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1
/*
2
 *  MIPS emulation micro-operations for qemu.
3
 * 
4
 *  Copyright (c) 2004-2005 Jocelyn Mayer
5
 *  Copyright (c) 2006 Marius Groeger (FPU operations)
6
 *
7
 * This library is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10
 * version 2 of the License, or (at your option) any later version.
11
 *
12
 * This library is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU Lesser General Public
18
 * License along with this library; if not, write to the Free Software
19
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20
 */
21

    
22
#include "config.h"
23
#include "exec.h"
24

    
25
#ifndef CALL_FROM_TB0
26
#define CALL_FROM_TB0(func) func()
27
#endif
28
#ifndef CALL_FROM_TB1
29
#define CALL_FROM_TB1(func, arg0) func(arg0)
30
#endif
31
#ifndef CALL_FROM_TB1_CONST16
32
#define CALL_FROM_TB1_CONST16(func, arg0) CALL_FROM_TB1(func, arg0)
33
#endif
34
#ifndef CALL_FROM_TB2
35
#define CALL_FROM_TB2(func, arg0, arg1) func(arg0, arg1)
36
#endif
37
#ifndef CALL_FROM_TB2_CONST16
38
#define CALL_FROM_TB2_CONST16(func, arg0, arg1)     \
39
        CALL_FROM_TB2(func, arg0, arg1)
40
#endif
41
#ifndef CALL_FROM_TB3
42
#define CALL_FROM_TB3(func, arg0, arg1, arg2) func(arg0, arg1, arg2)
43
#endif
44
#ifndef CALL_FROM_TB4
45
#define CALL_FROM_TB4(func, arg0, arg1, arg2, arg3) \
46
        func(arg0, arg1, arg2, arg3)
47
#endif
48

    
49
#define REG 1
50
#include "op_template.c"
51
#undef REG
52
#define REG 2
53
#include "op_template.c"
54
#undef REG
55
#define REG 3
56
#include "op_template.c"
57
#undef REG
58
#define REG 4
59
#include "op_template.c"
60
#undef REG
61
#define REG 5
62
#include "op_template.c"
63
#undef REG
64
#define REG 6
65
#include "op_template.c"
66
#undef REG
67
#define REG 7
68
#include "op_template.c"
69
#undef REG
70
#define REG 8
71
#include "op_template.c"
72
#undef REG
73
#define REG 9
74
#include "op_template.c"
75
#undef REG
76
#define REG 10
77
#include "op_template.c"
78
#undef REG
79
#define REG 11
80
#include "op_template.c"
81
#undef REG
82
#define REG 12
83
#include "op_template.c"
84
#undef REG
85
#define REG 13
86
#include "op_template.c"
87
#undef REG
88
#define REG 14
89
#include "op_template.c"
90
#undef REG
91
#define REG 15
92
#include "op_template.c"
93
#undef REG
94
#define REG 16
95
#include "op_template.c"
96
#undef REG
97
#define REG 17
98
#include "op_template.c"
99
#undef REG
100
#define REG 18
101
#include "op_template.c"
102
#undef REG
103
#define REG 19
104
#include "op_template.c"
105
#undef REG
106
#define REG 20
107
#include "op_template.c"
108
#undef REG
109
#define REG 21
110
#include "op_template.c"
111
#undef REG
112
#define REG 22
113
#include "op_template.c"
114
#undef REG
115
#define REG 23
116
#include "op_template.c"
117
#undef REG
118
#define REG 24
119
#include "op_template.c"
120
#undef REG
121
#define REG 25
122
#include "op_template.c"
123
#undef REG
124
#define REG 26
125
#include "op_template.c"
126
#undef REG
127
#define REG 27
128
#include "op_template.c"
129
#undef REG
130
#define REG 28
131
#include "op_template.c"
132
#undef REG
133
#define REG 29
134
#include "op_template.c"
135
#undef REG
136
#define REG 30
137
#include "op_template.c"
138
#undef REG
139
#define REG 31
140
#include "op_template.c"
141
#undef REG
142

    
143
#define TN
144
#include "op_template.c"
145
#undef TN
146

    
147
#define FREG 0
148
#include "fop_template.c"
149
#undef FREG
150
#define FREG 1
151
#include "fop_template.c"
152
#undef FREG
153
#define FREG 2
154
#include "fop_template.c"
155
#undef FREG
156
#define FREG 3
157
#include "fop_template.c"
158
#undef FREG
159
#define FREG 4
160
#include "fop_template.c"
161
#undef FREG
162
#define FREG 5
163
#include "fop_template.c"
164
#undef FREG
165
#define FREG 6
166
#include "fop_template.c"
167
#undef FREG
168
#define FREG 7
169
#include "fop_template.c"
170
#undef FREG
171
#define FREG 8
172
#include "fop_template.c"
173
#undef FREG
174
#define FREG 9
175
#include "fop_template.c"
176
#undef FREG
177
#define FREG 10
178
#include "fop_template.c"
179
#undef FREG
180
#define FREG 11
181
#include "fop_template.c"
182
#undef FREG
183
#define FREG 12
184
#include "fop_template.c"
185
#undef FREG
186
#define FREG 13
187
#include "fop_template.c"
188
#undef FREG
189
#define FREG 14
190
#include "fop_template.c"
191
#undef FREG
192
#define FREG 15
193
#include "fop_template.c"
194
#undef FREG
195
#define FREG 16
196
#include "fop_template.c"
197
#undef FREG
198
#define FREG 17
199
#include "fop_template.c"
200
#undef FREG
201
#define FREG 18
202
#include "fop_template.c"
203
#undef FREG
204
#define FREG 19
205
#include "fop_template.c"
206
#undef FREG
207
#define FREG 20
208
#include "fop_template.c"
209
#undef FREG
210
#define FREG 21
211
#include "fop_template.c"
212
#undef FREG
213
#define FREG 22
214
#include "fop_template.c"
215
#undef FREG
216
#define FREG 23
217
#include "fop_template.c"
218
#undef FREG
219
#define FREG 24
220
#include "fop_template.c"
221
#undef FREG
222
#define FREG 25
223
#include "fop_template.c"
224
#undef FREG
225
#define FREG 26
226
#include "fop_template.c"
227
#undef FREG
228
#define FREG 27
229
#include "fop_template.c"
230
#undef FREG
231
#define FREG 28
232
#include "fop_template.c"
233
#undef FREG
234
#define FREG 29
235
#include "fop_template.c"
236
#undef FREG
237
#define FREG 30
238
#include "fop_template.c"
239
#undef FREG
240
#define FREG 31
241
#include "fop_template.c"
242
#undef FREG
243

    
244
#define FTN
245
#include "fop_template.c"
246
#undef FTN
247

    
248
void op_dup_T0 (void)
249
{
250
    T2 = T0;
251
    RETURN();
252
}
253

    
254
void op_load_HI (void)
255
{
256
    T0 = env->HI;
257
    RETURN();
258
}
259

    
260
void op_store_HI (void)
261
{
262
    env->HI = T0;
263
    RETURN();
264
}
265

    
266
void op_load_LO (void)
267
{
268
    T0 = env->LO;
269
    RETURN();
270
}
271

    
272
void op_store_LO (void)
273
{
274
    env->LO = T0;
275
    RETURN();
276
}
277

    
278
/* Load and store */
279
#define MEMSUFFIX _raw
280
#include "op_mem.c"
281
#undef MEMSUFFIX
282
#if !defined(CONFIG_USER_ONLY)
283
#define MEMSUFFIX _user
284
#include "op_mem.c"
285
#undef MEMSUFFIX
286

    
287
#define MEMSUFFIX _kernel
288
#include "op_mem.c"
289
#undef MEMSUFFIX
290
#endif
291

    
292
/* Addresses computation */
293
void op_addr_add (void)
294
{
295
/* For compatibility with 32-bit code, data reference in user mode
296
   with Status_UX = 0 should be casted to 32-bit and sign extended.
297
   See the MIPS64 PRA manual, section 4.10. */
298
#ifdef TARGET_MIPS64
299
    if ((env->CP0_Status & (1 << CP0St_UM)) &&
300
        !(env->CP0_Status & (1 << CP0St_UX)))
301
        T0 = (int64_t)(int32_t)(T0 + T1);
302
    else
303
#endif
304
        T0 += T1;
305
    RETURN();
306
}
307

    
308
/* Arithmetic */
309
void op_add (void)
310
{
311
    T0 = (int32_t)((int32_t)T0 + (int32_t)T1);
312
    RETURN();
313
}
314

    
315
void op_addo (void)
316
{
317
    target_ulong tmp;
318

    
319
    tmp = (int32_t)T0;
320
    T0 = (int32_t)T0 + (int32_t)T1;
321
    if (((tmp ^ T1 ^ (-1)) & (T0 ^ T1)) >> 31) {
322
        /* operands of same sign, result different sign */
323
        CALL_FROM_TB1(do_raise_exception, EXCP_OVERFLOW);
324
    }
325
    T0 = (int32_t)T0;
326
    RETURN();
327
}
328

    
329
void op_sub (void)
330
{
331
    T0 = (int32_t)((int32_t)T0 - (int32_t)T1);
332
    RETURN();
333
}
334

    
335
void op_subo (void)
336
{
337
    target_ulong tmp;
338

    
339
    tmp = (int32_t)T0;
340
    T0 = (int32_t)T0 - (int32_t)T1;
341
    if (((tmp ^ T1) & (tmp ^ T0)) >> 31) {
342
        /* operands of different sign, first operand and result different sign */
343
        CALL_FROM_TB1(do_raise_exception, EXCP_OVERFLOW);
344
    }
345
    T0 = (int32_t)T0;
346
    RETURN();
347
}
348

    
349
void op_mul (void)
350
{
351
    T0 = (int32_t)((int32_t)T0 * (int32_t)T1);
352
    RETURN();
353
}
354

