xref: /freebsd/sys/contrib/dev/acpica/components/namespace/nsdump.c (revision 56e53cb8ef000c3ef72337a4095987a932cdedef)
1 /******************************************************************************
2  *
3  * Module Name: nsdump - table dumping routines for debug
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12  * All rights reserved.
13  *
14  * 2. License
15  *
16  * 2.1. This is your license from Intel Corp. under its intellectual property
17  * rights. You may have additional license terms from the party that provided
18  * you this software, covering your right to use that party's intellectual
19  * property rights.
20  *
21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22  * copy of the source code appearing in this file ("Covered Code") an
23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24  * base code distributed originally by Intel ("Original Intel Code") to copy,
25 
26  * make derivatives, distribute, use and display any portion of the Covered
27  * Code in any form, with the right to sublicense such rights; and
28  *
29  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30  * license (with the right to sublicense), under only those claims of Intel
31  * patents that are infringed by the Original Intel Code, to make, use, sell,
32  * offer to sell, and import the Covered Code and derivative works thereof
33  * solely to the minimum extent necessary to exercise the above copyright
34  * license, and in no event shall the patent license extend to any additions
35  * to or modifications of the Original Intel Code. No other license or right
36  * is granted directly or by implication, estoppel or otherwise;
37  *
38  * The above copyright and patent license is granted only if the following
39  * conditions are met:
40  *
41  * 3. Conditions
42  *
43  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44  * Redistribution of source code of any substantial portion of the Covered
45  * Code or modification with rights to further distribute source must include
46  * the above Copyright Notice, the above License, this list of Conditions,
47  * and the following Disclaimer and Export Compliance provision. In addition,
48  * Licensee must cause all Covered Code to which Licensee contributes to
49  * contain a file documenting the changes Licensee made to create that Covered
50  * Code and the date of any change. Licensee must include in that file the
51  * documentation of any changes made by any predecessor Licensee. Licensee
52  * must include a prominent statement that the modification is derived,
53  * directly or indirectly, from Original Intel Code.
54  *
55  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56  * Redistribution of source code of any substantial portion of the Covered
57  * Code or modification without rights to further distribute source must
58  * include the following Disclaimer and Export Compliance provision in the
59  * documentation and/or other materials provided with distribution. In
60  * addition, Licensee may not authorize further sublicense of source of any
61  * portion of the Covered Code, and must include terms to the effect that the
62  * license from Licensee to its licensee is limited to the intellectual
63  * property embodied in the software Licensee provides to its licensee, and
64  * not to intellectual property embodied in modifications its licensee may
65  * make.
66  *
67  * 3.3. Redistribution of Executable. Redistribution in executable form of any
68  * substantial portion of the Covered Code or modification must reproduce the
69  * above Copyright Notice, and the following Disclaimer and Export Compliance
70  * provision in the documentation and/or other materials provided with the
71  * distribution.
72  *
73  * 3.4. Intel retains all right, title, and interest in and to the Original
74  * Intel Code.
75  *
76  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77  * Intel shall be used in advertising or otherwise to promote the sale, use or
78  * other dealings in products derived from or relating to the Covered Code
79  * without prior written authorization from Intel.
80  *
81  * 4. Disclaimer and Export Compliance
82  *
83  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89  * PARTICULAR PURPOSE.
90  *
91  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98  * LIMITED REMEDY.
99  *
100  * 4.3. Licensee shall not export, either directly or indirectly, any of this
101  * software or system incorporating such software without first obtaining any
102  * required license or other approval from the U. S. Department of Commerce or
103  * any other agency or department of the United States Government. In the
104  * event Licensee exports any such software from the United States or
105  * re-exports any such software from a foreign destination, Licensee shall
106  * ensure that the distribution and export/re-export of the software is in
107  * compliance with all laws, regulations, orders, or other restrictions of the
108  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109  * any of its subsidiaries will export/re-export any technical data, process,
110  * software, or service, directly or indirectly, to any country for which the
111  * United States government or any agency thereof requires an export license,
112  * other governmental approval, or letter of assurance, without first obtaining
113  * such license, approval or letter.
114  *
115  *****************************************************************************
116  *
117  * Alternatively, you may choose to be licensed under the terms of the
118  * following license:
119  *
120  * Redistribution and use in source and binary forms, with or without
121  * modification, are permitted provided that the following conditions
122  * are met:
123  * 1. Redistributions of source code must retain the above copyright
124  *    notice, this list of conditions, and the following disclaimer,
125  *    without modification.
