exstore.c revision 87031
1 2/****************************************************************************** 3 * 4 * Module Name: exstore - AML Interpreter object store support 5 * $Revision: 154 $ 6 * 7 *****************************************************************************/ 8 9/****************************************************************************** 10 * 11 * 1. Copyright Notice 12 * 13 * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp. 14 * All rights reserved. 15 * 16 * 2. License 17 * 18 * 2.1. This is your license from Intel Corp. under its intellectual property 19 * rights. You may have additional license terms from the party that provided 20 * you this software, covering your right to use that party's intellectual 21 * property rights. 22 * 23 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 24 * copy of the source code appearing in this file ("Covered Code") an 25 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 26 * base code distributed originally by Intel ("Original Intel Code") to copy, 27 * make derivatives, distribute, use and display any portion of the Covered 28 * Code in any form, with the right to sublicense such rights; and 29 * 30 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 31 * license (with the right to sublicense), under only those claims of Intel 32 * patents that are infringed by the Original Intel Code, to make, use, sell, 33 * offer to sell, and import the Covered Code and derivative works thereof 34 * solely to the minimum extent necessary to exercise the above copyright 35 * license, and in no event shall the patent license extend to any additions 36 * to or modifications of the Original Intel Code. No other license or right 37 * is granted directly or by implication, estoppel or otherwise; 38 * 39 * The above copyright and patent license is granted only if the following 40 * conditions are met: 41 * 42 * 3. Conditions 43 * 44 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 45 * Redistribution of source code of any substantial portion of the Covered 46 * Code or modification with rights to further distribute source must include 47 * the above Copyright Notice, the above License, this list of Conditions, 48 * and the following Disclaimer and Export Compliance provision. In addition, 49 * Licensee must cause all Covered Code to which Licensee contributes to 50 * contain a file documenting the changes Licensee made to create that Covered 51 * Code and the date of any change. Licensee must include in that file the 52 * documentation of any changes made by any predecessor Licensee. Licensee 53 * must include a prominent statement that the modification is derived, 54 * directly or indirectly, from Original Intel Code. 55 * 56 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 57 * Redistribution of source code of any substantial portion of the Covered 58 * Code or modification without rights to further distribute source must 59 * include the following Disclaimer and Export Compliance provision in the 60 * documentation and/or other materials provided with distribution. In 61 * addition, Licensee may not authorize further sublicense of source of any 62 * portion of the Covered Code, and must include terms to the effect that the 63 * license from Licensee to its licensee is limited to the intellectual 64 * property embodied in the software Licensee provides to its licensee, and 65 * not to intellectual property embodied in modifications its licensee may 66 * make. 67 * 68 * 3.3. Redistribution of Executable. Redistribution in executable form of any 69 * substantial portion of the Covered Code or modification must reproduce the 70 * above Copyright Notice, and the following Disclaimer and Export Compliance 71 * provision in the documentation and/or other materials provided with the 72 * distribution. 73 * 74 * 3.4. Intel retains all right, title, and interest in and to the Original 75 * Intel Code. 76 * 77 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 78 * Intel shall be used in advertising or otherwise to promote the sale, use or 79 * other dealings in products derived from or relating to the Covered Code 80 * without prior written authorization from Intel. 81 * 82 * 4. Disclaimer and Export Compliance 83 * 84 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 85 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 86 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 87 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 88 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 89 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 90 * PARTICULAR PURPOSE. 