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 | ||
c6f14c0d JD |
230 | /* Immediate operand. |
231 | If EXP_O is non-null, then a symbolic expression is permitted, | |
232 | in which case, EXP_O will be populated with the parsed expression. | |
233 | */ | |
7b4ae824 | 234 | static int |
c6f14c0d | 235 | lex_imm (long *v, expressionS *exp_o) |
7b4ae824 JD |
236 | { |
237 | char *ilp = input_line_pointer; | |
238 | ||
239 | if (*input_line_pointer != '#') | |
240 | goto fail; | |
241 | ||
242 | input_line_pointer++; | |
243 | expressionS exp; | |
244 | if (!lex_expression (&exp)) | |
245 | goto fail; | |
246 | ||
247 | if (exp.X_op != O_constant) | |
c6f14c0d JD |
248 | { |
249 | if (!exp_o) | |
250 | as_bad (_("A non-constant expression is not permitted here")); | |
251 | else | |
252 | *exp_o = exp; | |
253 | } | |
7b4ae824 JD |
254 | |
255 | *v = exp.X_add_number; | |
256 | return 1; | |
257 | ||
258 | fail: | |
259 | fail_line_pointer = input_line_pointer; | |
260 | input_line_pointer = ilp; | |
261 | return 0; | |
262 | } | |
263 | ||
264 | /* Short mmediate operand */ | |
265 | static int | |
266 | lex_imm_e4 (long *val) | |
267 | { | |
268 | char *ilp = input_line_pointer; | |
c6f14c0d | 269 | if ((lex_imm (val, NULL))) |
7b4ae824 JD |
270 | { |
271 | if ((*val == -1) || (*val > 0 && *val <= 15)) | |
272 | { | |
273 | return 1; | |
274 | } | |
275 | } | |
276 | fail_line_pointer = input_line_pointer; | |
277 | input_line_pointer = ilp; | |
278 | return 0; | |
279 | } | |
280 | ||
281 | static int | |
282 | lex_match_string (const char *s) | |
283 | { | |
284 | char *p = input_line_pointer; | |
285 | while (p != 0 && *p != '\t' && *p != ' ' && *p != '\0') | |
286 | { | |
287 | p++; | |
288 | } | |
289 | ||
290 | size_t len = p - input_line_pointer; | |
291 | if (len != strlen (s)) | |
292 | return 0; | |
293 | ||
294 | if (0 == strncasecmp (s, input_line_pointer, len)) | |
295 | { | |
296 | input_line_pointer = p; | |
297 | return 1; | |
298 | } | |
299 | ||
300 | return 0; | |
301 | } | |
302 | ||
303 | /* Parse a register name. | |
304 | WHICH is a ORwise combination of the registers which are accepted. | |
305 | ~0 accepts all. | |
306 | On success, REG will be filled with the index of the register which | |
307 | was successfully scanned. | |
308 | */ | |
309 | static int | |
310 | lex_reg_name (uint16_t which, int *reg) | |
311 | { | |
312 | char *p = input_line_pointer; | |
313 | while (p != 0 && | |
314 | ((*p >= 'a' && *p <='z') || (*p >= '0' && *p <= '9') || (*p >= 'A' && *p <='Z'))) | |
315 | { | |
316 | p++; | |
317 | } | |
318 | ||
e7b47f2e | 319 | size_t len = p - input_line_pointer; |
7b4ae824 JD |
320 | |
321 | if (len <= 0) | |
322 | return 0; | |
323 | ||
324 | int i; | |
325 | for (i = 0; i < S12Z_N_REGISTERS; ++i) | |
326 | { | |
327 | gas_assert (registers[i].name); | |
328 | ||
e7b47f2e JD |
329 | if (len == strlen (registers[i].name) |
330 | && 0 == strncasecmp (registers[i].name, input_line_pointer, len)) | |
7b4ae824 JD |
331 | { |
332 | if ((0x1U << i) & which) | |
333 | { | |
334 | input_line_pointer = p; | |
335 | *reg = i; | |
336 | return 1; | |
337 | } | |
338 | } | |
339 | } | |
340 | ||
341 | return 0; | |
342 | } | |
343 | ||
344 | static int | |
345 | lex_force_match (char x) | |
346 | { | |
347 | char *p = input_line_pointer; | |
348 | if (*p != x) | |
349 | { | |
350 | as_bad (_("Expecting '%c'"), x); | |
351 | return 0; | |
352 | } | |
353 | ||
354 | input_line_pointer++; | |
355 | return 1; | |
356 | } | |
357 | ||
358 | static int | |
8b3a46f9 JD |
359 | lex_opr (uint8_t *buffer, int *n_bytes, expressionS *exp, |
360 | bool immediate_ok) | |
7b4ae824 JD |
361 | { |
362 | char *ilp = input_line_pointer; | |
363 | uint8_t *xb = buffer; | |
364 | int reg; | |
365 | long imm; | |
366 | exp->X_op = O_absent; | |
367 | *n_bytes = 0; | |
368 | *xb = 0; | |
369 | if (lex_imm_e4 (&imm)) | |
370 | { | |
8b3a46f9 JD |
371 | if (!immediate_ok) |
372 | { | |
373 | as_bad (_("An immediate value in a source operand is inappropriate")); | |
374 | return 0; | |
375 | } | |
7b4ae824 JD |
376 | if (imm > 0) |
377 | *xb = imm; | |
378 | else | |
379 | *xb = 0; | |
380 | *xb |= 0x70; | |
381 | *n_bytes = 1; | |
382 | return 1; | |
383 | } | |
384 | else if (lex_reg_name (REG_BIT_Dn, ®)) | |
385 | { | |
386 | *xb = reg; | |
387 | *xb |= 0xb8; | |
388 | *n_bytes = 1; | |
389 | return 1; | |
390 | } | |
391 | else if (lex_match ('[')) | |
392 | { | |
393 | if (lex_expression (exp)) | |
394 | { | |
395 | long c = exp->X_add_number; | |
396 | if (lex_match (',')) | |
397 | { | |
398 | if (lex_reg_name (REG_BIT_XYSP, ®)) | |
399 | { | |
400 | int i; | |
401 | if (c <= 255 && c >= -256) | |
402 | { | |
403 | *n_bytes = 2; | |
404 | *xb |= 0xc4; | |
405 | } | |
406 | else | |
407 | { | |
408 | *n_bytes = 4; | |
409 | *xb |= 0xc6; | |
410 | } | |
411 | *xb |= (reg - REG_X) << 4; | |
412 | ||
413 | if (c < 0) | |
414 | *xb |= 0x01; | |
415 | for (i = 1; i < *n_bytes ; ++i) | |
416 | { | |
417 | buffer[i] = c >> (8 * (*n_bytes - i - 1)); | |
418 | } | |
419 | } | |
420 | else | |
421 | { | |
422 | as_bad (_("Bad operand for constant offset")); | |
423 | goto fail; | |
424 | } | |
425 | } | |
426 | else | |
427 | { | |
428 | *xb = 0xfe; | |
429 | *n_bytes = 4; | |
430 | buffer[1] = c >> 16; | |
431 | buffer[2] = c >> 8; | |
432 | buffer[3] = c; | |
433 | } | |
434 | } | |
435 | else if (lex_reg_name (REG_BIT_Dn, ®)) | |
436 | { | |
437 | if (!lex_force_match (',')) | |
438 | goto fail; | |
439 | ||
440 | int reg2; | |
441 | if (lex_reg_name (REG_BIT_XY, ®2)) | |
442 | { | |
443 | *n_bytes = 1; | |
444 | *xb = reg; | |
445 | *xb |= (reg2 - REG_X) << 4; | |
446 | *xb |= 0xc8; | |
447 | } | |
448 | else | |
449 | { | |
450 | as_bad (_("Invalid operand for register offset")); | |
451 | goto fail; | |
452 | } | |
453 | } | |
454 | else | |
455 | { | |
456 | goto fail; | |
457 | } | |
458 | if (!lex_force_match (']')) | |
459 | goto fail; | |
460 | return 1; | |
461 | } | |
462 | else if (lex_match ('(')) | |
463 | { | |
464 | long c; | |
465 | if (lex_constant (&c)) | |
466 | { | |
467 | if (!lex_force_match (',')) | |
468 | goto fail; | |
469 | int reg2; | |
470 | if (lex_reg_name (REG_BIT_XYSP, ®2)) | |
471 | { | |
472 | if (reg2 != REG_P && c >= 0 && c <= 15) | |
473 | { | |
474 | *n_bytes = 1; | |
475 | *xb = 0x40; | |
476 | *xb |= (reg2 - REG_X) << 4; | |
477 | *xb |= c; | |
478 | } | |
479 | else if (c >= -256 && c <= 255) | |
480 | { | |
481 | *n_bytes = 2; | |
482 | *xb = 0xc0; | |
483 | *xb |= (reg2 - REG_X) << 4; | |
484 | if (c < 0) | |
485 | *xb |= 0x01; | |
486 | buffer[1] = c; | |
487 | } | |
488 | else | |
489 | { | |
490 | *n_bytes = 4; | |
491 | *xb = 0xc2; | |
492 | *xb |= (reg2 - REG_X) << 4; | |
493 | buffer[1] = c >> 16; | |
494 | buffer[2] = c >> 8; | |
495 | buffer[3] = c; | |
496 | } | |
497 | } | |
498 | else if (lex_reg_name (REG_BIT_Dn, ®2)) | |
499 | { | |
500 | if (c >= -1 * (long) (0x1u << 17) | |
501 | && | |
502 | c < (long) (0x1u << 17) - 1) | |
503 | { | |
504 | *n_bytes = 3; | |
505 | *xb = 0x80; | |
506 | *xb |= reg2; | |
507 | *xb |= ((c >> 16) & 0x03) << 4; | |
508 | buffer[1] = c >> 8; | |
509 | buffer[2] = c; | |
510 | } | |
511 | else | |
512 | { | |
513 | *n_bytes = 4; | |
514 | *xb = 0xe8; | |
515 | *xb |= reg2; | |
516 | buffer[1] = c >> 16; | |
517 | buffer[2] = c >> 8; | |
518 | buffer[3] = c; | |
519 | } | |
520 | } | |
521 | else | |
522 | { | |
523 | as_bad (_("Bad operand for constant offset")); | |
524 | goto fail; | |
525 | } | |
526 | } | |
527 | else if (lex_reg_name (REG_BIT_Dn, ®)) | |
528 | { | |
529 | if (lex_match (',')) | |
530 | { | |
531 | int reg2; | |
532 | if (lex_reg_name (REG_BIT_XYS, ®2)) | |
533 | { | |
534 | *n_bytes = 1; | |
535 | *xb = 0x88; | |
536 | *xb |= (reg2 - REG_X) << 4; | |
537 | *xb |= reg; | |
538 | } | |
539 | else | |
540 | { | |
541 | as_bad (_("Invalid operand for register offset")); | |
542 | goto fail; | |
543 | } | |
544 | } | |
545 | else | |
546 | { | |
547 | goto fail; | |
548 | } | |
549 | } | |
550 | else if (lex_reg_name (REG_BIT_XYS, ®)) | |
551 | { | |
552 | if (lex_match ('-')) | |
553 | { | |
554 | if (reg == REG_S) | |
555 | { | |
556 | as_bad (_("Invalid register for postdecrement operation")); | |
557 | goto fail; | |
558 | } | |
559 | *n_bytes = 1; | |
560 | if (reg == REG_X) | |
561 | *xb = 0xc7; | |
562 | else if (reg == REG_Y) | |
563 | *xb = 0xd7; | |
564 | } | |
565 | else if (lex_match ('+')) | |
566 | { | |
567 | *n_bytes = 1; | |
568 | if (reg == REG_X) | |
569 | *xb = 0xe7; | |
570 | else if (reg == REG_Y) | |
571 | *xb = 0xf7; | |
572 | else if (reg == REG_S) | |
573 | *xb = 0xff; | |
574 | } | |
575 | else | |
576 | { | |
577 | goto fail; | |
578 | } | |
579 | } | |
580 | else if (lex_match ('+')) | |
581 | { | |
582 | if (lex_reg_name (REG_BIT_XY, ®)) | |
583 | { | |
584 | *n_bytes = 1; | |
585 | if (reg == REG_X) | |
586 | *xb = 0xe3; | |
587 | else if (reg == REG_Y) | |
588 | *xb = 0xf3; | |
589 | } | |
590 | else | |
591 | { | |
592 | as_bad (_("Invalid register for preincrement operation")); | |
593 | goto fail; | |
594 | } | |
595 | } | |
596 | else if (lex_match ('-')) | |
597 | { | |
598 | if (lex_reg_name (REG_BIT_XYS, ®)) | |
599 | { | |
600 | *n_bytes = 1; | |
601 | if (reg == REG_X) | |
602 | *xb = 0xc3; | |
603 | else if (reg == REG_Y) | |
604 | *xb = 0xd3; | |
605 | else if (reg == REG_S) | |
606 | *xb = 0xfb; | |
607 | } | |
608 | else | |
609 | { | |
610 | as_bad (_("Invalid register for predecrement operation")); | |
611 | goto fail; | |
612 | } | |
613 | } | |
614 | else | |
615 | { | |
616 | goto fail; | |
617 | } | |
618 | ||
619 | if (! lex_match (')')) | |
620 | goto fail; | |
621 | return 1; | |
622 | } | |
623 | else if (lex_expression (exp)) | |
624 | { | |
625 | *xb = 0xfa; | |
626 | *n_bytes = 4; | |
627 | buffer[1] = 0; | |
628 | buffer[2] = 0; | |
629 | buffer[3] = 0; | |
630 | if (exp->X_op == O_constant) | |
631 | { | |
fa9d2bd6 MR |
632 | valueT value = exp->X_add_number; |
633 | ||
634 | if (value < (0x1U << 14)) | |
7b4ae824 JD |
635 | { |
636 | *xb = 0x00; | |
637 | *n_bytes = 2; | |
fa9d2bd6 MR |
638 | *xb |= value >> 8; |
639 | buffer[1] = value; | |
7b4ae824 | 640 | } |
fa9d2bd6 | 641 | else if (value < (0x1U << 19)) |
7b4ae824 JD |
642 | { |
643 | *xb = 0xf8; | |
fa9d2bd6 | 644 | if (value & (0x1U << 17)) |
7b4ae824 | 645 | *xb |= 0x04; |
fa9d2bd6 | 646 | if (value & (0x1U << 16)) |
7b4ae824 JD |
647 | *xb |= 0x01; |
648 | *n_bytes = 3; | |
fa9d2bd6 MR |
649 | buffer[1] = value >> 8; |
650 | buffer[2] = value; | |
7b4ae824 JD |
651 | } |
652 | else | |
653 | { | |
654 | *xb = 0xfa; | |
655 | *n_bytes = 4; | |
fa9d2bd6 MR |
656 | buffer[1] = value >> 16; |
657 | buffer[2] = value >> 8; | |
658 | buffer[3] = value; | |
7b4ae824 JD |
659 | } |
660 | } | |
661 | return 1; | |
662 | } | |
663 | ||
664 | fail: | |
665 | fail_line_pointer = input_line_pointer; | |
666 | input_line_pointer = ilp; | |
667 | return 0; | |
668 | } | |
669 | ||
670 | static int | |
671 | lex_offset (long *val) | |
672 | { | |
673 | char *end = NULL; | |
674 | char *p = input_line_pointer; | |
675 | ||
676 | if (*p++ != '*') | |
677 | return 0; | |
678 | ||
679 | if (*p != '+' && *p != '-') | |
680 | return 0; | |
681 | ||
682 | bool negative = (*p == '-'); | |
683 | p++; | |
684 | ||
685 | errno = 0; | |
686 | *val = strtol (p, &end, 0); | |
687 | if (errno == 0) | |
688 | { | |
689 | if (negative) | |
690 | *val *= -1; | |
691 | input_line_pointer = end; | |
692 | return 1; | |
693 | } | |
694 | ||
695 | return 0; | |
696 | } | |
697 | ||
698 | \f | |
699 | ||
700 | struct instruction; | |
701 | ||
702 | typedef int (*parse_operand_func) (const struct instruction *); | |
703 | ||
704 | struct instruction | |
705 | { | |
706 | const char *name; | |
707 | ||
708 | /* The "page" to which the instruction belongs. | |
709 | This is also only a hint. Some instructions might have modes in both | |
710 | pages... */ | |
711 | char page; | |
712 | ||
713 | /* This is a hint - and only a hint - about the opcode of the instruction. | |
714 | The parse_operand_func is free to ignore it. | |
715 | */ | |
716 | uint8_t opc; | |
717 | ||
718 | parse_operand_func parse_operands; | |
719 | ||
720 | /* Some instructions can be encoded with a different opcode */ | |
721 | uint8_t alt_opc; | |
722 | }; | |
723 | ||
724 | static int | |
725 | no_operands (const struct instruction *insn) | |
726 | { | |
727 | if (*input_line_pointer != '\0') | |
728 | { | |
729 | as_bad (_("Garbage at end of instruction")); | |
730 | return 0; | |
731 | } | |
732 | ||
733 | char *f = s12z_new_insn (insn->page); | |
734 | if (insn->page == 2) | |
735 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
736 | ||
737 | number_to_chars_bigendian (f++, insn->opc, 1); | |
738 | ||
739 | return 1; | |
740 | } | |
741 | ||
c6f14c0d JD |
742 | |
743 | static void | |
744 | emit_reloc (expressionS *exp, char *f, int size, enum bfd_reloc_code_real reloc) | |
7b4ae824 | 745 | { |
7b4ae824 JD |
746 | if (exp->X_op != O_absent && exp->X_op != O_constant) |
747 | { | |
d5dcaf1b JD |
748 | fixS *fix = fix_new_exp (frag_now, |
749 | f - frag_now->fr_literal, | |
c6f14c0d | 750 | size, |
d5dcaf1b JD |
751 | exp, |
752 | FALSE, | |
c6f14c0d | 753 | reloc); |
d5dcaf1b | 754 | /* Some third party tools seem to use the lower bits |
c6f14c0d JD |
755 | of this addend for flags. They don't get added |
756 | to the final location. The purpose of these flags | |
757 | is not known. We simply set it to zero. */ | |
d5dcaf1b | 758 | fix->fx_addnumber = 0x00; |
7b4ae824 | 759 | } |
c6f14c0d JD |
760 | } |
761 | ||
762 | /* Emit the code for an OPR address mode operand */ | |
763 | static char * | |
764 | emit_opr (char *f, const uint8_t *buffer, int n_bytes, expressionS *exp) | |
765 | { | |
766 | int i; | |
767 | number_to_chars_bigendian (f++, buffer[0], 1); | |
768 | ||
769 | emit_reloc (exp, f, 3, BFD_RELOC_S12Z_OPR); | |
770 | ||
7b4ae824 JD |
771 | for (i = 1; i < n_bytes; ++i) |
772 | number_to_chars_bigendian (f++, buffer[i], 1); | |
773 | ||
774 | return f; | |
775 | } | |
776 | ||
777 | /* Emit the code for a 24 bit direct address operand */ | |
778 | static char * | |
779 | emit_ext24 (char *f, long v) | |
780 | { | |
781 | number_to_chars_bigendian (f, v, 3); | |
782 | ||
783 | return f + 3; | |
784 | } | |
