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sim: include stdlib.h for atoi()
[deliverable/binutils-gdb.git] / sim / igen / igen.c
1 /* The IGEN simulator generator for GDB, the GNU Debugger.
2
3 Copyright 2002-2021 Free Software Foundation, Inc.
4
5 Contributed by Andrew Cagney.
6
7 This file is part of GDB.
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21
22 #include <getopt.h>
23 #include <stdlib.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, int nr_prefetched_words)
56 {
57 int nr = 0;
58 int word_nr;
59 if (options.gen.icache || nr_prefetched_words < 0)
60 {
61 nr += lf_printf (file, "SIM_DESC sd,\n");
62 nr += lf_printf (file, "%sidecode_cache *cache_entry,\n",
63 options.module.global.prefix.l);
64 nr += lf_printf (file, "%sinstruction_address cia",
65 options.module.global.prefix.l);
66 }
67 else if (options.gen.smp)
68 {
69 nr += lf_printf (file, "sim_cpu *cpu,\n");
70 for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++)
71 {
72 nr += lf_printf (file, "%sinstruction_word instruction_%d,\n",
73 options.module.global.prefix.l, word_nr);
74 }
75 nr += lf_printf (file, "%sinstruction_address cia",
76 options.module.global.prefix.l);
77 }
78 else
79 {
80 nr += lf_printf (file, "SIM_DESC sd,\n");
81 for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++)
82 {
83 nr += lf_printf (file, "%sinstruction_word instruction_%d,\n",
84 options.module.global.prefix.l, word_nr);
85 }
86 nr += lf_printf (file, "%sinstruction_address cia",
87 options.module.global.prefix.l);
88 }
89 return nr;
90 }
91
92 int
93 print_semantic_function_actual (lf *file, int nr_prefetched_words)
94 {
95 int nr = 0;
96 int word_nr;
97 if (options.gen.icache || nr_prefetched_words < 0)
98 {
99 nr += lf_printf (file, "sd, cache_entry, cia");
100 }
101 else
102 {
103 if (options.gen.smp)
104 nr += lf_printf (file, "cpu");
105 else
106 nr += lf_printf (file, "sd");
107 for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++)
108 nr += lf_printf (file, ", instruction_%d", word_nr);
109 nr += lf_printf (file, ", cia");
110 }
111 return nr;
112 }
113
114 int
115 print_semantic_function_type (lf *file)
116 {
117 int nr = 0;
118 nr += lf_printf (file, "%sinstruction_address",
119 options.module.global.prefix.l);
120 return nr;
121 }
122
123
124 /* Idecode functions */
125
126 int
127 print_icache_function_formal (lf *file, int nr_prefetched_words)
128 {
129 int nr = 0;
130 int word_nr;
131 if (options.gen.smp)
132 nr += lf_printf (file, "sim_cpu *cpu,\n");
133 else
134 nr += lf_printf (file, "SIM_DESC sd,\n");
135 for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++)
136 nr += lf_printf (file, " %sinstruction_word instruction_%d,\n",
137 options.module.global.prefix.l, word_nr);
138 nr += lf_printf (file, " %sinstruction_address cia,\n",
139 options.module.global.prefix.l);
140 nr += lf_printf (file, " %sidecode_cache *cache_entry",
141 options.module.global.prefix.l);
142 return nr;
143 }
144
145 int
146 print_icache_function_actual (lf *file, int nr_prefetched_words)
147 {
148 int nr = 0;
149 int word_nr;
150 if (options.gen.smp)
151 nr += lf_printf (file, "cpu");
152 else
153 nr += lf_printf (file, "sd");
154 for (word_nr = 0; word_nr < nr_prefetched_words; word_nr++)
155 nr += lf_printf (file, ", instruction_%d", word_nr);
156 nr += lf_printf (file, ", cia, cache_entry");
157 return nr;
158 }
159
160 int
161 print_icache_function_type (lf *file)
162 {
163 int nr;
164 if (options.gen.semantic_icache)
165 {
166 nr = print_semantic_function_type (file);
167 }
168 else
169 {
170 nr = lf_printf (file, "%sidecode_semantic *",
171 options.module.global.prefix.l);
172 }
173 return nr;
174 }
175
176
177 /* Function names */
178
179 static int
180 print_opcode_bits (lf *file, opcode_bits *bits)
181 {
182 int nr = 0;
183 if (bits == NULL)
184 return nr;
185 nr += lf_putchr (file, '_');
186 nr += lf_putstr (file, bits->field->val_string);
187 if (bits->opcode->is_boolean && bits->value == 0)
188 nr += lf_putint (file, bits->opcode->boolean_constant);
189 else if (!bits->opcode->is_boolean)
190 {
191 if (bits->opcode->last < bits->field->last)
192 nr +=
193 lf_putint (file,
194 bits->value << (bits->field->last - bits->opcode->last));
195 else
196 nr += lf_putint (file, bits->value);
197 }
198 nr += print_opcode_bits (file, bits->next);
199 return nr;
200 }
201
202 static int
203 print_c_name (lf *file, const char *name)
204 {
205 int nr = 0;
206 const char *pos;
207 for (pos = name; *pos != '\0'; pos++)
208 {
209 switch (*pos)
210 {
211 case '/':
212 case '-':
213 break;
214 case ' ':
215 case '.':
216 nr += lf_putchr (file, '_');
217 break;
218 default:
219 nr += lf_putchr (file, *pos);
220 break;
221 }
222 }
223 return nr;
224 }
225
226 extern int
227 print_function_name (lf *file,
228 const char *basename,
229 const char *format_name,
230 const char *model_name,
231 opcode_bits *expanded_bits,
232 lf_function_name_prefixes prefix)
233 {
234 int nr = 0;
235 /* the prefix */
236 switch (prefix)
237 {
238 case function_name_prefix_semantics:
239 nr += lf_printf (file, "%s", options.module.semantics.prefix.l);
240 nr += lf_printf (file, "semantic_");
241 break;
242 case function_name_prefix_idecode:
243 nr += lf_printf (file, "%s", options.module.idecode.prefix.l);
244 nr += lf_printf (file, "idecode_");
245 break;
246 case function_name_prefix_itable:
247 nr += lf_printf (file, "%sitable_", options.module.itable.prefix.l);
248 break;
249 case function_name_prefix_icache:
250 nr += lf_printf (file, "%s", options.module.icache.prefix.l);
251 nr += lf_printf (file, "icache_");
252 break;
253 case function_name_prefix_engine:
254 nr += lf_printf (file, "%s", options.module.engine.prefix.l);
255 nr += lf_printf (file, "engine_");
256 default:
257 break;
258 }
259
260 if (model_name != NULL)
261 {
