1 /******************************************************************************* 2 * 3 * Module Name: dbexec - debugger control method execution 4 * $Revision: 1.83 $ 5 * 6 ******************************************************************************/ 7 8 /****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2008, Intel Corp. 13 * All rights reserved. 14 * 15 * 2. License 16 * 17 * 2.1. This is your license from Intel Corp. under its intellectual property 18 * rights. You may have additional license terms from the party that provided 19 * you this software, covering your right to use that party's intellectual 20 * property rights. 21 * 22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23 * copy of the source code appearing in this file ("Covered Code") an 24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25 * base code distributed originally by Intel ("Original Intel Code") to copy, 26 * make derivatives, distribute, use and display any portion of the Covered 27 * Code in any form, with the right to sublicense such rights; and 28 * 29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30 * license (with the right to sublicense), under only those claims of Intel 31 * patents that are infringed by the Original Intel Code, to make, use, sell, 32 * offer to sell, and import the Covered Code and derivative works thereof 33 * solely to the minimum extent necessary to exercise the above copyright 34 * license, and in no event shall the patent license extend to any additions 35 * to or modifications of the Original Intel Code. No other license or right 36 * is granted directly or by implication, estoppel or otherwise; 37 * 38 * The above copyright and patent license is granted only if the following 39 * conditions are met: 40 * 41 * 3. Conditions 42 * 43 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44 * Redistribution of source code of any substantial portion of the Covered 45 * Code or modification with rights to further distribute source must include 46 * the above Copyright Notice, the above License, this list of Conditions, 47 * and the following Disclaimer and Export Compliance provision. In addition, 48 * Licensee must cause all Covered Code to which Licensee contributes to 49 * contain a file documenting the changes Licensee made to create that Covered 50 * Code and the date of any change. Licensee must include in that file the 51 * documentation of any changes made by any predecessor Licensee. Licensee 52 * must include a prominent statement that the modification is derived, 53 * directly or indirectly, from Original Intel Code. 54 * 55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56 * Redistribution of source code of any substantial portion of the Covered 57 * Code or modification without rights to further distribute source must 58 * include the following Disclaimer and Export Compliance provision in the 59 * documentation and/or other materials provided with distribution. In 60 * addition, Licensee may not authorize further sublicense of source of any 61 * portion of the Covered Code, and must include terms to the effect that the 62 * license from Licensee to its licensee is limited to the intellectual 63 * property embodied in the software Licensee provides to its licensee, and 64 * not to intellectual property embodied in modifications its licensee may 65 * make. 66 * 67 * 3.3. Redistribution of Executable. Redistribution in executable form of any 68 * substantial portion of the Covered Code or modification must reproduce the 69 * above Copyright Notice, and the following Disclaimer and Export Compliance 70 * provision in the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3.4. Intel retains all right, title, and interest in and to the Original 74 * Intel Code. 75 * 76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77 * Intel shall be used in advertising or otherwise to promote the sale, use or 78 * other dealings in products derived from or relating to the Covered Code 79 * without prior written authorization from Intel. 80 * 81 * 4. Disclaimer and Export Compliance 82 * 83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89 * PARTICULAR PURPOSE. 90 * 91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 * LIMITED REMEDY. 