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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
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 * 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
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model);
34

    
35
/* Sparc MMU emulation */
36

    
37
/* thread support */
38

    
39
static spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED;
40

    
41
void cpu_lock(void)
42
{
43
    spin_lock(&global_cpu_lock);
44
}
45

    
46
void cpu_unlock(void)
47
{
48
    spin_unlock(&global_cpu_lock);
49
}
50

    
51
#if defined(CONFIG_USER_ONLY)
52

    
53
int cpu_sparc_handle_mmu_fault(CPUState *env1, target_ulong address, int rw,
54
                               int mmu_idx, int is_softmmu)
55
{
56
    if (rw & 2)
57
        env1->exception_index = TT_TFAULT;
58
    else
59
        env1->exception_index = TT_DFAULT;
60
    return 1;
61
}
62

    
63
#else
64

    
65
#ifndef TARGET_SPARC64
66
/*
67
 * Sparc V8 Reference MMU (SRMMU)
68
 */
69
static const int access_table[8][8] = {
70
    { 0, 0, 0, 0, 8, 0, 12, 12 },
71
    { 0, 0, 0, 0, 8, 0, 0, 0 },
72
    { 8, 8, 0, 0, 0, 8, 12, 12 },
73
    { 8, 8, 0, 0, 0, 8, 0, 0 },
74
    { 8, 0, 8, 0, 8, 8, 12, 12 },
75
    { 8, 0, 8, 0, 8, 0, 8, 0 },
76
    { 8, 8, 8, 0, 8, 8, 12, 12 },
77
    { 8, 8, 8, 0, 8, 8, 8, 0 }
78
};
79

    
80
static const int perm_table[2][8] = {
81
    {
82
        PAGE_READ,
83
        PAGE_READ | PAGE_WRITE,
84
        PAGE_READ | PAGE_EXEC,
85
        PAGE_READ | PAGE_WRITE | PAGE_EXEC,
86
        PAGE_EXEC,
87
        PAGE_READ | PAGE_WRITE,
88
        PAGE_READ | PAGE_EXEC,
89
        PAGE_READ | PAGE_WRITE | PAGE_EXEC
90
    },
91
    {
92
        PAGE_READ,
93
        PAGE_READ | PAGE_WRITE,
94
        PAGE_READ | PAGE_EXEC,
95
        PAGE_READ | PAGE_WRITE | PAGE_EXEC,
96
        PAGE_EXEC,
97
        PAGE_READ,
98
        0,
99
        0,
100
    }
101
};
102

    
103
static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
104
                                int *prot, int *access_index,
105
                                target_ulong address, int rw, int mmu_idx)
106
{
107
    int access_perms = 0;
108
    target_phys_addr_t pde_ptr;
109
    uint32_t pde;
110
    int error_code = 0, is_dirty, is_user;
111
    unsigned long page_offset;
112

    
113
    is_user = mmu_idx == MMU_USER_IDX;
114

    
115
    if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
116
        // Boot mode: instruction fetches are taken from PROM
117
        if (rw == 2 && (env->mmuregs[0] & env->def->mmu_bm)) {
118
            *physical = env->prom_addr | (address & 0x7ffffULL);
119
            *prot = PAGE_READ | PAGE_EXEC;
120
            return 0;
121
        }
122
        *physical = address;
123
        *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
124
        return 0;
125
    }
126

    
127
    *access_index = ((rw & 1) << 2) | (rw & 2) | (is_user? 0 : 1);
128
    *physical = 0xffffffffffff0000ULL;
129

    
130
    /* SPARC reference MMU table walk: Context table->L1->L2->PTE */
131
    /* Context base + context number */
132
    pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
133
    pde = ldl_phys(pde_ptr);
134

    
135
    /* Ctx pde */
136
    switch (pde & PTE_ENTRYTYPE_MASK) {
137
    default:
138
    case 0: /* Invalid */
139
        return 1 << 2;
140
    case 2: /* L0 PTE, maybe should not happen? */
141
    case 3: /* Reserved */
142
        return 4 << 2;
143
    case 1: /* L0 PDE */
144
        pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
145
        pde = ldl_phys(pde_ptr);
146

    
147
        switch (pde & PTE_ENTRYTYPE_MASK) {
148
        default:
149
        case 0: /* Invalid */
150
            return (1 << 8) | (1 << 2);
151
        case 3: /* Reserved */
152
            return (1 << 8) | (4 << 2);
153
        case 1: /* L1 PDE */
154
            pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
155
            pde = ldl_phys(pde_ptr);
156

    
157
            switch (pde & PTE_ENTRYTYPE_MASK) {
158
            default:
159
            case 0: /* Invalid */
160
                return (2 << 8) | (1 << 2);
161
            case 3: /* Reserved */
162
                return (2 << 8) | (4 << 2);
163
            case 1: /* L2 PDE */
164
                pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
165
                pde = ldl_phys(pde_ptr);
166

    
167
                switch (pde & PTE_ENTRYTYPE_MASK) {
168
                default:
169
                case 0: /* Invalid */
170
                    return (3 << 8) | (1 << 2);
171
                case 1: /* PDE, should not happen */
172
                case 3: /* Reserved */
173
                    return (3 << 8) | (4 << 2);
174
                case 2: /* L3 PTE */
175
                    page_offset = (address & TARGET_PAGE_MASK) &
176
                        (TARGET_PAGE_SIZE - 1);
177
                }
178
                break;
179
            case 2: /* L2 PTE */
180
                page_offset = address & 0x3ffff;
181
            }
182
            break;
183
        case 2: /* L1 PTE */
184
            page_offset = address & 0xffffff;
185
        }
186
    }
187

    
188
    /* check access */
189
    access_perms = (pde & PTE_ACCESS_MASK) >> PTE_ACCESS_SHIFT;
190
    error_code = access_table[*access_index][access_perms];
191
    if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user))
192
        return error_code;
193

    
194
    /* update page modified and dirty bits */
195
    is_dirty = (rw & 1) && !(pde & PG_MODIFIED_MASK);
196
    if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
197
        pde |= PG_ACCESSED_MASK;
198
        if (is_dirty)
199
            pde |= PG_MODIFIED_MASK;
200
        stl_phys_notdirty(pde_ptr, pde);
201
    }
202

    
203
    /* the page can be put in the TLB */
204
    *prot = perm_table[is_user][access_perms];
205
    if (!(pde & PG_MODIFIED_MASK)) {
206
        /* only set write access if already dirty... otherwise wait
207
           for dirty access */
208
        *prot &= ~PAGE_WRITE;
209
    }
210

    
211
    /* Even if large ptes, we map only one 4KB page in the cache to
212
       avoid filling it too fast */
213
    *physical = ((target_phys_addr_t)(pde & PTE_ADDR_MASK) << 4) + page_offset;
214
    return error_code;
215
}
216

    
217
/* Perform address translation */
218
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
219
                              int mmu_idx, int is_softmmu)
220
{
221
    target_phys_addr_t paddr;
222
    target_ulong vaddr;
223
    int error_code = 0, prot, ret = 0, access_index;
224

