cputlb: Change tlb_flush() argument to CPUState
[qemu.git] / target-sparc / cpu.c
1 /*
2 * Sparc CPU init helpers
3 *
4 * Copyright (c) 2003-2005 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "cpu.h"
21 #include "qemu/error-report.h"
22
23 //#define DEBUG_FEATURES
24
25 static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model);
26
27 /* CPUClass::reset() */
28 static void sparc_cpu_reset(CPUState *s)
29 {
30 SPARCCPU *cpu = SPARC_CPU(s);
31 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(cpu);
32 CPUSPARCState *env = &cpu->env;
33
34 scc->parent_reset(s);
35
36 memset(env, 0, offsetof(CPUSPARCState, version));
37 tlb_flush(s, 1);
38 env->cwp = 0;
39 #ifndef TARGET_SPARC64
40 env->wim = 1;
41 #endif
42 env->regwptr = env->regbase + (env->cwp * 16);
43 CC_OP = CC_OP_FLAGS;
44 #if defined(CONFIG_USER_ONLY)
45 #ifdef TARGET_SPARC64
46 env->cleanwin = env->nwindows - 2;
47 env->cansave = env->nwindows - 2;
48 env->pstate = PS_RMO | PS_PEF | PS_IE;
49 env->asi = 0x82; /* Primary no-fault */
50 #endif
51 #else
52 #if !defined(TARGET_SPARC64)
53 env->psret = 0;
54 env->psrs = 1;
55 env->psrps = 1;
56 #endif
57 #ifdef TARGET_SPARC64
58 env->pstate = PS_PRIV|PS_RED|PS_PEF|PS_AG;
59 env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0;
60 env->tl = env->maxtl;
61 cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
62 env->lsu = 0;
63 #else
64 env->mmuregs[0] &= ~(MMU_E | MMU_NF);
65 env->mmuregs[0] |= env->def->mmu_bm;
66 #endif
67 env->pc = 0;
68 env->npc = env->pc + 4;
69 #endif
70 env->cache_control = 0;
71 }
72
73 static int cpu_sparc_register(SPARCCPU *cpu, const char *cpu_model)
74 {
75 CPUClass *cc = CPU_GET_CLASS(cpu);
76 CPUSPARCState *env = &cpu->env;
77 char *s = g_strdup(cpu_model);
78 char *featurestr, *name = strtok(s, ",");
79 sparc_def_t def1, *def = &def1;
80 Error *err = NULL;
81
82 if (cpu_sparc_find_by_name(def, name) < 0) {
83 g_free(s);
84 return -1;
85 }
86
87 env->def = g_new0(sparc_def_t, 1);
88 memcpy(env->def, def, sizeof(*def));
89
90 featurestr = strtok(NULL, ",");
91 cc->parse_features(CPU(cpu), featurestr, &err);
92 g_free(s);
93 if (err) {
94 error_report("%s", error_get_pretty(err));
95 error_free(err);
96 return -1;
97 }
98
99 env->version = def->iu_version;
100 env->fsr = def->fpu_version;
101 env->nwindows = def->nwindows;
102 #if !defined(TARGET_SPARC64)
103 env->mmuregs[0] |= def->mmu_version;
104 cpu_sparc_set_id(env, 0);
105 env->mxccregs[7] |= def->mxcc_version;
106 #else
107 env->mmu_version = def->mmu_version;
108 env->maxtl = def->maxtl;
109 env->version |= def->maxtl << 8;
110 env->version |= def->nwindows - 1;
111 #endif
112 return 0;
113 }
114
115 SPARCCPU *cpu_sparc_init(const char *cpu_model)
116 {
117 SPARCCPU *cpu;
118
119 cpu = SPARC_CPU(object_new(TYPE_SPARC_CPU));
120
121 if (cpu_sparc_register(cpu, cpu_model) < 0) {
122 object_unref(OBJECT(cpu));
123 return NULL;
124 }
125
126 object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
127
128 return cpu;
129 }
130
131 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
132 {
133 #if !defined(TARGET_SPARC64)
134 env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
135 #endif
136 }
137
138 static const sparc_def_t sparc_defs[] = {
139 #ifdef TARGET_SPARC64
140 {
141 .name = "Fujitsu Sparc64",
142 .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
143 .fpu_version = 0x00000000,
144 .mmu_version = mmu_us_12,