99 * 100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 * software or system incorporating such software without first obtaining any 102 * required license or other approval from the U. S. Department of Commerce or 103 * any other agency or department of the United States Government. In the 104 * event Licensee exports any such software from the United States or 105 * re-exports any such software from a foreign destination, Licensee shall 106 * ensure that the distribution and export/re-export of the software is in 107 * compliance with all laws, regulations, orders, or other restrictions of the 108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 * any of its subsidiaries will export/re-export any technical data, process, 110 * software, or service, directly or indirectly, to any country for which the 111 * United States government or any agency thereof requires an export license, 112 * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117 118 #include "acpi.h" 119 #include "acdebug.h" 120 #include "acnamesp.h" 121 122 #ifdef ACPI_DEBUGGER 123 124 #define _COMPONENT ACPI_CA_DEBUGGER 125 ACPI_MODULE_NAME ("dbexec") 126 127 128 static ACPI_DB_METHOD_INFO AcpiGbl_DbMethodInfo; 129 130 /* Local prototypes */ 131 132 static ACPI_STATUS 133 AcpiDbExecuteMethod ( 134 ACPI_DB_METHOD_INFO *Info, 135 ACPI_BUFFER *ReturnObj); 136 137 static void 138 AcpiDbExecuteSetup ( 139 ACPI_DB_METHOD_INFO *Info); 140 141 static UINT32 142 AcpiDbGetOutstandingAllocations ( 143 void); 144 145 static void ACPI_SYSTEM_XFACE 146 AcpiDbMethodThread ( 147 void *Context); 148 149 static ACPI_STATUS 150 AcpiDbExecutionWalk ( 151 ACPI_HANDLE ObjHandle, 152 UINT32 NestingLevel, 153 void *Context, 154 void **ReturnValue); 155 156 157 /******************************************************************************* 158 * 159 * FUNCTION: AcpiDbExecuteMethod 160 * 161 * PARAMETERS: Info - Valid info segment 162 * ReturnObj - Where to put return object 163 * 164 * RETURN: Status 165 * 166 * DESCRIPTION: Execute a control method. 167 * 168 ******************************************************************************/ 169 170 static ACPI_STATUS 171 AcpiDbExecuteMethod ( 172 ACPI_DB_METHOD_INFO *Info, 173 ACPI_BUFFER *ReturnObj) 174 { 175 ACPI_STATUS Status; 176 ACPI_OBJECT_LIST ParamObjects; 177 ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS]; 178 ACPI_HANDLE Handle; 179 ACPI_BUFFER Buffer; 180 UINT32 i; 181 ACPI_DEVICE_INFO *ObjInfo; 182 183 184 if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel) 185 { 186 AcpiOsPrintf ("Warning: debug output is not enabled!\n"); 187 } 188 189 /* Get the NS node, determines existence also */ 190 191 Status = AcpiGetHandle (NULL, Info->Pathname, &Handle); 192 if (ACPI_FAILURE (Status)) 193 { 194 return (Status); 195 } 196 197 /* Get the object info for number of method parameters */ 198 199 Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER; 200 Status = AcpiGetObjectInfo (Handle, &Buffer); 201 if (ACPI_FAILURE (Status)) 202 { 203 return (Status); 204 } 205 206 ParamObjects.Pointer = NULL; 207 ParamObjects.Count = 0; 208 209 ObjInfo = Buffer.Pointer; 210 if (ObjInfo->Type == ACPI_TYPE_METHOD) 211 { 212 /* Are there arguments to the method? */ 213 214 if (Info->Args && Info->Args[0]) 215 { 216 for (i = 0; Info->Args[i] && i < ACPI_METHOD_NUM_ARGS; i++) 217 { 218 Params[i].Type = ACPI_TYPE_INTEGER; 219 Params[i].Integer.Value = ACPI_STRTOUL (Info->Args[i], NULL, 16); 220 } 221 222 ParamObjects.Pointer = Params; 223 ParamObjects.Count = i; 224 } 225 else 226 { 227 /* Setup default parameters */ 228 229 for (i = 0; i < ObjInfo->ParamCount; i++) 230 { 231 switch (i) 232 { 233 case 0: 234 235 Params[0].Type = ACPI_TYPE_INTEGER; 236 Params[0].Integer.Value = 0x01020304; 237 break; 238 239 case 1: 240 241 Params[1].Type = ACPI_TYPE_STRING; 242 Params[1].String.Length = 12; 243 Params[1].String.Pointer = "AML Debugger"; 244 break; 245 246 default: 247 248 Params[i].Type = ACPI_TYPE_INTEGER; 249 Params[i].Integer.Value = i * (ACPI_INTEGER) 0x1000; 250 break; 251 } 252 } 253 254 ParamObjects.Pointer = Params; 255 ParamObjects.Count = ObjInfo->ParamCount; 256 } 257 } 258 259 ACPI_FREE (Buffer.Pointer); 260 261 /* Prepare for a return object of arbitrary size */ 262 263 ReturnObj->Pointer = AcpiGbl_DbBuffer; 264 ReturnObj->Length = ACPI_DEBUG_BUFFER_SIZE; 265 266 /* Do the actual method execution */ 267 268 