Commit | Line | Data |
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c906108c SS |
1 | /* This file is part of the program psim. |
2 | ||
8d64d0fd | 3 | Copyright 1994, 1995, 1996, 1997, 2003 Andrew Cagney |
c906108c SS |
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 | |
3fd725ef | 7 | the Free Software Foundation; either version 3 of the License, or |
c906108c SS |
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 | |
51b318de | 16 | along with this program; if not, see <http://www.gnu.org/licenses/>. |
c906108c SS |
17 | |
18 | */ | |
19 | ||
20 | ||
21 | ||
22 | #include <getopt.h> | |
23 | ||
24 | #include "misc.h" | |
25 | #include "lf.h" | |
26 | #include "table.h" | |
68a3e151 | 27 | #include "build-config.h" |
c906108c SS |
28 | |
29 | #include "filter.h" | |
30 | ||
c906108c | 31 | #include "ld-cache.h" |
d81bb16a | 32 | #include "ld-decode.h" |
c906108c SS |
33 | #include "ld-insn.h" |
34 | ||
35 | #include "igen.h" | |
36 | ||
37 | #include "gen-model.h" | |
38 | #include "gen-icache.h" | |
39 | #include "gen-itable.h" | |
40 | #include "gen-idecode.h" | |
41 | #include "gen-semantics.h" | |
42 | #include "gen-support.h" | |
43 | ||
44 | int hi_bit_nr; | |
45 | int insn_bit_size = max_insn_bit_size; | |
46 | ||
47 | igen_code code = generate_calls; | |
48 | ||
49 | int generate_expanded_instructions; | |
50 | int icache_size = 1024; | |
51 | int generate_smp; | |
52 | ||
53 | /****************************************************************/ | |
54 | ||
55 | static int | |
56 | print_insn_bits(lf *file, insn_bits *bits) | |
57 | { | |
58 | int nr = 0; | |
59 | if (bits == NULL) | |
60 | return nr; | |
61 | nr += print_insn_bits(file, bits->last); | |
62 | nr += lf_putchr(file, '_'); | |
63 | nr += lf_putstr(file, bits->field->val_string); | |
64 | if (bits->opcode->is_boolean && bits->value == 0) | |
65 | nr += lf_putint(file, bits->opcode->boolean_constant); | |
66 | else if (!bits->opcode->is_boolean) { | |
67 | if (bits->opcode->last < bits->field->last) | |
68 | nr += lf_putint(file, bits->value << (bits->field->last - bits->opcode->last)); | |
69 | else | |
70 | nr += lf_putint(file, bits->value); | |
71 | } | |
72 | return nr; | |
73 | } | |
74 | ||
75 | extern int | |
76 | print_function_name(lf *file, | |
77 | const char *basename, | |
78 | insn_bits *expanded_bits, | |
79 | lf_function_name_prefixes prefix) | |
80 | { | |
81 | int nr = 0; | |
82 | /* the prefix */ | |
83 | switch (prefix) { | |
84 | case function_name_prefix_semantics: | |
85 | nr += lf_putstr(file, "semantic_"); | |
86 | break; | |
87 | case function_name_prefix_idecode: | |
88 | nr += lf_printf(file, "idecode_"); | |
89 | break; | |
90 | case function_name_prefix_itable: | |
91 | nr += lf_putstr(file, "itable_"); | |
92 | break; | |
93 | case function_name_prefix_icache: | |
94 | nr += lf_putstr(file, "icache_"); | |
95 | break; | |
96 | default: | |
97 | break; | |
98 | } | |
99 | ||
100 | /* the function name */ | |
101 | { | |
102 | const char *pos; | |
103 | for (pos = basename; | |
104 | *pos != '\0'; | |
105 | pos++) { | |
106 | switch (*pos) { | |