    
225
    error_code = get_physical_address(env, &paddr, &prot, &access_index,
226
                                      address, rw, mmu_idx);
227
    if (error_code == 0) {
228
        vaddr = address & TARGET_PAGE_MASK;
229
        paddr &= TARGET_PAGE_MASK;
230
#ifdef DEBUG_MMU
231
        printf("Translate at " TARGET_FMT_lx " -> " TARGET_FMT_plx ", vaddr "
232
               TARGET_FMT_lx "\n", address, paddr, vaddr);
233
#endif
234
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
235
        return ret;
236
    }
237

    
238
    if (env->mmuregs[3]) /* Fault status register */
239
        env->mmuregs[3] = 1; /* overflow (not read before another fault) */
240
    env->mmuregs[3] |= (access_index << 5) | error_code | 2;
241
    env->mmuregs[4] = address; /* Fault address register */
242

    
243
    if ((env->mmuregs[0] & MMU_NF) || env->psret == 0)  {
244
        // No fault mode: if a mapping is available, just override
245
        // permissions. If no mapping is available, redirect accesses to
246
        // neverland. Fake/overridden mappings will be flushed when
247
        // switching to normal mode.
248
        vaddr = address & TARGET_PAGE_MASK;
249
        prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
250
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
251
        return ret;
252
    } else {
253
        if (rw & 2)
254
            env->exception_index = TT_TFAULT;
255
        else
256
            env->exception_index = TT_DFAULT;
257
        return 1;
258
    }
259
}
260

    
261
target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev)
262
{
263
    target_phys_addr_t pde_ptr;
264
    uint32_t pde;
265

    
266
    /* Context base + context number */
267
    pde_ptr = (target_phys_addr_t)(env->mmuregs[1] << 4) +
268
        (env->mmuregs[2] << 2);
269
    pde = ldl_phys(pde_ptr);
270

    
271
    switch (pde & PTE_ENTRYTYPE_MASK) {
272
    default:
273
    case 0: /* Invalid */
274
    case 2: /* PTE, maybe should not happen? */
275
    case 3: /* Reserved */
276
        return 0;
277
    case 1: /* L1 PDE */
278
        if (mmulev == 3)
279
            return pde;
280
        pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
281
        pde = ldl_phys(pde_ptr);
282

    
283
        switch (pde & PTE_ENTRYTYPE_MASK) {
284
        default:
285
        case 0: /* Invalid */
286
        case 3: /* Reserved */
287
            return 0;
288
        case 2: /* L1 PTE */
289
            return pde;
290
        case 1: /* L2 PDE */
291
            if (mmulev == 2)
292
                return pde;
293
            pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
294
            pde = ldl_phys(pde_ptr);
295

    
296
            switch (pde & PTE_ENTRYTYPE_MASK) {
297
            default:
298
            case 0: /* Invalid */
299
            case 3: /* Reserved */
300
                return 0;
301
            case 2: /* L2 PTE */
302
                return pde;
303
            case 1: /* L3 PDE */
304
                if (mmulev == 1)
305
                    return pde;
306
                pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
307
                pde = ldl_phys(pde_ptr);
308

    
309
                switch (pde & PTE_ENTRYTYPE_MASK) {
310
                default:
311
                case 0: /* Invalid */
312
                case 1: /* PDE, should not happen */
313
                case 3: /* Reserved */
314
                    return 0;
315
                case 2: /* L3 PTE */
316
                    return pde;
317
                }
318
            }
319
        }
320
    }
321
    return 0;
322
}
323

    
324
#ifdef DEBUG_MMU
325
void dump_mmu(CPUState *env)
326
{
327
    target_ulong va, va1, va2;
328
    unsigned int n, m, o;
329
    target_phys_addr_t pde_ptr, pa;
330
    uint32_t pde;
331

    
332
    printf("MMU dump:\n");
333
    pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
334
    pde = ldl_phys(pde_ptr);
335
    printf("Root ptr: " TARGET_FMT_plx ", ctx: %d\n",
336
           (target_phys_addr_t)env->mmuregs[1] << 4, env->mmuregs[2]);
337
    for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) {
338
        pde = mmu_probe(env, va, 2);
339
        if (pde) {
340
            pa = cpu_get_phys_page_debug(env, va);
341
            printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
342
                   " PDE: " TARGET_FMT_lx "\n", va, pa, pde);
343
            for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) {
344
                pde = mmu_probe(env, va1, 1);
345
                if (pde) {
346
                    pa = cpu_get_phys_page_debug(env, va1);
347
                    printf(" VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
348
                           " PDE: " TARGET_FMT_lx "\n", va1, pa, pde);
349
                    for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) {
350
                        pde = mmu_probe(env, va2, 0);
351
                        if (pde) {
352
                            pa = cpu_get_phys_page_debug(env, va2);
353
                            printf("  VA: " TARGET_FMT_lx ", PA: "
354
                                   TARGET_FMT_plx " PTE: " TARGET_FMT_lx "\n",
355
                                   va2, pa, pde);
356
                        }
357
                    }
358
                }
359
            }
360
        }
361
    }
362
    printf("MMU dump ends\n");
363
}
364
#endif /* DEBUG_MMU */
365

    
366
#else /* !TARGET_SPARC64 */
367

    
368
// 41 bit physical address space
369
static inline target_phys_addr_t ultrasparc_truncate_physical(uint64_t x)
370
{
371
    return x & 0x1ffffffffffULL;
372
}
373

    
374
/*
375
 * UltraSparc IIi I/DMMUs
376
 */
377

    
378
static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask)
379
{
380
    return (x & mask) == (y & mask);
381
}
382

    
383
// Returns true if TTE tag is valid and matches virtual address value in context
384
// requires virtual address mask value calculated from TTE entry size
385
static inline int ultrasparc_tag_match(SparcTLBEntry *tlb,
386
                                       uint64_t address, uint64_t context,
387
                                       target_phys_addr_t *physical,
388
                                       int is_nucleus)
389
{
390
    uint64_t mask;
391

    
392
    switch ((tlb->tte >> 61) & 3) {
393
    default:
394
    case 0x0: // 8k
395
        mask = 0xffffffffffffe000ULL;
396
        break;
397
    case 0x1: // 64k
398
        mask = 0xffffffffffff0000ULL;
399
        break;
400
    case 0x2: // 512k
401
        mask = 0xfffffffffff80000ULL;
402
        break;
403
    case 0x3: // 4M
404
        mask = 0xffffffffffc00000ULL;
405
        break;
406
    }
407

    
408
    // valid, context match, virtual address match?
409
    if (TTE_IS_VALID(tlb->tte) &&
410
        ((is_nucleus && compare_masked(0, tlb->tag, 0x1fff))
411
         || TTE_IS_GLOBAL(tlb->tte) || compare_masked(context, tlb->tag, 0x1fff))
412
        && compare_masked(address, tlb->tag, mask))
413
    {
414
        // decode physical address
415
        *physical = ((tlb->tte & mask) | (address & ~mask)) & 0x1ffffffe000ULL;
416
        return 1;
417
    }
418

