1 /******************************************************************************
2 *
3 * Module Name: dswload2 - Dispatcher second pass namespace load callbacks
4 *
5 *****************************************************************************/
6
7 /******************************************************************************
8 *
9 * 1. Copyright Notice
10 *
11 * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12 * All rights reserved.
13 *
14 * 2. License
15 *
16 * 2.1. This is your license from Intel Corp. under its intellectual property
17 * rights. You may have additional license terms from the party that provided
18 * you this software, covering your right to use that party's intellectual
19 * property rights.
20 *
21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22 * copy of the source code appearing in this file ("Covered Code") an
23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24 * base code distributed originally by Intel ("Original Intel Code") to copy,
25 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
27 *
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code. No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
36 *
37 * The above copyright and patent license is granted only if the following
38 * conditions are met:
39 *
40 * 3. Conditions
41 *
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision. In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change. Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee. Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
53 *
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution. In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
64 * make.
65 *
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
70 * distribution.
71 *
72 * 3.4. Intel retains all right, title, and interest in and to the Original
73 * Intel Code.
74 *
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
79 *
80 * 4. Disclaimer and Export Compliance
81 *
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88 * PARTICULAR PURPOSE.
89 *
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97 * LIMITED REMEDY.
98 *
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government. In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
113 *
114 *****************************************************************************
115 *
116 * Alternatively, you may choose to be licensed under the terms of the
117 * following license:
118 *
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
121 * are met:
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
133 *
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145 *
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
149 *
150 *****************************************************************************/
151
152 #include <contrib/dev/acpica/include/acpi.h>
153 #include <contrib/dev/acpica/include/accommon.h>
154 #include <contrib/dev/acpica/include/acparser.h>
155 #include <contrib/dev/acpica/include/amlcode.h>
156 #include <contrib/dev/acpica/include/acdispat.h>
157 #include <contrib/dev/acpica/include/acinterp.h>
158 #include <contrib/dev/acpica/include/acnamesp.h>
159 #include <contrib/dev/acpica/include/acevents.h>
160
161 #define _COMPONENT ACPI_DISPATCHER
162 ACPI_MODULE_NAME ("dswload2")
163
164
165 /*******************************************************************************
166 *
167 * FUNCTION: AcpiDsLoad2BeginOp
168 *
169 * PARAMETERS: WalkState - Current state of the parse tree walk
170 * OutOp - Wher to return op if a new one is created
171 *
172 * RETURN: Status
173 *
174 * DESCRIPTION: Descending callback used during the loading of ACPI tables.
175 *
176 ******************************************************************************/
177
178 ACPI_STATUS
AcpiDsLoad2BeginOp(ACPI_WALK_STATE * WalkState,ACPI_PARSE_OBJECT ** OutOp)179 AcpiDsLoad2BeginOp (
