1 /****************************************************************************** 2 * 3 * Module Name: dswload2 - Dispatcher second pass namespace load callbacks 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2017, 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/acparser.h> 155 #include <contrib/dev/acpica/include/amlcode.h> 156 #include <contrib/dev/acpica/include/acdispat.h> 157 #include <contrib/dev/acpica/include/acinterp.h> 158 #include <contrib/dev/acpica/include/acnamesp.h> 159 #include <contrib/dev/acpica/include/acevents.h> 160 161 #define _COMPONENT ACPI_DISPATCHER 162 ACPI_MODULE_NAME ("dswload2") 163 164 165 /******************************************************************************* 166 * 167 * FUNCTION: AcpiDsLoad2BeginOp 168 * 169 * PARAMETERS: WalkState - Current state of the parse tree walk 170 * OutOp - Wher to return op if a new one is created 171 * 172 * RETURN: Status 173 * 174 * DESCRIPTION: Descending callback used during the loading of ACPI tables. 175 * 176 ******************************************************************************/ 177 178 ACPI_STATUS 179 AcpiDsLoad2BeginOp ( 180 ACPI_WALK_STATE *WalkState, 181 ACPI_PARSE_OBJECT **OutOp) 182 { 183 ACPI_PARSE_OBJECT *Op; 184 ACPI_NAMESPACE_NODE *Node; 185 ACPI_STATUS Status; 186 ACPI_OBJECT_TYPE ObjectType; 187 char *BufferPtr; 188 UINT32 Flags; 189 190 191 ACPI_FUNCTION_TRACE (DsLoad2BeginOp); 192 193 194 Op = WalkState->Op; 195 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState)); 196 197 if (Op) 198 { 199 if ((WalkState->ControlState) && 200 (WalkState->ControlState->Common.State == 201 ACPI_CONTROL_CONDITIONAL_EXECUTING)) 202 { 203 /* We are executing a while loop outside of a method */ 204 205 Status = AcpiDsExecBeginOp (WalkState, OutOp); 206 return_ACPI_STATUS (Status); 207 } 208 209 /* We only care about Namespace opcodes here */ 210 211 if ((!(WalkState->OpInfo->Flags & AML_NSOPCODE) && 212 (WalkState->Opcode != AML_INT_NAMEPATH_OP)) || 213 (!(WalkState->OpInfo->Flags & AML_NAMED))) 214 { 215 return_ACPI_STATUS (AE_OK); 216 } 217 218 /* Get the name we are going to enter or lookup in the namespace */ 219 220 if (WalkState->Opcode == AML_INT_NAMEPATH_OP) 221 { 222 /* For Namepath op, get the path string */ 223 224 BufferPtr = Op->Common.Value.String; 225 if (!BufferPtr) 226 { 227 /* No name, just exit */ 228 229 return_ACPI_STATUS (AE_OK); 230 } 231 } 232 else 233 { 234 /* Get name from the op */ 235 236 BufferPtr = ACPI_CAST_PTR (char, &Op->Named.Name); 237 } 238 } 239 else 240 { 241 /* Get the namestring from the raw AML */ 242 243 BufferPtr = AcpiPsGetNextNamestring (&WalkState->ParserState); 244 } 245 246 /* Map the opcode into an internal object type */ 247 248 ObjectType = WalkState->OpInfo->ObjectType; 249 250 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 251 "State=%p Op=%p Type=%X\n", WalkState, Op, ObjectType)); 252 253 switch (WalkState->Opcode) 254 { 255 case AML_FIELD_OP: 256 case AML_BANK_FIELD_OP: 257 case AML_INDEX_FIELD_OP: 258 259 Node = NULL; 260 Status = AE_OK; 261 break; 262 263 case AML_INT_NAMEPATH_OP: 264 /* 265 * The NamePath is an object reference to an existing object. 266 * Don't enter the name into the namespace, but look it up 267 * for use later. 