91 * 92 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 93 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 94 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 95 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 96 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 97 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 98 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 99 * LIMITED REMEDY. 100 * 101 * 4.3. Licensee shall not export, either directly or indirectly, any of this 102 * software or system incorporating such software without first obtaining any 103 * required license or other approval from the U. S. Department of Commerce or 104 * any other agency or department of the United States Government. In the 105 * event Licensee exports any such software from the United States or 106 * re-exports any such software from a foreign destination, Licensee shall 107 * ensure that the distribution and export/re-export of the software is in 108 * compliance with all laws, regulations, orders, or other restrictions of the 109 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 110 * any of its subsidiaries will export/re-export any technical data, process, 111 * software, or service, directly or indirectly, to any country for which the 112 * United States government or any agency thereof requires an export license, 113 * other governmental approval, or letter of assurance, without first obtaining 114 * such license, approval or letter. 115 * 116 *****************************************************************************/ 117 118#define __EXSTORE_C__ 119 120#include "acpi.h" 121#include "acparser.h" 122#include "acdispat.h" 123#include "acinterp.h" 124#include "amlcode.h" 125#include "acnamesp.h" 126#include "actables.h" 127 128 129#define _COMPONENT ACPI_EXECUTER 130 MODULE_NAME ("exstore") 131 132 133/******************************************************************************* 134 * 135 * FUNCTION: AcpiExStore 136 * 137 * PARAMETERS: *SourceDesc - Value to be stored 138 * *DestDesc - Where to store it. Must be an NS node 139 * or an ACPI_OPERAND_OBJECT of type 140 * Reference; 141 * WalkState - Current walk state 142 * 143 * RETURN: Status 144 * 145 * DESCRIPTION: Store the value described by SourceDesc into the location 146 * described by DestDesc. Called by various interpreter 147 * functions to store the result of an operation into 148 * the destination operand -- not just simply the actual STORE 149 * ASL operator. 150 * 151 ******************************************************************************/ 152 153ACPI_STATUS 154AcpiExStore ( 155 ACPI_OPERAND_OBJECT *SourceDesc, 156 ACPI_OPERAND_OBJECT *DestDesc, 157 ACPI_WALK_STATE *WalkState) 158{ 159 ACPI_STATUS Status = AE_OK; 160 ACPI_OPERAND_OBJECT *RefDesc = DestDesc; 161 162 163 FUNCTION_TRACE_PTR ("ExStore", DestDesc); 164 165 166 /* Validate parameters */ 167 168 if (!SourceDesc || !DestDesc) 169 { 170 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - null pointer\n")); 171 return_ACPI_STATUS (AE_AML_NO_OPERAND); 172 } 173 174 /* DestDesc can be either a namespace node or an ACPI object */ 175 176 if (VALID_DESCRIPTOR_TYPE (DestDesc, ACPI_DESC_TYPE_NAMED)) 177 { 178 /* 179 * Dest is a namespace node, 180 * Storing an object into a Name "container" 181 */ 182 Status = AcpiExStoreObjectToNode (SourceDesc, 183 (ACPI_NAMESPACE_NODE *) DestDesc, WalkState); 184 185 /* All done, that's it */ 186 187 return_ACPI_STATUS (Status); 188 } 189 190 /* Destination object must be an object of type Reference */ 191 192 if (DestDesc->Common.Type != INTERNAL_TYPE_REFERENCE) 193 { 194 /* Destination is not an Reference */ 195 196 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 197 "Destination is not a ReferenceObj [%p]\n", DestDesc)); 198 199 DUMP_STACK_ENTRY (SourceDesc); 200 DUMP_STACK_ENTRY (DestDesc); 201 DUMP_OPERANDS (&DestDesc, IMODE_EXECUTE, "ExStore", 202 2, "Target is not a ReferenceObj"); 203 204 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 205 } 206 207 /* 208 * Examine the Reference opcode. These cases are handled: 209 * 210 * 1) Store to Name (Change the object associated with a name) 211 * 2) Store to an indexed area of a Buffer or Package 212 * 3) Store to a Method Local or Arg 213 * 4) Store to the debug object 214 * 5) Store to a constant -- a noop 215 */ 216 switch (RefDesc->Reference.Opcode) 217 { 218 case AML_NAME_OP: 219 220 /* Storing an object into a Name "container" */ 221 222 Status = AcpiExStoreObjectToNode (SourceDesc, RefDesc->Reference.Object, 223 WalkState); 224 break; 225 226 227 case AML_INDEX_OP: 228 229 /* Storing to an Index (pointer into a packager or buffer) */ 230 231 Status = AcpiExStoreObjectToIndex (SourceDesc, RefDesc, WalkState); 232 break; 233 234 235 case AML_LOCAL_OP: 236 case AML_ARG_OP: 237 238 /* Store to a method local/arg */ 239 240 Status = AcpiDsStoreObjectToLocal (RefDesc->Reference.Opcode, 241 RefDesc->Reference.Offset, SourceDesc, WalkState); 242 break; 243 244 245 case AML_DEBUG_OP: 246 247 /* 248 * Storing to the Debug object causes the value stored to be 249 * displayed and otherwise has no effect -- see ACPI Specification 250 */ 251 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "**** Write to Debug Object: ****:\n\n")); 252 253 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %s: ", 254 AcpiUtGetTypeName (SourceDesc->Common.Type))); 255 256 switch (SourceDesc->Common.Type) 257 { 258 case ACPI_TYPE_INTEGER: 259 260 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%X (%d)\n", 261 (UINT32) SourceDesc->Integer.Value, (UINT32) SourceDesc->Integer.Value)); 262 break; 263 264 265 case ACPI_TYPE_BUFFER: 266 267 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "Length 0x%X\n", 268 (UINT32) SourceDesc->Buffer.Length)); 269 break; 270 271 272 case ACPI_TYPE_STRING: 273 274 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s\n", SourceDesc->String.Pointer)); 275 break; 276 277 278 case ACPI_TYPE_PACKAGE: 279 280 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "Elements - 0x%X\n", 281 (UINT32) SourceDesc->Package.Elements)); 282 break; 283 284 285 default: 286 287 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "@0x%p\n", SourceDesc)); 288 break; 289 } 290 291 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, "\n")); 292 break; 293 294 295 case AML_ZERO_OP: 296 case AML_ONE_OP: 297 case AML_ONES_OP: 298 case AML_REVISION_OP: 299 300 /* 301 * Storing to a constant is a no-op according to the ACPI 302 * Specification. (Delete the reference descriptor, however.) 303 */ 304 break; 305 306 307 default: 308 309 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Reference subtype %02x\n", 310 RefDesc->Reference.Opcode)); 311 DUMP_ENTRY (RefDesc, ACPI_LV_ERROR); 312 313 Status = AE_AML_INTERNAL; 314 break; 315 316 } /* switch (RefDesc->Reference.Opcode) */ 317 318 return_ACPI_STATUS (Status); 319} 320 321 322/******************************************************************************* 323 * 324 * FUNCTION: AcpiExStoreObjectToIndex 325 * 326 * PARAMETERS: *SourceDesc - Value to be stored 327 * *DestDesc - Named object to receive the value 328 * WalkState - Current walk state 329 * 330 * RETURN: Status 331 * 332 * DESCRIPTION: Store the object to indexed Buffer or Package element 333 * 334 ******************************************************************************/ 335 336ACPI_STATUS 337AcpiExStoreObjectToIndex ( 338 ACPI_OPERAND_OBJECT *SourceDesc, 339 ACPI_OPERAND_OBJECT *DestDesc, 340 ACPI_WALK_STATE *WalkState) 341{ 342 ACPI_STATUS Status = AE_OK; 343 ACPI_OPERAND_OBJECT *ObjDesc; 344 UINT8 Value = 0; 345 346 347 FUNCTION_TRACE ("ExStoreObjectToIndex"); 348 349 350 /* 351 * Destination must be a reference pointer, and 352 * must point to either a buffer or a package 353 */ 354 switch (DestDesc->Reference.TargetType) 355 { 356 case ACPI_TYPE_PACKAGE: 357 /* 358 * Storing to a package element is not simple. The source must be 359 * evaluated and converted to the type of the destination and then the 360 * source is copied into the destination - we can't just point to the 361 * source object. 362 */ 363 if (DestDesc->Reference.TargetType == ACPI_TYPE_PACKAGE) 364 { 365 /* 366 * The object at *(DestDesc->Reference.Where) is the 367 * element within the package that is to be modified. 368 */ 369 ObjDesc = *(DestDesc->Reference.Where); 370 if (ObjDesc) 371 { 372 /* 373 * If the Destination element is a package, we will delete 374 * that object and construct a new one. 375 * 376 * TBD: [Investigate] Should both the src and dest be required 377 * to be packages? 