drivers/acpi/executer/exstore.c

   1
   2 /******************************************************************************
   3  *
   4  * Module Name: exstore - AML Interpreter object store support
   5  *
   6  *****************************************************************************/
   7
   8 /*
   9  * Copyright (C) 2000 - 2005, R. Byron Moore
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions, and the following disclaimer,
  17  *    without modification.
  18  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  19  *    substantially similar to the "NO WARRANTY" disclaimer below
  20  *    ("Disclaimer") and any redistribution must be conditioned upon
  21  *    including a substantially similar Disclaimer requirement for further
  22  *    binary redistribution.
  23  * 3. Neither the names of the above-listed copyright holders nor the names
  24  *    of any contributors may be used to endorse or promote products derived
  25  *    from this software without specific prior written permission.
  26  *
  27  * Alternatively, this software may be distributed under the terms of the
  28  * GNU General Public License ("GPL") version 2 as published by the Free
  29  * Software Foundation.
  30  *
  31  * NO WARRANTY
  32  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  33  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  34  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  35  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  36  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  40  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  41  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  42  * POSSIBILITY OF SUCH DAMAGES.
  43  */
  44
  45
  46 #include <acpi/acpi.h>
  47 #include <acpi/acdispat.h>
  48 #include <acpi/acinterp.h>
  49 #include <acpi/amlcode.h>
  50 #include <acpi/acnamesp.h>
  51 #include <acpi/acparser.h>
  52
  53
  54 #define _COMPONENT          ACPI_EXECUTER
  55          ACPI_MODULE_NAME    ("exstore")
  56
  57 /* Local prototypes */
  58
  59 static void
  60 acpi_ex_do_debug_object (
  61         union acpi_operand_object       *source_desc,
  62         u32                             level,
  63         u32                             index);
  64
  65 static acpi_status
  66 acpi_ex_store_object_to_index (
  67         union acpi_operand_object       *val_desc,
  68         union acpi_operand_object       *dest_desc,
  69         struct acpi_walk_state          *walk_state);
  70
  71
  72 /*******************************************************************************
  73  *
  74  * FUNCTION:    acpi_ex_do_debug_object
  75  *
  76  * PARAMETERS:  source_desc         - Value to be stored
  77  *              Level               - Indentation level (used for packages)
  78  *              Index               - Current package element, zero if not pkg
  79  *
  80  * RETURN:      None
  81  *
  82  * DESCRIPTION: Handles stores to the Debug Object.
  83  *
  84  ******************************************************************************/
  85
  86 static void
  87 acpi_ex_do_debug_object (
  88         union acpi_operand_object       *source_desc,
  89         u32                             level,
  90         u32                             index)
  91 {
  92         u32                             i;
  93
  94
  95         ACPI_FUNCTION_TRACE_PTR ("ex_do_debug_object", source_desc);
  96
  97
  98         ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s",
  99                 level, " "));
 100
 101         /* Display index for package output only */
 102
 103         if (index > 0) {
 104            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
 105                    "(%.2u) ", index -1));
 106         }
 107
 108         if (!source_desc) {
 109                 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "<Null Object>\n"));
 110                 return_VOID;
 111         }
 112
 113         if (ACPI_GET_DESCRIPTOR_TYPE (source_desc) == ACPI_DESC_TYPE_OPERAND) {
 114                 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: ",
 115                         acpi_ut_get_object_type_name (source_desc)));
 116
 117                 if (!acpi_ut_valid_internal_object (source_desc)) {
 118                    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
 119                            "%p, Invalid Internal Object!\n", source_desc));
 120                    return_VOID;
 121                 }
 122         }
 123         else if (ACPI_GET_DESCRIPTOR_TYPE (source_desc) == ACPI_DESC_TYPE_NAMED) {
 124                 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: %p\n",
 125                         acpi_ut_get_type_name (((struct acpi_namespace_node *) source_desc)->type),
 126                         source_desc));
 127                 return_VOID;
 128         }
 129         else {
 130                 return_VOID;
 131         }
 132
 133         switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
 134         case ACPI_TYPE_INTEGER:
 135
 136                 /* Output correct integer width */
 137
 138                 if (acpi_gbl_integer_byte_width == 4) {
 139                         ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n",
 140                                 (u32) source_desc->integer.value));
