1 /*******************************************************************************
2 *
3 * Module Name: dbexec - debugger control method execution
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.
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
44
45 #include "acpi.h"
46 #include "accommon.h"
47 #include "acdebug.h"
48 #include "acnamesp.h"
49
50 #ifdef ACPI_DEBUGGER
51
52 #define _COMPONENT ACPI_CA_DEBUGGER
53 ACPI_MODULE_NAME ("dbexec")
54
55
56 static ACPI_DB_METHOD_INFO AcpiGbl_DbMethodInfo;
57 #define DB_DEFAULT_PKG_ELEMENTS 33
58
59 /* Local prototypes */
60
61 static ACPI_STATUS
62 AcpiDbExecuteMethod (
63 ACPI_DB_METHOD_INFO *Info,
64 ACPI_BUFFER *ReturnObj);
65
66 static void
67 AcpiDbExecuteSetup (
68 ACPI_DB_METHOD_INFO *Info);
69
70 static UINT32
71 AcpiDbGetOutstandingAllocations (
72 void);
73
74 static void ACPI_SYSTEM_XFACE
75 AcpiDbMethodThread (
76 void *Context);
77
78 static ACPI_STATUS
79 AcpiDbExecutionWalk (
80 ACPI_HANDLE ObjHandle,
81 UINT32 NestingLevel,
82 void *Context,
83 void **ReturnValue);
84
85 static ACPI_STATUS
86 AcpiDbHexCharToValue (
87 int HexChar,
88 UINT8 *ReturnValue);
89
90 static ACPI_STATUS
91 AcpiDbConvertToPackage (
92 char *String,
93 ACPI_OBJECT *Object);
94
95 static ACPI_STATUS
96 AcpiDbConvertToObject (
97 ACPI_OBJECT_TYPE Type,
98 char *String,
99 ACPI_OBJECT *Object);
100
101 static void
102 AcpiDbDeleteObjects (
103 UINT32 Count,
104 ACPI_OBJECT *Objects);
105
106
107 /*******************************************************************************
108 *
109 * FUNCTION: AcpiDbHexCharToValue
110 *
111 * PARAMETERS: HexChar - Ascii Hex digit, 0-9|a-f|A-F
112 * ReturnValue - Where the converted value is returned
113 *
114 * RETURN: Status
115 *
116 * DESCRIPTION: Convert a single hex character to a 4-bit number (0-16).
117 *
118 ******************************************************************************/
119
120 static ACPI_STATUS
121 AcpiDbHexCharToValue (
122 int HexChar,
123 UINT8 *ReturnValue)
124 {
125 UINT8 Value;
126
127
128 /* Digit must be ascii [0-9a-fA-F] */
129
130 if (!ACPI_IS_XDIGIT (HexChar))
131 {
132 return (AE_BAD_HEX_CONSTANT);
133 }
134
135 if (HexChar <= 0x39)
136 {
137 Value = (UINT8) (HexChar - 0x30);
138 }
139 else
140 {
141 Value = (UINT8) (ACPI_TOUPPER (HexChar) - 0x37);
142 }
143
144 *ReturnValue = Value;
145 return (AE_OK);
146 }
147
148
149 /*******************************************************************************
150 *
151 * FUNCTION: AcpiDbHexByteToBinary
152 *
153 * PARAMETERS: HexByte - Double hex digit (0x00 - 0xFF) in format:
154 * HiByte then LoByte.
155 * ReturnValue - Where the converted value is returned
156 *
157 * RETURN: Status
158 *
159 * DESCRIPTION: Convert two hex characters to an 8 bit number (0 - 255).
