exstore.c revision 138287
1130803Smarcel 2130803Smarcel/****************************************************************************** 3130803Smarcel * 4130803Smarcel * Module Name: exstore - AML Interpreter object store support 5130803Smarcel * $Revision: 186 $ 6130803Smarcel * 7130803Smarcel *****************************************************************************/ 8130803Smarcel 9130803Smarcel/****************************************************************************** 10130803Smarcel * 11130803Smarcel * 1. Copyright Notice 12130803Smarcel * 13130803Smarcel * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp. 14130803Smarcel * All rights reserved. 15130803Smarcel * 16130803Smarcel * 2. License 17130803Smarcel * 18130803Smarcel * 2.1. This is your license from Intel Corp. under its intellectual property 19130803Smarcel * rights. You may have additional license terms from the party that provided 20130803Smarcel * you this software, covering your right to use that party's intellectual 21130803Smarcel * property rights. 22130803Smarcel * 23130803Smarcel * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 24130803Smarcel * copy of the source code appearing in this file ("Covered Code") an 25130803Smarcel * irrevocable, perpetual, worldwide license under Intel's copyrights in the 26130803Smarcel * base code distributed originally by Intel ("Original Intel Code") to copy, 27130803Smarcel * make derivatives, distribute, use and display any portion of the Covered 28130803Smarcel * Code in any form, with the right to sublicense such rights; and 29130803Smarcel * 30130803Smarcel * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 31130803Smarcel * license (with the right to sublicense), under only those claims of Intel 32130803Smarcel * patents that are infringed by the Original Intel Code, to make, use, sell, 33130803Smarcel * offer to sell, and import the Covered Code and derivative works thereof 34130803Smarcel * solely to the minimum extent necessary to exercise the above copyright 35130803Smarcel * license, and in no event shall the patent license extend to any additions 36130803Smarcel * to or modifications of the Original Intel Code. No other license or right 37130803Smarcel * is granted directly or by implication, estoppel or otherwise; 38130803Smarcel * 39130803Smarcel * The above copyright and patent license is granted only if the following 40130803Smarcel * conditions are met: 41130803Smarcel * 42130803Smarcel * 3. Conditions 43130803Smarcel * 44130803Smarcel * 3.1. Redistribution of Source with Rights to Further Distribute Source. 45130803Smarcel * Redistribution of source code of any substantial portion of the Covered 46130803Smarcel * Code or modification with rights to further distribute source must include 47130803Smarcel * the above Copyright Notice, the above License, this list of Conditions, 48130803Smarcel * and the following Disclaimer and Export Compliance provision. In addition, 49130803Smarcel * Licensee must cause all Covered Code to which Licensee contributes to 50130803Smarcel * contain a file documenting the changes Licensee made to create that Covered 51130803Smarcel * Code and the date of any change. Licensee must include in that file the 52130803Smarcel * documentation of any changes made by any predecessor Licensee. Licensee 53130803Smarcel * must include a prominent statement that the modification is derived, 54130803Smarcel * directly or indirectly, from Original Intel Code. 55130803Smarcel * 56130803Smarcel * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 57130803Smarcel * Redistribution of source code of any