145 .nwindows = 4,
146 .maxtl = 4,
147 .features = CPU_DEFAULT_FEATURES,
148 },
149 {
150 .name = "Fujitsu Sparc64 III",
151 .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
152 .fpu_version = 0x00000000,
153 .mmu_version = mmu_us_12,
154 .nwindows = 5,
155 .maxtl = 4,
156 .features = CPU_DEFAULT_FEATURES,
157 },
158 {
159 .name = "Fujitsu Sparc64 IV",
160 .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
161 .fpu_version = 0x00000000,
162 .mmu_version = mmu_us_12,
163 .nwindows = 8,
164 .maxtl = 5,
165 .features = CPU_DEFAULT_FEATURES,
166 },
167 {
168 .name = "Fujitsu Sparc64 V",
169 .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
170 .fpu_version = 0x00000000,
171 .mmu_version = mmu_us_12,
172 .nwindows = 8,
173 .maxtl = 5,
174 .features = CPU_DEFAULT_FEATURES,
175 },
176 {
177 .name = "TI UltraSparc I",
178 .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
179 .fpu_version = 0x00000000,
180 .mmu_version = mmu_us_12,
181 .nwindows = 8,
182 .maxtl = 5,
183 .features = CPU_DEFAULT_FEATURES,
184 },
185 {
186 .name = "TI UltraSparc II",
187 .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
188 .fpu_version = 0x00000000,
189 .mmu_version = mmu_us_12,
190 .nwindows = 8,
191 .maxtl = 5,
192 .features = CPU_DEFAULT_FEATURES,
193 },
194 {
195 .name = "TI UltraSparc IIi",
196 .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
197 .fpu_version = 0x00000000,
198 .mmu_version = mmu_us_12,
199 .nwindows = 8,
200 .maxtl = 5,
201 .features = CPU_DEFAULT_FEATURES,
202 },
203 {
204 .name = "TI UltraSparc IIe",
205 .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
206 .fpu_version = 0x00000000,
207 .mmu_version = mmu_us_12,
208 .nwindows = 8,
209 .maxtl = 5,
210 .features = CPU_DEFAULT_FEATURES,
211 },
212 {
213 .name = "Sun UltraSparc III",
214 .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
215 .fpu_version = 0x00000000,
216 .mmu_version = mmu_us_12,
217 .nwindows = 8,
218 .maxtl = 5,
219 .features = CPU_DEFAULT_FEATURES,
220 },
221 {
222 .name = "Sun UltraSparc III Cu",
223 .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
224 .fpu_version = 0x00000000,
225 .mmu_version = mmu_us_3,
226 .nwindows = 8,
227 .maxtl = 5,
228 .features = CPU_DEFAULT_FEATURES,
229 },
230 {
231 .name = "Sun UltraSparc IIIi",
232 .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
233 .fpu_version = 0x00000000,
234 .mmu_version = mmu_us_12,
235 .nwindows = 8,
236 .maxtl = 5,
237 .features = CPU_DEFAULT_FEATURES,
238 },
239 {
240 .name = "Sun UltraSparc IV",
241 .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
242 .fpu_version = 0x00000000,
243 .mmu_version = mmu_us_4,
244 .nwindows = 8,
245 .maxtl = 5,
246 .features = CPU_DEFAULT_FEATURES,
247 },
248 {
249 .name = "Sun UltraSparc IV+",
250 .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
251 .fpu_version = 0x00000000,
252 .mmu_version = mmu_us_12,
253 .nwindows = 8,
254 .maxtl = 5,
255 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
256 },
257 {
258 .name = "Sun UltraSparc IIIi+",
259 .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
260 .fpu_version = 0x00000000,
261 .mmu_version = mmu_us_3,
262 .nwindows = 8,
263 .maxtl = 5,
264 .features = CPU_DEFAULT_FEATURES,
265 },
266 {
267 .name = "Sun UltraSparc T1",
268 /* defined in sparc_ifu_fdp.v and ctu.h */
269 .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
270 .fpu_version = 0x00000000,
