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target/arm/arm-semi: Correct comment about gdb syscall races
[qemu/ar7.git] / target / sparc / translate.c
blobc68bf4a2e41349cf79b38eb867bb5f4658830c83
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 "qemu/osdep.h"
22
23 #include "cpu.h"
24 #include "disas/disas.h"
25 #include "exec/helper-proto.h"
26 #include "exec/exec-all.h"
27 #include "tcg-op.h"
28 #include "exec/cpu_ldst.h"
29
30 #include "exec/helper-gen.h"
31
32 #include "trace-tcg.h"
33 #include "exec/translator.h"
34 #include "exec/log.h"
35 #include "asi.h"
36
37
38 #define DEBUG_DISAS
39
40 #define DYNAMIC_PC 1 /* dynamic pc value */
41 #define JUMP_PC 2 /* dynamic pc value which takes only two values
42 according to jump_pc[T2] */
43
44 #define DISAS_EXIT DISAS_TARGET_0
45
46 /* global register indexes */
47 static TCGv_ptr cpu_regwptr;
48 static TCGv cpu_cc_src, cpu_cc_src2, cpu_cc_dst;
49 static TCGv_i32 cpu_cc_op;
50 static TCGv_i32 cpu_psr;
51 static TCGv cpu_fsr, cpu_pc, cpu_npc;
52 static TCGv cpu_regs[32];
53 static TCGv cpu_y;
54 #ifndef CONFIG_USER_ONLY
55 static TCGv cpu_tbr;
56 #endif
57 static TCGv cpu_cond;
58 #ifdef TARGET_SPARC64
59 static TCGv_i32 cpu_xcc, cpu_fprs;
60 static TCGv cpu_gsr;
61 static TCGv cpu_tick_cmpr, cpu_stick_cmpr, cpu_hstick_cmpr;
62 static TCGv cpu_hintp, cpu_htba, cpu_hver, cpu_ssr, cpu_ver;
63 #else
64 static TCGv cpu_wim;
65 #endif
66 /* Floating point registers */
67 static TCGv_i64 cpu_fpr[TARGET_DPREGS];
68
69 #include "exec/gen-icount.h"
70
71 typedef struct DisasContext {
72 DisasContextBase base;
73 target_ulong pc; /* current Program Counter: integer or DYNAMIC_PC */
74 target_ulong npc; /* next PC: integer or DYNAMIC_PC or JUMP_PC */
75 target_ulong jump_pc[2]; /* used when JUMP_PC pc value is used */
76 int mem_idx;
77 bool fpu_enabled;
78 bool address_mask_32bit;
79 #ifndef CONFIG_USER_ONLY
80 bool supervisor;
81 #ifdef TARGET_SPARC64
82 bool hypervisor;
83 #endif
84 #endif
85
86 uint32_t cc_op; /* current CC operation */
87 sparc_def_t *def;
88 TCGv_i32 t32[3];
89 TCGv ttl[5];
90 int n_t32;
91 int n_ttl;
92 #ifdef TARGET_SPARC64
93 int fprs_dirty;
94 int asi;
95 #endif
96 } DisasContext;
97
98 typedef struct {
99 TCGCond cond;
100 bool is_bool;
101 bool g1, g2;
102 TCGv c1, c2;
103 } DisasCompare;
104
105 // This function uses non-native bit order
106 #define GET_FIELD(X, FROM, TO) \
107 ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
108
109 // This function uses the order in the manuals, i.e. bit 0 is 2^0
110 #define GET_FIELD_SP(X, FROM, TO) \
111 GET_FIELD(X, 31 - (TO), 31 - (FROM))
112
113 #define GET_FIELDs(x,a,b) sign_extend (GET_FIELD(x,a,b), (b) - (a) + 1)
114 #define GET_FIELD_SPs(x,a,b) sign_extend (GET_FIELD_SP(x,a,b), ((b) - (a) + 1))
115
116 #ifdef TARGET_SPARC64
117 #define DFPREG(r) (((r & 1) << 5) | (r & 0x1e))
118 #define QFPREG(r) (((r & 1) << 5) | (r & 0x1c))
119 #else
120 #define DFPREG(r) (r & 0x1e)
121 #define QFPREG(r) (r & 0x1c)
122 #endif
123
124 #define UA2005_HTRAP_MASK 0xff
125 #define V8_TRAP_MASK 0x7f
126
127 static int sign_extend(int x, int len)
128 {
129 len = 32 - len;
130 return (x << len) >> len;
131 }
132
133 #define IS_IMM (insn & (1<<13))
134
135 static inline TCGv_i32 get_temp_i32(DisasContext *dc)
136 {
137 TCGv_i32 t;
138 assert(dc->n_t32 < ARRAY_SIZE(dc->t32));
139 dc->t32[dc->n_t32++] = t = tcg_temp_new_i32();
140 return t;
141 }
142
143 static inline TCGv get_temp_tl(DisasContext *dc)
144 {
145 TCGv t;
146 assert(dc->n_ttl < ARRAY_SIZE(dc->ttl));
147 dc->ttl[dc->n_ttl++] = t = tcg_temp_new();
148 return t;
149 }
150
151 static inline void gen_update_fprs_dirty(DisasContext *dc, int rd)
152 {
153 #if defined(TARGET_SPARC64)
154 int bit = (rd < 32) ? 1 : 2;
155 /* If we know we've already set this bit within the TB,
156 we can avoid setting it again. */
157 if (!(dc->fprs_dirty & bit)) {
158 dc->fprs_dirty |= bit;
159 tcg_gen_ori_i32(cpu_fprs, cpu_fprs, bit);
160 }
161 #endif
162 }
163
164 /* floating point registers moves */
165 static TCGv_i32 gen_load_fpr_F(DisasContext *dc, unsigned int src)
166 {
167 #if TCG_TARGET_REG_BITS == 32
168 if (src & 1) {
169 return TCGV_LOW(cpu_fpr[src / 2]);
170 } else {
171 return TCGV_HIGH(cpu_fpr[src / 2]);
172 }
173 #else
174 TCGv_i32 ret = get_temp_i32(dc);
175 if (src & 1) {
176 tcg_gen_extrl_i64_i32(ret, cpu_fpr[src / 2]);
177 } else {
178 tcg_gen_extrh_i64_i32(ret, cpu_fpr[src / 2]);
179 }
180 return ret;
181 #endif
182 }
183
184 static void gen_store_fpr_F(DisasContext *dc, unsigned int dst, TCGv_i32 v)
185 {
186 #if TCG_TARGET_REG_BITS == 32
187 if (dst & 1) {
188 tcg_gen_mov_i32(TCGV_LOW(cpu_fpr[dst / 2]), v);
189 } else {
190 tcg_gen_mov_i32(TCGV_HIGH(cpu_fpr[dst / 2]), v);
191 }
192 #else
193 TCGv_i64 t = (TCGv_i64)v;
194 tcg_gen_deposit_i64(cpu_fpr[dst / 2], cpu_fpr[dst / 2], t,
195 (dst & 1 ? 0 : 32), 32);
196 #endif
197 gen_update_fprs_dirty(dc, dst);
198 }
199
200 static TCGv_i32 gen_dest_fpr_F(DisasContext *dc)
201 {
202 return get_temp_i32(dc);
203 }
204
205 static TCGv_i64 gen_load_fpr_D(DisasContext *dc, unsigned int src)
206 {
207 src = DFPREG(src);
208 return cpu_fpr[src / 2];
209 }
210
211 static void gen_store_fpr_D(DisasContext *dc, unsigned int dst, TCGv_i64 v)
212 {
213 dst = DFPREG(dst);
214 tcg_gen_mov_i64(cpu_fpr[dst / 2], v);
215 gen_update_fprs_dirty(dc, dst);
216 }
217
218 static TCGv_i64 gen_dest_fpr_D(DisasContext *dc, unsigned int dst)
219 {
220 return cpu_fpr[DFPREG(dst) / 2];
221 }
222
223 static void gen_op_load_fpr_QT0(unsigned int src)
224 {
225 tcg_gen_st_i64(cpu_fpr[src / 2], cpu_env, offsetof(CPUSPARCState, qt0) +
226 offsetof(CPU_QuadU, ll.upper));
227 tcg_gen_st_i64(cpu_fpr[src/2 + 1], cpu_env, offsetof(CPUSPARCState, qt0) +
228 offsetof(CPU_QuadU, ll.lower));
229 }
230
231 static void gen_op_load_fpr_QT1(unsigned int src)
232 {
233 tcg_gen_st_i64(cpu_fpr[src / 2], cpu_env, offsetof(CPUSPARCState, qt1) +
234 offsetof(CPU_QuadU, ll.upper));
235 tcg_gen_st_i64(cpu_fpr[src/2 + 1], cpu_env, offsetof(CPUSPARCState, qt1) +
236 offsetof(CPU_QuadU, ll.lower));
237 }
238
239 static void gen_op_store_QT0_fpr(unsigned int dst)
240 {
241 tcg_gen_ld_i64(cpu_fpr[dst / 2], cpu_env, offsetof(CPUSPARCState, qt0) +
242 offsetof(CPU_QuadU, ll.upper));
243 tcg_gen_ld_i64(cpu_fpr[dst/2 + 1], cpu_env, offsetof(CPUSPARCState, qt0) +
244 offsetof(CPU_QuadU, ll.lower));
245 }
246
247 static void gen_store_fpr_Q(DisasContext *dc, unsigned int dst,
248 TCGv_i64 v1, TCGv_i64 v2)
249 {
250 dst = QFPREG(dst);
251
252 tcg_gen_mov_i64(cpu_fpr[dst / 2], v1);
253 tcg_gen_mov_i64(cpu_fpr[dst / 2 + 1], v2);
254 gen_update_fprs_dirty(dc, dst);
255 }
256
257 #ifdef TARGET_SPARC64
258 static TCGv_i64 gen_load_fpr_Q0(DisasContext *dc, unsigned int src)
259 {
260 src = QFPREG(src);
261 return cpu_fpr[src / 2];
262 }
263
264 static TCGv_i64 gen_load_fpr_Q1(DisasContext *dc, unsigned int src)
265 {
266 src = QFPREG(src);
267 return cpu_fpr[src / 2 + 1];
268 }
269
270 static void gen_move_Q(DisasContext *dc, unsigned int rd, unsigned int rs)
271 {
272 rd = QFPREG(rd);
273 rs = QFPREG(rs);
274
275 tcg_gen_mov_i64(cpu_fpr[rd / 2], cpu_fpr[rs / 2]);
276 tcg_gen_mov_i64(cpu_fpr[rd / 2 + 1], cpu_fpr[rs / 2 + 1]);
277 gen_update_fprs_dirty(dc, rd);
278 }
279 #endif
280
281 /* moves */
282 #ifdef CONFIG_USER_ONLY
283 #define supervisor(dc) 0
284 #ifdef TARGET_SPARC64
285 #define hypervisor(dc) 0
286 #endif
287 #else
288 #ifdef TARGET_SPARC64
289 #define hypervisor(dc) (dc->hypervisor)
290 #define supervisor(dc) (dc->supervisor | dc->hypervisor)
291 #else
292 #define supervisor(dc) (dc->supervisor)
293 #endif
294 #endif
295
296 #ifdef TARGET_SPARC64
297 #ifndef TARGET_ABI32
298 #define AM_CHECK(dc) ((dc)->address_mask_32bit)
299 #else
300 #define AM_CHECK(dc) (1)
301 #endif
302 #endif
303
304 static inline void gen_address_mask(DisasContext *dc, TCGv addr)
305 {
306 #ifdef TARGET_SPARC64
307 if (AM_CHECK(dc))
308 tcg_gen_andi_tl(addr, addr, 0xffffffffULL);
309 #endif
310 }
311
312 static inline TCGv gen_load_gpr(DisasContext *dc, int reg)
313 {
314 if (reg > 0) {
315 assert(reg < 32);
316 return cpu_regs[reg];
317 } else {
318 TCGv t = get_temp_tl(dc);
319 tcg_gen_movi_tl(t, 0);
320 return t;
321 }
322 }
323
324 static inline void gen_store_gpr(DisasContext *dc, int reg, TCGv v)
325 {
326 if (reg > 0) {
327 assert(reg < 32);
328 tcg_gen_mov_tl(cpu_regs[reg], v);
329 }
330 }
331
332 static inline TCGv gen_dest_gpr(DisasContext *dc, int reg)
333 {
334 if (reg > 0) {
335 assert(reg < 32);
336 return cpu_regs[reg];
337 } else {
338 return get_temp_tl(dc);
339 }
340 }
341
342 static inline bool use_goto_tb(DisasContext *s, target_ulong pc,
343 target_ulong npc)
344 {
345 if (unlikely(s->base.singlestep_enabled || singlestep)) {
346 return false;
347 }
348
349 #ifndef CONFIG_USER_ONLY
350 return (pc & TARGET_PAGE_MASK) == (s->base.tb->pc & TARGET_PAGE_MASK) &&
351 (npc & TARGET_PAGE_MASK) == (s->base.tb->pc & TARGET_PAGE_MASK);
352 #else
353 return true;
354 #endif
355 }
356
357 static inline void gen_goto_tb(DisasContext *s, int tb_num,
358 target_ulong pc, target_ulong npc)
359 {
360 if (use_goto_tb(s, pc, npc)) {
361 /* jump to same page: we can use a direct jump */
362 tcg_gen_goto_tb(tb_num);
363 tcg_gen_movi_tl(cpu_pc, pc);
364 tcg_gen_movi_tl(cpu_npc, npc);
365 tcg_gen_exit_tb(s->base.tb, tb_num);
366 } else {
367 /* jump to another page: currently not optimized */
368 tcg_gen_movi_tl(cpu_pc, pc);
369 tcg_gen_movi_tl(cpu_npc, npc);
370 tcg_gen_exit_tb(NULL, 0);
371 }
372 }
373
374 // XXX suboptimal
375 static inline void gen_mov_reg_N(TCGv reg, TCGv_i32 src)
376 {
377 tcg_gen_extu_i32_tl(reg, src);
378 tcg_gen_extract_tl(reg, reg, PSR_NEG_SHIFT, 1);
379 }
380
381 static inline void gen_mov_reg_Z(TCGv reg, TCGv_i32 src)
382 {
383 tcg_gen_extu_i32_tl(reg, src);
384 tcg_gen_extract_tl(reg, reg, PSR_ZERO_SHIFT, 1);
385 }
386
387 static inline void gen_mov_reg_V(TCGv reg, TCGv_i32 src)
388 {
389 tcg_gen_extu_i32_tl(reg, src);
390 tcg_gen_extract_tl(reg, reg, PSR_OVF_SHIFT, 1);
391 }
392
393 static inline void gen_mov_reg_C(TCGv reg, TCGv_i32 src)
394 {
395 tcg_gen_extu_i32_tl(reg, src);
396 tcg_gen_extract_tl(reg, reg, PSR_CARRY_SHIFT, 1);
397 }
398
399 static inline void gen_op_add_cc(TCGv dst, TCGv src1, TCGv src2)
400 {
401 tcg_gen_mov_tl(cpu_cc_src, src1);
402 tcg_gen_mov_tl(cpu_cc_src2, src2);
403 tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
404 tcg_gen_mov_tl(dst, cpu_cc_dst);
405 }
406
407 static TCGv_i32 gen_add32_carry32(void)
408 {
409 TCGv_i32 carry_32, cc_src1_32, cc_src2_32;
410
411 /* Carry is computed from a previous add: (dst < src) */
412 #if TARGET_LONG_BITS == 64
413 cc_src1_32 = tcg_temp_new_i32();
414 cc_src2_32 = tcg_temp_new_i32();
415 tcg_gen_extrl_i64_i32(cc_src1_32, cpu_cc_dst);
416 tcg_gen_extrl_i64_i32(cc_src2_32, cpu_cc_src);
417 #else
418 cc_src1_32 = cpu_cc_dst;
419 cc_src2_32 = cpu_cc_src;
420 #endif
421
422 carry_32 = tcg_temp_new_i32();
423 tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);
424
425 #if TARGET_LONG_BITS == 64
426 tcg_temp_free_i32(cc_src1_32);
427 tcg_temp_free_i32(cc_src2_32);
428 #endif
429
430 return carry_32;
431 }
432
433 static TCGv_i32 gen_sub32_carry32(void)
434 {
435 TCGv_i32 carry_32, cc_src1_32, cc_src2_32;
436
437 /* Carry is computed from a previous borrow: (src1 < src2) */
438 #if TARGET_LONG_BITS == 64
439 cc_src1_32 = tcg_temp_new_i32();
440 cc_src2_32 = tcg_temp_new_i32();
441 tcg_gen_extrl_i64_i32(cc_src1_32, cpu_cc_src);
442 tcg_gen_extrl_i64_i32(cc_src2_32, cpu_cc_src2);
443 #else
444 cc_src1_32 = cpu_cc_src;
445 cc_src2_32 = cpu_cc_src2;
446 #endif
447
448 carry_32 = tcg_temp_new_i32();
449 tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);
450
451 #if TARGET_LONG_BITS == 64
452 tcg_temp_free_i32(cc_src1_32);
453 tcg_temp_free_i32(cc_src2_32);
454 #endif
455
456 return carry_32;
457 }
458
459 static void gen_op_addx_int(DisasContext *dc, TCGv dst, TCGv src1,
460 TCGv src2, int update_cc)
461 {
462 TCGv_i32 carry_32;
463 TCGv carry;
464
465 switch (dc->cc_op) {
466 case CC_OP_DIV:
467 case CC_OP_LOGIC:
468 /* Carry is known to be zero. Fall back to plain ADD. */
469 if (update_cc) {
470 gen_op_add_cc(dst, src1, src2);
471 } else {
472 tcg_gen_add_tl(dst, src1, src2);
473 }
474 return;
475
476 case CC_OP_ADD:
477 case CC_OP_TADD:
478 case CC_OP_TADDTV:
479 if (TARGET_LONG_BITS == 32) {
480 /* We can re-use the host's hardware carry generation by using
481 an ADD2 opcode. We discard the low part of the output.
482 Ideally we'd combine this operation with the add that
483 generated the carry in the first place. */
484 carry = tcg_temp_new();
485 tcg_gen_add2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
486 tcg_temp_free(carry);
487 goto add_done;
488 }
489 carry_32 = gen_add32_carry32();
490 break;
491
492 case CC_OP_SUB:
493 case CC_OP_TSUB:
494 case CC_OP_TSUBTV:
495 carry_32 = gen_sub32_carry32();
496 break;
497
498 default:
499 /* We need external help to produce the carry. */
500 carry_32 = tcg_temp_new_i32();
501 gen_helper_compute_C_icc(carry_32, cpu_env);
502 break;
503 }
504
505 #if TARGET_LONG_BITS == 64
506 carry = tcg_temp_new();
507 tcg_gen_extu_i32_i64(carry, carry_32);
508 #else
509 carry = carry_32;
510 #endif
511
512 tcg_gen_add_tl(dst, src1, src2);
513 tcg_gen_add_tl(dst, dst, carry);
514
515 tcg_temp_free_i32(carry_32);
516 #if TARGET_LONG_BITS == 64
517 tcg_temp_free(carry);
518 #endif
519
520 add_done:
521 if (update_cc) {
522 tcg_gen_mov_tl(cpu_cc_src, src1);
523 tcg_gen_mov_tl(cpu_cc_src2, src2);
524 tcg_gen_mov_tl(cpu_cc_dst, dst);
525 tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADDX);
526 dc->cc_op = CC_OP_ADDX;
527 }
528 }
529
530 static inline void gen_op_sub_cc(TCGv dst, TCGv src1, TCGv src2)
531 {
532 tcg_gen_mov_tl(cpu_cc_src, src1);
533 tcg_gen_mov_tl(cpu_cc_src2, src2);
534 tcg_gen_sub_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
535 tcg_gen_mov_tl(dst, cpu_cc_dst);
536 }
537
538 static void gen_op_subx_int(DisasContext *dc, TCGv dst, TCGv src1,
539 TCGv src2, int update_cc)
540 {
541 TCGv_i32 carry_32;
542 TCGv carry;
543
544 switch (dc->cc_op) {
545 case CC_OP_DIV:
546 case CC_OP_LOGIC:
547 /* Carry is known to be zero. Fall back to plain SUB. */
548 if (update_cc) {
549 gen_op_sub_cc(dst, src1, src2);
550 } else {
551 tcg_gen_sub_tl(dst, src1, src2);
552 }
553 return;
554
555 case CC_OP_ADD:
556 case CC_OP_TADD:
557 case CC_OP_TADDTV:
558 carry_32 = gen_add32_carry32();
559 break;
560
561 case CC_OP_SUB:
562 case CC_OP_TSUB:
563 case CC_OP_TSUBTV:
564 if (TARGET_LONG_BITS == 32) {
565 /* We can re-use the host's hardware carry generation by using
566 a SUB2 opcode. We discard the low part of the output.
