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Fix iovec probe on OpenBSD
[qemu/mini2440.git] / target-sparc / helper.c
blobd2865ee7d5f0937a34af75d5f42f1a1d1723fef8
1 /*
2 * sparc 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, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
19 */
20 #include <stdarg.h>
21 #include <stdlib.h>
22 #include <stdio.h>
23 #include <string.h>
24 #include <inttypes.h>
25 #include <signal.h>
26 #include <assert.h>
27
28 #include "cpu.h"
29 #include "exec-all.h"
30 #include "qemu-common.h"
31
32 //#define DEBUG_MMU
33 //#define DEBUG_FEATURES
34
35 static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model);
36
37 /* Sparc MMU emulation */
38
39 /* thread support */
40
41 static spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED;
42
43 void cpu_lock(void)
44 {
45 spin_lock(&global_cpu_lock);
46 }
47
48 void cpu_unlock(void)
49 {
50 spin_unlock(&global_cpu_lock);
51 }
52
53 #if defined(CONFIG_USER_ONLY)
54
55 int cpu_sparc_handle_mmu_fault(CPUState *env1, target_ulong address, int rw,
56 int mmu_idx, int is_softmmu)
57 {
58 if (rw & 2)
59 env1->exception_index = TT_TFAULT;
60 else
61 env1->exception_index = TT_DFAULT;
62 return 1;
63 }
64
65 #else
66
67 #ifndef TARGET_SPARC64
68 /*
69 * Sparc V8 Reference MMU (SRMMU)
70 */
71 static const int access_table[8][8] = {
72 { 0, 0, 0, 0, 8, 0, 12, 12 },
73 { 0, 0, 0, 0, 8, 0, 0, 0 },
74 { 8, 8, 0, 0, 0, 8, 12, 12 },
75 { 8, 8, 0, 0, 0, 8, 0, 0 },
76 { 8, 0, 8, 0, 8, 8, 12, 12 },
77 { 8, 0, 8, 0, 8, 0, 8, 0 },
78 { 8, 8, 8, 0, 8, 8, 12, 12 },
79 { 8, 8, 8, 0, 8, 8, 8, 0 }
80 };
81
82 static const int perm_table[2][8] = {
83 {
84 PAGE_READ,
85 PAGE_READ | PAGE_WRITE,
86 PAGE_READ | PAGE_EXEC,
87 PAGE_READ | PAGE_WRITE | PAGE_EXEC,
88 PAGE_EXEC,
89 PAGE_READ | PAGE_WRITE,
90 PAGE_READ | PAGE_EXEC,
91 PAGE_READ | PAGE_WRITE | PAGE_EXEC
92 },
93 {
94 PAGE_READ,
95 PAGE_READ | PAGE_WRITE,
96 PAGE_READ | PAGE_EXEC,
97 PAGE_READ | PAGE_WRITE | PAGE_EXEC,
98 PAGE_EXEC,
99 PAGE_READ,
100 0,
101 0,
102 }
103 };
104
105 static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
106 int *prot, int *access_index,
107 target_ulong address, int rw, int mmu_idx)
108 {
109 int access_perms = 0;
110 target_phys_addr_t pde_ptr;
111 uint32_t pde;
112 target_ulong virt_addr;
113 int error_code = 0, is_dirty, is_user;
114 unsigned long page_offset;
115
116 is_user = mmu_idx == MMU_USER_IDX;
117 virt_addr = address & TARGET_PAGE_MASK;
118
119 if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
120 // Boot mode: instruction fetches are taken from PROM
121 if (rw == 2 && (env->mmuregs[0] & env->def->mmu_bm)) {
122 *physical = env->prom_addr | (address & 0x7ffffULL);
123 *prot = PAGE_READ | PAGE_EXEC;
124 return 0;
125 }
126 *physical = address;
127 *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
128 return 0;
129 }
130
131 *access_index = ((rw & 1) << 2) | (rw & 2) | (is_user? 0 : 1);
132 *physical = 0xffffffffffff0000ULL;
133
134 /* SPARC reference MMU table walk: Context table->L1->L2->PTE */
135 /* Context base + context number */
136 pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
137 pde = ldl_phys(pde_ptr);
138
139 /* Ctx pde */
140 switch (pde & PTE_ENTRYTYPE_MASK) {
141 default:
142 case 0: /* Invalid */
143 return 1 << 2;
144 case 2: /* L0 PTE, maybe should not happen? */
145 case 3: /* Reserved */
146 return 4 << 2;
147 case 1: /* L0 PDE */
148 pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
149 pde = ldl_phys(pde_ptr);
150
151 switch (pde & PTE_ENTRYTYPE_MASK) {
152 default:
153 case 0: /* Invalid */
154 return (1 << 8) | (1 << 2);
155 case 3: /* Reserved */
156 return (1 << 8) | (4 << 2);
157 case 1: /* L1 PDE */
158 pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
159 pde = ldl_phys(pde_ptr);
160
161 switch (pde & PTE_ENTRYTYPE_MASK) {
162 default:
163 case 0: /* Invalid */
164 return (2 << 8) | (1 << 2);
165 case 3: /* Reserved */
166 return (2 << 8) | (4 << 2);
167 case 1: /* L2 PDE */
168 pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
169 pde = ldl_phys(pde_ptr);
170
171 switch (pde & PTE_ENTRYTYPE_MASK) {
172 default:
173 case 0: /* Invalid */
174 return (3 << 8) | (1 << 2);
175 case 1: /* PDE, should not happen */
176 case 3: /* Reserved */
177 return (3 << 8) | (4 << 2);
178 case 2: /* L3 PTE */
179 virt_addr = address & TARGET_PAGE_MASK;
180 page_offset = (address & TARGET_PAGE_MASK) &
181 (TARGET_PAGE_SIZE - 1);
182 }
183 break;
184 case 2: /* L2 PTE */
185 virt_addr = address & ~0x3ffff;
186 page_offset = address & 0x3ffff;
187 }
188 break;
189 case 2: /* L1 PTE */
190 virt_addr = address & ~0xffffff;
191 page_offset = address & 0xffffff;
192 }
193 }
194
195 /* update page modified and dirty bits */
196 is_dirty = (rw & 1) && !(pde & PG_MODIFIED_MASK);
197 if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
198 pde |= PG_ACCESSED_MASK;
199 if (is_dirty)
200 pde |= PG_MODIFIED_MASK;
201 stl_phys_notdirty(pde_ptr, pde);
202 }
203 /* check access */
204 access_perms = (pde & PTE_ACCESS_MASK) >> PTE_ACCESS_SHIFT;
205 error_code = access_table[*access_index][access_perms];
206 if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user))
207 return error_code;
208
209 /* the page can be put in the TLB */
210 *prot = perm_table[is_user][access_perms];
211 if (!(pde & PG_MODIFIED_MASK)) {
212 /* only set write access if already dirty... otherwise wait
213 for dirty access */
