Statistics
| Branch: | Revision:

root / target-sparc / helper.c @ f2bc7e7f

History | View | Annotate | Download (48.5 kB)

1
/*
2
 *  sparc helpers
3
 *
4
 *  Copyright (c) 2003-2005 Fabrice Bellard
5
 *
6
 * This library is free software; you can redistribute it and/or
7
 * modify it under the terms of the GNU Lesser General Public
8
 * License as published by the Free Software Foundation; either
9
 * version 2 of the License, or (at your option) any later version.
10
 *
11
 * This library is distributed in the hope that it will be useful,
12
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14
 * Lesser General Public License for more details.
15
 *
16
 * You should have received a copy of the GNU Lesser General Public
17
 * License along with this library; if not, write to the Free Software
18
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19
 */
20
#include <stdarg.h>
21
#include <stdlib.h>
22
#include <stdio.h>
23
#include <string.h>
24
#include <inttypes.h>
25
#include <signal.h>
26
#include <assert.h>
27

    
28
#include "cpu.h"
29
#include "exec-all.h"
30
#include "qemu-common.h"
31
#include "helper.h"
32

    
33
//#define DEBUG_MMU
34
//#define DEBUG_FEATURES
35
//#define DEBUG_PCALL
36

    
37
typedef struct sparc_def_t sparc_def_t;
38

    
39
struct sparc_def_t {
40
    const char *name;
41
    target_ulong iu_version;
42
    uint32_t fpu_version;
43
    uint32_t mmu_version;
44
    uint32_t mmu_bm;
45
    uint32_t mmu_ctpr_mask;
46
    uint32_t mmu_cxr_mask;
47
    uint32_t mmu_sfsr_mask;
48
    uint32_t mmu_trcr_mask;
49
    uint32_t features;
50
};
51

    
52
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model);
53

    
54
/* Sparc MMU emulation */
55

    
56
/* thread support */
57

    
58
spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED;
59

    
60
void cpu_lock(void)
61
{
62
    spin_lock(&global_cpu_lock);
63
}
64

    
65
void cpu_unlock(void)
66
{
67
    spin_unlock(&global_cpu_lock);
68
}
69

    
70
#if defined(CONFIG_USER_ONLY)
71

    
72
int cpu_sparc_handle_mmu_fault(CPUState *env1, target_ulong address, int rw,
73
                               int mmu_idx, int is_softmmu)
74
{
75
    if (rw & 2)
76
        env1->exception_index = TT_TFAULT;
77
    else
78
        env1->exception_index = TT_DFAULT;
79
    return 1;
80
}
81

    
82
#else
83

    
84
#ifndef TARGET_SPARC64
85
/*
86
 * Sparc V8 Reference MMU (SRMMU)
87
 */
88
static const int access_table[8][8] = {
89
    { 0, 0, 0, 0, 2, 0, 3, 3 },
90
    { 0, 0, 0, 0, 2, 0, 0, 0 },
91
    { 2, 2, 0, 0, 0, 2, 3, 3 },
92
    { 2, 2, 0, 0, 0, 2, 0, 0 },
93
    { 2, 0, 2, 0, 2, 2, 3, 3 },
94
    { 2, 0, 2, 0, 2, 0, 2, 0 },
95
    { 2, 2, 2, 0, 2, 2, 3, 3 },
96
    { 2, 2, 2, 0, 2, 2, 2, 0 }
97
};
98

    
99
static const int perm_table[2][8] = {
100
    {
101
        PAGE_READ,
102
        PAGE_READ | PAGE_WRITE,
103
        PAGE_READ | PAGE_EXEC,
104
        PAGE_READ | PAGE_WRITE | PAGE_EXEC,
105
        PAGE_EXEC,
106
        PAGE_READ | PAGE_WRITE,
107
        PAGE_READ | PAGE_EXEC,
108
        PAGE_READ | PAGE_WRITE | PAGE_EXEC
109
    },
110
    {
111
        PAGE_READ,
112
        PAGE_READ | PAGE_WRITE,
113
        PAGE_READ | PAGE_EXEC,
114
        PAGE_READ | PAGE_WRITE | PAGE_EXEC,
115
        PAGE_EXEC,
116
        PAGE_READ,
117
        0,
118
        0,
119
    }
120
};
121

    
122
static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
123
                                int *prot, int *access_index,
124
                                target_ulong address, int rw, int mmu_idx)
125
{
126
    int access_perms = 0;
127
    target_phys_addr_t pde_ptr;
128
    uint32_t pde;
129
    target_ulong virt_addr;
130
    int error_code = 0, is_dirty, is_user;
131
    unsigned long page_offset;
132

    
133
    is_user = mmu_idx == MMU_USER_IDX;
134
    virt_addr = address & TARGET_PAGE_MASK;
135

    
136
    if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
137
        // Boot mode: instruction fetches are taken from PROM
138
        if (rw == 2 && (env->mmuregs[0] & env->mmu_bm)) {
139
            *physical = env->prom_addr | (address & 0x7ffffULL);
140
            *prot = PAGE_READ | PAGE_EXEC;
141
            return 0;
142
        }
143
        *physical = address;
144
        *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
145
        return 0;
146
    }
147

    
148
    *access_index = ((rw & 1) << 2) | (rw & 2) | (is_user? 0 : 1);
149
    *physical = 0xffffffffffff0000ULL;
150

    
151
    /* SPARC reference MMU table walk: Context table->L1->L2->PTE */
152
    /* Context base + context number */
153
    pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
154
    pde = ldl_phys(pde_ptr);
155

    
156
    /* Ctx pde */
157
    switch (pde & PTE_ENTRYTYPE_MASK) {
158
    default:
159
    case 0: /* Invalid */
160
        return 1 << 2;
161
    case 2: /* L0 PTE, maybe should not happen? */
162
    case 3: /* Reserved */
163
        return 4 << 2;
164
    case 1: /* L0 PDE */
165
        pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
166
        pde = ldl_phys(pde_ptr);
167

    
168
        switch (pde & PTE_ENTRYTYPE_MASK) {
169
        default:
170
        case 0: /* Invalid */
171
            return (1 << 8) | (1 << 2);
172
        case 3: /* Reserved */
173
            return (1 << 8) | (4 << 2);
174
        case 1: /* L1 PDE */
175
            pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
176
            pde = ldl_phys(pde_ptr);
177

    
178
            switch (pde & PTE_ENTRYTYPE_MASK) {
179
            default:
180
            case 0: /* Invalid */
181
                return (2 << 8) | (1 << 2);
182
            case 3: /* Reserved */
183
                return (2 << 8) | (4 << 2);
184
            case 1: /* L2 PDE */
185
                pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
186
                pde = ldl_phys(pde_ptr);
187

    
188
                switch (pde & PTE_ENTRYTYPE_MASK) {
189
                default:
190
                case 0: /* Invalid */
191
                    return (3 << 8) | (1 << 2);
192
                case 1: /* PDE, should not happen */
193
                case 3: /* Reserved */
194
                    return (3 << 8) | (4 << 2);
195
                case 2: /* L3 PTE */
196
                    virt_addr = address & TARGET_PAGE_MASK;
197
                    page_offset = (address & TARGET_PAGE_MASK) &
198
                        (TARGET_PAGE_SIZE - 1);
199
                }
200
                break;
201
            case 2: /* L2 PTE */
202
                virt_addr = address & ~0x3ffff;
203
                page_offset = address & 0x3ffff;
204
            }
205
            break;
206
        case 2: /* L1 PTE */
207
            virt_addr = address & ~0xffffff;
208
            page_offset = address & 0xffffff;
209
        }
210
    }
211