107 | case '/': | |
108 | case '-': | |
d29d5195 MG |
109 | case '(': |
110 | case ')': | |
c906108c SS |
111 | break; |
112 | case ' ': | |
113 | nr += lf_putchr(file, '_'); | |
114 | break; | |
115 | default: | |
116 | nr += lf_putchr(file, *pos); | |
117 | break; | |
118 | } | |
119 | } | |
120 | } | |
121 | ||
122 | /* the suffix */ | |
123 | if (generate_expanded_instructions) | |
124 | nr += print_insn_bits(file, expanded_bits); | |
125 | ||
126 | return nr; | |
127 | } | |
128 | ||
129 | ||
130 | void | |
131 | print_my_defines(lf *file, | |
132 | insn_bits *expanded_bits, | |
133 | table_entry *file_entry) | |
134 | { | |
135 | /* #define MY_INDEX xxxxx */ | |
136 | lf_indent_suppress(file); | |
137 | lf_printf(file, "#undef MY_INDEX\n"); | |
138 | lf_indent_suppress(file); | |
139 | lf_printf(file, "#define MY_INDEX "); | |
140 | print_function_name(file, | |
141 | file_entry->fields[insn_name], | |
142 | NULL, | |
143 | function_name_prefix_itable); | |
144 | lf_printf(file, "\n"); | |
145 | /* #define MY_PREFIX xxxxxx */ | |
146 | lf_indent_suppress(file); | |
147 | lf_printf(file, "#undef MY_PREFIX\n"); | |
148 | lf_indent_suppress(file); | |
149 | lf_printf(file, "#define MY_PREFIX "); | |
150 | print_function_name(file, | |
151 | file_entry->fields[insn_name], | |
152 | expanded_bits, | |
153 | function_name_prefix_none); | |
154 | lf_printf(file, "\n"); | |
155 | } | |
156 | ||
157 | ||
158 | void | |
159 | print_itrace(lf *file, | |
160 | table_entry *file_entry, | |
161 | int idecode) | |
162 | { | |
163 | lf_print__external_reference(file, file_entry->line_nr, file_entry->file_name); | |
164 | lf_printf(file, "ITRACE(trace_%s, (\"%s %s\\n\"));\n", | |
165 | (idecode ? "idecode" : "semantics"), | |
166 | (idecode ? "idecode" : "semantics"), | |
167 | file_entry->fields[insn_name]); | |
168 | lf_print__internal_reference(file); | |
169 | } | |
170 | ||
171 | ||
172 | /****************************************************************/ | |
173 | ||
174 | ||
175 | static void | |
176 | gen_semantics_h(insn_table *table, | |
177 | lf *file, | |
178 | igen_code generate) | |
179 | { | |
180 | lf_printf(file, "typedef %s idecode_semantic\n(%s);\n", | |
181 | SEMANTIC_FUNCTION_TYPE, | |
182 | SEMANTIC_FUNCTION_FORMAL); | |
183 | lf_printf(file, "\n"); | |
184 | if ((code & generate_calls)) { | |
c906108c SS |
185 | lf_printf(file, "extern int option_mpc860c0;\n"); |
186 | lf_printf(file, "#define PAGE_SIZE 0x1000\n"); | |
187 | lf_printf(file, "\n"); | |
d29d5195 | 188 | lf_printf(file, "PSIM_EXTERN_SEMANTICS(void)\n"); |
c906108c SS |
189 | lf_printf(file, "semantic_init(device* root);\n"); |
190 | lf_printf(file, "\n"); | |
c906108c SS |
191 | if (generate_expanded_instructions) |
192 | insn_table_traverse_tree(table, | |
193 | file, NULL, | |
194 | 1, | |
195 | NULL, /* start */ | |
196 | print_semantic_declaration, /* leaf */ | |
197 | NULL, /* end */ | |
198 | NULL); /* padding */ | |
199 | else | |
200 | insn_table_traverse_insn(table, | |
201 | file, NULL, | |
202 | print_semantic_declaration); | |
203 | ||
204 | } | |
205 | else { | |
