1 /* Common hooks for Blackfin.
2 Copyright (C) 2005-2016 Free Software Foundation, Inc.
3
4 This file is part of GCC.
5
6 GCC is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published
8 by the Free Software Foundation; either version 3, or (at your
9 option) any later version.
10
11 GCC is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
14 License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
19
20 #include "config.h"
21 #include "system.h"
22 #include "coretypes.h"
23 #include "diagnostic-core.h"
24 #include "tm.h"
25 #include "tm_p.h"
26 #include "common/common-target.h"
27 #include "common/common-target-def.h"
28 #include "opts.h"
29 #include "flags.h"
30
31 EXPORTED_CONST struct bfin_cpu bfin_cpus[] =
32 {
33
34 {"bf512", BFIN_CPU_BF512, 0x0002,
35 WA_SPECULATIVE_LOADS | WA_05000074},
36 {"bf512", BFIN_CPU_BF512, 0x0001,
37 WA_SPECULATIVE_LOADS | WA_05000074},
38 {"bf512", BFIN_CPU_BF512, 0x0000,
39 WA_SPECULATIVE_LOADS | WA_05000074},
40
41 {"bf514", BFIN_CPU_BF514, 0x0002,
42 WA_SPECULATIVE_LOADS | WA_05000074},
43 {"bf514", BFIN_CPU_BF514, 0x0001,
44 WA_SPECULATIVE_LOADS | WA_05000074},
45 {"bf514", BFIN_CPU_BF514, 0x0000,
46 WA_SPECULATIVE_LOADS | WA_05000074},
47
48 {"bf516", BFIN_CPU_BF516, 0x0002,
49 WA_SPECULATIVE_LOADS | WA_05000074},
50 {"bf516", BFIN_CPU_BF516, 0x0001,
51 WA_SPECULATIVE_LOADS | WA_05000074},
52 {"bf516", BFIN_CPU_BF516, 0x0000,
53 WA_SPECULATIVE_LOADS | WA_05000074},
54
55 {"bf518", BFIN_CPU_BF518, 0x0002,
56 WA_SPECULATIVE_LOADS | WA_05000074},
57 {"bf518", BFIN_CPU_BF518, 0x0001,
58 WA_SPECULATIVE_LOADS | WA_05000074},
59 {"bf518", BFIN_CPU_BF518, 0x0000,
60 WA_SPECULATIVE_LOADS | WA_05000074},
61
62 {"bf522", BFIN_CPU_BF522, 0x0002,
63 WA_SPECULATIVE_LOADS | WA_05000074},
64 {"bf522", BFIN_CPU_BF522, 0x0001,
65 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
66 {"bf522", BFIN_CPU_BF522, 0x0000,
67 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
68
69 {"bf523", BFIN_CPU_BF523, 0x0002,
70 WA_SPECULATIVE_LOADS | WA_05000074},
71 {"bf523", BFIN_CPU_BF523, 0x0001,
72 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
73 {"bf523", BFIN_CPU_BF523, 0x0000,
74 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
75
76 {"bf524", BFIN_CPU_BF524, 0x0002,
77 WA_SPECULATIVE_LOADS | WA_05000074},
78 {"bf524", BFIN_CPU_BF524, 0x0001,
79 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
80 {"bf524", BFIN_CPU_BF524, 0x0000,
81 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
82
83 {"bf525", BFIN_CPU_BF525, 0x0002,
84 WA_SPECULATIVE_LOADS | WA_05000074},
85 {"bf525", BFIN_CPU_BF525, 0x0001,
86 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
87 {"bf525", BFIN_CPU_BF525, 0x0000,
88 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
89
90 {"bf526", BFIN_CPU_BF526, 0x0002,
91 WA_SPECULATIVE_LOADS | WA_05000074},
92 {"bf526", BFIN_CPU_BF526, 0x0001,
93 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
94 {"bf526", BFIN_CPU_BF526, 0x0000,
95 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
96
97 {"bf527", BFIN_CPU_BF527, 0x0002,
98 WA_SPECULATIVE_LOADS | WA_05000074},
99 {"bf527", BFIN_CPU_BF527, 0x0001,
100 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
101 {"bf527", BFIN_CPU_BF527, 0x0000,
102 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
103
104 {"bf531", BFIN_CPU_BF531, 0x0006,
105 WA_SPECULATIVE_LOADS | WA_LOAD_LCREGS | WA_05000074},
106 {"bf531", BFIN_CPU_BF531, 0x0005,
107 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000283 | WA_05000315
108 | WA_LOAD_LCREGS | WA_05000074},
109 {"bf531", BFIN_CPU_BF531, 0x0004,
110 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
111 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
112 | WA_05000074},
113 {"bf531", BFIN_CPU_BF531, 0x0003,
114 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
115 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
116 | WA_05000074},
117
118 {"bf532", BFIN_CPU_BF532, 0x0006,
119 WA_SPECULATIVE_LOADS | WA_LOAD_LCREGS | WA_05000074},
120 {"bf532", BFIN_CPU_BF532, 0x0005,
121 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000283 | WA_05000315
122 | WA_LOAD_LCREGS | WA_05000074},
123 {"bf532", BFIN_CPU_BF532, 0x0004,
124 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
125 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
126 | WA_05000074},
127 {"bf532", BFIN_CPU_BF532, 0x0003,
128 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
129 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
