| 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, "%#lx<", 5) == 0) |
| 449 | /* simple hex with 0x prefix*/ |
| 450 | { |
| 451 | if (pass == 1) |
| 452 | lf_printf (file, "%%#lx"); |
| 453 | else |
| 454 | { |
| 455 | lf_printf (file, "(unsigned long) "); |
| 456 | lf_write (file, param, strlen_param); |
| 457 | } |
| 458 | } |
| 459 | else if (strncmp (fmt, "%08lx<", 6) == 0) |
| 460 | /* simple hex */ |
| 461 | { |
| 462 | if (pass == 1) |
| 463 | lf_printf (file, "%%08lx"); |
| 464 | else |
| 465 | { |
| 466 | lf_printf (file, "(unsigned long) "); |
| 467 | lf_write (file, param, strlen_param); |
| 468 | } |
| 469 | } |
| 470 | else |
| 471 | error (assembler->line, "Unknown assembler string format\n"); |
| 472 | } |
| 473 | else |
| 474 | { |
| 475 | if (pass == 1) |
| 476 | lf_putchr (file, chp[0]); |
| 477 | chp += 1; |
| 478 | } |
| 479 | } |
| 480 | } |
| 481 | lf_printf (file, ");\n"); |
| 482 | } |
| 483 | |
| 484 | |
| 485 | void |
| 486 | print_itrace (lf *file, |
| 487 | insn_entry *insn, |
| 488 | int idecode) |
| 489 | { |
| 490 | /* NB: Here we escape each EOLN. This is so that the the compiler |
| 491 | treats a trace function call as a single line. Consequently any |
| 492 | errors in the line are refered back to the same igen assembler |
| 493 | source line */ |
| 494 | const char *phase = (idecode) ? "DECODE" : "INSN"; |
| 495 | lf_printf (file, "\n"); |
| 496 | lf_indent_suppress (file); |
| 497 | lf_printf (file, "#if defined (WITH_TRACE)\n"); |
| 498 | lf_printf (file, "/* generate a trace prefix if any tracing enabled */\n"); |
| 499 | lf_printf (file, "if (TRACE_ANY_P (CPU))\n"); |
| 500 | lf_printf (file, " {\n"); |
| 501 | lf_indent (file, +4); |
| 502 | { |
| 503 | if (insn->mnemonics != NULL) |
| 504 | { |
| 505 | insn_mnemonic_entry *assembler = insn->mnemonics; |
| 506 | int is_first = 1; |
| 507 | do |
| 508 | { |
| 509 | if (assembler->condition != NULL) |
| 510 | { |
| 511 | int indent; |
| 512 | lf_printf (file, "%sif (%s)\n", |
| 513 | is_first ? "" : "else ", |
| 514 | assembler->condition); |
| 515 | lf_indent (file, +2); |
| 516 | lf_print__line_ref (file, assembler->line); |
| 517 | indent = print_itrace_prefix (file); |
| 518 | print_itrace_format (file, assembler); |
| 519 | lf_print__internal_ref (file); |
| 520 | lf_indent (file, -indent); |
| 521 | lf_indent (file, -2); |
| 522 | if (assembler->next == NULL) |
| 523 | error (assembler->line, "Missing final unconditional assembler\n"); |
| 524 | } |
| 525 | else |
| 526 | { |
| 527 | int indent; |
| 528 | if (!is_first) |
| 529 | { |
| 530 | lf_printf (file, "else\n"); |
| 531 | lf_indent (file, +2); |
| 532 | } |
| 533 | lf_print__line_ref (file, assembler->line); |
| 534 | indent = print_itrace_prefix (file); |
| 535 | print_itrace_format (file, assembler); |
| 536 | lf_print__internal_ref (file); |
| 537 | lf_indent (file, -indent); |
| 538 | if (!is_first) |
| 539 | lf_indent (file, -2); |
| 540 | if (assembler->next != NULL) |
| 541 | error (assembler->line, "Unconditional assembler is not last\n"); |
| 542 | } |
| 543 | is_first = 0; |
| 544 | assembler = assembler->next; |
| 545 | } |
| 546 | while (assembler != NULL); |
| 547 | } |
| 548 | else |
| 549 | { |
| 550 | int indent; |
| 551 | lf_indent (file, +2); |
| 552 | lf_print__line_ref (file, insn->line); |
| 553 | indent = print_itrace_prefix (file); |
| 554 | lf_printf (file, "%%s\", \\\n"); |
| 555 | lf_printf (file, "itable[MY_INDEX].name);\n"); |
| 556 | lf_print__internal_ref (file); |
| 557 | lf_indent (file, -indent); |
| 558 | lf_indent (file, -2); |
| 559 | } |
| 560 | lf_printf (file, "/* trace the instruction execution if enabled */\n"); |
| 561 | lf_printf (file, "if (TRACE_%s_P (CPU))\n", phase); |
| 562 | lf_printf (file, " trace_generic (SD, CPU, TRACE_%s_IDX, \" %%s\", itable[MY_INDEX].name);\n", phase); |
| 563 | } |
| 564 | lf_indent (file, -4); |
| 565 | lf_printf (file, " }\n"); |
| 566 | lf_indent_suppress (file); |
| 567 | lf_printf (file, "#endif\n"); |
| 568 | } |
| 569 | |
| 570 | |
| 571 | void |
| 572 | print_sim_engine_abort (lf *file, |
| 573 | const char *message) |
| 574 | { |
| 575 | lf_printf (file, "sim_engine_abort (SD, CPU, cia, "); |
| 576 | lf_printf (file, "\"%s\"", message); |
| 577 | lf_printf (file, ");\n"); |
| 578 | } |
| 579 | |
| 580 | |
| 581 | void |
| 582 | print_include (lf *file, |
| 583 | igen_module module) |
| 584 | { |
| 585 | lf_printf (file, "#include \"%s%s.h\"\n", module.prefix.l, module.suffix.l); |
| 586 | } |
| 587 | |
| 588 | void |
| 589 | print_include_inline (lf *file, |
| 590 | igen_module module) |
| 591 | { |
| 592 | lf_printf (file, "#if C_REVEALS_MODULE_P (%s_INLINE)\n", module.suffix.u); |
| 593 | lf_printf (file, "#include \"%s%s.c\"\n", module.prefix.l, module.suffix.l); |
| 594 | lf_printf (file, "#else\n"); |
| 595 | print_include (file, module); |
| 596 | lf_printf (file, "#endif\n"); |
| 597 | lf_printf (file, "\n"); |
| 598 | } |
| 599 | |
| 600 | void |
| 601 | print_includes (lf *file) |
| 602 | { |
| 603 | lf_printf (file, "\n"); |
| 604 | lf_printf (file, "#include \"sim-inline.c\"\n"); |
| 605 | lf_printf (file, "\n"); |
| 606 | print_include_inline (file, options.module.itable); |
| 607 | print_include_inline (file, options.module.idecode); |
| 608 | print_include_inline (file, options.module.support); |
