Commit | Line | Data |
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feaee4bd AC |
1 | /* The IGEN simulator generator for GDB, the GNU Debugger. |
2 | ||
e4d013fc | 3 | Copyright 2002, 2007, 2008, 2009 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 SS |
21 | |
22 | ||
23 | ||
24 | #include <getopt.h> | |
25 | ||
26 | #include "misc.h" | |
27 | #include "lf.h" | |
28 | #include "table.h" | |
29 | #include "config.h" | |
30 | #include "filter.h" | |
31 | ||
32 | #include "igen.h" | |
33 | ||
34 | #include "ld-insn.h" | |
35 | #include "ld-decode.h" | |
36 | #include "ld-cache.h" | |
37 | ||
38 | #include "gen.h" | |
39 | ||
40 | #include "gen-model.h" | |
41 | #include "gen-icache.h" | |
42 | #include "gen-itable.h" | |
43 | #include "gen-idecode.h" | |
44 | #include "gen-semantics.h" | |
45 | #include "gen-engine.h" | |
46 | #include "gen-support.h" | |
47 | #include "gen-engine.h" | |
48 | ||
49 | ||
50 | /****************************************************************/ | |
51 | ||
52 | ||
53 | /* Semantic functions */ | |
54 | ||
55 | int | |
4e0bf4c4 | 56 | print_semantic_function_formal (lf *file, int nr_prefetched_words) |
c906108c SS |
57 | { |
58 | int nr = 0; | |
59 | int word_nr; | |
60 | if (options.gen.icache || nr_prefetched_words < 0) | |
61 | { | |
62 | nr += lf_printf (file, "SIM_DESC sd,\n"); | |
63 | nr += lf_printf (file, "%sidecode_cache *cache_entry,\n", | |
64 | options.module.global.prefix.l); | |
65 | nr += lf_printf (file, "%sinstruction_address cia", | |
66 | options.module.global.prefix.l); | |
67 | } | |
68 | else if (options.gen.smp) | |
69 | { | |
70 | nr += lf_printf (file, "sim_cpu *cpu,\n"); | |
71 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
72 | { | |
73 | nr += lf_printf (file, "%sinstruction_word instruction_%d,\n", | |
4e0bf4c4 | 74 | options.module.global.prefix.l, word_nr); |
c906108c SS |
75 | } |
76 | nr += lf_printf (file, "%sinstruction_address cia", | |
77 | options.module.global.prefix.l); | |
78 | } | |
79 | else | |
80 | { | |
81 | nr += lf_printf (file, "SIM_DESC sd,\n"); | |
82 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
83 | { | |
84 | nr += lf_printf (file, "%sinstruction_word instruction_%d,\n", | |
4e0bf4c4 | 85 | options.module.global.prefix.l, word_nr); |
c906108c SS |
86 | } |
87 | nr += lf_printf (file, "%sinstruction_address cia", | |
88 | options.module.global.prefix.l); | |
89 | } | |
90 | return nr; | |
91 | } | |
92 | ||
93 | int | |
4e0bf4c4 | 94 | print_semantic_function_actual (lf *file, int nr_prefetched_words) |
c906108c SS |
95 | { |
96 | int nr = 0; | |
97 | int word_nr; | |
98 | if (options.gen.icache || nr_prefetched_words < 0) | |
99 | { | |
100 | nr += lf_printf (file, "sd, cache_entry, cia"); | |
101 | } | |
102 | else | |
103 | { | |
104 | if (options.gen.smp) | |
105 | nr += lf_printf (file, "cpu"); | |
106 | else | |
107 | nr += lf_printf (file, "sd"); | |
108 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
109 | nr += lf_printf (file, ", instruction_%d", word_nr); | |
110 | nr += lf_printf (file, ", cia"); | |
111 | } | |
112 | return nr; | |
113 | } | |
114 | ||
115 | int | |
116 | print_semantic_function_type (lf *file) | |
117 | { | |
118 | int nr = 0; | |
119 | nr += lf_printf (file, "%sinstruction_address", | |
120 | options.module.global.prefix.l); | |
121 | return nr; | |
122 | } | |
123 | ||
124 | ||
125 | /* Idecode functions */ | |
126 | ||
127 | int | |
4e0bf4c4 | 128 | print_icache_function_formal (lf *file, int nr_prefetched_words) |
c906108c SS |
129 | { |
130 | int nr = 0; | |
131 | int word_nr; | |
132 | if (options.gen.smp) | |
4e0bf4c4 | 133 | nr += lf_printf (file, "sim_cpu *cpu,\n"); |
c906108c | 134 | else |
4e0bf4c4 | 135 | nr += lf_printf (file, "SIM_DESC sd,\n"); |
c906108c SS |
136 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) |
137 | nr += lf_printf (file, " %sinstruction_word instruction_%d,\n", | |
138 | options.module.global.prefix.l, word_nr); | |
139 | nr += lf_printf (file, " %sinstruction_address cia,\n", | |
140 | options.module.global.prefix.l); | |
141 | nr += lf_printf (file, " %sidecode_cache *cache_entry", | |
142 | options.module.global.prefix.l); | |
143 | return nr; | |
144 | } | |
145 | ||
146 | int | |
4e0bf4c4 | 147 | print_icache_function_actual (lf *file, int nr_prefetched_words) |
c906108c SS |
148 | { |
149 | int nr = 0; | |
150 | int word_nr; | |
151 | if (options.gen.smp) | |
152 | nr += lf_printf (file, "cpu"); | |
153 | else | |
154 | nr += lf_printf (file, "sd"); | |
155 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
156 | nr += lf_printf (file, ", instruction_%d", word_nr); | |
157 | nr += lf_printf (file, ", cia, cache_entry"); | |
158 | return nr; | |
159 | } | |
160 | ||
161 | int | |
162 | print_icache_function_type (lf *file) | |
163 | { | |
164 | int nr; | |
165 | if (options.gen.semantic_icache) | |
166 | { | |
167 | nr = print_semantic_function_type (file); | |
168 | } | |
169 | else | |
170 | { | |
171 | nr = lf_printf (file, "%sidecode_semantic *", | |
172 | options.module.global.prefix.l); | |
173 | } | |
174 | return nr; | |
175 | } | |
176 | ||
177 | ||
178 | /* Function names */ | |
179 | ||
180 | static int | |
4e0bf4c4 | 181 | print_opcode_bits (lf *file, opcode_bits *bits) |
c906108c SS |
182 | { |
183 | int nr = 0; | |
184 | if (bits == NULL) | |
185 | return nr; | |
186 | nr += lf_putchr (file, '_'); | |
187 | nr += lf_putstr (file, bits->field->val_string); | |
188 | if (bits->opcode->is_boolean && bits->value == 0) | |
189 | nr += lf_putint (file, bits->opcode->boolean_constant); | |
4e0bf4c4 AC |
190 | else if (!bits->opcode->is_boolean) |
191 | { | |
192 | if (bits->opcode->last < bits->field->last) | |
193 | nr += | |
194 | lf_putint (file, | |
195 | bits->value << (bits->field->last - bits->opcode->last)); | |
196 | else | |
197 | nr += lf_putint (file, bits->value); | |
198 | } | |
c906108c SS |
199 | nr += print_opcode_bits (file, bits->next); |
200 | return nr; | |
201 | } | |
202 | ||
203 | static int | |
4e0bf4c4 | 204 | print_c_name (lf *file, const char *name) |
c906108c SS |
205 | { |
206 | int nr = 0; | |
207 | const char *pos; | |
208 | for (pos = name; *pos != '\0'; pos++) | |
209 | { | |
210 | switch (*pos) | |
211 | { | |
212 | case '/': | |
213 | case '-': | |
214 | break; | |
215 | case ' ': | |
216 | case '.': | |
217 | nr += lf_putchr (file, '_'); | |
218 | break; | |
219 | default: | |
220 | nr += lf_putchr (file, *pos); | |
221 | break; | |
222 | } | |
223 | } | |
224 | return nr; | |
225 | } | |
226 | ||
227 | extern int | |
228 | print_function_name (lf *file, | |
229 | const char *basename, | |
230 | const char *format_name, | |
231 | const char *model_name, | |
232 | opcode_bits *expanded_bits, | |
233 | lf_function_name_prefixes prefix) | |
234 | { | |
235 | int nr = 0; | |
236 | /* the prefix */ | |
237 | switch (prefix) | |
238 | { | |
239 | case function_name_prefix_semantics: | |
240 | nr += lf_printf (file, "%s", options.module.semantics.prefix.l); | |
241 | nr += lf_printf (file, "semantic_"); | |
242 | break; | |
243 | case function_name_prefix_idecode: | |
244 | nr += lf_printf (file, "%s", options.module.idecode.prefix.l); | |
245 | nr += lf_printf (file, "idecode_"); | |
246 | break; | |
247 | case function_name_prefix_itable: | |
248 | nr += lf_printf (file, "%sitable_", options.module.itable.prefix.l); | |
249 | break; | |
