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1
/*
2
 *  sparc helpers
3
 *
4
 *  Copyright (c) 2003-2005 Fabrice Bellard
5
 *
6
 * This library is free software; you can redistribute it and/or
7
 * modify it under the terms of the GNU Lesser General Public
8
 * License as published by the Free Software Foundation; either
9
 * version 2 of the License, or (at your option) any later version.
10
 *
11
 * This library is distributed in the hope that it will be useful,
12
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14
 * Lesser General Public License for more details.
15
 *
16
 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * 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>
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#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"
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#include "qemu-common.h"
31
#include "helper.h"
32

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

    
37
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model);
38

    
39
/* Sparc MMU emulation */
40

    
41
/* thread support */
42

    
43
spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED;
44

    
45
void cpu_lock(void)
46
{
47
    spin_lock(&global_cpu_lock);
48
}
49

    
50
void cpu_unlock(void)
51
{
52
    spin_unlock(&global_cpu_lock);
53
}
54

    
55
#if defined(CONFIG_USER_ONLY)
56

    
57
int cpu_sparc_handle_mmu_fault(CPUState *env1, target_ulong address, int rw,
58
                               int mmu_idx, int is_softmmu)
59
{
60
    if (rw & 2)
61
        env1->exception_index = TT_TFAULT;
62
    else
63
        env1->exception_index = TT_DFAULT;
64
    return 1;
65
}
66

    
67
#else
68

    
69
#ifndef TARGET_SPARC64
70
/*
71
 * Sparc V8 Reference MMU (SRMMU)
72
 */
73
static const int access_table[8][8] = {
74
    { 0, 0, 0, 0, 8, 0, 12, 12 },
75
    { 0, 0, 0, 0, 8, 0, 0, 0 },
76
    { 8, 8, 0, 0, 0, 8, 12, 12 },
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    { 8, 8, 0, 0, 0, 8, 0, 0 },
78
    { 8, 0, 8, 0, 8, 8, 12, 12 },
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    { 8, 0, 8, 0, 8, 0, 8, 0 },
80
    { 8, 8, 8, 0, 8, 8, 12, 12 },
81
    { 8, 8, 8, 0, 8, 8, 8, 0 }
82
};
83

    
84
static const int perm_table[2][8] = {
85
    {
86
        PAGE_READ,
87
        PAGE_READ | PAGE_WRITE,
88
        PAGE_READ | PAGE_EXEC,
89
        PAGE_READ | PAGE_WRITE | PAGE_EXEC,
90
        PAGE_EXEC,
91
        PAGE_READ | PAGE_WRITE,
92
        PAGE_READ | PAGE_EXEC,
93
        PAGE_READ | PAGE_WRITE | PAGE_EXEC
94
    },
95
    {
96
        PAGE_READ,
97
        PAGE_READ | PAGE_WRITE,
98
        PAGE_READ | PAGE_EXEC,
99
        PAGE_READ | PAGE_WRITE | PAGE_EXEC,
100
        PAGE_EXEC,
101
        PAGE_READ,
102
        0,
103
        0,
104
    }
105
};
106

    
107
static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
108
                                int *prot, int *access_index,
109
                                target_ulong address, int rw, int mmu_idx)
110
{
111
    int access_perms = 0;
112
    target_phys_addr_t pde_ptr;
113
    uint32_t pde;
114
    target_ulong virt_addr;
115
    int error_code = 0, is_dirty, is_user;
116
    unsigned long page_offset;
117

    
118
    is_user = mmu_idx == MMU_USER_IDX;
119
    virt_addr = address & TARGET_PAGE_MASK;
120

    
121
    if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
122
        // Boot mode: instruction fetches are taken from PROM
123
        if (rw == 2 && (env->mmuregs[0] & env->def->mmu_bm)) {
124
            *physical = env->prom_addr | (address & 0x7ffffULL);
125
            *prot = PAGE_READ | PAGE_EXEC;
126
            return 0;
127
        }
128
        *physical = address;
129
        *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
130
        return 0;
131
    }
132

    
133
    *access_index = ((rw & 1) << 2) | (rw & 2) | (is_user? 0 : 1);
134
    *physical = 0xffffffffffff0000ULL;
135

    
136
    /* SPARC reference MMU table walk: Context table->L1->L2->PTE */
137
    /* Context base + context number */
138
    pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
139
    pde = ldl_phys(pde_ptr);
140

    
141
    /* Ctx pde */
142
    switch (pde & PTE_ENTRYTYPE_MASK) {
143
    default:
144
    case 0: /* Invalid */
145
        return 1 << 2;
146
    case 2: /* L0 PTE, maybe should not happen? */
147
    case 3: /* Reserved */
148
        return 4 << 2;
149
    case 1: /* L0 PDE */
150
        pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
151
        pde = ldl_phys(pde_ptr);
152

    
153
        switch (pde & PTE_ENTRYTYPE_MASK) {
154
        default:
155
        case 0: /* Invalid */
156
            return (1 << 8) | (1 << 2);
157
        case 3: /* Reserved */
158
            return (1 << 8) | (4 << 2);
159
        case 1: /* L1 PDE */
160
            pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
161
            pde = ldl_phys(pde_ptr);
162

    
163
            switch (pde & PTE_ENTRYTYPE_MASK) {
164
            default:
165
            case 0: /* Invalid */
166
                return (2 << 8) | (1 << 2);
167
            case 3: /* Reserved */
168
                return (2 << 8) | (4 << 2);
169
            case 1: /* L2 PDE */
170
                pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
171
                pde = ldl_phys(pde_ptr);
172

    
173
                switch (pde & PTE_ENTRYTYPE_MASK) {
174
                default:
175
                case 0: /* Invalid */
176
                    return (3 << 8) | (1 << 2);
177
                case 1: /* PDE, should not happen */
178
                case 3: /* Reserved */
179
                    return (3 << 8) | (4 << 2);
180
                case 2: /* L3 PTE */
181
                    virt_addr = address & TARGET_PAGE_MASK;
182
                    page_offset = (address & TARGET_PAGE_MASK) &
183
                        (TARGET_PAGE_SIZE - 1);
184
                }
185
                break;
186
            case 2: /* L2 PTE */
187
                virt_addr = address & ~0x3ffff;
188
                page_offset = address & 0x3ffff;
189
            }
190
            break;
191
        case 2: /* L1 PTE */
192
            virt_addr = address & ~0xffffff;
193
            page_offset = address & 0xffffff;
194
        }
195
    }
196

    
197
    /* update page modified and dirty bits */
198
    is_dirty = (rw & 1) && !(pde & PG_MODIFIED_MASK);
199
    if (!(pde & PG_ACCESSED_MASK) || is_dirty) {
200
        pde |= PG_ACCESSED_MASK;
201
        if (is_dirty)
202
            pde |= PG_MODIFIED_MASK;
203
        stl_phys_notdirty(pde_ptr, pde);
204
    }
205
    /* check access */
206
    access_perms = (pde & PTE_ACCESS_MASK) >> PTE_ACCESS_SHIFT;
207
    error_code = access_table[*access_index][access_perms];
208
    if (error_code && !((env->mmuregs[0] & MMU_NF) && is_user))
209
        return error_code;
210

    
211
    /* the page can be put in the TLB */
212
    *prot = perm_table[is_user][access_perms];
213
    if (!(pde & PG_MODIFIED_MASK)) {
214
        /* only set write access if already dirty... otherwise wait
215
           for dirty access */
216
        *prot &= ~PAGE_WRITE;
217
    }
218

    
219
    /* Even if large ptes, we map only one 4KB page in the cache to
220
       avoid filling it too fast */
221
    *physical = ((target_phys_addr_t)(pde & PTE_ADDR_MASK) << 4) + page_offset;
222
    return error_code;
223
}
224

    
225
/* Perform address translation */
226
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
227
                              int mmu_idx, int is_softmmu)
228
{
229
    target_phys_addr_t paddr;
230
    target_ulong vaddr;
231
    int error_code = 0, prot, ret = 0, access_index;
232

