1 /******************************************************************************* 2 * 3 * Module Name: dbexec - debugger control method execution 4 * 5 ******************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #include "acpi.h" 153 #include "accommon.h" 154 #include "acdebug.h" 155 #include "acnamesp.h" 156 157 158 #define _COMPONENT ACPI_CA_DEBUGGER 159 ACPI_MODULE_NAME ("dbexec") 160 161 162 static ACPI_DB_METHOD_INFO AcpiGbl_DbMethodInfo; 163 164 /* Local prototypes */ 165 166 static ACPI_STATUS 167 AcpiDbExecuteMethod ( 168 ACPI_DB_METHOD_INFO *Info, 169 ACPI_BUFFER *ReturnObj); 170 171 static ACPI_STATUS 172 AcpiDbExecuteSetup ( 173 ACPI_DB_METHOD_INFO *Info); 174 175 static UINT32 176 AcpiDbGetOutstandingAllocations ( 177 void); 178 179 static void ACPI_SYSTEM_XFACE 180 AcpiDbMethodThread ( 181 void *Context); 182 183 static ACPI_STATUS 184 AcpiDbExecutionWalk ( 185 ACPI_HANDLE ObjHandle, 186 UINT32 NestingLevel, 187 void *Context, 188 void **ReturnValue); 189 190 static void ACPI_SYSTEM_XFACE 191 AcpiDbSingleExecutionThread ( 192 void *Context); 193 194 195 /******************************************************************************* 196 * 197 * FUNCTION: AcpiDbDeleteObjects 198 * 199 * PARAMETERS: Count - Count of objects in the list 200 * Objects - Array of ACPI_OBJECTs to be deleted 201 * 202 * RETURN: None 203 * 204 * DESCRIPTION: Delete a list of ACPI_OBJECTS. Handles packages and nested 205 * packages via recursion. 206 * 207 ******************************************************************************/ 208 209 void 210 AcpiDbDeleteObjects ( 211 UINT32 Count, 212 ACPI_OBJECT *Objects) 213 { 214 UINT32 i; 215 216 217 for (i = 0; i < Count; i++) 218 { 219 switch (Objects[i].Type) 220 { 221 case ACPI_TYPE_BUFFER: 222 223 ACPI_FREE (Objects[i].Buffer.Pointer); 224 break; 225 226 case ACPI_TYPE_PACKAGE: 227 228 /* Recursive call to delete package elements */ 229 230 AcpiDbDeleteObjects (Objects[i].Package.Count, 231 Objects[i].Package.Elements); 232 233 /* Free the elements array */ 234 235 ACPI_FREE (Objects[i].Package.Elements); 236 break; 237 238 default: 239 240 break; 241 } 242 } 243 } 244 245 246 /******************************************************************************* 247 * 248 * FUNCTION: AcpiDbExecuteMethod 249 * 250 * PARAMETERS: Info - Valid info segment 251 * ReturnObj - Where to put return object 252 * 253 * RETURN: Status 254 * 255 * DESCRIPTION: Execute a control method. Used to evaluate objects via the 256 * "EXECUTE" or "EVALUATE" commands. 257 * 258 ******************************************************************************/ 259 260 static ACPI_STATUS 261 AcpiDbExecuteMethod ( 262 ACPI_DB_METHOD_INFO *Info, 263 ACPI_BUFFER *ReturnObj) 264 { 265 ACPI_STATUS Status; 266 ACPI_OBJECT_LIST ParamObjects; 267 ACPI_OBJECT Params[ACPI_DEBUGGER_MAX_ARGS + 1]; 268 UINT32 i; 269 270 271 ACPI_FUNCTION_TRACE (DbExecuteMethod); 272 273 274 if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel) 275 { 276 AcpiOsPrintf ("Warning: debug output is not enabled!