268 */ 269 Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType, 270 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, 271 WalkState, &(Node)); 272 break; 273 274 case AML_SCOPE_OP: 275 276 /* Special case for Scope(\) -> refers to the Root node */ 277 278 if (Op && (Op->Named.Node == AcpiGbl_RootNode)) 279 { 280 Node = Op->Named.Node; 281 282 Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState); 283 if (ACPI_FAILURE (Status)) 284 { 285 return_ACPI_STATUS (Status); 286 } 287 } 288 else 289 { 290 /* 291 * The Path is an object reference to an existing object. 292 * Don't enter the name into the namespace, but look it up 293 * for use later. 294 */ 295 Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType, 296 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, 297 WalkState, &(Node)); 298 if (ACPI_FAILURE (Status)) 299 { 300 #ifdef ACPI_ASL_COMPILER 301 if (Status == AE_NOT_FOUND) 302 { 303 Status = AE_OK; 304 } 305 else 306 { 307 ACPI_ERROR_NAMESPACE (BufferPtr, Status); 308 } 309 #else 310 ACPI_ERROR_NAMESPACE (BufferPtr, Status); 311 #endif 312 return_ACPI_STATUS (Status); 313 } 314 } 315 316 /* 317 * We must check to make sure that the target is 318 * one of the opcodes that actually opens a scope 319 */ 320 switch (Node->Type) 321 { 322 case ACPI_TYPE_ANY: 323 case ACPI_TYPE_LOCAL_SCOPE: /* Scope */ 324 case ACPI_TYPE_DEVICE: 325 case ACPI_TYPE_POWER: 326 case ACPI_TYPE_PROCESSOR: 327 case ACPI_TYPE_THERMAL: 328 329 /* These are acceptable types */ 330 break; 331 332 case ACPI_TYPE_INTEGER: 333 case ACPI_TYPE_STRING: 334 case ACPI_TYPE_BUFFER: 335 336 /* 337 * These types we will allow, but we will change the type. 338 * This enables some existing code of the form: 339 * 340 * Name (DEB, 0) 341 * Scope (DEB) { ... } 342 */ 343 ACPI_WARNING ((AE_INFO, 344 "Type override - [%4.4s] had invalid type (%s) " 345 "for Scope operator, changed to type ANY", 346 AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Node->Type))); 347 348 Node->Type = ACPI_TYPE_ANY; 349 WalkState->ScopeInfo->Common.Value = ACPI_TYPE_ANY; 350 break; 351 352 case ACPI_TYPE_METHOD: 353 354 /* 355 * Allow scope change to root during execution of module-level 356 * code. Root is typed METHOD during this time. 357 */ 358 if ((Node == AcpiGbl_RootNode) && 359 (WalkState->ParseFlags & ACPI_PARSE_MODULE_LEVEL)) 360 { 361 break; 362 } 363 364 /*lint -fallthrough */ 365 366 default: 367 368 /* All other types are an error */ 369 370 ACPI_ERROR ((AE_INFO, 371 "Invalid type (%s) for target of " 372 "Scope operator [%4.4s] (Cannot override)", 373 AcpiUtGetTypeName (Node->Type), AcpiUtGetNodeName (Node))); 374 375 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 376 } 377 break; 378 379 default: 380 381 /* All other opcodes */ 382 383 if (Op && Op->Common.Node) 384 { 385 /* This op/node was previously entered into the namespace */ 386 387 Node = Op->Common.Node; 388 389 if (AcpiNsOpensScope (ObjectType)) 390 { 391 Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState); 392 if (ACPI_FAILURE (Status)) 393 { 394 return_ACPI_STATUS (Status); 395 } 396 } 397 398 return_ACPI_STATUS (AE_OK); 399 } 400 401 /* 402 * Enter the named type into the internal namespace. We enter the name 403 * as we go downward in the parse tree. Any necessary subobjects that 404 * involve arguments to the opcode must be created as we go back up the 405 * parse tree later. 406 * 407 * Note: Name may already exist if we are executing a deferred opcode. 