dswload.c revision 77424
1/****************************************************************************** 2 * 3 * Module Name: dswload - Dispatcher namespace load callbacks 4 * $Revision: 37 $ 5 * 6 *****************************************************************************/ 7 8/****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp. 13 * All rights reserved. 14 * 15 * 2. License 16 * 17 * 2.1. This is your license from Intel Corp. under its intellectual property 18 * rights. You may have additional license terms from the party that provided 19 * you this software, covering your right to use that party's intellectual 20 * property rights. 21 * 22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23 * copy of the source code appearing in this file ("Covered Code") an 24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25 * base code distributed originally by Intel ("Original Intel Code") to copy, 26 * make derivatives, distribute, use and display any portion of the Covered 27 * Code in any form, with the right to sublicense such rights; and 28 * 29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30 * license (with the right to sublicense), under only those claims of Intel 31 * patents that are infringed by the Original Intel Code, to make, use, sell, 32 * offer to sell, and import the Covered Code and derivative works thereof 33 * solely to the minimum extent necessary to exercise the above copyright 34 * license, and in no event shall the patent license extend to any additions 35 * to or modifications of the Original Intel Code. No other license or right 36 * is granted directly or by implication, estoppel or otherwise; 37 * 38 * The above copyright and patent license is granted only if the following 39 * conditions are met: 40 * 41 * 3. Conditions 42 * 43 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44 * Redistribution of source code of any substantial portion of the Covered 45 * Code or modification with rights to further distribute source must include 46 * the above Copyright Notice, the above License, this list of Conditions, 47 * and the following Disclaimer and Export Compliance provision. In addition, 48 * Licensee must cause all Covered Code to which Licensee contributes to 49 * contain a file documenting the changes Licensee made to create that Covered 50 * Code and the date of any change. Licensee must include in that file the 51 * documentation of any changes made by any predecessor Licensee. Licensee 52 * must include a prominent statement that the modification is derived, 53 * directly or indirectly, from Original Intel Code. 54 * 55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56 * Redistribution of source code of any substantial portion of the Covered 57 * Code or modification without rights to further distribute source must 58 * include the following Disclaimer and Export Compliance provision in the 59 * documentation and/or other materials provided with distribution. In 60 * addition, Licensee may not authorize further sublicense of source of any 61 * portion of the Covered Code, and must include terms to the effect that the 62 * license from Licensee to its licensee is limited to the intellectual 63 * property embodied in the software Licensee provides to its licensee, and 64 * not to intellectual property embodied in modifications its licensee may 65 * make. 66 * 67 * 3.3. Redistribution of Executable. Redistribution