\n"); 277 } 278 279 ParamObjects.Count = 0; 280 ParamObjects.Pointer = NULL; 281 282 /* Pass through any command-line arguments */ 283 284 if (Info->Args && Info->Args[0]) 285 { 286 /* Get arguments passed on the command line */ 287 288 for (i = 0; (Info->Args[i] && *(Info->Args[i])); i++) 289 { 290 /* Convert input string (token) to an actual ACPI_OBJECT */ 291 292 Status = AcpiDbConvertToObject (Info->Types[i], 293 Info->Args[i], &Params[i]); 294 if (ACPI_FAILURE (Status)) 295 { 296 ACPI_EXCEPTION ((AE_INFO, Status, 297 "While parsing method arguments")); 298 goto Cleanup; 299 } 300 } 301 302 ParamObjects.Count = i; 303 ParamObjects.Pointer = Params; 304 } 305 306 /* Prepare for a return object of arbitrary size */ 307 308 ReturnObj->Pointer = AcpiGbl_DbBuffer; 309 ReturnObj->Length = ACPI_DEBUG_BUFFER_SIZE; 310 311 /* Do the actual method execution */ 312 313 AcpiGbl_MethodExecuting = TRUE; 314 Status = AcpiEvaluateObject (NULL, Info->Pathname, 315 &ParamObjects, ReturnObj); 316 317 AcpiGbl_CmSingleStep = FALSE; 318 AcpiGbl_MethodExecuting = FALSE; 319 320 if (ACPI_FAILURE (Status)) 321 { 322 if ((Status == AE_ABORT_METHOD) || AcpiGbl_AbortMethod) 323 { 324 /* Clear the abort and fall back to the debugger prompt */ 325 326 ACPI_EXCEPTION ((AE_INFO, Status, 327 "Aborting top-level method")); 328 329 AcpiGbl_AbortMethod = FALSE; 330 Status = AE_OK; 331 goto Cleanup; 332 } 333 334 ACPI_EXCEPTION ((AE_INFO, Status, 335 "while executing %s from AML Debugger", Info->Pathname)); 336 337 if (Status == AE_BUFFER_OVERFLOW) 338 { 339 ACPI_ERROR ((AE_INFO, 340 "Possible buffer overflow within AML Debugger " 341 "buffer (size 0x%X needed 0x%X)", 342 ACPI_DEBUG_BUFFER_SIZE, (UINT32) ReturnObj->Length)); 343 } 344 } 345 346 Cleanup: 347 AcpiDbDeleteObjects (ParamObjects.Count, Params); 348 return_ACPI_STATUS (Status); 349 } 350 351 352 /******************************************************************************* 353 * 354 * FUNCTION: AcpiDbExecuteSetup 355 * 356 * PARAMETERS: Info - Valid method info 357 * 358 * RETURN: None 359 * 360 * DESCRIPTION: Setup info segment prior to method execution 361 * 362 ******************************************************************************/ 363 364 static ACPI_STATUS 365 AcpiDbExecuteSetup ( 366 ACPI_DB_METHOD_INFO *Info) 367 { 368 ACPI_STATUS Status; 369 370 371 ACPI_FUNCTION_NAME (DbExecuteSetup); 372 373 374 /* Concatenate the current scope to the supplied name */ 375 376 Info->Pathname[0] = 0; 377 if ((Info->Name[0] != '\\') && 378 (Info->Name[0] != '/')) 379 { 380 if (AcpiUtSafeStrcat (Info->Pathname, sizeof (Info->Pathname), 381 AcpiGbl_DbScopeBuf)) 382 { 383 Status = AE_BUFFER_OVERFLOW; 384 goto ErrorExit; 385 } 386 } 387 388 if (AcpiUtSafeStrcat (Info->Pathname, sizeof (Info->Pathname), 389 Info->Name)) 390 { 391 Status = AE_BUFFER_OVERFLOW; 392 goto ErrorExit; 393 } 394 395 AcpiDbPrepNamestring (Info->Pathname); 396 397 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 398 AcpiOsPrintf ("Evaluating %s\n", Info->Pathname); 399 400 if (Info->Flags & EX_SINGLE_STEP) 401 { 402 AcpiGbl_CmSingleStep = TRUE; 403 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 404 } 405 406 else 407 { 408 /* No single step, allow redirection to a file */ 409 410 AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT); 411 } 412 413 return (AE_OK); 414 415 ErrorExit: 416 417 ACPI_EXCEPTION ((AE_INFO, Status, "During setup for method execution")); 418 return (Status); 419 } 420 421 422 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 423 UINT32 424 AcpiDbGetCacheInfo ( 425 ACPI_MEMORY_LIST *Cache) 426 { 427 428 return (Cache->TotalAllocated - Cache->TotalFreed - Cache->CurrentDepth); 429 } 430 #endif 431 432 /******************************************************************************* 433 * 434 * FUNCTION: AcpiDbGetOutstandingAllocations 435 * 436 * PARAMETERS: None 437 * 438 * RETURN: Current global allocation count minus cache entries 439 * 440 * DESCRIPTION: Determine the current number of "outstanding" allocations -- 441 * those allocations that have not been freed and also are not 442 * in one of the various object caches. 443 * 444 ******************************************************************************/ 445 446 #ifdef ACPI_DEBUG_OUTPUT 447 static UINT32 448 AcpiDbGetOutstandingAllocations ( 449 void) 450 { 451 UINT32 Outstanding = 0; 452 453 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 454 455 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_StateCache); 456 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeCache); 457 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeExtCache); 458 Outstanding += AcpiDbGetCacheInfo (AcpiGbl_OperandCache); 459 #endif 460 461 return (Outstanding); 462 } 463 #endif 464 465 466 /******************************************************************************* 467 * 468 * FUNCTION: AcpiDbExecutionWalk 469 * 470 * PARAMETERS: WALK_CALLBACK 471 * 472 * RETURN: Status 473 * 474 * DESCRIPTION: Execute a control method. Name is relative to the current 475 * scope. 476 * 477 ******************************************************************************/ 478 479 static ACPI_STATUS 480 AcpiDbExecutionWalk ( 481 ACPI_HANDLE ObjHandle, 482 UINT32 NestingLevel, 483 void *Context, 484 void **ReturnValue) 485 { 486 ACPI_OPERAND_OBJECT *ObjDesc; 487 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 488 ACPI_BUFFER ReturnObj; 489 ACPI_STATUS Status; 490 491 492 ObjDesc = AcpiNsGetAttachedObject (Node); 493 if (ObjDesc->Method.ParamCount) 494 { 495 return (AE_OK); 496 } 497 498 ReturnObj.Pointer = NULL; 499 ReturnObj.Length = ACPI_ALLOCATE_BUFFER; 500 501 AcpiNsPrintNodePathname (Node, "Evaluating"); 502 503 /* Do the actual method execution */ 504 505 AcpiOsPrintf ("\n"); 506 AcpiGbl_MethodExecuting = TRUE; 507 508 Status = AcpiEvaluateObject (Node, NULL, NULL, &ReturnObj); 509 510 AcpiGbl_MethodExecuting = FALSE; 511 512 AcpiOsPrintf ("Evaluation of [%4.4s] returned %s\n", 513 AcpiUtGetNodeName (Node), 514 AcpiFormatException (Status)); 515 516 return (AE_OK); 517 } 518 519 520 /******************************************************************************* 521 * 522 * FUNCTION: AcpiDbExecute 523 * 524 * PARAMETERS: Name - Name of method to execute 525 * Args - Parameters to the method 526 * Types - 527 * Flags - single step/no single step 528 * 529 * RETURN: None 530 * 531 * DESCRIPTION: Execute a control method. Name is relative to the current 532 * scope. Function used for the "EXECUTE", "EVALUATE", and 533 * "ALL" commands 534 * 535 ******************************************************************************/ 536 537 void 538 AcpiDbExecute ( 539 char *Name, 540 char **Args, 541 ACPI_OBJECT_TYPE *Types, 542 UINT32 Flags) 543 { 544 ACPI_STATUS Status; 545 ACPI_BUFFER ReturnObj; 546 char *NameString; 547 548 #ifdef ACPI_DEBUG_OUTPUT 549 UINT32 PreviousAllocations; 550 UINT32 Allocations; 551 #endif 552 553 554 /* 555 * Allow one execution to be performed by debugger or single step 556 * execution will be dead locked by the interpreter mutexes. 