262 nr += print_c_name (file, model_name);
263 nr += lf_printf (file, "_");
264 }
265
266 /* the function name */
267 nr += print_c_name (file, basename);
268
269 /* the format name if available */
270 if (format_name != NULL)
271 {
272 nr += lf_printf (file, "_");
273 nr += print_c_name (file, format_name);
274 }
275
276 /* the suffix */
277 nr += print_opcode_bits (file, expanded_bits);
278
279 return nr;
280 }
281
282
283 void
284 print_my_defines (lf *file,
285 const char *basename,
286 const char *format_name, opcode_bits *expanded_bits)
287 {
288 /* #define MY_INDEX xxxxx */
289 lf_indent_suppress (file);
290 lf_printf (file, "#undef MY_INDEX\n");
291 lf_indent_suppress (file);
292 lf_printf (file, "#define MY_INDEX ");
293 print_function_name (file,
294 basename, format_name, NULL,
295 NULL, function_name_prefix_itable);
296 lf_printf (file, "\n");
297 /* #define MY_PREFIX xxxxxx */
298 lf_indent_suppress (file);
299 lf_printf (file, "#undef ");
300 print_function_name (file,
301 basename, format_name, NULL,
302 expanded_bits, function_name_prefix_none);
303 lf_printf (file, "\n");
304 lf_indent_suppress (file);
305 lf_printf (file, "#undef MY_PREFIX\n");
306 lf_indent_suppress (file);
307 lf_printf (file, "#define MY_PREFIX ");
308 print_function_name (file,
309 basename, format_name, NULL,
310 expanded_bits, function_name_prefix_none);
311 lf_printf (file, "\n");
312 /* #define MY_NAME xxxxxx */
313 lf_indent_suppress (file);
314 lf_indent_suppress (file);
315 lf_printf (file, "#undef MY_NAME\n");
316 lf_indent_suppress (file);
317 lf_printf (file, "#define MY_NAME \"");
318 print_function_name (file,
319 basename, format_name, NULL,
320 expanded_bits, function_name_prefix_none);
321 lf_printf (file, "\"\n");
322 }
323
324
325 static int
326 print_itrace_prefix (lf *file)
327 {
328 const char *prefix = "trace_prefix (";
329 int indent = strlen (prefix);
330 lf_printf (file, "%sSD, CPU, cia, CIA, TRACE_LINENUM_P (CPU), \\\n",
331 prefix);
332 lf_indent (file, +indent);
333 lf_printf (file, "%sitable[MY_INDEX].file, \\\n",
334 options.module.itable.prefix.l);
335 lf_printf (file, "%sitable[MY_INDEX].line_nr, \\\n",
336 options.module.itable.prefix.l);
337 lf_printf (file, "\"");
338 return indent;
339 }
340
341
342 static void
343 print_itrace_format (lf *file, insn_mnemonic_entry *assembler)
344 {
345 /* pass=1 is fmt string; pass=2 is arguments */
346 int pass;
347 /* print the format string */
348 for (pass = 1; pass <= 2; pass++)
349 {
350 const char *chp = assembler->format;
351 chp++; /* skip the leading quote */
352 /* write out the format/args */
353 while (*chp != '\0')
354 {
355 if (chp[0] == '\\' && (chp[1] == '<' || chp[1] == '>'))
356 {
357 if (pass == 1)
358 lf_putchr (file, chp[1]);
359 chp += 2;
360 }
361 else if (chp[0] == '<' || chp[0] == '%')
362 {
363 /* parse [ "%" ... ] "<" [ func "#" ] param ">" */
364 const char *fmt;
365 const char *func;
366 int strlen_func;
367 const char *param;
368 int strlen_param;
369 /* the "%" ... "<" format */
370 fmt = chp;
371 while (chp[0] != '<' && chp[0] != '\0')
372 chp++;
373 if (chp[0] != '<')
374 error (assembler->line, "Missing `<' after `%%'\n");
375 chp++;
376 /* [ "func" # ] OR "param" */
377 func = chp;
378 param = chp;
379 while (chp[0] != '>' && chp[0] != '#' && chp[0] != '\0')
380 chp++;
381 strlen_func = chp - func;
382 if (chp[0] == '#')
383 {
384 chp++;
385 param = chp;
386 while (chp[0] != '>' && chp[0] != '\0')
387 chp++;
388 }
389 strlen_param = chp - param;
390 if (chp[0] != '>')
391 error (assembler->line,
392 "Missing closing `>' in assembler string\n");
393 chp++;
394 /* now process it */
395 if (pass == 2)
396 lf_printf (file, ", \\\n");
397 if (strncmp (fmt, "<", 1) == 0)
398 /* implicit long int format */
399 {
400 if (pass == 1)
401 lf_printf (file, "%%ld");
402 else
403 {
404 lf_printf (file, "(long) ");
405 lf_write (file, param, strlen_param);
406 }
407 }
408 else if (strncmp (fmt, "%<", 2) == 0)
409 /* explicit format */
410 {
411 if (pass == 1)
412 lf_printf (file, "%%");
413 else
414 lf_write (file, param, strlen_param);
415 }
416 else if (strncmp (fmt, "%s<", 3) == 0)
417 /* string format */
418 {
419 if (pass == 1)
420 lf_printf (file, "%%s");
421 else
422 {
423 lf_printf (file, "%sstr_",
424 options.module.global.prefix.l);
425 lf_write (file, func, strlen_func);
426 lf_printf (file, " (SD_, ");
427 lf_write (file, param, strlen_param);
428 lf_printf (file, ")");
429 }
430 }
431 else if (strncmp (fmt, "%lx<", 4) == 0)
432 /* simple hex */
433 {
434 if (pass == 1)
435 lf_printf (file, "%%lx");
436 else
437 {
438 lf_printf (file, "(unsigned long) ");
439 lf_write (file, param, strlen_param);
440 }
441 }
442 else if (strncmp (fmt, "%#lx<", 5) == 0)
443 /* simple hex with 0x prefix */
444 {
445 if (pass == 1)
446 lf_printf (file, "%%#lx");
447 else
448 {
449 lf_printf (file, "(unsigned long) ");
450 lf_write (file, param, strlen_param);
451 }
452 }
453 else if (strncmp (fmt, "%08lx<", 6) == 0)
454 /* simple hex */
455 {
456 if (pass == 1)
457 lf_printf (file, "%%08lx");
458 else
459 {
460 lf_printf (file, "(unsigned long) ");
461 lf_write (file, param, strlen_param);
462 }
463 }
464 else
465 error (assembler->line, "Unknown assembler string format\n");
466 }
467 else
468 {
469 if (pass == 1)
470 lf_putchr (file, chp[0]);
471 chp += 1;
472 }
473 }
474 }
475 lf_printf (file, ");\n");
476 }
477
478
479 void
480 print_itrace (lf *file, insn_entry * insn, int idecode)
481 {
482 /* NB: Here we escape each EOLN. This is so that the the compiler
483 treats a trace function call as a single line. Consequently any
484 errors in the line are refered back to the same igen assembler
485 source line */
486 const char *phase = (idecode) ? "DECODE" : "INSN";
487 lf_printf (file, "\n");
488 lf_indent_suppress (file);
