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trap signals for "-serial mon:stdio"
[qemu.git] / target-sparc / translate.c
1 /*
2 SPARC translation
3
4 Copyright (C) 2003 Thomas M. Ogrisegg <tom@fnord.at>
5 Copyright (C) 2003-2005 Fabrice Bellard
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2 of the License, or (at your option) any later version.
11
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include <stdarg.h>
22 #include <stdlib.h>
23 #include <stdio.h>
24 #include <string.h>
25 #include <inttypes.h>
26
27 #include "cpu.h"
28 #include "disas/disas.h"
29 #include "helper.h"
30 #include "tcg-op.h"
31
32 #define GEN_HELPER 1
33 #include "helper.h"
34
35 #define DEBUG_DISAS
36
37 #define DYNAMIC_PC 1 /* dynamic pc value */
38 #define JUMP_PC 2 /* dynamic pc value which takes only two values
39 according to jump_pc[T2] */
40
41 /* global register indexes */
42 static TCGv_ptr cpu_env, cpu_regwptr;
43 static TCGv cpu_cc_src, cpu_cc_src2, cpu_cc_dst;
44 static TCGv_i32 cpu_cc_op;
45 static TCGv_i32 cpu_psr;
46 static TCGv cpu_fsr, cpu_pc, cpu_npc, cpu_gregs[8];
47 static TCGv cpu_y;
48 #ifndef CONFIG_USER_ONLY
49 static TCGv cpu_tbr;
50 #endif
51 static TCGv cpu_cond;
52 #ifdef TARGET_SPARC64
53 static TCGv_i32 cpu_xcc, cpu_asi, cpu_fprs;
54 static TCGv cpu_gsr;
55 static TCGv cpu_tick_cmpr, cpu_stick_cmpr, cpu_hstick_cmpr;
56 static TCGv cpu_hintp, cpu_htba, cpu_hver, cpu_ssr, cpu_ver;
57 static TCGv_i32 cpu_softint;
58 #else
59 static TCGv cpu_wim;
60 #endif
61 /* Floating point registers */
62 static TCGv_i64 cpu_fpr[TARGET_DPREGS];
63
64 static target_ulong gen_opc_npc[OPC_BUF_SIZE];
65 static target_ulong gen_opc_jump_pc[2];
66
67 #include "exec/gen-icount.h"
68
69 typedef struct DisasContext {
70 target_ulong pc; /* current Program Counter: integer or DYNAMIC_PC */
71 target_ulong npc; /* next PC: integer or DYNAMIC_PC or JUMP_PC */
72 target_ulong jump_pc[2]; /* used when JUMP_PC pc value is used */
73 int is_br;
74 int mem_idx;
75 int fpu_enabled;
76 int address_mask_32bit;
77 int singlestep;
78 uint32_t cc_op; /* current CC operation */
79 struct TranslationBlock *tb;
80 sparc_def_t *def;
81 TCGv_i32 t32[3];
82 TCGv ttl[5];
83 int n_t32;
84 int n_ttl;
85 } DisasContext;
86
87 typedef struct {
88 TCGCond cond;
89 bool is_bool;
90 bool g1, g2;
91 TCGv c1, c2;
92 } DisasCompare;
93
94 // This function uses non-native bit order
95 #define GET_FIELD(X, FROM, TO) \
96 ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
97
98 // This function uses the order in the manuals, i.e. bit 0 is 2^0
99 #define GET_FIELD_SP(X, FROM, TO) \
100 GET_FIELD(X, 31 - (TO), 31 - (FROM))
101
102 #define GET_FIELDs(x,a,b) sign_extend (GET_FIELD(x,a,b), (b) - (a) + 1)
103 #define GET_FIELD_SPs(x,a,b) sign_extend (GET_FIELD_SP(x,a,b), ((b) - (a) + 1))
104
105 #ifdef TARGET_SPARC64
106 #define DFPREG(r) (((r & 1) << 5) | (r & 0x1e))
107 #define QFPREG(r) (((r & 1) << 5) | (r & 0x1c))
108 #else
109 #define DFPREG(r) (r & 0x1e)
110 #define QFPREG(r) (r & 0x1c)
111 #endif
112
113 #define UA2005_HTRAP_MASK 0xff
114 #define V8_TRAP_MASK 0x7f
115
116 static int sign_extend(int x, int len)
117 {
118 len = 32 - len;
119 return (x << len) >> len;
120 }
121
122 #define IS_IMM (insn & (1<<13))
123
124 static inline TCGv_i32 get_temp_i32(DisasContext *dc)
125 {
126 TCGv_i32 t;
127 assert(dc->n_t32 < ARRAY_SIZE(dc->t32));
128 dc->t32[dc->n_t32++] = t = tcg_temp_new_i32();
129 return t;
130 }
131
132 static inline TCGv get_temp_tl(DisasContext *dc)
133 {
134 TCGv t;
135 assert(dc->n_ttl < ARRAY_SIZE(dc->ttl));
136 dc->ttl[dc->n_ttl++] = t = tcg_temp_new();
137 return t;
138 }
139
140 static inline void gen_update_fprs_dirty(int rd)
141 {
142 #if defined(TARGET_SPARC64)
143 tcg_gen_ori_i32(cpu_fprs, cpu_fprs, (rd < 32) ? 1 : 2);
144 #endif
145 }
146
147 /* floating point registers moves */
148 static TCGv_i32 gen_load_fpr_F(DisasContext *dc, unsigned int src)
149 {
150 #if TCG_TARGET_REG_BITS == 32
151 if (src & 1) {
152 return TCGV_LOW(cpu_fpr[src / 2]);
153 } else {
154 return TCGV_HIGH(cpu_fpr[src / 2]);
155 }
156 #else
157 if (src & 1) {
158 return MAKE_TCGV_I32(GET_TCGV_I64(cpu_fpr[src / 2]));
159 } else {
160 TCGv_i32 ret = get_temp_i32(dc);
161 TCGv_i64 t = tcg_temp_new_i64();
162
163 tcg_gen_shri_i64(t, cpu_fpr[src / 2], 32);
164 tcg_gen_trunc_i64_i32(ret, t);
165 tcg_temp_free_i64(t);
166
167 return ret;
168 }
169 #endif
170 }
171
172 static void gen_store_fpr_F(DisasContext *dc, unsigned int dst, TCGv_i32 v)
173 {
174 #if TCG_TARGET_REG_BITS == 32
175 if (dst & 1) {
176 tcg_gen_mov_i32(TCGV_LOW(cpu_fpr[dst / 2]), v);
177 } else {
178 tcg_gen_mov_i32(TCGV_HIGH(cpu_fpr[dst / 2]), v);
179 }
180 #else
181 TCGv_i64 t = MAKE_TCGV_I64(GET_TCGV_I32(v));
182 tcg_gen_deposit_i64(cpu_fpr[dst / 2], cpu_fpr[dst / 2], t,
183 (dst & 1 ? 0 : 32), 32);
184 #endif
185 gen_update_fprs_dirty(dst);
186 }
187
188 static TCGv_i32 gen_dest_fpr_F(DisasContext *dc)
189 {
190 return get_temp_i32(dc);
191 }
192
193 static TCGv_i64 gen_load_fpr_D(DisasContext *dc, unsigned int src)
194 {
195 src = DFPREG(src);
196 return cpu_fpr[src / 2];
197 }
198
199 static void gen_store_fpr_D(DisasContext *dc, unsigned int dst, TCGv_i64 v)
200 {
201 dst = DFPREG(dst);
202 tcg_gen_mov_i64(cpu_fpr[dst / 2], v);
203 gen_update_fprs_dirty(dst);
204 }
205
206 static TCGv_i64 gen_dest_fpr_D(DisasContext *dc, unsigned int dst)
207 {
208 return cpu_fpr[DFPREG(dst) / 2];
209 }
210
211 static void gen_op_load_fpr_QT0(unsigned int src)
212 {
213 tcg_gen_st_i64(cpu_fpr[src / 2], cpu_env, offsetof(CPUSPARCState, qt0) +
214 offsetof(CPU_QuadU, ll.upper));
215 tcg_gen_st_i64(cpu_fpr[src/2 + 1], cpu_env, offsetof(CPUSPARCState, qt0) +
216 offsetof(CPU_QuadU, ll.lower));
217 }
218
219 static void gen_op_load_fpr_QT1(unsigned int src)
220 {
221 tcg_gen_st_i64(cpu_fpr[src / 2], cpu_env, offsetof(CPUSPARCState, qt1) +
222 offsetof(CPU_QuadU, ll.upper));
223 tcg_gen_st_i64(cpu_fpr[src/2 + 1], cpu_env, offsetof(CPUSPARCState, qt1) +
224 offsetof(CPU_QuadU, ll.lower));
225 }
226
227 static void gen_op_store_QT0_fpr(unsigned int dst)
228 {
229 tcg_gen_ld_i64(cpu_fpr[dst / 2], cpu_env, offsetof(CPUSPARCState, qt0) +
230 offsetof(CPU_QuadU, ll.upper));
231 tcg_gen_ld_i64(cpu_fpr[dst/2 + 1], cpu_env, offsetof(CPUSPARCState, qt0) +
232 offsetof(CPU_QuadU, ll.lower));
233 }
234
235 #ifdef TARGET_SPARC64
236 static void gen_move_Q(unsigned int rd, unsigned int rs)
237 {
238 rd = QFPREG(rd);
239 rs = QFPREG(rs);
240
241 tcg_gen_mov_i64(cpu_fpr[rd / 2], cpu_fpr[rs / 2]);
242 tcg_gen_mov_i64(cpu_fpr[rd / 2 + 1], cpu_fpr[rs / 2 + 1]);
243 gen_update_fprs_dirty(rd);
244 }
245 #endif
246
247 /* moves */
248 #ifdef CONFIG_USER_ONLY
249 #define supervisor(dc) 0
250 #ifdef TARGET_SPARC64
251 #define hypervisor(dc) 0
252 #endif
253 #else
254 #define supervisor(dc) (dc->mem_idx >= MMU_KERNEL_IDX)
255 #ifdef TARGET_SPARC64
256 #define hypervisor(dc) (dc->mem_idx == MMU_HYPV_IDX)
257 #else
258 #endif
259 #endif
260
261 #ifdef TARGET_SPARC64
262 #ifndef TARGET_ABI32
263 #define AM_CHECK(dc) ((dc)->address_mask_32bit)
264 #else
265 #define AM_CHECK(dc) (1)
266 #endif
267 #endif
268
269 static inline void gen_address_mask(DisasContext *dc, TCGv addr)
270 {
271 #ifdef TARGET_SPARC64
272 if (AM_CHECK(dc))
273 tcg_gen_andi_tl(addr, addr, 0xffffffffULL);
274 #endif
275 }
276
277 static inline TCGv gen_load_gpr(DisasContext *dc, int reg)
278 {
279 if (reg == 0 || reg >= 8) {
280 TCGv t = get_temp_tl(dc);
281 if (reg == 0) {
282 tcg_gen_movi_tl(t, 0);
283 } else {
284 tcg_gen_ld_tl(t, cpu_regwptr, (reg - 8) * sizeof(target_ulong));
285 }
286 return t;
287 } else {
288 return cpu_gregs[reg];
289 }
290 }
291
292 static inline void gen_store_gpr(DisasContext *dc, int reg, TCGv v)
293 {
294 if (reg > 0) {
295 if (reg < 8) {
296 tcg_gen_mov_tl(cpu_gregs[reg], v);
297 } else {
298 tcg_gen_st_tl(v, cpu_regwptr, (reg - 8) * sizeof(target_ulong));
299 }
300 }
301 }
302
303 static inline TCGv gen_dest_gpr(DisasContext *dc, int reg)
304 {
305 if (reg == 0 || reg >= 8) {
306 return get_temp_tl(dc);
307 } else {
308 return cpu_gregs[reg];
309 }
310 }
311
312 static inline void gen_goto_tb(DisasContext *s, int tb_num,
313 target_ulong pc, target_ulong npc)
314 {
315 TranslationBlock *tb;
316
317 tb = s->tb;
318 if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) &&
319 (npc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) &&
320 !s->singlestep) {
321 /* jump to same page: we can use a direct jump */
322 tcg_gen_goto_tb(tb_num);
323 tcg_gen_movi_tl(cpu_pc, pc);
324 tcg_gen_movi_tl(cpu_npc, npc);
325 tcg_gen_exit_tb((tcg_target_long)tb + tb_num);
326 } else {
327 /* jump to another page: currently not optimized */
328 tcg_gen_movi_tl(cpu_pc, pc);
329 tcg_gen_movi_tl(cpu_npc, npc);
330 tcg_gen_exit_tb(0);
331 }
332 }
333
334 // XXX suboptimal
335 static inline void gen_mov_reg_N(TCGv reg, TCGv_i32 src)
336 {
337 tcg_gen_extu_i32_tl(reg, src);
338 tcg_gen_shri_tl(reg, reg, PSR_NEG_SHIFT);
339 tcg_gen_andi_tl(reg, reg, 0x1);
340 }
341
342 static inline void gen_mov_reg_Z(TCGv reg, TCGv_i32 src)
343 {
344 tcg_gen_extu_i32_tl(reg, src);
345 tcg_gen_shri_tl(reg, reg, PSR_ZERO_SHIFT);
346 tcg_gen_andi_tl(reg, reg, 0x1);
347 }
348
349 static inline void gen_mov_reg_V(TCGv reg, TCGv_i32 src)
350 {
351 tcg_gen_extu_i32_tl(reg, src);
352 tcg_gen_shri_tl(reg, reg, PSR_OVF_SHIFT);
353 tcg_gen_andi_tl(reg, reg, 0x1);
354 }
355
356 static inline void gen_mov_reg_C(TCGv reg, TCGv_i32 src)
357 {
358 tcg_gen_extu_i32_tl(reg, src);
359 tcg_gen_shri_tl(reg, reg, PSR_CARRY_SHIFT);
360 tcg_gen_andi_tl(reg, reg, 0x1);
361 }
362
363 static inline void gen_op_addi_cc(TCGv dst, TCGv src1, target_long src2)
364 {
365 tcg_gen_mov_tl(cpu_cc_src, src1);
366 tcg_gen_movi_tl(cpu_cc_src2, src2);
367 tcg_gen_addi_tl(cpu_cc_dst, cpu_cc_src, src2);
368 tcg_gen_mov_tl(dst, cpu_cc_dst);
369 }
370
371 static inline void gen_op_add_cc(TCGv dst, TCGv src1, TCGv src2)
372 {
373 tcg_gen_mov_tl(cpu_cc_src, src1);
374 tcg_gen_mov_tl(cpu_cc_src2, src2);
375 tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
376 tcg_gen_mov_tl(dst, cpu_cc_dst);
377 }
378
379 static TCGv_i32 gen_add32_carry32(void)
380 {
381 TCGv_i32 carry_32, cc_src1_32, cc_src2_32;
382
383 /* Carry is computed from a previous add: (dst < src) */
384 #if TARGET_LONG_BITS == 64
385 cc_src1_32 = tcg_temp_new_i32();
386 cc_src2_32 = tcg_temp_new_i32();
387 tcg_gen_trunc_i64_i32(cc_src1_32, cpu_cc_dst);
388 tcg_gen_trunc_i64_i32(cc_src2_32, cpu_cc_src);
389 #else
390 cc_src1_32 = cpu_cc_dst;
391 cc_src2_32 = cpu_cc_src;
392 #endif
393
394 carry_32 = tcg_temp_new_i32();
395 tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);
396
397 #if TARGET_LONG_BITS == 64
398 tcg_temp_free_i32(cc_src1_32);
399 tcg_temp_free_i32(cc_src2_32);
400 #endif
401
402 return carry_32;
403 }
404
405 static TCGv_i32 gen_sub32_carry32(void)
406 {
407 TCGv_i32 carry_32, cc_src1_32, cc_src2_32;
408
409 /* Carry is computed from a previous borrow: (src1 < src2) */
410 #if TARGET_LONG_BITS == 64
411 cc_src1_32 = tcg_temp_new_i32();
412 cc_src2_32 = tcg_temp_new_i32();
413 tcg_gen_trunc_i64_i32(cc_src1_32, cpu_cc_src);
414 tcg_gen_trunc_i64_i32(cc_src2_32, cpu_cc_src2);
415 #else
416 cc_src1_32 = cpu_cc_src;
417 cc_src2_32 = cpu_cc_src2;
418 #endif
419
420 carry_32 = tcg_temp_new_i32();
421 tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);
422
423 #if TARGET_LONG_BITS == 64
424 tcg_temp_free_i32(cc_src1_32);
425 tcg_temp_free_i32(cc_src2_32);
426 #endif
427
428 return carry_32;
429 }
430
431 static void gen_op_addx_int(DisasContext *dc, TCGv dst, TCGv src1,
432 TCGv src2, int update_cc)
433 {
434 TCGv_i32 carry_32;
435 TCGv carry;
436
437 switch (dc->cc_op) {
438 case CC_OP_DIV:
439 case CC_OP_LOGIC:
440 /* Carry is known to be zero. Fall back to plain ADD. */
441 if (update_cc) {
442 gen_op_add_cc(dst, src1, src2);
443 } else {
444 tcg_gen_add_tl(dst, src1, src2);
445 }
446 return;
447
448 case CC_OP_ADD:
449 case CC_OP_TADD:
450 case CC_OP_TADDTV:
451 if (TARGET_LONG_BITS == 32) {
452 /* We can re-use the host's hardware carry generation by using
453 an ADD2 opcode. We discard the low part of the output.