160 *
161 ******************************************************************************/
162
163 static ACPI_STATUS
164 AcpiDbHexByteToBinary (
165 char *HexByte,
166 UINT8 *ReturnValue)
167 {
168 UINT8 Local0;
169 UINT8 Local1;
170 ACPI_STATUS Status;
171
172
173 /* High byte */
174
175 Status = AcpiDbHexCharToValue (HexByte[0], &Local0);
176 if (ACPI_FAILURE (Status))
177 {
178 return (Status);
179 }
180
181 /* Low byte */
182
183 Status = AcpiDbHexCharToValue (HexByte[1], &Local1);
184 if (ACPI_FAILURE (Status))
185 {
186 return (Status);
187 }
188
189 *ReturnValue = (UINT8) ((Local0 << 4) | Local1);
190 return (AE_OK);
191 }
192
193
194 /*******************************************************************************
195 *
196 * FUNCTION: AcpiDbConvertToBuffer
197 *
198 * PARAMETERS: String - Input string to be converted
199 * Object - Where the buffer object is returned
200 *
201 * RETURN: Status
202 *
203 * DESCRIPTION: Convert a string to a buffer object. String is treated a list
204 * of buffer elements, each separated by a space or comma.
205 *
206 ******************************************************************************/
207
208 static ACPI_STATUS
209 AcpiDbConvertToBuffer (
210 char *String,
211 ACPI_OBJECT *Object)
212 {
213 UINT32 i;
214 UINT32 j;
215 UINT32 Length;
216 UINT8 *Buffer;
217 ACPI_STATUS Status;
218
219
220 /* Generate the final buffer length */
221
222 for (i = 0, Length = 0; String[i];)
223 {
224 i+=2;
225 Length++;
226
227 while (String[i] &&
228 ((String[i] == ',') || (String[i] == ' ')))
229 {
230 i++;
231 }
232 }
233
234 Buffer = ACPI_ALLOCATE (Length);
235 if (!Buffer)
236 {
237 return (AE_NO_MEMORY);
238 }
239
240 /* Convert the command line bytes to the buffer */
241
242 for (i = 0, j = 0; String[i];)
243 {
244 Status = AcpiDbHexByteToBinary (&String[i], &Buffer[j]);
245 if (ACPI_FAILURE (Status))
246 {
247 ACPI_FREE (Buffer);
248 return (Status);
249 }
250
251 j++;
252 i+=2;
253 while (String[i] &&
254 ((String[i] == ',') || (String[i] == ' ')))
255 {
256 i++;
257 }
258 }
259
260 Object->Type = ACPI_TYPE_BUFFER;
261 Object->Buffer.Pointer = Buffer;
262 Object->Buffer.Length = Length;
263 return (AE_OK);
264 }
265
266
267 /*******************************************************************************
268 *
269 * FUNCTION: AcpiDbConvertToPackage
270 *
271 * PARAMETERS: String - Input string to be converted
272 * Object - Where the package object is returned
273 *
274 * RETURN: Status
275 *
276 * DESCRIPTION: Convert a string to a package object. Handles nested packages
277 * via recursion with AcpiDbConvertToObject.
278 *
279 ******************************************************************************/
280
281 static ACPI_STATUS
282 AcpiDbConvertToPackage (
283 char *String,
284 ACPI_OBJECT *Object)
285 {
286 char *This;
287 char *Next;
288 UINT32 i;
289 ACPI_OBJECT_TYPE Type;
290 ACPI_OBJECT *Elements;
291 ACPI_STATUS Status;
292
293
294 Elements = ACPI_ALLOCATE_ZEROED (
295 DB_DEFAULT_PKG_ELEMENTS * sizeof (ACPI_OBJECT));
296
297 This = String;
298 for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++)
299 {
300 This = AcpiDbGetNextToken (This, &Next, &Type);
301 if (!This)
302 {
303 break;
304 }
305
306 /* Recursive call to convert each package element */
307
308 Status = AcpiDbConvertToObject (Type, This, &Elements[i]);
309 if (ACPI_FAILURE (Status))
310 {
311 AcpiDbDeleteObjects (i + 1, Elements);
312 ACPI_FREE (Elements);
313 return (Status);
314 }
315
316 This = Next;
317 }
318
319 Object->Type = ACPI_TYPE_PACKAGE;
320 Object->Package.Count = i;
321 Object->Package.Elements = Elements;
322 return (AE_OK);
323 }
324
325
326 /*******************************************************************************
327 *
328 * FUNCTION: AcpiDbConvertToObject
329 *
330 * PARAMETERS: Type - Object type as determined by parser
331 * String - Input string to be converted
332 * Object - Where the new object is returned
333 *
334 * RETURN: Status
335 *
336 * DESCRIPTION: Convert a typed and tokenized string to an ACPI_OBJECT. Typing:
337 * 1) String objects were surrounded by quotes.
