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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
 *
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 * 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
 *
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 * 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>
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#include <stdio.h>
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#include <string.h>
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#include <inttypes.h>
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#include <signal.h>
25

    
26
#include "cpu.h"
27
#include "exec-all.h"
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#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 a_spinlock 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 },
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    { 8, 8, 0, 0, 0, 8, 0, 0 },
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    { 8, 0, 8, 0, 8, 8, 12, 12 },
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    { 8, 0, 8, 0, 8, 0, 8, 0 },
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    { 8, 8, 8, 0, 8, 8, 12, 12 },
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    { 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, a_target_phys_addr *physical,
104
                                int *prot, int *access_index,
105
                                target_ulong address, int rw, int mmu_idx)
106
{
107
    int access_perms = 0;
108
    a_target_phys_addr pde_ptr;
109
    uint32_t pde;
110
    target_ulong virt_addr;
111
    int error_code = 0, is_dirty, is_user;
112
    unsigned long page_offset;
113

    
114
    is_user = mmu_idx == MMU_USER_IDX;
115
    virt_addr = address & TARGET_PAGE_MASK;
116

    
117
    if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
118
        // Boot mode: instruction fetches are taken from PROM
119
        if (rw == 2 && (env->mmuregs[0] & env->def->mmu_bm)) {
120
            *physical = env->prom_addr | (address & 0x7ffffULL);
121
            *prot = PAGE_READ | PAGE_EXEC;
122
            return 0;
123
        }
124
        *physical = address;
125
        *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
126
        return 0;
127
    }
128

    
129
    *access_index = ((rw & 1) << 2) | (rw & 2) | (is_user? 0 : 1);
130
    *physical = 0xffffffffffff0000ULL;
131

    
132
    /* SPARC reference MMU table walk: Context table->L1->L2->PTE */
133
    /* Context base + context number */
134
    pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
135
    pde = ldl_phys(pde_ptr);
136

    
137
    /* Ctx pde */
138
    switch (pde & PTE_ENTRYTYPE_MASK) {
139
    default:
140
    case 0: /* Invalid */
141
        return 1 << 2;
142
    case 2: /* L0 PTE, maybe should not happen? */
143
    case 3: /* Reserved */
144
        return 4 << 2;
145
    case 1: /* L0 PDE */
146
        pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
147
        pde = ldl_phys(pde_ptr);
148

    
149
        switch (pde & PTE_ENTRYTYPE_MASK) {
150
        default:
151
        case 0: /* Invalid */
152
            return (1 << 8) | (1 << 2);
153
        case 3: /* Reserved */
154
            return (1 << 8) | (4 << 2);
155
        case 1: /* L1 PDE */
156
            pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
157
            pde = ldl_phys(pde_ptr);
158

    
159
            switch (pde & PTE_ENTRYTYPE_MASK) {
160
            default:
161
            case 0: /* Invalid */
162
                return (2 << 8) | (1 << 2);
163
            case 3: /* Reserved */
164
                return (2 << 8) | (4 << 2);
165
            case 1: /* L2 PDE */
166
                pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
167
                pde = ldl_phys(pde_ptr);
168

    
169
                switch (pde & PTE_ENTRYTYPE_MASK) {
170
                default:
171
                case 0: /* Invalid */
172
                    return (3 << 8) | (1 << 2);
173
                case 1: /* PDE, should not happen */
174
                case 3: /* Reserved */
175
                    return (3 << 8) | (4 << 2);
176
                case 2: /* L3 PTE */
177
                    virt_addr = address & TARGET_PAGE_MASK;
178
                    page_offset = (address & TARGET_PAGE_MASK) &
179
                        (TARGET_PAGE_SIZE - 1);
180
                }
181
                break;
182
            case 2: /* L2 PTE */
183
                virt_addr = address & ~0x3ffff;
184
                page_offset = address & 0x3ffff;
185
            }
186
            break;
187
        case 2: /* L1 PTE */
188
            virt_addr = address & ~0xffffff;
189
            page_offset = address & 0xffffff;
190
        }
191
    }
192

    
193
    /* update page modified and dirty bits */
194
    is_dirty = (rw & 1) && !(pde & PG_MODIFIED_MASK);
195
    if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
196
        pde |= PG_ACCESSED_MASK;
197
        if (is_dirty)
198
            pde |= PG_MODIFIED_MASK;
199
        stl_phys_notdirty(pde_ptr, pde);
200
    }
201
    /* check access */
202
    access_perms = (pde & PTE_ACCESS_MASK) >> PTE_ACCESS_SHIFT;
203
    error_code = access_table[*access_index][access_perms];
204
    if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user))
205
        return error_code;
206

    
207
    /* the page can be put in the TLB */
208
    *prot = perm_table[is_user][access_perms];
209
    if (!(pde & PG_MODIFIED_MASK)) {
210
        /* only set write access if already dirty... otherwise wait
211
           for dirty access */
212
        *prot &= ~PAGE_WRITE;
213
    }
214

    
215
    /* Even if large ptes, we map only one 4KB page in the cache to
216
       avoid filling it too fast */
217
    *physical = ((a_target_phys_addr)(pde & PTE_ADDR_MASK) << 4) + page_offset;
218
    return error_code;
219
}
220

    
221
/* Perform address translation */
222
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
223
                              int mmu_idx, int is_softmmu)
224
{
225
    a_target_phys_addr paddr;
226
    target_ulong vaddr;
227
    int error_code = 0, prot, ret = 0, access_index;
228

    
229
    error_code = get_physical_address(env, &paddr, &prot, &access_index,
230
                                      address, rw, mmu_idx);
231
    if (error_code == 0) {
232
        vaddr = address & TARGET_PAGE_MASK;
233
        paddr &= TARGET_PAGE_MASK;
234
#ifdef DEBUG_MMU
235
        printf("Translate at " TARGET_FMT_lx " -> " TARGET_FMT_plx ", vaddr "
236
               TARGET_FMT_lx "\n", address, paddr, vaddr);
237
#endif
238
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
239
        return ret;
240
    }
241

    
242
    if (env->mmuregs[3]) /* Fault status register */
243
        env->mmuregs[3] = 1; /* overflow (not read before another fault) */
244
    env->mmuregs[3] |= (access_index << 5) | error_code | 2;
245
    env->mmuregs[4] = address; /* Fault address register */
246

