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target-arm: Don't update base register on abort in Thumb T1 LDM
[qemu/mdroth.git] / target-sparc / helper.c
blobb2d4d70a11fe887ba993ab23d56d7844c8b30616
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, see <http://www.gnu.org/licenses/>.
18 */
19 #include <stdarg.h>
20 #include <stdlib.h>
21 #include <stdio.h>
22 #include <string.h>
23 #include <inttypes.h>
24 #include <signal.h>
25
26 #include "cpu.h"
27 #include "exec-all.h"
28 #include "qemu-common.h"
29
30 //#define DEBUG_MMU
31 //#define DEBUG_FEATURES
32
33 #ifdef DEBUG_MMU
34 #define DPRINTF_MMU(fmt, ...) \
35 do { printf("MMU: " fmt , ## __VA_ARGS__); } while (0)
36 #else
37 #define DPRINTF_MMU(fmt, ...) do {} while (0)
38 #endif
39
40 static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model);
41
42 /* Sparc MMU emulation */
43
44 #if defined(CONFIG_USER_ONLY)
45
46 int cpu_sparc_handle_mmu_fault(CPUState *env1, target_ulong address, int rw,
47 int mmu_idx, int is_softmmu)
48 {
49 if (rw & 2)
50 env1->exception_index = TT_TFAULT;
51 else
52 env1->exception_index = TT_DFAULT;
53 return 1;
54 }
55
56 #else
57
58 #ifndef TARGET_SPARC64
59 /*
60 * Sparc V8 Reference MMU (SRMMU)
61 */
62 static const int access_table[8][8] = {
63 { 0, 0, 0, 0, 8, 0, 12, 12 },
64 { 0, 0, 0, 0, 8, 0, 0, 0 },
65 { 8, 8, 0, 0, 0, 8, 12, 12 },
66 { 8, 8, 0, 0, 0, 8, 0, 0 },
67 { 8, 0, 8, 0, 8, 8, 12, 12 },
68 { 8, 0, 8, 0, 8, 0, 8, 0 },
69 { 8, 8, 8, 0, 8, 8, 12, 12 },
70 { 8, 8, 8, 0, 8, 8, 8, 0 }
71 };
72
73 static const int perm_table[2][8] = {
74 {
75 PAGE_READ,
76 PAGE_READ | PAGE_WRITE,
77 PAGE_READ | PAGE_EXEC,
78 PAGE_READ | PAGE_WRITE | PAGE_EXEC,
79 PAGE_EXEC,
80 PAGE_READ | PAGE_WRITE,
81 PAGE_READ | PAGE_EXEC,
82 PAGE_READ | PAGE_WRITE | PAGE_EXEC
83 },
84 {
85 PAGE_READ,
86 PAGE_READ | PAGE_WRITE,
87 PAGE_READ | PAGE_EXEC,
88 PAGE_READ | PAGE_WRITE | PAGE_EXEC,
89 PAGE_EXEC,
90 PAGE_READ,
91 0,
92 0,
93 }
94 };
95
96 static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
97 int *prot, int *access_index,
98 target_ulong address, int rw, int mmu_idx,
99 target_ulong *page_size)
100 {
101 int access_perms = 0;
102 target_phys_addr_t pde_ptr;
103 uint32_t pde;
104 int error_code = 0, is_dirty, is_user;
105 unsigned long page_offset;
106
107 is_user = mmu_idx == MMU_USER_IDX;
108
109 if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
110 *page_size = TARGET_PAGE_SIZE;
111 // Boot mode: instruction fetches are taken from PROM
112 if (rw == 2 && (env->mmuregs[0] & env->def->mmu_bm)) {
113 *physical = env->prom_addr | (address & 0x7ffffULL);
114 *prot = PAGE_READ | PAGE_EXEC;
115 return 0;
116 }
117 *physical = address;
118 *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
119 return 0;
120 }
121
122 *access_index = ((rw & 1) << 2) | (rw & 2) | (is_user? 0 : 1);
123 *physical = 0xffffffffffff0000ULL;
124
125 /* SPARC reference MMU table walk: Context table->L1->L2->PTE */
126 /* Context base + context number */
127 pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
128 pde = ldl_phys(pde_ptr);
129
130 /* Ctx pde */
131 switch (pde & PTE_ENTRYTYPE_MASK) {
132 default:
133 case 0: /* Invalid */
134 return 1 << 2;
135 case 2: /* L0 PTE, maybe should not happen? */
136 case 3: /* Reserved */
137 return 4 << 2;
138 case 1: /* L0 PDE */
139 pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
140 pde = ldl_phys(pde_ptr);
141
142 switch (pde & PTE_ENTRYTYPE_MASK) {
143 default:
144 case 0: /* Invalid */
145 return (1 << 8) | (1 << 2);
146 case 3: /* Reserved */
147 return (1 << 8) | (4 << 2);
148 case 1: /* L1 PDE */
149 pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
150 pde = ldl_phys(pde_ptr);
151
152 switch (pde & PTE_ENTRYTYPE_MASK) {
153 default:
154 case 0: /* Invalid */
155 return (2 << 8) | (1 << 2);
156 case 3: /* Reserved */
157 return (2 << 8) | (4 << 2);
158 case 1: /* L2 PDE */
159 pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
160 pde = ldl_phys(pde_ptr);
161
162 switch (pde & PTE_ENTRYTYPE_MASK) {
163 default:
164 case 0: /* Invalid */
165 return (3 << 8) | (1 << 2);
166 case 1: /* PDE, should not happen */
167 case 3: /* Reserved */
168 return (3 << 8) | (4 << 2);
169 case 2: /* L3 PTE */
170 page_offset = (address & TARGET_PAGE_MASK) &
171 (TARGET_PAGE_SIZE - 1);
172 }
173 *page_size = TARGET_PAGE_SIZE;
174 break;
175 case 2: /* L2 PTE */
176 page_offset = address & 0x3ffff;
177 *page_size = 0x40000;
178 }
179 break;
180 case 2: /* L1 PTE */
181 page_offset = address & 0xffffff;
182 *page_size = 0x1000000;
183 }
184 }
185
186 /* check access */
187 access_perms = (pde & PTE_ACCESS_MASK) >> PTE_ACCESS_SHIFT;
188 error_code = access_table[*access_index][access_perms];
189 if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user))
190 return error_code;
191
192 /* update page modified and dirty bits */
193 is_dirty = (rw & 1) && !(pde & PG_MODIFIED_MASK);
194 if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
195 pde |= PG_ACCESSED_MASK;
196 if (is_dirty)
197 pde |= PG_MODIFIED_MASK;
198 stl_phys_notdirty(pde_ptr, pde);
199 }
200
201 /* the page can be put in the TLB */
202 *prot = perm_table[is_user][access_perms];
203 if (!(pde & PG_MODIFIED_MASK)) {
204 /* only set write access if already dirty... otherwise wait
205 for dirty access */
206 *prot &= ~PAGE_WRITE;
207 }
208
209 /* Even if large ptes, we map only one 4KB page in the cache to
210 avoid filling it too fast */
211 *physical = ((target_phys_addr_t)(pde & PTE_ADDR_MASK) << 4) + page_offset;
212 return error_code;
213 }
214
215 /* Perform address translation */
216 int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
217 int mmu_idx, int is_softmmu)
218 {
219 target_phys_addr_t paddr;
220 target_ulong vaddr;
221 target_ulong page_size;
222 int error_code = 0, prot, access_index;
223
224 error_code = get_physical_address(env, &paddr, &prot, &access_index,
225 address, rw, mmu_idx, &page_size);
226 if (error_code == 0) {
227 vaddr = address & TARGET_PAGE_MASK;
228 paddr &= TARGET_PAGE_MASK;
229 #ifdef DEBUG_MMU
230 printf("Translate at " TARGET_FMT_lx " -> " TARGET_FMT_plx ", vaddr "
231 TARGET_FMT_lx "\n", address, paddr, vaddr);
232 #endif
233 tlb_set_page(env, vaddr, paddr, prot, mmu_idx, page_size);
234 return 0;
235 }
236
237 if (env->mmuregs[3]) /* Fault status register */
238 env->mmuregs[3] = 1; /* overflow (not read before another fault) */
239 env->mmuregs[3] |= (access_index << 5) | error_code | 2;
240 env->mmuregs[4] = address; /* Fault address register */
241
242 if ((env->mmuregs[0] & MMU_NF) || env->psret == 0) {
243 // No fault mode: if a mapping is available, just override
244 // permissions. If no mapping is available, redirect accesses to
245 // neverland. Fake/overridden mappings will be flushed when
246 // switching to normal mode.