454 Ideally we'd combine this operation with the add that
455 generated the carry in the first place. */
456 carry = tcg_temp_new();
457 tcg_gen_add2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
458 tcg_temp_free(carry);
459 goto add_done;
460 }
461 carry_32 = gen_add32_carry32();
462 break;
463
464 case CC_OP_SUB:
465 case CC_OP_TSUB:
466 case CC_OP_TSUBTV:
467 carry_32 = gen_sub32_carry32();
468 break;
469
470 default:
471 /* We need external help to produce the carry. */
472 carry_32 = tcg_temp_new_i32();
473 gen_helper_compute_C_icc(carry_32, cpu_env);
474 break;
475 }
476
477 #if TARGET_LONG_BITS == 64
478 carry = tcg_temp_new();
479 tcg_gen_extu_i32_i64(carry, carry_32);
480 #else
481 carry = carry_32;
482 #endif
483
484 tcg_gen_add_tl(dst, src1, src2);
485 tcg_gen_add_tl(dst, dst, carry);
486
487 tcg_temp_free_i32(carry_32);
488 #if TARGET_LONG_BITS == 64
489 tcg_temp_free(carry);
490 #endif
491
492 add_done:
493 if (update_cc) {
494 tcg_gen_mov_tl(cpu_cc_src, src1);
495 tcg_gen_mov_tl(cpu_cc_src2, src2);
496 tcg_gen_mov_tl(cpu_cc_dst, dst);
497 tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADDX);
498 dc->cc_op = CC_OP_ADDX;
499 }
500 }
501
502 static inline void gen_op_subi_cc(TCGv dst, TCGv src1, target_long src2, DisasContext *dc)
503 {
504 tcg_gen_mov_tl(cpu_cc_src, src1);
505 tcg_gen_movi_tl(cpu_cc_src2, src2);
506 if (src2 == 0) {
507 tcg_gen_mov_tl(cpu_cc_dst, src1);
508 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
509 dc->cc_op = CC_OP_LOGIC;
510 } else {
511 tcg_gen_subi_tl(cpu_cc_dst, cpu_cc_src, src2);
512 tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
513 dc->cc_op = CC_OP_SUB;
514 }
515 tcg_gen_mov_tl(dst, cpu_cc_dst);
516 }
517
518 static inline void gen_op_sub_cc(TCGv dst, TCGv src1, TCGv src2)
519 {
520 tcg_gen_mov_tl(cpu_cc_src, src1);
521 tcg_gen_mov_tl(cpu_cc_src2, src2);
522 tcg_gen_sub_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
523 tcg_gen_mov_tl(dst, cpu_cc_dst);
524 }
525
526 static void gen_op_subx_int(DisasContext *dc, TCGv dst, TCGv src1,
527 TCGv src2, int update_cc)
528 {
529 TCGv_i32 carry_32;
530 TCGv carry;
531
532 switch (dc->cc_op) {
533 case CC_OP_DIV:
534 case CC_OP_LOGIC:
535 /* Carry is known to be zero. Fall back to plain SUB. */
536 if (update_cc) {
537 gen_op_sub_cc(dst, src1, src2);
538 } else {
539 tcg_gen_sub_tl(dst, src1, src2);
540 }
541 return;
542
543 case CC_OP_ADD:
544 case CC_OP_TADD:
545 case CC_OP_TADDTV:
546 carry_32 = gen_add32_carry32();
547 break;
548
549 case CC_OP_SUB:
550 case CC_OP_TSUB:
551 case CC_OP_TSUBTV:
552 if (TARGET_LONG_BITS == 32) {
553 /* We can re-use the host's hardware carry generation by using
554 a SUB2 opcode. We discard the low part of the output.
555 Ideally we'd combine this operation with the add that
556 generated the carry in the first place. */
557 carry = tcg_temp_new();
558 tcg_gen_sub2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
559 tcg_temp_free(carry);
560 goto sub_done;
561 }
562 carry_32 = gen_sub32_carry32();
563 break;
564
565 default:
566 /* We need external help to produce the carry. */
567 carry_32 = tcg_temp_new_i32();
568 gen_helper_compute_C_icc(carry_32, cpu_env);
569 break;
570 }
571
572 #if TARGET_LONG_BITS == 64
573 carry = tcg_temp_new();
574 tcg_gen_extu_i32_i64(carry, carry_32);
575 #else
576 carry = carry_32;
577 #endif
578
579 tcg_gen_sub_tl(dst, src1, src2);
580 tcg_gen_sub_tl(dst, dst, carry);
581
582 tcg_temp_free_i32(carry_32);
583 #if TARGET_LONG_BITS == 64
584 tcg_temp_free(carry);
585 #endif
586
587 sub_done:
588 if (update_cc) {
589 tcg_gen_mov_tl(cpu_cc_src, src1);
590 tcg_gen_mov_tl(cpu_cc_src2, src2);
591 tcg_gen_mov_tl(cpu_cc_dst, dst);
592 tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUBX);
593 dc->cc_op = CC_OP_SUBX;
594 }
595 }
596
597 static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2)
598 {
599 TCGv r_temp, zero, t0;
600
601 r_temp = tcg_temp_new();
602 t0 = tcg_temp_new();
603
604 /* old op:
605 if (!(env->y & 1))
606 T1 = 0;
607 */
608 zero = tcg_const_tl(0);
609 tcg_gen_andi_tl(cpu_cc_src, src1, 0xffffffff);
610 tcg_gen_andi_tl(r_temp, cpu_y, 0x1);
611 tcg_gen_andi_tl(cpu_cc_src2, src2, 0xffffffff);
612 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_cc_src2, r_temp, zero,
613 zero, cpu_cc_src2);
614 tcg_temp_free(zero);
615
616 // b2 = T0 & 1;
617 // env->y = (b2 << 31) | (env->y >> 1);
618 tcg_gen_andi_tl(r_temp, cpu_cc_src, 0x1);
619 tcg_gen_shli_tl(r_temp, r_temp, 31);
620 tcg_gen_shri_tl(t0, cpu_y, 1);
621 tcg_gen_andi_tl(t0, t0, 0x7fffffff);
622 tcg_gen_or_tl(t0, t0, r_temp);
623 tcg_gen_andi_tl(cpu_y, t0, 0xffffffff);
624
625 // b1 = N ^ V;
626 gen_mov_reg_N(t0, cpu_psr);
627 gen_mov_reg_V(r_temp, cpu_psr);
628 tcg_gen_xor_tl(t0, t0, r_temp);
629 tcg_temp_free(r_temp);
630
631 // T0 = (b1 << 31) | (T0 >> 1);
632 // src1 = T0;
633 tcg_gen_shli_tl(t0, t0, 31);
634 tcg_gen_shri_tl(cpu_cc_src, cpu_cc_src, 1);
635 tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0);
636 tcg_temp_free(t0);
637
638 tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
639
640 tcg_gen_mov_tl(dst, cpu_cc_dst);
641 }
642
643 static inline void gen_op_multiply(TCGv dst, TCGv src1, TCGv src2, int sign_ext)
644 {
645 #if TARGET_LONG_BITS == 32
646 if (sign_ext) {
647 tcg_gen_muls2_tl(dst, cpu_y, src1, src2);
648 } else {
649 tcg_gen_mulu2_tl(dst, cpu_y, src1, src2);
650 }
651 #else
652 TCGv t0 = tcg_temp_new_i64();
653 TCGv t1 = tcg_temp_new_i64();
654
655 if (sign_ext) {
656 tcg_gen_ext32s_i64(t0, src1);
657 tcg_gen_ext32s_i64(t1, src2);
658 } else {
659 tcg_gen_ext32u_i64(t0, src1);
660 tcg_gen_ext32u_i64(t1, src2);
661 }
662
663 tcg_gen_mul_i64(dst, t0, t1);
664 tcg_temp_free(t0);
665 tcg_temp_free(t1);
666
667 tcg_gen_shri_i64(cpu_y, dst, 32);
668 #endif
669 }
670
671 static inline void gen_op_umul(TCGv dst, TCGv src1, TCGv src2)
672 {
673 /* zero-extend truncated operands before multiplication */
674 gen_op_multiply(dst, src1, src2, 0);
675 }
676
677 static inline void gen_op_smul(TCGv dst, TCGv src1, TCGv src2)
678 {
679 /* sign-extend truncated operands before multiplication */
680 gen_op_multiply(dst, src1, src2, 1);
681 }
682
683 // 1
684 static inline void gen_op_eval_ba(TCGv dst)
685 {
686 tcg_gen_movi_tl(dst, 1);
687 }
688
689 // Z
690 static inline void gen_op_eval_be(TCGv dst, TCGv_i32 src)
691 {
692 gen_mov_reg_Z(dst, src);
693 }
694
695 // Z | (N ^ V)
696 static inline void gen_op_eval_ble(TCGv dst, TCGv_i32 src)
697 {
698 TCGv t0 = tcg_temp_new();
699 gen_mov_reg_N(t0, src);
700 gen_mov_reg_V(dst, src);
701 tcg_gen_xor_tl(dst, dst, t0);
702 gen_mov_reg_Z(t0, src);
703 tcg_gen_or_tl(dst, dst, t0);
704 tcg_temp_free(t0);
705 }
706
707 // N ^ V
708 static inline void gen_op_eval_bl(TCGv dst, TCGv_i32 src)
709 {
710 TCGv t0 = tcg_temp_new();
711 gen_mov_reg_V(t0, src);
712 gen_mov_reg_N(dst, src);
713 tcg_gen_xor_tl(dst, dst, t0);
714 tcg_temp_free(t0);
715 }
716
717 // C | Z
718 static inline void gen_op_eval_bleu(TCGv dst, TCGv_i32 src)
719 {
720 TCGv t0 = tcg_temp_new();
721 gen_mov_reg_Z(t0, src);
722 gen_mov_reg_C(dst, src);
723 tcg_gen_or_tl(dst, dst, t0);
724 tcg_temp_free(t0);
725 }
726
727 // C
728 static inline void gen_op_eval_bcs(TCGv dst, TCGv_i32 src)
729 {
730 gen_mov_reg_C(dst, src);
731 }
732
733 // V
734 static inline void gen_op_eval_bvs(TCGv dst, TCGv_i32 src)
735 {
736 gen_mov_reg_V(dst, src);
737 }
738
739 // 0
740 static inline void gen_op_eval_bn(TCGv dst)
741 {
742 tcg_gen_movi_tl(dst, 0);
743 }
744
745 // N
746 static inline void gen_op_eval_bneg(TCGv dst, TCGv_i32 src)
747 {
748 gen_mov_reg_N(dst, src);
749 }
750
751 // !Z
752 static inline void gen_op_eval_bne(TCGv dst, TCGv_i32 src)
753 {
754 gen_mov_reg_Z(dst, src);
755 tcg_gen_xori_tl(dst, dst, 0x1);
756 }
757
758 // !(Z | (N ^ V))
759 static inline void gen_op_eval_bg(TCGv dst, TCGv_i32 src)
760 {
761 gen_op_eval_ble(dst, src);
762 tcg_gen_xori_tl(dst, dst, 0x1);
763 }
764
765 // !(N ^ V)
766 static inline void gen_op_eval_bge(TCGv dst, TCGv_i32 src)
767 {
768 gen_op_eval_bl(dst, src);
769 tcg_gen_xori_tl(dst, dst, 0x1);
770 }
771
772 // !(C | Z)
773 static inline void gen_op_eval_bgu(TCGv dst, TCGv_i32 src)
774 {
775 gen_op_eval_bleu(dst, src);
776 tcg_gen_xori_tl(dst, dst, 0x1);
777 }
778
779 // !C
780 static inline void gen_op_eval_bcc(TCGv dst, TCGv_i32 src)
781 {
782 gen_mov_reg_C(dst, src);
783 tcg_gen_xori_tl(dst, dst, 0x1);
784 }
785
786 // !N
787 static inline void gen_op_eval_bpos(TCGv dst, TCGv_i32 src)
788 {
789 gen_mov_reg_N(dst, src);
790 tcg_gen_xori_tl(dst, dst, 0x1);
791 }
792
793 // !V
794 static inline void gen_op_eval_bvc(TCGv dst, TCGv_i32 src)
795 {
796 gen_mov_reg_V(dst, src);
797 tcg_gen_xori_tl(dst, dst, 0x1);
798 }
799
800 /*
801 FPSR bit field FCC1 | FCC0:
802 0 =
803 1 <
804 2 >
805 3 unordered
806 */
807 static inline void gen_mov_reg_FCC0(TCGv reg, TCGv src,
808 unsigned int fcc_offset)
809 {
810 tcg_gen_shri_tl(reg, src, FSR_FCC0_SHIFT + fcc_offset);
811 tcg_gen_andi_tl(reg, reg, 0x1);
812 }
813
814 static inline void gen_mov_reg_FCC1(TCGv reg, TCGv src,
815 unsigned int fcc_offset)
816 {
817 tcg_gen_shri_tl(reg, src, FSR_FCC1_SHIFT + fcc_offset);
818 tcg_gen_andi_tl(reg, reg, 0x1);
819 }
820
821 // !0: FCC0 | FCC1
822 static inline void gen_op_eval_fbne(TCGv dst, TCGv src,
823 unsigned int fcc_offset)
824 {
825 TCGv t0 = tcg_temp_new();
826 gen_mov_reg_FCC0(dst, src, fcc_offset);
827 gen_mov_reg_FCC1(t0, src, fcc_offset);
828 tcg_gen_or_tl(dst, dst, t0);
829 tcg_temp_free(t0);
830 }
831
832 // 1 or 2: FCC0 ^ FCC1
833 static inline void gen_op_eval_fblg(TCGv dst, TCGv src,
834 unsigned int fcc_offset)
835 {
836 TCGv t0 = tcg_temp_new();
837 gen_mov_reg_FCC0(dst, src, fcc_offset);
838 gen_mov_reg_FCC1(t0, src, fcc_offset);
839 tcg_gen_xor_tl(dst, dst, t0);
840 tcg_temp_free(t0);
841 }
842
843 // 1 or 3: FCC0
844 static inline void gen_op_eval_fbul(TCGv dst, TCGv src,
845 unsigned int fcc_offset)
846 {
847 gen_mov_reg_FCC0(dst, src, fcc_offset);
848 }
849
850 // 1: FCC0 & !FCC1
851 static inline void gen_op_eval_fbl(TCGv dst, TCGv src,
852 unsigned int fcc_offset)
853 {
854 TCGv t0 = tcg_temp_new();
855 gen_mov_reg_FCC0(dst, src, fcc_offset);
856 gen_mov_reg_FCC1(t0, src, fcc_offset);
857 tcg_gen_andc_tl(dst, dst, t0);
858 tcg_temp_free(t0);
859 }
860
861 // 2 or 3: FCC1
862 static inline void gen_op_eval_fbug(TCGv dst, TCGv src,
863 unsigned int fcc_offset)
864 {
865 gen_mov_reg_FCC1(dst, src, fcc_offset);
866 }
867
868 // 2: !FCC0 & FCC1
869 static inline void gen_op_eval_fbg(TCGv dst, TCGv src,
870 unsigned int fcc_offset)
871 {
872 TCGv t0 = tcg_temp_new();
873 gen_mov_reg_FCC0(dst, src, fcc_offset);
874 gen_mov_reg_FCC1(t0, src, fcc_offset);
875 tcg_gen_andc_tl(dst, t0, dst);
876 tcg_temp_free(t0);
877 }
878
879 // 3: FCC0 & FCC1
880 static inline void gen_op_eval_fbu(TCGv dst, TCGv src,
881 unsigned int fcc_offset)
882 {
883 TCGv t0 = tcg_temp_new();
884 gen_mov_reg_FCC0(dst, src, fcc_offset);
885 gen_mov_reg_FCC1(t0, src, fcc_offset);
886 tcg_gen_and_tl(dst, dst, t0);
887 tcg_temp_free(t0);
888 }
889
890 // 0: !(FCC0 | FCC1)
891 static inline void gen_op_eval_fbe(TCGv dst, TCGv src,
892 unsigned int fcc_offset)
893 {
894 TCGv t0 = tcg_temp_new();
895 gen_mov_reg_FCC0(dst, src, fcc_offset);
896 gen_mov_reg_FCC1(t0, src, fcc_offset);
897 tcg_gen_or_tl(dst, dst, t0);
898 tcg_gen_xori_tl(dst, dst, 0x1);
899 tcg_temp_free(t0);
900 }
901
902 // 0 or 3: !(FCC0 ^ FCC1)
903 static inline void gen_op_eval_fbue(TCGv dst, TCGv src,
904 unsigned int fcc_offset)
905 {
906 TCGv t0 = tcg_temp_new();
907 gen_mov_reg_FCC0(dst, src, fcc_offset);
908 gen_mov_reg_FCC1(t0, src, fcc_offset);
909 tcg_gen_xor_tl(dst, dst, t0);
910 tcg_gen_xori_tl(dst, dst, 0x1);
911 tcg_temp_free(t0);
912 }
913
914 // 0 or 2: !FCC0
915 static inline void gen_op_eval_fbge(TCGv dst, TCGv src,
916 unsigned int fcc_offset)
917 {
918 gen_mov_reg_FCC0(dst, src, fcc_offset);
919 tcg_gen_xori_tl(dst, dst, 0x1);
920 }
921
922 // !1: !(FCC0 & !FCC1)
923 static inline void gen_op_eval_fbuge(TCGv dst, TCGv src,
924 unsigned int fcc_offset)
925 {
926 TCGv t0 = tcg_temp_new();
927 gen_mov_reg_FCC0(dst, src, fcc_offset);
928 gen_mov_reg_FCC1(t0, src, fcc_offset);
929 tcg_gen_andc_tl(dst, dst, t0);
930 tcg_gen_xori_tl(dst, dst, 0x1);
931 tcg_temp_free(t0);
932 }
933
934 // 0 or 1: !FCC1
935 static inline void gen_op_eval_fble(TCGv dst, TCGv src,
