Statistics
| Branch: | Revision:

root / target-sparc / op_helper.c @ e18231a3

History | View | Annotate | Download (86.8 kB)

1
#include "exec.h"
2
#include "host-utils.h"
3
#include "helper.h"
4
#if !defined(CONFIG_USER_ONLY)
5
#include "softmmu_exec.h"
6
#endif /* !defined(CONFIG_USER_ONLY) */
7

    
8
//#define DEBUG_MMU
9
//#define DEBUG_MXCC
10
//#define DEBUG_UNALIGNED
11
//#define DEBUG_UNASSIGNED
12
//#define DEBUG_ASI
13
//#define DEBUG_PCALL
14

    
15
#ifdef DEBUG_MMU
16
#define DPRINTF_MMU(fmt, args...) \
17
do { printf("MMU: " fmt , ##args); } while (0)
18
#else
19
#define DPRINTF_MMU(fmt, args...) do {} while (0)
20
#endif
21

    
22
#ifdef DEBUG_MXCC
23
#define DPRINTF_MXCC(fmt, args...) \
24
do { printf("MXCC: " fmt , ##args); } while (0)
25
#else
26
#define DPRINTF_MXCC(fmt, args...) do {} while (0)
27
#endif
28

    
29
#ifdef DEBUG_ASI
30
#define DPRINTF_ASI(fmt, args...) \
31
do { printf("ASI: " fmt , ##args); } while (0)
32
#else
33
#define DPRINTF_ASI(fmt, args...) do {} while (0)
34
#endif
35

    
36
#ifdef TARGET_SPARC64
37
#ifndef TARGET_ABI32
38
#define AM_CHECK(env1) ((env1)->pstate & PS_AM)
39
#else
40
#define AM_CHECK(env1) (1)
41
#endif
42
#endif
43

    
44
static inline void address_mask(CPUState *env1, target_ulong *addr)
45
{
46
#ifdef TARGET_SPARC64
47
    if (AM_CHECK(env1))
48
        *addr &= 0xffffffffULL;
49
#endif
50
}
51

    
52
void raise_exception(int tt)
53
{
54
    env->exception_index = tt;
55
    cpu_loop_exit();
56
}
57

    
58
static inline void set_cwp(int new_cwp)
59
{
60
    cpu_set_cwp(env, new_cwp);
61
}
62

    
63
void helper_check_align(target_ulong addr, uint32_t align)
64
{
65
    if (addr & align) {
66
#ifdef DEBUG_UNALIGNED
67
    printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
68
           "\n", addr, env->pc);
69
#endif
70
        raise_exception(TT_UNALIGNED);
71
    }
72
}
73

    
74
#define F_HELPER(name, p) void helper_f##name##p(void)
75

    
76
#define F_BINOP(name)                                           \
77
    float32 helper_f ## name ## s (float32 src1, float32 src2)  \
78
    {                                                           \
79
        return float32_ ## name (src1, src2, &env->fp_status);  \
80
    }                                                           \
81
    F_HELPER(name, d)                                           \
82
    {                                                           \
83
        DT0 = float64_ ## name (DT0, DT1, &env->fp_status);     \
84
    }                                                           \
85
    F_HELPER(name, q)                                           \
86
    {                                                           \
87
        QT0 = float128_ ## name (QT0, QT1, &env->fp_status);    \
88
    }
89

    
90
F_BINOP(add);
91
F_BINOP(sub);
92
F_BINOP(mul);
93
F_BINOP(div);
94
#undef F_BINOP
95

    
96
void helper_fsmuld(float32 src1, float32 src2)
97
{
98
    DT0 = float64_mul(float32_to_float64(src1, &env->fp_status),
99
                      float32_to_float64(src2, &env->fp_status),
100
                      &env->fp_status);
101
}
102

    
103
void helper_fdmulq(void)
104
{
105
    QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status),
106
                       float64_to_float128(DT1, &env->fp_status),
107
                       &env->fp_status);
108
}
109

    
110
float32 helper_fnegs(float32 src)
111
{
112
    return float32_chs(src);
113
}
114

    
115
#ifdef TARGET_SPARC64
116
F_HELPER(neg, d)
117
{
118
    DT0 = float64_chs(DT1);
119
}
120

    
121
F_HELPER(neg, q)
122
{
123
    QT0 = float128_chs(QT1);
124
}
125
#endif
126

    
127
/* Integer to float conversion.  */
128
float32 helper_fitos(int32_t src)
129
{
130
    return int32_to_float32(src, &env->fp_status);
131
}
132

    
133
void helper_fitod(int32_t src)
134
{
135
    DT0 = int32_to_float64(src, &env->fp_status);
136
}
137

    
138
void helper_fitoq(int32_t src)
139
{
140
    QT0 = int32_to_float128(src, &env->fp_status);
141
}
142

    
143
#ifdef TARGET_SPARC64
144
float32 helper_fxtos(void)
145
{
146
    return int64_to_float32(*((int64_t *)&DT1), &env->fp_status);
147
}
148

    
149
F_HELPER(xto, d)
150
{
151
    DT0 = int64_to_float64(*((int64_t *)&DT1), &env->fp_status);
152
}
153

    
154
F_HELPER(xto, q)
155
{
156
    QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status);
157
}
158
#endif
159
#undef F_HELPER
160

    
161
/* floating point conversion */
162
float32 helper_fdtos(void)
163
{
164
    return float64_to_float32(DT1, &env->fp_status);
165
}
166

    
167
void helper_fstod(float32 src)
168
{
169
    DT0 = float32_to_float64(src, &env->fp_status);
170
}
171

    
172
float32 helper_fqtos(void)
173
{
174
    return float128_to_float32(QT1, &env->fp_status);
175
}
176

    
177
void helper_fstoq(float32 src)
178
{
179
    QT0 = float32_to_float128(src, &env->fp_status);
180
}
181

    
182
void helper_fqtod(void)
183
{
184
    DT0 = float128_to_float64(QT1, &env->fp_status);
185
}
186

    
187
void helper_fdtoq(void)
188
{
189
    QT0 = float64_to_float128(DT1, &env->fp_status);
190
}
191

    
192
/* Float to integer conversion.  */
193
int32_t helper_fstoi(float32 src)
194
{
195
    return float32_to_int32_round_to_zero(src, &env->fp_status);
196
}
197

    
198
int32_t helper_fdtoi(void)
199
{
200
    return float64_to_int32_round_to_zero(DT1, &env->fp_status);
201
}
202

    
203
int32_t helper_fqtoi(void)
204
{
205
    return float128_to_int32_round_to_zero(QT1, &env->fp_status);
206
}
207

    
208
#ifdef TARGET_SPARC64
209
void helper_fstox(float32 src)
210
{
211
    *((int64_t *)&DT0) = float32_to_int64_round_to_zero(src, &env->fp_status);
212
}
213

    
214
void helper_fdtox(void)
215
{
216
    *((int64_t *)&DT0) = float64_to_int64_round_to_zero(DT1, &env->fp_status);
217
}
218

    
219
void helper_fqtox(void)
220
{
221
    *((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status);
222
}
223

    
224
void helper_faligndata(void)
225
{
226
    uint64_t tmp;
227

    
228
    tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
229
    /* on many architectures a shift of 64 does nothing */
230
    if ((env->gsr & 7) != 0) {
231
        tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
232
    }
233
    *((uint64_t *)&DT0) = tmp;
234
}
235

    
236
#ifdef WORDS_BIGENDIAN
237
#define VIS_B64(n) b[7 - (n)]
238
#define VIS_W64(n) w[3 - (n)]
239
#define VIS_SW64(n) sw[3 - (n)]
240
#define VIS_L64(n) l[1 - (n)]
241
#define VIS_B32(n) b[3 - (n)]
242
#define VIS_W32(n) w[1 - (n)]
243
#else
244
#define VIS_B64(n) b[n]
245
#define VIS_W64(n) w[n]
246
#define VIS_SW64(n) sw[n]
247
#define VIS_L64(n) l[n]
248
#define VIS_B32(n) b[n]
249
#define VIS_W32(n) w[n]
250
#endif
251

    
252
typedef union {
253
    uint8_t b[8];
254
    uint16_t w[4];
255
    int16_t sw[4];
256
    uint32_t l[2];
257
    float64 d;
258
} vis64;
259

    
260
typedef union {
261
    uint8_t b[4];
262
    uint16_t w[2];
263
    uint32_t l;
264
    float32 f;
265
} vis32;
266

    
267
void helper_fpmerge(void)
268
{
269
    vis64 s, d;
270

    
271
    s.d = DT0;
272
    d.d = DT1;
273

    
274
    // Reverse calculation order to handle overlap
275
    d.VIS_B64(7) = s.VIS_B64(3);
276
    d.VIS_B64(6) = d.VIS_B64(3);
277
    d.VIS_B64(5) = s.VIS_B64(2);
278
    d.VIS_B64(4) = d.VIS_B64(2);
279
    d.VIS_B64(3) = s.VIS_B64(1);
280
    d.VIS_B64(2) = d.VIS_B64(1);
281
    d.VIS_B64(1) = s.VIS_B64(0);
282
    //d.VIS_B64(0) = d.VIS_B64(0);
283

    
284
    DT0 = d.d;
285
}
286

    
287
void helper_fmul8x16(void)
288
{
289
    vis64 s, d;
290
    uint32_t tmp;
291

    
292
    s.d = DT0;
293
    d.d = DT1;
294

    
295
#define PMUL(r)                                                 \
296
    tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r);       \
297
    if ((tmp & 0xff) > 0x7f)                                    \
298
        tmp += 0x100;                                           \
299
    d.VIS_W64(r) = tmp >> 8;
300

    
301
    PMUL(0);
302
    PMUL(1);
303
    PMUL(2);
304
    PMUL(3);
305
#undef PMUL
306

    
307
    DT0 = d.d;
308
}
309

    
310
void helper_fmul8x16al(void)
311
{
312
    vis64 s, d;
313
    uint32_t tmp;
314

    
315
    s.d = DT0;
316
    d.d = DT1;
317

    
318
#define PMUL(r)                                                 \
319
    tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r);       \
320
    if ((tmp & 0xff) > 0x7f)                                    \
321
        tmp += 0x100;                                           \
322
    d.VIS_W64(r) = tmp >> 8;
323

    
324
    PMUL(0);
325
    PMUL(1);
326
    PMUL(2);
327
    PMUL(3);
328
#undef PMUL
329

    
330
    DT0 = d.d;
331
}
332

    
333
void helper_fmul8x16au(void)
334
{
335
    vis64 s, d;
336
    uint32_t tmp;
337

    
338
    s.d = DT0;
339
    d.d = DT1;
340

    
341
#define PMUL(r)                                                 \
342
    tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r);       \
343
    if ((tmp & 0xff) > 0x7f)                                    \
344
        tmp += 0x100;                                           \
345
    d.VIS_W64(r) = tmp >> 8;
346

    
347
    PMUL(0);
348
    PMUL(1);
349
    PMUL(2);
350
    PMUL(3);
351
#undef PMUL
352

    
353
    DT0 = d.d;
354
}
355

    
356
void helper_fmul8sux16(void)
357
{
358
    vis64 s, d;
359
    uint32_t tmp;
360

    
361
    s.d = DT0;
362
    d.d = DT1;
363

    
364
#define PMUL(r)                                                         \
365
    tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8);       \
366
    if ((tmp & 0xff) > 0x7f)                                            \
367
        tmp += 0x100;                                                   \
368
    d.VIS_W64(r) = tmp >> 8;
369

    
370
    PMUL(0);
371
    PMUL(1);
372
    PMUL(2);
373
    PMUL(3);
374
#undef PMUL
375

    
376
    DT0 = d.d;
377
}
378

    
379
void helper_fmul8ulx16(void)
380
{
381
    vis64 s, d;
382
    uint32_t tmp;
383

    
384
    s.d = DT0;
385
    d.d = DT1;
386

    
387
#define PMUL(r)                                                         \
388
    tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2));        \
389
    if ((tmp & 0xff) > 0x7f)                                            \
390
        tmp += 0x100;                                                   \
391
    d.VIS_W64(r) = tmp >> 8;
392

    
393
    PMUL(0);
394
    PMUL(1);
395
    PMUL(2);
396
    PMUL(3);
397
#undef PMUL
398

    
399
    DT0 = d.d;
400
}
401

    
402
void helper_fmuld8sux16(void)
403
{
404
    vis64 s, d;
405
    uint32_t tmp;
406

    
407
    s.d = DT0;
408
    d.d = DT1;
409

    
410
#define PMUL(r)                                                         \
411
    tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8);       \
412
    if ((tmp & 0xff) > 0x7f)                                            \
413
        tmp += 0x100;                                                   \
414
    d.VIS_L64(r) = tmp;
415

    
416
    // Reverse calculation order to handle overlap
417
    PMUL(1);
418
    PMUL(0);
419
#undef PMUL
420

    
421
    DT0 = d.d;
422
}
423

    
424
void helper_fmuld8ulx16(void)
425
{
426
    vis64 s, d;
427
    uint32_t tmp;
428

    
429
    s.d = DT0;
430
    d.d = DT1;
431

    
432
#define PMUL(r)                                                         \
433
    tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2));        \
434
    if ((tmp & 0xff) > 0x7f)                                            \
435
        tmp += 0x100;                                                   \
436
    d.VIS_L64(r) = tmp;
437

