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c906108c SS |
1 | /* This file is part of the program psim. |
2 | ||
3 | Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au> | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | ||
19 | */ | |
20 | ||
21 | ||
22 | ||
23 | #include <getopt.h> | |
24 | ||
25 | #include "misc.h" | |
26 | #include "lf.h" | |
27 | #include "table.h" | |
28 | #include "config.h" | |
29 | #include "filter.h" | |
30 | ||
31 | #include "igen.h" | |
32 | ||
33 | #include "ld-insn.h" | |
34 | #include "ld-decode.h" | |
35 | #include "ld-cache.h" | |
36 | ||
37 | #include "gen.h" | |
38 | ||
39 | #include "gen-model.h" | |
40 | #include "gen-icache.h" | |
41 | #include "gen-itable.h" | |
42 | #include "gen-idecode.h" | |
43 | #include "gen-semantics.h" | |
44 | #include "gen-engine.h" | |
45 | #include "gen-support.h" | |
46 | #include "gen-engine.h" | |
47 | ||
48 | ||
49 | /****************************************************************/ | |
50 | ||
51 | ||
52 | /* Semantic functions */ | |
53 | ||
54 | int | |
55 | print_semantic_function_formal (lf *file, | |
56 | int nr_prefetched_words) | |
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", | |
74 | options.module.global.prefix.l, | |
75 | word_nr); | |
76 | } | |
77 | nr += lf_printf (file, "%sinstruction_address cia", | |
78 | options.module.global.prefix.l); | |
79 | } | |
80 | else | |
81 | { | |
82 | nr += lf_printf (file, "SIM_DESC sd,\n"); | |
83 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
84 | { | |
85 | nr += lf_printf (file, "%sinstruction_word instruction_%d,\n", | |
86 | options.module.global.prefix.l, | |
87 | word_nr); | |
88 | } | |
89 | nr += lf_printf (file, "%sinstruction_address cia", | |
90 | options.module.global.prefix.l); | |
91 | } | |
92 | return nr; | |
93 | } | |
94 | ||
95 | int | |
96 | print_semantic_function_actual (lf *file, | |
97 | int nr_prefetched_words) | |
98 | { | |
99 | int nr = 0; | |
100 | int word_nr; | |
101 | if (options.gen.icache || nr_prefetched_words < 0) | |
102 | { | |
103 | nr += lf_printf (file, "sd, cache_entry, cia"); | |
104 | } | |
105 | else | |
106 | { | |
107 | if (options.gen.smp) | |
108 | nr += lf_printf (file, "cpu"); | |
109 | else | |
110 | nr += lf_printf (file, "sd"); | |
111 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
112 | nr += lf_printf (file, ", instruction_%d", word_nr); | |
113 | nr += lf_printf (file, ", cia"); | |
114 | } | |
115 | return nr; | |
116 | } | |
117 | ||
118 | int | |
119 | print_semantic_function_type (lf *file) | |
120 | { | |
121 | int nr = 0; | |
122 | nr += lf_printf (file, "%sinstruction_address", | |
123 | options.module.global.prefix.l); | |
124 | return nr; | |
125 | } | |
126 | ||
127 | ||
128 | /* Idecode functions */ | |
129 | ||
130 | int | |
131 | print_icache_function_formal (lf *file, | |
132 | int nr_prefetched_words) | |
133 | { | |
134 | int nr = 0; | |
135 | int word_nr; | |
136 | if (options.gen.smp) | |
137 | nr += lf_printf (file, "sim_cpu *cpu,\n"); | |
138 | else | |
139 | nr += lf_printf (file, "SIM_DESC sd,\n"); | |
140 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
141 | nr += lf_printf (file, " %sinstruction_word instruction_%d,\n", | |
142 | options.module.global.prefix.l, word_nr); | |
143 | nr += lf_printf (file, " %sinstruction_address cia,\n", | |
144 | options.module.global.prefix.l); | |
145 | nr += lf_printf (file, " %sidecode_cache *cache_entry", | |
146 | options.module.global.prefix.l); | |
147 | return nr; | |
148 | } | |
149 | ||
150 | int | |
151 | print_icache_function_actual (lf *file, | |
152 | int nr_prefetched_words) | |
153 | { | |
154 | int nr = 0; | |
155 | int word_nr; | |
156 | if (options.gen.smp) | |
157 | nr += lf_printf (file, "cpu"); | |
158 | else | |
159 | nr += lf_printf (file, "sd"); | |
160 | for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++) | |
161 | nr += lf_printf (file, ", instruction_%d", word_nr); | |
162 | nr += lf_printf (file, ", cia, cache_entry"); | |
163 | return nr; | |
164 | } | |
165 | ||
166 | int | |
167 | print_icache_function_type (lf *file) | |
168 | { | |
169 | int nr; | |
170 | if (options.gen.semantic_icache) | |
171 | { | |
172 | nr = print_semantic_function_type (file); | |
173 | } | |
174 | else | |
175 | { | |
176 | nr = lf_printf (file, "%sidecode_semantic *", | |
177 | options.module.global.prefix.l); | |
178 | } | |
179 | return nr; | |
180 | } | |
181 | ||
182 | ||
183 | /* Function names */ | |
184 | ||
185 | static int | |
186 | print_opcode_bits (lf *file, | |
187 | opcode_bits *bits) | |
188 | { | |
189 | int nr = 0; | |
190 | if (bits == NULL) | |
191 | return nr; | |
192 | nr += lf_putchr (file, '_'); | |
193 | nr += lf_putstr (file, bits->field->val_string); | |
194 | if (bits->opcode->is_boolean && bits->value == 0) | |
195 | nr += lf_putint (file, bits->opcode->boolean_constant); | |
196 | else if (!bits->opcode->is_boolean) { | |
197 | if (bits->opcode->last < bits->field->last) | |
198 | nr += lf_putint (file, bits->value << (bits->field->last - bits->opcode->last)); | |
199 | else | |
200 | nr += lf_putint (file, bits->value); | |
201 | } | |
202 | nr += print_opcode_bits (file, bits->next); | |
203 | return nr; | |
204 | } | |
205 | ||
206 | static int | |
207 | print_c_name (lf *file, | |
208 | const char *name) | |
209 | { | |
210 | int nr = 0; | |
211 | const char *pos; | |
212 | for (pos = name; *pos != '\0'; pos++) | |
213 | { | |
214 | switch (*pos) | |
215 | { | |
216 | case '/': | |
217 | case '-': | |
218 | break; | |
219 | case ' ': | |
220 | case '.': | |
221 | nr += lf_putchr (file, '_'); | |
222 | break; | |
223 | default: | |
224 | nr += lf_putchr (file, *pos); | |
225 | break; | |
226 | } | |
227 | } | |
228 | return nr; | |
229 | } | |
230 | ||
231 | extern int | |
232 | print_function_name (lf *file, | |
233 | const char *basename, | |
234 | const char *format_name, | |
235 | const char *model_name, | |
236 | opcode_bits *expanded_bits, | |
237 | lf_function_name_prefixes prefix) | |
238 | { | |
239 | int nr = 0; | |
240 | /* the prefix */ | |
241 | switch (prefix) | |
242 | { | |
243 | case function_name_prefix_semantics: | |
244 | nr += lf_printf (file, "%s", options.module.semantics.prefix.l); | |
245 | nr += lf_printf (file, "semantic_"); | |
246 | break; | |
247 | case function_name_prefix_idecode: | |
248 | nr += lf_printf (file, "%s", options.module.idecode.prefix.l); | |
249 | nr += lf_printf (file, "idecode_"); | |
250 | break; | |
251 | case function_name_prefix_itable: | |
252 | nr += lf_printf (file, "%sitable_", options.module.itable.prefix.l); | |
253 | break; | |
254 | case function_name_prefix_icache: | |
255 | nr += lf_printf (file, "%s", options.module.icache.prefix.l); | |
256 | nr += lf_printf (file, "icache_"); | |
257 | break; | |
258 | case function_name_prefix_engine: | |
