Commit | Line | Data |
---|---|---|
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 | |
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 | ||
30 | #include "filter.h" | |
31 | ||
c906108c | 32 | #include "ld-cache.h" |
d81bb16a | 33 | #include "ld-decode.h" |
c906108c SS |
34 | #include "ld-insn.h" |
35 | ||
36 | #include "igen.h" | |
37 | ||
38 | #include "gen-model.h" | |
39 | #include "gen-icache.h" | |
40 | #include "gen-itable.h" | |
41 | #include "gen-idecode.h" | |
42 | #include "gen-semantics.h" | |
43 | #include "gen-support.h" | |
44 | ||
45 | int hi_bit_nr; | |
46 | int insn_bit_size = max_insn_bit_size; | |
47 | ||
48 | igen_code code = generate_calls; | |
49 | ||
50 | int generate_expanded_instructions; | |
51 | int icache_size = 1024; | |
52 | int generate_smp; | |
53 | ||
54 | /****************************************************************/ | |
55 | ||
56 | static int | |
57 | print_insn_bits(lf *file, insn_bits *bits) | |
58 | { | |
59 | int nr = 0; | |
60 | if (bits == NULL) | |
61 | return nr; | |
62 | nr += print_insn_bits(file, bits->last); | |
63 | nr += lf_putchr(file, '_'); | |
64 | nr += lf_putstr(file, bits->field->val_string); | |
65 | if (bits->opcode->is_boolean && bits->value == 0) | |
66 | nr += lf_putint(file, bits->opcode->boolean_constant); | |
67 | else if (!bits->opcode->is_boolean) { | |
68 | if (bits->opcode->last < bits->field->last) | |
69 | nr += lf_putint(file, bits->value << (bits->field->last - bits->opcode->last)); | |
70 | else | |
71 | nr += lf_putint(file, bits->value); | |
72 | } | |
73 | return nr; | |
74 | } | |
75 | ||
76 | extern int | |
77 | print_function_name(lf *file, | |
78 | const char *basename, | |
79 | insn_bits *expanded_bits, | |
80 | lf_function_name_prefixes prefix) | |
81 | { | |
82 | int nr = 0; | |
83 | /* the prefix */ | |
84 | switch (prefix) { | |
85 | case function_name_prefix_semantics: | |
86 | nr += lf_putstr(file, "semantic_"); | |
87 | break; | |
88 | case function_name_prefix_idecode: | |
89 | nr += lf_printf(file, "idecode_"); | |
90 | break; | |
91 | case function_name_prefix_itable: | |
92 | nr += lf_putstr(file, "itable_"); | |
93 | break; | |
94 | case function_name_prefix_icache: | |
95 | nr += lf_putstr(file, "icache_"); | |
96 | break; | |
97 | default: | |
98 | break; | |
99 | } | |
100 | ||
101 | /* the function name */ | |
102 | { | |
103 | const char *pos; | |
104 | for (pos = basename; | |
105 | *pos != '\0'; | |
106 | pos++) { | |
107 | switch (*pos) { | |
108 | case '/': | |
109 | case '-': | |
d29d5195 MG |
110 | case '(': |
111 | case ')': | |
c906108c SS |
112 | break; |
113 | case ' ': | |
114 | nr += lf_putchr(file, '_'); | |
115 | break; | |
116 | default: | |
117 | nr += lf_putchr(file, *pos); | |
118 | break; | |
119 | } | |
120 | } | |
121 | } | |
122 | ||
123 | /* the suffix */ | |
124 | if (generate_expanded_instructions) | |
125 | nr += print_insn_bits(file, expanded_bits); | |
126 | ||
127 | return nr; | |
128 | } | |
129 | ||
130 | ||
131 | void | |
132 | print_my_defines(lf *file, | |
133 | insn_bits *expanded_bits, | |
134 | table_entry *file_entry) | |
135 | { | |
136 | /* #define MY_INDEX xxxxx */ | |
137 | lf_indent_suppress(file); | |
138 | lf_printf(file, "#undef MY_INDEX\n"); | |
139 | lf_indent_suppress(file); | |
140 | lf_printf(file, "#define MY_INDEX "); | |
141 | print_function_name(file, | |
142 | file_entry->fields[insn_name], | |
143 | NULL, | |
144 | function_name_prefix_itable); | |
145 | lf_printf(file, "\n"); | |
146 | /* #define MY_PREFIX xxxxxx */ | |
147 | lf_indent_suppress(file); | |