    
355
#if HOST_LONG_BITS < 64
356
void op_div (void)
357
{
358
    CALL_FROM_TB0(do_div);
359
    RETURN();
360
}
361
#else
362
void op_div (void)
363
{
364
    if (T1 != 0) {
365
        env->LO = (int32_t)((int64_t)(int32_t)T0 / (int32_t)T1);
366
        env->HI = (int32_t)((int64_t)(int32_t)T0 % (int32_t)T1);
367
    }
368
    RETURN();
369
}
370
#endif
371

    
372
void op_divu (void)
373
{
374
    if (T1 != 0) {
375
        env->LO = (int32_t)((uint32_t)T0 / (uint32_t)T1);
376
        env->HI = (int32_t)((uint32_t)T0 % (uint32_t)T1);
377
    }
378
    RETURN();
379
}
380

    
381
#ifdef TARGET_MIPS64
382
/* Arithmetic */
383
void op_dadd (void)
384
{
385
    T0 += T1;
386
    RETURN();
387
}
388

    
389
void op_daddo (void)
390
{
391
    target_long tmp;
392

    
393
    tmp = T0;
394
    T0 += T1;
395
    if (((tmp ^ T1 ^ (-1)) & (T0 ^ T1)) >> 63) {
396
        /* operands of same sign, result different sign */
397
        CALL_FROM_TB1(do_raise_exception, EXCP_OVERFLOW);
398
    }
399
    RETURN();
400
}
401

    
402
void op_dsub (void)
403
{
404
    T0 -= T1;
405
    RETURN();
406
}
407

    
408
void op_dsubo (void)
409
{
410
    target_long tmp;
411

    
412
    tmp = T0;
413
    T0 = (int64_t)T0 - (int64_t)T1;
414
    if (((tmp ^ T1) & (tmp ^ T0)) >> 63) {
415
        /* operands of different sign, first operand and result different sign */
416
        CALL_FROM_TB1(do_raise_exception, EXCP_OVERFLOW);
417
    }
418
    RETURN();
419
}
420

    
421
void op_dmul (void)
422
{
423
    T0 = (int64_t)T0 * (int64_t)T1;
424
    RETURN();
425
}
426

    
427
/* Those might call libgcc functions.  */
428
void op_ddiv (void)
429
{
430
    do_ddiv();
431
    RETURN();
432
}
433

    
434
#if TARGET_LONG_BITS > HOST_LONG_BITS
435
void op_ddivu (void)
436
{
437
    do_ddivu();
438
    RETURN();
439
}
440
#else
441
void op_ddivu (void)
442
{
443
    if (T1 != 0) {
444
        env->LO = T0 / T1;
445
        env->HI = T0 % T1;
446
    }
447
    RETURN();
448
}
449
#endif
450
#endif /* TARGET_MIPS64 */
451

    
452
/* Logical */
453
void op_and (void)
454
{
455
    T0 &= T1;
456
    RETURN();
457
}
458

    
459
void op_nor (void)
460
{
461
    T0 = ~(T0 | T1);
462
    RETURN();
463
}
464

    
465
void op_or (void)
466
{
467
    T0 |= T1;
468
    RETURN();
469
}
470

    
471
void op_xor (void)
472
{
473
    T0 ^= T1;
474
    RETURN();
475
}
476

    
477
void op_sll (void)
478
{
479
    T0 = (int32_t)((uint32_t)T0 << T1);
480
    RETURN();
481
}
482

    
483
void op_sra (void)
484
{
485
    T0 = (int32_t)((int32_t)T0 >> T1);
486
    RETURN();
487
}
488

    
489
void op_srl (void)
490
{
491
    T0 = (int32_t)((uint32_t)T0 >> T1);
492
    RETURN();
493
}
494

    
495
void op_rotr (void)
496
{
497
    target_ulong tmp;
498

    
499
    if (T1) {
500
       tmp = (int32_t)((uint32_t)T0 << (0x20 - T1));
501
       T0 = (int32_t)((uint32_t)T0 >> T1) | tmp;
502
    }
503
    RETURN();
504
}
505

    
506
void op_sllv (void)
507
{
508
    T0 = (int32_t)((uint32_t)T1 << ((uint32_t)T0 & 0x1F));
509
    RETURN();
510
}
511

    
512
void op_srav (void)
513
{
514
    T0 = (int32_t)((int32_t)T1 >> (T0 & 0x1F));
515
    RETURN();
516
}
517

    
518
void op_srlv (void)
519
{
520
    T0 = (int32_t)((uint32_t)T1 >> (T0 & 0x1F));
521
    RETURN();
522
}
523

    
524
void op_rotrv (void)
525
{
526
    target_ulong tmp;
527

    
528
    T0 &= 0x1F;
529
    if (T0) {
530
       tmp = (int32_t)((uint32_t)T1 << (0x20 - T0));
531
       T0 = (int32_t)((uint32_t)T1 >> T0) | tmp;
532
    } else
533
       T0 = T1;
534
    RETURN();
535
}
536

    
537
void op_clo (void)
538
{
539
    int n;
540

    
541
    if (T0 == ~((target_ulong)0)) {
542
        T0 = 32;
543
    } else {
544
        for (n = 0; n < 32; n++) {
545
            if (!(T0 & (1 << 31)))
546
                break;
547
            T0 = T0 << 1;
548
        }
549
        T0 = n;
550
    }
551
    RETURN();
552
}
553

    
554
void op_clz (void)
555
{
556
    int n;
557

    
558
    if (T0 == 0) {
559
        T0 = 32;
560
    } else {
561
        for (n = 0; n < 32; n++) {
562
            if (T0 & (1 << 31))
563
                break;
564
            T0 = T0 << 1;
565
        }
566
        T0 = n;
567
    }
568
    RETURN();
569
}
570

    
571
#ifdef TARGET_MIPS64
572

    
573
#if TARGET_LONG_BITS > HOST_LONG_BITS
574
/* Those might call libgcc functions.  */
575
void op_dsll (void)
576
{
577
    CALL_FROM_TB0(do_dsll);
578
    RETURN();
579
}
580

    
581
void op_dsll32 (void)
582
{
583
    CALL_FROM_TB0(do_dsll32);
584
    RETURN();
585
}
586

    
587
void op_dsra (void)
588
{
589
    CALL_FROM_TB0(do_dsra);
590
    RETURN();
591
}
592

    
593
void op_dsra32 (void)
594
{
595
    CALL_FROM_TB0(do_dsra32);
596
    RETURN();
597
}
598

    
599
void op_dsrl (void)
600
{
601
    CALL_FROM_TB0(do_dsrl);
602
    RETURN();
603
}
604

    
605
void op_dsrl32 (void)
606
{
607
    CALL_FROM_TB0(do_dsrl32);
608
    RETURN();
609
}
610

    
611
void op_drotr (void)
612
{
613
    CALL_FROM_TB0(do_drotr);
614
    RETURN();
615
}
616

    
617
void op_drotr32 (void)
618
{
619
    CALL_FROM_TB0(do_drotr32);
620
    RETURN();
621
}
622

    
623
void op_dsllv (void)
624
{
625
    CALL_FROM_TB0(do_dsllv);
626
    RETURN();
627
}
628

    
629
void op_dsrav (void)
630
{
631
    CALL_FROM_TB0(do_dsrav);
632
    RETURN();
633
}
634

    
635
void op_dsrlv (void)
636
{
637
    CALL_FROM_TB0(do_dsrlv);
638
    RETURN();
639
}
640

    
641
void op_drotrv (void)
642
{
643
    CALL_FROM_TB0(do_drotrv);
644
    RETURN();
645
}
646

    
647
#else /* TARGET_LONG_BITS > HOST_LONG_BITS */
648

    
649
void op_dsll (void)
650
{
651
    T0 = T0 << T1;
652
    RETURN();
653
}
654

    
655
void op_dsll32 (void)
656
{
657
    T0 = T0 << (T1 + 32);
658
    RETURN();
659
}
660

    
661
void op_dsra (void)
662
{
663
    T0 = (int64_t)T0 >> T1;
664
    RETURN();
665
}
666

    
667
void op_dsra32 (void)
668
{
669
    T0 = (int64_t)T0 >> (T1 + 32);
670
    RETURN();
671
}
672

    
673
void op_dsrl (void)
674
{
675
    T0 = T0 >> T1;
676
    RETURN();
677
}
678

    
679
void op_dsrl32 (void)
680
{
681
    T0 = T0 >> (T1 + 32);
682
    RETURN();
683
}
684

    
685
void op_drotr (void)
686
{
687
    target_ulong tmp;
688

    
689
    if (T1) {
690
       tmp = T0 << (0x40 - T1);
691
       T0 = (T0 >> T1) | tmp;
692
    }
693
    RETURN();
694
}
695

    
696
void op_drotr32 (void)
697
{
698
    target_ulong tmp;
699

    
700
    if (T1) {
701
       tmp = T0 << (0x40 - (32 + T1));
702
       T0 = (T0 >> (32 + T1)) | tmp;
703
    }
704
    RETURN();
705
}
706

    
707
void op_dsllv (void)
708
{
709
    T0 = T1 << (T0 & 0x3F);
710
    RETURN();
711
}
712

    
713
void op_dsrav (void)
714
{
715
    T0 = (int64_t)T1 >> (T0 & 0x3F);
716
    RETURN();
717
}
718

    
719
void op_dsrlv (void)
720
{
721
    T0 = T1 >> (T0 & 0x3F);
722
    RETURN();
723
}
724

    
725
void op_drotrv (void)
726
{
727
    target_ulong tmp;
728

    
729
    T0 &= 0x3F;
730
    if (T0) {
731
       tmp = T1 << (0x40 - T0);
732
       T0 = (T1 >> T0) | tmp;
733
    } else
734
       T0 = T1;
735
    RETURN();
736
}
737
#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
738