| 609 | } |
| 610 | |
| 611 | |
| 612 | /****************************************************************/ |
| 613 | |
| 614 | |
| 615 | static void |
| 616 | gen_semantics_h (lf *file, |
| 617 | insn_list *semantics, |
| 618 | int max_nr_words) |
| 619 | { |
| 620 | int word_nr; |
| 621 | insn_list *semantic; |
| 622 | for (word_nr = -1; word_nr <= max_nr_words; word_nr++) |
| 623 | { |
| 624 | lf_printf (file, "typedef "); |
| 625 | print_semantic_function_type (file); |
| 626 | lf_printf (file, " %sidecode_semantic", |
| 627 | options.module.global.prefix.l); |
| 628 | if (word_nr >= 0) |
| 629 | lf_printf (file, "_%d", word_nr); |
| 630 | lf_printf (file, "\n("); |
| 631 | lf_indent (file, +1); |
| 632 | print_semantic_function_formal (file, word_nr); |
| 633 | lf_indent (file, -1); |
| 634 | lf_printf (file, ");\n"); |
| 635 | lf_printf (file, "\n"); |
| 636 | } |
| 637 | switch (options.gen.code) |
| 638 | { |
| 639 | case generate_calls: |
| 640 | for (semantic = semantics; semantic != NULL; semantic = semantic->next) |
| 641 | { |
| 642 | /* Ignore any special/internal instructions */ |
| 643 | if (semantic->insn->nr_words == 0) |
| 644 | continue; |
| 645 | print_semantic_declaration (file, |
| 646 | semantic->insn, |
| 647 | semantic->expanded_bits, |
| 648 | semantic->opcodes, |
| 649 | semantic->nr_prefetched_words); |
| 650 | } |
| 651 | break; |
| 652 | case generate_jumps: |
| 653 | lf_print__this_file_is_empty (file, "generating jumps"); |
| 654 | break; |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | |
| 659 | static void |
| 660 | gen_semantics_c (lf *file, |
| 661 | insn_list *semantics, |
| 662 | cache_entry *cache_rules) |
| 663 | { |
| 664 | if (options.gen.code == generate_calls) |
| 665 | { |
| 666 | insn_list *semantic; |
| 667 | print_includes (file); |
| 668 | print_include (file, options.module.semantics); |
| 669 | lf_printf (file, "\n"); |
| 670 | |
| 671 | for (semantic = semantics; semantic != NULL; semantic = semantic->next) |
| 672 | { |
| 673 | /* Ignore any special/internal instructions */ |
| 674 | if (semantic->insn->nr_words == 0) |
| 675 | continue; |
| 676 | print_semantic_definition (file, |
| 677 | semantic->insn, |
| 678 | semantic->expanded_bits, |
| 679 | semantic->opcodes, |
| 680 | cache_rules, |
| 681 | semantic->nr_prefetched_words); |
| 682 | } |
| 683 | } |
| 684 | else |
| 685 | { |
| 686 | lf_print__this_file_is_empty (file, "generating jump engine"); |
| 687 | } |
| 688 | } |
| 689 | |
| 690 | |
| 691 | /****************************************************************/ |
| 692 | |
| 693 | |
| 694 | static void |
| 695 | gen_icache_h (lf *file, |
| 696 | insn_list *semantic, |
| 697 | function_entry *functions, |
| 698 | int max_nr_words) |
| 699 | { |
| 700 | int word_nr; |
| 701 | for (word_nr = 0; word_nr <= max_nr_words; word_nr++) |
| 702 | { |
| 703 | lf_printf (file, "typedef "); |
| 704 | print_icache_function_type(file); |
| 705 | lf_printf (file, " %sidecode_icache_%d\n(", |
| 706 | options.module.global.prefix.l, |
| 707 | word_nr); |
| 708 | print_icache_function_formal(file, word_nr); |
| 709 | lf_printf (file, ");\n"); |
| 710 | lf_printf (file, "\n"); |
| 711 | } |
| 712 | if (options.gen.code == generate_calls |
| 713 | && options.gen.icache) |
| 714 | { |
| 715 | function_entry_traverse (file, functions, |
| 716 | print_icache_internal_function_declaration, |
| 717 | NULL); |
| 718 | while (semantic != NULL) |
| 719 | { |
| 720 | print_icache_declaration (file, |
| 721 | semantic->insn, |
| 722 | semantic->expanded_bits, |
| 723 | semantic->opcodes, |
| 724 | semantic->nr_prefetched_words); |
| 725 | semantic = semantic->next; |
| 726 | } |
| 727 | } |
| 728 | else |
| 729 | { |
| 730 | lf_print__this_file_is_empty (file, "generating jump engine"); |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | static void |
| 735 | gen_icache_c (lf *file, |
| 736 | insn_list *semantic, |
| 737 | function_entry *functions, |
| 738 | cache_entry *cache_rules) |
| 739 | { |
| 740 | /* output `internal' invalid/floating-point unavailable functions |
| 741 | where needed */ |
| 742 | if (options.gen.code == generate_calls |
| 743 | && options.gen.icache) |
| 744 | { |
| 745 | lf_printf (file, "\n"); |
| 746 | lf_printf (file, "#include \"cpu.h\"\n"); |
| 747 | lf_printf (file, "#include \"idecode.h\"\n"); |
| 748 | lf_printf (file, "#include \"semantics.h\"\n"); |
| 749 | lf_printf (file, "#include \"icache.h\"\n"); |
| 750 | lf_printf (file, "#include \"support.h\"\n"); |
| 751 | lf_printf (file, "\n"); |
| 752 | function_entry_traverse (file, functions, |
| 753 | print_icache_internal_function_definition, |
| 754 | NULL); |
| 755 | lf_printf (file, "\n"); |
| 756 | while (semantic != NULL) |
| 757 | { |
| 758 | print_icache_definition (file, |
| 759 | semantic->insn, |
| 760 | semantic->expanded_bits, |
| 761 | semantic->opcodes, |
| 762 | cache_rules, |
| 763 | semantic->nr_prefetched_words); |
| 764 | semantic = semantic->next; |
| 765 | } |
| 766 | } |
| 767 | else |
| 768 | { |
| 769 | lf_print__this_file_is_empty (file, "generating jump engine"); |
| 770 | } |
| 771 | } |
| 772 | |
| 773 | |
| 774 | /****************************************************************/ |
| 775 | |
| 776 | |
| 777 | static void |
| 778 | gen_idecode_h (lf *file, |
| 779 | gen_table *gen, |
