]> Pileus Git - ~andy/linux/blob - drivers/acpi/acpica/nsdump.c
Merge tag 'v3.9-rc3' into drm-intel-next-queued
[~andy/linux] / drivers / acpi / acpica / nsdump.c
1 /******************************************************************************
2  *
3  * Module Name: nsdump - table dumping routines for debug
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2013, 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 #include <acpi/acoutput.h>
48
49 #define _COMPONENT          ACPI_NAMESPACE
50 ACPI_MODULE_NAME("nsdump")
51
52 /* Local prototypes */
53 #ifdef ACPI_OBSOLETE_FUNCTIONS
54 void acpi_ns_dump_root_devices(void);
55
56 static acpi_status
57 acpi_ns_dump_one_device(acpi_handle obj_handle,
58                         u32 level, void *context, void **return_value);
59 #endif
60
61 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
62 /*******************************************************************************
63  *
64  * FUNCTION:    acpi_ns_print_pathname
65  *
66  * PARAMETERS:  num_segments        - Number of ACPI name segments
67  *              pathname            - The compressed (internal) path
68  *
69  * RETURN:      None
70  *
71  * DESCRIPTION: Print an object's full namespace pathname
72  *
73  ******************************************************************************/
74
75 void acpi_ns_print_pathname(u32 num_segments, char *pathname)
76 {
77         u32 i;
78
79         ACPI_FUNCTION_NAME(ns_print_pathname);
80
81         /* Check if debug output enabled */
82
83         if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_NAMES, ACPI_NAMESPACE)) {
84                 return;
85         }
86
87         /* Print the entire name */
88
89         ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "["));
90
91         while (num_segments) {
92                 for (i = 0; i < 4; i++) {
93                         ACPI_IS_PRINT(pathname[i]) ?
94                             acpi_os_printf("%c", pathname[i]) :
95                             acpi_os_printf("?");
96                 }
97
98                 pathname += ACPI_NAME_SIZE;
99                 num_segments--;
100                 if (num_segments) {
101                         acpi_os_printf(".");
102                 }
103         }
104
105         acpi_os_printf("]\n");
106 }
107
108 /*******************************************************************************
109  *
110  * FUNCTION:    acpi_ns_dump_pathname
111  *
112  * PARAMETERS:  handle              - Object
113  *              msg                 - Prefix message
114  *              level               - Desired debug level
115  *              component           - Caller's component ID
116  *
117  * RETURN:      None
118  *
119  * DESCRIPTION: Print an object's full namespace pathname
120  *              Manages allocation/freeing of a pathname buffer
121  *
122  ******************************************************************************/
123
124 void
125 acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
126 {
127
128         ACPI_FUNCTION_TRACE(ns_dump_pathname);
129
130         /* Do this only if the requested debug level and component are enabled */
131
132         if (!ACPI_IS_DEBUG_ENABLED(level, component)) {
133                 return_VOID;
134         }
135
136         /* Convert handle to a full pathname and print it (with supplied message) */
137
138         acpi_ns_print_node_pathname(handle, msg);
139         acpi_os_printf("\n");
140         return_VOID;
141 }
142
143 /*******************************************************************************
144  *
145  * FUNCTION:    acpi_ns_dump_one_object
146  *
147  * PARAMETERS:  obj_handle          - Node to be dumped
148  *              level               - Nesting level of the handle
149  *              context             - Passed into walk_namespace
150  *              return_value        - Not used
151  *
152  * RETURN:      Status
153  *
154  * DESCRIPTION: Dump a single Node
155  *              This procedure is a user_function called by acpi_ns_walk_namespace.
