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s390x: free tmp explicitly in every opcode for disas_a5()
[qemu/ar7.git] / target-s390x / translate.c
blobafeb5e6fd79773f1880db8948feb5320a253fa6f
1 /*
2 * S/390 translation
3 *
4 * Copyright (c) 2009 Ulrich Hecht
5 * Copyright (c) 2010 Alexander Graf
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 #include <stdarg.h>
21 #include <stdlib.h>
22 #include <stdio.h>
23 #include <string.h>
24 #include <inttypes.h>
25
26 /* #define DEBUG_ILLEGAL_INSTRUCTIONS */
27 /* #define DEBUG_INLINE_BRANCHES */
28 #define S390X_DEBUG_DISAS
29 /* #define S390X_DEBUG_DISAS_VERBOSE */
30
31 #ifdef S390X_DEBUG_DISAS_VERBOSE
32 # define LOG_DISAS(...) qemu_log(__VA_ARGS__)
33 #else
34 # define LOG_DISAS(...) do { } while (0)
35 #endif
36
37 #include "cpu.h"
38 #include "exec-all.h"
39 #include "disas.h"
40 #include "tcg-op.h"
41 #include "qemu-log.h"
42
43 /* global register indexes */
44 static TCGv_ptr cpu_env;
45
46 #include "gen-icount.h"
47 #include "helpers.h"
48 #define GEN_HELPER 1
49 #include "helpers.h"
50
51 typedef struct DisasContext DisasContext;
52 struct DisasContext {
53 uint64_t pc;
54 int is_jmp;
55 enum cc_op cc_op;
56 struct TranslationBlock *tb;
57 };
58
59 #define DISAS_EXCP 4
60
61 static void gen_op_calc_cc(DisasContext *s);
62
63 #ifdef DEBUG_INLINE_BRANCHES
64 static uint64_t inline_branch_hit[CC_OP_MAX];
65 static uint64_t inline_branch_miss[CC_OP_MAX];
66 #endif
67
68 static inline void debug_insn(uint64_t insn)
69 {
70 LOG_DISAS("insn: 0x%" PRIx64 "\n", insn);
71 }
72
73 static inline uint64_t pc_to_link_info(DisasContext *s, uint64_t pc)
74 {
75 if (!(s->tb->flags & FLAG_MASK_64)) {
76 if (s->tb->flags & FLAG_MASK_32) {
77 return pc | 0x80000000;
78 }
79 }
80 return pc;
81 }
82
83 void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
84 int flags)
85 {
86 int i;
87
88 for (i = 0; i < 16; i++) {
89 cpu_fprintf(f, "R%02d=%016" PRIx64, i, env->regs[i]);
90 if ((i % 4) == 3) {
91 cpu_fprintf(f, "\n");
92 } else {
93 cpu_fprintf(f, " ");
94 }
95 }
96
97 for (i = 0; i < 16; i++) {
98 cpu_fprintf(f, "F%02d=%016" PRIx64, i, *(uint64_t *)&env->fregs[i]);
99 if ((i % 4) == 3) {
100 cpu_fprintf(f, "\n");
101 } else {
102 cpu_fprintf(f, " ");
103 }
104 }
105
106 cpu_fprintf(f, "\n");
107
108 #ifndef CONFIG_USER_ONLY
109 for (i = 0; i < 16; i++) {
110 cpu_fprintf(f, "C%02d=%016" PRIx64, i, env->cregs[i]);
111 if ((i % 4) == 3) {
112 cpu_fprintf(f, "\n");
113 } else {
114 cpu_fprintf(f, " ");
115 }
116 }
117 #endif
118
119 cpu_fprintf(f, "\n");
120
121 if (env->cc_op > 3) {
122 cpu_fprintf(f, "PSW=mask %016" PRIx64 " addr %016" PRIx64 " cc %15s\n",
123 env->psw.mask, env->psw.addr, cc_name(env->cc_op));
124 } else {
125 cpu_fprintf(f, "PSW=mask %016" PRIx64 " addr %016" PRIx64 " cc %02x\n",
126 env->psw.mask, env->psw.addr, env->cc_op);
127 }
128
129 #ifdef DEBUG_INLINE_BRANCHES
130 for (i = 0; i < CC_OP_MAX; i++) {
131 cpu_fprintf(f, " %15s = %10ld\t%10ld\n", cc_name(i),
132 inline_branch_miss[i], inline_branch_hit[i]);
133 }
134 #endif
135 }
136
137 static TCGv_i64 psw_addr;
138 static TCGv_i64 psw_mask;
139
140 static TCGv_i32 cc_op;
141 static TCGv_i64 cc_src;
142 static TCGv_i64 cc_dst;
143 static TCGv_i64 cc_vr;
144
145 static char cpu_reg_names[10*3 + 6*4];
146 static TCGv_i64 regs[16];
147
148 static uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
149
150 void s390x_translate_init(void)
151 {
152 int i;
153 size_t cpu_reg_names_size = sizeof(cpu_reg_names);
154 char *p;
155
156 cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
157 psw_addr = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, psw.addr),
158 "psw_addr");
159 psw_mask = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, psw.mask),
160 "psw_mask");
161
162 cc_op = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUState, cc_op),
163 "cc_op");
164 cc_src = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, cc_src),
165 "cc_src");
166 cc_dst = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, cc_dst),
167 "cc_dst");
168 cc_vr = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, cc_vr),
169 "cc_vr");
170
171 p = cpu_reg_names;
172 for (i = 0; i < 16; i++) {
173 snprintf(p, cpu_reg_names_size, "r%d", i);
174 regs[i] = tcg_global_mem_new(TCG_AREG0,
175 offsetof(CPUState, regs[i]), p);
176 p += (i < 10) ? 3 : 4;
177 cpu_reg_names_size -= (i < 10) ? 3 : 4;
178 }
179 }
180
181 static inline TCGv_i64 load_reg(int reg)
182 {
183 TCGv_i64 r = tcg_temp_new_i64();
184 tcg_gen_mov_i64(r, regs[reg]);
185 return r;
186 }
187
188 static inline TCGv_i64 load_freg(int reg)
189 {
190 TCGv_i64 r = tcg_temp_new_i64();
191 tcg_gen_ld_i64(r, cpu_env, offsetof(CPUState, fregs[reg].d));
192 return r;
193 }
194
195 static inline TCGv_i32 load_freg32(int reg)
196 {
197 TCGv_i32 r = tcg_temp_new_i32();
198 tcg_gen_ld_i32(r, cpu_env, offsetof(CPUState, fregs[reg].l.upper));
199 return r;
200 }
201
202 static inline TCGv_i32 load_reg32(int reg)
203 {
204 TCGv_i32 r = tcg_temp_new_i32();
205 tcg_gen_trunc_i64_i32(r, regs[reg]);
206 return r;
207 }
208
209 static inline TCGv_i64 load_reg32_i64(int reg)
210 {
211 TCGv_i64 r = tcg_temp_new_i64();
212 tcg_gen_ext32s_i64(r, regs[reg]);
213 return r;
214 }
215
216 static inline void store_reg(int reg, TCGv_i64 v)
217 {
218 tcg_gen_mov_i64(regs[reg], v);
219 }
220
221 static inline void store_freg(int reg, TCGv_i64 v)
222 {
223 tcg_gen_st_i64(v, cpu_env, offsetof(CPUState, fregs[reg].d));
224 }
225
226 static inline void store_reg32(int reg, TCGv_i32 v)
227 {
228 #if HOST_LONG_BITS == 32
229 tcg_gen_mov_i32(TCGV_LOW(regs[reg]), v);
230 #else
231 TCGv_i64 tmp = tcg_temp_new_i64();
232 tcg_gen_extu_i32_i64(tmp, v);
233 /* 32 bit register writes keep the upper half */
234 tcg_gen_deposit_i64(regs[reg], regs[reg], tmp, 0, 32);
235 tcg_temp_free_i64(tmp);
236 #endif
237 }
238
239 static inline void store_reg32_i64(int reg, TCGv_i64 v)
240 {
241 /* 32 bit register writes keep the upper half */
242 #if HOST_LONG_BITS == 32
243 tcg_gen_mov_i32(TCGV_LOW(regs[reg]), TCGV_LOW(v));
244 #else
245 tcg_gen_deposit_i64(regs[reg], regs[reg], v, 0, 32);
246 #endif
247 }
248
249 static inline void store_reg16(int reg, TCGv_i32 v)
250 {
251 TCGv_i64 tmp = tcg_temp_new_i64();
252 tcg_gen_extu_i32_i64(tmp, v);
253 /* 16 bit register writes keep the upper bytes */
254 tcg_gen_deposit_i64(regs[reg], regs[reg], tmp, 0, 16);
255 tcg_temp_free_i64(tmp);
256 }
257
258 static inline void store_reg8(int reg, TCGv_i64 v)
259 {
260 /* 8 bit register writes keep the upper bytes */
261 tcg_gen_deposit_i64(regs[reg], regs[reg], v, 0, 8);
262 }
263
264 static inline void store_freg32(int reg, TCGv_i32 v)
265 {
266 tcg_gen_st_i32(v, cpu_env, offsetof(CPUState, fregs[reg].l.upper));
267 }
268
269 static inline void update_psw_addr(DisasContext *s)
270 {
271 /* psw.addr */
272 tcg_gen_movi_i64(psw_addr, s->pc);
273 }
274
275 static inline void potential_page_fault(DisasContext *s)
276 {
277 #ifndef CONFIG_USER_ONLY
278 update_psw_addr(s);
279 gen_op_calc_cc(s);
280 #endif
281 }
282
283 static inline uint64_t ld_code2(uint64_t pc)
284 {
285 return (uint64_t)lduw_code(pc);
286 }
287
288 static inline uint64_t ld_code4(uint64_t pc)
289 {
290 return (uint64_t)ldl_code(pc);
291 }
292
293 static inline uint64_t ld_code6(uint64_t pc)
294 {
295 uint64_t opc;
296 opc = (uint64_t)lduw_code(pc) << 32;
297 opc |= (uint64_t)(uint32_t)ldl_code(pc+2);
298 return opc;
299 }
300
301 static inline int get_mem_index(DisasContext *s)
302 {
303 switch (s->tb->flags & FLAG_MASK_ASC) {
304 case PSW_ASC_PRIMARY >> 32:
305 return 0;
306 case PSW_ASC_SECONDARY >> 32:
307 return 1;
308 case PSW_ASC_HOME >> 32:
309 return 2;
310 default:
311 tcg_abort();
312 break;
313 }
314 }
315
316 static inline void gen_debug(DisasContext *s)
317 {
318 TCGv_i32 tmp = tcg_const_i32(EXCP_DEBUG);
319 update_psw_addr(s);
320 gen_op_calc_cc(s);
321 gen_helper_exception(tmp);
322 tcg_temp_free_i32(tmp);
323 s->is_jmp = DISAS_EXCP;
324 }
325
326 #ifdef CONFIG_USER_ONLY
327
328 static void gen_illegal_opcode(DisasContext *s, int ilc)
329 {
330 TCGv_i32 tmp = tcg_const_i32(EXCP_SPEC);
331 update_psw_addr(s);
332 gen_op_calc_cc(s);
333 gen_helper_exception(tmp);
334 tcg_temp_free_i32(tmp);
335 s->is_jmp = DISAS_EXCP;
336 }
337
338 #else /* CONFIG_USER_ONLY */
339
340 static void debug_print_inst(DisasContext *s, int ilc)
341 {
342 #ifdef DEBUG_ILLEGAL_INSTRUCTIONS
343 uint64_t inst = 0;
344
345 switch (ilc & 3) {
346 case 1:
347 inst = ld_code2(s->pc);
348 break;
349 case 2:
350 inst = ld_code4(s->pc);
351 break;
352 case 3:
353 inst = ld_code6(s->pc);
354 break;
355 }
356
357 fprintf(stderr, "Illegal instruction [%d at %016" PRIx64 "]: 0x%016"
358 PRIx64 "\n", ilc, s->pc, inst);
359 #endif
360 }
361
362 static void gen_program_exception(DisasContext *s, int ilc, int code)
363 {
364 TCGv_i32 tmp;
365
366 debug_print_inst(s, ilc);
367
368 /* remember what pgm exeption this was */
369 tmp = tcg_const_i32(code);
370 tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUState, int_pgm_code));
371 tcg_temp_free_i32(tmp);
372
373 tmp = tcg_const_i32(ilc);
374 tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUState, int_pgm_ilc));
375 tcg_temp_free_i32(tmp);
376
377 /* advance past instruction */
378 s->pc += (ilc * 2);
379 update_psw_addr(s);
380
381 /* save off cc */
382 gen_op_calc_cc(s);
383
384 /* trigger exception */
385 tmp = tcg_const_i32(EXCP_PGM);
386 gen_helper_exception(tmp);
387 tcg_temp_free_i32(tmp);
388
389 /* end TB here */
390 s->is_jmp = DISAS_EXCP;
391 }
392
393
394 static void gen_illegal_opcode(DisasContext *s, int ilc)
395 {
396 gen_program_exception(s, ilc, PGM_SPECIFICATION);
397 }
398
399 static void gen_privileged_exception(DisasContext *s, int ilc)
400 {
401 gen_program_exception(s, ilc, PGM_PRIVILEGED);
402 }
403
404 static void check_privileged(DisasContext *s, int ilc)
405 {
406 if (s->tb->flags & (PSW_MASK_PSTATE >> 32)) {
407 gen_privileged_exception(s, ilc);
408 }
409 }
410
411 #endif /* CONFIG_USER_ONLY */
412
413 static TCGv_i64 get_address(DisasContext *s, int x2, int b2, int d2)
414 {
415 TCGv_i64 tmp;
416
417 /* 31-bitify the immediate part; register contents are dealt with below */
418 if (!(s->tb->flags & FLAG_MASK_64)) {
419 d2 &= 0x7fffffffUL;
420 }
421
422 if (x2) {
423 if (d2) {
424 tmp = tcg_const_i64(d2);
425 tcg_gen_add_i64(tmp, tmp, regs[x2]);
426 } else {
427 tmp = load_reg(x2);
428 }
429 if (b2) {
430 tcg_gen_add_i64(tmp, tmp, regs[b2]);
431 }
432 } else if (b2) {
433 if (d2) {
434 tmp = tcg_const_i64(d2);
435 tcg_gen_add_i64(tmp, tmp, regs[b2]);
436 } else {
437 tmp = load_reg(b2);
438 }
439 } else {
440 tmp = tcg_const_i64(d2);
441 }
442
443 /* 31-bit mode mask if there are values loaded from registers */
444 if (!(s->tb->flags & FLAG_MASK_64) && (x2 || b2)) {
445 tcg_gen_andi_i64(tmp, tmp, 0x7fffffffUL);
446 }
447
448 return tmp;
449 }
450
451 static void gen_op_movi_cc(DisasContext *s, uint32_t val)
452 {
453 s->cc_op = CC_OP_CONST0 + val;
454 }
455
456 static void gen_op_update1_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 dst)
457 {
458 tcg_gen_discard_i64(cc_src);
459 tcg_gen_mov_i64(cc_dst, dst);
460 tcg_gen_discard_i64(cc_vr);
461 s->cc_op = op;
462 }
463
464 static void gen_op_update1_cc_i32(DisasContext *s, enum cc_op op, TCGv_i32 dst)
465 {
466 tcg_gen_discard_i64(cc_src);
467 tcg_gen_extu_i32_i64(cc_dst, dst);
468 tcg_gen_discard_i64(cc_vr);
469 s->cc_op = op;
470 }
471
472 static void gen_op_update2_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 src,
473 TCGv_i64 dst)
474 {
475 tcg_gen_mov_i64(cc_src, src);
476 tcg_gen_mov_i64(cc_dst, dst);
477 tcg_gen_discard_i64(cc_vr);
478 s->cc_op = op;
479 }
480
481 static void gen_op_update2_cc_i32(DisasContext *s, enum cc_op op, TCGv_i32 src,
482 TCGv_i32 dst)
483 {
484 tcg_gen_extu_i32_i64(cc_src, src);
485 tcg_gen_extu_i32_i64(cc_dst, dst);
486 tcg_gen_discard_i64(cc_vr);
487 s->cc_op = op;
488 }
489
490 static void gen_op_update3_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 src,
491 TCGv_i64 dst, TCGv_i64 vr)
492 {
493 tcg_gen_mov_i64(cc_src, src);
494 tcg_gen_mov_i64(cc_dst, dst);
495 tcg_gen_mov_i64(cc_vr, vr);
496 s->cc_op = op;
497 }
498
499 static void gen_op_update3_cc_i32(DisasContext *s, enum cc_op op, TCGv_i32 src,
500 TCGv_i32 dst, TCGv_i32 vr)
501 {
502 tcg_gen_extu_i32_i64(cc_src, src);
503 tcg_gen_extu_i32_i64(cc_dst, dst);
504 tcg_gen_extu_i32_i64(cc_vr, vr);
505 s->cc_op = op;
506 }
507
508 static inline void set_cc_nz_u32(DisasContext *s, TCGv_i32 val)
509 {
510 gen_op_update1_cc_i32(s, CC_OP_NZ, val);
511 }
512
513 static inline void set_cc_nz_u64(DisasContext *s, TCGv_i64 val)
514 {
515 gen_op_update1_cc_i64(s, CC_OP_NZ, val);
516 }
517
518 static inline void cmp_32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2,
