1 /* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */
2 /* Instruction building/extraction support for iq2000. -*- C -*-
3
4 THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
5 - the resultant file is machine generated, cgen-ibld.in isn't
6
7 Copyright (C) 1996-2022 Free Software Foundation, Inc.
8
9 This file is part of libopcodes.
10
11 This library is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3, or (at your option)
14 any later version.
15
16 It is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
18 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
19 License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software Foundation, Inc.,
23 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
24
25 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
26 Keep that in mind. */
27
28 #include "sysdep.h"
29 #include <stdio.h>
30 #include "ansidecl.h"
31 #include "dis-asm.h"
32 #include "bfd.h"
33 #include "symcat.h"
34 #include "iq2000-desc.h"
35 #include "iq2000-opc.h"
36 #include "cgen/basic-modes.h"
37 #include "opintl.h"
38 #include "safe-ctype.h"
39
40 #undef min
41 #define min(a,b) ((a) < (b) ? (a) : (b))
42 #undef max
43 #define max(a,b) ((a) > (b) ? (a) : (b))
44
45 /* Used by the ifield rtx function. */
46 #define FLD(f) (fields->f)
47
48 static const char * insert_normal
49 (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
50 unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
51 static const char * insert_insn_normal
52 (CGEN_CPU_DESC, const CGEN_INSN *,
53 CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
54 static int extract_normal
55 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
56 unsigned int, unsigned int, unsigned int, unsigned int,
57 unsigned int, unsigned int, bfd_vma, long *);
58 static int extract_insn_normal
59 (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
60 CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
61 #if CGEN_INT_INSN_P
62 static void put_insn_int_value
63 (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
64 #endif
65 #if ! CGEN_INT_INSN_P
66 static CGEN_INLINE void insert_1
67 (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
68 static CGEN_INLINE int fill_cache
69 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, bfd_vma);
70 static CGEN_INLINE long extract_1
71 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
72 #endif
73
74 /* Operand insertion. */
75
76 #if ! CGEN_INT_INSN_P
77
78 /* Subroutine of insert_normal. */
79
80 static CGEN_INLINE void
insert_1(CGEN_CPU_DESC cd,unsigned long value,int start,int length,int word_length,unsigned char * bufp)81 insert_1 (CGEN_CPU_DESC cd,
82 unsigned long value,
83 int start,
84 int length,
85 int word_length,
86 unsigned char *bufp)
87 {
88 unsigned long x, mask;
89 int shift;
90
91 x = cgen_get_insn_value (cd, bufp, word_length, cd->endian);
92
93 /* Written this way to avoid undefined behaviour. */
94 mask = (1UL << (length - 1) << 1) - 1;
95 if (CGEN_INSN_LSB0_P)
96 shift = (start + 1) - length;
97 else
98 shift = (word_length - (start + length));
99 x = (x & ~(mask << shift)) | ((value & mask) << shift);
100
101 cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x, cd->endian);
102 }
103
104 #endif /* ! CGEN_INT_INSN_P */
105
106 /* Default insertion routine.
107
108 ATTRS is a mask of the boolean attributes.
109 WORD_OFFSET is the offset in bits from the start of the insn of the value.
110 WORD_LENGTH is the length of the word in bits in which the value resides.
111 START is the starting bit number in the word, architecture origin.
112 LENGTH is the length of VALUE in bits.
113 TOTAL_LENGTH is the total length of the insn in bits.
114
115 The result is an error message or NULL if success. */
116
117 /* ??? This duplicates functionality with bfd's howto table and
118 bfd_install_relocation. */
119 /* ??? This doesn't handle bfd_vma's. Create another function when
120 necessary. */
121
122 static const char *
insert_normal(CGEN_CPU_DESC cd,long value,unsigned int attrs,unsigned int word_offset,unsigned int start,unsigned int length,unsigned int word_length,unsigned int total_length,CGEN_INSN_BYTES_PTR buffer)123 insert_normal (CGEN_CPU_DESC cd,
124 long value,
125 unsigned int attrs,
126 unsigned int word_offset,
127 unsigned int start,
128 unsigned int length,
129 unsigned int word_length,
130 unsigned int total_length,
131 CGEN_INSN_BYTES_PTR buffer)
132 {
133 static char errbuf[100];
134 unsigned long mask;
135
136 /* If LENGTH is zero, this operand doesn't contribute to the value. */
137 if (length == 0)
138 return NULL;
139
140 /* Written this way to avoid undefined behaviour. */
141 mask = (1UL << (length - 1) << 1) - 1;
142
143 if (word_length > 8 * sizeof (CGEN_INSN_INT))
144 abort ();
145
146 /* For architectures with insns smaller than the base-insn-bitsize,
147 word_length may be too big. */
148 if (cd->min_insn_bitsize < cd->base_insn_bitsize)
149 {
150 if (word_offset == 0
151 && word_length > total_length)
152 word_length = total_length;
153 }
154
155 /* Ensure VALUE will fit. */
156 if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
157 {
158 long minval = - (1UL << (length - 1));
159 unsigned long maxval = mask;
160
161 if ((value > 0 && (unsigned long) value > maxval)
162 || value < minval)
163 {
164 /* xgettext:c-format */
165 sprintf (errbuf,
166 _("operand out of range (%ld not between %ld and %lu)"),
167 value, minval, maxval);
168 return errbuf;
169 }
170 }
171 else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
172 {
173 unsigned long maxval = mask;
174 unsigned long val = (unsigned long) value;
175
176 /* For hosts with a word size > 32 check to see if value has been sign
177 extended beyond 32 bits. If so then ignore these higher sign bits
178 as the user is attempting to store a 32-bit signed value into an
179 unsigned 32-bit field which is allowed. */
180 if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
181 val &= 0xFFFFFFFF;
182
183 if (val > maxval)
184 {
185 /* xgettext:c-format */
186 sprintf (errbuf,
187 _("operand out of range (0x%lx not between 0 and 0x%lx)"),
188 val, maxval);
189 return errbuf;
190 }
191 }
192 else
193 {
194 if (! cgen_signed_overflow_ok_p (cd))
195 {
196 long minval = - (1UL << (length - 1));
197 long maxval = (1UL << (length - 1)) - 1;
198
199 if (value < minval || value > maxval)
200 {
201 sprintf
202 /* xgettext:c-format */
203 (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
204 value, minval, maxval);
205 return errbuf;
206 }
207 }
208 }
209
210 #if CGEN_INT_INSN_P
211
212 {
213 int shift_within_word, shift_to_word, shift;
214
215 /* How to shift the value to BIT0 of the word. */
216 shift_to_word = total_length - (word_offset + word_length);
217
218 /* How to shift the value to the field within the word. */
219 if (CGEN_INSN_LSB0_P)
220 shift_within_word = start + 1 - length;
221 else
222 shift_within_word = word_length - start - length;
223
224 /* The total SHIFT, then mask in the value. */
225 shift = shift_to_word + shift_within_word;
226 *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
227 }
228
229 #else /* ! CGEN_INT_INSN_P */
230
231 {
232 unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
233
234 insert_1 (cd, value, start, length, word_length, bufp);
235 }
236
237 #endif /* ! CGEN_INT_INSN_P */
238
239 return NULL;
240 }
241
242 /* Default insn builder (insert handler).