    
247
    if ((env->mmuregs[0] & MMU_NF) || env->psret == 0)  {
248
        // No fault mode: if a mapping is available, just override
249
        // permissions. If no mapping is available, redirect accesses to
250
        // neverland. Fake/overridden mappings will be flushed when
251
        // switching to normal mode.
252
        vaddr = address & TARGET_PAGE_MASK;
253
        prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
254
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
255
        return ret;
256
    } else {
257
        if (rw & 2)
258
            env->exception_index = TT_TFAULT;
259
        else
260
            env->exception_index = TT_DFAULT;
261
        return 1;
262
    }
263
}
264

    
265
target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev)
266
{
267
    a_target_phys_addr pde_ptr;
268
    uint32_t pde;
269

    
270
    /* Context base + context number */
271
    pde_ptr = (a_target_phys_addr)(env->mmuregs[1] << 4) +
272
        (env->mmuregs[2] << 2);
273
    pde = ldl_phys(pde_ptr);
274

    
275
    switch (pde & PTE_ENTRYTYPE_MASK) {
276
    default:
277
    case 0: /* Invalid */
278
    case 2: /* PTE, maybe should not happen? */
279
    case 3: /* Reserved */
280
        return 0;
281
    case 1: /* L1 PDE */
282
        if (mmulev == 3)
283
            return pde;
284
        pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
285
        pde = ldl_phys(pde_ptr);
286

    
287
        switch (pde & PTE_ENTRYTYPE_MASK) {
288
        default:
289
        case 0: /* Invalid */
290
        case 3: /* Reserved */
291
            return 0;
292
        case 2: /* L1 PTE */
293
            return pde;
294
        case 1: /* L2 PDE */
295
            if (mmulev == 2)
296
                return pde;
297
            pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
298
            pde = ldl_phys(pde_ptr);
299

    
300
            switch (pde & PTE_ENTRYTYPE_MASK) {
301
            default:
302
            case 0: /* Invalid */
303
            case 3: /* Reserved */
304
                return 0;
305
            case 2: /* L2 PTE */
306
                return pde;
307
            case 1: /* L3 PDE */
308
                if (mmulev == 1)
309
                    return pde;
310
                pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
311
                pde = ldl_phys(pde_ptr);
312

    
313
                switch (pde & PTE_ENTRYTYPE_MASK) {
314
                default:
315
                case 0: /* Invalid */
316
                case 1: /* PDE, should not happen */
317
                case 3: /* Reserved */
318
                    return 0;
319
                case 2: /* L3 PTE */
320
                    return pde;
321
                }
322
            }
323
        }
324
    }
325
    return 0;
326
}
327

    
328
#ifdef DEBUG_MMU
329
void dump_mmu(CPUState *env)
330
{
331
    target_ulong va, va1, va2;
332
    unsigned int n, m, o;
333
    a_target_phys_addr pde_ptr, pa;
334
    uint32_t pde;
335

    
336
    printf("MMU dump:\n");
337
    pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
338
    pde = ldl_phys(pde_ptr);
339
    printf("Root ptr: " TARGET_FMT_plx ", ctx: %d\n",
340
           (a_target_phys_addr)env->mmuregs[1] << 4, env->mmuregs[2]);
341
    for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) {
342
        pde = mmu_probe(env, va, 2);
343
        if (pde) {
344
            pa = cpu_get_phys_page_debug(env, va);
345
            printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
346
                   " PDE: " TARGET_FMT_lx "\n", va, pa, pde);
347
            for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) {
348
                pde = mmu_probe(env, va1, 1);
349
                if (pde) {
350
                    pa = cpu_get_phys_page_debug(env, va1);
351
                    printf(" VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
352
                           " PDE: " TARGET_FMT_lx "\n", va1, pa, pde);
353
                    for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) {
354
                        pde = mmu_probe(env, va2, 0);
355
                        if (pde) {
356
                            pa = cpu_get_phys_page_debug(env, va2);
357
                            printf("  VA: " TARGET_FMT_lx ", PA: "
358
                                   TARGET_FMT_plx " PTE: " TARGET_FMT_lx "\n",
359
                                   va2, pa, pde);
360
                        }
361
                    }
362
                }
363
            }
364
        }
365
    }
366
    printf("MMU dump ends\n");
367
}
368
#endif /* DEBUG_MMU */
369

    
370
#else /* !TARGET_SPARC64 */
371

    
372
// 41 bit physical address space
373
static inline a_target_phys_addr ultrasparc_truncate_physical(uint64_t x)
374
{
375
    return x & 0x1ffffffffffULL;
376
}
377

    
378
/*
379
 * UltraSparc IIi I/DMMUs
380
 */
381

    
382
static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask)
383
{
384
    return (x & mask) == (y & mask);
385
}
386

    
387
// Returns true if TTE tag is valid and matches virtual address value in context
388
// requires virtual address mask value calculated from TTE entry size
389
static inline int ultrasparc_tag_match(SparcTLBEntry *tlb,
390
                                       uint64_t address, uint64_t context,
391
                                       a_target_phys_addr *physical)
392
{
393
    uint64_t mask;
394

    
395
    switch ((tlb->tte >> 61) & 3) {
396
    default:
397
    case 0x0: // 8k
398
        mask = 0xffffffffffffe000ULL;
399
        break;
400
    case 0x1: // 64k
401
        mask = 0xffffffffffff0000ULL;
402
        break;
403
    case 0x2: // 512k
404
        mask = 0xfffffffffff80000ULL;
405
        break;
406
    case 0x3: // 4M
407
        mask = 0xffffffffffc00000ULL;
408
        break;
409
    }
410

    
411
    // valid, context match, virtual address match?
412
    if (TTE_IS_VALID(tlb->tte) &&
413
            compare_masked(context, tlb->tag, 0x1fff) &&
414
            compare_masked(address, tlb->tag, mask))
415
    {
416
        // decode physical address
417
        *physical = ((tlb->tte & mask) | (address & ~mask)) & 0x1ffffffe000ULL;
418
        return 1;
419
    }
420

    
421
    return 0;
422
}
423

    
424
static int get_physical_address_data(CPUState *env,
425
                                     a_target_phys_addr *physical, int *prot,
426
                                     target_ulong address, int rw, int is_user)
427
{
428
    unsigned int i;
429
    uint64_t context;
430

    
431
    if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */
432
        *physical = ultrasparc_truncate_physical(address);
433
        *prot = PAGE_READ | PAGE_WRITE;
434
        return 0;
435
    }
436

