1 /******************************************************************************
2 *
3 * Name: acinterp.h - Interpreter subcomponent prototypes and defines
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2011, 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 #ifndef __ACINTERP_H__
45 #define __ACINTERP_H__
46
47
48 #define ACPI_WALK_OPERANDS (&(WalkState->Operands [WalkState->NumOperands -1]))
49
50 /* Macros for tables used for debug output */
51
52 #define ACPI_EXD_OFFSET(f) (UINT8) ACPI_OFFSET (ACPI_OPERAND_OBJECT,f)
53 #define ACPI_EXD_NSOFFSET(f) (UINT8) ACPI_OFFSET (ACPI_NAMESPACE_NODE,f)
54 #define ACPI_EXD_TABLE_SIZE(name) (sizeof(name) / sizeof (ACPI_EXDUMP_INFO))
55
56 /*
57 * If possible, pack the following structures to byte alignment, since we
58 * don't care about performance for debug output. Two cases where we cannot
59 * pack the structures:
60 *
61 * 1) Hardware does not support misaligned memory transfers
62 * 2) Compiler does not support pointers within packed structures
63 */
64 #if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
65 #pragma pack(1)
66 #endif
67
68 typedef const struct acpi_exdump_info
69 {
70 UINT8 Opcode;
71 UINT8 Offset;
72 char *Name;
73
74 } ACPI_EXDUMP_INFO;
75
76 /* Values for the Opcode field above */
77
78 #define ACPI_EXD_INIT 0
79 #define ACPI_EXD_TYPE 1
80 #define ACPI_EXD_UINT8 2
81 #define ACPI_EXD_UINT16 3
82 #define ACPI_EXD_UINT32 4
83 #define ACPI_EXD_UINT64 5
84 #define ACPI_EXD_LITERAL 6
85 #define ACPI_EXD_POINTER 7
86 #define ACPI_EXD_ADDRESS 8
87 #define ACPI_EXD_STRING 9
88 #define ACPI_EXD_BUFFER 10
89 #define ACPI_EXD_PACKAGE 11
90 #define ACPI_EXD_FIELD 12
91 #define ACPI_EXD_REFERENCE 13
92
93 /* restore default alignment */
94
95 #pragma pack()
96
97
98 /*
99 * exconvrt - object conversion
100 */
101 ACPI_STATUS
102 AcpiExConvertToInteger (
103 ACPI_OPERAND_OBJECT *ObjDesc,
104 ACPI_OPERAND_OBJECT **ResultDesc,
105 UINT32 Flags);
106
107 ACPI_STATUS
108 AcpiExConvertToBuffer (
109 ACPI_OPERAND_OBJECT *ObjDesc,
110 ACPI_OPERAND_OBJECT **ResultDesc);
111
112 ACPI_STATUS
113 AcpiExConvertToString (
114 ACPI_OPERAND_OBJECT *ObjDesc,
115 ACPI_OPERAND_OBJECT **ResultDesc,
116 UINT32 Type);
117
118 /* Types for ->String conversion */
119
120 #define ACPI_EXPLICIT_BYTE_COPY 0x00000000
121 #define ACPI_EXPLICIT_CONVERT_HEX 0x00000001
122 #define ACPI_IMPLICIT_CONVERT_HEX 0x00000002
123 #define ACPI_EXPLICIT_CONVERT_DECIMAL 0x00000003
124
125 ACPI_STATUS