785 | ||
786 | static int | |
787 | opr (const struct instruction *insn) | |
788 | { | |
789 | uint8_t buffer[4]; | |
790 | int n_bytes; | |
791 | expressionS exp; | |
8b3a46f9 | 792 | if (lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
793 | { |
794 | /* Large constant direct values are more efficiently encoded as ext24 mode. | |
795 | Otherwise a decision has to be deferred to a relax. */ | |
796 | if (exp.X_op == O_constant | |
797 | && buffer[0] == 0xFA | |
798 | && insn->alt_opc != 0) | |
799 | { | |
800 | char *f = s12z_new_insn (4); | |
801 | ||
802 | /* I don't think there are any instances of page 2 opcodes in this case */ | |
803 | gas_assert (insn->page == 1); | |
804 | ||
805 | number_to_chars_bigendian (f++, insn->alt_opc, 1); | |
806 | ||
807 | emit_ext24 (f, exp.X_add_number); | |
808 | } | |
809 | else | |
810 | { | |
811 | char *f = s12z_new_insn (n_bytes + 1); | |
812 | number_to_chars_bigendian (f++, insn->opc, 1); | |
813 | ||
814 | emit_opr (f, buffer, n_bytes, &exp); | |
815 | } | |
816 | return 1; | |
817 | } | |
818 | ||
819 | return 0; | |
820 | } | |
821 | ||
822 | /* Parse a 15 bit offset, as an expression. | |
823 | LONG_DISPLACEMENT will be set to true if the offset is wider than 7 bits. | |
824 | */ | |
825 | static int | |
826 | lex_15_bit_offset (bool *long_displacement, expressionS *exp) | |
827 | { | |
828 | char *ilp = input_line_pointer; | |
829 | ||
830 | long val; | |
831 | if (lex_offset (&val)) | |
832 | { | |
833 | exp->X_op = O_absent; | |
834 | exp->X_add_number = val; | |
835 | } | |
836 | else if (lex_expression (exp)) | |
837 | { | |
838 | if (exp->X_op == O_constant) | |
839 | { | |
840 | val = exp->X_add_number; | |
841 | } | |
842 | else | |
843 | { | |
844 | /* If a symbol was parsed we don't know the displacement. | |
845 | We have to assume it is long, and relax it later if possible. */ | |
846 | *long_displacement = true; | |
847 | return 1; | |
848 | } | |
849 | } | |
850 | else | |
851 | { | |
852 | exp->X_op = O_absent; | |
853 | goto fail; | |
854 | } | |
855 | ||
856 | if (val > 0x3FFF || val < -0x4000) | |
857 | { | |
858 | as_fatal (_("Offset is outside of 15 bit range")); | |
859 | return 0; | |
860 | } | |
861 | ||
862 | *long_displacement = (val > 63 || val < -64); | |
863 | ||
864 | return 1; | |
865 | ||
866 | fail: | |
867 | fail_line_pointer = input_line_pointer; | |
868 | input_line_pointer = ilp; | |
869 | return 0; | |
870 | } | |
871 | ||
872 | static void | |
873 | emit_15_bit_offset (char *f, int where, expressionS *exp) | |
874 | { | |
875 | gas_assert (exp); | |
876 | if (exp->X_op != O_absent && exp->X_op != O_constant) | |
877 | { | |
878 | exp->X_add_number += where; | |
879 | fixS *fix = fix_new_exp (frag_now, | |
880 | f - frag_now->fr_literal, | |
881 | 2, | |
882 | exp, | |
883 | TRUE, | |
884 | BFD_RELOC_16_PCREL); | |
885 | fix->fx_addnumber = where - 2; | |
886 | } | |
887 | else | |
888 | { | |
889 | long val = exp->X_add_number; | |
890 | bool long_displacement = (val > 63 || val < -64); | |
891 | if (long_displacement) | |
892 | val |= 0x8000; | |
893 | else | |
894 | val &= 0x7F; | |
895 | ||
896 | number_to_chars_bigendian (f++, val, long_displacement ? 2 : 1); | |
897 | } | |
898 | } | |
899 | ||
900 | static int | |
901 | rel (const struct instruction *insn) | |
902 | { | |
903 | bool long_displacement; | |
904 | ||
905 | expressionS exp; | |
906 | if (! lex_15_bit_offset (&long_displacement, &exp)) | |
907 | return 0; | |
908 | ||
909 | char *f = s12z_new_insn (long_displacement ? 3 : 2); | |
910 | number_to_chars_bigendian (f++, insn->opc, 1); | |
911 | emit_15_bit_offset (f, 3, &exp); | |
912 | return 1; | |
913 | } | |
914 | ||
915 | static int | |
916 | reg_inh (const struct instruction *insn) | |
917 | { | |
918 | int reg; | |
919 | if (lex_reg_name (REG_BIT_Dn, ®)) | |
920 | { | |
921 | char *f = s12z_new_insn (insn->page); | |
922 | if (insn->page == 2) | |
923 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
924 | ||
925 | number_to_chars_bigendian (f++, insn->opc + reg, 1); | |
926 | return 1; | |
927 | } | |
928 | ||
929 | return 0; | |
930 | } | |
931 | ||
932 | ||
933 | /* Special case for CLR X and CLR Y */ | |
934 | static int | |
935 | clr_xy (const struct instruction *insn ATTRIBUTE_UNUSED) | |
936 | { | |
937 | int reg; | |
938 | if (lex_reg_name (REG_BIT_XY, ®)) | |
939 | { | |
940 | char *f = s12z_new_insn (1); | |
941 | number_to_chars_bigendian (f, 0x9a + reg - REG_X, 1); | |
942 | return 1; | |
943 | } | |
944 | ||
945 | return 0; | |
946 | } | |
947 | ||
948 | /* Some instructions have a suffix like ".l", ".b", ".w" etc | |
949 | which indicates the size of the operands. */ | |
950 | static int | |
951 | size_from_suffix (const struct instruction *insn, int idx) | |
952 | { | |
953 | const char *dot = strchr (insn->name, '.'); | |
954 | ||
955 | if (dot == NULL) | |
956 | return -3; | |
957 | ||
958 | int size = -2; | |
959 | switch (dot[1 + idx]) | |
960 | { | |
961 | case 'b': | |
962 | size = 1; | |
963 | break; | |
964 | case 'w': | |
965 | size = 2; | |
966 | break; | |
967 | case 'p': | |
968 | size = 3; | |
969 | break; | |
970 | case 'l': | |
971 | size = 4; | |
972 | break; | |
973 | default: | |
974 | as_fatal (_("Bad size")); | |
975 | }; | |
976 | ||
977 | return size; | |
978 | } | |
979 | ||
980 | static int | |
981 | mul_reg_reg_reg (const struct instruction *insn) | |
982 | { | |
983 | char *ilp = input_line_pointer; | |
984 | ||
985 | int Dd; | |
986 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
987 | goto fail; | |
988 | ||
989 | if (!lex_match (',')) | |
990 | goto fail; | |
991 | ||
992 | int Dj; | |
993 | if (!lex_reg_name (REG_BIT_Dn, &Dj)) | |
994 | goto fail; | |
995 | ||
996 | if (!lex_match (',')) | |
997 | goto fail; | |
998 | ||
999 | int Dk; | |
1000 | if (!lex_reg_name (REG_BIT_Dn, &Dk)) | |
1001 | goto fail; | |
1002 | ||
1003 | char *f = s12z_new_insn (insn->page + 1); | |
1004 | if (insn->page == 2) | |
1005 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1006 | ||
1007 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); | |
1008 | const char *dot = strchrnul (insn->name, '.'); | |
1009 | uint8_t mb ; | |
1010 | switch (dot[-1]) | |
1011 | { | |
1012 | case 's': | |
1013 | mb = 0x80; | |
1014 | break; | |
1015 | case 'u': | |
1016 | mb = 0x00; | |
1017 | break; | |
1018 | default: | |
1019 | as_fatal (_("BAD MUL")); | |
1020 | break; | |
1021 | } | |
1022 | ||
1023 | mb |= Dj << 3; | |
1024 | mb |= Dk; | |
1025 | ||
1026 | number_to_chars_bigendian (f++, mb, 1); | |
1027 | ||
1028 | return 1; | |
1029 | ||
1030 | fail: | |
1031 | fail_line_pointer = input_line_pointer; | |
1032 | input_line_pointer = ilp; | |
1033 | return 0; | |
1034 | } | |
1035 | ||
1036 | ||
1037 | static int | |
1038 | mul_reg_reg_imm (const struct instruction *insn) | |
1039 | { | |
1040 | char *ilp = input_line_pointer; | |
1041 | ||
1042 | int Dd; | |
1043 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
1044 | goto fail; | |
1045 | ||
1046 | if (!lex_match (',')) | |
1047 | goto fail; | |
1048 | ||
1049 | int Dj; | |
1050 | if (!lex_reg_name (REG_BIT_Dn, &Dj)) | |
1051 | goto fail; | |
1052 | ||
1053 | if (!lex_match (',')) | |
1054 | goto fail; | |
1055 | ||
1056 | long imm; | |
c6f14c0d | 1057 | if (!lex_imm (&imm, NULL)) |
7b4ae824 JD |
1058 | goto fail; |
1059 | ||
1060 | ||
1061 | int size = size_from_suffix (insn, 0); | |
1062 | ||
1063 | char *f = s12z_new_insn (insn->page + 1 + size); | |
1064 | if (insn->page == 2) | |
1065 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1066 | ||
1067 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); | |
1068 | uint8_t mb = 0x44; | |
1069 | const char *dot = strchrnul (insn->name, '.'); | |
1070 | switch (dot[-1]) | |
1071 | { | |
1072 | case 's': | |
1073 | mb |= 0x80; | |
1074 | break; | |
1075 | case 'u': | |
1076 | mb |= 0x00; | |
1077 | break; | |
1078 | default: | |
1079 | as_fatal (_("BAD MUL")); | |
1080 | break; | |
1081 | } | |
1082 | ||
1083 | mb |= Dj << 3; | |
1084 | mb |= size - 1; | |
1085 | ||
1086 | number_to_chars_bigendian (f++, mb, 1); | |
1087 | number_to_chars_bigendian (f++, imm, size); | |
1088 | ||
1089 | return 1; | |
1090 | ||
1091 | fail: | |
1092 | fail_line_pointer = input_line_pointer; | |
1093 | input_line_pointer = ilp; | |
1094 | return 0; | |
1095 | } | |
1096 | ||
1097 | ||
1098 | static int | |
1099 | mul_reg_reg_opr (const struct instruction *insn) | |
1100 | { | |
1101 | char *ilp = input_line_pointer; | |
1102 | ||
1103 | int Dd; | |
1104 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
1105 | goto fail; | |
1106 | ||
1107 | if (!lex_match (',')) | |
1108 | goto fail; | |
1109 | ||
1110 | int Dj; | |
1111 | if (!lex_reg_name (REG_BIT_Dn, &Dj)) | |
1112 | goto fail; | |
1113 | ||
1114 | if (!lex_match (',')) | |
1115 | goto fail; | |
1116 | ||
1117 | uint8_t buffer[4]; | |
1118 | int n_bytes; | |
1119 | expressionS exp; | |
8b3a46f9 | 1120 | if (!lex_opr (buffer, &n_bytes, &exp, true)) |
7b4ae824 JD |
1121 | goto fail; |
1122 | ||
1123 | int size = size_from_suffix (insn, 0); | |
1124 | ||
1125 | char *f = s12z_new_insn (insn->page + 1 + n_bytes); | |
1126 | if (insn->page == 2) | |
1127 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1128 | ||
1129 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); | |
1130 | uint8_t mb = 0x40; | |
1131 | const char *dot = strchrnul (insn->name, '.'); | |
1132 | switch (dot[-1]) | |
1133 | { | |
1134 | case 's': | |
1135 | mb |= 0x80; | |
1136 | break; | |
1137 | case 'u': | |
1138 | mb |= 0x00; | |
1139 | break; | |
1140 | default: | |
1141 | as_fatal (_("BAD MUL")); | |
1142 | break; | |
1143 | } | |
1144 | ||
1145 | mb |= Dj << 3; | |
1146 | mb |= size - 1; | |
1147 | ||
1148 | number_to_chars_bigendian (f++, mb, 1); | |
1149 | ||
1150 | emit_opr (f, buffer, n_bytes, &exp); | |
1151 | ||
1152 | return 1; | |
1153 | ||
1154 | fail: | |
1155 | fail_line_pointer = input_line_pointer; | |
1156 | input_line_pointer = ilp; | |
1157 | return 0; | |
1158 | } | |
1159 | ||
1160 | static int | |
1161 | mul_reg_opr_opr (const struct instruction *insn) | |
1162 | { | |
1163 | char *ilp = input_line_pointer; | |
1164 | ||
1165 | int Dd; | |
1166 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
1167 | goto fail; | |
1168 | ||
1169 | if (!lex_match (',')) | |
1170 | goto fail; | |
1171 | ||
1172 | uint8_t buffer1[4]; | |
1173 | int n_bytes1; | |
1174 | expressionS exp1; | |
8b3a46f9 | 1175 | if (!lex_opr (buffer1, &n_bytes1, &exp1, false)) |
7b4ae824 JD |
1176 | goto fail; |
1177 | ||
1178 | if (!lex_match (',')) | |
1179 | goto fail; | |
1180 | ||
1181 | uint8_t buffer2[4]; | |
1182 | int n_bytes2; | |
1183 | expressionS exp2; | |
8b3a46f9 | 1184 | if (!lex_opr (buffer2, &n_bytes2, &exp2, false)) |
7b4ae824 JD |
1185 | goto fail; |
1186 | ||
1187 | int size1 = size_from_suffix (insn, 0); | |
1188 | int size2 = size_from_suffix (insn, 1); | |
1189 | ||
1190 | char *f = s12z_new_insn (insn->page + 1 + n_bytes1 + n_bytes2); | |
1191 | if (insn->page == 2) | |
1192 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1193 | ||
1194 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); | |
1195 | uint8_t mb = 0x42; | |
1196 | const char *dot = strchrnul (insn->name, '.'); | |
1197 | switch (dot[-1]) | |
1198 | { | |
1199 | case 's': | |
1200 | mb |= 0x80; | |
1201 | break; | |
1202 | case 'u': | |
1203 | mb |= 0x00; | |
1204 | break; | |
1205 | default: | |
1206 | as_fatal (_("BAD MUL")); | |
1207 | break; | |
1208 | } | |
1209 | ||
1210 | mb |= (size1 - 1) << 4; | |
1211 | mb |= (size2 - 1) << 2; | |
1212 | number_to_chars_bigendian (f++, mb, 1); | |
1213 | ||
1214 | f = emit_opr (f, buffer1, n_bytes1, &exp1); | |
1215 | f = emit_opr (f, buffer2, n_bytes2, &exp2); | |
1216 | ||
1217 | return 1; | |
1218 | ||
1219 | fail: | |
1220 | fail_line_pointer = input_line_pointer; | |
1221 | input_line_pointer = ilp; | |
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | ||
1226 | #define REG_BIT_GRP0 \ | |
1227 | ((0x1U << REG_D2) | \ | |
1228 | (0x1U << REG_D3) | \ | |
1229 | (0x1U << REG_CCH) | \ | |
1230 | (0x1U << REG_CCL) | \ | |
1231 | (0x1U << REG_D0) | \ | |
1232 | (0x1U << REG_D1)) | |
1233 | ||
1234 | #define REG_BIT_GRP1 \ | |
1235 | ((0x1U << REG_D4) | \ | |
1236 | (0x1U << REG_D5) | \ | |
1237 | (0x1U << REG_D6) | \ | |
1238 | (0x1U << REG_D7) | \ | |
1239 | (0x1U << REG_X) | \ | |
1240 | (0x1U << REG_Y)) | |
1241 | ||
1242 | static const uint8_t reg_map [] = | |
1243 | { | |
1244 | 0x02, // D2 | |
1245 | 0x01, // D3 | |
1246 | 0x20, | |
1247 | 0x10, // D5 | |
1248 | 0x08, // D0 | |
1249 | 0x04, // D1 | |
1250 | 0x08, // D6 | |
1251 | 0x04, // D7 | |
1252 | 0x02, | |
1253 | 0x01, // Y | |
1254 | 0x00, | |
1255 | 0x00, | |
1256 | 0x20, // CCH | |
1257 | 0x10, // CCL | |
1258 | 0x00 | |
1259 | }; | |
1260 | ||
1261 | static int | |
1262 | lex_reg_list (uint16_t grp, uint16_t *reg_bits) | |
1263 | { | |
1264 | if (lex_match (',')) | |
1265 | { | |
1266 | int reg; | |
1267 | if (!lex_reg_name (grp, ®)) | |
1268 | return 0; | |
1269 | *reg_bits |= 0x1u << reg; | |
1270 | lex_reg_list (grp, reg_bits); | |
1271 | } | |
1272 | ||
1273 | /* Empty list */ | |
1274 | return 1; | |
1275 | } | |
1276 | ||
1277 | static int | |
1278 | psh_pull (const struct instruction *insn) | |
1279 | { | |
1280 | uint8_t pb = | |
1281 | (0 == strcmp ("pul", insn->name)) ? 0x80: 0x00; | |
1282 | ||
1283 | if (lex_match_string ("all16b")) | |
1284 | { | |
1285 | pb |= 0x40; | |
1286 | } | |
1287 | else if (lex_match_string ("all")) | |
1288 | { | |
1289 | /* Nothing to do */ | |
1290 | } | |
1291 | else | |
1292 | { | |
1293 | int reg1; | |
1294 | if (!lex_reg_name (REG_BIT_GRP1 | REG_BIT_GRP0, ®1)) | |
1295 | goto fail; | |
1296 | uint16_t admitted_group = 0; | |
1297 | ||
1298 | if ((0x1U << reg1) & REG_BIT_GRP1) | |
1299 | admitted_group = REG_BIT_GRP1; | |
1300 | else if ((0x1U << reg1) & REG_BIT_GRP0) | |
1301 | admitted_group = REG_BIT_GRP0; | |
1302 | ||
1303 | uint16_t reg_bits = 0x1 << reg1; | |
1304 | if (!lex_reg_list (admitted_group, ®_bits)) | |
1305 | goto fail; | |
1306 | ||
1307 | if (reg_bits & REG_BIT_GRP1) | |
1308 | pb |= 0x40; | |
1309 | ||
1310 | int i; | |
1311 | for (i = 0; i < 16; ++i) | |
1312 | { | |
1313 | if (reg_bits & (0x1u << i)) | |
1314 | pb |= reg_map[i]; | |
1315 | } | |
1316 | } | |