557 */ 558 if (AcpiGbl_MethodExecuting) 559 { 560 AcpiOsPrintf ("Only one debugger execution is allowed.\n"); 561 return; 562 } 563 564 #ifdef ACPI_DEBUG_OUTPUT 565 /* Memory allocation tracking */ 566 567 PreviousAllocations = AcpiDbGetOutstandingAllocations (); 568 #endif 569 570 if (*Name == '*') 571 { 572 (void) AcpiWalkNamespace (ACPI_TYPE_METHOD, ACPI_ROOT_OBJECT, 573 ACPI_UINT32_MAX, AcpiDbExecutionWalk, NULL, NULL, NULL); 574 return; 575 } 576 577 if ((Flags & EX_ALL) && (strlen (Name) > 4)) 578 { 579 AcpiOsPrintf ("Input name (%s) must be a 4-char NameSeg\n", Name); 580 return; 581 } 582 583 NameString = ACPI_ALLOCATE (strlen (Name) + 1); 584 if (!NameString) 585 { 586 return; 587 } 588 589 memset (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO)); 590 strcpy (NameString, Name); 591 AcpiUtStrupr (NameString); 592 593 /* Subcommand to Execute all predefined names in the namespace */ 594 595 if (!strncmp (NameString, "PREDEF", 6)) 596 { 597 AcpiDbEvaluatePredefinedNames (); 598 ACPI_FREE (NameString); 599 return; 600 } 601 602 /* Command (ALL <nameseg>) to execute all methods of a particular name */ 603 604 else if (Flags & EX_ALL) 605 { 606 AcpiGbl_DbMethodInfo.Name = NameString; 607 ReturnObj.Pointer = NULL; 608 ReturnObj.Length = ACPI_ALLOCATE_BUFFER; 609 AcpiDbEvaluateAll (NameString); 610 ACPI_FREE (NameString); 611 return; 612 } 613 else 614 { 615 AcpiGbl_DbMethodInfo.Name = NameString; 616 AcpiGbl_DbMethodInfo.Args = Args; 617 AcpiGbl_DbMethodInfo.Types = Types; 618 AcpiGbl_DbMethodInfo.Flags = Flags; 619 620 ReturnObj.Pointer = NULL; 621 ReturnObj.Length = ACPI_ALLOCATE_BUFFER; 622 } 623 624 Status = AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); 625 if (ACPI_FAILURE (Status)) 626 { 627 ACPI_FREE (NameString); 628 return; 629 } 630 631 /* Get the NS node, determines existence also */ 632 633 Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname, 634 &AcpiGbl_DbMethodInfo.Method); 635 if (ACPI_SUCCESS (Status)) 636 { 637 Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, 638 &ReturnObj); 639 } 640 ACPI_FREE (NameString); 641 642 /* 643 * Allow any handlers in separate threads to complete. 644 * (Such as Notify handlers invoked from AML executed above). 645 */ 646 AcpiOsSleep ((UINT64) 10); 647 648 #ifdef ACPI_DEBUG_OUTPUT 649 650 /* Memory allocation tracking */ 651 652 Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations; 653 654 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 655 656 if (Allocations > 0) 657 { 658 AcpiOsPrintf ( 659 "0x%X Outstanding allocations after evaluation of %s\n", 660 Allocations, AcpiGbl_DbMethodInfo.Pathname); 661 } 662 #endif 663 664 if (ACPI_FAILURE (Status)) 665 { 666 AcpiOsPrintf ("Evaluation of %s failed with status %s\n", 667 