    
739
void op_dclo (void)
740
{
741
    int n;
742

    
743
    if (T0 == ~((target_ulong)0)) {
744
        T0 = 64;
745
    } else {
746
        for (n = 0; n < 64; n++) {
747
            if (!(T0 & (1ULL << 63)))
748
                break;
749
            T0 = T0 << 1;
750
        }
751
        T0 = n;
752
    }
753
    RETURN();
754
}
755

    
756
void op_dclz (void)
757
{
758
    int n;
759

    
760
    if (T0 == 0) {
761
        T0 = 64;
762
    } else {
763
        for (n = 0; n < 64; n++) {
764
            if (T0 & (1ULL << 63))
765
                break;
766
            T0 = T0 << 1;
767
        }
768
        T0 = n;
769
    }
770
    RETURN();
771
}
772
#endif
773

    
774
/* 64 bits arithmetic */
775
#if TARGET_LONG_BITS > HOST_LONG_BITS
776
void op_mult (void)
777
{
778
    CALL_FROM_TB0(do_mult);
779
    RETURN();
780
}
781

    
782
void op_multu (void)
783
{
784
    CALL_FROM_TB0(do_multu);
785
    RETURN();
786
}
787

    
788
void op_madd (void)
789
{
790
    CALL_FROM_TB0(do_madd);
791
    RETURN();
792
}
793

    
794
void op_maddu (void)
795
{
796
    CALL_FROM_TB0(do_maddu);
797
    RETURN();
798
}
799

    
800
void op_msub (void)
801
{
802
    CALL_FROM_TB0(do_msub);
803
    RETURN();
804
}
805

    
806
void op_msubu (void)
807
{
808
    CALL_FROM_TB0(do_msubu);
809
    RETURN();
810
}
811

    
812
#else /* TARGET_LONG_BITS > HOST_LONG_BITS */
813

    
814
static inline uint64_t get_HILO (void)
815
{
816
    return ((uint64_t)env->HI << 32) | ((uint64_t)(uint32_t)env->LO);
817
}
818

    
819
static inline void set_HILO (uint64_t HILO)
820
{
821
    env->LO = (int32_t)(HILO & 0xFFFFFFFF);
822
    env->HI = (int32_t)(HILO >> 32);
823
}
824

    
825
void op_mult (void)
826
{
827
    set_HILO((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
828
    RETURN();
829
}
830

    
831
void op_multu (void)
832
{
833
    set_HILO((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
834
    RETURN();
835
}
836

    
837
void op_madd (void)
838
{
839
    int64_t tmp;
840

    
841
    tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
842
    set_HILO((int64_t)get_HILO() + tmp);
843
    RETURN();
844
}
845

    
846
void op_maddu (void)
847
{
848
    uint64_t tmp;
849

    
850
    tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
851
    set_HILO(get_HILO() + tmp);
852
    RETURN();
853
}
854

    
855
void op_msub (void)
856
{
857
    int64_t tmp;
858

    
859
    tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
860
    set_HILO((int64_t)get_HILO() - tmp);
861
    RETURN();
862
}
863

    
864
void op_msubu (void)
865
{
866
    uint64_t tmp;
867

    
868
    tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
869
    set_HILO(get_HILO() - tmp);
870
    RETURN();
871
}
872
#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
873

    
874
#ifdef TARGET_MIPS64
875
void op_dmult (void)
876
{
877
    CALL_FROM_TB4(muls64, &(env->HI), &(env->LO), T0, T1);
878
    RETURN();
879
}
880

    
881
void op_dmultu (void)
882
{
883
    CALL_FROM_TB4(mulu64, &(env->HI), &(env->LO), T0, T1);
884
    RETURN();
885
}
886
#endif
887

    
888
/* Conditional moves */
889
void op_movn (void)
890
{
891
    if (T1 != 0)
892
        env->gpr[PARAM1] = T0;
893
    RETURN();
894
}
895

    
896
void op_movz (void)
897
{
898
    if (T1 == 0)
899
        env->gpr[PARAM1] = T0;
900
    RETURN();
901
}
902

    
903
void op_movf (void)
904
{
905
    if (!(env->fcr31 & PARAM1))
906
        T0 = T1;
907
    RETURN();
908
}
909

    
910
void op_movt (void)
911
{
912
    if (env->fcr31 & PARAM1)
913
        T0 = T1;
914
    RETURN();
915
}
916

    
917
/* Tests */
918
#define OP_COND(name, cond) \
919
void glue(op_, name) (void) \
920
{                           \
921
    if (cond) {             \
922
        T0 = 1;             \
923
    } else {                \
924
        T0 = 0;             \
925
    }                       \
926
    RETURN();               \
927
}
928

    
929
OP_COND(eq, T0 == T1);
930
OP_COND(ne, T0 != T1);
931
OP_COND(ge, (target_long)T0 >= (target_long)T1);
932
OP_COND(geu, T0 >= T1);
933
OP_COND(lt, (target_long)T0 < (target_long)T1);
934
OP_COND(ltu, T0 < T1);
935
OP_COND(gez, (target_long)T0 >= 0);
936
OP_COND(gtz, (target_long)T0 > 0);
937
OP_COND(lez, (target_long)T0 <= 0);
938
OP_COND(ltz, (target_long)T0 < 0);
939

    
940
/* Branches */
941
void OPPROTO op_goto_tb0(void)
942
{
943
    GOTO_TB(op_goto_tb0, PARAM1, 0);
944
    RETURN();
945
}
946

    
947
void OPPROTO op_goto_tb1(void)
948
{
949
    GOTO_TB(op_goto_tb1, PARAM1, 1);
950
    RETURN();
951
}
952

    
953
/* Branch to register */
954
void op_save_breg_target (void)
955
{
956
    env->btarget = T2;
957
    RETURN();
958
}
959

    
960
void op_restore_breg_target (void)
961
{
962
    T2 = env->btarget;
963
    RETURN();
964
}
965

    
966
void op_breg (void)
967
{
968
    env->PC = T2;
969
    RETURN();
970
}
971

    
972
void op_save_btarget (void)
973
{
974
    env->btarget = PARAM1;
975
    RETURN();
976
}
977

    
978
/* Conditional branch */
979
void op_set_bcond (void)
980
{
981
    T2 = T0;
982
    RETURN();
983
}
984

    
985
void op_save_bcond (void)
986
{
987
    env->bcond = T2;
988
    RETURN();
989
}
990

    
991
void op_restore_bcond (void)
992
{
993
    T2 = env->bcond;
994
    RETURN();
995
}
996

    
997
void op_jnz_T2 (void)
998
{
999
    if (T2)
1000
        GOTO_LABEL_PARAM(1);
1001
    RETURN();
1002
}
1003

    
1004
void op_flush_icache_range(void) {
1005
    CALL_FROM_TB2(tlb_flush_page, env, T0 + T1);
1006
    RETURN();
1007
}
1008

    
1009
void op_flush_icache_all(void) {
1010
    CALL_FROM_TB1(tb_flush, env);
1011
    RETURN();
1012
}
1013

    
1014
/* CP0 functions */
1015
void op_mfc0_index (void)
1016
{
1017
    T0 = env->CP0_Index;
1018
    RETURN();
1019
}
1020

    
1021
void op_mfc0_random (void)
1022
{
1023
    CALL_FROM_TB0(do_mfc0_random);
1024
    RETURN();
1025
}
1026

    
1027
void op_mfc0_entrylo0 (void)
1028
{
1029
    T0 = (int32_t)env->CP0_EntryLo0;
1030
    RETURN();
1031
}
1032

    
1033
void op_mfc0_entrylo1 (void)
1034
{
1035
    T0 = (int32_t)env->CP0_EntryLo1;
1036
    RETURN();
1037
}
1038

    
1039
void op_mfc0_context (void)
1040
{
1041
    T0 = (int32_t)env->CP0_Context;
1042
    RETURN();
1043
}
1044

    
1045
void op_mfc0_pagemask (void)
1046
{
1047
    T0 = env->CP0_PageMask;
1048
    RETURN();
1049
}
1050

    
1051
void op_mfc0_pagegrain (void)
1052
{
1053
    T0 = env->CP0_PageGrain;
1054
    RETURN();
1055
}
1056

    
1057
void op_mfc0_wired (void)
1058
{
1059
    T0 = env->CP0_Wired;
1060
    RETURN();
1061
}
1062

    
1063
void op_mfc0_hwrena (void)
1064
{
1065
    T0 = env->CP0_HWREna;
1066
    RETURN();
1067
}
1068

    
1069
void op_mfc0_badvaddr (void)
1070
{
1071
    T0 = (int32_t)env->CP0_BadVAddr;
1072
    RETURN();
1073
}
1074

    
1075
void op_mfc0_count (void)
1076
{
1077
    CALL_FROM_TB0(do_mfc0_count);
1078
    RETURN();
1079
}
1080

    
1081
void op_mfc0_entryhi (void)
1082
{
1083
    T0 = (int32_t)env->CP0_EntryHi;
1084
    RETURN();
1085
}
1086

    
1087
void op_mfc0_compare (void)
1088
{
1089
    T0 = env->CP0_Compare;
1090
    RETURN();
1091
}
1092

    
1093
void op_mfc0_status (void)
1094
{
1095
    T0 = env->CP0_Status;
1096
    RETURN();
1097
}
1098

    
1099
void op_mfc0_intctl (void)
1100
{
1101
    T0 = env->CP0_IntCtl;
1102
    RETURN();
1103
}
1104

    
1105
void op_mfc0_srsctl (void)
1106
{
1107
    T0 = env->CP0_SRSCtl;
1108
    RETURN();
1109
}
1110

    
1111
void op_mfc0_srsmap (void)
1112
{
1113
    T0 = env->CP0_SRSMap;
1114
    RETURN();
1115
}
1116

    
1117
void op_mfc0_cause (void)
1118
{
1119
    T0 = env->CP0_Cause;
1120
    RETURN();
1121
}
1122