271 .mmu_version = mmu_sun4v,
272 .nwindows = 8,
273 .maxtl = 6,
274 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
275 | CPU_FEATURE_GL,
276 },
277 {
278 .name = "Sun UltraSparc T2",
279 /* defined in tlu_asi_ctl.v and n2_revid_cust.v */
280 .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
281 .fpu_version = 0x00000000,
282 .mmu_version = mmu_sun4v,
283 .nwindows = 8,
284 .maxtl = 6,
285 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
286 | CPU_FEATURE_GL,
287 },
288 {
289 .name = "NEC UltraSparc I",
290 .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
291 .fpu_version = 0x00000000,
292 .mmu_version = mmu_us_12,
293 .nwindows = 8,
294 .maxtl = 5,
295 .features = CPU_DEFAULT_FEATURES,
296 },
297 #else
298 {
299 .name = "Fujitsu MB86904",
300 .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
301 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
302 .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
303 .mmu_bm = 0x00004000,
304 .mmu_ctpr_mask = 0x00ffffc0,
305 .mmu_cxr_mask = 0x000000ff,
306 .mmu_sfsr_mask = 0x00016fff,
307 .mmu_trcr_mask = 0x00ffffff,
308 .nwindows = 8,
309 .features = CPU_DEFAULT_FEATURES,
310 },
311 {
312 .name = "Fujitsu MB86907",
313 .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
314 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
315 .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
316 .mmu_bm = 0x00004000,
317 .mmu_ctpr_mask = 0xffffffc0,
318 .mmu_cxr_mask = 0x000000ff,
319 .mmu_sfsr_mask = 0x00016fff,
320 .mmu_trcr_mask = 0xffffffff,
321 .nwindows = 8,
322 .features = CPU_DEFAULT_FEATURES,
323 },
324 {
325 .name = "TI MicroSparc I",
326 .iu_version = 0x41000000,
327 .fpu_version = 4 << 17,
328 .mmu_version = 0x41000000,
329 .mmu_bm = 0x00004000,
330 .mmu_ctpr_mask = 0x007ffff0,
331 .mmu_cxr_mask = 0x0000003f,
332 .mmu_sfsr_mask = 0x00016fff,
333 .mmu_trcr_mask = 0x0000003f,
334 .nwindows = 7,
335 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
336 CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
337 CPU_FEATURE_FMUL,
338 },
339 {
340 .name = "TI MicroSparc II",
341 .iu_version = 0x42000000,
342 .fpu_version = 4 << 17,
343 .mmu_version = 0x02000000,
344 .mmu_bm = 0x00004000,
345 .mmu_ctpr_mask = 0x00ffffc0,
346 .mmu_cxr_mask = 0x000000ff,
347 .mmu_sfsr_mask = 0x00016fff,
348 .mmu_trcr_mask = 0x00ffffff,
349 .nwindows = 8,
350 .features = CPU_DEFAULT_FEATURES,
351 },
352 {
353 .name = "TI MicroSparc IIep",
354 .iu_version = 0x42000000,
355 .fpu_version = 4 << 17,
356 .mmu_version = 0x04000000,
357 .mmu_bm = 0x00004000,
358 .mmu_ctpr_mask = 0x00ffffc0,
359 .mmu_cxr_mask = 0x000000ff,
360 .mmu_sfsr_mask = 0x00016bff,
361 .mmu_trcr_mask = 0x00ffffff,
362 .nwindows = 8,
363 .features = CPU_DEFAULT_FEATURES,
364 },
365 {
366 .name = "TI SuperSparc 40", /* STP1020NPGA */
367 .iu_version = 0x41000000, /* SuperSPARC 2.x */
368 .fpu_version = 0 << 17,
369 .mmu_version = 0x00000800, /* SuperSPARC 2.x, no MXCC */
370 .mmu_bm = 0x00002000,
371 .mmu_ctpr_mask = 0xffffffc0,
372 .mmu_cxr_mask = 0x0000ffff,
373 .mmu_sfsr_mask = 0xffffffff,
374 .mmu_trcr_mask = 0xffffffff,
375 .nwindows = 8,
376 .features = CPU_DEFAULT_FEATURES,
377 },
378 {
379 .name = "TI SuperSparc 50", /* STP1020PGA */
380 .iu_version = 0x40000000, /* SuperSPARC 3.x */
381 .fpu_version = 0 << 17,
382 .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
383 .mmu_bm = 0x00002000,