126  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
127  *    substantially similar to the "NO WARRANTY" disclaimer below
128  *    ("Disclaimer") and any redistribution must be conditioned upon
129  *    including a substantially similar Disclaimer requirement for further
130  *    binary redistribution.
131  * 3. Neither the names of the above-listed copyright holders nor the names
132  *    of any contributors may be used to endorse or promote products derived
133  *    from this software without specific prior written permission.
134  *
135  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
136  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
137  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
138  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
139  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
140  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
141  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
142  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
143  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
144  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
145  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146  *
147  * Alternatively, you may choose to be licensed under the terms of the
148  * GNU General Public License ("GPL") version 2 as published by the Free
149  * Software Foundation.
150  *
151  *****************************************************************************/
152 
153 #include <contrib/dev/acpica/include/acpi.h>
154 #include <contrib/dev/acpica/include/accommon.h>
155 #include <contrib/dev/acpica/include/acnamesp.h>
156 #include <contrib/dev/acpica/include/acoutput.h>
157 
158 
159 #define _COMPONENT          ACPI_NAMESPACE
160         ACPI_MODULE_NAME    ("nsdump")
161 
162 /* Local prototypes */
163 
164 #ifdef ACPI_OBSOLETE_FUNCTIONS
165 void
166 AcpiNsDumpRootDevices (
167     void);
168 
169 static ACPI_STATUS
170 AcpiNsDumpOneDevice (
171     ACPI_HANDLE             ObjHandle,
172     UINT32                  Level,
173     void                    *Context,
174     void                    **ReturnValue);
175 #endif
176 
177 
178 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
179 
180 static ACPI_STATUS
181 AcpiNsDumpOneObjectPath (
182     ACPI_HANDLE             ObjHandle,
183     UINT32                  Level,
184     void                    *Context,
185     void                    **ReturnValue);
186 
187 static ACPI_STATUS
188 AcpiNsGetMaxDepth (
189     ACPI_HANDLE             ObjHandle,
190     UINT32                  Level,
191     void                    *Context,
192     void                    **ReturnValue);
193 
194 
195 /*******************************************************************************
196  *
197  * FUNCTION:    AcpiNsPrintPathname
198  *
199  * PARAMETERS:  NumSegments         - Number of ACPI name segments
200  *              Pathname            - The compressed (internal) path
201  *
202  * RETURN:      None
203  *
204  * DESCRIPTION: Print an object's full namespace pathname
205  *
206  ******************************************************************************/
207 
208 void
209 AcpiNsPrintPathname (
210     UINT32                  NumSegments,
211     const char              *Pathname)
212 {
213     UINT32                  i;
214 
215 
216     ACPI_FUNCTION_NAME (NsPrintPathname);
217 
218 
219     /* Check if debug output enabled */
220 
221     if (!ACPI_IS_DEBUG_ENABLED (ACPI_LV_NAMES, ACPI_NAMESPACE))
222     {
223         return;
224     }
225 
226     /* Print the entire name */
227 
228     ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "["));
229 
230     while (NumSegments)
231     {
232         for (i = 0; i < 4; i++)
233         {
234             isprint ((int) Pathname[i]) ?