    
419
    return 0;
420
}
421

    
422
static int get_physical_address_data(CPUState *env,
423
                                     target_phys_addr_t *physical, int *prot,
424
                                     target_ulong address, int rw, int is_user)
425
{
426
    unsigned int i;
427
    uint64_t context;
428
    int is_nucleus;
429

    
430
    if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */
431
        *physical = ultrasparc_truncate_physical(address);
432
        *prot = PAGE_READ | PAGE_WRITE;
433
        return 0;
434
    }
435

    
436
    context = env->dmmu.mmu_primary_context & 0x1fff;
437
    is_nucleus = env->tl > 0;
438

    
439
    for (i = 0; i < 64; i++) {
440
        // ctx match, vaddr match, valid?
441
        if (ultrasparc_tag_match(&env->dtlb[i],
442
                                 address, context, physical,
443
                                 is_nucleus)) {
444
            // access ok?
445
            if (((env->dtlb[i].tte & 0x4) && is_user) ||
446
                (!(env->dtlb[i].tte & 0x2) && (rw == 1))) {
447
                uint8_t fault_type = 0;
448

    
449
                if ((env->dtlb[i].tte & 0x4) && is_user) {
450
                    fault_type |= 1; /* privilege violation */
451
                }
452

    
453
                if (env->dmmu.sfsr & 1) /* Fault status register */
454
                    env->dmmu.sfsr = 2; /* overflow (not read before
455
                                             another fault) */
456

    
457
                env->dmmu.sfsr |= (is_user << 3) | ((rw == 1) << 2) | 1;
458

    
459
                env->dmmu.sfsr |= (fault_type << 7);
460

    
461
                env->dmmu.sfar = address; /* Fault address register */
462
                env->exception_index = TT_DFAULT;
463
#ifdef DEBUG_MMU
464
                printf("DFAULT at 0x%" PRIx64 "\n", address);
465
#endif
466
                return 1;
467
            }
468
            *prot = PAGE_READ;
469
            if (env->dtlb[i].tte & 0x2)
470
                *prot |= PAGE_WRITE;
471
            TTE_SET_USED(env->dtlb[i].tte);
472
            return 0;
473
        }
474
    }
475
#ifdef DEBUG_MMU
476
    printf("DMISS at 0x%" PRIx64 "\n", address);
477
#endif
478
    env->dmmu.tag_access = (address & ~0x1fffULL) | context;
479
    env->exception_index = TT_DMISS;
480
    return 1;
481
}
482

    
483
static int get_physical_address_code(CPUState *env,
484
                                     target_phys_addr_t *physical, int *prot,
485
                                     target_ulong address, int is_user)
486
{
487
    unsigned int i;
488
    uint64_t context;
489
    int is_nucleus;
490

    
491
    if ((env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0) {
492
        /* IMMU disabled */
493
        *physical = ultrasparc_truncate_physical(address);
494
        *prot = PAGE_EXEC;
495
        return 0;
496
    }
497

    
498
    context = env->dmmu.mmu_primary_context & 0x1fff;
499
    is_nucleus = env->tl > 0;
500

    
501
    for (i = 0; i < 64; i++) {
502
        // ctx match, vaddr match, valid?
503
        if (ultrasparc_tag_match(&env->itlb[i],
504
                                 address, context, physical,
505
                                 is_nucleus)) {
506
            // access ok?
507
            if ((env->itlb[i].tte & 0x4) && is_user) {
508
                if (env->immu.sfsr) /* Fault status register */
509
                    env->immu.sfsr = 2; /* overflow (not read before
510
                                             another fault) */
511
                env->immu.sfsr |= (is_user << 3) | 1;
512
                env->exception_index = TT_TFAULT;
513
#ifdef DEBUG_MMU
514
                printf("TFAULT at 0x%" PRIx64 "\n", address);
515
#endif
516
                return 1;
517
            }
518
            *prot = PAGE_EXEC;
519
            TTE_SET_USED(env->itlb[i].tte);
520
            return 0;
521
        }
522
    }
523
#ifdef DEBUG_MMU
524
    printf("TMISS at 0x%" PRIx64 "\n", address);
525
#endif
526
    /* Context is stored in DMMU (dmmuregs[1]) also for IMMU */
527
    env->immu.tag_access = (address & ~0x1fffULL) | context;
528
    env->exception_index = TT_TMISS;
529
    return 1;
530
}
531

    
532
static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
533
                                int *prot, int *access_index,
534
                                target_ulong address, int rw, int mmu_idx)
535
{
536
    int is_user = mmu_idx == MMU_USER_IDX;
537

    
538
    if (rw == 2)
539
        return get_physical_address_code(env, physical, prot, address,
540
                                         is_user);
541
    else
542
        return get_physical_address_data(env, physical, prot, address, rw,
543
                                         is_user);
544
}
545

    
546
/* Perform address translation */
547
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
548
                              int mmu_idx, int is_softmmu)
549
{
550
    target_ulong virt_addr, vaddr;
551
    target_phys_addr_t paddr;
552
    int error_code = 0, prot, ret = 0, access_index;
553

    
554
    error_code = get_physical_address(env, &paddr, &prot, &access_index,
555
                                      address, rw, mmu_idx);
556
    if (error_code == 0) {
557
        virt_addr = address & TARGET_PAGE_MASK;
558
        vaddr = virt_addr + ((address & TARGET_PAGE_MASK) &
559
                             (TARGET_PAGE_SIZE - 1));
560
#ifdef DEBUG_MMU
561
        printf("Translate at 0x%" PRIx64 " -> 0x%" PRIx64 ", vaddr 0x%" PRIx64
562
               "\n", address, paddr, vaddr);
563
#endif
564
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
565
        return ret;
566
    }
567
    // XXX
568
    return 1;
569
}
570

    
571
#ifdef DEBUG_MMU
572
void dump_mmu(CPUState *env)
573
{
574
    unsigned int i;
575
    const char *mask;
576