 141                 }
 142                 else {
 143                         ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n",
 144                                 ACPI_FORMAT_UINT64 (source_desc->integer.value)));
 145                 }
 146                 break;
 147
 148         case ACPI_TYPE_BUFFER:
 149
 150                 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]",
 151                         (u32) source_desc->buffer.length));
 152                 ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
 153                         (source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
 154                 break;
 155
 156         case ACPI_TYPE_STRING:
 157
 158                 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n",
 159                         source_desc->string.length, source_desc->string.pointer));
 160                 break;
 161
 162         case ACPI_TYPE_PACKAGE:
 163
 164                 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X Elements]\n",
 165                         source_desc->package.count));
 166
 167                 /* Output the entire contents of the package */
 168
 169                 for (i = 0; i < source_desc->package.count; i++) {
 170                         acpi_ex_do_debug_object (source_desc->package.elements[i],
 171                                 level+4, i+1);
 172                 }
 173                 break;
 174
 175         case ACPI_TYPE_LOCAL_REFERENCE:
 176
 177                 if (source_desc->reference.opcode == AML_INDEX_OP) {
 178                         ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s, 0x%X]\n",
 179                                 acpi_ps_get_opcode_name (source_desc->reference.opcode),
 180                                 source_desc->reference.offset));
 181                 }
 182                 else {
 183                         ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s]\n",
 184                                 acpi_ps_get_opcode_name (source_desc->reference.opcode)));
 185                 }
 186
 187
 188                 if (source_desc->reference.object) {
 189                         if (ACPI_GET_DESCRIPTOR_TYPE (source_desc->reference.object) ==
 190                                         ACPI_DESC_TYPE_NAMED) {
 191                                 acpi_ex_do_debug_object (((struct acpi_namespace_node *)
 192                                         source_desc->reference.object)->object,
 193                                         level+4, 0);
 194                         }
 195                         else {
 196                                 acpi_ex_do_debug_object (source_desc->reference.object, level+4, 0);
 197                         }
 198                 }
 199                 else if (source_desc->reference.node) {
 200                         acpi_ex_do_debug_object ((source_desc->reference.node)->object,
 201                                 level+4, 0);
 202                 }
 203                 break;
 204
 205         default:
 206
 207                 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p %s\n",
 208                         source_desc, acpi_ut_get_object_type_name (source_desc)));
 209                 break;
 210         }
 211
 212         ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n"));
 213         return_VOID;
 214 }
 215
 216
 217 /*******************************************************************************
 218  *
 219  * FUNCTION:    acpi_ex_store
 220  *
 221  * PARAMETERS:  *source_desc        - Value to be stored
 222  *              *dest_desc          - Where to store it.  Must be an NS node
 223  *                                    or an union acpi_operand_object of type
 224  *                                    Reference;
 225  *              walk_state          - Current walk state
 226  *
 227  * RETURN:      Status
 228  *
 229  * DESCRIPTION: Store the value described by source_desc into the location
 230  *              described by dest_desc. Called by various interpreter
 231  *              functions to store the result of an operation into
 232  *              the destination operand -- not just simply the actual "Store"
 233  *              ASL operator.
 234  *
 235  ******************************************************************************/
 236
 237 acpi_status
 238 acpi_ex_store (
 239         union acpi_operand_object       *source_desc,
 240         union acpi_operand_object       *dest_desc,
 241         struct acpi_walk_state          *walk_state)
 242 {
 243         acpi_status                     status = AE_OK;
 244         union acpi_operand_object       *ref_desc = dest_desc;
 245
 246
 247         ACPI_FUNCTION_TRACE_PTR ("ex_store", dest_desc);
 248
 249
 250         /* Validate parameters */
 251
 252         if (!source_desc || !dest_desc) {
 253                 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null parameter\n"));
 254                 return_ACPI_STATUS (AE_AML_NO_OPERAND);
 255         }
 256
 257         /* dest_desc can be either a namespace node or an ACPI object */
 258
 259         if (ACPI_GET_DESCRIPTOR_TYPE (dest_desc) == ACPI_DESC_TYPE_NAMED) {
 260                 /*
 261                  * Dest is a namespace node,
 262                  * Storing an object into a Named node.