    
437
    context = env->dmmu.mmu_primary_context & 0x1fff;
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
        ) {
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
                                     a_target_phys_addr *physical, int *prot,
485
                                     target_ulong address, int is_user)
486
{
487
    unsigned int i;
488
    uint64_t context;
489

    
490
    if ((env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0) {
491
        /* IMMU disabled */
492
        *physical = ultrasparc_truncate_physical(address);
493
        *prot = PAGE_EXEC;
494
        return 0;
495
    }
496

    
497
    context = env->dmmu.mmu_primary_context & 0x1fff;
498

    
499
    for (i = 0; i < 64; i++) {
500
        // ctx match, vaddr match, valid?
501
        if (ultrasparc_tag_match(&env->itlb[i],
502
                                 address, context, physical)
503
        ) {
504
            // access ok?
505
            if ((env->itlb[i].tte & 0x4) && is_user) {
506
                if (env->immu.sfsr) /* Fault status register */
507
                    env->immu.sfsr = 2; /* overflow (not read before
508
                                             another fault) */
509
                env->immu.sfsr |= (is_user << 3) | 1;
510
                env->exception_index = TT_TFAULT;
511
#ifdef DEBUG_MMU
512
                printf("TFAULT at 0x%" PRIx64 "\n", address);
513
#endif
514
                return 1;
515
            }
516
            *prot = PAGE_EXEC;
517
            TTE_SET_USED(env->itlb[i].tte);
518
            return 0;
519
        }
520
    }
521
#ifdef DEBUG_MMU
522
    printf("TMISS at 0x%" PRIx64 "\n", address);
523
#endif
524
    /* Context is stored in DMMU (dmmuregs[1]) also for IMMU */
525
    env->immu.tag_access = (address & ~0x1fffULL) | context;
526
    env->exception_index = TT_TMISS;
527
    return 1;
528
}
529

    
530
static int get_physical_address(CPUState *env, a_target_phys_addr *physical,
531
                                int *prot, int *access_index,
532
                                target_ulong address, int rw, int mmu_idx)
533
{
534
    int is_user = mmu_idx == MMU_USER_IDX;
535

    
536
    if (rw == 2)
537
        return get_physical_address_code(env, physical, prot, address,
538
                                         is_user);
539
    else
540
        return get_physical_address_data(env, physical, prot, address, rw,
541
                                         is_user);
542
}
543

    
544
/* Perform address translation */
545
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
546
                              int mmu_idx, int is_softmmu)
547
{
548
    target_ulong virt_addr, vaddr;
549
    a_target_phys_addr paddr;
550
    int error_code = 0, prot, ret = 0, access_index;
551

    
552
    error_code = get_physical_address(env, &paddr, &prot, &access_index,
553
                                      address, rw, mmu_idx);
554
    if (error_code == 0) {
555
        virt_addr = address & TARGET_PAGE_MASK;
556
        vaddr = virt_addr + ((address & TARGET_PAGE_MASK) &
557
                             (TARGET_PAGE_SIZE - 1));
558
#ifdef DEBUG_MMU
559
        printf("Translate at 0x%" PRIx64 " -> 0x%" PRIx64 ", vaddr 0x%" PRIx64
560
               "\n", address, paddr, vaddr);
561
#endif
562
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
563
        return ret;
564
    }
565
    // XXX
566
    return 1;
567
}
568

    
569
#ifdef DEBUG_MMU
570
void dump_mmu(CPUState *env)
571
{
572
    unsigned int i;
573
    const char *mask;
574

    
575
    printf("MMU contexts: Primary: %" PRId64 ", Secondary: %" PRId64 "\n",
576
           env->dmmu.mmu_primary_context, env->dmmu.mmu_secondary_context);
577
    if ((env->lsu & DMMU_E) == 0) {
578
        printf("DMMU disabled\n");
579
    } else {
580
        printf("DMMU dump:\n");
581
        for (i = 0; i < 64; i++) {
582
            switch ((env->dtlb_tte[i] >> 61) & 3) {
583
            default:
584
            case 0x0:
585
                mask = "  8k";
586
                break;
587
            case 0x1:
588
                mask = " 64k";
589
                break;
590
            case 0x2:
591
                mask = "512k";
592
                break;
593
            case 0x3:
594
                mask = "  4M";
595
                break;
596
            }
597
            if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) {
598
                printf("[%02u] VA: " PRIx64 ", PA: " PRIx64
599
                       ", %s, %s, %s, %s, ctx %" PRId64 "\n",
600
                       i,
601
                       env->dtlb_tag[i] & (uint64_t)~0x1fffULL,
602
                       env->dtlb_tte[i] & (uint64_t)0x1ffffffe000ULL,
603
                       mask,
604
                       env->dtlb_tte[i] & 0x4? "priv": "user",
605
                       env->dtlb_tte[i] & 0x2? "RW": "RO",
606
                       env->dtlb_tte[i] & 0x40? "locked": "unlocked",
607
                       env->dtlb_tag[i] & (uint64_t)0x1fffULL);
608
            }
609
        }
610
    }
611
    if ((env->lsu & IMMU_E) == 0) {
612
        printf("IMMU disabled\n");
613
    } else {
614
        printf("IMMU dump:\n");
615
        for (i = 0; i < 64; i++) {
616
            switch ((env->itlb_tte[i] >> 61) & 3) {
617
            default:
618
            case 0x0:
619
                mask = "  8k";
620
                break;
621
            case 0x1:
622
                mask = " 64k";
623
                break;
624
            case 0x2:
625
                mask = "512k";
626
                break;
627
            case 0x3:
628
                mask = "  4M";
629
                break;
630
            }
631
            if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) {
632
                printf("[%02u] VA: " PRIx64 ", PA: " PRIx64
633
                       ", %s, %s, %s, ctx %" PRId64 "\n",
634
                       i,
635
                       env->itlb[i].tag & (uint64_t)~0x1fffULL,
636
                       env->itlb_tte[i] & (uint64_t)0x1ffffffe000ULL,
637
                       mask,
638
                       env->itlb_tte[i] & 0x4? "priv": "user",
639
                       env->itlb_tte[i] & 0x40? "locked": "unlocked",
640
                       env->itlb[i].tag & (uint64_t)0x1fffULL);
641
            }
642
        }
643
    }
644
}
645
#endif /* DEBUG_MMU */
646

