xref: /illumos-gate/usr/src/cmd/acpi/iasl/aslbtypes.c (revision 35786f68)
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 - 2018, Intel Corp.
12  * All rights reserved.
13  *
14  * 2. License
15  *
16  * 2.1. This is your license from Intel Corp. under its intellectual property
17  * rights. You may have additional license terms from the party that provided
18  * you this software, covering your right to use that party's intellectual
19  * property rights.
20  *
21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22  * copy of the source code appearing in this file ("Covered Code") an
23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24  * base code distributed originally by Intel ("Original Intel Code") to copy,
25  * 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         First = FALSE;
478         strcat (Buffer, "Resource");
479     }
480 }
481 
482 
483 /*******************************************************************************
484  *
485  * FUNCTION:    AnGetBtype
486  *
487  * PARAMETERS:  Op                  - Parse node whose type will be returned.
488  *
489  * RETURN:      The Btype associated with the Op.
490  *
491  * DESCRIPTION: Get the (bitfield) ACPI type associated with the parse node.
492  *              Handles the case where the node is a name or method call and
493  *              the actual type must be obtained from the namespace node.
494  *
495  ******************************************************************************/
496 
497 UINT32
AnGetBtype(ACPI_PARSE_OBJECT * Op)498 AnGetBtype (
499     ACPI_PARSE_OBJECT       *Op)
500 {
501     ACPI_NAMESPACE_NODE     *Node;
502     ACPI_PARSE_OBJECT       *ReferencedNode;
503     UINT32                  ThisNodeBtype = 0;
504 
505 
506     if (!Op)
507     {
508         AcpiOsPrintf ("Null Op in AnGetBtype\n");
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 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