247 vaddr = address & TARGET_PAGE_MASK;
248 prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
249 tlb_set_page(env, vaddr, paddr, prot, mmu_idx, TARGET_PAGE_SIZE);
250 return 0;
251 } else {
252 if (rw & 2)
253 env->exception_index = TT_TFAULT;
254 else
255 env->exception_index = TT_DFAULT;
256 return 1;
257 }
258 }
259
260 target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev)
261 {
262 target_phys_addr_t pde_ptr;
263 uint32_t pde;
264
265 /* Context base + context number */
266 pde_ptr = (target_phys_addr_t)(env->mmuregs[1] << 4) +
267 (env->mmuregs[2] << 2);
268 pde = ldl_phys(pde_ptr);
269
270 switch (pde & PTE_ENTRYTYPE_MASK) {
271 default:
272 case 0: /* Invalid */
273 case 2: /* PTE, maybe should not happen? */
274 case 3: /* Reserved */
275 return 0;
276 case 1: /* L1 PDE */
277 if (mmulev == 3)
278 return pde;
279 pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
280 pde = ldl_phys(pde_ptr);
281
282 switch (pde & PTE_ENTRYTYPE_MASK) {
283 default:
284 case 0: /* Invalid */
285 case 3: /* Reserved */
286 return 0;
287 case 2: /* L1 PTE */
288 return pde;
289 case 1: /* L2 PDE */
290 if (mmulev == 2)
291 return pde;
292 pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
293 pde = ldl_phys(pde_ptr);
294
295 switch (pde & PTE_ENTRYTYPE_MASK) {
296 default:
297 case 0: /* Invalid */
298 case 3: /* Reserved */
299 return 0;
300 case 2: /* L2 PTE */
301 return pde;
302 case 1: /* L3 PDE */
303 if (mmulev == 1)
304 return pde;
305 pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
306 pde = ldl_phys(pde_ptr);
307
308 switch (pde & PTE_ENTRYTYPE_MASK) {
309 default:
310 case 0: /* Invalid */
311 case 1: /* PDE, should not happen */
312 case 3: /* Reserved */
313 return 0;
314 case 2: /* L3 PTE */
315 return pde;
316 }
317 }
318 }
319 }
320 return 0;
321 }
322
323 void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUState *env)
324 {
325 target_ulong va, va1, va2;
326 unsigned int n, m, o;
327 target_phys_addr_t pde_ptr, pa;
328 uint32_t pde;
329
330 pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
331 pde = ldl_phys(pde_ptr);
332 (*cpu_fprintf)(f, "Root ptr: " TARGET_FMT_plx ", ctx: %d\n",
333 (target_phys_addr_t)env->mmuregs[1] << 4, env->mmuregs[2]);
334 for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) {
335 pde = mmu_probe(env, va, 2);
336 if (pde) {
337 pa = cpu_get_phys_page_debug(env, va);
338 (*cpu_fprintf)(f, "VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
339 " PDE: " TARGET_FMT_lx "\n", va, pa, pde);
340 for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) {
341 pde = mmu_probe(env, va1, 1);
342 if (pde) {
343 pa = cpu_get_phys_page_debug(env, va1);
344 (*cpu_fprintf)(f, " VA: " TARGET_FMT_lx ", PA: "
345 TARGET_FMT_plx " PDE: " TARGET_FMT_lx "\n",
346 va1, pa, pde);
347 for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) {
348 pde = mmu_probe(env, va2, 0);
349 if (pde) {
350 pa = cpu_get_phys_page_debug(env, va2);
351 (*cpu_fprintf)(f, " VA: " TARGET_FMT_lx ", PA: "
352 TARGET_FMT_plx " PTE: "
353 TARGET_FMT_lx "\n",
354 va2, pa, pde);
355 }
356 }
357 }
358 }
359 }
360 }
361 }
362
363 #else /* !TARGET_SPARC64 */
364
365 // 41 bit physical address space
366 static inline target_phys_addr_t ultrasparc_truncate_physical(uint64_t x)
367 {
368 return x & 0x1ffffffffffULL;
369 }
370
371 /*
372 * UltraSparc IIi I/DMMUs
373 */
374
375 // Returns true if TTE tag is valid and matches virtual address value in context
376 // requires virtual address mask value calculated from TTE entry size
377 static inline int ultrasparc_tag_match(SparcTLBEntry *tlb,
378 uint64_t address, uint64_t context,
379 target_phys_addr_t *physical)
380 {
381 uint64_t mask;
382
383 switch ((tlb->tte >> 61) & 3) {
384 default:
385 case 0x0: // 8k
386 mask = 0xffffffffffffe000ULL;
387 break;
388 case 0x1: // 64k
389 mask = 0xffffffffffff0000ULL;
390 break;
391 case 0x2: // 512k
392 mask = 0xfffffffffff80000ULL;
393 break;
394 case 0x3: // 4M
395 mask = 0xffffffffffc00000ULL;
396 break;
397 }
398
399 // valid, context match, virtual address match?