259 | nr += lf_printf (file, "%s", options.module.engine.prefix.l); | |
260 | nr += lf_printf (file, "engine_"); | |
261 | default: | |
262 | break; | |
263 | } | |
264 | ||
265 | if (model_name != NULL) | |
266 | { | |
267 | nr += print_c_name (file, model_name); | |
268 | nr += lf_printf (file, "_"); | |
269 | } | |
270 | ||
271 | /* the function name */ | |
272 | nr += print_c_name (file, basename); | |
273 | ||
274 | /* the format name if available */ | |
275 | if (format_name != NULL) | |
276 | { | |
277 | nr += lf_printf (file, "_"); | |
278 | nr += print_c_name (file, format_name); | |
279 | } | |
280 | ||
281 | /* the suffix */ | |
282 | nr += print_opcode_bits (file, expanded_bits); | |
283 | ||
284 | return nr; | |
285 | } | |
286 | ||
287 | ||
288 | void | |
289 | print_my_defines (lf *file, | |
290 | const char *basename, | |
291 | const char *format_name, | |
292 | opcode_bits *expanded_bits) | |
293 | { | |
294 | /* #define MY_INDEX xxxxx */ | |
295 | lf_indent_suppress (file); | |
296 | lf_printf (file, "#undef MY_INDEX\n"); | |
297 | lf_indent_suppress (file); | |
298 | lf_printf (file, "#define MY_INDEX "); | |
299 | print_function_name (file, | |
300 | basename, format_name, NULL, | |
301 | NULL, | |
302 | function_name_prefix_itable); | |
303 | lf_printf (file, "\n"); | |
304 | /* #define MY_PREFIX xxxxxx */ | |
305 | lf_indent_suppress (file); | |
306 | lf_printf (file, "#undef "); | |
307 | print_function_name (file, | |
308 | basename, format_name, NULL, | |
309 | expanded_bits, | |
310 | function_name_prefix_none); | |
311 | lf_printf (file, "\n"); | |
312 | lf_indent_suppress (file); | |
313 | lf_printf (file, "#undef MY_PREFIX\n"); | |
314 | lf_indent_suppress (file); | |
315 | lf_printf (file, "#define MY_PREFIX "); | |
316 | print_function_name (file, | |
317 | basename, format_name, NULL, | |
318 | expanded_bits, | |
319 | function_name_prefix_none); | |
320 | lf_printf (file, "\n"); | |
321 | /* #define MY_NAME xxxxxx */ | |
322 | lf_indent_suppress (file); | |
323 | lf_indent_suppress (file); | |
324 | lf_printf (file, "#undef MY_NAME\n"); | |
325 | lf_indent_suppress (file); | |
326 | lf_printf (file, "#define MY_NAME \""); | |
327 | print_function_name (file, | |
328 | basename, format_name, NULL, | |
329 | expanded_bits, | |
330 | function_name_prefix_none); | |
331 | lf_printf (file, "\"\n"); | |
332 | } | |
333 | ||
334 | ||
335 | static int | |
336 | print_itrace_prefix (lf *file) | |
337 | { | |
338 | const char *prefix = "trace_prefix ("; | |
339 | int indent = strlen (prefix); | |
340 | lf_printf (file, "%sSD, CPU, cia, CIA, TRACE_LINENUM_P (CPU), \\\n", prefix); | |
341 | lf_indent (file, +indent); | |
342 | lf_printf (file, "%sitable[MY_INDEX].file, \\\n", options.module.itable.prefix.l); | |
343 | lf_printf (file, "%sitable[MY_INDEX].line_nr, \\\n", options.module.itable.prefix.l); | |
344 | lf_printf (file, "\""); | |
345 | return indent; | |
346 | } | |
347 | ||
348 | ||
349 | static void | |
350 | print_itrace_format (lf *file, | |
351 | insn_mnemonic_entry *assembler) | |
352 | { | |
353 | /* pass=1 is fmt string; pass=2 is arguments */ | |
354 | int pass; | |
355 | /* print the format string */ | |
356 | for (pass = 1; pass <= 2; pass++) | |
357 | { | |
358 | const char *chp = assembler->format; | |
359 | chp++; /* skip the leading quote */ | |
360 | /* write out the format/args */ | |
361 | while (*chp != '\0') | |
362 | { | |
363 | if (chp[0] == '\\' && (chp[1] == '<' || chp[1] == '>')) | |
364 | { | |
365 | if (pass == 1) | |
366 | lf_putchr (file, chp[1]); | |
367 | chp += 2; | |
368 | } | |
369 | else if (chp[0] == '<' || chp[0] == '%') | |
370 | { | |
371 | /* parse [ "%" ... ] "<" [ func "#" ] param ">" */ | |
372 | const char *fmt; | |
373 | const char *func; | |
374 | int strlen_func; | |
375 | const char *param; | |
376 | int strlen_param; | |
377 | /* the "%" ... "<" format */ | |
378 | fmt = chp; | |
379 | while (chp[0] != '<' && chp[0] != '\0') | |
380 | chp++; | |
381 | if (chp[0] != '<') | |
382 | error (assembler->line, "Missing `<' after `%%'\n"); | |
383 | chp++; | |
384 | /* [ "func" # ] OR "param" */ | |
385 | func = chp; | |
386 | param = chp; | |
387 | while (chp[0] != '>' && chp[0] != '#' && chp[0] != '\0') | |
388 | chp++; | |
389 | strlen_func = chp - func; | |
390 | if (chp[0] == '#') | |
391 | { | |
392 | chp++; | |
393 | param = chp; | |
394 | while (chp[0] != '>' && chp[0] != '\0') | |
395 | chp++; | |
396 | } | |
397 | strlen_param = chp - param; | |
398 | if (chp[0] != '>') | |
399 | error (assembler->line, "Missing closing `>' in assembler string\n"); | |
400 | chp++; | |
401 | /* now process it */ | |
402 | if (pass == 2) | |
403 | lf_printf (file, ", \\\n"); | |
404 | if (strncmp (fmt, "<", 1) == 0) | |
405 | /* implicit long int format */ | |
406 | { | |
407 | if (pass == 1) | |
408 | lf_printf (file, "%%ld"); | |
409 | else | |
410 | { | |
411 | lf_printf (file, "(long) "); | |
412 | lf_write (file, param, strlen_param); | |
413 | } | |
414 | } | |
415 | else if (strncmp (fmt, "%<", 2) == 0) | |
416 | /* explicit format */ | |
417 | { | |
418 | if (pass == 1) | |
419 | lf_printf (file, "%%"); | |
420 | else | |
421 | lf_write (file, param, strlen_param); | |
422 | } | |
423 | else if (strncmp (fmt, "%s<", 3) == 0) | |
424 | /* string format */ | |
425 | { | |
426 | if (pass == 1) | |
427 | lf_printf (file, "%%s"); | |
428 | else | |
429 | { | |
430 | lf_printf (file, "%sstr_", options.module.global.prefix.l); | |
431 | lf_write (file, func, strlen_func); | |
432 | lf_printf (file, " (SD_, "); | |
433 | lf_write (file, param, strlen_param); | |
434 | lf_printf (file, ")"); | |
435 | } | |
436 | } | |
437 | else if (strncmp (fmt, "%lx<", 4) == 0) | |
438 | /* simple hex */ | |
439 | { | |
440 | if (pass == 1) | |
441 | lf_printf (file, "%%lx"); | |
442 | else | |
443 | { | |
444 | lf_printf (file, "(unsigned long) "); | |
445 | lf_write (file, param, strlen_param); | |
446 | } | |
447 | } | |
448 | else if (strncmp (fmt, "%08lx<", 6) == 0) | |
449 | /* simple hex */ | |
450 | { | |
451 | if (pass == 1) | |
452 | lf_printf (file, "%%08lx"); | |
453 | else | |
454 | { | |
455 | lf_printf (file, "(unsigned long) "); | |
456 | lf_write (file, param, strlen_param); | |
457 | } | |
458 | } | |
459 | else | |
460 | error (assembler->line, "Unknown assembler string format\n"); | |
461 | } | |
462 | else | |
463 | { | |
464 | if (pass == 1) | |
465 | lf_putchr (file, chp[0]); | |
466 | chp += 1; | |
467 | } | |
468 | } | |
469 | } | |
470 | lf_printf (file, ");\n"); | |
471 | } | |
472 | ||
473 | ||
474 | void | |
475 | print_itrace (lf *file, | |
476 | insn_entry *insn, | |
477 | int idecode) | |
478 | { | |
479 | /* NB: Here we escape each EOLN. This is so that the the compiler | |
480 | treats a trace function call as a single line. Consequently any | |
