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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[PARAM1][env->current_tc];
258
    RETURN();
259
}
260

    
261
void op_store_HI (void)
262
{
263
    env->HI[PARAM1][env->current_tc] = T0;
264
    RETURN();
265
}
266

    
267
void op_load_LO (void)
268
{
269
    T0 = env->LO[PARAM1][env->current_tc];
270
    RETURN();
271
}
272

    
273
void op_store_LO (void)
274
{
275
    env->LO[PARAM1][env->current_tc] = 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->hflags & MIPS_HFLAG_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[0][env->current_tc] = (int32_t)((int64_t)(int32_t)T0 / (int32_t)T1);
367
        env->HI[0][env->current_tc] = (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[0][env->current_tc] = (int32_t)((uint32_t)T0 / (uint32_t)T1);
377
        env->HI[0][env->current_tc] = (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[0][env->current_tc] = T0 / T1;
446
        env->HI[0][env->current_tc] = 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[0][env->current_tc] << 32) |
818
            ((uint64_t)(uint32_t)env->LO[0][env->current_tc]);
819
}
820

    
821
static inline void set_HILO (uint64_t HILO)
822
{
823
    env->LO[0][env->current_tc] = (int32_t)(HILO & 0xFFFFFFFF);
824
    env->HI[0][env->current_tc] = (int32_t)(HILO >> 32);
825
}
826

    
827
void op_mult (void)
828
{
829
    set_HILO((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
830
    RETURN();
831
}
832

    
833
void op_multu (void)
834
{
835
    set_HILO((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
836
    RETURN();
837
}
838

    
839
void op_madd (void)
840
{
841
    int64_t tmp;
842

    
843
    tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
844
    set_HILO((int64_t)get_HILO() + tmp);
845
    RETURN();
846
}
847

    
848
void op_maddu (void)
849
{
850
    uint64_t tmp;
851

    
852
    tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
853
    set_HILO(get_HILO() + tmp);
854
    RETURN();
855
}
856

    
857
void op_msub (void)
858
{
859
    int64_t tmp;
860

    
861
    tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
862
    set_HILO((int64_t)get_HILO() - tmp);
863
    RETURN();
864
}
865

    
866
void op_msubu (void)
867
{
868
    uint64_t tmp;
869

    
870
    tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
871
    set_HILO(get_HILO() - tmp);
872
    RETURN();
873
}
874
#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
875

    
876
#ifdef TARGET_MIPS64
877
void op_dmult (void)
878
{
879
    CALL_FROM_TB4(muls64, &(env->HI[0][env->current_tc]), &(env->LO[0][env->current_tc]), T0, T1);
880
    RETURN();
881
}
882

    
883
void op_dmultu (void)
884
{
885
    CALL_FROM_TB4(mulu64, &(env->HI[0][env->current_tc]), &(env->LO[0][env->current_tc]), T0, T1);
886
    RETURN();
887
}
888
#endif
889

    
890
/* Conditional moves */
891
void op_movn (void)
892
{
893
    if (T1 != 0)
894
        env->gpr[PARAM1][env->current_tc] = T0;
895
    RETURN();
896
}
897

    
898
void op_movz (void)
899
{
900
    if (T1 == 0)
901
        env->gpr[PARAM1][env->current_tc] = T0;
902
    RETURN();
903
}
904

    
905
void op_movf (void)
906
{
907
    if (!(env->fpu->fcr31 & PARAM1))
908
        T0 = T1;
909
    RETURN();
910
}
911

    
912
void op_movt (void)
913
{
914
    if (env->fpu->fcr31 & PARAM1)
915
        T0 = T1;
916
    RETURN();
917
}
918

    
919
/* Tests */
920
#define OP_COND(name, cond) \
921
void glue(op_, name) (void) \
922
{                           \
923
    if (cond) {             \
924
        T0 = 1;             \
925
    } else {                \
926
        T0 = 0;             \
927
    }                       \
928
    RETURN();               \
929
}
930

    
931
OP_COND(eq, T0 == T1);
932
OP_COND(ne, T0 != T1);
933
OP_COND(ge, (target_long)T0 >= (target_long)T1);
934
OP_COND(geu, T0 >= T1);
935
OP_COND(lt, (target_long)T0 < (target_long)T1);
936
OP_COND(ltu, T0 < T1);
937
OP_COND(gez, (target_long)T0 >= 0);
938
OP_COND(gtz, (target_long)T0 > 0);
939
OP_COND(lez, (target_long)T0 <= 0);
940
OP_COND(ltz, (target_long)T0 < 0);
941

    
942
/* Branches */
943
void OPPROTO op_goto_tb0(void)
944
{
945
    GOTO_TB(op_goto_tb0, PARAM1, 0);
946
    RETURN();
947
}
948

    
949
void OPPROTO op_goto_tb1(void)
950
{
951
    GOTO_TB(op_goto_tb1, PARAM1, 1);
952
    RETURN();
953
}
954

    
955
/* Branch to register */
956
void op_save_breg_target (void)
957
{
958
    env->btarget = T2;
959
    RETURN();
960
}
961

    
962
void op_restore_breg_target (void)
963
{
964
    T2 = env->btarget;
965
    RETURN();
966
}
967

    
968
void op_breg (void)
969
{
970
    env->PC[env->current_tc] = T2;
971
    RETURN();
972
}
973

    
974
void op_save_btarget (void)
975
{
976
    env->btarget = PARAM1;
977
    RETURN();
978
}
979

    
980
#ifdef TARGET_MIPS64
981
void op_save_btarget64 (void)
982
{
983
    env->btarget = ((uint64_t)PARAM1 << 32) | (uint32_t)PARAM2;
984
    RETURN();
985
}
986
#endif
987

    
988
/* Conditional branch */
989
void op_set_bcond (void)
990
{
991
    T2 = T0;
992
    RETURN();
993
}
994

    
995
void op_save_bcond (void)
996
{
997
    env->bcond = T2;
998
    RETURN();
999
}
1000

    
1001
void op_restore_bcond (void)
1002
{
1003
    T2 = env->bcond;
1004
    RETURN();
1005
}
1006

    
1007
void op_jnz_T2 (void)
1008
{
1009
    if (T2)
1010
        GOTO_LABEL_PARAM(1);
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_mvpcontrol (void)
1022
{
1023
    T0 = env->mvp->CP0_MVPControl;
1024
    RETURN();
1025
}
1026

    
1027
void op_mfc0_mvpconf0 (void)
1028
{
1029
    T0 = env->mvp->CP0_MVPConf0;
1030
    RETURN();
1031
}
1032

    
1033
void op_mfc0_mvpconf1 (void)
1034
{
1035
    T0 = env->mvp->CP0_MVPConf1;
1036
    RETURN();
1037
}
1038

    
1039
void op_mfc0_random (void)
1040
{
1041
    CALL_FROM_TB0(do_mfc0_random);
1042
    RETURN();
1043
}
1044

    
1045
void op_mfc0_vpecontrol (void)
1046
{
1047
    T0 = env->CP0_VPEControl;
1048
    RETURN();
1049
}
1050

    
1051
void op_mfc0_vpeconf0 (void)
1052
{
1053
    T0 = env->CP0_VPEConf0;
1054
    RETURN();
1055
}
1056

    
1057
void op_mfc0_vpeconf1 (void)
1058
{
1059
    T0 = env->CP0_VPEConf1;
1060
    RETURN();
1061
}
1062

    
1063
void op_mfc0_yqmask (void)
1064
{
1065
    T0 = env->CP0_YQMask;
1066
    RETURN();
1067
}
1068

    
1069
void op_mfc0_vpeschedule (void)
1070
{
1071
    T0 = env->CP0_VPESchedule;
1072
    RETURN();
1073
}
1074

    
1075
void op_mfc0_vpeschefback (void)
1076
{
1077
    T0 = env->CP0_VPEScheFBack;
1078
    RETURN();
1079
}
1080

    
1081
void op_mfc0_vpeopt (void)
1082
{
1083
    T0 = env->CP0_VPEOpt;
1084
    RETURN();
1085
}
1086

    
1087
void op_mfc0_entrylo0 (void)
1088
{
1089
    T0 = (int32_t)env->CP0_EntryLo0;
1090
    RETURN();
1091
}
1092

    
1093
void op_mfc0_tcstatus (void)
1094
{
1095
    T0 = env->CP0_TCStatus[env->current_tc];
1096
    RETURN();
1097
}
1098

    
1099
void op_mftc0_tcstatus(void)
1100
{
1101
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1102

    
1103
    T0 = env->CP0_TCStatus[other_tc];
1104
    RETURN();
1105
}
1106

    
1107
void op_mfc0_tcbind (void)
1108
{
1109
    T0 = env->CP0_TCBind[env->current_tc];
1110
    RETURN();
1111
}
1112

    
1113
void op_mftc0_tcbind(void)
1114
{
1115
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1116

    
1117
    T0 = env->CP0_TCBind[other_tc];
1118
    RETURN();
1119
}
1120

    
1121
void op_mfc0_tcrestart (void)
1122
{
1123
    T0 = env->PC[env->current_tc];
1124
    RETURN();
1125
}
1126

    
1127
void op_mftc0_tcrestart(void)
1128
{
1129
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1130

    
1131
    T0 = env->PC[other_tc];
1132
    RETURN();
1133
}
1134

    
1135
void op_mfc0_tchalt (void)
1136
{
1137
    T0 = env->CP0_TCHalt[env->current_tc];
1138
    RETURN();
1139
}
1140

    
1141
void op_mftc0_tchalt(void)
1142
{
1143
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1144

    
1145
    T0 = env->CP0_TCHalt[other_tc];
1146
    RETURN();
1147
}
1148

    
1149
void op_mfc0_tccontext (void)
1150
{
1151
    T0 = env->CP0_TCContext[env->current_tc];
1152
    RETURN();
1153
}
1154

    
1155
void op_mftc0_tccontext(void)
1156
{
1157
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1158