    
212
    /* update page modified and dirty bits */
213
    is_dirty = (rw & 1) && !(pde & PG_MODIFIED_MASK);
214
    if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
215
        pde |= PG_ACCESSED_MASK;
216
        if (is_dirty)
217
            pde |= PG_MODIFIED_MASK;
218
        stl_phys_notdirty(pde_ptr, pde);
219
    }
220
    /* check access */
221
    access_perms = (pde & PTE_ACCESS_MASK) >> PTE_ACCESS_SHIFT;
222
    error_code = access_table[*access_index][access_perms];
223
    if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user))
224
        return error_code;
225

    
226
    /* the page can be put in the TLB */
227
    *prot = perm_table[is_user][access_perms];
228
    if (!(pde & PG_MODIFIED_MASK)) {
229
        /* only set write access if already dirty... otherwise wait
230
           for dirty access */
231
        *prot &= ~PAGE_WRITE;
232
    }
233

    
234
    /* Even if large ptes, we map only one 4KB page in the cache to
235
       avoid filling it too fast */
236
    *physical = ((target_phys_addr_t)(pde & PTE_ADDR_MASK) << 4) + page_offset;
237
    return error_code;
238
}
239

    
240
/* Perform address translation */
241
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
242
                              int mmu_idx, int is_softmmu)
243
{
244
    target_phys_addr_t paddr;
245
    target_ulong vaddr;
246
    int error_code = 0, prot, ret = 0, access_index;
247

    
248
    error_code = get_physical_address(env, &paddr, &prot, &access_index,
249
                                      address, rw, mmu_idx);
250
    if (error_code == 0) {
251
        vaddr = address & TARGET_PAGE_MASK;
252
        paddr &= TARGET_PAGE_MASK;
253
#ifdef DEBUG_MMU
254
        printf("Translate at " TARGET_FMT_lx " -> " TARGET_FMT_plx ", vaddr "
255
               TARGET_FMT_lx "\n", address, paddr, vaddr);
256
#endif
257
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
258
        return ret;
259
    }
260

    
261
    if (env->mmuregs[3]) /* Fault status register */
262
        env->mmuregs[3] = 1; /* overflow (not read before another fault) */
263
    env->mmuregs[3] |= (access_index << 5) | error_code | 2;
264
    env->mmuregs[4] = address; /* Fault address register */
265

    
266
    if ((env->mmuregs[0] & MMU_NF) || env->psret == 0)  {
267
        // No fault mode: if a mapping is available, just override
268
        // permissions. If no mapping is available, redirect accesses to
269
        // neverland. Fake/overridden mappings will be flushed when
270
        // switching to normal mode.
271
        vaddr = address & TARGET_PAGE_MASK;
272
        prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
273
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
274
        return ret;
275
    } else {
276
        if (rw & 2)
277
            env->exception_index = TT_TFAULT;
278
        else
279
            env->exception_index = TT_DFAULT;
280
        return 1;
281
    }
282
}
283

    
284
target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev)
285
{
286
    target_phys_addr_t pde_ptr;
287
    uint32_t pde;
288

    
289
    /* Context base + context number */
290
    pde_ptr = (target_phys_addr_t)(env->mmuregs[1] << 4) +
291
        (env->mmuregs[2] << 2);
292
    pde = ldl_phys(pde_ptr);
293

    
294
    switch (pde & PTE_ENTRYTYPE_MASK) {
295
    default:
296
    case 0: /* Invalid */
297
    case 2: /* PTE, maybe should not happen? */
298
    case 3: /* Reserved */
299
        return 0;
300
    case 1: /* L1 PDE */
301
        if (mmulev == 3)
302
            return pde;
303
        pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
304
        pde = ldl_phys(pde_ptr);
305

    
306
        switch (pde & PTE_ENTRYTYPE_MASK) {
307
        default:
308
        case 0: /* Invalid */
309
        case 3: /* Reserved */
310
            return 0;
311
        case 2: /* L1 PTE */
312
            return pde;
313
        case 1: /* L2 PDE */
314
            if (mmulev == 2)
315
                return pde;
316
            pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
317
            pde = ldl_phys(pde_ptr);
318

    
319
            switch (pde & PTE_ENTRYTYPE_MASK) {
320
            default:
321
            case 0: /* Invalid */
322
            case 3: /* Reserved */
323
                return 0;
324
            case 2: /* L2 PTE */
325
                return pde;
326
            case 1: /* L3 PDE */
327
                if (mmulev == 1)
328
                    return pde;
329
                pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
330
                pde = ldl_phys(pde_ptr);
331

    
332
                switch (pde & PTE_ENTRYTYPE_MASK) {
333
                default:
334
                case 0: /* Invalid */
335
                case 1: /* PDE, should not happen */
336
                case 3: /* Reserved */
337
                    return 0;
338
                case 2: /* L3 PTE */
339
                    return pde;
340
                }
341
            }
342
        }
343
    }
344
    return 0;
345
}
346

    
347
#ifdef DEBUG_MMU
348
void dump_mmu(CPUState *env)
349
{
350
    target_ulong va, va1, va2;
351
    unsigned int n, m, o;
352
    target_phys_addr_t pde_ptr, pa;
353
    uint32_t pde;
354

    
355
    printf("MMU dump:\n");
356
    pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
357
    pde = ldl_phys(pde_ptr);
358
    printf("Root ptr: " TARGET_FMT_plx ", ctx: %d\n",
359
           (target_phys_addr_t)env->mmuregs[1] << 4, env->mmuregs[2]);
360
    for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) {
361
        pde = mmu_probe(env, va, 2);
362
        if (pde) {
363
            pa = cpu_get_phys_page_debug(env, va);
364
            printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
365
                   " PDE: " TARGET_FMT_lx "\n", va, pa, pde);
366
            for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) {
367
                pde = mmu_probe(env, va1, 1);
368
                if (pde) {
369
                    pa = cpu_get_phys_page_debug(env, va1);
370
                    printf(" VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
371
                           " PDE: " TARGET_FMT_lx "\n", va1, pa, pde);
372
                    for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) {
373
                        pde = mmu_probe(env, va2, 0);
374
                        if (pde) {
375
                            pa = cpu_get_phys_page_debug(env, va2);
376
                            printf("  VA: " TARGET_FMT_lx ", PA: "
377
                                   TARGET_FMT_plx " PTE: " TARGET_FMT_lx "\n",
378
                                   va2, pa, pde);
379
                        }
380
                    }
381
                }
382
            }
383
        }
384
    }
385
    printf("MMU dump ends\n");
386
}
387
#endif /* DEBUG_MMU */
388

    
389
#else /* !TARGET_SPARC64 */
390
/*
391
 * UltraSparc IIi I/DMMUs
392
 */
393
static int get_physical_address_data(CPUState *env,
394
                                     target_phys_addr_t *physical, int *prot,
395
                                     target_ulong address, int rw, int is_user)
396
{
397
    target_ulong mask;
398
    unsigned int i;
399

    
400
    if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */
401
        *physical = address;
402
        *prot = PAGE_READ | PAGE_WRITE;
403
        return 0;
404
    }
405