243 The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
244 that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
245 recorded in host byte order, otherwise BUFFER is an array of bytes
246 and the value is recorded in target byte order).
247 The result is an error message or NULL if success. */
248
249 static const char *
insert_insn_normal(CGEN_CPU_DESC cd,const CGEN_INSN * insn,CGEN_FIELDS * fields,CGEN_INSN_BYTES_PTR buffer,bfd_vma pc)250 insert_insn_normal (CGEN_CPU_DESC cd,
251 const CGEN_INSN * insn,
252 CGEN_FIELDS * fields,
253 CGEN_INSN_BYTES_PTR buffer,
254 bfd_vma pc)
255 {
256 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
257 unsigned long value;
258 const CGEN_SYNTAX_CHAR_TYPE * syn;
259
260 CGEN_INIT_INSERT (cd);
261 value = CGEN_INSN_BASE_VALUE (insn);
262
263 /* If we're recording insns as numbers (rather than a string of bytes),
264 target byte order handling is deferred until later. */
265
266 #if CGEN_INT_INSN_P
267
268 put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
269 CGEN_FIELDS_BITSIZE (fields), value);
270
271 #else
272
273 cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
274 (unsigned) CGEN_FIELDS_BITSIZE (fields)),
275 value, cd->insn_endian);
276
277 #endif /* ! CGEN_INT_INSN_P */
278
279 /* ??? It would be better to scan the format's fields.
280 Still need to be able to insert a value based on the operand though;
281 e.g. storing a branch displacement that got resolved later.
282 Needs more thought first. */
283
284 for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
285 {
286 const char *errmsg;
287
288 if (CGEN_SYNTAX_CHAR_P (* syn))
289 continue;
290
291 errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
292 fields, buffer, pc);
293 if (errmsg)
294 return errmsg;
295 }
296
297 return NULL;
298 }
299
300 #if CGEN_INT_INSN_P
301 /* Cover function to store an insn value into an integral insn. Must go here
302 because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */
303
304 static void
put_insn_int_value(CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,CGEN_INSN_BYTES_PTR buf,int length,int insn_length,CGEN_INSN_INT value)305 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
306 CGEN_INSN_BYTES_PTR buf,
307 int length,
308 int insn_length,
309 CGEN_INSN_INT value)
310 {
311 /* For architectures with insns smaller than the base-insn-bitsize,
312 length may be too big. */
313 if (length > insn_length)
314 *buf = value;
315 else
316 {
317 int shift = insn_length - length;
318 /* Written this way to avoid undefined behaviour. */
319 CGEN_INSN_INT mask = length == 0 ? 0 : (1UL << (length - 1) << 1) - 1;
320
321 *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
322 }
323 }
324 #endif
325
326 /* Operand extraction. */
327
328 #if ! CGEN_INT_INSN_P
329
330 /* Subroutine of extract_normal.
331 Ensure sufficient bytes are cached in EX_INFO.
332 OFFSET is the offset in bytes from the start of the insn of the value.
333 BYTES is the length of the needed value.
334 Returns 1 for success, 0 for failure. */
335
336 static CGEN_INLINE int
fill_cache(CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,CGEN_EXTRACT_INFO * ex_info,int offset,int bytes,bfd_vma pc)337 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
338 CGEN_EXTRACT_INFO *ex_info,
339 int offset,
340 int bytes,
341 bfd_vma pc)
342 {
343 /* It's doubtful that the middle part has already been fetched so
344 we don't optimize that case. kiss. */
345 unsigned int mask;
346 disassemble_info *info = (disassemble_info *) ex_info->dis_info;
347
348 /* First do a quick check. */
349 mask = (1 << bytes) - 1;
350 if (((ex_info->valid >> offset) & mask) == mask)
351 return 1;
352
353 /* Search for the first byte we need to read. */
354 for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
355 if (! (mask & ex_info->valid))
356 break;
357
358 if (bytes)
359 {
360 int status;
361
362 pc += offset;
363 status = (*info->read_memory_func)
364 (pc, ex_info->insn_bytes + offset, bytes, info);
365
366 if (status != 0)
367 {
368 (*info->memory_error_func) (status, pc, info);
369 return 0;
370 }
371
372 ex_info->valid |= ((1 << bytes) - 1) << offset;
373 }
374
375 return 1;
376 }
377
378 /* Subroutine of extract_normal. */
379
380 static CGEN_INLINE long
extract_1(CGEN_CPU_DESC cd,CGEN_EXTRACT_INFO * ex_info ATTRIBUTE_UNUSED,int start,int length,int word_length,unsigned char * bufp,bfd_vma pc ATTRIBUTE_UNUSED)381 extract_1 (CGEN_CPU_DESC cd,
382 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
383 int start,
384 int length,
385 int word_length,
386 unsigned char *bufp,
387 bfd_vma pc ATTRIBUTE_UNUSED)
388 {
389 unsigned long x;
390 int shift;
391
392 x = cgen_get_insn_value (cd, bufp, word_length, cd->endian);
393
394 if (CGEN_INSN_LSB0_P)
395 shift = (start + 1) - length;
396 else
397 shift = (word_length - (start + length));
398 return x >> shift;
399 }
400
401 #endif /* ! CGEN_INT_INSN_P */
402
403 /* Default extraction routine.
