1
2 /******************************************************************************
3 *
4 * Module Name: exresop - AML Interpreter operand/object resolution
5 *
6 *****************************************************************************/
7
8 /*
9 * Copyright (C) 2000 - 2011, Intel Corp.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions, and the following disclaimer,
17 * without modification.
18 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
19 * substantially similar to the "NO WARRANTY" disclaimer below
20 * ("Disclaimer") and any redistribution must be conditioned upon
21 * including a substantially similar Disclaimer requirement for further
22 * binary redistribution.
23 * 3. Neither the names of the above-listed copyright holders nor the names
24 * of any contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * Alternatively, this software may be distributed under the terms of the
28 * GNU General Public License ("GPL") version 2 as published by the Free
29 * Software Foundation.
208 {
209 case ACPI_DESC_TYPE_NAMED:
210
211 /* Namespace Node */
212
213 ObjectType = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type;
214
215 /*
216 * Resolve an alias object. The construction of these objects
217 * guarantees that there is only one level of alias indirection;
218 * thus, the attached object is always the aliased namespace node
219 */
220 if (ObjectType == ACPI_TYPE_LOCAL_ALIAS)
221 {
222 ObjDesc = AcpiNsGetAttachedObject ((ACPI_NAMESPACE_NODE *) ObjDesc);
223 *StackPtr = ObjDesc;
224 ObjectType = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type;
225 }
226 break;
227
228
229 case ACPI_DESC_TYPE_OPERAND:
230
231 /* ACPI internal object */
232
233 ObjectType = ObjDesc->Common.Type;
234
235 /* Check for bad ACPI_OBJECT_TYPE */
236
237 if (!AcpiUtValidObjectType (ObjectType))
238 {
239 ACPI_ERROR ((AE_INFO,
240 "Bad operand object type [0x%X]", ObjectType));
241
242 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
243 }
244
245 if (ObjectType == (UINT8) ACPI_TYPE_LOCAL_REFERENCE)
246 {
247 /* Validate the Reference */
248
261 case ACPI_REFCLASS_TABLE: /* DdbHandle from LOAD_OP or LOAD_TABLE_OP */
262 case ACPI_REFCLASS_NAME: /* Reference to a named object */
263
264 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
265 "Operand is a Reference, Class [%s] %2.2X\n",
266 AcpiUtGetReferenceName (ObjDesc),
267 ObjDesc->Reference.Class));
268 break;
269
270 default:
271
272 ACPI_ERROR ((AE_INFO,
273 "Unknown Reference Class 0x%2.2X in %p",
274 ObjDesc->Reference.Class, ObjDesc));
275
276 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
277 }
278 }
279 break;
280
281
282 default:
283
284 /* Invalid descriptor */
285
286 ACPI_ERROR ((AE_INFO, "Invalid descriptor %p [%s]",
287 ObjDesc, AcpiUtGetDescriptorName (ObjDesc)));
288
289 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
290 }
291
292 /* Get one argument type, point to the next */
293
294 ThisArgType = GET_CURRENT_ARG_TYPE (ArgTypes);
295 INCREMENT_ARG_LIST (ArgTypes);
296
297 /*
298 * Handle cases where the object does not need to be
299 * resolved to a value
300 */
301 switch (ThisArgType)
308 /*
309 * String found - the string references a named object and
310 * must be resolved to a node
311 */
312 goto NextOperand;
313 }
314
315 /*
316 * Else not a string - fall through to the normal Reference
317 * case below
318 */
319 /*lint -fallthrough */
320
321 case ARGI_REFERENCE: /* References: */
322 case ARGI_INTEGER_REF:
323 case ARGI_OBJECT_REF:
324 case ARGI_DEVICE_REF:
325 case ARGI_TARGETREF: /* Allows implicit conversion rules before store */
326 case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */
327 case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */
328
329 /*
330 * Need an operand of type ACPI_TYPE_LOCAL_REFERENCE
331 * A Namespace Node is OK as-is
332 */
333 if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_NAMED)
334 {
335 goto NextOperand;
336 }
337
338 Status = AcpiExCheckObjectType (ACPI_TYPE_LOCAL_REFERENCE,
339 ObjectType, ObjDesc);
340 if (ACPI_FAILURE (Status))
341 {
342 return_ACPI_STATUS (Status);
343 }
344 goto NextOperand;
345
346
347 case ARGI_DATAREFOBJ: /* Store operator only */
348
349 /*
350 * We don't want to resolve IndexOp reference objects during
351 * a store because this would be an implicit DeRefOf operation.