378 * && (SourceDesc->Common.Type == ACPI_TYPE_PACKAGE) 379 */ 380 if (ObjDesc->Common.Type == ACPI_TYPE_PACKAGE) 381 { 382 /* Take away the reference for being part of a package */ 383 384 AcpiUtRemoveReference (ObjDesc); 385 ObjDesc = NULL; 386 } 387 } 388 389 if (!ObjDesc) 390 { 391 /* 392 * If the ObjDesc is NULL, it means that an uninitialized 393 * package element has been used as a destination (this is OK), 394 * therefore, we must create the destination element to match 395 * the type of the source element NOTE: SourceDesc can be of 396 * any type. 397 */ 398 ObjDesc = AcpiUtCreateInternalObject (SourceDesc->Common.Type); 399 if (!ObjDesc) 400 { 401 return_ACPI_STATUS (AE_NO_MEMORY); 402 } 403 404 /* 405 * If the source is a package, copy the source to the new dest 406 */ 407 if (ACPI_TYPE_PACKAGE == ObjDesc->Common.Type) 408 { 409 Status = AcpiUtCopyIpackageToIpackage (SourceDesc, ObjDesc, 410 WalkState); 411 if (ACPI_FAILURE (Status)) 412 { 413 AcpiUtRemoveReference (ObjDesc); 414 return_ACPI_STATUS (Status); 415 } 416 } 417 418 /* Install the new descriptor into the package */ 419 420 *(DestDesc->Reference.Where) = ObjDesc; 421 } 422 423 if (ACPI_TYPE_PACKAGE != ObjDesc->Common.Type) 424 { 425 /* 426 * The destination element is not a package, so we need to 427 * convert the contents of the source (SourceDesc) and copy into 428 * the destination (ObjDesc) 429 */ 430 Status = AcpiExStoreObjectToObject (SourceDesc, ObjDesc, 431 WalkState); 432 if (ACPI_FAILURE (Status)) 433 { 434 /* 435 * An error occurrered when copying the internal object 436 * so delete the reference. 437 */ 438 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 439 "Unable to copy the internal object\n")); 440 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 441 } 442 } 443 } 444 break; 445 446 447 case ACPI_TYPE_BUFFER_FIELD: 448 449 /* 450 * Store into a Buffer (not actually a real BufferField) at a 451 * location defined by an Index. 452 * 453 * The first 8-bit element of the source object is written to the 454 * 8-bit Buffer location defined by the Index destination object, 455 * according to the ACPI 2.0 specification. 456 */ 457 458 /* 459 * Make sure the target is a Buffer 460 */ 461 ObjDesc = DestDesc->Reference.Object; 462 if (ObjDesc->Common.Type != ACPI_TYPE_BUFFER) 463 { 464 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 465 } 466 467 /* 468 * The assignment of the individual elements will be slightly 469 * different for each source type. 470 */ 471 switch (SourceDesc->Common.Type) 472 { 473 case ACPI_TYPE_INTEGER: 474 475 /* Use the least-significant byte of the integer */ 476 477 Value = (UINT8) (SourceDesc->Integer.Value); 478 break; 479 480 case ACPI_TYPE_BUFFER: 481 482 Value = SourceDesc->Buffer.Pointer[0]; 483 break; 484 485 case ACPI_TYPE_STRING: 486 487 Value = SourceDesc->String.Pointer[0]; 488 break; 489 490 default: 491 492 /* All other types are invalid */ 493 494 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 495 "Source must be Integer/Buffer/String type, not %s\n", 496 AcpiUtGetTypeName (SourceDesc->Common.Type))); 497 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 498 break; 499 } 500 501 /* Store the source value into the target buffer byte */ 502 503 ObjDesc->Buffer.Pointer[DestDesc->Reference.Offset] = Value; 504 break; 505 506 507 default: 508 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 509 "Target is not a Package or BufferField\n")); 510 Status = AE_AML_OPERAND_TYPE; 511 break; 512 } 513 514 return_ACPI_STATUS (Status); 515} 516 517 518/******************************************************************************* 519 * 520 * FUNCTION: AcpiExStoreObjectToNode 521 * 522 * PARAMETERS: SourceDesc - Value to be stored 523 * Node - Named object to receive the value 524 * WalkState - Current walk state 525 * 526 * RETURN: Status 527 * 528 * DESCRIPTION: Store the object to the named object. 529 * 530 * The Assignment of an object to a named object is handled here 531 * The value passed in will replace the current value (if any) 532 * with the input value. 533 * 534 * When storing into an object the data is converted to the 535 * target object type then stored in the object. This means 536 * that the target object type (for an initialized target) will 537 * not be changed by a store operation. 538 * 539 * Assumes parameters are already validated. 540 * 541 ******************************************************************************/ 542 543ACPI_STATUS 544AcpiExStoreObjectToNode ( 545 ACPI_OPERAND_OBJECT *SourceDesc, 546 ACPI_NAMESPACE_NODE *Node, 547 ACPI_WALK_STATE *WalkState) 548{ 549 ACPI_STATUS Status = AE_OK; 550 ACPI_OPERAND_OBJECT *TargetDesc; 551 ACPI_OBJECT_TYPE8 TargetType = ACPI_TYPE_ANY; 552 553 554 FUNCTION_TRACE ("ExStoreObjectToNode"); 555 556 557 /* 558 * Get current type of the node, and object attached to Node 559 */ 560 TargetType = AcpiNsGetType (Node); 561 TargetDesc = AcpiNsGetAttachedObject (Node); 562 563 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Storing %p(%s) into node %p(%s)\n", 564 Node, AcpiUtGetTypeName (SourceDesc->Common.Type), 565 SourceDesc, AcpiUtGetTypeName (TargetType))); 566 567 /* 568 * Resolve the source object to an actual value 569 * (If it is a reference object) 570 */ 571 Status = AcpiExResolveObject (&SourceDesc, TargetType, WalkState); 572 if (ACPI_FAILURE (Status)) 573 { 574 return_ACPI_STATUS (Status); 575 } 576 577 /* 578 * Do the actual store operation 579 */ 580 switch (TargetType) 581 { 582 case ACPI_TYPE_BUFFER_FIELD: 583 case INTERNAL_TYPE_REGION_FIELD: 584 case INTERNAL_TYPE_BANK_FIELD: 585 case INTERNAL_TYPE_INDEX_FIELD: 586 587 /* 588 * For fields, copy the source data to the target field. 