drivers/acpi/acpica/nsdump.c

   1 /******************************************************************************
   2  *
   3  * Module Name: nsdump - table dumping routines for debug
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2008, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #include <acpi/acpi.h>
  45 #include "accommon.h"
  46 #include "acnamesp.h"
  47
  48 #define _COMPONENT          ACPI_NAMESPACE
  49 ACPI_MODULE_NAME("nsdump")
  50
  51 /* Local prototypes */
  52 #ifdef ACPI_OBSOLETE_FUNCTIONS
  53 void acpi_ns_dump_root_devices(void);
  54
  55 static acpi_status
  56 acpi_ns_dump_one_device(acpi_handle obj_handle,
  57                         u32 level, void *context, void **return_value);
  58 #endif
  59
  60 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
  61 /*******************************************************************************
  62  *
  63  * FUNCTION:    acpi_ns_print_pathname
  64  *
  65  * PARAMETERS:  num_segments        - Number of ACPI name segments
  66  *              Pathname            - The compressed (internal) path
  67  *
  68  * RETURN:      None
  69  *
  70  * DESCRIPTION: Print an object's full namespace pathname
  71  *
  72  ******************************************************************************/
  73
  74 void acpi_ns_print_pathname(u32 num_segments, char *pathname)
  75 {
  76         u32 i;
  77
  78         ACPI_FUNCTION_NAME(ns_print_pathname);
  79
  80         if (!(acpi_dbg_level & ACPI_LV_NAMES)
  81             || !(acpi_dbg_layer & ACPI_NAMESPACE)) {
  82                 return;
  83         }
  84
  85         /* Print the entire name */
  86
  87         ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "["));
  88
  89         while (num_segments) {
  90                 for (i = 0; i < 4; i++) {
  91                         ACPI_IS_PRINT(pathname[i]) ?
  92                             acpi_os_printf("%c", pathname[i]) :
  93                             acpi_os_printf("?");
  94                 }
  95
  96                 pathname += ACPI_NAME_SIZE;
  97                 num_segments--;
  98                 if (num_segments) {
  99                         acpi_os_printf(".");
 100                 }
 101         }
 102
 103         acpi_os_printf("]\n");
 104 }
 105
 106 /*******************************************************************************
 107  *
 108  * FUNCTION:    acpi_ns_dump_pathname
 109  *
 110  * PARAMETERS:  Handle              - Object
 111  *              Msg                 - Prefix message
 112  *              Level               - Desired debug level
 113  *              Component           - Caller's component ID
 114  *
 115  * RETURN:      None
 116  *
 117  * DESCRIPTION: Print an object's full namespace pathname
 118  *              Manages allocation/freeing of a pathname buffer
 119  *
 120  ******************************************************************************/
 121
 122 void
 123 acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
 124 {
 125
 126         ACPI_FUNCTION_TRACE(ns_dump_pathname);
 127
 128         /* Do this only if the requested debug level and component are enabled */
 129
 130         if (!(acpi_dbg_level & level) || !(acpi_dbg_layer & component)) {
 131                 return_VOID;
 132         }
 133
 134         /* Convert handle to a full pathname and print it (with supplied message) */
 135
 136         acpi_ns_print_node_pathname(handle, msg);
 137         acpi_os_printf("\n");
 138         return_VOID;
 139 }
 140
 141 /*******************************************************************************
 142  *
 143  * FUNCTION:    acpi_ns_dump_one_object
 144  *
 145  * PARAMETERS:  obj_handle          - Node to be dumped
 146  *              Level               - Nesting level of the handle
 147  *              Context             - Passed into walk_namespace
 148  *              return_value        - Not used
 149  *
 150  * RETURN:      Status
 151  *
 152  * DESCRIPTION: Dump a single Node
 153  *              This procedure is a user_function called by acpi_ns_walk_namespace.
