1 /* Common hooks for Blackfin.
2 Copyright (C) 2005-2020 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 "memmodel.h"
26 #include "tm_p.h"
27 #include "common/common-target.h"
28 #include "common/common-target-def.h"
29 #include "opts.h"
30 #include "flags.h"
31
32 EXPORTED_CONST struct bfin_cpu bfin_cpus[] =
33 {
34
35 {"bf512", BFIN_CPU_BF512, 0x0002,
36 WA_SPECULATIVE_LOADS | WA_05000074},
37 {"bf512", BFIN_CPU_BF512, 0x0001,
38 WA_SPECULATIVE_LOADS | WA_05000074},
39 {"bf512", BFIN_CPU_BF512, 0x0000,
40 WA_SPECULATIVE_LOADS | WA_05000074},
41
42 {"bf514", BFIN_CPU_BF514, 0x0002,
43 WA_SPECULATIVE_LOADS | WA_05000074},
44 {"bf514", BFIN_CPU_BF514, 0x0001,
45 WA_SPECULATIVE_LOADS | WA_05000074},
46 {"bf514", BFIN_CPU_BF514, 0x0000,
47 WA_SPECULATIVE_LOADS | WA_05000074},
48
49 {"bf516", BFIN_CPU_BF516, 0x0002,
50 WA_SPECULATIVE_LOADS | WA_05000074},
51 {"bf516", BFIN_CPU_BF516, 0x0001,
52 WA_SPECULATIVE_LOADS | WA_05000074},
53 {"bf516", BFIN_CPU_BF516, 0x0000,
54 WA_SPECULATIVE_LOADS | WA_05000074},
55
56 {"bf518", BFIN_CPU_BF518, 0x0002,
57 WA_SPECULATIVE_LOADS | WA_05000074},
58 {"bf518", BFIN_CPU_BF518, 0x0001,
59 WA_SPECULATIVE_LOADS | WA_05000074},
60 {"bf518", BFIN_CPU_BF518, 0x0000,
61 WA_SPECULATIVE_LOADS | WA_05000074},
62
63 {"bf522", BFIN_CPU_BF522, 0x0002,
64 WA_SPECULATIVE_LOADS | WA_05000074},
65 {"bf522", BFIN_CPU_BF522, 0x0001,
66 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
67 {"bf522", BFIN_CPU_BF522, 0x0000,
68 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
69
70 {"bf523", BFIN_CPU_BF523, 0x0002,
71 WA_SPECULATIVE_LOADS | WA_05000074},
72 {"bf523", BFIN_CPU_BF523, 0x0001,
73 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
74 {"bf523", BFIN_CPU_BF523, 0x0000,
75 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
76
77 {"bf524", BFIN_CPU_BF524, 0x0002,
78 WA_SPECULATIVE_LOADS | WA_05000074},
79 {"bf524", BFIN_CPU_BF524, 0x0001,
80 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
81 {"bf524", BFIN_CPU_BF524, 0x0000,
82 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
83
84 {"bf525", BFIN_CPU_BF525, 0x0002,
85 WA_SPECULATIVE_LOADS | WA_05000074},
86 {"bf525", BFIN_CPU_BF525, 0x0001,
87 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
88 {"bf525", BFIN_CPU_BF525, 0x0000,
89 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
90
91 {"bf526", BFIN_CPU_BF526, 0x0002,
92 WA_SPECULATIVE_LOADS | WA_05000074},
93 {"bf526", BFIN_CPU_BF526, 0x0001,
94 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
95 {"bf526", BFIN_CPU_BF526, 0x0000,
96 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
97
98 {"bf527", BFIN_CPU_BF527, 0x0002,
99 WA_SPECULATIVE_LOADS | WA_05000074},
100 {"bf527", BFIN_CPU_BF527, 0x0001,
101 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
102 {"bf527", BFIN_CPU_BF527, 0x0000,
103 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000074},
104
105 {"bf531", BFIN_CPU_BF531, 0x0006,
106 WA_SPECULATIVE_LOADS | WA_LOAD_LCREGS | WA_05000074},
107 {"bf531", BFIN_CPU_BF531, 0x0005,
108 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000283 | WA_05000315
109 | WA_LOAD_LCREGS | WA_05000074},
110 {"bf531", BFIN_CPU_BF531, 0x0004,
111 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
112 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
113 | WA_05000074},
114 {"bf531", BFIN_CPU_BF531, 0x0003,
115 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
116 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
117 | WA_05000074},
118
119 {"bf532", BFIN_CPU_BF532, 0x0006,
120 WA_SPECULATIVE_LOADS | WA_LOAD_LCREGS | WA_05000074},
121 {"bf532", BFIN_CPU_BF532, 0x0005,
122 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000283 | WA_05000315
123 | WA_LOAD_LCREGS | WA_05000074},
124 {"bf532", BFIN_CPU_BF532, 0x0004,
125 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
126 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
127 | WA_05000074},
128 {"bf532", BFIN_CPU_BF532, 0x0003,
129 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
130 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
131 | WA_05000074},
132
133 {"bf533", BFIN_CPU_BF533, 0x0006,
134 WA_SPECULATIVE_LOADS | WA_LOAD_LCREGS | WA_05000074},
135 {"bf533", BFIN_CPU_BF533, 0x0005,
136 WA_SPECULATIVE_LOADS | WA_RETS | WA_05000283 | WA_05000315