400 if (TTE_IS_VALID(tlb->tte) &&
401 (TTE_IS_GLOBAL(tlb->tte) || tlb_compare_context(tlb, context))
402 && compare_masked(address, tlb->tag, mask))
403 {
404 // decode physical address
405 *physical = ((tlb->tte & mask) | (address & ~mask)) & 0x1ffffffe000ULL;
406 return 1;
407 }
408
409 return 0;
410 }
411
412 static int get_physical_address_data(CPUState *env,
413 target_phys_addr_t *physical, int *prot,
414 target_ulong address, int rw, int mmu_idx)
415 {
416 unsigned int i;
417 uint64_t context;
418
419 int is_user = (mmu_idx == MMU_USER_IDX ||
420 mmu_idx == MMU_USER_SECONDARY_IDX);
421
422 if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */
423 *physical = ultrasparc_truncate_physical(address);
424 *prot = PAGE_READ | PAGE_WRITE;
425 return 0;
426 }
427
428 switch(mmu_idx) {
429 case MMU_USER_IDX:
430 case MMU_KERNEL_IDX:
431 context = env->dmmu.mmu_primary_context & 0x1fff;
432 break;
433 case MMU_USER_SECONDARY_IDX:
434 case MMU_KERNEL_SECONDARY_IDX:
435 context = env->dmmu.mmu_secondary_context & 0x1fff;
436 break;
437 case MMU_NUCLEUS_IDX:
438 default:
439 context = 0;
440 break;
441 }
442
443 for (i = 0; i < 64; i++) {
444 // ctx match, vaddr match, valid?
445 if (ultrasparc_tag_match(&env->dtlb[i], address, context, physical)) {
446
447 uint8_t fault_type = 0;
448
449 // access ok?
450 if ((env->dtlb[i].tte & 0x4) && is_user) {
451 fault_type |= 1; /* privilege violation */
452 env->exception_index = TT_DFAULT;
453
454 DPRINTF_MMU("DFAULT at %" PRIx64 " context %" PRIx64
455 " mmu_idx=%d tl=%d\n",
456 address, context, mmu_idx, env->tl);
457 } else if (!(env->dtlb[i].tte & 0x2) && (rw == 1)) {
458 env->exception_index = TT_DPROT;
459
460 DPRINTF_MMU("DPROT at %" PRIx64 " context %" PRIx64
461 " mmu_idx=%d tl=%d\n",
462 address, context, mmu_idx, env->tl);
463 } else {
464 *prot = PAGE_READ;
465 if (env->dtlb[i].tte & 0x2)
466 *prot |= PAGE_WRITE;
467
468 TTE_SET_USED(env->dtlb[i].tte);
469
470 return 0;
471 }
472
473 if (env->dmmu.sfsr & 1) /* Fault status register */
474 env->dmmu.sfsr = 2; /* overflow (not read before
475 another fault) */
476
477 env->dmmu.sfsr |= (is_user << 3) | ((rw == 1) << 2) | 1;
478
479 env->dmmu.sfsr |= (fault_type << 7);
480
481 env->dmmu.sfar = address; /* Fault address register */
482
483 env->dmmu.tag_access = (address & ~0x1fffULL) | context;
484
485 return 1;
486 }
487 }
488
489 DPRINTF_MMU("DMISS at %" PRIx64 " context %" PRIx64 "\n",
490 address, context);
491
492 env->dmmu.tag_access = (address & ~0x1fffULL) | context;
493 env->exception_index = TT_DMISS;
494 return 1;
495 }
496
497 static int get_physical_address_code(CPUState *env,
498 target_phys_addr_t *physical, int *prot,
499 target_ulong address, int mmu_idx)
500 {
501 unsigned int i;
502 uint64_t context;
503
504 int is_user = (mmu_idx == MMU_USER_IDX ||
505 mmu_idx == MMU_USER_SECONDARY_IDX);
506
507 if ((env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0) {
508 /* IMMU disabled */
509 *physical = ultrasparc_truncate_physical(address);
510 *prot = PAGE_EXEC;
511 return 0;
512 }
513
514 if (env->tl == 0) {
515 /* PRIMARY context */
516 context = env->dmmu.mmu_primary_context & 0x1fff;
517 } else {
518 /* NUCLEUS context */
519 context = 0;
520 }
521
522 for (i = 0; i < 64; i++) {
523 // ctx match, vaddr match, valid?
524 if (ultrasparc_tag_match(&env->itlb[i],
525 address, context, physical)) {
526 // access ok?
527 if ((env->itlb[i].tte & 0x4) && is_user) {
528 if (env->immu.sfsr) /* Fault status register */
529 env->immu.sfsr = 2; /* overflow (not read before
530 another fault) */
531 env->immu.sfsr |= (is_user << 3) | 1;
532 env->exception_index = TT_TFAULT;
533
534 env->immu.tag_access = (address & ~0x1fffULL) | context;
535
536 DPRINTF_MMU("TFAULT at %" PRIx64 " context %" PRIx64 "\n",
537 address, context);
538
539 return 1;
540 }
541 *prot = PAGE_EXEC;
542 TTE_SET_USED(env->itlb[i].tte);
543 return 0;
544 }
545 }
546
547 DPRINTF_MMU("TMISS at %" PRIx64 " context %" PRIx64 "\n",
548 address, context);
549
550 /* Context is stored in DMMU (dmmuregs[1]) also for IMMU */
551 env->immu.tag_access = (address & ~0x1fffULL) | context;
552 env->exception_index = TT_TMISS;
553 return 1;
554 }
555
556 static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
557 int *prot, int *access_index,
558 target_ulong address, int rw, int mmu_idx,
559 target_ulong *page_size)
560 {
561 /* ??? We treat everything as a small page, then explicitly flush
562 everything when an entry is evicted. */
563 *page_size = TARGET_PAGE_SIZE;
564
565 #if defined (DEBUG_MMU)
566 /* safety net to catch wrong softmmu index use from dynamic code */
567 if (env->tl > 0 && mmu_idx != MMU_NUCLEUS_IDX) {
568 DPRINTF_MMU("get_physical_address %s tl=%d mmu_idx=%d"
569 " primary context=%" PRIx64
570 " secondary context=%" PRIx64
571 " address=%" PRIx64
572 "\n",
573 (rw == 2 ? "CODE" : "DATA"),
574 env->tl, mmu_idx,
575 env->dmmu.mmu_primary_context,
576 env->dmmu.mmu_secondary_context,
577 address);
578 }
579 #endif
580
581 if (rw == 2)
582 return get_physical_address_code(env, physical, prot, address,
583 mmu_idx);
584 else
585 return get_physical_address_data(env, physical, prot, address, rw,
586 mmu_idx);
587 }
588
589 /* Perform address translation */
590 int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
591 int mmu_idx, int is_softmmu)
592 {
593 target_ulong virt_addr, vaddr;
594 target_phys_addr_t paddr;
595 target_ulong page_size;
596 int error_code = 0, prot, access_index;
597
598 error_code = get_physical_address(env, &paddr, &prot, &access_index,