AcpiGbl_DbMethodInfo.Pathname, 668 AcpiFormatException (Status)); 669 } 670 else 671 { 672 /* Display a return object, if any */ 673 674 if (ReturnObj.Length) 675 { 676 AcpiOsPrintf ( 677 "Evaluation of %s returned object %p, " 678 "external buffer length %X\n", 679 AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer, 680 (UINT32) ReturnObj.Length); 681 682 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1); 683 AcpiOsPrintf ("\n"); 684 685 /* Dump a _PLD buffer if present */ 686 687 if (ACPI_COMPARE_NAMESEG ((ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, 688 AcpiGbl_DbMethodInfo.Method)->Name.Ascii), 689 METHOD_NAME__PLD)) 690 { 691 AcpiDbDumpPldBuffer (ReturnObj.Pointer); 692 } 693 } 694 else 695 { 696 AcpiOsPrintf ("No object was returned from evaluation of %s\n", 697 AcpiGbl_DbMethodInfo.Pathname); 698 } 699 } 700 701 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 702 } 703 704 705 /******************************************************************************* 706 * 707 * FUNCTION: AcpiDbMethodThread 708 * 709 * PARAMETERS: Context - Execution info segment 710 * 711 * RETURN: None 712 * 713 * DESCRIPTION: Debugger execute thread. Waits for a command line, then 714 * simply dispatches it. 715 * 716 ******************************************************************************/ 717 718 static void ACPI_SYSTEM_XFACE 719 AcpiDbMethodThread ( 720 void *Context) 721 { 722 ACPI_STATUS Status; 723 ACPI_DB_METHOD_INFO *Info = Context; 724 ACPI_DB_METHOD_INFO LocalInfo; 725 UINT32 i; 726 UINT8 Allow; 727 ACPI_BUFFER ReturnObj; 728 729 730 /* 731 * AcpiGbl_DbMethodInfo.Arguments will be passed as method arguments. 732 * Prevent AcpiGbl_DbMethodInfo from being modified by multiple threads 733 * concurrently. 734 * 735 * Note: The arguments we are passing are used by the ASL test suite 736 * (aslts). Do not change them without updating the tests. 737 */ 738 (void) AcpiOsWaitSemaphore (Info->InfoGate, 1, ACPI_WAIT_FOREVER); 739 740 if (Info->InitArgs) 741 { 742 AcpiDbUint32ToHexString (Info->NumCreated, 743 Info->IndexOfThreadStr); 744 AcpiDbUint32ToHexString ((UINT32) AcpiOsGetThreadId (), 745 Info->IdOfThreadStr); 746 } 747 748 if (Info->Threads && (Info->NumCreated < Info->NumThreads)) 749 { 750 Info->Threads[Info->NumCreated++] = AcpiOsGetThreadId(); 751 } 752 753 LocalInfo = *Info; 754 LocalInfo.Args = LocalInfo.Arguments; 755 LocalInfo.Arguments[0] = LocalInfo.NumThreadsStr; 756 LocalInfo.Arguments[1] = LocalInfo.IdOfThreadStr; 757 LocalInfo.Arguments[2] = LocalInfo.IndexOfThreadStr; 758 LocalInfo.Arguments[3] = NULL; 759 760 LocalInfo.Types = LocalInfo.ArgTypes; 761 762 (void) AcpiOsSignalSemaphore (Info->InfoGate, 1); 763 764 for (i = 0; i < Info->NumLoops; i++) 765 { 766 Status = AcpiDbExecuteMethod (&LocalInfo, &ReturnObj); 767 if (ACPI_FAILURE (Status)) 768 { 769 AcpiOsPrintf ("%s During evaluation of %s at iteration %X\n", 770 AcpiFormatException (Status), Info->Pathname, i); 771 if (Status == AE_ABORT_METHOD) 772 { 773 break; 774 } 775 } 776 777 #if 0 778 if ((i % 100) == 0) 779 { 780 AcpiOsPrintf ("%u loops, Thread 0x%x\n", 781 i, AcpiOsGetThreadId ()); 782 } 783 784 if (ReturnObj.Length) 785 { 786 AcpiOsPrintf ("Evaluation of %s returned