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feaee4bd AC |
1 | /* The IGEN simulator generator for GDB, the GNU Debugger. |
2 | ||
3666a048 | 3 | Copyright 2002-2021 Free Software Foundation, Inc. |
feaee4bd AC |
4 | |
5 | Contributed by Andrew Cagney. | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
4744ac1b | 11 | the Free Software Foundation; either version 3 of the License, or |
feaee4bd AC |
12 | (at your option) any later version. |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
4744ac1b | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c | 21 | |
c906108c | 22 | #include <getopt.h> |
3d52735b | 23 | #include <stdlib.h> |
c906108c SS |
24 | |
25 | #include "misc.h" | |
26 | #include "lf.h" | |
27 | #include "table.h" | |
c906108c SS |
28 | #include "filter.h" |
29 | ||
30 | #include "igen.h" | |
31 | ||
32 | #include "ld-insn.h" | |
33 | #include "ld-decode.h" | |
34 | #include "ld-cache.h" | |
35 | ||
36 | #include "gen.h" | |
37 | ||
38 | #include "gen-model.h" | |
39 | #include "gen-icache.h" | |
40 | #include "gen-itable.h" | |
41 | #include "gen-idecode.h" | |
42 | #include "gen-semantics.h" | |
43 | #include "gen-engine.h" | |
44 | #include "gen-support.h" | |
45 | #include "gen-engine.h" | |
46 | ||
47 | ||
48 | /****************************************************************/ | |
49 | ||
50 | ||
51 | /* Semantic functions */ | |
52 | ||
53 | int | |
4e0bf4c4 | 54 | print_semantic_function_formal (lf *file, int nr_prefetched_words) |
c906108c SS |
55 | { |
56 | int nr = 0; | |
57 | int word_nr; | |
58 | if (options.gen.icache || nr_prefetched_words < 0) | |
59 | { | |
60 | nr += lf_printf (file, "SIM_DESC sd,\n"); | |
61 | nr += lf_printf (file, "%sidecode_cache *cache_entry,\n", | |
62 | options.module.global.prefix.l); | |
63 | nr += lf_printf (file, "%sinstruction_address cia", | |
64 | options.module.global.prefix.l); | |
65 | } | |
66 | else if (options.gen.smp) | |
67 | { | |
68 | nr += lf_printf (file, "sim_cpu *cpu,\n"); | |
69 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
70 | { | |
71 | nr += lf_printf (file, "%sinstruction_word instruction_%d,\n", | |
4e0bf4c4 | 72 | options.module.global.prefix.l, word_nr); |
c906108c SS |
73 | } |
74 | nr += lf_printf (file, "%sinstruction_address cia", | |
75 | options.module.global.prefix.l); | |
76 | } | |
77 | else | |
78 | { | |
79 | nr += lf_printf (file, "SIM_DESC sd,\n"); | |
80 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
81 | { | |
82 | nr += lf_printf (file, "%sinstruction_word instruction_%d,\n", | |
4e0bf4c4 | 83 | options.module.global.prefix.l, word_nr); |
c906108c SS |
84 | } |
85 | nr += lf_printf (file, "%sinstruction_address cia", | |
86 | options.module.global.prefix.l); | |
87 | } | |
88 | return nr; | |
89 | } | |
90 | ||
91 | int | |
4e0bf4c4 | 92 | print_semantic_function_actual (lf *file, int nr_prefetched_words) |
c906108c SS |
93 | { |
94 | int nr = 0; | |
95 | int word_nr; | |
96 | if (options.gen.icache || nr_prefetched_words < 0) | |
97 | { | |
98 | nr += lf_printf (file, "sd, cache_entry, cia"); | |
99 | } | |
100 | else | |
101 | { | |
102 | if (options.gen.smp) | |
103 | nr += lf_printf (file, "cpu"); | |
104 | else | |
105 | nr += lf_printf (file, "sd"); | |
106 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
107 | nr += lf_printf (file, ", instruction_%d", word_nr); | |
108 | nr += lf_printf (file, ", cia"); | |
109 | } | |
110 | return nr; | |
111 | } | |
112 | ||
113 | int | |
114 | print_semantic_function_type (lf *file) | |
115 | { | |
116 | int nr = 0; | |
117 | nr += lf_printf (file, "%sinstruction_address", | |
118 | options.module.global.prefix.l); | |
119 | return nr; | |
120 | } | |
121 | ||
122 | ||
123 | /* Idecode functions */ | |
124 | ||
125 | int | |
4e0bf4c4 | 126 | print_icache_function_formal (lf *file, int nr_prefetched_words) |
c906108c SS |
127 | { |
128 | int nr = 0; | |
129 | int word_nr; | |
130 | if (options.gen.smp) | |
4e0bf4c4 | 131 | nr += lf_printf (file, "sim_cpu *cpu,\n"); |
c906108c | 132 | else |
4e0bf4c4 | 133 | nr += lf_printf (file, "SIM_DESC sd,\n"); |
c906108c SS |
134 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) |
135 | nr += lf_printf (file, " %sinstruction_word instruction_%d,\n", | |
136 | options.module.global.prefix.l, word_nr); | |
137 | nr += lf_printf (file, " %sinstruction_address cia,\n", | |
138 | options.module.global.prefix.l); | |
139 | nr += lf_printf (file, " %sidecode_cache *cache_entry", | |
140 | options.module.global.prefix.l); | |
141 | return nr; | |
142 | } | |
143 | ||
144 | int | |
4e0bf4c4 | 145 | print_icache_function_actual (lf *file, int nr_prefetched_words) |
c906108c SS |
146 | { |
147 | int nr = 0; | |
148 | int word_nr; | |
149 | if (options.gen.smp) | |
150 | nr += lf_printf (file, "cpu"); | |
151 | else | |
152 | nr += lf_printf (file, "sd"); | |
153 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
154 | nr += lf_printf (file, ", instruction_%d", word_nr); | |
155 | nr += lf_printf (file, ", cia, cache_entry"); | |
156 | return nr; | |
157 | } | |
158 | ||
159 | int | |
160 | print_icache_function_type (lf *file) | |
161 | { | |
162 | int nr; | |
163 | if (options.gen.semantic_icache) | |
164 | { | |
165 | nr = print_semantic_function_type (file); | |
166 | } | |
167 | else | |
168 | { | |
169 | nr = lf_printf (file, "%sidecode_semantic *", | |
170 | options.module.global.prefix.l); | |
171 | } | |
172 | return nr; | |
173 | } | |
174 | ||
175 | ||
176 | /* Function names */ | |
177 | ||
178 | static int | |
4e0bf4c4 | 179 | print_opcode_bits (lf *file, opcode_bits *bits) |
c906108c SS |
180 | { |
181 | int nr = 0; | |
182 | if (bits == NULL) | |
183 | return nr; | |
184 | nr += lf_putchr (file, '_'); | |
185 | nr += lf_putstr (file, bits->field->val_string); | |
186 | if (bits->opcode->is_boolean && bits->value == 0) | |
187 | nr += lf_putint (file, bits->opcode->boolean_constant); | |
4e0bf4c4 AC |
188 | else if (!bits->opcode->is_boolean) |
189 | { | |
190 | if (bits->opcode->last < bits->field->last) | |
191 | nr += | |
192 | lf_putint (file, | |
193 | bits->value << (bits->field->last - bits->opcode->last)); | |
194 | else | |
195 | nr += lf_putint (file, bits->value); | |
196 | } | |
c906108c SS |
197 | nr += print_opcode_bits (file, bits->next); |
198 | return nr; | |
199 | } | |
200 | ||
201 | static int | |
4e0bf4c4 | 202 | print_c_name (lf *file, const char *name) |
c906108c SS |
203 | { |
204 | int nr = 0; | |
205 | const char *pos; | |
206 | for (pos = name; *pos != '\0'; pos++) | |
207 | { | |
208 | switch (*pos) | |
209 | { | |
210 | case '/': | |
211 | case '-': | |
212 | break; | |
213 | case ' ': | |
214 | case '.': | |
215 | nr += lf_putchr (file, '_'); | |
216 | break; | |
217 | default: | |
218 | nr += lf_putchr (file, *pos); | |
219 | break; | |
220 | } | |
221 | } | |
222 | return nr; | |
223 | } | |
224 | ||
225 | extern int | |
226 | print_function_name (lf *file, | |
227 | const char *basename, | |
228 | const char *format_name, | |
229 | const char *model_name, | |
230 | opcode_bits *expanded_bits, | |
231 | lf_function_name_prefixes prefix) | |
232 | { | |
233 | int nr = 0; | |
234 | /* the prefix */ | |
235 | switch (prefix) | |
236 | { | |
237 | case function_name_prefix_semantics: | |
238 | nr += lf_printf (file, "%s", options.module.semantics.prefix.l); | |
239 | nr += lf_printf (file, "semantic_"); | |
240 | break; | |
241 | case function_name_prefix_idecode: | |
