1 /******************************************************************************
2 *
3 * Module Name: ahdecode - Miscellaneous decoding for acpihelp utility
4 *
5 *****************************************************************************/
6
7 /******************************************************************************
8 *
9 * 1. Copyright Notice
10 *
11 * Some or all of this work - Copyright (c) 1999 - 2023, 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 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
27 *
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code. No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
36 *
37 * The above copyright and patent license is granted only if the following
38 * conditions are met:
39 *
40 * 3. Conditions
41 *
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision. In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change. Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee. Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
53 *
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution. In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
64 * make.
65 *
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
70 * distribution.
71 *
72 * 3.4. Intel retains all right, title, and interest in and to the Original
73 * Intel Code.
74 *
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
79 *
80 * 4. Disclaimer and Export Compliance
81 *
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88 * PARTICULAR PURPOSE.
89 *
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97 * LIMITED REMEDY.
98 *
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government. In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
113 *
114 *****************************************************************************
115 *
116 * Alternatively, you may choose to be licensed under the terms of the
117 * following license:
118 *
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
121 * are met:
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
133 *
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145 *
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
149 *
150 *****************************************************************************/
151
152 #define ACPI_CREATE_PREDEFINED_TABLE
153 #define ACPI_CREATE_RESOURCE_TABLE
154
155 #include "acpihelp.h"
156 #include "acpredef.h"
157
158 BOOLEAN AslGbl_VerboseErrors = TRUE;
159
160 /* Local prototypes */
161
162 static BOOLEAN
163 AhDisplayPredefinedName (
164 char *Name,
165 UINT32 Length);
166
167 static void
168 AhDisplayPredefinedInfo (
169 char *Name);
170
171 static void
172 AhDoSpecialNames (
173 char *Name);
174
175 static void
176 AhDisplayResourceName (
177 const ACPI_PREDEFINED_INFO *ThisName);
178
179
180 /*******************************************************************************
181 *
182 * FUNCTION: AhPrintOneField
183 *
184 * PARAMETERS: Indent - Indent length for new line(s)
185 * CurrentPosition - Position on current line
186 * MaxPosition - Max allowed line length
187 * Field - Data to output
188 *
189 * RETURN: Line position after field is written
190 *
191 * DESCRIPTION: Split long lines appropriately for ease of reading.
192 *
193 ******************************************************************************/
194
195 void
AhPrintOneField(UINT32 Indent,UINT32 CurrentPosition,UINT32 MaxPosition,const char * Field)196 AhPrintOneField (
197 UINT32 Indent,
198 UINT32 CurrentPosition,
199 UINT32 MaxPosition,
200 const char *Field)
201 {
202 UINT32 Position;
203 UINT32 TokenLength;
204 const char *This;
205 const char *Next;
206 const char *Last;
207
208
209 This = Field;
210 Position = CurrentPosition;
211
212 if (Position == 0)
213 {
214 printf ("%*s", (int) Indent, " ");
215 Position = Indent;
216 }
217
218 Last = This + strlen (This);
219 while ((Next = strpbrk (This, " ")))
220 {
221 TokenLength = Next - This;
222 Position += TokenLength;
223
224 /* Split long lines */
225
226 if (Position > MaxPosition)
227 {
228 printf ("\n%*s", (int) Indent, " ");
229 Position = TokenLength;
230 }
231
232 printf ("%.*s ", (int) TokenLength, This);
233 This = Next + 1;
234 }
235
236 /* Handle last token on the input line */
237
238 TokenLength = Last - This;
239 if (TokenLength > 0)
240 {
241 Position += TokenLength;
242 if (Position > MaxPosition)
243 {
244 printf ("\n%*s", (int) Indent, " ");
245 }
246
247 printf ("%s", This);
248 }
249 }
250
251
252 /*******************************************************************************
253 *
254 * FUNCTION: AhDisplayDirectives
255 *
256 * PARAMETERS: None
257 *
258 * RETURN: None
259 *
260 * DESCRIPTION: Display all iASL preprocessor directives.
261 *
262 ******************************************************************************/
263
264 void
AhDisplayDirectives(void)265 AhDisplayDirectives (
266 void)
267 {
268 const AH_DIRECTIVE_INFO *Info;
269
270
271 printf ("iASL Preprocessor Directives\n\n");
272
273 for (Info = Gbl_PreprocessorDirectives; Info->Name; Info++)
274 {
275 printf (" %-36s : %s\n", Info->Name, Info->Description);
276 }
277 }
278
279
280 /*******************************************************************************
281 *
282 * FUNCTION: AhFindPredefinedNames (entry point for predefined name search)
283 *
284 * PARAMETERS: NamePrefix - Name or prefix to find. Must start with
285 * an underscore. NULL means "find all"
286 *
287 * RETURN: None
288 *
289 * DESCRIPTION: Find and display all ACPI predefined names that match the
290 * input name or prefix. Includes the required number of arguments
291 * and the expected return type, if any.
