Commit | Line | Data |
---|---|---|
7b4ae824 | 1 | /* tc-s12z.c -- Assembler code for the Freescale S12Z |
82704155 | 2 | Copyright (C) 2018-2019 Free Software Foundation, Inc. |
7b4ae824 JD |
3 | |
4 | This file is part of GAS, the GNU Assembler. | |
5 | ||
6 | GAS is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GAS is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GAS; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 51 Franklin Street - Fifth Floor, | |
19 | Boston, MA 02110-1301, USA. */ | |
20 | ||
21 | #include "as.h" | |
22 | #include "safe-ctype.h" | |
23 | #include "subsegs.h" | |
24 | #include "dwarf2dbg.h" | |
7ba3ba91 | 25 | #include "opcode/s12z.h" |
7b4ae824 JD |
26 | #include <stdint.h> |
27 | #include <limits.h> | |
28 | #include <stdbool.h> | |
29 | ||
30 | const char comment_chars[] = ";"; | |
31 | ||
32 | const char line_comment_chars[] = "#*"; | |
33 | const char line_separator_chars[] = ""; | |
34 | ||
35 | const char EXP_CHARS[] = "eE"; | |
36 | const char FLT_CHARS[] = "dD"; | |
37 | ||
38 | static char *fail_line_pointer; | |
39 | ||
40 | \f | |
41 | /* Options and initialization. */ | |
42 | ||
43 | const char *md_shortopts = "Sm:"; | |
44 | ||
45 | struct option md_longopts[] = | |
46 | { | |
47 | }; | |
48 | ||
49 | size_t md_longopts_size = sizeof (md_longopts); | |
50 | \f | |
51 | ||
52 | relax_typeS md_relax_table[] = | |
53 | { | |
54 | ||
55 | }; | |
56 | ||
57 | /* This table describes all the machine specific pseudo-ops the assembler | |
58 | has to support. The fields are: | |
59 | pseudo-op name without dot | |
60 | function to call to execute this pseudo-op | |
61 | Integer arg to pass to the function. */ | |
62 | const pseudo_typeS md_pseudo_table[] = | |
63 | { | |
64 | {0, 0, 0} | |
65 | }; | |
66 | \f | |
67 | ||
68 | /* Get the target cpu for the assembler. */ | |
69 | const char * | |
70 | s12z_arch_format (void) | |
71 | { | |
72 | return "elf32-s12z"; | |
73 | } | |
74 | ||
75 | enum bfd_architecture | |
76 | s12z_arch (void) | |
77 | { | |
78 | return bfd_arch_s12z; | |
79 | } | |
80 | ||
81 | int | |
82 | s12z_mach (void) | |
83 | { | |
84 | return 0; | |
85 | } | |
86 | ||
87 | /* Listing header selected according to cpu. */ | |
88 | const char * | |
89 | s12z_listing_header (void) | |
90 | { | |
91 | return "S12Z GAS "; | |
92 | } | |
93 | ||
94 | void | |
95 | md_show_usage (FILE *stream ATTRIBUTE_UNUSED) | |
96 | { | |
97 | } | |
98 | ||
99 | void | |
100 | s12z_print_statistics (FILE *file ATTRIBUTE_UNUSED) | |
101 | { | |
102 | } | |
103 | ||
104 | int | |
105 | md_parse_option (int c ATTRIBUTE_UNUSED, const char *arg ATTRIBUTE_UNUSED) | |
106 | { | |
107 | return 0; | |
108 | } | |
109 | \f | |
110 | symbolS * | |
111 | md_undefined_symbol (char *name ATTRIBUTE_UNUSED) | |
112 | { | |
113 | return 0; | |
114 | } | |
115 | ||
116 | const char * | |
117 | md_atof (int type, char *litP, int *sizeP) | |
118 | { | |
119 | return ieee_md_atof (type, litP, sizeP, TRUE); | |
120 | } | |
121 | ||
122 | valueT | |
123 | md_section_align (asection *seg, valueT addr) | |
124 | { | |
125 | int align = bfd_get_section_alignment (stdoutput, seg); | |
126 | return ((addr + (1 << align) - 1) & -(1 << align)); | |
127 | } | |
128 | ||
129 | void | |
130 | md_begin (void) | |
131 | { | |
132 | } | |
133 | ||
134 | void | |
135 | s12z_init_after_args (void) | |
136 | { | |
137 | } | |
138 | \f | |
139 | /* Builtin help. */ | |
140 | ||
141 | ||
142 | static char * | |
143 | skip_whites (char *p) | |
144 | { | |
145 | while (*p == ' ' || *p == '\t') | |
146 | p++; | |
147 | ||
148 | return p; | |
149 | } | |
150 | ||
151 | ||
152 | ||
153 | /* Start a new insn that contains at least 'size' bytes. Record the | |
154 | line information of that insn in the dwarf2 debug sections. */ | |
155 | static char * | |
156 | s12z_new_insn (int size) | |
157 | { | |
158 | char *f = frag_more (size); | |
159 | ||
160 | dwarf2_emit_insn (size); | |
161 | ||
162 | return f; | |
163 | } | |
164 | ||
165 | \f | |
166 | ||
167 | static int lex_reg_name (uint16_t which, int *reg); | |
168 | ||
169 | static int | |
170 | lex_constant (long *v) | |
171 | { | |
172 | char *end = NULL; | |
173 | char *p = input_line_pointer; | |
174 | ||
175 | /* A constant may not have the same value as a register | |
176 | eg: "d6" */ | |
177 | int dummy; | |
178 | if (lex_reg_name (~0, &dummy)) | |
179 | { | |
180 | input_line_pointer = p; | |
181 | return 0; | |
182 | } | |
183 | ||
184 | errno = 0; | |
185 | *v = strtol (p, &end, 0); | |
186 | if (errno == 0 && end != p) | |
187 | { | |
188 | input_line_pointer = end; | |
189 | return 1; | |
190 | } | |
191 | ||
192 | return 0; | |
193 | } | |
194 | ||
195 | static int | |
196 | lex_match (char x) | |
197 | { | |
198 | char *p = input_line_pointer; | |
199 | if (*p != x) | |
200 | return 0; | |
201 | ||
202 | input_line_pointer++; | |
203 | return 1; | |
204 | } | |
205 | ||
206 | ||
207 | static int | |
208 | lex_expression (expressionS *exp) | |
209 | { | |
210 | char *ilp = input_line_pointer; | |
211 | int dummy; | |
212 | exp->X_op = O_absent; | |
213 | ||
214 | if (lex_match ('#')) | |
215 | goto fail; | |
216 | ||
217 | if (lex_reg_name (~0, &dummy)) | |
218 | goto fail; | |
219 | ||
220 | expression (exp); | |
221 | if (exp->X_op != O_absent) | |
222 | return 1; | |
223 | ||
224 | fail: | |
225 | fail_line_pointer = input_line_pointer; | |
226 | input_line_pointer = ilp; | |
227 | return 0; | |
228 | } | |
229 | ||
230 | /* immediate operand */ | |
231 | static int | |
232 | lex_imm (long *v) | |
233 | { | |
234 | char *ilp = input_line_pointer; | |
235 | ||
236 | if (*input_line_pointer != '#') | |
237 | goto fail; | |
238 | ||
239 | input_line_pointer++; | |
240 | expressionS exp; | |
241 | if (!lex_expression (&exp)) | |
242 | goto fail; | |
243 | ||
244 | if (exp.X_op != O_constant) | |
245 | goto fail; | |
246 | ||
247 | *v = exp.X_add_number; | |
248 | return 1; | |
249 | ||
250 | fail: | |
251 | fail_line_pointer = input_line_pointer; | |
252 | input_line_pointer = ilp; | |
253 | return 0; | |
254 | } | |
255 | ||
256 | /* Short mmediate operand */ | |
257 | static int | |
258 | lex_imm_e4 (long *val) | |
259 | { | |
260 | char *ilp = input_line_pointer; | |
261 | if ((lex_imm (val))) | |
262 | { | |
263 | if ((*val == -1) || (*val > 0 && *val <= 15)) | |
264 | { | |
265 | return 1; | |
266 | } | |
267 | } | |
268 | fail_line_pointer = input_line_pointer; | |
269 | input_line_pointer = ilp; | |
270 | return 0; | |
271 | } | |
272 | ||
273 | static int | |
274 | lex_match_string (const char *s) | |
275 | { | |
276 | char *p = input_line_pointer; | |
277 | while (p != 0 && *p != '\t' && *p != ' ' && *p != '\0') | |
278 | { | |
279 | p++; | |
280 | } | |
281 | ||
282 | size_t len = p - input_line_pointer; | |
283 | if (len != strlen (s)) | |
284 | return 0; | |
285 | ||
286 | if (0 == strncasecmp (s, input_line_pointer, len)) | |
287 | { | |
288 | input_line_pointer = p; | |
289 | return 1; | |
290 | } | |
291 | ||
292 | return 0; | |
293 | } | |
294 | ||
295 | /* Parse a register name. | |
296 | WHICH is a ORwise combination of the registers which are accepted. | |
297 | ~0 accepts all. | |
298 | On success, REG will be filled with the index of the register which | |
299 | was successfully scanned. | |
300 | */ | |
301 | static int | |
302 | lex_reg_name (uint16_t which, int *reg) | |
303 | { | |
304 | char *p = input_line_pointer; | |
305 | while (p != 0 && | |
306 | ((*p >= 'a' && *p <='z') || (*p >= '0' && *p <= '9') || (*p >= 'A' && *p <='Z'))) | |
307 | { | |
308 | p++; | |
309 | } | |
310 | ||
e7b47f2e | 311 | size_t len = p - input_line_pointer; |
7b4ae824 JD |
312 | |
313 | if (len <= 0) | |
314 | return 0; | |
315 | ||
316 | int i; | |
317 | for (i = 0; i < S12Z_N_REGISTERS; ++i) | |
318 | { | |
319 | gas_assert (registers[i].name); | |
320 | ||
e7b47f2e JD |
321 | if (len == strlen (registers[i].name) |
322 | && 0 == strncasecmp (registers[i].name, input_line_pointer, len)) | |
7b4ae824 JD |
323 | { |
324 | if ((0x1U << i) & which) | |
325 | { | |
326 | input_line_pointer = p; | |
327 | *reg = i; | |
328 | return 1; | |
329 | } | |
330 | } | |
331 | } | |
332 | ||
333 | return 0; | |
334 | } | |
335 | ||
336 | static int | |
337 | lex_force_match (char x) | |
338 | { | |
339 | char *p = input_line_pointer; | |
340 | if (*p != x) | |
341 | { | |
342 | as_bad (_("Expecting '%c'"), x); | |
343 | return 0; | |
344 | } | |
345 | ||
346 | input_line_pointer++; | |
347 | return 1; | |
348 | } | |
349 | ||
350 | static int | |
8b3a46f9 JD |
351 | lex_opr (uint8_t *buffer, int *n_bytes, expressionS *exp, |
352 | bool immediate_ok) | |
7b4ae824 JD |
353 | { |
354 | char *ilp = input_line_pointer; | |
355 | uint8_t *xb = buffer; | |
356 | int reg; | |
357 | long imm; | |
358 | exp->X_op = O_absent; | |
359 | *n_bytes = 0; | |
360 | *xb = 0; | |
361 | if (lex_imm_e4 (&imm)) | |
362 | { | |
8b3a46f9 JD |
363 | if (!immediate_ok) |
364 | { | |
365 | as_bad (_("An immediate value in a source operand is inappropriate")); | |
366 | return 0; | |
367 | } | |
7b4ae824 JD |
368 | if (imm > 0) |
369 | *xb = imm; | |
370 | else | |
371 | *xb = 0; | |
372 | *xb |= 0x70; | |
373 | *n_bytes = 1; | |
374 | return 1; | |
375 | } | |
376 | else if (lex_reg_name (REG_BIT_Dn, ®)) | |
377 | { | |
378 | *xb = reg; | |
379 | *xb |= 0xb8; | |
380 | *n_bytes = 1; | |
381 | return 1; | |
382 | } | |
383 | else if (lex_match ('[')) | |
384 | { | |
385 | if (lex_expression (exp)) | |
386 | { | |
387 | long c = exp->X_add_number; | |
388 | if (lex_match (',')) | |
389 | { | |
390 | if (lex_reg_name (REG_BIT_XYSP, ®)) | |
391 | { | |
392 | int i; | |
393 | if (c <= 255 && c >= -256) | |
394 | { | |
395 | *n_bytes = 2; | |
396 | *xb |= 0xc4; | |
397 | } | |
398 | else | |
399 | { | |
400 | *n_bytes = 4; | |
401 | *xb |= 0xc6; | |
402 | } | |
403 | *xb |= (reg - REG_X) << 4; | |
404 | ||
405 | if (c < 0) | |
406 | *xb |= 0x01; | |
407 | for (i = 1; i < *n_bytes ; ++i) | |
408 | { | |
409 | buffer[i] = c >> (8 * (*n_bytes - i - 1)); | |
410 | } | |
411 | } | |
412 | else | |
413 | { | |
414 | as_bad (_("Bad operand for constant offset")); | |
415 | goto fail; | |
416 | } | |
417 | } | |
418 | else | |
419 | { | |
420 | *xb = 0xfe; | |
421 | *n_bytes = 4; | |
422 | buffer[1] = c >> 16; | |
423 | buffer[2] = c >> 8; | |
424 | buffer[3] = c; | |
425 | } | |
426 | } | |
427 | else if (lex_reg_name (REG_BIT_Dn, ®)) | |
428 | { | |
429 | if (!lex_force_match (',')) | |
430 | goto fail; | |
431 | ||
432 | int reg2; | |
433 | if (lex_reg_name (REG_BIT_XY, ®2)) | |
434 | { | |
435 | *n_bytes = 1; | |
436 | *xb = reg; | |
437 | *xb |= (reg2 - REG_X) << 4; | |
438 | *xb |= 0xc8; | |
439 | } | |
440 | else | |
441 | { | |
442 | as_bad (_("Invalid operand for register offset")); | |
443 | goto fail; | |
444 | } | |
445 | } | |
446 | else | |
447 | { | |
448 | goto fail; | |
449 | } | |
450 | if (!lex_force_match (']')) | |
451 | goto fail; | |
452 | return 1; | |
453 | } | |
454 | else if (lex_match ('(')) | |
455 | { | |
456 | long c; | |
457 | if (lex_constant (&c)) | |
458 | { | |
459 | if (!lex_force_match (',')) | |
460 | goto fail; | |
461 | int reg2; | |
462 | if (lex_reg_name (REG_BIT_XYSP, ®2)) | |
463 | { | |
464 | if (reg2 != REG_P && c >= 0 && c <= 15) | |
465 | { | |
466 | *n_bytes = 1; | |
467 | *xb = 0x40; | |
468 | *xb |= (reg2 - REG_X) << 4; | |
469 | *xb |= c; | |
470 | } | |
471 | else if (c >= -256 && c <= 255) | |
472 | { | |
473 | *n_bytes = 2; | |
474 | *xb = 0xc0; | |
475 | *xb |= (reg2 - REG_X) << 4; | |
476 | if (c < 0) | |
477 | *xb |= 0x01; | |
478 | buffer[1] = c; | |
479 | } | |
480 | else | |
481 | { | |
482 | *n_bytes = 4; | |
483 | *xb = 0xc2; | |
484 | *xb |= (reg2 - REG_X) << 4; | |
485 | buffer[1] = c >> 16; | |
486 | buffer[2] = c >> 8; | |
487 | buffer[3] = c; | |
488 | } | |
489 | } | |
490 | else if (lex_reg_name (REG_BIT_Dn, ®2)) | |
491 | { | |
492 | if (c >= -1 * (long) (0x1u << 17) | |
493 | && | |
494 | c < (long) (0x1u << 17) - 1) | |
495 | { | |
496 | *n_bytes = 3; | |
497 | *xb = 0x80; | |
498 | *xb |= reg2; | |
499 | *xb |= ((c >> 16) & 0x03) << 4; | |
500 | buffer[1] = c >> 8; | |
501 | buffer[2] = c; | |
502 | } | |
503 | else | |
504 | { | |
505 | *n_bytes = 4; | |
506 | *xb = 0xe8; | |
507 | *xb |= reg2; | |
508 | buffer[1] = c >> 16; | |
509 | buffer[2] = c >> 8; | |
510 | buffer[3] = c; | |
511 | } | |
512 | } | |
513 | else | |
514 | { | |
515 | as_bad (_("Bad operand for constant offset")); | |
516 | goto fail; | |
517 | } | |
518 | } | |
519 | else if (lex_reg_name (REG_BIT_Dn, ®)) | |
520 | { | |
521 | if (lex_match (',')) | |
522 | { | |
523 | int reg2; | |
524 | if (lex_reg_name (REG_BIT_XYS, ®2)) | |
525 | { | |
526 | *n_bytes = 1; | |
527 | *xb = 0x88; | |
528 | *xb |= (reg2 - REG_X) << 4; | |
529 | *xb |= reg; | |
530 | } | |
531 | else | |
532 | { | |
533 | as_bad (_("Invalid operand for register offset")); | |
534 | goto fail; | |
535 | } | |
536 | } | |
537 | else | |
538 | { | |
539 | goto fail; | |
540 | } | |
541 | } | |
542 | else if (lex_reg_name (REG_BIT_XYS, ®)) | |
543 | { | |
544 | if (lex_match ('-')) | |
545 | { | |
546 | if (reg == REG_S) | |
547 | { | |
548 | as_bad (_("Invalid register for postdecrement operation")); | |
549 | goto fail; | |
550 | } | |
551 | *n_bytes = 1; | |
552 | if (reg == REG_X) | |
553 | *xb = 0xc7; | |
554 | else if (reg == REG_Y) | |
555 | *xb = 0xd7; | |
556 | } | |
557 | else if (lex_match ('+')) | |
558 | { | |
559 | *n_bytes = 1; | |
560 | if (reg == REG_X) | |
561 | *xb = 0xe7; | |
562 | else if (reg == REG_Y) | |
563 | *xb = 0xf7; | |
564 | else if (reg == REG_S) | |
565 | *xb = 0xff; | |
566 | } | |
567 | else | |
568 | { | |
569 | goto fail; | |
570 | } | |
571 | } | |
572 | else if (lex_match ('+')) | |
573 | { | |
574 | if (lex_reg_name (REG_BIT_XY, ®)) | |
575 | { | |
576 | *n_bytes = 1; | |
577 | if (reg == REG_X) | |
578 | *xb = 0xe3; | |
579 | else if (reg == REG_Y) | |
580 | *xb = 0xf3; | |
581 | } | |
582 | else | |
583 | { | |
584 | as_bad (_("Invalid register for preincrement operation")); | |
585 | goto fail; | |
586 | } | |
587 | } | |
588 | else if (lex_match ('-')) | |
589 | { | |
590 | if (lex_reg_name (REG_BIT_XYS, ®)) | |
591 | { | |
592 | *n_bytes = 1; | |
593 | if (reg == REG_X) | |
594 | *xb = 0xc3; | |
595 | else if (reg == REG_Y) | |
596 | *xb = 0xd3; | |
597 | else if (reg == REG_S) | |
598 | *xb = 0xfb; | |
599 | } | |
600 | else | |
601 | { | |
602 | as_bad (_("Invalid register for predecrement operation")); | |
603 | goto fail; | |
604 | } | |
605 | } | |
606 | else | |
607 | { | |
608 | goto fail; | |
609 | } | |
610 | ||
611 | if (! lex_match (')')) | |
612 | goto fail; | |
613 | return 1; | |
614 | } | |