148 | lf_printf(file, "#undef MY_PREFIX\n"); | |
149 | lf_indent_suppress(file); | |
150 | lf_printf(file, "#define MY_PREFIX "); | |
151 | print_function_name(file, | |
152 | file_entry->fields[insn_name], | |
153 | expanded_bits, | |
154 | function_name_prefix_none); | |
155 | lf_printf(file, "\n"); | |
156 | } | |
157 | ||
158 | ||
159 | void | |
160 | print_itrace(lf *file, | |
161 | table_entry *file_entry, | |
162 | int idecode) | |
163 | { | |
164 | lf_print__external_reference(file, file_entry->line_nr, file_entry->file_name); | |
165 | lf_printf(file, "ITRACE(trace_%s, (\"%s %s\\n\"));\n", | |
166 | (idecode ? "idecode" : "semantics"), | |
167 | (idecode ? "idecode" : "semantics"), | |
168 | file_entry->fields[insn_name]); | |
169 | lf_print__internal_reference(file); | |
170 | } | |
171 | ||
172 | ||
173 | /****************************************************************/ | |
174 | ||
175 | ||
176 | static void | |
177 | gen_semantics_h(insn_table *table, | |
178 | lf *file, | |
179 | igen_code generate) | |
180 | { | |
181 | lf_printf(file, "typedef %s idecode_semantic\n(%s);\n", | |
182 | SEMANTIC_FUNCTION_TYPE, | |
183 | SEMANTIC_FUNCTION_FORMAL); | |
184 | lf_printf(file, "\n"); | |
185 | if ((code & generate_calls)) { | |
c906108c SS |
186 | lf_printf(file, "extern int option_mpc860c0;\n"); |
187 | lf_printf(file, "#define PAGE_SIZE 0x1000\n"); | |
188 | lf_printf(file, "\n"); | |
d29d5195 | 189 | lf_printf(file, "PSIM_EXTERN_SEMANTICS(void)\n"); |
c906108c SS |
190 | lf_printf(file, "semantic_init(device* root);\n"); |
191 | lf_printf(file, "\n"); | |
c906108c SS |
192 | if (generate_expanded_instructions) |
193 | insn_table_traverse_tree(table, | |
194 | file, NULL, | |
195 | 1, | |
196 | NULL, /* start */ | |
197 | print_semantic_declaration, /* leaf */ | |
198 | NULL, /* end */ | |
199 | NULL); /* padding */ | |
200 | else | |
201 | insn_table_traverse_insn(table, | |
202 | file, NULL, | |
203 | print_semantic_declaration); | |
204 | ||
205 | } | |
206 | else { | |
207 | lf_print__this_file_is_empty(file); | |
208 | } | |
209 | } | |
210 | ||
211 | ||
212 | static void | |
213 | gen_semantics_c(insn_table *table, | |
214 | cache_table *cache_rules, | |
215 | lf *file, | |
216 | igen_code generate) | |
217 | { | |
218 | if ((code & generate_calls)) { | |
219 | lf_printf(file, "\n"); | |
220 | lf_printf(file, "#include \"cpu.h\"\n"); | |
221 | lf_printf(file, "#include \"idecode.h\"\n"); | |
222 | lf_printf(file, "#include \"semantics.h\"\n"); | |
8d64d0fd | 223 | lf_printf(file, "#ifdef HAVE_COMMON_FPU\n"); |
d29d5195 MG |
224 | lf_printf(file, "#include \"sim-inline.h\"\n"); |
225 | lf_printf(file, "#include \"sim-fpu.h\"\n"); | |
8d64d0fd AC |
226 | lf_printf(file, "#endif\n"); |
227 | lf_printf(file, "#include \"support.h\"\n"); | |
c906108c | 228 | lf_printf(file, "\n"); |
c906108c SS |
229 | lf_printf(file, "int option_mpc860c0 = 0;\n"); |
230 | lf_printf(file, "\n"); | |
d29d5195 | 231 | lf_printf(file, "PSIM_EXTERN_SEMANTICS(void)\n"); |
c906108c SS |
232 | lf_printf(file, "semantic_init(device* root)\n"); |
233 | lf_printf(file, "{\n"); | |
234 | lf_printf(file, " option_mpc860c0 = 0;\n"); | |
235 | lf_printf(file, " if (tree_find_property(root, \"/options/mpc860c0\"))\n"); | |
236 | lf_printf(file, " option_mpc860c0 = tree_find_integer_property(root, \"/options/mpc860c0\");\n"); | |
7a292a7a | 237 | lf_printf(file, " option_mpc860c0 *= 4; /* convert word count to byte count */\n"); |
c906108c SS |
238 | lf_printf(file, "}\n"); |
239 | lf_printf(file, "\n"); | |
c906108c SS |
240 | if (generate_expanded_instructions) |