    
1123
void op_mfc0_epc (void)
1124
{
1125
    T0 = (int32_t)env->CP0_EPC;
1126
    RETURN();
1127
}
1128

    
1129
void op_mfc0_prid (void)
1130
{
1131
    T0 = env->CP0_PRid;
1132
    RETURN();
1133
}
1134

    
1135
void op_mfc0_ebase (void)
1136
{
1137
    T0 = env->CP0_EBase;
1138
    RETURN();
1139
}
1140

    
1141
void op_mfc0_config0 (void)
1142
{
1143
    T0 = env->CP0_Config0;
1144
    RETURN();
1145
}
1146

    
1147
void op_mfc0_config1 (void)
1148
{
1149
    T0 = env->CP0_Config1;
1150
    RETURN();
1151
}
1152

    
1153
void op_mfc0_config2 (void)
1154
{
1155
    T0 = env->CP0_Config2;
1156
    RETURN();
1157
}
1158

    
1159
void op_mfc0_config3 (void)
1160
{
1161
    T0 = env->CP0_Config3;
1162
    RETURN();
1163
}
1164

    
1165
void op_mfc0_config6 (void)
1166
{
1167
    T0 = env->CP0_Config6;
1168
    RETURN();
1169
}
1170

    
1171
void op_mfc0_config7 (void)
1172
{
1173
    T0 = env->CP0_Config7;
1174
    RETURN();
1175
}
1176

    
1177
void op_mfc0_lladdr (void)
1178
{
1179
    T0 = (int32_t)env->CP0_LLAddr >> 4;
1180
    RETURN();
1181
}
1182

    
1183
void op_mfc0_watchlo0 (void)
1184
{
1185
    T0 = (int32_t)env->CP0_WatchLo;
1186
    RETURN();
1187
}
1188

    
1189
void op_mfc0_watchhi0 (void)
1190
{
1191
    T0 = env->CP0_WatchHi;
1192
    RETURN();
1193
}
1194

    
1195
void op_mfc0_xcontext (void)
1196
{
1197
    T0 = (int32_t)env->CP0_XContext;
1198
    RETURN();
1199
}
1200

    
1201
void op_mfc0_framemask (void)
1202
{
1203
    T0 = env->CP0_Framemask;
1204
    RETURN();
1205
}
1206

    
1207
void op_mfc0_debug (void)
1208
{
1209
    T0 = env->CP0_Debug;
1210
    if (env->hflags & MIPS_HFLAG_DM)
1211
        T0 |= 1 << CP0DB_DM;
1212
    RETURN();
1213
}
1214

    
1215
void op_mfc0_depc (void)
1216
{
1217
    T0 = (int32_t)env->CP0_DEPC;
1218
    RETURN();
1219
}
1220

    
1221
void op_mfc0_performance0 (void)
1222
{
1223
    T0 = env->CP0_Performance0;
1224
    RETURN();
1225
}
1226

    
1227
void op_mfc0_taglo (void)
1228
{
1229
    T0 = env->CP0_TagLo;
1230
    RETURN();
1231
}
1232

    
1233
void op_mfc0_datalo (void)
1234
{
1235
    T0 = env->CP0_DataLo;
1236
    RETURN();
1237
}
1238

    
1239
void op_mfc0_taghi (void)
1240
{
1241
    T0 = env->CP0_TagHi;
1242
    RETURN();
1243
}
1244

    
1245
void op_mfc0_datahi (void)
1246
{
1247
    T0 = env->CP0_DataHi;
1248
    RETURN();
1249
}
1250

    
1251
void op_mfc0_errorepc (void)
1252
{
1253
    T0 = (int32_t)env->CP0_ErrorEPC;
1254
    RETURN();
1255
}
1256

    
1257
void op_mfc0_desave (void)
1258
{
1259
    T0 = env->CP0_DESAVE;
1260
    RETURN();
1261
}
1262

    
1263
void op_mtc0_index (void)
1264
{
1265
    env->CP0_Index = (env->CP0_Index & 0x80000000) | (T0 % env->nb_tlb);
1266
    RETURN();
1267
}
1268

    
1269
void op_mtc0_entrylo0 (void)
1270
{
1271
    /* Large physaddr not implemented */
1272
    /* 1k pages not implemented */
1273
    env->CP0_EntryLo0 = T0 & 0x3FFFFFFF;
1274
    RETURN();
1275
}
1276

    
1277
void op_mtc0_entrylo1 (void)
1278
{
1279
    /* Large physaddr not implemented */
1280
    /* 1k pages not implemented */
1281
    env->CP0_EntryLo1 = T0 & 0x3FFFFFFF;
1282
    RETURN();
1283
}
1284

    
1285
void op_mtc0_context (void)
1286
{
1287
    env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (T0 & ~0x007FFFFF);
1288
    RETURN();
1289
}
1290

    
1291
void op_mtc0_pagemask (void)
1292
{
1293
    /* 1k pages not implemented */
1294
    env->CP0_PageMask = T0 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1295
    RETURN();
1296
}
1297

    
1298
void op_mtc0_pagegrain (void)
1299
{
1300
    /* SmartMIPS not implemented */
1301
    /* Large physaddr not implemented */
1302
    /* 1k pages not implemented */
1303
    env->CP0_PageGrain = 0;
1304
    RETURN();
1305
}
1306

    
1307
void op_mtc0_wired (void)
1308
{
1309
    env->CP0_Wired = T0 % env->nb_tlb;
1310
    RETURN();
1311
}
1312

    
1313
void op_mtc0_hwrena (void)
1314
{
1315
    env->CP0_HWREna = T0 & 0x0000000F;
1316
    RETURN();
1317
}
1318

    
1319
void op_mtc0_count (void)
1320
{
1321
    CALL_FROM_TB2(cpu_mips_store_count, env, T0);
1322
    RETURN();
1323
}
1324

    
1325
void op_mtc0_entryhi (void)
1326
{
1327
    target_ulong old, val;
1328

    
1329
    /* 1k pages not implemented */
1330
    val = T0 & ((TARGET_PAGE_MASK << 1) | 0xFF);
1331
#ifdef TARGET_MIPS64
1332
    val = T0 & 0xC00000FFFFFFFFFFULL;
1333
#endif
1334
    old = env->CP0_EntryHi;
1335
    env->CP0_EntryHi = val;
1336
    /* If the ASID changes, flush qemu's TLB.  */
1337
    if ((old & 0xFF) != (val & 0xFF))
1338
        CALL_FROM_TB2(cpu_mips_tlb_flush, env, 1);
1339
    RETURN();
1340
}
1341

    
1342
void op_mtc0_compare (void)
1343
{
1344
    CALL_FROM_TB2(cpu_mips_store_compare, env, T0);
1345
    RETURN();
1346
}
1347

    
1348
void op_mtc0_status (void)
1349
{
1350
    uint32_t val, old;
1351
    uint32_t mask = env->Status_rw_bitmask;
1352

    
1353
    /* No reverse endianness, no MDMX/DSP, no 64bit ops
1354
       implemented. */
1355
    val = T0 & mask;
1356
    old = env->CP0_Status;
1357
    if (!(val & (1 << CP0St_EXL)) &&
1358
        !(val & (1 << CP0St_ERL)) &&
1359
        !(env->hflags & MIPS_HFLAG_DM) &&
1360
        (val & (1 << CP0St_UM)))
1361
        env->hflags |= MIPS_HFLAG_UM;
1362
    env->CP0_Status = (env->CP0_Status & ~mask) | val;
1363
    if (loglevel & CPU_LOG_EXEC)
1364
        CALL_FROM_TB2(do_mtc0_status_debug, old, val);
1365
    CALL_FROM_TB1(cpu_mips_update_irq, env);
1366
    RETURN();
1367
}
1368

    
1369
void op_mtc0_intctl (void)
1370
{
1371
    /* vectored interrupts not implemented, timer on int 7,
1372
       no performance counters. */
1373
    env->CP0_IntCtl |= T0 & 0x000002e0;
1374
    RETURN();
1375
}
1376

    
1377
void op_mtc0_srsctl (void)
1378
{
1379
    /* shadow registers not implemented */
1380
    env->CP0_SRSCtl = 0;
1381
    RETURN();
1382
}
1383

    
1384
void op_mtc0_srsmap (void)
1385
{
1386
    /* shadow registers not implemented */
1387
    env->CP0_SRSMap = 0;
1388
    RETURN();
1389
}
1390

    
1391
void op_mtc0_cause (void)
1392
{
1393
    uint32_t mask = 0x00C00300;
1394

    
1395
    if ((env->CP0_Config0 & (0x7 << CP0C0_AR)) == (1 << CP0C0_AR))
1396
        mask |= 1 << CP0Ca_DC;
1397

    
1398
    env->CP0_Cause = (env->CP0_Cause & ~mask) | (T0 & mask);
1399

    
1400
    /* Handle the software interrupt as an hardware one, as they
1401
       are very similar */
1402
    if (T0 & CP0Ca_IP_mask) {
1403
        CALL_FROM_TB1(cpu_mips_update_irq, env);
1404
    }
1405
    RETURN();
1406
}
1407

    
1408
void op_mtc0_epc (void)
1409
{
1410
    env->CP0_EPC = T0;
1411
    RETURN();
1412
}
1413

    
1414
void op_mtc0_ebase (void)
1415
{
1416
    /* vectored interrupts not implemented */
1417
    /* Multi-CPU not implemented */
1418
    env->CP0_EBase = 0x80000000 | (T0 & 0x3FFFF000);
1419
    RETURN();
1420
}
1421

    
1422
void op_mtc0_config0 (void)
1423
{
1424
    env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (T0 & 0x00000001);
1425
    RETURN();
1426
}
1427

    
1428
void op_mtc0_config2 (void)
1429
{
1430
    /* tertiary/secondary caches not implemented */
1431
    env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1432
    RETURN();
1433
}
1434

