1 /******************************************************************************
2 *
3 * Module Name: exoparg2 - AML execution - opcodes with 2 arguments
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 "acpi.h"
153 #include "accommon.h"
154 #include "acparser.h"
155 #include "acinterp.h"
156 #include "acevents.h"
157 #include "amlcode.h"
158
159
160 #define _COMPONENT ACPI_EXECUTER
161 ACPI_MODULE_NAME ("exoparg2")
162
163
164 /*!
165 * Naming convention for AML interpreter execution routines.
166 *
167 * The routines that begin execution of AML opcodes are named with a common
168 * convention based upon the number of arguments, the number of target operands,
169 * and whether or not a value is returned:
170 *
171 * AcpiExOpcode_xA_yT_zR
172 *
173 * Where:
174 *
175 * xA - ARGUMENTS: The number of arguments (input operands) that are
176 * required for this opcode type (1 through 6 args).
177 * yT - TARGETS: The number of targets (output operands) that are required
178 * for this opcode type (0, 1, or 2 targets).
179 * zR - RETURN VALUE: Indicates whether this opcode type returns a value
180 * as the function return (0 or 1).
181 *
182 * The AcpiExOpcode* functions are called via the Dispatcher component with
183 * fully resolved operands.
184 !*/
185
186
187 /*******************************************************************************
188 *
189 * FUNCTION: AcpiExOpcode_2A_0T_0R
190 *
191 * PARAMETERS: WalkState - Current walk state
192 *
193 * RETURN: Status
194 *
195 * DESCRIPTION: Execute opcode with two arguments, no target, and no return
196 * value.
197 *
198 * ALLOCATION: Deletes both operands
199 *
200 ******************************************************************************/
201
202 ACPI_STATUS
AcpiExOpcode_2A_0T_0R(ACPI_WALK_STATE * WalkState)203 AcpiExOpcode_2A_0T_0R (
204 ACPI_WALK_STATE *WalkState)
205 {
206 ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
207 ACPI_NAMESPACE_NODE *Node;
208 UINT32 Value;
209 ACPI_STATUS Status = AE_OK;
210
211
212 ACPI_FUNCTION_TRACE_STR (ExOpcode_2A_0T_0R,
213 AcpiPsGetOpcodeName (WalkState->Opcode));
214
215
216 /* Examine the opcode */
217
218 switch (WalkState->Opcode)
219 {
220 case AML_NOTIFY_OP: /* Notify (NotifyObject, NotifyValue) */
221
222 /* The first operand is a namespace node */
223
224 Node = (ACPI_NAMESPACE_NODE *) Operand[0];
225
226 /* Second value is the notify value */
227
228 Value = (UINT32) Operand[1]->Integer.Value;
229
230 /* Are notifies allowed on this object? */
231
232 if (!AcpiEvIsNotifyObject (Node))
233 {
234 ACPI_ERROR ((AE_INFO,
235 "Unexpected notify object type [%s]",
236 AcpiUtGetTypeName (Node->Type)));
237
238 Status = AE_AML_OPERAND_TYPE;
239 break;
240 }
241
242 /*
243 * Dispatch the notify to the appropriate handler
244 * NOTE: the request is queued for execution after this method
245 * completes. The notify handlers are NOT invoked synchronously
246 * from this thread -- because handlers may in turn run other
247 * control methods.
248 */
249 Status = AcpiEvQueueNotifyRequest (Node, Value);
250 break;
251
252 default:
253
254 ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
255 WalkState->Opcode));
256 Status = AE_AML_BAD_OPCODE;
257 }
258
259 return_ACPI_STATUS (Status);
260 }
261
262
263 /*******************************************************************************
264 *
265 * FUNCTION: AcpiExOpcode_2A_2T_1R
266 *
267 * PARAMETERS: WalkState - Current walk state
268 *
269 * RETURN: Status
270 *
271 * DESCRIPTION: Execute a dyadic operator (2 operands) with 2 output targets
272 * and one implicit return value.
