcpiGbl_DbOpt_verbose)
547 {
548 (void) AcpiPsDisplayObjectPathname (NULL, Op);
549 }
550 }
551 break;
552 }
553
554 switch (Op->Common.AmlOpcode)
555 {
556 case AML_METHOD_OP:
557
558 AcpiDmMethodFlags (Op);
559 AcpiOsPrintf (")");
560
561 /* Emit description comment for Method() with a predefined ACPI name */
562
563 AcpiDmPredefinedDescription (Op);
564 break;
565
566
567 case AML_NAME_OP:
568
569 /* Check for _HID and related EISAID() */
570
571 AcpiDmIsEisaId (Op);
572 AcpiOsPrintf (", ");
573 break;
574
575
576 case AML_REGION_OP:
577
578 AcpiDmRegionFlags (Op);
579 break;
580
581
582 case AML_POWER_RES_OP:
583
614 AcpiOsPrintf (", ");
615 return (AE_OK);
616
617
618 case AML_EVENT_OP:
619 case AML_ALIAS_OP:
620
621 return (AE_OK);
622
623
624 case AML_SCOPE_OP:
625 case AML_DEVICE_OP:
626 case AML_THERMAL_ZONE_OP:
627
628 AcpiOsPrintf (")");
629 break;
630
631
632 default:
633
634 AcpiOsPrintf ("*** Unhandled named opcode %X\n",
635 Op->Common.AmlOpcode);
636 break;
637 }
638 }
639
640 else switch (Op->Common.AmlOpcode)
641 {
642 case AML_FIELD_OP:
643 case AML_BANK_FIELD_OP:
644 case AML_INDEX_FIELD_OP:
645
646 Info->BitOffset = 0;
647
648 /* Name of the parent OperationRegion */
649
650 NextOp = AcpiPsGetDepthNext (NULL, Op);
651 AcpiDmNamestring (NextOp->Common.Value.Name);
652 AcpiOsPrintf (", ");
653 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
654
655 switch (Op->Common.AmlOpcode)
656 {
657 case AML_BANK_FIELD_OP:
658
659 /* Namestring - Bank Name */
660
661 NextOp = AcpiPsGetDepthNext (NULL, NextOp);
662 AcpiDmNamestring (NextOp->Common.Value.Name);
663 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
664 AcpiOsPrintf (", ");
665
666 /*
667 * Bank Value. This is a TermArg in the middle of the parameter
668 * list, must handle it here.
669 *
670 * Disassemble the TermArg parse tree. ACPI_PARSEOP_PARAMLIST
671 * eliminates newline in the output.
672 */
673 NextOp = NextOp->Common.Next;
674
675 Info->Flags = ACPI_PARSEOP_PARAMLIST;
676 AcpiDmWalkParseTree (NextOp, AcpiDmDescendingOp,
677 AcpiDmAscendingOp, Info);
678 Info->Flags = 0;
679 Info->Level = Level;
680
681 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
682 AcpiOsPrintf (", ");
683 break;
684
685 case AML_INDEX_FIELD_OP:
686
687 /* Namestring - Data Name */
688
689 NextOp = AcpiPsGetDepthNext (NULL, NextOp);
690 AcpiDmNamestring (NextOp->Common.Value.Name);
691 AcpiOsPrintf (", ");
692 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
693 break;
694
695 default:
696
697 break;
698 }
699
700 AcpiDmFieldFlags (NextOp);
701 break;
702
703 case AML_BUFFER_OP:
704
705 /* The next op is the size parameter */
706
707 NextOp = AcpiPsGetDepthNext (NULL, Op);
708 if (!NextOp)
709 {
710 /* Single-step support */
711
712 return (AE_OK);
713 }
714
715 if (Op->Common.DisasmOpcode == ACPI_DASM_RESOURCE)
716 {
717 /*
718 * We have a resource list. Don't need to output
719 * the buffer size Op. Open up a new block
720 */
721 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
722 NextOp = NextOp->Common.Next;
723 AcpiOsPrintf (")");
724
725 /* Emit description comment for Name() with a predefined ACPI name */
726
727 AcpiDmPredefinedDescription (Op->Asl.Parent);
728
729 AcpiOsPrintf ("\n");
730 AcpiDmIndent (Info->Level);
731 AcpiOsPrintf ("{\n");
732 return (AE_OK);
733 }
734
735 /* Normal Buffer, mark size as in the parameter list */
736
737 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
738 return (AE_OK);
739
740 case AML_VAR_PACKAGE_OP:
741 case AML_IF_OP:
742 case AML_WHILE_OP:
743
744 /* The next op is the size or predicate parameter */
745
746 NextOp = AcpiPsGetDepthNext (NULL, Op);
747 if (NextOp)
748 {
749 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
750 }
751 return (AE_OK);
752
753 case AML_PACKAGE_OP:
754
755 /* The next op is the size parameter */
756
757 NextOp = AcpiPsGetDepthNext (NULL, Op);
758 if (NextOp)
759 {
760 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
761 }
762 return (AE_OK);
763
764 case AML_MATCH_OP:
765
766 AcpiDmMatchOp (Op);
767 break;
768
769 default:
770
771 break;
772 }
773
774 if (AcpiDmBlockType (Op) & BLOCK_BRACE)
775 {
776 AcpiOsPrintf ("\n");
777 AcpiDmIndent (Level);
778 AcpiOsPrintf ("{\n");
779 }
780 }
781
782 return (AE_OK);
783 }
784
785
786 /*******************************************************************************
787 *
788 * FUNCTION: AcpiDmAscendingOp
789 *
790 * PARAMETERS: ASL_WALK_CALLBACK
791 *
792 * RETURN: Status
793 *
794 * DESCRIPTION: Second visitation of a parse object, during ascent of parse
795 * tree. Close out any parameter lists and complete the opcode.