130 | WA_05000074},
131
132 {"bf533", BFIN_CPU_BF533, 0x0006,
133 WA_SPECULATIVE_LOADS | WA_LOAD_LCREGS | WA_05000074},
134 {"bf533", BFIN_CPU_BF533, 0x0005,
135 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000283 | WA_05000315
136 | WA_LOAD_LCREGS | WA_05000074},
137 {"bf533", BFIN_CPU_BF533, 0x0004,
138 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
139 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
140 | WA_05000074},
141 {"bf533", BFIN_CPU_BF533, 0x0003,
142 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
143 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
144 | WA_05000074},
145
146 {"bf534", BFIN_CPU_BF534, 0x0003,
147 WA_SPECULATIVE_LOADS | WA_RETS | WA_LOAD_LCREGS | WA_05000074},
148 {"bf534", BFIN_CPU_BF534, 0x0002,
149 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
150 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
151 | WA_05000074},
152 {"bf534", BFIN_CPU_BF534, 0x0001,
153 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
154 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
155 | WA_05000074},
156
157 {"bf536", BFIN_CPU_BF536, 0x0003,
158 WA_SPECULATIVE_LOADS | WA_RETS | WA_LOAD_LCREGS | WA_05000074},
159 {"bf536", BFIN_CPU_BF536, 0x0002,
160 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
161 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
162 | WA_05000074},
163 {"bf536", BFIN_CPU_BF536, 0x0001,
164 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
165 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
166 | WA_05000074},
167
168 {"bf537", BFIN_CPU_BF537, 0x0003,
169 WA_SPECULATIVE_LOADS | WA_RETS | WA_LOAD_LCREGS | WA_05000074},
170 {"bf537", BFIN_CPU_BF537, 0x0002,
171 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
172 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
173 | WA_05000074},
174 {"bf537", BFIN_CPU_BF537, 0x0001,
175 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
176 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
177 | WA_05000074},
178
179 {"bf538", BFIN_CPU_BF538, 0x0005,
180 WA_SPECULATIVE_LOADS | WA_LOAD_LCREGS | WA_05000074},
181 {"bf538", BFIN_CPU_BF538, 0x0004,
182 WA_SPECULATIVE_LOADS | WA_RETS | WA_LOAD_LCREGS | WA_05000074},
183 {"bf538", BFIN_CPU_BF538, 0x0003,
184 WA_SPECULATIVE_LOADS | WA_RETS
185 | WA_05000283 | WA_05000315 | WA_LOAD_LCREGS | WA_05000074},
186 {"bf538", BFIN_CPU_BF538, 0x0002,
187 WA_SPECULATIVE_LOADS | WA_RETS
188 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
189 | WA_05000074},
190
191 {"bf539", BFIN_CPU_BF539, 0x0005,
192 WA_SPECULATIVE_LOADS | WA_LOAD_LCREGS | WA_05000074},
193 {"bf539", BFIN_CPU_BF539, 0x0004,
194 WA_SPECULATIVE_LOADS | WA_RETS | WA_LOAD_LCREGS | WA_05000074},
195 {"bf539", BFIN_CPU_BF539, 0x0003,
196 WA_SPECULATIVE_LOADS | WA_RETS
197 | WA_05000283 | WA_05000315 | WA_LOAD_LCREGS | WA_05000074},
198 {"bf539", BFIN_CPU_BF539, 0x0002,
199 WA_SPECULATIVE_LOADS | WA_RETS
200 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
201 | WA_05000074},
202
203 {"bf542m", BFIN_CPU_BF542M, 0x0003,
204 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
205
206 {"bf542", BFIN_CPU_BF542, 0x0004,
207 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
208 {"bf542", BFIN_CPU_BF542, 0x0002,
209 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
210 {"bf542", BFIN_CPU_BF542, 0x0001,
211 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_05000074},
212 {"bf542", BFIN_CPU_BF542, 0x0000,
213 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_LOAD_LCREGS
214 | WA_05000074},
215
216 {"bf544m", BFIN_CPU_BF544M, 0x0003,
217 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
218
219 {"bf544", BFIN_CPU_BF544, 0x0004,
220 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
221 {"bf544", BFIN_CPU_BF544, 0x0002,
222 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
223 {"bf544", BFIN_CPU_BF544, 0x0001,
224 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_05000074},
225 {"bf544", BFIN_CPU_BF544, 0x0000,
226 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_LOAD_LCREGS
227 | WA_05000074},
228
229 {"bf547m", BFIN_CPU_BF547M, 0x0003,
230 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
231
232 {"bf547", BFIN_CPU_BF547, 0x0004,
233 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
234 {"bf547", BFIN_CPU_BF547, 0x0002,
235 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
236 {"bf547", BFIN_CPU_BF547, 0x0001,
237 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_05000074},
