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 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 ******************************************************************************/ 146 147 static ACPI_STATUS 148 AcpiDbExecuteMethod ( 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_DEBUGGER_MAX_ARGS + 1]; 155 UINT32 i; 156 157 158 ACPI_FUNCTION_TRACE (DbExecuteMethod); 159 160 161 if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel) 162 { 163 AcpiOsPrintf ("Warning: debug output is not enabled!\n"); 164 } 165 166 ParamObjects.Count = 0; 167 ParamObjects.Pointer = NULL; 168 169 /* Pass through any command-line arguments */ 170 171 if (Info->Args && Info->Args[0]) 172 { 173 /* Get arguments passed on the command line */ 174 175 for (i = 0; (Info->Args[i] && *(Info->Args[i])); i++) 176 { 177 /* Convert input string (token) to an actual ACPI_OBJECT */ 178 179 Status = AcpiDbConvertToObject (Info->Types[i], 180 Info->Args[i], &Params[i]); 181 if (ACPI_FAILURE (Status)) 182 { 183 ACPI_EXCEPTION ((AE_INFO, Status, 184 "While parsing method arguments")); 185 goto Cleanup; 186 } 187 } 188 189 ParamObjects.Count = i; 190 ParamObjects.Pointer = Params; 191 } 192 193 /* Prepare for a return object of arbitrary size */ 194 195 ReturnObj->Pointer = AcpiGbl_DbBuffer; 196 ReturnObj->Length = ACPI_DEBUG_BUFFER_SIZE; 197 198 /* Do the actual method execution */ 199 200 AcpiGbl_MethodExecuting = TRUE; 201 Status = AcpiEvaluateObject (NULL, Info->Pathname, 202 &ParamObjects, ReturnObj); 203 204 AcpiGbl_CmSingleStep = FALSE; 205 AcpiGbl_MethodExecuting = FALSE; 206 207 if (ACPI_FAILURE (Status)) 208 { 209 ACPI_EXCEPTION ((AE_INFO, Status, 210 "while executing %s from debugger", Info->Pathname)); 211 212 if (Status == AE_BUFFER_OVERFLOW) 213 { 214 ACPI_ERROR ((AE_INFO, 215 "Possible overflow of internal debugger buffer (size 0x%X needed 0x%X)", 216 ACPI_DEBUG_BUFFER_SIZE, (UINT32) ReturnObj->Length)); 217 } 218 } 219 220 Cleanup: 221 AcpiDbDeleteObjects (ParamObjects.Count, Params); 222 return_ACPI_STATUS (Status); 223 } 224 225 226 /******************************************************************************* 227 * 228 * FUNCTION: AcpiDbExecuteSetup 229 * 230 * PARAMETERS: Info - Valid method info 231 * 232 * RETURN: None 233 * 234 * DESCRIPTION: Setup info segment prior to method execution 235 * 236 ******************************************************************************/ 237 238 static void 239 AcpiDbExecuteSetup ( 240 ACPI_DB_METHOD_INFO *Info) 241 { 242 243 /* Catenate the current scope to the supplied name */ 244 245 Info->Pathname[0] = 0; 246 if ((Info->Name[0] != '\\') && 247 (Info->Name[0] != '/')) 248 { 249 ACPI_STRCAT (Info->Pathname, AcpiGbl_DbScopeBuf); 250 } 251 252 ACPI_STRCAT (Info->Pathname, Info->Name); 253 AcpiDbPrepNamestring (Info->Pathname); 254 255 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 256 AcpiOsPrintf ("Evaluating %s\n", Info->Pathname); 257 258 if (Info->Flags & EX_SINGLE_STEP) 259 { 260 AcpiGbl_CmSingleStep = TRUE; 261 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 262 } 263 264 else 265 { 266 /* No single step, allow redirection to a file */ 267 268 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT); 269 } 270 } 271 272 273 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 274 UINT32 275 AcpiDbGetCacheInfo ( 276 ACPI_MEMORY_LIST *Cache) 277 { 278 279 return (Cache->TotalAllocated - Cache->TotalFreed - Cache->CurrentDepth); 280 } 281 #endif 282 283 /******************************************************************************* 284 * 285 * FUNCTION: AcpiDbGetOutstandingAllocations 286 * 287 * PARAMETERS: None 288 * 289 * RETURN: Current global allocation count minus cache entries 290 * 291 * DESCRIPTION: Determine the current number of "outstanding" allocations -- 292 * those allocations that have not been freed and also are not 293 * in one of the various object caches. 