1 /******************************************************************************* 2 * 3 * Module Name: dbmethod - Debug commands for control methods 4 * 5 ******************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2019, 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 "acdispat.h" 155 #include "acnamesp.h" 156 #include "acdebug.h" 157 #include "acparser.h" 158 #include "acpredef.h" 159 160 161 #ifdef ACPI_DEBUGGER 162 163 #define _COMPONENT ACPI_CA_DEBUGGER 164 ACPI_MODULE_NAME ("dbmethod") 165 166 /* Local prototypes */ 167 168 static ACPI_STATUS 169 AcpiDbWalkForExecute ( 170 ACPI_HANDLE ObjHandle, 171 UINT32 NestingLevel, 172 void *Context, 173 void **ReturnValue); 174 175 176 /******************************************************************************* 177 * 178 * FUNCTION: AcpiDbSetMethodBreakpoint 179 * 180 * PARAMETERS: Location - AML offset of breakpoint 181 * WalkState - Current walk info 182 * Op - Current Op (from parse walk) 183 * 184 * RETURN: None 185 * 186 * DESCRIPTION: Set a breakpoint in a control method at the specified 187 * AML offset 188 * 189 ******************************************************************************/ 190 191 void 192 AcpiDbSetMethodBreakpoint ( 193 char *Location, 194 ACPI_WALK_STATE *WalkState, 195 ACPI_PARSE_OBJECT *Op) 196 { 197 UINT32 Address; 198 UINT32 AmlOffset; 199 200 201 if (!Op) 202 { 203 AcpiOsPrintf ("There is no method currently executing\n"); 204 return; 205 } 206 207 /* Get and verify the breakpoint address */ 208 209 Address = strtoul (Location, NULL, 16); 210 AmlOffset = (UINT32) ACPI_PTR_DIFF (Op->Common.Aml, 211 WalkState->ParserState.AmlStart); 212 if (Address <= AmlOffset) 213 { 214 AcpiOsPrintf ("Breakpoint %X is beyond current address %X\n", 215 Address, AmlOffset); 216 } 217 218 /* Save breakpoint in current walk */ 219 220 WalkState->UserBreakpoint = Address; 221 AcpiOsPrintf ("Breakpoint set at AML offset %X\n", Address); 222 } 223 224 225 /******************************************************************************* 226 * 227 * FUNCTION: AcpiDbSetMethodCallBreakpoint 228 * 229 * PARAMETERS: Op - Current Op (from parse walk) 230 * 231 * RETURN: None 232 * 233 * DESCRIPTION: Set a breakpoint in a control method at the specified 234 * AML offset 235 * 236 ******************************************************************************/ 237 238 void 239 AcpiDbSetMethodCallBreakpoint ( 240 ACPI_PARSE_OBJECT *Op) 241 { 242 243 244 if (!Op) 245 { 246 AcpiOsPrintf ("There is no method currently executing\n"); 247 return; 248 } 249 250 AcpiGbl_StepToNextCall = TRUE; 251 } 252 253 254 /******************************************************************************* 255 * 256 * FUNCTION: AcpiDbSetMethodData 257 * 258 * PARAMETERS: TypeArg - L for local, A for argument 259 * IndexArg - which one 260 * ValueArg - Value to set. 261 * 262 * RETURN: None 263 * 264 * DESCRIPTION: Set a local or argument for the running control method. 265 * NOTE: only object supported is Number. 266 * 267 ******************************************************************************/ 268 269 void 270 AcpiDbSetMethodData ( 271 char *TypeArg, 272 char *IndexArg, 273 char *ValueArg) 274 { 275 char Type; 276 UINT32 Index; 277 UINT32 Value; 278 ACPI_WALK_STATE *WalkState; 279 ACPI_OPERAND_OBJECT *ObjDesc; 280 ACPI_STATUS Status; 281 ACPI_NAMESPACE_NODE *Node; 282 283 284 /* Validate TypeArg */ 285 286 AcpiUtStrupr (TypeArg); 287 Type = TypeArg[0]; 288 if ((Type != 'L') && 289 (Type != 'A') && 290 (Type != 'N')) 291 { 292 AcpiOsPrintf ("Invalid SET operand: %s\n", TypeArg); 293 return; 294 } 295 296 Value = strtoul (ValueArg, NULL, 16); 297 298 if (Type == 'N') 299 { 300 Node = AcpiDbConvertToNode (IndexArg); 301 if (!Node) 302 { 303 return; 304 } 305 306 if (Node->Type != ACPI_TYPE_INTEGER) 307 { 308 AcpiOsPrintf ("Can only set Integer nodes\n"); 309 return; 310 } 311 ObjDesc = Node->Object; 312 ObjDesc->Integer.Value = Value; 313 return; 314 } 315 316 /* Get the index and value */ 317 318 Index = strtoul (IndexArg, NULL, 16); 319 320 WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList); 321 if (!WalkState) 322 { 323 AcpiOsPrintf ("There is no method currently executing\n"); 324 return; 325 } 326 327 /* Create and initialize the new object */ 328 329 ObjDesc = AcpiUtCreateIntegerObject ((UINT64) Value); 330 if (!ObjDesc) 331 { 332 AcpiOsPrintf ("Could not create an internal object\n"); 333 return; 334 } 335 336 /* Store the new object into the target */ 337 338 switch (Type) 339 { 340 case 'A': 341 342 /* Set a method argument */ 343 344 if (Index > ACPI_METHOD_MAX_ARG) 345 { 346 AcpiOsPrintf ("Arg%u - Invalid argument name\n", 347 Index); 348 goto Cleanup; 349 } 350 351 Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_ARG, 352 Index, ObjDesc, WalkState); 353 if (ACPI_FAILURE (Status)) 354 { 355 goto Cleanup; 356 } 357 358 ObjDesc = WalkState->Arguments[Index].Object; 359 360 AcpiOsPrintf ("Arg%u: ", Index); 361 AcpiDbDisplayInternalObject (ObjDesc, WalkState); 362 break; 363 364 case 'L': 365 366 /* Set a method local */ 367 368 if (Index > ACPI_METHOD_MAX_LOCAL) 369 { 370 AcpiOsPrintf ("Local%u - Invalid local variable name\n", 371 Index); 372 goto Cleanup; 373 } 374 375 Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_LOCAL, 376 Index, ObjDesc, WalkState); 377 if (ACPI_FAILURE (Status)) 378 { 379 goto Cleanup; 380 } 381 382 ObjDesc = WalkState->LocalVariables[Index].Object; 383 384 AcpiOsPrintf ("Local%u: ", Index); 385 AcpiDbDisplayInternalObject (ObjDesc, WalkState); 386 break; 387 388 default: 389 390 break; 391 } 392 393 Cleanup: 394 AcpiUtRemoveReference (ObjDesc); 395 } 396 397 398 #ifdef ACPI_DISASSEMBLER 399 /******************************************************************************* 400 * 401 * FUNCTION: AcpiDbDisassembleAml 402 * 403 * PARAMETERS: Statements - Number of statements to disassemble 404 * Op - Current Op (from parse walk) 405 * 406 * RETURN: None 407 * 408 * DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number 409 * of statements specified. 410 * 411 ******************************************************************************/ 412 413 void 414 AcpiDbDisassembleAml ( 415 char *Statements, 416 ACPI_PARSE_OBJECT *Op) 417 { 418 UINT32 NumStatements = 8; 419 420 421 if (!Op) 422 { 423 AcpiOsPrintf ("There is no method currently executing\n"); 424 return; 425 } 426 427 if (Statements) 428 { 429 NumStatements = strtoul (Statements, NULL, 0); 430 } 431 432 AcpiDmDisassemble (NULL, Op, NumStatements); 433 } 434 435 436 /******************************************************************************* 437 * 438 * FUNCTION: AcpiDbDisassembleMethod 439 * 440 * PARAMETERS: Name - Name of control method 441 * 442 * RETURN: None 443 * 444 * DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number 445 * of statements specified. 446 * 447 ******************************************************************************/ 448 449 ACPI_STATUS 450 AcpiDbDisassembleMethod ( 451 char *Name) 452 { 453 ACPI_STATUS Status; 454 ACPI_PARSE_OBJECT *Op; 455 ACPI_WALK_STATE *WalkState; 456 ACPI_OPERAND_OBJECT *ObjDesc; 457 ACPI_NAMESPACE_NODE *Method; 458 459 460 Method = AcpiDbConvertToNode (Name); 461 if (!Method) 462 { 463 return (AE_BAD_PARAMETER); 464 } 465 466 if (Method->Type != ACPI_TYPE_METHOD) 467 { 468 ACPI_ERROR ((AE_INFO, "%s (%s): Object must be a control method", 469 Name, AcpiUtGetTypeName (Method->Type))); 470 return (AE_BAD_PARAMETER); 471 } 472 473 ObjDesc = Method->Object; 474 475 Op = AcpiPsCreateScopeOp (ObjDesc->Method.AmlStart); 476 if (!Op) 477 { 478 return (AE_NO_MEMORY); 479 } 480 481 /* Create and initialize a new walk state */ 482 483 WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL); 484 if (!WalkState) 485 { 486 return (AE_NO_MEMORY); 487 } 488 489 Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, 490 ObjDesc->Method.AmlStart, 491 ObjDesc->Method.AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); 492 if (ACPI_FAILURE (Status)) 493 { 494 return (Status); 495 } 496 497 Status = AcpiUtAllocateOwnerId (&ObjDesc->Method.OwnerId); 498 WalkState->OwnerId = ObjDesc->Method.OwnerId; 499 500 /* Push start scope on scope stack and make it current */ 501 502 Status = AcpiDsScopeStackPush (Method, 503 Method->Type, WalkState); 504 if (ACPI_FAILURE (Status)) 505 { 506 return (Status); 507 } 508 509 /* Parse the entire method AML including deferred operators */ 510 511 WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; 512 WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; 513 514 Status = AcpiPsParseAml (WalkState); 515 (void) AcpiDmParseDeferredOps (Op); 516 517 /* Now we can disassemble the method */ 518 519 AcpiGbl_DmOpt_Verbose = FALSE; 520 AcpiDmDisassemble (NULL, Op, 0); 521 AcpiGbl_DmOpt_Verbose = TRUE; 522 523 AcpiPsDeleteParseTree (Op); 524 525 /* Method cleanup */ 526 527 AcpiNsDeleteNamespaceSubtree (Method); 528 AcpiNsDeleteNamespaceByOwner (ObjDesc->Method.OwnerId); 529 AcpiUtReleaseOwnerId (&ObjDesc->Method.OwnerId); 530 return (AE_OK); 531 } 532 #endif 533 534 535 /******************************************************************************* 536 * 537 * FUNCTION: AcpiDbWalkForExecute 538 * 539 * PARAMETERS: Callback from WalkNamespace 540 * 541 * RETURN: Status 542 * 543 * DESCRIPTION: Batch execution module. Currently only executes predefined 544 * ACPI names. 545 * 546 ******************************************************************************/ 547 548 static ACPI_STATUS 549 AcpiDbWalkForExecute ( 550 ACPI_HANDLE ObjHandle, 551 UINT32 NestingLevel, 552 void *Context, 553 void **ReturnValue) 554 { 555 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 556 ACPI_DB_EXECUTE_WALK *Info = (ACPI_DB_EXECUTE_WALK *) Context; 557 ACPI_BUFFER ReturnObj; 558 ACPI_STATUS Status; 559 char *Pathname; 560 UINT32 i; 561 ACPI_DEVICE_INFO *ObjInfo; 562 ACPI_OBJECT_LIST ParamObjects; 563 ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS]; 564 const ACPI_PREDEFINED_INFO *Predefined; 565 566 567 Predefined = AcpiUtMatchPredefinedMethod (Node->Name.Ascii); 568 if (!Predefined) 569 { 570 return (AE_OK); 571 } 572 573 if (Node->Type == ACPI_TYPE_LOCAL_SCOPE) 574 { 575 return (AE_OK); 576 } 577 578 Pathname = AcpiNsGetExternalPathname (Node); 579 if (!Pathname) 580 { 581 return (AE_OK); 582 } 583 584 /* Get the object info for number of method parameters */ 585 586 Status = AcpiGetObjectInfo (ObjHandle, &ObjInfo); 587 if (ACPI_FAILURE (Status)) 588 { 589 ACPI_FREE (Pathname); 590 return (Status); 591 } 592 593 ParamObjects.Pointer = NULL; 594 ParamObjects.Count = 0; 595 596 if (ObjInfo->Type == ACPI_TYPE_METHOD) 597 { 598 /* Setup default parameters */ 599 600 for (i = 0; i < ObjInfo->ParamCount; i++) 601 { 602 Params[i].Type = ACPI_TYPE_INTEGER; 603 Params[i].Integer.Value = 1; 604 } 605 606 ParamObjects.Pointer = Params; 607 ParamObjects.Count = ObjInfo->ParamCount; 608 } 609 610 ACPI_FREE (ObjInfo); 611 ReturnObj.Pointer = NULL; 612 ReturnObj.Length = ACPI_ALLOCATE_BUFFER; 613 614 /* Do the actual method execution */ 615 616 AcpiGbl_MethodExecuting = TRUE; 617 618 Status = AcpiEvaluateObject (Node, NULL, &ParamObjects, &ReturnObj); 619 620 AcpiOsPrintf ("%-32s returned %s\n", Pathname, AcpiFormatException (Status)); 621 AcpiGbl_MethodExecuting = FALSE; 622 ACPI_FREE (Pathname); 623 624 /* Ignore status from method execution */ 625 626 Status = AE_OK; 627 628 /* Update count, check if we have executed enough methods */ 629 630 Info->Count++; 631 if (Info->Count >= Info->MaxCount) 632 { 633 Status = AE_CTRL_TERMINATE; 634 } 635 636 return (Status); 637 } 638 639 640 /******************************************************************************* 641 * 642 * FUNCTION: AcpiDbEvaluatePredefinedNames 643 * 644 * PARAMETERS: None 645 * 646 * RETURN: None 647 * 648 * DESCRIPTION: Namespace batch execution. Execute predefined names in the 649 * namespace, up to the max count, if specified. 650 * 651 ******************************************************************************/ 652 653 void 654 AcpiDbEvaluatePredefinedNames ( 655 void) 656 { 657 ACPI_DB_EXECUTE_WALK Info; 658 659 660 Info.Count = 0; 661 Info.MaxCount = ACPI_UINT32_MAX; 662 663 /* Search all nodes in namespace */ 664 665 (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, 666 AcpiDbWalkForExecute, NULL, (void *) &Info, NULL); 667 668 AcpiOsPrintf ("Evaluated %u predefined names in the namespace\n", Info.Count); 669 } 670 671 #endif /* ACPI_DEBUGGER */ 672