567 Ideally we'd combine this operation with the add that
568 generated the carry in the first place. */
569 carry = tcg_temp_new();
570 tcg_gen_sub2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
571 tcg_temp_free(carry);
572 goto sub_done;
573 }
574 carry_32 = gen_sub32_carry32();
575 break;
576
577 default:
578 /* We need external help to produce the carry. */
579 carry_32 = tcg_temp_new_i32();
580 gen_helper_compute_C_icc(carry_32, cpu_env);
581 break;
582 }
583
584 #if TARGET_LONG_BITS == 64
585 carry = tcg_temp_new();
586 tcg_gen_extu_i32_i64(carry, carry_32);
587 #else
588 carry = carry_32;
589 #endif
590
591 tcg_gen_sub_tl(dst, src1, src2);
592 tcg_gen_sub_tl(dst, dst, carry);
593
594 tcg_temp_free_i32(carry_32);
595 #if TARGET_LONG_BITS == 64
596 tcg_temp_free(carry);
597 #endif
598
599 sub_done:
600 if (update_cc) {
601 tcg_gen_mov_tl(cpu_cc_src, src1);
602 tcg_gen_mov_tl(cpu_cc_src2, src2);
603 tcg_gen_mov_tl(cpu_cc_dst, dst);
604 tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUBX);
605 dc->cc_op = CC_OP_SUBX;
606 }
607 }
608
609 static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2)
610 {
611 TCGv r_temp, zero, t0;
612
613 r_temp = tcg_temp_new();
614 t0 = tcg_temp_new();
615
616 /* old op:
617 if (!(env->y & 1))
618 T1 = 0;
619 */
620 zero = tcg_const_tl(0);
621 tcg_gen_andi_tl(cpu_cc_src, src1, 0xffffffff);
622 tcg_gen_andi_tl(r_temp, cpu_y, 0x1);
623 tcg_gen_andi_tl(cpu_cc_src2, src2, 0xffffffff);
624 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_cc_src2, r_temp, zero,
625 zero, cpu_cc_src2);
626 tcg_temp_free(zero);
627
628 // b2 = T0 & 1;
629 // env->y = (b2 << 31) | (env->y >> 1);
630 tcg_gen_extract_tl(t0, cpu_y, 1, 31);
631 tcg_gen_deposit_tl(cpu_y, t0, cpu_cc_src, 31, 1);
632
633 // b1 = N ^ V;
634 gen_mov_reg_N(t0, cpu_psr);
635 gen_mov_reg_V(r_temp, cpu_psr);
636 tcg_gen_xor_tl(t0, t0, r_temp);
637 tcg_temp_free(r_temp);
638
639 // T0 = (b1 << 31) | (T0 >> 1);
640 // src1 = T0;
641 tcg_gen_shli_tl(t0, t0, 31);
642 tcg_gen_shri_tl(cpu_cc_src, cpu_cc_src, 1);
643 tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0);
644 tcg_temp_free(t0);
645
646 tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
647
648 tcg_gen_mov_tl(dst, cpu_cc_dst);
649 }
650
651 static inline void gen_op_multiply(TCGv dst, TCGv src1, TCGv src2, int sign_ext)
652 {
653 #if TARGET_LONG_BITS == 32
654 if (sign_ext) {
655 tcg_gen_muls2_tl(dst, cpu_y, src1, src2);
656 } else {
657 tcg_gen_mulu2_tl(dst, cpu_y, src1, src2);
658 }
659 #else
660 TCGv t0 = tcg_temp_new_i64();
661 TCGv t1 = tcg_temp_new_i64();
662
663 if (sign_ext) {
664 tcg_gen_ext32s_i64(t0, src1);
665 tcg_gen_ext32s_i64(t1, src2);
666 } else {
667 tcg_gen_ext32u_i64(t0, src1);
668 tcg_gen_ext32u_i64(t1, src2);
669 }
670
671 tcg_gen_mul_i64(dst, t0, t1);
672 tcg_temp_free(t0);
673 tcg_temp_free(t1);
674
675 tcg_gen_shri_i64(cpu_y, dst, 32);
676 #endif
677 }
678
679 static inline void gen_op_umul(TCGv dst, TCGv src1, TCGv src2)
680 {
681 /* zero-extend truncated operands before multiplication */
682 gen_op_multiply(dst, src1, src2, 0);
683 }
684
685 static inline void gen_op_smul(TCGv dst, TCGv src1, TCGv src2)
686 {
687 /* sign-extend truncated operands before multiplication */
688 gen_op_multiply(dst, src1, src2, 1);
689 }
690
691 // 1
692 static inline void gen_op_eval_ba(TCGv dst)
693 {
694 tcg_gen_movi_tl(dst, 1);
695 }
696
697 // Z
698 static inline void gen_op_eval_be(TCGv dst, TCGv_i32 src)
699 {
700 gen_mov_reg_Z(dst, src);
701 }
702
703 // Z | (N ^ V)
704 static inline void gen_op_eval_ble(TCGv dst, TCGv_i32 src)
705 {
706 TCGv t0 = tcg_temp_new();
707 gen_mov_reg_N(t0, src);
708 gen_mov_reg_V(dst, src);
709 tcg_gen_xor_tl(dst, dst, t0);
710 gen_mov_reg_Z(t0, src);
711 tcg_gen_or_tl(dst, dst, t0);
712 tcg_temp_free(t0);
713 }
714
715 // N ^ V
716 static inline void gen_op_eval_bl(TCGv dst, TCGv_i32 src)
717 {
718 TCGv t0 = tcg_temp_new();
719 gen_mov_reg_V(t0, src);
720 gen_mov_reg_N(dst, src);
721 tcg_gen_xor_tl(dst, dst, t0);
722 tcg_temp_free(t0);
723 }
724
725 // C | Z
726 static inline void gen_op_eval_bleu(TCGv dst, TCGv_i32 src)
727 {
728 TCGv t0 = tcg_temp_new();
729 gen_mov_reg_Z(t0, src);
730 gen_mov_reg_C(dst, src);
731 tcg_gen_or_tl(dst, dst, t0);
732 tcg_temp_free(t0);
733 }
734
735 // C
736 static inline void gen_op_eval_bcs(TCGv dst, TCGv_i32 src)
737 {
738 gen_mov_reg_C(dst, src);
739 }
740
741 // V
742 static inline void gen_op_eval_bvs(TCGv dst, TCGv_i32 src)
743 {
744 gen_mov_reg_V(dst, src);
745 }
746
747 // 0
748 static inline void gen_op_eval_bn(TCGv dst)
749 {
750 tcg_gen_movi_tl(dst, 0);
751 }
752
753 // N
754 static inline void gen_op_eval_bneg(TCGv dst, TCGv_i32 src)
755 {
756 gen_mov_reg_N(dst, src);
757 }
758
759 // !Z
760 static inline void gen_op_eval_bne(TCGv dst, TCGv_i32 src)
761 {
762 gen_mov_reg_Z(dst, src);
763 tcg_gen_xori_tl(dst, dst, 0x1);
764 }
765
766 // !(Z | (N ^ V))
767 static inline void gen_op_eval_bg(TCGv dst, TCGv_i32 src)
768 {
769 gen_op_eval_ble(dst, src);
770 tcg_gen_xori_tl(dst, dst, 0x1);
771 }
772
773 // !(N ^ V)
774 static inline void gen_op_eval_bge(TCGv dst, TCGv_i32 src)
775 {
776 gen_op_eval_bl(dst, src);
777 tcg_gen_xori_tl(dst, dst, 0x1);
778 }
779
780 // !(C | Z)
781 static inline void gen_op_eval_bgu(TCGv dst, TCGv_i32 src)
782 {
783 gen_op_eval_bleu(dst, src);
784 tcg_gen_xori_tl(dst, dst, 0x1);
785 }
786
787 // !C
788 static inline void gen_op_eval_bcc(TCGv dst, TCGv_i32 src)
789 {
790 gen_mov_reg_C(dst, src);
791 tcg_gen_xori_tl(dst, dst, 0x1);
792 }
793
794 // !N
795 static inline void gen_op_eval_bpos(TCGv dst, TCGv_i32 src)
796 {
797 gen_mov_reg_N(dst, src);
798 tcg_gen_xori_tl(dst, dst, 0x1);
799 }
800
801 // !V
802 static inline void gen_op_eval_bvc(TCGv dst, TCGv_i32 src)
803 {
804 gen_mov_reg_V(dst, src);
805 tcg_gen_xori_tl(dst, dst, 0x1);
806 }
807
808 /*
809 FPSR bit field FCC1 | FCC0:
810 0 =
811 1 <
812 2 >
813 3 unordered
814 */
815 static inline void gen_mov_reg_FCC0(TCGv reg, TCGv src,
816 unsigned int fcc_offset)
817 {
818 tcg_gen_shri_tl(reg, src, FSR_FCC0_SHIFT + fcc_offset);
819 tcg_gen_andi_tl(reg, reg, 0x1);
820 }
821
822 static inline void gen_mov_reg_FCC1(TCGv reg, TCGv src,
823 unsigned int fcc_offset)
824 {
825 tcg_gen_shri_tl(reg, src, FSR_FCC1_SHIFT + fcc_offset);
826 tcg_gen_andi_tl(reg, reg, 0x1);
827 }
828
829 // !0: FCC0 | FCC1
830 static inline void gen_op_eval_fbne(TCGv dst, TCGv src,
831 unsigned int fcc_offset)
832 {
833 TCGv t0 = tcg_temp_new();
834 gen_mov_reg_FCC0(dst, src, fcc_offset);
835 gen_mov_reg_FCC1(t0, src, fcc_offset);
836 tcg_gen_or_tl(dst, dst, t0);
837 tcg_temp_free(t0);
838 }
839
840 // 1 or 2: FCC0 ^ FCC1
841 static inline void gen_op_eval_fblg(TCGv dst, TCGv src,
842 unsigned int fcc_offset)
843 {
844 TCGv t0 = tcg_temp_new();
845 gen_mov_reg_FCC0(dst, src, fcc_offset);
846 gen_mov_reg_FCC1(t0, src, fcc_offset);
847 tcg_gen_xor_tl(dst, dst, t0);
848 tcg_temp_free(t0);
849 }
850
851 // 1 or 3: FCC0
852 static inline void gen_op_eval_fbul(TCGv dst, TCGv src,
853 unsigned int fcc_offset)
854 {
855 gen_mov_reg_FCC0(dst, src, fcc_offset);
856 }
857
858 // 1: FCC0 & !FCC1
859 static inline void gen_op_eval_fbl(TCGv dst, TCGv src,
860 unsigned int fcc_offset)
861 {
862 TCGv t0 = tcg_temp_new();
863 gen_mov_reg_FCC0(dst, src, fcc_offset);
864 gen_mov_reg_FCC1(t0, src, fcc_offset);
865 tcg_gen_andc_tl(dst, dst, t0);
866 tcg_temp_free(t0);
867 }
868
869 // 2 or 3: FCC1
870 static inline void gen_op_eval_fbug(TCGv dst, TCGv src,
871 unsigned int fcc_offset)
872 {
873 gen_mov_reg_FCC1(dst, src, fcc_offset);
874 }
875
876 // 2: !FCC0 & FCC1
877 static inline void gen_op_eval_fbg(TCGv dst, TCGv src,
878 unsigned int fcc_offset)
879 {
880 TCGv t0 = tcg_temp_new();
881 gen_mov_reg_FCC0(dst, src, fcc_offset);
882 gen_mov_reg_FCC1(t0, src, fcc_offset);
883 tcg_gen_andc_tl(dst, t0, dst);
884 tcg_temp_free(t0);
885 }
886
887 // 3: FCC0 & FCC1
888 static inline void gen_op_eval_fbu(TCGv dst, TCGv src,
889 unsigned int fcc_offset)
890 {
891 TCGv t0 = tcg_temp_new();
892 gen_mov_reg_FCC0(dst, src, fcc_offset);
893 gen_mov_reg_FCC1(t0, src, fcc_offset);
894 tcg_gen_and_tl(dst, dst, t0);
895 tcg_temp_free(t0);
896 }
897
898 // 0: !(FCC0 | FCC1)
899 static inline void gen_op_eval_fbe(TCGv dst, TCGv src,
900 unsigned int fcc_offset)
901 {
902 TCGv t0 = tcg_temp_new();
903 gen_mov_reg_FCC0(dst, src, fcc_offset);
904 gen_mov_reg_FCC1(t0, src, fcc_offset);
905 tcg_gen_or_tl(dst, dst, t0);
906 tcg_gen_xori_tl(dst, dst, 0x1);
907 tcg_temp_free(t0);
908 }
909
910 // 0 or 3: !(FCC0 ^ FCC1)
911 static inline void gen_op_eval_fbue(TCGv dst, TCGv src,
912 unsigned int fcc_offset)
913 {
914 TCGv t0 = tcg_temp_new();
915 gen_mov_reg_FCC0(dst, src, fcc_offset);
916 gen_mov_reg_FCC1(t0, src, fcc_offset);
917 tcg_gen_xor_tl(dst, dst, t0);
918 tcg_gen_xori_tl(dst, dst, 0x1);
919 tcg_temp_free(t0);
920 }
921
922 // 0 or 2: !FCC0
923 static inline void gen_op_eval_fbge(TCGv dst, TCGv src,
924 unsigned int fcc_offset)
925 {
926 gen_mov_reg_FCC0(dst, src, fcc_offset);
927 tcg_gen_xori_tl(dst, dst, 0x1);
928 }
929
930 // !1: !(FCC0 & !FCC1)
931 static inline void gen_op_eval_fbuge(TCGv dst, TCGv src,
932 unsigned int fcc_offset)
933 {
934 TCGv t0 = tcg_temp_new();
935 gen_mov_reg_FCC0(dst, src, fcc_offset);
936 gen_mov_reg_FCC1(t0, src, fcc_offset);
937 tcg_gen_andc_tl(dst, dst, t0);
938 tcg_gen_xori_tl(dst, dst, 0x1);
939 tcg_temp_free(t0);
940 }
941
942 // 0 or 1: !FCC1
943 static inline void gen_op_eval_fble(TCGv dst, TCGv src,
944 unsigned int fcc_offset)
945 {
946 gen_mov_reg_FCC1(dst, src, fcc_offset);
947 tcg_gen_xori_tl(dst, dst, 0x1);
948 }
949
950 // !2: !(!FCC0 & FCC1)
951 static inline void gen_op_eval_fbule(TCGv dst, TCGv src,
952 unsigned int fcc_offset)
953 {
954 TCGv t0 = tcg_temp_new();
955 gen_mov_reg_FCC0(dst, src, fcc_offset);
956 gen_mov_reg_FCC1(t0, src, fcc_offset);
957 tcg_gen_andc_tl(dst, t0, dst);
958 tcg_gen_xori_tl(dst, dst, 0x1);
959 tcg_temp_free(t0);
960 }
961
962 // !3: !(FCC0 & FCC1)
963 static inline void gen_op_eval_fbo(TCGv dst, TCGv src,
964 unsigned int fcc_offset)
965 {
966 TCGv t0 = tcg_temp_new();
967 gen_mov_reg_FCC0(dst, src, fcc_offset);
968 gen_mov_reg_FCC1(t0, src, fcc_offset);
969 tcg_gen_and_tl(dst, dst, t0);
970 tcg_gen_xori_tl(dst, dst, 0x1);
971 tcg_temp_free(t0);
972 }
973
974 static inline void gen_branch2(DisasContext *dc, target_ulong pc1,
975 target_ulong pc2, TCGv r_cond)
976 {
977 TCGLabel *l1 = gen_new_label();
978
979 tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, 0, l1);
980
981 gen_goto_tb(dc, 0, pc1, pc1 + 4);
982
983 gen_set_label(l1);
984 gen_goto_tb(dc, 1, pc2, pc2 + 4);
985 }
986
987 static void gen_branch_a(DisasContext *dc, target_ulong pc1)
988 {
989 TCGLabel *l1 = gen_new_label();
990 target_ulong npc = dc->npc;
991
992 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cond, 0, l1);
993
994 gen_goto_tb(dc, 0, npc, pc1);
995
996 gen_set_label(l1);
997 gen_goto_tb(dc, 1, npc + 4, npc + 8);
998
999 dc->base.is_jmp = DISAS_NORETURN;
1000 }
1001
1002 static void gen_branch_n(DisasContext *dc, target_ulong pc1)
1003 {
1004 target_ulong npc = dc->npc;
1005
1006 if (likely(npc != DYNAMIC_PC)) {
1007 dc->pc = npc;
1008 dc->jump_pc[0] = pc1;
1009 dc->jump_pc[1] = npc + 4;
1010 dc->npc = JUMP_PC;
1011 } else {
1012 TCGv t, z;
1013
1014 tcg_gen_mov_tl(cpu_pc, cpu_npc);
1015
1016 tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
1017 t = tcg_const_tl(pc1);
1018 z = tcg_const_tl(0);
1019 tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, cpu_cond, z, t, cpu_npc);
1020 tcg_temp_free(t);
1021 tcg_temp_free(z);
1022
1023 dc->pc = DYNAMIC_PC;
1024 }
1025 }
1026
1027 static inline void gen_generic_branch(DisasContext *dc)
1028 {
1029 TCGv npc0 = tcg_const_tl(dc->jump_pc[0]);
1030 TCGv npc1 = tcg_const_tl(dc->jump_pc[1]);
1031 TCGv zero = tcg_const_tl(0);
1032
1033 tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, cpu_cond, zero, npc0, npc1);
1034
1035 tcg_temp_free(npc0);
1036 tcg_temp_free(npc1);
1037 tcg_temp_free(zero);
1038 }
1039
1040 /* call this function before using the condition register as it may
1041 have been set for a jump */
1042 static inline void flush_cond(DisasContext *dc)
1043 {
1044 if (dc->npc == JUMP_PC) {
1045 gen_generic_branch(dc);
1046 dc->npc = DYNAMIC_PC;
1047 }
1048 }
1049
1050 static inline void save_npc(DisasContext *dc)
1051 {
1052 if (dc->npc == JUMP_PC) {
1053 gen_generic_branch(dc);
1054 dc->npc = DYNAMIC_PC;
1055 } else if (dc->npc != DYNAMIC_PC) {
1056 tcg_gen_movi_tl(cpu_npc, dc->npc);
1057 }
1058 }
1059
1060 static inline void update_psr(DisasContext *dc)
1061 {
1062 if (dc->cc_op != CC_OP_FLAGS) {
1063 dc->cc_op = CC_OP_FLAGS;
1064 gen_helper_compute_psr(cpu_env);
1065 }
1066 }
1067
1068 static inline void save_state(DisasContext *dc)
1069 {
1070 tcg_gen_movi_tl(cpu_pc, dc->pc);
1071 save_npc(dc);
1072 }
1073
1074 static void gen_exception(DisasContext *dc, int which)
1075 {
1076 TCGv_i32 t;
1077
1078 save_state(dc);
1079 t = tcg_const_i32(which);
1080 gen_helper_raise_exception(cpu_env, t);
1081 tcg_temp_free_i32(t);
1082 dc->base.is_jmp = DISAS_NORETURN;
1083 }
1084
1085 static void gen_check_align(TCGv addr, int mask)
1086 {
1087 TCGv_i32 r_mask = tcg_const_i32(mask);
1088 gen_helper_check_align(cpu_env, addr, r_mask);
1089 tcg_temp_free_i32(r_mask);
1090 }
1091
1092 static inline void gen_mov_pc_npc(DisasContext *dc)
1093 {
1094 if (dc->npc == JUMP_PC) {
1095 gen_generic_branch(dc);
1096 tcg_gen_mov_tl(cpu_pc, cpu_npc);
1097 dc->pc = DYNAMIC_PC;
1098 } else if (dc->npc == DYNAMIC_PC) {
1099 tcg_gen_mov_tl(cpu_pc, cpu_npc);
1100 dc->pc = DYNAMIC_PC;
1101 } else {
1102 dc->pc = dc->npc;
1103 }
1104 }
1105
1106 static inline void gen_op_next_insn(void)
1107 {
1108 tcg_gen_mov_tl(cpu_pc, cpu_npc);
1109 tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
1110 }
1111
1112 static void free_compare(DisasCompare *cmp)
1113 {
1114 if (!cmp->g1) {
1115 tcg_temp_free(cmp->c1);
1116 }
1117 if (!cmp->g2) {
1118 tcg_temp_free(cmp->c2);
1119 }
1120 }
1121
1122 static void gen_compare(DisasCompare *cmp, bool xcc, unsigned int cond,
1123 DisasContext *dc)
1124 {
1125 static int subcc_cond[16] = {
1126 TCG_COND_NEVER,
1127 TCG_COND_EQ,
1128 TCG_COND_LE,
1129 TCG_COND_LT,
1130 TCG_COND_LEU,
1131 TCG_COND_LTU,
1132 -1, /* neg */
1133 -1, /* overflow */
1134 TCG_COND_ALWAYS,
1135 TCG_COND_NE,
1136 TCG_COND_GT,
1137 TCG_COND_GE,
1138 TCG_COND_GTU,
1139 TCG_COND_GEU,
1140 -1, /* pos */
1141 -1, /* no overflow */
1142 };
1143
1144 static int logic_cond[16] = {
1145 TCG_COND_NEVER,
1146 TCG_COND_EQ, /* eq: Z */
1147 TCG_COND_LE, /* le: Z | (N ^ V) -> Z | N */
1148 TCG_COND_LT, /* lt: N ^ V -> N */
1149 TCG_COND_EQ, /* leu: C | Z -> Z */
1150 TCG_COND_NEVER, /* ltu: C -> 0 */
1151 TCG_COND_LT, /* neg: N */
1152 TCG_COND_NEVER, /* vs: V -> 0 */
1153 TCG_COND_ALWAYS,
1154 TCG_COND_NE, /* ne: !Z */
1155 TCG_COND_GT, /* gt: !(Z | (N ^ V)) -> !(Z | N) */
1156 TCG_COND_GE, /* ge: !(N ^ V) -> !N */
1157 TCG_COND_NE, /* gtu: !(C | Z) -> !Z */
1158 TCG_COND_ALWAYS, /* geu: !C -> 1 */
1159 TCG_COND_GE, /* pos: !N */
1160 TCG_COND_ALWAYS, /* vc: !V -> 1 */
1161 };
1162
1163 TCGv_i32 r_src;
1164 TCGv r_dst;
1165
1166 #ifdef TARGET_SPARC64
1167 if (xcc) {
1168 r_src = cpu_xcc;
1169 } else {
1170 r_src = cpu_psr;
1171 }
1172 #else
1173 r_src = cpu_psr;
1174 #endif
1175
1176 switch (dc->cc_op) {
1177 case CC_OP_LOGIC:
1178 cmp->cond = logic_cond[cond];
1179 do_compare_dst_0:
1180 cmp->is_bool = false;
1181 cmp->g2 = false;
1182 cmp->c2 = tcg_const_tl(0);
1183 #ifdef TARGET_SPARC64
1184 if (!xcc) {
1185 cmp->g1 = false;
1186 cmp->c1 = tcg_temp_new();
1187 tcg_gen_ext32s_tl(cmp->c1, cpu_cc_dst);
1188 break;
1189 }
1190 #endif
1191 cmp->g1 = true;
1192 cmp->c1 = cpu_cc_dst;
1193 break;
1194
1195 case CC_OP_SUB:
1196 switch (cond) {
1197 case 6: /* neg */
1198 case 14: /* pos */
1199 cmp->cond = (cond == 6 ? TCG_COND_LT : TCG_COND_GE);
1200 goto do_compare_dst_0;
1201
1202 case 7: /* overflow */
1203 case 15: /* !overflow */
1204 goto do_dynamic;
1205
1206 default:
1207 cmp->cond = subcc_cond[cond];
1208 cmp->is_bool = false;
1209 #ifdef TARGET_SPARC64
1210 if (!xcc) {
1211 /* Note that sign-extension works for unsigned compares as
1212 long as both operands are sign-extended. */
1213 cmp->g1 = cmp->g2 = false;
1214 cmp->c1 = tcg_temp_new();
1215 cmp->c2 = tcg_temp_new();
1216 tcg_gen_ext32s_tl(cmp->c1, cpu_cc_src);
1217 tcg_gen_ext32s_tl(cmp->c2, cpu_cc_src2);
1218 break;
1219 }
1220 #endif
1221 cmp->g1 = cmp->g2 = true;
1222 cmp->c1 = cpu_cc_src;
1223 cmp->c2 = cpu_cc_src2;
1224 break;
1225 }
1226 break;
1227
1228 default:
1229 do_dynamic:
1230 gen_helper_compute_psr(cpu_env);
1231 dc->cc_op = CC_OP_FLAGS;
1232 /* FALLTHRU */
1233
1234 case CC_OP_FLAGS:
1235 /* We're going to generate a boolean result. */
1236 cmp->cond = TCG_COND_NE;
1237 cmp->is_bool = true;
1238 cmp->g1 = cmp->g2 = false;
1239 cmp->c1 = r_dst = tcg_temp_new();
1240 cmp->c2 = tcg_const_tl(0);
1241
1242 switch (cond) {
1243 case 0x0:
1244 gen_op_eval_bn(r_dst);
1245 break;
1246 case 0x1:
1247 gen_op_eval_be(r_dst, r_src);
1248 break;
1249 case 0x2:
1250 gen_op_eval_ble(r_dst, r_src);
1251 break;
1252 case 0x3:
1253 gen_op_eval_bl(r_dst, r_src);
1254 break;
1255 case 0x4:
1256 gen_op_eval_bleu(r_dst, r_src);
1257 break;
1258 case 0x5:
1259 gen_op_eval_bcs(r_dst, r_src);
1260 break;
1261 case 0x6:
1262 gen_op_eval_bneg(r_dst, r_src);
1263 break;
1264 case 0x7:
1265 gen_op_eval_bvs(r_dst, r_src);
1266 break;
1267 case 0x8:
1268 gen_op_eval_ba(r_dst);
1269 break;
1270 case 0x9:
1271 gen_op_eval_bne(r_dst, r_src);
1272 break;
1273 case 0xa:
1274 gen_op_eval_bg(r_dst, r_src);
1275 break;
1276 case 0xb:
1277 gen_op_eval_bge(r_dst, r_src);
1278 break;
1279 case 0xc:
1280 gen_op_eval_bgu(r_dst, r_src);
1281 break;
1282 case 0xd:
1283 gen_op_eval_bcc(r_dst, r_src);
1284 break;
1285 case 0xe:
1286 gen_op_eval_bpos(r_dst, r_src);
1287 break;
1288 case 0xf:
1289 gen_op_eval_bvc(r_dst, r_src);
1290 break;
1291 }
1292 break;
1293 }
1294 }
1295
1296 static void gen_fcompare(DisasCompare *cmp, unsigned int cc, unsigned int cond)
1297 {
1298 unsigned int offset;
1299 TCGv r_dst;
1300
1301 /* For now we still generate a straight boolean result. */
1302 cmp->cond = TCG_COND_NE;
1303 cmp->is_bool = true;
1304 cmp->g1 = cmp->g2 = false;
1305 cmp->c1 = r_dst = tcg_temp_new();
1306 cmp->c2 = tcg_const_tl(0);
1307
1308 switch (cc) {
1309 default:
1310 case 0x0:
1311 offset = 0;
1312 break;
1313 case 0x1:
1314 offset = 32 - 10;
1315 break;
1316 case 0x2:
1317 offset = 34 - 10;
1318 break;
1319 case 0x3:
1320 offset = 36 - 10;
1321 break;
1322 }
1323
1324 switch (cond) {
1325 case 0x0:
1326 gen_op_eval_bn(r_dst);
1327 break;
1328 case 0x1:
1329 gen_op_eval_fbne(r_dst, cpu_fsr, offset);
1330 break;
1331 case 0x2:
1332 gen_op_eval_fblg(r_dst, cpu_fsr, offset);
1333 break;
1334 case 0x3:
1335 gen_op_eval_fbul(r_dst, cpu_fsr, offset);
1336 break;
1337 case 0x4:
1338 gen_op_eval_fbl(r_dst, cpu_fsr, offset);
1339 break;
1340 case 0x5:
1341 gen_op_eval_fbug(r_dst, cpu_fsr, offset);
1342 break;
1343 case 0x6:
1344 gen_op_eval_fbg(r_dst, cpu_fsr, offset);
1345 break;
1346 case 0x7:
1347 gen_op_eval_fbu(r_dst, cpu_fsr, offset);
1348 break;
1349 case 0x8:
1350 gen_op_eval_ba(r_dst);
1351 break;
1352 case 0x9:
1353 gen_op_eval_fbe(r_dst, cpu_fsr, offset);
1354 break;
1355 case 0xa:
1356 gen_op_eval_fbue(r_dst, cpu_fsr, offset);
1357 break;
1358 case 0xb:
1359 gen_op_eval_fbge(r_dst, cpu_fsr, offset);
1360 break;
1361 case 0xc:
1362 gen_op_eval_fbuge(r_dst, cpu_fsr, offset);
1363 break;
1364 case 0xd:
1365 gen_op_eval_fble(r_dst, cpu_fsr, offset);
1366 break;
1367 case 0xe:
1368 gen_op_eval_fbule(r_dst, cpu_fsr, offset);
1369 break;
1370 case 0xf:
1371 gen_op_eval_fbo(r_dst, cpu_fsr, offset);
1372 break;
1373 }
1374 }
1375
1376 static void gen_cond(TCGv r_dst, unsigned int cc, unsigned int cond,
1377 DisasContext *dc)
1378 {
1379 DisasCompare cmp;
1380 gen_compare(&cmp, cc, cond, dc);
1381
1382 /* The interface is to return a boolean in r_dst. */
1383 if (cmp.is_bool) {
1384 tcg_gen_mov_tl(r_dst, cmp.c1);
1385 } else {
1386 tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1387 }
1388
1389 free_compare(&cmp);
1390 }
1391
1392 static void gen_fcond(TCGv r_dst, unsigned int cc, unsigned int cond)
1393 {
1394 DisasCompare cmp;
1395 gen_fcompare(&cmp, cc, cond);
1396
1397 /* The interface is to return a boolean in r_dst. */
1398 if (cmp.is_bool) {
1399 tcg_gen_mov_tl(r_dst, cmp.c1);
1400 } else {
1401 tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1402 }
1403
1404 free_compare(&cmp);
1405 }
1406
1407 #ifdef TARGET_SPARC64
1408 // Inverted logic
1409 static const int gen_tcg_cond_reg[8] = {
1410 -1,
1411 TCG_COND_NE,
1412 TCG_COND_GT,
1413 TCG_COND_GE,
1414 -1,
1415 TCG_COND_EQ,
1416 TCG_COND_LE,
1417 TCG_COND_LT,
1418 };
1419
1420 static void gen_compare_reg(DisasCompare *cmp, int cond, TCGv r_src)
1421 {
1422 cmp->cond = tcg_invert_cond(gen_tcg_cond_reg[cond]);
1423 cmp->is_bool = false;
1424 cmp->g1 = true;
1425 cmp->g2 = false;
1426 cmp->c1 = r_src;
1427 cmp->c2 = tcg_const_tl(0);
1428 }
1429
1430 static inline void gen_cond_reg(TCGv r_dst, int cond, TCGv r_src)
1431 {
1432 DisasCompare cmp;
1433 gen_compare_reg(&cmp, cond, r_src);
1434
1435 /* The interface is to return a boolean in r_dst. */
1436 tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1437
1438 free_compare(&cmp);
1439 }
1440 #endif
1441
1442 static void do_branch(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_cond(cpu_cond, cc, cond, dc);
1474 if (a) {
1475 gen_branch_a(dc, target);
1476 } else {
1477 gen_branch_n(dc, target);
1478 }
1479 }
1480 }
1481
1482 static void do_fbranch(DisasContext *dc, int32_t offset, uint32_t insn, int cc)
1483 {
1484 unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
1485 target_ulong target = dc->pc + offset;
1486
1487 #ifdef TARGET_SPARC64
1488 if (unlikely(AM_CHECK(dc))) {
1489 target &= 0xffffffffULL;
1490 }
1491 #endif
1492 if (cond == 0x0) {
1493 /* unconditional not taken */
1494 if (a) {
1495 dc->pc = dc->npc + 4;
1496 dc->npc = dc->pc + 4;
1497 } else {
1498 dc->pc = dc->npc;
1499 dc->npc = dc->pc + 4;
1500 }
1501 } else if (cond == 0x8) {
1502 /* unconditional taken */
1503 if (a) {
1504 dc->pc = target;
1505 dc->npc = dc->pc + 4;
1506 } else {
1507 dc->pc = dc->npc;
1508 dc->npc = target;
1509 tcg_gen_mov_tl(cpu_pc, cpu_npc);
1510 }
1511 } else {
1512 flush_cond(dc);
1513 gen_fcond(cpu_cond, cc, cond);
1514 if (a) {
1515 gen_branch_a(dc, target);
1516 } else {
1517 gen_branch_n(dc, target);
1518 }
1519 }
1520 }
1521
1522 #ifdef TARGET_SPARC64
1523 static void do_branch_reg(DisasContext *dc, int32_t offset, uint32_t insn,
1524 TCGv r_reg)
1525 {
1526 unsigned int cond = GET_FIELD_SP(insn, 25, 27), a = (insn & (1 << 29));
1527 target_ulong target = dc->pc + offset;
1528
1529 if (unlikely(AM_CHECK(dc))) {
1530 target &= 0xffffffffULL;
1531 }
1532 flush_cond(dc);
1533 gen_cond_reg(cpu_cond, cond, r_reg);
1534 if (a) {
1535 gen_branch_a(dc, target);
1536 } else {
1537 gen_branch_n(dc, target);
1538 }
1539 }
1540
1541 static inline void gen_op_fcmps(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
1542 {
1543 switch (fccno) {
1544 case 0:
1545 gen_helper_fcmps(cpu_fsr, cpu_env, r_rs1, r_rs2);
1546 break;
1547 case 1:
1548 gen_helper_fcmps_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1549 break;
1550 case 2:
1551 gen_helper_fcmps_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1552 break;
1553 case 3:
1554 gen_helper_fcmps_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1555 break;