294 * 295 ******************************************************************************/ 296 297 static UINT32 298 AcpiDbGetOutstandingAllocations ( 299 void) 300 { 301 UINT32 Outstanding = 0; 302 303 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 304 305 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_StateCache); 306 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeCache); 307 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeExtCache); 308 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_OperandCache); 309 #endif 310 311 return (Outstanding); 312 } 313 314 315 /******************************************************************************* 316 * 317 * FUNCTION: AcpiDbExecutionWalk 318 * 319 * PARAMETERS: WALK_CALLBACK 320 * 321 * RETURN: Status 322 * 323 * DESCRIPTION: Execute a control method. Name is relative to the current 324 * scope. 325 * 326 ******************************************************************************/ 327 328 static ACPI_STATUS 329 AcpiDbExecutionWalk ( 330 ACPI_HANDLE ObjHandle, 331 UINT32 NestingLevel, 332 void *Context, 333 void **ReturnValue) 334 { 335 ACPI_OPERAND_OBJECT *ObjDesc; 336 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 337 ACPI_BUFFER ReturnObj; 338 ACPI_STATUS Status; 339 340 341 ObjDesc = AcpiNsGetAttachedObject (Node); 342 if (ObjDesc->Method.ParamCount) 343 { 344 return (AE_OK); 345 } 346 347 ReturnObj.Pointer = NULL; 348 ReturnObj.Length = ACPI_ALLOCATE_BUFFER; 349 350 AcpiNsPrintNodePathname (Node, "Evaluating"); 351 352 /* Do the actual method execution */ 353 354 AcpiOsPrintf ("\n"); 355 AcpiGbl_MethodExecuting = TRUE; 356 357 Status = AcpiEvaluateObject (Node, NULL, NULL, &ReturnObj); 358 359 AcpiOsPrintf ("Evaluation of [%4.4s] returned %s\n", AcpiUtGetNodeName (Node), 360 AcpiFormatException (Status)); 361 AcpiGbl_MethodExecuting = FALSE; 362 363 return (AE_OK); 364 } 365 366 367 /******************************************************************************* 368 * 369 * FUNCTION: AcpiDbExecute 370 * 371 * PARAMETERS: Name - Name of method to execute 372 * Args - Parameters to the method 373 * Flags - single step/no single step 374 * 375 * RETURN: None 376 * 377 * DESCRIPTION: Execute a control method. Name is relative to the current 378 * scope. 379 * 380 ******************************************************************************/ 381 382 void 383 AcpiDbExecute ( 384 char *Name, 385 char **Args, 386 ACPI_OBJECT_TYPE *Types, 387 UINT32 Flags) 388 { 389 ACPI_STATUS Status; 390 ACPI_BUFFER ReturnObj; 391 char *NameString; 392 393 394 #ifdef ACPI_DEBUG_OUTPUT 395 UINT32 PreviousAllocations; 396 UINT32 Allocations; 397 398 399 /* Memory allocation tracking */ 400 401 PreviousAllocations = AcpiDbGetOutstandingAllocations (); 402 #endif 403 404 if (*Name == '*') 405 { 406 (void) AcpiWalkNamespace (ACPI_TYPE_METHOD, ACPI_ROOT_OBJECT, 407 ACPI_UINT32_MAX, AcpiDbExecutionWalk, NULL, NULL, NULL); 408 return; 409 } 410 else 411 { 412 NameString = ACPI_ALLOCATE (ACPI_STRLEN (Name) + 1); 413 if (!NameString) 414 { 415 return; 416 } 417 418 ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO)); 419 420 ACPI_STRCPY (NameString, Name); 421 AcpiUtStrupr (NameString); 422 AcpiGbl_DbMethodInfo.Name = NameString; 423 AcpiGbl_DbMethodInfo.Args = Args; 424 AcpiGbl_DbMethodInfo.Types = Types; 425 AcpiGbl_DbMethodInfo.Flags = Flags; 426 427 ReturnObj.Pointer = NULL; 428 ReturnObj.Length = ACPI_ALLOCATE_BUFFER; 429 430 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); 431 432 /* Get the NS node, determines existence also */ 433 434 Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname, 435 &AcpiGbl_DbMethodInfo.Method); 436 if (ACPI_SUCCESS (Status)) 437 { 438 Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj); 439 } 440 ACPI_FREE (NameString); 441 } 442 443 /* 444 * Allow any handlers in separate threads to complete. 445 * (Such as Notify handlers invoked from AML executed above). 446 */ 447 AcpiOsSleep ((UINT64) 10); 448 449 #ifdef ACPI_DEBUG_OUTPUT 450 451 /* Memory allocation tracking */ 452 453 Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations; 454 455 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 456 457 if (Allocations > 0) 458 { 459 AcpiOsPrintf ("0x%X Outstanding allocations after evaluation of %s\n", 460 Allocations, AcpiGbl_DbMethodInfo.Pathname); 461 } 462 #endif 463 464 if (ACPI_FAILURE (Status)) 465 { 466 AcpiOsPrintf ("Evaluation of %s failed with status %s\n", 467 AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status)); 468 } 469 else 470 { 471 /* Display a return object, if any */ 472 473 if (ReturnObj.Length) 474 { 475 AcpiOsPrintf ( 476 "Evaluation of %s returned object %p, external buffer length %X\n", 477 AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer, 478 (UINT32) ReturnObj.Length); 479 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1); 480 481 /* Dump a _PLD buffer if present */ 482 483 if (ACPI_COMPARE_NAME ((ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, 484 AcpiGbl_DbMethodInfo.Method)->Name.Ascii), METHOD_NAME__PLD)) 485 { 486 AcpiDbDumpPldBuffer (ReturnObj.Pointer); 487 } 488 } 489 else 490 { 491 AcpiOsPrintf ("No object was returned from evaluation of %s\n", 492 AcpiGbl_DbMethodInfo.Pathname); 493 } 494 } 495 496 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 497 } 498 499 500 /******************************************************************************* 501 * 502 * FUNCTION: AcpiDbMethodThread 503 * 504 * PARAMETERS: Context - Execution info segment 505 * 506 * RETURN: None 507 * 508 * DESCRIPTION: Debugger execute thread. Waits for a command line, then 509 * simply dispatches it. 510 * 511 ******************************************************************************/ 512 513 static void ACPI_SYSTEM_XFACE 514 AcpiDbMethodThread ( 515 void *Context) 516 { 517 ACPI_STATUS Status; 518 ACPI_DB_METHOD_INFO *Info = Context; 519 ACPI_DB_METHOD_INFO LocalInfo; 520 UINT32 i; 521 UINT8 Allow; 522 ACPI_BUFFER ReturnObj; 523 524 525 /* 526 * AcpiGbl_DbMethodInfo.Arguments will be passed as method arguments. 527 * Prevent AcpiGbl_DbMethodInfo from being modified by multiple threads 528 * concurrently. 529 * 530 * Note: The arguments we are passing are used by the ASL test suite 531 * (aslts). Do not change them without updating the tests. 