substantial portion of the Covered 58130803Smarcel * Code or modification without rights to further distribute source must 59130803Smarcel * include the following Disclaimer and Export Compliance provision in the 60130803Smarcel * 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 "acdispat.h" 122#include "acinterp.h" 123#include "amlcode.h" 124#include "acnamesp.h" 125 126 127#define _COMPONENT ACPI_EXECUTER 128 ACPI_MODULE_NAME ("exstore") 129 130 131/******************************************************************************* 132 * 133 * FUNCTION: AcpiExStore 134 * 135 * PARAMETERS: *SourceDesc - Value to be stored 136 * *DestDesc - Where to store it. Must be an NS node 137 * or an ACPI_OPERAND_OBJECT of type 138 * Reference; 139 * WalkState - Current walk state 140 * 141 * RETURN: Status 142 * 143 * DESCRIPTION: Store the value described by SourceDesc into the location 144 * described by DestDesc. Called by various interpreter 145 * functions to store the result of an operation into 146 * the destination operand -- not just simply the actual "Store" 147 * ASL operator. 148 * 149 ******************************************************************************/ 150 151ACPI_STATUS 152AcpiExStore ( 153 ACPI_OPERAND_OBJECT *SourceDesc, 154 ACPI_OPERAND_OBJECT *DestDesc, 155 ACPI_WALK_STATE *WalkState) 156{ 157 ACPI_STATUS Status = AE_OK; 158 ACPI_OPERAND_OBJECT *RefDesc = DestDesc; 159 160 161 ACPI_FUNCTION_TRACE_PTR ("ExStore", DestDesc); 162 163 164 /* Validate parameters */ 165 166 if (!SourceDesc || !DestDesc) 167 { 168 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null parameter\n")); 169 return_ACPI_STATUS (AE_AML_NO_OPERAND); 170 } 171 172 /* DestDesc can be either a namespace node or an ACPI object */ 173 174 if (ACPI_GET_DESCRIPTOR_TYPE (DestDesc) == ACPI_DESC_TYPE_NAMED) 175 { 176 /* 177 * Dest is a namespace node, 178 * Storing an object into a Named node. 179 */ 180 Status = AcpiExStoreObjectToNode (SourceDesc, 181 (ACPI_NAMESPACE_NODE *) DestDesc, WalkState, 182 ACPI_IMPLICIT_CONVERSION); 183 184 return_ACPI_STATUS (Status); 185 } 186 187 /* Destination object must be a Reference or a Constant object */ 188 189 switch (ACPI_GET_OBJECT_TYPE (DestDesc)) 190 { 191 case ACPI_TYPE_LOCAL_REFERENCE: 192 break; 193 194 case ACPI_TYPE_INTEGER: 195 196 /* Allow stores to Constants -- a Noop as per ACPI spec */ 197 198 if (DestDesc->Common.Flags & AOPOBJ_AML_CONSTANT) 199 { 200 return_ACPI_STATUS (AE_OK); 201 } 202 203 /*lint -fallthrough */ 204 205 default: 206 207 /* Destination is not a Reference object */ 208 209 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 210 "Target is not a Reference or Constant object - %s [%p]\n", 211 AcpiUtGetObjectTypeName (DestDesc), DestDesc)); 212 213 ACPI_DUMP_STACK_ENTRY (SourceDesc); 214 ACPI_DUMP_STACK_ENTRY (DestDesc); 215 ACPI_DUMP_OPERANDS (&DestDesc, ACPI_IMODE_EXECUTE, "ExStore", 216 2, "Target is not a Reference or Constant object"); 217 218 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 219 } 220 221 /* 222 * Examine the Reference opcode. These cases are handled: 223 * 224 * 1) Store to Name (Change the object associated with a name) 225 * 2) Store to an indexed area of a Buffer or Package 226 * 3) Store to a Method Local or Arg 227 * 4) Store to the debug object 228 */ 229 switch (RefDesc->Reference.Opcode) 230 { 231 case AML_NAME_OP: 232 case AML_REF_OF_OP: 233 234 /* Storing an object into a Name "container" */ 235 236 Status = AcpiExStoreObjectToNode (SourceDesc, RefDesc->Reference.Object, 237 WalkState, ACPI_IMPLICIT_CONVERSION); 238 break; 239 240 241 case AML_INDEX_OP: 242 243 /* Storing to an Index (pointer into a packager or buffer) */ 244 245 Status = AcpiExStoreObjectToIndex (SourceDesc, RefDesc, WalkState); 246 break; 247 248 249 case AML_LOCAL_OP: 250 case AML_ARG_OP: 251 252 /* Store to a method local/arg */ 253 254 Status = AcpiDsStoreObjectToLocal (RefDesc->Reference.Opcode, 255 RefDesc->Reference.Offset, SourceDesc, WalkState); 256 break; 257 258 259 case AML_DEBUG_OP: 260 261 /* 262 * Storing to the Debug object causes the value stored to be 263 * displayed and otherwise has no effect -- see ACPI Specification 264 */ 265 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 266 "**** Write to Debug Object: Object %p %s ****:\n\n", 267 SourceDesc, AcpiUtGetObjectTypeName (SourceDesc))); 268 269 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %s: ", 270 AcpiUtGetObjectTypeName (SourceDesc))); 271 272 if (!AcpiUtValidInternalObject (SourceDesc)) 273 { 274 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, 275 "%p, Invalid Internal Object!\n", SourceDesc)); 276 break; 277 } 278 279 switch (ACPI_GET_OBJECT_TYPE (SourceDesc)) 280 { 281 case ACPI_TYPE_INTEGER: 282 283 if (AcpiGbl_IntegerByteWidth == 4) 284 { 285 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n", 286 (UINT32) SourceDesc->Integer.Value)); 287 } 288 else 289 { 290 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n", 291 ACPI_FORMAT_UINT64 (SourceDesc->Integer.Value))); 292 } 293 break; 294 295 296 case ACPI_TYPE_BUFFER: 297 298 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]", 299 (UINT32) SourceDesc->Buffer.Length)); 300 ACPI_DUMP_BUFFER (SourceDesc->Buffer.Pointer, 301 (SourceDesc->Buffer.Length < 32) ? SourceDesc->Buffer.Length : 32); 302 break; 303 304 305 case ACPI_TYPE_STRING: 306 307 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n", 308 SourceDesc->String.Length, SourceDesc->String.Pointer)); 309 break; 310 311 312 case ACPI_TYPE_PACKAGE: 313 314 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] Elements Ptr - %p\n", 315 SourceDesc->Package.Count, SourceDesc->Package.Elements)); 316 break; 317 318 319 default: 320 321 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p\n", 322 SourceDesc)); 323 break; 324 } 325 326 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n")); 327 break; 328 329 330 default: 331 332 ACPI_REPORT_ERROR (("ExStore: Unknown Reference opcode %X\n", 333 RefDesc->Reference.Opcode)); 334 ACPI_DUMP_ENTRY (RefDesc, ACPI_LV_ERROR); 335 336 Status = AE_AML_INTERNAL; 337 break; 338 } 339 340 return_ACPI_STATUS (Status); 341} 342 343 344/******************************************************************************* 345 * 346 * FUNCTION: AcpiExStoreObjectToIndex 347 * 348 * PARAMETERS: *SourceDesc - Value to be stored 349 * *DestDesc - Named object to receive the value 350 * WalkState - Current walk state 351 * 352 * RETURN: Status 353 * 354 * DESCRIPTION: Store the object to indexed Buffer or Package element 355 * 356 ******************************************************************************/ 357 358ACPI_STATUS 359AcpiExStoreObjectToIndex ( 360 ACPI_OPERAND_OBJECT *SourceDesc, 361 ACPI_OPERAND_OBJECT *IndexDesc, 362 ACPI_WALK_STATE *WalkState) 363{ 364 ACPI_STATUS Status = AE_OK; 365 ACPI_OPERAND_OBJECT *ObjDesc; 366 ACPI_OPERAND_OBJECT *NewDesc; 367 UINT8 Value = 0; 368 UINT32 i; 369 370 371 ACPI_FUNCTION_TRACE ("ExStoreObjectToIndex"); 372 373 374 /* 375 * Destination must be a reference pointer, and 376 * must point to either a buffer or a package 377 */ 378 switch (IndexDesc->Reference.TargetType) 379 { 380 case ACPI_TYPE_PACKAGE: 381 /* 382 * Storing to a package element. Copy the object and replace 383 * any existing object with the new object. No implicit 384 * conversion is performed. 