519 enum cc_op cond)
520 {
521 gen_op_update2_cc_i32(s, cond, v1, v2);
522 }
523
524 static inline void cmp_64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2,
525 enum cc_op cond)
526 {
527 gen_op_update2_cc_i64(s, cond, v1, v2);
528 }
529
530 static inline void cmp_s32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2)
531 {
532 cmp_32(s, v1, v2, CC_OP_LTGT_32);
533 }
534
535 static inline void cmp_u32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2)
536 {
537 cmp_32(s, v1, v2, CC_OP_LTUGTU_32);
538 }
539
540 static inline void cmp_s32c(DisasContext *s, TCGv_i32 v1, int32_t v2)
541 {
542 /* XXX optimize for the constant? put it in s? */
543 TCGv_i32 tmp = tcg_const_i32(v2);
544 cmp_32(s, v1, tmp, CC_OP_LTGT_32);
545 tcg_temp_free_i32(tmp);
546 }
547
548 static inline void cmp_u32c(DisasContext *s, TCGv_i32 v1, uint32_t v2)
549 {
550 TCGv_i32 tmp = tcg_const_i32(v2);
551 cmp_32(s, v1, tmp, CC_OP_LTUGTU_32);
552 tcg_temp_free_i32(tmp);
553 }
554
555 static inline void cmp_s64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2)
556 {
557 cmp_64(s, v1, v2, CC_OP_LTGT_64);
558 }
559
560 static inline void cmp_u64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2)
561 {
562 cmp_64(s, v1, v2, CC_OP_LTUGTU_64);
563 }
564
565 static inline void cmp_s64c(DisasContext *s, TCGv_i64 v1, int64_t v2)
566 {
567 TCGv_i64 tmp = tcg_const_i64(v2);
568 cmp_s64(s, v1, tmp);
569 tcg_temp_free_i64(tmp);
570 }
571
572 static inline void cmp_u64c(DisasContext *s, TCGv_i64 v1, uint64_t v2)
573 {
574 TCGv_i64 tmp = tcg_const_i64(v2);
575 cmp_u64(s, v1, tmp);
576 tcg_temp_free_i64(tmp);
577 }
578
579 static inline void set_cc_s32(DisasContext *s, TCGv_i32 val)
580 {
581 gen_op_update1_cc_i32(s, CC_OP_LTGT0_32, val);
582 }
583
584 static inline void set_cc_s64(DisasContext *s, TCGv_i64 val)
585 {
586 gen_op_update1_cc_i64(s, CC_OP_LTGT0_64, val);
587 }
588
589 static void set_cc_add64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2, TCGv_i64 vr)
590 {
591 gen_op_update3_cc_i64(s, CC_OP_ADD_64, v1, v2, vr);
592 }
593
594 static void set_cc_addu64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2,
595 TCGv_i64 vr)
596 {
597 gen_op_update3_cc_i64(s, CC_OP_ADDU_64, v1, v2, vr);
598 }
599
600 static void set_cc_sub64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2, TCGv_i64 vr)
601 {
602 gen_op_update3_cc_i64(s, CC_OP_SUB_64, v1, v2, vr);
603 }
604
605 static void set_cc_subu64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2,
606 TCGv_i64 vr)
607 {
608 gen_op_update3_cc_i64(s, CC_OP_SUBU_64, v1, v2, vr);
609 }
610
611 static void set_cc_abs64(DisasContext *s, TCGv_i64 v1)
612 {
613 gen_op_update1_cc_i64(s, CC_OP_ABS_64, v1);
614 }
615
616 static void set_cc_nabs64(DisasContext *s, TCGv_i64 v1)
617 {
618 gen_op_update1_cc_i64(s, CC_OP_NABS_64, v1);
619 }
620
621 static void set_cc_add32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2, TCGv_i32 vr)
622 {
623 gen_op_update3_cc_i32(s, CC_OP_ADD_32, v1, v2, vr);
624 }
625
626 static void set_cc_addu32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2,
627 TCGv_i32 vr)
628 {
629 gen_op_update3_cc_i32(s, CC_OP_ADDU_32, v1, v2, vr);
630 }
631
632 static void set_cc_sub32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2, TCGv_i32 vr)
633 {
634 gen_op_update3_cc_i32(s, CC_OP_SUB_32, v1, v2, vr);
635 }
636
637 static void set_cc_subu32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2,
638 TCGv_i32 vr)
639 {
640 gen_op_update3_cc_i32(s, CC_OP_SUBU_32, v1, v2, vr);
641 }
642
643 static void set_cc_abs32(DisasContext *s, TCGv_i32 v1)
644 {
645 gen_op_update1_cc_i32(s, CC_OP_ABS_32, v1);
646 }
647
648 static void set_cc_nabs32(DisasContext *s, TCGv_i32 v1)
649 {
650 gen_op_update1_cc_i32(s, CC_OP_NABS_32, v1);
651 }
652
653 static void set_cc_comp32(DisasContext *s, TCGv_i32 v1)
654 {
655 gen_op_update1_cc_i32(s, CC_OP_COMP_32, v1);
656 }
657
658 static void set_cc_comp64(DisasContext *s, TCGv_i64 v1)
659 {
660 gen_op_update1_cc_i64(s, CC_OP_COMP_64, v1);
661 }
662
663 static void set_cc_icm(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2)
664 {
665 gen_op_update2_cc_i32(s, CC_OP_ICM, v1, v2);
666 }
667
668 static void set_cc_cmp_f32_i64(DisasContext *s, TCGv_i32 v1, TCGv_i64 v2)
669 {
670 tcg_gen_extu_i32_i64(cc_src, v1);
671 tcg_gen_mov_i64(cc_dst, v2);
672 tcg_gen_discard_i64(cc_vr);
673 s->cc_op = CC_OP_LTGT_F32;
674 }
675
676 static void set_cc_nz_f32(DisasContext *s, TCGv_i32 v1)
677 {
678 gen_op_update1_cc_i32(s, CC_OP_NZ_F32, v1);
679 }
680
681 static inline void set_cc_nz_f64(DisasContext *s, TCGv_i64 v1)
682 {
683 gen_op_update1_cc_i64(s, CC_OP_NZ_F64, v1);
684 }
685
686 /* CC value is in env->cc_op */
687 static inline void set_cc_static(DisasContext *s)
688 {
689 tcg_gen_discard_i64(cc_src);
690 tcg_gen_discard_i64(cc_dst);
691 tcg_gen_discard_i64(cc_vr);
692 s->cc_op = CC_OP_STATIC;
693 }
694
695 static inline void gen_op_set_cc_op(DisasContext *s)
696 {
697 if (s->cc_op != CC_OP_DYNAMIC && s->cc_op != CC_OP_STATIC) {
698 tcg_gen_movi_i32(cc_op, s->cc_op);
699 }
700 }
701
702 static inline void gen_update_cc_op(DisasContext *s)
703 {
704 gen_op_set_cc_op(s);
705 }
706
707 /* calculates cc into cc_op */
708 static void gen_op_calc_cc(DisasContext *s)
709 {
710 TCGv_i32 local_cc_op = tcg_const_i32(s->cc_op);
711 TCGv_i64 dummy = tcg_const_i64(0);
712
713 switch (s->cc_op) {
714 case CC_OP_CONST0:
715 case CC_OP_CONST1:
716 case CC_OP_CONST2:
717 case CC_OP_CONST3:
718 /* s->cc_op is the cc value */
719 tcg_gen_movi_i32(cc_op, s->cc_op - CC_OP_CONST0);
720 break;
721 case CC_OP_STATIC:
722 /* env->cc_op already is the cc value */
723 break;
724 case CC_OP_NZ:
725 case CC_OP_ABS_64:
726 case CC_OP_NABS_64:
727 case CC_OP_ABS_32:
728 case CC_OP_NABS_32:
729 case CC_OP_LTGT0_32:
730 case CC_OP_LTGT0_64:
731 case CC_OP_COMP_32:
732 case CC_OP_COMP_64:
733 case CC_OP_NZ_F32:
734 case CC_OP_NZ_F64:
735 /* 1 argument */
736 gen_helper_calc_cc(cc_op, local_cc_op, dummy, cc_dst, dummy);
737 break;
738 case CC_OP_ICM:
739 case CC_OP_LTGT_32:
740 case CC_OP_LTGT_64:
741 case CC_OP_LTUGTU_32:
742 case CC_OP_LTUGTU_64:
743 case CC_OP_TM_32:
744 case CC_OP_TM_64:
745 case CC_OP_LTGT_F32:
746 case CC_OP_LTGT_F64:
747 case CC_OP_SLAG:
748 /* 2 arguments */
749 gen_helper_calc_cc(cc_op, local_cc_op, cc_src, cc_dst, dummy);
750 break;
751 case CC_OP_ADD_64:
752 case CC_OP_ADDU_64:
753 case CC_OP_SUB_64:
754 case CC_OP_SUBU_64:
755 case CC_OP_ADD_32:
756 case CC_OP_ADDU_32:
757 case CC_OP_SUB_32:
758 case CC_OP_SUBU_32:
759 /* 3 arguments */
760 gen_helper_calc_cc(cc_op, local_cc_op, cc_src, cc_dst, cc_vr);
761 break;
762 case CC_OP_DYNAMIC:
763 /* unknown operation - assume 3 arguments and cc_op in env */
764 gen_helper_calc_cc(cc_op, cc_op, cc_src, cc_dst, cc_vr);
765 break;
766 default:
767 tcg_abort();
768 }
769
770 tcg_temp_free_i32(local_cc_op);
771
772 /* We now have cc in cc_op as constant */
773 set_cc_static(s);
774 }
775
776 static inline void decode_rr(DisasContext *s, uint64_t insn, int *r1, int *r2)
777 {
778 debug_insn(insn);
779
780 *r1 = (insn >> 4) & 0xf;
781 *r2 = insn & 0xf;
782 }
783
784 static inline TCGv_i64 decode_rx(DisasContext *s, uint64_t insn, int *r1,
785 int *x2, int *b2, int *d2)
786 {
787 debug_insn(insn);
788
789 *r1 = (insn >> 20) & 0xf;
790 *x2 = (insn >> 16) & 0xf;
791 *b2 = (insn >> 12) & 0xf;
792 *d2 = insn & 0xfff;
793
794 return get_address(s, *x2, *b2, *d2);
795 }
796
797 static inline void decode_rs(DisasContext *s, uint64_t insn, int *r1, int *r3,
798 int *b2, int *d2)
799 {
800 debug_insn(insn);
801
802 *r1 = (insn >> 20) & 0xf;
803 /* aka m3 */
804 *r3 = (insn >> 16) & 0xf;
805 *b2 = (insn >> 12) & 0xf;
806 *d2 = insn & 0xfff;
807 }
808
809 static inline TCGv_i64 decode_si(DisasContext *s, uint64_t insn, int *i2,
810 int *b1, int *d1)
811 {
812 debug_insn(insn);
813
814 *i2 = (insn >> 16) & 0xff;
815 *b1 = (insn >> 12) & 0xf;
816 *d1 = insn & 0xfff;
817
818 return get_address(s, 0, *b1, *d1);
819 }
820
821 static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong pc)
822 {
823 TranslationBlock *tb;
824
825 gen_update_cc_op(s);
826
827 tb = s->tb;
828 /* NOTE: we handle the case where the TB spans two pages here */
829 if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) ||
830 (pc & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK)) {
831 /* jump to same page: we can use a direct jump */
832 tcg_gen_goto_tb(tb_num);
833 tcg_gen_movi_i64(psw_addr, pc);
834 tcg_gen_exit_tb((long)tb + tb_num);
835 } else {
836 /* jump to another page: currently not optimized */
837 tcg_gen_movi_i64(psw_addr, pc);
838 tcg_gen_exit_tb(0);
839 }
840 }
841
842 static inline void account_noninline_branch(DisasContext *s, int cc_op)
843 {
844 #ifdef DEBUG_INLINE_BRANCHES
845 inline_branch_miss[cc_op]++;
846 #endif
847 }
848
849 static inline void account_inline_branch(DisasContext *s)
850 {
851 #ifdef DEBUG_INLINE_BRANCHES
852 inline_branch_hit[s->cc_op]++;
853 #endif
854 }
855
856 static void gen_jcc(DisasContext *s, uint32_t mask, int skip)
857 {
858 TCGv_i32 tmp, tmp2, r;
859 TCGv_i64 tmp64;
860 int old_cc_op;
861
862 switch (s->cc_op) {
863 case CC_OP_LTGT0_32:
864 tmp = tcg_temp_new_i32();
865 tcg_gen_trunc_i64_i32(tmp, cc_dst);
866 switch (mask) {
867 case 0x8 | 0x4: /* dst <= 0 */
868 tcg_gen_brcondi_i32(TCG_COND_GT, tmp, 0, skip);
869 break;
870 case 0x8 | 0x2: /* dst >= 0 */
871 tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, skip);
872 break;
873 case 0x8: /* dst == 0 */
874 tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, skip);
875 break;
876 case 0x7: /* dst != 0 */
877 case 0x6: /* dst != 0 */
878 tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, skip);
879 break;
880 case 0x4: /* dst < 0 */
881 tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, skip);
882 break;
883 case 0x2: /* dst > 0 */
884 tcg_gen_brcondi_i32(TCG_COND_LE, tmp, 0, skip);
885 break;
886 default:
887 tcg_temp_free_i32(tmp);
888 goto do_dynamic;
889 }
890 account_inline_branch(s);
891 tcg_temp_free_i32(tmp);
892 break;
893 case CC_OP_LTGT0_64:
894 switch (mask) {
895 case 0x8 | 0x4: /* dst <= 0 */
896 tcg_gen_brcondi_i64(TCG_COND_GT, cc_dst, 0, skip);
897 break;
898 case 0x8 | 0x2: /* dst >= 0 */
899 tcg_gen_brcondi_i64(TCG_COND_LT, cc_dst, 0, skip);
900 break;
901 case 0x8: /* dst == 0 */
902 tcg_gen_brcondi_i64(TCG_COND_NE, cc_dst, 0, skip);
903 break;
904 case 0x7: /* dst != 0 */
905 case 0x6: /* dst != 0 */
906 tcg_gen_brcondi_i64(TCG_COND_EQ, cc_dst, 0, skip);
907 break;
908 case 0x4: /* dst < 0 */
909 tcg_gen_brcondi_i64(TCG_COND_GE, cc_dst, 0, skip);
910 break;
911 case 0x2: /* dst > 0 */
912 tcg_gen_brcondi_i64(TCG_COND_LE, cc_dst, 0, skip);
913 break;
914 default:
915 goto do_dynamic;
916 }
917 account_inline_branch(s);
918 break;
919 case CC_OP_LTGT_32:
920 tmp = tcg_temp_new_i32();
921 tmp2 = tcg_temp_new_i32();
922 tcg_gen_trunc_i64_i32(tmp, cc_src);
923 tcg_gen_trunc_i64_i32(tmp2, cc_dst);
924 switch (mask) {
925 case 0x8 | 0x4: /* src <= dst */
926 tcg_gen_brcond_i32(TCG_COND_GT, tmp, tmp2, skip);
927 break;
928 case 0x8 | 0x2: /* src >= dst */
929 tcg_gen_brcond_i32(TCG_COND_LT, tmp, tmp2, skip);
930 break;
931 case 0x8: /* src == dst */
932 tcg_gen_brcond_i32(TCG_COND_NE, tmp, tmp2, skip);
933 break;
934 case 0x7: /* src != dst */
935 case 0x6: /* src != dst */
936 tcg_gen_brcond_i32(TCG_COND_EQ, tmp, tmp2, skip);
937 break;
938 case 0x4: /* src < dst */
939 tcg_gen_brcond_i32(TCG_COND_GE, tmp, tmp2, skip);
940 break;
941 case 0x2: /* src > dst */
942 tcg_gen_brcond_i32(TCG_COND_LE, tmp, tmp2, skip);
943 break;
944 default:
945 tcg_temp_free_i32(tmp);
946 tcg_temp_free_i32(tmp2);
947 goto do_dynamic;
948 }
949 account_inline_branch(s);
950 tcg_temp_free_i32(tmp);
951 tcg_temp_free_i32(tmp2);
952 break;
953 case CC_OP_LTGT_64:
954 switch (mask) {
955 case 0x8 | 0x4: /* src <= dst */
956 tcg_gen_brcond_i64(TCG_COND_GT, cc_src, cc_dst, skip);
957 break;
958 case 0x8 | 0x2: /* src >= dst */
959 tcg_gen_brcond_i64(TCG_COND_LT, cc_src, cc_dst, skip);
960 break;
961 case 0x8: /* src == dst */
962 tcg_gen_brcond_i64(TCG_COND_NE, cc_src, cc_dst, skip);
963 break;
964 case 0x7: /* src != dst */
965 case 0x6: /* src != dst */
966 tcg_gen_brcond_i64(TCG_COND_EQ, cc_src, cc_dst, skip);
967 break;
968 case 0x4: /* src < dst */
969 tcg_gen_brcond_i64(TCG_COND_GE, cc_src, cc_dst, skip);
970 break;
971 case 0x2: /* src > dst */
972 tcg_gen_brcond_i64(TCG_COND_LE, cc_src, cc_dst, skip);
973 break;
974 default:
975 goto do_dynamic;
976 }
977 account_inline_branch(s);
978 break;
979 case CC_OP_LTUGTU_32:
980 tmp = tcg_temp_new_i32();
981 tmp2 = tcg_temp_new_i32();
982 tcg_gen_trunc_i64_i32(tmp, cc_src);
983 tcg_gen_trunc_i64_i32(tmp2, cc_dst);
984 switch (mask) {
985 case 0x8 | 0x4: /* src <= dst */