1317 | ||
1318 | char *f = s12z_new_insn (2); | |
1319 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1320 | number_to_chars_bigendian (f++, pb, 1); | |
1321 | return 1; | |
1322 | ||
1323 | fail: | |
1324 | fail_line_pointer = input_line_pointer; | |
1325 | return 0; | |
1326 | } | |
1327 | ||
1328 | ||
1329 | static int | |
1330 | tfr (const struct instruction *insn) | |
1331 | { | |
1332 | int reg1; | |
1333 | if (!lex_reg_name (~0, ®1)) | |
1334 | goto fail; | |
1335 | ||
1336 | if (!lex_match (',')) | |
1337 | goto fail; | |
1338 | ||
1339 | int reg2; | |
1340 | if (!lex_reg_name (~0, ®2)) | |
1341 | goto fail; | |
1342 | ||
77fdb0e0 JD |
1343 | if ( ((0 == strcasecmp ("sex", insn->name)) |
1344 | || (0 == strcasecmp ("zex", insn->name))) | |
1345 | && (registers[reg2].bytes <= registers[reg1].bytes)) | |
1346 | as_warn (_("Source register for %s is no larger than the destination register"), | |
1347 | insn->name); | |
1d4d8669 JD |
1348 | else if (reg1 == reg2) |
1349 | as_warn (_("The destination and source registers are identical")); | |
7b4ae824 JD |
1350 | |
1351 | char *f = s12z_new_insn (1 + insn->page); | |
1352 | if (insn->page == 2) | |
1353 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1354 | ||
1355 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1356 | number_to_chars_bigendian (f++, reg1 << 4 | reg2, 1); | |
1357 | ||
1358 | return 1; | |
1359 | ||
1360 | fail: | |
1361 | fail_line_pointer = input_line_pointer; | |
1362 | return 0; | |
1363 | } | |
1364 | ||
1365 | static int | |
1366 | imm8 (const struct instruction *insn) | |
1367 | { | |
1368 | long imm; | |
c6f14c0d | 1369 | if (! lex_imm (&imm, NULL)) |
7b4ae824 JD |
1370 | return 0; |
1371 | if (imm > 127 || imm < -128) | |
1372 | { | |
1373 | as_bad (_("Immediate value %ld is out of range for instruction %s"), | |
1374 | imm, insn->name); | |
1375 | } | |
1376 | ||
1377 | char *f = s12z_new_insn (2); | |
1378 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1379 | number_to_chars_bigendian (f++, imm, 1); | |
1380 | ||
1381 | return 1; | |
1382 | } | |
1383 | ||
1384 | static int | |
1385 | reg_imm (const struct instruction *insn, int allowed_reg) | |
1386 | { | |
1387 | char *ilp = input_line_pointer; | |
1388 | int reg; | |
1389 | if (lex_reg_name (allowed_reg, ®)) | |
1390 | { | |
1391 | if (!lex_force_match (',')) | |
1392 | goto fail; | |
1393 | long imm; | |
c6f14c0d | 1394 | if (! lex_imm (&imm, NULL)) |
7b4ae824 JD |
1395 | goto fail; |
1396 | ||
1397 | short size = registers[reg].bytes; | |
1398 | char *f = s12z_new_insn (insn->page + size); | |
1399 | if (insn->page == 2) | |
1400 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1401 | ||
1402 | number_to_chars_bigendian (f++, insn->opc + reg, 1); | |
1403 | number_to_chars_bigendian (f++, imm, size); | |
1404 | return 1; | |
1405 | } | |
1406 | ||
1407 | fail: | |
1408 | fail_line_pointer = input_line_pointer; | |
1409 | input_line_pointer = ilp; | |
1410 | return 0; | |
1411 | } | |
1412 | ||
1413 | ||
1414 | static int | |
1415 | regd_imm (const struct instruction *insn) | |
1416 | { | |
1417 | return reg_imm (insn, REG_BIT_Dn); | |
1418 | } | |
1419 | ||
1420 | static int | |
1421 | regdxy_imm (const struct instruction *insn) | |
1422 | { | |
1423 | return reg_imm (insn, REG_BIT_Dn | REG_BIT_XY); | |
1424 | } | |
1425 | ||
1426 | ||
1427 | static int | |
1428 | regs_imm (const struct instruction *insn) | |
1429 | { | |
1430 | return reg_imm (insn, 0x1U << REG_S); | |
1431 | } | |
1432 | ||
1433 | static int | |
1434 | trap_imm (const struct instruction *insn ATTRIBUTE_UNUSED) | |
1435 | { | |
1436 | long imm = -1; | |
c6f14c0d | 1437 | if (! lex_imm (&imm, NULL)) |
7b4ae824 JD |
1438 | goto fail; |
1439 | ||
1440 | if (imm < 0x92 || imm > 0xFF || | |
1441 | (imm >= 0xA0 && imm <= 0xA7) || | |
1442 | (imm >= 0xB0 && imm <= 0xB7)) | |
1443 | { | |
1444 | as_bad (_("trap value %ld is not valid"), imm); | |
1445 | return 0; | |
1446 | } | |
1447 | else | |
1448 | { | |
1449 | char *f = s12z_new_insn (2); | |
1450 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1451 | number_to_chars_bigendian (f++, imm & 0xFF, 1); | |
1452 | return 1; | |
1453 | } | |
1454 | ||
1455 | return 1; | |
1456 | ||
1457 | fail: | |
1458 | fail_line_pointer = input_line_pointer; | |
1459 | return 0; | |
1460 | } | |
1461 | ||
1462 | ||
1463 | ||
1464 | /* Special one byte instruction CMP X, Y */ | |
1465 | static int | |
1466 | regx_regy (const struct instruction *insn) | |
1467 | { | |
1468 | int reg; | |
1469 | if (lex_reg_name (0x1U << REG_X, ®)) | |
1470 | { | |
1471 | if (lex_force_match (',')) | |
1472 | { | |
1473 | if (lex_reg_name (0x1U << REG_Y, ®)) | |
1474 | { | |
1475 | char *f = s12z_new_insn (1); | |
1476 | number_to_chars_bigendian (f, insn->opc, 1); | |
1477 | return 1; | |
1478 | } | |
1479 | } | |
1480 | } | |
1481 | return 0; | |
1482 | } | |
1483 | ||
1484 | /* Special one byte instruction SUB D6, X, Y */ | |
1485 | static int | |
1486 | regd6_regx_regy (const struct instruction *insn) | |
1487 | { | |
1488 | char *ilp = input_line_pointer; | |
1489 | int reg; | |
1490 | if (!lex_reg_name (0x1U << REG_D6, ®)) | |
1491 | goto fail; | |
1492 | ||
1493 | if (!lex_match (',')) | |
1494 | goto fail; | |
1495 | ||
1496 | if (!lex_reg_name (0x1U << REG_X, ®)) | |
1497 | goto fail; | |
1498 | ||
1499 | if (!lex_match (',')) | |
1500 | goto fail; | |
1501 | ||
1502 | if (!lex_reg_name (0x1U << REG_Y, ®)) | |
1503 | goto fail; | |
1504 | ||
1505 | char *f = s12z_new_insn (1); | |
1506 | number_to_chars_bigendian (f, insn->opc, 1); | |
1507 | return 1; | |
1508 | ||
1509 | fail: | |
1510 | fail_line_pointer = input_line_pointer; | |
1511 | input_line_pointer = ilp; | |
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | /* Special one byte instruction SUB D6, Y, X */ | |
1516 | static int | |
1517 | regd6_regy_regx (const struct instruction *insn) | |
1518 | { | |
1519 | char *ilp = input_line_pointer; | |
1520 | int reg; | |
1521 | if (!lex_reg_name (0x1U << REG_D6, ®)) | |
1522 | goto fail; | |
1523 | ||
1524 | if (!lex_match (',')) | |
1525 | goto fail; | |
1526 | ||
1527 | if (!lex_reg_name (0x1U << REG_Y, ®)) | |
1528 | goto fail; | |
1529 | ||
1530 | if (!lex_match (',')) | |
1531 | goto fail; | |
1532 | ||
1533 | if (!lex_reg_name (0x1U << REG_X, ®)) | |
1534 | goto fail; | |
1535 | ||
1536 | char *f = s12z_new_insn (1); | |
1537 | number_to_chars_bigendian (f, insn->opc, 1); | |
1538 | return 1; | |
1539 | ||
1540 | fail: | |
1541 | fail_line_pointer = input_line_pointer; | |
1542 | input_line_pointer = ilp; | |
1543 | return 0; | |
1544 | } | |
1545 | ||
1546 | static int | |
8b3a46f9 JD |
1547 | reg_opr (const struct instruction *insn, int allowed_regs, |
1548 | bool immediate_ok) | |
7b4ae824 JD |
1549 | { |
1550 | char *ilp = input_line_pointer; | |
1551 | int reg; | |
1552 | if (lex_reg_name (allowed_regs, ®)) | |
1553 | { | |
1554 | if (!lex_force_match (',')) | |
1555 | goto fail; | |
1556 | ||
1557 | uint8_t buffer[4]; | |
1558 | int n_bytes; | |
1559 | expressionS exp; | |
8b3a46f9 | 1560 | if (lex_opr (buffer, &n_bytes, &exp, immediate_ok)) |
7b4ae824 JD |
1561 | { |
1562 | /* Large constant direct values are more efficiently encoded as ext24 mode. | |
1563 | Otherwise a decision has to be deferred to a relax. */ | |
1564 | if (exp.X_op == O_constant | |
1565 | && buffer[0] == 0xFA | |
1566 | && insn->alt_opc != 0) | |
1567 | { | |
1568 | char *f = s12z_new_insn (4); | |
1569 | ||
1570 | /* I don't think there are any instances of page 2 opcodes in this case */ | |
1571 | gas_assert (insn->page == 1); | |
1572 | ||
1573 | number_to_chars_bigendian (f++, insn->alt_opc + reg, 1); | |
1574 | ||
1575 | emit_ext24 (f, exp.X_add_number); | |
1576 | } | |
1577 | else | |
1578 | { | |
1579 | char *f = s12z_new_insn (n_bytes + insn->page); | |
1580 | ||
1581 | if (insn->page == 2) | |
1582 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
1583 | ||
1584 | number_to_chars_bigendian (f++, insn->opc + reg, 1); | |
1585 | ||
1586 | emit_opr (f, buffer, n_bytes, &exp); | |
1587 | } | |
1588 | ||
1589 | return 1; | |
1590 | } | |
1591 | } | |
1592 | ||
1593 | fail: | |
1594 | fail_line_pointer = input_line_pointer; | |
1595 | input_line_pointer = ilp; | |
1596 | return 0; | |
1597 | } | |
1598 | ||
1599 | ||
1600 | static int | |
8b3a46f9 | 1601 | regdxy_opr_dest (const struct instruction *insn) |
7b4ae824 | 1602 | { |
8b3a46f9 | 1603 | return reg_opr (insn, REG_BIT_Dn | REG_BIT_XY, false); |
7b4ae824 JD |
1604 | } |
1605 | ||
8b3a46f9 JD |
1606 | static int |
1607 | regdxy_opr_src (const struct instruction *insn) | |
1608 | { | |
1609 | return reg_opr (insn, REG_BIT_Dn | REG_BIT_XY, true); | |
1610 | } | |
1611 | ||
1612 | ||
7b4ae824 JD |
1613 | static int |
1614 | regd_opr (const struct instruction *insn) | |
1615 | { | |
8b3a46f9 | 1616 | return reg_opr (insn, REG_BIT_Dn, true); |
7b4ae824 JD |
1617 | } |
1618 | ||
1619 | ||
8b3a46f9 JD |
1620 | /* OP0: S; OP1: destination OPR */ |
1621 | static int | |
1622 | regs_opr_dest (const struct instruction *insn) | |
1623 | { | |
1624 | return reg_opr (insn, 0x1U << REG_S, false); | |
1625 | } | |
1626 | ||
1627 | /* OP0: S; OP1: source OPR */ | |
7b4ae824 | 1628 | static int |
8b3a46f9 | 1629 | regs_opr_src (const struct instruction *insn) |
7b4ae824 | 1630 | { |
8b3a46f9 | 1631 | return reg_opr (insn, 0x1U << REG_S, true); |
7b4ae824 JD |
1632 | } |
1633 | ||
1634 | static int | |
1635 | imm_opr (const struct instruction *insn) | |
1636 | { | |
1637 | char *ilp = input_line_pointer; | |
1638 | long imm; | |
c6f14c0d JD |
1639 | expressionS exp0; |
1640 | int size = size_from_suffix (insn, 0); | |
1641 | exp0.X_op = O_absent; | |
1642 | ||
1643 | /* Note: The ternary expression below means that "MOV.x #symbol, | |
1644 | mem-expr" is accepted when x is a member of {'w', 'p', 'l'} but | |
1645 | not when it is 'b'. | |
1646 | The Freescale assembler accepts "MOV.b #symbol, mem-expr" but | |
1647 | produces obviously incorrect code. Since such an instruction | |
1648 | would require an 8-bit reloc (which we don't have) and some | |
1649 | non-optimal kludges in the OPR encoding, it seems sensible that | |
1650 | such instructions should be rejected. */ | |
1651 | if (!lex_imm (&imm, size > 1 ? &exp0 : NULL)) | |
7b4ae824 JD |
1652 | goto fail; |
1653 | ||
1654 | if (!lex_match (',')) | |
1655 | goto fail; | |
1656 | ||
1657 | uint8_t buffer[4]; | |
1658 | int n_bytes; | |
c6f14c0d JD |
1659 | expressionS exp1; |
1660 | if (!lex_opr (buffer, &n_bytes, &exp1, false)) | |
7b4ae824 JD |
1661 | goto fail; |
1662 | ||
7b4ae824 JD |
1663 | char *f = s12z_new_insn (1 + n_bytes + size); |
1664 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1665 | ||
c6f14c0d JD |
1666 | emit_reloc (&exp0, f, size, size == 4 ? BFD_RELOC_32 : BFD_RELOC_S12Z_OPR); |
1667 | ||
7b4ae824 JD |
1668 | int i; |
1669 | for (i = 0; i < size; ++i) | |
1670 | number_to_chars_bigendian (f++, imm >> (CHAR_BIT * (size - i - 1)), 1); | |
1671 | ||
c6f14c0d | 1672 | emit_opr (f, buffer, n_bytes, &exp1); |
7b4ae824 JD |
1673 | |
1674 | return 1; | |
1675 | ||
1676 | fail: | |
1677 | fail_line_pointer = input_line_pointer; | |
1678 | input_line_pointer = ilp; | |
1679 | return 0; | |
1680 | } | |
1681 | ||
1682 | static int | |
1683 | opr_opr (const struct instruction *insn) | |
1684 | { | |
1685 | char *ilp = input_line_pointer; | |
1686 | ||
1687 | uint8_t buffer1[4]; | |
1688 | int n_bytes1; | |
1689 | expressionS exp1; | |
8b3a46f9 | 1690 | if (!lex_opr (buffer1, &n_bytes1, &exp1, false)) |
7b4ae824 JD |
1691 | goto fail; |
1692 | ||
1693 | ||
1694 | if (!lex_match (',')) | |
1695 | goto fail; | |
1696 | ||
1697 | uint8_t buffer2[4]; | |
1698 | int n_bytes2; | |
1699 | expressionS exp2; | |
8b3a46f9 | 1700 | if (!lex_opr (buffer2, &n_bytes2, &exp2, false)) |
7b4ae824 JD |
1701 | goto fail; |
1702 | ||
1703 | char *f = s12z_new_insn (1 + n_bytes1 + n_bytes2); | |
1704 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1705 | ||
1706 | f = emit_opr (f, buffer1, n_bytes1, &exp1); | |
1707 | f = emit_opr (f, buffer2, n_bytes2, &exp2); | |
1708 | ||
1709 | return 1; | |
1710 | ||
1711 | fail: | |
1712 | fail_line_pointer = input_line_pointer; | |
1713 | input_line_pointer = ilp; | |
1714 | return 0; | |
1715 | } | |
1716 | ||
1717 | static int | |
1718 | reg67sxy_opr (const struct instruction *insn) | |
1719 | { | |
1720 | int reg; | |
1721 | if (!lex_reg_name (REG_BIT_XYS | (0x1U << REG_D6) | (0x1U << REG_D7), ®)) | |
1722 | return 0; | |
1723 | ||
1724 | if (!lex_match (',')) | |
1725 | return 0; | |
1726 | ||
1727 | uint8_t buffer[4]; | |
1728 | int n_bytes; | |
1729 | expressionS exp; | |
8b3a46f9 | 1730 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
1731 | return 0; |
1732 | ||
1733 | char *f = s12z_new_insn (1 + n_bytes); | |
1734 | number_to_chars_bigendian (f++, insn->opc + reg - REG_D6, 1); | |
1735 | emit_opr (f, buffer, n_bytes, &exp); | |
1736 | ||
1737 | return 1; | |
1738 | } | |
1739 | ||
1740 | static int | |
1741 | rotate (const struct instruction *insn, short dir) | |
1742 | { | |
1743 | uint8_t buffer[4]; | |
1744 | int n_bytes; | |
1745 | expressionS exp; | |
8b3a46f9 | 1746 | if (lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
1747 | { |
1748 | char *f = s12z_new_insn (n_bytes + 2); | |
1749 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1750 | int size = size_from_suffix (insn, 0); | |
1751 | if (size < 0) | |
1752 | size = 1; | |
1753 | uint8_t sb = 0x24; | |
1754 | sb |= size - 1; | |
1755 | if (dir) | |
1756 | sb |= 0x40; | |
1757 | number_to_chars_bigendian (f++, sb, 1); | |
1758 | emit_opr (f, buffer, n_bytes, &exp); | |
1759 | ||
1760 | return 1; | |
1761 | } | |
1762 | ||
1763 | return 0; | |
1764 | } | |
1765 | ||
1766 | static int | |
1767 | rol (const struct instruction *insn) | |
1768 | { | |
1769 | return rotate (insn, 1); | |
1770 | } | |
1771 | ||
1772 | static int | |
1773 | ror (const struct instruction *insn) | |
1774 | { | |
1775 | return rotate (insn, 0); | |
1776 | } | |
1777 | ||
1778 | ||
1779 | /* Shift instruction with a register operand and an immediate #1 or #2 | |
1780 | left = 1; right = 0; | |
1781 | logical = 0; arithmetic = 1; | |
1782 | */ | |
1783 | static int | |
1784 | lex_shift_reg_imm1 (const struct instruction *insn, short type, short dir) | |