352 * Instead, we just want to store the reference object.
353 * -- All others must be resolved below.
354 */
355 if ((Opcode == AML_STORE_OP) &&
356 ((*StackPtr)->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) &&
357 ((*StackPtr)->Reference.Class == ACPI_REFCLASS_INDEX))
358 {
359 goto NextOperand;
360 }
361 break;
362
363 default:
364 /* All cases covered above */
365 break;
366 }
367
368 /*
369 * Resolve this object to a value
370 */
371 Status = AcpiExResolveToValue (StackPtr, WalkState);
372 if (ACPI_FAILURE (Status))
373 {
374 return_ACPI_STATUS (Status);
375 }
376
377 /* Get the resolved object */
378
379 ObjDesc = *StackPtr;
380
381 /*
382 * Check the resulting object (value) type
383 */
384 switch (ThisArgType)
437 if (ACPI_FAILURE (Status))
438 {
439 if (Status == AE_TYPE)
440 {
441 ACPI_ERROR ((AE_INFO,
442 "Needed [Integer/String/Buffer], found [%s] %p",
443 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
444
445 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
446 }
447
448 return_ACPI_STATUS (Status);
449 }
450
451 if (ObjDesc != *StackPtr)
452 {
453 AcpiUtRemoveReference (ObjDesc);
454 }
455 goto NextOperand;
456
457
458 case ARGI_BUFFER:
459
460 /*
461 * Need an operand of type ACPI_TYPE_BUFFER,
462 * But we can implicitly convert from a STRING or INTEGER
463 * Aka - "Implicit Source Operand Conversion"
464 */
465 Status = AcpiExConvertToBuffer (ObjDesc, StackPtr);
466 if (ACPI_FAILURE (Status))
467 {
468 if (Status == AE_TYPE)
469 {
470 ACPI_ERROR ((AE_INFO,
471 "Needed [Integer/String/Buffer], found [%s] %p",
472 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
473
474 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
475 }
476
477 return_ACPI_STATUS (Status);
478 }
479
480 if (ObjDesc != *StackPtr)
481 {
482 AcpiUtRemoveReference (ObjDesc);
483 }
484 goto NextOperand;
485
486
487 case ARGI_STRING:
488
489 /*
490 * Need an operand of type ACPI_TYPE_STRING,
491 * But we can implicitly convert from a BUFFER or INTEGER
492 * Aka - "Implicit Source Operand Conversion"
493 */
494 Status = AcpiExConvertToString (ObjDesc, StackPtr,
495 ACPI_IMPLICIT_CONVERT_HEX);
496 if (ACPI_FAILURE (Status))
497 {
498 if (Status == AE_TYPE)
499 {
500 ACPI_ERROR ((AE_INFO,
501 "Needed [Integer/String/Buffer], found [%s] %p",
502 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
503
504 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
505 }
506
507 return_ACPI_STATUS (Status);
508 }
509
510 if (ObjDesc != *StackPtr)
511 {
512 AcpiUtRemoveReference (ObjDesc);
513 }
514 goto NextOperand;
515
516
517 case ARGI_COMPUTEDATA:
518
519 /* Need an operand of type INTEGER, STRING or BUFFER */
520
521 switch (ObjDesc->Common.Type)
522 {
523 case ACPI_TYPE_INTEGER:
524 case ACPI_TYPE_STRING:
525 case ACPI_TYPE_BUFFER:
526
527 /* Valid operand */
528 break;
529
530 default:
531 ACPI_ERROR ((AE_INFO,
532 "Needed [Integer/String/Buffer], found [%s] %p",
533 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
534
535 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
536 }
537 goto NextOperand;
538
539
540 case ARGI_BUFFER_OR_STRING:
541
542 /* Need an operand of type STRING or BUFFER */
543
544 switch (ObjDesc->Common.Type)
545 {
546 case ACPI_TYPE_STRING:
547 case ACPI_TYPE_BUFFER:
548
549 /* Valid operand */
550 break;
551
552 case ACPI_TYPE_INTEGER:
553
554 /* Highest priority conversion is to type Buffer */
555
556 Status = AcpiExConvertToBuffer (ObjDesc, StackPtr);
557 if (ACPI_FAILURE (Status))
558 {
559 return_ACPI_STATUS (Status);
560 }
561
562 if (ObjDesc != *StackPtr)
563 {
564 AcpiUtRemoveReference (ObjDesc);
565 }
566 break;
567
568 default:
569 ACPI_ERROR ((AE_INFO,
570 "Needed [Integer/String/Buffer], found [%s] %p",
571 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
572
573 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
574 }
575 goto NextOperand;
576
577
578 case ARGI_DATAOBJECT:
579 /*
580 * ARGI_DATAOBJECT is only used by the SizeOf operator.
