Revert "ARM: tegra: tegratab: dummy change"
[linux-2.6.git] / drivers / acpi / acpica / nsdump.c
1 /******************************************************************************
2  *
3  * Module Name: nsdump - table dumping routines for debug
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2012, 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_validate_handle(obj_handle);
184         if (!this_node) {
185                 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
186                                   obj_handle));
187                 return (AE_OK);
188         }
189
190         type = this_node->type;
191
192         /* Check if the owner matches */
193
194         if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
195             (info->owner_id != this_node->owner_id)) {
196                 return (AE_OK);
197         }
198
199         if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
200
201                 /* Indent the object according to the level */
202
203                 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
204
205                 /* Check the node type and name */
206
207                 if (type > ACPI_TYPE_LOCAL_MAX) {
208                         ACPI_WARNING((AE_INFO,
209                                       "Invalid ACPI Object Type 0x%08X", type));
210                 }
211
212                 if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
213                         this_node->name.integer =
214                             acpi_ut_repair_name(this_node->name.ascii);
215
216                         ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
217                                       this_node->name.integer));
218                 }
219
220                 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
221         }
222
223         /* Now we can print out the pertinent information */
224
225         acpi_os_printf(" %-12s %p %2.2X ",
226                        acpi_ut_get_type_name(type), this_node,
227                        this_node->owner_id);
228
229         dbg_level = acpi_dbg_level;
230         acpi_dbg_level = 0;
231         obj_desc = acpi_ns_get_attached_object(this_node);
232         acpi_dbg_level = dbg_level;
233
234         /* Temp nodes are those nodes created by a control method */
235
236         if (this_node->flags & ANOBJ_TEMPORARY) {
237                 acpi_os_printf("(T) ");
238         }
239
240         switch (info->display_type & ACPI_DISPLAY_MASK) {
241         case ACPI_DISPLAY_SUMMARY:
242
243                 if (!obj_desc) {
244
245                         /* No attached object. Some types should always have an object */
246
247                         switch (type) {
248                         case ACPI_TYPE_INTEGER:
249                         case ACPI_TYPE_PACKAGE:
250                         case ACPI_TYPE_BUFFER:
251                         case ACPI_TYPE_STRING:
252                         case ACPI_TYPE_METHOD:
253                                 acpi_os_printf("<No attached object>");
254                                 break;
255
256                         default:
257                                 break;
258                         }
259
260                         acpi_os_printf("\n");
261                         return (AE_OK);
262                 }
263
264                 switch (type) {
265                 case ACPI_TYPE_PROCESSOR:
266
267                         acpi_os_printf("ID %X Len %.4X Addr %p\n",
268                                        obj_desc->processor.proc_id,
269                                        obj_desc->processor.length,
270                                        ACPI_CAST_PTR(void,
271                                                      obj_desc->processor.
272                                                      address));
273                         break;
274
275                 case ACPI_TYPE_DEVICE:
276
277                         acpi_os_printf("Notify Object: %p\n", obj_desc);
278                         break;
279
280                 case ACPI_TYPE_METHOD:
281
282                         acpi_os_printf("Args %X Len %.4X Aml %p\n",
283                                        (u32) obj_desc->method.param_count,
284                                        obj_desc->method.aml_length,
285                                        obj_desc->method.aml_start);
286                         break;
287
288                 case ACPI_TYPE_INTEGER:
289
290                         acpi_os_printf("= %8.8X%8.8X\n",
291                                        ACPI_FORMAT_UINT64(obj_desc->integer.
292                                                           value));
293                         break;
294
295                 case ACPI_TYPE_PACKAGE:
296
297                         if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
298                                 acpi_os_printf("Elements %.2X\n",
299                                                obj_desc->package.count);
300                         } else {
301                                 acpi_os_printf("[Length not yet evaluated]\n");
302                         }
303                         break;
304
305                 case ACPI_TYPE_BUFFER:
306
307                         if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
308                                 acpi_os_printf("Len %.2X",
309                                                obj_desc->buffer.length);
310
311                                 /* Dump some of the buffer */
312
313                                 if (obj_desc->buffer.length > 0) {
314                                         acpi_os_printf(" =");
315                                         for (i = 0;
316                                              (i < obj_desc->buffer.length
317                                               && i < 12); i++) {
318                                                 acpi_os_printf(" %.2hX",
319                                                                obj_desc->buffer.