250 | case function_name_prefix_icache: | |
251 | nr += lf_printf (file, "%s", options.module.icache.prefix.l); | |
252 | nr += lf_printf (file, "icache_"); | |
253 | break; | |
254 | case function_name_prefix_engine: | |
255 | nr += lf_printf (file, "%s", options.module.engine.prefix.l); | |
256 | nr += lf_printf (file, "engine_"); | |
257 | default: | |
258 | break; | |
259 | } | |
4e0bf4c4 | 260 | |
c906108c SS |
261 | if (model_name != NULL) |
262 | { | |
263 | nr += print_c_name (file, model_name); | |
264 | nr += lf_printf (file, "_"); | |
265 | } | |
266 | ||
267 | /* the function name */ | |
268 | nr += print_c_name (file, basename); | |
4e0bf4c4 | 269 | |
c906108c SS |
270 | /* the format name if available */ |
271 | if (format_name != NULL) | |
272 | { | |
273 | nr += lf_printf (file, "_"); | |
274 | nr += print_c_name (file, format_name); | |
275 | } | |
276 | ||
277 | /* the suffix */ | |
278 | nr += print_opcode_bits (file, expanded_bits); | |
279 | ||
280 | return nr; | |
281 | } | |
282 | ||
283 | ||
284 | void | |
285 | print_my_defines (lf *file, | |
286 | const char *basename, | |
4e0bf4c4 | 287 | const char *format_name, opcode_bits *expanded_bits) |
c906108c SS |
288 | { |
289 | /* #define MY_INDEX xxxxx */ | |
290 | lf_indent_suppress (file); | |
291 | lf_printf (file, "#undef MY_INDEX\n"); | |
292 | lf_indent_suppress (file); | |
293 | lf_printf (file, "#define MY_INDEX "); | |
294 | print_function_name (file, | |
295 | basename, format_name, NULL, | |
4e0bf4c4 | 296 | NULL, function_name_prefix_itable); |
c906108c SS |
297 | lf_printf (file, "\n"); |
298 | /* #define MY_PREFIX xxxxxx */ | |
299 | lf_indent_suppress (file); | |
300 | lf_printf (file, "#undef "); | |
301 | print_function_name (file, | |
302 | basename, format_name, NULL, | |
4e0bf4c4 | 303 | expanded_bits, function_name_prefix_none); |
c906108c SS |
304 | lf_printf (file, "\n"); |
305 | lf_indent_suppress (file); | |
306 | lf_printf (file, "#undef MY_PREFIX\n"); | |
307 | lf_indent_suppress (file); | |
308 | lf_printf (file, "#define MY_PREFIX "); | |
309 | print_function_name (file, | |
310 | basename, format_name, NULL, | |
4e0bf4c4 | 311 | expanded_bits, function_name_prefix_none); |
c906108c SS |
312 | lf_printf (file, "\n"); |
313 | /* #define MY_NAME xxxxxx */ | |
314 | lf_indent_suppress (file); | |
315 | lf_indent_suppress (file); | |
316 | lf_printf (file, "#undef MY_NAME\n"); | |
317 | lf_indent_suppress (file); | |
318 | lf_printf (file, "#define MY_NAME \""); | |
319 | print_function_name (file, | |
320 | basename, format_name, NULL, | |
4e0bf4c4 | 321 | expanded_bits, function_name_prefix_none); |
c906108c SS |
322 | lf_printf (file, "\"\n"); |
323 | } | |
324 | ||
325 | ||
326 | static int | |
327 | print_itrace_prefix (lf *file) | |
328 | { | |
329 | const char *prefix = "trace_prefix ("; | |
330 | int indent = strlen (prefix); | |
4e0bf4c4 AC |
331 | lf_printf (file, "%sSD, CPU, cia, CIA, TRACE_LINENUM_P (CPU), \\\n", |
332 | prefix); | |
c906108c | 333 | lf_indent (file, +indent); |
4e0bf4c4 AC |
334 | lf_printf (file, "%sitable[MY_INDEX].file, \\\n", |
335 | options.module.itable.prefix.l); | |
336 | lf_printf (file, "%sitable[MY_INDEX].line_nr, \\\n", | |
337 | options.module.itable.prefix.l); | |
c906108c SS |
338 | lf_printf (file, "\""); |
339 | return indent; | |
340 | } | |
341 | ||
342 | ||
343 | static void | |
4e0bf4c4 | 344 | print_itrace_format (lf *file, insn_mnemonic_entry *assembler) |
c906108c SS |
345 | { |
346 | /* pass=1 is fmt string; pass=2 is arguments */ | |
347 | int pass; | |
348 | /* print the format string */ | |
349 | for (pass = 1; pass <= 2; pass++) | |
350 | { | |
351 | const char *chp = assembler->format; | |
4e0bf4c4 | 352 | chp++; /* skip the leading quote */ |
c906108c SS |
353 | /* write out the format/args */ |
354 | while (*chp != '\0') | |
355 | { | |
356 | if (chp[0] == '\\' && (chp[1] == '<' || chp[1] == '>')) | |
357 | { | |
358 | if (pass == 1) | |
359 | lf_putchr (file, chp[1]); | |
360 | chp += 2; | |
361 | } | |
362 | else if (chp[0] == '<' || chp[0] == '%') | |
363 | { | |
364 | /* parse [ "%" ... ] "<" [ func "#" ] param ">" */ | |
365 | const char *fmt; | |
366 | const char *func; | |
367 | int strlen_func; | |
368 | const char *param; | |
369 | int strlen_param; | |
370 | /* the "%" ... "<" format */ | |
371 | fmt = chp; | |
372 | while (chp[0] != '<' && chp[0] != '\0') | |
373 | chp++; | |
374 | if (chp[0] != '<') | |
375 | error (assembler->line, "Missing `<' after `%%'\n"); | |
376 | chp++; | |
377 | /* [ "func" # ] OR "param" */ | |
378 | func = chp; | |
379 | param = chp; | |
380 | while (chp[0] != '>' && chp[0] != '#' && chp[0] != '\0') | |
381 | chp++; | |
382 | strlen_func = chp - func; | |
383 | if (chp[0] == '#') | |
384 | { | |
385 | chp++; | |
386 | param = chp; | |
387 | while (chp[0] != '>' && chp[0] != '\0') | |
388 | chp++; | |
389 | } | |
390 | strlen_param = chp - param; | |
391 | if (chp[0] != '>') | |
4e0bf4c4 AC |
392 | error (assembler->line, |
393 | "Missing closing `>' in assembler string\n"); | |
c906108c SS |
394 | chp++; |
395 | /* now process it */ | |
396 | if (pass == 2) | |
397 | lf_printf (file, ", \\\n"); | |
398 | if (strncmp (fmt, "<", 1) == 0) | |
399 | /* implicit long int format */ | |
400 | { | |
401 | if (pass == 1) | |
402 | lf_printf (file, "%%ld"); | |
403 | else | |
404 | { | |
405 | lf_printf (file, "(long) "); | |
406 | lf_write (file, param, strlen_param); | |
407 | } | |
408 | } | |
409 | else if (strncmp (fmt, "%<", 2) == 0) | |
410 | /* explicit format */ | |
411 | { | |
412 | if (pass == 1) | |
413 | lf_printf (file, "%%"); | |
414 | else | |
415 | lf_write (file, param, strlen_param); | |
416 | } | |
417 | else if (strncmp (fmt, "%s<", 3) == 0) | |
418 | /* string format */ | |
419 | { | |
420 | if (pass == 1) | |
421 | lf_printf (file, "%%s"); | |
422 | else | |
423 | { | |
4e0bf4c4 AC |
424 | lf_printf (file, "%sstr_", |
425 | options.module.global.prefix.l); | |
c906108c SS |
426 | lf_write (file, func, strlen_func); |
427 | lf_printf (file, " (SD_, "); | |
428 | lf_write (file, param, strlen_param); | |
429 | lf_printf (file, ")"); | |
430 | } | |
431 | } | |
432 | else if (strncmp (fmt, "%lx<", 4) == 0) | |
433 | /* simple hex */ | |
434 | { | |
435 | if (pass == 1) | |
436 | lf_printf (file, "%%lx"); | |
437 | else | |
438 | { | |
439 | lf_printf (file, "(unsigned long) "); | |
440 | lf_write (file, param, strlen_param); | |
441 | } | |
442 | } | |
6225b4b7 | 443 | else if (strncmp (fmt, "%#lx<", 5) == 0) |
4e0bf4c4 | 444 | /* simple hex with 0x prefix */ |
6225b4b7 CD |
445 | { |
446 | if (pass == 1) | |
447 | lf_printf (file, "%%#lx"); | |
448 | else | |
449 | { | |
450 | lf_printf (file, "(unsigned long) "); | |
451 | lf_write (file, param, strlen_param); | |
452 | } | |
453 | } | |
c906108c SS |
454 | else if (strncmp (fmt, "%08lx<", 6) == 0) |
455 | /* simple hex */ | |
456 | { | |
457 | if (pass == 1) | |
458 | lf_printf (file, "%%08lx"); | |
459 | else | |
460 | { | |
461 | lf_printf (file, "(unsigned long) "); | |
462 | lf_write (file, param, strlen_param); | |
463 | } | |
464 | } | |
465 | else | |
466 | error (assembler->line, "Unknown assembler string format\n"); | |
467 | } | |
468 | else | |
469 | { | |
470 | if (pass == 1) | |
471 | lf_putchr (file, chp[0]); | |
472 | chp += 1; | |
473 | } | |
474 | } | |
475 | } | |
476 | lf_printf (file, ");\n"); | |
