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 - 2020, 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 <contrib/dev/acpica/compiler/aslcompiler.h>
153#include "aslcompiler.y.h"
154#include <contrib/dev/acpica/include/amlcode.h>
155
156
157#define _COMPONENT          ACPI_COMPILER
158        ACPI_MODULE_NAME    ("aslbtypes")
159
160/* Local prototypes */
161
162static UINT32
163AnMapEtypeToBtype (
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
182UINT32
183AnMapArgTypeToBtype (
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
326static UINT32
327AnMapEtypeToBtype (
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
427void
428AnFormatBtype (
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
496UINT32
497AnGetBtype (
498    ACPI_PARSE_OBJECT       *Op)
499{
500    ACPI_NAMESPACE_NODE     *Node;
501    ACPI_PARSE_OBJECT       *ReferencedNode;
502    UINT32                  ThisNodeBtype = 0;
503
504
505    if (!Op)
506    {
507        AcpiOsPrintf ("Null Op in AnGetBtype\n");
508        return (ACPI_UINT32_MAX);
509    }
510
511    if ((Op->Asl.ParseOpcode == PARSEOP_NAMESEG)     ||
512        (Op->Asl.ParseOpcode == PARSEOP_NAMESTRING)  ||
513        (Op->Asl.ParseOpcode == PARSEOP_METHODCALL))
514    {
515        Node = Op->Asl.Node;
516        if (!Node)
517        {
518            /* These are not expected to have a node at this time */
519
520            if ((Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEWORDFIELD) ||
521                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEDWORDFIELD) ||
522                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEQWORDFIELD) ||
523                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEBYTEFIELD) ||
524                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEBITFIELD) ||
525                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CREATEFIELD)    ||
526                (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_CONDREFOF))
527            {
528                return (ACPI_UINT32_MAX - 1);
529            }
530
531            DbgPrint (ASL_DEBUG_OUTPUT,
532                "No attached Nsnode: [%s] at line %u name [%s], "
533                "ignoring typecheck. Parent [%s]\n",
534                Op->Asl.ParseOpName, Op->Asl.LineNumber,
535                Op->Asl.ExternalName, Op->Asl.Parent->Asl.ParseOpName);
536            return (ACPI_UINT32_MAX - 1);
537        }
538
539        ThisNodeBtype = AnMapEtypeToBtype (Node->Type);
540        if (!ThisNodeBtype)
541        {
542            AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op,
543                "could not map type");
544        }
545
546        if (Op->Asl.ParseOpcode == PARSEOP_METHODCALL)
547        {
548            ReferencedNode = Node->Op;
549            if (!ReferencedNode)
550            {
551                /* Check for an internal method */
552
553                if (AnIsInternalMethod (Op))
554                {
555                    return (AnGetInternalMethodReturnType (Op));
556                }
557
558                AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, Op,
559                    "null Op pointer");
560                return (ACPI_UINT32_MAX);
561            }
562
563            if (ReferencedNode->Asl.CompileFlags & OP_METHOD_TYPED)
564            {
565                ThisNodeBtype = ReferencedNode->Asl.AcpiBtype;
566            }
567            else
568            {
569                return (ACPI_UINT32_MAX -1);
570            }
571        }
572    }
573    else
574    {
575        ThisNodeBtype = Op->Asl.AcpiBtype;
576    }
577
578    return (ThisNodeBtype);
579}
580
581
582/*******************************************************************************
583 *
584 * FUNCTION:    AnMapObjTypeToBtype
585 *
586 * PARAMETERS:  Op                  - A parse node
587 *
588 * RETURN:      A Btype
589 *
590 * DESCRIPTION: Map object to the associated "Btype"
591 *
592 ******************************************************************************/
593
594UINT32
595AnMapObjTypeToBtype (
596    ACPI_PARSE_OBJECT       *Op)
597{
598
599    switch (Op->Asl.ParseOpcode)
600    {
601    case PARSEOP_OBJECTTYPE_BFF:        /* "BuffFieldObj" */
602
603        return (ACPI_BTYPE_BUFFER_FIELD);
604
605    case PARSEOP_OBJECTTYPE_BUF:        /* "BuffObj" */
606
607        return (ACPI_BTYPE_BUFFER);
608
609    case PARSEOP_OBJECTTYPE_DDB:        /* "DDBHandleObj" */
610
611        return (ACPI_BTYPE_DDB_HANDLE);
612
613    case PARSEOP_OBJECTTYPE_DEV:        /* "DeviceObj" */
614
615        return (ACPI_BTYPE_DEVICE);
616
617    case PARSEOP_OBJECTTYPE_EVT:        /* "EventObj" */
618
619        return (ACPI_BTYPE_EVENT);
620
621    case PARSEOP_OBJECTTYPE_FLD:        /* "FieldUnitObj" */
622
623        return (ACPI_BTYPE_FIELD_UNIT);
624
625    case PARSEOP_OBJECTTYPE_INT:        /* "IntObj" */
626
627        return (ACPI_BTYPE_INTEGER);
628
629    case PARSEOP_OBJECTTYPE_MTH:        /* "MethodObj" */
630
631        return (ACPI_BTYPE_METHOD);
632
633    case PARSEOP_OBJECTTYPE_MTX:        /* "MutexObj" */
634
635        return (ACPI_BTYPE_MUTEX);
636
637    case PARSEOP_OBJECTTYPE_OPR:        /* "OpRegionObj" */
638
639        return (ACPI_BTYPE_REGION);
640
641    case PARSEOP_OBJECTTYPE_PKG:        /* "PkgObj" */
642
643        return (ACPI_BTYPE_PACKAGE);
644
645    case PARSEOP_OBJECTTYPE_POW:        /* "PowerResObj" */
646
647        return (ACPI_BTYPE_POWER);
648
649    case PARSEOP_OBJECTTYPE_STR:        /* "StrObj" */
650
651        return (ACPI_BTYPE_STRING);
652
653    case PARSEOP_OBJECTTYPE_THZ:        /* "ThermalZoneObj" */
654
655        return (ACPI_BTYPE_THERMAL);
656
657    case PARSEOP_OBJECTTYPE_UNK:        /* "UnknownObj" */
658
659        return (ACPI_BTYPE_OBJECTS_AND_REFS);
660
661    default:
662
663        return (0);
664    }
665}
666
667
668#ifdef ACPI_OBSOLETE_FUNCTIONS
669/*******************************************************************************
670 *
671 * FUNCTION:    AnMapBtypeToEtype
672 *
673 * PARAMETERS:  Btype               - Bitfield of ACPI types
674 *
675 * RETURN:      The Etype corresponding the the Btype
676 *
677 * DESCRIPTION: Convert a bitfield type to an encoded type
678 *
679 ******************************************************************************/
680
681UINT32
682AnMapBtypeToEtype (
683    UINT32              Btype)
684{
685    UINT32              i;
686    UINT32              Etype;
687
688
689    if (Btype == 0)
690    {
691        return (0);
692    }
693
694    Etype = 1;
695    for (i = 1; i < Btype; i *= 2)
696    {
697        Etype++;
698    }
699
700    return (Etype);
701}
702#endif
703