    
233
    error_code = get_physical_address(env, &paddr, &prot, &access_index,
234
                                      address, rw, mmu_idx);
235
    if (error_code == 0) {
236
        vaddr = address & TARGET_PAGE_MASK;
237
        paddr &= TARGET_PAGE_MASK;
238
#ifdef DEBUG_MMU
239
        printf("Translate at " TARGET_FMT_lx " -> " TARGET_FMT_plx ", vaddr "
240
               TARGET_FMT_lx "\n", address, paddr, vaddr);
241
#endif
242
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
243
        return ret;
244
    }
245

    
246
    if (env->mmuregs[3]) /* Fault status register */
247
        env->mmuregs[3] = 1; /* overflow (not read before another fault) */
248
    env->mmuregs[3] |= (access_index << 5) | error_code | 2;
249
    env->mmuregs[4] = address; /* Fault address register */
250

    
251
    if ((env->mmuregs[0] & MMU_NF) || env->psret == 0)  {
252
        // No fault mode: if a mapping is available, just override
253
        // permissions. If no mapping is available, redirect accesses to
254
        // neverland. Fake/overridden mappings will be flushed when
255
        // switching to normal mode.
256
        vaddr = address & TARGET_PAGE_MASK;
257
        prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
258
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
259
        return ret;
260
    } else {
261
        if (rw & 2)
262
            env->exception_index = TT_TFAULT;
263
        else
264
            env->exception_index = TT_DFAULT;
265
        return 1;
266
    }
267
}
268

    
269
target_ulong mmu_probe(CPUState *env, target_ulong address, int mmulev)
270
{
271
    target_phys_addr_t pde_ptr;
272
    uint32_t pde;
273

    
274
    /* Context base + context number */
275
    pde_ptr = (target_phys_addr_t)(env->mmuregs[1] << 4) +
276
        (env->mmuregs[2] << 2);
277
    pde = ldl_phys(pde_ptr);
278

    
279
    switch (pde & PTE_ENTRYTYPE_MASK) {
280
    default:
281
    case 0: /* Invalid */
282
    case 2: /* PTE, maybe should not happen? */
283
    case 3: /* Reserved */
284
        return 0;
285
    case 1: /* L1 PDE */
286
        if (mmulev == 3)
287
            return pde;
288
        pde_ptr = ((address >> 22) & ~3) + ((pde & ~3) << 4);
289
        pde = ldl_phys(pde_ptr);
290

    
291
        switch (pde & PTE_ENTRYTYPE_MASK) {
292
        default:
293
        case 0: /* Invalid */
294
        case 3: /* Reserved */
295
            return 0;
296
        case 2: /* L1 PTE */
297
            return pde;
298
        case 1: /* L2 PDE */
299
            if (mmulev == 2)
300
                return pde;
301
            pde_ptr = ((address & 0xfc0000) >> 16) + ((pde & ~3) << 4);
302
            pde = ldl_phys(pde_ptr);
303

    
304
            switch (pde & PTE_ENTRYTYPE_MASK) {
305
            default:
306
            case 0: /* Invalid */
307
            case 3: /* Reserved */
308
                return 0;
309
            case 2: /* L2 PTE */
310
                return pde;
311
            case 1: /* L3 PDE */
312
                if (mmulev == 1)
313
                    return pde;
314
                pde_ptr = ((address & 0x3f000) >> 10) + ((pde & ~3) << 4);
315
                pde = ldl_phys(pde_ptr);
316

    
317
                switch (pde & PTE_ENTRYTYPE_MASK) {
318
                default:
319
                case 0: /* Invalid */
320
                case 1: /* PDE, should not happen */
321
                case 3: /* Reserved */
322
                    return 0;
323
                case 2: /* L3 PTE */
324
                    return pde;
325
                }
326
            }
327
        }
328
    }
329
    return 0;
330
}
331

    
332
#ifdef DEBUG_MMU
333
void dump_mmu(CPUState *env)
334
{
335
    target_ulong va, va1, va2;
336
    unsigned int n, m, o;
337
    target_phys_addr_t pde_ptr, pa;
338
    uint32_t pde;
339

    
340
    printf("MMU dump:\n");
341
    pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
342
    pde = ldl_phys(pde_ptr);
343
    printf("Root ptr: " TARGET_FMT_plx ", ctx: %d\n",
344
           (target_phys_addr_t)env->mmuregs[1] << 4, env->mmuregs[2]);
345
    for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) {
346
        pde = mmu_probe(env, va, 2);
347
        if (pde) {
348
            pa = cpu_get_phys_page_debug(env, va);
349
            printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
350
                   " PDE: " TARGET_FMT_lx "\n", va, pa, pde);
351
            for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) {
352
                pde = mmu_probe(env, va1, 1);
353
                if (pde) {
354
                    pa = cpu_get_phys_page_debug(env, va1);
355
                    printf(" VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
356
                           " PDE: " TARGET_FMT_lx "\n", va1, pa, pde);
357
                    for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) {
358
                        pde = mmu_probe(env, va2, 0);
359
                        if (pde) {
360
                            pa = cpu_get_phys_page_debug(env, va2);
361
                            printf("  VA: " TARGET_FMT_lx ", PA: "
362
                                   TARGET_FMT_plx " PTE: " TARGET_FMT_lx "\n",
363
                                   va2, pa, pde);
364
                        }
365
                    }
366
                }
367
            }
368
        }
369
    }
370
    printf("MMU dump ends\n");
371
}
372
#endif /* DEBUG_MMU */
373

    
374
#else /* !TARGET_SPARC64 */
375
/*
376
 * UltraSparc IIi I/DMMUs
377
 */
378
static int get_physical_address_data(CPUState *env,
379
                                     target_phys_addr_t *physical, int *prot,
380
                                     target_ulong address, int rw, int is_user)
381
{
382
    target_ulong mask;
383
    unsigned int i;
384

    
385
    if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */
386
        *physical = address;
387
        *prot = PAGE_READ | PAGE_WRITE;
388
        return 0;
389
    }
390

    
391
    for (i = 0; i < 64; i++) {
392
        switch ((env->dtlb_tte[i] >> 61) & 3) {
393
        default:
394
        case 0x0: // 8k
395
            mask = 0xffffffffffffe000ULL;
396
            break;
397
        case 0x1: // 64k
398
            mask = 0xffffffffffff0000ULL;
399
            break;
400
        case 0x2: // 512k
401
            mask = 0xfffffffffff80000ULL;
402
            break;
403
        case 0x3: // 4M
404
            mask = 0xffffffffffc00000ULL;
405
            break;
406
        }
407
        // ctx match, vaddr match?
408
        if (env->dmmuregs[1] == (env->dtlb_tag[i] & 0x1fff) &&
409
            (address & mask) == (env->dtlb_tag[i] & ~0x1fffULL)) {
410
            // valid, access ok?
411
            if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0 ||
412
                ((env->dtlb_tte[i] & 0x4) && is_user) ||
413
                (!(env->dtlb_tte[i] & 0x2) && (rw == 1))) {
414
                if (env->dmmuregs[3]) /* Fault status register */
415
                    env->dmmuregs[3] = 2; /* overflow (not read before
416
                                             another fault) */
417
                env->dmmuregs[3] |= (is_user << 3) | ((rw == 1) << 2) | 1;
418
                env->dmmuregs[4] = address; /* Fault address register */
419
                env->exception_index = TT_DFAULT;
420
#ifdef DEBUG_MMU
421
                printf("DFAULT at 0x%" PRIx64 "\n", address);
422
#endif
423
                return 1;
424
            }
425
            *physical = (env->dtlb_tte[i] & mask & 0x1fffffff000ULL) +
426
                (address & ~mask & 0x1fffffff000ULL);
427
            *prot = PAGE_READ;
428
            if (env->dtlb_tte[i] & 0x2)
429
                *prot |= PAGE_WRITE;
430
            return 0;
431
        }
432
    }
433
#ifdef DEBUG_MMU
434
    printf("DMISS at 0x%" PRIx64 "\n", address);
435
#endif
436
    env->dmmuregs[6] = (address & ~0x1fffULL) | (env->dmmuregs[1] & 0x1fff);
437
    env->exception_index = TT_DMISS;
438
    return 1;
439
}
440

    
441
static int get_physical_address_code(CPUState *env,
442
                                     target_phys_addr_t *physical, int *prot,
443
                                     target_ulong address, int is_user)
444
{
445
    target_ulong mask;
446
    unsigned int i;
447