320                                                                pointer[i]);
321                                         }
322                                 }
323                                 acpi_os_printf("\n");
324                         } else {
325                                 acpi_os_printf("[Length not yet evaluated]\n");
326                         }
327                         break;
328
329                 case ACPI_TYPE_STRING:
330
331                         acpi_os_printf("Len %.2X ", obj_desc->string.length);
332                         acpi_ut_print_string(obj_desc->string.pointer, 32);
333                         acpi_os_printf("\n");
334                         break;
335
336                 case ACPI_TYPE_REGION:
337
338                         acpi_os_printf("[%s]",
339                                        acpi_ut_get_region_name(obj_desc->region.
340                                                                space_id));
341                         if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
342                                 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
343                                                ACPI_FORMAT_NATIVE_UINT
344                                                (obj_desc->region.address),
345                                                obj_desc->region.length);
346                         } else {
347                                 acpi_os_printf
348                                     (" [Address/Length not yet evaluated]\n");
349                         }
350                         break;
351
352                 case ACPI_TYPE_LOCAL_REFERENCE:
353
354                         acpi_os_printf("[%s]\n",
355                                        acpi_ut_get_reference_name(obj_desc));
356                         break;
357
358                 case ACPI_TYPE_BUFFER_FIELD:
359
360                         if (obj_desc->buffer_field.buffer_obj &&
361                             obj_desc->buffer_field.buffer_obj->buffer.node) {
362                                 acpi_os_printf("Buf [%4.4s]",
363                                                acpi_ut_get_node_name(obj_desc->
364                                                                      buffer_field.
365                                                                      buffer_obj->
366                                                                      buffer.
367                                                                      node));
368                         }
369                         break;
370
371                 case ACPI_TYPE_LOCAL_REGION_FIELD:
372
373                         acpi_os_printf("Rgn [%4.4s]",
374                                        acpi_ut_get_node_name(obj_desc->
375                                                              common_field.
376                                                              region_obj->region.
377                                                              node));
378                         break;
379
380                 case ACPI_TYPE_LOCAL_BANK_FIELD:
381
382                         acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
383                                        acpi_ut_get_node_name(obj_desc->
384                                                              common_field.
385                                                              region_obj->region.
386                                                              node),
387                                        acpi_ut_get_node_name(obj_desc->
388                                                              bank_field.
389                                                              bank_obj->
390                                                              common_field.
391                                                              node));
392                         break;
393
394                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
395
396                         acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
397                                        acpi_ut_get_node_name(obj_desc->
398                                                              index_field.
399                                                              index_obj->
400                                                              common_field.node),
401                                        acpi_ut_get_node_name(obj_desc->
402                                                              index_field.
403                                                              data_obj->
404                                                              common_field.
405                                                              node));
406                         break;
407
408                 case ACPI_TYPE_LOCAL_ALIAS:
409                 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
410
411                         acpi_os_printf("Target %4.4s (%p)\n",
412                                        acpi_ut_get_node_name(obj_desc),
413                                        obj_desc);
414                         break;
415
416                 default:
417
418                         acpi_os_printf("Object %p\n", obj_desc);
419                         break;
420                 }
421
422                 /* Common field handling */
423
424                 switch (type) {
425                 case ACPI_TYPE_BUFFER_FIELD:
426                 case ACPI_TYPE_LOCAL_REGION_FIELD:
427                 case ACPI_TYPE_LOCAL_BANK_FIELD:
428                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
429
430                         acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
431                                        (obj_desc->common_field.
432                                         base_byte_offset * 8)
433                                        +
434                                        obj_desc->common_field.
435                                        start_field_bit_offset,
436                                        obj_desc->common_field.bit_length,
437                                        obj_desc->common_field.