| 780 | insn_table *insns, |
| 781 | cache_entry *cache_rules) |
| 782 | { |
| 783 | lf_printf (file, "typedef unsigned%d %sinstruction_word;\n", |
| 784 | options.insn_bit_size, options.module.global.prefix.l); |
| 785 | if (options.gen.delayed_branch) |
| 786 | { |
| 787 | lf_printf (file, "typedef struct _%sinstruction_address {\n", |
| 788 | options.module.global.prefix.l); |
| 789 | lf_printf (file, " address_word ip; /* instruction pointer */\n"); |
| 790 | lf_printf (file, " address_word dp; /* delayed-slot pointer */\n"); |
| 791 | lf_printf (file, "} %sinstruction_address;\n", options.module.global.prefix.l); |
| 792 | } |
| 793 | else |
| 794 | { |
| 795 | lf_printf (file, "typedef address_word %sinstruction_address;\n", |
| 796 | options.module.global.prefix.l); |
| 797 | |
| 798 | } |
| 799 | if (options.gen.nia == nia_is_invalid |
| 800 | && strlen (options.module.global.prefix.u) > 0) |
| 801 | { |
| 802 | lf_indent_suppress (file); |
| 803 | lf_printf (file, "#define %sINVALID_INSTRUCTION_ADDRESS ", |
| 804 | options.module.global.prefix.u); |
| 805 | lf_printf (file, "INVALID_INSTRUCTION_ADDRESS\n"); |
| 806 | } |
| 807 | lf_printf (file, "\n"); |
| 808 | print_icache_struct (file, insns, cache_rules); |
| 809 | lf_printf (file, "\n"); |
| 810 | if (options.gen.icache) |
| 811 | { |
| 812 | ERROR ("FIXME - idecode with icache suffering from bit-rot"); |
| 813 | } |
| 814 | else |
| 815 | { |
| 816 | gen_list *entry; |
| 817 | for (entry = gen->tables; entry != NULL; entry = entry->next) |
| 818 | { |
| 819 | print_idecode_issue_function_header (file, |
| 820 | (options.gen.multi_sim |
| 821 | ? entry->model->name |
| 822 | : NULL), |
| 823 | is_function_declaration, |
| 824 | 1/*ALWAYS ONE WORD*/); |
| 825 | } |
| 826 | if (options.gen.multi_sim) |
| 827 | { |
| 828 | print_idecode_issue_function_header (file, |
| 829 | NULL, |
| 830 | is_function_variable, |
| 831 | 1/*ALWAYS ONE WORD*/); |
| 832 | } |
| 833 | } |
| 834 | } |
| 835 | |
| 836 | |
| 837 | static void |
| 838 | gen_idecode_c (lf *file, |
| 839 | gen_table *gen, |
| 840 | insn_table *isa, |
| 841 | cache_entry *cache_rules) |
| 842 | { |
| 843 | /* the intro */ |
| 844 | print_includes (file); |
| 845 | print_include_inline (file, options.module.semantics); |
| 846 | lf_printf (file, "\n"); |
| 847 | |
| 848 | print_idecode_globals (file); |
| 849 | lf_printf (file, "\n"); |
| 850 | |
| 851 | switch (options.gen.code) |
| 852 | { |
| 853 | case generate_calls: |
| 854 | { |
| 855 | gen_list *entry; |
| 856 | for (entry = gen->tables; entry != NULL; entry = entry->next) |
| 857 | { |
| 858 | print_idecode_lookups (file, entry->table, cache_rules); |
| 859 | |
| 860 | /* output the main idecode routine */ |
| 861 | if (!options.gen.icache) |
| 862 | { |
| 863 | print_idecode_issue_function_header (file, |
| 864 | (options.gen.multi_sim |
| 865 | ? entry->model->name |
| 866 | : NULL), |
| 867 | 1/*is definition*/, |
| 868 | 1/*ALWAYS ONE WORD*/); |
| 869 | lf_printf (file, "{\n"); |
| 870 | lf_indent (file, +2); |
| 871 | lf_printf (file, "%sinstruction_address nia;\n", |
| 872 | options.module.global.prefix.l); |
| 873 | print_idecode_body (file, entry->table, "nia ="); |
| 874 | lf_printf (file, "return nia;"); |
| 875 | lf_indent (file, -2); |
| 876 | lf_printf (file, "}\n"); |
| 877 | } |
| 878 | } |
| 879 | break; |
| 880 | } |
| 881 | case generate_jumps: |
| 882 | { |
| 883 | lf_print__this_file_is_empty (file, "generating a jump engine"); |
| 884 | break; |
| 885 | } |
| 886 | } |
| 887 | } |
| 888 | |
| 889 | |
| 890 | /****************************************************************/ |
| 891 | |
| 892 | |
| 893 | static void |
| 894 | gen_run_c (lf *file, |
| 895 | gen_table *gen) |
| 896 | { |
| 897 | gen_list *entry; |
| 898 | lf_printf (file, "#include \"sim-main.h\"\n"); |
| 899 | lf_printf (file, "#include \"engine.h\"\n"); |
| 900 | lf_printf (file, "#include \"idecode.h\"\n"); |
| 901 | lf_printf (file, "#include \"bfd.h\"\n"); |
| 902 | lf_printf (file, "\n"); |
| 903 | |
| 904 | if (options.gen.multi_sim) |
| 905 | { |
| 906 | print_idecode_issue_function_header (file, NULL, is_function_variable, 1); |
| 907 | lf_printf (file, "\n"); |
| 908 | print_engine_run_function_header (file, NULL, is_function_variable); |
| 909 | lf_printf (file, "\n"); |
| 910 | } |
| 911 | |
| 912 | lf_printf (file, "void\n"); |
| 913 | lf_printf (file, "sim_engine_run (SIM_DESC sd,\n"); |
| 914 | lf_printf (file, " int next_cpu_nr,\n"); |
| 915 | lf_printf (file, " int nr_cpus,\n"); |
| 916 | lf_printf (file, " int siggnal)\n"); |
| 917 | lf_printf (file, "{\n"); |
| 918 | lf_indent (file, +2); |
| 919 | if (options.gen.multi_sim) |
| 920 | { |
| 921 | lf_printf (file, "int mach;\n"); |
| 922 | lf_printf (file, "if (STATE_ARCHITECTURE (sd) == NULL)\n"); |
| 923 | lf_printf (file, " mach = 0;\n"); |
| 924 | lf_printf (file, "else\n"); |
| 925 | lf_printf (file, " mach = STATE_ARCHITECTURE (sd)->mach;\n"); |
| 926 | lf_printf (file, "switch (mach)\n"); |
| 927 | lf_printf (file, " {\n"); |
| 928 | lf_indent (file, +2); |
| 929 | for (entry = gen->tables; entry != NULL; entry = entry->next) |
| 930 | { |
| 931 | if (options.gen.default_model != NULL |
| 932 | && (strcmp (entry->model->name, options.gen.default_model) == 0 |
| 933 | || strcmp (entry->model->full_name, options.gen.default_model) == 0)) |