206 | lf_print__this_file_is_empty(file); | |
207 | } | |
208 | } | |
209 | ||
210 | ||
211 | static void | |
212 | gen_semantics_c(insn_table *table, | |
213 | cache_table *cache_rules, | |
214 | lf *file, | |
215 | igen_code generate) | |
216 | { | |
217 | if ((code & generate_calls)) { | |
218 | lf_printf(file, "\n"); | |
219 | lf_printf(file, "#include \"cpu.h\"\n"); | |
220 | lf_printf(file, "#include \"idecode.h\"\n"); | |
221 | lf_printf(file, "#include \"semantics.h\"\n"); | |
8d64d0fd | 222 | lf_printf(file, "#ifdef HAVE_COMMON_FPU\n"); |
d29d5195 MG |
223 | lf_printf(file, "#include \"sim-inline.h\"\n"); |
224 | lf_printf(file, "#include \"sim-fpu.h\"\n"); | |
8d64d0fd AC |
225 | lf_printf(file, "#endif\n"); |
226 | lf_printf(file, "#include \"support.h\"\n"); | |
c906108c | 227 | lf_printf(file, "\n"); |
c906108c SS |
228 | lf_printf(file, "int option_mpc860c0 = 0;\n"); |
229 | lf_printf(file, "\n"); | |
d29d5195 | 230 | lf_printf(file, "PSIM_EXTERN_SEMANTICS(void)\n"); |
c906108c SS |
231 | lf_printf(file, "semantic_init(device* root)\n"); |
232 | lf_printf(file, "{\n"); | |
233 | lf_printf(file, " option_mpc860c0 = 0;\n"); | |
234 | lf_printf(file, " if (tree_find_property(root, \"/options/mpc860c0\"))\n"); | |
235 | lf_printf(file, " option_mpc860c0 = tree_find_integer_property(root, \"/options/mpc860c0\");\n"); | |
7a292a7a | 236 | lf_printf(file, " option_mpc860c0 *= 4; /* convert word count to byte count */\n"); |
c906108c SS |
237 | lf_printf(file, "}\n"); |
238 | lf_printf(file, "\n"); | |
c906108c SS |
239 | if (generate_expanded_instructions) |
240 | insn_table_traverse_tree(table, | |
241 | file, cache_rules, | |
242 | 1, | |
243 | NULL, /* start */ | |
244 | print_semantic_definition, /* leaf */ | |
245 | NULL, /* end */ | |
246 | NULL); /* padding */ | |
247 | else | |
248 | insn_table_traverse_insn(table, | |
249 | file, cache_rules, | |
250 | print_semantic_definition); | |
251 | ||
252 | } | |
253 | else { | |
254 | lf_print__this_file_is_empty(file); | |
255 | } | |
256 | } | |
257 | ||
258 | ||
259 | /****************************************************************/ | |
260 | ||
261 | ||
262 | static void | |
263 | gen_icache_h(insn_table *table, | |
264 | lf *file, | |
265 | igen_code generate) | |
266 | { | |
267 | lf_printf(file, "typedef %s idecode_icache\n(%s);\n", | |
268 | ICACHE_FUNCTION_TYPE, | |
269 | ICACHE_FUNCTION_FORMAL); | |
270 | lf_printf(file, "\n"); | |
271 | if ((code & generate_calls) | |
272 | && (code & generate_with_icache)) { | |
273 | insn_table_traverse_function(table, | |
274 | file, NULL, | |
275 | print_icache_internal_function_declaration); | |
276 | if (generate_expanded_instructions) | |
277 | insn_table_traverse_tree(table, | |
278 | file, NULL, | |
279 | 1, | |
280 | NULL, /* start */ | |
281 | print_icache_declaration, /* leaf */ | |
282 | NULL, /* end */ | |
283 | NULL); /* padding */ | |
284 | else | |
285 | insn_table_traverse_insn(table, | |
286 | file, NULL, | |
287 | print_icache_declaration); | |
288 | ||
289 | } | |
290 | else { | |
291 | lf_print__this_file_is_empty(file); | |