615 | else if (lex_expression (exp)) | |
616 | { | |
617 | *xb = 0xfa; | |
618 | *n_bytes = 4; | |
619 | buffer[1] = 0; | |
620 | buffer[2] = 0; | |
621 | buffer[3] = 0; | |
622 | if (exp->X_op == O_constant) | |
623 | { | |
fa9d2bd6 MR |
624 | valueT value = exp->X_add_number; |
625 | ||
626 | if (value < (0x1U << 14)) | |
7b4ae824 JD |
627 | { |
628 | *xb = 0x00; | |
629 | *n_bytes = 2; | |
fa9d2bd6 MR |
630 | *xb |= value >> 8; |
631 | buffer[1] = value; | |
7b4ae824 | 632 | } |
fa9d2bd6 | 633 | else if (value < (0x1U << 19)) |
7b4ae824 JD |
634 | { |
635 | *xb = 0xf8; | |
fa9d2bd6 | 636 | if (value & (0x1U << 17)) |
7b4ae824 | 637 | *xb |= 0x04; |
fa9d2bd6 | 638 | if (value & (0x1U << 16)) |
7b4ae824 JD |
639 | *xb |= 0x01; |
640 | *n_bytes = 3; | |
fa9d2bd6 MR |
641 | buffer[1] = value >> 8; |
642 | buffer[2] = value; | |
7b4ae824 JD |
643 | } |
644 | else | |
645 | { | |
646 | *xb = 0xfa; | |
647 | *n_bytes = 4; | |
fa9d2bd6 MR |
648 | buffer[1] = value >> 16; |
649 | buffer[2] = value >> 8; | |
650 | buffer[3] = value; | |
7b4ae824 JD |
651 | } |
652 | } | |
653 | return 1; | |
654 | } | |
655 | ||
656 | fail: | |
657 | fail_line_pointer = input_line_pointer; | |
658 | input_line_pointer = ilp; | |
659 | return 0; | |
660 | } | |
661 | ||
662 | static int | |
663 | lex_offset (long *val) | |
664 | { | |
665 | char *end = NULL; | |
666 | char *p = input_line_pointer; | |
667 | ||
668 | if (*p++ != '*') | |
669 | return 0; | |
670 | ||
671 | if (*p != '+' && *p != '-') | |
672 | return 0; | |
673 | ||
674 | bool negative = (*p == '-'); | |
675 | p++; | |
676 | ||
677 | errno = 0; | |
678 | *val = strtol (p, &end, 0); | |
679 | if (errno == 0) | |
680 | { | |
681 | if (negative) | |
682 | *val *= -1; | |
683 | input_line_pointer = end; | |
684 | return 1; | |
685 | } | |
686 | ||
687 | return 0; | |
688 | } | |
689 | ||
690 | \f | |
691 | ||
692 | struct instruction; | |
693 | ||
694 | typedef int (*parse_operand_func) (const struct instruction *); | |
695 | ||
696 | struct instruction | |
697 | { | |
698 | const char *name; | |
699 | ||
700 | /* The "page" to which the instruction belongs. | |
701 | This is also only a hint. Some instructions might have modes in both | |
702 | pages... */ | |
703 | char page; | |
704 | ||
705 | /* This is a hint - and only a hint - about the opcode of the instruction. | |
706 | The parse_operand_func is free to ignore it. | |
707 | */ | |
708 | uint8_t opc; | |
709 | ||
710 | parse_operand_func parse_operands; | |
711 | ||
712 | /* Some instructions can be encoded with a different opcode */ | |
713 | uint8_t alt_opc; | |
714 | }; | |
715 | ||
716 | static int | |
717 | no_operands (const struct instruction *insn) | |
718 | { | |
719 | if (*input_line_pointer != '\0') | |
720 | { | |
721 | as_bad (_("Garbage at end of instruction")); | |
722 | return 0; | |
723 | } | |
724 | ||
725 | char *f = s12z_new_insn (insn->page); | |
726 | if (insn->page == 2) | |
727 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
728 | ||
729 | number_to_chars_bigendian (f++, insn->opc, 1); | |
730 | ||
731 | return 1; | |
732 | } | |
733 | ||
734 | /* Emit the code for an OPR address mode operand */ | |
735 | static char * | |
736 | emit_opr (char *f, const uint8_t *buffer, int n_bytes, expressionS *exp) | |
737 | { | |
738 | int i; | |
739 | number_to_chars_bigendian (f++, buffer[0], 1); | |
740 | if (exp->X_op != O_absent && exp->X_op != O_constant) | |
741 | { | |
d5dcaf1b JD |
742 | fixS *fix = fix_new_exp (frag_now, |
743 | f - frag_now->fr_literal, | |
744 | 3, | |
745 | exp, | |
746 | FALSE, | |
747 | BFD_RELOC_S12Z_OPR); | |
748 | /* Some third party tools seem to use the lower bits | |
749 | of this addend for flags. They don't get added | |
750 | to the final location. The purpose of these flags | |
751 | is not known. We simply set it to zero. */ | |
752 | fix->fx_addnumber = 0x00; | |
7b4ae824 JD |
753 | } |
754 | for (i = 1; i < n_bytes; ++i) | |
755 | number_to_chars_bigendian (f++, buffer[i], 1); | |
756 | ||
757 | return f; | |
758 | } | |
759 | ||
760 | /* Emit the code for a 24 bit direct address operand */ | |
761 | static char * | |
762 | emit_ext24 (char *f, long v) | |
763 | { | |
764 | number_to_chars_bigendian (f, v, 3); | |
765 | ||
766 | return f + 3; | |
767 | } | |
768 | ||
769 | static int | |
770 | opr (const struct instruction *insn) | |
771 | { | |
772 | uint8_t buffer[4]; | |
773 | int n_bytes; | |
774 | expressionS exp; | |
8b3a46f9 | 775 | if (lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
776 | { |
777 | /* Large constant direct values are more efficiently encoded as ext24 mode. | |
778 | Otherwise a decision has to be deferred to a relax. */ | |
779 | if (exp.X_op == O_constant | |
780 | && buffer[0] == 0xFA | |
781 | && insn->alt_opc != 0) | |
782 | { | |
783 | char *f = s12z_new_insn (4); | |
784 | ||
785 | /* I don't think there are any instances of page 2 opcodes in this case */ | |
786 | gas_assert (insn->page == 1); | |
787 | ||
788 | number_to_chars_bigendian (f++, insn->alt_opc, 1); | |
789 | ||
790 | emit_ext24 (f, exp.X_add_number); | |
791 | } | |
792 | else | |
793 | { | |
794 | char *f = s12z_new_insn (n_bytes + 1); | |
795 | number_to_chars_bigendian (f++, insn->opc, 1); | |
796 | ||
797 | emit_opr (f, buffer, n_bytes, &exp); | |
798 | } | |
799 | return 1; | |
800 | } | |
801 | ||
802 | return 0; | |
803 | } | |
804 | ||
805 | /* Parse a 15 bit offset, as an expression. | |
806 | LONG_DISPLACEMENT will be set to true if the offset is wider than 7 bits. | |
807 | */ | |
808 | static int | |
809 | lex_15_bit_offset (bool *long_displacement, expressionS *exp) | |
810 | { | |
811 | char *ilp = input_line_pointer; | |
812 | ||
813 | long val; | |
814 | if (lex_offset (&val)) | |
815 | { | |
816 | exp->X_op = O_absent; | |
817 | exp->X_add_number = val; | |
818 | } | |
819 | else if (lex_expression (exp)) | |
820 | { | |
821 | if (exp->X_op == O_constant) | |
822 | { | |
823 | val = exp->X_add_number; | |
824 | } | |
825 | else | |
826 | { | |
827 | /* If a symbol was parsed we don't know the displacement. | |
828 | We have to assume it is long, and relax it later if possible. */ | |
829 | *long_displacement = true; | |
830 | return 1; | |
831 | } | |
832 | } | |
833 | else | |
834 | { | |
835 | exp->X_op = O_absent; | |
836 | goto fail; | |
837 | } | |
838 | ||
839 | if (val > 0x3FFF || val < -0x4000) | |
840 | { | |
841 | as_fatal (_("Offset is outside of 15 bit range")); | |
842 | return 0; | |
843 | } | |
844 | ||
845 | *long_displacement = (val > 63 || val < -64); | |
846 | ||
847 | return 1; | |
848 | ||
849 | fail: | |
850 | fail_line_pointer = input_line_pointer; | |
851 | input_line_pointer = ilp; | |
852 | return 0; | |
853 | } | |
854 | ||
855 | static void | |
856 | emit_15_bit_offset (char *f, int where, expressionS *exp) | |
857 | { | |
858 | gas_assert (exp); | |
859 | if (exp->X_op != O_absent && exp->X_op != O_constant) | |
860 | { | |
861 | exp->X_add_number += where; | |
862 | fixS *fix = fix_new_exp (frag_now, | |
863 | f - frag_now->fr_literal, | |
864 | 2, | |
865 | exp, | |
866 | TRUE, | |
867 | BFD_RELOC_16_PCREL); | |
868 | fix->fx_addnumber = where - 2; | |
869 | } | |
870 | else | |
871 | { | |
872 | long val = exp->X_add_number; | |
873 | bool long_displacement = (val > 63 || val < -64); | |
874 | if (long_displacement) | |
875 | val |= 0x8000; | |
876 | else | |
877 | val &= 0x7F; | |
878 | ||
879 | number_to_chars_bigendian (f++, val, long_displacement ? 2 : 1); | |
880 | } | |
881 | } | |
882 | ||
883 | static int | |
884 | rel (const struct instruction *insn) | |
885 | { | |
886 | bool long_displacement; | |
887 | ||
888 | expressionS exp; | |
889 | if (! lex_15_bit_offset (&long_displacement, &exp)) | |
890 | return 0; | |
891 | ||
892 | char *f = s12z_new_insn (long_displacement ? 3 : 2); | |
893 | number_to_chars_bigendian (f++, insn->opc, 1); | |
894 | emit_15_bit_offset (f, 3, &exp); | |
895 | return 1; | |
896 | } | |
897 | ||
898 | static int | |
899 | reg_inh (const struct instruction *insn) | |
900 | { | |
901 | int reg; | |
902 | if (lex_reg_name (REG_BIT_Dn, ®)) | |
903 | { | |
904 | char *f = s12z_new_insn (insn->page); | |
905 | if (insn->page == 2) | |
906 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
907 | ||
908 | number_to_chars_bigendian (f++, insn->opc + reg, 1); | |
909 | return 1; | |
910 | } | |
911 | ||
912 | return 0; | |
913 | } | |
914 | ||
915 | ||
916 | /* Special case for CLR X and CLR Y */ | |
917 | static int | |
918 | clr_xy (const struct instruction *insn ATTRIBUTE_UNUSED) | |
919 | { | |
920 | int reg; | |
921 | if (lex_reg_name (REG_BIT_XY, ®)) | |
922 | { | |
923 | char *f = s12z_new_insn (1); | |
924 | number_to_chars_bigendian (f, 0x9a + reg - REG_X, 1); | |
925 | return 1; | |
926 | } | |
927 | ||
928 | return 0; | |
929 | } | |
930 | ||
931 | /* Some instructions have a suffix like ".l", ".b", ".w" etc | |
932 | which indicates the size of the operands. */ | |
933 | static int | |
934 | size_from_suffix (const struct instruction *insn, int idx) | |
935 | { | |
936 | const char *dot = strchr (insn->name, '.'); | |
937 | ||
938 | if (dot == NULL) | |
939 | return -3; | |
940 | ||
941 | int size = -2; | |
942 | switch (dot[1 + idx]) | |
943 | { | |
944 | case 'b': | |
945 | size = 1; | |
946 | break; | |
947 | case 'w': | |
948 | size = 2; | |
949 | break; | |
950 | case 'p': | |
951 | size = 3; | |
952 | break; | |
953 | case 'l': | |
954 | size = 4; | |
955 | break; | |
956 | default: | |
957 | as_fatal (_("Bad size")); | |
958 | }; | |
959 | ||
960 | return size; | |
961 | } | |
962 | ||
963 | static int | |
964 | mul_reg_reg_reg (const struct instruction *insn) | |
965 | { | |
966 | char *ilp = input_line_pointer; | |
967 | ||
968 | int Dd; | |
969 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
970 | goto fail; | |
971 | ||
972 | if (!lex_match (',')) | |
973 | goto fail; | |
974 | ||
975 | int Dj; | |
976 | if (!lex_reg_name (REG_BIT_Dn, &Dj)) | |
977 | goto fail; | |
978 | ||
979 | if (!lex_match (',')) | |
980 | goto fail; | |
981 | ||
982 | int Dk; | |
983 | if (!lex_reg_name (REG_BIT_Dn, &Dk)) | |
984 | goto fail; | |
985 | ||
986 | char *f = s12z_new_insn (insn->page + 1); | |
987 | if (insn->page == 2) | |
988 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
989 | ||
990 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); | |
991 | const char *dot = strchrnul (insn->name, '.'); | |
992 | uint8_t mb ; | |
993 | switch (dot[-1]) | |
994 | { | |
995 | case 's': | |
996 | mb = 0x80; | |
997 | break; | |
998 | case 'u': | |
999 | mb = 0x00; | |
1000 | break; | |
1001 | default: | |
1002 | as_fatal (_("BAD MUL")); | |
1003 | break; | |
1004 | } | |
1005 | ||
1006 | mb |= Dj << 3; | |
1007 | mb |= Dk; | |
1008 | ||
1009 | number_to_chars_bigendian (f++, mb, 1); | |
1010 | ||
1011 | return 1; | |
1012 | ||
1013 | fail: | |
1014 | fail_line_pointer = input_line_pointer; | |
1015 | input_line_pointer = ilp; | |
1016 | return 0; | |
1017 | } | |
1018 | ||
1019 | ||
1020 | static int | |
1021 | mul_reg_reg_imm (const struct instruction *insn) | |
1022 | { | |
1023 | char *ilp = input_line_pointer; | |
1024 | ||
1025 | int Dd; | |
1026 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
1027 | goto fail; | |
1028 | ||
1029 | if (!lex_match (',')) | |
1030 | goto fail; | |
1031 | ||
1032 | int Dj; | |
1033 | if (!lex_reg_name (REG_BIT_Dn, &Dj)) | |
1034 | goto fail; | |
1035 | ||
1036 | if (!lex_match (',')) | |
1037 | goto fail; | |
1038 | ||
1039 | long imm; | |
1040 | if (!lex_imm (&imm)) | |
1041 | goto fail; | |
1042 | ||
1043 | ||
1044 | int size = size_from_suffix (insn, 0); | |
1045 | ||
1046 | char *f = s12z_new_insn (insn->page + 1 + size); | |
1047 | if (insn->page == 2) | |
1048 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1049 | ||
1050 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); | |
1051 | uint8_t mb = 0x44; | |
1052 | const char *dot = strchrnul (insn->name, '.'); | |
1053 | switch (dot[-1]) | |
1054 | { | |
1055 | case 's': | |
1056 | mb |= 0x80; | |
1057 | break; | |
1058 | case 'u': | |
1059 | mb |= 0x00; | |
1060 | break; | |
1061 | default: | |
1062 | as_fatal (_("BAD MUL")); | |
1063 | break; | |
1064 | } | |
1065 | ||
1066 | mb |= Dj << 3; | |
1067 | mb |= size - 1; | |
1068 | ||
1069 | number_to_chars_bigendian (f++, mb, 1); | |
1070 | number_to_chars_bigendian (f++, imm, size); | |
1071 | ||
1072 | return 1; | |
1073 | ||
1074 | fail: | |
1075 | fail_line_pointer = input_line_pointer; | |
1076 | input_line_pointer = ilp; | |
1077 | return 0; | |
1078 | } | |
1079 | ||
1080 | ||
1081 | static int | |
1082 | mul_reg_reg_opr (const struct instruction *insn) | |
1083 | { | |
1084 | char *ilp = input_line_pointer; | |
1085 | ||
1086 | int Dd; | |
1087 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
1088 | goto fail; | |
1089 | ||
1090 | if (!lex_match (',')) | |
1091 | goto fail; | |
1092 | ||
1093 | int Dj; | |
1094 | if (!lex_reg_name (REG_BIT_Dn, &Dj)) | |
1095 | goto fail; | |
1096 | ||
1097 | if (!lex_match (',')) | |
1098 | goto fail; | |
1099 | ||
1100 | uint8_t buffer[4]; | |
1101 | int n_bytes; | |
1102 | expressionS exp; | |
8b3a46f9 | 1103 | if (!lex_opr (buffer, &n_bytes, &exp, true)) |
7b4ae824 JD |
1104 | goto fail; |
1105 | ||
1106 | int size = size_from_suffix (insn, 0); | |
1107 | ||
1108 | char *f = s12z_new_insn (insn->page + 1 + n_bytes); | |
1109 | if (insn->page == 2) | |
1110 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1111 | ||
1112 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); | |
1113 | uint8_t mb = 0x40; | |
1114 | const char *dot = strchrnul (insn->name, '.'); | |
1115 | switch (dot[-1]) | |
1116 | { | |
1117 | case 's': | |
1118 | mb |= 0x80; | |
1119 | break; | |
1120 | case 'u': | |
1121 | mb |= 0x00; | |
1122 | break; | |
1123 | default: | |
1124 | as_fatal (_("BAD MUL")); | |
1125 | break; | |
1126 | } | |
1127 | ||
1128 | mb |= Dj << 3; | |
1129 | mb |= size - 1; | |
1130 | ||
1131 | number_to_chars_bigendian (f++, mb, 1); | |
1132 | ||
1133 | emit_opr (f, buffer, n_bytes, &exp); | |
1134 | ||
1135 | return 1; | |
1136 | ||
1137 | fail: | |
1138 | fail_line_pointer = input_line_pointer; | |
1139 | input_line_pointer = ilp; | |
1140 | return 0; | |
1141 | } | |
1142 | ||
1143 | static int | |
1144 | mul_reg_opr_opr (const struct instruction *insn) | |
1145 | { | |
1146 | char *ilp = input_line_pointer; | |
1147 | ||
1148 | int Dd; | |
1149 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
1150 | goto fail; | |
1151 | ||
1152 | if (!lex_match (',')) | |
1153 | goto fail; | |
1154 | ||
1155 | uint8_t buffer1[4]; | |
1156 | int n_bytes1; | |
1157 | expressionS exp1; | |
8b3a46f9 | 1158 | if (!lex_opr (buffer1, &n_bytes1, &exp1, false)) |
7b4ae824 JD |