    
647
#endif /* TARGET_SPARC64 */
648
#endif /* !CONFIG_USER_ONLY */
649

    
650

    
651
#if defined(CONFIG_USER_ONLY)
652
a_target_phys_addr cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
653
{
654
    return addr;
655
}
656

    
657
#else
658
a_target_phys_addr cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
659
{
660
    a_target_phys_addr phys_addr;
661
    int prot, access_index;
662

    
663
    if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2,
664
                             MMU_KERNEL_IDX) != 0)
665
        if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
666
                                 0, MMU_KERNEL_IDX) != 0)
667
            return -1;
668
    if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
669
        return -1;
670
    return phys_addr;
671
}
672
#endif
673

    
674
void cpu_reset(CPUSPARCState *env)
675
{
676
    if (qemu_loglevel_mask(CPU_LOG_RESET)) {
677
        qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
678
        log_cpu_state(env, 0);
679
    }
680

    
681
    tlb_flush(env, 1);
682
    env->cwp = 0;
683
#ifndef TARGET_SPARC64
684
    env->wim = 1;
685
#endif
686
    env->regwptr = env->regbase + (env->cwp * 16);
687
    CC_OP = CC_OP_FLAGS;
688
#if defined(CONFIG_USER_ONLY)
689
#ifdef TARGET_SPARC64
690
    env->cleanwin = env->nwindows - 2;
691
    env->cansave = env->nwindows - 2;
692
    env->pstate = PS_RMO | PS_PEF | PS_IE;
693
    env->asi = 0x82; // Primary no-fault
694
#endif
695
#else
696
#if !defined(TARGET_SPARC64)
697
    env->psret = 0;
698
#endif
699
    env->psrs = 1;
700
    env->psrps = 1;
701
#ifdef TARGET_SPARC64
702
    env->pstate = PS_PRIV|PS_RED|PS_PEF|PS_AG;
703
    env->hpstate = HS_PRIV;
704
    env->tl = env->maxtl;
705
    cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
706
    env->lsu = 0;
707
#else
708
    env->mmuregs[0] &= ~(MMU_E | MMU_NF);
709
    env->mmuregs[0] |= env->def->mmu_bm;
710
#endif
711
    env->pc = 0;
712
    env->npc = env->pc + 4;
713
#endif
714
}
715

    
716
static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
717
{
718
    sparc_def_t def1, *def = &def1;
719

    
720
    if (cpu_sparc_find_by_name(def, cpu_model) < 0)
721
        return -1;
722

    
723
    env->def = qemu_mallocz(sizeof(*def));
724
    memcpy(env->def, def, sizeof(*def));
725
#if defined(CONFIG_USER_ONLY)
726
    if ((env->def->features & CPU_FEATURE_FLOAT))
727
        env->def->features |= CPU_FEATURE_FLOAT128;
728
#endif
729
    env->cpu_model_str = cpu_model;
730
    env->version = def->iu_version;
731
    env->fsr = def->fpu_version;
732
    env->nwindows = def->nwindows;
733
#if !defined(TARGET_SPARC64)
734
    env->mmuregs[0] |= def->mmu_version;
735
    cpu_sparc_set_id(env, 0);
736
    env->mxccregs[7] |= def->mxcc_version;
737
#else
738
    env->mmu_version = def->mmu_version;
739
    env->maxtl = def->maxtl;
740
    env->version |= def->maxtl << 8;
741
    env->version |= def->nwindows - 1;
742
#endif
743
    return 0;
744
}
745

    
746
static void cpu_sparc_close(CPUSPARCState *env)
747
{
748
    free(env->def);
749
    free(env);
750
}
751

    
752
CPUSPARCState *cpu_sparc_init(const char *cpu_model)
753
{
754
    CPUSPARCState *env;
755

    
756
    env = qemu_mallocz(sizeof(CPUSPARCState));
757
    cpu_exec_init(env);
758

    
759
    gen_intermediate_code_init(env);
760

    
761
    if (cpu_sparc_register(env, cpu_model) < 0) {
762
        cpu_sparc_close(env);
763
        return NULL;
764
    }
765
    cpu_reset(env);
766
    qemu_init_vcpu(env);
767

    
768
    return env;
769
}
770

    
771
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
772
{
773
#if !defined(TARGET_SPARC64)
774
    env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
775
#endif
776
}
777