1785 | { | |
1786 | /* | |
1787 | This function is highly unusual and a bit wierd! | |
1788 | It first matches the input against a register {d0, d1, ... d7} followed by an immediate | |
1789 | {#1, #2}. | |
1790 | Then, it rewinds the input and parses it again as a OPR. | |
1791 | */ | |
1792 | char *ilp = input_line_pointer; | |
1793 | ||
1794 | int Dd; | |
1795 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
1796 | { | |
1797 | goto fail; | |
1798 | } | |
1799 | ||
1800 | if (!lex_match (',')) | |
1801 | goto fail; | |
1802 | ||
1803 | long imm = -1; | |
c6f14c0d | 1804 | if (!lex_imm (&imm, NULL)) |
7b4ae824 JD |
1805 | goto fail; |
1806 | ||
1807 | if (imm != 1 && imm != 2) | |
1808 | goto fail; | |
1809 | input_line_pointer = ilp; | |
1810 | ||
1811 | /* Now parse the first operand again */ | |
1812 | ||
1813 | uint8_t buffer[4]; | |
1814 | int n_bytes; | |
1815 | ||
1816 | expressionS exp; | |
8b3a46f9 | 1817 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
1818 | goto fail; |
1819 | ||
1820 | gas_assert (n_bytes == 1); | |
1821 | ||
1822 | uint8_t sb = 0x34; | |
1823 | sb |= dir << 6; | |
1824 | sb |= type << 7; | |
1825 | if (imm == 2) | |
1826 | sb |= 0x08; | |
1827 | ||
1828 | char *f = s12z_new_insn (3); | |
1829 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1830 | number_to_chars_bigendian (f++, sb, 1); | |
1831 | emit_opr (f, buffer, n_bytes, &exp); | |
1832 | ||
1833 | return 1; | |
1834 | ||
1835 | fail: | |
1836 | fail_line_pointer = input_line_pointer; | |
1837 | input_line_pointer = ilp; | |
1838 | return 0; | |
1839 | } | |
1840 | ||
1841 | /* Shift instruction with a register operand. | |
1842 | left = 1; right = 0; | |
1843 | logical = 0; arithmetic = 1; */ | |
1844 | static int | |
1845 | lex_shift_reg (const struct instruction *insn, short type, short dir) | |
1846 | { | |
1847 | int Dd, Ds, Dn; | |
1848 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
1849 | { | |
1850 | goto fail; | |
1851 | } | |
1852 | ||
1853 | if (!lex_match (',')) | |
1854 | goto fail; | |
1855 | ||
1856 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) | |
1857 | { | |
1858 | goto fail; | |
1859 | } | |
1860 | ||
1861 | if (!lex_match (',')) | |
1862 | goto fail; | |
1863 | ||
1864 | uint8_t sb = 0x10; | |
1865 | sb |= Ds; | |
1866 | sb |= dir << 6; | |
1867 | sb |= type << 7; | |
1868 | long imm; | |
1869 | if (lex_reg_name (REG_BIT_Dn, &Dn)) | |
1870 | { | |
1871 | char *f = s12z_new_insn (3); | |
1872 | number_to_chars_bigendian (f++, insn->opc | Dd, 1); | |
1873 | number_to_chars_bigendian (f++, sb, 1); | |
1874 | uint8_t xb = 0xb8; | |
1875 | xb |= Dn; | |
1876 | number_to_chars_bigendian (f++, xb, 1); | |
1877 | ||
1878 | return 1; | |
1879 | } | |
c6f14c0d | 1880 | else if (lex_imm (&imm, NULL)) |
7b4ae824 JD |
1881 | { |
1882 | if (imm < 0 || imm > 31) | |
1883 | { | |
1884 | as_bad (_("Shift value should be in the range [0,31]")); | |
1885 | goto fail; | |
1886 | } | |
1887 | ||
1888 | int n_bytes = 3; | |
1889 | if (imm == 1 || imm == 2) | |
1890 | { | |
1891 | n_bytes = 2; | |
1892 | sb &= ~0x10; | |
1893 | } | |
1894 | else | |
1895 | { | |
1896 | sb |= (imm & 0x01) << 3; | |
1897 | } | |
1898 | ||
1899 | char *f = s12z_new_insn (n_bytes); | |
1900 | number_to_chars_bigendian (f++, insn->opc | Dd, 1); | |
1901 | number_to_chars_bigendian (f++, sb, 1); | |
1902 | if (n_bytes > 2) | |
1903 | { | |
1904 | uint8_t xb = 0x70; | |
1905 | xb |= imm >> 1; | |
1906 | number_to_chars_bigendian (f++, xb, 1); | |
1907 | } | |
1908 | ||
1909 | return 1; | |
1910 | } | |
1911 | ||
1912 | fail: | |
1913 | fail_line_pointer = input_line_pointer; | |
1914 | return 0; | |
1915 | } | |
1916 | ||
1917 | static void | |
1918 | impute_shift_dir_and_type (const struct instruction *insn, short *type, short *dir) | |
1919 | { | |
1920 | *dir = -1; | |
1921 | *type = -1; | |
1922 | switch (insn->name[0]) | |
1923 | { | |
1924 | case 'l': | |
1925 | *type = 0; | |
1926 | break; | |
1927 | case 'a': | |
1928 | *type = 1; | |
1929 | break; | |
1930 | default: | |
1931 | as_fatal (_("Bad shift mode")); | |
1932 | break; | |
1933 | } | |
1934 | ||
1935 | switch (insn->name[2]) | |
1936 | { | |
1937 | case 'l': | |
1938 | *dir = 1; | |
1939 | break; | |
1940 | case 'r': | |
1941 | *dir = 0; | |
1942 | break; | |
1943 | default: | |
1944 | as_fatal (_("Bad shift *direction")); | |
1945 | break; | |
1946 | } | |
1947 | } | |
1948 | ||
1949 | /* Shift instruction with a OPR operand */ | |
1950 | static int | |
1951 | shift_two_operand (const struct instruction *insn) | |
1952 | { | |
1953 | uint8_t sb = 0x34; | |
1954 | char *ilp = input_line_pointer; | |
1955 | ||
1956 | short dir = -1; | |
1957 | short type = -1; | |
1958 | impute_shift_dir_and_type (insn, &type, &dir); | |
1959 | sb |= dir << 6; | |
1960 | sb |= type << 7; | |
1961 | ||
1962 | int size = size_from_suffix (insn, 0); | |
1963 | sb |= size - 1; | |
1964 | ||
1965 | uint8_t buffer[4]; | |
1966 | int n_opr_bytes; | |
1967 | expressionS exp; | |
8b3a46f9 | 1968 | if (!lex_opr (buffer, &n_opr_bytes, &exp, false)) |
7b4ae824 JD |
1969 | goto fail; |
1970 | ||
1971 | if (!lex_match (',')) | |
1972 | goto fail; | |
1973 | ||
1974 | long imm = -1; | |
c6f14c0d | 1975 | if (!lex_imm (&imm, NULL)) |
7b4ae824 JD |
1976 | goto fail; |
1977 | ||
1978 | if (imm != 1 && imm != 2) | |
1979 | goto fail; | |
1980 | ||
1981 | if (imm == 2) | |
1982 | sb |= 0x08; | |
1983 | ||
1984 | char *f = s12z_new_insn (2 + n_opr_bytes); | |
1985 | number_to_chars_bigendian (f++, insn->opc, 1); | |
1986 | number_to_chars_bigendian (f++, sb, 1); | |
1987 | emit_opr (f, buffer, n_opr_bytes, &exp); | |
1988 | ||
1989 | return 1; | |
1990 | ||
1991 | fail: | |
1992 | fail_line_pointer = input_line_pointer; | |
1993 | input_line_pointer = ilp; | |
1994 | return 0; | |
1995 | } | |
1996 | ||
1997 | /* Shift instruction with a OPR operand */ | |
1998 | static int | |
1999 | shift_opr_imm (const struct instruction *insn) | |
2000 | { | |
2001 | char *ilp = input_line_pointer; | |
2002 | ||
2003 | short dir = -1; | |
2004 | short type = -1; | |
2005 | impute_shift_dir_and_type (insn, &type, &dir); | |
2006 | ||
2007 | int Dd = 0; | |
2008 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
2009 | goto fail; | |
2010 | ||
2011 | if (!lex_match (',')) | |
2012 | goto fail; | |
2013 | ||
2014 | int n_bytes = 2; | |
2015 | ||
2016 | uint8_t buffer1[4]; | |
2017 | int n_opr_bytes1; | |
2018 | ||
2019 | expressionS exp1; | |
8b3a46f9 | 2020 | if (!lex_opr (buffer1, &n_opr_bytes1, &exp1, false)) |
7b4ae824 JD |
2021 | goto fail; |
2022 | ||
2023 | n_bytes += n_opr_bytes1; | |
2024 | if (!lex_match (',')) | |
2025 | goto fail; | |
2026 | ||
2027 | uint8_t buffer2[4]; | |
2028 | int n_opr_bytes2 = 0; | |
2029 | expressionS exp2; | |
2030 | long imm; | |
2031 | bool immediate = false; | |
c6f14c0d | 2032 | if (lex_imm (&imm, NULL)) |
7b4ae824 JD |
2033 | { |
2034 | immediate = true; | |
2035 | } | |
8b3a46f9 | 2036 | else if (!lex_opr (buffer2, &n_opr_bytes2, &exp2, false)) |
7b4ae824 JD |
2037 | goto fail; |
2038 | ||
2039 | uint8_t sb = 0x20; | |
2040 | ||
2041 | int size = size_from_suffix (insn, 0); | |
2042 | ||
2043 | if (size != -1) | |
2044 | sb |= size - 1; | |
2045 | ||
2046 | sb |= dir << 6; | |
2047 | sb |= type << 7; | |
2048 | ||
2049 | if (immediate) | |
2050 | { | |
2051 | if (imm == 2 || imm == 1) | |
2052 | { | |
2053 | if (imm == 2) | |
2054 | sb |= 0x08; | |
2055 | } | |
2056 | else | |
2057 | { | |
2058 | n_bytes++; | |
2059 | sb |= 0x10; | |
2060 | if (imm % 2) | |
2061 | sb |= 0x08; | |
2062 | } | |
2063 | } | |
2064 | else | |
2065 | { | |
2066 | n_bytes += n_opr_bytes2; | |
2067 | sb |= 0x10; | |
2068 | } | |
2069 | ||
2070 | char *f = s12z_new_insn (n_bytes); | |
2071 | number_to_chars_bigendian (f++, insn->opc | Dd, 1); | |
2072 | number_to_chars_bigendian (f++, sb, 1); | |
2073 | f = emit_opr (f, buffer1, n_opr_bytes1, &exp1); | |
2074 | if (immediate) | |
2075 | { | |
2076 | if (imm != 1 && imm != 2) | |
2077 | { | |
2078 | number_to_chars_bigendian (f++, 0x70 | (imm >> 1), 1); | |
2079 | } | |
2080 | } | |
2081 | else | |
2082 | { | |
2083 | f = emit_opr (f, buffer2, n_opr_bytes2, &exp2); | |
2084 | } | |
2085 | ||
2086 | return 1; | |
2087 | ||
2088 | fail: | |
2089 | fail_line_pointer = input_line_pointer; | |
2090 | input_line_pointer = ilp; | |
2091 | return 0; | |
2092 | } | |
2093 | ||
2094 | /* Shift instruction with a register operand */ | |
2095 | static int | |
2096 | shift_reg (const struct instruction *insn) | |
2097 | { | |
2098 | short dir = -1; | |
2099 | short type = -1; | |
2100 | impute_shift_dir_and_type (insn, &type, &dir); | |
2101 | ||
2102 | if (lex_shift_reg_imm1 (insn, type, dir)) | |
2103 | return 1; | |
2104 | ||
2105 | return lex_shift_reg (insn, type, dir); | |
2106 | } | |
2107 | ||
2108 | static int | |
2109 | bm_regd_imm (const struct instruction *insn) | |
2110 | { | |
2111 | char *ilp = input_line_pointer; | |
2112 | int Di = 0; | |
2113 | if (!lex_reg_name (REG_BIT_Dn, &Di)) | |
2114 | goto fail; | |
2115 | ||
2116 | if (!lex_match (',')) | |
2117 | goto fail; | |
2118 | ||
2119 | long imm; | |
c6f14c0d | 2120 | if (!lex_imm (&imm, NULL)) |
7b4ae824 JD |
2121 | goto fail; |
2122 | ||
2123 | ||
2124 | uint8_t bm = imm << 3; | |
2125 | bm |= Di; | |
2126 | ||
2127 | char *f = s12z_new_insn (2); | |
2128 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2129 | number_to_chars_bigendian (f++, bm, 1); | |
2130 | ||
2131 | return 1; | |
2132 | ||
2133 | fail: | |
2134 | fail_line_pointer = input_line_pointer; | |
2135 | input_line_pointer = ilp; | |
2136 | return 0; | |
2137 | } | |
2138 | ||
2139 | static int | |
2140 | bm_opr_reg (const struct instruction *insn) | |
2141 | { | |
2142 | char *ilp = input_line_pointer; | |
2143 | ||
2144 | uint8_t buffer[4]; | |
2145 | int n_opr_bytes; | |
2146 | ||
2147 | expressionS exp; | |
8b3a46f9 | 2148 | if (!lex_opr (buffer, &n_opr_bytes, &exp, false)) |
7b4ae824 JD |
2149 | goto fail; |
2150 | ||
2151 | if (!lex_match (',')) | |
2152 | goto fail; | |
2153 | ||
2154 | int Dn = 0; | |
2155 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) | |
2156 | goto fail; | |
2157 | ||
2158 | uint8_t bm = Dn << 4; | |
2159 | int size = size_from_suffix (insn, 0); | |
2160 | bm |= (size - 1) << 2; | |
2161 | bm |= 0x81; | |
2162 | ||
2163 | char *f = s12z_new_insn (2 + n_opr_bytes); | |
2164 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2165 | number_to_chars_bigendian (f++, bm, 1); | |
2166 | ||
2167 | emit_opr (f, buffer, n_opr_bytes, &exp); | |
2168 | ||
2169 | return 1; | |
2170 | ||
2171 | fail: | |
2172 | fail_line_pointer = input_line_pointer; | |
2173 | input_line_pointer = ilp; | |
2174 | return 0; | |
2175 | } | |
2176 | ||
2177 | ||
2178 | static int | |
2179 | bm_opr_imm (const struct instruction *insn) | |
2180 | { | |
2181 | char *ilp = input_line_pointer; | |
2182 | ||
2183 | uint8_t buffer[4]; | |
2184 | int n_opr_bytes; | |
2185 | ||
2186 | expressionS exp; | |
8b3a46f9 | 2187 | if (!lex_opr (buffer, &n_opr_bytes, &exp, false)) |
7b4ae824 JD |
2188 | goto fail; |
2189 | ||
2190 | if (!lex_match (',')) | |
2191 | goto fail; | |
2192 | ||
2193 | ||
2194 | long imm; | |
c6f14c0d | 2195 | if (!lex_imm (&imm, NULL)) |
7b4ae824 JD |
2196 | goto fail; |
2197 | ||
2198 | int size = size_from_suffix (insn, 0); | |
2199 | ||
2200 | if (imm < 0 || imm >= size * 8) | |
2201 | { | |
2202 | as_bad (_("Immediate operand %ld is inappropriate for size of instruction"), imm); | |
2203 | goto fail; | |
2204 | } | |
2205 | ||
2206 | uint8_t bm = 0x80; | |
2207 | if (size == 2) | |
2208 | bm |= 0x02; | |
2209 | else if (size == 4) | |
2210 | bm |= 0x08; | |
2211 | bm |= (imm & 0x07) << 4; | |
2212 | bm |= (imm >> 3); | |
2213 | ||
2214 | ||
2215 | char *f = s12z_new_insn (2 + n_opr_bytes); | |
2216 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2217 | number_to_chars_bigendian (f++, bm, 1); | |
2218 | emit_opr (f, buffer, n_opr_bytes, &exp); | |
2219 | ||
2220 | return 1; | |
2221 | ||
2222 | fail: | |
2223 | fail_line_pointer = input_line_pointer; | |
2224 | input_line_pointer = ilp; | |
2225 | return 0; | |
2226 | } | |
2227 | ||
2228 | ||
2229 | static int | |
2230 | bm_regd_reg (const struct instruction *insn) | |
2231 | { | |
2232 | char *ilp = input_line_pointer; | |
2233 | int Di = 0; | |
2234 | if (!lex_reg_name (REG_BIT_Dn, &Di)) | |
2235 | goto fail; | |
2236 | ||
2237 | if (!lex_match (',')) | |
2238 | goto fail; | |
2239 | ||
2240 | int Dn = 0; | |
2241 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) | |
2242 | goto fail; | |
2243 | ||
2244 | uint8_t bm = Dn << 4; | |
2245 | bm |= 0x81; | |
2246 | ||
2247 | uint8_t xb = Di | 0xb8; | |
2248 | ||
2249 | char *f = s12z_new_insn (3); | |
2250 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2251 | number_to_chars_bigendian (f++, bm, 1); | |
2252 | number_to_chars_bigendian (f++, xb, 1); | |
2253 | ||
2254 | return 1; | |
2255 | ||
2256 | fail: | |
2257 | fail_line_pointer = input_line_pointer; | |
2258 | input_line_pointer = ilp; | |
2259 | return 0; | |
2260 | } | |
2261 | ||
2262 | ||
2263 | \f | |
2264 | ||
2265 | ||
2266 | static int | |
2267 | bf_reg_opr_imm (const struct instruction *insn, short ie) | |
2268 | { | |
2269 | char *ilp = input_line_pointer; | |
2270 | int Dd = 0; | |
2271 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
2272 | goto fail; | |
2273 | ||
2274 | if (!lex_match (',')) | |
2275 | goto fail; | |
2276 | ||
2277 | uint8_t buffer[4]; | |
2278 | int n_bytes; | |
2279 | ||
2280 | expressionS exp; | |
8b3a46f9 | 2281 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2282 | goto fail; |
2283 | ||
2284 | if (!lex_match (',')) | |
2285 | goto fail; | |
2286 | ||
2287 | long width; | |
c6f14c0d | 2288 | if (!lex_imm (&width, NULL)) |
7b4ae824 JD |
2289 | goto fail; |
2290 | ||
2291 | if (width < 0 || width > 31) | |
2292 | { | |
2293 | as_bad (_("Invalid width value for %s"), insn->name); | |
2294 | goto fail; | |
2295 | } | |
2296 | ||
2297 | if (!lex_match (':')) | |
2298 | goto fail; | |
2299 | ||
2300 | long offset; | |
2301 | if (!lex_constant (&offset)) | |
2302 | goto fail; | |
2303 | ||
2304 | if (offset < 0 || offset > 31) | |
2305 | { | |
2306 | as_bad (_("Invalid offset value for %s"), insn->name); | |
2307 | goto fail; | |
2308 | } | |
2309 | ||