 154  *
 155  ******************************************************************************/
 156
 157 acpi_status
 158 acpi_ns_dump_one_object(acpi_handle obj_handle,
 159                         u32 level, void *context, void **return_value)
 160 {
 161         struct acpi_walk_info *info = (struct acpi_walk_info *)context;
 162         struct acpi_namespace_node *this_node;
 163         union acpi_operand_object *obj_desc = NULL;
 164         acpi_object_type obj_type;
 165         acpi_object_type type;
 166         u32 bytes_to_dump;
 167         u32 dbg_level;
 168         u32 i;
 169
 170         ACPI_FUNCTION_NAME(ns_dump_one_object);
 171
 172         /* Is output enabled? */
 173
 174         if (!(acpi_dbg_level & info->debug_level)) {
 175                 return (AE_OK);
 176         }
 177
 178         if (!obj_handle) {
 179                 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Null object handle\n"));
 180                 return (AE_OK);
 181         }
 182
 183         this_node = acpi_ns_map_handle_to_node(obj_handle);
 184         type = this_node->type;
 185
 186         /* Check if the owner matches */
 187
 188         if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
 189             (info->owner_id != this_node->owner_id)) {
 190                 return (AE_OK);
 191         }
 192
 193         if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
 194
 195                 /* Indent the object according to the level */
 196
 197                 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
 198
 199                 /* Check the node type and name */
 200
 201                 if (type > ACPI_TYPE_LOCAL_MAX) {
 202                         ACPI_WARNING((AE_INFO, "Invalid ACPI Object Type %08X",
 203                                       type));
 204                 }
 205
 206                 if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
 207                         this_node->name.integer =
 208                             acpi_ut_repair_name(this_node->name.ascii);
 209
 210                         ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
 211                                       this_node->name.integer));
 212                 }
 213
 214                 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
 215         }
 216
 217         /*
 218          * Now we can print out the pertinent information
 219          */
 220         acpi_os_printf(" %-12s %p %2.2X ",
 221                        acpi_ut_get_type_name(type), this_node,
 222                        this_node->owner_id);
 223
 224         dbg_level = acpi_dbg_level;
 225         acpi_dbg_level = 0;
 226         obj_desc = acpi_ns_get_attached_object(this_node);
 227         acpi_dbg_level = dbg_level;
 228
 229         /* Temp nodes are those nodes created by a control method */
 230
 231         if (this_node->flags & ANOBJ_TEMPORARY) {
 232                 acpi_os_printf("(T) ");
 233         }
 234
 235         switch (info->display_type & ACPI_DISPLAY_MASK) {
 236         case ACPI_DISPLAY_SUMMARY:
 237
 238                 if (!obj_desc) {
 239
 240                         /* No attached object, we are done */
 241
 242                         acpi_os_printf("\n");
 243                         return (AE_OK);
 244                 }
 245
 246                 switch (type) {
 247                 case ACPI_TYPE_PROCESSOR:
 248
 249                         acpi_os_printf("ID %X Len %.4X Addr %p\n",
 250                                        obj_desc->processor.proc_id,
 251                                        obj_desc->processor.length,
 252                                        ACPI_CAST_PTR(void,
 253                                                      obj_desc->processor.
 254                                                      address));
 255                         break;
 256
 257                 case ACPI_TYPE_DEVICE:
 258
 259                         acpi_os_printf("Notify Object: %p\n", obj_desc);
 260                         break;
 261
 262                 case ACPI_TYPE_METHOD:
 263
 264                         acpi_os_printf("Args %X Len %.4X Aml %p\n",
 265                                        (u32) obj_desc->method.param_count,
 266                                        obj_desc->method.aml_length,
 267                                        obj_desc->method.aml_start);
 268                         break;
 269
 270                 case ACPI_TYPE_INTEGER:
 271
 272                         acpi_os_printf("= %8.8X%8.8X\n",
 273                                        ACPI_FORMAT_UINT64(obj_desc->integer.
 274                                                           value));
 275                         break;
 276
 277                 case ACPI_TYPE_PACKAGE:
 278
 279                         if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
 280                                 acpi_os_printf("Elements %.2X\n",
 281                                                obj_desc->package.count);
 282                         } else {
 283                                 acpi_os_printf("[Length not yet evaluated]\n");
 284                         }
 285                         break;
 286
 287                 case ACPI_TYPE_BUFFER:
 288
 289                         if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
 290                                 acpi_os_printf("Len %.2X",
 291                                                obj_desc->buffer.length);
 292
 293                                 /* Dump some of the buffer */
 294
 295                                 if (obj_desc->buffer.length > 0) {
 296                                         acpi_os_printf(" =");
 297                                         for (i = 0;
 298                                              (i < obj_desc->buffer.length
 299                                               && i < 12); i++) {
 300                                                 acpi_os_printf(" %.2hX",
 301                                                                obj_desc->buffer.
