1 /******************************************************************************
2 *
3 * Module Name: aslpredef - support for ACPI predefined names
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2016, 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 #define ACPI_CREATE_PREDEFINED_TABLE
45 #define ACPI_CREATE_RESOURCE_TABLE
46
47 #include "aslcompiler.h"
48 #include "aslcompiler.y.h"
49 #include "acpredef.h"
50 #include "acnamesp.h"
51
52
53 #define _COMPONENT ACPI_COMPILER
54 ACPI_MODULE_NAME ("aslpredef")
55
56
57 /* Local prototypes */
58
59 static void
60 ApCheckForUnexpectedReturnValue (
61 ACPI_PARSE_OBJECT *Op,
62 ASL_METHOD_INFO *MethodInfo);
63
64 static UINT32
65 ApCheckForSpecialName (
66 ACPI_PARSE_OBJECT *Op,
67 char *Name);
68
69
70 /*******************************************************************************
71 *
72 * FUNCTION: ApCheckForPredefinedMethod
73 *
74 * PARAMETERS: Op - A parse node of type "METHOD".
75 * MethodInfo - Saved info about this method
76 *
77 * RETURN: None
78 *
79 * DESCRIPTION: If method is a predefined name, check that the number of
80 * arguments and the return type (returns a value or not)
81 * is correct.
82 *
83 ******************************************************************************/
84
85 BOOLEAN
ApCheckForPredefinedMethod(ACPI_PARSE_OBJECT * Op,ASL_METHOD_INFO * MethodInfo)86 ApCheckForPredefinedMethod (
87 ACPI_PARSE_OBJECT *Op,
88 ASL_METHOD_INFO *MethodInfo)
89 {
90 UINT32 Index;
91 UINT32 RequiredArgCount;
92 const ACPI_PREDEFINED_INFO *ThisName;
93
94
95 /* Check for a match against the predefined name list */
96
97 Index = ApCheckForPredefinedName (Op, Op->Asl.NameSeg);
98
99 switch (Index)
100 {
101 case ACPI_NOT_RESERVED_NAME: /* No underscore or _Txx or _xxx name not matched */
102 case ACPI_PREDEFINED_NAME: /* Resource Name or reserved scope name */
103 case ACPI_COMPILER_RESERVED_NAME: /* A _Txx that was not emitted by compiler */
104
105 /* Just return, nothing to do */
106 return (FALSE);
107
108
109 case ACPI_EVENT_RESERVED_NAME: /* _Lxx/_Exx/_Wxx/_Qxx methods */
110
111 Gbl_ReservedMethods++;
112
113 /* NumArguments must be zero for all _Lxx/_Exx/_Wxx/_Qxx methods */
114
115 if (MethodInfo->NumArguments != 0)
116 {
117 snprintf (MsgBuffer, sizeof(MsgBuffer), "%s requires %u", Op->Asl.ExternalName, 0);
118
119 AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_HI, Op,
120 MsgBuffer);
121 }
122 break;
123
124
125 default:
126 /*
127 * Matched a predefined method name - validate the ASL-defined
128 * argument count against the ACPI specification.
129 *
130 * Some methods are allowed to have a "minimum" number of args
131 * (_SCP) because their definition in ACPI has changed over time.
132 */
133 Gbl_ReservedMethods++;
134 ThisName = &AcpiGbl_PredefinedMethods[Index];
135 RequiredArgCount = METHOD_GET_ARG_COUNT (ThisName->Info.ArgumentList);
136
137 if (MethodInfo->NumArguments != RequiredArgCount)
138 {
139 snprintf (MsgBuffer, sizeof(MsgBuffer), "%4.4s requires %u",
140 ThisName->Info.Name, RequiredArgCount);
141
142 if (MethodInfo->NumArguments < RequiredArgCount)
143 {
144 AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_LO, Op,
145 MsgBuffer);
146 }
147 else if ((MethodInfo->NumArguments > RequiredArgCount) &&
148 !(ThisName->Info.ArgumentList & ARG_COUNT_IS_MINIMUM))
149 {
150 AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_HI, Op,
151 MsgBuffer);
152 }
153 }
154
155 /*
156 * Check if method returns no value, but the predefined name is
157 * required to return a value
158 */
159 if (MethodInfo->NumReturnNoValue &&
160 ThisName->Info.ExpectedBtypes)
161 {
162 AcpiUtGetExpectedReturnTypes (StringBuffer,
163 ThisName->Info.ExpectedBtypes);
164
165 snprintf (MsgBuffer, sizeof(MsgBuffer), "%s required for %4.4s",
166 StringBuffer, ThisName->Info.Name);
167
168 AslError (ASL_WARNING, ASL_MSG_RESERVED_RETURN_VALUE, Op,
169 MsgBuffer);
170 }
171 break;
172 }
173
174 return (TRUE);
175 }
176
177
178 /*******************************************************************************
179 *
180 * FUNCTION: ApCheckForUnexpectedReturnValue
181 *
182 * PARAMETERS: Op - A parse node of type "RETURN".
183 * MethodInfo - Saved info about this method
184 *
185 * RETURN: None
186 *
187 * DESCRIPTION: Check for an unexpected return value from a predefined method.
188 * Invoked for predefined methods that are defined to not return
189 * any value. If there is a return value, issue a remark, since
190 * the ASL writer may be confused as to the method definition
191 * and/or functionality.
192 *
193 * Note: We ignore all return values of "Zero", since this is what a standalone
194 * Return() statement will always generate -- so we ignore it here --
195 * i.e., there is no difference between Return() and Return(Zero).
196 * Also, a null Return() will be disassembled to return(Zero) -- so, we
197 * don't want to generate extraneous remarks/warnings for a disassembled
198 * ASL file.
199 *
200 ******************************************************************************/
201
202 static void
ApCheckForUnexpectedReturnValue(ACPI_PARSE_OBJECT * Op,ASL_METHOD_INFO * MethodInfo)203 ApCheckForUnexpectedReturnValue (
204 ACPI_PARSE_OBJECT *Op,
205 ASL_METHOD_INFO *MethodInfo)
206 {
207 ACPI_PARSE_OBJECT *ReturnValueOp;
208
209
210 /* Ignore Return() and Return(Zero) (they are the same) */
211
212 ReturnValueOp = Op->Asl.Child;
213 if (ReturnValueOp->Asl.ParseOpcode == PARSEOP_ZERO)
214 {
215 return;
216 }
217
218 /* We have a valid return value, but the reserved name did not expect it */
219
220 AslError (ASL_WARNING, ASL_MSG_RESERVED_NO_RETURN_VAL,
221 Op, MethodInfo->Op->Asl.ExternalName);
222 }
223
224
225 /*******************************************************************************
226 *
227 * FUNCTION: ApCheckPredefinedReturnValue
228 *
229 * PARAMETERS: Op - A parse node of type "RETURN".
230 * MethodInfo - Saved info about this method
231 *
232 * RETURN: None
233 *
234 * DESCRIPTION: If method is a predefined name, attempt to validate the return
235 * value. Only "static" types can be validated - a simple return
236 * of an integer/string/buffer/package or a named reference to
237 * a static object. Values such as a Localx or Argx or a control
238 * method invocation are not checked. Issue a warning if there is
239 * a valid return value, but the reserved method defines no
240 * return value.
241 *
242 ******************************************************************************/
243
244 void
ApCheckPredefinedReturnValue(ACPI_PARSE_OBJECT * Op,ASL_METHOD_INFO * MethodInfo)245 ApCheckPredefinedReturnValue (
246 ACPI_PARSE_OBJECT *Op,
247 ASL_METHOD_INFO *MethodInfo)
248 {
249 UINT32 Index;
250 ACPI_PARSE_OBJECT *ReturnValueOp;
251 const ACPI_PREDEFINED_INFO *ThisName;
252
253
254 /*
255 * Check parent method for a match against the predefined name list.
256 *
257 * Note: Disable compiler errors/warnings because any errors will be
258 * caught when analyzing the parent method. Eliminates duplicate errors.
259 */
260 Gbl_AllExceptionsDisabled = TRUE;
261 Index = ApCheckForPredefinedName (MethodInfo->Op,
262 MethodInfo->Op->Asl.NameSeg);
263 Gbl_AllExceptionsDisabled = FALSE;
264
265 switch (Index)
266 {
267 case ACPI_EVENT_RESERVED_NAME: /* _Lxx/_Exx/_Wxx/_Qxx methods */
268
269 /* No return value expected, warn if there is one */
270
271 ApCheckForUnexpectedReturnValue (Op, MethodInfo);
272 return;
273
274 case ACPI_NOT_RESERVED_NAME: /* No underscore or _Txx or _xxx name not matched */
275 case ACPI_PREDEFINED_NAME: /* Resource Name or reserved scope name */
276 case ACPI_COMPILER_RESERVED_NAME: /* A _Txx that was not emitted by compiler */
277
278 /* Just return, nothing to do */
279 return;
280
281 default: /* A standard predefined ACPI name */
282
283 ThisName = &AcpiGbl_PredefinedMethods[Index];
284 if (!ThisName->Info.ExpectedBtypes)
285 {
286 /* No return value expected, warn if there is one */
287
288 ApCheckForUnexpectedReturnValue (Op, MethodInfo);
289 return;
290 }
291
292 /* Get the object returned, it is the next argument */
293
294 ReturnValueOp = Op->Asl.Child;
295 switch (ReturnValueOp->Asl.ParseOpcode)
296 {
297 case PARSEOP_ZERO:
298 case PARSEOP_ONE:
299 case PARSEOP_ONES:
300 case PARSEOP_INTEGER:
301 case PARSEOP_STRING_LITERAL:
302 case PARSEOP_BUFFER:
303 case PARSEOP_PACKAGE:
304
305 /* Static data return object - check against expected type */
306
307 ApCheckObjectType (ThisName->Info.Name, ReturnValueOp,
308 ThisName->Info.ExpectedBtypes, ACPI_NOT_PACKAGE_ELEMENT);
309
310 /* For packages, check the individual package elements */
311
312 if (ReturnValueOp->Asl.ParseOpcode == PARSEOP_PACKAGE)
313 {
314 ApCheckPackage (ReturnValueOp, ThisName);
315 }
316 break;
317
318 default:
319 /*
320 * All other ops are very difficult or impossible to typecheck at
321 * compile time. These include all Localx, Argx, and method
322 * invocations. Also, NAMESEG and NAMESTRING because the type of
323 * any named object can be changed at runtime (for example,
324 * CopyObject will change the type of the target object.)
325 */
326 break;
327 }
328 }
329 }
330
331
332 /*******************************************************************************
333 *
334 * FUNCTION: ApCheckForPredefinedObject
335 *
336 * PARAMETERS: Op - A parse node
337 * Name - The ACPI name to be checked
338 *
339 * RETURN: None
340 *
341 * DESCRIPTION: Check for a predefined name for a static object (created via
342 * the ASL Name operator). If it is a predefined ACPI name, ensure
343 * that the name does not require any arguments (which would
344 * require a control method implemenation of the name), and that
345 * the type of the object is one of the expected types for the
346 * predefined name.
347 *
348 ******************************************************************************/
349
350 void
ApCheckForPredefinedObject(ACPI_PARSE_OBJECT * Op,char * Name)351 ApCheckForPredefinedObject (
352 ACPI_PARSE_OBJECT *Op,
353 char *Name)
354 {
355 UINT32 Index;
356 ACPI_PARSE_OBJECT *ObjectOp;
357 const ACPI_PREDEFINED_INFO *ThisName;
358
359
360 /*
361 * Check for a real predefined name -- not a resource descriptor name
362 * or a predefined scope name
363 */
364 Index = ApCheckForPredefinedName (Op, Name);
365
366 switch (Index)
367 {
368 case ACPI_NOT_RESERVED_NAME: /* No underscore or _Txx or _xxx name not matched */
369 case ACPI_PREDEFINED_NAME: /* Resource Name or reserved scope name */
370 case ACPI_COMPILER_RESERVED_NAME: /* A _Txx that was not emitted by compiler */
371
372 /* Nothing to do */
373 return;
374
375 case ACPI_EVENT_RESERVED_NAME: /* _Lxx/_Exx/_Wxx/_Qxx methods */
376
377 /*
378 * These names must be control methods, by definition in ACPI spec.
379 * Also because they are defined to return no value. None of them
380 * require any arguments.
381 */
382 AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op,
383 "with zero arguments");
384 return;
385
386 default:
387
388 break;
389 }
390
391 /* A standard predefined ACPI name */
392
393 /*
394 * If this predefined name requires input arguments, then
395 * it must be implemented as a control method
396 */
397 ThisName = &AcpiGbl_PredefinedMethods[Index];
398 if (METHOD_GET_ARG_COUNT (ThisName->Info.ArgumentList) > 0)
399 {
400 AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op,
401 "with arguments");
402 return;
403 }
404
405 /*
406 * If no return value is expected from this predefined name, then
407 * it follows that it must be implemented as a control method
408 * (with zero args, because the args > 0 case was handled above)
409 * Examples are: _DIS, _INI, _IRC, _OFF, _ON, _PSx
410 */
411 if (!ThisName->Info.ExpectedBtypes)
412 {
413 AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op,
414 "with zero arguments");
415 return;
416 }
417
418 /* Typecheck the actual object, it is the next argument */
419
420 ObjectOp = Op->Asl.Child->Asl.Next;
421 ApCheckObjectType (ThisName->Info.Name, Op->Asl.Child->Asl.Next,
422 ThisName->Info.ExpectedBtypes, ACPI_NOT_PACKAGE_ELEMENT);
423
424 /* For packages, check the individual package elements */
425
426 if (ObjectOp->Asl.ParseOpcode == PARSEOP_PACKAGE)
427 {
428 ApCheckPackage (ObjectOp, ThisName);
429 }
430 }
431
432
433 /*******************************************************************************
434 *
435 * FUNCTION: ApCheckForPredefinedName
436 *
437 * PARAMETERS: Op - A parse node
438 * Name - NameSeg to check
439 *
440 * RETURN: None
441 *
442 * DESCRIPTION: Check a NameSeg against the reserved list.
443 *
444 ******************************************************************************/
445
446 UINT32
ApCheckForPredefinedName(ACPI_PARSE_OBJECT * Op,char * Name)447 ApCheckForPredefinedName (
448 ACPI_PARSE_OBJECT *Op,
449 char *Name)
450 {
451 UINT32 i;
452 const ACPI_PREDEFINED_INFO *ThisName;
453
454
455 if (Name[0] == 0)
456 {
457 AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op,
458 "zero length name found");
459 }
460
461 /* All reserved names are prefixed with a single underscore */
462
463 if (Name[0] != '_')
464 {
465 return (ACPI_NOT_RESERVED_NAME);
466 }
467
468 /* Check for a standard predefined method name */
469
470 ThisName = AcpiGbl_PredefinedMethods;
471 for (i = 0; ThisName->Info.Name[0]; i++)
472 {
473 if (ACPI_COMPARE_NAME (Name, ThisName->Info.Name))
474 {
475 /* Return index into predefined array */
476 return (i);
477 }
478
479 ThisName++; /* Does not account for extra package data, but is OK */
480 }
481
482 /* Check for resource names and predefined scope names */
483
484 ThisName = AcpiGbl_ResourceNames;
485 while (ThisName->Info.Name[0])
486 {
487 if (ACPI_COMPARE_NAME (Name, ThisName->Info.Name))
488 {
489 return (ACPI_PREDEFINED_NAME);
490 }
491
492 ThisName++;
493 }
494
495 ThisName = AcpiGbl_ScopeNames;
496 while (ThisName->Info.Name[0])
497 {
498 if (ACPI_COMPARE_NAME (Name, ThisName->Info.Name))
499 {
500 return (ACPI_PREDEFINED_NAME);
501 }
502
503 ThisName++;
504 }
505
506 /* Check for _Lxx/_Exx/_Wxx/_Qxx/_T_x. Warning if unknown predefined name */
507
508 return (ApCheckForSpecialName (Op, Name));
509 }
510
511
512 /*******************************************************************************
513 *
514 * FUNCTION: ApCheckForSpecialName
515 *
516 * PARAMETERS: Op - A parse node
517 * Name - NameSeg to check
518 *
519 * RETURN: None
520 *
521 * DESCRIPTION: Check for the "special" predefined names -
522 * _Lxx, _Exx, _Qxx, _Wxx, and _T_x
523 *
524 ******************************************************************************/
525
526 static UINT32
ApCheckForSpecialName(ACPI_PARSE_OBJECT * Op,char * Name)527 ApCheckForSpecialName (
528 ACPI_PARSE_OBJECT *Op,
529 char *Name)
530 {
531
532 /*
533 * Check for the "special" predefined names. We already know that the
534 * first character is an underscore.
535 * GPE: _Lxx
536 * GPE: _Exx
537 * GPE: _Wxx
538 * EC: _Qxx
539 */
540 if ((Name[1] == 'L') ||
541 (Name[1] == 'E') ||
542 (Name[1] == 'W') ||
543 (Name[1] == 'Q'))
544 {
545 /* The next two characters must be hex digits */
546
547 if ((isxdigit ((int) Name[2])) &&
548 (isxdigit ((int) Name[3])))
549 {
550 return (ACPI_EVENT_RESERVED_NAME);
551 }
552 }
553
554 /* Check for the names reserved for the compiler itself: _T_x */
555
556 else if ((Op->Asl.ExternalName[1] == 'T') &&
557 (Op->Asl.ExternalName[2] == '_'))
558 {
559 /* Ignore if actually emitted by the compiler */
560
561 if (Op->Asl.CompileFlags & NODE_COMPILER_EMITTED)
562 {
563 return (ACPI_NOT_RESERVED_NAME);
564 }
565
566 /*
567 * Was not actually emitted by the compiler. This is a special case,
568 * however. If the ASL code being compiled was the result of a
569 * dissasembly, it may possibly contain valid compiler-emitted names
570 * of the form "_T_x". We don't want to issue an error or even a
571 * warning and force the user to manually change the names. So, we
572 * will issue a remark instead.
573 */
574 AslError (ASL_REMARK, ASL_MSG_COMPILER_RESERVED,
575 Op, Op->Asl.ExternalName);
576 return (ACPI_COMPILER_RESERVED_NAME);
577 }
578
579 /*
580 * The name didn't match any of the known predefined names. Flag it as a
581 * warning, since the entire namespace starting with an underscore is
582 * reserved by the ACPI spec.
583 */
584 AslError (ASL_WARNING, ASL_MSG_UNKNOWN_RESERVED_NAME,
585 Op, Op->Asl.ExternalName);
586
587 return (ACPI_NOT_RESERVED_NAME);
588 }
589
590
591 /*******************************************************************************
592 *
593 * FUNCTION: ApCheckObjectType
594 *
595 * PARAMETERS: PredefinedName - Name of the predefined object we are checking
596 * Op - Current parse node
597 * ExpectedBtypes - Bitmap of expected return type(s)
598 * PackageIndex - Index of object within parent package (if
599 * applicable - ACPI_NOT_PACKAGE_ELEMENT
600 * otherwise)
601 *
602 * RETURN: None
603 *
604 * DESCRIPTION: Check if the object type is one of the types that is expected
605 * by the predefined name. Only a limited number of object types
606 * can be returned by the predefined names.
607 *
608 ******************************************************************************/
609
610 ACPI_STATUS
ApCheckObjectType(const char * PredefinedName,ACPI_PARSE_OBJECT * Op,UINT32 ExpectedBtypes,UINT32 PackageIndex)611 ApCheckObjectType (
612 const char *PredefinedName,
613 ACPI_PARSE_OBJECT *Op,
614 UINT32 ExpectedBtypes,
615 UINT32 PackageIndex)
616 {
617 UINT32 ReturnBtype;
618 char *TypeName;
619
620
621 if (!Op)
622 {
623 return (AE_TYPE);
624 }
625
626 /* Map the parse opcode to a bitmapped return type (RTYPE) */
627
628 switch (Op->Asl.ParseOpcode)
629 {
630 case PARSEOP_ZERO:
631 case PARSEOP_ONE:
632 case PARSEOP_ONES:
633 case PARSEOP_INTEGER:
634
635 ReturnBtype = ACPI_RTYPE_INTEGER;
636 TypeName = "Integer";
637 break;
638
639 case PARSEOP_STRING_LITERAL:
640
641 ReturnBtype = ACPI_RTYPE_STRING;
642 TypeName = "String";
643 break;
644
645 case PARSEOP_BUFFER:
646
647 ReturnBtype = ACPI_RTYPE_BUFFER;
648 TypeName = "Buffer";
649 break;
650
651 case PARSEOP_PACKAGE:
652 case PARSEOP_VAR_PACKAGE:
653
654 ReturnBtype = ACPI_RTYPE_PACKAGE;
655 TypeName = "Package";
656 break;
657
658 case PARSEOP_NAMESEG:
659 case PARSEOP_NAMESTRING:
660 /*
661 * Ignore any named references within a package object.
662 *
663 * For Package objects, references are allowed instead of any of the
664 * standard data types (Integer/String/Buffer/Package). These
665 * references are resolved at runtime. NAMESEG and NAMESTRING are
666 * impossible to typecheck at compile time because the type of
667 * any named object can be changed at runtime (for example,
668 * CopyObject will change the type of the target object).
669 */
670 if (PackageIndex != ACPI_NOT_PACKAGE_ELEMENT)
671 {
672 return (AE_OK);
673 }
674
675 ReturnBtype = ACPI_RTYPE_REFERENCE;
676 TypeName = "Reference";
677 break;
678
679 default:
680
681 /* Not one of the supported object types */
682
683 TypeName = UtGetOpName (Op->Asl.ParseOpcode);
684 goto TypeErrorExit;
685 }
686
687 /* Exit if the object is one of the expected types */
688
689 if (ReturnBtype & ExpectedBtypes)
690 {
691 return (AE_OK);
692 }
693
694
695 TypeErrorExit:
696
697 /* Format the expected types and emit an error message */
698
699 AcpiUtGetExpectedReturnTypes (StringBuffer, ExpectedBtypes);
700
701 if (PackageIndex == ACPI_NOT_PACKAGE_ELEMENT)
702 {
703 snprintf (MsgBuffer, sizeof(MsgBuffer), "%4.4s: found %s, %s required",
704 PredefinedName, TypeName, StringBuffer);
705 }
706 else
707 {
708 snprintf (MsgBuffer, sizeof(MsgBuffer), "%4.4s: found %s at index %u, %s required",
709 PredefinedName, TypeName, PackageIndex, StringBuffer);
710 }
711
712 AslError (ASL_ERROR, ASL_MSG_RESERVED_OPERAND_TYPE, Op, MsgBuffer);
713 return (AE_TYPE);
714 }
715
716
717 /*******************************************************************************
718 *
719 * FUNCTION: ApDisplayReservedNames
720 *
721 * PARAMETERS: None
722 *
723 * RETURN: None
724 *
725 * DESCRIPTION: Dump information about the ACPI predefined names and predefined
726 * resource descriptor names.
727 *
728 ******************************************************************************/
729
730 void
ApDisplayReservedNames(void)731 ApDisplayReservedNames (
732 void)
733 {
734 const ACPI_PREDEFINED_INFO *ThisName;
735 UINT32 Count;
736 UINT32 NumTypes;
737
738
739 /*
740 * Predefined names/methods
741 */
742 printf ("\nPredefined Name Information\n\n");
743
744 Count = 0;
745 ThisName = AcpiGbl_PredefinedMethods;
746 while (ThisName->Info.Name[0])
747 {
748 AcpiUtDisplayPredefinedMethod (MsgBuffer, ThisName, FALSE);
749 Count++;
750 ThisName = AcpiUtGetNextPredefinedMethod (ThisName);
751 }
752
753 printf ("%u Predefined Names are recognized\n", Count);
754
755 /*
756 * Resource Descriptor names
757 */
758 printf ("\nPredefined Names for Resource Descriptor Fields\n\n");
759
760 Count = 0;
761 ThisName = AcpiGbl_ResourceNames;
762 while (ThisName->Info.Name[0])
763 {
764 NumTypes = AcpiUtGetResourceBitWidth (MsgBuffer,
765 ThisName->Info.ArgumentList);
766
767 printf ("%4.4s Field is %s bits wide%s\n",
768 ThisName->Info.Name, MsgBuffer,
769 (NumTypes > 1) ? " (depending on descriptor type)" : "");
770
771 Count++;
772 ThisName++;
773 }
774
775 printf ("%u Resource Descriptor Field Names are recognized\n", Count);
776
777 /*
778 * Predefined scope names
779 */
780 printf ("\nPredefined Scope/Device Names (automatically created at root)\n\n");
781
782 ThisName = AcpiGbl_ScopeNames;
783 while (ThisName->Info.Name[0])
784 {
785 printf ("%4.4s Scope/Device\n", ThisName->Info.Name);
786 ThisName++;
787 }
788 }
789