| 934 | lf_printf (file, "default:\n"); |
| 935 | lf_printf (file, "case bfd_mach_%s:\n", entry->model->full_name); |
| 936 | lf_indent (file, +2); |
| 937 | print_function_name (file, |
| 938 | "issue", |
| 939 | NULL, /* format name */ |
| 940 | NULL, /* NO processor */ |
| 941 | NULL, /* expanded bits */ |
| 942 | function_name_prefix_idecode); |
| 943 | lf_printf (file, " = "); |
| 944 | print_function_name (file, |
| 945 | "issue", |
| 946 | NULL, /* format name */ |
| 947 | entry->model->name, |
| 948 | NULL, /* expanded bits */ |
| 949 | function_name_prefix_idecode); |
| 950 | lf_printf (file, ";\n"); |
| 951 | print_function_name (file, |
| 952 | "run", |
| 953 | NULL, /* format name */ |
| 954 | NULL, /* NO processor */ |
| 955 | NULL, /* expanded bits */ |
| 956 | function_name_prefix_engine); |
| 957 | lf_printf (file, " = "); |
| 958 | print_function_name (file, |
| 959 | "run", |
| 960 | NULL, /* format name */ |
| 961 | entry->model->name, |
| 962 | NULL, /* expanded bits */ |
| 963 | function_name_prefix_engine); |
| 964 | lf_printf (file, ";\n"); |
| 965 | lf_printf (file, "break;\n"); |
| 966 | lf_indent (file, -2); |
| 967 | } |
| 968 | if (options.gen.default_model == NULL) |
| 969 | { |
| 970 | lf_printf (file, "default:\n"); |
| 971 | lf_indent (file, +2); |
| 972 | lf_printf (file, "sim_engine_abort (sd, NULL, NULL_CIA,\n"); |
| 973 | lf_printf (file, " \"sim_engine_run - unknown machine\");\n"); |
| 974 | lf_printf (file, "break;\n"); |
| 975 | lf_indent (file, -2); |
| 976 | } |
| 977 | lf_indent (file, -2); |
| 978 | lf_printf (file, " }\n"); |
| 979 | } |
| 980 | print_function_name (file, |
| 981 | "run", |
| 982 | NULL, /* format name */ |
| 983 | NULL, /* NO processor */ |
| 984 | NULL, /* expanded bits */ |
| 985 | function_name_prefix_engine); |
| 986 | lf_printf (file, " (sd, next_cpu_nr, nr_cpus, siggnal);\n"); |
| 987 | lf_indent (file, -2); |
| 988 | lf_printf (file, "}\n"); |
| 989 | } |
| 990 | |
| 991 | /****************************************************************/ |
| 992 | |
| 993 | static gen_table * |
| 994 | do_gen (insn_table *isa, |
| 995 | decode_table *decode_rules) |
| 996 | { |
| 997 | gen_table *gen; |
| 998 | if (decode_rules == NULL) |
| 999 | error (NULL, "Must specify a decode table\n"); |
| 1000 | if (isa == NULL) |
| 1001 | error (NULL, "Must specify an instruction table\n"); |
| 1002 | if (decode_table_max_word_nr (decode_rules) > 0) |
| 1003 | options.gen.multi_word = decode_table_max_word_nr (decode_rules); |
| 1004 | gen = make_gen_tables (isa, decode_rules); |
| 1005 | gen_tables_expand_insns (gen); |
| 1006 | gen_tables_expand_semantics (gen); |
| 1007 | return gen; |
| 1008 | } |
| 1009 | |
| 1010 | /****************************************************************/ |
| 1011 | |
| 1012 | igen_options options; |
| 1013 | |
| 1014 | int |
| 1015 | main (int argc, |
| 1016 | char **argv, |
| 1017 | char **envp) |
| 1018 | { |
| 1019 | cache_entry *cache_rules = NULL; |
| 1020 | lf_file_references file_references = lf_include_references; |
| 1021 | decode_table *decode_rules = NULL; |
| 1022 | insn_table *isa = NULL; |
| 1023 | gen_table *gen = NULL; |
| 1024 | char *real_file_name = NULL; |
| 1025 | int is_header = 0; |
| 1026 | int ch; |
| 1027 | lf *standard_out = lf_open ("-", "stdout", lf_omit_references, lf_is_text, "igen"); |
| 1028 | |
| 1029 | INIT_OPTIONS (); |
| 1030 | |
| 1031 | if (argc == 1) |
| 1032 | { |
| 1033 | printf ("Usage:\n"); |
| 1034 | printf ("\n"); |
| 1035 | printf (" igen <config-opts> ... <input-opts>... <output-opts>...\n"); |
| 1036 | printf ("\n"); |
| 1037 | printf ("Config options:\n"); |
| 1038 | printf ("\n"); |
| 1039 | printf (" -B <bit-size>\n"); |
| 1040 | printf ("\t Set the number of bits in an instruction (deprecated).\n"); |
| 1041 | printf ("\t This option can now be set directly in the instruction table.\n"); |
| 1042 | printf ("\n"); |
| 1043 | printf (" -D <data-structure>\n"); |
| 1044 | printf ("\t Dump the specified data structure to stdout. Valid structures include:\n"); |
| 1045 | printf ("\t processor-names - list the names of all the processors (models)\n"); |
| 1046 | printf ("\n"); |
| 1047 | printf (" -F <filter-list>\n"); |
| 1048 | printf ("\t Filter out any instructions with a non-empty flags field that contains\n"); |
| 1049 | printf ("\t a flag not listed in the <filter-list>.\n"); |
| 1050 | printf ("\n"); |
| 1051 | printf (" -H <high-bit>\n"); |
| 1052 | printf ("\t Set the number of the high (most significant) instruction bit (deprecated).\n"); |
| 1053 | printf ("\t This option can now be set directly in the instruction table.\n"); |
| 1054 | printf ("\n"); |
| 1055 | printf (" -I <directory>\n"); |
| 1056 | printf ("\t Add <directory> to the list of directories searched when opening a file\n"); |
| 1057 | printf ("\n"); |
| 1058 | printf (" -M <model-list>\n"); |
| 1059 | printf ("\t Filter out any instructions that do not support at least one of the listed\n"); |
| 1060 | printf ("\t models (An instructions with no model information is considered to support\n"); |
| 1061 | printf ("\t all models.).\n"); |
| 1062 | printf ("\n"); |
| 1063 | printf (" -N <nr-cpus>\n"); |
| 1064 | printf ("\t Generate a simulator supporting <nr-cpus>\n"); |