214 *prot &= ~PAGE_WRITE;
215 }
216
217 /* Even if large ptes, we map only one 4KB page in the cache to
218 avoid filling it too fast */
219 *physical = ((target_phys_addr_t)(pde & PTE_ADDR_MASK) << 4) + page_offset;
220 return error_code;
221 }
222
223 /* Perform address translation */
224 int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
225 int mmu_idx, int is_softmmu)
226 {
227 target_phys_addr_t paddr;
228 target_ulong vaddr;
229 int error_code = 0, prot, ret = 0, access_index;
230
231 error_code = get_physical_address(env, &paddr, &prot, &access_index,
232 address, rw, mmu_idx);
233 if (error_code == 0) {
234 vaddr = address & TARGET_PAGE_MASK;
235 paddr &= TARGET_PAGE_MASK;
236 #ifdef DEBUG_MMU
237 printf("Translate at " TARGET_FMT_lx " -> " TARGET_FMT_plx ", vaddr "
238 TARGET_FMT_lx "\n", address, paddr, vaddr);
239 #endif
240 ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
241 return ret;
242 }
243
244 if (env->mmuregs[3]) /* Fault status register */
245 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
246 env->mmuregs[3] |= (access_index << 5) | error_code | 2;
247 env->mmuregs[4] = address; /* Fault address register */
248
249 if ((env->mmuregs[0] & MMU_NF) || env->psret == 0) {
250 // No fault mode: if a mapping is available, just override
251 // permissions. If no mapping is available, redirect accesses to
252 // neverland. Fake/overridden mappings will be flushed when
253 // switching to normal mode.
254 vaddr = address & TARGET_PAGE_MASK;
255 prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
256 ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
257 return ret;
258 } else {
259 if (rw & 2)
260 env->exception_index = TT_TFAULT;
261 else
262 env->exception_index = TT_DFAULT;
263 return 1;
264 }
265 }
266
267 target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev)
268 {
269 target_phys_addr_t pde_ptr;
270 uint32_t pde;
271
272 /* Context base + context number */
273 pde_ptr = (target_phys_addr_t)(env->mmuregs[1] << 4) +
274 (env->mmuregs[2] << 2);
275 pde = ldl_phys(pde_ptr);
276
277 switch (pde & PTE_ENTRYTYPE_MASK) {
278 default:
279 case 0: /* Invalid */
280 case 2: /* PTE, maybe should not happen? */
281 case 3: /* Reserved */
282 return 0;
283 case 1: /* L1 PDE */
284 if (mmulev == 3)
285 return pde;
286 pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
287 pde = ldl_phys(pde_ptr);
288
289 switch (pde & PTE_ENTRYTYPE_MASK) {
290 default:
291 case 0: /* Invalid */
292 case 3: /* Reserved */
293 return 0;
294 case 2: /* L1 PTE */
295 return pde;
296 case 1: /* L2 PDE */
297 if (mmulev == 2)
298 return pde;
299 pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
300 pde = ldl_phys(pde_ptr);
301
302 switch (pde & PTE_ENTRYTYPE_MASK) {
303 default:
304 case 0: /* Invalid */
305 case 3: /* Reserved */
306 return 0;
307 case 2: /* L2 PTE */
308 return pde;
309 case 1: /* L3 PDE */
310 if (mmulev == 1)
311 return pde;
312 pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
313 pde = ldl_phys(pde_ptr);
314
315 switch (pde & PTE_ENTRYTYPE_MASK) {
316 default:
317 case 0: /* Invalid */
318 case 1: /* PDE, should not happen */
319 case 3: /* Reserved */
320 return 0;
321 case 2: /* L3 PTE */
322 return pde;
323 }
324 }
325 }
326 }
327 return 0;
328 }
329
330 #ifdef DEBUG_MMU
331 void dump_mmu(CPUState *env)
332 {
333 target_ulong va, va1, va2;
334 unsigned int n, m, o;
335 target_phys_addr_t pde_ptr, pa;
336 uint32_t pde;
337
338 printf("MMU dump:\n");
339 pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
340 pde = ldl_phys(pde_ptr);
341 printf("Root ptr: " TARGET_FMT_plx ", ctx: %d\n",
342 (target_phys_addr_t)env->mmuregs[1] << 4, env->mmuregs[2]);
343 for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) {
344 pde = mmu_probe(env, va, 2);
345 if (pde) {
346 pa = cpu_get_phys_page_debug(env, va);
347 printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
348 " PDE: " TARGET_FMT_lx "\n", va, pa, pde);
349 for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) {
350 pde = mmu_probe(env, va1, 1);
351 if (pde) {
352 pa = cpu_get_phys_page_debug(env, va1);
353 printf(" VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
354 " PDE: " TARGET_FMT_lx "\n", va1, pa, pde);
355 for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) {
356 pde = mmu_probe(env, va2, 0);
357 if (pde) {
358 pa = cpu_get_phys_page_debug(env, va2);
359 printf(" VA: " TARGET_FMT_lx ", PA: "
360 TARGET_FMT_plx " PTE: " TARGET_FMT_lx "\n",
361 va2, pa, pde);
362 }
363 }
364 }
365 }
366 }
367 }
368 printf("MMU dump ends\n");
369 }
370 #endif /* DEBUG_MMU */
371
372 #else /* !TARGET_SPARC64 */
373 /*
374 * UltraSparc IIi I/DMMUs
375 */
376 static int get_physical_address_data(CPUState *env,
377 target_phys_addr_t *physical, int *prot,
378 target_ulong address, int rw, int is_user)
379 {
380 target_ulong mask;
381 unsigned int i;
382
383 if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */
384 *physical = address;
385 *prot = PAGE_READ | PAGE_WRITE;
386 return 0;
387 }
388
389 for (i = 0; i < 64; i++) {
390 switch ((env->dtlb_tte[i] >> 61) & 3) {
391 default:
392 case 0x0: // 8k
393 mask = 0xffffffffffffe000ULL;
394 break;
395 case 0x1: // 64k
396 mask = 0xffffffffffff0000ULL;
397 break;
398 case 0x2: // 512k
399 mask = 0xfffffffffff80000ULL;
400 break;
401 case 0x3: // 4M
402 mask = 0xffffffffffc00000ULL;
403 break;
404 }
405 // ctx match, vaddr match, valid?