481 | errors in the line are refered back to the same igen assembler | |
482 | source line */ | |
483 | const char *phase = (idecode) ? "DECODE" : "INSN"; | |
484 | lf_printf (file, "\n"); | |
485 | lf_indent_suppress (file); | |
486 | lf_printf (file, "#if defined (WITH_TRACE)\n"); | |
487 | lf_printf (file, "/* generate a trace prefix if any tracing enabled */\n"); | |
488 | lf_printf (file, "if (TRACE_ANY_P (CPU))\n"); | |
489 | lf_printf (file, " {\n"); | |
490 | lf_indent (file, +4); | |
491 | { | |
492 | if (insn->mnemonics != NULL) | |
493 | { | |
494 | insn_mnemonic_entry *assembler = insn->mnemonics; | |
495 | int is_first = 1; | |
496 | do | |
497 | { | |
498 | if (assembler->condition != NULL) | |
499 | { | |
500 | int indent; | |
501 | lf_printf (file, "%sif (%s)\n", | |
502 | is_first ? "" : "else ", | |
503 | assembler->condition); | |
504 | lf_indent (file, +2); | |
505 | lf_print__line_ref (file, assembler->line); | |
506 | indent = print_itrace_prefix (file); | |
507 | print_itrace_format (file, assembler); | |
508 | lf_print__internal_ref (file); | |
509 | lf_indent (file, -indent); | |
510 | lf_indent (file, -2); | |
511 | if (assembler->next == NULL) | |
512 | error (assembler->line, "Missing final unconditional assembler\n"); | |
513 | } | |
514 | else | |
515 | { | |
516 | int indent; | |
517 | if (!is_first) | |
518 | { | |
519 | lf_printf (file, "else\n"); | |
520 | lf_indent (file, +2); | |
521 | } | |
522 | lf_print__line_ref (file, assembler->line); | |
523 | indent = print_itrace_prefix (file); | |
524 | print_itrace_format (file, assembler); | |
525 | lf_print__internal_ref (file); | |
526 | lf_indent (file, -indent); | |
527 | if (!is_first) | |
528 | lf_indent (file, -2); | |
529 | if (assembler->next != NULL) | |
530 | error (assembler->line, "Unconditional assembler is not last\n"); | |
531 | } | |
532 | is_first = 0; | |
533 | assembler = assembler->next; | |
534 | } | |
535 | while (assembler != NULL); | |
536 | } | |
537 | else | |
538 | { | |
539 | int indent; | |
540 | lf_indent (file, +2); | |
541 | lf_print__line_ref (file, insn->line); | |
542 | indent = print_itrace_prefix (file); | |
543 | lf_printf (file, "%%s\", \\\n"); | |
544 | lf_printf (file, "itable[MY_INDEX].name);\n"); | |
545 | lf_print__internal_ref (file); | |
546 | lf_indent (file, -indent); | |
547 | lf_indent (file, -2); | |
548 | } | |
549 | lf_printf (file, "/* trace the instruction execution if enabled */\n"); | |
550 | lf_printf (file, "if (TRACE_%s_P (CPU))\n", phase); | |
551 | lf_printf (file, " trace_generic (SD, CPU, TRACE_%s_IDX, \" %%s\", itable[MY_INDEX].name);\n", phase); | |
552 | } | |
553 | lf_indent (file, -4); | |
554 | lf_printf (file, " }\n"); | |
555 | lf_indent_suppress (file); | |
556 | lf_printf (file, "#endif\n"); | |
557 | } | |
558 | ||
559 | ||
560 | void | |
561 | print_sim_engine_abort (lf *file, | |
562 | const char *message) | |
563 | { | |
564 | lf_printf (file, "sim_engine_abort (SD, CPU, cia, "); | |
565 | lf_printf (file, "\"%s\"", message); | |
566 | lf_printf (file, ");\n"); | |
567 | } | |
568 | ||
569 | ||
570 | void | |
571 | print_include (lf *file, | |
572 | igen_module module) | |
573 | { | |
574 | lf_printf (file, "#include \"%s%s.h\"\n", module.prefix.l, module.suffix.l); | |
575 | } | |
576 | ||
577 | void | |
578 | print_include_inline (lf *file, | |
579 | igen_module module) | |
580 | { | |
581 | lf_printf (file, "#if C_REVEALS_MODULE_P (%s_INLINE)\n", module.suffix.u); | |
582 | lf_printf (file, "#include \"%s%s.c\"\n", module.prefix.l, module.suffix.l); | |
583 | lf_printf (file, "#else\n"); | |
584 | print_include (file, module); | |
585 | lf_printf (file, "#endif\n"); | |
586 | lf_printf (file, "\n"); | |
587 | } | |
588 | ||
589 | void | |
590 | print_includes (lf *file) | |
591 | { | |
592 | lf_printf (file, "\n"); | |
593 | lf_printf (file, "#include \"sim-inline.c\"\n"); | |
594 | lf_printf (file, "\n"); | |
595 | print_include_inline (file, options.module.itable); | |
596 | print_include_inline (file, options.module.idecode); | |
597 | print_include_inline (file, options.module.support); | |
598 | } | |
599 | ||
600 | ||
601 | /****************************************************************/ | |
602 | ||
603 | ||
604 | static void | |
605 | gen_semantics_h (lf *file, | |
606 | insn_list *semantics, | |
607 | int max_nr_words) | |
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); | |
615 | lf_printf (file, " %sidecode_semantic", | |
616 | options.module.global.prefix.l); | |
617 | if (word_nr >= 0) | |
618 | lf_printf (file, "_%d", word_nr); | |
619 | lf_printf (file, "\n("); | |
620 | lf_indent (file, +1); | |
621 | print_semantic_function_formal (file, word_nr); | |
622 | lf_indent (file, -1); | |
623 | lf_printf (file, ");\n"); | |
624 | lf_printf (file, "\n"); | |
625 | } | |
626 | switch (options.gen.code) | |
627 | { | |
628 | case generate_calls: | |
629 | for (semantic = semantics; semantic != NULL; semantic = semantic->next) | |
630 | { | |
631 | /* Ignore any special/internal instructions */ | |
632 | if (semantic->insn->nr_words == 0) | |
633 | continue; | |
634 | print_semantic_declaration (file, | |
635 | semantic->insn, | |
636 | semantic->expanded_bits, | |
637 | semantic->opcodes, | |
638 | semantic->nr_prefetched_words); | |
639 | } | |
640 | break; | |
641 | case generate_jumps: | |
642 | lf_print__this_file_is_empty (file, "generating jumps"); | |
643 | break; | |
644 | } | |
645 | } | |
646 | ||
647 | ||
648 | static void | |
649 | gen_semantics_c (lf *file, | |
650 | insn_list *semantics, | |
651 | cache_entry *cache_rules) | |
652 | { | |
653 | if (options.gen.code == generate_calls) | |
654 | { | |
655 | insn_list *semantic; | |
656 | print_includes (file); | |
657 | print_include (file, options.module.semantics); | |
658 | lf_printf (file, "\n"); | |
659 | ||
660 | for (semantic = semantics; semantic != NULL; semantic = semantic->next) | |
661 | { | |
662 | /* Ignore any special/internal instructions */ | |
663 | if (semantic->insn->nr_words == 0) | |
664 | continue; | |
665 | print_semantic_definition (file, | |
666 | semantic->insn, | |
667 | semantic->expanded_bits, | |
668 | semantic->opcodes, | |
669 | cache_rules, | |
670 | semantic->nr_prefetched_words); | |
671 | } | |
672 | } | |
673 | else | |
674 | { | |
675 | lf_print__this_file_is_empty (file, "generating jump engine"); | |
676 | } | |
677 | } | |
678 | ||
679 | ||
680 | /****************************************************************/ | |
681 | ||
682 | ||
683 | static void | |
684 | gen_icache_h (lf *file, | |
685 | insn_list *semantic, | |
686 | function_entry *functions, | |
687 | int max_nr_words) | |
688 | { | |
689 | int word_nr; | |
690 | for (word_nr = 0; word_nr <= max_nr_words; word_nr++) | |
691 | { | |
692 | lf_printf (file, "typedef "); | |
693 | print_icache_function_type(file); | |