489 lf_printf (file, "#if defined (WITH_TRACE)\n");
490 lf_printf (file, "/* generate a trace prefix if any tracing enabled */\n");
491 lf_printf (file, "if (TRACE_ANY_P (CPU))\n");
492 lf_printf (file, " {\n");
493 lf_indent (file, +4);
494 {
495 if (insn->mnemonics != NULL)
496 {
497 insn_mnemonic_entry *assembler = insn->mnemonics;
498 int is_first = 1;
499 do
500 {
501 if (assembler->condition != NULL)
502 {
503 int indent;
504 lf_printf (file, "%sif (%s)\n",
505 is_first ? "" : "else ", assembler->condition);
506 lf_indent (file, +2);
507 lf_print__line_ref (file, assembler->line);
508 indent = print_itrace_prefix (file);
509 print_itrace_format (file, assembler);
510 lf_print__internal_ref (file);
511 lf_indent (file, -indent);
512 lf_indent (file, -2);
513 if (assembler->next == NULL)
514 error (assembler->line,
515 "Missing final unconditional assembler\n");
516 }
517 else
518 {
519 int indent;
520 if (!is_first)
521 {
522 lf_printf (file, "else\n");
523 lf_indent (file, +2);
524 }
525 lf_print__line_ref (file, assembler->line);
526 indent = print_itrace_prefix (file);
527 print_itrace_format (file, assembler);
528 lf_print__internal_ref (file);
529 lf_indent (file, -indent);
530 if (!is_first)
531 lf_indent (file, -2);
532 if (assembler->next != NULL)
533 error (assembler->line,
534 "Unconditional assembler is not last\n");
535 }
536 is_first = 0;
537 assembler = assembler->next;
538 }
539 while (assembler != NULL);
540 }
541 else
542 {
543 int indent;
544 lf_indent (file, +2);
545 lf_print__line_ref (file, insn->line);
546 indent = print_itrace_prefix (file);
547 lf_printf (file, "%%s\", \\\n");
548 lf_printf (file, "itable[MY_INDEX].name);\n");
549 lf_print__internal_ref (file);
550 lf_indent (file, -indent);
551 lf_indent (file, -2);
552 }
553 lf_printf (file, "/* trace the instruction execution if enabled */\n");
554 lf_printf (file, "if (TRACE_%s_P (CPU))\n", phase);
555 lf_printf (file,
556 " trace_generic (SD, CPU, TRACE_%s_IDX, \" %%s\", itable[MY_INDEX].name);\n",
557 phase);
558 }
559 lf_indent (file, -4);
560 lf_printf (file, " }\n");
561 lf_indent_suppress (file);
562 lf_printf (file, "#endif\n");
563 }
564
565
566 void
567 print_sim_engine_abort (lf *file, const char *message)
568 {
569 lf_printf (file, "sim_engine_abort (SD, CPU, cia, ");
570 lf_printf (file, "\"%s\"", message);
571 lf_printf (file, ");\n");
572 }
573
574
575 void
576 print_include (lf *file, igen_module module)
577 {
578 lf_printf (file, "#include \"%s%s.h\"\n", module.prefix.l, module.suffix.l);
579 }
580
581 void
582 print_include_inline (lf *file, igen_module module)
583 {
584 lf_printf (file, "#if C_REVEALS_MODULE_P (%s_INLINE)\n", module.suffix.u);
585 lf_printf (file, "#include \"%s%s.c\"\n", module.prefix.l, module.suffix.l);
586 lf_printf (file, "#else\n");
587 print_include (file, module);
588 lf_printf (file, "#endif\n");
589 lf_printf (file, "\n");
590 }
591
592 void
593 print_includes (lf *file)
594 {
595 lf_printf (file, "\n");
596 lf_printf (file, "#include \"sim-inline.c\"\n");
597 lf_printf (file, "\n");
598 print_include_inline (file, options.module.itable);
599 print_include_inline (file, options.module.idecode);
600 print_include_inline (file, options.module.support);
601 }
602
603
604 /****************************************************************/
605
606
607 static void
608 gen_semantics_h (lf *file, insn_list *semantics, int max_nr_words)
609 {
610 int word_nr;
611 insn_list *semantic;
612 for (word_nr = -1; word_nr <= max_nr_words; word_nr++)
613 {
614 lf_printf (file, "typedef ");
615 print_semantic_function_type (file);
616 lf_printf (file, " %sidecode_semantic", options.module.global.prefix.l);
617 if (word_nr >= 0)
618 lf_printf (file, "_%d", word_nr);
619 lf_printf (file, "\n(");
620 lf_indent (file, +1);
621 print_semantic_function_formal (file, word_nr);
622 lf_indent (file, -1);
623 lf_printf (file, ");\n");
624 lf_printf (file, "\n");
625 }
626 switch (options.gen.code)
627 {
628 case generate_calls:
629 for (semantic = semantics; semantic != NULL; semantic = semantic->next)
630 {
631 /* Ignore any special/internal instructions */
632 if (semantic->insn->nr_words == 0)
633 continue;
634 print_semantic_declaration (file,
635 semantic->insn,
636 semantic->expanded_bits,
637 semantic->opcodes,
638 semantic->nr_prefetched_words);
639 }
640 break;
641 case generate_jumps:
642 lf_print__this_file_is_empty (file, "generating jumps");
643 break;
644 }
645 }
646
647
648 static void
649 gen_semantics_c (lf *file, insn_list *semantics, cache_entry *cache_rules)
650 {
651 if (options.gen.code == generate_calls)
652 {
653 insn_list *semantic;
654 print_includes (file);
655 print_include (file, options.module.semantics);
656 lf_printf (file, "\n");
657
658 for (semantic = semantics; semantic != NULL; semantic = semantic->next)
659 {
660 /* Ignore any special/internal instructions */
661 if (semantic->insn->nr_words == 0)
662 continue;
663 print_semantic_definition (file,
664 semantic->insn,
665 semantic->expanded_bits,
666 semantic->opcodes,
667 cache_rules,
668 semantic->nr_prefetched_words);
669 }
670 }
671 else
672 {
673 lf_print__this_file_is_empty (file, "generating jump engine");
674 }
675 }
676
677
678 /****************************************************************/
679
680
681 static void
682 gen_icache_h (lf *file,
683 insn_list *semantic,
684 function_entry * functions, int max_nr_words)
685 {
686 int word_nr;
687 for (word_nr = 0; word_nr <= max_nr_words; word_nr++)
688 {
689 lf_printf (file, "typedef ");
690 print_icache_function_type (file);
691 lf_printf (file, " %sidecode_icache_%d\n(",
692 options.module.global.prefix.l, word_nr);
693 print_icache_function_formal (file, word_nr);
694 lf_printf (file, ");\n");
695 lf_printf (file, "\n");
696 }
