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.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44
45 #include "acpi.h"
46 #include "accommon.h"
47 #include "acparser.h"
48 #include "amlcode.h"
49 #include "acdisasm.h"
50 #include "acdebug.h"
51
52
53 #ifdef ACPI_DISASSEMBLER
54
55 #define _COMPONENT ACPI_CA_DEBUGGER
56 ACPI_MODULE_NAME ("dmwalk")
57
58
59 #define DB_FULL_OP_INFO "[%4.4s] @%5.5X #%4.4X: "
60
61 /* Stub for non-compiler code */
62
63 #ifndef ACPI_ASL_COMPILER
64 void
65 AcpiDmEmitExternals (
66 void)
67 {
68 return;
69 }
70 #endif
71
72 /* Local prototypes */
73
74 static ACPI_STATUS
75 AcpiDmDescendingOp (
76 ACPI_PARSE_OBJECT *Op,
77 UINT32 Level,
78 void *Context);
79
80 static ACPI_STATUS
81 AcpiDmAscendingOp (
82 ACPI_PARSE_OBJECT *Op,
83 UINT32 Level,
84 void *Context);
85
86 static UINT32
87 AcpiDmBlockType (
88 ACPI_PARSE_OBJECT *Op);
89
90
91 /*******************************************************************************
92 *
93 * FUNCTION: AcpiDmDisassemble
94 *
95 * PARAMETERS: WalkState - Current state
96 * Origin - Starting object
97 * NumOpcodes - Max number of opcodes to be displayed
98 *
99 * RETURN: None
100 *
101 * DESCRIPTION: Disassemble parser object and its children. This is the
102 * main entry point of the disassembler.
103 *
104 ******************************************************************************/
105
106 void
107 AcpiDmDisassemble (
108 ACPI_WALK_STATE *WalkState,
109 ACPI_PARSE_OBJECT *Origin,
110 UINT32 NumOpcodes)
111 {
112 ACPI_PARSE_OBJECT *Op = Origin;
113 ACPI_OP_WALK_INFO Info;
114
115
116 if (!Op)
117 {
118 return;
119 }
120
121 Info.Flags = 0;
122 Info.Level = 0;
123 Info.Count = 0;
124 Info.WalkState = WalkState;
125 AcpiDmWalkParseTree (Op, AcpiDmDescendingOp, AcpiDmAscendingOp, &Info);
126 return;
127 }
128
129
130 /*******************************************************************************
131 *
132 * FUNCTION: AcpiDmWalkParseTree
133 *
134 * PARAMETERS: Op - Root Op object
135 * DescendingCallback - Called during tree descent
136 * AscendingCallback - Called during tree ascent
137 * Context - To be passed to the callbacks
138 *
139 * RETURN: Status from callback(s)
140 *
141 * DESCRIPTION: Walk the entire parse tree.
142 *
143 ******************************************************************************/
144
145 void
146 AcpiDmWalkParseTree (
147 ACPI_PARSE_OBJECT *Op,
148 ASL_WALK_CALLBACK DescendingCallback,
149 ASL_WALK_CALLBACK AscendingCallback,
150 void *Context)
151 {
152 BOOLEAN NodePreviouslyVisited;
153 ACPI_PARSE_OBJECT *StartOp = Op;
154 ACPI_STATUS Status;
155 ACPI_PARSE_OBJECT *Next;
156 ACPI_OP_WALK_INFO *Info = Context;
157
158
159 Info->Level = 0;
160 NodePreviouslyVisited = FALSE;
161
162 while (Op)
163 {
164 if (NodePreviouslyVisited)
165 {
166 if (AscendingCallback)
167 {
168 Status = AscendingCallback (Op, Info->Level, Context);