532 */ 533 (void) AcpiOsWaitSemaphore (Info->InfoGate, 1, ACPI_WAIT_FOREVER); 534 535 if (Info->InitArgs) 536 { 537 AcpiDbUint32ToHexString (Info->NumCreated, Info->IndexOfThreadStr); 538 AcpiDbUint32ToHexString ((UINT32) AcpiOsGetThreadId (), Info->IdOfThreadStr); 539 } 540 541 if (Info->Threads && (Info->NumCreated < Info->NumThreads)) 542 { 543 Info->Threads[Info->NumCreated++] = AcpiOsGetThreadId(); 544 } 545 546 LocalInfo = *Info; 547 LocalInfo.Args = LocalInfo.Arguments; 548 LocalInfo.Arguments[0] = LocalInfo.NumThreadsStr; 549 LocalInfo.Arguments[1] = LocalInfo.IdOfThreadStr; 550 LocalInfo.Arguments[2] = LocalInfo.IndexOfThreadStr; 551 LocalInfo.Arguments[3] = NULL; 552 553 LocalInfo.Types = LocalInfo.ArgTypes; 554 555 (void) AcpiOsSignalSemaphore (Info->InfoGate, 1); 556 557 for (i = 0; i < Info->NumLoops; i++) 558 { 559 Status = AcpiDbExecuteMethod (&LocalInfo, &ReturnObj); 560 if (ACPI_FAILURE (Status)) 561 { 562 AcpiOsPrintf ("%s During evaluation of %s at iteration %X\n", 563 AcpiFormatException (Status), Info->Pathname, i); 564 if (Status == AE_ABORT_METHOD) 565 { 566 break; 567 } 568 } 569 570 #if 0 571 if ((i % 100) == 0) 572 { 573 AcpiOsPrintf ("%u loops, Thread 0x%x\n", i, AcpiOsGetThreadId ()); 574 } 575 576 if (ReturnObj.Length) 577 { 578 AcpiOsPrintf ("Evaluation of %s returned object %p Buflen %X\n", 579 Info->Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length); 580 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1); 581 } 582 #endif 583 } 584 585 /* Signal our completion */ 586 587 Allow = 0; 588 (void) AcpiOsWaitSemaphore (Info->ThreadCompleteGate, 1, ACPI_WAIT_FOREVER); 589 Info->NumCompleted++; 590 591 if (Info->NumCompleted == Info->NumThreads) 592 { 593 /* Do signal for main thread once only */ 594 Allow = 1; 595 } 596 597 (void) AcpiOsSignalSemaphore (Info->ThreadCompleteGate, 1); 598 599 if (Allow) 600 { 601 Status = AcpiOsSignalSemaphore (Info->MainThreadGate, 1); 602 if (ACPI_FAILURE (Status)) 603 { 604 AcpiOsPrintf ("Could not signal debugger thread sync semaphore, %s\n", 605 AcpiFormatException (Status)); 606 } 607 } 608 } 609 610 611 /******************************************************************************* 612 * 613 * FUNCTION: AcpiDbCreateExecutionThreads 614 * 615 * PARAMETERS: NumThreadsArg - Number of threads to create 616 * NumLoopsArg - Loop count for the thread(s) 617 * MethodNameArg - Control method to execute 618 * 619 * RETURN: None 620 * 621 * DESCRIPTION: Create threads to execute method(s) 622 * 623 ******************************************************************************/ 624 625 void 626 AcpiDbCreateExecutionThreads ( 627 char *NumThreadsArg, 628 char *NumLoopsArg, 629 char *MethodNameArg) 630 { 631 ACPI_STATUS Status; 632 UINT32 NumThreads; 633 UINT32 NumLoops; 634 UINT32 i; 635 UINT32 Size; 636 ACPI_MUTEX MainThreadGate; 637 ACPI_MUTEX ThreadCompleteGate; 638 ACPI_MUTEX InfoGate; 639 640 641 /* Get the arguments */ 642 643 NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0); 644 NumLoops = ACPI_STRTOUL (NumLoopsArg, NULL, 0); 645 646 if (!NumThreads || !NumLoops) 647 { 648 AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n", 649 NumThreads, NumLoops); 650 return; 651 } 652 653 /* 654 * Create the semaphore for synchronization of 655 * the created threads with the main thread. 656 */ 657 Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate); 658 if (ACPI_FAILURE (Status)) 659 { 660 AcpiOsPrintf ("Could not create semaphore for synchronization with the main thread, %s\n", 661 AcpiFormatException (Status)); 662 return; 663 } 664 665 /* 666 * Create the semaphore for synchronization 667 * between the created threads. 