    
438
    // Reverse calculation order to handle overlap
439
    PMUL(1);
440
    PMUL(0);
441
#undef PMUL
442

    
443
    DT0 = d.d;
444
}
445

    
446
void helper_fexpand(void)
447
{
448
    vis32 s;
449
    vis64 d;
450

    
451
    s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
452
    d.d = DT1;
453
    d.VIS_L64(0) = s.VIS_W32(0) << 4;
454
    d.VIS_L64(1) = s.VIS_W32(1) << 4;
455
    d.VIS_L64(2) = s.VIS_W32(2) << 4;
456
    d.VIS_L64(3) = s.VIS_W32(3) << 4;
457

    
458
    DT0 = d.d;
459
}
460

    
461
#define VIS_HELPER(name, F)                             \
462
    void name##16(void)                                 \
463
    {                                                   \
464
        vis64 s, d;                                     \
465
                                                        \
466
        s.d = DT0;                                      \
467
        d.d = DT1;                                      \
468
                                                        \
469
        d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0));   \
470
        d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1));   \
471
        d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2));   \
472
        d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3));   \
473
                                                        \
474
        DT0 = d.d;                                      \
475
    }                                                   \
476
                                                        \
477
    uint32_t name##16s(uint32_t src1, uint32_t src2)    \
478
    {                                                   \
479
        vis32 s, d;                                     \
480
                                                        \
481
        s.l = src1;                                     \
482
        d.l = src2;                                     \
483
                                                        \
484
        d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0));   \
485
        d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1));   \
486
                                                        \
487
        return d.l;                                     \
488
    }                                                   \
489
                                                        \
490
    void name##32(void)                                 \
491
    {                                                   \
492
        vis64 s, d;                                     \
493
                                                        \
494
        s.d = DT0;                                      \
495
        d.d = DT1;                                      \
496
                                                        \
497
        d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0));   \
498
        d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1));   \
499
                                                        \
500
        DT0 = d.d;                                      \
501
    }                                                   \
502
                                                        \
503
    uint32_t name##32s(uint32_t src1, uint32_t src2)    \
504
    {                                                   \
505
        vis32 s, d;                                     \
506
                                                        \
507
        s.l = src1;                                     \
508
        d.l = src2;                                     \
509
                                                        \
510
        d.l = F(d.l, s.l);                              \
511
                                                        \
512
        return d.l;                                     \
513
    }
514

    
515
#define FADD(a, b) ((a) + (b))
516
#define FSUB(a, b) ((a) - (b))
517
VIS_HELPER(helper_fpadd, FADD)
518
VIS_HELPER(helper_fpsub, FSUB)
519

    
520
#define VIS_CMPHELPER(name, F)                                        \
521
    void name##16(void)                                           \
522
    {                                                             \
523
        vis64 s, d;                                               \
524
                                                                  \
525
        s.d = DT0;                                                \
526
        d.d = DT1;                                                \
527
                                                                  \
528
        d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0))? 1: 0;       \
529
        d.VIS_W64(0) |= F(d.VIS_W64(1), s.VIS_W64(1))? 2: 0;      \
530
        d.VIS_W64(0) |= F(d.VIS_W64(2), s.VIS_W64(2))? 4: 0;      \
531
        d.VIS_W64(0) |= F(d.VIS_W64(3), s.VIS_W64(3))? 8: 0;      \
532
                                                                  \
533
        DT0 = d.d;                                                \
534
    }                                                             \
535
                                                                  \
536
    void name##32(void)                                           \
537
    {                                                             \
538
        vis64 s, d;                                               \
539
                                                                  \
540
        s.d = DT0;                                                \
541
        d.d = DT1;                                                \
542
                                                                  \
543
        d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0))? 1: 0;       \
544
        d.VIS_L64(0) |= F(d.VIS_L64(1), s.VIS_L64(1))? 2: 0;      \
545
                                                                  \
546
        DT0 = d.d;                                                \
547
    }
548

    
549
#define FCMPGT(a, b) ((a) > (b))
550
#define FCMPEQ(a, b) ((a) == (b))
551
#define FCMPLE(a, b) ((a) <= (b))
552
#define FCMPNE(a, b) ((a) != (b))
553

    
554
VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
555
VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
556
VIS_CMPHELPER(helper_fcmple, FCMPLE)
557
VIS_CMPHELPER(helper_fcmpne, FCMPNE)
558
#endif
559

    
560
void helper_check_ieee_exceptions(void)
561
{
562
    target_ulong status;
563

    
564
    status = get_float_exception_flags(&env->fp_status);
565
    if (status) {
566
        /* Copy IEEE 754 flags into FSR */
567
        if (status & float_flag_invalid)
568
            env->fsr |= FSR_NVC;
569
        if (status & float_flag_overflow)
570
            env->fsr |= FSR_OFC;
571
        if (status & float_flag_underflow)
572
            env->fsr |= FSR_UFC;
573
        if (status & float_flag_divbyzero)
574
            env->fsr |= FSR_DZC;
575
        if (status & float_flag_inexact)
576
            env->fsr |= FSR_NXC;
577

    
578
        if ((env->fsr & FSR_CEXC_MASK) & ((env->fsr & FSR_TEM_MASK) >> 23)) {
579
            /* Unmasked exception, generate a trap */
580
            env->fsr |= FSR_FTT_IEEE_EXCP;
581
            raise_exception(TT_FP_EXCP);
582
        } else {
583
            /* Accumulate exceptions */
584
            env->fsr |= (env->fsr & FSR_CEXC_MASK) << 5;
585
        }
586
    }
587
}
588

    
589
void helper_clear_float_exceptions(void)
590
{
591
    set_float_exception_flags(0, &env->fp_status);
592
}
593

    
594
float32 helper_fabss(float32 src)
595
{
596
    return float32_abs(src);
597
}
598

    
599
#ifdef TARGET_SPARC64
600
void helper_fabsd(void)
601
{
602
    DT0 = float64_abs(DT1);
603
}
604

    
605
void helper_fabsq(void)
606
{
607
    QT0 = float128_abs(QT1);
608
}
609
#endif
610

    
611
float32 helper_fsqrts(float32 src)
612
{
613
    return float32_sqrt(src, &env->fp_status);
614
}
615

    
616
void helper_fsqrtd(void)
617
{
618
    DT0 = float64_sqrt(DT1, &env->fp_status);
619
}
620

    
621
void helper_fsqrtq(void)
622
{
623
    QT0 = float128_sqrt(QT1, &env->fp_status);
624
}
625

    
626
#define GEN_FCMP(name, size, reg1, reg2, FS, TRAP)                      \
627
    void glue(helper_, name) (void)                                     \
628
    {                                                                   \
629
        target_ulong new_fsr;                                           \
630
                                                                        \
631
        env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS);                     \
632
        switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) {   \
633
        case float_relation_unordered:                                  \
634
            new_fsr = (FSR_FCC1 | FSR_FCC0) << FS;                      \
635
            if ((env->fsr & FSR_NVM) || TRAP) {                         \
636
                env->fsr |= new_fsr;                                    \
637
                env->fsr |= FSR_NVC;                                    \
638
                env->fsr |= FSR_FTT_IEEE_EXCP;                          \
639
                raise_exception(TT_FP_EXCP);                            \
640
            } else {                                                    \
641
                env->fsr |= FSR_NVA;                                    \
642
            }                                                           \
643
            break;                                                      \
644
        case float_relation_less:                                       \
645
            new_fsr = FSR_FCC0 << FS;                                   \
646
            break;                                                      \
647
        case float_relation_greater:                                    \
648
            new_fsr = FSR_FCC1 << FS;                                   \
649
            break;                                                      \
650
        default:                                                        \
651
            new_fsr = 0;                                                \
652
            break;                                                      \
653
        }                                                               \
654
        env->fsr |= new_fsr;                                            \
655
    }
656
#define GEN_FCMPS(name, size, FS, TRAP)                                 \
657
    void glue(helper_, name)(float32 src1, float32 src2)                \
658
    {                                                                   \
659
        target_ulong new_fsr;                                           \
660
                                                                        \
661
        env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS);                     \
662
        switch (glue(size, _compare) (src1, src2, &env->fp_status)) {   \
663
        case float_relation_unordered:                                  \
664
            new_fsr = (FSR_FCC1 | FSR_FCC0) << FS;                      \
665
            if ((env->fsr & FSR_NVM) || TRAP) {                         \
666
                env->fsr |= new_fsr;                                    \
667
                env->fsr |= FSR_NVC;                                    \
668
                env->fsr |= FSR_FTT_IEEE_EXCP;                          \
669
                raise_exception(TT_FP_EXCP);                            \
670
            } else {                                                    \
671
                env->fsr |= FSR_NVA;                                    \
672
            }                                                           \
673
            break;                                                      \
674
        case float_relation_less:                                       \
675
            new_fsr = FSR_FCC0 << FS;                                   \
676
            break;                                                      \
677
        case float_relation_greater:                                    \
678
            new_fsr = FSR_FCC1 << FS;                                   \
679
            break;                                                      \
680
        default:                                                        \
681
            new_fsr = 0;                                                \
682
            break;                                                      \
683
        }                                                               \
684
        env->fsr |= new_fsr;                                            \
685
    }
686

    
687
GEN_FCMPS(fcmps, float32, 0, 0);
688
GEN_FCMP(fcmpd, float64, DT0, DT1, 0, 0);
689

    
690
GEN_FCMPS(fcmpes, float32, 0, 1);
691
GEN_FCMP(fcmped, float64, DT0, DT1, 0, 1);
692

    
693
GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0);
694
GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1);
695

    
696
#ifdef TARGET_SPARC64
697
GEN_FCMPS(fcmps_fcc1, float32, 22, 0);
698
GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22, 0);
699
GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0);
700

    
701
GEN_FCMPS(fcmps_fcc2, float32, 24, 0);
702
GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24, 0);
703
GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0);
704

    
705
GEN_FCMPS(fcmps_fcc3, float32, 26, 0);
706
GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26, 0);
707
GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0);
708

    
709
GEN_FCMPS(fcmpes_fcc1, float32, 22, 1);
710
GEN_FCMP(fcmped_fcc1, float64, DT0, DT1, 22, 1);
711
GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1);
712

    
713
GEN_FCMPS(fcmpes_fcc2, float32, 24, 1);
714
GEN_FCMP(fcmped_fcc2, float64, DT0, DT1, 24, 1);
715
GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1);
716

    
717
GEN_FCMPS(fcmpes_fcc3, float32, 26, 1);
718
GEN_FCMP(fcmped_fcc3, float64, DT0, DT1, 26, 1);
719
GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1);
720
#endif
721
#undef GEN_FCMPS
722

    
723
#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) && \
724
    defined(DEBUG_MXCC)
725
static void dump_mxcc(CPUState *env)
726
{
727
    printf("mxccdata: %016llx %016llx %016llx %016llx\n",
728
           env->mxccdata[0], env->mxccdata[1],
729
           env->mxccdata[2], env->mxccdata[3]);
730
    printf("mxccregs: %016llx %016llx %016llx %016llx\n"
731
           "          %016llx %016llx %016llx %016llx\n",
732
           env->mxccregs[0], env->mxccregs[1],
733
           env->mxccregs[2], env->mxccregs[3],
734
           env->mxccregs[4], env->mxccregs[5],
735
           env->mxccregs[6], env->mxccregs[7]);
736
}
737
#endif
738

    
739
#if (defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)) \
740
    && defined(DEBUG_ASI)
741
static void dump_asi(const char *txt, target_ulong addr, int asi, int size,
742
                     uint64_t r1)
743
{
744
    switch (size)
745
    {
746
    case 1:
747
        DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %02" PRIx64 "\n", txt,
748
                    addr, asi, r1 & 0xff);
749
        break;
750
    case 2:
751
        DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %04" PRIx64 "\n", txt,
752
                    addr, asi, r1 & 0xffff);
753
        break;
754
    case 4:
755
        DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %08" PRIx64 "\n", txt,
756
                    addr, asi, r1 & 0xffffffff);
757
        break;
758
    case 8:
759
        DPRINTF_ASI("%s "TARGET_FMT_lx " asi 0x%02x = %016" PRIx64 "\n", txt,
760
                    addr, asi, r1);
761
        break;
762
    }
763
}
764
#endif
765

    
766
#ifndef TARGET_SPARC64
767
#ifndef CONFIG_USER_ONLY
768
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
769
{
770
    uint64_t ret = 0;
771
#if defined(DEBUG_MXCC) || defined(DEBUG_ASI)
772
    uint32_t last_addr = addr;
773
#endif
774

    
775
    helper_check_align(addr, size - 1);
776
    switch (asi) {
777
    case 2: /* SuperSparc MXCC registers */
778
        switch (addr) {
779
        case 0x01c00a00: /* MXCC control register */
780
            if (size == 8)
781
                ret = env->mxccregs[3];
782
            else
783
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
784
                             size);
785
            break;
786
        case 0x01c00a04: /* MXCC control register */
787
            if (size == 4)
788
                ret = env->mxccregs[3];
789
            else
790
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
791
                             size);
792
            break;
793
        case 0x01c00c00: /* Module reset register */
794
            if (size == 8) {
795
                ret = env->mxccregs[5];
796
                // should we do something here?
797
            } else
798
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
799
                             size);
800
            break;
801
        case 0x01c00f00: /* MBus port address register */
802
            if (size == 8)
803
                ret = env->mxccregs[7];
804
            else
805
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
806
                             size);
807
            break;
808
        default:
809
            DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
810
                         size);
811
            break;
812
        }
813
        DPRINTF_MXCC("asi = %d, size = %d, sign = %d, "
814
                     "addr = %08x -> ret = %" PRIx64 ","
815
                     "addr = %08x\n", asi, size, sign, last_addr, ret, addr);
816
#ifdef DEBUG_MXCC
817
        dump_mxcc(env);
818
#endif
819
        break;
820
    case 3: /* MMU probe */
821
        {
822
            int mmulev;
823