599 address, rw, mmu_idx, &page_size);
600 if (error_code == 0) {
601 virt_addr = address & TARGET_PAGE_MASK;
602 vaddr = virt_addr + ((address & TARGET_PAGE_MASK) &
603 (TARGET_PAGE_SIZE - 1));
604
605 DPRINTF_MMU("Translate at %" PRIx64 " -> %" PRIx64 ","
606 " vaddr %" PRIx64
607 " mmu_idx=%d"
608 " tl=%d"
609 " primary context=%" PRIx64
610 " secondary context=%" PRIx64
611 "\n",
612 address, paddr, vaddr, mmu_idx, env->tl,
613 env->dmmu.mmu_primary_context,
614 env->dmmu.mmu_secondary_context);
615
616 tlb_set_page(env, vaddr, paddr, prot, mmu_idx, page_size);
617 return 0;
618 }
619 // XXX
620 return 1;
621 }
622
623 void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUState *env)
624 {
625 unsigned int i;
626 const char *mask;
627
628 (*cpu_fprintf)(f, "MMU contexts: Primary: %" PRId64 ", Secondary: %"
629 PRId64 "\n",
630 env->dmmu.mmu_primary_context,
631 env->dmmu.mmu_secondary_context);
632 if ((env->lsu & DMMU_E) == 0) {
633 (*cpu_fprintf)(f, "DMMU disabled\n");
634 } else {
635 (*cpu_fprintf)(f, "DMMU dump\n");
636 for (i = 0; i < 64; i++) {
637 switch ((env->dtlb[i].tte >> 61) & 3) {
638 default:
639 case 0x0:
640 mask = " 8k";
641 break;
642 case 0x1:
643 mask = " 64k";
644 break;
645 case 0x2:
646 mask = "512k";
647 break;
648 case 0x3:
649 mask = " 4M";
650 break;
651 }
652 if ((env->dtlb[i].tte & 0x8000000000000000ULL) != 0) {
653 (*cpu_fprintf)(f, "[%02u] VA: %" PRIx64 ", PA: %" PRIx64
654 ", %s, %s, %s, %s, ctx %" PRId64 " %s\n",
655 i,
656 env->dtlb[i].tag & (uint64_t)~0x1fffULL,
657 env->dtlb[i].tte & (uint64_t)0x1ffffffe000ULL,
658 mask,
659 env->dtlb[i].tte & 0x4? "priv": "user",
660 env->dtlb[i].tte & 0x2? "RW": "RO",
661 env->dtlb[i].tte & 0x40? "locked": "unlocked",
662 env->dtlb[i].tag & (uint64_t)0x1fffULL,
663 TTE_IS_GLOBAL(env->dtlb[i].tte)?
664 "global" : "local");
665 }
666 }
667 }
668 if ((env->lsu & IMMU_E) == 0) {
669 (*cpu_fprintf)(f, "IMMU disabled\n");
670 } else {
671 (*cpu_fprintf)(f, "IMMU dump\n");
672 for (i = 0; i < 64; i++) {
673 switch ((env->itlb[i].tte >> 61) & 3) {
674 default:
675 case 0x0:
676 mask = " 8k";
677 break;
678 case 0x1:
679 mask = " 64k";
680 break;
681 case 0x2:
682 mask = "512k";
683 break;
684 case 0x3:
685 mask = " 4M";
686 break;
687 }
688 if ((env->itlb[i].tte & 0x8000000000000000ULL) != 0) {
689 (*cpu_fprintf)(f, "[%02u] VA: %" PRIx64 ", PA: %" PRIx64
690 ", %s, %s, %s, ctx %" PRId64 " %s\n",
691 i,
692 env->itlb[i].tag & (uint64_t)~0x1fffULL,
693 env->itlb[i].tte & (uint64_t)0x1ffffffe000ULL,
694 mask,
695 env->itlb[i].tte & 0x4? "priv": "user",
696 env->itlb[i].tte & 0x40? "locked": "unlocked",
697 env->itlb[i].tag & (uint64_t)0x1fffULL,
698 TTE_IS_GLOBAL(env->itlb[i].tte)?
699 "global" : "local");
700 }
701 }
702 }
703 }
704
705 #endif /* TARGET_SPARC64 */
706 #endif /* !CONFIG_USER_ONLY */
707
708
709 #if !defined(CONFIG_USER_ONLY)
710 target_phys_addr_t cpu_get_phys_page_nofault(CPUState *env, target_ulong addr,
711 int mmu_idx)
712 {
713 target_phys_addr_t phys_addr;
714 target_ulong page_size;
715 int prot, access_index;
716
717 if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2,
718 mmu_idx, &page_size) != 0)
719 if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
720 0, mmu_idx, &page_size) != 0)
721 return -1;
722 if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
723 return -1;
724 return phys_addr;
725 }
726
727 target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
728 {
729 return cpu_get_phys_page_nofault(env, addr, cpu_mmu_index(env));
730 }
731 #endif
732
733 void cpu_reset(CPUSPARCState *env)
734 {
735 if (qemu_loglevel_mask(CPU_LOG_RESET)) {
736 qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
737 log_cpu_state(env, 0);
738 }
739
740 tlb_flush(env, 1);
741 env->cwp = 0;
742 #ifndef TARGET_SPARC64
743 env->wim = 1;
744 #endif
745 env->regwptr = env->regbase + (env->cwp * 16);
746 CC_OP = CC_OP_FLAGS;
747 #if defined(CONFIG_USER_ONLY)
748 #ifdef TARGET_SPARC64
749 env->cleanwin = env->nwindows - 2;
750 env->cansave = env->nwindows - 2;
751 env->pstate = PS_RMO | PS_PEF | PS_IE;
752 env->asi = 0x82; // Primary no-fault
753 #endif
754 #else
755 #if !defined(TARGET_SPARC64)
756 env->psret = 0;
757 env->psrs = 1;
758 env->psrps = 1;
759 #endif
760 #ifdef TARGET_SPARC64
761 env->pstate = PS_PRIV|PS_RED|PS_PEF|PS_AG;
762 env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0;
763 env->tl = env->maxtl;
764 cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
765 env->lsu = 0;
766 #else
767 env->mmuregs[0] &= ~(MMU_E | MMU_NF);
768 env->mmuregs[0] |= env->def->mmu_bm;
769 #endif
770 env->pc = 0;
771 env->npc = env->pc + 4;
772 #endif
773 env->cache_control = 0;
774 }
775
776 static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
777 {
778 sparc_def_t def1, *def = &def1;
779
780 if (cpu_sparc_find_by_name(def, cpu_model) < 0)
781 return -1;
782
783 env->def = qemu_mallocz(sizeof(*def));
784 memcpy(env->def, def, sizeof(*def));
785 #if defined(CONFIG_USER_ONLY)
786 if ((env->def->features & CPU_FEATURE_FLOAT))
787 env->def->features |= CPU_FEATURE_FLOAT128;
788 #endif
789 env->cpu_model_str = cpu_model;
790 env->version = def->iu_version;
791 env->fsr = def->fpu_version;
792 env->nwindows = def->nwindows;
793 #if !defined(TARGET_SPARC64)
794 env->mmuregs[0] |= def->mmu_version;
795 cpu_sparc_set_id(env, 0);
796 env->mxccregs[7] |= def->mxcc_version;
797 #else
798 env->mmu_version = def->mmu_version;
799 env->maxtl = def->maxtl;
800 env->version |= def->maxtl << 8;
