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1
/*
2
   SPARC translation
3

4
   Copyright (C) 2003 Thomas M. Ogrisegg <tom@fnord.at>
5
   Copyright (C) 2003-2005 Fabrice Bellard
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7
   This library is free software; you can redistribute it and/or
8
   modify it under the terms of the GNU Lesser General Public
9
   License as published by the Free Software Foundation; either
10
   version 2 of the License, or (at your option) any later version.
11

12
   This library is distributed in the hope that it will be useful,
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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
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   Lesser General Public License for more details.
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17
   You should have received a copy of the GNU Lesser General Public
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   License along with this library; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20
 */
21

    
22
/*
23
   TODO-list:
24

25
   Rest of V9 instructions, VIS instructions
26
   NPC/PC static optimisations (use JUMP_TB when possible)
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   Optimize synthetic instructions
28
   128-bit float
29
*/
30

    
31
#include <stdarg.h>
32
#include <stdlib.h>
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#include <stdio.h>
34
#include <string.h>
35
#include <inttypes.h>
36

    
37
#include "cpu.h"
38
#include "exec-all.h"
39
#include "disas.h"
40

    
41
#define DEBUG_DISAS
42

    
43
#define DYNAMIC_PC  1 /* dynamic pc value */
44
#define JUMP_PC     2 /* dynamic pc value which takes only two values
45
                         according to jump_pc[T2] */
46

    
47
typedef struct DisasContext {
48
    target_ulong pc;        /* current Program Counter: integer or DYNAMIC_PC */
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    target_ulong npc;        /* next PC: integer or DYNAMIC_PC or JUMP_PC */
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    target_ulong jump_pc[2]; /* used when JUMP_PC pc value is used */
51
    int is_br;
52
    int mem_idx;
53
    int fpu_enabled;
54
    struct TranslationBlock *tb;
55
} DisasContext;
56

    
57
struct sparc_def_t {
58
    const unsigned char *name;
59
    target_ulong iu_version;
60
    uint32_t fpu_version;
61
    uint32_t mmu_version;
62
};
63

    
64
static uint16_t *gen_opc_ptr;
65
static uint32_t *gen_opparam_ptr;
66
extern FILE *logfile;
67
extern int loglevel;
68

    
69
enum {
70
#define DEF(s,n,copy_size) INDEX_op_ ## s,
71
#include "opc.h"
72
#undef DEF
73
    NB_OPS
74
};
75

    
76
#include "gen-op.h"
77

    
78
// This function uses non-native bit order
79
#define GET_FIELD(X, FROM, TO) \
80
  ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
81

    
82
// This function uses the order in the manuals, i.e. bit 0 is 2^0
83
#define GET_FIELD_SP(X, FROM, TO) \
84
    GET_FIELD(X, 31 - (TO), 31 - (FROM))
85

    
86
#define GET_FIELDs(x,a,b) sign_extend (GET_FIELD(x,a,b), (b) - (a) + 1)
87
#define GET_FIELD_SPs(x,a,b) sign_extend (GET_FIELD_SP(x,a,b), 32 - ((b) - (a) + 1))
88

    
89
#ifdef TARGET_SPARC64
90
#define DFPREG(r) (((r & 1) << 6) | (r & 0x1e))
91
#else
92
#define DFPREG(r) (r & 0x1e)
93
#endif
94

    
95
#ifdef USE_DIRECT_JUMP
96
#define TBPARAM(x)
97
#else
98
#define TBPARAM(x) (long)(x)
99
#endif
100

    
101
static int sign_extend(int x, int len)
102
{
103
    len = 32 - len;
104
    return (x << len) >> len;
105
}
106

    
107
#define IS_IMM (insn & (1<<13))
108

    
109
static void disas_sparc_insn(DisasContext * dc);
110

    
111
static GenOpFunc * const gen_op_movl_TN_reg[2][32] = {
112
    {
113
     gen_op_movl_g0_T0,
114
     gen_op_movl_g1_T0,
115
     gen_op_movl_g2_T0,
116
     gen_op_movl_g3_T0,
117
     gen_op_movl_g4_T0,
118
     gen_op_movl_g5_T0,
119
     gen_op_movl_g6_T0,
120
     gen_op_movl_g7_T0,
121
     gen_op_movl_o0_T0,
122
     gen_op_movl_o1_T0,
123
     gen_op_movl_o2_T0,
124
     gen_op_movl_o3_T0,
125
     gen_op_movl_o4_T0,
126
     gen_op_movl_o5_T0,
127
     gen_op_movl_o6_T0,
128
     gen_op_movl_o7_T0,
129
     gen_op_movl_l0_T0,
130
     gen_op_movl_l1_T0,
131
     gen_op_movl_l2_T0,
132
     gen_op_movl_l3_T0,
133
     gen_op_movl_l4_T0,
134
     gen_op_movl_l5_T0,
135
     gen_op_movl_l6_T0,
136
     gen_op_movl_l7_T0,
137
     gen_op_movl_i0_T0,
138
     gen_op_movl_i1_T0,
139
     gen_op_movl_i2_T0,
140
     gen_op_movl_i3_T0,
141
     gen_op_movl_i4_T0,
142
     gen_op_movl_i5_T0,
143
     gen_op_movl_i6_T0,
144
     gen_op_movl_i7_T0,
145
     },
146
    {
147
     gen_op_movl_g0_T1,
148
     gen_op_movl_g1_T1,
149
     gen_op_movl_g2_T1,
150
     gen_op_movl_g3_T1,
151
     gen_op_movl_g4_T1,
152
     gen_op_movl_g5_T1,
153
     gen_op_movl_g6_T1,
154
     gen_op_movl_g7_T1,
155
     gen_op_movl_o0_T1,
156
     gen_op_movl_o1_T1,
157
     gen_op_movl_o2_T1,
158
     gen_op_movl_o3_T1,
159
     gen_op_movl_o4_T1,
160
     gen_op_movl_o5_T1,
161
     gen_op_movl_o6_T1,
162
     gen_op_movl_o7_T1,
163
     gen_op_movl_l0_T1,
164
     gen_op_movl_l1_T1,
165
     gen_op_movl_l2_T1,
166
     gen_op_movl_l3_T1,
167
     gen_op_movl_l4_T1,
168
     gen_op_movl_l5_T1,
169
     gen_op_movl_l6_T1,
170
     gen_op_movl_l7_T1,
171
     gen_op_movl_i0_T1,
172
     gen_op_movl_i1_T1,
173
     gen_op_movl_i2_T1,
174
     gen_op_movl_i3_T1,
175
     gen_op_movl_i4_T1,
176
     gen_op_movl_i5_T1,
177
     gen_op_movl_i6_T1,
178
     gen_op_movl_i7_T1,
179
     }
180
};
181

    
182
static GenOpFunc * const gen_op_movl_reg_TN[3][32] = {
183
    {
184
     gen_op_movl_T0_g0,
185
     gen_op_movl_T0_g1,
186
     gen_op_movl_T0_g2,
187
     gen_op_movl_T0_g3,
188
     gen_op_movl_T0_g4,
189
     gen_op_movl_T0_g5,
190
     gen_op_movl_T0_g6,
191
     gen_op_movl_T0_g7,
192
     gen_op_movl_T0_o0,
193
     gen_op_movl_T0_o1,
194
     gen_op_movl_T0_o2,
195
     gen_op_movl_T0_o3,
196
     gen_op_movl_T0_o4,
197
     gen_op_movl_T0_o5,
198
     gen_op_movl_T0_o6,
199
     gen_op_movl_T0_o7,
200
     gen_op_movl_T0_l0,
201
     gen_op_movl_T0_l1,
202
     gen_op_movl_T0_l2,
203
     gen_op_movl_T0_l3,
204
     gen_op_movl_T0_l4,
205
     gen_op_movl_T0_l5,
206
     gen_op_movl_T0_l6,
207
     gen_op_movl_T0_l7,
208
     gen_op_movl_T0_i0,
209
     gen_op_movl_T0_i1,
210
     gen_op_movl_T0_i2,
211
     gen_op_movl_T0_i3,
212
     gen_op_movl_T0_i4,
213
     gen_op_movl_T0_i5,
214
     gen_op_movl_T0_i6,
215
     gen_op_movl_T0_i7,
216
     },
217
    {
218
     gen_op_movl_T1_g0,
219
     gen_op_movl_T1_g1,
220
     gen_op_movl_T1_g2,
221
     gen_op_movl_T1_g3,
222
     gen_op_movl_T1_g4,
223
     gen_op_movl_T1_g5,
224
     gen_op_movl_T1_g6,
225
     gen_op_movl_T1_g7,
226
     gen_op_movl_T1_o0,
227
     gen_op_movl_T1_o1,
228
     gen_op_movl_T1_o2,
229
     gen_op_movl_T1_o3,
230
     gen_op_movl_T1_o4,
231
     gen_op_movl_T1_o5,
232
     gen_op_movl_T1_o6,
233
     gen_op_movl_T1_o7,
234
     gen_op_movl_T1_l0,
235
     gen_op_movl_T1_l1,
236
     gen_op_movl_T1_l2,
237
     gen_op_movl_T1_l3,
238
     gen_op_movl_T1_l4,
239
     gen_op_movl_T1_l5,
240
     gen_op_movl_T1_l6,
241
     gen_op_movl_T1_l7,
242
     gen_op_movl_T1_i0,
243
     gen_op_movl_T1_i1,
244
     gen_op_movl_T1_i2,
245
     gen_op_movl_T1_i3,
246
     gen_op_movl_T1_i4,
247
     gen_op_movl_T1_i5,
248
     gen_op_movl_T1_i6,
249
     gen_op_movl_T1_i7,
250
     },
251
    {
252
     gen_op_movl_T2_g0,
253
     gen_op_movl_T2_g1,
254
     gen_op_movl_T2_g2,
255
     gen_op_movl_T2_g3,
256
     gen_op_movl_T2_g4,
257
     gen_op_movl_T2_g5,
258
     gen_op_movl_T2_g6,
259
     gen_op_movl_T2_g7,
260
     gen_op_movl_T2_o0,
261
     gen_op_movl_T2_o1,
262
     gen_op_movl_T2_o2,
263
     gen_op_movl_T2_o3,
264
     gen_op_movl_T2_o4,
265
     gen_op_movl_T2_o5,
266
     gen_op_movl_T2_o6,
267
     gen_op_movl_T2_o7,
268
     gen_op_movl_T2_l0,
269
     gen_op_movl_T2_l1,
270
     gen_op_movl_T2_l2,
271
     gen_op_movl_T2_l3,
272
     gen_op_movl_T2_l4,
273
     gen_op_movl_T2_l5,
274
     gen_op_movl_T2_l6,
275
     gen_op_movl_T2_l7,
276
     gen_op_movl_T2_i0,
277
     gen_op_movl_T2_i1,
278
     gen_op_movl_T2_i2,
279
     gen_op_movl_T2_i3,
280
     gen_op_movl_T2_i4,
281
     gen_op_movl_T2_i5,
282
     gen_op_movl_T2_i6,
283
     gen_op_movl_T2_i7,
284
     }
285
};
286

    
287
static GenOpFunc1 * const gen_op_movl_TN_im[3] = {
288
    gen_op_movl_T0_im,
289
    gen_op_movl_T1_im,
290
    gen_op_movl_T2_im
291
};
292

    
293
// Sign extending version
294
static GenOpFunc1 * const gen_op_movl_TN_sim[3] = {
295
    gen_op_movl_T0_sim,
296
    gen_op_movl_T1_sim,
297
    gen_op_movl_T2_sim
298
};
299

    
300
#ifdef TARGET_SPARC64
301
#define GEN32(func, NAME) \
302
static GenOpFunc * const NAME ## _table [64] = {                              \
303
NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3,                                   \
304
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7,                                   \
305
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11,                                 \
306
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15,                               \
307
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19,                               \
308
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23,                               \
309
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27,                               \
310
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31,                               \
311
NAME ## 32, 0, NAME ## 34, 0, NAME ## 36, 0, NAME ## 38, 0,                   \
312
NAME ## 40, 0, NAME ## 42, 0, NAME ## 44, 0, NAME ## 46, 0,                   \
313
NAME ## 48, 0, NAME ## 50, 0, NAME ## 52, 0, NAME ## 54, 0,                   \
314
NAME ## 56, 0, NAME ## 58, 0, NAME ## 60, 0, NAME ## 62, 0,                   \
315
};                                                                            \
316
static inline void func(int n)                                                \
317
{                                                                             \
318
    NAME ## _table[n]();                                                      \
319
}
320
#else
321
#define GEN32(func, NAME) \
322
static GenOpFunc *const NAME ## _table [32] = {                               \
323
NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3,                                   \
324
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7,                                   \
325
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11,                                 \
326
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15,                               \
327
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19,                               \
328
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23,                               \
329
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27,                               \
330
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31,                               \
331
};                                                                            \
332
static inline void func(int n)                                                \
333
{                                                                             \
334
    NAME ## _table[n]();                                                      \
335
}
336
#endif
337

    
338
/* floating point registers moves */
339
GEN32(gen_op_load_fpr_FT0, gen_op_load_fpr_FT0_fprf);
340
GEN32(gen_op_load_fpr_FT1, gen_op_load_fpr_FT1_fprf);
341
GEN32(gen_op_store_FT0_fpr, gen_op_store_FT0_fpr_fprf);
342
GEN32(gen_op_store_FT1_fpr, gen_op_store_FT1_fpr_fprf);
343

    
344
GEN32(gen_op_load_fpr_DT0, gen_op_load_fpr_DT0_fprf);
345
GEN32(gen_op_load_fpr_DT1, gen_op_load_fpr_DT1_fprf);
346
GEN32(gen_op_store_DT0_fpr, gen_op_store_DT0_fpr_fprf);
347
GEN32(gen_op_store_DT1_fpr, gen_op_store_DT1_fpr_fprf);
348

    
349
#ifdef TARGET_SPARC64
350
// 'a' versions allowed to user depending on asi
351
#if defined(CONFIG_USER_ONLY)
352
#define supervisor(dc) 0
353
#define hypervisor(dc) 0
354
#define gen_op_ldst(name)        gen_op_##name##_raw()
355
#define OP_LD_TABLE(width)                                                \
356
    static void gen_op_##width##a(int insn, int is_ld, int size, int sign) \
357
    {                                                                        \
358
        int asi, offset;                                                \
359
                                                                        \
360
        if (IS_IMM) {                                                        \
361
            offset = GET_FIELD(insn, 25, 31);                                \
362
            if (is_ld)                                                        \
363
                gen_op_ld_asi_reg(offset, size, sign);                        \
364
            else                                                        \
365
                gen_op_st_asi_reg(offset, size, sign);                        \
366
            return;                                                        \
367
        }                                                                \
368
        asi = GET_FIELD(insn, 19, 26);                                        \
369
        switch (asi) {                                                        \
370
        case 0x80: /* Primary address space */                                \
371
            gen_op_##width##_raw();                                        \
372
            break;                                                        \
373
        case 0x82: /* Primary address space, non-faulting load */       \
374
            gen_op_##width##_raw();                                        \
375
            break;                                                        \
376
        default:                                                        \
377
            break;                                                        \
378
        }                                                                \
379
    }
380

    
381
#else
382
#define gen_op_ldst(name)        (*gen_op_##name[dc->mem_idx])()
383
#define OP_LD_TABLE(width)                                                \
384
    static GenOpFunc * const gen_op_##width[] = {                       \
385
        &gen_op_##width##_user,                                                \
386
        &gen_op_##width##_kernel,                                        \
387
    };                                                                        \
388
                                                                        \
389
    static void gen_op_##width##a(int insn, int is_ld, int size, int sign) \
390
    {                                                                        \
391
        int asi, offset;                                                \
392
                                                                        \
393
        if (IS_IMM) {                                                        \
394
            offset = GET_FIELD(insn, 25, 31);                                \
395
            if (is_ld)                                                        \
396
                gen_op_ld_asi_reg(offset, size, sign);                        \
397
            else                                                        \
398
                gen_op_st_asi_reg(offset, size, sign);                        \
399
            return;                                                        \
400
        }                                                                \
401
        asi = GET_FIELD(insn, 19, 26);                                        \
402
        if (is_ld)                                                        \
403
            gen_op_ld_asi(asi, size, sign);                                \
404
        else                                                                \
405
            gen_op_st_asi(asi, size, sign);                                \
406
    }
407

    
408
#define supervisor(dc) (dc->mem_idx == 1)
409
#define hypervisor(dc) (dc->mem_idx == 2)
410
#endif
411
#else
412
#if defined(CONFIG_USER_ONLY)
413
#define gen_op_ldst(name)        gen_op_##name##_raw()
414
#define OP_LD_TABLE(width)
415
#define supervisor(dc) 0
416
#else
417
#define gen_op_ldst(name)        (*gen_op_##name[dc->mem_idx])()
418
#define OP_LD_TABLE(width)                                                      \
419
static GenOpFunc * const gen_op_##width[] = {                                 \
420
    &gen_op_##width##_user,                                                   \
421
    &gen_op_##width##_kernel,                                                 \
422
};                                                                            \
423
                                                                              \
424
static void gen_op_##width##a(int insn, int is_ld, int size, int sign)        \
425
{                                                                             \
426
    int asi;                                                                  \
427
                                                                              \
428
    asi = GET_FIELD(insn, 19, 26);                                            \
429
    switch (asi) {                                                            \
430
        case 10: /* User data access */                                       \
431
            gen_op_##width##_user();                                          \
432
            break;                                                            \
433
        case 11: /* Supervisor data access */                                 \
434
            gen_op_##width##_kernel();                                        \
435
            break;                                                            \
436
        case 0x20 ... 0x2f: /* MMU passthrough */                              \
437
            if (is_ld)                                                        \
438
                gen_op_ld_asi(asi, size, sign);                                      \
439
            else                                                              \
440
                gen_op_st_asi(asi, size, sign);                                      \
441
            break;                                                            \
442
        default:                                                              \
443
            if (is_ld)                                                        \
444
                gen_op_ld_asi(asi, size, sign);                                      \
445
            else                                                              \
446
                gen_op_st_asi(asi, size, sign);                                      \
447
            break;                                                            \
448
    }                                                                         \
449
}
450

    
451
#define supervisor(dc) (dc->mem_idx == 1)
452
#endif
453
#endif
454

    
455
OP_LD_TABLE(ld);
456
OP_LD_TABLE(st);
457
OP_LD_TABLE(ldub);
458
OP_LD_TABLE(lduh);
459
OP_LD_TABLE(ldsb);
460
OP_LD_TABLE(ldsh);
461
OP_LD_TABLE(stb);
462
OP_LD_TABLE(sth);
463
OP_LD_TABLE(std);
464
OP_LD_TABLE(ldstub);
465
OP_LD_TABLE(swap);
466
OP_LD_TABLE(ldd);
467
OP_LD_TABLE(stf);
468
OP_LD_TABLE(stdf);
469
OP_LD_TABLE(ldf);
470
OP_LD_TABLE(lddf);
471

    
472
#ifdef TARGET_SPARC64
473
OP_LD_TABLE(ldsw);
474
OP_LD_TABLE(ldx);
475
OP_LD_TABLE(stx);
476
OP_LD_TABLE(cas);
477
OP_LD_TABLE(casx);
478
#endif
479

    
480
static inline void gen_movl_imm_TN(int reg, uint32_t imm)
481
{
482
    gen_op_movl_TN_im[reg](imm);
483
}
484

    
485
static inline void gen_movl_imm_T1(uint32_t val)
486
{
487
    gen_movl_imm_TN(1, val);
488
}
489

    
490
static inline void gen_movl_imm_T0(uint32_t val)
491
{
492
    gen_movl_imm_TN(0, val);
493
}
494

    
495
static inline void gen_movl_simm_TN(int reg, int32_t imm)
496
{
497
    gen_op_movl_TN_sim[reg](imm);
498
}
499

    
500
static inline void gen_movl_simm_T1(int32_t val)
501
{
502
    gen_movl_simm_TN(1, val);
503
}
504

    
505
static inline void gen_movl_simm_T0(int32_t val)
506
{
507
    gen_movl_simm_TN(0, val);
508
}
509

    
510
static inline void gen_movl_reg_TN(int reg, int t)
511
{
512
    if (reg)
513
        gen_op_movl_reg_TN[t][reg] ();
514
    else
515
        gen_movl_imm_TN(t, 0);
516
}
517

    
518
static inline void gen_movl_reg_T0(int reg)
519
{
520
    gen_movl_reg_TN(reg, 0);
521
}
522

    
523
static inline void gen_movl_reg_T1(int reg)
524
{
525
    gen_movl_reg_TN(reg, 1);
526
}
527

    
528
static inline void gen_movl_reg_T2(int reg)
529
{
530
    gen_movl_reg_TN(reg, 2);
531
}
532

    
533
static inline void gen_movl_TN_reg(int reg, int t)
534
{
535
    if (reg)
536
        gen_op_movl_TN_reg[t][reg] ();
537
}
538

    
539
static inline void gen_movl_T0_reg(int reg)
540
{
541
    gen_movl_TN_reg(reg, 0);
542
}
543

    
544
static inline void gen_movl_T1_reg(int reg)
545
{
546
    gen_movl_TN_reg(reg, 1);
547
}
548

    
549
static inline void gen_jmp_im(target_ulong pc)
550
{
551
#ifdef TARGET_SPARC64
552
    if (pc == (uint32_t)pc) {
553
        gen_op_jmp_im(pc);
554
    } else {
555
        gen_op_jmp_im64(pc >> 32, pc);
556
    }
557
#else
558
    gen_op_jmp_im(pc);
559
#endif
560
}
561

    
562
static inline void gen_movl_npc_im(target_ulong npc)
563
{
564
#ifdef TARGET_SPARC64
565
    if (npc == (uint32_t)npc) {
566
        gen_op_movl_npc_im(npc);
567
    } else {
568
        gen_op_movq_npc_im64(npc >> 32, npc);
569
    }
570
#else
571
    gen_op_movl_npc_im(npc);
572
#endif
573
}
574

    
575
static inline void gen_goto_tb(DisasContext *s, int tb_num, 
576
                               target_ulong pc, target_ulong npc)
577
{
578
    TranslationBlock *tb;
579

    
580
    tb = s->tb;
581
    if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) &&
582
        (npc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK))  {
583
        /* jump to same page: we can use a direct jump */
584
        if (tb_num == 0)
585
            gen_op_goto_tb0(TBPARAM(tb));
586
        else
587
            gen_op_goto_tb1(TBPARAM(tb));
588
        gen_jmp_im(pc);
589
        gen_movl_npc_im(npc);
590
        gen_op_movl_T0_im((long)tb + tb_num);
591
        gen_op_exit_tb();
592
    } else {
593
        /* jump to another page: currently not optimized */
594
        gen_jmp_im(pc);
595
        gen_movl_npc_im(npc);
596
        gen_op_movl_T0_0();
597
        gen_op_exit_tb();
598
    }
599
}
600

    
601
static inline void gen_branch2(DisasContext *dc, target_ulong pc1,
602
                               target_ulong pc2)
603
{
604
    int l1;
605

    
606
    l1 = gen_new_label();
607

    
608
    gen_op_jz_T2_label(l1);
609

    
610
    gen_goto_tb(dc, 0, pc1, pc1 + 4);
611

    
612
    gen_set_label(l1);
613
    gen_goto_tb(dc, 1, pc2, pc2 + 4);
614
}
615

    
616
static inline void gen_branch_a(DisasContext *dc, target_ulong pc1,
617
                                target_ulong pc2)
618
{
619
    int l1;
620

    
621
    l1 = gen_new_label();
622

    
623
    gen_op_jz_T2_label(l1);
624

    
625
    gen_goto_tb(dc, 0, pc2, pc1);
626

    
627
    gen_set_label(l1);
628
    gen_goto_tb(dc, 1, pc2 + 4, pc2 + 8);
629
}
630

    
631
static inline void gen_branch(DisasContext *dc, target_ulong pc,
632
                              target_ulong npc)
633
{
634
    gen_goto_tb(dc, 0, pc, npc);
635
}
636

    
637
static inline void gen_generic_branch(target_ulong npc1, target_ulong npc2)
638
{
639
    int l1, l2;
640

    
641
    l1 = gen_new_label();
642
    l2 = gen_new_label();
643
    gen_op_jz_T2_label(l1);
644

    
645
    gen_movl_npc_im(npc1);
646
    gen_op_jmp_label(l2);
647

    
648
    gen_set_label(l1);
649
    gen_movl_npc_im(npc2);
650
    gen_set_label(l2);
651
}
652

    
653
/* call this function before using T2 as it may have been set for a jump */
654
static inline void flush_T2(DisasContext * dc)
655
{
656
    if (dc->npc == JUMP_PC) {
657
        gen_generic_branch(dc->jump_pc[0], dc->jump_pc[1]);
658
        dc->npc = DYNAMIC_PC;
659
    }
660
}
661

    
662
static inline void save_npc(DisasContext * dc)
663
{
664
    if (dc->npc == JUMP_PC) {
665
        gen_generic_branch(dc->jump_pc[0], dc->jump_pc[1]);
666
        dc->npc = DYNAMIC_PC;
667
    } else if (dc->npc != DYNAMIC_PC) {
668
        gen_movl_npc_im(dc->npc);
669
    }
670
}
671

    
672
static inline void save_state(DisasContext * dc)
673
{
674
    gen_jmp_im(dc->pc);
675
    save_npc(dc);
676
}
677

    
678
static inline void gen_mov_pc_npc(DisasContext * dc)
679
{
680
    if (dc->npc == JUMP_PC) {
681
        gen_generic_branch(dc->jump_pc[0], dc->jump_pc[1]);
682
        gen_op_mov_pc_npc();
683
        dc->pc = DYNAMIC_PC;
684
    } else if (dc->npc == DYNAMIC_PC) {
685
        gen_op_mov_pc_npc();
686
        dc->pc = DYNAMIC_PC;
687
    } else {
688
        dc->pc = dc->npc;
689
    }
690
}
691

    
692
static GenOpFunc * const gen_cond[2][16] = {
693
    {
694
        gen_op_eval_bn,
695
        gen_op_eval_be,
696
        gen_op_eval_ble,
697
        gen_op_eval_bl,
698
        gen_op_eval_bleu,
699
        gen_op_eval_bcs,
700
        gen_op_eval_bneg,
701
        gen_op_eval_bvs,
702
        gen_op_eval_ba,
703
        gen_op_eval_bne,
704
        gen_op_eval_bg,
705
        gen_op_eval_bge,
706
        gen_op_eval_bgu,
707
        gen_op_eval_bcc,
708
        gen_op_eval_bpos,
709
        gen_op_eval_bvc,
710
    },
711
    {
712
#ifdef TARGET_SPARC64
713
        gen_op_eval_bn,
714
        gen_op_eval_xbe,
715
        gen_op_eval_xble,
716
        gen_op_eval_xbl,
717
        gen_op_eval_xbleu,
718
        gen_op_eval_xbcs,
719
        gen_op_eval_xbneg,
720
        gen_op_eval_xbvs,
721
        gen_op_eval_ba,
722
        gen_op_eval_xbne,
723
        gen_op_eval_xbg,
724
        gen_op_eval_xbge,
725
        gen_op_eval_xbgu,
726
        gen_op_eval_xbcc,
727
        gen_op_eval_xbpos,
728
        gen_op_eval_xbvc,
729
#endif
730
    },
731
};
732

    
733
static GenOpFunc * const gen_fcond[4][16] = {
734
    {
735
        gen_op_eval_bn,
736
        gen_op_eval_fbne,
737
        gen_op_eval_fblg,
738
        gen_op_eval_fbul,
739
        gen_op_eval_fbl,
740
        gen_op_eval_fbug,
741
        gen_op_eval_fbg,
742
        gen_op_eval_fbu,
743
        gen_op_eval_ba,
744
        gen_op_eval_fbe,
745
        gen_op_eval_fbue,
746
        gen_op_eval_fbge,
747
        gen_op_eval_fbuge,
748
        gen_op_eval_fble,
749
        gen_op_eval_fbule,
750
        gen_op_eval_fbo,
751
    },
752
#ifdef TARGET_SPARC64
753
    {
754
        gen_op_eval_bn,
755
        gen_op_eval_fbne_fcc1,
756
        gen_op_eval_fblg_fcc1,
757
        gen_op_eval_fbul_fcc1,
758
        gen_op_eval_fbl_fcc1,
759
        gen_op_eval_fbug_fcc1,
760
        gen_op_eval_fbg_fcc1,
761
        gen_op_eval_fbu_fcc1,
762
        gen_op_eval_ba,
763
        gen_op_eval_fbe_fcc1,
764
        gen_op_eval_fbue_fcc1,
765
        gen_op_eval_fbge_fcc1,
766
        gen_op_eval_fbuge_fcc1,
767
        gen_op_eval_fble_fcc1,
768
        gen_op_eval_fbule_fcc1,
769
        gen_op_eval_fbo_fcc1,
770
    },
771
    {
772
        gen_op_eval_bn,
773
        gen_op_eval_fbne_fcc2,
774
        gen_op_eval_fblg_fcc2,
775
        gen_op_eval_fbul_fcc2,
776
        gen_op_eval_fbl_fcc2,
777
        gen_op_eval_fbug_fcc2,
778
        gen_op_eval_fbg_fcc2,
779
        gen_op_eval_fbu_fcc2,
780
        gen_op_eval_ba,
781
        gen_op_eval_fbe_fcc2,
782
        gen_op_eval_fbue_fcc2,
783
        gen_op_eval_fbge_fcc2,
784
        gen_op_eval_fbuge_fcc2,
785
        gen_op_eval_fble_fcc2,
786
        gen_op_eval_fbule_fcc2,
787
        gen_op_eval_fbo_fcc2,
788
    },
789
    {
790
        gen_op_eval_bn,
791
        gen_op_eval_fbne_fcc3,
792
        gen_op_eval_fblg_fcc3,
793
        gen_op_eval_fbul_fcc3,
794
        gen_op_eval_fbl_fcc3,
795
        gen_op_eval_fbug_fcc3,
796
        gen_op_eval_fbg_fcc3,
797
        gen_op_eval_fbu_fcc3,
798
        gen_op_eval_ba,
799
        gen_op_eval_fbe_fcc3,
800
        gen_op_eval_fbue_fcc3,
801
        gen_op_eval_fbge_fcc3,
802
        gen_op_eval_fbuge_fcc3,
803
        gen_op_eval_fble_fcc3,
804
        gen_op_eval_fbule_fcc3,
805
        gen_op_eval_fbo_fcc3,
806
    },
807
#else
808
    {}, {}, {},
809
#endif
810
};
811

    
812
#ifdef TARGET_SPARC64
813
static void gen_cond_reg(int cond)
814
{
815
        switch (cond) {
816
        case 0x1:
817
            gen_op_eval_brz();
818
            break;
819
        case 0x2:
820
            gen_op_eval_brlez();
821
            break;
822
        case 0x3:
823
            gen_op_eval_brlz();
824
            break;
825
        case 0x5:
826
            gen_op_eval_brnz();
827
            break;
828
        case 0x6:
829
            gen_op_eval_brgz();
830
            break;
831
        default:
832
        case 0x7:
833
            gen_op_eval_brgez();
834
            break;
835
        }
836
}
837
#endif
838

    
839
/* XXX: potentially incorrect if dynamic npc */
840
static void do_branch(DisasContext * dc, int32_t offset, uint32_t insn, int cc)
841
{
842
    unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
843
    target_ulong target = dc->pc + offset;
844
        
845
    if (cond == 0x0) {
846
        /* unconditional not taken */
847
        if (a) {
848
            dc->pc = dc->npc + 4; 
849
            dc->npc = dc->pc + 4;
850
        } else {
851
            dc->pc = dc->npc;
852
            dc->npc = dc->pc + 4;
853
        }
854
    } else if (cond == 0x8) {
855
        /* unconditional taken */
856
        if (a) {
857
            dc->pc = target;
858
            dc->npc = dc->pc + 4;
859
        } else {
860
            dc->pc = dc->npc;
861
            dc->npc = target;
862
        }
863
    } else {
864
        flush_T2(dc);
865
        gen_cond[cc][cond]();
866
        if (a) {
867
            gen_branch_a(dc, target, dc->npc);
868
            dc->is_br = 1;
869
        } else {
870
            dc->pc = dc->npc;
871
            dc->jump_pc[0] = target;
872
            dc->jump_pc[1] = dc->npc + 4;
873
            dc->npc = JUMP_PC;
874
        }
875
    }
876
}
877

    
878
/* XXX: potentially incorrect if dynamic npc */
879
static void do_fbranch(DisasContext * dc, int32_t offset, uint32_t insn, int cc)
880
{
881
    unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
882
    target_ulong target = dc->pc + offset;
883

    
884
    if (cond == 0x0) {
885
        /* unconditional not taken */
886
        if (a) {
887
            dc->pc = dc->npc + 4;
888
            dc->npc = dc->pc + 4;
889
        } else {
890
            dc->pc = dc->npc;
891
            dc->npc = dc->pc + 4;
892
        }
893
    } else if (cond == 0x8) {
894
        /* unconditional taken */
895
        if (a) {
896
            dc->pc = target;
897
            dc->npc = dc->pc + 4;
898
        } else {
899
            dc->pc = dc->npc;
900
            dc->npc = target;
901
        }
902
    } else {
903
        flush_T2(dc);
904
        gen_fcond[cc][cond]();
905
        if (a) {
906
            gen_branch_a(dc, target, dc->npc);
907
            dc->is_br = 1;
908
        } else {
909
            dc->pc = dc->npc;
910
            dc->jump_pc[0] = target;
911
            dc->jump_pc[1] = dc->npc + 4;
912
            dc->npc = JUMP_PC;
913
        }
914
    }
915
}
916

    
917
#ifdef TARGET_SPARC64
918
/* XXX: potentially incorrect if dynamic npc */
919
static void do_branch_reg(DisasContext * dc, int32_t offset, uint32_t insn)
920
{
921
    unsigned int cond = GET_FIELD_SP(insn, 25, 27), a = (insn & (1 << 29));
922
    target_ulong target = dc->pc + offset;
923

    
924
    flush_T2(dc);
925
    gen_cond_reg(cond);
926
    if (a) {
927
        gen_branch_a(dc, target, dc->npc);
928
        dc->is_br = 1;
929
    } else {
930
        dc->pc = dc->npc;
931
        dc->jump_pc[0] = target;
932
        dc->jump_pc[1] = dc->npc + 4;
933
        dc->npc = JUMP_PC;
934
    }
935
}
936

    
937
static GenOpFunc * const gen_fcmps[4] = {
938
    gen_op_fcmps,
939
    gen_op_fcmps_fcc1,
940
    gen_op_fcmps_fcc2,
941
    gen_op_fcmps_fcc3,
942
};
943

    
944
static GenOpFunc * const gen_fcmpd[4] = {
945
    gen_op_fcmpd,
946
    gen_op_fcmpd_fcc1,
947
    gen_op_fcmpd_fcc2,
948
    gen_op_fcmpd_fcc3,
949
};
950

    
951
static GenOpFunc * const gen_fcmpes[4] = {
952
    gen_op_fcmpes,
953
    gen_op_fcmpes_fcc1,
954
    gen_op_fcmpes_fcc2,
955
    gen_op_fcmpes_fcc3,
956
};
957

    
958
static GenOpFunc * const gen_fcmped[4] = {
959
    gen_op_fcmped,
960
    gen_op_fcmped_fcc1,
961
    gen_op_fcmped_fcc2,
962
    gen_op_fcmped_fcc3,
963
};
964

    
965
#endif
966

    
967
static int gen_trap_ifnofpu(DisasContext * dc)
968
{
969
#if !defined(CONFIG_USER_ONLY)
970
    if (!dc->fpu_enabled) {
971
        save_state(dc);
972
        gen_op_exception(TT_NFPU_INSN);
973
        dc->is_br = 1;
974
        return 1;
975
    }
976
#endif
977
    return 0;
978
}
979

    
980
/* before an instruction, dc->pc must be static */
981
static void disas_sparc_insn(DisasContext * dc)
982
{
983
    unsigned int insn, opc, rs1, rs2, rd;
984

    
985
    insn = ldl_code(dc->pc);
986
    opc = GET_FIELD(insn, 0, 1);
987

    
988
    rd = GET_FIELD(insn, 2, 6);
989
    switch (opc) {
990
    case 0:                        /* branches/sethi */
991
        {
992
            unsigned int xop = GET_FIELD(insn, 7, 9);
993
            int32_t target;
994
            switch (xop) {
995
#ifdef TARGET_SPARC64
996
            case 0x1:                /* V9 BPcc */
997
                {
998
                    int cc;
999

    
1000
                    target = GET_FIELD_SP(insn, 0, 18);
1001
                    target = sign_extend(target, 18);
1002
                    target <<= 2;
1003
                    cc = GET_FIELD_SP(insn, 20, 21);
1004
                    if (cc == 0)
1005
                        do_branch(dc, target, insn, 0);
1006
                    else if (cc == 2)
1007
                        do_branch(dc, target, insn, 1);
1008
                    else
1009
                        goto illegal_insn;
1010
                    goto jmp_insn;
1011
                }
1012
            case 0x3:                /* V9 BPr */
1013
                {
1014
                    target = GET_FIELD_SP(insn, 0, 13) | 
1015
                        (GET_FIELD_SP(insn, 20, 21) << 14);
1016
                    target = sign_extend(target, 16);
1017
                    target <<= 2;
1018
                    rs1 = GET_FIELD(insn, 13, 17);
1019
                    gen_movl_reg_T0(rs1);
1020
                    do_branch_reg(dc, target, insn);
1021
                    goto jmp_insn;
1022
                }
1023
            case 0x5:                /* V9 FBPcc */
1024
                {
1025
                    int cc = GET_FIELD_SP(insn, 20, 21);
1026
                    if (gen_trap_ifnofpu(dc))
1027
                        goto jmp_insn;
1028
                    target = GET_FIELD_SP(insn, 0, 18);
1029
                    target = sign_extend(target, 19);
1030
                    target <<= 2;
1031
                    do_fbranch(dc, target, insn, cc);
1032
                    goto jmp_insn;
1033
                }
1034
#else
1035
            case 0x7:                /* CBN+x */
1036
                {
1037
                    goto ncp_insn;
1038
                }
1039
#endif
1040
            case 0x2:                /* BN+x */
1041
                {
1042
                    target = GET_FIELD(insn, 10, 31);
1043
                    target = sign_extend(target, 22);
1044
                    target <<= 2;
1045
                    do_branch(dc, target, insn, 0);
1046
                    goto jmp_insn;
1047
                }
1048
            case 0x6:                /* FBN+x */
1049
                {
1050
                    if (gen_trap_ifnofpu(dc))
1051
                        goto jmp_insn;
1052
                    target = GET_FIELD(insn, 10, 31);
1053
                    target = sign_extend(target, 22);
1054
                    target <<= 2;
1055
                    do_fbranch(dc, target, insn, 0);
1056
                    goto jmp_insn;
1057
                }
1058
            case 0x4:                /* SETHI */
1059
#define OPTIM
1060
#if defined(OPTIM)
1061
                if (rd) { // nop
1062
#endif
1063
                    uint32_t value = GET_FIELD(insn, 10, 31);
1064
                    gen_movl_imm_T0(value << 10);
1065
                    gen_movl_T0_reg(rd);
1066
#if defined(OPTIM)
1067
                }
1068
#endif
1069
                break;
1070
            case 0x0:                /* UNIMPL */
1071
            default:
1072
                goto illegal_insn;
1073
            }
1074
            break;
1075
        }
1076
        break;
1077
    case 1:
1078
        /*CALL*/ {
1079
            target_long target = GET_FIELDs(insn, 2, 31) << 2;
1080

    
1081
#ifdef TARGET_SPARC64
1082
            if (dc->pc == (uint32_t)dc->pc) {
1083
                gen_op_movl_T0_im(dc->pc);
1084
            } else {
1085
                gen_op_movq_T0_im64(dc->pc >> 32, dc->pc);
1086
            }
1087
#else
1088
            gen_op_movl_T0_im(dc->pc);
1089
#endif
1090
            gen_movl_T0_reg(15);
1091
            target += dc->pc;
1092
            gen_mov_pc_npc(dc);
1093
            dc->npc = target;
1094
        }
1095
        goto jmp_insn;
1096
    case 2:                        /* FPU & Logical Operations */
1097
        {
1098
            unsigned int xop = GET_FIELD(insn, 7, 12);
1099
            if (xop == 0x3a) {        /* generate trap */
1100
                int cond;
1101

    
1102
                rs1 = GET_FIELD(insn, 13, 17);
1103
                gen_movl_reg_T0(rs1);
1104
                if (IS_IMM) {
1105
                    rs2 = GET_FIELD(insn, 25, 31);
1106
#if defined(OPTIM)
1107
                    if (rs2 != 0) {
1108
#endif
1109
                        gen_movl_simm_T1(rs2);
1110
                        gen_op_add_T1_T0();
1111
#if defined(OPTIM)
1112
                    }
1113
#endif
1114
                } else {
1115
                    rs2 = GET_FIELD(insn, 27, 31);
1116
#if defined(OPTIM)
1117
                    if (rs2 != 0) {
1118
#endif
1119
                        gen_movl_reg_T1(rs2);
1120
                        gen_op_add_T1_T0();
1121
#if defined(OPTIM)
1122
                    }
1123
#endif
1124
                }
1125
                cond = GET_FIELD(insn, 3, 6);
1126
                if (cond == 0x8) {
1127
                    save_state(dc);
1128
                    gen_op_trap_T0();
1129
                } else if (cond != 0) {
1130
#ifdef TARGET_SPARC64
1131
                    /* V9 icc/xcc */
1132
                    int cc = GET_FIELD_SP(insn, 11, 12);
1133
                    flush_T2(dc);
1134
                    save_state(dc);
1135
                    if (cc == 0)
1136
                        gen_cond[0][cond]();
1137
                    else if (cc == 2)
1138
                        gen_cond[1][cond]();
1139
                    else
1140
                        goto illegal_insn;
1141
#else
1142
                    flush_T2(dc);
1143
                    save_state(dc);
1144
                    gen_cond[0][cond]();
1145
#endif
1146
                    gen_op_trapcc_T0();
1147
                }
1148
                gen_op_next_insn();
1149
                gen_op_movl_T0_0();
1150
                gen_op_exit_tb();
1151
                dc->is_br = 1;
1152
                goto jmp_insn;
1153
            } else if (xop == 0x28) {
1154
                rs1 = GET_FIELD(insn, 13, 17);
1155
                switch(rs1) {
1156
                case 0: /* rdy */
1157
#ifndef TARGET_SPARC64
1158
                case 0x01 ... 0x0e: /* undefined in the SPARCv8
1159
                                       manual, rdy on the microSPARC
1160
                                       II */
1161
                case 0x0f:          /* stbar in the SPARCv8 manual,
1162
                                       rdy on the microSPARC II */
1163
                case 0x10 ... 0x1f: /* implementation-dependent in the
1164
                                       SPARCv8 manual, rdy on the
1165
                                       microSPARC II */
1166
#endif
1167
                    gen_op_movtl_T0_env(offsetof(CPUSPARCState, y));
1168
                    gen_movl_T0_reg(rd);
1169
                    break;
1170
#ifdef TARGET_SPARC64
1171
                case 0x2: /* V9 rdccr */
1172
                    gen_op_rdccr();
1173
                    gen_movl_T0_reg(rd);
1174
                    break;
1175
                case 0x3: /* V9 rdasi */
1176
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, asi));
1177
                    gen_movl_T0_reg(rd);
1178
                    break;
1179
                case 0x4: /* V9 rdtick */
1180
                    gen_op_rdtick();
1181
                    gen_movl_T0_reg(rd);
1182
                    break;
1183
                case 0x5: /* V9 rdpc */
1184
                    if (dc->pc == (uint32_t)dc->pc) {
1185
                        gen_op_movl_T0_im(dc->pc);
1186
                    } else {
1187
                        gen_op_movq_T0_im64(dc->pc >> 32, dc->pc);
1188
                    }
1189
                    gen_movl_T0_reg(rd);
1190
                    break;
1191
                case 0x6: /* V9 rdfprs */
1192
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, fprs));
1193
                    gen_movl_T0_reg(rd);
1194
                    break;
1195
                case 0xf: /* V9 membar */
1196
                    break; /* no effect */
1197
                case 0x13: /* Graphics Status */
1198
                    if (gen_trap_ifnofpu(dc))
1199
                        goto jmp_insn;
1200
                    gen_op_movtl_T0_env(offsetof(CPUSPARCState, gsr));
1201
                    gen_movl_T0_reg(rd);
1202
                    break;
1203
                case 0x17: /* Tick compare */
1204
                    gen_op_movtl_T0_env(offsetof(CPUSPARCState, tick_cmpr));
1205
                    gen_movl_T0_reg(rd);
1206
                    break;
1207
                case 0x18: /* System tick */
1208
                    gen_op_rdstick();
1209
                    gen_movl_T0_reg(rd);
1210
                    break;
1211
                case 0x19: /* System tick compare */
1212
                    gen_op_movtl_T0_env(offsetof(CPUSPARCState, stick_cmpr));
1213
                    gen_movl_T0_reg(rd);
1214
                    break;
1215
                case 0x10: /* Performance Control */
1216
                case 0x11: /* Performance Instrumentation Counter */
1217
                case 0x12: /* Dispatch Control */
1218
                case 0x14: /* Softint set, WO */
1219
                case 0x15: /* Softint clear, WO */
1220
                case 0x16: /* Softint write */
1221
#endif
1222
                default:
1223
                    goto illegal_insn;
1224
                }
1225
#if !defined(CONFIG_USER_ONLY)
1226
            } else if (xop == 0x29) { /* rdpsr / UA2005 rdhpr */
1227
#ifndef TARGET_SPARC64
1228
                if (!supervisor(dc))
1229
                    goto priv_insn;
1230
                gen_op_rdpsr();
1231
#else
1232
                if (!hypervisor(dc))
1233
                    goto priv_insn;
1234
                rs1 = GET_FIELD(insn, 13, 17);
1235
                switch (rs1) {
1236
                case 0: // hpstate
1237
                    // gen_op_rdhpstate();
1238
                    break;
1239
                case 1: // htstate
1240
                    // gen_op_rdhtstate();
1241
                    break;
1242
                case 3: // hintp
1243
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, hintp));
1244
                    break;
1245
                case 5: // htba
1246
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, htba));
1247
                    break;
1248
                case 6: // hver
1249
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, hver));
1250
                    break;
1251
                case 31: // hstick_cmpr
1252
                    gen_op_movl_env_T0(offsetof(CPUSPARCState, hstick_cmpr));
1253
                    break;
1254
                default:
1255
                    goto illegal_insn;
1256
                }
1257
#endif
1258
                gen_movl_T0_reg(rd);
1259
                break;
1260
            } else if (xop == 0x2a) { /* rdwim / V9 rdpr */
1261
                if (!supervisor(dc))
1262
                    goto priv_insn;
1263
#ifdef TARGET_SPARC64
1264
                rs1 = GET_FIELD(insn, 13, 17);
1265
                switch (rs1) {
1266
                case 0: // tpc
1267
                    gen_op_rdtpc();
1268
                    break;
1269
                case 1: // tnpc
1270
                    gen_op_rdtnpc();
1271
                    break;
1272
                case 2: // tstate
1273
                    gen_op_rdtstate();
1274
                    break;
1275
                case 3: // tt
1276
                    gen_op_rdtt();
1277
                    break;
1278
                case 4: // tick
1279
                    gen_op_rdtick();
1280
                    break;
1281
                case 5: // tba
1282
                    gen_op_movtl_T0_env(offsetof(CPUSPARCState, tbr));
1283
                    break;
1284
                case 6: // pstate
1285
                    gen_op_rdpstate();
1286
                    break;
1287
                case 7: // tl
1288
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, tl));
1289
                    break;
1290
                case 8: // pil
1291
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, psrpil));
1292
                    break;
1293
                case 9: // cwp
1294
                    gen_op_rdcwp();
1295
                    break;
1296
                case 10: // cansave
1297
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, cansave));
1298
                    break;
1299
                case 11: // canrestore
1300
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, canrestore));
1301
                    break;
1302
                case 12: // cleanwin
1303
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, cleanwin));
1304
                    break;
1305
                case 13: // otherwin
1306
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, otherwin));
1307
                    break;
1308
                case 14: // wstate
1309
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, wstate));
1310
                    break;
1311
                case 16: // UA2005 gl
1312
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, gl));
1313
                    break;
1314
                case 26: // UA2005 strand status
1315
                    if (!hypervisor(dc))
1316
                        goto priv_insn;
1317
                    gen_op_movl_T0_env(offsetof(CPUSPARCState, ssr));
1318
                    break;
1319
                case 31: // ver
1320
                    gen_op_movtl_T0_env(offsetof(CPUSPARCState, version));
1321
                    break;
1322
                case 15: // fq
1323
                default:
1324
                    goto illegal_insn;
1325
                }
1326
#else
1327
                gen_op_movl_T0_env(offsetof(CPUSPARCState, wim));
1328
#endif
1329
                gen_movl_T0_reg(rd);
1330
                break;
1331
            } else if (xop == 0x2b) { /* rdtbr / V9 flushw */
1332
#ifdef TARGET_SPARC64
1333
                gen_op_flushw();
1334
#else
1335
                if (!supervisor(dc))
1336
                    goto priv_insn;
1337
                gen_op_movtl_T0_env(offsetof(CPUSPARCState, tbr));
1338
                gen_movl_T0_reg(rd);
1339
#endif
1340
                break;
1341
#endif
1342
            } else if (xop == 0x34) {        /* FPU Operations */
1343
                if (gen_trap_ifnofpu(dc))
1344
                    goto jmp_insn;
1345
                gen_op_clear_ieee_excp_and_FTT();
1346
                rs1 = GET_FIELD(insn, 13, 17);
1347
                rs2 = GET_FIELD(insn, 27, 31);
1348
                xop = GET_FIELD(insn, 18, 26);
1349
                switch (xop) {
1350
                    case 0x1: /* fmovs */
1351
                        gen_op_load_fpr_FT0(rs2);
1352
                        gen_op_store_FT0_fpr(rd);
1353
                        break;
1354
                    case 0x5: /* fnegs */
1355
                        gen_op_load_fpr_FT1(rs2);
1356
                        gen_op_fnegs();
1357
                        gen_op_store_FT0_fpr(rd);
1358
                        break;
1359
                    case 0x9: /* fabss */
1360
                        gen_op_load_fpr_FT1(rs2);
1361
                        gen_op_fabss();
1362
                        gen_op_store_FT0_fpr(rd);
1363
                        break;
1364
                    case 0x29: /* fsqrts */
1365
                        gen_op_load_fpr_FT1(rs2);
1366
                        gen_op_fsqrts();
1367
                        gen_op_store_FT0_fpr(rd);
1368
                        break;
1369
                    case 0x2a: /* fsqrtd */
1370
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1371
                        gen_op_fsqrtd();
1372
                        gen_op_store_DT0_fpr(DFPREG(rd));
1373
                        break;
1374
                    case 0x2b: /* fsqrtq */
1375
                        goto nfpu_insn;
1376
                    case 0x41:
1377
                        gen_op_load_fpr_FT0(rs1);
1378
                        gen_op_load_fpr_FT1(rs2);
1379
                        gen_op_fadds();
1380
                        gen_op_store_FT0_fpr(rd);
1381
                        break;
1382
                    case 0x42:
1383
                        gen_op_load_fpr_DT0(DFPREG(rs1));
1384
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1385
                        gen_op_faddd();
1386
                        gen_op_store_DT0_fpr(DFPREG(rd));
1387
                        break;
1388
                    case 0x43: /* faddq */
1389
                        goto nfpu_insn;
1390
                    case 0x45:
1391
                        gen_op_load_fpr_FT0(rs1);
1392
                        gen_op_load_fpr_FT1(rs2);
1393
                        gen_op_fsubs();
1394
                        gen_op_store_FT0_fpr(rd);
1395
                        break;
1396
                    case 0x46:
1397
                        gen_op_load_fpr_DT0(DFPREG(rs1));
1398
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1399
                        gen_op_fsubd();
1400
                        gen_op_store_DT0_fpr(DFPREG(rd));
1401
                        break;
1402
                    case 0x47: /* fsubq */
1403
                        goto nfpu_insn;
1404
                    case 0x49:
1405
                        gen_op_load_fpr_FT0(rs1);
1406
                        gen_op_load_fpr_FT1(rs2);
1407
                        gen_op_fmuls();
1408
                        gen_op_store_FT0_fpr(rd);
1409
                        break;
1410
                    case 0x4a:
1411
                        gen_op_load_fpr_DT0(DFPREG(rs1));
1412
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1413
                        gen_op_fmuld();
1414
                        gen_op_store_DT0_fpr(rd);
1415
                        break;
1416
                    case 0x4b: /* fmulq */
1417
                        goto nfpu_insn;
1418
                    case 0x4d:
1419
                        gen_op_load_fpr_FT0(rs1);
1420
                        gen_op_load_fpr_FT1(rs2);
1421
                        gen_op_fdivs();
1422
                        gen_op_store_FT0_fpr(rd);
1423
                        break;
1424
                    case 0x4e:
1425
                        gen_op_load_fpr_DT0(DFPREG(rs1));
1426
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1427
                        gen_op_fdivd();
1428
                        gen_op_store_DT0_fpr(DFPREG(rd));
1429
                        break;
1430
                    case 0x4f: /* fdivq */
1431
                        goto nfpu_insn;
1432
                    case 0x69:
1433
                        gen_op_load_fpr_FT0(rs1);
1434
                        gen_op_load_fpr_FT1(rs2);
1435
                        gen_op_fsmuld();
1436
                        gen_op_store_DT0_fpr(DFPREG(rd));
1437
                        break;
1438
                    case 0x6e: /* fdmulq */
1439
                        goto nfpu_insn;
1440
                    case 0xc4:
1441
                        gen_op_load_fpr_FT1(rs2);
1442
                        gen_op_fitos();
1443
                        gen_op_store_FT0_fpr(rd);
1444
                        break;
1445
                    case 0xc6:
1446
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1447
                        gen_op_fdtos();
1448
                        gen_op_store_FT0_fpr(rd);
1449
                        break;
1450
                    case 0xc7: /* fqtos */
1451
                        goto nfpu_insn;
1452
                    case 0xc8:
1453
                        gen_op_load_fpr_FT1(rs2);
1454
                        gen_op_fitod();
1455
                        gen_op_store_DT0_fpr(DFPREG(rd));
1456
                        break;
1457
                    case 0xc9:
1458
                        gen_op_load_fpr_FT1(rs2);
1459
                        gen_op_fstod();
1460
                        gen_op_store_DT0_fpr(DFPREG(rd));
1461
                        break;
1462
                    case 0xcb: /* fqtod */
1463
                        goto nfpu_insn;
1464
                    case 0xcc: /* fitoq */
1465
                        goto nfpu_insn;
1466
                    case 0xcd: /* fstoq */
1467
                        goto nfpu_insn;
1468
                    case 0xce: /* fdtoq */
1469
                        goto nfpu_insn;
1470
                    case 0xd1:
1471
                        gen_op_load_fpr_FT1(rs2);
1472
                        gen_op_fstoi();
1473
                        gen_op_store_FT0_fpr(rd);
1474
                        break;
1475
                    case 0xd2:
1476
                        gen_op_load_fpr_DT1(rs2);
1477
                        gen_op_fdtoi();
1478
                        gen_op_store_FT0_fpr(rd);
1479
                        break;
1480
                    case 0xd3: /* fqtoi */
1481
                        goto nfpu_insn;
1482
#ifdef TARGET_SPARC64
1483
                    case 0x2: /* V9 fmovd */
1484
                        gen_op_load_fpr_DT0(DFPREG(rs2));
1485
                        gen_op_store_DT0_fpr(DFPREG(rd));
1486
                        break;
1487
                    case 0x6: /* V9 fnegd */
1488
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1489
                        gen_op_fnegd();
1490
                        gen_op_store_DT0_fpr(DFPREG(rd));
1491
                        break;
1492
                    case 0xa: /* V9 fabsd */
1493
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1494
                        gen_op_fabsd();
1495
                        gen_op_store_DT0_fpr(DFPREG(rd));
1496
                        break;
1497
                    case 0x81: /* V9 fstox */
1498
                        gen_op_load_fpr_FT1(rs2);
1499
                        gen_op_fstox();
1500
                        gen_op_store_DT0_fpr(DFPREG(rd));
1501
                        break;
1502
                    case 0x82: /* V9 fdtox */
1503
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1504
                        gen_op_fdtox();
1505
                        gen_op_store_DT0_fpr(DFPREG(rd));
1506
                        break;
1507
                    case 0x84: /* V9 fxtos */
1508
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1509
                        gen_op_fxtos();
1510
                        gen_op_store_FT0_fpr(rd);
1511
                        break;
1512
                    case 0x88: /* V9 fxtod */
1513
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1514
                        gen_op_fxtod();
1515
                        gen_op_store_DT0_fpr(DFPREG(rd));
1516
                        break;
1517
                    case 0x3: /* V9 fmovq */
1518
                    case 0x7: /* V9 fnegq */
1519
                    case 0xb: /* V9 fabsq */
1520
                    case 0x83: /* V9 fqtox */
1521
                    case 0x8c: /* V9 fxtoq */
1522
                        goto nfpu_insn;
1523
#endif
1524
                    default:
1525
                        goto illegal_insn;
1526
                }
1527
            } else if (xop == 0x35) {        /* FPU Operations */
1528
#ifdef TARGET_SPARC64
1529
                int cond;
1530
#endif
1531
                if (gen_trap_ifnofpu(dc))
1532
                    goto jmp_insn;
1533
                gen_op_clear_ieee_excp_and_FTT();
1534
                rs1 = GET_FIELD(insn, 13, 17);
1535
                rs2 = GET_FIELD(insn, 27, 31);
1536
                xop = GET_FIELD(insn, 18, 26);
1537
#ifdef TARGET_SPARC64
1538
                if ((xop & 0x11f) == 0x005) { // V9 fmovsr
1539
                    cond = GET_FIELD_SP(insn, 14, 17);
1540
                    gen_op_load_fpr_FT0(rd);
1541
                    gen_op_load_fpr_FT1(rs2);
1542
                    rs1 = GET_FIELD(insn, 13, 17);
1543
                    gen_movl_reg_T0(rs1);
1544
                    flush_T2(dc);
1545
                    gen_cond_reg(cond);
1546
                    gen_op_fmovs_cc();
1547
                    gen_op_store_FT0_fpr(rd);
1548
                    break;
1549
                } else if ((xop & 0x11f) == 0x006) { // V9 fmovdr
1550
                    cond = GET_FIELD_SP(insn, 14, 17);
1551
                    gen_op_load_fpr_DT0(rd);
1552
                    gen_op_load_fpr_DT1(rs2);
1553
                    flush_T2(dc);
1554
                    rs1 = GET_FIELD(insn, 13, 17);
1555
                    gen_movl_reg_T0(rs1);
1556
                    gen_cond_reg(cond);
1557
                    gen_op_fmovs_cc();
1558
                    gen_op_store_DT0_fpr(rd);
1559
                    break;
1560
                } else if ((xop & 0x11f) == 0x007) { // V9 fmovqr
1561
                    goto nfpu_insn;
1562
                }
1563
#endif
1564
                switch (xop) {
1565
#ifdef TARGET_SPARC64
1566
                    case 0x001: /* V9 fmovscc %fcc0 */
1567
                        cond = GET_FIELD_SP(insn, 14, 17);
1568
                        gen_op_load_fpr_FT0(rd);
1569
                        gen_op_load_fpr_FT1(rs2);
1570
                        flush_T2(dc);
1571
                        gen_fcond[0][cond]();
1572
                        gen_op_fmovs_cc();
1573
                        gen_op_store_FT0_fpr(rd);
1574
                        break;
1575
                    case 0x002: /* V9 fmovdcc %fcc0 */
1576
                        cond = GET_FIELD_SP(insn, 14, 17);
1577
                        gen_op_load_fpr_DT0(rd);
1578
                        gen_op_load_fpr_DT1(rs2);
1579
                        flush_T2(dc);
1580
                        gen_fcond[0][cond]();
1581
                        gen_op_fmovd_cc();
1582
                        gen_op_store_DT0_fpr(rd);
1583
                        break;
1584
                    case 0x003: /* V9 fmovqcc %fcc0 */
1585
                        goto nfpu_insn;
1586
                    case 0x041: /* V9 fmovscc %fcc1 */
1587
                        cond = GET_FIELD_SP(insn, 14, 17);
1588
                        gen_op_load_fpr_FT0(rd);
1589
                        gen_op_load_fpr_FT1(rs2);
1590
                        flush_T2(dc);
1591
                        gen_fcond[1][cond]();
1592
                        gen_op_fmovs_cc();
1593
                        gen_op_store_FT0_fpr(rd);
1594
                        break;
1595
                    case 0x042: /* V9 fmovdcc %fcc1 */
1596
                        cond = GET_FIELD_SP(insn, 14, 17);
1597
                        gen_op_load_fpr_DT0(rd);
1598
                        gen_op_load_fpr_DT1(rs2);
1599
                        flush_T2(dc);
1600
                        gen_fcond[1][cond]();
1601
                        gen_op_fmovd_cc();
1602
                        gen_op_store_DT0_fpr(rd);
1603
                        break;
1604
                    case 0x043: /* V9 fmovqcc %fcc1 */
1605
                        goto nfpu_insn;
1606
                    case 0x081: /* V9 fmovscc %fcc2 */
1607
                        cond = GET_FIELD_SP(insn, 14, 17);
1608
                        gen_op_load_fpr_FT0(rd);
1609
                        gen_op_load_fpr_FT1(rs2);
1610
                        flush_T2(dc);
1611
                        gen_fcond[2][cond]();
1612
                        gen_op_fmovs_cc();
1613
                        gen_op_store_FT0_fpr(rd);
1614
                        break;
1615
                    case 0x082: /* V9 fmovdcc %fcc2 */
1616
                        cond = GET_FIELD_SP(insn, 14, 17);
1617
                        gen_op_load_fpr_DT0(rd);
1618
                        gen_op_load_fpr_DT1(rs2);
1619
                        flush_T2(dc);
1620
                        gen_fcond[2][cond]();
1621
                        gen_op_fmovd_cc();
1622
                        gen_op_store_DT0_fpr(rd);
1623
                        break;
1624
                    case 0x083: /* V9 fmovqcc %fcc2 */
1625
                        goto nfpu_insn;
1626
                    case 0x0c1: /* V9 fmovscc %fcc3 */
1627
                        cond = GET_FIELD_SP(insn, 14, 17);
1628
                        gen_op_load_fpr_FT0(rd);
1629
                        gen_op_load_fpr_FT1(rs2);
1630
                        flush_T2(dc);
1631
                        gen_fcond[3][cond]();
1632
                        gen_op_fmovs_cc();
1633
                        gen_op_store_FT0_fpr(rd);
1634
                        break;
1635
                    case 0x0c2: /* V9 fmovdcc %fcc3 */
1636
                        cond = GET_FIELD_SP(insn, 14, 17);
1637
                        gen_op_load_fpr_DT0(rd);
1638
                        gen_op_load_fpr_DT1(rs2);
1639
                        flush_T2(dc);
1640
                        gen_fcond[3][cond]();
1641
                        gen_op_fmovd_cc();
1642
                        gen_op_store_DT0_fpr(rd);
1643
                        break;
1644
                    case 0x0c3: /* V9 fmovqcc %fcc3 */
1645
                        goto nfpu_insn;
1646
                    case 0x101: /* V9 fmovscc %icc */
1647
                        cond = GET_FIELD_SP(insn, 14, 17);
1648
                        gen_op_load_fpr_FT0(rd);
1649
                        gen_op_load_fpr_FT1(rs2);
1650
                        flush_T2(dc);
1651
                        gen_cond[0][cond]();
1652
                        gen_op_fmovs_cc();
1653
                        gen_op_store_FT0_fpr(rd);
1654
                        break;
1655
                    case 0x102: /* V9 fmovdcc %icc */
1656
                        cond = GET_FIELD_SP(insn, 14, 17);
1657
                        gen_op_load_fpr_DT0(rd);
1658
                        gen_op_load_fpr_DT1(rs2);
1659
                        flush_T2(dc);
1660
                        gen_cond[0][cond]();
1661
                        gen_op_fmovd_cc();
1662
                        gen_op_store_DT0_fpr(rd);
1663
                        break;
1664
                    case 0x103: /* V9 fmovqcc %icc */
1665
                        goto nfpu_insn;
1666
                    case 0x181: /* V9 fmovscc %xcc */
1667
                        cond = GET_FIELD_SP(insn, 14, 17);
1668
                        gen_op_load_fpr_FT0(rd);
1669
                        gen_op_load_fpr_FT1(rs2);
1670
                        flush_T2(dc);
1671
                        gen_cond[1][cond]();
1672
                        gen_op_fmovs_cc();
1673
                        gen_op_store_FT0_fpr(rd);
1674
                        break;
1675
                    case 0x182: /* V9 fmovdcc %xcc */
1676
                        cond = GET_FIELD_SP(insn, 14, 17);
1677
                        gen_op_load_fpr_DT0(rd);
1678
                        gen_op_load_fpr_DT1(rs2);
1679
                        flush_T2(dc);
1680
                        gen_cond[1][cond]();
1681
                        gen_op_fmovd_cc();
1682
                        gen_op_store_DT0_fpr(rd);
1683
                        break;
1684
                    case 0x183: /* V9 fmovqcc %xcc */
1685
                        goto nfpu_insn;
1686
#endif
1687
                    case 0x51: /* V9 %fcc */
1688
                        gen_op_load_fpr_FT0(rs1);
1689
                        gen_op_load_fpr_FT1(rs2);
1690
#ifdef TARGET_SPARC64
1691
                        gen_fcmps[rd & 3]();
1692
#else
1693
                        gen_op_fcmps();
1694
#endif
1695
                        break;
1696
                    case 0x52: /* V9 %fcc */
1697
                        gen_op_load_fpr_DT0(DFPREG(rs1));
1698
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1699
#ifdef TARGET_SPARC64
1700
                        gen_fcmpd[rd & 3]();
1701
#else
1702
                        gen_op_fcmpd();
1703
#endif
1704
                        break;
1705
                    case 0x53: /* fcmpq */
1706
                        goto nfpu_insn;
1707
                    case 0x55: /* fcmpes, V9 %fcc */
1708
                        gen_op_load_fpr_FT0(rs1);
1709
                        gen_op_load_fpr_FT1(rs2);
1710
#ifdef TARGET_SPARC64
1711
                        gen_fcmpes[rd & 3]();
1712
#else
1713
                        gen_op_fcmpes();
1714
#endif
1715
                        break;
1716
                    case 0x56: /* fcmped, V9 %fcc */
1717
                        gen_op_load_fpr_DT0(DFPREG(rs1));
1718
                        gen_op_load_fpr_DT1(DFPREG(rs2));
1719
#ifdef TARGET_SPARC64
1720
                        gen_fcmped[rd & 3]();
1721
#else
1722
                        gen_op_fcmped();
1723
#endif
1724
                        break;
1725
                    case 0x57: /* fcmpeq */
1726
                        goto nfpu_insn;
1727
                    default:
1728
                        goto illegal_insn;
1729
                }
1730
#if defined(OPTIM)
1731
            } else if (xop == 0x2) {
1732
                // clr/mov shortcut
1733

    
1734
                rs1 = GET_FIELD(insn, 13, 17);
1735
                if (rs1 == 0) {
1736
                    // or %g0, x, y -> mov T1, x; mov y, T1
1737
                    if (IS_IMM) {        /* immediate */
1738
                        rs2 = GET_FIELDs(insn, 19, 31);
1739
                        gen_movl_simm_T1(rs2);
1740
                    } else {                /* register */
1741
                        rs2 = GET_FIELD(insn, 27, 31);
1742
                        gen_movl_reg_T1(rs2);
1743
                    }
1744
                    gen_movl_T1_reg(rd);
1745
                } else {
1746
                    gen_movl_reg_T0(rs1);
1747
                    if (IS_IMM) {        /* immediate */
1748
                        // or x, #0, y -> mov T1, x; mov y, T1
1749
                        rs2 = GET_FIELDs(insn, 19, 31);
1750
                        if (rs2 != 0) {
1751
                            gen_movl_simm_T1(rs2);
1752
                            gen_op_or_T1_T0();
1753
                        }
1754
                    } else {                /* register */
1755
                        // or x, %g0, y -> mov T1, x; mov y, T1
1756
                        rs2 = GET_FIELD(insn, 27, 31);
1757
                        if (rs2 != 0) {
1758
                            gen_movl_reg_T1(rs2);
1759
                            gen_op_or_T1_T0();
1760
                        }
1761
                    }
1762
                    gen_movl_T0_reg(rd);
1763
                }
1764
#endif
1765
#ifdef TARGET_SPARC64
1766
            } else if (xop == 0x25) { /* sll, V9 sllx */
1767
                rs1 = GET_FIELD(insn, 13, 17);
1768
                gen_movl_reg_T0(rs1);
1769
                if (IS_IMM) {        /* immediate */
1770
                    rs2 = GET_FIELDs(insn, 20, 31);
1771
                    gen_movl_simm_T1(rs2);
1772
                } else {                /* register */
1773
                    rs2 = GET_FIELD(insn, 27, 31);
1774
                    gen_movl_reg_T1(rs2);
1775
                }
1776
                if (insn & (1 << 12))
1777
                    gen_op_sllx();
1778
                else
1779
                    gen_op_sll();
1780
                gen_movl_T0_reg(rd);
1781
            } else if (xop == 0x26) { /* srl, V9 srlx */
1782
                rs1 = GET_FIELD(insn, 13, 17);
1783
                gen_movl_reg_T0(rs1);
1784
                if (IS_IMM) {        /* immediate */
1785
                    rs2 = GET_FIELDs(insn, 20, 31);
1786
                    gen_movl_simm_T1(rs2);
1787
                } else {                /* register */
1788
                    rs2 = GET_FIELD(insn, 27, 31);
1789
                    gen_movl_reg_T1(rs2);
1790
                }
1791
                if (insn & (1 << 12))
1792
                    gen_op_srlx();
1793
                else
1794
                    gen_op_srl();
1795
                gen_movl_T0_reg(rd);
1796
            } else if (xop == 0x27) { /* sra, V9 srax */
1797
                rs1 = GET_FIELD(insn, 13, 17);
1798
                gen_movl_reg_T0(rs1);
1799
                if (IS_IMM) {        /* immediate */
1800
                    rs2 = GET_FIELDs(insn, 20, 31);
1801
                    gen_movl_simm_T1(rs2);
1802
                } else {                /* register */
1803
                    rs2 = GET_FIELD(insn, 27, 31);
1804
                    gen_movl_reg_T1(rs2);
1805
                }
1806
                if (insn & (1 << 12))
1807
                    gen_op_srax();
1808
                else
1809
                    gen_op_sra();
1810
                gen_movl_T0_reg(rd);
1811
#endif
1812
            } else if (xop < 0x36) {
1813
                rs1 = GET_FIELD(insn, 13, 17);
1814
                gen_movl_reg_T0(rs1);
1815
                if (IS_IMM) {        /* immediate */
1816
                    rs2 = GET_FIELDs(insn, 19, 31);
1817
                    gen_movl_simm_T1(rs2);
1818
                } else {                /* register */
1819
                    rs2 = GET_FIELD(insn, 27, 31);
1820
                    gen_movl_reg_T1(rs2);
1821
                }
1822
                if (xop < 0x20) {
1823
                    switch (xop & ~0x10) {
1824
                    case 0x0:
1825
                        if (xop & 0x10)
1826
                            gen_op_add_T1_T0_cc();
1827
                        else
1828
                            gen_op_add_T1_T0();
1829
                        break;
1830
                    case 0x1:
1831
                        gen_op_and_T1_T0();
1832
                        if (xop & 0x10)
1833
                            gen_op_logic_T0_cc();
1834
                        break;
1835
                    case 0x2:
1836
                        gen_op_or_T1_T0();
1837
                        if (xop & 0x10)
1838
                            gen_op_logic_T0_cc();
1839
                        break;
1840
                    case 0x3:
1841
                        gen_op_xor_T1_T0();
1842
                        if (xop & 0x10)
1843
                            gen_op_logic_T0_cc();
1844
                        break;
1845
                    case 0x4:
1846
                        if (xop & 0x10)
1847
                            gen_op_sub_T1_T0_cc();
1848
                        else
1849
                            gen_op_sub_T1_T0();
1850
                        break;
1851
                    case 0x5:
1852
                        gen_op_andn_T1_T0();
1853
                        if (xop & 0x10)
1854
                            gen_op_logic_T0_cc();
1855
                        break;
1856
                    case 0x6:
1857
                        gen_op_orn_T1_T0();
1858
                        if (xop & 0x10)
1859
                            gen_op_logic_T0_cc();
1860
                        break;
1861
                    case 0x7:
1862
                        gen_op_xnor_T1_T0();
1863
                        if (xop & 0x10)
1864
                            gen_op_logic_T0_cc();
1865
                        break;
1866
                    case 0x8:
1867
                        if (xop & 0x10)
1868
                            gen_op_addx_T1_T0_cc();
1869
                        else
1870
                            gen_op_addx_T1_T0();
1871
                        break;
1872
#ifdef TARGET_SPARC64
1873
                    case 0x9: /* V9 mulx */
1874
                        gen_op_mulx_T1_T0();
1875
                        break;
1876
#endif
1877
                    case 0xa:
1878
                        gen_op_umul_T1_T0();
1879
                        if (xop & 0x10)
1880
                            gen_op_logic_T0_cc();
1881
                        break;
1882
                    case 0xb:
1883
                        gen_op_smul_T1_T0();
1884
                        if (xop & 0x10)
1885
                            gen_op_logic_T0_cc();
1886
                        break;
1887
                    case 0xc:
1888
                        if (xop & 0x10)
1889
                            gen_op_subx_T1_T0_cc();
1890
                        else
1891
                            gen_op_subx_T1_T0();
1892
                        break;
1893
#ifdef TARGET_SPARC64
1894
                    case 0xd: /* V9 udivx */
1895
                        gen_op_udivx_T1_T0();
1896
                        break;
1897
#endif
1898
                    case 0xe:
1899
                        gen_op_udiv_T1_T0();
1900
                        if (xop & 0x10)
1901
                            gen_op_div_cc();
1902
                        break;
1903
                    case 0xf:
1904
                        gen_op_sdiv_T1_T0();
1905
                        if (xop & 0x10)
1906
                            gen_op_div_cc();
1907
                        break;
1908
                    default:
1909
                        goto illegal_insn;
1910
                    }
1911
                    gen_movl_T0_reg(rd);
1912
                } else {
1913
                    switch (xop) {
1914
                    case 0x20: /* taddcc */
1915
                        gen_op_tadd_T1_T0_cc();
1916
                        gen_movl_T0_reg(rd);
1917
                        break;
1918
                    case 0x21: /* tsubcc */
1919
                        gen_op_tsub_T1_T0_cc();
1920
                        gen_movl_T0_reg(rd);
1921
                        break;
1922
                    case 0x22: /* taddcctv */
1923
                        gen_op_tadd_T1_T0_ccTV();
1924
                        gen_movl_T0_reg(rd);
1925
                        break;
1926
                    case 0x23: /* tsubcctv */
1927
                        gen_op_tsub_T1_T0_ccTV();
1928
                        gen_movl_T0_reg(rd);
1929
                        break;
1930
                    case 0x24: /* mulscc */
1931
                        gen_op_mulscc_T1_T0();
1932
                        gen_movl_T0_reg(rd);
1933
                        break;
1934
#ifndef TARGET_SPARC64
1935
                    case 0x25:        /* sll */
1936
                        gen_op_sll();
1937
                        gen_movl_T0_reg(rd);
1938
                        break;
1939
                    case 0x26:  /* srl */
1940
                        gen_op_srl();
1941
                        gen_movl_T0_reg(rd);
1942
                        break;
1943
                    case 0x27:  /* sra */
1944
                        gen_op_sra();
1945
                        gen_movl_T0_reg(rd);
1946
                        break;
1947
#endif
1948
                    case 0x30:
1949
                        {
1950
                            switch(rd) {
1951
                            case 0: /* wry */
1952
                                gen_op_xor_T1_T0();
1953
                                gen_op_movtl_env_T0(offsetof(CPUSPARCState, y));
1954
                                break;
1955
#ifndef TARGET_SPARC64
1956
                            case 0x01 ... 0x0f: /* undefined in the
1957
                                                   SPARCv8 manual, nop
1958
                                                   on the microSPARC
1959
                                                   II */
1960
                            case 0x10 ... 0x1f: /* implementation-dependent
1961
                                                   in the SPARCv8
1962
                                                   manual, nop on the
1963
                                                   microSPARC II */
1964
                                break;
1965
#else
1966
                            case 0x2: /* V9 wrccr */
1967
                                gen_op_wrccr();
1968
                                break;
1969
                            case 0x3: /* V9 wrasi */
1970
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, asi));
1971
                                break;
1972
                            case 0x6: /* V9 wrfprs */
1973
                                gen_op_xor_T1_T0();
1974
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, fprs));
1975
                                save_state(dc);
1976
                                gen_op_next_insn();
1977
                                gen_op_movl_T0_0();
1978
                                gen_op_exit_tb();
1979
                                dc->is_br = 1;
1980
                                break;
1981
                            case 0xf: /* V9 sir, nop if user */
1982
#if !defined(CONFIG_USER_ONLY)
1983
                                if (supervisor(dc))
1984
                                    gen_op_sir();
1985
#endif
1986
                                break;
1987
                            case 0x13: /* Graphics Status */
1988
                                if (gen_trap_ifnofpu(dc))
1989
                                    goto jmp_insn;
1990
                                gen_op_movtl_env_T0(offsetof(CPUSPARCState, gsr));
1991
                                break;
1992
                            case 0x17: /* Tick compare */
1993
#if !defined(CONFIG_USER_ONLY)
1994
                                if (!supervisor(dc))
1995
                                    goto illegal_insn;
1996
#endif
1997
                                gen_op_movtl_env_T0(offsetof(CPUSPARCState, tick_cmpr));
1998
                                gen_op_wrtick_cmpr();
1999
                                break;
2000
                            case 0x18: /* System tick */
2001
#if !defined(CONFIG_USER_ONLY)
2002
                                if (!supervisor(dc))
2003
                                    goto illegal_insn;
2004
#endif
2005
                                gen_op_wrstick();
2006
                                break;
2007
                            case 0x19: /* System tick compare */
2008
#if !defined(CONFIG_USER_ONLY)
2009
                                if (!supervisor(dc))
2010
                                    goto illegal_insn;
2011
#endif
2012
                                gen_op_movtl_env_T0(offsetof(CPUSPARCState, stick_cmpr));
2013
                                gen_op_wrstick_cmpr();
2014
                                break;
2015

    
2016
                            case 0x10: /* Performance Control */
2017
                            case 0x11: /* Performance Instrumentation Counter */
2018
                            case 0x12: /* Dispatch Control */
2019
                            case 0x14: /* Softint set */
2020
                            case 0x15: /* Softint clear */
2021
                            case 0x16: /* Softint write */
2022
#endif
2023
                            default:
2024
                                goto illegal_insn;
2025
                            }
2026
                        }
2027
                        break;
2028
#if !defined(CONFIG_USER_ONLY)
2029
                    case 0x31: /* wrpsr, V9 saved, restored */
2030
                        {
2031
                            if (!supervisor(dc))
2032
                                goto priv_insn;
2033
#ifdef TARGET_SPARC64
2034
                            switch (rd) {
2035
                            case 0:
2036
                                gen_op_saved();
2037
                                break;
2038
                            case 1:
2039
                                gen_op_restored();
2040
                                break;
2041
                            case 2: /* UA2005 allclean */
2042
                            case 3: /* UA2005 otherw */
2043
                            case 4: /* UA2005 normalw */
2044
                            case 5: /* UA2005 invalw */
2045
                                // XXX
2046
                            default:
2047
                                goto illegal_insn;
2048
                            }
2049
#else
2050
                            gen_op_xor_T1_T0();
2051
                            gen_op_wrpsr();
2052
                            save_state(dc);
2053
                            gen_op_next_insn();
2054
                            gen_op_movl_T0_0();
2055
                            gen_op_exit_tb();
2056
                            dc->is_br = 1;
2057
#endif
2058
                        }
2059
                        break;
2060
                    case 0x32: /* wrwim, V9 wrpr */
2061
                        {
2062
                            if (!supervisor(dc))
2063
                                goto priv_insn;
2064
                            gen_op_xor_T1_T0();
2065
#ifdef TARGET_SPARC64
2066
                            switch (rd) {
2067
                            case 0: // tpc
2068
                                gen_op_wrtpc();
2069
                                break;
2070
                            case 1: // tnpc
2071
                                gen_op_wrtnpc();
2072
                                break;
2073
                            case 2: // tstate
2074
                                gen_op_wrtstate();
2075
                                break;
2076
                            case 3: // tt
2077
                                gen_op_wrtt();
2078
                                break;
2079
                            case 4: // tick
2080
                                gen_op_wrtick();
2081
                                break;
2082
                            case 5: // tba
2083
                                gen_op_movtl_env_T0(offsetof(CPUSPARCState, tbr));
2084
                                break;
2085
                            case 6: // pstate
2086
                                gen_op_wrpstate();
2087
                                save_state(dc);
2088
                                gen_op_next_insn();
2089
                                gen_op_movl_T0_0();
2090
                                gen_op_exit_tb();
2091
                                dc->is_br = 1;
2092
                                break;
2093
                            case 7: // tl
2094
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, tl));
2095
                                break;
2096
                            case 8: // pil
2097
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, psrpil));
2098
                                break;
2099
                            case 9: // cwp
2100
                                gen_op_wrcwp();
2101
                                break;
2102
                            case 10: // cansave
2103
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, cansave));
2104
                                break;
2105
                            case 11: // canrestore
2106
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, canrestore));
2107
                                break;
2108
                            case 12: // cleanwin
2109
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, cleanwin));
2110
                                break;
2111
                            case 13: // otherwin
2112
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, otherwin));
2113
                                break;
2114
                            case 14: // wstate
2115
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, wstate));
2116
                                break;
2117
                            case 16: // UA2005 gl
2118
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, gl));
2119
                                break;
2120
                            case 26: // UA2005 strand status
2121
                                if (!hypervisor(dc))
2122
                                    goto priv_insn;
2123
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, ssr));
2124
                                break;
2125
                            default:
2126
                                goto illegal_insn;
2127
                            }
2128
#else
2129
                            gen_op_wrwim();
2130
#endif
2131
                        }
2132
                        break;
2133
                    case 0x33: /* wrtbr, UA2005 wrhpr */
2134
                        {
2135
#ifndef TARGET_SPARC64
2136
                            if (!supervisor(dc))
2137
                                goto priv_insn;
2138
                            gen_op_xor_T1_T0();
2139
                            gen_op_movtl_env_T0(offsetof(CPUSPARCState, tbr));
2140
#else
2141
                            if (!hypervisor(dc))
2142
                                goto priv_insn;
2143
                            gen_op_xor_T1_T0();
2144
                            switch (rd) {
2145
                            case 0: // hpstate
2146
                                // XXX gen_op_wrhpstate();
2147
                                save_state(dc);
2148
                                gen_op_next_insn();
2149
                                gen_op_movl_T0_0();
2150
                                gen_op_exit_tb();
2151
                                dc->is_br = 1;
2152
                                break;
2153
                            case 1: // htstate
2154
                                // XXX gen_op_wrhtstate();
2155
                                break;
2156
                            case 3: // hintp
2157
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, hintp));
2158
                                break;
2159
                            case 5: // htba
2160
                                gen_op_movl_env_T0(offsetof(CPUSPARCState, htba));
2161
                                break;
2162
                            case 31: // hstick_cmpr
2163
                                gen_op_movtl_env_T0(offsetof(CPUSPARCState, hstick_cmpr));
2164
                                gen_op_wrhstick_cmpr();
2165
                                break;
2166
                            case 6: // hver readonly
2167
                            default:
2168
                                goto illegal_insn;
2169
                            }
2170
#endif
2171
                        }
2172
                        break;
2173
#endif
2174
#ifdef TARGET_SPARC64
2175
                    case 0x2c: /* V9 movcc */
2176
                        {
2177
                            int cc = GET_FIELD_SP(insn, 11, 12);
2178
                            int cond = GET_FIELD_SP(insn, 14, 17);
2179
                            if (IS_IMM) {        /* immediate */
2180
                                rs2 = GET_FIELD_SPs(insn, 0, 10);
2181
                                gen_movl_simm_T1(rs2);
2182
                            }
2183
                            else {
2184
                                rs2 = GET_FIELD_SP(insn, 0, 4);
2185
                                gen_movl_reg_T1(rs2);
2186
                            }
2187
                            gen_movl_reg_T0(rd);
2188
                            flush_T2(dc);
2189
                            if (insn & (1 << 18)) {
2190
                                if (cc == 0)
2191
                                    gen_cond[0][cond]();
2192
                                else if (cc == 2)
2193
                                    gen_cond[1][cond]();
2194
                                else
2195
                                    goto illegal_insn;
2196
                            } else {
2197
                                gen_fcond[cc][cond]();
2198
                            }
2199
                            gen_op_mov_cc();
2200
                            gen_movl_T0_reg(rd);
2201
                            break;
2202
                        }
2203
                    case 0x2d: /* V9 sdivx */
2204
                        gen_op_sdivx_T1_T0();
2205
                        gen_movl_T0_reg(rd);
2206
                        break;
2207
                    case 0x2e: /* V9 popc */
2208
                        {
2209
                            if (IS_IMM) {        /* immediate */
2210
                                rs2 = GET_FIELD_SPs(insn, 0, 12);
2211
                                gen_movl_simm_T1(rs2);
2212
                                // XXX optimize: popc(constant)
2213
                            }
2214
                            else {
2215
                                rs2 = GET_FIELD_SP(insn, 0, 4);
2216
                                gen_movl_reg_T1(rs2);
2217
                            }
2218
                            gen_op_popc();
2219
                            gen_movl_T0_reg(rd);
2220
                        }
2221
                    case 0x2f: /* V9 movr */
2222
                        {
2223
                            int cond = GET_FIELD_SP(insn, 10, 12);
2224
                            rs1 = GET_FIELD(insn, 13, 17);
2225
                            flush_T2(dc);
2226
                            gen_movl_reg_T0(rs1);
2227
                            gen_cond_reg(cond);
2228
                            if (IS_IMM) {        /* immediate */
2229
                                rs2 = GET_FIELD_SPs(insn, 0, 10);
2230
                                gen_movl_simm_T1(rs2);
2231
                            }
2232
                            else {
2233
                                rs2 = GET_FIELD_SP(insn, 0, 4);
2234
                                gen_movl_reg_T1(rs2);
2235
                            }
2236
                            gen_movl_reg_T0(rd);
2237
                            gen_op_mov_cc();
2238
                            gen_movl_T0_reg(rd);
2239
                            break;
2240
                        }
2241
#endif
2242
                    default:
2243
                        goto illegal_insn;
2244
                    }
2245
                }
2246
            } else if (xop == 0x36) { /* UltraSparc shutdown, VIS, V8 CPop1 */
2247
#ifdef TARGET_SPARC64
2248
                int opf = GET_FIELD_SP(insn, 5, 13);
2249
                rs1 = GET_FIELD(insn, 13, 17);
2250
                rs2 = GET_FIELD(insn, 27, 31);
2251
                if (gen_trap_ifnofpu(dc))
2252
                    goto jmp_insn;
2253

    
2254
                switch (opf) {
2255
                case 0x000: /* VIS I edge8cc */
2256
                case 0x001: /* VIS II edge8n */
2257
                case 0x002: /* VIS I edge8lcc */
2258
                case 0x003: /* VIS II edge8ln */
2259
                case 0x004: /* VIS I edge16cc */
2260
                case 0x005: /* VIS II edge16n */
2261
                case 0x006: /* VIS I edge16lcc */
2262
                case 0x007: /* VIS II edge16ln */
2263
                case 0x008: /* VIS I edge32cc */
2264
                case 0x009: /* VIS II edge32n */
2265
                case 0x00a: /* VIS I edge32lcc */
2266
                case 0x00b: /* VIS II edge32ln */
2267
                    // XXX
2268
                    goto illegal_insn;
2269
                case 0x010: /* VIS I array8 */
2270
                    gen_movl_reg_T0(rs1);
2271
                    gen_movl_reg_T1(rs2);
2272
                    gen_op_array8();
2273
                    gen_movl_T0_reg(rd);
2274
                    break;
2275
                case 0x012: /* VIS I array16 */
2276
                    gen_movl_reg_T0(rs1);
2277
                    gen_movl_reg_T1(rs2);
2278
                    gen_op_array16();
2279
                    gen_movl_T0_reg(rd);
2280
                    break;
2281
                case 0x014: /* VIS I array32 */
2282
                    gen_movl_reg_T0(rs1);
2283
                    gen_movl_reg_T1(rs2);
2284
                    gen_op_array32();
2285
                    gen_movl_T0_reg(rd);
2286
                    break;
2287
                case 0x018: /* VIS I alignaddr */
2288
                    gen_movl_reg_T0(rs1);
2289
                    gen_movl_reg_T1(rs2);
2290
                    gen_op_alignaddr();
2291
                    gen_movl_T0_reg(rd);
2292
                    break;
2293
                case 0x019: /* VIS II bmask */
2294
                case 0x01a: /* VIS I alignaddrl */
2295
                    // XXX
2296
                    goto illegal_insn;
2297
                case 0x020: /* VIS I fcmple16 */
2298
                    gen_op_load_fpr_DT0(rs1);
2299
                    gen_op_load_fpr_DT1(rs2);
2300
                    gen_op_fcmple16();
2301
                    gen_op_store_DT0_fpr(rd);
2302
                    break;
2303
                case 0x022: /* VIS I fcmpne16 */
2304
                    gen_op_load_fpr_DT0(rs1);
2305
                    gen_op_load_fpr_DT1(rs2);
2306
                    gen_op_fcmpne16();
2307
                    gen_op_store_DT0_fpr(rd);
2308
                    break;
2309
                case 0x024: /* VIS I fcmple32 */
2310
                    gen_op_load_fpr_DT0(rs1);
2311
                    gen_op_load_fpr_DT1(rs2);
2312
                    gen_op_fcmple32();
2313
                    gen_op_store_DT0_fpr(rd);
2314
                    break;
2315
                case 0x026: /* VIS I fcmpne32 */
2316
                    gen_op_load_fpr_DT0(rs1);
2317
                    gen_op_load_fpr_DT1(rs2);
2318
                    gen_op_fcmpne32();
2319
                    gen_op_store_DT0_fpr(rd);
2320
                    break;
2321
                case 0x028: /* VIS I fcmpgt16 */
2322
                    gen_op_load_fpr_DT0(rs1);
2323
                    gen_op_load_fpr_DT1(rs2);
2324
                    gen_op_fcmpgt16();
2325
                    gen_op_store_DT0_fpr(rd);
2326
                    break;
2327
                case 0x02a: /* VIS I fcmpeq16 */
2328
                    gen_op_load_fpr_DT0(rs1);
2329
                    gen_op_load_fpr_DT1(rs2);
2330
                    gen_op_fcmpeq16();
2331
                    gen_op_store_DT0_fpr(rd);
2332
                    break;
2333
                case 0x02c: /* VIS I fcmpgt32 */
2334
                    gen_op_load_fpr_DT0(rs1);
2335
                    gen_op_load_fpr_DT1(rs2);
2336
                    gen_op_fcmpgt32();
2337
                    gen_op_store_DT0_fpr(rd);
2338
                    break;
2339
                case 0x02e: /* VIS I fcmpeq32 */
2340
                    gen_op_load_fpr_DT0(rs1);
2341
                    gen_op_load_fpr_DT1(rs2);
2342
                    gen_op_fcmpeq32();
2343
                    gen_op_store_DT0_fpr(rd);
2344
                    break;
2345
                case 0x031: /* VIS I fmul8x16 */
2346
                    gen_op_load_fpr_DT0(rs1);
2347
                    gen_op_load_fpr_DT1(rs2);
2348
                    gen_op_fmul8x16();
2349
                    gen_op_store_DT0_fpr(rd);
2350
                    break;
2351
                case 0x033: /* VIS I fmul8x16au */
2352
                    gen_op_load_fpr_DT0(rs1);
2353
                    gen_op_load_fpr_DT1(rs2);
2354
                    gen_op_fmul8x16au();
2355
                    gen_op_store_DT0_fpr(rd);
2356
                    break;
2357
                case 0x035: /* VIS I fmul8x16al */
2358
                    gen_op_load_fpr_DT0(rs1);
2359
                    gen_op_load_fpr_DT1(rs2);
2360
                    gen_op_fmul8x16al();
2361
                    gen_op_store_DT0_fpr(rd);
2362
                    break;
2363
                case 0x036: /* VIS I fmul8sux16 */
2364
                    gen_op_load_fpr_DT0(rs1);
2365
                    gen_op_load_fpr_DT1(rs2);
2366
                    gen_op_fmul8sux16();
2367
                    gen_op_store_DT0_fpr(rd);
2368
                    break;
2369
                case 0x037: /* VIS I fmul8ulx16 */
2370
                    gen_op_load_fpr_DT0(rs1);
2371
                    gen_op_load_fpr_DT1(rs2);
2372
                    gen_op_fmul8ulx16();
2373
                    gen_op_store_DT0_fpr(rd);
2374
                    break;
2375
                case 0x038: /* VIS I fmuld8sux16 */
2376
                    gen_op_load_fpr_DT0(rs1);
2377
                    gen_op_load_fpr_DT1(rs2);
2378
                    gen_op_fmuld8sux16();
2379
                    gen_op_store_DT0_fpr(rd);
2380
                    break;
2381
                case 0x039: /* VIS I fmuld8ulx16 */
2382
                    gen_op_load_fpr_DT0(rs1);
2383
                    gen_op_load_fpr_DT1(rs2);
2384
                    gen_op_fmuld8ulx16();
2385
                    gen_op_store_DT0_fpr(rd);
2386
                    break;
2387
                case 0x03a: /* VIS I fpack32 */
2388
                case 0x03b: /* VIS I fpack16 */
2389
                case 0x03d: /* VIS I fpackfix */
2390
                case 0x03e: /* VIS I pdist */
2391
                    // XXX
2392
                    goto illegal_insn;
2393
                case 0x048: /* VIS I faligndata */
2394
                    gen_op_load_fpr_DT0(rs1);
2395
                    gen_op_load_fpr_DT1(rs2);
2396
                    gen_op_faligndata();
2397
                    gen_op_store_DT0_fpr(rd);
2398
                    break;
2399
                case 0x04b: /* VIS I fpmerge */
2400
                    gen_op_load_fpr_DT0(rs1);
2401
                    gen_op_load_fpr_DT1(rs2);
2402
                    gen_op_fpmerge();
2403
                    gen_op_store_DT0_fpr(rd);
2404
                    break;
2405
                case 0x04c: /* VIS II bshuffle */
2406
                    // XXX
2407
                    goto illegal_insn;
2408
                case 0x04d: /* VIS I fexpand */
2409
                    gen_op_load_fpr_DT0(rs1);
2410
                    gen_op_load_fpr_DT1(rs2);
2411
                    gen_op_fexpand();
2412
                    gen_op_store_DT0_fpr(rd);
2413
                    break;
2414
                case 0x050: /* VIS I fpadd16 */
2415
                    gen_op_load_fpr_DT0(rs1);
2416
                    gen_op_load_fpr_DT1(rs2);
2417
                    gen_op_fpadd16();
2418
                    gen_op_store_DT0_fpr(rd);
2419
                    break;
2420
                case 0x051: /* VIS I fpadd16s */
2421
                    gen_op_load_fpr_FT0(rs1);
2422
                    gen_op_load_fpr_FT1(rs2);
2423
                    gen_op_fpadd16s();
2424
                    gen_op_store_FT0_fpr(rd);
2425
                    break;
2426
                case 0x052: /* VIS I fpadd32 */
2427
                    gen_op_load_fpr_DT0(rs1);
2428
                    gen_op_load_fpr_DT1(rs2);
2429
                    gen_op_fpadd32();
2430
                    gen_op_store_DT0_fpr(rd);
2431
                    break;
2432
                case 0x053: /* VIS I fpadd32s */
2433
                    gen_op_load_fpr_FT0(rs1);
2434
                    gen_op_load_fpr_FT1(rs2);
2435
                    gen_op_fpadd32s();
2436
                    gen_op_store_FT0_fpr(rd);
2437
                    break;
2438
                case 0x054: /* VIS I fpsub16 */
2439
                    gen_op_load_fpr_DT0(rs1);
2440
                    gen_op_load_fpr_DT1(rs2);
2441
                    gen_op_fpsub16();
2442
                    gen_op_store_DT0_fpr(rd);
2443
                    break;
2444
                case 0x055: /* VIS I fpsub16s */
2445
                    gen_op_load_fpr_FT0(rs1);
2446
                    gen_op_load_fpr_FT1(rs2);
2447
                    gen_op_fpsub16s();
2448
                    gen_op_store_FT0_fpr(rd);
2449
                    break;
2450
                case 0x056: /* VIS I fpsub32 */
2451
                    gen_op_load_fpr_DT0(rs1);
2452
                    gen_op_load_fpr_DT1(rs2);
2453
                    gen_op_fpadd32();
2454
                    gen_op_store_DT0_fpr(rd);
2455
                    break;
2456
                case 0x057: /* VIS I fpsub32s */
2457
                    gen_op_load_fpr_FT0(rs1);
2458
                    gen_op_load_fpr_FT1(rs2);
2459
                    gen_op_fpsub32s();
2460
                    gen_op_store_FT0_fpr(rd);
2461
                    break;
2462
                case 0x060: /* VIS I fzero */
2463
                    gen_op_movl_DT0_0();
2464
                    gen_op_store_DT0_fpr(rd);
2465
                    break;
2466
                case 0x061: /* VIS I fzeros */
2467
                    gen_op_movl_FT0_0();
2468
                    gen_op_store_FT0_fpr(rd);
2469
                    break;
2470
                case 0x062: /* VIS I fnor */
2471
                    gen_op_load_fpr_DT0(rs1);
2472
                    gen_op_load_fpr_DT1(rs2);
2473
                    gen_op_fnor();
2474
                    gen_op_store_DT0_fpr(rd);
2475
                    break;
2476
                case 0x063: /* VIS I fnors */
2477
                    gen_op_load_fpr_FT0(rs1);
2478
                    gen_op_load_fpr_FT1(rs2);
2479
                    gen_op_fnors();
2480
                    gen_op_store_FT0_fpr(rd);
2481
                    break;
2482
                case 0x064: /* VIS I fandnot2 */
2483
                    gen_op_load_fpr_DT1(rs1);
2484
                    gen_op_load_fpr_DT0(rs2);
2485
                    gen_op_fandnot();
2486
                    gen_op_store_DT0_fpr(rd);
2487
                    break;
2488
                case 0x065: /* VIS I fandnot2s */
2489
                    gen_op_load_fpr_FT1(rs1);
2490
                    gen_op_load_fpr_FT0(rs2);
2491
                    gen_op_fandnots();
2492
                    gen_op_store_FT0_fpr(rd);
2493
                    break;
2494
                case 0x066: /* VIS I fnot2 */
2495
                    gen_op_load_fpr_DT1(rs2);
2496
                    gen_op_fnot();
2497
                    gen_op_store_DT0_fpr(rd);
2498
                    break;
2499
                case 0x067: /* VIS I fnot2s */
2500
                    gen_op_load_fpr_FT1(rs2);
2501
                    gen_op_fnot();
2502
                    gen_op_store_FT0_fpr(rd);
2503
                    break;
2504
                case 0x068: /* VIS I fandnot1 */
2505
                    gen_op_load_fpr_DT0(rs1);
2506
                    gen_op_load_fpr_DT1(rs2);
2507
                    gen_op_fandnot();
2508
                    gen_op_store_DT0_fpr(rd);
2509
                    break;
2510
                case 0x069: /* VIS I fandnot1s */
2511
                    gen_op_load_fpr_FT0(rs1);
2512
                    gen_op_load_fpr_FT1(rs2);
2513
                    gen_op_fandnots();
2514
                    gen_op_store_FT0_fpr(rd);
2515
                    break;
2516
                case 0x06a: /* VIS I fnot1 */
2517
                    gen_op_load_fpr_DT1(rs1);
2518
                    gen_op_fnot();
2519
                    gen_op_store_DT0_fpr(rd);
2520
                    break;
2521
                case 0x06b: /* VIS I fnot1s */
2522
                    gen_op_load_fpr_FT1(rs1);
2523
                    gen_op_fnot();
2524
                    gen_op_store_FT0_fpr(rd);
2525
                    break;
2526
                case 0x06c: /* VIS I fxor */
2527
                    gen_op_load_fpr_DT0(rs1);
2528
                    gen_op_load_fpr_DT1(rs2);
2529
                    gen_op_fxor();
2530
                    gen_op_store_DT0_fpr(rd);
2531
                    break;
2532
                case 0x06d: /* VIS I fxors */
2533
                    gen_op_load_fpr_FT0(rs1);
2534
                    gen_op_load_fpr_FT1(rs2);
2535
                    gen_op_fxors();
2536
                    gen_op_store_FT0_fpr(rd);
2537
                    break;
2538
                case 0x06e: /* VIS I fnand */
2539
                    gen_op_load_fpr_DT0(rs1);
2540
                    gen_op_load_fpr_DT1(rs2);
2541
                    gen_op_fnand();
2542
                    gen_op_store_DT0_fpr(rd);
2543
                    break;
2544
                case 0x06f: /* VIS I fnands */
2545
                    gen_op_load_fpr_FT0(rs1);
2546
                    gen_op_load_fpr_FT1(rs2);
2547
                    gen_op_fnands();
2548
                    gen_op_store_FT0_fpr(rd);
2549
                    break;
2550
                case 0x070: /* VIS I fand */
2551
                    gen_op_load_fpr_DT0(rs1);
2552
                    gen_op_load_fpr_DT1(rs2);
2553
                    gen_op_fand();
2554
                    gen_op_store_DT0_fpr(rd);
2555
                    break;
2556
                case 0x071: /* VIS I fands */
2557
                    gen_op_load_fpr_FT0(rs1);
2558
                    gen_op_load_fpr_FT1(rs2);
2559
                    gen_op_fands();
2560
                    gen_op_store_FT0_fpr(rd);
2561
                    break;
2562
                case 0x072: /* VIS I fxnor */
2563
                    gen_op_load_fpr_DT0(rs1);
2564
                    gen_op_load_fpr_DT1(rs2);
2565
                    gen_op_fxnor();
2566
                    gen_op_store_DT0_fpr(rd);
2567
                    break;
2568
                case 0x073: /* VIS I fxnors */
2569
                    gen_op_load_fpr_FT0(rs1);
2570
                    gen_op_load_fpr_FT1(rs2);
2571
                    gen_op_fxnors();
2572
                    gen_op_store_FT0_fpr(rd);
2573
                    break;
2574
                case 0x074: /* VIS I fsrc1 */
2575
                    gen_op_load_fpr_DT0(rs1);
2576
                    gen_op_store_DT0_fpr(rd);
2577
                    break;
2578
                case 0x075: /* VIS I fsrc1s */
2579
                    gen_op_load_fpr_FT0(rs1);
2580
                    gen_op_store_FT0_fpr(rd);
2581
                    break;
2582
                case 0x076: /* VIS I fornot2 */
2583
                    gen_op_load_fpr_DT1(rs1);
2584
                    gen_op_load_fpr_DT0(rs2);
2585
                    gen_op_fornot();
2586
                    gen_op_store_DT0_fpr(rd);
2587
                    break;
2588
                case 0x077: /* VIS I fornot2s */
2589
                    gen_op_load_fpr_FT1(rs1);
2590
                    gen_op_load_fpr_FT0(rs2);
2591
                    gen_op_fornots();
2592
                    gen_op_store_FT0_fpr(rd);
2593
                    break;
2594
                case 0x078: /* VIS I fsrc2 */
2595
                    gen_op_load_fpr_DT0(rs2);
2596
                    gen_op_store_DT0_fpr(rd);
2597
                    break;
2598
                case 0x079: /* VIS I fsrc2s */
2599
                    gen_op_load_fpr_FT0(rs2);
2600
                    gen_op_store_FT0_fpr(rd);
2601
                    break;
2602
                case 0x07a: /* VIS I fornot1 */
2603
                    gen_op_load_fpr_DT0(rs1);
2604
                    gen_op_load_fpr_DT1(rs2);
2605
                    gen_op_fornot();
2606
                    gen_op_store_DT0_fpr(rd);
2607
                    break;
2608
                case 0x07b: /* VIS I fornot1s */
2609
                    gen_op_load_fpr_FT0(rs1);
2610
                    gen_op_load_fpr_FT1(rs2);
2611
                    gen_op_fornots();
2612
                    gen_op_store_FT0_fpr(rd);
2613
                    break;
2614
                case 0x07c: /* VIS I for */
2615
                    gen_op_load_fpr_DT0(rs1);
2616
                    gen_op_load_fpr_DT1(rs2);
2617
                    gen_op_for();
2618
                    gen_op_store_DT0_fpr(rd);
2619
                    break;
2620
                case 0x07d: /* VIS I fors */
2621
                    gen_op_load_fpr_FT0(rs1);
2622
                    gen_op_load_fpr_FT1(rs2);
2623
                    gen_op_fors();
2624
                    gen_op_store_FT0_fpr(rd);
2625
                    break;
2626
                case 0x07e: /* VIS I fone */
2627
                    gen_op_movl_DT0_1();
2628
                    gen_op_store_DT0_fpr(rd);
2629
                    break;
2630
                case 0x07f: /* VIS I fones */
2631
                    gen_op_movl_FT0_1();
2632
                    gen_op_store_FT0_fpr(rd);
2633
                    break;
2634
                case 0x080: /* VIS I shutdown */
2635
                case 0x081: /* VIS II siam */
2636
                    // XXX
2637
                    goto illegal_insn;
2638
                default:
2639
                    goto illegal_insn;
2640
                }
2641
#else
2642
                goto ncp_insn;
2643
#endif
2644
            } else if (xop == 0x37) { /* V8 CPop2, V9 impdep2 */
2645
#ifdef TARGET_SPARC64
2646
                goto illegal_insn;
2647
#else
2648
                goto ncp_insn;
2649
#endif
2650
#ifdef TARGET_SPARC64
2651
            } else if (xop == 0x39) { /* V9 return */
2652
                rs1 = GET_FIELD(insn, 13, 17);
2653
                gen_movl_reg_T0(rs1);
2654
                if (IS_IMM) {        /* immediate */
2655
                    rs2 = GET_FIELDs(insn, 19, 31);
2656
#if defined(OPTIM)
2657
                    if (rs2) {
2658
#endif
2659
                        gen_movl_simm_T1(rs2);
2660
                        gen_op_add_T1_T0();
2661
#if defined(OPTIM)
2662
                    }
2663
#endif
2664
                } else {                /* register */
2665
                    rs2 = GET_FIELD(insn, 27, 31);
2666
#if defined(OPTIM)
2667
                    if (rs2) {
2668
#endif
2669
                        gen_movl_reg_T1(rs2);
2670
                        gen_op_add_T1_T0();
2671
#if defined(OPTIM)
2672
                    }
2673
#endif
2674
                }
2675
                gen_op_restore();
2676
                gen_mov_pc_npc(dc);
2677
                gen_op_movl_npc_T0();
2678
                dc->npc = DYNAMIC_PC;
2679
                goto jmp_insn;
2680
#endif
2681
            } else {
2682
                rs1 = GET_FIELD(insn, 13, 17);
2683
                gen_movl_reg_T0(rs1);
2684
                if (IS_IMM) {        /* immediate */
2685
                    rs2 = GET_FIELDs(insn, 19, 31);
2686
#if defined(OPTIM)
2687
                    if (rs2) {
2688
#endif
2689
                        gen_movl_simm_T1(rs2);
2690
                        gen_op_add_T1_T0();
2691
#if defined(OPTIM)
2692
                    }
2693
#endif
2694
                } else {                /* register */
2695
                    rs2 = GET_FIELD(insn, 27, 31);
2696
#if defined(OPTIM)
2697
                    if (rs2) {
2698
#endif
2699
                        gen_movl_reg_T1(rs2);
2700
                        gen_op_add_T1_T0();
2701
#if defined(OPTIM)
2702
                    }
2703
#endif
2704
                }
2705
                switch (xop) {
2706
                case 0x38:        /* jmpl */
2707
                    {
2708
                        if (rd != 0) {
2709
#ifdef TARGET_SPARC64
2710
                            if (dc->pc == (uint32_t)dc->pc) {
2711
                                gen_op_movl_T1_im(dc->pc);
2712
                            } else {
2713
                                gen_op_movq_T1_im64(dc->pc >> 32, dc->pc);
2714
                            }
2715
#else
2716
                            gen_op_movl_T1_im(dc->pc);
2717
#endif
2718
                            gen_movl_T1_reg(rd);
2719
                        }
2720
                        gen_mov_pc_npc(dc);
2721
                        gen_op_movl_npc_T0();
2722
                        dc->npc = DYNAMIC_PC;
2723
                    }
2724
                    goto jmp_insn;
2725
#if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
2726
                case 0x39:        /* rett, V9 return */
2727
                    {
2728
                        if (!supervisor(dc))
2729
                            goto priv_insn;
2730
                        gen_mov_pc_npc(dc);
2731
                        gen_op_movl_npc_T0();
2732
                        dc->npc = DYNAMIC_PC;
2733
                        gen_op_rett();
2734
                    }
2735
                    goto jmp_insn;
2736
#endif
2737
                case 0x3b: /* flush */
2738
                    gen_op_flush_T0();
2739
                    break;
2740
                case 0x3c:        /* save */
2741
                    save_state(dc);
2742
                    gen_op_save();
2743
                    gen_movl_T0_reg(rd);
2744
                    break;
2745
                case 0x3d:        /* restore */
2746
                    save_state(dc);
2747
                    gen_op_restore();
2748
                    gen_movl_T0_reg(rd);
2749
                    break;
2750
#if !defined(CONFIG_USER_ONLY) && defined(TARGET_SPARC64)
2751
                case 0x3e:      /* V9 done/retry */
2752
                    {
2753
                        switch (rd) {
2754
                        case 0:
2755
                            if (!supervisor(dc))
2756
                                goto priv_insn;
2757
                            dc->npc = DYNAMIC_PC;
2758
                            dc->pc = DYNAMIC_PC;
2759
                            gen_op_done();
2760
                            goto jmp_insn;
2761
                        case 1:
2762
                            if (!supervisor(dc))
2763
                                goto priv_insn;
2764
                            dc->npc = DYNAMIC_PC;
2765
                            dc->pc = DYNAMIC_PC;
2766
                            gen_op_retry();
2767
                            goto jmp_insn;
2768
                        default:
2769
                            goto illegal_insn;
2770
                        }
2771
                    }
2772
                    break;
2773
#endif
2774
                default:
2775
                    goto illegal_insn;
2776
                }
2777
            }
2778
            break;
2779
        }
2780
        break;
2781
    case 3:                        /* load/store instructions */
2782
        {
2783
            unsigned int xop = GET_FIELD(insn, 7, 12);
2784
            rs1 = GET_FIELD(insn, 13, 17);
2785
            save_state(dc);
2786
            gen_movl_reg_T0(rs1);
2787
            if (IS_IMM) {        /* immediate */
2788
                rs2 = GET_FIELDs(insn, 19, 31);
2789
#if defined(OPTIM)
2790
                if (rs2 != 0) {
2791
#endif
2792
                    gen_movl_simm_T1(rs2);
2793
                    gen_op_add_T1_T0();
2794
#if defined(OPTIM)
2795
                }
2796
#endif
2797
            } else {                /* register */
2798
                rs2 = GET_FIELD(insn, 27, 31);
2799
#if defined(OPTIM)
2800
                if (rs2 != 0) {
2801
#endif
2802
                    gen_movl_reg_T1(rs2);
2803
                    gen_op_add_T1_T0();
2804
#if defined(OPTIM)
2805
                }
2806
#endif
2807
            }
2808
            if (xop < 4 || (xop > 7 && xop < 0x14 && xop != 0x0e) ||
2809
                (xop > 0x17 && xop <= 0x1d ) ||
2810
                (xop > 0x2c && xop <= 0x33) || xop == 0x1f || xop == 0x3d) {
2811
                switch (xop) {
2812
                case 0x0:        /* load word */
2813
                    gen_op_ldst(ld);
2814
                    break;
2815
                case 0x1:        /* load unsigned byte */
2816
                    gen_op_ldst(ldub);
2817
                    break;
2818
                case 0x2:        /* load unsigned halfword */
2819
                    gen_op_ldst(lduh);
2820
                    break;
2821
                case 0x3:        /* load double word */
2822
                    if (rd & 1)
2823
                        goto illegal_insn;
2824
                    gen_op_ldst(ldd);
2825
                    gen_movl_T0_reg(rd + 1);
2826
                    break;
2827
                case 0x9:        /* load signed byte */
2828
                    gen_op_ldst(ldsb);
2829
                    break;
2830
                case 0xa:        /* load signed halfword */
2831
                    gen_op_ldst(ldsh);
2832
                    break;
2833
                case 0xd:        /* ldstub -- XXX: should be atomically */
2834
                    gen_op_ldst(ldstub);
2835
                    break;
2836
                case 0x0f:        /* swap register with memory. Also atomically */
2837
                    gen_movl_reg_T1(rd);
2838
                    gen_op_ldst(swap);
2839
                    break;
2840
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
2841
                case 0x10:        /* load word alternate */
2842
#ifndef TARGET_SPARC64
2843
                    if (IS_IMM)
2844
                        goto illegal_insn;
2845
                    if (!supervisor(dc))
2846
                        goto priv_insn;
2847
#endif
2848
                    gen_op_lda(insn, 1, 4, 0);
2849
                    break;
2850
                case 0x11:        /* load unsigned byte alternate */
2851
#ifndef TARGET_SPARC64
2852
                    if (IS_IMM)
2853
                        goto illegal_insn;
2854
                    if (!supervisor(dc))
2855
                        goto priv_insn;
2856
#endif
2857
                    gen_op_lduba(insn, 1, 1, 0);
2858
                    break;
2859
                case 0x12:        /* load unsigned halfword alternate */
2860
#ifndef TARGET_SPARC64
2861
                    if (IS_IMM)
2862
                        goto illegal_insn;
2863
                    if (!supervisor(dc))
2864
                        goto priv_insn;
2865
#endif
2866
                    gen_op_lduha(insn, 1, 2, 0);
2867
                    break;
2868
                case 0x13:        /* load double word alternate */
2869
#ifndef TARGET_SPARC64
2870
                    if (IS_IMM)
2871
                        goto illegal_insn;
2872
                    if (!supervisor(dc))
2873
                        goto priv_insn;
2874
#endif
2875
                    if (rd & 1)
2876
                        goto illegal_insn;
2877
                    gen_op_ldda(insn, 1, 8, 0);
2878
                    gen_movl_T0_reg(rd + 1);
2879
                    break;
2880
                case 0x19:        /* load signed byte alternate */
2881
#ifndef TARGET_SPARC64
2882
                    if (IS_IMM)
2883
                        goto illegal_insn;
2884
                    if (!supervisor(dc))
2885
                        goto priv_insn;
2886
#endif
2887
                    gen_op_ldsba(insn, 1, 1, 1);
2888
                    break;
2889
                case 0x1a:        /* load signed halfword alternate */
2890
#ifndef TARGET_SPARC64
2891
                    if (IS_IMM)
2892
                        goto illegal_insn;
2893
                    if (!supervisor(dc))
2894
                        goto priv_insn;
2895
#endif
2896
                    gen_op_ldsha(insn, 1, 2 ,1);
2897
                    break;
2898
                case 0x1d:        /* ldstuba -- XXX: should be atomically */
2899
#ifndef TARGET_SPARC64
2900
                    if (IS_IMM)
2901
                        goto illegal_insn;
2902
                    if (!supervisor(dc))
2903
                        goto priv_insn;
2904
#endif
2905
                    gen_op_ldstuba(insn, 1, 1, 0);
2906
                    break;
2907
                case 0x1f:        /* swap reg with alt. memory. Also atomically */
2908
#ifndef TARGET_SPARC64
2909
                    if (IS_IMM)
2910
                        goto illegal_insn;
2911
                    if (!supervisor(dc))
2912
                        goto priv_insn;
2913
#endif
2914
                    gen_movl_reg_T1(rd);
2915
                    gen_op_swapa(insn, 1, 4, 0);
2916
                    break;
2917

    
2918
#ifndef TARGET_SPARC64
2919
                case 0x30: /* ldc */
2920
                case 0x31: /* ldcsr */
2921
                case 0x33: /* lddc */
2922
                    goto ncp_insn;
2923
                    /* avoid warnings */
2924
                    (void) &gen_op_stfa;
2925
                    (void) &gen_op_stdfa;
2926
                    (void) &gen_op_ldfa;
2927
                    (void) &gen_op_lddfa;
2928
#else
2929
#if !defined(CONFIG_USER_ONLY)
2930
                    (void) &gen_op_cas;
2931
                    (void) &gen_op_casx;
2932
#endif
2933
#endif
2934
#endif
2935
#ifdef TARGET_SPARC64
2936
                case 0x08: /* V9 ldsw */
2937
                    gen_op_ldst(ldsw);
2938
                    break;
2939
                case 0x0b: /* V9 ldx */
2940
                    gen_op_ldst(ldx);
2941
                    break;
2942
                case 0x18: /* V9 ldswa */
2943
                    gen_op_ldswa(insn, 1, 4, 1);
2944
                    break;
2945
                case 0x1b: /* V9 ldxa */
2946
                    gen_op_ldxa(insn, 1, 8, 0);
2947
                    break;
2948
                case 0x2d: /* V9 prefetch, no effect */
2949
                    goto skip_move;
2950
                case 0x30: /* V9 ldfa */
2951
                    gen_op_ldfa(insn, 1, 8, 0); // XXX
2952
                    break;
2953
                case 0x33: /* V9 lddfa */
2954
                    gen_op_lddfa(insn, 1, 8, 0); // XXX
2955

    
2956
                    break;
2957
                case 0x3d: /* V9 prefetcha, no effect */
2958
                    goto skip_move;
2959
                case 0x32: /* V9 ldqfa */
2960
                    goto nfpu_insn;
2961
#endif
2962
                default:
2963
                    goto illegal_insn;
2964
                }
2965
                gen_movl_T1_reg(rd);
2966
#ifdef TARGET_SPARC64
2967
            skip_move: ;
2968
#endif
2969
            } else if (xop >= 0x20 && xop < 0x24) {
2970
                if (gen_trap_ifnofpu(dc))
2971
                    goto jmp_insn;
2972
                switch (xop) {
2973
                case 0x20:        /* load fpreg */
2974
                    gen_op_ldst(ldf);
2975
                    gen_op_store_FT0_fpr(rd);
2976
                    break;
2977
                case 0x21:        /* load fsr */
2978
                    gen_op_ldst(ldf);
2979
                    gen_op_ldfsr();
2980
                    break;
2981
                case 0x22:      /* load quad fpreg */
2982
                    goto nfpu_insn;
2983
                case 0x23:        /* load double fpreg */
2984
                    gen_op_ldst(lddf);
2985
                    gen_op_store_DT0_fpr(DFPREG(rd));
2986
                    break;
2987
                default:
2988
                    goto illegal_insn;
2989
                }
2990
            } else if (xop < 8 || (xop >= 0x14 && xop < 0x18) || \
2991
                       xop == 0xe || xop == 0x1e) {
2992
                gen_movl_reg_T1(rd);
2993
                switch (xop) {
2994
                case 0x4:
2995
                    gen_op_ldst(st);
2996
                    break;
2997
                case 0x5:
2998
                    gen_op_ldst(stb);
2999
                    break;
3000
                case 0x6:
3001
                    gen_op_ldst(sth);
3002
                    break;
3003
                case 0x7:
3004
                    if (rd & 1)
3005
                        goto illegal_insn;
3006
                    flush_T2(dc);
3007
                    gen_movl_reg_T2(rd + 1);
3008
                    gen_op_ldst(std);
3009
                    break;
3010
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
3011
                case 0x14:
3012
#ifndef TARGET_SPARC64
3013
                    if (IS_IMM)
3014
                        goto illegal_insn;
3015
                    if (!supervisor(dc))
3016
                        goto priv_insn;
3017
#endif
3018
                    gen_op_sta(insn, 0, 4, 0);
3019
                    break;
3020
                case 0x15:
3021
#ifndef TARGET_SPARC64
3022
                    if (IS_IMM)
3023
                        goto illegal_insn;
3024
                    if (!supervisor(dc))
3025
                        goto priv_insn;
3026
#endif
3027
                    gen_op_stba(insn, 0, 1, 0);
3028
                    break;
3029
                case 0x16:
3030
#ifndef TARGET_SPARC64
3031
                    if (IS_IMM)
3032
                        goto illegal_insn;
3033
                    if (!supervisor(dc))
3034
                        goto priv_insn;
3035
#endif
3036
                    gen_op_stha(insn, 0, 2, 0);
3037
                    break;
3038
                case 0x17:
3039
#ifndef TARGET_SPARC64
3040
                    if (IS_IMM)
3041
                        goto illegal_insn;
3042
                    if (!supervisor(dc))
3043
                        goto priv_insn;
3044
#endif
3045
                    if (rd & 1)
3046
                        goto illegal_insn;
3047
                    flush_T2(dc);
3048
                    gen_movl_reg_T2(rd + 1);
3049
                    gen_op_stda(insn, 0, 8, 0);
3050
                    break;
3051
#endif
3052
#ifdef TARGET_SPARC64
3053
                case 0x0e: /* V9 stx */
3054
                    gen_op_ldst(stx);
3055
                    break;
3056
                case 0x1e: /* V9 stxa */
3057
                    gen_op_stxa(insn, 0, 8, 0); // XXX
3058
                    break;
3059
#endif
3060
                default:
3061
                    goto illegal_insn;
3062
                }
3063
            } else if (xop > 0x23 && xop < 0x28) {
3064
                if (gen_trap_ifnofpu(dc))
3065
                    goto jmp_insn;
3066
                switch (xop) {
3067
                case 0x24:
3068
                    gen_op_load_fpr_FT0(rd);
3069
                    gen_op_ldst(stf);
3070
                    break;
3071
                case 0x25: /* stfsr, V9 stxfsr */
3072
                    gen_op_stfsr();
3073
                    gen_op_ldst(stf);
3074
                    break;
3075
#if !defined(CONFIG_USER_ONLY)
3076
                case 0x26: /* stdfq */
3077
                    if (!supervisor(dc))
3078
                        goto priv_insn;
3079
                    if (gen_trap_ifnofpu(dc))
3080
                        goto jmp_insn;
3081
                    goto nfq_insn;
3082
#endif
3083
                case 0x27:
3084
                    gen_op_load_fpr_DT0(DFPREG(rd));
3085
                    gen_op_ldst(stdf);
3086
                    break;
3087
                default:
3088
                    goto illegal_insn;
3089
                }
3090
            } else if (xop > 0x33 && xop < 0x3f) {
3091
                switch (xop) {
3092
#ifdef TARGET_SPARC64
3093
                case 0x34: /* V9 stfa */
3094
                    gen_op_stfa(insn, 0, 0, 0); // XXX
3095
                    break;
3096
                case 0x37: /* V9 stdfa */
3097
                    gen_op_stdfa(insn, 0, 0, 0); // XXX
3098
                    break;
3099
                case 0x3c: /* V9 casa */
3100
                    gen_op_casa(insn, 0, 4, 0); // XXX
3101
                    break;
3102
                case 0x3e: /* V9 casxa */
3103
                    gen_op_casxa(insn, 0, 8, 0); // XXX
3104
                    break;
3105
                case 0x36: /* V9 stqfa */
3106
                    goto nfpu_insn;
3107
#else
3108
                case 0x34: /* stc */
3109
                case 0x35: /* stcsr */
3110
                case 0x36: /* stdcq */
3111
                case 0x37: /* stdc */
3112
                    goto ncp_insn;
3113
#endif
3114
                default:
3115
                    goto illegal_insn;
3116
                }
3117
            }
3118
            else
3119
                goto illegal_insn;
3120
        }
3121
        break;
3122
    }
3123
    /* default case for non jump instructions */
3124
    if (dc->npc == DYNAMIC_PC) {
3125
        dc->pc = DYNAMIC_PC;
3126
        gen_op_next_insn();
3127
    } else if (dc->npc == JUMP_PC) {
3128
        /* we can do a static jump */
3129
        gen_branch2(dc, dc->jump_pc[0], dc->jump_pc[1]);
3130
        dc->is_br = 1;
3131
    } else {
3132
        dc->pc = dc->npc;
3133
        dc->npc = dc->npc + 4;
3134
    }
3135
 jmp_insn:
3136
    return;
3137
 illegal_insn:
3138
    save_state(dc);
3139
    gen_op_exception(TT_ILL_INSN);
3140
    dc->is_br = 1;
3141
    return;
3142
#if !defined(CONFIG_USER_ONLY)
3143
 priv_insn:
3144
    save_state(dc);
3145
    gen_op_exception(TT_PRIV_INSN);
3146
    dc->is_br = 1;
3147
    return;
3148
#endif
3149
 nfpu_insn:
3150
    save_state(dc);
3151
    gen_op_fpexception_im(FSR_FTT_UNIMPFPOP);
3152
    dc->is_br = 1;
3153
    return;
3154
#if !defined(CONFIG_USER_ONLY)
3155
 nfq_insn:
3156
    save_state(dc);
3157
    gen_op_fpexception_im(FSR_FTT_SEQ_ERROR);
3158
    dc->is_br = 1;
3159
    return;
3160
#endif
3161
#ifndef TARGET_SPARC64
3162
 ncp_insn:
3163
    save_state(dc);
3164
    gen_op_exception(TT_NCP_INSN);
3165
    dc->is_br = 1;
3166
    return;
3167
#endif
3168
}
3169

    
3170
static inline int gen_intermediate_code_internal(TranslationBlock * tb,
3171
                                                 int spc, CPUSPARCState *env)
3172
{
3173
    target_ulong pc_start, last_pc;
3174
    uint16_t *gen_opc_end;
3175
    DisasContext dc1, *dc = &dc1;
3176
    int j, lj = -1;
3177

    
3178
    memset(dc, 0, sizeof(DisasContext));
3179
    dc->tb = tb;
3180
    pc_start = tb->pc;
3181
    dc->pc = pc_start;
3182
    last_pc = dc->pc;
3183
    dc->npc = (target_ulong) tb->cs_base;
3184
#if defined(CONFIG_USER_ONLY)
3185
    dc->mem_idx = 0;
3186
    dc->fpu_enabled = 1;
3187
#else
3188
    dc->mem_idx = ((env->psrs) != 0);
3189
#ifdef TARGET_SPARC64
3190
    dc->fpu_enabled = (((env->pstate & PS_PEF) != 0) && ((env->fprs & FPRS_FEF) != 0));
3191
#else
3192
    dc->fpu_enabled = ((env->psref) != 0);
3193
#endif
3194
#endif
3195
    gen_opc_ptr = gen_opc_buf;
3196
    gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
3197
    gen_opparam_ptr = gen_opparam_buf;
3198
    nb_gen_labels = 0;
3199

    
3200
    do {
3201
        if (env->nb_breakpoints > 0) {
3202
            for(j = 0; j < env->nb_breakpoints; j++) {
3203
                if (env->breakpoints[j] == dc->pc) {
3204
                    if (dc->pc != pc_start)
3205
                        save_state(dc);
3206
                    gen_op_debug();
3207
                    gen_op_movl_T0_0();
3208
                    gen_op_exit_tb();
3209
                    dc->is_br = 1;
3210
                    goto exit_gen_loop;
3211
                }
3212
            }
3213
        }
3214
        if (spc) {
3215
            if (loglevel > 0)
3216
                fprintf(logfile, "Search PC...\n");
3217
            j = gen_opc_ptr - gen_opc_buf;
3218
            if (lj < j) {
3219
                lj++;
3220
                while (lj < j)
3221
                    gen_opc_instr_start[lj++] = 0;
3222
                gen_opc_pc[lj] = dc->pc;
3223
                gen_opc_npc[lj] = dc->npc;
3224
                gen_opc_instr_start[lj] = 1;
3225
            }
3226
        }
3227
        last_pc = dc->pc;
3228
        disas_sparc_insn(dc);
3229

    
3230
        if (dc->is_br)
3231
            break;
3232
        /* if the next PC is different, we abort now */
3233
        if (dc->pc != (last_pc + 4))
3234
            break;
3235
        /* if we reach a page boundary, we stop generation so that the
3236
           PC of a TT_TFAULT exception is always in the right page */
3237
        if ((dc->pc & (TARGET_PAGE_SIZE - 1)) == 0)
3238
            break;
3239
        /* if single step mode, we generate only one instruction and
3240
           generate an exception */
3241
        if (env->singlestep_enabled) {
3242
            gen_jmp_im(dc->pc);
3243
            gen_op_movl_T0_0();
3244
            gen_op_exit_tb();
3245
            break;
3246
        }
3247
    } while ((gen_opc_ptr < gen_opc_end) &&
3248
             (dc->pc - pc_start) < (TARGET_PAGE_SIZE - 32));
3249

    
3250
 exit_gen_loop:
3251
    if (!dc->is_br) {
3252
        if (dc->pc != DYNAMIC_PC && 
3253
            (dc->npc != DYNAMIC_PC && dc->npc != JUMP_PC)) {
3254
            /* static PC and NPC: we can use direct chaining */
3255
            gen_branch(dc, dc->pc, dc->npc);
3256
        } else {
3257
            if (dc->pc != DYNAMIC_PC)
3258
                gen_jmp_im(dc->pc);
3259
            save_npc(dc);
3260
            gen_op_movl_T0_0();
3261
            gen_op_exit_tb();
3262
        }
3263
    }
3264
    *gen_opc_ptr = INDEX_op_end;
3265
    if (spc) {
3266
        j = gen_opc_ptr - gen_opc_buf;
3267
        lj++;
3268
        while (lj <= j)
3269
            gen_opc_instr_start[lj++] = 0;
3270
        tb->size = 0;
3271
#if 0
3272
        if (loglevel > 0) {
3273
            page_dump(logfile);
3274
        }
3275
#endif
3276
        gen_opc_jump_pc[0] = dc->jump_pc[0];
3277
        gen_opc_jump_pc[1] = dc->jump_pc[1];
3278
    } else {
3279
        tb->size = last_pc + 4 - pc_start;
3280
    }
3281
#ifdef DEBUG_DISAS
3282
    if (loglevel & CPU_LOG_TB_IN_ASM) {
3283
        fprintf(logfile, "--------------\n");
3284
        fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
3285
        target_disas(logfile, pc_start, last_pc + 4 - pc_start, 0);
3286
        fprintf(logfile, "\n");
3287
        if (loglevel & CPU_LOG_TB_OP) {
3288
            fprintf(logfile, "OP:\n");
3289
            dump_ops(gen_opc_buf, gen_opparam_buf);
3290
            fprintf(logfile, "\n");
3291
        }
3292
    }
3293
#endif
3294
    return 0;
3295
}
3296

    
3297
int gen_intermediate_code(CPUSPARCState * env, TranslationBlock * tb)
3298
{
3299
    return gen_intermediate_code_internal(tb, 0, env);
3300
}
3301

    
3302
int gen_intermediate_code_pc(CPUSPARCState * env, TranslationBlock * tb)
3303
{
3304
    return gen_intermediate_code_internal(tb, 1, env);
3305
}
3306

    
3307
extern int ram_size;
3308

    
3309
void cpu_reset(CPUSPARCState *env)
3310
{
3311
    tlb_flush(env, 1);
3312
    env->cwp = 0;
3313
    env->wim = 1;
3314
    env->regwptr = env->regbase + (env->cwp * 16);
3315
#if defined(CONFIG_USER_ONLY)
3316
    env->user_mode_only = 1;
3317
#ifdef TARGET_SPARC64
3318
    env->cleanwin = NWINDOWS - 1;
3319
    env->cansave = NWINDOWS - 1;
3320
#endif
3321
#else
3322
    env->psret = 0;
3323
    env->psrs = 1;
3324
    env->psrps = 1;
3325
#ifdef TARGET_SPARC64
3326
    env->pstate = PS_PRIV;
3327
    env->pc = 0x1fff0000000ULL;
3328
#else
3329
    env->pc = 0xffd00000;
3330
    env->mmuregs[0] &= ~(MMU_E | MMU_NF);
3331
#endif
3332
    env->npc = env->pc + 4;
3333
#endif
3334
}
3335

    
3336
CPUSPARCState *cpu_sparc_init(void)
3337
{
3338
    CPUSPARCState *env;
3339

    
3340
    env = qemu_mallocz(sizeof(CPUSPARCState));
3341
    if (!env)
3342
        return NULL;
3343
    cpu_exec_init(env);
3344
    cpu_reset(env);
3345
    return (env);
3346
}
3347

    
3348
static const sparc_def_t sparc_defs[] = {
3349
#ifdef TARGET_SPARC64
3350
    {
3351
        .name = "TI UltraSparc II",
3352
        .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0 << 24)
3353
                       | (MAXTL << 8) | (NWINDOWS - 1)),
3354
        .fpu_version = 0x00000000,
3355
        .mmu_version = 0,
3356
    },
3357
#else
3358
    {
3359
        .name = "Fujitsu MB86904",
3360
        .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
3361
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
3362
        .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
3363
    },
3364
    {
3365
        .name = "Fujitsu MB86907",
3366
        .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
3367
        .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
3368
        .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
3369
    },
3370
    {
3371
        .name = "TI MicroSparc I",
3372
        .iu_version = 0x41000000,
3373
        .fpu_version = 4 << 17,
3374
        .mmu_version = 0x41000000,
3375
    },
3376
    {
3377
        .name = "TI SuperSparc II",
3378
        .iu_version = 0x40000000,
3379
        .fpu_version = 0 << 17,
3380
        .mmu_version = 0x04000000,
3381
    },
3382
    {
3383
        .name = "Ross RT620",
3384
        .iu_version = 0x1e000000,
3385
        .fpu_version = 1 << 17,
3386
        .mmu_version = 0x17000000,
3387
    },
3388
#endif
3389
};
3390

    
3391
int sparc_find_by_name(const unsigned char *name, const sparc_def_t **def)
3392
{
3393
    int ret;
3394
    unsigned int i;
3395

    
3396
    ret = -1;
3397
    *def = NULL;
3398
    for (i = 0; i < sizeof(sparc_defs) / sizeof(sparc_def_t); i++) {
3399
        if (strcasecmp(name, sparc_defs[i].name) == 0) {
3400
            *def = &sparc_defs[i];
3401
            ret = 0;
3402
            break;
3403
        }
3404
    }
3405

    
3406
    return ret;
3407
}
3408

    
3409
void sparc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
3410
{
3411
    unsigned int i;
3412

    
3413
    for (i = 0; i < sizeof(sparc_defs) / sizeof(sparc_def_t); i++) {
3414
        (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x\n",
3415
                       sparc_defs[i].name,
3416
                       sparc_defs[i].iu_version,
3417
                       sparc_defs[i].fpu_version,
3418
                       sparc_defs[i].mmu_version);
3419
    }
3420
}
3421

    
3422
int cpu_sparc_register (CPUSPARCState *env, const sparc_def_t *def)
3423
{
3424
    env->version = def->iu_version;
3425
    env->fsr = def->fpu_version;
3426
#if !defined(TARGET_SPARC64)
3427
    env->mmuregs[0] = def->mmu_version;
3428
#endif
3429
    return 0;
3430
}
3431

    
3432
#define GET_FLAG(a,b) ((env->psr & a)?b:'-')
3433

    
3434
void cpu_dump_state(CPUState *env, FILE *f, 
3435
                    int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
3436
                    int flags)
3437
{
3438
    int i, x;
3439

    
3440
    cpu_fprintf(f, "pc: " TARGET_FMT_lx "  npc: " TARGET_FMT_lx "\n", env->pc, env->npc);
3441
    cpu_fprintf(f, "General Registers:\n");
3442
    for (i = 0; i < 4; i++)
3443
        cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
3444
    cpu_fprintf(f, "\n");
3445
    for (; i < 8; i++)
3446
        cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
3447
    cpu_fprintf(f, "\nCurrent Register Window:\n");
3448
    for (x = 0; x < 3; x++) {
3449
        for (i = 0; i < 4; i++)
3450
            cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
3451
                    (x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i,
3452
                    env->regwptr[i + x * 8]);
3453
        cpu_fprintf(f, "\n");
3454
        for (; i < 8; i++)
3455
            cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
3456
                    (x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i,
3457
                    env->regwptr[i + x * 8]);
3458
        cpu_fprintf(f, "\n");
3459
    }
3460
    cpu_fprintf(f, "\nFloating Point Registers:\n");
3461
    for (i = 0; i < 32; i++) {
3462
        if ((i & 3) == 0)
3463
            cpu_fprintf(f, "%%f%02d:", i);
3464
        cpu_fprintf(f, " %016lf", env->fpr[i]);
3465
        if ((i & 3) == 3)
3466
            cpu_fprintf(f, "\n");
3467
    }
3468
#ifdef TARGET_SPARC64
3469
    cpu_fprintf(f, "pstate: 0x%08x ccr: 0x%02x asi: 0x%02x tl: %d fprs: %d\n",
3470
                env->pstate, GET_CCR(env), env->asi, env->tl, env->fprs);
3471
    cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate %d cleanwin %d cwp %d\n",
3472
                env->cansave, env->canrestore, env->otherwin, env->wstate,
3473
                env->cleanwin, NWINDOWS - 1 - env->cwp);
3474
#else
3475
    cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n", GET_PSR(env),
3476
            GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'),
3477
            GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'),
3478
            env->psrs?'S':'-', env->psrps?'P':'-', 
3479
            env->psret?'E':'-', env->wim);
3480
#endif
3481
    cpu_fprintf(f, "fsr: 0x%08x\n", GET_FSR32(env));
3482
}
3483

    
3484
#if defined(CONFIG_USER_ONLY)
3485
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
3486
{
3487
    return addr;
3488
}
3489

    
3490
#else
3491
extern int get_physical_address (CPUState *env, target_phys_addr_t *physical, int *prot,
3492
                                 int *access_index, target_ulong address, int rw,
3493
                                 int is_user);
3494

    
3495
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
3496
{
3497
    target_phys_addr_t phys_addr;
3498
    int prot, access_index;
3499

    
3500
    if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2, 0) != 0)
3501
        if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 0, 0) != 0)
3502
            return -1;
3503
    if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
3504
        return -1;
3505
    return phys_addr;
3506
}
3507
#endif
3508

    
3509
void helper_flush(target_ulong addr)
3510
{
3511
    addr &= ~7;
3512
    tb_invalidate_page_range(addr, addr + 8);
3513
}