235                 AcpiOsPrintf ("%c", Pathname[i]) :
236                 AcpiOsPrintf ("?");
237         }
238 
239         Pathname += ACPI_NAME_SIZE;
240         NumSegments--;
241         if (NumSegments)
242         {
243             AcpiOsPrintf (".");
244         }
245     }
246 
247     AcpiOsPrintf ("]\n");
248 }
249 
250 
251 #ifdef ACPI_OBSOLETE_FUNCTIONS
252 /* Not used at this time, perhaps later */
253 
254 /*******************************************************************************
255  *
256  * FUNCTION:    AcpiNsDumpPathname
257  *
258  * PARAMETERS:  Handle              - Object
259  *              Msg                 - Prefix message
260  *              Level               - Desired debug level
261  *              Component           - Caller's component ID
262  *
263  * RETURN:      None
264  *
265  * DESCRIPTION: Print an object's full namespace pathname
266  *              Manages allocation/freeing of a pathname buffer
267  *
268  ******************************************************************************/
269 
270 void
271 AcpiNsDumpPathname (
272     ACPI_HANDLE             Handle,
273     const char              *Msg,
274     UINT32                  Level,
275     UINT32                  Component)
276 {
277 
278     ACPI_FUNCTION_TRACE (NsDumpPathname);
279 
280 
281     /* Do this only if the requested debug level and component are enabled */
282 
283     if (!ACPI_IS_DEBUG_ENABLED (Level, Component))
284     {
285         return_VOID;
286     }
287 
288     /* Convert handle to a full pathname and print it (with supplied message) */
289 
290     AcpiNsPrintNodePathname (Handle, Msg);
291     AcpiOsPrintf ("\n");
292     return_VOID;
293 }
294 #endif
295 
296 /*******************************************************************************
297  *
298  * FUNCTION:    AcpiNsDumpOneObject
299  *
300  * PARAMETERS:  ObjHandle           - Node to be dumped
301  *              Level               - Nesting level of the handle
302  *              Context             - Passed into WalkNamespace
303  *              ReturnValue         - Not used
304  *
305  * RETURN:      Status
306  *
307  * DESCRIPTION: Dump a single Node
308  *              This procedure is a UserFunction called by AcpiNsWalkNamespace.
309  *
310  ******************************************************************************/
311 
312 ACPI_STATUS
313 AcpiNsDumpOneObject (
314     ACPI_HANDLE             ObjHandle,
315     UINT32                  Level,
316     void                    *Context,
317     void                    **ReturnValue)
318 {
319     ACPI_WALK_INFO          *Info = (ACPI_WALK_INFO *) Context;
320     ACPI_NAMESPACE_NODE     *ThisNode;
321     ACPI_OPERAND_OBJECT     *ObjDesc = NULL;
322     ACPI_OBJECT_TYPE        ObjType;
323     ACPI_OBJECT_TYPE        Type;
324     UINT32                  BytesToDump;
325     UINT32                  DbgLevel;
326     UINT32                  i;
327 
328 
329     ACPI_FUNCTION_NAME (NsDumpOneObject);
330 
331 
332     /* Is output enabled? */
333 
334     if (!(AcpiDbgLevel & Info->DebugLevel))
335     {
336         return (AE_OK);
337     }
338 
339     if (!ObjHandle)
340     {
341         ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Null object handle\n"));
342         return (AE_OK);
343     }
344 
345     ThisNode = AcpiNsValidateHandle (ObjHandle);
346     if (!ThisNode)
347     {
348         ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Invalid object handle %p\n",
349             ObjHandle));
350         return (AE_OK);
351     }
352 
353     Type = ThisNode->Type;
354 
355     /* Check if the owner matches */
356 
357     if ((Info->OwnerId != ACPI_OWNER_ID_MAX) &&
358         (Info->OwnerId != ThisNode->OwnerId))
359     {
360         return (AE_OK);
361     }
362 
363     if (!(Info->DisplayType & ACPI_DISPLAY_SHORT))
364     {
365         /* Indent the object according to the level */
366 
367         AcpiOsPrintf ("%2d%*s", (UINT32) Level - 1, (int) Level * 2, " ");
368 
369         /* Check the node type and name */
370 
371         if (Type > ACPI_TYPE_LOCAL_MAX)
372         {
373             ACPI_WARNING ((AE_INFO,
374                 "Invalid ACPI Object Type 0x%08X", Type));
375         }
376 