156  *
157  ******************************************************************************/
158
159 acpi_status
160 acpi_ns_dump_one_object(acpi_handle obj_handle,
161                         u32 level, void *context, void **return_value)
162 {
163         struct acpi_walk_info *info = (struct acpi_walk_info *)context;
164         struct acpi_namespace_node *this_node;
165         union acpi_operand_object *obj_desc = NULL;
166         acpi_object_type obj_type;
167         acpi_object_type type;
168         u32 bytes_to_dump;
169         u32 dbg_level;
170         u32 i;
171
172         ACPI_FUNCTION_NAME(ns_dump_one_object);
173
174         /* Is output enabled? */
175
176         if (!(acpi_dbg_level & info->debug_level)) {
177                 return (AE_OK);
178         }
179
180         if (!obj_handle) {
181                 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Null object handle\n"));
182                 return (AE_OK);
183         }
184
185         this_node = acpi_ns_validate_handle(obj_handle);
186         if (!this_node) {
187                 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
188                                   obj_handle));
189                 return (AE_OK);
190         }
191
192         type = this_node->type;
193
194         /* Check if the owner matches */
195
196         if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
197             (info->owner_id != this_node->owner_id)) {
198                 return (AE_OK);
199         }
200
201         if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
202
203                 /* Indent the object according to the level */
204
205                 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
206
207                 /* Check the node type and name */
208
209                 if (type > ACPI_TYPE_LOCAL_MAX) {
210                         ACPI_WARNING((AE_INFO,
211                                       "Invalid ACPI Object Type 0x%08X", type));
212                 }
213
214                 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
215         }
216
217         /* Now we can print out the pertinent information */
218
219         acpi_os_printf(" %-12s %p %2.2X ",
220                        acpi_ut_get_type_name(type), this_node,
221                        this_node->owner_id);
222
223         dbg_level = acpi_dbg_level;
224         acpi_dbg_level = 0;
225         obj_desc = acpi_ns_get_attached_object(this_node);
226         acpi_dbg_level = dbg_level;
227
228         /* Temp nodes are those nodes created by a control method */
229
230         if (this_node->flags & ANOBJ_TEMPORARY) {
231                 acpi_os_printf("(T) ");
232         }
233
234         switch (info->display_type & ACPI_DISPLAY_MASK) {
235         case ACPI_DISPLAY_SUMMARY:
236
237                 if (!obj_desc) {
238
239                         /* No attached object. Some types should always have an object */
240
241                         switch (type) {
242                         case ACPI_TYPE_INTEGER:
243                         case ACPI_TYPE_PACKAGE:
244                         case ACPI_TYPE_BUFFER:
245                         case ACPI_TYPE_STRING:
246                         case ACPI_TYPE_METHOD:
247                                 acpi_os_printf("<No attached object>");
248                                 break;
249
250                         default:
251                                 break;
252                         }
253
254                         acpi_os_printf("\n");
255                         return (AE_OK);
256                 }
257
258                 switch (type) {
259                 case ACPI_TYPE_PROCESSOR:
260
261                         acpi_os_printf("ID %02X Len %02X Addr %p\n",
262                                        obj_desc->processor.proc_id,
263                                        obj_desc->processor.length,
264                                        ACPI_CAST_PTR(void,
265                                                      obj_desc->processor.
266                                                      address));
267                         break;
268
269                 case ACPI_TYPE_DEVICE:
270
271                         acpi_os_printf("Notify Object: %p\n", obj_desc);
272                         break;
273
274                 case ACPI_TYPE_METHOD:
275
276                         acpi_os_printf("Args %X Len %.4X Aml %p\n",
277                                        (u32) obj_desc->method.param_count,
278                                        obj_desc->method.aml_length,
279                                        obj_desc->method.aml_start);
280                         break;
281
282                 case ACPI_TYPE_INTEGER:
283
284                         acpi_os_printf("= %8.8X%8.8X\n",
285                                        ACPI_FORMAT_UINT64(obj_desc->integer.
286                                                           value));
287                         break;
288
289                 case ACPI_TYPE_PACKAGE:
290
291                         if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
292                                 acpi_os_printf("Elements %.2X\n",
293                                                obj_desc->package.count);
294                         } else {
295                                 acpi_os_printf("[Length not yet evaluated]\n");
296                         }
297                         break;
298
299                 case ACPI_TYPE_BUFFER:
300
301                         if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
302                                 acpi_os_printf("Len %.2X",
303                                                obj_desc->buffer.length);
304
305                                 /* Dump some of the buffer */
306
307                                 if (obj_desc->buffer.length > 0) {
308                                         acpi_os_printf(" =");
309                                         for (i = 0;
310                                              (i < obj_desc->buffer.length
311                                               && i < 12); i++) {
312                                                 acpi_os_printf(" %.2hX",
313                                                                obj_desc->buffer.