137 | WA_LOAD_LCREGS | WA_05000074},
138 {"bf533", BFIN_CPU_BF533, 0x0004,
139 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
140 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
141 | WA_05000074},
142 {"bf533", BFIN_CPU_BF533, 0x0003,
143 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
144 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
145 | WA_05000074},
146
147 {"bf534", BFIN_CPU_BF534, 0x0003,
148 WA_SPECULATIVE_LOADS | WA_RETS | WA_LOAD_LCREGS | WA_05000074},
149 {"bf534", BFIN_CPU_BF534, 0x0002,
150 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
151 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
152 | WA_05000074},
153 {"bf534", BFIN_CPU_BF534, 0x0001,
154 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
155 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
156 | WA_05000074},
157
158 {"bf536", BFIN_CPU_BF536, 0x0003,
159 WA_SPECULATIVE_LOADS | WA_RETS | WA_LOAD_LCREGS | WA_05000074},
160 {"bf536", BFIN_CPU_BF536, 0x0002,
161 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
162 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
163 | WA_05000074},
164 {"bf536", BFIN_CPU_BF536, 0x0001,
165 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
166 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
167 | WA_05000074},
168
169 {"bf537", BFIN_CPU_BF537, 0x0003,
170 WA_SPECULATIVE_LOADS | WA_RETS | WA_LOAD_LCREGS | WA_05000074},
171 {"bf537", BFIN_CPU_BF537, 0x0002,
172 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
173 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
174 | WA_05000074},
175 {"bf537", BFIN_CPU_BF537, 0x0001,
176 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
177 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
178 | WA_05000074},
179
180 {"bf538", BFIN_CPU_BF538, 0x0005,
181 WA_SPECULATIVE_LOADS | WA_LOAD_LCREGS | WA_05000074},
182 {"bf538", BFIN_CPU_BF538, 0x0004,
183 WA_SPECULATIVE_LOADS | WA_RETS | WA_LOAD_LCREGS | WA_05000074},
184 {"bf538", BFIN_CPU_BF538, 0x0003,
185 WA_SPECULATIVE_LOADS | WA_RETS
186 | WA_05000283 | WA_05000315 | WA_LOAD_LCREGS | WA_05000074},
187 {"bf538", BFIN_CPU_BF538, 0x0002,
188 WA_SPECULATIVE_LOADS | WA_RETS
189 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
190 | WA_05000074},
191
192 {"bf539", BFIN_CPU_BF539, 0x0005,
193 WA_SPECULATIVE_LOADS | WA_LOAD_LCREGS | WA_05000074},
194 {"bf539", BFIN_CPU_BF539, 0x0004,
195 WA_SPECULATIVE_LOADS | WA_RETS | WA_LOAD_LCREGS | WA_05000074},
196 {"bf539", BFIN_CPU_BF539, 0x0003,
197 WA_SPECULATIVE_LOADS | WA_RETS
198 | WA_05000283 | WA_05000315 | WA_LOAD_LCREGS | WA_05000074},
199 {"bf539", BFIN_CPU_BF539, 0x0002,
200 WA_SPECULATIVE_LOADS | WA_RETS
201 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
202 | WA_05000074},
203
204 {"bf542m", BFIN_CPU_BF542M, 0x0003,
205 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
206
207 {"bf542", BFIN_CPU_BF542, 0x0004,
208 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
209 {"bf542", BFIN_CPU_BF542, 0x0002,
210 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
211 {"bf542", BFIN_CPU_BF542, 0x0001,
212 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_05000074},
213 {"bf542", BFIN_CPU_BF542, 0x0000,
214 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_LOAD_LCREGS
215 | WA_05000074},
216
217 {"bf544m", BFIN_CPU_BF544M, 0x0003,
218 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
219
220 {"bf544", BFIN_CPU_BF544, 0x0004,
221 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
222 {"bf544", BFIN_CPU_BF544, 0x0002,
223 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
224 {"bf544", BFIN_CPU_BF544, 0x0001,
225 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_05000074},
226 {"bf544", BFIN_CPU_BF544, 0x0000,
227 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_LOAD_LCREGS
228 | WA_05000074},
229
230 {"bf547m", BFIN_CPU_BF547M, 0x0003,
231 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
232
233 {"bf547", BFIN_CPU_BF547, 0x0004,
234 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
235 {"bf547", BFIN_CPU_BF547, 0x0002,
236 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
237 {"bf547", BFIN_CPU_BF547, 0x0001,
238 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_05000074},
239 {"bf547", BFIN_CPU_BF547, 0x0000,