242 | nr += lf_printf (file, "%s", options.module.idecode.prefix.l); | |
243 | nr += lf_printf (file, "idecode_"); | |
244 | break; | |
245 | case function_name_prefix_itable: | |
246 | nr += lf_printf (file, "%sitable_", options.module.itable.prefix.l); | |
247 | break; | |
248 | case function_name_prefix_icache: | |
249 | nr += lf_printf (file, "%s", options.module.icache.prefix.l); | |
250 | nr += lf_printf (file, "icache_"); | |
251 | break; | |
252 | case function_name_prefix_engine: | |
253 | nr += lf_printf (file, "%s", options.module.engine.prefix.l); | |
254 | nr += lf_printf (file, "engine_"); | |
255 | default: | |
256 | break; | |
257 | } | |
4e0bf4c4 | 258 | |
c906108c SS |
259 | if (model_name != NULL) |
260 | { | |
261 | nr += print_c_name (file, model_name); | |
262 | nr += lf_printf (file, "_"); | |
263 | } | |
264 | ||
265 | /* the function name */ | |
266 | nr += print_c_name (file, basename); | |
4e0bf4c4 | 267 | |
c906108c SS |
268 | /* the format name if available */ |
269 | if (format_name != NULL) | |
270 | { | |
271 | nr += lf_printf (file, "_"); | |
272 | nr += print_c_name (file, format_name); | |
273 | } | |
274 | ||
275 | /* the suffix */ | |
276 | nr += print_opcode_bits (file, expanded_bits); | |
277 | ||
278 | return nr; | |
279 | } | |
280 | ||
281 | ||
282 | void | |
283 | print_my_defines (lf *file, | |
284 | const char *basename, | |
4e0bf4c4 | 285 | const char *format_name, opcode_bits *expanded_bits) |
c906108c SS |
286 | { |
287 | /* #define MY_INDEX xxxxx */ | |
288 | lf_indent_suppress (file); | |
289 | lf_printf (file, "#undef MY_INDEX\n"); | |
290 | lf_indent_suppress (file); | |
291 | lf_printf (file, "#define MY_INDEX "); | |
292 | print_function_name (file, | |
293 | basename, format_name, NULL, | |
4e0bf4c4 | 294 | NULL, function_name_prefix_itable); |
c906108c SS |
295 | lf_printf (file, "\n"); |
296 | /* #define MY_PREFIX xxxxxx */ | |
297 | lf_indent_suppress (file); | |
298 | lf_printf (file, "#undef "); | |
299 | print_function_name (file, | |
300 | basename, format_name, NULL, | |
4e0bf4c4 | 301 | expanded_bits, function_name_prefix_none); |
c906108c SS |
302 | lf_printf (file, "\n"); |
303 | lf_indent_suppress (file); | |
304 | lf_printf (file, "#undef MY_PREFIX\n"); | |
305 | lf_indent_suppress (file); | |
306 | lf_printf (file, "#define MY_PREFIX "); | |
307 | print_function_name (file, | |
308 | basename, format_name, NULL, | |
4e0bf4c4 | 309 | expanded_bits, function_name_prefix_none); |
c906108c SS |
310 | lf_printf (file, "\n"); |
311 | /* #define MY_NAME xxxxxx */ | |
312 | lf_indent_suppress (file); | |
313 | lf_indent_suppress (file); | |
314 | lf_printf (file, "#undef MY_NAME\n"); | |
315 | lf_indent_suppress (file); | |
316 | lf_printf (file, "#define MY_NAME \""); | |
317 | print_function_name (file, | |
318 | basename, format_name, NULL, | |
4e0bf4c4 | 319 | expanded_bits, function_name_prefix_none); |
c906108c SS |
320 | lf_printf (file, "\"\n"); |
321 | } | |
322 | ||
323 | ||
324 | static int | |
325 | print_itrace_prefix (lf *file) | |
326 | { | |
327 | const char *prefix = "trace_prefix ("; | |
328 | int indent = strlen (prefix); | |
4e0bf4c4 AC |
329 | lf_printf (file, "%sSD, CPU, cia, CIA, TRACE_LINENUM_P (CPU), \\\n", |
330 | prefix); | |
c906108c | 331 | lf_indent (file, +indent); |
4e0bf4c4 AC |
332 | lf_printf (file, "%sitable[MY_INDEX].file, \\\n", |
333 | options.module.itable.prefix.l); | |
334 | lf_printf (file, "%sitable[MY_INDEX].line_nr, \\\n", | |
335 | options.module.itable.prefix.l); | |
c906108c SS |
336 | lf_printf (file, "\""); |
337 | return indent; | |
338 | } | |
339 | ||
340 | ||
341 | static void | |
4e0bf4c4 | 342 | print_itrace_format (lf *file, insn_mnemonic_entry *assembler) |
c906108c SS |
343 | { |
344 | /* pass=1 is fmt string; pass=2 is arguments */ | |
345 | int pass; | |
346 | /* print the format string */ | |
347 | for (pass = 1; pass <= 2; pass++) | |
348 | { | |
349 | const char *chp = assembler->format; | |
4e0bf4c4 | 350 | chp++; /* skip the leading quote */ |
c906108c SS |
351 | /* write out the format/args */ |
352 | while (*chp != '\0') | |
353 | { | |
354 | if (chp[0] == '\\' && (chp[1] == '<' || chp[1] == '>')) | |
355 | { | |
356 | if (pass == 1) | |
357 | lf_putchr (file, chp[1]); | |
358 | chp += 2; | |
359 | } | |
360 | else if (chp[0] == '<' || chp[0] == '%') | |
361 | { | |
362 | /* parse [ "%" ... ] "<" [ func "#" ] param ">" */ | |
363 | const char *fmt; | |
364 | const char *func; | |
365 | int strlen_func; | |
366 | const char *param; | |
367 | int strlen_param; | |
368 | /* the "%" ... "<" format */ | |
369 | fmt = chp; | |
370 | while (chp[0] != '<' && chp[0] != '\0') | |
371 | chp++; | |
372 | if (chp[0] != '<') | |
373 | error (assembler->line, "Missing `<' after `%%'\n"); | |
374 | chp++; | |
375 | /* [ "func" # ] OR "param" */ | |
376 | func = chp; | |
377 | param = chp; | |
378 | while (chp[0] != '>' && chp[0] != '#' && chp[0] != '\0') | |
379 | chp++; | |
380 | strlen_func = chp - func; | |
381 | if (chp[0] == '#') | |
382 | { | |
383 | chp++; | |
384 | param = chp; | |
385 | while (chp[0] != '>' && chp[0] != '\0') | |
386 | chp++; | |
387 | } | |
388 | strlen_param = chp - param; | |
389 | if (chp[0] != '>') | |
4e0bf4c4 AC |
390 | error (assembler->line, |
391 | "Missing closing `>' in assembler string\n"); | |
c906108c SS |
392 | chp++; |
393 | /* now process it */ | |
394 | if (pass == 2) | |
395 | lf_printf (file, ", \\\n"); | |
396 | if (strncmp (fmt, "<", 1) == 0) | |
397 | /* implicit long int format */ | |
398 | { | |
399 | if (pass == 1) | |
400 | lf_printf (file, "%%ld"); | |
401 | else | |
402 | { | |
403 | lf_printf (file, "(long) "); | |
404 | lf_write (file, param, strlen_param); | |
405 | } | |
406 | } | |
407 | else if (strncmp (fmt, "%<", 2) == 0) | |
408 | /* explicit format */ | |
409 | { | |
410 | if (pass == 1) | |
411 | lf_printf (file, "%%"); | |
412 | else | |
413 | lf_write (file, param, strlen_param); | |
414 | } | |
415 | else if (strncmp (fmt, "%s<", 3) == 0) | |
416 | /* string format */ | |
417 | { | |
418 | if (pass == 1) | |
419 | lf_printf (file, "%%s"); | |
420 | else | |
421 | { | |
4e0bf4c4 AC |
422 | lf_printf (file, "%sstr_", |
423 | options.module.global.prefix.l); | |
c906108c SS |
424 | lf_write (file, func, strlen_func); |
425 | lf_printf (file, " (SD_, "); | |
426 | lf_write (file, param, strlen_param); | |
427 | lf_printf (file, ")"); | |
428 | } | |
429 | } | |
430 | else if (strncmp (fmt, "%lx<", 4) == 0) | |
431 | /* simple hex */ | |
432 | { | |
433 | if (pass == 1) | |
434 | lf_printf (file, "%%lx"); | |
435 | else | |
436 | { | |
437 | lf_printf (file, "(unsigned long) "); | |
438 | lf_write (file, param, strlen_param); | |
439 | } | |
440 | } | |
6225b4b7 | 441 | else if (strncmp (fmt, "%#lx<", 5) == 0) |
4e0bf4c4 | 442 | /* simple hex with 0x prefix */ |
6225b4b7 CD |
443 | { |
444 | if (pass == 1) | |
445 | lf_printf (file, "%%#lx"); | |
446 | else | |
447 | { | |
448 | lf_printf (file, "(unsigned long) "); | |
449 | lf_write (file, param, strlen_param); | |
450 | } | |
451 | } | |
c906108c SS |
452 | else if (strncmp (fmt, "%08lx<", 6) == 0) |
453 | /* simple hex */ | |
454 | { | |
455 | if (pass == 1) | |
456 | lf_printf (file, "%%08lx"); | |
457 | else | |
458 | { | |
459 | lf_printf (file, "(unsigned long) "); | |
460 | lf_write (file, param, strlen_param); | |
461 | } | |
462 | } | |
463 | else | |