2310 | uint8_t i1 = width << 5; | |
2311 | i1 |= offset; | |
2312 | ||
2313 | int size = size_from_suffix (insn, 0); | |
2314 | uint8_t bb = ie ? 0x80 : 0x00; | |
2315 | bb |= 0x60; | |
2316 | bb |= (size - 1) << 2; | |
2317 | bb |= width >> 3; | |
2318 | ||
2319 | char *f = s12z_new_insn (4 + n_bytes); | |
2320 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2321 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); | |
2322 | number_to_chars_bigendian (f++, bb, 1); | |
2323 | number_to_chars_bigendian (f++, i1, 1); | |
2324 | ||
2325 | emit_opr (f, buffer, n_bytes, &exp); | |
2326 | ||
2327 | return 1; | |
2328 | ||
2329 | fail: | |
2330 | fail_line_pointer = input_line_pointer; | |
2331 | input_line_pointer = ilp; | |
2332 | return 0; | |
2333 | } | |
2334 | ||
2335 | ||
2336 | static int | |
2337 | bf_opr_reg_imm (const struct instruction *insn, short ie) | |
2338 | { | |
2339 | char *ilp = input_line_pointer; | |
2340 | uint8_t buffer[4]; | |
2341 | int n_bytes; | |
2342 | expressionS exp; | |
8b3a46f9 | 2343 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2344 | goto fail; |
2345 | ||
2346 | if (!lex_match (',')) | |
2347 | goto fail; | |
2348 | ||
2349 | int Ds = 0; | |
2350 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) | |
2351 | goto fail; | |
2352 | ||
2353 | if (!lex_match (',')) | |
2354 | goto fail; | |
2355 | ||
2356 | long width; | |
c6f14c0d | 2357 | if (!lex_imm (&width, NULL)) |
7b4ae824 JD |
2358 | goto fail; |
2359 | ||
2360 | if (width < 0 || width > 31) | |
2361 | { | |
2362 | as_bad (_("Invalid width value for %s"), insn->name); | |
2363 | goto fail; | |
2364 | } | |
2365 | ||
2366 | if (!lex_match (':')) | |
2367 | goto fail; | |
2368 | ||
2369 | long offset; | |
2370 | if (!lex_constant (&offset)) | |
2371 | goto fail; | |
2372 | ||
2373 | if (offset < 0 || offset > 31) | |
2374 | { | |
2375 | as_bad (_("Invalid offset value for %s"), insn->name); | |
2376 | goto fail; | |
2377 | } | |
2378 | ||
2379 | uint8_t i1 = width << 5; | |
2380 | i1 |= offset; | |
2381 | ||
2382 | int size = size_from_suffix (insn, 0); | |
2383 | uint8_t bb = ie ? 0x80 : 0x00; | |
2384 | bb |= 0x70; | |
2385 | bb |= (size - 1) << 2; | |
2386 | bb |= width >> 3; | |
2387 | ||
2388 | char *f = s12z_new_insn (4 + n_bytes); | |
2389 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2390 | number_to_chars_bigendian (f++, 0x08 | Ds, 1); | |
2391 | number_to_chars_bigendian (f++, bb, 1); | |
2392 | number_to_chars_bigendian (f++, i1, 1); | |
2393 | ||
2394 | emit_opr (f, buffer, n_bytes, &exp); | |
2395 | ||
2396 | return 1; | |
2397 | ||
2398 | fail: | |
2399 | fail_line_pointer = input_line_pointer; | |
2400 | input_line_pointer = ilp; | |
2401 | return 0; | |
2402 | } | |
2403 | ||
2404 | ||
2405 | ||
2406 | static int | |
2407 | bf_reg_reg_imm (const struct instruction *insn, short ie) | |
2408 | { | |
2409 | char *ilp = input_line_pointer; | |
2410 | int Dd = 0; | |
2411 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
2412 | goto fail; | |
2413 | ||
2414 | if (!lex_match (',')) | |
2415 | goto fail; | |
2416 | ||
2417 | int Ds = 0; | |
2418 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) | |
2419 | goto fail; | |
2420 | ||
2421 | if (!lex_match (',')) | |
2422 | goto fail; | |
2423 | ||
2424 | long width; | |
c6f14c0d | 2425 | if (!lex_imm (&width, NULL)) |
7b4ae824 JD |
2426 | goto fail; |
2427 | ||
2428 | if (width < 0 || width > 31) | |
2429 | { | |
2430 | as_bad (_("Invalid width value for %s"), insn->name); | |
2431 | goto fail; | |
2432 | } | |
2433 | ||
2434 | if (!lex_match (':')) | |
2435 | goto fail; | |
2436 | ||
2437 | long offset; | |
2438 | if (!lex_constant (&offset)) | |
2439 | goto fail; | |
2440 | ||
2441 | if (offset < 0 || offset > 31) | |
2442 | { | |
2443 | as_bad (_("Invalid offset value for %s"), insn->name); | |
2444 | goto fail; | |
2445 | } | |
2446 | ||
2447 | uint8_t bb = ie ? 0x80 : 0x00; | |
2448 | bb |= 0x20; | |
2449 | bb |= Ds << 2; | |
2450 | bb |= width >> 3; | |
2451 | ||
2452 | uint8_t i1 = width << 5; | |
2453 | i1 |= offset; | |
2454 | ||
2455 | char *f = s12z_new_insn (4); | |
2456 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2457 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); | |
2458 | number_to_chars_bigendian (f++, bb, 1); | |
2459 | number_to_chars_bigendian (f++, i1, 1); | |
2460 | ||
2461 | return 1; | |
2462 | ||
2463 | fail: | |
2464 | fail_line_pointer = input_line_pointer; | |
2465 | input_line_pointer = ilp; | |
2466 | return 0; | |
2467 | } | |
2468 | ||
2469 | static int | |
2470 | bf_reg_reg_reg (const struct instruction *insn ATTRIBUTE_UNUSED, short ie) | |
2471 | { | |
2472 | char *ilp = input_line_pointer; | |
2473 | int Dd = 0; | |
2474 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
2475 | goto fail; | |
2476 | ||
2477 | if (!lex_match (',')) | |
2478 | goto fail; | |
2479 | ||
2480 | int Ds = 0; | |
2481 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) | |
2482 | goto fail; | |
2483 | ||
2484 | if (!lex_match (',')) | |
2485 | goto fail; | |
2486 | ||
2487 | int Dp = 0; | |
2488 | if (!lex_reg_name ((0x01u << REG_D2) | | |
2489 | (0x01u << REG_D3) | | |
2490 | (0x01u << REG_D4) | | |
2491 | (0x01u << REG_D5), | |
2492 | &Dp)) | |
2493 | goto fail; | |
2494 | ||
2495 | uint8_t bb = ie ? 0x80 : 0x00; | |
2496 | bb |= Ds << 2; | |
2497 | bb |= Dp; | |
2498 | ||
2499 | char *f = s12z_new_insn (3); | |
2500 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2501 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); | |
2502 | number_to_chars_bigendian (f++, bb , 1); | |
2503 | ||
2504 | return 1; | |
2505 | ||
2506 | fail: | |
2507 | fail_line_pointer = input_line_pointer; | |
2508 | input_line_pointer = ilp; | |
2509 | return 0; | |
2510 | } | |
2511 | ||
2512 | static int | |
2513 | bf_opr_reg_reg (const struct instruction *insn, short ie) | |
2514 | { | |
2515 | char *ilp = input_line_pointer; | |
2516 | ||
2517 | uint8_t buffer[4]; | |
2518 | int n_bytes; | |
2519 | expressionS exp; | |
8b3a46f9 | 2520 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2521 | goto fail; |
2522 | ||
2523 | if (!lex_match (',')) | |
2524 | goto fail; | |
2525 | ||
2526 | ||
2527 | int Ds = 0; | |
2528 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) | |
2529 | goto fail; | |
2530 | ||
2531 | if (!lex_match (',')) | |
2532 | goto fail; | |
2533 | ||
2534 | ||
2535 | int Dp = 0; | |
2536 | if (!lex_reg_name ((0x01u << REG_D2) | | |
2537 | (0x01u << REG_D3) | | |
2538 | (0x01u << REG_D4) | | |
2539 | (0x01u << REG_D5), | |
2540 | &Dp)) | |
2541 | goto fail; | |
2542 | ||
2543 | int size = size_from_suffix (insn, 0); | |
2544 | uint8_t bb = ie ? 0x80 : 0x00; | |
2545 | bb |= 0x50; | |
2546 | bb |= Dp; | |
2547 | bb |= (size - 1) << 2; | |
2548 | ||
2549 | char *f = s12z_new_insn (3 + n_bytes); | |
2550 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2551 | number_to_chars_bigendian (f++, 0x08 | Ds, 1); | |
2552 | number_to_chars_bigendian (f++, bb , 1); | |
2553 | ||
2554 | emit_opr (f, buffer, n_bytes, &exp); | |
2555 | ||
2556 | return 1; | |
2557 | ||
2558 | fail: | |
2559 | fail_line_pointer = input_line_pointer; | |
2560 | input_line_pointer = ilp; | |
2561 | return 0; | |
2562 | } | |
2563 | ||
2564 | ||
2565 | static int | |
2566 | bf_reg_opr_reg (const struct instruction *insn, short ie) | |
2567 | { | |
2568 | char *ilp = input_line_pointer; | |
2569 | int Dd = 0; | |
2570 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) | |
2571 | goto fail; | |
2572 | ||
2573 | if (!lex_match (',')) | |
2574 | goto fail; | |
2575 | ||
2576 | ||
2577 | uint8_t buffer[4]; | |
2578 | int n_bytes; | |
2579 | expressionS exp; | |
8b3a46f9 | 2580 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2581 | goto fail; |
2582 | ||
2583 | if (!lex_match (',')) | |
2584 | goto fail; | |
2585 | ||
2586 | int Dp = 0; | |
2587 | if (!lex_reg_name ((0x01u << REG_D2) | | |
2588 | (0x01u << REG_D3) | | |
2589 | (0x01u << REG_D4) | | |
2590 | (0x01u << REG_D5), | |
2591 | &Dp)) | |
2592 | goto fail; | |
2593 | ||
2594 | int size = size_from_suffix (insn, 0); | |
2595 | uint8_t bb = ie ? 0x80 : 0x00; | |
2596 | bb |= 0x40; | |
2597 | bb |= Dp; | |
2598 | bb |= (size - 1) << 2; | |
2599 | ||
2600 | char *f = s12z_new_insn (3 + n_bytes); | |
2601 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); | |
2602 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); | |
2603 | number_to_chars_bigendian (f++, bb , 1); | |
2604 | ||
2605 | emit_opr (f, buffer, n_bytes, &exp); | |
2606 | ||
2607 | return 1; | |
2608 | ||
2609 | fail: | |
2610 | fail_line_pointer = input_line_pointer; | |
2611 | input_line_pointer = ilp; | |
2612 | return 0; | |
2613 | } | |
2614 | ||
2615 | ||
2616 | ||
2617 | static int | |
2618 | bfe_reg_reg_reg (const struct instruction *insn) | |
2619 | { | |
2620 | return bf_reg_reg_reg (insn, 0); | |
2621 | } | |
2622 | ||
2623 | static int | |
2624 | bfi_reg_reg_reg (const struct instruction *insn) | |
2625 | { | |
2626 | return bf_reg_reg_reg (insn, 1); | |
2627 | } | |
2628 | ||
2629 | static int | |
2630 | bfe_reg_reg_imm (const struct instruction *insn) | |
2631 | { | |
2632 | return bf_reg_reg_imm (insn, 0); | |
2633 | } | |
2634 | ||
2635 | static int | |
2636 | bfi_reg_reg_imm (const struct instruction *insn) | |
2637 | { | |
2638 | return bf_reg_reg_imm (insn, 1); | |
2639 | } | |
2640 | ||
2641 | ||
2642 | static int | |
2643 | bfe_reg_opr_reg (const struct instruction *insn) | |
2644 | { | |
2645 | return bf_reg_opr_reg (insn, 0); | |
2646 | } | |
2647 | ||
2648 | static int | |
2649 | bfi_reg_opr_reg (const struct instruction *insn) | |
2650 | { | |
2651 | return bf_reg_opr_reg (insn, 1); | |
2652 | } | |
2653 | ||
2654 | ||
2655 | static int | |
2656 | bfe_opr_reg_reg (const struct instruction *insn) | |
2657 | { | |
2658 | return bf_opr_reg_reg (insn, 0); | |
2659 | } | |
2660 | ||
2661 | static int | |
2662 | bfi_opr_reg_reg (const struct instruction *insn) | |
2663 | { | |
2664 | return bf_opr_reg_reg (insn, 1); | |
2665 | } | |
2666 | ||
2667 | static int | |
2668 | bfe_reg_opr_imm (const struct instruction *insn) | |
2669 | { | |
2670 | return bf_reg_opr_imm (insn, 0); | |
2671 | } | |
2672 | ||
2673 | static int | |
2674 | bfi_reg_opr_imm (const struct instruction *insn) | |
2675 | { | |
2676 | return bf_reg_opr_imm (insn, 1); | |
2677 | } | |
2678 | ||
2679 | static int | |
2680 | bfe_opr_reg_imm (const struct instruction *insn) | |
2681 | { | |
2682 | return bf_opr_reg_imm (insn, 0); | |
2683 | } | |
2684 | ||
2685 | static int | |
2686 | bfi_opr_reg_imm (const struct instruction *insn) | |
2687 | { | |
2688 | return bf_opr_reg_imm (insn, 1); | |
2689 | } | |
2690 | ||
2691 | \f | |
2692 | ||
2693 | ||
2694 | static int | |
2695 | tb_reg_rel (const struct instruction *insn) | |
2696 | { | |
2697 | char *ilp = input_line_pointer; | |
2698 | ||
2699 | int reg; | |
2700 | if (!lex_reg_name (REG_BIT_Dn | REG_BIT_XY, ®)) | |
2701 | goto fail; | |
2702 | ||
2703 | if (!lex_match (',')) | |
2704 | goto fail; | |
2705 | ||
2706 | bool long_displacement; | |
2707 | expressionS exp; | |
2708 | if (! lex_15_bit_offset (&long_displacement, &exp)) | |
2709 | goto fail; | |
2710 | ||
2711 | uint8_t lb = 0x00; | |
2712 | if (reg == REG_X || reg == REG_Y) | |
2713 | { | |
2714 | lb |= 0x08; | |
2715 | } | |
2716 | else | |
2717 | { | |
2718 | lb |= reg; | |
2719 | } | |
2720 | if (reg == REG_Y) | |
2721 | lb |= 0x01; | |
2722 | ||
2723 | if (0 == strncmp (insn->name + 2, "ne", 2)) | |
2724 | lb |= 0x00 << 4; | |
2725 | else if (0 == strncmp (insn->name + 2, "eq", 2)) | |
2726 | lb |= 0x01 << 4; | |
2727 | else if (0 == strncmp (insn->name + 2, "pl", 2)) | |
2728 | lb |= 0x02 << 4; | |
2729 | else if (0 == strncmp (insn->name + 2, "mi", 2)) | |
2730 | lb |= 0x03 << 4; | |
2731 | else if (0 == strncmp (insn->name + 2, "gt", 2)) | |
2732 | lb |= 0x04 << 4; | |
2733 | else if (0 == strncmp (insn->name + 2, "le", 2)) | |
2734 | lb |= 0x05 << 4; | |
2735 | ||
2736 | switch (insn->name[0]) | |
2737 | { | |
2738 | case 'd': | |
2739 | lb |= 0x80; | |
2740 | break; | |
2741 | case 't': | |
2742 | break; | |
2743 | default: | |
2744 | gas_assert (0); | |
2745 | break; | |
2746 | }; | |
2747 | ||
2748 | char *f = s12z_new_insn (long_displacement ? 4 : 3); | |
2749 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2750 | number_to_chars_bigendian (f++, lb, 1); | |
2751 | ||
2752 | emit_15_bit_offset (f, 4, &exp); | |
2753 | ||
2754 | return 1; | |
2755 | ||
2756 | fail: | |
2757 | fail_line_pointer = input_line_pointer; | |
2758 | input_line_pointer = ilp; | |
2759 | return 0; | |
2760 | } | |
2761 | ||
2762 | ||
2763 | static int | |
2764 | tb_opr_rel (const struct instruction *insn) | |
2765 | { | |
2766 | char *ilp = input_line_pointer; | |
2767 | ||
2768 | uint8_t buffer[4]; | |
2769 | int n_bytes; | |
2770 | expressionS exp; | |
8b3a46f9 | 2771 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2772 | goto fail; |
2773 | ||
2774 | if (!lex_match (',')) | |
2775 | goto fail; | |
2776 | ||
2777 | bool long_displacement; | |
2778 | expressionS exp2; | |
2779 | if (! lex_15_bit_offset (&long_displacement, &exp2)) | |
2780 | goto fail; | |
2781 | ||
2782 | uint8_t lb = 0x0C; | |
2783 | ||
2784 | if (0 == strncmp (insn->name + 2, "ne", 2)) | |
2785 | lb |= 0x00 << 4; | |
2786 | else if (0 == strncmp (insn->name + 2, "eq", 2)) | |
2787 | lb |= 0x01 << 4; | |
2788 | else if (0 == strncmp (insn->name + 2, "pl", 2)) | |
2789 | lb |= 0x02 << 4; | |
2790 | else if (0 == strncmp (insn->name + 2, "mi", 2)) | |
2791 | lb |= 0x03 << 4; | |
2792 | else if (0 == strncmp (insn->name + 2, "gt", 2)) | |
2793 | lb |= 0x04 << 4; | |
2794 | else if (0 == strncmp (insn->name + 2, "le", 2)) | |
2795 | lb |= 0x05 << 4; | |
2796 | ||
2797 | switch (insn->name[0]) | |
2798 | { | |
2799 | case 'd': | |
2800 | lb |= 0x80; | |
2801 | break; | |
2802 | case 't': | |
2803 | break; | |
2804 | default: | |
2805 | gas_assert (0); | |
2806 | break; | |
2807 | }; | |
2808 | ||
2809 | int size = size_from_suffix (insn, 0); | |
2810 | ||
2811 | lb |= size -1; | |
2812 | ||
2813 | char *f = s12z_new_insn (n_bytes + (long_displacement ? 4 : 3)); | |
2814 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2815 | number_to_chars_bigendian (f++, lb, 1); | |
2816 | f = emit_opr (f, buffer, n_bytes, &exp); | |
2817 | ||
2818 | emit_15_bit_offset (f, n_bytes + 4, &exp2); | |
2819 | ||
2820 | return 1; | |
2821 | ||
2822 | fail: | |
2823 | fail_line_pointer = input_line_pointer; | |
2824 | input_line_pointer = ilp; | |
2825 | return 0; | |
2826 | } | |
2827 | ||
2828 | \f | |
2829 | ||
2830 | ||
2831 | static int | |
2832 | test_br_reg_reg_rel (const struct instruction *insn) | |
2833 | { | |
2834 | char *ilp = input_line_pointer; | |
2835 | ||
2836 | int Di = 0; | |
2837 | if (!lex_reg_name (REG_BIT_Dn, &Di)) | |
2838 | goto fail; | |
2839 | ||
2840 | if (!lex_match (',')) | |
2841 | goto fail; | |
2842 | ||
2843 | ||
2844 | int Dn = 0; | |
2845 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) | |
2846 | goto fail; | |
2847 | ||
2848 | if (!lex_match (',')) | |
2849 | goto fail; | |
2850 | ||
2851 | ||
2852 | bool long_displacement; | |
2853 | expressionS exp; | |
2854 | if (! lex_15_bit_offset (&long_displacement, &exp)) | |
2855 | goto fail; | |
2856 | ||
2857 | uint8_t bm = 0x81; | |
2858 | uint8_t xb = 0xb8; | |
2859 | ||
2860 | bm |= Dn << 4; | |
2861 | xb |= Di; | |
2862 | ||
2863 | char *f = s12z_new_insn (long_displacement ? 5 : 4); | |
2864 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2865 | number_to_chars_bigendian (f++, bm, 1); | |
2866 | number_to_chars_bigendian (f++, xb, 1); | |
2867 | ||
2868 | emit_15_bit_offset (f, 5, &exp); | |
2869 | ||
2870 | return 1; | |
2871 | ||
2872 | fail: | |
2873 | fail_line_pointer = input_line_pointer; | |
2874 | input_line_pointer = ilp; | |
2875 | return 0; | |
2876 | } | |
2877 | ||
2878 | static int | |
2879 | test_br_opr_reg_rel (const struct instruction *insn) | |
2880 | { | |
2881 | char *ilp = input_line_pointer; | |
2882 | ||
2883 | uint8_t buffer[4]; | |
2884 | int n_bytes; | |
2885 | expressionS exp; | |
8b3a46f9 | 2886 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2887 | goto fail; |
2888 | ||
2889 | if (!lex_match (',')) | |
2890 | goto fail; | |
2891 | ||
2892 | int Dn = 0; | |
2893 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) | |
2894 | goto fail; | |
2895 | ||
2896 | if (!lex_match (',')) | |
2897 | goto fail; | |
2898 | ||
2899 | uint8_t bm = 0x81; | |
2900 | bm |= Dn << 4; | |
2901 | int size = size_from_suffix (insn, 0); | |
2902 | bm |= (size -1) << 2; | |
2903 | ||
2904 | bool long_displacement; | |
2905 | ||
2906 | expressionS exp2; | |
2907 | if (! lex_15_bit_offset (&long_displacement, &exp2)) | |
2908 | goto fail; | |
2909 | ||
2910 | int n = n_bytes + (long_displacement ? 4 : 3); | |
2911 | char *f = s12z_new_insn (n); | |
2912 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2913 | number_to_chars_bigendian (f++, bm, 1); | |
2914 | f = emit_opr (f, buffer, n_bytes, &exp); | |
2915 | ||
2916 | emit_15_bit_offset (f, n, &exp2); | |
2917 | ||
2918 | return 1; | |
2919 | ||
2920 | fail: | |
2921 | fail_line_pointer = input_line_pointer; | |
2922 | input_line_pointer = ilp; | |
2923 | return 0; | |
2924 | } | |
2925 | ||
2926 | ||
2927 | static int | |
2928 | test_br_opr_imm_rel (const struct instruction *insn) | |
2929 | { | |
2930 | char *ilp = input_line_pointer; | |
2931 | ||
2932 | uint8_t buffer[4]; | |
2933 | int n_bytes; | |
2934 | expressionS exp; | |
8b3a46f9 | 2935 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
7b4ae824 JD |
2936 | goto fail; |
2937 | ||
2938 | if (!lex_match (',')) | |
2939 | goto fail; | |
2940 | ||
2941 | long imm; | |
c6f14c0d | 2942 | if (!lex_imm (&imm, NULL)) |
7b4ae824 JD |
2943 | goto fail; |
2944 | ||
2945 | if (imm < 0 || imm > 31) | |
2946 | goto fail; | |
2947 | ||
2948 | if (!lex_match (',')) | |
2949 | goto fail; | |
2950 | ||
2951 | bool long_displacement; | |
2952 | expressionS exp2; | |
2953 | if (! lex_15_bit_offset (&long_displacement, &exp2)) | |
2954 | goto fail; | |
2955 | ||
2956 | int size = size_from_suffix (insn, 0); | |
2957 | ||
2958 | uint8_t bm = 0x80; | |
2959 | bm |= (imm & 0x07) << 4; | |
2960 | bm |= (imm >> 3) & 0x03; | |
2961 | if (size == 4) | |
2962 | bm |= 0x08; | |
2963 | else if (size == 2) | |
2964 | bm |= 0x02; | |
2965 | ||
2966 | char *f = s12z_new_insn (n_bytes + (long_displacement ? 4 : 3)); | |
2967 | number_to_chars_bigendian (f++, insn->opc, 1); | |
2968 | number_to_chars_bigendian (f++, bm, 1); | |
2969 | f = emit_opr (f, buffer, n_bytes, &exp); | |
2970 | ||
2971 | emit_15_bit_offset (f, n_bytes + 4, &exp2); | |
2972 | ||
2973 | return 1; | |
2974 | ||
2975 | fail: | |
2976 | fail_line_pointer = input_line_pointer; | |
2977 | input_line_pointer = ilp; | |
2978 | return 0; | |
2979 | } | |
2980 | ||
2981 | ||
2982 | static int | |
2983 | test_br_reg_imm_rel (const struct instruction *insn) | |
2984 | { | |
2985 | char *ilp = input_line_pointer; | |
2986 | ||
2987 | int Di = 0; | |
2988 | if (!lex_reg_name (REG_BIT_Dn, &Di)) | |
2989 | goto fail; | |
2990 | ||
2991 | if (!lex_match (',')) | |
2992 | goto fail; | |
2993 | ||
2994 | long imm; | |
c6f14c0d | 2995 | if (!lex_imm (&imm, NULL)) |
7b4ae824 JD |
2996 | goto fail; |
2997 | ||
2998 | if (imm < 0 || imm > 31) | |
2999 | goto fail; | |
3000 | ||
3001 | ||
3002 | if (!lex_match (',')) | |
3003 | goto fail; | |
3004 | ||
3005 | bool long_displacement; | |
3006 | expressionS exp; | |
3007 | if (! lex_15_bit_offset (&long_displacement, &exp)) | |
3008 | goto fail; | |
3009 | ||
3010 | uint8_t bm = Di; | |
3011 | bm |= imm << 3; | |
3012 | ||
3013 | char *f = s12z_new_insn (long_displacement ? 4 : 3); | |
3014 | number_to_chars_bigendian (f++, insn->opc, 1); | |
3015 | number_to_chars_bigendian (f++, bm, 1); | |
3016 | ||
3017 | emit_15_bit_offset (f, 4, &exp); | |
3018 | ||
3019 | return 1; | |
3020 | ||
3021 | fail: | |
3022 | fail_line_pointer = input_line_pointer; | |
3023 | input_line_pointer = ilp; | |
3024 | return 0; | |
3025 | } | |
3026 | ||
3027 | ||
3028 | \f | |
3029 | ||
3030 | static const struct instruction opcodes[] = { | |
3031 | {"bgnd", 1, 0x00, no_operands, 0}, | |
3032 | {"nop", 1, 0x01, no_operands, 0}, | |
3033 | ||
3034 | {"brclr", 1, 0x02, test_br_reg_reg_rel, 0}, | |
3035 | {"brset", 1, 0x03, test_br_reg_reg_rel, 0}, | |
3036 | ||
3037 | {"brclr", 1, 0x02, test_br_reg_imm_rel, 0}, | |
3038 | {"brset", 1, 0x03, test_br_reg_imm_rel, 0}, | |
3039 | ||
3040 | {"brclr.b", 1, 0x02, test_br_opr_reg_rel, 0}, | |
3041 | {"brclr.w", 1, 0x02, test_br_opr_reg_rel, 0}, | |
3042 | {"brclr.l", 1, 0x02, test_br_opr_reg_rel, 0}, | |
3043 | ||
3044 | {"brset.b", 1, 0x03, test_br_opr_reg_rel, 0}, | |
3045 | {"brset.w", 1, 0x03, test_br_opr_reg_rel, 0}, | |
3046 | {"brset.l", 1, 0x03, test_br_opr_reg_rel, 0}, | |
3047 | ||
3048 | {"brclr.b", 1, 0x02, test_br_opr_imm_rel, 0}, | |
3049 | {"brclr.w", 1, 0x02, test_br_opr_imm_rel, 0}, | |
3050 | {"brclr.l", 1, 0x02, test_br_opr_imm_rel, 0}, | |
3051 | ||
3052 | {"brset.b", 1, 0x03, test_br_opr_imm_rel, 0}, | |
3053 | {"brset.w", 1, 0x03, test_br_opr_imm_rel, 0}, | |
3054 | {"brset.l", 1, 0x03, test_br_opr_imm_rel, 0}, | |
3055 | ||
3056 | {"psh", 1, 0x04, psh_pull, 0}, | |
3057 | {"pul", 1, 0x04, psh_pull, 0}, | |
3058 | ||
3059 | {"rts", 1, 0x05, no_operands, 0}, | |
3060 | {"lea", 1, 0x06, reg67sxy_opr, 0}, | |
3061 | ||
3062 | {"dbne", 1, 0x0b, tb_reg_rel, 0}, | |
3063 | {"dbeq", 1, 0x0b, tb_reg_rel, 0}, | |
3064 | {"dbpl", 1, 0x0b, tb_reg_rel, 0}, | |
3065 | {"dbmi", 1, 0x0b, tb_reg_rel, 0}, | |
3066 | {"dbgt", 1, 0x0b, tb_reg_rel, 0}, | |
3067 | {"dble", 1, 0x0b, tb_reg_rel, 0}, | |
3068 | ||
3069 | {"dbne.b", 1, 0x0b, tb_opr_rel, 0}, | |
3070 | {"dbeq.b", 1, 0x0b, tb_opr_rel, 0}, | |
3071 | {"dbpl.b", 1, 0x0b, tb_opr_rel, 0}, | |
3072 | {"dbmi.b", 1, 0x0b, tb_opr_rel, 0}, | |
3073 | {"dbgt.b", 1, 0x0b, tb_opr_rel, 0}, | |
3074 | {"dble.b", 1, 0x0b, tb_opr_rel, 0}, | |
3075 | ||
3076 | {"dbne.w", 1, 0x0b, tb_opr_rel, 0}, | |
3077 | {"dbeq.w", 1, 0x0b, tb_opr_rel, 0}, | |
3078 | {"dbpl.w", 1, 0x0b, tb_opr_rel, 0}, | |
3079 | {"dbmi.w", 1, 0x0b, tb_opr_rel, 0}, | |
3080 | {"dbgt.w", 1, 0x0b, tb_opr_rel, 0}, | |
3081 | {"dble.w", 1, 0x0b, tb_opr_rel, 0}, | |
3082 | ||
3083 | {"dbne.p", 1, 0x0b, tb_opr_rel, 0}, | |
3084 | {"dbeq.p", 1, 0x0b, tb_opr_rel, 0}, | |
3085 | {"dbpl.p", 1, 0x0b, tb_opr_rel, 0}, | |
3086 | {"dbmi.p", 1, 0x0b, tb_opr_rel, 0}, | |
3087 | {"dbgt.p", 1, 0x0b, tb_opr_rel, 0}, | |
3088 | {"dble.p", 1, 0x0b, tb_opr_rel, 0}, | |
3089 | ||
3090 | {"dbne.l", 1, 0x0b, tb_opr_rel, 0}, | |
3091 | {"dbeq.l", 1, 0x0b, tb_opr_rel, 0}, | |
3092 | {"dbpl.l", 1, 0x0b, tb_opr_rel, 0}, | |
3093 | {"dbmi.l", 1, 0x0b, tb_opr_rel, 0}, | |
3094 | {"dbgt.l", 1, 0x0b, tb_opr_rel, 0}, | |
3095 | {"dble.l", 1, 0x0b, tb_opr_rel, 0}, | |
3096 | ||
3097 | {"tbne", 1, 0x0b, tb_reg_rel, 0}, | |
3098 | {"tbeq", 1, 0x0b, tb_reg_rel, 0}, | |
3099 | {"tbpl", 1, 0x0b, tb_reg_rel, 0}, | |
3100 | {"tbmi", 1, 0x0b, tb_reg_rel, 0}, | |
3101 | {"tbgt", 1, 0x0b, tb_reg_rel, 0}, | |
3102 | {"tble", 1, 0x0b, tb_reg_rel, 0}, | |
3103 | ||
3104 | {"tbne.b", 1, 0x0b, tb_opr_rel, 0}, | |
3105 | {"tbeq.b", 1, 0x0b, tb_opr_rel, 0}, | |
3106 | {"tbpl.b", 1, 0x0b, tb_opr_rel, 0}, | |
3107 | {"tbmi.b", 1, 0x0b, tb_opr_rel, 0}, | |
3108 | {"tbgt.b", 1, 0x0b, tb_opr_rel, 0}, | |
3109 | {"tble.b", 1, 0x0b, tb_opr_rel, 0}, | |
3110 | ||
3111 | {"tbne.w", 1, 0x0b, tb_opr_rel, 0}, | |
3112 | {"tbeq.w", 1, 0x0b, tb_opr_rel, 0}, | |
3113 | {"tbpl.w", 1, 0x0b, tb_opr_rel, 0}, | |
3114 | {"tbmi.w", 1, 0x0b, tb_opr_rel, 0}, | |
3115 | {"tbgt.w", 1, 0x0b, tb_opr_rel, 0}, | |
3116 | {"tble.w", 1, 0x0b, tb_opr_rel, 0}, | |
3117 | ||
3118 | {"tbne.p", 1, 0x0b, tb_opr_rel, 0}, | |
3119 | {"tbeq.p", 1, 0x0b, tb_opr_rel, 0}, | |
3120 | {"tbpl.p", 1, 0x0b, tb_opr_rel, 0}, | |
3121 | {"tbmi.p", 1, 0x0b, tb_opr_rel, 0}, | |
3122 | {"tbgt.p", 1, 0x0b, tb_opr_rel, 0}, | |
3123 | {"tble.p", 1, 0x0b, tb_opr_rel, 0}, | |
3124 | ||
3125 | {"tbne.l", 1, 0x0b, tb_opr_rel, 0}, | |
3126 | {"tbeq.l", 1, 0x0b, tb_opr_rel, 0}, | |
3127 | {"tbpl.l", 1, 0x0b, tb_opr_rel, 0}, | |
3128 | {"tbmi.l", 1, 0x0b, tb_opr_rel, 0}, | |
3129 | {"tbgt.l", 1, 0x0b, tb_opr_rel, 0}, | |
3130 | {"tble.l", 1, 0x0b, tb_opr_rel, 0}, | |
3131 | ||
3132 | {"mov.b", 1, 0x0c, imm_opr, 0}, | |
3133 | {"mov.w", 1, 0x0d, imm_opr, 0}, | |
3134 | {"mov.p", 1, 0x0e, imm_opr, 0}, | |
3135 | {"mov.l", 1, 0x0f, imm_opr, 0}, | |
3136 | ||
3137 | {"rol", 1, 0x10, rol, 0}, | |
3138 | {"rol.b", 1, 0x10, rol, 0}, | |
3139 | {"rol.w", 1, 0x10, rol, 0}, | |
3140 | {"rol.p", 1, 0x10, rol, 0}, | |
3141 | {"rol.l", 1, 0x10, rol, 0}, | |
3142 | ||
3143 | {"ror", 1, 0x10, ror, 0}, | |
3144 | {"ror.b", 1, 0x10, ror, 0}, | |
3145 | {"ror.w", 1, 0x10, ror, 0}, | |
3146 | {"ror.p", 1, 0x10, ror, 0}, | |
3147 | {"ror.l", 1, 0x10, ror, 0}, | |
3148 | ||
3149 | {"lsl", 1, 0x10, shift_reg, 0}, | |
3150 | {"lsr", 1, 0x10, shift_reg, 0}, | |
3151 | {"asl", 1, 0x10, shift_reg, 0}, | |
3152 | {"asr", 1, 0x10, shift_reg, 0}, | |
3153 | ||
3154 | {"lsl.b", 1, 0x10, shift_two_operand, 0}, | |
3155 | {"lsl.w", 1, 0x10, shift_two_operand, 0}, | |
3156 | {"lsl.p", 1, 0x10, shift_two_operand, 0}, | |
3157 | {"lsl.l", 1, 0x10, shift_two_operand, 0}, | |
3158 | {"asl.b", 1, 0x10, shift_two_operand, 0}, | |
3159 | {"asl.w", 1, 0x10, shift_two_operand, 0}, | |
3160 | {"asl.p", 1, 0x10, shift_two_operand, 0}, | |
3161 | {"asl.l", 1, 0x10, shift_two_operand, 0}, | |
3162 | ||
3163 | {"lsr.b", 1, 0x10, shift_two_operand, 0}, | |
3164 | {"lsr.w", 1, 0x10, shift_two_operand, 0}, | |
3165 | {"lsr.p", 1, 0x10, shift_two_operand, 0}, | |
3166 | {"lsr.l", 1, 0x10, shift_two_operand, 0}, | |
3167 | {"asr.b", 1, 0x10, shift_two_operand, 0}, | |
3168 | {"asr.w", 1, 0x10, shift_two_operand, 0}, | |
3169 | {"asr.p", 1, 0x10, shift_two_operand, 0}, | |
3170 | {"asr.l", 1, 0x10, shift_two_operand, 0}, | |
3171 | ||
3172 | {"lsl.b", 1, 0x10, shift_opr_imm, 0}, | |
3173 | {"lsl.w", 1, 0x10, shift_opr_imm, 0}, | |
3174 | {"lsl.p", 1, 0x10, shift_opr_imm, 0}, | |
3175 | {"lsl.l", 1, 0x10, shift_opr_imm, 0}, | |
3176 | {"asl.b", 1, 0x10, shift_opr_imm, 0}, | |
3177 | {"asl.w", 1, 0x10, shift_opr_imm, 0}, | |
3178 | {"asl.p", 1, 0x10, shift_opr_imm, 0}, | |
3179 | {"asl.l", 1, 0x10, shift_opr_imm, 0}, | |
3180 | ||
3181 | {"lsr.b", 1, 0x10, shift_opr_imm, 0}, | |
3182 | {"lsr.w", 1, 0x10, shift_opr_imm, 0}, | |
3183 | {"lsr.p", 1, 0x10, shift_opr_imm, 0}, | |
3184 | {"lsr.l", 1, 0x10, shift_opr_imm, 0}, | |
3185 | {"asr.b", 1, 0x10, shift_opr_imm, 0}, | |
3186 | {"asr.w", 1, 0x10, shift_opr_imm, 0}, | |
3187 | {"asr.p", 1, 0x10, shift_opr_imm, 0}, | |
3188 | {"asr.l", 1, 0x10, shift_opr_imm, 0}, | |
3189 | ||
3190 | {"mov.b", 1, 0x1c, opr_opr, 0}, | |
3191 | {"mov.w", 1, 0x1d, opr_opr, 0}, | |
3192 | {"mov.p", 1, 0x1e, opr_opr, 0}, | |
3193 | {"mov.l", 1, 0x1f, opr_opr, 0}, | |
3194 | ||
3195 | {"bra", 1, 0x20, rel, 0}, | |
3196 | {"bsr", 1, 0x21, rel, 0}, | |
3197 | {"bhi", 1, 0x22, rel, 0}, | |
3198 | {"bls", 1, 0x23, rel, 0}, | |
3199 | {"bcc", 1, 0x24, rel, 0}, | |
51534d7a | 3200 | {"bhs", 1, 0x24, rel, 0}, /* Alias for bcc */ |
7b4ae824 | 3201 | {"bcs", 1, 0x25, rel, 0}, |
51534d7a | 3202 | {"blo", 1, 0x25, rel, 0}, /* Alias for bcs */ |
7b4ae824 JD |
3203 | {"bne", 1, 0x26, rel, 0}, |
3204 | {"beq", 1, 0x27, rel, 0}, | |
3205 | {"bvc", 1, 0x28, rel, 0}, | |
3206 | {"bvs", 1, 0x29, rel, 0}, | |
3207 | {"bpl", 1, 0x2a, rel, 0}, | |
3208 | {"bmi", 1, 0x2b, rel, 0}, | |
3209 | {"bge", 1, 0x2c, rel, 0}, | |
3210 | {"blt", 1, 0x2d, rel, 0}, | |
3211 | {"bgt", 1, 0x2e, rel, 0}, | |
3212 | {"ble", 1, 0x2f, rel, 0}, | |
3213 | ||
3214 | {"inc", 1, 0x30, reg_inh, 0}, | |
3215 | {"clr", 1, 0x38, reg_inh, 0}, | |
3216 | {"dec", 1, 0x40, reg_inh, 0}, | |
3217 | ||
3218 | {"muls", 1, 0x48, mul_reg_reg_reg, 0}, | |
3219 | {"mulu", 1, 0x48, mul_reg_reg_reg, 0}, | |
3220 | ||
3221 | {"muls.b", 1, 0x48, mul_reg_reg_opr, 0}, | |
3222 | {"muls.w", 1, 0x48, mul_reg_reg_opr, 0}, | |
3223 | {"muls.l", 1, 0x48, mul_reg_reg_opr, 0}, | |
3224 | ||
3225 | {"mulu.b", 1, 0x48, mul_reg_reg_opr, 0}, | |
3226 | {"mulu.w", 1, 0x48, mul_reg_reg_opr, 0}, | |
3227 | {"mulu.l", 1, 0x48, mul_reg_reg_opr, 0}, | |
3228 | ||
3229 | {"muls.b", 1, 0x48, mul_reg_reg_imm, 0}, | |
3230 | {"muls.w", 1, 0x48, mul_reg_reg_imm, 0}, | |
3231 | {"muls.l", 1, 0x48, mul_reg_reg_imm, 0}, | |
3232 | ||
3233 | {"mulu.b", 1, 0x48, mul_reg_reg_imm, 0}, | |
3234 | {"mulu.w", 1, 0x48, mul_reg_reg_imm, 0}, | |
3235 | {"mulu.l", 1, 0x48, mul_reg_reg_imm, 0}, | |
3236 | ||
