Sync ACPICA with Intel's version 20150930.
[dragonfly.git] / sys / contrib / dev / acpica / source / components / debugger / dbexec.c
CommitLineData
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1/*******************************************************************************
2 *
3 * Module Name: dbexec - debugger control method execution
4 *
5 ******************************************************************************/
6
7/*
fe7b5cb4 8 * Copyright (C) 2000 - 2015, Intel Corp.
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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
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44#include "acpi.h"
45#include "accommon.h"
46#include "acdebug.h"
47#include "acnamesp.h"
48
49#ifdef ACPI_DEBUGGER
50
51#define _COMPONENT ACPI_CA_DEBUGGER
52 ACPI_MODULE_NAME ("dbexec")
53
54
55static ACPI_DB_METHOD_INFO AcpiGbl_DbMethodInfo;
56
57/* Local prototypes */
58
59static ACPI_STATUS
60AcpiDbExecuteMethod (
61 ACPI_DB_METHOD_INFO *Info,
62 ACPI_BUFFER *ReturnObj);
63
64static ACPI_STATUS
65AcpiDbExecuteSetup (
66 ACPI_DB_METHOD_INFO *Info);
67
68static UINT32
69AcpiDbGetOutstandingAllocations (
70 void);
71
72static void ACPI_SYSTEM_XFACE
73AcpiDbMethodThread (
74 void *Context);
75
76static ACPI_STATUS
77AcpiDbExecutionWalk (
78 ACPI_HANDLE ObjHandle,
79 UINT32 NestingLevel,
80 void *Context,
81 void **ReturnValue);
82
83
84/*******************************************************************************
85 *
86 * FUNCTION: AcpiDbDeleteObjects
87 *
88 * PARAMETERS: Count - Count of objects in the list
89 * Objects - Array of ACPI_OBJECTs to be deleted
90 *
91 * RETURN: None
92 *
93 * DESCRIPTION: Delete a list of ACPI_OBJECTS. Handles packages and nested
94 * packages via recursion.
95 *
96 ******************************************************************************/
97
98void
99AcpiDbDeleteObjects (
100 UINT32 Count,
101 ACPI_OBJECT *Objects)
102{
103 UINT32 i;
104
105
106 for (i = 0; i < Count; i++)
107 {
108 switch (Objects[i].Type)
109 {
110 case ACPI_TYPE_BUFFER:
111
112 ACPI_FREE (Objects[i].Buffer.Pointer);
113 break;
114
115 case ACPI_TYPE_PACKAGE:
116
117 /* Recursive call to delete package elements */
118
119 AcpiDbDeleteObjects (Objects[i].Package.Count,
120 Objects[i].Package.Elements);
121
122 /* Free the elements array */
123
124 ACPI_FREE (Objects[i].Package.Elements);
125 break;
126
127 default:
128
129 break;
130 }
131 }
132}
133
134
135/*******************************************************************************
136 *
137 * FUNCTION: AcpiDbExecuteMethod
138 *
139 * PARAMETERS: Info - Valid info segment
140 * ReturnObj - Where to put return object
141 *
142 * RETURN: Status
143 *
144 * DESCRIPTION: Execute a control method.