314                                                                pointer[i]);
315                                         }
316                                 }
317                                 acpi_os_printf("\n");
318                         } else {
319                                 acpi_os_printf("[Length not yet evaluated]\n");
320                         }
321                         break;
322
323                 case ACPI_TYPE_STRING:
324
325                         acpi_os_printf("Len %.2X ", obj_desc->string.length);
326                         acpi_ut_print_string(obj_desc->string.pointer, 32);
327                         acpi_os_printf("\n");
328                         break;
329
330                 case ACPI_TYPE_REGION:
331
332                         acpi_os_printf("[%s]",
333                                        acpi_ut_get_region_name(obj_desc->region.
334                                                                space_id));
335                         if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
336                                 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
337                                                ACPI_FORMAT_NATIVE_UINT
338                                                (obj_desc->region.address),
339                                                obj_desc->region.length);
340                         } else {
341                                 acpi_os_printf
342                                     (" [Address/Length not yet evaluated]\n");
343                         }
344                         break;
345
346                 case ACPI_TYPE_LOCAL_REFERENCE:
347
348                         acpi_os_printf("[%s]\n",
349                                        acpi_ut_get_reference_name(obj_desc));
350                         break;
351
352                 case ACPI_TYPE_BUFFER_FIELD:
353
354                         if (obj_desc->buffer_field.buffer_obj &&
355                             obj_desc->buffer_field.buffer_obj->buffer.node) {
356                                 acpi_os_printf("Buf [%4.4s]",
357                                                acpi_ut_get_node_name(obj_desc->
358                                                                      buffer_field.
359                                                                      buffer_obj->
360                                                                      buffer.
361                                                                      node));
362                         }
363                         break;
364
365                 case ACPI_TYPE_LOCAL_REGION_FIELD:
366
367                         acpi_os_printf("Rgn [%4.4s]",
368                                        acpi_ut_get_node_name(obj_desc->
369                                                              common_field.
370                                                              region_obj->region.
371                                                              node));
372                         break;
373
374                 case ACPI_TYPE_LOCAL_BANK_FIELD:
375
376                         acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
377                                        acpi_ut_get_node_name(obj_desc->
378                                                              common_field.
379                                                              region_obj->region.
380                                                              node),
381                                        acpi_ut_get_node_name(obj_desc->
382                                                              bank_field.
383                                                              bank_obj->
384                                                              common_field.
385                                                              node));
386                         break;
387
388                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
389
390                         acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
391                                        acpi_ut_get_node_name(obj_desc->
392                                                              index_field.
393                                                              index_obj->
394                                                              common_field.node),
395                                        acpi_ut_get_node_name(obj_desc->
396                                                              index_field.
397                                                              data_obj->
398                                                              common_field.
399                                                              node));
400                         break;
401
402                 case ACPI_TYPE_LOCAL_ALIAS:
403                 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
404
405                         acpi_os_printf("Target %4.4s (%p)\n",
406                                        acpi_ut_get_node_name(obj_desc),
407                                        obj_desc);
408                         break;
409
410                 default:
411
412                         acpi_os_printf("Object %p\n", obj_desc);
413                         break;
414                 }
415
416                 /* Common field handling */
417
418                 switch (type) {
419                 case ACPI_TYPE_BUFFER_FIELD:
420                 case ACPI_TYPE_LOCAL_REGION_FIELD:
421                 case ACPI_TYPE_LOCAL_BANK_FIELD:
422                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
423
424                         acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
425                                        (obj_desc->common_field.
426                                         base_byte_offset * 8)
427                                        +
428                                        obj_desc->common_field.
429                                        start_field_bit_offset,
430                                        obj_desc->common_field.bit_length,
431                                        obj_desc->common_field.