796 *
797 ******************************************************************************/
798
799 static ACPI_STATUS
800 AcpiDmAscendingOp (
801 ACPI_PARSE_OBJECT *Op,
802 UINT32 Level,
803 void *Context)
804 {
805 ACPI_OP_WALK_INFO *Info = Context;
806 ACPI_PARSE_OBJECT *ParentOp;
807
808
809 if (Op->Common.DisasmFlags & ACPI_PARSEOP_IGNORE)
810 {
811 /* Ignore this op -- it was handled elsewhere */
812
813 return (AE_OK);
814 }
815
816 if ((Level == 0) && (Op->Common.AmlOpcode == AML_SCOPE_OP))
817 {
818 /* Indicates the end of the current descriptor block (table) */
819
820 AcpiOsPrintf ("}\n\n");
821 return (AE_OK);
822 }
823
824 switch (AcpiDmBlockType (Op))
825 {
826 case BLOCK_PAREN:
827
828 /* Completed an op that has arguments, add closing paren */
829
830 AcpiOsPrintf (")");
831
832 if (Op->Common.AmlOpcode == AML_NAME_OP)
833 {
834 /* Emit description comment for Name() with a predefined ACPI name */
835
836 AcpiDmPredefinedDescription (Op);
837 }
838 else
839 {
840 /* For Create* operators, attempt to emit resource tag description */
841
842 AcpiDmFieldPredefinedDescription (Op);
843 }
844
845 /* Could be a nested operator, check if comma required */
846
847 if (!AcpiDmCommaIfListMember (Op))
848 {
849 if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
850 (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) &&
851 (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP))
852 {
853 /*
854 * This is a first-level element of a term list
855 * start a new line
856 */
857 if (!(Info->Flags & ACPI_PARSEOP_PARAMLIST))
858 {
859 AcpiOsPrintf ("\n");
860 }
861 }
862 }
863 break;
864
865 case BLOCK_BRACE:
866 case (BLOCK_BRACE | BLOCK_PAREN):
867
868 /* Completed an op that has a term list, add closing brace */
869
870 if (Op->Common.DisasmFlags & ACPI_PARSEOP_EMPTY_TERMLIST)
871 {
872 AcpiOsPrintf ("}");
873 }
874 else
875 {
876 AcpiDmIndent (Level);
877 AcpiOsPrintf ("}");
878 }
879
880 AcpiDmCommaIfListMember (Op);
881
882 if (AcpiDmBlockType (Op->Common.Parent) != BLOCK_PAREN)
883 {
884 AcpiOsPrintf ("\n");
885 if (!(Op->Common.DisasmFlags & ACPI_PARSEOP_EMPTY_TERMLIST))
886 {
887 if ((Op->Common.AmlOpcode == AML_IF_OP) &&
888 (Op->Common.Next) &&
889 (Op->Common.Next->Common.AmlOpcode == AML_ELSE_OP))
890 {
891 break;
892 }
893
894 if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
895 (!Op->Common.Next))
896 {
897 break;
898 }
899 AcpiOsPrintf ("\n");
900 }
901 }
902 break;
903
904 case BLOCK_NONE:
905 default:
906
907 /* Could be a nested operator, check if comma required */
908
909 if (!AcpiDmCommaIfListMember (Op))
910 {
911 if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
912 (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) &&
913 (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP))
914 {
915 /*
916 * This is a first-level element of a term list
917 * start a new line
918 */
919 AcpiOsPrintf ("\n");
920 }
921 }
922 else if (Op->Common.Parent)
923 {
937 break;
938 }
939 }
940 break;
941 }
942
943 if (Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)
944 {
945 if ((Op->Common.Next) &&
946 (Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST))
947 {
948 return (AE_OK);
949 }
950
951 /*
952 * Just completed a parameter node for something like "Buffer (param)".
953 * Close the paren and open up the term list block with a brace
954 */
955 if (Op->Common.Next)
956 {
957 AcpiOsPrintf (")");
958
959 /* Emit description comment for Name() with a predefined ACPI name */
960
961 ParentOp = Op->Common.Parent;
962 if (ParentOp)
963 {
964 ParentOp = ParentOp->Common.Parent;
965 if (ParentOp && ParentOp->Asl.AmlOpcode == AML_NAME_OP)
966 {
967 AcpiDmPredefinedDescription (ParentOp);
968 }
969 }
970 AcpiOsPrintf ("\n");
971 AcpiDmIndent (Level - 1);
972 AcpiOsPrintf ("{\n");
973 }
974 else
975 {
976 Op->Common.Parent->Common.DisasmFlags |=
977 ACPI_PARSEOP_EMPTY_TERMLIST;
978 AcpiOsPrintf (") {");
979 }
980 }
981
982 if ((Op->Common.AmlOpcode == AML_NAME_OP) ||
983 (Op->Common.AmlOpcode == AML_RETURN_OP))
984 {
985 Info->Level++;
986 }
987 return (AE_OK);
988 }
989
990
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