    
1159
    T0 = env->CP0_TCContext[other_tc];
1160
    RETURN();
1161
}
1162

    
1163
void op_mfc0_tcschedule (void)
1164
{
1165
    T0 = env->CP0_TCSchedule[env->current_tc];
1166
    RETURN();
1167
}
1168

    
1169
void op_mftc0_tcschedule(void)
1170
{
1171
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1172

    
1173
    T0 = env->CP0_TCSchedule[other_tc];
1174
    RETURN();
1175
}
1176

    
1177
void op_mfc0_tcschefback (void)
1178
{
1179
    T0 = env->CP0_TCScheFBack[env->current_tc];
1180
    RETURN();
1181
}
1182

    
1183
void op_mftc0_tcschefback(void)
1184
{
1185
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1186

    
1187
    T0 = env->CP0_TCScheFBack[other_tc];
1188
    RETURN();
1189
}
1190

    
1191
void op_mfc0_entrylo1 (void)
1192
{
1193
    T0 = (int32_t)env->CP0_EntryLo1;
1194
    RETURN();
1195
}
1196

    
1197
void op_mfc0_context (void)
1198
{
1199
    T0 = (int32_t)env->CP0_Context;
1200
    RETURN();
1201
}
1202

    
1203
void op_mfc0_pagemask (void)
1204
{
1205
    T0 = env->CP0_PageMask;
1206
    RETURN();
1207
}
1208

    
1209
void op_mfc0_pagegrain (void)
1210
{
1211
    T0 = env->CP0_PageGrain;
1212
    RETURN();
1213
}
1214

    
1215
void op_mfc0_wired (void)
1216
{
1217
    T0 = env->CP0_Wired;
1218
    RETURN();
1219
}
1220

    
1221
void op_mfc0_srsconf0 (void)
1222
{
1223
    T0 = env->CP0_SRSConf0;
1224
    RETURN();
1225
}
1226

    
1227
void op_mfc0_srsconf1 (void)
1228
{
1229
    T0 = env->CP0_SRSConf1;
1230
    RETURN();
1231
}
1232

    
1233
void op_mfc0_srsconf2 (void)
1234
{
1235
    T0 = env->CP0_SRSConf2;
1236
    RETURN();
1237
}
1238

    
1239
void op_mfc0_srsconf3 (void)
1240
{
1241
    T0 = env->CP0_SRSConf3;
1242
    RETURN();
1243
}
1244

    
1245
void op_mfc0_srsconf4 (void)
1246
{
1247
    T0 = env->CP0_SRSConf4;
1248
    RETURN();
1249
}
1250

    
1251
void op_mfc0_hwrena (void)
1252
{
1253
    T0 = env->CP0_HWREna;
1254
    RETURN();
1255
}
1256

    
1257
void op_mfc0_badvaddr (void)
1258
{
1259
    T0 = (int32_t)env->CP0_BadVAddr;
1260
    RETURN();
1261
}
1262

    
1263
void op_mfc0_count (void)
1264
{
1265
    CALL_FROM_TB0(do_mfc0_count);
1266
    RETURN();
1267
}
1268

    
1269
void op_mfc0_entryhi (void)
1270
{
1271
    T0 = (int32_t)env->CP0_EntryHi;
1272
    RETURN();
1273
}
1274

    
1275
void op_mftc0_entryhi(void)
1276
{
1277
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1278

    
1279
    T0 = (env->CP0_EntryHi & ~0xff) | (env->CP0_TCStatus[other_tc] & 0xff);
1280
    RETURN();
1281
}
1282

    
1283
void op_mfc0_compare (void)
1284
{
1285
    T0 = env->CP0_Compare;
1286
    RETURN();
1287
}
1288

    
1289
void op_mfc0_status (void)
1290
{
1291
    T0 = env->CP0_Status;
1292
    RETURN();
1293
}
1294

    
1295
void op_mftc0_status(void)
1296
{
1297
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1298
    uint32_t tcstatus = env->CP0_TCStatus[other_tc];
1299

    
1300
    T0 = env->CP0_Status & ~0xf1000018;
1301
    T0 |= tcstatus & (0xf << CP0TCSt_TCU0);
1302
    T0 |= (tcstatus & (1 << CP0TCSt_TMX)) >> (CP0TCSt_TMX - CP0St_MX);
1303
    T0 |= (tcstatus & (0x3 << CP0TCSt_TKSU)) >> (CP0TCSt_TKSU - CP0St_R0);
1304
    RETURN();
1305
}
1306

    
1307
void op_mfc0_intctl (void)
1308
{
1309
    T0 = env->CP0_IntCtl;
1310
    RETURN();
1311
}
1312

    
1313
void op_mfc0_srsctl (void)
1314
{
1315
    T0 = env->CP0_SRSCtl;
1316
    RETURN();
1317
}
1318

    
1319
void op_mfc0_srsmap (void)
1320
{
1321
    T0 = env->CP0_SRSMap;
1322
    RETURN();
1323
}
1324

    
1325
void op_mfc0_cause (void)
1326
{
1327
    T0 = env->CP0_Cause;
1328
    RETURN();
1329
}
1330

    
1331
void op_mfc0_epc (void)
1332
{
1333
    T0 = (int32_t)env->CP0_EPC;
1334
    RETURN();
1335
}
1336

    
1337
void op_mfc0_prid (void)
1338
{
1339
    T0 = env->CP0_PRid;
1340
    RETURN();
1341
}
1342

    
1343
void op_mfc0_ebase (void)
1344
{
1345
    T0 = env->CP0_EBase;
1346
    RETURN();
1347
}
1348

    
1349
void op_mfc0_config0 (void)
1350
{
1351
    T0 = env->CP0_Config0;
1352
    RETURN();
1353
}
1354

    
1355
void op_mfc0_config1 (void)
1356
{
1357
    T0 = env->CP0_Config1;
1358
    RETURN();
1359
}
1360

    
1361
void op_mfc0_config2 (void)
1362
{
1363
    T0 = env->CP0_Config2;
1364
    RETURN();
1365
}
1366

    
1367
void op_mfc0_config3 (void)
1368
{
1369
    T0 = env->CP0_Config3;
1370
    RETURN();
1371
}
1372

    
1373
void op_mfc0_config6 (void)
1374
{
1375
    T0 = env->CP0_Config6;
1376
    RETURN();
1377
}
1378

    
1379
void op_mfc0_config7 (void)
1380
{
1381
    T0 = env->CP0_Config7;
1382
    RETURN();
1383
}
1384

    
1385
void op_mfc0_lladdr (void)
1386
{
1387
    T0 = (int32_t)env->CP0_LLAddr >> 4;
1388
    RETURN();
1389
}
1390

    
1391
void op_mfc0_watchlo (void)
1392
{
1393
    T0 = (int32_t)env->CP0_WatchLo[PARAM1];
1394
    RETURN();
1395
}
1396

    
1397
void op_mfc0_watchhi (void)
1398
{
1399
    T0 = env->CP0_WatchHi[PARAM1];
1400
    RETURN();
1401
}
1402

    
1403
void op_mfc0_xcontext (void)
1404
{
1405
    T0 = (int32_t)env->CP0_XContext;
1406
    RETURN();
1407
}
1408

    
1409
void op_mfc0_framemask (void)
1410
{
1411
    T0 = env->CP0_Framemask;
1412
    RETURN();
1413
}
1414

    
1415
void op_mfc0_debug (void)
1416
{
1417
    T0 = env->CP0_Debug;
1418
    if (env->hflags & MIPS_HFLAG_DM)
1419
        T0 |= 1 << CP0DB_DM;
1420
    RETURN();
1421
}
1422

    
1423
void op_mftc0_debug(void)
1424
{
1425
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1426

    
1427
    /* XXX: Might be wrong, check with EJTAG spec. */
1428
    T0 = (env->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1429
         (env->CP0_Debug_tcstatus[other_tc] &
1430
          ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1431
    RETURN();
1432
}
1433

    
1434
void op_mfc0_depc (void)
1435
{
1436
    T0 = (int32_t)env->CP0_DEPC;
1437
    RETURN();
1438
}
1439

    
1440
void op_mfc0_performance0 (void)
1441
{
1442
    T0 = env->CP0_Performance0;
1443
    RETURN();
1444
}
1445

    
1446
void op_mfc0_taglo (void)
1447
{
1448
    T0 = env->CP0_TagLo;
1449
    RETURN();
1450
}
1451

    
1452
void op_mfc0_datalo (void)
1453
{
1454
    T0 = env->CP0_DataLo;
1455
    RETURN();
1456
}
1457

    
1458
void op_mfc0_taghi (void)
1459
{
1460
    T0 = env->CP0_TagHi;
1461
    RETURN();
1462
}
1463

    
1464
void op_mfc0_datahi (void)
1465
{
1466
    T0 = env->CP0_DataHi;
1467
    RETURN();
1468
}
1469

    
1470
void op_mfc0_errorepc (void)
1471
{
1472
    T0 = (int32_t)env->CP0_ErrorEPC;
1473
    RETURN();
1474
}
1475

    
1476
void op_mfc0_desave (void)
1477
{
1478
    T0 = env->CP0_DESAVE;
1479
    RETURN();
1480
}
1481

    
1482
void op_mtc0_index (void)
1483
{
1484
    env->CP0_Index = (env->CP0_Index & 0x80000000) | (T0 % env->tlb->nb_tlb);
1485
    RETURN();
1486
}
1487

    
1488
void op_mtc0_mvpcontrol (void)
1489
{
1490
    uint32_t mask = 0;
1491
    uint32_t newval;
1492

    
1493
    if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))
1494
        mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) |
1495
                (1 << CP0MVPCo_EVP);
1496
    if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1497
        mask |= (1 << CP0MVPCo_STLB);
1498
    newval = (env->mvp->CP0_MVPControl & ~mask) | (T0 & mask);
1499

    
1500
    // TODO: Enable/disable shared TLB, enable/disable VPEs.
1501

    
1502
    env->mvp->CP0_MVPControl = newval;
1503
    RETURN();
1504
}
1505

    
1506
void op_mtc0_vpecontrol (void)
1507
{
1508
    uint32_t mask;
1509
    uint32_t newval;
1510