432                                        access_byte_width);
433                         break;
434
435                 default:
436                         break;
437                 }
438                 break;
439
440         case ACPI_DISPLAY_OBJECTS:
441
442                 acpi_os_printf("O:%p", obj_desc);
443                 if (!obj_desc) {
444
445                         /* No attached object, we are done */
446
447                         acpi_os_printf("\n");
448                         return (AE_OK);
449                 }
450
451                 acpi_os_printf("(R%u)", obj_desc->common.reference_count);
452
453                 switch (type) {
454                 case ACPI_TYPE_METHOD:
455
456                         /* Name is a Method and its AML offset/length are set */
457
458                         acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
459                                        obj_desc->method.aml_length);
460                         break;
461
462                 case ACPI_TYPE_INTEGER:
463
464                         acpi_os_printf(" I:%8.8X8.8%X\n",
465                                        ACPI_FORMAT_UINT64(obj_desc->integer.
466                                                           value));
467                         break;
468
469                 case ACPI_TYPE_STRING:
470
471                         acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
472                                        obj_desc->string.length);
473                         break;
474
475                 case ACPI_TYPE_BUFFER:
476
477                         acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
478                                        obj_desc->buffer.length);
479                         break;
480
481                 default:
482
483                         acpi_os_printf("\n");
484                         break;
485                 }
486                 break;
487
488         default:
489                 acpi_os_printf("\n");
490                 break;
491         }
492
493         /* If debug turned off, done */
494
495         if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
496                 return (AE_OK);
497         }
498
499         /* If there is an attached object, display it */
500
501         dbg_level = acpi_dbg_level;
502         acpi_dbg_level = 0;
503         obj_desc = acpi_ns_get_attached_object(this_node);
504         acpi_dbg_level = dbg_level;
505
506         /* Dump attached objects */
507
508         while (obj_desc) {
509                 obj_type = ACPI_TYPE_INVALID;
510                 acpi_os_printf("Attached Object %p: ", obj_desc);
511
512                 /* Decode the type of attached object and dump the contents */
513
514                 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
515                 case ACPI_DESC_TYPE_NAMED:
516
517                         acpi_os_printf("(Ptr to Node)\n");
518                         bytes_to_dump = sizeof(struct acpi_namespace_node);
519                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
520                         break;
521
522                 case ACPI_DESC_TYPE_OPERAND:
523
524                         obj_type = obj_desc->common.type;
525
526                         if (obj_type > ACPI_TYPE_LOCAL_MAX) {
527                                 acpi_os_printf
528                                     ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
529                                      obj_type);
530                                 bytes_to_dump = 32;
531                         } else {
532                                 acpi_os_printf
533                                     ("(Pointer to ACPI Object type %.2X [%s])\n",
534                                      obj_type, acpi_ut_get_type_name(obj_type));
535                                 bytes_to_dump =
536                                     sizeof(union acpi_operand_object);
537                         }
538
539                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
540                         break;
541
542                 default:
543
544                         break;
545                 }
546
547                 /* If value is NOT an internal object, we are done */
548
549                 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
550                     ACPI_DESC_TYPE_OPERAND) {
551                         goto cleanup;
552                 }
553
554                 /* Valid object, get the pointer to next level, if any */
555
556                 switch (obj_type) {
557                 case ACPI_TYPE_BUFFER:
558                 case ACPI_TYPE_STRING:
559                         /*
560                          * NOTE: takes advantage of common fields between string/buffer
561                          */
562                         bytes_to_dump = obj_desc->string.length;
563                         obj_desc = (void *)obj_desc->string.pointer;
564                         acpi_os_printf("(Buffer/String pointer %p length %X)\n",
565                                        obj_desc, bytes_to_dump);
566                         ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
567                         goto cleanup;
568
569                 case ACPI_TYPE_BUFFER_FIELD:
570                         obj_desc =
571                             (union acpi_operand_object *)obj_desc->buffer_field.
572                             buffer_obj;
573                         break;
574
575                 case ACPI_TYPE_PACKAGE:
576                         obj_desc = (void *)obj_desc->package.elements;
577                         break;
578
579                 case ACPI_TYPE_METHOD:
580                         obj_desc = (void *)obj_desc->method.aml_start;
581                         break;
582
583                 case ACPI_TYPE_LOCAL_REGION_FIELD:
584                         obj_desc = (void *)obj_desc->field.region_obj;
585                         break;
586
587                 case ACPI_TYPE_LOCAL_BANK_FIELD:
588                         obj_desc = (void *)obj_desc->bank_field.region_obj;
589                         break;
590
591                 case ACPI_TYPE_LOCAL_INDEX_FIELD:
592                         obj_desc = (void *)obj_desc->index_field.index_obj;
593                         break;
594
595                 default:
596                         goto cleanup;
597                 }
598
599                 obj_type = ACPI_TYPE_INVALID;   /* Terminate loop after next pass */
600         }
601
602       cleanup:
603         acpi_os_printf("\n");
604         return (AE_OK);
605 }
606
607 #ifdef ACPI_FUTURE_USAGE
608 /*******************************************************************************
609  *
610  * FUNCTION:    acpi_ns_dump_objects
611  *
612  * PARAMETERS:  type                - Object type to be dumped
613  *              display_type        - 0 or ACPI_DISPLAY_SUMMARY
614  *              max_depth           - Maximum depth of dump. Use ACPI_UINT32_MAX
615  *                                    for an effectively unlimited depth.