384 .mmu_ctpr_mask = 0xffffffc0,
385 .mmu_cxr_mask = 0x0000ffff,
386 .mmu_sfsr_mask = 0xffffffff,
387 .mmu_trcr_mask = 0xffffffff,
388 .nwindows = 8,
389 .features = CPU_DEFAULT_FEATURES,
390 },
391 {
392 .name = "TI SuperSparc 51",
393 .iu_version = 0x40000000, /* SuperSPARC 3.x */
394 .fpu_version = 0 << 17,
395 .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
396 .mmu_bm = 0x00002000,
397 .mmu_ctpr_mask = 0xffffffc0,
398 .mmu_cxr_mask = 0x0000ffff,
399 .mmu_sfsr_mask = 0xffffffff,
400 .mmu_trcr_mask = 0xffffffff,
401 .mxcc_version = 0x00000104,
402 .nwindows = 8,
403 .features = CPU_DEFAULT_FEATURES,
404 },
405 {
406 .name = "TI SuperSparc 60", /* STP1020APGA */
407 .iu_version = 0x40000000, /* SuperSPARC 3.x */
408 .fpu_version = 0 << 17,
409 .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
410 .mmu_bm = 0x00002000,
411 .mmu_ctpr_mask = 0xffffffc0,
412 .mmu_cxr_mask = 0x0000ffff,
413 .mmu_sfsr_mask = 0xffffffff,
414 .mmu_trcr_mask = 0xffffffff,
415 .nwindows = 8,
416 .features = CPU_DEFAULT_FEATURES,
417 },
418 {
419 .name = "TI SuperSparc 61",
420 .iu_version = 0x44000000, /* SuperSPARC 3.x */
421 .fpu_version = 0 << 17,
422 .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
423 .mmu_bm = 0x00002000,
424 .mmu_ctpr_mask = 0xffffffc0,
425 .mmu_cxr_mask = 0x0000ffff,
426 .mmu_sfsr_mask = 0xffffffff,
427 .mmu_trcr_mask = 0xffffffff,
428 .mxcc_version = 0x00000104,
429 .nwindows = 8,
430 .features = CPU_DEFAULT_FEATURES,
431 },
432 {
433 .name = "TI SuperSparc II",
434 .iu_version = 0x40000000, /* SuperSPARC II 1.x */
435 .fpu_version = 0 << 17,
436 .mmu_version = 0x08000000, /* SuperSPARC II 1.x, MXCC */
437 .mmu_bm = 0x00002000,
438 .mmu_ctpr_mask = 0xffffffc0,
439 .mmu_cxr_mask = 0x0000ffff,
440 .mmu_sfsr_mask = 0xffffffff,
441 .mmu_trcr_mask = 0xffffffff,
442 .mxcc_version = 0x00000104,
443 .nwindows = 8,
444 .features = CPU_DEFAULT_FEATURES,
445 },
446 {
447 .name = "LEON2",
448 .iu_version = 0xf2000000,
449 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
450 .mmu_version = 0xf2000000,
451 .mmu_bm = 0x00004000,
452 .mmu_ctpr_mask = 0x007ffff0,
453 .mmu_cxr_mask = 0x0000003f,
454 .mmu_sfsr_mask = 0xffffffff,
455 .mmu_trcr_mask = 0xffffffff,
456 .nwindows = 8,
457 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN,
458 },
459 {
460 .name = "LEON3",
461 .iu_version = 0xf3000000,
462 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
463 .mmu_version = 0xf3000000,
464 .mmu_bm = 0x00000000,
465 .mmu_ctpr_mask = 0xfffffffc,
466 .mmu_cxr_mask = 0x000000ff,
467 .mmu_sfsr_mask = 0xffffffff,
468 .mmu_trcr_mask = 0xffffffff,
469 .nwindows = 8,
470 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN |
471 CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL | CPU_FEATURE_POWERDOWN |
472 CPU_FEATURE_CASA,
473 },
474 #endif
475 };
476
477 static const char * const feature_name[] = {
478 "float",
479 "float128",
480 "swap",
481 "mul",
482 "div",
483 "flush",
484 "fsqrt",
485 "fmul",
486 "vis1",
487 "vis2",
488 "fsmuld",
489 "hypv",
490 "cmt",
491 "gl",
492 };
493
494 static void print_features(FILE *f, fprintf_function cpu_fprintf,
495 uint32_t features, const char *prefix)
496 {
497 unsigned int i;
498
499 for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
500 if (feature_name[i] && (features & (1 << i))) {
501 if (prefix) {
502 (*cpu_fprintf)(f, "%s", prefix);
503 }
504 (*cpu_fprintf)(f, "%s ", feature_name[i]);