581 * Need a buffer, string, package, or RefOf reference.
582 *
583 * The only reference allowed here is a direct reference to
584 * a namespace node.
585 */
586 switch (ObjDesc->Common.Type)
587 {
588 case ACPI_TYPE_PACKAGE:
589 case ACPI_TYPE_STRING:
590 case ACPI_TYPE_BUFFER:
591 case ACPI_TYPE_LOCAL_REFERENCE:
592
593 /* Valid operand */
594 break;
595
596 default:
597 ACPI_ERROR ((AE_INFO,
598 "Needed [Buffer/String/Package/Reference], found [%s] %p",
599 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
600
601 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
602 }
603 goto NextOperand;
604
605
606 case ARGI_COMPLEXOBJ:
607
608 /* Need a buffer or package or (ACPI 2.0) String */
609
610 switch (ObjDesc->Common.Type)
611 {
612 case ACPI_TYPE_PACKAGE:
613 case ACPI_TYPE_STRING:
614 case ACPI_TYPE_BUFFER:
615
616 /* Valid operand */
617 break;
618
619 default:
620 ACPI_ERROR ((AE_INFO,
621 "Needed [Buffer/String/Package], found [%s] %p",
622 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
623
624 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
625 }
626 goto NextOperand;
627
628
629 case ARGI_REGION_OR_BUFFER: /* Used by Load() only */
630
631 /* Need an operand of type REGION or a BUFFER (which could be a resolved region field) */
632
633 switch (ObjDesc->Common.Type)
634 {
635 case ACPI_TYPE_BUFFER:
636 case ACPI_TYPE_REGION:
637
638 /* Valid operand */
639 break;
640
641 default:
642 ACPI_ERROR ((AE_INFO,
643 "Needed [Region/Buffer], found [%s] %p",
644 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
645
646 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
647 }
648 goto NextOperand;
649
650
651 case ARGI_DATAREFOBJ:
652
653 /* Used by the Store() operator only */
654
655 switch (ObjDesc->Common.Type)
656 {
657 case ACPI_TYPE_INTEGER:
658 case ACPI_TYPE_PACKAGE:
659 case ACPI_TYPE_STRING:
660 case ACPI_TYPE_BUFFER:
661 case ACPI_TYPE_BUFFER_FIELD:
662 case ACPI_TYPE_LOCAL_REFERENCE:
663 case ACPI_TYPE_LOCAL_REGION_FIELD:
664 case ACPI_TYPE_LOCAL_BANK_FIELD:
665 case ACPI_TYPE_LOCAL_INDEX_FIELD:
666 case ACPI_TYPE_DDB_HANDLE:
667
668 /* Valid operand */
669 break;
670
678 * allow this, however.
679 */
680 break;
681 }
682
683 if (TargetOp == AML_DEBUG_OP)
684 {
685 /* Allow store of any object to the Debug object */
686
687 break;
688 }
689
690 ACPI_ERROR ((AE_INFO,
691 "Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p",
692 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
693
694 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
695 }
696 goto NextOperand;
697
698
699 default:
700
701 /* Unknown type */
702
703 ACPI_ERROR ((AE_INFO,
704 "Internal - Unknown ARGI (required operand) type 0x%X",
705 ThisArgType));
706
707 return_ACPI_STATUS (AE_BAD_PARAMETER);
708 }
709
710 /*
711 * Make sure that the original object was resolved to the
712 * required object type (Simple cases only).