in executable form of any 68 * substantial portion of the Covered Code or modification must reproduce the 69 * above Copyright Notice, and the following Disclaimer and Export Compliance 70 * provision in the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3.4. Intel retains all right, title, and interest in and to the Original 74 * Intel Code. 75 * 76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77 * Intel shall be used in advertising or otherwise to promote the sale, use or 78 * other dealings in products derived from or relating to the Covered Code 79 * without prior written authorization from Intel. 80 * 81 * 4. Disclaimer and Export Compliance 82 * 83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89 * PARTICULAR PURPOSE. 90 * 91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 * LIMITED REMEDY. 99 * 100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 * software or system incorporating such software without first obtaining any 102 * required license or other approval from the U. S. Department of Commerce or 103 * any other agency or department of the United States Government. In the 104 * event Licensee exports any such software from the United States or 105 * re-exports any such software from a foreign destination, Licensee shall 106 * ensure that the distribution and export/re-export of the software is in 107 * compliance with all laws, regulations, orders, or other restrictions of the 108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 * any of its subsidiaries will export/re-export any technical data, process, 110 * software, or service, directly or indirectly, to any country for which the 111 * United States government or any agency thereof requires an export license, 112 * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117#define __DSWLOAD_C__ 118 119#include "acpi.h" 120#include "acparser.h" 121#include "amlcode.h" 122#include "acdispat.h" 123#include "acinterp.h" 124#include "acnamesp.h" 125#include "acevents.h" 126 127 128#define _COMPONENT ACPI_DISPATCHER 129 MODULE_NAME ("dswload") 130 131 132/******************************************************************************* 133 * 134 * FUNCTION: AcpiDsLoad1BeginOp 135 * 136 * PARAMETERS: WalkState - Current state of the parse tree walk 137 * Op - Op that has been just been reached in the 138 * walk; Arguments have not been evaluated yet. 139 * 140 * RETURN: Status 141 * 142 * DESCRIPTION: Descending callback used during the loading of ACPI tables. 143 * 144 ******************************************************************************/ 145 146ACPI_STATUS 147AcpiDsLoad1BeginOp ( 148 UINT16 Opcode, 149 ACPI_PARSE_OBJECT *Op, 150 ACPI_WALK_STATE *WalkState, 151 ACPI_PARSE_OBJECT **OutOp) 152{ 153 ACPI_NAMESPACE_NODE *Node; 154 ACPI_STATUS Status; 155 ACPI_OBJECT_TYPE8 DataType; 156 NATIVE_CHAR *Path; 157 158 159 PROC_NAME ("DsLoad1BeginOp"); 160 DEBUG_PRINTP (TRACE_DISPATCH, ("Op=%p State=%p\n", Op, WalkState)); 161 162 163 /* We are only interested in opcodes that have an associated name */ 164 165 if (!AcpiPsIsNamedOp (Opcode)) 166 { 167 *OutOp = Op; 168 return (AE_OK); 169 } 170 171 172 /* Check if this object has already been installed in the namespace */ 173 174 if (Op && Op->Node) 175 { 176 *OutOp = Op; 177 return (AE_OK); 178 } 179 180 Path = AcpiPsGetNextNamestring (WalkState->ParserState); 181 182 /* Map the raw opcode into an internal object type */ 183 184 DataType = AcpiDsMapNamedOpcodeToDataType (Opcode); 185 186 187 DEBUG_PRINTP (TRACE_DISPATCH, 188 ("State=%p Op=%p Type=%x\n", WalkState, Op, DataType)); 189 190 191 if (Opcode == AML_SCOPE_OP) 192 { 193 DEBUG_PRINTP (TRACE_DISPATCH, 194 ("State=%p Op=%p Type=%x\n", WalkState, Op, DataType)); 195 } 196 197 /* 198 * Enter the named type into the internal namespace. We enter the name 199 * as we go downward in the parse tree. Any necessary subobjects that involve 200 * arguments to the opcode must be created as we go back up the parse tree later. 201 */ 202 Status = AcpiNsLookup (WalkState->ScopeInfo, Path, DataType, 203 IMODE_LOAD_PASS1, NS_NO_UPSEARCH, WalkState, &(Node)); 204 205 if (ACPI_FAILURE (Status)) 206 { 207 return (Status); 208 } 209 210 if (!Op) 211 { 212 /* Create a new op */ 213 214 Op = AcpiPsAllocOp (Opcode); 215 if (!Op) 216 { 217 return (AE_NO_MEMORY); 218 } 219 } 220 221 /* Initialize */ 222 223 ((ACPI_PARSE2_OBJECT *)Op)->Name = Node->Name; 224 225 /* 226 * Put the Node in the "op" object that the parser uses, so we 227 * can get it again quickly when this scope is closed 228 */ 229 Op->Node = Node; 230 231 232 AcpiPsAppendArg (AcpiPsGetParentScope (WalkState->ParserState), Op); 233 234 *OutOp = Op; 235 236 return (Status); 237} 238 239 240/******************************************************************************* 241 * 242 * FUNCTION: AcpiDsLoad1EndOp 243 * 244 * PARAMETERS: WalkState - Current state of the parse tree walk 245 * Op - Op that has been just been completed in the 246 * walk; Arguments have now been evaluated. 247 * 248 * RETURN: Status 249 * 250 * DESCRIPTION: Ascending callback used during the loading of the namespace, 251 * both control methods and everything else. 252 * 253 ******************************************************************************/ 254 255ACPI_STATUS 256AcpiDsLoad1EndOp ( 257 ACPI_WALK_STATE *WalkState, 258 ACPI_PARSE_OBJECT *Op) 259{ 260 ACPI_OBJECT_TYPE8 DataType; 261 262 263 PROC_NAME ("DsLoad1EndOp"); 264 DEBUG_PRINT (TRACE_DISPATCH, ("Op=%p State=%p\n", Op, WalkState)); 265 266 /* We are only interested in opcodes that have an associated name */ 267 268 if (!AcpiPsIsNamedOp (Op->Opcode)) 269 { 270 return (AE_OK); 271 } 272 273 274 /* Get the type to determine if we should pop the scope */ 275 276 DataType = AcpiDsMapNamedOpcodeToDataType (Op->Opcode); 277 278 if (Op->Opcode == AML_NAME_OP) 279 { 280 /* For Name opcode, check the argument */ 281 282 if (Op->Value.Arg) 283 { 284 DataType = AcpiDsMapOpcodeToDataType ( 285 (Op->Value.Arg)->Opcode, NULL); 286 ((ACPI_NAMESPACE_NODE *)Op->Node)->Type = 287 (UINT8) DataType; 288 } 289 } 290 291 292 /* Pop the scope stack */ 293 294 if (AcpiNsOpensScope (DataType)) 295 { 296 DEBUG_PRINTP (TRACE_DISPATCH, ("(%s): Popping scope for Op %p\n", 297 AcpiUtGetTypeName (DataType), Op)); 298 299 AcpiDsScopeStackPop (WalkState); 300 } 301 302 return (AE_OK); 303 304} 305 306 307/******************************************************************************* 308 * 309 * FUNCTION: AcpiDsLoad2BeginOp 310 * 311 * PARAMETERS: WalkState - Current state of the parse tree walk 312 * Op - Op that has been just been reached in the 313 * walk; Arguments have not been evaluated yet. 314 * 315 * RETURN: Status 316 * 317 * DESCRIPTION: Descending callback used during the loading of ACPI tables. 