292 *
293 ******************************************************************************/
294
295 void
AhFindPredefinedNames(char * NamePrefix)296 AhFindPredefinedNames (
297 char *NamePrefix)
298 {
299 UINT32 Length;
300 BOOLEAN Found;
301 char Name[ACPI_NAMESEG_SIZE + 1];
302
303
304 if (!NamePrefix || (*NamePrefix == '*'))
305 {
306 (void) AhDisplayPredefinedName (NULL, 0);
307 return;
308 }
309
310 Length = strlen (NamePrefix);
311 if (Length > ACPI_NAMESEG_SIZE)
312 {
313 printf ("%.8s: Predefined name must be 4 characters maximum\n",
314 NamePrefix);
315 return;
316 }
317
318 /* Construct a local name or name prefix */
319
320 AcpiUtStrupr (NamePrefix);
321 if (*NamePrefix == '_')
322 {
323 NamePrefix++;
324 }
325
326 Name[0] = '_';
327 AcpiUtSafeStrncpy (&Name[1], NamePrefix, 4);
328
329 /* Check for special names such as _Exx, _ACx, etc. */
330
331 AhDoSpecialNames (Name);
332
333 /* Lookup and display the name(s) */
334
335 Found = AhDisplayPredefinedName (Name, Length);
336 if (!Found)
337 {
338 printf ("%s, no matching predefined names\n", Name);
339 }
340 }
341
342
343 /*******************************************************************************
344 *
345 * FUNCTION: AhDoSpecialNames
346 *
347 * PARAMETERS: Name - Name or prefix to find
348 *
349 * RETURN: None
350 *
351 * DESCRIPTION: Detect and handle the "special" names such as _Exx, _ACx, etc.
352 *
353 * Current support:
354 * _EJx
355 * _Exx
356 * _Lxx
357 * _Qxx
358 * _Wxx
359 * _ACx
360 * _ALx
361 * _T_x
362 *
363 ******************************************************************************/
364
365 static void
AhDoSpecialNames(char * Name)366 AhDoSpecialNames (
367 char *Name)
368 {
369
370 /*
371 * Check for the special names that have one or more numeric
372 * suffixes. For example, _Lxx can have 256 different flavors,
373 * from _L00 to _LFF.
374 */
375 switch (Name[1])
376 {
377 case 'E':
378 if (Name[2] == 'J')
379 {
380 if (isdigit ((int) Name[3]) || (Name[3] == 'X'))
381 {
382 /* _EJx */
383
384 Name[3] = 'x';
385 break;
386 }
387 }
388
389 ACPI_FALLTHROUGH;
390
391 case 'L':
392 case 'Q':
393 case 'W':
394 if ((isxdigit ((int) Name[2]) && isxdigit ((int) Name[3]))
395 ||
396 ((Name[2] == 'X') && (Name[3] == 'X')))
397 {
398 /* _Exx, _Lxx, _Qxx, or _Wxx */
399
400 Name[2] = 'x';
401 Name[3] = 'x';
402 }
403 break;
404
405 case 'A':
406 if ((Name[2] == 'C') || (Name[2] == 'L'))
407 {
408 if (isdigit ((int) Name[3]) || (Name[3] == 'X'))
409 {
410 /* _ACx or _ALx */
411
412 Name[3] = 'x';
413 }
414 }
415 break;
416
417 case 'T':
418 if (Name[2] == '_')
419 {
420 /* _T_x (Reserved for iASL compiler */
421
422 Name[3] = 'x';
423 }
424 break;
425
426 default:
427 break;
428 }
429 }
430
431
432 /*******************************************************************************
433 *
434 * FUNCTION: AhDisplayPredefinedName
435 *
436 * PARAMETERS: Name - Name or name prefix
437 *
438 * RETURN: TRUE if any names matched, FALSE otherwise
439 *
440 * DESCRIPTION: Display information about ACPI predefined names that match
441 * the input name or name prefix.
442 *
443 ******************************************************************************/
444
445 static BOOLEAN
AhDisplayPredefinedName(char * Name,UINT32 Length)446 AhDisplayPredefinedName (
447 char *Name,
448 UINT32 Length)
449 {
450 const AH_PREDEFINED_NAME *Info;
451 BOOLEAN Found = FALSE;
452 BOOLEAN Matched;
453 UINT32 i = 0;
454
455
456 /* Find/display all names that match the input name prefix */
457
458 for (Info = AslPredefinedInfo; Info->Name; Info++)
459 {
460 if (!Name)
461 {
462 Found = TRUE;
463 printf ("%s: <%s>\n", Info->Name, Info->Description);
464 printf ("%*s%s\n", 6, " ", Info->Action);
465
466 AhDisplayPredefinedInfo (Info->Name);
467 i++;
468 continue;
469 }
470
471 Matched = TRUE;
472 for (i = 0; i < Length; i++)
473 {
474 if (Info->Name[i] != Name[i])
475 {
476 Matched = FALSE;
477 break;
478 }
479 }
480
481 if (Matched)
482 {
483 Found = TRUE;
484 printf ("%s: <%s>\n", Info->Name, Info->Description);
485 printf ("%*s%s\n", 6, " ", Info->Action);
486
487 AhDisplayPredefinedInfo (Info->Name);
488 }
489 }
490
491 if (!Name)
492 {
493 printf ("\nFound %d Predefined ACPI Names\n", i);
494 }
495 return (Found);
496 }
497
498
499 /*******************************************************************************
500 *
501 * FUNCTION: AhDisplayPredefinedInfo
502 *
503 * PARAMETERS: Name - Exact 4-character ACPI name.
504 *
505 * RETURN: None
506 *
507 * DESCRIPTION: Find the name in the main ACPICA predefined info table and
508 * display the # of arguments and the return value type.
509 *
510 * Note: Resource Descriptor field names do not appear in this
511 * table -- thus, nothing will be displayed for them.
512 *
513 ******************************************************************************/
514
515 static void
AhDisplayPredefinedInfo(char * Name)516 AhDisplayPredefinedInfo (
517 char *Name)
518 {
519 const ACPI_PREDEFINED_INFO *ThisName;
520
521
522 /* NOTE: we check both tables always because there are some dupes */
523
524 /* Check against the predefined methods first */
525
526 ThisName = AcpiUtMatchPredefinedMethod (Name);
527 if (ThisName)
528 {
529 AcpiUtDisplayPredefinedMethod (Gbl_Buffer, ThisName, TRUE);
530 }
531
532 /* Check against the predefined resource descriptor names */
533
534 ThisName = AcpiUtMatchResourceName (Name);
535 if (ThisName)
536 {
537 AhDisplayResourceName (ThisName);
538 }
539 }
540
541
542 /*******************************************************************************
543 *
544 * FUNCTION: AhDisplayResourceName
545 *
546 * PARAMETERS: ThisName - Entry in the predefined method/name table
547 *
548 * RETURN: None
549 *
550 * DESCRIPTION: Display information about a resource descriptor name.
551 *
552 ******************************************************************************/
553
554 static void
AhDisplayResourceName(const ACPI_PREDEFINED_INFO * ThisName)555 AhDisplayResourceName (
556 const ACPI_PREDEFINED_INFO *ThisName)
557 {
558 UINT32 NumTypes;
559
560
561 NumTypes = AcpiUtGetResourceBitWidth (Gbl_Buffer,
562 ThisName->Info.ArgumentList);
563
564 printf (" %4.4s resource descriptor field is %s bits wide%s\n",
565 ThisName->Info.Name,
566 Gbl_Buffer,
567 (NumTypes > 1) ? " (depending on descriptor type)" : "");
568 }
569
570
571 /*******************************************************************************
572 *
573 * FUNCTION: AhDisplayDeviceIds
574 *
575 * PARAMETERS: Name - Device Hardware ID string.
576 * NULL means "find all"
577 *
578 * RETURN: None
579 *
580 * DESCRIPTION: Display PNP* and ACPI* device IDs.
581 *
582 ******************************************************************************/
583
584 void
AhDisplayDeviceIds(char * Name)585 AhDisplayDeviceIds (
586 char *Name)
587 {
588 const AH_DEVICE_ID *Info;
589 UINT32 Length;
590 BOOLEAN Matched;
591 UINT32 i;
592 BOOLEAN Found = FALSE;
593
594
595 /* Null input name indicates "display all" */
596
597 if (!Name || (Name[0] == '*'))
598 {
599 printf ("ACPI and PNP Device/Hardware IDs:\n\n");
600 for (Info = AslDeviceIds; Info->Name; Info++)
601 {
602 printf ("%8s %s\n", Info->Name, Info->Description);
603 }
604
605 return;
606 }
607
608 Length = strlen (Name);
609 if (Length > 8)
610 {
611 printf ("%.8s: Hardware ID must be 8 characters maximum\n", Name);
612 return;
613 }
614
615 /* Find/display all names that match the input name prefix */
616
617 AcpiUtStrupr (Name);
618 for (Info = AslDeviceIds; Info->Name; Info++)
619 {
620 Matched = TRUE;
621 for (i = 0; i < Length; i++)
622 {
623 if (Info->Name[i] != Name[i])
624 {
625 Matched = FALSE;
626 break;
627 }
628 }
629
630 if (Matched)
631 {
632 Found = TRUE;
633 printf ("%8s %s\n", Info->Name, Info->Description);
634 }
635 }
636
637 if (!Found)
638 {
639 printf ("%s, Hardware ID not found\n", Name);
640 }
641 }
642
643
644 /*******************************************************************************
645 *
646 * FUNCTION: AhDisplayUuids
647 *
648 * PARAMETERS: None
649 *
650 * RETURN: None
651 *
652 * DESCRIPTION: Display all known UUIDs.
653 *
654 ******************************************************************************/
655
656 void
AhDisplayUuids(void)657 AhDisplayUuids (
658 void)
659 {
660 const AH_UUID *Info;
661
662
663 printf ("ACPI-related UUIDs/GUIDs:\n");
664
665 /* Display entire table of known ACPI-related UUIDs/GUIDs */
666
667 for (Info = Gbl_AcpiUuids; Info->Description; Info++)
668 {
669 if (!Info->String) /* Null UUID string means group description */
670 {
671 printf ("\n%36s\n", Info->Description);
672 }
673 else
674 {
675 printf ("%32s : %s\n", Info->Description, Info->String);
676 }
677 }
678
679 /* Help info on how UUIDs/GUIDs strings are encoded */
680
681 printf ("\n\nByte encoding of UUID/GUID strings"
682 " into ACPI Buffer objects (use ToUUID from ASL):\n\n");
683
684 printf ("%32s : %s\n", "Input UUID/GUID String format",
685 "aabbccdd-eeff-gghh-iijj-kkllmmnnoopp");
686
687 printf ("%32s : %s\n", "Expected output ACPI buffer",
688 "dd,cc,bb,aa, ff,ee, hh,gg, ii,jj, kk,ll,mm,nn,oo,pp");
689 }
690
691
692 /*******************************************************************************
693 *
694 * FUNCTION: AhDisplayTables
695 *
696 * PARAMETERS: None
697 *
698 * RETURN: None
699 *
700 * DESCRIPTION: Display all known ACPI tables
701 *
702 ******************************************************************************/
703
704 void
AhDisplayTables(void)705 AhDisplayTables (
706 void)
707 {
708 const AH_TABLE *Info;
709 UINT32 i = 0;
710
711
712 printf ("Known/Supported ACPI tables:\n");
713
714 for (Info = AcpiGbl_SupportedTables; Info->Signature; Info++)
715 {
716 printf ("%8u) %s : %s\n", i + 1, Info->Signature, Info->Description);
717 i++;
718 }
719
720 printf ("\nTotal %u ACPI tables\n\n", i);
721 }
722
723
724 /*******************************************************************************
725 *
726 * FUNCTION: AhDecodeException
727 *
728 * PARAMETERS: HexString - ACPI status string from command line, in
729 * hex. If null, display all exceptions.
730 *
731 * RETURN: None
732 *
733 * DESCRIPTION: Decode and display an ACPI_STATUS exception code.
734 *
735 ******************************************************************************/
736
737 void
AhDecodeException(char * HexString)738 AhDecodeException (
739 char *HexString)
740 {
741 const ACPI_EXCEPTION_INFO *ExceptionInfo;
742 UINT32 Status;
743 UINT32 i;
744
745
746 /*
747 * A null input string means to decode and display all known
748 * exception codes.
749 */
750 if (!HexString)
751 {
752 printf ("All defined ACPICA exception codes:\n\n");
753 AH_DISPLAY_EXCEPTION (0,
754 "AE_OK (No error occurred)");
755
756 /* Display codes in each block of exception types */
757
758 for (i = 1; (i & AE_CODE_MASK) <= AE_CODE_MAX; i += 0x1000)
759 {
760 Status = i;
761 do
762 {
763 ExceptionInfo = AcpiUtValidateException ((ACPI_STATUS) Status);
764 if (ExceptionInfo)
765 {
766 AH_DISPLAY_EXCEPTION_TEXT (Status, ExceptionInfo);
767 }
768
769 Status++;
770
771 } while (ExceptionInfo);
772 }
773 return;
774 }
775
776 /* Decode a single user-supplied exception code */
777
778 Status = strtoul (HexString, NULL, 16);
779 if (!Status)
780 {
781 printf ("%s: Invalid hexadecimal exception code value\n", HexString);
782 return;
783 }
784
785 if (Status > ACPI_UINT16_MAX)
786 {
787 AH_DISPLAY_EXCEPTION (Status, "Invalid exception code (more than 16 bits)");
788 return;
789 }
790
791 ExceptionInfo = AcpiUtValidateException ((ACPI_STATUS) Status);
792 if (!ExceptionInfo)
793 {
794 AH_DISPLAY_EXCEPTION (Status, "Unknown exception code");
795 return;
796 }
797
798 AH_DISPLAY_EXCEPTION_TEXT (Status, ExceptionInfo);
799 }
800