1 /******************************************************************************
2 *
3 * Module Name: dswload2 - Dispatcher second pass namespace load callbacks
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.
219 case ACPI_TYPE_POWER:
220 case ACPI_TYPE_PROCESSOR:
221 case ACPI_TYPE_THERMAL:
222
223 /* These are acceptable types */
224 break;
225
226 case ACPI_TYPE_INTEGER:
227 case ACPI_TYPE_STRING:
228 case ACPI_TYPE_BUFFER:
229
230 /*
231 * These types we will allow, but we will change the type.
232 * This enables some existing code of the form:
233 *
234 * Name (DEB, 0)
235 * Scope (DEB) { ... }
236 */
237 ACPI_WARNING ((AE_INFO,
238 "Type override - [%4.4s] had invalid type (%s) "
239 "for Scope operator, changed to type ANY\n",
240 AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Node->Type)));
241
242 Node->Type = ACPI_TYPE_ANY;
243 WalkState->ScopeInfo->Common.Value = ACPI_TYPE_ANY;
244 break;
245
246 default:
247
248 /* All other types are an error */
249
250 ACPI_ERROR ((AE_INFO,
251 "Invalid type (%s) for target of "
252 "Scope operator [%4.4s] (Cannot override)",
253 AcpiUtGetTypeName (Node->Type), AcpiUtGetNodeName (Node)));
254
255 return (AE_AML_OPERAND_TYPE);
256 }
257 break;
258
259 default:
260
261 /* All other opcodes */
262
263 if (Op && Op->Common.Node)
264 {
265 /* This op/node was previously entered into the namespace */
266
267 Node = Op->Common.Node;
268
269 if (AcpiNsOpensScope (ObjectType))
270 {
271 Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState);
272 if (ACPI_FAILURE (Status))
273 {
274 return_ACPI_STATUS (Status);
275 }
465 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
466 "Create-Load [%s] State=%p Op=%p NamedObj=%p\n",
467 AcpiPsGetOpcodeName (Op->Common.AmlOpcode), WalkState, Op, Node));
468
469 /* Decode the opcode */
470
471 Arg = Op->Common.Value.Arg;
472
473 switch (WalkState->OpInfo->Type)
474 {
475 #ifndef ACPI_NO_METHOD_EXECUTION
476
477 case AML_TYPE_CREATE_FIELD:
478 /*
479 * Create the field object, but the field buffer and index must
480 * be evaluated later during the execution phase
481 */
482 Status = AcpiDsCreateBufferField (Op, WalkState);
483 break;
484
485
486 case AML_TYPE_NAMED_FIELD:
487 /*
488 * If we are executing a method, initialize the field
489 */
490 if (WalkState->MethodNode)
491 {
492 Status = AcpiDsInitFieldObjects (Op, WalkState);
493 }
494
495 switch (Op->Common.AmlOpcode)
496 {
497 case AML_INDEX_FIELD_OP:
498
499 Status = AcpiDsCreateIndexField (Op, (ACPI_HANDLE) Arg->Common.Node,
500 WalkState);
501 break;
502
503 case AML_BANK_FIELD_OP:
504
505 Status = AcpiDsCreateBankField (Op, Arg->Common.Node, WalkState);
506 break;
507
508 case AML_FIELD_OP:
509
510 Status = AcpiDsCreateField (Op, Arg->Common.Node, WalkState);
511 break;
512
513 default:
514 /* All NAMED_FIELD opcodes must be handled above */
515 break;
516 }
517 break;
518
519
520 case AML_TYPE_NAMED_SIMPLE:
521
522 Status = AcpiDsCreateOperands (WalkState, Arg);
523 if (ACPI_FAILURE (Status))
524 {
525 goto Cleanup;
526 }
527
528 switch (Op->Common.AmlOpcode)
529 {
530 case AML_PROCESSOR_OP:
531
532 Status = AcpiExCreateProcessor (WalkState);
533 break;
534
535 case AML_POWER_RES_OP:
536
537 Status = AcpiExCreatePowerResource (WalkState);
538 break;
539
540 case AML_MUTEX_OP:
541
542 Status = AcpiExCreateMutex (WalkState);
543 break;
544
545 case AML_EVENT_OP:
546
547 Status = AcpiExCreateEvent (WalkState);
548 break;
549
550
551 case AML_ALIAS_OP:
552
553 Status = AcpiExCreateAlias (WalkState);
554 break;
555
556 default:
557 /* Unknown opcode */
558
559 Status = AE_OK;
560 goto Cleanup;
561 }
562
563 /* Delete operands */
564
565 for (i = 1; i < WalkState->NumOperands; i++)
566 {
567 AcpiUtRemoveReference (WalkState->Operands[i]);
568 WalkState->Operands[i] = NULL;
569 }
570
571 break;
572 #endif /* ACPI_NO_METHOD_EXECUTION */
573
574 case AML_TYPE_NAMED_COMPLEX:
575
576 switch (Op->Common.AmlOpcode)
594 * argument is the SpaceId. (We must save the address of the
595 * AML of the address and length operands)
596 *
597 * If we have a valid region, initialize it. The namespace is
598 * unlocked at this point.
