dbexec.c revision 245582
1/******************************************************************************* 2 * 3 * Module Name: dbexec - debugger control method execution 4 * 5 ******************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2013, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 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 <contrib/dev/acpica/include/acpi.h> 46#include <contrib/dev/acpica/include/accommon.h> 47#include <contrib/dev/acpica/include/acdebug.h> 48#include <contrib/dev/acpica/include/acnamesp.h> 49 50#ifdef ACPI_DEBUGGER 51 52#define _COMPONENT ACPI_CA_DEBUGGER 53 ACPI_MODULE_NAME ("dbexec") 54 55 56static ACPI_DB_METHOD_INFO AcpiGbl_DbMethodInfo; 57 58/* Local prototypes */ 59 60static ACPI_STATUS 61AcpiDbExecuteMethod ( 62 ACPI_DB_METHOD_INFO *Info, 63 ACPI_BUFFER *ReturnObj); 64 65static void 66AcpiDbExecuteSetup ( 67 ACPI_DB_METHOD_INFO *Info); 68 69static UINT32 70AcpiDbGetOutstandingAllocations ( 71 void); 72 73static void ACPI_SYSTEM_XFACE 74AcpiDbMethodThread ( 75 void *Context); 76 77static ACPI_STATUS 78AcpiDbExecutionWalk ( 79 ACPI_HANDLE ObjHandle, 80 UINT32 NestingLevel, 81 void *Context, 82 void **ReturnValue); 83 84 85/******************************************************************************* 86 * 87 * FUNCTION: AcpiDbDeleteObjects 88 * 89 * PARAMETERS: Count - Count of objects in the list 90 * Objects - Array of ACPI_OBJECTs to be deleted 91 * 92 * RETURN: None 93 * 94 * DESCRIPTION: Delete a list of ACPI_OBJECTS. Handles packages and nested 95 * packages via recursion. 96 * 97 ******************************************************************************/ 98 99void 100AcpiDbDeleteObjects ( 101 UINT32 Count, 102 ACPI_OBJECT *Objects) 103{ 104 UINT32 i; 105 106 107 for (i = 0; i < Count; i++) 108 { 109 switch (Objects[i].Type) 110 { 111 case ACPI_TYPE_BUFFER: 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 break; 129 } 130 } 131} 132 133 134/******************************************************************************* 135 * 136 * FUNCTION: AcpiDbExecuteMethod 137 * 138 * PARAMETERS: Info - Valid info segment 139 * ReturnObj - Where to put return object 140 * 141 * RETURN: Status 142 * 143 * DESCRIPTION: Execute a control method. 144 * 145 ******************************************************************************/ 146 147static ACPI_STATUS 148AcpiDbExecuteMethod ( 149 ACPI_DB_METHOD_INFO *Info, 150 ACPI_BUFFER *ReturnObj) 151{ 152 ACPI_STATUS Status; 153 ACPI_OBJECT_LIST ParamObjects; 154 ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS]; 155 ACPI_DEVICE_INFO *ObjInfo; 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 /* Get the object info for number of method parameters */ 168 169 Status = AcpiGetObjectInfo (Info->Method, &ObjInfo); 170 if (ACPI_FAILURE (Status)) 171 { 172 return_ACPI_STATUS (Status); 173 } 174 175 ParamObjects.Pointer = NULL; 176 ParamObjects.Count = 0; 177 178 if (ObjInfo->Type == ACPI_TYPE_METHOD) 179 { 180 /* Are there arguments to the method? */ 181 182 i = 0; 183 if (Info->Args && Info->Args[0]) 184 { 185 /* Get arguments passed on the command line */ 186 187 for (; Info->Args[i] && 188 (i < ACPI_METHOD_NUM_ARGS) && 189 (i < ObjInfo->ParamCount); 190 i++) 191 { 192 /* Convert input string (token) to an actual ACPI_OBJECT */ 193 194 Status = AcpiDbConvertToObject (Info->Types[i], 195 Info->Args[i], &Params[i]); 196 if (ACPI_FAILURE (Status)) 197 { 198 ACPI_EXCEPTION ((AE_INFO, Status, 199 "While parsing method arguments")); 200 goto Cleanup; 201 } 202 } 203 } 204 205 /* Create additional "default" parameters as needed */ 206 207 if (i < ObjInfo->ParamCount) 208 { 209 AcpiOsPrintf ("Adding %u arguments containing default values\n", 210 ObjInfo->ParamCount - i); 211 212 for (; i < ObjInfo->ParamCount; i++) 213 { 214 switch (i) 215 { 216 case 0: 217 218 Params[0].Type = ACPI_TYPE_INTEGER; 219 Params[0].Integer.Value = 0x01020304; 220 break; 221 222 case 1: 223 224 Params[1].Type = ACPI_TYPE_STRING; 225 Params[1].String.Length = 12; 226 Params[1].String.Pointer = "AML Debugger"; 227 break; 228 229 default: 230 231 Params[i].Type = ACPI_TYPE_INTEGER; 232 Params[i].Integer.Value = i * (UINT64) 0x1000; 233 break; 234 } 235 } 236 } 237 238 ParamObjects.Count = ObjInfo->ParamCount; 239 ParamObjects.Pointer = Params; 240 } 241 242 /* Prepare for a return object of arbitrary size */ 243 244 ReturnObj->Pointer = AcpiGbl_DbBuffer; 245 ReturnObj->Length = ACPI_DEBUG_BUFFER_SIZE; 246 247 /* Do the actual method execution */ 248 249 AcpiGbl_MethodExecuting = TRUE; 250 Status = AcpiEvaluateObject (NULL, 251 Info->Pathname, &ParamObjects, ReturnObj); 252 253 AcpiGbl_CmSingleStep = FALSE; 254 AcpiGbl_MethodExecuting = FALSE; 255 256 if (ACPI_FAILURE (Status)) 257 { 258 ACPI_EXCEPTION ((AE_INFO, Status, 259 "while executing %s from debugger", Info->Pathname)); 260 261 if (Status == AE_BUFFER_OVERFLOW) 262 { 263 ACPI_ERROR ((AE_INFO, 264 "Possible overflow of internal debugger buffer (size 0x%X needed 0x%X)", 265 ACPI_DEBUG_BUFFER_SIZE, (UINT32) ReturnObj->Length)); 266 } 267 } 268 269Cleanup: 270 AcpiDbDeleteObjects (ObjInfo->ParamCount, Params); 271 ACPI_FREE (ObjInfo); 272 273 return_ACPI_STATUS (Status); 274} 275 276 277/******************************************************************************* 278 * 279 * FUNCTION: AcpiDbExecuteSetup 280 * 281 * PARAMETERS: Info - Valid method info 282 * 283 * RETURN: None 284 * 285 * DESCRIPTION: Setup info segment prior to method execution 286 * 287 ******************************************************************************/ 288 289static void 290AcpiDbExecuteSetup ( 291 ACPI_DB_METHOD_INFO *Info) 292{ 293 294 /* Catenate the current scope to the supplied name */ 295 296 Info->Pathname[0] = 0; 297 if ((Info->Name[0] != '\\') && 298 (Info->Name[0] != '/')) 299 { 300 ACPI_STRCAT (Info->Pathname, AcpiGbl_DbScopeBuf); 301 } 302 303 ACPI_STRCAT (Info->Pathname, Info->Name); 304 AcpiDbPrepNamestring (Info->Pathname); 305 306 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 307 AcpiOsPrintf ("Evaluating %s\n", Info->Pathname); 308 309 if (Info->Flags & EX_SINGLE_STEP) 310 { 311 AcpiGbl_CmSingleStep = TRUE; 312 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 313 } 314 315 else 316 { 317 /* No single step, allow redirection to a file */ 318 319 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT); 320 } 321} 322 323 324#ifdef ACPI_DBG_TRACK_ALLOCATIONS 325UINT32 326AcpiDbGetCacheInfo ( 327 ACPI_MEMORY_LIST *Cache) 328{ 329 330 return (Cache->TotalAllocated - Cache->TotalFreed - Cache->CurrentDepth); 331} 332#endif 333 334/******************************************************************************* 335 * 336 * FUNCTION: AcpiDbGetOutstandingAllocations 337 * 338 * PARAMETERS: None 339 * 340 * RETURN: Current global allocation count minus cache entries 341 * 342 * DESCRIPTION: Determine the current number of "outstanding" allocations -- 343 * those allocations that have not been freed and also are not 344 * in one of the various object caches. 