    
448
    if ((env->lsu & IMMU_E) == 0) { /* IMMU disabled */
449
        *physical = address;
450
        *prot = PAGE_EXEC;
451
        return 0;
452
    }
453

    
454
    for (i = 0; i < 64; i++) {
455
        switch ((env->itlb_tte[i] >> 61) & 3) {
456
        default:
457
        case 0x0: // 8k
458
            mask = 0xffffffffffffe000ULL;
459
            break;
460
        case 0x1: // 64k
461
            mask = 0xffffffffffff0000ULL;
462
            break;
463
        case 0x2: // 512k
464
            mask = 0xfffffffffff80000ULL;
465
            break;
466
        case 0x3: // 4M
467
            mask = 0xffffffffffc00000ULL;
468
                break;
469
        }
470
        // ctx match, vaddr match?
471
        if (env->dmmuregs[1] == (env->itlb_tag[i] & 0x1fff) &&
472
            (address & mask) == (env->itlb_tag[i] & ~0x1fffULL)) {
473
            // valid, access ok?
474
            if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0 ||
475
                ((env->itlb_tte[i] & 0x4) && is_user)) {
476
                if (env->immuregs[3]) /* Fault status register */
477
                    env->immuregs[3] = 2; /* overflow (not read before
478
                                             another fault) */
479
                env->immuregs[3] |= (is_user << 3) | 1;
480
                env->exception_index = TT_TFAULT;
481
#ifdef DEBUG_MMU
482
                printf("TFAULT at 0x%" PRIx64 "\n", address);
483
#endif
484
                return 1;
485
            }
486
            *physical = (env->itlb_tte[i] & mask & 0x1fffffff000ULL) +
487
                (address & ~mask & 0x1fffffff000ULL);
488
            *prot = PAGE_EXEC;
489
            return 0;
490
        }
491
    }
492
#ifdef DEBUG_MMU
493
    printf("TMISS at 0x%" PRIx64 "\n", address);
494
#endif
495
    env->immuregs[6] = (address & ~0x1fffULL) | (env->dmmuregs[1] & 0x1fff);
496
    env->exception_index = TT_TMISS;
497
    return 1;
498
}
499

    
500
static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
501
                                int *prot, int *access_index,
502
                                target_ulong address, int rw, int mmu_idx)
503
{
504
    int is_user = mmu_idx == MMU_USER_IDX;
505

    
506
    if (rw == 2)
507
        return get_physical_address_code(env, physical, prot, address,
508
                                         is_user);
509
    else
510
        return get_physical_address_data(env, physical, prot, address, rw,
511
                                         is_user);
512
}
513

    
514
/* Perform address translation */
515
int cpu_sparc_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
516
                              int mmu_idx, int is_softmmu)
517
{
518
    target_ulong virt_addr, vaddr;
519
    target_phys_addr_t paddr;
520
    int error_code = 0, prot, ret = 0, access_index;
521

    
522
    error_code = get_physical_address(env, &paddr, &prot, &access_index,
523
                                      address, rw, mmu_idx);
524
    if (error_code == 0) {
525
        virt_addr = address & TARGET_PAGE_MASK;
526
        vaddr = virt_addr + ((address & TARGET_PAGE_MASK) &
527
                             (TARGET_PAGE_SIZE - 1));
528
#ifdef DEBUG_MMU
529
        printf("Translate at 0x%" PRIx64 " -> 0x%" PRIx64 ", vaddr 0x%" PRIx64
530
               "\n", address, paddr, vaddr);
531
#endif
532
        ret = tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
533
        return ret;
534
    }
535
    // XXX
536
    return 1;
537
}
538

    
539
#ifdef DEBUG_MMU
540
void dump_mmu(CPUState *env)
541
{
542
    unsigned int i;
543
    const char *mask;
544

    
545
    printf("MMU contexts: Primary: %" PRId64 ", Secondary: %" PRId64 "\n",
546
           env->dmmuregs[1], env->dmmuregs[2]);
547
    if ((env->lsu & DMMU_E) == 0) {
548
        printf("DMMU disabled\n");
549
    } else {
550
        printf("DMMU dump:\n");
551
        for (i = 0; i < 64; i++) {
552
            switch ((env->dtlb_tte[i] >> 61) & 3) {
553
            default:
554
            case 0x0:
555
                mask = "  8k";
556
                break;
557
            case 0x1:
558
                mask = " 64k";
559
                break;
560
            case 0x2:
561
                mask = "512k";
562
                break;
563
            case 0x3:
564
                mask = "  4M";
565
                break;
566
            }
567
            if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) {
568
                printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx
569
                       ", %s, %s, %s, %s, ctx %" PRId64 "\n",
570
                       env->dtlb_tag[i] & ~0x1fffULL,
571
                       env->dtlb_tte[i] & 0x1ffffffe000ULL,
572
                       mask,
573
                       env->dtlb_tte[i] & 0x4? "priv": "user",
574
                       env->dtlb_tte[i] & 0x2? "RW": "RO",
575
                       env->dtlb_tte[i] & 0x40? "locked": "unlocked",
576
                       env->dtlb_tag[i] & 0x1fffULL);
577
            }
578
        }
579
    }
580
    if ((env->lsu & IMMU_E) == 0) {
581
        printf("IMMU disabled\n");
582
    } else {
583
        printf("IMMU dump:\n");
584
        for (i = 0; i < 64; i++) {
585
            switch ((env->itlb_tte[i] >> 61) & 3) {
586
            default:
587
            case 0x0:
588
                mask = "  8k";
589
                break;
590
            case 0x1:
591
                mask = " 64k";
592
                break;
593
            case 0x2:
594
                mask = "512k";
595
                break;
596
            case 0x3:
597
                mask = "  4M";
598
                break;
599
            }
600
            if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) {
601
                printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_lx
602
                       ", %s, %s, %s, ctx %" PRId64 "\n",
603
                       env->itlb_tag[i] & ~0x1fffULL,
604
                       env->itlb_tte[i] & 0x1ffffffe000ULL,
605
                       mask,
606
                       env->itlb_tte[i] & 0x4? "priv": "user",
607
                       env->itlb_tte[i] & 0x40? "locked": "unlocked",
608
                       env->itlb_tag[i] & 0x1fffULL);
609
            }
610
        }
611
    }
612
}
613
#endif /* DEBUG_MMU */
614

    
615
#endif /* TARGET_SPARC64 */
616
#endif /* !CONFIG_USER_ONLY */
617

    
618

    
619
#if defined(CONFIG_USER_ONLY)
620
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
621
{
622
    return addr;
623
}
624

    
625
#else
626
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
627
{
628
    target_phys_addr_t phys_addr;
629
    int prot, access_index;
630

    
631
    if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2,
632
                             MMU_KERNEL_IDX) != 0)
633
        if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
634
                                 0, MMU_KERNEL_IDX) != 0)
635
            return -1;
636
    if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
637
        return -1;
638
    return phys_addr;
639
}
640
#endif
641

    
642
#ifdef TARGET_SPARC64
643
#ifdef DEBUG_PCALL
644
static const char * const excp_names[0x80] = {
645
    [TT_TFAULT] = "Instruction Access Fault",
646
    [TT_TMISS] = "Instruction Access MMU Miss",
647
    [TT_CODE_ACCESS] = "Instruction Access Error",
648
    [TT_ILL_INSN] = "Illegal Instruction",
649
    [TT_PRIV_INSN] = "Privileged Instruction",
650
    [TT_NFPU_INSN] = "FPU Disabled",
651
    [TT_FP_EXCP] = "FPU Exception",
652
    [TT_TOVF] = "Tag Overflow",
653
    [TT_CLRWIN] = "Clean Windows",
654
    [TT_DIV_ZERO] = "Division By Zero",
655
    [TT_DFAULT] = "Data Access Fault",
656
    [TT_DMISS] = "Data Access MMU Miss",
657
    [TT_DATA_ACCESS] = "Data Access Error",
658
    [TT_DPROT] = "Data Protection Error",
659
    [TT_UNALIGNED] = "Unaligned Memory Access",
660
    [TT_PRIV_ACT] = "Privileged Action",
661
    [TT_EXTINT | 0x1] = "External Interrupt 1",
662
    [TT_EXTINT | 0x2] = "External Interrupt 2",
663
    [TT_EXTINT | 0x3] = "External Interrupt 3",
664
    [TT_EXTINT | 0x4] = "External Interrupt 4",
665
    [TT_EXTINT | 0x5] = "External Interrupt 5",
666
    [TT_EXTINT | 0x6] = "External Interrupt 6",
667
    [TT_EXTINT | 0x7] = "External Interrupt 7",
668
    [TT_EXTINT | 0x8] = "External Interrupt 8",
669
    [TT_EXTINT | 0x9] = "External Interrupt 9",
670
    [TT_EXTINT | 0xa] = "External Interrupt 10",
671
    [TT_EXTINT | 0xb] = "External Interrupt 11",
672
    [TT_EXTINT | 0xc] = "External Interrupt 12",
673
    [TT_EXTINT | 0xd] = "External Interrupt 13",
674
    [TT_EXTINT | 0xe] = "External Interrupt 14",
675
    [TT_EXTINT | 0xf] = "External Interrupt 15",
676
};
677
#endif
678