1159 | goto fail; |
1160 | ||
1161 | if (!lex_match (',')) | |
1162 | goto fail; | |
1163 | ||
1164 | uint8_t buffer2[4]; | |
1165 | int n_bytes2; | |
1166 | expressionS exp2; | |
8b3a46f9 | 1167 | if (!lex_opr (buffer2, &n_bytes2, &exp2, false)) |
7b4ae824 JD |
1168 | goto fail; |
1169 | ||
1170 | int size1 = size_from_suffix (insn, 0); | |
1171 | int size2 = size_from_suffix (insn, 1); | |
1172 | ||
1173 | char *f = s12z_new_insn (insn->page + 1 + n_bytes1 + n_bytes2); | |
1174 | if (insn->page == 2) | |
1175 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1176 | ||
1177 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); | |
1178 | uint8_t mb = 0x42; | |
1179 | const char *dot = strchrnul (insn->name, '.'); | |
1180 | switch (dot[-1]) | |
1181 | { | |
1182 | case 's': | |
1183 | mb |= 0x80; | |
1184 | break; | |
1185 | case 'u': | |
1186 | mb |= 0x00; | |
1187 | break; | |
1188 | default: | |
1189 | as_fatal (_("BAD MUL")); | |
1190 | break; | |
1191 | } | |
1192 | ||
1193 | mb |= (size1 - 1) << 4; | |
1194 | mb |= (size2 - 1) << 2; | |
1195 | number_to_chars_bigendian (f++, mb, 1); | |
1196 | ||
1197 | f = emit_opr (f, buffer1, n_bytes1, &exp1); | |
1198 | f = emit_opr (f, buffer2, n_bytes2, &exp2); | |
1199 | ||
1200 | return 1; | |
1201 | ||
1202 | fail: | |
1203 | fail_line_pointer = input_line_pointer; | |
1204 | input_line_pointer = ilp; | |
1205 | return 0; | |
1206 | } | |
1207 | ||
1208 | ||
1209 | #define REG_BIT_GRP0 \ | |
1210 | ((0x1U << REG_D2) | \ | |
1211 | (0x1U << REG_D3) | \ | |
1212 | (0x1U << REG_CCH) | \ | |
1213 | (0x1U << REG_CCL) | \ | |
1214 | (0x1U << REG_D0) | \ | |
1215 | (0x1U << REG_D1)) | |
1216 | ||
1217 | #define REG_BIT_GRP1 \ | |
1218 | ((0x1U << REG_D4) | \ | |
1219 | (0x1U << REG_D5) | \ | |
1220 | (0x1U << REG_D6) | \ | |
1221 | (0x1U << REG_D7) | \ | |
1222 | (0x1U << REG_X) | \ | |
1223 | (0x1U << REG_Y)) | |
1224 | ||
1225 | static const uint8_t reg_map [] = | |
1226 | { | |
1227 | 0x02, // D2 | |
1228 | 0x01, // D3 | |
1229 | 0x20, | |
1230 | 0x10, // D5 | |
1231 | 0x08, // D0 | |
1232 | 0x04, // D1 | |
1233 | 0x08, // D6 | |
1234 | 0x04, // D7 | |
1235 | 0x02, | |
1236 | 0x01, // Y | |
1237 | 0x00, | |
1238 | 0x00, | |
1239 | 0x20, // CCH | |
1240 | 0x10, // CCL | |
1241 | 0x00 | |
1242 | }; | |
1243 | ||
1244 | static int | |
1245 | lex_reg_list (uint16_t grp, uint16_t *reg_bits) | |
1246 | { | |
1247 | if (lex_match (',')) | |
1248 | { | |
1249 | int reg; | |
1250 | if (!lex_reg_name (grp, ®)) | |
1251 | return 0; | |
1252 | *reg_bits |= 0x1u << reg; | |
1253 | lex_reg_list (grp, reg_bits); | |
1254 | } | |
1255 | ||
1256 | /* Empty list */ | |
1257 | return 1; | |
1258 | } | |
1259 | ||
1260 | static int | |
1261 | psh_pull (const struct instruction *insn) | |
1262 | { | |
1263 | uint8_t pb = | |
1264 | (0 == strcmp ("pul", insn->name)) ? 0x80: 0x00; | |
1265 | ||
1266 | if (lex_match_string ("all16b")) | |
1267 | { | |
1268 | pb |= 0x40; | |
1269 | } | |
1270 | else if (lex_match_string ("all")) | |
1271 | { | |
1272 | /* Nothing to do */ | |
1273 | } | |
1274 | else | |
1275 | { | |
1276 | int reg1; | |
1277 | if (!lex_reg_name (REG_BIT_GRP1 | REG_BIT_GRP0, ®1)) | |
1278 | goto fail; | |
1279 | uint16_t admitted_group = 0; | |
1280 | ||
1281 | if ((0x1U << reg1) & REG_BIT_GRP1) | |
1282 | admitted_group = REG_BIT_GRP1; | |
1283 | else if ((0x1U << reg1) & REG_BIT_GRP0) | |
1284 | admitted_group = REG_BIT_GRP0; | |
1285 | ||
1286 | uint16_t reg_bits = 0x1 << reg1; | |
1287 | if (!lex_reg_list (admitted_group, ®_bits)) | |
1288 | goto fail; | |
1289 | ||
1290 | if (reg_bits & REG_BIT_GRP1) | |
1291 | pb |= 0x40; | |
1292 | ||
1293 | int i; | |
1294 | for (i = 0; i < 16; ++i) | |
1295 | { | |
1296 | if (reg_bits & (0x1u << i)) | |
1297 | pb |= reg_map[i]; | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | char *f = s12z_new_insn (2); | |
1302 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1303 | number_to_chars_bigendian (f++, pb, 1); | |
1304 | return 1; | |
1305 | ||
1306 | fail: | |
1307 | fail_line_pointer = input_line_pointer; | |
1308 | return 0; | |
1309 | } | |
1310 | ||
1311 | ||
1312 | static int | |
1313 | tfr (const struct instruction *insn) | |
1314 | { | |
1315 | int reg1; | |
1316 | if (!lex_reg_name (~0, ®1)) | |
1317 | goto fail; | |
1318 | ||
1319 | if (!lex_match (',')) | |
1320 | goto fail; | |
1321 | ||
1322 | int reg2; | |
1323 | if (!lex_reg_name (~0, ®2)) | |
1324 | goto fail; | |
1325 | ||
77fdb0e0 JD |
1326 | if ( ((0 == strcasecmp ("sex", insn->name)) |
1327 | || (0 == strcasecmp ("zex", insn->name))) | |
1328 | && (registers[reg2].bytes <= registers[reg1].bytes)) | |
1329 | as_warn (_("Source register for %s is no larger than the destination register"), | |
1330 | insn->name); | |
1d4d8669 JD |
1331 | else if (reg1 == reg2) |
1332 | as_warn (_("The destination and source registers are identical")); | |
7b4ae824 JD |
1333 | |
1334 | char *f = s12z_new_insn (1 + insn->page); | |
1335 | if (insn->page == 2) | |
1336 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1337 | ||
1338 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1339 | number_to_chars_bigendian (f++, reg1 << 4 | reg2, 1); | |
1340 | ||
1341 | return 1; | |
1342 | ||
1343 | fail: | |
1344 | fail_line_pointer = input_line_pointer; | |
1345 | return 0; | |
1346 | } | |
1347 | ||
1348 | static int | |
1349 | imm8 (const struct instruction *insn) | |
1350 | { | |
1351 | long imm; | |
1352 | if (! lex_imm (&imm)) | |
1353 | return 0; | |
1354 | if (imm > 127 || imm < -128) | |
1355 | { | |
1356 | as_bad (_("Immediate value %ld is out of range for instruction %s"), | |
1357 | imm, insn->name); | |
1358 | } | |
1359 | ||
1360 | char *f = s12z_new_insn (2); | |
1361 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1362 | number_to_chars_bigendian (f++, imm, 1); | |
1363 | ||
1364 | return 1; | |
1365 | } | |
1366 | ||
1367 | static int | |
1368 | reg_imm (const struct instruction *insn, int allowed_reg) | |
1369 | { | |
1370 | char *ilp = input_line_pointer; | |
1371 | int reg; | |
1372 | if (lex_reg_name (allowed_reg, ®)) | |
1373 | { | |
1374 | if (!lex_force_match (',')) | |
1375 | goto fail; | |
1376 | long imm; | |
1377 | if (! lex_imm (&imm)) | |
1378 | goto fail; | |
1379 | ||
1380 | short size = registers[reg].bytes; | |
1381 | char *f = s12z_new_insn (insn->page + size); | |
1382 | if (insn->page == 2) | |
1383 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1384 | ||
1385 | number_to_chars_bigendian (f++, insn->opc + reg, 1); | |
1386 | number_to_chars_bigendian (f++, imm, size); | |
1387 | return 1; | |
1388 | } | |
1389 | ||
1390 | fail: | |
1391 | fail_line_pointer = input_line_pointer; | |
1392 | input_line_pointer = ilp; | |
1393 | return 0; | |
1394 | } | |
1395 | ||
1396 | ||
1397 | static int | |
1398 | regd_imm (const struct instruction *insn) | |
1399 | { | |
1400 | return reg_imm (insn, REG_BIT_Dn); | |
1401 | } | |
1402 | ||
1403 | static int | |
1404 | regdxy_imm (const struct instruction *insn) | |
1405 | { | |
1406 | return reg_imm (insn, REG_BIT_Dn | REG_BIT_XY); | |
1407 | } | |
1408 | ||
1409 | ||
1410 | static int | |
1411 | regs_imm (const struct instruction *insn) | |
1412 | { | |
1413 | return reg_imm (insn, 0x1U << REG_S); | |
1414 | } | |
1415 | ||
1416 | static int | |
1417 | trap_imm (const struct instruction *insn ATTRIBUTE_UNUSED) | |
1418 | { | |
1419 | long imm = -1; | |
1420 | if (! lex_imm (&imm)) | |
1421 | goto fail; | |
1422 | ||
1423 | if (imm < 0x92 || imm > 0xFF || | |
1424 | (imm >= 0xA0 && imm <= 0xA7) || | |
1425 | (imm >= 0xB0 && imm <= 0xB7)) | |
1426 | { | |
1427 | as_bad (_("trap value %ld is not valid"), imm); | |
1428 | return 0; | |
1429 | } | |
1430 | else | |
1431 | { | |
1432 | char *f = s12z_new_insn (2); | |
1433 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1434 | number_to_chars_bigendian (f++, imm & 0xFF, 1); | |
1435 | return 1; | |
1436 | } | |
1437 | ||
1438 | return 1; | |
1439 | ||
1440 | fail: | |
1441 | fail_line_pointer = input_line_pointer; | |
1442 | return 0; | |
1443 | } | |
1444 | ||
1445 | ||
1446 | ||
1447 | /* Special one byte instruction CMP X, Y */ | |
1448 | static int | |
1449 | regx_regy (const struct instruction *insn) | |
1450 | { | |
1451 | int reg; | |
1452 | if (lex_reg_name (0x1U << REG_X, ®)) | |
1453 | { | |
1454 | if (lex_force_match (',')) | |
1455 | { | |
1456 | if (lex_reg_name (0x1U << REG_Y, ®)) | |
1457 | { | |
1458 | char *f = s12z_new_insn (1); | |
1459 | number_to_chars_bigendian (f, insn->opc, 1); | |
1460 | return 1; | |
1461 | } | |
1462 | } | |
1463 | } | |
1464 | return 0; | |
1465 | } | |
1466 | ||
1467 | /* Special one byte instruction SUB D6, X, Y */ | |
1468 | static int | |
1469 | regd6_regx_regy (const struct instruction *insn) | |
1470 | { | |
1471 | char *ilp = input_line_pointer; | |
1472 | int reg; | |
1473 | if (!lex_reg_name (0x1U << REG_D6, ®)) | |
1474 | goto fail; | |
1475 | ||
1476 | if (!lex_match (',')) | |
1477 | goto fail; | |
1478 | ||
1479 | if (!lex_reg_name (0x1U << REG_X, ®)) | |
1480 | goto fail; | |
1481 | ||
1482 | if (!lex_match (',')) | |
1483 | goto fail; | |
1484 | ||
1485 | if (!lex_reg_name (0x1U << REG_Y, ®)) | |
1486 | goto fail; | |
1487 | ||
1488 | char *f = s12z_new_insn (1); | |
1489 | number_to_chars_bigendian (f, insn->opc, 1); | |
1490 | return 1; | |
1491 | ||
1492 | fail: | |
1493 | fail_line_pointer = input_line_pointer; | |
1494 | input_line_pointer = ilp; | |
1495 | return 0; | |
1496 | } | |
1497 | ||
1498 | /* Special one byte instruction SUB D6, Y, X */ | |
1499 | static int | |
1500 | regd6_regy_regx (const struct instruction *insn) | |
1501 | { | |
1502 | char *ilp = input_line_pointer; | |
1503 | int reg; | |
1504 | if (!lex_reg_name (0x1U << REG_D6, ®)) | |
1505 | goto fail; | |
1506 | ||
1507 | if (!lex_match (',')) | |
1508 | goto fail; | |
1509 | ||
1510 | if (!lex_reg_name (0x1U << REG_Y, ®)) | |
1511 | goto fail; | |
1512 | ||
1513 | if (!lex_match (',')) | |
1514 | goto fail; | |
1515 | ||
1516 | if (!lex_reg_name (0x1U << REG_X, ®)) | |
1517 | goto fail; | |
1518 | ||
1519 | char *f = s12z_new_insn (1); | |
1520 | number_to_chars_bigendian (f, insn->opc, 1); | |
1521 | return 1; | |
1522 | ||
1523 | fail: | |
1524 | fail_line_pointer = input_line_pointer; | |
1525 | input_line_pointer = ilp; | |
1526 | return 0; | |
1527 | } | |
1528 | ||
1529 | static int | |
8b3a46f9 JD |
1530 | reg_opr (const struct instruction *insn, int allowed_regs, |
1531 | bool immediate_ok) | |
7b4ae824 JD |
1532 | { |
1533 | char *ilp = input_line_pointer; | |
1534 | int reg; | |
1535 | if (lex_reg_name (allowed_regs, ®)) | |
1536 | { | |
1537 | if (!lex_force_match (',')) | |
1538 | goto fail; | |
1539 | ||
1540 | uint8_t buffer[4]; | |
1541 | int n_bytes; | |
1542 | expressionS exp; | |
8b3a46f9 | 1543 | if (lex_opr (buffer, &n_bytes, &exp, immediate_ok)) |
7b4ae824 JD |
1544 | { |
1545 | /* Large constant direct values are more efficiently encoded as ext24 mode. | |
1546 | Otherwise a decision has to be deferred to a relax. */ | |
1547 | if (exp.X_op == O_constant | |
1548 | && buffer[0] == 0xFA | |
1549 | && insn->alt_opc != 0) | |
1550 | { | |
1551 | char *f = s12z_new_insn (4); | |
1552 | ||
1553 | /* I don't think there are any instances of page 2 opcodes in this case */ | |
1554 | gas_assert (insn->page == 1); | |
1555 | ||
1556 | number_to_chars_bigendian (f++, insn->alt_opc + reg, 1); | |
1557 | ||
1558 | emit_ext24 (f, exp.X_add_number); | |
1559 | } | |
1560 | else | |
1561 | { | |
1562 | char *f = s12z_new_insn (n_bytes + insn->page); | |
1563 | ||
1564 | if (insn->page == 2) | |
1565 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1566 | ||
1567 | number_to_chars_bigendian (f++, insn->opc + reg, 1); | |
1568 | ||
1569 | emit_opr (f, buffer, n_bytes, &exp); | |
1570 | } | |
1571 | ||
1572 | return 1; | |
1573 | } | |
1574 | } | |
1575 | ||
1576 | fail: | |
1577 | fail_line_pointer = input_line_pointer; | |
1578 | input_line_pointer = ilp; | |
1579 | return 0; | |
1580 | } | |
1581 | ||
1582 | ||
1583 | static int | |
8b3a46f9 | 1584 | regdxy_opr_dest (const struct instruction *insn) |
7b4ae824 | 1585 | { |
8b3a46f9 | 1586 | return reg_opr (insn, REG_BIT_Dn | REG_BIT_XY, false); |
7b4ae824 JD |
1587 | } |
1588 | ||
8b3a46f9 JD |
1589 | static int |
1590 | regdxy_opr_src (const struct instruction *insn) | |
1591 | { | |
1592 | return reg_opr (insn, REG_BIT_Dn | REG_BIT_XY, true); | |
1593 | } | |
1594 | ||
1595 | ||
7b4ae824 JD |
1596 | static int |
1597 | regd_opr (const struct instruction *insn) | |
1598 | { | |
8b3a46f9 | 1599 | return reg_opr (insn, REG_BIT_Dn, true); |
7b4ae824 JD |
1600 | } |
1601 | ||
1602 | ||
8b3a46f9 JD |
1603 | /* OP0: S; OP1: destination OPR */ |
1604 | static int | |
1605 | regs_opr_dest (const struct instruction *insn) | |
1606 | { | |
1607 | return reg_opr (insn, 0x1U << REG_S, false); | |
1608 | } | |
1609 | ||
1610 | /* OP0: S; OP1: source OPR */ | |
7b4ae824 | 1611 | static int |
8b3a46f9 | 1612 | regs_opr_src (const struct instruction *insn) |
7b4ae824 | 1613 | { |
8b3a46f9 | 1614 | return reg_opr (insn, 0x1U << REG_S, true); |
7b4ae824 JD |
1615 | } |
1616 | ||
1617 | static int | |
1618 | imm_opr (const struct instruction *insn) | |
1619 | { | |
1620 | char *ilp = input_line_pointer; | |
1621 | long imm; | |
1622 | if (!lex_imm (&imm)) | |
1623 | goto fail; | |
1624 | ||
1625 | if (!lex_match (',')) | |
1626 | goto fail; | |
1627 | ||
1628 | uint8_t buffer[4]; | |
1629 | int n_bytes; | |
1630 | expressionS exp; | |
8b3a46f9 | 1631 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
1632 | goto fail; |
1633 | ||
1634 | int size = size_from_suffix (insn, 0); | |
1635 | char *f = s12z_new_insn (1 + n_bytes + size); | |
1636 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1637 | ||
1638 | int i; | |
1639 | for (i = 0; i < size; ++i) | |
1640 | number_to_chars_bigendian (f++, imm >> (CHAR_BIT * (size - i - 1)), 1); | |
1641 | ||
1642 | emit_opr (f, buffer, n_bytes, &exp); | |
1643 | ||
1644 | return 1; | |
1645 | ||
1646 | fail: | |
1647 | fail_line_pointer = input_line_pointer; | |
1648 | input_line_pointer = ilp; | |
1649 | return 0; | |
1650 | } | |
1651 | ||
1652 | static int | |
1653 | opr_opr (const struct instruction *insn) | |
1654 | { | |
1655 | char *ilp = input_line_pointer; | |
1656 | ||
1657 | uint8_t buffer1[4]; | |
1658 | int n_bytes1; | |
1659 | expressionS exp1; | |
8b3a46f9 | 1660 | if (!lex_opr (buffer1, &n_bytes1, &exp1, false)) |
7b4ae824 JD |
1661 | goto fail; |
1662 | ||
1663 | ||
1664 | if (!lex_match (',')) | |
1665 | goto fail; | |
1666 | ||
1667 | uint8_t buffer2[4]; | |
1668 | int n_bytes2; | |
1669 | expressionS exp2; | |
8b3a46f9 | 1670 | if (!lex_opr (buffer2, &n_bytes2, &exp2, false)) |
7b4ae824 JD |