180 ACPI_WALK_STATE *WalkState,
181 ACPI_PARSE_OBJECT **OutOp)
182 {
183 ACPI_PARSE_OBJECT *Op;
184 ACPI_NAMESPACE_NODE *Node;
185 ACPI_STATUS Status;
186 ACPI_OBJECT_TYPE ObjectType;
187 char *BufferPtr;
188 UINT32 Flags;
189
190
191 ACPI_FUNCTION_TRACE (DsLoad2BeginOp);
192
193
194 Op = WalkState->Op;
195 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState));
196
197 if (Op)
198 {
199 if ((WalkState->ControlState) &&
200 (WalkState->ControlState->Common.State ==
201 ACPI_CONTROL_CONDITIONAL_EXECUTING))
202 {
203 /* We are executing a while loop outside of a method */
204
205 Status = AcpiDsExecBeginOp (WalkState, OutOp);
206 return_ACPI_STATUS (Status);
207 }
208
209 /* We only care about Namespace opcodes here */
210
211 if ((!(WalkState->OpInfo->Flags & AML_NSOPCODE) &&
212 (WalkState->Opcode != AML_INT_NAMEPATH_OP)) ||
213 (!(WalkState->OpInfo->Flags & AML_NAMED)))
214 {
215 return_ACPI_STATUS (AE_OK);
216 }
217
218 /* Get the name we are going to enter or lookup in the namespace */
219
220 if (WalkState->Opcode == AML_INT_NAMEPATH_OP)
221 {
222 /* For Namepath op, get the path string */
223
224 BufferPtr = Op->Common.Value.String;
225 if (!BufferPtr)
226 {
227 /* No name, just exit */
228
229 return_ACPI_STATUS (AE_OK);
230 }
231 }
232 else
233 {
234 /* Get name from the op */
235
236 BufferPtr = ACPI_CAST_PTR (char, &Op->Named.Name);
237 }
238 }
239 else
240 {
241 /* Get the namestring from the raw AML */
242
243 BufferPtr = AcpiPsGetNextNamestring (&WalkState->ParserState);
244 }
245
246 /* Map the opcode into an internal object type */
247
248 ObjectType = WalkState->OpInfo->ObjectType;
249
250 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
251 "State=%p Op=%p Type=%X\n", WalkState, Op, ObjectType));
252
253 switch (WalkState->Opcode)
254 {
255 case AML_FIELD_OP:
256 case AML_BANK_FIELD_OP:
257 case AML_INDEX_FIELD_OP:
258
259 Node = NULL;
260 Status = AE_OK;
261 break;
262
263 case AML_INT_NAMEPATH_OP:
264 /*
265 * The NamePath is an object reference to an existing object.
266 * Don't enter the name into the namespace, but look it up
267 * for use later.
268 */
269 Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType,
270 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
271 WalkState, &(Node));
272 break;
273
274 case AML_SCOPE_OP:
275
276 /* Special case for Scope(\) -> refers to the Root node */
277
278 if (Op && (Op->Named.Node == AcpiGbl_RootNode))
279 {
280 Node = Op->Named.Node;
281
282 Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState);
283 if (ACPI_FAILURE (Status))
284 {
285 return_ACPI_STATUS (Status);
286 }
287 }
288 else
289 {
290 /*
291 * The Path is an object reference to an existing object.
292 * Don't enter the name into the namespace, but look it up
293 * for use later.
294 */
295 Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType,
296 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
297 WalkState, &(Node));
298 if (ACPI_FAILURE (Status))
299 {
300 #ifdef ACPI_ASL_COMPILER
301 if (Status == AE_NOT_FOUND)
302 {
303 Status = AE_OK;
304 }
305 else
306 {
307 ACPI_ERROR_NAMESPACE (WalkState->ScopeInfo,
308 BufferPtr, Status);
309 }
310 #else
311 ACPI_ERROR_NAMESPACE (WalkState->ScopeInfo,
312 BufferPtr, Status);
313 #endif
314 return_ACPI_STATUS (Status);
315 }
316 }
317
318 /*
319 * We must check to make sure that the target is
320 * one of the opcodes that actually opens a scope
321 */
322 switch (Node->Type)
323 {
324 case ACPI_TYPE_ANY:
325 case ACPI_TYPE_LOCAL_SCOPE: /* Scope */
326 case ACPI_TYPE_DEVICE:
327 case ACPI_TYPE_POWER:
328 case ACPI_TYPE_PROCESSOR:
329 case ACPI_TYPE_THERMAL:
330
331 /* These are acceptable types */
332 break;
333
334 case ACPI_TYPE_INTEGER:
335 case ACPI_TYPE_STRING:
336 case ACPI_TYPE_BUFFER:
337
338 /*
339 * These types we will allow, but we will change the type.