404
405 INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
406 or sometimes less for cases like the m32r where the base insn size is 32
407 but some insns are 16 bits.
408 ATTRS is a mask of the boolean attributes. We only need `SIGNED',
409 but for generality we take a bitmask of all of them.
410 WORD_OFFSET is the offset in bits from the start of the insn of the value.
411 WORD_LENGTH is the length of the word in bits in which the value resides.
412 START is the starting bit number in the word, architecture origin.
413 LENGTH is the length of VALUE in bits.
414 TOTAL_LENGTH is the total length of the insn in bits.
415
416 Returns 1 for success, 0 for failure. */
417
418 /* ??? The return code isn't properly used. wip. */
419
420 /* ??? This doesn't handle bfd_vma's. Create another function when
421 necessary. */
422
423 static int
extract_normal(CGEN_CPU_DESC cd,CGEN_EXTRACT_INFO * ex_info,CGEN_INSN_INT insn_value,unsigned int attrs,unsigned int word_offset,unsigned int start,unsigned int length,unsigned int word_length,unsigned int total_length,bfd_vma pc,long * valuep)424 extract_normal (CGEN_CPU_DESC cd,
425 #if ! CGEN_INT_INSN_P
426 CGEN_EXTRACT_INFO *ex_info,
427 #else
428 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
429 #endif
430 CGEN_INSN_INT insn_value,
431 unsigned int attrs,
432 unsigned int word_offset,
433 unsigned int start,
434 unsigned int length,
435 unsigned int word_length,
436 unsigned int total_length,
437 #if ! CGEN_INT_INSN_P
438 bfd_vma pc,
439 #else
440 bfd_vma pc ATTRIBUTE_UNUSED,
441 #endif
442 long *valuep)
443 {
444 long value, mask;
445
446 /* If LENGTH is zero, this operand doesn't contribute to the value
447 so give it a standard value of zero. */
448 if (length == 0)
449 {
450 *valuep = 0;
451 return 1;
452 }
453
454 if (word_length > 8 * sizeof (CGEN_INSN_INT))
455 abort ();
456
457 /* For architectures with insns smaller than the insn-base-bitsize,
458 word_length may be too big. */
459 if (cd->min_insn_bitsize < cd->base_insn_bitsize)
460 {
461 if (word_offset + word_length > total_length)
462 word_length = total_length - word_offset;
463 }
464
465 /* Does the value reside in INSN_VALUE, and at the right alignment? */
466
467 if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
468 {
469 if (CGEN_INSN_LSB0_P)
470 value = insn_value >> ((word_offset + start + 1) - length);
471 else
472 value = insn_value >> (total_length - ( word_offset + start + length));
473 }
474
475 #if ! CGEN_INT_INSN_P
476
477 else
478 {
479 unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
480
481 if (word_length > 8 * sizeof (CGEN_INSN_INT))
482 abort ();
483
484 if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
485 {
486 *valuep = 0;
487 return 0;
488 }
489
490 value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
491 }
492
493 #endif /* ! CGEN_INT_INSN_P */
494
495 /* Written this way to avoid undefined behaviour. */
496 mask = (1UL << (length - 1) << 1) - 1;
497
498 value &= mask;
499 /* sign extend? */
500 if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
501 && (value & (1UL << (length - 1))))
502 value |= ~mask;
503
504 *valuep = value;
505
506 return 1;
507 }
508
509 /* Default insn extractor.
510
511 INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
512 The extracted fields are stored in FIELDS.
513 EX_INFO is used to handle reading variable length insns.
514 Return the length of the insn in bits, or 0 if no match,
515 or -1 if an error occurs fetching data (memory_error_func will have
516 been called). */
517
518 static int
extract_insn_normal(CGEN_CPU_DESC cd,const CGEN_INSN * insn,CGEN_EXTRACT_INFO * ex_info,CGEN_INSN_INT insn_value,CGEN_FIELDS * fields,bfd_vma pc)519 extract_insn_normal (CGEN_CPU_DESC cd,
520 const CGEN_INSN *insn,
521 CGEN_EXTRACT_INFO *ex_info,
522 CGEN_INSN_INT insn_value,
523 CGEN_FIELDS *fields,
524 bfd_vma pc)
525 {
526 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
527 const CGEN_SYNTAX_CHAR_TYPE *syn;
528
529 CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
530
531 CGEN_INIT_EXTRACT (cd);
532
533 for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
534 {
535 int length;
536
537 if (CGEN_SYNTAX_CHAR_P (*syn))
538 continue;
539
540 length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
541 ex_info, insn_value, fields, pc);
542 if (length <= 0)
543 return length;
544 }
545
546 /* We recognized and successfully extracted this insn. */
547 return CGEN_INSN_BITSIZE (insn);
548 }
549
550 /* Machine generated code added here. */
551
552 const char * iq2000_cgen_insert_operand
553 (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
554
555 /* Main entry point for operand insertion.
556
557 This function is basically just a big switch statement. Earlier versions
558 used tables to look up the function to use, but
559 - if the table contains both assembler and disassembler functions then
560 the disassembler contains much of the assembler and vice-versa,
561 - there's a lot of inlining possibilities as things grow,
562 - using a switch statement avoids the function call overhead.