    
679
void do_interrupt(CPUState *env)
680
{
681
    int intno = env->exception_index;
682

    
683
#ifdef DEBUG_PCALL
684
    if (loglevel & CPU_LOG_INT) {
685
        static int count;
686
        const char *name;
687

    
688
        if (intno < 0 || intno >= 0x180)
689
            name = "Unknown";
690
        else if (intno >= 0x100)
691
            name = "Trap Instruction";
692
        else if (intno >= 0xc0)
693
            name = "Window Fill";
694
        else if (intno >= 0x80)
695
            name = "Window Spill";
696
        else {
697
            name = excp_names[intno];
698
            if (!name)
699
                name = "Unknown";
700
        }
701

    
702
        fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
703
                " SP=%016" PRIx64 "\n",
704
                count, name, intno,
705
                env->pc,
706
                env->npc, env->regwptr[6]);
707
        cpu_dump_state(env, logfile, fprintf, 0);
708
#if 0
709
        {
710
            int i;
711
            uint8_t *ptr;
712

713
            fprintf(logfile, "       code=");
714
            ptr = (uint8_t *)env->pc;
715
            for(i = 0; i < 16; i++) {
716
                fprintf(logfile, " %02x", ldub(ptr + i));
717
            }
718
            fprintf(logfile, "\n");
719
        }
720
#endif
721
        count++;
722
    }
723
#endif
724
#if !defined(CONFIG_USER_ONLY)
725
    if (env->tl >= env->maxtl) {
726
        cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
727
                  " Error state", env->exception_index, env->tl, env->maxtl);
728
        return;
729
    }
730
#endif
731
    if (env->tl < env->maxtl - 1) {
732
        env->tl++;
733
    } else {
734
        env->pstate |= PS_RED;
735
        if (env->tl < env->maxtl)
736
            env->tl++;
737
    }
738
    env->tsptr = &env->ts[env->tl & MAXTL_MASK];
739
    env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
740
        ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
741
        GET_CWP64(env);
742
    env->tsptr->tpc = env->pc;
743
    env->tsptr->tnpc = env->npc;
744
    env->tsptr->tt = intno;
745
    if (!(env->def->features & CPU_FEATURE_GL)) {
746
        switch (intno) {
747
        case TT_IVEC:
748
            change_pstate(PS_PEF | PS_PRIV | PS_IG);
749
            break;
750
        case TT_TFAULT:
751
        case TT_TMISS:
752
        case TT_DFAULT:
753
        case TT_DMISS:
754
        case TT_DPROT:
755
            change_pstate(PS_PEF | PS_PRIV | PS_MG);
756
            break;
757
        default:
758
            change_pstate(PS_PEF | PS_PRIV | PS_AG);
759
            break;
760
        }
761
    }
762
    if (intno == TT_CLRWIN)
763
        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
764
    else if ((intno & 0x1c0) == TT_SPILL)
765
        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
766
    else if ((intno & 0x1c0) == TT_FILL)
767
        cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
768
    env->tbr &= ~0x7fffULL;
769
    env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
770
    env->pc = env->tbr;
771
    env->npc = env->pc + 4;
772
    env->exception_index = 0;
773
}
774
#else
775
#ifdef DEBUG_PCALL
776
static const char * const excp_names[0x80] = {
777
    [TT_TFAULT] = "Instruction Access Fault",
778
    [TT_ILL_INSN] = "Illegal Instruction",
779
    [TT_PRIV_INSN] = "Privileged Instruction",
780
    [TT_NFPU_INSN] = "FPU Disabled",
781
    [TT_WIN_OVF] = "Window Overflow",
782
    [TT_WIN_UNF] = "Window Underflow",
783
    [TT_UNALIGNED] = "Unaligned Memory Access",
784
    [TT_FP_EXCP] = "FPU Exception",
785
    [TT_DFAULT] = "Data Access Fault",
786
    [TT_TOVF] = "Tag Overflow",
787
    [TT_EXTINT | 0x1] = "External Interrupt 1",
788
    [TT_EXTINT | 0x2] = "External Interrupt 2",
789
    [TT_EXTINT | 0x3] = "External Interrupt 3",
790
    [TT_EXTINT | 0x4] = "External Interrupt 4",
791
    [TT_EXTINT | 0x5] = "External Interrupt 5",
792
    [TT_EXTINT | 0x6] = "External Interrupt 6",
793
    [TT_EXTINT | 0x7] = "External Interrupt 7",
794
    [TT_EXTINT | 0x8] = "External Interrupt 8",
795
    [TT_EXTINT | 0x9] = "External Interrupt 9",
796
    [TT_EXTINT | 0xa] = "External Interrupt 10",
797
    [TT_EXTINT | 0xb] = "External Interrupt 11",
798
    [TT_EXTINT | 0xc] = "External Interrupt 12",
799
    [TT_EXTINT | 0xd] = "External Interrupt 13",
800
    [TT_EXTINT | 0xe] = "External Interrupt 14",
801
    [TT_EXTINT | 0xf] = "External Interrupt 15",
802
    [TT_TOVF] = "Tag Overflow",
803
    [TT_CODE_ACCESS] = "Instruction Access Error",
804
    [TT_DATA_ACCESS] = "Data Access Error",
805
    [TT_DIV_ZERO] = "Division By Zero",
806
    [TT_NCP_INSN] = "Coprocessor Disabled",
807
};
808
#endif
809

    
810
void do_interrupt(CPUState *env)
811
{
812
    int cwp, intno = env->exception_index;
813

    
814
#ifdef DEBUG_PCALL
815
    if (loglevel & CPU_LOG_INT) {
816
        static int count;
817
        const char *name;
818

    
819
        if (intno < 0 || intno >= 0x100)
820
            name = "Unknown";
821
        else if (intno >= 0x80)
822
            name = "Trap Instruction";
823
        else {
824
            name = excp_names[intno];
825
            if (!name)
826
                name = "Unknown";
827
        }
828

    
829
        fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
830
                count, name, intno,
831
                env->pc,
832
                env->npc, env->regwptr[6]);
833
        cpu_dump_state(env, logfile, fprintf, 0);
834
#if 0
835
        {
836
            int i;
837
            uint8_t *ptr;
838

839
            fprintf(logfile, "       code=");
840
            ptr = (uint8_t *)env->pc;
841
            for(i = 0; i < 16; i++) {
842
                fprintf(logfile, " %02x", ldub(ptr + i));
843
            }
844
            fprintf(logfile, "\n");
845
        }
846
#endif
847
        count++;
848
    }
849
#endif
850
#if !defined(CONFIG_USER_ONLY)
851
    if (env->psret == 0) {
852
        cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
853
                  env->exception_index);
854
        return;
855
    }
856
#endif
857
    env->psret = 0;
858
    cwp = cpu_cwp_dec(env, env->cwp - 1);
859
    cpu_set_cwp(env, cwp);
860
    env->regwptr[9] = env->pc;
861
    env->regwptr[10] = env->npc;
862
    env->psrps = env->psrs;
863
    env->psrs = 1;
864
    env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
865
    env->pc = env->tbr;
866
    env->npc = env->pc + 4;
867
    env->exception_index = 0;
868
}
869
#endif
870