377         AcpiOsPrintf ("%4.4s", AcpiUtGetNodeName (ThisNode));
378     }
379 
380     /* Now we can print out the pertinent information */
381 
382     AcpiOsPrintf (" %-12s %p %2.2X ",
383         AcpiUtGetTypeName (Type), ThisNode, ThisNode->OwnerId);
384 
385     DbgLevel = AcpiDbgLevel;
386     AcpiDbgLevel = 0;
387     ObjDesc = AcpiNsGetAttachedObject (ThisNode);
388     AcpiDbgLevel = DbgLevel;
389 
390     /* Temp nodes are those nodes created by a control method */
391 
392     if (ThisNode->Flags & ANOBJ_TEMPORARY)
393     {
394         AcpiOsPrintf ("(T) ");
395     }
396 
397     switch (Info->DisplayType & ACPI_DISPLAY_MASK)
398     {
399     case ACPI_DISPLAY_SUMMARY:
400 
401         if (!ObjDesc)
402         {
403             /* No attached object. Some types should always have an object */
404 
405             switch (Type)
406             {
407             case ACPI_TYPE_INTEGER:
408             case ACPI_TYPE_PACKAGE:
409             case ACPI_TYPE_BUFFER:
410             case ACPI_TYPE_STRING:
411             case ACPI_TYPE_METHOD:
412 
413                 AcpiOsPrintf ("<No attached object>");
414                 break;
415 
416             default:
417 
418                 break;
419             }
420 
421             AcpiOsPrintf ("\n");
422             return (AE_OK);
423         }
424 
425         switch (Type)
426         {
427         case ACPI_TYPE_PROCESSOR:
428 
429             AcpiOsPrintf ("ID %02X Len %02X Addr %8.8X%8.8X\n",
430                 ObjDesc->Processor.ProcId, ObjDesc->Processor.Length,
431                 ACPI_FORMAT_UINT64 (ObjDesc->Processor.Address));
432             break;
433 
434         case ACPI_TYPE_DEVICE:
435 
436             AcpiOsPrintf ("Notify Object: %p\n", ObjDesc);
437             break;
438 
439         case ACPI_TYPE_METHOD:
440 
441             AcpiOsPrintf ("Args %X Len %.4X Aml %p\n",
442                 (UINT32) ObjDesc->Method.ParamCount,
443                 ObjDesc->Method.AmlLength, ObjDesc->Method.AmlStart);
444             break;
445 
446         case ACPI_TYPE_INTEGER:
447 
448             AcpiOsPrintf ("= %8.8X%8.8X\n",
449                 ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
450             break;
451 
452         case ACPI_TYPE_PACKAGE:
453 
454             if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
455             {
456                 AcpiOsPrintf ("Elements %.2X\n",
457                     ObjDesc->Package.Count);
458             }
459             else
460             {
461                 AcpiOsPrintf ("[Length not yet evaluated]\n");
462             }
463             break;
464 
465         case ACPI_TYPE_BUFFER:
466 
467             if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID)
468             {
469                 AcpiOsPrintf ("Len %.2X",
470                     ObjDesc->Buffer.Length);
471 
472                 /* Dump some of the buffer */
473 
474                 if (ObjDesc->Buffer.Length > 0)
475                 {
476                     AcpiOsPrintf (" =");
477                     for (i = 0; (i < ObjDesc->Buffer.Length && i < 12); i++)
478                     {
479                         AcpiOsPrintf (" %.2hX", ObjDesc->Buffer.Pointer[i]);
480                     }
481                 }
482                 AcpiOsPrintf ("\n");
483             }
484             else
485             {
486                 AcpiOsPrintf ("[Length not yet evaluated]\n");
487             }
488             break;
489 
490         case ACPI_TYPE_STRING:
491 
492             AcpiOsPrintf ("Len %.2X ", ObjDesc->String.Length);
493             AcpiUtPrintString (ObjDesc->String.Pointer, 80);
494             AcpiOsPrintf ("\n");
495             break;
496 
497         case ACPI_TYPE_REGION:
498 
499             AcpiOsPrintf ("[%s]",
500                 AcpiUtGetRegionName (ObjDesc->Region.SpaceId));
501             if (ObjDesc->Region.Flags & AOPOBJ_DATA_VALID)
502             {
503                 AcpiOsPrintf (" Addr %8.8X%8.8X Len %.4X\n",
504                     ACPI_FORMAT_UINT64 (ObjDesc->Region.Address),
505                     ObjDesc->Region.Length);
506             }
507             else
508             {
509                 AcpiOsPrintf (" [Address/Length not yet evaluated]\n");
510             }