3237 | {"muls.bb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3238 | {"muls.bw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3239 | {"muls.bp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3240 | {"muls.bl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3241 | ||
3242 | {"muls.wb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3243 | {"muls.ww", 1, 0x48, mul_reg_opr_opr, 0}, | |
3244 | {"muls.wp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3245 | {"muls.wl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3246 | ||
3247 | {"muls.pb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3248 | {"muls.pw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3249 | {"muls.pp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3250 | {"muls.pl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3251 | ||
3252 | {"muls.lb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3253 | {"muls.lw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3254 | {"muls.lp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3255 | {"muls.ll", 1, 0x48, mul_reg_opr_opr, 0}, | |
3256 | ||
3257 | {"mulu.bb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3258 | {"mulu.bw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3259 | {"mulu.bp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3260 | {"mulu.bl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3261 | ||
3262 | {"mulu.wb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3263 | {"mulu.ww", 1, 0x48, mul_reg_opr_opr, 0}, | |
3264 | {"mulu.wp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3265 | {"mulu.wl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3266 | ||
3267 | {"mulu.pb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3268 | {"mulu.pw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3269 | {"mulu.pp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3270 | {"mulu.pl", 1, 0x48, mul_reg_opr_opr, 0}, | |
3271 | ||
3272 | {"mulu.lb", 1, 0x48, mul_reg_opr_opr, 0}, | |
3273 | {"mulu.lw", 1, 0x48, mul_reg_opr_opr, 0}, | |
3274 | {"mulu.lp", 1, 0x48, mul_reg_opr_opr, 0}, | |
3275 | {"mulu.ll", 1, 0x48, mul_reg_opr_opr, 0}, | |
3276 | ||
3277 | {"add", 1, 0x50, regd_imm, 0}, | |
3278 | {"and", 1, 0x58, regd_imm, 0}, | |
3279 | ||
3280 | {"add", 1, 0x60, regd_opr, 0}, | |
3281 | {"and", 1, 0x68, regd_opr, 0}, | |
3282 | ||
3283 | {"sub", 1, 0x70, regd_imm, 0}, | |
3284 | {"or", 1, 0x78, regd_imm, 0}, | |
3285 | ||
3286 | {"sub", 1, 0x80, regd_opr, 0}, | |
3287 | {"or", 1, 0x88, regd_opr, 0}, | |
3288 | ||
3289 | {"ld", 1, 0x90, regdxy_imm, 0}, | |
3290 | ||
3291 | {"clr", 1, 0x9a, clr_xy, 0}, | |
3292 | {"tfr", 1, 0x9e, tfr, 0}, | |
3293 | {"zex", 1, 0x9e, tfr, 0}, | |
3294 | ||
8b3a46f9 | 3295 | {"ld", 1, 0xa0, regdxy_opr_src, 0xb0}, |
7b4ae824 JD |
3296 | |
3297 | {"jmp", 1, 0xaa, opr, 0xba}, | |
3298 | {"jsr", 1, 0xab, opr, 0xbb}, | |
3299 | ||
3300 | {"exg", 1, 0xae, tfr, 0}, | |
3301 | {"sex", 1, 0xae, tfr, 0}, | |
3302 | ||
8b3a46f9 | 3303 | {"st", 1, 0xc0, regdxy_opr_dest, 0xd0}, |
7b4ae824 JD |
3304 | |
3305 | {"andcc", 1, 0xce, imm8, 0}, | |
3306 | {"orcc", 1, 0xde, imm8, 0}, | |
3307 | ||
3308 | {"inc.b", 1, 0x9c, opr, 0}, | |
3309 | {"inc.w", 1, 0x9d, opr, 0}, | |
3310 | {"inc.l", 1, 0x9f, opr, 0}, | |
3311 | ||
3312 | {"dec.b", 1, 0xac, opr, 0}, | |
3313 | {"dec.w", 1, 0xad, opr, 0}, | |
3314 | {"dec.l", 1, 0xaf, opr, 0}, | |
3315 | ||
3316 | {"clr.b", 1, 0xbc, opr, 0}, | |
3317 | {"clr.w", 1, 0xbd, opr, 0}, | |
3318 | {"clr.p", 1, 0xbe, opr, 0}, | |
3319 | {"clr.l", 1, 0xbf, opr, 0}, | |
3320 | ||
3321 | {"com.b", 1, 0xcc, opr, 0}, | |
3322 | {"com.w", 1, 0xcd, opr, 0}, | |
3323 | {"com.l", 1, 0xcf, opr, 0}, | |
3324 | ||
3325 | {"neg.b", 1, 0xdc, opr, 0}, | |
3326 | {"neg.w", 1, 0xdd, opr, 0}, | |
3327 | {"neg.l", 1, 0xdf, opr, 0}, | |
3328 | ||
3329 | {"bclr", 1, 0xec, bm_regd_imm, 0}, | |
3330 | {"bset", 1, 0xed, bm_regd_imm, 0}, | |
3331 | {"btgl", 1, 0xee, bm_regd_imm, 0}, | |
3332 | ||
3333 | {"bclr", 1, 0xec, bm_regd_reg, 0}, | |
3334 | {"bset", 1, 0xed, bm_regd_reg, 0}, | |
3335 | {"btgl", 1, 0xee, bm_regd_reg, 0}, | |
3336 | ||
3337 | {"bclr.b", 1, 0xec, bm_opr_imm, 0}, | |
3338 | {"bclr.w", 1, 0xec, bm_opr_imm, 0}, | |
3339 | {"bclr.l", 1, 0xec, bm_opr_imm, 0}, | |
3340 | ||
3341 | {"bset.b", 1, 0xed, bm_opr_imm, 0}, | |
3342 | {"bset.w", 1, 0xed, bm_opr_imm, 0}, | |
3343 | {"bset.l", 1, 0xed, bm_opr_imm, 0}, | |
3344 | ||
3345 | {"btgl.b", 1, 0xee, bm_opr_imm, 0}, | |
3346 | {"btgl.w", 1, 0xee, bm_opr_imm, 0}, | |
3347 | {"btgl.l", 1, 0xee, bm_opr_imm, 0}, | |
3348 | ||
3349 | {"bclr.b", 1, 0xec, bm_opr_reg, 0}, | |
3350 | {"bclr.w", 1, 0xec, bm_opr_reg, 0}, | |
3351 | {"bclr.l", 1, 0xec, bm_opr_reg, 0}, | |
3352 | ||
3353 | {"bset.b", 1, 0xed, bm_opr_reg, 0}, | |
3354 | {"bset.w", 1, 0xed, bm_opr_reg, 0}, | |
3355 | {"bset.l", 1, 0xed, bm_opr_reg, 0}, | |
3356 | ||
3357 | {"btgl.b", 1, 0xee, bm_opr_reg, 0}, | |
3358 | {"btgl.w", 1, 0xee, bm_opr_reg, 0}, | |
3359 | {"btgl.l", 1, 0xee, bm_opr_reg, 0}, | |
3360 | ||
3361 | {"cmp", 1, 0xe0, regdxy_imm, 0}, | |
8b3a46f9 | 3362 | {"cmp", 1, 0xf0, regdxy_opr_src, 0}, |
7b4ae824 JD |
3363 | |
3364 | {"cmp", 1, 0xfc, regx_regy, 0}, | |
3365 | {"sub", 1, 0xfd, regd6_regx_regy, 0}, | |
3366 | {"sub", 1, 0xfe, regd6_regy_regx, 0}, | |
3367 | ||
3368 | {"swi", 1, 0xff, no_operands, 0}, | |
3369 | ||
3370 | /* Page 2 */ | |
3371 | ||
3372 | /* The -10 below is a kludge. The opcode is in fact 0x00 */ | |
8b3a46f9 | 3373 | {"ld", 2, -10, regs_opr_src, 0}, |
7b4ae824 JD |
3374 | |
3375 | /* The -9 below is a kludge. The opcode is in fact 0x01 */ | |
8b3a46f9 | 3376 | {"st", 2, -9, regs_opr_dest, 0}, |
7b4ae824 JD |
3377 | |
3378 | /* The -8 below is a kludge. The opcode is in fact 0x02 */ | |
8b3a46f9 | 3379 | {"cmp", 2, -8, regs_opr_src, 0}, |
7b4ae824 JD |
3380 | |
3381 | /* The -7 below is a kludge. The opcode is in fact 0x03 */ | |
3382 | {"ld", 2, -7, regs_imm, 0}, | |
3383 | ||
3384 | /* The -6 below is a kludge. The opcode is in fact 0x04 */ | |
3385 | {"cmp", 2, -6, regs_imm, 0}, | |
3386 | ||
3387 | {"bfext", 2, 0x08, bfe_reg_reg_reg, 0}, | |
3388 | {"bfext", 2, 0x08, bfe_reg_reg_imm, 0}, | |
3389 | {"bfext.b", 2, 0x08, bfe_reg_opr_reg, 0}, | |
3390 | {"bfext.w", 2, 0x08, bfe_reg_opr_reg, 0}, | |
3391 | {"bfext.p", 2, 0x08, bfe_reg_opr_reg, 0}, | |
3392 | {"bfext.l", 2, 0x08, bfe_reg_opr_reg, 0}, | |
3393 | {"bfext.b", 2, 0x08, bfe_opr_reg_reg, 0}, | |
3394 | {"bfext.w", 2, 0x08, bfe_opr_reg_reg, 0}, | |
3395 | {"bfext.p", 2, 0x08, bfe_opr_reg_reg, 0}, | |
3396 | {"bfext.l", 2, 0x08, bfe_opr_reg_reg, 0}, | |
3397 | {"bfext.b", 2, 0x08, bfe_reg_opr_imm, 0}, | |
3398 | {"bfext.w", 2, 0x08, bfe_reg_opr_imm, 0}, | |
3399 | {"bfext.p", 2, 0x08, bfe_reg_opr_imm, 0}, | |
3400 | {"bfext.l", 2, 0x08, bfe_reg_opr_imm, 0}, | |
3401 | {"bfext.b", 2, 0x08, bfe_opr_reg_imm, 0}, | |
3402 | {"bfext.w", 2, 0x08, bfe_opr_reg_imm, 0}, | |
3403 | {"bfext.p", 2, 0x08, bfe_opr_reg_imm, 0}, | |
3404 | {"bfext.l", 2, 0x08, bfe_opr_reg_imm, 0}, | |
3405 | ||
3406 | ||
3407 | {"bfins", 2, 0x08, bfi_reg_reg_reg, 0}, | |
3408 | {"bfins", 2, 0x08, bfi_reg_reg_imm, 0}, | |
3409 | {"bfins.b", 2, 0x08, bfi_reg_opr_reg, 0}, | |
3410 | {"bfins.w", 2, 0x08, bfi_reg_opr_reg, 0}, | |
3411 | {"bfins.p", 2, 0x08, bfi_reg_opr_reg, 0}, | |
3412 | {"bfins.l", 2, 0x08, bfi_reg_opr_reg, 0}, | |
3413 | {"bfins.b", 2, 0x08, bfi_opr_reg_reg, 0}, | |
3414 | {"bfins.w", 2, 0x08, bfi_opr_reg_reg, 0}, | |
3415 | {"bfins.p", 2, 0x08, bfi_opr_reg_reg, 0}, | |
3416 | {"bfins.l", 2, 0x08, bfi_opr_reg_reg, 0}, | |
3417 | {"bfins.b", 2, 0x08, bfi_reg_opr_imm, 0}, | |
3418 | {"bfins.w", 2, 0x08, bfi_reg_opr_imm, 0}, | |
3419 | {"bfins.p", 2, 0x08, bfi_reg_opr_imm, 0}, | |
3420 | {"bfins.l", 2, 0x08, bfi_reg_opr_imm, 0}, | |
3421 | {"bfins.b", 2, 0x08, bfi_opr_reg_imm, 0}, | |
3422 | {"bfins.w", 2, 0x08, bfi_opr_reg_imm, 0}, | |
3423 | {"bfins.p", 2, 0x08, bfi_opr_reg_imm, 0}, | |
3424 | {"bfins.l", 2, 0x08, bfi_opr_reg_imm, 0}, | |
3425 | ||
3426 | ||
3427 | {"minu", 2, 0x10, regd_opr, 0}, | |
3428 | {"maxu", 2, 0x18, regd_opr, 0}, | |
3429 | {"mins", 2, 0x20, regd_opr, 0}, | |
3430 | {"maxs", 2, 0x28, regd_opr, 0}, | |
3431 | ||
3432 | {"clb", 2, 0x91, tfr, 0}, | |
3433 | ||
3434 | {"trap", 2, 0x00, trap_imm, 0}, | |
3435 | {"abs", 2, 0x40, reg_inh, 0}, | |
3436 | {"sat", 2, 0xa0, reg_inh, 0}, | |
3437 | ||
3438 | {"rti", 2, 0x90, no_operands, 0}, | |
3439 | {"stop", 2, 0x05, no_operands, 0}, | |
3440 | {"wai", 2, 0x06, no_operands, 0}, | |
3441 | {"sys", 2, 0x07, no_operands, 0}, | |
3442 | ||
3443 | {"bit", 2, 0x58, regd_imm, 0}, | |
3444 | {"bit", 2, 0x68, regd_opr, 0}, | |
3445 | ||
3446 | {"adc", 2, 0x50, regd_imm, 0}, | |
3447 | {"adc", 2, 0x60, regd_opr, 0}, | |
3448 | ||
3449 | {"sbc", 2, 0x70, regd_imm, 0}, | |
3450 | {"eor", 2, 0x78, regd_imm, 0}, | |
3451 | ||
3452 | {"sbc", 2, 0x80, regd_opr, 0}, | |
3453 | {"eor", 2, 0x88, regd_opr, 0}, | |
3454 | ||
3455 | {"divs", 2, 0x30, mul_reg_reg_reg, 0}, | |
3456 | {"divu", 2, 0x30, mul_reg_reg_reg, 0}, | |
3457 | ||
3458 | {"divs.b", 2, 0x30, mul_reg_reg_opr, 0}, | |
3459 | {"divs.w", 2, 0x30, mul_reg_reg_opr, 0}, | |
3460 | {"divs.l", 2, 0x30, mul_reg_reg_opr, 0}, | |
3461 | ||
3462 | {"divu.b", 2, 0x30, mul_reg_reg_opr, 0}, | |
3463 | {"divu.w", 2, 0x30, mul_reg_reg_opr, 0}, | |
3464 | {"divu.l", 2, 0x30, mul_reg_reg_opr, 0}, | |
3465 | ||
3466 | {"divs.b", 2, 0x30, mul_reg_reg_imm, 0}, | |
3467 | {"divs.w", 2, 0x30, mul_reg_reg_imm, 0}, | |
3468 | {"divs.l", 2, 0x30, mul_reg_reg_imm, 0}, | |
3469 | ||
3470 | {"divu.b", 2, 0x30, mul_reg_reg_imm, 0}, | |
3471 | {"divu.w", 2, 0x30, mul_reg_reg_imm, 0}, | |
3472 | {"divu.l", 2, 0x30, mul_reg_reg_imm, 0}, | |
3473 | ||
3474 | {"divs.bb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3475 | {"divs.bw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3476 | {"divs.bp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3477 | {"divs.bl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3478 | ||
3479 | {"divs.wb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3480 | {"divs.ww", 2, 0x30, mul_reg_opr_opr, 0}, | |
3481 | {"divs.wp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3482 | {"divs.wl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3483 | ||
3484 | {"divs.pb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3485 | {"divs.pw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3486 | {"divs.pp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3487 | {"divs.pl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3488 | ||
3489 | {"divs.lb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3490 | {"divs.lw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3491 | {"divs.lp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3492 | {"divs.ll", 2, 0x30, mul_reg_opr_opr, 0}, | |
3493 | ||
3494 | {"divu.bb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3495 | {"divu.bw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3496 | {"divu.bp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3497 | {"divu.bl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3498 | ||
3499 | {"divu.wb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3500 | {"divu.ww", 2, 0x30, mul_reg_opr_opr, 0}, | |
3501 | {"divu.wp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3502 | {"divu.wl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3503 | ||
3504 | {"divu.pb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3505 | {"divu.pw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3506 | {"divu.pp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3507 | {"divu.pl", 2, 0x30, mul_reg_opr_opr, 0}, | |
3508 | ||
3509 | {"divu.lb", 2, 0x30, mul_reg_opr_opr, 0}, | |
3510 | {"divu.lw", 2, 0x30, mul_reg_opr_opr, 0}, | |
3511 | {"divu.lp", 2, 0x30, mul_reg_opr_opr, 0}, | |
3512 | {"divu.ll", 2, 0x30, mul_reg_opr_opr, 0}, | |
3513 | ||
3514 | // | |
3515 | ||
3516 | {"qmuls", 2, 0xb0, mul_reg_reg_reg, 0}, | |
3517 | {"qmulu", 2, 0xb0, mul_reg_reg_reg, 0}, | |
3518 | ||
3519 | {"qmuls.b", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3520 | {"qmuls.w", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3521 | {"qmuls.l", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3522 | ||
3523 | {"qmulu.b", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3524 | {"qmulu.w", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3525 | {"qmulu.l", 2, 0xb0, mul_reg_reg_opr, 0}, | |
3526 | ||
3527 | {"qmuls.b", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3528 | {"qmuls.w", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3529 | {"qmuls.l", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3530 | ||
3531 | {"qmulu.b", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3532 | {"qmulu.w", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3533 | {"qmulu.l", 2, 0xb0, mul_reg_reg_imm, 0}, | |
3534 | ||
3535 | {"qmuls.bb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3536 | {"qmuls.bw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3537 | {"qmuls.bp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3538 | {"qmuls.bl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3539 | ||
3540 | {"qmuls.wb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3541 | {"qmuls.ww", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3542 | {"qmuls.wp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3543 | {"qmuls.wl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3544 | ||
3545 | {"qmuls.pb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3546 | {"qmuls.pw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3547 | {"qmuls.pp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3548 | {"qmuls.pl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3549 | ||
3550 | {"qmuls.lb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3551 | {"qmuls.lw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3552 | {"qmuls.lp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3553 | {"qmuls.ll", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3554 | ||
3555 | {"qmulu.bb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3556 | {"qmulu.bw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3557 | {"qmulu.bp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3558 | {"qmulu.bl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3559 | ||
