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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
 *  Copyright (c) 2007 Thiemo Seufer (64-bit FPU support)
7
 *
8
 * This library is free software; you can redistribute it and/or
9
 * modify it under the terms of the GNU Lesser General Public
10
 * License as published by the Free Software Foundation; either
11
 * version 2 of the License, or (at your option) any later version.
12
 *
13
 * This library is distributed in the hope that it will be useful,
14
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16
 * Lesser General Public License for more details.
17
 *
18
 * You should have received a copy of the GNU Lesser General Public
19
 * License along with this library; if not, write to the Free Software
20
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21
 */
22

    
23
#include "config.h"
24
#include "exec.h"
25

    
26
#ifndef CALL_FROM_TB0
27
#define CALL_FROM_TB0(func) func()
28
#endif
29
#ifndef CALL_FROM_TB1
30
#define CALL_FROM_TB1(func, arg0) func(arg0)
31
#endif
32
#ifndef CALL_FROM_TB1_CONST16
33
#define CALL_FROM_TB1_CONST16(func, arg0) CALL_FROM_TB1(func, arg0)
34
#endif
35
#ifndef CALL_FROM_TB2
36
#define CALL_FROM_TB2(func, arg0, arg1) func(arg0, arg1)
37
#endif
38
#ifndef CALL_FROM_TB2_CONST16
39
#define CALL_FROM_TB2_CONST16(func, arg0, arg1)     \
40
        CALL_FROM_TB2(func, arg0, arg1)
41
#endif
42
#ifndef CALL_FROM_TB3
43
#define CALL_FROM_TB3(func, arg0, arg1, arg2) func(arg0, arg1, arg2)
44
#endif
45
#ifndef CALL_FROM_TB4
46
#define CALL_FROM_TB4(func, arg0, arg1, arg2, arg3) \
47
        func(arg0, arg1, arg2, arg3)
48
#endif
49

    
50
#define REG 1
51
#include "op_template.c"
52
#undef REG
53
#define REG 2
54
#include "op_template.c"
55
#undef REG
56
#define REG 3
57
#include "op_template.c"
58
#undef REG
59
#define REG 4
60
#include "op_template.c"
61
#undef REG
62
#define REG 5
63
#include "op_template.c"
64
#undef REG
65
#define REG 6
66
#include "op_template.c"
67
#undef REG
68
#define REG 7
69
#include "op_template.c"
70
#undef REG
71
#define REG 8
72
#include "op_template.c"
73
#undef REG
74
#define REG 9
75
#include "op_template.c"
76
#undef REG
77
#define REG 10
78
#include "op_template.c"
79
#undef REG
80
#define REG 11
81
#include "op_template.c"
82
#undef REG
83
#define REG 12
84
#include "op_template.c"
85
#undef REG
86
#define REG 13
87
#include "op_template.c"
88
#undef REG
89
#define REG 14
90
#include "op_template.c"
91
#undef REG
92
#define REG 15
93
#include "op_template.c"
94
#undef REG
95
#define REG 16
96
#include "op_template.c"
97
#undef REG
98
#define REG 17
99
#include "op_template.c"
100
#undef REG
101
#define REG 18
102
#include "op_template.c"
103
#undef REG
104
#define REG 19
105
#include "op_template.c"
106
#undef REG
107
#define REG 20
108
#include "op_template.c"
109
#undef REG
110
#define REG 21
111
#include "op_template.c"
112
#undef REG
113
#define REG 22
114
#include "op_template.c"
115
#undef REG
116
#define REG 23
117
#include "op_template.c"
118
#undef REG
119
#define REG 24
120
#include "op_template.c"
121
#undef REG
122
#define REG 25
123
#include "op_template.c"
124
#undef REG
125
#define REG 26
126
#include "op_template.c"
127
#undef REG
128
#define REG 27
129
#include "op_template.c"
130
#undef REG
131
#define REG 28
132
#include "op_template.c"
133
#undef REG
134
#define REG 29
135
#include "op_template.c"
136
#undef REG
137
#define REG 30
138
#include "op_template.c"
139
#undef REG
140
#define REG 31
141
#include "op_template.c"
142
#undef REG
143

    
144
#define TN
145
#include "op_template.c"
146
#undef TN
147

    
148
#define FREG 0
149
#include "fop_template.c"
150
#undef FREG
151
#define FREG 1
152
#include "fop_template.c"
153
#undef FREG
154
#define FREG 2
155
#include "fop_template.c"
156
#undef FREG
157
#define FREG 3
158
#include "fop_template.c"
159
#undef FREG
160
#define FREG 4
161
#include "fop_template.c"
162
#undef FREG
163
#define FREG 5
164
#include "fop_template.c"
165
#undef FREG
166
#define FREG 6
167
#include "fop_template.c"
168
#undef FREG
169
#define FREG 7
170
#include "fop_template.c"
171
#undef FREG
172
#define FREG 8
173
#include "fop_template.c"
174
#undef FREG
175
#define FREG 9
176
#include "fop_template.c"
177
#undef FREG
178
#define FREG 10
179
#include "fop_template.c"
180
#undef FREG
181
#define FREG 11
182
#include "fop_template.c"
183
#undef FREG
184
#define FREG 12
185
#include "fop_template.c"
186
#undef FREG
187
#define FREG 13
188
#include "fop_template.c"
189
#undef FREG
190
#define FREG 14
191
#include "fop_template.c"
192
#undef FREG
193
#define FREG 15
194
#include "fop_template.c"
195
#undef FREG
196
#define FREG 16
197
#include "fop_template.c"
198
#undef FREG
199
#define FREG 17
200
#include "fop_template.c"
201
#undef FREG
202
#define FREG 18
203
#include "fop_template.c"
204
#undef FREG
205
#define FREG 19
206
#include "fop_template.c"
207
#undef FREG
208
#define FREG 20
209
#include "fop_template.c"
210
#undef FREG
211
#define FREG 21
212
#include "fop_template.c"
213
#undef FREG
214
#define FREG 22
215
#include "fop_template.c"
216
#undef FREG
217
#define FREG 23
218
#include "fop_template.c"
219
#undef FREG
220
#define FREG 24
221
#include "fop_template.c"
222
#undef FREG
223
#define FREG 25
224
#include "fop_template.c"
225
#undef FREG
226
#define FREG 26
227
#include "fop_template.c"
228
#undef FREG
229
#define FREG 27
230
#include "fop_template.c"
231
#undef FREG
232
#define FREG 28
233
#include "fop_template.c"
234
#undef FREG
235
#define FREG 29
236
#include "fop_template.c"
237
#undef FREG
238
#define FREG 30
239
#include "fop_template.c"
240
#undef FREG
241
#define FREG 31
242
#include "fop_template.c"
243
#undef FREG
244

    
245
#define FTN
246
#include "fop_template.c"
247
#undef FTN
248

    
249
void op_dup_T0 (void)
250
{
251
    T2 = T0;
252
    RETURN();
253
}
254

    
255
void op_load_HI (void)
256
{
257
    T0 = env->HI;
258
    RETURN();
259
}
260

    
261
void op_store_HI (void)
262
{
263
    env->HI = T0;
264
    RETURN();
265
}
266

    
267
void op_load_LO (void)
268
{
269
    T0 = env->LO;
270
    RETURN();
271
}
272

    
273
void op_store_LO (void)
274
{
275
    env->LO = T0;
276
    RETURN();
277
}
278

    
279
/* Load and store */
280
#define MEMSUFFIX _raw
281
#include "op_mem.c"
282
#undef MEMSUFFIX
283
#if !defined(CONFIG_USER_ONLY)
284
#define MEMSUFFIX _user
285
#include "op_mem.c"
286
#undef MEMSUFFIX
287

    
288
#define MEMSUFFIX _kernel
289
#include "op_mem.c"
290
#undef MEMSUFFIX
291
#endif
292

    
293
/* Addresses computation */
294
void op_addr_add (void)
295
{
296
/* For compatibility with 32-bit code, data reference in user mode
297
   with Status_UX = 0 should be casted to 32-bit and sign extended.
298
   See the MIPS64 PRA manual, section 4.10. */
299
#ifdef TARGET_MIPS64
300
    if ((env->CP0_Status & (1 << CP0St_UM)) &&
301
        !(env->CP0_Status & (1 << CP0St_UX)))
302
        T0 = (int64_t)(int32_t)(T0 + T1);
303
    else
304
#endif
305
        T0 += T1;
306
    RETURN();
307
}
308

    
309
/* Arithmetic */
310
void op_add (void)
311
{
312
    T0 = (int32_t)((int32_t)T0 + (int32_t)T1);
313
    RETURN();
314
}
315

    
316
void op_addo (void)
317
{
318
    target_ulong tmp;
319

    
320
    tmp = (int32_t)T0;
321
    T0 = (int32_t)T0 + (int32_t)T1;
322
    if (((tmp ^ T1 ^ (-1)) & (T0 ^ T1)) >> 31) {
323
        /* operands of same sign, result different sign */
324
        CALL_FROM_TB1(do_raise_exception, EXCP_OVERFLOW);
325
    }
326
    T0 = (int32_t)T0;
327
    RETURN();
328
}
329

    
330
void op_sub (void)
331
{
332
    T0 = (int32_t)((int32_t)T0 - (int32_t)T1);
333
    RETURN();
334
}
335

    
336
void op_subo (void)
337
{
338
    target_ulong tmp;
339

    
340
    tmp = (int32_t)T0;
341
    T0 = (int32_t)T0 - (int32_t)T1;
342
    if (((tmp ^ T1) & (tmp ^ T0)) >> 31) {
343
        /* operands of different sign, first operand and result different sign */
344
        CALL_FROM_TB1(do_raise_exception, EXCP_OVERFLOW);
345
    }
346
    T0 = (int32_t)T0;
347
    RETURN();
348
}
349