AcpiGbl_MethodExecuting = TRUE; 269 Status = AcpiEvaluateObject (NULL, 270 Info->Pathname, &ParamObjects, ReturnObj); 271 272 AcpiGbl_CmSingleStep = FALSE; 273 AcpiGbl_MethodExecuting = FALSE; 274 275 return (Status); 276 } 277 278 279 /******************************************************************************* 280 * 281 * FUNCTION: AcpiDbExecuteSetup 282 * 283 * PARAMETERS: Info - Valid method info 284 * 285 * RETURN: None 286 * 287 * DESCRIPTION: Setup info segment prior to method execution 288 * 289 ******************************************************************************/ 290 291 static void 292 AcpiDbExecuteSetup ( 293 ACPI_DB_METHOD_INFO *Info) 294 { 295 296 /* Catenate the current scope to the supplied name */ 297 298 Info->Pathname[0] = 0; 299 if ((Info->Name[0] != '\\') && 300 (Info->Name[0] != '/')) 301 { 302 ACPI_STRCAT (Info->Pathname, AcpiGbl_DbScopeBuf); 303 } 304 305 ACPI_STRCAT (Info->Pathname, Info->Name); 306 AcpiDbPrepNamestring (Info->Pathname); 307 308 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 309 AcpiOsPrintf ("Executing %s\n", Info->Pathname); 310 311 if (Info->Flags & EX_SINGLE_STEP) 312 { 313 AcpiGbl_CmSingleStep = TRUE; 314 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 315 } 316 317 else 318 { 319 /* No single step, allow redirection to a file */ 320 321 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT); 322 } 323 } 324 325 326 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 327 UINT32 328 AcpiDbGetCacheInfo ( 329 ACPI_MEMORY_LIST *Cache) 330 { 331 332 return (Cache->TotalAllocated - Cache->TotalFreed - Cache->CurrentDepth); 333 } 334 #endif 335 336 /******************************************************************************* 337 * 338 * FUNCTION: AcpiDbGetOutstandingAllocations 339 * 340 * PARAMETERS: None 341 * 342 * RETURN: Current global allocation count minus cache entries 343 * 344 * DESCRIPTION: Determine the current number of "outstanding" allocations -- 345 * those allocations that have not been freed and also are not 346 * in one of the various object caches. 347 * 348 ******************************************************************************/ 349 350 static UINT32 351 AcpiDbGetOutstandingAllocations ( 352 void) 353 { 354 UINT32 Outstanding = 0; 355 356 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 357 358 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_StateCache); 359 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeCache); 360 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeExtCache); 361 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_OperandCache); 362 #endif 363 364 return (Outstanding); 365 } 366 367 368 /******************************************************************************* 369 * 370 * FUNCTION: AcpiDbExecutionWalk 371 * 372 * PARAMETERS: WALK_CALLBACK 373 * 374 * RETURN: Status 375 * 376 * DESCRIPTION: Execute a control method. Name is relative to the current 377 * scope. 378 * 379 ******************************************************************************/ 380 381 static ACPI_STATUS 382 AcpiDbExecutionWalk ( 383 ACPI_HANDLE ObjHandle, 384 UINT32 NestingLevel, 385 void *Context, 386 void **ReturnValue) 387 { 388 ACPI_OPERAND_OBJECT *ObjDesc; 389 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 390 ACPI_BUFFER ReturnObj; 391 ACPI_STATUS Status; 392 393 394 ObjDesc = AcpiNsGetAttachedObject (Node); 395 if (ObjDesc->Method.ParamCount) 396 { 397 return (AE_OK); 398 } 399 400 ReturnObj.Pointer = NULL; 401 ReturnObj.Length = ACPI_ALLOCATE_BUFFER; 402 403 AcpiNsPrintNodePathname (Node, "Execute"); 404 405 /* Do the actual method execution */ 406 407 AcpiOsPrintf ("\n"); 408 AcpiGbl_MethodExecuting = TRUE; 409 410 Status = AcpiEvaluateObject (Node, NULL, NULL, &ReturnObj); 411 412 AcpiOsPrintf ("[%4.4s] returned %s\n", AcpiUtGetNodeName (Node), 413 AcpiFormatException (Status)); 414 AcpiGbl_MethodExecuting = FALSE; 415 416 return (AE_OK); 417 } 418 419 420 /******************************************************************************* 421 * 422 * FUNCTION: AcpiDbExecute 423 * 424 * PARAMETERS: Name - Name of method to execute 425 * Args - Parameters to the method 426 * Flags - single step/no single step 427 * 428 * RETURN: None 429 * 430 * DESCRIPTION: Execute a control method. Name is relative to the current 431 * scope. 