1556 }
1557 }
1558
1559 static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1560 {
1561 switch (fccno) {
1562 case 0:
1563 gen_helper_fcmpd(cpu_fsr, cpu_env, r_rs1, r_rs2);
1564 break;
1565 case 1:
1566 gen_helper_fcmpd_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1567 break;
1568 case 2:
1569 gen_helper_fcmpd_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1570 break;
1571 case 3:
1572 gen_helper_fcmpd_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1573 break;
1574 }
1575 }
1576
1577 static inline void gen_op_fcmpq(int fccno)
1578 {
1579 switch (fccno) {
1580 case 0:
1581 gen_helper_fcmpq(cpu_fsr, cpu_env);
1582 break;
1583 case 1:
1584 gen_helper_fcmpq_fcc1(cpu_fsr, cpu_env);
1585 break;
1586 case 2:
1587 gen_helper_fcmpq_fcc2(cpu_fsr, cpu_env);
1588 break;
1589 case 3:
1590 gen_helper_fcmpq_fcc3(cpu_fsr, cpu_env);
1591 break;
1592 }
1593 }
1594
1595 static inline void gen_op_fcmpes(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
1596 {
1597 switch (fccno) {
1598 case 0:
1599 gen_helper_fcmpes(cpu_fsr, cpu_env, r_rs1, r_rs2);
1600 break;
1601 case 1:
1602 gen_helper_fcmpes_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1603 break;
1604 case 2:
1605 gen_helper_fcmpes_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1606 break;
1607 case 3:
1608 gen_helper_fcmpes_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1609 break;
1610 }
1611 }
1612
1613 static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1614 {
1615 switch (fccno) {
1616 case 0:
1617 gen_helper_fcmped(cpu_fsr, cpu_env, r_rs1, r_rs2);
1618 break;
1619 case 1:
1620 gen_helper_fcmped_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1621 break;
1622 case 2:
1623 gen_helper_fcmped_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1624 break;
1625 case 3:
1626 gen_helper_fcmped_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1627 break;
1628 }
1629 }
1630
1631 static inline void gen_op_fcmpeq(int fccno)
1632 {
1633 switch (fccno) {
1634 case 0:
1635 gen_helper_fcmpeq(cpu_fsr, cpu_env);
1636 break;
1637 case 1:
1638 gen_helper_fcmpeq_fcc1(cpu_fsr, cpu_env);
1639 break;
1640 case 2:
1641 gen_helper_fcmpeq_fcc2(cpu_fsr, cpu_env);
1642 break;
1643 case 3:
1644 gen_helper_fcmpeq_fcc3(cpu_fsr, cpu_env);
1645 break;
1646 }
1647 }
1648
1649 #else
1650
1651 static inline void gen_op_fcmps(int fccno, TCGv r_rs1, TCGv r_rs2)
1652 {
1653 gen_helper_fcmps(cpu_fsr, cpu_env, r_rs1, r_rs2);
1654 }
1655
1656 static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1657 {
1658 gen_helper_fcmpd(cpu_fsr, cpu_env, r_rs1, r_rs2);
1659 }
1660
1661 static inline void gen_op_fcmpq(int fccno)
1662 {
1663 gen_helper_fcmpq(cpu_fsr, cpu_env);
1664 }
1665
1666 static inline void gen_op_fcmpes(int fccno, TCGv r_rs1, TCGv r_rs2)
1667 {
1668 gen_helper_fcmpes(cpu_fsr, cpu_env, r_rs1, r_rs2);
1669 }
1670
1671 static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1672 {
1673 gen_helper_fcmped(cpu_fsr, cpu_env, r_rs1, r_rs2);
1674 }
1675
1676 static inline void gen_op_fcmpeq(int fccno)
1677 {
1678 gen_helper_fcmpeq(cpu_fsr, cpu_env);
1679 }
1680 #endif
1681
1682 static void gen_op_fpexception_im(DisasContext *dc, int fsr_flags)
1683 {
1684 tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_NMASK);
1685 tcg_gen_ori_tl(cpu_fsr, cpu_fsr, fsr_flags);
1686 gen_exception(dc, TT_FP_EXCP);
1687 }
1688
1689 static int gen_trap_ifnofpu(DisasContext *dc)
1690 {
1691 #if !defined(CONFIG_USER_ONLY)
1692 if (!dc->fpu_enabled) {
1693 gen_exception(dc, TT_NFPU_INSN);
1694 return 1;
1695 }
1696 #endif
1697 return 0;
1698 }
1699
1700 static inline void gen_op_clear_ieee_excp_and_FTT(void)
1701 {
1702 tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_CEXC_NMASK);
1703 }
1704
1705 static inline void gen_fop_FF(DisasContext *dc, int rd, int rs,
1706 void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32))
1707 {
1708 TCGv_i32 dst, src;
1709
1710 src = gen_load_fpr_F(dc, rs);
1711 dst = gen_dest_fpr_F(dc);
1712
1713 gen(dst, cpu_env, src);
1714 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1715
1716 gen_store_fpr_F(dc, rd, dst);
1717 }
1718
1719 static inline void gen_ne_fop_FF(DisasContext *dc, int rd, int rs,
1720 void (*gen)(TCGv_i32, TCGv_i32))
1721 {
1722 TCGv_i32 dst, src;
1723
1724 src = gen_load_fpr_F(dc, rs);
1725 dst = gen_dest_fpr_F(dc);
1726
1727 gen(dst, src);
1728
1729 gen_store_fpr_F(dc, rd, dst);
1730 }
1731
1732 static inline void gen_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
1733 void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32, TCGv_i32))
1734 {
1735 TCGv_i32 dst, src1, src2;
1736
1737 src1 = gen_load_fpr_F(dc, rs1);
1738 src2 = gen_load_fpr_F(dc, rs2);
1739 dst = gen_dest_fpr_F(dc);
1740
1741 gen(dst, cpu_env, src1, src2);
1742 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1743
1744 gen_store_fpr_F(dc, rd, dst);
1745 }
1746
1747 #ifdef TARGET_SPARC64
1748 static inline void gen_ne_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
1749 void (*gen)(TCGv_i32, TCGv_i32, TCGv_i32))
1750 {
1751 TCGv_i32 dst, src1, src2;
1752
1753 src1 = gen_load_fpr_F(dc, rs1);
1754 src2 = gen_load_fpr_F(dc, rs2);
1755 dst = gen_dest_fpr_F(dc);
1756
1757 gen(dst, src1, src2);
1758
1759 gen_store_fpr_F(dc, rd, dst);
1760 }
1761 #endif
1762
1763 static inline void gen_fop_DD(DisasContext *dc, int rd, int rs,
1764 void (*gen)(TCGv_i64, TCGv_ptr, 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, cpu_env, src);
1772 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1773
1774 gen_store_fpr_D(dc, rd, dst);
1775 }
1776
1777 #ifdef TARGET_SPARC64
1778 static inline void gen_ne_fop_DD(DisasContext *dc, int rd, int rs,
1779 void (*gen)(TCGv_i64, TCGv_i64))
1780 {
1781 TCGv_i64 dst, src;
1782
1783 src = gen_load_fpr_D(dc, rs);
1784 dst = gen_dest_fpr_D(dc, rd);
1785
1786 gen(dst, src);
1787
1788 gen_store_fpr_D(dc, rd, dst);
1789 }
1790 #endif
1791
1792 static inline void gen_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1793 void (*gen)(TCGv_i64, TCGv_ptr, 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, cpu_env, src1, src2);
1802 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1803
1804 gen_store_fpr_D(dc, rd, dst);
1805 }
1806
1807 #ifdef TARGET_SPARC64
1808 static inline void gen_ne_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1809 void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64))
1810 {
1811 TCGv_i64 dst, src1, src2;
1812
1813 src1 = gen_load_fpr_D(dc, rs1);
1814 src2 = gen_load_fpr_D(dc, rs2);
1815 dst = gen_dest_fpr_D(dc, rd);
1816
1817 gen(dst, src1, src2);
1818
1819 gen_store_fpr_D(dc, rd, dst);
1820 }
1821
1822 static inline void gen_gsr_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1823 void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
1824 {
1825 TCGv_i64 dst, src1, src2;
1826
1827 src1 = gen_load_fpr_D(dc, rs1);
1828 src2 = gen_load_fpr_D(dc, rs2);
1829 dst = gen_dest_fpr_D(dc, rd);
1830
1831 gen(dst, cpu_gsr, src1, src2);
1832
1833 gen_store_fpr_D(dc, rd, dst);
1834 }
1835
1836 static inline void gen_ne_fop_DDDD(DisasContext *dc, int rd, int rs1, int rs2,
1837 void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
1838 {
1839 TCGv_i64 dst, src0, src1, src2;
1840
1841 src1 = gen_load_fpr_D(dc, rs1);
1842 src2 = gen_load_fpr_D(dc, rs2);
1843 src0 = gen_load_fpr_D(dc, rd);
1844 dst = gen_dest_fpr_D(dc, rd);
1845
1846 gen(dst, src0, src1, src2);
1847
1848 gen_store_fpr_D(dc, rd, dst);
1849 }
1850 #endif
1851
1852 static inline void gen_fop_QQ(DisasContext *dc, int rd, int rs,
1853 void (*gen)(TCGv_ptr))
1854 {
1855 gen_op_load_fpr_QT1(QFPREG(rs));
1856
1857 gen(cpu_env);
1858 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1859
1860 gen_op_store_QT0_fpr(QFPREG(rd));
1861 gen_update_fprs_dirty(dc, QFPREG(rd));
1862 }
1863
1864 #ifdef TARGET_SPARC64
1865 static inline void gen_ne_fop_QQ(DisasContext *dc, int rd, int rs,
1866 void (*gen)(TCGv_ptr))
1867 {
1868 gen_op_load_fpr_QT1(QFPREG(rs));
1869
1870 gen(cpu_env);
1871
1872 gen_op_store_QT0_fpr(QFPREG(rd));
1873 gen_update_fprs_dirty(dc, QFPREG(rd));
1874 }
1875 #endif
1876
1877 static inline void gen_fop_QQQ(DisasContext *dc, int rd, int rs1, int rs2,
1878 void (*gen)(TCGv_ptr))
1879 {
1880 gen_op_load_fpr_QT0(QFPREG(rs1));
1881 gen_op_load_fpr_QT1(QFPREG(rs2));
1882
1883 gen(cpu_env);
1884 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1885
1886 gen_op_store_QT0_fpr(QFPREG(rd));
1887 gen_update_fprs_dirty(dc, QFPREG(rd));
1888 }
1889
1890 static inline void gen_fop_DFF(DisasContext *dc, int rd, int rs1, int rs2,
1891 void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32, TCGv_i32))
1892 {
1893 TCGv_i64 dst;
1894 TCGv_i32 src1, src2;
1895
1896 src1 = gen_load_fpr_F(dc, rs1);
1897 src2 = gen_load_fpr_F(dc, rs2);
1898 dst = gen_dest_fpr_D(dc, rd);
1899
1900 gen(dst, cpu_env, src1, src2);
1901 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1902
1903 gen_store_fpr_D(dc, rd, dst);
1904 }
1905
1906 static inline void gen_fop_QDD(DisasContext *dc, int rd, int rs1, int rs2,
1907 void (*gen)(TCGv_ptr, TCGv_i64, TCGv_i64))
1908 {
1909 TCGv_i64 src1, src2;
1910
1911 src1 = gen_load_fpr_D(dc, rs1);
1912 src2 = gen_load_fpr_D(dc, rs2);
1913
1914 gen(cpu_env, src1, src2);
1915 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1916
1917 gen_op_store_QT0_fpr(QFPREG(rd));
1918 gen_update_fprs_dirty(dc, QFPREG(rd));
1919 }
1920
1921 #ifdef TARGET_SPARC64
1922 static inline void gen_fop_DF(DisasContext *dc, int rd, int rs,
1923 void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
1924 {
1925 TCGv_i64 dst;
1926 TCGv_i32 src;
1927
1928 src = gen_load_fpr_F(dc, rs);
1929 dst = gen_dest_fpr_D(dc, rd);
1930
1931 gen(dst, cpu_env, src);
1932 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1933
1934 gen_store_fpr_D(dc, rd, dst);
1935 }
1936 #endif
1937
1938 static inline void gen_ne_fop_DF(DisasContext *dc, int rd, int rs,
1939 void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
1940 {
1941 TCGv_i64 dst;
1942 TCGv_i32 src;
1943
1944 src = gen_load_fpr_F(dc, rs);
1945 dst = gen_dest_fpr_D(dc, rd);
1946
1947 gen(dst, cpu_env, src);
1948
1949 gen_store_fpr_D(dc, rd, dst);
1950 }
1951
1952 static inline void gen_fop_FD(DisasContext *dc, int rd, int rs,
1953 void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i64))
1954 {
1955 TCGv_i32 dst;
1956 TCGv_i64 src;
1957
1958 src = gen_load_fpr_D(dc, rs);
1959 dst = gen_dest_fpr_F(dc);
1960
1961 gen(dst, cpu_env, src);
1962 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1963
1964 gen_store_fpr_F(dc, rd, dst);
1965 }
1966
1967 static inline void gen_fop_FQ(DisasContext *dc, int rd, int rs,
1968 void (*gen)(TCGv_i32, TCGv_ptr))
1969 {
1970 TCGv_i32 dst;
1971
1972 gen_op_load_fpr_QT1(QFPREG(rs));
1973 dst = gen_dest_fpr_F(dc);
1974
1975 gen(dst, cpu_env);
1976 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1977
1978 gen_store_fpr_F(dc, rd, dst);
1979 }
1980
1981 static inline void gen_fop_DQ(DisasContext *dc, int rd, int rs,
1982 void (*gen)(TCGv_i64, TCGv_ptr))
1983 {
1984 TCGv_i64 dst;
1985
1986 gen_op_load_fpr_QT1(QFPREG(rs));
1987 dst = gen_dest_fpr_D(dc, rd);
1988
1989 gen(dst, cpu_env);
1990 gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1991
1992 gen_store_fpr_D(dc, rd, dst);
1993 }
1994
1995 static inline void gen_ne_fop_QF(DisasContext *dc, int rd, int rs,
1996 void (*gen)(TCGv_ptr, TCGv_i32))
1997 {
1998 TCGv_i32 src;
1999
2000 src = gen_load_fpr_F(dc, rs);
2001
2002 gen(cpu_env, src);
2003
2004 gen_op_store_QT0_fpr(QFPREG(rd));
2005 gen_update_fprs_dirty(dc, QFPREG(rd));
2006 }
2007
2008 static inline void gen_ne_fop_QD(DisasContext *dc, int rd, int rs,
2009 void (*gen)(TCGv_ptr, TCGv_i64))
2010 {
2011 TCGv_i64 src;
2012
2013 src = gen_load_fpr_D(dc, rs);
2014
2015 gen(cpu_env, src);
2016
2017 gen_op_store_QT0_fpr(QFPREG(rd));
2018 gen_update_fprs_dirty(dc, QFPREG(rd));
2019 }
2020
2021 static void gen_swap(DisasContext *dc, TCGv dst, TCGv src,
2022 TCGv addr, int mmu_idx, MemOp memop)
2023 {
2024 gen_address_mask(dc, addr);
2025 tcg_gen_atomic_xchg_tl(dst, addr, src, mmu_idx, memop);
2026 }
2027
2028 static void gen_ldstub(DisasContext *dc, TCGv dst, TCGv addr, int mmu_idx)
2029 {
2030 TCGv m1 = tcg_const_tl(0xff);
2031 gen_address_mask(dc, addr);
2032 tcg_gen_atomic_xchg_tl(dst, addr, m1, mmu_idx, MO_UB);
2033 tcg_temp_free(m1);
2034 }
2035
2036 /* asi moves */
2037 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
2038 typedef enum {
2039 GET_ASI_HELPER,
2040 GET_ASI_EXCP,
2041 GET_ASI_DIRECT,
2042 GET_ASI_DTWINX,
2043 GET_ASI_BLOCK,
2044 GET_ASI_SHORT,
2045 GET_ASI_BCOPY,
2046 GET_ASI_BFILL,
2047 } ASIType;
2048
2049 typedef struct {
2050 ASIType type;
2051 int asi;
2052 int mem_idx;
2053 MemOp memop;
2054 } DisasASI;
2055
2056 static DisasASI get_asi(DisasContext *dc, int insn, MemOp memop)
2057 {
2058 int asi = GET_FIELD(insn, 19, 26);
2059 ASIType type = GET_ASI_HELPER;
2060 int mem_idx = dc->mem_idx;
2061
2062 #ifndef TARGET_SPARC64
2063 /* Before v9, all asis are immediate and privileged. */
2064 if (IS_IMM) {
2065 gen_exception(dc, TT_ILL_INSN);
2066 type = GET_ASI_EXCP;
2067 } else if (supervisor(dc)
2068 /* Note that LEON accepts ASI_USERDATA in user mode, for
2069 use with CASA. Also note that previous versions of
2070 QEMU allowed (and old versions of gcc emitted) ASI_P
2071 for LEON, which is incorrect. */
2072 || (asi == ASI_USERDATA
2073 && (dc->def->features & CPU_FEATURE_CASA))) {
2074 switch (asi) {
2075 case ASI_USERDATA: /* User data access */
2076 mem_idx = MMU_USER_IDX;
2077 type = GET_ASI_DIRECT;
2078 break;
2079 case ASI_KERNELDATA: /* Supervisor data access */
2080 mem_idx = MMU_KERNEL_IDX;
2081 type = GET_ASI_DIRECT;
2082 break;
2083 case ASI_M_BYPASS: /* MMU passthrough */
2084 case ASI_LEON_BYPASS: /* LEON MMU passthrough */
2085 mem_idx = MMU_PHYS_IDX;
2086 type = GET_ASI_DIRECT;
2087 break;
2088 case ASI_M_BCOPY: /* Block copy, sta access */
2089 mem_idx = MMU_KERNEL_IDX;
2090 type = GET_ASI_BCOPY;
2091 break;
2092 case ASI_M_BFILL: /* Block fill, stda access */
2093 mem_idx = MMU_KERNEL_IDX;
2094 type = GET_ASI_BFILL;
2095 break;
2096 }
2097
2098 /* MMU_PHYS_IDX is used when the MMU is disabled to passthrough the
2099 * permissions check in get_physical_address(..).
2100 */
2101 mem_idx = (dc->mem_idx == MMU_PHYS_IDX) ? MMU_PHYS_IDX : mem_idx;
2102 } else {
2103 gen_exception(dc, TT_PRIV_INSN);
2104 type = GET_ASI_EXCP;
2105 }
2106 #else
2107 if (IS_IMM) {
2108 asi = dc->asi;
2109 }
2110 /* With v9, all asis below 0x80 are privileged. */
2111 /* ??? We ought to check cpu_has_hypervisor, but we didn't copy
2112 down that bit into DisasContext. For the moment that's ok,
2113 since the direct implementations below doesn't have any ASIs
2114 in the restricted [0x30, 0x7f] range, and the check will be
2115 done properly in the helper. */
2116 if (!supervisor(dc) && asi < 0x80) {
2117 gen_exception(dc, TT_PRIV_ACT);
2118 type = GET_ASI_EXCP;
2119 } else {
2120 switch (asi) {
2121 case ASI_REAL: /* Bypass */
2122 case ASI_REAL_IO: /* Bypass, non-cacheable */
2123 case ASI_REAL_L: /* Bypass LE */
2124 case ASI_REAL_IO_L: /* Bypass, non-cacheable LE */
2125 case ASI_TWINX_REAL: /* Real address, twinx */
2126 case ASI_TWINX_REAL_L: /* Real address, twinx, LE */
2127 case ASI_QUAD_LDD_PHYS:
2128 case ASI_QUAD_LDD_PHYS_L:
2129 mem_idx = MMU_PHYS_IDX;
2130 break;
2131 case ASI_N: /* Nucleus */
2132 case ASI_NL: /* Nucleus LE */
2133 case ASI_TWINX_N:
2134 case ASI_TWINX_NL:
2135 case ASI_NUCLEUS_QUAD_LDD:
2136 case ASI_NUCLEUS_QUAD_LDD_L:
2137 if (hypervisor(dc)) {
2138 mem_idx = MMU_PHYS_IDX;
2139 } else {
2140 mem_idx = MMU_NUCLEUS_IDX;
2141 }
2142 break;
2143 case ASI_AIUP: /* As if user primary */
2144 case ASI_AIUPL: /* As if user primary LE */
2145 case ASI_TWINX_AIUP:
2146 case ASI_TWINX_AIUP_L:
2147 case ASI_BLK_AIUP_4V:
2148 case ASI_BLK_AIUP_L_4V:
2149 case ASI_BLK_AIUP:
2150 case ASI_BLK_AIUPL:
2151 mem_idx = MMU_USER_IDX;
2152 break;
2153 case ASI_AIUS: /* As if user secondary */
2154 case ASI_AIUSL: /* As if user secondary LE */
2155 case ASI_TWINX_AIUS:
2156 case ASI_TWINX_AIUS_L:
2157 case ASI_BLK_AIUS_4V:
2158 case ASI_BLK_AIUS_L_4V:
2159 case ASI_BLK_AIUS:
2160 case ASI_BLK_AIUSL:
2161 mem_idx = MMU_USER_SECONDARY_IDX;
2162 break;
2163 case ASI_S: /* Secondary */
2164 case ASI_SL: /* Secondary LE */
2165 case ASI_TWINX_S:
2166 case ASI_TWINX_SL:
2167 case ASI_BLK_COMMIT_S:
2168 case ASI_BLK_S:
2169 case ASI_BLK_SL:
2170 case ASI_FL8_S:
2171 case ASI_FL8_SL:
2172 case ASI_FL16_S:
2173 case ASI_FL16_SL:
2174 if (mem_idx == MMU_USER_IDX) {
2175 mem_idx = MMU_USER_SECONDARY_IDX;
2176 } else if (mem_idx == MMU_KERNEL_IDX) {
2177 mem_idx = MMU_KERNEL_SECONDARY_IDX;
2178 }
2179 break;
2180 case ASI_P: /* Primary */
2181 case ASI_PL: /* Primary LE */
2182 case ASI_TWINX_P:
2183 case ASI_TWINX_PL:
2184 case ASI_BLK_COMMIT_P:
2185 case ASI_BLK_P:
2186 case ASI_BLK_PL:
2187 case ASI_FL8_P:
2188 case ASI_FL8_PL:
2189 case ASI_FL16_P:
2190 case ASI_FL16_PL:
2191 break;
2192 }
2193 switch (asi) {
2194 case ASI_REAL:
2195 case ASI_REAL_IO:
2196 case ASI_REAL_L:
2197 case ASI_REAL_IO_L:
2198 case ASI_N:
2199 case ASI_NL:
2200 case ASI_AIUP:
2201 case ASI_AIUPL:
2202 case ASI_AIUS:
2203 case ASI_AIUSL:
2204 case ASI_S:
2205 case ASI_SL:
2206 case ASI_P:
2207 case ASI_PL:
2208 type = GET_ASI_DIRECT;
2209 break;
2210 case ASI_TWINX_REAL:
2211 case ASI_TWINX_REAL_L:
2212 case ASI_TWINX_N:
2213 case ASI_TWINX_NL:
2214 case ASI_TWINX_AIUP:
2215 case ASI_TWINX_AIUP_L:
2216 case ASI_TWINX_AIUS:
2217 case ASI_TWINX_AIUS_L:
2218 case ASI_TWINX_P:
2219 case ASI_TWINX_PL:
2220 case ASI_TWINX_S:
2221 case ASI_TWINX_SL:
2222 case ASI_QUAD_LDD_PHYS:
2223 case ASI_QUAD_LDD_PHYS_L:
2224 case ASI_NUCLEUS_QUAD_LDD:
2225 case ASI_NUCLEUS_QUAD_LDD_L:
2226 type = GET_ASI_DTWINX;
2227 break;
2228 case ASI_BLK_COMMIT_P:
2229 case ASI_BLK_COMMIT_S:
2230 case ASI_BLK_AIUP_4V:
2231 case ASI_BLK_AIUP_L_4V:
2232 case ASI_BLK_AIUP:
2233 case ASI_BLK_AIUPL:
2234 case ASI_BLK_AIUS_4V:
2235 case ASI_BLK_AIUS_L_4V:
2236 case ASI_BLK_AIUS:
2237 case ASI_BLK_AIUSL:
2238 case ASI_BLK_S:
2239 case ASI_BLK_SL:
2240 case ASI_BLK_P:
2241 case ASI_BLK_PL:
2242 type = GET_ASI_BLOCK;
2243 break;
2244 case ASI_FL8_S:
2245 case ASI_FL8_SL:
2246 case ASI_FL8_P:
2247 case ASI_FL8_PL:
2248 memop = MO_UB;
2249 type = GET_ASI_SHORT;
2250 break;
2251 case ASI_FL16_S:
2252 case ASI_FL16_SL:
2253 case ASI_FL16_P:
2254 case ASI_FL16_PL:
2255 memop = MO_TEUW;
2256 type = GET_ASI_SHORT;
2257 break;
2258 }
2259 /* The little-endian asis all have bit 3 set. */
2260 if (asi & 8) {
2261 memop ^= MO_BSWAP;
2262 }
2263 }
2264 #endif
2265
2266 return (DisasASI){ type, asi, mem_idx, memop };
2267 }
2268
2269 static void gen_ld_asi(DisasContext *dc, TCGv dst, TCGv addr,
2270 int insn, MemOp memop)
2271 {
2272 DisasASI da = get_asi(dc, insn, memop);
2273
2274 switch (da.type) {
2275 case GET_ASI_EXCP:
2276 break;
2277 case GET_ASI_DTWINX: /* Reserved for ldda. */
2278 gen_exception(dc, TT_ILL_INSN);
2279 break;
2280 case GET_ASI_DIRECT:
2281 gen_address_mask(dc, addr);
2282 tcg_gen_qemu_ld_tl(dst, addr, da.mem_idx, da.memop);
2283 break;
2284 default:
2285 {
2286 TCGv_i32 r_asi = tcg_const_i32(da.asi);
2287 TCGv_i32 r_mop = tcg_const_i32(memop);
2288
2289 save_state(dc);
2290 #ifdef TARGET_SPARC64
2291 gen_helper_ld_asi(dst, cpu_env, addr, r_asi, r_mop);
2292 #else
2293 {
2294 TCGv_i64 t64 = tcg_temp_new_i64();
2295 gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2296 tcg_gen_trunc_i64_tl(dst, t64);
2297 tcg_temp_free_i64(t64);
2298 }
2299 #endif
2300 tcg_temp_free_i32(r_mop);
2301 tcg_temp_free_i32(r_asi);
2302 }
2303 break;
2304 }
2305 }
2306
2307 static void gen_st_asi(DisasContext *dc, TCGv src, TCGv addr,
2308 int insn, MemOp memop)
2309 {
2310 DisasASI da = get_asi(dc, insn, memop);
2311
2312 switch (da.type) {
2313 case GET_ASI_EXCP:
2314 break;
2315 case GET_ASI_DTWINX: /* Reserved for stda. */
2316 #ifndef TARGET_SPARC64
2317 gen_exception(dc, TT_ILL_INSN);
2318 break;
2319 #else
2320 if (!(dc->def->features & CPU_FEATURE_HYPV)) {
2321 /* Pre OpenSPARC CPUs don't have these */
2322 gen_exception(dc, TT_ILL_INSN);
2323 return;
2324 }
2325 /* in OpenSPARC T1+ CPUs TWINX ASIs in store instructions
2326 * are ST_BLKINIT_ ASIs */
2327 /* fall through */
2328 #endif
2329 case GET_ASI_DIRECT:
2330 gen_address_mask(dc, addr);
2331 tcg_gen_qemu_st_tl(src, addr, da.mem_idx, da.memop);
2332 break;
2333 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
2334 case GET_ASI_BCOPY:
2335 /* Copy 32 bytes from the address in SRC to ADDR. */
2336 /* ??? The original qemu code suggests 4-byte alignment, dropping
2337 the low bits, but the only place I can see this used is in the
2338 Linux kernel with 32 byte alignment, which would make more sense
2339 as a cacheline-style operation. */
2340 {
2341 TCGv saddr = tcg_temp_new();
2342 TCGv daddr = tcg_temp_new();
2343 TCGv four = tcg_const_tl(4);
2344 TCGv_i32 tmp = tcg_temp_new_i32();
2345 int i;
2346
2347 tcg_gen_andi_tl(saddr, src, -4);
2348 tcg_gen_andi_tl(daddr, addr, -4);
2349 for (i = 0; i < 32; i += 4) {
2350 /* Since the loads and stores are paired, allow the
2351 copy to happen in the host endianness. */
2352 tcg_gen_qemu_ld_i32(tmp, saddr, da.mem_idx, MO_UL);
2353 tcg_gen_qemu_st_i32(tmp, daddr, da.mem_idx, MO_UL);
2354 tcg_gen_add_tl(saddr, saddr, four);
2355 tcg_gen_add_tl(daddr, daddr, four);
2356 }
2357
2358 tcg_temp_free(saddr);
2359 tcg_temp_free(daddr);
2360 tcg_temp_free(four);
2361 tcg_temp_free_i32(tmp);
2362 }
2363 break;
2364 #endif
2365 default:
2366 {
2367 TCGv_i32 r_asi = tcg_const_i32(da.asi);
2368 TCGv_i32 r_mop = tcg_const_i32(memop & MO_SIZE);
2369
2370 save_state(dc);
2371 #ifdef TARGET_SPARC64
2372 gen_helper_st_asi(cpu_env, addr, src, r_asi, r_mop);
2373 #else
2374 {
2375 TCGv_i64 t64 = tcg_temp_new_i64();
2376 tcg_gen_extu_tl_i64(t64, src);
2377 gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2378 tcg_temp_free_i64(t64);
2379 }
2380 #endif
2381 tcg_temp_free_i32(r_mop);
2382 tcg_temp_free_i32(r_asi);
2383
2384 /* A write to a TLB register may alter page maps. End the TB. */
2385 dc->npc = DYNAMIC_PC;
2386 }
2387 break;
2388 }
2389 }
2390
2391 static void gen_swap_asi(DisasContext *dc, TCGv dst, TCGv src,
2392 TCGv addr, int insn)
2393 {
2394 DisasASI da = get_asi(dc, insn, MO_TEUL);
2395
2396 switch (da.type) {
2397 case GET_ASI_EXCP:
2398 break;
2399 case GET_ASI_DIRECT:
2400 gen_swap(dc, dst, src, addr, da.mem_idx, da.memop);
2401 break;
2402 default:
2403 /* ??? Should be DAE_invalid_asi. */
2404 gen_exception(dc, TT_DATA_ACCESS);
2405 break;
2406 }
2407 }
2408
2409 static void gen_cas_asi(DisasContext *dc, TCGv addr, TCGv cmpv,
2410 int insn, int rd)
2411 {
2412 DisasASI da = get_asi(dc, insn, MO_TEUL);
2413 TCGv oldv;
2414
2415 switch (da.type) {
2416 case GET_ASI_EXCP:
2417 return;
2418 case GET_ASI_DIRECT:
2419 oldv = tcg_temp_new();
2420 tcg_gen_atomic_cmpxchg_tl(oldv, addr, cmpv, gen_load_gpr(dc, rd),
2421 da.mem_idx, da.memop);
2422 gen_store_gpr(dc, rd, oldv);
2423 tcg_temp_free(oldv);
2424 break;
2425 default:
2426 /* ??? Should be DAE_invalid_asi. */
2427 gen_exception(dc, TT_DATA_ACCESS);
2428 break;
2429 }
2430 }
2431
2432 static void gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn)
2433 {
2434 DisasASI da = get_asi(dc, insn, MO_UB);
2435
2436 switch (da.type) {
2437 case GET_ASI_EXCP:
2438 break;
2439 case GET_ASI_DIRECT:
2440 gen_ldstub(dc, dst, addr, da.mem_idx);
2441 break;
2442 default:
2443 /* ??? In theory, this should be raise DAE_invalid_asi.