505 }
506 }
507 }
508
509 static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
510 {
511 unsigned int i;
512
513 for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
514 if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
515 *features |= 1 << i;
516 return;
517 }
518 }
519 error_report("CPU feature %s not found", flagname);
520 }
521
522 static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *name)
523 {
524 unsigned int i;
525 const sparc_def_t *def = NULL;
526
527 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
528 if (strcasecmp(name, sparc_defs[i].name) == 0) {
529 def = &sparc_defs[i];
530 }
531 }
532 if (!def) {
533 return -1;
534 }
535 memcpy(cpu_def, def, sizeof(*def));
536 return 0;
537 }
538
539 static void sparc_cpu_parse_features(CPUState *cs, char *features,
540 Error **errp)
541 {
542 SPARCCPU *cpu = SPARC_CPU(cs);
543 sparc_def_t *cpu_def = cpu->env.def;
544 char *featurestr;
545 uint32_t plus_features = 0;
546 uint32_t minus_features = 0;
547 uint64_t iu_version;
548 uint32_t fpu_version, mmu_version, nwindows;
549
550 featurestr = features ? strtok(features, ",") : NULL;
551 while (featurestr) {
552 char *val;
553
554 if (featurestr[0] == '+') {
555 add_flagname_to_bitmaps(featurestr + 1, &plus_features);
556 } else if (featurestr[0] == '-') {
557 add_flagname_to_bitmaps(featurestr + 1, &minus_features);
558 } else if ((val = strchr(featurestr, '='))) {
559 *val = 0; val++;
560 if (!strcmp(featurestr, "iu_version")) {
561 char *err;
562
563 iu_version = strtoll(val, &err, 0);
564 if (!*val || *err) {
565 error_setg(errp, "bad numerical value %s", val);
566 return;
567 }
568 cpu_def->iu_version = iu_version;
569 #ifdef DEBUG_FEATURES
570 fprintf(stderr, "iu_version %" PRIx64 "\n", iu_version);
571 #endif
572 } else if (!strcmp(featurestr, "fpu_version")) {
573 char *err;
574
575 fpu_version = strtol(val, &err, 0);
576 if (!*val || *err) {
577 error_setg(errp, "bad numerical value %s", val);
578 return;
579 }
580 cpu_def->fpu_version = fpu_version;
581 #ifdef DEBUG_FEATURES
582 fprintf(stderr, "fpu_version %x\n", fpu_version);
583 #endif
584 } else if (!strcmp(featurestr, "mmu_version")) {
585 char *err;
586
587 mmu_version = strtol(val, &err, 0);
588 if (!*val || *err) {
589 error_setg(errp, "bad numerical value %s", val);
590 return;
591 }
592 cpu_def->mmu_version = mmu_version;
593 #ifdef DEBUG_FEATURES
594 fprintf(stderr, "mmu_version %x\n", mmu_version);
595 #endif
596 } else if (!strcmp(featurestr, "nwindows")) {
597 char *err;
598
599 nwindows = strtol(val, &err, 0);
600 if (!*val || *err || nwindows > MAX_NWINDOWS ||
601 nwindows < MIN_NWINDOWS) {
602 error_setg(errp, "bad numerical value %s", val);
603 return;
604 }
605 cpu_def->nwindows = nwindows;
606 #ifdef DEBUG_FEATURES
607 fprintf(stderr, "nwindows %d\n", nwindows);
608 #endif
609 } else {
610 error_setg(errp, "unrecognized feature %s", featurestr);
611 return;
612 }
613 } else {
614 error_setg(errp, "feature string `%s' not in format "
615 "(+feature|-feature|feature=xyz)", featurestr);
616 return;
617 }
618 featurestr = strtok(NULL, ",");
619 }
620 cpu_def->features |= plus_features;
621 cpu_def->features &= ~minus_features;
622 #ifdef DEBUG_FEATURES
623 print_features(stderr, fprintf, cpu_def->features, NULL);
624 #endif
625 }
626
627 void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
628 {