668 */ 669 Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate); 670 if (ACPI_FAILURE (Status)) 671 { 672 AcpiOsPrintf ("Could not create semaphore for synchronization between the created threads, %s\n", 673 AcpiFormatException (Status)); 674 (void) AcpiOsDeleteSemaphore (MainThreadGate); 675 return; 676 } 677 678 Status = AcpiOsCreateSemaphore (1, 1, &InfoGate); 679 if (ACPI_FAILURE (Status)) 680 { 681 AcpiOsPrintf ("Could not create semaphore for synchronization of AcpiGbl_DbMethodInfo, %s\n", 682 AcpiFormatException (Status)); 683 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate); 684 (void) AcpiOsDeleteSemaphore (MainThreadGate); 685 return; 686 } 687 688 ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO)); 689 690 /* Array to store IDs of threads */ 691 692 AcpiGbl_DbMethodInfo.NumThreads = NumThreads; 693 Size = sizeof (ACPI_THREAD_ID) * AcpiGbl_DbMethodInfo.NumThreads; 694 AcpiGbl_DbMethodInfo.Threads = AcpiOsAllocate (Size); 695 if (AcpiGbl_DbMethodInfo.Threads == NULL) 696 { 697 AcpiOsPrintf ("No memory for thread IDs array\n"); 698 (void) AcpiOsDeleteSemaphore (MainThreadGate); 699 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate); 700 (void) AcpiOsDeleteSemaphore (InfoGate); 701 return; 702 } 703 ACPI_MEMSET (AcpiGbl_DbMethodInfo.Threads, 0, Size); 704 705 /* Setup the context to be passed to each thread */ 706 707 AcpiGbl_DbMethodInfo.Name = MethodNameArg; 708 AcpiGbl_DbMethodInfo.Flags = 0; 709 AcpiGbl_DbMethodInfo.NumLoops = NumLoops; 710 AcpiGbl_DbMethodInfo.MainThreadGate = MainThreadGate; 711 AcpiGbl_DbMethodInfo.ThreadCompleteGate = ThreadCompleteGate; 712 AcpiGbl_DbMethodInfo.InfoGate = InfoGate; 713 714 /* Init arguments to be passed to method */ 715 716 AcpiGbl_DbMethodInfo.InitArgs = 1; 717 AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments; 718 AcpiGbl_DbMethodInfo.Arguments[0] = AcpiGbl_DbMethodInfo.NumThreadsStr; 719 AcpiGbl_DbMethodInfo.Arguments[1] = AcpiGbl_DbMethodInfo.IdOfThreadStr; 720 AcpiGbl_DbMethodInfo.Arguments[2] = AcpiGbl_DbMethodInfo.IndexOfThreadStr; 721 AcpiGbl_DbMethodInfo.Arguments[3] = NULL; 722 723 AcpiGbl_DbMethodInfo.Types = AcpiGbl_DbMethodInfo.ArgTypes; 724 AcpiGbl_DbMethodInfo.ArgTypes[0] = ACPI_TYPE_INTEGER; 725 AcpiGbl_DbMethodInfo.ArgTypes[1] = ACPI_TYPE_INTEGER; 726 AcpiGbl_DbMethodInfo.ArgTypes[2] = ACPI_TYPE_INTEGER; 727 728 AcpiDbUint32ToHexString (NumThreads, AcpiGbl_DbMethodInfo.NumThreadsStr); 729 730 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); 731 732 /* Get the NS node, determines existence also */ 733 734 Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname, 735 &AcpiGbl_DbMethodInfo.Method); 736 if (ACPI_FAILURE (Status)) 737 { 738 AcpiOsPrintf ("%s Could not get handle for %s\n", 739 AcpiFormatException (Status), AcpiGbl_DbMethodInfo.Pathname); 740 goto CleanupAndExit; 741 } 742 743 /* Create the threads */ 744 745 AcpiOsPrintf ("Creating %X threads to execute %X times each\n", 746 NumThreads, NumLoops); 747 748 for (i = 0; i < (NumThreads); i++) 749 { 750 Status = AcpiOsExecute (OSL_DEBUGGER_THREAD, AcpiDbMethodThread, 751 &AcpiGbl_DbMethodInfo); 752 if (ACPI_FAILURE (Status)) 753 { 754 break; 755 } 756 } 757 758 /* Wait for all threads to complete */ 759 760 (void) AcpiOsWaitSemaphore (MainThreadGate, 1, ACPI_WAIT_FOREVER); 761 762 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 763 AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads); 764 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 765 766 CleanupAndExit: 767 768 /* Cleanup and exit */ 769 770 (void) AcpiOsDeleteSemaphore (MainThreadGate); 771 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate); 772 (void) AcpiOsDeleteSemaphore (InfoGate); 773 774 AcpiOsFree (AcpiGbl_DbMethodInfo.Threads); 775 AcpiGbl_DbMethodInfo.Threads = NULL; 776 } 777 778 #endif /* ACPI_DEBUGGER */ 779