936 unsigned int fcc_offset)
937 {
938 gen_mov_reg_FCC1(dst, src, fcc_offset);
939 tcg_gen_xori_tl(dst, dst, 0x1);
940 }
941
942 // !2: !(!FCC0 & FCC1)
943 static inline void gen_op_eval_fbule(TCGv dst, TCGv src,
944 unsigned int fcc_offset)
945 {
946 TCGv t0 = tcg_temp_new();
947 gen_mov_reg_FCC0(dst, src, fcc_offset);
948 gen_mov_reg_FCC1(t0, src, fcc_offset);
949 tcg_gen_andc_tl(dst, t0, dst);
950 tcg_gen_xori_tl(dst, dst, 0x1);
951 tcg_temp_free(t0);
952 }
953
954 // !3: !(FCC0 & FCC1)
955 static inline void gen_op_eval_fbo(TCGv dst, TCGv src,
956 unsigned int fcc_offset)
957 {
958 TCGv t0 = tcg_temp_new();
959 gen_mov_reg_FCC0(dst, src, fcc_offset);
960 gen_mov_reg_FCC1(t0, src, fcc_offset);
961 tcg_gen_and_tl(dst, dst, t0);
962 tcg_gen_xori_tl(dst, dst, 0x1);
963 tcg_temp_free(t0);
964 }
965
966 static inline void gen_branch2(DisasContext *dc, target_ulong pc1,
967 target_ulong pc2, TCGv r_cond)
968 {
969 int l1;
970
971 l1 = gen_new_label();
972
973 tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, 0, l1);
974
975 gen_goto_tb(dc, 0, pc1, pc1 + 4);
976
977 gen_set_label(l1);
978 gen_goto_tb(dc, 1, pc2, pc2 + 4);
979 }
980
981 static inline void gen_branch_a(DisasContext *dc, target_ulong pc1,
982 target_ulong pc2, TCGv r_cond)
983 {
984 int l1;
985
986 l1 = gen_new_label();
987
988 tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, 0, l1);
989
990 gen_goto_tb(dc, 0, pc2, pc1);
991
992 gen_set_label(l1);
993 gen_goto_tb(dc, 1, pc2 + 4, pc2 + 8);
994 }
995
996 static inline void gen_generic_branch(DisasContext *dc)
997 {
998 TCGv npc0 = tcg_const_tl(dc->jump_pc[0]);
999 TCGv npc1 = tcg_const_tl(dc->jump_pc[1]);
1000 TCGv zero = tcg_const_tl(0);
1001
1002 tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, cpu_cond, zero, npc0, npc1);
1003
1004 tcg_temp_free(npc0);
1005 tcg_temp_free(npc1);
1006 tcg_temp_free(zero);
1007 }
1008
1009 /* call this function before using the condition register as it may
1010 have been set for a jump */
1011 static inline void flush_cond(DisasContext *dc)
1012 {
1013 if (dc->npc == JUMP_PC) {
1014 gen_generic_branch(dc);
1015 dc->npc = DYNAMIC_PC;
1016 }
1017 }
1018
1019 static inline void save_npc(DisasContext *dc)
1020 {
1021 if (dc->npc == JUMP_PC) {
1022 gen_generic_branch(dc);
1023 dc->npc = DYNAMIC_PC;
1024 } else if (dc->npc != DYNAMIC_PC) {
1025 tcg_gen_movi_tl(cpu_npc, dc->npc);
1026 }
1027 }
1028
1029 static inline void update_psr(DisasContext *dc)
1030 {
1031 if (dc->cc_op != CC_OP_FLAGS) {
1032 dc->cc_op = CC_OP_FLAGS;
1033 gen_helper_compute_psr(cpu_env);
1034 }
1035 }
1036
1037 static inline void save_state(DisasContext *dc)
1038 {
1039 tcg_gen_movi_tl(cpu_pc, dc->pc);
1040 save_npc(dc);
1041 }
1042
1043 static inline void gen_mov_pc_npc(DisasContext *dc)
1044 {
1045 if (dc->npc == JUMP_PC) {
1046 gen_generic_branch(dc);
1047 tcg_gen_mov_tl(cpu_pc, cpu_npc);
1048 dc->pc = DYNAMIC_PC;
1049 } else if (dc->npc == DYNAMIC_PC) {
1050 tcg_gen_mov_tl(cpu_pc, cpu_npc);
1051 dc->pc = DYNAMIC_PC;
1052 } else {
1053 dc->pc = dc->npc;
1054 }
1055 }
1056
1057 static inline void gen_op_next_insn(void)
1058 {
1059 tcg_gen_mov_tl(cpu_pc, cpu_npc);
1060 tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
1061 }
1062
1063 static void free_compare(DisasCompare *cmp)
1064 {
1065 if (!cmp->g1) {
1066 tcg_temp_free(cmp->c1);
1067 }
1068 if (!cmp->g2) {
1069 tcg_temp_free(cmp->c2);
1070 }
1071 }
1072
1073 static void gen_compare(DisasCompare *cmp, bool xcc, unsigned int cond,
1074 DisasContext *dc)
1075 {
1076 static int subcc_cond[16] = {
1077 TCG_COND_NEVER,
1078 TCG_COND_EQ,
1079 TCG_COND_LE,
1080 TCG_COND_LT,
1081 TCG_COND_LEU,
1082 TCG_COND_LTU,
1083 -1, /* neg */
1084 -1, /* overflow */
1085 TCG_COND_ALWAYS,
1086 TCG_COND_NE,
1087 TCG_COND_GT,
1088 TCG_COND_GE,
1089 TCG_COND_GTU,
1090 TCG_COND_GEU,
1091 -1, /* pos */
1092 -1, /* no overflow */
1093 };
1094
1095 static int logic_cond[16] = {
1096 TCG_COND_NEVER,
1097 TCG_COND_EQ, /* eq: Z */
1098 TCG_COND_LE, /* le: Z | (N ^ V) -> Z | N */
1099 TCG_COND_LT, /* lt: N ^ V -> N */
1100 TCG_COND_EQ, /* leu: C | Z -> Z */
1101 TCG_COND_NEVER, /* ltu: C -> 0 */
1102 TCG_COND_LT, /* neg: N */
1103 TCG_COND_NEVER, /* vs: V -> 0 */
1104 TCG_COND_ALWAYS,
1105 TCG_COND_NE, /* ne: !Z */
1106 TCG_COND_GT, /* gt: !(Z | (N ^ V)) -> !(Z | N) */
1107 TCG_COND_GE, /* ge: !(N ^ V) -> !N */
1108 TCG_COND_NE, /* gtu: !(C | Z) -> !Z */
1109 TCG_COND_ALWAYS, /* geu: !C -> 1 */
1110 TCG_COND_GE, /* pos: !N */
1111 TCG_COND_ALWAYS, /* vc: !V -> 1 */
1112 };
1113
1114 TCGv_i32 r_src;
1115 TCGv r_dst;
1116
1117 #ifdef TARGET_SPARC64
1118 if (xcc) {
1119 r_src = cpu_xcc;
1120 } else {
1121 r_src = cpu_psr;
1122 }
1123 #else
1124 r_src = cpu_psr;
1125 #endif
1126
1127 switch (dc->cc_op) {
1128 case CC_OP_LOGIC:
1129 cmp->cond = logic_cond[cond];
1130 do_compare_dst_0:
1131 cmp->is_bool = false;
1132 cmp->g2 = false;
1133 cmp->c2 = tcg_const_tl(0);
1134 #ifdef TARGET_SPARC64
1135 if (!xcc) {
1136 cmp->g1 = false;
1137 cmp->c1 = tcg_temp_new();
1138 tcg_gen_ext32s_tl(cmp->c1, cpu_cc_dst);
1139 break;
1140 }
1141 #endif
1142 cmp->g1 = true;
1143 cmp->c1 = cpu_cc_dst;
1144 break;
1145
1146 case CC_OP_SUB:
1147 switch (cond) {
1148 case 6: /* neg */
1149 case 14: /* pos */
1150 cmp->cond = (cond == 6 ? TCG_COND_LT : TCG_COND_GE);
1151 goto do_compare_dst_0;
1152
1153 case 7: /* overflow */
1154 case 15: /* !overflow */
1155 goto do_dynamic;
1156
1157 default:
1158 cmp->cond = subcc_cond[cond];
1159 cmp->is_bool = false;
1160 #ifdef TARGET_SPARC64
1161 if (!xcc) {
1162 /* Note that sign-extension works for unsigned compares as
1163 long as both operands are sign-extended. */
1164 cmp->g1 = cmp->g2 = false;
1165 cmp->c1 = tcg_temp_new();
1166 cmp->c2 = tcg_temp_new();
1167 tcg_gen_ext32s_tl(cmp->c1, cpu_cc_src);
1168 tcg_gen_ext32s_tl(cmp->c2, cpu_cc_src2);
1169 break;
1170 }
1171 #endif
1172 cmp->g1 = cmp->g2 = true;
1173 cmp->c1 = cpu_cc_src;
1174 cmp->c2 = cpu_cc_src2;
1175 break;
1176 }
1177 break;
1178
1179 default:
1180 do_dynamic:
1181 gen_helper_compute_psr(cpu_env);
1182 dc->cc_op = CC_OP_FLAGS;
1183 /* FALLTHRU */
1184
1185 case CC_OP_FLAGS:
1186 /* We're going to generate a boolean result. */
1187 cmp->cond = TCG_COND_NE;
1188 cmp->is_bool = true;
1189 cmp->g1 = cmp->g2 = false;
1190 cmp->c1 = r_dst = tcg_temp_new();
1191 cmp->c2 = tcg_const_tl(0);
1192
1193 switch (cond) {
1194 case 0x0:
1195 gen_op_eval_bn(r_dst);
1196 break;
1197 case 0x1:
1198 gen_op_eval_be(r_dst, r_src);
1199 break;
1200 case 0x2:
1201 gen_op_eval_ble(r_dst, r_src);
1202 break;
1203 case 0x3:
1204 gen_op_eval_bl(r_dst, r_src);
1205 break;
1206 case 0x4:
1207 gen_op_eval_bleu(r_dst, r_src);
1208 break;
1209 case 0x5:
1210 gen_op_eval_bcs(r_dst, r_src);
1211 break;
1212 case 0x6:
1213 gen_op_eval_bneg(r_dst, r_src);
1214 break;
1215 case 0x7:
1216 gen_op_eval_bvs(r_dst, r_src);
1217 break;
1218 case 0x8:
1219 gen_op_eval_ba(r_dst);
1220 break;
1221 case 0x9:
1222 gen_op_eval_bne(r_dst, r_src);
1223 break;
1224 case 0xa:
1225 gen_op_eval_bg(r_dst, r_src);
1226 break;
1227 case 0xb:
1228 gen_op_eval_bge(r_dst, r_src);
1229 break;
1230 case 0xc:
1231 gen_op_eval_bgu(r_dst, r_src);
1232 break;
1233 case 0xd:
1234 gen_op_eval_bcc(r_dst, r_src);
1235 break;
1236 case 0xe:
1237 gen_op_eval_bpos(r_dst, r_src);
1238 break;
1239 case 0xf:
1240 gen_op_eval_bvc(r_dst, r_src);
1241 break;
1242 }
1243 break;
1244 }
1245 }
1246
1247 static void gen_fcompare(DisasCompare *cmp, unsigned int cc, unsigned int cond)
1248 {
1249 unsigned int offset;
1250 TCGv r_dst;
1251
1252 /* For now we still generate a straight boolean result. */
1253 cmp->cond = TCG_COND_NE;
1254 cmp->is_bool = true;
1255 cmp->g1 = cmp->g2 = false;
1256 cmp->c1 = r_dst = tcg_temp_new();
1257 cmp->c2 = tcg_const_tl(0);
1258
1259 switch (cc) {
1260 default:
1261 case 0x0:
1262 offset = 0;
1263 break;
1264 case 0x1:
1265 offset = 32 - 10;
1266 break;
1267 case 0x2:
1268 offset = 34 - 10;
1269 break;
1270 case 0x3:
1271 offset = 36 - 10;
1272 break;
1273 }
1274
1275 switch (cond) {
1276 case 0x0:
1277 gen_op_eval_bn(r_dst);
1278 break;
1279 case 0x1:
1280 gen_op_eval_fbne(r_dst, cpu_fsr, offset);
1281 break;
1282 case 0x2:
1283 gen_op_eval_fblg(r_dst, cpu_fsr, offset);
1284 break;
1285 case 0x3:
1286 gen_op_eval_fbul(r_dst, cpu_fsr, offset);
1287 break;
1288 case 0x4:
1289 gen_op_eval_fbl(r_dst, cpu_fsr, offset);
1290 break;
1291 case 0x5:
1292 gen_op_eval_fbug(r_dst, cpu_fsr, offset);
1293 break;
1294 case 0x6:
1295 gen_op_eval_fbg(r_dst, cpu_fsr, offset);
1296 break;
1297 case 0x7:
1298 gen_op_eval_fbu(r_dst, cpu_fsr, offset);
1299 break;
1300 case 0x8:
1301 gen_op_eval_ba(r_dst);
1302 break;
1303 case 0x9:
1304 gen_op_eval_fbe(r_dst, cpu_fsr, offset);
1305 break;
1306 case 0xa:
1307 gen_op_eval_fbue(r_dst, cpu_fsr, offset);
1308 break;
1309 case 0xb:
1310 gen_op_eval_fbge(r_dst, cpu_fsr, offset);
1311 break;
1312 case 0xc:
1313 gen_op_eval_fbuge(r_dst, cpu_fsr, offset);
1314 break;
1315 case 0xd:
1316 gen_op_eval_fble(r_dst, cpu_fsr, offset);
1317 break;
1318 case 0xe:
1319 gen_op_eval_fbule(r_dst, cpu_fsr, offset);
1320 break;
1321 case 0xf:
1322 gen_op_eval_fbo(r_dst, cpu_fsr, offset);
1323 break;
1324 }
1325 }
1326
1327 static void gen_cond(TCGv r_dst, unsigned int cc, unsigned int cond,
1328 DisasContext *dc)
1329 {
1330 DisasCompare cmp;
1331 gen_compare(&cmp, cc, cond, dc);
1332
1333 /* The interface is to return a boolean in r_dst. */
1334 if (cmp.is_bool) {
1335 tcg_gen_mov_tl(r_dst, cmp.c1);
1336 } else {
1337 tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1338 }
1339
1340 free_compare(&cmp);
1341 }
1342
1343 static void gen_fcond(TCGv r_dst, unsigned int cc, unsigned int cond)
1344 {
1345 DisasCompare cmp;
1346 gen_fcompare(&cmp, cc, cond);
1347
1348 /* The interface is to return a boolean in r_dst. */
1349 if (cmp.is_bool) {
1350 tcg_gen_mov_tl(r_dst, cmp.c1);
1351 } else {
1352 tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1353 }
1354
1355 free_compare(&cmp);
1356 }
1357
1358 #ifdef TARGET_SPARC64
1359 // Inverted logic
1360 static const int gen_tcg_cond_reg[8] = {
1361 -1,
1362 TCG_COND_NE,
1363 TCG_COND_GT,
1364 TCG_COND_GE,
1365 -1,
1366 TCG_COND_EQ,
1367 TCG_COND_LE,
1368 TCG_COND_LT,
1369 };
1370
1371 static void gen_compare_reg(DisasCompare *cmp, int cond, TCGv r_src)
1372 {
1373 cmp->cond = tcg_invert_cond(gen_tcg_cond_reg[cond]);
1374 cmp->is_bool = false;
1375 cmp->g1 = true;
1376 cmp->g2 = false;
1377 cmp->c1 = r_src;
1378 cmp->c2 = tcg_const_tl(0);
1379 }
1380
1381 static inline void gen_cond_reg(TCGv r_dst, int cond, TCGv r_src)
1382 {
1383 DisasCompare cmp;
1384 gen_compare_reg(&cmp, cond, r_src);
1385
1386 /* The interface is to return a boolean in r_dst. */
1387 tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1388
1389 free_compare(&cmp);
1390 }
1391 #endif
1392
1393 static void do_branch(DisasContext *dc, int32_t offset, uint32_t insn, int cc)
1394 {
1395 unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
1396 target_ulong target = dc->pc + offset;
1397
1398 #ifdef TARGET_SPARC64
1399 if (unlikely(AM_CHECK(dc))) {
1400 target &= 0xffffffffULL;
1401 }
1402 #endif
1403 if (cond == 0x0) {
1404 /* unconditional not taken */
1405 if (a) {
1406 dc->pc = dc->npc + 4;
1407 dc->npc = dc->pc + 4;
1408 } else {
1409 dc->pc = dc->npc;
1410 dc->npc = dc->pc + 4;
1411 }
1412 } else if (cond == 0x8) {
1413 /* unconditional taken */
1414 if (a) {
1415 dc->pc = target;
1416 dc->npc = dc->pc + 4;
1417 } else {
1418 dc->pc = dc->npc;
1419 dc->npc = target;
1420 tcg_gen_mov_tl(cpu_pc, cpu_npc);
1421 }
1422 } else {
1423 flush_cond(dc);
1424 gen_cond(cpu_cond, cc, cond, dc);
1425 if (a) {
1426 gen_branch_a(dc, target, dc->npc, cpu_cond);
1427 dc->is_br = 1;
1428 } else {
1429 dc->pc = dc->npc;
1430 dc->jump_pc[0] = target;
1431 if (unlikely(dc->npc == DYNAMIC_PC)) {
1432 dc->jump_pc[1] = DYNAMIC_PC;
1433 tcg_gen_addi_tl(cpu_pc, cpu_npc, 4);
1434 } else {
1435 dc->jump_pc[1] = dc->npc + 4;
1436 dc->npc = JUMP_PC;
1437 }
1438 }
1439 }
1440 }
1441
1442 static void do_fbranch(DisasContext *dc, int32_t offset, uint32_t insn, int cc)
1443 {
1444 unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
1445 target_ulong target = dc->pc + offset;
1446
1447 #ifdef TARGET_SPARC64
1448 if (unlikely(AM_CHECK(dc))) {
1449 target &= 0xffffffffULL;
1450 }
1451 #endif
1452 if (cond == 0x0) {
1453 /* unconditional not taken */