    
406
    for (i = 0; i < 64; i++) {
407
        switch ((env->dtlb_tte[i] >> 61) & 3) {
408
        default:
409
        case 0x0: // 8k
410
            mask = 0xffffffffffffe000ULL;
411
            break;
412
        case 0x1: // 64k
413
            mask = 0xffffffffffff0000ULL;
414
            break;
415
        case 0x2: // 512k
416
            mask = 0xfffffffffff80000ULL;
417
            break;
418
        case 0x3: // 4M
419
            mask = 0xffffffffffc00000ULL;
420
            break;
421
        }
422
        // ctx match, vaddr match?
423
        if (env->dmmuregs[1] == (env->dtlb_tag[i] & 0x1fff) &&
424
            (address & mask) == (env->dtlb_tag[i] & ~0x1fffULL)) {
425
            // valid, access ok?
426
            if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0 ||
427
                ((env->dtlb_tte[i] & 0x4) && is_user) ||
428
                (!(env->dtlb_tte[i] & 0x2) && (rw == 1))) {
429
                if (env->dmmuregs[3]) /* Fault status register */
430
                    env->dmmuregs[3] = 2; /* overflow (not read before
431
                                             another fault) */
432
                env->dmmuregs[3] |= (is_user << 3) | ((rw == 1) << 2) | 1;
433
                env->dmmuregs[4] = address; /* Fault address register */
434
                env->exception_index = TT_DFAULT;
435
#ifdef DEBUG_MMU
436
                printf("DFAULT at 0x%" PRIx64 "\n", address);
437
#endif
438
                return 1;
439
            }
440
            *physical = (env->dtlb_tte[i] & mask & 0x1fffffff000ULL) +
441
                (address & ~mask & 0x1fffffff000ULL);
442
            *prot = PAGE_READ;
443
            if (env->dtlb_tte[i] & 0x2)
444
                *prot |= PAGE_WRITE;
445
            return 0;
446
        }
447
    }
448
#ifdef DEBUG_MMU
449
    printf("DMISS at 0x%" PRIx64 "\n", address);
450
#endif
451
    env->exception_index = TT_DMISS;
452
    return 1;
453
}
454

    
455
static int get_physical_address_code(CPUState *env,
456
                                     target_phys_addr_t *physical, int *prot,
457
                                     target_ulong address, int is_user)
458
{
459
    target_ulong mask;
460
    unsigned int i;
461

    
462
    if ((env->lsu & IMMU_E) == 0) { /* IMMU disabled */
463
        *physical = address;
464
        *prot = PAGE_EXEC;
465
        return 0;
466
    }
467

    
468
    for (i = 0; i < 64; i++) {
469
        switch ((env->itlb_tte[i] >> 61) & 3) {
470
        default:
471
        case 0x0: // 8k
472
            mask = 0xffffffffffffe000ULL;
473
            break;
474
        case 0x1: // 64k
475
            mask = 0xffffffffffff0000ULL;
476
            break;
477
        case 0x2: // 512k
478
            mask = 0xfffffffffff80000ULL;
479
            break;
480
        case 0x3: // 4M
481
            mask = 0xffffffffffc00000ULL;
482
                break;
483
        }
484
        // ctx match, vaddr match?
485
        if (env->dmmuregs[1] == (env->itlb_tag[i] & 0x1fff) &&
486
            (address & mask) == (env->itlb_tag[i] & ~0x1fffULL)) {
487
            // valid, access ok?
488
            if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0 ||
489
                ((env->itlb_tte[i] & 0x4) && is_user)) {
490
                if (env->immuregs[3]) /* Fault status register */
491
                    env->immuregs[3] = 2; /* overflow (not read before
492
                                             another fault) */
493
                env->immuregs[3] |= (is_user << 3) | 1;
494
                env->exception_index = TT_TFAULT;
495
#ifdef DEBUG_MMU
496
                printf("TFAULT at 0x%" PRIx64 "\n", address);
497
#endif
498
                return 1;
499
            }
500
            *physical = (env->itlb_tte[i] & mask & 0x1fffffff000ULL) +
501
                (address & ~mask & 0x1fffffff000ULL);
502
            *prot = PAGE_EXEC;
503
            return 0;
504
        }
505
    }
506
#ifdef DEBUG_MMU
507
    printf("TMISS at 0x%" PRIx64 "\n", address);
508
#endif
509
    env->exception_index = TT_TMISS;
510
    return 1;
511
}
512

    
513
static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
514
                                int *prot, int *access_index,
515
                                target_ulong address, int rw, int mmu_idx)
516
{
517
    int is_user = mmu_idx == MMU_USER_IDX;
518

    
519
    if (rw == 2)
520
        return get_physical_address_code(env, physical, prot, address,
521
                                         is_user);
522
    else
523
        return get_physical_address_data(env, physical, prot, address, rw,
524
                                         is_user);
525
}
526

    
527
/* Perform address translation */
528
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
529
                              int mmu_idx, int is_softmmu)
530
{
531
    target_ulong virt_addr, vaddr;
532
    target_phys_addr_t paddr;
533
    int error_code = 0, prot, ret = 0, access_index;
534

    
535
    error_code = get_physical_address(env, &paddr, &prot, &access_index,
536
                                      address, rw, mmu_idx);
537
    if (error_code == 0) {
538
        virt_addr = address & TARGET_PAGE_MASK;
539
        vaddr = virt_addr + ((address & TARGET_PAGE_MASK) &
540
                             (TARGET_PAGE_SIZE - 1));
541
#ifdef DEBUG_MMU
542
        printf("Translate at 0x%" PRIx64 " -> 0x%" PRIx64 ", vaddr 0x%" PRIx64
543
               "\n", address, paddr, vaddr);
544
#endif
545
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
546
        return ret;
547
    }
548
    // XXX
549
    return 1;
550
}
551

    
552
#ifdef DEBUG_MMU
553
void dump_mmu(CPUState *env)
554
{
555
    unsigned int i;
556
    const char *mask;
557

    
558
    printf("MMU contexts: Primary: %" PRId64 ", Secondary: %" PRId64 "\n",
559
           env->dmmuregs[1], env->dmmuregs[2]);
560
    if ((env->lsu & DMMU_E) == 0) {
561
        printf("DMMU disabled\n");
562
    } else {
563
        printf("DMMU dump:\n");
564
        for (i = 0; i < 64; i++) {
565
            switch ((env->dtlb_tte[i] >> 61) & 3) {
566
            default:
567
            case 0x0:
568
                mask = "  8k";
569
                break;
570
            case 0x1:
571
                mask = " 64k";
572
                break;
573
            case 0x2:
574
                mask = "512k";
575
                break;
576
            case 0x3:
577
                mask = "  4M";
578
                break;
579
            }
580
            if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) {
581
                printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx
582
                       ", %s, %s, %s, %s, ctx %" PRId64 "\n",
583
                       env->dtlb_tag[i] & ~0x1fffULL,
584
                       env->dtlb_tte[i] & 0x1ffffffe000ULL,
585
                       mask,
586
                       env->dtlb_tte[i] & 0x4? "priv": "user",
587
                       env->dtlb_tte[i] & 0x2? "RW": "RO",
588
                       env->dtlb_tte[i] & 0x40? "locked": "unlocked",
589
                       env->dtlb_tag[i] & 0x1fffULL);
590
            }
591
        }
592
    }
593
    if ((env->lsu & IMMU_E) == 0) {
594
        printf("IMMU disabled\n");
595
    } else {
596
        printf("IMMU dump:\n");
597
        for (i = 0; i < 64; i++) {
598
            switch ((env->itlb_tte[i] >> 61) & 3) {
599
            default:
600
            case 0x0:
601
                mask = "  8k";
602
                break;
603
            case 0x1:
604
                mask = " 64k";
605
                break;
606
            case 0x2:
607
                mask = "512k";
608
                break;
609
            case 0x3:
610
                mask = "  4M";
611
                break;
612
            }
613
            if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) {
614
                printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx
615
                       ", %s, %s, %s, ctx %" PRId64 "\n",
616
                       env->itlb_tag[i] & ~0x1fffULL,
617
                       env->itlb_tte[i] & 0x1ffffffe000ULL,
618
                       mask,
619
                       env->itlb_tte[i] & 0x4? "priv": "user",
620
                       env->itlb_tte[i] & 0x40? "locked": "unlocked",
621
                       env->itlb_tag[i] & 0x1fffULL);
622
            }
623
        }
624
    }
625
}
626
#endif /* DEBUG_MMU */
627