801 env->version |= def->nwindows - 1;
802 #endif
803 return 0;
804 }
805
806 static void cpu_sparc_close(CPUSPARCState *env)
807 {
808 free(env->def);
809 free(env);
810 }
811
812 CPUSPARCState *cpu_sparc_init(const char *cpu_model)
813 {
814 CPUSPARCState *env;
815
816 env = qemu_mallocz(sizeof(CPUSPARCState));
817 cpu_exec_init(env);
818
819 gen_intermediate_code_init(env);
820
821 if (cpu_sparc_register(env, cpu_model) < 0) {
822 cpu_sparc_close(env);
823 return NULL;
824 }
825 qemu_init_vcpu(env);
826
827 return env;
828 }
829
830 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
831 {
832 #if !defined(TARGET_SPARC64)
833 env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
834 #endif
835 }
836
837 static const sparc_def_t sparc_defs[] = {
838 #ifdef TARGET_SPARC64
839 {
840 .name = "Fujitsu Sparc64",
841 .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
842 .fpu_version = 0x00000000,
843 .mmu_version = mmu_us_12,
844 .nwindows = 4,
845 .maxtl = 4,
846 .features = CPU_DEFAULT_FEATURES,
847 },
848 {
849 .name = "Fujitsu Sparc64 III",
850 .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
851 .fpu_version = 0x00000000,
852 .mmu_version = mmu_us_12,
853 .nwindows = 5,
854 .maxtl = 4,
855 .features = CPU_DEFAULT_FEATURES,
856 },
857 {
858 .name = "Fujitsu Sparc64 IV",
859 .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
860 .fpu_version = 0x00000000,
861 .mmu_version = mmu_us_12,
862 .nwindows = 8,
863 .maxtl = 5,
864 .features = CPU_DEFAULT_FEATURES,
865 },
866 {
867 .name = "Fujitsu Sparc64 V",
868 .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
869 .fpu_version = 0x00000000,
870 .mmu_version = mmu_us_12,
871 .nwindows = 8,
872 .maxtl = 5,
873 .features = CPU_DEFAULT_FEATURES,
874 },
875 {
876 .name = "TI UltraSparc I",
877 .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
878 .fpu_version = 0x00000000,
879 .mmu_version = mmu_us_12,
880 .nwindows = 8,
881 .maxtl = 5,
882 .features = CPU_DEFAULT_FEATURES,
883 },
884 {
885 .name = "TI UltraSparc II",
886 .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
887 .fpu_version = 0x00000000,
888 .mmu_version = mmu_us_12,
889 .nwindows = 8,
890 .maxtl = 5,
891 .features = CPU_DEFAULT_FEATURES,
892 },
893 {
894 .name = "TI UltraSparc IIi",
895 .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
896 .fpu_version = 0x00000000,
897 .mmu_version = mmu_us_12,
898 .nwindows = 8,
899 .maxtl = 5,
900 .features = CPU_DEFAULT_FEATURES,
901 },
902 {
903 .name = "TI UltraSparc IIe",
904 .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
905 .fpu_version = 0x00000000,
906 .mmu_version = mmu_us_12,
907 .nwindows = 8,
908 .maxtl = 5,
909 .features = CPU_DEFAULT_FEATURES,
910 },
911 {
912 .name = "Sun UltraSparc III",
913 .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
914 .fpu_version = 0x00000000,
915 .mmu_version = mmu_us_12,
916 .nwindows = 8,
917 .maxtl = 5,
918 .features = CPU_DEFAULT_FEATURES,
919 },
920 {
921 .name = "Sun UltraSparc III Cu",
922 .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
923 .fpu_version = 0x00000000,
924 .mmu_version = mmu_us_3,
925 .nwindows = 8,
926 .maxtl = 5,
927 .features = CPU_DEFAULT_FEATURES,
928 },
929 {
930 .name = "Sun UltraSparc IIIi",
931 .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
932 .fpu_version = 0x00000000,
933 .mmu_version = mmu_us_12,
934 .nwindows = 8,
935 .maxtl = 5,
936 .features = CPU_DEFAULT_FEATURES,
937 },
938 {
939 .name = "Sun UltraSparc IV",
940 .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
941 .fpu_version = 0x00000000,
942 .mmu_version = mmu_us_4,
943 .nwindows = 8,
944 .maxtl = 5,
945 .features = CPU_DEFAULT_FEATURES,
946 },
947 {
948 .name = "Sun UltraSparc IV+",
949 .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
950 .fpu_version = 0x00000000,
951 .mmu_version = mmu_us_12,
952 .nwindows = 8,
953 .maxtl = 5,
954 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
955 },
956 {
957 .name = "Sun UltraSparc IIIi+",
958 .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
959 .fpu_version = 0x00000000,
960 .mmu_version = mmu_us_3,
961 .nwindows = 8,
962 .maxtl = 5,
963 .features = CPU_DEFAULT_FEATURES,
964 },
965 {
966 .name = "Sun UltraSparc T1",
967 // defined in sparc_ifu_fdp.v and ctu.h
968 .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
969 .fpu_version = 0x00000000,
970 .mmu_version = mmu_sun4v,
971 .nwindows = 8,
972 .maxtl = 6,
973 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
974 | CPU_FEATURE_GL,
975 },
976 {
977 .name = "Sun UltraSparc T2",
978 // defined in tlu_asi_ctl.v and n2_revid_cust.v
979 .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
980 .fpu_version = 0x00000000,
981 .mmu_version = mmu_sun4v,
982 .nwindows = 8,
983 .maxtl = 6,
984 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
985 | CPU_FEATURE_GL,
986 },
987 {
988 .name = "NEC UltraSparc I",
989 .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
990 .fpu_version = 0x00000000,
991 .mmu_version = mmu_us_12,
992 .nwindows = 8,
993 .maxtl = 5,
994 .features = CPU_DEFAULT_FEATURES,
995 },
996 #else
997 {
998 .name = "Fujitsu MB86900",
999 .iu_version = 0x00 << 24, /* Impl 0, ver 0 */
1000 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1001 .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */
1002 .mmu_bm = 0x00004000,
1003 .mmu_ctpr_mask = 0x007ffff0,
1004 .mmu_cxr_mask = 0x0000003f,
1005 .mmu_sfsr_mask = 0xffffffff,
1006 .mmu_trcr_mask = 0xffffffff,
1007 .nwindows = 7,
1008 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD,
1009 },
1010 {
