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 <contrib/dev/acpica/include/acpi.h> 153 #include <contrib/dev/acpica/include/accommon.h> 154 #include <contrib/dev/acpica/include/amlcode.h> 155 #include <contrib/dev/acpica/include/acdebug.h> 156 #include <contrib/dev/acpica/include/acinterp.h> 157 #include <contrib/dev/acpica/include/acparser.h> 158 159 160 #define _COMPONENT ACPI_CA_DEBUGGER 161 ACPI_MODULE_NAME ("dbxface") 162 163 164 /* Local prototypes */ 165 166 static ACPI_STATUS 167 AcpiDbStartCommand ( 168 ACPI_WALK_STATE *WalkState, 169 ACPI_PARSE_OBJECT *Op); 170 171 #ifdef ACPI_OBSOLETE_FUNCTIONS 172 void 173 AcpiDbMethodEnd ( 174 ACPI_WALK_STATE *WalkState); 175 #endif 176 177 #ifdef ACPI_DISASSEMBLER 178 static ACPI_PARSE_OBJECT * 179 AcpiDbGetDisplayOp ( 180 ACPI_WALK_STATE *WalkState, 181 ACPI_PARSE_OBJECT *Op); 182 #endif 183 184 /******************************************************************************* 185 * 186 * FUNCTION: AcpiDbStartCommand 187 * 188 * PARAMETERS: WalkState - Current walk 189 * Op - Current executing Op, from AML interpreter 190 * 191 * RETURN: Status 192 * 193 * DESCRIPTION: Enter debugger command loop 194 * 195 ******************************************************************************/ 196 197 static ACPI_STATUS 198 AcpiDbStartCommand ( 199 ACPI_WALK_STATE *WalkState, 200 ACPI_PARSE_OBJECT *Op) 201 { 202 ACPI_STATUS Status; 203 204 205 /* TBD: [Investigate] are there namespace locking issues here? */ 206 207 /* AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); */ 208 209 /* Go into the command loop and await next user command */ 210 211 212 AcpiGbl_MethodExecuting = TRUE; 213 Status = AE_CTRL_TRUE; 214 215 while (Status == AE_CTRL_TRUE) 216 { 217 /* Notify the completion of the command */ 218 219 Status = AcpiOsNotifyCommandComplete (); 220 if (ACPI_FAILURE (Status)) 221 { 222 goto ErrorExit; 223 } 224 225 /* Wait the readiness of the command */ 226 227 Status = AcpiOsWaitCommandReady (); 228 if (ACPI_FAILURE (Status)) 229 { 230 goto ErrorExit; 231 } 232 233 Status = AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, WalkState, Op); 234 } 235 236 /* AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); */ 237 238 ErrorExit: 239 if (ACPI_FAILURE (Status) && Status != AE_CTRL_TERMINATE) 240 { 241 ACPI_EXCEPTION ((AE_INFO, Status, 242 "While parsing/handling command line")); 243 } 244 return (Status); 245 } 246 247 248 /******************************************************************************* 249 * 250 * FUNCTION: AcpiDbSignalBreakPoint 251 * 252 * PARAMETERS: WalkState - Current walk 253 * 254 * RETURN: Status 255 * 256 * DESCRIPTION: Called for AML_BREAKPOINT_OP 257 * 258 ******************************************************************************/ 259 260 void 261 AcpiDbSignalBreakPoint ( 262 ACPI_WALK_STATE *WalkState) 263 { 264 265 #ifndef ACPI_APPLICATION 266 if (AcpiGbl_DbThreadId != AcpiOsGetThreadId ()) 267 { 268 return; 269 } 270 #endif 271 272 /* 273 * Set the single-step flag. This will cause the debugger (if present) 274 * to break to the console within the AML debugger at the start of the 275 * next AML instruction. 