713 */
714 Status = AcpiExCheckObjectType (TypeNeeded,
715 (*StackPtr)->Common.Type, *StackPtr);
716 if (ACPI_FAILURE (Status))
717 {
718 return_ACPI_STATUS (Status);
719 }
720
721 NextOperand:
722 /*
723 * If more operands needed, decrement StackPtr to point
724 * to next operand on stack
725 */
726 if (GET_CURRENT_ARG_TYPE (ArgTypes))
727 {
728 StackPtr--;
729 }
730 }
731
732 ACPI_DUMP_OPERANDS (WalkState->Operands,
733 AcpiPsGetOpcodeName (Opcode), WalkState->NumOperands);
734
735 return_ACPI_STATUS (Status);
736 }
737
738
|
1 /******************************************************************************
2 *
3 * Module Name: exresop - AML Interpreter operand/object resolution
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.
207 {
208 case ACPI_DESC_TYPE_NAMED:
209
210 /* Namespace Node */
211
212 ObjectType = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type;
213
214 /*
215 * Resolve an alias object. The construction of these objects
216 * guarantees that there is only one level of alias indirection;
217 * thus, the attached object is always the aliased namespace node
218 */
219 if (ObjectType == ACPI_TYPE_LOCAL_ALIAS)
220 {
221 ObjDesc = AcpiNsGetAttachedObject ((ACPI_NAMESPACE_NODE *) ObjDesc);
222 *StackPtr = ObjDesc;
223 ObjectType = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type;
224 }
225 break;
226
227 case ACPI_DESC_TYPE_OPERAND:
228
229 /* ACPI internal object */
230
231 ObjectType = ObjDesc->Common.Type;
232
233 /* Check for bad ACPI_OBJECT_TYPE */
234
235 if (!AcpiUtValidObjectType (ObjectType))
236 {
237 ACPI_ERROR ((AE_INFO,
238 "Bad operand object type [0x%X]", ObjectType));
239
240 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
241 }
242
243 if (ObjectType == (UINT8) ACPI_TYPE_LOCAL_REFERENCE)
244 {
245 /* Validate the Reference */
246
259 case ACPI_REFCLASS_TABLE: /* DdbHandle from LOAD_OP or LOAD_TABLE_OP */
260 case ACPI_REFCLASS_NAME: /* Reference to a named object */
261
262 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
263 "Operand is a Reference, Class [%s] %2.2X\n",
264 AcpiUtGetReferenceName (ObjDesc),
265 ObjDesc->Reference.Class));
266 break;
267
268 default:
269
270 ACPI_ERROR ((AE_INFO,
271 "Unknown Reference Class 0x%2.2X in %p",
272 ObjDesc->Reference.Class, ObjDesc));
273
274 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
275 }
276 }
277 break;
278
279 default:
280
281 /* Invalid descriptor */
282
283 ACPI_ERROR ((AE_INFO, "Invalid descriptor %p [%s]",
284 ObjDesc, AcpiUtGetDescriptorName (ObjDesc)));
285
286 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
287 }
288
289 /* Get one argument type, point to the next */
290
291 ThisArgType = GET_CURRENT_ARG_TYPE (ArgTypes);
292 INCREMENT_ARG_LIST (ArgTypes);
293
294 /*
295 * Handle cases where the object does not need to be
296 * resolved to a value
297 */
298 switch (ThisArgType)
305 /*
306 * String found - the string references a named object and
307 * must be resolved to a node
308 */
309 goto NextOperand;
310 }
311
312 /*
313 * Else not a string - fall through to the normal Reference
314 * case below
315 */
316 /*lint -fallthrough */
317
318 case ARGI_REFERENCE: /* References: */
319 case ARGI_INTEGER_REF:
320 case ARGI_OBJECT_REF:
321 case ARGI_DEVICE_REF:
322 case ARGI_TARGETREF: /* Allows implicit conversion rules before store */
323 case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */
324 case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */
325 /*
326 * Need an operand of type ACPI_TYPE_LOCAL_REFERENCE
327 * A Namespace Node is OK as-is
328 */
329 if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) == ACPI_DESC_TYPE_NAMED)
330 {
331 goto NextOperand;
332 }
333
334 Status = AcpiExCheckObjectType (ACPI_TYPE_LOCAL_REFERENCE,
335 ObjectType, ObjDesc);
336 if (ACPI_FAILURE (Status))
337 {
338 return_ACPI_STATUS (Status);
339 }
340 goto NextOperand;
341
342 case ARGI_DATAREFOBJ: /* Store operator only */
343 /*
344 * We don't want to resolve IndexOp reference objects during
345 * a store because this would be an implicit DeRefOf operation.
346 * Instead, we just want to store the reference object.
347 * -- All others must be resolved below.