273 *
274 ******************************************************************************/
275
276 ACPI_STATUS
AcpiExOpcode_2A_2T_1R(ACPI_WALK_STATE * WalkState)277 AcpiExOpcode_2A_2T_1R (
278 ACPI_WALK_STATE *WalkState)
279 {
280 ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
281 ACPI_OPERAND_OBJECT *ReturnDesc1 = NULL;
282 ACPI_OPERAND_OBJECT *ReturnDesc2 = NULL;
283 ACPI_STATUS Status;
284
285
286 ACPI_FUNCTION_TRACE_STR (ExOpcode_2A_2T_1R,
287 AcpiPsGetOpcodeName (WalkState->Opcode));
288
289
290 /* Execute the opcode */
291
292 switch (WalkState->Opcode)
293 {
294 case AML_DIVIDE_OP:
295
296 /* Divide (Dividend, Divisor, RemainderResult QuotientResult) */
297
298 ReturnDesc1 = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
299 if (!ReturnDesc1)
300 {
301 Status = AE_NO_MEMORY;
302 goto Cleanup;
303 }
304
305 ReturnDesc2 = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
306 if (!ReturnDesc2)
307 {
308 Status = AE_NO_MEMORY;
309 goto Cleanup;
310 }
311
312 /* Quotient to ReturnDesc1, remainder to ReturnDesc2 */
313
314 Status = AcpiUtDivide (
315 Operand[0]->Integer.Value,
316 Operand[1]->Integer.Value,
317 &ReturnDesc1->Integer.Value,
318 &ReturnDesc2->Integer.Value);
319 if (ACPI_FAILURE (Status))
320 {
321 goto Cleanup;
322 }
323 break;
324
325 default:
326
327 ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
328 WalkState->Opcode));
329
330 Status = AE_AML_BAD_OPCODE;
331 goto Cleanup;
332 }
333
334 /* Store the results to the target reference operands */
335
336 Status = AcpiExStore (ReturnDesc2, Operand[2], WalkState);
337 if (ACPI_FAILURE (Status))
338 {
339 goto Cleanup;
340 }
341
342 Status = AcpiExStore (ReturnDesc1, Operand[3], WalkState);
343 if (ACPI_FAILURE (Status))
344 {
345 goto Cleanup;
346 }
347
348 Cleanup:
349 /*
350 * Since the remainder is not returned indirectly, remove a reference to
351 * it. Only the quotient is returned indirectly.
352 */
353 AcpiUtRemoveReference (ReturnDesc2);
354
355 if (ACPI_FAILURE (Status))
356 {
357 /* Delete the return object */
358
359 AcpiUtRemoveReference (ReturnDesc1);
360 }
361
362 /* Save return object (the remainder) on success */
363
364 else
365 {
366 WalkState->ResultObj = ReturnDesc1;
367 }
368
369 return_ACPI_STATUS (Status);
370 }
371
372
373 /*******************************************************************************
374 *
375 * FUNCTION: AcpiExOpcode_2A_1T_1R
376 *
377 * PARAMETERS: WalkState - Current walk state
378 *
379 * RETURN: Status
380 *
381 * DESCRIPTION: Execute opcode with two arguments, one target, and a return
382 * value.
383 *
384 ******************************************************************************/
385
386 ACPI_STATUS
AcpiExOpcode_2A_1T_1R(ACPI_WALK_STATE * WalkState)387 AcpiExOpcode_2A_1T_1R (
388 ACPI_WALK_STATE *WalkState)
389 {
390 ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
391 ACPI_OPERAND_OBJECT *ReturnDesc = NULL;
392 UINT64 Index;
393 ACPI_STATUS Status = AE_OK;
394 ACPI_SIZE Length = 0;
395
396
397 ACPI_FUNCTION_TRACE_STR (ExOpcode_2A_1T_1R,
398 AcpiPsGetOpcodeName (WalkState->Opcode));
399
400
401 /* Execute the opcode */
402
403 if (WalkState->OpInfo->Flags & AML_MATH)
404 {
405 /* All simple math opcodes (add, etc.) */
406
407 ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
408 if (!ReturnDesc)
409 {
410 Status = AE_NO_MEMORY;
411 goto Cleanup;
412 }
413
414 ReturnDesc->Integer.Value = AcpiExDoMathOp (
415 WalkState->Opcode,
416 Operand[0]->Integer.Value,
417 Operand[1]->Integer.Value);
418 goto StoreResultToTarget;
419 }
420
421 switch (WalkState->Opcode)
422 {
423 case AML_MOD_OP: /* Mod (Dividend, Divisor, RemainderResult (ACPI 2.0) */
424
425 ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
426 if (!ReturnDesc)
427 {
428 Status = AE_NO_MEMORY;
429 goto Cleanup;
430 }
431
432 /* ReturnDesc will contain the remainder */
433
434 Status = AcpiUtDivide (
435 Operand[0]->Integer.Value,
436 Operand[1]->Integer.Value,
437 NULL,
438 &ReturnDesc->Integer.Value);
439 break;
440
441 case AML_CONCATENATE_OP: /* Concatenate (Data1, Data2, Result) */
442
443 Status = AcpiExDoConcatenate (
444 Operand[0], Operand[1], &ReturnDesc, WalkState);
445 break;
446
447 case AML_TO_STRING_OP: /* ToString (Buffer, Length, Result) (ACPI 2.0) */
448 /*
449 * Input object is guaranteed to be a buffer at this point (it may have
450 * been converted.) Copy the raw buffer data to a new object of
451 * type String.