477 | } | |
478 | ||
479 | ||
480 | void | |
4e0bf4c4 | 481 | print_itrace (lf *file, insn_entry * insn, int idecode) |
c906108c SS |
482 | { |
483 | /* NB: Here we escape each EOLN. This is so that the the compiler | |
484 | treats a trace function call as a single line. Consequently any | |
485 | errors in the line are refered back to the same igen assembler | |
486 | source line */ | |
487 | const char *phase = (idecode) ? "DECODE" : "INSN"; | |
488 | lf_printf (file, "\n"); | |
489 | lf_indent_suppress (file); | |
490 | lf_printf (file, "#if defined (WITH_TRACE)\n"); | |
491 | lf_printf (file, "/* generate a trace prefix if any tracing enabled */\n"); | |
492 | lf_printf (file, "if (TRACE_ANY_P (CPU))\n"); | |
493 | lf_printf (file, " {\n"); | |
494 | lf_indent (file, +4); | |
495 | { | |
496 | if (insn->mnemonics != NULL) | |
497 | { | |
498 | insn_mnemonic_entry *assembler = insn->mnemonics; | |
499 | int is_first = 1; | |
500 | do | |
501 | { | |
502 | if (assembler->condition != NULL) | |
503 | { | |
504 | int indent; | |
505 | lf_printf (file, "%sif (%s)\n", | |
4e0bf4c4 | 506 | is_first ? "" : "else ", assembler->condition); |
c906108c SS |
507 | lf_indent (file, +2); |
508 | lf_print__line_ref (file, assembler->line); | |
509 | indent = print_itrace_prefix (file); | |
510 | print_itrace_format (file, assembler); | |
511 | lf_print__internal_ref (file); | |
512 | lf_indent (file, -indent); | |
513 | lf_indent (file, -2); | |
514 | if (assembler->next == NULL) | |
4e0bf4c4 AC |
515 | error (assembler->line, |
516 | "Missing final unconditional assembler\n"); | |
c906108c SS |
517 | } |
518 | else | |
519 | { | |
520 | int indent; | |
521 | if (!is_first) | |
522 | { | |
523 | lf_printf (file, "else\n"); | |
524 | lf_indent (file, +2); | |
525 | } | |
526 | lf_print__line_ref (file, assembler->line); | |
527 | indent = print_itrace_prefix (file); | |
528 | print_itrace_format (file, assembler); | |
529 | lf_print__internal_ref (file); | |
530 | lf_indent (file, -indent); | |
531 | if (!is_first) | |
532 | lf_indent (file, -2); | |
533 | if (assembler->next != NULL) | |
4e0bf4c4 AC |
534 | error (assembler->line, |
535 | "Unconditional assembler is not last\n"); | |
c906108c SS |
536 | } |
537 | is_first = 0; | |
538 | assembler = assembler->next; | |
539 | } | |
540 | while (assembler != NULL); | |
541 | } | |
542 | else | |
543 | { | |
544 | int indent; | |
545 | lf_indent (file, +2); | |
546 | lf_print__line_ref (file, insn->line); | |
547 | indent = print_itrace_prefix (file); | |
548 | lf_printf (file, "%%s\", \\\n"); | |
549 | lf_printf (file, "itable[MY_INDEX].name);\n"); | |
550 | lf_print__internal_ref (file); | |
551 | lf_indent (file, -indent); | |
552 | lf_indent (file, -2); | |
553 | } | |
554 | lf_printf (file, "/* trace the instruction execution if enabled */\n"); | |
555 | lf_printf (file, "if (TRACE_%s_P (CPU))\n", phase); | |
4e0bf4c4 AC |
556 | lf_printf (file, |
557 | " trace_generic (SD, CPU, TRACE_%s_IDX, \" %%s\", itable[MY_INDEX].name);\n", | |
558 | phase); | |
c906108c SS |
559 | } |
560 | lf_indent (file, -4); | |
561 | lf_printf (file, " }\n"); | |
562 | lf_indent_suppress (file); | |
563 | lf_printf (file, "#endif\n"); | |
564 | } | |
565 | ||
566 | ||
567 | void | |
4e0bf4c4 | 568 | print_sim_engine_abort (lf *file, const char *message) |
c906108c SS |
569 | { |
570 | lf_printf (file, "sim_engine_abort (SD, CPU, cia, "); | |
571 | lf_printf (file, "\"%s\"", message); | |
572 | lf_printf (file, ");\n"); | |
573 | } | |
574 | ||
575 | ||
576 | void | |
4e0bf4c4 | 577 | print_include (lf *file, igen_module module) |
c906108c SS |
578 | { |
579 | lf_printf (file, "#include \"%s%s.h\"\n", module.prefix.l, module.suffix.l); | |
580 | } | |
581 | ||
582 | void | |
4e0bf4c4 | 583 | print_include_inline (lf *file, igen_module module) |
c906108c SS |
584 | { |
585 | lf_printf (file, "#if C_REVEALS_MODULE_P (%s_INLINE)\n", module.suffix.u); | |
586 | lf_printf (file, "#include \"%s%s.c\"\n", module.prefix.l, module.suffix.l); | |
587 | lf_printf (file, "#else\n"); | |
588 | print_include (file, module); | |
589 | lf_printf (file, "#endif\n"); | |
590 | lf_printf (file, "\n"); | |
591 | } | |
592 | ||
593 | void | |
594 | print_includes (lf *file) | |
595 | { | |
596 | lf_printf (file, "\n"); | |
597 | lf_printf (file, "#include \"sim-inline.c\"\n"); | |
598 | lf_printf (file, "\n"); | |
599 | print_include_inline (file, options.module.itable); | |
600 | print_include_inline (file, options.module.idecode); | |
601 | print_include_inline (file, options.module.support); | |
602 | } | |
603 | ||
604 | ||
605 | /****************************************************************/ | |
606 | ||
607 | ||
608 | static void | |
4e0bf4c4 | 609 | gen_semantics_h (lf *file, insn_list *semantics, int max_nr_words) |
c906108c SS |
610 | { |
611 | int word_nr; | |
612 | insn_list *semantic; | |
613 | for (word_nr = -1; word_nr <= max_nr_words; word_nr++) | |
614 | { | |
615 | lf_printf (file, "typedef "); | |
616 | print_semantic_function_type (file); | |
4e0bf4c4 | 617 | lf_printf (file, " %sidecode_semantic", options.module.global.prefix.l); |
c906108c SS |
618 | if (word_nr >= 0) |
619 | lf_printf (file, "_%d", word_nr); | |
620 | lf_printf (file, "\n("); | |
621 | lf_indent (file, +1); | |
622 | print_semantic_function_formal (file, word_nr); | |
623 | lf_indent (file, -1); | |
624 | lf_printf (file, ");\n"); | |
625 | lf_printf (file, "\n"); | |
626 | } | |
627 | switch (options.gen.code) | |
628 | { | |
629 | case generate_calls: | |
630 | for (semantic = semantics; semantic != NULL; semantic = semantic->next) | |
631 | { | |
632 | /* Ignore any special/internal instructions */ | |
633 | if (semantic->insn->nr_words == 0) | |
634 | continue; | |
635 | print_semantic_declaration (file, | |
636 | semantic->insn, | |
637 | semantic->expanded_bits, | |
638 | semantic->opcodes, | |
639 | semantic->nr_prefetched_words); | |
640 | } | |
641 | break; | |
642 | case generate_jumps: | |
643 | lf_print__this_file_is_empty (file, "generating jumps"); | |
644 | break; | |
645 | } | |
646 | } | |
647 | ||
648 | ||
649 | static void | |
4e0bf4c4 | 650 | gen_semantics_c (lf *file, insn_list *semantics, cache_entry *cache_rules) |
c906108c SS |
651 | { |
652 | if (options.gen.code == generate_calls) | |
653 | { | |
654 | insn_list *semantic; | |
655 | print_includes (file); | |
656 | print_include (file, options.module.semantics); | |
657 | lf_printf (file, "\n"); | |
658 | ||
659 | for (semantic = semantics; semantic != NULL; semantic = semantic->next) | |
660 | { | |
661 | /* Ignore any special/internal instructions */ | |
662 | if (semantic->insn->nr_words == 0) | |
663 | continue; | |
664 | print_semantic_definition (file, | |
665 | semantic->insn, | |
666 | semantic->expanded_bits, | |
667 | semantic->opcodes, | |
668 | cache_rules, | |
669 | semantic->nr_prefetched_words); | |
670 | } | |
671 | } | |
672 | else | |
673 | { | |
674 | lf_print__this_file_is_empty (file, "generating jump engine"); | |
675 | } | |
676 | } | |
677 | ||
678 | ||
679 | /****************************************************************/ | |
680 | ||
681 | ||
682 | static void | |
683 | gen_icache_h (lf *file, | |
684 | insn_list *semantic, | |
4e0bf4c4 | 685 | function_entry * functions, int max_nr_words) |
c906108c SS |
686 | { |
687 | int word_nr; | |