986 tcg_gen_brcond_i32(TCG_COND_GTU, tmp, tmp2, skip);
987 break;
988 case 0x8 | 0x2: /* src >= dst */
989 tcg_gen_brcond_i32(TCG_COND_LTU, tmp, tmp2, skip);
990 break;
991 case 0x8: /* src == dst */
992 tcg_gen_brcond_i32(TCG_COND_NE, tmp, tmp2, skip);
993 break;
994 case 0x7: /* src != dst */
995 case 0x6: /* src != dst */
996 tcg_gen_brcond_i32(TCG_COND_EQ, tmp, tmp2, skip);
997 break;
998 case 0x4: /* src < dst */
999 tcg_gen_brcond_i32(TCG_COND_GEU, tmp, tmp2, skip);
1000 break;
1001 case 0x2: /* src > dst */
1002 tcg_gen_brcond_i32(TCG_COND_LEU, tmp, tmp2, skip);
1003 break;
1004 default:
1005 tcg_temp_free_i32(tmp);
1006 tcg_temp_free_i32(tmp2);
1007 goto do_dynamic;
1008 }
1009 account_inline_branch(s);
1010 tcg_temp_free_i32(tmp);
1011 tcg_temp_free_i32(tmp2);
1012 break;
1013 case CC_OP_LTUGTU_64:
1014 switch (mask) {
1015 case 0x8 | 0x4: /* src <= dst */
1016 tcg_gen_brcond_i64(TCG_COND_GTU, cc_src, cc_dst, skip);
1017 break;
1018 case 0x8 | 0x2: /* src >= dst */
1019 tcg_gen_brcond_i64(TCG_COND_LTU, cc_src, cc_dst, skip);
1020 break;
1021 case 0x8: /* src == dst */
1022 tcg_gen_brcond_i64(TCG_COND_NE, cc_src, cc_dst, skip);
1023 break;
1024 case 0x7: /* src != dst */
1025 case 0x6: /* src != dst */
1026 tcg_gen_brcond_i64(TCG_COND_EQ, cc_src, cc_dst, skip);
1027 break;
1028 case 0x4: /* src < dst */
1029 tcg_gen_brcond_i64(TCG_COND_GEU, cc_src, cc_dst, skip);
1030 break;
1031 case 0x2: /* src > dst */
1032 tcg_gen_brcond_i64(TCG_COND_LEU, cc_src, cc_dst, skip);
1033 break;
1034 default:
1035 goto do_dynamic;
1036 }
1037 account_inline_branch(s);
1038 break;
1039 case CC_OP_NZ:
1040 switch (mask) {
1041 /* dst == 0 || dst != 0 */
1042 case 0x8 | 0x4:
1043 case 0x8 | 0x4 | 0x2:
1044 case 0x8 | 0x4 | 0x2 | 0x1:
1045 case 0x8 | 0x4 | 0x1:
1046 break;
1047 /* dst == 0 */
1048 case 0x8:
1049 case 0x8 | 0x2:
1050 case 0x8 | 0x2 | 0x1:
1051 case 0x8 | 0x1:
1052 tcg_gen_brcondi_i64(TCG_COND_NE, cc_dst, 0, skip);
1053 break;
1054 /* dst != 0 */
1055 case 0x4:
1056 case 0x4 | 0x2:
1057 case 0x4 | 0x2 | 0x1:
1058 case 0x4 | 0x1:
1059 tcg_gen_brcondi_i64(TCG_COND_EQ, cc_dst, 0, skip);
1060 break;
1061 default:
1062 goto do_dynamic;
1063 }
1064 account_inline_branch(s);
1065 break;
1066 case CC_OP_TM_32:
1067 tmp = tcg_temp_new_i32();
1068 tmp2 = tcg_temp_new_i32();
1069
1070 tcg_gen_trunc_i64_i32(tmp, cc_src);
1071 tcg_gen_trunc_i64_i32(tmp2, cc_dst);
1072 tcg_gen_and_i32(tmp, tmp, tmp2);
1073 switch (mask) {
1074 case 0x8: /* val & mask == 0 */
1075 tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, skip);
1076 break;
1077 case 0x4 | 0x2 | 0x1: /* val & mask != 0 */
1078 tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, skip);
1079 break;
1080 default:
1081 tcg_temp_free_i32(tmp);
1082 tcg_temp_free_i32(tmp2);
1083 goto do_dynamic;
1084 }
1085 tcg_temp_free_i32(tmp);
1086 tcg_temp_free_i32(tmp2);
1087 account_inline_branch(s);
1088 break;
1089 case CC_OP_TM_64:
1090 tmp64 = tcg_temp_new_i64();
1091
1092 tcg_gen_and_i64(tmp64, cc_src, cc_dst);
1093 switch (mask) {
1094 case 0x8: /* val & mask == 0 */
1095 tcg_gen_brcondi_i64(TCG_COND_NE, tmp64, 0, skip);
1096 break;
1097 case 0x4 | 0x2 | 0x1: /* val & mask != 0 */
1098 tcg_gen_brcondi_i64(TCG_COND_EQ, tmp64, 0, skip);
1099 break;
1100 default:
1101 tcg_temp_free_i64(tmp64);
1102 goto do_dynamic;
1103 }
1104 tcg_temp_free_i64(tmp64);
1105 account_inline_branch(s);
1106 break;
1107 case CC_OP_ICM:
1108 switch (mask) {
1109 case 0x8: /* val == 0 */
1110 tcg_gen_brcondi_i64(TCG_COND_NE, cc_dst, 0, skip);
1111 break;
1112 case 0x4 | 0x2 | 0x1: /* val != 0 */
1113 case 0x4 | 0x2: /* val != 0 */
1114 tcg_gen_brcondi_i64(TCG_COND_EQ, cc_dst, 0, skip);
1115 break;
1116 default:
1117 goto do_dynamic;
1118 }
1119 account_inline_branch(s);
1120 break;
1121 case CC_OP_STATIC:
1122 old_cc_op = s->cc_op;
1123 goto do_dynamic_nocccalc;
1124 case CC_OP_DYNAMIC:
1125 default:
1126 do_dynamic:
1127 old_cc_op = s->cc_op;
1128 /* calculate cc value */
1129 gen_op_calc_cc(s);
1130
1131 do_dynamic_nocccalc:
1132 /* jump based on cc */
1133 account_noninline_branch(s, old_cc_op);
1134
1135 switch (mask) {
1136 case 0x8 | 0x4 | 0x2 | 0x1:
1137 /* always true */
1138 break;
1139 case 0x8 | 0x4 | 0x2: /* cc != 3 */
1140 tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 3, skip);
1141 break;
1142 case 0x8 | 0x4 | 0x1: /* cc != 2 */
1143 tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 2, skip);
1144 break;
1145 case 0x8 | 0x2 | 0x1: /* cc != 1 */
1146 tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 1, skip);
1147 break;
1148 case 0x8 | 0x2: /* cc == 0 || cc == 2 */
1149 tmp = tcg_temp_new_i32();
1150 tcg_gen_andi_i32(tmp, cc_op, 1);
1151 tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, skip);
1152 tcg_temp_free_i32(tmp);
1153 break;
1154 case 0x8 | 0x4: /* cc < 2 */
1155 tcg_gen_brcondi_i32(TCG_COND_GEU, cc_op, 2, skip);
1156 break;
1157 case 0x8: /* cc == 0 */
1158 tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 0, skip);
1159 break;
1160 case 0x4 | 0x2 | 0x1: /* cc != 0 */
1161 tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 0, skip);
1162 break;
1163 case 0x4 | 0x1: /* cc == 1 || cc == 3 */
1164 tmp = tcg_temp_new_i32();
1165 tcg_gen_andi_i32(tmp, cc_op, 1);
1166 tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, skip);
1167 tcg_temp_free_i32(tmp);
1168 break;
1169 case 0x4: /* cc == 1 */
1170 tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 1, skip);
1171 break;
1172 case 0x2 | 0x1: /* cc > 1 */
1173 tcg_gen_brcondi_i32(TCG_COND_LEU, cc_op, 1, skip);
1174 break;
1175 case 0x2: /* cc == 2 */
1176 tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 2, skip);
1177 break;
1178 case 0x1: /* cc == 3 */
1179 tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 3, skip);
1180 break;
1181 default: /* cc is masked by something else */
1182 tmp = tcg_const_i32(3);
1183 /* 3 - cc */
1184 tcg_gen_sub_i32(tmp, tmp, cc_op);
1185 tmp2 = tcg_const_i32(1);
1186 /* 1 << (3 - cc) */
1187 tcg_gen_shl_i32(tmp2, tmp2, tmp);
1188 r = tcg_const_i32(mask);
1189 /* mask & (1 << (3 - cc)) */
1190 tcg_gen_and_i32(r, r, tmp2);
1191 tcg_temp_free_i32(tmp);
1192 tcg_temp_free_i32(tmp2);
1193
1194 tcg_gen_brcondi_i32(TCG_COND_EQ, r, 0, skip);
1195 tcg_temp_free_i32(r);
1196 break;
1197 }
1198 break;
1199 }
1200 }
1201
1202 static void gen_bcr(DisasContext *s, uint32_t mask, TCGv_i64 target,
1203 uint64_t offset)
1204 {
1205 int skip;
1206
1207 if (mask == 0xf) {
1208 /* unconditional */
1209 tcg_gen_mov_i64(psw_addr, target);
1210 tcg_gen_exit_tb(0);
1211 } else if (mask == 0) {
1212 /* ignore cc and never match */
1213 gen_goto_tb(s, 0, offset + 2);
1214 } else {
1215 TCGv_i64 new_addr = tcg_temp_local_new_i64();
1216
1217 tcg_gen_mov_i64(new_addr, target);
1218 skip = gen_new_label();
1219 gen_jcc(s, mask, skip);
1220 tcg_gen_mov_i64(psw_addr, new_addr);
1221 tcg_temp_free_i64(new_addr);
1222 tcg_gen_exit_tb(0);
1223 gen_set_label(skip);
1224 tcg_temp_free_i64(new_addr);
1225 gen_goto_tb(s, 1, offset + 2);
1226 }
1227 }
1228
1229 static void gen_brc(uint32_t mask, DisasContext *s, int32_t offset)
1230 {
1231 int skip;
1232
1233 if (mask == 0xf) {
1234 /* unconditional */
1235 gen_goto_tb(s, 0, s->pc + offset);
1236 } else if (mask == 0) {
1237 /* ignore cc and never match */
1238 gen_goto_tb(s, 0, s->pc + 4);
1239 } else {
1240 skip = gen_new_label();
1241 gen_jcc(s, mask, skip);
1242 gen_goto_tb(s, 0, s->pc + offset);
1243 gen_set_label(skip);
1244 gen_goto_tb(s, 1, s->pc + 4);
1245 }
1246 s->is_jmp = DISAS_TB_JUMP;
1247 }
1248
1249 static void gen_op_mvc(DisasContext *s, int l, TCGv_i64 s1, TCGv_i64 s2)
1250 {
1251 TCGv_i64 tmp, tmp2;
1252 int i;
1253 int l_memset = gen_new_label();
1254 int l_out = gen_new_label();
1255 TCGv_i64 dest = tcg_temp_local_new_i64();
1256 TCGv_i64 src = tcg_temp_local_new_i64();
1257 TCGv_i32 vl;
1258
1259 /* Find out if we should use the inline version of mvc */
1260 switch (l) {
1261 case 0:
1262 case 1:
1263 case 2:
1264 case 3:
1265 case 4:
1266 case 5:
1267 case 6:
1268 case 7:
1269 case 11:
1270 case 15:
1271 /* use inline */
1272 break;
1273 default:
1274 /* Fall back to helper */
1275 vl = tcg_const_i32(l);
1276 potential_page_fault(s);
1277 gen_helper_mvc(vl, s1, s2);
1278 tcg_temp_free_i32(vl);
1279 return;
1280 }
1281
1282 tcg_gen_mov_i64(dest, s1);
1283 tcg_gen_mov_i64(src, s2);
1284
1285 if (!(s->tb->flags & FLAG_MASK_64)) {
1286 /* XXX what if we overflow while moving? */
1287 tcg_gen_andi_i64(dest, dest, 0x7fffffffUL);
1288 tcg_gen_andi_i64(src, src, 0x7fffffffUL);
1289 }
1290
1291 tmp = tcg_temp_new_i64();
1292 tcg_gen_addi_i64(tmp, src, 1);
1293 tcg_gen_brcond_i64(TCG_COND_EQ, dest, tmp, l_memset);
1294 tcg_temp_free_i64(tmp);
1295
1296 switch (l) {
1297 case 0:
1298 tmp = tcg_temp_new_i64();
1299
1300 tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
1301 tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
1302
1303 tcg_temp_free_i64(tmp);
1304 break;
1305 case 1:
1306 tmp = tcg_temp_new_i64();
1307
1308 tcg_gen_qemu_ld16u(tmp, src, get_mem_index(s));
1309 tcg_gen_qemu_st16(tmp, dest, get_mem_index(s));
1310
1311 tcg_temp_free_i64(tmp);
1312 break;
1313 case 3:
1314 tmp = tcg_temp_new_i64();
1315
1316 tcg_gen_qemu_ld32u(tmp, src, get_mem_index(s));
1317 tcg_gen_qemu_st32(tmp, dest, get_mem_index(s));
1318
1319 tcg_temp_free_i64(tmp);
1320 break;
1321 case 4:
1322 tmp = tcg_temp_new_i64();
1323 tmp2 = tcg_temp_new_i64();
1324
1325 tcg_gen_qemu_ld32u(tmp, src, get_mem_index(s));
1326 tcg_gen_addi_i64(src, src, 4);
1327 tcg_gen_qemu_ld8u(tmp2, src, get_mem_index(s));
1328 tcg_gen_qemu_st32(tmp, dest, get_mem_index(s));
1329 tcg_gen_addi_i64(dest, dest, 4);
1330 tcg_gen_qemu_st8(tmp2, dest, get_mem_index(s));
1331
1332 tcg_temp_free_i64(tmp);
1333 tcg_temp_free_i64(tmp2);
1334 break;
1335 case 7:
1336 tmp = tcg_temp_new_i64();
1337
1338 tcg_gen_qemu_ld64(tmp, src, get_mem_index(s));
1339 tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
1340
1341 tcg_temp_free_i64(tmp);
1342 break;
1343 default:
1344 /* The inline version can become too big for too uneven numbers, only
1345 use it on known good lengths */
1346 tmp = tcg_temp_new_i64();
1347 tmp2 = tcg_const_i64(8);
1348 for (i = 0; (i + 7) <= l; i += 8) {
1349 tcg_gen_qemu_ld64(tmp, src, get_mem_index(s));
1350 tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
1351
1352 tcg_gen_add_i64(src, src, tmp2);
1353 tcg_gen_add_i64(dest, dest, tmp2);
1354 }
1355
1356 tcg_temp_free_i64(tmp2);
1357 tmp2 = tcg_const_i64(1);
1358
1359 for (; i <= l; i++) {
1360 tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
1361 tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
1362
1363 tcg_gen_add_i64(src, src, tmp2);
1364 tcg_gen_add_i64(dest, dest, tmp2);
1365 }
1366
1367 tcg_temp_free_i64(tmp2);
1368 tcg_temp_free_i64(tmp);
1369 break;
1370 }
1371
1372 tcg_gen_br(l_out);
1373
1374 gen_set_label(l_memset);
1375 /* memset case (dest == (src + 1)) */
1376
1377 tmp = tcg_temp_new_i64();
1378 tmp2 = tcg_temp_new_i64();
1379 /* fill tmp with the byte */
1380 tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
1381 tcg_gen_shli_i64(tmp2, tmp, 8);
1382 tcg_gen_or_i64(tmp, tmp, tmp2);
1383 tcg_gen_shli_i64(tmp2, tmp, 16);
1384 tcg_gen_or_i64(tmp, tmp, tmp2);
1385 tcg_gen_shli_i64(tmp2, tmp, 32);
1386 tcg_gen_or_i64(tmp, tmp, tmp2);
1387 tcg_temp_free_i64(tmp2);
1388
1389 tmp2 = tcg_const_i64(8);
1390
1391 for (i = 0; (i + 7) <= l; i += 8) {
1392 tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
1393 tcg_gen_addi_i64(dest, dest, 8);
1394 }
1395
1396 tcg_temp_free_i64(tmp2);
1397 tmp2 = tcg_const_i64(1);
1398
1399 for (; i <= l; i++) {
1400 tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
1401 tcg_gen_addi_i64(dest, dest, 1);
1402 }
1403
1404 tcg_temp_free_i64(tmp2);
1405 tcg_temp_free_i64(tmp);
1406
1407 gen_set_label(l_out);
1408
1409 tcg_temp_free(dest);
1410 tcg_temp_free(src);
1411 }
1412
1413 static void gen_op_clc(DisasContext *s, int l, TCGv_i64 s1, TCGv_i64 s2)
1414 {
1415 TCGv_i64 tmp;
1416 TCGv_i64 tmp2;
1417 TCGv_i32 vl;
1418
1419 /* check for simple 32bit or 64bit match */
1420 switch (l) {
1421 case 0:
1422 tmp = tcg_temp_new_i64();
1423 tmp2 = tcg_temp_new_i64();
1424
1425 tcg_gen_qemu_ld8u(tmp, s1, get_mem_index(s));
1426 tcg_gen_qemu_ld8u(tmp2, s2, get_mem_index(s));
1427 cmp_u64(s, tmp, tmp2);
1428
1429 tcg_temp_free_i64(tmp);
1430 tcg_temp_free_i64(tmp2);
1431 return;
1432 case 1:
1433 tmp = tcg_temp_new_i64();
1434 tmp2 = tcg_temp_new_i64();
1435
1436 tcg_gen_qemu_ld16u(tmp, s1, get_mem_index(s));
1437 tcg_gen_qemu_ld16u(tmp2, s2, get_mem_index(s));
1438 cmp_u64(s, tmp, tmp2);
1439
1440 tcg_temp_free_i64(tmp);
1441 tcg_temp_free_i64(tmp2);
1442 return;
1443 case 3:
1444 tmp = tcg_temp_new_i64();
1445 tmp2 = tcg_temp_new_i64();
1446