464 | error (assembler->line, "Unknown assembler string format\n"); | |
465 | } | |
466 | else | |
467 | { | |
468 | if (pass == 1) | |
469 | lf_putchr (file, chp[0]); | |
470 | chp += 1; | |
471 | } | |
472 | } | |
473 | } | |
474 | lf_printf (file, ");\n"); | |
475 | } | |
476 | ||
477 | ||
478 | void | |
4e0bf4c4 | 479 | print_itrace (lf *file, insn_entry * insn, int idecode) |
c906108c SS |
480 | { |
481 | /* NB: Here we escape each EOLN. This is so that the the compiler | |
482 | treats a trace function call as a single line. Consequently any | |
483 | errors in the line are refered back to the same igen assembler | |
484 | source line */ | |
485 | const char *phase = (idecode) ? "DECODE" : "INSN"; | |
486 | lf_printf (file, "\n"); | |
487 | lf_indent_suppress (file); | |
488 | lf_printf (file, "#if defined (WITH_TRACE)\n"); | |
489 | lf_printf (file, "/* generate a trace prefix if any tracing enabled */\n"); | |
490 | lf_printf (file, "if (TRACE_ANY_P (CPU))\n"); | |
491 | lf_printf (file, " {\n"); | |
492 | lf_indent (file, +4); | |
493 | { | |
494 | if (insn->mnemonics != NULL) | |
495 | { | |
496 | insn_mnemonic_entry *assembler = insn->mnemonics; | |
497 | int is_first = 1; | |
498 | do | |
499 | { | |
500 | if (assembler->condition != NULL) | |
501 | { | |
502 | int indent; | |
503 | lf_printf (file, "%sif (%s)\n", | |
4e0bf4c4 | 504 | is_first ? "" : "else ", assembler->condition); |
c906108c SS |
505 | lf_indent (file, +2); |
506 | lf_print__line_ref (file, assembler->line); | |
507 | indent = print_itrace_prefix (file); | |
508 | print_itrace_format (file, assembler); | |
509 | lf_print__internal_ref (file); | |
510 | lf_indent (file, -indent); | |
511 | lf_indent (file, -2); | |
512 | if (assembler->next == NULL) | |
4e0bf4c4 AC |
513 | error (assembler->line, |
514 | "Missing final unconditional assembler\n"); | |
c906108c SS |
515 | } |
516 | else | |
517 | { | |
518 | int indent; | |
519 | if (!is_first) | |
520 | { | |
521 | lf_printf (file, "else\n"); | |
522 | lf_indent (file, +2); | |
523 | } | |
524 | lf_print__line_ref (file, assembler->line); | |
525 | indent = print_itrace_prefix (file); | |
526 | print_itrace_format (file, assembler); | |
527 | lf_print__internal_ref (file); | |
528 | lf_indent (file, -indent); | |
529 | if (!is_first) | |
530 | lf_indent (file, -2); | |
531 | if (assembler->next != NULL) | |
4e0bf4c4 AC |
532 | error (assembler->line, |
533 | "Unconditional assembler is not last\n"); | |
c906108c SS |
534 | } |
535 | is_first = 0; | |
536 | assembler = assembler->next; | |
537 | } | |
538 | while (assembler != NULL); | |
539 | } | |
540 | else | |
541 | { | |
542 | int indent; | |
543 | lf_indent (file, +2); | |
544 | lf_print__line_ref (file, insn->line); | |
545 | indent = print_itrace_prefix (file); | |
546 | lf_printf (file, "%%s\", \\\n"); | |
547 | lf_printf (file, "itable[MY_INDEX].name);\n"); | |
548 | lf_print__internal_ref (file); | |
549 | lf_indent (file, -indent); | |
550 | lf_indent (file, -2); | |
551 | } | |
552 | lf_printf (file, "/* trace the instruction execution if enabled */\n"); | |
553 | lf_printf (file, "if (TRACE_%s_P (CPU))\n", phase); | |
4e0bf4c4 AC |
554 | lf_printf (file, |
555 | " trace_generic (SD, CPU, TRACE_%s_IDX, \" %%s\", itable[MY_INDEX].name);\n", | |
556 | phase); | |
c906108c SS |
557 | } |
558 | lf_indent (file, -4); | |
559 | lf_printf (file, " }\n"); | |
560 | lf_indent_suppress (file); | |
561 | lf_printf (file, "#endif\n"); | |
562 | } | |
563 | ||
564 | ||
565 | void | |
4e0bf4c4 | 566 | print_sim_engine_abort (lf *file, const char *message) |
c906108c SS |
567 | { |
568 | lf_printf (file, "sim_engine_abort (SD, CPU, cia, "); | |
569 | lf_printf (file, "\"%s\"", message); | |
570 | lf_printf (file, ");\n"); | |
571 | } | |
572 | ||
573 | ||
574 | void | |
4e0bf4c4 | 575 | print_include (lf *file, igen_module module) |
c906108c SS |
576 | { |
577 | lf_printf (file, "#include \"%s%s.h\"\n", module.prefix.l, module.suffix.l); | |
578 | } | |
579 | ||
580 | void | |
4e0bf4c4 | 581 | print_include_inline (lf *file, igen_module module) |
c906108c SS |
582 | { |
583 | lf_printf (file, "#if C_REVEALS_MODULE_P (%s_INLINE)\n", module.suffix.u); | |
584 | lf_printf (file, "#include \"%s%s.c\"\n", module.prefix.l, module.suffix.l); | |
585 | lf_printf (file, "#else\n"); | |
586 | print_include (file, module); | |
587 | lf_printf (file, "#endif\n"); | |
588 | lf_printf (file, "\n"); | |
589 | } | |
590 | ||
591 | void | |
592 | print_includes (lf *file) | |
593 | { | |
594 | lf_printf (file, "\n"); | |
595 | lf_printf (file, "#include \"sim-inline.c\"\n"); | |
596 | lf_printf (file, "\n"); | |
597 | print_include_inline (file, options.module.itable); | |
598 | print_include_inline (file, options.module.idecode); | |
599 | print_include_inline (file, options.module.support); | |
600 | } | |
601 | ||
602 | ||
603 | /****************************************************************/ | |
604 | ||
605 | ||
606 | static void | |
4e0bf4c4 | 607 | gen_semantics_h (lf *file, insn_list *semantics, int max_nr_words) |
c906108c SS |
608 | { |
609 | int word_nr; | |
610 | insn_list *semantic; | |
611 | for (word_nr = -1; word_nr <= max_nr_words; word_nr++) | |
612 | { | |
613 | lf_printf (file, "typedef "); | |
614 | print_semantic_function_type (file); | |
4e0bf4c4 | 615 | lf_printf (file, " %sidecode_semantic", options.module.global.prefix.l); |
c906108c SS |
616 | if (word_nr >= 0) |
617 | lf_printf (file, "_%d", word_nr); | |
618 | lf_printf (file, "\n("); | |
619 | lf_indent (file, +1); | |
620 | print_semantic_function_formal (file, word_nr); | |
621 | lf_indent (file, -1); | |
622 | lf_printf (file, ");\n"); | |
623 | lf_printf (file, "\n"); | |
624 | } | |
625 | switch (options.gen.code) | |
626 | { | |
627 | case generate_calls: | |
628 | for (semantic = semantics; semantic != NULL; semantic = semantic->next) | |
629 | { | |
630 | /* Ignore any special/internal instructions */ | |
631 | if (semantic->insn->nr_words == 0) | |
632 | continue; | |
633 | print_semantic_declaration (file, | |
634 | semantic->insn, | |
635 | semantic->expanded_bits, | |
636 | semantic->opcodes, | |
637 | semantic->nr_prefetched_words); | |
638 | } | |
639 | break; | |
640 | case generate_jumps: | |
641 | lf_print__this_file_is_empty (file, "generating jumps"); | |
642 | break; | |
643 | } | |
644 | } | |
645 | ||
646 | ||
647 | static void | |
4e0bf4c4 | 648 | gen_semantics_c (lf *file, insn_list *semantics, cache_entry *cache_rules) |
c906108c SS |
649 | { |
650 | if (options.gen.code == generate_calls) | |
651 | { | |
652 | insn_list *semantic; | |
653 | print_includes (file); | |
654 | print_include (file, options.module.semantics); | |
655 | lf_printf (file, "\n"); | |
656 | ||
657 | for (semantic = semantics; semantic != NULL; semantic = semantic->next) | |
658 | { | |
659 | /* Ignore any special/internal instructions */ | |
660 | if (semantic->insn->nr_words == 0) | |
661 | continue; | |
662 | print_semantic_definition (file, | |
663 | semantic->insn, | |
664 | semantic->expanded_bits, | |
665 | semantic->opcodes, | |
666 | cache_rules, | |
667 | semantic->nr_prefetched_words); | |
668 | } | |
669 | } | |
670 | else | |
671 | { | |
672 | lf_print__this_file_is_empty (file, "generating jump engine"); | |
673 | } | |
674 | } | |
675 | ||
676 | ||
677 | /****************************************************************/ | |
678 | ||
679 | ||
680 | static void | |