    
1435
void op_mtc0_watchlo0 (void)
1436
{
1437
    /* Watch exceptions for instructions, data loads, data stores
1438
       not implemented. */
1439
    env->CP0_WatchLo = (T0 & ~0x7);
1440
    RETURN();
1441
}
1442

    
1443
void op_mtc0_watchhi0 (void)
1444
{
1445
    env->CP0_WatchHi = (T0 & 0x40FF0FF8);
1446
    env->CP0_WatchHi &= ~(env->CP0_WatchHi & T0 & 0x7);
1447
    RETURN();
1448
}
1449

    
1450
void op_mtc0_framemask (void)
1451
{
1452
    env->CP0_Framemask = T0; /* XXX */
1453
    RETURN();
1454
}
1455

    
1456
void op_mtc0_debug (void)
1457
{
1458
    env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (T0 & 0x13300120);
1459
    if (T0 & (1 << CP0DB_DM))
1460
        env->hflags |= MIPS_HFLAG_DM;
1461
    else
1462
        env->hflags &= ~MIPS_HFLAG_DM;
1463
    RETURN();
1464
}
1465

    
1466
void op_mtc0_depc (void)
1467
{
1468
    env->CP0_DEPC = T0;
1469
    RETURN();
1470
}
1471

    
1472
void op_mtc0_performance0 (void)
1473
{
1474
    env->CP0_Performance0 = T0; /* XXX */
1475
    RETURN();
1476
}
1477

    
1478
void op_mtc0_taglo (void)
1479
{
1480
    env->CP0_TagLo = T0 & 0xFFFFFCF6;
1481
    RETURN();
1482
}
1483

    
1484
void op_mtc0_datalo (void)
1485
{
1486
    env->CP0_DataLo = T0; /* XXX */
1487
    RETURN();
1488
}
1489

    
1490
void op_mtc0_taghi (void)
1491
{
1492
    env->CP0_TagHi = T0; /* XXX */
1493
    RETURN();
1494
}
1495

    
1496
void op_mtc0_datahi (void)
1497
{
1498
    env->CP0_DataHi = T0; /* XXX */
1499
    RETURN();
1500
}
1501

    
1502
void op_mtc0_errorepc (void)
1503
{
1504
    env->CP0_ErrorEPC = T0;
1505
    RETURN();
1506
}
1507

    
1508
void op_mtc0_desave (void)
1509
{
1510
    env->CP0_DESAVE = T0;
1511
    RETURN();
1512
}
1513

    
1514
#ifdef TARGET_MIPS64
1515
void op_mtc0_xcontext (void)
1516
{
1517
    env->CP0_XContext = (env->CP0_XContext & 0x1ffffffffULL) | (T0 & ~0x1ffffffffULL);
1518
    RETURN();
1519
}
1520

    
1521
void op_dmfc0_entrylo0 (void)
1522
{
1523
    T0 = env->CP0_EntryLo0;
1524
    RETURN();
1525
}
1526

    
1527
void op_dmfc0_entrylo1 (void)
1528
{
1529
    T0 = env->CP0_EntryLo1;
1530
    RETURN();
1531
}
1532

    
1533
void op_dmfc0_context (void)
1534
{
1535
    T0 = env->CP0_Context;
1536
    RETURN();
1537
}
1538

    
1539
void op_dmfc0_badvaddr (void)
1540
{
1541
    T0 = env->CP0_BadVAddr;
1542
    RETURN();
1543
}
1544

    
1545
void op_dmfc0_entryhi (void)
1546
{
1547
    T0 = env->CP0_EntryHi;
1548
    RETURN();
1549
}
1550

    
1551
void op_dmfc0_epc (void)
1552
{
1553
    T0 = env->CP0_EPC;
1554
    RETURN();
1555
}
1556

    
1557
void op_dmfc0_lladdr (void)
1558
{
1559
    T0 = env->CP0_LLAddr >> 4;
1560
    RETURN();
1561
}
1562

    
1563
void op_dmfc0_watchlo0 (void)
1564
{
1565
    T0 = env->CP0_WatchLo;
1566
    RETURN();
1567
}
1568

    
1569
void op_dmfc0_xcontext (void)
1570
{
1571
    T0 = env->CP0_XContext;
1572
    RETURN();
1573
}
1574

    
1575
void op_dmfc0_depc (void)
1576
{
1577
    T0 = env->CP0_DEPC;
1578
    RETURN();
1579
}
1580

    
1581
void op_dmfc0_errorepc (void)
1582
{
1583
    T0 = env->CP0_ErrorEPC;
1584
    RETURN();
1585
}
1586
#endif /* TARGET_MIPS64 */
1587

    
1588
/* CP1 functions */
1589
#if 0
1590
# define DEBUG_FPU_STATE() CALL_FROM_TB1(dump_fpu, env)
1591
#else
1592
# define DEBUG_FPU_STATE() do { } while(0)
1593
#endif
1594

    
1595
void op_cp0_enabled(void)
1596
{
1597
    if (!(env->CP0_Status & (1 << CP0St_CU0)) &&
1598
        (env->hflags & MIPS_HFLAG_UM)) {
1599
        CALL_FROM_TB2(do_raise_exception_err, EXCP_CpU, 0);
1600
    }
1601
    RETURN();
1602
}
1603

    
1604
void op_cp1_enabled(void)
1605
{
1606
    if (!(env->CP0_Status & (1 << CP0St_CU1))) {
1607
        CALL_FROM_TB2(do_raise_exception_err, EXCP_CpU, 1);
1608
    }
1609
    RETURN();
1610
}
1611

    
1612
void op_cp1_64bitmode(void)
1613
{
1614
    if (!(env->CP0_Status & (1 << CP0St_FR))) {
1615
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
1616
    }
1617
    RETURN();
1618
}
1619

    
1620
/*
1621
 * Verify if floating point register is valid; an operation is not defined
1622
 * if bit 0 of any register specification is set and the FR bit in the
1623
 * Status register equals zero, since the register numbers specify an
1624
 * even-odd pair of adjacent coprocessor general registers. When the FR bit
1625
 * in the Status register equals one, both even and odd register numbers
1626
 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
1627
 *
1628
 * Multiple 64 bit wide registers can be checked by calling
1629
 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
1630
 */
1631
void op_cp1_registers(void)
1632
{
1633
    if (!(env->CP0_Status & (1 << CP0St_FR)) && (PARAM1 & 1)) {
1634
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
1635
    }
1636
    RETURN();
1637
}
1638

    
1639
void op_cfc1 (void)
1640
{
1641
    switch (T1) {
1642
    case 0:
1643
        T0 = (int32_t)env->fcr0;
1644
        break;
1645
    case 25:
1646
        T0 = ((env->fcr31 >> 24) & 0xfe) | ((env->fcr31 >> 23) & 0x1);
1647
        break;
1648
    case 26:
1649
        T0 = env->fcr31 & 0x0003f07c;
1650
        break;
1651
    case 28:
1652
        T0 = (env->fcr31 & 0x00000f83) | ((env->fcr31 >> 22) & 0x4);
1653
        break;
1654
    default:
1655
        T0 = (int32_t)env->fcr31;
1656
        break;
1657
    }
1658
    DEBUG_FPU_STATE();
1659
    RETURN();
1660
}
1661

    
1662
void op_ctc1 (void)
1663
{
1664
    CALL_FROM_TB0(do_ctc1);
1665
    DEBUG_FPU_STATE();
1666
    RETURN();
1667
}
1668

    
1669
void op_mfc1 (void)
1670
{
1671
    T0 = WT0;
1672
    DEBUG_FPU_STATE();
1673
    RETURN();
1674
}
1675

    
1676
void op_mtc1 (void)
1677
{
1678
    WT0 = T0;
1679
    DEBUG_FPU_STATE();
1680
    RETURN();
1681
}
1682

    
1683
void op_dmfc1 (void)
1684
{
1685
    T0 = DT0;
1686
    DEBUG_FPU_STATE();
1687
    RETURN();
1688
}
1689

    
1690
void op_dmtc1 (void)
1691
{
1692
    DT0 = T0;
1693
    DEBUG_FPU_STATE();
1694
    RETURN();
1695
}
1696

    
1697
void op_mfhc1 (void)
1698
{
1699
    T0 = WTH0;
1700
    DEBUG_FPU_STATE();
1701
    RETURN();
1702
}
1703

    
1704
void op_mthc1 (void)
1705
{
1706
    WTH0 = T0;
1707
    DEBUG_FPU_STATE();
1708
    RETURN();
1709
}
1710

    
1711
/* Float support.
1712
   Single precition routines have a "s" suffix, double precision a
1713
   "d" suffix, 32bit integer "w", 64bit integer "l", paired singe "ps",
1714
   paired single lowwer "pl", paired single upper "pu".  */
1715