    
577
    printf("MMU contexts: Primary: %" PRId64 ", Secondary: %" PRId64 "\n",
578
           env->dmmu.mmu_primary_context, env->dmmu.mmu_secondary_context);
579
    if ((env->lsu & DMMU_E) == 0) {
580
        printf("DMMU disabled\n");
581
    } else {
582
        printf("DMMU dump:\n");
583
        for (i = 0; i < 64; i++) {
584
            switch ((env->dtlb[i].tte >> 61) & 3) {
585
            default:
586
            case 0x0:
587
                mask = "  8k";
588
                break;
589
            case 0x1:
590
                mask = " 64k";
591
                break;
592
            case 0x2:
593
                mask = "512k";
594
                break;
595
            case 0x3:
596
                mask = "  4M";
597
                break;
598
            }
599
            if ((env->dtlb[i].tte & 0x8000000000000000ULL) != 0) {
600
                printf("[%02u] VA: %" PRIx64 ", PA: %" PRIx64
601
                       ", %s, %s, %s, %s, ctx %" PRId64 " %s\n",
602
                       i,
603
                       env->dtlb[i].tag & (uint64_t)~0x1fffULL,
604
                       env->dtlb[i].tte & (uint64_t)0x1ffffffe000ULL,
605
                       mask,
606
                       env->dtlb[i].tte & 0x4? "priv": "user",
607
                       env->dtlb[i].tte & 0x2? "RW": "RO",
608
                       env->dtlb[i].tte & 0x40? "locked": "unlocked",
609
                       env->dtlb[i].tag & (uint64_t)0x1fffULL,
610
                       TTE_IS_GLOBAL(env->dtlb[i].tag)? "global" : "local");
611
            }
612
        }
613
    }
614
    if ((env->lsu & IMMU_E) == 0) {
615
        printf("IMMU disabled\n");
616
    } else {
617
        printf("IMMU dump:\n");
618
        for (i = 0; i < 64; i++) {
619
            switch ((env->itlb[i].tte >> 61) & 3) {
620
            default:
621
            case 0x0:
622
                mask = "  8k";
623
                break;
624
            case 0x1:
625
                mask = " 64k";
626
                break;
627
            case 0x2:
628
                mask = "512k";
629
                break;
630
            case 0x3:
631
                mask = "  4M";
632
                break;
633
            }
634
            if ((env->itlb[i].tte & 0x8000000000000000ULL) != 0) {
635
                printf("[%02u] VA: %" PRIx64 ", PA: %" PRIx64
636
                       ", %s, %s, %s, ctx %" PRId64 " %s\n",
637
                       i,
638
                       env->itlb[i].tag & (uint64_t)~0x1fffULL,
639
                       env->itlb[i].tte & (uint64_t)0x1ffffffe000ULL,
640
                       mask,
641
                       env->itlb[i].tte & 0x4? "priv": "user",
642
                       env->itlb[i].tte & 0x40? "locked": "unlocked",
643
                       env->itlb[i].tag & (uint64_t)0x1fffULL,
644
                       TTE_IS_GLOBAL(env->itlb[i].tag)? "global" : "local");
645
            }
646
        }
647
    }
648
}
649
#endif /* DEBUG_MMU */
650

    
651
#endif /* TARGET_SPARC64 */
652
#endif /* !CONFIG_USER_ONLY */
653

    
654

    
655
#if defined(CONFIG_USER_ONLY)
656
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
657
{
658
    return addr;
659
}
660

    
661
#else
662
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
663
{
664
    target_phys_addr_t phys_addr;
665
    int prot, access_index;
666

    
667
    if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2,
668
                             MMU_KERNEL_IDX) != 0)
669
        if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
670
                                 0, MMU_KERNEL_IDX) != 0)
671
            return -1;
672
    if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
673
        return -1;
674
    return phys_addr;
675
}
676
#endif
677

    
678
void cpu_reset(CPUSPARCState *env)
679
{
680
    if (qemu_loglevel_mask(CPU_LOG_RESET)) {
681
        qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
682
        log_cpu_state(env, 0);
683
    }
684

    
685
    tlb_flush(env, 1);
686
    env->cwp = 0;
687
#ifndef TARGET_SPARC64
688
    env->wim = 1;
689
#endif
690
    env->regwptr = env->regbase + (env->cwp * 16);
691
    CC_OP = CC_OP_FLAGS;
692
#if defined(CONFIG_USER_ONLY)
693
#ifdef TARGET_SPARC64
694
    env->cleanwin = env->nwindows - 2;
695
    env->cansave = env->nwindows - 2;
696
    env->pstate = PS_RMO | PS_PEF | PS_IE;
697
    env->asi = 0x82; // Primary no-fault
698
#endif
699
#else
700
#if !defined(TARGET_SPARC64)
701
    env->psret = 0;
702
#endif
703
    env->psrs = 1;
704
    env->psrps = 1;
705
#ifdef TARGET_SPARC64
706
    env->pstate = PS_PRIV|PS_RED|PS_PEF|PS_AG;
707
    env->hpstate = HS_PRIV;
708
    env->tl = env->maxtl;
709
    cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
710
    env->lsu = 0;
711
#else
712
    env->mmuregs[0] &= ~(MMU_E | MMU_NF);
713
    env->mmuregs[0] |= env->def->mmu_bm;
714
#endif
715
    env->pc = 0;
716
    env->npc = env->pc + 4;
717
#endif
718
}
719

    
720
static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
721
{
722
    sparc_def_t def1, *def = &def1;
723

    
724
    if (cpu_sparc_find_by_name(def, cpu_model) < 0)
725
        return -1;
726

    
727
    env->def = qemu_mallocz(sizeof(*def));
728
    memcpy(env->def, def, sizeof(*def));
729
#if defined(CONFIG_USER_ONLY)
730
    if ((env->def->features & CPU_FEATURE_FLOAT))
731
        env->def->features |= CPU_FEATURE_FLOAT128;
732
#endif
733
    env->cpu_model_str = cpu_model;
734
    env->version = def->iu_version;
735
    env->fsr = def->fpu_version;
736
    env->nwindows = def->nwindows;
737
#if !defined(TARGET_SPARC64)
738
    env->mmuregs[0] |= def->mmu_version;
739
    cpu_sparc_set_id(env, 0);
740
    env->mxccregs[7] |= def->mxcc_version;
741
#else
742
    env->mmu_version = def->mmu_version;
743
    env->maxtl = def->maxtl;
744
    env->version |= def->maxtl << 8;
745
    env->version |= def->nwindows - 1;
746
#endif
747
    return 0;
748
}
749

    
750
static void cpu_sparc_close(CPUSPARCState *env)
751
{
752
    free(env->def);
753
    free(env);
754
}
755

    
756
CPUSPARCState *cpu_sparc_init(const char *cpu_model)
757
{
758
    CPUSPARCState *env;
759

    
760
    env = qemu_mallocz(sizeof(CPUSPARCState));
761
    cpu_exec_init(env);
762

    
763
    gen_intermediate_code_init(env);
764

    
765
    if (cpu_sparc_register(env, cpu_model) < 0) {
766
        cpu_sparc_close(env);
767
        return NULL;
768
    }
769
    qemu_init_vcpu(env);
770

    
771
    return env;
772
}
773

    
774
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
775
{
776
#if !defined(TARGET_SPARC64)
777
    env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
778
#endif
779
}
780