240 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_LOAD_LCREGS
241 | WA_05000074},
242
243 {"bf548m", BFIN_CPU_BF548M, 0x0003,
244 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
245
246 {"bf548", BFIN_CPU_BF548, 0x0004,
247 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
248 {"bf548", BFIN_CPU_BF548, 0x0002,
249 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
250 {"bf548", BFIN_CPU_BF548, 0x0001,
251 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_05000074},
252 {"bf548", BFIN_CPU_BF548, 0x0000,
253 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_LOAD_LCREGS
254 | WA_05000074},
255
256 {"bf549m", BFIN_CPU_BF549M, 0x0003,
257 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
258
259 {"bf549", BFIN_CPU_BF549, 0x0004,
260 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
261 {"bf549", BFIN_CPU_BF549, 0x0002,
262 WA_SPECULATIVE_LOADS | WA_INDIRECT_CALLS | WA_05000074},
263 {"bf549", BFIN_CPU_BF549, 0x0001,
264 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_05000074},
265 {"bf549", BFIN_CPU_BF549, 0x0000,
266 WA_SPECULATIVE_LOADS | WA_RETS | WA_INDIRECT_CALLS | WA_LOAD_LCREGS
267 | WA_05000074},
268
269 {"bf561", BFIN_CPU_BF561, 0x0005, WA_RETS
270 | WA_05000283 | WA_05000315 | WA_LOAD_LCREGS | WA_05000074},
271 {"bf561", BFIN_CPU_BF561, 0x0003,
272 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
273 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
274 | WA_05000074},
275 {"bf561", BFIN_CPU_BF561, 0x0002,
276 WA_SPECULATIVE_LOADS | WA_SPECULATIVE_SYNCS | WA_RETS
277 | WA_05000283 | WA_05000257 | WA_05000315 | WA_LOAD_LCREGS
278 | WA_05000074},
279
280 {"bf592", BFIN_CPU_BF592, 0x0001,
281 WA_SPECULATIVE_LOADS | WA_05000074},
282 {"bf592", BFIN_CPU_BF592, 0x0000,
283 WA_SPECULATIVE_LOADS | WA_05000074},
284
285 {NULL, BFIN_CPU_UNKNOWN, 0, 0}
286 };
287
288 /* Implement TARGET_HANDLE_OPTION. */
289
290 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)291 bfin_handle_option (struct gcc_options *opts,
292 struct gcc_options *opts_set ATTRIBUTE_UNUSED,
293 const struct cl_decoded_option *decoded,
294 location_t loc)
295 {
296 size_t code = decoded->opt_index;
297 const char *arg = decoded->arg;
298 int value = decoded->value;
299
300 switch (code)
301 {
302 case OPT_mshared_library_id_:
303 if (value > MAX_LIBRARY_ID)
304 error_at (loc, "%<-mshared-library-id=%s%> is not between 0 and %d",
305 arg, MAX_LIBRARY_ID);
306 return true;
307
308 case OPT_mcpu_:
309 {
310 const char *p, *q;
311 int i;
312
313 i = 0;
314 while ((p = bfin_cpus[i].name) != NULL)
315 {
316 if (strncmp (arg, p, strlen (p)) == 0)
317 break;
318 i++;
319 }
320
321 if (p == NULL)
322 {
323 error_at (loc, "%<-mcpu=%s%> is not valid", arg);
324 return false;
325 }
326
327 opts->x_bfin_cpu_type = bfin_cpus[i].type;
328
329 q = arg + strlen (p);
330
331 if (*q == '\0')
332 {
333 opts->x_bfin_si_revision = bfin_cpus[i].si_revision;
334 opts->x_bfin_workarounds |= bfin_cpus[i].workarounds;
335 }
336 else if (strcmp (q, "-none") == 0)
337 opts->x_bfin_si_revision = -1;
338 else if (strcmp (q, "-any") == 0)
339 {
340 opts->x_bfin_si_revision = 0xffff;
341 while (bfin_cpus[i].type == opts->x_bfin_cpu_type)
342 {
343 opts->x_bfin_workarounds |= bfin_cpus[i].workarounds;
344 i++;
345 }
346 }
347 else
348 {
349 unsigned int si_major, si_minor;
350 int rev_len, n;
351
352 rev_len = strlen (q);
353
354 if (sscanf (q, "-%u.%u%n", &si_major, &si_minor, &n) != 2
355 || n != rev_len
356 || si_major > 0xff || si_minor > 0xff)
357 {
358 invalid_silicon_revision:
359 error_at (loc, "%<-mcpu=%s%> has invalid silicon revision",
360 arg);
361 return false;
362 }
363
364 opts->x_bfin_si_revision = (si_major << 8) | si_minor;
365
366 while (bfin_cpus[i].type == opts->x_bfin_cpu_type
367 && bfin_cpus[i].si_revision != opts->x_bfin_si_revision)
368 i++;
369
370 if (bfin_cpus[i].type != opts->x_bfin_cpu_type)
371 goto invalid_silicon_revision;
372
373 opts->x_bfin_workarounds |= bfin_cpus[i].workarounds;
374 }
375
376 return true;
377 }
378
379 default:
380 return true;
381 }
382 }
383
384 #undef TARGET_HANDLE_OPTION
385 #define TARGET_HANDLE_OPTION bfin_handle_option
386
387 #undef TARGET_DEFAULT_TARGET_FLAGS
388 #define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
389
390 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
391