345 * 346 ******************************************************************************/ 347 348static UINT32 349AcpiDbGetOutstandingAllocations ( 350 void) 351{ 352 UINT32 Outstanding = 0; 353 354#ifdef ACPI_DBG_TRACK_ALLOCATIONS 355 356 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_StateCache); 357 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeCache); 358 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeExtCache); 359 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_OperandCache); 360#endif 361 362 return (Outstanding); 363} 364 365 366/******************************************************************************* 367 * 368 * FUNCTION: AcpiDbExecutionWalk 369 * 370 * PARAMETERS: WALK_CALLBACK 371 * 372 * RETURN: Status 373 * 374 * DESCRIPTION: Execute a control method. Name is relative to the current 375 * scope. 376 * 377 ******************************************************************************/ 378 379static ACPI_STATUS 380AcpiDbExecutionWalk ( 381 ACPI_HANDLE ObjHandle, 382 UINT32 NestingLevel, 383 void *Context, 384 void **ReturnValue) 385{ 386 ACPI_OPERAND_OBJECT *ObjDesc; 387 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 388 ACPI_BUFFER ReturnObj; 389 ACPI_STATUS Status; 390 391 392 ObjDesc = AcpiNsGetAttachedObject (Node); 393 if (ObjDesc->Method.ParamCount) 394 { 395 return (AE_OK); 396 } 397 398 ReturnObj.Pointer = NULL; 399 ReturnObj.Length = ACPI_ALLOCATE_BUFFER; 400 401 AcpiNsPrintNodePathname (Node, "Evaluating"); 402 403 /* Do the actual method execution */ 404 405 AcpiOsPrintf ("\n"); 406 AcpiGbl_MethodExecuting = TRUE; 407 408 Status = AcpiEvaluateObject (Node, NULL, NULL, &ReturnObj); 409 410 AcpiOsPrintf ("Evaluation of [%4.4s] returned %s\n", AcpiUtGetNodeName (Node), 411 AcpiFormatException (Status)); 412 AcpiGbl_MethodExecuting = FALSE; 413 414 return (AE_OK); 415} 416 417 418/******************************************************************************* 419 * 420 * FUNCTION: AcpiDbExecute 421 * 422 * PARAMETERS: Name - Name of method to execute 423 * Args - Parameters to the method 424 * Flags - single step/no single step 425 * 426 * RETURN: None 427 * 428 * DESCRIPTION: Execute a control method. Name is relative to the current 429 * scope. 430 * 431 ******************************************************************************/ 432 433void 434AcpiDbExecute ( 435 char *Name, 436 char **Args, 437 ACPI_OBJECT_TYPE *Types, 438 UINT32 Flags) 439{ 440 ACPI_STATUS Status; 441 ACPI_BUFFER ReturnObj; 442 char *NameString; 443 444 445#ifdef ACPI_DEBUG_OUTPUT 446 UINT32 PreviousAllocations; 447 UINT32 Allocations; 448 449 450 /* Memory allocation tracking */ 451 452 PreviousAllocations = AcpiDbGetOutstandingAllocations (); 453#endif 454 455 if (*Name == '*') 456 { 457 (void) AcpiWalkNamespace (ACPI_TYPE_METHOD, ACPI_ROOT_OBJECT, 458 ACPI_UINT32_MAX, AcpiDbExecutionWalk, NULL, NULL, NULL); 459 return; 460 } 461 else 462 { 463 NameString = ACPI_ALLOCATE (ACPI_STRLEN (Name) + 1); 464 if (!NameString) 465 { 466 return; 467 } 468 469 ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO)); 470 471 ACPI_STRCPY (NameString, Name); 472 AcpiUtStrupr (NameString); 473 AcpiGbl_DbMethodInfo.Name = NameString; 474 AcpiGbl_DbMethodInfo.Args = Args; 475 AcpiGbl_DbMethodInfo.Types = Types; 476 AcpiGbl_DbMethodInfo.Flags = Flags; 477 478 ReturnObj.Pointer = NULL; 479 ReturnObj.Length = ACPI_ALLOCATE_BUFFER; 480 481 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); 482 483 /* Get the NS node, determines existence also */ 484 485 Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname, 486 &AcpiGbl_DbMethodInfo.Method); 487 if (ACPI_SUCCESS (Status)) 488 { 489 Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj); 490 } 491 ACPI_FREE (NameString); 492 } 493 494 /* 495 * Allow any handlers in separate threads to complete. 496 * (Such as Notify handlers invoked from AML executed above). 497 */ 498 AcpiOsSleep ((UINT64) 10); 499 500#ifdef ACPI_DEBUG_OUTPUT 501 502 /* Memory allocation tracking */ 503 504 Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations; 505 506 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 507 508 if (Allocations > 0) 509 { 510 AcpiOsPrintf ("0x%X Outstanding allocations after evaluation of %s\n", 511 Allocations, AcpiGbl_DbMethodInfo.Pathname); 512 } 513#endif 514 515 if (ACPI_FAILURE (Status)) 516 { 517 AcpiOsPrintf ("Evaluation of %s failed with status %s\n", 518 AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status)); 519 } 520 else 521 { 522 /* Display a return object, if any */ 523 524 if (ReturnObj.Length) 525 { 526 AcpiOsPrintf ( 527 "Evaluation of %s returned object %p, external buffer length %X\n", 528 AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer, 529 (UINT32) ReturnObj.Length); 530 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1); 531 532 /* Dump a _PLD buffer if present */ 533 534 if (ACPI_COMPARE_NAME ((ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, 535 AcpiGbl_DbMethodInfo.Method)->Name.Ascii), METHOD_NAME__PLD)) 536 { 537 AcpiDbDumpPldBuffer (ReturnObj.Pointer); 538 } 539 } 540 else 541 { 542 AcpiOsPrintf ("No object was returned from evaluation of %s\n", 543 AcpiGbl_DbMethodInfo.Pathname); 544 } 545 } 546 547 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 548} 549 550 551/******************************************************************************* 552 * 553 * FUNCTION: AcpiDbMethodThread 554 * 555 * PARAMETERS: Context - Execution info segment 556 * 557 * RETURN: None 558 * 559 * DESCRIPTION: Debugger execute thread. Waits for a command line, then 560 * simply dispatches it. 561 * 562 ******************************************************************************/ 563 564static void ACPI_SYSTEM_XFACE 565AcpiDbMethodThread ( 566 void *Context) 567{ 568 ACPI_STATUS Status; 569 ACPI_DB_METHOD_INFO *Info = Context; 570 ACPI_DB_METHOD_INFO LocalInfo; 571 UINT32 i; 572 UINT8 Allow; 573 ACPI_BUFFER ReturnObj; 574 575 576 /* 577 * AcpiGbl_DbMethodInfo.Arguments will be passed as method arguments. 578 * Prevent AcpiGbl_DbMethodInfo from being modified by multiple threads 579 * concurrently. 580 * 581 * Note: The arguments we are passing are used by the ASL test suite 582 * (aslts). Do not change them without updating the tests. 