object %p Buflen %X\n", 787 Info->Pathname, ReturnObj.Pointer, 788 (UINT32) ReturnObj.Length); 789 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1); 790 } 791 #endif 792 } 793 794 /* Signal our completion */ 795 796 Allow = 0; 797 (void) AcpiOsWaitSemaphore (Info->ThreadCompleteGate, 798 1, ACPI_WAIT_FOREVER); 799 Info->NumCompleted++; 800 801 if (Info->NumCompleted == Info->NumThreads) 802 { 803 /* Do signal for main thread once only */ 804 Allow = 1; 805 } 806 807 (void) AcpiOsSignalSemaphore (Info->ThreadCompleteGate, 1); 808 809 if (Allow) 810 { 811 Status = AcpiOsSignalSemaphore (Info->MainThreadGate, 1); 812 if (ACPI_FAILURE (Status)) 813 { 814 AcpiOsPrintf ( 815 "Could not signal debugger thread sync semaphore, %s\n", 816 AcpiFormatException (Status)); 817 } 818 } 819 } 820 821 822 /******************************************************************************* 823 * 824 * FUNCTION: AcpiDbSingleExecutionThread 825 * 826 * PARAMETERS: Context - Method info struct 827 * 828 * RETURN: None 829 * 830 * DESCRIPTION: Create one thread and execute a method 831 * 832 ******************************************************************************/ 833 834 static void ACPI_SYSTEM_XFACE 835 AcpiDbSingleExecutionThread ( 836 void *Context) 837 { 838 ACPI_DB_METHOD_INFO *Info = Context; 839 ACPI_STATUS Status; 840 ACPI_BUFFER ReturnObj; 841 842 843 AcpiOsPrintf ("\n"); 844 845 Status = AcpiDbExecuteMethod (Info, &ReturnObj); 846 if (ACPI_FAILURE (Status)) 847 { 848 AcpiOsPrintf ("%s During evaluation of %s\n", 849 AcpiFormatException (Status), Info->Pathname); 850 return; 851 } 852 853 /* Display a return object, if any */ 854 855 if (ReturnObj.Length) 856 { 857 AcpiOsPrintf ("Evaluation of %s returned object %p, " 858 "external buffer length %X\n", 859 AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer, 860 (UINT32) ReturnObj.Length); 861 862 AcpiDbDumpExternalObject (ReturnObj.Pointer, 1); 863 } 864 865 AcpiOsPrintf ("\nBackground thread completed\n%c ", 866 ACPI_DEBUGGER_COMMAND_PROMPT); 867 } 868 869 870 /******************************************************************************* 871 * 872 * FUNCTION: AcpiDbCreateExecutionThread 873 * 874 * PARAMETERS: MethodNameArg - Control method to execute 875 * Arguments - Array of arguments to the method 876 * Types - Corresponding array of object types 877 * 878 * RETURN: None 879 * 880 * DESCRIPTION: Create a single thread to evaluate a namespace object. Handles 881 * arguments passed on command line for control methods. 882 * 883 ******************************************************************************/ 884 885 void 886 AcpiDbCreateExecutionThread ( 887 char *MethodNameArg, 888 char **Arguments, 889 ACPI_OBJECT_TYPE *Types) 890 { 891 ACPI_STATUS Status; 892 UINT32 i; 893 894 895 memset (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO)); 896 AcpiGbl_DbMethodInfo.Name = MethodNameArg; 897 AcpiGbl_DbMethodInfo.InitArgs = 1; 898 AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments; 899 AcpiGbl_DbMethodInfo.Types = AcpiGbl_DbMethodInfo.ArgTypes; 900 901 /* Setup method arguments, up to 7 (0-6) */ 902 903 for (i = 0; (i < ACPI_METHOD_NUM_ARGS) && *Arguments; i++) 904 { 905 