408 */ 409 if (WalkState->DeferredNode) 410 { 411 /* This name is already in the namespace, get the node */ 412 413 Node = WalkState->DeferredNode; 414 Status = AE_OK; 415 break; 416 } 417 418 Flags = ACPI_NS_NO_UPSEARCH; 419 if (WalkState->PassNumber == ACPI_IMODE_EXECUTE) 420 { 421 /* Execution mode, node cannot already exist, node is temporary */ 422 423 Flags |= ACPI_NS_ERROR_IF_FOUND; 424 425 if (!(WalkState->ParseFlags & ACPI_PARSE_MODULE_LEVEL)) 426 { 427 Flags |= ACPI_NS_TEMPORARY; 428 } 429 } 430 431 /* Add new entry or lookup existing entry */ 432 433 Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType, 434 ACPI_IMODE_LOAD_PASS2, Flags, WalkState, &Node); 435 436 if (ACPI_SUCCESS (Status) && (Flags & ACPI_NS_TEMPORARY)) 437 { 438 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 439 "***New Node [%4.4s] %p is temporary\n", 440 AcpiUtGetNodeName (Node), Node)); 441 } 442 break; 443 } 444 445 if (ACPI_FAILURE (Status)) 446 { 447 ACPI_ERROR_NAMESPACE (BufferPtr, Status); 448 return_ACPI_STATUS (Status); 449 } 450 451 if (!Op) 452 { 453 /* Create a new op */ 454 455 Op = AcpiPsAllocOp (WalkState->Opcode, WalkState->Aml); 456 if (!Op) 457 { 458 return_ACPI_STATUS (AE_NO_MEMORY); 459 } 460 461 /* Initialize the new op */ 462 463 if (Node) 464 { 465 Op->Named.Name = Node->Name.Integer; 466 } 467 *OutOp = Op; 468 } 469 470 /* 471 * Put the Node in the "op" object that the parser uses, so we 472 * can get it again quickly when this scope is closed 473 */ 474 Op->Common.Node = Node; 475 return_ACPI_STATUS (Status); 476 } 477 478 479 /******************************************************************************* 480 * 481 * FUNCTION: AcpiDsLoad2EndOp 482 * 483 * PARAMETERS: WalkState - Current state of the parse tree walk 484 * 485 * RETURN: Status 486 * 487 * DESCRIPTION: Ascending callback used during the loading of the namespace, 488 * both control methods and everything else. 489 * 490 ******************************************************************************/ 491 492 ACPI_STATUS 493 AcpiDsLoad2EndOp ( 494 ACPI_WALK_STATE *WalkState) 495 { 496 ACPI_PARSE_OBJECT *Op; 497 ACPI_STATUS Status = AE_OK; 498 ACPI_OBJECT_TYPE ObjectType; 499 ACPI_NAMESPACE_NODE *Node; 500 ACPI_PARSE_OBJECT *Arg; 501 ACPI_NAMESPACE_NODE *NewNode; 502 #ifndef ACPI_NO_METHOD_EXECUTION 503 UINT32 i; 504 UINT8 RegionSpace; 505 #endif 506 507 508 ACPI_FUNCTION_TRACE (DsLoad2EndOp); 509 510 Op = WalkState->Op; 511 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n", 512 WalkState->OpInfo->Name, Op, WalkState)); 513 514 /* Check if opcode had an associated namespace object */ 515 516 if (!(WalkState->OpInfo->Flags & AML_NSOBJECT)) 517 { 518 return_ACPI_STATUS (AE_OK); 519 } 520 521 if (Op->Common.AmlOpcode == AML_SCOPE_OP) 522 { 523 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 524 "Ending scope Op=%p State=%p\n", Op, WalkState)); 525 } 526 527 ObjectType = WalkState->OpInfo->ObjectType; 528 529 /* 530 * Get the Node/name from the earlier lookup 531 * (It was saved in the *op structure) 532 */ 533 Node = Op->Common.Node; 534 535 /* 536 * Put the Node on the object stack (Contains the ACPI Name of 537 * this object) 538 */ 539 WalkState->Operands[0] = (void *) Node; 540 WalkState->NumOperands = 1; 541 542 /* Pop the scope stack */ 543 544 if (AcpiNsOpensScope (ObjectType) && 545 (Op->Common.AmlOpcode != AML_INT_METHODCALL_OP)) 546 { 547 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n", 548 AcpiUtGetTypeName (ObjectType), Op)); 549 550 