697 if (options.gen.code == generate_calls && options.gen.icache)
698 {
699 function_entry_traverse (file, functions,
700 print_icache_internal_function_declaration,
701 NULL);
702 while (semantic != NULL)
703 {
704 print_icache_declaration (file,
705 semantic->insn,
706 semantic->expanded_bits,
707 semantic->opcodes,
708 semantic->nr_prefetched_words);
709 semantic = semantic->next;
710 }
711 }
712 else
713 {
714 lf_print__this_file_is_empty (file, "generating jump engine");
715 }
716 }
717
718 static void
719 gen_icache_c (lf *file,
720 insn_list *semantic,
721 function_entry * functions, cache_entry *cache_rules)
722 {
723 /* output `internal' invalid/floating-point unavailable functions
724 where needed */
725 if (options.gen.code == generate_calls && options.gen.icache)
726 {
727 lf_printf (file, "\n");
728 lf_printf (file, "#include \"cpu.h\"\n");
729 lf_printf (file, "#include \"idecode.h\"\n");
730 lf_printf (file, "#include \"semantics.h\"\n");
731 lf_printf (file, "#include \"icache.h\"\n");
732 lf_printf (file, "#include \"support.h\"\n");
733 lf_printf (file, "\n");
734 function_entry_traverse (file, functions,
735 print_icache_internal_function_definition,
736 NULL);
737 lf_printf (file, "\n");
738 while (semantic != NULL)
739 {
740 print_icache_definition (file,
741 semantic->insn,
742 semantic->expanded_bits,
743 semantic->opcodes,
744 cache_rules,
745 semantic->nr_prefetched_words);
746 semantic = semantic->next;
747 }
748 }
749 else
750 {
751 lf_print__this_file_is_empty (file, "generating jump engine");
752 }
753 }
754
755
756 /****************************************************************/
757
758
759 static void
760 gen_idecode_h (lf *file,
761 gen_table *gen, insn_table *insns, cache_entry *cache_rules)
762 {
763 lf_printf (file, "typedef unsigned%d %sinstruction_word;\n",
764 options.insn_bit_size, options.module.global.prefix.l);
765 if (options.gen.delayed_branch)
766 {
767 lf_printf (file, "typedef struct _%sinstruction_address {\n",
768 options.module.global.prefix.l);
769 lf_printf (file, " address_word ip; /* instruction pointer */\n");
770 lf_printf (file, " address_word dp; /* delayed-slot pointer */\n");
771 lf_printf (file, "} %sinstruction_address;\n",
772 options.module.global.prefix.l);
773 }
774 else
775 {
776 lf_printf (file, "typedef address_word %sinstruction_address;\n",
777 options.module.global.prefix.l);
778
779 }
780 if (options.gen.nia == nia_is_invalid
781 && strlen (options.module.global.prefix.u) > 0)
782 {
783 lf_indent_suppress (file);
784 lf_printf (file, "#define %sINVALID_INSTRUCTION_ADDRESS ",
785 options.module.global.prefix.u);
786 lf_printf (file, "INVALID_INSTRUCTION_ADDRESS\n");
787 }
788 lf_printf (file, "\n");
789 print_icache_struct (file, insns, cache_rules);
790 lf_printf (file, "\n");
791 if (options.gen.icache)
792 {
793 ERROR ("FIXME - idecode with icache suffering from bit-rot");
794 }
795 else
796 {
797 gen_list *entry;
798 for (entry = gen->tables; entry != NULL; entry = entry->next)
799 {
800 print_idecode_issue_function_header (file,
801 (options.gen.multi_sim
802 ? entry->model->name
803 : NULL),
804 is_function_declaration,
805 1 /*ALWAYS ONE WORD */ );
806 }
807 if (options.gen.multi_sim)
808 {
809 print_idecode_issue_function_header (file,
810 NULL,
811 is_function_variable,
812 1 /*ALWAYS ONE WORD */ );
813 }
814 }
815 }
816
817
818 static void
819 gen_idecode_c (lf *file,
820 gen_table *gen, insn_table *isa, cache_entry *cache_rules)
821 {
822 /* the intro */
823 print_includes (file);
824 print_include_inline (file, options.module.semantics);
825 lf_printf (file, "\n");
826
827 print_idecode_globals (file);
828 lf_printf (file, "\n");
829
830 switch (options.gen.code)
831 {
832 case generate_calls:
833 {
834 gen_list *entry;
835 for (entry = gen->tables; entry != NULL; entry = entry->next)
836 {
837 print_idecode_lookups (file, entry->table, cache_rules);
838
839 /* output the main idecode routine */
840 if (!options.gen.icache)
841 {
842 print_idecode_issue_function_header (file,
843 (options.gen.multi_sim
844 ? entry->model->name
845 : NULL),
846 1 /*is definition */ ,
847 1 /*ALWAYS ONE WORD */ );
848 lf_printf (file, "{\n");
849 lf_indent (file, +2);
850 lf_printf (file, "%sinstruction_address nia;\n",
851 options.module.global.prefix.l);
852 print_idecode_body (file, entry->table, "nia =");
853 lf_printf (file, "return nia;");
854 lf_indent (file, -2);
855 lf_printf (file, "}\n");
856 }
857 }
858 break;
859 }
860 case generate_jumps:
861 {
862 lf_print__this_file_is_empty (file, "generating a jump engine");
863 break;
864 }
865 }
866 }
867
868
869 /****************************************************************/
870
871
872 static void
873 gen_run_c (lf *file, gen_table *gen)
874 {
875 gen_list *entry;
876 lf_printf (file, "#include \"sim-main.h\"\n");
877 lf_printf (file, "#include \"engine.h\"\n");
878 lf_printf (file, "#include \"idecode.h\"\n");
879 lf_printf (file, "#include \"bfd.h\"\n");
880 lf_printf (file, "\n");
881
882 if (options.gen.multi_sim)
883 {
884 print_idecode_issue_function_header (file, NULL, is_function_variable,
885 1);
886 lf_printf (file, "\n");
887 print_engine_run_function_header (file, NULL, is_function_variable);
888 lf_printf (file, "\n");
889 }
890
891 lf_printf (file, "void\n");
892 lf_printf (file, "sim_engine_run (SIM_DESC sd,\n");
893 lf_printf (file, " int next_cpu_nr,\n");
894 lf_printf (file, " int nr_cpus,\n");
895 lf_printf (file, " int siggnal)\n");
896 lf_printf (file, "{\n");
897 lf_indent (file, +2);
898 if (options.gen.multi_sim)
899 {
900 lf_printf (file, "int mach;\n");
901 lf_printf (file, "if (STATE_ARCHITECTURE (sd) == NULL)\n");
902 lf_printf (file, " mach = 0;\n");
903 lf_printf (file, "else\n");
904 lf_printf (file, " mach = STATE_ARCHITECTURE (sd)->mach;\n");