338 * 2) Buffer objects were surrounded by parentheses.
339 * 3) Package objects were surrounded by brackets "[]".
340 * 4) All standalone tokens are treated as integers.
341 *
342 ******************************************************************************/
343
344 static ACPI_STATUS
345 AcpiDbConvertToObject (
346 ACPI_OBJECT_TYPE Type,
347 char *String,
348 ACPI_OBJECT *Object)
349 {
350 ACPI_STATUS Status = AE_OK;
351
352
353 switch (Type)
354 {
355 case ACPI_TYPE_STRING:
356 Object->Type = ACPI_TYPE_STRING;
357 Object->String.Pointer = String;
358 Object->String.Length = (UINT32) ACPI_STRLEN (String);
359 break;
360
361 case ACPI_TYPE_BUFFER:
362 Status = AcpiDbConvertToBuffer (String, Object);
363 break;
364
365 case ACPI_TYPE_PACKAGE:
366 Status = AcpiDbConvertToPackage (String, Object);
367 break;
368
369 default:
370 Object->Type = ACPI_TYPE_INTEGER;
371 Status = AcpiUtStrtoul64 (String, 16, &Object->Integer.Value);
372 break;
373 }
374
375 return (Status);
376 }
377
378
379 /*******************************************************************************
380 *
381 * FUNCTION: AcpiDbDeleteObjects
382 *
383 * PARAMETERS: Count - Count of objects in the list
384 * Objects - Array of ACPI_OBJECTs to be deleted
385 *
386 * RETURN: None
387 *
388 * DESCRIPTION: Delete a list of ACPI_OBJECTS. Handles packages and nested
389 * packages via recursion.
390 *
391 ******************************************************************************/
392
393 static void
394 AcpiDbDeleteObjects (
395 UINT32 Count,
396 ACPI_OBJECT *Objects)
397 {
398 UINT32 i;
399
400
401 for (i = 0; i < Count; i++)
402 {
403 switch (Objects[i].Type)
404 {
405 case ACPI_TYPE_BUFFER:
406 ACPI_FREE (Objects[i].Buffer.Pointer);
407 break;
408
409 case ACPI_TYPE_PACKAGE:
410
411 /* Recursive call to delete package elements */
412
413 AcpiDbDeleteObjects (Objects[i].Package.Count,
414 Objects[i].Package.Elements);
415
416 /* Free the elements array */
417
418 ACPI_FREE (Objects[i].Package.Elements);
419 break;
420
421 default:
422 break;
423 }
424 }
425 }
426
427
428 /*******************************************************************************
429 *
430 * FUNCTION: AcpiDbExecuteMethod
431 *
432 * PARAMETERS: Info - Valid info segment
433 * ReturnObj - Where to put return object
434 *
435 * RETURN: Status
436 *
437 * DESCRIPTION: Execute a control method.