694 | lf_printf (file, " %sidecode_icache_%d\n(", | |
695 | options.module.global.prefix.l, | |
696 | word_nr); | |
697 | print_icache_function_formal(file, word_nr); | |
698 | lf_printf (file, ");\n"); | |
699 | lf_printf (file, "\n"); | |
700 | } | |
701 | if (options.gen.code == generate_calls | |
702 | && options.gen.icache) | |
703 | { | |
704 | function_entry_traverse (file, functions, | |
705 | print_icache_internal_function_declaration, | |
706 | NULL); | |
707 | while (semantic != NULL) | |
708 | { | |
709 | print_icache_declaration (file, | |
710 | semantic->insn, | |
711 | semantic->expanded_bits, | |
712 | semantic->opcodes, | |
713 | semantic->nr_prefetched_words); | |
714 | semantic = semantic->next; | |
715 | } | |
716 | } | |
717 | else | |
718 | { | |
719 | lf_print__this_file_is_empty (file, "generating jump engine"); | |
720 | } | |
721 | } | |
722 | ||
723 | static void | |
724 | gen_icache_c (lf *file, | |
725 | insn_list *semantic, | |
726 | function_entry *functions, | |
727 | cache_entry *cache_rules) | |
728 | { | |
729 | /* output `internal' invalid/floating-point unavailable functions | |
730 | where needed */ | |
731 | if (options.gen.code == generate_calls | |
732 | && options.gen.icache) | |
733 | { | |
734 | lf_printf (file, "\n"); | |
735 | lf_printf (file, "#include \"cpu.h\"\n"); | |
736 | lf_printf (file, "#include \"idecode.h\"\n"); | |
737 | lf_printf (file, "#include \"semantics.h\"\n"); | |
738 | lf_printf (file, "#include \"icache.h\"\n"); | |
739 | lf_printf (file, "#include \"support.h\"\n"); | |
740 | lf_printf (file, "\n"); | |
741 | function_entry_traverse (file, functions, | |
742 | print_icache_internal_function_definition, | |
743 | NULL); | |
744 | lf_printf (file, "\n"); | |
745 | while (semantic != NULL) | |
746 | { | |
747 | print_icache_definition (file, | |
748 | semantic->insn, | |
749 | semantic->expanded_bits, | |
750 | semantic->opcodes, | |
751 | cache_rules, | |
752 | semantic->nr_prefetched_words); | |
753 | semantic = semantic->next; | |
754 | } | |
755 | } | |
756 | else | |
757 | { | |
758 | lf_print__this_file_is_empty (file, "generating jump engine"); | |
759 | } | |
760 | } | |
761 | ||
762 | ||
763 | /****************************************************************/ | |
764 | ||
765 | ||
766 | static void | |
767 | gen_idecode_h (lf *file, | |
768 | gen_table *gen, | |
769 | insn_table *insns, | |
770 | cache_entry *cache_rules) | |
771 | { | |
772 | lf_printf (file, "typedef unsigned%d %sinstruction_word;\n", | |
773 | options.insn_bit_size, options.module.global.prefix.l); | |
774 | if (options.gen.delayed_branch) | |
775 | { | |
776 | lf_printf (file, "typedef struct _%sinstruction_address {\n", | |
777 | options.module.global.prefix.l); | |
778 | lf_printf (file, " address_word ip; /* instruction pointer */\n"); | |
779 | lf_printf (file, " address_word dp; /* delayed-slot pointer */\n"); | |
780 | lf_printf (file, "} %sinstruction_address;\n", options.module.global.prefix.l); | |
781 | } | |
782 | else | |
783 | { | |
784 | lf_printf (file, "typedef address_word %sinstruction_address;\n", | |
785 | options.module.global.prefix.l); | |
786 | ||
787 | } | |
788 | if (options.gen.nia == nia_is_invalid | |
789 | && strlen (options.module.global.prefix.u) > 0) | |
790 | { | |
791 | lf_indent_suppress (file); | |
792 | lf_printf (file, "#define %sINVALID_INSTRUCTION_ADDRESS ", | |
793 | options.module.global.prefix.u); | |
794 | lf_printf (file, "INVALID_INSTRUCTION_ADDRESS\n"); | |
795 | } | |
796 | lf_printf (file, "\n"); | |
797 | print_icache_struct (file, insns, cache_rules); | |
798 | lf_printf (file, "\n"); | |
799 | if (options.gen.icache) | |
800 | { | |
801 | ERROR ("FIXME - idecode with icache suffering from bit-rot"); | |
802 | } | |
803 | else | |
804 | { | |
805 | gen_list *entry; | |
806 | for (entry = gen->tables; entry != NULL; entry = entry->next) | |
807 | { | |
808 | print_idecode_issue_function_header (file, | |
809 | (options.gen.multi_sim | |
810 | ? entry->model->name | |
811 | : NULL), | |
812 | is_function_declaration, | |
813 | 1/*ALWAYS ONE WORD*/); | |
814 | } | |
815 | if (options.gen.multi_sim) | |
816 | { | |
817 | print_idecode_issue_function_header (file, | |
818 | NULL, | |
819 | is_function_variable, | |
820 | 1/*ALWAYS ONE WORD*/); | |
821 | } | |
822 | } | |
823 | } | |
824 | ||
825 | ||
826 | static void | |
827 | gen_idecode_c (lf *file, | |
828 | gen_table *gen, | |
829 | insn_table *isa, | |
830 | cache_entry *cache_rules) | |
831 | { | |
832 | /* the intro */ | |
833 | print_includes (file); | |
834 | print_include_inline (file, options.module.semantics); | |
835 | lf_printf (file, "\n"); | |
836 | ||
837 | print_idecode_globals (file); | |
838 | lf_printf (file, "\n"); | |
839 | ||
840 | switch (options.gen.code) | |
841 | { | |
842 | case generate_calls: | |
843 | { | |
844 | gen_list *entry; | |
845 | for (entry = gen->tables; entry != NULL; entry = entry->next) | |
846 | { | |
847 | print_idecode_lookups (file, entry->table, cache_rules); | |
848 | ||
849 | /* output the main idecode routine */ | |
850 | if (!options.gen.icache) | |
851 | { | |
852 | print_idecode_issue_function_header (file, | |
853 | (options.gen.multi_sim | |
854 | ? entry->model->name | |
855 | : NULL), | |
856 | 1/*is definition*/, | |
857 | 1/*ALWAYS ONE WORD*/); | |
858 | lf_printf (file, "{\n"); | |
859 | lf_indent (file, +2); | |
860 | lf_printf (file, "%sinstruction_address nia;\n", | |
861 | options.module.global.prefix.l); | |
862 | print_idecode_body (file, entry->table, "nia ="); | |
863 | lf_printf (file, "return nia;"); | |
864 | lf_indent (file, -2); | |
865 | lf_printf (file, "}\n"); | |
866 | } | |
867 | } | |
868 | break; | |
869 | } | |
870 | case generate_jumps: | |
871 | { | |
872 | lf_print__this_file_is_empty (file, "generating a jump engine"); | |
873 | break; | |
874 | } | |
875 | } | |
876 | } | |
877 | ||
878 | ||
879 | /****************************************************************/ | |
880 | ||
881 | ||
882 | static void | |
883 | gen_run_c (lf *file, | |
884 | gen_table *gen) | |
885 | { | |
886 | gen_list *entry; | |
887 | lf_printf (file, "#include \"sim-main.h\"\n"); | |
888 | lf_printf (file, "#include \"engine.h\"\n"); | |
889 | lf_printf (file, "#include \"idecode.h\"\n"); | |
890 | lf_printf (file, "#include \"bfd.h\"\n"); | |
891 | lf_printf (file, "\n"); | |
892 | ||
893 | if (options.gen.multi_sim) | |
894 | { | |
895 | print_idecode_issue_function_header (file, NULL, is_function_variable, 1); | |
896 | lf_printf (file, "\n"); | |
897 | print_engine_run_function_header (file, NULL, is_function_variable); | |
898 | lf_printf (file, "\n"); | |
899 | } | |
900 | ||
901 | lf_printf (file, "void\n"); | |
902 | lf_printf (file, "sim_engine_run (SIM_DESC sd,\n"); | |
903 | lf_printf (file, " int next_cpu_nr,\n"); | |
904 | lf_printf (file, " int nr_cpus,\n"); | |