    
350
void op_mul (void)
351
{
352
    T0 = (int32_t)((int32_t)T0 * (int32_t)T1);
353
    RETURN();
354
}
355

    
356
#if HOST_LONG_BITS < 64
357
void op_div (void)
358
{
359
    CALL_FROM_TB0(do_div);
360
    RETURN();
361
}
362
#else
363
void op_div (void)
364
{
365
    if (T1 != 0) {
366
        env->LO = (int32_t)((int64_t)(int32_t)T0 / (int32_t)T1);
367
        env->HI = (int32_t)((int64_t)(int32_t)T0 % (int32_t)T1);
368
    }
369
    RETURN();
370
}
371
#endif
372

    
373
void op_divu (void)
374
{
375
    if (T1 != 0) {
376
        env->LO = (int32_t)((uint32_t)T0 / (uint32_t)T1);
377
        env->HI = (int32_t)((uint32_t)T0 % (uint32_t)T1);
378
    }
379
    RETURN();
380
}
381

    
382
#ifdef TARGET_MIPS64
383
/* Arithmetic */
384
void op_dadd (void)
385
{
386
    T0 += T1;
387
    RETURN();
388
}
389

    
390
void op_daddo (void)
391
{
392
    target_long tmp;
393

    
394
    tmp = T0;
395
    T0 += T1;
396
    if (((tmp ^ T1 ^ (-1)) & (T0 ^ T1)) >> 63) {
397
        /* operands of same sign, result different sign */
398
        CALL_FROM_TB1(do_raise_exception, EXCP_OVERFLOW);
399
    }
400
    RETURN();
401
}
402

    
403
void op_dsub (void)
404
{
405
    T0 -= T1;
406
    RETURN();
407
}
408

    
409
void op_dsubo (void)
410
{
411
    target_long tmp;
412

    
413
    tmp = T0;
414
    T0 = (int64_t)T0 - (int64_t)T1;
415
    if (((tmp ^ T1) & (tmp ^ T0)) >> 63) {
416
        /* operands of different sign, first operand and result different sign */
417
        CALL_FROM_TB1(do_raise_exception, EXCP_OVERFLOW);
418
    }
419
    RETURN();
420
}
421

    
422
void op_dmul (void)
423
{
424
    T0 = (int64_t)T0 * (int64_t)T1;
425
    RETURN();
426
}
427

    
428
/* Those might call libgcc functions.  */
429
void op_ddiv (void)
430
{
431
    do_ddiv();
432
    RETURN();
433
}
434

    
435
#if TARGET_LONG_BITS > HOST_LONG_BITS
436
void op_ddivu (void)
437
{
438
    do_ddivu();
439
    RETURN();
440
}
441
#else
442
void op_ddivu (void)
443
{
444
    if (T1 != 0) {
445
        env->LO = T0 / T1;
446
        env->HI = T0 % T1;
447
    }
448
    RETURN();
449
}
450
#endif
451
#endif /* TARGET_MIPS64 */
452

    
453
/* Logical */
454
void op_and (void)
455
{
456
    T0 &= T1;
457
    RETURN();
458
}
459

    
460
void op_nor (void)
461
{
462
    T0 = ~(T0 | T1);
463
    RETURN();
464
}
465

    
466
void op_or (void)
467
{
468
    T0 |= T1;
469
    RETURN();
470
}
471

    
472
void op_xor (void)
473
{
474
    T0 ^= T1;
475
    RETURN();
476
}
477

    
478
void op_sll (void)
479
{
480
    T0 = (int32_t)((uint32_t)T0 << T1);
481
    RETURN();
482
}
483

    
484
void op_sra (void)
485
{
486
    T0 = (int32_t)((int32_t)T0 >> T1);
487
    RETURN();
488
}
489

    
490
void op_srl (void)
491
{
492
    T0 = (int32_t)((uint32_t)T0 >> T1);
493
    RETURN();
494
}
495

    
496
void op_rotr (void)
497
{
498
    target_ulong tmp;
499

    
500
    if (T1) {
501
       tmp = (int32_t)((uint32_t)T0 << (0x20 - T1));
502
       T0 = (int32_t)((uint32_t)T0 >> T1) | tmp;
503
    }
504
    RETURN();
505
}
506

    
507
void op_sllv (void)
508
{
509
    T0 = (int32_t)((uint32_t)T1 << ((uint32_t)T0 & 0x1F));
510
    RETURN();
511
}
512

    
513
void op_srav (void)
514
{
515
    T0 = (int32_t)((int32_t)T1 >> (T0 & 0x1F));
516
    RETURN();
517
}
518

    
519
void op_srlv (void)
520
{
521
    T0 = (int32_t)((uint32_t)T1 >> (T0 & 0x1F));
522
    RETURN();
523
}
524

    
525
void op_rotrv (void)
526
{
527
    target_ulong tmp;
528

    
529
    T0 &= 0x1F;
530
    if (T0) {
531
       tmp = (int32_t)((uint32_t)T1 << (0x20 - T0));
532
       T0 = (int32_t)((uint32_t)T1 >> T0) | tmp;
533
    } else
534
       T0 = T1;
535
    RETURN();
536
}
537

    
538
void op_clo (void)
539
{
540
    int n;
541

    
542
    if (T0 == ~((target_ulong)0)) {
543
        T0 = 32;
544
    } else {
545
        for (n = 0; n < 32; n++) {
546
            if (!(T0 & (1 << 31)))
547
                break;
548
            T0 = T0 << 1;
549
        }
550
        T0 = n;
551
    }
552
    RETURN();
553
}
554

    
555
void op_clz (void)
556
{
557
    int n;
558

    
559
    if (T0 == 0) {
560
        T0 = 32;
561
    } else {
562
        for (n = 0; n < 32; n++) {
563
            if (T0 & (1 << 31))
564
                break;
565
            T0 = T0 << 1;
566
        }
567
        T0 = n;
568
    }
569
    RETURN();
570
}
571

    
572
#ifdef TARGET_MIPS64
573

    
574
#if TARGET_LONG_BITS > HOST_LONG_BITS
575
/* Those might call libgcc functions.  */
576
void op_dsll (void)
577
{
578
    CALL_FROM_TB0(do_dsll);
579
    RETURN();
580
}
581

    
582
void op_dsll32 (void)
583
{
584
    CALL_FROM_TB0(do_dsll32);
585
    RETURN();
586
}
587

    
588
void op_dsra (void)
589
{
590
    CALL_FROM_TB0(do_dsra);
591
    RETURN();
592
}
593

    
594
void op_dsra32 (void)
595
{
596
    CALL_FROM_TB0(do_dsra32);
597
    RETURN();
598
}
599

    
600
void op_dsrl (void)
601
{
602
    CALL_FROM_TB0(do_dsrl);
603
    RETURN();
604
}
605

    
606
void op_dsrl32 (void)
607
{
608
    CALL_FROM_TB0(do_dsrl32);
609
    RETURN();
610
}
611

    
612
void op_drotr (void)
613
{
614
    CALL_FROM_TB0(do_drotr);
615
    RETURN();
616
}
617

    
618
void op_drotr32 (void)
619
{
620
    CALL_FROM_TB0(do_drotr32);
621
    RETURN();
622
}
623

    
624
void op_dsllv (void)
625
{
626
    CALL_FROM_TB0(do_dsllv);
627
    RETURN();
628
}
629

    
630
void op_dsrav (void)
631
{
632
    CALL_FROM_TB0(do_dsrav);
633
    RETURN();
634
}
635

    
636
void op_dsrlv (void)
637
{
638
    CALL_FROM_TB0(do_dsrlv);
639
    RETURN();
640
}
641

    
642
void op_drotrv (void)
643
{
644
    CALL_FROM_TB0(do_drotrv);
645
    RETURN();
646
}
647

    
648
#else /* TARGET_LONG_BITS > HOST_LONG_BITS */
649

    
650
void op_dsll (void)
651
{
652
    T0 = T0 << T1;
653
    RETURN();
654
}
655

    
656
void op_dsll32 (void)
657
{
658
    T0 = T0 << (T1 + 32);
659
    RETURN();
660
}
661

    
662
void op_dsra (void)
663
{
664
    T0 = (int64_t)T0 >> T1;
665
    RETURN();
666
}
667

    
668
void op_dsra32 (void)
669
{
670
    T0 = (int64_t)T0 >> (T1 + 32);
671
    RETURN();
672
}
673

    
674
void op_dsrl (void)
675
{
676
    T0 = T0 >> T1;
677
    RETURN();
678
}
679

    
680
void op_dsrl32 (void)
681
{
682
    T0 = T0 >> (T1 + 32);
683
    RETURN();
684
}
685

    
686
void op_drotr (void)
687
{
688
    target_ulong tmp;
689

    
690
    if (T1) {
691
       tmp = T0 << (0x40 - T1);
692
       T0 = (T0 >> T1) | tmp;
693
    }
694
    RETURN();
695
}
696

    
697
void op_drotr32 (void)
698
{
699
    target_ulong tmp;
700

    
701
    if (T1) {
702
       tmp = T0 << (0x40 - (32 + T1));
703
       T0 = (T0 >> (32 + T1)) | tmp;
704
    }
705
    RETURN();
706
}
707

    
708
void op_dsllv (void)
709
{
710
    T0 = T1 << (T0 & 0x3F);
711
    RETURN();
712
}
713

    
714
void op_dsrav (void)
715
{
716
    T0 = (int64_t)T1 >> (T0 & 0x3F);
717
    RETURN();
718
}
719

    
720
void op_dsrlv (void)
721
{
722
    T0 = T1 >> (T0 & 0x3F);
723
    RETURN();
724
}
725

    
726
void op_drotrv (void)
727
{
728
    target_ulong tmp;
729

    
730
    T0 &= 0x3F;
731
    if (T0) {
732
       tmp = T1 << (0x40 - T0);
733
       T0 = (T1 >> T0) | tmp;
734
    } else
735
       T0 = T1;
736
    RETURN();
737
}
738
#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
739

