Commit | Line | Data |
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feaee4bd AC |
1 | /* The IGEN simulator generator for GDB, the GNU Debugger. |
2 | ||
6aba47ca | 3 | Copyright 2002, 2007 Free Software Foundation, Inc. |
feaee4bd AC |
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 2 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, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
23 | |
24 | ||
25 | #include "misc.h" | |
26 | #include "lf.h" | |
27 | #include "table.h" | |
28 | ||
29 | #include "filter.h" | |
30 | ||
31 | #include "ld-decode.h" | |
32 | #include "ld-insn.h" | |
33 | ||
34 | #include "gen-model.h" | |
35 | ||
36 | #ifndef NULL | |
37 | #define NULL 0 | |
38 | #endif | |
39 | ||
40 | ||
41 | #if 0 | |
42 | static void | |
4e0bf4c4 | 43 | model_c_or_h_data (insn_table *table, lf *file, table_entry *data) |
c906108c | 44 | { |
4e0bf4c4 AC |
45 | if (data->annex) |
46 | { | |
47 | table_entry_print_cpp_line_nr (file, data->annex_line); | |
48 | lf_print__c_code (file, data->annex); | |
49 | lf_print__internal_reference (file); | |
50 | lf_printf (file, "\n"); | |
51 | } | |
c906108c SS |
52 | } |
53 | ||
54 | static void | |
4e0bf4c4 AC |
55 | model_c_or_h_function (insn_table *entry, |
56 | lf *file, table_entry *function, char *prefix) | |
c906108c SS |
57 | { |
58 | if (function->fields[function_type] == NULL | |
4e0bf4c4 AC |
59 | || function->fields[function_type][0] == '\0') |
60 | { | |
61 | error ("Model function type not specified for %s", | |
62 | function->fields[function_name]); | |
63 | } | |
64 | lf_printf (file, "\n"); | |
65 | lf_print_function_type (file, function->fields[function_type], prefix, " "); | |
66 | lf_printf (file, "%s\n(%s);\n", | |
67 | function->fields[function_name], | |
68 | function->fields[function_param]); | |
69 | lf_printf (file, "\n"); | |
c906108c SS |
70 | } |
71 | ||
4e0bf4c4 AC |
72 | void |
73 | gen_model_h (insn_table *table, lf *file) | |
c906108c SS |
74 | { |
75 | insn *insn_ptr; | |
76 | model *model_ptr; | |
77 | insn *macro; | |
78 | char *name; | |
79 | int model_create_p = 0; | |
80 | int model_init_p = 0; | |
81 | int model_halt_p = 0; | |
82 | int model_mon_info_p = 0; | |
83 | int model_mon_info_free_p = 0; | |
84 | ||
4e0bf4c4 AC |
85 | for (macro = model_macros; macro; macro = macro->next) |
86 | { | |
87 | model_c_or_h_data (table, file, macro->file_entry); | |
88 | } | |
89 | ||
90 | lf_printf (file, "typedef enum _model_enum {\n"); | |
91 | lf_printf (file, " MODEL_NONE,\n"); | |
92 | for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) | |
93 | { | |
94 | lf_printf (file, " MODEL_%s,\n", model_ptr->name); | |
95 | } | |
96 | lf_printf (file, " nr_models\n"); | |
97 | lf_printf (file, "} model_enum;\n"); | |
98 | lf_printf (file, "\n"); | |
99 | ||
100 | lf_printf (file, "#define DEFAULT_MODEL MODEL_%s\n", | |
101 | (models) ? models->name : "NONE"); | |
102 | lf_printf (file, "\n"); | |
103 | ||
104 | lf_printf (file, "typedef struct _model_data model_data;\n"); | |
105 | lf_printf (file, "typedef struct _model_time model_time;\n"); | |
106 | lf_printf (file, "\n"); | |
107 | ||
108 | lf_printf (file, "extern model_enum current_model;\n"); | |
