1 /****************************************************************************** 2 * 3 * Module Name: dsobject - Dispatcher object management routines 4 * $Revision: 124 $ 5 * 6 *****************************************************************************/ 7 8 /****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2005, 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 __DSOBJECT_C__ 118 119 #include "acpi.h" 120 #include "acparser.h" 121 #include "amlcode.h" 122 #include "acdispat.h" 123 #include "acnamesp.h" 124 #include "acinterp.h" 125 126 #define _COMPONENT ACPI_DISPATCHER 127 ACPI_MODULE_NAME ("dsobject") 128 129 static ACPI_STATUS 130 AcpiDsBuildInternalObject ( 131 ACPI_WALK_STATE *WalkState, 132 ACPI_PARSE_OBJECT *Op, 133 ACPI_OPERAND_OBJECT **ObjDescPtr); 134 135 136 #ifndef ACPI_NO_METHOD_EXECUTION 137 /******************************************************************************* 138 * 139 * FUNCTION: AcpiDsBuildInternalObject 140 * 141 * PARAMETERS: WalkState - Current walk state 142 * Op - Parser object to be translated 143 * ObjDescPtr - Where the ACPI internal object is returned 144 * 145 * RETURN: Status 146 * 147 * DESCRIPTION: Translate a parser Op object to the equivalent namespace object 148 * Simple objects are any objects other than a package object! 149 * 150 ******************************************************************************/ 151 152 static ACPI_STATUS 153 AcpiDsBuildInternalObject ( 154 ACPI_WALK_STATE *WalkState, 155 ACPI_PARSE_OBJECT *Op, 156 ACPI_OPERAND_OBJECT **ObjDescPtr) 157 { 158 ACPI_OPERAND_OBJECT *ObjDesc; 159 ACPI_STATUS Status; 160 161 162 ACPI_FUNCTION_TRACE ("DsBuildInternalObject"); 163 164 165 *ObjDescPtr = NULL; 166 if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP) 167 { 168 /* 169 * This is an named object reference. If this name was 170 * previously looked up in the namespace, it was stored in this op. 171 * Otherwise, go ahead and look it up now 172 */ 173 if (!Op->Common.Node) 174 { 175 Status = AcpiNsLookup (WalkState->ScopeInfo, 176 Op->Common.Value.String, 177 ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, 178 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, 179 NULL, 180 (ACPI_NAMESPACE_NODE **) &(Op->Common.Node)); 181 182 if (ACPI_FAILURE (Status)) 183 { 184 ACPI_REPORT_NSERROR (Op->Common.Value.String, Status); 185 return_ACPI_STATUS (Status); 186 } 187 } 188 } 189 190 /* Create and init the internal ACPI object */ 191 192 ObjDesc = AcpiUtCreateInternalObject ( 193 (AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode))->ObjectType); 194 if (!ObjDesc) 195 { 196 return_ACPI_STATUS (AE_NO_MEMORY); 197 } 198 199 Status = AcpiDsInitObjectFromOp (WalkState, Op, Op->Common.AmlOpcode, 200 &ObjDesc); 201 if (ACPI_FAILURE (Status)) 202 { 203 AcpiUtRemoveReference (ObjDesc); 204 return_ACPI_STATUS (Status); 205 } 206 207 *ObjDescPtr = ObjDesc; 208 return_ACPI_STATUS (AE_OK); 209 } 210 211 212 /******************************************************************************* 213 * 214 * FUNCTION: AcpiDsBuildInternalBufferObj 215 * 216 * PARAMETERS: WalkState - Current walk state 217 * Op - Parser object to be translated 218 * BufferLength - Length of the buffer 219 * ObjDescPtr - Where the ACPI internal object is returned 220 * 221 * RETURN: Status 222 * 223 * DESCRIPTION: Translate a parser Op package object to the equivalent 224 * namespace object 225 * 226 ******************************************************************************/ 227 228 ACPI_STATUS 229 AcpiDsBuildInternalBufferObj ( 230 ACPI_WALK_STATE *WalkState, 231 ACPI_PARSE_OBJECT *Op, 232 UINT32 BufferLength, 233 ACPI_OPERAND_OBJECT **ObjDescPtr) 234 { 235 ACPI_PARSE_OBJECT *Arg; 236 ACPI_OPERAND_OBJECT *ObjDesc; 237 ACPI_PARSE_OBJECT *ByteList; 238 UINT32 ByteListLength = 0; 239 240 241 ACPI_FUNCTION_TRACE ("DsBuildInternalBufferObj"); 242 243 244 ObjDesc = *ObjDescPtr; 245 if (ObjDesc) 246 { 247 /* 248 * We are evaluating a Named buffer object "Name (xxxx, Buffer)". 249 * The buffer object already exists (from the NS node) 250 */ 251 } 252 else 253 { 254 /* Create a new buffer object */ 255 256 ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER); 257 *ObjDescPtr = ObjDesc; 258 if (!ObjDesc) 259 { 260 return_ACPI_STATUS (AE_NO_MEMORY); 261 } 262 } 263 264 /* 265 * Second arg is the buffer data (optional) ByteList can be either 266 * individual bytes or a string initializer. In either case, a 267 * ByteList appears in the AML. 268 */ 269 Arg = Op->Common.Value.Arg; /* skip first arg */ 270 271 ByteList = Arg->Named.Next; 272 if (ByteList) 273 { 274 if (ByteList->Common.AmlOpcode != AML_INT_BYTELIST_OP) 275 { 276 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 277 "Expecting bytelist, got AML opcode %X in op %p\n", 278 ByteList->Common.AmlOpcode, ByteList)); 279 280 AcpiUtRemoveReference (ObjDesc); 281 return (AE_TYPE); 282 } 283 284 ByteListLength = (UINT32) ByteList->Common.Value.Integer; 285 } 286 287 /* 288 * The buffer length (number of bytes) will be the larger of: 289 * 1) The specified buffer length and 290 * 2) The length of the initializer byte list 291 */ 292 ObjDesc->Buffer.Length = BufferLength; 293 if (ByteListLength > BufferLength) 294 { 295 ObjDesc->Buffer.Length = ByteListLength; 296 } 297 298 /* Allocate the buffer */ 299 300 if (ObjDesc->Buffer.Length == 0) 301 { 302 ObjDesc->Buffer.Pointer = NULL; 303 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 304 "Buffer defined with zero length in AML, creating\n")); 305 } 306 else 307 { 308 ObjDesc->Buffer.Pointer = ACPI_MEM_CALLOCATE ( 309 ObjDesc->Buffer.Length); 310 if (!ObjDesc->Buffer.Pointer) 311 { 312 AcpiUtDeleteObjectDesc (ObjDesc); 313 return_ACPI_STATUS (AE_NO_MEMORY); 314 } 315 316 /* Initialize buffer from the ByteList (if present) */ 317 318 if (ByteList) 319 { 320 ACPI_MEMCPY (ObjDesc->Buffer.Pointer, ByteList->Named.Data, 321 ByteListLength); 322 } 323 } 324 325 ObjDesc->Buffer.Flags |= AOPOBJ_DATA_VALID; 326 Op->Common.Node = (ACPI_NAMESPACE_NODE *) ObjDesc; 327 return_ACPI_STATUS (AE_OK); 328 } 329 330 331 /******************************************************************************* 332 * 333 * FUNCTION: AcpiDsBuildInternalPackageObj 334 * 335 * PARAMETERS: WalkState - Current walk state 336 * Op - Parser object to be translated 337 * PackageLength - Number of elements in the package 338 * ObjDescPtr - Where the ACPI internal object is returned 339 * 340 * RETURN: Status 341 * 342 * DESCRIPTION: Translate a parser Op package object to the equivalent 343 * namespace object 344 * 345 ******************************************************************************/ 346 347 ACPI_STATUS 348 AcpiDsBuildInternalPackageObj ( 349 ACPI_WALK_STATE *WalkState, 350 ACPI_PARSE_OBJECT *Op, 351 UINT32 PackageLength, 352 ACPI_OPERAND_OBJECT **ObjDescPtr) 353 { 354 ACPI_PARSE_OBJECT *Arg; 355 ACPI_PARSE_OBJECT *Parent; 356 ACPI_OPERAND_OBJECT *ObjDesc = NULL; 357 UINT32 PackageListLength; 358 ACPI_STATUS Status = AE_OK; 359 UINT32 i; 360 361 362 ACPI_FUNCTION_TRACE ("DsBuildInternalPackageObj"); 363 364 365 /* Find the parent of a possibly nested package */ 366 367 Parent = Op->Common.Parent; 368 while ((Parent->Common.AmlOpcode == AML_PACKAGE_OP) || 369 (Parent->Common.AmlOpcode == AML_VAR_PACKAGE_OP)) 370 { 371 Parent = Parent->Common.Parent; 372 } 373 374 ObjDesc = *ObjDescPtr; 375 if (ObjDesc) 376 { 377 /* 378 * We are evaluating a Named package object "Name (xxxx, Package)". 379 * Get the existing package object from the NS node 380 */ 381 } 382 else 383 { 384 ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PACKAGE); 385 *ObjDescPtr = ObjDesc; 386 if (!ObjDesc) 387 { 388 return_ACPI_STATUS (AE_NO_MEMORY); 389 } 390 391 ObjDesc->Package.Node = Parent->Common.Node; 392 } 393 394 ObjDesc->Package.Count = PackageLength; 395 396 /* Count the number of items in the package list */ 397 398 PackageListLength = 0; 399 Arg = Op->Common.Value.Arg; 400 Arg = Arg->Common.Next; 401 while (Arg) 402 { 403 PackageListLength++; 404 Arg = Arg->Common.Next; 405 } 406 407 /* 408 * The package length (number of elements) will be the greater 409 * of the specified length and the length of the initializer list 410 */ 411 if (PackageListLength > PackageLength) 412 { 413 ObjDesc->Package.Count = PackageListLength; 414 } 415 416 /* 417 * Allocate the pointer array (array of pointers to the 418 * individual objects). Add an extra pointer slot so 419 * that the list is always null terminated. 420 */ 421 ObjDesc->Package.Elements = ACPI_MEM_CALLOCATE ( 422 ((ACPI_SIZE) ObjDesc->Package.Count + 1) * sizeof (void *)); 423 424 if (!ObjDesc->Package.Elements) 425 { 426 AcpiUtDeleteObjectDesc (ObjDesc); 427 return_ACPI_STATUS (AE_NO_MEMORY); 428 } 429 430 /* 431 * Now init the elements of the package 432 */ 433 i = 0; 434 Arg = Op->Common.Value.Arg; 435 Arg = Arg->Common.Next; 436 while (Arg) 437 { 438 if (Arg->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP) 439 { 440 /* Object (package or buffer) is already built */ 441 442 ObjDesc->Package.Elements[i] = 443 ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, Arg->Common.Node); 444 } 445 else 446 { 447 Status = AcpiDsBuildInternalObject (WalkState, Arg, 448 &ObjDesc->Package.Elements[i]); 449 } 450 451 i++; 452 Arg = Arg->Common.Next; 453 } 454 455 ObjDesc->Package.Flags |= AOPOBJ_DATA_VALID; 456 Op->Common.Node = (ACPI_NAMESPACE_NODE *) ObjDesc; 457 return_ACPI_STATUS (Status); 458 } 459 460 461 /******************************************************************************* 462 * 463 * FUNCTION: AcpiDsCreateNode 464 * 465 * PARAMETERS: WalkState - Current walk state 466 * Node - NS Node to be initialized 467 * Op - Parser object to be translated 468 * 469 * RETURN: Status 470 * 471 * DESCRIPTION: Create the object to be associated with a namespace node 472 * 473 ******************************************************************************/ 