 263                  */
 264                 status = acpi_ex_store_object_to_node (source_desc,
 265                                  (struct acpi_namespace_node *) dest_desc, walk_state,
 266                                  ACPI_IMPLICIT_CONVERSION);
 267
 268                 return_ACPI_STATUS (status);
 269         }
 270
 271         /* Destination object must be a Reference or a Constant object */
 272
 273         switch (ACPI_GET_OBJECT_TYPE (dest_desc)) {
 274         case ACPI_TYPE_LOCAL_REFERENCE:
 275                 break;
 276
 277         case ACPI_TYPE_INTEGER:
 278
 279                 /* Allow stores to Constants -- a Noop as per ACPI spec */
 280
 281                 if (dest_desc->common.flags & AOPOBJ_AML_CONSTANT) {
 282                         return_ACPI_STATUS (AE_OK);
 283                 }
 284
 285                 /*lint -fallthrough */
 286
 287         default:
 288
 289                 /* Destination is not a Reference object */
 290
 291                 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
 292                         "Target is not a Reference or Constant object - %s [%p]\n",
 293                         acpi_ut_get_object_type_name (dest_desc), dest_desc));
 294
 295                 ACPI_DUMP_STACK_ENTRY (source_desc);
 296                 ACPI_DUMP_STACK_ENTRY (dest_desc);
 297                 ACPI_DUMP_OPERANDS (&dest_desc, ACPI_IMODE_EXECUTE, "ex_store",
 298                                   2, "Target is not a Reference or Constant object");
 299
 300                 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 301         }
 302
 303         /*
 304          * Examine the Reference opcode.  These cases are handled:
 305          *
 306          * 1) Store to Name (Change the object associated with a name)
 307          * 2) Store to an indexed area of a Buffer or Package
 308          * 3) Store to a Method Local or Arg
 309          * 4) Store to the debug object
 310          */
 311         switch (ref_desc->reference.opcode) {
 312         case AML_NAME_OP:
 313         case AML_REF_OF_OP:
 314
 315                 /* Storing an object into a Name "container" */
 316
 317                 status = acpi_ex_store_object_to_node (source_desc,
 318                                  ref_desc->reference.object,
 319                                  walk_state, ACPI_IMPLICIT_CONVERSION);
 320                 break;
 321
 322
 323         case AML_INDEX_OP:
 324
 325                 /* Storing to an Index (pointer into a packager or buffer) */
 326
 327                 status = acpi_ex_store_object_to_index (source_desc, ref_desc, walk_state);
 328                 break;
 329
 330
 331         case AML_LOCAL_OP:
 332         case AML_ARG_OP:
 333
 334                 /* Store to a method local/arg  */
 335
 336                 status = acpi_ds_store_object_to_local (ref_desc->reference.opcode,
 337                                  ref_desc->reference.offset, source_desc, walk_state);
 338                 break;
 339
 340
 341         case AML_DEBUG_OP:
 342
 343                 /*
 344                  * Storing to the Debug object causes the value stored to be
 345                  * displayed and otherwise has no effect -- see ACPI Specification
 346                  */
 347                 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 348                         "**** Write to Debug Object: Object %p %s ****:\n\n",
 349                         source_desc, acpi_ut_get_object_type_name (source_desc)));
 350
 351                 acpi_ex_do_debug_object (source_desc, 0, 0);
 352                 break;
 353
 354
 355         default:
 356
 357                 ACPI_REPORT_ERROR (("ex_store: Unknown Reference opcode %X\n",
 358                         ref_desc->reference.opcode));
 359                 ACPI_DUMP_ENTRY (ref_desc, ACPI_LV_ERROR);
 360
 361                 status = AE_AML_INTERNAL;
 362                 break;
 363         }
 364
 365         return_ACPI_STATUS (status);
 366 }
 367
 368
 369 /*******************************************************************************
 370  *
 371  * FUNCTION:    acpi_ex_store_object_to_index
 372  *
 373  * PARAMETERS:  *source_desc            - Value to be stored
 374  *              *dest_desc              - Named object to receive the value
 375  *              walk_state              - Current walk state
 376  *
 377  * RETURN:      Status
 378  *
 379  * DESCRIPTION: Store the object to indexed Buffer or Package element
 380  *
 381  ******************************************************************************/
 382
 383 static acpi_status
 384 acpi_ex_store_object_to_index (
 385         union acpi_operand_object       *source_desc,
 386         union acpi_operand_object       *index_desc,
 387         struct acpi_walk_state          *walk_state)
 388 {
 389         acpi_status                     status = AE_OK;
 390         union acpi_operand_object       *obj_desc;
 391         union acpi_operand_object       *new_desc;
 392         u8                              value = 0;
 393         u32                             i;
 394
 395
 396         ACPI_FUNCTION_TRACE ("ex_store_object_to_index");
 397
 398
 399         /*
 400          * Destination must be a reference pointer, and
 401          * must point to either a buffer or a package
 402          */
 403         switch (index_desc->reference.target_type) {
 404         case ACPI_TYPE_PACKAGE:
 405                 /*
 406                  * Storing to a package element. Copy the object and replace
 407                  * any existing object with the new object. No implicit
 408                  * conversion is performed.