406 if (env->dmmuregs[1] == (env->dtlb_tag[i] & 0x1fff) &&
407 (address & mask) == (env->dtlb_tag[i] & ~0x1fffULL) &&
408 (env->dtlb_tte[i] & 0x8000000000000000ULL)) {
409 // access ok?
410 if (((env->dtlb_tte[i] & 0x4) && is_user) ||
411 (!(env->dtlb_tte[i] & 0x2) && (rw == 1))) {
412 if (env->dmmuregs[3]) /* Fault status register */
413 env->dmmuregs[3] = 2; /* overflow (not read before
414 another fault) */
415 env->dmmuregs[3] |= (is_user << 3) | ((rw == 1) << 2) | 1;
416 env->dmmuregs[4] = address; /* Fault address register */
417 env->exception_index = TT_DFAULT;
418 #ifdef DEBUG_MMU
419 printf("DFAULT at 0x%" PRIx64 "\n", address);
420 #endif
421 return 1;
422 }
423 *physical = (env->dtlb_tte[i] & mask & 0x1fffffff000ULL) +
424 (address & ~mask & 0x1fffffff000ULL);
425 *prot = PAGE_READ;
426 if (env->dtlb_tte[i] & 0x2)
427 *prot |= PAGE_WRITE;
428 return 0;
429 }
430 }
431 #ifdef DEBUG_MMU
432 printf("DMISS at 0x%" PRIx64 "\n", address);
433 #endif
434 env->dmmuregs[6] = (address & ~0x1fffULL) | (env->dmmuregs[1] & 0x1fff);
435 env->exception_index = TT_DMISS;
436 return 1;
437 }
438
439 static int get_physical_address_code(CPUState *env,
440 target_phys_addr_t *physical, int *prot,
441 target_ulong address, int is_user)
442 {
443 target_ulong mask;
444 unsigned int i;
445
446 if ((env->lsu & IMMU_E) == 0) { /* IMMU disabled */
447 *physical = address;
448 *prot = PAGE_EXEC;
449 return 0;
450 }
451
452 for (i = 0; i < 64; i++) {
453 switch ((env->itlb_tte[i] >> 61) & 3) {
454 default:
455 case 0x0: // 8k
456 mask = 0xffffffffffffe000ULL;
457 break;
458 case 0x1: // 64k
459 mask = 0xffffffffffff0000ULL;
460 break;
461 case 0x2: // 512k
462 mask = 0xfffffffffff80000ULL;
463 break;
464 case 0x3: // 4M
465 mask = 0xffffffffffc00000ULL;
466 break;
467 }
468 // ctx match, vaddr match, valid?
469 if (env->dmmuregs[1] == (env->itlb_tag[i] & 0x1fff) &&
470 (address & mask) == (env->itlb_tag[i] & ~0x1fffULL) &&
471 (env->itlb_tte[i] & 0x8000000000000000ULL)) {
472 // access ok?
473 if ((env->itlb_tte[i] & 0x4) && is_user) {
474 if (env->immuregs[3]) /* Fault status register */
475 env->immuregs[3] = 2; /* overflow (not read before
476 another fault) */
477 env->immuregs[3] |= (is_user << 3) | 1;
478 env->exception_index = TT_TFAULT;
479 #ifdef DEBUG_MMU
480 printf("TFAULT at 0x%" PRIx64 "\n", address);
481 #endif
482 return 1;
483 }
484 *physical = (env->itlb_tte[i] & mask & 0x1fffffff000ULL) +
485 (address & ~mask & 0x1fffffff000ULL);
486 *prot = PAGE_EXEC;
487 return 0;
488 }
489 }
490 #ifdef DEBUG_MMU
491 printf("TMISS at 0x%" PRIx64 "\n", address);
492 #endif
493 env->immuregs[6] = (address & ~0x1fffULL) | (env->dmmuregs[1] & 0x1fff);
494 env->exception_index = TT_TMISS;
495 return 1;
496 }
497
498 static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
499 int *prot, int *access_index,
500 target_ulong address, int rw, int mmu_idx)
501 {
502 int is_user = mmu_idx == MMU_USER_IDX;
503
504 if (rw == 2)
505 return get_physical_address_code(env, physical, prot, address,
506 is_user);
507 else
508 return get_physical_address_data(env, physical, prot, address, rw,
509 is_user);
510 }
511
512 /* Perform address translation */
513 int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
514 int mmu_idx, int is_softmmu)
515 {
516 target_ulong virt_addr, vaddr;
517 target_phys_addr_t paddr;
518 int error_code = 0, prot, ret = 0, access_index;
519
520 error_code = get_physical_address(env, &paddr, &prot, &access_index,
521 address, rw, mmu_idx);
522 if (error_code == 0) {
523 virt_addr = address & TARGET_PAGE_MASK;
524 vaddr = virt_addr + ((address & TARGET_PAGE_MASK) &
525 (TARGET_PAGE_SIZE - 1));
526 #ifdef DEBUG_MMU
527 printf("Translate at 0x%" PRIx64 " -> 0x%" PRIx64 ", vaddr 0x%" PRIx64
528 "\n", address, paddr, vaddr);
529 #endif
530 ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
531 return ret;
532 }
533 // XXX
534 return 1;
535 }
536
537 #ifdef DEBUG_MMU
538 void dump_mmu(CPUState *env)
539 {
540 unsigned int i;
541 const char *mask;
542
543 printf("MMU contexts: Primary: %" PRId64 ", Secondary: %" PRId64 "\n",
544 env->dmmuregs[1], env->dmmuregs[2]);
545 if ((env->lsu & DMMU_E) == 0) {
546 printf("DMMU disabled\n");
547 } else {
548 printf("DMMU dump:\n");
549 for (i = 0; i < 64; i++) {
550 switch ((env->dtlb_tte[i] >> 61) & 3) {
551 default:
552 case 0x0:
553 mask = " 8k";
554 break;
555 case 0x1:
556 mask = " 64k";
557 break;
558 case 0x2:
559 mask = "512k";
560 break;
561 case 0x3:
562 mask = " 4M";
563 break;
564 }
565 if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) {
566 printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx
567 ", %s, %s, %s, %s, ctx %" PRId64 "\n",
568 env->dtlb_tag[i] & ~0x1fffULL,
569 env->dtlb_tte[i] & 0x1ffffffe000ULL,
570 mask,
571 env->dtlb_tte[i] & 0x4? "priv": "user",
572 env->dtlb_tte[i] & 0x2? "RW": "RO",
573 env->dtlb_tte[i] & 0x40? "locked": "unlocked",