905 | lf_printf (file, " int siggnal)\n"); | |
906 | lf_printf (file, "{\n"); | |
907 | lf_indent (file, +2); | |
908 | if (options.gen.multi_sim) | |
909 | { | |
910 | lf_printf (file, "int mach;\n"); | |
911 | lf_printf (file, "if (STATE_ARCHITECTURE (sd) == NULL)\n"); | |
912 | lf_printf (file, " mach = 0;\n"); | |
913 | lf_printf (file, "else\n"); | |
914 | lf_printf (file, " mach = STATE_ARCHITECTURE (sd)->mach;\n"); | |
915 | lf_printf (file, "switch (mach)\n"); | |
916 | lf_printf (file, " {\n"); | |
917 | lf_indent (file, +2); | |
918 | for (entry = gen->tables; entry != NULL; entry = entry->next) | |
919 | { | |
920 | if (options.gen.default_model != NULL | |
921 | && (strcmp (entry->model->name, options.gen.default_model) == 0 | |
922 | || strcmp (entry->model->full_name, options.gen.default_model) == 0)) | |
923 | lf_printf (file, "default:\n"); | |
924 | lf_printf (file, "case bfd_mach_%s:\n", entry->model->full_name); | |
925 | lf_indent (file, +2); | |
926 | print_function_name (file, | |
927 | "issue", | |
928 | NULL, /* format name */ | |
929 | NULL, /* NO processor */ | |
930 | NULL, /* expanded bits */ | |
931 | function_name_prefix_idecode); | |
932 | lf_printf (file, " = "); | |
933 | print_function_name (file, | |
934 | "issue", | |
935 | NULL, /* format name */ | |
936 | entry->model->name, | |
937 | NULL, /* expanded bits */ | |
938 | function_name_prefix_idecode); | |
939 | lf_printf (file, ";\n"); | |
940 | print_function_name (file, | |
941 | "run", | |
942 | NULL, /* format name */ | |
943 | NULL, /* NO processor */ | |
944 | NULL, /* expanded bits */ | |
945 | function_name_prefix_engine); | |
946 | lf_printf (file, " = "); | |
947 | print_function_name (file, | |
948 | "run", | |
949 | NULL, /* format name */ | |
950 | entry->model->name, | |
951 | NULL, /* expanded bits */ | |
952 | function_name_prefix_engine); | |
953 | lf_printf (file, ";\n"); | |
954 | lf_printf (file, "break;\n"); | |
955 | lf_indent (file, -2); | |
956 | } | |
957 | if (options.gen.default_model == NULL) | |
958 | { | |
959 | lf_printf (file, "default:\n"); | |
960 | lf_indent (file, +2); | |
961 | lf_printf (file, "sim_engine_abort (sd, NULL, NULL_CIA,\n"); | |
962 | lf_printf (file, " \"sim_engine_run - unknown machine\");\n"); | |
963 | lf_printf (file, "break;\n"); | |
964 | lf_indent (file, -2); | |
965 | } | |
966 | lf_indent (file, -2); | |
967 | lf_printf (file, " }\n"); | |
968 | } | |
969 | print_function_name (file, | |
970 | "run", | |
971 | NULL, /* format name */ | |
972 | NULL, /* NO processor */ | |
973 | NULL, /* expanded bits */ | |
974 | function_name_prefix_engine); | |
975 | lf_printf (file, " (sd, next_cpu_nr, nr_cpus, siggnal);\n"); | |
976 | lf_indent (file, -2); | |
977 | lf_printf (file, "}\n"); | |
978 | } | |
979 | ||
980 | /****************************************************************/ | |
981 | ||
982 | static gen_table * | |
983 | do_gen (insn_table *isa, | |
984 | decode_table *decode_rules) | |
985 | { | |
986 | gen_table *gen; | |
987 | if (decode_rules == NULL) | |
988 | error (NULL, "Must specify a decode table\n"); | |
989 | if (isa == NULL) | |
990 | error (NULL, "Must specify an instruction table\n"); | |
991 | if (decode_table_max_word_nr (decode_rules) > 0) | |
992 | options.gen.multi_word = decode_table_max_word_nr (decode_rules); | |
993 | gen = make_gen_tables (isa, decode_rules); | |
994 | gen_tables_expand_insns (gen); | |
995 | gen_tables_expand_semantics (gen); | |
996 | return gen; | |
997 | } | |
998 | ||
999 | /****************************************************************/ | |
1000 | ||
1001 | igen_options options; | |
1002 | ||
1003 | int | |
1004 | main (int argc, | |
1005 | char **argv, | |
1006 | char **envp) | |
1007 | { | |
1008 | cache_entry *cache_rules = NULL; | |
1009 | lf_file_references file_references = lf_include_references; | |
1010 | decode_table *decode_rules = NULL; | |
1011 | insn_table *isa = NULL; | |
1012 | gen_table *gen = NULL; | |
1013 | char *real_file_name = NULL; | |
1014 | int is_header = 0; | |
1015 | int ch; | |
1016 | lf *standard_out = lf_open ("-", "stdout", lf_omit_references, lf_is_text, "igen"); | |
1017 | ||
1018 | INIT_OPTIONS (); | |
1019 | ||
1020 | if (argc == 1) | |
1021 | { | |
1022 | printf ("Usage:\n"); | |
1023 | printf ("\n"); | |
1024 | printf (" igen <config-opts> ... <input-opts>... <output-opts>...\n"); | |
1025 | printf ("\n"); | |
1026 | printf ("Config options:\n"); | |
1027 | printf ("\n"); | |
1028 | printf (" -B <bit-size>\n"); | |
1029 | printf ("\t Set the number of bits in an instruction (depreciated).\n"); | |
1030 | printf ("\t This option can now be set directly in the instruction table.\n"); | |
1031 | printf ("\n"); | |
1032 | printf (" -D <data-structure>\n"); | |
1033 | printf ("\t Dump the specified data structure to stdout. Valid structures include:\n"); | |
1034 | printf ("\t processor-names - list the names of all the processors (models)\n"); | |
1035 | printf ("\n"); | |
1036 | printf (" -F <filter-list>\n"); | |
1037 | printf ("\t Filter out any instructions with a non-empty flags field that contains\n"); | |
1038 | printf ("\t a flag not listed in the <filter-list>.\n"); | |
1039 | printf ("\n"); | |
1040 | printf (" -H <high-bit>\n"); | |
1041 | printf ("\t Set the number of the high (most significant) instruction bit (depreciated).\n"); | |
1042 | printf ("\t This option can now be set directly in the instruction table.\n"); | |
1043 | printf ("\n"); | |
1044 | printf (" -I <directory>\n"); | |
1045 | printf ("\t Add <directory> to the list of directories searched when opening a file\n"); | |
1046 | printf ("\n"); | |
1047 | printf (" -M <model-list>\n"); | |
1048 | printf ("\t Filter out any instructions that do not support at least one of the listed\n"); | |
1049 | printf ("\t models (An instructions with no model information is considered to support\n"); | |
1050 | printf ("\t all models.).\n"); | |
1051 | printf ("\n"); | |
1052 | printf (" -N <nr-cpus>\n"); | |
1053 | printf ("\t Generate a simulator supporting <nr-cpus>\n"); | |
1054 | printf ("\t Specify `-N 0' to disable generation of the SMP. Specifying `-N 1' will\n"); | |
1055 | printf ("\t still generate an SMP enabled simulator but will only support one CPU.\n"); | |
1056 | printf ("\n"); | |
1057 | printf (" -T <mechanism>\n"); | |
1058 | printf ("\t Override the decode mechanism specified by the decode rules\n"); | |
1059 | printf ("\n"); | |
1060 | printf (" -P <prefix>\n"); | |
1061 | printf ("\t Prepend global names (except itable) with the string <prefix>.\n"); | |
1062 | printf ("\t Specify -P <module>=<prefix> to set a specific <module>'s prefix.\n"); | |
1063 | printf ("\n"); | |
1064 | printf (" -S <suffix>\n"); | |
1065 | printf ("\t Replace a global name (suffix) (except itable) with the string <suffix>.\n"); | |