688 | for (word_nr = 0; word_nr <= max_nr_words; word_nr++) | |
689 | { | |
690 | lf_printf (file, "typedef "); | |
4e0bf4c4 | 691 | print_icache_function_type (file); |
c906108c | 692 | lf_printf (file, " %sidecode_icache_%d\n(", |
4e0bf4c4 AC |
693 | options.module.global.prefix.l, word_nr); |
694 | print_icache_function_formal (file, word_nr); | |
c906108c SS |
695 | lf_printf (file, ");\n"); |
696 | lf_printf (file, "\n"); | |
697 | } | |
4e0bf4c4 | 698 | if (options.gen.code == generate_calls && options.gen.icache) |
c906108c SS |
699 | { |
700 | function_entry_traverse (file, functions, | |
701 | print_icache_internal_function_declaration, | |
702 | NULL); | |
703 | while (semantic != NULL) | |
704 | { | |
705 | print_icache_declaration (file, | |
706 | semantic->insn, | |
707 | semantic->expanded_bits, | |
708 | semantic->opcodes, | |
709 | semantic->nr_prefetched_words); | |
710 | semantic = semantic->next; | |
711 | } | |
712 | } | |
713 | else | |
714 | { | |
715 | lf_print__this_file_is_empty (file, "generating jump engine"); | |
716 | } | |
717 | } | |
718 | ||
719 | static void | |
720 | gen_icache_c (lf *file, | |
721 | insn_list *semantic, | |
4e0bf4c4 | 722 | function_entry * functions, cache_entry *cache_rules) |
c906108c SS |
723 | { |
724 | /* output `internal' invalid/floating-point unavailable functions | |
725 | where needed */ | |
4e0bf4c4 | 726 | if (options.gen.code == generate_calls && options.gen.icache) |
c906108c SS |
727 | { |
728 | lf_printf (file, "\n"); | |
729 | lf_printf (file, "#include \"cpu.h\"\n"); | |
730 | lf_printf (file, "#include \"idecode.h\"\n"); | |
731 | lf_printf (file, "#include \"semantics.h\"\n"); | |
732 | lf_printf (file, "#include \"icache.h\"\n"); | |
733 | lf_printf (file, "#include \"support.h\"\n"); | |
734 | lf_printf (file, "\n"); | |
735 | function_entry_traverse (file, functions, | |
736 | print_icache_internal_function_definition, | |
737 | NULL); | |
738 | lf_printf (file, "\n"); | |
739 | while (semantic != NULL) | |
740 | { | |
741 | print_icache_definition (file, | |
742 | semantic->insn, | |
743 | semantic->expanded_bits, | |
744 | semantic->opcodes, | |
745 | cache_rules, | |
746 | semantic->nr_prefetched_words); | |
747 | semantic = semantic->next; | |
748 | } | |
749 | } | |
750 | else | |
751 | { | |
752 | lf_print__this_file_is_empty (file, "generating jump engine"); | |
753 | } | |
754 | } | |
755 | ||
756 | ||
757 | /****************************************************************/ | |
758 | ||
759 | ||
760 | static void | |
761 | gen_idecode_h (lf *file, | |
4e0bf4c4 | 762 | gen_table *gen, insn_table *insns, cache_entry *cache_rules) |
c906108c SS |
763 | { |
764 | lf_printf (file, "typedef unsigned%d %sinstruction_word;\n", | |
765 | options.insn_bit_size, options.module.global.prefix.l); | |
766 | if (options.gen.delayed_branch) | |
767 | { | |
768 | lf_printf (file, "typedef struct _%sinstruction_address {\n", | |
769 | options.module.global.prefix.l); | |
770 | lf_printf (file, " address_word ip; /* instruction pointer */\n"); | |
771 | lf_printf (file, " address_word dp; /* delayed-slot pointer */\n"); | |
4e0bf4c4 AC |
772 | lf_printf (file, "} %sinstruction_address;\n", |
773 | options.module.global.prefix.l); | |
c906108c SS |
774 | } |
775 | else | |
776 | { | |
777 | lf_printf (file, "typedef address_word %sinstruction_address;\n", | |
778 | options.module.global.prefix.l); | |
4e0bf4c4 | 779 | |
c906108c SS |
780 | } |
781 | if (options.gen.nia == nia_is_invalid | |
782 | && strlen (options.module.global.prefix.u) > 0) | |
783 | { | |
784 | lf_indent_suppress (file); | |
785 | lf_printf (file, "#define %sINVALID_INSTRUCTION_ADDRESS ", | |
786 | options.module.global.prefix.u); | |
787 | lf_printf (file, "INVALID_INSTRUCTION_ADDRESS\n"); | |
788 | } | |
789 | lf_printf (file, "\n"); | |
790 | print_icache_struct (file, insns, cache_rules); | |
791 | lf_printf (file, "\n"); | |
792 | if (options.gen.icache) | |
793 | { | |
794 | ERROR ("FIXME - idecode with icache suffering from bit-rot"); | |
795 | } | |
796 | else | |
797 | { | |
798 | gen_list *entry; | |
799 | for (entry = gen->tables; entry != NULL; entry = entry->next) | |
800 | { | |
801 | print_idecode_issue_function_header (file, | |
802 | (options.gen.multi_sim | |
803 | ? entry->model->name | |
804 | : NULL), | |
805 | is_function_declaration, | |
4e0bf4c4 | 806 | 1 /*ALWAYS ONE WORD */ ); |
c906108c SS |
807 | } |
808 | if (options.gen.multi_sim) | |
809 | { | |
810 | print_idecode_issue_function_header (file, | |
811 | NULL, | |
812 | is_function_variable, | |
4e0bf4c4 | 813 | 1 /*ALWAYS ONE WORD */ ); |
c906108c SS |
814 | } |
815 | } | |
816 | } | |
817 | ||
818 | ||
819 | static void | |
820 | gen_idecode_c (lf *file, | |
4e0bf4c4 | 821 | gen_table *gen, insn_table *isa, cache_entry *cache_rules) |
c906108c SS |
822 | { |
823 | /* the intro */ | |
824 | print_includes (file); | |
825 | print_include_inline (file, options.module.semantics); | |
826 | lf_printf (file, "\n"); | |
827 | ||
828 | print_idecode_globals (file); | |
829 | lf_printf (file, "\n"); | |
4e0bf4c4 | 830 | |
c906108c SS |
831 | switch (options.gen.code) |
832 | { | |
833 | case generate_calls: | |
834 | { | |
835 | gen_list *entry; | |
836 | for (entry = gen->tables; entry != NULL; entry = entry->next) | |
837 | { | |
838 | print_idecode_lookups (file, entry->table, cache_rules); | |
4e0bf4c4 | 839 | |
c906108c SS |
840 | /* output the main idecode routine */ |
841 | if (!options.gen.icache) | |
842 | { | |
843 | print_idecode_issue_function_header (file, | |
844 | (options.gen.multi_sim | |
845 | ? entry->model->name | |
846 | : NULL), | |
4e0bf4c4 AC |
847 | 1 /*is definition */ , |
848 | 1 /*ALWAYS ONE WORD */ ); | |
c906108c SS |
849 | lf_printf (file, "{\n"); |
850 | lf_indent (file, +2); | |
851 | lf_printf (file, "%sinstruction_address nia;\n", | |
852 | options.module.global.prefix.l); | |
853 | print_idecode_body (file, entry->table, "nia ="); | |
854 | lf_printf (file, "return nia;"); | |
855 | lf_indent (file, -2); | |
856 | lf_printf (file, "}\n"); | |
857 | } | |
858 | } | |
859 | break; | |
860 | } | |
861 | case generate_jumps: | |
862 | { | |
863 | lf_print__this_file_is_empty (file, "generating a jump engine"); | |
864 | break; | |
865 | } | |
866 | } | |
867 | } | |
868 | ||
869 | ||
870 | /****************************************************************/ | |
871 | ||
872 | ||
873 | static void | |
4e0bf4c4 | 874 | gen_run_c (lf *file, gen_table *gen) |
c906108c SS |
875 | { |
876 | gen_list *entry; | |
877 | lf_printf (file, "#include \"sim-main.h\"\n"); | |
878 | lf_printf (file, "#include \"engine.h\"\n"); | |
879 | lf_printf (file, "#include \"idecode.h\"\n"); | |
880 | lf_printf (file, "#include \"bfd.h\"\n"); | |
881 | lf_printf (file, "\n"); | |
882 | ||
883 | if (options.gen.multi_sim) | |
884 | { | |
4e0bf4c4 AC |
885 | print_idecode_issue_function_header (file, NULL, is_function_variable, |
886 | 1); | |
c906108c SS |
887 | lf_printf (file, "\n"); |
888 | print_engine_run_function_header (file, NULL, is_function_variable); | |
889 | lf_printf (file, "\n"); | |
890 | } | |
4e0bf4c4 | 891 | |
c906108c SS |
892 | lf_printf (file, "void\n"); |
893 | lf_printf (file, "sim_engine_run (SIM_DESC sd,\n"); | |
894 | lf_printf (file, " int next_cpu_nr,\n"); | |
895 | lf_printf (file, " int nr_cpus,\n"); | |
896 | lf_printf (file, " int siggnal)\n"); | |