    
781
static const sparc_def_t sparc_defs[] = {
782
#ifdef TARGET_SPARC64
783
    {
784
        .name = "Fujitsu Sparc64",
785
        .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
786
        .fpu_version = 0x00000000,
787
        .mmu_version = mmu_us_12,
788
        .nwindows = 4,
789
        .maxtl = 4,
790
        .features = CPU_DEFAULT_FEATURES,
791
    },
792
    {
793
        .name = "Fujitsu Sparc64 III",
794
        .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
795
        .fpu_version = 0x00000000,
796
        .mmu_version = mmu_us_12,
797
        .nwindows = 5,
798
        .maxtl = 4,
799
        .features = CPU_DEFAULT_FEATURES,
800
    },
801
    {
802
        .name = "Fujitsu Sparc64 IV",
803
        .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
804
        .fpu_version = 0x00000000,
805
        .mmu_version = mmu_us_12,
806
        .nwindows = 8,
807
        .maxtl = 5,
808
        .features = CPU_DEFAULT_FEATURES,
809
    },
810
    {
811
        .name = "Fujitsu Sparc64 V",
812
        .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
813
        .fpu_version = 0x00000000,
814
        .mmu_version = mmu_us_12,
815
        .nwindows = 8,
816
        .maxtl = 5,
817
        .features = CPU_DEFAULT_FEATURES,
818
    },
819
    {
820
        .name = "TI UltraSparc I",
821
        .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
822
        .fpu_version = 0x00000000,
823
        .mmu_version = mmu_us_12,
824
        .nwindows = 8,
825
        .maxtl = 5,
826
        .features = CPU_DEFAULT_FEATURES,
827
    },
828
    {
829
        .name = "TI UltraSparc II",
830
        .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
831
        .fpu_version = 0x00000000,
832
        .mmu_version = mmu_us_12,
833
        .nwindows = 8,
834
        .maxtl = 5,
835
        .features = CPU_DEFAULT_FEATURES,
836
    },
837
    {
838
        .name = "TI UltraSparc IIi",
839
        .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
840
        .fpu_version = 0x00000000,
841
        .mmu_version = mmu_us_12,
842
        .nwindows = 8,
843
        .maxtl = 5,
844
        .features = CPU_DEFAULT_FEATURES,
845
    },
846
    {
847
        .name = "TI UltraSparc IIe",
848
        .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
849
        .fpu_version = 0x00000000,
850
        .mmu_version = mmu_us_12,
851
        .nwindows = 8,
852
        .maxtl = 5,
853
        .features = CPU_DEFAULT_FEATURES,
854
    },
855
    {
856
        .name = "Sun UltraSparc III",
857
        .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
858
        .fpu_version = 0x00000000,
859
        .mmu_version = mmu_us_12,
860
        .nwindows = 8,
861
        .maxtl = 5,
862
        .features = CPU_DEFAULT_FEATURES,
863
    },
864
    {
865
        .name = "Sun UltraSparc III Cu",
866
        .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
867
        .fpu_version = 0x00000000,
868
        .mmu_version = mmu_us_3,
869
        .nwindows = 8,
870
        .maxtl = 5,
871
        .features = CPU_DEFAULT_FEATURES,
872
    },
873
    {
874
        .name = "Sun UltraSparc IIIi",
875
        .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
876
        .fpu_version = 0x00000000,
877
        .mmu_version = mmu_us_12,
878
        .nwindows = 8,
879
        .maxtl = 5,
880
        .features = CPU_DEFAULT_FEATURES,
881
    },
882
    {
883
        .name = "Sun UltraSparc IV",
884
        .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
885
        .fpu_version = 0x00000000,
886
        .mmu_version = mmu_us_4,
887
        .nwindows = 8,
888
        .maxtl = 5,
889
        .features = CPU_DEFAULT_FEATURES,
890
    },
891
    {
892
        .name = "Sun UltraSparc IV+",
893
        .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
894
        .fpu_version = 0x00000000,
895
        .mmu_version = mmu_us_12,
896
        .nwindows = 8,
897
        .maxtl = 5,
898
        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
899
    },
900
    {
901
        .name = "Sun UltraSparc IIIi+",
902
        .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
903
        .fpu_version = 0x00000000,
904
        .mmu_version = mmu_us_3,
905
        .nwindows = 8,
906
        .maxtl = 5,
907
        .features = CPU_DEFAULT_FEATURES,
908
    },
909
    {
910
        .name = "Sun UltraSparc T1",
911
        // defined in sparc_ifu_fdp.v and ctu.h
912
        .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
913
        .fpu_version = 0x00000000,
914
        .mmu_version = mmu_sun4v,
915
        .nwindows = 8,
916
        .maxtl = 6,
917
        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
918
        | CPU_FEATURE_GL,
919
    },
920
    {
921
        .name = "Sun UltraSparc T2",
922
        // defined in tlu_asi_ctl.v and n2_revid_cust.v
923
        .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
924
        .fpu_version = 0x00000000,
925
        .mmu_version = mmu_sun4v,
926
        .nwindows = 8,
927
        .maxtl = 6,
928
        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
929
        | CPU_FEATURE_GL,
930
    },
931
    {
932
        .name = "NEC UltraSparc I",
933
        .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
934
        .fpu_version = 0x00000000,
935
        .mmu_version = mmu_us_12,
936
        .nwindows = 8,
937
        .maxtl = 5,
938
        .features = CPU_DEFAULT_FEATURES,
939
    },
940
#else
941
    {
942
        .name = "Fujitsu MB86900",
943
        .iu_version = 0x00 << 24, /* Impl 0, ver 0 */
944
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
945
        .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */
946
        .mmu_bm = 0x00004000,
947
        .mmu_ctpr_mask = 0x007ffff0,
948
        .mmu_cxr_mask = 0x0000003f,
949
        .mmu_sfsr_mask = 0xffffffff,
950
        .mmu_trcr_mask = 0xffffffff,
951
        .nwindows = 7,
952
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD,
953
    },
954
    {
955
        .name = "Fujitsu MB86904",
956
        .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
957
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
958
        .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
959
        .mmu_bm = 0x00004000,
960
        .mmu_ctpr_mask = 0x00ffffc0,
961
        .mmu_cxr_mask = 0x000000ff,
962
        .mmu_sfsr_mask = 0x00016fff,
963
        .mmu_trcr_mask = 0x00ffffff,
964
        .nwindows = 8,
965
        .features = CPU_DEFAULT_FEATURES,
966
    },
967
    {
968
        .name = "Fujitsu MB86907",
969
        .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
970
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
971
        .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
972
        .mmu_bm = 0x00004000,
973
        .mmu_ctpr_mask = 0xffffffc0,
974
        .mmu_cxr_mask = 0x000000ff,
975
        .mmu_sfsr_mask = 0x00016fff,
976
        .mmu_trcr_mask = 0xffffffff,
977
        .nwindows = 8,
978
        .features = CPU_DEFAULT_FEATURES,
979
    },
980
    {
981
        .name = "LSI L64811",
982
        .iu_version = 0x10 << 24, /* Impl 1, ver 0 */
983
        .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */
984
        .mmu_version = 0x10 << 24,
985
        .mmu_bm = 0x00004000,
986
        .mmu_ctpr_mask = 0x007ffff0,
987
        .mmu_cxr_mask = 0x0000003f,
988
        .mmu_sfsr_mask = 0xffffffff,
989
        .mmu_trcr_mask = 0xffffffff,
990
        .nwindows = 8,
991
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
992
        CPU_FEATURE_FSMULD,
993
    },
994
    {
995
        .name = "Cypress CY7C601",
996
        .iu_version = 0x11 << 24, /* Impl 1, ver 1 */
997
        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
998
        .mmu_version = 0x10 << 24,
999
        .mmu_bm = 0x00004000,
1000
        .mmu_ctpr_mask = 0x007ffff0,
1001
        .mmu_cxr_mask = 0x0000003f,
1002
        .mmu_sfsr_mask = 0xffffffff,
1003
        .mmu_trcr_mask = 0xffffffff,
1004
        .nwindows = 8,
1005
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1006
        CPU_FEATURE_FSMULD,
1007
    },
1008
    {
1009
        .name = "Cypress CY7C611",
1010
        .iu_version = 0x13 << 24, /* Impl 1, ver 3 */
1011
        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
1012
        .mmu_version = 0x10 << 24,
1013
        .mmu_bm = 0x00004000,