511             break;
512 
513         case ACPI_TYPE_LOCAL_REFERENCE:
514 
515             AcpiOsPrintf ("[%s]\n", AcpiUtGetReferenceName (ObjDesc));
516             break;
517 
518         case ACPI_TYPE_BUFFER_FIELD:
519 
520             if (ObjDesc->BufferField.BufferObj &&
521                 ObjDesc->BufferField.BufferObj->Buffer.Node)
522             {
523                 AcpiOsPrintf ("Buf [%4.4s]",
524                     AcpiUtGetNodeName (
525                         ObjDesc->BufferField.BufferObj->Buffer.Node));
526             }
527             break;
528 
529         case ACPI_TYPE_LOCAL_REGION_FIELD:
530 
531             AcpiOsPrintf ("Rgn [%4.4s]",
532                 AcpiUtGetNodeName (
533                     ObjDesc->CommonField.RegionObj->Region.Node));
534             break;
535 
536         case ACPI_TYPE_LOCAL_BANK_FIELD:
537 
538             AcpiOsPrintf ("Rgn [%4.4s] Bnk [%4.4s]",
539                 AcpiUtGetNodeName (
540                     ObjDesc->CommonField.RegionObj->Region.Node),
541                 AcpiUtGetNodeName (
542                     ObjDesc->BankField.BankObj->CommonField.Node));
543             break;
544 
545         case ACPI_TYPE_LOCAL_INDEX_FIELD:
546 
547             AcpiOsPrintf ("Idx [%4.4s] Dat [%4.4s]",
548                 AcpiUtGetNodeName (
549                     ObjDesc->IndexField.IndexObj->CommonField.Node),
550                 AcpiUtGetNodeName (
551                     ObjDesc->IndexField.DataObj->CommonField.Node));
552             break;
553 
554         case ACPI_TYPE_LOCAL_ALIAS:
555         case ACPI_TYPE_LOCAL_METHOD_ALIAS:
556 
557             AcpiOsPrintf ("Target %4.4s (%p)\n",
558                 AcpiUtGetNodeName (ObjDesc), ObjDesc);
559             break;
560 
561         default:
562 
563             AcpiOsPrintf ("Object %p\n", ObjDesc);
564             break;
565         }
566 
567         /* Common field handling */
568 
569         switch (Type)
570         {
571         case ACPI_TYPE_BUFFER_FIELD:
572         case ACPI_TYPE_LOCAL_REGION_FIELD:
573         case ACPI_TYPE_LOCAL_BANK_FIELD:
574         case ACPI_TYPE_LOCAL_INDEX_FIELD:
575 
576             AcpiOsPrintf (" Off %.3X Len %.2X Acc %.2hd\n",
577                 (ObjDesc->CommonField.BaseByteOffset * 8)
578                     + ObjDesc->CommonField.StartFieldBitOffset,
579                 ObjDesc->CommonField.BitLength,
580                 ObjDesc->CommonField.AccessByteWidth);
581             break;
582 
583         default:
584 
585             break;
586         }
587         break;
588 
589     case ACPI_DISPLAY_OBJECTS:
590 
591         AcpiOsPrintf ("O:%p", ObjDesc);
592         if (!ObjDesc)
593         {
594             /* No attached object, we are done */
595 
596             AcpiOsPrintf ("\n");
597             return (AE_OK);
598         }
599 
600         AcpiOsPrintf ("(R%u)", ObjDesc->Common.ReferenceCount);
601 
602         switch (Type)
603         {
604         case ACPI_TYPE_METHOD:
605 
606             /* Name is a Method and its AML offset/length are set */
607 
608             AcpiOsPrintf (" M:%p-%X\n", ObjDesc->Method.AmlStart,
609                 ObjDesc->Method.AmlLength);
610             break;
611 
612         case ACPI_TYPE_INTEGER:
613 
614             AcpiOsPrintf (" I:%8.8X8.8%X\n",
615                 ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
616             break;
617 
618         case ACPI_TYPE_STRING:
619 
620             AcpiOsPrintf (" S:%p-%X\n", ObjDesc->String.Pointer,
621                 ObjDesc->String.Length);
622             break;
623 
624         case ACPI_TYPE_BUFFER:
625 
626             AcpiOsPrintf (" B:%p-%X\n", ObjDesc->Buffer.Pointer,
627                 ObjDesc->Buffer.Length);
628             break;
629 
630         default:
631 
632             AcpiOsPrintf ("\n");
633             break;
634         }
635         break;
636 
637     default:
638         AcpiOsPrintf ("\n");
639         break;
640     }
641 
642     /* If debug turned off, done */
643 
644     if (!(AcpiDbgLevel & ACPI_LV_VALUES))
645     {
646         return (AE_OK);
647     }
648 
649     /* If there is an attached object, display it */
650 
651     DbgLevel = AcpiDbgLevel;
652     AcpiDbgLevel = 0;