897 | lf_printf (file, "{\n"); | |
898 | lf_indent (file, +2); | |
899 | if (options.gen.multi_sim) | |
900 | { | |
901 | lf_printf (file, "int mach;\n"); | |
902 | lf_printf (file, "if (STATE_ARCHITECTURE (sd) == NULL)\n"); | |
903 | lf_printf (file, " mach = 0;\n"); | |
904 | lf_printf (file, "else\n"); | |
905 | lf_printf (file, " mach = STATE_ARCHITECTURE (sd)->mach;\n"); | |
906 | lf_printf (file, "switch (mach)\n"); | |
907 | lf_printf (file, " {\n"); | |
908 | lf_indent (file, +2); | |
909 | for (entry = gen->tables; entry != NULL; entry = entry->next) | |
910 | { | |
911 | if (options.gen.default_model != NULL | |
912 | && (strcmp (entry->model->name, options.gen.default_model) == 0 | |
4e0bf4c4 AC |
913 | || strcmp (entry->model->full_name, |
914 | options.gen.default_model) == 0)) | |
c906108c SS |
915 | lf_printf (file, "default:\n"); |
916 | lf_printf (file, "case bfd_mach_%s:\n", entry->model->full_name); | |
917 | lf_indent (file, +2); | |
4e0bf4c4 AC |
918 | print_function_name (file, "issue", NULL, /* format name */ |
919 | NULL, /* NO processor */ | |
920 | NULL, /* expanded bits */ | |
c906108c SS |
921 | function_name_prefix_idecode); |
922 | lf_printf (file, " = "); | |
4e0bf4c4 AC |
923 | print_function_name (file, "issue", NULL, /* format name */ |
924 | entry->model->name, NULL, /* expanded bits */ | |
c906108c SS |
925 | function_name_prefix_idecode); |
926 | lf_printf (file, ";\n"); | |
4e0bf4c4 AC |
927 | print_function_name (file, "run", NULL, /* format name */ |
928 | NULL, /* NO processor */ | |
929 | NULL, /* expanded bits */ | |
c906108c SS |
930 | function_name_prefix_engine); |
931 | lf_printf (file, " = "); | |
4e0bf4c4 AC |
932 | print_function_name (file, "run", NULL, /* format name */ |
933 | entry->model->name, NULL, /* expanded bits */ | |
c906108c SS |
934 | function_name_prefix_engine); |
935 | lf_printf (file, ";\n"); | |
936 | lf_printf (file, "break;\n"); | |
937 | lf_indent (file, -2); | |
938 | } | |
939 | if (options.gen.default_model == NULL) | |
940 | { | |
941 | lf_printf (file, "default:\n"); | |
942 | lf_indent (file, +2); | |
943 | lf_printf (file, "sim_engine_abort (sd, NULL, NULL_CIA,\n"); | |
4e0bf4c4 AC |
944 | lf_printf (file, |
945 | " \"sim_engine_run - unknown machine\");\n"); | |
c906108c SS |
946 | lf_printf (file, "break;\n"); |
947 | lf_indent (file, -2); | |
948 | } | |
949 | lf_indent (file, -2); | |
950 | lf_printf (file, " }\n"); | |
951 | } | |
4e0bf4c4 AC |
952 | print_function_name (file, "run", NULL, /* format name */ |
953 | NULL, /* NO processor */ | |
954 | NULL, /* expanded bits */ | |
c906108c SS |
955 | function_name_prefix_engine); |
956 | lf_printf (file, " (sd, next_cpu_nr, nr_cpus, siggnal);\n"); | |
957 | lf_indent (file, -2); | |
958 | lf_printf (file, "}\n"); | |
959 | } | |
960 | ||
961 | /****************************************************************/ | |
962 | ||
963 | static gen_table * | |
4e0bf4c4 | 964 | do_gen (insn_table *isa, decode_table *decode_rules) |
c906108c SS |
965 | { |
966 | gen_table *gen; | |
967 | if (decode_rules == NULL) | |
968 | error (NULL, "Must specify a decode table\n"); | |
969 | if (isa == NULL) | |
970 | error (NULL, "Must specify an instruction table\n"); | |
971 | if (decode_table_max_word_nr (decode_rules) > 0) | |
972 | options.gen.multi_word = decode_table_max_word_nr (decode_rules); | |
973 | gen = make_gen_tables (isa, decode_rules); | |
974 | gen_tables_expand_insns (gen); | |
975 | gen_tables_expand_semantics (gen); | |
976 | return gen; | |
977 | } | |
978 | ||
979 | /****************************************************************/ | |
980 | ||
981 | igen_options options; | |
982 | ||
983 | int | |
4e0bf4c4 | 984 | main (int argc, char **argv, char **envp) |
c906108c SS |
985 | { |
986 | cache_entry *cache_rules = NULL; | |
987 | lf_file_references file_references = lf_include_references; | |
988 | decode_table *decode_rules = NULL; | |
989 | insn_table *isa = NULL; | |
990 | gen_table *gen = NULL; | |
991 | char *real_file_name = NULL; | |
992 | int is_header = 0; | |
993 | int ch; | |
4e0bf4c4 AC |
994 | lf *standard_out = |
995 | lf_open ("-", "stdout", lf_omit_references, lf_is_text, "igen"); | |
c906108c SS |
996 | |
997 | INIT_OPTIONS (); | |
998 | ||
999 | if (argc == 1) | |
1000 | { | |
1001 | printf ("Usage:\n"); | |
1002 | printf ("\n"); | |
1003 | printf (" igen <config-opts> ... <input-opts>... <output-opts>...\n"); | |
1004 | printf ("\n"); | |
1005 | printf ("Config options:\n"); | |
1006 | printf ("\n"); | |
1007 | printf (" -B <bit-size>\n"); | |
5accf1ff | 1008 | printf ("\t Set the number of bits in an instruction (deprecated).\n"); |
4e0bf4c4 AC |
1009 | printf |
1010 | ("\t This option can now be set directly in the instruction table.\n"); | |
c906108c SS |
1011 | printf ("\n"); |
1012 | printf (" -D <data-structure>\n"); | |
4e0bf4c4 AC |
1013 | printf |
1014 | ("\t Dump the specified data structure to stdout. Valid structures include:\n"); | |
1015 | printf | |
1016 | ("\t processor-names - list the names of all the processors (models)\n"); | |
c906108c SS |
1017 | printf ("\n"); |
1018 | printf (" -F <filter-list>\n"); | |
4e0bf4c4 AC |
1019 | printf |
1020 | ("\t Filter out any instructions with a non-empty flags field that contains\n"); | |
c906108c SS |
1021 | printf ("\t a flag not listed in the <filter-list>.\n"); |
1022 | printf ("\n"); | |
1023 | printf (" -H <high-bit>\n"); | |
4e0bf4c4 AC |
1024 | printf |
1025 | ("\t Set the number of the high (most significant) instruction bit (deprecated).\n"); | |
1026 | printf | |
1027 | ("\t This option can now be set directly in the instruction table.\n"); | |
c906108c SS |
1028 | printf ("\n"); |
1029 | printf (" -I <directory>\n"); | |
4e0bf4c4 AC |
1030 | printf |
1031 | ("\t Add <directory> to the list of directories searched when opening a file\n"); | |
c906108c SS |
1032 | printf ("\n"); |
1033 | printf (" -M <model-list>\n"); | |
4e0bf4c4 AC |
1034 | printf |
1035 | ("\t Filter out any instructions that do not support at least one of the listed\n"); | |
1036 | printf | |
1037 | ("\t models (An instructions with no model information is considered to support\n"); | |
c906108c SS |
1038 | printf ("\t all models.).\n"); |
1039 | printf ("\n"); | |
1040 | printf (" -N <nr-cpus>\n"); | |
1041 | printf ("\t Generate a simulator supporting <nr-cpus>\n"); | |
4e0bf4c4 AC |
1042 | printf |
1043 | ("\t Specify `-N 0' to disable generation of the SMP. Specifying `-N 1' will\n"); | |
1044 | printf | |
1045 | ("\t still generate an SMP enabled simulator but will only support one CPU.\n"); | |
c906108c SS |
1046 | printf ("\n"); |
1047 | printf (" -T <mechanism>\n"); | |
4e0bf4c4 AC |
1048 | printf |
1049 | ("\t Override the decode mechanism specified by the decode rules\n"); | |
c906108c SS |
1050 | printf ("\n"); |
1051 | printf (" -P <prefix>\n"); | |
4e0bf4c4 AC |
1052 | printf |
1053 | ("\t Prepend global names (except itable) with the string <prefix>.\n"); | |
1054 | printf | |
1055 | ("\t Specify -P <module>=<prefix> to set a specific <module>'s prefix.\n"); | |
c906108c SS |
1056 | printf ("\n"); |
1057 | printf (" -S <suffix>\n"); | |
4e0bf4c4 AC |
1058 | printf |
1059 | ("\t Replace a global name (suffix) (except itable) with the string <suffix>.\n"); | |
1060 | printf | |
1061 | ("\t Specify -S <module>=<suffix> to change a specific <module>'s name (suffix).\n"); | |