563
564 This function could be moved into `parse_insn_normal', but keeping it
565 separate makes clear the interface between `parse_insn_normal' and each of
566 the handlers. It's also needed by GAS to insert operands that couldn't be
567 resolved during parsing. */
568
569 const char *
iq2000_cgen_insert_operand(CGEN_CPU_DESC cd,int opindex,CGEN_FIELDS * fields,CGEN_INSN_BYTES_PTR buffer,bfd_vma pc ATTRIBUTE_UNUSED)570 iq2000_cgen_insert_operand (CGEN_CPU_DESC cd,
571 int opindex,
572 CGEN_FIELDS * fields,
573 CGEN_INSN_BYTES_PTR buffer,
574 bfd_vma pc ATTRIBUTE_UNUSED)
575 {
576 const char * errmsg = NULL;
577 unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
578
579 switch (opindex)
580 {
581 case IQ2000_OPERAND__INDEX :
582 errmsg = insert_normal (cd, fields->f_index, 0, 0, 8, 9, 32, total_length, buffer);
583 break;
584 case IQ2000_OPERAND_BASE :
585 errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
586 break;
587 case IQ2000_OPERAND_BASEOFF :
588 errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
589 break;
590 case IQ2000_OPERAND_BITNUM :
591 errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
592 break;
593 case IQ2000_OPERAND_BYTECOUNT :
594 errmsg = insert_normal (cd, fields->f_bytecount, 0, 0, 7, 8, 32, total_length, buffer);
595 break;
596 case IQ2000_OPERAND_CAM_Y :
597 errmsg = insert_normal (cd, fields->f_cam_y, 0, 0, 2, 3, 32, total_length, buffer);
598 break;
599 case IQ2000_OPERAND_CAM_Z :
600 errmsg = insert_normal (cd, fields->f_cam_z, 0, 0, 5, 3, 32, total_length, buffer);
601 break;
602 case IQ2000_OPERAND_CM_3FUNC :
603 errmsg = insert_normal (cd, fields->f_cm_3func, 0, 0, 5, 3, 32, total_length, buffer);
604 break;
605 case IQ2000_OPERAND_CM_3Z :
606 errmsg = insert_normal (cd, fields->f_cm_3z, 0, 0, 1, 2, 32, total_length, buffer);
607 break;
608 case IQ2000_OPERAND_CM_4FUNC :
609 errmsg = insert_normal (cd, fields->f_cm_4func, 0, 0, 5, 4, 32, total_length, buffer);
610 break;
611 case IQ2000_OPERAND_CM_4Z :
612 errmsg = insert_normal (cd, fields->f_cm_4z, 0, 0, 2, 3, 32, total_length, buffer);
613 break;
614 case IQ2000_OPERAND_COUNT :
615 errmsg = insert_normal (cd, fields->f_count, 0, 0, 15, 7, 32, total_length, buffer);
616 break;
617 case IQ2000_OPERAND_EXECODE :
618 errmsg = insert_normal (cd, fields->f_excode, 0, 0, 25, 20, 32, total_length, buffer);
619 break;
620 case IQ2000_OPERAND_HI16 :
621 errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
622 break;
623 case IQ2000_OPERAND_IMM :
624 errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
625 break;
626 case IQ2000_OPERAND_JMPTARG :
627 {
628 long value = fields->f_jtarg;
629 value = ((USI) (((value) & (262143))) >> (2));
630 errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, buffer);
631 }
632 break;
633 case IQ2000_OPERAND_JMPTARGQ10 :
634 {
635 long value = fields->f_jtargq10;
636 value = ((USI) (((value) & (8388607))) >> (2));
637 errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, buffer);
638 }
639 break;
640 case IQ2000_OPERAND_LO16 :
641 errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
642 break;
643 case IQ2000_OPERAND_MASK :
644 errmsg = insert_normal (cd, fields->f_mask, 0, 0, 9, 4, 32, total_length, buffer);
645 break;
646 case IQ2000_OPERAND_MASKL :
647 errmsg = insert_normal (cd, fields->f_maskl, 0, 0, 4, 5, 32, total_length, buffer);
648 break;
649 case IQ2000_OPERAND_MASKQ10 :
650 errmsg = insert_normal (cd, fields->f_maskq10, 0, 0, 10, 5, 32, total_length, buffer);
651 break;
652 case IQ2000_OPERAND_MASKR :
653 errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
654 break;
655 case IQ2000_OPERAND_MLO16 :
656 errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
657 break;
658 case IQ2000_OPERAND_OFFSET :
659 {
660 long value = fields->f_offset;
661 value = ((SI) (((value) - (pc))) >> (2));
662 errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer);
663 }
664 break;
665 case IQ2000_OPERAND_RD :
666 errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
667 break;
668 case IQ2000_OPERAND_RD_RS :
669 {
670 {
671 FLD (f_rd) = FLD (f_rd_rs);
672 FLD (f_rs) = FLD (f_rd_rs);
673 }
674 errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
675 if (errmsg)
676 break;
677 errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
678 if (errmsg)
679 break;
680 }
681 break;
682 case IQ2000_OPERAND_RD_RT :
683 {
684 {
685 FLD (f_rd) = FLD (f_rd_rt);
686 FLD (f_rt) = FLD (f_rd_rt);
687 }
688 errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer);
689 if (errmsg)
690 break;
691 errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
692 if (errmsg)
693 break;
694 }
695 break;
696 case IQ2000_OPERAND_RS :
697 errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
698 break;
699 case IQ2000_OPERAND_RT :
700 errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
701 break;
702 case IQ2000_OPERAND_RT_RS :
703 {
704 {
705 FLD (f_rt) = FLD (f_rt_rs);
706 FLD (f_rs) = FLD (f_rt_rs);
707 }
708 errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer);
709 if (errmsg)
710 break;
711 errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
712 if (errmsg)
713 break;
714 }
715 break;
716 case IQ2000_OPERAND_SHAMT :
717 errmsg = insert_normal (cd, fields->f_shamt, 0, 0, 10, 5, 32, total_length, buffer);
718 break;
719
720 default :
721 /* xgettext:c-format */
722 opcodes_error_handler
723 (_("internal error: unrecognized field %d while building insn"),
724 opindex);
725 abort ();
726 }
727
728 return errmsg;
729 }
730
731 int iq2000_cgen_extract_operand
732 (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
733
734 /* Main entry point for operand extraction.