432 * 433 ******************************************************************************/ 434 435 void 436 AcpiDbExecute ( 437 char *Name, 438 char **Args, 439 UINT32 Flags) 440 { 441 ACPI_STATUS Status; 442 ACPI_BUFFER ReturnObj; 443 char *NameString; 444 445 446 #ifdef ACPI_DEBUG_OUTPUT 447 UINT32 PreviousAllocations; 448 UINT32 Allocations; 449 450 451 /* Memory allocation tracking */ 452 453 PreviousAllocations = AcpiDbGetOutstandingAllocations (); 454 #endif 455 456 if (*Name == '*') 457 { 458 (void) AcpiWalkNamespace (ACPI_TYPE_METHOD, ACPI_ROOT_OBJECT, 459 ACPI_UINT32_MAX, AcpiDbExecutionWalk, NULL, NULL); 460 return; 461 } 462 else 463 { 464 NameString = ACPI_ALLOCATE (ACPI_STRLEN (Name) + 1); 465 if (!NameString) 466 { 467 return; 468 } 469 470 ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO)); 471 472 ACPI_STRCPY (NameString, Name); 473 AcpiUtStrupr (NameString); 474 AcpiGbl_DbMethodInfo.Name = NameString; 475 AcpiGbl_DbMethodInfo.Args = Args; 476 AcpiGbl_DbMethodInfo.Flags = Flags; 477 478 ReturnObj.Pointer = NULL; 479 ReturnObj.Length = ACPI_ALLOCATE_BUFFER; 480 481 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); 482 Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj); 483 ACPI_FREE (NameString); 484 } 485 486 /* 487 * Allow any handlers in separate threads to complete. 488 * (Such as Notify handlers invoked from AML executed above). 489 */ 490 AcpiOsSleep ((ACPI_INTEGER) 10); 491 492 493 #ifdef ACPI_DEBUG_OUTPUT 494 495 /* Memory allocation tracking */ 496 497 Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations; 498 499 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 500 501 if (Allocations > 0) 502 { 503 AcpiOsPrintf ("Outstanding: 0x%X allocations after execution\n", 504 Allocations); 505 } 506 #endif 507 508 if (ACPI_FAILURE (Status)) 509 { 510 AcpiOsPrintf ("Execution of %s failed with status %s\n", 511 AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status)); 512 } 513 else 514 { 515 /* Display a return object, if any */ 516 517 if (ReturnObj.Length) 518 { 519 AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n", 520 AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer, 521 (UINT32) ReturnObj.Length); 522 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1); 523 } 524 else 525 { 526 AcpiOsPrintf ("No return object from execution of %s\n", 527 AcpiGbl_DbMethodInfo.Pathname); 528 } 529 } 530 531 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 532 } 533 534 535 /******************************************************************************* 536 * 537 * FUNCTION: AcpiDbMethodThread 538 * 539 * PARAMETERS: Context - Execution info segment 540 * 541 * RETURN: None 542 * 543 * DESCRIPTION: Debugger execute thread. Waits for a command line, then 544 * simply dispatches it. 545 * 546 ******************************************************************************/ 547 548 static void ACPI_SYSTEM_XFACE 549 AcpiDbMethodThread ( 550 void *Context) 551 { 552 ACPI_STATUS Status; 553 ACPI_DB_METHOD_INFO *Info = Context; 554 UINT32 i; 555 UINT8 Allow; 556 ACPI_BUFFER ReturnObj; 557 558 559 if (Info->InitArgs) 560 { 561 AcpiDbUInt32ToHexString (Info->NumCreated, Info->IndexOfThreadStr); 562 AcpiDbUInt32ToHexString ((UINT32) AcpiOsGetThreadId (), Info->IdOfThreadStr); 563 } 564 565 if (Info->Threads && (Info->NumCreated < Info->NumThreads)) 566 { 567 Info->Threads[Info->NumCreated++] = (UINT32) AcpiOsGetThreadId(); 568 } 569 570 for (i = 0; i < Info->NumLoops; i++) 571 { 572 Status = AcpiDbExecuteMethod (Info, &ReturnObj); 573 if (ACPI_FAILURE (Status)) 574 { 575 AcpiOsPrintf ("%s During execution of %s at iteration %X\n", 576 AcpiFormatException (Status), Info->Pathname, i); 577 if (Status == AE_ABORT_METHOD) 578 { 579 break; 580 } 581 } 582 583 #if 0 584 if ((i % 100) == 0) 585 { 586 AcpiOsPrintf ("%d executions, Thread 0x%x\n", i, AcpiOsGetThreadId ()); 587 } 588 589 if (ReturnObj.Length) 590 { 591 AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n", 592 Info->Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length); 593 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1); 594 } 595 #endif 596 } 597 598 /* Signal our completion */ 599 600 Allow = 0; 601 (void) AcpiOsWaitSemaphore (Info->ThreadCompleteGate, 1, ACPI_WAIT_FOREVER); 602 Info->NumCompleted++; 603 604 if (Info->NumCompleted == Info->NumThreads) 605 { 606 /* Do signal for main thread once only */ 607 Allow = 1; 608 } 609 610 (void) AcpiOsSignalSemaphore (Info->ThreadCompleteGate, 1); 611 612 if (Allow) 613 { 614 Status = AcpiOsSignalSemaphore (Info->MainThreadGate, 1); 615 if (ACPI_FAILURE (Status)) 616 { 617 AcpiOsPrintf ("Could not signal debugger thread sync semaphore, %s\n", 618 AcpiFormatException (Status)); 619 } 620 } 621 } 622 623 624 /******************************************************************************* 625 * 626 * FUNCTION: AcpiDbCreateExecutionThreads 627 * 628 * PARAMETERS: NumThreadsArg - Number of threads to create 629 * NumLoopsArg - Loop count for the thread(s) 630 * MethodNameArg - Control method to execute 631 * 632 * RETURN: None 633 * 634 * DESCRIPTION: Create threads to execute method(s) 635 * 636 ******************************************************************************/ 637 638 void 639 AcpiDbCreateExecutionThreads ( 640 char *NumThreadsArg, 641 char *NumLoopsArg, 642 char *MethodNameArg) 643 { 644 ACPI_STATUS Status; 645 UINT32 NumThreads; 646 UINT32 NumLoops; 647 UINT32 i; 648 UINT32 Size; 649 ACPI_MUTEX MainThreadGate; 650 ACPI_MUTEX ThreadCompleteGate; 651 652 /* Get the arguments */ 653 654 NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0); 655 NumLoops = ACPI_STRTOUL (NumLoopsArg, NULL, 0); 656 657 if (!NumThreads || !NumLoops) 658 { 659 AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n", 660 NumThreads, NumLoops); 661 return; 662 } 663 664 /* 665 * Create the semaphore for synchronization of 666 * the created threads with the main thread. 667 */ 668 Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate); 669 if (ACPI_FAILURE (Status)) 670 { 671 AcpiOsPrintf ("Could not create semaphore for synchronization with the main thread, %s\n", 672 AcpiFormatException (Status)); 673 return; 674 } 675 676 /* 677 * Create the semaphore for synchronization 678 * between the created threads. 679 */ 680 Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate); 681 if (ACPI_FAILURE (Status)) 682 { 683 AcpiOsPrintf ("Could not create semaphore for synchronization between the created threads, %s\n", 684 AcpiFormatException (Status)); 685 (void) AcpiOsDeleteSemaphore (MainThreadGate); 686 return; 687 } 688 689 ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO)); 690 691 /* Array to store IDs of threads */ 692 693 AcpiGbl_DbMethodInfo.NumThreads = NumThreads; 694 Size = 4 * AcpiGbl_DbMethodInfo.NumThreads; 695 AcpiGbl_DbMethodInfo.Threads = (UINT32 *) AcpiOsAllocate (Size); 696 if (AcpiGbl_DbMethodInfo.Threads == NULL) 697 { 698 AcpiOsPrintf ("No memory for thread IDs array\n"); 699 (void) AcpiOsDeleteSemaphore (MainThreadGate); 700 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate); 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; 712 713 /* Init arguments to be passed to method */ 714 715 AcpiGbl_DbMethodInfo.InitArgs = 1; 716 AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments; 717 AcpiGbl_DbMethodInfo.Arguments[0] = AcpiGbl_DbMethodInfo.NumThreadsStr; 718 AcpiGbl_DbMethodInfo.Arguments[1] = AcpiGbl_DbMethodInfo.IdOfThreadStr; 719 AcpiGbl_DbMethodInfo.Arguments[2] = AcpiGbl_DbMethodInfo.IndexOfThreadStr; 720 AcpiGbl_DbMethodInfo.Arguments[3] = NULL; 721 AcpiDbUInt32ToHexString (NumThreads, AcpiGbl_DbMethodInfo.NumThreadsStr); 722 723 AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); 724 725 /* Create the threads */ 726 727 AcpiOsPrintf ("Creating %X threads to execute %X times each\n", 728 NumThreads, NumLoops); 729 730 for (i = 0; i < (NumThreads); i++) 731 { 732 Status = AcpiOsExecute (OSL_DEBUGGER_THREAD, AcpiDbMethodThread, 733 &AcpiGbl_DbMethodInfo); 734 if (ACPI_FAILURE (Status)) 735 { 736 break; 737 } 738 } 739 740 /* Wait for all threads to complete */ 741 742 (void) AcpiOsWaitSemaphore (MainThreadGate, 1, ACPI_WAIT_FOREVER); 743 744 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 745 AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads); 746 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 747 748 /* Cleanup and exit */ 749 750 (void) AcpiOsDeleteSemaphore (MainThreadGate); 751 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate); 752 753 AcpiOsFree (AcpiGbl_DbMethodInfo.Threads); 754 AcpiGbl_DbMethodInfo.Threads = NULL; 755 } 756 757 #endif /* ACPI_DEBUGGER */ 758 759 760