    
628
#endif /* TARGET_SPARC64 */
629
#endif /* !CONFIG_USER_ONLY */
630

    
631

    
632
#if defined(CONFIG_USER_ONLY)
633
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
634
{
635
    return addr;
636
}
637

    
638
#else
639
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
640
{
641
    target_phys_addr_t phys_addr;
642
    int prot, access_index;
643

    
644
    if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2,
645
                             MMU_KERNEL_IDX) != 0)
646
        if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
647
                                 0, MMU_KERNEL_IDX) != 0)
648
            return -1;
649
    if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
650
        return -1;
651
    return phys_addr;
652
}
653
#endif
654

    
655
#ifdef TARGET_SPARC64
656
#ifdef DEBUG_PCALL
657
static const char * const excp_names[0x50] = {
658
    [TT_TFAULT] = "Instruction Access Fault",
659
    [TT_TMISS] = "Instruction Access MMU Miss",
660
    [TT_CODE_ACCESS] = "Instruction Access Error",
661
    [TT_ILL_INSN] = "Illegal Instruction",
662
    [TT_PRIV_INSN] = "Privileged Instruction",
663
    [TT_NFPU_INSN] = "FPU Disabled",
664
    [TT_FP_EXCP] = "FPU Exception",
665
    [TT_TOVF] = "Tag Overflow",
666
    [TT_CLRWIN] = "Clean Windows",
667
    [TT_DIV_ZERO] = "Division By Zero",
668
    [TT_DFAULT] = "Data Access Fault",
669
    [TT_DMISS] = "Data Access MMU Miss",
670
    [TT_DATA_ACCESS] = "Data Access Error",
671
    [TT_DPROT] = "Data Protection Error",
672
    [TT_UNALIGNED] = "Unaligned Memory Access",
673
    [TT_PRIV_ACT] = "Privileged Action",
674
    [TT_EXTINT | 0x1] = "External Interrupt 1",
675
    [TT_EXTINT | 0x2] = "External Interrupt 2",
676
    [TT_EXTINT | 0x3] = "External Interrupt 3",
677
    [TT_EXTINT | 0x4] = "External Interrupt 4",
678
    [TT_EXTINT | 0x5] = "External Interrupt 5",
679
    [TT_EXTINT | 0x6] = "External Interrupt 6",
680
    [TT_EXTINT | 0x7] = "External Interrupt 7",
681
    [TT_EXTINT | 0x8] = "External Interrupt 8",
682
    [TT_EXTINT | 0x9] = "External Interrupt 9",
683
    [TT_EXTINT | 0xa] = "External Interrupt 10",
684
    [TT_EXTINT | 0xb] = "External Interrupt 11",
685
    [TT_EXTINT | 0xc] = "External Interrupt 12",
686
    [TT_EXTINT | 0xd] = "External Interrupt 13",
687
    [TT_EXTINT | 0xe] = "External Interrupt 14",
688
    [TT_EXTINT | 0xf] = "External Interrupt 15",
689
};
690
#endif
691

    
692
void do_interrupt(CPUState *env)
693
{
694
    int intno = env->exception_index;
695

    
696
#ifdef DEBUG_PCALL
697
    if (loglevel & CPU_LOG_INT) {
698
        static int count;
699
        const char *name;
700

    
701
        if (intno < 0 || intno >= 0x180 || (intno > 0x4f && intno < 0x80))
702
            name = "Unknown";
703
        else if (intno >= 0x100)
704
            name = "Trap Instruction";
705
        else if (intno >= 0xc0)
706
            name = "Window Fill";
707
        else if (intno >= 0x80)
708
            name = "Window Spill";
709
        else {
710
            name = excp_names[intno];
711
            if (!name)
712
                name = "Unknown";
713
        }
714

    
715
        fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
716
                " SP=%016" PRIx64 "\n",
717
                count, name, intno,
718
                env->pc,
719
                env->npc, env->regwptr[6]);
720
        cpu_dump_state(env, logfile, fprintf, 0);
721
#if 0
722
        {
723
            int i;
724
            uint8_t *ptr;
725

726
            fprintf(logfile, "       code=");
727
            ptr = (uint8_t *)env->pc;
728
            for(i = 0; i < 16; i++) {
729
                fprintf(logfile, " %02x", ldub(ptr + i));
730
            }
731
            fprintf(logfile, "\n");
732
        }
733
#endif
734
        count++;
735
    }
736
#endif
737
#if !defined(CONFIG_USER_ONLY)
738
    if (env->tl == MAXTL) {
739
        cpu_abort(env, "Trap 0x%04x while trap level is MAXTL, Error state",
740
                  env->exception_index);
741
        return;
742
    }
743
#endif
744
    env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
745
        ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
746
        GET_CWP64(env);
747
    env->tsptr->tpc = env->pc;
748
    env->tsptr->tnpc = env->npc;
749
    env->tsptr->tt = intno;
750
    change_pstate(PS_PEF | PS_PRIV | PS_AG);
751

    
752
    if (intno == TT_CLRWIN)
753
        cpu_set_cwp(env, (env->cwp - 1) & (NWINDOWS - 1));
754
    else if ((intno & 0x1c0) == TT_SPILL)
755
        cpu_set_cwp(env, (env->cwp - env->cansave - 2) & (NWINDOWS - 1));
756
    else if ((intno & 0x1c0) == TT_FILL)
757
        cpu_set_cwp(env, (env->cwp + 1) & (NWINDOWS - 1));
758
    env->tbr &= ~0x7fffULL;
759
    env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
760
    if (env->tl < MAXTL - 1) {
761
        env->tl++;
762
    } else {
763
        env->pstate |= PS_RED;
764
        if (env->tl != MAXTL)
765
            env->tl++;
766
    }
767
    env->tsptr = &env->ts[env->tl];
768
    env->pc = env->tbr;
769
    env->npc = env->pc + 4;
770
    env->exception_index = 0;
771
}
772
#else
773
#ifdef DEBUG_PCALL
774
static const char * const excp_names[0x80] = {
775
    [TT_TFAULT] = "Instruction Access Fault",
776
    [TT_ILL_INSN] = "Illegal Instruction",
777
    [TT_PRIV_INSN] = "Privileged Instruction",
778
    [TT_NFPU_INSN] = "FPU Disabled",
779
    [TT_WIN_OVF] = "Window Overflow",
780
    [TT_WIN_UNF] = "Window Underflow",
781
    [TT_UNALIGNED] = "Unaligned Memory Access",
782
    [TT_FP_EXCP] = "FPU Exception",
783
    [TT_DFAULT] = "Data Access Fault",
784
    [TT_TOVF] = "Tag Overflow",
785
    [TT_EXTINT | 0x1] = "External Interrupt 1",
786
    [TT_EXTINT | 0x2] = "External Interrupt 2",
787
    [TT_EXTINT | 0x3] = "External Interrupt 3",
788
    [TT_EXTINT | 0x4] = "External Interrupt 4",
789
    [TT_EXTINT | 0x5] = "External Interrupt 5",
790
    [TT_EXTINT | 0x6] = "External Interrupt 6",
791
    [TT_EXTINT | 0x7] = "External Interrupt 7",
792
    [TT_EXTINT | 0x8] = "External Interrupt 8",
793
    [TT_EXTINT | 0x9] = "External Interrupt 9",
794
    [TT_EXTINT | 0xa] = "External Interrupt 10",
795
    [TT_EXTINT | 0xb] = "External Interrupt 11",
796
    [TT_EXTINT | 0xc] = "External Interrupt 12",
797
    [TT_EXTINT | 0xd] = "External Interrupt 13",
798
    [TT_EXTINT | 0xe] = "External Interrupt 14",
799
    [TT_EXTINT | 0xf] = "External Interrupt 15",
800
    [TT_TOVF] = "Tag Overflow",
801
    [TT_CODE_ACCESS] = "Instruction Access Error",
802
    [TT_DATA_ACCESS] = "Data Access Error",
803
    [TT_DIV_ZERO] = "Division By Zero",
804
    [TT_NCP_INSN] = "Coprocessor Disabled",
805
};
806
#endif
807