1447 tcg_gen_qemu_ld32u(tmp, s1, get_mem_index(s));
1448 tcg_gen_qemu_ld32u(tmp2, s2, get_mem_index(s));
1449 cmp_u64(s, tmp, tmp2);
1450
1451 tcg_temp_free_i64(tmp);
1452 tcg_temp_free_i64(tmp2);
1453 return;
1454 case 7:
1455 tmp = tcg_temp_new_i64();
1456 tmp2 = tcg_temp_new_i64();
1457
1458 tcg_gen_qemu_ld64(tmp, s1, get_mem_index(s));
1459 tcg_gen_qemu_ld64(tmp2, s2, get_mem_index(s));
1460 cmp_u64(s, tmp, tmp2);
1461
1462 tcg_temp_free_i64(tmp);
1463 tcg_temp_free_i64(tmp2);
1464 return;
1465 }
1466
1467 potential_page_fault(s);
1468 vl = tcg_const_i32(l);
1469 gen_helper_clc(cc_op, vl, s1, s2);
1470 tcg_temp_free_i32(vl);
1471 set_cc_static(s);
1472 }
1473
1474 static void disas_e3(DisasContext* s, int op, int r1, int x2, int b2, int d2)
1475 {
1476 TCGv_i64 addr, tmp, tmp2, tmp3, tmp4;
1477 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
1478
1479 LOG_DISAS("disas_e3: op 0x%x r1 %d x2 %d b2 %d d2 %d\n",
1480 op, r1, x2, b2, d2);
1481 addr = get_address(s, x2, b2, d2);
1482 switch (op) {
1483 case 0x2: /* LTG R1,D2(X2,B2) [RXY] */
1484 case 0x4: /* lg r1,d2(x2,b2) */
1485 tcg_gen_qemu_ld64(regs[r1], addr, get_mem_index(s));
1486 if (op == 0x2) {
1487 set_cc_s64(s, regs[r1]);
1488 }
1489 break;
1490 case 0x12: /* LT R1,D2(X2,B2) [RXY] */
1491 tmp2 = tcg_temp_new_i64();
1492 tmp32_1 = tcg_temp_new_i32();
1493 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1494 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
1495 store_reg32(r1, tmp32_1);
1496 set_cc_s32(s, tmp32_1);
1497 tcg_temp_free_i64(tmp2);
1498 tcg_temp_free_i32(tmp32_1);
1499 break;
1500 case 0xc: /* MSG R1,D2(X2,B2) [RXY] */
1501 case 0x1c: /* MSGF R1,D2(X2,B2) [RXY] */
1502 tmp2 = tcg_temp_new_i64();
1503 if (op == 0xc) {
1504 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1505 } else {
1506 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1507 }
1508 tcg_gen_mul_i64(regs[r1], regs[r1], tmp2);
1509 tcg_temp_free_i64(tmp2);
1510 break;
1511 case 0xd: /* DSG R1,D2(X2,B2) [RXY] */
1512 case 0x1d: /* DSGF R1,D2(X2,B2) [RXY] */
1513 tmp2 = tcg_temp_new_i64();
1514 if (op == 0x1d) {
1515 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1516 } else {
1517 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1518 }
1519 tmp4 = load_reg(r1 + 1);
1520 tmp3 = tcg_temp_new_i64();
1521 tcg_gen_div_i64(tmp3, tmp4, tmp2);
1522 store_reg(r1 + 1, tmp3);
1523 tcg_gen_rem_i64(tmp3, tmp4, tmp2);
1524 store_reg(r1, tmp3);
1525 tcg_temp_free_i64(tmp2);
1526 tcg_temp_free_i64(tmp3);
1527 tcg_temp_free_i64(tmp4);
1528 break;
1529 case 0x8: /* AG R1,D2(X2,B2) [RXY] */
1530 case 0xa: /* ALG R1,D2(X2,B2) [RXY] */
1531 case 0x18: /* AGF R1,D2(X2,B2) [RXY] */
1532 case 0x1a: /* ALGF R1,D2(X2,B2) [RXY] */
1533 if (op == 0x1a) {
1534 tmp2 = tcg_temp_new_i64();
1535 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1536 } else if (op == 0x18) {
1537 tmp2 = tcg_temp_new_i64();
1538 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1539 } else {
1540 tmp2 = tcg_temp_new_i64();
1541 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1542 }
1543 tmp4 = load_reg(r1);
1544 tmp3 = tcg_temp_new_i64();
1545 tcg_gen_add_i64(tmp3, tmp4, tmp2);
1546 store_reg(r1, tmp3);
1547 switch (op) {
1548 case 0x8:
1549 case 0x18:
1550 set_cc_add64(s, tmp4, tmp2, tmp3);
1551 break;
1552 case 0xa:
1553 case 0x1a:
1554 set_cc_addu64(s, tmp4, tmp2, tmp3);
1555 break;
1556 default:
1557 tcg_abort();
1558 }
1559 tcg_temp_free_i64(tmp2);
1560 tcg_temp_free_i64(tmp3);
1561 tcg_temp_free_i64(tmp4);
1562 break;
1563 case 0x9: /* SG R1,D2(X2,B2) [RXY] */
1564 case 0xb: /* SLG R1,D2(X2,B2) [RXY] */
1565 case 0x19: /* SGF R1,D2(X2,B2) [RXY] */
1566 case 0x1b: /* SLGF R1,D2(X2,B2) [RXY] */
1567 tmp2 = tcg_temp_new_i64();
1568 if (op == 0x19) {
1569 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1570 } else if (op == 0x1b) {
1571 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1572 } else {
1573 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1574 }
1575 tmp4 = load_reg(r1);
1576 tmp3 = tcg_temp_new_i64();
1577 tcg_gen_sub_i64(tmp3, tmp4, tmp2);
1578 store_reg(r1, tmp3);
1579 switch (op) {
1580 case 0x9:
1581 case 0x19:
1582 set_cc_sub64(s, tmp4, tmp2, tmp3);
1583 break;
1584 case 0xb:
1585 case 0x1b:
1586 set_cc_subu64(s, tmp4, tmp2, tmp3);
1587 break;
1588 default:
1589 tcg_abort();
1590 }
1591 tcg_temp_free_i64(tmp2);
1592 tcg_temp_free_i64(tmp3);
1593 tcg_temp_free_i64(tmp4);
1594 break;
1595 case 0xf: /* LRVG R1,D2(X2,B2) [RXE] */
1596 tmp2 = tcg_temp_new_i64();
1597 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1598 tcg_gen_bswap64_i64(tmp2, tmp2);
1599 store_reg(r1, tmp2);
1600 tcg_temp_free_i64(tmp2);
1601 break;
1602 case 0x14: /* LGF R1,D2(X2,B2) [RXY] */
1603 case 0x16: /* LLGF R1,D2(X2,B2) [RXY] */
1604 tmp2 = tcg_temp_new_i64();
1605 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1606 if (op == 0x14) {
1607 tcg_gen_ext32s_i64(tmp2, tmp2);
1608 }
1609 store_reg(r1, tmp2);
1610 tcg_temp_free_i64(tmp2);
1611 break;
1612 case 0x15: /* LGH R1,D2(X2,B2) [RXY] */
1613 tmp2 = tcg_temp_new_i64();
1614 tcg_gen_qemu_ld16s(tmp2, addr, get_mem_index(s));
1615 store_reg(r1, tmp2);
1616 tcg_temp_free_i64(tmp2);
1617 break;
1618 case 0x17: /* LLGT R1,D2(X2,B2) [RXY] */
1619 tmp2 = tcg_temp_new_i64();
1620 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1621 tcg_gen_andi_i64(tmp2, tmp2, 0x7fffffffULL);
1622 store_reg(r1, tmp2);
1623 tcg_temp_free_i64(tmp2);
1624 break;
1625 case 0x1e: /* LRV R1,D2(X2,B2) [RXY] */
1626 tmp2 = tcg_temp_new_i64();
1627 tmp32_1 = tcg_temp_new_i32();
1628 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1629 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
1630 tcg_temp_free_i64(tmp2);
1631 tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
1632 store_reg32(r1, tmp32_1);
1633 tcg_temp_free_i32(tmp32_1);
1634 break;
1635 case 0x1f: /* LRVH R1,D2(X2,B2) [RXY] */
1636 tmp2 = tcg_temp_new_i64();
1637 tmp32_1 = tcg_temp_new_i32();
1638 tcg_gen_qemu_ld16u(tmp2, addr, get_mem_index(s));
1639 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
1640 tcg_temp_free_i64(tmp2);
1641 tcg_gen_bswap16_i32(tmp32_1, tmp32_1);
1642 store_reg16(r1, tmp32_1);
1643 tcg_temp_free_i32(tmp32_1);
1644 break;
1645 case 0x20: /* CG R1,D2(X2,B2) [RXY] */
1646 case 0x21: /* CLG R1,D2(X2,B2) */
1647 case 0x30: /* CGF R1,D2(X2,B2) [RXY] */
1648 case 0x31: /* CLGF R1,D2(X2,B2) [RXY] */
1649 tmp2 = tcg_temp_new_i64();
1650 switch (op) {
1651 case 0x20:
1652 case 0x21:
1653 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1654 break;
1655 case 0x30:
1656 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1657 break;
1658 case 0x31:
1659 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1660 break;
1661 default:
1662 tcg_abort();
1663 }
1664 switch (op) {
1665 case 0x20:
1666 case 0x30:
1667 cmp_s64(s, regs[r1], tmp2);
1668 break;
1669 case 0x21:
1670 case 0x31:
1671 cmp_u64(s, regs[r1], tmp2);
1672 break;
1673 default:
1674 tcg_abort();
1675 }
1676 tcg_temp_free_i64(tmp2);
1677 break;
1678 case 0x24: /* stg r1, d2(x2,b2) */
1679 tcg_gen_qemu_st64(regs[r1], addr, get_mem_index(s));
1680 break;
1681 case 0x3e: /* STRV R1,D2(X2,B2) [RXY] */
1682 tmp32_1 = load_reg32(r1);
1683 tmp2 = tcg_temp_new_i64();
1684 tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
1685 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
1686 tcg_temp_free_i32(tmp32_1);
1687 tcg_gen_qemu_st32(tmp2, addr, get_mem_index(s));
1688 tcg_temp_free_i64(tmp2);
1689 break;
1690 case 0x50: /* STY R1,D2(X2,B2) [RXY] */
1691 tmp32_1 = load_reg32(r1);
1692 tmp2 = tcg_temp_new_i64();
1693 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
1694 tcg_temp_free_i32(tmp32_1);
1695 tcg_gen_qemu_st32(tmp2, addr, get_mem_index(s));
1696 tcg_temp_free_i64(tmp2);
1697 break;
1698 case 0x57: /* XY R1,D2(X2,B2) [RXY] */
1699 tmp32_1 = load_reg32(r1);
1700 tmp32_2 = tcg_temp_new_i32();
1701 tmp2 = tcg_temp_new_i64();
1702 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1703 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
1704 tcg_temp_free_i64(tmp2);
1705 tcg_gen_xor_i32(tmp32_2, tmp32_1, tmp32_2);
1706 store_reg32(r1, tmp32_2);
1707 set_cc_nz_u32(s, tmp32_2);
1708 tcg_temp_free_i32(tmp32_1);
1709 tcg_temp_free_i32(tmp32_2);
1710 break;
1711 case 0x58: /* LY R1,D2(X2,B2) [RXY] */
1712 tmp3 = tcg_temp_new_i64();
1713 tcg_gen_qemu_ld32u(tmp3, addr, get_mem_index(s));
1714 store_reg32_i64(r1, tmp3);
1715 tcg_temp_free_i64(tmp3);
1716 break;
1717 case 0x5a: /* AY R1,D2(X2,B2) [RXY] */
1718 case 0x5b: /* SY R1,D2(X2,B2) [RXY] */
1719 tmp32_1 = load_reg32(r1);
1720 tmp32_2 = tcg_temp_new_i32();
1721 tmp32_3 = tcg_temp_new_i32();
1722 tmp2 = tcg_temp_new_i64();
1723 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1724 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
1725 tcg_temp_free_i64(tmp2);
1726 switch (op) {
1727 case 0x5a:
1728 tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
1729 break;
1730 case 0x5b:
1731 tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
1732 break;
1733 default:
1734 tcg_abort();
1735 }
1736 store_reg32(r1, tmp32_3);
1737 switch (op) {
1738 case 0x5a:
1739 set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
1740 break;
1741 case 0x5b:
1742 set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
1743 break;
1744 default:
1745 tcg_abort();
1746 }
1747 tcg_temp_free_i32(tmp32_1);
1748 tcg_temp_free_i32(tmp32_2);
1749 tcg_temp_free_i32(tmp32_3);
1750 break;
1751 case 0x71: /* LAY R1,D2(X2,B2) [RXY] */
1752 store_reg(r1, addr);
1753 break;
1754 case 0x72: /* STCY R1,D2(X2,B2) [RXY] */
1755 tmp32_1 = load_reg32(r1);
1756 tmp2 = tcg_temp_new_i64();
1757 tcg_gen_ext_i32_i64(tmp2, tmp32_1);
1758 tcg_gen_qemu_st8(tmp2, addr, get_mem_index(s));
1759 tcg_temp_free_i32(tmp32_1);
1760 tcg_temp_free_i64(tmp2);
1761 break;
1762 case 0x73: /* ICY R1,D2(X2,B2) [RXY] */
1763 tmp3 = tcg_temp_new_i64();
1764 tcg_gen_qemu_ld8u(tmp3, addr, get_mem_index(s));
1765 store_reg8(r1, tmp3);
1766 tcg_temp_free_i64(tmp3);
1767 break;
1768 case 0x76: /* LB R1,D2(X2,B2) [RXY] */
1769 case 0x77: /* LGB R1,D2(X2,B2) [RXY] */
1770 tmp2 = tcg_temp_new_i64();
1771 tcg_gen_qemu_ld8s(tmp2, addr, get_mem_index(s));
1772 switch (op) {
1773 case 0x76:
1774 tcg_gen_ext8s_i64(tmp2, tmp2);
1775 store_reg32_i64(r1, tmp2);
1776 break;
1777 case 0x77:
1778 tcg_gen_ext8s_i64(tmp2, tmp2);
1779 store_reg(r1, tmp2);
1780 break;
1781 default:
1782 tcg_abort();
1783 }
1784 tcg_temp_free_i64(tmp2);
1785 break;
1786 case 0x78: /* LHY R1,D2(X2,B2) [RXY] */
1787 tmp2 = tcg_temp_new_i64();
1788 tcg_gen_qemu_ld16s(tmp2, addr, get_mem_index(s));
1789 store_reg32_i64(r1, tmp2);
1790 tcg_temp_free_i64(tmp2);
1791 break;
1792 case 0x80: /* NG R1,D2(X2,B2) [RXY] */
1793 case 0x81: /* OG R1,D2(X2,B2) [RXY] */
1794 case 0x82: /* XG R1,D2(X2,B2) [RXY] */
1795 tmp3 = tcg_temp_new_i64();
1796 tcg_gen_qemu_ld64(tmp3, addr, get_mem_index(s));
1797 switch (op) {
1798 case 0x80:
1799 tcg_gen_and_i64(regs[r1], regs[r1], tmp3);
1800 break;
1801 case 0x81:
1802 tcg_gen_or_i64(regs[r1], regs[r1], tmp3);
1803 break;
1804 case 0x82:
1805 tcg_gen_xor_i64(regs[r1], regs[r1], tmp3);
1806 break;
1807 default:
1808 tcg_abort();
1809 }
1810 set_cc_nz_u64(s, regs[r1]);
1811 tcg_temp_free_i64(tmp3);
1812 break;
1813 case 0x86: /* MLG R1,D2(X2,B2) [RXY] */
1814 tmp2 = tcg_temp_new_i64();
1815 tmp32_1 = tcg_const_i32(r1);
1816 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1817 gen_helper_mlg(tmp32_1, tmp2);
1818 tcg_temp_free_i64(tmp2);
1819 tcg_temp_free_i32(tmp32_1);
1820 break;
1821 case 0x87: /* DLG R1,D2(X2,B2) [RXY] */
1822 tmp2 = tcg_temp_new_i64();
1823 tmp32_1 = tcg_const_i32(r1);
1824 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1825 gen_helper_dlg(tmp32_1, tmp2);
1826 tcg_temp_free_i64(tmp2);
1827 tcg_temp_free_i32(tmp32_1);
1828 break;
1829 case 0x88: /* ALCG R1,D2(X2,B2) [RXY] */
1830 tmp2 = tcg_temp_new_i64();
1831 tmp3 = tcg_temp_new_i64();
1832 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1833 /* XXX possible optimization point */
1834 gen_op_calc_cc(s);
1835 tcg_gen_extu_i32_i64(tmp3, cc_op);
1836 tcg_gen_shri_i64(tmp3, tmp3, 1);
1837 tcg_gen_andi_i64(tmp3, tmp3, 1);
1838 tcg_gen_add_i64(tmp3, tmp2, tmp3);
1839 tcg_gen_add_i64(tmp3, regs[r1], tmp3);
1840 store_reg(r1, tmp3);
1841 set_cc_addu64(s, regs[r1], tmp2, tmp3);
1842 tcg_temp_free_i64(tmp2);
1843 tcg_temp_free_i64(tmp3);
1844 break;
1845 case 0x89: /* SLBG R1,D2(X2,B2) [RXY] */
1846 tmp2 = tcg_temp_new_i64();
1847 tmp32_1 = tcg_const_i32(r1);
1848 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1849 /* XXX possible optimization point */
1850 gen_op_calc_cc(s);
1851 gen_helper_slbg(cc_op, cc_op, tmp32_1, regs[r1], tmp2);
1852 set_cc_static(s);
1853 tcg_temp_free_i64(tmp2);
1854 tcg_temp_free_i32(tmp32_1);
1855 break;
