1 /******************************************************************************* 2 * 3 * Module Name: dbxface - AML Debugger external interfaces 4 * 5 ******************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2020, 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 "amlcode.h" 155 #include "acdebug.h" 156 #include "acinterp.h" 157 #include "acparser.h" 158 159 #ifdef ACPI_DEBUGGER 160 161 #define _COMPONENT ACPI_CA_DEBUGGER 162 ACPI_MODULE_NAME ("dbxface") 163 164 165 /* Local prototypes */ 166 167 static ACPI_STATUS 168 AcpiDbStartCommand ( 169 ACPI_WALK_STATE *WalkState, 170 ACPI_PARSE_OBJECT *Op); 171 172 #ifdef ACPI_OBSOLETE_FUNCTIONS 173 void 174 AcpiDbMethodEnd ( 175 ACPI_WALK_STATE *WalkState); 176 #endif 177 178 #ifdef ACPI_DISASSEMBLER 179 static ACPI_PARSE_OBJECT * 180 AcpiDbGetDisplayOp ( 181 ACPI_WALK_STATE *WalkState, 182 ACPI_PARSE_OBJECT *Op); 183 #endif 184 185 /******************************************************************************* 186 * 187 * FUNCTION: AcpiDbStartCommand 188 * 189 * PARAMETERS: WalkState - Current walk 190 * Op - Current executing Op, from AML interpreter 191 * 192 * RETURN: Status 193 * 194 * DESCRIPTION: Enter debugger command loop 195 * 196 ******************************************************************************/ 197 198 static ACPI_STATUS 199 AcpiDbStartCommand ( 200 ACPI_WALK_STATE *WalkState, 201 ACPI_PARSE_OBJECT *Op) 202 { 203 ACPI_STATUS Status; 204 205 206 /* TBD: [Investigate] are there namespace locking issues here? */ 207 208 /* AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); */ 209 210 /* Go into the command loop and await next user command */ 211 212 213 AcpiGbl_MethodExecuting = TRUE; 214 Status = AE_CTRL_TRUE; 215 216 while (Status == AE_CTRL_TRUE) 217 { 218 /* Notify the completion of the command */ 219 220 Status = AcpiOsNotifyCommandComplete (); 221 if (ACPI_FAILURE (Status)) 222 { 223 goto ErrorExit; 224 } 225 226 /* Wait the readiness of the command */ 227 228 Status = AcpiOsWaitCommandReady (); 229 if (ACPI_FAILURE (Status)) 230 { 231 goto ErrorExit; 232 } 233 234 Status = AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, WalkState, Op); 235 } 236 237 /* AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); */ 238 239 ErrorExit: 240 if (ACPI_FAILURE (Status) && Status != AE_CTRL_TERMINATE) 241 { 242 ACPI_EXCEPTION ((AE_INFO, Status, 243 "While parsing/handling command line")); 244 } 245 return (Status); 246 } 247 248 249 /******************************************************************************* 250 * 251 * FUNCTION: AcpiDbSignalBreakPoint 252 * 253 * PARAMETERS: WalkState - Current walk 254 * 255 * RETURN: Status 256 * 257 * DESCRIPTION: Called for AML_BREAKPOINT_OP 258 * 259 ******************************************************************************/ 260 261 void 262 AcpiDbSignalBreakPoint ( 263 ACPI_WALK_STATE *WalkState) 264 { 265 266 #ifndef ACPI_APPLICATION 267 if (AcpiGbl_DbThreadId != AcpiOsGetThreadId ()) 268 { 269 return; 270 } 271 #endif 272 273 /* 274 * Set the single-step flag. This will cause the debugger (if present) 275 * to break to the console within the AML debugger at the start of the 276 * next AML instruction. 