169 if (ACPI_FAILURE (Status))
170 {
171 return;
172 }
173 }
174 }
175 else
176 {
177 /* Let the callback process the node */
178
179 Status = DescendingCallback (Op, Info->Level, Context);
180 if (ACPI_SUCCESS (Status))
181 {
182 /* Visit children first, once */
183
184 Next = AcpiPsGetArg (Op, 0);
185 if (Next)
186 {
187 Info->Level++;
188 Op = Next;
189 continue;
190 }
191 }
192 else if (Status != AE_CTRL_DEPTH)
193 {
194 /* Exit immediately on any error */
195
196 return;
197 }
198 }
199
200 /* Terminate walk at start op */
201
202 if (Op == StartOp)
203 {
204 break;
205 }
206
207 /* No more children, re-visit this node */
208
209 if (!NodePreviouslyVisited)
210 {
211 NodePreviouslyVisited = TRUE;
212 continue;
213 }
214
215 /* No more children, visit peers */
216
217 if (Op->Common.Next)
218 {
219 Op = Op->Common.Next;
220 NodePreviouslyVisited = FALSE;
221 }
222 else
223 {
224 /* No peers, re-visit parent */
225
226 if (Info->Level != 0 )
227 {
228 Info->Level--;
229 }
230
231 Op = Op->Common.Parent;
232 NodePreviouslyVisited = TRUE;
233 }
234 }
235
236 /* If we get here, the walk completed with no errors */
237
238 return;
239 }
240
241
242 /*******************************************************************************
243 *
244 * FUNCTION: AcpiDmBlockType
245 *
246 * PARAMETERS: Op - Object to be examined
247 *
248 * RETURN: BlockType - not a block, parens, braces, or even both.
249 *
250 * DESCRIPTION: Type of block for this op (parens or braces)
251 *
252 ******************************************************************************/
253
254 static UINT32
255 AcpiDmBlockType (
256 ACPI_PARSE_OBJECT *Op)
257 {
258 const ACPI_OPCODE_INFO *OpInfo;
259
260
261 if (!Op)
262 {
263 return (BLOCK_NONE);
264 }
265
266 switch (Op->Common.AmlOpcode)
267 {
268 case AML_ELSE_OP:
269
270 return (BLOCK_BRACE);
271
272 case AML_METHOD_OP:
273 case AML_DEVICE_OP:
274 case AML_SCOPE_OP:
275 case AML_PROCESSOR_OP:
276 case AML_POWER_RES_OP:
277 case AML_THERMAL_ZONE_OP:
278 case AML_IF_OP:
279 case AML_WHILE_OP:
280 case AML_FIELD_OP:
281 case AML_INDEX_FIELD_OP:
282 case AML_BANK_FIELD_OP:
283
284 return (BLOCK_PAREN | BLOCK_BRACE);
285
286 case AML_BUFFER_OP:
287
288 if (Op->Common.DisasmOpcode == ACPI_DASM_UNICODE)
289 {
290 return (BLOCK_NONE);
291 }
292
293 /*lint -fallthrough */
294
295 case AML_PACKAGE_OP:
296 case AML_VAR_PACKAGE_OP:
297
298 return (BLOCK_PAREN | BLOCK_BRACE);
299
300 case AML_EVENT_OP:
301
302 return (BLOCK_PAREN);
303
304 default:
305
306 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
307 if (OpInfo->Flags & AML_HAS_ARGS)
308 {
309 return (BLOCK_PAREN);
310 }
311
312 return (BLOCK_NONE);
313 }
314 }
315
316
317 /*******************************************************************************
318 *
319 * FUNCTION: AcpiDmListType
320 *
321 * PARAMETERS: Op - Object to be examined
322 *
323 * RETURN: ListType - has commas or not.