276 */ 277 AcpiGbl_CmSingleStep = TRUE; 278 AcpiOsPrintf ("**break** Executed AML BreakPoint opcode\n"); 279 } 280 281 282 #ifdef ACPI_DISASSEMBLER 283 /******************************************************************************* 284 * 285 * FUNCTION: AcpiDbGetDisplayOp 286 * 287 * PARAMETERS: WalkState - Current walk 288 * Op - Current executing op (from aml interpreter) 289 * 290 * RETURN: Opcode to display 291 * 292 * DESCRIPTION: Find the opcode to display during single stepping 293 * 294 ******************************************************************************/ 295 296 static ACPI_PARSE_OBJECT * 297 AcpiDbGetDisplayOp ( 298 ACPI_WALK_STATE *WalkState, 299 ACPI_PARSE_OBJECT *Op) 300 { 301 ACPI_PARSE_OBJECT *DisplayOp; 302 ACPI_PARSE_OBJECT *ParentOp; 303 304 DisplayOp = Op; 305 ParentOp = Op->Common.Parent; 306 if (ParentOp) 307 { 308 if ((WalkState->ControlState) && 309 (WalkState->ControlState->Common.State == 310 ACPI_CONTROL_PREDICATE_EXECUTING)) 311 { 312 /* 313 * We are executing the predicate of an IF or WHILE statement 314 * Search upwards for the containing IF or WHILE so that the 315 * entire predicate can be displayed. 316 */ 317 while (ParentOp) 318 { 319 if ((ParentOp->Common.AmlOpcode == AML_IF_OP) || 320 (ParentOp->Common.AmlOpcode == AML_WHILE_OP)) 321 { 322 DisplayOp = ParentOp; 323 break; 324 } 325 ParentOp = ParentOp->Common.Parent; 326 } 327 } 328 else 329 { 330 while (ParentOp) 331 { 332 if ((ParentOp->Common.AmlOpcode == AML_IF_OP) || 333 (ParentOp->Common.AmlOpcode == AML_ELSE_OP) || 334 (ParentOp->Common.AmlOpcode == AML_SCOPE_OP) || 335 (ParentOp->Common.AmlOpcode == AML_METHOD_OP) || 336 (ParentOp->Common.AmlOpcode == AML_WHILE_OP)) 337 { 338 break; 339 } 340 DisplayOp = ParentOp; 341 ParentOp = ParentOp->Common.Parent; 342 } 343 } 344 } 345 return DisplayOp; 346 } 347 #endif 348 349 350 /******************************************************************************* 351 * 352 * FUNCTION: AcpiDbSingleStep 353 * 354 * PARAMETERS: WalkState - Current walk 355 * Op - Current executing op (from aml interpreter) 356 * OpcodeClass - Class of the current AML Opcode 357 * 358 * RETURN: Status 359 * 360 * DESCRIPTION: Called just before execution of an AML opcode. 361 * 362 ******************************************************************************/ 363 364 ACPI_STATUS 365 AcpiDbSingleStep ( 366 ACPI_WALK_STATE *WalkState, 367 ACPI_PARSE_OBJECT *Op, 368 UINT32 OpcodeClass) 369 { 370 ACPI_PARSE_OBJECT *Next; 371 ACPI_STATUS Status = AE_OK; 372 UINT32 OriginalDebugLevel; 373 UINT32 AmlOffset; 374 375 376 ACPI_FUNCTION_ENTRY (); 377 378 379 #ifndef ACPI_APPLICATION 380 if (AcpiGbl_DbThreadId != AcpiOsGetThreadId ()) 381 { 382 return (AE_OK); 383 } 384 #endif 385 386 /* Check the abort flag */ 387 388 if (AcpiGbl_AbortMethod) 389 { 390 AcpiGbl_AbortMethod = FALSE; 391 return (AE_ABORT_METHOD); 392 } 393 394 AmlOffset = (UINT32) ACPI_PTR_DIFF (Op->Common.Aml, 395 WalkState->ParserState.AmlStart); 396 397 /* Check for single-step breakpoint */ 398 399 if (WalkState->MethodBreakpoint && 400 (WalkState->MethodBreakpoint <= AmlOffset)) 401 { 402 /* Check if the breakpoint has been reached or passed */ 403 /* Hit the breakpoint, resume single step, reset breakpoint */ 404 405 AcpiOsPrintf ("***Break*** at AML offset %X\n", AmlOffset); 406 AcpiGbl_CmSingleStep = TRUE; 407 AcpiGbl_StepToNextCall = FALSE; 408 WalkState->MethodBreakpoint = 0; 409 } 410 411 /* Check for user breakpoint (Must be on exact Aml offset) */ 412 413 else if (WalkState->UserBreakpoint && 414 (WalkState->UserBreakpoint == AmlOffset)) 415 { 416 AcpiOsPrintf ("***UserBreakpoint*** at AML offset %X\n", 417 AmlOffset); 418 AcpiGbl_CmSingleStep = TRUE; 419 AcpiGbl_StepToNextCall = FALSE; 420 WalkState->MethodBreakpoint = 0; 421 } 422 423 /* 424 * Check if this is an opcode that we are interested in -- 425 * namely, opcodes that have arguments 426 */ 427 if (Op->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP) 428 { 429 return (AE_OK); 430 } 431 432 switch (OpcodeClass) 433 { 434 case AML_CLASS_UNKNOWN: 435 case AML_CLASS_ARGUMENT: /* constants, literals, etc. do nothing */ 436 437 return (AE_OK); 438 439 default: 440 441 /* All other opcodes -- continue */ 442 break; 443 } 444 445 /* 446 * Under certain debug conditions, display this opcode and its operands 447 */ 448 if ((AcpiGbl_DbOutputToFile) || 449 (AcpiGbl_CmSingleStep) || 450 (AcpiDbgLevel & ACPI_LV_PARSE)) 451 { 452 if ((AcpiGbl_DbOutputToFile) || 453 (AcpiDbgLevel & ACPI_LV_PARSE)) 454 { 455 AcpiOsPrintf ("\nAML Debug: Next AML Opcode to execute:\n"); 456 } 457 458 /* 459 * Display this op (and only this op - zero out the NEXT field 460 * temporarily, and disable parser trace output for the duration of 461 * the display because we don't want the extraneous debug output) 462 */ 463 OriginalDebugLevel = AcpiDbgLevel; 464 AcpiDbgLevel &= ~(ACPI_LV_PARSE | ACPI_LV_FUNCTIONS); 465 Next = Op->Common.Next; 466 Op->Common.Next = NULL; 467 468 /* Now we can disassemble and display it */ 469 470 #ifdef ACPI_DISASSEMBLER 471 AcpiDmDisassemble (WalkState, AcpiDbGetDisplayOp (WalkState, Op), 472 ACPI_UINT32_MAX); 473 #else 474 /* 475 * The AML Disassembler is not configured - at least we can 476 * display the opcode value and name 477 */ 478 AcpiOsPrintf ("AML Opcode: %4.4X %s\n", Op->Common.AmlOpcode, 479 AcpiPsGetOpcodeName (Op->Common.AmlOpcode)); 480 #endif 481 482 if ((Op->Common.AmlOpcode == AML_IF_OP) || 483 (Op->Common.AmlOpcode == AML_WHILE_OP)) 484 { 485 if (WalkState->ControlState->Common.Value) 486 { 487 AcpiOsPrintf ("Predicate = [True], IF block was executed\n"); 488 } 489 else 490 { 491 AcpiOsPrintf ("Predicate = [False], Skipping IF block\n"); 492 } 493 } 494 else if (Op->Common.AmlOpcode == AML_ELSE_OP) 495 { 496 AcpiOsPrintf ("Predicate = [False], ELSE block was executed\n"); 497 } 498 499 /* Restore everything */ 500 501 Op->Common.Next = Next; 502 AcpiOsPrintf ("\n"); 503 if ((AcpiGbl_DbOutputToFile) || 504 (AcpiDbgLevel & ACPI_LV_PARSE)) 505 { 506 AcpiOsPrintf ("\n"); 507 } 508 AcpiDbgLevel = OriginalDebugLevel; 509 } 510 511 /* If we are not single stepping, just continue executing the method */ 512 513 if (!AcpiGbl_CmSingleStep) 514 { 515 return (AE_OK); 516 } 517 518 /* 519 * If we are executing a step-to-call command, 520 * Check if this is a method call. 521 */ 522 if (AcpiGbl_StepToNextCall) 523 { 524 if (Op->Common.AmlOpcode != AML_INT_METHODCALL_OP) 525 { 526 /* Not a method call, just keep executing */ 527 528 return (AE_OK); 529 } 530 531 /* Found a method call, stop executing */ 532 533 AcpiGbl_StepToNextCall = FALSE; 534 } 535 536 /* 537 * If the next opcode is a method call, we will "step over" it 538 * by default. 539 */ 540 if (Op->Common.AmlOpcode == AML_INT_METHODCALL_OP) 541 { 542 /* Force no more single stepping while executing called method */ 543 544 AcpiGbl_CmSingleStep = FALSE; 545 546 /* 547 * Set the breakpoint on/before the call, it will stop execution 548 * as soon as we return 549 */ 550 WalkState->MethodBreakpoint = 1; /* Must be non-zero! */ 551 } 552 553 554 AcpiExExitInterpreter (); 555 Status = AcpiDbStartCommand (WalkState, Op); 556 AcpiExEnterInterpreter (); 557 558 /* User commands complete, continue execution of the interrupted method */ 559 560 return (Status); 561 } 562 563 564 /******************************************************************************* 565 * 566 * FUNCTION: AcpiInitializeDebugger 567 * 568 * PARAMETERS: None 569 * 570 * RETURN: Status 571 * 572 * DESCRIPTION: Init and start debugger 573 * 574 ******************************************************************************/ 