126 AcpiExConvertToTargetType (
127 ACPI_OBJECT_TYPE DestinationType,
128 ACPI_OPERAND_OBJECT *SourceDesc,
129 ACPI_OPERAND_OBJECT **ResultDesc,
130 ACPI_WALK_STATE *WalkState);
131
132
133 /*
134 * exdebug - AML debug object
135 */
136 void
137 AcpiExDoDebugObject (
138 ACPI_OPERAND_OBJECT *SourceDesc,
139 UINT32 Level,
140 UINT32 Index);
141
142
143 /*
144 * exfield - ACPI AML (p-code) execution - field manipulation
145 */
146 ACPI_STATUS
147 AcpiExCommonBufferSetup (
148 ACPI_OPERAND_OBJECT *ObjDesc,
149 UINT32 BufferLength,
150 UINT32 *DatumCount);
151
152 ACPI_STATUS
153 AcpiExWriteWithUpdateRule (
154 ACPI_OPERAND_OBJECT *ObjDesc,
155 UINT64 Mask,
156 UINT64 FieldValue,
157 UINT32 FieldDatumByteOffset);
158
159 void
160 AcpiExGetBufferDatum(
161 UINT64 *Datum,
162 void *Buffer,
163 UINT32 BufferLength,
164 UINT32 ByteGranularity,
165 UINT32 BufferOffset);
166
167 void
168 AcpiExSetBufferDatum (
169 UINT64 MergedDatum,
170 void *Buffer,
171 UINT32 BufferLength,
172 UINT32 ByteGranularity,
173 UINT32 BufferOffset);
174
175 ACPI_STATUS
176 AcpiExReadDataFromField (
177 ACPI_WALK_STATE *WalkState,
178 ACPI_OPERAND_OBJECT *ObjDesc,
179 ACPI_OPERAND_OBJECT **RetBufferDesc);
180
181 ACPI_STATUS
182 AcpiExWriteDataToField (
183 ACPI_OPERAND_OBJECT *SourceDesc,
184 ACPI_OPERAND_OBJECT *ObjDesc,
185 ACPI_OPERAND_OBJECT **ResultDesc);
186
187
188 /*
189 * exfldio - low level field I/O
190 */
191 ACPI_STATUS
192 AcpiExExtractFromField (
193 ACPI_OPERAND_OBJECT *ObjDesc,
194 void *Buffer,
195 UINT32 BufferLength);
196
197 ACPI_STATUS
198 AcpiExInsertIntoField (
199 ACPI_OPERAND_OBJECT *ObjDesc,
200 void *Buffer,
201 UINT32 BufferLength);
202
203 ACPI_STATUS
204 AcpiExAccessRegion (
205 ACPI_OPERAND_OBJECT *ObjDesc,
206 UINT32 FieldDatumByteOffset,
207 UINT64 *Value,
208 UINT32 ReadWrite);
209
210
211 /*
212 * exmisc - misc support routines
213 */
214 ACPI_STATUS
215 AcpiExGetObjectReference (
216 ACPI_OPERAND_OBJECT *ObjDesc,
217 ACPI_OPERAND_OBJECT **ReturnDesc,
218 ACPI_WALK_STATE *WalkState);
219
220 ACPI_STATUS
221 AcpiExConcatTemplate (
222 ACPI_OPERAND_OBJECT *ObjDesc,
223 ACPI_OPERAND_OBJECT *ObjDesc2,
224 ACPI_OPERAND_OBJECT **ActualReturnDesc,
225 ACPI_WALK_STATE *WalkState);
226
227 ACPI_STATUS
228 AcpiExDoConcatenate (
229 ACPI_OPERAND_OBJECT *ObjDesc,
230 ACPI_OPERAND_OBJECT *ObjDesc2,
231 ACPI_OPERAND_OBJECT **ActualReturnDesc,
232 ACPI_WALK_STATE *WalkState);
233
234 ACPI_STATUS
235 AcpiExDoLogicalNumericOp (
236 UINT16 Opcode,
237 UINT64 Integer0,