| 1065 | printf ("\t Specify `-N 0' to disable generation of the SMP. Specifying `-N 1' will\n"); |
| 1066 | printf ("\t still generate an SMP enabled simulator but will only support one CPU.\n"); |
| 1067 | printf ("\n"); |
| 1068 | printf (" -T <mechanism>\n"); |
| 1069 | printf ("\t Override the decode mechanism specified by the decode rules\n"); |
| 1070 | printf ("\n"); |
| 1071 | printf (" -P <prefix>\n"); |
| 1072 | printf ("\t Prepend global names (except itable) with the string <prefix>.\n"); |
| 1073 | printf ("\t Specify -P <module>=<prefix> to set a specific <module>'s prefix.\n"); |
| 1074 | printf ("\n"); |
| 1075 | printf (" -S <suffix>\n"); |
| 1076 | printf ("\t Replace a global name (suffix) (except itable) with the string <suffix>.\n"); |
| 1077 | printf ("\t Specify -S <module>=<suffix> to change a specific <module>'s name (suffix).\n"); |
| 1078 | printf ("\n"); |
| 1079 | printf (" -Werror\n"); |
| 1080 | printf ("\t Make warnings errors\n"); |
| 1081 | printf (" -Wnodiscard\n"); |
| 1082 | printf ("\t Suppress warnings about discarded functions and instructions\n"); |
| 1083 | printf (" -Wnowidth\n"); |
| 1084 | printf ("\t Suppress warnings about instructions with invalid widths\n"); |
| 1085 | printf (" -Wnounimplemented\n"); |
| 1086 | printf ("\t Suppress warnings about unimplemented instructions\n"); |
| 1087 | printf ("\n"); |
| 1088 | printf (" -G [!]<gen-option>\n"); |
| 1089 | printf ("\t Any of the following options:\n"); |
| 1090 | printf ("\n"); |
| 1091 | printf ("\t decode-duplicate - Override the decode rules, forcing the duplication of\n"); |
| 1092 | printf ("\t semantic functions\n"); |
| 1093 | printf ("\t decode-combine - Combine any duplicated entries within a table\n"); |
| 1094 | printf ("\t decode-zero-reserved - Override the decode rules, forcing reserved bits to be\n"); |
| 1095 | printf ("\t treated as zero.\n"); |
| 1096 | printf ("\t decode-switch-is-goto - Overfide the padded-switch code type as a goto-switch\n"); |
| 1097 | printf ("\n"); |
| 1098 | printf ("\t gen-conditional-issue - conditionally issue each instruction\n"); |
| 1099 | printf ("\t gen-delayed-branch - need both cia and nia passed around\n"); |
| 1100 | printf ("\t gen-direct-access - use #defines to directly access values\n"); |
| 1101 | printf ("\t gen-zero-r<N> - arch assumes GPR(<N>) == 0, keep it that way\n"); |
| 1102 | printf ("\t gen-icache[=<N> - generate an instruction cracking cache of size <N>\n"); |
| 1103 | printf ("\t Default size is %d\n", options.gen.icache_size); |
| 1104 | printf ("\t gen-insn-in-icache - save original instruction when cracking\n"); |
| 1105 | printf ("\t gen-multi-sim[=MODEL] - generate multiple simulators - one per model\n"); |
| 1106 | printf ("\t If specified MODEL is made the default architecture.\n"); |
| 1107 | printf ("\t By default, a single simulator that will\n"); |
| 1108 | printf ("\t execute any instruction is generated\n"); |
| 1109 | printf ("\t gen-multi-word - generate code allowing for multi-word insns\n"); |
| 1110 | printf ("\t gen-semantic-icache - include semantic code in cracking functions\n"); |
| 1111 | printf ("\t gen-slot-verification - perform slot verification as part of decode\n"); |
| 1112 | printf ("\t gen-nia-invalid - NIA defaults to nia_invalid\n"); |
| 1113 | printf ("\t gen-nia-void - do not compute/return NIA\n"); |
| 1114 | printf ("\n"); |
| 1115 | printf ("\t trace-combine - report combined entries a rule application\n"); |
| 1116 | printf ("\t trace-entries - report entries after a rules application\n"); |
| 1117 | printf ("\t trace-rule-rejection - report each rule as rejected\n"); |
| 1118 | printf ("\t trace-rule-selection - report each rule as selected\n"); |
| 1119 | printf ("\t trace-insn-insertion - report each instruction as it is inserted into a decode table\n"); |
| 1120 | printf ("\t trace-rule-expansion - report each instruction as it is expanded (before insertion into a decode table)\n"); |
| 1121 | printf ("\t trace-all - enable all trace options\n"); |
| 1122 | printf ("\n"); |
| 1123 | printf ("\t field-widths - instruction formats specify widths (deprecated)\n"); |
| 1124 | printf ("\t By default, an instruction format specifies bit\n"); |
| 1125 | printf ("\t positions\n"); |
| 1126 | printf ("\t This option can now be set directly in the\n"); |
| 1127 | printf ("\t instruction table\n"); |
| 1128 | printf ("\t jumps - use jumps instead of function calls\n"); |
| 1129 | printf ("\t omit-line-numbers - do not include line number information in the output\n"); |
| 1130 | printf ("\n"); |
| 1131 | printf ("Input options:\n"); |
| 1132 | printf ("\n"); |
| 1133 | printf (" -k <cache-rules> (deprecated)\n"); |
| 1134 | printf (" -o <decode-rules>\n"); |
| 1135 | printf (" -i <instruction-table>\n"); |
| 1136 | printf ("\n"); |
| 1137 | printf ("Output options:\n"); |
| 1138 | printf ("\n"); |
| 1139 | printf (" -x Perform expansion (required)\n"); |
| 1140 | printf (" -n <real-name> Specify the real name of the next output file\n"); |
| 1141 | printf (" -h Generate the header (.h) file rather than the body (.c)\n"); |
| 1142 | printf (" -c <output-file> output icache\n"); |
| 1143 | printf (" -d <output-file> output idecode\n"); |
| 1144 | printf (" -e <output-file> output engine\n"); |
| 1145 | printf (" -f <output-file> output support functions\n"); |