    
740
void op_dclo (void)
741
{
742
    int n;
743

    
744
    if (T0 == ~((target_ulong)0)) {
745
        T0 = 64;
746
    } else {
747
        for (n = 0; n < 64; n++) {
748
            if (!(T0 & (1ULL << 63)))
749
                break;
750
            T0 = T0 << 1;
751
        }
752
        T0 = n;
753
    }
754
    RETURN();
755
}
756

    
757
void op_dclz (void)
758
{
759
    int n;
760

    
761
    if (T0 == 0) {
762
        T0 = 64;
763
    } else {
764
        for (n = 0; n < 64; n++) {
765
            if (T0 & (1ULL << 63))
766
                break;
767
            T0 = T0 << 1;
768
        }
769
        T0 = n;
770
    }
771
    RETURN();
772
}
773
#endif
774

    
775
/* 64 bits arithmetic */
776
#if TARGET_LONG_BITS > HOST_LONG_BITS
777
void op_mult (void)
778
{
779
    CALL_FROM_TB0(do_mult);
780
    RETURN();
781
}
782

    
783
void op_multu (void)
784
{
785
    CALL_FROM_TB0(do_multu);
786
    RETURN();
787
}
788

    
789
void op_madd (void)
790
{
791
    CALL_FROM_TB0(do_madd);
792
    RETURN();
793
}
794

    
795
void op_maddu (void)
796
{
797
    CALL_FROM_TB0(do_maddu);
798
    RETURN();
799
}
800

    
801
void op_msub (void)
802
{
803
    CALL_FROM_TB0(do_msub);
804
    RETURN();
805
}
806

    
807
void op_msubu (void)
808
{
809
    CALL_FROM_TB0(do_msubu);
810
    RETURN();
811
}
812

    
813
#else /* TARGET_LONG_BITS > HOST_LONG_BITS */
814

    
815
static inline uint64_t get_HILO (void)
816
{
817
    return ((uint64_t)env->HI << 32) | ((uint64_t)(uint32_t)env->LO);
818
}
819

    
820
static inline void set_HILO (uint64_t HILO)
821
{
822
    env->LO = (int32_t)(HILO & 0xFFFFFFFF);
823
    env->HI = (int32_t)(HILO >> 32);
824
}
825

    
826
void op_mult (void)
827
{
828
    set_HILO((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
829
    RETURN();
830
}
831

    
832
void op_multu (void)
833
{
834
    set_HILO((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
835
    RETURN();
836
}
837

    
838
void op_madd (void)
839
{
840
    int64_t tmp;
841

    
842
    tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
843
    set_HILO((int64_t)get_HILO() + tmp);
844
    RETURN();
845
}
846

    
847
void op_maddu (void)
848
{
849
    uint64_t tmp;
850

    
851
    tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
852
    set_HILO(get_HILO() + tmp);
853
    RETURN();
854
}
855

    
856
void op_msub (void)
857
{
858
    int64_t tmp;
859

    
860
    tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
861
    set_HILO((int64_t)get_HILO() - tmp);
862
    RETURN();
863
}
864

    
865
void op_msubu (void)
866
{
867
    uint64_t tmp;
868

    
869
    tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
870
    set_HILO(get_HILO() - tmp);
871
    RETURN();
872
}
873
#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
874

    
875
#ifdef TARGET_MIPS64
876
void op_dmult (void)
877
{
878
    CALL_FROM_TB4(muls64, &(env->HI), &(env->LO), T0, T1);
879
    RETURN();
880
}
881

    
882
void op_dmultu (void)
883
{
884
    CALL_FROM_TB4(mulu64, &(env->HI), &(env->LO), T0, T1);
885
    RETURN();
886
}
887
#endif
888

    
889
/* Conditional moves */
890
void op_movn (void)
891
{
892
    if (T1 != 0)
893
        env->gpr[PARAM1] = T0;
894
    RETURN();
895
}
896

    
897
void op_movz (void)
898
{
899
    if (T1 == 0)
900
        env->gpr[PARAM1] = T0;
901
    RETURN();
902
}
903

    
904
void op_movf (void)
905
{
906
    if (!(env->fcr31 & PARAM1))
907
        T0 = T1;
908
    RETURN();
909
}
910

    
911
void op_movt (void)
912
{
913
    if (env->fcr31 & PARAM1)
914
        T0 = T1;
915
    RETURN();
916
}
917

    
918
/* Tests */
919
#define OP_COND(name, cond) \
920
void glue(op_, name) (void) \
921
{                           \
922
    if (cond) {             \
923
        T0 = 1;             \
924
    } else {                \
925
        T0 = 0;             \
926
    }                       \
927
    RETURN();               \
928
}
929

    
930
OP_COND(eq, T0 == T1);
931
OP_COND(ne, T0 != T1);
932
OP_COND(ge, (target_long)T0 >= (target_long)T1);
933
OP_COND(geu, T0 >= T1);
934
OP_COND(lt, (target_long)T0 < (target_long)T1);
935
OP_COND(ltu, T0 < T1);
936
OP_COND(gez, (target_long)T0 >= 0);
937
OP_COND(gtz, (target_long)T0 > 0);
938
OP_COND(lez, (target_long)T0 <= 0);
939
OP_COND(ltz, (target_long)T0 < 0);
940

    
941
/* Branches */
942
void OPPROTO op_goto_tb0(void)
943
{
944
    GOTO_TB(op_goto_tb0, PARAM1, 0);
945
    RETURN();
946
}
947

    
948
void OPPROTO op_goto_tb1(void)
949
{
950
    GOTO_TB(op_goto_tb1, PARAM1, 1);
951
    RETURN();
952
}
953

    
954
/* Branch to register */
955
void op_save_breg_target (void)
956
{
957
    env->btarget = T2;
958
    RETURN();
959
}
960

    
961
void op_restore_breg_target (void)
962
{
963
    T2 = env->btarget;
964
    RETURN();
965
}
966

    
967
void op_breg (void)
968
{
969
    env->PC = T2;
970
    RETURN();
971
}
972

    
973
void op_save_btarget (void)
974
{
975
    env->btarget = PARAM1;
976
    RETURN();
977
}
978

    
979
#ifdef TARGET_MIPS64
980
void op_save_btarget64 (void)
981
{
982
    env->btarget = ((uint64_t)PARAM1 << 32) | (uint32_t)PARAM2;
983
    RETURN();
984
}
985
#endif
986

    
987
/* Conditional branch */
988
void op_set_bcond (void)
989
{
990
    T2 = T0;
991
    RETURN();
992
}
993

    
994
void op_save_bcond (void)
995
{
996
    env->bcond = T2;
997
    RETURN();
998
}
999

    
1000
void op_restore_bcond (void)
1001
{
1002
    T2 = env->bcond;
1003
    RETURN();
1004
}
1005

    
1006
void op_jnz_T2 (void)
1007
{
1008
    if (T2)
1009
        GOTO_LABEL_PARAM(1);
1010
    RETURN();
1011
}
1012

    
1013
/* CP0 functions */
1014
void op_mfc0_index (void)
1015
{
1016
    T0 = env->CP0_Index;
1017
    RETURN();
1018
}
1019

    
1020
void op_mfc0_random (void)
1021
{
1022
    CALL_FROM_TB0(do_mfc0_random);
1023
    RETURN();
1024
}
1025

    
1026
void op_mfc0_entrylo0 (void)
1027
{
1028
    T0 = (int32_t)env->CP0_EntryLo0;
1029
    RETURN();
1030
}
1031

    
1032
void op_mfc0_entrylo1 (void)
1033
{
1034
    T0 = (int32_t)env->CP0_EntryLo1;
1035
    RETURN();
1036
}
1037

    
1038
void op_mfc0_context (void)
1039
{
1040
    T0 = (int32_t)env->CP0_Context;
1041
    RETURN();
1042
}
1043

    
1044
void op_mfc0_pagemask (void)
1045
{
1046
    T0 = env->CP0_PageMask;
1047
    RETURN();
1048
}
1049

    
1050
void op_mfc0_pagegrain (void)
1051
{
1052
    T0 = env->CP0_PageGrain;
1053
    RETURN();
1054
}
1055

    
1056
void op_mfc0_wired (void)
1057
{
1058
    T0 = env->CP0_Wired;
1059
    RETURN();
1060
}
1061

    
1062
void op_mfc0_hwrena (void)
1063
{
1064
    T0 = env->CP0_HWREna;
1065
    RETURN();
1066
}
1067

    
1068
void op_mfc0_badvaddr (void)
1069
{
1070
    T0 = (int32_t)env->CP0_BadVAddr;
1071
    RETURN();
1072
}
1073

    
1074
void op_mfc0_count (void)
1075
{
1076
    CALL_FROM_TB0(do_mfc0_count);
1077
    RETURN();
1078
}
1079

    
1080
void op_mfc0_entryhi (void)
1081
{
1082
    T0 = (int32_t)env->CP0_EntryHi;
1083
    RETURN();
1084
}
1085

    
1086
void op_mfc0_compare (void)
1087
{
1088
    T0 = env->CP0_Compare;
1089
    RETURN();
1090
}
1091

    
1092
void op_mfc0_status (void)
1093
{
1094
    T0 = env->CP0_Status;
1095
    RETURN();
1096
}
1097

    
1098
void op_mfc0_intctl (void)
1099
{
1100
    T0 = env->CP0_IntCtl;
1101
    RETURN();
1102
}
1103

    
1104
void op_mfc0_srsctl (void)
1105
{
1106
    T0 = env->CP0_SRSCtl;
1107
    RETURN();
1108
}
1109

    
1110
void op_mfc0_srsmap (void)
1111
{
1112
    T0 = env->CP0_SRSMap;
1113
    RETURN();
1114
}
1115