905 lf_printf (file, "switch (mach)\n");
906 lf_printf (file, " {\n");
907 lf_indent (file, +2);
908 for (entry = gen->tables; entry != NULL; entry = entry->next)
909 {
910 if (options.gen.default_model != NULL
911 && (strcmp (entry->model->name, options.gen.default_model) == 0
912 || strcmp (entry->model->full_name,
913 options.gen.default_model) == 0))
914 lf_printf (file, "default:\n");
915 lf_printf (file, "case bfd_mach_%s:\n", entry->model->full_name);
916 lf_indent (file, +2);
917 print_function_name (file, "issue", NULL, /* format name */
918 NULL, /* NO processor */
919 NULL, /* expanded bits */
920 function_name_prefix_idecode);
921 lf_printf (file, " = ");
922 print_function_name (file, "issue", NULL, /* format name */
923 entry->model->name, NULL, /* expanded bits */
924 function_name_prefix_idecode);
925 lf_printf (file, ";\n");
926 print_function_name (file, "run", NULL, /* format name */
927 NULL, /* NO processor */
928 NULL, /* expanded bits */
929 function_name_prefix_engine);
930 lf_printf (file, " = ");
931 print_function_name (file, "run", NULL, /* format name */
932 entry->model->name, NULL, /* expanded bits */
933 function_name_prefix_engine);
934 lf_printf (file, ";\n");
935 lf_printf (file, "break;\n");
936 lf_indent (file, -2);
937 }
938 if (options.gen.default_model == NULL)
939 {
940 lf_printf (file, "default:\n");
941 lf_indent (file, +2);
942 lf_printf (file, "sim_engine_abort (sd, NULL, NULL_CIA,\n");
943 lf_printf (file,
944 " \"sim_engine_run - unknown machine\");\n");
945 lf_printf (file, "break;\n");
946 lf_indent (file, -2);
947 }
948 lf_indent (file, -2);
949 lf_printf (file, " }\n");
950 }
951 print_function_name (file, "run", NULL, /* format name */
952 NULL, /* NO processor */
953 NULL, /* expanded bits */
954 function_name_prefix_engine);
955 lf_printf (file, " (sd, next_cpu_nr, nr_cpus, siggnal);\n");
956 lf_indent (file, -2);
957 lf_printf (file, "}\n");
958 }
959
960 /****************************************************************/
961
962 static gen_table *
963 do_gen (insn_table *isa, decode_table *decode_rules)
964 {
965 gen_table *gen;
966 if (decode_rules == NULL)
967 error (NULL, "Must specify a decode table\n");
968 if (isa == NULL)
969 error (NULL, "Must specify an instruction table\n");
970 if (decode_table_max_word_nr (decode_rules) > 0)
971 options.gen.multi_word = decode_table_max_word_nr (decode_rules);
972 gen = make_gen_tables (isa, decode_rules);
973 gen_tables_expand_insns (gen);
974 gen_tables_expand_semantics (gen);
975 return gen;
976 }
977
978 /****************************************************************/
979
980 igen_options options;
981
982 int
983 main (int argc, char **argv, char **envp)
984 {
985 cache_entry *cache_rules = NULL;
986 lf_file_references file_references = lf_include_references;
987 decode_table *decode_rules = NULL;
988 insn_table *isa = NULL;
989 gen_table *gen = NULL;
990 char *real_file_name = NULL;
991 int is_header = 0;
992 int ch;
993 lf *standard_out =
994 lf_open ("-", "stdout", lf_omit_references, lf_is_text, "igen");
995
996 INIT_OPTIONS ();
997
998 if (argc == 1)
999 {
1000 printf ("Usage:\n");
1001 printf ("\n");
1002 printf (" igen <config-opts> ... <input-opts>... <output-opts>...\n");
1003 printf ("\n");
1004 printf ("Config options:\n");
1005 printf ("\n");
1006 printf (" -B <bit-size>\n");
1007 printf ("\t Set the number of bits in an instruction (deprecated).\n");
1008 printf
1009 ("\t This option can now be set directly in the instruction table.\n");
1010 printf ("\n");
1011 printf (" -D <data-structure>\n");
1012 printf
1013 ("\t Dump the specified data structure to stdout. Valid structures include:\n");
1014 printf
1015 ("\t processor-names - list the names of all the processors (models)\n");
1016 printf ("\n");
1017 printf (" -F <filter-list>\n");
1018 printf
1019 ("\t Filter out any instructions with a non-empty flags field that contains\n");
1020 printf ("\t a flag not listed in the <filter-list>.\n");
1021 printf ("\n");
1022 printf (" -H <high-bit>\n");
1023 printf
1024 ("\t Set the number of the high (most significant) instruction bit (deprecated).\n");
1025 printf
1026 ("\t This option can now be set directly in the instruction table.\n");
1027 printf ("\n");
1028 printf (" -I <directory>\n");
1029 printf
1030 ("\t Add <directory> to the list of directories searched when opening a file\n");
1031 printf ("\n");
1032 printf (" -M <model-list>\n");
1033 printf
1034 ("\t Filter out any instructions that do not support at least one of the listed\n");
1035 printf
1036 ("\t models (An instructions with no model information is considered to support\n");
1037 printf ("\t all models.).\n");
1038 printf ("\n");
1039 printf (" -N <nr-cpus>\n");
1040 printf ("\t Generate a simulator supporting <nr-cpus>\n");
1041 printf
1042 ("\t Specify `-N 0' to disable generation of the SMP. Specifying `-N 1' will\n");
1043 printf
1044 ("\t still generate an SMP enabled simulator but will only support one CPU.\n");
1045 printf ("\n");
1046 printf (" -T <mechanism>\n");
1047 printf
1048 ("\t Override the decode mechanism specified by the decode rules\n");
1049 printf ("\n");
1050 printf (" -P <prefix>\n");
1051 printf
1052 ("\t Prepend global names (except itable) with the string <prefix>.\n");
1053 printf
1054 ("\t Specify -P <module>=<prefix> to set a specific <module>'s prefix.\n");
1055 printf ("\n");
1056 printf (" -S <suffix>\n");
1057 printf
1058 ("\t Replace a global name (suffix) (except itable) with the string <suffix>.\n");
1059 printf
1060 ("\t Specify -S <module>=<suffix> to change a specific <module>'s name (suffix).\n");
1061 printf ("\n");
1062 printf (" -Werror\n");
1063 printf ("\t Make warnings errors\n");
1064 printf (" -Wnodiscard\n");
1065 printf
1066 ("\t Suppress warnings about discarded functions and instructions\n");