    
778
static const sparc_def_t sparc_defs[] = {
779
#ifdef TARGET_SPARC64
780
    {
781
        .name = "Fujitsu Sparc64",
782
        .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
783
        .fpu_version = 0x00000000,
784
        .mmu_version = mmu_us_12,
785
        .nwindows = 4,
786
        .maxtl = 4,
787
        .features = CPU_DEFAULT_FEATURES,
788
    },
789
    {
790
        .name = "Fujitsu Sparc64 III",
791
        .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
792
        .fpu_version = 0x00000000,
793
        .mmu_version = mmu_us_12,
794
        .nwindows = 5,
795
        .maxtl = 4,
796
        .features = CPU_DEFAULT_FEATURES,
797
    },
798
    {
799
        .name = "Fujitsu Sparc64 IV",
800
        .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
801
        .fpu_version = 0x00000000,
802
        .mmu_version = mmu_us_12,
803
        .nwindows = 8,
804
        .maxtl = 5,
805
        .features = CPU_DEFAULT_FEATURES,
806
    },
807
    {
808
        .name = "Fujitsu Sparc64 V",
809
        .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
810
        .fpu_version = 0x00000000,
811
        .mmu_version = mmu_us_12,
812
        .nwindows = 8,
813
        .maxtl = 5,
814
        .features = CPU_DEFAULT_FEATURES,
815
    },
816
    {
817
        .name = "TI UltraSparc I",
818
        .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
819
        .fpu_version = 0x00000000,
820
        .mmu_version = mmu_us_12,
821
        .nwindows = 8,
822
        .maxtl = 5,
823
        .features = CPU_DEFAULT_FEATURES,
824
    },
825
    {
826
        .name = "TI UltraSparc II",
827
        .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
828
        .fpu_version = 0x00000000,
829
        .mmu_version = mmu_us_12,
830
        .nwindows = 8,
831
        .maxtl = 5,
832
        .features = CPU_DEFAULT_FEATURES,
833
    },
834
    {
835
        .name = "TI UltraSparc IIi",
836
        .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
837
        .fpu_version = 0x00000000,
838
        .mmu_version = mmu_us_12,
839
        .nwindows = 8,
840
        .maxtl = 5,
841
        .features = CPU_DEFAULT_FEATURES,
842
    },
843
    {
844
        .name = "TI UltraSparc IIe",
845
        .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
846
        .fpu_version = 0x00000000,
847
        .mmu_version = mmu_us_12,
848
        .nwindows = 8,
849
        .maxtl = 5,
850
        .features = CPU_DEFAULT_FEATURES,
851
    },
852
    {
853
        .name = "Sun UltraSparc III",
854
        .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
855
        .fpu_version = 0x00000000,
856
        .mmu_version = mmu_us_12,
857
        .nwindows = 8,
858
        .maxtl = 5,
859
        .features = CPU_DEFAULT_FEATURES,
860
    },
861
    {
862
        .name = "Sun UltraSparc III Cu",
863
        .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
864
        .fpu_version = 0x00000000,
865
        .mmu_version = mmu_us_3,
866
        .nwindows = 8,
867
        .maxtl = 5,
868
        .features = CPU_DEFAULT_FEATURES,
869
    },
870
    {
871
        .name = "Sun UltraSparc IIIi",
872
        .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
873
        .fpu_version = 0x00000000,
874
        .mmu_version = mmu_us_12,
875
        .nwindows = 8,
876
        .maxtl = 5,
877
        .features = CPU_DEFAULT_FEATURES,
878
    },
879
    {
880
        .name = "Sun UltraSparc IV",
881
        .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
882
        .fpu_version = 0x00000000,
883
        .mmu_version = mmu_us_4,
884
        .nwindows = 8,
885
        .maxtl = 5,
886
        .features = CPU_DEFAULT_FEATURES,
887
    },
888
    {
889
        .name = "Sun UltraSparc IV+",
890
        .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
891
        .fpu_version = 0x00000000,
892
        .mmu_version = mmu_us_12,
893
        .nwindows = 8,
894
        .maxtl = 5,
895
        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
896
    },
897
    {
898
        .name = "Sun UltraSparc IIIi+",
899
        .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
900
        .fpu_version = 0x00000000,
901
        .mmu_version = mmu_us_3,
902
        .nwindows = 8,
903
        .maxtl = 5,
904
        .features = CPU_DEFAULT_FEATURES,
905
    },
906
    {
907
        .name = "Sun UltraSparc T1",
908
        // defined in sparc_ifu_fdp.v and ctu.h
909
        .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
910
        .fpu_version = 0x00000000,
911
        .mmu_version = mmu_sun4v,
912
        .nwindows = 8,
913
        .maxtl = 6,
914
        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
915
        | CPU_FEATURE_GL,
916
    },
917
    {
918
        .name = "Sun UltraSparc T2",
919
        // defined in tlu_asi_ctl.v and n2_revid_cust.v
920
        .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
921
        .fpu_version = 0x00000000,
922
        .mmu_version = mmu_sun4v,
923
        .nwindows = 8,
924
        .maxtl = 6,
925
        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
926
        | CPU_FEATURE_GL,
927
    },
928
    {
929
        .name = "NEC UltraSparc I",
930
        .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
931
        .fpu_version = 0x00000000,
932
        .mmu_version = mmu_us_12,
933
        .nwindows = 8,
934
        .maxtl = 5,
935
        .features = CPU_DEFAULT_FEATURES,
936
    },
937
#else
938
    {
939
        .name = "Fujitsu MB86900",
940
        .iu_version = 0x00 << 24, /* Impl 0, ver 0 */
941
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
942
        .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */
943
        .mmu_bm = 0x00004000,
944
        .mmu_ctpr_mask = 0x007ffff0,
945
        .mmu_cxr_mask = 0x0000003f,
946
        .mmu_sfsr_mask = 0xffffffff,
947
        .mmu_trcr_mask = 0xffffffff,
948
        .nwindows = 7,
949
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD,
950
    },
951
    {
952
        .name = "Fujitsu MB86904",
953
        .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
954
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
955
        .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
956
        .mmu_bm = 0x00004000,
957
        .mmu_ctpr_mask = 0x00ffffc0,
958
        .mmu_cxr_mask = 0x000000ff,
959
        .mmu_sfsr_mask = 0x00016fff,
960
        .mmu_trcr_mask = 0x00ffffff,
961
        .nwindows = 8,
962
        .features = CPU_DEFAULT_FEATURES,
963
    },
964
    {
965
        .name = "Fujitsu MB86907",
966
        .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
967
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
968
        .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
969
        .mmu_bm = 0x00004000,
970
        .mmu_ctpr_mask = 0xffffffc0,
971
        .mmu_cxr_mask = 0x000000ff,
972
        .mmu_sfsr_mask = 0x00016fff,
973
        .mmu_trcr_mask = 0xffffffff,
974
        .nwindows = 8,
975
        .features = CPU_DEFAULT_FEATURES,
976
    },
977
    {
978
        .name = "LSI L64811",
979
        .iu_version = 0x10 << 24, /* Impl 1, ver 0 */
980
        .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */
981
        .mmu_version = 0x10 << 24,
982
        .mmu_bm = 0x00004000,
983
        .mmu_ctpr_mask = 0x007ffff0,
984
        .mmu_cxr_mask = 0x0000003f,
985
        .mmu_sfsr_mask = 0xffffffff,
986
        .mmu_trcr_mask = 0xffffffff,
987
        .nwindows = 8,
988
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
989
        CPU_FEATURE_FSMULD,
990
    },
991
    {
992
        .name = "Cypress CY7C601",
993
        .iu_version = 0x11 << 24, /* Impl 1, ver 1 */
994
        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
995
        .mmu_version = 0x10 << 24,
996
        .mmu_bm = 0x00004000,
997
        .mmu_ctpr_mask = 0x007ffff0,
998
        .mmu_cxr_mask = 0x0000003f,
999
        .mmu_sfsr_mask = 0xffffffff,
1000
        .mmu_trcr_mask = 0xffffffff,
1001
        .nwindows = 8,
1002
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1003
        CPU_FEATURE_FSMULD,
1004
    },
1005
    {
1006
        .name = "Cypress CY7C611",
1007
        .iu_version = 0x13 << 24, /* Impl 1, ver 3 */
1008
        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
1009
        .mmu_version = 0x10 << 24,
1010
        .mmu_bm = 0x00004000,