474 475 ACPI_STATUS 476 AcpiDsCreateNode ( 477 ACPI_WALK_STATE *WalkState, 478 ACPI_NAMESPACE_NODE *Node, 479 ACPI_PARSE_OBJECT *Op) 480 { 481 ACPI_STATUS Status; 482 ACPI_OPERAND_OBJECT *ObjDesc; 483 484 485 ACPI_FUNCTION_TRACE_PTR ("DsCreateNode", Op); 486 487 488 /* 489 * Because of the execution pass through the non-control-method 490 * parts of the table, we can arrive here twice. Only init 491 * the named object node the first time through 492 */ 493 if (AcpiNsGetAttachedObject (Node)) 494 { 495 return_ACPI_STATUS (AE_OK); 496 } 497 498 if (!Op->Common.Value.Arg) 499 { 500 /* No arguments, there is nothing to do */ 501 502 return_ACPI_STATUS (AE_OK); 503 } 504 505 /* Build an internal object for the argument(s) */ 506 507 Status = AcpiDsBuildInternalObject (WalkState, Op->Common.Value.Arg, 508 &ObjDesc); 509 if (ACPI_FAILURE (Status)) 510 { 511 return_ACPI_STATUS (Status); 512 } 513 514 /* Re-type the object according to its argument */ 515 516 Node->Type = ACPI_GET_OBJECT_TYPE (ObjDesc); 517 518 /* Attach obj to node */ 519 520 Status = AcpiNsAttachObject (Node, ObjDesc, Node->Type); 521 522 /* Remove local reference to the object */ 523 524 AcpiUtRemoveReference (ObjDesc); 525 return_ACPI_STATUS (Status); 526 } 527 528 #endif /* ACPI_NO_METHOD_EXECUTION */ 529 530 531 /******************************************************************************* 532 * 533 * FUNCTION: AcpiDsInitObjectFromOp 534 * 535 * PARAMETERS: WalkState - Current walk state 536 * Op - Parser op used to init the internal object 537 * Opcode - AML opcode associated with the object 538 * RetObjDesc - Namespace object to be initialized 539 * 540 * RETURN: Status 541 * 542 * DESCRIPTION: Initialize a namespace object from a parser Op and its 543 * associated arguments. The namespace object is a more compact 544 * representation of the Op and its arguments. 545 * 546 ******************************************************************************/ 547 548 ACPI_STATUS 549 AcpiDsInitObjectFromOp ( 550 ACPI_WALK_STATE *WalkState, 551 ACPI_PARSE_OBJECT *Op, 552 UINT16 Opcode, 553 ACPI_OPERAND_OBJECT **RetObjDesc) 554 { 555 const ACPI_OPCODE_INFO *OpInfo; 556 ACPI_OPERAND_OBJECT *ObjDesc; 557 ACPI_STATUS Status = AE_OK; 558 559 560 ACPI_FUNCTION_TRACE ("DsInitObjectFromOp"); 561 562 563 ObjDesc = *RetObjDesc; 564 OpInfo = AcpiPsGetOpcodeInfo (Opcode); 565 if (OpInfo->Class == AML_CLASS_UNKNOWN) 566 { 567 /* Unknown opcode */ 568 569 return_ACPI_STATUS (AE_TYPE); 570 } 571 572 /* Perform per-object initialization */ 573 574 switch (ACPI_GET_OBJECT_TYPE (ObjDesc)) 575 { 576 case ACPI_TYPE_BUFFER: 577 578 /* 579 * Defer evaluation of Buffer TermArg operand 580 */ 581 ObjDesc->Buffer.Node = (ACPI_NAMESPACE_NODE *) 582 WalkState->Operands[0]; 583 ObjDesc->Buffer.AmlStart = Op->Named.Data; 584 ObjDesc->Buffer.AmlLength = Op->Named.Length; 585 break; 586 587 588 case ACPI_TYPE_PACKAGE: 589 590 /* 591 * Defer evaluation of Package TermArg operand 592 */ 593 ObjDesc->Package.Node = (ACPI_NAMESPACE_NODE *) 594 WalkState->Operands[0]; 595 ObjDesc->Package.AmlStart = Op->Named.Data; 596 ObjDesc->Package.AmlLength = Op->Named.Length; 597 break; 598 599 600 case ACPI_TYPE_INTEGER: 601 602 switch (OpInfo->Type) 603 { 604 case AML_TYPE_CONSTANT: 605 /* 606 * Resolve AML Constants here - AND ONLY HERE! 607 * All constants are integers. 