    
1116
void op_mfc0_cause (void)
1117
{
1118
    T0 = env->CP0_Cause;
1119
    RETURN();
1120
}
1121

    
1122
void op_mfc0_epc (void)
1123
{
1124
    T0 = (int32_t)env->CP0_EPC;
1125
    RETURN();
1126
}
1127

    
1128
void op_mfc0_prid (void)
1129
{
1130
    T0 = env->CP0_PRid;
1131
    RETURN();
1132
}
1133

    
1134
void op_mfc0_ebase (void)
1135
{
1136
    T0 = env->CP0_EBase;
1137
    RETURN();
1138
}
1139

    
1140
void op_mfc0_config0 (void)
1141
{
1142
    T0 = env->CP0_Config0;
1143
    RETURN();
1144
}
1145

    
1146
void op_mfc0_config1 (void)
1147
{
1148
    T0 = env->CP0_Config1;
1149
    RETURN();
1150
}
1151

    
1152
void op_mfc0_config2 (void)
1153
{
1154
    T0 = env->CP0_Config2;
1155
    RETURN();
1156
}
1157

    
1158
void op_mfc0_config3 (void)
1159
{
1160
    T0 = env->CP0_Config3;
1161
    RETURN();
1162
}
1163

    
1164
void op_mfc0_config6 (void)
1165
{
1166
    T0 = env->CP0_Config6;
1167
    RETURN();
1168
}
1169

    
1170
void op_mfc0_config7 (void)
1171
{
1172
    T0 = env->CP0_Config7;
1173
    RETURN();
1174
}
1175

    
1176
void op_mfc0_lladdr (void)
1177
{
1178
    T0 = (int32_t)env->CP0_LLAddr >> 4;
1179
    RETURN();
1180
}
1181

    
1182
void op_mfc0_watchlo (void)
1183
{
1184
    T0 = (int32_t)env->CP0_WatchLo[PARAM1];
1185
    RETURN();
1186
}
1187

    
1188
void op_mfc0_watchhi (void)
1189
{
1190
    T0 = env->CP0_WatchHi[PARAM1];
1191
    RETURN();
1192
}
1193

    
1194
void op_mfc0_xcontext (void)
1195
{
1196
    T0 = (int32_t)env->CP0_XContext;
1197
    RETURN();
1198
}
1199

    
1200
void op_mfc0_framemask (void)
1201
{
1202
    T0 = env->CP0_Framemask;
1203
    RETURN();
1204
}
1205

    
1206
void op_mfc0_debug (void)
1207
{
1208
    T0 = env->CP0_Debug;
1209
    if (env->hflags & MIPS_HFLAG_DM)
1210
        T0 |= 1 << CP0DB_DM;
1211
    RETURN();
1212
}
1213

    
1214
void op_mfc0_depc (void)
1215
{
1216
    T0 = (int32_t)env->CP0_DEPC;
1217
    RETURN();
1218
}
1219

    
1220
void op_mfc0_performance0 (void)
1221
{
1222
    T0 = env->CP0_Performance0;
1223
    RETURN();
1224
}
1225

    
1226
void op_mfc0_taglo (void)
1227
{
1228
    T0 = env->CP0_TagLo;
1229
    RETURN();
1230
}
1231

    
1232
void op_mfc0_datalo (void)
1233
{
1234
    T0 = env->CP0_DataLo;
1235
    RETURN();
1236
}
1237

    
1238
void op_mfc0_taghi (void)
1239
{
1240
    T0 = env->CP0_TagHi;
1241
    RETURN();
1242
}
1243

    
1244
void op_mfc0_datahi (void)
1245
{
1246
    T0 = env->CP0_DataHi;
1247
    RETURN();
1248
}
1249

    
1250
void op_mfc0_errorepc (void)
1251
{
1252
    T0 = (int32_t)env->CP0_ErrorEPC;
1253
    RETURN();
1254
}
1255

    
1256
void op_mfc0_desave (void)
1257
{
1258
    T0 = env->CP0_DESAVE;
1259
    RETURN();
1260
}
1261

    
1262
void op_mtc0_index (void)
1263
{
1264
    env->CP0_Index = (env->CP0_Index & 0x80000000) | (T0 % env->nb_tlb);
1265
    RETURN();
1266
}
1267

    
1268
void op_mtc0_entrylo0 (void)
1269
{
1270
    /* Large physaddr not implemented */
1271
    /* 1k pages not implemented */
1272
    env->CP0_EntryLo0 = T0 & 0x3FFFFFFF;
1273
    RETURN();
1274
}
1275

    
1276
void op_mtc0_entrylo1 (void)
1277
{
1278
    /* Large physaddr not implemented */
1279
    /* 1k pages not implemented */
1280
    env->CP0_EntryLo1 = T0 & 0x3FFFFFFF;
1281
    RETURN();
1282
}
1283

    
1284
void op_mtc0_context (void)
1285
{
1286
    env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (T0 & ~0x007FFFFF);
1287
    RETURN();
1288
}
1289

    
1290
void op_mtc0_pagemask (void)
1291
{
1292
    /* 1k pages not implemented */
1293
    env->CP0_PageMask = T0 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1294
    RETURN();
1295
}
1296

    
1297
void op_mtc0_pagegrain (void)
1298
{
1299
    /* SmartMIPS not implemented */
1300
    /* Large physaddr not implemented */
1301
    /* 1k pages not implemented */
1302
    env->CP0_PageGrain = 0;
1303
    RETURN();
1304
}
1305

    
1306
void op_mtc0_wired (void)
1307
{
1308
    env->CP0_Wired = T0 % env->nb_tlb;
1309
    RETURN();
1310
}
1311

    
1312
void op_mtc0_hwrena (void)
1313
{
1314
    env->CP0_HWREna = T0 & 0x0000000F;
1315
    RETURN();
1316
}
1317

    
1318
void op_mtc0_count (void)
1319
{
1320
    CALL_FROM_TB2(cpu_mips_store_count, env, T0);
1321
    RETURN();
1322
}
1323

    
1324
void op_mtc0_entryhi (void)
1325
{
1326
    target_ulong old, val;
1327

    
1328
    /* 1k pages not implemented */
1329
    val = T0 & ((TARGET_PAGE_MASK << 1) | 0xFF);
1330
#ifdef TARGET_MIPS64
1331
    val = T0 & 0xC00000FFFFFFFFFFULL;
1332
#endif
1333
    old = env->CP0_EntryHi;
1334
    env->CP0_EntryHi = val;
1335
    /* If the ASID changes, flush qemu's TLB.  */
1336
    if ((old & 0xFF) != (val & 0xFF))
1337
        CALL_FROM_TB2(cpu_mips_tlb_flush, env, 1);
1338
    RETURN();
1339
}
1340

    
1341
void op_mtc0_compare (void)
1342
{
1343
    CALL_FROM_TB2(cpu_mips_store_compare, env, T0);
1344
    RETURN();
1345
}
1346

    
1347
void op_mtc0_status (void)
1348
{
1349
    uint32_t val, old;
1350
    uint32_t mask = env->Status_rw_bitmask;
1351

    
1352
    /* No reverse endianness, no MDMX/DSP implemented. */
1353
    val = T0 & mask;
1354
    old = env->CP0_Status;
1355
    if (!(val & (1 << CP0St_EXL)) &&
1356
        !(val & (1 << CP0St_ERL)) &&
1357
        !(env->hflags & MIPS_HFLAG_DM) &&
1358
        (val & (1 << CP0St_UM)))
1359
        env->hflags |= MIPS_HFLAG_UM;
1360
#ifdef TARGET_MIPS64
1361
    if ((env->hflags & MIPS_HFLAG_UM) &&
1362
        !(val & (1 << CP0St_PX)) &&
1363
        !(val & (1 << CP0St_UX)))
1364
        env->hflags &= ~MIPS_HFLAG_64;
1365
#endif
1366
    if (val & (1 << CP0St_CU1))
1367
        env->hflags |= MIPS_HFLAG_FPU;
1368
    else
1369
        env->hflags &= ~MIPS_HFLAG_FPU;
1370
    if (val & (1 << CP0St_FR))
1371
        env->hflags |= MIPS_HFLAG_F64;
1372
    else
1373
        env->hflags &= ~MIPS_HFLAG_F64;
1374
    env->CP0_Status = (env->CP0_Status & ~mask) | val;
1375
    if (loglevel & CPU_LOG_EXEC)
1376
        CALL_FROM_TB2(do_mtc0_status_debug, old, val);
1377
    CALL_FROM_TB1(cpu_mips_update_irq, env);
1378
    RETURN();
1379
}
1380

    
1381
void op_mtc0_intctl (void)
1382
{
1383
    /* vectored interrupts not implemented, timer on int 7,
1384
       no performance counters. */
1385
    env->CP0_IntCtl |= T0 & 0x000002e0;
1386
    RETURN();
1387
}
1388

    
1389
void op_mtc0_srsctl (void)
1390
{
1391
    /* shadow registers not implemented */
1392
    env->CP0_SRSCtl = 0;
1393
    RETURN();
1394
}
1395

    
1396
void op_mtc0_srsmap (void)
1397
{
1398
    /* shadow registers not implemented */
1399
    env->CP0_SRSMap = 0;
1400
    RETURN();
1401
}
1402

    
1403
void op_mtc0_cause (void)
1404
{
1405
    uint32_t mask = 0x00C00300;
1406

    
1407
    if ((env->CP0_Config0 & (0x7 << CP0C0_AR)) == (1 << CP0C0_AR))
1408
        mask |= 1 << CP0Ca_DC;
1409

    
1410
    env->CP0_Cause = (env->CP0_Cause & ~mask) | (T0 & mask);
1411

    
1412
    /* Handle the software interrupt as an hardware one, as they
1413
       are very similar */
1414
    if (T0 & CP0Ca_IP_mask) {
1415
        CALL_FROM_TB1(cpu_mips_update_irq, env);
1416
    }
1417
    RETURN();
1418
}
1419