452 */
453
454 /*
455 * Get the length of the new string. It is the smallest of:
456 * 1) Length of the input buffer
457 * 2) Max length as specified in the ToString operator
458 * 3) Length of input buffer up to a zero byte (null terminator)
459 *
460 * NOTE: A length of zero is ok, and will create a zero-length, null
461 * terminated string.
462 */
463 while ((Length < Operand[0]->Buffer.Length) &&
464 (Length < Operand[1]->Integer.Value) &&
465 (Operand[0]->Buffer.Pointer[Length]))
466 {
467 Length++;
468 }
469
470 /* Allocate a new string object */
471
472 ReturnDesc = AcpiUtCreateStringObject (Length);
473 if (!ReturnDesc)
474 {
475 Status = AE_NO_MEMORY;
476 goto Cleanup;
477 }
478
479 /*
480 * Copy the raw buffer data with no transform.
481 * (NULL terminated already)
482 */
483 memcpy (ReturnDesc->String.Pointer,
484 Operand[0]->Buffer.Pointer, Length);
485 break;
486
487 case AML_CONCATENATE_TEMPLATE_OP:
488
489 /* ConcatenateResTemplate (Buffer, Buffer, Result) (ACPI 2.0) */
490
491 Status = AcpiExConcatTemplate (
492 Operand[0], Operand[1], &ReturnDesc, WalkState);
493 break;
494
495 case AML_INDEX_OP: /* Index (Source Index Result) */
496
497 /* Create the internal return object */
498
499 ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_REFERENCE);
500 if (!ReturnDesc)
501 {
502 Status = AE_NO_MEMORY;
503 goto Cleanup;
504 }
505
506 /* Initialize the Index reference object */
507
508 Index = Operand[1]->Integer.Value;
509 ReturnDesc->Reference.Value = (UINT32) Index;
510 ReturnDesc->Reference.Class = ACPI_REFCLASS_INDEX;
511
512 /*
513 * At this point, the Source operand is a String, Buffer, or Package.
514 * Verify that the index is within range.
515 */
516 switch ((Operand[0])->Common.Type)
517 {
518 case ACPI_TYPE_STRING:
519
520 if (Index >= Operand[0]->String.Length)
521 {
522 Length = Operand[0]->String.Length;
523 Status = AE_AML_STRING_LIMIT;
524 }
525
526 ReturnDesc->Reference.TargetType = ACPI_TYPE_BUFFER_FIELD;
527 ReturnDesc->Reference.IndexPointer =
528 &(Operand[0]->Buffer.Pointer [Index]);
529 break;
530
531 case ACPI_TYPE_BUFFER:
532
533 if (Index >= Operand[0]->Buffer.Length)
534 {
535 Length = Operand[0]->Buffer.Length;
536 Status = AE_AML_BUFFER_LIMIT;
537 }
538
539 ReturnDesc->Reference.TargetType = ACPI_TYPE_BUFFER_FIELD;
540 ReturnDesc->Reference.IndexPointer =
541 &(Operand[0]->Buffer.Pointer [Index]);
542 break;
543
544 case ACPI_TYPE_PACKAGE:
545
546 if (Index >= Operand[0]->Package.Count)
547 {
548 Length = Operand[0]->Package.Count;
549 Status = AE_AML_PACKAGE_LIMIT;
550 }
551
552 ReturnDesc->Reference.TargetType = ACPI_TYPE_PACKAGE;
553 ReturnDesc->Reference.Where =
554 &Operand[0]->Package.Elements [Index];
555 break;
556
557 default:
558
559 ACPI_ERROR ((AE_INFO,
560 "Invalid object type: %X", (Operand[0])->Common.Type));
561 Status = AE_AML_INTERNAL;
562 goto Cleanup;
563 }
564
565 /* Failure means that the Index was beyond the end of the object */
566
567 if (ACPI_FAILURE (Status))
568 {
569 ACPI_EXCEPTION ((AE_INFO, Status,
570 "Index (0x%X%8.8X) is beyond end of object (length 0x%X)",
571 ACPI_FORMAT_UINT64 (Index), (UINT32) Length));
572 goto Cleanup;
573 }
574
575 /*
576 * Save the target object and add a reference to it for the life
577 * of the index
578 */
579 ReturnDesc->Reference.Object = Operand[0];
580 AcpiUtAddReference (Operand[0]);
581
582 /* Store the reference to the Target */
583
584 Status = AcpiExStore (ReturnDesc, Operand[2], WalkState);
585
586 /* Return the reference */
587
588 WalkState->ResultObj = ReturnDesc;
589 goto Cleanup;
590
591 default:
592
593 ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
594 WalkState->Opcode));
595 Status = AE_AML_BAD_OPCODE;
596 break;
597 }
598
599
600 StoreResultToTarget:
601
602 if (ACPI_SUCCESS (Status))
603 {
604 /*
605 * Store the result of the operation (which is now in ReturnDesc) into
606 * the Target descriptor.