145 *
146 ******************************************************************************/
147
148static ACPI_STATUS
149AcpiDbExecuteMethod (
150 ACPI_DB_METHOD_INFO *Info,
151 ACPI_BUFFER *ReturnObj)
152{
153 ACPI_STATUS Status;
154 ACPI_OBJECT_LIST ParamObjects;
155 ACPI_OBJECT Params[ACPI_DEBUGGER_MAX_ARGS + 1];
156 UINT32 i;
157
158
159 ACPI_FUNCTION_TRACE (DbExecuteMethod);
160
161
162 if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel)
163 {
164 AcpiOsPrintf ("Warning: debug output is not enabled!\n");
165 }
166
167 ParamObjects.Count = 0;
168 ParamObjects.Pointer = NULL;
169
170 /* Pass through any command-line arguments */
171
172 if (Info->Args && Info->Args[0])
173 {
174 /* Get arguments passed on the command line */
175
176 for (i = 0; (Info->Args[i] && *(Info->Args[i])); i++)
177 {
178 /* Convert input string (token) to an actual ACPI_OBJECT */
179
180 Status = AcpiDbConvertToObject (Info->Types[i],
181 Info->Args[i], &Params[i]);
182 if (ACPI_FAILURE (Status))
183 {
184 ACPI_EXCEPTION ((AE_INFO, Status,
185 "While parsing method arguments"));
186 goto Cleanup;
187 }
188 }
189
190 ParamObjects.Count = i;
191 ParamObjects.Pointer = Params;
192 }
193
194 /* Prepare for a return object of arbitrary size */
195
196 ReturnObj->Pointer = AcpiGbl_DbBuffer;
197 ReturnObj->Length = ACPI_DEBUG_BUFFER_SIZE;
198
199 /* Do the actual method execution */
200
201 AcpiGbl_MethodExecuting = TRUE;
202 Status = AcpiEvaluateObject (NULL, Info->Pathname,
203 &ParamObjects, ReturnObj);
204
205 AcpiGbl_CmSingleStep = FALSE;
206 AcpiGbl_MethodExecuting = FALSE;
207
208 if (ACPI_FAILURE (Status))
209 {
210 ACPI_EXCEPTION ((AE_INFO, Status,
211 "while executing %s from debugger", Info->Pathname));
212
213 if (Status == AE_BUFFER_OVERFLOW)
214 {
215 ACPI_ERROR ((AE_INFO,
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216 "Possible overflow of internal debugger "
217 "buffer (size 0x%X needed 0x%X)",
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218 ACPI_DEBUG_BUFFER_SIZE, (UINT32) ReturnObj->Length));
219 }
220 }
221
222Cleanup:
223 AcpiDbDeleteObjects (ParamObjects.Count, Params);
224 return_ACPI_STATUS (Status);
225}
226
227
228/*******************************************************************************
229 *
230 * FUNCTION: AcpiDbExecuteSetup
231 *
232 * PARAMETERS: Info - Valid method info
233 *
234 * RETURN: None
235 *
236 * DESCRIPTION: Setup info segment prior to method execution
237 *
238 ******************************************************************************/
239
240static ACPI_STATUS
241AcpiDbExecuteSetup (
242 ACPI_DB_METHOD_INFO *Info)
243{
244 ACPI_STATUS Status;
245
246
247 ACPI_FUNCTION_NAME (DbExecuteSetup);
248
249
250 /* Catenate the current scope to the supplied name */
251
252 Info->Pathname[0] = 0;
253 if ((Info->Name[0] != '\\') &&
254 (Info->Name[0] != '/'))
255 {
256 if (AcpiUtSafeStrcat (Info->Pathname, sizeof (Info->Pathname),
257 AcpiGbl_DbScopeBuf))
258 {
259 Status = AE_BUFFER_OVERFLOW;
260 goto ErrorExit;
261 }
262 }
263
264 if (AcpiUtSafeStrcat (Info->Pathname, sizeof (Info->Pathname),
265 Info->Name))
266 {
267 Status = AE_BUFFER_OVERFLOW;
268 goto ErrorExit;
269 }
270
271 AcpiDbPrepNamestring (Info->Pathname);
272
273 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
274 AcpiOsPrintf ("Evaluating %s\n", Info->Pathname);
275
276 if (Info->Flags & EX_SINGLE_STEP)
277 {
278 AcpiGbl_CmSingleStep = TRUE;
279 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
280 }
281
282 else
283 {
284 /* No single step, allow redirection to a file */
285
286 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
287 }
288
289 return (AE_OK);
290
291ErrorExit:
292
293 ACPI_EXCEPTION ((AE_INFO, Status, "During setup for method execution"));
294 return (Status);
295}
296
297
298#ifdef ACPI_DBG_TRACK_ALLOCATIONS
299UINT32
300AcpiDbGetCacheInfo (
301 ACPI_MEMORY_LIST *Cache)
302{
303
304 return (Cache->TotalAllocated - Cache->TotalFreed - Cache->CurrentDepth);
305}
306#endif
307
308/*******************************************************************************
309 *
310 * FUNCTION: AcpiDbGetOutstandingAllocations
311 *
312 * PARAMETERS: None
313 *
314 * RETURN: Current global allocation count minus cache entries
315 *
316 * DESCRIPTION: Determine the current number of "outstanding" allocations --
317 * those allocations that have not been freed and also are not
318 * in one of the various object caches.