    
1420
void op_mtc0_epc (void)
1421
{
1422
    env->CP0_EPC = T0;
1423
    RETURN();
1424
}
1425

    
1426
void op_mtc0_ebase (void)
1427
{
1428
    /* vectored interrupts not implemented */
1429
    /* Multi-CPU not implemented */
1430
    env->CP0_EBase = 0x80000000 | (T0 & 0x3FFFF000);
1431
    RETURN();
1432
}
1433

    
1434
void op_mtc0_config0 (void)
1435
{
1436
    env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (T0 & 0x00000001);
1437
    RETURN();
1438
}
1439

    
1440
void op_mtc0_config2 (void)
1441
{
1442
    /* tertiary/secondary caches not implemented */
1443
    env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1444
    RETURN();
1445
}
1446

    
1447
void op_mtc0_watchlo (void)
1448
{
1449
    /* Watch exceptions for instructions, data loads, data stores
1450
       not implemented. */
1451
    env->CP0_WatchLo[PARAM1] = (T0 & ~0x7);
1452
    RETURN();
1453
}
1454

    
1455
void op_mtc0_watchhi (void)
1456
{
1457
    env->CP0_WatchHi[PARAM1] = (T0 & 0x40FF0FF8);
1458
    env->CP0_WatchHi[PARAM1] &= ~(env->CP0_WatchHi[PARAM1] & T0 & 0x7);
1459
    RETURN();
1460
}
1461

    
1462
void op_mtc0_framemask (void)
1463
{
1464
    env->CP0_Framemask = T0; /* XXX */
1465
    RETURN();
1466
}
1467

    
1468
void op_mtc0_debug (void)
1469
{
1470
    env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (T0 & 0x13300120);
1471
    if (T0 & (1 << CP0DB_DM))
1472
        env->hflags |= MIPS_HFLAG_DM;
1473
    else
1474
        env->hflags &= ~MIPS_HFLAG_DM;
1475
    RETURN();
1476
}
1477

    
1478
void op_mtc0_depc (void)
1479
{
1480
    env->CP0_DEPC = T0;
1481
    RETURN();
1482
}
1483

    
1484
void op_mtc0_performance0 (void)
1485
{
1486
    env->CP0_Performance0 = T0; /* XXX */
1487
    RETURN();
1488
}
1489

    
1490
void op_mtc0_taglo (void)
1491
{
1492
    env->CP0_TagLo = T0 & 0xFFFFFCF6;
1493
    RETURN();
1494
}
1495

    
1496
void op_mtc0_datalo (void)
1497
{
1498
    env->CP0_DataLo = T0; /* XXX */
1499
    RETURN();
1500
}
1501

    
1502
void op_mtc0_taghi (void)
1503
{
1504
    env->CP0_TagHi = T0; /* XXX */
1505
    RETURN();
1506
}
1507

    
1508
void op_mtc0_datahi (void)
1509
{
1510
    env->CP0_DataHi = T0; /* XXX */
1511
    RETURN();
1512
}
1513

    
1514
void op_mtc0_errorepc (void)
1515
{
1516
    env->CP0_ErrorEPC = T0;
1517
    RETURN();
1518
}
1519

    
1520
void op_mtc0_desave (void)
1521
{
1522
    env->CP0_DESAVE = T0;
1523
    RETURN();
1524
}
1525

    
1526
#ifdef TARGET_MIPS64
1527
void op_mtc0_xcontext (void)
1528
{
1529
    env->CP0_XContext = (env->CP0_XContext & 0x1ffffffffULL) | (T0 & ~0x1ffffffffULL);
1530
    RETURN();
1531
}
1532

    
1533
void op_dmfc0_entrylo0 (void)
1534
{
1535
    T0 = env->CP0_EntryLo0;
1536
    RETURN();
1537
}
1538

    
1539
void op_dmfc0_entrylo1 (void)
1540
{
1541
    T0 = env->CP0_EntryLo1;
1542
    RETURN();
1543
}
1544

    
1545
void op_dmfc0_context (void)
1546
{
1547
    T0 = env->CP0_Context;
1548
    RETURN();
1549
}
1550

    
1551
void op_dmfc0_badvaddr (void)
1552
{
1553
    T0 = env->CP0_BadVAddr;
1554
    RETURN();
1555
}
1556

    
1557
void op_dmfc0_entryhi (void)
1558
{
1559
    T0 = env->CP0_EntryHi;
1560
    RETURN();
1561
}
1562

    
1563
void op_dmfc0_epc (void)
1564
{
1565
    T0 = env->CP0_EPC;
1566
    RETURN();
1567
}
1568

    
1569
void op_dmfc0_lladdr (void)
1570
{
1571
    T0 = env->CP0_LLAddr >> 4;
1572
    RETURN();
1573
}
1574

    
1575
void op_dmfc0_watchlo (void)
1576
{
1577
    T0 = env->CP0_WatchLo[PARAM1];
1578
    RETURN();
1579
}
1580

    
1581
void op_dmfc0_xcontext (void)
1582
{
1583
    T0 = env->CP0_XContext;
1584
    RETURN();
1585
}
1586

    
1587
void op_dmfc0_depc (void)
1588
{
1589
    T0 = env->CP0_DEPC;
1590
    RETURN();
1591
}
1592

    
1593
void op_dmfc0_errorepc (void)
1594
{
1595
    T0 = env->CP0_ErrorEPC;
1596
    RETURN();
1597
}
1598
#endif /* TARGET_MIPS64 */
1599

    
1600
/* CP1 functions */
1601
#if 0
1602
# define DEBUG_FPU_STATE() CALL_FROM_TB1(dump_fpu, env)
1603
#else
1604
# define DEBUG_FPU_STATE() do { } while(0)
1605
#endif
1606

    
1607
void op_cp0_enabled(void)
1608
{
1609
    if (!(env->CP0_Status & (1 << CP0St_CU0)) &&
1610
        (env->hflags & MIPS_HFLAG_UM)) {
1611
        CALL_FROM_TB2(do_raise_exception_err, EXCP_CpU, 0);
1612
    }
1613
    RETURN();
1614
}
1615

    
1616
void op_cfc1 (void)
1617
{
1618
    switch (T1) {
1619
    case 0:
1620
        T0 = (int32_t)env->fcr0;
1621
        break;
1622
    case 25:
1623
        T0 = ((env->fcr31 >> 24) & 0xfe) | ((env->fcr31 >> 23) & 0x1);
1624
        break;
1625
    case 26:
1626
        T0 = env->fcr31 & 0x0003f07c;
1627
        break;
1628
    case 28:
1629
        T0 = (env->fcr31 & 0x00000f83) | ((env->fcr31 >> 22) & 0x4);
1630
        break;
1631
    default:
1632
        T0 = (int32_t)env->fcr31;
1633
        break;
1634
    }
1635
    DEBUG_FPU_STATE();
1636
    RETURN();
1637
}
1638

    
1639
void op_ctc1 (void)
1640
{
1641
    CALL_FROM_TB0(do_ctc1);
1642
    DEBUG_FPU_STATE();
1643
    RETURN();
1644
}
1645

    
1646
void op_mfc1 (void)
1647
{
1648
    T0 = WT0;
1649
    DEBUG_FPU_STATE();
1650
    RETURN();
1651
}
1652

    
1653
void op_mtc1 (void)
1654
{
1655
    WT0 = T0;
1656
    DEBUG_FPU_STATE();
1657
    RETURN();
1658
}
1659

    
1660
void op_dmfc1 (void)
1661
{
1662
    T0 = DT0;
1663
    DEBUG_FPU_STATE();
1664
    RETURN();
1665
}
1666

    
1667
void op_dmtc1 (void)
1668
{
1669
    DT0 = T0;
1670
    DEBUG_FPU_STATE();
1671
    RETURN();
1672
}
1673

    
1674
void op_mfhc1 (void)
1675
{
1676
    T0 = WTH0;
1677
    DEBUG_FPU_STATE();
1678
    RETURN();
1679
}
1680

    
1681
void op_mthc1 (void)
1682
{
1683
    WTH0 = T0;
1684
    DEBUG_FPU_STATE();
1685
    RETURN();
1686
}
1687

    
1688
/* Float support.
1689
   Single precition routines have a "s" suffix, double precision a
1690
   "d" suffix, 32bit integer "w", 64bit integer "l", paired singe "ps",
1691
   paired single lowwer "pl", paired single upper "pu".  */
1692