318 * 319 ******************************************************************************/ 320 321ACPI_STATUS 322AcpiDsLoad2BeginOp ( 323 UINT16 Opcode, 324 ACPI_PARSE_OBJECT *Op, 325 ACPI_WALK_STATE *WalkState, 326 ACPI_PARSE_OBJECT **OutOp) 327{ 328 ACPI_NAMESPACE_NODE *Node; 329 ACPI_STATUS Status; 330 ACPI_OBJECT_TYPE8 DataType; 331 NATIVE_CHAR *BufferPtr; 332 void *Original = NULL; 333 334 335 PROC_NAME ("DsLoad2BeginOp"); 336 DEBUG_PRINTP (TRACE_DISPATCH, ("Op=%p State=%p\n", Op, WalkState)); 337 338 339 /* We only care about Namespace opcodes here */ 340 341 if (!AcpiPsIsNamespaceOp (Opcode) && 342 Opcode != AML_INT_NAMEPATH_OP) 343 { 344 return (AE_OK); 345 } 346 347 348 /* Temp! same code as in psparse */ 349 350 if (!AcpiPsIsNamedOp (Opcode)) 351 { 352 return (AE_OK); 353 } 354 355 if (Op) 356 { 357 /* 358 * Get the name we are going to enter or lookup in the namespace 359 */ 360 if (Opcode == AML_INT_NAMEPATH_OP) 361 { 362 /* For Namepath op, get the path string */ 363 364 BufferPtr = Op->Value.String; 365 if (!BufferPtr) 366 { 367 /* No name, just exit */ 368 369 return (AE_OK); 370 } 371 } 372 373 else 374 { 375 /* Get name from the op */ 376 377 BufferPtr = (NATIVE_CHAR *) &((ACPI_PARSE2_OBJECT *)Op)->Name; 378 } 379 } 380 381 else 382 { 383 BufferPtr = AcpiPsGetNextNamestring (WalkState->ParserState); 384 } 385 386 387 /* Map the raw opcode into an internal object type */ 388 389 DataType = AcpiDsMapNamedOpcodeToDataType (Opcode); 390 391 DEBUG_PRINTP (TRACE_DISPATCH, 392 ("State=%p Op=%p Type=%x\n", WalkState, Op, DataType)); 393 394 395 if (Opcode == AML_FIELD_OP || 396 Opcode == AML_BANK_FIELD_OP || 397 Opcode == AML_INDEX_FIELD_OP) 398 { 399 Node = NULL; 400 Status = AE_OK; 401 } 402 403 else if (Opcode == AML_INT_NAMEPATH_OP) 404 { 405 /* 406 * The NamePath is an object reference to an existing object. Don't enter the 407 * name into the namespace, but look it up for use later 408 */ 409 Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, 410 DataType, IMODE_EXECUTE, 411 NS_SEARCH_PARENT, WalkState, 412 &(Node)); 413 } 414 415 else 416 { 417 if (Op && Op->Node) 418 { 419 Original = Op->Node; 420 Node = Op->Node; 421 422 if (AcpiNsOpensScope (DataType)) 423 { 424 Status = AcpiDsScopeStackPush (Node, 425 DataType, 426 WalkState); 427 if (ACPI_FAILURE (Status)) 428 { 429 return (Status); 430 } 431 432 } 433 return (AE_OK); 434 } 435 436 /* 437 * Enter the named type into the internal namespace. We enter the name 438 * as we go downward in the parse tree. Any necessary subobjects that involve 439 * arguments to the opcode must be created as we go back up the parse tree later. 440 */ 441 Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, DataType, 442 IMODE_EXECUTE, NS_NO_UPSEARCH, WalkState, &(Node)); 443 } 444 445 if (ACPI_SUCCESS (Status)) 446 { 447 if (!Op) 448 { 449 /* Create a new op */ 450 451 Op = AcpiPsAllocOp (Opcode); 452 if (!Op) 453 { 454 return (AE_NO_MEMORY); 455 } 456 457 /* Initialize */ 458 459 ((ACPI_PARSE2_OBJECT *)Op)->Name = Node->Name; 460 *OutOp = Op; 461 } 462 463 464 /* 465 * Put the Node in the "op" object that the parser uses, so we 466 * can get it again quickly when this scope is closed 467 */ 468 Op->Node = Node; 469 470 if (Original) 471 { 472 DEBUG_PRINTP (ACPI_INFO, ("old %p new %p\n", Original, Node)); 473 474 if (Original != Node) 475 { 476 DEBUG_PRINTP (ACPI_INFO, 477 ("Lookup match error: old %p new %p\n", Original, Node)); 478 } 479 } 480 } 481 482 return (Status); 483} 484 485 486/******************************************************************************* 487 * 488 * FUNCTION: AcpiDsLoad2EndOp 489 * 490 * PARAMETERS: WalkState - Current state of the parse tree walk 491 * Op - Op that has been just been completed in the 492 * walk; Arguments have now been evaluated. 