    
871
void memcpy32(target_ulong *dst, const target_ulong *src)
872
{
873
    dst[0] = src[0];
874
    dst[1] = src[1];
875
    dst[2] = src[2];
876
    dst[3] = src[3];
877
    dst[4] = src[4];
878
    dst[5] = src[5];
879
    dst[6] = src[6];
880
    dst[7] = src[7];
881
}
882

    
883
void cpu_reset(CPUSPARCState *env)
884
{
885
    tlb_flush(env, 1);
886
    env->cwp = 0;
887
    env->wim = 1;
888
    env->regwptr = env->regbase + (env->cwp * 16);
889
#if defined(CONFIG_USER_ONLY)
890
    env->user_mode_only = 1;
891
#ifdef TARGET_SPARC64
892
    env->cleanwin = env->nwindows - 2;
893
    env->cansave = env->nwindows - 2;
894
    env->pstate = PS_RMO | PS_PEF | PS_IE;
895
    env->asi = 0x82; // Primary no-fault
896
#endif
897
#else
898
    env->psret = 0;
899
    env->psrs = 1;
900
    env->psrps = 1;
901
#ifdef TARGET_SPARC64
902
    env->pstate = PS_PRIV;
903
    env->hpstate = HS_PRIV;
904
    env->pc = 0x1fff0000020ULL; // XXX should be different for system_reset
905
    env->tsptr = &env->ts[env->tl & MAXTL_MASK];
906
#else
907
    env->pc = 0;
908
    env->mmuregs[0] &= ~(MMU_E | MMU_NF);
909
    env->mmuregs[0] |= env->def->mmu_bm;
910
#endif
911
    env->npc = env->pc + 4;
912
#endif
913
}
914

    
915
static int cpu_sparc_register(CPUSPARCState *env, const char *cpu_model)
916
{
917
    sparc_def_t def1, *def = &def1;
918

    
919
    if (cpu_sparc_find_by_name(def, cpu_model) < 0)
920
        return -1;
921

    
922
    env->def = qemu_mallocz(sizeof(*def));
923
    memcpy(env->def, def, sizeof(*def));
924
#if defined(CONFIG_USER_ONLY)
925
    if ((env->def->features & CPU_FEATURE_FLOAT))
926
        env->def->features |= CPU_FEATURE_FLOAT128;
927
#endif
928
    env->cpu_model_str = cpu_model;
929
    env->version = def->iu_version;
930
    env->fsr = def->fpu_version;
931
    env->nwindows = def->nwindows;
932
#if !defined(TARGET_SPARC64)
933
    env->mmuregs[0] |= def->mmu_version;
934
    cpu_sparc_set_id(env, 0);
935
#else
936
    env->mmu_version = def->mmu_version;
937
    env->maxtl = def->maxtl;
938
    env->version |= def->maxtl << 8;
939
    env->version |= def->nwindows - 1;
940
#endif
941
    return 0;
942
}
943

    
944
static void cpu_sparc_close(CPUSPARCState *env)
945
{
946
    free(env->def);
947
    free(env);
948
}
949

    
950
CPUSPARCState *cpu_sparc_init(const char *cpu_model)
951
{
952
    CPUSPARCState *env;
953

    
954
    env = qemu_mallocz(sizeof(CPUSPARCState));
955
    if (!env)
956
        return NULL;
957
    cpu_exec_init(env);
958

    
959
    gen_intermediate_code_init(env);
960

    
961
    if (cpu_sparc_register(env, cpu_model) < 0) {
962
        cpu_sparc_close(env);
963
        return NULL;
964
    }
965
    cpu_reset(env);
966

    
967
    return env;
968
}
969

    
970
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
971
{
972
#if !defined(TARGET_SPARC64)
973
    env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
974
#endif
975
}
976