735 The result is <= 0 for error, >0 for success.
736 ??? Actual values aren't well defined right now.
737
738 This function is basically just a big switch statement. Earlier versions
739 used tables to look up the function to use, but
740 - if the table contains both assembler and disassembler functions then
741 the disassembler contains much of the assembler and vice-versa,
742 - there's a lot of inlining possibilities as things grow,
743 - using a switch statement avoids the function call overhead.
744
745 This function could be moved into `print_insn_normal', but keeping it
746 separate makes clear the interface between `print_insn_normal' and each of
747 the handlers. */
748
749 int
iq2000_cgen_extract_operand(CGEN_CPU_DESC cd,int opindex,CGEN_EXTRACT_INFO * ex_info,CGEN_INSN_INT insn_value,CGEN_FIELDS * fields,bfd_vma pc)750 iq2000_cgen_extract_operand (CGEN_CPU_DESC cd,
751 int opindex,
752 CGEN_EXTRACT_INFO *ex_info,
753 CGEN_INSN_INT insn_value,
754 CGEN_FIELDS * fields,
755 bfd_vma pc)
756 {
757 /* Assume success (for those operands that are nops). */
758 int length = 1;
759 unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
760
761 switch (opindex)
762 {
763 case IQ2000_OPERAND__INDEX :
764 length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_index);
765 break;
766 case IQ2000_OPERAND_BASE :
767 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
768 break;
769 case IQ2000_OPERAND_BASEOFF :
770 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
771 break;
772 case IQ2000_OPERAND_BITNUM :
773 length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
774 break;
775 case IQ2000_OPERAND_BYTECOUNT :
776 length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 8, 32, total_length, pc, & fields->f_bytecount);
777 break;
778 case IQ2000_OPERAND_CAM_Y :
779 length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cam_y);
780 break;
781 case IQ2000_OPERAND_CAM_Z :
782 length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cam_z);
783 break;
784 case IQ2000_OPERAND_CM_3FUNC :
785 length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cm_3func);
786 break;
787 case IQ2000_OPERAND_CM_3Z :
788 length = extract_normal (cd, ex_info, insn_value, 0, 0, 1, 2, 32, total_length, pc, & fields->f_cm_3z);
789 break;
790 case IQ2000_OPERAND_CM_4FUNC :
791 length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 4, 32, total_length, pc, & fields->f_cm_4func);
792 break;
793 case IQ2000_OPERAND_CM_4Z :
794 length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cm_4z);
795 break;
796 case IQ2000_OPERAND_COUNT :
797 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 7, 32, total_length, pc, & fields->f_count);
798 break;
799 case IQ2000_OPERAND_EXECODE :
800 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 20, 32, total_length, pc, & fields->f_excode);
801 break;
802 case IQ2000_OPERAND_HI16 :
803 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
804 break;
805 case IQ2000_OPERAND_IMM :
806 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
807 break;
808 case IQ2000_OPERAND_JMPTARG :
809 {
810 long value;
811 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, pc, & value);
812 value = ((((pc) & (0xf0000000))) | (((value) << (2))));
813 fields->f_jtarg = value;
814 }
815 break;
816 case IQ2000_OPERAND_JMPTARGQ10 :
817 {
818 long value;
819 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, pc, & value);
820 value = ((((pc) & (0xf0000000))) | (((value) << (2))));
821 fields->f_jtargq10 = value;
822 }
823 break;
824 case IQ2000_OPERAND_LO16 :
825 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
826 break;
827 case IQ2000_OPERAND_MASK :
828 length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 4, 32, total_length, pc, & fields->f_mask);
829 break;
830 case IQ2000_OPERAND_MASKL :
831 length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_maskl);
832 break;
833 case IQ2000_OPERAND_MASKQ10 :
834 length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_maskq10);
835 break;
836 case IQ2000_OPERAND_MASKR :
837 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
838 break;
839 case IQ2000_OPERAND_MLO16 :
840 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
841 break;
842 case IQ2000_OPERAND_OFFSET :
843 {
844 long value;
845 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, pc, & value);
846 value = ((((value) * (4))) + (((pc) + (4))));
847 fields->f_offset = value;
848 }
849 break;
850 case IQ2000_OPERAND_RD :
851 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
852 break;
853 case IQ2000_OPERAND_RD_RS :
854 {
855 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
856 if (length <= 0) break;
857 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
858 if (length <= 0) break;
859 {
860 FLD (f_rd_rs) = FLD (f_rs);
861 }
862 }
863 break;
864 case IQ2000_OPERAND_RD_RT :
865 {
866 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd);
867 if (length <= 0) break;
868 length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
869 if (length <= 0) break;
870 {
871 FLD (f_rd_rt) = FLD (f_rt);
872 }
873 }
874 break;
875 case IQ2000_OPERAND_RS :
876 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
877 break;
878 case IQ2000_OPERAND_RT :
879 length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
880 break;
881 case IQ2000_OPERAND_RT_RS :
882 {
883 length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt);
884 if (length <= 0) break;
885 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
886 if (length <= 0) break;
887 {
888 FLD (f_rd_rs) = FLD (f_rs);
889 }
890 }
891 break;
892 case IQ2000_OPERAND_SHAMT :
893 length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_shamt);
894 break;
895
896 default :
897 /* xgettext:c-format */
898 opcodes_error_handler
899 (_("internal error: unrecognized field %d while decoding insn"),
900 opindex);
901 abort ();
902 }
903
904 return length;
905 }
906
907 cgen_insert_fn * const iq2000_cgen_insert_handlers[] =
908 {
909 insert_insn_normal,
910 };
911
912 cgen_extract_fn * const iq2000_cgen_extract_handlers[] =
913 {
914 extract_insn_normal,
915 };
916
917 int iq2000_cgen_get_int_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
918 bfd_vma iq2000_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
919
920 /* Getting values from cgen_fields is handled by a collection of functions.