    
808
void do_interrupt(CPUState *env)
809
{
810
    int cwp, intno = env->exception_index;
811

    
812
#ifdef DEBUG_PCALL
813
    if (loglevel & CPU_LOG_INT) {
814
        static int count;
815
        const char *name;
816

    
817
        if (intno < 0 || intno >= 0x100)
818
            name = "Unknown";
819
        else if (intno >= 0x80)
820
            name = "Trap Instruction";
821
        else {
822
            name = excp_names[intno];
823
            if (!name)
824
                name = "Unknown";
825
        }
826

    
827
        fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
828
                count, name, intno,
829
                env->pc,
830
                env->npc, env->regwptr[6]);
831
        cpu_dump_state(env, logfile, fprintf, 0);
832
#if 0
833
        {
834
            int i;
835
            uint8_t *ptr;
836

837
            fprintf(logfile, "       code=");
838
            ptr = (uint8_t *)env->pc;
839
            for(i = 0; i < 16; i++) {
840
                fprintf(logfile, " %02x", ldub(ptr + i));
841
            }
842
            fprintf(logfile, "\n");
843
        }
844
#endif
845
        count++;
846
    }
847
#endif
848
#if !defined(CONFIG_USER_ONLY)
849
    if (env->psret == 0) {
850
        cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
851
                  env->exception_index);
852
        return;
853
    }
854
#endif
855
    env->psret = 0;
856
    cwp = (env->cwp - 1) & (NWINDOWS - 1);
857
    cpu_set_cwp(env, cwp);
858
    env->regwptr[9] = env->pc;
859
    env->regwptr[10] = env->npc;
860
    env->psrps = env->psrs;
861
    env->psrs = 1;
862
    env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
863
    env->pc = env->tbr;
864
    env->npc = env->pc + 4;
865
    env->exception_index = 0;
866
}
867
#endif
868

    
869
void memcpy32(target_ulong *dst, const target_ulong *src)
870
{
871
    dst[0] = src[0];
872
    dst[1] = src[1];
873
    dst[2] = src[2];
874
    dst[3] = src[3];
875
    dst[4] = src[4];
876
    dst[5] = src[5];
877
    dst[6] = src[6];
878
    dst[7] = src[7];
879
}
880

    
881
void cpu_reset(CPUSPARCState *env)
882
{
883
    tlb_flush(env, 1);
884
    env->cwp = 0;
885
    env->wim = 1;
886
    env->regwptr = env->regbase + (env->cwp * 16);
887
#if defined(CONFIG_USER_ONLY)
888
    env->user_mode_only = 1;
889
#ifdef TARGET_SPARC64
890
    env->cleanwin = NWINDOWS - 2;
891
    env->cansave = NWINDOWS - 2;
892
    env->pstate = PS_RMO | PS_PEF | PS_IE;
893
    env->asi = 0x82; // Primary no-fault
894
#endif
895
#else
896
    env->psret = 0;
897
    env->psrs = 1;
898
    env->psrps = 1;
899
#ifdef TARGET_SPARC64
900
    env->pstate = PS_PRIV;
901
    env->hpstate = HS_PRIV;
902
    env->pc = 0x1fff0000000ULL;
903
    env->tsptr = &env->ts[env->tl];
904
#else
905
    env->pc = 0;
906
    env->mmuregs[0] &= ~(MMU_E | MMU_NF);
907
    env->mmuregs[0] |= env->mmu_bm;
908
#endif
909
    env->npc = env->pc + 4;
910
#endif
911
}
912

    
913
static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
914
{
915
    sparc_def_t def1, *def = &def1;
916

    
917
    if (cpu_sparc_find_by_name(def, cpu_model) < 0)
918
        return -1;
919

    
920
    env->features = def->features;
921
    env->cpu_model_str = cpu_model;
922
    env->version = def->iu_version;
923
    env->fsr = def->fpu_version;
924
#if !defined(TARGET_SPARC64)
925
    env->mmu_bm = def->mmu_bm;
926
    env->mmu_ctpr_mask = def->mmu_ctpr_mask;
927
    env->mmu_cxr_mask = def->mmu_cxr_mask;
928
    env->mmu_sfsr_mask = def->mmu_sfsr_mask;
929
    env->mmu_trcr_mask = def->mmu_trcr_mask;
930
    env->mmuregs[0] |= def->mmu_version;
931
    cpu_sparc_set_id(env, 0);
932
#endif
933
    return 0;
934
}
935

    
936
static void cpu_sparc_close(CPUSPARCState *env)
937
{
938
    free(env);
939
}
940

    
941
CPUSPARCState *cpu_sparc_init(const char *cpu_model)
942
{
943
    CPUSPARCState *env;
944

    
945
    env = qemu_mallocz(sizeof(CPUSPARCState));
946
    if (!env)
947
        return NULL;
948
    cpu_exec_init(env);
949

    
950
    gen_intermediate_code_init(env);
951

    
952
    if (cpu_sparc_register(env, cpu_model) < 0) {
953
        cpu_sparc_close(env);
954
        return NULL;
955
    }
956
    cpu_reset(env);
957

    
958
    return env;
959
}
960

    
961
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
962
{
963
#if !defined(TARGET_SPARC64)
964
    env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
965
#endif
966
}
967