 302                                                                pointer[i]);
 303                                         }
 304                                 }
 305                                 acpi_os_printf("\n");
 306                         } else {
 307                                 acpi_os_printf("[Length not yet evaluated]\n");
 308                         }
 309                         break;
 310
 311                 case ACPI_TYPE_STRING:
 312
 313                         acpi_os_printf("Len %.2X ", obj_desc->string.length);
 314                         acpi_ut_print_string(obj_desc->string.pointer, 32);
 315                         acpi_os_printf("\n");
 316                         break;
 317
 318                 case ACPI_TYPE_REGION:
 319
 320                         acpi_os_printf("[%s]",
 321                                        acpi_ut_get_region_name(obj_desc->region.
 322                                                                space_id));
 323                         if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
 324                                 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
 325                                                ACPI_FORMAT_NATIVE_UINT
 326                                                (obj_desc->region.address),
 327                                                obj_desc->region.length);
 328                         } else {
 329                                 acpi_os_printf
 330                                     (" [Address/Length not yet evaluated]\n");
 331                         }
 332                         break;
 333
 334                 case ACPI_TYPE_LOCAL_REFERENCE:
 335
 336                         acpi_os_printf("[%s]\n",
 337                                        acpi_ut_get_reference_name(obj_desc));
 338                         break;
 339
 340                 case ACPI_TYPE_BUFFER_FIELD:
 341
 342                         if (obj_desc->buffer_field.buffer_obj &&
 343                             obj_desc->buffer_field.buffer_obj->buffer.node) {
 344                                 acpi_os_printf("Buf [%4.4s]",
 345                                                acpi_ut_get_node_name(obj_desc->
 346                                                                      buffer_field.
 347                                                                      buffer_obj->
 348                                                                      buffer.
 349                                                                      node));
 350                         }
 351                         break;
 352
 353                 case ACPI_TYPE_LOCAL_REGION_FIELD:
 354
 355                         acpi_os_printf("Rgn [%4.4s]",
 356                                        acpi_ut_get_node_name(obj_desc->
 357                                                              common_field.
 358                                                              region_obj->region.
 359                                                              node));
 360                         break;
 361
 362                 case ACPI_TYPE_LOCAL_BANK_FIELD:
 363
 364                         acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
 365                                        acpi_ut_get_node_name(obj_desc->
 366                                                              common_field.
 367                                                              region_obj->region.
 368                                                              node),
 369                                        acpi_ut_get_node_name(obj_desc->
 370                                                              bank_field.
 371                                                              bank_obj->
 372                                                              common_field.
 373                                                              node));
 374                         break;
 375
 376                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
 377
 378                         acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
 379                                        acpi_ut_get_node_name(obj_desc->
 380                                                              index_field.
 381                                                              index_obj->
 382                                                              common_field.node),
 383                                        acpi_ut_get_node_name(obj_desc->
 384                                                              index_field.
 385                                                              data_obj->
 386                                                              common_field.
 387                                                              node));
 388                         break;
 389
 390                 case ACPI_TYPE_LOCAL_ALIAS:
 391                 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
 392
 393                         acpi_os_printf("Target %4.4s (%p)\n",
 394                                        acpi_ut_get_node_name(obj_desc),
 395                                        obj_desc);
 396                         break;
 397
 398                 default:
 399
 400                         acpi_os_printf("Object %p\n", obj_desc);
 401                         break;
 402                 }
 403
 404                 /* Common field handling */
 405
 406                 switch (type) {
 407                 case ACPI_TYPE_BUFFER_FIELD:
 408                 case ACPI_TYPE_LOCAL_REGION_FIELD:
 409                 case ACPI_TYPE_LOCAL_BANK_FIELD:
 410                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
 411
 412                         acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
 413                                        (obj_desc->common_field.
 414                                         base_byte_offset * 8)
 415                                        +
 416                                        obj_desc->common_field.
 417                                        start_field_bit_offset,
 418                                        obj_desc->common_field.bit_length,
 419                                        obj_desc->common_field.