438 *
439 ******************************************************************************/
440
441 static ACPI_STATUS
442 AcpiDbExecuteMethod (
443 ACPI_DB_METHOD_INFO *Info,
444 ACPI_BUFFER *ReturnObj)
445 {
446 ACPI_STATUS Status;
447 ACPI_OBJECT_LIST ParamObjects;
448 ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS];
449 ACPI_HANDLE Handle;
450 ACPI_DEVICE_INFO *ObjInfo;
451 UINT32 i;
452
453
454 ACPI_FUNCTION_TRACE (DbExecuteMethod);
455
456
457 if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel)
458 {
459 AcpiOsPrintf ("Warning: debug output is not enabled!\n");
460 }
461
462 /* Get the NS node, determines existence also */
463
464 Status = AcpiGetHandle (NULL, Info->Pathname, &Handle);
465 if (ACPI_FAILURE (Status))
466 {
467 return_ACPI_STATUS (Status);
468 }
469
470 /* Get the object info for number of method parameters */
471
472 Status = AcpiGetObjectInfo (Handle, &ObjInfo);
473 if (ACPI_FAILURE (Status))
474 {
475 return_ACPI_STATUS (Status);
476 }
477
478 ParamObjects.Pointer = NULL;
479 ParamObjects.Count = 0;
480
481 if (ObjInfo->Type == ACPI_TYPE_METHOD)
482 {
483 /* Are there arguments to the method? */
484
485 i = 0;
486 if (Info->Args && Info->Args[0])
487 {
488 /* Get arguments passed on the command line */
489
490 for (; Info->Args[i] &&
491 (i < ACPI_METHOD_NUM_ARGS) &&
492 (i < ObjInfo->ParamCount);
493 i++)
494 {
495 /* Convert input string (token) to an actual ACPI_OBJECT */
496
497 Status = AcpiDbConvertToObject (Info->Types[i],
498 Info->Args[i], &Params[i]);
499 if (ACPI_FAILURE (Status))
500 {
501 ACPI_EXCEPTION ((AE_INFO, Status,
502 "While parsing method arguments"));
503 goto Cleanup;
504 }
505 }
506 }
507
508 /* Create additional "default" parameters as needed */
509
510 if (i < ObjInfo->ParamCount)
511 {
512 AcpiOsPrintf ("Adding %u arguments containing default values\n",
513 ObjInfo->ParamCount - i);
514
515 for (; i < ObjInfo->ParamCount; i++)
516 {
517 switch (i)
518 {
519 case 0:
520
521 Params[0].Type = ACPI_TYPE_INTEGER;
522 Params[0].Integer.Value = 0x01020304;
523 break;
524
525 case 1:
526
527 Params[1].Type = ACPI_TYPE_STRING;
528 Params[1].String.Length = 12;
529 Params[1].String.Pointer = "AML Debugger";
530 break;
531
532 default:
533
534 Params[i].Type = ACPI_TYPE_INTEGER;
535 Params[i].Integer.Value = i * (UINT64) 0x1000;
536 break;
537 }
538 }
539 }
540
541 ParamObjects.Count = ObjInfo->ParamCount;
542 ParamObjects.Pointer = Params;
543 }
544
545 /* Prepare for a return object of arbitrary size */
546
547 ReturnObj->Pointer = AcpiGbl_DbBuffer;
548 ReturnObj->Length = ACPI_DEBUG_BUFFER_SIZE;
549
550 /* Do the actual method execution */
551
552 AcpiGbl_MethodExecuting = TRUE;
553 Status = AcpiEvaluateObject (NULL,
554 Info->Pathname, &ParamObjects, ReturnObj);
555
556 AcpiGbl_CmSingleStep = FALSE;
557 AcpiGbl_MethodExecuting = FALSE;
558
559 if (ACPI_FAILURE (Status))
560 {
561 ACPI_EXCEPTION ((AE_INFO, Status,
562 "while executing %s from debugger", Info->Pathname));
563
564 if (Status == AE_BUFFER_OVERFLOW)
565 {
566 ACPI_ERROR ((AE_INFO,
567 "Possible overflow of internal debugger buffer (size 0x%X needed 0x%X)",
568 ACPI_DEBUG_BUFFER_SIZE, (UINT32) ReturnObj->Length));
569 }
570 }
571
572 Cleanup:
573 AcpiDbDeleteObjects (ObjInfo->ParamCount, Params);
574 ACPI_FREE (ObjInfo);
575
576 return_ACPI_STATUS (Status);
577 }
578
579
580 /*******************************************************************************
581 *
582 * FUNCTION: AcpiDbExecuteSetup
583 *
584 * PARAMETERS: Info - Valid method info
585 *
586 * RETURN: None
587 *
588 * DESCRIPTION: Setup info segment prior to method execution
589 *
590 ******************************************************************************/
591
592 static void
593 AcpiDbExecuteSetup (
594 ACPI_DB_METHOD_INFO *Info)
595 {
596
597 /* Catenate the current scope to the supplied name */
598
599 Info->Pathname[0] = 0;
600 if ((Info->Name[0] != '\\') &&
601 (Info->Name[0] != '/'))
602 {
603 ACPI_STRCAT (Info->Pathname, AcpiGbl_DbScopeBuf);
604 }
605
606 ACPI_STRCAT (Info->Pathname, Info->Name);
607 AcpiDbPrepNamestring (Info->Pathname);
608
609 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
610 AcpiOsPrintf ("Executing %s\n", Info->Pathname);
611
612 if (Info->Flags & EX_SINGLE_STEP)
613 {
614 AcpiGbl_CmSingleStep = TRUE;
615 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
616 }
617
618 else
619 {
620 /* No single step, allow redirection to a file */
621
622 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
623 }
624 }
625
626
627 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
628 UINT32
629 AcpiDbGetCacheInfo (
630 ACPI_MEMORY_LIST *Cache)
631 {
632
633 return (Cache->TotalAllocated - Cache->TotalFreed - Cache->CurrentDepth);
634 }
635 #endif
636
637 /*******************************************************************************
638 *
639 * FUNCTION: AcpiDbGetOutstandingAllocations
640 *
641 * PARAMETERS: None
642 *
643 * RETURN: Current global allocation count minus cache entries
644 *
645 * DESCRIPTION: Determine the current number of "outstanding" allocations --
646 * those allocations that have not been freed and also are not
647 * in one of the various object caches.