238 UINT64 Integer1,
239 BOOLEAN *LogicalResult);
240
241 ACPI_STATUS
242 AcpiExDoLogicalOp (
243 UINT16 Opcode,
244 ACPI_OPERAND_OBJECT *Operand0,
245 ACPI_OPERAND_OBJECT *Operand1,
246 BOOLEAN *LogicalResult);
247
248 UINT64
249 AcpiExDoMathOp (
250 UINT16 Opcode,
251 UINT64 Operand0,
252 UINT64 Operand1);
253
254 ACPI_STATUS
255 AcpiExCreateMutex (
256 ACPI_WALK_STATE *WalkState);
257
258 ACPI_STATUS
259 AcpiExCreateProcessor (
260 ACPI_WALK_STATE *WalkState);
261
262 ACPI_STATUS
263 AcpiExCreatePowerResource (
264 ACPI_WALK_STATE *WalkState);
265
266 ACPI_STATUS
267 AcpiExCreateRegion (
268 UINT8 *AmlStart,
269 UINT32 AmlLength,
270 UINT8 RegionSpace,
271 ACPI_WALK_STATE *WalkState);
272
273 ACPI_STATUS
274 AcpiExCreateEvent (
275 ACPI_WALK_STATE *WalkState);
276
277 ACPI_STATUS
278 AcpiExCreateAlias (
279 ACPI_WALK_STATE *WalkState);
280
281 ACPI_STATUS
282 AcpiExCreateMethod (
283 UINT8 *AmlStart,
284 UINT32 AmlLength,
285 ACPI_WALK_STATE *WalkState);
286
287
288 /*
289 * exconfig - dynamic table load/unload
290 */
291 ACPI_STATUS
292 AcpiExLoadOp (
293 ACPI_OPERAND_OBJECT *ObjDesc,
294 ACPI_OPERAND_OBJECT *Target,
295 ACPI_WALK_STATE *WalkState);
296
297 ACPI_STATUS
298 AcpiExLoadTableOp (
299 ACPI_WALK_STATE *WalkState,
300 ACPI_OPERAND_OBJECT **ReturnDesc);
301
302 ACPI_STATUS
303 AcpiExUnloadTable (
304 ACPI_OPERAND_OBJECT *DdbHandle);
305
306
307 /*
308 * exmutex - mutex support
309 */
310 ACPI_STATUS
311 AcpiExAcquireMutex (
312 ACPI_OPERAND_OBJECT *TimeDesc,
313 ACPI_OPERAND_OBJECT *ObjDesc,
314 ACPI_WALK_STATE *WalkState);
315
316 ACPI_STATUS
317 AcpiExAcquireMutexObject (
318 UINT16 Timeout,
319 ACPI_OPERAND_OBJECT *ObjDesc,
320 ACPI_THREAD_ID ThreadId);
321
322 ACPI_STATUS
323 AcpiExReleaseMutex (
324 ACPI_OPERAND_OBJECT *ObjDesc,
325 ACPI_WALK_STATE *WalkState);
326
327 ACPI_STATUS
328 AcpiExReleaseMutexObject (
329 ACPI_OPERAND_OBJECT *ObjDesc);
330
331 void
332 AcpiExReleaseAllMutexes (
333 ACPI_THREAD_STATE *Thread);
334
335 void
336 AcpiExUnlinkMutex (
337 ACPI_OPERAND_OBJECT *ObjDesc);
338
339
340 /*
341 * exprep - ACPI AML execution - prep utilities
342 */
343 ACPI_STATUS
344 AcpiExPrepCommonFieldObject (
345 ACPI_OPERAND_OBJECT *ObjDesc,
346 UINT8 FieldFlags,
347 UINT8 FieldAttribute,
348 UINT32 FieldBitPosition,
349 UINT32 FieldBitLength);
350
351 ACPI_STATUS
352 AcpiExPrepFieldValue (
353 ACPI_CREATE_FIELD_INFO *Info);
354
355
356 /*
357 * exsystem - Interface to OS services
358 */
359 ACPI_STATUS
360 AcpiExSystemDoNotifyOp (