681 | gen_icache_h (lf *file, | |
682 | insn_list *semantic, | |
4e0bf4c4 | 683 | function_entry * functions, int max_nr_words) |
c906108c SS |
684 | { |
685 | int word_nr; | |
686 | for (word_nr = 0; word_nr <= max_nr_words; word_nr++) | |
687 | { | |
688 | lf_printf (file, "typedef "); | |
4e0bf4c4 | 689 | print_icache_function_type (file); |
c906108c | 690 | lf_printf (file, " %sidecode_icache_%d\n(", |
4e0bf4c4 AC |
691 | options.module.global.prefix.l, word_nr); |
692 | print_icache_function_formal (file, word_nr); | |
c906108c SS |
693 | lf_printf (file, ");\n"); |
694 | lf_printf (file, "\n"); | |
695 | } | |
4e0bf4c4 | 696 | if (options.gen.code == generate_calls && options.gen.icache) |
c906108c SS |
697 | { |
698 | function_entry_traverse (file, functions, | |
699 | print_icache_internal_function_declaration, | |
700 | NULL); | |
701 | while (semantic != NULL) | |
702 | { | |
703 | print_icache_declaration (file, | |
704 | semantic->insn, | |
705 | semantic->expanded_bits, | |
706 | semantic->opcodes, | |
707 | semantic->nr_prefetched_words); | |
708 | semantic = semantic->next; | |
709 | } | |
710 | } | |
711 | else | |
712 | { | |
713 | lf_print__this_file_is_empty (file, "generating jump engine"); | |
714 | } | |
715 | } | |
716 | ||
717 | static void | |
718 | gen_icache_c (lf *file, | |
719 | insn_list *semantic, | |
4e0bf4c4 | 720 | function_entry * functions, cache_entry *cache_rules) |
c906108c SS |
721 | { |
722 | /* output `internal' invalid/floating-point unavailable functions | |
723 | where needed */ | |
4e0bf4c4 | 724 | if (options.gen.code == generate_calls && options.gen.icache) |
c906108c SS |
725 | { |
726 | lf_printf (file, "\n"); | |
727 | lf_printf (file, "#include \"cpu.h\"\n"); | |
728 | lf_printf (file, "#include \"idecode.h\"\n"); | |
729 | lf_printf (file, "#include \"semantics.h\"\n"); | |
730 | lf_printf (file, "#include \"icache.h\"\n"); | |
731 | lf_printf (file, "#include \"support.h\"\n"); | |
732 | lf_printf (file, "\n"); | |
733 | function_entry_traverse (file, functions, | |
734 | print_icache_internal_function_definition, | |
735 | NULL); | |
736 | lf_printf (file, "\n"); | |
737 | while (semantic != NULL) | |
738 | { | |
739 | print_icache_definition (file, | |
740 | semantic->insn, | |
741 | semantic->expanded_bits, | |
742 | semantic->opcodes, | |
743 | cache_rules, | |
744 | semantic->nr_prefetched_words); | |
745 | semantic = semantic->next; | |
746 | } | |
747 | } | |
748 | else | |
749 | { | |
750 | lf_print__this_file_is_empty (file, "generating jump engine"); | |
751 | } | |
752 | } | |
753 | ||
754 | ||
755 | /****************************************************************/ | |
756 | ||
757 | ||
758 | static void | |
759 | gen_idecode_h (lf *file, | |
4e0bf4c4 | 760 | gen_table *gen, insn_table *insns, cache_entry *cache_rules) |
c906108c SS |
761 | { |
762 | lf_printf (file, "typedef unsigned%d %sinstruction_word;\n", | |
763 | options.insn_bit_size, options.module.global.prefix.l); | |
764 | if (options.gen.delayed_branch) | |
765 | { | |
766 | lf_printf (file, "typedef struct _%sinstruction_address {\n", | |
767 | options.module.global.prefix.l); | |
768 | lf_printf (file, " address_word ip; /* instruction pointer */\n"); | |
769 | lf_printf (file, " address_word dp; /* delayed-slot pointer */\n"); | |
4e0bf4c4 AC |
770 | lf_printf (file, "} %sinstruction_address;\n", |
771 | options.module.global.prefix.l); | |
c906108c SS |
772 | } |
773 | else | |
774 | { | |
775 | lf_printf (file, "typedef address_word %sinstruction_address;\n", | |
776 | options.module.global.prefix.l); | |
4e0bf4c4 | 777 | |
c906108c SS |
778 | } |
779 | if (options.gen.nia == nia_is_invalid | |
780 | && strlen (options.module.global.prefix.u) > 0) | |
781 | { | |
782 | lf_indent_suppress (file); | |
783 | lf_printf (file, "#define %sINVALID_INSTRUCTION_ADDRESS ", | |
784 | options.module.global.prefix.u); | |
785 | lf_printf (file, "INVALID_INSTRUCTION_ADDRESS\n"); | |
786 | } | |
787 | lf_printf (file, "\n"); | |
788 | print_icache_struct (file, insns, cache_rules); | |
789 | lf_printf (file, "\n"); | |
790 | if (options.gen.icache) | |
791 | { | |
792 | ERROR ("FIXME - idecode with icache suffering from bit-rot"); | |
793 | } | |
794 | else | |
795 | { | |
796 | gen_list *entry; | |
797 | for (entry = gen->tables; entry != NULL; entry = entry->next) | |
798 | { | |
799 | print_idecode_issue_function_header (file, | |
800 | (options.gen.multi_sim | |
801 | ? entry->model->name | |
802 | : NULL), | |
803 | is_function_declaration, | |
4e0bf4c4 | 804 | 1 /*ALWAYS ONE WORD */ ); |
c906108c SS |
805 | } |
806 | if (options.gen.multi_sim) | |
807 | { | |
808 | print_idecode_issue_function_header (file, | |
809 | NULL, | |
810 | is_function_variable, | |
4e0bf4c4 | 811 | 1 /*ALWAYS ONE WORD */ ); |
c906108c SS |
812 | } |
813 | } | |
814 | } | |
815 | ||
816 | ||
817 | static void | |
818 | gen_idecode_c (lf *file, | |
4e0bf4c4 | 819 | gen_table *gen, insn_table *isa, cache_entry *cache_rules) |
c906108c SS |
820 | { |
821 | /* the intro */ | |
822 | print_includes (file); | |
823 | print_include_inline (file, options.module.semantics); | |
824 | lf_printf (file, "\n"); | |
825 | ||
826 | print_idecode_globals (file); | |
827 | lf_printf (file, "\n"); | |
4e0bf4c4 | 828 | |
c906108c SS |
829 | switch (options.gen.code) |
830 | { | |
831 | case generate_calls: | |
832 | { | |
833 | gen_list *entry; | |
834 | for (entry = gen->tables; entry != NULL; entry = entry->next) | |
835 | { | |
836 | print_idecode_lookups (file, entry->table, cache_rules); | |
4e0bf4c4 | 837 | |
c906108c SS |
838 | /* output the main idecode routine */ |
839 | if (!options.gen.icache) | |
840 | { | |
841 | print_idecode_issue_function_header (file, | |
842 | (options.gen.multi_sim | |
843 | ? entry->model->name | |
844 | : NULL), | |
4e0bf4c4 AC |
845 | 1 /*is definition */ , |
846 | 1 /*ALWAYS ONE WORD */ ); | |
c906108c SS |
847 | lf_printf (file, "{\n"); |
848 | lf_indent (file, +2); | |
849 | lf_printf (file, "%sinstruction_address nia;\n", | |
850 | options.module.global.prefix.l); | |
851 | print_idecode_body (file, entry->table, "nia ="); | |
852 | lf_printf (file, "return nia;"); | |
853 | lf_indent (file, -2); | |
854 | lf_printf (file, "}\n"); | |
855 | } | |
856 | } | |
857 | break; | |
858 | } | |
859 | case generate_jumps: | |
860 | { | |
861 | lf_print__this_file_is_empty (file, "generating a jump engine"); | |
862 | break; | |
863 | } | |
864 | } | |
865 | } | |
866 | ||
867 | ||
868 | /****************************************************************/ | |
869 | ||
870 | ||
871 | static void | |
4e0bf4c4 | 872 | gen_run_c (lf *file, gen_table *gen) |
c906108c SS |
873 | { |
874 | gen_list *entry; | |
875 | lf_printf (file, "#include \"sim-main.h\"\n"); | |
876 | lf_printf (file, "#include \"engine.h\"\n"); | |
877 | lf_printf (file, "#include \"idecode.h\"\n"); | |
878 | lf_printf (file, "#include \"bfd.h\"\n"); | |
879 | lf_printf (file, "\n"); | |
880 | ||
881 | if (options.gen.multi_sim) | |
882 | { | |
4e0bf4c4 AC |
883 | print_idecode_issue_function_header (file, NULL, is_function_variable, |
884 | 1); | |
c906108c SS |
885 | lf_printf (file, "\n"); |
886 | print_engine_run_function_header (file, NULL, is_function_variable); | |
887 | lf_printf (file, "\n"); | |
888 | } | |
4e0bf4c4 | 889 | |
c906108c SS |
890 | lf_printf (file, "void\n"); |
891 | lf_printf (file, "sim_engine_run (SIM_DESC sd,\n"); | |