1671 | goto fail; |
1672 | ||
1673 | char *f = s12z_new_insn (1 + n_bytes1 + n_bytes2); | |
1674 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1675 | ||
1676 | f = emit_opr (f, buffer1, n_bytes1, &exp1); | |
1677 | f = emit_opr (f, buffer2, n_bytes2, &exp2); | |
1678 | ||
1679 | return 1; | |
1680 | ||
1681 | fail: | |
1682 | fail_line_pointer = input_line_pointer; | |
1683 | input_line_pointer = ilp; | |
1684 | return 0; | |
1685 | } | |
1686 | ||
1687 | static int | |
1688 | reg67sxy_opr (const struct instruction *insn) | |
1689 | { | |
1690 | int reg; | |
1691 | if (!lex_reg_name (REG_BIT_XYS | (0x1U << REG_D6) | (0x1U << REG_D7), ®)) | |
1692 | return 0; | |
1693 | ||
1694 | if (!lex_match (',')) | |
1695 | return 0; | |
1696 | ||
1697 | uint8_t buffer[4]; | |
1698 | int n_bytes; | |
1699 | expressionS exp; | |
8b3a46f9 | 1700 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
1701 | return 0; |
1702 | ||
1703 | char *f = s12z_new_insn (1 + n_bytes); | |
1704 | number_to_chars_bigendian (f++, insn->opc + reg - REG_D6, 1); | |
1705 | emit_opr (f, buffer, n_bytes, &exp); | |
1706 | ||
1707 | return 1; | |
1708 | } | |
1709 | ||
1710 | static int | |
1711 | rotate (const struct instruction *insn, short dir) | |
1712 | { | |
1713 | uint8_t buffer[4]; | |
1714 | int n_bytes; | |
1715 | expressionS exp; | |
8b3a46f9 | 1716 | if (lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
1717 | { |
1718 | char *f = s12z_new_insn (n_bytes + 2); | |
1719 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1720 | int size = size_from_suffix (insn, 0); | |
1721 | if (size < 0) | |
1722 | size = 1; | |
1723 | uint8_t sb = 0x24; | |
1724 | sb |= size - 1; | |
1725 | if (dir) | |
1726 | sb |= 0x40; | |
1727 | number_to_chars_bigendian (f++, sb, 1); | |
1728 | emit_opr (f, buffer, n_bytes, &exp); | |
1729 | ||
1730 | return 1; | |
1731 | } | |
1732 | ||
1733 | return 0; | |
1734 | } | |
1735 | ||
1736 | static int | |
1737 | rol (const struct instruction *insn) | |
1738 | { | |
1739 | return rotate (insn, 1); | |
1740 | } | |
1741 | ||
1742 | static int | |
1743 | ror (const struct instruction *insn) | |
1744 | { | |
1745 | return rotate (insn, 0); | |
1746 | } | |
1747 | ||
1748 | ||
1749 | /* Shift instruction with a register operand and an immediate #1 or #2 | |
1750 | left = 1; right = 0; | |
1751 | logical = 0; arithmetic = 1; | |
1752 | */ | |
1753 | static int | |
1754 | lex_shift_reg_imm1 (const struct instruction *insn, short type, short dir) | |
1755 | { | |
1756 | /* | |
1757 | This function is highly unusual and a bit wierd! | |
1758 | It first matches the input against a register {d0, d1, ... d7} followed by an immediate | |
1759 | {#1, #2}. | |
1760 | Then, it rewinds the input and parses it again as a OPR. | |
1761 | */ | |
1762 | char *ilp = input_line_pointer; | |
1763 | ||
1764 | int Dd; | |
1765 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
1766 | { | |
1767 | goto fail; | |
1768 | } | |
1769 | ||
1770 | if (!lex_match (',')) | |
1771 | goto fail; | |
1772 | ||
1773 | long imm = -1; | |
1774 | if (!lex_imm (&imm)) | |
1775 | goto fail; | |
1776 | ||
1777 | if (imm != 1 && imm != 2) | |
1778 | goto fail; | |
1779 | input_line_pointer = ilp; | |
1780 | ||
1781 | /* Now parse the first operand again */ | |
1782 | ||
1783 | uint8_t buffer[4]; | |
1784 | int n_bytes; | |
1785 | ||
1786 | expressionS exp; | |
8b3a46f9 | 1787 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
1788 | goto fail; |
1789 | ||
1790 | gas_assert (n_bytes == 1); | |
1791 | ||
1792 | uint8_t sb = 0x34; | |
1793 | sb |= dir << 6; | |
1794 | sb |= type << 7; | |
1795 | if (imm == 2) | |
1796 | sb |= 0x08; | |
1797 | ||
1798 | char *f = s12z_new_insn (3); | |
1799 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1800 | number_to_chars_bigendian (f++, sb, 1); | |
1801 | emit_opr (f, buffer, n_bytes, &exp); | |
1802 | ||
1803 | return 1; | |
1804 | ||
1805 | fail: | |
1806 | fail_line_pointer = input_line_pointer; | |
1807 | input_line_pointer = ilp; | |
1808 | return 0; | |
1809 | } | |
1810 | ||
1811 | /* Shift instruction with a register operand. | |
1812 | left = 1; right = 0; | |
1813 | logical = 0; arithmetic = 1; */ | |
1814 | static int | |
1815 | lex_shift_reg (const struct instruction *insn, short type, short dir) | |
1816 | { | |
1817 | int Dd, Ds, Dn; | |
1818 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
1819 | { | |
1820 | goto fail; | |
1821 | } | |
1822 | ||
1823 | if (!lex_match (',')) | |
1824 | goto fail; | |
1825 | ||
1826 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) | |
1827 | { | |
1828 | goto fail; | |
1829 | } | |
1830 | ||
1831 | if (!lex_match (',')) | |
1832 | goto fail; | |
1833 | ||
1834 | uint8_t sb = 0x10; | |
1835 | sb |= Ds; | |
1836 | sb |= dir << 6; | |
1837 | sb |= type << 7; | |
1838 | long imm; | |
1839 | if (lex_reg_name (REG_BIT_Dn, &Dn)) | |
1840 | { | |
1841 | char *f = s12z_new_insn (3); | |
1842 | number_to_chars_bigendian (f++, insn->opc | Dd, 1); | |
1843 | number_to_chars_bigendian (f++, sb, 1); | |
1844 | uint8_t xb = 0xb8; | |
1845 | xb |= Dn; | |
1846 | number_to_chars_bigendian (f++, xb, 1); | |
1847 | ||
1848 | return 1; | |
1849 | } | |
1850 | else if (lex_imm (&imm)) | |
1851 | { | |
1852 | if (imm < 0 || imm > 31) | |
1853 | { | |
1854 | as_bad (_("Shift value should be in the range [0,31]")); | |
1855 | goto fail; | |
1856 | } | |
1857 | ||
1858 | int n_bytes = 3; | |
1859 | if (imm == 1 || imm == 2) | |
1860 | { | |
1861 | n_bytes = 2; | |
1862 | sb &= ~0x10; | |
1863 | } | |
1864 | else | |
1865 | { | |
1866 | sb |= (imm & 0x01) << 3; | |
1867 | } | |
1868 | ||
1869 | char *f = s12z_new_insn (n_bytes); | |
1870 | number_to_chars_bigendian (f++, insn->opc | Dd, 1); | |
1871 | number_to_chars_bigendian (f++, sb, 1); | |
1872 | if (n_bytes > 2) | |
1873 | { | |
1874 | uint8_t xb = 0x70; | |
1875 | xb |= imm >> 1; | |
1876 | number_to_chars_bigendian (f++, xb, 1); | |
1877 | } | |
1878 | ||
1879 | return 1; | |
1880 | } | |
1881 | ||
1882 | fail: | |
1883 | fail_line_pointer = input_line_pointer; | |
1884 | return 0; | |
1885 | } | |
1886 | ||
1887 | static void | |
1888 | impute_shift_dir_and_type (const struct instruction *insn, short *type, short *dir) | |
1889 | { | |
1890 | *dir = -1; | |
1891 | *type = -1; | |
1892 | switch (insn->name[0]) | |
1893 | { | |
1894 | case 'l': | |
1895 | *type = 0; | |
1896 | break; | |
1897 | case 'a': | |
1898 | *type = 1; | |
1899 | break; | |
1900 | default: | |
1901 | as_fatal (_("Bad shift mode")); | |
1902 | break; | |
1903 | } | |
1904 | ||
1905 | switch (insn->name[2]) | |
1906 | { | |
1907 | case 'l': | |
1908 | *dir = 1; | |
1909 | break; | |
1910 | case 'r': | |
1911 | *dir = 0; | |
1912 | break; | |
1913 | default: | |
1914 | as_fatal (_("Bad shift *direction")); | |
1915 | break; | |
1916 | } | |
1917 | } | |
1918 | ||
1919 | /* Shift instruction with a OPR operand */ | |
1920 | static int | |
1921 | shift_two_operand (const struct instruction *insn) | |
1922 | { | |
1923 | uint8_t sb = 0x34; | |
1924 | char *ilp = input_line_pointer; | |
1925 | ||
1926 | short dir = -1; | |
1927 | short type = -1; | |
1928 | impute_shift_dir_and_type (insn, &type, &dir); | |
1929 | sb |= dir << 6; | |
1930 | sb |= type << 7; | |
1931 | ||
1932 | int size = size_from_suffix (insn, 0); | |
1933 | sb |= size - 1; | |
1934 | ||
1935 | uint8_t buffer[4]; | |
1936 | int n_opr_bytes; | |
1937 | expressionS exp; | |
8b3a46f9 | 1938 | if (!lex_opr (buffer, &n_opr_bytes, &exp, false)) |
7b4ae824 JD |
1939 | goto fail; |
1940 | ||
1941 | if (!lex_match (',')) | |
1942 | goto fail; | |
1943 | ||
1944 | long imm = -1; | |
1945 | if (!lex_imm (&imm)) | |
1946 | goto fail; | |
1947 | ||
1948 | if (imm != 1 && imm != 2) | |
1949 | goto fail; | |
1950 | ||
1951 | if (imm == 2) | |
1952 | sb |= 0x08; | |
1953 | ||
1954 | char *f = s12z_new_insn (2 + n_opr_bytes); | |
1955 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1956 | number_to_chars_bigendian (f++, sb, 1); | |
1957 | emit_opr (f, buffer, n_opr_bytes, &exp); | |
1958 | ||
1959 | return 1; | |
1960 | ||
1961 | fail: | |
1962 | fail_line_pointer = input_line_pointer; | |
1963 | input_line_pointer = ilp; | |
1964 | return 0; | |
1965 | } | |
1966 | ||
1967 | /* Shift instruction with a OPR operand */ | |
1968 | static int | |
1969 | shift_opr_imm (const struct instruction *insn) | |
1970 | { | |
1971 | char *ilp = input_line_pointer; | |
1972 | ||
1973 | short dir = -1; | |
1974 | short type = -1; | |
1975 | impute_shift_dir_and_type (insn, &type, &dir); | |
1976 | ||
1977 | int Dd = 0; | |
1978 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
1979 | goto fail; | |
1980 | ||
1981 | if (!lex_match (',')) | |
1982 | goto fail; | |
1983 | ||
1984 | int n_bytes = 2; | |
1985 | ||
1986 | uint8_t buffer1[4]; | |
1987 | int n_opr_bytes1; | |
1988 | ||
1989 | expressionS exp1; | |
8b3a46f9 | 1990 | if (!lex_opr (buffer1, &n_opr_bytes1, &exp1, false)) |
7b4ae824 JD |
1991 | goto fail; |
1992 | ||
1993 | n_bytes += n_opr_bytes1; | |
1994 | if (!lex_match (',')) | |
1995 | goto fail; | |
1996 | ||
1997 | uint8_t buffer2[4]; | |
1998 | int n_opr_bytes2 = 0; | |
1999 | expressionS exp2; | |
2000 | long imm; | |
2001 | bool immediate = false; | |
2002 | if (lex_imm (&imm)) | |
2003 | { | |
2004 | immediate = true; | |
2005 | } | |
8b3a46f9 | 2006 | else if (!lex_opr (buffer2, &n_opr_bytes2, &exp2, false)) |
7b4ae824 JD |
2007 | goto fail; |
2008 | ||
2009 | uint8_t sb = 0x20; | |
2010 | ||
2011 | int size = size_from_suffix (insn, 0); | |
2012 | ||
2013 | if (size != -1) | |
2014 | sb |= size - 1; | |
2015 | ||
2016 | sb |= dir << 6; | |
2017 | sb |= type << 7; | |
2018 | ||
2019 | if (immediate) | |
2020 | { | |
2021 | if (imm == 2 || imm == 1) | |
2022 | { | |
2023 | if (imm == 2) | |
2024 | sb |= 0x08; | |
2025 | } | |
2026 | else | |
2027 | { | |
2028 | n_bytes++; | |
2029 | sb |= 0x10; | |
2030 | if (imm % 2) | |
2031 | sb |= 0x08; | |
2032 | } | |
2033 | } | |
2034 | else | |
2035 | { | |
2036 | n_bytes += n_opr_bytes2; | |
2037 | sb |= 0x10; | |
2038 | } | |
2039 | ||
2040 | char *f = s12z_new_insn (n_bytes); | |
2041 | number_to_chars_bigendian (f++, insn->opc | Dd, 1); | |
2042 | number_to_chars_bigendian (f++, sb, 1); | |
2043 | f = emit_opr (f, buffer1, n_opr_bytes1, &exp1); | |
2044 | if (immediate) | |
2045 | { | |
2046 | if (imm != 1 && imm != 2) | |
2047 | { | |
2048 | number_to_chars_bigendian (f++, 0x70 | (imm >> 1), 1); | |
2049 | } | |
2050 | } | |
2051 | else | |
2052 | { | |
2053 | f = emit_opr (f, buffer2, n_opr_bytes2, &exp2); | |
2054 | } | |
2055 | ||
2056 | return 1; | |
2057 | ||
2058 | fail: | |
2059 | fail_line_pointer = input_line_pointer; | |
2060 | input_line_pointer = ilp; | |
2061 | return 0; | |
2062 | } | |
2063 | ||
2064 | /* Shift instruction with a register operand */ | |
2065 | static int | |
2066 | shift_reg (const struct instruction *insn) | |
2067 | { | |
2068 | short dir = -1; | |
2069 | short type = -1; | |
2070 | impute_shift_dir_and_type (insn, &type, &dir); | |
2071 | ||
2072 | if (lex_shift_reg_imm1 (insn, type, dir)) | |
2073 | return 1; | |
2074 | ||
2075 | return lex_shift_reg (insn, type, dir); | |
2076 | } | |
2077 | ||
2078 | static int | |
2079 | bm_regd_imm (const struct instruction *insn) | |
2080 | { | |
2081 | char *ilp = input_line_pointer; | |
2082 | int Di = 0; | |
2083 | if (!lex_reg_name (REG_BIT_Dn, &Di)) | |
2084 | goto fail; | |
2085 | ||
2086 | if (!lex_match (',')) | |
2087 | goto fail; | |
2088 | ||
2089 | long imm; | |
2090 | if (!lex_imm (&imm)) | |
2091 | goto fail; | |
2092 | ||
2093 | ||
2094 | uint8_t bm = imm << 3; | |
2095 | bm |= Di; | |
2096 | ||
2097 | char *f = s12z_new_insn (2); | |
2098 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2099 | number_to_chars_bigendian (f++, bm, 1); | |
2100 | ||
2101 | return 1; | |
2102 | ||
2103 | fail: | |
2104 | fail_line_pointer = input_line_pointer; | |
2105 | input_line_pointer = ilp; | |
2106 | return 0; | |
2107 | } | |
2108 | ||
2109 | static int | |
2110 | bm_opr_reg (const struct instruction *insn) | |
2111 | { | |
2112 | char *ilp = input_line_pointer; | |
2113 | ||
2114 | uint8_t buffer[4]; | |
2115 | int n_opr_bytes; | |
2116 | ||
2117 | expressionS exp; | |
8b3a46f9 | 2118 | if (!lex_opr (buffer, &n_opr_bytes, &exp, false)) |
7b4ae824 JD |
2119 | goto fail; |
2120 | ||
2121 | if (!lex_match (',')) | |
2122 | goto fail; | |
2123 | ||
2124 | int Dn = 0; | |
2125 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) | |
2126 | goto fail; | |
2127 | ||
2128 | uint8_t bm = Dn << 4; | |
2129 | int size = size_from_suffix (insn, 0); | |
2130 | bm |= (size - 1) << 2; | |
2131 | bm |= 0x81; | |
2132 | ||
2133 | char *f = s12z_new_insn (2 + n_opr_bytes); | |
2134 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2135 | number_to_chars_bigendian (f++, bm, 1); | |
2136 | ||
2137 | emit_opr (f, buffer, n_opr_bytes, &exp); | |
2138 | ||
2139 | return 1; | |
2140 | ||
2141 | fail: | |
2142 | fail_line_pointer = input_line_pointer; | |
2143 | input_line_pointer = ilp; | |
2144 | return 0; | |
2145 | } | |
2146 | ||
2147 | ||
2148 | static int | |
2149 | bm_opr_imm (const struct instruction *insn) | |
2150 | { | |
2151 | char *ilp = input_line_pointer; | |
2152 | ||
2153 | uint8_t buffer[4]; | |
2154 | int n_opr_bytes; | |
2155 | ||
2156 | expressionS exp; | |
8b3a46f9 | 2157 | if (!lex_opr (buffer, &n_opr_bytes, &exp, false)) |
7b4ae824 JD |
2158 | goto fail; |
2159 | ||
2160 | if (!lex_match (',')) | |
2161 | goto fail; | |
2162 | ||
2163 | ||
2164 | long imm; | |
2165 | if (!lex_imm (&imm)) | |
2166 | goto fail; | |
2167 | ||
2168 | int size = size_from_suffix (insn, 0); | |
2169 | ||
2170 | if (imm < 0 || imm >= size * 8) | |
2171 | { | |
2172 | as_bad (_("Immediate operand %ld is inappropriate for size of instruction"), imm); | |
2173 | goto fail; | |
2174 | } | |
2175 | ||
2176 | uint8_t bm = 0x80; | |
2177 | if (size == 2) | |
2178 | bm |= 0x02; | |
2179 | else if (size == 4) | |
2180 | bm |= 0x08; | |
2181 | bm |= (imm & 0x07) << 4; | |
2182 | bm |= (imm >> 3); | |
2183 | ||
2184 | ||
2185 | char *f = s12z_new_insn (2 + n_opr_bytes); | |
2186 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2187 | number_to_chars_bigendian (f++, bm, 1); | |
2188 | emit_opr (f, buffer, n_opr_bytes, &exp); | |
2189 | ||
2190 | return 1; | |
2191 | ||
2192 | fail: | |
2193 | fail_line_pointer = input_line_pointer; | |
2194 | input_line_pointer = ilp; | |
2195 | return 0; | |
2196 | } | |
2197 | ||
2198 | ||
2199 | static int | |
2200 | bm_regd_reg (const struct instruction *insn) | |
2201 | { | |
2202 | char *ilp = input_line_pointer; | |
2203 | int Di = 0; | |
2204 | if (!lex_reg_name (REG_BIT_Dn, &Di)) | |
2205 | goto fail; | |
2206 | ||
