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