921 They are distinguished by the type of the VALUE argument they return.
922 TODO: floating point, inlining support, remove cases where result type
923 not appropriate. */
924
925 int
iq2000_cgen_get_int_operand(CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,int opindex,const CGEN_FIELDS * fields)926 iq2000_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
927 int opindex,
928 const CGEN_FIELDS * fields)
929 {
930 int value;
931
932 switch (opindex)
933 {
934 case IQ2000_OPERAND__INDEX :
935 value = fields->f_index;
936 break;
937 case IQ2000_OPERAND_BASE :
938 value = fields->f_rs;
939 break;
940 case IQ2000_OPERAND_BASEOFF :
941 value = fields->f_imm;
942 break;
943 case IQ2000_OPERAND_BITNUM :
944 value = fields->f_rt;
945 break;
946 case IQ2000_OPERAND_BYTECOUNT :
947 value = fields->f_bytecount;
948 break;
949 case IQ2000_OPERAND_CAM_Y :
950 value = fields->f_cam_y;
951 break;
952 case IQ2000_OPERAND_CAM_Z :
953 value = fields->f_cam_z;
954 break;
955 case IQ2000_OPERAND_CM_3FUNC :
956 value = fields->f_cm_3func;
957 break;
958 case IQ2000_OPERAND_CM_3Z :
959 value = fields->f_cm_3z;
960 break;
961 case IQ2000_OPERAND_CM_4FUNC :
962 value = fields->f_cm_4func;
963 break;
964 case IQ2000_OPERAND_CM_4Z :
965 value = fields->f_cm_4z;
966 break;
967 case IQ2000_OPERAND_COUNT :
968 value = fields->f_count;
969 break;
970 case IQ2000_OPERAND_EXECODE :
971 value = fields->f_excode;
972 break;
973 case IQ2000_OPERAND_HI16 :
974 value = fields->f_imm;
975 break;
976 case IQ2000_OPERAND_IMM :
977 value = fields->f_imm;
978 break;
979 case IQ2000_OPERAND_JMPTARG :
980 value = fields->f_jtarg;
981 break;
982 case IQ2000_OPERAND_JMPTARGQ10 :
983 value = fields->f_jtargq10;
984 break;
985 case IQ2000_OPERAND_LO16 :
986 value = fields->f_imm;
987 break;
988 case IQ2000_OPERAND_MASK :
989 value = fields->f_mask;
990 break;
991 case IQ2000_OPERAND_MASKL :
992 value = fields->f_maskl;
993 break;
994 case IQ2000_OPERAND_MASKQ10 :
995 value = fields->f_maskq10;
996 break;
997 case IQ2000_OPERAND_MASKR :
998 value = fields->f_rs;
999 break;
1000 case IQ2000_OPERAND_MLO16 :
1001 value = fields->f_imm;
1002 break;
1003 case IQ2000_OPERAND_OFFSET :
1004 value = fields->f_offset;
1005 break;
1006 case IQ2000_OPERAND_RD :
1007 value = fields->f_rd;
1008 break;
1009 case IQ2000_OPERAND_RD_RS :
1010 value = fields->f_rd_rs;
1011 break;
1012 case IQ2000_OPERAND_RD_RT :
1013 value = fields->f_rd_rt;
1014 break;
1015 case IQ2000_OPERAND_RS :
1016 value = fields->f_rs;
1017 break;
1018 case IQ2000_OPERAND_RT :
1019 value = fields->f_rt;
1020 break;
1021 case IQ2000_OPERAND_RT_RS :
1022 value = fields->f_rt_rs;
1023 break;
1024 case IQ2000_OPERAND_SHAMT :
1025 value = fields->f_shamt;
1026 break;
1027
1028 default :
1029 /* xgettext:c-format */
1030 opcodes_error_handler
1031 (_("internal error: unrecognized field %d while getting int operand"),
1032 opindex);
1033 abort ();
1034 }
1035
1036 return value;
1037 }
1038
1039 bfd_vma
iq2000_cgen_get_vma_operand(CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,int opindex,const CGEN_FIELDS * fields)1040 iq2000_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1041 int opindex,
1042 const CGEN_FIELDS * fields)
1043 {
1044 bfd_vma value;
1045
1046 switch (opindex)
1047 {
1048 case IQ2000_OPERAND__INDEX :
1049 value = fields->f_index;
1050 break;
1051 case IQ2000_OPERAND_BASE :
1052 value = fields->f_rs;
1053 break;
1054 case IQ2000_OPERAND_BASEOFF :
1055 value = fields->f_imm;
1056 break;
1057 case IQ2000_OPERAND_BITNUM :
1058 value = fields->f_rt;
1059 break;
1060 case IQ2000_OPERAND_BYTECOUNT :
1061 value = fields->f_bytecount;
1062 break;
1063 case IQ2000_OPERAND_CAM_Y :
1064 value = fields->f_cam_y;
1065 break;
1066 case IQ2000_OPERAND_CAM_Z :
1067 value = fields->f_cam_z;
1068 break;
1069 case IQ2000_OPERAND_CM_3FUNC :
1070 value = fields->f_cm_3func;
1071 break;
1072 case IQ2000_OPERAND_CM_3Z :
1073 value = fields->f_cm_3z;
1074 break;
1075 case IQ2000_OPERAND_CM_4FUNC :
1076 value = fields->f_cm_4func;
1077 break;
1078 case IQ2000_OPERAND_CM_4Z :
1079 value = fields->f_cm_4z;
1080 break;
1081 case IQ2000_OPERAND_COUNT :
1082 value = fields->f_count;
1083 break;