589 */ 590 Status = AcpiExWriteDataToField (SourceDesc, TargetDesc); 591 break; 592 593 594 case ACPI_TYPE_INTEGER: 595 case ACPI_TYPE_STRING: 596 case ACPI_TYPE_BUFFER: 597 598 /* 599 * These target types are all of type Integer/String/Buffer, and 600 * therefore support implicit conversion before the store. 601 * 602 * Copy and/or convert the source object to a new target object 603 */ 604 Status = AcpiExStoreObject (SourceDesc, TargetType, &TargetDesc, 605 WalkState); 606 if (ACPI_FAILURE (Status)) 607 { 608 return_ACPI_STATUS (Status); 609 } 610 611 /* 612 * Store the new TargetDesc as the new value of the Name, and set 613 * the Name's type to that of the value being stored in it. 614 * SourceDesc reference count is incremented by AttachObject. 615 */ 616 Status = AcpiNsAttachObject (Node, TargetDesc, TargetType); 617 618 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 619 "Store %s into %s via Convert/Attach\n", 620 AcpiUtGetTypeName (TargetDesc->Common.Type), 621 AcpiUtGetTypeName (TargetType))); 622 break; 623 624 625 default: 626 627 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 628 "Storing %s (%p) directly into node (%p), no implicit conversion\n", 629 AcpiUtGetTypeName (SourceDesc->Common.Type), SourceDesc, Node)); 630 631 /* No conversions for all other types. Just attach the source object */ 632 633 Status = AcpiNsAttachObject (Node, SourceDesc, SourceDesc->Common.Type); 634 break; 635 } 636 637 return_ACPI_STATUS (Status); 638} 639 640 641/******************************************************************************* 642 * 643 * FUNCTION: AcpiExStoreObjectToObject 644 * 645 * PARAMETERS: SourceDesc - Value to be stored 646 * DestDesc - Object to receive the value 647 * WalkState - Current walk state 648 * 649 * RETURN: Status 650 * 651 * DESCRIPTION: Store an object to another object. 652 * 653 * The Assignment of an object to another (not named) object 654 * is handled here. 655 * The val passed in will replace the current value (if any) 656 * with the input value. 657 * 658 * When storing into an object the data is converted to the 659 * target object type then stored in the object. This means 660 * that the target object type (for an initialized target) will 661 * not be changed by a store operation. 662 * 663 * This module allows destination types of Number, String, 664 * and Buffer. 665 * 666 * Assumes parameters are already validated. 667 * 668 ******************************************************************************/ 669 670ACPI_STATUS 671AcpiExStoreObjectToObject ( 672 ACPI_OPERAND_OBJECT *SourceDesc, 673 ACPI_OPERAND_OBJECT *DestDesc, 674 ACPI_WALK_STATE *WalkState) 675{ 676 ACPI_STATUS Status = AE_OK; 677 ACPI_OBJECT_TYPE8 DestinationType = DestDesc->Common.Type; 678 679 680 FUNCTION_TRACE ("ExStoreObjectToObject"); 681 682 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Storing %p(%s) to %p(%s)\n", 683 SourceDesc, AcpiUtGetTypeName (SourceDesc->Common.Type), 684 DestDesc, AcpiUtGetTypeName (DestDesc->Common.Type))); 685 686 687 /* 688 * From this interface, we only support Integers/Strings/Buffers 689 */ 690 switch (DestinationType) 691 { 692 case ACPI_TYPE_INTEGER: 693 case ACPI_TYPE_STRING: 694 case ACPI_TYPE_BUFFER: 695 break; 696 697 default: 698 ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Store into %s not implemented\n", 699 AcpiUtGetTypeName (DestDesc->Common.Type))); 700 701 return_ACPI_STATUS (AE_NOT_IMPLEMENTED); 702 } 703 704 /* 705 * Resolve the source object to an actual value 706 * (If it is a reference object) 707 */ 708 Status = AcpiExResolveObject (&SourceDesc, DestinationType, WalkState); 709 if (ACPI_FAILURE (Status)) 710 { 711 return_ACPI_STATUS (Status); 712 } 713 714 /* 715 * Copy and/or convert the source object to the destination object 716 */ 717 Status = AcpiExStoreObject (SourceDesc, DestinationType, &DestDesc, 718 WalkState); 719 return_ACPI_STATUS (Status); 720} 721 722