    
1511
    mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
1512
           (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
1513
    newval = (env->CP0_VPEControl & ~mask) | (T0 & mask);
1514

    
1515
    /* Yield scheduler intercept not implemented. */
1516
    /* Gating storage scheduler intercept not implemented. */
1517

    
1518
    // TODO: Enable/disable TCs.
1519

    
1520
    env->CP0_VPEControl = newval;
1521
    RETURN();
1522
}
1523

    
1524
void op_mtc0_vpeconf0 (void)
1525
{
1526
    uint32_t mask = 0;
1527
    uint32_t newval;
1528

    
1529
    if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) {
1530
        if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))
1531
            mask |= (0xff << CP0VPEC0_XTC);
1532
        mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1533
    }
1534
    newval = (env->CP0_VPEConf0 & ~mask) | (T0 & mask);
1535

    
1536
    // TODO: TC exclusive handling due to ERL/EXL.
1537

    
1538
    env->CP0_VPEConf0 = newval;
1539
    RETURN();
1540
}
1541

    
1542
void op_mtc0_vpeconf1 (void)
1543
{
1544
    uint32_t mask = 0;
1545
    uint32_t newval;
1546

    
1547
    if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1548
        mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) |
1549
                (0xff << CP0VPEC1_NCP1);
1550
    newval = (env->CP0_VPEConf1 & ~mask) | (T0 & mask);
1551

    
1552
    /* UDI not implemented. */
1553
    /* CP2 not implemented. */
1554

    
1555
    // TODO: Handle FPU (CP1) binding.
1556

    
1557
    env->CP0_VPEConf1 = newval;
1558
    RETURN();
1559
}
1560

    
1561
void op_mtc0_yqmask (void)
1562
{
1563
    /* Yield qualifier inputs not implemented. */
1564
    env->CP0_YQMask = 0x00000000;
1565
    RETURN();
1566
}
1567

    
1568
void op_mtc0_vpeschedule (void)
1569
{
1570
    env->CP0_VPESchedule = T0;
1571
    RETURN();
1572
}
1573

    
1574
void op_mtc0_vpeschefback (void)
1575
{
1576
    env->CP0_VPEScheFBack = T0;
1577
    RETURN();
1578
}
1579

    
1580
void op_mtc0_vpeopt (void)
1581
{
1582
    env->CP0_VPEOpt = T0 & 0x0000ffff;
1583
    RETURN();
1584
}
1585

    
1586
void op_mtc0_entrylo0 (void)
1587
{
1588
    /* Large physaddr not implemented */
1589
    /* 1k pages not implemented */
1590
    env->CP0_EntryLo0 = T0 & 0x3FFFFFFF;
1591
    RETURN();
1592
}
1593

    
1594
void op_mtc0_tcstatus (void)
1595
{
1596
    uint32_t mask = env->CP0_TCStatus_rw_bitmask;
1597
    uint32_t newval;
1598

    
1599
    newval = (env->CP0_TCStatus[env->current_tc] & ~mask) | (T0 & mask);
1600

    
1601
    // TODO: Sync with CP0_Status.
1602

    
1603
    env->CP0_TCStatus[env->current_tc] = newval;
1604
    RETURN();
1605
}
1606

    
1607
void op_mttc0_tcstatus (void)
1608
{
1609
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1610

    
1611
    // TODO: Sync with CP0_Status.
1612

    
1613
    env->CP0_TCStatus[other_tc] = T0;
1614
    RETURN();
1615
}
1616

    
1617
void op_mtc0_tcbind (void)
1618
{
1619
    uint32_t mask = (1 << CP0TCBd_TBE);
1620
    uint32_t newval;
1621

    
1622
    if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1623
        mask |= (1 << CP0TCBd_CurVPE);
1624
    newval = (env->CP0_TCBind[env->current_tc] & ~mask) | (T0 & mask);
1625
    env->CP0_TCBind[env->current_tc] = newval;
1626
    RETURN();
1627
}
1628

    
1629
void op_mttc0_tcbind (void)
1630
{
1631
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1632
    uint32_t mask = (1 << CP0TCBd_TBE);
1633
    uint32_t newval;
1634

    
1635
    if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1636
        mask |= (1 << CP0TCBd_CurVPE);
1637
    newval = (env->CP0_TCBind[other_tc] & ~mask) | (T0 & mask);
1638
    env->CP0_TCBind[other_tc] = newval;
1639
    RETURN();
1640
}
1641

    
1642
void op_mtc0_tcrestart (void)
1643
{
1644
    env->PC[env->current_tc] = T0;
1645
    env->CP0_TCStatus[env->current_tc] &= ~(1 << CP0TCSt_TDS);
1646
    env->CP0_LLAddr = 0ULL;
1647
    /* MIPS16 not implemented. */
1648
    RETURN();
1649
}
1650

    
1651
void op_mttc0_tcrestart (void)
1652
{
1653
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1654

    
1655
    env->PC[other_tc] = T0;
1656
    env->CP0_TCStatus[other_tc] &= ~(1 << CP0TCSt_TDS);
1657
    env->CP0_LLAddr = 0ULL;
1658
    /* MIPS16 not implemented. */
1659
    RETURN();
1660
}
1661

    
1662
void op_mtc0_tchalt (void)
1663
{
1664
    env->CP0_TCHalt[env->current_tc] = T0 & 0x1;
1665

    
1666
    // TODO: Halt TC / Restart (if allocated+active) TC.
1667

    
1668
    RETURN();
1669
}
1670

    
1671
void op_mttc0_tchalt (void)
1672
{
1673
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1674

    
1675
    // TODO: Halt TC / Restart (if allocated+active) TC.
1676

    
1677
    env->CP0_TCHalt[other_tc] = T0;
1678
    RETURN();
1679
}
1680

    
1681
void op_mtc0_tccontext (void)
1682
{
1683
    env->CP0_TCContext[env->current_tc] = T0;
1684
    RETURN();
1685
}
1686

    
1687
void op_mttc0_tccontext (void)
1688
{
1689
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1690

    
1691
    env->CP0_TCContext[other_tc] = T0;
1692
    RETURN();
1693
}
1694

    
1695
void op_mtc0_tcschedule (void)
1696
{
1697
    env->CP0_TCSchedule[env->current_tc] = T0;
1698
    RETURN();
1699
}
1700

    
1701
void op_mttc0_tcschedule (void)
1702
{
1703
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1704

    
1705
    env->CP0_TCSchedule[other_tc] = T0;
1706
    RETURN();
1707
}
1708

    
1709
void op_mtc0_tcschefback (void)
1710
{
1711
    env->CP0_TCScheFBack[env->current_tc] = T0;
1712
    RETURN();
1713
}
1714

    
1715
void op_mttc0_tcschefback (void)
1716
{
1717
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1718

    
1719
    env->CP0_TCScheFBack[other_tc] = T0;
1720
    RETURN();
1721
}
1722

    
1723
void op_mtc0_entrylo1 (void)
1724
{
1725
    /* Large physaddr not implemented */
1726
    /* 1k pages not implemented */
1727
    env->CP0_EntryLo1 = T0 & 0x3FFFFFFF;
1728
    RETURN();
1729
}
1730

    
1731
void op_mtc0_context (void)
1732
{
1733
    env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (T0 & ~0x007FFFFF);
1734
    RETURN();
1735
}
1736

    
1737
void op_mtc0_pagemask (void)
1738
{
1739
    /* 1k pages not implemented */
1740
    env->CP0_PageMask = T0 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1741
    RETURN();
1742
}
1743

    
1744
void op_mtc0_pagegrain (void)
1745
{
1746
    /* SmartMIPS not implemented */
1747
    /* Large physaddr not implemented */
1748
    /* 1k pages not implemented */
1749
    env->CP0_PageGrain = 0;
1750
    RETURN();
1751
}
1752

    
1753
void op_mtc0_wired (void)
1754
{
1755
    env->CP0_Wired = T0 % env->tlb->nb_tlb;
1756
    RETURN();
1757
}
1758

    
1759
void op_mtc0_srsconf0 (void)
1760
{
1761
    env->CP0_SRSConf0 |= T0 & env->CP0_SRSConf0_rw_bitmask;
1762
    RETURN();
1763
}
1764

    
1765
void op_mtc0_srsconf1 (void)
1766
{
1767
    env->CP0_SRSConf1 |= T0 & env->CP0_SRSConf1_rw_bitmask;
1768
    RETURN();
1769
}
1770

    
1771
void op_mtc0_srsconf2 (void)
1772
{
1773
    env->CP0_SRSConf2 |= T0 & env->CP0_SRSConf2_rw_bitmask;
1774
    RETURN();
1775
}
1776

    
1777
void op_mtc0_srsconf3 (void)
1778
{
1779
    env->CP0_SRSConf3 |= T0 & env->CP0_SRSConf3_rw_bitmask;
1780
    RETURN();
1781
}
1782

    
1783
void op_mtc0_srsconf4 (void)
1784
{
1785
    env->CP0_SRSConf4 |= T0 & env->CP0_SRSConf4_rw_bitmask;
1786
    RETURN();
1787
}
1788

    
1789
void op_mtc0_hwrena (void)
1790
{
1791
    env->CP0_HWREna = T0 & 0x0000000F;
1792
    RETURN();
1793
}
1794

    
1795
void op_mtc0_count (void)
1796
{
1797
    CALL_FROM_TB2(cpu_mips_store_count, env, T0);
1798
    RETURN();
1799
}
1800

    
1801
void op_mtc0_entryhi (void)
1802
{
1803
    target_ulong old, val;
1804

    
1805
    /* 1k pages not implemented */
1806
    val = T0 & ((TARGET_PAGE_MASK << 1) | 0xFF);
1807
#ifdef TARGET_MIPS64
1808
    val &= env->SEGMask;
1809
#endif
1810
    old = env->CP0_EntryHi;
1811
    env->CP0_EntryHi = val;
1812
    if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1813
        uint32_t tcst = env->CP0_TCStatus[env->current_tc] & ~0xff;
1814
        env->CP0_TCStatus[env->current_tc] = tcst | (val & 0xff);
1815
    }
1816
    /* If the ASID changes, flush qemu's TLB.  */
1817
    if ((old & 0xFF) != (val & 0xFF))
1818
        CALL_FROM_TB2(cpu_mips_tlb_flush, env, 1);
1819
    RETURN();
1820
}
1821