| 1146 | printf (" -m <output-file> output model\n"); |
| 1147 | printf (" -r <output-file> output multi-sim run\n"); |
| 1148 | printf (" -s <output-file> output schematic\n"); |
| 1149 | printf (" -t <output-file> output itable\n"); |
| 1150 | } |
| 1151 | |
| 1152 | while ((ch = getopt(argc, argv, |
| 1153 | "B:D:F:G:H:I:M:N:P:T:W:o:k:i:n:hc:d:e:m:r:s:t:f:x")) |
| 1154 | != -1) |
| 1155 | { |
| 1156 | fprintf (stderr, " -%c ", ch); |
| 1157 | if (optarg) |
| 1158 | fprintf (stderr, "%s ", optarg); |
| 1159 | fprintf (stderr, "\\\n"); |
| 1160 | |
| 1161 | switch(ch) |
| 1162 | { |
| 1163 | |
| 1164 | case 'M': |
| 1165 | filter_parse (&options.model_filter, optarg); |
| 1166 | break; |
| 1167 | |
| 1168 | case 'D': |
| 1169 | if (strcmp (optarg, "processor-names")) |
| 1170 | { |
| 1171 | char *processor; |
| 1172 | for (processor = filter_next (options.model_filter, ""); |
| 1173 | processor != NULL; |
| 1174 | processor = filter_next (options.model_filter, processor)) |
| 1175 | lf_printf (standard_out, "%s\n", processor); |
| 1176 | } |
| 1177 | else |
| 1178 | error (NULL, "Unknown data structure %s, not dumped\n", optarg); |
| 1179 | break; |
| 1180 | |
| 1181 | case 'F': |
| 1182 | filter_parse (&options.flags_filter, optarg); |
| 1183 | break; |
| 1184 | |
| 1185 | case 'I': |
| 1186 | { |
| 1187 | table_include **dir = &options.include; |
| 1188 | while ((*dir) != NULL) |
| 1189 | dir = &(*dir)->next; |
| 1190 | (*dir) = ZALLOC (table_include); |
| 1191 | (*dir)->dir = strdup (optarg); |
| 1192 | } |
| 1193 | break; |
| 1194 | |
| 1195 | case 'B': |
| 1196 | options.insn_bit_size = a2i (optarg); |
| 1197 | if (options.insn_bit_size <= 0 |
| 1198 | || options.insn_bit_size > max_insn_bit_size) |
| 1199 | { |
| 1200 | error (NULL, "Instruction bitsize must be in range 1..%d\n", |
| 1201 | max_insn_bit_size); |
| 1202 | } |
| 1203 | if (options.hi_bit_nr != options.insn_bit_size - 1 |
| 1204 | && options.hi_bit_nr != 0) |
| 1205 | { |
| 1206 | error (NULL, "Conflict betweem hi-bit-nr and insn-bit-size\n"); |
| 1207 | } |
| 1208 | break; |
| 1209 | |
| 1210 | case 'H': |
| 1211 | options.hi_bit_nr = a2i (optarg); |
| 1212 | if (options.hi_bit_nr != options.insn_bit_size - 1 |
| 1213 | && options.hi_bit_nr != 0) |
| 1214 | { |
| 1215 | error (NULL, "Conflict between hi-bit-nr and insn-bit-size\n"); |
| 1216 | } |
| 1217 | break; |
| 1218 | |
| 1219 | case 'N': |
| 1220 | options.gen.smp = a2i (optarg); |
| 1221 | break; |
| 1222 | |
| 1223 | case 'P': |
| 1224 | case 'S': |
| 1225 | { |
| 1226 | igen_module *names; |
| 1227 | igen_name *name; |
| 1228 | char *chp; |
| 1229 | chp = strchr (optarg, '='); |
| 1230 | if (chp == NULL) |
| 1231 | { |
| 1232 | names = &options.module.global; |
| 1233 | chp = optarg; |
| 1234 | } |
| 1235 | else |
| 1236 | { |
| 1237 | chp = chp + 1; /* skip `=' */ |
| 1238 | names = NULL; |
| 1239 | if (strncmp (optarg, "global=", chp - optarg) == 0) |
| 1240 | { |
| 1241 | names = &options.module.global; |
| 1242 | } |
| 1243 | if (strncmp (optarg, "engine=", chp - optarg) == 0) |
| 1244 | { |
| 1245 | names = &options.module.engine; |
| 1246 | } |
| 1247 | if (strncmp (optarg, "icache=", chp - optarg) == 0) |
| 1248 | { |
| 1249 | names = &options.module.icache; |
| 1250 | } |
| 1251 | if (strncmp (optarg, "idecode=", chp - optarg) == 0) |
| 1252 | { |
| 1253 | names = &options.module.idecode; |
| 1254 | } |
| 1255 | if (strncmp (optarg, "itable=", chp - optarg) == 0) |
| 1256 | { |
| 1257 | names = &options.module.itable; |
| 1258 | } |
| 1259 | if (strncmp (optarg, "semantics=", chp - optarg) == 0) |
| 1260 | { |
| 1261 | names = &options.module.semantics; |
| 1262 | } |
| 1263 | if (strncmp (optarg, "support=", chp - optarg) == 0) |
| 1264 | { |
| 1265 | names = &options.module.support; |
| 1266 | } |
| 1267 | if (names == NULL) |
| 1268 | { |
| 1269 | error (NULL, "Prefix `%s' unreconized\n", optarg); |
| 1270 | } |
| 1271 | } |
| 1272 | switch (ch) |
| 1273 | { |
| 1274 | case 'P': |
| 1275 | name = &names->prefix; |
| 1276 | break; |
| 1277 | case 'S': |
| 1278 | name = &names->suffix; |
| 1279 | break; |
| 1280 | } |
| 1281 | name->u = strdup (chp); |
| 1282 | name->l = strdup (chp); |
| 1283 | chp = name->u; |
| 1284 | while (*chp) { |
| 1285 | if (islower(*chp)) |
| 1286 | *chp = toupper(*chp); |
| 1287 | chp++; |
| 1288 | } |
| 1289 | if (name == &options.module.global.prefix) |
| 1290 | { |
| 1291 | options.module.engine.prefix = options.module.global.prefix; |
| 1292 | options.module.icache.prefix = options.module.global.prefix; |
| 1293 | options.module.idecode.prefix = options.module.global.prefix; |
| 1294 | /* options.module.itable.prefix = options.module.global.prefix; */ |
| 1295 | options.module.semantics.prefix = options.module.global.prefix; |
| 1296 | options.module.support.prefix = options.module.global.prefix; |
| 1297 | } |
| 1298 | if (name == &options.module.global.suffix) |
| 1299 | { |
| 1300 | options.module.engine.suffix = options.module.global.suffix; |
| 1301 | options.module.icache.suffix = options.module.global.suffix; |
| 1302 | options.module.idecode.suffix = options.module.global.suffix; |
| 1303 | /* options.module.itable.suffix = options.module.global.suffix; */ |
| 1304 | options.module.semantics.suffix = options.module.global.suffix; |
| 1305 | options.module.support.suffix = options.module.global.suffix; |