892 | lf_printf (file, " int next_cpu_nr,\n"); | |
893 | lf_printf (file, " int nr_cpus,\n"); | |
894 | lf_printf (file, " int siggnal)\n"); | |
895 | lf_printf (file, "{\n"); | |
896 | lf_indent (file, +2); | |
897 | if (options.gen.multi_sim) | |
898 | { | |
899 | lf_printf (file, "int mach;\n"); | |
900 | lf_printf (file, "if (STATE_ARCHITECTURE (sd) == NULL)\n"); | |
901 | lf_printf (file, " mach = 0;\n"); | |
902 | lf_printf (file, "else\n"); | |
903 | lf_printf (file, " mach = STATE_ARCHITECTURE (sd)->mach;\n"); | |
904 | lf_printf (file, "switch (mach)\n"); | |
905 | lf_printf (file, " {\n"); | |
906 | lf_indent (file, +2); | |
907 | for (entry = gen->tables; entry != NULL; entry = entry->next) | |
908 | { | |
909 | if (options.gen.default_model != NULL | |
910 | && (strcmp (entry->model->name, options.gen.default_model) == 0 | |
4e0bf4c4 AC |
911 | || strcmp (entry->model->full_name, |
912 | options.gen.default_model) == 0)) | |
c906108c SS |
913 | lf_printf (file, "default:\n"); |
914 | lf_printf (file, "case bfd_mach_%s:\n", entry->model->full_name); | |
915 | lf_indent (file, +2); | |
4e0bf4c4 AC |
916 | print_function_name (file, "issue", NULL, /* format name */ |
917 | NULL, /* NO processor */ | |
918 | NULL, /* expanded bits */ | |
c906108c SS |
919 | function_name_prefix_idecode); |
920 | lf_printf (file, " = "); | |
4e0bf4c4 AC |
921 | print_function_name (file, "issue", NULL, /* format name */ |
922 | entry->model->name, NULL, /* expanded bits */ | |
c906108c SS |
923 | function_name_prefix_idecode); |
924 | lf_printf (file, ";\n"); | |
4e0bf4c4 AC |
925 | print_function_name (file, "run", NULL, /* format name */ |
926 | NULL, /* NO processor */ | |
927 | NULL, /* expanded bits */ | |
c906108c SS |
928 | function_name_prefix_engine); |
929 | lf_printf (file, " = "); | |
4e0bf4c4 AC |
930 | print_function_name (file, "run", NULL, /* format name */ |
931 | entry->model->name, NULL, /* expanded bits */ | |
c906108c SS |
932 | function_name_prefix_engine); |
933 | lf_printf (file, ";\n"); | |
934 | lf_printf (file, "break;\n"); | |
935 | lf_indent (file, -2); | |
936 | } | |
937 | if (options.gen.default_model == NULL) | |
938 | { | |
939 | lf_printf (file, "default:\n"); | |
940 | lf_indent (file, +2); | |
941 | lf_printf (file, "sim_engine_abort (sd, NULL, NULL_CIA,\n"); | |
4e0bf4c4 AC |
942 | lf_printf (file, |
943 | " \"sim_engine_run - unknown machine\");\n"); | |
c906108c SS |
944 | lf_printf (file, "break;\n"); |
945 | lf_indent (file, -2); | |
946 | } | |
947 | lf_indent (file, -2); | |
948 | lf_printf (file, " }\n"); | |
949 | } | |
4e0bf4c4 AC |
950 | print_function_name (file, "run", NULL, /* format name */ |
951 | NULL, /* NO processor */ | |
952 | NULL, /* expanded bits */ | |
c906108c SS |
953 | function_name_prefix_engine); |
954 | lf_printf (file, " (sd, next_cpu_nr, nr_cpus, siggnal);\n"); | |
955 | lf_indent (file, -2); | |
956 | lf_printf (file, "}\n"); | |
957 | } | |
958 | ||
959 | /****************************************************************/ | |
960 | ||
961 | static gen_table * | |
4e0bf4c4 | 962 | do_gen (insn_table *isa, decode_table *decode_rules) |
c906108c SS |
963 | { |
964 | gen_table *gen; | |
965 | if (decode_rules == NULL) | |
966 | error (NULL, "Must specify a decode table\n"); | |
967 | if (isa == NULL) | |
968 | error (NULL, "Must specify an instruction table\n"); | |
969 | if (decode_table_max_word_nr (decode_rules) > 0) | |
970 | options.gen.multi_word = decode_table_max_word_nr (decode_rules); | |
971 | gen = make_gen_tables (isa, decode_rules); | |
972 | gen_tables_expand_insns (gen); | |
973 | gen_tables_expand_semantics (gen); | |
974 | return gen; | |
975 | } | |
976 | ||
977 | /****************************************************************/ | |
978 | ||
979 | igen_options options; | |
980 | ||
981 | int | |
4e0bf4c4 | 982 | main (int argc, char **argv, char **envp) |
c906108c SS |
983 | { |
984 | cache_entry *cache_rules = NULL; | |
985 | lf_file_references file_references = lf_include_references; | |
986 | decode_table *decode_rules = NULL; | |
987 | insn_table *isa = NULL; | |
988 | gen_table *gen = NULL; | |
989 | char *real_file_name = NULL; | |
990 | int is_header = 0; | |
991 | int ch; | |
4e0bf4c4 AC |
992 | lf *standard_out = |
993 | lf_open ("-", "stdout", lf_omit_references, lf_is_text, "igen"); | |
c906108c SS |
994 | |
995 | INIT_OPTIONS (); | |
996 | ||
997 | if (argc == 1) | |
998 | { | |
999 | printf ("Usage:\n"); | |
1000 | printf ("\n"); | |
1001 | printf (" igen <config-opts> ... <input-opts>... <output-opts>...\n"); | |
1002 | printf ("\n"); | |
1003 | printf ("Config options:\n"); | |
1004 | printf ("\n"); | |
1005 | printf (" -B <bit-size>\n"); | |
5accf1ff | 1006 | printf ("\t Set the number of bits in an instruction (deprecated).\n"); |
4e0bf4c4 AC |
1007 | printf |
1008 | ("\t This option can now be set directly in the instruction table.\n"); | |
c906108c SS |
1009 | printf ("\n"); |
1010 | printf (" -D <data-structure>\n"); | |
4e0bf4c4 AC |
1011 | printf |
1012 | ("\t Dump the specified data structure to stdout. Valid structures include:\n"); | |
1013 | printf | |
1014 | ("\t processor-names - list the names of all the processors (models)\n"); | |
c906108c SS |
1015 | printf ("\n"); |
1016 | printf (" -F <filter-list>\n"); | |
4e0bf4c4 AC |
1017 | printf |
1018 | ("\t Filter out any instructions with a non-empty flags field that contains\n"); | |
c906108c SS |
1019 | printf ("\t a flag not listed in the <filter-list>.\n"); |
1020 | printf ("\n"); | |
1021 | printf (" -H <high-bit>\n"); | |
4e0bf4c4 AC |
1022 | printf |
1023 | ("\t Set the number of the high (most significant) instruction bit (deprecated).\n"); | |
1024 | printf | |
1025 | ("\t This option can now be set directly in the instruction table.\n"); | |
c906108c SS |
1026 | printf ("\n"); |
1027 | printf (" -I <directory>\n"); | |
4e0bf4c4 AC |
1028 | printf |
1029 | ("\t Add <directory> to the list of directories searched when opening a file\n"); | |
c906108c SS |
1030 | printf ("\n"); |
1031 | printf (" -M <model-list>\n"); | |
4e0bf4c4 AC |
1032 | printf |
1033 | ("\t Filter out any instructions that do not support at least one of the listed\n"); | |
1034 | printf | |
1035 | ("\t models (An instructions with no model information is considered to support\n"); | |
c906108c SS |
1036 | printf ("\t all models.).\n"); |
1037 | printf ("\n"); | |
1038 | printf (" -N <nr-cpus>\n"); | |
1039 | printf ("\t Generate a simulator supporting <nr-cpus>\n"); | |
4e0bf4c4 AC |
1040 | printf |
1041 | ("\t Specify `-N 0' to disable generation of the SMP. Specifying `-N 1' will\n"); | |
1042 | printf | |
1043 | ("\t still generate an SMP enabled simulator but will only support one CPU.\n"); | |
c906108c SS |
1044 | printf ("\n"); |
1045 | printf (" -T <mechanism>\n"); | |
4e0bf4c4 AC |
1046 | printf |
1047 | ("\t Override the decode mechanism specified by the decode rules\n"); | |
c906108c SS |
1048 | printf ("\n"); |
1049 | printf (" -P <prefix>\n"); | |
4e0bf4c4 AC |
1050 | printf |
1051 | ("\t Prepend global names (except itable) with the string <prefix>.\n"); | |
1052 | printf | |
1053 | ("\t Specify -P <module>=<prefix> to set a specific <module>'s prefix.\n"); | |
c906108c SS |
1054 | printf ("\n"); |
1055 | printf (" -S <suffix>\n"); | |
4e0bf4c4 AC |
1056 | printf |
1057 | ("\t Replace a global name (suffix) (except itable) with the string <suffix>.\n"); | |