2444 But the SS-20 roms do ldstuba [%l0] #ASI_M_CTL, %o1. */
2445 if (tb_cflags(dc->base.tb) & CF_PARALLEL) {
2446 gen_helper_exit_atomic(cpu_env);
2447 } else {
2448 TCGv_i32 r_asi = tcg_const_i32(da.asi);
2449 TCGv_i32 r_mop = tcg_const_i32(MO_UB);
2450 TCGv_i64 s64, t64;
2451
2452 save_state(dc);
2453 t64 = tcg_temp_new_i64();
2454 gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2455
2456 s64 = tcg_const_i64(0xff);
2457 gen_helper_st_asi(cpu_env, addr, s64, r_asi, r_mop);
2458 tcg_temp_free_i64(s64);
2459 tcg_temp_free_i32(r_mop);
2460 tcg_temp_free_i32(r_asi);
2461
2462 tcg_gen_trunc_i64_tl(dst, t64);
2463 tcg_temp_free_i64(t64);
2464
2465 /* End the TB. */
2466 dc->npc = DYNAMIC_PC;
2467 }
2468 break;
2469 }
2470 }
2471 #endif
2472
2473 #ifdef TARGET_SPARC64
2474 static void gen_ldf_asi(DisasContext *dc, TCGv addr,
2475 int insn, int size, int rd)
2476 {
2477 DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEQ));
2478 TCGv_i32 d32;
2479 TCGv_i64 d64;
2480
2481 switch (da.type) {
2482 case GET_ASI_EXCP:
2483 break;
2484
2485 case GET_ASI_DIRECT:
2486 gen_address_mask(dc, addr);
2487 switch (size) {
2488 case 4:
2489 d32 = gen_dest_fpr_F(dc);
2490 tcg_gen_qemu_ld_i32(d32, addr, da.mem_idx, da.memop);
2491 gen_store_fpr_F(dc, rd, d32);
2492 break;
2493 case 8:
2494 tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2495 da.memop | MO_ALIGN_4);
2496 break;
2497 case 16:
2498 d64 = tcg_temp_new_i64();
2499 tcg_gen_qemu_ld_i64(d64, addr, da.mem_idx, da.memop | MO_ALIGN_4);
2500 tcg_gen_addi_tl(addr, addr, 8);
2501 tcg_gen_qemu_ld_i64(cpu_fpr[rd/2+1], addr, da.mem_idx,
2502 da.memop | MO_ALIGN_4);
2503 tcg_gen_mov_i64(cpu_fpr[rd / 2], d64);
2504 tcg_temp_free_i64(d64);
2505 break;
2506 default:
2507 g_assert_not_reached();
2508 }
2509 break;
2510
2511 case GET_ASI_BLOCK:
2512 /* Valid for lddfa on aligned registers only. */
2513 if (size == 8 && (rd & 7) == 0) {
2514 MemOp memop;
2515 TCGv eight;
2516 int i;
2517
2518 gen_address_mask(dc, addr);
2519
2520 /* The first operation checks required alignment. */
2521 memop = da.memop | MO_ALIGN_64;
2522 eight = tcg_const_tl(8);
2523 for (i = 0; ; ++i) {
2524 tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2 + i], addr,
2525 da.mem_idx, memop);
2526 if (i == 7) {
2527 break;
2528 }
2529 tcg_gen_add_tl(addr, addr, eight);
2530 memop = da.memop;
2531 }
2532 tcg_temp_free(eight);
2533 } else {
2534 gen_exception(dc, TT_ILL_INSN);
2535 }
2536 break;
2537
2538 case GET_ASI_SHORT:
2539 /* Valid for lddfa only. */
2540 if (size == 8) {
2541 gen_address_mask(dc, addr);
2542 tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
2543 } else {
2544 gen_exception(dc, TT_ILL_INSN);
2545 }
2546 break;
2547
2548 default:
2549 {
2550 TCGv_i32 r_asi = tcg_const_i32(da.asi);
2551 TCGv_i32 r_mop = tcg_const_i32(da.memop);
2552
2553 save_state(dc);
2554 /* According to the table in the UA2011 manual, the only
2555 other asis that are valid for ldfa/lddfa/ldqfa are
2556 the NO_FAULT asis. We still need a helper for these,
2557 but we can just use the integer asi helper for them. */
2558 switch (size) {
2559 case 4:
2560 d64 = tcg_temp_new_i64();
2561 gen_helper_ld_asi(d64, cpu_env, addr, r_asi, r_mop);
2562 d32 = gen_dest_fpr_F(dc);
2563 tcg_gen_extrl_i64_i32(d32, d64);
2564 tcg_temp_free_i64(d64);
2565 gen_store_fpr_F(dc, rd, d32);
2566 break;
2567 case 8:
2568 gen_helper_ld_asi(cpu_fpr[rd / 2], cpu_env, addr, r_asi, r_mop);
2569 break;
2570 case 16:
2571 d64 = tcg_temp_new_i64();
2572 gen_helper_ld_asi(d64, cpu_env, addr, r_asi, r_mop);
2573 tcg_gen_addi_tl(addr, addr, 8);
2574 gen_helper_ld_asi(cpu_fpr[rd/2+1], cpu_env, addr, r_asi, r_mop);
2575 tcg_gen_mov_i64(cpu_fpr[rd / 2], d64);
2576 tcg_temp_free_i64(d64);
2577 break;
2578 default:
2579 g_assert_not_reached();
2580 }
2581 tcg_temp_free_i32(r_mop);
2582 tcg_temp_free_i32(r_asi);
2583 }
2584 break;
2585 }
2586 }
2587
2588 static void gen_stf_asi(DisasContext *dc, TCGv addr,
2589 int insn, int size, int rd)
2590 {
2591 DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEQ));
2592 TCGv_i32 d32;
2593
2594 switch (da.type) {
2595 case GET_ASI_EXCP:
2596 break;
2597
2598 case GET_ASI_DIRECT:
2599 gen_address_mask(dc, addr);
2600 switch (size) {
2601 case 4:
2602 d32 = gen_load_fpr_F(dc, rd);
2603 tcg_gen_qemu_st_i32(d32, addr, da.mem_idx, da.memop);
2604 break;
2605 case 8:
2606 tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2607 da.memop | MO_ALIGN_4);
2608 break;
2609 case 16:
2610 /* Only 4-byte alignment required. However, it is legal for the
2611 cpu to signal the alignment fault, and the OS trap handler is
2612 required to fix it up. Requiring 16-byte alignment here avoids
2613 having to probe the second page before performing the first
2614 write. */
2615 tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2616 da.memop | MO_ALIGN_16);
2617 tcg_gen_addi_tl(addr, addr, 8);
2618 tcg_gen_qemu_st_i64(cpu_fpr[rd/2+1], addr, da.mem_idx, da.memop);
2619 break;
2620 default:
2621 g_assert_not_reached();
2622 }
2623 break;
2624
2625 case GET_ASI_BLOCK:
2626 /* Valid for stdfa on aligned registers only. */
2627 if (size == 8 && (rd & 7) == 0) {
2628 MemOp memop;
2629 TCGv eight;
2630 int i;
2631
2632 gen_address_mask(dc, addr);
2633
2634 /* The first operation checks required alignment. */
2635 memop = da.memop | MO_ALIGN_64;
2636 eight = tcg_const_tl(8);
2637 for (i = 0; ; ++i) {
2638 tcg_gen_qemu_st_i64(cpu_fpr[rd / 2 + i], addr,
2639 da.mem_idx, memop);
2640 if (i == 7) {
2641 break;
2642 }
2643 tcg_gen_add_tl(addr, addr, eight);
2644 memop = da.memop;
2645 }
2646 tcg_temp_free(eight);
2647 } else {
2648 gen_exception(dc, TT_ILL_INSN);
2649 }
2650 break;
2651
2652 case GET_ASI_SHORT:
2653 /* Valid for stdfa only. */
2654 if (size == 8) {
2655 gen_address_mask(dc, addr);
2656 tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
2657 } else {
2658 gen_exception(dc, TT_ILL_INSN);
2659 }
2660 break;
2661
2662 default:
2663 /* According to the table in the UA2011 manual, the only
2664 other asis that are valid for ldfa/lddfa/ldqfa are
2665 the PST* asis, which aren't currently handled. */
2666 gen_exception(dc, TT_ILL_INSN);
2667 break;
2668 }
2669 }
2670
2671 static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
2672 {
2673 DisasASI da = get_asi(dc, insn, MO_TEQ);
2674 TCGv_i64 hi = gen_dest_gpr(dc, rd);
2675 TCGv_i64 lo = gen_dest_gpr(dc, rd + 1);
2676
2677 switch (da.type) {
2678 case GET_ASI_EXCP:
2679 return;
2680
2681 case GET_ASI_DTWINX:
2682 gen_address_mask(dc, addr);
2683 tcg_gen_qemu_ld_i64(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16);
2684 tcg_gen_addi_tl(addr, addr, 8);
2685 tcg_gen_qemu_ld_i64(lo, addr, da.mem_idx, da.memop);
2686 break;
2687
2688 case GET_ASI_DIRECT:
2689 {
2690 TCGv_i64 tmp = tcg_temp_new_i64();
2691
2692 gen_address_mask(dc, addr);
2693 tcg_gen_qemu_ld_i64(tmp, addr, da.mem_idx, da.memop);
2694
2695 /* Note that LE ldda acts as if each 32-bit register
2696 result is byte swapped. Having just performed one
2697 64-bit bswap, we need now to swap the writebacks. */
2698 if ((da.memop & MO_BSWAP) == MO_TE) {
2699 tcg_gen_extr32_i64(lo, hi, tmp);
2700 } else {
2701 tcg_gen_extr32_i64(hi, lo, tmp);
2702 }
2703 tcg_temp_free_i64(tmp);
2704 }
2705 break;
2706
2707 default:
2708 /* ??? In theory we've handled all of the ASIs that are valid
2709 for ldda, and this should raise DAE_invalid_asi. However,
2710 real hardware allows others. This can be seen with e.g.
2711 FreeBSD 10.3 wrt ASI_IC_TAG. */
2712 {
2713 TCGv_i32 r_asi = tcg_const_i32(da.asi);
2714 TCGv_i32 r_mop = tcg_const_i32(da.memop);
2715 TCGv_i64 tmp = tcg_temp_new_i64();
2716
2717 save_state(dc);
2718 gen_helper_ld_asi(tmp, cpu_env, addr, r_asi, r_mop);
2719 tcg_temp_free_i32(r_asi);
2720 tcg_temp_free_i32(r_mop);
2721
2722 /* See above. */
2723 if ((da.memop & MO_BSWAP) == MO_TE) {
2724 tcg_gen_extr32_i64(lo, hi, tmp);
2725 } else {
2726 tcg_gen_extr32_i64(hi, lo, tmp);
2727 }
2728 tcg_temp_free_i64(tmp);
2729 }
2730 break;
2731 }
2732
2733 gen_store_gpr(dc, rd, hi);
2734 gen_store_gpr(dc, rd + 1, lo);
2735 }
2736
2737 static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2738 int insn, int rd)
2739 {
2740 DisasASI da = get_asi(dc, insn, MO_TEQ);
2741 TCGv lo = gen_load_gpr(dc, rd + 1);
2742
2743 switch (da.type) {
2744 case GET_ASI_EXCP:
2745 break;
2746
2747 case GET_ASI_DTWINX:
2748 gen_address_mask(dc, addr);
2749 tcg_gen_qemu_st_i64(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16);
2750 tcg_gen_addi_tl(addr, addr, 8);
2751 tcg_gen_qemu_st_i64(lo, addr, da.mem_idx, da.memop);
2752 break;
2753
2754 case GET_ASI_DIRECT:
2755 {
2756 TCGv_i64 t64 = tcg_temp_new_i64();
2757
2758 /* Note that LE stda acts as if each 32-bit register result is
2759 byte swapped. We will perform one 64-bit LE store, so now
2760 we must swap the order of the construction. */
2761 if ((da.memop & MO_BSWAP) == MO_TE) {
2762 tcg_gen_concat32_i64(t64, lo, hi);
2763 } else {
2764 tcg_gen_concat32_i64(t64, hi, lo);
2765 }
2766 gen_address_mask(dc, addr);
2767 tcg_gen_qemu_st_i64(t64, addr, da.mem_idx, da.memop);
2768 tcg_temp_free_i64(t64);
2769 }
2770 break;
2771
2772 default:
2773 /* ??? In theory we've handled all of the ASIs that are valid
2774 for stda, and this should raise DAE_invalid_asi. */
2775 {
2776 TCGv_i32 r_asi = tcg_const_i32(da.asi);
2777 TCGv_i32 r_mop = tcg_const_i32(da.memop);
2778 TCGv_i64 t64 = tcg_temp_new_i64();
2779
2780 /* See above. */
2781 if ((da.memop & MO_BSWAP) == MO_TE) {
2782 tcg_gen_concat32_i64(t64, lo, hi);
2783 } else {
2784 tcg_gen_concat32_i64(t64, hi, lo);
2785 }
2786
2787 save_state(dc);
2788 gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2789 tcg_temp_free_i32(r_mop);
2790 tcg_temp_free_i32(r_asi);
2791 tcg_temp_free_i64(t64);
2792 }
2793 break;
2794 }
2795 }
2796
2797 static void gen_casx_asi(DisasContext *dc, TCGv addr, TCGv cmpv,
2798 int insn, int rd)
2799 {
2800 DisasASI da = get_asi(dc, insn, MO_TEQ);
2801 TCGv oldv;
2802
2803 switch (da.type) {
2804 case GET_ASI_EXCP:
2805 return;
2806 case GET_ASI_DIRECT:
2807 oldv = tcg_temp_new();
2808 tcg_gen_atomic_cmpxchg_tl(oldv, addr, cmpv, gen_load_gpr(dc, rd),
2809 da.mem_idx, da.memop);
2810 gen_store_gpr(dc, rd, oldv);
2811 tcg_temp_free(oldv);
2812 break;
2813 default:
2814 /* ??? Should be DAE_invalid_asi. */
2815 gen_exception(dc, TT_DATA_ACCESS);
2816 break;
2817 }
2818 }
2819
2820 #elif !defined(CONFIG_USER_ONLY)
2821 static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
2822 {
2823 /* ??? Work around an apparent bug in Ubuntu gcc 4.8.2-10ubuntu2+12,
2824 whereby "rd + 1" elicits "error: array subscript is above array".
2825 Since we have already asserted that rd is even, the semantics
2826 are unchanged. */
2827 TCGv lo = gen_dest_gpr(dc, rd | 1);
2828 TCGv hi = gen_dest_gpr(dc, rd);
2829 TCGv_i64 t64 = tcg_temp_new_i64();
2830 DisasASI da = get_asi(dc, insn, MO_TEQ);
2831
2832 switch (da.type) {
2833 case GET_ASI_EXCP:
2834 tcg_temp_free_i64(t64);
2835 return;
2836 case GET_ASI_DIRECT:
2837 gen_address_mask(dc, addr);
2838 tcg_gen_qemu_ld_i64(t64, addr, da.mem_idx, da.memop);
2839 break;
2840 default:
2841 {
2842 TCGv_i32 r_asi = tcg_const_i32(da.asi);
2843 TCGv_i32 r_mop = tcg_const_i32(MO_Q);
2844
2845 save_state(dc);
2846 gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2847 tcg_temp_free_i32(r_mop);
2848 tcg_temp_free_i32(r_asi);
2849 }
2850 break;
2851 }
2852
2853 tcg_gen_extr_i64_i32(lo, hi, t64);
2854 tcg_temp_free_i64(t64);
2855 gen_store_gpr(dc, rd | 1, lo);
2856 gen_store_gpr(dc, rd, hi);
2857 }
2858
2859 static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2860 int insn, int rd)
2861 {
2862 DisasASI da = get_asi(dc, insn, MO_TEQ);
2863 TCGv lo = gen_load_gpr(dc, rd + 1);
2864 TCGv_i64 t64 = tcg_temp_new_i64();
2865
2866 tcg_gen_concat_tl_i64(t64, lo, hi);
2867
2868 switch (da.type) {
2869 case GET_ASI_EXCP:
2870 break;
2871 case GET_ASI_DIRECT:
2872 gen_address_mask(dc, addr);
2873 tcg_gen_qemu_st_i64(t64, addr, da.mem_idx, da.memop);
2874 break;
2875 case GET_ASI_BFILL:
2876 /* Store 32 bytes of T64 to ADDR. */
2877 /* ??? The original qemu code suggests 8-byte alignment, dropping
2878 the low bits, but the only place I can see this used is in the
2879 Linux kernel with 32 byte alignment, which would make more sense
2880 as a cacheline-style operation. */
2881 {
2882 TCGv d_addr = tcg_temp_new();
2883 TCGv eight = tcg_const_tl(8);
2884 int i;
2885
2886 tcg_gen_andi_tl(d_addr, addr, -8);
2887 for (i = 0; i < 32; i += 8) {
2888 tcg_gen_qemu_st_i64(t64, d_addr, da.mem_idx, da.memop);
2889 tcg_gen_add_tl(d_addr, d_addr, eight);
2890 }
2891
2892 tcg_temp_free(d_addr);
2893 tcg_temp_free(eight);
2894 }
2895 break;
2896 default:
2897 {
2898 TCGv_i32 r_asi = tcg_const_i32(da.asi);
2899 TCGv_i32 r_mop = tcg_const_i32(MO_Q);
2900
2901 save_state(dc);
2902 gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2903 tcg_temp_free_i32(r_mop);
2904 tcg_temp_free_i32(r_asi);
2905 }
2906 break;
2907 }
2908
2909 tcg_temp_free_i64(t64);
2910 }
2911 #endif
2912
2913 static TCGv get_src1(DisasContext *dc, unsigned int insn)
2914 {
2915 unsigned int rs1 = GET_FIELD(insn, 13, 17);
2916 return gen_load_gpr(dc, rs1);
2917 }
2918
2919 static TCGv get_src2(DisasContext *dc, unsigned int insn)
2920 {
2921 if (IS_IMM) { /* immediate */
2922 target_long simm = GET_FIELDs(insn, 19, 31);
2923 TCGv t = get_temp_tl(dc);
2924 tcg_gen_movi_tl(t, simm);
2925 return t;
2926 } else { /* register */
2927 unsigned int rs2 = GET_FIELD(insn, 27, 31);
2928 return gen_load_gpr(dc, rs2);
2929 }
2930 }
2931
2932 #ifdef TARGET_SPARC64
2933 static void gen_fmovs(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2934 {
2935 TCGv_i32 c32, zero, dst, s1, s2;
2936
2937 /* We have two choices here: extend the 32 bit data and use movcond_i64,
2938 or fold the comparison down to 32 bits and use movcond_i32. Choose
2939 the later. */
2940 c32 = tcg_temp_new_i32();
2941 if (cmp->is_bool) {
2942 tcg_gen_extrl_i64_i32(c32, cmp->c1);
2943 } else {
2944 TCGv_i64 c64 = tcg_temp_new_i64();
2945 tcg_gen_setcond_i64(cmp->cond, c64, cmp->c1, cmp->c2);
2946 tcg_gen_extrl_i64_i32(c32, c64);
2947 tcg_temp_free_i64(c64);
2948 }
2949
2950 s1 = gen_load_fpr_F(dc, rs);
2951 s2 = gen_load_fpr_F(dc, rd);
2952 dst = gen_dest_fpr_F(dc);
2953 zero = tcg_const_i32(0);
2954
2955 tcg_gen_movcond_i32(TCG_COND_NE, dst, c32, zero, s1, s2);
2956
2957 tcg_temp_free_i32(c32);
2958 tcg_temp_free_i32(zero);
2959 gen_store_fpr_F(dc, rd, dst);
2960 }
2961
2962 static void gen_fmovd(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2963 {
2964 TCGv_i64 dst = gen_dest_fpr_D(dc, rd);
2965 tcg_gen_movcond_i64(cmp->cond, dst, cmp->c1, cmp->c2,
2966 gen_load_fpr_D(dc, rs),
2967 gen_load_fpr_D(dc, rd));
2968 gen_store_fpr_D(dc, rd, dst);
2969 }
2970
2971 static void gen_fmovq(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2972 {
2973 int qd = QFPREG(rd);
2974 int qs = QFPREG(rs);
2975
2976 tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2], cmp->c1, cmp->c2,
2977 cpu_fpr[qs / 2], cpu_fpr[qd / 2]);
2978 tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2 + 1], cmp->c1, cmp->c2,
2979 cpu_fpr[qs / 2 + 1], cpu_fpr[qd / 2 + 1]);
2980
2981 gen_update_fprs_dirty(dc, qd);
2982 }
2983
2984 #ifndef CONFIG_USER_ONLY
2985 static inline void gen_load_trap_state_at_tl(TCGv_ptr r_tsptr, TCGv_env cpu_env)
2986 {
2987 TCGv_i32 r_tl = tcg_temp_new_i32();
2988
2989 /* load env->tl into r_tl */
2990 tcg_gen_ld_i32(r_tl, cpu_env, offsetof(CPUSPARCState, tl));
2991
2992 /* tl = [0 ... MAXTL_MASK] where MAXTL_MASK must be power of 2 */
2993 tcg_gen_andi_i32(r_tl, r_tl, MAXTL_MASK);
2994
2995 /* calculate offset to current trap state from env->ts, reuse r_tl */
2996 tcg_gen_muli_i32(r_tl, r_tl, sizeof (trap_state));
2997 tcg_gen_addi_ptr(r_tsptr, cpu_env, offsetof(CPUSPARCState, ts));
2998
2999 /* tsptr = env->ts[env->tl & MAXTL_MASK] */
3000 {
3001 TCGv_ptr r_tl_tmp = tcg_temp_new_ptr();
3002 tcg_gen_ext_i32_ptr(r_tl_tmp, r_tl);
3003 tcg_gen_add_ptr(r_tsptr, r_tsptr, r_tl_tmp);
3004 tcg_temp_free_ptr(r_tl_tmp);
3005 }
3006
3007 tcg_temp_free_i32(r_tl);
3008 }
3009 #endif
3010
3011 static void gen_edge(DisasContext *dc, TCGv dst, TCGv s1, TCGv s2,
3012 int width, bool cc, bool left)
3013 {
3014 TCGv lo1, lo2, t1, t2;
3015 uint64_t amask, tabl, tabr;
3016 int shift, imask, omask;
3017
3018 if (cc) {
3019 tcg_gen_mov_tl(cpu_cc_src, s1);
3020 tcg_gen_mov_tl(cpu_cc_src2, s2);
3021 tcg_gen_sub_tl(cpu_cc_dst, s1, s2);
3022 tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
3023 dc->cc_op = CC_OP_SUB;
3024 }
3025
3026 /* Theory of operation: there are two tables, left and right (not to
3027 be confused with the left and right versions of the opcode). These
3028 are indexed by the low 3 bits of the inputs. To make things "easy",
3029 these tables are loaded into two constants, TABL and TABR below.
3030 The operation index = (input & imask) << shift calculates the index
3031 into the constant, while val = (table >> index) & omask calculates
3032 the value we're looking for. */
3033 switch (width) {
3034 case 8:
3035 imask = 0x7;
3036 shift = 3;
3037 omask = 0xff;
3038 if (left) {
3039 tabl = 0x80c0e0f0f8fcfeffULL;
3040 tabr = 0xff7f3f1f0f070301ULL;
3041 } else {
3042 tabl = 0x0103070f1f3f7fffULL;
3043 tabr = 0xfffefcf8f0e0c080ULL;
3044 }
3045 break;
3046 case 16:
3047 imask = 0x6;
3048 shift = 1;
3049 omask = 0xf;
3050 if (left) {
3051 tabl = 0x8cef;
3052 tabr = 0xf731;
3053 } else {
3054 tabl = 0x137f;
3055 tabr = 0xfec8;
3056 }
3057 break;
3058 case 32:
3059 imask = 0x4;
3060 shift = 0;
3061 omask = 0x3;
3062 if (left) {
3063 tabl = (2 << 2) | 3;
3064 tabr = (3 << 2) | 1;
3065 } else {
3066 tabl = (1 << 2) | 3;
3067 tabr = (3 << 2) | 2;
3068 }
3069 break;
3070 default:
3071 abort();
3072 }
3073
3074 lo1 = tcg_temp_new();
3075 lo2 = tcg_temp_new();
3076 tcg_gen_andi_tl(lo1, s1, imask);
3077 tcg_gen_andi_tl(lo2, s2, imask);
3078 tcg_gen_shli_tl(lo1, lo1, shift);
3079 tcg_gen_shli_tl(lo2, lo2, shift);
3080
3081 t1 = tcg_const_tl(tabl);
3082 t2 = tcg_const_tl(tabr);
3083 tcg_gen_shr_tl(lo1, t1, lo1);
3084 tcg_gen_shr_tl(lo2, t2, lo2);
3085 tcg_gen_andi_tl(dst, lo1, omask);
3086 tcg_gen_andi_tl(lo2, lo2, omask);
3087
3088 amask = -8;
3089 if (AM_CHECK(dc)) {
3090 amask &= 0xffffffffULL;
3091 }
3092 tcg_gen_andi_tl(s1, s1, amask);
3093 tcg_gen_andi_tl(s2, s2, amask);
3094
3095 /* We want to compute
3096 dst = (s1 == s2 ? lo1 : lo1 & lo2).