583 */ 584 (void) AcpiOsWaitSemaphore (Info->InfoGate, 1, ACPI_WAIT_FOREVER); 585 586 if (Info->InitArgs) 587 { 588 AcpiDbUint32ToHexString (Info->NumCreated, Info->IndexOfThreadStr); 589 AcpiDbUint32ToHexString ((UINT32) AcpiOsGetThreadId (), Info->IdOfThreadStr); 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 { 624 AcpiOsPrintf ("%u loops, Thread 0x%x\n", i, AcpiOsGetThreadId ()); 625 } 626 627 if (ReturnObj.Length) 628 { 629 AcpiOsPrintf ("Evaluation of %s returned object %p Buflen %X\n", 630 Info->Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length); 631 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1); 632 } 633#endif 634 } 635 636 /* Signal our completion */ 637 638 Allow = 0; 639 (void) AcpiOsWaitSemaphore (Info->ThreadCompleteGate, 1, ACPI_WAIT_FOREVER); 640 Info->NumCompleted++; 641 642 if (Info->NumCompleted == Info->NumThreads) 643 { 644 /* Do signal for main thread once only */ 645 Allow = 1; 646 } 647 648 (void) AcpiOsSignalSemaphore (Info->ThreadCompleteGate, 1); 649 650 if (Allow) 651 { 652 Status = AcpiOsSignalSemaphore (Info->MainThreadGate, 1); 653 if (ACPI_FAILURE (Status)) 654 { 655 AcpiOsPrintf ("Could not signal debugger thread sync semaphore, %s\n", 656 AcpiFormatException (Status)); 657 } 658 } 659} 660 661 662/******************************************************************************* 663 * 664 * FUNCTION: AcpiDbCreateExecutionThreads 665 * 666 * PARAMETERS: NumThreadsArg - Number of threads to create 667 * NumLoopsArg - Loop count for the thread(s) 668 * MethodNameArg - Control method to execute 669 * 670 * RETURN: None 671 * 672 * DESCRIPTION: Create threads to execute method(s) 673 * 674 ******************************************************************************/ 675 676void 677AcpiDbCreateExecutionThreads ( 678 char *NumThreadsArg, 679 char *NumLoopsArg, 680 char *MethodNameArg) 681{ 682 ACPI_STATUS Status; 683 UINT32 NumThreads; 684 UINT32 NumLoops; 685 UINT32 i; 686 UINT32 Size; 687 ACPI_MUTEX MainThreadGate; 688 ACPI_MUTEX ThreadCompleteGate; 689 ACPI_MUTEX InfoGate; 690 691 692 /* Get the arguments */ 693 694 NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0); 695 NumLoops = ACPI_STRTOUL (NumLoopsArg, NULL, 0); 696 697 if (!NumThreads || !NumLoops) 698 { 699 AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n", 700 NumThreads, NumLoops); 701 return; 702 } 703 704 /* 705 * Create the semaphore for synchronization of 706 * the created threads with the main thread. 707 */ 708 Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate); 709 if (ACPI_FAILURE (Status)) 710 { 711 AcpiOsPrintf ("Could not create semaphore for synchronization with the main thread, %s\n", 712 AcpiFormatException (Status)); 713 return; 714 } 715 716 /* 717 * Create the semaphore for synchronization 718 * between the created threads. 719 */ 720 Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate); 721 if (ACPI_FAILURE (Status)) 722 { 723 AcpiOsPrintf ("Could not create semaphore for synchronization between the created threads, %s\n", 724 AcpiFormatException (Status)); 725 (void) AcpiOsDeleteSemaphore (MainThreadGate); 726 return; 727 } 728 729 Status = AcpiOsCreateSemaphore (1, 1, &InfoGate); 730 if (ACPI_FAILURE (Status)) 731 { 732 AcpiOsPrintf ("Could not create semaphore for synchronization of AcpiGbl_DbMethodInfo, %s\n", 733 