574 env->dtlb_tag[i] & 0x1fffULL);
575 }
576 }
577 }
578 if ((env->lsu & IMMU_E) == 0) {
579 printf("IMMU disabled\n");
580 } else {
581 printf("IMMU dump:\n");
582 for (i = 0; i < 64; i++) {
583 switch ((env->itlb_tte[i] >> 61) & 3) {
584 default:
585 case 0x0:
586 mask = " 8k";
587 break;
588 case 0x1:
589 mask = " 64k";
590 break;
591 case 0x2:
592 mask = "512k";
593 break;
594 case 0x3:
595 mask = " 4M";
596 break;
597 }
598 if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) {
599 printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx
600 ", %s, %s, %s, ctx %" PRId64 "\n",
601 env->itlb_tag[i] & ~0x1fffULL,
602 env->itlb_tte[i] & 0x1ffffffe000ULL,
603 mask,
604 env->itlb_tte[i] & 0x4? "priv": "user",
605 env->itlb_tte[i] & 0x40? "locked": "unlocked",
606 env->itlb_tag[i] & 0x1fffULL);
607 }
608 }
609 }
610 }
611 #endif /* DEBUG_MMU */
612
613 #endif /* TARGET_SPARC64 */
614 #endif /* !CONFIG_USER_ONLY */
615
616
617 #if defined(CONFIG_USER_ONLY)
618 target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
619 {
620 return addr;
621 }
622
623 #else
624 target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
625 {
626 target_phys_addr_t phys_addr;
627 int prot, access_index;
628
629 if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2,
630 MMU_KERNEL_IDX) != 0)
631 if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
632 0, MMU_KERNEL_IDX) != 0)
633 return -1;
634 if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
635 return -1;
636 return phys_addr;
637 }
638 #endif
639
640 void cpu_reset(CPUSPARCState *env)
641 {
642 tlb_flush(env, 1);
643 env->cwp = 0;
644 env->wim = 1;
645 env->regwptr = env->regbase + (env->cwp * 16);
646 #if defined(CONFIG_USER_ONLY)
647 env->user_mode_only = 1;
648 #ifdef TARGET_SPARC64
649 env->cleanwin = env->nwindows - 2;
650 env->cansave = env->nwindows - 2;
651 env->pstate = PS_RMO | PS_PEF | PS_IE;
652 env->asi = 0x82; // Primary no-fault
653 #endif
654 #else
655 env->psret = 0;
656 env->psrs = 1;
657 env->psrps = 1;
658 #ifdef TARGET_SPARC64
659 env->pstate = PS_PRIV;
660 env->hpstate = HS_PRIV;
661 env->tsptr = &env->ts[env->tl & MAXTL_MASK];
662 #else
663 env->mmuregs[0] &= ~(MMU_E | MMU_NF);
664 env->mmuregs[0] |= env->def->mmu_bm;
665 #endif
666 env->pc = 0;
667 env->npc = env->pc + 4;
668 #endif
669 }
670
671 static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
672 {
673 sparc_def_t def1, *def = &def1;
674
675 if (cpu_sparc_find_by_name(def, cpu_model) < 0)
676 return -1;
677
678 env->def = qemu_mallocz(sizeof(*def));
679 memcpy(env->def, def, sizeof(*def));
680 #if defined(CONFIG_USER_ONLY)
681 if ((env->def->features & CPU_FEATURE_FLOAT))
682 env->def->features |= CPU_FEATURE_FLOAT128;
683 #endif
684 env->cpu_model_str = cpu_model;
685 env->version = def->iu_version;
686 env->fsr = def->fpu_version;
687 env->nwindows = def->nwindows;
688 #if !defined(TARGET_SPARC64)
689 env->mmuregs[0] |= def->mmu_version;
690 cpu_sparc_set_id(env, 0);
691 env->mxccregs[7] |= def->mxcc_version;
692 #else
693 env->mmu_version = def->mmu_version;
694 env->maxtl = def->maxtl;
695 env->version |= def->maxtl << 8;
696 env->version |= def->nwindows - 1;
697 #endif
698 return 0;
699 }
700
701 static void cpu_sparc_close(CPUSPARCState *env)
702 {
703 free(env->def);
704 free(env);
705 }
706
707 CPUSPARCState *cpu_sparc_init(const char *cpu_model)
708 {
709 CPUSPARCState *env;
710
711 env = qemu_mallocz(sizeof(CPUSPARCState));
712 if (!env)
713 return NULL;
714 cpu_exec_init(env);
715
716 gen_intermediate_code_init(env);
717
718 if (cpu_sparc_register(env, cpu_model) < 0) {
719 cpu_sparc_close(env);
720 return NULL;
721 }
722 cpu_reset(env);
723
724 return env;
725 }
726
727 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
728 {
729 #if !defined(TARGET_SPARC64)
730 env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
731 #endif
732 }
733
734 static const sparc_def_t sparc_defs[] = {
735 #ifdef TARGET_SPARC64
736 {
737 .name = "Fujitsu Sparc64",
738 .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
739 .fpu_version = 0x00000000,
740 .mmu_version = mmu_us_12,
741 .nwindows = 4,
742 .maxtl = 4,
743 .features = CPU_DEFAULT_FEATURES,
744 },
745 {
746 .name = "Fujitsu Sparc64 III",
747 .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
748 .fpu_version = 0x00000000,
749 .mmu_version = mmu_us_12,
750 .nwindows = 5,
751 .maxtl = 4,
752 .features = CPU_DEFAULT_FEATURES,
753 },
754 {
755 .name = "Fujitsu Sparc64 IV",
756 .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
757 .fpu_version = 0x00000000,
758 .mmu_version = mmu_us_12,
759 .nwindows = 8,
760 .maxtl = 5,
761 .features = CPU_DEFAULT_FEATURES,
762 },
763 {
764 .name = "Fujitsu Sparc64 V",
765 .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
766 .fpu_version = 0x00000000,
767 .mmu_version = mmu_us_12,
768 .nwindows = 8,
769 .maxtl = 5,
770 .features = CPU_DEFAULT_FEATURES,