    
968
static const sparc_def_t sparc_defs[] = {
969
#ifdef TARGET_SPARC64
970
    {
971
        .name = "Fujitsu Sparc64",
972
        .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)
973
                       | (MAXTL << 8) | (NWINDOWS - 1)),
974
        .fpu_version = 0x00000000,
975
        .mmu_version = 0,
976
        .features = CPU_DEFAULT_FEATURES,
977
    },
978
    {
979
        .name = "Fujitsu Sparc64 III",
980
        .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)
981
                       | (MAXTL << 8) | (NWINDOWS - 1)),
982
        .fpu_version = 0x00000000,
983
        .mmu_version = 0,
984
        .features = CPU_DEFAULT_FEATURES,
985
    },
986
    {
987
        .name = "Fujitsu Sparc64 IV",
988
        .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)
989
                       | (MAXTL << 8) | (NWINDOWS - 1)),
990
        .fpu_version = 0x00000000,
991
        .mmu_version = 0,
992
        .features = CPU_DEFAULT_FEATURES,
993
    },
994
    {
995
        .name = "Fujitsu Sparc64 V",
996
        .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)
997
                       | (MAXTL << 8) | (NWINDOWS - 1)),
998
        .fpu_version = 0x00000000,
999
        .mmu_version = 0,
1000
        .features = CPU_DEFAULT_FEATURES,
1001
    },
1002
    {
1003
        .name = "TI UltraSparc I",
1004
        .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)
1005
                       | (MAXTL << 8) | (NWINDOWS - 1)),
1006
        .fpu_version = 0x00000000,
1007
        .mmu_version = 0,
1008
        .features = CPU_DEFAULT_FEATURES,
1009
    },
1010
    {
1011
        .name = "TI UltraSparc II",
1012
        .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)
1013
                       | (MAXTL << 8) | (NWINDOWS - 1)),
1014
        .fpu_version = 0x00000000,
1015
        .mmu_version = 0,
1016
        .features = CPU_DEFAULT_FEATURES,
1017
    },
1018
    {
1019
        .name = "TI UltraSparc IIi",
1020
        .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)
1021
                       | (MAXTL << 8) | (NWINDOWS - 1)),
1022
        .fpu_version = 0x00000000,
1023
        .mmu_version = 0,
1024
        .features = CPU_DEFAULT_FEATURES,
1025
    },
1026
    {
1027
        .name = "TI UltraSparc IIe",
1028
        .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)
1029
                       | (MAXTL << 8) | (NWINDOWS - 1)),
1030
        .fpu_version = 0x00000000,
1031
        .mmu_version = 0,
1032
        .features = CPU_DEFAULT_FEATURES,
1033
    },
1034
    {
1035
        .name = "Sun UltraSparc III",
1036
        .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)
1037
                       | (MAXTL << 8) | (NWINDOWS - 1)),
1038
        .fpu_version = 0x00000000,
1039
        .mmu_version = 0,
1040
        .features = CPU_DEFAULT_FEATURES,
1041
    },
1042
    {
1043
        .name = "Sun UltraSparc III Cu",
1044
        .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)
1045
                       | (MAXTL << 8) | (NWINDOWS - 1)),
1046
        .fpu_version = 0x00000000,
1047
        .mmu_version = 0,
1048
        .features = CPU_DEFAULT_FEATURES,
1049
    },
1050
    {
1051
        .name = "Sun UltraSparc IIIi",
1052
        .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)
1053
                       | (MAXTL << 8) | (NWINDOWS - 1)),
1054
        .fpu_version = 0x00000000,
1055
        .mmu_version = 0,
1056
        .features = CPU_DEFAULT_FEATURES,
1057
    },
1058
    {
1059
        .name = "Sun UltraSparc IV",
1060
        .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)
1061
                       | (MAXTL << 8) | (NWINDOWS - 1)),
1062
        .fpu_version = 0x00000000,
1063
        .mmu_version = 0,
1064
        .features = CPU_DEFAULT_FEATURES,
1065
    },
1066
    {
1067
        .name = "Sun UltraSparc IV+",
1068
        .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)
1069
                       | (MAXTL << 8) | (NWINDOWS - 1)),
1070
        .fpu_version = 0x00000000,
1071
        .mmu_version = 0,
1072
        .features = CPU_DEFAULT_FEATURES,
1073
    },
1074
    {
1075
        .name = "Sun UltraSparc IIIi+",
1076
        .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)
1077
                       | (MAXTL << 8) | (NWINDOWS - 1)),
1078
        .fpu_version = 0x00000000,
1079
        .mmu_version = 0,
1080
        .features = CPU_DEFAULT_FEATURES,
1081
    },
1082
    {
1083
        .name = "NEC UltraSparc I",
1084
        .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)
1085
                       | (MAXTL << 8) | (NWINDOWS - 1)),
1086
        .fpu_version = 0x00000000,
1087
        .mmu_version = 0,
1088
        .features = CPU_DEFAULT_FEATURES,
1089
    },
1090
#else
1091
    {
1092
        .name = "Fujitsu MB86900",
1093
        .iu_version = 0x00 << 24, /* Impl 0, ver 0 */
1094
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1095
        .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */
1096
        .mmu_bm = 0x00004000,
1097
        .mmu_ctpr_mask = 0x007ffff0,
1098
        .mmu_cxr_mask = 0x0000003f,
1099
        .mmu_sfsr_mask = 0xffffffff,
1100
        .mmu_trcr_mask = 0xffffffff,
1101
        .features = CPU_FEATURE_FLOAT,
1102
    },
1103
    {
1104
        .name = "Fujitsu MB86904",
1105
        .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
1106
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1107
        .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
1108
        .mmu_bm = 0x00004000,
1109
        .mmu_ctpr_mask = 0x00ffffc0,
1110
        .mmu_cxr_mask = 0x000000ff,
1111
        .mmu_sfsr_mask = 0x00016fff,
1112
        .mmu_trcr_mask = 0x00ffffff,
1113
        .features = CPU_DEFAULT_FEATURES,
1114
    },
1115
    {
1116
        .name = "Fujitsu MB86907",
1117
        .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
1118
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1119
        .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
1120
        .mmu_bm = 0x00004000,
1121
        .mmu_ctpr_mask = 0xffffffc0,
1122
        .mmu_cxr_mask = 0x000000ff,
1123
        .mmu_sfsr_mask = 0x00016fff,
1124
        .mmu_trcr_mask = 0xffffffff,
1125
        .features = CPU_DEFAULT_FEATURES,
1126
    },
1127
    {
1128
        .name = "LSI L64811",
1129
        .iu_version = 0x10 << 24, /* Impl 1, ver 0 */
1130
        .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */
1131
        .mmu_version = 0x10 << 24,
1132
        .mmu_bm = 0x00004000,
1133
        .mmu_ctpr_mask = 0x007ffff0,
1134
        .mmu_cxr_mask = 0x0000003f,
1135
        .mmu_sfsr_mask = 0xffffffff,
1136
        .mmu_trcr_mask = 0xffffffff,
1137
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT,
1138
    },
1139
    {
1140
        .name = "Cypress CY7C601",
1141
        .iu_version = 0x11 << 24, /* Impl 1, ver 1 */
1142
        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
1143
        .mmu_version = 0x10 << 24,
1144
        .mmu_bm = 0x00004000,
1145
        .mmu_ctpr_mask = 0x007ffff0,
1146
        .mmu_cxr_mask = 0x0000003f,
1147
        .mmu_sfsr_mask = 0xffffffff,
1148
        .mmu_trcr_mask = 0xffffffff,
1149
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT,
1150
    },
1151
    {
1152
        .name = "Cypress CY7C611",
1153
        .iu_version = 0x13 << 24, /* Impl 1, ver 3 */
1154
        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
1155
        .mmu_version = 0x10 << 24,
1156
        .mmu_bm = 0x00004000,
1157
        .mmu_ctpr_mask = 0x007ffff0,
1158
        .mmu_cxr_mask = 0x0000003f,
1159
        .mmu_sfsr_mask = 0xffffffff,
1160
        .mmu_trcr_mask = 0xffffffff,
1161
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT,
1162
    },
1163
    {
1164
        .name = "TI SuperSparc II",
1165
        .iu_version = 0x40000000,
1166
        .fpu_version = 0 << 17,
1167
        .mmu_version = 0x04000000,
1168
        .mmu_bm = 0x00002000,
1169
        .mmu_ctpr_mask = 0xffffffc0,
1170
        .mmu_cxr_mask = 0x0000ffff,
1171
        .mmu_sfsr_mask = 0xffffffff,
1172
        .mmu_trcr_mask = 0xffffffff,
1173
        .features = CPU_DEFAULT_FEATURES,
1174
    },
1175
    {
1176
        .name = "TI MicroSparc I",
1177
        .iu_version = 0x41000000,
1178
        .fpu_version = 4 << 17,
1179
        .mmu_version = 0x41000000,
1180
        .mmu_bm = 0x00004000,
1181
        .mmu_ctpr_mask = 0x007ffff0,
1182
        .mmu_cxr_mask = 0x0000003f,
1183
        .mmu_sfsr_mask = 0x00016fff,
1184
        .mmu_trcr_mask = 0x0000003f,
1185
        .features = CPU_DEFAULT_FEATURES,
1186
    },
1187
    {
1188
        .name = "TI MicroSparc II",
1189
        .iu_version = 0x42000000,
1190
        .fpu_version = 4 << 17,
1191
        .mmu_version = 0x02000000,
1192
        .mmu_bm = 0x00004000,
1193
        .mmu_ctpr_mask = 0x00ffffc0,
1194
        .mmu_cxr_mask = 0x000000ff,
1195
        .mmu_sfsr_mask = 0x00016fff,
1196
        .mmu_trcr_mask = 0x00ffffff,
1197
        .features = CPU_DEFAULT_FEATURES,
1198
    },
1199
    {
1200
        .name = "TI MicroSparc IIep",
1201
        .iu_version = 0x42000000,
1202
        .fpu_version = 4 << 17,
1203
        .mmu_version = 0x04000000,
1204
        .mmu_bm = 0x00004000,
1205
        .mmu_ctpr_mask = 0x00ffffc0,
1206
        .mmu_cxr_mask = 0x000000ff,
1207
        .mmu_sfsr_mask = 0x00016bff,
1208
        .mmu_trcr_mask = 0x00ffffff,
1209
        .features = CPU_DEFAULT_FEATURES,
1210
    },
1211
    {
1212
        .name = "TI SuperSparc 51",
1213
        .iu_version = 0x43000000,
1214
        .fpu_version = 0 << 17,
1215
        .mmu_version = 0x04000000,
1216
        .mmu_bm = 0x00002000,
1217
        .mmu_ctpr_mask = 0xffffffc0,
1218
        .mmu_cxr_mask = 0x0000ffff,
1219
        .mmu_sfsr_mask = 0xffffffff,
1220
        .mmu_trcr_mask = 0xffffffff,
1221
        .features = CPU_DEFAULT_FEATURES,
1222
    },
1223
    {
1224
        .name = "TI SuperSparc 61",
1225
        .iu_version = 0x44000000,
1226
        .fpu_version = 0 << 17,
1227
        .mmu_version = 0x04000000,
1228
        .mmu_bm = 0x00002000,
1229
        .mmu_ctpr_mask = 0xffffffc0,
1230
        .mmu_cxr_mask = 0x0000ffff,
1231
        .mmu_sfsr_mask = 0xffffffff,
1232
        .mmu_trcr_mask = 0xffffffff,
1233
        .features = CPU_DEFAULT_FEATURES,
1234
    },
1235
    {
1236
        .name = "Ross RT625",
1237
        .iu_version = 0x1e000000,
1238
        .fpu_version = 1 << 17,
1239
        .mmu_version = 0x1e000000,
1240
        .mmu_bm = 0x00004000,
1241
        .mmu_ctpr_mask = 0x007ffff0,
1242
        .mmu_cxr_mask = 0x0000003f,
1243
        .mmu_sfsr_mask = 0xffffffff,
1244
        .mmu_trcr_mask = 0xffffffff,
1245
        .features = CPU_DEFAULT_FEATURES,
1246
    },
1247
    {
1248
        .name = "Ross RT620",
1249
        .iu_version = 0x1f000000,
1250
        .fpu_version = 1 << 17,
1251
        .mmu_version = 0x1f000000,
1252
        .mmu_bm = 0x00004000,
1253
        .mmu_ctpr_mask = 0x007ffff0,
1254
        .mmu_cxr_mask = 0x0000003f,
1255
        .mmu_sfsr_mask = 0xffffffff,
1256
        .mmu_trcr_mask = 0xffffffff,
1257
        .features = CPU_DEFAULT_FEATURES,
1258
    },
1259
    {
1260
        .name = "BIT B5010",
1261
        .iu_version = 0x20000000,
1262
        .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */
1263
        .mmu_version = 0x20000000,
1264
        .mmu_bm = 0x00004000,
1265
        .mmu_ctpr_mask = 0x007ffff0,
1266
        .mmu_cxr_mask = 0x0000003f,
1267
        .mmu_sfsr_mask = 0xffffffff,
1268
        .mmu_trcr_mask = 0xffffffff,
1269
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT,
1270
    },
1271
    {
1272
        .name = "Matsushita MN10501",
1273
        .iu_version = 0x50000000,
1274
        .fpu_version = 0 << 17,
1275
        .mmu_version = 0x50000000,
1276
        .mmu_bm = 0x00004000,
1277
        .mmu_ctpr_mask = 0x007ffff0,
1278
        .mmu_cxr_mask = 0x0000003f,
1279
        .mmu_sfsr_mask = 0xffffffff,
1280
        .mmu_trcr_mask = 0xffffffff,
1281
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT,
1282
    },
1283
    {
1284
        .name = "Weitek W8601",
1285
        .iu_version = 0x90 << 24, /* Impl 9, ver 0 */
1286
        .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */
1287
        .mmu_version = 0x10 << 24,
1288
        .mmu_bm = 0x00004000,
1289
        .mmu_ctpr_mask = 0x007ffff0,
1290
        .mmu_cxr_mask = 0x0000003f,
1291
        .mmu_sfsr_mask = 0xffffffff,
1292
        .mmu_trcr_mask = 0xffffffff,
1293
        .features = CPU_DEFAULT_FEATURES,
1294
    },
1295
    {
1296
        .name = "LEON2",
1297
        .iu_version = 0xf2000000,
1298
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1299
        .mmu_version = 0xf2000000,
1300
        .mmu_bm = 0x00004000,
1301
        .mmu_ctpr_mask = 0x007ffff0,
1302
        .mmu_cxr_mask = 0x0000003f,
1303
        .mmu_sfsr_mask = 0xffffffff,
1304
        .mmu_trcr_mask = 0xffffffff,
1305
        .features = CPU_DEFAULT_FEATURES,
1306
    },
1307
    {
1308
        .name = "LEON3",
1309
        .iu_version = 0xf3000000,
1310
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1311
        .mmu_version = 0xf3000000,
1312
        .mmu_bm = 0x00004000,
1313
        .mmu_ctpr_mask = 0x007ffff0,
1314
        .mmu_cxr_mask = 0x0000003f,
1315
        .mmu_sfsr_mask = 0xffffffff,
1316
        .mmu_trcr_mask = 0xffffffff,
1317
        .features = CPU_DEFAULT_FEATURES,
1318
    },
1319
#endif
1320
};
1321