340 * This enables some existing code of the form:
341 *
342 * Name (DEB, 0)
343 * Scope (DEB) { ... }
344 */
345 ACPI_WARNING ((AE_INFO,
346 "Type override - [%4.4s] had invalid type (%s) "
347 "for Scope operator, changed to type ANY",
348 AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Node->Type)));
349
350 Node->Type = ACPI_TYPE_ANY;
351 WalkState->ScopeInfo->Common.Value = ACPI_TYPE_ANY;
352 break;
353
354 case ACPI_TYPE_METHOD:
355
356 /*
357 * Allow scope change to root during execution of module-level
358 * code. Root is typed METHOD during this time.
359 */
360 if ((Node == AcpiGbl_RootNode) &&
361 (WalkState->ParseFlags & ACPI_PARSE_MODULE_LEVEL))
362 {
363 break;
364 }
365
366 /*lint -fallthrough */
367
368 default:
369
370 /* All other types are an error */
371
372 ACPI_ERROR ((AE_INFO,
373 "Invalid type (%s) for target of "
374 "Scope operator [%4.4s] (Cannot override)",
375 AcpiUtGetTypeName (Node->Type), AcpiUtGetNodeName (Node)));
376
377 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
378 }
379 break;
380
381 default:
382
383 /* All other opcodes */
384
385 if (Op && Op->Common.Node)
386 {
387 /* This op/node was previously entered into the namespace */
388
389 Node = Op->Common.Node;
390
391 if (AcpiNsOpensScope (ObjectType))
392 {
393 Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState);
394 if (ACPI_FAILURE (Status))
395 {
396 return_ACPI_STATUS (Status);
397 }
398 }
399
400 return_ACPI_STATUS (AE_OK);
401 }
402
403 /*
404 * Enter the named type into the internal namespace. We enter the name
405 * as we go downward in the parse tree. Any necessary subobjects that
406 * involve arguments to the opcode must be created as we go back up the
407 * parse tree later.
408 *
409 * Note: Name may already exist if we are executing a deferred opcode.
410 */
411 if (WalkState->DeferredNode)
412 {
413 /* This name is already in the namespace, get the node */
414
415 Node = WalkState->DeferredNode;
416 Status = AE_OK;
417 break;
418 }
419
420 Flags = ACPI_NS_NO_UPSEARCH;
421 if (WalkState->PassNumber == ACPI_IMODE_EXECUTE)
422 {
423 /* Execution mode, node cannot already exist, node is temporary */
424
425 Flags |= ACPI_NS_ERROR_IF_FOUND;
426
427 if (!(WalkState->ParseFlags & ACPI_PARSE_MODULE_LEVEL))
428 {
429 Flags |= ACPI_NS_TEMPORARY;
430 }
431 }
432
433 #ifdef ACPI_ASL_COMPILER
434
435 /*
436 * Do not open a scope for AML_EXTERNAL_OP
437 * AcpiNsLookup can open a new scope based on the object type
438 * of this op. AML_EXTERNAL_OP is a declaration rather than a
439 * definition. In the case that this external is a method object,
440 * AcpiNsLookup will open a new scope. However, an AML_EXTERNAL_OP
441 * associated with the ACPI_TYPE_METHOD is a declaration, rather than
442 * a definition. Flags is set to avoid opening a scope for any
443 * AML_EXTERNAL_OP.
444 */
445 if (WalkState->Opcode == AML_EXTERNAL_OP)
446 {
447 Flags |= ACPI_NS_DONT_OPEN_SCOPE;
448 }
449 #endif
450
451 /*
452 * For name creation opcodes, the full namepath prefix must
453 * exist, except for the final (new) nameseg.