1014
        .mmu_ctpr_mask = 0x007ffff0,
1015
        .mmu_cxr_mask = 0x0000003f,
1016
        .mmu_sfsr_mask = 0xffffffff,
1017
        .mmu_trcr_mask = 0xffffffff,
1018
        .nwindows = 8,
1019
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1020
        CPU_FEATURE_FSMULD,
1021
    },
1022
    {
1023
        .name = "TI MicroSparc I",
1024
        .iu_version = 0x41000000,
1025
        .fpu_version = 4 << 17,
1026
        .mmu_version = 0x41000000,
1027
        .mmu_bm = 0x00004000,
1028
        .mmu_ctpr_mask = 0x007ffff0,
1029
        .mmu_cxr_mask = 0x0000003f,
1030
        .mmu_sfsr_mask = 0x00016fff,
1031
        .mmu_trcr_mask = 0x0000003f,
1032
        .nwindows = 7,
1033
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
1034
        CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
1035
        CPU_FEATURE_FMUL,
1036
    },
1037
    {
1038
        .name = "TI MicroSparc II",
1039
        .iu_version = 0x42000000,
1040
        .fpu_version = 4 << 17,
1041
        .mmu_version = 0x02000000,
1042
        .mmu_bm = 0x00004000,
1043
        .mmu_ctpr_mask = 0x00ffffc0,
1044
        .mmu_cxr_mask = 0x000000ff,
1045
        .mmu_sfsr_mask = 0x00016fff,
1046
        .mmu_trcr_mask = 0x00ffffff,
1047
        .nwindows = 8,
1048
        .features = CPU_DEFAULT_FEATURES,
1049
    },
1050
    {
1051
        .name = "TI MicroSparc IIep",
1052
        .iu_version = 0x42000000,
1053
        .fpu_version = 4 << 17,
1054
        .mmu_version = 0x04000000,
1055
        .mmu_bm = 0x00004000,
1056
        .mmu_ctpr_mask = 0x00ffffc0,
1057
        .mmu_cxr_mask = 0x000000ff,
1058
        .mmu_sfsr_mask = 0x00016bff,
1059
        .mmu_trcr_mask = 0x00ffffff,
1060
        .nwindows = 8,
1061
        .features = CPU_DEFAULT_FEATURES,
1062
    },
1063
    {
1064
        .name = "TI SuperSparc 40", // STP1020NPGA
1065
        .iu_version = 0x41000000, // SuperSPARC 2.x
1066
        .fpu_version = 0 << 17,
1067
        .mmu_version = 0x00000800, // SuperSPARC 2.x, no MXCC
1068
        .mmu_bm = 0x00002000,
1069
        .mmu_ctpr_mask = 0xffffffc0,
1070
        .mmu_cxr_mask = 0x0000ffff,
1071
        .mmu_sfsr_mask = 0xffffffff,
1072
        .mmu_trcr_mask = 0xffffffff,
1073
        .nwindows = 8,
1074
        .features = CPU_DEFAULT_FEATURES,
1075
    },
1076
    {
1077
        .name = "TI SuperSparc 50", // STP1020PGA
1078
        .iu_version = 0x40000000, // SuperSPARC 3.x
1079
        .fpu_version = 0 << 17,
1080
        .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC
1081
        .mmu_bm = 0x00002000,
1082
        .mmu_ctpr_mask = 0xffffffc0,
1083
        .mmu_cxr_mask = 0x0000ffff,
1084
        .mmu_sfsr_mask = 0xffffffff,
1085
        .mmu_trcr_mask = 0xffffffff,
1086
        .nwindows = 8,
1087
        .features = CPU_DEFAULT_FEATURES,
1088
    },
1089
    {
1090
        .name = "TI SuperSparc 51",
1091
        .iu_version = 0x40000000, // SuperSPARC 3.x
1092
        .fpu_version = 0 << 17,
1093
        .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC
1094
        .mmu_bm = 0x00002000,
1095
        .mmu_ctpr_mask = 0xffffffc0,
1096
        .mmu_cxr_mask = 0x0000ffff,
1097
        .mmu_sfsr_mask = 0xffffffff,
1098
        .mmu_trcr_mask = 0xffffffff,
1099
        .mxcc_version = 0x00000104,
1100
        .nwindows = 8,
1101
        .features = CPU_DEFAULT_FEATURES,
1102
    },
1103
    {
1104
        .name = "TI SuperSparc 60", // STP1020APGA
1105
        .iu_version = 0x40000000, // SuperSPARC 3.x
1106
        .fpu_version = 0 << 17,
1107
        .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC
1108
        .mmu_bm = 0x00002000,
1109
        .mmu_ctpr_mask = 0xffffffc0,
1110
        .mmu_cxr_mask = 0x0000ffff,
1111
        .mmu_sfsr_mask = 0xffffffff,
1112
        .mmu_trcr_mask = 0xffffffff,
1113
        .nwindows = 8,
1114
        .features = CPU_DEFAULT_FEATURES,
1115
    },
1116
    {
1117
        .name = "TI SuperSparc 61",
1118
        .iu_version = 0x44000000, // SuperSPARC 3.x
1119
        .fpu_version = 0 << 17,
1120
        .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC
1121
        .mmu_bm = 0x00002000,
1122
        .mmu_ctpr_mask = 0xffffffc0,
1123
        .mmu_cxr_mask = 0x0000ffff,
1124
        .mmu_sfsr_mask = 0xffffffff,
1125
        .mmu_trcr_mask = 0xffffffff,
1126
        .mxcc_version = 0x00000104,
1127
        .nwindows = 8,
1128
        .features = CPU_DEFAULT_FEATURES,
1129
    },
1130
    {
1131
        .name = "TI SuperSparc II",
1132
        .iu_version = 0x40000000, // SuperSPARC II 1.x
1133
        .fpu_version = 0 << 17,
1134
        .mmu_version = 0x08000000, // SuperSPARC II 1.x, MXCC
1135
        .mmu_bm = 0x00002000,
1136
        .mmu_ctpr_mask = 0xffffffc0,
1137
        .mmu_cxr_mask = 0x0000ffff,
1138
        .mmu_sfsr_mask = 0xffffffff,
1139
        .mmu_trcr_mask = 0xffffffff,
1140
        .mxcc_version = 0x00000104,
1141
        .nwindows = 8,
1142
        .features = CPU_DEFAULT_FEATURES,
1143
    },
1144
    {
1145
        .name = "Ross RT625",
1146
        .iu_version = 0x1e000000,
1147
        .fpu_version = 1 << 17,
1148
        .mmu_version = 0x1e000000,
1149
        .mmu_bm = 0x00004000,
1150
        .mmu_ctpr_mask = 0x007ffff0,
1151
        .mmu_cxr_mask = 0x0000003f,
1152
        .mmu_sfsr_mask = 0xffffffff,
1153
        .mmu_trcr_mask = 0xffffffff,
1154
        .nwindows = 8,
1155
        .features = CPU_DEFAULT_FEATURES,
1156
    },
1157
    {
1158
        .name = "Ross RT620",
1159
        .iu_version = 0x1f000000,
1160
        .fpu_version = 1 << 17,
1161
        .mmu_version = 0x1f000000,
1162
        .mmu_bm = 0x00004000,
1163
        .mmu_ctpr_mask = 0x007ffff0,
1164
        .mmu_cxr_mask = 0x0000003f,
1165
        .mmu_sfsr_mask = 0xffffffff,
1166
        .mmu_trcr_mask = 0xffffffff,
1167
        .nwindows = 8,
1168
        .features = CPU_DEFAULT_FEATURES,
1169
    },
1170
    {
1171
        .name = "BIT B5010",
1172
        .iu_version = 0x20000000,
1173
        .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */
1174
        .mmu_version = 0x20000000,
1175
        .mmu_bm = 0x00004000,
1176
        .mmu_ctpr_mask = 0x007ffff0,
1177
        .mmu_cxr_mask = 0x0000003f,
1178
        .mmu_sfsr_mask = 0xffffffff,
1179
        .mmu_trcr_mask = 0xffffffff,
1180
        .nwindows = 8,
1181
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1182
        CPU_FEATURE_FSMULD,
1183
    },
1184
    {
1185
        .name = "Matsushita MN10501",
1186
        .iu_version = 0x50000000,
1187
        .fpu_version = 0 << 17,
1188
        .mmu_version = 0x50000000,
1189
        .mmu_bm = 0x00004000,
1190
        .mmu_ctpr_mask = 0x007ffff0,
1191
        .mmu_cxr_mask = 0x0000003f,
1192
        .mmu_sfsr_mask = 0xffffffff,
1193
        .mmu_trcr_mask = 0xffffffff,
1194
        .nwindows = 8,
1195
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT |
1196
        CPU_FEATURE_FSMULD,
1197
    },
1198
    {
1199
        .name = "Weitek W8601",
1200
        .iu_version = 0x90 << 24, /* Impl 9, ver 0 */
1201
        .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */
1202
        .mmu_version = 0x10 << 24,
1203
        .mmu_bm = 0x00004000,
1204
        .mmu_ctpr_mask = 0x007ffff0,
1205
        .mmu_cxr_mask = 0x0000003f,
1206
        .mmu_sfsr_mask = 0xffffffff,
1207
        .mmu_trcr_mask = 0xffffffff,
1208
        .nwindows = 8,
1209
        .features = CPU_DEFAULT_FEATURES,
1210
    },
1211
    {
1212
        .name = "LEON2",
1213
        .iu_version = 0xf2000000,
1214
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1215
        .mmu_version = 0xf2000000,
1216
        .mmu_bm = 0x00004000,
1217
        .mmu_ctpr_mask = 0x007ffff0,
1218
        .mmu_cxr_mask = 0x0000003f,
1219
        .mmu_sfsr_mask = 0xffffffff,
1220
        .mmu_trcr_mask = 0xffffffff,
1221
        .nwindows = 8,
1222
        .features = CPU_DEFAULT_FEATURES,
1223
    },
1224
    {
1225
        .name = "LEON3",
1226
        .iu_version = 0xf3000000,
1227
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1228
        .mmu_version = 0xf3000000,
1229
        .mmu_bm = 0x00004000,
1230
        .mmu_ctpr_mask = 0x007ffff0,
1231
        .mmu_cxr_mask = 0x0000003f,
1232
        .mmu_sfsr_mask = 0xffffffff,
1233
        .mmu_trcr_mask = 0xffffffff,
1234
        .nwindows = 8,
1235
        .features = CPU_DEFAULT_FEATURES,
1236
    },
1237
#endif
1238
};
1239