1058 | printf | |
1059 | ("\t Specify -S <module>=<suffix> to change a specific <module>'s name (suffix).\n"); | |
c906108c SS |
1060 | printf ("\n"); |
1061 | printf (" -Werror\n"); | |
1062 | printf ("\t Make warnings errors\n"); | |
1063 | printf (" -Wnodiscard\n"); | |
4e0bf4c4 AC |
1064 | printf |
1065 | ("\t Suppress warnings about discarded functions and instructions\n"); | |
c906108c | 1066 | printf (" -Wnowidth\n"); |
4e0bf4c4 AC |
1067 | printf |
1068 | ("\t Suppress warnings about instructions with invalid widths\n"); | |
c906108c SS |
1069 | printf (" -Wnounimplemented\n"); |
1070 | printf ("\t Suppress warnings about unimplemented instructions\n"); | |
1071 | printf ("\n"); | |
1072 | printf (" -G [!]<gen-option>\n"); | |
1073 | printf ("\t Any of the following options:\n"); | |
1074 | printf ("\n"); | |
4e0bf4c4 AC |
1075 | printf |
1076 | ("\t decode-duplicate - Override the decode rules, forcing the duplication of\n"); | |
c906108c | 1077 | printf ("\t semantic functions\n"); |
4e0bf4c4 AC |
1078 | printf |
1079 | ("\t decode-combine - Combine any duplicated entries within a table\n"); | |
1080 | printf | |
1081 | ("\t decode-zero-reserved - Override the decode rules, forcing reserved bits to be\n"); | |
c906108c | 1082 | printf ("\t treated as zero.\n"); |
4e0bf4c4 AC |
1083 | printf |
1084 | ("\t decode-switch-is-goto - Overfide the padded-switch code type as a goto-switch\n"); | |
c906108c | 1085 | printf ("\n"); |
4e0bf4c4 AC |
1086 | printf |
1087 | ("\t gen-conditional-issue - conditionally issue each instruction\n"); | |
1088 | printf | |
1089 | ("\t gen-delayed-branch - need both cia and nia passed around\n"); | |
1090 | printf | |
1091 | ("\t gen-direct-access - use #defines to directly access values\n"); | |
1092 | printf | |
1093 | ("\t gen-zero-r<N> - arch assumes GPR(<N>) == 0, keep it that way\n"); | |
1094 | printf | |
1095 | ("\t gen-icache[=<N> - generate an instruction cracking cache of size <N>\n"); | |
1096 | printf ("\t Default size is %d\n", | |
1097 | options.gen.icache_size); | |
1098 | printf | |
1099 | ("\t gen-insn-in-icache - save original instruction when cracking\n"); | |
1100 | printf | |
1101 | ("\t gen-multi-sim[=MODEL] - generate multiple simulators - one per model\n"); | |
1102 | printf | |
1103 | ("\t If specified MODEL is made the default architecture.\n"); | |
1104 | printf | |
1105 | ("\t By default, a single simulator that will\n"); | |
1106 | printf | |
1107 | ("\t execute any instruction is generated\n"); | |
1108 | printf | |
1109 | ("\t gen-multi-word - generate code allowing for multi-word insns\n"); | |
1110 | printf | |
1111 | ("\t gen-semantic-icache - include semantic code in cracking functions\n"); | |
1112 | printf | |
1113 | ("\t gen-slot-verification - perform slot verification as part of decode\n"); | |
c906108c SS |
1114 | printf ("\t gen-nia-invalid - NIA defaults to nia_invalid\n"); |
1115 | printf ("\t gen-nia-void - do not compute/return NIA\n"); | |
1116 | printf ("\n"); | |
4e0bf4c4 AC |
1117 | printf |
1118 | ("\t trace-combine - report combined entries a rule application\n"); | |
1119 | printf | |
1120 | ("\t trace-entries - report entries after a rules application\n"); | |
c906108c SS |
1121 | printf ("\t trace-rule-rejection - report each rule as rejected\n"); |
1122 | printf ("\t trace-rule-selection - report each rule as selected\n"); | |
4e0bf4c4 AC |
1123 | printf |
1124 | ("\t trace-insn-insertion - report each instruction as it is inserted into a decode table\n"); | |
1125 | printf | |
1126 | ("\t trace-rule-expansion - report each instruction as it is expanded (before insertion into a decode table)\n"); | |
c906108c SS |
1127 | printf ("\t trace-all - enable all trace options\n"); |
1128 | printf ("\n"); | |
4e0bf4c4 AC |
1129 | printf |
1130 | ("\t field-widths - instruction formats specify widths (deprecated)\n"); | |
1131 | printf | |
1132 | ("\t By default, an instruction format specifies bit\n"); | |
c906108c | 1133 | printf ("\t positions\n"); |
4e0bf4c4 AC |
1134 | printf |
1135 | ("\t This option can now be set directly in the\n"); | |
c906108c | 1136 | printf ("\t instruction table\n"); |
4e0bf4c4 AC |
1137 | printf |
1138 | ("\t jumps - use jumps instead of function calls\n"); | |
1139 | printf | |
1140 | ("\t omit-line-numbers - do not include line number information in the output\n"); | |
c906108c SS |
1141 | printf ("\n"); |
1142 | printf ("Input options:\n"); | |
1143 | printf ("\n"); | |
5accf1ff | 1144 | printf (" -k <cache-rules> (deprecated)\n"); |
c906108c SS |
1145 | printf (" -o <decode-rules>\n"); |
1146 | printf (" -i <instruction-table>\n"); | |
1147 | printf ("\n"); | |
1148 | printf ("Output options:\n"); | |
1149 | printf ("\n"); | |
1150 | printf (" -x Perform expansion (required)\n"); | |
4e0bf4c4 AC |
1151 | printf |
1152 | (" -n <real-name> Specify the real name of the next output file\n"); | |
1153 | printf | |
1154 | (" -h Generate the header (.h) file rather than the body (.c)\n"); | |
c906108c SS |
1155 | printf (" -c <output-file> output icache\n"); |
1156 | printf (" -d <output-file> output idecode\n"); | |
1157 | printf (" -e <output-file> output engine\n"); | |
1158 | printf (" -f <output-file> output support functions\n"); | |
1159 | printf (" -m <output-file> output model\n"); | |
1160 | printf (" -r <output-file> output multi-sim run\n"); | |
1161 | printf (" -s <output-file> output schematic\n"); | |
1162 | printf (" -t <output-file> output itable\n"); | |
1163 | } | |
4e0bf4c4 AC |
1164 | |
1165 | while ((ch = getopt (argc, argv, | |
1166 | "B:D:F:G:H:I:M:N:P:T:W:o:k:i:n:hc:d:e:m:r:s:t:f:x")) | |
c906108c SS |
1167 | != -1) |
1168 | { | |
1169 | fprintf (stderr, " -%c ", ch); | |
1170 | if (optarg) | |
1171 | fprintf (stderr, "%s ", optarg); | |
1172 | fprintf (stderr, "\\\n"); | |
4e0bf4c4 AC |
1173 | |
1174 | switch (ch) | |
c906108c | 1175 | { |
4e0bf4c4 | 1176 | |
c906108c SS |
1177 | case 'M': |
1178 | filter_parse (&options.model_filter, optarg); | |
1179 | break; | |
1180 | ||
1181 | case 'D': | |
1182 | if (strcmp (optarg, "processor-names")) | |
1183 | { | |
1184 | char *processor; | |
1185 | for (processor = filter_next (options.model_filter, ""); | |
1186 | processor != NULL; | |
1187 | processor = filter_next (options.model_filter, processor)) | |
1188 | lf_printf (standard_out, "%s\n", processor); | |
1189 | } | |
1190 | else | |
1191 | error (NULL, "Unknown data structure %s, not dumped\n", optarg); | |
1192 | break; | |
1193 | ||
1194 | case 'F': | |
1195 | filter_parse (&options.flags_filter, optarg); | |
1196 | break; | |
4e0bf4c4 | 1197 | |
c906108c SS |
1198 | case 'I': |
1199 | { | |
1200 | table_include **dir = &options.include; | |
1201 | while ((*dir) != NULL) | |
1202 | dir = &(*dir)->next; | |
1203 | (*dir) = ZALLOC (table_include); | |
1204 | (*dir)->dir = strdup (optarg); | |
1205 | } | |
1206 | break; | |
4e0bf4c4 | 1207 | |
c906108c SS |
1208 | case 'B': |
1209 | options.insn_bit_size = a2i (optarg); | |
1210 | if (options.insn_bit_size <= 0 | |
1211 | || options.insn_bit_size > max_insn_bit_size) | |
1212 | { | |
1213 | error (NULL, "Instruction bitsize must be in range 1..%d\n", | |
1214 | max_insn_bit_size); | |
1215 | } | |
1216 | if (options.hi_bit_nr != options.insn_bit_size - 1 | |
1217 | && options.hi_bit_nr != 0) | |
1218 | { | |
1219 | error (NULL, "Conflict betweem hi-bit-nr and insn-bit-size\n"); | |
1220 | } | |
1221 | break; | |