607 */
608 Status = AcpiExStore (ReturnDesc, Operand[2], WalkState);
609 if (ACPI_FAILURE (Status))
610 {
611 goto Cleanup;
612 }
613
614 if (!WalkState->ResultObj)
615 {
616 WalkState->ResultObj = ReturnDesc;
617 }
618 }
619
620
621 Cleanup:
622
623 /* Delete return object on error */
624
625 if (ACPI_FAILURE (Status))
626 {
627 AcpiUtRemoveReference (ReturnDesc);
628 WalkState->ResultObj = NULL;
629 }
630
631 return_ACPI_STATUS (Status);
632 }
633
634
635 /*******************************************************************************
636 *
637 * FUNCTION: AcpiExOpcode_2A_0T_1R
638 *
639 * PARAMETERS: WalkState - Current walk state
640 *
641 * RETURN: Status
642 *
643 * DESCRIPTION: Execute opcode with 2 arguments, no target, and a return value
644 *
645 ******************************************************************************/
646
647 ACPI_STATUS
AcpiExOpcode_2A_0T_1R(ACPI_WALK_STATE * WalkState)648 AcpiExOpcode_2A_0T_1R (
649 ACPI_WALK_STATE *WalkState)
650 {
651 ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
652 ACPI_OPERAND_OBJECT *ReturnDesc = NULL;
653 ACPI_STATUS Status = AE_OK;
654 BOOLEAN LogicalResult = FALSE;
655
656
657 ACPI_FUNCTION_TRACE_STR (ExOpcode_2A_0T_1R,
658 AcpiPsGetOpcodeName (WalkState->Opcode));
659
660
661 /* Create the internal return object */
662
663 ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
664 if (!ReturnDesc)
665 {
666 Status = AE_NO_MEMORY;
667 goto Cleanup;
668 }
669
670 /* Execute the Opcode */
671
672 if (WalkState->OpInfo->Flags & AML_LOGICAL_NUMERIC)
673 {
674 /* LogicalOp (Operand0, Operand1) */
675
676 Status = AcpiExDoLogicalNumericOp (WalkState->Opcode,
677 Operand[0]->Integer.Value, Operand[1]->Integer.Value,
678 &LogicalResult);
679 goto StoreLogicalResult;
680 }
681 else if (WalkState->OpInfo->Flags & AML_LOGICAL)
682 {
683 /* LogicalOp (Operand0, Operand1) */
684
685 Status = AcpiExDoLogicalOp (WalkState->Opcode, Operand[0],
686 Operand[1], &LogicalResult);
687 goto StoreLogicalResult;
688 }
689
690 switch (WalkState->Opcode)
691 {
692 case AML_ACQUIRE_OP: /* Acquire (MutexObject, Timeout) */
693
694 Status = AcpiExAcquireMutex (Operand[1], Operand[0], WalkState);
695 if (Status == AE_TIME)
696 {
697 LogicalResult = TRUE; /* TRUE = Acquire timed out */
698 Status = AE_OK;
699 }
700 break;
701
702
703 case AML_WAIT_OP: /* Wait (EventObject, Timeout) */
704
705 Status = AcpiExSystemWaitEvent (Operand[1], Operand[0]);
706 if (Status == AE_TIME)
707 {
708 LogicalResult = TRUE; /* TRUE, Wait timed out */
709 Status = AE_OK;
710 }
711 break;
712
713 default:
714
715 ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
716 WalkState->Opcode));
717
718 Status = AE_AML_BAD_OPCODE;
719 goto Cleanup;
720 }
721
722
723 StoreLogicalResult:
724 /*
725 * Set return value to according to LogicalResult. logical TRUE (all ones)
726 * Default is FALSE (zero)
727 */
728 if (LogicalResult)
729 {
730 ReturnDesc->Integer.Value = ACPI_UINT64_MAX;
731 }
732
733 Cleanup:
734
735 /* Delete return object on error */
736
737 if (ACPI_FAILURE (Status))
738 {
739 AcpiUtRemoveReference (ReturnDesc);
740 }
741
742 /* Save return object on success */
743
744 else
745 {
746 WalkState->ResultObj = ReturnDesc;
747 }
748
749 return_ACPI_STATUS (Status);
750 }
751