| 1306 | } |
| 1307 | break; |
| 1308 | } |
| 1309 | |
| 1310 | case 'W': |
| 1311 | { |
| 1312 | if (strcmp (optarg, "error") == 0) |
| 1313 | options.warning = error; |
| 1314 | else if (strcmp (optarg, "nodiscard") == 0) |
| 1315 | options.warn.discard = 0; |
| 1316 | else if (strcmp (optarg, "discard") == 0) |
| 1317 | options.warn.discard = 1; |
| 1318 | else if (strcmp (optarg, "nowidth") == 0) |
| 1319 | options.warn.width = 0; |
| 1320 | else if (strcmp (optarg, "width") == 0) |
| 1321 | options.warn.width = 1; |
| 1322 | else if (strcmp (optarg, "nounimplemented") == 0) |
| 1323 | options.warn.unimplemented = 0; |
| 1324 | else if (strcmp (optarg, "unimplemented") == 0) |
| 1325 | options.warn.unimplemented = 1; |
| 1326 | else |
| 1327 | error (NULL, "Unknown -W argument `%s'\n", optarg); |
| 1328 | break; |
| 1329 | } |
| 1330 | |
| 1331 | |
| 1332 | case 'G': |
| 1333 | { |
| 1334 | int enable_p; |
| 1335 | char *argp; |
| 1336 | if (strncmp (optarg, "no-", strlen ("no-")) == 0) |
| 1337 | { |
| 1338 | argp = optarg + strlen ("no-"); |
| 1339 | enable_p = 0; |
| 1340 | } |
| 1341 | else if (strncmp (optarg, "!", strlen ("!")) == 0) |
| 1342 | { |
| 1343 | argp = optarg + strlen ("no-"); |
| 1344 | enable_p = 0; |
| 1345 | } |
| 1346 | else |
| 1347 | { |
| 1348 | argp = optarg; |
| 1349 | enable_p = 1; |
| 1350 | } |
| 1351 | if (strcmp (argp, "decode-duplicate") == 0) |
| 1352 | { |
| 1353 | options.decode.duplicate = enable_p; |
| 1354 | } |
| 1355 | else if (strcmp (argp, "decode-combine") == 0) |
| 1356 | { |
| 1357 | options.decode.combine = enable_p; |
| 1358 | } |
| 1359 | else if (strcmp (argp, "decode-zero-reserved") == 0) |
| 1360 | { |
| 1361 | options.decode.zero_reserved = enable_p; |
| 1362 | } |
| 1363 | |
| 1364 | else if (strcmp (argp, "gen-conditional-issue") == 0) |
| 1365 | { |
| 1366 | options.gen.conditional_issue = enable_p; |
| 1367 | } |
| 1368 | else if (strcmp (argp, "conditional-issue") == 0) |
| 1369 | { |
| 1370 | options.gen.conditional_issue = enable_p; |
| 1371 | options.warning (NULL, "Option conditional-issue replaced by gen-conditional-issue\n"); |
| 1372 | } |
| 1373 | else if (strcmp (argp, "gen-delayed-branch") == 0) |
| 1374 | { |
| 1375 | options.gen.delayed_branch = enable_p; |
| 1376 | } |
| 1377 | else if (strcmp (argp, "delayed-branch") == 0) |
| 1378 | { |
| 1379 | options.gen.delayed_branch = enable_p; |
| 1380 | options.warning (NULL, "Option delayed-branch replaced by gen-delayed-branch\n"); |
| 1381 | } |
| 1382 | else if (strcmp (argp, "gen-direct-access") == 0) |
| 1383 | { |
| 1384 | options.gen.direct_access = enable_p; |
| 1385 | } |
| 1386 | else if (strcmp (argp, "direct-access") == 0) |
| 1387 | { |
| 1388 | options.gen.direct_access = enable_p; |
| 1389 | options.warning (NULL, "Option direct-access replaced by gen-direct-access\n"); |
| 1390 | } |
| 1391 | else if (strncmp (argp, "gen-zero-r", strlen ("gen-zero-r")) == 0) |
| 1392 | { |
| 1393 | options.gen.zero_reg = enable_p; |
| 1394 | options.gen.zero_reg_nr = atoi (argp + strlen ("gen-zero-r")); |
| 1395 | } |
| 1396 | else if (strncmp (argp, "zero-r", strlen ("zero-r")) == 0) |
| 1397 | { |
| 1398 | options.gen.zero_reg = enable_p; |
| 1399 | options.gen.zero_reg_nr = atoi (argp + strlen ("zero-r")); |
| 1400 | options.warning (NULL, "Option zero-r<N> replaced by gen-zero-r<N>\n"); |
| 1401 | } |
| 1402 | else if (strncmp (argp, "gen-icache", strlen ("gen-icache")) == 0) |
| 1403 | { |
| 1404 | switch (argp[strlen ("gen-icache")]) |
| 1405 | { |
| 1406 | case '=': |
| 1407 | options.gen.icache_size = atoi (argp + strlen ("gen-icache") + 1); |
| 1408 | options.gen.icache = enable_p; |
| 1409 | break; |
| 1410 | case '\0': |
| 1411 | options.gen.icache = enable_p; |
| 1412 | break; |
| 1413 | default: |
| 1414 | error (NULL, "Expecting -Ggen-icache or -Ggen-icache=<N>\n"); |
| 1415 | } |
| 1416 | } |
| 1417 | else if (strcmp (argp, "gen-insn-in-icache") == 0) |
| 1418 | { |
| 1419 | options.gen.insn_in_icache = enable_p; |
| 1420 | } |
| 1421 | else if (strncmp (argp, "gen-multi-sim", strlen ("gen-multi-sim")) == 0) |
| 1422 | { |
| 1423 | char *arg = &argp[strlen ("gen-multi-sim")]; |
| 1424 | switch (arg[0]) |
| 1425 | { |
| 1426 | case '=': |
| 1427 | options.gen.multi_sim = enable_p; |
| 1428 | options.gen.default_model = arg + 1; |
| 1429 | if (! filter_is_member (options.model_filter, options.gen.default_model)) |
| 1430 | error (NULL, "multi-sim model %s unknown\n", options.gen.default_model); |
| 1431 | break; |
| 1432 | case '\0': |
| 1433 | options.gen.multi_sim = enable_p; |
| 1434 | options.gen.default_model = NULL; |
| 1435 | break; |
| 1436 | default: |
| 1437 | error (NULL, "Expecting -Ggen-multi-sim or -Ggen-multi-sim=<MODEL>\n"); |
| 1438 | break; |
| 1439 | } |
| 1440 | } |
| 1441 | else if (strcmp (argp, "gen-multi-word") == 0) |
| 1442 | { |
| 1443 | options.gen.multi_word = enable_p; |
| 1444 | } |
| 1445 | else if (strcmp (argp, "gen-semantic-icache") == 0) |
| 1446 | { |
| 1447 | options.gen.semantic_icache = enable_p; |
| 1448 | } |
| 1449 | else if (strcmp (argp, "gen-slot-verification") == 0) |
| 1450 | { |
| 1451 | options.gen.slot_verification = enable_p; |
| 1452 | } |
| 1453 | else if (strcmp (argp, "verify-slot") == 0) |
| 1454 | { |
| 1455 | options.gen.slot_verification = enable_p; |