1066 | printf ("\t Specify -S <module>=<suffix> to change a specific <module>'s name (suffix).\n"); | |
1067 | printf ("\n"); | |
1068 | printf (" -Werror\n"); | |
1069 | printf ("\t Make warnings errors\n"); | |
1070 | printf (" -Wnodiscard\n"); | |
1071 | printf ("\t Suppress warnings about discarded functions and instructions\n"); | |
1072 | printf (" -Wnowidth\n"); | |
1073 | printf ("\t Suppress warnings about instructions with invalid widths\n"); | |
1074 | printf (" -Wnounimplemented\n"); | |
1075 | printf ("\t Suppress warnings about unimplemented instructions\n"); | |
1076 | printf ("\n"); | |
1077 | printf (" -G [!]<gen-option>\n"); | |
1078 | printf ("\t Any of the following options:\n"); | |
1079 | printf ("\n"); | |
1080 | printf ("\t decode-duplicate - Override the decode rules, forcing the duplication of\n"); | |
1081 | printf ("\t semantic functions\n"); | |
1082 | printf ("\t decode-combine - Combine any duplicated entries within a table\n"); | |
1083 | printf ("\t decode-zero-reserved - Override the decode rules, forcing reserved bits to be\n"); | |
1084 | printf ("\t treated as zero.\n"); | |
1085 | printf ("\t decode-switch-is-goto - Overfide the padded-switch code type as a goto-switch\n"); | |
1086 | printf ("\n"); | |
1087 | printf ("\t gen-conditional-issue - conditionally issue each instruction\n"); | |
1088 | printf ("\t gen-delayed-branch - need both cia and nia passed around\n"); | |
1089 | printf ("\t gen-direct-access - use #defines to directly access values\n"); | |
1090 | printf ("\t gen-zero-r<N> - arch assumes GPR(<N>) == 0, keep it that way\n"); | |
1091 | printf ("\t gen-icache[=<N> - generate an instruction cracking cache of size <N>\n"); | |
1092 | printf ("\t Default size is %d\n", options.gen.icache_size); | |
1093 | printf ("\t gen-insn-in-icache - save original instruction when cracking\n"); | |
1094 | printf ("\t gen-multi-sim[=MODEL] - generate multiple simulators - one per model\n"); | |
1095 | printf ("\t If specified MODEL is made the default architecture.\n"); | |
1096 | printf ("\t By default, a single simulator that will\n"); | |
1097 | printf ("\t execute any instruction is generated\n"); | |
1098 | printf ("\t gen-multi-word - generate code allowing for multi-word insns\n"); | |
1099 | printf ("\t gen-semantic-icache - include semantic code in cracking functions\n"); | |
1100 | printf ("\t gen-slot-verification - perform slot verification as part of decode\n"); | |
1101 | printf ("\t gen-nia-invalid - NIA defaults to nia_invalid\n"); | |
1102 | printf ("\t gen-nia-void - do not compute/return NIA\n"); | |
1103 | printf ("\n"); | |
1104 | printf ("\t trace-combine - report combined entries a rule application\n"); | |
1105 | printf ("\t trace-entries - report entries after a rules application\n"); | |
1106 | printf ("\t trace-rule-rejection - report each rule as rejected\n"); | |
1107 | printf ("\t trace-rule-selection - report each rule as selected\n"); | |
1108 | printf ("\t trace-insn-insertion - report each instruction as it is inserted into a decode table\n"); | |
1109 | printf ("\t trace-rule-expansion - report each instruction as it is expanded (before insertion into a decode table)\n"); | |
1110 | printf ("\t trace-all - enable all trace options\n"); | |
1111 | printf ("\n"); | |
1112 | printf ("\t field-widths - instruction formats specify widths (depreciated)\n"); | |
1113 | printf ("\t By default, an instruction format specifies bit\n"); | |
1114 | printf ("\t positions\n"); | |
1115 | printf ("\t This option can now be set directly in the\n"); | |
1116 | printf ("\t instruction table\n"); | |
1117 | printf ("\t jumps - use jumps instead of function calls\n"); | |
1118 | printf ("\t omit-line-numbers - do not include line number information in the output\n"); | |
1119 | printf ("\n"); | |
1120 | printf ("Input options:\n"); | |
1121 | printf ("\n"); | |
1122 | printf (" -k <cache-rules> (depreciated)\n"); | |
1123 | printf (" -o <decode-rules>\n"); | |
1124 | printf (" -i <instruction-table>\n"); | |
1125 | printf ("\n"); | |
1126 | printf ("Output options:\n"); | |
1127 | printf ("\n"); | |
1128 | printf (" -x Perform expansion (required)\n"); | |
1129 | printf (" -n <real-name> Specify the real name of the next output file\n"); | |
1130 | printf (" -h Generate the header (.h) file rather than the body (.c)\n"); | |
1131 | printf (" -c <output-file> output icache\n"); | |
1132 | printf (" -d <output-file> output idecode\n"); | |
1133 | printf (" -e <output-file> output engine\n"); | |
1134 | printf (" -f <output-file> output support functions\n"); | |
1135 | printf (" -m <output-file> output model\n"); | |
1136 | printf (" -r <output-file> output multi-sim run\n"); | |
1137 | printf (" -s <output-file> output schematic\n"); | |
1138 | printf (" -t <output-file> output itable\n"); | |
1139 | } | |
1140 | ||
1141 | while ((ch = getopt(argc, argv, | |
1142 | "B:D:F:G:H:I:M:N:P:T:W:o:k:i:n:hc:d:e:m:r:s:t:f:x")) | |
1143 | != -1) | |
1144 | { | |
1145 | fprintf (stderr, " -%c ", ch); | |
1146 | if (optarg) | |
1147 | fprintf (stderr, "%s ", optarg); | |
1148 | fprintf (stderr, "\\\n"); | |
1149 | ||
1150 | switch(ch) | |
1151 | { | |
1152 | ||
1153 | case 'M': | |
1154 | filter_parse (&options.model_filter, optarg); | |
1155 | break; | |
1156 | ||
1157 | case 'D': | |
1158 | if (strcmp (optarg, "processor-names")) | |
1159 | { | |
1160 | char *processor; | |
1161 | for (processor = filter_next (options.model_filter, ""); | |
1162 | processor != NULL; | |
1163 | processor = filter_next (options.model_filter, processor)) | |
1164 | lf_printf (standard_out, "%s\n", processor); | |
1165 | } | |
1166 | else | |
1167 | error (NULL, "Unknown data structure %s, not dumped\n", optarg); | |
1168 | break; | |
1169 | ||
1170 | case 'F': | |
1171 | filter_parse (&options.flags_filter, optarg); | |
1172 | break; | |
1173 | ||
1174 | case 'I': | |
1175 | { | |
1176 | table_include **dir = &options.include; | |
1177 | while ((*dir) != NULL) | |
1178 | dir = &(*dir)->next; | |
1179 | (*dir) = ZALLOC (table_include); | |
1180 | (*dir)->dir = strdup (optarg); | |
1181 | } | |
1182 | break; | |
1183 | ||
1184 | case 'B': | |
1185 | options.insn_bit_size = a2i (optarg); | |
1186 | if (options.insn_bit_size <= 0 | |
1187 | || options.insn_bit_size > max_insn_bit_size) | |
1188 | { | |
1189 | error (NULL, "Instruction bitsize must be in range 1..%d\n", | |
1190 | max_insn_bit_size); | |
1191 | } | |
1192 | if (options.hi_bit_nr != options.insn_bit_size - 1 | |
1193 | && options.hi_bit_nr != 0) | |
1194 | { | |
1195 | error (NULL, "Conflict betweem hi-bit-nr and insn-bit-size\n"); | |
1196 | } | |
1197 | break; | |
1198 | ||
1199 | case 'H': | |
1200 | options.hi_bit_nr = a2i (optarg); | |
1201 | if (options.hi_bit_nr != options.insn_bit_size - 1 | |
1202 | && options.hi_bit_nr != 0) | |
1203 | { | |