385 * 386 * The object at *(IndexDesc->Reference.Where) is the 387 * element within the package that is to be modified. 388 * The parent package object is at IndexDesc->Reference.Object 389 */ 390 ObjDesc = *(IndexDesc->Reference.Where); 391 392 Status = AcpiUtCopyIobjectToIobject (SourceDesc, &NewDesc, WalkState); 393 if (ACPI_FAILURE (Status)) 394 { 395 return_ACPI_STATUS (Status); 396 } 397 398 if (ObjDesc) 399 { 400 /* Decrement reference count by the ref count of the parent package */ 401 402 for (i = 0; i < ((ACPI_OPERAND_OBJECT *) IndexDesc->Reference.Object)->Common.ReferenceCount; i++) 403 { 404 AcpiUtRemoveReference (ObjDesc); 405 } 406 } 407 408 *(IndexDesc->Reference.Where) = NewDesc; 409 410 /* Increment reference count by the ref count of the parent package -1 */ 411 412 for (i = 1; i < ((ACPI_OPERAND_OBJECT *) IndexDesc->Reference.Object)->Common.ReferenceCount; i++) 413 { 414 AcpiUtAddReference (NewDesc); 415 } 416 417 break; 418 419 420 case ACPI_TYPE_BUFFER_FIELD: 421 422 /* 423 * Store into a Buffer or String (not actually a real BufferField) 424 * at a location defined by an Index. 425 * 426 * The first 8-bit element of the source object is written to the 427 * 8-bit Buffer location defined by the Index destination object, 428 * according to the ACPI 2.0 specification. 429 */ 430 431 /* 432 * Make sure the target is a Buffer or String. An error should 433 * not happen here, since the ReferenceObject was constructed 434 * by the INDEX_OP code. 435 */ 436 ObjDesc = IndexDesc->Reference.Object; 437 if ((ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_BUFFER) && 438 (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_STRING)) 439 { 440 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 441 } 442 443 /* 444 * The assignment of the individual elements will be slightly 445 * different for each source type. 446 */ 447 switch (ACPI_GET_OBJECT_TYPE (SourceDesc)) 448 { 449 case ACPI_TYPE_INTEGER: 450 451 /* Use the least-significant byte of the integer */ 452 453 Value = (UINT8) (SourceDesc->Integer.Value); 454 break; 455 456 case ACPI_TYPE_BUFFER: 457 case ACPI_TYPE_STRING: 458 459 /* Note: Takes advantage of common string/buffer fields */ 460 461 Value = SourceDesc->Buffer.Pointer[0]; 462 break; 463 464 default: 465 466 /* All other types are invalid */ 467 468 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 469 "Source must be Integer/Buffer/String type, not %s\n", 470 AcpiUtGetObjectTypeName (SourceDesc))); 471 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 472 } 473 474 /* Store the source value into the target buffer byte */ 475 476 ObjDesc->Buffer.Pointer[IndexDesc->Reference.Offset] = Value; 477 break; 478 479 480 default: 481 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 482 "Target is not a Package or BufferField\n")); 483 Status = AE_AML_OPERAND_TYPE; 484 break; 485 } 486 487 return_ACPI_STATUS (Status); 488} 489 490 491/******************************************************************************* 492 * 493 * FUNCTION: AcpiExStoreObjectToNode 494 * 495 * PARAMETERS: SourceDesc - Value to be stored 496 * Node - Named object to receive the value 497 * WalkState - Current walk state 498 * ImplicitConversion - Perform implicit conversion (yes/no) 499 * 500 * RETURN: Status 501 * 502 * DESCRIPTION: Store the object to the named object. 503 * 504 * The Assignment of an object to a named object is handled here 505 * The value passed in will replace the current value (if any) 506 * with the input value. 