    
1322
static const char * const feature_name[] = {
1323
    "float",
1324
    "float128",
1325
    "swap",
1326
    "mul",
1327
    "div",
1328
    "flush",
1329
    "fsqrt",
1330
    "fmul",
1331
    "vis1",
1332
    "vis2",
1333
};
1334

    
1335
static void print_features(FILE *f,
1336
                           int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1337
                           uint32_t features, const char *prefix)
1338
{
1339
    unsigned int i;
1340

    
1341
    for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1342
        if (feature_name[i] && (features & (1 << i))) {
1343
            if (prefix)
1344
                (*cpu_fprintf)(f, "%s", prefix);
1345
            (*cpu_fprintf)(f, "%s ", feature_name[i]);
1346
        }
1347
}
1348

    
1349
static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
1350
{
1351
    unsigned int i;
1352

    
1353
    for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1354
        if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
1355
            *features |= 1 << i;
1356
            return;
1357
        }
1358
    fprintf(stderr, "CPU feature %s not found\n", flagname);
1359
}
1360

    
1361
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
1362
{
1363
    unsigned int i;
1364
    const sparc_def_t *def = NULL;
1365
    char *s = strdup(cpu_model);
1366
    char *featurestr, *name = strtok(s, ",");
1367
    uint32_t plus_features = 0;
1368
    uint32_t minus_features = 0;
1369
    long long iu_version;
1370
    uint32_t fpu_version, mmu_version;
1371