599 *
600 * Need to unlock interpreter if it is locked (if we are running
601 * a control method), in order to allow _REG methods to be run
602 * during AcpiEvInitializeRegion.
603 */
604 if (WalkState->MethodNode)
605 {
606 /*
607 * Executing a method: initialize the region and unlock
608 * the interpreter
609 */
610 Status = AcpiExCreateRegion (Op->Named.Data, Op->Named.Length,
611 RegionSpace, WalkState);
612 if (ACPI_FAILURE (Status))
613 {
614 return (Status);
615 }
616
617 AcpiExExitInterpreter ();
618 }
619
620 Status = AcpiEvInitializeRegion (AcpiNsGetAttachedObject (Node),
621 FALSE);
622 if (WalkState->MethodNode)
623 {
624 AcpiExEnterInterpreter ();
625 }
626
627 if (ACPI_FAILURE (Status))
628 {
629 /*
630 * If AE_NOT_EXIST is returned, it is not fatal
631 * because many regions get created before a handler
632 * is installed for said region.
633 */
634 if (AE_NOT_EXIST == Status)
635 {
636 Status = AE_OK;
637 }
638 }
639 break;
640
641
642 case AML_NAME_OP:
643
644 Status = AcpiDsCreateNode (WalkState, Node, Op);
645 break;
646
647
648 case AML_METHOD_OP:
649 /*
650 * MethodOp PkgLength NameString MethodFlags TermList
651 *
652 * Note: We must create the method node/object pair as soon as we
653 * see the method declaration. This allows later pass1 parsing
654 * of invocations of the method (need to know the number of
655 * arguments.)
656 */
657 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
658 "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
659 WalkState, Op, Op->Named.Node));
660
661 if (!AcpiNsGetAttachedObject (Op->Named.Node))
662 {
663 WalkState->Operands[0] = ACPI_CAST_PTR (void, Op->Named.Node);
664 WalkState->NumOperands = 1;
665
666 Status = AcpiDsCreateOperands (WalkState, Op->Common.Value.Arg);
667 if (ACPI_SUCCESS (Status))
668 {
669 Status = AcpiExCreateMethod (Op->Named.Data,
670 Op->Named.Length, WalkState);
671 }
672 WalkState->Operands[0] = NULL;
673 WalkState->NumOperands = 0;
674
675 if (ACPI_FAILURE (Status))
676 {
677 return_ACPI_STATUS (Status);
678 }
679 }
680 break;
681
682 #endif /* ACPI_NO_METHOD_EXECUTION */
683
684 default:
685 /* All NAMED_COMPLEX opcodes must be handled above */
686 break;
687 }
688 break;
689
690
691 case AML_CLASS_INTERNAL:
692
693 /* case AML_INT_NAMEPATH_OP: */
694 break;
695
696
697 case AML_CLASS_METHOD_CALL:
698
699 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
700 "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n",
701 WalkState, Op, Node));
702
703 /*
704 * Lookup the method name and save the Node
705 */
706 Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.String,
707 ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS2,
708 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
709 WalkState, &(NewNode));
710 if (ACPI_SUCCESS (Status))
711 {
712 /*
713 * Make sure that what we found is indeed a method
714 * We didn't search for a method on purpose, to see if the name
715 * would resolve
716 */
717 if (NewNode->Type != ACPI_TYPE_METHOD)
718 {
719 Status = AE_AML_OPERAND_TYPE;
720 }
721
722 /* We could put the returned object (Node) on the object stack for
723 * later, but for now, we will put it in the "op" object that the
724 * parser uses, so we can get it again at the end of this scope
725 */
726 Op->Common.Node = NewNode;
727 }
728 else
729 {
730 ACPI_ERROR_NAMESPACE (Arg->Common.Value.String, Status);
731 }
732 break;
733
734
735 default:
736 break;
737 }
738
739 Cleanup:
740
741 /* Remove the Node pushed at the very beginning */
742
743 WalkState->Operands[0] = NULL;
744 WalkState->NumOperands = 0;
745 return_ACPI_STATUS (Status);
746 }
747
|
1 /******************************************************************************
2 *
3 * Module Name: dswload2 - Dispatcher second pass namespace load callbacks
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2013, 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.