2207 | if (!lex_match (',')) | |
2208 | goto fail; | |
2209 | ||
2210 | int Dn = 0; | |
2211 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) | |
2212 | goto fail; | |
2213 | ||
2214 | uint8_t bm = Dn << 4; | |
2215 | bm |= 0x81; | |
2216 | ||
2217 | uint8_t xb = Di | 0xb8; | |
2218 | ||
2219 | char *f = s12z_new_insn (3); | |
2220 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2221 | number_to_chars_bigendian (f++, bm, 1); | |
2222 | number_to_chars_bigendian (f++, xb, 1); | |
2223 | ||
2224 | return 1; | |
2225 | ||
2226 | fail: | |
2227 | fail_line_pointer = input_line_pointer; | |
2228 | input_line_pointer = ilp; | |
2229 | return 0; | |
2230 | } | |
2231 | ||
2232 | ||
2233 | \f | |
2234 | ||
2235 | ||
2236 | static int | |
2237 | bf_reg_opr_imm (const struct instruction *insn, short ie) | |
2238 | { | |
2239 | char *ilp = input_line_pointer; | |
2240 | int Dd = 0; | |
2241 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
2242 | goto fail; | |
2243 | ||
2244 | if (!lex_match (',')) | |
2245 | goto fail; | |
2246 | ||
2247 | uint8_t buffer[4]; | |
2248 | int n_bytes; | |
2249 | ||
2250 | expressionS exp; | |
8b3a46f9 | 2251 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2252 | goto fail; |
2253 | ||
2254 | if (!lex_match (',')) | |
2255 | goto fail; | |
2256 | ||
2257 | long width; | |
2258 | if (!lex_imm (&width)) | |
2259 | goto fail; | |
2260 | ||
2261 | if (width < 0 || width > 31) | |
2262 | { | |
2263 | as_bad (_("Invalid width value for %s"), insn->name); | |
2264 | goto fail; | |
2265 | } | |
2266 | ||
2267 | if (!lex_match (':')) | |
2268 | goto fail; | |
2269 | ||
2270 | long offset; | |
2271 | if (!lex_constant (&offset)) | |
2272 | goto fail; | |
2273 | ||
2274 | if (offset < 0 || offset > 31) | |
2275 | { | |
2276 | as_bad (_("Invalid offset value for %s"), insn->name); | |
2277 | goto fail; | |
2278 | } | |
2279 | ||
2280 | uint8_t i1 = width << 5; | |
2281 | i1 |= offset; | |
2282 | ||
2283 | int size = size_from_suffix (insn, 0); | |
2284 | uint8_t bb = ie ? 0x80 : 0x00; | |
2285 | bb |= 0x60; | |
2286 | bb |= (size - 1) << 2; | |
2287 | bb |= width >> 3; | |
2288 | ||
2289 | char *f = s12z_new_insn (4 + n_bytes); | |
2290 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2291 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); | |
2292 | number_to_chars_bigendian (f++, bb, 1); | |
2293 | number_to_chars_bigendian (f++, i1, 1); | |
2294 | ||
2295 | emit_opr (f, buffer, n_bytes, &exp); | |
2296 | ||
2297 | return 1; | |
2298 | ||
2299 | fail: | |
2300 | fail_line_pointer = input_line_pointer; | |
2301 | input_line_pointer = ilp; | |
2302 | return 0; | |
2303 | } | |
2304 | ||
2305 | ||
2306 | static int | |
2307 | bf_opr_reg_imm (const struct instruction *insn, short ie) | |
2308 | { | |
2309 | char *ilp = input_line_pointer; | |
2310 | uint8_t buffer[4]; | |
2311 | int n_bytes; | |
2312 | expressionS exp; | |
8b3a46f9 | 2313 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2314 | goto fail; |
2315 | ||
2316 | if (!lex_match (',')) | |
2317 | goto fail; | |
2318 | ||
2319 | int Ds = 0; | |
2320 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) | |
2321 | goto fail; | |
2322 | ||
2323 | if (!lex_match (',')) | |
2324 | goto fail; | |
2325 | ||
2326 | long width; | |
2327 | if (!lex_imm (&width)) | |
2328 | goto fail; | |
2329 | ||
2330 | if (width < 0 || width > 31) | |
2331 | { | |
2332 | as_bad (_("Invalid width value for %s"), insn->name); | |
2333 | goto fail; | |
2334 | } | |
2335 | ||
2336 | if (!lex_match (':')) | |
2337 | goto fail; | |
2338 | ||
2339 | long offset; | |
2340 | if (!lex_constant (&offset)) | |
2341 | goto fail; | |
2342 | ||
2343 | if (offset < 0 || offset > 31) | |
2344 | { | |
2345 | as_bad (_("Invalid offset value for %s"), insn->name); | |
2346 | goto fail; | |
2347 | } | |
2348 | ||
2349 | uint8_t i1 = width << 5; | |
2350 | i1 |= offset; | |
2351 | ||
2352 | int size = size_from_suffix (insn, 0); | |
2353 | uint8_t bb = ie ? 0x80 : 0x00; | |
2354 | bb |= 0x70; | |
2355 | bb |= (size - 1) << 2; | |
2356 | bb |= width >> 3; | |
2357 | ||
2358 | char *f = s12z_new_insn (4 + n_bytes); | |
2359 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2360 | number_to_chars_bigendian (f++, 0x08 | Ds, 1); | |
2361 | number_to_chars_bigendian (f++, bb, 1); | |
2362 | number_to_chars_bigendian (f++, i1, 1); | |
2363 | ||
2364 | emit_opr (f, buffer, n_bytes, &exp); | |
2365 | ||
2366 | return 1; | |
2367 | ||
2368 | fail: | |
2369 | fail_line_pointer = input_line_pointer; | |
2370 | input_line_pointer = ilp; | |
2371 | return 0; | |
2372 | } | |
2373 | ||
2374 | ||
2375 | ||
2376 | static int | |
2377 | bf_reg_reg_imm (const struct instruction *insn, short ie) | |
2378 | { | |
2379 | char *ilp = input_line_pointer; | |
2380 | int Dd = 0; | |
2381 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
2382 | goto fail; | |
2383 | ||
2384 | if (!lex_match (',')) | |
2385 | goto fail; | |
2386 | ||
2387 | int Ds = 0; | |
2388 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) | |
2389 | goto fail; | |
2390 | ||
2391 | if (!lex_match (',')) | |
2392 | goto fail; | |
2393 | ||
2394 | long width; | |
2395 | if (!lex_imm (&width)) | |
2396 | goto fail; | |
2397 | ||
2398 | if (width < 0 || width > 31) | |
2399 | { | |
2400 | as_bad (_("Invalid width value for %s"), insn->name); | |
2401 | goto fail; | |
2402 | } | |
2403 | ||
2404 | if (!lex_match (':')) | |
2405 | goto fail; | |
2406 | ||
2407 | long offset; | |
2408 | if (!lex_constant (&offset)) | |
2409 | goto fail; | |
2410 | ||
2411 | if (offset < 0 || offset > 31) | |
2412 | { | |
2413 | as_bad (_("Invalid offset value for %s"), insn->name); | |
2414 | goto fail; | |
2415 | } | |
2416 | ||
2417 | uint8_t bb = ie ? 0x80 : 0x00; | |
2418 | bb |= 0x20; | |
2419 | bb |= Ds << 2; | |
2420 | bb |= width >> 3; | |
2421 | ||
2422 | uint8_t i1 = width << 5; | |
2423 | i1 |= offset; | |
2424 | ||
2425 | char *f = s12z_new_insn (4); | |
2426 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2427 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); | |
2428 | number_to_chars_bigendian (f++, bb, 1); | |
2429 | number_to_chars_bigendian (f++, i1, 1); | |
2430 | ||
2431 | return 1; | |
2432 | ||
2433 | fail: | |
2434 | fail_line_pointer = input_line_pointer; | |
2435 | input_line_pointer = ilp; | |
2436 | return 0; | |
2437 | } | |
2438 | ||
2439 | static int | |
2440 | bf_reg_reg_reg (const struct instruction *insn ATTRIBUTE_UNUSED, short ie) | |
2441 | { | |
2442 | char *ilp = input_line_pointer; | |
2443 | int Dd = 0; | |
2444 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
2445 | goto fail; | |
2446 | ||
2447 | if (!lex_match (',')) | |
2448 | goto fail; | |
2449 | ||
2450 | int Ds = 0; | |
2451 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) | |
2452 | goto fail; | |
2453 | ||
2454 | if (!lex_match (',')) | |
2455 | goto fail; | |
2456 | ||
2457 | int Dp = 0; | |
2458 | if (!lex_reg_name ((0x01u << REG_D2) | | |
2459 | (0x01u << REG_D3) | | |
2460 | (0x01u << REG_D4) | | |
2461 | (0x01u << REG_D5), | |
2462 | &Dp)) | |
2463 | goto fail; | |
2464 | ||
2465 | uint8_t bb = ie ? 0x80 : 0x00; | |
2466 | bb |= Ds << 2; | |
2467 | bb |= Dp; | |
2468 | ||
2469 | char *f = s12z_new_insn (3); | |
2470 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2471 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); | |
2472 | number_to_chars_bigendian (f++, bb , 1); | |
2473 | ||
2474 | return 1; | |
2475 | ||
2476 | fail: | |
2477 | fail_line_pointer = input_line_pointer; | |
2478 | input_line_pointer = ilp; | |
2479 | return 0; | |
2480 | } | |
2481 | ||
2482 | static int | |
2483 | bf_opr_reg_reg (const struct instruction *insn, short ie) | |
2484 | { | |
2485 | char *ilp = input_line_pointer; | |
2486 | ||
2487 | uint8_t buffer[4]; | |
2488 | int n_bytes; | |
2489 | expressionS exp; | |
8b3a46f9 | 2490 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2491 | goto fail; |
2492 | ||
2493 | if (!lex_match (',')) | |
2494 | goto fail; | |
2495 | ||
2496 | ||
2497 | int Ds = 0; | |
2498 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) | |
2499 | goto fail; | |
2500 | ||
2501 | if (!lex_match (',')) | |
2502 | goto fail; | |
2503 | ||
2504 | ||
2505 | int Dp = 0; | |
2506 | if (!lex_reg_name ((0x01u << REG_D2) | | |
2507 | (0x01u << REG_D3) | | |
2508 | (0x01u << REG_D4) | | |
2509 | (0x01u << REG_D5), | |
2510 | &Dp)) | |
2511 | goto fail; | |
2512 | ||
2513 | int size = size_from_suffix (insn, 0); | |
2514 | uint8_t bb = ie ? 0x80 : 0x00; | |
2515 | bb |= 0x50; | |
2516 | bb |= Dp; | |
2517 | bb |= (size - 1) << 2; | |
2518 | ||
2519 | char *f = s12z_new_insn (3 + n_bytes); | |
2520 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2521 | number_to_chars_bigendian (f++, 0x08 | Ds, 1); | |
2522 | number_to_chars_bigendian (f++, bb , 1); | |
2523 | ||
2524 | emit_opr (f, buffer, n_bytes, &exp); | |
2525 | ||
2526 | return 1; | |
2527 | ||
2528 | fail: | |
2529 | fail_line_pointer = input_line_pointer; | |
2530 | input_line_pointer = ilp; | |
2531 | return 0; | |
2532 | } | |
2533 | ||
2534 | ||
2535 | static int | |
2536 | bf_reg_opr_reg (const struct instruction *insn, short ie) | |
2537 | { | |
2538 | char *ilp = input_line_pointer; | |
2539 | int Dd = 0; | |
2540 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
2541 | goto fail; | |
2542 | ||
2543 | if (!lex_match (',')) | |
2544 | goto fail; | |
2545 | ||
2546 | ||
2547 | uint8_t buffer[4]; | |
2548 | int n_bytes; | |
2549 | expressionS exp; | |
8b3a46f9 | 2550 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2551 | goto fail; |
2552 | ||
2553 | if (!lex_match (',')) | |
2554 | goto fail; | |
2555 | ||
2556 | int Dp = 0; | |
2557 | if (!lex_reg_name ((0x01u << REG_D2) | | |
2558 | (0x01u << REG_D3) | | |
2559 | (0x01u << REG_D4) | | |
2560 | (0x01u << REG_D5), | |
2561 | &Dp)) | |
2562 | goto fail; | |
2563 | ||
2564 | int size = size_from_suffix (insn, 0); | |
2565 | uint8_t bb = ie ? 0x80 : 0x00; | |
2566 | bb |= 0x40; | |
2567 | bb |= Dp; | |
2568 | bb |= (size - 1) << 2; | |
2569 | ||
2570 | char *f = s12z_new_insn (3 + n_bytes); | |
2571 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2572 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); | |
2573 | number_to_chars_bigendian (f++, bb , 1); | |
2574 | ||
2575 | emit_opr (f, buffer, n_bytes, &exp); | |
2576 | ||
2577 | return 1; | |
2578 | ||
2579 | fail: | |
2580 | fail_line_pointer = input_line_pointer; | |
2581 | input_line_pointer = ilp; | |
2582 | return 0; | |
2583 | } | |
2584 | ||
2585 | ||
2586 | ||
2587 | static int | |
2588 | bfe_reg_reg_reg (const struct instruction *insn) | |
2589 | { | |
2590 | return bf_reg_reg_reg (insn, 0); | |
2591 | } | |
2592 | ||
2593 | static int | |
2594 | bfi_reg_reg_reg (const struct instruction *insn) | |
2595 | { | |
2596 | return bf_reg_reg_reg (insn, 1); | |
2597 | } | |
2598 | ||
2599 | static int | |
2600 | bfe_reg_reg_imm (const struct instruction *insn) | |
2601 | { | |
2602 | return bf_reg_reg_imm (insn, 0); | |
2603 | } | |
2604 | ||
2605 | static int | |
2606 | bfi_reg_reg_imm (const struct instruction *insn) | |
2607 | { | |
2608 | return bf_reg_reg_imm (insn, 1); | |
2609 | } | |
2610 | ||
2611 | ||
2612 | static int | |
2613 | bfe_reg_opr_reg (const struct instruction *insn) | |
2614 | { | |
2615 | return bf_reg_opr_reg (insn, 0); | |
2616 | } | |
2617 | ||
2618 | static int | |
2619 | bfi_reg_opr_reg (const struct instruction *insn) | |
2620 | { | |
2621 | return bf_reg_opr_reg (insn, 1); | |
2622 | } | |
2623 | ||
2624 | ||
2625 | static int | |
2626 | bfe_opr_reg_reg (const struct instruction *insn) | |
2627 | { | |
2628 | return bf_opr_reg_reg (insn, 0); | |
2629 | } | |
2630 | ||
2631 | static int | |
2632 | bfi_opr_reg_reg (const struct instruction *insn) | |
2633 | { | |
2634 | return bf_opr_reg_reg (insn, 1); | |
2635 | } | |
2636 | ||
2637 | static int | |
2638 | bfe_reg_opr_imm (const struct instruction *insn) | |
2639 | { | |
2640 | return bf_reg_opr_imm (insn, 0); | |
2641 | } | |
2642 | ||
2643 | static int | |
2644 | bfi_reg_opr_imm (const struct instruction *insn) | |
2645 | { | |
2646 | return bf_reg_opr_imm (insn, 1); | |
2647 | } | |
2648 | ||
2649 | static int | |
2650 | bfe_opr_reg_imm (const struct instruction *insn) | |
2651 | { | |
2652 | return bf_opr_reg_imm (insn, 0); | |
2653 | } | |
2654 | ||
2655 | static int | |
2656 | bfi_opr_reg_imm (const struct instruction *insn) | |
2657 | { | |
2658 | return bf_opr_reg_imm (insn, 1); | |
2659 | } | |
2660 | ||
2661 | \f | |
2662 | ||
2663 | ||
2664 | static int | |
2665 | tb_reg_rel (const struct instruction *insn) | |
2666 | { | |
2667 | char *ilp = input_line_pointer; | |
2668 | ||
2669 | int reg; | |
2670 | if (!lex_reg_name (REG_BIT_Dn | REG_BIT_XY, ®)) | |
2671 | goto fail; | |
2672 | ||
2673 | if (!lex_match (',')) | |
2674 | goto fail; | |
2675 | ||
2676 | bool long_displacement; | |
2677 | expressionS exp; | |
2678 | if (! lex_15_bit_offset (&long_displacement, &exp)) | |
2679 | goto fail; | |
2680 | ||
2681 | uint8_t lb = 0x00; | |
2682 | if (reg == REG_X || reg == REG_Y) | |
2683 | { | |
2684 | lb |= 0x08; | |
2685 | } | |
2686 | else | |
2687 | { | |
2688 | lb |= reg; | |
2689 | } | |
2690 | if (reg == REG_Y) | |
2691 | lb |= 0x01; | |
2692 | ||
2693 | if (0 == strncmp (insn->name + 2, "ne", 2)) | |
2694 | lb |= 0x00 << 4; | |
2695 | else if (0 == strncmp (insn->name + 2, "eq", 2)) | |
2696 | lb |= 0x01 << 4; | |
2697 | else if (0 == strncmp (insn->name + 2, "pl", 2)) | |
2698 | lb |= 0x02 << 4; | |
2699 | else if (0 == strncmp (insn->name + 2, "mi", 2)) | |
2700 | lb |= 0x03 << 4; | |
2701 | else if (0 == strncmp (insn->name + 2, "gt", 2)) | |
2702 | lb |= 0x04 << 4; | |
2703 | else if (0 == strncmp (insn->name + 2, "le", 2)) | |
2704 | lb |= 0x05 << 4; | |
2705 | ||
2706 | switch (insn->name[0]) | |
2707 | { | |
2708 | case 'd': | |
2709 | lb |= 0x80; | |
2710 | break; | |
2711 | case 't': | |
2712 | break; | |
2713 | default: | |
2714 | gas_assert (0); | |
2715 | break; | |
2716 | }; | |
2717 | ||
2718 | char *f = s12z_new_insn (long_displacement ? 4 : 3); | |
2719 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2720 | number_to_chars_bigendian (f++, lb, 1); | |
2721 | ||
2722 | emit_15_bit_offset (f, 4, &exp); | |
2723 | ||
2724 | return 1; | |
2725 | ||
2726 | fail: | |
2727 | fail_line_pointer = input_line_pointer; | |
2728 | input_line_pointer = ilp; | |
2729 | return 0; | |
2730 | } | |
2731 | ||
2732 | ||
2733 | static int | |
2734 | tb_opr_rel (const struct instruction *insn) | |
2735 | { | |
2736 | char *ilp = input_line_pointer; | |
2737 | ||
2738 | uint8_t buffer[4]; | |
2739 | int n_bytes; | |
2740 | expressionS exp; | |
8b3a46f9 | 2741 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2742 | goto fail; |