4e0bf4c4 | 1222 | |
c906108c SS |
1223 | case 'H': |
1224 | options.hi_bit_nr = a2i (optarg); | |
1225 | if (options.hi_bit_nr != options.insn_bit_size - 1 | |
1226 | && options.hi_bit_nr != 0) | |
1227 | { | |
1228 | error (NULL, "Conflict between hi-bit-nr and insn-bit-size\n"); | |
1229 | } | |
1230 | break; | |
4e0bf4c4 | 1231 | |
c906108c SS |
1232 | case 'N': |
1233 | options.gen.smp = a2i (optarg); | |
1234 | break; | |
4e0bf4c4 | 1235 | |
c906108c SS |
1236 | case 'P': |
1237 | case 'S': | |
1238 | { | |
1239 | igen_module *names; | |
1240 | igen_name *name; | |
1241 | char *chp; | |
1242 | chp = strchr (optarg, '='); | |
1243 | if (chp == NULL) | |
1244 | { | |
1245 | names = &options.module.global; | |
1246 | chp = optarg; | |
1247 | } | |
1248 | else | |
1249 | { | |
4e0bf4c4 | 1250 | chp = chp + 1; /* skip `=' */ |
c906108c SS |
1251 | names = NULL; |
1252 | if (strncmp (optarg, "global=", chp - optarg) == 0) | |
1253 | { | |
1254 | names = &options.module.global; | |
1255 | } | |
1256 | if (strncmp (optarg, "engine=", chp - optarg) == 0) | |
1257 | { | |
1258 | names = &options.module.engine; | |
1259 | } | |
1260 | if (strncmp (optarg, "icache=", chp - optarg) == 0) | |
1261 | { | |
1262 | names = &options.module.icache; | |
1263 | } | |
1264 | if (strncmp (optarg, "idecode=", chp - optarg) == 0) | |
1265 | { | |
1266 | names = &options.module.idecode; | |
1267 | } | |
1268 | if (strncmp (optarg, "itable=", chp - optarg) == 0) | |
1269 | { | |
1270 | names = &options.module.itable; | |
1271 | } | |
1272 | if (strncmp (optarg, "semantics=", chp - optarg) == 0) | |
1273 | { | |
1274 | names = &options.module.semantics; | |
1275 | } | |
1276 | if (strncmp (optarg, "support=", chp - optarg) == 0) | |
1277 | { | |
1278 | names = &options.module.support; | |
1279 | } | |
1280 | if (names == NULL) | |
1281 | { | |
1282 | error (NULL, "Prefix `%s' unreconized\n", optarg); | |
1283 | } | |
1284 | } | |
1285 | switch (ch) | |
1286 | { | |
1287 | case 'P': | |
1288 | name = &names->prefix; | |
1289 | break; | |
1290 | case 'S': | |
1291 | name = &names->suffix; | |
1292 | break; | |
78e731cd | 1293 | default: |
4e0bf4c4 | 1294 | abort (); /* Bad switch. */ |
c906108c SS |
1295 | } |
1296 | name->u = strdup (chp); | |
1297 | name->l = strdup (chp); | |
1298 | chp = name->u; | |
4e0bf4c4 AC |
1299 | while (*chp) |
1300 | { | |
1301 | if (islower (*chp)) | |
1302 | *chp = toupper (*chp); | |
1303 | chp++; | |
1304 | } | |
c906108c SS |
1305 | if (name == &options.module.global.prefix) |
1306 | { | |
1307 | options.module.engine.prefix = options.module.global.prefix; | |
1308 | options.module.icache.prefix = options.module.global.prefix; | |
1309 | options.module.idecode.prefix = options.module.global.prefix; | |
1310 | /* options.module.itable.prefix = options.module.global.prefix; */ | |
4e0bf4c4 AC |
1311 | options.module.semantics.prefix = |
1312 | options.module.global.prefix; | |
c906108c SS |
1313 | options.module.support.prefix = options.module.global.prefix; |
1314 | } | |
1315 | if (name == &options.module.global.suffix) | |
1316 | { | |
1317 | options.module.engine.suffix = options.module.global.suffix; | |
1318 | options.module.icache.suffix = options.module.global.suffix; | |
1319 | options.module.idecode.suffix = options.module.global.suffix; | |
1320 | /* options.module.itable.suffix = options.module.global.suffix; */ | |
4e0bf4c4 AC |
1321 | options.module.semantics.suffix = |
1322 | options.module.global.suffix; | |
c906108c SS |
1323 | options.module.support.suffix = options.module.global.suffix; |
1324 | } | |
1325 | break; | |
1326 | } | |
4e0bf4c4 | 1327 | |
c906108c SS |
1328 | case 'W': |
1329 | { | |
1330 | if (strcmp (optarg, "error") == 0) | |
1331 | options.warning = error; | |
1332 | else if (strcmp (optarg, "nodiscard") == 0) | |
1333 | options.warn.discard = 0; | |
1334 | else if (strcmp (optarg, "discard") == 0) | |
1335 | options.warn.discard = 1; | |
1336 | else if (strcmp (optarg, "nowidth") == 0) | |
1337 | options.warn.width = 0; | |
1338 | else if (strcmp (optarg, "width") == 0) | |
1339 | options.warn.width = 1; | |
1340 | else if (strcmp (optarg, "nounimplemented") == 0) | |
1341 | options.warn.unimplemented = 0; | |
1342 | else if (strcmp (optarg, "unimplemented") == 0) | |
1343 | options.warn.unimplemented = 1; | |
1344 | else | |
1345 | error (NULL, "Unknown -W argument `%s'\n", optarg); | |
1346 | break; | |
1347 | } | |
1348 | ||
1349 | ||
1350 | case 'G': | |
1351 | { | |
1352 | int enable_p; | |
1353 | char *argp; | |
1354 | if (strncmp (optarg, "no-", strlen ("no-")) == 0) | |
1355 | { | |
1356 | argp = optarg + strlen ("no-"); | |
1357 | enable_p = 0; | |
1358 | } | |
1359 | else if (strncmp (optarg, "!", strlen ("!")) == 0) | |
1360 | { | |
1361 | argp = optarg + strlen ("no-"); | |
1362 | enable_p = 0; | |
1363 | } | |
1364 | else | |
1365 | { | |
1366 | argp = optarg; | |
1367 | enable_p = 1; | |
1368 | } | |
1369 | if (strcmp (argp, "decode-duplicate") == 0) | |
1370 | { | |
1371 | options.decode.duplicate = enable_p; | |
1372 | } | |
1373 | else if (strcmp (argp, "decode-combine") == 0) | |
1374 | { | |
1375 | options.decode.combine = enable_p; | |
1376 | } | |
1377 | else if (strcmp (argp, "decode-zero-reserved") == 0) | |
1378 | { | |
1379 | options.decode.zero_reserved = enable_p; | |
1380 | } | |
4e0bf4c4 | 1381 | |
c906108c SS |
1382 | else if (strcmp (argp, "gen-conditional-issue") == 0) |
1383 | { | |
1384 | options.gen.conditional_issue = enable_p; | |
1385 | } | |
1386 | else if (strcmp (argp, "conditional-issue") == 0) | |
1387 | { | |
1388 | options.gen.conditional_issue = enable_p; | |
4e0bf4c4 AC |
1389 | options.warning (NULL, |
1390 | "Option conditional-issue replaced by gen-conditional-issue\n"); | |
c906108c SS |
1391 | } |
1392 | else if (strcmp (argp, "gen-delayed-branch") == 0) | |
1393 | { | |
1394 | options.gen.delayed_branch = enable_p; | |
1395 | } | |
1396 | else if (strcmp (argp, "delayed-branch") == 0) | |
1397 | { | |
1398 | options.gen.delayed_branch = enable_p; | |
4e0bf4c4 AC |
1399 | options.warning (NULL, |
1400 | "Option delayed-branch replaced by gen-delayed-branch\n"); | |
c906108c SS |
1401 | } |
1402 | else if (strcmp (argp, "gen-direct-access") == 0) | |
1403 | { | |
1404 | options.gen.direct_access = enable_p; | |
1405 | } | |
1406 | else if (strcmp (argp, "direct-access") == 0) | |
1407 | { | |
1408 | options.gen.direct_access = enable_p; | |
4e0bf4c4 AC |
1409 | options.warning (NULL, |
1410 | "Option direct-access replaced by gen-direct-access\n"); | |
c906108c SS |
1411 | } |
1412 | else if (strncmp (argp, "gen-zero-r", strlen ("gen-zero-r")) == 0) | |
1413 | { | |
1414 | options.gen.zero_reg = enable_p; | |
1415 | options.gen.zero_reg_nr = atoi (argp + strlen ("gen-zero-r")); | |
1416 | } | |
1417 | else if (strncmp (argp, "zero-r", strlen ("zero-r")) == 0) | |
1418 | { | |
1419 | options.gen.zero_reg = enable_p; | |
1420 | options.gen.zero_reg_nr = atoi (argp + strlen ("zero-r")); | |
4e0bf4c4 AC |
1421 | options.warning (NULL, |
1422 | "Option zero-r<N> replaced by gen-zero-r<N>\n"); | |
c906108c SS |
1423 | } |
1424 | else if (strncmp (argp, "gen-icache", strlen ("gen-icache")) == 0) | |
1425 | { | |
1426 | switch (argp[strlen ("gen-icache")]) | |
1427 | { | |
1428 | case '=': | |
4e0bf4c4 AC |
1429 | options.gen.icache_size = |
1430 | atoi (argp + strlen ("gen-icache") + 1); | |
c906108c SS |
1431 | options.gen.icache = enable_p; |