1011
        .mmu_ctpr_mask = 0x007ffff0,
1012
        .mmu_cxr_mask = 0x0000003f,
1013
        .mmu_sfsr_mask = 0xffffffff,
1014
        .mmu_trcr_mask = 0xffffffff,
1015
        .nwindows = 8,
1016
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1017
        CPU_FEATURE_FSMULD,
1018
    },
1019
    {
1020
        .name = "TI MicroSparc I",
1021
        .iu_version = 0x41000000,
1022
        .fpu_version = 4 << 17,
1023
        .mmu_version = 0x41000000,
1024
        .mmu_bm = 0x00004000,
1025
        .mmu_ctpr_mask = 0x007ffff0,
1026
        .mmu_cxr_mask = 0x0000003f,
1027
        .mmu_sfsr_mask = 0x00016fff,
1028
        .mmu_trcr_mask = 0x0000003f,
1029
        .nwindows = 7,
1030
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
1031
        CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
1032
        CPU_FEATURE_FMUL,
1033
    },
1034
    {
1035
        .name = "TI MicroSparc II",
1036
        .iu_version = 0x42000000,
1037
        .fpu_version = 4 << 17,
1038
        .mmu_version = 0x02000000,
1039
        .mmu_bm = 0x00004000,
1040
        .mmu_ctpr_mask = 0x00ffffc0,
1041
        .mmu_cxr_mask = 0x000000ff,
1042
        .mmu_sfsr_mask = 0x00016fff,
1043
        .mmu_trcr_mask = 0x00ffffff,
1044
        .nwindows = 8,
1045
        .features = CPU_DEFAULT_FEATURES,
1046
    },
1047
    {
1048
        .name = "TI MicroSparc IIep",
1049
        .iu_version = 0x42000000,
1050
        .fpu_version = 4 << 17,
1051
        .mmu_version = 0x04000000,
1052
        .mmu_bm = 0x00004000,
1053
        .mmu_ctpr_mask = 0x00ffffc0,
1054
        .mmu_cxr_mask = 0x000000ff,
1055
        .mmu_sfsr_mask = 0x00016bff,
1056
        .mmu_trcr_mask = 0x00ffffff,
1057
        .nwindows = 8,
1058
        .features = CPU_DEFAULT_FEATURES,
1059
    },
1060
    {
1061
        .name = "TI SuperSparc 40", // STP1020NPGA
1062
        .iu_version = 0x41000000, // SuperSPARC 2.x
1063
        .fpu_version = 0 << 17,
1064
        .mmu_version = 0x00000800, // SuperSPARC 2.x, no MXCC
1065
        .mmu_bm = 0x00002000,
1066
        .mmu_ctpr_mask = 0xffffffc0,
1067
        .mmu_cxr_mask = 0x0000ffff,
1068
        .mmu_sfsr_mask = 0xffffffff,
1069
        .mmu_trcr_mask = 0xffffffff,
1070
        .nwindows = 8,
1071
        .features = CPU_DEFAULT_FEATURES,
1072
    },
1073
    {
1074
        .name = "TI SuperSparc 50", // STP1020PGA
1075
        .iu_version = 0x40000000, // SuperSPARC 3.x
1076
        .fpu_version = 0 << 17,
1077
        .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC
1078
        .mmu_bm = 0x00002000,
1079
        .mmu_ctpr_mask = 0xffffffc0,
1080
        .mmu_cxr_mask = 0x0000ffff,
1081
        .mmu_sfsr_mask = 0xffffffff,
1082
        .mmu_trcr_mask = 0xffffffff,
1083
        .nwindows = 8,
1084
        .features = CPU_DEFAULT_FEATURES,
1085
    },
1086
    {
1087
        .name = "TI SuperSparc 51",
1088
        .iu_version = 0x40000000, // SuperSPARC 3.x
1089
        .fpu_version = 0 << 17,
1090
        .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC
1091
        .mmu_bm = 0x00002000,
1092
        .mmu_ctpr_mask = 0xffffffc0,
1093
        .mmu_cxr_mask = 0x0000ffff,
1094
        .mmu_sfsr_mask = 0xffffffff,
1095
        .mmu_trcr_mask = 0xffffffff,
1096
        .mxcc_version = 0x00000104,
1097
        .nwindows = 8,
1098
        .features = CPU_DEFAULT_FEATURES,
1099
    },
1100
    {
1101
        .name = "TI SuperSparc 60", // STP1020APGA
1102
        .iu_version = 0x40000000, // SuperSPARC 3.x
1103
        .fpu_version = 0 << 17,
1104
        .mmu_version = 0x01000800, // SuperSPARC 3.x, no MXCC
1105
        .mmu_bm = 0x00002000,
1106
        .mmu_ctpr_mask = 0xffffffc0,
1107
        .mmu_cxr_mask = 0x0000ffff,
1108
        .mmu_sfsr_mask = 0xffffffff,
1109
        .mmu_trcr_mask = 0xffffffff,
1110
        .nwindows = 8,
1111
        .features = CPU_DEFAULT_FEATURES,
1112
    },
1113
    {
1114
        .name = "TI SuperSparc 61",
1115
        .iu_version = 0x44000000, // SuperSPARC 3.x
1116
        .fpu_version = 0 << 17,
1117
        .mmu_version = 0x01000000, // SuperSPARC 3.x, MXCC
1118
        .mmu_bm = 0x00002000,
1119
        .mmu_ctpr_mask = 0xffffffc0,
1120
        .mmu_cxr_mask = 0x0000ffff,
1121
        .mmu_sfsr_mask = 0xffffffff,
1122
        .mmu_trcr_mask = 0xffffffff,
1123
        .mxcc_version = 0x00000104,
1124
        .nwindows = 8,
1125
        .features = CPU_DEFAULT_FEATURES,
1126
    },
1127
    {
1128
        .name = "TI SuperSparc II",
1129
        .iu_version = 0x40000000, // SuperSPARC II 1.x
1130
        .fpu_version = 0 << 17,
1131
        .mmu_version = 0x08000000, // SuperSPARC II 1.x, MXCC
1132
        .mmu_bm = 0x00002000,
1133
        .mmu_ctpr_mask = 0xffffffc0,
1134
        .mmu_cxr_mask = 0x0000ffff,
1135
        .mmu_sfsr_mask = 0xffffffff,
1136
        .mmu_trcr_mask = 0xffffffff,
1137
        .mxcc_version = 0x00000104,
1138
        .nwindows = 8,
1139
        .features = CPU_DEFAULT_FEATURES,
1140
    },
1141
    {
1142
        .name = "Ross RT625",
1143
        .iu_version = 0x1e000000,
1144
        .fpu_version = 1 << 17,
1145
        .mmu_version = 0x1e000000,
1146
        .mmu_bm = 0x00004000,
1147
        .mmu_ctpr_mask = 0x007ffff0,
1148
        .mmu_cxr_mask = 0x0000003f,
1149
        .mmu_sfsr_mask = 0xffffffff,
1150
        .mmu_trcr_mask = 0xffffffff,
1151
        .nwindows = 8,
1152
        .features = CPU_DEFAULT_FEATURES,
1153
    },
1154
    {
1155
        .name = "Ross RT620",
1156
        .iu_version = 0x1f000000,
1157
        .fpu_version = 1 << 17,
1158
        .mmu_version = 0x1f000000,
1159
        .mmu_bm = 0x00004000,
1160
        .mmu_ctpr_mask = 0x007ffff0,
1161
        .mmu_cxr_mask = 0x0000003f,
1162
        .mmu_sfsr_mask = 0xffffffff,
1163
        .mmu_trcr_mask = 0xffffffff,
1164
        .nwindows = 8,
1165
        .features = CPU_DEFAULT_FEATURES,
1166
    },
1167
    {
1168
        .name = "BIT B5010",
1169
        .iu_version = 0x20000000,
1170
        .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */
1171
        .mmu_version = 0x20000000,
1172
        .mmu_bm = 0x00004000,
1173
        .mmu_ctpr_mask = 0x007ffff0,
1174
        .mmu_cxr_mask = 0x0000003f,
1175
        .mmu_sfsr_mask = 0xffffffff,
1176
        .mmu_trcr_mask = 0xffffffff,
1177
        .nwindows = 8,
1178
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1179
        CPU_FEATURE_FSMULD,
1180
    },
1181
    {
1182
        .name = "Matsushita MN10501",
1183
        .iu_version = 0x50000000,
1184
        .fpu_version = 0 << 17,
1185
        .mmu_version = 0x50000000,
1186
        .mmu_bm = 0x00004000,
1187
        .mmu_ctpr_mask = 0x007ffff0,
1188
        .mmu_cxr_mask = 0x0000003f,
1189
        .mmu_sfsr_mask = 0xffffffff,
1190
        .mmu_trcr_mask = 0xffffffff,
1191
        .nwindows = 8,
1192
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT |
1193
        CPU_FEATURE_FSMULD,
1194
    },
1195
    {
1196
        .name = "Weitek W8601",
1197
        .iu_version = 0x90 << 24, /* Impl 9, ver 0 */
1198
        .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */
1199
        .mmu_version = 0x10 << 24,
1200
        .mmu_bm = 0x00004000,
1201
        .mmu_ctpr_mask = 0x007ffff0,
1202
        .mmu_cxr_mask = 0x0000003f,
1203
        .mmu_sfsr_mask = 0xffffffff,
1204
        .mmu_trcr_mask = 0xffffffff,
1205
        .nwindows = 8,
1206
        .features = CPU_DEFAULT_FEATURES,
1207
    },
1208
    {
1209
        .name = "LEON2",
1210
        .iu_version = 0xf2000000,
1211
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1212
        .mmu_version = 0xf2000000,
1213
        .mmu_bm = 0x00004000,
1214
        .mmu_ctpr_mask = 0x007ffff0,
1215
        .mmu_cxr_mask = 0x0000003f,
1216
        .mmu_sfsr_mask = 0xffffffff,
1217
        .mmu_trcr_mask = 0xffffffff,
1218
        .nwindows = 8,
1219
        .features = CPU_DEFAULT_FEATURES,
1220
    },
1221
    {
1222
        .name = "LEON3",
1223
        .iu_version = 0xf3000000,
1224
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1225
        .mmu_version = 0xf3000000,
1226
        .mmu_bm = 0x00004000,
1227
        .mmu_ctpr_mask = 0x007ffff0,
1228
        .mmu_cxr_mask = 0x0000003f,
1229
        .mmu_sfsr_mask = 0xffffffff,
1230
        .mmu_trcr_mask = 0xffffffff,
1231
        .nwindows = 8,
1232
        .features = CPU_DEFAULT_FEATURES,
1233
    },
1234
#endif
1235
};
1236