771 },
772 {
773 .name = "TI UltraSparc I",
774 .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
775 .fpu_version = 0x00000000,
776 .mmu_version = mmu_us_12,
777 .nwindows = 8,
778 .maxtl = 5,
779 .features = CPU_DEFAULT_FEATURES,
780 },
781 {
782 .name = "TI UltraSparc II",
783 .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
784 .fpu_version = 0x00000000,
785 .mmu_version = mmu_us_12,
786 .nwindows = 8,
787 .maxtl = 5,
788 .features = CPU_DEFAULT_FEATURES,
789 },
790 {
791 .name = "TI UltraSparc IIi",
792 .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
793 .fpu_version = 0x00000000,
794 .mmu_version = mmu_us_12,
795 .nwindows = 8,
796 .maxtl = 5,
797 .features = CPU_DEFAULT_FEATURES,
798 },
799 {
800 .name = "TI UltraSparc IIe",
801 .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
802 .fpu_version = 0x00000000,
803 .mmu_version = mmu_us_12,
804 .nwindows = 8,
805 .maxtl = 5,
806 .features = CPU_DEFAULT_FEATURES,
807 },
808 {
809 .name = "Sun UltraSparc III",
810 .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
811 .fpu_version = 0x00000000,
812 .mmu_version = mmu_us_12,
813 .nwindows = 8,
814 .maxtl = 5,
815 .features = CPU_DEFAULT_FEATURES,
816 },
817 {
818 .name = "Sun UltraSparc III Cu",
819 .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
820 .fpu_version = 0x00000000,
821 .mmu_version = mmu_us_3,
822 .nwindows = 8,
823 .maxtl = 5,
824 .features = CPU_DEFAULT_FEATURES,
825 },
826 {
827 .name = "Sun UltraSparc IIIi",
828 .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
829 .fpu_version = 0x00000000,
830 .mmu_version = mmu_us_12,
831 .nwindows = 8,
832 .maxtl = 5,
833 .features = CPU_DEFAULT_FEATURES,
834 },
835 {
836 .name = "Sun UltraSparc IV",
837 .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
838 .fpu_version = 0x00000000,
839 .mmu_version = mmu_us_4,
840 .nwindows = 8,
841 .maxtl = 5,
842 .features = CPU_DEFAULT_FEATURES,
843 },
844 {
845 .name = "Sun UltraSparc IV+",
846 .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
847 .fpu_version = 0x00000000,
848 .mmu_version = mmu_us_12,
849 .nwindows = 8,
850 .maxtl = 5,
851 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
852 },
853 {
854 .name = "Sun UltraSparc IIIi+",
855 .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
856 .fpu_version = 0x00000000,
857 .mmu_version = mmu_us_3,
858 .nwindows = 8,
859 .maxtl = 5,
860 .features = CPU_DEFAULT_FEATURES,
861 },
862 {
863 .name = "Sun UltraSparc T1",
864 // defined in sparc_ifu_fdp.v and ctu.h
865 .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
866 .fpu_version = 0x00000000,
867 .mmu_version = mmu_sun4v,
868 .nwindows = 8,
869 .maxtl = 6,
870 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
871 | CPU_FEATURE_GL,
872 },
873 {
874 .name = "Sun UltraSparc T2",
875 // defined in tlu_asi_ctl.v and n2_revid_cust.v
876 .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
877 .fpu_version = 0x00000000,
878 .mmu_version = mmu_sun4v,
879 .nwindows = 8,
880 .maxtl = 6,
881 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
882 | CPU_FEATURE_GL,
883 },
884 {
885 .name = "NEC UltraSparc I",
886 .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
887 .fpu_version = 0x00000000,
888 .mmu_version = mmu_us_12,
889 .nwindows = 8,
890 .maxtl = 5,
891 .features = CPU_DEFAULT_FEATURES,
892 },
893 #else
894 {
895 .name = "Fujitsu MB86900",
896 .iu_version = 0x00 << 24, /* Impl 0, ver 0 */
897 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
898 .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */
899 .mmu_bm = 0x00004000,
900 .mmu_ctpr_mask = 0x007ffff0,
901 .mmu_cxr_mask = 0x0000003f,
902 .mmu_sfsr_mask = 0xffffffff,
903 .mmu_trcr_mask = 0xffffffff,
904 .nwindows = 7,
905 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD,
906 },
907 {
908 .name = "Fujitsu MB86904",
909 .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
910 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
911 .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
912 .mmu_bm = 0x00004000,
913 .mmu_ctpr_mask = 0x00ffffc0,
914 .mmu_cxr_mask = 0x000000ff,
915 .mmu_sfsr_mask = 0x00016fff,
916 .mmu_trcr_mask = 0x00ffffff,
917 .nwindows = 8,
918 .features = CPU_DEFAULT_FEATURES,
919 },
920 {
921 .name = "Fujitsu MB86907",
922 .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
923 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
924 .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
925 .mmu_bm = 0x00004000,
926 .mmu_ctpr_mask = 0xffffffc0,
927 .mmu_cxr_mask = 0x000000ff,
928 .mmu_sfsr_mask = 0x00016fff,
929 .mmu_trcr_mask = 0xffffffff,
930 .nwindows = 8,
931 .features = CPU_DEFAULT_FEATURES,
932 },
933 {
934 .name = "LSI L64811",
935 .iu_version = 0x10 << 24, /* Impl 1, ver 0 */
936 .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */
937 .mmu_version = 0x10 << 24,
938 .mmu_bm = 0x00004000,
939 .mmu_ctpr_mask = 0x007ffff0,