    
1822
void op_mttc0_entryhi(void)
1823
{
1824
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1825

    
1826
    env->CP0_EntryHi = (env->CP0_EntryHi & 0xff) | (T0 & ~0xff);
1827
    env->CP0_TCStatus[other_tc] = (env->CP0_TCStatus[other_tc] & ~0xff) | (T0 & 0xff);
1828
    RETURN();
1829
}
1830

    
1831
void op_mtc0_compare (void)
1832
{
1833
    CALL_FROM_TB2(cpu_mips_store_compare, env, T0);
1834
    RETURN();
1835
}
1836

    
1837
void op_mtc0_status (void)
1838
{
1839
    uint32_t val, old;
1840
    uint32_t mask = env->CP0_Status_rw_bitmask;
1841

    
1842
    val = T0 & mask;
1843
    old = env->CP0_Status;
1844
    if (!(val & (1 << CP0St_EXL)) &&
1845
        !(val & (1 << CP0St_ERL)) &&
1846
        !(env->hflags & MIPS_HFLAG_DM) &&
1847
        (val & (1 << CP0St_UM)))
1848
        env->hflags |= MIPS_HFLAG_UM;
1849
#ifdef TARGET_MIPS64
1850
    if  ((env->hflags & MIPS_HFLAG_UM) &&
1851
        !(val & (1 << CP0St_PX)) &&
1852
        !(val & (1 << CP0St_UX)))
1853
        env->hflags &= ~MIPS_HFLAG_64;
1854
#endif
1855
    if (val & (1 << CP0St_CU1))
1856
        env->hflags |= MIPS_HFLAG_FPU;
1857
    else
1858
        env->hflags &= ~MIPS_HFLAG_FPU;
1859
    if (val & (1 << CP0St_FR))
1860
        env->hflags |= MIPS_HFLAG_F64;
1861
    else
1862
        env->hflags &= ~MIPS_HFLAG_F64;
1863
    env->CP0_Status = (env->CP0_Status & ~mask) | val;
1864
    if (loglevel & CPU_LOG_EXEC)
1865
        CALL_FROM_TB2(do_mtc0_status_debug, old, val);
1866
    CALL_FROM_TB1(cpu_mips_update_irq, env);
1867
    RETURN();
1868
}
1869

    
1870
void op_mttc0_status(void)
1871
{
1872
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1873
    uint32_t tcstatus = env->CP0_TCStatus[other_tc];
1874

    
1875
    env->CP0_Status = T0 & ~0xf1000018;
1876
    tcstatus = (tcstatus & ~(0xf << CP0TCSt_TCU0)) | (T0 & (0xf << CP0St_CU0));
1877
    tcstatus = (tcstatus & ~(1 << CP0TCSt_TMX)) | ((T0 & (1 << CP0St_MX)) << (CP0TCSt_TMX - CP0St_MX));
1878
    tcstatus = (tcstatus & ~(0x3 << CP0TCSt_TKSU)) | ((T0 & (0x3 << CP0St_R0)) << (CP0TCSt_TKSU - CP0St_R0));
1879
    env->CP0_TCStatus[other_tc] = tcstatus;
1880
    RETURN();
1881
}
1882

    
1883
void op_mtc0_intctl (void)
1884
{
1885
    /* vectored interrupts not implemented, timer on int 7,
1886
       no performance counters. */
1887
    env->CP0_IntCtl |= T0 & 0x000002e0;
1888
    RETURN();
1889
}
1890

    
1891
void op_mtc0_srsctl (void)
1892
{
1893
    uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS);
1894
    env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (T0 & mask);
1895
    RETURN();
1896
}
1897

    
1898
void op_mtc0_srsmap (void)
1899
{
1900
    env->CP0_SRSMap = T0;
1901
    RETURN();
1902
}
1903

    
1904
void op_mtc0_cause (void)
1905
{
1906
    uint32_t mask = 0x00C00300;
1907

    
1908
    if (env->insn_flags & ISA_MIPS32R2)
1909
        mask |= 1 << CP0Ca_DC;
1910

    
1911
    env->CP0_Cause = (env->CP0_Cause & ~mask) | (T0 & mask);
1912

    
1913
    /* Handle the software interrupt as an hardware one, as they
1914
       are very similar */
1915
    if (T0 & CP0Ca_IP_mask) {
1916
        CALL_FROM_TB1(cpu_mips_update_irq, env);
1917
    }
1918
    RETURN();
1919
}
1920

    
1921
void op_mtc0_epc (void)
1922
{
1923
    env->CP0_EPC = T0;
1924
    RETURN();
1925
}
1926

    
1927
void op_mtc0_ebase (void)
1928
{
1929
    /* vectored interrupts not implemented */
1930
    /* Multi-CPU not implemented */
1931
    env->CP0_EBase = 0x80000000 | (T0 & 0x3FFFF000);
1932
    RETURN();
1933
}
1934

    
1935
void op_mtc0_config0 (void)
1936
{
1937
    env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (T0 & 0x00000007);
1938
    RETURN();
1939
}
1940

    
1941
void op_mtc0_config2 (void)
1942
{
1943
    /* tertiary/secondary caches not implemented */
1944
    env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1945
    RETURN();
1946
}
1947

    
1948
void op_mtc0_watchlo (void)
1949
{
1950
    /* Watch exceptions for instructions, data loads, data stores
1951
       not implemented. */
1952
    env->CP0_WatchLo[PARAM1] = (T0 & ~0x7);
1953
    RETURN();
1954
}
1955

    
1956
void op_mtc0_watchhi (void)
1957
{
1958
    env->CP0_WatchHi[PARAM1] = (T0 & 0x40FF0FF8);
1959
    env->CP0_WatchHi[PARAM1] &= ~(env->CP0_WatchHi[PARAM1] & T0 & 0x7);
1960
    RETURN();
1961
}
1962

    
1963
void op_mtc0_xcontext (void)
1964
{
1965
    target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
1966
    env->CP0_XContext = (env->CP0_XContext & mask) | (T0 & ~mask);
1967
    RETURN();
1968
}
1969

    
1970
void op_mtc0_framemask (void)
1971
{
1972
    env->CP0_Framemask = T0; /* XXX */
1973
    RETURN();
1974
}
1975

    
1976
void op_mtc0_debug (void)
1977
{
1978
    env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (T0 & 0x13300120);
1979
    if (T0 & (1 << CP0DB_DM))
1980
        env->hflags |= MIPS_HFLAG_DM;
1981
    else
1982
        env->hflags &= ~MIPS_HFLAG_DM;
1983
    RETURN();
1984
}
1985

    
1986
void op_mttc0_debug(void)
1987
{
1988
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1989

    
1990
    /* XXX: Might be wrong, check with EJTAG spec. */
1991
    env->CP0_Debug_tcstatus[other_tc] = T0 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
1992
    env->CP0_Debug = (env->CP0_Debug & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1993
                     (T0 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1994
    RETURN();
1995
}
1996

    
1997
void op_mtc0_depc (void)
1998
{
1999
    env->CP0_DEPC = T0;
2000
    RETURN();
2001
}
2002

    
2003
void op_mtc0_performance0 (void)
2004
{
2005
    env->CP0_Performance0 = T0; /* XXX */
2006
    RETURN();
2007
}
2008

    
2009
void op_mtc0_taglo (void)
2010
{
2011
    env->CP0_TagLo = T0 & 0xFFFFFCF6;
2012
    RETURN();
2013
}
2014

    
2015
void op_mtc0_datalo (void)
2016
{
2017
    env->CP0_DataLo = T0; /* XXX */
2018
    RETURN();
2019
}
2020

    
2021
void op_mtc0_taghi (void)
2022
{
2023
    env->CP0_TagHi = T0; /* XXX */
2024
    RETURN();
2025
}
2026

    
2027
void op_mtc0_datahi (void)
2028
{
2029
    env->CP0_DataHi = T0; /* XXX */
2030
    RETURN();
2031
}
2032

    
2033
void op_mtc0_errorepc (void)
2034
{
2035
    env->CP0_ErrorEPC = T0;
2036
    RETURN();
2037
}
2038

    
2039
void op_mtc0_desave (void)
2040
{
2041
    env->CP0_DESAVE = T0;
2042
    RETURN();
2043
}
2044

    
2045
#ifdef TARGET_MIPS64
2046
void op_dmfc0_yqmask (void)
2047
{
2048
    T0 = env->CP0_YQMask;
2049
    RETURN();
2050
}
2051

    
2052
void op_dmfc0_vpeschedule (void)
2053
{
2054
    T0 = env->CP0_VPESchedule;
2055
    RETURN();
2056
}
2057

    
2058
void op_dmfc0_vpeschefback (void)
2059
{
2060
    T0 = env->CP0_VPEScheFBack;
2061
    RETURN();
2062
}
2063

    
2064
void op_dmfc0_entrylo0 (void)
2065
{
2066
    T0 = env->CP0_EntryLo0;
2067
    RETURN();
2068
}
2069

    
2070
void op_dmfc0_tcrestart (void)
2071
{
2072
    T0 = env->PC[env->current_tc];
2073
    RETURN();
2074
}
2075

    
2076
void op_dmfc0_tchalt (void)
2077
{
2078
    T0 = env->CP0_TCHalt[env->current_tc];
2079
    RETURN();
2080
}
2081

    
2082
void op_dmfc0_tccontext (void)
2083
{
2084
    T0 = env->CP0_TCContext[env->current_tc];
2085
    RETURN();
2086
}
2087

    
2088
void op_dmfc0_tcschedule (void)
2089
{
2090
    T0 = env->CP0_TCSchedule[env->current_tc];
2091
    RETURN();
2092
}
2093

    
2094
void op_dmfc0_tcschefback (void)
2095
{
2096
    T0 = env->CP0_TCScheFBack[env->current_tc];
2097
    RETURN();
2098
}
2099