648 *
649 ******************************************************************************/
650
651 static UINT32
652 AcpiDbGetOutstandingAllocations (
653 void)
654 {
655 UINT32 Outstanding = 0;
656
657 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
658
659 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_StateCache);
660 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeCache);
661 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeExtCache);
662 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_OperandCache);
663 #endif
664
665 return (Outstanding);
666 }
667
668
669 /*******************************************************************************
670 *
671 * FUNCTION: AcpiDbExecutionWalk
672 *
673 * PARAMETERS: WALK_CALLBACK
674 *
675 * RETURN: Status
676 *
677 * DESCRIPTION: Execute a control method. Name is relative to the current
678 * scope.
679 *
680 ******************************************************************************/
681
682 static ACPI_STATUS
683 AcpiDbExecutionWalk (
684 ACPI_HANDLE ObjHandle,
685 UINT32 NestingLevel,
686 void *Context,
687 void **ReturnValue)
688 {
689 ACPI_OPERAND_OBJECT *ObjDesc;
690 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
691 ACPI_BUFFER ReturnObj;
692 ACPI_STATUS Status;
693
694
695 ObjDesc = AcpiNsGetAttachedObject (Node);
696 if (ObjDesc->Method.ParamCount)
697 {
698 return (AE_OK);
699 }
700
701 ReturnObj.Pointer = NULL;
702 ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
703
704 AcpiNsPrintNodePathname (Node, "Execute");
705
706 /* Do the actual method execution */
707
708 AcpiOsPrintf ("\n");
709 AcpiGbl_MethodExecuting = TRUE;
710
711 Status = AcpiEvaluateObject (Node, NULL, NULL, &ReturnObj);
712
713 AcpiOsPrintf ("[%4.4s] returned %s\n", AcpiUtGetNodeName (Node),
714 AcpiFormatException (Status));
715 AcpiGbl_MethodExecuting = FALSE;
716
717 return (AE_OK);
718 }
719
720
721 /*******************************************************************************
722 *
723 * FUNCTION: AcpiDbExecute
724 *
725 * PARAMETERS: Name - Name of method to execute
726 * Args - Parameters to the method
727 * Flags - single step/no single step
728 *
729 * RETURN: None
730 *
731 * DESCRIPTION: Execute a control method. Name is relative to the current
732 * scope.