219 case ACPI_TYPE_POWER:
220 case ACPI_TYPE_PROCESSOR:
221 case ACPI_TYPE_THERMAL:
222
223 /* These are acceptable types */
224 break;
225
226 case ACPI_TYPE_INTEGER:
227 case ACPI_TYPE_STRING:
228 case ACPI_TYPE_BUFFER:
229
230 /*
231 * These types we will allow, but we will change the type.
232 * This enables some existing code of the form:
233 *
234 * Name (DEB, 0)
235 * Scope (DEB) { ... }
236 */
237 ACPI_WARNING ((AE_INFO,
238 "Type override - [%4.4s] had invalid type (%s) "
239 "for Scope operator, changed to type ANY",
240 AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Node->Type)));
241
242 Node->Type = ACPI_TYPE_ANY;
243 WalkState->ScopeInfo->Common.Value = ACPI_TYPE_ANY;
244 break;
245
246 case ACPI_TYPE_METHOD:
247
248 /*
249 * Allow scope change to root during execution of module-level
250 * code. Root is typed METHOD during this time.
251 */
252 if ((Node == AcpiGbl_RootNode) &&
253 (WalkState->ParseFlags & ACPI_PARSE_MODULE_LEVEL))
254 {
255 break;
256 }
257
258 /*lint -fallthrough */
259
260 default:
261
262 /* All other types are an error */
263
264 ACPI_ERROR ((AE_INFO,
265 "Invalid type (%s) for target of "
266 "Scope operator [%4.4s] (Cannot override)",
267 AcpiUtGetTypeName (Node->Type), AcpiUtGetNodeName (Node)));
268
269 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
270 }
271 break;
272
273 default:
274
275 /* All other opcodes */
276
277 if (Op && Op->Common.Node)
278 {
279 /* This op/node was previously entered into the namespace */
280
281 Node = Op->Common.Node;
282
283 if (AcpiNsOpensScope (ObjectType))
284 {
285 Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState);
286 if (ACPI_FAILURE (Status))
287 {
288 return_ACPI_STATUS (Status);
289 }
479 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
480 "Create-Load [%s] State=%p Op=%p NamedObj=%p\n",
481 AcpiPsGetOpcodeName (Op->Common.AmlOpcode), WalkState, Op, Node));
482
483 /* Decode the opcode */
484
485 Arg = Op->Common.Value.Arg;
486
487 switch (WalkState->OpInfo->Type)
488 {
489 #ifndef ACPI_NO_METHOD_EXECUTION
490
491 case AML_TYPE_CREATE_FIELD:
492 /*
493 * Create the field object, but the field buffer and index must
494 * be evaluated later during the execution phase
495 */
496 Status = AcpiDsCreateBufferField (Op, WalkState);
497 break;
498
499 case AML_TYPE_NAMED_FIELD:
500 /*
501 * If we are executing a method, initialize the field
502 */
503 if (WalkState->MethodNode)
504 {
505 Status = AcpiDsInitFieldObjects (Op, WalkState);
506 }
507
508 switch (Op->Common.AmlOpcode)
509 {
510 case AML_INDEX_FIELD_OP:
511
512 Status = AcpiDsCreateIndexField (Op, (ACPI_HANDLE) Arg->Common.Node,
513 WalkState);
514 break;
515
516 case AML_BANK_FIELD_OP:
517
518 Status = AcpiDsCreateBankField (Op, Arg->Common.Node, WalkState);
519 break;
520
521 case AML_FIELD_OP:
522
523 Status = AcpiDsCreateField (Op, Arg->Common.Node, WalkState);
524 break;
525
526 default:
527
528 /* All NAMED_FIELD opcodes must be handled above */
529 break;
530 }
531 break;
532
533 case AML_TYPE_NAMED_SIMPLE:
534
535 Status = AcpiDsCreateOperands (WalkState, Arg);
536 if (ACPI_FAILURE (Status))
537 {
538 goto Cleanup;
539 }
540
541 switch (Op->Common.AmlOpcode)
542 {
543 case AML_PROCESSOR_OP:
544
545 Status = AcpiExCreateProcessor (WalkState);
546 break;
547
548 case AML_POWER_RES_OP:
549
550 Status = AcpiExCreatePowerResource (WalkState);
551 break;
552
553 case AML_MUTEX_OP:
554
555 Status = AcpiExCreateMutex (WalkState);
556 break;
557
558 case AML_EVENT_OP:
559
560 Status = AcpiExCreateEvent (WalkState);
561 break;
562
563 case AML_ALIAS_OP:
564
565 Status = AcpiExCreateAlias (WalkState);
566 break;
567
568 default:
569
570 /* Unknown opcode */
571
572 Status = AE_OK;
573 goto Cleanup;
574 }
575
576 /* Delete operands */
577
578 for (i = 1; i < WalkState->NumOperands; i++)
579 {
580 AcpiUtRemoveReference (WalkState->Operands[i]);
581 WalkState->Operands[i] = NULL;
582 }
583
584 break;
585 #endif /* ACPI_NO_METHOD_EXECUTION */
586
587 case AML_TYPE_NAMED_COMPLEX:
588
589 switch (Op->Common.AmlOpcode)
607 * argument is the SpaceId. (We must save the address of the
608 * AML of the address and length operands)
609 *
610 * If we have a valid region, initialize it. The namespace is
611 * unlocked at this point.