109 | lf_printf (file, "extern const char *model_name[ (int)nr_models ];\n"); | |
110 | lf_printf (file, | |
111 | "extern const char *const *const model_func_unit_name[ (int)nr_models ];\n"); | |
112 | lf_printf (file, | |
113 | "extern const model_time *const model_time_mapping[ (int)nr_models ];\n"); | |
114 | lf_printf (file, "\n"); | |
115 | ||
116 | for (insn_ptr = model_functions; insn_ptr; insn_ptr = insn_ptr->next) | |
117 | { | |
118 | model_c_or_h_function (table, file, insn_ptr->file_entry, | |
119 | "INLINE_MODEL"); | |
120 | name = insn_ptr->file_entry->fields[function_name]; | |
121 | if (strcmp (name, "model_create") == 0) | |
122 | model_create_p = 1; | |
123 | else if (strcmp (name, "model_init") == 0) | |
124 | model_init_p = 1; | |
125 | else if (strcmp (name, "model_halt") == 0) | |
126 | model_halt_p = 1; | |
127 | else if (strcmp (name, "model_mon_info") == 0) | |
128 | model_mon_info_p = 1; | |
129 | else if (strcmp (name, "model_mon_info_free") == 0) | |
130 | model_mon_info_free_p = 1; | |
131 | } | |
132 | ||
133 | if (!model_create_p) | |
134 | { | |
135 | lf_print_function_type (file, "model_data *", "INLINE_MODEL", " "); | |
136 | lf_printf (file, "model_create\n"); | |
137 | lf_printf (file, "(sim_cpu *cpu);\n"); | |
138 | lf_printf (file, "\n"); | |
139 | } | |
140 | ||
141 | if (!model_init_p) | |
142 | { | |
143 | lf_print_function_type (file, "void", "INLINE_MODEL", " "); | |
144 | lf_printf (file, "model_init\n"); | |
145 | lf_printf (file, "(model_data *model_ptr);\n"); | |
146 | lf_printf (file, "\n"); | |
147 | } | |
148 | ||
149 | if (!model_halt_p) | |
150 | { | |
151 | lf_print_function_type (file, "void", "INLINE_MODEL", " "); | |
152 | lf_printf (file, "model_halt\n"); | |
153 | lf_printf (file, "(model_data *model_ptr);\n"); | |
154 | lf_printf (file, "\n"); | |
155 | } | |
156 | ||
157 | if (!model_mon_info_p) | |
158 | { | |
159 | lf_print_function_type (file, "model_print *", "INLINE_MODEL", " "); | |
160 | lf_printf (file, "model_mon_info\n"); | |
161 | lf_printf (file, "(model_data *model_ptr);\n"); | |
162 | lf_printf (file, "\n"); | |
163 | } | |
164 | ||
165 | if (!model_mon_info_free_p) | |
166 | { | |
167 | lf_print_function_type (file, "void", "INLINE_MODEL", " "); | |
168 | lf_printf (file, "model_mon_info_free\n"); | |
169 | lf_printf (file, "(model_data *model_ptr,\n"); | |
170 | lf_printf (file, " model_print *info_ptr);\n"); | |
171 | lf_printf (file, "\n"); | |
172 | } | |
173 | ||
174 | lf_print_function_type (file, "void", "INLINE_MODEL", " "); | |
175 | lf_printf (file, "model_set\n"); | |
176 | lf_printf (file, "(const char *name);\n"); | |
c906108c SS |
177 | } |
178 | ||
179 | /****************************************************************/ | |
180 | ||
181 | typedef struct _model_c_passed_data model_c_passed_data; | |
4e0bf4c4 AC |
182 | struct _model_c_passed_data |
183 | { | |
c906108c SS |
184 | lf *file; |
185 | model *model_ptr; | |
186 | }; | |
187 | ||
188 | static void | |
4e0bf4c4 AC |
189 | model_c_insn (insn_table *entry, |
190 | lf *phony_file, void *data, insn * instruction, int depth) | |
c906108c | 191 | { |
4e0bf4c4 | 192 | model_c_passed_data *data_ptr = (model_c_passed_data *) data; |