1011 .name = "Fujitsu MB86904",
1012 .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
1013 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1014 .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
1015 .mmu_bm = 0x00004000,
1016 .mmu_ctpr_mask = 0x00ffffc0,
1017 .mmu_cxr_mask = 0x000000ff,
1018 .mmu_sfsr_mask = 0x00016fff,
1019 .mmu_trcr_mask = 0x00ffffff,
1020 .nwindows = 8,
1021 .features = CPU_DEFAULT_FEATURES,
1022 },
1023 {
1024 .name = "Fujitsu MB86907",
1025 .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
1026 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1027 .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
1028 .mmu_bm = 0x00004000,
1029 .mmu_ctpr_mask = 0xffffffc0,
1030 .mmu_cxr_mask = 0x000000ff,
1031 .mmu_sfsr_mask = 0x00016fff,
1032 .mmu_trcr_mask = 0xffffffff,
1033 .nwindows = 8,
1034 .features = CPU_DEFAULT_FEATURES,
1035 },
1036 {
1037 .name = "LSI L64811",
1038 .iu_version = 0x10 << 24, /* Impl 1, ver 0 */
1039 .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */
1040 .mmu_version = 0x10 << 24,
1041 .mmu_bm = 0x00004000,
1042 .mmu_ctpr_mask = 0x007ffff0,
1043 .mmu_cxr_mask = 0x0000003f,
1044 .mmu_sfsr_mask = 0xffffffff,
1045 .mmu_trcr_mask = 0xffffffff,
1046 .nwindows = 8,
1047 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1048 CPU_FEATURE_FSMULD,
1049 },
1050 {
1051 .name = "Cypress CY7C601",
1052 .iu_version = 0x11 << 24, /* Impl 1, ver 1 */
1053 .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
1054 .mmu_version = 0x10 << 24,
1055 .mmu_bm = 0x00004000,
1056 .mmu_ctpr_mask = 0x007ffff0,
1057 .mmu_cxr_mask = 0x0000003f,
1058 .mmu_sfsr_mask = 0xffffffff,
1059 .mmu_trcr_mask = 0xffffffff,
1060 .nwindows = 8,
1061 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1062 CPU_FEATURE_FSMULD,
1063 },
1064 {
1065 .name = "Cypress CY7C611",
1066 .iu_version = 0x13 << 24, /* Impl 1, ver 3 */
1067 .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
1068 .mmu_version = 0x10 << 24,
1069 .mmu_bm = 0x00004000,
1070 .mmu_ctpr_mask = 0x007ffff0,
1071 .mmu_cxr_mask = 0x0000003f,
1072 .mmu_sfsr_mask = 0xffffffff,
1073 .mmu_trcr_mask = 0xffffffff,
1074 .nwindows = 8,
1075 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1076 CPU_FEATURE_FSMULD,
1077 },
1078 {
1079 .name = "TI MicroSparc I",
1080 .iu_version = 0x41000000,
1081 .fpu_version = 4 << 17,
1082 .mmu_version = 0x41000000,
1083 .mmu_bm = 0x00004000,
1084 .mmu_ctpr_mask = 0x007ffff0,
1085 .mmu_cxr_mask = 0x0000003f,
1086 .mmu_sfsr_mask = 0x00016fff,
1087 .mmu_trcr_mask = 0x0000003f,
1088 .nwindows = 7,
1089 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
1090 CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
1091 CPU_FEATURE_FMUL,
1092 },
1093 {
1094 .name = "TI MicroSparc II",
1095 .iu_version = 0x42000000,
1096 .fpu_version = 4 << 17,
1097 .mmu_version = 0x02000000,
1098 .mmu_bm = 0x00004000,
1099 .mmu_ctpr_mask = 0x00ffffc0,
1100 .mmu_cxr_mask = 0x000000ff,
1101 .mmu_sfsr_mask = 0x00016fff,
1102 .mmu_trcr_mask = 0x00ffffff,
1103 .nwindows = 8,
1104 .features = CPU_DEFAULT_FEATURES,
1105 },
1106 {
1107 .name = "TI MicroSparc IIep",
1108 .iu_version = 0x42000000,
1109 .fpu_version = 4 << 17,
1110 .mmu_version = 0x04000000,
1111 .mmu_bm = 0x00004000,
1112 .mmu_ctpr_mask = 0x00ffffc0,
1113 .mmu_cxr_mask = 0x000000ff,
1114 .mmu_sfsr_mask = 0x00016bff,
1115 .mmu_trcr_mask = 0x00ffffff,
1116 .nwindows = 8,
1117 .features = CPU_DEFAULT_FEATURES,
1118 },
1119 {
1120 .name = "TI SuperSparc 40", // STP1020NPGA
1121 .iu_version = 0x41000000, // SuperSPARC 2.x
1122 .fpu_version = 0 << 17,
1123 .mmu_version = 0x00000800, // SuperSPARC 2.x, no MXCC
1124 .mmu_bm = 0x00002000,
1125 .mmu_ctpr_mask = 0xffffffc0,
1126 .mmu_cxr_mask = 0x0000ffff,
1127 .mmu_sfsr_mask = 0xffffffff,
1128 .mmu_trcr_mask = 0xffffffff,
1129 .nwindows = 8,
1130 .features = CPU_DEFAULT_FEATURES,
1131 },
1132 {
1133 .name = "TI SuperSparc 50", // STP1020PGA
1134 .iu_version = 0x40000000, // SuperSPARC 3.x
1135 .fpu_version = 0 << 17,
1136 .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC
1137 .mmu_bm = 0x00002000,
1138 .mmu_ctpr_mask = 0xffffffc0,
1139 .mmu_cxr_mask = 0x0000ffff,
1140 .mmu_sfsr_mask = 0xffffffff,
1141 .mmu_trcr_mask = 0xffffffff,
1142 .nwindows = 8,
1143 .features = CPU_DEFAULT_FEATURES,
1144 },
1145 {
1146 .name = "TI SuperSparc 51",
1147 .iu_version = 0x40000000, // SuperSPARC 3.x
1148 .fpu_version = 0 << 17,
1149 .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC
1150 .mmu_bm = 0x00002000,
1151 .mmu_ctpr_mask = 0xffffffc0,
1152 .mmu_cxr_mask = 0x0000ffff,
1153 .mmu_sfsr_mask = 0xffffffff,
1154 .mmu_trcr_mask = 0xffffffff,
1155 .mxcc_version = 0x00000104,
1156 .nwindows = 8,
1157 .features = CPU_DEFAULT_FEATURES,
1158 },
1159 {
1160 .name = "TI SuperSparc 60", // STP1020APGA
1161 .iu_version = 0x40000000, // SuperSPARC 3.x
1162 .fpu_version = 0 << 17,
1163 .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC
1164 .mmu_bm = 0x00002000,
1165 .mmu_ctpr_mask = 0xffffffc0,
1166 .mmu_cxr_mask = 0x0000ffff,
1167 .mmu_sfsr_mask = 0xffffffff,
1168 .mmu_trcr_mask = 0xffffffff,
1169 .nwindows = 8,
1170 .features = CPU_DEFAULT_FEATURES,
1171 },
1172 {
1173 .name = "TI SuperSparc 61",
1174 .iu_version = 0x44000000, // SuperSPARC 3.x
1175 .fpu_version = 0 << 17,
1176 .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC
1177 .mmu_bm = 0x00002000,
1178 .mmu_ctpr_mask = 0xffffffc0,
1179 .mmu_cxr_mask = 0x0000ffff,
1180 .mmu_sfsr_mask = 0xffffffff,
1181 .mmu_trcr_mask = 0xffffffff,
1182 .mxcc_version = 0x00000104,
1183 .nwindows = 8,