3097 We've already done dst = lo1, so this reduces to
3098 dst &= (s1 == s2 ? -1 : lo2)
3099 Which we perform by
3100 lo2 |= -(s1 == s2)
3101 dst &= lo2
3102 */
3103 tcg_gen_setcond_tl(TCG_COND_EQ, t1, s1, s2);
3104 tcg_gen_neg_tl(t1, t1);
3105 tcg_gen_or_tl(lo2, lo2, t1);
3106 tcg_gen_and_tl(dst, dst, lo2);
3107
3108 tcg_temp_free(lo1);
3109 tcg_temp_free(lo2);
3110 tcg_temp_free(t1);
3111 tcg_temp_free(t2);
3112 }
3113
3114 static void gen_alignaddr(TCGv dst, TCGv s1, TCGv s2, bool left)
3115 {
3116 TCGv tmp = tcg_temp_new();
3117
3118 tcg_gen_add_tl(tmp, s1, s2);
3119 tcg_gen_andi_tl(dst, tmp, -8);
3120 if (left) {
3121 tcg_gen_neg_tl(tmp, tmp);
3122 }
3123 tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, tmp, 0, 3);
3124
3125 tcg_temp_free(tmp);
3126 }
3127
3128 static void gen_faligndata(TCGv dst, TCGv gsr, TCGv s1, TCGv s2)
3129 {
3130 TCGv t1, t2, shift;
3131
3132 t1 = tcg_temp_new();
3133 t2 = tcg_temp_new();
3134 shift = tcg_temp_new();
3135
3136 tcg_gen_andi_tl(shift, gsr, 7);
3137 tcg_gen_shli_tl(shift, shift, 3);
3138 tcg_gen_shl_tl(t1, s1, shift);
3139
3140 /* A shift of 64 does not produce 0 in TCG. Divide this into a
3141 shift of (up to 63) followed by a constant shift of 1. */
3142 tcg_gen_xori_tl(shift, shift, 63);
3143 tcg_gen_shr_tl(t2, s2, shift);
3144 tcg_gen_shri_tl(t2, t2, 1);
3145
3146 tcg_gen_or_tl(dst, t1, t2);
3147
3148 tcg_temp_free(t1);
3149 tcg_temp_free(t2);
3150 tcg_temp_free(shift);
3151 }
3152 #endif
3153
3154 #define CHECK_IU_FEATURE(dc, FEATURE) \
3155 if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \
3156 goto illegal_insn;
3157 #define CHECK_FPU_FEATURE(dc, FEATURE) \
3158 if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \
3159 goto nfpu_insn;
3160
3161 /* before an instruction, dc->pc must be static */
3162 static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
3163 {
3164 unsigned int opc, rs1, rs2, rd;
3165 TCGv cpu_src1, cpu_src2;
3166 TCGv_i32 cpu_src1_32, cpu_src2_32, cpu_dst_32;
3167 TCGv_i64 cpu_src1_64, cpu_src2_64, cpu_dst_64;
3168 target_long simm;
3169
3170 opc = GET_FIELD(insn, 0, 1);
3171 rd = GET_FIELD(insn, 2, 6);
3172
3173 switch (opc) {
3174 case 0: /* branches/sethi */
3175 {
3176 unsigned int xop = GET_FIELD(insn, 7, 9);
3177 int32_t target;
3178 switch (xop) {
3179 #ifdef TARGET_SPARC64
3180 case 0x1: /* V9 BPcc */
3181 {
3182 int cc;
3183
3184 target = GET_FIELD_SP(insn, 0, 18);
3185 target = sign_extend(target, 19);
3186 target <<= 2;
3187 cc = GET_FIELD_SP(insn, 20, 21);
3188 if (cc == 0)
3189 do_branch(dc, target, insn, 0);
3190 else if (cc == 2)
3191 do_branch(dc, target, insn, 1);
3192 else
3193 goto illegal_insn;
3194 goto jmp_insn;
3195 }
3196 case 0x3: /* V9 BPr */
3197 {
3198 target = GET_FIELD_SP(insn, 0, 13) |
3199 (GET_FIELD_SP(insn, 20, 21) << 14);
3200 target = sign_extend(target, 16);
3201 target <<= 2;
3202 cpu_src1 = get_src1(dc, insn);
3203 do_branch_reg(dc, target, insn, cpu_src1);
3204 goto jmp_insn;
3205 }
3206 case 0x5: /* V9 FBPcc */
3207 {
3208 int cc = GET_FIELD_SP(insn, 20, 21);
3209 if (gen_trap_ifnofpu(dc)) {
3210 goto jmp_insn;
3211 }
3212 target = GET_FIELD_SP(insn, 0, 18);
3213 target = sign_extend(target, 19);
3214 target <<= 2;
3215 do_fbranch(dc, target, insn, cc);
3216 goto jmp_insn;
3217 }
3218 #else
3219 case 0x7: /* CBN+x */
3220 {
3221 goto ncp_insn;
3222 }
3223 #endif
3224 case 0x2: /* BN+x */
3225 {
3226 target = GET_FIELD(insn, 10, 31);
3227 target = sign_extend(target, 22);
3228 target <<= 2;
3229 do_branch(dc, target, insn, 0);
3230 goto jmp_insn;
3231 }
3232 case 0x6: /* FBN+x */
3233 {
3234 if (gen_trap_ifnofpu(dc)) {
3235 goto jmp_insn;
3236 }
3237 target = GET_FIELD(insn, 10, 31);
3238 target = sign_extend(target, 22);
3239 target <<= 2;
3240 do_fbranch(dc, target, insn, 0);
3241 goto jmp_insn;
3242 }
3243 case 0x4: /* SETHI */
3244 /* Special-case %g0 because that's the canonical nop. */
3245 if (rd) {
3246 uint32_t value = GET_FIELD(insn, 10, 31);
3247 TCGv t = gen_dest_gpr(dc, rd);
3248 tcg_gen_movi_tl(t, value << 10);
3249 gen_store_gpr(dc, rd, t);
3250 }
3251 break;
3252 case 0x0: /* UNIMPL */
3253 default:
3254 goto illegal_insn;
3255 }
3256 break;
3257 }
3258 break;
3259 case 1: /*CALL*/
3260 {
3261 target_long target = GET_FIELDs(insn, 2, 31) << 2;
3262 TCGv o7 = gen_dest_gpr(dc, 15);
3263
3264 tcg_gen_movi_tl(o7, dc->pc);
3265 gen_store_gpr(dc, 15, o7);
3266 target += dc->pc;
3267 gen_mov_pc_npc(dc);
3268 #ifdef TARGET_SPARC64
3269 if (unlikely(AM_CHECK(dc))) {
3270 target &= 0xffffffffULL;
3271 }
3272 #endif
3273 dc->npc = target;
3274 }
3275 goto jmp_insn;
3276 case 2: /* FPU & Logical Operations */
3277 {
3278 unsigned int xop = GET_FIELD(insn, 7, 12);
3279 TCGv cpu_dst = get_temp_tl(dc);
3280 TCGv cpu_tmp0;
3281
3282 if (xop == 0x3a) { /* generate trap */
3283 int cond = GET_FIELD(insn, 3, 6);
3284 TCGv_i32 trap;
3285 TCGLabel *l1 = NULL;
3286 int mask;
3287
3288 if (cond == 0) {
3289 /* Trap never. */
3290 break;
3291 }
3292
3293 save_state(dc);
3294
3295 if (cond != 8) {
3296 /* Conditional trap. */
3297 DisasCompare cmp;
3298 #ifdef TARGET_SPARC64
3299 /* V9 icc/xcc */
3300 int cc = GET_FIELD_SP(insn, 11, 12);
3301 if (cc == 0) {
3302 gen_compare(&cmp, 0, cond, dc);
3303 } else if (cc == 2) {
3304 gen_compare(&cmp, 1, cond, dc);
3305 } else {
3306 goto illegal_insn;
3307 }
3308 #else
3309 gen_compare(&cmp, 0, cond, dc);
3310 #endif
3311 l1 = gen_new_label();
3312 tcg_gen_brcond_tl(tcg_invert_cond(cmp.cond),
3313 cmp.c1, cmp.c2, l1);
3314 free_compare(&cmp);
3315 }
3316
3317 mask = ((dc->def->features & CPU_FEATURE_HYPV) && supervisor(dc)
3318 ? UA2005_HTRAP_MASK : V8_TRAP_MASK);
3319
3320 /* Don't use the normal temporaries, as they may well have
3321 gone out of scope with the branch above. While we're
3322 doing that we might as well pre-truncate to 32-bit. */
3323 trap = tcg_temp_new_i32();
3324
3325 rs1 = GET_FIELD_SP(insn, 14, 18);
3326 if (IS_IMM) {
3327 rs2 = GET_FIELD_SP(insn, 0, 7);
3328 if (rs1 == 0) {
3329 tcg_gen_movi_i32(trap, (rs2 & mask) + TT_TRAP);
3330 /* Signal that the trap value is fully constant. */
3331 mask = 0;
3332 } else {
3333 TCGv t1 = gen_load_gpr(dc, rs1);
3334 tcg_gen_trunc_tl_i32(trap, t1);
3335 tcg_gen_addi_i32(trap, trap, rs2);
3336 }
3337 } else {
3338 TCGv t1, t2;
3339 rs2 = GET_FIELD_SP(insn, 0, 4);
3340 t1 = gen_load_gpr(dc, rs1);
3341 t2 = gen_load_gpr(dc, rs2);
3342 tcg_gen_add_tl(t1, t1, t2);
3343 tcg_gen_trunc_tl_i32(trap, t1);
3344 }
3345 if (mask != 0) {
3346 tcg_gen_andi_i32(trap, trap, mask);
3347 tcg_gen_addi_i32(trap, trap, TT_TRAP);
3348 }
3349
3350 gen_helper_raise_exception(cpu_env, trap);
3351 tcg_temp_free_i32(trap);
3352
3353 if (cond == 8) {
3354 /* An unconditional trap ends the TB. */
3355 dc->base.is_jmp = DISAS_NORETURN;
3356 goto jmp_insn;
3357 } else {
3358 /* A conditional trap falls through to the next insn. */
3359 gen_set_label(l1);
3360 break;
3361 }
3362 } else if (xop == 0x28) {
3363 rs1 = GET_FIELD(insn, 13, 17);
3364 switch(rs1) {
3365 case 0: /* rdy */
3366 #ifndef TARGET_SPARC64
3367 case 0x01 ... 0x0e: /* undefined in the SPARCv8
3368 manual, rdy on the microSPARC
3369 II */
3370 case 0x0f: /* stbar in the SPARCv8 manual,
3371 rdy on the microSPARC II */
3372 case 0x10 ... 0x1f: /* implementation-dependent in the
3373 SPARCv8 manual, rdy on the
3374 microSPARC II */
3375 /* Read Asr17 */
3376 if (rs1 == 0x11 && dc->def->features & CPU_FEATURE_ASR17) {
3377 TCGv t = gen_dest_gpr(dc, rd);
3378 /* Read Asr17 for a Leon3 monoprocessor */
3379 tcg_gen_movi_tl(t, (1 << 8) | (dc->def->nwindows - 1));
3380 gen_store_gpr(dc, rd, t);
3381 break;
3382 }
3383 #endif
3384 gen_store_gpr(dc, rd, cpu_y);
3385 break;
3386 #ifdef TARGET_SPARC64
3387 case 0x2: /* V9 rdccr */
3388 update_psr(dc);
3389 gen_helper_rdccr(cpu_dst, cpu_env);
3390 gen_store_gpr(dc, rd, cpu_dst);
3391 break;
3392 case 0x3: /* V9 rdasi */
3393 tcg_gen_movi_tl(cpu_dst, dc->asi);
3394 gen_store_gpr(dc, rd, cpu_dst);
3395 break;
3396 case 0x4: /* V9 rdtick */
3397 {
3398 TCGv_ptr r_tickptr;
3399 TCGv_i32 r_const;
3400
3401 r_tickptr = tcg_temp_new_ptr();
3402 r_const = tcg_const_i32(dc->mem_idx);
3403 tcg_gen_ld_ptr(r_tickptr, cpu_env,
3404 offsetof(CPUSPARCState, tick));
3405 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3406 gen_io_start();
3407 }
3408 gen_helper_tick_get_count(cpu_dst, cpu_env, r_tickptr,
3409 r_const);
3410 tcg_temp_free_ptr(r_tickptr);
3411 tcg_temp_free_i32(r_const);
3412 gen_store_gpr(dc, rd, cpu_dst);
3413 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3414 gen_io_end();
3415 }
3416 }
3417 break;
3418 case 0x5: /* V9 rdpc */
3419 {
3420 TCGv t = gen_dest_gpr(dc, rd);
3421 if (unlikely(AM_CHECK(dc))) {
3422 tcg_gen_movi_tl(t, dc->pc & 0xffffffffULL);
3423 } else {
3424 tcg_gen_movi_tl(t, dc->pc);
3425 }
3426 gen_store_gpr(dc, rd, t);
3427 }
3428 break;
3429 case 0x6: /* V9 rdfprs */
3430 tcg_gen_ext_i32_tl(cpu_dst, cpu_fprs);
3431 gen_store_gpr(dc, rd, cpu_dst);
3432 break;
3433 case 0xf: /* V9 membar */
3434 break; /* no effect */
3435 case 0x13: /* Graphics Status */
3436 if (gen_trap_ifnofpu(dc)) {
3437 goto jmp_insn;
3438 }
3439 gen_store_gpr(dc, rd, cpu_gsr);
3440 break;
3441 case 0x16: /* Softint */
3442 tcg_gen_ld32s_tl(cpu_dst, cpu_env,
3443 offsetof(CPUSPARCState, softint));
3444 gen_store_gpr(dc, rd, cpu_dst);
3445 break;
3446 case 0x17: /* Tick compare */
3447 gen_store_gpr(dc, rd, cpu_tick_cmpr);
3448 break;
3449 case 0x18: /* System tick */
3450 {
3451 TCGv_ptr r_tickptr;
3452 TCGv_i32 r_const;
3453
3454 r_tickptr = tcg_temp_new_ptr();
3455 r_const = tcg_const_i32(dc->mem_idx);
3456 tcg_gen_ld_ptr(r_tickptr, cpu_env,
3457 offsetof(CPUSPARCState, stick));
3458 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3459 gen_io_start();
3460 }
3461 gen_helper_tick_get_count(cpu_dst, cpu_env, r_tickptr,
3462 r_const);
3463 tcg_temp_free_ptr(r_tickptr);
3464 tcg_temp_free_i32(r_const);
3465 gen_store_gpr(dc, rd, cpu_dst);
3466 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3467 gen_io_end();
3468 }
3469 }
3470 break;
3471 case 0x19: /* System tick compare */
3472 gen_store_gpr(dc, rd, cpu_stick_cmpr);
3473 break;
3474 case 0x1a: /* UltraSPARC-T1 Strand status */
3475 /* XXX HYPV check maybe not enough, UA2005 & UA2007 describe
3476 * this ASR as impl. dep
3477 */
3478 CHECK_IU_FEATURE(dc, HYPV);
3479 {
3480 TCGv t = gen_dest_gpr(dc, rd);
3481 tcg_gen_movi_tl(t, 1UL);
3482 gen_store_gpr(dc, rd, t);
3483 }
3484 break;
3485 case 0x10: /* Performance Control */
3486 case 0x11: /* Performance Instrumentation Counter */
3487 case 0x12: /* Dispatch Control */
3488 case 0x14: /* Softint set, WO */
3489 case 0x15: /* Softint clear, WO */
3490 #endif
3491 default:
3492 goto illegal_insn;
3493 }
3494 #if !defined(CONFIG_USER_ONLY)
3495 } else if (xop == 0x29) { /* rdpsr / UA2005 rdhpr */
3496 #ifndef TARGET_SPARC64
3497 if (!supervisor(dc)) {
3498 goto priv_insn;
3499 }
3500 update_psr(dc);
3501 gen_helper_rdpsr(cpu_dst, cpu_env);
3502 #else
3503 CHECK_IU_FEATURE(dc, HYPV);
3504 if (!hypervisor(dc))
3505 goto priv_insn;
3506 rs1 = GET_FIELD(insn, 13, 17);
3507 switch (rs1) {
3508 case 0: // hpstate
3509 tcg_gen_ld_i64(cpu_dst, cpu_env,
3510 offsetof(CPUSPARCState, hpstate));
3511 break;
3512 case 1: // htstate
3513 // gen_op_rdhtstate();
3514 break;
3515 case 3: // hintp
3516 tcg_gen_mov_tl(cpu_dst, cpu_hintp);
3517 break;
3518 case 5: // htba
3519 tcg_gen_mov_tl(cpu_dst, cpu_htba);
3520 break;
3521 case 6: // hver
3522 tcg_gen_mov_tl(cpu_dst, cpu_hver);
3523 break;
3524 case 31: // hstick_cmpr
3525 tcg_gen_mov_tl(cpu_dst, cpu_hstick_cmpr);
3526 break;
3527 default:
3528 goto illegal_insn;
3529 }
3530 #endif
3531 gen_store_gpr(dc, rd, cpu_dst);
3532 break;
3533 } else if (xop == 0x2a) { /* rdwim / V9 rdpr */
3534 if (!supervisor(dc)) {
3535 goto priv_insn;
3536 }
3537 cpu_tmp0 = get_temp_tl(dc);
3538 #ifdef TARGET_SPARC64
3539 rs1 = GET_FIELD(insn, 13, 17);
3540 switch (rs1) {
3541 case 0: // tpc
3542 {
3543 TCGv_ptr r_tsptr;
3544
3545 r_tsptr = tcg_temp_new_ptr();
3546 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3547 tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3548 offsetof(trap_state, tpc));
3549 tcg_temp_free_ptr(r_tsptr);
3550 }
3551 break;
3552 case 1: // tnpc
3553 {
3554 TCGv_ptr r_tsptr;
3555
3556 r_tsptr = tcg_temp_new_ptr();
3557 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3558 tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3559 offsetof(trap_state, tnpc));
3560 tcg_temp_free_ptr(r_tsptr);
3561 }
3562 break;
3563 case 2: // tstate
3564 {
3565 TCGv_ptr r_tsptr;
3566
3567 r_tsptr = tcg_temp_new_ptr();
3568 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3569 tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3570 offsetof(trap_state, tstate));
3571 tcg_temp_free_ptr(r_tsptr);
3572 }
3573 break;
3574 case 3: // tt
3575 {
3576 TCGv_ptr r_tsptr = tcg_temp_new_ptr();
3577
3578 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3579 tcg_gen_ld32s_tl(cpu_tmp0, r_tsptr,
3580 offsetof(trap_state, tt));
3581 tcg_temp_free_ptr(r_tsptr);
3582 }
3583 break;
3584 case 4: // tick
3585 {
3586 TCGv_ptr r_tickptr;
3587 TCGv_i32 r_const;
3588
3589 r_tickptr = tcg_temp_new_ptr();
3590 r_const = tcg_const_i32(dc->mem_idx);
3591 tcg_gen_ld_ptr(r_tickptr, cpu_env,
3592 offsetof(CPUSPARCState, tick));
3593 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3594 gen_io_start();
3595 }
3596 gen_helper_tick_get_count(cpu_tmp0, cpu_env,
3597 r_tickptr, r_const);
3598 tcg_temp_free_ptr(r_tickptr);
3599 tcg_temp_free_i32(r_const);
3600 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3601 gen_io_end();
3602 }
3603 }
3604 break;
3605 case 5: // tba
3606 tcg_gen_mov_tl(cpu_tmp0, cpu_tbr);
3607 break;
3608 case 6: // pstate
3609 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3610 offsetof(CPUSPARCState, pstate));
3611 break;
3612 case 7: // tl
3613 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3614 offsetof(CPUSPARCState, tl));
3615 break;
3616 case 8: // pil
3617 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3618 offsetof(CPUSPARCState, psrpil));
3619 break;
3620 case 9: // cwp
3621 gen_helper_rdcwp(cpu_tmp0, cpu_env);
3622 break;
3623 case 10: // cansave
3624 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3625 offsetof(CPUSPARCState, cansave));
3626 break;
3627 case 11: // canrestore
3628 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3629 offsetof(CPUSPARCState, canrestore));
3630 break;
3631 case 12: // cleanwin
3632 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3633 offsetof(CPUSPARCState, cleanwin));
3634 break;
3635 case 13: // otherwin
3636 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3637 offsetof(CPUSPARCState, otherwin));
3638 break;
3639 case 14: // wstate
3640 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3641 offsetof(CPUSPARCState, wstate));
3642 break;
3643 case 16: // UA2005 gl
3644 CHECK_IU_FEATURE(dc, GL);
3645 tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3646 offsetof(CPUSPARCState, gl));
3647 break;
3648 case 26: // UA2005 strand status
3649 CHECK_IU_FEATURE(dc, HYPV);
3650 if (!hypervisor(dc))
3651 goto priv_insn;
3652 tcg_gen_mov_tl(cpu_tmp0, cpu_ssr);
3653 break;
3654 case 31: // ver
3655 tcg_gen_mov_tl(cpu_tmp0, cpu_ver);
3656 break;
3657 case 15: // fq
3658 default:
3659 goto illegal_insn;
3660 }
3661 #else
3662 tcg_gen_ext_i32_tl(cpu_tmp0, cpu_wim);
3663 #endif
3664 gen_store_gpr(dc, rd, cpu_tmp0);
3665 break;
3666 } else if (xop == 0x2b) { /* rdtbr / V9 flushw */
3667 #ifdef TARGET_SPARC64
3668 gen_helper_flushw(cpu_env);
3669 #else
3670 if (!supervisor(dc))
3671 goto priv_insn;
3672 gen_store_gpr(dc, rd, cpu_tbr);
3673 #endif
3674 break;
3675 #endif
3676 } else if (xop == 0x34) { /* FPU Operations */
3677 if (gen_trap_ifnofpu(dc)) {
3678 goto jmp_insn;
3679 }
3680 gen_op_clear_ieee_excp_and_FTT();
3681 rs1 = GET_FIELD(insn, 13, 17);
3682 rs2 = GET_FIELD(insn, 27, 31);
3683 xop = GET_FIELD(insn, 18, 26);
3684
3685 switch (xop) {
3686 case 0x1: /* fmovs */
3687 cpu_src1_32 = gen_load_fpr_F(dc, rs2);
3688 gen_store_fpr_F(dc, rd, cpu_src1_32);
3689 break;
3690 case 0x5: /* fnegs */
3691 gen_ne_fop_FF(dc, rd, rs2, gen_helper_fnegs);
3692 break;
3693 case 0x9: /* fabss */
3694 gen_ne_fop_FF(dc, rd, rs2, gen_helper_fabss);
3695 break;
3696 case 0x29: /* fsqrts */
3697 CHECK_FPU_FEATURE(dc, FSQRT);
3698 gen_fop_FF(dc, rd, rs2, gen_helper_fsqrts);
3699 break;
3700 case 0x2a: /* fsqrtd */
3701 CHECK_FPU_FEATURE(dc, FSQRT);
3702 gen_fop_DD(dc, rd, rs2, gen_helper_fsqrtd);
3703 break;
3704 case 0x2b: /* fsqrtq */
3705 CHECK_FPU_FEATURE(dc, FLOAT128);
3706 gen_fop_QQ(dc, rd, rs2, gen_helper_fsqrtq);
3707 break;
3708 case 0x41: /* fadds */
3709 gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fadds);
3710 break;
3711 case 0x42: /* faddd */
3712 gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_faddd);
3713 break;
3714 case 0x43: /* faddq */
3715 CHECK_FPU_FEATURE(dc, FLOAT128);
3716 gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_faddq);
3717 break;
3718 case 0x45: /* fsubs */
3719 gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fsubs);
3720 break;
3721 case 0x46: /* fsubd */
3722 gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fsubd);
3723 break;
3724 case 0x47: /* fsubq */
3725 CHECK_FPU_FEATURE(dc, FLOAT128);
3726 gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fsubq);
3727 break;
3728 case 0x49: /* fmuls */
3729 CHECK_FPU_FEATURE(dc, FMUL);
3730 gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fmuls);
3731 break;
3732 case 0x4a: /* fmuld */
3733 CHECK_FPU_FEATURE(dc, FMUL);
3734 gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld);
3735 break;
3736 case 0x4b: /* fmulq */
3737 CHECK_FPU_FEATURE(dc, FLOAT128);
3738 CHECK_FPU_FEATURE(dc, FMUL);
3739 gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fmulq);
3740 break;
3741 case 0x4d: /* fdivs */
3742 gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fdivs);
3743 break;
3744 case 0x4e: /* fdivd */
3745 gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fdivd);
3746 break;
3747 case 0x4f: /* fdivq */
3748 CHECK_FPU_FEATURE(dc, FLOAT128);
3749 gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fdivq);
3750 break;
3751 case 0x69: /* fsmuld */
3752 CHECK_FPU_FEATURE(dc, FSMULD);
3753 gen_fop_DFF(dc, rd, rs1, rs2, gen_helper_fsmuld);
3754 break;
3755 case 0x6e: /* fdmulq */
3756 CHECK_FPU_FEATURE(dc, FLOAT128);
3757 gen_fop_QDD(dc, rd, rs1, rs2, gen_helper_fdmulq);
3758 break;
3759 case 0xc4: /* fitos */
3760 gen_fop_FF(dc, rd, rs2, gen_helper_fitos);
3761 break;
3762 case 0xc6: /* fdtos */
3763 gen_fop_FD(dc, rd, rs2, gen_helper_fdtos);
3764 break;
3765 case 0xc7: /* fqtos */
3766 CHECK_FPU_FEATURE(dc, FLOAT128);
3767 gen_fop_FQ(dc, rd, rs2, gen_helper_fqtos);
3768 break;
3769 case 0xc8: /* fitod */
3770 gen_ne_fop_DF(dc, rd, rs2, gen_helper_fitod);
3771 break;
3772 case 0xc9: /* fstod */
3773 gen_ne_fop_DF(dc, rd, rs2, gen_helper_fstod);
3774 break;
3775 case 0xcb: /* fqtod */
3776 CHECK_FPU_FEATURE(dc, FLOAT128);
3777 gen_fop_DQ(dc, rd, rs2, gen_helper_fqtod);
3778 break;
3779 case 0xcc: /* fitoq */
3780 CHECK_FPU_FEATURE(dc, FLOAT128);
3781 gen_ne_fop_QF(dc, rd, rs2, gen_helper_fitoq);
3782 break;
3783 case 0xcd: /* fstoq */
3784 CHECK_FPU_FEATURE(dc, FLOAT128);
3785 gen_ne_fop_QF(dc, rd, rs2, gen_helper_fstoq);
3786 break;
3787 case 0xce: /* fdtoq */
3788 CHECK_FPU_FEATURE(dc, FLOAT128);
3789 gen_ne_fop_QD(dc, rd, rs2, gen_helper_fdtoq);
3790 break;
3791 case 0xd1: /* fstoi */
3792 gen_fop_FF(dc, rd, rs2, gen_helper_fstoi);
3793 break;
3794 case 0xd2: /* fdtoi */
3795 gen_fop_FD(dc, rd, rs2, gen_helper_fdtoi);
3796 break;
3797 case 0xd3: /* fqtoi */
3798 CHECK_FPU_FEATURE(dc, FLOAT128);
3799 gen_fop_FQ(dc, rd, rs2, gen_helper_fqtoi);
3800 break;
3801 #ifdef TARGET_SPARC64
3802 case 0x2: /* V9 fmovd */
3803 cpu_src1_64 = gen_load_fpr_D(dc, rs2);
3804 gen_store_fpr_D(dc, rd, cpu_src1_64);
3805 break;
3806 case 0x3: /* V9 fmovq */
3807 CHECK_FPU_FEATURE(dc, FLOAT128);
3808 gen_move_Q(dc, rd, rs2);
3809 break;
3810 case 0x6: /* V9 fnegd */
3811 gen_ne_fop_DD(dc, rd, rs2, gen_helper_fnegd);
3812 break;
3813 case 0x7: /* V9 fnegq */
3814 CHECK_FPU_FEATURE(dc, FLOAT128);
3815 gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fnegq);
3816 break;
3817 case 0xa: /* V9 fabsd */
3818 gen_ne_fop_DD(dc, rd, rs2, gen_helper_fabsd);
3819 break;
3820 case 0xb: /* V9 fabsq */
3821 CHECK_FPU_FEATURE(dc, FLOAT128);
3822 gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fabsq);
3823 break;
3824 case 0x81: /* V9 fstox */
3825 gen_fop_DF(dc, rd, rs2, gen_helper_fstox);
3826 break;
3827 case 0x82: /* V9 fdtox */
3828 gen_fop_DD(dc, rd, rs2, gen_helper_fdtox);
3829 break;
3830 case 0x83: /* V9 fqtox */
3831 CHECK_FPU_FEATURE(dc, FLOAT128);
3832 gen_fop_DQ(dc, rd, rs2, gen_helper_fqtox);
3833 break;
3834 case 0x84: /* V9 fxtos */
3835 gen_fop_FD(dc, rd, rs2, gen_helper_fxtos);
3836 break;
3837 case 0x88: /* V9 fxtod */
3838 gen_fop_DD(dc, rd, rs2, gen_helper_fxtod);
3839 break;
3840 case 0x8c: /* V9 fxtoq */
3841 CHECK_FPU_FEATURE(dc, FLOAT128);
3842 gen_ne_fop_QD(dc, rd, rs2, gen_helper_fxtoq);
3843 break;
3844 #endif
3845 default:
3846 goto illegal_insn;
3847 }
3848 } else if (xop == 0x35) { /* FPU Operations */
3849 #ifdef TARGET_SPARC64
3850 int cond;
3851 #endif
3852 if (gen_trap_ifnofpu(dc)) {
3853 goto jmp_insn;
3854 }
3855 gen_op_clear_ieee_excp_and_FTT();
3856 rs1 = GET_FIELD(insn, 13, 17);
3857 rs2 = GET_FIELD(insn, 27, 31);
3858 xop = GET_FIELD(insn, 18, 26);
3859
3860 #ifdef TARGET_SPARC64
3861 #define FMOVR(sz) \
3862 do { \
3863 DisasCompare cmp; \
3864 cond = GET_FIELD_SP(insn, 10, 12); \
3865 cpu_src1 = get_src1(dc, insn); \
3866 gen_compare_reg(&cmp, cond, cpu_src1); \
3867 gen_fmov##sz(dc, &cmp, rd, rs2); \
3868 free_compare(&cmp); \
3869 } while (0)
3870
3871 if ((xop & 0x11f) == 0x005) { /* V9 fmovsr */
3872 FMOVR(s);
3873 break;
3874 } else if ((xop & 0x11f) == 0x006) { // V9 fmovdr
3875 FMOVR(d);
3876 break;
3877 } else if ((xop & 0x11f) == 0x007) { // V9 fmovqr
3878 CHECK_FPU_FEATURE(dc, FLOAT128);
3879 FMOVR(q);
3880 break;
3881 }
3882 #undef FMOVR
3883 #endif
3884 switch (xop) {
3885 #ifdef TARGET_SPARC64
3886 #define FMOVCC(fcc, sz) \
3887 do { \
3888 DisasCompare cmp; \
3889 cond = GET_FIELD_SP(insn, 14, 17); \
3890 gen_fcompare(&cmp, fcc, cond); \
3891 gen_fmov##sz(dc, &cmp, rd, rs2); \
3892 free_compare(&cmp); \
3893 } while (0)
3894
3895 case 0x001: /* V9 fmovscc %fcc0 */
3896 FMOVCC(0, s);
3897 break;