319 *
320 ******************************************************************************/
321
322static UINT32
323AcpiDbGetOutstandingAllocations (
324 void)
325{
326 UINT32 Outstanding = 0;
327
328#ifdef ACPI_DBG_TRACK_ALLOCATIONS
329
330 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_StateCache);
331 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeCache);
332 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeExtCache);
333 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_OperandCache);
334#endif
335
336 return (Outstanding);
337}
338
339
340/*******************************************************************************
341 *
342 * FUNCTION: AcpiDbExecutionWalk
343 *
344 * PARAMETERS: WALK_CALLBACK
345 *
346 * RETURN: Status
347 *
348 * DESCRIPTION: Execute a control method. Name is relative to the current
349 * scope.
350 *
351 ******************************************************************************/
352
353static ACPI_STATUS
354AcpiDbExecutionWalk (
355 ACPI_HANDLE ObjHandle,
356 UINT32 NestingLevel,
357 void *Context,
358 void **ReturnValue)
359{
360 ACPI_OPERAND_OBJECT *ObjDesc;
361 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
362 ACPI_BUFFER ReturnObj;
363 ACPI_STATUS Status;
364
365
366 ObjDesc = AcpiNsGetAttachedObject (Node);
367 if (ObjDesc->Method.ParamCount)
368 {
369 return (AE_OK);
370 }
371
372 ReturnObj.Pointer = NULL;
373 ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
374
375 AcpiNsPrintNodePathname (Node, "Evaluating");
376
377 /* Do the actual method execution */
378
379 AcpiOsPrintf ("\n");
380 AcpiGbl_MethodExecuting = TRUE;
381
382 Status = AcpiEvaluateObject (Node, NULL, NULL, &ReturnObj);
383
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384 AcpiOsPrintf ("Evaluation of [%4.4s] returned %s\n",
385 AcpiUtGetNodeName (Node),
386 AcpiFormatException (Status));
0d02842f 387
3cc0afc6 388 AcpiGbl_MethodExecuting = FALSE;
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389 return (AE_OK);
390}
391
392
393/*******************************************************************************
394 *
395 * FUNCTION: AcpiDbExecute
396 *
397 * PARAMETERS: Name - Name of method to execute
398 * Args - Parameters to the method
3cc0afc6 399 * Types -
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400 * Flags - single step/no single step
401 *
402 * RETURN: None
403 *
404 * DESCRIPTION: Execute a control method. Name is relative to the current
405 * scope.
406 *
407 ******************************************************************************/
408
409void
410AcpiDbExecute (
411 char *Name,
412 char **Args,
413 ACPI_OBJECT_TYPE *Types,
414 UINT32 Flags)
415{
416 ACPI_STATUS Status;
417 ACPI_BUFFER ReturnObj;
418 char *NameString;
419
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420#ifdef ACPI_DEBUG_OUTPUT
421 UINT32 PreviousAllocations;
422 UINT32 Allocations;
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423#endif
424
0d02842f 425
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426 /*
427 * Allow one execution to be performed by debugger or single step
428 * execution will be dead locked by the interpreter mutexes.
429 */
430 if (AcpiGbl_MethodExecuting)
431 {
432 AcpiOsPrintf ("Only one debugger execution is allowed.\n");
433 return;
434 }
0d02842f 435
c6400d37 436#ifdef ACPI_DEBUG_OUTPUT
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437 /* Memory allocation tracking */
438
439 PreviousAllocations = AcpiDbGetOutstandingAllocations ();
440#endif
441
442 if (*Name == '*')
443 {
444 (void) AcpiWalkNamespace (ACPI_TYPE_METHOD, ACPI_ROOT_OBJECT,
3cc0afc6 445 ACPI_UINT32_MAX, AcpiDbExecutionWalk, NULL, NULL, NULL);
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446 return;
447 }
448 else
449 {
25ca8c79 450 NameString = ACPI_ALLOCATE (strlen (Name) + 1);
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451 if (!NameString)
452 {
453 return;
454 }
455
25ca8c79 456 memset (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));
0d02842f 457
25ca8c79 458 strcpy (NameString, Name);
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459 AcpiUtStrupr (NameString);
460 AcpiGbl_DbMethodInfo.Name = NameString;
461 AcpiGbl_DbMethodInfo.Args = Args;
462 AcpiGbl_DbMethodInfo.Types = Types;
463 AcpiGbl_DbMethodInfo.Flags = Flags;
464
465 ReturnObj.Pointer = NULL;
466 ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
467
468 Status = AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
469 if (ACPI_FAILURE (Status))
470 {
471 ACPI_FREE (NameString);
472 return;
473 }
474
475 /* Get the NS node, determines existence also */
476
477 Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname,
478 &AcpiGbl_DbMethodInfo.Method);
479 if (ACPI_SUCCESS (Status))
480 {
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481 Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo,
482 &ReturnObj);
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483 }
484 ACPI_FREE (NameString);
485 }
486
487 /*
488 * Allow any handlers in separate threads to complete.