1856 case 0x90: /* LLGC R1,D2(X2,B2) [RXY] */
1857 tcg_gen_qemu_ld8u(regs[r1], addr, get_mem_index(s));
1858 break;
1859 case 0x91: /* LLGH R1,D2(X2,B2) [RXY] */
1860 tcg_gen_qemu_ld16u(regs[r1], addr, get_mem_index(s));
1861 break;
1862 case 0x94: /* LLC R1,D2(X2,B2) [RXY] */
1863 tmp2 = tcg_temp_new_i64();
1864 tcg_gen_qemu_ld8u(tmp2, addr, get_mem_index(s));
1865 store_reg32_i64(r1, tmp2);
1866 tcg_temp_free_i64(tmp2);
1867 break;
1868 case 0x95: /* LLH R1,D2(X2,B2) [RXY] */
1869 tmp2 = tcg_temp_new_i64();
1870 tcg_gen_qemu_ld16u(tmp2, addr, get_mem_index(s));
1871 store_reg32_i64(r1, tmp2);
1872 tcg_temp_free_i64(tmp2);
1873 break;
1874 case 0x96: /* ML R1,D2(X2,B2) [RXY] */
1875 tmp2 = tcg_temp_new_i64();
1876 tmp3 = load_reg((r1 + 1) & 15);
1877 tcg_gen_ext32u_i64(tmp3, tmp3);
1878 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1879 tcg_gen_mul_i64(tmp2, tmp2, tmp3);
1880 store_reg32_i64((r1 + 1) & 15, tmp2);
1881 tcg_gen_shri_i64(tmp2, tmp2, 32);
1882 store_reg32_i64(r1, tmp2);
1883 tcg_temp_free_i64(tmp2);
1884 tcg_temp_free_i64(tmp3);
1885 break;
1886 case 0x97: /* DL R1,D2(X2,B2) [RXY] */
1887 /* reg(r1) = reg(r1, r1+1) % ld32(addr) */
1888 /* reg(r1+1) = reg(r1, r1+1) / ld32(addr) */
1889 tmp = load_reg(r1);
1890 tmp2 = tcg_temp_new_i64();
1891 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1892 tmp3 = load_reg((r1 + 1) & 15);
1893 tcg_gen_ext32u_i64(tmp2, tmp2);
1894 tcg_gen_ext32u_i64(tmp3, tmp3);
1895 tcg_gen_shli_i64(tmp, tmp, 32);
1896 tcg_gen_or_i64(tmp, tmp, tmp3);
1897
1898 tcg_gen_rem_i64(tmp3, tmp, tmp2);
1899 tcg_gen_div_i64(tmp, tmp, tmp2);
1900 store_reg32_i64((r1 + 1) & 15, tmp);
1901 store_reg32_i64(r1, tmp3);
1902 tcg_temp_free_i64(tmp);
1903 tcg_temp_free_i64(tmp2);
1904 tcg_temp_free_i64(tmp3);
1905 break;
1906 case 0x98: /* ALC R1,D2(X2,B2) [RXY] */
1907 tmp2 = tcg_temp_new_i64();
1908 tmp32_1 = load_reg32(r1);
1909 tmp32_2 = tcg_temp_new_i32();
1910 tmp32_3 = tcg_temp_new_i32();
1911 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1912 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
1913 /* XXX possible optimization point */
1914 gen_op_calc_cc(s);
1915 gen_helper_addc_u32(tmp32_3, cc_op, tmp32_1, tmp32_2);
1916 set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
1917 store_reg32(r1, tmp32_3);
1918 tcg_temp_free_i64(tmp2);
1919 tcg_temp_free_i32(tmp32_1);
1920 tcg_temp_free_i32(tmp32_2);
1921 tcg_temp_free_i32(tmp32_3);
1922 break;
1923 case 0x99: /* SLB R1,D2(X2,B2) [RXY] */
1924 tmp2 = tcg_temp_new_i64();
1925 tmp32_1 = tcg_const_i32(r1);
1926 tmp32_2 = tcg_temp_new_i32();
1927 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1928 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
1929 /* XXX possible optimization point */
1930 gen_op_calc_cc(s);
1931 gen_helper_slb(cc_op, cc_op, tmp32_1, tmp32_2);
1932 set_cc_static(s);
1933 tcg_temp_free_i64(tmp2);
1934 tcg_temp_free_i32(tmp32_1);
1935 tcg_temp_free_i32(tmp32_2);
1936 break;
1937 default:
1938 LOG_DISAS("illegal e3 operation 0x%x\n", op);
1939 gen_illegal_opcode(s, 3);
1940 break;
1941 }
1942 tcg_temp_free_i64(addr);
1943 }
1944
1945 #ifndef CONFIG_USER_ONLY
1946 static void disas_e5(DisasContext* s, uint64_t insn)
1947 {
1948 TCGv_i64 tmp, tmp2;
1949 int op = (insn >> 32) & 0xff;
1950
1951 tmp = get_address(s, 0, (insn >> 28) & 0xf, (insn >> 16) & 0xfff);
1952 tmp2 = get_address(s, 0, (insn >> 12) & 0xf, insn & 0xfff);
1953
1954 LOG_DISAS("disas_e5: insn %" PRIx64 "\n", insn);
1955 switch (op) {
1956 case 0x01: /* TPROT D1(B1),D2(B2) [SSE] */
1957 /* Test Protection */
1958 potential_page_fault(s);
1959 gen_helper_tprot(cc_op, tmp, tmp2);
1960 set_cc_static(s);
1961 break;
1962 default:
1963 LOG_DISAS("illegal e5 operation 0x%x\n", op);
1964 gen_illegal_opcode(s, 3);
1965 break;
1966 }
1967
1968 tcg_temp_free_i64(tmp);
1969 tcg_temp_free_i64(tmp2);
1970 }
1971 #endif
1972
1973 static void disas_eb(DisasContext *s, int op, int r1, int r3, int b2, int d2)
1974 {
1975 TCGv_i64 tmp, tmp2, tmp3, tmp4;
1976 TCGv_i32 tmp32_1, tmp32_2;
1977 int i, stm_len;
1978 int ilc = 3;
1979
1980 LOG_DISAS("disas_eb: op 0x%x r1 %d r3 %d b2 %d d2 0x%x\n",
1981 op, r1, r3, b2, d2);
1982 switch (op) {
1983 case 0xc: /* SRLG R1,R3,D2(B2) [RSY] */
1984 case 0xd: /* SLLG R1,R3,D2(B2) [RSY] */
1985 case 0xa: /* SRAG R1,R3,D2(B2) [RSY] */
1986 case 0xb: /* SLAG R1,R3,D2(B2) [RSY] */
1987 case 0x1c: /* RLLG R1,R3,D2(B2) [RSY] */
1988 if (b2) {
1989 tmp = get_address(s, 0, b2, d2);
1990 tcg_gen_andi_i64(tmp, tmp, 0x3f);
1991 } else {
1992 tmp = tcg_const_i64(d2 & 0x3f);
1993 }
1994 switch (op) {
1995 case 0xc:
1996 tcg_gen_shr_i64(regs[r1], regs[r3], tmp);
1997 break;
1998 case 0xd:
1999 tcg_gen_shl_i64(regs[r1], regs[r3], tmp);
2000 break;
2001 case 0xa:
2002 tcg_gen_sar_i64(regs[r1], regs[r3], tmp);
2003 break;
2004 case 0xb:
2005 tmp2 = tcg_temp_new_i64();
2006 tmp3 = tcg_temp_new_i64();
2007 gen_op_update2_cc_i64(s, CC_OP_SLAG, regs[r3], tmp);
2008 tcg_gen_shl_i64(tmp2, regs[r3], tmp);
2009 /* override sign bit with source sign */
2010 tcg_gen_andi_i64(tmp2, tmp2, ~0x8000000000000000ULL);
2011 tcg_gen_andi_i64(tmp3, regs[r3], 0x8000000000000000ULL);
2012 tcg_gen_or_i64(regs[r1], tmp2, tmp3);
2013 tcg_temp_free_i64(tmp2);
2014 tcg_temp_free_i64(tmp3);
2015 break;
2016 case 0x1c:
2017 tcg_gen_rotl_i64(regs[r1], regs[r3], tmp);
2018 break;
2019 default:
2020 tcg_abort();
2021 break;
2022 }
2023 if (op == 0xa) {
2024 set_cc_s64(s, regs[r1]);
2025 }
2026 tcg_temp_free_i64(tmp);
2027 break;
2028 case 0x1d: /* RLL R1,R3,D2(B2) [RSY] */
2029 if (b2) {
2030 tmp = get_address(s, 0, b2, d2);
2031 tcg_gen_andi_i64(tmp, tmp, 0x3f);
2032 } else {
2033 tmp = tcg_const_i64(d2 & 0x3f);
2034 }
2035 tmp32_1 = tcg_temp_new_i32();
2036 tmp32_2 = load_reg32(r3);
2037 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
2038 switch (op) {
2039 case 0x1d:
2040 tcg_gen_rotl_i32(tmp32_1, tmp32_2, tmp32_1);
2041 break;
2042 default:
2043 tcg_abort();
2044 break;
2045 }
2046 store_reg32(r1, tmp32_1);
2047 tcg_temp_free_i64(tmp);
2048 tcg_temp_free_i32(tmp32_1);
2049 tcg_temp_free_i32(tmp32_2);
2050 break;
2051 case 0x4: /* LMG R1,R3,D2(B2) [RSE] */
2052 case 0x24: /* STMG R1,R3,D2(B2) [RSE] */
2053 stm_len = 8;
2054 goto do_mh;
2055 case 0x26: /* STMH R1,R3,D2(B2) [RSE] */
2056 case 0x96: /* LMH R1,R3,D2(B2) [RSE] */
2057 stm_len = 4;
2058 do_mh:
2059 /* Apparently, unrolling lmg/stmg of any size gains performance -
2060 even for very long ones... */
2061 tmp = get_address(s, 0, b2, d2);
2062 tmp3 = tcg_const_i64(stm_len);
2063 tmp4 = tcg_const_i64(op == 0x26 ? 32 : 4);
2064 for (i = r1;; i = (i + 1) % 16) {
2065 switch (op) {
2066 case 0x4:
2067 tcg_gen_qemu_ld64(regs[i], tmp, get_mem_index(s));
2068 break;
2069 case 0x96:
2070 tmp2 = tcg_temp_new_i64();
2071 #if HOST_LONG_BITS == 32
2072 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
2073 tcg_gen_trunc_i64_i32(TCGV_HIGH(regs[i]), tmp2);
2074 #else
2075 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
2076 tcg_gen_shl_i64(tmp2, tmp2, tmp4);
2077 tcg_gen_ext32u_i64(regs[i], regs[i]);
2078 tcg_gen_or_i64(regs[i], regs[i], tmp2);
2079 #endif
2080 tcg_temp_free_i64(tmp2);
2081 break;
2082 case 0x24:
2083 tcg_gen_qemu_st64(regs[i], tmp, get_mem_index(s));
2084 break;
2085 case 0x26:
2086 tmp2 = tcg_temp_new_i64();
2087 tcg_gen_shr_i64(tmp2, regs[i], tmp4);
2088 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
2089 tcg_temp_free_i64(tmp2);
2090 break;
2091 default:
2092 tcg_abort();
2093 }
2094 if (i == r3) {
2095 break;
2096 }
2097 tcg_gen_add_i64(tmp, tmp, tmp3);
2098 }
2099 tcg_temp_free_i64(tmp);
2100 tcg_temp_free_i64(tmp3);
2101 tcg_temp_free_i64(tmp4);
2102 break;
2103 case 0x2c: /* STCMH R1,M3,D2(B2) [RSY] */
2104 tmp = get_address(s, 0, b2, d2);
2105 tmp32_1 = tcg_const_i32(r1);
2106 tmp32_2 = tcg_const_i32(r3);
2107 potential_page_fault(s);
2108 gen_helper_stcmh(tmp32_1, tmp, tmp32_2);
2109 tcg_temp_free_i64(tmp);
2110 tcg_temp_free_i32(tmp32_1);
2111 tcg_temp_free_i32(tmp32_2);
2112 break;
2113 #ifndef CONFIG_USER_ONLY
2114 case 0x2f: /* LCTLG R1,R3,D2(B2) [RSE] */
2115 /* Load Control */
2116 check_privileged(s, ilc);
2117 tmp = get_address(s, 0, b2, d2);
2118 tmp32_1 = tcg_const_i32(r1);
2119 tmp32_2 = tcg_const_i32(r3);
2120 potential_page_fault(s);
2121 gen_helper_lctlg(tmp32_1, tmp, tmp32_2);
2122 tcg_temp_free_i64(tmp);
2123 tcg_temp_free_i32(tmp32_1);
2124 tcg_temp_free_i32(tmp32_2);
2125 break;
2126 case 0x25: /* STCTG R1,R3,D2(B2) [RSE] */
2127 /* Store Control */
2128 check_privileged(s, ilc);
2129 tmp = get_address(s, 0, b2, d2);
2130 tmp32_1 = tcg_const_i32(r1);
2131 tmp32_2 = tcg_const_i32(r3);
2132 potential_page_fault(s);
2133 gen_helper_stctg(tmp32_1, tmp, tmp32_2);
2134 tcg_temp_free_i64(tmp);
2135 tcg_temp_free_i32(tmp32_1);
2136 tcg_temp_free_i32(tmp32_2);
2137 break;
2138 #endif
2139 case 0x30: /* CSG R1,R3,D2(B2) [RSY] */
2140 tmp = get_address(s, 0, b2, d2);
2141 tmp32_1 = tcg_const_i32(r1);
2142 tmp32_2 = tcg_const_i32(r3);
2143 potential_page_fault(s);
2144 /* XXX rewrite in tcg */
2145 gen_helper_csg(cc_op, tmp32_1, tmp, tmp32_2);
2146 set_cc_static(s);
2147 tcg_temp_free_i64(tmp);
2148 tcg_temp_free_i32(tmp32_1);
2149 tcg_temp_free_i32(tmp32_2);
2150 break;
2151 case 0x3e: /* CDSG R1,R3,D2(B2) [RSY] */
2152 tmp = get_address(s, 0, b2, d2);
2153 tmp32_1 = tcg_const_i32(r1);
2154 tmp32_2 = tcg_const_i32(r3);
2155 potential_page_fault(s);
2156 /* XXX rewrite in tcg */
2157 gen_helper_cdsg(cc_op, tmp32_1, tmp, tmp32_2);
2158 set_cc_static(s);
2159 tcg_temp_free_i64(tmp);
2160 tcg_temp_free_i32(tmp32_1);
2161 tcg_temp_free_i32(tmp32_2);
2162 break;
2163 case 0x51: /* TMY D1(B1),I2 [SIY] */
2164 tmp = get_address(s, 0, b2, d2); /* SIY -> this is the destination */
2165 tmp2 = tcg_const_i64((r1 << 4) | r3);
2166 tcg_gen_qemu_ld8u(tmp, tmp, get_mem_index(s));
2167 /* yes, this is a 32 bit operation with 64 bit tcg registers, because
2168 that incurs less conversions */
2169 cmp_64(s, tmp, tmp2, CC_OP_TM_32);
2170 tcg_temp_free_i64(tmp);
2171 tcg_temp_free_i64(tmp2);
2172 break;
2173 case 0x52: /* MVIY D1(B1),I2 [SIY] */
2174 tmp = get_address(s, 0, b2, d2); /* SIY -> this is the destination */
2175 tmp2 = tcg_const_i64((r1 << 4) | r3);
2176 tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
2177 tcg_temp_free_i64(tmp);
2178 tcg_temp_free_i64(tmp2);
2179 break;
2180 case 0x55: /* CLIY D1(B1),I2 [SIY] */
2181 tmp3 = get_address(s, 0, b2, d2); /* SIY -> this is the 1st operand */
2182 tmp = tcg_temp_new_i64();
2183 tmp32_1 = tcg_temp_new_i32();
2184 tcg_gen_qemu_ld8u(tmp, tmp3, get_mem_index(s));
2185 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
2186 cmp_u32c(s, tmp32_1, (r1 << 4) | r3);
2187 tcg_temp_free_i64(tmp);
2188 tcg_temp_free_i64(tmp3);
2189 tcg_temp_free_i32(tmp32_1);
2190 break;
2191 case 0x80: /* ICMH R1,M3,D2(B2) [RSY] */
2192 tmp = get_address(s, 0, b2, d2);
2193 tmp32_1 = tcg_const_i32(r1);
2194 tmp32_2 = tcg_const_i32(r3);
2195 potential_page_fault(s);
2196 /* XXX split CC calculation out */
2197 gen_helper_icmh(cc_op, tmp32_1, tmp, tmp32_2);
2198 set_cc_static(s);
2199 tcg_temp_free_i64(tmp);
2200 tcg_temp_free_i32(tmp32_1);
2201 tcg_temp_free_i32(tmp32_2);
2202 break;
2203 default:
2204 LOG_DISAS("illegal eb operation 0x%x\n", op);
2205 gen_illegal_opcode(s, ilc);
2206 break;
2207 }
2208 }
2209
2210 static void disas_ed(DisasContext *s, int op, int r1, int x2, int b2, int d2,
2211 int r1b)
2212 {
2213 TCGv_i32 tmp_r1, tmp32;
2214 TCGv_i64 addr, tmp;
2215 addr = get_address(s, x2, b2, d2);
2216 tmp_r1 = tcg_const_i32(r1);
2217 switch (op) {
2218 case 0x5: /* LXDB R1,D2(X2,B2) [RXE] */
2219 potential_page_fault(s);
2220 gen_helper_lxdb(tmp_r1, addr);
2221 break;
2222 case 0x9: /* CEB R1,D2(X2,B2) [RXE] */
2223 tmp = tcg_temp_new_i64();
2224 tmp32 = load_freg32(r1);
2225 tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
2226 set_cc_cmp_f32_i64(s, tmp32, tmp);
2227 tcg_temp_free_i64(tmp);
2228 tcg_temp_free_i32(tmp32);
2229 break;
2230 case 0xa: /* AEB R1,D2(X2,B2) [RXE] */
2231 tmp = tcg_temp_new_i64();
2232 tmp32 = tcg_temp_new_i32();
2233 tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
2234 tcg_gen_trunc_i64_i32(tmp32, tmp);
2235 gen_helper_aeb(tmp_r1, tmp32);
2236 tcg_temp_free_i64(tmp);
2237 tcg_temp_free_i32(tmp32);
2238
2239 tmp32 = load_freg32(r1);
2240 set_cc_nz_f32(s, tmp32);
2241 tcg_temp_free_i32(tmp32);
2242 break;
2243 case 0xb: /* SEB R1,D2(X2,B2) [RXE] */
2244 tmp = tcg_temp_new_i64();
2245 tmp32 = tcg_temp_new_i32();
2246 tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
2247 tcg_gen_trunc_i64_i32(tmp32, tmp);
2248 gen_helper_seb(tmp_r1, tmp32);
2249 tcg_temp_free_i64(tmp);
2250 tcg_temp_free_i32(tmp32);
2251
2252 tmp32 = load_freg32(r1);
2253 set_cc_nz_f32(s, tmp32);
2254 tcg_temp_free_i32(tmp32);
2255 break;