    
1237
static const char * const feature_name[] = {
1238
    "float",
1239
    "float128",
1240
    "swap",
1241
    "mul",
1242
    "div",
1243
    "flush",
1244
    "fsqrt",
1245
    "fmul",
1246
    "vis1",
1247
    "vis2",
1248
    "fsmuld",
1249
    "hypv",
1250
    "cmt",
1251
    "gl",
1252
};
1253

    
1254
static void print_features(FILE *f,
1255
                           int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1256
                           uint32_t features, const char *prefix)
1257
{
1258
    unsigned int i;
1259

    
1260
    for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1261
        if (feature_name[i] && (features & (1 << i))) {
1262
            if (prefix)
1263
                (*cpu_fprintf)(f, "%s", prefix);
1264
            (*cpu_fprintf)(f, "%s ", feature_name[i]);
1265
        }
1266
}
1267

    
1268
static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
1269
{
1270
    unsigned int i;
1271

    
1272
    for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1273
        if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
1274
            *features |= 1 << i;
1275
            return;
1276
        }
1277
    fprintf(stderr, "CPU feature %s not found\n", flagname);
1278
}
1279

    
1280
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
1281
{
1282
    unsigned int i;
1283
    const sparc_def_t *def = NULL;
1284
    char *s = strdup(cpu_model);
1285
    char *featurestr, *name = strtok(s, ",");
1286
    uint32_t plus_features = 0;
1287
    uint32_t minus_features = 0;
1288
    long long iu_version;
1289
    uint32_t fpu_version, mmu_version, nwindows;
1290

    
1291
    for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
1292
        if (strcasecmp(name, sparc_defs[i].name) == 0) {
1293
            def = &sparc_defs[i];
1294
        }
1295
    }
1296
    if (!def)
1297
        goto error;
1298
    memcpy(cpu_def, def, sizeof(*def));
1299

    
1300
    featurestr = strtok(NULL, ",");
1301
    while (featurestr) {
1302
        char *val;
1303