575 576 ACPI_STATUS 577 AcpiInitializeDebugger ( 578 void) 579 { 580 ACPI_STATUS Status; 581 582 583 ACPI_FUNCTION_TRACE (AcpiInitializeDebugger); 584 585 586 /* Init globals */ 587 588 AcpiGbl_DbBuffer = NULL; 589 AcpiGbl_DbFilename = NULL; 590 AcpiGbl_DbOutputToFile = FALSE; 591 592 AcpiGbl_DbDebugLevel = ACPI_LV_VERBOSITY2; 593 AcpiGbl_DbConsoleDebugLevel = ACPI_NORMAL_DEFAULT | ACPI_LV_TABLES; 594 AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT; 595 596 AcpiGbl_DbOpt_NoIniMethods = FALSE; 597 AcpiGbl_DbOpt_NoRegionSupport = FALSE; 598 599 AcpiGbl_DbBuffer = AcpiOsAllocate (ACPI_DEBUG_BUFFER_SIZE); 600 if (!AcpiGbl_DbBuffer) 601 { 602 return_ACPI_STATUS (AE_NO_MEMORY); 603 } 604 memset (AcpiGbl_DbBuffer, 0, ACPI_DEBUG_BUFFER_SIZE); 605 606 /* Initial scope is the root */ 607 608 AcpiGbl_DbScopeBuf [0] = AML_ROOT_PREFIX; 609 AcpiGbl_DbScopeBuf [1] = 0; 610 AcpiGbl_DbScopeNode = AcpiGbl_RootNode; 611 612 /* Initialize user commands loop */ 613 614 AcpiGbl_DbTerminateLoop = FALSE; 615 616 /* 617 * If configured for multi-thread support, the debug executor runs in 618 * a separate thread so that the front end can be in another address 619 * space, environment, or even another machine. 620 */ 621 if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED) 622 { 623 /* These were created with one unit, grab it */ 624 625 Status = AcpiOsInitializeDebugger (); 626 if (ACPI_FAILURE (Status)) 627 { 628 AcpiOsPrintf ("Could not get debugger mutex\n"); 629 return_ACPI_STATUS (Status); 630 } 631 632 /* Create the debug execution thread to execute commands */ 633 634 AcpiGbl_DbThreadsTerminated = FALSE; 635 Status = AcpiOsExecute (OSL_DEBUGGER_MAIN_THREAD, 636 AcpiDbExecuteThread, NULL); 637 if (ACPI_FAILURE (Status)) 638 { 639 ACPI_EXCEPTION ((AE_INFO, Status, 640 "Could not start debugger thread")); 641 AcpiGbl_DbThreadsTerminated = TRUE; 642 return_ACPI_STATUS (Status); 643 } 644 } 645 else 646 { 647 AcpiGbl_DbThreadId = AcpiOsGetThreadId (); 648 } 649 650 return_ACPI_STATUS (AE_OK); 651 } 652 653 ACPI_EXPORT_SYMBOL (AcpiInitializeDebugger) 654 655 656 /******************************************************************************* 657 * 658 * FUNCTION: AcpiTerminateDebugger 659 * 660 * PARAMETERS: None 661 * 662 * RETURN: None 663 * 664 * DESCRIPTION: Stop debugger 665 * 666 ******************************************************************************/ 667 668 void 669 AcpiTerminateDebugger ( 670 void) 671 { 672 673 /* Terminate the AML Debugger */ 674 675 AcpiGbl_DbTerminateLoop = TRUE; 676 677 if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED) 678 { 679 /* Wait the AML Debugger threads */ 680 681 while (!AcpiGbl_DbThreadsTerminated) 682 { 683 AcpiOsSleep (100); 684 } 685 686 AcpiOsTerminateDebugger (); 687 } 688 689 if (AcpiGbl_DbBuffer) 690 { 691 AcpiOsFree (AcpiGbl_DbBuffer); 692 AcpiGbl_DbBuffer = NULL; 693 } 694 695 /* Ensure that debug output is now disabled */ 696 697 AcpiGbl_DbOutputFlags = ACPI_DB_DISABLE_OUTPUT; 698 } 699 700 ACPI_EXPORT_SYMBOL (AcpiTerminateDebugger) 701 702 703 /******************************************************************************* 704 * 705 * FUNCTION: AcpiSetDebuggerThreadId 706 * 707 * PARAMETERS: ThreadId - Debugger thread ID 708 * 709 * RETURN: None 710 * 711 * DESCRIPTION: Set debugger thread ID 712 * 713 ******************************************************************************/ 714 715 void 716 AcpiSetDebuggerThreadId ( 717 ACPI_THREAD_ID ThreadId) 718 { 719 AcpiGbl_DbThreadId = ThreadId; 720 } 721 722 ACPI_EXPORT_SYMBOL (AcpiSetDebuggerThreadId) 723