    
1240
static const char * const feature_name[] = {
1241
    "float",
1242
    "float128",
1243
    "swap",
1244
    "mul",
1245
    "div",
1246
    "flush",
1247
    "fsqrt",
1248
    "fmul",
1249
    "vis1",
1250
    "vis2",
1251
    "fsmuld",
1252
    "hypv",
1253
    "cmt",
1254
    "gl",
1255
};
1256

    
1257
static void print_features(FILE *f,
1258
                           int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1259
                           uint32_t features, const char *prefix)
1260
{
1261
    unsigned int i;
1262

    
1263
    for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1264
        if (feature_name[i] && (features & (1 << i))) {
1265
            if (prefix)
1266
                (*cpu_fprintf)(f, "%s", prefix);
1267
            (*cpu_fprintf)(f, "%s ", feature_name[i]);
1268
        }
1269
}
1270

    
1271
static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
1272
{
1273
    unsigned int i;
1274

    
1275
    for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1276
        if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
1277
            *features |= 1 << i;
1278
            return;
1279
        }
1280
    fprintf(stderr, "CPU feature %s not found\n", flagname);
1281
}
1282

    
1283
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
1284
{
1285
    unsigned int i;
1286
    const sparc_def_t *def = NULL;
1287
    char *s = strdup(cpu_model);
1288
    char *featurestr, *name = strtok(s, ",");
1289
    uint32_t plus_features = 0;
1290
    uint32_t minus_features = 0;
1291
    long long iu_version;
1292
    uint32_t fpu_version, mmu_version, nwindows;
1293

    
1294
    for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
1295
        if (strcasecmp(name, sparc_defs[i].name) == 0) {
1296
            def = &sparc_defs[i];
1297
        }
1298
    }
1299
    if (!def)
1300
        goto error;
1301
    memcpy(cpu_def, def, sizeof(*def));
1302

    
1303
    featurestr = strtok(NULL, ",");
1304
    while (featurestr) {
1305
        char *val;
1306

    
1307
        if (featurestr[0] == '+') {
1308
            add_flagname_to_bitmaps(featurestr + 1, &plus_features);
1309
        } else if (featurestr[0] == '-') {
1310
            add_flagname_to_bitmaps(featurestr + 1, &minus_features);
1311
        } else if ((val = strchr(featurestr, '='))) {
1312
            *val = 0; val++;
1313
            if (!strcmp(featurestr, "iu_version")) {
1314
                char *err;
1315