493 * 494 * RETURN: Status 495 * 496 * DESCRIPTION: Ascending callback used during the loading of the namespace, 497 * both control methods and everything else. 498 * 499 ******************************************************************************/ 500 501ACPI_STATUS 502AcpiDsLoad2EndOp ( 503 ACPI_WALK_STATE *WalkState, 504 ACPI_PARSE_OBJECT *Op) 505{ 506 ACPI_STATUS Status = AE_OK; 507 ACPI_OBJECT_TYPE8 DataType; 508 ACPI_NAMESPACE_NODE *Node; 509 ACPI_PARSE_OBJECT *Arg; 510 ACPI_NAMESPACE_NODE *NewNode; 511 512 513 PROC_NAME ("DsLoad2EndOp"); 514 DEBUG_PRINTP (TRACE_DISPATCH, ("Op=%p State=%p\n", Op, WalkState)); 515 516 if (!AcpiPsIsNamespaceObjectOp (Op->Opcode)) 517 { 518 return (AE_OK); 519 } 520 521 if (Op->Opcode == AML_SCOPE_OP) 522 { 523 DEBUG_PRINTP (TRACE_DISPATCH, 524 ("Ending scope Op=%p State=%p\n", Op, WalkState)); 525 526 if (((ACPI_PARSE2_OBJECT *)Op)->Name == -1) 527 { 528 DEBUG_PRINTP (ACPI_ERROR, ("Unnamed scope! Op=%p State=%p\n", 529 Op, WalkState)); 530 return (AE_OK); 531 } 532 } 533 534 535 DataType = AcpiDsMapNamedOpcodeToDataType (Op->Opcode); 536 537 /* 538 * Get the Node/name from the earlier lookup 539 * (It was saved in the *op structure) 540 */ 541 Node = Op->Node; 542 543 /* 544 * Put the Node on the object stack (Contains the ACPI Name of 545 * this object) 546 */ 547 548 WalkState->Operands[0] = (void *) Node; 549 WalkState->NumOperands = 1; 550 551 /* Pop the scope stack */ 552 553 if (AcpiNsOpensScope (DataType)) 554 { 555 556 DEBUG_PRINTP (TRACE_DISPATCH, ("(%s) Popping scope for Op %p\n", 557 AcpiUtGetTypeName (DataType), Op)); 558 AcpiDsScopeStackPop (WalkState); 559 } 560 561 562 /* 563 * Named operations are as follows: 564 * 565 * AML_SCOPE 566 * AML_DEVICE 567 * AML_THERMALZONE 568 * AML_METHOD 569 * AML_POWERRES 570 * AML_PROCESSOR 571 * AML_FIELD 572 * AML_INDEXFIELD 573 * AML_BANKFIELD 574 * AML_NAMEDFIELD 575 * AML_NAME 576 * AML_ALIAS 577 * AML_MUTEX 578 * AML_EVENT 579 * AML_OPREGION 580 * AML_CREATEFIELD 581 * AML_CREATEBITFIELD 582 * AML_CREATEBYTEFIELD 583 * AML_CREATEWORDFIELD 584 * AML_CREATEDWORDFIELD 585 * AML_CREATEQWORDFIELD 586 * AML_METHODCALL 587 */ 588 589 590 /* Decode the opcode */ 591 592 Arg = Op->Value.Arg; 593 594 switch (Op->Opcode) 595 { 596 597 case AML_CREATE_FIELD_OP: 598 case AML_CREATE_BIT_FIELD_OP: 599 case AML_CREATE_BYTE_FIELD_OP: 600 case AML_CREATE_WORD_FIELD_OP: 601 case AML_CREATE_DWORD_FIELD_OP: 602 case AML_CREATE_QWORD_FIELD_OP: 603 604 /* 605 * Create the field object, but the field buffer and index must 606 * be evaluated later during the execution phase 607 */ 608 609 DEBUG_PRINTP (TRACE_DISPATCH, 610 ("CreateXxxField: State=%p Op=%p NamedObj=%p\n", 611 WalkState, Op, Node)); 612 613 /* Get the NameString argument */ 614 615 if (Op->Opcode == AML_CREATE_FIELD_OP) 616 { 617 Arg = AcpiPsGetArg (Op, 3); 618 } 619 else 620 { 621 /* Create Bit/Byte/Word/Dword field */ 622 623 Arg = AcpiPsGetArg (Op, 2); 624 } 625 626 if (!Arg) 627 { 628 Status = AE_AML_NO_OPERAND; 629 goto Cleanup; 630 } 631 632 /* 633 * Enter the NameString into the namespace 634 */ 635 Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Value.String, 636 INTERNAL_TYPE_DEF_ANY, IMODE_LOAD_PASS1, 637 NS_NO_UPSEARCH | NS_DONT_OPEN_SCOPE, 638 WalkState, &(NewNode)); 639 if (ACPI_FAILURE (Status)) 640 { 641 goto Cleanup; 642 } 643 644 /* We could put the returned object (Node) on the object stack for later, but 645 * for now, we will put it in the "op" object that the parser uses, so we 646 * can get it again at the end of this scope 647 */ 648 Op->Node = NewNode; 649 650 /* 651 * If there is no object attached to the node, this node was just created and 652 * we need to create the field object. Otherwise, this was a lookup of an 653 * existing node and we don't want to create the field object again. 654 */ 655 if (!NewNode->Object) 656 { 657 /* 658 * The Field definition is not fully parsed at this time. 659 * (We must save the address of the AML for the buffer and index operands) 660 */ 661 Status = AcpiExCreateBufferField (((ACPI_PARSE2_OBJECT *) Op)->Data, 662 ((ACPI_PARSE2_OBJECT *) Op)->Length, 663 NewNode, WalkState); 664 } 665 break; 666 667 668 case AML_INT_METHODCALL_OP: 669 670 DEBUG_PRINTP (TRACE_DISPATCH, 671 ("RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n", 672 WalkState, Op, Node)); 673 674 /* 675 * Lookup the method name and save the Node 676 */ 677 678 Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Value.String, 679 ACPI_TYPE_ANY, IMODE_LOAD_PASS2, 680 NS_SEARCH_PARENT | NS_DONT_OPEN_SCOPE, 681 WalkState, &(NewNode)); 682 683 if (ACPI_SUCCESS (Status)) 684 { 685 686 /* TBD: has name already been resolved by here ??*/ 687 688 /* TBD: [Restructure] Make sure that what we found is indeed a method! */ 689 /* We didn't search for a method on purpose, to see if the name would resolve! */ 690 691 /* We could put the returned object (Node) on the object stack for later, but 692 * for now, we will put it in the "op" object that the parser uses, so we 693 * can get it again at the end of this scope 694 */ 695 Op->Node = NewNode; 696 } 697 698 699 break; 700 701 702 case AML_PROCESSOR_OP: 703 704 /* Nothing to do other than enter object into namespace */ 705 706 DEBUG_PRINTP (TRACE_DISPATCH, 707 ("LOADING-Processor: State=%p Op=%p NamedObj=%p\n", 708 WalkState, Op, Node)); 709 710 Status = AcpiExCreateProcessor (Op, Node); 711 if (ACPI_FAILURE (Status)) 712 { 713 goto Cleanup; 714 } 715 716 DEBUG_PRINT (TRACE_DISPATCH, 717 ("Completed Processor Init, Op=%p State=%p entry=%p\n", 718 Op, WalkState, Node)); 719 break; 720 721 722 case AML_POWER_RES_OP: 723 724 /* Nothing to do other than enter object into namespace */ 725 726 DEBUG_PRINTP (TRACE_DISPATCH, 727 ("LOADING-PowerResource: State=%p Op=%p NamedObj=%p\n", 728 WalkState, Op, Node)); 729 730 Status = AcpiExCreatePowerResource (Op, Node); 731 if (ACPI_FAILURE (Status)) 732 { 733 goto Cleanup; 734 } 735 736 DEBUG_PRINT (TRACE_DISPATCH, 737 ("Completed PowerResource Init, Op=%p State=%p entry=%p\n", 738 Op, WalkState, Node)); 739 break; 740 741 742 case AML_THERMAL_ZONE_OP: 743 744 /* Nothing to do other than enter object into namespace */ 745 746 DEBUG_PRINTP (TRACE_DISPATCH, 747 ("LOADING-ThermalZone: State=%p Op=%p NamedObj=%p\n", 748 WalkState, Op, Node)); 749 break; 750 751 752 case AML_FIELD_OP: 753 754 DEBUG_PRINTP (TRACE_DISPATCH, 755 ("LOADING-Field: State=%p Op=%p NamedObj=%p\n", 756 WalkState, Op, Node)); 757 758 Arg = Op->Value.Arg; 759 760 Status = AcpiDsCreateField (Op, Arg->Node, WalkState); 761 break; 762 763 764 case AML_INDEX_FIELD_OP: 765 766 DEBUG_PRINTP (TRACE_DISPATCH, 767 ("LOADING-IndexField: State=%p Op=%p NamedObj=%p\n", 768 WalkState, Op, Node)); 769 770 Arg = Op->Value.Arg; 771 772 Status = AcpiDsCreateIndexField (Op, (ACPI_HANDLE) Arg->Node, 773 WalkState); 774 break; 775 776 777 case AML_BANK_FIELD_OP: 778 779 DEBUG_PRINTP (TRACE_DISPATCH, 780 ("LOADING-BankField: State=%p Op=%p NamedObj=%p\n", 781 WalkState, Op, Node)); 782 783 Arg = Op->Value.Arg; 784 Status = AcpiDsCreateBankField (Op, Arg->Node, WalkState); 785 break; 786 787 788 /* 789 * MethodOp PkgLength NamesString MethodFlags TermList 790 */ 791 case AML_METHOD_OP: 792 793 DEBUG_PRINTP (TRACE_DISPATCH, 794 ("LOADING-Method: State=%p Op=%p NamedObj=%p\n", 795 WalkState, Op, Node)); 796 797 if (!Node->Object) 798 { 799 Status = AcpiExCreateMethod (((ACPI_PARSE2_OBJECT *) Op)->Data, 800 ((ACPI_PARSE2_OBJECT *) Op)->Length, 801 Arg->Value.Integer, Node); 802 } 803 break; 804 805 806 case AML_MUTEX_OP: 807 808 DEBUG_PRINTP (TRACE_DISPATCH, 809 ("LOADING-Mutex: Op=%p State=%p\n", Op, WalkState)); 810 811 Status = AcpiDsCreateOperands (WalkState, Arg); 812 if (ACPI_FAILURE (Status)) 813 { 814 goto Cleanup; 815 } 816 817 Status = AcpiExCreateMutex (WalkState); 818 break; 819 820 821 case AML_EVENT_OP: 822 823 DEBUG_PRINTP (TRACE_DISPATCH, 824 ("LOADING-Event: Op=%p State=%p\n", Op, WalkState)); 825 826 Status = AcpiDsCreateOperands (WalkState, Arg); 827 if (ACPI_FAILURE (Status)) 828 { 829 goto Cleanup; 830 } 831 832 Status = AcpiExCreateEvent (WalkState); 833 break; 834 835 836 case AML_REGION_OP: 837 838 if (Node->Object) 839 { 840 break; 841 } 842 843 DEBUG_PRINTP (TRACE_DISPATCH, 844 ("LOADING-Opregion: Op=%p State=%p NamedObj=%p\n", 845 Op, WalkState, Node)); 846 847 /* 848 * The OpRegion is not fully parsed at this time. Only valid argument is the SpaceId. 849 * (We must save the address of the AML of the address and length operands) 850 */ 851 Status = AcpiExCreateRegion (((ACPI_PARSE2_OBJECT *) Op)->Data, 852 ((ACPI_PARSE2_OBJECT *) Op)->Length, 853 (ACPI_ADR_SPACE_TYPE) Arg->Value.Integer, WalkState); 854 855 DEBUG_PRINT (TRACE_DISPATCH, 856 ("Completed OpRegion Init, Op=%p State=%p entry=%p\n", 857 Op, WalkState, Node)); 858 break; 859 860 861 /* Namespace Modifier Opcodes */ 862 863 case AML_ALIAS_OP: 864 865 DEBUG_PRINTP (TRACE_DISPATCH, 866 ("LOADING-Alias: Op=%p State=%p\n", Op, WalkState)); 867 868 Status = AcpiDsCreateOperands (WalkState, Arg); 869 if (ACPI_FAILURE (Status)) 870 { 871 goto Cleanup; 872 } 873 874 Status = AcpiExCreateAlias (WalkState); 875 break; 876 877 878 case AML_NAME_OP: 879 880 DEBUG_PRINTP (TRACE_DISPATCH, 881 ("LOADING-Name: Op=%p State=%p\n", Op, WalkState)); 882 883 /* 884 * Because of the execution pass through the non-control-method 885 * parts of the table, we can arrive here twice. Only init 886 * the named object node the first time through 887 */ 888 889 if (!Node->Object) 890 { 891 Status = AcpiDsCreateNode (WalkState, Node, Op); 892 } 893 894 break; 895 896 897 case AML_INT_NAMEPATH_OP: 898 899 DEBUG_PRINTP (TRACE_DISPATCH, 900 ("LOADING-NamePath object: State=%p Op=%p NamedObj=%p\n", 901 WalkState, Op, Node)); 902 break; 903 904 905 default: 906 break; 907 } 908 909 910Cleanup: 911 912 /* Remove the Node pushed at the very beginning */ 913 914 AcpiDsObjStackPop (1, WalkState); 915 return (Status); 916} 917 918 919