2743 | ||
2744 | if (!lex_match (',')) | |
2745 | goto fail; | |
2746 | ||
2747 | bool long_displacement; | |
2748 | expressionS exp2; | |
2749 | if (! lex_15_bit_offset (&long_displacement, &exp2)) | |
2750 | goto fail; | |
2751 | ||
2752 | uint8_t lb = 0x0C; | |
2753 | ||
2754 | if (0 == strncmp (insn->name + 2, "ne", 2)) | |
2755 | lb |= 0x00 << 4; | |
2756 | else if (0 == strncmp (insn->name + 2, "eq", 2)) | |
2757 | lb |= 0x01 << 4; | |
2758 | else if (0 == strncmp (insn->name + 2, "pl", 2)) | |
2759 | lb |= 0x02 << 4; | |
2760 | else if (0 == strncmp (insn->name + 2, "mi", 2)) | |
2761 | lb |= 0x03 << 4; | |
2762 | else if (0 == strncmp (insn->name + 2, "gt", 2)) | |
2763 | lb |= 0x04 << 4; | |
2764 | else if (0 == strncmp (insn->name + 2, "le", 2)) | |
2765 | lb |= 0x05 << 4; | |
2766 | ||
2767 | switch (insn->name[0]) | |
2768 | { | |
2769 | case 'd': | |
2770 | lb |= 0x80; | |
2771 | break; | |
2772 | case 't': | |
2773 | break; | |
2774 | default: | |
2775 | gas_assert (0); | |
2776 | break; | |
2777 | }; | |
2778 | ||
2779 | int size = size_from_suffix (insn, 0); | |
2780 | ||
2781 | lb |= size -1; | |
2782 | ||
2783 | char *f = s12z_new_insn (n_bytes + (long_displacement ? 4 : 3)); | |
2784 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2785 | number_to_chars_bigendian (f++, lb, 1); | |
2786 | f = emit_opr (f, buffer, n_bytes, &exp); | |
2787 | ||
2788 | emit_15_bit_offset (f, n_bytes + 4, &exp2); | |
2789 | ||
2790 | return 1; | |
2791 | ||
2792 | fail: | |
2793 | fail_line_pointer = input_line_pointer; | |
2794 | input_line_pointer = ilp; | |
2795 | return 0; | |
2796 | } | |
2797 | ||
2798 | \f | |
2799 | ||
2800 | ||
2801 | static int | |
2802 | test_br_reg_reg_rel (const struct instruction *insn) | |
2803 | { | |
2804 | char *ilp = input_line_pointer; | |
2805 | ||
2806 | int Di = 0; | |
2807 | if (!lex_reg_name (REG_BIT_Dn, &Di)) | |
2808 | goto fail; | |
2809 | ||
2810 | if (!lex_match (',')) | |
2811 | goto fail; | |
2812 | ||
2813 | ||
2814 | int Dn = 0; | |
2815 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) | |
2816 | goto fail; | |
2817 | ||
2818 | if (!lex_match (',')) | |
2819 | goto fail; | |
2820 | ||
2821 | ||
2822 | bool long_displacement; | |
2823 | expressionS exp; | |
2824 | if (! lex_15_bit_offset (&long_displacement, &exp)) | |
2825 | goto fail; | |
2826 | ||
2827 | uint8_t bm = 0x81; | |
2828 | uint8_t xb = 0xb8; | |
2829 | ||
2830 | bm |= Dn << 4; | |
2831 | xb |= Di; | |
2832 | ||
2833 | char *f = s12z_new_insn (long_displacement ? 5 : 4); | |
2834 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2835 | number_to_chars_bigendian (f++, bm, 1); | |
2836 | number_to_chars_bigendian (f++, xb, 1); | |
2837 | ||
2838 | emit_15_bit_offset (f, 5, &exp); | |
2839 | ||
2840 | return 1; | |
2841 | ||
2842 | fail: | |
2843 | fail_line_pointer = input_line_pointer; | |
2844 | input_line_pointer = ilp; | |
2845 | return 0; | |
2846 | } | |
2847 | ||
2848 | static int | |
2849 | test_br_opr_reg_rel (const struct instruction *insn) | |
2850 | { | |
2851 | char *ilp = input_line_pointer; | |
2852 | ||
2853 | uint8_t buffer[4]; | |
2854 | int n_bytes; | |
2855 | expressionS exp; | |
8b3a46f9 | 2856 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2857 | goto fail; |
2858 | ||
2859 | if (!lex_match (',')) | |
2860 | goto fail; | |
2861 | ||
2862 | int Dn = 0; | |
2863 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) | |
2864 | goto fail; | |
2865 | ||
2866 | if (!lex_match (',')) | |
2867 | goto fail; | |
2868 | ||
2869 | uint8_t bm = 0x81; | |
2870 | bm |= Dn << 4; | |
2871 | int size = size_from_suffix (insn, 0); | |
2872 | bm |= (size -1) << 2; | |
2873 | ||
2874 | bool long_displacement; | |
2875 | ||
2876 | expressionS exp2; | |
2877 | if (! lex_15_bit_offset (&long_displacement, &exp2)) | |
2878 | goto fail; | |
2879 | ||
2880 | int n = n_bytes + (long_displacement ? 4 : 3); | |
2881 | char *f = s12z_new_insn (n); | |
2882 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2883 | number_to_chars_bigendian (f++, bm, 1); | |
2884 | f = emit_opr (f, buffer, n_bytes, &exp); | |
2885 | ||
2886 | emit_15_bit_offset (f, n, &exp2); | |
2887 | ||
2888 | return 1; | |
2889 | ||
2890 | fail: | |
2891 | fail_line_pointer = input_line_pointer; | |
2892 | input_line_pointer = ilp; | |
2893 | return 0; | |
2894 | } | |
2895 | ||
2896 | ||
2897 | static int | |
2898 | test_br_opr_imm_rel (const struct instruction *insn) | |
2899 | { | |
2900 | char *ilp = input_line_pointer; | |
2901 | ||
2902 | uint8_t buffer[4]; | |
2903 | int n_bytes; | |
2904 | expressionS exp; | |
8b3a46f9 | 2905 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2906 | goto fail; |
2907 | ||
2908 | if (!lex_match (',')) | |
2909 | goto fail; | |
2910 | ||
2911 | long imm; | |
2912 | if (!lex_imm (&imm)) | |
2913 | goto fail; | |
2914 | ||
2915 | if (imm < 0 || imm > 31) | |
2916 | goto fail; | |
2917 | ||
2918 | if (!lex_match (',')) | |
2919 | goto fail; | |
2920 | ||
2921 | bool long_displacement; | |
2922 | expressionS exp2; | |
2923 | if (! lex_15_bit_offset (&long_displacement, &exp2)) | |
2924 | goto fail; | |
2925 | ||
2926 | int size = size_from_suffix (insn, 0); | |
2927 | ||
2928 | uint8_t bm = 0x80; | |
2929 | bm |= (imm & 0x07) << 4; | |
2930 | bm |= (imm >> 3) & 0x03; | |
2931 | if (size == 4) | |
2932 | bm |= 0x08; | |
2933 | else if (size == 2) | |
2934 | bm |= 0x02; | |
2935 | ||
2936 | char *f = s12z_new_insn (n_bytes + (long_displacement ? 4 : 3)); | |
2937 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2938 | number_to_chars_bigendian (f++, bm, 1); | |
2939 | f = emit_opr (f, buffer, n_bytes, &exp); | |
2940 | ||
2941 | emit_15_bit_offset (f, n_bytes + 4, &exp2); | |
2942 | ||
2943 | return 1; | |
2944 | ||
2945 | fail: | |
2946 | fail_line_pointer = input_line_pointer; | |
2947 | input_line_pointer = ilp; | |
2948 | return 0; | |
2949 | } | |
2950 | ||
2951 | ||
2952 | static int | |
2953 | test_br_reg_imm_rel (const struct instruction *insn) | |
2954 | { | |
2955 | char *ilp = input_line_pointer; | |
2956 | ||
2957 | int Di = 0; | |
2958 | if (!lex_reg_name (REG_BIT_Dn, &Di)) | |
2959 | goto fail; | |
2960 | ||
2961 | if (!lex_match (',')) | |
2962 | goto fail; | |
2963 | ||
2964 | long imm; | |
2965 | if (!lex_imm (&imm)) | |
2966 | goto fail; | |
2967 | ||
2968 | if (imm < 0 || imm > 31) | |
2969 | goto fail; | |
2970 | ||
2971 | ||
2972 | if (!lex_match (',')) | |
2973 | goto fail; | |
2974 | ||
2975 | bool long_displacement; | |
2976 | expressionS exp; | |
2977 | if (! lex_15_bit_offset (&long_displacement, &exp)) | |
2978 | goto fail; | |
2979 | ||
2980 | uint8_t bm = Di; | |
2981 | bm |= imm << 3; | |
2982 | ||
2983 | char *f = s12z_new_insn (long_displacement ? 4 : 3); | |
2984 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2985 | number_to_chars_bigendian (f++, bm, 1); | |
2986 | ||
2987 | emit_15_bit_offset (f, 4, &exp); | |
2988 | ||
2989 | return 1; | |
2990 | ||
2991 | fail: | |
2992 | fail_line_pointer = input_line_pointer; | |
2993 | input_line_pointer = ilp; | |
2994 | return 0; | |
2995 | } | |
2996 | ||
2997 | ||
2998 | \f | |
2999 | ||
3000 | static const struct instruction opcodes[] = { | |
3001 | {"bgnd", 1, 0x00, no_operands, 0}, | |
3002 | {"nop", 1, 0x01, no_operands, 0}, | |
3003 | ||
3004 | {"brclr", 1, 0x02, test_br_reg_reg_rel, 0}, | |
3005 | {"brset", 1, 0x03, test_br_reg_reg_rel, 0}, | |
3006 | ||
3007 | {"brclr", 1, 0x02, test_br_reg_imm_rel, 0}, | |
3008 | {"brset", 1, 0x03, test_br_reg_imm_rel, 0}, | |
3009 | ||
3010 | {"brclr.b", 1, 0x02, test_br_opr_reg_rel, 0}, | |
3011 | {"brclr.w", 1, 0x02, test_br_opr_reg_rel, 0}, | |
3012 | {"brclr.l", 1, 0x02, test_br_opr_reg_rel, 0}, | |
3013 | ||
3014 | {"brset.b", 1, 0x03, test_br_opr_reg_rel, 0}, | |
3015 | {"brset.w", 1, 0x03, test_br_opr_reg_rel, 0}, | |
3016 | {"brset.l", 1, 0x03, test_br_opr_reg_rel, 0}, | |
3017 | ||
3018 | {"brclr.b", 1, 0x02, test_br_opr_imm_rel, 0}, | |
3019 | {"brclr.w", 1, 0x02, test_br_opr_imm_rel, 0}, | |
3020 | {"brclr.l", 1, 0x02, test_br_opr_imm_rel, 0}, | |
3021 | ||
3022 | {"brset.b", 1, 0x03, test_br_opr_imm_rel, 0}, | |
3023 | {"brset.w", 1, 0x03, test_br_opr_imm_rel, 0}, | |
3024 | {"brset.l", 1, 0x03, test_br_opr_imm_rel, 0}, | |
3025 | ||
3026 | {"psh", 1, 0x04, psh_pull, 0}, | |
3027 | {"pul", 1, 0x04, psh_pull, 0}, | |
3028 | ||
3029 | {"rts", 1, 0x05, no_operands, 0}, | |
3030 | {"lea", 1, 0x06, reg67sxy_opr, 0}, | |
3031 | ||
3032 | {"dbne", 1, 0x0b, tb_reg_rel, 0}, | |
3033 | {"dbeq", 1, 0x0b, tb_reg_rel, 0}, | |
3034 | {"dbpl", 1, 0x0b, tb_reg_rel, 0}, | |
3035 | {"dbmi", 1, 0x0b, tb_reg_rel, 0}, | |
3036 | {"dbgt", 1, 0x0b, tb_reg_rel, 0}, | |
3037 | {"dble", 1, 0x0b, tb_reg_rel, 0}, | |
3038 | ||
3039 | {"dbne.b", 1, 0x0b, tb_opr_rel, 0}, | |
3040 | {"dbeq.b", 1, 0x0b, tb_opr_rel, 0}, | |
3041 | {"dbpl.b", 1, 0x0b, tb_opr_rel, 0}, | |
3042 | {"dbmi.b", 1, 0x0b, tb_opr_rel, 0}, | |
3043 | {"dbgt.b", 1, 0x0b, tb_opr_rel, 0}, | |
3044 | {"dble.b", 1, 0x0b, tb_opr_rel, 0}, | |
3045 | ||
3046 | {"dbne.w", 1, 0x0b, tb_opr_rel, 0}, | |
3047 | {"dbeq.w", 1, 0x0b, tb_opr_rel, 0}, | |
3048 | {"dbpl.w", 1, 0x0b, tb_opr_rel, 0}, | |
3049 | {"dbmi.w", 1, 0x0b, tb_opr_rel, 0}, | |
3050 | {"dbgt.w", 1, 0x0b, tb_opr_rel, 0}, | |
3051 | {"dble.w", 1, 0x0b, tb_opr_rel, 0}, | |
3052 | ||
3053 | {"dbne.p", 1, 0x0b, tb_opr_rel, 0}, | |
3054 | {"dbeq.p", 1, 0x0b, tb_opr_rel, 0}, | |
3055 | {"dbpl.p", 1, 0x0b, tb_opr_rel, 0}, | |
3056 | {"dbmi.p", 1, 0x0b, tb_opr_rel, 0}, | |
3057 | {"dbgt.p", 1, 0x0b, tb_opr_rel, 0}, | |
3058 | {"dble.p", 1, 0x0b, tb_opr_rel, 0}, | |
3059 | ||
3060 | {"dbne.l", 1, 0x0b, tb_opr_rel, 0}, | |
3061 | {"dbeq.l", 1, 0x0b, tb_opr_rel, 0}, | |
3062 | {"dbpl.l", 1, 0x0b, tb_opr_rel, 0}, | |
3063 | {"dbmi.l", 1, 0x0b, tb_opr_rel, 0}, | |
3064 | {"dbgt.l", 1, 0x0b, tb_opr_rel, 0}, | |
3065 | {"dble.l", 1, 0x0b, tb_opr_rel, 0}, | |
3066 | ||
3067 | {"tbne", 1, 0x0b, tb_reg_rel, 0}, | |
3068 | {"tbeq", 1, 0x0b, tb_reg_rel, 0}, | |
3069 | {"tbpl", 1, 0x0b, tb_reg_rel, 0}, | |
3070 | {"tbmi", 1, 0x0b, tb_reg_rel, 0}, | |
3071 | {"tbgt", 1, 0x0b, tb_reg_rel, 0}, | |
3072 | {"tble", 1, 0x0b, tb_reg_rel, 0}, | |
3073 | ||
3074 | {"tbne.b", 1, 0x0b, tb_opr_rel, 0}, | |
3075 | {"tbeq.b", 1, 0x0b, tb_opr_rel, 0}, | |
3076 | {"tbpl.b", 1, 0x0b, tb_opr_rel, 0}, | |
3077 | {"tbmi.b", 1, 0x0b, tb_opr_rel, 0}, | |
3078 | {"tbgt.b", 1, 0x0b, tb_opr_rel, 0}, | |
3079 | {"tble.b", 1, 0x0b, tb_opr_rel, 0}, | |
3080 | ||
3081 | {"tbne.w", 1, 0x0b, tb_opr_rel, 0}, | |
3082 | {"tbeq.w", 1, 0x0b, tb_opr_rel, 0}, | |
3083 | {"tbpl.w", 1, 0x0b, tb_opr_rel, 0}, | |
3084 | {"tbmi.w", 1, 0x0b, tb_opr_rel, 0}, | |
3085 | {"tbgt.w", 1, 0x0b, tb_opr_rel, 0}, | |
3086 | {"tble.w", 1, 0x0b, tb_opr_rel, 0}, | |
3087 | ||
3088 | {"tbne.p", 1, 0x0b, tb_opr_rel, 0}, | |
3089 | {"tbeq.p", 1, 0x0b, tb_opr_rel, 0}, | |
3090 | {"tbpl.p", 1, 0x0b, tb_opr_rel, 0}, | |
3091 | {"tbmi.p", 1, 0x0b, tb_opr_rel, 0}, | |
3092 | {"tbgt.p", 1, 0x0b, tb_opr_rel, 0}, | |
3093 | {"tble.p", 1, 0x0b, tb_opr_rel, 0}, | |
3094 | ||
3095 | {"tbne.l", 1, 0x0b, tb_opr_rel, 0}, | |
3096 | {"tbeq.l", 1, 0x0b, tb_opr_rel, 0}, | |
3097 | {"tbpl.l", 1, 0x0b, tb_opr_rel, 0}, | |
3098 | {"tbmi.l", 1, 0x0b, tb_opr_rel, 0}, | |
3099 | {"tbgt.l", 1, 0x0b, tb_opr_rel, 0}, | |
3100 | {"tble.l", 1, 0x0b, tb_opr_rel, 0}, | |
3101 | ||
3102 | {"mov.b", 1, 0x0c, imm_opr, 0}, | |
3103 | {"mov.w", 1, 0x0d, imm_opr, 0}, | |
3104 | {"mov.p", 1, 0x0e, imm_opr, 0}, | |
3105 | {"mov.l", 1, 0x0f, imm_opr, 0}, | |
3106 | ||
3107 | {"rol", 1, 0x10, rol, 0}, | |
3108 | {"rol.b", 1, 0x10, rol, 0}, | |
3109 | {"rol.w", 1, 0x10, rol, 0}, | |
3110 | {"rol.p", 1, 0x10, rol, 0}, | |
3111 | {"rol.l", 1, 0x10, rol, 0}, | |
3112 | ||
3113 | {"ror", 1, 0x10, ror, 0}, | |
3114 | {"ror.b", 1, 0x10, ror, 0}, | |
3115 | {"ror.w", 1, 0x10, ror, 0}, | |
3116 | {"ror.p", 1, 0x10, ror, 0}, | |
3117 | {"ror.l", 1, 0x10, ror, 0}, | |
3118 | ||
3119 | {"lsl", 1, 0x10, shift_reg, 0}, | |
3120 | {"lsr", 1, 0x10, shift_reg, 0}, | |
3121 | {"asl", 1, 0x10, shift_reg, 0}, | |
3122 | {"asr", 1, 0x10, shift_reg, 0}, | |
3123 | ||
3124 | {"lsl.b", 1, 0x10, shift_two_operand, 0}, | |
3125 | {"lsl.w", 1, 0x10, shift_two_operand, 0}, | |
3126 | {"lsl.p", 1, 0x10, shift_two_operand, 0}, | |
3127 | {"lsl.l", 1, 0x10, shift_two_operand, 0}, | |
3128 | {"asl.b", 1, 0x10, shift_two_operand, 0}, | |
3129 | {"asl.w", 1, 0x10, shift_two_operand, 0}, | |
3130 | {"asl.p", 1, 0x10, shift_two_operand, 0}, | |
3131 | {"asl.l", 1, 0x10, shift_two_operand, 0}, | |
3132 | ||
3133 | {"lsr.b", 1, 0x10, shift_two_operand, 0}, | |
3134 | {"lsr.w", 1, 0x10, shift_two_operand, 0}, | |
3135 | {"lsr.p", 1, 0x10, shift_two_operand, 0}, | |
3136 | {"lsr.l", 1, 0x10, shift_two_operand, 0}, | |
3137 | {"asr.b", 1, 0x10, shift_two_operand, 0}, | |
3138 | {"asr.w", 1, 0x10, shift_two_operand, 0}, | |
3139 | {"asr.p", 1, 0x10, shift_two_operand, 0}, | |
3140 | {"asr.l", 1, 0x10, shift_two_operand, 0}, | |
3141 | ||
3142 | {"lsl.b", 1, 0x10, shift_opr_imm, 0}, | |
3143 | {"lsl.w", 1, 0x10, shift_opr_imm, 0}, | |
3144 | {"lsl.p", 1, 0x10, shift_opr_imm, 0}, | |
3145 | {"lsl.l", 1, 0x10, shift_opr_imm, 0}, | |
3146 | {"asl.b", 1, 0x10, shift_opr_imm, 0}, | |
3147 | {"asl.w", 1, 0x10, shift_opr_imm, 0}, | |
3148 | {"asl.p", 1, 0x10, shift_opr_imm, 0}, | |
3149 | {"asl.l", 1, 0x10, shift_opr_imm, 0}, | |
3150 | ||
3151 | {"lsr.b", 1, 0x10, shift_opr_imm, 0}, | |
3152 | {"lsr.w", 1, 0x10, shift_opr_imm, 0}, | |
3153 | {"lsr.p", 1, 0x10, shift_opr_imm, 0}, | |
3154 | {"lsr.l", 1, 0x10, shift_opr_imm, 0}, | |
3155 | {"asr.b", 1, 0x10, shift_opr_imm, 0}, | |
3156 | {"asr.w", 1, 0x10, shift_opr_imm, 0}, | |
3157 | {"asr.p", 1, 0x10, shift_opr_imm, 0}, | |
3158 | {"asr.l", 1, 0x10, shift_opr_imm, 0}, | |
3159 | ||
3160 | {"mov.b", 1, 0x1c, opr_opr, 0}, | |
3161 | {"mov.w", 1, 0x1d, opr_opr, 0}, | |
3162 | {"mov.p", 1, 0x1e, opr_opr, 0}, | |
3163 | {"mov.l", 1, 0x1f, opr_opr, 0}, | |
3164 | ||
3165 | {"bra", 1, 0x20, rel, 0}, | |
3166 | {"bsr", 1, 0x21, rel, 0}, | |
3167 | {"bhi", 1, 0x22, rel, 0}, | |
3168 | {"bls", 1, 0x23, rel, 0}, | |
3169 | {"bcc", 1, 0x24, rel, 0}, | |
51534d7a | 3170 | {"bhs", 1, 0x24, rel, 0}, /* Alias for bcc */ |
7b4ae824 | 3171 | {"bcs", 1, 0x25, rel, 0}, |
51534d7a | 3172 | {"blo", 1, 0x25, rel, 0}, /* Alias for bcs */ |
7b4ae824 JD |
3173 | {"bne", 1, 0x26, rel, 0}, |
3174 | {"beq", 1, 0x27, rel, 0}, | |
3175 | {"bvc", 1, 0x28, rel, 0}, | |
3176 | {"bvs", 1, 0x29, rel, 0}, | |
3177 | {"bpl", 1, 0x2a, rel, 0}, | |
3178 | {"bmi", 1, 0x2b, rel, 0}, | |
3179 | {"bge", 1, 0x2c, rel, 0}, | |
3180 | {"blt", 1, 0x2d, rel, 0}, | |
3181 | {"bgt", 1, 0x2e, rel, 0}, | |
3182 | {"ble", 1, 0x2f, rel, 0}, | |
3183 | ||
3184 | {"inc", 1, 0x30, reg_inh, 0}, | |