c906108c SS |
1062 | printf ("\n"); |
1063 | printf (" -Werror\n"); | |
1064 | printf ("\t Make warnings errors\n"); | |
1065 | printf (" -Wnodiscard\n"); | |
4e0bf4c4 AC |
1066 | printf |
1067 | ("\t Suppress warnings about discarded functions and instructions\n"); | |
c906108c | 1068 | printf (" -Wnowidth\n"); |
4e0bf4c4 AC |
1069 | printf |
1070 | ("\t Suppress warnings about instructions with invalid widths\n"); | |
c906108c SS |
1071 | printf (" -Wnounimplemented\n"); |
1072 | printf ("\t Suppress warnings about unimplemented instructions\n"); | |
1073 | printf ("\n"); | |
1074 | printf (" -G [!]<gen-option>\n"); | |
1075 | printf ("\t Any of the following options:\n"); | |
1076 | printf ("\n"); | |
4e0bf4c4 AC |
1077 | printf |
1078 | ("\t decode-duplicate - Override the decode rules, forcing the duplication of\n"); | |
c906108c | 1079 | printf ("\t semantic functions\n"); |
4e0bf4c4 AC |
1080 | printf |
1081 | ("\t decode-combine - Combine any duplicated entries within a table\n"); | |
1082 | printf | |
1083 | ("\t decode-zero-reserved - Override the decode rules, forcing reserved bits to be\n"); | |
c906108c | 1084 | printf ("\t treated as zero.\n"); |
4e0bf4c4 AC |
1085 | printf |
1086 | ("\t decode-switch-is-goto - Overfide the padded-switch code type as a goto-switch\n"); | |
c906108c | 1087 | printf ("\n"); |
4e0bf4c4 AC |
1088 | printf |
1089 | ("\t gen-conditional-issue - conditionally issue each instruction\n"); | |
1090 | printf | |
1091 | ("\t gen-delayed-branch - need both cia and nia passed around\n"); | |
1092 | printf | |
1093 | ("\t gen-direct-access - use #defines to directly access values\n"); | |
1094 | printf | |
1095 | ("\t gen-zero-r<N> - arch assumes GPR(<N>) == 0, keep it that way\n"); | |
1096 | printf | |
1097 | ("\t gen-icache[=<N> - generate an instruction cracking cache of size <N>\n"); | |
1098 | printf ("\t Default size is %d\n", | |
1099 | options.gen.icache_size); | |
1100 | printf | |
1101 | ("\t gen-insn-in-icache - save original instruction when cracking\n"); | |
1102 | printf | |
1103 | ("\t gen-multi-sim[=MODEL] - generate multiple simulators - one per model\n"); | |
1104 | printf | |
1105 | ("\t If specified MODEL is made the default architecture.\n"); | |
1106 | printf | |
1107 | ("\t By default, a single simulator that will\n"); | |
1108 | printf | |
1109 | ("\t execute any instruction is generated\n"); | |
1110 | printf | |
1111 | ("\t gen-multi-word - generate code allowing for multi-word insns\n"); | |
1112 | printf | |
1113 | ("\t gen-semantic-icache - include semantic code in cracking functions\n"); | |
1114 | printf | |
1115 | ("\t gen-slot-verification - perform slot verification as part of decode\n"); | |
c906108c SS |
1116 | printf ("\t gen-nia-invalid - NIA defaults to nia_invalid\n"); |
1117 | printf ("\t gen-nia-void - do not compute/return NIA\n"); | |
1118 | printf ("\n"); | |
4e0bf4c4 AC |
1119 | printf |
1120 | ("\t trace-combine - report combined entries a rule application\n"); | |
1121 | printf | |
1122 | ("\t trace-entries - report entries after a rules application\n"); | |
c906108c SS |
1123 | printf ("\t trace-rule-rejection - report each rule as rejected\n"); |
1124 | printf ("\t trace-rule-selection - report each rule as selected\n"); | |
4e0bf4c4 AC |
1125 | printf |
1126 | ("\t trace-insn-insertion - report each instruction as it is inserted into a decode table\n"); | |
1127 | printf | |
1128 | ("\t trace-rule-expansion - report each instruction as it is expanded (before insertion into a decode table)\n"); | |
c906108c SS |
1129 | printf ("\t trace-all - enable all trace options\n"); |
1130 | printf ("\n"); | |
4e0bf4c4 AC |
1131 | printf |
1132 | ("\t field-widths - instruction formats specify widths (deprecated)\n"); | |
1133 | printf | |
1134 | ("\t By default, an instruction format specifies bit\n"); | |
c906108c | 1135 | printf ("\t positions\n"); |
4e0bf4c4 AC |
1136 | printf |
1137 | ("\t This option can now be set directly in the\n"); | |
c906108c | 1138 | printf ("\t instruction table\n"); |
4e0bf4c4 AC |
1139 | printf |
1140 | ("\t jumps - use jumps instead of function calls\n"); | |
1141 | printf | |
1142 | ("\t omit-line-numbers - do not include line number information in the output\n"); | |
c906108c SS |
1143 | printf ("\n"); |
1144 | printf ("Input options:\n"); | |
1145 | printf ("\n"); | |
5accf1ff | 1146 | printf (" -k <cache-rules> (deprecated)\n"); |
c906108c SS |
1147 | printf (" -o <decode-rules>\n"); |
1148 | printf (" -i <instruction-table>\n"); | |
1149 | printf ("\n"); | |
1150 | printf ("Output options:\n"); | |
1151 | printf ("\n"); | |
1152 | printf (" -x Perform expansion (required)\n"); | |
4e0bf4c4 AC |
1153 | printf |
1154 | (" -n <real-name> Specify the real name of the next output file\n"); | |
1155 | printf | |
1156 | (" -h Generate the header (.h) file rather than the body (.c)\n"); | |
c906108c SS |
1157 | printf (" -c <output-file> output icache\n"); |
1158 | printf (" -d <output-file> output idecode\n"); | |
1159 | printf (" -e <output-file> output engine\n"); | |
1160 | printf (" -f <output-file> output support functions\n"); | |
1161 | printf (" -m <output-file> output model\n"); | |
1162 | printf (" -r <output-file> output multi-sim run\n"); | |
1163 | printf (" -s <output-file> output schematic\n"); | |
1164 | printf (" -t <output-file> output itable\n"); | |
1165 | } | |
4e0bf4c4 AC |
1166 | |
1167 | while ((ch = getopt (argc, argv, | |
1168 | "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 |
1169 | != -1) |
1170 | { | |
1171 | fprintf (stderr, " -%c ", ch); | |
1172 | if (optarg) | |
1173 | fprintf (stderr, "%s ", optarg); | |
1174 | fprintf (stderr, "\\\n"); | |
4e0bf4c4 AC |
1175 | |
1176 | switch (ch) | |
c906108c | 1177 | { |
4e0bf4c4 | 1178 | |
c906108c SS |
1179 | case 'M': |
1180 | filter_parse (&options.model_filter, optarg); | |
1181 | break; | |
1182 | ||
1183 | case 'D': | |
1184 | if (strcmp (optarg, "processor-names")) | |
1185 | { | |
1186 | char *processor; | |
1187 | for (processor = filter_next (options.model_filter, ""); | |
1188 | processor != NULL; | |
1189 | processor = filter_next (options.model_filter, processor)) | |
1190 | lf_printf (standard_out, "%s\n", processor); | |
1191 | } | |
1192 | else | |
1193 | error (NULL, "Unknown data structure %s, not dumped\n", optarg); | |
1194 | break; | |
1195 | ||
1196 | case 'F': | |
1197 | filter_parse (&options.flags_filter, optarg); | |
1198 | break; | |
4e0bf4c4 | 1199 | |
c906108c SS |
1200 | case 'I': |
1201 | { | |
1202 | table_include **dir = &options.include; | |
1203 | while ((*dir) != NULL) | |
1204 | dir = &(*dir)->next; | |
1205 | (*dir) = ZALLOC (table_include); | |
1206 | (*dir)->dir = strdup (optarg); | |
1207 | } | |
1208 | break; | |
4e0bf4c4 | 1209 | |
c906108c SS |
1210 | case 'B': |
1211 | options.insn_bit_size = a2i (optarg); | |
1212 | if (options.insn_bit_size <= 0 | |
1213 | || options.insn_bit_size > max_insn_bit_size) | |
1214 | { | |
1215 | error (NULL, "Instruction bitsize must be in range 1..%d\n", | |
1216 | max_insn_bit_size); | |
1217 | } | |
1218 | if (options.hi_bit_nr != options.insn_bit_size - 1 | |
1219 | && options.hi_bit_nr != 0) | |
1220 | { | |
1221 | error (NULL, "Conflict betweem hi-bit-nr and insn-bit-size\n"); | |
1222 | } | |
1223 | break; | |
4e0bf4c4 | 1224 | |
c906108c SS |
1225 | case 'H': |
1226 | options.hi_bit_nr = a2i (optarg); | |