1067 printf (" -Wnowidth\n");
1068 printf
1069 ("\t Suppress warnings about instructions with invalid widths\n");
1070 printf (" -Wnounimplemented\n");
1071 printf ("\t Suppress warnings about unimplemented instructions\n");
1072 printf ("\n");
1073 printf (" -G [!]<gen-option>\n");
1074 printf ("\t Any of the following options:\n");
1075 printf ("\n");
1076 printf
1077 ("\t decode-duplicate - Override the decode rules, forcing the duplication of\n");
1078 printf ("\t semantic functions\n");
1079 printf
1080 ("\t decode-combine - Combine any duplicated entries within a table\n");
1081 printf
1082 ("\t decode-zero-reserved - Override the decode rules, forcing reserved bits to be\n");
1083 printf ("\t treated as zero.\n");
1084 printf
1085 ("\t decode-switch-is-goto - Overfide the padded-switch code type as a goto-switch\n");
1086 printf ("\n");
1087 printf
1088 ("\t gen-conditional-issue - conditionally issue each instruction\n");
1089 printf
1090 ("\t gen-delayed-branch - need both cia and nia passed around\n");
1091 printf
1092 ("\t gen-direct-access - use #defines to directly access values\n");
1093 printf
1094 ("\t gen-zero-r<N> - arch assumes GPR(<N>) == 0, keep it that way\n");
1095 printf
1096 ("\t gen-icache[=<N> - generate an instruction cracking cache of size <N>\n");
1097 printf ("\t Default size is %d\n",
1098 options.gen.icache_size);
1099 printf
1100 ("\t gen-insn-in-icache - save original instruction when cracking\n");
1101 printf
1102 ("\t gen-multi-sim[=MODEL] - generate multiple simulators - one per model\n");
1103 printf
1104 ("\t If specified MODEL is made the default architecture.\n");
1105 printf
1106 ("\t By default, a single simulator that will\n");
1107 printf
1108 ("\t execute any instruction is generated\n");
1109 printf
1110 ("\t gen-multi-word - generate code allowing for multi-word insns\n");
1111 printf
1112 ("\t gen-semantic-icache - include semantic code in cracking functions\n");
1113 printf
1114 ("\t gen-slot-verification - perform slot verification as part of decode\n");
1115 printf ("\t gen-nia-invalid - NIA defaults to nia_invalid\n");
1116 printf ("\t gen-nia-void - do not compute/return NIA\n");
1117 printf ("\n");
1118 printf
1119 ("\t trace-combine - report combined entries a rule application\n");
1120 printf
1121 ("\t trace-entries - report entries after a rules application\n");
1122 printf ("\t trace-rule-rejection - report each rule as rejected\n");
1123 printf ("\t trace-rule-selection - report each rule as selected\n");
1124 printf
1125 ("\t trace-insn-insertion - report each instruction as it is inserted into a decode table\n");
1126 printf
1127 ("\t trace-rule-expansion - report each instruction as it is expanded (before insertion into a decode table)\n");
1128 printf ("\t trace-all - enable all trace options\n");
1129 printf ("\n");
1130 printf
1131 ("\t field-widths - instruction formats specify widths (deprecated)\n");
1132 printf
1133 ("\t By default, an instruction format specifies bit\n");
1134 printf ("\t positions\n");
1135 printf
1136 ("\t This option can now be set directly in the\n");
1137 printf ("\t instruction table\n");
1138 printf
1139 ("\t jumps - use jumps instead of function calls\n");
1140 printf
1141 ("\t omit-line-numbers - do not include line number information in the output\n");
1142 printf ("\n");
1143 printf ("Input options:\n");
1144 printf ("\n");
1145 printf (" -k <cache-rules> (deprecated)\n");
1146 printf (" -o <decode-rules>\n");
1147 printf (" -i <instruction-table>\n");
1148 printf ("\n");
1149 printf ("Output options:\n");
1150 printf ("\n");
1151 printf (" -x Perform expansion (required)\n");
1152 printf
1153 (" -n <real-name> Specify the real name of the next output file\n");
1154 printf
1155 (" -h Generate the header (.h) file rather than the body (.c)\n");
1156 printf (" -c <output-file> output icache\n");
1157 printf (" -d <output-file> output idecode\n");
1158 printf (" -e <output-file> output engine\n");
1159 printf (" -f <output-file> output support functions\n");
1160 printf (" -m <output-file> output model\n");
1161 printf (" -r <output-file> output multi-sim run\n");
1162 printf (" -s <output-file> output schematic\n");
1163 printf (" -t <output-file> output itable\n");
1164 }
1165
1166 while ((ch = getopt (argc, argv,
1167 "B:D:F:G:H:I:M:N:P:T:W:o:k:i:n:hc:d:e:m:r:s:t:f:x"))
1168 != -1)
1169 {
1170 fprintf (stderr, " -%c ", ch);
1171 if (optarg)
1172 fprintf (stderr, "%s ", optarg);
1173 fprintf (stderr, "\\\n");
1174
1175 switch (ch)
1176 {
1177
1178 case 'M':
1179 filter_parse (&options.model_filter, optarg);
1180 break;
1181
1182 case 'D':
1183 if (strcmp (optarg, "processor-names"))
1184 {
1185 char *processor;
1186 for (processor = filter_next (options.model_filter, "");
1187 processor != NULL;
1188 processor = filter_next (options.model_filter, processor))
1189 lf_printf (standard_out, "%s\n", processor);
1190 }
1191 else
1192 error (NULL, "Unknown data structure %s, not dumped\n", optarg);
1193 break;
1194
1195 case 'F':
1196 filter_parse (&options.flags_filter, optarg);
1197 break;
1198
1199 case 'I':
1200 {
1201 table_include **dir = &options.include;
1202 while ((*dir) != NULL)
1203 dir = &(*dir)->next;
1204 (*dir) = ZALLOC (table_include);
1205 (*dir)->dir = strdup (optarg);
1206 }
1207 break;
1208
1209 case 'B':
1210 options.insn_bit_size = a2i (optarg);
1211 if (options.insn_bit_size <= 0
1212 || options.insn_bit_size > max_insn_bit_size)
1213 {
1214 error (NULL, "Instruction bitsize must be in range 1..%d\n",
1215 max_insn_bit_size);
1216 }
1217 if (options.hi_bit_nr != options.insn_bit_size - 1
1218 && options.hi_bit_nr != 0)
1219 {
1220 error (NULL, "Conflict betweem hi-bit-nr and insn-bit-size\n");
1221 }
1222 break;
1223
1224 case 'H':