489 * (Such as Notify handlers invoked from AML executed above).
490 */
491 AcpiOsSleep ((UINT64) 10);
492
493#ifdef ACPI_DEBUG_OUTPUT
494
495 /* Memory allocation tracking */
496
497 Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations;
498
499 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
500
501 if (Allocations > 0)
502 {
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503 AcpiOsPrintf (
504 "0x%X Outstanding allocations after evaluation of %s\n",
505 Allocations, AcpiGbl_DbMethodInfo.Pathname);
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506 }
507#endif
508
509 if (ACPI_FAILURE (Status))
510 {
511 AcpiOsPrintf ("Evaluation of %s failed with status %s\n",
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512 AcpiGbl_DbMethodInfo.Pathname,
513 AcpiFormatException (Status));
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514 }
515 else
516 {
517 /* Display a return object, if any */
518
519 if (ReturnObj.Length)
520 {
521 AcpiOsPrintf (
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522 "Evaluation of %s returned object %p, "
523 "external buffer length %X\n",
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524 AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer,
525 (UINT32) ReturnObj.Length);
3cc0afc6 526
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527 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1);
528
529 /* Dump a _PLD buffer if present */
530
531 if (ACPI_COMPARE_NAME ((ACPI_CAST_PTR (ACPI_NAMESPACE_NODE,
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532 AcpiGbl_DbMethodInfo.Method)->Name.Ascii),
533 METHOD_NAME__PLD))
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534 {
535 AcpiDbDumpPldBuffer (ReturnObj.Pointer);
536 }
537 }
538 else
539 {
540 AcpiOsPrintf ("No object was returned from evaluation of %s\n",
541 AcpiGbl_DbMethodInfo.Pathname);
542 }
543 }
544
545 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
546}
547
548
549/*******************************************************************************
550 *
551 * FUNCTION: AcpiDbMethodThread
552 *
553 * PARAMETERS: Context - Execution info segment
554 *
555 * RETURN: None
556 *
557 * DESCRIPTION: Debugger execute thread. Waits for a command line, then
558 * simply dispatches it.
559 *
560 ******************************************************************************/
561
562static void ACPI_SYSTEM_XFACE
563AcpiDbMethodThread (
564 void *Context)
565{
566 ACPI_STATUS Status;
567 ACPI_DB_METHOD_INFO *Info = Context;
568 ACPI_DB_METHOD_INFO LocalInfo;
569 UINT32 i;
570 UINT8 Allow;
571 ACPI_BUFFER ReturnObj;
572
573
574 /*
575 * AcpiGbl_DbMethodInfo.Arguments will be passed as method arguments.
576 * Prevent AcpiGbl_DbMethodInfo from being modified by multiple threads
577 * concurrently.
578 *
579 * Note: The arguments we are passing are used by the ASL test suite
580 * (aslts). Do not change them without updating the tests.