    
2100
void op_dmfc0_entrylo1 (void)
2101
{
2102
    T0 = env->CP0_EntryLo1;
2103
    RETURN();
2104
}
2105

    
2106
void op_dmfc0_context (void)
2107
{
2108
    T0 = env->CP0_Context;
2109
    RETURN();
2110
}
2111

    
2112
void op_dmfc0_badvaddr (void)
2113
{
2114
    T0 = env->CP0_BadVAddr;
2115
    RETURN();
2116
}
2117

    
2118
void op_dmfc0_entryhi (void)
2119
{
2120
    T0 = env->CP0_EntryHi;
2121
    RETURN();
2122
}
2123

    
2124
void op_dmfc0_epc (void)
2125
{
2126
    T0 = env->CP0_EPC;
2127
    RETURN();
2128
}
2129

    
2130
void op_dmfc0_lladdr (void)
2131
{
2132
    T0 = env->CP0_LLAddr >> 4;
2133
    RETURN();
2134
}
2135

    
2136
void op_dmfc0_watchlo (void)
2137
{
2138
    T0 = env->CP0_WatchLo[PARAM1];
2139
    RETURN();
2140
}
2141

    
2142
void op_dmfc0_xcontext (void)
2143
{
2144
    T0 = env->CP0_XContext;
2145
    RETURN();
2146
}
2147

    
2148
void op_dmfc0_depc (void)
2149
{
2150
    T0 = env->CP0_DEPC;
2151
    RETURN();
2152
}
2153

    
2154
void op_dmfc0_errorepc (void)
2155
{
2156
    T0 = env->CP0_ErrorEPC;
2157
    RETURN();
2158
}
2159
#endif /* TARGET_MIPS64 */
2160

    
2161
/* MIPS MT functions */
2162
void op_mftgpr(void)
2163
{
2164
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
2165

    
2166
    T0 = env->gpr[PARAM1][other_tc];
2167
    RETURN();
2168
}
2169

    
2170
void op_mftlo(void)
2171
{
2172
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
2173

    
2174
    T0 = env->LO[PARAM1][other_tc];
2175
    RETURN();
2176
}
2177

    
2178
void op_mfthi(void)
2179
{
2180
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
2181

    
2182
    T0 = env->HI[PARAM1][other_tc];
2183
    RETURN();
2184
}
2185

    
2186
void op_mftacx(void)
2187
{
2188
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
2189

    
2190
    T0 = env->ACX[PARAM1][other_tc];
2191
    RETURN();
2192
}
2193

    
2194
void op_mftdsp(void)
2195
{
2196
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
2197

    
2198
    T0 = env->DSPControl[other_tc];
2199
    RETURN();
2200
}
2201

    
2202
void op_mttgpr(void)
2203
{
2204
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
2205

    
2206
    T0 = env->gpr[PARAM1][other_tc];
2207
    RETURN();
2208
}
2209

    
2210
void op_mttlo(void)
2211
{
2212
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
2213

    
2214
    T0 = env->LO[PARAM1][other_tc];
2215
    RETURN();
2216
}
2217

    
2218
void op_mtthi(void)
2219
{
2220
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
2221

    
2222
    T0 = env->HI[PARAM1][other_tc];
2223
    RETURN();
2224
}
2225

    
2226
void op_mttacx(void)
2227
{
2228
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
2229

    
2230
    T0 = env->ACX[PARAM1][other_tc];
2231
    RETURN();
2232
}
2233

    
2234
void op_mttdsp(void)
2235
{
2236
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
2237

    
2238
    T0 = env->DSPControl[other_tc];
2239
    RETURN();
2240
}
2241

    
2242

    
2243
void op_dmt(void)
2244
{
2245
    // TODO
2246
    T0 = 0;
2247
    // rt = T0
2248
    RETURN();
2249
}
2250

    
2251
void op_emt(void)
2252
{
2253
    // TODO
2254
    T0 = 0;
2255
    // rt = T0
2256
    RETURN();
2257
}
2258

    
2259
void op_dvpe(void)
2260
{
2261
    // TODO
2262
    T0 = 0;
2263
    // rt = T0
2264
    RETURN();
2265
}
2266

    
2267
void op_evpe(void)
2268
{
2269
    // TODO
2270
    T0 = 0;
2271
    // rt = T0
2272
    RETURN();
2273
}
2274

    
2275
void op_fork(void)
2276
{
2277
    // T0 = rt, T1 = rs
2278
    T0 = 0;
2279
    // TODO: store to TC register
2280
    RETURN();
2281
}
2282

    
2283
void op_yield(void)
2284
{
2285
    if (T0 < 0) {
2286
        /* No scheduling policy implemented. */
2287
        if (T0 != -2) {
2288
            if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
2289
                env->CP0_TCStatus[env->current_tc] & (1 << CP0TCSt_DT)) {
2290
                env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
2291
                env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
2292
                CALL_FROM_TB1(do_raise_exception, EXCP_THREAD);
2293
            }
2294
        }
2295
    } else if (T0 == 0) {
2296
        if (0 /* TODO: TC underflow */) {
2297
            env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
2298
            CALL_FROM_TB1(do_raise_exception, EXCP_THREAD);
2299
        } else {
2300
            // TODO: Deallocate TC
2301
        }
2302
    } else if (T0 > 0) {
2303
        /* Yield qualifier inputs not implemented. */
2304
        env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
2305
        env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
2306
        CALL_FROM_TB1(do_raise_exception, EXCP_THREAD);
2307
    }
2308
    T0 = env->CP0_YQMask;
2309
    RETURN();
2310
}
2311

    
2312
/* CP1 functions */
2313
#if 0
2314
# define DEBUG_FPU_STATE() CALL_FROM_TB1(dump_fpu, env)
2315
#else
2316
# define DEBUG_FPU_STATE() do { } while(0)
2317
#endif
2318

    
2319
void op_cp0_enabled(void)
2320
{
2321
    if (!(env->CP0_Status & (1 << CP0St_CU0)) &&
2322
        (env->hflags & MIPS_HFLAG_UM)) {
2323
        CALL_FROM_TB2(do_raise_exception_err, EXCP_CpU, 0);
2324
    }
2325
    RETURN();
2326
}
2327

    
2328
void op_cfc1 (void)
2329
{
2330
    CALL_FROM_TB1(do_cfc1, PARAM1);
2331
    DEBUG_FPU_STATE();
2332
    RETURN();
2333
}
2334

    
2335
void op_ctc1 (void)
2336
{
2337
    CALL_FROM_TB1(do_ctc1, PARAM1);
2338
    DEBUG_FPU_STATE();
2339
    RETURN();
2340
}
2341

    
2342
void op_mfc1 (void)
2343
{
2344
    T0 = WT0;
2345
    DEBUG_FPU_STATE();
2346
    RETURN();
2347
}
2348

    
2349
void op_mtc1 (void)
2350
{
2351
    WT0 = T0;
2352
    DEBUG_FPU_STATE();
2353
    RETURN();
2354
}
2355

    
2356
void op_dmfc1 (void)
2357
{
2358
    T0 = DT0;
2359
    DEBUG_FPU_STATE();
2360
    RETURN();
2361
}
2362

    
2363
void op_dmtc1 (void)
2364
{
2365
    DT0 = T0;
2366
    DEBUG_FPU_STATE();
2367
    RETURN();
2368
}
2369

    
2370
void op_mfhc1 (void)
2371
{
2372
    T0 = WTH0;
2373
    DEBUG_FPU_STATE();
2374
    RETURN();
2375
}
2376

    
2377
void op_mthc1 (void)
2378
{
2379
    WTH0 = T0;
2380
    DEBUG_FPU_STATE();
2381
    RETURN();
2382
}
2383

    
2384
/* Float support.
2385
   Single precition routines have a "s" suffix, double precision a
2386
   "d" suffix, 32bit integer "w", 64bit integer "l", paired singe "ps",
2387
   paired single lowwer "pl", paired single upper "pu".  */
2388

    
2389
#define FLOAT_OP(name, p) void OPPROTO op_float_##name##_##p(void)
2390

    
2391
FLOAT_OP(cvtd, s)
2392
{
2393
    CALL_FROM_TB0(do_float_cvtd_s);
2394
    DEBUG_FPU_STATE();
2395
    RETURN();
2396
}
2397
FLOAT_OP(cvtd, w)
2398
{
2399
    CALL_FROM_TB0(do_float_cvtd_w);
2400
    DEBUG_FPU_STATE();
2401
    RETURN();
2402
}
2403
FLOAT_OP(cvtd, l)
2404
{
2405
    CALL_FROM_TB0(do_float_cvtd_l);
2406
    DEBUG_FPU_STATE();
2407
    RETURN();
2408
}
2409
FLOAT_OP(cvtl, d)
2410
{
2411
    CALL_FROM_TB0(do_float_cvtl_d);
2412
    DEBUG_FPU_STATE();
2413
    RETURN();
2414
}
2415
FLOAT_OP(cvtl, s)
2416
{
2417
    CALL_FROM_TB0(do_float_cvtl_s);
2418
    DEBUG_FPU_STATE();
2419
    RETURN();
2420
}
2421
FLOAT_OP(cvtps, s)
2422
{
2423
    WT2 = WT0;
2424
    WTH2 = WT1;
2425
    DEBUG_FPU_STATE();
2426
    RETURN();
2427
}
2428
FLOAT_OP(cvtps, pw)
2429
{
2430
    CALL_FROM_TB0(do_float_cvtps_pw);
2431
    DEBUG_FPU_STATE();
2432
    RETURN();
2433
}
2434
FLOAT_OP(cvtpw, ps)
2435
{
2436
    CALL_FROM_TB0(do_float_cvtpw_ps);
2437
    DEBUG_FPU_STATE();
2438
    RETURN();
2439
}
2440
FLOAT_OP(cvts, d)
2441
{
2442
    CALL_FROM_TB0(do_float_cvts_d);
2443
    DEBUG_FPU_STATE();
2444
    RETURN();
2445
}
2446
FLOAT_OP(cvts, w)
2447
{
2448
    CALL_FROM_TB0(do_float_cvts_w);
2449
    DEBUG_FPU_STATE();
2450
    RETURN();
2451
}
2452
FLOAT_OP(cvts, l)
2453
{
2454
    CALL_FROM_TB0(do_float_cvts_l);
2455
    DEBUG_FPU_STATE();
2456
    RETURN();
2457
}
2458
FLOAT_OP(cvts, pl)
2459
{
2460
    CALL_FROM_TB0(do_float_cvts_pl);
2461
    DEBUG_FPU_STATE();
2462
    RETURN();
2463
}
2464
FLOAT_OP(cvts, pu)
2465
{
2466
    CALL_FROM_TB0(do_float_cvts_pu);
2467
    DEBUG_FPU_STATE();
2468
    RETURN();
2469
}
2470
FLOAT_OP(cvtw, s)
2471
{
2472
    CALL_FROM_TB0(do_float_cvtw_s);
2473
    DEBUG_FPU_STATE();
2474
    RETURN();
2475
}
2476
FLOAT_OP(cvtw, d)
2477
{
2478
    CALL_FROM_TB0(do_float_cvtw_d);
2479
    DEBUG_FPU_STATE();
2480
    RETURN();
2481
}
2482