940 .mmu_cxr_mask = 0x0000003f,
941 .mmu_sfsr_mask = 0xffffffff,
942 .mmu_trcr_mask = 0xffffffff,
943 .nwindows = 8,
944 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
945 CPU_FEATURE_FSMULD,
946 },
947 {
948 .name = "Cypress CY7C601",
949 .iu_version = 0x11 << 24, /* Impl 1, ver 1 */
950 .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
951 .mmu_version = 0x10 << 24,
952 .mmu_bm = 0x00004000,
953 .mmu_ctpr_mask = 0x007ffff0,
954 .mmu_cxr_mask = 0x0000003f,
955 .mmu_sfsr_mask = 0xffffffff,
956 .mmu_trcr_mask = 0xffffffff,
957 .nwindows = 8,
958 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
959 CPU_FEATURE_FSMULD,
960 },
961 {
962 .name = "Cypress CY7C611",
963 .iu_version = 0x13 << 24, /* Impl 1, ver 3 */
964 .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
965 .mmu_version = 0x10 << 24,
966 .mmu_bm = 0x00004000,
967 .mmu_ctpr_mask = 0x007ffff0,
968 .mmu_cxr_mask = 0x0000003f,
969 .mmu_sfsr_mask = 0xffffffff,
970 .mmu_trcr_mask = 0xffffffff,
971 .nwindows = 8,
972 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
973 CPU_FEATURE_FSMULD,
974 },
975 {
976 .name = "TI MicroSparc I",
977 .iu_version = 0x41000000,
978 .fpu_version = 4 << 17,
979 .mmu_version = 0x41000000,
980 .mmu_bm = 0x00004000,
981 .mmu_ctpr_mask = 0x007ffff0,
982 .mmu_cxr_mask = 0x0000003f,
983 .mmu_sfsr_mask = 0x00016fff,
984 .mmu_trcr_mask = 0x0000003f,
985 .nwindows = 7,
986 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
987 CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
988 CPU_FEATURE_FMUL,
989 },
990 {
991 .name = "TI MicroSparc II",
992 .iu_version = 0x42000000,
993 .fpu_version = 4 << 17,
994 .mmu_version = 0x02000000,
995 .mmu_bm = 0x00004000,
996 .mmu_ctpr_mask = 0x00ffffc0,
997 .mmu_cxr_mask = 0x000000ff,
998 .mmu_sfsr_mask = 0x00016fff,
999 .mmu_trcr_mask = 0x00ffffff,
1000 .nwindows = 8,
1001 .features = CPU_DEFAULT_FEATURES,
1002 },
1003 {
1004 .name = "TI MicroSparc IIep",
1005 .iu_version = 0x42000000,
1006 .fpu_version = 4 << 17,
1007 .mmu_version = 0x04000000,
1008 .mmu_bm = 0x00004000,
1009 .mmu_ctpr_mask = 0x00ffffc0,
1010 .mmu_cxr_mask = 0x000000ff,
1011 .mmu_sfsr_mask = 0x00016bff,
1012 .mmu_trcr_mask = 0x00ffffff,
1013 .nwindows = 8,
1014 .features = CPU_DEFAULT_FEATURES,
1015 },
1016 {
1017 .name = "TI SuperSparc 40", // STP1020NPGA
1018 .iu_version = 0x41000000, // SuperSPARC 2.x
1019 .fpu_version = 0 << 17,
1020 .mmu_version = 0x00000800, // SuperSPARC 2.x, no MXCC
1021 .mmu_bm = 0x00002000,
1022 .mmu_ctpr_mask = 0xffffffc0,
1023 .mmu_cxr_mask = 0x0000ffff,
1024 .mmu_sfsr_mask = 0xffffffff,
1025 .mmu_trcr_mask = 0xffffffff,
1026 .nwindows = 8,
1027 .features = CPU_DEFAULT_FEATURES,
1028 },
1029 {
1030 .name = "TI SuperSparc 50", // STP1020PGA
1031 .iu_version = 0x40000000, // SuperSPARC 3.x
1032 .fpu_version = 0 << 17,
1033 .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC
1034 .mmu_bm = 0x00002000,
1035 .mmu_ctpr_mask = 0xffffffc0,
1036 .mmu_cxr_mask = 0x0000ffff,
1037 .mmu_sfsr_mask = 0xffffffff,
1038 .mmu_trcr_mask = 0xffffffff,
1039 .nwindows = 8,
1040 .features = CPU_DEFAULT_FEATURES,
1041 },
1042 {
1043 .name = "TI SuperSparc 51",
1044 .iu_version = 0x40000000, // SuperSPARC 3.x
1045 .fpu_version = 0 << 17,
1046 .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC
1047 .mmu_bm = 0x00002000,
1048 .mmu_ctpr_mask = 0xffffffc0,
1049 .mmu_cxr_mask = 0x0000ffff,
1050 .mmu_sfsr_mask = 0xffffffff,
1051 .mmu_trcr_mask = 0xffffffff,
1052 .mxcc_version = 0x00000104,
1053 .nwindows = 8,
1054 .features = CPU_DEFAULT_FEATURES,
1055 },
1056 {
1057 .name = "TI SuperSparc 60", // STP1020APGA
1058 .iu_version = 0x40000000, // SuperSPARC 3.x
1059 .fpu_version = 0 << 17,
1060 .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC
1061 .mmu_bm = 0x00002000,
1062 .mmu_ctpr_mask = 0xffffffc0,
1063 .mmu_cxr_mask = 0x0000ffff,
1064 .mmu_sfsr_mask = 0xffffffff,
1065 .mmu_trcr_mask = 0xffffffff,
1066 .nwindows = 8,
1067 .features = CPU_DEFAULT_FEATURES,
1068 },
1069 {
1070 .name = "TI SuperSparc 61",
1071 .iu_version = 0x44000000, // SuperSPARC 3.x
1072 .fpu_version = 0 << 17,
1073 .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC
1074 .mmu_bm = 0x00002000,
1075 .mmu_ctpr_mask = 0xffffffc0,
1076 .mmu_cxr_mask = 0x0000ffff,
1077 .mmu_sfsr_mask = 0xffffffff,
1078 .mmu_trcr_mask = 0xffffffff,
1079 .mxcc_version = 0x00000104,
1080 .nwindows = 8,
1081 .features = CPU_DEFAULT_FEATURES,
1082 },
1083 {
1084 .name = "TI SuperSparc II",
1085 .iu_version = 0x40000000, // SuperSPARC II 1.x
1086 .fpu_version = 0 << 17,
1087 .mmu_version = 0x08000000, // SuperSPARC II 1.x, MXCC
1088 .mmu_bm = 0x00002000,
1089 .mmu_ctpr_mask = 0xffffffc0,
1090 .mmu_cxr_mask = 0x0000ffff,
1091 .mmu_sfsr_mask = 0xffffffff,
1092 .mmu_trcr_mask = 0xffffffff,
1093 .mxcc_version = 0x00000104,
1094 .nwindows = 8,
1095 .features = CPU_DEFAULT_FEATURES,
1096 },
1097 {
1098 .name = "Ross RT625",
1099 .iu_version = 0x1e000000,