    
1693
#define FLOAT_OP(name, p) void OPPROTO op_float_##name##_##p(void)
1694

    
1695
FLOAT_OP(cvtd, s)
1696
{
1697
    CALL_FROM_TB0(do_float_cvtd_s);
1698
    DEBUG_FPU_STATE();
1699
    RETURN();
1700
}
1701
FLOAT_OP(cvtd, w)
1702
{
1703
    CALL_FROM_TB0(do_float_cvtd_w);
1704
    DEBUG_FPU_STATE();
1705
    RETURN();
1706
}
1707
FLOAT_OP(cvtd, l)
1708
{
1709
    CALL_FROM_TB0(do_float_cvtd_l);
1710
    DEBUG_FPU_STATE();
1711
    RETURN();
1712
}
1713
FLOAT_OP(cvtl, d)
1714
{
1715
    CALL_FROM_TB0(do_float_cvtl_d);
1716
    DEBUG_FPU_STATE();
1717
    RETURN();
1718
}
1719
FLOAT_OP(cvtl, s)
1720
{
1721
    CALL_FROM_TB0(do_float_cvtl_s);
1722
    DEBUG_FPU_STATE();
1723
    RETURN();
1724
}
1725
FLOAT_OP(cvtps, s)
1726
{
1727
    WT2 = WT0;
1728
    WTH2 = WT1;
1729
    DEBUG_FPU_STATE();
1730
    RETURN();
1731
}
1732
FLOAT_OP(cvtps, pw)
1733
{
1734
    CALL_FROM_TB0(do_float_cvtps_pw);
1735
    DEBUG_FPU_STATE();
1736
    RETURN();
1737
}
1738
FLOAT_OP(cvtpw, ps)
1739
{
1740
    CALL_FROM_TB0(do_float_cvtpw_ps);
1741
    DEBUG_FPU_STATE();
1742
    RETURN();
1743
}
1744
FLOAT_OP(cvts, d)
1745
{
1746
    CALL_FROM_TB0(do_float_cvts_d);
1747
    DEBUG_FPU_STATE();
1748
    RETURN();
1749
}
1750
FLOAT_OP(cvts, w)
1751
{
1752
    CALL_FROM_TB0(do_float_cvts_w);
1753
    DEBUG_FPU_STATE();
1754
    RETURN();
1755
}
1756
FLOAT_OP(cvts, l)
1757
{
1758
    CALL_FROM_TB0(do_float_cvts_l);
1759
    DEBUG_FPU_STATE();
1760
    RETURN();
1761
}
1762
FLOAT_OP(cvts, pl)
1763
{
1764
    CALL_FROM_TB0(do_float_cvts_pl);
1765
    DEBUG_FPU_STATE();
1766
    RETURN();
1767
}
1768
FLOAT_OP(cvts, pu)
1769
{
1770
    CALL_FROM_TB0(do_float_cvts_pu);
1771
    DEBUG_FPU_STATE();
1772
    RETURN();
1773
}
1774
FLOAT_OP(cvtw, s)
1775
{
1776
    CALL_FROM_TB0(do_float_cvtw_s);
1777
    DEBUG_FPU_STATE();
1778
    RETURN();
1779
}
1780
FLOAT_OP(cvtw, d)
1781
{
1782
    CALL_FROM_TB0(do_float_cvtw_d);
1783
    DEBUG_FPU_STATE();
1784
    RETURN();
1785
}
1786

    
1787
FLOAT_OP(pll, ps)
1788
{
1789
    DT2 = ((uint64_t)WT0 << 32) | WT1;
1790
    DEBUG_FPU_STATE();
1791
    RETURN();
1792
}
1793
FLOAT_OP(plu, ps)
1794
{
1795
    DT2 = ((uint64_t)WT0 << 32) | WTH1;
1796
    DEBUG_FPU_STATE();
1797
    RETURN();
1798
}
1799
FLOAT_OP(pul, ps)
1800
{
1801
    DT2 = ((uint64_t)WTH0 << 32) | WT1;
1802
    DEBUG_FPU_STATE();
1803
    RETURN();
1804
}
1805
FLOAT_OP(puu, ps)
1806
{
1807
    DT2 = ((uint64_t)WTH0 << 32) | WTH1;
1808
    DEBUG_FPU_STATE();
1809
    RETURN();
1810
}
1811

    
1812
#define FLOAT_ROUNDOP(op, ttype, stype)                    \
1813
FLOAT_OP(op ## ttype, stype)                               \
1814
{                                                          \
1815
    CALL_FROM_TB0(do_float_ ## op ## ttype ## _ ## stype); \
1816
    DEBUG_FPU_STATE();                                     \
1817
    RETURN();                                              \
1818
}
1819

    
1820
FLOAT_ROUNDOP(round, l, d)
1821
FLOAT_ROUNDOP(round, l, s)
1822
FLOAT_ROUNDOP(round, w, d)
1823
FLOAT_ROUNDOP(round, w, s)
1824

    
1825
FLOAT_ROUNDOP(trunc, l, d)
1826
FLOAT_ROUNDOP(trunc, l, s)
1827
FLOAT_ROUNDOP(trunc, w, d)
1828
FLOAT_ROUNDOP(trunc, w, s)
1829

    
1830
FLOAT_ROUNDOP(ceil, l, d)
1831
FLOAT_ROUNDOP(ceil, l, s)
1832
FLOAT_ROUNDOP(ceil, w, d)
1833
FLOAT_ROUNDOP(ceil, w, s)
1834

    
1835
FLOAT_ROUNDOP(floor, l, d)
1836
FLOAT_ROUNDOP(floor, l, s)
1837
FLOAT_ROUNDOP(floor, w, d)
1838
FLOAT_ROUNDOP(floor, w, s)
1839
#undef FLOAR_ROUNDOP
1840

    
1841
FLOAT_OP(movf, d)
1842
{
1843
    if (!(env->fcr31 & PARAM1))
1844
        DT2 = DT0;
1845
    DEBUG_FPU_STATE();
1846
    RETURN();
1847
}
1848
FLOAT_OP(movf, s)
1849
{
1850
    if (!(env->fcr31 & PARAM1))
1851
        WT2 = WT0;
1852
    DEBUG_FPU_STATE();
1853
    RETURN();
1854
}
1855
FLOAT_OP(movf, ps)
1856
{
1857
    if (!(env->fcr31 & PARAM1)) {
1858
        WT2 = WT0;
1859
        WTH2 = WTH0;
1860
    }
1861
    DEBUG_FPU_STATE();
1862
    RETURN();
1863
}
1864
FLOAT_OP(movt, d)
1865
{
1866
    if (env->fcr31 & PARAM1)
1867
        DT2 = DT0;
1868
    DEBUG_FPU_STATE();
1869
    RETURN();
1870
}
1871
FLOAT_OP(movt, s)
1872
{
1873
    if (env->fcr31 & PARAM1)
1874
        WT2 = WT0;
1875
    DEBUG_FPU_STATE();
1876
    RETURN();
1877
}
1878
FLOAT_OP(movt, ps)
1879
{
1880
    if (env->fcr31 & PARAM1) {
1881
        WT2 = WT0;
1882
        WTH2 = WTH0;
1883
    }
1884
    DEBUG_FPU_STATE();
1885
    RETURN();
1886
}
1887
FLOAT_OP(movz, d)
1888
{
1889
    if (!T0)
1890
        DT2 = DT0;
1891
    DEBUG_FPU_STATE();
1892
    RETURN();
1893
}
1894
FLOAT_OP(movz, s)
1895
{
1896
    if (!T0)
1897
        WT2 = WT0;
1898
    DEBUG_FPU_STATE();
1899
    RETURN();
1900
}
1901
FLOAT_OP(movz, ps)
1902
{
1903
    if (!T0) {
1904
        WT2 = WT0;
1905
        WTH2 = WTH0;
1906
    }
1907
    DEBUG_FPU_STATE();
1908
    RETURN();
1909
}
1910
FLOAT_OP(movn, d)
1911
{
1912
    if (T0)
1913
        DT2 = DT0;
1914
    DEBUG_FPU_STATE();
1915
    RETURN();
1916
}
1917
FLOAT_OP(movn, s)
1918
{
1919
    if (T0)
1920
        WT2 = WT0;
1921
    DEBUG_FPU_STATE();
1922
    RETURN();
1923
}
1924
FLOAT_OP(movn, ps)
1925
{
1926
    if (T0) {
1927
        WT2 = WT0;
1928
        WTH2 = WTH0;
1929
    }
1930
    DEBUG_FPU_STATE();
1931
    RETURN();
1932
}
1933

    
1934
/* operations calling helpers, for s, d and ps */
1935
#define FLOAT_HOP(name) \
1936
FLOAT_OP(name, d)         \
1937
{                         \
1938
    CALL_FROM_TB0(do_float_ ## name ## _d);  \
1939
    DEBUG_FPU_STATE();    \
1940
    RETURN();             \
1941
}                         \
1942
FLOAT_OP(name, s)         \
1943
{                         \
1944
    CALL_FROM_TB0(do_float_ ## name ## _s);  \
1945
    DEBUG_FPU_STATE();    \
1946
    RETURN();             \
1947
}                         \
1948
FLOAT_OP(name, ps)        \
1949
{                         \
1950
    CALL_FROM_TB0(do_float_ ## name ## _ps); \
1951
    DEBUG_FPU_STATE();    \
1952
    RETURN();             \
1953
}
1954
FLOAT_HOP(add)
1955
FLOAT_HOP(sub)
1956
FLOAT_HOP(mul)
1957
FLOAT_HOP(div)
1958
FLOAT_HOP(recip2)
1959
FLOAT_HOP(rsqrt2)
1960
FLOAT_HOP(rsqrt1)
1961
FLOAT_HOP(recip1)
1962
#undef FLOAT_HOP
1963

    
1964
/* operations calling helpers, for s and d */
1965
#define FLOAT_HOP(name)   \
1966
FLOAT_OP(name, d)         \
1967
{                         \
1968
    CALL_FROM_TB0(do_float_ ## name ## _d);  \
1969
    DEBUG_FPU_STATE();    \
1970
    RETURN();             \
1971
}                         \
1972
FLOAT_OP(name, s)         \
1973
{                         \
1974
    CALL_FROM_TB0(do_float_ ## name ## _s);  \
1975
    DEBUG_FPU_STATE();    \
1976
    RETURN();             \
1977
}
1978
FLOAT_HOP(rsqrt)
1979
FLOAT_HOP(recip)
1980
#undef FLOAT_HOP
1981

    
1982
/* operations calling helpers, for ps */
1983
#define FLOAT_HOP(name)   \
1984
FLOAT_OP(name, ps)        \
1985
{                         \
1986
    CALL_FROM_TB0(do_float_ ## name ## _ps); \
1987
    DEBUG_FPU_STATE();    \
1988
    RETURN();             \
1989
}
1990
FLOAT_HOP(addr)
1991
FLOAT_HOP(mulr)
1992
#undef FLOAT_HOP
1993

