xref: /openbmc/linux/drivers/acpi/acpica/nsdump.c (revision 63dc02bd)
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) */
742