238 {"bf547", BFIN_CPU_BF547, 0x0000,
239 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_LOAD_LCREGS
240 | WA_05000074},
241
242 {"bf548m", BFIN_CPU_BF548M, 0x0003,
243 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
244
245 {"bf548", BFIN_CPU_BF548, 0x0004,
246 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
247 {"bf548", BFIN_CPU_BF548, 0x0002,
248 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
249 {"bf548", BFIN_CPU_BF548, 0x0001,
250 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_05000074},
251 {"bf548", BFIN_CPU_BF548, 0x0000,
252 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_LOAD_LCREGS
253 | WA_05000074},
254
255 {"bf549m", BFIN_CPU_BF549M, 0x0003,
256 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
257
258 {"bf549", BFIN_CPU_BF549, 0x0004,
259 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
260 {"bf549", BFIN_CPU_BF549, 0x0002,
261 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
262 {"bf549", BFIN_CPU_BF549, 0x0001,
263 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_05000074},
264 {"bf549", BFIN_CPU_BF549, 0x0000,
265 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_LOAD_LCREGS
266 | WA_05000074},
267
268 {"bf561", BFIN_CPU_BF561, 0x0005, WA_RETS
269 | WA_05000283 | WA_05000315 | WA_LOAD_LCREGS | WA_05000074},
270 {"bf561", BFIN_CPU_BF561, 0x0003,
271 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
272 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
273 | WA_05000074},
274 {"bf561", BFIN_CPU_BF561, 0x0002,
275 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
276 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
277 | WA_05000074},
278
279 {"bf592", BFIN_CPU_BF592, 0x0001,
280 WA_SPECULATIVE_LOADS | WA_05000074},
281 {"bf592", BFIN_CPU_BF592, 0x0000,
282 WA_SPECULATIVE_LOADS | WA_05000074},
283
284 {NULL, BFIN_CPU_UNKNOWN, 0, 0}
285 };
286
287 /* Implement TARGET_HANDLE_OPTION. */
288
289 static bool
bfin_handle_option(struct gcc_options * opts,struct gcc_options * opts_set ATTRIBUTE_UNUSED,const struct cl_decoded_option * decoded,location_t loc)290 bfin_handle_option (struct gcc_options *opts,
291 struct gcc_options *opts_set ATTRIBUTE_UNUSED,
292 const struct cl_decoded_option *decoded,
293 location_t loc)
294 {
295 size_t code = decoded->opt_index;
296 const char *arg = decoded->arg;
297 int value = decoded->value;
298
299 switch (code)
300 {
301 case OPT_mshared_library_id_:
302 if (value > MAX_LIBRARY_ID)
303 error_at (loc, "-mshared-library-id=%s is not between 0 and %d",
304 arg, MAX_LIBRARY_ID);
305 return true;
306
307 case OPT_mcpu_:
308 {
309 const char *p, *q;
310 int i;
311
312 i = 0;
313 while ((p = bfin_cpus[i].name) != NULL)
314 {
315 if (strncmp (arg, p, strlen (p)) == 0)
316 break;
317 i++;
318 }
319
320 if (p == NULL)
321 {
322 error_at (loc, "-mcpu=%s is not valid", arg);
323 return false;
324 }
325
326 opts->x_bfin_cpu_type = bfin_cpus[i].type;
327
328 q = arg + strlen (p);
329
330 if (*q == '\0')
331 {
332 opts->x_bfin_si_revision = bfin_cpus[i].si_revision;
333 opts->x_bfin_workarounds |= bfin_cpus[i].workarounds;
334 }
335 else if (strcmp (q, "-none") == 0)
336 opts->x_bfin_si_revision = -1;
337 else if (strcmp (q, "-any") == 0)
338 {
339 opts->x_bfin_si_revision = 0xffff;
340 while (bfin_cpus[i].type == opts->x_bfin_cpu_type)
341 {
342 opts->x_bfin_workarounds |= bfin_cpus[i].workarounds;
343 i++;
344 }
345 }
346 else
347 {
348 unsigned int si_major, si_minor;
349 int rev_len, n;
350
351 rev_len = strlen (q);
352
353 if (sscanf (q, "-%u.%u%n", &si_major, &si_minor, &n) != 2
354 || n != rev_len
355 || si_major > 0xff || si_minor > 0xff)
356 {
357 invalid_silicon_revision:
358 error_at (loc, "-mcpu=%s has invalid silicon revision", arg);
359 return false;
360 }
361
362 opts->x_bfin_si_revision = (si_major << 8) | si_minor;
363
364 while (bfin_cpus[i].type == opts->x_bfin_cpu_type
365 && bfin_cpus[i].si_revision != opts->x_bfin_si_revision)
366 i++;
367
368 if (bfin_cpus[i].type != opts->x_bfin_cpu_type)
369 goto invalid_silicon_revision;
370
371 opts->x_bfin_workarounds |= bfin_cpus[i].workarounds;
372 }
373
374 return true;
375 }
376
377 default:
378 return true;
379 }
380 }
381
382 #undef TARGET_HANDLE_OPTION
383 #define TARGET_HANDLE_OPTION bfin_handle_option
384
385 #undef TARGET_DEFAULT_TARGET_FLAGS
386 #define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
387
388 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
389