 409                  *
 410                  * The object at *(index_desc->Reference.Where) is the
 411                  * element within the package that is to be modified.
 412                  * The parent package object is at index_desc->Reference.Object
 413                  */
 414                 obj_desc = *(index_desc->reference.where);
 415
 416                 status = acpi_ut_copy_iobject_to_iobject (source_desc, &new_desc, walk_state);
 417                 if (ACPI_FAILURE (status)) {
 418                         return_ACPI_STATUS (status);
 419                 }
 420
 421                 if (obj_desc) {
 422                         /* Decrement reference count by the ref count of the parent package */
 423
 424                         for (i = 0;
 425                                  i < ((union acpi_operand_object *)
 426                                                 index_desc->reference.object)->common.reference_count;
 427                                  i++) {
 428                                 acpi_ut_remove_reference (obj_desc);
 429                         }
 430                 }
 431
 432                 *(index_desc->reference.where) = new_desc;
 433
 434                 /* Increment ref count by the ref count of the parent package-1 */
 435
 436                 for (i = 1;
 437                          i < ((union acpi_operand_object *)
 438                                         index_desc->reference.object)->common.reference_count;
 439                          i++) {
 440                         acpi_ut_add_reference (new_desc);
 441                 }
 442
 443                 break;
 444
 445
 446         case ACPI_TYPE_BUFFER_FIELD:
 447
 448                 /*
 449                  * Store into a Buffer or String (not actually a real buffer_field)
 450                  * at a location defined by an Index.
 451                  *
 452                  * The first 8-bit element of the source object is written to the
 453                  * 8-bit Buffer location defined by the Index destination object,
 454                  * according to the ACPI 2.0 specification.
 455                  */
 456
 457                 /*
 458                  * Make sure the target is a Buffer or String. An error should
 459                  * not happen here, since the reference_object was constructed
 460                  * by the INDEX_OP code.
 461                  */
 462                 obj_desc = index_desc->reference.object;
 463                 if ((ACPI_GET_OBJECT_TYPE (obj_desc) != ACPI_TYPE_BUFFER) &&
 464                         (ACPI_GET_OBJECT_TYPE (obj_desc) != ACPI_TYPE_STRING)) {
 465                         return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 466                 }
 467
 468                 /*
 469                  * The assignment of the individual elements will be slightly
 470                  * different for each source type.
 471                  */
 472                 switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
 473                 case ACPI_TYPE_INTEGER:
 474
 475                         /* Use the least-significant byte of the integer */
 476
 477                         value = (u8) (source_desc->integer.value);
 478                         break;
 479
 480                 case ACPI_TYPE_BUFFER:
 481                 case ACPI_TYPE_STRING:
 482
 483                         /* Note: Takes advantage of common string/buffer fields */
 484
 485                         value = source_desc->buffer.pointer[0];
 486                         break;
 487
 488                 default:
 489
 490                         /* All other types are invalid */
 491
 492                         ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
 493                                 "Source must be Integer/Buffer/String type, not %s\n",
 494                                 acpi_ut_get_object_type_name (source_desc)));
 495                         return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
 496                 }
 497
 498                 /* Store the source value into the target buffer byte */
 499
 500                 obj_desc->buffer.pointer[index_desc->reference.offset] = value;
 501                 break;
 502
 503
 504         default:
 505                 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
 506                         "Target is not a Package or buffer_field\n"));
 507                 status = AE_AML_OPERAND_TYPE;
 508                 break;
 509         }
 510
 511         return_ACPI_STATUS (status);
 512 }
 513
 514
 515 /*******************************************************************************
 516  *
 517  * FUNCTION:    acpi_ex_store_object_to_node
 518  *
 519  * PARAMETERS:  source_desc             - Value to be stored
 520  *              Node                    - Named object to receive the value
 521  *              walk_state              - Current walk state
 522  *              implicit_conversion     - Perform implicit conversion (yes/no)
 523  *
 524  * RETURN:      Status
 525  *
 526  * DESCRIPTION: Store the object to the named object.
 527  *
 528  *              The Assignment of an object to a named object is handled here
 529  *              The value passed in will replace the current value (if any)
 530  *              with the input value.
 531  *
 532  *              When storing into an object the data is converted to the
 533  *              target object type then stored in the object.  This means
 534  *              that the target object type (for an initialized target) will
 535  *              not be changed by a store operation.
 536  *
 537  *              Assumes parameters are already validated.
 538  *
 539  ******************************************************************************/
 540
 541 acpi_status
 542 acpi_ex_store_object_to_node (
 543         union acpi_operand_object       *source_desc,
 544         struct acpi_namespace_node      *node,
 545         struct acpi_walk_state          *walk_state,
 546         u8                              implicit_conversion)
 547 {
 548         acpi_status                     status = AE_OK;
 549         union acpi_operand_object       *target_desc;
 550         union acpi_operand_object       *new_desc;
 551         acpi_object_type                target_type;
 552
 553
 554         ACPI_FUNCTION_TRACE_PTR ("ex_store_object_to_node", source_desc);
 555
 556
 557         /* Get current type of the node, and object attached to Node */
 558
 559         target_type = acpi_ns_get_type (node);
 560         target_desc = acpi_ns_get_attached_object (node);
 561
 562         ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Storing %p(%s) into node %p(%s)\n",
 563                 source_desc, acpi_ut_get_object_type_name (source_desc),
 564                           node, acpi_ut_get_type_name (target_type)));
 565
 566         /*
 567          * Resolve the source object to an actual value
 568          * (If it is a reference object)
 569          */
 570         status = acpi_ex_resolve_object (&source_desc, target_type, walk_state);
 571         if (ACPI_FAILURE (status)) {
 572                 return_ACPI_STATUS (status);
 573         }
 574
 575         /* If no implicit conversion, drop into the default case below */
 576
 577         if (!implicit_conversion) {
 578                 /* Force execution of default (no implicit conversion) */
 579
 580                 target_type = ACPI_TYPE_ANY;
 581         }
 582
 583         /* Do the actual store operation */
 584
 585         switch (target_type) {
 586         case ACPI_TYPE_BUFFER_FIELD:
 587         case ACPI_TYPE_LOCAL_REGION_FIELD:
 588         case ACPI_TYPE_LOCAL_BANK_FIELD:
 589         case ACPI_TYPE_LOCAL_INDEX_FIELD:
 590
 591                 /* For fields, copy the source data to the target field. */
 592
 593                 status = acpi_ex_write_data_to_field (source_desc, target_desc,
 594                                  &walk_state->result_obj);
 595                 break;
 596
 597
 598         case ACPI_TYPE_INTEGER:
 599         case ACPI_TYPE_STRING:
 600         case ACPI_TYPE_BUFFER:
 601
 602                 /*
 603                  * These target types are all of type Integer/String/Buffer, and
 604                  * therefore support implicit conversion before the store.
 605                  *
 606                  * Copy and/or convert the source object to a new target object
 607                  */
 608                 status = acpi_ex_store_object_to_object (source_desc, target_desc,
 609                                  &new_desc, walk_state);
 610                 if (ACPI_FAILURE (status)) {
 611                         return_ACPI_STATUS (status);
 612                 }
 613
 614                 if (new_desc != target_desc) {
 615                         /*
 616                          * Store the new new_desc as the new value of the Name, and set
 617                          * the Name's type to that of the value being stored in it.
 618                          * source_desc reference count is incremented by attach_object.
 619                          *
 620                          * Note: This may change the type of the node if an explicit store
 621                          * has been performed such that the node/object type has been
 622                          * changed.
 623                          */
 624                         status = acpi_ns_attach_object (node, new_desc, new_desc->common.type);
 625
 626                         ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 627                                 "Store %s into %s via Convert/Attach\n",
 628                                 acpi_ut_get_object_type_name (source_desc),
 629                                 acpi_ut_get_object_type_name (new_desc)));
 630                 }
 631                 break;
 632
 633
 634         default:
 635
 636                 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 637                         "Storing %s (%p) directly into node (%p), no implicit conversion\n",
 638                         acpi_ut_get_object_type_name (source_desc), source_desc, node));
 639
 640                 /* No conversions for all other types.  Just attach the source object */
 641
 642                 status = acpi_ns_attach_object (node, source_desc,
 643                                  ACPI_GET_OBJECT_TYPE (source_desc));
 644                 break;
 645         }
 646
 647         return_ACPI_STATUS (status);
 648 }
 649
 650