1084 case IQ2000_OPERAND_EXECODE :
1085 value = fields->f_excode;
1086 break;
1087 case IQ2000_OPERAND_HI16 :
1088 value = fields->f_imm;
1089 break;
1090 case IQ2000_OPERAND_IMM :
1091 value = fields->f_imm;
1092 break;
1093 case IQ2000_OPERAND_JMPTARG :
1094 value = fields->f_jtarg;
1095 break;
1096 case IQ2000_OPERAND_JMPTARGQ10 :
1097 value = fields->f_jtargq10;
1098 break;
1099 case IQ2000_OPERAND_LO16 :
1100 value = fields->f_imm;
1101 break;
1102 case IQ2000_OPERAND_MASK :
1103 value = fields->f_mask;
1104 break;
1105 case IQ2000_OPERAND_MASKL :
1106 value = fields->f_maskl;
1107 break;
1108 case IQ2000_OPERAND_MASKQ10 :
1109 value = fields->f_maskq10;
1110 break;
1111 case IQ2000_OPERAND_MASKR :
1112 value = fields->f_rs;
1113 break;
1114 case IQ2000_OPERAND_MLO16 :
1115 value = fields->f_imm;
1116 break;
1117 case IQ2000_OPERAND_OFFSET :
1118 value = fields->f_offset;
1119 break;
1120 case IQ2000_OPERAND_RD :
1121 value = fields->f_rd;
1122 break;
1123 case IQ2000_OPERAND_RD_RS :
1124 value = fields->f_rd_rs;
1125 break;
1126 case IQ2000_OPERAND_RD_RT :
1127 value = fields->f_rd_rt;
1128 break;
1129 case IQ2000_OPERAND_RS :
1130 value = fields->f_rs;
1131 break;
1132 case IQ2000_OPERAND_RT :
1133 value = fields->f_rt;
1134 break;
1135 case IQ2000_OPERAND_RT_RS :
1136 value = fields->f_rt_rs;
1137 break;
1138 case IQ2000_OPERAND_SHAMT :
1139 value = fields->f_shamt;
1140 break;
1141
1142 default :
1143 /* xgettext:c-format */
1144 opcodes_error_handler
1145 (_("internal error: unrecognized field %d while getting vma operand"),
1146 opindex);
1147 abort ();
1148 }
1149
1150 return value;
1151 }
1152
1153 void iq2000_cgen_set_int_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
1154 void iq2000_cgen_set_vma_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
1155
1156 /* Stuffing values in cgen_fields is handled by a collection of functions.
1157 They are distinguished by the type of the VALUE argument they accept.
1158 TODO: floating point, inlining support, remove cases where argument type
1159 not appropriate. */
1160
1161 void
iq2000_cgen_set_int_operand(CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,int opindex,CGEN_FIELDS * fields,int value)1162 iq2000_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1163 int opindex,
1164 CGEN_FIELDS * fields,
1165 int value)
1166 {
1167 switch (opindex)
1168 {
1169 case IQ2000_OPERAND__INDEX :
1170 fields->f_index = value;
1171 break;
1172 case IQ2000_OPERAND_BASE :
1173 fields->f_rs = value;
1174 break;
1175 case IQ2000_OPERAND_BASEOFF :
1176 fields->f_imm = value;
1177 break;
1178 case IQ2000_OPERAND_BITNUM :
1179 fields->f_rt = value;
1180 break;
1181 case IQ2000_OPERAND_BYTECOUNT :
1182 fields->f_bytecount = value;
1183 break;
1184 case IQ2000_OPERAND_CAM_Y :
1185 fields->f_cam_y = value;
1186 break;
1187 case IQ2000_OPERAND_CAM_Z :
1188 fields->f_cam_z = value;
1189 break;
1190 case IQ2000_OPERAND_CM_3FUNC :
1191 fields->f_cm_3func = value;
1192 break;
1193 case IQ2000_OPERAND_CM_3Z :
1194 fields->f_cm_3z = value;
1195 break;
1196 case IQ2000_OPERAND_CM_4FUNC :
1197 fields->f_cm_4func = value;
1198 break;
1199 case IQ2000_OPERAND_CM_4Z :
1200 fields->f_cm_4z = value;
1201 break;
1202 case IQ2000_OPERAND_COUNT :
1203 fields->f_count = value;
1204 break;
1205 case IQ2000_OPERAND_EXECODE :
1206 fields->f_excode = value;
1207 break;
1208 case IQ2000_OPERAND_HI16 :
1209 fields->f_imm = value;
1210 break;
1211 case IQ2000_OPERAND_IMM :
1212 fields->f_imm = value;
1213 break;
1214 case IQ2000_OPERAND_JMPTARG :
1215 fields->f_jtarg = value;
1216 break;
1217 case IQ2000_OPERAND_JMPTARGQ10 :
1218 fields->f_jtargq10 = value;
1219 break;
1220 case IQ2000_OPERAND_LO16 :
1221 fields->f_imm = value;
1222 break;
1223 case IQ2000_OPERAND_MASK :
1224 fields->f_mask = value;
1225 break;
1226 case IQ2000_OPERAND_MASKL :
1227 fields->f_maskl = value;
1228 break;
1229 case IQ2000_OPERAND_MASKQ10 :
1230 fields->f_maskq10 = value;
1231 break;
1232 case IQ2000_OPERAND_MASKR :
1233 fields->f_rs = value;
1234 break;
1235 case IQ2000_OPERAND_MLO16 :
1236 fields->f_imm = value;
1237 break;
1238 case IQ2000_OPERAND_OFFSET :
1239 fields->f_offset = value;
1240 break;
1241 case IQ2000_OPERAND_RD :