    
824
            mmulev = (addr >> 8) & 15;
825
            if (mmulev > 4)
826
                ret = 0;
827
            else
828
                ret = mmu_probe(env, addr, mmulev);
829
            DPRINTF_MMU("mmu_probe: 0x%08x (lev %d) -> 0x%08" PRIx64 "\n",
830
                        addr, mmulev, ret);
831
        }
832
        break;
833
    case 4: /* read MMU regs */
834
        {
835
            int reg = (addr >> 8) & 0x1f;
836

    
837
            ret = env->mmuregs[reg];
838
            if (reg == 3) /* Fault status cleared on read */
839
                env->mmuregs[3] = 0;
840
            else if (reg == 0x13) /* Fault status read */
841
                ret = env->mmuregs[3];
842
            else if (reg == 0x14) /* Fault address read */
843
                ret = env->mmuregs[4];
844
            DPRINTF_MMU("mmu_read: reg[%d] = 0x%08" PRIx64 "\n", reg, ret);
845
        }
846
        break;
847
    case 5: // Turbosparc ITLB Diagnostic
848
    case 6: // Turbosparc DTLB Diagnostic
849
    case 7: // Turbosparc IOTLB Diagnostic
850
        break;
851
    case 9: /* Supervisor code access */
852
        switch(size) {
853
        case 1:
854
            ret = ldub_code(addr);
855
            break;
856
        case 2:
857
            ret = lduw_code(addr);
858
            break;
859
        default:
860
        case 4:
861
            ret = ldl_code(addr);
862
            break;
863
        case 8:
864
            ret = ldq_code(addr);
865
            break;
866
        }
867
        break;
868
    case 0xa: /* User data access */
869
        switch(size) {
870
        case 1:
871
            ret = ldub_user(addr);
872
            break;
873
        case 2:
874
            ret = lduw_user(addr);
875
            break;
876
        default:
877
        case 4:
878
            ret = ldl_user(addr);
879
            break;
880
        case 8:
881
            ret = ldq_user(addr);
882
            break;
883
        }
884
        break;
885
    case 0xb: /* Supervisor data access */
886
        switch(size) {
887
        case 1:
888
            ret = ldub_kernel(addr);
889
            break;
890
        case 2:
891
            ret = lduw_kernel(addr);
892
            break;
893
        default:
894
        case 4:
895
            ret = ldl_kernel(addr);
896
            break;
897
        case 8:
898
            ret = ldq_kernel(addr);
899
            break;
900
        }
901
        break;
902
    case 0xc: /* I-cache tag */
903
    case 0xd: /* I-cache data */
904
    case 0xe: /* D-cache tag */
905
    case 0xf: /* D-cache data */
906
        break;
907
    case 0x20: /* MMU passthrough */
908
        switch(size) {
909
        case 1:
910
            ret = ldub_phys(addr);
911
            break;
912
        case 2:
913
            ret = lduw_phys(addr);
914
            break;
915
        default:
916
        case 4:
917
            ret = ldl_phys(addr);
918
            break;
919
        case 8:
920
            ret = ldq_phys(addr);
921
            break;
922
        }
923
        break;
924
    case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
925
        switch(size) {
926
        case 1:
927
            ret = ldub_phys((target_phys_addr_t)addr
928
                            | ((target_phys_addr_t)(asi & 0xf) << 32));
929
            break;
930
        case 2:
931
            ret = lduw_phys((target_phys_addr_t)addr
932
                            | ((target_phys_addr_t)(asi & 0xf) << 32));
933
            break;
934
        default:
935
        case 4:
936
            ret = ldl_phys((target_phys_addr_t)addr
937
                           | ((target_phys_addr_t)(asi & 0xf) << 32));
938
            break;
939
        case 8:
940
            ret = ldq_phys((target_phys_addr_t)addr
941
                           | ((target_phys_addr_t)(asi & 0xf) << 32));
942
            break;
943
        }
944
        break;
945
    case 0x30: // Turbosparc secondary cache diagnostic
946
    case 0x31: // Turbosparc RAM snoop
947
    case 0x32: // Turbosparc page table descriptor diagnostic
948
    case 0x39: /* data cache diagnostic register */
949
        ret = 0;
950
        break;
951
    case 8: /* User code access, XXX */
952
    default:
953
        do_unassigned_access(addr, 0, 0, asi, size);
954
        ret = 0;
955
        break;
956
    }
957
    if (sign) {
958
        switch(size) {
959
        case 1:
960
            ret = (int8_t) ret;
961
            break;
962
        case 2:
963
            ret = (int16_t) ret;
964
            break;
965
        case 4:
966
            ret = (int32_t) ret;
967
            break;
968
        default:
969
            break;
970
        }
971
    }
972
#ifdef DEBUG_ASI
973
    dump_asi("read ", last_addr, asi, size, ret);
974
#endif
975
    return ret;
976
}
977

    
978
void helper_st_asi(target_ulong addr, uint64_t val, int asi, int size)
979
{
980
    helper_check_align(addr, size - 1);
981
    switch(asi) {
982
    case 2: /* SuperSparc MXCC registers */
983
        switch (addr) {
984
        case 0x01c00000: /* MXCC stream data register 0 */
985
            if (size == 8)
986
                env->mxccdata[0] = val;
987
            else
988
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
989
                             size);
990
            break;
991
        case 0x01c00008: /* MXCC stream data register 1 */
992
            if (size == 8)
993
                env->mxccdata[1] = val;
994
            else
995
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
996
                             size);
997
            break;
998
        case 0x01c00010: /* MXCC stream data register 2 */
999
            if (size == 8)
1000
                env->mxccdata[2] = val;
1001
            else
1002
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1003
                             size);
1004
            break;
1005
        case 0x01c00018: /* MXCC stream data register 3 */
1006
            if (size == 8)
1007
                env->mxccdata[3] = val;
1008
            else
1009
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1010
                             size);
1011
            break;
1012
        case 0x01c00100: /* MXCC stream source */
1013
            if (size == 8)
1014
                env->mxccregs[0] = val;
1015
            else
1016
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1017
                             size);
1018
            env->mxccdata[0] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1019
                                        0);
1020
            env->mxccdata[1] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1021
                                        8);
1022
            env->mxccdata[2] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1023
                                        16);
1024
            env->mxccdata[3] = ldq_phys((env->mxccregs[0] & 0xffffffffULL) +
1025
                                        24);
1026
            break;
1027
        case 0x01c00200: /* MXCC stream destination */
1028
            if (size == 8)
1029
                env->mxccregs[1] = val;
1030
            else
1031
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1032
                             size);
1033
            stq_phys((env->mxccregs[1] & 0xffffffffULL) +  0,
1034
                     env->mxccdata[0]);
1035
            stq_phys((env->mxccregs[1] & 0xffffffffULL) +  8,
1036
                     env->mxccdata[1]);
1037
            stq_phys((env->mxccregs[1] & 0xffffffffULL) + 16,
1038
                     env->mxccdata[2]);
1039
            stq_phys((env->mxccregs[1] & 0xffffffffULL) + 24,
1040
                     env->mxccdata[3]);
1041
            break;
1042
        case 0x01c00a00: /* MXCC control register */
1043
            if (size == 8)
1044
                env->mxccregs[3] = val;
1045
            else
1046
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1047
                             size);
1048
            break;
1049
        case 0x01c00a04: /* MXCC control register */
1050
            if (size == 4)
1051
                env->mxccregs[3] = (env->mxccregs[3] & 0xffffffff00000000ULL)
1052
                    | val;
1053
            else
1054
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1055
                             size);
1056
            break;
1057
        case 0x01c00e00: /* MXCC error register  */
1058
            // writing a 1 bit clears the error
1059
            if (size == 8)
1060
                env->mxccregs[6] &= ~val;
1061
            else
1062
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1063
                             size);
1064
            break;
1065
        case 0x01c00f00: /* MBus port address register */
1066
            if (size == 8)
1067
                env->mxccregs[7] = val;
1068
            else
1069
                DPRINTF_MXCC("%08x: unimplemented access size: %d\n", addr,
1070
                             size);
1071
            break;
1072
        default:
1073
            DPRINTF_MXCC("%08x: unimplemented address, size: %d\n", addr,
1074
                         size);
1075
            break;
1076
        }
1077
        DPRINTF_MXCC("asi = %d, size = %d, addr = %08x, val = %" PRIx64 "\n",
1078
                     asi, size, addr, val);
1079
#ifdef DEBUG_MXCC
1080
        dump_mxcc(env);
1081
#endif
1082
        break;
1083
    case 3: /* MMU flush */
1084
        {
1085
            int mmulev;
1086

    
1087
            mmulev = (addr >> 8) & 15;
1088
            DPRINTF_MMU("mmu flush level %d\n", mmulev);
1089
            switch (mmulev) {
1090
            case 0: // flush page
1091
                tlb_flush_page(env, addr & 0xfffff000);
1092
                break;
1093
            case 1: // flush segment (256k)
1094
            case 2: // flush region (16M)
1095
            case 3: // flush context (4G)
1096
            case 4: // flush entire
1097
                tlb_flush(env, 1);
1098
                break;
1099
            default:
1100
                break;
1101
            }
1102
#ifdef DEBUG_MMU
1103
            dump_mmu(env);
1104
#endif
1105
        }
1106
        break;
1107
    case 4: /* write MMU regs */
1108
        {
1109
            int reg = (addr >> 8) & 0x1f;
1110
            uint32_t oldreg;
1111

    
1112
            oldreg = env->mmuregs[reg];
1113
            switch(reg) {
1114
            case 0: // Control Register
1115
                env->mmuregs[reg] = (env->mmuregs[reg] & 0xff000000) |
1116
                                    (val & 0x00ffffff);
1117
                // Mappings generated during no-fault mode or MMU
1118
                // disabled mode are invalid in normal mode
1119
                if ((oldreg & (MMU_E | MMU_NF | env->def->mmu_bm)) !=
1120
                    (env->mmuregs[reg] & (MMU_E | MMU_NF | env->def->mmu_bm)))
1121
                    tlb_flush(env, 1);
1122
                break;
1123
            case 1: // Context Table Pointer Register
1124
                env->mmuregs[reg] = val & env->def->mmu_ctpr_mask;
1125
                break;
1126
            case 2: // Context Register
1127
                env->mmuregs[reg] = val & env->def->mmu_cxr_mask;
1128
                if (oldreg != env->mmuregs[reg]) {
1129
                    /* we flush when the MMU context changes because
1130
                       QEMU has no MMU context support */
1131
                    tlb_flush(env, 1);
1132
                }
1133
                break;
1134
            case 3: // Synchronous Fault Status Register with Clear
1135
            case 4: // Synchronous Fault Address Register
1136
                break;
1137
            case 0x10: // TLB Replacement Control Register
1138
                env->mmuregs[reg] = val & env->def->mmu_trcr_mask;
1139
                break;
1140
            case 0x13: // Synchronous Fault Status Register with Read and Clear
1141
                env->mmuregs[3] = val & env->def->mmu_sfsr_mask;
1142
                break;
1143
            case 0x14: // Synchronous Fault Address Register
1144
                env->mmuregs[4] = val;
1145
                break;
1146
            default:
1147
                env->mmuregs[reg] = val;
1148
                break;
1149
            }
1150
            if (oldreg != env->mmuregs[reg]) {
1151
                DPRINTF_MMU("mmu change reg[%d]: 0x%08x -> 0x%08x\n",
1152
                            reg, oldreg, env->mmuregs[reg]);
1153
            }
1154
#ifdef DEBUG_MMU
1155
            dump_mmu(env);
1156
#endif
1157
        }
1158
        break;
1159
    case 5: // Turbosparc ITLB Diagnostic
1160
    case 6: // Turbosparc DTLB Diagnostic
1161
    case 7: // Turbosparc IOTLB Diagnostic
1162
        break;
1163
    case 0xa: /* User data access */
1164
        switch(size) {
1165
        case 1:
1166
            stb_user(addr, val);
1167
            break;
1168
        case 2:
1169
            stw_user(addr, val);
1170
            break;
1171
        default:
1172
        case 4:
1173
            stl_user(addr, val);
1174
            break;
1175
        case 8:
1176
            stq_user(addr, val);
1177
            break;
1178
        }
1179
        break;
1180
    case 0xb: /* Supervisor data access */
1181
        switch(size) {
1182
        case 1:
1183
            stb_kernel(addr, val);
1184
            break;
1185
        case 2:
1186
            stw_kernel(addr, val);
1187
            break;
1188
        default:
1189
        case 4:
1190
            stl_kernel(addr, val);
1191
            break;
1192
        case 8:
1193
            stq_kernel(addr, val);
1194
            break;
1195
        }
1196
        break;
1197
    case 0xc: /* I-cache tag */
1198
    case 0xd: /* I-cache data */
1199
    case 0xe: /* D-cache tag */
1200
    case 0xf: /* D-cache data */
1201
    case 0x10: /* I/D-cache flush page */
1202
    case 0x11: /* I/D-cache flush segment */
1203
    case 0x12: /* I/D-cache flush region */
1204
    case 0x13: /* I/D-cache flush context */
1205
    case 0x14: /* I/D-cache flush user */
1206
        break;
1207
    case 0x17: /* Block copy, sta access */
1208
        {
1209
            // val = src
1210
            // addr = dst
1211
            // copy 32 bytes
1212
            unsigned int i;
1213
            uint32_t src = val & ~3, dst = addr & ~3, temp;
1214