AcpiGbl_DbMethodInfo.Arguments[i] = *Arguments; 906 Arguments++; 907 908 AcpiGbl_DbMethodInfo.ArgTypes[i] = *Types; 909 Types++; 910 } 911 912 Status = AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); 913 if (ACPI_FAILURE (Status)) 914 { 915 return; 916 } 917 918 /* Get the NS node, determines existence also */ 919 920 Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname, 921 &AcpiGbl_DbMethodInfo.Method); 922 if (ACPI_FAILURE (Status)) 923 { 924 AcpiOsPrintf ("%s Could not get handle for %s\n", 925 AcpiFormatException (Status), AcpiGbl_DbMethodInfo.Pathname); 926 return; 927 } 928 929 Status = AcpiOsExecute (OSL_DEBUGGER_EXEC_THREAD, 930 AcpiDbSingleExecutionThread, &AcpiGbl_DbMethodInfo); 931 if (ACPI_FAILURE (Status)) 932 { 933 return; 934 } 935 936 AcpiOsPrintf ("\nBackground thread started\n"); 937 } 938 939 940 /******************************************************************************* 941 * 942 * FUNCTION: AcpiDbCreateExecutionThreads 943 * 944 * PARAMETERS: NumThreadsArg - Number of threads to create 945 * NumLoopsArg - Loop count for the thread(s) 946 * MethodNameArg - Control method to execute 947 * 948 * RETURN: None 949 * 950 * DESCRIPTION: Create threads to execute method(s) 951 * 952 ******************************************************************************/ 953 954 void 955 AcpiDbCreateExecutionThreads ( 956 char *NumThreadsArg, 957 char *NumLoopsArg, 958 char *MethodNameArg) 959 { 960 ACPI_STATUS Status; 961 UINT32 NumThreads; 962 UINT32 NumLoops; 963 UINT32 i; 964 UINT32 Size; 965 ACPI_MUTEX MainThreadGate; 966 ACPI_MUTEX ThreadCompleteGate; 967 ACPI_MUTEX InfoGate; 968 969 970 /* Get the arguments */ 971 972 NumThreads = strtoul (NumThreadsArg, NULL, 0); 973 NumLoops = strtoul (NumLoopsArg, NULL, 0); 974 975 if (!NumThreads || !NumLoops) 976 { 977 AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n", 978 NumThreads, NumLoops); 979 return; 980 } 981 982 /* 983 * Create the semaphore for synchronization of 984 * the created threads with the main thread. 985 */ 986 Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate); 987 if (ACPI_FAILURE (Status)) 988 { 989 AcpiOsPrintf ("Could not create semaphore for " 990 "synchronization with the main thread, %s\n", 991 AcpiFormatException (Status)); 992 return; 993 } 994 995 /* 996 * Create the semaphore for synchronization 997 * between the created threads. 998 */ 999 Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate); 1000 if (ACPI_FAILURE (Status)) 1001 { 1002 AcpiOsPrintf ("Could not create semaphore for " 1003 "synchronization between the created threads, %s\n", 1004 AcpiFormatException (Status)); 1005 1006 (void) AcpiOsDeleteSemaphore (MainThreadGate); 1007 return; 1008 } 1009 1010 Status = AcpiOsCreateSemaphore (1, 1, &InfoGate); 1011 if (ACPI_FAILURE (Status)) 1012 { 1013 AcpiOsPrintf ("Could not create semaphore for " 1014 "synchronization of AcpiGbl_DbMethodInfo, %s\n", 1015 AcpiFormatException (Status)); 1016 1017 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate); 1018 (void) AcpiOsDeleteSemaphore (MainThreadGate); 1019 return; 1020 } 1021 1022 memset (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO)); 1023 1024 /* Array to store IDs of threads */ 1025 1026 