1454 if (a) {
1455 dc->pc = dc->npc + 4;
1456 dc->npc = dc->pc + 4;
1457 } else {
1458 dc->pc = dc->npc;
1459 dc->npc = dc->pc + 4;
1460 }
1461 } else if (cond == 0x8) {
1462 /* unconditional taken */
1463 if (a) {
1464 dc->pc = target;
1465 dc->npc = dc->pc + 4;
1466 } else {
1467 dc->pc = dc->npc;
1468 dc->npc = target;
1469 tcg_gen_mov_tl(cpu_pc, cpu_npc);
1470 }
1471 } else {
1472 flush_cond(dc);
1473 gen_fcond(cpu_cond, cc, cond);
1474 if (a) {
1475 gen_branch_a(dc, target, dc->npc, cpu_cond);
1476 dc->is_br = 1;
1477 } else {
1478 dc->pc = dc->npc;
1479 dc->jump_pc[0] = target;
1480 if (unlikely(dc->npc == DYNAMIC_PC)) {
1481 dc->jump_pc[1] = DYNAMIC_PC;
1482 tcg_gen_addi_tl(cpu_pc, cpu_npc, 4);
1483 } else {
1484 dc->jump_pc[1] = dc->npc + 4;
1485 dc->npc = JUMP_PC;
1486 }
1487 }
1488 }
1489 }
1490
1491 #ifdef TARGET_SPARC64
1492 static void do_branch_reg(DisasContext *dc, int32_t offset, uint32_t insn,
1493 TCGv r_reg)
1494 {
1495 unsigned int cond = GET_FIELD_SP(insn, 25, 27), a = (insn & (1 << 29));
1496 target_ulong target = dc->pc + offset;
1497
1498 if (unlikely(AM_CHECK(dc))) {
1499 target &= 0xffffffffULL;
1500 }
1501 flush_cond(dc);
1502 gen_cond_reg(cpu_cond, cond, r_reg);
1503 if (a) {
1504 gen_branch_a(dc, target, dc->npc, cpu_cond);
1505 dc->is_br = 1;
1506 } else {
1507 dc->pc = dc->npc;
1508 dc->jump_pc[0] = target;
1509 if (unlikely(dc->npc == DYNAMIC_PC)) {
1510 dc->jump_pc[1] = DYNAMIC_PC;
1511 tcg_gen_addi_tl(cpu_pc, cpu_npc, 4);
1512 } else {
1513 dc->jump_pc[1] = dc->npc + 4;
1514 dc->npc = JUMP_PC;
1515 }
1516 }
1517 }
1518
1519 static inline void gen_op_fcmps(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
1520 {
1521 switch (fccno) {
1522 case 0:
1523 gen_helper_fcmps(cpu_env, r_rs1, r_rs2);
1524 break;
1525 case 1:
1526 gen_helper_fcmps_fcc1(cpu_env, r_rs1, r_rs2);
1527 break;
1528 case 2:
1529 gen_helper_fcmps_fcc2(cpu_env, r_rs1, r_rs2);
1530 break;
1531 case 3:
1532 gen_helper_fcmps_fcc3(cpu_env, r_rs1, r_rs2);
1533 break;
1534 }
1535 }
1536
1537 static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1538 {
1539 switch (fccno) {
1540 case 0:
1541 gen_helper_fcmpd(cpu_env, r_rs1, r_rs2);
1542 break;
1543 case 1:
1544 gen_helper_fcmpd_fcc1(cpu_env, r_rs1, r_rs2);
1545 break;
1546 case 2:
1547 gen_helper_fcmpd_fcc2(cpu_env, r_rs1, r_rs2);
1548 break;
1549 case 3:
1550 gen_helper_fcmpd_fcc3(cpu_env, r_rs1, r_rs2);
1551 break;
1552 }
1553 }
1554
1555 static inline void gen_op_fcmpq(int fccno)
1556 {
1557 switch (fccno) {
1558 case 0:
1559 gen_helper_fcmpq(cpu_env);
1560 break;
1561 case 1:
1562 gen_helper_fcmpq_fcc1(cpu_env);
1563 break;
1564 case 2:
1565 gen_helper_fcmpq_fcc2(cpu_env);
1566 break;
1567 case 3:
1568 gen_helper_fcmpq_fcc3(cpu_env);
1569 break;
1570 }
1571 }
1572
1573 static inline void gen_op_fcmpes(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
1574 {
1575 switch (fccno) {
1576 case 0:
1577 gen_helper_fcmpes(cpu_env, r_rs1, r_rs2);
1578 break;
1579 case 1:
1580 gen_helper_fcmpes_fcc1(cpu_env, r_rs1, r_rs2);
1581 break;
1582 case 2:
1583 gen_helper_fcmpes_fcc2(cpu_env, r_rs1, r_rs2);
1584 break;
1585 case 3:
1586 gen_helper_fcmpes_fcc3(cpu_env, r_rs1, r_rs2);
1587 break;
1588 }
1589 }
1590
1591 static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1592 {
1593 switch (fccno) {
1594 case 0:
1595 gen_helper_fcmped(cpu_env, r_rs1, r_rs2);
1596 break;
1597 case 1:
1598 gen_helper_fcmped_fcc1(cpu_env, r_rs1, r_rs2);
1599 break;
1600 case 2:
1601 gen_helper_fcmped_fcc2(cpu_env, r_rs1, r_rs2);
1602 break;
1603 case 3:
1604 gen_helper_fcmped_fcc3(cpu_env, r_rs1, r_rs2);
1605 break;
1606 }
1607 }
1608
1609 static inline void gen_op_fcmpeq(int fccno)
1610 {
1611 switch (fccno) {
1612 case 0:
1613 gen_helper_fcmpeq(cpu_env);
1614 break;
1615 case 1:
1616 gen_helper_fcmpeq_fcc1(cpu_env);
1617 break;
1618 case 2:
1619 gen_helper_fcmpeq_fcc2(cpu_env);
1620 break;
1621 case 3:
1622 gen_helper_fcmpeq_fcc3(cpu_env);
1623 break;
1624 }
1625 }
1626
1627 #else
1628
1629 static inline void gen_op_fcmps(int fccno, TCGv r_rs1, TCGv r_rs2)
1630 {
1631 gen_helper_fcmps(cpu_env, r_rs1, r_rs2);
1632 }
1633
1634 static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1635 {
1636 gen_helper_fcmpd(cpu_env, r_rs1, r_rs2);
1637 }
1638
1639 static inline void gen_op_fcmpq(int fccno)
1640 {
1641 gen_helper_fcmpq(cpu_env);
1642 }
1643
1644 static inline void gen_op_fcmpes(int fccno, TCGv r_rs1, TCGv r_rs2)
1645 {
1646 gen_helper_fcmpes(cpu_env, r_rs1, r_rs2);
1647 }
1648
1649 static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1650 {
1651 gen_helper_fcmped(cpu_env, r_rs1, r_rs2);
1652 }
1653
1654 static inline void gen_op_fcmpeq(int fccno)
1655 {
1656 gen_helper_fcmpeq(cpu_env);
1657 }
1658 #endif
1659
1660 static inline void gen_op_fpexception_im(int fsr_flags)
1661 {
1662 TCGv_i32 r_const;
1663
1664 tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_NMASK);
1665 tcg_gen_ori_tl(cpu_fsr, cpu_fsr, fsr_flags);
1666 r_const = tcg_const_i32(TT_FP_EXCP);
1667 gen_helper_raise_exception(cpu_env, r_const);
1668 tcg_temp_free_i32(r_const);
1669 }
1670
1671 static int gen_trap_ifnofpu(DisasContext *dc)
1672 {
1673 #if !defined(CONFIG_USER_ONLY)
1674 if (!dc->fpu_enabled) {
1675 TCGv_i32 r_const;
1676
1677 save_state(dc);
1678 r_const = tcg_const_i32(TT_NFPU_INSN);
1679 gen_helper_raise_exception(cpu_env, r_const);
1680 tcg_temp_free_i32(r_const);
1681 dc->is_br = 1;
1682 return 1;
1683 }
1684 #endif
1685 return 0;
1686 }
1687
1688 static inline void gen_op_clear_ieee_excp_and_FTT(void)
1689 {
1690 tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_CEXC_NMASK);
1691 }
1692
1693 static inline void gen_fop_FF(DisasContext *dc, int rd, int rs,
1694 void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32))
1695 {
1696 TCGv_i32 dst, src;
1697
1698 src = gen_load_fpr_F(dc, rs);
1699 dst = gen_dest_fpr_F(dc);
1700
1701 gen(dst, cpu_env, src);
1702
1703 gen_store_fpr_F(dc, rd, dst);
1704 }
1705
1706 static inline void gen_ne_fop_FF(DisasContext *dc, int rd, int rs,
1707 void (*gen)(TCGv_i32, TCGv_i32))
1708 {
1709 TCGv_i32 dst, src;
1710
1711 src = gen_load_fpr_F(dc, rs);
1712 dst = gen_dest_fpr_F(dc);
1713
1714 gen(dst, src);
1715
1716 gen_store_fpr_F(dc, rd, dst);
1717 }
1718
1719 static inline void gen_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
1720 void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32, TCGv_i32))
1721 {
1722 TCGv_i32 dst, src1, src2;
1723
1724 src1 = gen_load_fpr_F(dc, rs1);
1725 src2 = gen_load_fpr_F(dc, rs2);
1726 dst = gen_dest_fpr_F(dc);
1727
1728 gen(dst, cpu_env, src1, src2);
1729
1730 gen_store_fpr_F(dc, rd, dst);
1731 }
1732
1733 #ifdef TARGET_SPARC64
1734 static inline void gen_ne_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
1735 void (*gen)(TCGv_i32, TCGv_i32, TCGv_i32))
1736 {
1737 TCGv_i32 dst, src1, src2;
1738
1739 src1 = gen_load_fpr_F(dc, rs1);
1740 src2 = gen_load_fpr_F(dc, rs2);
1741 dst = gen_dest_fpr_F(dc);
1742
1743 gen(dst, src1, src2);
1744
1745 gen_store_fpr_F(dc, rd, dst);
1746 }
1747 #endif
1748
1749 static inline void gen_fop_DD(DisasContext *dc, int rd, int rs,
1750 void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i64))
1751 {
1752 TCGv_i64 dst, src;
1753
1754 src = gen_load_fpr_D(dc, rs);
1755 dst = gen_dest_fpr_D(dc, rd);
1756
1757 gen(dst, cpu_env, src);
1758
1759 gen_store_fpr_D(dc, rd, dst);
1760 }
1761
1762 #ifdef TARGET_SPARC64
1763 static inline void gen_ne_fop_DD(DisasContext *dc, int rd, int rs,
1764 void (*gen)(TCGv_i64, TCGv_i64))
1765 {
1766 TCGv_i64 dst, src;
1767
1768 src = gen_load_fpr_D(dc, rs);
1769 dst = gen_dest_fpr_D(dc, rd);
1770
1771 gen(dst, src);
1772
1773 gen_store_fpr_D(dc, rd, dst);
1774 }
1775 #endif
1776
1777 static inline void gen_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1778 void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i64, TCGv_i64))
1779 {
1780 TCGv_i64 dst, src1, src2;
1781
1782 src1 = gen_load_fpr_D(dc, rs1);
1783 src2 = gen_load_fpr_D(dc, rs2);
1784 dst = gen_dest_fpr_D(dc, rd);
1785
1786 gen(dst, cpu_env, src1, src2);
1787
1788 gen_store_fpr_D(dc, rd, dst);
1789 }
1790
1791 #ifdef TARGET_SPARC64
1792 static inline void gen_ne_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1793 void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64))
1794 {
1795 TCGv_i64 dst, src1, src2;
1796
1797 src1 = gen_load_fpr_D(dc, rs1);
1798 src2 = gen_load_fpr_D(dc, rs2);
1799 dst = gen_dest_fpr_D(dc, rd);
1800
1801 gen(dst, src1, src2);
1802
1803 gen_store_fpr_D(dc, rd, dst);
1804 }
1805
1806 static inline void gen_gsr_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1807 void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
1808 {
1809 TCGv_i64 dst, src1, src2;
1810
1811 src1 = gen_load_fpr_D(dc, rs1);
1812 src2 = gen_load_fpr_D(dc, rs2);
1813 dst = gen_dest_fpr_D(dc, rd);
1814
1815 gen(dst, cpu_gsr, src1, src2);
1816
1817 gen_store_fpr_D(dc, rd, dst);
1818 }
1819
1820 static inline void gen_ne_fop_DDDD(DisasContext *dc, int rd, int rs1, int rs2,
1821 void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
1822 {
1823 TCGv_i64 dst, src0, src1, src2;
1824
1825 src1 = gen_load_fpr_D(dc, rs1);
1826 src2 = gen_load_fpr_D(dc, rs2);
1827 src0 = gen_load_fpr_D(dc, rd);
1828 dst = gen_dest_fpr_D(dc, rd);
1829
1830 gen(dst, src0, src1, src2);
1831
1832 gen_store_fpr_D(dc, rd, dst);
1833 }
1834 #endif
1835
1836 static inline void gen_fop_QQ(DisasContext *dc, int rd, int rs,
1837 void (*gen)(TCGv_ptr))
1838 {
1839 gen_op_load_fpr_QT1(QFPREG(rs));
1840
1841 gen(cpu_env);
1842
1843 gen_op_store_QT0_fpr(QFPREG(rd));
1844 gen_update_fprs_dirty(QFPREG(rd));
1845 }
1846
1847 #ifdef TARGET_SPARC64
1848 static inline void gen_ne_fop_QQ(DisasContext *dc, int rd, int rs,
1849 void (*gen)(TCGv_ptr))
1850 {
1851 gen_op_load_fpr_QT1(QFPREG(rs));
1852
1853 gen(cpu_env);
1854
1855 gen_op_store_QT0_fpr(QFPREG(rd));
1856 gen_update_fprs_dirty(QFPREG(rd));
1857 }
1858 #endif
1859
1860 static inline void gen_fop_QQQ(DisasContext *dc, int rd, int rs1, int rs2,
1861 void (*gen)(TCGv_ptr))
1862 {
1863 gen_op_load_fpr_QT0(QFPREG(rs1));
1864 gen_op_load_fpr_QT1(QFPREG(rs2));
1865
1866 gen(cpu_env);
1867
1868 gen_op_store_QT0_fpr(QFPREG(rd));
1869 gen_update_fprs_dirty(QFPREG(rd));
1870 }
1871
1872 static inline void gen_fop_DFF(DisasContext *dc, int rd, int rs1, int rs2,
1873 void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32, TCGv_i32))
1874 {
1875 TCGv_i64 dst;
1876 TCGv_i32 src1, src2;
1877
1878 src1 = gen_load_fpr_F(dc, rs1);
1879 src2 = gen_load_fpr_F(dc, rs2);
1880 dst = gen_dest_fpr_D(dc, rd);
1881
1882 gen(dst, cpu_env, src1, src2);
1883
1884 gen_store_fpr_D(dc, rd, dst);
1885 }
1886
1887 static inline void gen_fop_QDD(DisasContext *dc, int rd, int rs1, int rs2,
1888 void (*gen)(TCGv_ptr, TCGv_i64, TCGv_i64))
1889 {
1890 TCGv_i64 src1, src2;
1891
1892 src1 = gen_load_fpr_D(dc, rs1);
1893 src2 = gen_load_fpr_D(dc, rs2);
1894
1895 gen(cpu_env, src1, src2);
1896
1897 gen_op_store_QT0_fpr(QFPREG(rd));
1898 gen_update_fprs_dirty(QFPREG(rd));
1899 }
1900
1901 #ifdef TARGET_SPARC64
1902 static inline void gen_fop_DF(DisasContext *dc, int rd, int rs,
1903 void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
1904 {
1905 TCGv_i64 dst;
1906 TCGv_i32 src;
1907
1908 src = gen_load_fpr_F(dc, rs);
1909 dst = gen_dest_fpr_D(dc, rd);
1910
1911 gen(dst, cpu_env, src);
1912
1913 gen_store_fpr_D(dc, rd, dst);
1914 }
1915 #endif
1916
1917 static inline void gen_ne_fop_DF(DisasContext *dc, int rd, int rs,
1918 void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
1919 {
1920 TCGv_i64 dst;
1921 TCGv_i32 src;
1922
1923 src = gen_load_fpr_F(dc, rs);
1924 dst = gen_dest_fpr_D(dc, rd);
1925
1926 gen(dst, cpu_env, src);
1927
1928 gen_store_fpr_D(dc, rd, dst);
1929 }
1930
1931 static inline void gen_fop_FD(DisasContext *dc, int rd, int rs,
1932 void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i64))
1933 {
1934 TCGv_i32 dst;
1935 TCGv_i64 src;
1936
1937 src = gen_load_fpr_D(dc, rs);
1938 dst = gen_dest_fpr_F(dc);
1939
1940 gen(dst, cpu_env, src);
1941
1942 gen_store_fpr_F(dc, rd, dst);
1943 }
1944
1945 static inline void gen_fop_FQ(DisasContext *dc, int rd, int rs,
1946 void (*gen)(TCGv_i32, TCGv_ptr))
1947 {
1948 TCGv_i32 dst;
1949
1950 gen_op_load_fpr_QT1(QFPREG(rs));
1951 dst = gen_dest_fpr_F(dc);
1952
1953 gen(dst, cpu_env);
1954
1955 gen_store_fpr_F(dc, rd, dst);