733 *
734 ******************************************************************************/
735
736 void
737 AcpiDbExecute (
738 char *Name,
739 char **Args,
740 ACPI_OBJECT_TYPE *Types,
741 UINT32 Flags)
742 {
743 ACPI_STATUS Status;
744 ACPI_BUFFER ReturnObj;
745 char *NameString;
746
747
748 #ifdef ACPI_DEBUG_OUTPUT
749 UINT32 PreviousAllocations;
750 UINT32 Allocations;
751
752
753 /* Memory allocation tracking */
754
755 PreviousAllocations = AcpiDbGetOutstandingAllocations ();
756 #endif
757
758 if (*Name == '*')
759 {
760 (void) AcpiWalkNamespace (ACPI_TYPE_METHOD, ACPI_ROOT_OBJECT,
761 ACPI_UINT32_MAX, AcpiDbExecutionWalk, NULL, NULL, NULL);
762 return;
763 }
764 else
765 {
766 NameString = ACPI_ALLOCATE (ACPI_STRLEN (Name) + 1);
767 if (!NameString)
768 {
769 return;
770 }
771
772 ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));
773
774 ACPI_STRCPY (NameString, Name);
775 AcpiUtStrupr (NameString);
776 AcpiGbl_DbMethodInfo.Name = NameString;
777 AcpiGbl_DbMethodInfo.Args = Args;
778 AcpiGbl_DbMethodInfo.Types = Types;
779 AcpiGbl_DbMethodInfo.Flags = Flags;
780
781 ReturnObj.Pointer = NULL;
782 ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
783
784 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
785 Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj);
786 ACPI_FREE (NameString);
787 }
788
789 /*
790 * Allow any handlers in separate threads to complete.
791 * (Such as Notify handlers invoked from AML executed above).
792 */
793 AcpiOsSleep ((UINT64) 10);
794
795
796 #ifdef ACPI_DEBUG_OUTPUT
797
798 /* Memory allocation tracking */
799
800 Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations;
801
802 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
803
804 if (Allocations > 0)
805 {
806 AcpiOsPrintf ("Outstanding: 0x%X allocations after execution\n",
807 Allocations);
808 }
809 #endif
810
811 if (ACPI_FAILURE (Status))
812 {
813 AcpiOsPrintf ("Execution of %s failed with status %s\n",
814 AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status));
815 }
816 else
817 {
818 /* Display a return object, if any */
819
820 if (ReturnObj.Length)
821 {
822 AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",
823 AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer,
824 (UINT32) ReturnObj.Length);
825 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1);
826 }
827 else
828 {
829 AcpiOsPrintf ("No return object from execution of %s\n",
830 AcpiGbl_DbMethodInfo.Pathname);
831 }
832 }
833
834 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
835 }
836
837
838 /*******************************************************************************
839 *
840 * FUNCTION: AcpiDbMethodThread
841 *
842 * PARAMETERS: Context - Execution info segment
843 *
844 * RETURN: None
845 *
846 * DESCRIPTION: Debugger execute thread. Waits for a command line, then
847 * simply dispatches it.
848 *
849 ******************************************************************************/
850
851 static void ACPI_SYSTEM_XFACE
852 AcpiDbMethodThread (
853 void *Context)
854 {
855 ACPI_STATUS Status;
856 ACPI_DB_METHOD_INFO *Info = Context;
857 ACPI_DB_METHOD_INFO LocalInfo;
858 UINT32 i;
859 UINT8 Allow;
860 ACPI_BUFFER ReturnObj;
861
862
863 /*
864 * AcpiGbl_DbMethodInfo.Arguments will be passed as method arguments.
865 * Prevent AcpiGbl_DbMethodInfo from being modified by multiple threads
866 * concurrently.
867 *
868 * Note: The arguments we are passing are used by the ASL test suite
869 * (aslts). Do not change them without updating the tests.