1100 .fpu_version = 1 << 17,
1101 .mmu_version = 0x1e000000,
1102 .mmu_bm = 0x00004000,
1103 .mmu_ctpr_mask = 0x007ffff0,
1104 .mmu_cxr_mask = 0x0000003f,
1105 .mmu_sfsr_mask = 0xffffffff,
1106 .mmu_trcr_mask = 0xffffffff,
1107 .nwindows = 8,
1108 .features = CPU_DEFAULT_FEATURES,
1109 },
1110 {
1111 .name = "Ross RT620",
1112 .iu_version = 0x1f000000,
1113 .fpu_version = 1 << 17,
1114 .mmu_version = 0x1f000000,
1115 .mmu_bm = 0x00004000,
1116 .mmu_ctpr_mask = 0x007ffff0,
1117 .mmu_cxr_mask = 0x0000003f,
1118 .mmu_sfsr_mask = 0xffffffff,
1119 .mmu_trcr_mask = 0xffffffff,
1120 .nwindows = 8,
1121 .features = CPU_DEFAULT_FEATURES,
1122 },
1123 {
1124 .name = "BIT B5010",
1125 .iu_version = 0x20000000,
1126 .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */
1127 .mmu_version = 0x20000000,
1128 .mmu_bm = 0x00004000,
1129 .mmu_ctpr_mask = 0x007ffff0,
1130 .mmu_cxr_mask = 0x0000003f,
1131 .mmu_sfsr_mask = 0xffffffff,
1132 .mmu_trcr_mask = 0xffffffff,
1133 .nwindows = 8,
1134 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1135 CPU_FEATURE_FSMULD,
1136 },
1137 {
1138 .name = "Matsushita MN10501",
1139 .iu_version = 0x50000000,
1140 .fpu_version = 0 << 17,
1141 .mmu_version = 0x50000000,
1142 .mmu_bm = 0x00004000,
1143 .mmu_ctpr_mask = 0x007ffff0,
1144 .mmu_cxr_mask = 0x0000003f,
1145 .mmu_sfsr_mask = 0xffffffff,
1146 .mmu_trcr_mask = 0xffffffff,
1147 .nwindows = 8,
1148 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT |
1149 CPU_FEATURE_FSMULD,
1150 },
1151 {
1152 .name = "Weitek W8601",
1153 .iu_version = 0x90 << 24, /* Impl 9, ver 0 */
1154 .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */
1155 .mmu_version = 0x10 << 24,
1156 .mmu_bm = 0x00004000,
1157 .mmu_ctpr_mask = 0x007ffff0,
1158 .mmu_cxr_mask = 0x0000003f,
1159 .mmu_sfsr_mask = 0xffffffff,
1160 .mmu_trcr_mask = 0xffffffff,
1161 .nwindows = 8,
1162 .features = CPU_DEFAULT_FEATURES,
1163 },
1164 {
1165 .name = "LEON2",
1166 .iu_version = 0xf2000000,
1167 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1168 .mmu_version = 0xf2000000,
1169 .mmu_bm = 0x00004000,
1170 .mmu_ctpr_mask = 0x007ffff0,
1171 .mmu_cxr_mask = 0x0000003f,
1172 .mmu_sfsr_mask = 0xffffffff,
1173 .mmu_trcr_mask = 0xffffffff,
1174 .nwindows = 8,
1175 .features = CPU_DEFAULT_FEATURES,
1176 },
1177 {
1178 .name = "LEON3",
1179 .iu_version = 0xf3000000,
1180 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1181 .mmu_version = 0xf3000000,
1182 .mmu_bm = 0x00004000,
1183 .mmu_ctpr_mask = 0x007ffff0,
1184 .mmu_cxr_mask = 0x0000003f,
1185 .mmu_sfsr_mask = 0xffffffff,
1186 .mmu_trcr_mask = 0xffffffff,
1187 .nwindows = 8,
1188 .features = CPU_DEFAULT_FEATURES,
1189 },
1190 #endif
1191 };
1192
1193 static const char * const feature_name[] = {
1194 "float",
1195 "float128",
1196 "swap",
1197 "mul",
1198 "div",
1199 "flush",
1200 "fsqrt",
1201 "fmul",
1202 "vis1",
1203 "vis2",
1204 "fsmuld",
1205 "hypv",
1206 "cmt",
1207 "gl",
1208 };
1209
1210 static void print_features(FILE *f,
1211 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1212 uint32_t features, const char *prefix)
1213 {
1214 unsigned int i;
1215
1216 for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1217 if (feature_name[i] && (features & (1 << i))) {
1218 if (prefix)
1219 (*cpu_fprintf)(f, "%s", prefix);
1220 (*cpu_fprintf)(f, "%s ", feature_name[i]);
1221 }
1222 }
1223
1224 static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
1225 {
1226 unsigned int i;
1227
1228 for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1229 if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
1230 *features |= 1 << i;
1231 return;
1232 }
1233 fprintf(stderr, "CPU feature %s not found\n", flagname);
1234 }
1235
1236 static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
1237 {
1238 unsigned int i;
1239 const sparc_def_t *def = NULL;
1240 char *s = strdup(cpu_model);
1241 char *featurestr, *name = strtok(s, ",");
1242 uint32_t plus_features = 0;
1243 uint32_t minus_features = 0;
1244 long long iu_version;
1245 uint32_t fpu_version, mmu_version, nwindows;
1246
1247 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
1248 if (strcasecmp(name, sparc_defs[i].name) == 0) {
1249 def = &sparc_defs[i];
1250 }
1251 }
1252 if (!def)
1253 goto error;
1254 memcpy(cpu_def, def, sizeof(*def));
1255
1256 featurestr = strtok(NULL, ",");
1257 while (featurestr) {
1258 char *val;
1259
1260 if (featurestr[0] == '+') {
1261 add_flagname_to_bitmaps(featurestr + 1, &plus_features);
1262 } else if (featurestr[0] == '-') {
1263 add_flagname_to_bitmaps(featurestr + 1, &minus_features);
1264 } else if ((val = strchr(featurestr, '='))) {
1265 *val = 0; val++;
1266 if (!strcmp(featurestr, "iu_version")) {
1267 char *err;
1268
1269 iu_version = strtoll(val, &err, 0);
1270 if (!*val || *err) {
1271 fprintf(stderr, "bad numerical value %s\n", val);
1272 goto error;
1273 }
1274 cpu_def->iu_version = iu_version;
1275 #ifdef DEBUG_FEATURES