1242 fields->f_rd = value;
1243 break;
1244 case IQ2000_OPERAND_RD_RS :
1245 fields->f_rd_rs = value;
1246 break;
1247 case IQ2000_OPERAND_RD_RT :
1248 fields->f_rd_rt = value;
1249 break;
1250 case IQ2000_OPERAND_RS :
1251 fields->f_rs = value;
1252 break;
1253 case IQ2000_OPERAND_RT :
1254 fields->f_rt = value;
1255 break;
1256 case IQ2000_OPERAND_RT_RS :
1257 fields->f_rt_rs = value;
1258 break;
1259 case IQ2000_OPERAND_SHAMT :
1260 fields->f_shamt = value;
1261 break;
1262
1263 default :
1264 /* xgettext:c-format */
1265 opcodes_error_handler
1266 (_("internal error: unrecognized field %d while setting int operand"),
1267 opindex);
1268 abort ();
1269 }
1270 }
1271
1272 void
iq2000_cgen_set_vma_operand(CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,int opindex,CGEN_FIELDS * fields,bfd_vma value)1273 iq2000_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
1274 int opindex,
1275 CGEN_FIELDS * fields,
1276 bfd_vma value)
1277 {
1278 switch (opindex)
1279 {
1280 case IQ2000_OPERAND__INDEX :
1281 fields->f_index = value;
1282 break;
1283 case IQ2000_OPERAND_BASE :
1284 fields->f_rs = value;
1285 break;
1286 case IQ2000_OPERAND_BASEOFF :
1287 fields->f_imm = value;
1288 break;
1289 case IQ2000_OPERAND_BITNUM :
1290 fields->f_rt = value;
1291 break;
1292 case IQ2000_OPERAND_BYTECOUNT :
1293 fields->f_bytecount = value;
1294 break;
1295 case IQ2000_OPERAND_CAM_Y :
1296 fields->f_cam_y = value;
1297 break;
1298 case IQ2000_OPERAND_CAM_Z :
1299 fields->f_cam_z = value;
1300 break;
1301 case IQ2000_OPERAND_CM_3FUNC :
1302 fields->f_cm_3func = value;
1303 break;
1304 case IQ2000_OPERAND_CM_3Z :
1305 fields->f_cm_3z = value;
1306 break;
1307 case IQ2000_OPERAND_CM_4FUNC :
1308 fields->f_cm_4func = value;
1309 break;
1310 case IQ2000_OPERAND_CM_4Z :
1311 fields->f_cm_4z = value;
1312 break;
1313 case IQ2000_OPERAND_COUNT :
1314 fields->f_count = value;
1315 break;
1316 case IQ2000_OPERAND_EXECODE :
1317 fields->f_excode = value;
1318 break;
1319 case IQ2000_OPERAND_HI16 :
1320 fields->f_imm = value;
1321 break;
1322 case IQ2000_OPERAND_IMM :
1323 fields->f_imm = value;
1324 break;
1325 case IQ2000_OPERAND_JMPTARG :
1326 fields->f_jtarg = value;
1327 break;
1328 case IQ2000_OPERAND_JMPTARGQ10 :
1329 fields->f_jtargq10 = value;
1330 break;
1331 case IQ2000_OPERAND_LO16 :
1332 fields->f_imm = value;
1333 break;
1334 case IQ2000_OPERAND_MASK :
1335 fields->f_mask = value;
1336 break;
1337 case IQ2000_OPERAND_MASKL :
1338 fields->f_maskl = value;
1339 break;
1340 case IQ2000_OPERAND_MASKQ10 :
1341 fields->f_maskq10 = value;
1342 break;
1343 case IQ2000_OPERAND_MASKR :
1344 fields->f_rs = value;
1345 break;
1346 case IQ2000_OPERAND_MLO16 :
1347 fields->f_imm = value;
1348 break;
1349 case IQ2000_OPERAND_OFFSET :
1350 fields->f_offset = value;
1351 break;
1352 case IQ2000_OPERAND_RD :
1353 fields->f_rd = value;
1354 break;
1355 case IQ2000_OPERAND_RD_RS :
1356 fields->f_rd_rs = value;
1357 break;
1358 case IQ2000_OPERAND_RD_RT :
1359 fields->f_rd_rt = value;
1360 break;
1361 case IQ2000_OPERAND_RS :
1362 fields->f_rs = value;
1363 break;
1364 case IQ2000_OPERAND_RT :
1365 fields->f_rt = value;
1366 break;
1367 case IQ2000_OPERAND_RT_RS :
1368 fields->f_rt_rs = value;
1369 break;
1370 case IQ2000_OPERAND_SHAMT :
1371 fields->f_shamt = value;
1372 break;
1373
1374 default :
1375 /* xgettext:c-format */
1376 opcodes_error_handler
1377 (_("internal error: unrecognized field %d while setting vma operand"),
1378 opindex);
1379 abort ();
1380 }
1381 }
1382
1383 /* Function to call before using the instruction builder tables. */
1384
1385 void
iq2000_cgen_init_ibld_table(CGEN_CPU_DESC cd)1386 iq2000_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1387 {
1388 cd->insert_handlers = & iq2000_cgen_insert_handlers[0];
1389 cd->extract_handlers = & iq2000_cgen_extract_handlers[0];
1390
1391 cd->insert_operand = iq2000_cgen_insert_operand;
1392 cd->extract_operand = iq2000_cgen_extract_operand;
1393
1394 cd->get_int_operand = iq2000_cgen_get_int_operand;
1395 cd->set_int_operand = iq2000_cgen_set_int_operand;
1396 cd->get_vma_operand = iq2000_cgen_get_vma_operand;
1397 cd->set_vma_operand = iq2000_cgen_set_vma_operand;
1398 }
1399