2256 case 0xd: /* DEB R1,D2(X2,B2) [RXE] */
2257 tmp = tcg_temp_new_i64();
2258 tmp32 = tcg_temp_new_i32();
2259 tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
2260 tcg_gen_trunc_i64_i32(tmp32, tmp);
2261 gen_helper_deb(tmp_r1, tmp32);
2262 tcg_temp_free_i64(tmp);
2263 tcg_temp_free_i32(tmp32);
2264 break;
2265 case 0x10: /* TCEB R1,D2(X2,B2) [RXE] */
2266 potential_page_fault(s);
2267 gen_helper_tceb(cc_op, tmp_r1, addr);
2268 set_cc_static(s);
2269 break;
2270 case 0x11: /* TCDB R1,D2(X2,B2) [RXE] */
2271 potential_page_fault(s);
2272 gen_helper_tcdb(cc_op, tmp_r1, addr);
2273 set_cc_static(s);
2274 break;
2275 case 0x12: /* TCXB R1,D2(X2,B2) [RXE] */
2276 potential_page_fault(s);
2277 gen_helper_tcxb(cc_op, tmp_r1, addr);
2278 set_cc_static(s);
2279 break;
2280 case 0x17: /* MEEB R1,D2(X2,B2) [RXE] */
2281 tmp = tcg_temp_new_i64();
2282 tmp32 = tcg_temp_new_i32();
2283 tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
2284 tcg_gen_trunc_i64_i32(tmp32, tmp);
2285 gen_helper_meeb(tmp_r1, tmp32);
2286 tcg_temp_free_i64(tmp);
2287 tcg_temp_free_i32(tmp32);
2288 break;
2289 case 0x19: /* CDB R1,D2(X2,B2) [RXE] */
2290 potential_page_fault(s);
2291 gen_helper_cdb(cc_op, tmp_r1, addr);
2292 set_cc_static(s);
2293 break;
2294 case 0x1a: /* ADB R1,D2(X2,B2) [RXE] */
2295 potential_page_fault(s);
2296 gen_helper_adb(cc_op, tmp_r1, addr);
2297 set_cc_static(s);
2298 break;
2299 case 0x1b: /* SDB R1,D2(X2,B2) [RXE] */
2300 potential_page_fault(s);
2301 gen_helper_sdb(cc_op, tmp_r1, addr);
2302 set_cc_static(s);
2303 break;
2304 case 0x1c: /* MDB R1,D2(X2,B2) [RXE] */
2305 potential_page_fault(s);
2306 gen_helper_mdb(tmp_r1, addr);
2307 break;
2308 case 0x1d: /* DDB R1,D2(X2,B2) [RXE] */
2309 potential_page_fault(s);
2310 gen_helper_ddb(tmp_r1, addr);
2311 break;
2312 case 0x1e: /* MADB R1,R3,D2(X2,B2) [RXF] */
2313 /* for RXF insns, r1 is R3 and r1b is R1 */
2314 tmp32 = tcg_const_i32(r1b);
2315 potential_page_fault(s);
2316 gen_helper_madb(tmp32, addr, tmp_r1);
2317 tcg_temp_free_i32(tmp32);
2318 break;
2319 default:
2320 LOG_DISAS("illegal ed operation 0x%x\n", op);
2321 gen_illegal_opcode(s, 3);
2322 return;
2323 }
2324 tcg_temp_free_i32(tmp_r1);
2325 tcg_temp_free_i64(addr);
2326 }
2327
2328 static void disas_a5(DisasContext *s, int op, int r1, int i2)
2329 {
2330 TCGv_i64 tmp, tmp2;
2331 TCGv_i32 tmp32;
2332 LOG_DISAS("disas_a5: op 0x%x r1 %d i2 0x%x\n", op, r1, i2);
2333 switch (op) {
2334 case 0x0: /* IIHH R1,I2 [RI] */
2335 tmp = tcg_const_i64(i2);
2336 tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 48, 16);
2337 tcg_temp_free_i64(tmp);
2338 break;
2339 case 0x1: /* IIHL R1,I2 [RI] */
2340 tmp = tcg_const_i64(i2);
2341 tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 32, 16);
2342 tcg_temp_free_i64(tmp);
2343 break;
2344 case 0x2: /* IILH R1,I2 [RI] */
2345 tmp = tcg_const_i64(i2);
2346 tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 16, 16);
2347 tcg_temp_free_i64(tmp);
2348 break;
2349 case 0x3: /* IILL R1,I2 [RI] */
2350 tmp = tcg_const_i64(i2);
2351 tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 0, 16);
2352 tcg_temp_free_i64(tmp);
2353 break;
2354 case 0x4: /* NIHH R1,I2 [RI] */
2355 case 0x8: /* OIHH R1,I2 [RI] */
2356 tmp = load_reg(r1);
2357 tmp32 = tcg_temp_new_i32();
2358 switch (op) {
2359 case 0x4:
2360 tmp2 = tcg_const_i64((((uint64_t)i2) << 48)
2361 | 0x0000ffffffffffffULL);
2362 tcg_gen_and_i64(tmp, tmp, tmp2);
2363 break;
2364 case 0x8:
2365 tmp2 = tcg_const_i64(((uint64_t)i2) << 48);
2366 tcg_gen_or_i64(tmp, tmp, tmp2);
2367 break;
2368 default:
2369 tcg_abort();
2370 }
2371 store_reg(r1, tmp);
2372 tcg_gen_shri_i64(tmp2, tmp, 48);
2373 tcg_gen_trunc_i64_i32(tmp32, tmp2);
2374 set_cc_nz_u32(s, tmp32);
2375 tcg_temp_free_i64(tmp2);
2376 tcg_temp_free_i32(tmp32);
2377 tcg_temp_free_i64(tmp);
2378 break;
2379 case 0x5: /* NIHL R1,I2 [RI] */
2380 case 0x9: /* OIHL R1,I2 [RI] */
2381 tmp = load_reg(r1);
2382 tmp32 = tcg_temp_new_i32();
2383 switch (op) {
2384 case 0x5:
2385 tmp2 = tcg_const_i64((((uint64_t)i2) << 32)
2386 | 0xffff0000ffffffffULL);
2387 tcg_gen_and_i64(tmp, tmp, tmp2);
2388 break;
2389 case 0x9:
2390 tmp2 = tcg_const_i64(((uint64_t)i2) << 32);
2391 tcg_gen_or_i64(tmp, tmp, tmp2);
2392 break;
2393 default:
2394 tcg_abort();
2395 }
2396 store_reg(r1, tmp);
2397 tcg_gen_shri_i64(tmp2, tmp, 32);
2398 tcg_gen_trunc_i64_i32(tmp32, tmp2);
2399 tcg_gen_andi_i32(tmp32, tmp32, 0xffff);
2400 set_cc_nz_u32(s, tmp32);
2401 tcg_temp_free_i64(tmp2);
2402 tcg_temp_free_i32(tmp32);
2403 tcg_temp_free_i64(tmp);
2404 break;
2405 case 0x6: /* NILH R1,I2 [RI] */
2406 case 0xa: /* OILH R1,I2 [RI] */
2407 tmp = load_reg(r1);
2408 tmp32 = tcg_temp_new_i32();
2409 switch (op) {
2410 case 0x6:
2411 tmp2 = tcg_const_i64((((uint64_t)i2) << 16)
2412 | 0xffffffff0000ffffULL);
2413 tcg_gen_and_i64(tmp, tmp, tmp2);
2414 break;
2415 case 0xa:
2416 tmp2 = tcg_const_i64(((uint64_t)i2) << 16);
2417 tcg_gen_or_i64(tmp, tmp, tmp2);
2418 break;
2419 default:
2420 tcg_abort();
2421 }
2422 store_reg(r1, tmp);
2423 tcg_gen_shri_i64(tmp, tmp, 16);
2424 tcg_gen_trunc_i64_i32(tmp32, tmp);
2425 tcg_gen_andi_i32(tmp32, tmp32, 0xffff);
2426 set_cc_nz_u32(s, tmp32);
2427 tcg_temp_free_i64(tmp2);
2428 tcg_temp_free_i32(tmp32);
2429 tcg_temp_free_i64(tmp);
2430 break;
2431 case 0x7: /* NILL R1,I2 [RI] */
2432 case 0xb: /* OILL R1,I2 [RI] */
2433 tmp = load_reg(r1);
2434 tmp32 = tcg_temp_new_i32();
2435 switch (op) {
2436 case 0x7:
2437 tmp2 = tcg_const_i64(i2 | 0xffffffffffff0000ULL);
2438 tcg_gen_and_i64(tmp, tmp, tmp2);
2439 break;
2440 case 0xb:
2441 tmp2 = tcg_const_i64(i2);
2442 tcg_gen_or_i64(tmp, tmp, tmp2);
2443 break;
2444 default:
2445 tcg_abort();
2446 }
2447 store_reg(r1, tmp);
2448 tcg_gen_trunc_i64_i32(tmp32, tmp);
2449 tcg_gen_andi_i32(tmp32, tmp32, 0xffff);
2450 set_cc_nz_u32(s, tmp32); /* signedness should not matter here */
2451 tcg_temp_free_i64(tmp2);
2452 tcg_temp_free_i32(tmp32);
2453 tcg_temp_free_i64(tmp);
2454 break;
2455 case 0xc: /* LLIHH R1,I2 [RI] */
2456 tmp = tcg_const_i64( ((uint64_t)i2) << 48 );
2457 store_reg(r1, tmp);
2458 tcg_temp_free_i64(tmp);
2459 break;
2460 case 0xd: /* LLIHL R1,I2 [RI] */
2461 tmp = tcg_const_i64( ((uint64_t)i2) << 32 );
2462 store_reg(r1, tmp);
2463 tcg_temp_free_i64(tmp);
2464 break;
2465 case 0xe: /* LLILH R1,I2 [RI] */
2466 tmp = tcg_const_i64( ((uint64_t)i2) << 16 );
2467 store_reg(r1, tmp);
2468 tcg_temp_free_i64(tmp);
2469 break;
2470 case 0xf: /* LLILL R1,I2 [RI] */
2471 tmp = tcg_const_i64(i2);
2472 store_reg(r1, tmp);
2473 tcg_temp_free_i64(tmp);
2474 break;
2475 default:
2476 LOG_DISAS("illegal a5 operation 0x%x\n", op);
2477 gen_illegal_opcode(s, 2);
2478 return;
2479 }
2480 }
2481
2482 static void disas_a7(DisasContext *s, int op, int r1, int i2)
2483 {
2484 TCGv_i64 tmp, tmp2;
2485 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
2486 int l1;
2487
2488 LOG_DISAS("disas_a7: op 0x%x r1 %d i2 0x%x\n", op, r1, i2);
2489 switch (op) {
2490 case 0x0: /* TMLH or TMH R1,I2 [RI] */
2491 case 0x1: /* TMLL or TML R1,I2 [RI] */
2492 case 0x2: /* TMHH R1,I2 [RI] */
2493 case 0x3: /* TMHL R1,I2 [RI] */
2494 tmp = load_reg(r1);
2495 tmp2 = tcg_const_i64((uint16_t)i2);
2496 switch (op) {
2497 case 0x0:
2498 tcg_gen_shri_i64(tmp, tmp, 16);
2499 break;
2500 case 0x1:
2501 break;
2502 case 0x2:
2503 tcg_gen_shri_i64(tmp, tmp, 48);
2504 break;
2505 case 0x3:
2506 tcg_gen_shri_i64(tmp, tmp, 32);
2507 break;
2508 }
2509 tcg_gen_andi_i64(tmp, tmp, 0xffff);
2510 cmp_64(s, tmp, tmp2, CC_OP_TM_64);
2511 tcg_temp_free_i64(tmp);
2512 tcg_temp_free_i64(tmp2);
2513 break;
2514 case 0x4: /* brc m1, i2 */
2515 gen_brc(r1, s, i2 * 2LL);
2516 return;
2517 case 0x5: /* BRAS R1,I2 [RI] */
2518 tmp = tcg_const_i64(pc_to_link_info(s, s->pc + 4));
2519 store_reg(r1, tmp);
2520 tcg_temp_free_i64(tmp);
2521 gen_goto_tb(s, 0, s->pc + i2 * 2LL);
2522 s->is_jmp = DISAS_TB_JUMP;
2523 break;
2524 case 0x6: /* BRCT R1,I2 [RI] */
2525 tmp32_1 = load_reg32(r1);
2526 tcg_gen_subi_i32(tmp32_1, tmp32_1, 1);
2527 store_reg32(r1, tmp32_1);
2528 gen_update_cc_op(s);
2529 l1 = gen_new_label();
2530 tcg_gen_brcondi_i32(TCG_COND_EQ, tmp32_1, 0, l1);
2531 gen_goto_tb(s, 0, s->pc + (i2 * 2LL));
2532 gen_set_label(l1);
2533 gen_goto_tb(s, 1, s->pc + 4);
2534 s->is_jmp = DISAS_TB_JUMP;
2535 tcg_temp_free_i32(tmp32_1);
2536 break;
2537 case 0x7: /* BRCTG R1,I2 [RI] */
2538 tmp = load_reg(r1);
2539 tcg_gen_subi_i64(tmp, tmp, 1);
2540 store_reg(r1, tmp);
2541 gen_update_cc_op(s);
2542 l1 = gen_new_label();
2543 tcg_gen_brcondi_i64(TCG_COND_EQ, tmp, 0, l1);
2544 gen_goto_tb(s, 0, s->pc + (i2 * 2LL));
2545 gen_set_label(l1);
2546 gen_goto_tb(s, 1, s->pc + 4);
2547 s->is_jmp = DISAS_TB_JUMP;
2548 tcg_temp_free_i64(tmp);
2549 break;
2550 case 0x8: /* lhi r1, i2 */
2551 tmp32_1 = tcg_const_i32(i2);
2552 store_reg32(r1, tmp32_1);
2553 tcg_temp_free_i32(tmp32_1);
2554 break;
2555 case 0x9: /* lghi r1, i2 */
2556 tmp = tcg_const_i64(i2);
2557 store_reg(r1, tmp);
2558 tcg_temp_free_i64(tmp);
2559 break;
2560 case 0xa: /* AHI R1,I2 [RI] */
2561 tmp32_1 = load_reg32(r1);
2562 tmp32_2 = tcg_temp_new_i32();
2563 tmp32_3 = tcg_const_i32(i2);
2564
2565 if (i2 < 0) {
2566 tcg_gen_subi_i32(tmp32_2, tmp32_1, -i2);
2567 } else {
2568 tcg_gen_add_i32(tmp32_2, tmp32_1, tmp32_3);
2569 }
2570
2571 store_reg32(r1, tmp32_2);
2572 set_cc_add32(s, tmp32_1, tmp32_3, tmp32_2);
2573 tcg_temp_free_i32(tmp32_1);
2574 tcg_temp_free_i32(tmp32_2);
2575 tcg_temp_free_i32(tmp32_3);
2576 break;
2577 case 0xb: /* aghi r1, i2 */
2578 tmp = load_reg(r1);
2579 tmp2 = tcg_const_i64(i2);
2580
2581 if (i2 < 0) {
2582 tcg_gen_subi_i64(regs[r1], tmp, -i2);
2583 } else {
2584 tcg_gen_add_i64(regs[r1], tmp, tmp2);
2585 }
2586 set_cc_add64(s, tmp, tmp2, regs[r1]);
2587 tcg_temp_free_i64(tmp);
2588 tcg_temp_free_i64(tmp2);
2589 break;
2590 case 0xc: /* MHI R1,I2 [RI] */
2591 tmp32_1 = load_reg32(r1);
2592 tcg_gen_muli_i32(tmp32_1, tmp32_1, i2);
2593 store_reg32(r1, tmp32_1);
2594 tcg_temp_free_i32(tmp32_1);
2595 break;
2596 case 0xd: /* MGHI R1,I2 [RI] */
2597 tmp = load_reg(r1);
2598 tcg_gen_muli_i64(tmp, tmp, i2);
2599 store_reg(r1, tmp);
2600 tcg_temp_free_i64(tmp);
2601 break;
2602 case 0xe: /* CHI R1,I2 [RI] */
2603 tmp32_1 = load_reg32(r1);
2604 cmp_s32c(s, tmp32_1, i2);
2605 tcg_temp_free_i32(tmp32_1);
2606 break;
2607 case 0xf: /* CGHI R1,I2 [RI] */
2608 tmp = load_reg(r1);
2609 cmp_s64c(s, tmp, i2);
2610 tcg_temp_free_i64(tmp);
2611 break;
2612 default:
2613 LOG_DISAS("illegal a7 operation 0x%x\n", op);
2614 gen_illegal_opcode(s, 2);
2615 return;
2616 }
2617 }
2618
2619 static void disas_b2(DisasContext *s, int op, uint32_t insn)
2620 {
2621 TCGv_i64 tmp, tmp2, tmp3;
2622 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
2623 int r1, r2;
2624 int ilc = 2;
2625 #ifndef CONFIG_USER_ONLY
2626 int r3, d2, b2;
2627 #endif
2628
2629 r1 = (insn >> 4) & 0xf;
2630 r2 = insn & 0xf;
2631
2632 LOG_DISAS("disas_b2: op 0x%x r1 %d r2 %d\n", op, r1, r2);
2633
2634 switch (op) {
2635 case 0x22: /* IPM R1 [RRE] */
2636 tmp32_1 = tcg_const_i32(r1);
2637 gen_op_calc_cc(s);
2638 gen_helper_ipm(cc_op, tmp32_1);
2639 tcg_temp_free_i32(tmp32_1);
2640 break;
2641 case 0x41: /* CKSM R1,R2 [RRE] */
2642 tmp32_1 = tcg_const_i32(r1);
2643 tmp32_2 = tcg_const_i32(r2);
2644 potential_page_fault(s);
2645 gen_helper_cksm(tmp32_1, tmp32_2);
2646 tcg_temp_free_i32(tmp32_1);
2647 tcg_temp_free_i32(tmp32_2);
2648 gen_op_movi_cc(s, 0);
2649 break;
2650 case 0x4e: /* SAR R1,R2 [RRE] */
2651 tmp32_1 = load_reg32(r2);
2652 tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUState, aregs[r1]));
2653 tcg_temp_free_i32(tmp32_1);
2654 break;
2655 case 0x4f: /* EAR R1,R2 [RRE] */
2656 tmp32_1 = tcg_temp_new_i32();
2657 tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUState, aregs[r2]));
2658 store_reg32(r1, tmp32_1);
2659 tcg_temp_free_i32(tmp32_1);
2660 break;
2661 case 0x52: /* MSR R1,R2 [RRE] */
2662 tmp32_1 = load_reg32(r1);
2663 tmp32_2 = load_reg32(r2);
2664 tcg_gen_mul_i32(tmp32_1, tmp32_1, tmp32_2);
2665 store_reg32(r1, tmp32_1);
2666 tcg_temp_free_i32(tmp32_1);
2667 tcg_temp_free_i32(tmp32_2);
2668 break;
2669 case 0x54: /* MVPG R1,R2 [RRE] */
2670 tmp = load_reg(0);
2671 tmp2 = load_reg(r1);
2672 tmp3 = load_reg(r2);
2673 potential_page_fault(s);
2674 gen_helper_mvpg(tmp, tmp2, tmp3);
2675 tcg_temp_free_i64(tmp);
2676 tcg_temp_free_i64(tmp2);
2677 tcg_temp_free_i64(tmp3);
2678 /* XXX check CCO bit and set CC accordingly */
2679 gen_op_movi_cc(s, 0);
2680 break;
2681 case 0x55: /* MVST R1,R2 [RRE] */
2682 tmp32_1 = load_reg32(0);
2683 tmp32_2 = tcg_const_i32(r1);
2684 tmp32_3 = tcg_const_i32(r2);
2685 potential_page_fault(s);
2686 gen_helper_mvst(tmp32_1, tmp32_2, tmp32_3);
2687 tcg_temp_free_i32(tmp32_1);
2688 tcg_temp_free_i32(tmp32_2);
2689 tcg_temp_free_i32(tmp32_3);