AcpiGbl_DbMethodInfo.NumThreads = NumThreads; 1027 Size = sizeof (ACPI_THREAD_ID) * AcpiGbl_DbMethodInfo.NumThreads; 1028 1029 AcpiGbl_DbMethodInfo.Threads = AcpiOsAllocate (Size); 1030 if (AcpiGbl_DbMethodInfo.Threads == NULL) 1031 { 1032 AcpiOsPrintf ("No memory for thread IDs array\n"); 1033 (void) AcpiOsDeleteSemaphore (MainThreadGate); 1034 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate); 1035 (void) AcpiOsDeleteSemaphore (InfoGate); 1036 return; 1037 } 1038 memset (AcpiGbl_DbMethodInfo.Threads, 0, Size); 1039 1040 /* Setup the context to be passed to each thread */ 1041 1042 AcpiGbl_DbMethodInfo.Name = MethodNameArg; 1043 AcpiGbl_DbMethodInfo.Flags = 0; 1044 AcpiGbl_DbMethodInfo.NumLoops = NumLoops; 1045 AcpiGbl_DbMethodInfo.MainThreadGate = MainThreadGate; 1046 AcpiGbl_DbMethodInfo.ThreadCompleteGate = ThreadCompleteGate; 1047 AcpiGbl_DbMethodInfo.InfoGate = InfoGate; 1048 1049 /* Init arguments to be passed to method */ 1050 1051 AcpiGbl_DbMethodInfo.InitArgs = 1; 1052 AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments; 1053 AcpiGbl_DbMethodInfo.Arguments[0] = AcpiGbl_DbMethodInfo.NumThreadsStr; 1054 AcpiGbl_DbMethodInfo.Arguments[1] = AcpiGbl_DbMethodInfo.IdOfThreadStr; 1055 AcpiGbl_DbMethodInfo.Arguments[2] = AcpiGbl_DbMethodInfo.IndexOfThreadStr; 1056 AcpiGbl_DbMethodInfo.Arguments[3] = NULL; 1057 1058 AcpiGbl_DbMethodInfo.Types = AcpiGbl_DbMethodInfo.ArgTypes; 1059 AcpiGbl_DbMethodInfo.ArgTypes[0] = ACPI_TYPE_INTEGER; 1060 AcpiGbl_DbMethodInfo.ArgTypes[1] = ACPI_TYPE_INTEGER; 1061 AcpiGbl_DbMethodInfo.ArgTypes[2] = ACPI_TYPE_INTEGER; 1062 1063 AcpiDbUint32ToHexString (NumThreads, AcpiGbl_DbMethodInfo.NumThreadsStr); 1064 1065 Status = AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo); 1066 if (ACPI_FAILURE (Status)) 1067 { 1068 goto CleanupAndExit; 1069 } 1070 1071 /* Get the NS node, determines existence also */ 1072 1073 Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname, 1074 &AcpiGbl_DbMethodInfo.Method); 1075 if (ACPI_FAILURE (Status)) 1076 { 1077 AcpiOsPrintf ("%s Could not get handle for %s\n", 1078 AcpiFormatException (Status), AcpiGbl_DbMethodInfo.Pathname); 1079 goto CleanupAndExit; 1080 } 1081 1082 /* Create the threads */ 1083 1084 AcpiOsPrintf ("Creating %X threads to execute %X times each\n", 1085 NumThreads, NumLoops); 1086 1087 for (i = 0; i < (NumThreads); i++) 1088 { 1089 Status = AcpiOsExecute (OSL_DEBUGGER_EXEC_THREAD, AcpiDbMethodThread, 1090 &AcpiGbl_DbMethodInfo); 1091 if (ACPI_FAILURE (Status)) 1092 { 1093 break; 1094 } 1095 } 1096 1097 /* Wait for all threads to complete */ 1098 1099 (void) AcpiOsWaitSemaphore (MainThreadGate, 1, ACPI_WAIT_FOREVER); 1100 1101 AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT); 1102 AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads); 1103 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 1104 1105 CleanupAndExit: 1106 1107 /* Cleanup and exit */ 1108 1109 (void) AcpiOsDeleteSemaphore (MainThreadGate); 1110 (void) AcpiOsDeleteSemaphore (ThreadCompleteGate); 1111 (void) AcpiOsDeleteSemaphore (InfoGate); 1112 1113 AcpiOsFree (AcpiGbl_DbMethodInfo.Threads); 1114 AcpiGbl_DbMethodInfo.Threads = NULL; 1115 } 1116
Indexes created Sun Sep 21 20:09:37 GMT 2025