507 * 508 * When storing into an object the data is converted to the 509 * target object type then stored in the object. This means 510 * that the target object type (for an initialized target) will 511 * not be changed by a store operation. 512 * 513 * Assumes parameters are already validated. 514 * 515 ******************************************************************************/ 516 517ACPI_STATUS 518AcpiExStoreObjectToNode ( 519 ACPI_OPERAND_OBJECT *SourceDesc, 520 ACPI_NAMESPACE_NODE *Node, 521 ACPI_WALK_STATE *WalkState, 522 UINT8 ImplicitConversion) 523{ 524 ACPI_STATUS Status = AE_OK; 525 ACPI_OPERAND_OBJECT *TargetDesc; 526 ACPI_OPERAND_OBJECT *NewDesc; 527 ACPI_OBJECT_TYPE TargetType; 528 529 530 ACPI_FUNCTION_TRACE_PTR ("ExStoreObjectToNode", SourceDesc); 531 532 533 /* 534 * Get current type of the node, and object attached to Node 535 */ 536 TargetType = AcpiNsGetType (Node); 537 TargetDesc = AcpiNsGetAttachedObject (Node); 538 539 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Storing %p(%s) into node %p(%s)\n", 540 SourceDesc, AcpiUtGetObjectTypeName (SourceDesc), 541 Node, AcpiUtGetTypeName (TargetType))); 542 543 /* 544 * Resolve the source object to an actual value 545 * (If it is a reference object) 546 */ 547 Status = AcpiExResolveObject (&SourceDesc, TargetType, WalkState); 548 if (ACPI_FAILURE (Status)) 549 { 550 return_ACPI_STATUS (Status); 551 } 552 553 /* If no implicit conversion, drop into the default case below */ 554 555 if (!ImplicitConversion) 556 { 557 /* Force execution of default (no implicit conversion) */ 558 559 TargetType = ACPI_TYPE_ANY; 560 } 561 562 /* 563 * Do the actual store operation 564 */ 565 switch (TargetType) 566 { 567 case ACPI_TYPE_BUFFER_FIELD: 568 case ACPI_TYPE_LOCAL_REGION_FIELD: 569 case ACPI_TYPE_LOCAL_BANK_FIELD: 570 case ACPI_TYPE_LOCAL_INDEX_FIELD: 571 572 /* 573 * For fields, copy the source data to the target field. 574 */ 575 Status = AcpiExWriteDataToField (SourceDesc, TargetDesc, &WalkState->ResultObj); 576 break; 577 578 579 case ACPI_TYPE_INTEGER: 580 case ACPI_TYPE_STRING: 581 case ACPI_TYPE_BUFFER: 582 583 /* 584 * These target types are all of type Integer/String/Buffer, and 585 * therefore support implicit conversion before the store. 586 * 587 * Copy and/or convert the source object to a new target object 588 */ 589 Status = AcpiExStoreObjectToObject (SourceDesc, TargetDesc, &NewDesc, WalkState); 590 if (ACPI_FAILURE (Status)) 591 { 592 return_ACPI_STATUS (Status); 593 } 594 595 if (NewDesc != TargetDesc) 596 { 597 /* 598 * Store the new NewDesc as the new value of the Name, and set 599 * the Name's type to that of the value being stored in it. 600 * SourceDesc reference count is incremented by AttachObject. 601 * 602 * Note: This may change the type of the node if an explicit store 603 * has been performed such that the node/object type has been 604 * changed. 605 */ 606 Status = AcpiNsAttachObject (Node, NewDesc, NewDesc->Common.Type); 607 608 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 609 "Store %s into %s via Convert/Attach\n", 610 AcpiUtGetObjectTypeName (SourceDesc), 611 AcpiUtGetObjectTypeName (NewDesc))); 612 } 613 break; 614 615 616 default: 617 618 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 619 "Storing %s (%p) directly into node (%p), no implicit conversion\n", 620 AcpiUtGetObjectTypeName (SourceDesc), SourceDesc, Node)); 621 622 /* No conversions for all other types. Just attach the source object */ 623 624 Status = AcpiNsAttachObject (Node, SourceDesc, ACPI_GET_OBJECT_TYPE (SourceDesc)); 625 break; 626 } 627 628 return_ACPI_STATUS (Status); 629} 630 631 632