1227 | if (options.hi_bit_nr != options.insn_bit_size - 1 | |
1228 | && options.hi_bit_nr != 0) | |
1229 | { | |
1230 | error (NULL, "Conflict between hi-bit-nr and insn-bit-size\n"); | |
1231 | } | |
1232 | break; | |
4e0bf4c4 | 1233 | |
c906108c SS |
1234 | case 'N': |
1235 | options.gen.smp = a2i (optarg); | |
1236 | break; | |
4e0bf4c4 | 1237 | |
c906108c SS |
1238 | case 'P': |
1239 | case 'S': | |
1240 | { | |
1241 | igen_module *names; | |
1242 | igen_name *name; | |
1243 | char *chp; | |
1244 | chp = strchr (optarg, '='); | |
1245 | if (chp == NULL) | |
1246 | { | |
1247 | names = &options.module.global; | |
1248 | chp = optarg; | |
1249 | } | |
1250 | else | |
1251 | { | |
4e0bf4c4 | 1252 | chp = chp + 1; /* skip `=' */ |
c906108c SS |
1253 | names = NULL; |
1254 | if (strncmp (optarg, "global=", chp - optarg) == 0) | |
1255 | { | |
1256 | names = &options.module.global; | |
1257 | } | |
1258 | if (strncmp (optarg, "engine=", chp - optarg) == 0) | |
1259 | { | |
1260 | names = &options.module.engine; | |
1261 | } | |
1262 | if (strncmp (optarg, "icache=", chp - optarg) == 0) | |
1263 | { | |
1264 | names = &options.module.icache; | |
1265 | } | |
1266 | if (strncmp (optarg, "idecode=", chp - optarg) == 0) | |
1267 | { | |
1268 | names = &options.module.idecode; | |
1269 | } | |
1270 | if (strncmp (optarg, "itable=", chp - optarg) == 0) | |
1271 | { | |
1272 | names = &options.module.itable; | |
1273 | } | |
1274 | if (strncmp (optarg, "semantics=", chp - optarg) == 0) | |
1275 | { | |
1276 | names = &options.module.semantics; | |
1277 | } | |
1278 | if (strncmp (optarg, "support=", chp - optarg) == 0) | |
1279 | { | |
1280 | names = &options.module.support; | |
1281 | } | |
1282 | if (names == NULL) | |
1283 | { | |
1284 | error (NULL, "Prefix `%s' unreconized\n", optarg); | |
1285 | } | |
1286 | } | |
1287 | switch (ch) | |
1288 | { | |
1289 | case 'P': | |
1290 | name = &names->prefix; | |
1291 | break; | |
1292 | case 'S': | |
1293 | name = &names->suffix; | |
1294 | break; | |
78e731cd | 1295 | default: |
4e0bf4c4 | 1296 | abort (); /* Bad switch. */ |
c906108c SS |
1297 | } |
1298 | name->u = strdup (chp); | |
1299 | name->l = strdup (chp); | |
1300 | chp = name->u; | |
4e0bf4c4 AC |
1301 | while (*chp) |
1302 | { | |
1303 | if (islower (*chp)) | |
1304 | *chp = toupper (*chp); | |
1305 | chp++; | |
1306 | } | |
c906108c SS |
1307 | if (name == &options.module.global.prefix) |
1308 | { | |
1309 | options.module.engine.prefix = options.module.global.prefix; | |
1310 | options.module.icache.prefix = options.module.global.prefix; | |
1311 | options.module.idecode.prefix = options.module.global.prefix; | |
1312 | /* options.module.itable.prefix = options.module.global.prefix; */ | |
4e0bf4c4 AC |
1313 | options.module.semantics.prefix = |
1314 | options.module.global.prefix; | |
c906108c SS |
1315 | options.module.support.prefix = options.module.global.prefix; |
1316 | } | |
1317 | if (name == &options.module.global.suffix) | |
1318 | { | |
1319 | options.module.engine.suffix = options.module.global.suffix; | |
1320 | options.module.icache.suffix = options.module.global.suffix; | |
1321 | options.module.idecode.suffix = options.module.global.suffix; | |
1322 | /* options.module.itable.suffix = options.module.global.suffix; */ | |
4e0bf4c4 AC |
1323 | options.module.semantics.suffix = |
1324 | options.module.global.suffix; | |
c906108c SS |
1325 | options.module.support.suffix = options.module.global.suffix; |
1326 | } | |
1327 | break; | |
1328 | } | |
4e0bf4c4 | 1329 | |
c906108c SS |
1330 | case 'W': |
1331 | { | |
1332 | if (strcmp (optarg, "error") == 0) | |
1333 | options.warning = error; | |
1334 | else if (strcmp (optarg, "nodiscard") == 0) | |
1335 | options.warn.discard = 0; | |
1336 | else if (strcmp (optarg, "discard") == 0) | |
1337 | options.warn.discard = 1; | |
1338 | else if (strcmp (optarg, "nowidth") == 0) | |
1339 | options.warn.width = 0; | |
1340 | else if (strcmp (optarg, "width") == 0) | |
1341 | options.warn.width = 1; | |
1342 | else if (strcmp (optarg, "nounimplemented") == 0) | |
1343 | options.warn.unimplemented = 0; | |
1344 | else if (strcmp (optarg, "unimplemented") == 0) | |
1345 | options.warn.unimplemented = 1; | |
1346 | else | |
1347 | error (NULL, "Unknown -W argument `%s'\n", optarg); | |
1348 | break; | |
1349 | } | |
1350 | ||
1351 | ||
1352 | case 'G': | |
1353 | { | |
1354 | int enable_p; | |
1355 | char *argp; | |
1356 | if (strncmp (optarg, "no-", strlen ("no-")) == 0) | |
1357 | { | |
1358 | argp = optarg + strlen ("no-"); | |
1359 | enable_p = 0; | |
1360 | } | |
1361 | else if (strncmp (optarg, "!", strlen ("!")) == 0) | |
1362 | { | |
1363 | argp = optarg + strlen ("no-"); | |
1364 | enable_p = 0; | |
1365 | } | |
1366 | else | |
1367 | { | |
1368 | argp = optarg; | |
1369 | enable_p = 1; | |
1370 | } | |
1371 | if (strcmp (argp, "decode-duplicate") == 0) | |
1372 | { | |
1373 | options.decode.duplicate = enable_p; | |
1374 | } | |
1375 | else if (strcmp (argp, "decode-combine") == 0) | |
1376 | { | |
1377 | options.decode.combine = enable_p; | |
1378 | } | |
1379 | else if (strcmp (argp, "decode-zero-reserved") == 0) | |
1380 | { | |
1381 | options.decode.zero_reserved = enable_p; | |
1382 | } | |
4e0bf4c4 | 1383 | |
c906108c SS |
1384 | else if (strcmp (argp, "gen-conditional-issue") == 0) |
1385 | { | |
1386 | options.gen.conditional_issue = enable_p; | |
1387 | } | |
1388 | else if (strcmp (argp, "conditional-issue") == 0) | |
1389 | { | |
1390 | options.gen.conditional_issue = enable_p; | |
4e0bf4c4 AC |
1391 | options.warning (NULL, |
1392 | "Option conditional-issue replaced by gen-conditional-issue\n"); | |
c906108c SS |
1393 | } |
1394 | else if (strcmp (argp, "gen-delayed-branch") == 0) | |
1395 | { | |
1396 | options.gen.delayed_branch = enable_p; | |
1397 | } | |
1398 | else if (strcmp (argp, "delayed-branch") == 0) | |
1399 | { | |
1400 | options.gen.delayed_branch = enable_p; | |
4e0bf4c4 AC |
1401 | options.warning (NULL, |
1402 | "Option delayed-branch replaced by gen-delayed-branch\n"); | |
c906108c SS |
1403 | } |
1404 | else if (strcmp (argp, "gen-direct-access") == 0) | |
1405 | { | |
1406 | options.gen.direct_access = enable_p; | |
1407 | } | |
1408 | else if (strcmp (argp, "direct-access") == 0) | |
1409 | { | |
1410 | options.gen.direct_access = enable_p; | |
4e0bf4c4 AC |
1411 | options.warning (NULL, |
1412 | "Option direct-access replaced by gen-direct-access\n"); | |
c906108c SS |
1413 | } |
1414 | else if (strncmp (argp, "gen-zero-r", strlen ("gen-zero-r")) == 0) | |
1415 | { | |
1416 | options.gen.zero_reg = enable_p; | |
1417 | options.gen.zero_reg_nr = atoi (argp + strlen ("gen-zero-r")); | |
1418 | } | |
1419 | else if (strncmp (argp, "zero-r", strlen ("zero-r")) == 0) | |
1420 | { | |
1421 | options.gen.zero_reg = enable_p; | |
1422 | options.gen.zero_reg_nr = atoi (argp + strlen ("zero-r")); | |
4e0bf4c4 AC |
1423 | options.warning (NULL, |
1424 | "Option zero-r<N> replaced by gen-zero-r<N>\n"); | |
c906108c SS |
1425 | } |
1426 | else if (strncmp (argp, "gen-icache", strlen ("gen-icache")) == 0) | |
1427 | { | |
1428 | switch (argp[strlen ("gen-icache")]) | |
1429 | { | |
1430 | case '=': | |
4e0bf4c4 AC |
1431 | options.gen.icache_size = |
1432 | atoi (argp + strlen ("gen-icache") + 1); | |
c906108c SS |
1433 | options.gen.icache = enable_p; |
1434 | break; | |
1435 | case '\0': | |