1276 fprintf(stderr, "iu_version %llx\n", iu_version);
1277 #endif
1278 } else if (!strcmp(featurestr, "fpu_version")) {
1279 char *err;
1280
1281 fpu_version = strtol(val, &err, 0);
1282 if (!*val || *err) {
1283 fprintf(stderr, "bad numerical value %s\n", val);
1284 goto error;
1285 }
1286 cpu_def->fpu_version = fpu_version;
1287 #ifdef DEBUG_FEATURES
1288 fprintf(stderr, "fpu_version %llx\n", fpu_version);
1289 #endif
1290 } else if (!strcmp(featurestr, "mmu_version")) {
1291 char *err;
1292
1293 mmu_version = strtol(val, &err, 0);
1294 if (!*val || *err) {
1295 fprintf(stderr, "bad numerical value %s\n", val);
1296 goto error;
1297 }
1298 cpu_def->mmu_version = mmu_version;
1299 #ifdef DEBUG_FEATURES
1300 fprintf(stderr, "mmu_version %llx\n", mmu_version);
1301 #endif
1302 } else if (!strcmp(featurestr, "nwindows")) {
1303 char *err;
1304
1305 nwindows = strtol(val, &err, 0);
1306 if (!*val || *err || nwindows > MAX_NWINDOWS ||
1307 nwindows < MIN_NWINDOWS) {
1308 fprintf(stderr, "bad numerical value %s\n", val);
1309 goto error;
1310 }
1311 cpu_def->nwindows = nwindows;
1312 #ifdef DEBUG_FEATURES
1313 fprintf(stderr, "nwindows %d\n", nwindows);
1314 #endif
1315 } else {
1316 fprintf(stderr, "unrecognized feature %s\n", featurestr);
1317 goto error;
1318 }
1319 } else {
1320 fprintf(stderr, "feature string `%s' not in format "
1321 "(+feature|-feature|feature=xyz)\n", featurestr);
1322 goto error;
1323 }
1324 featurestr = strtok(NULL, ",");
1325 }
1326 cpu_def->features |= plus_features;
1327 cpu_def->features &= ~minus_features;
1328 #ifdef DEBUG_FEATURES
1329 print_features(stderr, fprintf, cpu_def->features, NULL);
1330 #endif
1331 free(s);
1332 return 0;
1333
1334 error:
1335 free(s);
1336 return -1;
1337 }
1338
1339 void sparc_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
1340 {
1341 unsigned int i;
1342
1343 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
1344 (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ",
1345 sparc_defs[i].name,
1346 sparc_defs[i].iu_version,
1347 sparc_defs[i].fpu_version,
1348 sparc_defs[i].mmu_version,
1349 sparc_defs[i].nwindows);
1350 print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
1351 ~sparc_defs[i].features, "-");
1352 print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
1353 sparc_defs[i].features, "+");
1354 (*cpu_fprintf)(f, "\n");
1355 }
1356 (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
1357 print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
1358 (*cpu_fprintf)(f, "\n");
1359 (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
1360 print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
1361 (*cpu_fprintf)(f, "\n");
1362 (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
1363 "fpu_version mmu_version nwindows\n");
1364 }
1365
1366 #define GET_FLAG(a,b) ((env->psr & a)?b:'-')
1367
1368 void cpu_dump_state(CPUState *env, FILE *f,
1369 int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1370 int flags)
1371 {
1372 int i, x;
1373
1374 cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc,
1375 env->npc);
1376 cpu_fprintf(f, "General Registers:\n");
1377 for (i = 0; i < 4; i++)
1378 cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
1379 cpu_fprintf(f, "\n");
1380 for (; i < 8; i++)
1381 cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
1382 cpu_fprintf(f, "\nCurrent Register Window:\n");
1383 for (x = 0; x < 3; x++) {
1384 for (i = 0; i < 4; i++)
1385 cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
1386 (x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i,
1387 env->regwptr[i + x * 8]);
1388 cpu_fprintf(f, "\n");
1389 for (; i < 8; i++)
1390 cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
1391 (x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i,
1392 env->regwptr[i + x * 8]);
1393 cpu_fprintf(f, "\n");
1394 }
1395 cpu_fprintf(f, "\nFloating Point Registers:\n");
1396 for (i = 0; i < 32; i++) {
1397 if ((i & 3) == 0)
1398 cpu_fprintf(f, "%%f%02d:", i);
1399 cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]);
1400 if ((i & 3) == 3)
1401 cpu_fprintf(f, "\n");
1402 }
1403 #ifdef TARGET_SPARC64
1404 cpu_fprintf(f, "pstate: 0x%08x ccr: 0x%02x asi: 0x%02x tl: %d fprs: %d\n",
1405 env->pstate, GET_CCR(env), env->asi, env->tl, env->fprs);
1406 cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate %d "
1407 "cleanwin %d cwp %d\n",
1408 env->cansave, env->canrestore, env->otherwin, env->wstate,
1409 env->cleanwin, env->nwindows - 1 - env->cwp);
1410 #else
1411 cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n",
1412 GET_PSR(env), GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'),
1413 GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'),
1414 env->psrs?'S':'-', env->psrps?'P':'-',
1415 env->psret?'E':'-', env->wim);
1416 #endif
1417 cpu_fprintf(f, "fsr: 0x%08x\n", env->fsr);
1418 }
Samsung s3c2440 and arm920t support for the mini2440 dev board