    
1215
            for (i = 0; i < 32; i += 4, src += 4, dst += 4) {
1216
                temp = ldl_kernel(src);
1217
                stl_kernel(dst, temp);
1218
            }
1219
        }
1220
        break;
1221
    case 0x1f: /* Block fill, stda access */
1222
        {
1223
            // addr = dst
1224
            // fill 32 bytes with val
1225
            unsigned int i;
1226
            uint32_t dst = addr & 7;
1227

    
1228
            for (i = 0; i < 32; i += 8, dst += 8)
1229
                stq_kernel(dst, val);
1230
        }
1231
        break;
1232
    case 0x20: /* MMU passthrough */
1233
        {
1234
            switch(size) {
1235
            case 1:
1236
                stb_phys(addr, val);
1237
                break;
1238
            case 2:
1239
                stw_phys(addr, val);
1240
                break;
1241
            case 4:
1242
            default:
1243
                stl_phys(addr, val);
1244
                break;
1245
            case 8:
1246
                stq_phys(addr, val);
1247
                break;
1248
            }
1249
        }
1250
        break;
1251
    case 0x21 ... 0x2f: /* MMU passthrough, 0x100000000 to 0xfffffffff */
1252
        {
1253
            switch(size) {
1254
            case 1:
1255
                stb_phys((target_phys_addr_t)addr
1256
                         | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1257
                break;
1258
            case 2:
1259
                stw_phys((target_phys_addr_t)addr
1260
                         | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1261
                break;
1262
            case 4:
1263
            default:
1264
                stl_phys((target_phys_addr_t)addr
1265
                         | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1266
                break;
1267
            case 8:
1268
                stq_phys((target_phys_addr_t)addr
1269
                         | ((target_phys_addr_t)(asi & 0xf) << 32), val);
1270
                break;
1271
            }
1272
        }
1273
        break;
1274
    case 0x30: // store buffer tags or Turbosparc secondary cache diagnostic
1275
    case 0x31: // store buffer data, Ross RT620 I-cache flush or
1276
               // Turbosparc snoop RAM
1277
    case 0x32: // store buffer control or Turbosparc page table
1278
               // descriptor diagnostic
1279
    case 0x36: /* I-cache flash clear */
1280
    case 0x37: /* D-cache flash clear */
1281
    case 0x38: /* breakpoint diagnostics */
1282
    case 0x4c: /* breakpoint action */
1283
        break;
1284
    case 8: /* User code access, XXX */
1285
    case 9: /* Supervisor code access, XXX */
1286
    default:
1287
        do_unassigned_access(addr, 1, 0, asi, size);
1288
        break;
1289
    }
1290
#ifdef DEBUG_ASI
1291
    dump_asi("write", addr, asi, size, val);
1292
#endif
1293
}
1294

    
1295
#endif /* CONFIG_USER_ONLY */
1296
#else /* TARGET_SPARC64 */
1297

    
1298
#ifdef CONFIG_USER_ONLY
1299
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1300
{
1301
    uint64_t ret = 0;
1302
#if defined(DEBUG_ASI)
1303
    target_ulong last_addr = addr;
1304
#endif
1305

    
1306
    if (asi < 0x80)
1307
        raise_exception(TT_PRIV_ACT);
1308

    
1309
    helper_check_align(addr, size - 1);
1310
    address_mask(env, &addr);
1311

    
1312
    switch (asi) {
1313
    case 0x82: // Primary no-fault
1314
    case 0x8a: // Primary no-fault LE
1315
        if (page_check_range(addr, size, PAGE_READ) == -1) {
1316
#ifdef DEBUG_ASI
1317
            dump_asi("read ", last_addr, asi, size, ret);
1318
#endif
1319
            return 0;
1320
        }
1321
        // Fall through
1322
    case 0x80: // Primary
1323
    case 0x88: // Primary LE
1324
        {
1325
            switch(size) {
1326
            case 1:
1327
                ret = ldub_raw(addr);
1328
                break;
1329
            case 2:
1330
                ret = lduw_raw(addr);
1331
                break;
1332
            case 4:
1333
                ret = ldl_raw(addr);
1334
                break;
1335
            default:
1336
            case 8:
1337
                ret = ldq_raw(addr);
1338
                break;
1339
            }
1340
        }
1341
        break;
1342
    case 0x83: // Secondary no-fault
1343
    case 0x8b: // Secondary no-fault LE
1344
        if (page_check_range(addr, size, PAGE_READ) == -1) {
1345
#ifdef DEBUG_ASI
1346
            dump_asi("read ", last_addr, asi, size, ret);
1347
#endif
1348
            return 0;
1349
        }
1350
        // Fall through
1351
    case 0x81: // Secondary
1352
    case 0x89: // Secondary LE
1353
        // XXX
1354
        break;
1355
    default:
1356
        break;
1357
    }
1358

    
1359
    /* Convert from little endian */
1360
    switch (asi) {
1361
    case 0x88: // Primary LE
1362
    case 0x89: // Secondary LE
1363
    case 0x8a: // Primary no-fault LE
1364
    case 0x8b: // Secondary no-fault LE
1365
        switch(size) {
1366
        case 2:
1367
            ret = bswap16(ret);
1368
            break;
1369
        case 4:
1370
            ret = bswap32(ret);
1371
            break;
1372
        case 8:
1373
            ret = bswap64(ret);
1374
            break;
1375
        default:
1376
            break;
1377
        }
1378
    default:
1379
        break;
1380
    }
1381

    
1382
    /* Convert to signed number */
1383
    if (sign) {
1384
        switch(size) {
1385
        case 1:
1386
            ret = (int8_t) ret;
1387
            break;
1388
        case 2:
1389
            ret = (int16_t) ret;
1390
            break;
1391
        case 4:
1392
            ret = (int32_t) ret;
1393
            break;
1394
        default:
1395
            break;
1396
        }
1397
    }
1398
#ifdef DEBUG_ASI
1399
    dump_asi("read ", last_addr, asi, size, ret);
1400
#endif
1401
    return ret;
1402
}
1403

    
1404
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1405
{
1406
#ifdef DEBUG_ASI
1407
    dump_asi("write", addr, asi, size, val);
1408
#endif
1409
    if (asi < 0x80)
1410
        raise_exception(TT_PRIV_ACT);
1411

    
1412
    helper_check_align(addr, size - 1);
1413
    address_mask(env, &addr);
1414

    
1415
    /* Convert to little endian */
1416
    switch (asi) {
1417
    case 0x88: // Primary LE
1418
    case 0x89: // Secondary LE
1419
        switch(size) {
1420
        case 2:
1421
            addr = bswap16(addr);
1422
            break;
1423
        case 4:
1424
            addr = bswap32(addr);
1425
            break;
1426
        case 8:
1427
            addr = bswap64(addr);
1428
            break;
1429
        default:
1430
            break;
1431
        }
1432
    default:
1433
        break;
1434
    }
1435

    
1436
    switch(asi) {
1437
    case 0x80: // Primary
1438
    case 0x88: // Primary LE
1439
        {
1440
            switch(size) {
1441
            case 1:
1442
                stb_raw(addr, val);
1443
                break;
1444
            case 2:
1445
                stw_raw(addr, val);
1446
                break;
1447
            case 4:
1448
                stl_raw(addr, val);
1449
                break;
1450
            case 8:
1451
            default:
1452
                stq_raw(addr, val);
1453
                break;
1454
            }
1455
        }
1456
        break;
1457
    case 0x81: // Secondary
1458
    case 0x89: // Secondary LE
1459
        // XXX
1460
        return;
1461

    
1462
    case 0x82: // Primary no-fault, RO
1463
    case 0x83: // Secondary no-fault, RO
1464
    case 0x8a: // Primary no-fault LE, RO
1465
    case 0x8b: // Secondary no-fault LE, RO
1466
    default:
1467
        do_unassigned_access(addr, 1, 0, 1, size);
1468
        return;
1469
    }
1470
}
1471

    
1472
#else /* CONFIG_USER_ONLY */
1473

    
1474
uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign)
1475
{
1476
    uint64_t ret = 0;
1477
#if defined(DEBUG_ASI)
1478
    target_ulong last_addr = addr;
1479
#endif
1480

    
1481
    if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1482
        || ((env->def->features & CPU_FEATURE_HYPV)
1483
            && asi >= 0x30 && asi < 0x80
1484
            && !(env->hpstate & HS_PRIV)))
1485
        raise_exception(TT_PRIV_ACT);
1486

    
1487
    helper_check_align(addr, size - 1);
1488
    switch (asi) {
1489
    case 0x82: // Primary no-fault
1490
    case 0x8a: // Primary no-fault LE
1491
        if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1492
#ifdef DEBUG_ASI
1493
            dump_asi("read ", last_addr, asi, size, ret);
1494
#endif
1495
            return 0;
1496
        }
1497
        // Fall through
1498
    case 0x10: // As if user primary
1499
    case 0x18: // As if user primary LE
1500
    case 0x80: // Primary
1501
    case 0x88: // Primary LE
1502
    case 0xe2: // UA2007 Primary block init
1503
    case 0xe3: // UA2007 Secondary block init
1504
        if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1505
            if ((env->def->features & CPU_FEATURE_HYPV)
1506
                && env->hpstate & HS_PRIV) {
1507
                switch(size) {
1508
                case 1:
1509
                    ret = ldub_hypv(addr);
1510
                    break;
1511
                case 2:
1512
                    ret = lduw_hypv(addr);
1513
                    break;
1514
                case 4:
1515
                    ret = ldl_hypv(addr);
1516
                    break;
1517
                default:
1518
                case 8:
1519
                    ret = ldq_hypv(addr);
1520
                    break;
1521
                }
1522
            } else {
1523
                switch(size) {
1524
                case 1:
1525
                    ret = ldub_kernel(addr);
1526
                    break;
1527
                case 2:
1528
                    ret = lduw_kernel(addr);
1529
                    break;
1530
                case 4:
1531
                    ret = ldl_kernel(addr);
1532
                    break;
1533
                default:
1534
                case 8:
1535
                    ret = ldq_kernel(addr);
1536
                    break;
1537
                }
1538
            }
1539
        } else {
1540
            switch(size) {
1541
            case 1:
1542
                ret = ldub_user(addr);
1543
                break;
1544
            case 2:
1545
                ret = lduw_user(addr);
1546
                break;
1547
            case 4:
1548
                ret = ldl_user(addr);
1549
                break;
1550
            default:
1551
            case 8:
1552
                ret = ldq_user(addr);
1553
                break;
1554
            }
1555
        }
1556
        break;
1557
    case 0x14: // Bypass
1558
    case 0x15: // Bypass, non-cacheable
1559
    case 0x1c: // Bypass LE
1560
    case 0x1d: // Bypass, non-cacheable LE
1561
        {
1562
            switch(size) {
1563
            case 1:
1564
                ret = ldub_phys(addr);
1565
                break;
1566
            case 2:
1567
                ret = lduw_phys(addr);
1568
                break;
1569
            case 4:
1570
                ret = ldl_phys(addr);
1571
                break;
1572
            default:
1573
            case 8:
1574
                ret = ldq_phys(addr);
1575
                break;
1576
            }
1577
            break;
1578
        }
1579
    case 0x24: // Nucleus quad LDD 128 bit atomic
1580
    case 0x2c: // Nucleus quad LDD 128 bit atomic LE
1581
        //  Only ldda allowed
1582
        raise_exception(TT_ILL_INSN);
1583
        return 0;
1584
    case 0x83: // Secondary no-fault
1585
    case 0x8b: // Secondary no-fault LE
1586
        if (cpu_get_phys_page_debug(env, addr) == -1ULL) {
1587
#ifdef DEBUG_ASI
1588
            dump_asi("read ", last_addr, asi, size, ret);
1589
#endif
1590
            return 0;
1591
        }
1592
        // Fall through
1593
    case 0x04: // Nucleus
1594
    case 0x0c: // Nucleus Little Endian (LE)
1595
    case 0x11: // As if user secondary
1596
    case 0x19: // As if user secondary LE
1597
    case 0x4a: // UPA config
1598
    case 0x81: // Secondary
1599
    case 0x89: // Secondary LE
1600
        // XXX
1601
        break;
1602
    case 0x45: // LSU
1603
        ret = env->lsu;
1604
        break;
1605
    case 0x50: // I-MMU regs
1606
        {
1607
            int reg = (addr >> 3) & 0xf;
1608

    
1609
            ret = env->immuregs[reg];
1610
            break;
1611
        }
1612
    case 0x51: // I-MMU 8k TSB pointer
1613
    case 0x52: // I-MMU 64k TSB pointer
1614
        // XXX
1615
        break;
1616
    case 0x55: // I-MMU data access
1617
        {
1618
            int reg = (addr >> 3) & 0x3f;
1619