    
1994
/* ternary operations */
1995
#define FLOAT_TERNOP(name1, name2) \
1996
FLOAT_OP(name1 ## name2, d)        \
1997
{                                  \
1998
    FDT0 = float64_ ## name1 (FDT0, FDT1, &env->fp_status);    \
1999
    FDT2 = float64_ ## name2 (FDT0, FDT2, &env->fp_status);    \
2000
    DEBUG_FPU_STATE();             \
2001
    RETURN();                      \
2002
}                                  \
2003
FLOAT_OP(name1 ## name2, s)        \
2004
{                                  \
2005
    FST0 = float32_ ## name1 (FST0, FST1, &env->fp_status);    \
2006
    FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status);    \
2007
    DEBUG_FPU_STATE();             \
2008
    RETURN();                      \
2009
}                                  \
2010
FLOAT_OP(name1 ## name2, ps)       \
2011
{                                  \
2012
    FST0 = float32_ ## name1 (FST0, FST1, &env->fp_status);    \
2013
    FSTH0 = float32_ ## name1 (FSTH0, FSTH1, &env->fp_status); \
2014
    FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status);    \
2015
    FSTH2 = float32_ ## name2 (FSTH0, FSTH2, &env->fp_status); \
2016
    DEBUG_FPU_STATE();             \
2017
    RETURN();                      \
2018
}
2019
FLOAT_TERNOP(mul, add)
2020
FLOAT_TERNOP(mul, sub)
2021
#undef FLOAT_TERNOP
2022

    
2023
/* negated ternary operations */
2024
#define FLOAT_NTERNOP(name1, name2) \
2025
FLOAT_OP(n ## name1 ## name2, d)    \
2026
{                                   \
2027
    FDT0 = float64_ ## name1 (FDT0, FDT1, &env->fp_status);    \
2028
    FDT2 = float64_ ## name2 (FDT0, FDT2, &env->fp_status);    \
2029
    FDT2 ^= 1ULL << 63;             \
2030
    DEBUG_FPU_STATE();              \
2031
    RETURN();                       \
2032
}                                   \
2033
FLOAT_OP(n ## name1 ## name2, s)    \
2034
{                                   \
2035
    FST0 = float32_ ## name1 (FST0, FST1, &env->fp_status);    \
2036
    FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status);    \
2037
    FST2 ^= 1 << 31;                \
2038
    DEBUG_FPU_STATE();              \
2039
    RETURN();                       \
2040
}                                   \
2041
FLOAT_OP(n ## name1 ## name2, ps)   \
2042
{                                   \
2043
    FST0 = float32_ ## name1 (FST0, FST1, &env->fp_status);    \
2044
    FSTH0 = float32_ ## name1 (FSTH0, FSTH1, &env->fp_status); \
2045
    FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status);    \
2046
    FSTH2 = float32_ ## name2 (FSTH0, FSTH2, &env->fp_status); \
2047
    FST2 ^= 1 << 31;                \
2048
    FSTH2 ^= 1 << 31;               \
2049
    DEBUG_FPU_STATE();              \
2050
    RETURN();                       \
2051
}
2052
FLOAT_NTERNOP(mul, add)
2053
FLOAT_NTERNOP(mul, sub)
2054
#undef FLOAT_NTERNOP
2055

    
2056
/* unary operations, modifying fp status  */
2057
#define FLOAT_UNOP(name)  \
2058
FLOAT_OP(name, d)         \
2059
{                         \
2060
    FDT2 = float64_ ## name(FDT0, &env->fp_status);   \
2061
    DEBUG_FPU_STATE();    \
2062
    RETURN();                      \
2063
}                         \
2064
FLOAT_OP(name, s)         \
2065
{                         \
2066
    FST2 = float32_ ## name(FST0, &env->fp_status);   \
2067
    DEBUG_FPU_STATE();    \
2068
    RETURN();             \
2069
}
2070
FLOAT_UNOP(sqrt)
2071
#undef FLOAT_UNOP
2072

    
2073
/* unary operations, not modifying fp status  */
2074
#define FLOAT_UNOP(name)  \
2075
FLOAT_OP(name, d)         \
2076
{                         \
2077
    FDT2 = float64_ ## name(FDT0);   \
2078
    DEBUG_FPU_STATE();    \
2079
    RETURN();             \
2080
}                         \
2081
FLOAT_OP(name, s)         \
2082
{                         \
2083
    FST2 = float32_ ## name(FST0);   \
2084
    DEBUG_FPU_STATE();    \
2085
    RETURN();             \
2086
}                         \
2087
FLOAT_OP(name, ps)        \
2088
{                         \
2089
    FST2 = float32_ ## name(FST0);   \
2090
    FSTH2 = float32_ ## name(FSTH0); \
2091
    DEBUG_FPU_STATE();    \
2092
    RETURN();             \
2093
}
2094
FLOAT_UNOP(abs)
2095
FLOAT_UNOP(chs)
2096
#undef FLOAT_UNOP
2097

    
2098
FLOAT_OP(mov, d)
2099
{
2100
    FDT2 = FDT0;
2101
    DEBUG_FPU_STATE();
2102
    RETURN();
2103
}
2104
FLOAT_OP(mov, s)
2105
{
2106
    FST2 = FST0;
2107
    DEBUG_FPU_STATE();
2108
    RETURN();
2109
}
2110
FLOAT_OP(mov, ps)
2111
{
2112
    FST2 = FST0;
2113
    FSTH2 = FSTH0;
2114
    DEBUG_FPU_STATE();
2115
    RETURN();
2116
}
2117
FLOAT_OP(alnv, ps)
2118
{
2119
    switch (T0 & 0x7) {
2120
    case 0:
2121
        FST2 = FST0;
2122
        FSTH2 = FSTH0;
2123
        break;
2124
    case 4:
2125
#ifdef TARGET_WORDS_BIGENDIAN
2126
        FSTH2 = FST0;
2127
        FST2 = FSTH1;
2128
#else
2129
        FSTH2 = FST1;
2130
        FST2 = FSTH0;
2131
#endif
2132
        break;
2133
    default: /* unpredictable */
2134
        break;
2135
    }
2136
    DEBUG_FPU_STATE();
2137
    RETURN();
2138
}
2139

    
2140
#ifdef CONFIG_SOFTFLOAT
2141
#define clear_invalid() do {                                \
2142
    int flags = get_float_exception_flags(&env->fp_status); \
2143
    flags &= ~float_flag_invalid;                           \
2144
    set_float_exception_flags(flags, &env->fp_status);      \
2145
} while(0)
2146
#else
2147
#define clear_invalid() do { } while(0)
2148
#endif
2149

    
2150
extern void dump_fpu_s(CPUState *env);
2151

    
2152
#define CMP_OP(fmt, op)                                \
2153
void OPPROTO op_cmp ## _ ## fmt ## _ ## op(void)       \
2154
{                                                      \
2155
    CALL_FROM_TB1(do_cmp ## _ ## fmt ## _ ## op, PARAM1); \
2156
    DEBUG_FPU_STATE();                                 \
2157
    RETURN();                                          \
2158
}                                                      \
2159
void OPPROTO op_cmpabs ## _ ## fmt ## _ ## op(void)    \
2160
{                                                      \
2161
    CALL_FROM_TB1(do_cmpabs ## _ ## fmt ## _ ## op, PARAM1); \
2162
    DEBUG_FPU_STATE();                                 \
2163
    RETURN();                                          \
2164
}
2165
#define CMP_OPS(op)   \
2166
CMP_OP(d, op)         \
2167
CMP_OP(s, op)         \
2168
CMP_OP(ps, op)
2169

    
2170
CMP_OPS(f)
2171
CMP_OPS(un)
2172
CMP_OPS(eq)
2173
CMP_OPS(ueq)
2174
CMP_OPS(olt)
2175
CMP_OPS(ult)
2176
CMP_OPS(ole)
2177
CMP_OPS(ule)
2178
CMP_OPS(sf)
2179
CMP_OPS(ngle)
2180
CMP_OPS(seq)
2181
CMP_OPS(ngl)
2182
CMP_OPS(lt)
2183
CMP_OPS(nge)
2184
CMP_OPS(le)
2185
CMP_OPS(ngt)
2186
#undef CMP_OPS
2187
#undef CMP_OP
2188

    
2189
void op_bc1f (void)
2190
{
2191
    T0 = !!(~GET_FP_COND(env) & (0x1 << PARAM1));
2192
    DEBUG_FPU_STATE();
2193
    RETURN();
2194
}
2195
void op_bc1any2f (void)
2196
{
2197
    T0 = !!(~GET_FP_COND(env) & (0x3 << PARAM1));
2198
    DEBUG_FPU_STATE();
2199
    RETURN();
2200
}
2201
void op_bc1any4f (void)
2202
{
2203
    T0 = !!(~GET_FP_COND(env) & (0xf << PARAM1));
2204
    DEBUG_FPU_STATE();
2205
    RETURN();
2206
}
2207

    
2208
void op_bc1t (void)
2209
{
2210
    T0 = !!(GET_FP_COND(env) & (0x1 << PARAM1));
2211
    DEBUG_FPU_STATE();
2212
    RETURN();
2213
}
2214
void op_bc1any2t (void)
2215
{
2216
    T0 = !!(GET_FP_COND(env) & (0x3 << PARAM1));
2217
    DEBUG_FPU_STATE();
2218
    RETURN();
2219
}
2220
void op_bc1any4t (void)
2221
{
2222
    T0 = !!(GET_FP_COND(env) & (0xf << PARAM1));
2223
    DEBUG_FPU_STATE();
2224
    RETURN();
2225
}
2226

    
2227
void op_tlbwi (void)
2228
{
2229
    CALL_FROM_TB0(env->do_tlbwi);
2230
    RETURN();
2231
}
2232

    
2233
void op_tlbwr (void)
2234
{
2235
    CALL_FROM_TB0(env->do_tlbwr);
2236
    RETURN();
2237
}
2238