1956 }
1957
1958 static inline void gen_fop_DQ(DisasContext *dc, int rd, int rs,
1959 void (*gen)(TCGv_i64, TCGv_ptr))
1960 {
1961 TCGv_i64 dst;
1962
1963 gen_op_load_fpr_QT1(QFPREG(rs));
1964 dst = gen_dest_fpr_D(dc, rd);
1965
1966 gen(dst, cpu_env);
1967
1968 gen_store_fpr_D(dc, rd, dst);
1969 }
1970
1971 static inline void gen_ne_fop_QF(DisasContext *dc, int rd, int rs,
1972 void (*gen)(TCGv_ptr, TCGv_i32))
1973 {
1974 TCGv_i32 src;
1975
1976 src = gen_load_fpr_F(dc, rs);
1977
1978 gen(cpu_env, src);
1979
1980 gen_op_store_QT0_fpr(QFPREG(rd));
1981 gen_update_fprs_dirty(QFPREG(rd));
1982 }
1983
1984 static inline void gen_ne_fop_QD(DisasContext *dc, int rd, int rs,
1985 void (*gen)(TCGv_ptr, TCGv_i64))
1986 {
1987 TCGv_i64 src;
1988
1989 src = gen_load_fpr_D(dc, rs);
1990
1991 gen(cpu_env, src);
1992
1993 gen_op_store_QT0_fpr(QFPREG(rd));
1994 gen_update_fprs_dirty(QFPREG(rd));
1995 }
1996
1997 /* asi moves */
1998 #ifdef TARGET_SPARC64
1999 static inline TCGv_i32 gen_get_asi(int insn, TCGv r_addr)
2000 {
2001 int asi;
2002 TCGv_i32 r_asi;
2003
2004 if (IS_IMM) {
2005 r_asi = tcg_temp_new_i32();
2006 tcg_gen_mov_i32(r_asi, cpu_asi);
2007 } else {
2008 asi = GET_FIELD(insn, 19, 26);
2009 r_asi = tcg_const_i32(asi);
2010 }
2011 return r_asi;
2012 }
2013
2014 static inline void gen_ld_asi(TCGv dst, TCGv addr, int insn, int size,
2015 int sign)
2016 {
2017 TCGv_i32 r_asi, r_size, r_sign;
2018
2019 r_asi = gen_get_asi(insn, addr);
2020 r_size = tcg_const_i32(size);
2021 r_sign = tcg_const_i32(sign);
2022 gen_helper_ld_asi(dst, cpu_env, addr, r_asi, r_size, r_sign);
2023 tcg_temp_free_i32(r_sign);
2024 tcg_temp_free_i32(r_size);
2025 tcg_temp_free_i32(r_asi);
2026 }
2027
2028 static inline void gen_st_asi(TCGv src, TCGv addr, int insn, int size)
2029 {
2030 TCGv_i32 r_asi, r_size;
2031
2032 r_asi = gen_get_asi(insn, addr);
2033 r_size = tcg_const_i32(size);
2034 gen_helper_st_asi(cpu_env, addr, src, r_asi, r_size);
2035 tcg_temp_free_i32(r_size);
2036 tcg_temp_free_i32(r_asi);
2037 }
2038
2039 static inline void gen_ldf_asi(TCGv addr, int insn, int size, int rd)
2040 {
2041 TCGv_i32 r_asi, r_size, r_rd;
2042
2043 r_asi = gen_get_asi(insn, addr);
2044 r_size = tcg_const_i32(size);
2045 r_rd = tcg_const_i32(rd);
2046 gen_helper_ldf_asi(cpu_env, addr, r_asi, r_size, r_rd);
2047 tcg_temp_free_i32(r_rd);
2048 tcg_temp_free_i32(r_size);
2049 tcg_temp_free_i32(r_asi);
2050 }
2051
2052 static inline void gen_stf_asi(TCGv addr, int insn, int size, int rd)
2053 {
2054 TCGv_i32 r_asi, r_size, r_rd;
2055
2056 r_asi = gen_get_asi(insn, addr);
2057 r_size = tcg_const_i32(size);
2058 r_rd = tcg_const_i32(rd);
2059 gen_helper_stf_asi(cpu_env, addr, r_asi, r_size, r_rd);
2060 tcg_temp_free_i32(r_rd);
2061 tcg_temp_free_i32(r_size);
2062 tcg_temp_free_i32(r_asi);
2063 }
2064
2065 static inline void gen_swap_asi(TCGv dst, TCGv src, TCGv addr, int insn)
2066 {
2067 TCGv_i32 r_asi, r_size, r_sign;
2068 TCGv_i64 t64 = tcg_temp_new_i64();
2069
2070 r_asi = gen_get_asi(insn, addr);
2071 r_size = tcg_const_i32(4);
2072 r_sign = tcg_const_i32(0);
2073 gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_size, r_sign);
2074 tcg_temp_free_i32(r_sign);
2075 gen_helper_st_asi(cpu_env, addr, src, r_asi, r_size);
2076 tcg_temp_free_i32(r_size);
2077 tcg_temp_free_i32(r_asi);
2078 tcg_gen_trunc_i64_tl(dst, t64);
2079 tcg_temp_free_i64(t64);
2080 }
2081
2082 static inline void gen_ldda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2083 int insn, int rd)
2084 {
2085 TCGv_i32 r_asi, r_rd;
2086
2087 r_asi = gen_get_asi(insn, addr);
2088 r_rd = tcg_const_i32(rd);
2089 gen_helper_ldda_asi(cpu_env, addr, r_asi, r_rd);
2090 tcg_temp_free_i32(r_rd);
2091 tcg_temp_free_i32(r_asi);
2092 }
2093
2094 static inline void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2095 int insn, int rd)
2096 {
2097 TCGv_i32 r_asi, r_size;
2098 TCGv lo = gen_load_gpr(dc, rd + 1);
2099 TCGv_i64 t64 = tcg_temp_new_i64();
2100
2101 tcg_gen_concat_tl_i64(t64, lo, hi);
2102 r_asi = gen_get_asi(insn, addr);
2103 r_size = tcg_const_i32(8);
2104 gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_size);
2105 tcg_temp_free_i32(r_size);
2106 tcg_temp_free_i32(r_asi);
2107 tcg_temp_free_i64(t64);
2108 }
2109
2110 static inline void gen_cas_asi(DisasContext *dc, TCGv addr,
2111 TCGv val2, int insn, int rd)
2112 {
2113 TCGv val1 = gen_load_gpr(dc, rd);
2114 TCGv dst = gen_dest_gpr(dc, rd);
2115 TCGv_i32 r_asi = gen_get_asi(insn, addr);
2116
2117 gen_helper_cas_asi(dst, cpu_env, addr, val1, val2, r_asi);
2118 tcg_temp_free_i32(r_asi);
2119 gen_store_gpr(dc, rd, dst);
2120 }
2121
2122 static inline void gen_casx_asi(DisasContext *dc, TCGv addr,
2123 TCGv val2, int insn, int rd)
2124 {
2125 TCGv val1 = gen_load_gpr(dc, rd);
2126 TCGv dst = gen_dest_gpr(dc, rd);
2127 TCGv_i32 r_asi = gen_get_asi(insn, addr);
2128
2129 gen_helper_casx_asi(dst, cpu_env, addr, val1, val2, r_asi);
2130 tcg_temp_free_i32(r_asi);
2131 gen_store_gpr(dc, rd, dst);
2132 }
2133
2134 #elif !defined(CONFIG_USER_ONLY)
2135
2136 static inline void gen_ld_asi(TCGv dst, TCGv addr, int insn, int size,
2137 int sign)
2138 {
2139 TCGv_i32 r_asi, r_size, r_sign;
2140 TCGv_i64 t64 = tcg_temp_new_i64();
2141
2142 r_asi = tcg_const_i32(GET_FIELD(insn, 19, 26));
2143 r_size = tcg_const_i32(size);
2144 r_sign = tcg_const_i32(sign);
2145 gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_size, r_sign);
2146 tcg_temp_free_i32(r_sign);
2147 tcg_temp_free_i32(r_size);
2148 tcg_temp_free_i32(r_asi);
2149 tcg_gen_trunc_i64_tl(dst, t64);
2150 tcg_temp_free_i64(t64);
2151 }
2152
2153 static inline void gen_st_asi(TCGv src, TCGv addr, int insn, int size)
2154 {
2155 TCGv_i32 r_asi, r_size;
2156 TCGv_i64 t64 = tcg_temp_new_i64();
2157
2158 tcg_gen_extu_tl_i64(t64, src);
2159 r_asi = tcg_const_i32(GET_FIELD(insn, 19, 26));
2160 r_size = tcg_const_i32(size);
2161 gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_size);
2162 tcg_temp_free_i32(r_size);
2163 tcg_temp_free_i32(r_asi);
2164 tcg_temp_free_i64(t64);
2165 }
2166
2167 static inline void gen_swap_asi(TCGv dst, TCGv src, TCGv addr, int insn)
2168 {
2169 TCGv_i32 r_asi, r_size, r_sign;
2170 TCGv_i64 r_val, t64;
2171
2172 r_asi = tcg_const_i32(GET_FIELD(insn, 19, 26));
2173 r_size = tcg_const_i32(4);
2174 r_sign = tcg_const_i32(0);
2175 t64 = tcg_temp_new_i64();
2176 gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_size, r_sign);
2177 tcg_temp_free(r_sign);
2178 r_val = tcg_temp_new_i64();
2179 tcg_gen_extu_tl_i64(r_val, src);
2180 gen_helper_st_asi(cpu_env, addr, r_val, r_asi, r_size);
2181 tcg_temp_free_i64(r_val);
2182 tcg_temp_free_i32(r_size);
2183 tcg_temp_free_i32(r_asi);
2184 tcg_gen_trunc_i64_tl(dst, t64);
2185 tcg_temp_free_i64(t64);
2186 }
2187
2188 static inline void gen_ldda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2189 int insn, int rd)
2190 {
2191 TCGv_i32 r_asi, r_size, r_sign;
2192 TCGv t;
2193 TCGv_i64 t64;
2194
2195 r_asi = tcg_const_i32(GET_FIELD(insn, 19, 26));
2196 r_size = tcg_const_i32(8);
2197 r_sign = tcg_const_i32(0);
2198 t64 = tcg_temp_new_i64();
2199 gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_size, r_sign);
2200 tcg_temp_free_i32(r_sign);
2201 tcg_temp_free_i32(r_size);
2202 tcg_temp_free_i32(r_asi);
2203
2204 t = gen_dest_gpr(dc, rd + 1);
2205 tcg_gen_trunc_i64_tl(t, t64);
2206 gen_store_gpr(dc, rd + 1, t);
2207
2208 tcg_gen_shri_i64(t64, t64, 32);
2209 tcg_gen_trunc_i64_tl(hi, t64);
2210 tcg_temp_free_i64(t64);
2211 gen_store_gpr(dc, rd, hi);
2212 }
2213
2214 static inline void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2215 int insn, int rd)
2216 {
2217 TCGv_i32 r_asi, r_size;
2218 TCGv lo = gen_load_gpr(dc, rd + 1);
2219 TCGv_i64 t64 = tcg_temp_new_i64();
2220
2221 tcg_gen_concat_tl_i64(t64, lo, hi);
2222 r_asi = tcg_const_i32(GET_FIELD(insn, 19, 26));
2223 r_size = tcg_const_i32(8);
2224 gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_size);
2225 tcg_temp_free_i32(r_size);
2226 tcg_temp_free_i32(r_asi);
2227 tcg_temp_free_i64(t64);
2228 }
2229 #endif
2230
2231 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
2232 static inline void gen_ldstub_asi(TCGv dst, TCGv addr, int insn)
2233 {
2234 TCGv_i64 r_val;
2235 TCGv_i32 r_asi, r_size;
2236
2237 gen_ld_asi(dst, addr, insn, 1, 0);
2238
2239 r_val = tcg_const_i64(0xffULL);
2240 r_asi = tcg_const_i32(GET_FIELD(insn, 19, 26));
2241 r_size = tcg_const_i32(1);
2242 gen_helper_st_asi(cpu_env, addr, r_val, r_asi, r_size);
2243 tcg_temp_free_i32(r_size);
2244 tcg_temp_free_i32(r_asi);
2245 tcg_temp_free_i64(r_val);
2246 }
2247 #endif
2248
2249 static TCGv get_src1(DisasContext *dc, unsigned int insn)
2250 {
2251 unsigned int rs1 = GET_FIELD(insn, 13, 17);
2252 return gen_load_gpr(dc, rs1);
2253 }
2254
2255 static TCGv get_src2(DisasContext *dc, unsigned int insn)
2256 {
2257 if (IS_IMM) { /* immediate */
2258 target_long simm = GET_FIELDs(insn, 19, 31);
2259 TCGv t = get_temp_tl(dc);
2260 tcg_gen_movi_tl(t, simm);
2261 return t;
2262 } else { /* register */
2263 unsigned int rs2 = GET_FIELD(insn, 27, 31);
2264 return gen_load_gpr(dc, rs2);
2265 }
2266 }
2267
2268 #ifdef TARGET_SPARC64
2269 static void gen_fmovs(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2270 {
2271 TCGv_i32 c32, zero, dst, s1, s2;
2272
2273 /* We have two choices here: extend the 32 bit data and use movcond_i64,
2274 or fold the comparison down to 32 bits and use movcond_i32. Choose
2275 the later. */
2276 c32 = tcg_temp_new_i32();
2277 if (cmp->is_bool) {
2278 tcg_gen_trunc_i64_i32(c32, cmp->c1);
2279 } else {
2280 TCGv_i64 c64 = tcg_temp_new_i64();
2281 tcg_gen_setcond_i64(cmp->cond, c64, cmp->c1, cmp->c2);
2282 tcg_gen_trunc_i64_i32(c32, c64);
2283 tcg_temp_free_i64(c64);
2284 }
2285
2286 s1 = gen_load_fpr_F(dc, rs);
2287 s2 = gen_load_fpr_F(dc, rd);
2288 dst = gen_dest_fpr_F(dc);
2289 zero = tcg_const_i32(0);
2290
2291 tcg_gen_movcond_i32(TCG_COND_NE, dst, c32, zero, s1, s2);
2292
2293 tcg_temp_free_i32(c32);
2294 tcg_temp_free_i32(zero);
2295 gen_store_fpr_F(dc, rd, dst);
2296 }
2297
2298 static void gen_fmovd(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2299 {
2300 TCGv_i64 dst = gen_dest_fpr_D(dc, rd);
2301 tcg_gen_movcond_i64(cmp->cond, dst, cmp->c1, cmp->c2,
2302 gen_load_fpr_D(dc, rs),
2303 gen_load_fpr_D(dc, rd));
2304 gen_store_fpr_D(dc, rd, dst);
2305 }
2306
2307 static void gen_fmovq(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2308 {
2309 int qd = QFPREG(rd);
2310 int qs = QFPREG(rs);
2311
2312 tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2], cmp->c1, cmp->c2,
2313 cpu_fpr[qs / 2], cpu_fpr[qd / 2]);
2314 tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2 + 1], cmp->c1, cmp->c2,
2315 cpu_fpr[qs / 2 + 1], cpu_fpr[qd / 2 + 1]);
2316
2317 gen_update_fprs_dirty(qd);
2318 }
2319
2320 static inline void gen_load_trap_state_at_tl(TCGv_ptr r_tsptr, TCGv_ptr cpu_env)
2321 {
2322 TCGv_i32 r_tl = tcg_temp_new_i32();
2323
2324 /* load env->tl into r_tl */
2325 tcg_gen_ld_i32(r_tl, cpu_env, offsetof(CPUSPARCState, tl));
2326
2327 /* tl = [0 ... MAXTL_MASK] where MAXTL_MASK must be power of 2 */
2328 tcg_gen_andi_i32(r_tl, r_tl, MAXTL_MASK);
2329
2330 /* calculate offset to current trap state from env->ts, reuse r_tl */
2331 tcg_gen_muli_i32(r_tl, r_tl, sizeof (trap_state));
2332 tcg_gen_addi_ptr(r_tsptr, cpu_env, offsetof(CPUSPARCState, ts));
2333
2334 /* tsptr = env->ts[env->tl & MAXTL_MASK] */
2335 {
2336 TCGv_ptr r_tl_tmp = tcg_temp_new_ptr();
2337 tcg_gen_ext_i32_ptr(r_tl_tmp, r_tl);
2338 tcg_gen_add_ptr(r_tsptr, r_tsptr, r_tl_tmp);
2339 tcg_temp_free_ptr(r_tl_tmp);
2340 }
2341
2342 tcg_temp_free_i32(r_tl);
2343 }
2344
2345 static void gen_edge(DisasContext *dc, TCGv dst, TCGv s1, TCGv s2,
2346 int width, bool cc, bool left)
2347 {
2348 TCGv lo1, lo2, t1, t2;
2349 uint64_t amask, tabl, tabr;
2350 int shift, imask, omask;
2351
2352 if (cc) {
2353 tcg_gen_mov_tl(cpu_cc_src, s1);
2354 tcg_gen_mov_tl(cpu_cc_src2, s2);
2355 tcg_gen_sub_tl(cpu_cc_dst, s1, s2);
2356 tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
2357 dc->cc_op = CC_OP_SUB;
2358 }
2359
2360 /* Theory of operation: there are two tables, left and right (not to
2361 be confused with the left and right versions of the opcode). These
2362 are indexed by the low 3 bits of the inputs. To make things "easy",
2363 these tables are loaded into two constants, TABL and TABR below.
2364 The operation index = (input & imask) << shift calculates the index
2365 into the constant, while val = (table >> index) & omask calculates
2366 the value we're looking for. */
2367 switch (width) {
2368 case 8:
2369 imask = 0x7;
2370 shift = 3;
2371 omask = 0xff;
2372 if (left) {
2373 tabl = 0x80c0e0f0f8fcfeffULL;
2374 tabr = 0xff7f3f1f0f070301ULL;
2375 } else {
2376 tabl = 0x0103070f1f3f7fffULL;
2377 tabr = 0xfffefcf8f0e0c080ULL;
2378 }
2379 break;
2380 case 16:
2381 imask = 0x6;
2382 shift = 1;
2383 omask = 0xf;
2384 if (left) {
2385 tabl = 0x8cef;
2386 tabr = 0xf731;
2387 } else {
2388 tabl = 0x137f;
2389 tabr = 0xfec8;
2390 }
2391 break;
2392 case 32:
2393 imask = 0x4;
2394 shift = 0;
2395 omask = 0x3;
2396 if (left) {
2397 tabl = (2 << 2) | 3;
2398 tabr = (3 << 2) | 1;
2399 } else {
2400 tabl = (1 << 2) | 3;
2401 tabr = (3 << 2) | 2;
2402 }
2403 break;
2404 default:
2405 abort();
2406 }
2407
2408 lo1 = tcg_temp_new();
2409 lo2 = tcg_temp_new();
2410 tcg_gen_andi_tl(lo1, s1, imask);
2411 tcg_gen_andi_tl(lo2, s2, imask);
2412 tcg_gen_shli_tl(lo1, lo1, shift);
2413 tcg_gen_shli_tl(lo2, lo2, shift);
2414
2415 t1 = tcg_const_tl(tabl);
2416 t2 = tcg_const_tl(tabr);
2417 tcg_gen_shr_tl(lo1, t1, lo1);
2418 tcg_gen_shr_tl(lo2, t2, lo2);
2419 tcg_gen_andi_tl(dst, lo1, omask);
2420 tcg_gen_andi_tl(lo2, lo2, omask);
2421
2422 amask = -8;
2423 if (AM_CHECK(dc)) {
2424 amask &= 0xffffffffULL;
2425 }
2426 tcg_gen_andi_tl(s1, s1, amask);
2427 tcg_gen_andi_tl(s2, s2, amask);
2428
2429 /* We want to compute
2430 dst = (s1 == s2 ? lo1 : lo1 & lo2).
2431 We've already done dst = lo1, so this reduces to
2432 dst &= (s1 == s2 ? -1 : lo2)
2433 Which we perform by
2434 lo2 |= -(s1 == s2)
2435 dst &= lo2
2436 */
2437 tcg_gen_setcond_tl(TCG_COND_EQ, t1, s1, s2);
2438 tcg_gen_neg_tl(t1, t1);
2439 tcg_gen_or_tl(lo2, lo2, t1);
2440 tcg_gen_and_tl(dst, dst, lo2);
2441
2442 tcg_temp_free(lo1);
2443 tcg_temp_free(lo2);
2444 tcg_temp_free(t1);
2445 tcg_temp_free(t2);
2446 }
2447
2448 static void gen_alignaddr(TCGv dst, TCGv s1, TCGv s2, bool left)
2449 {
2450 TCGv tmp = tcg_temp_new();
2451
2452 tcg_gen_add_tl(tmp, s1, s2);
2453 tcg_gen_andi_tl(dst, tmp, -8);
2454 if (left) {
2455 tcg_gen_neg_tl(tmp, tmp);
2456 }
2457 tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, tmp, 0, 3);
2458
2459 tcg_temp_free(tmp);
2460 }
2461
2462 static void gen_faligndata(TCGv dst, TCGv gsr, TCGv s1, TCGv s2)
2463 {
2464 TCGv t1, t2, shift;
2465
2466 t1 = tcg_temp_new();
2467 t2 = tcg_temp_new();
2468 shift = tcg_temp_new();
2469
2470 tcg_gen_andi_tl(shift, gsr, 7);
2471 tcg_gen_shli_tl(shift, shift, 3);
2472 tcg_gen_shl_tl(t1, s1, shift);
2473
2474 /* A shift of 64 does not produce 0 in TCG. Divide this into a
2475 shift of (up to 63) followed by a constant shift of 1. */
2476 tcg_gen_xori_tl(shift, shift, 63);
2477 tcg_gen_shr_tl(t2, s2, shift);
2478 tcg_gen_shri_tl(t2, t2, 1);
2479
2480 tcg_gen_or_tl(dst, t1, t2);
2481
2482 tcg_temp_free(t1);
2483 tcg_temp_free(t2);
2484 tcg_temp_free(shift);
2485 }
2486 #endif
2487
2488 #define CHECK_IU_FEATURE(dc, FEATURE) \
2489 if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \
2490 goto illegal_insn;
2491 #define CHECK_FPU_FEATURE(dc, FEATURE) \
2492 if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \
2493 goto nfpu_insn;
2494
2495 /* before an instruction, dc->pc must be static */
2496 static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
2497 {
2498 unsigned int opc, rs1, rs2, rd;
2499 TCGv cpu_src1, cpu_src2;
2500 TCGv_i32 cpu_src1_32, cpu_src2_32, cpu_dst_32;
2501 TCGv_i64 cpu_src1_64, cpu_src2_64, cpu_dst_64;
2502 target_long simm;
2503
2504 if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) {
2505 tcg_gen_debug_insn_start(dc->pc);
2506 }
2507
2508 opc = GET_FIELD(insn, 0, 1);
2509 rd = GET_FIELD(insn, 2, 6);
2510
2511 switch (opc) {
2512 case 0: /* branches/sethi */
2513 {
2514 unsigned int xop = GET_FIELD(insn, 7, 9);
2515 int32_t target;
2516 switch (xop) {
2517 #ifdef TARGET_SPARC64
2518 case 0x1: /* V9 BPcc */
2519 {
2520 int cc;
2521
2522 target = GET_FIELD_SP(insn, 0, 18);
2523 target = sign_extend(target, 19);
2524 target <<= 2;
2525 cc = GET_FIELD_SP(insn, 20, 21);
2526 if (cc == 0)
2527 do_branch(dc, target, insn, 0);
2528 else if (cc == 2)
2529 do_branch(dc, target, insn, 1);
2530 else
2531 goto illegal_insn;
2532 goto jmp_insn;
2533 }
2534 case 0x3: /* V9 BPr */
2535 {
2536 target = GET_FIELD_SP(insn, 0, 13) |
2537 (GET_FIELD_SP(insn, 20, 21) << 14);
2538 target = sign_extend(target, 16);
2539 target <<= 2;
2540 cpu_src1 = get_src1(dc, insn);
2541 do_branch_reg(dc, target, insn, cpu_src1);
2542 goto jmp_insn;
2543 }
2544 case 0x5: /* V9 FBPcc */
2545 {
2546 int cc = GET_FIELD_SP(insn, 20, 21);
2547 if (gen_trap_ifnofpu(dc)) {
2548 goto jmp_insn;
2549 }
2550 target = GET_FIELD_SP(insn, 0, 18);
2551 target = sign_extend(target, 19);
2552 target <<= 2;
2553 do_fbranch(dc, target, insn, cc);
2554 goto jmp_insn;
2555 }
2556 #else
2557 case 0x7: /* CBN+x */
2558 {
2559 goto ncp_insn;
2560 }
2561 #endif
2562 case 0x2: /* BN+x */
2563 {
2564 target = GET_FIELD(insn, 10, 31);
2565 target = sign_extend(target, 22);
2566 target <<= 2;
2567 do_branch(dc, target, insn, 0);
2568 goto jmp_insn;
2569 }
2570 case 0x6: /* FBN+x */
2571 {
2572 if (gen_trap_ifnofpu(dc)) {
2573 goto jmp_insn;
2574 }
2575 target = GET_FIELD(insn, 10, 31);
2576 target = sign_extend(target, 22);
2577 target <<= 2;
2578 do_fbranch(dc, target, insn, 0);
2579 goto jmp_insn;
2580 }
2581 case 0x4: /* SETHI */
2582 /* Special-case %g0 because that's the canonical nop. */
2583 if (rd) {
2584 uint32_t value = GET_FIELD(insn, 10, 31);
2585 TCGv t = gen_dest_gpr(dc, rd);
2586 tcg_gen_movi_tl(t, value << 10);
2587 gen_store_gpr(dc, rd, t);
2588 }
2589 break;
2590 case 0x0: /* UNIMPL */
2591 default:
2592 goto illegal_insn;
2593 }
2594 break;
2595 }
2596 break;
2597 case 1: /*CALL*/
2598 {
2599 target_long target = GET_FIELDs(insn, 2, 31) << 2;
2600 TCGv o7 = gen_dest_gpr(dc, 15);
2601
2602 tcg_gen_movi_tl(o7, dc->pc);
2603 gen_store_gpr(dc, 15, o7);
2604 target += dc->pc;
2605 gen_mov_pc_npc(dc);
2606 #ifdef TARGET_SPARC64
2607 if (unlikely(AM_CHECK(dc))) {
2608 target &= 0xffffffffULL;
2609 }
2610 #endif
2611 dc->npc = target;
2612 }
2613 goto jmp_insn;
2614 case 2: /* FPU & Logical Operations */
2615 {
2616 unsigned int xop = GET_FIELD(insn, 7, 12);
2617 TCGv cpu_dst = get_temp_tl(dc);
2618 TCGv cpu_tmp0;
2619
2620 if (xop == 0x3a) { /* generate trap */
2621 int cond = GET_FIELD(insn, 3, 6);
2622 TCGv_i32 trap;
2623 int l1 = -1, mask;
2624
2625 if (cond == 0) {
2626 /* Trap never. */
2627 break;
2628 }
2629
2630 save_state(dc);
2631
2632 if (cond != 8) {
2633 /* Conditional trap. */
2634 DisasCompare cmp;
2635 #ifdef TARGET_SPARC64
2636 /* V9 icc/xcc */
2637 int cc = GET_FIELD_SP(insn, 11, 12);
2638 if (cc == 0) {
2639 gen_compare(&cmp, 0, cond, dc);
2640 } else if (cc == 2) {
2641 gen_compare(&cmp, 1, cond, dc);
2642 } else {
2643 goto illegal_insn;
2644 }
2645 #else
2646 gen_compare(&cmp, 0, cond, dc);
2647 #endif
2648 l1 = gen_new_label();
2649 tcg_gen_brcond_tl(tcg_invert_cond(cmp.cond),
2650 cmp.c1, cmp.c2, l1);
2651 free_compare(&cmp);
2652 }
2653
2654 mask = ((dc->def->features & CPU_FEATURE_HYPV) && supervisor(dc)
2655 ? UA2005_HTRAP_MASK : V8_TRAP_MASK);
2656
2657 /* Don't use the normal temporaries, as they may well have
2658 gone out of scope with the branch above. While we're
2659 doing that we might as well pre-truncate to 32-bit. */
2660 trap = tcg_temp_new_i32();
2661
2662 rs1 = GET_FIELD_SP(insn, 14, 18);
2663 if (IS_IMM) {
2664 rs2 = GET_FIELD_SP(insn, 0, 6);
2665 if (rs1 == 0) {
2666 tcg_gen_movi_i32(trap, (rs2 & mask) + TT_TRAP);
2667 /* Signal that the trap value is fully constant. */
2668 mask = 0;
2669 } else {
2670 TCGv t1 = gen_load_gpr(dc, rs1);
2671 tcg_gen_trunc_tl_i32(trap, t1);
2672 tcg_gen_addi_i32(trap, trap, rs2);
2673 }
2674 } else {
2675 TCGv t1, t2;
2676 rs2 = GET_FIELD_SP(insn, 0, 4);
2677 t1 = gen_load_gpr(dc, rs1);
2678 t2 = gen_load_gpr(dc, rs2);
2679 tcg_gen_add_tl(t1, t1, t2);
2680 tcg_gen_trunc_tl_i32(trap, t1);
2681 }
2682 if (mask != 0) {
2683 tcg_gen_andi_i32(trap, trap, mask);
2684 tcg_gen_addi_i32(trap, trap, TT_TRAP);
2685 }
2686
2687 gen_helper_raise_exception(cpu_env, trap);
2688 tcg_temp_free_i32(trap);
2689
2690 if (cond == 8) {
2691 /* An unconditional trap ends the TB. */
2692 dc->is_br = 1;
2693 goto jmp_insn;
2694 } else {
2695 /* A conditional trap falls through to the next insn. */
2696 gen_set_label(l1);
2697 break;
2698 }
2699 } else if (xop == 0x28) {
2700 rs1 = GET_FIELD(insn, 13, 17);
2701 switch(rs1) {
2702 case 0: /* rdy */
2703 #ifndef TARGET_SPARC64
2704 case 0x01 ... 0x0e: /* undefined in the SPARCv8
2705 manual, rdy on the microSPARC
2706 II */
2707 case 0x0f: /* stbar in the SPARCv8 manual,
2708 rdy on the microSPARC II */
2709 case 0x10 ... 0x1f: /* implementation-dependent in the
2710 SPARCv8 manual, rdy on the
2711 microSPARC II */
2712 /* Read Asr17 */
2713 if (rs1 == 0x11 && dc->def->features & CPU_FEATURE_ASR17) {
2714 TCGv t = gen_dest_gpr(dc, rd);
2715 /* Read Asr17 for a Leon3 monoprocessor */
2716 tcg_gen_movi_tl(t, (1 << 8) | (dc->def->nwindows - 1));
2717 gen_store_gpr(dc, rd, t);
2718 break;
2719 }
2720 #endif
2721 gen_store_gpr(dc, rd, cpu_y);
2722 break;
2723 #ifdef TARGET_SPARC64
2724 case 0x2: /* V9 rdccr */
2725 update_psr(dc);
2726 gen_helper_rdccr(cpu_dst, cpu_env);
2727 gen_store_gpr(dc, rd, cpu_dst);
2728 break;
2729 case 0x3: /* V9 rdasi */
2730 tcg_gen_ext_i32_tl(cpu_dst, cpu_asi);
2731 gen_store_gpr(dc, rd, cpu_dst);
2732 break;
2733 case 0x4: /* V9 rdtick */
2734 {
2735 TCGv_ptr r_tickptr;
2736
2737 r_tickptr = tcg_temp_new_ptr();
2738 tcg_gen_ld_ptr(r_tickptr, cpu_env,
2739 offsetof(CPUSPARCState, tick));
2740 gen_helper_tick_get_count(cpu_dst, r_tickptr);
2741 tcg_temp_free_ptr(r_tickptr);
2742 gen_store_gpr(dc, rd, cpu_dst);
2743 }
2744 break;
2745 case 0x5: /* V9 rdpc */
2746 {
2747 TCGv t = gen_dest_gpr(dc, rd);
2748 if (unlikely(AM_CHECK(dc))) {
2749 tcg_gen_movi_tl(t, dc->pc & 0xffffffffULL);
2750 } else {
2751 tcg_gen_movi_tl(t, dc->pc);
2752 }
2753 gen_store_gpr(dc, rd, t);
2754 }
2755 break;
2756 case 0x6: /* V9 rdfprs */
2757 tcg_gen_ext_i32_tl(cpu_dst, cpu_fprs);
2758 gen_store_gpr(dc, rd, cpu_dst);
2759 break;
2760 case 0xf: /* V9 membar */
2761 break; /* no effect */
2762 case 0x13: /* Graphics Status */
2763 if (gen_trap_ifnofpu(dc)) {
2764 goto jmp_insn;
2765 }
2766 gen_store_gpr(dc, rd, cpu_gsr);
2767 break;
2768 case 0x16: /* Softint */
2769 tcg_gen_ext_i32_tl(cpu_dst, cpu_softint);
2770 gen_store_gpr(dc, rd, cpu_dst);
2771 break;
2772 case 0x17: /* Tick compare */
2773 gen_store_gpr(dc, rd, cpu_tick_cmpr);
2774 break;
2775 case 0x18: /* System tick */
2776 {
2777 TCGv_ptr r_tickptr;
2778
2779 r_tickptr = tcg_temp_new_ptr();
2780 tcg_gen_ld_ptr(r_tickptr, cpu_env,
2781 offsetof(CPUSPARCState, stick));
2782 gen_helper_tick_get_count(cpu_dst, r_tickptr);
2783 tcg_temp_free_ptr(r_tickptr);
2784 gen_store_gpr(dc, rd, cpu_dst);
2785 }
2786 break;
2787 case 0x19: /* System tick compare */
2788 gen_store_gpr(dc, rd, cpu_stick_cmpr);
2789 break;
2790 case 0x10: /* Performance Control */
2791 case 0x11: /* Performance Instrumentation Counter */
2792 case 0x12: /* Dispatch Control */
2793 case 0x14: /* Softint set, WO */
2794 case 0x15: /* Softint clear, WO */
2795 #endif
2796 default:
2797 goto illegal_insn;
2798 }
2799 #if !defined(CONFIG_USER_ONLY)
2800 } else if (xop == 0x29) { /* rdpsr / UA2005 rdhpr */
2801 #ifndef TARGET_SPARC64
2802 if (!supervisor(dc)) {
2803 goto priv_insn;
2804 }
2805 update_psr(dc);
2806 gen_helper_rdpsr(cpu_dst, cpu_env);
2807 #else
2808 CHECK_IU_FEATURE(dc, HYPV);
2809 if (!hypervisor(dc))
2810 goto priv_insn;
2811 rs1 = GET_FIELD(insn, 13, 17);
2812 switch (rs1) {
2813 case 0: // hpstate
2814 // gen_op_rdhpstate();
2815 break;
2816 case 1: // htstate
2817 // gen_op_rdhtstate();
2818 break;
2819 case 3: // hintp
2820 tcg_gen_mov_tl(cpu_dst, cpu_hintp);
2821 break;
2822 case 5: // htba
2823 tcg_gen_mov_tl(cpu_dst, cpu_htba);
2824 break;
2825 case 6: // hver
2826 tcg_gen_mov_tl(cpu_dst, cpu_hver);
2827 break;
2828 case 31: // hstick_cmpr
2829 tcg_gen_mov_tl(cpu_dst, cpu_hstick_cmpr);
2830 break;
2831 default:
2832 goto illegal_insn;
2833 }
2834 #endif
2835 gen_store_gpr(dc, rd, cpu_dst);
2836 break;
2837 } else if (xop == 0x2a) { /* rdwim / V9 rdpr */
2838 if (!supervisor(dc)) {
2839 goto priv_insn;
2840 }
2841 cpu_tmp0 = get_temp_tl(dc);
2842 #ifdef TARGET_SPARC64
2843 rs1 = GET_FIELD(insn, 13, 17);
2844 switch (rs1) {
2845 case 0: // tpc
2846 {
2847 TCGv_ptr r_tsptr;
2848
2849 r_tsptr = tcg_temp_new_ptr();
2850 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
2851 tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
2852 offsetof(trap_state, tpc));
2853 tcg_temp_free_ptr(r_tsptr);
2854 }
2855 break;
2856 case 1: // tnpc
2857 {
2858 TCGv_ptr r_tsptr;
2859
2860 r_tsptr = tcg_temp_new_ptr();
2861 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
2862 tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
2863 offsetof(trap_state, tnpc));
2864 tcg_temp_free_ptr(r_tsptr);
2865 }
2866 break;
2867 case 2: // tstate
2868 {
2869 TCGv_ptr r_tsptr;
2870
2871 r_tsptr = tcg_temp_new_ptr();
2872 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
2873 tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
2874 offsetof(trap_state, tstate));
2875 tcg_temp_free_ptr(r_tsptr);
2876 }
2877 break;
2878 case 3: // tt
2879 {
2880 TCGv_ptr r_tsptr = tcg_temp_new_ptr();
2881
2882 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
2883 tcg_gen_ld32s_tl(cpu_tmp0, r_tsptr,
2884 offsetof(trap_state, tt));
2885 tcg_temp_free_ptr(r_tsptr);
2886 }
2887 break;
2888 case 4: // tick
2889 {
2890 TCGv_ptr r_tickptr;
2891
2892 r_tickptr = tcg_temp_new_ptr();
2893 tcg_gen_ld_ptr(r_tickptr, cpu_env,
2894 offsetof(CPUSPARCState, tick));
2895 gen_helper_tick_get_count(cpu_tmp0, r_tickptr);
2896 tcg_temp_free_ptr(r_tickptr);
2897 }
2898 break;
2899 case 5: // tba
2900 tcg_gen_mov_tl(cpu_tmp0, cpu_tbr);
2901 break;
2902 case 6: // pstate
2903 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
2904 offsetof(CPUSPARCState, pstate));
2905 break;
2906 case 7: // tl
2907 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
2908 offsetof(CPUSPARCState, tl));
2909 break;
2910 case 8: // pil
2911 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
2912 offsetof(CPUSPARCState, psrpil));
2913 break;
2914 case 9: // cwp
2915 gen_helper_rdcwp(cpu_tmp0, cpu_env);
2916 break;
2917 case 10: // cansave
2918 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
2919 offsetof(CPUSPARCState, cansave));
2920 break;
2921 case 11: // canrestore
2922 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
2923 offsetof(CPUSPARCState, canrestore));
2924 break;
2925 case 12: // cleanwin
2926 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
2927 offsetof(CPUSPARCState, cleanwin));
2928 break;
2929 case 13: // otherwin
2930 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
2931 offsetof(CPUSPARCState, otherwin));
2932 break;
2933 case 14: // wstate
2934 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
2935 offsetof(CPUSPARCState, wstate));
2936 break;
2937 case 16: // UA2005 gl
2938 CHECK_IU_FEATURE(dc, GL);
2939 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
2940 offsetof(CPUSPARCState, gl));
2941 break;
2942 case 26: // UA2005 strand status
2943 CHECK_IU_FEATURE(dc, HYPV);
2944 if (!hypervisor(dc))
2945 goto priv_insn;
2946 tcg_gen_mov_tl(cpu_tmp0, cpu_ssr);
2947 break;
2948 case 31: // ver
2949 tcg_gen_mov_tl(cpu_tmp0, cpu_ver);
2950 break;
2951 case 15: // fq
2952 default:
2953 goto illegal_insn;
2954 }
2955 #else
2956 tcg_gen_ext_i32_tl(cpu_tmp0, cpu_wim);
2957 #endif
2958 gen_store_gpr(dc, rd, cpu_tmp0);
2959 break;
2960 } else if (xop == 0x2b) { /* rdtbr / V9 flushw */
2961 #ifdef TARGET_SPARC64
2962 save_state(dc);
2963 gen_helper_flushw(cpu_env);
2964 #else
2965 if (!supervisor(dc))
2966 goto priv_insn;
2967 gen_store_gpr(dc, rd, cpu_tbr);
2968 #endif
2969 break;
2970 #endif
2971 } else if (xop == 0x34) { /* FPU Operations */
2972 if (gen_trap_ifnofpu(dc)) {
2973 goto jmp_insn;
2974 }
2975 gen_op_clear_ieee_excp_and_FTT();
2976 rs1 = GET_FIELD(insn, 13, 17);
2977 rs2 = GET_FIELD(insn, 27, 31);
2978 xop = GET_FIELD(insn, 18, 26);
2979 save_state(dc);
2980 switch (xop) {
2981 case 0x1: /* fmovs */
2982 cpu_src1_32 = gen_load_fpr_F(dc, rs2);
2983 gen_store_fpr_F(dc, rd, cpu_src1_32);
2984 break;
2985 case 0x5: /* fnegs */
2986 gen_ne_fop_FF(dc, rd, rs2, gen_helper_fnegs);
2987 break;
2988 case 0x9: /* fabss */
2989 gen_ne_fop_FF(dc, rd, rs2, gen_helper_fabss);
2990 break;
2991 case 0x29: /* fsqrts */
2992 CHECK_FPU_FEATURE(dc, FSQRT);
2993 gen_fop_FF(dc, rd, rs2, gen_helper_fsqrts);
2994 break;
2995 case 0x2a: /* fsqrtd */
2996 CHECK_FPU_FEATURE(dc, FSQRT);
2997 gen_fop_DD(dc, rd, rs2, gen_helper_fsqrtd);
2998 break;
2999 case 0x2b: /* fsqrtq */
3000 CHECK_FPU_FEATURE(dc, FLOAT128);
3001 gen_fop_QQ(dc, rd, rs2, gen_helper_fsqrtq);
3002 break;
3003 case 0x41: /* fadds */
3004 gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fadds);
3005 break;
3006 case 0x42: /* faddd */
3007 gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_faddd);
3008 break;
3009 case 0x43: /* faddq */
3010 CHECK_FPU_FEATURE(dc, FLOAT128);
3011 gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_faddq);
3012 break;
3013 case 0x45: /* fsubs */
3014 gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fsubs);
3015 break;
3016 case 0x46: /* fsubd */
3017 gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fsubd);
3018 break;
3019 case 0x47: /* fsubq */
3020 CHECK_FPU_FEATURE(dc, FLOAT128);
3021 gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fsubq);
3022 break;
3023 case 0x49: /* fmuls */
3024 CHECK_FPU_FEATURE(dc, FMUL);
3025 gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fmuls);
3026 break;
3027 case 0x4a: /* fmuld */
3028 CHECK_FPU_FEATURE(dc, FMUL);
3029 gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld);
3030 break;
3031 case 0x4b: /* fmulq */
3032 CHECK_FPU_FEATURE(dc, FLOAT128);
3033 CHECK_FPU_FEATURE(dc, FMUL);
3034 gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fmulq);
3035 break;
3036 case 0x4d: /* fdivs */
3037 gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fdivs);
3038 break;
3039 case 0x4e: /* fdivd */
3040 gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fdivd);
3041 break;
3042 case 0x4f: /* fdivq */
3043 CHECK_FPU_FEATURE(dc, FLOAT128);
3044 gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fdivq);
3045 break;
3046 case 0x69: /* fsmuld */
3047 CHECK_FPU_FEATURE(dc, FSMULD);
3048 gen_fop_DFF(dc, rd, rs1, rs2, gen_helper_fsmuld);
3049 break;
3050 case 0x6e: /* fdmulq */
3051 CHECK_FPU_FEATURE(dc, FLOAT128);
3052 gen_fop_QDD(dc, rd, rs1, rs2, gen_helper_fdmulq);
3053 break;
3054 case 0xc4: /* fitos */
3055 gen_fop_FF(dc, rd, rs2, gen_helper_fitos);
3056 break;
3057 case 0xc6: /* fdtos */
3058 gen_fop_FD(dc, rd, rs2, gen_helper_fdtos);
3059 break;
3060 case 0xc7: /* fqtos */
3061 CHECK_FPU_FEATURE(dc, FLOAT128);
3062 gen_fop_FQ(dc, rd, rs2, gen_helper_fqtos);
3063 break;
3064 case 0xc8: /* fitod */
3065 gen_ne_fop_DF(dc, rd, rs2, gen_helper_fitod);
3066 break;
3067 case 0xc9: /* fstod */
3068 gen_ne_fop_DF(dc, rd, rs2, gen_helper_fstod);
3069 break;
3070 case 0xcb: /* fqtod */
3071 CHECK_FPU_FEATURE(dc, FLOAT128);
3072 gen_fop_DQ(dc, rd, rs2, gen_helper_fqtod);
3073 break;
3074 case 0xcc: /* fitoq */
3075 CHECK_FPU_FEATURE(dc, FLOAT128);
3076 gen_ne_fop_QF(dc, rd, rs2, gen_helper_fitoq);
3077 break;
3078 case 0xcd: /* fstoq */
3079 CHECK_FPU_FEATURE(dc, FLOAT128);
3080 gen_ne_fop_QF(dc, rd, rs2, gen_helper_fstoq);
3081 break;
3082 case 0xce: /* fdtoq */
3083 CHECK_FPU_FEATURE(dc, FLOAT128);
3084 gen_ne_fop_QD(dc, rd, rs2, gen_helper_fdtoq);
3085 break;
3086 case 0xd1: /* fstoi */
3087 gen_fop_FF(dc, rd, rs2, gen_helper_fstoi);
3088 break;
3089 case 0xd2: /* fdtoi */
3090 gen_fop_FD(dc, rd, rs2, gen_helper_fdtoi);
3091 break;
3092 case 0xd3: /* fqtoi */
3093 CHECK_FPU_FEATURE(dc, FLOAT128);
3094 gen_fop_FQ(dc, rd, rs2, gen_helper_fqtoi);
3095 break;
3096 #ifdef TARGET_SPARC64
3097 case 0x2: /* V9 fmovd */
3098 cpu_src1_64 = gen_load_fpr_D(dc, rs2);
3099 gen_store_fpr_D(dc, rd, cpu_src1_64);
3100 break;
3101 case 0x3: /* V9 fmovq */
3102 CHECK_FPU_FEATURE(dc, FLOAT128);
3103 gen_move_Q(rd, rs2);
3104 break;
3105 case 0x6: /* V9 fnegd */
3106 gen_ne_fop_DD(dc, rd, rs2, gen_helper_fnegd);
3107 break;
3108 case 0x7: /* V9 fnegq */
3109 CHECK_FPU_FEATURE(dc, FLOAT128);
3110 gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fnegq);
3111 break;
3112 case 0xa: /* V9 fabsd */
3113 gen_ne_fop_DD(dc, rd, rs2, gen_helper_fabsd);
3114 break;
3115 case 0xb: /* V9 fabsq */
3116 CHECK_FPU_FEATURE(dc, FLOAT128);
3117 gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fabsq);
3118 break;
3119 case 0x81: /* V9 fstox */
3120 gen_fop_DF(dc, rd, rs2, gen_helper_fstox);
3121 break;
3122 case 0x82: /* V9 fdtox */
3123 gen_fop_DD(dc, rd, rs2, gen_helper_fdtox);
3124 break;
3125 case 0x83: /* V9 fqtox */
3126 CHECK_FPU_FEATURE(dc, FLOAT128);
3127 gen_fop_DQ(dc, rd, rs2, gen_helper_fqtox);
3128 break;
3129 case 0x84: /* V9 fxtos */
3130 gen_fop_FD(dc, rd, rs2, gen_helper_fxtos);
3131 break;
3132 case 0x88: /* V9 fxtod */
3133 gen_fop_DD(dc, rd, rs2, gen_helper_fxtod);
3134 break;
3135 case 0x8c: /* V9 fxtoq */
3136 CHECK_FPU_FEATURE(dc, FLOAT128);
3137 gen_ne_fop_QD(dc, rd, rs2, gen_helper_fxtoq);
3138 break;
3139 #endif
3140 default:
3141 goto illegal_insn;
3142 }
3143 } else if (xop == 0x35) { /* FPU Operations */
3144 #ifdef TARGET_SPARC64
3145 int cond;
3146 #endif
3147 if (gen_trap_ifnofpu(dc)) {
3148 goto jmp_insn;
3149 }
3150 gen_op_clear_ieee_excp_and_FTT();
3151 rs1 = GET_FIELD(insn, 13, 17);
3152 rs2 = GET_FIELD(insn, 27, 31);
3153 xop = GET_FIELD(insn, 18, 26);
3154 save_state(dc);
3155
3156 #ifdef TARGET_SPARC64
3157 #define FMOVR(sz) \
3158 do { \
3159 DisasCompare cmp; \
3160 cond = GET_FIELD_SP(insn, 10, 12); \
3161 cpu_src1 = get_src1(dc, insn); \
3162 gen_compare_reg(&cmp, cond, cpu_src1); \
3163 gen_fmov##sz(dc, &cmp, rd, rs2); \
3164 free_compare(&cmp); \
3165 } while (0)
3166
3167 if ((xop & 0x11f) == 0x005) { /* V9 fmovsr */
3168 FMOVR(s);
3169 break;
3170 } else if ((xop & 0x11f) == 0x006) { // V9 fmovdr
3171 FMOVR(d);
3172 break;
3173 } else if ((xop & 0x11f) == 0x007) { // V9 fmovqr
3174 CHECK_FPU_FEATURE(dc, FLOAT128);
3175 FMOVR(q);
3176 break;
3177 }
3178 #undef FMOVR
3179 #endif
3180 switch (xop) {
3181 #ifdef TARGET_SPARC64
3182 #define FMOVCC(fcc, sz) \
3183 do { \
3184 DisasCompare cmp; \
3185 cond = GET_FIELD_SP(insn, 14, 17); \
3186 gen_fcompare(&cmp, fcc, cond); \
3187 gen_fmov##sz(dc, &cmp, rd, rs2); \
3188 free_compare(&cmp); \
3189 } while (0)
3190
3191 case 0x001: /* V9 fmovscc %fcc0 */
3192 FMOVCC(0, s);
3193 break;
3194 case 0x002: /* V9 fmovdcc %fcc0 */
3195 FMOVCC(0, d);
3196 break;
3197 case 0x003: /* V9 fmovqcc %fcc0 */
3198 CHECK_FPU_FEATURE(dc, FLOAT128);
3199 FMOVCC(0, q);
3200 break;
3201 case 0x041: /* V9 fmovscc %fcc1 */
3202 FMOVCC(1, s);
3203 break;
3204 case 0x042: /* V9 fmovdcc %fcc1 */
3205 FMOVCC(1, d);
3206 break;
3207 case 0x043: /* V9 fmovqcc %fcc1 */
3208 CHECK_FPU_FEATURE(dc, FLOAT128);
3209 FMOVCC(1, q);
3210 break;
3211 case 0x081: /* V9 fmovscc %fcc2 */
3212 FMOVCC(2, s);
3213 break;
3214 case 0x082: /* V9 fmovdcc %fcc2 */
3215 FMOVCC(2, d);
3216 break;
3217 case 0x083: /* V9 fmovqcc %fcc2 */
3218 CHECK_FPU_FEATURE(dc, FLOAT128);
3219 FMOVCC(2, q);
3220 break;
3221 case 0x0c1: /* V9 fmovscc %fcc3 */
3222 FMOVCC(3, s);
3223 break;
3224 case 0x0c2: /* V9 fmovdcc %fcc3 */
3225 FMOVCC(3, d);
3226 break;
3227 case 0x0c3: /* V9 fmovqcc %fcc3 */
3228 CHECK_FPU_FEATURE(dc, FLOAT128);
3229 FMOVCC(3, q);
3230 break;
3231 #undef FMOVCC
3232 #define FMOVCC(xcc, sz) \
3233 do { \
3234 DisasCompare cmp; \
3235 cond = GET_FIELD_SP(insn, 14, 17); \
3236 gen_compare(&cmp, xcc, cond, dc); \
3237 gen_fmov##sz(dc, &cmp, rd, rs2); \
3238 free_compare(&cmp); \
3239 } while (0)
3240
3241 case 0x101: /* V9 fmovscc %icc */
3242 FMOVCC(0, s);
3243 break;
3244 case 0x102: /* V9 fmovdcc %icc */
3245 FMOVCC(0, d);
3246 break;
3247 case 0x103: /* V9 fmovqcc %icc */
3248 CHECK_FPU_FEATURE(dc, FLOAT128);
3249 FMOVCC(0, q);
3250 break;
3251 case 0x181: /* V9 fmovscc %xcc */
3252 FMOVCC(1, s);
3253 break;
3254 case 0x182: /* V9 fmovdcc %xcc */
3255 FMOVCC(1, d);
3256 break;
3257 case 0x183: /* V9 fmovqcc %xcc */
3258 CHECK_FPU_FEATURE(dc, FLOAT128);
3259 FMOVCC(1, q);
3260 break;
3261 #undef FMOVCC
3262 #endif
3263 case 0x51: /* fcmps, V9 %fcc */
3264 cpu_src1_32 = gen_load_fpr_F(dc, rs1);
3265 cpu_src2_32 = gen_load_fpr_F(dc, rs2);
3266 gen_op_fcmps(rd & 3, cpu_src1_32, cpu_src2_32);
3267 break;
3268 case 0x52: /* fcmpd, V9 %fcc */
3269 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
3270 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
3271 gen_op_fcmpd(rd & 3, cpu_src1_64, cpu_src2_64);
3272 break;
3273 case 0x53: /* fcmpq, V9 %fcc */
3274 CHECK_FPU_FEATURE(dc, FLOAT128);
3275 gen_op_load_fpr_QT0(QFPREG(rs1));
3276 gen_op_load_fpr_QT1(QFPREG(rs2));
3277 gen_op_fcmpq(rd & 3);
3278 break;
3279 case 0x55: /* fcmpes, V9 %fcc */
3280 cpu_src1_32 = gen_load_fpr_F(dc, rs1);
3281 cpu_src2_32 = gen_load_fpr_F(dc, rs2);
3282 gen_op_fcmpes(rd & 3, cpu_src1_32, cpu_src2_32);
3283 break;
3284 case 0x56: /* fcmped, V9 %fcc */
3285 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
3286 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
3287 gen_op_fcmped(rd & 3, cpu_src1_64, cpu_src2_64);
3288 break;
3289 case 0x57: /* fcmpeq, V9 %fcc */
3290 CHECK_FPU_FEATURE(dc, FLOAT128);
3291 gen_op_load_fpr_QT0(QFPREG(rs1));
3292 gen_op_load_fpr_QT1(QFPREG(rs2));
3293 gen_op_fcmpeq(rd & 3);
3294 break;
3295 default:
3296 goto illegal_insn;
3297 }
3298 } else if (xop == 0x2) {
3299 TCGv dst = gen_dest_gpr(dc, rd);
3300 rs1 = GET_FIELD(insn, 13, 17);
3301 if (rs1 == 0) {
3302 /* clr/mov shortcut : or %g0, x, y -> mov x, y */
3303 if (IS_IMM) { /* immediate */
3304 simm = GET_FIELDs(insn, 19, 31);
3305 tcg_gen_movi_tl(dst, simm);
3306 gen_store_gpr(dc, rd, dst);
3307 } else { /* register */
3308 rs2 = GET_FIELD(insn, 27, 31);
3309 if (rs2 == 0) {
3310 tcg_gen_movi_tl(dst, 0);
3311 gen_store_gpr(dc, rd, dst);
3312 } else {
3313 cpu_src2 = gen_load_gpr(dc, rs2);
3314 gen_store_gpr(dc, rd, cpu_src2);
3315 }
3316 }
3317 } else {
3318 cpu_src1 = get_src1(dc, insn);
3319 if (IS_IMM) { /* immediate */
3320 simm = GET_FIELDs(insn, 19, 31);
3321 tcg_gen_ori_tl(dst, cpu_src1, simm);
3322 gen_store_gpr(dc, rd, dst);
3323 } else { /* register */
3324 rs2 = GET_FIELD(insn, 27, 31);
3325 if (rs2 == 0) {
3326 /* mov shortcut: or x, %g0, y -> mov x, y */
3327 gen_store_gpr(dc, rd, cpu_src1);
3328 } else {
3329 cpu_src2 = gen_load_gpr(dc, rs2);
3330 tcg_gen_or_tl(dst, cpu_src1, cpu_src2);
3331 gen_store_gpr(dc, rd, dst);
3332 }
3333 }
3334 }
3335 #ifdef TARGET_SPARC64
3336 } else if (xop == 0x25) { /* sll, V9 sllx */
3337 cpu_src1 = get_src1(dc, insn);
3338 if (IS_IMM) { /* immediate */
3339 simm = GET_FIELDs(insn, 20, 31);
3340 if (insn & (1 << 12)) {
3341 tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x3f);
3342 } else {
3343 tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x1f);
3344 }
3345 } else { /* register */
3346 rs2 = GET_FIELD(insn, 27, 31);
3347 cpu_src2 = gen_load_gpr(dc, rs2);
3348 cpu_tmp0 = get_temp_tl(dc);
3349 if (insn & (1 << 12)) {
3350 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
3351 } else {
3352 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
3353 }
3354 tcg_gen_shl_i64(cpu_dst, cpu_src1, cpu_tmp0);
3355 }
3356 gen_store_gpr(dc, rd, cpu_dst);
3357 } else if (xop == 0x26) { /* srl, V9 srlx */
3358 cpu_src1 = get_src1(dc, insn);
3359 if (IS_IMM) { /* immediate */
3360 simm = GET_FIELDs(insn, 20, 31);
3361 if (insn & (1 << 12)) {
3362 tcg_gen_shri_i64(cpu_dst, cpu_src1, simm & 0x3f);
3363 } else {
3364 tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
3365 tcg_gen_shri_i64(cpu_dst, cpu_dst, simm & 0x1f);
3366 }
3367 } else { /* register */
3368 rs2 = GET_FIELD(insn, 27, 31);
3369 cpu_src2 = gen_load_gpr(dc, rs2);
3370 cpu_tmp0 = get_temp_tl(dc);
3371 if (insn & (1 << 12)) {
3372 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
3373 tcg_gen_shr_i64(cpu_dst, cpu_src1, cpu_tmp0);
3374 } else {
3375 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
3376 tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
3377 tcg_gen_shr_i64(cpu_dst, cpu_dst, cpu_tmp0);
3378 }
3379 }
3380 gen_store_gpr(dc, rd, cpu_dst);
3381 } else if (xop == 0x27) { /* sra, V9 srax */
3382 cpu_src1 = get_src1(dc, insn);
3383 if (IS_IMM) { /* immediate */
3384 simm = GET_FIELDs(insn, 20, 31);
3385 if (insn & (1 << 12)) {
3386 tcg_gen_sari_i64(cpu_dst, cpu_src1, simm & 0x3f);
3387 } else {
3388 tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
3389 tcg_gen_sari_i64(cpu_dst, cpu_dst, simm & 0x1f);
3390 }
3391 } else { /* register */
3392 rs2 = GET_FIELD(insn, 27, 31);
3393 cpu_src2 = gen_load_gpr(dc, rs2);
3394 cpu_tmp0 = get_temp_tl(dc);
3395 if (insn & (1 << 12)) {
3396 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
3397 tcg_gen_sar_i64(cpu_dst, cpu_src1, cpu_tmp0);
3398 } else {
3399 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
3400 tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
3401 tcg_gen_sar_i64(cpu_dst, cpu_dst, cpu_tmp0);
3402 }
3403 }
3404 gen_store_gpr(dc, rd, cpu_dst);
3405 #endif
3406 } else if (xop < 0x36) {
3407 if (xop < 0x20) {
3408 cpu_src1 = get_src1(dc, insn);
3409 cpu_src2 = get_src2(dc, insn);
3410 switch (xop & ~0x10) {
3411 case 0x0: /* add */
3412 if (xop & 0x10) {
3413 gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
3414 tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
3415 dc->cc_op = CC_OP_ADD;
3416 } else {
3417 tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
3418 }
3419 break;
3420 case 0x1: /* and */
3421 tcg_gen_and_tl(cpu_dst, cpu_src1, cpu_src2);
3422 if (xop & 0x10) {
3423 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
3424 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
3425 dc->cc_op = CC_OP_LOGIC;
3426 }
3427 break;
3428 case 0x2: /* or */
3429 tcg_gen_or_tl(cpu_dst, cpu_src1, cpu_src2);
3430 if (xop & 0x10) {
3431 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
3432 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
3433 dc->cc_op = CC_OP_LOGIC;
3434 }
3435 break;
3436 case 0x3: /* xor */
3437 tcg_gen_xor_tl(cpu_dst, cpu_src1, cpu_src2);
3438 if (xop & 0x10) {
3439 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
3440 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
3441 dc->cc_op = CC_OP_LOGIC;
3442 }
3443 break;
3444 case 0x4: /* sub */
3445 if (xop & 0x10) {
3446 gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
3447 tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
3448 dc->cc_op = CC_OP_SUB;
3449 } else {
3450 tcg_gen_sub_tl(cpu_dst, cpu_src1, cpu_src2);
3451 }
3452 break;
3453 case 0x5: /* andn */
3454 tcg_gen_andc_tl(cpu_dst, cpu_src1, cpu_src2);
3455 if (xop & 0x10) {
3456 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
3457 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
3458 dc->cc_op = CC_OP_LOGIC;
3459 }
3460 break;
3461 case 0x6: /* orn */
3462 tcg_gen_orc_tl(cpu_dst, cpu_src1, cpu_src2);
3463 if (xop & 0x10) {
3464 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
3465 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
3466 dc->cc_op = CC_OP_LOGIC;
3467 }
3468 break;
3469 case 0x7: /* xorn */
3470 tcg_gen_eqv_tl(cpu_dst, cpu_src1, cpu_src2);
3471 if (xop & 0x10) {
3472 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
3473 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
3474 dc->cc_op = CC_OP_LOGIC;
3475 }
3476 break;
3477 case 0x8: /* addx, V9 addc */
3478 gen_op_addx_int(dc, cpu_dst, cpu_src1, cpu_src2,
3479 (xop & 0x10));
3480 break;
3481 #ifdef TARGET_SPARC64
3482 case 0x9: /* V9 mulx */
3483 tcg_gen_mul_i64(cpu_dst, cpu_src1, cpu_src2);
3484 break;
3485 #endif
3486 case 0xa: /* umul */
3487 CHECK_IU_FEATURE(dc, MUL);
3488 gen_op_umul(cpu_dst, cpu_src1, cpu_src2);
3489 if (xop & 0x10) {
3490 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
3491 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
3492 dc->cc_op = CC_OP_LOGIC;
3493 }
3494 break;
3495 case 0xb: /* smul */
3496 CHECK_IU_FEATURE(dc, MUL);
3497 gen_op_smul(cpu_dst, cpu_src1, cpu_src2);
3498 if (xop & 0x10) {
3499 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
3500 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
3501 dc->cc_op = CC_OP_LOGIC;
3502 }
3503 break;
3504 case 0xc: /* subx, V9 subc */
3505 gen_op_subx_int(dc, cpu_dst, cpu_src1, cpu_src2,
3506 (xop & 0x10));
3507 break;
3508 #ifdef TARGET_SPARC64
3509 case 0xd: /* V9 udivx */
3510 gen_helper_udivx(cpu_dst, cpu_env, cpu_src1, cpu_src2);
3511 break;
3512 #endif
3513 case 0xe: /* udiv */
3514 CHECK_IU_FEATURE(dc, DIV);
3515 if (xop & 0x10) {
3516 gen_helper_udiv_cc(cpu_dst, cpu_env, cpu_src1,
3517 cpu_src2);
3518 dc->cc_op = CC_OP_DIV;
3519 } else {
3520 gen_helper_udiv(cpu_dst, cpu_env, cpu_src1,
3521 cpu_src2);
3522 }
3523 break;
3524 case 0xf: /* sdiv */
3525 CHECK_IU_FEATURE(dc, DIV);
3526 if (xop & 0x10) {
3527 gen_helper_sdiv_cc(cpu_dst, cpu_env, cpu_src1,
3528 cpu_src2);
3529 dc->cc_op = CC_OP_DIV;
3530 } else {
3531 gen_helper_sdiv(cpu_dst, cpu_env, cpu_src1,
3532 cpu_src2);
3533 }
3534 break;
3535 default:
3536 goto illegal_insn;
3537 }
3538 gen_store_gpr(dc, rd, cpu_dst);
3539 } else {
3540 cpu_src1 = get_src1(dc, insn);
3541 cpu_src2 = get_src2(dc, insn);
3542 switch (xop) {
3543 case 0x20: /* taddcc */
3544 gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
3545 gen_store_gpr(dc, rd, cpu_dst);
3546 tcg_gen_movi_i32(cpu_cc_op, CC_OP_TADD);
3547 dc->cc_op = CC_OP_TADD;
3548 break;
3549 case 0x21: /* tsubcc */
3550 gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
3551 gen_store_gpr(dc, rd, cpu_dst);
3552 tcg_gen_movi_i32(cpu_cc_op, CC_OP_TSUB);
3553 dc->cc_op = CC_OP_TSUB;
3554 break;
3555 case 0x22: /* taddcctv */
3556 gen_helper_taddcctv(cpu_dst, cpu_env,
3557 cpu_src1, cpu_src2);
3558 gen_store_gpr(dc, rd, cpu_dst);
3559 dc->cc_op = CC_OP_TADDTV;
3560 break;