277 */ 278 AcpiGbl_CmSingleStep = TRUE; 279 AcpiOsPrintf ("**break** Executed AML BreakPoint opcode\n"); 280 } 281 282 283 #ifdef ACPI_DISASSEMBLER 284 /******************************************************************************* 285 * 286 * FUNCTION: AcpiDbGetDisplayOp 287 * 288 * PARAMETERS: WalkState - Current walk 289 * Op - Current executing op (from aml interpreter) 290 * 291 * RETURN: Opcode to display 292 * 293 * DESCRIPTION: Find the opcode to display during single stepping 294 * 295 ******************************************************************************/ 296 297 static ACPI_PARSE_OBJECT * 298 AcpiDbGetDisplayOp ( 299 ACPI_WALK_STATE *WalkState, 300 ACPI_PARSE_OBJECT *Op) 301 { 302 ACPI_PARSE_OBJECT *DisplayOp; 303 ACPI_PARSE_OBJECT *ParentOp; 304 305 DisplayOp = Op; 306 ParentOp = Op->Common.Parent; 307 if (ParentOp) 308 { 309 if ((WalkState->ControlState) && 310 (WalkState->ControlState->Common.State == 311 ACPI_CONTROL_PREDICATE_EXECUTING)) 312 { 313 /* 314 * We are executing the predicate of an IF or WHILE statement 315 * Search upwards for the containing IF or WHILE so that the 316 * entire predicate can be displayed. 317 */ 318 while (ParentOp) 319 { 320 if ((ParentOp->Common.AmlOpcode == AML_IF_OP) || 321 (ParentOp->Common.AmlOpcode == AML_WHILE_OP)) 322 { 323 DisplayOp = ParentOp; 324 break; 325 } 326 ParentOp = ParentOp->Common.Parent; 327 } 328 } 329 else 330 { 331 while (ParentOp) 332 { 333 if ((ParentOp->Common.AmlOpcode == AML_IF_OP) || 334 (ParentOp->Common.AmlOpcode == AML_ELSE_OP) || 335 (ParentOp->Common.AmlOpcode == AML_SCOPE_OP) || 336 (ParentOp->Common.AmlOpcode == AML_METHOD_OP) || 337 (ParentOp->Common.AmlOpcode == AML_WHILE_OP)) 338 { 339 break; 340 } 341 DisplayOp = ParentOp; 342 ParentOp = ParentOp->Common.Parent; 343 } 344 } 345 } 346 return DisplayOp; 347 } 348 #endif 349 350 351 /******************************************************************************* 352 * 353 * FUNCTION: AcpiDbSingleStep 354 * 355 * PARAMETERS: WalkState - Current walk 356 * Op - Current executing op (from aml interpreter) 357 * OpcodeClass - Class of the current AML Opcode 358 * 359 * RETURN: Status 360 * 361 * DESCRIPTION: Called just before execution of an AML opcode. 362 * 363 ******************************************************************************/ 364 365 ACPI_STATUS 366 AcpiDbSingleStep ( 367 ACPI_WALK_STATE *WalkState, 368 ACPI_PARSE_OBJECT *Op, 369 UINT32 OpcodeClass) 370 { 371 ACPI_PARSE_OBJECT *Next; 372 ACPI_STATUS Status = AE_OK; 373 UINT32 OriginalDebugLevel; 374 UINT32 AmlOffset; 375 376 377 ACPI_FUNCTION_ENTRY (); 378 379 380 #ifndef ACPI_APPLICATION 381 if (AcpiGbl_DbThreadId != AcpiOsGetThreadId ()) 382 { 383 return (AE_OK); 384 } 385 #endif 386 387 /* Check the abort flag */ 388 389 if (AcpiGbl_AbortMethod) 390 { 391 AcpiGbl_AbortMethod = FALSE; 392 return (AE_ABORT_METHOD); 393 } 394 395 AmlOffset = (UINT32) ACPI_PTR_DIFF (Op->Common.Aml, 396 WalkState->ParserState.AmlStart); 397 398 /* Check for single-step breakpoint */ 399 400 if (WalkState->MethodBreakpoint && 401 (WalkState->MethodBreakpoint <= AmlOffset)) 402 { 403 /* Check if the breakpoint has been reached or passed */ 404 /* Hit the breakpoint, resume single step, reset breakpoint */ 405 406 AcpiOsPrintf ("***Break*** at AML offset %X\n", AmlOffset); 407 AcpiGbl_CmSingleStep = TRUE; 408 AcpiGbl_StepToNextCall = FALSE; 409 WalkState->MethodBreakpoint = 0; 410 } 411 412 /* Check for user breakpoint (Must be on exact Aml offset) */ 413 414 else if (WalkState->UserBreakpoint && 415 (WalkState->UserBreakpoint == AmlOffset)) 416 { 417 AcpiOsPrintf ("***UserBreakpoint*** at AML offset %X\n", 418 AmlOffset); 419 AcpiGbl_CmSingleStep = TRUE; 420 AcpiGbl_StepToNextCall = FALSE; 421 WalkState->MethodBreakpoint = 0; 422 } 423 424 /* 425 * Check if this is an opcode that we are interested in -- 426 * namely, opcodes that have arguments 427 */ 428 if (Op->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP) 429 { 430 return (AE_OK); 431 } 432 433 switch (OpcodeClass) 434 { 435 case AML_CLASS_UNKNOWN: 436 case AML_CLASS_ARGUMENT: /* constants, literals, etc. do nothing */ 437 438 return (AE_OK); 439 440 default: 441 442 /* All other opcodes -- continue */ 443 break; 444 } 445 446 /* 447 * Under certain debug conditions, display this opcode and its operands 448 */ 449 if ((AcpiGbl_DbOutputToFile) || 450 (AcpiGbl_CmSingleStep) || 451 (AcpiDbgLevel & ACPI_LV_PARSE)) 452 { 453 if ((AcpiGbl_DbOutputToFile) || 454 (AcpiDbgLevel & ACPI_LV_PARSE)) 455 { 456 AcpiOsPrintf ("\nAML Debug: Next AML Opcode to execute:\n"); 457 } 458 459 /* 460 * Display this op (and only this op - zero out the NEXT field 461 * temporarily, and disable parser trace output for the duration of 462 * the display because we don't want the extraneous debug output) 463 */ 464 OriginalDebugLevel = AcpiDbgLevel; 465 AcpiDbgLevel &= ~(ACPI_LV_PARSE | ACPI_LV_FUNCTIONS); 466 Next = Op->Common.Next; 467 Op->Common.Next = NULL; 468 469 /* Now we can disassemble and display it */ 470 471 #ifdef ACPI_DISASSEMBLER 472 AcpiDmDisassemble (WalkState, AcpiDbGetDisplayOp (WalkState, Op), 473 ACPI_UINT32_MAX); 474 #else 475 /* 476 * The AML Disassembler is not configured - at least we can 477 * display the opcode value and name 478 */ 479 AcpiOsPrintf ("AML Opcode: %4.4X %s\n", Op->Common.AmlOpcode, 480 AcpiPsGetOpcodeName (Op->Common.AmlOpcode)); 481 #endif 482 483 if ((Op->Common.AmlOpcode == AML_IF_OP) || 484 (Op->Common.AmlOpcode == AML_WHILE_OP)) 485 { 486 if (WalkState->ControlState->Common.Value) 487 { 488 AcpiOsPrintf ("Predicate = [True], IF block was executed\n"); 489 } 490 else 491 { 492 AcpiOsPrintf ("Predicate = [False], Skipping IF block\n"); 493 } 494 } 495 else if (Op->Common.AmlOpcode == AML_ELSE_OP) 496 { 497 AcpiOsPrintf ("Predicate = [False], ELSE block was executed\n"); 498 } 499 500 /* Restore everything */ 501 502 Op->Common.Next = Next; 503 AcpiOsPrintf ("\n"); 504 if ((AcpiGbl_DbOutputToFile) || 505 (AcpiDbgLevel & ACPI_LV_PARSE)) 506 { 507 AcpiOsPrintf ("\n"); 508 } 509 AcpiDbgLevel = OriginalDebugLevel; 510 } 511 512 /* If we are not single stepping, just continue executing the method */ 513 514 if (!AcpiGbl_CmSingleStep) 515 { 516 return (AE_OK); 517 } 518 519 /* 520 * If we are executing a step-to-call command, 521 * Check if this is a method call. 522 */ 523 if (AcpiGbl_StepToNextCall) 524 { 525 if (Op->Common.AmlOpcode != AML_INT_METHODCALL_OP) 526 { 527 /* Not a method call, just keep executing */ 528 529 return (AE_OK); 530 } 531 532 /* Found a method call, stop executing */ 533 534 AcpiGbl_StepToNextCall = FALSE; 535 } 536 537 /* 538 * If the next opcode is a method call, we will "step over" it 539 * by default. 540 */ 541 if (Op->Common.AmlOpcode == AML_INT_METHODCALL_OP) 542 { 543 /* Force no more single stepping while executing called method */ 544 545 AcpiGbl_CmSingleStep = FALSE; 546 547 /* 548 * Set the breakpoint on/before the call, it will stop execution 549 * as soon as we return 550 */ 551 WalkState->MethodBreakpoint = 1; /* Must be non-zero! */ 552 } 553 554 555 AcpiExExitInterpreter (); 556 Status = AcpiDbStartCommand (WalkState, Op); 557 AcpiExEnterInterpreter (); 558 559 /* User commands complete, continue execution of the interrupted method */ 560 561 return (Status); 562 } 563 564 565 /******************************************************************************* 566 * 567 * FUNCTION: AcpiInitializeDebugger 568 * 569 * PARAMETERS: None 570 * 571 * RETURN: Status 572 * 573 * DESCRIPTION: Init and start debugger 574 * 575 ******************************************************************************/ 