361 ACPI_OPERAND_OBJECT *Value,
362 ACPI_OPERAND_OBJECT *ObjDesc);
363
364 ACPI_STATUS
365 AcpiExSystemDoSleep(
366 UINT64 Time);
367
368 ACPI_STATUS
369 AcpiExSystemDoStall (
370 UINT32 Time);
371
372 ACPI_STATUS
373 AcpiExSystemSignalEvent(
374 ACPI_OPERAND_OBJECT *ObjDesc);
375
376 ACPI_STATUS
377 AcpiExSystemWaitEvent(
378 ACPI_OPERAND_OBJECT *Time,
379 ACPI_OPERAND_OBJECT *ObjDesc);
380
381 ACPI_STATUS
382 AcpiExSystemResetEvent(
383 ACPI_OPERAND_OBJECT *ObjDesc);
384
385 ACPI_STATUS
386 AcpiExSystemWaitSemaphore (
387 ACPI_SEMAPHORE Semaphore,
388 UINT16 Timeout);
389
390 ACPI_STATUS
391 AcpiExSystemWaitMutex (
392 ACPI_MUTEX Mutex,
393 UINT16 Timeout);
394
395 /*
396 * exoparg1 - ACPI AML execution, 1 operand
397 */
398 ACPI_STATUS
399 AcpiExOpcode_0A_0T_1R (
400 ACPI_WALK_STATE *WalkState);
401
402 ACPI_STATUS
403 AcpiExOpcode_1A_0T_0R (
404 ACPI_WALK_STATE *WalkState);
405
406 ACPI_STATUS
407 AcpiExOpcode_1A_0T_1R (
408 ACPI_WALK_STATE *WalkState);
409
410 ACPI_STATUS
411 AcpiExOpcode_1A_1T_1R (
412 ACPI_WALK_STATE *WalkState);
413
414 ACPI_STATUS
415 AcpiExOpcode_1A_1T_0R (
416 ACPI_WALK_STATE *WalkState);
417
418 /*
419 * exoparg2 - ACPI AML execution, 2 operands
420 */
421 ACPI_STATUS
422 AcpiExOpcode_2A_0T_0R (
423 ACPI_WALK_STATE *WalkState);
424
425 ACPI_STATUS
426 AcpiExOpcode_2A_0T_1R (
427 ACPI_WALK_STATE *WalkState);
428
429 ACPI_STATUS
430 AcpiExOpcode_2A_1T_1R (
431 ACPI_WALK_STATE *WalkState);
432
433 ACPI_STATUS
434 AcpiExOpcode_2A_2T_1R (
435 ACPI_WALK_STATE *WalkState);
436
437
438 /*
439 * exoparg3 - ACPI AML execution, 3 operands
440 */
441 ACPI_STATUS
442 AcpiExOpcode_3A_0T_0R (
443 ACPI_WALK_STATE *WalkState);
444
445 ACPI_STATUS
446 AcpiExOpcode_3A_1T_1R (
447 ACPI_WALK_STATE *WalkState);
448
449
450 /*
451 * exoparg6 - ACPI AML execution, 6 operands
452 */
453 ACPI_STATUS
454 AcpiExOpcode_6A_0T_1R (
455 ACPI_WALK_STATE *WalkState);
456
457
458 /*
459 * exresolv - Object resolution and get value functions
460 */
461 ACPI_STATUS
462 AcpiExResolveToValue (
463 ACPI_OPERAND_OBJECT **StackPtr,
464 ACPI_WALK_STATE *WalkState);
465
466 ACPI_STATUS
467 AcpiExResolveMultiple (
468 ACPI_WALK_STATE *WalkState,
469 ACPI_OPERAND_OBJECT *Operand,
470 ACPI_OBJECT_TYPE *ReturnType,
471 ACPI_OPERAND_OBJECT **ReturnDesc);
472
473
474 /*
475 * exresnte - resolve namespace node
476 */
477 ACPI_STATUS
478 AcpiExResolveNodeToValue (
479 ACPI_NAMESPACE_NODE **StackPtr,
480 ACPI_WALK_STATE *WalkState);
481
482
483 /*