    
1316
                iu_version = strtoll(val, &err, 0);
1317
                if (!*val || *err) {
1318
                    fprintf(stderr, "bad numerical value %s\n", val);
1319
                    goto error;
1320
                }
1321
                cpu_def->iu_version = iu_version;
1322
#ifdef DEBUG_FEATURES
1323
                fprintf(stderr, "iu_version %llx\n", iu_version);
1324
#endif
1325
            } else if (!strcmp(featurestr, "fpu_version")) {
1326
                char *err;
1327

    
1328
                fpu_version = strtol(val, &err, 0);
1329
                if (!*val || *err) {
1330
                    fprintf(stderr, "bad numerical value %s\n", val);
1331
                    goto error;
1332
                }
1333
                cpu_def->fpu_version = fpu_version;
1334
#ifdef DEBUG_FEATURES
1335
                fprintf(stderr, "fpu_version %x\n", fpu_version);
1336
#endif
1337
            } else if (!strcmp(featurestr, "mmu_version")) {
1338
                char *err;
1339

    
1340
                mmu_version = strtol(val, &err, 0);
1341
                if (!*val || *err) {
1342
                    fprintf(stderr, "bad numerical value %s\n", val);
1343
                    goto error;
1344
                }
1345
                cpu_def->mmu_version = mmu_version;
1346
#ifdef DEBUG_FEATURES
1347
                fprintf(stderr, "mmu_version %x\n", mmu_version);
1348
#endif
1349
            } else if (!strcmp(featurestr, "nwindows")) {
1350
                char *err;
1351

    
1352
                nwindows = strtol(val, &err, 0);
1353
                if (!*val || *err || nwindows > MAX_NWINDOWS ||
1354
                    nwindows < MIN_NWINDOWS) {
1355
                    fprintf(stderr, "bad numerical value %s\n", val);
1356
                    goto error;
1357
                }
1358
                cpu_def->nwindows = nwindows;
1359
#ifdef DEBUG_FEATURES
1360
                fprintf(stderr, "nwindows %d\n", nwindows);
1361
#endif
1362
            } else {
1363
                fprintf(stderr, "unrecognized feature %s\n", featurestr);
1364
                goto error;
1365
            }
1366
        } else {
1367
            fprintf(stderr, "feature string `%s' not in format "
1368
                    "(+feature|-feature|feature=xyz)\n", featurestr);
1369
            goto error;
1370
        }
1371
        featurestr = strtok(NULL, ",");
1372
    }
1373
    cpu_def->features |= plus_features;
1374
    cpu_def->features &= ~minus_features;
1375
#ifdef DEBUG_FEATURES
1376
    print_features(stderr, fprintf, cpu_def->features, NULL);
1377
#endif
1378
    free(s);
1379
    return 0;
1380

    
1381
 error:
1382
    free(s);
1383
    return -1;
1384
}
1385

    
1386
void sparc_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
1387
{
1388
    unsigned int i;
1389

    
1390
    for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
1391
        (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ",
1392
                       sparc_defs[i].name,
1393
                       sparc_defs[i].iu_version,
1394
                       sparc_defs[i].fpu_version,
1395
                       sparc_defs[i].mmu_version,
1396
                       sparc_defs[i].nwindows);
1397
        print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
1398
                       ~sparc_defs[i].features, "-");
1399
        print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
1400
                       sparc_defs[i].features, "+");
1401
        (*cpu_fprintf)(f, "\n");
1402
    }
1403
    (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
1404
    print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
1405
    (*cpu_fprintf)(f, "\n");
1406
    (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
1407
    print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
1408
    (*cpu_fprintf)(f, "\n");
1409
    (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
1410
                   "fpu_version mmu_version nwindows\n");
1411
}
1412

    
1413
static void cpu_print_cc(FILE *f,
1414
                         int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1415
                         uint32_t cc)
1416
{
1417
    cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG? 'N' : '-',
1418
                cc & PSR_ZERO? 'Z' : '-', cc & PSR_OVF? 'V' : '-',
1419
                cc & PSR_CARRY? 'C' : '-');
1420
}
1421

    
1422
#ifdef TARGET_SPARC64
1423
#define REGS_PER_LINE 4
1424
#else
1425
#define REGS_PER_LINE 8
1426
#endif
1427

    
1428
void cpu_dump_state(CPUState *env, FILE *f,
1429
                    int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1430
                    int flags)
1431
{
1432
    int i, x;
1433

    
1434
    cpu_fprintf(f, "pc: " TARGET_FMT_lx "  npc: " TARGET_FMT_lx "\n", env->pc,
1435
                env->npc);
1436
    cpu_fprintf(f, "General Registers:\n");
1437

    
1438
    for (i = 0; i < 8; i++) {
1439
        if (i % REGS_PER_LINE == 0) {
1440
            cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1);
1441
        }
1442
        cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
1443
        if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
1444
            cpu_fprintf(f, "\n");
1445
        }
1446
    }
1447
    cpu_fprintf(f, "\nCurrent Register Window:\n");
1448
    for (x = 0; x < 3; x++) {
1449
        for (i = 0; i < 8; i++) {
1450
            if (i % REGS_PER_LINE == 0) {
1451
                cpu_fprintf(f, "%%%c%d-%d: ",
1452
                            x == 0 ? 'o' : (x == 1 ? 'l' : 'i'),
1453
                            i, i + REGS_PER_LINE - 1);
1454
            }
1455
            cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]);
1456
            if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
1457
                cpu_fprintf(f, "\n");
1458
            }
1459
        }
1460
    }
1461
    cpu_fprintf(f, "\nFloating Point Registers:\n");
1462
    for (i = 0; i < TARGET_FPREGS; i++) {
1463
        if ((i & 3) == 0)
1464
            cpu_fprintf(f, "%%f%02d:", i);
1465
        cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]);
1466
        if ((i & 3) == 3)
1467
            cpu_fprintf(f, "\n");
1468
    }
1469
#ifdef TARGET_SPARC64
1470
    cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
1471
                GET_CCR(env));
1472
    cpu_print_cc(f, cpu_fprintf, GET_CCR(env) << PSR_CARRY_SHIFT);
1473
    cpu_fprintf(f, " xcc: ");
1474
    cpu_print_cc(f, cpu_fprintf, GET_CCR(env) << (PSR_CARRY_SHIFT - 4));
1475
    cpu_fprintf(f, ") asi: %02x tl: %d pil: %x\n", env->asi, env->tl,
1476
                env->psrpil);
1477
    cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
1478
                "cleanwin: %d cwp: %d\n",
1479
                env->cansave, env->canrestore, env->otherwin, env->wstate,
1480
                env->cleanwin, env->nwindows - 1 - env->cwp);
1481
    cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: "
1482
                TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
1483
#else
1484
    cpu_fprintf(f, "psr: %08x (icc: ", GET_PSR(env));
1485
    cpu_print_cc(f, cpu_fprintf, GET_PSR(env));
1486
    cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs? 'S' : '-',
1487
                env->psrps? 'P' : '-', env->psret? 'E' : '-',
1488
                env->wim);
1489
    cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n",
1490
                env->fsr, env->y);
1491
#endif
1492
}