292 | } | |
293 | } | |
294 | ||
295 | static void | |
296 | gen_icache_c(insn_table *table, | |
297 | cache_table *cache_rules, | |
298 | lf *file, | |
299 | igen_code generate) | |
300 | { | |
301 | /* output `internal' invalid/floating-point unavailable functions | |
302 | where needed */ | |
303 | if ((code & generate_calls) | |
304 | && (code & generate_with_icache)) { | |
305 | lf_printf(file, "\n"); | |
306 | lf_printf(file, "#include \"cpu.h\"\n"); | |
307 | lf_printf(file, "#include \"idecode.h\"\n"); | |
308 | lf_printf(file, "#include \"semantics.h\"\n"); | |
309 | lf_printf(file, "#include \"icache.h\"\n"); | |
8d64d0fd | 310 | lf_printf(file, "#ifdef HAVE_COMMON_FPU\n"); |
d29d5195 MG |
311 | lf_printf(file, "#include \"sim-inline.h\"\n"); |
312 | lf_printf(file, "#include \"sim-fpu.h\"\n"); | |
8d64d0fd AC |
313 | lf_printf(file, "#endif\n"); |
314 | lf_printf(file, "#include \"support.h\"\n"); | |
c906108c SS |
315 | lf_printf(file, "\n"); |
316 | insn_table_traverse_function(table, | |
317 | file, NULL, | |
318 | print_icache_internal_function_definition); | |
319 | lf_printf(file, "\n"); | |
320 | if (generate_expanded_instructions) | |
321 | insn_table_traverse_tree(table, | |
322 | file, cache_rules, | |
323 | 1, | |
324 | NULL, /* start */ | |
325 | print_icache_definition, /* leaf */ | |
326 | NULL, /* end */ | |
327 | NULL); /* padding */ | |
328 | else | |
329 | insn_table_traverse_insn(table, | |
330 | file, cache_rules, | |
331 | print_icache_definition); | |
332 | ||
333 | } | |
334 | else { | |
335 | lf_print__this_file_is_empty(file); | |
336 | } | |
337 | } | |
338 | ||
339 | ||
340 | /****************************************************************/ | |
341 | ||
342 | ||
343 | int | |
344 | main(int argc, | |
345 | char **argv, | |
346 | char **envp) | |
347 | { | |
348 | cache_table *cache_rules = NULL; | |
349 | lf_file_references file_references = lf_include_references; | |
350 | decode_table *decode_rules = NULL; | |
351 | filter *filters = NULL; | |
352 | insn_table *instructions = NULL; | |
43c4bab0 | 353 | table_include *includes = NULL; |
c906108c SS |
354 | char *real_file_name = NULL; |
355 | int is_header = 0; | |
356 | int ch; | |
357 | ||
358 | if (argc == 1) { | |
359 | printf("Usage:\n"); | |
360 | printf(" igen <config-opts> ... <input-opts>... <output-opts>...\n"); | |
361 | printf("Config options:\n"); | |
362 | printf(" -F <filter-out-flag> eg -F 64 to skip 64bit instructions\n"); | |
363 | printf(" -E Expand (duplicate) semantic functions\n"); | |
364 | printf(" -I <icache-size> Generate cracking cache version\n"); | |
365 | printf(" -C Include semantics in cache functions\n"); | |
366 | printf(" -S Include insn (instruction) in icache\n"); | |
367 | printf(" -R Use defines to reference cache vars\n"); | |
368 | printf(" -L Supress line numbering in output files\n"); | |
369 | printf(" -B <bit-size> Set the number of bits in an instruction\n"); | |
370 | printf(" -H <high-bit> Set the nr of the high (msb bit)\n"); | |
371 | printf(" -N <nr-cpus> Specify the max number of cpus the simulation will support\n"); | |