    
1716
#define FLOAT_OP(name, p) void OPPROTO op_float_##name##_##p(void)
1717

    
1718
FLOAT_OP(cvtd, s)
1719
{
1720
    CALL_FROM_TB0(do_float_cvtd_s);
1721
    DEBUG_FPU_STATE();
1722
    RETURN();
1723
}
1724
FLOAT_OP(cvtd, w)
1725
{
1726
    CALL_FROM_TB0(do_float_cvtd_w);
1727
    DEBUG_FPU_STATE();
1728
    RETURN();
1729
}
1730
FLOAT_OP(cvtd, l)
1731
{
1732
    CALL_FROM_TB0(do_float_cvtd_l);
1733
    DEBUG_FPU_STATE();
1734
    RETURN();
1735
}
1736
FLOAT_OP(cvtl, d)
1737
{
1738
    CALL_FROM_TB0(do_float_cvtl_d);
1739
    DEBUG_FPU_STATE();
1740
    RETURN();
1741
}
1742
FLOAT_OP(cvtl, s)
1743
{
1744
    CALL_FROM_TB0(do_float_cvtl_s);
1745
    DEBUG_FPU_STATE();
1746
    RETURN();
1747
}
1748
FLOAT_OP(cvtps, s)
1749
{
1750
    WT2 = WT0;
1751
    WTH2 = WT1;
1752
    DEBUG_FPU_STATE();
1753
    RETURN();
1754
}
1755
FLOAT_OP(cvtps, pw)
1756
{
1757
    CALL_FROM_TB0(do_float_cvtps_pw);
1758
    DEBUG_FPU_STATE();
1759
    RETURN();
1760
}
1761
FLOAT_OP(cvtpw, ps)
1762
{
1763
    CALL_FROM_TB0(do_float_cvtpw_ps);
1764
    DEBUG_FPU_STATE();
1765
    RETURN();
1766
}
1767
FLOAT_OP(cvts, d)
1768
{
1769
    CALL_FROM_TB0(do_float_cvts_d);
1770
    DEBUG_FPU_STATE();
1771
    RETURN();
1772
}
1773
FLOAT_OP(cvts, w)
1774
{
1775
    CALL_FROM_TB0(do_float_cvts_w);
1776
    DEBUG_FPU_STATE();
1777
    RETURN();
1778
}
1779
FLOAT_OP(cvts, l)
1780
{
1781
    CALL_FROM_TB0(do_float_cvts_l);
1782
    DEBUG_FPU_STATE();
1783
    RETURN();
1784
}
1785
FLOAT_OP(cvts, pl)
1786
{
1787
    CALL_FROM_TB0(do_float_cvts_pl);
1788
    DEBUG_FPU_STATE();
1789
    RETURN();
1790
}
1791
FLOAT_OP(cvts, pu)
1792
{
1793
    CALL_FROM_TB0(do_float_cvts_pu);
1794
    DEBUG_FPU_STATE();
1795
    RETURN();
1796
}
1797
FLOAT_OP(cvtw, s)
1798
{
1799
    CALL_FROM_TB0(do_float_cvtw_s);
1800
    DEBUG_FPU_STATE();
1801
    RETURN();
1802
}
1803
FLOAT_OP(cvtw, d)
1804
{
1805
    CALL_FROM_TB0(do_float_cvtw_d);
1806
    DEBUG_FPU_STATE();
1807
    RETURN();
1808
}
1809

    
1810
FLOAT_OP(pll, ps)
1811
{
1812
    DT2 = ((uint64_t)WT0 << 32) | WT1;
1813
    DEBUG_FPU_STATE();
1814
    RETURN();
1815
}
1816
FLOAT_OP(plu, ps)
1817
{
1818
    DT2 = ((uint64_t)WT0 << 32) | WTH1;
1819
    DEBUG_FPU_STATE();
1820
    RETURN();
1821
}
1822
FLOAT_OP(pul, ps)
1823
{
1824
    DT2 = ((uint64_t)WTH0 << 32) | WT1;
1825
    DEBUG_FPU_STATE();
1826
    RETURN();
1827
}
1828
FLOAT_OP(puu, ps)
1829
{
1830
    DT2 = ((uint64_t)WTH0 << 32) | WTH1;
1831
    DEBUG_FPU_STATE();
1832
    RETURN();
1833
}
1834

    
1835
#define FLOAT_ROUNDOP(op, ttype, stype)                    \
1836
FLOAT_OP(op ## ttype, stype)                               \
1837
{                                                          \
1838
    CALL_FROM_TB0(do_float_ ## op ## ttype ## _ ## stype); \
1839
    DEBUG_FPU_STATE();                                     \
1840
    RETURN();                                              \
1841
}
1842

    
1843
FLOAT_ROUNDOP(round, l, d)
1844
FLOAT_ROUNDOP(round, l, s)
1845
FLOAT_ROUNDOP(round, w, d)
1846
FLOAT_ROUNDOP(round, w, s)
1847

    
1848
FLOAT_ROUNDOP(trunc, l, d)
1849
FLOAT_ROUNDOP(trunc, l, s)
1850
FLOAT_ROUNDOP(trunc, w, d)
1851
FLOAT_ROUNDOP(trunc, w, s)
1852

    
1853
FLOAT_ROUNDOP(ceil, l, d)
1854
FLOAT_ROUNDOP(ceil, l, s)
1855
FLOAT_ROUNDOP(ceil, w, d)
1856
FLOAT_ROUNDOP(ceil, w, s)
1857

    
1858
FLOAT_ROUNDOP(floor, l, d)
1859
FLOAT_ROUNDOP(floor, l, s)
1860
FLOAT_ROUNDOP(floor, w, d)
1861
FLOAT_ROUNDOP(floor, w, s)
1862
#undef FLOAR_ROUNDOP
1863

    
1864
FLOAT_OP(movf, d)
1865
{
1866
    if (!(env->fcr31 & PARAM1))
1867
        DT2 = DT0;
1868
    DEBUG_FPU_STATE();
1869
    RETURN();
1870
}
1871
FLOAT_OP(movf, s)
1872
{
1873
    if (!(env->fcr31 & PARAM1))
1874
        WT2 = WT0;
1875
    DEBUG_FPU_STATE();
1876
    RETURN();
1877
}
1878
FLOAT_OP(movf, ps)
1879
{
1880
    if (!(env->fcr31 & PARAM1)) {
1881
        WT2 = WT0;
1882
        WTH2 = WTH0;
1883
    }
1884
    DEBUG_FPU_STATE();
1885
    RETURN();
1886
}
1887
FLOAT_OP(movt, d)
1888
{
1889
    if (env->fcr31 & PARAM1)
1890
        DT2 = DT0;
1891
    DEBUG_FPU_STATE();
1892
    RETURN();
1893
}
1894
FLOAT_OP(movt, s)
1895
{
1896
    if (env->fcr31 & PARAM1)
1897
        WT2 = WT0;
1898
    DEBUG_FPU_STATE();
1899
    RETURN();
1900
}
1901
FLOAT_OP(movt, ps)
1902
{
1903
    if (env->fcr31 & PARAM1) {
1904
        WT2 = WT0;
1905
        WTH2 = WTH0;
1906
    }
1907
    DEBUG_FPU_STATE();
1908
    RETURN();
1909
}
1910
FLOAT_OP(movz, d)
1911
{
1912
    if (!T0)
1913
        DT2 = DT0;
1914
    DEBUG_FPU_STATE();
1915
    RETURN();
1916
}
1917
FLOAT_OP(movz, s)
1918
{
1919
    if (!T0)
1920
        WT2 = WT0;
1921
    DEBUG_FPU_STATE();
1922
    RETURN();
1923
}
1924
FLOAT_OP(movz, ps)
1925
{
1926
    if (!T0) {
1927
        WT2 = WT0;
1928
        WTH2 = WTH0;
1929
    }
1930
    DEBUG_FPU_STATE();
1931
    RETURN();
1932
}
1933
FLOAT_OP(movn, d)
1934
{
1935
    if (T0)
1936
        DT2 = DT0;
1937
    DEBUG_FPU_STATE();
1938
    RETURN();
1939
}
1940
FLOAT_OP(movn, s)
1941
{
1942
    if (T0)
1943
        WT2 = WT0;
1944
    DEBUG_FPU_STATE();
1945
    RETURN();
1946
}
1947
FLOAT_OP(movn, ps)
1948
{
1949
    if (T0) {
1950
        WT2 = WT0;
1951
        WTH2 = WTH0;
1952
    }
1953
    DEBUG_FPU_STATE();
1954
    RETURN();
1955
}
1956

    
1957
/* operations calling helpers, for s, d and ps */
1958
#define FLOAT_HOP(name) \
1959
FLOAT_OP(name, d)         \
1960
{                         \
1961
    CALL_FROM_TB0(do_float_ ## name ## _d);  \
1962
    DEBUG_FPU_STATE();    \
1963
    RETURN();             \
1964
}                         \
1965
FLOAT_OP(name, s)         \
1966
{                         \
1967
    CALL_FROM_TB0(do_float_ ## name ## _s);  \
1968
    DEBUG_FPU_STATE();    \
1969
    RETURN();             \
1970
}                         \
1971
FLOAT_OP(name, ps)        \
1972
{                         \
1973
    CALL_FROM_TB0(do_float_ ## name ## _ps); \
1974
    DEBUG_FPU_STATE();    \
1975
    RETURN();             \
1976
}
1977
FLOAT_HOP(add)
1978
FLOAT_HOP(sub)
1979
FLOAT_HOP(mul)
1980
FLOAT_HOP(div)
1981
FLOAT_HOP(recip2)
1982
FLOAT_HOP(rsqrt2)
1983
FLOAT_HOP(rsqrt1)
1984
FLOAT_HOP(recip1)
1985
#undef FLOAT_HOP
1986

    
1987
/* operations calling helpers, for s and d */
1988
#define FLOAT_HOP(name)   \
1989
FLOAT_OP(name, d)         \
1990
{                         \
1991
    CALL_FROM_TB0(do_float_ ## name ## _d);  \
1992
    DEBUG_FPU_STATE();    \
1993
    RETURN();             \
1994
}                         \
1995
FLOAT_OP(name, s)         \
1996
{                         \
1997
    CALL_FROM_TB0(do_float_ ## name ## _s);  \
1998
    DEBUG_FPU_STATE();    \
1999
    RETURN();             \
2000
}
2001
FLOAT_HOP(rsqrt)
2002
FLOAT_HOP(recip)
2003
#undef FLOAT_HOP
2004

    
2005
/* operations calling helpers, for ps */
2006
#define FLOAT_HOP(name)   \
2007
FLOAT_OP(name, ps)        \
2008
{                         \
2009
    CALL_FROM_TB0(do_float_ ## name ## _ps); \
2010
    DEBUG_FPU_STATE();    \
2011
    RETURN();             \
2012
}
2013
FLOAT_HOP(addr)
2014
FLOAT_HOP(mulr)
2015
#undef FLOAT_HOP
2016