1184 .features = CPU_DEFAULT_FEATURES,
1185 },
1186 {
1187 .name = "TI SuperSparc II",
1188 .iu_version = 0x40000000, // SuperSPARC II 1.x
1189 .fpu_version = 0 << 17,
1190 .mmu_version = 0x08000000, // SuperSPARC II 1.x, MXCC
1191 .mmu_bm = 0x00002000,
1192 .mmu_ctpr_mask = 0xffffffc0,
1193 .mmu_cxr_mask = 0x0000ffff,
1194 .mmu_sfsr_mask = 0xffffffff,
1195 .mmu_trcr_mask = 0xffffffff,
1196 .mxcc_version = 0x00000104,
1197 .nwindows = 8,
1198 .features = CPU_DEFAULT_FEATURES,
1199 },
1200 {
1201 .name = "Ross RT625",
1202 .iu_version = 0x1e000000,
1203 .fpu_version = 1 << 17,
1204 .mmu_version = 0x1e000000,
1205 .mmu_bm = 0x00004000,
1206 .mmu_ctpr_mask = 0x007ffff0,
1207 .mmu_cxr_mask = 0x0000003f,
1208 .mmu_sfsr_mask = 0xffffffff,
1209 .mmu_trcr_mask = 0xffffffff,
1210 .nwindows = 8,
1211 .features = CPU_DEFAULT_FEATURES,
1212 },
1213 {
1214 .name = "Ross RT620",
1215 .iu_version = 0x1f000000,
1216 .fpu_version = 1 << 17,
1217 .mmu_version = 0x1f000000,
1218 .mmu_bm = 0x00004000,
1219 .mmu_ctpr_mask = 0x007ffff0,
1220 .mmu_cxr_mask = 0x0000003f,
1221 .mmu_sfsr_mask = 0xffffffff,
1222 .mmu_trcr_mask = 0xffffffff,
1223 .nwindows = 8,
1224 .features = CPU_DEFAULT_FEATURES,
1225 },
1226 {
1227 .name = "BIT B5010",
1228 .iu_version = 0x20000000,
1229 .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */
1230 .mmu_version = 0x20000000,
1231 .mmu_bm = 0x00004000,
1232 .mmu_ctpr_mask = 0x007ffff0,
1233 .mmu_cxr_mask = 0x0000003f,
1234 .mmu_sfsr_mask = 0xffffffff,
1235 .mmu_trcr_mask = 0xffffffff,
1236 .nwindows = 8,
1237 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1238 CPU_FEATURE_FSMULD,
1239 },
1240 {
1241 .name = "Matsushita MN10501",
1242 .iu_version = 0x50000000,
1243 .fpu_version = 0 << 17,
1244 .mmu_version = 0x50000000,
1245 .mmu_bm = 0x00004000,
1246 .mmu_ctpr_mask = 0x007ffff0,
1247 .mmu_cxr_mask = 0x0000003f,
1248 .mmu_sfsr_mask = 0xffffffff,
1249 .mmu_trcr_mask = 0xffffffff,
1250 .nwindows = 8,
1251 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT |
1252 CPU_FEATURE_FSMULD,
1253 },
1254 {
1255 .name = "Weitek W8601",
1256 .iu_version = 0x90 << 24, /* Impl 9, ver 0 */
1257 .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */
1258 .mmu_version = 0x10 << 24,
1259 .mmu_bm = 0x00004000,
1260 .mmu_ctpr_mask = 0x007ffff0,
1261 .mmu_cxr_mask = 0x0000003f,
1262 .mmu_sfsr_mask = 0xffffffff,
1263 .mmu_trcr_mask = 0xffffffff,
1264 .nwindows = 8,
1265 .features = CPU_DEFAULT_FEATURES,
1266 },
1267 {
1268 .name = "LEON2",
1269 .iu_version = 0xf2000000,
1270 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1271 .mmu_version = 0xf2000000,
1272 .mmu_bm = 0x00004000,
1273 .mmu_ctpr_mask = 0x007ffff0,
1274 .mmu_cxr_mask = 0x0000003f,
1275 .mmu_sfsr_mask = 0xffffffff,
1276 .mmu_trcr_mask = 0xffffffff,
1277 .nwindows = 8,
1278 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN,
1279 },
1280 {
1281 .name = "LEON3",
1282 .iu_version = 0xf3000000,
1283 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1284 .mmu_version = 0xf3000000,
1285 .mmu_bm = 0x00000000,
1286 .mmu_ctpr_mask = 0x007ffff0,
1287 .mmu_cxr_mask = 0x0000003f,
1288 .mmu_sfsr_mask = 0xffffffff,
1289 .mmu_trcr_mask = 0xffffffff,
1290 .nwindows = 8,
1291 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN |
1292 CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL,
1293 },
1294 #endif
1295 };
1296
1297 static const char * const feature_name[] = {
1298 "float",
1299 "float128",
1300 "swap",
1301 "mul",
1302 "div",
1303 "flush",
1304 "fsqrt",
1305 "fmul",
1306 "vis1",
1307 "vis2",
1308 "fsmuld",
1309 "hypv",
1310 "cmt",
1311 "gl",
1312 };
1313
1314 static void print_features(FILE *f, fprintf_function cpu_fprintf,
1315 uint32_t features, const char *prefix)
1316 {
1317 unsigned int i;
1318
1319 for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1320 if (feature_name[i] && (features & (1 << i))) {
1321 if (prefix)
1322 (*cpu_fprintf)(f, "%s", prefix);
1323 (*cpu_fprintf)(f, "%s ", feature_name[i]);
1324 }
1325 }
1326
1327 static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
1328 {
1329 unsigned int i;
1330
1331 for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1332 if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
1333 *features |= 1 << i;
1334 return;
1335 }
1336 fprintf(stderr, "CPU feature %s not found\n", flagname);
1337 }
1338
1339 static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
1340 {
1341 unsigned int i;
1342 const sparc_def_t *def = NULL;
1343 char *s = strdup(cpu_model);
1344 char *featurestr, *name = strtok(s, ",");
1345 uint32_t plus_features = 0;
1346 uint32_t minus_features = 0;
1347 uint64_t iu_version;
1348 uint32_t fpu_version, mmu_version, nwindows;
1349
1350 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
1351 if (strcasecmp(name, sparc_defs[i].name) == 0) {
1352 def = &sparc_defs[i];
1353 }
1354 }
1355 if (!def)
1356 goto error;
1357 memcpy(cpu_def, def, sizeof(*def));
1358
1359 featurestr = strtok(NULL, ",");
1360 while (featurestr) {
1361 char *val;
1362
1363 if (featurestr[0] == '+') {
1364 add_flagname_to_bitmaps(featurestr + 1, &plus_features);
1365 } else if (featurestr[0] == '-') {
1366 add_flagname_to_bitmaps(featurestr + 1, &minus_features);
1367 } else if ((val = strchr(featurestr, '='))) {
1368 *val = 0; val++;
1369 if (!strcmp(featurestr, "iu_version")) {
1370 char *err;
1371
1372 iu_version = strtoll(val, &err, 0);
1373 if (!*val || *err) {
1374 fprintf(stderr, "bad numerical value %s\n", val);
1375 goto error;
1376 }
1377 cpu_def->iu_version = iu_version;