612 *
613 * Need to unlock interpreter if it is locked (if we are running
614 * a control method), in order to allow _REG methods to be run
615 * during AcpiEvInitializeRegion.
616 */
617 if (WalkState->MethodNode)
618 {
619 /*
620 * Executing a method: initialize the region and unlock
621 * the interpreter
622 */
623 Status = AcpiExCreateRegion (Op->Named.Data, Op->Named.Length,
624 RegionSpace, WalkState);
625 if (ACPI_FAILURE (Status))
626 {
627 return_ACPI_STATUS (Status);
628 }
629
630 AcpiExExitInterpreter ();
631 }
632
633 Status = AcpiEvInitializeRegion (AcpiNsGetAttachedObject (Node),
634 FALSE);
635 if (WalkState->MethodNode)
636 {
637 AcpiExEnterInterpreter ();
638 }
639
640 if (ACPI_FAILURE (Status))
641 {
642 /*
643 * If AE_NOT_EXIST is returned, it is not fatal
644 * because many regions get created before a handler
645 * is installed for said region.
646 */
647 if (AE_NOT_EXIST == Status)
648 {
649 Status = AE_OK;
650 }
651 }
652 break;
653
654 case AML_NAME_OP:
655
656 Status = AcpiDsCreateNode (WalkState, Node, Op);
657 break;
658
659 case AML_METHOD_OP:
660 /*
661 * MethodOp PkgLength NameString MethodFlags TermList
662 *
663 * Note: We must create the method node/object pair as soon as we
664 * see the method declaration. This allows later pass1 parsing
665 * of invocations of the method (need to know the number of
666 * arguments.)
667 */
668 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
669 "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
670 WalkState, Op, Op->Named.Node));
671
672 if (!AcpiNsGetAttachedObject (Op->Named.Node))
673 {
674 WalkState->Operands[0] = ACPI_CAST_PTR (void, Op->Named.Node);
675 WalkState->NumOperands = 1;
676
677 Status = AcpiDsCreateOperands (WalkState, Op->Common.Value.Arg);
678 if (ACPI_SUCCESS (Status))
679 {
680 Status = AcpiExCreateMethod (Op->Named.Data,
681 Op->Named.Length, WalkState);
682 }
683 WalkState->Operands[0] = NULL;
684 WalkState->NumOperands = 0;
685
686 if (ACPI_FAILURE (Status))
687 {
688 return_ACPI_STATUS (Status);
689 }
690 }
691 break;
692
693 #endif /* ACPI_NO_METHOD_EXECUTION */
694
695 default:
696
697 /* All NAMED_COMPLEX opcodes must be handled above */
698 break;
699 }
700 break;
701
702 case AML_CLASS_INTERNAL:
703
704 /* case AML_INT_NAMEPATH_OP: */
705 break;
706
707 case AML_CLASS_METHOD_CALL:
708
709 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
710 "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n",
711 WalkState, Op, Node));
712
713 /*
714 * Lookup the method name and save the Node
715 */
716 Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.String,
717 ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS2,
718 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
719 WalkState, &(NewNode));
720 if (ACPI_SUCCESS (Status))
721 {
722 /*
723 * Make sure that what we found is indeed a method
724 * We didn't search for a method on purpose, to see if the name
725 * would resolve
726 */
727 if (NewNode->Type != ACPI_TYPE_METHOD)
728 {
729 Status = AE_AML_OPERAND_TYPE;
730 }
731
732 /* We could put the returned object (Node) on the object stack for
733 * later, but for now, we will put it in the "op" object that the
734 * parser uses, so we can get it again at the end of this scope
735 */
736 Op->Common.Node = NewNode;
737 }
738 else
739 {
740 ACPI_ERROR_NAMESPACE (Arg->Common.Value.String, Status);
741 }
742 break;
743
744
745 default:
746
747 break;
748 }
749
750 Cleanup:
751
752 /* Remove the Node pushed at the very beginning */
753
754 WalkState->Operands[0] = NULL;
755 WalkState->NumOperands = 0;
756 return_ACPI_STATUS (Status);
757 }
|