653     ObjDesc = AcpiNsGetAttachedObject (ThisNode);
654     AcpiDbgLevel = DbgLevel;
655 
656     /* Dump attached objects */
657 
658     while (ObjDesc)
659     {
660         ObjType = ACPI_TYPE_INVALID;
661         AcpiOsPrintf ("Attached Object %p: ", ObjDesc);
662 
663         /* Decode the type of attached object and dump the contents */
664 
665         switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
666         {
667         case ACPI_DESC_TYPE_NAMED:
668 
669             AcpiOsPrintf ("(Ptr to Node)\n");
670             BytesToDump = sizeof (ACPI_NAMESPACE_NODE);
671             ACPI_DUMP_BUFFER (ObjDesc, BytesToDump);
672             break;
673 
674         case ACPI_DESC_TYPE_OPERAND:
675 
676             ObjType = ObjDesc->Common.Type;
677 
678             if (ObjType > ACPI_TYPE_LOCAL_MAX)
679             {
680                 AcpiOsPrintf (
681                     "(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
682                     ObjType);
683 
684                 BytesToDump = 32;
685             }
686             else
687             {
688                 AcpiOsPrintf (
689                     "(Pointer to ACPI Object type %.2X [%s])\n",
690                     ObjType, AcpiUtGetTypeName (ObjType));
691 
692                 BytesToDump = sizeof (ACPI_OPERAND_OBJECT);
693             }
694 
695             ACPI_DUMP_BUFFER (ObjDesc, BytesToDump);
696             break;
697 
698         default:
699 
700             break;
701         }
702 
703         /* If value is NOT an internal object, we are done */
704 
705         if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND)
706         {
707             goto Cleanup;
708         }
709 
710         /* Valid object, get the pointer to next level, if any */
711 
712         switch (ObjType)
713         {
714         case ACPI_TYPE_BUFFER:
715         case ACPI_TYPE_STRING:
716             /*
717              * NOTE: takes advantage of common fields between string/buffer
718              */
719             BytesToDump = ObjDesc->String.Length;
720             ObjDesc = (void *) ObjDesc->String.Pointer;
721 
722             AcpiOsPrintf ("(Buffer/String pointer %p length %X)\n",
723                 ObjDesc, BytesToDump);
724             ACPI_DUMP_BUFFER (ObjDesc, BytesToDump);
725             goto Cleanup;
726 
727         case ACPI_TYPE_BUFFER_FIELD:
728 
729             ObjDesc = (ACPI_OPERAND_OBJECT *) ObjDesc->BufferField.BufferObj;
730             break;
731 
732         case ACPI_TYPE_PACKAGE:
733 
734             ObjDesc = (void *) ObjDesc->Package.Elements;
735             break;
736 
737         case ACPI_TYPE_METHOD:
738 
739             ObjDesc = (void *) ObjDesc->Method.AmlStart;
740             break;
741 
742         case ACPI_TYPE_LOCAL_REGION_FIELD:
743 
744             ObjDesc = (void *) ObjDesc->Field.RegionObj;
745             break;
746 
747         case ACPI_TYPE_LOCAL_BANK_FIELD:
748 
749             ObjDesc = (void *) ObjDesc->BankField.RegionObj;
750             break;
751 
752         case ACPI_TYPE_LOCAL_INDEX_FIELD:
753 
754             ObjDesc = (void *) ObjDesc->IndexField.IndexObj;
755             break;
756 
757         default:
758 
759             goto Cleanup;
760         }
761 
762         ObjType = ACPI_TYPE_INVALID;   /* Terminate loop after next pass */
763     }
764 
765 Cleanup:
766     AcpiOsPrintf ("\n");
767     return (AE_OK);
768 }
769 
770 
771 /*******************************************************************************
772  *
773  * FUNCTION:    AcpiNsDumpObjects
774  *
775  * PARAMETERS:  Type                - Object type to be dumped
776  *              DisplayType         - 0 or ACPI_DISPLAY_SUMMARY
777  *              MaxDepth            - Maximum depth of dump. Use ACPI_UINT32_MAX
778  *                                    for an effectively unlimited depth.
779  *              OwnerId             - Dump only objects owned by this ID. Use
780  *                                    ACPI_UINT32_MAX to match all owners.
781  *              StartHandle         - Where in namespace to start/end search
782  *
783  * RETURN:      None
784  *
785  * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
786  *              AcpiNsWalkNamespace in conjunction with AcpiNsDumpOneObject.