1432 | break; | |
1433 | case '\0': | |
1434 | options.gen.icache = enable_p; | |
1435 | break; | |
1436 | default: | |
4e0bf4c4 AC |
1437 | error (NULL, |
1438 | "Expecting -Ggen-icache or -Ggen-icache=<N>\n"); | |
c906108c SS |
1439 | } |
1440 | } | |
1441 | else if (strcmp (argp, "gen-insn-in-icache") == 0) | |
1442 | { | |
1443 | options.gen.insn_in_icache = enable_p; | |
1444 | } | |
4e0bf4c4 AC |
1445 | else if (strncmp (argp, "gen-multi-sim", strlen ("gen-multi-sim")) |
1446 | == 0) | |
c906108c SS |
1447 | { |
1448 | char *arg = &argp[strlen ("gen-multi-sim")]; | |
1449 | switch (arg[0]) | |
1450 | { | |
1451 | case '=': | |
1452 | options.gen.multi_sim = enable_p; | |
1453 | options.gen.default_model = arg + 1; | |
4e0bf4c4 AC |
1454 | if (!filter_is_member |
1455 | (options.model_filter, options.gen.default_model)) | |
1456 | error (NULL, "multi-sim model %s unknown\n", | |
1457 | options.gen.default_model); | |
c906108c SS |
1458 | break; |
1459 | case '\0': | |
1460 | options.gen.multi_sim = enable_p; | |
1461 | options.gen.default_model = NULL; | |
1462 | break; | |
1463 | default: | |
4e0bf4c4 AC |
1464 | error (NULL, |
1465 | "Expecting -Ggen-multi-sim or -Ggen-multi-sim=<MODEL>\n"); | |
c906108c SS |
1466 | break; |
1467 | } | |
1468 | } | |
1469 | else if (strcmp (argp, "gen-multi-word") == 0) | |
1470 | { | |
1471 | options.gen.multi_word = enable_p; | |
1472 | } | |
1473 | else if (strcmp (argp, "gen-semantic-icache") == 0) | |
1474 | { | |
1475 | options.gen.semantic_icache = enable_p; | |
1476 | } | |
1477 | else if (strcmp (argp, "gen-slot-verification") == 0) | |
1478 | { | |
1479 | options.gen.slot_verification = enable_p; | |
1480 | } | |
1481 | else if (strcmp (argp, "verify-slot") == 0) | |
1482 | { | |
1483 | options.gen.slot_verification = enable_p; | |
4e0bf4c4 AC |
1484 | options.warning (NULL, |
1485 | "Option verify-slot replaced by gen-slot-verification\n"); | |
c906108c SS |
1486 | } |
1487 | else if (strcmp (argp, "gen-nia-invalid") == 0) | |
1488 | { | |
1489 | options.gen.nia = nia_is_invalid; | |
1490 | } | |
1491 | else if (strcmp (argp, "default-nia-minus-one") == 0) | |
1492 | { | |
1493 | options.gen.nia = nia_is_invalid; | |
4e0bf4c4 AC |
1494 | options.warning (NULL, |
1495 | "Option default-nia-minus-one replaced by gen-nia-invalid\n"); | |
c906108c SS |
1496 | } |
1497 | else if (strcmp (argp, "gen-nia-void") == 0) | |
1498 | { | |
1499 | options.gen.nia = nia_is_void; | |
1500 | } | |
1501 | else if (strcmp (argp, "trace-all") == 0) | |
1502 | { | |
1503 | memset (&options.trace, enable_p, sizeof (options.trace)); | |
1504 | } | |
1505 | else if (strcmp (argp, "trace-combine") == 0) | |
1506 | { | |
1507 | options.trace.combine = enable_p; | |
1508 | } | |
1509 | else if (strcmp (argp, "trace-entries") == 0) | |
1510 | { | |
1511 | options.trace.entries = enable_p; | |
1512 | } | |
1513 | else if (strcmp (argp, "trace-rule-rejection") == 0) | |
1514 | { | |
1515 | options.trace.rule_rejection = enable_p; | |
1516 | } | |
1517 | else if (strcmp (argp, "trace-rule-selection") == 0) | |
1518 | { | |
1519 | options.trace.rule_selection = enable_p; | |
1520 | } | |
1521 | else if (strcmp (argp, "trace-insn-insertion") == 0) | |
1522 | { | |
1523 | options.trace.insn_insertion = enable_p; | |
1524 | } | |
1525 | else if (strcmp (argp, "trace-insn-expansion") == 0) | |
1526 | { | |
1527 | options.trace.insn_expansion = enable_p; | |
1528 | } | |
1529 | else if (strcmp (argp, "jumps") == 0) | |
1530 | { | |
1531 | options.gen.code = generate_jumps; | |
1532 | } | |
1533 | else if (strcmp (argp, "field-widths") == 0) | |
1534 | { | |
1535 | options.insn_specifying_widths = enable_p; | |
1536 | } | |
1537 | else if (strcmp (argp, "omit-line-numbers") == 0) | |
1538 | { | |
1539 | file_references = lf_omit_references; | |
1540 | } | |
1541 | else | |
1542 | { | |
1543 | error (NULL, "Unknown option %s\n", optarg); | |
1544 | } | |
1545 | break; | |
1546 | } | |
4e0bf4c4 | 1547 | |
c906108c SS |
1548 | case 'i': |
1549 | isa = load_insn_table (optarg, cache_rules); | |
1550 | if (isa->illegal_insn == NULL) | |
1551 | error (NULL, "illegal-instruction missing from insn table\n"); | |
1552 | break; | |
1553 | ||
1554 | case 'x': | |
1555 | gen = do_gen (isa, decode_rules); | |
1556 | break; | |
1557 | ||
1558 | case 'o': | |
1559 | decode_rules = load_decode_table (optarg); | |
1560 | break; | |
1561 | ||
1562 | case 'k': | |
1563 | if (isa != NULL) | |
1564 | error (NULL, "Cache file must appear before the insn file\n"); | |
1565 | cache_rules = load_cache_table (optarg); | |
1566 | break; | |
1567 | ||
1568 | case 'n': | |
4e0bf4c4 | 1569 | real_file_name = strdup (optarg); |
c906108c SS |
1570 | break; |
1571 | ||
1572 | case 'h': | |
1573 | is_header = 1; | |
1574 | break; | |
4e0bf4c4 | 1575 | |
c906108c SS |
1576 | case 'c': |
1577 | case 'd': | |
1578 | case 'e': | |
1579 | case 'f': | |
1580 | case 'm': | |
1581 | case 'r': | |
1582 | case 's': | |
1583 | case 't': | |
1584 | { | |
4e0bf4c4 AC |
1585 | lf *file = lf_open (optarg, real_file_name, file_references, |
1586 | (is_header ? lf_is_h : lf_is_c), | |
1587 | argv[0]); | |
c906108c SS |
1588 | if (gen == NULL && ch != 't' && ch != 'm' && ch != 'f') |
1589 | { | |
4e0bf4c4 AC |
1590 | options.warning (NULL, |
1591 | "Explicitly generate tables with -x option\n"); | |
c906108c SS |
1592 | gen = do_gen (isa, decode_rules); |
1593 | } | |
4e0bf4c4 | 1594 | lf_print__file_start (file); |
c906108c SS |
1595 | switch (ch) |
1596 | { | |
1597 | case 'm': | |
1598 | if (is_header) | |
1599 | gen_model_h (file, isa); | |
1600 | else | |
1601 | gen_model_c (file, isa); | |
1602 | break; | |
1603 | case 't': | |
1604 | if (is_header) | |
1605 | gen_itable_h (file, isa); | |
1606 | else | |
1607 | gen_itable_c (file, isa); | |
1608 | break; | |
1609 | case 'f': | |
1610 | if (is_header) | |
1611 | gen_support_h (file, isa); | |
1612 | else | |
1613 | gen_support_c (file, isa); | |
1614 | break; | |
1615 | case 'r': | |
1616 | if (is_header) | |
1617 | options.warning (NULL, "-hr option ignored\n"); | |
1618 | else | |
1619 | gen_run_c (file, gen); | |
1620 | break; | |
1621 | case 's': | |
4e0bf4c4 | 1622 | if (is_header) |
c906108c SS |
1623 | gen_semantics_h (file, gen->semantics, isa->max_nr_words); |
1624 | else | |
1625 | gen_semantics_c (file, gen->semantics, isa->caches); | |
1626 | break; | |
1627 | case 'd': | |
1628 | if (is_header) | |
1629 | gen_idecode_h (file, gen, isa, cache_rules); | |
1630 | else | |
1631 | gen_idecode_c (file, gen, isa, cache_rules); | |
1632 | break; | |
1633 | case 'e': | |
1634 | if (is_header) | |
1635 | gen_engine_h (file, gen, isa, cache_rules); | |
1636 | else | |
1637 | gen_engine_c (file, gen, isa, cache_rules); | |
1638 | break; | |
1639 | case 'c': | |
1640 | if (is_header) | |
1641 | gen_icache_h (file, | |
1642 | gen->semantics, | |
4e0bf4c4 | 1643 | isa->functions, isa->max_nr_words); |
c906108c SS |
1644 | else |
1645 | gen_icache_c (file, | |
4e0bf4c4 | 1646 | gen->semantics, isa->functions, cache_rules); |
c906108c SS |
1647 | break; |
1648 | } | |
4e0bf4c4 AC |
1649 | lf_print__file_finish (file); |
1650 | lf_close (file); | |
c906108c SS |
1651 | is_header = 0; |
1652 | } | |
4e0bf4c4 AC |
1653 | real_file_name = NULL; |
1654 | break; | |
c906108c SS |
1655 | default: |
1656 | ERROR ("Bad switch"); | |
1657 | } | |
1658 | } | |
1659 | return (0); | |
1660 | } |