1378 #ifdef DEBUG_FEATURES
1379 fprintf(stderr, "iu_version %" PRIx64 "\n", iu_version);
1380 #endif
1381 } else if (!strcmp(featurestr, "fpu_version")) {
1382 char *err;
1383
1384 fpu_version = strtol(val, &err, 0);
1385 if (!*val || *err) {
1386 fprintf(stderr, "bad numerical value %s\n", val);
1387 goto error;
1388 }
1389 cpu_def->fpu_version = fpu_version;
1390 #ifdef DEBUG_FEATURES
1391 fprintf(stderr, "fpu_version %x\n", fpu_version);
1392 #endif
1393 } else if (!strcmp(featurestr, "mmu_version")) {
1394 char *err;
1395
1396 mmu_version = strtol(val, &err, 0);
1397 if (!*val || *err) {
1398 fprintf(stderr, "bad numerical value %s\n", val);
1399 goto error;
1400 }
1401 cpu_def->mmu_version = mmu_version;
1402 #ifdef DEBUG_FEATURES
1403 fprintf(stderr, "mmu_version %x\n", mmu_version);
1404 #endif
1405 } else if (!strcmp(featurestr, "nwindows")) {
1406 char *err;
1407
1408 nwindows = strtol(val, &err, 0);
1409 if (!*val || *err || nwindows > MAX_NWINDOWS ||
1410 nwindows < MIN_NWINDOWS) {
1411 fprintf(stderr, "bad numerical value %s\n", val);
1412 goto error;
1413 }
1414 cpu_def->nwindows = nwindows;
1415 #ifdef DEBUG_FEATURES
1416 fprintf(stderr, "nwindows %d\n", nwindows);
1417 #endif
1418 } else {
1419 fprintf(stderr, "unrecognized feature %s\n", featurestr);
1420 goto error;
1421 }
1422 } else {
1423 fprintf(stderr, "feature string `%s' not in format "
1424 "(+feature|-feature|feature=xyz)\n", featurestr);
1425 goto error;
1426 }
1427 featurestr = strtok(NULL, ",");
1428 }
1429 cpu_def->features |= plus_features;
1430 cpu_def->features &= ~minus_features;
1431 #ifdef DEBUG_FEATURES
1432 print_features(stderr, fprintf, cpu_def->features, NULL);
1433 #endif
1434 free(s);
1435 return 0;
1436
1437 error:
1438 free(s);
1439 return -1;
1440 }
1441
1442 void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
1443 {
1444 unsigned int i;
1445
1446 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
1447 (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ",
1448 sparc_defs[i].name,
1449 sparc_defs[i].iu_version,
1450 sparc_defs[i].fpu_version,
1451 sparc_defs[i].mmu_version,
1452 sparc_defs[i].nwindows);
1453 print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
1454 ~sparc_defs[i].features, "-");
1455 print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
1456 sparc_defs[i].features, "+");
1457 (*cpu_fprintf)(f, "\n");
1458 }
1459 (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
1460 print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
1461 (*cpu_fprintf)(f, "\n");
1462 (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
1463 print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
1464 (*cpu_fprintf)(f, "\n");
1465 (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
1466 "fpu_version mmu_version nwindows\n");
1467 }
1468
1469 static void cpu_print_cc(FILE *f, fprintf_function cpu_fprintf,
1470 uint32_t cc)
1471 {
1472 cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG? 'N' : '-',
1473 cc & PSR_ZERO? 'Z' : '-', cc & PSR_OVF? 'V' : '-',
1474 cc & PSR_CARRY? 'C' : '-');
1475 }
1476
1477 #ifdef TARGET_SPARC64
1478 #define REGS_PER_LINE 4
1479 #else
1480 #define REGS_PER_LINE 8
1481 #endif
1482
1483 void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
1484 int flags)
1485 {
1486 int i, x;
1487
1488 cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc,
1489 env->npc);
1490 cpu_fprintf(f, "General Registers:\n");
1491
1492 for (i = 0; i < 8; i++) {
1493 if (i % REGS_PER_LINE == 0) {
1494 cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1);
1495 }
1496 cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
1497 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
1498 cpu_fprintf(f, "\n");
1499 }
1500 }
1501 cpu_fprintf(f, "\nCurrent Register Window:\n");
1502 for (x = 0; x < 3; x++) {
1503 for (i = 0; i < 8; i++) {
1504 if (i % REGS_PER_LINE == 0) {
1505 cpu_fprintf(f, "%%%c%d-%d: ",
1506 x == 0 ? 'o' : (x == 1 ? 'l' : 'i'),
1507 i, i + REGS_PER_LINE - 1);
1508 }
1509 cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]);
1510 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
1511 cpu_fprintf(f, "\n");
1512 }
1513 }
1514 }
1515 cpu_fprintf(f, "\nFloating Point Registers:\n");
1516 for (i = 0; i < TARGET_FPREGS; i++) {
1517 if ((i & 3) == 0)
1518 cpu_fprintf(f, "%%f%02d:", i);
1519 cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]);
1520 if ((i & 3) == 3)
1521 cpu_fprintf(f, "\n");
1522 }
1523 #ifdef TARGET_SPARC64
1524 cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
1525 (unsigned)cpu_get_ccr(env));
1526 cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << PSR_CARRY_SHIFT);
1527 cpu_fprintf(f, " xcc: ");
1528 cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4));
1529 cpu_fprintf(f, ") asi: %02x tl: %d pil: %x\n", env->asi, env->tl,
1530 env->psrpil);
1531 cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
1532 "cleanwin: %d cwp: %d\n",
1533 env->cansave, env->canrestore, env->otherwin, env->wstate,
1534 env->cleanwin, env->nwindows - 1 - env->cwp);
1535 cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: "
1536 TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
1537 #else
1538 cpu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env));
1539 cpu_print_cc(f, cpu_fprintf, cpu_get_psr(env));
1540 cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs? 'S' : '-',
1541 env->psrps? 'P' : '-', env->psret? 'E' : '-',
1542 env->wim);
1543 cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n",
1544 env->fsr, env->y);
1545 #endif
1546 }
various patches