Status = AcpiDsScopeStackPop (WalkState); 551 if (ACPI_FAILURE (Status)) 552 { 553 goto Cleanup; 554 } 555 } 556 557 /* 558 * Named operations are as follows: 559 * 560 * AML_ALIAS 561 * AML_BANKFIELD 562 * AML_CREATEBITFIELD 563 * AML_CREATEBYTEFIELD 564 * AML_CREATEDWORDFIELD 565 * AML_CREATEFIELD 566 * AML_CREATEQWORDFIELD 567 * AML_CREATEWORDFIELD 568 * AML_DATA_REGION 569 * AML_DEVICE 570 * AML_EVENT 571 * AML_FIELD 572 * AML_INDEXFIELD 573 * AML_METHOD 574 * AML_METHODCALL 575 * AML_MUTEX 576 * AML_NAME 577 * AML_NAMEDFIELD 578 * AML_OPREGION 579 * AML_POWERRES 580 * AML_PROCESSOR 581 * AML_SCOPE 582 * AML_THERMALZONE 583 */ 584 585 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 586 "Create-Load [%s] State=%p Op=%p NamedObj=%p\n", 587 AcpiPsGetOpcodeName (Op->Common.AmlOpcode), WalkState, Op, Node)); 588 589 /* Decode the opcode */ 590 591 Arg = Op->Common.Value.Arg; 592 593 switch (WalkState->OpInfo->Type) 594 { 595 #ifndef ACPI_NO_METHOD_EXECUTION 596 597 case AML_TYPE_CREATE_FIELD: 598 /* 599 * Create the field object, but the field buffer and index must 600 * be evaluated later during the execution phase 601 */ 602 Status = AcpiDsCreateBufferField (Op, WalkState); 603 break; 604 605 case AML_TYPE_NAMED_FIELD: 606 /* 607 * If we are executing a method, initialize the field 608 */ 609 if (WalkState->MethodNode) 610 { 611 Status = AcpiDsInitFieldObjects (Op, WalkState); 612 } 613 614 switch (Op->Common.AmlOpcode) 615 { 616 case AML_INDEX_FIELD_OP: 617 618 Status = AcpiDsCreateIndexField ( 619 Op, (ACPI_HANDLE) Arg->Common.Node, WalkState); 620 break; 621 622 case AML_BANK_FIELD_OP: 623 624 Status = AcpiDsCreateBankField (Op, Arg->Common.Node, WalkState); 625 break; 626 627 case AML_FIELD_OP: 628 629 Status = AcpiDsCreateField (Op, Arg->Common.Node, WalkState); 630 break; 631 632 default: 633 634 /* All NAMED_FIELD opcodes must be handled above */ 635 break; 636 } 637 break; 638 639 case AML_TYPE_NAMED_SIMPLE: 640 641 Status = AcpiDsCreateOperands (WalkState, Arg); 642 if (ACPI_FAILURE (Status)) 643 { 644 goto Cleanup; 645 } 646 647 switch (Op->Common.AmlOpcode) 648 { 649 case AML_PROCESSOR_OP: 650 651 Status = AcpiExCreateProcessor (WalkState); 652 break; 653 654 case AML_POWER_RESOURCE_OP: 655 656 Status = AcpiExCreatePowerResource (WalkState); 657 break; 658 659 case AML_MUTEX_OP: 660 661 Status = AcpiExCreateMutex (WalkState); 662 break; 663 664 case AML_EVENT_OP: 665 666 Status = AcpiExCreateEvent (WalkState); 667 break; 668 669 case AML_ALIAS_OP: 670 671 Status = AcpiExCreateAlias (WalkState); 672 break; 673 674 default: 675 676 /* Unknown opcode */ 677 678 Status = AE_OK; 679 goto Cleanup; 680 } 681 682 /* Delete operands */ 683 684 for (i = 1; i < WalkState->NumOperands; i++) 685 { 686 AcpiUtRemoveReference (WalkState->Operands[i]); 687 WalkState->Operands[i] = NULL; 688 } 689 690 break; 691 #endif /* ACPI_NO_METHOD_EXECUTION */ 692 693 case AML_TYPE_NAMED_COMPLEX: 694 695 switch (Op->Common.AmlOpcode) 696 { 697 #ifndef ACPI_NO_METHOD_EXECUTION 698 case AML_REGION_OP: 699 case AML_DATA_REGION_OP: 700 701 if (Op->Common.AmlOpcode == AML_REGION_OP) 702 { 703 RegionSpace = (ACPI_ADR_SPACE_TYPE) 704 ((Op->Common.Value.Arg)->Common.Value.Integer); 705 } 706 else 707 { 708 RegionSpace = ACPI_ADR_SPACE_DATA_TABLE; 709 } 710 711 /* 712 * The OpRegion is not fully parsed at this time. The only valid 713 * argument is the SpaceId. (We must save the address of the 714 * AML of the address and length operands) 715 * 716 * If we have a valid region, initialize it. The namespace is 717 * unlocked at this point. 