1225 options.hi_bit_nr = a2i (optarg);
1226 if (options.hi_bit_nr != options.insn_bit_size - 1
1227 && options.hi_bit_nr != 0)
1228 {
1229 error (NULL, "Conflict between hi-bit-nr and insn-bit-size\n");
1230 }
1231 break;
1232
1233 case 'N':
1234 options.gen.smp = a2i (optarg);
1235 break;
1236
1237 case 'P':
1238 case 'S':
1239 {
1240 igen_module *names;
1241 igen_name *name;
1242 char *chp;
1243 chp = strchr (optarg, '=');
1244 if (chp == NULL)
1245 {
1246 names = &options.module.global;
1247 chp = optarg;
1248 }
1249 else
1250 {
1251 chp = chp + 1; /* skip `=' */
1252 names = NULL;
1253 if (strncmp (optarg, "global=", chp - optarg) == 0)
1254 {
1255 names = &options.module.global;
1256 }
1257 if (strncmp (optarg, "engine=", chp - optarg) == 0)
1258 {
1259 names = &options.module.engine;
1260 }
1261 if (strncmp (optarg, "icache=", chp - optarg) == 0)
1262 {
1263 names = &options.module.icache;
1264 }
1265 if (strncmp (optarg, "idecode=", chp - optarg) == 0)
1266 {
1267 names = &options.module.idecode;
1268 }
1269 if (strncmp (optarg, "itable=", chp - optarg) == 0)
1270 {
1271 names = &options.module.itable;
1272 }
1273 if (strncmp (optarg, "semantics=", chp - optarg) == 0)
1274 {
1275 names = &options.module.semantics;
1276 }
1277 if (strncmp (optarg, "support=", chp - optarg) == 0)
1278 {
1279 names = &options.module.support;
1280 }
1281 if (names == NULL)
1282 {
1283 error (NULL, "Prefix `%s' unreconized\n", optarg);
1284 }
1285 }
1286 switch (ch)
1287 {
1288 case 'P':
1289 name = &names->prefix;
1290 break;
1291 case 'S':
1292 name = &names->suffix;
1293 break;
1294 default:
1295 abort (); /* Bad switch. */
1296 }
1297 name->u = strdup (chp);
1298 name->l = strdup (chp);
1299 chp = name->u;
1300 while (*chp)
1301 {
1302 if (islower (*chp))
1303 *chp = toupper (*chp);
1304 chp++;
1305 }
1306 if (name == &options.module.global.prefix)
1307 {
1308 options.module.engine.prefix = options.module.global.prefix;
1309 options.module.icache.prefix = options.module.global.prefix;
1310 options.module.idecode.prefix = options.module.global.prefix;
1311 /* options.module.itable.prefix = options.module.global.prefix; */
1312 options.module.semantics.prefix =
1313 options.module.global.prefix;
1314 options.module.support.prefix = options.module.global.prefix;
1315 }
1316 if (name == &options.module.global.suffix)
1317 {
1318 options.module.engine.suffix = options.module.global.suffix;
1319 options.module.icache.suffix = options.module.global.suffix;
1320 options.module.idecode.suffix = options.module.global.suffix;
1321 /* options.module.itable.suffix = options.module.global.suffix; */
1322 options.module.semantics.suffix =
1323 options.module.global.suffix;
1324 options.module.support.suffix = options.module.global.suffix;
1325 }
1326 break;
1327 }
1328
1329 case 'W':
1330 {
1331 if (strcmp (optarg, "error") == 0)
1332 options.warning = error;
1333 else if (strcmp (optarg, "nodiscard") == 0)
1334 options.warn.discard = 0;
1335 else if (strcmp (optarg, "discard") == 0)
1336 options.warn.discard = 1;
1337 else if (strcmp (optarg, "nowidth") == 0)
1338 options.warn.width = 0;
1339 else if (strcmp (optarg, "width") == 0)
1340 options.warn.width = 1;
1341 else if (strcmp (optarg, "nounimplemented") == 0)
1342 options.warn.unimplemented = 0;
1343 else if (strcmp (optarg, "unimplemented") == 0)
1344 options.warn.unimplemented = 1;
1345 else
1346 error (NULL, "Unknown -W argument `%s'\n", optarg);
1347 break;
1348 }
1349
1350
1351 case 'G':
1352 {
1353 int enable_p;
1354 char *argp;
1355 if (strncmp (optarg, "no-", strlen ("no-")) == 0)
1356 {
1357 argp = optarg + strlen ("no-");
1358 enable_p = 0;
1359 }
1360 else if (strncmp (optarg, "!", strlen ("!")) == 0)
1361 {
1362 argp = optarg + strlen ("no-");
1363 enable_p = 0;
1364 }
1365 else
1366 {
1367 argp = optarg;
1368 enable_p = 1;
1369 }
1370 if (strcmp (argp, "decode-duplicate") == 0)
1371 {
1372 options.decode.duplicate = enable_p;
1373 }
1374 else if (strcmp (argp, "decode-combine") == 0)
1375 {
1376 options.decode.combine = enable_p;
1377 }
1378 else if (strcmp (argp, "decode-zero-reserved") == 0)
1379 {
1380 options.decode.zero_reserved = enable_p;
1381 }
1382
1383 else if (strcmp (argp, "gen-conditional-issue") == 0)
1384 {
1385 options.gen.conditional_issue = enable_p;
1386 }
1387 else if (strcmp (argp, "conditional-issue") == 0)
1388 {
1389 options.gen.conditional_issue = enable_p;
1390 options.warning (NULL,
1391 "Option conditional-issue replaced by gen-conditional-issue\n");
1392 }
1393 else if (strcmp (argp, "gen-delayed-branch") == 0)
1394 {
1395 options.gen.delayed_branch = enable_p;
1396 }
1397 else if (strcmp (argp, "delayed-branch") == 0)
1398 {
1399 options.gen.delayed_branch = enable_p;
1400 options.warning (NULL,
1401 "Option delayed-branch replaced by gen-delayed-branch\n");
1402 }
1403 else if (strcmp (argp, "gen-direct-access") == 0)
1404 {
1405 options.gen.direct_access = enable_p;
1406 }
1407 else if (strcmp (argp, "direct-access") == 0)
1408 {
1409 options.gen.direct_access = enable_p;
1410 options.warning (NULL,
1411 "Option direct-access replaced by gen-direct-access\n");
1412 }
1413 else if (strncmp (argp, "gen-zero-r", strlen ("gen-zero-r")) == 0)
1414 {
1415 options.gen.zero_reg = enable_p;
1416 options.gen.zero_reg_nr = atoi (argp + strlen ("gen-zero-r"));
1417 }
1418 else if (strncmp (argp, "zero-r", strlen ("zero-r")) == 0)
1419 {
1420 options.gen.zero_reg = enable_p;
1421 options.gen.zero_reg_nr = atoi (argp + strlen ("zero-r"));
1422 options.warning (NULL,
1423 "Option zero-r<N> replaced by gen-zero-r<N>\n");
1424 }
1425 else if (strncmp (argp, "gen-icache", strlen ("gen-icache")) == 0)
1426 {
1427 switch (argp[strlen ("gen-icache")])
1428 {
1429 case '=':
1430 options.gen.icache_size =
1431 atoi (argp + strlen ("gen-icache") + 1);