    
1372
    for (i = 0; i < sizeof(sparc_defs) / sizeof(sparc_def_t); i++) {
1373
        if (strcasecmp(name, sparc_defs[i].name) == 0) {
1374
            def = &sparc_defs[i];
1375
        }
1376
    }
1377
    if (!def)
1378
        goto error;
1379
    memcpy(cpu_def, def, sizeof(*def));
1380

    
1381
    featurestr = strtok(NULL, ",");
1382
    while (featurestr) {
1383
        char *val;
1384

    
1385
        if (featurestr[0] == '+') {
1386
            add_flagname_to_bitmaps(featurestr + 1, &plus_features);
1387
        } else if (featurestr[0] == '-') {
1388
            add_flagname_to_bitmaps(featurestr + 1, &minus_features);
1389
        } else if ((val = strchr(featurestr, '='))) {
1390
            *val = 0; val++;
1391
            if (!strcmp(featurestr, "iu_version")) {
1392
                char *err;
1393

    
1394
                iu_version = strtoll(val, &err, 0);
1395
                if (!*val || *err) {
1396
                    fprintf(stderr, "bad numerical value %s\n", val);
1397
                    goto error;
1398
                }
1399
                cpu_def->iu_version = iu_version;
1400
#ifdef DEBUG_FEATURES
1401
                fprintf(stderr, "iu_version %llx\n", iu_version);
1402
#endif
1403
            } else if (!strcmp(featurestr, "fpu_version")) {
1404
                char *err;
1405

    
1406
                fpu_version = strtol(val, &err, 0);
1407
                if (!*val || *err) {
1408
                    fprintf(stderr, "bad numerical value %s\n", val);
1409
                    goto error;
1410
                }
1411
                cpu_def->fpu_version = fpu_version;
1412
#ifdef DEBUG_FEATURES
1413
                fprintf(stderr, "fpu_version %llx\n", fpu_version);
1414
#endif
1415
            } else if (!strcmp(featurestr, "mmu_version")) {
1416
                char *err;
1417

    
1418
                mmu_version = strtol(val, &err, 0);
1419
                if (!*val || *err) {
1420
                    fprintf(stderr, "bad numerical value %s\n", val);
1421
                    goto error;
1422
                }
1423
                cpu_def->mmu_version = mmu_version;
1424
#ifdef DEBUG_FEATURES
1425
                fprintf(stderr, "mmu_version %llx\n", mmu_version);
1426
#endif
1427
            } else {
1428
                fprintf(stderr, "unrecognized feature %s\n", featurestr);
1429
                goto error;
1430
            }
1431
        } else {
1432
            fprintf(stderr, "feature string `%s' not in format "
1433
                    "(+feature|-feature|feature=xyz)\n", featurestr);
1434
            goto error;
1435
        }
1436
        featurestr = strtok(NULL, ",");
1437
    }
1438
    cpu_def->features |= plus_features;
1439
    cpu_def->features &= ~minus_features;
1440
#ifdef DEBUG_FEATURES
1441
    print_features(stderr, fprintf, cpu_def->features, NULL);
1442
#endif
1443
    free(s);
1444
    return 0;
1445

    
1446
 error:
1447
    free(s);
1448
    return -1;
1449
}
1450

    
1451
void sparc_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
1452
{
1453
    unsigned int i;
1454

    
1455
    for (i = 0; i < sizeof(sparc_defs) / sizeof(sparc_def_t); i++) {
1456
        (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x ",
1457
                       sparc_defs[i].name,
1458
                       sparc_defs[i].iu_version,
1459
                       sparc_defs[i].fpu_version,
1460
                       sparc_defs[i].mmu_version);
1461
        print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
1462
                       ~sparc_defs[i].features, "-");
1463
        print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
1464
                       sparc_defs[i].features, "+");
1465
        (*cpu_fprintf)(f, "\n");
1466
    }
1467
    (*cpu_fprintf)(f, "CPU feature flags (+/-): ");
1468
    print_features(f, cpu_fprintf, -1, NULL);
1469
    (*cpu_fprintf)(f, "\n");
1470
    (*cpu_fprintf)(f, "Numerical features (=): iu_version fpu_version "
1471
                   "mmu_version\n");
1472
}
1473

    
1474
#define GET_FLAG(a,b) ((env->psr & a)?b:'-')
1475

    
1476
void cpu_dump_state(CPUState *env, FILE *f,
1477
                    int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1478
                    int flags)
1479
{
1480
    int i, x;
1481

    
1482
    cpu_fprintf(f, "pc: " TARGET_FMT_lx "  npc: " TARGET_FMT_lx "\n", env->pc,
1483
                env->npc);
1484
    cpu_fprintf(f, "General Registers:\n");
1485
    for (i = 0; i < 4; i++)
1486
        cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
1487
    cpu_fprintf(f, "\n");
1488
    for (; i < 8; i++)
1489
        cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
1490
    cpu_fprintf(f, "\nCurrent Register Window:\n");
1491
    for (x = 0; x < 3; x++) {
1492
        for (i = 0; i < 4; i++)
1493
            cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
1494
                    (x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i,
1495
                    env->regwptr[i + x * 8]);
1496
        cpu_fprintf(f, "\n");
1497
        for (; i < 8; i++)
1498
            cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
1499
                    (x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i,
1500
                    env->regwptr[i + x * 8]);
1501
        cpu_fprintf(f, "\n");
1502
    }
1503
    cpu_fprintf(f, "\nFloating Point Registers:\n");
1504
    for (i = 0; i < 32; i++) {
1505
        if ((i & 3) == 0)
1506
            cpu_fprintf(f, "%%f%02d:", i);
1507
        cpu_fprintf(f, " %016lf", env->fpr[i]);
1508
        if ((i & 3) == 3)
1509
            cpu_fprintf(f, "\n");
1510
    }
1511
#ifdef TARGET_SPARC64
1512
    cpu_fprintf(f, "pstate: 0x%08x ccr: 0x%02x asi: 0x%02x tl: %d fprs: %d\n",
1513
                env->pstate, GET_CCR(env), env->asi, env->tl, env->fprs);
1514
    cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate %d "
1515
                "cleanwin %d cwp %d\n",
1516
                env->cansave, env->canrestore, env->otherwin, env->wstate,
1517
                env->cleanwin, NWINDOWS - 1 - env->cwp);
1518
#else
1519
    cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n",
1520
                GET_PSR(env), GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'),
1521
                GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'),
1522
                env->psrs?'S':'-', env->psrps?'P':'-',
1523
                env->psret?'E':'-', env->wim);
1524
#endif
1525
    cpu_fprintf(f, "fsr: 0x%08x\n", GET_FSR32(env));
1526
}
1527

    
1528
#ifdef TARGET_SPARC64
1529
#if !defined(CONFIG_USER_ONLY)
1530
#include "qemu-common.h"
1531
#include "hw/irq.h"
1532
#include "qemu-timer.h"
1533
#endif
1534

    
1535
void helper_tick_set_count(void *opaque, uint64_t count)
1536
{
1537
#if !defined(CONFIG_USER_ONLY)
1538
    ptimer_set_count(opaque, -count);
1539
#endif
1540
}
1541

    
1542
uint64_t helper_tick_get_count(void *opaque)
1543
{
1544
#if !defined(CONFIG_USER_ONLY)
1545
    return -ptimer_get_count(opaque);
1546
#else
1547
    return 0;
1548
#endif
1549
}
1550

    
1551
void helper_tick_set_limit(void *opaque, uint64_t limit)
1552
{
1553
#if !defined(CONFIG_USER_ONLY)
1554
    ptimer_set_limit(opaque, -limit, 0);
1555
#endif
1556
}
1557
#endif