    
1620
            ret = env->itlb_tte[reg];
1621
            break;
1622
        }
1623
    case 0x56: // I-MMU tag read
1624
        {
1625
            int reg = (addr >> 3) & 0x3f;
1626

    
1627
            ret = env->itlb_tag[reg];
1628
            break;
1629
        }
1630
    case 0x58: // D-MMU regs
1631
        {
1632
            int reg = (addr >> 3) & 0xf;
1633

    
1634
            ret = env->dmmuregs[reg];
1635
            break;
1636
        }
1637
    case 0x5d: // D-MMU data access
1638
        {
1639
            int reg = (addr >> 3) & 0x3f;
1640

    
1641
            ret = env->dtlb_tte[reg];
1642
            break;
1643
        }
1644
    case 0x5e: // D-MMU tag read
1645
        {
1646
            int reg = (addr >> 3) & 0x3f;
1647

    
1648
            ret = env->dtlb_tag[reg];
1649
            break;
1650
        }
1651
    case 0x46: // D-cache data
1652
    case 0x47: // D-cache tag access
1653
    case 0x4b: // E-cache error enable
1654
    case 0x4c: // E-cache asynchronous fault status
1655
    case 0x4d: // E-cache asynchronous fault address
1656
    case 0x4e: // E-cache tag data
1657
    case 0x66: // I-cache instruction access
1658
    case 0x67: // I-cache tag access
1659
    case 0x6e: // I-cache predecode
1660
    case 0x6f: // I-cache LRU etc.
1661
    case 0x76: // E-cache tag
1662
    case 0x7e: // E-cache tag
1663
        break;
1664
    case 0x59: // D-MMU 8k TSB pointer
1665
    case 0x5a: // D-MMU 64k TSB pointer
1666
    case 0x5b: // D-MMU data pointer
1667
    case 0x48: // Interrupt dispatch, RO
1668
    case 0x49: // Interrupt data receive
1669
    case 0x7f: // Incoming interrupt vector, RO
1670
        // XXX
1671
        break;
1672
    case 0x54: // I-MMU data in, WO
1673
    case 0x57: // I-MMU demap, WO
1674
    case 0x5c: // D-MMU data in, WO
1675
    case 0x5f: // D-MMU demap, WO
1676
    case 0x77: // Interrupt vector, WO
1677
    default:
1678
        do_unassigned_access(addr, 0, 0, 1, size);
1679
        ret = 0;
1680
        break;
1681
    }
1682

    
1683
    /* Convert from little endian */
1684
    switch (asi) {
1685
    case 0x0c: // Nucleus Little Endian (LE)
1686
    case 0x18: // As if user primary LE
1687
    case 0x19: // As if user secondary LE
1688
    case 0x1c: // Bypass LE
1689
    case 0x1d: // Bypass, non-cacheable LE
1690
    case 0x88: // Primary LE
1691
    case 0x89: // Secondary LE
1692
    case 0x8a: // Primary no-fault LE
1693
    case 0x8b: // Secondary no-fault LE
1694
        switch(size) {
1695
        case 2:
1696
            ret = bswap16(ret);
1697
            break;
1698
        case 4:
1699
            ret = bswap32(ret);
1700
            break;
1701
        case 8:
1702
            ret = bswap64(ret);
1703
            break;
1704
        default:
1705
            break;
1706
        }
1707
    default:
1708
        break;
1709
    }
1710

    
1711
    /* Convert to signed number */
1712
    if (sign) {
1713
        switch(size) {
1714
        case 1:
1715
            ret = (int8_t) ret;
1716
            break;
1717
        case 2:
1718
            ret = (int16_t) ret;
1719
            break;
1720
        case 4:
1721
            ret = (int32_t) ret;
1722
            break;
1723
        default:
1724
            break;
1725
        }
1726
    }
1727
#ifdef DEBUG_ASI
1728
    dump_asi("read ", last_addr, asi, size, ret);
1729
#endif
1730
    return ret;
1731
}
1732

    
1733
void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size)
1734
{
1735
#ifdef DEBUG_ASI
1736
    dump_asi("write", addr, asi, size, val);
1737
#endif
1738
    if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
1739
        || ((env->def->features & CPU_FEATURE_HYPV)
1740
            && asi >= 0x30 && asi < 0x80
1741
            && !(env->hpstate & HS_PRIV)))
1742
        raise_exception(TT_PRIV_ACT);
1743

    
1744
    helper_check_align(addr, size - 1);
1745
    /* Convert to little endian */
1746
    switch (asi) {
1747
    case 0x0c: // Nucleus Little Endian (LE)
1748
    case 0x18: // As if user primary LE
1749
    case 0x19: // As if user secondary LE
1750
    case 0x1c: // Bypass LE
1751
    case 0x1d: // Bypass, non-cacheable LE
1752
    case 0x88: // Primary LE
1753
    case 0x89: // Secondary LE
1754
        switch(size) {
1755
        case 2:
1756
            addr = bswap16(addr);
1757
            break;
1758
        case 4:
1759
            addr = bswap32(addr);
1760
            break;
1761
        case 8:
1762
            addr = bswap64(addr);
1763
            break;
1764
        default:
1765
            break;
1766
        }
1767
    default:
1768
        break;
1769
    }
1770

    
1771
    switch(asi) {
1772
    case 0x10: // As if user primary
1773
    case 0x18: // As if user primary LE
1774
    case 0x80: // Primary
1775
    case 0x88: // Primary LE
1776
    case 0xe2: // UA2007 Primary block init
1777
    case 0xe3: // UA2007 Secondary block init
1778
        if ((asi & 0x80) && (env->pstate & PS_PRIV)) {
1779
            if ((env->def->features & CPU_FEATURE_HYPV)
1780
                && env->hpstate & HS_PRIV) {
1781
                switch(size) {
1782
                case 1:
1783
                    stb_hypv(addr, val);
1784
                    break;
1785
                case 2:
1786
                    stw_hypv(addr, val);
1787
                    break;
1788
                case 4:
1789
                    stl_hypv(addr, val);
1790
                    break;
1791
                case 8:
1792
                default:
1793
                    stq_hypv(addr, val);
1794
                    break;
1795
                }
1796
            } else {
1797
                switch(size) {
1798
                case 1:
1799
                    stb_kernel(addr, val);
1800
                    break;
1801
                case 2:
1802
                    stw_kernel(addr, val);
1803
                    break;
1804
                case 4:
1805
                    stl_kernel(addr, val);
1806
                    break;
1807
                case 8:
1808
                default:
1809
                    stq_kernel(addr, val);
1810
                    break;
1811
                }
1812
            }
1813
        } else {
1814
            switch(size) {
1815
            case 1:
1816
                stb_user(addr, val);
1817
                break;
1818
            case 2:
1819
                stw_user(addr, val);
1820
                break;
1821
            case 4:
1822
                stl_user(addr, val);
1823
                break;
1824
            case 8:
1825
            default:
1826
                stq_user(addr, val);
1827
                break;
1828
            }
1829
        }
1830
        break;
1831
    case 0x14: // Bypass
1832
    case 0x15: // Bypass, non-cacheable
1833
    case 0x1c: // Bypass LE
1834
    case 0x1d: // Bypass, non-cacheable LE
1835
        {
1836
            switch(size) {
1837
            case 1:
1838
                stb_phys(addr, val);
1839
                break;
1840
            case 2:
1841
                stw_phys(addr, val);
1842
                break;
1843
            case 4:
1844
                stl_phys(addr, val);
1845
                break;
1846
            case 8:
1847
            default:
1848
                stq_phys(addr, val);
1849
                break;
1850
            }
1851
        }
1852
        return;
1853
    case 0x24: // Nucleus quad LDD 128 bit atomic
1854
    case 0x2c: // Nucleus quad LDD 128 bit atomic LE
1855
        //  Only ldda allowed
1856
        raise_exception(TT_ILL_INSN);
1857
        return;
1858
    case 0x04: // Nucleus
1859
    case 0x0c: // Nucleus Little Endian (LE)
1860
    case 0x11: // As if user secondary
1861
    case 0x19: // As if user secondary LE
1862
    case 0x4a: // UPA config
1863
    case 0x81: // Secondary
1864
    case 0x89: // Secondary LE
1865
        // XXX
1866
        return;
1867
    case 0x45: // LSU
1868
        {
1869
            uint64_t oldreg;
1870

    
1871
            oldreg = env->lsu;
1872
            env->lsu = val & (DMMU_E | IMMU_E);
1873
            // Mappings generated during D/I MMU disabled mode are
1874
            // invalid in normal mode
1875
            if (oldreg != env->lsu) {
1876
                DPRINTF_MMU("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n",
1877
                            oldreg, env->lsu);
1878
#ifdef DEBUG_MMU
1879
                dump_mmu(env);
1880
#endif
1881
                tlb_flush(env, 1);
1882
            }
1883
            return;
1884
        }
1885
    case 0x50: // I-MMU regs
1886
        {
1887
            int reg = (addr >> 3) & 0xf;
1888
            uint64_t oldreg;
1889

    
1890
            oldreg = env->immuregs[reg];
1891
            switch(reg) {
1892
            case 0: // RO
1893
            case 4:
1894
                return;
1895
            case 1: // Not in I-MMU
1896
            case 2:
1897
            case 7:
1898
            case 8:
1899
                return;
1900
            case 3: // SFSR
1901
                if ((val & 1) == 0)
1902
                    val = 0; // Clear SFSR
1903
                break;
1904
            case 5: // TSB access
1905
            case 6: // Tag access
1906
            default:
1907
                break;
1908
            }
1909
            env->immuregs[reg] = val;
1910
            if (oldreg != env->immuregs[reg]) {
1911
                DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
1912
                            PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
1913
            }
1914
#ifdef DEBUG_MMU
1915
            dump_mmu(env);
1916
#endif
1917
            return;
1918
        }
1919
    case 0x54: // I-MMU data in
1920
        {
1921
            unsigned int i;
1922

    
1923
            // Try finding an invalid entry
1924
            for (i = 0; i < 64; i++) {
1925
                if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) {
1926
                    env->itlb_tag[i] = env->immuregs[6];
1927
                    env->itlb_tte[i] = val;
1928
                    return;
1929
                }
1930
            }
1931
            // Try finding an unlocked entry
1932
            for (i = 0; i < 64; i++) {
1933
                if ((env->itlb_tte[i] & 0x40) == 0) {
1934
                    env->itlb_tag[i] = env->immuregs[6];
1935
                    env->itlb_tte[i] = val;
1936
                    return;
1937
                }
1938
            }
1939
            // error state?
1940
            return;
1941
        }
1942
    case 0x55: // I-MMU data access
1943
        {
1944
            // TODO: auto demap
1945

    
1946
            unsigned int i = (addr >> 3) & 0x3f;
1947

    
1948
            env->itlb_tag[i] = env->immuregs[6];
1949
            env->itlb_tte[i] = val;
1950
            return;
1951
        }
1952
    case 0x57: // I-MMU demap
1953
        {
1954
            unsigned int i;
1955

    
1956
            for (i = 0; i < 64; i++) {
1957
                if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0) {
1958
                    target_ulong mask = 0xffffffffffffe000ULL;
1959

    
1960
                    mask <<= 3 * ((env->itlb_tte[i] >> 61) & 3);
1961
                    if ((val & mask) == (env->itlb_tag[i] & mask)) {
1962
                        env->itlb_tag[i] = 0;
1963
                        env->itlb_tte[i] = 0;
1964
                    }
1965
                    return;
1966
                }
1967
            }
1968
        }
1969
        return;
1970
    case 0x58: // D-MMU regs
1971
        {
1972
            int reg = (addr >> 3) & 0xf;
1973
            uint64_t oldreg;
1974

    
1975
            oldreg = env->dmmuregs[reg];
1976
            switch(reg) {
1977
            case 0: // RO
1978
            case 4:
1979
                return;
1980
            case 3: // SFSR
1981
                if ((val & 1) == 0) {
1982
                    val = 0; // Clear SFSR, Fault address
1983
                    env->dmmuregs[4] = 0;
1984
                }
1985
                env->dmmuregs[reg] = val;
1986
                break;
1987
            case 1: // Primary context
1988
            case 2: // Secondary context
1989
            case 5: // TSB access
1990
            case 6: // Tag access
1991
            case 7: // Virtual Watchpoint
1992
            case 8: // Physical Watchpoint
1993
            default:
1994
                break;
1995
            }
1996
            env->dmmuregs[reg] = val;
1997
            if (oldreg != env->dmmuregs[reg]) {
1998
                DPRINTF_MMU("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08"
1999
                            PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
2000
            }
2001
#ifdef DEBUG_MMU
2002
            dump_mmu(env);
2003
#endif
2004
            return;
2005
        }
2006
    case 0x5c: // D-MMU data in
2007
        {
2008
            unsigned int i;
2009