438                                        access_byte_width);
439                         break;
440
441                 default:
442                         break;
443                 }
444                 break;
445
446         case ACPI_DISPLAY_OBJECTS:
447
448                 acpi_os_printf("O:%p", obj_desc);
449                 if (!obj_desc) {
450
451                         /* No attached object, we are done */
452
453                         acpi_os_printf("\n");
454                         return (AE_OK);
455                 }
456
457                 acpi_os_printf("(R%u)", obj_desc->common.reference_count);
458
459                 switch (type) {
460                 case ACPI_TYPE_METHOD:
461
462                         /* Name is a Method and its AML offset/length are set */
463
464                         acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
465                                        obj_desc->method.aml_length);
466                         break;
467
468                 case ACPI_TYPE_INTEGER:
469
470                         acpi_os_printf(" I:%8.8X8.8%X\n",
471                                        ACPI_FORMAT_UINT64(obj_desc->integer.
472                                                           value));
473                         break;
474
475                 case ACPI_TYPE_STRING:
476
477                         acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
478                                        obj_desc->string.length);
479                         break;
480
481                 case ACPI_TYPE_BUFFER:
482
483                         acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
484                                        obj_desc->buffer.length);
485                         break;
486
487                 default:
488
489                         acpi_os_printf("\n");
490                         break;
491                 }
492                 break;
493
494         default:
495                 acpi_os_printf("\n");
496                 break;
497         }
498
499         /* If debug turned off, done */
500
501         if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
502                 return (AE_OK);
503         }
504
505         /* If there is an attached object, display it */
506
507         dbg_level = acpi_dbg_level;
508         acpi_dbg_level = 0;
509         obj_desc = acpi_ns_get_attached_object(this_node);
510         acpi_dbg_level = dbg_level;
511
512         /* Dump attached objects */
513
514         while (obj_desc) {
515                 obj_type = ACPI_TYPE_INVALID;
516                 acpi_os_printf("Attached Object %p: ", obj_desc);
517
518                 /* Decode the type of attached object and dump the contents */
519
520                 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
521                 case ACPI_DESC_TYPE_NAMED:
522
523                         acpi_os_printf("(Ptr to Node)\n");
524                         bytes_to_dump = sizeof(struct acpi_namespace_node);
525                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
526                         break;
527
528                 case ACPI_DESC_TYPE_OPERAND:
529
530                         obj_type = obj_desc->common.type;
531
532                         if (obj_type > ACPI_TYPE_LOCAL_MAX) {
533                                 acpi_os_printf
534                                     ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
535                                      obj_type);
536                                 bytes_to_dump = 32;
537                         } else {
538                                 acpi_os_printf
539                                     ("(Pointer to ACPI Object type %.2X [%s])\n",
540                                      obj_type, acpi_ut_get_type_name(obj_type));
541                                 bytes_to_dump =
542                                     sizeof(union acpi_operand_object);
543                         }
544
545                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
546                         break;
547
548                 default:
549
550                         break;
551                 }
552
553                 /* If value is NOT an internal object, we are done */
554
555                 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
556                     ACPI_DESC_TYPE_OPERAND) {
557                         goto cleanup;
558                 }
559
560                 /* Valid object, get the pointer to next level, if any */
561
562                 switch (obj_type) {
563                 case ACPI_TYPE_BUFFER:
564                 case ACPI_TYPE_STRING:
565                         /*
566                          * NOTE: takes advantage of common fields between string/buffer
567                          */
568                         bytes_to_dump = obj_desc->string.length;
569                         obj_desc = (void *)obj_desc->string.pointer;
570                         acpi_os_printf("(Buffer/String pointer %p length %X)\n",
571                                        obj_desc, bytes_to_dump);
572                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
573                         goto cleanup;
574
575                 case ACPI_TYPE_BUFFER_FIELD:
576                         obj_desc =
577                             (union acpi_operand_object *)obj_desc->buffer_field.