AcpiFormatException (Status)); 734 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate); 735 (void) AcpiOsDeleteSemaphore (MainThreadGate); 736 return; 737 } 738 739 ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO)); 740 741 /* Array to store IDs of threads */ 742 743 AcpiGbl_DbMethodInfo.NumThreads = NumThreads; 744 Size = sizeof (ACPI_THREAD_ID) * AcpiGbl_DbMethodInfo.NumThreads; 745 AcpiGbl_DbMethodInfo.Threads = AcpiOsAllocate (Size); 746 if (AcpiGbl_DbMethodInfo.Threads == NULL) 747 { 748 AcpiOsPrintf ("No memory for thread IDs array\n"); 749 (void) AcpiOsDeleteSemaphore (MainThreadGate); 750 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate); 751 (void) AcpiOsDeleteSemaphore (InfoGate); 752 return; 753 } 754 ACPI_MEMSET (AcpiGbl_DbMethodInfo.Threads, 0, Size); 755 756 /* Setup the context to be passed to each thread */ 757 758 AcpiGbl_DbMethodInfo.Name = MethodNameArg; 759 AcpiGbl_DbMethodInfo.Flags = 0; 760 AcpiGbl_DbMethodInfo.NumLoops = NumLoops; 761 AcpiGbl_DbMethodInfo.MainThreadGate = MainThreadGate; 762 AcpiGbl_DbMethodInfo.ThreadCompleteGate = ThreadCompleteGate; 763 AcpiGbl_DbMethodInfo.InfoGate = InfoGate; 764 765 /* Init arguments to be passed to method */ 766 767 AcpiGbl_DbMethodInfo.InitArgs = 1; 768 AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments; 769 AcpiGbl_DbMethodInfo.Arguments[0] = AcpiGbl_DbMethodInfo.NumThreadsStr; 770 AcpiGbl_DbMethodInfo.Arguments[1] = AcpiGbl_DbMethodInfo.IdOfThreadStr; 771 AcpiGbl_DbMethodInfo.Arguments[2] = AcpiGbl_DbMethodInfo.IndexOfThreadStr; 772 AcpiGbl_DbMethodInfo.Arguments[3] = NULL; 773 774 AcpiGbl_DbMethodInfo.Types = AcpiGbl_DbMethodInfo.ArgTypes; 775 AcpiGbl_DbMethodInfo.ArgTypes[0] = ACPI_TYPE_INTEGER; 776 AcpiGbl_DbMethodInfo.ArgTypes[1] = ACPI_TYPE_INTEGER; 777 AcpiGbl_DbMethodInfo.ArgTypes[2] = ACPI_TYPE_INTEGER; 778 779 AcpiDbUint32ToHexString (NumThreads, AcpiGbl_DbMethodInfo.NumThreadsStr); 780 781 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); 782 783 /* Get the NS node, determines existence also */ 784 785 Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname, 786 &AcpiGbl_DbMethodInfo.Method); 787 if (ACPI_FAILURE (Status)) 788 { 789 AcpiOsPrintf ("%s Could not get handle for %s\n", 790 AcpiFormatException (Status), AcpiGbl_DbMethodInfo.Pathname); 791 goto CleanupAndExit; 792 } 793 794 /* Create the threads */ 795 796 AcpiOsPrintf ("Creating %X threads to execute %X times each\n", 797 NumThreads, NumLoops); 798 799 for (i = 0; i < (NumThreads); i++) 800 { 801 Status = AcpiOsExecute (OSL_DEBUGGER_THREAD, AcpiDbMethodThread, 802 &AcpiGbl_DbMethodInfo); 803 if (ACPI_FAILURE (Status)) 804 { 805 break; 806 } 807 } 808 809 /* Wait for all threads to complete */ 810 811 (void) AcpiOsWaitSemaphore (MainThreadGate, 1, ACPI_WAIT_FOREVER); 812 813 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 814 AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads); 815 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 816 817CleanupAndExit: 818 819 /* Cleanup and exit */ 820 821 (void) AcpiOsDeleteSemaphore (MainThreadGate); 822 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate); 823 (void) AcpiOsDeleteSemaphore (InfoGate); 824 825 AcpiOsFree (AcpiGbl_DbMethodInfo.Threads); 826 AcpiGbl_DbMethodInfo.Threads = NULL; 827} 828 829#endif /* ACPI_DEBUGGER */ 830