372 | printf(" -J Use jumps instead of function calls\n"); | |
373 | printf(" -T <mechanism> Override the mechanism used to decode an instruction\n"); | |
374 | printf(" using <mechanism> instead of what was specified in the\n"); | |
375 | printf(" decode-rules input file\n"); | |
376 | printf("\n"); | |
377 | printf("Input options (ucase version also dumps loaded table):\n"); | |
378 | printf(" -o <decode-rules>\n"); | |
379 | printf(" -k <cache-rules>\n"); | |
380 | printf(" -i <instruction-table>\n"); | |
381 | printf("\n"); | |
382 | printf("Output options:\n"); | |
383 | printf(" -n <real-name> Specify the real name of for the next output file\n"); | |
384 | printf(" -h Generate header file\n"); | |
385 | printf(" -c <output-file> output icache\n"); | |
386 | printf(" -d <output-file> output idecode\n"); | |
387 | printf(" -m <output-file> output model\n"); | |
388 | printf(" -s <output-file> output schematic\n"); | |
389 | printf(" -t <output-file> output itable\n"); | |
390 | printf(" -f <output-file> output support functions\n"); | |
391 | } | |
392 | ||
393 | while ((ch = getopt(argc, argv, | |
394 | "F:EI:RSLJT:CB:H:N:o:k:i:n:hc:d:m:s:t:f:")) | |
395 | != -1) { | |
396 | fprintf(stderr, "\t-%c %s\n", ch, (optarg ? optarg : "")); | |
397 | switch(ch) { | |
398 | case 'C': | |
399 | code |= generate_with_icache; | |
400 | code |= generate_with_semantic_icache; | |
401 | break; | |
402 | case 'S': | |
403 | code |= generate_with_icache; | |
404 | code |= generate_with_insn_in_icache; | |
405 | break; | |
406 | case 'L': | |
407 | file_references = lf_omit_references; | |
408 | break; | |
409 | case 'E': | |
410 | generate_expanded_instructions = 1; | |
411 | break; | |
43c4bab0 MG |
412 | case 'G': |
413 | { | |
414 | int enable_p; | |
415 | char *argp; | |
416 | if (strncmp (optarg, "no-", strlen ("no-")) == 0) | |
417 | { | |
418 | argp = optarg + strlen ("no-"); | |
419 | enable_p = 0; | |
420 | } | |
421 | else if (strncmp (optarg, "!", strlen ("!")) == 0) | |
422 | { | |
423 | argp = optarg + strlen ("no-"); | |
424 | enable_p = 0; | |
425 | } | |
426 | else | |
427 | { | |
428 | argp = optarg; | |
429 | enable_p = 1; | |
430 | } | |
431 | if (strncmp (argp, "gen-icache", strlen ("gen-icache")) == 0) | |
432 | { | |
433 | switch (argp[strlen ("gen-icache")]) | |
434 | { | |
435 | case '=': | |
436 | icache_size = atoi (argp + strlen ("gen-icache") + 1); | |
437 | code |= generate_with_icache; | |
438 | break; | |
439 | case '\0': | |
440 | code |= generate_with_icache; | |
441 | break; | |
442 | default: | |
443 | error (NULL, "Expecting -Ggen-icache or -Ggen-icache=<N>\n"); | |
444 | } | |
445 | } | |
446 | } | |
c906108c | 447 | case 'I': |
43c4bab0 MG |
448 | { |
449 | table_include **dir = &includes; | |
450 | while ((*dir) != NULL) | |
451 | dir = &(*dir)->next; | |
452 | (*dir) = ZALLOC (table_include); | |
453 | (*dir)->dir = strdup (optarg); | |
454 | } | |
c906108c SS |
455 | break; |
456 | case 'N': | |
457 | generate_smp = a2i(optarg); | |
458 | break; | |
459 | case 'R': | |
460 | code |= generate_with_direct_access; | |