348 */
349 if ((Opcode == AML_STORE_OP) &&
350 ((*StackPtr)->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) &&
351 ((*StackPtr)->Reference.Class == ACPI_REFCLASS_INDEX))
352 {
353 goto NextOperand;
354 }
355 break;
356
357 default:
358
359 /* All cases covered above */
360
361 break;
362 }
363
364 /*
365 * Resolve this object to a value
366 */
367 Status = AcpiExResolveToValue (StackPtr, WalkState);
368 if (ACPI_FAILURE (Status))
369 {
370 return_ACPI_STATUS (Status);
371 }
372
373 /* Get the resolved object */
374
375 ObjDesc = *StackPtr;
376
377 /*
378 * Check the resulting object (value) type
379 */
380 switch (ThisArgType)
433 if (ACPI_FAILURE (Status))
434 {
435 if (Status == AE_TYPE)
436 {
437 ACPI_ERROR ((AE_INFO,
438 "Needed [Integer/String/Buffer], found [%s] %p",
439 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
440
441 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
442 }
443
444 return_ACPI_STATUS (Status);
445 }
446
447 if (ObjDesc != *StackPtr)
448 {
449 AcpiUtRemoveReference (ObjDesc);
450 }
451 goto NextOperand;
452
453 case ARGI_BUFFER:
454 /*
455 * Need an operand of type ACPI_TYPE_BUFFER,
456 * But we can implicitly convert from a STRING or INTEGER
457 * Aka - "Implicit Source Operand Conversion"
458 */
459 Status = AcpiExConvertToBuffer (ObjDesc, StackPtr);
460 if (ACPI_FAILURE (Status))
461 {
462 if (Status == AE_TYPE)
463 {
464 ACPI_ERROR ((AE_INFO,
465 "Needed [Integer/String/Buffer], found [%s] %p",
466 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
467
468 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
469 }
470
471 return_ACPI_STATUS (Status);
472 }
473
474 if (ObjDesc != *StackPtr)
475 {
476 AcpiUtRemoveReference (ObjDesc);
477 }
478 goto NextOperand;
479
480 case ARGI_STRING:
481 /*
482 * Need an operand of type ACPI_TYPE_STRING,
483 * But we can implicitly convert from a BUFFER or INTEGER
484 * Aka - "Implicit Source Operand Conversion"
485 */
486 Status = AcpiExConvertToString (ObjDesc, StackPtr,
487 ACPI_IMPLICIT_CONVERT_HEX);
488 if (ACPI_FAILURE (Status))
489 {
490 if (Status == AE_TYPE)
491 {
492 ACPI_ERROR ((AE_INFO,
493 "Needed [Integer/String/Buffer], found [%s] %p",
494 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
495
496 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
497 }
498
499 return_ACPI_STATUS (Status);
500 }
501
502 if (ObjDesc != *StackPtr)
503 {
504 AcpiUtRemoveReference (ObjDesc);
505 }
506 goto NextOperand;
507
508 case ARGI_COMPUTEDATA:
509
510 /* Need an operand of type INTEGER, STRING or BUFFER */
511
512 switch (ObjDesc->Common.Type)
513 {
514 case ACPI_TYPE_INTEGER:
515 case ACPI_TYPE_STRING:
516 case ACPI_TYPE_BUFFER:
517
518 /* Valid operand */
519 break;
520
521 default:
522 ACPI_ERROR ((AE_INFO,
523 "Needed [Integer/String/Buffer], found [%s] %p",
524 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
525
526 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
527 }
528 goto NextOperand;
529
530 case ARGI_BUFFER_OR_STRING:
531
532 /* Need an operand of type STRING or BUFFER */
533
534 switch (ObjDesc->Common.Type)
535 {
536 case ACPI_TYPE_STRING:
537 case ACPI_TYPE_BUFFER:
538
539 /* Valid operand */
540 break;
541
542 case ACPI_TYPE_INTEGER:
543
544 /* Highest priority conversion is to type Buffer */
545
546 Status = AcpiExConvertToBuffer (ObjDesc, StackPtr);
547 if (ACPI_FAILURE (Status))
548 {
549 return_ACPI_STATUS (Status);
550 }
551
552 if (ObjDesc != *StackPtr)
553 {
554 AcpiUtRemoveReference (ObjDesc);
555 }
556 break;
557
558 default:
559 ACPI_ERROR ((AE_INFO,
560 "Needed [Integer/String/Buffer], found [%s] %p",
561 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
562
563 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
564 }
565 goto NextOperand;
566
567 case ARGI_DATAOBJECT:
568 /*
569 * ARGI_DATAOBJECT is only used by the SizeOf operator.