    
2483
FLOAT_OP(pll, ps)
2484
{
2485
    DT2 = ((uint64_t)WT0 << 32) | WT1;
2486
    DEBUG_FPU_STATE();
2487
    RETURN();
2488
}
2489
FLOAT_OP(plu, ps)
2490
{
2491
    DT2 = ((uint64_t)WT0 << 32) | WTH1;
2492
    DEBUG_FPU_STATE();
2493
    RETURN();
2494
}
2495
FLOAT_OP(pul, ps)
2496
{
2497
    DT2 = ((uint64_t)WTH0 << 32) | WT1;
2498
    DEBUG_FPU_STATE();
2499
    RETURN();
2500
}
2501
FLOAT_OP(puu, ps)
2502
{
2503
    DT2 = ((uint64_t)WTH0 << 32) | WTH1;
2504
    DEBUG_FPU_STATE();
2505
    RETURN();
2506
}
2507

    
2508
#define FLOAT_ROUNDOP(op, ttype, stype)                    \
2509
FLOAT_OP(op ## ttype, stype)                               \
2510
{                                                          \
2511
    CALL_FROM_TB0(do_float_ ## op ## ttype ## _ ## stype); \
2512
    DEBUG_FPU_STATE();                                     \
2513
    RETURN();                                              \
2514
}
2515

    
2516
FLOAT_ROUNDOP(round, l, d)
2517
FLOAT_ROUNDOP(round, l, s)
2518
FLOAT_ROUNDOP(round, w, d)
2519
FLOAT_ROUNDOP(round, w, s)
2520

    
2521
FLOAT_ROUNDOP(trunc, l, d)
2522
FLOAT_ROUNDOP(trunc, l, s)
2523
FLOAT_ROUNDOP(trunc, w, d)
2524
FLOAT_ROUNDOP(trunc, w, s)
2525

    
2526
FLOAT_ROUNDOP(ceil, l, d)
2527
FLOAT_ROUNDOP(ceil, l, s)
2528
FLOAT_ROUNDOP(ceil, w, d)
2529
FLOAT_ROUNDOP(ceil, w, s)
2530

    
2531
FLOAT_ROUNDOP(floor, l, d)
2532
FLOAT_ROUNDOP(floor, l, s)
2533
FLOAT_ROUNDOP(floor, w, d)
2534
FLOAT_ROUNDOP(floor, w, s)
2535
#undef FLOAR_ROUNDOP
2536

    
2537
FLOAT_OP(movf, d)
2538
{
2539
    if (!(env->fpu->fcr31 & PARAM1))
2540
        DT2 = DT0;
2541
    DEBUG_FPU_STATE();
2542
    RETURN();
2543
}
2544
FLOAT_OP(movf, s)
2545
{
2546
    if (!(env->fpu->fcr31 & PARAM1))
2547
        WT2 = WT0;
2548
    DEBUG_FPU_STATE();
2549
    RETURN();
2550
}
2551
FLOAT_OP(movf, ps)
2552
{
2553
    if (!(env->fpu->fcr31 & PARAM1)) {
2554
        WT2 = WT0;
2555
        WTH2 = WTH0;
2556
    }
2557
    DEBUG_FPU_STATE();
2558
    RETURN();
2559
}
2560
FLOAT_OP(movt, d)
2561
{
2562
    if (env->fpu->fcr31 & PARAM1)
2563
        DT2 = DT0;
2564
    DEBUG_FPU_STATE();
2565
    RETURN();
2566
}
2567
FLOAT_OP(movt, s)
2568
{
2569
    if (env->fpu->fcr31 & PARAM1)
2570
        WT2 = WT0;
2571
    DEBUG_FPU_STATE();
2572
    RETURN();
2573
}
2574
FLOAT_OP(movt, ps)
2575
{
2576
    if (env->fpu->fcr31 & PARAM1) {
2577
        WT2 = WT0;
2578
        WTH2 = WTH0;
2579
    }
2580
    DEBUG_FPU_STATE();
2581
    RETURN();
2582
}
2583
FLOAT_OP(movz, d)
2584
{
2585
    if (!T0)
2586
        DT2 = DT0;
2587
    DEBUG_FPU_STATE();
2588
    RETURN();
2589
}
2590
FLOAT_OP(movz, s)
2591
{
2592
    if (!T0)
2593
        WT2 = WT0;
2594
    DEBUG_FPU_STATE();
2595
    RETURN();
2596
}
2597
FLOAT_OP(movz, ps)
2598
{
2599
    if (!T0) {
2600
        WT2 = WT0;
2601
        WTH2 = WTH0;
2602
    }
2603
    DEBUG_FPU_STATE();
2604
    RETURN();
2605
}
2606
FLOAT_OP(movn, d)
2607
{
2608
    if (T0)
2609
        DT2 = DT0;
2610
    DEBUG_FPU_STATE();
2611
    RETURN();
2612
}
2613
FLOAT_OP(movn, s)
2614
{
2615
    if (T0)
2616
        WT2 = WT0;
2617
    DEBUG_FPU_STATE();
2618
    RETURN();
2619
}
2620
FLOAT_OP(movn, ps)
2621
{
2622
    if (T0) {
2623
        WT2 = WT0;
2624
        WTH2 = WTH0;
2625
    }
2626
    DEBUG_FPU_STATE();
2627
    RETURN();
2628
}
2629

    
2630
/* operations calling helpers, for s, d and ps */
2631
#define FLOAT_HOP(name) \
2632
FLOAT_OP(name, d)         \
2633
{                         \
2634
    CALL_FROM_TB0(do_float_ ## name ## _d);  \
2635
    DEBUG_FPU_STATE();    \
2636
    RETURN();             \
2637
}                         \
2638
FLOAT_OP(name, s)         \
2639
{                         \
2640
    CALL_FROM_TB0(do_float_ ## name ## _s);  \
2641
    DEBUG_FPU_STATE();    \
2642
    RETURN();             \
2643
}                         \
2644
FLOAT_OP(name, ps)        \
2645
{                         \
2646
    CALL_FROM_TB0(do_float_ ## name ## _ps); \
2647
    DEBUG_FPU_STATE();    \
2648
    RETURN();             \
2649
}
2650
FLOAT_HOP(add)
2651
FLOAT_HOP(sub)
2652
FLOAT_HOP(mul)
2653
FLOAT_HOP(div)
2654
FLOAT_HOP(recip2)
2655
FLOAT_HOP(rsqrt2)
2656
FLOAT_HOP(rsqrt1)
2657
FLOAT_HOP(recip1)
2658
#undef FLOAT_HOP
2659

    
2660
/* operations calling helpers, for s and d */
2661
#define FLOAT_HOP(name)   \
2662
FLOAT_OP(name, d)         \
2663
{                         \
2664
    CALL_FROM_TB0(do_float_ ## name ## _d);  \
2665
    DEBUG_FPU_STATE();    \
2666
    RETURN();             \
2667
}                         \
2668
FLOAT_OP(name, s)         \
2669
{                         \
2670
    CALL_FROM_TB0(do_float_ ## name ## _s);  \
2671
    DEBUG_FPU_STATE();    \
2672
    RETURN();             \
2673
}
2674
FLOAT_HOP(rsqrt)
2675
FLOAT_HOP(recip)
2676
#undef FLOAT_HOP
2677

    
2678
/* operations calling helpers, for ps */
2679
#define FLOAT_HOP(name)   \
2680
FLOAT_OP(name, ps)        \
2681
{                         \
2682
    CALL_FROM_TB0(do_float_ ## name ## _ps); \
2683
    DEBUG_FPU_STATE();    \
2684
    RETURN();             \
2685
}
2686
FLOAT_HOP(addr)
2687
FLOAT_HOP(mulr)
2688
#undef FLOAT_HOP
2689

    
2690
/* ternary operations */
2691
#define FLOAT_TERNOP(name1, name2) \
2692
FLOAT_OP(name1 ## name2, d)        \
2693
{                                  \
2694
    FDT0 = float64_ ## name1 (FDT0, FDT1, &env->fpu->fp_status);    \
2695
    FDT2 = float64_ ## name2 (FDT0, FDT2, &env->fpu->fp_status);    \
2696
    DEBUG_FPU_STATE();             \
2697
    RETURN();                      \
2698
}                                  \
2699
FLOAT_OP(name1 ## name2, s)        \
2700
{                                  \
2701
    FST0 = float32_ ## name1 (FST0, FST1, &env->fpu->fp_status);    \
2702
    FST2 = float32_ ## name2 (FST0, FST2, &env->fpu->fp_status);    \
2703
    DEBUG_FPU_STATE();             \
2704
    RETURN();                      \
2705
}                                  \
2706
FLOAT_OP(name1 ## name2, ps)       \
2707
{                                  \
2708
    FST0 = float32_ ## name1 (FST0, FST1, &env->fpu->fp_status);    \
2709
    FSTH0 = float32_ ## name1 (FSTH0, FSTH1, &env->fpu->fp_status); \
2710
    FST2 = float32_ ## name2 (FST0, FST2, &env->fpu->fp_status);    \
2711
    FSTH2 = float32_ ## name2 (FSTH0, FSTH2, &env->fpu->fp_status); \
2712
    DEBUG_FPU_STATE();             \
2713
    RETURN();                      \
2714
}
2715
FLOAT_TERNOP(mul, add)
2716
FLOAT_TERNOP(mul, sub)
2717
#undef FLOAT_TERNOP
2718