c906108c SS |
193 | lf *file = data_ptr->file; |
194 | char *current_name = data_ptr->model_ptr->printable_name; | |
195 | table_model_entry *model_ptr = instruction->file_entry->model_first; | |
196 | ||
4e0bf4c4 AC |
197 | while (model_ptr) |
198 | { | |
199 | if (model_ptr->fields[insn_model_name] == current_name) | |
200 | { | |
201 | lf_printf (file, " { %-*s }, /* %s */\n", | |
202 | max_model_fields_len, | |
203 | model_ptr->fields[insn_model_fields], | |
204 | instruction->file_entry->fields[insn_name]); | |
205 | return; | |
206 | } | |
207 | ||
208 | model_ptr = model_ptr->next; | |
c906108c SS |
209 | } |
210 | ||
4e0bf4c4 AC |
211 | lf_printf (file, " { %-*s }, /* %s */\n", |
212 | max_model_fields_len, | |
213 | data_ptr->model_ptr->insn_default, | |
214 | instruction->file_entry->fields[insn_name]); | |
c906108c SS |
215 | } |
216 | ||
217 | static void | |
4e0bf4c4 AC |
218 | model_c_function (insn_table *table, |
219 | lf *file, table_entry *function, const char *prefix) | |
c906108c SS |
220 | { |
221 | if (function->fields[function_type] == NULL | |
222 | || function->fields[function_type][0] == '\0') | |
223 | { | |
4e0bf4c4 AC |
224 | error ("Model function return type not specified for %s", |
225 | function->fields[function_name]); | |
c906108c SS |
226 | } |
227 | else | |
228 | { | |
4e0bf4c4 AC |
229 | lf_printf (file, "\n"); |
230 | lf_print_function_type (file, function->fields[function_type], prefix, | |
231 | "\n"); | |
232 | lf_printf (file, "%s(%s)\n", function->fields[function_name], | |
233 | function->fields[function_param]); | |
c906108c | 234 | } |
4e0bf4c4 | 235 | lf_printf (file, "{\n"); |
c906108c SS |
236 | if (function->annex) |
237 | { | |
4e0bf4c4 AC |
238 | lf_indent (file, +2); |
239 | table_entry_print_cpp_line_nr (file, function->annex_line); | |
240 | lf_print__c_code (file, function->annex); | |
241 | lf_indent (file, -2); | |
c906108c | 242 | } |
4e0bf4c4 AC |
243 | lf_printf (file, "}\n"); |
244 | lf_print__internal_reference (file); | |
245 | lf_printf (file, "\n"); | |
c906108c SS |
246 | } |
247 | ||
4e0bf4c4 AC |
248 | void |
249 | gen_model_c (insn_table *table, lf *file) | |
c906108c SS |
250 | { |
251 | insn *insn_ptr; | |
252 | model *model_ptr; | |
253 | char *name; | |
254 | int model_create_p = 0; | |
255 | int model_init_p = 0; | |
256 | int model_halt_p = 0; | |
257 | int model_mon_info_p = 0; | |
258 | int model_mon_info_free_p = 0; | |
259 | ||
4e0bf4c4 AC |
260 | lf_printf (file, "\n"); |
261 | lf_printf (file, "#include \"cpu.h\"\n"); | |
262 | lf_printf (file, "#include \"mon.h\"\n"); | |
263 | lf_printf (file, "\n"); | |
264 | lf_printf (file, "#ifdef HAVE_STDLIB_H\n"); | |
265 | lf_printf (file, "#include <stdlib.h>\n"); | |
266 | lf_printf (file, "#endif\n"); | |
267 | lf_printf (file, "\n"); | |
268 | ||
269 | for (insn_ptr = model_data; insn_ptr; insn_ptr = insn_ptr->next) | |
270 | { | |
271 | model_c_or_h_data (table, file, insn_ptr->file_entry); | |
272 | } | |
273 | ||
274 | for (insn_ptr = model_static; insn_ptr; insn_ptr = insn_ptr->next) | |
275 | { | |
276 | model_c_or_h_function (table, file, insn_ptr->file_entry, | |