581 */
582 (void) AcpiOsWaitSemaphore (Info->InfoGate, 1, ACPI_WAIT_FOREVER);
583
584 if (Info->InitArgs)
585 {
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586 AcpiDbUint32ToHexString (Info->NumCreated,
587 Info->IndexOfThreadStr);
588 AcpiDbUint32ToHexString ((UINT32) AcpiOsGetThreadId (),
589 Info->IdOfThreadStr);
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590 }
591
592 if (Info->Threads && (Info->NumCreated < Info->NumThreads))
593 {
594 Info->Threads[Info->NumCreated++] = AcpiOsGetThreadId();
595 }
596
597 LocalInfo = *Info;
598 LocalInfo.Args = LocalInfo.Arguments;
599 LocalInfo.Arguments[0] = LocalInfo.NumThreadsStr;
600 LocalInfo.Arguments[1] = LocalInfo.IdOfThreadStr;
601 LocalInfo.Arguments[2] = LocalInfo.IndexOfThreadStr;
602 LocalInfo.Arguments[3] = NULL;
603
604 LocalInfo.Types = LocalInfo.ArgTypes;
605
606 (void) AcpiOsSignalSemaphore (Info->InfoGate, 1);
607
608 for (i = 0; i < Info->NumLoops; i++)
609 {
610 Status = AcpiDbExecuteMethod (&LocalInfo, &ReturnObj);
611 if (ACPI_FAILURE (Status))
612 {
613 AcpiOsPrintf ("%s During evaluation of %s at iteration %X\n",
614 AcpiFormatException (Status), Info->Pathname, i);
615 if (Status == AE_ABORT_METHOD)
616 {
617 break;
618 }
619 }
620
621#if 0
622 if ((i % 100) == 0)
623 {
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624 AcpiOsPrintf ("%u loops, Thread 0x%x\n",
625 i, AcpiOsGetThreadId ());
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626 }
627
628 if (ReturnObj.Length)
629 {
630 AcpiOsPrintf ("Evaluation of %s returned object %p Buflen %X\n",
631 Info->Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length);
632 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1);
633 }
634#endif
635 }
636
637 /* Signal our completion */
638
639 Allow = 0;
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640 (void) AcpiOsWaitSemaphore (Info->ThreadCompleteGate,
641 1, ACPI_WAIT_FOREVER);
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642 Info->NumCompleted++;
643
644 if (Info->NumCompleted == Info->NumThreads)
645 {
646 /* Do signal for main thread once only */
647 Allow = 1;
648 }
649
650 (void) AcpiOsSignalSemaphore (Info->ThreadCompleteGate, 1);
651
652 if (Allow)
653 {
654 Status = AcpiOsSignalSemaphore (Info->MainThreadGate, 1);
655 if (ACPI_FAILURE (Status))
656 {
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657 AcpiOsPrintf (
658 "Could not signal debugger thread sync semaphore, %s\n",
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659 AcpiFormatException (Status));
660 }
661 }
662}
663
664
665/*******************************************************************************
666 *
667 * FUNCTION: AcpiDbCreateExecutionThreads
668 *
669 * PARAMETERS: NumThreadsArg - Number of threads to create
670 * NumLoopsArg - Loop count for the thread(s)
671 * MethodNameArg - Control method to execute
672 *
673 * RETURN: None
674 *
675 * DESCRIPTION: Create threads to execute method(s)
676 *
677 ******************************************************************************/
678
679void
680AcpiDbCreateExecutionThreads (
681 char *NumThreadsArg,
682 char *NumLoopsArg,
683 char *MethodNameArg)
684{
685 ACPI_STATUS Status;
686 UINT32 NumThreads;
687 UINT32 NumLoops;
688 UINT32 i;
689 UINT32 Size;
690 ACPI_MUTEX MainThreadGate;
691 ACPI_MUTEX ThreadCompleteGate;
692 ACPI_MUTEX InfoGate;
693
694
695 /* Get the arguments */
696
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697 NumThreads = strtoul (NumThreadsArg, NULL, 0);
698 NumLoops = strtoul (NumLoopsArg, NULL, 0);
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699
700 if (!NumThreads || !NumLoops)
701 {
702 AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n",
703 NumThreads, NumLoops);
704 return;
705 }
706
707 /*
708 * Create the semaphore for synchronization of
709 * the created threads with the main thread.
710 */
711 Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate);
712 if (ACPI_FAILURE (Status))
713 {
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714 AcpiOsPrintf ("Could not create semaphore for "
715 "synchronization with the main thread, %s\n",
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716 AcpiFormatException (Status));
717 return;
718 }
719
720 /*
721 * Create the semaphore for synchronization
722 * between the created threads.