3898 case 0x002: /* V9 fmovdcc %fcc0 */
3899 FMOVCC(0, d);
3900 break;
3901 case 0x003: /* V9 fmovqcc %fcc0 */
3902 CHECK_FPU_FEATURE(dc, FLOAT128);
3903 FMOVCC(0, q);
3904 break;
3905 case 0x041: /* V9 fmovscc %fcc1 */
3906 FMOVCC(1, s);
3907 break;
3908 case 0x042: /* V9 fmovdcc %fcc1 */
3909 FMOVCC(1, d);
3910 break;
3911 case 0x043: /* V9 fmovqcc %fcc1 */
3912 CHECK_FPU_FEATURE(dc, FLOAT128);
3913 FMOVCC(1, q);
3914 break;
3915 case 0x081: /* V9 fmovscc %fcc2 */
3916 FMOVCC(2, s);
3917 break;
3918 case 0x082: /* V9 fmovdcc %fcc2 */
3919 FMOVCC(2, d);
3920 break;
3921 case 0x083: /* V9 fmovqcc %fcc2 */
3922 CHECK_FPU_FEATURE(dc, FLOAT128);
3923 FMOVCC(2, q);
3924 break;
3925 case 0x0c1: /* V9 fmovscc %fcc3 */
3926 FMOVCC(3, s);
3927 break;
3928 case 0x0c2: /* V9 fmovdcc %fcc3 */
3929 FMOVCC(3, d);
3930 break;
3931 case 0x0c3: /* V9 fmovqcc %fcc3 */
3932 CHECK_FPU_FEATURE(dc, FLOAT128);
3933 FMOVCC(3, q);
3934 break;
3935 #undef FMOVCC
3936 #define FMOVCC(xcc, sz) \
3937 do { \
3938 DisasCompare cmp; \
3939 cond = GET_FIELD_SP(insn, 14, 17); \
3940 gen_compare(&cmp, xcc, cond, dc); \
3941 gen_fmov##sz(dc, &cmp, rd, rs2); \
3942 free_compare(&cmp); \
3943 } while (0)
3944
3945 case 0x101: /* V9 fmovscc %icc */
3946 FMOVCC(0, s);
3947 break;
3948 case 0x102: /* V9 fmovdcc %icc */
3949 FMOVCC(0, d);
3950 break;
3951 case 0x103: /* V9 fmovqcc %icc */
3952 CHECK_FPU_FEATURE(dc, FLOAT128);
3953 FMOVCC(0, q);
3954 break;
3955 case 0x181: /* V9 fmovscc %xcc */
3956 FMOVCC(1, s);
3957 break;
3958 case 0x182: /* V9 fmovdcc %xcc */
3959 FMOVCC(1, d);
3960 break;
3961 case 0x183: /* V9 fmovqcc %xcc */
3962 CHECK_FPU_FEATURE(dc, FLOAT128);
3963 FMOVCC(1, q);
3964 break;
3965 #undef FMOVCC
3966 #endif
3967 case 0x51: /* fcmps, V9 %fcc */
3968 cpu_src1_32 = gen_load_fpr_F(dc, rs1);
3969 cpu_src2_32 = gen_load_fpr_F(dc, rs2);
3970 gen_op_fcmps(rd & 3, cpu_src1_32, cpu_src2_32);
3971 break;
3972 case 0x52: /* fcmpd, V9 %fcc */
3973 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
3974 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
3975 gen_op_fcmpd(rd & 3, cpu_src1_64, cpu_src2_64);
3976 break;
3977 case 0x53: /* fcmpq, V9 %fcc */
3978 CHECK_FPU_FEATURE(dc, FLOAT128);
3979 gen_op_load_fpr_QT0(QFPREG(rs1));
3980 gen_op_load_fpr_QT1(QFPREG(rs2));
3981 gen_op_fcmpq(rd & 3);
3982 break;
3983 case 0x55: /* fcmpes, V9 %fcc */
3984 cpu_src1_32 = gen_load_fpr_F(dc, rs1);
3985 cpu_src2_32 = gen_load_fpr_F(dc, rs2);
3986 gen_op_fcmpes(rd & 3, cpu_src1_32, cpu_src2_32);
3987 break;
3988 case 0x56: /* fcmped, V9 %fcc */
3989 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
3990 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
3991 gen_op_fcmped(rd & 3, cpu_src1_64, cpu_src2_64);
3992 break;
3993 case 0x57: /* fcmpeq, V9 %fcc */
3994 CHECK_FPU_FEATURE(dc, FLOAT128);
3995 gen_op_load_fpr_QT0(QFPREG(rs1));
3996 gen_op_load_fpr_QT1(QFPREG(rs2));
3997 gen_op_fcmpeq(rd & 3);
3998 break;
3999 default:
4000 goto illegal_insn;
4001 }
4002 } else if (xop == 0x2) {
4003 TCGv dst = gen_dest_gpr(dc, rd);
4004 rs1 = GET_FIELD(insn, 13, 17);
4005 if (rs1 == 0) {
4006 /* clr/mov shortcut : or %g0, x, y -> mov x, y */
4007 if (IS_IMM) { /* immediate */
4008 simm = GET_FIELDs(insn, 19, 31);
4009 tcg_gen_movi_tl(dst, simm);
4010 gen_store_gpr(dc, rd, dst);
4011 } else { /* register */
4012 rs2 = GET_FIELD(insn, 27, 31);
4013 if (rs2 == 0) {
4014 tcg_gen_movi_tl(dst, 0);
4015 gen_store_gpr(dc, rd, dst);
4016 } else {
4017 cpu_src2 = gen_load_gpr(dc, rs2);
4018 gen_store_gpr(dc, rd, cpu_src2);
4019 }
4020 }
4021 } else {
4022 cpu_src1 = get_src1(dc, insn);
4023 if (IS_IMM) { /* immediate */
4024 simm = GET_FIELDs(insn, 19, 31);
4025 tcg_gen_ori_tl(dst, cpu_src1, simm);
4026 gen_store_gpr(dc, rd, dst);
4027 } else { /* register */
4028 rs2 = GET_FIELD(insn, 27, 31);
4029 if (rs2 == 0) {
4030 /* mov shortcut: or x, %g0, y -> mov x, y */
4031 gen_store_gpr(dc, rd, cpu_src1);
4032 } else {
4033 cpu_src2 = gen_load_gpr(dc, rs2);
4034 tcg_gen_or_tl(dst, cpu_src1, cpu_src2);
4035 gen_store_gpr(dc, rd, dst);
4036 }
4037 }
4038 }
4039 #ifdef TARGET_SPARC64
4040 } else if (xop == 0x25) { /* sll, V9 sllx */
4041 cpu_src1 = get_src1(dc, insn);
4042 if (IS_IMM) { /* immediate */
4043 simm = GET_FIELDs(insn, 20, 31);
4044 if (insn & (1 << 12)) {
4045 tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x3f);
4046 } else {
4047 tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x1f);
4048 }
4049 } else { /* register */
4050 rs2 = GET_FIELD(insn, 27, 31);
4051 cpu_src2 = gen_load_gpr(dc, rs2);
4052 cpu_tmp0 = get_temp_tl(dc);
4053 if (insn & (1 << 12)) {
4054 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4055 } else {
4056 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4057 }
4058 tcg_gen_shl_i64(cpu_dst, cpu_src1, cpu_tmp0);
4059 }
4060 gen_store_gpr(dc, rd, cpu_dst);
4061 } else if (xop == 0x26) { /* srl, V9 srlx */
4062 cpu_src1 = get_src1(dc, insn);
4063 if (IS_IMM) { /* immediate */
4064 simm = GET_FIELDs(insn, 20, 31);
4065 if (insn & (1 << 12)) {
4066 tcg_gen_shri_i64(cpu_dst, cpu_src1, simm & 0x3f);
4067 } else {
4068 tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
4069 tcg_gen_shri_i64(cpu_dst, cpu_dst, simm & 0x1f);
4070 }
4071 } else { /* register */
4072 rs2 = GET_FIELD(insn, 27, 31);
4073 cpu_src2 = gen_load_gpr(dc, rs2);
4074 cpu_tmp0 = get_temp_tl(dc);
4075 if (insn & (1 << 12)) {
4076 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4077 tcg_gen_shr_i64(cpu_dst, cpu_src1, cpu_tmp0);
4078 } else {
4079 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4080 tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
4081 tcg_gen_shr_i64(cpu_dst, cpu_dst, cpu_tmp0);
4082 }
4083 }
4084 gen_store_gpr(dc, rd, cpu_dst);
4085 } else if (xop == 0x27) { /* sra, V9 srax */
4086 cpu_src1 = get_src1(dc, insn);
4087 if (IS_IMM) { /* immediate */
4088 simm = GET_FIELDs(insn, 20, 31);
4089 if (insn & (1 << 12)) {
4090 tcg_gen_sari_i64(cpu_dst, cpu_src1, simm & 0x3f);
4091 } else {
4092 tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
4093 tcg_gen_sari_i64(cpu_dst, cpu_dst, simm & 0x1f);
4094 }
4095 } else { /* register */
4096 rs2 = GET_FIELD(insn, 27, 31);
4097 cpu_src2 = gen_load_gpr(dc, rs2);
4098 cpu_tmp0 = get_temp_tl(dc);
4099 if (insn & (1 << 12)) {
4100 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4101 tcg_gen_sar_i64(cpu_dst, cpu_src1, cpu_tmp0);
4102 } else {
4103 tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4104 tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
4105 tcg_gen_sar_i64(cpu_dst, cpu_dst, cpu_tmp0);
4106 }
4107 }
4108 gen_store_gpr(dc, rd, cpu_dst);
4109 #endif
4110 } else if (xop < 0x36) {
4111 if (xop < 0x20) {
4112 cpu_src1 = get_src1(dc, insn);
4113 cpu_src2 = get_src2(dc, insn);
4114 switch (xop & ~0x10) {
4115 case 0x0: /* add */
4116 if (xop & 0x10) {
4117 gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
4118 tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
4119 dc->cc_op = CC_OP_ADD;
4120 } else {
4121 tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
4122 }
4123 break;
4124 case 0x1: /* and */
4125 tcg_gen_and_tl(cpu_dst, cpu_src1, cpu_src2);
4126 if (xop & 0x10) {
4127 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4128 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4129 dc->cc_op = CC_OP_LOGIC;
4130 }
4131 break;
4132 case 0x2: /* or */
4133 tcg_gen_or_tl(cpu_dst, cpu_src1, cpu_src2);
4134 if (xop & 0x10) {
4135 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4136 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4137 dc->cc_op = CC_OP_LOGIC;
4138 }
4139 break;
4140 case 0x3: /* xor */
4141 tcg_gen_xor_tl(cpu_dst, cpu_src1, cpu_src2);
4142 if (xop & 0x10) {
4143 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4144 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4145 dc->cc_op = CC_OP_LOGIC;
4146 }
4147 break;
4148 case 0x4: /* sub */
4149 if (xop & 0x10) {
4150 gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
4151 tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
4152 dc->cc_op = CC_OP_SUB;
4153 } else {
4154 tcg_gen_sub_tl(cpu_dst, cpu_src1, cpu_src2);
4155 }
4156 break;
4157 case 0x5: /* andn */
4158 tcg_gen_andc_tl(cpu_dst, cpu_src1, cpu_src2);
4159 if (xop & 0x10) {
4160 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4161 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4162 dc->cc_op = CC_OP_LOGIC;
4163 }
4164 break;
4165 case 0x6: /* orn */
4166 tcg_gen_orc_tl(cpu_dst, cpu_src1, cpu_src2);
4167 if (xop & 0x10) {
4168 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4169 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4170 dc->cc_op = CC_OP_LOGIC;
4171 }
4172 break;
4173 case 0x7: /* xorn */
4174 tcg_gen_eqv_tl(cpu_dst, cpu_src1, cpu_src2);
4175 if (xop & 0x10) {
4176 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4177 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4178 dc->cc_op = CC_OP_LOGIC;
4179 }
4180 break;
4181 case 0x8: /* addx, V9 addc */
4182 gen_op_addx_int(dc, cpu_dst, cpu_src1, cpu_src2,
4183 (xop & 0x10));
4184 break;
4185 #ifdef TARGET_SPARC64
4186 case 0x9: /* V9 mulx */
4187 tcg_gen_mul_i64(cpu_dst, cpu_src1, cpu_src2);
4188 break;
4189 #endif
4190 case 0xa: /* umul */
4191 CHECK_IU_FEATURE(dc, MUL);
4192 gen_op_umul(cpu_dst, cpu_src1, cpu_src2);
4193 if (xop & 0x10) {
4194 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4195 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4196 dc->cc_op = CC_OP_LOGIC;
4197 }
4198 break;
4199 case 0xb: /* smul */
4200 CHECK_IU_FEATURE(dc, MUL);
4201 gen_op_smul(cpu_dst, cpu_src1, cpu_src2);
4202 if (xop & 0x10) {
4203 tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4204 tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4205 dc->cc_op = CC_OP_LOGIC;
4206 }
4207 break;
4208 case 0xc: /* subx, V9 subc */
4209 gen_op_subx_int(dc, cpu_dst, cpu_src1, cpu_src2,
4210 (xop & 0x10));
4211 break;
4212 #ifdef TARGET_SPARC64
4213 case 0xd: /* V9 udivx */
4214 gen_helper_udivx(cpu_dst, cpu_env, cpu_src1, cpu_src2);
4215 break;
4216 #endif
4217 case 0xe: /* udiv */
4218 CHECK_IU_FEATURE(dc, DIV);
4219 if (xop & 0x10) {
4220 gen_helper_udiv_cc(cpu_dst, cpu_env, cpu_src1,
4221 cpu_src2);
4222 dc->cc_op = CC_OP_DIV;
4223 } else {
4224 gen_helper_udiv(cpu_dst, cpu_env, cpu_src1,
4225 cpu_src2);
4226 }
4227 break;
4228 case 0xf: /* sdiv */
4229 CHECK_IU_FEATURE(dc, DIV);
4230 if (xop & 0x10) {
4231 gen_helper_sdiv_cc(cpu_dst, cpu_env, cpu_src1,
4232 cpu_src2);
4233 dc->cc_op = CC_OP_DIV;
4234 } else {
4235 gen_helper_sdiv(cpu_dst, cpu_env, cpu_src1,
4236 cpu_src2);
4237 }
4238 break;
4239 default:
4240 goto illegal_insn;
4241 }
4242 gen_store_gpr(dc, rd, cpu_dst);
4243 } else {
4244 cpu_src1 = get_src1(dc, insn);
4245 cpu_src2 = get_src2(dc, insn);
4246 switch (xop) {
4247 case 0x20: /* taddcc */
4248 gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
4249 gen_store_gpr(dc, rd, cpu_dst);
4250 tcg_gen_movi_i32(cpu_cc_op, CC_OP_TADD);
4251 dc->cc_op = CC_OP_TADD;
4252 break;
4253 case 0x21: /* tsubcc */
4254 gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
4255 gen_store_gpr(dc, rd, cpu_dst);
4256 tcg_gen_movi_i32(cpu_cc_op, CC_OP_TSUB);
4257 dc->cc_op = CC_OP_TSUB;
4258 break;
4259 case 0x22: /* taddcctv */
4260 gen_helper_taddcctv(cpu_dst, cpu_env,
4261 cpu_src1, cpu_src2);
4262 gen_store_gpr(dc, rd, cpu_dst);
4263 dc->cc_op = CC_OP_TADDTV;
4264 break;
4265 case 0x23: /* tsubcctv */
4266 gen_helper_tsubcctv(cpu_dst, cpu_env,
4267 cpu_src1, cpu_src2);
4268 gen_store_gpr(dc, rd, cpu_dst);
4269 dc->cc_op = CC_OP_TSUBTV;
4270 break;
4271 case 0x24: /* mulscc */
4272 update_psr(dc);
4273 gen_op_mulscc(cpu_dst, cpu_src1, cpu_src2);
4274 gen_store_gpr(dc, rd, cpu_dst);
4275 tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
4276 dc->cc_op = CC_OP_ADD;
4277 break;
4278 #ifndef TARGET_SPARC64
4279 case 0x25: /* sll */
4280 if (IS_IMM) { /* immediate */
4281 simm = GET_FIELDs(insn, 20, 31);
4282 tcg_gen_shli_tl(cpu_dst, cpu_src1, simm & 0x1f);
4283 } else { /* register */
4284 cpu_tmp0 = get_temp_tl(dc);
4285 tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4286 tcg_gen_shl_tl(cpu_dst, cpu_src1, cpu_tmp0);
4287 }
4288 gen_store_gpr(dc, rd, cpu_dst);
4289 break;
4290 case 0x26: /* srl */
4291 if (IS_IMM) { /* immediate */
4292 simm = GET_FIELDs(insn, 20, 31);
4293 tcg_gen_shri_tl(cpu_dst, cpu_src1, simm & 0x1f);
4294 } else { /* register */
4295 cpu_tmp0 = get_temp_tl(dc);
4296 tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4297 tcg_gen_shr_tl(cpu_dst, cpu_src1, cpu_tmp0);
4298 }
4299 gen_store_gpr(dc, rd, cpu_dst);
4300 break;
4301 case 0x27: /* sra */
4302 if (IS_IMM) { /* immediate */
4303 simm = GET_FIELDs(insn, 20, 31);
4304 tcg_gen_sari_tl(cpu_dst, cpu_src1, simm & 0x1f);
4305 } else { /* register */
4306 cpu_tmp0 = get_temp_tl(dc);
4307 tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4308 tcg_gen_sar_tl(cpu_dst, cpu_src1, cpu_tmp0);
4309 }
4310 gen_store_gpr(dc, rd, cpu_dst);
4311 break;
4312 #endif
4313 case 0x30:
4314 {
4315 cpu_tmp0 = get_temp_tl(dc);
4316 switch(rd) {
4317 case 0: /* wry */
4318 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4319 tcg_gen_andi_tl(cpu_y, cpu_tmp0, 0xffffffff);
4320 break;
4321 #ifndef TARGET_SPARC64
4322 case 0x01 ... 0x0f: /* undefined in the
4323 SPARCv8 manual, nop
4324 on the microSPARC
4325 II */
4326 case 0x10 ... 0x1f: /* implementation-dependent
4327 in the SPARCv8
4328 manual, nop on the
4329 microSPARC II */
4330 if ((rd == 0x13) && (dc->def->features &
4331 CPU_FEATURE_POWERDOWN)) {
4332 /* LEON3 power-down */
4333 save_state(dc);
4334 gen_helper_power_down(cpu_env);
4335 }
4336 break;
4337 #else
4338 case 0x2: /* V9 wrccr */
4339 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4340 gen_helper_wrccr(cpu_env, cpu_tmp0);
4341 tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
4342 dc->cc_op = CC_OP_FLAGS;
4343 break;
4344 case 0x3: /* V9 wrasi */
4345 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4346 tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xff);
4347 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4348 offsetof(CPUSPARCState, asi));
4349 /* End TB to notice changed ASI. */
4350 save_state(dc);
4351 gen_op_next_insn();
4352 tcg_gen_exit_tb(NULL, 0);
4353 dc->base.is_jmp = DISAS_NORETURN;
4354 break;
4355 case 0x6: /* V9 wrfprs */
4356 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4357 tcg_gen_trunc_tl_i32(cpu_fprs, cpu_tmp0);
4358 dc->fprs_dirty = 0;
4359 save_state(dc);
4360 gen_op_next_insn();
4361 tcg_gen_exit_tb(NULL, 0);
4362 dc->base.is_jmp = DISAS_NORETURN;
4363 break;
4364 case 0xf: /* V9 sir, nop if user */
4365 #if !defined(CONFIG_USER_ONLY)
4366 if (supervisor(dc)) {
4367 ; // XXX
4368 }
4369 #endif
4370 break;
4371 case 0x13: /* Graphics Status */
4372 if (gen_trap_ifnofpu(dc)) {
4373 goto jmp_insn;
4374 }
4375 tcg_gen_xor_tl(cpu_gsr, cpu_src1, cpu_src2);
4376 break;
4377 case 0x14: /* Softint set */
4378 if (!supervisor(dc))
4379 goto illegal_insn;
4380 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4381 gen_helper_set_softint(cpu_env, cpu_tmp0);
4382 break;
4383 case 0x15: /* Softint clear */
4384 if (!supervisor(dc))
4385 goto illegal_insn;
4386 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4387 gen_helper_clear_softint(cpu_env, cpu_tmp0);
4388 break;
4389 case 0x16: /* Softint write */
4390 if (!supervisor(dc))
4391 goto illegal_insn;
4392 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4393 gen_helper_write_softint(cpu_env, cpu_tmp0);
4394 break;
4395 case 0x17: /* Tick compare */
4396 #if !defined(CONFIG_USER_ONLY)
4397 if (!supervisor(dc))
4398 goto illegal_insn;
4399 #endif
4400 {
4401 TCGv_ptr r_tickptr;
4402
4403 tcg_gen_xor_tl(cpu_tick_cmpr, cpu_src1,
4404 cpu_src2);
4405 r_tickptr = tcg_temp_new_ptr();
4406 tcg_gen_ld_ptr(r_tickptr, cpu_env,
4407 offsetof(CPUSPARCState, tick));
4408 if (tb_cflags(dc->base.tb) &
4409 CF_USE_ICOUNT) {
4410 gen_io_start();
4411 }
4412 gen_helper_tick_set_limit(r_tickptr,
4413 cpu_tick_cmpr);
4414 tcg_temp_free_ptr(r_tickptr);
4415 /* End TB to handle timer interrupt */
4416 dc->base.is_jmp = DISAS_EXIT;
4417 }
4418 break;
4419 case 0x18: /* System tick */
4420 #if !defined(CONFIG_USER_ONLY)
4421 if (!supervisor(dc))
4422 goto illegal_insn;
4423 #endif
4424 {
4425 TCGv_ptr r_tickptr;
4426
4427 tcg_gen_xor_tl(cpu_tmp0, cpu_src1,
4428 cpu_src2);
4429 r_tickptr = tcg_temp_new_ptr();
4430 tcg_gen_ld_ptr(r_tickptr, cpu_env,
4431 offsetof(CPUSPARCState, stick));
4432 if (tb_cflags(dc->base.tb) &
4433 CF_USE_ICOUNT) {
4434 gen_io_start();
4435 }
4436 gen_helper_tick_set_count(r_tickptr,
4437 cpu_tmp0);
4438 tcg_temp_free_ptr(r_tickptr);
4439 /* End TB to handle timer interrupt */
4440 dc->base.is_jmp = DISAS_EXIT;
4441 }
4442 break;
4443 case 0x19: /* System tick compare */
4444 #if !defined(CONFIG_USER_ONLY)
4445 if (!supervisor(dc))
4446 goto illegal_insn;
4447 #endif
4448 {
4449 TCGv_ptr r_tickptr;
4450
4451 tcg_gen_xor_tl(cpu_stick_cmpr, cpu_src1,
4452 cpu_src2);
4453 r_tickptr = tcg_temp_new_ptr();
4454 tcg_gen_ld_ptr(r_tickptr, cpu_env,
4455 offsetof(CPUSPARCState, stick));
4456 if (tb_cflags(dc->base.tb) &
4457 CF_USE_ICOUNT) {
4458 gen_io_start();
4459 }
4460 gen_helper_tick_set_limit(r_tickptr,
4461 cpu_stick_cmpr);
4462 tcg_temp_free_ptr(r_tickptr);
4463 /* End TB to handle timer interrupt */
4464 dc->base.is_jmp = DISAS_EXIT;
4465 }
4466 break;
4467
4468 case 0x10: /* Performance Control */
4469 case 0x11: /* Performance Instrumentation
4470 Counter */
4471 case 0x12: /* Dispatch Control */
4472 #endif
4473 default:
4474 goto illegal_insn;
4475 }
4476 }
4477 break;
4478 #if !defined(CONFIG_USER_ONLY)
4479 case 0x31: /* wrpsr, V9 saved, restored */
4480 {
4481 if (!supervisor(dc))
4482 goto priv_insn;
4483 #ifdef TARGET_SPARC64
4484 switch (rd) {
4485 case 0:
4486 gen_helper_saved(cpu_env);
4487 break;
4488 case 1:
4489 gen_helper_restored(cpu_env);
4490 break;
4491 case 2: /* UA2005 allclean */
4492 case 3: /* UA2005 otherw */
4493 case 4: /* UA2005 normalw */
4494 case 5: /* UA2005 invalw */
4495 // XXX
4496 default:
4497 goto illegal_insn;
4498 }
4499 #else
4500 cpu_tmp0 = get_temp_tl(dc);
4501 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4502 gen_helper_wrpsr(cpu_env, cpu_tmp0);
4503 tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
4504 dc->cc_op = CC_OP_FLAGS;
4505 save_state(dc);
4506 gen_op_next_insn();
4507 tcg_gen_exit_tb(NULL, 0);
4508 dc->base.is_jmp = DISAS_NORETURN;
4509 #endif
4510 }
4511 break;
4512 case 0x32: /* wrwim, V9 wrpr */
4513 {
4514 if (!supervisor(dc))
4515 goto priv_insn;
4516 cpu_tmp0 = get_temp_tl(dc);
4517 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4518 #ifdef TARGET_SPARC64
4519 switch (rd) {
4520 case 0: // tpc
4521 {
4522 TCGv_ptr r_tsptr;
4523
4524 r_tsptr = tcg_temp_new_ptr();
4525 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4526 tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4527 offsetof(trap_state, tpc));
4528 tcg_temp_free_ptr(r_tsptr);
4529 }
4530 break;
4531 case 1: // tnpc
4532 {
4533 TCGv_ptr r_tsptr;
4534
4535 r_tsptr = tcg_temp_new_ptr();
4536 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4537 tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4538 offsetof(trap_state, tnpc));
4539 tcg_temp_free_ptr(r_tsptr);
4540 }
4541 break;
4542 case 2: // tstate
4543 {
4544 TCGv_ptr r_tsptr;
4545
4546 r_tsptr = tcg_temp_new_ptr();
4547 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4548 tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4549 offsetof(trap_state,
4550 tstate));
4551 tcg_temp_free_ptr(r_tsptr);
4552 }
4553 break;
4554 case 3: // tt
4555 {
4556 TCGv_ptr r_tsptr;
4557
4558 r_tsptr = tcg_temp_new_ptr();
4559 gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4560 tcg_gen_st32_tl(cpu_tmp0, r_tsptr,
4561 offsetof(trap_state, tt));
4562 tcg_temp_free_ptr(r_tsptr);
4563 }
4564 break;
4565 case 4: // tick
4566 {
4567 TCGv_ptr r_tickptr;
4568
4569 r_tickptr = tcg_temp_new_ptr();
4570 tcg_gen_ld_ptr(r_tickptr, cpu_env,
4571 offsetof(CPUSPARCState, tick));
4572 if (tb_cflags(dc->base.tb) &
4573 CF_USE_ICOUNT) {
4574 gen_io_start();
4575 }
4576 gen_helper_tick_set_count(r_tickptr,
4577 cpu_tmp0);
4578 tcg_temp_free_ptr(r_tickptr);
4579 /* End TB to handle timer interrupt */
4580 dc->base.is_jmp = DISAS_EXIT;
4581 }
4582 break;
4583 case 5: // tba
4584 tcg_gen_mov_tl(cpu_tbr, cpu_tmp0);
4585 break;
4586 case 6: // pstate
4587 save_state(dc);
4588 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4589 gen_io_start();
4590 }
4591 gen_helper_wrpstate(cpu_env, cpu_tmp0);
4592 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4593 gen_io_end();
4594 }
4595 dc->npc = DYNAMIC_PC;
4596 break;
4597 case 7: // tl
4598 save_state(dc);
4599 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4600 offsetof(CPUSPARCState, tl));
4601 dc->npc = DYNAMIC_PC;
4602 break;
4603 case 8: // pil
4604 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4605 gen_io_start();
4606 }
4607 gen_helper_wrpil(cpu_env, cpu_tmp0);
4608 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4609 gen_io_end();
4610 }
4611 break;
4612 case 9: // cwp
4613 gen_helper_wrcwp(cpu_env, cpu_tmp0);
4614 break;
4615 case 10: // cansave
4616 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4617 offsetof(CPUSPARCState,
4618 cansave));
4619 break;
4620 case 11: // canrestore
4621 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4622 offsetof(CPUSPARCState,
4623 canrestore));
4624 break;
4625 case 12: // cleanwin
4626 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4627 offsetof(CPUSPARCState,
4628 cleanwin));
4629 break;
4630 case 13: // otherwin
4631 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4632 offsetof(CPUSPARCState,
4633 otherwin));
4634 break;
4635 case 14: // wstate
4636 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4637 offsetof(CPUSPARCState,
4638 wstate));
4639 break;
4640 case 16: // UA2005 gl
4641 CHECK_IU_FEATURE(dc, GL);
4642 gen_helper_wrgl(cpu_env, cpu_tmp0);
4643 break;
4644 case 26: // UA2005 strand status
4645 CHECK_IU_FEATURE(dc, HYPV);
4646 if (!hypervisor(dc))
4647 goto priv_insn;
4648 tcg_gen_mov_tl(cpu_ssr, cpu_tmp0);
4649 break;
4650 default:
4651 goto illegal_insn;
4652 }
4653 #else
4654 tcg_gen_trunc_tl_i32(cpu_wim, cpu_tmp0);
4655 if (dc->def->nwindows != 32) {
4656 tcg_gen_andi_tl(cpu_wim, cpu_wim,
4657 (1 << dc->def->nwindows) - 1);
4658 }
4659 #endif
4660 }
4661 break;
4662 case 0x33: /* wrtbr, UA2005 wrhpr */
4663 {
4664 #ifndef TARGET_SPARC64
4665 if (!supervisor(dc))