718 * 719 * Need to unlock interpreter if it is locked (if we are running 720 * a control method), in order to allow _REG methods to be run 721 * during AcpiEvInitializeRegion. 722 */ 723 if (WalkState->MethodNode) 724 { 725 /* 726 * Executing a method: initialize the region and unlock 727 * the interpreter 728 */ 729 Status = AcpiExCreateRegion (Op->Named.Data, 730 Op->Named.Length, RegionSpace, WalkState); 731 if (ACPI_FAILURE (Status)) 732 { 733 return_ACPI_STATUS (Status); 734 } 735 } 736 737 Status = AcpiEvInitializeRegion ( 738 AcpiNsGetAttachedObject (Node)); 739 break; 740 741 case AML_NAME_OP: 742 743 Status = AcpiDsCreateNode (WalkState, Node, Op); 744 break; 745 746 case AML_METHOD_OP: 747 /* 748 * MethodOp PkgLength NameString MethodFlags TermList 749 * 750 * Note: We must create the method node/object pair as soon as we 751 * see the method declaration. This allows later pass1 parsing 752 * of invocations of the method (need to know the number of 753 * arguments.) 754 */ 755 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 756 "LOADING-Method: State=%p Op=%p NamedObj=%p\n", 757 WalkState, Op, Op->Named.Node)); 758 759 if (!AcpiNsGetAttachedObject (Op->Named.Node)) 760 { 761 WalkState->Operands[0] = ACPI_CAST_PTR (void, Op->Named.Node); 762 WalkState->NumOperands = 1; 763 764 Status = AcpiDsCreateOperands ( 765 WalkState, Op->Common.Value.Arg); 766 if (ACPI_SUCCESS (Status)) 767 { 768 Status = AcpiExCreateMethod ( 769 Op->Named.Data, Op->Named.Length, WalkState); 770 } 771 772 WalkState->Operands[0] = NULL; 773 WalkState->NumOperands = 0; 774 775 if (ACPI_FAILURE (Status)) 776 { 777 return_ACPI_STATUS (Status); 778 } 779 } 780 break; 781 782 #endif /* ACPI_NO_METHOD_EXECUTION */ 783 784 default: 785 786 /* All NAMED_COMPLEX opcodes must be handled above */ 787 break; 788 } 789 break; 790 791 case AML_CLASS_INTERNAL: 792 793 /* case AML_INT_NAMEPATH_OP: */ 794 break; 795 796 case AML_CLASS_METHOD_CALL: 797 798 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 799 "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n", 800 WalkState, Op, Node)); 801 802 /* 803 * Lookup the method name and save the Node 804 */ 805 Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.String, 806 ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS2, 807 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, 808 WalkState, &(NewNode)); 809 if (ACPI_SUCCESS (Status)) 810 { 811 /* 812 * Make sure that what we found is indeed a method 813 * We didn't search for a method on purpose, to see if the name 814 * would resolve 815 */ 816 if (NewNode->Type != ACPI_TYPE_METHOD) 817 { 818 Status = AE_AML_OPERAND_TYPE; 819 } 820 821 /* We could put the returned object (Node) on the object stack for 822 * later, but for now, we will put it in the "op" object that the 823 * parser uses, so we can get it again at the end of this scope 824 */ 825 Op->Common.Node = NewNode; 826 } 827 else 828 { 829 ACPI_ERROR_NAMESPACE (Arg->Common.Value.String, Status); 830 } 831 break; 832 833 834 default: 835 836 break; 837 } 838 839 Cleanup: 840 841 /* Remove the Node pushed at the very beginning */ 842 843 WalkState->Operands[0] = NULL; 844 WalkState->NumOperands = 0; 845 return_ACPI_STATUS (Status); 846 } 847