 420                                        access_byte_width);
 421                         break;
 422
 423                 default:
 424                         break;
 425                 }
 426                 break;
 427
 428         case ACPI_DISPLAY_OBJECTS:
 429
 430                 acpi_os_printf("O:%p", obj_desc);
 431                 if (!obj_desc) {
 432
 433                         /* No attached object, we are done */
 434
 435                         acpi_os_printf("\n");
 436                         return (AE_OK);
 437                 }
 438
 439                 acpi_os_printf("(R%d)", obj_desc->common.reference_count);
 440
 441                 switch (type) {
 442                 case ACPI_TYPE_METHOD:
 443
 444                         /* Name is a Method and its AML offset/length are set */
 445
 446                         acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
 447                                        obj_desc->method.aml_length);
 448                         break;
 449
 450                 case ACPI_TYPE_INTEGER:
 451
 452                         acpi_os_printf(" I:%8.8X8.8%X\n",
 453                                        ACPI_FORMAT_UINT64(obj_desc->integer.
 454                                                           value));
 455                         break;
 456
 457                 case ACPI_TYPE_STRING:
 458
 459                         acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
 460                                        obj_desc->string.length);
 461                         break;
 462
 463                 case ACPI_TYPE_BUFFER:
 464
 465                         acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
 466                                        obj_desc->buffer.length);
 467                         break;
 468
 469                 default:
 470
 471                         acpi_os_printf("\n");
 472                         break;
 473                 }
 474                 break;
 475
 476         default:
 477                 acpi_os_printf("\n");
 478                 break;
 479         }
 480
 481         /* If debug turned off, done */
 482
 483         if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
 484                 return (AE_OK);
 485         }
 486
 487         /* If there is an attached object, display it */
 488
 489         dbg_level = acpi_dbg_level;
 490         acpi_dbg_level = 0;
 491         obj_desc = acpi_ns_get_attached_object(this_node);
 492         acpi_dbg_level = dbg_level;
 493
 494         /* Dump attached objects */
 495
 496         while (obj_desc) {
 497                 obj_type = ACPI_TYPE_INVALID;
 498                 acpi_os_printf("Attached Object %p: ", obj_desc);
 499
 500                 /* Decode the type of attached object and dump the contents */
 501
 502                 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
 503                 case ACPI_DESC_TYPE_NAMED:
 504
 505                         acpi_os_printf("(Ptr to Node)\n");
 506                         bytes_to_dump = sizeof(struct acpi_namespace_node);
 507                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
 508                         break;
 509
 510                 case ACPI_DESC_TYPE_OPERAND:
 511
 512                         obj_type = ACPI_GET_OBJECT_TYPE(obj_desc);
 513
 514                         if (obj_type > ACPI_TYPE_LOCAL_MAX) {
 515                                 acpi_os_printf
 516                                     ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
 517                                      obj_type);
 518                                 bytes_to_dump = 32;
 519                         } else {
 520                                 acpi_os_printf
 521                                     ("(Pointer to ACPI Object type %.2X [%s])\n",
 522                                      obj_type, acpi_ut_get_type_name(obj_type));
 523                                 bytes_to_dump =
 524                                     sizeof(union acpi_operand_object);
 525                         }
 526
 527                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
 528                         break;
 529
 530                 default:
 531
 532                         break;
 533                 }
 534
 535                 /* If value is NOT an internal object, we are done */
 536
 537                 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
 538                     ACPI_DESC_TYPE_OPERAND) {
 539                         goto cleanup;
 540                 }
 541
 542                 /*
 543                  * Valid object, get the pointer to next level, if any
 544                  */
 545                 switch (obj_type) {
 546                 case ACPI_TYPE_BUFFER:
 547                 case ACPI_TYPE_STRING:
 548                         /*
 549                          * NOTE: takes advantage of common fields between string/buffer
 550                          */
 551                         bytes_to_dump = obj_desc->string.length;
 552                         obj_desc = (void *)obj_desc->string.pointer;
 553                         acpi_os_printf("(Buffer/String pointer %p length %X)\n",
 554                                        obj_desc, bytes_to_dump);
 555                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
 556                         goto cleanup;
 557
 558                 case ACPI_TYPE_BUFFER_FIELD:
 559                         obj_desc =
 560                             (union acpi_operand_object *)obj_desc->buffer_field.