4666 goto priv_insn;
4667 tcg_gen_xor_tl(cpu_tbr, cpu_src1, cpu_src2);
4668 #else
4669 CHECK_IU_FEATURE(dc, HYPV);
4670 if (!hypervisor(dc))
4671 goto priv_insn;
4672 cpu_tmp0 = get_temp_tl(dc);
4673 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4674 switch (rd) {
4675 case 0: // hpstate
4676 tcg_gen_st_i64(cpu_tmp0, cpu_env,
4677 offsetof(CPUSPARCState,
4678 hpstate));
4679 save_state(dc);
4680 gen_op_next_insn();
4681 tcg_gen_exit_tb(NULL, 0);
4682 dc->base.is_jmp = DISAS_NORETURN;
4683 break;
4684 case 1: // htstate
4685 // XXX gen_op_wrhtstate();
4686 break;
4687 case 3: // hintp
4688 tcg_gen_mov_tl(cpu_hintp, cpu_tmp0);
4689 break;
4690 case 5: // htba
4691 tcg_gen_mov_tl(cpu_htba, cpu_tmp0);
4692 break;
4693 case 31: // hstick_cmpr
4694 {
4695 TCGv_ptr r_tickptr;
4696
4697 tcg_gen_mov_tl(cpu_hstick_cmpr, cpu_tmp0);
4698 r_tickptr = tcg_temp_new_ptr();
4699 tcg_gen_ld_ptr(r_tickptr, cpu_env,
4700 offsetof(CPUSPARCState, hstick));
4701 if (tb_cflags(dc->base.tb) &
4702 CF_USE_ICOUNT) {
4703 gen_io_start();
4704 }
4705 gen_helper_tick_set_limit(r_tickptr,
4706 cpu_hstick_cmpr);
4707 tcg_temp_free_ptr(r_tickptr);
4708 if (tb_cflags(dc->base.tb) &
4709 CF_USE_ICOUNT) {
4710 gen_io_end();
4711 }
4712 /* End TB to handle timer interrupt */
4713 dc->base.is_jmp = DISAS_EXIT;
4714 }
4715 break;
4716 case 6: // hver readonly
4717 default:
4718 goto illegal_insn;
4719 }
4720 #endif
4721 }
4722 break;
4723 #endif
4724 #ifdef TARGET_SPARC64
4725 case 0x2c: /* V9 movcc */
4726 {
4727 int cc = GET_FIELD_SP(insn, 11, 12);
4728 int cond = GET_FIELD_SP(insn, 14, 17);
4729 DisasCompare cmp;
4730 TCGv dst;
4731
4732 if (insn & (1 << 18)) {
4733 if (cc == 0) {
4734 gen_compare(&cmp, 0, cond, dc);
4735 } else if (cc == 2) {
4736 gen_compare(&cmp, 1, cond, dc);
4737 } else {
4738 goto illegal_insn;
4739 }
4740 } else {
4741 gen_fcompare(&cmp, cc, cond);
4742 }
4743
4744 /* The get_src2 above loaded the normal 13-bit
4745 immediate field, not the 11-bit field we have
4746 in movcc. But it did handle the reg case. */
4747 if (IS_IMM) {
4748 simm = GET_FIELD_SPs(insn, 0, 10);
4749 tcg_gen_movi_tl(cpu_src2, simm);
4750 }
4751
4752 dst = gen_load_gpr(dc, rd);
4753 tcg_gen_movcond_tl(cmp.cond, dst,
4754 cmp.c1, cmp.c2,
4755 cpu_src2, dst);
4756 free_compare(&cmp);
4757 gen_store_gpr(dc, rd, dst);
4758 break;
4759 }
4760 case 0x2d: /* V9 sdivx */
4761 gen_helper_sdivx(cpu_dst, cpu_env, cpu_src1, cpu_src2);
4762 gen_store_gpr(dc, rd, cpu_dst);
4763 break;
4764 case 0x2e: /* V9 popc */
4765 tcg_gen_ctpop_tl(cpu_dst, cpu_src2);
4766 gen_store_gpr(dc, rd, cpu_dst);
4767 break;
4768 case 0x2f: /* V9 movr */
4769 {
4770 int cond = GET_FIELD_SP(insn, 10, 12);
4771 DisasCompare cmp;
4772 TCGv dst;
4773
4774 gen_compare_reg(&cmp, cond, cpu_src1);
4775
4776 /* The get_src2 above loaded the normal 13-bit
4777 immediate field, not the 10-bit field we have
4778 in movr. But it did handle the reg case. */
4779 if (IS_IMM) {
4780 simm = GET_FIELD_SPs(insn, 0, 9);
4781 tcg_gen_movi_tl(cpu_src2, simm);
4782 }
4783
4784 dst = gen_load_gpr(dc, rd);
4785 tcg_gen_movcond_tl(cmp.cond, dst,
4786 cmp.c1, cmp.c2,
4787 cpu_src2, dst);
4788 free_compare(&cmp);
4789 gen_store_gpr(dc, rd, dst);
4790 break;
4791 }
4792 #endif
4793 default:
4794 goto illegal_insn;
4795 }
4796 }
4797 } else if (xop == 0x36) { /* UltraSparc shutdown, VIS, V8 CPop1 */
4798 #ifdef TARGET_SPARC64
4799 int opf = GET_FIELD_SP(insn, 5, 13);
4800 rs1 = GET_FIELD(insn, 13, 17);
4801 rs2 = GET_FIELD(insn, 27, 31);
4802 if (gen_trap_ifnofpu(dc)) {
4803 goto jmp_insn;
4804 }
4805
4806 switch (opf) {
4807 case 0x000: /* VIS I edge8cc */
4808 CHECK_FPU_FEATURE(dc, VIS1);
4809 cpu_src1 = gen_load_gpr(dc, rs1);
4810 cpu_src2 = gen_load_gpr(dc, rs2);
4811 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 1, 0);
4812 gen_store_gpr(dc, rd, cpu_dst);
4813 break;
4814 case 0x001: /* VIS II edge8n */
4815 CHECK_FPU_FEATURE(dc, VIS2);
4816 cpu_src1 = gen_load_gpr(dc, rs1);
4817 cpu_src2 = gen_load_gpr(dc, rs2);
4818 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 0, 0);
4819 gen_store_gpr(dc, rd, cpu_dst);
4820 break;
4821 case 0x002: /* VIS I edge8lcc */
4822 CHECK_FPU_FEATURE(dc, VIS1);
4823 cpu_src1 = gen_load_gpr(dc, rs1);
4824 cpu_src2 = gen_load_gpr(dc, rs2);
4825 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 1, 1);
4826 gen_store_gpr(dc, rd, cpu_dst);
4827 break;
4828 case 0x003: /* VIS II edge8ln */
4829 CHECK_FPU_FEATURE(dc, VIS2);
4830 cpu_src1 = gen_load_gpr(dc, rs1);
4831 cpu_src2 = gen_load_gpr(dc, rs2);
4832 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 0, 1);
4833 gen_store_gpr(dc, rd, cpu_dst);
4834 break;
4835 case 0x004: /* VIS I edge16cc */
4836 CHECK_FPU_FEATURE(dc, VIS1);
4837 cpu_src1 = gen_load_gpr(dc, rs1);
4838 cpu_src2 = gen_load_gpr(dc, rs2);
4839 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 1, 0);
4840 gen_store_gpr(dc, rd, cpu_dst);
4841 break;
4842 case 0x005: /* VIS II edge16n */
4843 CHECK_FPU_FEATURE(dc, VIS2);
4844 cpu_src1 = gen_load_gpr(dc, rs1);
4845 cpu_src2 = gen_load_gpr(dc, rs2);
4846 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 0, 0);
4847 gen_store_gpr(dc, rd, cpu_dst);
4848 break;
4849 case 0x006: /* VIS I edge16lcc */
4850 CHECK_FPU_FEATURE(dc, VIS1);
4851 cpu_src1 = gen_load_gpr(dc, rs1);
4852 cpu_src2 = gen_load_gpr(dc, rs2);
4853 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 1, 1);
4854 gen_store_gpr(dc, rd, cpu_dst);
4855 break;
4856 case 0x007: /* VIS II edge16ln */
4857 CHECK_FPU_FEATURE(dc, VIS2);
4858 cpu_src1 = gen_load_gpr(dc, rs1);
4859 cpu_src2 = gen_load_gpr(dc, rs2);
4860 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 0, 1);
4861 gen_store_gpr(dc, rd, cpu_dst);
4862 break;
4863 case 0x008: /* VIS I edge32cc */
4864 CHECK_FPU_FEATURE(dc, VIS1);
4865 cpu_src1 = gen_load_gpr(dc, rs1);
4866 cpu_src2 = gen_load_gpr(dc, rs2);
4867 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 1, 0);
4868 gen_store_gpr(dc, rd, cpu_dst);
4869 break;
4870 case 0x009: /* VIS II edge32n */
4871 CHECK_FPU_FEATURE(dc, VIS2);
4872 cpu_src1 = gen_load_gpr(dc, rs1);
4873 cpu_src2 = gen_load_gpr(dc, rs2);
4874 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 0, 0);
4875 gen_store_gpr(dc, rd, cpu_dst);
4876 break;
4877 case 0x00a: /* VIS I edge32lcc */
4878 CHECK_FPU_FEATURE(dc, VIS1);
4879 cpu_src1 = gen_load_gpr(dc, rs1);
4880 cpu_src2 = gen_load_gpr(dc, rs2);
4881 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 1, 1);
4882 gen_store_gpr(dc, rd, cpu_dst);
4883 break;
4884 case 0x00b: /* VIS II edge32ln */
4885 CHECK_FPU_FEATURE(dc, VIS2);
4886 cpu_src1 = gen_load_gpr(dc, rs1);
4887 cpu_src2 = gen_load_gpr(dc, rs2);
4888 gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 0, 1);
4889 gen_store_gpr(dc, rd, cpu_dst);
4890 break;
4891 case 0x010: /* VIS I array8 */
4892 CHECK_FPU_FEATURE(dc, VIS1);
4893 cpu_src1 = gen_load_gpr(dc, rs1);
4894 cpu_src2 = gen_load_gpr(dc, rs2);
4895 gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4896 gen_store_gpr(dc, rd, cpu_dst);
4897 break;
4898 case 0x012: /* VIS I array16 */
4899 CHECK_FPU_FEATURE(dc, VIS1);
4900 cpu_src1 = gen_load_gpr(dc, rs1);
4901 cpu_src2 = gen_load_gpr(dc, rs2);
4902 gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4903 tcg_gen_shli_i64(cpu_dst, cpu_dst, 1);
4904 gen_store_gpr(dc, rd, cpu_dst);
4905 break;
4906 case 0x014: /* VIS I array32 */
4907 CHECK_FPU_FEATURE(dc, VIS1);
4908 cpu_src1 = gen_load_gpr(dc, rs1);
4909 cpu_src2 = gen_load_gpr(dc, rs2);
4910 gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4911 tcg_gen_shli_i64(cpu_dst, cpu_dst, 2);
4912 gen_store_gpr(dc, rd, cpu_dst);
4913 break;
4914 case 0x018: /* VIS I alignaddr */
4915 CHECK_FPU_FEATURE(dc, VIS1);
4916 cpu_src1 = gen_load_gpr(dc, rs1);
4917 cpu_src2 = gen_load_gpr(dc, rs2);
4918 gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 0);
4919 gen_store_gpr(dc, rd, cpu_dst);
4920 break;
4921 case 0x01a: /* VIS I alignaddrl */
4922 CHECK_FPU_FEATURE(dc, VIS1);
4923 cpu_src1 = gen_load_gpr(dc, rs1);
4924 cpu_src2 = gen_load_gpr(dc, rs2);
4925 gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 1);
4926 gen_store_gpr(dc, rd, cpu_dst);
4927 break;
4928 case 0x019: /* VIS II bmask */
4929 CHECK_FPU_FEATURE(dc, VIS2);
4930 cpu_src1 = gen_load_gpr(dc, rs1);
4931 cpu_src2 = gen_load_gpr(dc, rs2);
4932 tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
4933 tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, cpu_dst, 32, 32);
4934 gen_store_gpr(dc, rd, cpu_dst);
4935 break;
4936 case 0x020: /* VIS I fcmple16 */
4937 CHECK_FPU_FEATURE(dc, VIS1);
4938 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4939 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4940 gen_helper_fcmple16(cpu_dst, cpu_src1_64, cpu_src2_64);
4941 gen_store_gpr(dc, rd, cpu_dst);
4942 break;
4943 case 0x022: /* VIS I fcmpne16 */
4944 CHECK_FPU_FEATURE(dc, VIS1);
4945 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4946 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4947 gen_helper_fcmpne16(cpu_dst, cpu_src1_64, cpu_src2_64);
4948 gen_store_gpr(dc, rd, cpu_dst);
4949 break;
4950 case 0x024: /* VIS I fcmple32 */
4951 CHECK_FPU_FEATURE(dc, VIS1);
4952 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4953 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4954 gen_helper_fcmple32(cpu_dst, cpu_src1_64, cpu_src2_64);
4955 gen_store_gpr(dc, rd, cpu_dst);
4956 break;
4957 case 0x026: /* VIS I fcmpne32 */
4958 CHECK_FPU_FEATURE(dc, VIS1);
4959 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4960 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4961 gen_helper_fcmpne32(cpu_dst, cpu_src1_64, cpu_src2_64);
4962 gen_store_gpr(dc, rd, cpu_dst);
4963 break;
4964 case 0x028: /* VIS I fcmpgt16 */
4965 CHECK_FPU_FEATURE(dc, VIS1);
4966 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4967 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4968 gen_helper_fcmpgt16(cpu_dst, cpu_src1_64, cpu_src2_64);
4969 gen_store_gpr(dc, rd, cpu_dst);
4970 break;
4971 case 0x02a: /* VIS I fcmpeq16 */
4972 CHECK_FPU_FEATURE(dc, VIS1);
4973 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4974 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4975 gen_helper_fcmpeq16(cpu_dst, cpu_src1_64, cpu_src2_64);
4976 gen_store_gpr(dc, rd, cpu_dst);
4977 break;
4978 case 0x02c: /* VIS I fcmpgt32 */
4979 CHECK_FPU_FEATURE(dc, VIS1);
4980 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4981 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4982 gen_helper_fcmpgt32(cpu_dst, cpu_src1_64, cpu_src2_64);
4983 gen_store_gpr(dc, rd, cpu_dst);
4984 break;
4985 case 0x02e: /* VIS I fcmpeq32 */
4986 CHECK_FPU_FEATURE(dc, VIS1);
4987 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4988 cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4989 gen_helper_fcmpeq32(cpu_dst, cpu_src1_64, cpu_src2_64);
4990 gen_store_gpr(dc, rd, cpu_dst);
4991 break;
4992 case 0x031: /* VIS I fmul8x16 */
4993 CHECK_FPU_FEATURE(dc, VIS1);
4994 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16);
4995 break;
4996 case 0x033: /* VIS I fmul8x16au */
4997 CHECK_FPU_FEATURE(dc, VIS1);
4998 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16au);
4999 break;
5000 case 0x035: /* VIS I fmul8x16al */
5001 CHECK_FPU_FEATURE(dc, VIS1);
5002 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16al);
5003 break;
5004 case 0x036: /* VIS I fmul8sux16 */
5005 CHECK_FPU_FEATURE(dc, VIS1);
5006 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8sux16);
5007 break;
5008 case 0x037: /* VIS I fmul8ulx16 */
5009 CHECK_FPU_FEATURE(dc, VIS1);
5010 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8ulx16);
5011 break;
5012 case 0x038: /* VIS I fmuld8sux16 */
5013 CHECK_FPU_FEATURE(dc, VIS1);
5014 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld8sux16);
5015 break;
5016 case 0x039: /* VIS I fmuld8ulx16 */
5017 CHECK_FPU_FEATURE(dc, VIS1);
5018 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld8ulx16);
5019 break;
5020 case 0x03a: /* VIS I fpack32 */
5021 CHECK_FPU_FEATURE(dc, VIS1);
5022 gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpack32);
5023 break;
5024 case 0x03b: /* VIS I fpack16 */
5025 CHECK_FPU_FEATURE(dc, VIS1);
5026 cpu_src1_64 = gen_load_fpr_D(dc, rs2);
5027 cpu_dst_32 = gen_dest_fpr_F(dc);
5028 gen_helper_fpack16(cpu_dst_32, cpu_gsr, cpu_src1_64);
5029 gen_store_fpr_F(dc, rd, cpu_dst_32);
5030 break;
5031 case 0x03d: /* VIS I fpackfix */
5032 CHECK_FPU_FEATURE(dc, VIS1);
5033 cpu_src1_64 = gen_load_fpr_D(dc, rs2);
5034 cpu_dst_32 = gen_dest_fpr_F(dc);
5035 gen_helper_fpackfix(cpu_dst_32, cpu_gsr, cpu_src1_64);
5036 gen_store_fpr_F(dc, rd, cpu_dst_32);
5037 break;
5038 case 0x03e: /* VIS I pdist */
5039 CHECK_FPU_FEATURE(dc, VIS1);
5040 gen_ne_fop_DDDD(dc, rd, rs1, rs2, gen_helper_pdist);
5041 break;
5042 case 0x048: /* VIS I faligndata */
5043 CHECK_FPU_FEATURE(dc, VIS1);
5044 gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_faligndata);
5045 break;
5046 case 0x04b: /* VIS I fpmerge */
5047 CHECK_FPU_FEATURE(dc, VIS1);
5048 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpmerge);
5049 break;
5050 case 0x04c: /* VIS II bshuffle */
5051 CHECK_FPU_FEATURE(dc, VIS2);
5052 gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_helper_bshuffle);
5053 break;
5054 case 0x04d: /* VIS I fexpand */
5055 CHECK_FPU_FEATURE(dc, VIS1);
5056 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fexpand);
5057 break;
5058 case 0x050: /* VIS I fpadd16 */
5059 CHECK_FPU_FEATURE(dc, VIS1);
5060 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpadd16);
5061 break;
5062 case 0x051: /* VIS I fpadd16s */
5063 CHECK_FPU_FEATURE(dc, VIS1);
5064 gen_ne_fop_FFF(dc, rd, rs1, rs2, gen_helper_fpadd16s);
5065 break;
5066 case 0x052: /* VIS I fpadd32 */
5067 CHECK_FPU_FEATURE(dc, VIS1);
5068 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpadd32);
5069 break;
5070 case 0x053: /* VIS I fpadd32s */
5071 CHECK_FPU_FEATURE(dc, VIS1);
5072 gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_add_i32);
5073 break;
5074 case 0x054: /* VIS I fpsub16 */
5075 CHECK_FPU_FEATURE(dc, VIS1);
5076 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpsub16);
5077 break;
5078 case 0x055: /* VIS I fpsub16s */
5079 CHECK_FPU_FEATURE(dc, VIS1);
5080 gen_ne_fop_FFF(dc, rd, rs1, rs2, gen_helper_fpsub16s);
5081 break;
5082 case 0x056: /* VIS I fpsub32 */
5083 CHECK_FPU_FEATURE(dc, VIS1);
5084 gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpsub32);
5085 break;
5086 case 0x057: /* VIS I fpsub32s */
5087 CHECK_FPU_FEATURE(dc, VIS1);
5088 gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_sub_i32);
5089 break;
5090 case 0x060: /* VIS I fzero */
5091 CHECK_FPU_FEATURE(dc, VIS1);
5092 cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5093 tcg_gen_movi_i64(cpu_dst_64, 0);
5094 gen_store_fpr_D(dc, rd, cpu_dst_64);
5095 break;
5096 case 0x061: /* VIS I fzeros */
5097 CHECK_FPU_FEATURE(dc, VIS1);
5098 cpu_dst_32 = gen_dest_fpr_F(dc);
5099 tcg_gen_movi_i32(cpu_dst_32, 0);
5100 gen_store_fpr_F(dc, rd, cpu_dst_32);
5101 break;
5102 case 0x062: /* VIS I fnor */
5103 CHECK_FPU_FEATURE(dc, VIS1);
5104 gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_nor_i64);
5105 break;
5106 case 0x063: /* VIS I fnors */
5107 CHECK_FPU_FEATURE(dc, VIS1);
5108 gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_nor_i32);
5109 break;
5110 case 0x064: /* VIS I fandnot2 */
5111 CHECK_FPU_FEATURE(dc, VIS1);
5112 gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_andc_i64);
5113 break;
5114 case 0x065: /* VIS I fandnot2s */
5115 CHECK_FPU_FEATURE(dc, VIS1);
5116 gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_andc_i32);
5117 break;
5118 case 0x066: /* VIS I fnot2 */
5119 CHECK_FPU_FEATURE(dc, VIS1);
5120 gen_ne_fop_DD(dc, rd, rs2, tcg_gen_not_i64);
5121 break;
5122 case 0x067: /* VIS I fnot2s */
5123 CHECK_FPU_FEATURE(dc, VIS1);
5124 gen_ne_fop_FF(dc, rd, rs2, tcg_gen_not_i32);
5125 break;
5126 case 0x068: /* VIS I fandnot1 */
5127 CHECK_FPU_FEATURE(dc, VIS1);
5128 gen_ne_fop_DDD(dc, rd, rs2, rs1, tcg_gen_andc_i64);
5129 break;
5130 case 0x069: /* VIS I fandnot1s */
5131 CHECK_FPU_FEATURE(dc, VIS1);
5132 gen_ne_fop_FFF(dc, rd, rs2, rs1, tcg_gen_andc_i32);
5133 break;
5134 case 0x06a: /* VIS I fnot1 */
5135 CHECK_FPU_FEATURE(dc, VIS1);
5136 gen_ne_fop_DD(dc, rd, rs1, tcg_gen_not_i64);
5137 break;
5138 case 0x06b: /* VIS I fnot1s */
5139 CHECK_FPU_FEATURE(dc, VIS1);
5140 gen_ne_fop_FF(dc, rd, rs1, tcg_gen_not_i32);
5141 break;
5142 case 0x06c: /* VIS I fxor */
5143 CHECK_FPU_FEATURE(dc, VIS1);
5144 gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_xor_i64);
5145 break;
5146 case 0x06d: /* VIS I fxors */
5147 CHECK_FPU_FEATURE(dc, VIS1);
5148 gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_xor_i32);
5149 break;
5150 case 0x06e: /* VIS I fnand */
5151 CHECK_FPU_FEATURE(dc, VIS1);
5152 gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_nand_i64);
5153 break;
5154 case 0x06f: /* VIS I fnands */
5155 CHECK_FPU_FEATURE(dc, VIS1);
5156 gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_nand_i32);
5157 break;
5158 case 0x070: /* VIS I fand */
5159 CHECK_FPU_FEATURE(dc, VIS1);
5160 gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_and_i64);
5161 break;
5162 case 0x071: /* VIS I fands */
5163 CHECK_FPU_FEATURE(dc, VIS1);
5164 gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_and_i32);
5165 break;
5166 case 0x072: /* VIS I fxnor */
5167 CHECK_FPU_FEATURE(dc, VIS1);
5168 gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_eqv_i64);
5169 break;
5170 case 0x073: /* VIS I fxnors */
5171 CHECK_FPU_FEATURE(dc, VIS1);
5172 gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_eqv_i32);
5173 break;
5174 case 0x074: /* VIS I fsrc1 */
5175 CHECK_FPU_FEATURE(dc, VIS1);
5176 cpu_src1_64 = gen_load_fpr_D(dc, rs1);
5177 gen_store_fpr_D(dc, rd, cpu_src1_64);
5178 break;
5179 case 0x075: /* VIS I fsrc1s */
5180 CHECK_FPU_FEATURE(dc, VIS1);
5181 cpu_src1_32 = gen_load_fpr_F(dc, rs1);
5182 gen_store_fpr_F(dc, rd, cpu_src1_32);
5183 break;
5184 case 0x076: /* VIS I fornot2 */
5185 CHECK_FPU_FEATURE(dc, VIS1);
5186 gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_orc_i64);
5187 break;
5188 case 0x077: /* VIS I fornot2s */
5189 CHECK_FPU_FEATURE(dc, VIS1);
5190 gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_orc_i32);
5191 break;
5192 case 0x078: /* VIS I fsrc2 */
5193 CHECK_FPU_FEATURE(dc, VIS1);
5194 cpu_src1_64 = gen_load_fpr_D(dc, rs2);
5195 gen_store_fpr_D(dc, rd, cpu_src1_64);
5196 break;
5197 case 0x079: /* VIS I fsrc2s */
5198 CHECK_FPU_FEATURE(dc, VIS1);
5199 cpu_src1_32 = gen_load_fpr_F(dc, rs2);
5200 gen_store_fpr_F(dc, rd, cpu_src1_32);
5201 break;
5202 case 0x07a: /* VIS I fornot1 */
5203 CHECK_FPU_FEATURE(dc, VIS1);
5204 gen_ne_fop_DDD(dc, rd, rs2, rs1, tcg_gen_orc_i64);
5205 break;
5206 case 0x07b: /* VIS I fornot1s */
5207 CHECK_FPU_FEATURE(dc, VIS1);
5208 gen_ne_fop_FFF(dc, rd, rs2, rs1, tcg_gen_orc_i32);
5209 break;
5210 case 0x07c: /* VIS I for */
5211 CHECK_FPU_FEATURE(dc, VIS1);
5212 gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_or_i64);
5213 break;
5214 case 0x07d: /* VIS I fors */
5215 CHECK_FPU_FEATURE(dc, VIS1);
5216 gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_or_i32);
5217 break;
5218 case 0x07e: /* VIS I fone */
5219 CHECK_FPU_FEATURE(dc, VIS1);
5220 cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5221 tcg_gen_movi_i64(cpu_dst_64, -1);
5222 gen_store_fpr_D(dc, rd, cpu_dst_64);
5223 break;
5224 case 0x07f: /* VIS I fones */
5225 CHECK_FPU_FEATURE(dc, VIS1);
5226 cpu_dst_32 = gen_dest_fpr_F(dc);
5227 tcg_gen_movi_i32(cpu_dst_32, -1);
5228 gen_store_fpr_F(dc, rd, cpu_dst_32);
5229 break;
5230 case 0x080: /* VIS I shutdown */
5231 case 0x081: /* VIS II siam */
5232 // XXX
5233 goto illegal_insn;
5234 default:
5235 goto illegal_insn;
5236 }
5237 #else
5238 goto ncp_insn;
5239 #endif
5240 } else if (xop == 0x37) { /* V8 CPop2, V9 impdep2 */
5241 #ifdef TARGET_SPARC64
5242 goto illegal_insn;
5243 #else
5244 goto ncp_insn;
5245 #endif
5246 #ifdef TARGET_SPARC64
5247 } else if (xop == 0x39) { /* V9 return */
5248 save_state(dc);
5249 cpu_src1 = get_src1(dc, insn);
5250 cpu_tmp0 = get_temp_tl(dc);
5251 if (IS_IMM) { /* immediate */
5252 simm = GET_FIELDs(insn, 19, 31);
5253 tcg_gen_addi_tl(cpu_tmp0, cpu_src1, simm);
5254 } else { /* register */
5255 rs2 = GET_FIELD(insn, 27, 31);
5256 if (rs2) {
5257 cpu_src2 = gen_load_gpr(dc, rs2);
5258 tcg_gen_add_tl(cpu_tmp0, cpu_src1, cpu_src2);
5259 } else {
5260 tcg_gen_mov_tl(cpu_tmp0, cpu_src1);
5261 }
5262 }
5263 gen_helper_restore(cpu_env);
5264 gen_mov_pc_npc(dc);
5265 gen_check_align(cpu_tmp0, 3);
5266 tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5267 dc->npc = DYNAMIC_PC;
5268 goto jmp_insn;
5269 #endif
5270 } else {
5271 cpu_src1 = get_src1(dc, insn);
5272 cpu_tmp0 = get_temp_tl(dc);
5273 if (IS_IMM) { /* immediate */
5274 simm = GET_FIELDs(insn, 19, 31);
5275 tcg_gen_addi_tl(cpu_tmp0, cpu_src1, simm);
5276 } else { /* register */
5277 rs2 = GET_FIELD(insn, 27, 31);
5278 if (rs2) {
5279 cpu_src2 = gen_load_gpr(dc, rs2);
5280 tcg_gen_add_tl(cpu_tmp0, cpu_src1, cpu_src2);
5281 } else {
5282 tcg_gen_mov_tl(cpu_tmp0, cpu_src1);
5283 }
5284 }
5285 switch (xop) {
5286 case 0x38: /* jmpl */
5287 {
5288 TCGv t = gen_dest_gpr(dc, rd);
5289 tcg_gen_movi_tl(t, dc->pc);
5290 gen_store_gpr(dc, rd, t);
5291
5292 gen_mov_pc_npc(dc);
5293 gen_check_align(cpu_tmp0, 3);
5294 gen_address_mask(dc, cpu_tmp0);
5295 tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5296 dc->npc = DYNAMIC_PC;
5297 }
5298 goto jmp_insn;
5299 #if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
5300 case 0x39: /* rett, V9 return */
5301 {
5302 if (!supervisor(dc))
5303 goto priv_insn;
5304 gen_mov_pc_npc(dc);
5305 gen_check_align(cpu_tmp0, 3);
5306 tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5307 dc->npc = DYNAMIC_PC;
5308 gen_helper_rett(cpu_env);
5309 }
5310 goto jmp_insn;
5311 #endif
5312 case 0x3b: /* flush */
5313 if (!((dc)->def->features & CPU_FEATURE_FLUSH))
5314 goto unimp_flush;
5315 /* nop */
5316 break;
5317 case 0x3c: /* save */
5318 gen_helper_save(cpu_env);
5319 gen_store_gpr(dc, rd, cpu_tmp0);
5320 break;
5321 case 0x3d: /* restore */
5322 gen_helper_restore(cpu_env);
5323 gen_store_gpr(dc, rd, cpu_tmp0);
5324 break;
5325 #if !defined(CONFIG_USER_ONLY) && defined(TARGET_SPARC64)
5326 case 0x3e: /* V9 done/retry */
5327 {
5328 switch (rd) {
5329 case 0:
5330 if (!supervisor(dc))
5331 goto priv_insn;
5332 dc->npc = DYNAMIC_PC;
5333 dc->pc = DYNAMIC_PC;