484 * exresop - resolve operand to value
485 */
486 ACPI_STATUS
487 AcpiExResolveOperands (
488 UINT16 Opcode,
489 ACPI_OPERAND_OBJECT **StackPtr,
490 ACPI_WALK_STATE *WalkState);
491
492
493 /*
494 * exdump - Interpreter debug output routines
495 */
496 void
497 AcpiExDumpOperand (
498 ACPI_OPERAND_OBJECT *ObjDesc,
499 UINT32 Depth);
500
501 void
502 AcpiExDumpOperands (
503 ACPI_OPERAND_OBJECT **Operands,
504 const char *OpcodeName,
505 UINT32 NumOpcodes);
506
507 void
508 AcpiExDumpObjectDescriptor (
509 ACPI_OPERAND_OBJECT *Object,
510 UINT32 Flags);
511
512 void
513 AcpiExDumpNamespaceNode (
514 ACPI_NAMESPACE_NODE *Node,
515 UINT32 Flags);
516
517
518 /*
519 * exnames - AML namestring support
520 */
521 ACPI_STATUS
522 AcpiExGetNameString (
523 ACPI_OBJECT_TYPE DataType,
524 UINT8 *InAmlAddress,
525 char **OutNameString,
526 UINT32 *OutNameLength);
527
528
529 /*
530 * exstore - Object store support
531 */
532 ACPI_STATUS
533 AcpiExStore (
534 ACPI_OPERAND_OBJECT *ValDesc,
535 ACPI_OPERAND_OBJECT *DestDesc,
536 ACPI_WALK_STATE *WalkState);
537
538 ACPI_STATUS
539 AcpiExStoreObjectToNode (
540 ACPI_OPERAND_OBJECT *SourceDesc,
541 ACPI_NAMESPACE_NODE *Node,
542 ACPI_WALK_STATE *WalkState,
543 UINT8 ImplicitConversion);
544
545 #define ACPI_IMPLICIT_CONVERSION TRUE
546 #define ACPI_NO_IMPLICIT_CONVERSION FALSE
547
548
549 /*
550 * exstoren - resolve/store object
551 */
552 ACPI_STATUS
553 AcpiExResolveObject (
554 ACPI_OPERAND_OBJECT **SourceDescPtr,
555 ACPI_OBJECT_TYPE TargetType,
556 ACPI_WALK_STATE *WalkState);
557
558 ACPI_STATUS
559 AcpiExStoreObjectToObject (
560 ACPI_OPERAND_OBJECT *SourceDesc,
561 ACPI_OPERAND_OBJECT *DestDesc,
562 ACPI_OPERAND_OBJECT **NewDesc,
563 ACPI_WALK_STATE *WalkState);
564
565
566 /*
567 * exstorob - store object - buffer/string
568 */
569 ACPI_STATUS
570 AcpiExStoreBufferToBuffer (
571 ACPI_OPERAND_OBJECT *SourceDesc,
572 ACPI_OPERAND_OBJECT *TargetDesc);
573
574 ACPI_STATUS
575 AcpiExStoreStringToString (
576 ACPI_OPERAND_OBJECT *SourceDesc,
577 ACPI_OPERAND_OBJECT *TargetDesc);
578
579
580 /*
581 * excopy - object copy
582 */
583 ACPI_STATUS
584 AcpiExCopyIntegerToIndexField (
585 ACPI_OPERAND_OBJECT *SourceDesc,
586 ACPI_OPERAND_OBJECT *TargetDesc);
587
588 ACPI_STATUS
589 AcpiExCopyIntegerToBankField (
590 ACPI_OPERAND_OBJECT *SourceDesc,
591 ACPI_OPERAND_OBJECT *TargetDesc);
592
593 ACPI_STATUS
594 AcpiExCopyDataToNamedField (
595 ACPI_OPERAND_OBJECT *SourceDesc,
596 ACPI_NAMESPACE_NODE *Node);
597