 561                             buffer_obj;
 562                         break;
 563
 564                 case ACPI_TYPE_PACKAGE:
 565                         obj_desc = (void *)obj_desc->package.elements;
 566                         break;
 567
 568                 case ACPI_TYPE_METHOD:
 569                         obj_desc = (void *)obj_desc->method.aml_start;
 570                         break;
 571
 572                 case ACPI_TYPE_LOCAL_REGION_FIELD:
 573                         obj_desc = (void *)obj_desc->field.region_obj;
 574                         break;
 575
 576                 case ACPI_TYPE_LOCAL_BANK_FIELD:
 577                         obj_desc = (void *)obj_desc->bank_field.region_obj;
 578                         break;
 579
 580                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
 581                         obj_desc = (void *)obj_desc->index_field.index_obj;
 582                         break;
 583
 584                 default:
 585                         goto cleanup;
 586                 }
 587
 588                 obj_type = ACPI_TYPE_INVALID;   /* Terminate loop after next pass */
 589         }
 590
 591       cleanup:
 592         acpi_os_printf("\n");
 593         return (AE_OK);
 594 }
 595
 596 #ifdef ACPI_FUTURE_USAGE
 597 /*******************************************************************************
 598  *
 599  * FUNCTION:    acpi_ns_dump_objects
 600  *
 601  * PARAMETERS:  Type                - Object type to be dumped
 602  *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
 603  *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
 604  *                                    for an effectively unlimited depth.
 605  *              owner_id            - Dump only objects owned by this ID.  Use
 606  *                                    ACPI_UINT32_MAX to match all owners.
 607  *              start_handle        - Where in namespace to start/end search
 608  *
 609  * RETURN:      None
 610  *
 611  * DESCRIPTION: Dump typed objects within the loaded namespace.
 612  *              Uses acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
 613  *
 614  ******************************************************************************/
 615
 616 void
 617 acpi_ns_dump_objects(acpi_object_type type,
 618                      u8 display_type,
 619                      u32 max_depth,
 620                      acpi_owner_id owner_id, acpi_handle start_handle)
 621 {
 622         struct acpi_walk_info info;
 623
 624         ACPI_FUNCTION_ENTRY();
 625
 626         info.debug_level = ACPI_LV_TABLES;
 627         info.owner_id = owner_id;
 628         info.display_type = display_type;
 629
 630         (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
 631                                      ACPI_NS_WALK_NO_UNLOCK |
 632                                      ACPI_NS_WALK_TEMP_NODES,
 633                                      acpi_ns_dump_one_object, (void *)&info,
 634                                      NULL);
 635 }
 636 #endif                          /* ACPI_FUTURE_USAGE */
 637
 638 /*******************************************************************************
 639  *
 640  * FUNCTION:    acpi_ns_dump_entry
 641  *
 642  * PARAMETERS:  Handle              - Node to be dumped
 643  *              debug_level         - Output level
 644  *
 645  * RETURN:      None
 646  *
 647  * DESCRIPTION: Dump a single Node
 648  *
 649  ******************************************************************************/
 650
 651 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
 652 {
 653         struct acpi_walk_info info;
 654
 655         ACPI_FUNCTION_ENTRY();
 656
 657         info.debug_level = debug_level;
 658         info.owner_id = ACPI_OWNER_ID_MAX;
 659         info.display_type = ACPI_DISPLAY_SUMMARY;
 660
 661         (void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
 662 }
 663
 664 #ifdef ACPI_ASL_COMPILER
 665 /*******************************************************************************
 666  *
 667  * FUNCTION:    acpi_ns_dump_tables
 668  *
 669  * PARAMETERS:  search_base         - Root of subtree to be dumped, or
 670  *                                    NS_ALL to dump the entire namespace
 671  *              max_depth           - Maximum depth of dump.  Use INT_MAX
 672  *                                    for an effectively unlimited depth.
 673  *
 674  * RETURN:      None
 675  *
 676  * DESCRIPTION: Dump the name space, or a portion of it.
 677  *
 678  ******************************************************************************/
 679
 680 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
 681 {
 682         acpi_handle search_handle = search_base;
 683
 684         ACPI_FUNCTION_TRACE(ns_dump_tables);
 685
 686         if (!acpi_gbl_root_node) {
 687                 /*
 688                  * If the name space has not been initialized,
 689                  * there is nothing to dump.
 690                  */
 691                 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
 692                                   "namespace not initialized!\n"));
 693                 return_VOID;
 694         }
 695
 696         if (ACPI_NS_ALL == search_base) {
 697
 698                 /* Entire namespace */
 699
 700                 search_handle = acpi_gbl_root_node;
 701                 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
 702         }
 703
 704         acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
 705                              ACPI_OWNER_ID_MAX, search_handle);
 706         return_VOID;
 707 }
 708 #endif                          /* _ACPI_ASL_COMPILER */
 709 #endif                          /* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */