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1
/*
2
 *  MIPS emulation helpers for qemu.
3
 *
4
 *  Copyright (c) 2004-2005 Jocelyn Mayer
5
 *
6
 * This library is free software; you can redistribute it and/or
7
 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14
 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18
 */
19
#include <stdlib.h>
20
#include "cpu.h"
21
#include "qemu/host-utils.h"
22

    
23
#include "helper.h"
24

    
25
#if !defined(CONFIG_USER_ONLY)
26
#include "exec/softmmu_exec.h"
27
#endif /* !defined(CONFIG_USER_ONLY) */
28

    
29
#ifndef CONFIG_USER_ONLY
30
static inline void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global);
31
#endif
32

    
33
/*****************************************************************************/
34
/* Exceptions processing helpers */
35

    
36
static inline void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env,
37
                                                        uint32_t exception,
38
                                                        int error_code,
39
                                                        uintptr_t pc)
40
{
41
    if (exception < EXCP_SC) {
42
        qemu_log("%s: %d %d\n", __func__, exception, error_code);
43
    }
44
    env->exception_index = exception;
45
    env->error_code = error_code;
46

    
47
    if (pc) {
48
        /* now we have a real cpu fault */
49
        cpu_restore_state(env, pc);
50
    }
51

    
52
    cpu_loop_exit(env);
53
}
54

    
55
static inline void QEMU_NORETURN do_raise_exception(CPUMIPSState *env,
56
                                                    uint32_t exception,
57
                                                    uintptr_t pc)
58
{
59
    do_raise_exception_err(env, exception, 0, pc);
60
}
61

    
62
void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
63
                                int error_code)
64
{
65
    do_raise_exception_err(env, exception, error_code, 0);
66
}
67

    
68
void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
69
{
70
    do_raise_exception(env, exception, 0);
71
}
72

    
73
#if defined(CONFIG_USER_ONLY)
74
#define HELPER_LD(name, insn, type)                                     \
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static inline type do_##name(CPUMIPSState *env, target_ulong addr,      \
76
                             int mem_idx)                               \
77
{                                                                       \
78
    return (type) insn##_raw(addr);                                     \
79
}
80
#else
81
#define HELPER_LD(name, insn, type)                                     \
82
static inline type do_##name(CPUMIPSState *env, target_ulong addr,      \
83
                             int mem_idx)                               \
84
{                                                                       \
85
    switch (mem_idx)                                                    \
86
    {                                                                   \
87
    case 0: return (type) cpu_##insn##_kernel(env, addr); break;        \
88
    case 1: return (type) cpu_##insn##_super(env, addr); break;         \
89
    default:                                                            \
90
    case 2: return (type) cpu_##insn##_user(env, addr); break;          \
91
    }                                                                   \
92
}
93
#endif
94
HELPER_LD(lbu, ldub, uint8_t)
95
HELPER_LD(lw, ldl, int32_t)
96
#ifdef TARGET_MIPS64
97
HELPER_LD(ld, ldq, int64_t)
98
#endif
99
#undef HELPER_LD
100

    
101
#if defined(CONFIG_USER_ONLY)
102
#define HELPER_ST(name, insn, type)                                     \
103
static inline void do_##name(CPUMIPSState *env, target_ulong addr,      \
104
                             type val, int mem_idx)                     \
105
{                                                                       \
106
    insn##_raw(addr, val);                                              \
107
}
108
#else
109
#define HELPER_ST(name, insn, type)                                     \
110
static inline void do_##name(CPUMIPSState *env, target_ulong addr,      \
111
                             type val, int mem_idx)                     \
112
{                                                                       \
113
    switch (mem_idx)                                                    \
114
    {                                                                   \
115
    case 0: cpu_##insn##_kernel(env, addr, val); break;                 \
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    case 1: cpu_##insn##_super(env, addr, val); break;                  \
117
    default:                                                            \
118
    case 2: cpu_##insn##_user(env, addr, val); break;                   \
119
    }                                                                   \
120
}
121
#endif
122
HELPER_ST(sb, stb, uint8_t)
123
HELPER_ST(sw, stl, uint32_t)
124
#ifdef TARGET_MIPS64
125
HELPER_ST(sd, stq, uint64_t)
126
#endif
127
#undef HELPER_ST
128

    
129
target_ulong helper_clo (target_ulong arg1)
130
{
131
    return clo32(arg1);
132
}
133

    
134
target_ulong helper_clz (target_ulong arg1)
135
{
136
    return clz32(arg1);
137
}
138

    
139
#if defined(TARGET_MIPS64)
140
target_ulong helper_dclo (target_ulong arg1)
141
{
142
    return clo64(arg1);
143
}
144

    
145
target_ulong helper_dclz (target_ulong arg1)
146
{
147
    return clz64(arg1);
148
}
149
#endif /* TARGET_MIPS64 */
150

    
151
/* 64 bits arithmetic for 32 bits hosts */
152
static inline uint64_t get_HILO(CPUMIPSState *env)
153
{
154
    return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0];
155
}
156

    
157
static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO)
158
{
159
    target_ulong tmp;
160
    env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
161
    tmp = env->active_tc.HI[0] = (int32_t)(HILO >> 32);
162
    return tmp;
163
}
164

    
165
static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO)
166
{
167
    target_ulong tmp = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
168
    env->active_tc.HI[0] = (int32_t)(HILO >> 32);
169
    return tmp;
170
}
171

    
172
/* Multiplication variants of the vr54xx. */
173
target_ulong helper_muls(CPUMIPSState *env, target_ulong arg1,
174
                         target_ulong arg2)
175
{
176
    return set_HI_LOT0(env, 0 - ((int64_t)(int32_t)arg1 *
177
                                 (int64_t)(int32_t)arg2));
178
}
179

    
180
target_ulong helper_mulsu(CPUMIPSState *env, target_ulong arg1,
181
                          target_ulong arg2)
182
{
183
    return set_HI_LOT0(env, 0 - (uint64_t)(uint32_t)arg1 *
184
                       (uint64_t)(uint32_t)arg2);
185
}
186

    
187
target_ulong helper_macc(CPUMIPSState *env, target_ulong arg1,
188
                         target_ulong arg2)
189
{
190
    return set_HI_LOT0(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
191
                       (int64_t)(int32_t)arg2);
192
}
193

    
194
target_ulong helper_macchi(CPUMIPSState *env, target_ulong arg1,
195
                           target_ulong arg2)
196
{
197
    return set_HIT0_LO(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
198
                       (int64_t)(int32_t)arg2);
199
}
200

    
201
target_ulong helper_maccu(CPUMIPSState *env, target_ulong arg1,
202
                          target_ulong arg2)
203
{
204
    return set_HI_LOT0(env, (uint64_t)get_HILO(env) +
205
                       (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
206
}
207

    
208
target_ulong helper_macchiu(CPUMIPSState *env, target_ulong arg1,
209
                            target_ulong arg2)
210
{
211
    return set_HIT0_LO(env, (uint64_t)get_HILO(env) +
212
                       (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
213
}
214

    
215
target_ulong helper_msac(CPUMIPSState *env, target_ulong arg1,
216
                         target_ulong arg2)
217
{
218
    return set_HI_LOT0(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
219
                       (int64_t)(int32_t)arg2);
220
}
221

    
222
target_ulong helper_msachi(CPUMIPSState *env, target_ulong arg1,
223
                           target_ulong arg2)
224
{
225
    return set_HIT0_LO(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
226
                       (int64_t)(int32_t)arg2);
227
}
228

    
229
target_ulong helper_msacu(CPUMIPSState *env, target_ulong arg1,
230
                          target_ulong arg2)
231
{
232
    return set_HI_LOT0(env, (uint64_t)get_HILO(env) -
233
                       (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
234
}
235

    
236
target_ulong helper_msachiu(CPUMIPSState *env, target_ulong arg1,
237
                            target_ulong arg2)
238
{
239
    return set_HIT0_LO(env, (uint64_t)get_HILO(env) -
240
                       (uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
241
}
242

    
243
target_ulong helper_mulhi(CPUMIPSState *env, target_ulong arg1,
244
                          target_ulong arg2)
245
{
246
    return set_HIT0_LO(env, (int64_t)(int32_t)arg1 * (int64_t)(int32_t)arg2);
247
}
248

    
249
target_ulong helper_mulhiu(CPUMIPSState *env, target_ulong arg1,
250
                           target_ulong arg2)
251
{
252
    return set_HIT0_LO(env, (uint64_t)(uint32_t)arg1 *
253
                       (uint64_t)(uint32_t)arg2);
254
}
255

    
256
target_ulong helper_mulshi(CPUMIPSState *env, target_ulong arg1,
257
                           target_ulong arg2)
258
{
259
    return set_HIT0_LO(env, 0 - (int64_t)(int32_t)arg1 *
260
                       (int64_t)(int32_t)arg2);
261
}
262

    
263
target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
264
                            target_ulong arg2)
265
{
266
    return set_HIT0_LO(env, 0 - (uint64_t)(uint32_t)arg1 *
267
                       (uint64_t)(uint32_t)arg2);
268
}
269

    
270
#ifndef CONFIG_USER_ONLY
271

    
272
static inline hwaddr do_translate_address(CPUMIPSState *env,
273
                                                      target_ulong address,
274
                                                      int rw)
275
{
276
    hwaddr lladdr;
277

    
278
    lladdr = cpu_mips_translate_address(env, address, rw);
279

    
280
    if (lladdr == -1LL) {
281
        cpu_loop_exit(env);
282
    } else {
283
        return lladdr;
284
    }
285
}
286

    
287
#define HELPER_LD_ATOMIC(name, insn)                                          \
288
target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx)  \
289
{                                                                             \
290
    env->lladdr = do_translate_address(env, arg, 0);                          \
291
    env->llval = do_##insn(env, arg, mem_idx);                                \
292
    return env->llval;                                                        \
293
}
294
HELPER_LD_ATOMIC(ll, lw)
295
#ifdef TARGET_MIPS64
296
HELPER_LD_ATOMIC(lld, ld)
297
#endif
298
#undef HELPER_LD_ATOMIC
299

    
300
#define HELPER_ST_ATOMIC(name, ld_insn, st_insn, almask)                      \
301
target_ulong helper_##name(CPUMIPSState *env, target_ulong arg1,              \
302
                           target_ulong arg2, int mem_idx)                    \
303
{                                                                             \
304
    target_long tmp;                                                          \
305
                                                                              \
306
    if (arg2 & almask) {                                                      \
307
        env->CP0_BadVAddr = arg2;                                             \
308
        helper_raise_exception(env, EXCP_AdES);                               \
309
    }                                                                         \
310
    if (do_translate_address(env, arg2, 1) == env->lladdr) {                  \
311
        tmp = do_##ld_insn(env, arg2, mem_idx);                               \
312
        if (tmp == env->llval) {                                              \
313
            do_##st_insn(env, arg2, arg1, mem_idx);                           \
314
            return 1;                                                         \
315
        }                                                                     \
316
    }                                                                         \
317
    return 0;                                                                 \
318
}
319
HELPER_ST_ATOMIC(sc, lw, sw, 0x3)
320
#ifdef TARGET_MIPS64
321
HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
322
#endif
323
#undef HELPER_ST_ATOMIC
324
#endif
325

    
326
#ifdef TARGET_WORDS_BIGENDIAN
327
#define GET_LMASK(v) ((v) & 3)
328
#define GET_OFFSET(addr, offset) (addr + (offset))
329
#else
330
#define GET_LMASK(v) (((v) & 3) ^ 3)
331
#define GET_OFFSET(addr, offset) (addr - (offset))
332
#endif
333

    
334
void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
335
                int mem_idx)
336
{
337
    do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx);
338

    
339
    if (GET_LMASK(arg2) <= 2)
340
        do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx);
341

    
342
    if (GET_LMASK(arg2) <= 1)
343
        do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx);
344

    
345
    if (GET_LMASK(arg2) == 0)
346
        do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx);
347
}
348

    
349
void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
350
                int mem_idx)
351
{
352
    do_sb(env, arg2, (uint8_t)arg1, mem_idx);
353

    
354
    if (GET_LMASK(arg2) >= 1)
355
        do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
356

    
357
    if (GET_LMASK(arg2) >= 2)
358
        do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
359

    
360
    if (GET_LMASK(arg2) == 3)
361
        do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
362
}
363

    
364
#if defined(TARGET_MIPS64)
365
/* "half" load and stores.  We must do the memory access inline,
366
   or fault handling won't work.  */
367

    
368
#ifdef TARGET_WORDS_BIGENDIAN
369
#define GET_LMASK64(v) ((v) & 7)
370
#else
371
#define GET_LMASK64(v) (((v) & 7) ^ 7)
372
#endif
373

    
374
void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
375
                int mem_idx)
376
{
377
    do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx);
378

    
379
    if (GET_LMASK64(arg2) <= 6)
380
        do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx);
381

    
382
    if (GET_LMASK64(arg2) <= 5)
383
        do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx);
384

    
385
    if (GET_LMASK64(arg2) <= 4)
386
        do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx);
387

    
388
    if (GET_LMASK64(arg2) <= 3)
389
        do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx);
390

    
391
    if (GET_LMASK64(arg2) <= 2)
392
        do_sb(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16), mem_idx);
393

    
394
    if (GET_LMASK64(arg2) <= 1)
395
        do_sb(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8), mem_idx);
396

    
397
    if (GET_LMASK64(arg2) <= 0)
398
        do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx);
399
}
400

    
401
void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
402
                int mem_idx)
403
{
404
    do_sb(env, arg2, (uint8_t)arg1, mem_idx);
405

    
406
    if (GET_LMASK64(arg2) >= 1)
407
        do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx);
408

    
409
    if (GET_LMASK64(arg2) >= 2)
410
        do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx);
411

    
412
    if (GET_LMASK64(arg2) >= 3)
413
        do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx);
414

    
415
    if (GET_LMASK64(arg2) >= 4)
416
        do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx);
417

    
418
    if (GET_LMASK64(arg2) >= 5)
419
        do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx);
420

    
421
    if (GET_LMASK64(arg2) >= 6)
422
        do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx);
423

    
424
    if (GET_LMASK64(arg2) == 7)
425
        do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx);
426
}
427
#endif /* TARGET_MIPS64 */
428

    
429
static const int multiple_regs[] = { 16, 17, 18, 19, 20, 21, 22, 23, 30 };
430

    
431
void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
432
                uint32_t mem_idx)
433
{
434
    target_ulong base_reglist = reglist & 0xf;
435
    target_ulong do_r31 = reglist & 0x10;
436

    
437
    if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
438
        target_ulong i;
439

    
440
        for (i = 0; i < base_reglist; i++) {
441
            env->active_tc.gpr[multiple_regs[i]] =
442
                (target_long)do_lw(env, addr, mem_idx);
443
            addr += 4;
444
        }
445
    }
446

    
447
    if (do_r31) {
448
        env->active_tc.gpr[31] = (target_long)do_lw(env, addr, mem_idx);
449
    }
450
}
451

    
452
void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
453
                uint32_t mem_idx)
454
{
455
    target_ulong base_reglist = reglist & 0xf;
456
    target_ulong do_r31 = reglist & 0x10;
457

    
458
    if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
459
        target_ulong i;
460

    
461
        for (i = 0; i < base_reglist; i++) {
462
            do_sw(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
463
            addr += 4;
464
        }
465
    }
466

    
467
    if (do_r31) {
468
        do_sw(env, addr, env->active_tc.gpr[31], mem_idx);
469
    }
470
}
471

    
472
#if defined(TARGET_MIPS64)
473
void helper_ldm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
474
                uint32_t mem_idx)
475
{
476
    target_ulong base_reglist = reglist & 0xf;
477
    target_ulong do_r31 = reglist & 0x10;
478

    
479
    if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
480
        target_ulong i;
481

    
482
        for (i = 0; i < base_reglist; i++) {
483
            env->active_tc.gpr[multiple_regs[i]] = do_ld(env, addr, mem_idx);
484
            addr += 8;
485
        }
486
    }
487

    
488
    if (do_r31) {
489
        env->active_tc.gpr[31] = do_ld(env, addr, mem_idx);
490
    }
491
}
492

    
493
void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
494
                uint32_t mem_idx)
495
{
496
    target_ulong base_reglist = reglist & 0xf;
497
    target_ulong do_r31 = reglist & 0x10;
498

    
499
    if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
500
        target_ulong i;
501

    
502
        for (i = 0; i < base_reglist; i++) {
503
            do_sd(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx);
504
            addr += 8;
505
        }
506
    }
507

    
508
    if (do_r31) {
509
        do_sd(env, addr, env->active_tc.gpr[31], mem_idx);
510
    }
511
}
512
#endif
513

    
514
#ifndef CONFIG_USER_ONLY
515
/* SMP helpers.  */
516
static bool mips_vpe_is_wfi(MIPSCPU *c)
517
{
518
    CPUState *cpu = CPU(c);
519
    CPUMIPSState *env = &c->env;
520

    
521
    /* If the VPE is halted but otherwise active, it means it's waiting for
522
       an interrupt.  */
523
    return cpu->halted && mips_vpe_active(env);
524
}
525

    
526
static inline void mips_vpe_wake(MIPSCPU *c)
527
{
528
    /* Dont set ->halted = 0 directly, let it be done via cpu_has_work
529
       because there might be other conditions that state that c should
530
       be sleeping.  */
531
    cpu_interrupt(CPU(c), CPU_INTERRUPT_WAKE);
532
}
533

    
534
static inline void mips_vpe_sleep(MIPSCPU *cpu)
535
{
536
    CPUState *cs = CPU(cpu);
537

    
538
    /* The VPE was shut off, really go to bed.
539
       Reset any old _WAKE requests.  */
540
    cs->halted = 1;
541
    cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
542
}
543

    
544
static inline void mips_tc_wake(MIPSCPU *cpu, int tc)
545
{
546
    CPUMIPSState *c = &cpu->env;
547

    
548
    /* FIXME: TC reschedule.  */
549
    if (mips_vpe_active(c) && !mips_vpe_is_wfi(cpu)) {
550
        mips_vpe_wake(cpu);
551
    }
552
}
553

    
554
static inline void mips_tc_sleep(MIPSCPU *cpu, int tc)
555
{
556
    CPUMIPSState *c = &cpu->env;
557

    
558
    /* FIXME: TC reschedule.  */
559
    if (!mips_vpe_active(c)) {
560
        mips_vpe_sleep(cpu);
561
    }
562
}
563

    
564
/**
565
 * mips_cpu_map_tc:
566
 * @env: CPU from which mapping is performed.
567
 * @tc: Should point to an int with the value of the global TC index.
568
 *
569
 * This function will transform @tc into a local index within the
570
 * returned #CPUMIPSState.
571
 */
572
/* FIXME: This code assumes that all VPEs have the same number of TCs,
573
          which depends on runtime setup. Can probably be fixed by
574
          walking the list of CPUMIPSStates.  */
575
static CPUMIPSState *mips_cpu_map_tc(CPUMIPSState *env, int *tc)
576
{
577
    MIPSCPU *cpu;
578
    CPUState *cs;
579
    CPUState *other_cs;
580
    int vpe_idx;
581
    int tc_idx = *tc;
582

    
583
    if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) {
584
        /* Not allowed to address other CPUs.  */
585
        *tc = env->current_tc;
586
        return env;
587
    }
588

    
589
    cs = CPU(mips_env_get_cpu(env));
590
    vpe_idx = tc_idx / cs->nr_threads;
591
    *tc = tc_idx % cs->nr_threads;
592
    other_cs = qemu_get_cpu(vpe_idx);
593
    if (other_cs == NULL) {
594
        return env;
595
    }
596
    cpu = MIPS_CPU(other_cs);
597
    return &cpu->env;
598
}
599

    
600
/* The per VPE CP0_Status register shares some fields with the per TC
601
   CP0_TCStatus registers. These fields are wired to the same registers,
602
   so changes to either of them should be reflected on both registers.
603

604
   Also, EntryHi shares the bottom 8 bit ASID with TCStauts.
605

606
   These helper call synchronizes the regs for a given cpu.  */
607

    
608
/* Called for updates to CP0_Status.  */
609
static void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu, int tc)
610
{
611
    int32_t tcstatus, *tcst;
612
    uint32_t v = cpu->CP0_Status;
613
    uint32_t cu, mx, asid, ksu;
614
    uint32_t mask = ((1 << CP0TCSt_TCU3)
615
                       | (1 << CP0TCSt_TCU2)
616
                       | (1 << CP0TCSt_TCU1)
617
                       | (1 << CP0TCSt_TCU0)
618
                       | (1 << CP0TCSt_TMX)
619
                       | (3 << CP0TCSt_TKSU)
620
                       | (0xff << CP0TCSt_TASID));
621

    
622
    cu = (v >> CP0St_CU0) & 0xf;
623
    mx = (v >> CP0St_MX) & 0x1;
624
    ksu = (v >> CP0St_KSU) & 0x3;
625
    asid = env->CP0_EntryHi & 0xff;
626

    
627
    tcstatus = cu << CP0TCSt_TCU0;
628
    tcstatus |= mx << CP0TCSt_TMX;
629
    tcstatus |= ksu << CP0TCSt_TKSU;
630
    tcstatus |= asid;
631

    
632
    if (tc == cpu->current_tc) {
633
        tcst = &cpu->active_tc.CP0_TCStatus;
634
    } else {
635
        tcst = &cpu->tcs[tc].CP0_TCStatus;
636
    }
637

    
638
    *tcst &= ~mask;
639
    *tcst |= tcstatus;
640
    compute_hflags(cpu);
641
}
642

    
643
/* Called for updates to CP0_TCStatus.  */
644
static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
645
                             target_ulong v)
646
{
647
    uint32_t status;
648
    uint32_t tcu, tmx, tasid, tksu;
649
    uint32_t mask = ((1 << CP0St_CU3)
650
                       | (1 << CP0St_CU2)
651
                       | (1 << CP0St_CU1)
652
                       | (1 << CP0St_CU0)
653
                       | (1 << CP0St_MX)
654
                       | (3 << CP0St_KSU));
655

    
656
    tcu = (v >> CP0TCSt_TCU0) & 0xf;
657
    tmx = (v >> CP0TCSt_TMX) & 0x1;
658
    tasid = v & 0xff;
659
    tksu = (v >> CP0TCSt_TKSU) & 0x3;
660

    
661
    status = tcu << CP0St_CU0;
662
    status |= tmx << CP0St_MX;
663
    status |= tksu << CP0St_KSU;
664

    
665
    cpu->CP0_Status &= ~mask;
666
    cpu->CP0_Status |= status;
667

    
668
    /* Sync the TASID with EntryHi.  */
669
    cpu->CP0_EntryHi &= ~0xff;
670
    cpu->CP0_EntryHi = tasid;
671

    
672
    compute_hflags(cpu);
673
}
674

    
675
/* Called for updates to CP0_EntryHi.  */
676
static void sync_c0_entryhi(CPUMIPSState *cpu, int tc)
677
{
678
    int32_t *tcst;
679
    uint32_t asid, v = cpu->CP0_EntryHi;
680

    
681
    asid = v & 0xff;
682

    
683
    if (tc == cpu->current_tc) {
684
        tcst = &cpu->active_tc.CP0_TCStatus;
685
    } else {
686
        tcst = &cpu->tcs[tc].CP0_TCStatus;
687
    }
688

    
689
    *tcst &= ~0xff;
690
    *tcst |= asid;
691
}
692

    
693
/* CP0 helpers */
694
target_ulong helper_mfc0_mvpcontrol(CPUMIPSState *env)
695
{
696
    return env->mvp->CP0_MVPControl;
697
}
698

    
699
target_ulong helper_mfc0_mvpconf0(CPUMIPSState *env)
700
{
701
    return env->mvp->CP0_MVPConf0;
702
}
703

    
704
target_ulong helper_mfc0_mvpconf1(CPUMIPSState *env)
705
{
706
    return env->mvp->CP0_MVPConf1;
707
}
708

    
709
target_ulong helper_mfc0_random(CPUMIPSState *env)
710
{
711
    return (int32_t)cpu_mips_get_random(env);
712
}
713

    
714
target_ulong helper_mfc0_tcstatus(CPUMIPSState *env)
715
{
716
    return env->active_tc.CP0_TCStatus;
717
}
718

    
719
target_ulong helper_mftc0_tcstatus(CPUMIPSState *env)
720
{
721
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
722
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
723

    
724
    if (other_tc == other->current_tc)
725
        return other->active_tc.CP0_TCStatus;
726
    else
727
        return other->tcs[other_tc].CP0_TCStatus;
728
}
729

    
730
target_ulong helper_mfc0_tcbind(CPUMIPSState *env)
731
{
732
    return env->active_tc.CP0_TCBind;
733
}
734

    
735
target_ulong helper_mftc0_tcbind(CPUMIPSState *env)
736
{
737
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
738
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
739

    
740
    if (other_tc == other->current_tc)
741
        return other->active_tc.CP0_TCBind;
742
    else
743
        return other->tcs[other_tc].CP0_TCBind;
744
}
745

    
746
target_ulong helper_mfc0_tcrestart(CPUMIPSState *env)
747
{
748
    return env->active_tc.PC;
749
}
750

    
751
target_ulong helper_mftc0_tcrestart(CPUMIPSState *env)
752
{
753
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
754
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
755

    
756
    if (other_tc == other->current_tc)
757
        return other->active_tc.PC;
758
    else
759
        return other->tcs[other_tc].PC;
760
}
761

    
762
target_ulong helper_mfc0_tchalt(CPUMIPSState *env)
763
{
764
    return env->active_tc.CP0_TCHalt;
765
}
766

    
767
target_ulong helper_mftc0_tchalt(CPUMIPSState *env)
768
{
769
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
770
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
771

    
772
    if (other_tc == other->current_tc)
773
        return other->active_tc.CP0_TCHalt;
774
    else
775
        return other->tcs[other_tc].CP0_TCHalt;
776
}
777

    
778
target_ulong helper_mfc0_tccontext(CPUMIPSState *env)
779
{
780
    return env->active_tc.CP0_TCContext;
781
}
782

    
783
target_ulong helper_mftc0_tccontext(CPUMIPSState *env)
784
{
785
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
786
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
787

    
788
    if (other_tc == other->current_tc)
789
        return other->active_tc.CP0_TCContext;
790
    else
791
        return other->tcs[other_tc].CP0_TCContext;
792
}
793

    
794
target_ulong helper_mfc0_tcschedule(CPUMIPSState *env)
795
{
796
    return env->active_tc.CP0_TCSchedule;
797
}
798

    
799
target_ulong helper_mftc0_tcschedule(CPUMIPSState *env)
800
{
801
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
802
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
803

    
804
    if (other_tc == other->current_tc)
805
        return other->active_tc.CP0_TCSchedule;
806
    else
807
        return other->tcs[other_tc].CP0_TCSchedule;
808
}
809

    
810
target_ulong helper_mfc0_tcschefback(CPUMIPSState *env)
811
{
812
    return env->active_tc.CP0_TCScheFBack;
813
}
814

    
815
target_ulong helper_mftc0_tcschefback(CPUMIPSState *env)
816
{
817
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
818
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
819

    
820
    if (other_tc == other->current_tc)
821
        return other->active_tc.CP0_TCScheFBack;
822
    else
823
        return other->tcs[other_tc].CP0_TCScheFBack;
824
}
825

    
826
target_ulong helper_mfc0_count(CPUMIPSState *env)
827
{
828
    return (int32_t)cpu_mips_get_count(env);
829
}
830

    
831
target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
832
{
833
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
834
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
835

    
836
    return other->CP0_EntryHi;
837
}
838

    
839
target_ulong helper_mftc0_cause(CPUMIPSState *env)
840
{
841
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
842
    int32_t tccause;
843
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
844

    
845
    if (other_tc == other->current_tc) {
846
        tccause = other->CP0_Cause;
847
    } else {
848
        tccause = other->CP0_Cause;
849
    }
850

    
851
    return tccause;
852
}
853

    
854
target_ulong helper_mftc0_status(CPUMIPSState *env)
855
{
856
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
857
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
858

    
859
    return other->CP0_Status;
860
}
861

    
862
target_ulong helper_mfc0_lladdr(CPUMIPSState *env)
863
{
864
    return (int32_t)(env->lladdr >> env->CP0_LLAddr_shift);
865
}
866

    
867
target_ulong helper_mfc0_watchlo(CPUMIPSState *env, uint32_t sel)
868
{
869
    return (int32_t)env->CP0_WatchLo[sel];
870
}
871

    
872
target_ulong helper_mfc0_watchhi(CPUMIPSState *env, uint32_t sel)
873
{
874
    return env->CP0_WatchHi[sel];
875
}
876

    
877
target_ulong helper_mfc0_debug(CPUMIPSState *env)
878
{
879
    target_ulong t0 = env->CP0_Debug;
880
    if (env->hflags & MIPS_HFLAG_DM)
881
        t0 |= 1 << CP0DB_DM;
882

    
883
    return t0;
884
}
885

    
886
target_ulong helper_mftc0_debug(CPUMIPSState *env)
887
{
888
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
889
    int32_t tcstatus;
890
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
891

    
892
    if (other_tc == other->current_tc)
893
        tcstatus = other->active_tc.CP0_Debug_tcstatus;
894
    else
895
        tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus;
896

    
897
    /* XXX: Might be wrong, check with EJTAG spec. */
898
    return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
899
            (tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
900
}
901

    
902
#if defined(TARGET_MIPS64)
903
target_ulong helper_dmfc0_tcrestart(CPUMIPSState *env)
904
{
905
    return env->active_tc.PC;
906
}
907

    
908
target_ulong helper_dmfc0_tchalt(CPUMIPSState *env)
909
{
910
    return env->active_tc.CP0_TCHalt;
911
}
912

    
913
target_ulong helper_dmfc0_tccontext(CPUMIPSState *env)
914
{
915
    return env->active_tc.CP0_TCContext;
916
}
917

    
918
target_ulong helper_dmfc0_tcschedule(CPUMIPSState *env)
919
{
920
    return env->active_tc.CP0_TCSchedule;
921
}
922

    
923
target_ulong helper_dmfc0_tcschefback(CPUMIPSState *env)
924
{
925
    return env->active_tc.CP0_TCScheFBack;
926
}
927

    
928
target_ulong helper_dmfc0_lladdr(CPUMIPSState *env)
929
{
930
    return env->lladdr >> env->CP0_LLAddr_shift;
931
}
932

    
933
target_ulong helper_dmfc0_watchlo(CPUMIPSState *env, uint32_t sel)
934
{
935
    return env->CP0_WatchLo[sel];
936
}
937
#endif /* TARGET_MIPS64 */
938

    
939
void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
940
{
941
    int num = 1;
942
    unsigned int tmp = env->tlb->nb_tlb;
943

    
944
    do {
945
        tmp >>= 1;
946
        num <<= 1;
947
    } while (tmp);
948
    env->CP0_Index = (env->CP0_Index & 0x80000000) | (arg1 & (num - 1));
949
}
950

    
951
void helper_mtc0_mvpcontrol(CPUMIPSState *env, target_ulong arg1)
952
{
953
    uint32_t mask = 0;
954
    uint32_t newval;
955

    
956
    if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))
957
        mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) |
958
                (1 << CP0MVPCo_EVP);
959
    if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
960
        mask |= (1 << CP0MVPCo_STLB);
961
    newval = (env->mvp->CP0_MVPControl & ~mask) | (arg1 & mask);
962

    
963
    // TODO: Enable/disable shared TLB, enable/disable VPEs.
964

    
965
    env->mvp->CP0_MVPControl = newval;
966
}
967

    
968
void helper_mtc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
969
{
970
    uint32_t mask;
971
    uint32_t newval;
972

    
973
    mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
974
           (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
975
    newval = (env->CP0_VPEControl & ~mask) | (arg1 & mask);
976

    
977
    /* Yield scheduler intercept not implemented. */
978
    /* Gating storage scheduler intercept not implemented. */
979

    
980
    // TODO: Enable/disable TCs.
981

    
982
    env->CP0_VPEControl = newval;
983
}
984

    
985
void helper_mttc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
986
{
987
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
988
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
989
    uint32_t mask;
990
    uint32_t newval;
991

    
992
    mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
993
           (1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
994
    newval = (other->CP0_VPEControl & ~mask) | (arg1 & mask);
995

    
996
    /* TODO: Enable/disable TCs.  */
997

    
998
    other->CP0_VPEControl = newval;
999
}
1000

    
1001
target_ulong helper_mftc0_vpecontrol(CPUMIPSState *env)
1002
{
1003
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1004
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1005
    /* FIXME: Mask away return zero on read bits.  */
1006
    return other->CP0_VPEControl;
1007
}
1008

    
1009
target_ulong helper_mftc0_vpeconf0(CPUMIPSState *env)
1010
{
1011
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1012
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1013

    
1014
    return other->CP0_VPEConf0;
1015
}
1016

    
1017
void helper_mtc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1018
{
1019
    uint32_t mask = 0;
1020
    uint32_t newval;
1021

    
1022
    if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) {
1023
        if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))
1024
            mask |= (0xff << CP0VPEC0_XTC);
1025
        mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1026
    }
1027
    newval = (env->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1028

    
1029
    // TODO: TC exclusive handling due to ERL/EXL.
1030

    
1031
    env->CP0_VPEConf0 = newval;
1032
}
1033

    
1034
void helper_mttc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
1035
{
1036
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1037
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1038
    uint32_t mask = 0;
1039
    uint32_t newval;
1040

    
1041
    mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
1042
    newval = (other->CP0_VPEConf0 & ~mask) | (arg1 & mask);
1043

    
1044
    /* TODO: TC exclusive handling due to ERL/EXL.  */
1045
    other->CP0_VPEConf0 = newval;
1046
}
1047

    
1048
void helper_mtc0_vpeconf1(CPUMIPSState *env, target_ulong arg1)
1049
{
1050
    uint32_t mask = 0;
1051
    uint32_t newval;
1052

    
1053
    if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1054
        mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) |
1055
                (0xff << CP0VPEC1_NCP1);
1056
    newval = (env->CP0_VPEConf1 & ~mask) | (arg1 & mask);
1057

    
1058
    /* UDI not implemented. */
1059
    /* CP2 not implemented. */
1060

    
1061
    // TODO: Handle FPU (CP1) binding.
1062

    
1063
    env->CP0_VPEConf1 = newval;
1064
}
1065

    
1066
void helper_mtc0_yqmask(CPUMIPSState *env, target_ulong arg1)
1067
{
1068
    /* Yield qualifier inputs not implemented. */
1069
    env->CP0_YQMask = 0x00000000;
1070
}
1071

    
1072
void helper_mtc0_vpeopt(CPUMIPSState *env, target_ulong arg1)
1073
{
1074
    env->CP0_VPEOpt = arg1 & 0x0000ffff;
1075
}
1076

    
1077
void helper_mtc0_entrylo0(CPUMIPSState *env, target_ulong arg1)
1078
{
1079
    /* Large physaddr (PABITS) not implemented */
1080
    /* 1k pages not implemented */
1081
    env->CP0_EntryLo0 = arg1 & 0x3FFFFFFF;
1082
}
1083

    
1084
void helper_mtc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1085
{
1086
    uint32_t mask = env->CP0_TCStatus_rw_bitmask;
1087
    uint32_t newval;
1088

    
1089
    newval = (env->active_tc.CP0_TCStatus & ~mask) | (arg1 & mask);
1090

    
1091
    env->active_tc.CP0_TCStatus = newval;
1092
    sync_c0_tcstatus(env, env->current_tc, newval);
1093
}
1094

    
1095
void helper_mttc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
1096
{
1097
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1098
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1099

    
1100
    if (other_tc == other->current_tc)
1101
        other->active_tc.CP0_TCStatus = arg1;
1102
    else
1103
        other->tcs[other_tc].CP0_TCStatus = arg1;
1104
    sync_c0_tcstatus(other, other_tc, arg1);
1105
}
1106

    
1107
void helper_mtc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1108
{
1109
    uint32_t mask = (1 << CP0TCBd_TBE);
1110
    uint32_t newval;
1111

    
1112
    if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1113
        mask |= (1 << CP0TCBd_CurVPE);
1114
    newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1115
    env->active_tc.CP0_TCBind = newval;
1116
}
1117

    
1118
void helper_mttc0_tcbind(CPUMIPSState *env, target_ulong arg1)
1119
{
1120
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1121
    uint32_t mask = (1 << CP0TCBd_TBE);
1122
    uint32_t newval;
1123
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1124

    
1125
    if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
1126
        mask |= (1 << CP0TCBd_CurVPE);
1127
    if (other_tc == other->current_tc) {
1128
        newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
1129
        other->active_tc.CP0_TCBind = newval;
1130
    } else {
1131
        newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
1132
        other->tcs[other_tc].CP0_TCBind = newval;
1133
    }
1134
}
1135

    
1136
void helper_mtc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1137
{
1138
    env->active_tc.PC = arg1;
1139
    env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1140
    env->lladdr = 0ULL;
1141
    /* MIPS16 not implemented. */
1142
}
1143

    
1144
void helper_mttc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
1145
{
1146
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1147
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1148

    
1149
    if (other_tc == other->current_tc) {
1150
        other->active_tc.PC = arg1;
1151
        other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1152
        other->lladdr = 0ULL;
1153
        /* MIPS16 not implemented. */
1154
    } else {
1155
        other->tcs[other_tc].PC = arg1;
1156
        other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
1157
        other->lladdr = 0ULL;
1158
        /* MIPS16 not implemented. */
1159
    }
1160
}
1161

    
1162
void helper_mtc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1163
{
1164
    MIPSCPU *cpu = mips_env_get_cpu(env);
1165

    
1166
    env->active_tc.CP0_TCHalt = arg1 & 0x1;
1167

    
1168
    // TODO: Halt TC / Restart (if allocated+active) TC.
1169
    if (env->active_tc.CP0_TCHalt & 1) {
1170
        mips_tc_sleep(cpu, env->current_tc);
1171
    } else {
1172
        mips_tc_wake(cpu, env->current_tc);
1173
    }
1174
}
1175

    
1176
void helper_mttc0_tchalt(CPUMIPSState *env, target_ulong arg1)
1177
{
1178
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1179
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1180
    MIPSCPU *other_cpu = mips_env_get_cpu(other);
1181

    
1182
    // TODO: Halt TC / Restart (if allocated+active) TC.
1183

    
1184
    if (other_tc == other->current_tc)
1185
        other->active_tc.CP0_TCHalt = arg1;
1186
    else
1187
        other->tcs[other_tc].CP0_TCHalt = arg1;
1188

    
1189
    if (arg1 & 1) {
1190
        mips_tc_sleep(other_cpu, other_tc);
1191
    } else {
1192
        mips_tc_wake(other_cpu, other_tc);
1193
    }
1194
}
1195

    
1196
void helper_mtc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1197
{
1198
    env->active_tc.CP0_TCContext = arg1;
1199
}
1200

    
1201
void helper_mttc0_tccontext(CPUMIPSState *env, target_ulong arg1)
1202
{
1203
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1204
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1205

    
1206
    if (other_tc == other->current_tc)
1207
        other->active_tc.CP0_TCContext = arg1;
1208
    else
1209
        other->tcs[other_tc].CP0_TCContext = arg1;
1210
}
1211

    
1212
void helper_mtc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1213
{
1214
    env->active_tc.CP0_TCSchedule = arg1;
1215
}
1216

    
1217
void helper_mttc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
1218
{
1219
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1220
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1221

    
1222
    if (other_tc == other->current_tc)
1223
        other->active_tc.CP0_TCSchedule = arg1;
1224
    else
1225
        other->tcs[other_tc].CP0_TCSchedule = arg1;
1226
}
1227

    
1228
void helper_mtc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1229
{
1230
    env->active_tc.CP0_TCScheFBack = arg1;
1231
}
1232

    
1233
void helper_mttc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
1234
{
1235
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1236
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1237

    
1238
    if (other_tc == other->current_tc)
1239
        other->active_tc.CP0_TCScheFBack = arg1;
1240
    else
1241
        other->tcs[other_tc].CP0_TCScheFBack = arg1;
1242
}
1243

    
1244
void helper_mtc0_entrylo1(CPUMIPSState *env, target_ulong arg1)
1245
{
1246
    /* Large physaddr (PABITS) not implemented */
1247
    /* 1k pages not implemented */
1248
    env->CP0_EntryLo1 = arg1 & 0x3FFFFFFF;
1249
}
1250

    
1251
void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1)
1252
{
1253
    env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF);
1254
}
1255

    
1256
void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1)
1257
{
1258
    /* 1k pages not implemented */
1259
    env->CP0_PageMask = arg1 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
1260
}
1261

    
1262
void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1)
1263
{
1264
    /* SmartMIPS not implemented */
1265
    /* Large physaddr (PABITS) not implemented */
1266
    /* 1k pages not implemented */
1267
    env->CP0_PageGrain = 0;
1268
}
1269

    
1270
void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1)
1271
{
1272
    env->CP0_Wired = arg1 % env->tlb->nb_tlb;
1273
}
1274

    
1275
void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1)
1276
{
1277
    env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask;
1278
}
1279

    
1280
void helper_mtc0_srsconf1(CPUMIPSState *env, target_ulong arg1)
1281
{
1282
    env->CP0_SRSConf1 |= arg1 & env->CP0_SRSConf1_rw_bitmask;
1283
}
1284

    
1285
void helper_mtc0_srsconf2(CPUMIPSState *env, target_ulong arg1)
1286
{
1287
    env->CP0_SRSConf2 |= arg1 & env->CP0_SRSConf2_rw_bitmask;
1288
}
1289

    
1290
void helper_mtc0_srsconf3(CPUMIPSState *env, target_ulong arg1)
1291
{
1292
    env->CP0_SRSConf3 |= arg1 & env->CP0_SRSConf3_rw_bitmask;
1293
}
1294

    
1295
void helper_mtc0_srsconf4(CPUMIPSState *env, target_ulong arg1)
1296
{
1297
    env->CP0_SRSConf4 |= arg1 & env->CP0_SRSConf4_rw_bitmask;
1298
}
1299

    
1300
void helper_mtc0_hwrena(CPUMIPSState *env, target_ulong arg1)
1301
{
1302
    env->CP0_HWREna = arg1 & 0x0000000F;
1303
}
1304

    
1305
void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
1306
{
1307
    cpu_mips_store_count(env, arg1);
1308
}
1309

    
1310
void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1311
{
1312
    target_ulong old, val;
1313

    
1314
    /* 1k pages not implemented */
1315
    val = arg1 & ((TARGET_PAGE_MASK << 1) | 0xFF);
1316
#if defined(TARGET_MIPS64)
1317
    val &= env->SEGMask;
1318
#endif
1319
    old = env->CP0_EntryHi;
1320
    env->CP0_EntryHi = val;
1321
    if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1322
        sync_c0_entryhi(env, env->current_tc);
1323
    }
1324
    /* If the ASID changes, flush qemu's TLB.  */
1325
    if ((old & 0xFF) != (val & 0xFF))
1326
        cpu_mips_tlb_flush(env, 1);
1327
}
1328

    
1329
void helper_mttc0_entryhi(CPUMIPSState *env, target_ulong arg1)
1330
{
1331
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1332
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1333

    
1334
    other->CP0_EntryHi = arg1;
1335
    sync_c0_entryhi(other, other_tc);
1336
}
1337

    
1338
void helper_mtc0_compare(CPUMIPSState *env, target_ulong arg1)
1339
{
1340
    cpu_mips_store_compare(env, arg1);
1341
}
1342

    
1343
void helper_mtc0_status(CPUMIPSState *env, target_ulong arg1)
1344
{
1345
    uint32_t val, old;
1346
    uint32_t mask = env->CP0_Status_rw_bitmask;
1347

    
1348
    val = arg1 & mask;
1349
    old = env->CP0_Status;
1350
    env->CP0_Status = (env->CP0_Status & ~mask) | val;
1351
    if (env->CP0_Config3 & (1 << CP0C3_MT)) {
1352
        sync_c0_status(env, env, env->current_tc);
1353
    } else {
1354
        compute_hflags(env);
1355
    }
1356

    
1357
    if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1358
        qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
1359
                old, old & env->CP0_Cause & CP0Ca_IP_mask,
1360
                val, val & env->CP0_Cause & CP0Ca_IP_mask,
1361
                env->CP0_Cause);
1362
        switch (env->hflags & MIPS_HFLAG_KSU) {
1363
        case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1364
        case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1365
        case MIPS_HFLAG_KM: qemu_log("\n"); break;
1366
        default: cpu_abort(env, "Invalid MMU mode!\n"); break;
1367
        }
1368
    }
1369
}
1370

    
1371
void helper_mttc0_status(CPUMIPSState *env, target_ulong arg1)
1372
{
1373
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1374
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1375

    
1376
    other->CP0_Status = arg1 & ~0xf1000018;
1377
    sync_c0_status(env, other, other_tc);
1378
}
1379

    
1380
void helper_mtc0_intctl(CPUMIPSState *env, target_ulong arg1)
1381
{
1382
    /* vectored interrupts not implemented, no performance counters. */
1383
    env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000003e0) | (arg1 & 0x000003e0);
1384
}
1385

    
1386
void helper_mtc0_srsctl(CPUMIPSState *env, target_ulong arg1)
1387
{
1388
    uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS);
1389
    env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (arg1 & mask);
1390
}
1391

    
1392
static void mtc0_cause(CPUMIPSState *cpu, target_ulong arg1)
1393
{
1394
    uint32_t mask = 0x00C00300;
1395
    uint32_t old = cpu->CP0_Cause;
1396
    int i;
1397

    
1398
    if (cpu->insn_flags & ISA_MIPS32R2) {
1399
        mask |= 1 << CP0Ca_DC;
1400
    }
1401

    
1402
    cpu->CP0_Cause = (cpu->CP0_Cause & ~mask) | (arg1 & mask);
1403

    
1404
    if ((old ^ cpu->CP0_Cause) & (1 << CP0Ca_DC)) {
1405
        if (cpu->CP0_Cause & (1 << CP0Ca_DC)) {
1406
            cpu_mips_stop_count(cpu);
1407
        } else {
1408
            cpu_mips_start_count(cpu);
1409
        }
1410
    }
1411

    
1412
    /* Set/reset software interrupts */
1413
    for (i = 0 ; i < 2 ; i++) {
1414
        if ((old ^ cpu->CP0_Cause) & (1 << (CP0Ca_IP + i))) {
1415
            cpu_mips_soft_irq(cpu, i, cpu->CP0_Cause & (1 << (CP0Ca_IP + i)));
1416
        }
1417
    }
1418
}
1419

    
1420
void helper_mtc0_cause(CPUMIPSState *env, target_ulong arg1)
1421
{
1422
    mtc0_cause(env, arg1);
1423
}
1424

    
1425
void helper_mttc0_cause(CPUMIPSState *env, target_ulong arg1)
1426
{
1427
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1428
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1429

    
1430
    mtc0_cause(other, arg1);
1431
}
1432

    
1433
target_ulong helper_mftc0_epc(CPUMIPSState *env)
1434
{
1435
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1436
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1437

    
1438
    return other->CP0_EPC;
1439
}
1440

    
1441
target_ulong helper_mftc0_ebase(CPUMIPSState *env)
1442
{
1443
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1444
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1445

    
1446
    return other->CP0_EBase;
1447
}
1448

    
1449
void helper_mtc0_ebase(CPUMIPSState *env, target_ulong arg1)
1450
{
1451
    /* vectored interrupts not implemented */
1452
    env->CP0_EBase = (env->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1453
}
1454

    
1455
void helper_mttc0_ebase(CPUMIPSState *env, target_ulong arg1)
1456
{
1457
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1458
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1459
    other->CP0_EBase = (other->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
1460
}
1461

    
1462
target_ulong helper_mftc0_configx(CPUMIPSState *env, target_ulong idx)
1463
{
1464
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1465
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1466

    
1467
    switch (idx) {
1468
    case 0: return other->CP0_Config0;
1469
    case 1: return other->CP0_Config1;
1470
    case 2: return other->CP0_Config2;
1471
    case 3: return other->CP0_Config3;
1472
    /* 4 and 5 are reserved.  */
1473
    case 6: return other->CP0_Config6;
1474
    case 7: return other->CP0_Config7;
1475
    default:
1476
        break;
1477
    }
1478
    return 0;
1479
}
1480

    
1481
void helper_mtc0_config0(CPUMIPSState *env, target_ulong arg1)
1482
{
1483
    env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (arg1 & 0x00000007);
1484
}
1485

    
1486
void helper_mtc0_config2(CPUMIPSState *env, target_ulong arg1)
1487
{
1488
    /* tertiary/secondary caches not implemented */
1489
    env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1490
}
1491

    
1492
void helper_mtc0_lladdr(CPUMIPSState *env, target_ulong arg1)
1493
{
1494
    target_long mask = env->CP0_LLAddr_rw_bitmask;
1495
    arg1 = arg1 << env->CP0_LLAddr_shift;
1496
    env->lladdr = (env->lladdr & ~mask) | (arg1 & mask);
1497
}
1498

    
1499
void helper_mtc0_watchlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1500
{
1501
    /* Watch exceptions for instructions, data loads, data stores
1502
       not implemented. */
1503
    env->CP0_WatchLo[sel] = (arg1 & ~0x7);
1504
}
1505

    
1506
void helper_mtc0_watchhi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1507
{
1508
    env->CP0_WatchHi[sel] = (arg1 & 0x40FF0FF8);
1509
    env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & arg1 & 0x7);
1510
}
1511

    
1512
void helper_mtc0_xcontext(CPUMIPSState *env, target_ulong arg1)
1513
{
1514
    target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
1515
    env->CP0_XContext = (env->CP0_XContext & mask) | (arg1 & ~mask);
1516
}
1517

    
1518
void helper_mtc0_framemask(CPUMIPSState *env, target_ulong arg1)
1519
{
1520
    env->CP0_Framemask = arg1; /* XXX */
1521
}
1522

    
1523
void helper_mtc0_debug(CPUMIPSState *env, target_ulong arg1)
1524
{
1525
    env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (arg1 & 0x13300120);
1526
    if (arg1 & (1 << CP0DB_DM))
1527
        env->hflags |= MIPS_HFLAG_DM;
1528
    else
1529
        env->hflags &= ~MIPS_HFLAG_DM;
1530
}
1531

    
1532
void helper_mttc0_debug(CPUMIPSState *env, target_ulong arg1)
1533
{
1534
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1535
    uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
1536
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1537

    
1538
    /* XXX: Might be wrong, check with EJTAG spec. */
1539
    if (other_tc == other->current_tc)
1540
        other->active_tc.CP0_Debug_tcstatus = val;
1541
    else
1542
        other->tcs[other_tc].CP0_Debug_tcstatus = val;
1543
    other->CP0_Debug = (other->CP0_Debug &
1544
                     ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
1545
                     (arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
1546
}
1547

    
1548
void helper_mtc0_performance0(CPUMIPSState *env, target_ulong arg1)
1549
{
1550
    env->CP0_Performance0 = arg1 & 0x000007ff;
1551
}
1552

    
1553
void helper_mtc0_taglo(CPUMIPSState *env, target_ulong arg1)
1554
{
1555
    env->CP0_TagLo = arg1 & 0xFFFFFCF6;
1556
}
1557

    
1558
void helper_mtc0_datalo(CPUMIPSState *env, target_ulong arg1)
1559
{
1560
    env->CP0_DataLo = arg1; /* XXX */
1561
}
1562

    
1563
void helper_mtc0_taghi(CPUMIPSState *env, target_ulong arg1)
1564
{
1565
    env->CP0_TagHi = arg1; /* XXX */
1566
}
1567

    
1568
void helper_mtc0_datahi(CPUMIPSState *env, target_ulong arg1)
1569
{
1570
    env->CP0_DataHi = arg1; /* XXX */
1571
}
1572

    
1573
/* MIPS MT functions */
1574
target_ulong helper_mftgpr(CPUMIPSState *env, uint32_t sel)
1575
{
1576
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1577
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1578

    
1579
    if (other_tc == other->current_tc)
1580
        return other->active_tc.gpr[sel];
1581
    else
1582
        return other->tcs[other_tc].gpr[sel];
1583
}
1584

    
1585
target_ulong helper_mftlo(CPUMIPSState *env, uint32_t sel)
1586
{
1587
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1588
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1589

    
1590
    if (other_tc == other->current_tc)
1591
        return other->active_tc.LO[sel];
1592
    else
1593
        return other->tcs[other_tc].LO[sel];
1594
}
1595

    
1596
target_ulong helper_mfthi(CPUMIPSState *env, uint32_t sel)
1597
{
1598
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1599
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1600

    
1601
    if (other_tc == other->current_tc)
1602
        return other->active_tc.HI[sel];
1603
    else
1604
        return other->tcs[other_tc].HI[sel];
1605
}
1606

    
1607
target_ulong helper_mftacx(CPUMIPSState *env, uint32_t sel)
1608
{
1609
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1610
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1611

    
1612
    if (other_tc == other->current_tc)
1613
        return other->active_tc.ACX[sel];
1614
    else
1615
        return other->tcs[other_tc].ACX[sel];
1616
}
1617

    
1618
target_ulong helper_mftdsp(CPUMIPSState *env)
1619
{
1620
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1621
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1622

    
1623
    if (other_tc == other->current_tc)
1624
        return other->active_tc.DSPControl;
1625
    else
1626
        return other->tcs[other_tc].DSPControl;
1627
}
1628

    
1629
void helper_mttgpr(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1630
{
1631
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1632
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1633

    
1634
    if (other_tc == other->current_tc)
1635
        other->active_tc.gpr[sel] = arg1;
1636
    else
1637
        other->tcs[other_tc].gpr[sel] = arg1;
1638
}
1639

    
1640
void helper_mttlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1641
{
1642
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1643
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1644

    
1645
    if (other_tc == other->current_tc)
1646
        other->active_tc.LO[sel] = arg1;
1647
    else
1648
        other->tcs[other_tc].LO[sel] = arg1;
1649
}
1650

    
1651
void helper_mtthi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1652
{
1653
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1654
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1655

    
1656
    if (other_tc == other->current_tc)
1657
        other->active_tc.HI[sel] = arg1;
1658
    else
1659
        other->tcs[other_tc].HI[sel] = arg1;
1660
}
1661

    
1662
void helper_mttacx(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
1663
{
1664
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1665
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1666

    
1667
    if (other_tc == other->current_tc)
1668
        other->active_tc.ACX[sel] = arg1;
1669
    else
1670
        other->tcs[other_tc].ACX[sel] = arg1;
1671
}
1672

    
1673
void helper_mttdsp(CPUMIPSState *env, target_ulong arg1)
1674
{
1675
    int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
1676
    CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
1677

    
1678
    if (other_tc == other->current_tc)
1679
        other->active_tc.DSPControl = arg1;
1680
    else
1681
        other->tcs[other_tc].DSPControl = arg1;
1682
}
1683

    
1684
/* MIPS MT functions */
1685
target_ulong helper_dmt(void)
1686
{
1687
    // TODO
1688
     return 0;
1689
}
1690

    
1691
target_ulong helper_emt(void)
1692
{
1693
    // TODO
1694
    return 0;
1695
}
1696

    
1697
target_ulong helper_dvpe(CPUMIPSState *env)
1698
{
1699
    CPUMIPSState *other_cpu_env = first_cpu;
1700
    target_ulong prev = env->mvp->CP0_MVPControl;
1701

    
1702
    do {
1703
        /* Turn off all VPEs except the one executing the dvpe.  */
1704
        if (other_cpu_env != env) {
1705
            MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1706

    
1707
            other_cpu_env->mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
1708
            mips_vpe_sleep(other_cpu);
1709
        }
1710
        other_cpu_env = other_cpu_env->next_cpu;
1711
    } while (other_cpu_env);
1712
    return prev;
1713
}
1714

    
1715
target_ulong helper_evpe(CPUMIPSState *env)
1716
{
1717
    CPUMIPSState *other_cpu_env = first_cpu;
1718
    target_ulong prev = env->mvp->CP0_MVPControl;
1719

    
1720
    do {
1721
        MIPSCPU *other_cpu = mips_env_get_cpu(other_cpu_env);
1722

    
1723
        if (other_cpu_env != env
1724
            /* If the VPE is WFI, don't disturb its sleep.  */
1725
            && !mips_vpe_is_wfi(other_cpu)) {
1726
            /* Enable the VPE.  */
1727
            other_cpu_env->mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
1728
            mips_vpe_wake(other_cpu); /* And wake it up.  */
1729
        }
1730
        other_cpu_env = other_cpu_env->next_cpu;
1731
    } while (other_cpu_env);
1732
    return prev;
1733
}
1734
#endif /* !CONFIG_USER_ONLY */
1735

    
1736
void helper_fork(target_ulong arg1, target_ulong arg2)
1737
{
1738
    // arg1 = rt, arg2 = rs
1739
    arg1 = 0;
1740
    // TODO: store to TC register
1741
}
1742

    
1743
target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
1744
{
1745
    target_long arg1 = arg;
1746

    
1747
    if (arg1 < 0) {
1748
        /* No scheduling policy implemented. */
1749
        if (arg1 != -2) {
1750
            if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
1751
                env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
1752
                env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1753
                env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
1754
                helper_raise_exception(env, EXCP_THREAD);
1755
            }
1756
        }
1757
    } else if (arg1 == 0) {
1758
        if (0 /* TODO: TC underflow */) {
1759
            env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1760
            helper_raise_exception(env, EXCP_THREAD);
1761
        } else {
1762
            // TODO: Deallocate TC
1763
        }
1764
    } else if (arg1 > 0) {
1765
        /* Yield qualifier inputs not implemented. */
1766
        env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
1767
        env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
1768
        helper_raise_exception(env, EXCP_THREAD);
1769
    }
1770
    return env->CP0_YQMask;
1771
}
1772

    
1773
#ifndef CONFIG_USER_ONLY
1774
/* TLB management */
1775
static void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global)
1776
{
1777
    /* Flush qemu's TLB and discard all shadowed entries.  */
1778
    tlb_flush (env, flush_global);
1779
    env->tlb->tlb_in_use = env->tlb->nb_tlb;
1780
}
1781

    
1782
static void r4k_mips_tlb_flush_extra (CPUMIPSState *env, int first)
1783
{
1784
    /* Discard entries from env->tlb[first] onwards.  */
1785
    while (env->tlb->tlb_in_use > first) {
1786
        r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
1787
    }
1788
}
1789

    
1790
static void r4k_fill_tlb(CPUMIPSState *env, int idx)
1791
{
1792
    r4k_tlb_t *tlb;
1793

    
1794
    /* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
1795
    tlb = &env->tlb->mmu.r4k.tlb[idx];
1796
    tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1797
#if defined(TARGET_MIPS64)
1798
    tlb->VPN &= env->SEGMask;
1799
#endif
1800
    tlb->ASID = env->CP0_EntryHi & 0xFF;
1801
    tlb->PageMask = env->CP0_PageMask;
1802
    tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1803
    tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
1804
    tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
1805
    tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7;
1806
    tlb->PFN[0] = (env->CP0_EntryLo0 >> 6) << 12;
1807
    tlb->V1 = (env->CP0_EntryLo1 & 2) != 0;
1808
    tlb->D1 = (env->CP0_EntryLo1 & 4) != 0;
1809
    tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7;
1810
    tlb->PFN[1] = (env->CP0_EntryLo1 >> 6) << 12;
1811
}
1812

    
1813
void r4k_helper_tlbwi(CPUMIPSState *env)
1814
{
1815
    r4k_tlb_t *tlb;
1816
    int idx;
1817
    target_ulong VPN;
1818
    uint8_t ASID;
1819
    bool G, V0, D0, V1, D1;
1820

    
1821
    idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1822
    tlb = &env->tlb->mmu.r4k.tlb[idx];
1823
    VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
1824
#if defined(TARGET_MIPS64)
1825
    VPN &= env->SEGMask;
1826
#endif
1827
    ASID = env->CP0_EntryHi & 0xff;
1828
    G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
1829
    V0 = (env->CP0_EntryLo0 & 2) != 0;
1830
    D0 = (env->CP0_EntryLo0 & 4) != 0;
1831
    V1 = (env->CP0_EntryLo1 & 2) != 0;
1832
    D1 = (env->CP0_EntryLo1 & 4) != 0;
1833

    
1834
    /* Discard cached TLB entries, unless tlbwi is just upgrading access
1835
       permissions on the current entry. */
1836
    if (tlb->VPN != VPN || tlb->ASID != ASID || tlb->G != G ||
1837
        (tlb->V0 && !V0) || (tlb->D0 && !D0) ||
1838
        (tlb->V1 && !V1) || (tlb->D1 && !D1)) {
1839
        r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
1840
    }
1841

    
1842
    r4k_invalidate_tlb(env, idx, 0);
1843
    r4k_fill_tlb(env, idx);
1844
}
1845

    
1846
void r4k_helper_tlbwr(CPUMIPSState *env)
1847
{
1848
    int r = cpu_mips_get_random(env);
1849

    
1850
    r4k_invalidate_tlb(env, r, 1);
1851
    r4k_fill_tlb(env, r);
1852
}
1853

    
1854
void r4k_helper_tlbp(CPUMIPSState *env)
1855
{
1856
    r4k_tlb_t *tlb;
1857
    target_ulong mask;
1858
    target_ulong tag;
1859
    target_ulong VPN;
1860
    uint8_t ASID;
1861
    int i;
1862

    
1863
    ASID = env->CP0_EntryHi & 0xFF;
1864
    for (i = 0; i < env->tlb->nb_tlb; i++) {
1865
        tlb = &env->tlb->mmu.r4k.tlb[i];
1866
        /* 1k pages are not supported. */
1867
        mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1868
        tag = env->CP0_EntryHi & ~mask;
1869
        VPN = tlb->VPN & ~mask;
1870
#if defined(TARGET_MIPS64)
1871
        tag &= env->SEGMask;
1872
#endif
1873
        /* Check ASID, virtual page number & size */
1874
        if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
1875
            /* TLB match */
1876
            env->CP0_Index = i;
1877
            break;
1878
        }
1879
    }
1880
    if (i == env->tlb->nb_tlb) {
1881
        /* No match.  Discard any shadow entries, if any of them match.  */
1882
        for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
1883
            tlb = &env->tlb->mmu.r4k.tlb[i];
1884
            /* 1k pages are not supported. */
1885
            mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
1886
            tag = env->CP0_EntryHi & ~mask;
1887
            VPN = tlb->VPN & ~mask;
1888
#if defined(TARGET_MIPS64)
1889
            tag &= env->SEGMask;
1890
#endif
1891
            /* Check ASID, virtual page number & size */
1892
            if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
1893
                r4k_mips_tlb_flush_extra (env, i);
1894
                break;
1895
            }
1896
        }
1897

    
1898
        env->CP0_Index |= 0x80000000;
1899
    }
1900
}
1901

    
1902
void r4k_helper_tlbr(CPUMIPSState *env)
1903
{
1904
    r4k_tlb_t *tlb;
1905
    uint8_t ASID;
1906
    int idx;
1907

    
1908
    ASID = env->CP0_EntryHi & 0xFF;
1909
    idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
1910
    tlb = &env->tlb->mmu.r4k.tlb[idx];
1911

    
1912
    /* If this will change the current ASID, flush qemu's TLB.  */
1913
    if (ASID != tlb->ASID)
1914
        cpu_mips_tlb_flush (env, 1);
1915

    
1916
    r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
1917

    
1918
    env->CP0_EntryHi = tlb->VPN | tlb->ASID;
1919
    env->CP0_PageMask = tlb->PageMask;
1920
    env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
1921
                        (tlb->C0 << 3) | (tlb->PFN[0] >> 6);
1922
    env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |
1923
                        (tlb->C1 << 3) | (tlb->PFN[1] >> 6);
1924
}
1925

    
1926
void helper_tlbwi(CPUMIPSState *env)
1927
{
1928
    env->tlb->helper_tlbwi(env);
1929
}
1930

    
1931
void helper_tlbwr(CPUMIPSState *env)
1932
{
1933
    env->tlb->helper_tlbwr(env);
1934
}
1935

    
1936
void helper_tlbp(CPUMIPSState *env)
1937
{
1938
    env->tlb->helper_tlbp(env);
1939
}
1940

    
1941
void helper_tlbr(CPUMIPSState *env)
1942
{
1943
    env->tlb->helper_tlbr(env);
1944
}
1945

    
1946
/* Specials */
1947
target_ulong helper_di(CPUMIPSState *env)
1948
{
1949
    target_ulong t0 = env->CP0_Status;
1950

    
1951
    env->CP0_Status = t0 & ~(1 << CP0St_IE);
1952
    return t0;
1953
}
1954

    
1955
target_ulong helper_ei(CPUMIPSState *env)
1956
{
1957
    target_ulong t0 = env->CP0_Status;
1958

    
1959
    env->CP0_Status = t0 | (1 << CP0St_IE);
1960
    return t0;
1961
}
1962

    
1963
static void debug_pre_eret(CPUMIPSState *env)
1964
{
1965
    if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1966
        qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
1967
                env->active_tc.PC, env->CP0_EPC);
1968
        if (env->CP0_Status & (1 << CP0St_ERL))
1969
            qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
1970
        if (env->hflags & MIPS_HFLAG_DM)
1971
            qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
1972
        qemu_log("\n");
1973
    }
1974
}
1975

    
1976
static void debug_post_eret(CPUMIPSState *env)
1977
{
1978
    if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
1979
        qemu_log("  =>  PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
1980
                env->active_tc.PC, env->CP0_EPC);
1981
        if (env->CP0_Status & (1 << CP0St_ERL))
1982
            qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
1983
        if (env->hflags & MIPS_HFLAG_DM)
1984
            qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
1985
        switch (env->hflags & MIPS_HFLAG_KSU) {
1986
        case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
1987
        case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
1988
        case MIPS_HFLAG_KM: qemu_log("\n"); break;
1989
        default: cpu_abort(env, "Invalid MMU mode!\n"); break;
1990
        }
1991
    }
1992
}
1993

    
1994
static void set_pc(CPUMIPSState *env, target_ulong error_pc)
1995
{
1996
    env->active_tc.PC = error_pc & ~(target_ulong)1;
1997
    if (error_pc & 1) {
1998
        env->hflags |= MIPS_HFLAG_M16;
1999
    } else {
2000
        env->hflags &= ~(MIPS_HFLAG_M16);
2001
    }
2002
}
2003

    
2004
void helper_eret(CPUMIPSState *env)
2005
{
2006
    debug_pre_eret(env);
2007
    if (env->CP0_Status & (1 << CP0St_ERL)) {
2008
        set_pc(env, env->CP0_ErrorEPC);
2009
        env->CP0_Status &= ~(1 << CP0St_ERL);
2010
    } else {
2011
        set_pc(env, env->CP0_EPC);
2012
        env->CP0_Status &= ~(1 << CP0St_EXL);
2013
    }
2014
    compute_hflags(env);
2015
    debug_post_eret(env);
2016
    env->lladdr = 1;
2017
}
2018

    
2019
void helper_deret(CPUMIPSState *env)
2020
{
2021
    debug_pre_eret(env);
2022
    set_pc(env, env->CP0_DEPC);
2023

    
2024
    env->hflags &= MIPS_HFLAG_DM;
2025
    compute_hflags(env);
2026
    debug_post_eret(env);
2027
    env->lladdr = 1;
2028
}
2029
#endif /* !CONFIG_USER_ONLY */
2030

    
2031
target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
2032
{
2033
    if ((env->hflags & MIPS_HFLAG_CP0) ||
2034
        (env->CP0_HWREna & (1 << 0)))
2035
        return env->CP0_EBase & 0x3ff;
2036
    else
2037
        helper_raise_exception(env, EXCP_RI);
2038

    
2039
    return 0;
2040
}
2041

    
2042
target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
2043
{
2044
    if ((env->hflags & MIPS_HFLAG_CP0) ||
2045
        (env->CP0_HWREna & (1 << 1)))
2046
        return env->SYNCI_Step;
2047
    else
2048
        helper_raise_exception(env, EXCP_RI);
2049

    
2050
    return 0;
2051
}
2052

    
2053
target_ulong helper_rdhwr_cc(CPUMIPSState *env)
2054
{
2055
    if ((env->hflags & MIPS_HFLAG_CP0) ||
2056
        (env->CP0_HWREna & (1 << 2)))
2057
        return env->CP0_Count;
2058
    else
2059
        helper_raise_exception(env, EXCP_RI);
2060

    
2061
    return 0;
2062
}
2063

    
2064
target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
2065
{
2066
    if ((env->hflags & MIPS_HFLAG_CP0) ||
2067
        (env->CP0_HWREna & (1 << 3)))
2068
        return env->CCRes;
2069
    else
2070
        helper_raise_exception(env, EXCP_RI);
2071

    
2072
    return 0;
2073
}
2074

    
2075
void helper_pmon(CPUMIPSState *env, int function)
2076
{
2077
    function /= 2;
2078
    switch (function) {
2079
    case 2: /* TODO: char inbyte(int waitflag); */
2080
        if (env->active_tc.gpr[4] == 0)
2081
            env->active_tc.gpr[2] = -1;
2082
        /* Fall through */
2083
    case 11: /* TODO: char inbyte (void); */
2084
        env->active_tc.gpr[2] = -1;
2085
        break;
2086
    case 3:
2087
    case 12:
2088
        printf("%c", (char)(env->active_tc.gpr[4] & 0xFF));
2089
        break;
2090
    case 17:
2091
        break;
2092
    case 158:
2093
        {
2094
            unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
2095
            printf("%s", fmt);
2096
        }
2097
        break;
2098
    }
2099
}
2100

    
2101
void helper_wait(CPUMIPSState *env)
2102
{
2103
    CPUState *cs = CPU(mips_env_get_cpu(env));
2104

    
2105
    cs->halted = 1;
2106
    cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
2107
    helper_raise_exception(env, EXCP_HLT);
2108
}
2109

    
2110
#if !defined(CONFIG_USER_ONLY)
2111

    
2112
static void QEMU_NORETURN do_unaligned_access(CPUMIPSState *env,
2113
                                              target_ulong addr, int is_write,
2114
                                              int is_user, uintptr_t retaddr);
2115

    
2116
#define MMUSUFFIX _mmu
2117
#define ALIGNED_ONLY
2118

    
2119
#define SHIFT 0
2120
#include "exec/softmmu_template.h"
2121

    
2122
#define SHIFT 1
2123
#include "exec/softmmu_template.h"
2124

    
2125
#define SHIFT 2
2126
#include "exec/softmmu_template.h"
2127

    
2128
#define SHIFT 3
2129
#include "exec/softmmu_template.h"
2130

    
2131
static void do_unaligned_access(CPUMIPSState *env, target_ulong addr,
2132
                                int is_write, int is_user, uintptr_t retaddr)
2133
{
2134
    env->CP0_BadVAddr = addr;
2135
    do_raise_exception(env, (is_write == 1) ? EXCP_AdES : EXCP_AdEL, retaddr);
2136
}
2137

    
2138
void tlb_fill(CPUMIPSState *env, target_ulong addr, int is_write, int mmu_idx,
2139
              uintptr_t retaddr)
2140
{
2141
    int ret;
2142

    
2143
    ret = cpu_mips_handle_mmu_fault(env, addr, is_write, mmu_idx);
2144
    if (ret) {
2145
        do_raise_exception_err(env, env->exception_index,
2146
                               env->error_code, retaddr);
2147
    }
2148
}
2149

    
2150
void mips_cpu_unassigned_access(CPUState *cs, hwaddr addr,
2151
                                bool is_write, bool is_exec, int unused,
2152
                                unsigned size)
2153
{
2154
    MIPSCPU *cpu = MIPS_CPU(cs);
2155
    CPUMIPSState *env = &cpu->env;
2156

    
2157
    if (is_exec) {
2158
        helper_raise_exception(env, EXCP_IBE);
2159
    } else {
2160
        helper_raise_exception(env, EXCP_DBE);
2161
    }
2162
}
2163
#endif /* !CONFIG_USER_ONLY */
2164

    
2165
/* Complex FPU operations which may need stack space. */
2166

    
2167
#define FLOAT_TWO32 make_float32(1 << 30)
2168
#define FLOAT_TWO64 make_float64(1ULL << 62)
2169
#define FP_TO_INT32_OVERFLOW 0x7fffffff
2170
#define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL
2171

    
2172
/* convert MIPS rounding mode in FCR31 to IEEE library */
2173
static unsigned int ieee_rm[] = {
2174
    float_round_nearest_even,
2175
    float_round_to_zero,
2176
    float_round_up,
2177
    float_round_down
2178
};
2179

    
2180
static inline void restore_rounding_mode(CPUMIPSState *env)
2181
{
2182
    set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3],
2183
                            &env->active_fpu.fp_status);
2184
}
2185

    
2186
static inline void restore_flush_mode(CPUMIPSState *env)
2187
{
2188
    set_flush_to_zero((env->active_fpu.fcr31 & (1 << 24)) != 0,
2189
                      &env->active_fpu.fp_status);
2190
}
2191

    
2192
target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
2193
{
2194
    target_ulong arg1;
2195

    
2196
    switch (reg) {
2197
    case 0:
2198
        arg1 = (int32_t)env->active_fpu.fcr0;
2199
        break;
2200
    case 25:
2201
        arg1 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1);
2202
        break;
2203
    case 26:
2204
        arg1 = env->active_fpu.fcr31 & 0x0003f07c;
2205
        break;
2206
    case 28:
2207
        arg1 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4);
2208
        break;
2209
    default:
2210
        arg1 = (int32_t)env->active_fpu.fcr31;
2211
        break;
2212
    }
2213

    
2214
    return arg1;
2215
}
2216

    
2217
void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t reg)
2218
{
2219
    switch(reg) {
2220
    case 25:
2221
        if (arg1 & 0xffffff00)
2222
            return;
2223
        env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((arg1 & 0xfe) << 24) |
2224
                     ((arg1 & 0x1) << 23);
2225
        break;
2226
    case 26:
2227
        if (arg1 & 0x007c0000)
2228
            return;
2229
        env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (arg1 & 0x0003f07c);
2230
        break;
2231
    case 28:
2232
        if (arg1 & 0x007c0000)
2233
            return;
2234
        env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (arg1 & 0x00000f83) |
2235
                     ((arg1 & 0x4) << 22);
2236
        break;
2237
    case 31:
2238
        if (arg1 & 0x007c0000)
2239
            return;
2240
        env->active_fpu.fcr31 = arg1;
2241
        break;
2242
    default:
2243
        return;
2244
    }
2245
    /* set rounding mode */
2246
    restore_rounding_mode(env);
2247
    /* set flush-to-zero mode */
2248
    restore_flush_mode(env);
2249
    set_float_exception_flags(0, &env->active_fpu.fp_status);
2250
    if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31))
2251
        do_raise_exception(env, EXCP_FPE, GETPC());
2252
}
2253

    
2254
static inline int ieee_ex_to_mips(int xcpt)
2255
{
2256
    int ret = 0;
2257
    if (xcpt) {
2258
        if (xcpt & float_flag_invalid) {
2259
            ret |= FP_INVALID;
2260
        }
2261
        if (xcpt & float_flag_overflow) {
2262
            ret |= FP_OVERFLOW;
2263
        }
2264
        if (xcpt & float_flag_underflow) {
2265
            ret |= FP_UNDERFLOW;
2266
        }
2267
        if (xcpt & float_flag_divbyzero) {
2268
            ret |= FP_DIV0;
2269
        }
2270
        if (xcpt & float_flag_inexact) {
2271
            ret |= FP_INEXACT;
2272
        }
2273
    }
2274
    return ret;
2275
}
2276

    
2277
static inline void update_fcr31(CPUMIPSState *env, uintptr_t pc)
2278
{
2279
    int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
2280

    
2281
    SET_FP_CAUSE(env->active_fpu.fcr31, tmp);
2282

    
2283
    if (tmp) {
2284
        set_float_exception_flags(0, &env->active_fpu.fp_status);
2285

    
2286
        if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp) {
2287
            do_raise_exception(env, EXCP_FPE, pc);
2288
        } else {
2289
            UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp);
2290
        }
2291
    }
2292
}
2293

    
2294
/* Float support.
2295
   Single precition routines have a "s" suffix, double precision a
2296
   "d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
2297
   paired single lower "pl", paired single upper "pu".  */
2298

    
2299
/* unary operations, modifying fp status  */
2300
uint64_t helper_float_sqrt_d(CPUMIPSState *env, uint64_t fdt0)
2301
{
2302
    fdt0 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2303
    update_fcr31(env, GETPC());
2304
    return fdt0;
2305
}
2306

    
2307
uint32_t helper_float_sqrt_s(CPUMIPSState *env, uint32_t fst0)
2308
{
2309
    fst0 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2310
    update_fcr31(env, GETPC());
2311
    return fst0;
2312
}
2313

    
2314
uint64_t helper_float_cvtd_s(CPUMIPSState *env, uint32_t fst0)
2315
{
2316
    uint64_t fdt2;
2317

    
2318
    fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status);
2319
    update_fcr31(env, GETPC());
2320
    return fdt2;
2321
}
2322

    
2323
uint64_t helper_float_cvtd_w(CPUMIPSState *env, uint32_t wt0)
2324
{
2325
    uint64_t fdt2;
2326

    
2327
    fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status);
2328
    update_fcr31(env, GETPC());
2329
    return fdt2;
2330
}
2331

    
2332
uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0)
2333
{
2334
    uint64_t fdt2;
2335

    
2336
    fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status);
2337
    update_fcr31(env, GETPC());
2338
    return fdt2;
2339
}
2340

    
2341
uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
2342
{
2343
    uint64_t dt2;
2344

    
2345
    dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2346
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2347
        & (float_flag_invalid | float_flag_overflow)) {
2348
        dt2 = FP_TO_INT64_OVERFLOW;
2349
    }
2350
    update_fcr31(env, GETPC());
2351
    return dt2;
2352
}
2353

    
2354
uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0)
2355
{
2356
    uint64_t dt2;
2357

    
2358
    dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2359
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2360
        & (float_flag_invalid | float_flag_overflow)) {
2361
        dt2 = FP_TO_INT64_OVERFLOW;
2362
    }
2363
    update_fcr31(env, GETPC());
2364
    return dt2;
2365
}
2366

    
2367
uint64_t helper_float_cvtps_pw(CPUMIPSState *env, uint64_t dt0)
2368
{
2369
    uint32_t fst2;
2370
    uint32_t fsth2;
2371

    
2372
    fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2373
    fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
2374
    update_fcr31(env, GETPC());
2375
    return ((uint64_t)fsth2 << 32) | fst2;
2376
}
2377

    
2378
uint64_t helper_float_cvtpw_ps(CPUMIPSState *env, uint64_t fdt0)
2379
{
2380
    uint32_t wt2;
2381
    uint32_t wth2;
2382
    int excp, excph;
2383

    
2384
    wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2385
    excp = get_float_exception_flags(&env->active_fpu.fp_status);
2386
    if (excp & (float_flag_overflow | float_flag_invalid)) {
2387
        wt2 = FP_TO_INT32_OVERFLOW;
2388
    }
2389

    
2390
    set_float_exception_flags(0, &env->active_fpu.fp_status);
2391
    wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
2392
    excph = get_float_exception_flags(&env->active_fpu.fp_status);
2393
    if (excph & (float_flag_overflow | float_flag_invalid)) {
2394
        wth2 = FP_TO_INT32_OVERFLOW;
2395
    }
2396

    
2397
    set_float_exception_flags(excp | excph, &env->active_fpu.fp_status);
2398
    update_fcr31(env, GETPC());
2399

    
2400
    return ((uint64_t)wth2 << 32) | wt2;
2401
}
2402

    
2403
uint32_t helper_float_cvts_d(CPUMIPSState *env, uint64_t fdt0)
2404
{
2405
    uint32_t fst2;
2406

    
2407
    fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status);
2408
    update_fcr31(env, GETPC());
2409
    return fst2;
2410
}
2411

    
2412
uint32_t helper_float_cvts_w(CPUMIPSState *env, uint32_t wt0)
2413
{
2414
    uint32_t fst2;
2415

    
2416
    fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status);
2417
    update_fcr31(env, GETPC());
2418
    return fst2;
2419
}
2420

    
2421
uint32_t helper_float_cvts_l(CPUMIPSState *env, uint64_t dt0)
2422
{
2423
    uint32_t fst2;
2424

    
2425
    fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status);
2426
    update_fcr31(env, GETPC());
2427
    return fst2;
2428
}
2429

    
2430
uint32_t helper_float_cvts_pl(CPUMIPSState *env, uint32_t wt0)
2431
{
2432
    uint32_t wt2;
2433

    
2434
    wt2 = wt0;
2435
    update_fcr31(env, GETPC());
2436
    return wt2;
2437
}
2438

    
2439
uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0)
2440
{
2441
    uint32_t wt2;
2442

    
2443
    wt2 = wth0;
2444
    update_fcr31(env, GETPC());
2445
    return wt2;
2446
}
2447

    
2448
uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
2449
{
2450
    uint32_t wt2;
2451

    
2452
    wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2453
    update_fcr31(env, GETPC());
2454
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2455
        & (float_flag_invalid | float_flag_overflow)) {
2456
        wt2 = FP_TO_INT32_OVERFLOW;
2457
    }
2458
    return wt2;
2459
}
2460

    
2461
uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
2462
{
2463
    uint32_t wt2;
2464

    
2465
    wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2466
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2467
        & (float_flag_invalid | float_flag_overflow)) {
2468
        wt2 = FP_TO_INT32_OVERFLOW;
2469
    }
2470
    update_fcr31(env, GETPC());
2471
    return wt2;
2472
}
2473

    
2474
uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
2475
{
2476
    uint64_t dt2;
2477

    
2478
    set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2479
    dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2480
    restore_rounding_mode(env);
2481
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2482
        & (float_flag_invalid | float_flag_overflow)) {
2483
        dt2 = FP_TO_INT64_OVERFLOW;
2484
    }
2485
    update_fcr31(env, GETPC());
2486
    return dt2;
2487
}
2488

    
2489
uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
2490
{
2491
    uint64_t dt2;
2492

    
2493
    set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2494
    dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2495
    restore_rounding_mode(env);
2496
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2497
        & (float_flag_invalid | float_flag_overflow)) {
2498
        dt2 = FP_TO_INT64_OVERFLOW;
2499
    }
2500
    update_fcr31(env, GETPC());
2501
    return dt2;
2502
}
2503

    
2504
uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
2505
{
2506
    uint32_t wt2;
2507

    
2508
    set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2509
    wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2510
    restore_rounding_mode(env);
2511
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2512
        & (float_flag_invalid | float_flag_overflow)) {
2513
        wt2 = FP_TO_INT32_OVERFLOW;
2514
    }
2515
    update_fcr31(env, GETPC());
2516
    return wt2;
2517
}
2518

    
2519
uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
2520
{
2521
    uint32_t wt2;
2522

    
2523
    set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
2524
    wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2525
    restore_rounding_mode(env);
2526
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2527
        & (float_flag_invalid | float_flag_overflow)) {
2528
        wt2 = FP_TO_INT32_OVERFLOW;
2529
    }
2530
    update_fcr31(env, GETPC());
2531
    return wt2;
2532
}
2533

    
2534
uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
2535
{
2536
    uint64_t dt2;
2537

    
2538
    dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status);
2539
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2540
        & (float_flag_invalid | float_flag_overflow)) {
2541
        dt2 = FP_TO_INT64_OVERFLOW;
2542
    }
2543
    update_fcr31(env, GETPC());
2544
    return dt2;
2545
}
2546

    
2547
uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
2548
{
2549
    uint64_t dt2;
2550

    
2551
    dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status);
2552
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2553
        & (float_flag_invalid | float_flag_overflow)) {
2554
        dt2 = FP_TO_INT64_OVERFLOW;
2555
    }
2556
    update_fcr31(env, GETPC());
2557
    return dt2;
2558
}
2559

    
2560
uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
2561
{
2562
    uint32_t wt2;
2563

    
2564
    wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status);
2565
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2566
        & (float_flag_invalid | float_flag_overflow)) {
2567
        wt2 = FP_TO_INT32_OVERFLOW;
2568
    }
2569
    update_fcr31(env, GETPC());
2570
    return wt2;
2571
}
2572

    
2573
uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
2574
{
2575
    uint32_t wt2;
2576

    
2577
    wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status);
2578
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2579
        & (float_flag_invalid | float_flag_overflow)) {
2580
        wt2 = FP_TO_INT32_OVERFLOW;
2581
    }
2582
    update_fcr31(env, GETPC());
2583
    return wt2;
2584
}
2585

    
2586
uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
2587
{
2588
    uint64_t dt2;
2589

    
2590
    set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2591
    dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2592
    restore_rounding_mode(env);
2593
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2594
        & (float_flag_invalid | float_flag_overflow)) {
2595
        dt2 = FP_TO_INT64_OVERFLOW;
2596
    }
2597
    update_fcr31(env, GETPC());
2598
    return dt2;
2599
}
2600

    
2601
uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
2602
{
2603
    uint64_t dt2;
2604

    
2605
    set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2606
    dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2607
    restore_rounding_mode(env);
2608
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2609
        & (float_flag_invalid | float_flag_overflow)) {
2610
        dt2 = FP_TO_INT64_OVERFLOW;
2611
    }
2612
    update_fcr31(env, GETPC());
2613
    return dt2;
2614
}
2615

    
2616
uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
2617
{
2618
    uint32_t wt2;
2619

    
2620
    set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2621
    wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2622
    restore_rounding_mode(env);
2623
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2624
        & (float_flag_invalid | float_flag_overflow)) {
2625
        wt2 = FP_TO_INT32_OVERFLOW;
2626
    }
2627
    update_fcr31(env, GETPC());
2628
    return wt2;
2629
}
2630

    
2631
uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
2632
{
2633
    uint32_t wt2;
2634

    
2635
    set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
2636
    wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2637
    restore_rounding_mode(env);
2638
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2639
        & (float_flag_invalid | float_flag_overflow)) {
2640
        wt2 = FP_TO_INT32_OVERFLOW;
2641
    }
2642
    update_fcr31(env, GETPC());
2643
    return wt2;
2644
}
2645

    
2646
uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
2647
{
2648
    uint64_t dt2;
2649

    
2650
    set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2651
    dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
2652
    restore_rounding_mode(env);
2653
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2654
        & (float_flag_invalid | float_flag_overflow)) {
2655
        dt2 = FP_TO_INT64_OVERFLOW;
2656
    }
2657
    update_fcr31(env, GETPC());
2658
    return dt2;
2659
}
2660

    
2661
uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
2662
{
2663
    uint64_t dt2;
2664

    
2665
    set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2666
    dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
2667
    restore_rounding_mode(env);
2668
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2669
        & (float_flag_invalid | float_flag_overflow)) {
2670
        dt2 = FP_TO_INT64_OVERFLOW;
2671
    }
2672
    update_fcr31(env, GETPC());
2673
    return dt2;
2674
}
2675

    
2676
uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
2677
{
2678
    uint32_t wt2;
2679

    
2680
    set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2681
    wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
2682
    restore_rounding_mode(env);
2683
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2684
        & (float_flag_invalid | float_flag_overflow)) {
2685
        wt2 = FP_TO_INT32_OVERFLOW;
2686
    }
2687
    update_fcr31(env, GETPC());
2688
    return wt2;
2689
}
2690

    
2691
uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
2692
{
2693
    uint32_t wt2;
2694

    
2695
    set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
2696
    wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
2697
    restore_rounding_mode(env);
2698
    if (get_float_exception_flags(&env->active_fpu.fp_status)
2699
        & (float_flag_invalid | float_flag_overflow)) {
2700
        wt2 = FP_TO_INT32_OVERFLOW;
2701
    }
2702
    update_fcr31(env, GETPC());
2703
    return wt2;
2704
}
2705

    
2706
/* unary operations, not modifying fp status  */
2707
#define FLOAT_UNOP(name)                                       \
2708
uint64_t helper_float_ ## name ## _d(uint64_t fdt0)                \
2709
{                                                              \
2710
    return float64_ ## name(fdt0);                             \
2711
}                                                              \
2712
uint32_t helper_float_ ## name ## _s(uint32_t fst0)                \
2713
{                                                              \
2714
    return float32_ ## name(fst0);                             \
2715
}                                                              \
2716
uint64_t helper_float_ ## name ## _ps(uint64_t fdt0)               \
2717
{                                                              \
2718
    uint32_t wt0;                                              \
2719
    uint32_t wth0;                                             \
2720
                                                               \
2721
    wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF);                 \
2722
    wth0 = float32_ ## name(fdt0 >> 32);                       \
2723
    return ((uint64_t)wth0 << 32) | wt0;                       \
2724
}
2725
FLOAT_UNOP(abs)
2726
FLOAT_UNOP(chs)
2727
#undef FLOAT_UNOP
2728

    
2729
/* MIPS specific unary operations */
2730
uint64_t helper_float_recip_d(CPUMIPSState *env, uint64_t fdt0)
2731
{
2732
    uint64_t fdt2;
2733

    
2734
    fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2735
    update_fcr31(env, GETPC());
2736
    return fdt2;
2737
}
2738

    
2739
uint32_t helper_float_recip_s(CPUMIPSState *env, uint32_t fst0)
2740
{
2741
    uint32_t fst2;
2742

    
2743
    fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2744
    update_fcr31(env, GETPC());
2745
    return fst2;
2746
}
2747

    
2748
uint64_t helper_float_rsqrt_d(CPUMIPSState *env, uint64_t fdt0)
2749
{
2750
    uint64_t fdt2;
2751

    
2752
    fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2753
    fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2754
    update_fcr31(env, GETPC());
2755
    return fdt2;
2756
}
2757

    
2758
uint32_t helper_float_rsqrt_s(CPUMIPSState *env, uint32_t fst0)
2759
{
2760
    uint32_t fst2;
2761

    
2762
    fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2763
    fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2764
    update_fcr31(env, GETPC());
2765
    return fst2;
2766
}
2767

    
2768
uint64_t helper_float_recip1_d(CPUMIPSState *env, uint64_t fdt0)
2769
{
2770
    uint64_t fdt2;
2771

    
2772
    fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
2773
    update_fcr31(env, GETPC());
2774
    return fdt2;
2775
}
2776

    
2777
uint32_t helper_float_recip1_s(CPUMIPSState *env, uint32_t fst0)
2778
{
2779
    uint32_t fst2;
2780

    
2781
    fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
2782
    update_fcr31(env, GETPC());
2783
    return fst2;
2784
}
2785

    
2786
uint64_t helper_float_recip1_ps(CPUMIPSState *env, uint64_t fdt0)
2787
{
2788
    uint32_t fst2;
2789
    uint32_t fsth2;
2790

    
2791
    fst2 = float32_div(float32_one, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2792
    fsth2 = float32_div(float32_one, fdt0 >> 32, &env->active_fpu.fp_status);
2793
    update_fcr31(env, GETPC());
2794
    return ((uint64_t)fsth2 << 32) | fst2;
2795
}
2796

    
2797
uint64_t helper_float_rsqrt1_d(CPUMIPSState *env, uint64_t fdt0)
2798
{
2799
    uint64_t fdt2;
2800

    
2801
    fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
2802
    fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
2803
    update_fcr31(env, GETPC());
2804
    return fdt2;
2805
}
2806

    
2807
uint32_t helper_float_rsqrt1_s(CPUMIPSState *env, uint32_t fst0)
2808
{
2809
    uint32_t fst2;
2810

    
2811
    fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
2812
    fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2813
    update_fcr31(env, GETPC());
2814
    return fst2;
2815
}
2816

    
2817
uint64_t helper_float_rsqrt1_ps(CPUMIPSState *env, uint64_t fdt0)
2818
{
2819
    uint32_t fst2;
2820
    uint32_t fsth2;
2821

    
2822
    fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
2823
    fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
2824
    fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
2825
    fsth2 = float32_div(float32_one, fsth2, &env->active_fpu.fp_status);
2826
    update_fcr31(env, GETPC());
2827
    return ((uint64_t)fsth2 << 32) | fst2;
2828
}
2829

    
2830
#define FLOAT_OP(name, p) void helper_float_##name##_##p(CPUMIPSState *env)
2831

    
2832
/* binary operations */
2833
#define FLOAT_BINOP(name)                                          \
2834
uint64_t helper_float_ ## name ## _d(CPUMIPSState *env,            \
2835
                                     uint64_t fdt0, uint64_t fdt1) \
2836
{                                                                  \
2837
    uint64_t dt2;                                                  \
2838
                                                                   \
2839
    dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status);     \
2840
    update_fcr31(env, GETPC());                                    \
2841
    return dt2;                                                    \
2842
}                                                                  \
2843
                                                                   \
2844
uint32_t helper_float_ ## name ## _s(CPUMIPSState *env,            \
2845
                                     uint32_t fst0, uint32_t fst1) \
2846
{                                                                  \
2847
    uint32_t wt2;                                                  \
2848
                                                                   \
2849
    wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status);     \
2850
    update_fcr31(env, GETPC());                                    \
2851
    return wt2;                                                    \
2852
}                                                                  \
2853
                                                                   \
2854
uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env,           \
2855
                                      uint64_t fdt0,               \
2856
                                      uint64_t fdt1)               \
2857
{                                                                  \
2858
    uint32_t fst0 = fdt0 & 0XFFFFFFFF;                             \
2859
    uint32_t fsth0 = fdt0 >> 32;                                   \
2860
    uint32_t fst1 = fdt1 & 0XFFFFFFFF;                             \
2861
    uint32_t fsth1 = fdt1 >> 32;                                   \
2862
    uint32_t wt2;                                                  \
2863
    uint32_t wth2;                                                 \
2864
                                                                   \
2865
    wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status);     \
2866
    wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status);  \
2867
    update_fcr31(env, GETPC());                                    \
2868
    return ((uint64_t)wth2 << 32) | wt2;                           \
2869
}
2870

    
2871
FLOAT_BINOP(add)
2872
FLOAT_BINOP(sub)
2873
FLOAT_BINOP(mul)
2874
FLOAT_BINOP(div)
2875
#undef FLOAT_BINOP
2876

    
2877
#define UNFUSED_FMA(prefix, a, b, c, flags)                          \
2878
{                                                                    \
2879
    a = prefix##_mul(a, b, &env->active_fpu.fp_status);              \
2880
    if ((flags) & float_muladd_negate_c) {                           \
2881
        a = prefix##_sub(a, c, &env->active_fpu.fp_status);          \
2882
    } else {                                                         \
2883
        a = prefix##_add(a, c, &env->active_fpu.fp_status);          \
2884
    }                                                                \
2885
    if ((flags) & float_muladd_negate_result) {                      \
2886
        a = prefix##_chs(a);                                         \
2887
    }                                                                \
2888
}
2889

    
2890
/* FMA based operations */
2891
#define FLOAT_FMA(name, type)                                        \
2892
uint64_t helper_float_ ## name ## _d(CPUMIPSState *env,              \
2893
                                     uint64_t fdt0, uint64_t fdt1,   \
2894
                                     uint64_t fdt2)                  \
2895
{                                                                    \
2896
    UNFUSED_FMA(float64, fdt0, fdt1, fdt2, type);                    \
2897
    update_fcr31(env, GETPC());                                      \
2898
    return fdt0;                                                     \
2899
}                                                                    \
2900
                                                                     \
2901
uint32_t helper_float_ ## name ## _s(CPUMIPSState *env,              \
2902
                                     uint32_t fst0, uint32_t fst1,   \
2903
                                     uint32_t fst2)                  \
2904
{                                                                    \
2905
    UNFUSED_FMA(float32, fst0, fst1, fst2, type);                    \
2906
    update_fcr31(env, GETPC());                                      \
2907
    return fst0;                                                     \
2908
}                                                                    \
2909
                                                                     \
2910
uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env,             \
2911
                                      uint64_t fdt0, uint64_t fdt1,  \
2912
                                      uint64_t fdt2)                 \
2913
{                                                                    \
2914
    uint32_t fst0 = fdt0 & 0XFFFFFFFF;                               \
2915
    uint32_t fsth0 = fdt0 >> 32;                                     \
2916
    uint32_t fst1 = fdt1 & 0XFFFFFFFF;                               \
2917
    uint32_t fsth1 = fdt1 >> 32;                                     \
2918
    uint32_t fst2 = fdt2 & 0XFFFFFFFF;                               \
2919
    uint32_t fsth2 = fdt2 >> 32;                                     \
2920
                                                                     \
2921
    UNFUSED_FMA(float32, fst0, fst1, fst2, type);                    \
2922
    UNFUSED_FMA(float32, fsth0, fsth1, fsth2, type);                 \
2923
    update_fcr31(env, GETPC());                                      \
2924
    return ((uint64_t)fsth0 << 32) | fst0;                           \
2925
}
2926
FLOAT_FMA(madd, 0)
2927
FLOAT_FMA(msub, float_muladd_negate_c)
2928
FLOAT_FMA(nmadd, float_muladd_negate_result)
2929
FLOAT_FMA(nmsub, float_muladd_negate_result | float_muladd_negate_c)
2930
#undef FLOAT_FMA
2931

    
2932
/* MIPS specific binary operations */
2933
uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2934
{
2935
    fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
2936
    fdt2 = float64_chs(float64_sub(fdt2, float64_one, &env->active_fpu.fp_status));
2937
    update_fcr31(env, GETPC());
2938
    return fdt2;
2939
}
2940

    
2941
uint32_t helper_float_recip2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
2942
{
2943
    fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2944
    fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
2945
    update_fcr31(env, GETPC());
2946
    return fst2;
2947
}
2948

    
2949
uint64_t helper_float_recip2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2950
{
2951
    uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2952
    uint32_t fsth0 = fdt0 >> 32;
2953
    uint32_t fst2 = fdt2 & 0XFFFFFFFF;
2954
    uint32_t fsth2 = fdt2 >> 32;
2955

    
2956
    fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2957
    fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
2958
    fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
2959
    fsth2 = float32_chs(float32_sub(fsth2, float32_one, &env->active_fpu.fp_status));
2960
    update_fcr31(env, GETPC());
2961
    return ((uint64_t)fsth2 << 32) | fst2;
2962
}
2963

    
2964
uint64_t helper_float_rsqrt2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2965
{
2966
    fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
2967
    fdt2 = float64_sub(fdt2, float64_one, &env->active_fpu.fp_status);
2968
    fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status));
2969
    update_fcr31(env, GETPC());
2970
    return fdt2;
2971
}
2972

    
2973
uint32_t helper_float_rsqrt2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
2974
{
2975
    fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2976
    fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
2977
    fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
2978
    update_fcr31(env, GETPC());
2979
    return fst2;
2980
}
2981

    
2982
uint64_t helper_float_rsqrt2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
2983
{
2984
    uint32_t fst0 = fdt0 & 0XFFFFFFFF;
2985
    uint32_t fsth0 = fdt0 >> 32;
2986
    uint32_t fst2 = fdt2 & 0XFFFFFFFF;
2987
    uint32_t fsth2 = fdt2 >> 32;
2988

    
2989
    fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
2990
    fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
2991
    fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
2992
    fsth2 = float32_sub(fsth2, float32_one, &env->active_fpu.fp_status);
2993
    fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
2994
    fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status));
2995
    update_fcr31(env, GETPC());
2996
    return ((uint64_t)fsth2 << 32) | fst2;
2997
}
2998

    
2999
uint64_t helper_float_addr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3000
{
3001
    uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3002
    uint32_t fsth0 = fdt0 >> 32;
3003
    uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3004
    uint32_t fsth1 = fdt1 >> 32;
3005
    uint32_t fst2;
3006
    uint32_t fsth2;
3007

    
3008
    fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status);
3009
    fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status);
3010
    update_fcr31(env, GETPC());
3011
    return ((uint64_t)fsth2 << 32) | fst2;
3012
}
3013

    
3014
uint64_t helper_float_mulr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
3015
{
3016
    uint32_t fst0 = fdt0 & 0XFFFFFFFF;
3017
    uint32_t fsth0 = fdt0 >> 32;
3018
    uint32_t fst1 = fdt1 & 0XFFFFFFFF;
3019
    uint32_t fsth1 = fdt1 >> 32;
3020
    uint32_t fst2;
3021
    uint32_t fsth2;
3022

    
3023
    fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status);
3024
    fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status);
3025
    update_fcr31(env, GETPC());
3026
    return ((uint64_t)fsth2 << 32) | fst2;
3027
}
3028

    
3029
/* compare operations */
3030
#define FOP_COND_D(op, cond)                                   \
3031
void helper_cmp_d_ ## op(CPUMIPSState *env, uint64_t fdt0,     \
3032
                         uint64_t fdt1, int cc)                \
3033
{                                                              \
3034
    int c;                                                     \
3035
    c = cond;                                                  \
3036
    update_fcr31(env, GETPC());                                \
3037
    if (c)                                                     \
3038
        SET_FP_COND(cc, env->active_fpu);                      \
3039
    else                                                       \
3040
        CLEAR_FP_COND(cc, env->active_fpu);                    \
3041
}                                                              \
3042
void helper_cmpabs_d_ ## op(CPUMIPSState *env, uint64_t fdt0,  \
3043
                            uint64_t fdt1, int cc)             \
3044
{                                                              \
3045
    int c;                                                     \
3046
    fdt0 = float64_abs(fdt0);                                  \
3047
    fdt1 = float64_abs(fdt1);                                  \
3048
    c = cond;                                                  \
3049
    update_fcr31(env, GETPC());                                \
3050
    if (c)                                                     \
3051
        SET_FP_COND(cc, env->active_fpu);                      \
3052
    else                                                       \
3053
        CLEAR_FP_COND(cc, env->active_fpu);                    \
3054
}
3055

    
3056
/* NOTE: the comma operator will make "cond" to eval to false,
3057
 * but float64_unordered_quiet() is still called. */
3058
FOP_COND_D(f,   (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3059
FOP_COND_D(un,  float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status))
3060
FOP_COND_D(eq,  float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3061
FOP_COND_D(ueq, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)  || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3062
FOP_COND_D(olt, float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3063
FOP_COND_D(ult, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)  || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3064
FOP_COND_D(ole, float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3065
FOP_COND_D(ule, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)  || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
3066
/* NOTE: the comma operator will make "cond" to eval to false,
3067
 * but float64_unordered() is still called. */
3068
FOP_COND_D(sf,  (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
3069
FOP_COND_D(ngle,float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status))
3070
FOP_COND_D(seq, float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3071
FOP_COND_D(ngl, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)  || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
3072
FOP_COND_D(lt,  float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3073
FOP_COND_D(nge, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)  || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
3074
FOP_COND_D(le,  float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3075
FOP_COND_D(ngt, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)  || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
3076

    
3077
#define FOP_COND_S(op, cond)                                   \
3078
void helper_cmp_s_ ## op(CPUMIPSState *env, uint32_t fst0,     \
3079
                         uint32_t fst1, int cc)                \
3080
{                                                              \
3081
    int c;                                                     \
3082
    c = cond;                                                  \
3083
    update_fcr31(env, GETPC());                                \
3084
    if (c)                                                     \
3085
        SET_FP_COND(cc, env->active_fpu);                      \
3086
    else                                                       \
3087
        CLEAR_FP_COND(cc, env->active_fpu);                    \
3088
}                                                              \
3089
void helper_cmpabs_s_ ## op(CPUMIPSState *env, uint32_t fst0,  \
3090
                            uint32_t fst1, int cc)             \
3091
{                                                              \
3092
    int c;                                                     \
3093
    fst0 = float32_abs(fst0);                                  \
3094
    fst1 = float32_abs(fst1);                                  \
3095
    c = cond;                                                  \
3096
    update_fcr31(env, GETPC());                                \
3097
    if (c)                                                     \
3098
        SET_FP_COND(cc, env->active_fpu);                      \
3099
    else                                                       \
3100
        CLEAR_FP_COND(cc, env->active_fpu);                    \
3101
}
3102

    
3103
/* NOTE: the comma operator will make "cond" to eval to false,
3104
 * but float32_unordered_quiet() is still called. */
3105
FOP_COND_S(f,   (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
3106
FOP_COND_S(un,  float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status))
3107
FOP_COND_S(eq,  float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3108
FOP_COND_S(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)  || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
3109
FOP_COND_S(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3110
FOP_COND_S(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)  || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
3111
FOP_COND_S(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3112
FOP_COND_S(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)  || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
3113
/* NOTE: the comma operator will make "cond" to eval to false,
3114
 * but float32_unordered() is still called. */
3115
FOP_COND_S(sf,  (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
3116
FOP_COND_S(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status))
3117
FOP_COND_S(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3118
FOP_COND_S(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status)  || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
3119
FOP_COND_S(lt,  float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3120
FOP_COND_S(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status)  || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
3121
FOP_COND_S(le,  float32_le(fst0, fst1, &env->active_fpu.fp_status))
3122
FOP_COND_S(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status)  || float32_le(fst0, fst1, &env->active_fpu.fp_status))
3123

    
3124
#define FOP_COND_PS(op, condl, condh)                           \
3125
void helper_cmp_ps_ ## op(CPUMIPSState *env, uint64_t fdt0,     \
3126
                          uint64_t fdt1, int cc)                \
3127
{                                                               \
3128
    uint32_t fst0, fsth0, fst1, fsth1;                          \
3129
    int ch, cl;                                                 \
3130
    fst0 = fdt0 & 0XFFFFFFFF;                                   \
3131
    fsth0 = fdt0 >> 32;                                         \
3132
    fst1 = fdt1 & 0XFFFFFFFF;                                   \
3133
    fsth1 = fdt1 >> 32;                                         \
3134
    cl = condl;                                                 \
3135
    ch = condh;                                                 \
3136
    update_fcr31(env, GETPC());                                 \
3137
    if (cl)                                                     \
3138
        SET_FP_COND(cc, env->active_fpu);                       \
3139
    else                                                        \
3140
        CLEAR_FP_COND(cc, env->active_fpu);                     \
3141
    if (ch)                                                     \
3142
        SET_FP_COND(cc + 1, env->active_fpu);                   \
3143
    else                                                        \
3144
        CLEAR_FP_COND(cc + 1, env->active_fpu);                 \
3145
}                                                               \
3146
void helper_cmpabs_ps_ ## op(CPUMIPSState *env, uint64_t fdt0,  \
3147
                             uint64_t fdt1, int cc)             \
3148
{                                                               \
3149
    uint32_t fst0, fsth0, fst1, fsth1;                          \
3150
    int ch, cl;                                                 \
3151
    fst0 = float32_abs(fdt0 & 0XFFFFFFFF);                      \
3152
    fsth0 = float32_abs(fdt0 >> 32);                            \
3153
    fst1 = float32_abs(fdt1 & 0XFFFFFFFF);                      \
3154
    fsth1 = float32_abs(fdt1 >> 32);                            \
3155
    cl = condl;                                                 \
3156
    ch = condh;                                                 \
3157
    update_fcr31(env, GETPC());                                 \
3158
    if (cl)                                                     \
3159
        SET_FP_COND(cc, env->active_fpu);                       \
3160
    else                                                        \
3161
        CLEAR_FP_COND(cc, env->active_fpu);                     \
3162
    if (ch)                                                     \
3163
        SET_FP_COND(cc + 1, env->active_fpu);                   \
3164
    else                                                        \
3165
        CLEAR_FP_COND(cc + 1, env->active_fpu);                 \
3166
}
3167

    
3168
/* NOTE: the comma operator will make "cond" to eval to false,
3169
 * but float32_unordered_quiet() is still called. */
3170
FOP_COND_PS(f,   (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0),
3171
                 (float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3172
FOP_COND_PS(un,  float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status),
3173
                 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status))
3174
FOP_COND_PS(eq,  float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3175
                 float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3176
FOP_COND_PS(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)    || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
3177
                 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status)  || float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3178
FOP_COND_PS(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3179
                 float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3180
FOP_COND_PS(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)    || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
3181
                 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status)  || float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3182
FOP_COND_PS(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3183
                 float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3184
FOP_COND_PS(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)    || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
3185
                 float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status)  || float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
3186
/* NOTE: the comma operator will make "cond" to eval to false,
3187
 * but float32_unordered() is still called. */
3188
FOP_COND_PS(sf,  (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0),
3189
                 (float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status), 0))
3190
FOP_COND_PS(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status),
3191
                 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status))
3192
FOP_COND_PS(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3193
                 float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3194
FOP_COND_PS(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status)    || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
3195
                 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status)  || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
3196
FOP_COND_PS(lt,  float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3197
                 float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3198
FOP_COND_PS(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status)    || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
3199
                 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status)  || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
3200
FOP_COND_PS(le,  float32_le(fst0, fst1, &env->active_fpu.fp_status),
3201
                 float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
3202
FOP_COND_PS(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status)    || float32_le(fst0, fst1, &env->active_fpu.fp_status),
3203
                 float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status)  || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))