598 ACPI_STATUS
599 AcpiExCopyIntegerToBufferField (
600 ACPI_OPERAND_OBJECT *SourceDesc,
601 ACPI_OPERAND_OBJECT *TargetDesc);
602
603
604 /*
605 * exutils - interpreter/scanner utilities
606 */
607 void
608 AcpiExEnterInterpreter (
609 void);
610
611 void
612 AcpiExExitInterpreter (
613 void);
614
615 void
616 AcpiExReacquireInterpreter (
617 void);
618
619 void
620 AcpiExRelinquishInterpreter (
621 void);
622
623 void
624 AcpiExTruncateFor32bitTable (
625 ACPI_OPERAND_OBJECT *ObjDesc);
626
627 void
628 AcpiExAcquireGlobalLock (
629 UINT32 Rule);
630
631 void
632 AcpiExReleaseGlobalLock (
633 UINT32 Rule);
634
635 void
636 AcpiExEisaIdToString (
637 char *Dest,
638 UINT64 CompressedId);
639
640 void
641 AcpiExIntegerToString (
642 char *Dest,
643 UINT64 Value);
644
645
646 /*
647 * exregion - default OpRegion handlers
648 */
649 ACPI_STATUS
650 AcpiExSystemMemorySpaceHandler (
651 UINT32 Function,
652 ACPI_PHYSICAL_ADDRESS Address,
653 UINT32 BitWidth,
654 UINT64 *Value,
655 void *HandlerContext,
656 void *RegionContext);
657
658 ACPI_STATUS
659 AcpiExSystemIoSpaceHandler (
660 UINT32 Function,
661 ACPI_PHYSICAL_ADDRESS Address,
662 UINT32 BitWidth,
663 UINT64 *Value,
664 void *HandlerContext,
665 void *RegionContext);
666
667 ACPI_STATUS
668 AcpiExPciConfigSpaceHandler (
669 UINT32 Function,
670 ACPI_PHYSICAL_ADDRESS Address,
671 UINT32 BitWidth,
672 UINT64 *Value,
673 void *HandlerContext,
674 void *RegionContext);
675
676 ACPI_STATUS
677 AcpiExCmosSpaceHandler (
678 UINT32 Function,
679 ACPI_PHYSICAL_ADDRESS Address,
680 UINT32 BitWidth,
681 UINT64 *Value,
682 void *HandlerContext,
683 void *RegionContext);
684
685 ACPI_STATUS
686 AcpiExPciBarSpaceHandler (
687 UINT32 Function,
688 ACPI_PHYSICAL_ADDRESS Address,
689 UINT32 BitWidth,
690 UINT64 *Value,
691 void *HandlerContext,
692 void *RegionContext);
693
694 ACPI_STATUS
695 AcpiExEmbeddedControllerSpaceHandler (
696 UINT32 Function,
697 ACPI_PHYSICAL_ADDRESS Address,
698 UINT32 BitWidth,
699 UINT64 *Value,
700 void *HandlerContext,
701 void *RegionContext);
702
703 ACPI_STATUS
704 AcpiExSmBusSpaceHandler (
705 UINT32 Function,
706 ACPI_PHYSICAL_ADDRESS Address,
707 UINT32 BitWidth,
708 UINT64 *Value,
709 void *HandlerContext,
710 void *RegionContext);
711
712
713 ACPI_STATUS
714 AcpiExDataTableSpaceHandler (
715 UINT32 Function,
716 ACPI_PHYSICAL_ADDRESS Address,
717 UINT32 BitWidth,
718 UINT64 *Value,
719 void *HandlerContext,
720 void *RegionContext);
721
722 #endif /* __INTERP_H__ */