277 | "/*h*/STATIC"); | |
278 | } | |
279 | ||
280 | for (insn_ptr = model_internal; insn_ptr; insn_ptr = insn_ptr->next) | |
281 | { | |
282 | model_c_or_h_function (table, file, insn_ptr->file_entry, | |
283 | "STATIC_INLINE_MODEL"); | |
284 | } | |
285 | ||
286 | for (insn_ptr = model_static; insn_ptr; insn_ptr = insn_ptr->next) | |
287 | { | |
288 | model_c_function (table, file, insn_ptr->file_entry, "/*c*/STATIC"); | |
289 | } | |
290 | ||
291 | for (insn_ptr = model_internal; insn_ptr; insn_ptr = insn_ptr->next) | |
292 | { | |
293 | model_c_function (table, file, insn_ptr->file_entry, | |
294 | "STATIC_INLINE_MODEL"); | |
295 | } | |
296 | ||
297 | for (insn_ptr = model_functions; insn_ptr; insn_ptr = insn_ptr->next) | |
298 | { | |
299 | model_c_function (table, file, insn_ptr->file_entry, "INLINE_MODEL"); | |
300 | name = insn_ptr->file_entry->fields[function_name]; | |
301 | if (strcmp (name, "model_create") == 0) | |
302 | model_create_p = 1; | |
303 | else if (strcmp (name, "model_init") == 0) | |
304 | model_init_p = 1; | |
305 | else if (strcmp (name, "model_halt") == 0) | |
306 | model_halt_p = 1; | |
307 | else if (strcmp (name, "model_mon_info") == 0) | |
308 | model_mon_info_p = 1; | |
309 | else if (strcmp (name, "model_mon_info_free") == 0) | |
310 | model_mon_info_free_p = 1; | |
311 | } | |
312 | ||
313 | if (!model_create_p) | |
314 | { | |
315 | lf_print_function_type (file, "model_data *", "INLINE_MODEL", "\n"); | |
316 | lf_printf (file, "model_create(sim_cpu *cpu)\n"); | |
317 | lf_printf (file, "{\n"); | |
318 | lf_printf (file, " return (model_data *)0;\n"); | |
319 | lf_printf (file, "}\n"); | |
320 | lf_printf (file, "\n"); | |
321 | } | |
322 | ||
323 | if (!model_init_p) | |
324 | { | |
325 | lf_print_function_type (file, "void", "INLINE_MODEL", "\n"); | |
326 | lf_printf (file, "model_init(model_data *model_ptr)\n"); | |
327 | lf_printf (file, "{\n"); | |
328 | lf_printf (file, "}\n"); | |
329 | lf_printf (file, "\n"); | |
330 | } | |
331 | ||
332 | if (!model_halt_p) | |
333 | { | |
334 | lf_print_function_type (file, "void", "INLINE_MODEL", "\n"); | |
335 | lf_printf (file, "model_halt(model_data *model_ptr)\n"); | |
336 | lf_printf (file, "{\n"); | |
337 | lf_printf (file, "}\n"); | |
338 | lf_printf (file, "\n"); | |
339 | } | |
340 | ||
341 | if (!model_mon_info_p) | |
342 | { | |
343 | lf_print_function_type (file, "model_print *", "INLINE_MODEL", "\n"); | |
344 | lf_printf (file, "model_mon_info(model_data *model_ptr)\n"); | |
345 | lf_printf (file, "{\n"); | |
346 | lf_printf (file, " return (model_print *)0;\n"); | |
347 | lf_printf (file, "}\n"); | |
348 | lf_printf (file, "\n"); | |
349 | } | |
350 | ||
351 | if (!model_mon_info_free_p) | |
352 | { | |
353 | lf_print_function_type (file, "void", "INLINE_MODEL", "\n"); | |
354 | lf_printf (file, "model_mon_info_free(model_data *model_ptr,\n"); | |
355 | lf_printf (file, " model_print *info_ptr)\n"); | |
356 | lf_printf (file, "{\n"); | |
357 | lf_printf (file, "}\n"); | |
358 | lf_printf (file, "\n"); | |
359 | } | |
360 | ||
361 | lf_printf (file, "/* Insn functional unit info */\n"); | |
362 | for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) | |