    
977
static const sparc_def_t sparc_defs[] = {
978
#ifdef TARGET_SPARC64
979
    {
980
        .name = "Fujitsu Sparc64",
981
        .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
982
        .fpu_version = 0x00000000,
983
        .mmu_version = mmu_us_12,
984
        .nwindows = 4,
985
        .maxtl = 4,
986
        .features = CPU_DEFAULT_FEATURES,
987
    },
988
    {
989
        .name = "Fujitsu Sparc64 III",
990
        .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
991
        .fpu_version = 0x00000000,
992
        .mmu_version = mmu_us_12,
993
        .nwindows = 5,
994
        .maxtl = 4,
995
        .features = CPU_DEFAULT_FEATURES,
996
    },
997
    {
998
        .name = "Fujitsu Sparc64 IV",
999
        .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
1000
        .fpu_version = 0x00000000,
1001
        .mmu_version = mmu_us_12,
1002
        .nwindows = 8,
1003
        .maxtl = 5,
1004
        .features = CPU_DEFAULT_FEATURES,
1005
    },
1006
    {
1007
        .name = "Fujitsu Sparc64 V",
1008
        .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
1009
        .fpu_version = 0x00000000,
1010
        .mmu_version = mmu_us_12,
1011
        .nwindows = 8,
1012
        .maxtl = 5,
1013
        .features = CPU_DEFAULT_FEATURES,
1014
    },
1015
    {
1016
        .name = "TI UltraSparc I",
1017
        .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
1018
        .fpu_version = 0x00000000,
1019
        .mmu_version = mmu_us_12,
1020
        .nwindows = 8,
1021
        .maxtl = 5,
1022
        .features = CPU_DEFAULT_FEATURES,
1023
    },
1024
    {
1025
        .name = "TI UltraSparc II",
1026
        .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
1027
        .fpu_version = 0x00000000,
1028
        .mmu_version = mmu_us_12,
1029
        .nwindows = 8,
1030
        .maxtl = 5,
1031
        .features = CPU_DEFAULT_FEATURES,
1032
    },
1033
    {
1034
        .name = "TI UltraSparc IIi",
1035
        .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
1036
        .fpu_version = 0x00000000,
1037
        .mmu_version = mmu_us_12,
1038
        .nwindows = 8,
1039
        .maxtl = 5,
1040
        .features = CPU_DEFAULT_FEATURES,
1041
    },
1042
    {
1043
        .name = "TI UltraSparc IIe",
1044
        .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
1045
        .fpu_version = 0x00000000,
1046
        .mmu_version = mmu_us_12,
1047
        .nwindows = 8,
1048
        .maxtl = 5,
1049
        .features = CPU_DEFAULT_FEATURES,
1050
    },
1051
    {
1052
        .name = "Sun UltraSparc III",
1053
        .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
1054
        .fpu_version = 0x00000000,
1055
        .mmu_version = mmu_us_12,
1056
        .nwindows = 8,
1057
        .maxtl = 5,
1058
        .features = CPU_DEFAULT_FEATURES,
1059
    },
1060
    {
1061
        .name = "Sun UltraSparc III Cu",
1062
        .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
1063
        .fpu_version = 0x00000000,
1064
        .mmu_version = mmu_us_3,
1065
        .nwindows = 8,
1066
        .maxtl = 5,
1067
        .features = CPU_DEFAULT_FEATURES,
1068
    },
1069
    {
1070
        .name = "Sun UltraSparc IIIi",
1071
        .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
1072
        .fpu_version = 0x00000000,
1073
        .mmu_version = mmu_us_12,
1074
        .nwindows = 8,
1075
        .maxtl = 5,
1076
        .features = CPU_DEFAULT_FEATURES,
1077
    },
1078
    {
1079
        .name = "Sun UltraSparc IV",
1080
        .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
1081
        .fpu_version = 0x00000000,
1082
        .mmu_version = mmu_us_4,
1083
        .nwindows = 8,
1084
        .maxtl = 5,
1085
        .features = CPU_DEFAULT_FEATURES,
1086
    },
1087
    {
1088
        .name = "Sun UltraSparc IV+",
1089
        .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
1090
        .fpu_version = 0x00000000,
1091
        .mmu_version = mmu_us_12,
1092
        .nwindows = 8,
1093
        .maxtl = 5,
1094
        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
1095
    },
1096
    {
1097
        .name = "Sun UltraSparc IIIi+",
1098
        .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
1099
        .fpu_version = 0x00000000,
1100
        .mmu_version = mmu_us_3,
1101
        .nwindows = 8,
1102
        .maxtl = 5,
1103
        .features = CPU_DEFAULT_FEATURES,
1104
    },
1105
    {
1106
        .name = "Sun UltraSparc T1",
1107
        // defined in sparc_ifu_fdp.v and ctu.h
1108
        .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
1109
        .fpu_version = 0x00000000,
1110
        .mmu_version = mmu_sun4v,
1111
        .nwindows = 8,
1112
        .maxtl = 6,
1113
        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
1114
        | CPU_FEATURE_GL,
1115
    },
1116
    {
1117
        .name = "Sun UltraSparc T2",
1118
        // defined in tlu_asi_ctl.v and n2_revid_cust.v
1119
        .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
1120
        .fpu_version = 0x00000000,
1121
        .mmu_version = mmu_sun4v,
1122
        .nwindows = 8,
1123
        .maxtl = 6,
1124
        .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
1125
        | CPU_FEATURE_GL,
1126
    },
1127
    {
1128
        .name = "NEC UltraSparc I",
1129
        .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
1130
        .fpu_version = 0x00000000,
1131
        .mmu_version = mmu_us_12,
1132
        .nwindows = 8,
1133
        .maxtl = 5,
1134
        .features = CPU_DEFAULT_FEATURES,
1135
    },
1136
#else
1137
    {
1138
        .name = "Fujitsu MB86900",
1139
        .iu_version = 0x00 << 24, /* Impl 0, ver 0 */
1140
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1141
        .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */
1142
        .mmu_bm = 0x00004000,
1143
        .mmu_ctpr_mask = 0x007ffff0,
1144
        .mmu_cxr_mask = 0x0000003f,
1145
        .mmu_sfsr_mask = 0xffffffff,
1146
        .mmu_trcr_mask = 0xffffffff,
1147
        .nwindows = 7,
1148
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_FSMULD,
1149
    },
1150
    {
1151
        .name = "Fujitsu MB86904",
1152
        .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
1153
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1154
        .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
1155
        .mmu_bm = 0x00004000,
1156
        .mmu_ctpr_mask = 0x00ffffc0,
1157
        .mmu_cxr_mask = 0x000000ff,
1158
        .mmu_sfsr_mask = 0x00016fff,
1159
        .mmu_trcr_mask = 0x00ffffff,
1160
        .nwindows = 8,
1161
        .features = CPU_DEFAULT_FEATURES,
1162
    },
1163
    {
1164
        .name = "Fujitsu MB86907",
1165
        .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
1166
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1167
        .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
1168
        .mmu_bm = 0x00004000,
1169
        .mmu_ctpr_mask = 0xffffffc0,
1170
        .mmu_cxr_mask = 0x000000ff,
1171
        .mmu_sfsr_mask = 0x00016fff,
1172
        .mmu_trcr_mask = 0xffffffff,
1173
        .nwindows = 8,
1174
        .features = CPU_DEFAULT_FEATURES,
1175
    },
1176
    {
1177
        .name = "LSI L64811",
1178
        .iu_version = 0x10 << 24, /* Impl 1, ver 0 */
1179
        .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */
1180
        .mmu_version = 0x10 << 24,
1181
        .mmu_bm = 0x00004000,
1182
        .mmu_ctpr_mask = 0x007ffff0,
1183
        .mmu_cxr_mask = 0x0000003f,
1184
        .mmu_sfsr_mask = 0xffffffff,
1185
        .mmu_trcr_mask = 0xffffffff,
1186
        .nwindows = 8,
1187
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1188
        CPU_FEATURE_FSMULD,
1189
    },
1190
    {
1191
        .name = "Cypress CY7C601",
1192
        .iu_version = 0x11 << 24, /* Impl 1, ver 1 */
1193
        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
1194
        .mmu_version = 0x10 << 24,
1195
        .mmu_bm = 0x00004000,
1196
        .mmu_ctpr_mask = 0x007ffff0,
1197
        .mmu_cxr_mask = 0x0000003f,
1198
        .mmu_sfsr_mask = 0xffffffff,
1199
        .mmu_trcr_mask = 0xffffffff,
1200
        .nwindows = 8,
1201
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1202
        CPU_FEATURE_FSMULD,
1203
    },
1204
    {
1205
        .name = "Cypress CY7C611",
1206
        .iu_version = 0x13 << 24, /* Impl 1, ver 3 */
1207
        .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
1208
        .mmu_version = 0x10 << 24,
1209
        .mmu_bm = 0x00004000,
1210
        .mmu_ctpr_mask = 0x007ffff0,
1211
        .mmu_cxr_mask = 0x0000003f,
1212
        .mmu_sfsr_mask = 0xffffffff,
1213
        .mmu_trcr_mask = 0xffffffff,
1214
        .nwindows = 8,
1215
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1216
        CPU_FEATURE_FSMULD,
1217
    },
1218
    {
1219
        .name = "TI SuperSparc II",
1220
        .iu_version = 0x40000000,
1221
        .fpu_version = 0 << 17,
1222
        .mmu_version = 0x04000000,
1223
        .mmu_bm = 0x00002000,
1224
        .mmu_ctpr_mask = 0xffffffc0,
1225
        .mmu_cxr_mask = 0x0000ffff,
1226
        .mmu_sfsr_mask = 0xffffffff,
1227
        .mmu_trcr_mask = 0xffffffff,
1228
        .nwindows = 8,
1229
        .features = CPU_DEFAULT_FEATURES,
1230
    },
1231
    {
1232
        .name = "TI MicroSparc I",
1233
        .iu_version = 0x41000000,
1234
        .fpu_version = 4 << 17,
1235
        .mmu_version = 0x41000000,
1236
        .mmu_bm = 0x00004000,
1237
        .mmu_ctpr_mask = 0x007ffff0,
1238
        .mmu_cxr_mask = 0x0000003f,
1239
        .mmu_sfsr_mask = 0x00016fff,
1240
        .mmu_trcr_mask = 0x0000003f,
1241
        .nwindows = 7,
1242
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
1243
        CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
1244
        CPU_FEATURE_FMUL,
1245
    },
1246
    {
1247
        .name = "TI MicroSparc II",
1248
        .iu_version = 0x42000000,
1249
        .fpu_version = 4 << 17,
1250
        .mmu_version = 0x02000000,
1251
        .mmu_bm = 0x00004000,
1252
        .mmu_ctpr_mask = 0x00ffffc0,
1253
        .mmu_cxr_mask = 0x000000ff,
1254
        .mmu_sfsr_mask = 0x00016fff,
1255
        .mmu_trcr_mask = 0x00ffffff,
1256
        .nwindows = 8,
1257
        .features = CPU_DEFAULT_FEATURES,
1258
    },
1259
    {
1260
        .name = "TI MicroSparc IIep",
1261
        .iu_version = 0x42000000,
1262
        .fpu_version = 4 << 17,
1263
        .mmu_version = 0x04000000,
1264
        .mmu_bm = 0x00004000,
1265
        .mmu_ctpr_mask = 0x00ffffc0,
1266
        .mmu_cxr_mask = 0x000000ff,
1267
        .mmu_sfsr_mask = 0x00016bff,
1268
        .mmu_trcr_mask = 0x00ffffff,
1269
        .nwindows = 8,
1270
        .features = CPU_DEFAULT_FEATURES,
1271
    },
1272
    {
1273
        .name = "TI SuperSparc 40", // STP1020NPGA
1274
        .iu_version = 0x41000000,
1275
        .fpu_version = 0 << 17,
1276
        .mmu_version = 0x00000000,
1277
        .mmu_bm = 0x00002000,
1278
        .mmu_ctpr_mask = 0xffffffc0,
1279
        .mmu_cxr_mask = 0x0000ffff,
1280
        .mmu_sfsr_mask = 0xffffffff,
1281
        .mmu_trcr_mask = 0xffffffff,
1282
        .nwindows = 8,
1283
        .features = CPU_DEFAULT_FEATURES,
1284
    },
1285
    {
1286
        .name = "TI SuperSparc 50", // STP1020PGA
1287
        .iu_version = 0x40000000,
1288
        .fpu_version = 0 << 17,
1289
        .mmu_version = 0x04000000,
1290
        .mmu_bm = 0x00002000,
1291
        .mmu_ctpr_mask = 0xffffffc0,
1292
        .mmu_cxr_mask = 0x0000ffff,
1293
        .mmu_sfsr_mask = 0xffffffff,
1294
        .mmu_trcr_mask = 0xffffffff,
1295
        .nwindows = 8,
1296
        .features = CPU_DEFAULT_FEATURES,
1297
    },
1298
    {
1299
        .name = "TI SuperSparc 51",
1300
        .iu_version = 0x43000000,
1301
        .fpu_version = 0 << 17,
1302
        .mmu_version = 0x04000000,
1303
        .mmu_bm = 0x00002000,
1304
        .mmu_ctpr_mask = 0xffffffc0,
1305
        .mmu_cxr_mask = 0x0000ffff,
1306
        .mmu_sfsr_mask = 0xffffffff,
1307
        .mmu_trcr_mask = 0xffffffff,
1308
        .nwindows = 8,
1309
        .features = CPU_DEFAULT_FEATURES,
1310
    },
1311
    {
1312
        .name = "TI SuperSparc 60", // STP1020APGA
1313
        .iu_version = 0x40000000,
1314
        .fpu_version = 0 << 17,
1315
        .mmu_version = 0x03000000,
1316
        .mmu_bm = 0x00002000,
1317
        .mmu_ctpr_mask = 0xffffffc0,
1318
        .mmu_cxr_mask = 0x0000ffff,
1319
        .mmu_sfsr_mask = 0xffffffff,
1320
        .mmu_trcr_mask = 0xffffffff,
1321
        .nwindows = 8,
1322
        .features = CPU_DEFAULT_FEATURES,
1323
    },
1324
    {
1325
        .name = "TI SuperSparc 61",
1326
        .iu_version = 0x44000000,
1327
        .fpu_version = 0 << 17,
1328
        .mmu_version = 0x04000000,
1329
        .mmu_bm = 0x00002000,
1330
        .mmu_ctpr_mask = 0xffffffc0,
1331
        .mmu_cxr_mask = 0x0000ffff,
1332
        .mmu_sfsr_mask = 0xffffffff,
1333
        .mmu_trcr_mask = 0xffffffff,
1334
        .nwindows = 8,
1335
        .features = CPU_DEFAULT_FEATURES,
1336
    },
1337
    {
1338
        .name = "Ross RT625",
1339
        .iu_version = 0x1e000000,
1340
        .fpu_version = 1 << 17,
1341
        .mmu_version = 0x1e000000,
1342
        .mmu_bm = 0x00004000,
1343
        .mmu_ctpr_mask = 0x007ffff0,
1344
        .mmu_cxr_mask = 0x0000003f,
1345
        .mmu_sfsr_mask = 0xffffffff,
1346
        .mmu_trcr_mask = 0xffffffff,
1347
        .nwindows = 8,
1348
        .features = CPU_DEFAULT_FEATURES,
1349
    },
1350
    {
1351
        .name = "Ross RT620",
1352
        .iu_version = 0x1f000000,
1353
        .fpu_version = 1 << 17,
1354
        .mmu_version = 0x1f000000,
1355
        .mmu_bm = 0x00004000,
1356
        .mmu_ctpr_mask = 0x007ffff0,
1357
        .mmu_cxr_mask = 0x0000003f,
1358
        .mmu_sfsr_mask = 0xffffffff,
1359
        .mmu_trcr_mask = 0xffffffff,
1360
        .nwindows = 8,
1361
        .features = CPU_DEFAULT_FEATURES,
1362
    },
1363
    {
1364
        .name = "BIT B5010",
1365
        .iu_version = 0x20000000,
1366
        .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */
1367
        .mmu_version = 0x20000000,
1368
        .mmu_bm = 0x00004000,
1369
        .mmu_ctpr_mask = 0x007ffff0,
1370
        .mmu_cxr_mask = 0x0000003f,
1371
        .mmu_sfsr_mask = 0xffffffff,
1372
        .mmu_trcr_mask = 0xffffffff,
1373
        .nwindows = 8,
1374
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_FSQRT |
1375
        CPU_FEATURE_FSMULD,
1376
    },
1377
    {
1378
        .name = "Matsushita MN10501",
1379
        .iu_version = 0x50000000,
1380
        .fpu_version = 0 << 17,
1381
        .mmu_version = 0x50000000,
1382
        .mmu_bm = 0x00004000,
1383
        .mmu_ctpr_mask = 0x007ffff0,
1384
        .mmu_cxr_mask = 0x0000003f,
1385
        .mmu_sfsr_mask = 0xffffffff,
1386
        .mmu_trcr_mask = 0xffffffff,
1387
        .nwindows = 8,
1388
        .features = CPU_FEATURE_FLOAT | CPU_FEATURE_MUL | CPU_FEATURE_FSQRT |
1389
        CPU_FEATURE_FSMULD,
1390
    },
1391
    {
1392
        .name = "Weitek W8601",
1393
        .iu_version = 0x90 << 24, /* Impl 9, ver 0 */
1394
        .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */
1395
        .mmu_version = 0x10 << 24,
1396
        .mmu_bm = 0x00004000,
1397
        .mmu_ctpr_mask = 0x007ffff0,
1398
        .mmu_cxr_mask = 0x0000003f,
1399
        .mmu_sfsr_mask = 0xffffffff,
1400
        .mmu_trcr_mask = 0xffffffff,
1401
        .nwindows = 8,
1402
        .features = CPU_DEFAULT_FEATURES,
1403
    },
1404
    {
1405
        .name = "LEON2",
1406
        .iu_version = 0xf2000000,
1407
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1408
        .mmu_version = 0xf2000000,
1409
        .mmu_bm = 0x00004000,
1410
        .mmu_ctpr_mask = 0x007ffff0,
1411
        .mmu_cxr_mask = 0x0000003f,
1412
        .mmu_sfsr_mask = 0xffffffff,
1413
        .mmu_trcr_mask = 0xffffffff,
1414
        .nwindows = 8,
1415
        .features = CPU_DEFAULT_FEATURES,
1416
    },
1417
    {
1418
        .name = "LEON3",
1419
        .iu_version = 0xf3000000,
1420
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
1421
        .mmu_version = 0xf3000000,
1422
        .mmu_bm = 0x00004000,
1423
        .mmu_ctpr_mask = 0x007ffff0,
1424
        .mmu_cxr_mask = 0x0000003f,
1425
        .mmu_sfsr_mask = 0xffffffff,
1426
        .mmu_trcr_mask = 0xffffffff,
1427
        .nwindows = 8,
1428
        .features = CPU_DEFAULT_FEATURES,
1429
    },
1430
#endif
1431
};
1432