629 unsigned int i;
630
631 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
632 (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx
633 " FPU %08x MMU %08x NWINS %d ",
634 sparc_defs[i].name,
635 sparc_defs[i].iu_version,
636 sparc_defs[i].fpu_version,
637 sparc_defs[i].mmu_version,
638 sparc_defs[i].nwindows);
639 print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
640 ~sparc_defs[i].features, "-");
641 print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
642 sparc_defs[i].features, "+");
643 (*cpu_fprintf)(f, "\n");
644 }
645 (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
646 print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
647 (*cpu_fprintf)(f, "\n");
648 (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
649 print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
650 (*cpu_fprintf)(f, "\n");
651 (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
652 "fpu_version mmu_version nwindows\n");
653 }
654
655 static void cpu_print_cc(FILE *f, fprintf_function cpu_fprintf,
656 uint32_t cc)
657 {
658 cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-',
659 cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-',
660 cc & PSR_CARRY ? 'C' : '-');
661 }
662
663 #ifdef TARGET_SPARC64
664 #define REGS_PER_LINE 4
665 #else
666 #define REGS_PER_LINE 8
667 #endif
668
669 void sparc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
670 int flags)
671 {
672 SPARCCPU *cpu = SPARC_CPU(cs);
673 CPUSPARCState *env = &cpu->env;
674 int i, x;
675
676 cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc,
677 env->npc);
678
679 for (i = 0; i < 8; i++) {
680 if (i % REGS_PER_LINE == 0) {
681 cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1);
682 }
683 cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
684 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
685 cpu_fprintf(f, "\n");
686 }
687 }
688 for (x = 0; x < 3; x++) {
689 for (i = 0; i < 8; i++) {
690 if (i % REGS_PER_LINE == 0) {
691 cpu_fprintf(f, "%%%c%d-%d: ",
692 x == 0 ? 'o' : (x == 1 ? 'l' : 'i'),
693 i, i + REGS_PER_LINE - 1);
694 }
695 cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]);
696 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
697 cpu_fprintf(f, "\n");
698 }
699 }
700 }
701
702 for (i = 0; i < TARGET_DPREGS; i++) {
703 if ((i & 3) == 0) {
704 cpu_fprintf(f, "%%f%02d: ", i * 2);
705 }
706 cpu_fprintf(f, " %016" PRIx64, env->fpr[i].ll);
707 if ((i & 3) == 3) {
708 cpu_fprintf(f, "\n");
709 }
710 }
711 #ifdef TARGET_SPARC64
712 cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
713 (unsigned)cpu_get_ccr(env));
714 cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << PSR_CARRY_SHIFT);
715 cpu_fprintf(f, " xcc: ");
716 cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4));
717 cpu_fprintf(f, ") asi: %02x tl: %d pil: %x\n", env->asi, env->tl,
718 env->psrpil);
719 cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
720 "cleanwin: %d cwp: %d\n",
721 env->cansave, env->canrestore, env->otherwin, env->wstate,
722 env->cleanwin, env->nwindows - 1 - env->cwp);
723 cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: "
724 TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
725 #else
726 cpu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env));
727 cpu_print_cc(f, cpu_fprintf, cpu_get_psr(env));
728 cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-',
729 env->psrps ? 'P' : '-', env->psret ? 'E' : '-',