454 */
455 if (WalkState->OpInfo->Flags & AML_NAMED)
456 {
457 Flags |= ACPI_NS_PREFIX_MUST_EXIST;
458 }
459
460 /* Add new entry or lookup existing entry */
461
462 Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType,
463 ACPI_IMODE_LOAD_PASS2, Flags, WalkState, &Node);
464
465 if (ACPI_SUCCESS (Status) && (Flags & ACPI_NS_TEMPORARY))
466 {
467 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
468 "***New Node [%4.4s] %p is temporary\n",
469 AcpiUtGetNodeName (Node), Node));
470 }
471 break;
472 }
473
474 if (ACPI_FAILURE (Status))
475 {
476 ACPI_ERROR_NAMESPACE (WalkState->ScopeInfo,
477 BufferPtr, Status);
478 return_ACPI_STATUS (Status);
479 }
480
481 if (!Op)
482 {
483 /* Create a new op */
484
485 Op = AcpiPsAllocOp (WalkState->Opcode, WalkState->Aml);
486 if (!Op)
487 {
488 return_ACPI_STATUS (AE_NO_MEMORY);
489 }
490
491 /* Initialize the new op */
492
493 if (Node)
494 {
495 Op->Named.Name = Node->Name.Integer;
496 }
497 *OutOp = Op;
498 }
499
500 /*
501 * Put the Node in the "op" object that the parser uses, so we
502 * can get it again quickly when this scope is closed
503 */
504 Op->Common.Node = Node;
505 return_ACPI_STATUS (Status);
506 }
507
508
509 /*******************************************************************************
510 *
511 * FUNCTION: AcpiDsLoad2EndOp
512 *
513 * PARAMETERS: WalkState - Current state of the parse tree walk
514 *
515 * RETURN: Status
516 *
517 * DESCRIPTION: Ascending callback used during the loading of the namespace,
518 * both control methods and everything else.
519 *
520 ******************************************************************************/
521
522 ACPI_STATUS
AcpiDsLoad2EndOp(ACPI_WALK_STATE * WalkState)523 AcpiDsLoad2EndOp (
524 ACPI_WALK_STATE *WalkState)
525 {
526 ACPI_PARSE_OBJECT *Op;
527 ACPI_STATUS Status = AE_OK;
528 ACPI_OBJECT_TYPE ObjectType;
529 ACPI_NAMESPACE_NODE *Node;
530 ACPI_PARSE_OBJECT *Arg;
531 ACPI_NAMESPACE_NODE *NewNode;
532 UINT32 i;
533 UINT8 RegionSpace;
534
535
536 ACPI_FUNCTION_TRACE (DsLoad2EndOp);
537
538 Op = WalkState->Op;
539 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
540 WalkState->OpInfo->Name, Op, WalkState));
541
542 /* Check if opcode had an associated namespace object */
543
544 if (!(WalkState->OpInfo->Flags & AML_NSOBJECT))
545 {
546 return_ACPI_STATUS (AE_OK);
547 }
548
549 if (Op->Common.AmlOpcode == AML_SCOPE_OP)
550 {
551 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
552 "Ending scope Op=%p State=%p\n", Op, WalkState));
553 }
554
555 ObjectType = WalkState->OpInfo->ObjectType;
556
557 /*
558 * Get the Node/name from the earlier lookup
559 * (It was saved in the *op structure)
560 */
561 Node = Op->Common.Node;
562
563 /*
564 * Put the Node on the object stack (Contains the ACPI Name of
565 * this object)
566 */
567 WalkState->Operands[0] = (void *) Node;
568 WalkState->NumOperands = 1;
569
570 /* Pop the scope stack */
571
572 if (AcpiNsOpensScope (ObjectType) &&
573 (Op->Common.AmlOpcode != AML_INT_METHODCALL_OP))
574 {
575 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n",
576 AcpiUtGetTypeName (ObjectType), Op));
577
578 Status = AcpiDsScopeStackPop (WalkState);
579 if (ACPI_FAILURE (Status))
580 {
581 goto Cleanup;
582 }
583 }
584
585 /*
586 * Named operations are as follows:
587 *
588 * AML_ALIAS