    
2719
/* negated ternary operations */
2720
#define FLOAT_NTERNOP(name1, name2) \
2721
FLOAT_OP(n ## name1 ## name2, d)    \
2722
{                                   \
2723
    FDT0 = float64_ ## name1 (FDT0, FDT1, &env->fpu->fp_status);    \
2724
    FDT2 = float64_ ## name2 (FDT0, FDT2, &env->fpu->fp_status);    \
2725
    FDT2 ^= 1ULL << 63;             \
2726
    DEBUG_FPU_STATE();              \
2727
    RETURN();                       \
2728
}                                   \
2729
FLOAT_OP(n ## name1 ## name2, s)    \
2730
{                                   \
2731
    FST0 = float32_ ## name1 (FST0, FST1, &env->fpu->fp_status);    \
2732
    FST2 = float32_ ## name2 (FST0, FST2, &env->fpu->fp_status);    \
2733
    FST2 ^= 1 << 31;                \
2734
    DEBUG_FPU_STATE();              \
2735
    RETURN();                       \
2736
}                                   \
2737
FLOAT_OP(n ## name1 ## name2, ps)   \
2738
{                                   \
2739
    FST0 = float32_ ## name1 (FST0, FST1, &env->fpu->fp_status);    \
2740
    FSTH0 = float32_ ## name1 (FSTH0, FSTH1, &env->fpu->fp_status); \
2741
    FST2 = float32_ ## name2 (FST0, FST2, &env->fpu->fp_status);    \
2742
    FSTH2 = float32_ ## name2 (FSTH0, FSTH2, &env->fpu->fp_status); \
2743
    FST2 ^= 1 << 31;                \
2744
    FSTH2 ^= 1 << 31;               \
2745
    DEBUG_FPU_STATE();              \
2746
    RETURN();                       \
2747
}
2748
FLOAT_NTERNOP(mul, add)
2749
FLOAT_NTERNOP(mul, sub)
2750
#undef FLOAT_NTERNOP
2751

    
2752
/* unary operations, modifying fp status  */
2753
#define FLOAT_UNOP(name)  \
2754
FLOAT_OP(name, d)         \
2755
{                         \
2756
    FDT2 = float64_ ## name(FDT0, &env->fpu->fp_status);   \
2757
    DEBUG_FPU_STATE();    \
2758
    RETURN();                      \
2759
}                         \
2760
FLOAT_OP(name, s)         \
2761
{                         \
2762
    FST2 = float32_ ## name(FST0, &env->fpu->fp_status);   \
2763
    DEBUG_FPU_STATE();    \
2764
    RETURN();             \
2765
}
2766
FLOAT_UNOP(sqrt)
2767
#undef FLOAT_UNOP
2768

    
2769
/* unary operations, not modifying fp status  */
2770
#define FLOAT_UNOP(name)  \
2771
FLOAT_OP(name, d)         \
2772
{                         \
2773
    FDT2 = float64_ ## name(FDT0);   \
2774
    DEBUG_FPU_STATE();    \
2775
    RETURN();             \
2776
}                         \
2777
FLOAT_OP(name, s)         \
2778
{                         \
2779
    FST2 = float32_ ## name(FST0);   \
2780
    DEBUG_FPU_STATE();    \
2781
    RETURN();             \
2782
}                         \
2783
FLOAT_OP(name, ps)        \
2784
{                         \
2785
    FST2 = float32_ ## name(FST0);   \
2786
    FSTH2 = float32_ ## name(FSTH0); \
2787
    DEBUG_FPU_STATE();    \
2788
    RETURN();             \
2789
}
2790
FLOAT_UNOP(abs)
2791
FLOAT_UNOP(chs)
2792
#undef FLOAT_UNOP
2793

    
2794
FLOAT_OP(mov, d)
2795
{
2796
    FDT2 = FDT0;
2797
    DEBUG_FPU_STATE();
2798
    RETURN();
2799
}
2800
FLOAT_OP(mov, s)
2801
{
2802
    FST2 = FST0;
2803
    DEBUG_FPU_STATE();
2804
    RETURN();
2805
}
2806
FLOAT_OP(mov, ps)
2807
{
2808
    FST2 = FST0;
2809
    FSTH2 = FSTH0;
2810
    DEBUG_FPU_STATE();
2811
    RETURN();
2812
}
2813
FLOAT_OP(alnv, ps)
2814
{
2815
    switch (T0 & 0x7) {
2816
    case 0:
2817
        FST2 = FST0;
2818
        FSTH2 = FSTH0;
2819
        break;
2820
    case 4:
2821
#ifdef TARGET_WORDS_BIGENDIAN
2822
        FSTH2 = FST0;
2823
        FST2 = FSTH1;
2824
#else
2825
        FSTH2 = FST1;
2826
        FST2 = FSTH0;
2827
#endif
2828
        break;
2829
    default: /* unpredictable */
2830
        break;
2831
    }
2832
    DEBUG_FPU_STATE();
2833
    RETURN();
2834
}
2835

    
2836
#ifdef CONFIG_SOFTFLOAT
2837
#define clear_invalid() do {                                \
2838
    int flags = get_float_exception_flags(&env->fpu->fp_status); \
2839
    flags &= ~float_flag_invalid;                           \
2840
    set_float_exception_flags(flags, &env->fpu->fp_status);      \
2841
} while(0)
2842
#else
2843
#define clear_invalid() do { } while(0)
2844
#endif
2845

    
2846
extern void dump_fpu_s(CPUState *env);
2847

    
2848
#define CMP_OP(fmt, op)                                \
2849
void OPPROTO op_cmp ## _ ## fmt ## _ ## op(void)       \
2850
{                                                      \
2851
    CALL_FROM_TB1(do_cmp ## _ ## fmt ## _ ## op, PARAM1); \
2852
    DEBUG_FPU_STATE();                                 \
2853
    RETURN();                                          \
2854
}                                                      \
2855
void OPPROTO op_cmpabs ## _ ## fmt ## _ ## op(void)    \
2856
{                                                      \
2857
    CALL_FROM_TB1(do_cmpabs ## _ ## fmt ## _ ## op, PARAM1); \
2858
    DEBUG_FPU_STATE();                                 \
2859
    RETURN();                                          \
2860
}
2861
#define CMP_OPS(op)   \
2862
CMP_OP(d, op)         \
2863
CMP_OP(s, op)         \
2864
CMP_OP(ps, op)
2865

    
2866
CMP_OPS(f)
2867
CMP_OPS(un)
2868
CMP_OPS(eq)
2869
CMP_OPS(ueq)
2870
CMP_OPS(olt)
2871
CMP_OPS(ult)
2872
CMP_OPS(ole)
2873
CMP_OPS(ule)
2874
CMP_OPS(sf)
2875
CMP_OPS(ngle)
2876
CMP_OPS(seq)
2877
CMP_OPS(ngl)
2878
CMP_OPS(lt)
2879
CMP_OPS(nge)
2880
CMP_OPS(le)
2881
CMP_OPS(ngt)
2882
#undef CMP_OPS
2883
#undef CMP_OP
2884

    
2885
void op_bc1f (void)
2886
{
2887
    T0 = !!(~GET_FP_COND(env->fpu) & (0x1 << PARAM1));
2888
    DEBUG_FPU_STATE();
2889
    RETURN();
2890
}
2891
void op_bc1any2f (void)
2892
{
2893
    T0 = !!(~GET_FP_COND(env->fpu) & (0x3 << PARAM1));
2894
    DEBUG_FPU_STATE();
2895
    RETURN();
2896
}
2897
void op_bc1any4f (void)
2898
{
2899
    T0 = !!(~GET_FP_COND(env->fpu) & (0xf << PARAM1));
2900
    DEBUG_FPU_STATE();
2901
    RETURN();
2902
}
2903

    
2904
void op_bc1t (void)
2905
{
2906
    T0 = !!(GET_FP_COND(env->fpu) & (0x1 << PARAM1));
2907
    DEBUG_FPU_STATE();
2908
    RETURN();
2909
}
2910
void op_bc1any2t (void)
2911
{
2912
    T0 = !!(GET_FP_COND(env->fpu) & (0x3 << PARAM1));
2913
    DEBUG_FPU_STATE();
2914
    RETURN();
2915
}
2916
void op_bc1any4t (void)
2917
{
2918
    T0 = !!(GET_FP_COND(env->fpu) & (0xf << PARAM1));
2919
    DEBUG_FPU_STATE();
2920
    RETURN();
2921
}
2922

    
2923
void op_tlbwi (void)
2924
{
2925
    CALL_FROM_TB0(env->tlb->do_tlbwi);
2926
    RETURN();
2927
}
2928

    
2929
void op_tlbwr (void)
2930
{
2931
    CALL_FROM_TB0(env->tlb->do_tlbwr);
2932
    RETURN();
2933
}
2934

    
2935
void op_tlbp (void)
2936
{
2937
    CALL_FROM_TB0(env->tlb->do_tlbp);
2938
    RETURN();
2939
}
2940

    
2941
void op_tlbr (void)
2942
{
2943
    CALL_FROM_TB0(env->tlb->do_tlbr);
2944
    RETURN();
2945
}
2946

    
2947
/* Specials */
2948
#if defined (CONFIG_USER_ONLY)
2949
void op_tls_value (void)
2950
{
2951
    T0 = env->tls_value;
2952
}
2953
#endif
2954

    
2955
void op_pmon (void)
2956
{
2957
    CALL_FROM_TB1(do_pmon, PARAM1);
2958
    RETURN();
2959
}
2960