    
2017
/* ternary operations */
2018
#define FLOAT_TERNOP(name1, name2) \
2019
FLOAT_OP(name1 ## name2, d)        \
2020
{                                  \
2021
    FDT0 = float64_ ## name1 (FDT0, FDT1, &env->fp_status);    \
2022
    FDT2 = float64_ ## name2 (FDT0, FDT2, &env->fp_status);    \
2023
    DEBUG_FPU_STATE();             \
2024
    RETURN();                      \
2025
}                                  \
2026
FLOAT_OP(name1 ## name2, s)        \
2027
{                                  \
2028
    FST0 = float32_ ## name1 (FST0, FST1, &env->fp_status);    \
2029
    FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status);    \
2030
    DEBUG_FPU_STATE();             \
2031
    RETURN();                      \
2032
}                                  \
2033
FLOAT_OP(name1 ## name2, ps)       \
2034
{                                  \
2035
    FST0 = float32_ ## name1 (FST0, FST1, &env->fp_status);    \
2036
    FSTH0 = float32_ ## name1 (FSTH0, FSTH1, &env->fp_status); \
2037
    FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status);    \
2038
    FSTH2 = float32_ ## name2 (FSTH0, FSTH2, &env->fp_status); \
2039
    DEBUG_FPU_STATE();             \
2040
    RETURN();                      \
2041
}
2042
FLOAT_TERNOP(mul, add)
2043
FLOAT_TERNOP(mul, sub)
2044
#undef FLOAT_TERNOP
2045

    
2046
/* negated ternary operations */
2047
#define FLOAT_NTERNOP(name1, name2) \
2048
FLOAT_OP(n ## name1 ## name2, d)    \
2049
{                                   \
2050
    FDT0 = float64_ ## name1 (FDT0, FDT1, &env->fp_status);    \
2051
    FDT2 = float64_ ## name2 (FDT0, FDT2, &env->fp_status);    \
2052
    FDT2 ^= 1ULL << 63;             \
2053
    DEBUG_FPU_STATE();              \
2054
    RETURN();                       \
2055
}                                   \
2056
FLOAT_OP(n ## name1 ## name2, s)    \
2057
{                                   \
2058
    FST0 = float32_ ## name1 (FST0, FST1, &env->fp_status);    \
2059
    FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status);    \
2060
    FST2 ^= 1 << 31;                \
2061
    DEBUG_FPU_STATE();              \
2062
    RETURN();                       \
2063
}                                   \
2064
FLOAT_OP(n ## name1 ## name2, ps)   \
2065
{                                   \
2066
    FST0 = float32_ ## name1 (FST0, FST1, &env->fp_status);    \
2067
    FSTH0 = float32_ ## name1 (FSTH0, FSTH1, &env->fp_status); \
2068
    FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status);    \
2069
    FSTH2 = float32_ ## name2 (FSTH0, FSTH2, &env->fp_status); \
2070
    FST2 ^= 1 << 31;                \
2071
    FSTH2 ^= 1 << 31;               \
2072
    DEBUG_FPU_STATE();              \
2073
    RETURN();                       \
2074
}
2075
FLOAT_NTERNOP(mul, add)
2076
FLOAT_NTERNOP(mul, sub)
2077
#undef FLOAT_NTERNOP
2078

    
2079
/* unary operations, modifying fp status  */
2080
#define FLOAT_UNOP(name)  \
2081
FLOAT_OP(name, d)         \
2082
{                         \
2083
    FDT2 = float64_ ## name(FDT0, &env->fp_status);   \
2084
    DEBUG_FPU_STATE();    \
2085
    RETURN();                      \
2086
}                         \
2087
FLOAT_OP(name, s)         \
2088
{                         \
2089
    FST2 = float32_ ## name(FST0, &env->fp_status);   \
2090
    DEBUG_FPU_STATE();    \
2091
    RETURN();             \
2092
}
2093
FLOAT_UNOP(sqrt)
2094
#undef FLOAT_UNOP
2095

    
2096
/* unary operations, not modifying fp status  */
2097
#define FLOAT_UNOP(name)  \
2098
FLOAT_OP(name, d)         \
2099
{                         \
2100
    FDT2 = float64_ ## name(FDT0);   \
2101
    DEBUG_FPU_STATE();    \
2102
    RETURN();             \
2103
}                         \
2104
FLOAT_OP(name, s)         \
2105
{                         \
2106
    FST2 = float32_ ## name(FST0);   \
2107
    DEBUG_FPU_STATE();    \
2108
    RETURN();             \
2109
}                         \
2110
FLOAT_OP(name, ps)        \
2111
{                         \
2112
    FST2 = float32_ ## name(FST0);   \
2113
    FSTH2 = float32_ ## name(FSTH0); \
2114
    DEBUG_FPU_STATE();    \
2115
    RETURN();             \
2116
}
2117
FLOAT_UNOP(abs)
2118
FLOAT_UNOP(chs)
2119
#undef FLOAT_UNOP
2120

    
2121
FLOAT_OP(mov, d)
2122
{
2123
    FDT2 = FDT0;
2124
    DEBUG_FPU_STATE();
2125
    RETURN();
2126
}
2127
FLOAT_OP(mov, s)
2128
{
2129
    FST2 = FST0;
2130
    DEBUG_FPU_STATE();
2131
    RETURN();
2132
}
2133
FLOAT_OP(mov, ps)
2134
{
2135
    FST2 = FST0;
2136
    FSTH2 = FSTH0;
2137
    DEBUG_FPU_STATE();
2138
    RETURN();
2139
}
2140
FLOAT_OP(alnv, ps)
2141
{
2142
    switch (T0 & 0x7) {
2143
    case 0:
2144
        FST2 = FST0;
2145
        FSTH2 = FSTH0;
2146
        break;
2147
    case 4:
2148
#ifdef TARGET_WORDS_BIGENDIAN
2149
        FSTH2 = FST0;
2150
        FST2 = FSTH1;
2151
#else
2152
        FSTH2 = FST1;
2153
        FST2 = FSTH0;
2154
#endif
2155
        break;
2156
    default: /* unpredictable */
2157
        break;
2158
    }
2159
    DEBUG_FPU_STATE();
2160
    RETURN();
2161
}
2162

    
2163
#ifdef CONFIG_SOFTFLOAT
2164
#define clear_invalid() do {                                \
2165
    int flags = get_float_exception_flags(&env->fp_status); \
2166
    flags &= ~float_flag_invalid;                           \
2167
    set_float_exception_flags(flags, &env->fp_status);      \
2168
} while(0)
2169
#else
2170
#define clear_invalid() do { } while(0)
2171
#endif
2172

    
2173
extern void dump_fpu_s(CPUState *env);
2174

    
2175
#define CMP_OP(fmt, op)                                \
2176
void OPPROTO op_cmp ## _ ## fmt ## _ ## op(void)       \
2177
{                                                      \
2178
    CALL_FROM_TB1(do_cmp ## _ ## fmt ## _ ## op, PARAM1); \
2179
    DEBUG_FPU_STATE();                                 \
2180
    RETURN();                                          \
2181
}                                                      \
2182
void OPPROTO op_cmpabs ## _ ## fmt ## _ ## op(void)    \
2183
{                                                      \
2184
    CALL_FROM_TB1(do_cmpabs ## _ ## fmt ## _ ## op, PARAM1); \
2185
    DEBUG_FPU_STATE();                                 \
2186
    RETURN();                                          \
2187
}
2188
#define CMP_OPS(op)   \
2189
CMP_OP(d, op)         \
2190
CMP_OP(s, op)         \
2191
CMP_OP(ps, op)
2192

    
2193
CMP_OPS(f)
2194
CMP_OPS(un)
2195
CMP_OPS(eq)
2196
CMP_OPS(ueq)
2197
CMP_OPS(olt)
2198
CMP_OPS(ult)
2199
CMP_OPS(ole)
2200
CMP_OPS(ule)
2201
CMP_OPS(sf)
2202
CMP_OPS(ngle)
2203
CMP_OPS(seq)
2204
CMP_OPS(ngl)
2205
CMP_OPS(lt)
2206
CMP_OPS(nge)
2207
CMP_OPS(le)
2208
CMP_OPS(ngt)
2209
#undef CMP_OPS
2210
#undef CMP_OP
2211

    
2212
void op_bc1f (void)
2213
{
2214
    T0 = !!(~GET_FP_COND(env) & (0x1 << PARAM1));
2215
    DEBUG_FPU_STATE();
2216
    RETURN();
2217
}
2218
void op_bc1any2f (void)
2219
{
2220
    T0 = !!(~GET_FP_COND(env) & (0x3 << PARAM1));
2221
    DEBUG_FPU_STATE();
2222
    RETURN();
2223
}
2224
void op_bc1any4f (void)
2225
{
2226
    T0 = !!(~GET_FP_COND(env) & (0xf << PARAM1));
2227
    DEBUG_FPU_STATE();
2228
    RETURN();
2229
}
2230

    
2231
void op_bc1t (void)
2232
{
2233
    T0 = !!(GET_FP_COND(env) & (0x1 << PARAM1));
2234
    DEBUG_FPU_STATE();
2235
    RETURN();
2236
}
2237
void op_bc1any2t (void)
2238
{
2239
    T0 = !!(GET_FP_COND(env) & (0x3 << PARAM1));
2240
    DEBUG_FPU_STATE();
2241
    RETURN();
2242
}
2243
void op_bc1any4t (void)
2244
{
2245
    T0 = !!(GET_FP_COND(env) & (0xf << PARAM1));
2246
    DEBUG_FPU_STATE();
2247
    RETURN();
2248
}
2249

    
2250
void op_tlbwi (void)
2251
{
2252
    CALL_FROM_TB0(env->do_tlbwi);
2253
    RETURN();
2254
}
2255