1432 options.gen.icache = enable_p;
1433 break;
1434 case '\0':
1435 options.gen.icache = enable_p;
1436 break;
1437 default:
1438 error (NULL,
1439 "Expecting -Ggen-icache or -Ggen-icache=<N>\n");
1440 }
1441 }
1442 else if (strcmp (argp, "gen-insn-in-icache") == 0)
1443 {
1444 options.gen.insn_in_icache = enable_p;
1445 }
1446 else if (strncmp (argp, "gen-multi-sim", strlen ("gen-multi-sim"))
1447 == 0)
1448 {
1449 char *arg = &argp[strlen ("gen-multi-sim")];
1450 switch (arg[0])
1451 {
1452 case '=':
1453 options.gen.multi_sim = enable_p;
1454 options.gen.default_model = arg + 1;
1455 if (!filter_is_member
1456 (options.model_filter, options.gen.default_model))
1457 error (NULL, "multi-sim model %s unknown\n",
1458 options.gen.default_model);
1459 break;
1460 case '\0':
1461 options.gen.multi_sim = enable_p;
1462 options.gen.default_model = NULL;
1463 break;
1464 default:
1465 error (NULL,
1466 "Expecting -Ggen-multi-sim or -Ggen-multi-sim=<MODEL>\n");
1467 break;
1468 }
1469 }
1470 else if (strcmp (argp, "gen-multi-word") == 0)
1471 {
1472 options.gen.multi_word = enable_p;
1473 }
1474 else if (strcmp (argp, "gen-semantic-icache") == 0)
1475 {
1476 options.gen.semantic_icache = enable_p;
1477 }
1478 else if (strcmp (argp, "gen-slot-verification") == 0)
1479 {
1480 options.gen.slot_verification = enable_p;
1481 }
1482 else if (strcmp (argp, "verify-slot") == 0)
1483 {
1484 options.gen.slot_verification = enable_p;
1485 options.warning (NULL,
1486 "Option verify-slot replaced by gen-slot-verification\n");
1487 }
1488 else if (strcmp (argp, "gen-nia-invalid") == 0)
1489 {
1490 options.gen.nia = nia_is_invalid;
1491 }
1492 else if (strcmp (argp, "default-nia-minus-one") == 0)
1493 {
1494 options.gen.nia = nia_is_invalid;
1495 options.warning (NULL,
1496 "Option default-nia-minus-one replaced by gen-nia-invalid\n");
1497 }
1498 else if (strcmp (argp, "gen-nia-void") == 0)
1499 {
1500 options.gen.nia = nia_is_void;
1501 }
1502 else if (strcmp (argp, "trace-all") == 0)
1503 {
1504 memset (&options.trace, enable_p, sizeof (options.trace));
1505 }
1506 else if (strcmp (argp, "trace-combine") == 0)
1507 {
1508 options.trace.combine = enable_p;
1509 }
1510 else if (strcmp (argp, "trace-entries") == 0)
1511 {
1512 options.trace.entries = enable_p;
1513 }
1514 else if (strcmp (argp, "trace-rule-rejection") == 0)
1515 {
1516 options.trace.rule_rejection = enable_p;
1517 }
1518 else if (strcmp (argp, "trace-rule-selection") == 0)
1519 {
1520 options.trace.rule_selection = enable_p;
1521 }
1522 else if (strcmp (argp, "trace-insn-insertion") == 0)
1523 {
1524 options.trace.insn_insertion = enable_p;
1525 }
1526 else if (strcmp (argp, "trace-insn-expansion") == 0)
1527 {
1528 options.trace.insn_expansion = enable_p;
1529 }
1530 else if (strcmp (argp, "jumps") == 0)
1531 {
1532 options.gen.code = generate_jumps;
1533 }
1534 else if (strcmp (argp, "field-widths") == 0)
1535 {
1536 options.insn_specifying_widths = enable_p;
1537 }
1538 else if (strcmp (argp, "omit-line-numbers") == 0)
1539 {
1540 file_references = lf_omit_references;
1541 }
1542 else
1543 {
1544 error (NULL, "Unknown option %s\n", optarg);
1545 }
1546 break;
1547 }
1548
1549 case 'i':
1550 isa = load_insn_table (optarg, cache_rules);
1551 if (isa->illegal_insn == NULL)
1552 error (NULL, "illegal-instruction missing from insn table\n");
1553 break;
1554
1555 case 'x':
1556 gen = do_gen (isa, decode_rules);
1557 break;
1558
1559 case 'o':
1560 decode_rules = load_decode_table (optarg);
1561 break;
1562
1563 case 'k':
1564 if (isa != NULL)
1565 error (NULL, "Cache file must appear before the insn file\n");
1566 cache_rules = load_cache_table (optarg);
1567 break;
1568
1569 case 'n':
1570 real_file_name = strdup (optarg);
1571 break;
1572
1573 case 'h':
1574 is_header = 1;
1575 break;
1576
1577 case 'c':
1578 case 'd':
1579 case 'e':
1580 case 'f':
1581 case 'm':
1582 case 'r':
1583 case 's':
1584 case 't':
1585 {
1586 lf *file = lf_open (optarg, real_file_name, file_references,
1587 (is_header ? lf_is_h : lf_is_c),
1588 argv[0]);
1589 if (gen == NULL && ch != 't' && ch != 'm' && ch != 'f')
1590 {
1591 options.warning (NULL,
1592 "Explicitly generate tables with -x option\n");
1593 gen = do_gen (isa, decode_rules);
1594 }
1595 lf_print__file_start (file);
1596 switch (ch)
1597 {
1598 case 'm':
1599 if (is_header)
1600 gen_model_h (file, isa);
1601 else
1602 gen_model_c (file, isa);
1603 break;
1604 case 't':
1605 if (is_header)
1606 gen_itable_h (file, isa);
1607 else
1608 gen_itable_c (file, isa);
1609 break;
1610 case 'f':
1611 if (is_header)
1612 gen_support_h (file, isa);
1613 else
1614 gen_support_c (file, isa);
1615 break;
1616 case 'r':
1617 if (is_header)
1618 options.warning (NULL, "-hr option ignored\n");
1619 else
1620 gen_run_c (file, gen);
1621 break;
1622 case 's':
1623 if (is_header)
1624 gen_semantics_h (file, gen->semantics, isa->max_nr_words);
1625 else
1626 gen_semantics_c (file, gen->semantics, isa->caches);
1627 break;
1628 case 'd':
1629 if (is_header)
1630 gen_idecode_h (file, gen, isa, cache_rules);
1631 else
1632 gen_idecode_c (file, gen, isa, cache_rules);
1633 break;
1634 case 'e':
1635 if (is_header)
1636 gen_engine_h (file, gen, isa, cache_rules);
1637 else
1638 gen_engine_c (file, gen, isa, cache_rules);
1639 break;
1640 case 'c':
1641 if (is_header)
1642 gen_icache_h (file,
1643 gen->semantics,
1644 isa->functions, isa->max_nr_words);
1645 else
1646 gen_icache_c (file,
1647 gen->semantics, isa->functions, cache_rules);
1648 break;
1649 }
1650 lf_print__file_finish (file);
1651 lf_close (file);
1652 is_header = 0;
1653 }
1654 real_file_name = NULL;
1655 break;
1656 default:
1657 ERROR ("Bad switch");
1658 }
1659 }
1660 return (0);
1661 }
GDB Binutils - Deliverables
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