    
2961
void op_di (void)
2962
{
2963
    T0 = env->CP0_Status;
2964
    env->CP0_Status = T0 & ~(1 << CP0St_IE);
2965
    CALL_FROM_TB1(cpu_mips_update_irq, env);
2966
    RETURN();
2967
}
2968

    
2969
void op_ei (void)
2970
{
2971
    T0 = env->CP0_Status;
2972
    env->CP0_Status = T0 | (1 << CP0St_IE);
2973
    CALL_FROM_TB1(cpu_mips_update_irq, env);
2974
    RETURN();
2975
}
2976

    
2977
void op_trap (void)
2978
{
2979
    if (T0) {
2980
        CALL_FROM_TB1(do_raise_exception, EXCP_TRAP);
2981
    }
2982
    RETURN();
2983
}
2984

    
2985
void op_debug (void)
2986
{
2987
    CALL_FROM_TB1(do_raise_exception, EXCP_DEBUG);
2988
    RETURN();
2989
}
2990

    
2991
void op_set_lladdr (void)
2992
{
2993
    env->CP0_LLAddr = T2;
2994
    RETURN();
2995
}
2996

    
2997
void debug_pre_eret (void);
2998
void debug_post_eret (void);
2999
void op_eret (void)
3000
{
3001
    if (loglevel & CPU_LOG_EXEC)
3002
        CALL_FROM_TB0(debug_pre_eret);
3003
    if (env->CP0_Status & (1 << CP0St_ERL)) {
3004
        env->PC[env->current_tc] = env->CP0_ErrorEPC;
3005
        env->CP0_Status &= ~(1 << CP0St_ERL);
3006
    } else {
3007
        env->PC[env->current_tc] = env->CP0_EPC;
3008
        env->CP0_Status &= ~(1 << CP0St_EXL);
3009
    }
3010
    if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
3011
        !(env->CP0_Status & (1 << CP0St_ERL)) &&
3012
        !(env->hflags & MIPS_HFLAG_DM) &&
3013
        (env->CP0_Status & (1 << CP0St_UM)))
3014
        env->hflags |= MIPS_HFLAG_UM;
3015
#ifdef TARGET_MIPS64
3016
     if ((env->hflags & MIPS_HFLAG_UM) &&
3017
        !(env->CP0_Status & (1 << CP0St_PX)) &&
3018
        !(env->CP0_Status & (1 << CP0St_UX)))
3019
        env->hflags &= ~MIPS_HFLAG_64;
3020
#endif
3021
    if (loglevel & CPU_LOG_EXEC)
3022
        CALL_FROM_TB0(debug_post_eret);
3023
    env->CP0_LLAddr = 1;
3024
    RETURN();
3025
}
3026

    
3027
void op_deret (void)
3028
{
3029
    if (loglevel & CPU_LOG_EXEC)
3030
        CALL_FROM_TB0(debug_pre_eret);
3031
    env->PC[env->current_tc] = env->CP0_DEPC;
3032
    env->hflags |= MIPS_HFLAG_DM;
3033
    if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
3034
        !(env->CP0_Status & (1 << CP0St_ERL)) &&
3035
        !(env->hflags & MIPS_HFLAG_DM) &&
3036
        (env->CP0_Status & (1 << CP0St_UM)))
3037
        env->hflags |= MIPS_HFLAG_UM;
3038
#ifdef TARGET_MIPS64
3039
    if ((env->hflags & MIPS_HFLAG_UM) &&
3040
        !(env->CP0_Status & (1 << CP0St_PX)) &&
3041
        !(env->CP0_Status & (1 << CP0St_UX)))
3042
        env->hflags &= ~MIPS_HFLAG_64;
3043
#endif
3044
    if (loglevel & CPU_LOG_EXEC)
3045
        CALL_FROM_TB0(debug_post_eret);
3046
    env->CP0_LLAddr = 1;
3047
    RETURN();
3048
}
3049

    
3050
void op_rdhwr_cpunum(void)
3051
{
3052
    if (!(env->hflags & MIPS_HFLAG_UM) ||
3053
        (env->CP0_HWREna & (1 << 0)) ||
3054
        (env->CP0_Status & (1 << CP0St_CU0)))
3055
        T0 = env->CP0_EBase & 0x3ff;
3056
    else
3057
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
3058
    RETURN();
3059
}
3060

    
3061
void op_rdhwr_synci_step(void)
3062
{
3063
    if (!(env->hflags & MIPS_HFLAG_UM) ||
3064
        (env->CP0_HWREna & (1 << 1)) ||
3065
        (env->CP0_Status & (1 << CP0St_CU0)))
3066
        T0 = env->SYNCI_Step;
3067
    else
3068
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
3069
    RETURN();
3070
}
3071

    
3072
void op_rdhwr_cc(void)
3073
{
3074
    if (!(env->hflags & MIPS_HFLAG_UM) ||
3075
        (env->CP0_HWREna & (1 << 2)) ||
3076
        (env->CP0_Status & (1 << CP0St_CU0)))
3077
        T0 = env->CP0_Count;
3078
    else
3079
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
3080
    RETURN();
3081
}
3082

    
3083
void op_rdhwr_ccres(void)
3084
{
3085
    if (!(env->hflags & MIPS_HFLAG_UM) ||
3086
        (env->CP0_HWREna & (1 << 3)) ||
3087
        (env->CP0_Status & (1 << CP0St_CU0)))
3088
        T0 = env->CCRes;
3089
    else
3090
        CALL_FROM_TB1(do_raise_exception, EXCP_RI);
3091
    RETURN();
3092
}
3093

    
3094
void op_save_state (void)
3095
{
3096
    env->hflags = PARAM1;
3097
    RETURN();
3098
}
3099

    
3100
void op_save_pc (void)
3101
{
3102
    env->PC[env->current_tc] = PARAM1;
3103
    RETURN();
3104
}
3105

    
3106
#ifdef TARGET_MIPS64
3107
void op_save_pc64 (void)
3108
{
3109
    env->PC[env->current_tc] = ((uint64_t)PARAM1 << 32) | (uint32_t)PARAM2;
3110
    RETURN();
3111
}
3112
#endif
3113

    
3114
void op_interrupt_restart (void)
3115
{
3116
    if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
3117
        !(env->CP0_Status & (1 << CP0St_ERL)) &&
3118
        !(env->hflags & MIPS_HFLAG_DM) &&
3119
        (env->CP0_Status & (1 << CP0St_IE)) &&
3120
        (env->CP0_Status & env->CP0_Cause & CP0Ca_IP_mask)) {
3121
        env->CP0_Cause &= ~(0x1f << CP0Ca_EC);
3122
        CALL_FROM_TB1(do_raise_exception, EXCP_EXT_INTERRUPT);
3123
    }
3124
    RETURN();
3125
}
3126

    
3127
void op_raise_exception (void)
3128
{
3129
    CALL_FROM_TB1(do_raise_exception, PARAM1);
3130
    RETURN();
3131
}
3132

    
3133
void op_raise_exception_err (void)
3134
{
3135
    CALL_FROM_TB2(do_raise_exception_err, PARAM1, PARAM2);
3136
    RETURN();
3137
}
3138

    
3139
void op_exit_tb (void)
3140
{
3141
    EXIT_TB();
3142
    RETURN();
3143
}
3144

    
3145
void op_wait (void)
3146
{
3147
    env->halted = 1;
3148
    CALL_FROM_TB1(do_raise_exception, EXCP_HLT);
3149
    RETURN();
3150
}
3151

    
3152
/* Bitfield operations. */
3153
void op_ext(void)
3154
{
3155
    unsigned int pos = PARAM1;
3156
    unsigned int size = PARAM2;
3157

    
3158
    T0 = ((uint32_t)T1 >> pos) & ((size < 32) ? ((1 << size) - 1) : ~0);
3159
    RETURN();
3160
}
3161

    
3162
void op_ins(void)
3163
{
3164
    unsigned int pos = PARAM1;
3165
    unsigned int size = PARAM2;
3166
    target_ulong mask = ((size < 32) ? ((1 << size) - 1) : ~0) << pos;
3167

    
3168
    T0 = (T0 & ~mask) | (((uint32_t)T1 << pos) & mask);
3169
    RETURN();
3170
}
3171

    
3172
void op_wsbh(void)
3173
{
3174
    T0 = ((T1 << 8) & ~0x00FF00FF) | ((T1 >> 8) & 0x00FF00FF);
3175
    RETURN();
3176
}
3177

    
3178
#ifdef TARGET_MIPS64
3179
void op_dext(void)
3180
{
3181
    unsigned int pos = PARAM1;
3182
    unsigned int size = PARAM2;
3183

    
3184
    T0 = (T1 >> pos) & ((size < 32) ? ((1 << size) - 1) : ~0);
3185
    RETURN();
3186
}
3187

    
3188
void op_dins(void)
3189
{
3190
    unsigned int pos = PARAM1;
3191
    unsigned int size = PARAM2;
3192
    target_ulong mask = ((size < 32) ? ((1 << size) - 1) : ~0) << pos;
3193

    
3194
    T0 = (T0 & ~mask) | ((T1 << pos) & mask);
3195
    RETURN();
3196
}
3197

    
3198
void op_dsbh(void)
3199
{
3200
    T0 = ((T1 << 8) & ~0x00FF00FF00FF00FFULL) | ((T1 >> 8) & 0x00FF00FF00FF00FFULL);
3201
    RETURN();
3202
}
3203

    
3204
void op_dshd(void)
3205
{
3206
    T0 = ((T1 << 16) & ~0x0000FFFF0000FFFFULL) | ((T1 >> 16) & 0x0000FFFF0000FFFFULL);
3207
    RETURN();
3208
}
3209
#endif
3210

    
3211
void op_seb(void)
3212
{
3213
    T0 = ((T1 & 0xFF) ^ 0x80) - 0x80;
3214
    RETURN();
3215
}
3216

    
3217
void op_seh(void)
3218
{
3219
    T0 = ((T1 & 0xFFFF) ^ 0x8000) - 0x8000;
3220
    RETURN();
3221
}