589 * AML_BANKFIELD
590 * AML_CREATEBITFIELD
591 * AML_CREATEBYTEFIELD
592 * AML_CREATEDWORDFIELD
593 * AML_CREATEFIELD
594 * AML_CREATEQWORDFIELD
595 * AML_CREATEWORDFIELD
596 * AML_DATA_REGION
597 * AML_DEVICE
598 * AML_EVENT
599 * AML_FIELD
600 * AML_INDEXFIELD
601 * AML_METHOD
602 * AML_METHODCALL
603 * AML_MUTEX
604 * AML_NAME
605 * AML_NAMEDFIELD
606 * AML_OPREGION
607 * AML_POWERRES
608 * AML_PROCESSOR
609 * AML_SCOPE
610 * AML_THERMALZONE
611 */
612
613 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
614 "Create-Load [%s] State=%p Op=%p NamedObj=%p\n",
615 AcpiPsGetOpcodeName (Op->Common.AmlOpcode), WalkState, Op, Node));
616
617 /* Decode the opcode */
618
619 Arg = Op->Common.Value.Arg;
620
621 switch (WalkState->OpInfo->Type)
622 {
623
624 case AML_TYPE_CREATE_FIELD:
625 /*
626 * Create the field object, but the field buffer and index must
627 * be evaluated later during the execution phase
628 */
629 Status = AcpiDsCreateBufferField (Op, WalkState);
630 break;
631
632 case AML_TYPE_NAMED_FIELD:
633 /*
634 * If we are executing a method, initialize the field
635 */
636 if (WalkState->MethodNode)
637 {
638 Status = AcpiDsInitFieldObjects (Op, WalkState);
639 }
640
641 switch (Op->Common.AmlOpcode)
642 {
643 case AML_INDEX_FIELD_OP:
644
645 Status = AcpiDsCreateIndexField (
646 Op, (ACPI_HANDLE) Arg->Common.Node, WalkState);
647 break;
648
649 case AML_BANK_FIELD_OP:
650
651 Status = AcpiDsCreateBankField (Op, Arg->Common.Node, WalkState);
652 break;
653
654 case AML_FIELD_OP:
655
656 Status = AcpiDsCreateField (Op, Arg->Common.Node, WalkState);
657 break;
658
659 default:
660
661 /* All NAMED_FIELD opcodes must be handled above */
662 break;
663 }
664 break;
665
666 case AML_TYPE_NAMED_SIMPLE:
667
668 Status = AcpiDsCreateOperands (WalkState, Arg);
669 if (ACPI_FAILURE (Status))
670 {
671 goto Cleanup;
672 }
673
674 switch (Op->Common.AmlOpcode)
675 {
676 case AML_PROCESSOR_OP:
677
678 Status = AcpiExCreateProcessor (WalkState);
679 break;
680
681 case AML_POWER_RESOURCE_OP:
682
683 Status = AcpiExCreatePowerResource (WalkState);
684 break;
685
686 case AML_MUTEX_OP:
687
688 Status = AcpiExCreateMutex (WalkState);
689 break;
690
691 case AML_EVENT_OP:
692
693 Status = AcpiExCreateEvent (WalkState);
694 break;
695
696 case AML_ALIAS_OP:
697
698 Status = AcpiExCreateAlias (WalkState);
699 break;
700
701 default:
702
703 /* Unknown opcode */
704
705 Status = AE_OK;
706 goto Cleanup;
707 }
708
709 /* Delete operands */
710
711 for (i = 1; i < WalkState->NumOperands; i++)
712 {
713 AcpiUtRemoveReference (WalkState->Operands[i]);
714 WalkState->Operands[i] = NULL;
715 }
716
717 break;
718
719 case AML_TYPE_NAMED_COMPLEX:
720
721 switch (Op->Common.AmlOpcode)
722 {
723 case AML_REGION_OP:
724 case AML_DATA_REGION_OP:
725
726 if (Op->Common.AmlOpcode == AML_REGION_OP)
727 {
728 RegionSpace = (ACPI_ADR_SPACE_TYPE)
729 ((Op->Common.Value.Arg)->Common.Value.Integer);
730 }
731 else
732 {
733 RegionSpace = ACPI_ADR_SPACE_DATA_TABLE;
734 }
735
736 /*
737 * The OpRegion is not fully parsed at this time. The only valid
738 * argument is the SpaceId. (We must save the address of the
739 * AML of the address and length operands)
740 *
741 * If we have a valid region, initialize it. The namespace is
742 * unlocked at this point.