3185 | {"clr", 1, 0x38, reg_inh, 0}, | |
3186 | {"dec", 1, 0x40, reg_inh, 0}, | |
3187 | ||
3188 | {"muls", 1, 0x48, mul_reg_reg_reg, 0}, | |
3189 | {"mulu", 1, 0x48, mul_reg_reg_reg, 0}, | |
3190 | ||
3191 | {"muls.b", 1, 0x48, mul_reg_reg_opr, 0}, | |
3192 | {"muls.w", 1, 0x48, mul_reg_reg_opr, 0}, | |
3193 | {"muls.l", 1, 0x48, mul_reg_reg_opr, 0}, | |
3194 | ||
3195 | {"mulu.b", 1, 0x48, mul_reg_reg_opr, 0}, | |
3196 | {"mulu.w", 1, 0x48, mul_reg_reg_opr, 0}, | |
3197 | {"mulu.l", 1, 0x48, mul_reg_reg_opr, 0}, | |
3198 | ||
3199 | {"muls.b", 1, 0x48, mul_reg_reg_imm, 0}, | |
3200 | {"muls.w", 1, 0x48, mul_reg_reg_imm, 0}, | |
3201 | {"muls.l", 1, 0x48, mul_reg_reg_imm, 0}, | |
3202 | ||
3203 | {"mulu.b", 1, 0x48, mul_reg_reg_imm, 0}, | |
3204 | {"mulu.w", 1, 0x48, mul_reg_reg_imm, 0}, | |
3205 | {"mulu.l", 1, 0x48, mul_reg_reg_imm, 0}, | |
3206 | ||
3207 | {"muls.bb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3208 | {"muls.bw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3209 | {"muls.bp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3210 | {"muls.bl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3211 | ||
3212 | {"muls.wb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3213 | {"muls.ww", 1, 0x48, mul_reg_opr_opr, 0}, | |
3214 | {"muls.wp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3215 | {"muls.wl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3216 | ||
3217 | {"muls.pb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3218 | {"muls.pw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3219 | {"muls.pp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3220 | {"muls.pl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3221 | ||
3222 | {"muls.lb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3223 | {"muls.lw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3224 | {"muls.lp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3225 | {"muls.ll", 1, 0x48, mul_reg_opr_opr, 0}, | |
3226 | ||
3227 | {"mulu.bb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3228 | {"mulu.bw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3229 | {"mulu.bp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3230 | {"mulu.bl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3231 | ||
3232 | {"mulu.wb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3233 | {"mulu.ww", 1, 0x48, mul_reg_opr_opr, 0}, | |
3234 | {"mulu.wp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3235 | {"mulu.wl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3236 | ||
3237 | {"mulu.pb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3238 | {"mulu.pw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3239 | {"mulu.pp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3240 | {"mulu.pl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3241 | ||
3242 | {"mulu.lb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3243 | {"mulu.lw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3244 | {"mulu.lp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3245 | {"mulu.ll", 1, 0x48, mul_reg_opr_opr, 0}, | |
3246 | ||
3247 | {"add", 1, 0x50, regd_imm, 0}, | |
3248 | {"and", 1, 0x58, regd_imm, 0}, | |
3249 | ||
3250 | {"add", 1, 0x60, regd_opr, 0}, | |
3251 | {"and", 1, 0x68, regd_opr, 0}, | |
3252 | ||
3253 | {"sub", 1, 0x70, regd_imm, 0}, | |
3254 | {"or", 1, 0x78, regd_imm, 0}, | |
3255 | ||
3256 | {"sub", 1, 0x80, regd_opr, 0}, | |
3257 | {"or", 1, 0x88, regd_opr, 0}, | |
3258 | ||
3259 | {"ld", 1, 0x90, regdxy_imm, 0}, | |
3260 | ||
3261 | {"clr", 1, 0x9a, clr_xy, 0}, | |
3262 | {"tfr", 1, 0x9e, tfr, 0}, | |
3263 | {"zex", 1, 0x9e, tfr, 0}, | |
3264 | ||
8b3a46f9 | 3265 | {"ld", 1, 0xa0, regdxy_opr_src, 0xb0}, |
7b4ae824 JD |
3266 | |
3267 | {"jmp", 1, 0xaa, opr, 0xba}, | |
3268 | {"jsr", 1, 0xab, opr, 0xbb}, | |
3269 | ||
3270 | {"exg", 1, 0xae, tfr, 0}, | |
3271 | {"sex", 1, 0xae, tfr, 0}, | |
3272 | ||
8b3a46f9 | 3273 | {"st", 1, 0xc0, regdxy_opr_dest, 0xd0}, |
7b4ae824 JD |
3274 | |
3275 | {"andcc", 1, 0xce, imm8, 0}, | |
3276 | {"orcc", 1, 0xde, imm8, 0}, | |
3277 | ||
3278 | {"inc.b", 1, 0x9c, opr, 0}, | |
3279 | {"inc.w", 1, 0x9d, opr, 0}, | |
3280 | {"inc.l", 1, 0x9f, opr, 0}, | |
3281 | ||
3282 | {"dec.b", 1, 0xac, opr, 0}, | |
3283 | {"dec.w", 1, 0xad, opr, 0}, | |
3284 | {"dec.l", 1, 0xaf, opr, 0}, | |
3285 | ||
3286 | {"clr.b", 1, 0xbc, opr, 0}, | |
3287 | {"clr.w", 1, 0xbd, opr, 0}, | |
3288 | {"clr.p", 1, 0xbe, opr, 0}, | |
3289 | {"clr.l", 1, 0xbf, opr, 0}, | |
3290 | ||
3291 | {"com.b", 1, 0xcc, opr, 0}, | |
3292 | {"com.w", 1, 0xcd, opr, 0}, | |
3293 | {"com.l", 1, 0xcf, opr, 0}, | |
3294 | ||
3295 | {"neg.b", 1, 0xdc, opr, 0}, | |
3296 | {"neg.w", 1, 0xdd, opr, 0}, | |
3297 | {"neg.l", 1, 0xdf, opr, 0}, | |
3298 | ||
3299 | {"bclr", 1, 0xec, bm_regd_imm, 0}, | |
3300 | {"bset", 1, 0xed, bm_regd_imm, 0}, | |
3301 | {"btgl", 1, 0xee, bm_regd_imm, 0}, | |
3302 | ||
3303 | {"bclr", 1, 0xec, bm_regd_reg, 0}, | |
3304 | {"bset", 1, 0xed, bm_regd_reg, 0}, | |
3305 | {"btgl", 1, 0xee, bm_regd_reg, 0}, | |
3306 | ||
3307 | {"bclr.b", 1, 0xec, bm_opr_imm, 0}, | |
3308 | {"bclr.w", 1, 0xec, bm_opr_imm, 0}, | |
3309 | {"bclr.l", 1, 0xec, bm_opr_imm, 0}, | |
3310 | ||
3311 | {"bset.b", 1, 0xed, bm_opr_imm, 0}, | |
3312 | {"bset.w", 1, 0xed, bm_opr_imm, 0}, | |
3313 | {"bset.l", 1, 0xed, bm_opr_imm, 0}, | |
3314 | ||
3315 | {"btgl.b", 1, 0xee, bm_opr_imm, 0}, | |
3316 | {"btgl.w", 1, 0xee, bm_opr_imm, 0}, | |
3317 | {"btgl.l", 1, 0xee, bm_opr_imm, 0}, | |
3318 | ||
3319 | {"bclr.b", 1, 0xec, bm_opr_reg, 0}, | |
3320 | {"bclr.w", 1, 0xec, bm_opr_reg, 0}, | |
3321 | {"bclr.l", 1, 0xec, bm_opr_reg, 0}, | |
3322 | ||
3323 | {"bset.b", 1, 0xed, bm_opr_reg, 0}, | |
3324 | {"bset.w", 1, 0xed, bm_opr_reg, 0}, | |
3325 | {"bset.l", 1, 0xed, bm_opr_reg, 0}, | |
3326 | ||
3327 | {"btgl.b", 1, 0xee, bm_opr_reg, 0}, | |
3328 | {"btgl.w", 1, 0xee, bm_opr_reg, 0}, | |
3329 | {"btgl.l", 1, 0xee, bm_opr_reg, 0}, | |
3330 | ||
3331 | {"cmp", 1, 0xe0, regdxy_imm, 0}, | |
8b3a46f9 | 3332 | {"cmp", 1, 0xf0, regdxy_opr_src, 0}, |
7b4ae824 JD |
3333 | |
3334 | {"cmp", 1, 0xfc, regx_regy, 0}, | |
3335 | {"sub", 1, 0xfd, regd6_regx_regy, 0}, | |
3336 | {"sub", 1, 0xfe, regd6_regy_regx, 0}, | |
3337 | ||
3338 | {"swi", 1, 0xff, no_operands, 0}, | |
3339 | ||
3340 | /* Page 2 */ | |
3341 | ||
3342 | /* The -10 below is a kludge. The opcode is in fact 0x00 */ | |
8b3a46f9 | 3343 | {"ld", 2, -10, regs_opr_src, 0}, |
7b4ae824 JD |
3344 | |
3345 | /* The -9 below is a kludge. The opcode is in fact 0x01 */ | |
8b3a46f9 | 3346 | {"st", 2, -9, regs_opr_dest, 0}, |
7b4ae824 JD |
3347 | |
3348 | /* The -8 below is a kludge. The opcode is in fact 0x02 */ | |
8b3a46f9 | 3349 | {"cmp", 2, -8, regs_opr_src, 0}, |
7b4ae824 JD |
3350 | |
3351 | /* The -7 below is a kludge. The opcode is in fact 0x03 */ | |
3352 | {"ld", 2, -7, regs_imm, 0}, | |
3353 | ||
3354 | /* The -6 below is a kludge. The opcode is in fact 0x04 */ | |
3355 | {"cmp", 2, -6, regs_imm, 0}, | |
3356 | ||
3357 | {"bfext", 2, 0x08, bfe_reg_reg_reg, 0}, | |
3358 | {"bfext", 2, 0x08, bfe_reg_reg_imm, 0}, | |
3359 | {"bfext.b", 2, 0x08, bfe_reg_opr_reg, 0}, | |
3360 | {"bfext.w", 2, 0x08, bfe_reg_opr_reg, 0}, | |
3361 | {"bfext.p", 2, 0x08, bfe_reg_opr_reg, 0}, | |
3362 | {"bfext.l", 2, 0x08, bfe_reg_opr_reg, 0}, | |
3363 | {"bfext.b", 2, 0x08, bfe_opr_reg_reg, 0}, | |
3364 | {"bfext.w", 2, 0x08, bfe_opr_reg_reg, 0}, | |
3365 | {"bfext.p", 2, 0x08, bfe_opr_reg_reg, 0}, | |
3366 | {"bfext.l", 2, 0x08, bfe_opr_reg_reg, 0}, | |
3367 | {"bfext.b", 2, 0x08, bfe_reg_opr_imm, 0}, | |
3368 | {"bfext.w", 2, 0x08, bfe_reg_opr_imm, 0}, | |
3369 | {"bfext.p", 2, 0x08, bfe_reg_opr_imm, 0}, | |
3370 | {"bfext.l", 2, 0x08, bfe_reg_opr_imm, 0}, | |
3371 | {"bfext.b", 2, 0x08, bfe_opr_reg_imm, 0}, | |
3372 | {"bfext.w", 2, 0x08, bfe_opr_reg_imm, 0}, | |
3373 | {"bfext.p", 2, 0x08, bfe_opr_reg_imm, 0}, | |
3374 | {"bfext.l", 2, 0x08, bfe_opr_reg_imm, 0}, | |
3375 | ||
3376 | ||
3377 | {"bfins", 2, 0x08, bfi_reg_reg_reg, 0}, | |
3378 | {"bfins", 2, 0x08, bfi_reg_reg_imm, 0}, | |
3379 | {"bfins.b", 2, 0x08, bfi_reg_opr_reg, 0}, | |
3380 | {"bfins.w", 2, 0x08, bfi_reg_opr_reg, 0}, | |
3381 | {"bfins.p", 2, 0x08, bfi_reg_opr_reg, 0}, | |
3382 | {"bfins.l", 2, 0x08, bfi_reg_opr_reg, 0}, | |
3383 | {"bfins.b", 2, 0x08, bfi_opr_reg_reg, 0}, | |
3384 | {"bfins.w", 2, 0x08, bfi_opr_reg_reg, 0}, | |
3385 | {"bfins.p", 2, 0x08, bfi_opr_reg_reg, 0}, | |
3386 | {"bfins.l", 2, 0x08, bfi_opr_reg_reg, 0}, | |
3387 | {"bfins.b", 2, 0x08, bfi_reg_opr_imm, 0}, | |
3388 | {"bfins.w", 2, 0x08, bfi_reg_opr_imm, 0}, | |
3389 | {"bfins.p", 2, 0x08, bfi_reg_opr_imm, 0}, | |
3390 | {"bfins.l", 2, 0x08, bfi_reg_opr_imm, 0}, | |
3391 | {"bfins.b", 2, 0x08, bfi_opr_reg_imm, 0}, | |
3392 | {"bfins.w", 2, 0x08, bfi_opr_reg_imm, 0}, | |
3393 | {"bfins.p", 2, 0x08, bfi_opr_reg_imm, 0}, | |
3394 | {"bfins.l", 2, 0x08, bfi_opr_reg_imm, 0}, | |
3395 | ||
3396 | ||
3397 | {"minu", 2, 0x10, regd_opr, 0}, | |
3398 | {"maxu", 2, 0x18, regd_opr, 0}, | |
3399 | {"mins", 2, 0x20, regd_opr, 0}, | |
3400 | {"maxs", 2, 0x28, regd_opr, 0}, | |
3401 | ||
3402 | {"clb", 2, 0x91, tfr, 0}, | |
3403 | ||
3404 | {"trap", 2, 0x00, trap_imm, 0}, | |
3405 | {"abs", 2, 0x40, reg_inh, 0}, | |
3406 | {"sat", 2, 0xa0, reg_inh, 0}, | |
3407 | ||
3408 | {"rti", 2, 0x90, no_operands, 0}, | |
3409 | {"stop", 2, 0x05, no_operands, 0}, | |
3410 | {"wai", 2, 0x06, no_operands, 0}, | |
3411 | {"sys", 2, 0x07, no_operands, 0}, | |
3412 | ||
3413 | {"bit", 2, 0x58, regd_imm, 0}, | |
3414 | {"bit", 2, 0x68, regd_opr, 0}, | |
3415 | ||
3416 | {"adc", 2, 0x50, regd_imm, 0}, | |
3417 | {"adc", 2, 0x60, regd_opr, 0}, | |
3418 | ||
3419 | {"sbc", 2, 0x70, regd_imm, 0}, | |
3420 | {"eor", 2, 0x78, regd_imm, 0}, | |
3421 | ||
3422 | {"sbc", 2, 0x80, regd_opr, 0}, | |
3423 | {"eor", 2, 0x88, regd_opr, 0}, | |
3424 | ||
3425 | {"divs", 2, 0x30, mul_reg_reg_reg, 0}, | |
3426 | {"divu", 2, 0x30, mul_reg_reg_reg, 0}, | |
3427 | ||
3428 | {"divs.b", 2, 0x30, mul_reg_reg_opr, 0}, | |
3429 | {"divs.w", 2, 0x30, mul_reg_reg_opr, 0}, | |
3430 | {"divs.l", 2, 0x30, mul_reg_reg_opr, 0}, | |
3431 | ||
3432 | {"divu.b", 2, 0x30, mul_reg_reg_opr, 0}, | |
3433 | {"divu.w", 2, 0x30, mul_reg_reg_opr, 0}, | |
3434 | {"divu.l", 2, 0x30, mul_reg_reg_opr, 0}, | |
3435 | ||
3436 | {"divs.b", 2, 0x30, mul_reg_reg_imm, 0}, | |
3437 | {"divs.w", 2, 0x30, mul_reg_reg_imm, 0}, | |
3438 | {"divs.l", 2, 0x30, mul_reg_reg_imm, 0}, | |
3439 | ||
3440 | {"divu.b", 2, 0x30, mul_reg_reg_imm, 0}, | |
3441 | {"divu.w", 2, 0x30, mul_reg_reg_imm, 0}, | |
3442 | {"divu.l", 2, 0x30, mul_reg_reg_imm, 0}, | |
3443 | ||
3444 | {"divs.bb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3445 | {"divs.bw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3446 | {"divs.bp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3447 | {"divs.bl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3448 | ||
3449 | {"divs.wb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3450 | {"divs.ww", 2, 0x30, mul_reg_opr_opr, 0}, | |
3451 | {"divs.wp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3452 | {"divs.wl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3453 | ||
3454 | {"divs.pb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3455 | {"divs.pw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3456 | {"divs.pp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3457 | {"divs.pl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3458 | ||
3459 | {"divs.lb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3460 | {"divs.lw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3461 | {"divs.lp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3462 | {"divs.ll", 2, 0x30, mul_reg_opr_opr, 0}, | |
3463 | ||
3464 | {"divu.bb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3465 | {"divu.bw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3466 | {"divu.bp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3467 | {"divu.bl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3468 | ||
3469 | {"divu.wb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3470 | {"divu.ww", 2, 0x30, mul_reg_opr_opr, 0}, | |
3471 | {"divu.wp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3472 | {"divu.wl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3473 | ||
3474 | {"divu.pb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3475 | {"divu.pw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3476 | {"divu.pp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3477 | {"divu.pl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3478 | ||
3479 | {"divu.lb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3480 | {"divu.lw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3481 | {"divu.lp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3482 | {"divu.ll", 2, 0x30, mul_reg_opr_opr, 0}, | |
3483 | ||
3484 | // | |
3485 | ||
3486 | {"qmuls", 2, 0xb0, mul_reg_reg_reg, 0}, | |
3487 | {"qmulu", 2, 0xb0, mul_reg_reg_reg, 0}, | |
3488 | ||
3489 | {"qmuls.b", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3490 | {"qmuls.w", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3491 | {"qmuls.l", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3492 | ||
3493 | {"qmulu.b", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3494 | {"qmulu.w", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3495 | {"qmulu.l", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3496 | ||
3497 | {"qmuls.b", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3498 | {"qmuls.w", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3499 | {"qmuls.l", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3500 | ||
3501 | {"qmulu.b", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3502 | {"qmulu.w", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3503 | {"qmulu.l", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3504 | ||
3505 | {"qmuls.bb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3506 | {"qmuls.bw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3507 | {"qmuls.bp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3508 | {"qmuls.bl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3509 | ||
3510 | {"qmuls.wb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3511 | {"qmuls.ww", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3512 | {"qmuls.wp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3513 | {"qmuls.wl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3514 | ||
3515 | {"qmuls.pb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3516 | {"qmuls.pw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3517 | {"qmuls.pp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3518 | {"qmuls.pl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3519 | ||