723 */
724 Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate);
725 if (ACPI_FAILURE (Status))
726 {
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727 AcpiOsPrintf ("Could not create semaphore for "
728 "synchronization between the created threads, %s\n",
0d02842f 729 AcpiFormatException (Status));
3cc0afc6 730
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731 (void) AcpiOsDeleteSemaphore (MainThreadGate);
732 return;
733 }
734
735 Status = AcpiOsCreateSemaphore (1, 1, &InfoGate);
736 if (ACPI_FAILURE (Status))
737 {
3cc0afc6
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738 AcpiOsPrintf ("Could not create semaphore for "
739 "synchronization of AcpiGbl_DbMethodInfo, %s\n",
0d02842f 740 AcpiFormatException (Status));
3cc0afc6 741
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742 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
743 (void) AcpiOsDeleteSemaphore (MainThreadGate);
744 return;
745 }
746
25ca8c79 747 memset (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));
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748
749 /* Array to store IDs of threads */
750
751 AcpiGbl_DbMethodInfo.NumThreads = NumThreads;
752 Size = sizeof (ACPI_THREAD_ID) * AcpiGbl_DbMethodInfo.NumThreads;
3cc0afc6 753
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754 AcpiGbl_DbMethodInfo.Threads = AcpiOsAllocate (Size);
755 if (AcpiGbl_DbMethodInfo.Threads == NULL)
756 {
757 AcpiOsPrintf ("No memory for thread IDs array\n");
758 (void) AcpiOsDeleteSemaphore (MainThreadGate);
759 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
760 (void) AcpiOsDeleteSemaphore (InfoGate);
761 return;
762 }
25ca8c79 763 memset (AcpiGbl_DbMethodInfo.Threads, 0, Size);
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764
765 /* Setup the context to be passed to each thread */
766
767 AcpiGbl_DbMethodInfo.Name = MethodNameArg;
768 AcpiGbl_DbMethodInfo.Flags = 0;
769 AcpiGbl_DbMethodInfo.NumLoops = NumLoops;
770 AcpiGbl_DbMethodInfo.MainThreadGate = MainThreadGate;
771 AcpiGbl_DbMethodInfo.ThreadCompleteGate = ThreadCompleteGate;
772 AcpiGbl_DbMethodInfo.InfoGate = InfoGate;
773
774 /* Init arguments to be passed to method */
775
776 AcpiGbl_DbMethodInfo.InitArgs = 1;
777 AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments;
778 AcpiGbl_DbMethodInfo.Arguments[0] = AcpiGbl_DbMethodInfo.NumThreadsStr;
779 AcpiGbl_DbMethodInfo.Arguments[1] = AcpiGbl_DbMethodInfo.IdOfThreadStr;
780 AcpiGbl_DbMethodInfo.Arguments[2] = AcpiGbl_DbMethodInfo.IndexOfThreadStr;
781 AcpiGbl_DbMethodInfo.Arguments[3] = NULL;
782
783 AcpiGbl_DbMethodInfo.Types = AcpiGbl_DbMethodInfo.ArgTypes;
784 AcpiGbl_DbMethodInfo.ArgTypes[0] = ACPI_TYPE_INTEGER;
785 AcpiGbl_DbMethodInfo.ArgTypes[1] = ACPI_TYPE_INTEGER;
786 AcpiGbl_DbMethodInfo.ArgTypes[2] = ACPI_TYPE_INTEGER;
787
788 AcpiDbUint32ToHexString (NumThreads, AcpiGbl_DbMethodInfo.NumThreadsStr);
789
790 Status = AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
791 if (ACPI_FAILURE (Status))
792 {
793 goto CleanupAndExit;
794 }
795
796 /* Get the NS node, determines existence also */
797
798 Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname,
799 &AcpiGbl_DbMethodInfo.Method);
800 if (ACPI_FAILURE (Status))
801 {
802 AcpiOsPrintf ("%s Could not get handle for %s\n",
803 AcpiFormatException (Status), AcpiGbl_DbMethodInfo.Pathname);
804 goto CleanupAndExit;
805 }
806
807 /* Create the threads */
808
809 AcpiOsPrintf ("Creating %X threads to execute %X times each\n",
810 NumThreads, NumLoops);
811
812 for (i = 0; i < (NumThreads); i++)
813 {
814 Status = AcpiOsExecute (OSL_DEBUGGER_THREAD, AcpiDbMethodThread,
815 &AcpiGbl_DbMethodInfo);
816 if (ACPI_FAILURE (Status))
817 {
818 break;
819 }
820 }
821
822 /* Wait for all threads to complete */
823
824 (void) AcpiOsWaitSemaphore (MainThreadGate, 1, ACPI_WAIT_FOREVER);
825
826 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
827 AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
828 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
829
830CleanupAndExit:
831
832 /* Cleanup and exit */
833
834 (void) AcpiOsDeleteSemaphore (MainThreadGate);
835 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
836 (void) AcpiOsDeleteSemaphore (InfoGate);
837
838 AcpiOsFree (AcpiGbl_DbMethodInfo.Threads);
839 AcpiGbl_DbMethodInfo.Threads = NULL;
840}
841
842#endif /* ACPI_DEBUGGER */