    
2256
void op_tlbwr (void)
2257
{
2258
    CALL_FROM_TB0(env->do_tlbwr);
2259
    RETURN();
2260
}
2261

    
2262
void op_tlbp (void)
2263
{
2264
    CALL_FROM_TB0(env->do_tlbp);
2265
    RETURN();
2266
}
2267

    
2268
void op_tlbr (void)
2269
{
2270
    CALL_FROM_TB0(env->do_tlbr);
2271
    RETURN();
2272
}
2273

    
2274
/* Specials */
2275
#if defined (CONFIG_USER_ONLY)
2276
void op_tls_value (void)
2277
{
2278
    T0 = env->tls_value;
2279
}
2280
#endif
2281

    
2282
void op_pmon (void)
2283
{
2284
    CALL_FROM_TB1(do_pmon, PARAM1);
2285
    RETURN();
2286
}
2287

    
2288
void op_di (void)
2289
{
2290
    T0 = env->CP0_Status;
2291
    env->CP0_Status = T0 & ~(1 << CP0St_IE);
2292
    CALL_FROM_TB1(cpu_mips_update_irq, env);
2293
    RETURN();
2294
}
2295

    
2296
void op_ei (void)
2297
{
2298
    T0 = env->CP0_Status;
2299
    env->CP0_Status = T0 | (1 << CP0St_IE);
2300
    CALL_FROM_TB1(cpu_mips_update_irq, env);
2301
    RETURN();
2302
}
2303

    
2304
void op_trap (void)
2305
{
2306
    if (T0) {
2307
        CALL_FROM_TB1(do_raise_exception, EXCP_TRAP);
2308
    }
2309
    RETURN();
2310
}
2311

    
2312
void op_debug (void)
2313
{
2314
    CALL_FROM_TB1(do_raise_exception, EXCP_DEBUG);
2315
    RETURN();
2316
}
2317

    
2318
void op_set_lladdr (void)
2319
{
2320
    env->CP0_LLAddr = T2;
2321
    RETURN();
2322
}
2323

    
2324
void debug_pre_eret (void);
2325
void debug_post_eret (void);
2326
void op_eret (void)
2327
{
2328
    if (loglevel & CPU_LOG_EXEC)
2329
        CALL_FROM_TB0(debug_pre_eret);
2330
    if (env->CP0_Status & (1 << CP0St_ERL)) {
2331
        env->PC = env->CP0_ErrorEPC;
2332
        env->CP0_Status &= ~(1 << CP0St_ERL);
2333
    } else {
2334
        env->PC = env->CP0_EPC;
2335
        env->CP0_Status &= ~(1 << CP0St_EXL);
2336
    }
2337
    if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
2338
        !(env->CP0_Status & (1 << CP0St_ERL)) &&
2339
        !(env->hflags & MIPS_HFLAG_DM) &&
2340
        (env->CP0_Status & (1 << CP0St_UM)))
2341
        env->hflags |= MIPS_HFLAG_UM;
2342
    if (loglevel & CPU_LOG_EXEC)
2343
        CALL_FROM_TB0(debug_post_eret);
2344
    env->CP0_LLAddr = 1;
2345
    RETURN();
2346
}
2347

    
2348
void op_deret (void)
2349
{
2350
    if (loglevel & CPU_LOG_EXEC)
2351
        CALL_FROM_TB0(debug_pre_eret);
2352
    env->PC = env->CP0_DEPC;
2353
    env->hflags |= MIPS_HFLAG_DM;
2354
    if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
2355
        !(env->CP0_Status & (1 << CP0St_ERL)) &&
2356
        !(env->hflags & MIPS_HFLAG_DM) &&
2357
        (env->CP0_Status & (1 << CP0St_UM)))
2358
        env->hflags |= MIPS_HFLAG_UM;
2359
    if (loglevel & CPU_LOG_EXEC)
2360
        CALL_FROM_TB0(debug_post_eret);
2361
    env->CP0_LLAddr = 1;
2362
    RETURN();
2363
}
2364

    
2365
void op_rdhwr_cpunum(void)
2366
{
2367
    if (!(env->hflags & MIPS_HFLAG_UM) ||
2368
        (env->CP0_HWREna & (1 << 0)) ||
2369
        (env->CP0_Status & (1 << CP0St_CU0)))
2370
        T0 = env->CP0_EBase & 0x3ff;
2371
    else
2372
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
2373
    RETURN();
2374
}
2375

    
2376
void op_rdhwr_synci_step(void)
2377
{
2378
    if (!(env->hflags & MIPS_HFLAG_UM) ||
2379
        (env->CP0_HWREna & (1 << 1)) ||
2380
        (env->CP0_Status & (1 << CP0St_CU0)))
2381
        T0 = env->SYNCI_Step;
2382
    else
2383
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
2384
    RETURN();
2385
}
2386

    
2387
void op_rdhwr_cc(void)
2388
{
2389
    if (!(env->hflags & MIPS_HFLAG_UM) ||
2390
        (env->CP0_HWREna & (1 << 2)) ||
2391
        (env->CP0_Status & (1 << CP0St_CU0)))
2392
        T0 = env->CP0_Count;
2393
    else
2394
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
2395
    RETURN();
2396
}
2397

    
2398
void op_rdhwr_ccres(void)
2399
{
2400
    if (!(env->hflags & MIPS_HFLAG_UM) ||
2401
        (env->CP0_HWREna & (1 << 3)) ||
2402
        (env->CP0_Status & (1 << CP0St_CU0)))
2403
        T0 = env->CCRes;
2404
    else
2405
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
2406
    RETURN();
2407
}
2408

    
2409
void op_save_state (void)
2410
{
2411
    env->hflags = PARAM1;
2412
    RETURN();
2413
}
2414

    
2415
void op_save_pc (void)
2416
{
2417
    env->PC = PARAM1;
2418
    RETURN();
2419
}
2420

    
2421
void op_interrupt_restart (void)
2422
{
2423
    if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
2424
        !(env->CP0_Status & (1 << CP0St_ERL)) &&
2425
        !(env->hflags & MIPS_HFLAG_DM) &&
2426
        (env->CP0_Status & (1 << CP0St_IE)) &&
2427
        (env->CP0_Status & env->CP0_Cause & CP0Ca_IP_mask)) {
2428
        env->CP0_Cause &= ~(0x1f << CP0Ca_EC);
2429
        CALL_FROM_TB1(do_raise_exception, EXCP_EXT_INTERRUPT);
2430
    }
2431
    RETURN();
2432
}
2433

    
2434
void op_raise_exception (void)
2435
{
2436
    CALL_FROM_TB1(do_raise_exception, PARAM1);
2437
    RETURN();
2438
}
2439

    
2440
void op_raise_exception_err (void)
2441
{
2442
    CALL_FROM_TB2(do_raise_exception_err, PARAM1, PARAM2);
2443
    RETURN();
2444
}
2445

    
2446
void op_exit_tb (void)
2447
{
2448
    EXIT_TB();
2449
    RETURN();
2450
}
2451

    
2452
void op_wait (void)
2453
{
2454
    env->halted = 1;
2455
    CALL_FROM_TB1(do_raise_exception, EXCP_HLT);
2456
    RETURN();
2457
}
2458

    
2459
/* Bitfield operations. */
2460
void op_ext(void)
2461
{
2462
    unsigned int pos = PARAM1;
2463
    unsigned int size = PARAM2;
2464

    
2465
    T0 = ((uint32_t)T1 >> pos) & ((size < 32) ? ((1 << size) - 1) : ~0);
2466
    RETURN();
2467
}
2468

    
2469
void op_ins(void)
2470
{
2471
    unsigned int pos = PARAM1;
2472
    unsigned int size = PARAM2;
2473
    target_ulong mask = ((size < 32) ? ((1 << size) - 1) : ~0) << pos;
2474

    
2475
    T0 = (T0 & ~mask) | (((uint32_t)T1 << pos) & mask);
2476
    RETURN();
2477
}
2478

    
2479
void op_wsbh(void)
2480
{
2481
    T0 = ((T1 << 8) & ~0x00FF00FF) | ((T1 >> 8) & 0x00FF00FF);
2482
    RETURN();
2483
}
2484

    
2485
#ifdef TARGET_MIPS64
2486
void op_dext(void)
2487
{
2488
    unsigned int pos = PARAM1;
2489
    unsigned int size = PARAM2;
2490

    
2491
    T0 = (T1 >> pos) & ((size < 32) ? ((1 << size) - 1) : ~0);
2492
    RETURN();
2493
}
2494

    
2495
void op_dins(void)
2496
{
2497
    unsigned int pos = PARAM1;
2498
    unsigned int size = PARAM2;
2499
    target_ulong mask = ((size < 32) ? ((1 << size) - 1) : ~0) << pos;
2500

    
2501
    T0 = (T0 & ~mask) | ((T1 << pos) & mask);
2502
    RETURN();
2503
}
2504

    
2505
void op_dsbh(void)
2506
{
2507
    T0 = ((T1 << 8) & ~0x00FF00FF00FF00FFULL) | ((T1 >> 8) & 0x00FF00FF00FF00FFULL);
2508
    RETURN();
2509
}
2510

    
2511
void op_dshd(void)
2512
{
2513
    T0 = ((T1 << 16) & ~0x0000FFFF0000FFFFULL) | ((T1 >> 16) & 0x0000FFFF0000FFFFULL);
2514
    RETURN();
2515
}
2516
#endif
2517

    
2518
void op_seb(void)
2519
{
2520
    T0 = ((T1 & 0xFF) ^ 0x80) - 0x80;
2521
    RETURN();
2522
}
2523

    
2524
void op_seh(void)
2525
{
2526
    T0 = ((T1 & 0xFFFF) ^ 0x8000) - 0x8000;
2527
    RETURN();
2528
}