870 */
871 (void) AcpiOsWaitSemaphore (Info->InfoGate, 1, ACPI_WAIT_FOREVER);
872
873 if (Info->InitArgs)
874 {
875 AcpiDbUInt32ToHexString (Info->NumCreated, Info->IndexOfThreadStr);
876 AcpiDbUInt32ToHexString ((UINT32) AcpiOsGetThreadId (), Info->IdOfThreadStr);
877 }
878
879 if (Info->Threads && (Info->NumCreated < Info->NumThreads))
880 {
881 Info->Threads[Info->NumCreated++] = AcpiOsGetThreadId();
882 }
883
884 LocalInfo = *Info;
885 LocalInfo.Args = LocalInfo.Arguments;
886 LocalInfo.Arguments[0] = LocalInfo.NumThreadsStr;
887 LocalInfo.Arguments[1] = LocalInfo.IdOfThreadStr;
888 LocalInfo.Arguments[2] = LocalInfo.IndexOfThreadStr;
889 LocalInfo.Arguments[3] = NULL;
890
891 LocalInfo.Types = LocalInfo.ArgTypes;
892
893 (void) AcpiOsSignalSemaphore (Info->InfoGate, 1);
894
895 for (i = 0; i < Info->NumLoops; i++)
896 {
897 Status = AcpiDbExecuteMethod (&LocalInfo, &ReturnObj);
898 if (ACPI_FAILURE (Status))
899 {
900 AcpiOsPrintf ("%s During execution of %s at iteration %X\n",
901 AcpiFormatException (Status), Info->Pathname, i);
902 if (Status == AE_ABORT_METHOD)
903 {
904 break;
905 }
906 }
907
908 #if 0
909 if ((i % 100) == 0)
910 {
911 AcpiOsPrintf ("%u executions, Thread 0x%x\n", i, AcpiOsGetThreadId ());
912 }
913
914 if (ReturnObj.Length)
915 {
916 AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",
917 Info->Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length);
918 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1);
919 }
920 #endif
921 }
922
923 /* Signal our completion */
924
925 Allow = 0;
926 (void) AcpiOsWaitSemaphore (Info->ThreadCompleteGate, 1, ACPI_WAIT_FOREVER);
927 Info->NumCompleted++;
928
929 if (Info->NumCompleted == Info->NumThreads)
930 {
931 /* Do signal for main thread once only */
932 Allow = 1;
933 }
934
935 (void) AcpiOsSignalSemaphore (Info->ThreadCompleteGate, 1);
936
937 if (Allow)
938 {
939 Status = AcpiOsSignalSemaphore (Info->MainThreadGate, 1);
940 if (ACPI_FAILURE (Status))
941 {
942 AcpiOsPrintf ("Could not signal debugger thread sync semaphore, %s\n",
943 AcpiFormatException (Status));
944 }
945 }
946 }
947
948
949 /*******************************************************************************
950 *
951 * FUNCTION: AcpiDbCreateExecutionThreads
952 *
953 * PARAMETERS: NumThreadsArg - Number of threads to create
954 * NumLoopsArg - Loop count for the thread(s)
955 * MethodNameArg - Control method to execute
956 *
957 * RETURN: None
958 *
959 * DESCRIPTION: Create threads to execute method(s)
960 *
961 ******************************************************************************/
962
963 void
964 AcpiDbCreateExecutionThreads (
965 char *NumThreadsArg,
966 char *NumLoopsArg,
967 char *MethodNameArg)
968 {
969 ACPI_STATUS Status;
970 UINT32 NumThreads;
971 UINT32 NumLoops;
972 UINT32 i;
973 UINT32 Size;
974 ACPI_MUTEX MainThreadGate;
975 ACPI_MUTEX ThreadCompleteGate;
976 ACPI_MUTEX InfoGate;
977
978
979 /* Get the arguments */
980
981 NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0);
982 NumLoops = ACPI_STRTOUL (NumLoopsArg, NULL, 0);
983
984 if (!NumThreads || !NumLoops)
985 {
986 AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n",
987 NumThreads, NumLoops);
988 return;
989 }
990
991 /*
992 * Create the semaphore for synchronization of
993 * the created threads with the main thread.
994 */
995 Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate);
996 if (ACPI_FAILURE (Status))
997 {
998 AcpiOsPrintf ("Could not create semaphore for synchronization with the main thread, %s\n",
999 AcpiFormatException (Status));
1000 return;
1001 }
1002
1003 /*
1004 * Create the semaphore for synchronization
1005 * between the created threads.