363 | { | |
364 | model_c_passed_data data; | |
365 | ||
366 | lf_printf (file, "static const model_time model_time_%s[] = {\n", | |
367 | model_ptr->name); | |
368 | data.file = file; | |
369 | data.model_ptr = model_ptr; | |
370 | insn_table_traverse_insn (table, NULL, (void *) &data, model_c_insn); | |
371 | ||
372 | lf_printf (file, "};\n"); | |
373 | lf_printf (file, "\n"); | |
374 | lf_printf (file, "\f\n"); | |
375 | } | |
376 | ||
377 | lf_printf (file, "#ifndef _INLINE_C_\n"); | |
378 | lf_printf (file, | |
379 | "const model_time *const model_time_mapping[ (int)nr_models ] = {\n"); | |
380 | lf_printf (file, " (const model_time *const)0,\n"); | |
381 | for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) | |
382 | { | |
383 | lf_printf (file, " model_time_%s,\n", model_ptr->name); | |
384 | } | |
385 | lf_printf (file, "};\n"); | |
386 | lf_printf (file, "#endif\n"); | |
387 | lf_printf (file, "\n"); | |
388 | ||
389 | lf_printf (file, "\f\n"); | |
390 | lf_printf (file, "/* map model enumeration into printable string */\n"); | |
391 | lf_printf (file, "#ifndef _INLINE_C_\n"); | |
392 | lf_printf (file, "const char *model_name[ (int)nr_models ] = {\n"); | |
393 | lf_printf (file, " \"NONE\",\n"); | |
394 | for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) | |
395 | { | |
396 | lf_printf (file, " \"%s\",\n", model_ptr->printable_name); | |
397 | } | |
398 | lf_printf (file, "};\n"); | |
399 | lf_printf (file, "#endif\n"); | |
400 | lf_printf (file, "\n"); | |
401 | ||
402 | lf_print_function_type (file, "void", "INLINE_MODEL", "\n"); | |
403 | lf_printf (file, "model_set(const char *name)\n"); | |
404 | lf_printf (file, "{\n"); | |
405 | if (models) | |
406 | { | |
407 | lf_printf (file, " model_enum model;\n"); | |
408 | lf_printf (file, | |
409 | " for(model = MODEL_%s; model < nr_models; model++) {\n", | |
410 | models->name); | |
411 | lf_printf (file, " if(strcmp(name, model_name[model]) == 0) {\n"); | |
412 | lf_printf (file, " current_model = model;\n"); | |
413 | lf_printf (file, " return;\n"); | |
414 | lf_printf (file, " }\n"); | |
415 | lf_printf (file, " }\n"); | |
416 | lf_printf (file, "\n"); | |
417 | lf_printf (file, | |
418 | " error(\"Unknown model '%%s', Models which are known are:%%s\n\",\n"); | |
419 | lf_printf (file, " name,\n"); | |
420 | lf_printf (file, " \""); | |
421 | for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) | |
422 | { | |
423 | lf_printf (file, "\\n\\t%s", model_ptr->printable_name); | |
424 | } | |
425 | lf_printf (file, "\");\n"); | |
426 | } | |
427 | else | |
428 | { | |
429 | lf_printf (file, " error(\"No models are currently known about\");\n"); | |
c906108c | 430 | } |
c906108c | 431 | |
4e0bf4c4 | 432 | lf_printf (file, "}\n"); |
c906108c SS |
433 | } |
434 | ||
435 | #endif | |
436 | ||
437 | ||
438 | ||
439 | void | |
4e0bf4c4 | 440 | gen_model_h (lf *file, insn_table *table) |
c906108c SS |
441 | { |
442 | lf_print__this_file_is_empty (file, "suffering bit rot"); | |
443 | } | |
444 | ||
445 | ||
446 | void | |
4e0bf4c4 | 447 | gen_model_c (lf *file, insn_table *table) |
c906108c SS |
448 | { |
449 | lf_print__this_file_is_empty (file, "suffering bit rot"); | |
450 | } |