730 env->wim);
731 cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n",
732 env->fsr, env->y);
733 #endif
734 cpu_fprintf(f, "\n");
735 }
736
737 static void sparc_cpu_set_pc(CPUState *cs, vaddr value)
738 {
739 SPARCCPU *cpu = SPARC_CPU(cs);
740
741 cpu->env.pc = value;
742 cpu->env.npc = value + 4;
743 }
744
745 static void sparc_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
746 {
747 SPARCCPU *cpu = SPARC_CPU(cs);
748
749 cpu->env.pc = tb->pc;
750 cpu->env.npc = tb->cs_base;
751 }
752
753 static bool sparc_cpu_has_work(CPUState *cs)
754 {
755 SPARCCPU *cpu = SPARC_CPU(cs);
756 CPUSPARCState *env = &cpu->env;
757
758 return (cs->interrupt_request & CPU_INTERRUPT_HARD) &&
759 cpu_interrupts_enabled(env);
760 }
761
762 static void sparc_cpu_realizefn(DeviceState *dev, Error **errp)
763 {
764 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(dev);
765 #if defined(CONFIG_USER_ONLY)
766 SPARCCPU *cpu = SPARC_CPU(dev);
767 CPUSPARCState *env = &cpu->env;
768
769 if ((env->def->features & CPU_FEATURE_FLOAT)) {
770 env->def->features |= CPU_FEATURE_FLOAT128;
771 }
772 #endif
773
774 qemu_init_vcpu(CPU(dev));
775
776 scc->parent_realize(dev, errp);
777 }
778
779 static void sparc_cpu_initfn(Object *obj)
780 {
781 CPUState *cs = CPU(obj);
782 SPARCCPU *cpu = SPARC_CPU(obj);
783 CPUSPARCState *env = &cpu->env;
784
785 cs->env_ptr = env;
786 cpu_exec_init(env);
787
788 if (tcg_enabled()) {
789 gen_intermediate_code_init(env);
790 }
791 }
792
793 static void sparc_cpu_uninitfn(Object *obj)
794 {
795 SPARCCPU *cpu = SPARC_CPU(obj);
796 CPUSPARCState *env = &cpu->env;
797
798 g_free(env->def);
799 }
800
801 static void sparc_cpu_class_init(ObjectClass *oc, void *data)
802 {
803 SPARCCPUClass *scc = SPARC_CPU_CLASS(oc);
804 CPUClass *cc = CPU_CLASS(oc);
805 DeviceClass *dc = DEVICE_CLASS(oc);
806
807 scc->parent_realize = dc->realize;
808 dc->realize = sparc_cpu_realizefn;
809
810 scc->parent_reset = cc->reset;
811 cc->reset = sparc_cpu_reset;
812
813 cc->parse_features = sparc_cpu_parse_features;
814 cc->has_work = sparc_cpu_has_work;
815 cc->do_interrupt = sparc_cpu_do_interrupt;
816 cc->dump_state = sparc_cpu_dump_state;
817 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
818 cc->memory_rw_debug = sparc_cpu_memory_rw_debug;
819 #endif
820 cc->set_pc = sparc_cpu_set_pc;
821 cc->synchronize_from_tb = sparc_cpu_synchronize_from_tb;
822 cc->gdb_read_register = sparc_cpu_gdb_read_register;
823 cc->gdb_write_register = sparc_cpu_gdb_write_register;
824 #ifdef CONFIG_USER_ONLY
825 cc->handle_mmu_fault = sparc_cpu_handle_mmu_fault;
826 #else
827 cc->do_unassigned_access = sparc_cpu_unassigned_access;
828 cc->get_phys_page_debug = sparc_cpu_get_phys_page_debug;
829 #endif
830
831 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
832 cc->gdb_num_core_regs = 86;
833 #else
834 cc->gdb_num_core_regs = 72;
835 #endif
836 }
837
838 static const TypeInfo sparc_cpu_type_info = {
839 .name = TYPE_SPARC_CPU,
840 .parent = TYPE_CPU,
841 .instance_size = sizeof(SPARCCPU),
842 .instance_init = sparc_cpu_initfn,
843 .instance_finalize = sparc_cpu_uninitfn,
844 .abstract = false,
845 .class_size = sizeof(SPARCCPUClass),
846 .class_init = sparc_cpu_class_init,
847 };
848
849 static void sparc_cpu_register_types(void)
850 {
851 type_register_static(&sparc_cpu_type_info);
852 }
853
854 type_init(sparc_cpu_register_types)