1006 */
1007 Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate);
1008 if (ACPI_FAILURE (Status))
1009 {
1010 AcpiOsPrintf ("Could not create semaphore for synchronization between the created threads, %s\n",
1011 AcpiFormatException (Status));
1012 (void) AcpiOsDeleteSemaphore (MainThreadGate);
1013 return;
1014 }
1015
1016 Status = AcpiOsCreateSemaphore (1, 1, &InfoGate);
1017 if (ACPI_FAILURE (Status))
1018 {
1019 AcpiOsPrintf ("Could not create semaphore for synchronization of AcpiGbl_DbMethodInfo, %s\n",
1020 AcpiFormatException (Status));
1021 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
1022 (void) AcpiOsDeleteSemaphore (MainThreadGate);
1023 return;
1024 }
1025
1026 ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));
1027
1028 /* Array to store IDs of threads */
1029
1030 AcpiGbl_DbMethodInfo.NumThreads = NumThreads;
1031 Size = sizeof (ACPI_THREAD_ID) * AcpiGbl_DbMethodInfo.NumThreads;
1032 AcpiGbl_DbMethodInfo.Threads = AcpiOsAllocate (Size);
1033 if (AcpiGbl_DbMethodInfo.Threads == NULL)
1034 {
1035 AcpiOsPrintf ("No memory for thread IDs array\n");
1036 (void) AcpiOsDeleteSemaphore (MainThreadGate);
1037 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
1038 (void) AcpiOsDeleteSemaphore (InfoGate);
1039 return;
1040 }
1041 ACPI_MEMSET (AcpiGbl_DbMethodInfo.Threads, 0, Size);
1042
1043 /* Setup the context to be passed to each thread */
1044
1045 AcpiGbl_DbMethodInfo.Name = MethodNameArg;
1046 AcpiGbl_DbMethodInfo.Flags = 0;
1047 AcpiGbl_DbMethodInfo.NumLoops = NumLoops;
1048 AcpiGbl_DbMethodInfo.MainThreadGate = MainThreadGate;
1049 AcpiGbl_DbMethodInfo.ThreadCompleteGate = ThreadCompleteGate;
1050 AcpiGbl_DbMethodInfo.InfoGate = InfoGate;
1051
1052 /* Init arguments to be passed to method */
1053
1054 AcpiGbl_DbMethodInfo.InitArgs = 1;
1055 AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments;
1056 AcpiGbl_DbMethodInfo.Arguments[0] = AcpiGbl_DbMethodInfo.NumThreadsStr;
1057 AcpiGbl_DbMethodInfo.Arguments[1] = AcpiGbl_DbMethodInfo.IdOfThreadStr;
1058 AcpiGbl_DbMethodInfo.Arguments[2] = AcpiGbl_DbMethodInfo.IndexOfThreadStr;
1059 AcpiGbl_DbMethodInfo.Arguments[3] = NULL;
1060
1061 AcpiGbl_DbMethodInfo.Types = AcpiGbl_DbMethodInfo.ArgTypes;
1062 AcpiGbl_DbMethodInfo.ArgTypes[0] = ACPI_TYPE_INTEGER;
1063 AcpiGbl_DbMethodInfo.ArgTypes[1] = ACPI_TYPE_INTEGER;
1064 AcpiGbl_DbMethodInfo.ArgTypes[2] = ACPI_TYPE_INTEGER;
1065
1066 AcpiDbUInt32ToHexString (NumThreads, AcpiGbl_DbMethodInfo.NumThreadsStr);
1067
1068 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
1069
1070 /* Create the threads */
1071
1072 AcpiOsPrintf ("Creating %X threads to execute %X times each\n",
1073 NumThreads, NumLoops);
1074
1075 for (i = 0; i < (NumThreads); i++)
1076 {
1077 Status = AcpiOsExecute (OSL_DEBUGGER_THREAD, AcpiDbMethodThread,
1078 &AcpiGbl_DbMethodInfo);
1079 if (ACPI_FAILURE (Status))
1080 {
1081 break;
1082 }
1083 }
1084
1085 /* Wait for all threads to complete */
1086
1087 (void) AcpiOsWaitSemaphore (MainThreadGate, 1, ACPI_WAIT_FOREVER);
1088
1089 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
1090 AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
1091 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
1092
1093 /* Cleanup and exit */
1094
1095 (void) AcpiOsDeleteSemaphore (MainThreadGate);
1096 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
1097 (void) AcpiOsDeleteSemaphore (InfoGate);
1098
1099 AcpiOsFree (AcpiGbl_DbMethodInfo.Threads);
1100 AcpiGbl_DbMethodInfo.Threads = NULL;
1101 }
1102
1103 #endif /* ACPI_DEBUGGER */
1104
1105