570 * Need a buffer, string, package, or RefOf reference.
571 *
572 * The only reference allowed here is a direct reference to
573 * a namespace node.
574 */
575 switch (ObjDesc->Common.Type)
576 {
577 case ACPI_TYPE_PACKAGE:
578 case ACPI_TYPE_STRING:
579 case ACPI_TYPE_BUFFER:
580 case ACPI_TYPE_LOCAL_REFERENCE:
581
582 /* Valid operand */
583 break;
584
585 default:
586
587 ACPI_ERROR ((AE_INFO,
588 "Needed [Buffer/String/Package/Reference], found [%s] %p",
589 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
590
591 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
592 }
593 goto NextOperand;
594
595 case ARGI_COMPLEXOBJ:
596
597 /* Need a buffer or package or (ACPI 2.0) String */
598
599 switch (ObjDesc->Common.Type)
600 {
601 case ACPI_TYPE_PACKAGE:
602 case ACPI_TYPE_STRING:
603 case ACPI_TYPE_BUFFER:
604
605 /* Valid operand */
606 break;
607
608 default:
609
610 ACPI_ERROR ((AE_INFO,
611 "Needed [Buffer/String/Package], found [%s] %p",
612 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
613
614 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
615 }
616 goto NextOperand;
617
618 case ARGI_REGION_OR_BUFFER: /* Used by Load() only */
619
620 /* Need an operand of type REGION or a BUFFER (which could be a resolved region field) */
621
622 switch (ObjDesc->Common.Type)
623 {
624 case ACPI_TYPE_BUFFER:
625 case ACPI_TYPE_REGION:
626
627 /* Valid operand */
628 break;
629
630 default:
631
632 ACPI_ERROR ((AE_INFO,
633 "Needed [Region/Buffer], found [%s] %p",
634 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
635
636 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
637 }
638 goto NextOperand;
639
640 case ARGI_DATAREFOBJ:
641
642 /* Used by the Store() operator only */
643
644 switch (ObjDesc->Common.Type)
645 {
646 case ACPI_TYPE_INTEGER:
647 case ACPI_TYPE_PACKAGE:
648 case ACPI_TYPE_STRING:
649 case ACPI_TYPE_BUFFER:
650 case ACPI_TYPE_BUFFER_FIELD:
651 case ACPI_TYPE_LOCAL_REFERENCE:
652 case ACPI_TYPE_LOCAL_REGION_FIELD:
653 case ACPI_TYPE_LOCAL_BANK_FIELD:
654 case ACPI_TYPE_LOCAL_INDEX_FIELD:
655 case ACPI_TYPE_DDB_HANDLE:
656
657 /* Valid operand */
658 break;
659
667 * allow this, however.
668 */
669 break;
670 }
671
672 if (TargetOp == AML_DEBUG_OP)
673 {
674 /* Allow store of any object to the Debug object */
675
676 break;
677 }
678
679 ACPI_ERROR ((AE_INFO,
680 "Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p",
681 AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));
682
683 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
684 }
685 goto NextOperand;
686
687 default:
688
689 /* Unknown type */
690
691 ACPI_ERROR ((AE_INFO,
692 "Internal - Unknown ARGI (required operand) type 0x%X",
693 ThisArgType));
694
695 return_ACPI_STATUS (AE_BAD_PARAMETER);
696 }
697
698 /*
699 * Make sure that the original object was resolved to the
700 * required object type (Simple cases only).
701 */
702 Status = AcpiExCheckObjectType (TypeNeeded,
703 (*StackPtr)->Common.Type, *StackPtr);
704 if (ACPI_FAILURE (Status))
705 {
706 return_ACPI_STATUS (Status);
707 }
708
709 NextOperand:
710 /*
711 * If more operands needed, decrement StackPtr to point
712 * to next operand on stack
713 */
714 if (GET_CURRENT_ARG_TYPE (ArgTypes))
715 {
716 StackPtr--;
717 }
718 }
719
720 ACPI_DUMP_OPERANDS (WalkState->Operands,
721 AcpiPsGetOpcodeName (Opcode), WalkState->NumOperands);
722
723 return_ACPI_STATUS (Status);
724 }
|