1436 | options.gen.icache = enable_p; | |
1437 | break; | |
1438 | default: | |
4e0bf4c4 AC |
1439 | error (NULL, |
1440 | "Expecting -Ggen-icache or -Ggen-icache=<N>\n"); | |
c906108c SS |
1441 | } |
1442 | } | |
1443 | else if (strcmp (argp, "gen-insn-in-icache") == 0) | |
1444 | { | |
1445 | options.gen.insn_in_icache = enable_p; | |
1446 | } | |
4e0bf4c4 AC |
1447 | else if (strncmp (argp, "gen-multi-sim", strlen ("gen-multi-sim")) |
1448 | == 0) | |
c906108c SS |
1449 | { |
1450 | char *arg = &argp[strlen ("gen-multi-sim")]; | |
1451 | switch (arg[0]) | |
1452 | { | |
1453 | case '=': | |
1454 | options.gen.multi_sim = enable_p; | |
1455 | options.gen.default_model = arg + 1; | |
4e0bf4c4 AC |
1456 | if (!filter_is_member |
1457 | (options.model_filter, options.gen.default_model)) | |
1458 | error (NULL, "multi-sim model %s unknown\n", | |
1459 | options.gen.default_model); | |
c906108c SS |
1460 | break; |
1461 | case '\0': | |
1462 | options.gen.multi_sim = enable_p; | |
1463 | options.gen.default_model = NULL; | |
1464 | break; | |
1465 | default: | |
4e0bf4c4 AC |
1466 | error (NULL, |
1467 | "Expecting -Ggen-multi-sim or -Ggen-multi-sim=<MODEL>\n"); | |
c906108c SS |
1468 | break; |
1469 | } | |
1470 | } | |
1471 | else if (strcmp (argp, "gen-multi-word") == 0) | |
1472 | { | |
1473 | options.gen.multi_word = enable_p; | |
1474 | } | |
1475 | else if (strcmp (argp, "gen-semantic-icache") == 0) | |
1476 | { | |
1477 | options.gen.semantic_icache = enable_p; | |
1478 | } | |
1479 | else if (strcmp (argp, "gen-slot-verification") == 0) | |
1480 | { | |
1481 | options.gen.slot_verification = enable_p; | |
1482 | } | |
1483 | else if (strcmp (argp, "verify-slot") == 0) | |
1484 | { | |
1485 | options.gen.slot_verification = enable_p; | |
4e0bf4c4 AC |
1486 | options.warning (NULL, |
1487 | "Option verify-slot replaced by gen-slot-verification\n"); | |
c906108c SS |
1488 | } |
1489 | else if (strcmp (argp, "gen-nia-invalid") == 0) | |
1490 | { | |
1491 | options.gen.nia = nia_is_invalid; | |
1492 | } | |
1493 | else if (strcmp (argp, "default-nia-minus-one") == 0) | |
1494 | { | |
1495 | options.gen.nia = nia_is_invalid; | |
4e0bf4c4 AC |
1496 | options.warning (NULL, |
1497 | "Option default-nia-minus-one replaced by gen-nia-invalid\n"); | |
c906108c SS |
1498 | } |
1499 | else if (strcmp (argp, "gen-nia-void") == 0) | |
1500 | { | |
1501 | options.gen.nia = nia_is_void; | |
1502 | } | |
1503 | else if (strcmp (argp, "trace-all") == 0) | |
1504 | { | |
1505 | memset (&options.trace, enable_p, sizeof (options.trace)); | |
1506 | } | |
1507 | else if (strcmp (argp, "trace-combine") == 0) | |
1508 | { | |
1509 | options.trace.combine = enable_p; | |
1510 | } | |
1511 | else if (strcmp (argp, "trace-entries") == 0) | |
1512 | { | |
1513 | options.trace.entries = enable_p; | |
1514 | } | |
1515 | else if (strcmp (argp, "trace-rule-rejection") == 0) | |
1516 | { | |
1517 | options.trace.rule_rejection = enable_p; | |
1518 | } | |
1519 | else if (strcmp (argp, "trace-rule-selection") == 0) | |
1520 | { | |
1521 | options.trace.rule_selection = enable_p; | |
1522 | } | |
1523 | else if (strcmp (argp, "trace-insn-insertion") == 0) | |
1524 | { | |
1525 | options.trace.insn_insertion = enable_p; | |
1526 | } | |
1527 | else if (strcmp (argp, "trace-insn-expansion") == 0) | |
1528 | { | |
1529 | options.trace.insn_expansion = enable_p; | |
1530 | } | |
1531 | else if (strcmp (argp, "jumps") == 0) | |
1532 | { | |
1533 | options.gen.code = generate_jumps; | |
1534 | } | |
1535 | else if (strcmp (argp, "field-widths") == 0) | |
1536 | { | |
1537 | options.insn_specifying_widths = enable_p; | |
1538 | } | |
1539 | else if (strcmp (argp, "omit-line-numbers") == 0) | |
1540 | { | |
1541 | file_references = lf_omit_references; | |
1542 | } | |
1543 | else | |
1544 | { | |
1545 | error (NULL, "Unknown option %s\n", optarg); | |
1546 | } | |
1547 | break; | |
1548 | } | |
4e0bf4c4 | 1549 | |
c906108c SS |
1550 | case 'i': |
1551 | isa = load_insn_table (optarg, cache_rules); | |
1552 | if (isa->illegal_insn == NULL) | |
1553 | error (NULL, "illegal-instruction missing from insn table\n"); | |
1554 | break; | |
1555 | ||
1556 | case 'x': | |
1557 | gen = do_gen (isa, decode_rules); | |
1558 | break; | |
1559 | ||
1560 | case 'o': | |
1561 | decode_rules = load_decode_table (optarg); | |
1562 | break; | |
1563 | ||
1564 | case 'k': | |
1565 | if (isa != NULL) | |
1566 | error (NULL, "Cache file must appear before the insn file\n"); | |
1567 | cache_rules = load_cache_table (optarg); | |
1568 | break; | |
1569 | ||
1570 | case 'n': | |
4e0bf4c4 | 1571 | real_file_name = strdup (optarg); |
c906108c SS |
1572 | break; |
1573 | ||
1574 | case 'h': | |
1575 | is_header = 1; | |
1576 | break; | |
4e0bf4c4 | 1577 | |
c906108c SS |
1578 | case 'c': |
1579 | case 'd': | |
1580 | case 'e': | |
1581 | case 'f': | |
1582 | case 'm': | |
1583 | case 'r': | |
1584 | case 's': | |
1585 | case 't': | |
1586 | { | |
4e0bf4c4 AC |
1587 | lf *file = lf_open (optarg, real_file_name, file_references, |
1588 | (is_header ? lf_is_h : lf_is_c), | |
1589 | argv[0]); | |
c906108c SS |
1590 | if (gen == NULL && ch != 't' && ch != 'm' && ch != 'f') |
1591 | { | |
4e0bf4c4 AC |
1592 | options.warning (NULL, |
1593 | "Explicitly generate tables with -x option\n"); | |
c906108c SS |
1594 | gen = do_gen (isa, decode_rules); |
1595 | } | |
4e0bf4c4 | 1596 | lf_print__file_start (file); |
c906108c SS |
1597 | switch (ch) |
1598 | { | |
1599 | case 'm': | |
1600 | if (is_header) | |
1601 | gen_model_h (file, isa); | |
1602 | else | |
1603 | gen_model_c (file, isa); | |
1604 | break; | |
1605 | case 't': | |
1606 | if (is_header) | |
1607 | gen_itable_h (file, isa); | |
1608 | else | |
1609 | gen_itable_c (file, isa); | |
1610 | break; | |
1611 | case 'f': | |
1612 | if (is_header) | |
1613 | gen_support_h (file, isa); | |
1614 | else | |
1615 | gen_support_c (file, isa); | |
1616 | break; | |
1617 | case 'r': | |
1618 | if (is_header) | |
1619 | options.warning (NULL, "-hr option ignored\n"); | |
1620 | else | |
1621 | gen_run_c (file, gen); | |
1622 | break; | |
1623 | case 's': | |
4e0bf4c4 | 1624 | if (is_header) |
c906108c SS |
1625 | gen_semantics_h (file, gen->semantics, isa->max_nr_words); |
1626 | else | |
1627 | gen_semantics_c (file, gen->semantics, isa->caches); | |
1628 | break; | |
1629 | case 'd': | |
1630 | if (is_header) | |
1631 | gen_idecode_h (file, gen, isa, cache_rules); | |
1632 | else | |
1633 | gen_idecode_c (file, gen, isa, cache_rules); | |
1634 | break; | |
1635 | case 'e': | |
1636 | if (is_header) | |
1637 | gen_engine_h (file, gen, isa, cache_rules); | |
1638 | else | |
1639 | gen_engine_c (file, gen, isa, cache_rules); | |
1640 | break; | |
1641 | case 'c': | |
1642 | if (is_header) | |
1643 | gen_icache_h (file, | |
1644 | gen->semantics, | |
4e0bf4c4 | 1645 | isa->functions, isa->max_nr_words); |
c906108c SS |
1646 | else |
1647 | gen_icache_c (file, | |
4e0bf4c4 | 1648 | gen->semantics, isa->functions, cache_rules); |
c906108c SS |
1649 | break; |
1650 | } | |
4e0bf4c4 AC |
1651 | lf_print__file_finish (file); |
1652 | lf_close (file); | |
c906108c SS |
1653 | is_header = 0; |
1654 | } | |
4e0bf4c4 AC |
1655 | real_file_name = NULL; |
1656 | break; | |
c906108c SS |
1657 | default: |
1658 | ERROR ("Bad switch"); | |
1659 | } | |
1660 | } | |
1661 | return (0); | |
1662 | } |