787  *
788  ******************************************************************************/
789 
790 void
791 AcpiNsDumpObjects (
792     ACPI_OBJECT_TYPE        Type,
793     UINT8                   DisplayType,
794     UINT32                  MaxDepth,
795     ACPI_OWNER_ID           OwnerId,
796     ACPI_HANDLE             StartHandle)
797 {
798     ACPI_WALK_INFO          Info;
799     ACPI_STATUS             Status;
800 
801 
802     ACPI_FUNCTION_ENTRY ();
803 
804 
805     /*
806      * Just lock the entire namespace for the duration of the dump.
807      * We don't want any changes to the namespace during this time,
808      * especially the temporary nodes since we are going to display
809      * them also.
810      */
811     Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
812     if (ACPI_FAILURE (Status))
813     {
814         AcpiOsPrintf ("Could not acquire namespace mutex\n");
815         return;
816     }
817 
818     Info.DebugLevel = ACPI_LV_TABLES;
819     Info.OwnerId = OwnerId;
820     Info.DisplayType = DisplayType;
821 
822     (void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
823         ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
824         AcpiNsDumpOneObject, NULL, (void *) &Info, NULL);
825 
826     (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
827 }
828 
829 
830 /*******************************************************************************
831  *
832  * FUNCTION:    AcpiNsDumpOneObjectPath, AcpiNsGetMaxDepth
833  *
834  * PARAMETERS:  ObjHandle           - Node to be dumped
835  *              Level               - Nesting level of the handle
836  *              Context             - Passed into WalkNamespace
837  *              ReturnValue         - Not used
838  *
839  * RETURN:      Status
840  *
841  * DESCRIPTION: Dump the full pathname to a namespace object. AcpNsGetMaxDepth
842  *              computes the maximum nesting depth in the namespace tree, in
843  *              order to simplify formatting in AcpiNsDumpOneObjectPath.
844  *              These procedures are UserFunctions called by AcpiNsWalkNamespace.
845  *
846  ******************************************************************************/
847 
848 static ACPI_STATUS
849 AcpiNsDumpOneObjectPath (
850     ACPI_HANDLE             ObjHandle,
851     UINT32                  Level,
852     void                    *Context,
853     void                    **ReturnValue)
854 {
855     UINT32                  MaxLevel = *((UINT32 *) Context);
856     char                    *Pathname;
857     ACPI_NAMESPACE_NODE     *Node;
858     int                     PathIndent;
859 
860 
861     if (!ObjHandle)
862     {
863         return (AE_OK);
864     }
865 
866     Node = AcpiNsValidateHandle (ObjHandle);
867     if (!Node)
868     {
869         /* Ignore bad node during namespace walk */
870 
871         return (AE_OK);
872     }
873 
874     Pathname = AcpiNsGetNormalizedPathname (Node, TRUE);
875 
876     PathIndent = 1;
877     if (Level <= MaxLevel)
878     {
879         PathIndent = MaxLevel - Level + 1;
880     }
881 
882     AcpiOsPrintf ("%2d%*s%-12s%*s",
883         Level, Level, " ", AcpiUtGetTypeName (Node->Type),
884         PathIndent, " ");
885 
886     AcpiOsPrintf ("%s\n", &Pathname[1]);
887     ACPI_FREE (Pathname);
888     return (AE_OK);
889 }
890 
891 
892 static ACPI_STATUS
893 AcpiNsGetMaxDepth (
894     ACPI_HANDLE             ObjHandle,
895     UINT32                  Level,
896     void                    *Context,
897     void                    **ReturnValue)
898 {
899     UINT32                  *MaxLevel = (UINT32 *) Context;
900 
901 
902     if (Level > *MaxLevel)
903     {
904         *MaxLevel = Level;
905     }
906     return (AE_OK);
907 }
908 
909 
910 /*******************************************************************************
911  *
912  * FUNCTION:    AcpiNsDumpObjectPaths
913  *
914  * PARAMETERS:  Type                - Object type to be dumped
915  *              DisplayType         - 0 or ACPI_DISPLAY_SUMMARY
916  *              MaxDepth            - Maximum depth of dump. Use ACPI_UINT32_MAX
917  *                                    for an effectively unlimited depth.
918  *              OwnerId             - Dump only objects owned by this ID. Use
919  *                                    ACPI_UINT32_MAX to match all owners.
920  *              StartHandle         - Where in namespace to start/end search
921  *
922  * RETURN:      None
923  *
924  * DESCRIPTION: Dump full object pathnames within the loaded namespace. Uses
925  *              AcpiNsWalkNamespace in conjunction with AcpiNsDumpOneObjectPath.
926  *
927  ******************************************************************************/
928 
929 void
930 AcpiNsDumpObjectPaths (
931     ACPI_OBJECT_TYPE        Type,
932     UINT8                   DisplayType,
933     UINT32                  MaxDepth,
934     ACPI_OWNER_ID           OwnerId,
935     ACPI_HANDLE             StartHandle)
936 {
937     ACPI_STATUS             Status;
938     UINT32                  MaxLevel = 0;
939 
940 
941     ACPI_FUNCTION_ENTRY ();
942 
943 
944     /*
945      * Just lock the entire namespace for the duration of the dump.
946      * We don't want any changes to the namespace during this time,
947      * especially the temporary nodes since we are going to display
948      * them also.
949      */
950     Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
951     if (ACPI_FAILURE (Status))
952     {
953         AcpiOsPrintf ("Could not acquire namespace mutex\n");
954         return;
955     }
956 
957     /* Get the max depth of the namespace tree, for formatting later */
958 
959     (void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
960         ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
961         AcpiNsGetMaxDepth, NULL, (void *) &MaxLevel, NULL);
962 
963     /* Now dump the entire namespace */
964 
965     (void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
966         ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
967         AcpiNsDumpOneObjectPath, NULL, (void *) &MaxLevel, NULL);
968 
969     (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
970 }
971 
972 
973 /*******************************************************************************
974  *
975  * FUNCTION:    AcpiNsDumpEntry
976  *
977  * PARAMETERS:  Handle              - Node to be dumped
978  *              DebugLevel          - Output level
979  *
980  * RETURN:      None
981  *
982  * DESCRIPTION: Dump a single Node
983  *
984  ******************************************************************************/
985 
986 void
987 AcpiNsDumpEntry (
988     ACPI_HANDLE             Handle,
989     UINT32                  DebugLevel)
990 {
991     ACPI_WALK_INFO          Info;
992 
993 
994     ACPI_FUNCTION_ENTRY ();
995 
996 
997     Info.DebugLevel = DebugLevel;
998     Info.OwnerId = ACPI_OWNER_ID_MAX;
999     Info.DisplayType = ACPI_DISPLAY_SUMMARY;
1000 
1001     (void) AcpiNsDumpOneObject (Handle, 1, &Info, NULL);
1002 }
1003 
1004 
1005 #ifdef ACPI_ASL_COMPILER
1006 /*******************************************************************************
1007  *
1008  * FUNCTION:    AcpiNsDumpTables
1009  *
1010  * PARAMETERS:  SearchBase          - Root of subtree to be dumped, or
1011  *                                    NS_ALL to dump the entire namespace
1012  *              MaxDepth            - Maximum depth of dump. Use INT_MAX
1013  *                                    for an effectively unlimited depth.
1014  *
1015  * RETURN:      None
1016  *
1017  * DESCRIPTION: Dump the name space, or a portion of it.
1018  *
1019  ******************************************************************************/
1020 
1021 void
1022 AcpiNsDumpTables (
1023     ACPI_HANDLE             SearchBase,
1024     UINT32                  MaxDepth)
1025 {
1026     ACPI_HANDLE             SearchHandle = SearchBase;
1027 
1028 
1029     ACPI_FUNCTION_TRACE (NsDumpTables);
1030 
1031 
1032     if (!AcpiGbl_RootNode)
1033     {
1034         /*
1035          * If the name space has not been initialized,
1036          * there is nothing to dump.
1037          */
1038         ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
1039             "namespace not initialized!\n"));
1040         return_VOID;
1041     }
1042 
1043     if (ACPI_NS_ALL == SearchBase)
1044     {
1045         /* Entire namespace */
1046 
1047         SearchHandle = AcpiGbl_RootNode;
1048         ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "\\\n"));
1049     }
1050 
1051     AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, MaxDepth,
1052         ACPI_OWNER_ID_MAX, SearchHandle);
1053     return_VOID;
1054 }
1055 #endif
1056 #endif
1057