576 577 ACPI_STATUS 578 AcpiInitializeDebugger ( 579 void) 580 { 581 ACPI_STATUS Status; 582 583 584 ACPI_FUNCTION_TRACE (AcpiInitializeDebugger); 585 586 587 /* Init globals */ 588 589 AcpiGbl_DbBuffer = NULL; 590 AcpiGbl_DbFilename = NULL; 591 AcpiGbl_DbOutputToFile = FALSE; 592 593 AcpiGbl_DbDebugLevel = ACPI_LV_VERBOSITY2; 594 AcpiGbl_DbConsoleDebugLevel = ACPI_NORMAL_DEFAULT | ACPI_LV_TABLES; 595 AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT; 596 597 AcpiGbl_DbOpt_NoIniMethods = FALSE; 598 AcpiGbl_DbOpt_NoRegionSupport = FALSE; 599 600 AcpiGbl_DbBuffer = AcpiOsAllocate (ACPI_DEBUG_BUFFER_SIZE); 601 if (!AcpiGbl_DbBuffer) 602 { 603 return_ACPI_STATUS (AE_NO_MEMORY); 604 } 605 memset (AcpiGbl_DbBuffer, 0, ACPI_DEBUG_BUFFER_SIZE); 606 607 /* Initial scope is the root */ 608 609 AcpiGbl_DbScopeBuf [0] = AML_ROOT_PREFIX; 610 AcpiGbl_DbScopeBuf [1] = 0; 611 AcpiGbl_DbScopeNode = AcpiGbl_RootNode; 612 613 /* Initialize user commands loop */ 614 615 AcpiGbl_DbTerminateLoop = FALSE; 616 617 /* 618 * If configured for multi-thread support, the debug executor runs in 619 * a separate thread so that the front end can be in another address 620 * space, environment, or even another machine. 621 */ 622 if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED) 623 { 624 /* These were created with one unit, grab it */ 625 626 Status = AcpiOsInitializeDebugger (); 627 if (ACPI_FAILURE (Status)) 628 { 629 AcpiOsPrintf ("Could not get debugger mutex\n"); 630 return_ACPI_STATUS (Status); 631 } 632 633 /* Create the debug execution thread to execute commands */ 634 635 AcpiGbl_DbThreadsTerminated = FALSE; 636 Status = AcpiOsExecute (OSL_DEBUGGER_MAIN_THREAD, 637 AcpiDbExecuteThread, NULL); 638 if (ACPI_FAILURE (Status)) 639 { 640 ACPI_EXCEPTION ((AE_INFO, Status, 641 "Could not start debugger thread")); 642 AcpiGbl_DbThreadsTerminated = TRUE; 643 return_ACPI_STATUS (Status); 644 } 645 } 646 else 647 { 648 AcpiGbl_DbThreadId = AcpiOsGetThreadId (); 649 } 650 651 return_ACPI_STATUS (AE_OK); 652 } 653 654 ACPI_EXPORT_SYMBOL (AcpiInitializeDebugger) 655 656 657 /******************************************************************************* 658 * 659 * FUNCTION: AcpiTerminateDebugger 660 * 661 * PARAMETERS: None 662 * 663 * RETURN: None 664 * 665 * DESCRIPTION: Stop debugger 666 * 667 ******************************************************************************/ 668 669 void 670 AcpiTerminateDebugger ( 671 void) 672 { 673 674 /* Terminate the AML Debugger */ 675 676 AcpiGbl_DbTerminateLoop = TRUE; 677 678 if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED) 679 { 680 /* Wait the AML Debugger threads */ 681 682 while (!AcpiGbl_DbThreadsTerminated) 683 { 684 AcpiOsSleep (100); 685 } 686 687 AcpiOsTerminateDebugger (); 688 } 689 690 if (AcpiGbl_DbBuffer) 691 { 692 AcpiOsFree (AcpiGbl_DbBuffer); 693 AcpiGbl_DbBuffer = NULL; 694 } 695 696 /* Ensure that debug output is now disabled */ 697 698 AcpiGbl_DbOutputFlags = ACPI_DB_DISABLE_OUTPUT; 699 } 700 701 ACPI_EXPORT_SYMBOL (AcpiTerminateDebugger) 702 703 704 /******************************************************************************* 705 * 706 * FUNCTION: AcpiSetDebuggerThreadId 707 * 708 * PARAMETERS: ThreadId - Debugger thread ID 709 * 710 * RETURN: None 711 * 712 * DESCRIPTION: Set debugger thread ID 713 * 714 ******************************************************************************/ 715 716 void 717 AcpiSetDebuggerThreadId ( 718 ACPI_THREAD_ID ThreadId) 719 { 720 AcpiGbl_DbThreadId = ThreadId; 721 } 722 723 ACPI_EXPORT_SYMBOL (AcpiSetDebuggerThreadId) 724 725 #endif /* ACPI_DEBUGGER */ 726