5334 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
5335 gen_io_start();
5336 }
5337 gen_helper_done(cpu_env);
5338 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
5339 gen_io_end();
5340 }
5341 goto jmp_insn;
5342 case 1:
5343 if (!supervisor(dc))
5344 goto priv_insn;
5345 dc->npc = DYNAMIC_PC;
5346 dc->pc = DYNAMIC_PC;
5347 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
5348 gen_io_start();
5349 }
5350 gen_helper_retry(cpu_env);
5351 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
5352 gen_io_end();
5353 }
5354 goto jmp_insn;
5355 default:
5356 goto illegal_insn;
5357 }
5358 }
5359 break;
5360 #endif
5361 default:
5362 goto illegal_insn;
5363 }
5364 }
5365 break;
5366 }
5367 break;
5368 case 3: /* load/store instructions */
5369 {
5370 unsigned int xop = GET_FIELD(insn, 7, 12);
5371 /* ??? gen_address_mask prevents us from using a source
5372 register directly. Always generate a temporary. */
5373 TCGv cpu_addr = get_temp_tl(dc);
5374
5375 tcg_gen_mov_tl(cpu_addr, get_src1(dc, insn));
5376 if (xop == 0x3c || xop == 0x3e) {
5377 /* V9 casa/casxa : no offset */
5378 } else if (IS_IMM) { /* immediate */
5379 simm = GET_FIELDs(insn, 19, 31);
5380 if (simm != 0) {
5381 tcg_gen_addi_tl(cpu_addr, cpu_addr, simm);
5382 }
5383 } else { /* register */
5384 rs2 = GET_FIELD(insn, 27, 31);
5385 if (rs2 != 0) {
5386 tcg_gen_add_tl(cpu_addr, cpu_addr, gen_load_gpr(dc, rs2));
5387 }
5388 }
5389 if (xop < 4 || (xop > 7 && xop < 0x14 && xop != 0x0e) ||
5390 (xop > 0x17 && xop <= 0x1d ) ||
5391 (xop > 0x2c && xop <= 0x33) || xop == 0x1f || xop == 0x3d) {
5392 TCGv cpu_val = gen_dest_gpr(dc, rd);
5393
5394 switch (xop) {
5395 case 0x0: /* ld, V9 lduw, load unsigned word */
5396 gen_address_mask(dc, cpu_addr);
5397 tcg_gen_qemu_ld32u(cpu_val, cpu_addr, dc->mem_idx);
5398 break;
5399 case 0x1: /* ldub, load unsigned byte */
5400 gen_address_mask(dc, cpu_addr);
5401 tcg_gen_qemu_ld8u(cpu_val, cpu_addr, dc->mem_idx);
5402 break;
5403 case 0x2: /* lduh, load unsigned halfword */
5404 gen_address_mask(dc, cpu_addr);
5405 tcg_gen_qemu_ld16u(cpu_val, cpu_addr, dc->mem_idx);
5406 break;
5407 case 0x3: /* ldd, load double word */
5408 if (rd & 1)
5409 goto illegal_insn;
5410 else {
5411 TCGv_i64 t64;
5412
5413 gen_address_mask(dc, cpu_addr);
5414 t64 = tcg_temp_new_i64();
5415 tcg_gen_qemu_ld64(t64, cpu_addr, dc->mem_idx);
5416 tcg_gen_trunc_i64_tl(cpu_val, t64);
5417 tcg_gen_ext32u_tl(cpu_val, cpu_val);
5418 gen_store_gpr(dc, rd + 1, cpu_val);
5419 tcg_gen_shri_i64(t64, t64, 32);
5420 tcg_gen_trunc_i64_tl(cpu_val, t64);
5421 tcg_temp_free_i64(t64);
5422 tcg_gen_ext32u_tl(cpu_val, cpu_val);
5423 }
5424 break;
5425 case 0x9: /* ldsb, load signed byte */
5426 gen_address_mask(dc, cpu_addr);
5427 tcg_gen_qemu_ld8s(cpu_val, cpu_addr, dc->mem_idx);
5428 break;
5429 case 0xa: /* ldsh, load signed halfword */
5430 gen_address_mask(dc, cpu_addr);
5431 tcg_gen_qemu_ld16s(cpu_val, cpu_addr, dc->mem_idx);
5432 break;
5433 case 0xd: /* ldstub */
5434 gen_ldstub(dc, cpu_val, cpu_addr, dc->mem_idx);
5435 break;
5436 case 0x0f:
5437 /* swap, swap register with memory. Also atomically */
5438 CHECK_IU_FEATURE(dc, SWAP);
5439 cpu_src1 = gen_load_gpr(dc, rd);
5440 gen_swap(dc, cpu_val, cpu_src1, cpu_addr,
5441 dc->mem_idx, MO_TEUL);
5442 break;
5443 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5444 case 0x10: /* lda, V9 lduwa, load word alternate */
5445 gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEUL);
5446 break;
5447 case 0x11: /* lduba, load unsigned byte alternate */
5448 gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_UB);
5449 break;
5450 case 0x12: /* lduha, load unsigned halfword alternate */
5451 gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEUW);
5452 break;
5453 case 0x13: /* ldda, load double word alternate */
5454 if (rd & 1) {
5455 goto illegal_insn;
5456 }
5457 gen_ldda_asi(dc, cpu_addr, insn, rd);
5458 goto skip_move;
5459 case 0x19: /* ldsba, load signed byte alternate */
5460 gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_SB);
5461 break;
5462 case 0x1a: /* ldsha, load signed halfword alternate */
5463 gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TESW);
5464 break;
5465 case 0x1d: /* ldstuba -- XXX: should be atomically */
5466 gen_ldstub_asi(dc, cpu_val, cpu_addr, insn);
5467 break;
5468 case 0x1f: /* swapa, swap reg with alt. memory. Also
5469 atomically */
5470 CHECK_IU_FEATURE(dc, SWAP);
5471 cpu_src1 = gen_load_gpr(dc, rd);
5472 gen_swap_asi(dc, cpu_val, cpu_src1, cpu_addr, insn);
5473 break;
5474
5475 #ifndef TARGET_SPARC64
5476 case 0x30: /* ldc */
5477 case 0x31: /* ldcsr */
5478 case 0x33: /* lddc */
5479 goto ncp_insn;
5480 #endif
5481 #endif
5482 #ifdef TARGET_SPARC64
5483 case 0x08: /* V9 ldsw */
5484 gen_address_mask(dc, cpu_addr);
5485 tcg_gen_qemu_ld32s(cpu_val, cpu_addr, dc->mem_idx);
5486 break;
5487 case 0x0b: /* V9 ldx */
5488 gen_address_mask(dc, cpu_addr);
5489 tcg_gen_qemu_ld64(cpu_val, cpu_addr, dc->mem_idx);
5490 break;
5491 case 0x18: /* V9 ldswa */
5492 gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TESL);
5493 break;
5494 case 0x1b: /* V9 ldxa */
5495 gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEQ);
5496 break;
5497 case 0x2d: /* V9 prefetch, no effect */
5498 goto skip_move;
5499 case 0x30: /* V9 ldfa */
5500 if (gen_trap_ifnofpu(dc)) {
5501 goto jmp_insn;
5502 }
5503 gen_ldf_asi(dc, cpu_addr, insn, 4, rd);
5504 gen_update_fprs_dirty(dc, rd);
5505 goto skip_move;
5506 case 0x33: /* V9 lddfa */
5507 if (gen_trap_ifnofpu(dc)) {
5508 goto jmp_insn;
5509 }
5510 gen_ldf_asi(dc, cpu_addr, insn, 8, DFPREG(rd));
5511 gen_update_fprs_dirty(dc, DFPREG(rd));
5512 goto skip_move;
5513 case 0x3d: /* V9 prefetcha, no effect */
5514 goto skip_move;
5515 case 0x32: /* V9 ldqfa */
5516 CHECK_FPU_FEATURE(dc, FLOAT128);
5517 if (gen_trap_ifnofpu(dc)) {
5518 goto jmp_insn;
5519 }
5520 gen_ldf_asi(dc, cpu_addr, insn, 16, QFPREG(rd));
5521 gen_update_fprs_dirty(dc, QFPREG(rd));
5522 goto skip_move;
5523 #endif
5524 default:
5525 goto illegal_insn;
5526 }
5527 gen_store_gpr(dc, rd, cpu_val);
5528 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5529 skip_move: ;
5530 #endif
5531 } else if (xop >= 0x20 && xop < 0x24) {
5532 if (gen_trap_ifnofpu(dc)) {
5533 goto jmp_insn;
5534 }
5535 switch (xop) {
5536 case 0x20: /* ldf, load fpreg */
5537 gen_address_mask(dc, cpu_addr);
5538 cpu_dst_32 = gen_dest_fpr_F(dc);
5539 tcg_gen_qemu_ld_i32(cpu_dst_32, cpu_addr,
5540 dc->mem_idx, MO_TEUL);
5541 gen_store_fpr_F(dc, rd, cpu_dst_32);
5542 break;
5543 case 0x21: /* ldfsr, V9 ldxfsr */
5544 #ifdef TARGET_SPARC64
5545 gen_address_mask(dc, cpu_addr);
5546 if (rd == 1) {
5547 TCGv_i64 t64 = tcg_temp_new_i64();
5548 tcg_gen_qemu_ld_i64(t64, cpu_addr,
5549 dc->mem_idx, MO_TEQ);
5550 gen_helper_ldxfsr(cpu_fsr, cpu_env, cpu_fsr, t64);
5551 tcg_temp_free_i64(t64);
5552 break;
5553 }
5554 #endif
5555 cpu_dst_32 = get_temp_i32(dc);
5556 tcg_gen_qemu_ld_i32(cpu_dst_32, cpu_addr,
5557 dc->mem_idx, MO_TEUL);
5558 gen_helper_ldfsr(cpu_fsr, cpu_env, cpu_fsr, cpu_dst_32);
5559 break;
5560 case 0x22: /* ldqf, load quad fpreg */
5561 CHECK_FPU_FEATURE(dc, FLOAT128);
5562 gen_address_mask(dc, cpu_addr);
5563 cpu_src1_64 = tcg_temp_new_i64();
5564 tcg_gen_qemu_ld_i64(cpu_src1_64, cpu_addr, dc->mem_idx,
5565 MO_TEQ | MO_ALIGN_4);
5566 tcg_gen_addi_tl(cpu_addr, cpu_addr, 8);
5567 cpu_src2_64 = tcg_temp_new_i64();
5568 tcg_gen_qemu_ld_i64(cpu_src2_64, cpu_addr, dc->mem_idx,
5569 MO_TEQ | MO_ALIGN_4);
5570 gen_store_fpr_Q(dc, rd, cpu_src1_64, cpu_src2_64);
5571 tcg_temp_free_i64(cpu_src1_64);
5572 tcg_temp_free_i64(cpu_src2_64);
5573 break;
5574 case 0x23: /* lddf, load double fpreg */
5575 gen_address_mask(dc, cpu_addr);
5576 cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5577 tcg_gen_qemu_ld_i64(cpu_dst_64, cpu_addr, dc->mem_idx,
5578 MO_TEQ | MO_ALIGN_4);
5579 gen_store_fpr_D(dc, rd, cpu_dst_64);
5580 break;
5581 default:
5582 goto illegal_insn;
5583 }
5584 } else if (xop < 8 || (xop >= 0x14 && xop < 0x18) ||
5585 xop == 0xe || xop == 0x1e) {
5586 TCGv cpu_val = gen_load_gpr(dc, rd);
5587
5588 switch (xop) {
5589 case 0x4: /* st, store word */
5590 gen_address_mask(dc, cpu_addr);
5591 tcg_gen_qemu_st32(cpu_val, cpu_addr, dc->mem_idx);
5592 break;
5593 case 0x5: /* stb, store byte */
5594 gen_address_mask(dc, cpu_addr);
5595 tcg_gen_qemu_st8(cpu_val, cpu_addr, dc->mem_idx);
5596 break;
5597 case 0x6: /* sth, store halfword */
5598 gen_address_mask(dc, cpu_addr);
5599 tcg_gen_qemu_st16(cpu_val, cpu_addr, dc->mem_idx);
5600 break;
5601 case 0x7: /* std, store double word */
5602 if (rd & 1)
5603 goto illegal_insn;
5604 else {
5605 TCGv_i64 t64;
5606 TCGv lo;
5607
5608 gen_address_mask(dc, cpu_addr);
5609 lo = gen_load_gpr(dc, rd + 1);
5610 t64 = tcg_temp_new_i64();
5611 tcg_gen_concat_tl_i64(t64, lo, cpu_val);
5612 tcg_gen_qemu_st64(t64, cpu_addr, dc->mem_idx);
5613 tcg_temp_free_i64(t64);
5614 }
5615 break;
5616 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5617 case 0x14: /* sta, V9 stwa, store word alternate */
5618 gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUL);
5619 break;
5620 case 0x15: /* stba, store byte alternate */
5621 gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_UB);
5622 break;
5623 case 0x16: /* stha, store halfword alternate */
5624 gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUW);
5625 break;
5626 case 0x17: /* stda, store double word alternate */
5627 if (rd & 1) {
5628 goto illegal_insn;
5629 }
5630 gen_stda_asi(dc, cpu_val, cpu_addr, insn, rd);
5631 break;
5632 #endif
5633 #ifdef TARGET_SPARC64
5634 case 0x0e: /* V9 stx */
5635 gen_address_mask(dc, cpu_addr);
5636 tcg_gen_qemu_st64(cpu_val, cpu_addr, dc->mem_idx);
5637 break;
5638 case 0x1e: /* V9 stxa */
5639 gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEQ);
5640 break;
5641 #endif
5642 default:
5643 goto illegal_insn;
5644 }
5645 } else if (xop > 0x23 && xop < 0x28) {
5646 if (gen_trap_ifnofpu(dc)) {
5647 goto jmp_insn;
5648 }
5649 switch (xop) {
5650 case 0x24: /* stf, store fpreg */
5651 gen_address_mask(dc, cpu_addr);
5652 cpu_src1_32 = gen_load_fpr_F(dc, rd);
5653 tcg_gen_qemu_st_i32(cpu_src1_32, cpu_addr,
5654 dc->mem_idx, MO_TEUL);
5655 break;
5656 case 0x25: /* stfsr, V9 stxfsr */
5657 {
5658 #ifdef TARGET_SPARC64
5659 gen_address_mask(dc, cpu_addr);
5660 if (rd == 1) {
5661 tcg_gen_qemu_st64(cpu_fsr, cpu_addr, dc->mem_idx);
5662 break;
5663 }
5664 #endif
5665 tcg_gen_qemu_st32(cpu_fsr, cpu_addr, dc->mem_idx);
5666 }
5667 break;
5668 case 0x26:
5669 #ifdef TARGET_SPARC64
5670 /* V9 stqf, store quad fpreg */
5671 CHECK_FPU_FEATURE(dc, FLOAT128);
5672 gen_address_mask(dc, cpu_addr);
5673 /* ??? While stqf only requires 4-byte alignment, it is
5674 legal for the cpu to signal the unaligned exception.
5675 The OS trap handler is then required to fix it up.
5676 For qemu, this avoids having to probe the second page
5677 before performing the first write. */
5678 cpu_src1_64 = gen_load_fpr_Q0(dc, rd);
5679 tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr,
5680 dc->mem_idx, MO_TEQ | MO_ALIGN_16);
5681 tcg_gen_addi_tl(cpu_addr, cpu_addr, 8);
5682 cpu_src2_64 = gen_load_fpr_Q1(dc, rd);
5683 tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr,
5684 dc->mem_idx, MO_TEQ);
5685 break;
5686 #else /* !TARGET_SPARC64 */
5687 /* stdfq, store floating point queue */
5688 #if defined(CONFIG_USER_ONLY)
5689 goto illegal_insn;
5690 #else
5691 if (!supervisor(dc))
5692 goto priv_insn;
5693 if (gen_trap_ifnofpu(dc)) {
5694 goto jmp_insn;
5695 }
5696 goto nfq_insn;
5697 #endif
5698 #endif
5699 case 0x27: /* stdf, store double fpreg */
5700 gen_address_mask(dc, cpu_addr);
5701 cpu_src1_64 = gen_load_fpr_D(dc, rd);
5702 tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr, dc->mem_idx,
5703 MO_TEQ | MO_ALIGN_4);
5704 break;
5705 default:
5706 goto illegal_insn;
5707 }
5708 } else if (xop > 0x33 && xop < 0x3f) {
5709 switch (xop) {
5710 #ifdef TARGET_SPARC64
5711 case 0x34: /* V9 stfa */
5712 if (gen_trap_ifnofpu(dc)) {
5713 goto jmp_insn;
5714 }
5715 gen_stf_asi(dc, cpu_addr, insn, 4, rd);
5716 break;
5717 case 0x36: /* V9 stqfa */
5718 {
5719 CHECK_FPU_FEATURE(dc, FLOAT128);
5720 if (gen_trap_ifnofpu(dc)) {
5721 goto jmp_insn;
5722 }
5723 gen_stf_asi(dc, cpu_addr, insn, 16, QFPREG(rd));
5724 }
5725 break;
5726 case 0x37: /* V9 stdfa */
5727 if (gen_trap_ifnofpu(dc)) {
5728 goto jmp_insn;
5729 }
5730 gen_stf_asi(dc, cpu_addr, insn, 8, DFPREG(rd));
5731 break;
5732 case 0x3e: /* V9 casxa */
5733 rs2 = GET_FIELD(insn, 27, 31);
5734 cpu_src2 = gen_load_gpr(dc, rs2);
5735 gen_casx_asi(dc, cpu_addr, cpu_src2, insn, rd);
5736 break;
5737 #else
5738 case 0x34: /* stc */
5739 case 0x35: /* stcsr */
5740 case 0x36: /* stdcq */
5741 case 0x37: /* stdc */
5742 goto ncp_insn;
5743 #endif
5744 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5745 case 0x3c: /* V9 or LEON3 casa */
5746 #ifndef TARGET_SPARC64
5747 CHECK_IU_FEATURE(dc, CASA);
5748 #endif
5749 rs2 = GET_FIELD(insn, 27, 31);
5750 cpu_src2 = gen_load_gpr(dc, rs2);
5751 gen_cas_asi(dc, cpu_addr, cpu_src2, insn, rd);
5752 break;
5753 #endif
5754 default:
5755 goto illegal_insn;
5756 }
5757 } else {
5758 goto illegal_insn;
5759 }
5760 }
5761 break;
5762 }
5763 /* default case for non jump instructions */
5764 if (dc->npc == DYNAMIC_PC) {
5765 dc->pc = DYNAMIC_PC;
5766 gen_op_next_insn();
5767 } else if (dc->npc == JUMP_PC) {
5768 /* we can do a static jump */
5769 gen_branch2(dc, dc->jump_pc[0], dc->jump_pc[1], cpu_cond);
5770 dc->base.is_jmp = DISAS_NORETURN;
5771 } else {
5772 dc->pc = dc->npc;
5773 dc->npc = dc->npc + 4;
5774 }
5775 jmp_insn:
5776 goto egress;
5777 illegal_insn:
5778 gen_exception(dc, TT_ILL_INSN);
5779 goto egress;
5780 unimp_flush:
5781 gen_exception(dc, TT_UNIMP_FLUSH);
5782 goto egress;
5783 #if !defined(CONFIG_USER_ONLY)
5784 priv_insn:
5785 gen_exception(dc, TT_PRIV_INSN);
5786 goto egress;
5787 #endif
5788 nfpu_insn:
5789 gen_op_fpexception_im(dc, FSR_FTT_UNIMPFPOP);
5790 goto egress;
5791 #if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
5792 nfq_insn:
5793 gen_op_fpexception_im(dc, FSR_FTT_SEQ_ERROR);
5794 goto egress;
5795 #endif
5796 #ifndef TARGET_SPARC64
5797 ncp_insn:
5798 gen_exception(dc, TT_NCP_INSN);
5799 goto egress;
5800 #endif
5801 egress:
5802 if (dc->n_t32 != 0) {
5803 int i;
5804 for (i = dc->n_t32 - 1; i >= 0; --i) {
5805 tcg_temp_free_i32(dc->t32[i]);
5806 }
5807 dc->n_t32 = 0;
5808 }
5809 if (dc->n_ttl != 0) {
5810 int i;
5811 for (i = dc->n_ttl - 1; i >= 0; --i) {
5812 tcg_temp_free(dc->ttl[i]);
5813 }
5814 dc->n_ttl = 0;
5815 }
5816 }
5817
5818 static void sparc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
5819 {
5820 DisasContext *dc = container_of(dcbase, DisasContext, base);
5821 CPUSPARCState *env = cs->env_ptr;
5822 int bound;
5823
5824 dc->pc = dc->base.pc_first;
5825 dc->npc = (target_ulong)dc->base.tb->cs_base;
5826 dc->cc_op = CC_OP_DYNAMIC;
5827 dc->mem_idx = dc->base.tb->flags & TB_FLAG_MMU_MASK;
5828 dc->def = &env->def;
5829 dc->fpu_enabled = tb_fpu_enabled(dc->base.tb->flags);
5830 dc->address_mask_32bit = tb_am_enabled(dc->base.tb->flags);
5831 #ifndef CONFIG_USER_ONLY
5832 dc->supervisor = (dc->base.tb->flags & TB_FLAG_SUPER) != 0;
5833 #endif
5834 #ifdef TARGET_SPARC64
5835 dc->fprs_dirty = 0;
5836 dc->asi = (dc->base.tb->flags >> TB_FLAG_ASI_SHIFT) & 0xff;
5837 #ifndef CONFIG_USER_ONLY
5838 dc->hypervisor = (dc->base.tb->flags & TB_FLAG_HYPER) != 0;
5839 #endif
5840 #endif
5841 /*
5842 * if we reach a page boundary, we stop generation so that the
5843 * PC of a TT_TFAULT exception is always in the right page
5844 */
5845 bound = -(dc->base.pc_first | TARGET_PAGE_MASK) / 4;
5846 dc->base.max_insns = MIN(dc->base.max_insns, bound);
5847 }
5848
5849 static void sparc_tr_tb_start(DisasContextBase *db, CPUState *cs)
5850 {
5851 }
5852
5853 static void sparc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
5854 {
5855 DisasContext *dc = container_of(dcbase, DisasContext, base);
5856
5857 if (dc->npc & JUMP_PC) {
5858 assert(dc->jump_pc[1] == dc->pc + 4);
5859 tcg_gen_insn_start(dc->pc, dc->jump_pc[0] | JUMP_PC);
5860 } else {
5861 tcg_gen_insn_start(dc->pc, dc->npc);
5862 }
5863 }
5864
5865 static bool sparc_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
5866 const CPUBreakpoint *bp)
5867 {
5868 DisasContext *dc = container_of(dcbase, DisasContext, base);
5869
5870 if (dc->pc != dc->base.pc_first) {
5871 save_state(dc);
5872 }
5873 gen_helper_debug(cpu_env);
5874 tcg_gen_exit_tb(NULL, 0);
5875 dc->base.is_jmp = DISAS_NORETURN;
5876 /* update pc_next so that the current instruction is included in tb->size */
5877 dc->base.pc_next += 4;
5878 return true;
5879 }
5880
5881 static void sparc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
5882 {
5883 DisasContext *dc = container_of(dcbase, DisasContext, base);
5884 CPUSPARCState *env = cs->env_ptr;
5885 unsigned int insn;
5886
5887 insn = cpu_ldl_code(env, dc->pc);
5888 dc->base.pc_next += 4;
5889 disas_sparc_insn(dc, insn);
5890
5891 if (dc->base.is_jmp == DISAS_NORETURN) {
5892 return;
5893 }
5894 if (dc->pc != dc->base.pc_next) {
5895 dc->base.is_jmp = DISAS_TOO_MANY;
5896 }
5897 }
5898
5899 static void sparc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
5900 {
5901 DisasContext *dc = container_of(dcbase, DisasContext, base);
5902
5903 switch (dc->base.is_jmp) {
5904 case DISAS_NEXT:
5905 case DISAS_TOO_MANY:
5906 if (dc->pc != DYNAMIC_PC &&
5907 (dc->npc != DYNAMIC_PC && dc->npc != JUMP_PC)) {
5908 /* static PC and NPC: we can use direct chaining */
5909 gen_goto_tb(dc, 0, dc->pc, dc->npc);
5910 } else {
5911 if (dc->pc != DYNAMIC_PC) {
5912 tcg_gen_movi_tl(cpu_pc, dc->pc);
5913 }
5914 save_npc(dc);
5915 tcg_gen_exit_tb(NULL, 0);
5916 }
5917 break;
5918
5919 case DISAS_NORETURN:
5920 break;
5921
5922 case DISAS_EXIT:
5923 /* Exit TB */
5924 save_state(dc);
5925 tcg_gen_exit_tb(NULL, 0);
5926 break;
5927
5928 default:
5929 g_assert_not_reached();
5930 }
5931 }
5932
5933 static void sparc_tr_disas_log(const DisasContextBase *dcbase, CPUState *cpu)
5934 {
5935 qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first));
5936 log_target_disas(cpu, dcbase->pc_first, dcbase->tb->size);
5937 }
5938
5939 static const TranslatorOps sparc_tr_ops = {
5940 .init_disas_context = sparc_tr_init_disas_context,
5941 .tb_start = sparc_tr_tb_start,
5942 .insn_start = sparc_tr_insn_start,
5943 .breakpoint_check = sparc_tr_breakpoint_check,
5944 .translate_insn = sparc_tr_translate_insn,
5945 .tb_stop = sparc_tr_tb_stop,
5946 .disas_log = sparc_tr_disas_log,
5947 };
5948
5949 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
5950 {
5951 DisasContext dc = {};
5952
5953 translator_loop(&sparc_tr_ops, &dc.base, cs, tb, max_insns);
5954 }
5955
5956 void sparc_tcg_init(void)
5957 {
5958 static const char gregnames[32][4] = {
5959 "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
5960 "o0", "o1", "o2", "o3", "o4", "o5", "o6", "o7",
5961 "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
5962 "i0", "i1", "i2", "i3", "i4", "i5", "i6", "i7",
5963 };
5964 static const char fregnames[32][4] = {
5965 "f0", "f2", "f4", "f6", "f8", "f10", "f12", "f14",
5966 "f16", "f18", "f20", "f22", "f24", "f26", "f28", "f30",
5967 "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46",
5968 "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62",
5969 };
5970
5971 static const struct { TCGv_i32 *ptr; int off; const char *name; } r32[] = {
5972 #ifdef TARGET_SPARC64
5973 { &cpu_xcc, offsetof(CPUSPARCState, xcc), "xcc" },
5974 { &cpu_fprs, offsetof(CPUSPARCState, fprs), "fprs" },
5975 #else
5976 { &cpu_wim, offsetof(CPUSPARCState, wim), "wim" },
5977 #endif
5978 { &cpu_cc_op, offsetof(CPUSPARCState, cc_op), "cc_op" },
5979 { &cpu_psr, offsetof(CPUSPARCState, psr), "psr" },
5980 };
5981
5982 static const struct { TCGv *ptr; int off; const char *name; } rtl[] = {
5983 #ifdef TARGET_SPARC64
5984 { &cpu_gsr, offsetof(CPUSPARCState, gsr), "gsr" },
5985 { &cpu_tick_cmpr, offsetof(CPUSPARCState, tick_cmpr), "tick_cmpr" },
5986 { &cpu_stick_cmpr, offsetof(CPUSPARCState, stick_cmpr), "stick_cmpr" },
5987 { &cpu_hstick_cmpr, offsetof(CPUSPARCState, hstick_cmpr),
5988 "hstick_cmpr" },
5989 { &cpu_hintp, offsetof(CPUSPARCState, hintp), "hintp" },
5990 { &cpu_htba, offsetof(CPUSPARCState, htba), "htba" },
5991 { &cpu_hver, offsetof(CPUSPARCState, hver), "hver" },
5992 { &cpu_ssr, offsetof(CPUSPARCState, ssr), "ssr" },
5993 { &cpu_ver, offsetof(CPUSPARCState, version), "ver" },
5994 #endif
5995 { &cpu_cond, offsetof(CPUSPARCState, cond), "cond" },
5996 { &cpu_cc_src, offsetof(CPUSPARCState, cc_src), "cc_src" },
5997 { &cpu_cc_src2, offsetof(CPUSPARCState, cc_src2), "cc_src2" },
5998 { &cpu_cc_dst, offsetof(CPUSPARCState, cc_dst), "cc_dst" },
5999 { &cpu_fsr, offsetof(CPUSPARCState, fsr), "fsr" },
6000 { &cpu_pc, offsetof(CPUSPARCState, pc), "pc" },
6001 { &cpu_npc, offsetof(CPUSPARCState, npc), "npc" },
6002 { &cpu_y, offsetof(CPUSPARCState, y), "y" },
6003 #ifndef CONFIG_USER_ONLY
6004 { &cpu_tbr, offsetof(CPUSPARCState, tbr), "tbr" },
6005 #endif
6006 };
6007
6008 unsigned int i;
6009
6010 cpu_regwptr = tcg_global_mem_new_ptr(cpu_env,
6011 offsetof(CPUSPARCState, regwptr),
6012 "regwptr");
6013
6014 for (i = 0; i < ARRAY_SIZE(r32); ++i) {
6015 *r32[i].ptr = tcg_global_mem_new_i32(cpu_env, r32[i].off, r32[i].name);
6016 }
6017
6018 for (i = 0; i < ARRAY_SIZE(rtl); ++i) {
6019 *rtl[i].ptr = tcg_global_mem_new(cpu_env, rtl[i].off, rtl[i].name);
6020 }
6021
6022 cpu_regs[0] = NULL;
6023 for (i = 1; i < 8; ++i) {
6024 cpu_regs[i] = tcg_global_mem_new(cpu_env,
6025 offsetof(CPUSPARCState, gregs[i]),
6026 gregnames[i]);
6027 }
6028
6029 for (i = 8; i < 32; ++i) {
6030 cpu_regs[i] = tcg_global_mem_new(cpu_regwptr,
6031 (i - 8) * sizeof(target_ulong),
6032 gregnames[i]);
6033 }
6034
6035 for (i = 0; i < TARGET_DPREGS; i++) {
6036 cpu_fpr[i] = tcg_global_mem_new_i64(cpu_env,
6037 offsetof(CPUSPARCState, fpr[i]),
6038 fregnames[i]);
6039 }
6040 }
6041
6042 void restore_state_to_opc(CPUSPARCState *env, TranslationBlock *tb,
6043 target_ulong *data)
6044 {
6045 target_ulong pc = data[0];
6046 target_ulong npc = data[1];
6047
6048 env->pc = pc;
6049 if (npc == DYNAMIC_PC) {
6050 /* dynamic NPC: already stored */
6051 } else if (npc & JUMP_PC) {
6052 /* jump PC: use 'cond' and the jump targets of the translation */
6053 if (env->cond) {
6054 env->npc = npc & ~3;
6055 } else {
6056 env->npc = pc + 4;
6057 }
6058 } else {
6059 env->npc = npc;
6060 }
6061 }
AR7 emulation for QEMU