    
2010
            // Try finding an invalid entry
2011
            for (i = 0; i < 64; i++) {
2012
                if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) {
2013
                    env->dtlb_tag[i] = env->dmmuregs[6];
2014
                    env->dtlb_tte[i] = val;
2015
                    return;
2016
                }
2017
            }
2018
            // Try finding an unlocked entry
2019
            for (i = 0; i < 64; i++) {
2020
                if ((env->dtlb_tte[i] & 0x40) == 0) {
2021
                    env->dtlb_tag[i] = env->dmmuregs[6];
2022
                    env->dtlb_tte[i] = val;
2023
                    return;
2024
                }
2025
            }
2026
            // error state?
2027
            return;
2028
        }
2029
    case 0x5d: // D-MMU data access
2030
        {
2031
            unsigned int i = (addr >> 3) & 0x3f;
2032

    
2033
            env->dtlb_tag[i] = env->dmmuregs[6];
2034
            env->dtlb_tte[i] = val;
2035
            return;
2036
        }
2037
    case 0x5f: // D-MMU demap
2038
        {
2039
            unsigned int i;
2040

    
2041
            for (i = 0; i < 64; i++) {
2042
                if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0) {
2043
                    target_ulong mask = 0xffffffffffffe000ULL;
2044

    
2045
                    mask <<= 3 * ((env->dtlb_tte[i] >> 61) & 3);
2046
                    if ((val & mask) == (env->dtlb_tag[i] & mask)) {
2047
                        env->dtlb_tag[i] = 0;
2048
                        env->dtlb_tte[i] = 0;
2049
                    }
2050
                    return;
2051
                }
2052
            }
2053
        }
2054
        return;
2055
    case 0x49: // Interrupt data receive
2056
        // XXX
2057
        return;
2058
    case 0x46: // D-cache data
2059
    case 0x47: // D-cache tag access
2060
    case 0x4b: // E-cache error enable
2061
    case 0x4c: // E-cache asynchronous fault status
2062
    case 0x4d: // E-cache asynchronous fault address
2063
    case 0x4e: // E-cache tag data
2064
    case 0x66: // I-cache instruction access
2065
    case 0x67: // I-cache tag access
2066
    case 0x6e: // I-cache predecode
2067
    case 0x6f: // I-cache LRU etc.
2068
    case 0x76: // E-cache tag
2069
    case 0x7e: // E-cache tag
2070
        return;
2071
    case 0x51: // I-MMU 8k TSB pointer, RO
2072
    case 0x52: // I-MMU 64k TSB pointer, RO
2073
    case 0x56: // I-MMU tag read, RO
2074
    case 0x59: // D-MMU 8k TSB pointer, RO
2075
    case 0x5a: // D-MMU 64k TSB pointer, RO
2076
    case 0x5b: // D-MMU data pointer, RO
2077
    case 0x5e: // D-MMU tag read, RO
2078
    case 0x48: // Interrupt dispatch, RO
2079
    case 0x7f: // Incoming interrupt vector, RO
2080
    case 0x82: // Primary no-fault, RO
2081
    case 0x83: // Secondary no-fault, RO
2082
    case 0x8a: // Primary no-fault LE, RO
2083
    case 0x8b: // Secondary no-fault LE, RO
2084
    default:
2085
        do_unassigned_access(addr, 1, 0, 1, size);
2086
        return;
2087
    }
2088
}
2089
#endif /* CONFIG_USER_ONLY */
2090

    
2091
void helper_ldda_asi(target_ulong addr, int asi, int rd)
2092
{
2093
    if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0)
2094
        || ((env->def->features & CPU_FEATURE_HYPV)
2095
            && asi >= 0x30 && asi < 0x80
2096
            && !(env->hpstate & HS_PRIV)))
2097
        raise_exception(TT_PRIV_ACT);
2098

    
2099
    switch (asi) {
2100
    case 0x24: // Nucleus quad LDD 128 bit atomic
2101
    case 0x2c: // Nucleus quad LDD 128 bit atomic LE
2102
        helper_check_align(addr, 0xf);
2103
        if (rd == 0) {
2104
            env->gregs[1] = ldq_kernel(addr + 8);
2105
            if (asi == 0x2c)
2106
                bswap64s(&env->gregs[1]);
2107
        } else if (rd < 8) {
2108
            env->gregs[rd] = ldq_kernel(addr);
2109
            env->gregs[rd + 1] = ldq_kernel(addr + 8);
2110
            if (asi == 0x2c) {
2111
                bswap64s(&env->gregs[rd]);
2112
                bswap64s(&env->gregs[rd + 1]);
2113
            }
2114
        } else {
2115
            env->regwptr[rd] = ldq_kernel(addr);
2116
            env->regwptr[rd + 1] = ldq_kernel(addr + 8);
2117
            if (asi == 0x2c) {
2118
                bswap64s(&env->regwptr[rd]);
2119
                bswap64s(&env->regwptr[rd + 1]);
2120
            }
2121
        }
2122
        break;
2123
    default:
2124
        helper_check_align(addr, 0x3);
2125
        if (rd == 0)
2126
            env->gregs[1] = helper_ld_asi(addr + 4, asi, 4, 0);
2127
        else if (rd < 8) {
2128
            env->gregs[rd] = helper_ld_asi(addr, asi, 4, 0);
2129
            env->gregs[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2130
        } else {
2131
            env->regwptr[rd] = helper_ld_asi(addr, asi, 4, 0);
2132
            env->regwptr[rd + 1] = helper_ld_asi(addr + 4, asi, 4, 0);
2133
        }
2134
        break;
2135
    }
2136
}
2137

    
2138
void helper_ldf_asi(target_ulong addr, int asi, int size, int rd)
2139
{
2140
    unsigned int i;
2141
    target_ulong val;
2142

    
2143
    helper_check_align(addr, 3);
2144
    switch (asi) {
2145
    case 0xf0: // Block load primary
2146
    case 0xf1: // Block load secondary
2147
    case 0xf8: // Block load primary LE
2148
    case 0xf9: // Block load secondary LE
2149
        if (rd & 7) {
2150
            raise_exception(TT_ILL_INSN);
2151
            return;
2152
        }
2153
        helper_check_align(addr, 0x3f);
2154
        for (i = 0; i < 16; i++) {
2155
            *(uint32_t *)&env->fpr[rd++] = helper_ld_asi(addr, asi & 0x8f, 4,
2156
                                                         0);
2157
            addr += 4;
2158
        }
2159

    
2160
        return;
2161
    default:
2162
        break;
2163
    }
2164

    
2165
    val = helper_ld_asi(addr, asi, size, 0);
2166
    switch(size) {
2167
    default:
2168
    case 4:
2169
        *((uint32_t *)&env->fpr[rd]) = val;
2170
        break;
2171
    case 8:
2172
        *((int64_t *)&DT0) = val;
2173
        break;
2174
    case 16:
2175
        // XXX
2176
        break;
2177
    }
2178
}
2179

    
2180
void helper_stf_asi(target_ulong addr, int asi, int size, int rd)
2181
{
2182
    unsigned int i;
2183
    target_ulong val = 0;
2184

    
2185
    helper_check_align(addr, 3);
2186
    switch (asi) {
2187
    case 0xe0: // UA2007 Block commit store primary (cache flush)
2188
    case 0xe1: // UA2007 Block commit store secondary (cache flush)
2189
    case 0xf0: // Block store primary
2190
    case 0xf1: // Block store secondary
2191
    case 0xf8: // Block store primary LE
2192
    case 0xf9: // Block store secondary LE
2193
        if (rd & 7) {
2194
            raise_exception(TT_ILL_INSN);
2195
            return;
2196
        }
2197
        helper_check_align(addr, 0x3f);
2198
        for (i = 0; i < 16; i++) {
2199
            val = *(uint32_t *)&env->fpr[rd++];
2200
            helper_st_asi(addr, val, asi & 0x8f, 4);
2201
            addr += 4;
2202
        }
2203

    
2204
        return;
2205
    default:
2206
        break;
2207
    }
2208

    
2209
    switch(size) {
2210
    default:
2211
    case 4:
2212
        val = *((uint32_t *)&env->fpr[rd]);
2213
        break;
2214
    case 8:
2215
        val = *((int64_t *)&DT0);
2216
        break;
2217
    case 16:
2218
        // XXX
2219
        break;
2220
    }
2221
    helper_st_asi(addr, val, asi, size);
2222
}
2223

    
2224
target_ulong helper_cas_asi(target_ulong addr, target_ulong val1,
2225
                            target_ulong val2, uint32_t asi)
2226
{
2227
    target_ulong ret;
2228

    
2229
    val2 &= 0xffffffffUL;
2230
    ret = helper_ld_asi(addr, asi, 4, 0);
2231
    ret &= 0xffffffffUL;
2232
    if (val2 == ret)
2233
        helper_st_asi(addr, val1 & 0xffffffffUL, asi, 4);
2234
    return ret;
2235
}
2236

    
2237
target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
2238
                             target_ulong val2, uint32_t asi)
2239
{
2240
    target_ulong ret;
2241

    
2242
    ret = helper_ld_asi(addr, asi, 8, 0);
2243
    if (val2 == ret)
2244
        helper_st_asi(addr, val1, asi, 8);
2245
    return ret;
2246
}
2247
#endif /* TARGET_SPARC64 */
2248

    
2249
#ifndef TARGET_SPARC64
2250
void helper_rett(void)
2251
{
2252
    unsigned int cwp;
2253

    
2254
    if (env->psret == 1)
2255
        raise_exception(TT_ILL_INSN);
2256

    
2257
    env->psret = 1;
2258
    cwp = cpu_cwp_inc(env, env->cwp + 1) ;
2259
    if (env->wim & (1 << cwp)) {
2260
        raise_exception(TT_WIN_UNF);
2261
    }
2262
    set_cwp(cwp);
2263
    env->psrs = env->psrps;
2264
}
2265
#endif
2266

    
2267
target_ulong helper_udiv(target_ulong a, target_ulong b)
2268
{
2269
    uint64_t x0;
2270
    uint32_t x1;
2271

    
2272
    x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2273
    x1 = b;
2274

    
2275
    if (x1 == 0) {
2276
        raise_exception(TT_DIV_ZERO);
2277
    }
2278

    
2279
    x0 = x0 / x1;
2280
    if (x0 > 0xffffffff) {
2281
        env->cc_src2 = 1;
2282
        return 0xffffffff;
2283
    } else {
2284
        env->cc_src2 = 0;
2285
        return x0;
2286
    }
2287
}
2288

    
2289
target_ulong helper_sdiv(target_ulong a, target_ulong b)
2290
{
2291
    int64_t x0;
2292
    int32_t x1;
2293

    
2294
    x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32);
2295
    x1 = b;
2296

    
2297
    if (x1 == 0) {
2298
        raise_exception(TT_DIV_ZERO);
2299
    }
2300

    
2301
    x0 = x0 / x1;
2302
    if ((int32_t) x0 != x0) {
2303
        env->cc_src2 = 1;
2304
        return x0 < 0? 0x80000000: 0x7fffffff;
2305
    } else {
2306
        env->cc_src2 = 0;
2307
        return x0;
2308
    }
2309
}
2310

    
2311
void helper_stdf(target_ulong addr, int mem_idx)
2312
{
2313
    helper_check_align(addr, 7);
2314
#if !defined(CONFIG_USER_ONLY)
2315
    switch (mem_idx) {
2316
    case 0:
2317
        stfq_user(addr, DT0);
2318
        break;
2319
    case 1:
2320
        stfq_kernel(addr, DT0);
2321
        break;
2322
#ifdef TARGET_SPARC64
2323
    case 2:
2324
        stfq_hypv(addr, DT0);
2325
        break;
2326
#endif
2327
    default:
2328
        break;
2329
    }
2330
#else
2331
    address_mask(env, &addr);
2332
    stfq_raw(addr, DT0);
2333
#endif
2334
}
2335

    
2336
void helper_lddf(target_ulong addr, int mem_idx)
2337
{
2338
    helper_check_align(addr, 7);
2339
#if !defined(CONFIG_USER_ONLY)
2340
    switch (mem_idx) {
2341
    case 0:
2342
        DT0 = ldfq_user(addr);
2343
        break;
2344
    case 1:
2345
        DT0 = ldfq_kernel(addr);
2346
        break;
2347
#ifdef TARGET_SPARC64
2348
    case 2:
2349
        DT0 = ldfq_hypv(addr);
2350
        break;
2351
#endif
2352
    default:
2353
        break;
2354
    }
2355
#else
2356
    address_mask(env, &addr);
2357
    DT0 = ldfq_raw(addr);
2358
#endif
2359
}
2360

    
2361
void helper_ldqf(target_ulong addr, int mem_idx)
2362
{
2363
    // XXX add 128 bit load
2364
    CPU_QuadU u;
2365

    
2366
    helper_check_align(addr, 7);
2367
#if !defined(CONFIG_USER_ONLY)
2368
    switch (mem_idx) {
2369
    case 0:
2370
        u.ll.upper = ldq_user(addr);
2371
        u.ll.lower = ldq_user(addr + 8);
2372
        QT0 = u.q;
2373
        break;
2374
    case 1:
2375
        u.ll.upper = ldq_kernel(addr);
2376
        u.ll.lower = ldq_kernel(addr + 8);
2377
        QT0 = u.q;
2378
        break;
2379
#ifdef TARGET_SPARC64
2380
    case 2:
2381
        u.ll.upper = ldq_hypv(addr);
2382
        u.ll.lower = ldq_hypv(addr + 8);
2383
        QT0 = u.q;
2384
        break;
2385
#endif
2386
    default:
2387
        break;
2388
    }
2389
#else
2390
    address_mask(env, &addr);
2391
    u.ll.upper = ldq_raw(addr);
2392
    u.ll.lower = ldq_raw((addr + 8) & 0xffffffffULL);
2393
    QT0 = u.q;
2394
#endif
2395
}
2396