578                             buffer_obj;
579                         break;
580
581                 case ACPI_TYPE_PACKAGE:
582                         obj_desc = (void *)obj_desc->package.elements;
583                         break;
584
585                 case ACPI_TYPE_METHOD:
586                         obj_desc = (void *)obj_desc->method.aml_start;
587                         break;
588
589                 case ACPI_TYPE_LOCAL_REGION_FIELD:
590                         obj_desc = (void *)obj_desc->field.region_obj;
591                         break;
592
593                 case ACPI_TYPE_LOCAL_BANK_FIELD:
594                         obj_desc = (void *)obj_desc->bank_field.region_obj;
595                         break;
596
597                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
598                         obj_desc = (void *)obj_desc->index_field.index_obj;
599                         break;
600
601                 default:
602                         goto cleanup;
603                 }
604
605                 obj_type = ACPI_TYPE_INVALID;   /* Terminate loop after next pass */
606         }
607
608       cleanup:
609         acpi_os_printf("\n");
610         return (AE_OK);
611 }
612
613 #ifdef ACPI_FUTURE_USAGE
614 /*******************************************************************************
615  *
616  * FUNCTION:    acpi_ns_dump_objects
617  *
618  * PARAMETERS:  Type                - Object type to be dumped
619  *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
620  *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
621  *                                    for an effectively unlimited depth.
622  *              owner_id            - Dump only objects owned by this ID. Use
623  *                                    ACPI_UINT32_MAX to match all owners.
624  *              start_handle        - Where in namespace to start/end search
625  *
626  * RETURN:      None
627  *
628  * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
629  *              acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
630  *
631  ******************************************************************************/
632
633 void
634 acpi_ns_dump_objects(acpi_object_type type,
635                      u8 display_type,
636                      u32 max_depth,
637                      acpi_owner_id owner_id, acpi_handle start_handle)
638 {
639         struct acpi_walk_info info;
640         acpi_status status;
641
642         ACPI_FUNCTION_ENTRY();
643
644         /*
645          * Just lock the entire namespace for the duration of the dump.
646          * We don't want any changes to the namespace during this time,
647          * especially the temporary nodes since we are going to display
648          * them also.
649          */
650         status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
651         if (ACPI_FAILURE(status)) {
652                 acpi_os_printf("Could not acquire namespace mutex\n");
653                 return;
654         }
655
656         info.debug_level = ACPI_LV_TABLES;
657         info.owner_id = owner_id;
658         info.display_type = display_type;
659
660         (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
661                                      ACPI_NS_WALK_NO_UNLOCK |
662                                      ACPI_NS_WALK_TEMP_NODES,
663                                      acpi_ns_dump_one_object, NULL,
664                                      (void *)&info, NULL);
665
666         (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
667 }
668 #endif                          /* ACPI_FUTURE_USAGE */
669
670 /*******************************************************************************
671  *
672  * FUNCTION:    acpi_ns_dump_entry
673  *
674  * PARAMETERS:  Handle              - Node to be dumped
675  *              debug_level         - Output level
676  *
677  * RETURN:      None
678  *
679  * DESCRIPTION: Dump a single Node
680  *
681  ******************************************************************************/
682
683 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
684 {
685         struct acpi_walk_info info;
686
687         ACPI_FUNCTION_ENTRY();
688
689         info.debug_level = debug_level;
690         info.owner_id = ACPI_OWNER_ID_MAX;
691         info.display_type = ACPI_DISPLAY_SUMMARY;
692
693         (void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
694 }
695
696 #ifdef ACPI_ASL_COMPILER
697 /*******************************************************************************
698  *
699  * FUNCTION:    acpi_ns_dump_tables
700  *
701  * PARAMETERS:  search_base         - Root of subtree to be dumped, or
702  *                                    NS_ALL to dump the entire namespace
703  *              max_depth           - Maximum depth of dump.  Use INT_MAX
704  *                                    for an effectively unlimited depth.
705  *
706  * RETURN:      None
707  *
708  * DESCRIPTION: Dump the name space, or a portion of it.
709  *
710  ******************************************************************************/
711
712 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
713 {
714         acpi_handle search_handle = search_base;
715
716         ACPI_FUNCTION_TRACE(ns_dump_tables);
717
718         if (!acpi_gbl_root_node) {
719                 /*
720                  * If the name space has not been initialized,
721                  * there is nothing to dump.
722                  */
723                 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
724                                   "namespace not initialized!\n"));
725                 return_VOID;
726         }
727
728         if (ACPI_NS_ALL == search_base) {
729
730                 /* Entire namespace */
731
732                 search_handle = acpi_gbl_root_node;
733                 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
734         }
735
736         acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
737                              ACPI_OWNER_ID_MAX, search_handle);
738         return_VOID;
739 }
740 #endif                          /* _ACPI_ASL_COMPILER */
741 #endif                          /* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */