1 /******************************************************************************
2 *
3 * Module Name: aslbtypes - Support for bitfield types
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 #include "aslcompiler.h"
153 #include "aslcompiler.y.h"
154 #include "amlcode.h"
155
156
157 #define _COMPONENT ACPI_COMPILER
158 ACPI_MODULE_NAME ("aslbtypes")
159
160 /* Local prototypes */
161
162 static UINT32
163 AnMapEtypeToBtype (
164 UINT32 Etype);
165
166
167 /*******************************************************************************
168 *
169 * FUNCTION: AnMapArgTypeToBtype
170 *
171 * PARAMETERS: ArgType - The ARGI required type(s) for this
172 * argument, from the opcode info table
173 *
174 * RETURN: The corresponding Bit-encoded types
175 *
176 * DESCRIPTION: Convert an encoded ARGI required argument type code into a
177 * bitfield type code. Implements the implicit source conversion
178 * rules.
179 *
180 ******************************************************************************/
181
182 UINT32
AnMapArgTypeToBtype(UINT32 ArgType)183 AnMapArgTypeToBtype (
184 UINT32 ArgType)
185 {
186
187 switch (ArgType)
188 {
189 /* Simple types */
190
191 case ARGI_ANYTYPE:
192
193 return (ACPI_BTYPE_OBJECTS_AND_REFS);
194
195 case ARGI_PACKAGE:
196
197 return (ACPI_BTYPE_PACKAGE);
198
199 case ARGI_EVENT:
200
201 return (ACPI_BTYPE_EVENT);
202
203 case ARGI_MUTEX:
204
205 return (ACPI_BTYPE_MUTEX);
206
207 case ARGI_DDBHANDLE:
208 /*
209 * DDBHandleObject := SuperName
210 * ACPI_BTYPE_REFERENCE_OBJECT:
211 * Index reference as parameter of Load/Unload
212 */
213 return (ACPI_BTYPE_DDB_HANDLE | ACPI_BTYPE_REFERENCE_OBJECT);
214
215 /* Interchangeable types */
216 /*
217 * Source conversion rules:
218 * Integer, String, and Buffer are all interchangeable
219 */
220 case ARGI_INTEGER:
221 case ARGI_STRING:
222 case ARGI_BUFFER:
223 case ARGI_BUFFER_OR_STRING:
224 case ARGI_COMPUTEDATA:
225
226 return (ACPI_BTYPE_COMPUTE_DATA);
227
228 /* References */
229
230 case ARGI_INTEGER_REF:
231
232 return (ACPI_BTYPE_INTEGER);
233
234 case ARGI_OBJECT_REF:
235
236 return (ACPI_BTYPE_ALL_OBJECTS);
237
238 case ARGI_DEVICE_REF:
239
240 return (ACPI_BTYPE_DEVICE_OBJECTS);
241
242 case ARGI_REFERENCE:
243
244 return (ACPI_BTYPE_NAMED_REFERENCE); /* Name or Namestring */
245
246 case ARGI_TARGETREF:
247
248 /*
249 * Target operand for most math and logic operators.
250 * Package objects not allowed as target.
251 */
252 return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_DEBUG_OBJECT |
253 ACPI_BTYPE_REFERENCE_OBJECT);
254
255 case ARGI_STORE_TARGET:
256
257 /* Special target for Store(), includes packages */
258
259 return (ACPI_BTYPE_DATA | ACPI_BTYPE_DEBUG_OBJECT |
260 ACPI_BTYPE_REFERENCE_OBJECT);
261
262 case ARGI_FIXED_TARGET:
263 case ARGI_SIMPLE_TARGET:
264
265 return (ACPI_BTYPE_OBJECTS_AND_REFS);
266
267 /* Complex types */
268
269 case ARGI_DATAOBJECT:
270 /*
271 * Buffer, string, package or reference to a Op -
272 * Used only by SizeOf operator
273 */
274 return (ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER |
275 ACPI_BTYPE_PACKAGE | ACPI_BTYPE_REFERENCE_OBJECT);
276
277 case ARGI_COMPLEXOBJ:
278
279 /* Buffer, String, or package */
280
281 return (ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER |
282 ACPI_BTYPE_PACKAGE);
283
284 case ARGI_REF_OR_STRING:
285
286 /* Used by DeRefOf operator only */
287
288 return (ACPI_BTYPE_STRING | ACPI_BTYPE_REFERENCE_OBJECT);
289
290 case ARGI_REGION_OR_BUFFER:
291
292 /* Used by Load() only. Allow buffers in addition to regions/fields */
293
294 return (ACPI_BTYPE_REGION | ACPI_BTYPE_BUFFER |
295 ACPI_BTYPE_FIELD_UNIT);
296
297 case ARGI_DATAREFOBJ:
298
299 /* Used by Store() only, as the source operand */
300
301 return (ACPI_BTYPE_DATA_REFERENCE | ACPI_BTYPE_REFERENCE_OBJECT);
302
303 default:
304
305 break;
306 }
307
308 return (ACPI_BTYPE_OBJECTS_AND_REFS);
309 }
310
311
312 /*******************************************************************************
313 *
314 * FUNCTION: AnMapEtypeToBtype
315 *
316 * PARAMETERS: Etype - Encoded ACPI Type
317 *
318 * RETURN: Btype corresponding to the Etype
319 *
320 * DESCRIPTION: Convert an encoded ACPI type to a bitfield type applying the
321 * operand conversion rules. In other words, returns the type(s)
322 * this Etype is implicitly converted to during interpretation.
323 *
324 ******************************************************************************/
325
326 static UINT32
AnMapEtypeToBtype(UINT32 Etype)327 AnMapEtypeToBtype (
328 UINT32 Etype)
329 {
330
331 if (Etype == ACPI_TYPE_ANY)
332 {
333 return (ACPI_BTYPE_OBJECTS_AND_REFS);
334 }
335
336 /* Try the standard ACPI data types */
337
338 if (Etype <= ACPI_TYPE_EXTERNAL_MAX)
339 {
340 /*
341 * This switch statement implements the allowed operand conversion
342 * rules as per the "ASL Data Types" section of the ACPI
343 * specification.
344 */
345 switch (Etype)
346 {
347 case ACPI_TYPE_INTEGER:
348
349 return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_DDB_HANDLE);
350
351 case ACPI_TYPE_STRING:
352 case ACPI_TYPE_BUFFER:
353
354 return (ACPI_BTYPE_COMPUTE_DATA);
355
356 case ACPI_TYPE_PACKAGE:
357
358 return (ACPI_BTYPE_PACKAGE);
359
360 case ACPI_TYPE_FIELD_UNIT:
361
362 return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_FIELD_UNIT);
363
364 case ACPI_TYPE_BUFFER_FIELD:
365
366 return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_BUFFER_FIELD);
367
368 case ACPI_TYPE_DDB_HANDLE:
369
370 return (ACPI_BTYPE_INTEGER | ACPI_BTYPE_DDB_HANDLE);
371
372 case ACPI_TYPE_DEBUG_OBJECT:
373
374 /* Cannot be used as a source operand */
375
376 return (0);
377
378 default:
379
380 return (1 << (Etype - 1));
381 }
382 }
383
384 /* Try the internal data types */
385
386 switch (Etype)
387 {
388 case ACPI_TYPE_LOCAL_REGION_FIELD:
389 case ACPI_TYPE_LOCAL_BANK_FIELD:
390 case ACPI_TYPE_LOCAL_INDEX_FIELD:
391
392 /* Named fields can be either Integer/Buffer/String */
393
394 return (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_FIELD_UNIT);
395
396 case ACPI_TYPE_LOCAL_ALIAS:
397
398 return (ACPI_BTYPE_INTEGER);
399
400
401 case ACPI_TYPE_LOCAL_RESOURCE:
402 case ACPI_TYPE_LOCAL_RESOURCE_FIELD:
403
404 return (ACPI_BTYPE_REFERENCE_OBJECT);
405
406 default:
407
408 printf ("Unhandled encoded type: %X\n", Etype);
409 return (0);
410 }
411 }
412
413
414 /*******************************************************************************
415 *
416 * FUNCTION: AnFormatBtype
417 *
418 * PARAMETERS: Btype - Bitfield of ACPI types
419 * Buffer - Where to put the ascii string
420 *
421 * RETURN: None.
422 *
423 * DESCRIPTION: Convert a Btype to a string of ACPI types
424 *
425 ******************************************************************************/
426
427 void
AnFormatBtype(char * Buffer,UINT32 Btype)428 AnFormatBtype (
429 char *Buffer,
430 UINT32 Btype)
431 {
432 UINT32 Type;
433 BOOLEAN First = TRUE;
434
435
436 *Buffer = 0;
437 if (Btype == 0)
438 {
439 strcat (Buffer, "NoReturnValue");
440 return;
441 }
442
443 for (Type = 1; Type <= ACPI_TYPE_EXTERNAL_MAX; Type++)
444 {
445 if (Btype & 0x00000001)
446 {
447 if (!First)
448 {
449 strcat (Buffer, "|");
450 }
451
452 First = FALSE;
453 strcat (Buffer, AcpiUtGetTypeName (Type));
454 }
455 Btype >>= 1;
456 }
457
458 if (Btype & 0x00000001)
459 {
460 if (!First)
461 {
462 strcat (Buffer, "|");
463 }
464
465 First = FALSE;
466 strcat (Buffer, "Reference");
467 }
468
469 Btype >>= 1;
470 if (Btype & 0x00000001)
471 {
472 if (!First)
473 {
474 strcat (Buffer, "|");
475 }
476
477 strcat (Buffer, "Resource");
478 }
479 }
480
481
482 /*******************************************************************************
483 *
484 * FUNCTION: AnGetBtype
485 *
486 * PARAMETERS: Op - Parse node whose type will be returned.
487 *
488 * RETURN: The Btype associated with the Op.
489 *
490 * DESCRIPTION: Get the (bitfield) ACPI type associated with the parse node.
491 * Handles the case where the node is a name or method call and
492 * the actual type must be obtained from the namespace node.
493 *
494 ******************************************************************************/
495
496 UINT32
AnGetBtype(ACPI_PARSE_OBJECT * Op)497 AnGetBtype (
498 ACPI_PARSE_OBJECT *Op)
499 {
500 ACPI_NAMESPACE_NODE *Node;
501 ACPI_PARSE_OBJECT *ReferencedNode;
502 UINT32 ThisNodeBtype = 0;
503
504 ACPI_FUNCTION_NAME (AnGetBtype);
505
506 if (!Op)
507 {
508 AcpiOsPrintf ("Null Op in %s\n", ACPI_GET_FUNCTION_NAME);
509 return (ACPI_UINT32_MAX);
510 }
511
512 if ((Op->Asl.ParseOpcode == PARSEOP_NAMESEG) ||
513 (Op->Asl.ParseOpcode == PARSEOP_NAMESTRING) ||
514 (Op->Asl.ParseOpcode == PARSEOP_METHODCALL))
515 {
516 Node = Op->Asl.Node;
517 if (!Node)
518 {
519 /* These are not expected to have a node at this time */
520
521 if ((Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEWORDFIELD) ||
522 (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEDWORDFIELD) ||
523 (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEQWORDFIELD) ||
524 (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEBYTEFIELD) ||
525 (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEBITFIELD) ||
526 (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEFIELD) ||
527 (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CONDREFOF))
528 {
529 return (ACPI_UINT32_MAX - 1);
530 }
531
532 DbgPrint (ASL_DEBUG_OUTPUT,
533 "No attached Nsnode: [%s] at line %u name [%s], "
534 "ignoring typecheck. Parent [%s]\n",
535 Op->Asl.ParseOpName, Op->Asl.LineNumber,
536 Op->Asl.ExternalName, Op->Asl.Parent->Asl.ParseOpName);
537 return (ACPI_UINT32_MAX - 1);
538 }
539
540 ThisNodeBtype = AnMapEtypeToBtype (Node->Type);
541 if (!ThisNodeBtype)
542 {
543 AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op,
544 "could not map type");
545 }
546
547 if (Op->Asl.ParseOpcode == PARSEOP_METHODCALL)
548 {
549 ReferencedNode = Node->Op;
550 if (!ReferencedNode)
551 {
552 /* Check for an internal method */
553
554 if (AnIsInternalMethod (Op))
555 {
556 return (AnGetInternalMethodReturnType (Op));
557 }
558
559 AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op,
560 "null Op pointer");
561 return (ACPI_UINT32_MAX);
562 }
563
564 if (ReferencedNode->Asl.CompileFlags & OP_METHOD_TYPED)
565 {
566 ThisNodeBtype = ReferencedNode->Asl.AcpiBtype;
567 }
568 else
569 {
570 return (ACPI_UINT32_MAX -1);
571 }
572 }
573 }
574 else
575 {
576 ThisNodeBtype = Op->Asl.AcpiBtype;
577 }
578
579 return (ThisNodeBtype);
580 }
581
582
583 /*******************************************************************************
584 *
585 * FUNCTION: AnMapObjTypeToBtype
586 *
587 * PARAMETERS: Op - A parse node
588 *
589 * RETURN: A Btype
590 *
591 * DESCRIPTION: Map object to the associated "Btype"
592 *
593 ******************************************************************************/
594
595 UINT32
AnMapObjTypeToBtype(ACPI_PARSE_OBJECT * Op)596 AnMapObjTypeToBtype (
597 ACPI_PARSE_OBJECT *Op)
598 {
599
600 switch (Op->Asl.ParseOpcode)
601 {
602 case PARSEOP_OBJECTTYPE_BFF: /* "BuffFieldObj" */
603
604 return (ACPI_BTYPE_BUFFER_FIELD);
605
606 case PARSEOP_OBJECTTYPE_BUF: /* "BuffObj" */
607
608 return (ACPI_BTYPE_BUFFER);
609
610 case PARSEOP_OBJECTTYPE_DDB: /* "DDBHandleObj" */
611
612 return (ACPI_BTYPE_DDB_HANDLE);
613
614 case PARSEOP_OBJECTTYPE_DEV: /* "DeviceObj" */
615
616 return (ACPI_BTYPE_DEVICE);
617
618 case PARSEOP_OBJECTTYPE_EVT: /* "EventObj" */
619
620 return (ACPI_BTYPE_EVENT);
621
622 case PARSEOP_OBJECTTYPE_FLD: /* "FieldUnitObj" */
623
624 return (ACPI_BTYPE_FIELD_UNIT);
625
626 case PARSEOP_OBJECTTYPE_INT: /* "IntObj" */
627
628 return (ACPI_BTYPE_INTEGER);
629
630 case PARSEOP_OBJECTTYPE_MTH: /* "MethodObj" */
631
632 return (ACPI_BTYPE_METHOD);
633
634 case PARSEOP_OBJECTTYPE_MTX: /* "MutexObj" */
635
636 return (ACPI_BTYPE_MUTEX);
637
638 case PARSEOP_OBJECTTYPE_OPR: /* "OpRegionObj" */
639
640 return (ACPI_BTYPE_REGION);
641
642 case PARSEOP_OBJECTTYPE_PKG: /* "PkgObj" */
643
644 return (ACPI_BTYPE_PACKAGE);
645
646 case PARSEOP_OBJECTTYPE_POW: /* "PowerResObj" */
647
648 return (ACPI_BTYPE_POWER);
649
650 case PARSEOP_OBJECTTYPE_STR: /* "StrObj" */
651
652 return (ACPI_BTYPE_STRING);
653
654 case PARSEOP_OBJECTTYPE_THZ: /* "ThermalZoneObj" */
655
656 return (ACPI_BTYPE_THERMAL);
657
658 case PARSEOP_OBJECTTYPE_UNK: /* "UnknownObj" */
659
660 return (ACPI_BTYPE_OBJECTS_AND_REFS);
661
662 default:
663
664 return (0);
665 }
666 }
667
668
669 #ifdef ACPI_OBSOLETE_FUNCTIONS
670 /*******************************************************************************
671 *
672 * FUNCTION: AnMapBtypeToEtype
673 *
674 * PARAMETERS: Btype - Bitfield of ACPI types
675 *
676 * RETURN: The Etype corresponding the Btype
677 *
678 * DESCRIPTION: Convert a bitfield type to an encoded type
679 *
680 ******************************************************************************/
681
682 UINT32
AnMapBtypeToEtype(UINT32 Btype)683 AnMapBtypeToEtype (
684 UINT32 Btype)
685 {
686 UINT32 i;
687 UINT32 Etype;
688
689
690 if (Btype == 0)
691 {
692 return (0);
693 }
694
695 Etype = 1;
696 for (i = 1; i < Btype; i *= 2)
697 {
698 Etype++;
699 }
700
701 return (Etype);
702 }
703 #endif
704