241 | insn_table_traverse_tree(table, | |
242 | file, cache_rules, | |
243 | 1, | |
244 | NULL, /* start */ | |
245 | print_semantic_definition, /* leaf */ | |
246 | NULL, /* end */ | |
247 | NULL); /* padding */ | |
248 | else | |
249 | insn_table_traverse_insn(table, | |
250 | file, cache_rules, | |
251 | print_semantic_definition); | |
252 | ||
253 | } | |
254 | else { | |
255 | lf_print__this_file_is_empty(file); | |
256 | } | |
257 | } | |
258 | ||
259 | ||
260 | /****************************************************************/ | |
261 | ||
262 | ||
263 | static void | |
264 | gen_icache_h(insn_table *table, | |
265 | lf *file, | |
266 | igen_code generate) | |
267 | { | |
268 | lf_printf(file, "typedef %s idecode_icache\n(%s);\n", | |
269 | ICACHE_FUNCTION_TYPE, | |
270 | ICACHE_FUNCTION_FORMAL); | |
271 | lf_printf(file, "\n"); | |
272 | if ((code & generate_calls) | |
273 | && (code & generate_with_icache)) { | |
274 | insn_table_traverse_function(table, | |
275 | file, NULL, | |
276 | print_icache_internal_function_declaration); | |
277 | if (generate_expanded_instructions) | |
278 | insn_table_traverse_tree(table, | |
279 | file, NULL, | |
280 | 1, | |
281 | NULL, /* start */ | |
282 | print_icache_declaration, /* leaf */ | |
283 | NULL, /* end */ | |
284 | NULL); /* padding */ | |
285 | else | |
286 | insn_table_traverse_insn(table, | |
287 | file, NULL, | |
288 | print_icache_declaration); | |
289 | ||
290 | } | |
291 | else { | |
292 | lf_print__this_file_is_empty(file); | |
293 | } | |
294 | } | |
295 | ||
296 | static void | |
297 | gen_icache_c(insn_table *table, | |
298 | cache_table *cache_rules, | |
299 | lf *file, | |
300 | igen_code generate) | |
301 | { | |
302 | /* output `internal' invalid/floating-point unavailable functions | |
303 | where needed */ | |
304 | if ((code & generate_calls) | |
305 | && (code & generate_with_icache)) { | |
306 | lf_printf(file, "\n"); | |
307 | lf_printf(file, "#include \"cpu.h\"\n"); | |
308 | lf_printf(file, "#include \"idecode.h\"\n"); | |
309 | lf_printf(file, "#include \"semantics.h\"\n"); | |
310 | lf_printf(file, "#include \"icache.h\"\n"); | |
8d64d0fd | 311 | lf_printf(file, "#ifdef HAVE_COMMON_FPU\n"); |
d29d5195 MG |
312 | lf_printf(file, "#include \"sim-inline.h\"\n"); |
313 | lf_printf(file, "#include \"sim-fpu.h\"\n"); | |
8d64d0fd AC |
314 | lf_printf(file, "#endif\n"); |
315 | lf_printf(file, "#include \"support.h\"\n"); | |
c906108c SS |
316 | lf_printf(file, "\n"); |
317 | insn_table_traverse_function(table, | |
318 | file, NULL, | |
319 | print_icache_internal_function_definition); | |
320 | lf_printf(file, "\n"); | |
321 | if (generate_expanded_instructions) | |
322 | insn_table_traverse_tree(table, | |
323 | file, cache_rules, | |
324 | 1, | |
325 | NULL, /* start */ | |
326 | print_icache_definition, /* leaf */ | |
327 | NULL, /* end */ | |
328 | NULL); /* padding */ | |
329 | else | |
330 | insn_table_traverse_insn(table, | |
331 | file, cache_rules, | |
332 | print_icache_definition); | |
333 | ||
334 | } | |
335 | else { | |
336 | lf_print__this_file_is_empty(file); | |
337 | } | |
338 | } | |
339 | ||
340 | ||
341 | /****************************************************************/ | |
342 | ||
343 | ||
344 | int | |
345 | main(int argc, | |
346 | char **argv, | |
347 | char **envp) | |
348 | { | |
349 | cache_table *cache_rules = NULL; | |
350 | lf_file_references file_references = lf_include_references; | |
351 | decode_table *decode_rules = NULL; | |
352 | filter *filters = NULL; | |
353 | insn_table *instructions = NULL; | |
43c4bab0 | 354 | table_include *includes = NULL; |