616  *              owner_id            - Dump only objects owned by this ID. Use
617  *                                    ACPI_UINT32_MAX to match all owners.
618  *              start_handle        - Where in namespace to start/end search
619  *
620  * RETURN:      None
621  *
622  * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
623  *              acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
624  *
625  ******************************************************************************/
626
627 void
628 acpi_ns_dump_objects(acpi_object_type type,
629                      u8 display_type,
630                      u32 max_depth,
631                      acpi_owner_id owner_id, acpi_handle start_handle)
632 {
633         struct acpi_walk_info info;
634         acpi_status status;
635
636         ACPI_FUNCTION_ENTRY();
637
638         /*
639          * Just lock the entire namespace for the duration of the dump.
640          * We don't want any changes to the namespace during this time,
641          * especially the temporary nodes since we are going to display
642          * them also.
643          */
644         status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
645         if (ACPI_FAILURE(status)) {
646                 acpi_os_printf("Could not acquire namespace mutex\n");
647                 return;
648         }
649
650         info.debug_level = ACPI_LV_TABLES;
651         info.owner_id = owner_id;
652         info.display_type = display_type;
653
654         (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
655                                      ACPI_NS_WALK_NO_UNLOCK |
656                                      ACPI_NS_WALK_TEMP_NODES,
657                                      acpi_ns_dump_one_object, NULL,
658                                      (void *)&info, NULL);
659
660         (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
661 }
662 #endif                          /* ACPI_FUTURE_USAGE */
663
664 /*******************************************************************************
665  *
666  * FUNCTION:    acpi_ns_dump_entry
667  *
668  * PARAMETERS:  handle              - Node to be dumped
669  *              debug_level         - Output level
670  *
671  * RETURN:      None
672  *
673  * DESCRIPTION: Dump a single Node
674  *
675  ******************************************************************************/
676
677 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
678 {
679         struct acpi_walk_info info;
680
681         ACPI_FUNCTION_ENTRY();
682
683         info.debug_level = debug_level;
684         info.owner_id = ACPI_OWNER_ID_MAX;
685         info.display_type = ACPI_DISPLAY_SUMMARY;
686
687         (void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
688 }
689
690 #ifdef ACPI_ASL_COMPILER
691 /*******************************************************************************
692  *
693  * FUNCTION:    acpi_ns_dump_tables
694  *
695  * PARAMETERS:  search_base         - Root of subtree to be dumped, or
696  *                                    NS_ALL to dump the entire namespace
697  *              max_depth           - Maximum depth of dump. Use INT_MAX
698  *                                    for an effectively unlimited depth.
699  *
700  * RETURN:      None
701  *
702  * DESCRIPTION: Dump the name space, or a portion of it.
703  *
704  ******************************************************************************/
705
706 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
707 {
708         acpi_handle search_handle = search_base;
709
710         ACPI_FUNCTION_TRACE(ns_dump_tables);
711
712         if (!acpi_gbl_root_node) {
713                 /*
714                  * If the name space has not been initialized,
715                  * there is nothing to dump.
716                  */
717                 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
718                                   "namespace not initialized!\n"));
719                 return_VOID;
720         }
721
722         if (ACPI_NS_ALL == search_base) {
723
724                 /* Entire namespace */
725
726                 search_handle = acpi_gbl_root_node;
727                 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
728         }
729
730         acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
731                              ACPI_OWNER_ID_MAX, search_handle);
732         return_VOID;
733 }
734 #endif
735 #endif