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 - 2006, 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 #include <acpi/acpi.h>
  46 #include <acpi/acdispat.h>
  47 #include <acpi/acinterp.h>
  48 #include <acpi/amlcode.h>
  49 #include <acpi/acnamesp.h>
  50 #include <acpi/acparser.h>
  51
  52 #define _COMPONENT          ACPI_EXECUTER
  53 ACPI_MODULE_NAME("exstore")
  54
  55 /* Local prototypes */
  56 static void
  57 acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
  58                         u32 level, u32 index);
  59
  60 static acpi_status
  61 acpi_ex_store_object_to_index(union acpi_operand_object *val_desc,
  62                               union acpi_operand_object *dest_desc,
  63                               struct acpi_walk_state *walk_state);
  64
  65 /*******************************************************************************
  66  *
  67  * FUNCTION:    acpi_ex_do_debug_object
  68  *
  69  * PARAMETERS:  source_desc         - Value to be stored
  70  *              Level               - Indentation level (used for packages)
  71  *              Index               - Current package element, zero if not pkg
  72  *
  73  * RETURN:      None
  74  *
  75  * DESCRIPTION: Handles stores to the Debug Object.
  76  *
  77  ******************************************************************************/
  78
  79 static void
  80 acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
  81                         u32 level, u32 index)
  82 {
  83         u32 i;
  84
  85         ACPI_FUNCTION_TRACE_PTR("ex_do_debug_object", source_desc);
  86
  87         ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s",
  88                               level, " "));
  89
  90         /* Display index for package output only */
  91
  92         if (index > 0) {
  93                 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
  94                                       "(%.2u) ", index - 1));
  95         }
  96
  97         if (!source_desc) {
  98                 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "<Null Object>\n"));
  99                 return_VOID;
 100         }
 101
 102         if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) {
 103                 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%s: ",
 104                                       acpi_ut_get_object_type_name
 105                                       (source_desc)));
 106
 107                 if (!acpi_ut_valid_internal_object(source_desc)) {
 108                         ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
 109                                               "%p, Invalid Internal Object!\n",
 110                                               source_desc));
 111                         return_VOID;
 112                 }
 113         } else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) ==
 114                    ACPI_DESC_TYPE_NAMED) {
 115                 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%s: %p\n",
 116                                       acpi_ut_get_type_name(((struct
 117                                                               acpi_namespace_node
 118                                                               *)source_desc)->
 119                                                             type),
 120                                       source_desc));
 121                 return_VOID;
 122         } else {
 123                 return_VOID;
 124         }
 125
 126         switch (ACPI_GET_OBJECT_TYPE(source_desc)) {
 127         case ACPI_TYPE_INTEGER:
 128
 129                 /* Output correct integer width */
 130
 131                 if (acpi_gbl_integer_byte_width == 4) {
 132                         ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n",
 133                                               (u32) source_desc->integer.
 134                                               value));
 135                 } else {
 136                         ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
 137                                               "0x%8.8X%8.8X\n",
 138                                               ACPI_FORMAT_UINT64(source_desc->
 139                                                                  integer.
 140                                                                  value)));
 141                 }
 142                 break;
 143
 144         case ACPI_TYPE_BUFFER:
 145
 146                 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]\n",
 147                                       (u32) source_desc->buffer.length));
 148                 ACPI_DUMP_BUFFER(source_desc->buffer.pointer,
 149                                  (source_desc->buffer.length <
 150                                   32) ? source_desc->buffer.length : 32);
 151                 break;
 152
 153         case ACPI_TYPE_STRING:
 154
 155                 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n",
 156                                       source_desc->string.length,
 157                                       source_desc->string.pointer));
 158                 break;
 159
 160         case ACPI_TYPE_PACKAGE:
 161
 162                 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
 163                                       "[0x%.2X Elements]\n",
 164                                       source_desc->package.count));
 165
 166                 /* Output the entire contents of the package */
 167
 168                 for (i = 0; i < source_desc->package.count; i++) {
 169                         acpi_ex_do_debug_object(source_desc->package.
 170                                                 elements[i], level + 4, i + 1);
 171                 }
 172                 break;
 173
 174         case ACPI_TYPE_LOCAL_REFERENCE:
 175
 176                 if (source_desc->reference.opcode == AML_INDEX_OP) {
 177                         ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
 178                                               "[%s, 0x%X]\n",
 179                                               acpi_ps_get_opcode_name
 180                                               (source_desc->reference.opcode),
 181                                               source_desc->reference.offset));
 182                 } else {
 183                         ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[%s]\n",
 184                                               acpi_ps_get_opcode_name
 185                                               (source_desc->reference.opcode)));
 186                 }
 187
 188                 if (source_desc->reference.object) {
 189                         if (ACPI_GET_DESCRIPTOR_TYPE
 190                             (source_desc->reference.object) ==
 191                             ACPI_DESC_TYPE_NAMED) {
 192                                 acpi_ex_do_debug_object(((struct
 193                                                           acpi_namespace_node *)
 194                                                          source_desc->reference.
 195                                                          object)->object,
 196                                                         level + 4, 0);
 197                         } else {
 198                                 acpi_ex_do_debug_object(source_desc->reference.
 199                                                         object, level + 4, 0);
 200                         }
 201                 } else if (source_desc->reference.node) {
 202                         acpi_ex_do_debug_object((source_desc->reference.node)->
 203                                                 object, level + 4, 0);
 204                 }
 205                 break;
 206
 207         default:
 208
 209                 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%p %s\n",
 210                                       source_desc,
 211                                       acpi_ut_get_object_type_name
 212                                       (source_desc)));
 213                 break;
 214         }
 215
 216         ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n"));
 217         return_VOID;
 218 }
 219
 220 /*******************************************************************************
 221  *
 222  * FUNCTION:    acpi_ex_store
 223  *
 224  * PARAMETERS:  *source_desc        - Value to be stored
 225  *              *dest_desc          - Where to store it.  Must be an NS node
 226  *                                    or an union acpi_operand_object of type
 227  *                                    Reference;
 228  *              walk_state          - Current walk state
 229  *
 230  * RETURN:      Status
 231  *
 232  * DESCRIPTION: Store the value described by source_desc into the location
 233  *              described by dest_desc. Called by various interpreter
 234  *              functions to store the result of an operation into
 235  *              the destination operand -- not just simply the actual "Store"
 236  *              ASL operator.
 237  *
 238  ******************************************************************************/
 239
 240 acpi_status
 241 acpi_ex_store(union acpi_operand_object *source_desc,
 242               union acpi_operand_object *dest_desc,
 243               struct acpi_walk_state *walk_state)
 244 {
 245         acpi_status status = AE_OK;
 246         union acpi_operand_object *ref_desc = dest_desc;
 247
 248         ACPI_FUNCTION_TRACE_PTR("ex_store", dest_desc);
 249
 250         /* Validate parameters */
 251
 252         if (!source_desc || !dest_desc) {
 253                 ACPI_REPORT_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
 266                                                        acpi_namespace_node *)
 267                                                       dest_desc, walk_state,
 268                                                       ACPI_IMPLICIT_CONVERSION);
 269
 270                 return_ACPI_STATUS(status);
 271         }
 272
 273         /* Destination object must be a Reference or a Constant object */
 274
 275         switch (ACPI_GET_OBJECT_TYPE(dest_desc)) {
 276         case ACPI_TYPE_LOCAL_REFERENCE:
 277                 break;
 278
 279         case ACPI_TYPE_INTEGER:
 280
 281                 /* Allow stores to Constants -- a Noop as per ACPI spec */
 282
 283                 if (dest_desc->common.flags & AOPOBJ_AML_CONSTANT) {
 284                         return_ACPI_STATUS(AE_OK);
 285                 }
 286
 287                 /*lint -fallthrough */
 288
 289         default:
 290
 291                 /* Destination is not a Reference object */
 292
 293                 ACPI_REPORT_ERROR(("Target is not a Reference or Constant object - %s [%p]\n", 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,
 299                                    "Target is not a Reference or Constant object");
 300
 301                 return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
 302         }
 303
 304         /*
 305          * Examine the Reference opcode.  These cases are handled:
 306          *
 307          * 1) Store to Name (Change the object associated with a name)
 308          * 2) Store to an indexed area of a Buffer or Package
 309          * 3) Store to a Method Local or Arg
 310          * 4) Store to the debug object
 311          */
 312         switch (ref_desc->reference.opcode) {
 313         case AML_NAME_OP:
 314         case AML_REF_OF_OP:
 315
 316                 /* Storing an object into a Name "container" */
 317
 318                 status = acpi_ex_store_object_to_node(source_desc,
 319                                                       ref_desc->reference.
 320                                                       object, walk_state,
 321                                                       ACPI_IMPLICIT_CONVERSION);
 322                 break;
 323
 324         case AML_INDEX_OP:
 325
 326                 /* Storing to an Index (pointer into a packager or buffer) */
 327
 328                 status =
 329                     acpi_ex_store_object_to_index(source_desc, ref_desc,
 330                                                   walk_state);
 331                 break;
 332
 333         case AML_LOCAL_OP:
 334         case AML_ARG_OP:
 335
 336                 /* Store to a method local/arg  */
 337
 338                 status =
 339                     acpi_ds_store_object_to_local(ref_desc->reference.opcode,
 340                                                   ref_desc->reference.offset,
 341                                                   source_desc, walk_state);
 342                 break;
 343
 344         case AML_DEBUG_OP:
 345
 346                 /*
 347                  * Storing to the Debug object causes the value stored to be
 348                  * displayed and otherwise has no effect -- see ACPI Specification
 349                  */
 350                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 351                                   "**** Write to Debug Object: Object %p %s ****:\n\n",
 352                                   source_desc,
 353                                   acpi_ut_get_object_type_name(source_desc)));
 354
 355                 acpi_ex_do_debug_object(source_desc, 0, 0);
 356                 break;
 357
 358         default:
 359
 360                 ACPI_REPORT_ERROR(("Unknown Reference opcode %X\n",
 361                                    ref_desc->reference.opcode));
 362                 ACPI_DUMP_ENTRY(ref_desc, ACPI_LV_ERROR);
 363
 364                 status = AE_AML_INTERNAL;
 365                 break;
 366         }
 367
 368         return_ACPI_STATUS(status);
 369 }
 370
 371 /*******************************************************************************
 372  *
 373  * FUNCTION:    acpi_ex_store_object_to_index
 374  *
 375  * PARAMETERS:  *source_desc            - Value to be stored
 376  *              *dest_desc              - Named object to receive the value
 377  *              walk_state              - Current walk state
 378  *
 379  * RETURN:      Status
 380  *
 381  * DESCRIPTION: Store the object to indexed Buffer or Package element
 382  *
 383  ******************************************************************************/
 384
 385 static acpi_status
 386 acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
 387                               union acpi_operand_object *index_desc,
 388                               struct acpi_walk_state *walk_state)
 389 {
 390         acpi_status status = AE_OK;
 391         union acpi_operand_object *obj_desc;
 392         union acpi_operand_object *new_desc;
 393         u8 value = 0;
 394         u32 i;
 395
 396         ACPI_FUNCTION_TRACE("ex_store_object_to_index");
 397
 398         /*
 399          * Destination must be a reference pointer, and
 400          * must point to either a buffer or a package
 401          */
 402         switch (index_desc->reference.target_type) {
 403         case ACPI_TYPE_PACKAGE:
 404                 /*
 405                  * Storing to a package element. Copy the object and replace
 406                  * any existing object with the new object. No implicit
 407                  * conversion is performed.
 408                  *
 409                  * The object at *(index_desc->Reference.Where) is the
 410                  * element within the package that is to be modified.
 411                  * The parent package object is at index_desc->Reference.Object
 412                  */
 413                 obj_desc = *(index_desc->reference.where);
 414
 415                 status =
 416                     acpi_ut_copy_iobject_to_iobject(source_desc, &new_desc,
 417                                                     walk_state);
 418                 if (ACPI_FAILURE(status)) {
 419                         return_ACPI_STATUS(status);
 420                 }
 421
 422                 if (obj_desc) {
 423                         /* Decrement reference count by the ref count of the parent package */
 424
 425                         for (i = 0; i < ((union acpi_operand_object *)
 426                                          index_desc->reference.object)->common.
 427                              reference_count; 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; i < ((union acpi_operand_object *)
 437                                  index_desc->reference.object)->common.
 438                      reference_count; i++) {
 439                         acpi_ut_add_reference(new_desc);
 440                 }
 441
 442                 break;
 443
 444         case ACPI_TYPE_BUFFER_FIELD:
 445
 446                 /*
 447                  * Store into a Buffer or String (not actually a real buffer_field)
 448                  * at a location defined by an Index.
 449                  *
 450                  * The first 8-bit element of the source object is written to the
 451                  * 8-bit Buffer location defined by the Index destination object,
 452                  * according to the ACPI 2.0 specification.
 453                  */
 454
 455                 /*
 456                  * Make sure the target is a Buffer or String. An error should
 457                  * not happen here, since the reference_object was constructed
 458                  * by the INDEX_OP code.
 459                  */
 460                 obj_desc = index_desc->reference.object;
 461                 if ((ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_BUFFER) &&
 462                     (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_STRING)) {
 463                         return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
 464                 }
 465
 466                 /*
 467                  * The assignment of the individual elements will be slightly
 468                  * different for each source type.
 469                  */
 470                 switch (ACPI_GET_OBJECT_TYPE(source_desc)) {
 471                 case ACPI_TYPE_INTEGER:
 472
 473                         /* Use the least-significant byte of the integer */
 474
 475                         value = (u8) (source_desc->integer.value);
 476                         break;
 477
 478                 case ACPI_TYPE_BUFFER:
 479                 case ACPI_TYPE_STRING:
 480
 481                         /* Note: Takes advantage of common string/buffer fields */
 482
 483                         value = source_desc->buffer.pointer[0];
 484                         break;
 485
 486                 default:
 487
 488                         /* All other types are invalid */
 489
 490                         ACPI_REPORT_ERROR(("Source must be Integer/Buffer/String type, not %s\n", acpi_ut_get_object_type_name(source_desc)));
 491                         return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
 492                 }
 493
 494                 /* Store the source value into the target buffer byte */
 495
 496                 obj_desc->buffer.pointer[index_desc->reference.offset] = value;
 497                 break;
 498
 499         default:
 500                 ACPI_REPORT_ERROR(("Target is not a Package or buffer_field\n"));
 501                 status = AE_AML_OPERAND_TYPE;
 502                 break;
 503         }
 504
 505         return_ACPI_STATUS(status);
 506 }
 507
 508 /*******************************************************************************
 509  *
 510  * FUNCTION:    acpi_ex_store_object_to_node
 511  *
 512  * PARAMETERS:  source_desc             - Value to be stored
 513  *              Node                    - Named object to receive the value
 514  *              walk_state              - Current walk state
 515  *              implicit_conversion     - Perform implicit conversion (yes/no)
 516  *
 517  * RETURN:      Status
 518  *
 519  * DESCRIPTION: Store the object to the named object.
 520  *
 521  *              The Assignment of an object to a named object is handled here
 522  *              The value passed in will replace the current value (if any)
 523  *              with the input value.
 524  *
 525  *              When storing into an object the data is converted to the
 526  *              target object type then stored in the object.  This means
 527  *              that the target object type (for an initialized target) will
 528  *              not be changed by a store operation.
 529  *
 530  *              Assumes parameters are already validated.
 531  *
 532  ******************************************************************************/
 533
 534 acpi_status
 535 acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
 536                              struct acpi_namespace_node *node,
 537                              struct acpi_walk_state *walk_state,
 538                              u8 implicit_conversion)
 539 {
 540         acpi_status status = AE_OK;
 541         union acpi_operand_object *target_desc;
 542         union acpi_operand_object *new_desc;
 543         acpi_object_type target_type;
 544
 545         ACPI_FUNCTION_TRACE_PTR("ex_store_object_to_node", source_desc);
 546
 547         /* Get current type of the node, and object attached to Node */
 548
 549         target_type = acpi_ns_get_type(node);
 550         target_desc = acpi_ns_get_attached_object(node);
 551
 552         ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Storing %p(%s) into node %p(%s)\n",
 553                           source_desc,
 554                           acpi_ut_get_object_type_name(source_desc), node,
 555                           acpi_ut_get_type_name(target_type)));
 556
 557         /*
 558          * Resolve the source object to an actual value
 559          * (If it is a reference object)
 560          */
 561         status = acpi_ex_resolve_object(&source_desc, target_type, walk_state);
 562         if (ACPI_FAILURE(status)) {
 563                 return_ACPI_STATUS(status);
 564         }
 565
 566         /* If no implicit conversion, drop into the default case below */
 567
 568         if ((!implicit_conversion) || (walk_state->opcode == AML_COPY_OP)) {
 569                 /* Force execution of default (no implicit conversion) */
 570
 571                 target_type = ACPI_TYPE_ANY;
 572         }
 573
 574         /* Do the actual store operation */
 575
 576         switch (target_type) {
 577         case ACPI_TYPE_BUFFER_FIELD:
 578         case ACPI_TYPE_LOCAL_REGION_FIELD:
 579         case ACPI_TYPE_LOCAL_BANK_FIELD:
 580         case ACPI_TYPE_LOCAL_INDEX_FIELD:
 581
 582                 /* For fields, copy the source data to the target field. */
 583
 584                 status = acpi_ex_write_data_to_field(source_desc, target_desc,
 585                                                      &walk_state->result_obj);
 586                 break;
 587
 588         case ACPI_TYPE_INTEGER:
 589         case ACPI_TYPE_STRING:
 590         case ACPI_TYPE_BUFFER:
 591
 592                 /*
 593                  * These target types are all of type Integer/String/Buffer, and
 594                  * therefore support implicit conversion before the store.
 595                  *
 596                  * Copy and/or convert the source object to a new target object
 597                  */
 598                 status =
 599                     acpi_ex_store_object_to_object(source_desc, target_desc,
 600                                                    &new_desc, walk_state);
 601                 if (ACPI_FAILURE(status)) {
 602                         return_ACPI_STATUS(status);
 603                 }
 604
 605                 if (new_desc != target_desc) {
 606                         /*
 607                          * Store the new new_desc as the new value of the Name, and set
 608                          * the Name's type to that of the value being stored in it.
 609                          * source_desc reference count is incremented by attach_object.
 610                          *
 611                          * Note: This may change the type of the node if an explicit store
 612                          * has been performed such that the node/object type has been
 613                          * changed.
 614                          */
 615                         status =
 616                             acpi_ns_attach_object(node, new_desc,
 617                                                   new_desc->common.type);
 618
 619                         ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 620                                           "Store %s into %s via Convert/Attach\n",
 621                                           acpi_ut_get_object_type_name
 622                                           (source_desc),
 623                                           acpi_ut_get_object_type_name
 624                                           (new_desc)));
 625                 }
 626                 break;
 627
 628         default:
 629
 630                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 631                                   "Storing %s (%p) directly into node (%p) with no implicit conversion\n",
 632                                   acpi_ut_get_object_type_name(source_desc),
 633                                   source_desc, node));
 634
 635                 /* No conversions for all other types.  Just attach the source object */
 636
 637                 status = acpi_ns_attach_object(node, source_desc,
 638                                                ACPI_GET_OBJECT_TYPE
 639                                                (source_desc));
 640                 break;
 641         }
 642
 643         return_ACPI_STATUS(status);
 644 }