c906108c SS |
355 | char *real_file_name = NULL; |
356 | int is_header = 0; | |
357 | int ch; | |
358 | ||
359 | if (argc == 1) { | |
360 | printf("Usage:\n"); | |
361 | printf(" igen <config-opts> ... <input-opts>... <output-opts>...\n"); | |
362 | printf("Config options:\n"); | |
363 | printf(" -F <filter-out-flag> eg -F 64 to skip 64bit instructions\n"); | |
364 | printf(" -E Expand (duplicate) semantic functions\n"); | |
365 | printf(" -I <icache-size> Generate cracking cache version\n"); | |
366 | printf(" -C Include semantics in cache functions\n"); | |
367 | printf(" -S Include insn (instruction) in icache\n"); | |
368 | printf(" -R Use defines to reference cache vars\n"); | |
369 | printf(" -L Supress line numbering in output files\n"); | |
370 | printf(" -B <bit-size> Set the number of bits in an instruction\n"); | |
371 | printf(" -H <high-bit> Set the nr of the high (msb bit)\n"); | |
372 | printf(" -N <nr-cpus> Specify the max number of cpus the simulation will support\n"); | |
373 | printf(" -J Use jumps instead of function calls\n"); | |
374 | printf(" -T <mechanism> Override the mechanism used to decode an instruction\n"); | |
375 | printf(" using <mechanism> instead of what was specified in the\n"); | |
376 | printf(" decode-rules input file\n"); | |
377 | printf("\n"); | |
378 | printf("Input options (ucase version also dumps loaded table):\n"); | |
379 | printf(" -o <decode-rules>\n"); | |
380 | printf(" -k <cache-rules>\n"); | |
381 | printf(" -i <instruction-table>\n"); | |
382 | printf("\n"); | |
383 | printf("Output options:\n"); | |
384 | printf(" -n <real-name> Specify the real name of for the next output file\n"); | |
385 | printf(" -h Generate header file\n"); | |
386 | printf(" -c <output-file> output icache\n"); | |
387 | printf(" -d <output-file> output idecode\n"); | |
388 | printf(" -m <output-file> output model\n"); | |
389 | printf(" -s <output-file> output schematic\n"); | |
390 | printf(" -t <output-file> output itable\n"); | |
391 | printf(" -f <output-file> output support functions\n"); | |
392 | } | |
393 | ||
394 | while ((ch = getopt(argc, argv, | |
395 | "F:EI:RSLJT:CB:H:N:o:k:i:n:hc:d:m:s:t:f:")) | |
396 | != -1) { | |
397 | fprintf(stderr, "\t-%c %s\n", ch, (optarg ? optarg : "")); | |
398 | switch(ch) { | |
399 | case 'C': | |
400 | code |= generate_with_icache; | |
401 | code |= generate_with_semantic_icache; | |
402 | break; | |
403 | case 'S': | |
404 | code |= generate_with_icache; | |
405 | code |= generate_with_insn_in_icache; | |
406 | break; | |
407 | case 'L': | |
408 | file_references = lf_omit_references; | |
409 | break; | |
410 | case 'E': | |
411 | generate_expanded_instructions = 1; | |
412 | break; | |
43c4bab0 MG |
413 | case 'G': |
414 | { | |
415 | int enable_p; | |
416 | char *argp; | |
417 | if (strncmp (optarg, "no-", strlen ("no-")) == 0) | |
418 | { | |
419 | argp = optarg + strlen ("no-"); | |
420 | enable_p = 0; | |
421 | } | |
422 | else if (strncmp (optarg, "!", strlen ("!")) == 0) | |
423 | { | |
424 | argp = optarg + strlen ("no-"); | |
425 | enable_p = 0; | |
426 | } | |
427 | else | |
428 | { | |
429 | argp = optarg; | |
430 | enable_p = 1; | |
431 | } | |
432 | if (strncmp (argp, "gen-icache", strlen ("gen-icache")) == 0) | |
433 | { | |
434 | switch (argp[strlen ("gen-icache")]) | |
435 | { | |
436 | case '=': | |
437 | icache_size = atoi (argp + strlen ("gen-icache") + 1); | |
438 | code |= generate_with_icache; | |
439 | break; | |
440 | case '\0': | |
441 | code |= generate_with_icache; | |
442 | break; | |
443 | default: | |