1204 | error (NULL, "Conflict between hi-bit-nr and insn-bit-size\n"); | |
1205 | } | |
1206 | break; | |
1207 | ||
1208 | case 'N': | |
1209 | options.gen.smp = a2i (optarg); | |
1210 | break; | |
1211 | ||
1212 | case 'P': | |
1213 | case 'S': | |
1214 | { | |
1215 | igen_module *names; | |
1216 | igen_name *name; | |
1217 | char *chp; | |
1218 | chp = strchr (optarg, '='); | |
1219 | if (chp == NULL) | |
1220 | { | |
1221 | names = &options.module.global; | |
1222 | chp = optarg; | |
1223 | } | |
1224 | else | |
1225 | { | |
1226 | chp = chp + 1; /* skip `=' */ | |
1227 | names = NULL; | |
1228 | if (strncmp (optarg, "global=", chp - optarg) == 0) | |
1229 | { | |
1230 | names = &options.module.global; | |
1231 | } | |
1232 | if (strncmp (optarg, "engine=", chp - optarg) == 0) | |
1233 | { | |
1234 | names = &options.module.engine; | |
1235 | } | |
1236 | if (strncmp (optarg, "icache=", chp - optarg) == 0) | |
1237 | { | |
1238 | names = &options.module.icache; | |
1239 | } | |
1240 | if (strncmp (optarg, "idecode=", chp - optarg) == 0) | |
1241 | { | |
1242 | names = &options.module.idecode; | |
1243 | } | |
1244 | if (strncmp (optarg, "itable=", chp - optarg) == 0) | |
1245 | { | |
1246 | names = &options.module.itable; | |
1247 | } | |
1248 | if (strncmp (optarg, "semantics=", chp - optarg) == 0) | |
1249 | { | |
1250 | names = &options.module.semantics; | |
1251 | } | |
1252 | if (strncmp (optarg, "support=", chp - optarg) == 0) | |
1253 | { | |
1254 | names = &options.module.support; | |
1255 | } | |
1256 | if (names == NULL) | |
1257 | { | |
1258 | error (NULL, "Prefix `%s' unreconized\n", optarg); | |
1259 | } | |
1260 | } | |
1261 | switch (ch) | |
1262 | { | |
1263 | case 'P': | |
1264 | name = &names->prefix; | |
1265 | break; | |
1266 | case 'S': | |
1267 | name = &names->suffix; | |
1268 | break; | |
1269 | } | |
1270 | name->u = strdup (chp); | |
1271 | name->l = strdup (chp); | |
1272 | chp = name->u; | |
1273 | while (*chp) { | |
1274 | if (islower(*chp)) | |
1275 | *chp = toupper(*chp); | |
1276 | chp++; | |
1277 | } | |
1278 | if (name == &options.module.global.prefix) | |
1279 | { | |
1280 | options.module.engine.prefix = options.module.global.prefix; | |
1281 | options.module.icache.prefix = options.module.global.prefix; | |
1282 | options.module.idecode.prefix = options.module.global.prefix; | |
1283 | /* options.module.itable.prefix = options.module.global.prefix; */ | |
1284 | options.module.semantics.prefix = options.module.global.prefix; | |
1285 | options.module.support.prefix = options.module.global.prefix; | |
1286 | } | |
1287 | if (name == &options.module.global.suffix) | |
1288 | { | |
1289 | options.module.engine.suffix = options.module.global.suffix; | |
1290 | options.module.icache.suffix = options.module.global.suffix; | |
1291 | options.module.idecode.suffix = options.module.global.suffix; | |
1292 | /* options.module.itable.suffix = options.module.global.suffix; */ | |
1293 | options.module.semantics.suffix = options.module.global.suffix; | |
1294 | options.module.support.suffix = options.module.global.suffix; | |
1295 | } | |
1296 | break; | |
1297 | } | |
1298 | ||
1299 | case 'W': | |
1300 | { | |
1301 | if (strcmp (optarg, "error") == 0) | |
1302 | options.warning = error; | |
1303 | else if (strcmp (optarg, "nodiscard") == 0) | |
1304 | options.warn.discard = 0; | |
1305 | else if (strcmp (optarg, "discard") == 0) | |
1306 | options.warn.discard = 1; | |
1307 | else if (strcmp (optarg, "nowidth") == 0) | |
1308 | options.warn.width = 0; | |
1309 | else if (strcmp (optarg, "width") == 0) | |
1310 | options.warn.width = 1; | |
1311 | else if (strcmp (optarg, "nounimplemented") == 0) | |
1312 | options.warn.unimplemented = 0; | |
1313 | else if (strcmp (optarg, "unimplemented") == 0) | |
1314 | options.warn.unimplemented = 1; | |
1315 | else | |
1316 | error (NULL, "Unknown -W argument `%s'\n", optarg); | |
1317 | break; | |
1318 | } | |
1319 | ||
1320 | ||
1321 | case 'G': | |
1322 | { | |
1323 | int enable_p; | |
1324 | char *argp; | |
1325 | if (strncmp (optarg, "no-", strlen ("no-")) == 0) | |
1326 | { | |
1327 | argp = optarg + strlen ("no-"); | |
1328 | enable_p = 0; | |
1329 | } | |
1330 | else if (strncmp (optarg, "!", strlen ("!")) == 0) | |
1331 | { | |
1332 | argp = optarg + strlen ("no-"); | |
1333 | enable_p = 0; | |
1334 | } | |
1335 | else | |
1336 | { | |
1337 | argp = optarg; | |
1338 | enable_p = 1; | |
1339 | } | |
1340 | if (strcmp (argp, "decode-duplicate") == 0) | |
1341 | { | |
1342 | options.decode.duplicate = enable_p; | |
1343 | } | |
1344 | else if (strcmp (argp, "decode-combine") == 0) | |
1345 | { | |
1346 | options.decode.combine = enable_p; | |
1347 | } | |
1348 | else if (strcmp (argp, "decode-zero-reserved") == 0) | |
1349 | { | |
1350 | options.decode.zero_reserved = enable_p; | |
1351 | } | |
1352 | ||
1353 | else if (strcmp (argp, "gen-conditional-issue") == 0) | |
1354 | { | |
1355 | options.gen.conditional_issue = enable_p; | |
1356 | } | |
1357 | else if (strcmp (argp, "conditional-issue") == 0) | |
1358 | { | |
1359 | options.gen.conditional_issue = enable_p; | |
1360 | options.warning (NULL, "Option conditional-issue replaced by gen-conditional-issue\n"); | |
1361 | } | |
1362 | else if (strcmp (argp, "gen-delayed-branch") == 0) | |
1363 | { | |
1364 | options.gen.delayed_branch = enable_p; | |
1365 | } | |
1366 | else if (strcmp (argp, "delayed-branch") == 0) | |
1367 | { | |
1368 | options.gen.delayed_branch = enable_p; | |
1369 | options.warning (NULL, "Option delayed-branch replaced by gen-delayed-branch\n"); | |
1370 | } | |
1371 | else if (strcmp (argp, "gen-direct-access") == 0) | |
1372 | { | |
1373 | options.gen.direct_access = enable_p; | |
1374 | } | |
1375 | else if (strcmp (argp, "direct-access") == 0) | |
1376 | { | |
1377 | options.gen.direct_access = enable_p; | |
1378 | options.warning (NULL, "Option direct-access replaced by gen-direct-access\n"); | |
1379 | } | |
1380 | else if (strncmp (argp, "gen-zero-r", strlen ("gen-zero-r")) == 0) | |
1381 | { | |
1382 | options.gen.zero_reg = enable_p; | |
1383 | options.gen.zero_reg_nr = atoi (argp + strlen ("gen-zero-r")); | |
1384 | } | |
1385 | else if (strncmp (argp, "zero-r", strlen ("zero-r")) == 0) | |
1386 | { | |
1387 | options.gen.zero_reg = enable_p; | |
1388 | options.gen.zero_reg_nr = atoi (argp + strlen ("zero-r")); | |
1389 | options.warning (NULL, "Option zero-r<N> replaced by gen-zero-r<N>\n"); | |
1390 | } | |
1391 | else if (strncmp (argp, "gen-icache", strlen ("gen-icache")) == 0) | |
1392 | { | |
1393 | switch (argp[strlen ("gen-icache")]) | |
1394 | { | |
1395 | case '=': | |
1396 | options.gen.icache_size = atoi (argp + strlen ("gen-icache") + 1); | |
1397 | options.gen.icache = enable_p; | |
1398 | break; | |
1399 | case '\0': | |
1400 | options.gen.icache = enable_p; | |
1401 | break; | |
1402 | default: | |