    
2397
void helper_stqf(target_ulong addr, int mem_idx)
2398
{
2399
    // XXX add 128 bit store
2400
    CPU_QuadU u;
2401

    
2402
    helper_check_align(addr, 7);
2403
#if !defined(CONFIG_USER_ONLY)
2404
    switch (mem_idx) {
2405
    case 0:
2406
        u.q = QT0;
2407
        stq_user(addr, u.ll.upper);
2408
        stq_user(addr + 8, u.ll.lower);
2409
        break;
2410
    case 1:
2411
        u.q = QT0;
2412
        stq_kernel(addr, u.ll.upper);
2413
        stq_kernel(addr + 8, u.ll.lower);
2414
        break;
2415
#ifdef TARGET_SPARC64
2416
    case 2:
2417
        u.q = QT0;
2418
        stq_hypv(addr, u.ll.upper);
2419
        stq_hypv(addr + 8, u.ll.lower);
2420
        break;
2421
#endif
2422
    default:
2423
        break;
2424
    }
2425
#else
2426
    u.q = QT0;
2427
    address_mask(env, &addr);
2428
    stq_raw(addr, u.ll.upper);
2429
    stq_raw((addr + 8) & 0xffffffffULL, u.ll.lower);
2430
#endif
2431
}
2432

    
2433
static inline void set_fsr(void)
2434
{
2435
    int rnd_mode;
2436

    
2437
    switch (env->fsr & FSR_RD_MASK) {
2438
    case FSR_RD_NEAREST:
2439
        rnd_mode = float_round_nearest_even;
2440
        break;
2441
    default:
2442
    case FSR_RD_ZERO:
2443
        rnd_mode = float_round_to_zero;
2444
        break;
2445
    case FSR_RD_POS:
2446
        rnd_mode = float_round_up;
2447
        break;
2448
    case FSR_RD_NEG:
2449
        rnd_mode = float_round_down;
2450
        break;
2451
    }
2452
    set_float_rounding_mode(rnd_mode, &env->fp_status);
2453
}
2454

    
2455
void helper_ldfsr(uint32_t new_fsr)
2456
{
2457
    env->fsr = (new_fsr & FSR_LDFSR_MASK) | (env->fsr & FSR_LDFSR_OLDMASK);
2458
    set_fsr();
2459
}
2460

    
2461
#ifdef TARGET_SPARC64
2462
void helper_ldxfsr(uint64_t new_fsr)
2463
{
2464
    env->fsr = (new_fsr & FSR_LDXFSR_MASK) | (env->fsr & FSR_LDXFSR_OLDMASK);
2465
    set_fsr();
2466
}
2467
#endif
2468

    
2469
void helper_debug(void)
2470
{
2471
    env->exception_index = EXCP_DEBUG;
2472
    cpu_loop_exit();
2473
}
2474

    
2475
#ifndef TARGET_SPARC64
2476
/* XXX: use another pointer for %iN registers to avoid slow wrapping
2477
   handling ? */
2478
void helper_save(void)
2479
{
2480
    uint32_t cwp;
2481

    
2482
    cwp = cpu_cwp_dec(env, env->cwp - 1);
2483
    if (env->wim & (1 << cwp)) {
2484
        raise_exception(TT_WIN_OVF);
2485
    }
2486
    set_cwp(cwp);
2487
}
2488

    
2489
void helper_restore(void)
2490
{
2491
    uint32_t cwp;
2492

    
2493
    cwp = cpu_cwp_inc(env, env->cwp + 1);
2494
    if (env->wim & (1 << cwp)) {
2495
        raise_exception(TT_WIN_UNF);
2496
    }
2497
    set_cwp(cwp);
2498
}
2499

    
2500
void helper_wrpsr(target_ulong new_psr)
2501
{
2502
    if ((new_psr & PSR_CWP) >= env->nwindows)
2503
        raise_exception(TT_ILL_INSN);
2504
    else
2505
        PUT_PSR(env, new_psr);
2506
}
2507

    
2508
target_ulong helper_rdpsr(void)
2509
{
2510
    return GET_PSR(env);
2511
}
2512

    
2513
#else
2514
/* XXX: use another pointer for %iN registers to avoid slow wrapping
2515
   handling ? */
2516
void helper_save(void)
2517
{
2518
    uint32_t cwp;
2519

    
2520
    cwp = cpu_cwp_dec(env, env->cwp - 1);
2521
    if (env->cansave == 0) {
2522
        raise_exception(TT_SPILL | (env->otherwin != 0 ?
2523
                                    (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2524
                                    ((env->wstate & 0x7) << 2)));
2525
    } else {
2526
        if (env->cleanwin - env->canrestore == 0) {
2527
            // XXX Clean windows without trap
2528
            raise_exception(TT_CLRWIN);
2529
        } else {
2530
            env->cansave--;
2531
            env->canrestore++;
2532
            set_cwp(cwp);
2533
        }
2534
    }
2535
}
2536

    
2537
void helper_restore(void)
2538
{
2539
    uint32_t cwp;
2540

    
2541
    cwp = cpu_cwp_inc(env, env->cwp + 1);
2542
    if (env->canrestore == 0) {
2543
        raise_exception(TT_FILL | (env->otherwin != 0 ?
2544
                                   (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2545
                                   ((env->wstate & 0x7) << 2)));
2546
    } else {
2547
        env->cansave++;
2548
        env->canrestore--;
2549
        set_cwp(cwp);
2550
    }
2551
}
2552

    
2553
void helper_flushw(void)
2554
{
2555
    if (env->cansave != env->nwindows - 2) {
2556
        raise_exception(TT_SPILL | (env->otherwin != 0 ?
2557
                                    (TT_WOTHER | ((env->wstate & 0x38) >> 1)):
2558
                                    ((env->wstate & 0x7) << 2)));
2559
    }
2560
}
2561

    
2562
void helper_saved(void)
2563
{
2564
    env->cansave++;
2565
    if (env->otherwin == 0)
2566
        env->canrestore--;
2567
    else
2568
        env->otherwin--;
2569
}
2570

    
2571
void helper_restored(void)
2572
{
2573
    env->canrestore++;
2574
    if (env->cleanwin < env->nwindows - 1)
2575
        env->cleanwin++;
2576
    if (env->otherwin == 0)
2577
        env->cansave--;
2578
    else
2579
        env->otherwin--;
2580
}
2581

    
2582
target_ulong helper_rdccr(void)
2583
{
2584
    return GET_CCR(env);
2585
}
2586

    
2587
void helper_wrccr(target_ulong new_ccr)
2588
{
2589
    PUT_CCR(env, new_ccr);
2590
}
2591

    
2592
// CWP handling is reversed in V9, but we still use the V8 register
2593
// order.
2594
target_ulong helper_rdcwp(void)
2595
{
2596
    return GET_CWP64(env);
2597
}
2598

    
2599
void helper_wrcwp(target_ulong new_cwp)
2600
{
2601
    PUT_CWP64(env, new_cwp);
2602
}
2603

    
2604
// This function uses non-native bit order
2605
#define GET_FIELD(X, FROM, TO)                                  \
2606
    ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
2607

    
2608
// This function uses the order in the manuals, i.e. bit 0 is 2^0
2609
#define GET_FIELD_SP(X, FROM, TO)               \
2610
    GET_FIELD(X, 63 - (TO), 63 - (FROM))
2611

    
2612
target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
2613
{
2614
    return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
2615
        (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
2616
        (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
2617
        (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
2618
        (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
2619
        (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
2620
        (((pixel_addr >> 55) & 1) << 4) |
2621
        (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
2622
        GET_FIELD_SP(pixel_addr, 11, 12);
2623
}
2624

    
2625
target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
2626
{
2627
    uint64_t tmp;
2628

    
2629
    tmp = addr + offset;
2630
    env->gsr &= ~7ULL;
2631
    env->gsr |= tmp & 7ULL;
2632
    return tmp & ~7ULL;
2633
}
2634

    
2635
target_ulong helper_popc(target_ulong val)
2636
{
2637
    return ctpop64(val);
2638
}
2639

    
2640
static inline uint64_t *get_gregset(uint64_t pstate)
2641
{
2642
    switch (pstate) {
2643
    default:
2644
    case 0:
2645
        return env->bgregs;
2646
    case PS_AG:
2647
        return env->agregs;
2648
    case PS_MG:
2649
        return env->mgregs;
2650
    case PS_IG:
2651
        return env->igregs;
2652
    }
2653
}
2654

    
2655
static inline void change_pstate(uint64_t new_pstate)
2656
{
2657
    uint64_t pstate_regs, new_pstate_regs;
2658
    uint64_t *src, *dst;
2659

    
2660
    pstate_regs = env->pstate & 0xc01;
2661
    new_pstate_regs = new_pstate & 0xc01;
2662
    if (new_pstate_regs != pstate_regs) {
2663
        // Switch global register bank
2664
        src = get_gregset(new_pstate_regs);
2665
        dst = get_gregset(pstate_regs);
2666
        memcpy32(dst, env->gregs);
2667
        memcpy32(env->gregs, src);
2668
    }
2669
    env->pstate = new_pstate;
2670
}
2671

    
2672
void helper_wrpstate(target_ulong new_state)
2673
{
2674
    if (!(env->def->features & CPU_FEATURE_GL))
2675
        change_pstate(new_state & 0xf3f);
2676
}
2677

    
2678
void helper_done(void)
2679
{
2680
    env->pc = env->tsptr->tpc;
2681
    env->npc = env->tsptr->tnpc + 4;
2682
    PUT_CCR(env, env->tsptr->tstate >> 32);
2683
    env->asi = (env->tsptr->tstate >> 24) & 0xff;
2684
    change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2685
    PUT_CWP64(env, env->tsptr->tstate & 0xff);
2686
    env->tl--;
2687
    env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2688
}
2689

    
2690
void helper_retry(void)
2691
{
2692
    env->pc = env->tsptr->tpc;
2693
    env->npc = env->tsptr->tnpc;
2694
    PUT_CCR(env, env->tsptr->tstate >> 32);
2695
    env->asi = (env->tsptr->tstate >> 24) & 0xff;
2696
    change_pstate((env->tsptr->tstate >> 8) & 0xf3f);
2697
    PUT_CWP64(env, env->tsptr->tstate & 0xff);
2698
    env->tl--;
2699
    env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2700
}
2701

    
2702
void helper_set_softint(uint64_t value)
2703
{
2704
    env->softint |= (uint32_t)value;
2705
}
2706

    
2707
void helper_clear_softint(uint64_t value)
2708
{
2709
    env->softint &= (uint32_t)~value;
2710
}
2711

    
2712
void helper_write_softint(uint64_t value)
2713
{
2714
    env->softint = (uint32_t)value;
2715
}
2716
#endif
2717

    
2718
void helper_flush(target_ulong addr)
2719
{
2720
    addr &= ~7;
2721
    tb_invalidate_page_range(addr, addr + 8);
2722
}
2723

    
2724
#ifdef TARGET_SPARC64
2725
#ifdef DEBUG_PCALL
2726
static const char * const excp_names[0x80] = {
2727
    [TT_TFAULT] = "Instruction Access Fault",
2728
    [TT_TMISS] = "Instruction Access MMU Miss",
2729
    [TT_CODE_ACCESS] = "Instruction Access Error",
2730
    [TT_ILL_INSN] = "Illegal Instruction",
2731
    [TT_PRIV_INSN] = "Privileged Instruction",
2732
    [TT_NFPU_INSN] = "FPU Disabled",
2733
    [TT_FP_EXCP] = "FPU Exception",
2734
    [TT_TOVF] = "Tag Overflow",
2735
    [TT_CLRWIN] = "Clean Windows",
2736
    [TT_DIV_ZERO] = "Division By Zero",
2737
    [TT_DFAULT] = "Data Access Fault",
2738
    [TT_DMISS] = "Data Access MMU Miss",
2739
    [TT_DATA_ACCESS] = "Data Access Error",
2740
    [TT_DPROT] = "Data Protection Error",
2741
    [TT_UNALIGNED] = "Unaligned Memory Access",
2742
    [TT_PRIV_ACT] = "Privileged Action",
2743
    [TT_EXTINT | 0x1] = "External Interrupt 1",
2744
    [TT_EXTINT | 0x2] = "External Interrupt 2",
2745
    [TT_EXTINT | 0x3] = "External Interrupt 3",
2746
    [TT_EXTINT | 0x4] = "External Interrupt 4",
2747
    [TT_EXTINT | 0x5] = "External Interrupt 5",
2748
    [TT_EXTINT | 0x6] = "External Interrupt 6",
2749
    [TT_EXTINT | 0x7] = "External Interrupt 7",
2750
    [TT_EXTINT | 0x8] = "External Interrupt 8",
2751
    [TT_EXTINT | 0x9] = "External Interrupt 9",
2752
    [TT_EXTINT | 0xa] = "External Interrupt 10",
2753
    [TT_EXTINT | 0xb] = "External Interrupt 11",
2754
    [TT_EXTINT | 0xc] = "External Interrupt 12",
2755
    [TT_EXTINT | 0xd] = "External Interrupt 13",
2756
    [TT_EXTINT | 0xe] = "External Interrupt 14",
2757
    [TT_EXTINT | 0xf] = "External Interrupt 15",
2758
};
2759
#endif
2760