608 * We mark the integer with a flag that indicates that it started 609 * life as a constant -- so that stores to constants will perform 610 * as expected (noop). ZeroOp is used as a placeholder for optional 611 * target operands. 612 */ 613 ObjDesc->Common.Flags = AOPOBJ_AML_CONSTANT; 614 615 switch (Opcode) 616 { 617 case AML_ZERO_OP: 618 619 ObjDesc->Integer.Value = 0; 620 break; 621 622 case AML_ONE_OP: 623 624 ObjDesc->Integer.Value = 1; 625 break; 626 627 case AML_ONES_OP: 628 629 ObjDesc->Integer.Value = ACPI_INTEGER_MAX; 630 631 /* Truncate value if we are executing from a 32-bit ACPI table */ 632 633 #ifndef ACPI_NO_METHOD_EXECUTION 634 AcpiExTruncateFor32bitTable (ObjDesc); 635 #endif 636 break; 637 638 case AML_REVISION_OP: 639 640 ObjDesc->Integer.Value = ACPI_CA_VERSION; 641 break; 642 643 default: 644 645 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 646 "Unknown constant opcode %X\n", Opcode)); 647 Status = AE_AML_OPERAND_TYPE; 648 break; 649 } 650 break; 651 652 653 case AML_TYPE_LITERAL: 654 655 ObjDesc->Integer.Value = Op->Common.Value.Integer; 656 #ifndef ACPI_NO_METHOD_EXECUTION 657 AcpiExTruncateFor32bitTable (ObjDesc); 658 #endif 659 break; 660 661 662 default: 663 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Integer type %X\n", 664 OpInfo->Type)); 665 Status = AE_AML_OPERAND_TYPE; 666 break; 667 } 668 break; 669 670 671 case ACPI_TYPE_STRING: 672 673 ObjDesc->String.Pointer = Op->Common.Value.String; 674 ObjDesc->String.Length = (UINT32) ACPI_STRLEN (Op->Common.Value.String); 675 676 /* 677 * The string is contained in the ACPI table, don't ever try 678 * to delete it 679 */ 680 ObjDesc->Common.Flags |= AOPOBJ_STATIC_POINTER; 681 break; 682 683 684 case ACPI_TYPE_METHOD: 685 break; 686 687 688 case ACPI_TYPE_LOCAL_REFERENCE: 689 690 switch (OpInfo->Type) 691 { 692 case AML_TYPE_LOCAL_VARIABLE: 693 694 /* Split the opcode into a base opcode + offset */ 695 696 ObjDesc->Reference.Opcode = AML_LOCAL_OP; 697 ObjDesc->Reference.Offset = Opcode - AML_LOCAL_OP; 698 699 #ifndef ACPI_NO_METHOD_EXECUTION 700 Status = AcpiDsMethodDataGetNode (AML_LOCAL_OP, 701 ObjDesc->Reference.Offset, 702 WalkState, 703 (ACPI_NAMESPACE_NODE **) &ObjDesc->Reference.Object); 704 #endif 705 break; 706 707 708 case AML_TYPE_METHOD_ARGUMENT: 709 710 /* Split the opcode into a base opcode + offset */ 711 712 ObjDesc->Reference.Opcode = AML_ARG_OP; 713 ObjDesc->Reference.Offset = Opcode - AML_ARG_OP; 714 715 #ifndef ACPI_NO_METHOD_EXECUTION 716 Status = AcpiDsMethodDataGetNode (AML_ARG_OP, 717 ObjDesc->Reference.Offset, 718 WalkState, 719 (ACPI_NAMESPACE_NODE **) &ObjDesc->Reference.Object); 720 #endif 721 break; 722 723 default: /* Other literals, etc.. */ 724 725 if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP) 726 { 727 /* Node was saved in Op */ 728 729 ObjDesc->Reference.Node = Op->Common.Node; 730 } 731 732 ObjDesc->Reference.Opcode = Opcode; 733 break; 734 } 735 break; 736 737 738 default: 739 740 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unimplemented data type: %X\n", 741 ACPI_GET_OBJECT_TYPE (ObjDesc))); 742 743 Status = AE_AML_OPERAND_TYPE; 744 break; 745 } 746 747 return_ACPI_STATUS (Status); 748 } 749 750 751