    
2239
void op_tlbp (void)
2240
{
2241
    CALL_FROM_TB0(env->do_tlbp);
2242
    RETURN();
2243
}
2244

    
2245
void op_tlbr (void)
2246
{
2247
    CALL_FROM_TB0(env->do_tlbr);
2248
    RETURN();
2249
}
2250

    
2251
/* Specials */
2252
#if defined (CONFIG_USER_ONLY)
2253
void op_tls_value (void)
2254
{
2255
    T0 = env->tls_value;
2256
}
2257
#endif
2258

    
2259
void op_pmon (void)
2260
{
2261
    CALL_FROM_TB1(do_pmon, PARAM1);
2262
    RETURN();
2263
}
2264

    
2265
void op_di (void)
2266
{
2267
    T0 = env->CP0_Status;
2268
    env->CP0_Status = T0 & ~(1 << CP0St_IE);
2269
    CALL_FROM_TB1(cpu_mips_update_irq, env);
2270
    RETURN();
2271
}
2272

    
2273
void op_ei (void)
2274
{
2275
    T0 = env->CP0_Status;
2276
    env->CP0_Status = T0 | (1 << CP0St_IE);
2277
    CALL_FROM_TB1(cpu_mips_update_irq, env);
2278
    RETURN();
2279
}
2280

    
2281
void op_trap (void)
2282
{
2283
    if (T0) {
2284
        CALL_FROM_TB1(do_raise_exception, EXCP_TRAP);
2285
    }
2286
    RETURN();
2287
}
2288

    
2289
void op_debug (void)
2290
{
2291
    CALL_FROM_TB1(do_raise_exception, EXCP_DEBUG);
2292
    RETURN();
2293
}
2294

    
2295
void op_set_lladdr (void)
2296
{
2297
    env->CP0_LLAddr = T2;
2298
    RETURN();
2299
}
2300

    
2301
void debug_pre_eret (void);
2302
void debug_post_eret (void);
2303
void op_eret (void)
2304
{
2305
    if (loglevel & CPU_LOG_EXEC)
2306
        CALL_FROM_TB0(debug_pre_eret);
2307
    if (env->CP0_Status & (1 << CP0St_ERL)) {
2308
        env->PC = env->CP0_ErrorEPC;
2309
        env->CP0_Status &= ~(1 << CP0St_ERL);
2310
    } else {
2311
        env->PC = env->CP0_EPC;
2312
        env->CP0_Status &= ~(1 << CP0St_EXL);
2313
    }
2314
    if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
2315
        !(env->CP0_Status & (1 << CP0St_ERL)) &&
2316
        !(env->hflags & MIPS_HFLAG_DM) &&
2317
        (env->CP0_Status & (1 << CP0St_UM)))
2318
        env->hflags |= MIPS_HFLAG_UM;
2319
#ifdef TARGET_MIPS64
2320
    if ((env->hflags & MIPS_HFLAG_UM) &&
2321
        !(env->CP0_Status & (1 << CP0St_PX)) &&
2322
        !(env->CP0_Status & (1 << CP0St_UX)))
2323
        env->hflags &= ~MIPS_HFLAG_64;
2324
#endif
2325
    if (loglevel & CPU_LOG_EXEC)
2326
        CALL_FROM_TB0(debug_post_eret);
2327
    env->CP0_LLAddr = 1;
2328
    RETURN();
2329
}
2330

    
2331
void op_deret (void)
2332
{
2333
    if (loglevel & CPU_LOG_EXEC)
2334
        CALL_FROM_TB0(debug_pre_eret);
2335
    env->PC = env->CP0_DEPC;
2336
    env->hflags |= MIPS_HFLAG_DM;
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
#ifdef TARGET_MIPS64
2343
    if ((env->hflags & MIPS_HFLAG_UM) &&
2344
        !(env->CP0_Status & (1 << CP0St_PX)) &&
2345
        !(env->CP0_Status & (1 << CP0St_UX)))
2346
        env->hflags &= ~MIPS_HFLAG_64;
2347
#endif
2348
    if (loglevel & CPU_LOG_EXEC)
2349
        CALL_FROM_TB0(debug_post_eret);
2350
    env->CP0_LLAddr = 1;
2351
    RETURN();
2352
}
2353

    
2354
void op_rdhwr_cpunum(void)
2355
{
2356
    if (!(env->hflags & MIPS_HFLAG_UM) ||
2357
        (env->CP0_HWREna & (1 << 0)) ||
2358
        (env->CP0_Status & (1 << CP0St_CU0)))
2359
        T0 = env->CP0_EBase & 0x3ff;
2360
    else
2361
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
2362
    RETURN();
2363
}
2364

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

    
2376
void op_rdhwr_cc(void)
2377
{
2378
    if (!(env->hflags & MIPS_HFLAG_UM) ||
2379
        (env->CP0_HWREna & (1 << 2)) ||
2380
        (env->CP0_Status & (1 << CP0St_CU0)))
2381
        T0 = env->CP0_Count;
2382
    else
2383
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
2384
    RETURN();
2385
}
2386

    
2387
void op_rdhwr_ccres(void)
2388
{
2389
    if (!(env->hflags & MIPS_HFLAG_UM) ||
2390
        (env->CP0_HWREna & (1 << 3)) ||
2391
        (env->CP0_Status & (1 << CP0St_CU0)))
2392
        T0 = env->CCRes;
2393
    else
2394
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
2395
    RETURN();
2396
}
2397

    
2398
void op_save_state (void)
2399
{
2400
    env->hflags = PARAM1;
2401
    RETURN();
2402
}
2403

    
2404
void op_save_pc (void)
2405
{
2406
    env->PC = PARAM1;
2407
    RETURN();
2408
}
2409

    
2410
#ifdef TARGET_MIPS64
2411
void op_save_pc64 (void)
2412
{
2413
    env->PC = ((uint64_t)PARAM1 << 32) | (uint32_t)PARAM2;
2414
    RETURN();
2415
}
2416
#endif
2417

    
2418
void op_interrupt_restart (void)
2419
{
2420
    if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
2421
        !(env->CP0_Status & (1 << CP0St_ERL)) &&
2422
        !(env->hflags & MIPS_HFLAG_DM) &&
2423
        (env->CP0_Status & (1 << CP0St_IE)) &&
2424
        (env->CP0_Status & env->CP0_Cause & CP0Ca_IP_mask)) {
2425
        env->CP0_Cause &= ~(0x1f << CP0Ca_EC);
2426
        CALL_FROM_TB1(do_raise_exception, EXCP_EXT_INTERRUPT);
2427
    }
2428
    RETURN();
2429
}
2430

    
2431
void op_raise_exception (void)
2432
{
2433
    CALL_FROM_TB1(do_raise_exception, PARAM1);
2434
    RETURN();
2435
}
2436

    
2437
void op_raise_exception_err (void)
2438
{
2439
    CALL_FROM_TB2(do_raise_exception_err, PARAM1, PARAM2);
2440
    RETURN();
2441
}
2442

    
2443
void op_exit_tb (void)
2444
{
2445
    EXIT_TB();
2446
    RETURN();
2447
}
2448

    
2449
void op_wait (void)
2450
{
2451
    env->halted = 1;
2452
    CALL_FROM_TB1(do_raise_exception, EXCP_HLT);
2453
    RETURN();
2454
}
2455

    
2456
/* Bitfield operations. */
2457
void op_ext(void)
2458
{
2459
    unsigned int pos = PARAM1;
2460
    unsigned int size = PARAM2;
2461

    
2462
    T0 = ((uint32_t)T1 >> pos) & ((size < 32) ? ((1 << size) - 1) : ~0);
2463
    RETURN();
2464
}
2465

    
2466
void op_ins(void)
2467
{
2468
    unsigned int pos = PARAM1;
2469
    unsigned int size = PARAM2;
2470
    target_ulong mask = ((size < 32) ? ((1 << size) - 1) : ~0) << pos;
2471

    
2472
    T0 = (T0 & ~mask) | (((uint32_t)T1 << pos) & mask);
2473
    RETURN();
2474
}
2475

    
2476
void op_wsbh(void)
2477
{
2478
    T0 = ((T1 << 8) & ~0x00FF00FF) | ((T1 >> 8) & 0x00FF00FF);
2479
    RETURN();
2480
}
2481

    
2482
#ifdef TARGET_MIPS64
2483
void op_dext(void)
2484
{
2485
    unsigned int pos = PARAM1;
2486
    unsigned int size = PARAM2;
2487

    
2488
    T0 = (T1 >> pos) & ((size < 32) ? ((1 << size) - 1) : ~0);
2489
    RETURN();
2490
}
2491

    
2492
void op_dins(void)
2493
{
2494
    unsigned int pos = PARAM1;
2495
    unsigned int size = PARAM2;
2496
    target_ulong mask = ((size < 32) ? ((1 << size) - 1) : ~0) << pos;
2497

    
2498
    T0 = (T0 & ~mask) | ((T1 << pos) & mask);
2499
    RETURN();
2500
}
2501

    
2502
void op_dsbh(void)
2503
{
2504
    T0 = ((T1 << 8) & ~0x00FF00FF00FF00FFULL) | ((T1 >> 8) & 0x00FF00FF00FF00FFULL);
2505
    RETURN();
2506
}
2507

    
2508
void op_dshd(void)
2509
{
2510
    T0 = ((T1 << 16) & ~0x0000FFFF0000FFFFULL) | ((T1 >> 16) & 0x0000FFFF0000FFFFULL);
2511
    RETURN();
2512
}
2513
#endif
2514

    
2515
void op_seb(void)
2516
{
2517
    T0 = ((T1 & 0xFF) ^ 0x80) - 0x80;
2518
    RETURN();
2519
}
2520

    
2521
void op_seh(void)
2522
{
2523
    T0 = ((T1 & 0xFFFF) ^ 0x8000) - 0x8000;
2524
    RETURN();
2525
}