3520 | {"qmuls.lb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3521 | {"qmuls.lw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3522 | {"qmuls.lp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3523 | {"qmuls.ll", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3524 | ||
3525 | {"qmulu.bb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3526 | {"qmulu.bw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3527 | {"qmulu.bp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3528 | {"qmulu.bl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3529 | ||
3530 | {"qmulu.wb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3531 | {"qmulu.ww", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3532 | {"qmulu.wp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3533 | {"qmulu.wl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3534 | ||
3535 | {"qmulu.pb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3536 | {"qmulu.pw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3537 | {"qmulu.pp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3538 | {"qmulu.pl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3539 | ||
3540 | {"qmulu.lb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3541 | {"qmulu.lw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3542 | {"qmulu.lp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3543 | {"qmulu.ll", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3544 | ||
3545 | ||
3546 | // | |
3547 | ||
3548 | {"macs", 2, 0x48, mul_reg_reg_reg, 0}, | |
3549 | {"macu", 2, 0x48, mul_reg_reg_reg, 0}, | |
3550 | ||
3551 | {"macs.b", 2, 0x48, mul_reg_reg_opr, 0}, | |
3552 | {"macs.w", 2, 0x48, mul_reg_reg_opr, 0}, | |
3553 | {"macs.l", 2, 0x48, mul_reg_reg_opr, 0}, | |
3554 | ||
3555 | {"macu.b", 2, 0x48, mul_reg_reg_opr, 0}, | |
3556 | {"macu.w", 2, 0x48, mul_reg_reg_opr, 0}, | |
3557 | {"macu.l", 2, 0x48, mul_reg_reg_opr, 0}, | |
3558 | ||
3559 | {"macs.b", 2, 0x48, mul_reg_reg_imm, 0}, | |
3560 | {"macs.w", 2, 0x48, mul_reg_reg_imm, 0}, | |
3561 | {"macs.l", 2, 0x48, mul_reg_reg_imm, 0}, | |
3562 | ||
3563 | {"macu.b", 2, 0x48, mul_reg_reg_imm, 0}, | |
3564 | {"macu.w", 2, 0x48, mul_reg_reg_imm, 0}, | |
3565 | {"macu.l", 2, 0x48, mul_reg_reg_imm, 0}, | |
3566 | ||
3567 | {"macs.bb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3568 | {"macs.bw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3569 | {"macs.bp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3570 | {"macs.bl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3571 | ||
3572 | {"macs.wb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3573 | {"macs.ww", 2, 0x48, mul_reg_opr_opr, 0}, | |
3574 | {"macs.wp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3575 | {"macs.wl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3576 | ||
3577 | {"macs.pb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3578 | {"macs.pw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3579 | {"macs.pp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3580 | {"macs.pl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3581 | ||
3582 | {"macs.lb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3583 | {"macs.lw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3584 | {"macs.lp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3585 | {"macs.ll", 2, 0x48, mul_reg_opr_opr, 0}, | |
3586 | ||
3587 | {"macu.bb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3588 | {"macu.bw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3589 | {"macu.bp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3590 | {"macu.bl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3591 | ||
3592 | {"macu.wb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3593 | {"macu.ww", 2, 0x48, mul_reg_opr_opr, 0}, | |
3594 | {"macu.wp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3595 | {"macu.wl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3596 | ||
3597 | {"macu.pb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3598 | {"macu.pw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3599 | {"macu.pp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3600 | {"macu.pl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3601 | ||
3602 | {"macu.lb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3603 | {"macu.lw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3604 | {"macu.lp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3605 | {"macu.ll", 2, 0x48, mul_reg_opr_opr, 0}, | |
3606 | ||
3607 | ||
3608 | // | |
3609 | ||
3610 | {"mods", 2, 0x38, mul_reg_reg_reg, 0}, | |
3611 | {"modu", 2, 0x38, mul_reg_reg_reg, 0}, | |
3612 | ||
3613 | {"mods.b", 2, 0x38, mul_reg_reg_opr, 0}, | |
3614 | {"mods.w", 2, 0x38, mul_reg_reg_opr, 0}, | |
3615 | {"mods.l", 2, 0x38, mul_reg_reg_opr, 0}, | |
3616 | ||
3617 | {"modu.b", 2, 0x38, mul_reg_reg_opr, 0}, | |
3618 | {"modu.w", 2, 0x38, mul_reg_reg_opr, 0}, | |
3619 | {"modu.l", 2, 0x38, mul_reg_reg_opr, 0}, | |
3620 | ||
3621 | {"mods.b", 2, 0x38, mul_reg_reg_imm, 0}, | |
3622 | {"mods.w", 2, 0x38, mul_reg_reg_imm, 0}, | |
3623 | {"mods.l", 2, 0x38, mul_reg_reg_imm, 0}, | |
3624 | ||
3625 | {"modu.b", 2, 0x38, mul_reg_reg_imm, 0}, | |
3626 | {"modu.w", 2, 0x38, mul_reg_reg_imm, 0}, | |
3627 | {"modu.l", 2, 0x38, mul_reg_reg_imm, 0}, | |
3628 | ||
3629 | {"mods.bb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3630 | {"mods.bw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3631 | {"mods.bp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3632 | {"mods.bl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3633 | ||
3634 | {"mods.wb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3635 | {"mods.ww", 2, 0x38, mul_reg_opr_opr, 0}, | |
3636 | {"mods.wp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3637 | {"mods.wl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3638 | ||
3639 | {"mods.pb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3640 | {"mods.pw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3641 | {"mods.pp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3642 | {"mods.pl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3643 | ||
3644 | {"mods.lb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3645 | {"mods.lw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3646 | {"mods.lp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3647 | {"mods.ll", 2, 0x38, mul_reg_opr_opr, 0}, | |
3648 | ||
3649 | {"modu.bb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3650 | {"modu.bw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3651 | {"modu.bp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3652 | {"modu.bl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3653 | ||
3654 | {"modu.wb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3655 | {"modu.ww", 2, 0x38, mul_reg_opr_opr, 0}, | |
3656 | {"modu.wp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3657 | {"modu.wl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3658 | ||
3659 | {"modu.pb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3660 | {"modu.pw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3661 | {"modu.pp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3662 | {"modu.pl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3663 | ||
3664 | {"modu.lb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3665 | {"modu.lw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3666 | {"modu.lp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3667 | {"modu.ll", 2, 0x38, mul_reg_opr_opr, 0} | |
3668 | }; | |
3669 | ||
3670 | \f | |
3671 | /* Gas line assembler entry point. */ | |
3672 | ||
3673 | /* This is the main entry point for the machine-dependent assembler. str | |
3674 | points to a machine-dependent instruction. This function is supposed to | |
3675 | emit the frags/bytes it assembles to. */ | |
3676 | void | |
3677 | md_assemble (char *str) | |
3678 | { | |
3679 | char *op_start; | |
3680 | char *op_end; | |
3681 | char name[20]; | |
3682 | size_t nlen = 0; | |
3683 | ||
3684 | fail_line_pointer = NULL; | |
3685 | ||
3686 | /* Find the opcode end and get the opcode in 'name'. The opcode is forced | |
3687 | lower case (the opcode table only has lower case op-codes). */ | |
3688 | for (op_start = op_end = str; | |
3689 | *op_end && !is_end_of_line[(int)*op_end] && *op_end != ' '; | |
3690 | op_end++) | |
3691 | { | |
3692 | name[nlen] = TOLOWER (op_start[nlen]); | |
3693 | nlen++; | |
3694 | gas_assert (nlen < sizeof (name) - 1); | |
3695 | } | |
3696 | name[nlen] = 0; | |
3697 | ||
3698 | if (nlen == 0) | |
3699 | { | |
3700 | as_bad (_("No instruction or missing opcode.")); | |
3701 | return; | |
3702 | } | |
3703 | ||
3704 | input_line_pointer = skip_whites (op_end); | |
3705 | ||
3706 | size_t i; | |
3707 | for (i = 0; i < sizeof (opcodes) / sizeof (opcodes[0]); ++i) | |
3708 | { | |
3709 | const struct instruction *opc = opcodes + i; | |
3710 | if (0 == strcmp (name, opc->name)) | |
3711 | { | |
3712 | if (opc->parse_operands (opc)) | |
3713 | return; | |
3714 | continue; | |
3715 | } | |
3716 | } | |
3717 | ||
3718 | as_bad (_("Invalid instruction: \"%s\""), str); | |
3719 | as_bad (_("First invalid token: \"%s\""), fail_line_pointer); | |
3720 | while (*input_line_pointer++) | |
3721 | ; | |
3722 | } | |
3723 | ||
3724 | \f | |
3725 | ||
3726 | ||
3727 | \f | |
3728 | /* Relocation, relaxation and frag conversions. */ | |
3729 | ||
3730 | /* PC-relative offsets are relative to the start of the | |
3731 | next instruction. That is, the address of the offset, plus its | |
3732 | size, since the offset is always the last part of the insn. */ | |
3733 | long | |
3734 | md_pcrel_from (fixS *fixP) | |
3735 | { | |
3736 | long ret = fixP->fx_size + fixP->fx_frag->fr_address; | |
3737 | if (fixP->fx_addsy && S_IS_DEFINED (fixP->fx_addsy)) | |
3738 | ret += fixP->fx_where; | |
3739 | ||
3740 | return ret; | |
3741 | } | |
3742 | ||
3743 | ||
3744 | /* We need a port-specific relaxation function to cope with sym2 - sym1 | |
3745 | relative expressions with both symbols in the same segment (but not | |
3746 | necessarily in the same frag as this insn), for example: | |
3747 | ldab sym2-(sym1-2),pc | |
3748 | sym1: | |
3749 | The offset can be 5, 9 or 16 bits long. */ | |
3750 | ||
3751 | long | |
3752 | s12z_relax_frag (segT seg ATTRIBUTE_UNUSED, fragS *fragP ATTRIBUTE_UNUSED, | |
3753 | long stretch ATTRIBUTE_UNUSED) | |
3754 | { | |
3755 | return 0; | |
3756 | } | |
3757 | ||
3758 | void | |
3759 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, asection *sec ATTRIBUTE_UNUSED, | |
3760 | fragS *fragP ATTRIBUTE_UNUSED) | |
3761 | { | |
3762 | } | |
3763 | ||
3764 | /* On an ELF system, we can't relax a weak symbol. The weak symbol | |
3765 | can be overridden at final link time by a non weak symbol. We can | |
3766 | relax externally visible symbol because there is no shared library | |
3767 | and such symbol can't be overridden (unless they are weak). */ | |
3768 | ||
3769 | /* Force truly undefined symbols to their maximum size, and generally set up | |
3770 | the frag list to be relaxed. */ | |
3771 | int | |
3772 | md_estimate_size_before_relax (fragS *fragP ATTRIBUTE_UNUSED, asection *segment ATTRIBUTE_UNUSED) | |
3773 | { | |
3774 | return 0; | |
3775 | } | |
3776 | ||
3777 | ||
3778 | /* If while processing a fixup, a reloc really needs to be created | |
3779 | then it is done here. */ | |
3780 | arelent * | |
3781 | tc_gen_reloc (asection *section, fixS *fixp) | |
3782 | { | |
3783 | arelent *reloc = XNEW (arelent); | |
3784 | reloc->sym_ptr_ptr = XNEW (asymbol *); | |
3785 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
3786 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
3787 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
3788 | if (reloc->howto == (reloc_howto_type *) NULL) | |
3789 | { | |
3790 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
3791 | _("Relocation %d is not supported by object file format."), | |
3792 | (int) fixp->fx_r_type); | |
3793 | return NULL; | |
3794 | } | |
3795 | ||
3796 | if (0 == (section->flags & SEC_CODE)) | |
3797 | reloc->addend = fixp->fx_offset; | |
3798 | else | |
3799 | reloc->addend = fixp->fx_addnumber; | |
3800 | ||
3801 | return reloc; | |
3802 | } | |
3803 | ||
3804 | /* See whether we need to force a relocation into the output file. */ | |
3805 | int | |
3806 | tc_s12z_force_relocation (fixS *fixP) | |
3807 | { | |
3808 | return generic_force_reloc (fixP); | |
3809 | } | |
3810 | ||
3811 | /* Here we decide which fixups can be adjusted to make them relative | |
3812 | to the beginning of the section instead of the symbol. Basically | |
3813 | we need to make sure that the linker relaxation is done | |
3814 | correctly, so in some cases we force the original symbol to be | |
3815 | used. */ | |
3816 | int | |
3817 | tc_s12z_fix_adjustable (fixS *fixP ATTRIBUTE_UNUSED) | |
3818 | { | |
3819 | return 1; | |
3820 | } | |
3821 | ||
3822 | void | |
3823 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) | |
3824 | { | |
3825 | long value = *valP; | |
3826 | ||
3827 | if (fixP->fx_addsy == (symbolS *) NULL) | |
3828 | fixP->fx_done = 1; | |
3829 | ||
3830 | /* We don't actually support subtracting a symbol. */ | |
3831 | if (fixP->fx_subsy != (symbolS *) NULL) | |
3832 | as_bad_where (fixP->fx_file, fixP->fx_line, _("Expression too complex.")); | |
3833 | ||
3834 | /* | |
3835 | Patch the instruction with the resolved operand. Elf relocation | |
3836 | info will also be generated to take care of linker/loader fixups. | |
3837 | */ | |
3838 | char *where = fixP->fx_frag->fr_literal + fixP->fx_where; | |
3839 | ||
3840 | switch (fixP->fx_r_type) | |
3841 | { | |
3842 | case BFD_RELOC_8: | |
3843 | ((bfd_byte *) where)[0] = (bfd_byte) value; | |
3844 | break; | |
405b6196 JD |
3845 | case BFD_RELOC_16: |
3846 | bfd_putb16 ((bfd_vma) value, (unsigned char *) where); | |
3847 | break; | |
7b4ae824 | 3848 | case BFD_RELOC_24: |
d5dcaf1b | 3849 | case BFD_RELOC_S12Z_OPR: |
7b4ae824 JD |
3850 | bfd_putb24 ((bfd_vma) value, (unsigned char *) where); |
3851 | break; | |
3852 | case BFD_RELOC_32: | |
3853 | bfd_putb32 ((bfd_vma) value, (unsigned char *) where); | |
3854 | break; | |
3855 | case BFD_RELOC_16_PCREL: | |
3856 | if (value < -0x8000 || value > 0x7FFF) | |
3857 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3858 | _("Value out of 16-bit range.")); | |
3859 | ||
3860 | bfd_putb16 ((bfd_vma) value | 0x8000, (unsigned char *) where); | |
3861 | break; | |
3862 | ||
3863 | default: | |
3864 | as_fatal (_("Line %d: unknown relocation type: 0x%x."), | |
3865 | fixP->fx_line, fixP->fx_r_type); | |
3866 | } | |
3867 | } | |
3868 | ||
3869 | /* Set the ELF specific flags. */ | |
3870 | void | |
3871 | s12z_elf_final_processing (void) | |
3872 | { | |
3873 | } |