1403 | error (NULL, "Expecting -Ggen-icache or -Ggen-icache=<N>\n"); | |
1404 | } | |
1405 | } | |
1406 | else if (strcmp (argp, "gen-insn-in-icache") == 0) | |
1407 | { | |
1408 | options.gen.insn_in_icache = enable_p; | |
1409 | } | |
1410 | else if (strncmp (argp, "gen-multi-sim", strlen ("gen-multi-sim")) == 0) | |
1411 | { | |
1412 | char *arg = &argp[strlen ("gen-multi-sim")]; | |
1413 | switch (arg[0]) | |
1414 | { | |
1415 | case '=': | |
1416 | options.gen.multi_sim = enable_p; | |
1417 | options.gen.default_model = arg + 1; | |
1418 | if (! filter_is_member (options.model_filter, options.gen.default_model)) | |
1419 | error (NULL, "multi-sim model %s unknown\n", options.gen.default_model); | |
1420 | break; | |
1421 | case '\0': | |
1422 | options.gen.multi_sim = enable_p; | |
1423 | options.gen.default_model = NULL; | |
1424 | break; | |
1425 | default: | |
1426 | error (NULL, "Expecting -Ggen-multi-sim or -Ggen-multi-sim=<MODEL>\n"); | |
1427 | break; | |
1428 | } | |
1429 | } | |
1430 | else if (strcmp (argp, "gen-multi-word") == 0) | |
1431 | { | |
1432 | options.gen.multi_word = enable_p; | |
1433 | } | |
1434 | else if (strcmp (argp, "gen-semantic-icache") == 0) | |
1435 | { | |
1436 | options.gen.semantic_icache = enable_p; | |
1437 | } | |
1438 | else if (strcmp (argp, "gen-slot-verification") == 0) | |
1439 | { | |
1440 | options.gen.slot_verification = enable_p; | |
1441 | } | |
1442 | else if (strcmp (argp, "verify-slot") == 0) | |
1443 | { | |
1444 | options.gen.slot_verification = enable_p; | |
1445 | options.warning (NULL, "Option verify-slot replaced by gen-slot-verification\n"); | |
1446 | } | |
1447 | else if (strcmp (argp, "gen-nia-invalid") == 0) | |
1448 | { | |
1449 | options.gen.nia = nia_is_invalid; | |
1450 | } | |
1451 | else if (strcmp (argp, "default-nia-minus-one") == 0) | |
1452 | { | |
1453 | options.gen.nia = nia_is_invalid; | |
1454 | options.warning (NULL, "Option default-nia-minus-one replaced by gen-nia-invalid\n"); | |
1455 | } | |
1456 | else if (strcmp (argp, "gen-nia-void") == 0) | |
1457 | { | |
1458 | options.gen.nia = nia_is_void; | |
1459 | } | |
1460 | else if (strcmp (argp, "trace-all") == 0) | |
1461 | { | |
1462 | memset (&options.trace, enable_p, sizeof (options.trace)); | |
1463 | } | |
1464 | else if (strcmp (argp, "trace-combine") == 0) | |
1465 | { | |
1466 | options.trace.combine = enable_p; | |
1467 | } | |
1468 | else if (strcmp (argp, "trace-entries") == 0) | |
1469 | { | |
1470 | options.trace.entries = enable_p; | |
1471 | } | |
1472 | else if (strcmp (argp, "trace-rule-rejection") == 0) | |
1473 | { | |
1474 | options.trace.rule_rejection = enable_p; | |
1475 | } | |
1476 | else if (strcmp (argp, "trace-rule-selection") == 0) | |
1477 | { | |
1478 | options.trace.rule_selection = enable_p; | |
1479 | } | |
1480 | else if (strcmp (argp, "trace-insn-insertion") == 0) | |
1481 | { | |
1482 | options.trace.insn_insertion = enable_p; | |
1483 | } | |
1484 | else if (strcmp (argp, "trace-insn-expansion") == 0) | |
1485 | { | |
1486 | options.trace.insn_expansion = enable_p; | |
1487 | } | |
1488 | else if (strcmp (argp, "jumps") == 0) | |
1489 | { | |
1490 | options.gen.code = generate_jumps; | |
1491 | } | |
1492 | else if (strcmp (argp, "field-widths") == 0) | |
1493 | { | |
1494 | options.insn_specifying_widths = enable_p; | |
1495 | } | |
1496 | else if (strcmp (argp, "omit-line-numbers") == 0) | |
1497 | { | |
1498 | file_references = lf_omit_references; | |
1499 | } | |
1500 | else | |
1501 | { | |
1502 | error (NULL, "Unknown option %s\n", optarg); | |
1503 | } | |
1504 | break; | |
1505 | } | |
1506 | ||
1507 | case 'i': | |
1508 | isa = load_insn_table (optarg, cache_rules); | |
1509 | if (isa->illegal_insn == NULL) | |
1510 | error (NULL, "illegal-instruction missing from insn table\n"); | |
1511 | break; | |
1512 | ||
1513 | case 'x': | |
1514 | gen = do_gen (isa, decode_rules); | |
1515 | break; | |
1516 | ||
1517 | case 'o': | |
1518 | decode_rules = load_decode_table (optarg); | |
1519 | break; | |
1520 | ||
1521 | case 'k': | |
1522 | if (isa != NULL) | |
1523 | error (NULL, "Cache file must appear before the insn file\n"); | |
1524 | cache_rules = load_cache_table (optarg); | |
1525 | break; | |
1526 | ||
1527 | case 'n': | |
1528 | real_file_name = strdup(optarg); | |
1529 | break; | |
1530 | ||
1531 | case 'h': | |
1532 | is_header = 1; | |
1533 | break; | |
1534 | ||
1535 | case 'c': | |
1536 | case 'd': | |
1537 | case 'e': | |
1538 | case 'f': | |
1539 | case 'm': | |
1540 | case 'r': | |
1541 | case 's': | |
1542 | case 't': | |
1543 | { | |
1544 | lf *file = lf_open(optarg, real_file_name, file_references, | |
1545 | (is_header ? lf_is_h : lf_is_c), | |
1546 | argv[0]); | |
1547 | if (gen == NULL && ch != 't' && ch != 'm' && ch != 'f') | |
1548 | { | |
1549 | options.warning (NULL, "Explicitly generate tables with -x option\n"); | |
1550 | gen = do_gen (isa, decode_rules); | |
1551 | } | |
1552 | lf_print__file_start(file); | |
1553 | switch (ch) | |
1554 | { | |
1555 | case 'm': | |
1556 | if (is_header) | |
1557 | gen_model_h (file, isa); | |
1558 | else | |
1559 | gen_model_c (file, isa); | |
1560 | break; | |
1561 | case 't': | |
1562 | if (is_header) | |
1563 | gen_itable_h (file, isa); | |
1564 | else | |
1565 | gen_itable_c (file, isa); | |
1566 | break; | |
1567 | case 'f': | |
1568 | if (is_header) | |
1569 | gen_support_h (file, isa); | |
1570 | else | |
1571 | gen_support_c (file, isa); | |
1572 | break; | |
1573 | case 'r': | |
1574 | if (is_header) | |
1575 | options.warning (NULL, "-hr option ignored\n"); | |
1576 | else | |
1577 | gen_run_c (file, gen); | |
1578 | break; | |
1579 | case 's': | |
1580 | if(is_header) | |
1581 | gen_semantics_h (file, gen->semantics, isa->max_nr_words); | |
1582 | else | |
1583 | gen_semantics_c (file, gen->semantics, isa->caches); | |
1584 | break; | |
1585 | case 'd': | |
1586 | if (is_header) | |
1587 | gen_idecode_h (file, gen, isa, cache_rules); | |
1588 | else | |
1589 | gen_idecode_c (file, gen, isa, cache_rules); | |
1590 | break; | |
1591 | case 'e': | |
1592 | if (is_header) | |
1593 | gen_engine_h (file, gen, isa, cache_rules); | |
1594 | else | |
1595 | gen_engine_c (file, gen, isa, cache_rules); | |
1596 | break; | |
1597 | case 'c': | |
1598 | if (is_header) | |
1599 | gen_icache_h (file, | |
1600 | gen->semantics, | |
1601 | isa->functions, | |
1602 | isa->max_nr_words); | |
1603 | else | |
1604 | gen_icache_c (file, | |
1605 | gen->semantics, | |
1606 | isa->functions, | |
1607 | cache_rules); | |
1608 | break; | |
1609 | } | |
1610 | lf_print__file_finish(file); | |
1611 | lf_close(file); | |
1612 | is_header = 0; | |
1613 | } | |
1614 | real_file_name = NULL; | |
1615 | break; | |
1616 | default: | |
1617 | ERROR ("Bad switch"); | |
1618 | } | |
1619 | } | |
1620 | return (0); | |
1621 | } |