    
1433
static const char * const feature_name[] = {
1434
    "float",
1435
    "float128",
1436
    "swap",
1437
    "mul",
1438
    "div",
1439
    "flush",
1440
    "fsqrt",
1441
    "fmul",
1442
    "vis1",
1443
    "vis2",
1444
    "fsmuld",
1445
    "hypv",
1446
    "cmt",
1447
    "gl",
1448
};
1449

    
1450
static void print_features(FILE *f,
1451
                           int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1452
                           uint32_t features, const char *prefix)
1453
{
1454
    unsigned int i;
1455

    
1456
    for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1457
        if (feature_name[i] && (features & (1 << i))) {
1458
            if (prefix)
1459
                (*cpu_fprintf)(f, "%s", prefix);
1460
            (*cpu_fprintf)(f, "%s ", feature_name[i]);
1461
        }
1462
}
1463

    
1464
static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
1465
{
1466
    unsigned int i;
1467

    
1468
    for (i = 0; i < ARRAY_SIZE(feature_name); i++)
1469
        if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
1470
            *features |= 1 << i;
1471
            return;
1472
        }
1473
    fprintf(stderr, "CPU feature %s not found\n", flagname);
1474
}
1475

    
1476
static int cpu_sparc_find_by_name(sparc_def_t *cpu_def, const char *cpu_model)
1477
{
1478
    unsigned int i;
1479
    const sparc_def_t *def = NULL;
1480
    char *s = strdup(cpu_model);
1481
    char *featurestr, *name = strtok(s, ",");
1482
    uint32_t plus_features = 0;
1483
    uint32_t minus_features = 0;
1484
    long long iu_version;
1485
    uint32_t fpu_version, mmu_version, nwindows;
1486

    
1487
    for (i = 0; i < sizeof(sparc_defs) / sizeof(sparc_def_t); i++) {
1488
        if (strcasecmp(name, sparc_defs[i].name) == 0) {
1489
            def = &sparc_defs[i];
1490
        }
1491
    }
1492
    if (!def)
1493
        goto error;
1494
    memcpy(cpu_def, def, sizeof(*def));
1495

    
1496
    featurestr = strtok(NULL, ",");
1497
    while (featurestr) {
1498
        char *val;
1499

    
1500
        if (featurestr[0] == '+') {
1501
            add_flagname_to_bitmaps(featurestr + 1, &plus_features);
1502
        } else if (featurestr[0] == '-') {
1503
            add_flagname_to_bitmaps(featurestr + 1, &minus_features);
1504
        } else if ((val = strchr(featurestr, '='))) {
1505
            *val = 0; val++;
1506
            if (!strcmp(featurestr, "iu_version")) {
1507
                char *err;
1508

    
1509
                iu_version = strtoll(val, &err, 0);
1510
                if (!*val || *err) {
1511
                    fprintf(stderr, "bad numerical value %s\n", val);
1512
                    goto error;
1513
                }
1514
                cpu_def->iu_version = iu_version;
1515
#ifdef DEBUG_FEATURES
1516
                fprintf(stderr, "iu_version %llx\n", iu_version);
1517
#endif
1518
            } else if (!strcmp(featurestr, "fpu_version")) {
1519
                char *err;
1520

    
1521
                fpu_version = strtol(val, &err, 0);
1522
                if (!*val || *err) {
1523
                    fprintf(stderr, "bad numerical value %s\n", val);
1524
                    goto error;
1525
                }
1526
                cpu_def->fpu_version = fpu_version;
1527
#ifdef DEBUG_FEATURES
1528
                fprintf(stderr, "fpu_version %llx\n", fpu_version);
1529
#endif
1530
            } else if (!strcmp(featurestr, "mmu_version")) {
1531
                char *err;
1532

    
1533
                mmu_version = strtol(val, &err, 0);
1534
                if (!*val || *err) {
1535
                    fprintf(stderr, "bad numerical value %s\n", val);
1536
                    goto error;
1537
                }
1538
                cpu_def->mmu_version = mmu_version;
1539
#ifdef DEBUG_FEATURES
1540
                fprintf(stderr, "mmu_version %llx\n", mmu_version);
1541
#endif
1542
            } else if (!strcmp(featurestr, "nwindows")) {
1543
                char *err;
1544

    
1545
                nwindows = strtol(val, &err, 0);
1546
                if (!*val || *err || nwindows > MAX_NWINDOWS ||
1547
                    nwindows < MIN_NWINDOWS) {
1548
                    fprintf(stderr, "bad numerical value %s\n", val);
1549
                    goto error;
1550
                }
1551
                cpu_def->nwindows = nwindows;
1552
#ifdef DEBUG_FEATURES
1553
                fprintf(stderr, "nwindows %d\n", nwindows);
1554
#endif
1555
            } else {
1556
                fprintf(stderr, "unrecognized feature %s\n", featurestr);
1557
                goto error;
1558
            }
1559
        } else {
1560
            fprintf(stderr, "feature string `%s' not in format "
1561
                    "(+feature|-feature|feature=xyz)\n", featurestr);
1562
            goto error;
1563
        }
1564
        featurestr = strtok(NULL, ",");
1565
    }
1566
    cpu_def->features |= plus_features;
1567
    cpu_def->features &= ~minus_features;
1568
#ifdef DEBUG_FEATURES
1569
    print_features(stderr, fprintf, cpu_def->features, NULL);
1570
#endif
1571
    free(s);
1572
    return 0;
1573

    
1574
 error:
1575
    free(s);
1576
    return -1;
1577
}
1578

    
1579
void sparc_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
1580
{
1581
    unsigned int i;
1582

    
1583
    for (i = 0; i < sizeof(sparc_defs) / sizeof(sparc_def_t); i++) {
1584
        (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x NWINS %d ",
1585
                       sparc_defs[i].name,
1586
                       sparc_defs[i].iu_version,
1587
                       sparc_defs[i].fpu_version,
1588
                       sparc_defs[i].mmu_version,
1589
                       sparc_defs[i].nwindows);
1590
        print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
1591
                       ~sparc_defs[i].features, "-");
1592
        print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
1593
                       sparc_defs[i].features, "+");
1594
        (*cpu_fprintf)(f, "\n");
1595
    }
1596
    (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
1597
    print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
1598
    (*cpu_fprintf)(f, "\n");
1599
    (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
1600
    print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
1601
    (*cpu_fprintf)(f, "\n");
1602
    (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
1603
                   "fpu_version mmu_version nwindows\n");
1604
}
1605

    
1606
#define GET_FLAG(a,b) ((env->psr & a)?b:'-')
1607

    
1608
void cpu_dump_state(CPUState *env, FILE *f,
1609
                    int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
1610
                    int flags)
1611
{
1612
    int i, x;
1613

    
1614
    cpu_fprintf(f, "pc: " TARGET_FMT_lx "  npc: " TARGET_FMT_lx "\n", env->pc,
1615
                env->npc);
1616
    cpu_fprintf(f, "General Registers:\n");
1617
    for (i = 0; i < 4; i++)
1618
        cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
1619
    cpu_fprintf(f, "\n");
1620
    for (; i < 8; i++)
1621
        cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
1622
    cpu_fprintf(f, "\nCurrent Register Window:\n");
1623
    for (x = 0; x < 3; x++) {
1624
        for (i = 0; i < 4; i++)
1625
            cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
1626
                    (x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i,
1627
                    env->regwptr[i + x * 8]);
1628
        cpu_fprintf(f, "\n");
1629
        for (; i < 8; i++)
1630
            cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
1631
                    (x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i,
1632
                    env->regwptr[i + x * 8]);
1633
        cpu_fprintf(f, "\n");
1634
    }
1635
    cpu_fprintf(f, "\nFloating Point Registers:\n");
1636
    for (i = 0; i < 32; i++) {
1637
        if ((i & 3) == 0)
1638
            cpu_fprintf(f, "%%f%02d:", i);
1639
        cpu_fprintf(f, " %016f", *(float *)&env->fpr[i]);
1640
        if ((i & 3) == 3)
1641
            cpu_fprintf(f, "\n");
1642
    }
1643
#ifdef TARGET_SPARC64
1644
    cpu_fprintf(f, "pstate: 0x%08x ccr: 0x%02x asi: 0x%02x tl: %d fprs: %d\n",
1645
                env->pstate, GET_CCR(env), env->asi, env->tl, env->fprs);
1646
    cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate %d "
1647
                "cleanwin %d cwp %d\n",
1648
                env->cansave, env->canrestore, env->otherwin, env->wstate,
1649
                env->cleanwin, env->nwindows - 1 - env->cwp);
1650
#else
1651
    cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n",
1652
                GET_PSR(env), GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'),
1653
                GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'),
1654
                env->psrs?'S':'-', env->psrps?'P':'-',
1655
                env->psret?'E':'-', env->wim);
1656
#endif
1657
    cpu_fprintf(f, "fsr: 0x%08x\n", GET_FSR32(env));
1658
}
1659

    
1660
#ifdef TARGET_SPARC64
1661
#if !defined(CONFIG_USER_ONLY)
1662
#include "qemu-common.h"
1663
#include "hw/irq.h"
1664
#include "qemu-timer.h"
1665
#endif
1666

    
1667
void helper_tick_set_count(void *opaque, uint64_t count)
1668
{
1669
#if !defined(CONFIG_USER_ONLY)
1670
    ptimer_set_count(opaque, -count);
1671
#endif
1672
}
1673

    
1674
uint64_t helper_tick_get_count(void *opaque)
1675
{
1676
#if !defined(CONFIG_USER_ONLY)
1677
    return -ptimer_get_count(opaque);
1678
#else
1679
    return 0;
1680
#endif
1681
}
1682

    
1683
void helper_tick_set_limit(void *opaque, uint64_t limit)
1684
{
1685
#if !defined(CONFIG_USER_ONLY)
1686
    ptimer_set_limit(opaque, -limit, 0);
1687
#endif
1688
}
1689
#endif