3560 | {"qmulu.wb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3561 | {"qmulu.ww", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3562 | {"qmulu.wp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3563 | {"qmulu.wl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3564 | ||
3565 | {"qmulu.pb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3566 | {"qmulu.pw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3567 | {"qmulu.pp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3568 | {"qmulu.pl", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3569 | ||
3570 | {"qmulu.lb", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3571 | {"qmulu.lw", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3572 | {"qmulu.lp", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3573 | {"qmulu.ll", 2, 0xb0, mul_reg_opr_opr, 0}, | |
3574 | ||
3575 | ||
3576 | // | |
3577 | ||
3578 | {"macs", 2, 0x48, mul_reg_reg_reg, 0}, | |
3579 | {"macu", 2, 0x48, mul_reg_reg_reg, 0}, | |
3580 | ||
3581 | {"macs.b", 2, 0x48, mul_reg_reg_opr, 0}, | |
3582 | {"macs.w", 2, 0x48, mul_reg_reg_opr, 0}, | |
3583 | {"macs.l", 2, 0x48, mul_reg_reg_opr, 0}, | |
3584 | ||
3585 | {"macu.b", 2, 0x48, mul_reg_reg_opr, 0}, | |
3586 | {"macu.w", 2, 0x48, mul_reg_reg_opr, 0}, | |
3587 | {"macu.l", 2, 0x48, mul_reg_reg_opr, 0}, | |
3588 | ||
3589 | {"macs.b", 2, 0x48, mul_reg_reg_imm, 0}, | |
3590 | {"macs.w", 2, 0x48, mul_reg_reg_imm, 0}, | |
3591 | {"macs.l", 2, 0x48, mul_reg_reg_imm, 0}, | |
3592 | ||
3593 | {"macu.b", 2, 0x48, mul_reg_reg_imm, 0}, | |
3594 | {"macu.w", 2, 0x48, mul_reg_reg_imm, 0}, | |
3595 | {"macu.l", 2, 0x48, mul_reg_reg_imm, 0}, | |
3596 | ||
3597 | {"macs.bb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3598 | {"macs.bw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3599 | {"macs.bp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3600 | {"macs.bl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3601 | ||
3602 | {"macs.wb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3603 | {"macs.ww", 2, 0x48, mul_reg_opr_opr, 0}, | |
3604 | {"macs.wp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3605 | {"macs.wl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3606 | ||
3607 | {"macs.pb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3608 | {"macs.pw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3609 | {"macs.pp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3610 | {"macs.pl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3611 | ||
3612 | {"macs.lb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3613 | {"macs.lw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3614 | {"macs.lp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3615 | {"macs.ll", 2, 0x48, mul_reg_opr_opr, 0}, | |
3616 | ||
3617 | {"macu.bb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3618 | {"macu.bw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3619 | {"macu.bp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3620 | {"macu.bl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3621 | ||
3622 | {"macu.wb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3623 | {"macu.ww", 2, 0x48, mul_reg_opr_opr, 0}, | |
3624 | {"macu.wp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3625 | {"macu.wl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3626 | ||
3627 | {"macu.pb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3628 | {"macu.pw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3629 | {"macu.pp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3630 | {"macu.pl", 2, 0x48, mul_reg_opr_opr, 0}, | |
3631 | ||
3632 | {"macu.lb", 2, 0x48, mul_reg_opr_opr, 0}, | |
3633 | {"macu.lw", 2, 0x48, mul_reg_opr_opr, 0}, | |
3634 | {"macu.lp", 2, 0x48, mul_reg_opr_opr, 0}, | |
3635 | {"macu.ll", 2, 0x48, mul_reg_opr_opr, 0}, | |
3636 | ||
3637 | ||
3638 | // | |
3639 | ||
3640 | {"mods", 2, 0x38, mul_reg_reg_reg, 0}, | |
3641 | {"modu", 2, 0x38, mul_reg_reg_reg, 0}, | |
3642 | ||
3643 | {"mods.b", 2, 0x38, mul_reg_reg_opr, 0}, | |
3644 | {"mods.w", 2, 0x38, mul_reg_reg_opr, 0}, | |
3645 | {"mods.l", 2, 0x38, mul_reg_reg_opr, 0}, | |
3646 | ||
3647 | {"modu.b", 2, 0x38, mul_reg_reg_opr, 0}, | |
3648 | {"modu.w", 2, 0x38, mul_reg_reg_opr, 0}, | |
3649 | {"modu.l", 2, 0x38, mul_reg_reg_opr, 0}, | |
3650 | ||
3651 | {"mods.b", 2, 0x38, mul_reg_reg_imm, 0}, | |
3652 | {"mods.w", 2, 0x38, mul_reg_reg_imm, 0}, | |
3653 | {"mods.l", 2, 0x38, mul_reg_reg_imm, 0}, | |
3654 | ||
3655 | {"modu.b", 2, 0x38, mul_reg_reg_imm, 0}, | |
3656 | {"modu.w", 2, 0x38, mul_reg_reg_imm, 0}, | |
3657 | {"modu.l", 2, 0x38, mul_reg_reg_imm, 0}, | |
3658 | ||
3659 | {"mods.bb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3660 | {"mods.bw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3661 | {"mods.bp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3662 | {"mods.bl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3663 | ||
3664 | {"mods.wb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3665 | {"mods.ww", 2, 0x38, mul_reg_opr_opr, 0}, | |
3666 | {"mods.wp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3667 | {"mods.wl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3668 | ||
3669 | {"mods.pb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3670 | {"mods.pw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3671 | {"mods.pp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3672 | {"mods.pl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3673 | ||
3674 | {"mods.lb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3675 | {"mods.lw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3676 | {"mods.lp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3677 | {"mods.ll", 2, 0x38, mul_reg_opr_opr, 0}, | |
3678 | ||
3679 | {"modu.bb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3680 | {"modu.bw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3681 | {"modu.bp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3682 | {"modu.bl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3683 | ||
3684 | {"modu.wb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3685 | {"modu.ww", 2, 0x38, mul_reg_opr_opr, 0}, | |
3686 | {"modu.wp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3687 | {"modu.wl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3688 | ||
3689 | {"modu.pb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3690 | {"modu.pw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3691 | {"modu.pp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3692 | {"modu.pl", 2, 0x38, mul_reg_opr_opr, 0}, | |
3693 | ||
3694 | {"modu.lb", 2, 0x38, mul_reg_opr_opr, 0}, | |
3695 | {"modu.lw", 2, 0x38, mul_reg_opr_opr, 0}, | |
3696 | {"modu.lp", 2, 0x38, mul_reg_opr_opr, 0}, | |
3697 | {"modu.ll", 2, 0x38, mul_reg_opr_opr, 0} | |
3698 | }; | |
3699 | ||
3700 | \f | |
3701 | /* Gas line assembler entry point. */ | |
3702 | ||
3703 | /* This is the main entry point for the machine-dependent assembler. str | |
3704 | points to a machine-dependent instruction. This function is supposed to | |
3705 | emit the frags/bytes it assembles to. */ | |
3706 | void | |
3707 | md_assemble (char *str) | |
3708 | { | |
3709 | char *op_start; | |
3710 | char *op_end; | |
3711 | char name[20]; | |
3712 | size_t nlen = 0; | |
3713 | ||
3714 | fail_line_pointer = NULL; | |
3715 | ||
3716 | /* Find the opcode end and get the opcode in 'name'. The opcode is forced | |
3717 | lower case (the opcode table only has lower case op-codes). */ | |
3718 | for (op_start = op_end = str; | |
3719 | *op_end && !is_end_of_line[(int)*op_end] && *op_end != ' '; | |
3720 | op_end++) | |
3721 | { | |
3722 | name[nlen] = TOLOWER (op_start[nlen]); | |
3723 | nlen++; | |
3724 | gas_assert (nlen < sizeof (name) - 1); | |
3725 | } | |
3726 | name[nlen] = 0; | |
3727 | ||
3728 | if (nlen == 0) | |
3729 | { | |
3730 | as_bad (_("No instruction or missing opcode.")); | |
3731 | return; | |
3732 | } | |
3733 | ||
3734 | input_line_pointer = skip_whites (op_end); | |
3735 | ||
3736 | size_t i; | |
3737 | for (i = 0; i < sizeof (opcodes) / sizeof (opcodes[0]); ++i) | |
3738 | { | |
3739 | const struct instruction *opc = opcodes + i; | |
3740 | if (0 == strcmp (name, opc->name)) | |
3741 | { | |
3742 | if (opc->parse_operands (opc)) | |
3743 | return; | |
3744 | continue; | |
3745 | } | |
3746 | } | |
3747 | ||
3748 | as_bad (_("Invalid instruction: \"%s\""), str); | |
3749 | as_bad (_("First invalid token: \"%s\""), fail_line_pointer); | |
3750 | while (*input_line_pointer++) | |
3751 | ; | |
3752 | } | |
3753 | ||
3754 | \f | |
3755 | ||
3756 | ||
3757 | \f | |
3758 | /* Relocation, relaxation and frag conversions. */ | |
3759 | ||
3760 | /* PC-relative offsets are relative to the start of the | |
3761 | next instruction. That is, the address of the offset, plus its | |
3762 | size, since the offset is always the last part of the insn. */ | |
3763 | long | |
3764 | md_pcrel_from (fixS *fixP) | |
3765 | { | |
3766 | long ret = fixP->fx_size + fixP->fx_frag->fr_address; | |
3767 | if (fixP->fx_addsy && S_IS_DEFINED (fixP->fx_addsy)) | |
3768 | ret += fixP->fx_where; | |
3769 | ||
3770 | return ret; | |
3771 | } | |
3772 | ||
3773 | ||
3774 | /* We need a port-specific relaxation function to cope with sym2 - sym1 | |
3775 | relative expressions with both symbols in the same segment (but not | |
3776 | necessarily in the same frag as this insn), for example: | |
3777 | ldab sym2-(sym1-2),pc | |
3778 | sym1: | |
3779 | The offset can be 5, 9 or 16 bits long. */ | |
3780 | ||
3781 | long | |
3782 | s12z_relax_frag (segT seg ATTRIBUTE_UNUSED, fragS *fragP ATTRIBUTE_UNUSED, | |
3783 | long stretch ATTRIBUTE_UNUSED) | |
3784 | { | |
3785 | return 0; | |
3786 | } | |
3787 | ||
3788 | void | |
3789 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, asection *sec ATTRIBUTE_UNUSED, | |
3790 | fragS *fragP ATTRIBUTE_UNUSED) | |
3791 | { | |
3792 | } | |
3793 | ||
3794 | /* On an ELF system, we can't relax a weak symbol. The weak symbol | |
3795 | can be overridden at final link time by a non weak symbol. We can | |
3796 | relax externally visible symbol because there is no shared library | |
3797 | and such symbol can't be overridden (unless they are weak). */ | |
3798 | ||
3799 | /* Force truly undefined symbols to their maximum size, and generally set up | |
3800 | the frag list to be relaxed. */ | |
3801 | int | |
3802 | md_estimate_size_before_relax (fragS *fragP ATTRIBUTE_UNUSED, asection *segment ATTRIBUTE_UNUSED) | |
3803 | { | |
3804 | return 0; | |
3805 | } | |
3806 | ||
3807 | ||
3808 | /* If while processing a fixup, a reloc really needs to be created | |
3809 | then it is done here. */ | |
3810 | arelent * | |
3811 | tc_gen_reloc (asection *section, fixS *fixp) | |
3812 | { | |
3813 | arelent *reloc = XNEW (arelent); | |
3814 | reloc->sym_ptr_ptr = XNEW (asymbol *); | |
3815 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
3816 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
3817 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
3818 | if (reloc->howto == (reloc_howto_type *) NULL) | |
3819 | { | |
3820 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
3821 | _("Relocation %d is not supported by object file format."), | |
3822 | (int) fixp->fx_r_type); | |
3823 | return NULL; | |
3824 | } | |
3825 | ||
3826 | if (0 == (section->flags & SEC_CODE)) | |
3827 | reloc->addend = fixp->fx_offset; | |
3828 | else | |
3829 | reloc->addend = fixp->fx_addnumber; | |
3830 | ||
3831 | return reloc; | |
3832 | } | |
3833 | ||
3834 | /* See whether we need to force a relocation into the output file. */ | |
3835 | int | |
3836 | tc_s12z_force_relocation (fixS *fixP) | |
3837 | { | |
3838 | return generic_force_reloc (fixP); | |
3839 | } | |
3840 | ||
3841 | /* Here we decide which fixups can be adjusted to make them relative | |
3842 | to the beginning of the section instead of the symbol. Basically | |
3843 | we need to make sure that the linker relaxation is done | |
3844 | correctly, so in some cases we force the original symbol to be | |
3845 | used. */ | |
3846 | int | |
3847 | tc_s12z_fix_adjustable (fixS *fixP ATTRIBUTE_UNUSED) | |
3848 | { | |
3849 | return 1; | |
3850 | } | |
3851 | ||
3852 | void | |
3853 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) | |
3854 | { | |
3855 | long value = *valP; | |
3856 | ||
3857 | if (fixP->fx_addsy == (symbolS *) NULL) | |
3858 | fixP->fx_done = 1; | |
3859 | ||
3860 | /* We don't actually support subtracting a symbol. */ | |
3861 | if (fixP->fx_subsy != (symbolS *) NULL) | |
3862 | as_bad_where (fixP->fx_file, fixP->fx_line, _("Expression too complex.")); | |
3863 | ||
3864 | /* | |
3865 | Patch the instruction with the resolved operand. Elf relocation | |
3866 | info will also be generated to take care of linker/loader fixups. | |
3867 | */ | |
3868 | char *where = fixP->fx_frag->fr_literal + fixP->fx_where; | |
3869 | ||
3870 | switch (fixP->fx_r_type) | |
3871 | { | |
3872 | case BFD_RELOC_8: | |
3873 | ((bfd_byte *) where)[0] = (bfd_byte) value; | |
3874 | break; | |
405b6196 JD |
3875 | case BFD_RELOC_16: |
3876 | bfd_putb16 ((bfd_vma) value, (unsigned char *) where); | |
3877 | break; | |
7b4ae824 JD |
3878 | case BFD_RELOC_24: |
3879 | bfd_putb24 ((bfd_vma) value, (unsigned char *) where); | |
3880 | break; | |
c6f14c0d JD |
3881 | case BFD_RELOC_S12Z_OPR: |
3882 | { | |
3883 | switch (fixP->fx_size) | |
3884 | { | |
3885 | case 3: | |
3886 | bfd_putb24 ((bfd_vma) value, (unsigned char *) where); | |
3887 | break; | |
3888 | case 2: | |
3889 | bfd_putb16 ((bfd_vma) value, (unsigned char *) where); | |
3890 | break; | |
3891 | default: | |
3892 | abort (); | |
3893 | } | |
3894 | } | |
3895 | break; | |
7b4ae824 JD |
3896 | case BFD_RELOC_32: |
3897 | bfd_putb32 ((bfd_vma) value, (unsigned char *) where); | |
3898 | break; | |
3899 | case BFD_RELOC_16_PCREL: | |
91bae991 | 3900 | if (value < -0x4000 || value > 0x3FFF) |
7b4ae824 JD |
3901 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3902 | _("Value out of 16-bit range.")); | |
3903 | ||
3904 | bfd_putb16 ((bfd_vma) value | 0x8000, (unsigned char *) where); | |
3905 | break; | |
3906 | ||
3907 | default: | |
3908 | as_fatal (_("Line %d: unknown relocation type: 0x%x."), | |
3909 | fixP->fx_line, fixP->fx_r_type); | |
3910 | } | |
3911 | } | |
3912 | ||
3913 | /* Set the ELF specific flags. */ | |
3914 | void | |
3915 | s12z_elf_final_processing (void) | |
3916 | { | |
3917 | } |