444 | error (NULL, "Expecting -Ggen-icache or -Ggen-icache=<N>\n"); | |
445 | } | |
446 | } | |
447 | } | |
c906108c | 448 | case 'I': |
43c4bab0 MG |
449 | { |
450 | table_include **dir = &includes; | |
451 | while ((*dir) != NULL) | |
452 | dir = &(*dir)->next; | |
453 | (*dir) = ZALLOC (table_include); | |
454 | (*dir)->dir = strdup (optarg); | |
455 | } | |
c906108c SS |
456 | break; |
457 | case 'N': | |
458 | generate_smp = a2i(optarg); | |
459 | break; | |
460 | case 'R': | |
461 | code |= generate_with_direct_access; | |
462 | break; | |
463 | case 'B': | |
464 | insn_bit_size = a2i(optarg); | |
465 | ASSERT(insn_bit_size > 0 && insn_bit_size <= max_insn_bit_size | |
466 | && (hi_bit_nr == insn_bit_size-1 || hi_bit_nr == 0)); | |
467 | break; | |
468 | case 'H': | |
469 | hi_bit_nr = a2i(optarg); | |
470 | ASSERT(hi_bit_nr == insn_bit_size-1 || hi_bit_nr == 0); | |
471 | break; | |
472 | case 'F': | |
473 | filters = new_filter(optarg, filters); | |
474 | break; | |
475 | case 'J': | |
476 | code &= ~generate_calls; | |
477 | code |= generate_jumps; | |
478 | break; | |
479 | case 'T': | |
480 | force_decode_gen_type(optarg); | |
481 | break; | |
482 | case 'i': | |
d81bb16a AC |
483 | if (decode_rules == NULL) { |
484 | fprintf(stderr, "Must specify decode tables\n"); | |
c906108c SS |
485 | exit (1); |
486 | } | |
d81bb16a AC |
487 | instructions = load_insn_table(optarg, decode_rules, filters, includes, |
488 | &cache_rules); | |
c906108c SS |
489 | fprintf(stderr, "\texpanding ...\n"); |
490 | insn_table_expand_insns(instructions); | |
491 | break; | |
492 | case 'o': | |
493 | decode_rules = load_decode_table(optarg, hi_bit_nr); | |
494 | break; | |
495 | case 'k': | |
496 | cache_rules = load_cache_table(optarg, hi_bit_nr); | |
497 | break; | |
498 | case 'n': | |
499 | real_file_name = strdup(optarg); | |
500 | break; | |
501 | case 'h': | |
502 | is_header = 1; | |
503 | break; | |
504 | case 's': | |
505 | case 'd': | |
506 | case 'm': | |
507 | case 't': | |
508 | case 'f': | |
509 | case 'c': | |
510 | { | |
511 | lf *file = lf_open(optarg, real_file_name, file_references, | |
512 | (is_header ? lf_is_h : lf_is_c), | |
513 | argv[0]); | |
514 | lf_print__file_start(file); | |
515 | ASSERT(instructions != NULL); | |
516 | switch (ch) { | |
517 | case 's': | |
518 | if(is_header) | |
519 | gen_semantics_h(instructions, file, code); | |
520 | else | |
521 | gen_semantics_c(instructions, cache_rules, file, code); | |
522 | break; | |
523 | case 'd': | |
524 | if (is_header) | |
525 | gen_idecode_h(file, instructions, cache_rules); | |
526 | else | |
527 | gen_idecode_c(file, instructions, cache_rules); | |
528 | break; | |
529 | case 'm': | |
530 | if (is_header) | |
531 | gen_model_h(instructions, file); | |
532 | else | |
533 | gen_model_c(instructions, file); | |
534 | break; | |
535 | case 't': | |
536 | if (is_header) | |
537 | gen_itable_h(instructions, file); | |
538 | else | |
539 | gen_itable_c(instructions, file); | |
540 | break; | |
541 | case 'f': | |
542 | if (is_header) | |
543 | gen_support_h(instructions, file); | |
544 | else | |
545 | gen_support_c(instructions, file); | |
546 | break; | |
547 | case 'c': | |
548 | if (is_header) | |
549 | gen_icache_h(instructions, file, code); | |
550 | else | |
551 | gen_icache_c(instructions, cache_rules, file, code); | |
552 | break; | |
553 | } | |
554 | lf_print__file_finish(file); | |
555 | lf_close(file); | |
556 | is_header = 0; | |
557 | } | |
558 | real_file_name = NULL; | |
559 | break; | |
560 | default: | |
561 | error("unknown option\n"); | |
562 | } | |
563 | } | |
564 | return 0; | |
565 | } |