324 *
325 * DESCRIPTION: Type of block for this op (parens or braces)
326 *
327 ******************************************************************************/
328
329 UINT32
330 AcpiDmListType (
331 ACPI_PARSE_OBJECT *Op)
332 {
333 const ACPI_OPCODE_INFO *OpInfo;
334
335
336 if (!Op)
337 {
338 return (BLOCK_NONE);
339 }
340
341 switch (Op->Common.AmlOpcode)
342 {
343
344 case AML_ELSE_OP:
345 case AML_METHOD_OP:
346 case AML_DEVICE_OP:
347 case AML_SCOPE_OP:
348 case AML_POWER_RES_OP:
349 case AML_PROCESSOR_OP:
350 case AML_THERMAL_ZONE_OP:
351 case AML_IF_OP:
352 case AML_WHILE_OP:
353 case AML_FIELD_OP:
354 case AML_INDEX_FIELD_OP:
355 case AML_BANK_FIELD_OP:
356
357 return (BLOCK_NONE);
358
359 case AML_BUFFER_OP:
360 case AML_PACKAGE_OP:
361 case AML_VAR_PACKAGE_OP:
362
363 return (BLOCK_COMMA_LIST);
364
365 default:
366
367 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
368 if (OpInfo->Flags & AML_HAS_ARGS)
369 {
370 return (BLOCK_COMMA_LIST);
371 }
372
373 return (BLOCK_NONE);
374 }
375 }
376
377
378 /*******************************************************************************
379 *
380 * FUNCTION: AcpiDmDescendingOp
381 *
382 * PARAMETERS: ASL_WALK_CALLBACK
383 *
384 * RETURN: Status
385 *
386 * DESCRIPTION: First visitation of a parse object during tree descent.
387 * Decode opcode name and begin parameter list(s), if any.
388 *
389 ******************************************************************************/
390
391 static ACPI_STATUS
392 AcpiDmDescendingOp (
393 ACPI_PARSE_OBJECT *Op,
394 UINT32 Level,
395 void *Context)
396 {
397 ACPI_OP_WALK_INFO *Info = Context;
398 const ACPI_OPCODE_INFO *OpInfo;
399 UINT32 Name;
400 ACPI_PARSE_OBJECT *NextOp;
401
402
403 if (Op->Common.DisasmFlags & ACPI_PARSEOP_IGNORE)
404 {
405 /* Ignore this op -- it was handled elsewhere */
406
407 return (AE_CTRL_DEPTH);
408 }
409
410 /* Level 0 is at the Definition Block level */
411
412 if (Level == 0)
413 {
414 /* In verbose mode, print the AML offset, opcode and depth count */
415
416 if (Info->WalkState)
417 {
418 VERBOSE_PRINT ((DB_FULL_OP_INFO,
419 (Info->WalkState->MethodNode ?
420 Info->WalkState->MethodNode->Name.Ascii : " "),
421 Op->Common.AmlOffset, (UINT32) Op->Common.AmlOpcode));
422 }
423
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)
488 {
489 AcpiOsPrintf (" (");
490 }
491
492 /* If this is a named opcode, print the associated name value */
493
494 if (OpInfo->Flags & AML_NAMED)
495 {
496 switch (Op->Common.AmlOpcode)
497 {
498 case AML_ALIAS_OP:
499
500 NextOp = AcpiPsGetDepthNext (NULL, Op);
501 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
502 AcpiDmNamestring (NextOp->Common.Value.Name);
503 AcpiOsPrintf (", ");
504
505 /*lint -fallthrough */
506
507 default:
508
509 Name = AcpiPsGetName (Op);
510 if (Op->Named.Path)
511 {
512 AcpiDmNamestring ((char *) Op->Named.Path);
513 }
514 else
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
555 /* Mark the next two Ops as part of the parameter list */
556
557 AcpiOsPrintf (", ");
558 NextOp = AcpiPsGetDepthNext (NULL, Op);
559 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
560
561 NextOp = NextOp->Common.Next;
562 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
563 return (AE_OK);
564
565
566 case AML_PROCESSOR_OP:
567
568 /* Mark the next three Ops as part of the parameter list */
569
570 AcpiOsPrintf (", ");
571 NextOp = AcpiPsGetDepthNext (NULL, Op);
572 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
573
574 NextOp = NextOp->Common.Next;
575 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
576
577 NextOp = NextOp->Common.Next;
578 NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
579 return (AE_OK);
580
581
582 case AML_MUTEX_OP:
583 case AML_DATA_REGION_OP:
584
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 {
880 switch (Op->Common.Parent->Common.AmlOpcode)
881 {
882 case AML_PACKAGE_OP:
883 case AML_VAR_PACKAGE_OP:
884
885 if (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST))
886 {
887 AcpiOsPrintf ("\n");
888 }
889 break;
890
891 default:
892
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
934 #endif /* ACPI_DISASSEMBLER */