    
2761
void do_interrupt(CPUState *env)
2762
{
2763
    int intno = env->exception_index;
2764

    
2765
#ifdef DEBUG_PCALL
2766
    if (loglevel & CPU_LOG_INT) {
2767
        static int count;
2768
        const char *name;
2769

    
2770
        if (intno < 0 || intno >= 0x180)
2771
            name = "Unknown";
2772
        else if (intno >= 0x100)
2773
            name = "Trap Instruction";
2774
        else if (intno >= 0xc0)
2775
            name = "Window Fill";
2776
        else if (intno >= 0x80)
2777
            name = "Window Spill";
2778
        else {
2779
            name = excp_names[intno];
2780
            if (!name)
2781
                name = "Unknown";
2782
        }
2783

    
2784
        fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
2785
                " SP=%016" PRIx64 "\n",
2786
                count, name, intno,
2787
                env->pc,
2788
                env->npc, env->regwptr[6]);
2789
        cpu_dump_state(env, logfile, fprintf, 0);
2790
#if 0
2791
        {
2792
            int i;
2793
            uint8_t *ptr;
2794

2795
            fprintf(logfile, "       code=");
2796
            ptr = (uint8_t *)env->pc;
2797
            for(i = 0; i < 16; i++) {
2798
                fprintf(logfile, " %02x", ldub(ptr + i));
2799
            }
2800
            fprintf(logfile, "\n");
2801
        }
2802
#endif
2803
        count++;
2804
    }
2805
#endif
2806
#if !defined(CONFIG_USER_ONLY)
2807
    if (env->tl >= env->maxtl) {
2808
        cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
2809
                  " Error state", env->exception_index, env->tl, env->maxtl);
2810
        return;
2811
    }
2812
#endif
2813
    if (env->tl < env->maxtl - 1) {
2814
        env->tl++;
2815
    } else {
2816
        env->pstate |= PS_RED;
2817
        if (env->tl < env->maxtl)
2818
            env->tl++;
2819
    }
2820
    env->tsptr = &env->ts[env->tl & MAXTL_MASK];
2821
    env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
2822
        ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
2823
        GET_CWP64(env);
2824
    env->tsptr->tpc = env->pc;
2825
    env->tsptr->tnpc = env->npc;
2826
    env->tsptr->tt = intno;
2827
    if (!(env->def->features & CPU_FEATURE_GL)) {
2828
        switch (intno) {
2829
        case TT_IVEC:
2830
            change_pstate(PS_PEF | PS_PRIV | PS_IG);
2831
            break;
2832
        case TT_TFAULT:
2833
        case TT_TMISS:
2834
        case TT_DFAULT:
2835
        case TT_DMISS:
2836
        case TT_DPROT:
2837
            change_pstate(PS_PEF | PS_PRIV | PS_MG);
2838
            break;
2839
        default:
2840
            change_pstate(PS_PEF | PS_PRIV | PS_AG);
2841
            break;
2842
        }
2843
    }
2844
    if (intno == TT_CLRWIN)
2845
        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
2846
    else if ((intno & 0x1c0) == TT_SPILL)
2847
        cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
2848
    else if ((intno & 0x1c0) == TT_FILL)
2849
        cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
2850
    env->tbr &= ~0x7fffULL;
2851
    env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
2852
    env->pc = env->tbr;
2853
    env->npc = env->pc + 4;
2854
    env->exception_index = 0;
2855
}
2856
#else
2857
#ifdef DEBUG_PCALL
2858
static const char * const excp_names[0x80] = {
2859
    [TT_TFAULT] = "Instruction Access Fault",
2860
    [TT_ILL_INSN] = "Illegal Instruction",
2861
    [TT_PRIV_INSN] = "Privileged Instruction",
2862
    [TT_NFPU_INSN] = "FPU Disabled",
2863
    [TT_WIN_OVF] = "Window Overflow",
2864
    [TT_WIN_UNF] = "Window Underflow",
2865
    [TT_UNALIGNED] = "Unaligned Memory Access",
2866
    [TT_FP_EXCP] = "FPU Exception",
2867
    [TT_DFAULT] = "Data Access Fault",
2868
    [TT_TOVF] = "Tag Overflow",
2869
    [TT_EXTINT | 0x1] = "External Interrupt 1",
2870
    [TT_EXTINT | 0x2] = "External Interrupt 2",
2871
    [TT_EXTINT | 0x3] = "External Interrupt 3",
2872
    [TT_EXTINT | 0x4] = "External Interrupt 4",
2873
    [TT_EXTINT | 0x5] = "External Interrupt 5",
2874
    [TT_EXTINT | 0x6] = "External Interrupt 6",
2875
    [TT_EXTINT | 0x7] = "External Interrupt 7",
2876
    [TT_EXTINT | 0x8] = "External Interrupt 8",
2877
    [TT_EXTINT | 0x9] = "External Interrupt 9",
2878
    [TT_EXTINT | 0xa] = "External Interrupt 10",
2879
    [TT_EXTINT | 0xb] = "External Interrupt 11",
2880
    [TT_EXTINT | 0xc] = "External Interrupt 12",
2881
    [TT_EXTINT | 0xd] = "External Interrupt 13",
2882
    [TT_EXTINT | 0xe] = "External Interrupt 14",
2883
    [TT_EXTINT | 0xf] = "External Interrupt 15",
2884
    [TT_TOVF] = "Tag Overflow",
2885
    [TT_CODE_ACCESS] = "Instruction Access Error",
2886
    [TT_DATA_ACCESS] = "Data Access Error",
2887
    [TT_DIV_ZERO] = "Division By Zero",
2888
    [TT_NCP_INSN] = "Coprocessor Disabled",
2889
};
2890
#endif
2891

    
2892
void do_interrupt(CPUState *env)
2893
{
2894
    int cwp, intno = env->exception_index;
2895

    
2896
#ifdef DEBUG_PCALL
2897
    if (loglevel & CPU_LOG_INT) {
2898
        static int count;
2899
        const char *name;
2900

    
2901
        if (intno < 0 || intno >= 0x100)
2902
            name = "Unknown";
2903
        else if (intno >= 0x80)
2904
            name = "Trap Instruction";
2905
        else {
2906
            name = excp_names[intno];
2907
            if (!name)
2908
                name = "Unknown";
2909
        }
2910

    
2911
        fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
2912
                count, name, intno,
2913
                env->pc,
2914
                env->npc, env->regwptr[6]);
2915
        cpu_dump_state(env, logfile, fprintf, 0);
2916
#if 0
2917
        {
2918
            int i;
2919
            uint8_t *ptr;
2920

2921
            fprintf(logfile, "       code=");
2922
            ptr = (uint8_t *)env->pc;
2923
            for(i = 0; i < 16; i++) {
2924
                fprintf(logfile, " %02x", ldub(ptr + i));
2925
            }
2926
            fprintf(logfile, "\n");
2927
        }
2928
#endif
2929
        count++;
2930
    }
2931
#endif
2932
#if !defined(CONFIG_USER_ONLY)
2933
    if (env->psret == 0) {
2934
        cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
2935
                  env->exception_index);
2936
        return;
2937
    }
2938
#endif
2939
    env->psret = 0;
2940
    cwp = cpu_cwp_dec(env, env->cwp - 1);
2941
    cpu_set_cwp(env, cwp);
2942
    env->regwptr[9] = env->pc;
2943
    env->regwptr[10] = env->npc;
2944
    env->psrps = env->psrs;
2945
    env->psrs = 1;
2946
    env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
2947
    env->pc = env->tbr;
2948
    env->npc = env->pc + 4;
2949
    env->exception_index = 0;
2950
}
2951
#endif
2952

    
2953
#if !defined(CONFIG_USER_ONLY)
2954

    
2955
static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2956
                                void *retaddr);
2957

    
2958
#define MMUSUFFIX _mmu
2959
#define ALIGNED_ONLY
2960

    
2961
#define SHIFT 0
2962
#include "softmmu_template.h"
2963

    
2964
#define SHIFT 1
2965
#include "softmmu_template.h"
2966

    
2967
#define SHIFT 2
2968
#include "softmmu_template.h"
2969

    
2970
#define SHIFT 3
2971
#include "softmmu_template.h"
2972

    
2973
/* XXX: make it generic ? */
2974
static void cpu_restore_state2(void *retaddr)
2975
{
2976
    TranslationBlock *tb;
2977
    unsigned long pc;
2978

    
2979
    if (retaddr) {
2980
        /* now we have a real cpu fault */
2981
        pc = (unsigned long)retaddr;
2982
        tb = tb_find_pc(pc);
2983
        if (tb) {
2984
            /* the PC is inside the translated code. It means that we have
2985
               a virtual CPU fault */
2986
            cpu_restore_state(tb, env, pc, (void *)(long)env->cond);
2987
        }
2988
    }
2989
}
2990

    
2991
static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
2992
                                void *retaddr)
2993
{
2994
#ifdef DEBUG_UNALIGNED
2995
    printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
2996
           "\n", addr, env->pc);
2997
#endif
2998
    cpu_restore_state2(retaddr);
2999
    raise_exception(TT_UNALIGNED);
3000
}
3001

    
3002
/* try to fill the TLB and return an exception if error. If retaddr is
3003
   NULL, it means that the function was called in C code (i.e. not
3004
   from generated code or from helper.c) */
3005
/* XXX: fix it to restore all registers */
3006
void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
3007
{
3008
    int ret;
3009
    CPUState *saved_env;
3010

    
3011
    /* XXX: hack to restore env in all cases, even if not called from
3012
       generated code */
3013
    saved_env = env;
3014
    env = cpu_single_env;
3015

    
3016
    ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
3017
    if (ret) {
3018
        cpu_restore_state2(retaddr);
3019
        cpu_loop_exit();
3020
    }
3021
    env = saved_env;
3022
}
3023

    
3024
#endif
3025

    
3026
#ifndef TARGET_SPARC64
3027
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3028
                          int is_asi, int size)
3029
{
3030
    CPUState *saved_env;
3031

    
3032
    /* XXX: hack to restore env in all cases, even if not called from
3033
       generated code */
3034
    saved_env = env;
3035
    env = cpu_single_env;
3036
#ifdef DEBUG_UNASSIGNED
3037
    if (is_asi)
3038
        printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3039
               " asi 0x%02x from " TARGET_FMT_lx "\n",
3040
               is_exec ? "exec" : is_write ? "write" : "read", size,
3041
               size == 1 ? "" : "s", addr, is_asi, env->pc);
3042
    else
3043
        printf("Unassigned mem %s access of %d byte%s to " TARGET_FMT_plx
3044
               " from " TARGET_FMT_lx "\n",
3045
               is_exec ? "exec" : is_write ? "write" : "read", size,
3046
               size == 1 ? "" : "s", addr, env->pc);
3047
#endif
3048
    if (env->mmuregs[3]) /* Fault status register */
3049
        env->mmuregs[3] = 1; /* overflow (not read before another fault) */
3050
    if (is_asi)
3051
        env->mmuregs[3] |= 1 << 16;
3052
    if (env->psrs)
3053
        env->mmuregs[3] |= 1 << 5;
3054
    if (is_exec)
3055
        env->mmuregs[3] |= 1 << 6;
3056
    if (is_write)
3057
        env->mmuregs[3] |= 1 << 7;
3058
    env->mmuregs[3] |= (5 << 2) | 2;
3059
    env->mmuregs[4] = addr; /* Fault address register */
3060
    if ((env->mmuregs[0] & MMU_E) && !(env->mmuregs[0] & MMU_NF)) {
3061
        if (is_exec)
3062
            raise_exception(TT_CODE_ACCESS);
3063
        else
3064
            raise_exception(TT_DATA_ACCESS);
3065
    }
3066
    env = saved_env;
3067
}
3068
#else
3069
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
3070
                          int is_asi, int size)
3071
{
3072
#ifdef DEBUG_UNASSIGNED
3073
    CPUState *saved_env;
3074

    
3075
    /* XXX: hack to restore env in all cases, even if not called from
3076
       generated code */
3077
    saved_env = env;
3078
    env = cpu_single_env;
3079
    printf("Unassigned mem access to " TARGET_FMT_plx " from " TARGET_FMT_lx
3080
           "\n", addr, env->pc);
3081
    env = saved_env;
3082
#endif
3083
    if (is_exec)
3084
        raise_exception(TT_CODE_ACCESS);
3085
    else
3086
        raise_exception(TT_DATA_ACCESS);
3087
}
3088
#endif
3089

    
3090
#ifdef TARGET_SPARC64
3091
void helper_tick_set_count(void *opaque, uint64_t count)
3092
{
3093
#if !defined(CONFIG_USER_ONLY)
3094
    cpu_tick_set_count(opaque, count);
3095
#endif
3096
}
3097

    
3098
uint64_t helper_tick_get_count(void *opaque)
3099
{
3100
#if !defined(CONFIG_USER_ONLY)
3101
    return cpu_tick_get_count(opaque);
3102
#else
3103
    return 0;
3104
#endif
3105
}
3106

    
3107
void helper_tick_set_limit(void *opaque, uint64_t limit)
3108
{
3109
#if !defined(CONFIG_USER_ONLY)
3110
    cpu_tick_set_limit(opaque, limit);
3111
#endif
3112
}
3113
#endif