743 *
744 * Need to unlock interpreter if it is locked (if we are running
745 * a control method), in order to allow _REG methods to be run
746 * during AcpiEvInitializeRegion.
747 */
748 if (WalkState->MethodNode)
749 {
750 /*
751 * Executing a method: initialize the region and unlock
752 * the interpreter
753 */
754 Status = AcpiExCreateRegion (Op->Named.Data,
755 Op->Named.Length, RegionSpace, WalkState);
756 if (ACPI_FAILURE (Status))
757 {
758 return_ACPI_STATUS (Status);
759 }
760 }
761
762 Status = AcpiEvInitializeRegion (
763 AcpiNsGetAttachedObject (Node));
764 break;
765
766 case AML_NAME_OP:
767
768 Status = AcpiDsCreateNode (WalkState, Node, Op);
769 break;
770
771 case AML_METHOD_OP:
772 /*
773 * MethodOp PkgLength NameString MethodFlags TermList
774 *
775 * Note: We must create the method node/object pair as soon as we
776 * see the method declaration. This allows later pass1 parsing
777 * of invocations of the method (need to know the number of
778 * arguments.)
779 */
780 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
781 "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
782 WalkState, Op, Op->Named.Node));
783
784 if (!AcpiNsGetAttachedObject (Op->Named.Node))
785 {
786 WalkState->Operands[0] = ACPI_CAST_PTR (void, Op->Named.Node);
787 WalkState->NumOperands = 1;
788
789 Status = AcpiDsCreateOperands (
790 WalkState, Op->Common.Value.Arg);
791 if (ACPI_SUCCESS (Status))
792 {
793 Status = AcpiExCreateMethod (
794 Op->Named.Data, Op->Named.Length, WalkState);
795 }
796
797 WalkState->Operands[0] = NULL;
798 WalkState->NumOperands = 0;
799
800 if (ACPI_FAILURE (Status))
801 {
802 return_ACPI_STATUS (Status);
803 }
804 }
805 break;
806
807
808 default:
809
810 /* All NAMED_COMPLEX opcodes must be handled above */
811 break;
812 }
813 break;
814
815 case AML_CLASS_INTERNAL:
816
817 /* case AML_INT_NAMEPATH_OP: */
818 break;
819
820 case AML_CLASS_METHOD_CALL:
821
822 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
823 "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n",
824 WalkState, Op, Node));
825
826 /*
827 * Lookup the method name and save the Node
828 */
829 Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.String,
830 ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS2,
831 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
832 WalkState, &(NewNode));
833 if (ACPI_SUCCESS (Status))
834 {
835 /*
836 * Make sure that what we found is indeed a method
837 * We didn't search for a method on purpose, to see if the name
838 * would resolve
839 */
840 if (NewNode->Type != ACPI_TYPE_METHOD)
841 {
842 Status = AE_AML_OPERAND_TYPE;
843 }
844
845 /* We could put the returned object (Node) on the object stack for
846 * later, but for now, we will put it in the "op" object that the
847 * parser uses, so we can get it again at the end of this scope
848 */
849 Op->Common.Node = NewNode;
850 }
851 else
852 {
853 ACPI_ERROR_NAMESPACE (WalkState->ScopeInfo,
854 Arg->Common.Value.String, Status);
855 }
856 break;
857
858
859 default:
860
861 break;
862 }
863
864 Cleanup:
865
866 /* Remove the Node pushed at the very beginning */
867
868 WalkState->Operands[0] = NULL;
869 WalkState->NumOperands = 0;
870 return_ACPI_STATUS (Status);
871 }
872