461 | break; | |
462 | case 'B': | |
463 | insn_bit_size = a2i(optarg); | |
464 | ASSERT(insn_bit_size > 0 && insn_bit_size <= max_insn_bit_size | |
465 | && (hi_bit_nr == insn_bit_size-1 || hi_bit_nr == 0)); | |
466 | break; | |
467 | case 'H': | |
468 | hi_bit_nr = a2i(optarg); | |
469 | ASSERT(hi_bit_nr == insn_bit_size-1 || hi_bit_nr == 0); | |
470 | break; | |
471 | case 'F': | |
472 | filters = new_filter(optarg, filters); | |
473 | break; | |
474 | case 'J': | |
475 | code &= ~generate_calls; | |
476 | code |= generate_jumps; | |
477 | break; | |
478 | case 'T': | |
479 | force_decode_gen_type(optarg); | |
480 | break; | |
481 | case 'i': | |
d81bb16a AC |
482 | if (decode_rules == NULL) { |
483 | fprintf(stderr, "Must specify decode tables\n"); | |
c906108c SS |
484 | exit (1); |
485 | } | |
d81bb16a AC |
486 | instructions = load_insn_table(optarg, decode_rules, filters, includes, |
487 | &cache_rules); | |
c906108c SS |
488 | fprintf(stderr, "\texpanding ...\n"); |
489 | insn_table_expand_insns(instructions); | |
490 | break; | |
491 | case 'o': | |
492 | decode_rules = load_decode_table(optarg, hi_bit_nr); | |
493 | break; | |
494 | case 'k': | |
495 | cache_rules = load_cache_table(optarg, hi_bit_nr); | |
496 | break; | |
497 | case 'n': | |
498 | real_file_name = strdup(optarg); | |
499 | break; | |
500 | case 'h': | |
501 | is_header = 1; | |
502 | break; | |
503 | case 's': | |
504 | case 'd': | |
505 | case 'm': | |
506 | case 't': | |
507 | case 'f': | |
508 | case 'c': | |
509 | { | |
510 | lf *file = lf_open(optarg, real_file_name, file_references, | |
511 | (is_header ? lf_is_h : lf_is_c), | |
512 | argv[0]); | |
513 | lf_print__file_start(file); | |
514 | ASSERT(instructions != NULL); | |
515 | switch (ch) { | |
516 | case 's': | |
517 | if(is_header) | |
518 | gen_semantics_h(instructions, file, code); | |
519 | else | |
520 | gen_semantics_c(instructions, cache_rules, file, code); | |
521 | break; | |
522 | case 'd': | |
523 | if (is_header) | |
524 | gen_idecode_h(file, instructions, cache_rules); | |
525 | else | |
526 | gen_idecode_c(file, instructions, cache_rules); | |
527 | break; | |
528 | case 'm': | |
529 | if (is_header) | |
530 | gen_model_h(instructions, file); | |
531 | else | |
532 | gen_model_c(instructions, file); | |
533 | break; | |
534 | case 't': | |
535 | if (is_header) | |
536 | gen_itable_h(instructions, file); | |
537 | else | |
538 | gen_itable_c(instructions, file); | |
539 | break; | |
540 | case 'f': | |
541 | if (is_header) | |
542 | gen_support_h(instructions, file); | |
543 | else | |
544 | gen_support_c(instructions, file); | |
545 | break; | |
546 | case 'c': | |
547 | if (is_header) | |
548 | gen_icache_h(instructions, file, code); | |
549 | else | |
550 | gen_icache_c(instructions, cache_rules, file, code); | |
551 | break; | |
552 | } | |
553 | lf_print__file_finish(file); | |
554 | lf_close(file); | |
555 | is_header = 0; | |
556 | } | |
557 | real_file_name = NULL; | |
558 | break; | |
559 | default: | |
560 | error("unknown option\n"); | |
561 | } | |
562 | } | |
563 | return 0; | |
564 | } |