| 1456 | options.warning (NULL, "Option verify-slot replaced by gen-slot-verification\n"); |
| 1457 | } |
| 1458 | else if (strcmp (argp, "gen-nia-invalid") == 0) |
| 1459 | { |
| 1460 | options.gen.nia = nia_is_invalid; |
| 1461 | } |
| 1462 | else if (strcmp (argp, "default-nia-minus-one") == 0) |
| 1463 | { |
| 1464 | options.gen.nia = nia_is_invalid; |
| 1465 | options.warning (NULL, "Option default-nia-minus-one replaced by gen-nia-invalid\n"); |
| 1466 | } |
| 1467 | else if (strcmp (argp, "gen-nia-void") == 0) |
| 1468 | { |
| 1469 | options.gen.nia = nia_is_void; |
| 1470 | } |
| 1471 | else if (strcmp (argp, "trace-all") == 0) |
| 1472 | { |
| 1473 | memset (&options.trace, enable_p, sizeof (options.trace)); |
| 1474 | } |
| 1475 | else if (strcmp (argp, "trace-combine") == 0) |
| 1476 | { |
| 1477 | options.trace.combine = enable_p; |
| 1478 | } |
| 1479 | else if (strcmp (argp, "trace-entries") == 0) |
| 1480 | { |
| 1481 | options.trace.entries = enable_p; |
| 1482 | } |
| 1483 | else if (strcmp (argp, "trace-rule-rejection") == 0) |
| 1484 | { |
| 1485 | options.trace.rule_rejection = enable_p; |
| 1486 | } |
| 1487 | else if (strcmp (argp, "trace-rule-selection") == 0) |
| 1488 | { |
| 1489 | options.trace.rule_selection = enable_p; |
| 1490 | } |
| 1491 | else if (strcmp (argp, "trace-insn-insertion") == 0) |
| 1492 | { |
| 1493 | options.trace.insn_insertion = enable_p; |
| 1494 | } |
| 1495 | else if (strcmp (argp, "trace-insn-expansion") == 0) |
| 1496 | { |
| 1497 | options.trace.insn_expansion = enable_p; |
| 1498 | } |
| 1499 | else if (strcmp (argp, "jumps") == 0) |
| 1500 | { |
| 1501 | options.gen.code = generate_jumps; |
| 1502 | } |
| 1503 | else if (strcmp (argp, "field-widths") == 0) |
| 1504 | { |
| 1505 | options.insn_specifying_widths = enable_p; |
| 1506 | } |
| 1507 | else if (strcmp (argp, "omit-line-numbers") == 0) |
| 1508 | { |
| 1509 | file_references = lf_omit_references; |
| 1510 | } |
| 1511 | else |
| 1512 | { |
| 1513 | error (NULL, "Unknown option %s\n", optarg); |
| 1514 | } |
| 1515 | break; |
| 1516 | } |
| 1517 | |
| 1518 | case 'i': |
| 1519 | isa = load_insn_table (optarg, cache_rules); |
| 1520 | if (isa->illegal_insn == NULL) |
| 1521 | error (NULL, "illegal-instruction missing from insn table\n"); |
| 1522 | break; |
| 1523 | |
| 1524 | case 'x': |
| 1525 | gen = do_gen (isa, decode_rules); |
| 1526 | break; |
| 1527 | |
| 1528 | case 'o': |
| 1529 | decode_rules = load_decode_table (optarg); |
| 1530 | break; |
| 1531 | |
| 1532 | case 'k': |
| 1533 | if (isa != NULL) |
| 1534 | error (NULL, "Cache file must appear before the insn file\n"); |
| 1535 | cache_rules = load_cache_table (optarg); |
| 1536 | break; |
| 1537 | |
| 1538 | case 'n': |
| 1539 | real_file_name = strdup(optarg); |
| 1540 | break; |
| 1541 | |
| 1542 | case 'h': |
| 1543 | is_header = 1; |
| 1544 | break; |
| 1545 | |
| 1546 | case 'c': |
| 1547 | case 'd': |
| 1548 | case 'e': |
| 1549 | case 'f': |
| 1550 | case 'm': |
| 1551 | case 'r': |
| 1552 | case 's': |
| 1553 | case 't': |
| 1554 | { |
| 1555 | lf *file = lf_open(optarg, real_file_name, file_references, |
| 1556 | (is_header ? lf_is_h : lf_is_c), |
| 1557 | argv[0]); |
| 1558 | if (gen == NULL && ch != 't' && ch != 'm' && ch != 'f') |
| 1559 | { |
| 1560 | options.warning (NULL, "Explicitly generate tables with -x option\n"); |
| 1561 | gen = do_gen (isa, decode_rules); |
| 1562 | } |
| 1563 | lf_print__file_start(file); |
| 1564 | switch (ch) |
| 1565 | { |
| 1566 | case 'm': |
| 1567 | if (is_header) |
| 1568 | gen_model_h (file, isa); |
| 1569 | else |
| 1570 | gen_model_c (file, isa); |
| 1571 | break; |
| 1572 | case 't': |
| 1573 | if (is_header) |
| 1574 | gen_itable_h (file, isa); |
| 1575 | else |
| 1576 | gen_itable_c (file, isa); |
| 1577 | break; |
| 1578 | case 'f': |
| 1579 | if (is_header) |
| 1580 | gen_support_h (file, isa); |
| 1581 | else |
| 1582 | gen_support_c (file, isa); |
| 1583 | break; |
| 1584 | case 'r': |
| 1585 | if (is_header) |
| 1586 | options.warning (NULL, "-hr option ignored\n"); |
| 1587 | else |
| 1588 | gen_run_c (file, gen); |
| 1589 | break; |
| 1590 | case 's': |
| 1591 | if(is_header) |
| 1592 | gen_semantics_h (file, gen->semantics, isa->max_nr_words); |
| 1593 | else |
| 1594 | gen_semantics_c (file, gen->semantics, isa->caches); |
| 1595 | break; |
| 1596 | case 'd': |
| 1597 | if (is_header) |
| 1598 | gen_idecode_h (file, gen, isa, cache_rules); |
| 1599 | else |
| 1600 | gen_idecode_c (file, gen, isa, cache_rules); |
| 1601 | break; |
| 1602 | case 'e': |
| 1603 | if (is_header) |
| 1604 | gen_engine_h (file, gen, isa, cache_rules); |
| 1605 | else |
| 1606 | gen_engine_c (file, gen, isa, cache_rules); |
| 1607 | break; |
| 1608 | case 'c': |
| 1609 | if (is_header) |
| 1610 | gen_icache_h (file, |
| 1611 | gen->semantics, |
| 1612 | isa->functions, |
| 1613 | isa->max_nr_words); |
| 1614 | else |
| 1615 | gen_icache_c (file, |
| 1616 | gen->semantics, |
| 1617 | isa->functions, |
| 1618 | cache_rules); |
| 1619 | break; |
| 1620 | } |
| 1621 | lf_print__file_finish(file); |
| 1622 | lf_close(file); |
| 1623 | is_header = 0; |
| 1624 | } |
| 1625 | real_file_name = NULL; |
| 1626 | break; |
| 1627 | default: |
| 1628 | ERROR ("Bad switch"); |
| 1629 | } |
| 1630 | } |
| 1631 | return (0); |
| 1632 | } |