    
1304
        if (featurestr[0] == '+') {
1305
            add_flagname_to_bitmaps(featurestr + 1, &plus_features);
1306
        } else if (featurestr[0] == '-') {
1307
            add_flagname_to_bitmaps(featurestr + 1, &minus_features);
1308
        } else if ((val = strchr(featurestr, '='))) {
1309
            *val = 0; val++;
1310
            if (!strcmp(featurestr, "iu_version")) {
1311
                char *err;
1312

    
1313
                iu_version = strtoll(val, &err, 0);
1314
                if (!*val || *err) {
1315
                    fprintf(stderr, "bad numerical value %s\n", val);
1316
                    goto error;
1317
                }
1318
                cpu_def->iu_version = iu_version;
1319
#ifdef DEBUG_FEATURES
1320
                fprintf(stderr, "iu_version %llx\n", iu_version);
1321
#endif
1322
            } else if (!strcmp(featurestr, "fpu_version")) {
1323
                char *err;
1324

    
1325
                fpu_version = strtol(val, &err, 0);
1326
                if (!*val || *err) {
1327
                    fprintf(stderr, "bad numerical value %s\n", val);
1328
                    goto error;
1329
                }
1330
                cpu_def->fpu_version = fpu_version;
1331
#ifdef DEBUG_FEATURES
1332
                fprintf(stderr, "fpu_version %x\n", fpu_version);
1333
#endif
1334
            } else if (!strcmp(featurestr, "mmu_version")) {
1335
                char *err;
1336

    
1337
                mmu_version = strtol(val, &err, 0);
1338
                if (!*val || *err) {
1339
                    fprintf(stderr, "bad numerical value %s\n", val);
1340
                    goto error;
1341
                }
1342
                cpu_def->mmu_version = mmu_version;
1343
#ifdef DEBUG_FEATURES
1344
                fprintf(stderr, "mmu_version %x\n", mmu_version);
1345
#endif
1346
            } else if (!strcmp(featurestr, "nwindows")) {
1347
                char *err;
1348

    
1349
                nwindows = strtol(val, &err, 0);
1350
                if (!*val || *err || nwindows > MAX_NWINDOWS ||
1351
                    nwindows < MIN_NWINDOWS) {
1352
                    fprintf(stderr, "bad numerical value %s\n", val);
1353
                    goto error;
1354
                }
1355
                cpu_def->nwindows = nwindows;
1356
#ifdef DEBUG_FEATURES
1357
                fprintf(stderr, "nwindows %d\n", nwindows);
1358
#endif
1359
            } else {
1360
                fprintf(stderr, "unrecognized feature %s\n", featurestr);
1361
                goto error;
1362
            }
1363
        } else {
1364
            fprintf(stderr, "feature string `%s' not in format "
1365
                    "(+feature|-feature|feature=xyz)\n", featurestr);
1366
            goto error;
1367
        }
1368
        featurestr = strtok(NULL, ",");
1369
    }
1370
    cpu_def->features |= plus_features;
1371
    cpu_def->features &= ~minus_features;
1372
#ifdef DEBUG_FEATURES
1373
    print_features(stderr, fprintf, cpu_def->features, NULL);
1374
#endif
1375
    free(s);
1376
    return 0;
1377

    
1378
 error:
1379
    free(s);
1380
    return -1;
1381
}
1382

    
1383
void sparc_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
1384
{
1385
    unsigned int i;
1386

    
1387
    for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
1388
        (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ",
1389
                       sparc_defs[i].name,
1390
                       sparc_defs[i].iu_version,
1391
                       sparc_defs[i].fpu_version,
1392
                       sparc_defs[i].mmu_version,
1393
                       sparc_defs[i].nwindows);
1394
        print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
1395
                       ~sparc_defs[i].features, "-");
1396
        print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
1397
                       sparc_defs[i].features, "+");
1398
        (*cpu_fprintf)(f, "\n");
1399
    }
1400
    (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
1401
    print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
1402
    (*cpu_fprintf)(f, "\n");
1403
    (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
1404
    print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
1405
    (*cpu_fprintf)(f, "\n");
1406
    (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
1407
                   "fpu_version mmu_version nwindows\n");
1408
}
1409

    
1410
void cpu_dump_state(CPUState *env, FILE *f,
1411
                    int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1412
                    int flags)
1413
{
1414
    int i, x;
1415

    
1416
    cpu_fprintf(f, "pc: " TARGET_FMT_lx "  npc: " TARGET_FMT_lx "\n", env->pc,
1417
                env->npc);
1418
    cpu_fprintf(f, "General Registers:\n");
1419
    for (i = 0; i < 4; i++)
1420
        cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
1421
    cpu_fprintf(f, "\n");
1422
    for (; i < 8; i++)
1423
        cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
1424
    cpu_fprintf(f, "\nCurrent Register Window:\n");
1425
    for (x = 0; x < 3; x++) {
1426
        for (i = 0; i < 4; i++)
1427
            cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
1428
                    (x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i,
1429
                    env->regwptr[i + x * 8]);
1430
        cpu_fprintf(f, "\n");
1431
        for (; i < 8; i++)
1432
            cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
1433
                    (x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i,
1434
                    env->regwptr[i + x * 8]);
1435
        cpu_fprintf(f, "\n");
1436
    }
1437
    cpu_fprintf(f, "\nFloating Point Registers:\n");
1438
    for (i = 0; i < 32; i++) {
1439
        if ((i & 3) == 0)
1440
            cpu_fprintf(f, "%%f%02d:", i);
1441
        cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]);
1442
        if ((i & 3) == 3)
1443
            cpu_fprintf(f, "\n");
1444
    }
1445
#ifdef TARGET_SPARC64
1446
    cpu_fprintf(f, "pstate: 0x%08x ccr: 0x%02x asi: 0x%02x tl: %d fprs: %d\n",
1447
                env->pstate, GET_CCR(env), env->asi, env->tl, env->fprs);
1448
    cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate %d "
1449
                "cleanwin %d cwp %d\n",
1450
                env->cansave, env->canrestore, env->otherwin, env->wstate,
1451
                env->cleanwin, env->nwindows - 1 - env->cwp);
1452
#else
1453

    
1454
#define GET_FLAG(a,b) ((env->psr & a)?b:'-')
1455

    
1456
    cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n",
1457
                GET_PSR(env), GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'),
1458
                GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'),
1459
                env->psrs?'S':'-', env->psrps?'P':'-',
1460
                env->psret?'E':'-', env->wim);
1461
#endif
1462
    cpu_fprintf(f, "fsr: 0x%08x\n", env->fsr);
1463
}