2690 gen_op_movi_cc(s, 1);
2691 break;
2692 case 0x5d: /* CLST R1,R2 [RRE] */
2693 tmp32_1 = load_reg32(0);
2694 tmp32_2 = tcg_const_i32(r1);
2695 tmp32_3 = tcg_const_i32(r2);
2696 potential_page_fault(s);
2697 gen_helper_clst(cc_op, tmp32_1, tmp32_2, tmp32_3);
2698 set_cc_static(s);
2699 tcg_temp_free_i32(tmp32_1);
2700 tcg_temp_free_i32(tmp32_2);
2701 tcg_temp_free_i32(tmp32_3);
2702 break;
2703 case 0x5e: /* SRST R1,R2 [RRE] */
2704 tmp32_1 = load_reg32(0);
2705 tmp32_2 = tcg_const_i32(r1);
2706 tmp32_3 = tcg_const_i32(r2);
2707 potential_page_fault(s);
2708 gen_helper_srst(cc_op, tmp32_1, tmp32_2, tmp32_3);
2709 set_cc_static(s);
2710 tcg_temp_free_i32(tmp32_1);
2711 tcg_temp_free_i32(tmp32_2);
2712 tcg_temp_free_i32(tmp32_3);
2713 break;
2714
2715 #ifndef CONFIG_USER_ONLY
2716 case 0x02: /* STIDP D2(B2) [S] */
2717 /* Store CPU ID */
2718 check_privileged(s, ilc);
2719 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2720 tmp = get_address(s, 0, b2, d2);
2721 potential_page_fault(s);
2722 gen_helper_stidp(tmp);
2723 tcg_temp_free_i64(tmp);
2724 break;
2725 case 0x04: /* SCK D2(B2) [S] */
2726 /* Set Clock */
2727 check_privileged(s, ilc);
2728 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2729 tmp = get_address(s, 0, b2, d2);
2730 potential_page_fault(s);
2731 gen_helper_sck(cc_op, tmp);
2732 set_cc_static(s);
2733 tcg_temp_free_i64(tmp);
2734 break;
2735 case 0x05: /* STCK D2(B2) [S] */
2736 /* Store Clock */
2737 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2738 tmp = get_address(s, 0, b2, d2);
2739 potential_page_fault(s);
2740 gen_helper_stck(cc_op, tmp);
2741 set_cc_static(s);
2742 tcg_temp_free_i64(tmp);
2743 break;
2744 case 0x06: /* SCKC D2(B2) [S] */
2745 /* Set Clock Comparator */
2746 check_privileged(s, ilc);
2747 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2748 tmp = get_address(s, 0, b2, d2);
2749 potential_page_fault(s);
2750 gen_helper_sckc(tmp);
2751 tcg_temp_free_i64(tmp);
2752 break;
2753 case 0x07: /* STCKC D2(B2) [S] */
2754 /* Store Clock Comparator */
2755 check_privileged(s, ilc);
2756 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2757 tmp = get_address(s, 0, b2, d2);
2758 potential_page_fault(s);
2759 gen_helper_stckc(tmp);
2760 tcg_temp_free_i64(tmp);
2761 break;
2762 case 0x08: /* SPT D2(B2) [S] */
2763 /* Set CPU Timer */
2764 check_privileged(s, ilc);
2765 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2766 tmp = get_address(s, 0, b2, d2);
2767 potential_page_fault(s);
2768 gen_helper_spt(tmp);
2769 tcg_temp_free_i64(tmp);
2770 break;
2771 case 0x09: /* STPT D2(B2) [S] */
2772 /* Store CPU Timer */
2773 check_privileged(s, ilc);
2774 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2775 tmp = get_address(s, 0, b2, d2);
2776 potential_page_fault(s);
2777 gen_helper_stpt(tmp);
2778 tcg_temp_free_i64(tmp);
2779 break;
2780 case 0x0a: /* SPKA D2(B2) [S] */
2781 /* Set PSW Key from Address */
2782 check_privileged(s, ilc);
2783 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2784 tmp = get_address(s, 0, b2, d2);
2785 tmp2 = tcg_temp_new_i64();
2786 tcg_gen_andi_i64(tmp2, psw_mask, ~PSW_MASK_KEY);
2787 tcg_gen_shli_i64(tmp, tmp, PSW_SHIFT_KEY - 4);
2788 tcg_gen_or_i64(psw_mask, tmp2, tmp);
2789 tcg_temp_free_i64(tmp2);
2790 tcg_temp_free_i64(tmp);
2791 break;
2792 case 0x0d: /* PTLB [S] */
2793 /* Purge TLB */
2794 check_privileged(s, ilc);
2795 gen_helper_ptlb();
2796 break;
2797 case 0x10: /* SPX D2(B2) [S] */
2798 /* Set Prefix Register */
2799 check_privileged(s, ilc);
2800 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2801 tmp = get_address(s, 0, b2, d2);
2802 potential_page_fault(s);
2803 gen_helper_spx(tmp);
2804 tcg_temp_free_i64(tmp);
2805 break;
2806 case 0x11: /* STPX D2(B2) [S] */
2807 /* Store Prefix */
2808 check_privileged(s, ilc);
2809 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2810 tmp = get_address(s, 0, b2, d2);
2811 tmp2 = tcg_temp_new_i64();
2812 tcg_gen_ld_i64(tmp2, cpu_env, offsetof(CPUState, psa));
2813 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
2814 tcg_temp_free_i64(tmp);
2815 tcg_temp_free_i64(tmp2);
2816 break;
2817 case 0x12: /* STAP D2(B2) [S] */
2818 /* Store CPU Address */
2819 check_privileged(s, ilc);
2820 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2821 tmp = get_address(s, 0, b2, d2);
2822 tmp2 = tcg_temp_new_i64();
2823 tmp32_1 = tcg_temp_new_i32();
2824 tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUState, cpu_num));
2825 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
2826 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
2827 tcg_temp_free_i64(tmp);
2828 tcg_temp_free_i64(tmp2);
2829 tcg_temp_free_i32(tmp32_1);
2830 break;
2831 case 0x21: /* IPTE R1,R2 [RRE] */
2832 /* Invalidate PTE */
2833 check_privileged(s, ilc);
2834 r1 = (insn >> 4) & 0xf;
2835 r2 = insn & 0xf;
2836 tmp = load_reg(r1);
2837 tmp2 = load_reg(r2);
2838 gen_helper_ipte(tmp, tmp2);
2839 tcg_temp_free_i64(tmp);
2840 tcg_temp_free_i64(tmp2);
2841 break;
2842 case 0x29: /* ISKE R1,R2 [RRE] */
2843 /* Insert Storage Key Extended */
2844 check_privileged(s, ilc);
2845 r1 = (insn >> 4) & 0xf;
2846 r2 = insn & 0xf;
2847 tmp = load_reg(r2);
2848 tmp2 = tcg_temp_new_i64();
2849 gen_helper_iske(tmp2, tmp);
2850 store_reg(r1, tmp2);
2851 tcg_temp_free_i64(tmp);
2852 tcg_temp_free_i64(tmp2);
2853 break;
2854 case 0x2a: /* RRBE R1,R2 [RRE] */
2855 /* Set Storage Key Extended */
2856 check_privileged(s, ilc);
2857 r1 = (insn >> 4) & 0xf;
2858 r2 = insn & 0xf;
2859 tmp32_1 = load_reg32(r1);
2860 tmp = load_reg(r2);
2861 gen_helper_rrbe(cc_op, tmp32_1, tmp);
2862 set_cc_static(s);
2863 tcg_temp_free_i32(tmp32_1);
2864 tcg_temp_free_i64(tmp);
2865 break;
2866 case 0x2b: /* SSKE R1,R2 [RRE] */
2867 /* Set Storage Key Extended */
2868 check_privileged(s, ilc);
2869 r1 = (insn >> 4) & 0xf;
2870 r2 = insn & 0xf;
2871 tmp32_1 = load_reg32(r1);
2872 tmp = load_reg(r2);
2873 gen_helper_sske(tmp32_1, tmp);
2874 tcg_temp_free_i32(tmp32_1);
2875 tcg_temp_free_i64(tmp);
2876 break;
2877 case 0x34: /* STCH ? */
2878 /* Store Subchannel */
2879 check_privileged(s, ilc);
2880 gen_op_movi_cc(s, 3);
2881 break;
2882 case 0x46: /* STURA R1,R2 [RRE] */
2883 /* Store Using Real Address */
2884 check_privileged(s, ilc);
2885 r1 = (insn >> 4) & 0xf;
2886 r2 = insn & 0xf;
2887 tmp32_1 = load_reg32(r1);
2888 tmp = load_reg(r2);
2889 potential_page_fault(s);
2890 gen_helper_stura(tmp, tmp32_1);
2891 tcg_temp_free_i32(tmp32_1);
2892 tcg_temp_free_i64(tmp);
2893 break;
2894 case 0x50: /* CSP R1,R2 [RRE] */
2895 /* Compare And Swap And Purge */
2896 check_privileged(s, ilc);
2897 r1 = (insn >> 4) & 0xf;
2898 r2 = insn & 0xf;
2899 tmp32_1 = tcg_const_i32(r1);
2900 tmp32_2 = tcg_const_i32(r2);
2901 gen_helper_csp(cc_op, tmp32_1, tmp32_2);
2902 set_cc_static(s);
2903 tcg_temp_free_i32(tmp32_1);
2904 tcg_temp_free_i32(tmp32_2);
2905 break;
2906 case 0x5f: /* CHSC ? */
2907 /* Channel Subsystem Call */
2908 check_privileged(s, ilc);
2909 gen_op_movi_cc(s, 3);
2910 break;
2911 case 0x78: /* STCKE D2(B2) [S] */
2912 /* Store Clock Extended */
2913 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2914 tmp = get_address(s, 0, b2, d2);
2915 potential_page_fault(s);
2916 gen_helper_stcke(cc_op, tmp);
2917 set_cc_static(s);
2918 tcg_temp_free_i64(tmp);
2919 break;
2920 case 0x79: /* SACF D2(B2) [S] */
2921 /* Store Clock Extended */
2922 check_privileged(s, ilc);
2923 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2924 tmp = get_address(s, 0, b2, d2);
2925 potential_page_fault(s);
2926 gen_helper_sacf(tmp);
2927 tcg_temp_free_i64(tmp);
2928 /* addressing mode has changed, so end the block */
2929 s->pc += ilc * 2;
2930 update_psw_addr(s);
2931 s->is_jmp = DISAS_EXCP;
2932 break;
2933 case 0x7d: /* STSI D2,(B2) [S] */
2934 check_privileged(s, ilc);
2935 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2936 tmp = get_address(s, 0, b2, d2);
2937 tmp32_1 = load_reg32(0);
2938 tmp32_2 = load_reg32(1);
2939 potential_page_fault(s);
2940 gen_helper_stsi(cc_op, tmp, tmp32_1, tmp32_2);
2941 set_cc_static(s);
2942 tcg_temp_free_i64(tmp);
2943 tcg_temp_free_i32(tmp32_1);
2944 tcg_temp_free_i32(tmp32_2);
2945 break;
2946 case 0x9d: /* LFPC D2(B2) [S] */
2947 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2948 tmp = get_address(s, 0, b2, d2);
2949 tmp2 = tcg_temp_new_i64();
2950 tmp32_1 = tcg_temp_new_i32();
2951 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
2952 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
2953 tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUState, fpc));
2954 tcg_temp_free_i64(tmp);
2955 tcg_temp_free_i64(tmp2);
2956 tcg_temp_free_i32(tmp32_1);
2957 break;
2958 case 0xb1: /* STFL D2(B2) [S] */
2959 /* Store Facility List (CPU features) at 200 */
2960 check_privileged(s, ilc);
2961 tmp2 = tcg_const_i64(0xc0000000);
2962 tmp = tcg_const_i64(200);
2963 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
2964 tcg_temp_free_i64(tmp2);
2965 tcg_temp_free_i64(tmp);
2966 break;
2967 case 0xb2: /* LPSWE D2(B2) [S] */
2968 /* Load PSW Extended */
2969 check_privileged(s, ilc);
2970 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2971 tmp = get_address(s, 0, b2, d2);
2972 tmp2 = tcg_temp_new_i64();
2973 tmp3 = tcg_temp_new_i64();
2974 tcg_gen_qemu_ld64(tmp2, tmp, get_mem_index(s));
2975 tcg_gen_addi_i64(tmp, tmp, 8);
2976 tcg_gen_qemu_ld64(tmp3, tmp, get_mem_index(s));
2977 gen_helper_load_psw(tmp2, tmp3);
2978 /* we need to keep cc_op intact */
2979 s->is_jmp = DISAS_JUMP;
2980 tcg_temp_free_i64(tmp);
2981 tcg_temp_free_i64(tmp2);
2982 tcg_temp_free_i64(tmp3);
2983 break;
2984 case 0x20: /* SERVC R1,R2 [RRE] */
2985 /* SCLP Service call (PV hypercall) */
2986 check_privileged(s, ilc);
2987 potential_page_fault(s);
2988 tmp32_1 = load_reg32(r2);
2989 tmp = load_reg(r1);
2990 gen_helper_servc(cc_op, tmp32_1, tmp);
2991 set_cc_static(s);
2992 tcg_temp_free_i32(tmp32_1);
2993 tcg_temp_free_i64(tmp);
2994 break;
2995 #endif
2996 default:
2997 LOG_DISAS("illegal b2 operation 0x%x\n", op);
2998 gen_illegal_opcode(s, ilc);
2999 break;
3000 }
3001 }
3002
3003 static void disas_b3(DisasContext *s, int op, int m3, int r1, int r2)
3004 {
3005 TCGv_i64 tmp;
3006 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
3007 LOG_DISAS("disas_b3: op 0x%x m3 0x%x r1 %d r2 %d\n", op, m3, r1, r2);
3008 #define FP_HELPER(i) \
3009 tmp32_1 = tcg_const_i32(r1); \
3010 tmp32_2 = tcg_const_i32(r2); \
3011 gen_helper_ ## i (tmp32_1, tmp32_2); \
3012 tcg_temp_free_i32(tmp32_1); \
3013 tcg_temp_free_i32(tmp32_2);
3014
3015 #define FP_HELPER_CC(i) \
3016 tmp32_1 = tcg_const_i32(r1); \
3017 tmp32_2 = tcg_const_i32(r2); \
3018 gen_helper_ ## i (cc_op, tmp32_1, tmp32_2); \
3019 set_cc_static(s); \
3020 tcg_temp_free_i32(tmp32_1); \
3021 tcg_temp_free_i32(tmp32_2);
3022
3023 switch (op) {
3024 case 0x0: /* LPEBR R1,R2 [RRE] */
3025 FP_HELPER_CC(lpebr);
3026 break;
3027 case 0x2: /* LTEBR R1,R2 [RRE] */
3028 FP_HELPER_CC(ltebr);
3029 break;
3030 case 0x3: /* LCEBR R1,R2 [RRE] */
3031 FP_HELPER_CC(lcebr);
3032 break;
3033 case 0x4: /* LDEBR R1,R2 [RRE] */
3034 FP_HELPER(ldebr);
3035 break;
3036 case 0x5: /* LXDBR R1,R2 [RRE] */
3037 FP_HELPER(lxdbr);
3038 break;
3039 case 0x9: /* CEBR R1,R2 [RRE] */
3040 FP_HELPER_CC(cebr);
3041 break;
3042 case 0xa: /* AEBR R1,R2 [RRE] */
3043 FP_HELPER_CC(aebr);
3044 break;
3045 case 0xb: /* SEBR R1,R2 [RRE] */
3046 FP_HELPER_CC(sebr);
3047 break;
3048 case 0xd: /* DEBR R1,R2 [RRE] */
3049 FP_HELPER(debr);
3050 break;
3051 case 0x10: /* LPDBR R1,R2 [RRE] */
3052 FP_HELPER_CC(lpdbr);
3053 break;
3054 case 0x12: /* LTDBR R1,R2 [RRE] */
3055 FP_HELPER_CC(ltdbr);
3056 break;
3057 case 0x13: /* LCDBR R1,R2 [RRE] */
3058 FP_HELPER_CC(lcdbr);
3059 break;
3060 case 0x15: /* SQBDR R1,R2 [RRE] */
3061 FP_HELPER(sqdbr);
3062 break;
3063 case 0x17: /* MEEBR R1,R2 [RRE] */
3064 FP_HELPER(meebr);
3065 break;
3066 case 0x19: /* CDBR R1,R2 [RRE] */
3067 FP_HELPER_CC(cdbr);
3068 break;
3069 case 0x1a: /* ADBR R1,R2 [RRE] */
3070 FP_HELPER_CC(adbr);
3071 break;
3072 case 0x1b: /* SDBR R1,R2 [RRE] */
3073 FP_HELPER_CC(sdbr);
3074 break;
3075 case 0x1c: /* MDBR R1,R2 [RRE] */
3076 FP_HELPER(mdbr);
3077 break;
3078 case 0x1d: /* DDBR R1,R2 [RRE] */
3079 FP_HELPER(ddbr);
3080 break;
3081 case 0xe: /* MAEBR R1,R3,R2 [RRF] */
3082 case 0x1e: /* MADBR R1,R3,R2 [RRF] */
3083 case 0x1f: /* MSDBR R1,R3,R2 [RRF] */
3084 /* for RRF insns, m3 is R1, r1 is R3, and r2 is R2 */
3085 tmp32_1 = tcg_const_i32(m3);
3086 tmp32_2 = tcg_const_i32(r2);
3087 tmp32_3 = tcg_const_i32(r1);
3088 switch (op) {
3089 case 0xe:
3090 gen_helper_maebr(tmp32_1, tmp32_3, tmp32_2);
3091 break;
3092 case 0x1e:
3093 gen_helper_madbr(tmp32_1, tmp32_3, tmp32_2);
3094 break;
3095 case 0x1f:
3096 gen_helper_msdbr(tmp32_1, tmp32_3, tmp32_2);
3097 break;
3098 default:
3099 tcg_abort();
3100 }
3101 tcg_temp_free_i32(tmp32_1);
3102 tcg_temp_free_i32(tmp32_2);
3103 tcg_temp_free_i32(tmp32_3);
3104 break;
3105 case 0x40: /* LPXBR R1,R2 [RRE] */
3106 FP_HELPER_CC(lpxbr);
3107 break;
3108 case 0x42: /* LTXBR R1,R2 [RRE] */
3109 FP_HELPER_CC(ltxbr);
3110 break;
3111 case 0x43: /* LCXBR R1,R2 [RRE] */
3112 FP_HELPER_CC(lcxbr);
3113 break;
3114 case 0x44: /* LEDBR R1,R2 [RRE] */
3115 FP_HELPER(ledbr);
3116 break;
3117 case 0x45: /* LDXBR R1,R2 [RRE] */
3118 FP_HELPER(ldxbr);
3119 break;
3120 case 0x46: /* LEXBR R1,R2 [RRE] */
3121 FP_HELPER(lexbr);
3122 break;
3123 case 0x49: /* CXBR R1,R2 [RRE] */
3124 FP_HELPER_CC(cxbr);
3125 break;
3126 case 0x4a: /* AXBR R1,R2 [RRE] */
3127 FP_HELPER_CC(axbr);
3128 break;
3129 case 0x4b: /* SXBR R1,R2 [RRE] */
3130 FP_HELPER_CC(sxbr);
3131 break;
3132 case 0x4c: /* MXBR R1,R2 [RRE] */
3133 FP_HELPER(mxbr);
3134 break;
3135 case 0x4d: /* DXBR R1,R2 [RRE] */
3136 FP_HELPER(dxbr);
3137 break;
3138 case 0x65: /* LXR R1,R2 [RRE] */
3139 tmp = load_freg(r2);
3140 store_freg(r1, tmp);
3141 tcg_temp_free_i64(tmp);
3142 tmp = load_freg(r2 + 2);
3143 store_freg(r1 + 2, tmp);
3144 tcg_temp_free_i64(tmp);
3145 break;
3146 case 0x74: /* LZER R1 [RRE] */
3147 tmp32_1 = tcg_const_i32(r1);
3148 gen_helper_lzer(tmp32_1);
3149 tcg_temp_free_i32(tmp32_1);
3150 break;
3151 case 0x75: /* LZDR R1 [RRE] */
3152 tmp32_1 = tcg_const_i32(r1);
3153 gen_helper_lzdr(tmp32_1);
3154 tcg_temp_free_i32(tmp32_1);
3155 break;
3156 case 0x76: /* LZXR R1 [RRE] */
3157 tmp32_1 = tcg_const_i32(r1);
3158 gen_helper_lzxr(tmp32_1);
3159 tcg_temp_free_i32(tmp32_1);
3160 break;
3161 case 0x84: /* SFPC R1 [RRE] */
3162 tmp32_1 = load_reg32(r1);
3163 tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUState, fpc));
3164 tcg_temp_free_i32(tmp32_1);
3165 break;
3166 case 0x8c: /* EFPC R1 [RRE] */
3167 tmp32_1 = tcg_temp_new_i32();
3168 tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUState, fpc));
3169 store_reg32(r1, tmp32_1);
3170 tcg_temp_free_i32(tmp32_1);
3171 break;
3172 case 0x94: /* CEFBR R1,R2 [RRE] */
3173 case 0x95: /* CDFBR R1,R2 [RRE] */
3174 case 0x96: /* CXFBR R1,R2 [RRE] */
3175 tmp32_1 = tcg_const_i32(r1);
3176 tmp32_2 = load_reg32(r2);
3177 switch (op) {
3178 case 0x94:
3179 gen_helper_cefbr(tmp32_1, tmp32_2);
3180 break;
3181 case 0x95:
3182 gen_helper_cdfbr(tmp32_1, tmp32_2);
3183 break;
3184 case 0x96:
3185 gen_helper_cxfbr(tmp32_1, tmp32_2);
3186 break;
3187 default:
3188 tcg_abort();
3189 }
3190 tcg_temp_free_i32(tmp32_1);
3191 tcg_temp_free_i32(tmp32_2);
3192 break;
3193 case 0x98: /* CFEBR R1,R2 [RRE] */
3194 case 0x99: /* CFDBR R1,R2 [RRE] */
3195 case 0x9a: /* CFXBR R1,R2 [RRE] */
3196 tmp32_1 = tcg_const_i32(r1);
3197 tmp32_2 = tcg_const_i32(r2);
3198 tmp32_3 = tcg_const_i32(m3);
3199 switch (op) {
3200 case 0x98:
3201 gen_helper_cfebr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3202 break;
3203 case 0x99:
3204 gen_helper_cfdbr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3205 break;
3206 case 0x9a:
3207 gen_helper_cfxbr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3208 break;
3209 default:
3210 tcg_abort();
3211 }
3212 set_cc_static(s);
3213 tcg_temp_free_i32(tmp32_1);
3214 tcg_temp_free_i32(tmp32_2);
3215 tcg_temp_free_i32(tmp32_3);
3216 break;
3217 case 0xa4: /* CEGBR R1,R2 [RRE] */
3218 case 0xa5: /* CDGBR R1,R2 [RRE] */
3219 tmp32_1 = tcg_const_i32(r1);
3220 tmp = load_reg(r2);
3221 switch (op) {
3222 case 0xa4:
3223 gen_helper_cegbr(tmp32_1, tmp);
3224 break;
3225 case 0xa5:
3226 gen_helper_cdgbr(tmp32_1, tmp);
3227 break;
3228 default:
3229 tcg_abort();
3230 }
3231 tcg_temp_free_i32(tmp32_1);
3232 tcg_temp_free_i64(tmp);
3233 break;
3234 case 0xa6: /* CXGBR R1,R2 [RRE] */
3235 tmp32_1 = tcg_const_i32(r1);
3236 tmp = load_reg(r2);
3237 gen_helper_cxgbr(tmp32_1, tmp);
3238 tcg_temp_free_i32(tmp32_1);
3239 tcg_temp_free_i64(tmp);
3240 break;
3241 case 0xa8: /* CGEBR R1,R2 [RRE] */
3242 tmp32_1 = tcg_const_i32(r1);
3243 tmp32_2 = tcg_const_i32(r2);
3244 tmp32_3 = tcg_const_i32(m3);
3245 gen_helper_cgebr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3246 set_cc_static(s);
3247 tcg_temp_free_i32(tmp32_1);
3248 tcg_temp_free_i32(tmp32_2);
3249 tcg_temp_free_i32(tmp32_3);
3250 break;
3251 case 0xa9: /* CGDBR R1,R2 [RRE] */
3252 tmp32_1 = tcg_const_i32(r1);
3253 tmp32_2 = tcg_const_i32(r2);
3254 tmp32_3 = tcg_const_i32(m3);
3255 gen_helper_cgdbr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3256 set_cc_static(s);
3257 tcg_temp_free_i32(tmp32_1);
3258 tcg_temp_free_i32(tmp32_2);
3259 tcg_temp_free_i32(tmp32_3);
3260 break;
3261 case 0xaa: /* CGXBR R1,R2 [RRE] */
3262 tmp32_1 = tcg_const_i32(r1);
3263 tmp32_2 = tcg_const_i32(r2);
3264 tmp32_3 = tcg_const_i32(m3);
3265 gen_helper_cgxbr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3266 set_cc_static(s);
3267 tcg_temp_free_i32(tmp32_1);
3268 tcg_temp_free_i32(tmp32_2);
3269 tcg_temp_free_i32(tmp32_3);
3270 break;
3271 default:
3272 LOG_DISAS("illegal b3 operation 0x%x\n", op);
3273 gen_illegal_opcode(s, 2);
3274 break;
3275 }
3276
3277 #undef FP_HELPER_CC
3278 #undef FP_HELPER
3279 }
3280
3281 static void disas_b9(DisasContext *s, int op, int r1, int r2)
3282 {
3283 TCGv_i64 tmp, tmp2, tmp3;
3284 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
3285
3286 LOG_DISAS("disas_b9: op 0x%x r1 %d r2 %d\n", op, r1, r2);
3287 switch (op) {
3288 case 0x0: /* LPGR R1,R2 [RRE] */
3289 case 0x1: /* LNGR R1,R2 [RRE] */
3290 case 0x2: /* LTGR R1,R2 [RRE] */
3291 case 0x3: /* LCGR R1,R2 [RRE] */
3292 case 0x10: /* LPGFR R1,R2 [RRE] */
3293 case 0x11: /* LNFGR R1,R2 [RRE] */
3294 case 0x12: /* LTGFR R1,R2 [RRE] */
3295 case 0x13: /* LCGFR R1,R2 [RRE] */
3296 if (op & 0x10) {
3297 tmp = load_reg32_i64(r2);
3298 } else {
3299 tmp = load_reg(r2);
3300 }
3301 switch (op & 0xf) {
3302 case 0x0: /* LP?GR */
3303 set_cc_abs64(s, tmp);
3304 gen_helper_abs_i64(tmp, tmp);
3305 store_reg(r1, tmp);
3306 break;
3307 case 0x1: /* LN?GR */
3308 set_cc_nabs64(s, tmp);
3309 gen_helper_nabs_i64(tmp, tmp);
3310 store_reg(r1, tmp);
3311 break;
3312 case 0x2: /* LT?GR */
3313 if (r1 != r2) {
3314 store_reg(r1, tmp);
3315 }
3316 set_cc_s64(s, tmp);
3317 break;
3318 case 0x3: /* LC?GR */
3319 tcg_gen_neg_i64(regs[r1], tmp);
3320 set_cc_comp64(s, regs[r1]);
3321 break;
3322 }
3323 tcg_temp_free_i64(tmp);
3324 break;
3325 case 0x4: /* LGR R1,R2 [RRE] */
3326 store_reg(r1, regs[r2]);
3327 break;
3328 case 0x6: /* LGBR R1,R2 [RRE] */
3329 tmp2 = load_reg(r2);
3330 tcg_gen_ext8s_i64(tmp2, tmp2);
3331 store_reg(r1, tmp2);
3332 tcg_temp_free_i64(tmp2);
3333 break;
3334 case 0x8: /* AGR R1,R2 [RRE] */
3335 case 0xa: /* ALGR R1,R2 [RRE] */
3336 tmp = load_reg(r1);
3337 tmp2 = load_reg(r2);
3338 tmp3 = tcg_temp_new_i64();
3339 tcg_gen_add_i64(tmp3, tmp, tmp2);
3340 store_reg(r1, tmp3);
3341 switch (op) {
3342 case 0x8:
3343 set_cc_add64(s, tmp, tmp2, tmp3);
3344 break;
3345 case 0xa:
3346 set_cc_addu64(s, tmp, tmp2, tmp3);
3347 break;
3348 default:
3349 tcg_abort();
3350 }
3351 tcg_temp_free_i64(tmp);
3352 tcg_temp_free_i64(tmp2);
3353 tcg_temp_free_i64(tmp3);
3354 break;
3355 case 0x9: /* SGR R1,R2 [RRE] */
3356 case 0xb: /* SLGR R1,R2 [RRE] */
3357 case 0x1b: /* SLGFR R1,R2 [RRE] */
3358 case 0x19: /* SGFR R1,R2 [RRE] */
3359 tmp = load_reg(r1);
3360 switch (op) {
3361 case 0x1b:
3362 tmp32_1 = load_reg32(r2);
3363 tmp2 = tcg_temp_new_i64();
3364 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
3365 tcg_temp_free_i32(tmp32_1);
3366 break;
3367 case 0x19:
3368 tmp32_1 = load_reg32(r2);
3369 tmp2 = tcg_temp_new_i64();
3370 tcg_gen_ext_i32_i64(tmp2, tmp32_1);
3371 tcg_temp_free_i32(tmp32_1);
3372 break;
3373 default:
3374 tmp2 = load_reg(r2);
3375 break;
3376 }
3377 tmp3 = tcg_temp_new_i64();
3378 tcg_gen_sub_i64(tmp3, tmp, tmp2);
3379 store_reg(r1, tmp3);
3380 switch (op) {
3381 case 0x9:
3382 case 0x19:
3383 set_cc_sub64(s, tmp, tmp2, tmp3);
3384 break;
3385 case 0xb:
3386 case 0x1b:
3387 set_cc_subu64(s, tmp, tmp2, tmp3);
3388 break;
3389 default:
3390 tcg_abort();
3391 }
3392 tcg_temp_free_i64(tmp);
3393 tcg_temp_free_i64(tmp2);
3394 tcg_temp_free_i64(tmp3);
3395 break;
3396 case 0xc: /* MSGR R1,R2 [RRE] */
3397 case 0x1c: /* MSGFR R1,R2 [RRE] */
3398 tmp = load_reg(r1);
3399 tmp2 = load_reg(r2);
3400 if (op == 0x1c) {
3401 tcg_gen_ext32s_i64(tmp2, tmp2);
3402 }
3403 tcg_gen_mul_i64(tmp, tmp, tmp2);
3404 store_reg(r1, tmp);
3405 tcg_temp_free_i64(tmp);
3406 tcg_temp_free_i64(tmp2);
3407 break;
3408 case 0xd: /* DSGR R1,R2 [RRE] */
3409 case 0x1d: /* DSGFR R1,R2 [RRE] */
3410 tmp = load_reg(r1 + 1);
3411 if (op == 0xd) {
3412 tmp2 = load_reg(r2);
3413 } else {
3414 tmp32_1 = load_reg32(r2);
3415 tmp2 = tcg_temp_new_i64();
3416 tcg_gen_ext_i32_i64(tmp2, tmp32_1);
3417 tcg_temp_free_i32(tmp32_1);
3418 }
3419 tmp3 = tcg_temp_new_i64();
3420 tcg_gen_div_i64(tmp3, tmp, tmp2);
3421 store_reg(r1 + 1, tmp3);
3422 tcg_gen_rem_i64(tmp3, tmp, tmp2);
3423 store_reg(r1, tmp3);
3424 tcg_temp_free_i64(tmp);
3425 tcg_temp_free_i64(tmp2);
3426 tcg_temp_free_i64(tmp3);
3427 break;
3428 case 0x14: /* LGFR R1,R2 [RRE] */
3429 tmp32_1 = load_reg32(r2);
3430 tmp = tcg_temp_new_i64();
3431 tcg_gen_ext_i32_i64(tmp, tmp32_1);
3432 store_reg(r1, tmp);
3433 tcg_temp_free_i32(tmp32_1);
3434 tcg_temp_free_i64(tmp);
3435 break;
3436 case 0x16: /* LLGFR R1,R2 [RRE] */
3437 tmp32_1 = load_reg32(r2);
3438 tmp = tcg_temp_new_i64();
3439 tcg_gen_extu_i32_i64(tmp, tmp32_1);
3440 store_reg(r1, tmp);
3441 tcg_temp_free_i32(tmp32_1);
3442 tcg_temp_free_i64(tmp);
3443 break;
3444 case 0x17: /* LLGTR R1,R2 [RRE] */
3445 tmp32_1 = load_reg32(r2);
3446 tmp = tcg_temp_new_i64();
3447 tcg_gen_andi_i32(tmp32_1, tmp32_1, 0x7fffffffUL);
3448 tcg_gen_extu_i32_i64(tmp, tmp32_1);
3449 store_reg(r1, tmp);
3450 tcg_temp_free_i32(tmp32_1);
3451 tcg_temp_free_i64(tmp);
3452 break;
3453 case 0x18: /* AGFR R1,R2 [RRE] */
3454 case 0x1a: /* ALGFR R1,R2 [RRE] */
3455 tmp32_1 = load_reg32(r2);
3456 tmp2 = tcg_temp_new_i64();
3457 if (op == 0x18) {
3458 tcg_gen_ext_i32_i64(tmp2, tmp32_1);
3459 } else {
3460 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
3461 }
3462 tcg_temp_free_i32(tmp32_1);
3463 tmp = load_reg(r1);
3464 tmp3 = tcg_temp_new_i64();
3465 tcg_gen_add_i64(tmp3, tmp, tmp2);
3466 store_reg(r1, tmp3);
3467 if (op == 0x18) {
3468 set_cc_add64(s, tmp, tmp2, tmp3);
3469 } else {
3470 set_cc_addu64(s, tmp, tmp2, tmp3);
3471 }
3472 tcg_temp_free_i64(tmp);
3473 tcg_temp_free_i64(tmp2);
3474 tcg_temp_free_i64(tmp3);
3475 break;
3476 case 0x1f: /* LRVR R1,R2 [RRE] */
3477 tmp32_1 = load_reg32(r2);
3478 tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
3479 store_reg32(r1, tmp32_1);
3480 tcg_temp_free_i32(tmp32_1);
3481 break;
3482 case 0x20: /* CGR R1,R2 [RRE] */
3483 case 0x30: /* CGFR R1,R2 [RRE] */
3484 tmp2 = load_reg(r2);
3485 if (op == 0x30) {
3486 tcg_gen_ext32s_i64(tmp2, tmp2);
3487 }
3488 tmp = load_reg(r1);
3489 cmp_s64(s, tmp, tmp2);
3490 tcg_temp_free_i64(tmp);
3491 tcg_temp_free_i64(tmp2);
3492 break;
3493 case 0x21: /* CLGR R1,R2 [RRE] */
3494 case 0x31: /* CLGFR R1,R2 [RRE] */
3495 tmp2 = load_reg(r2);
3496 if (op == 0x31) {
3497 tcg_gen_ext32u_i64(tmp2, tmp2);
3498 }
3499 tmp = load_reg(r1);
3500 cmp_u64(s, tmp, tmp2);
3501 tcg_temp_free_i64(tmp);
3502 tcg_temp_free_i64(tmp2);
3503 break;
3504 case 0x26: /* LBR R1,R2 [RRE] */
3505 tmp32_1 = load_reg32(r2);
3506 tcg_gen_ext8s_i32(tmp32_1, tmp32_1);
3507 store_reg32(r1, tmp32_1);
3508 tcg_temp_free_i32(tmp32_1);
3509 break;
3510 case 0x27: /* LHR R1,R2 [RRE] */
3511 tmp32_1 = load_reg32(r2);
3512 tcg_gen_ext16s_i32(tmp32_1, tmp32_1);
3513 store_reg32(r1, tmp32_1);
3514 tcg_temp_free_i32(tmp32_1);
3515 break;
3516 case 0x80: /* NGR R1,R2 [RRE] */
3517 case 0x81: /* OGR R1,R2 [RRE] */
3518 case 0x82: /* XGR R1,R2 [RRE] */
3519 tmp = load_reg(r1);
3520 tmp2 = load_reg(r2);
3521 switch (op) {
3522 case 0x80:
3523 tcg_gen_and_i64(tmp, tmp, tmp2);
3524 break;
3525 case 0x81:
3526 tcg_gen_or_i64(tmp, tmp, tmp2);
3527 break;
3528 case 0x82:
3529 tcg_gen_xor_i64(tmp, tmp, tmp2);
3530 break;
3531 default:
3532 tcg_abort();
3533 }
3534 store_reg(r1, tmp);
3535 set_cc_nz_u64(s, tmp);
3536 tcg_temp_free_i64(tmp);
3537 tcg_temp_free_i64(tmp2);
3538 break;
3539 case 0x83: /* FLOGR R1,R2 [RRE] */
3540 tmp = load_reg(r2);
3541 tmp32_1 = tcg_const_i32(r1);
3542 gen_helper_flogr(cc_op, tmp32_1, tmp);
3543 set_cc_static(s);
3544 tcg_temp_free_i64(tmp);
3545 tcg_temp_free_i32(tmp32_1);
3546 break;
3547 case 0x84: /* LLGCR R1,R2 [RRE] */
3548 tmp = load_reg(r2);
3549 tcg_gen_andi_i64(tmp, tmp, 0xff);
3550 store_reg(r1, tmp);
3551 tcg_temp_free_i64(tmp);
3552 break;
3553 case 0x85: /* LLGHR R1,R2 [RRE] */
3554 tmp = load_reg(r2);
3555 tcg_gen_andi_i64(tmp, tmp, 0xffff);
3556 store_reg(r1, tmp);
3557 tcg_temp_free_i64(tmp);
3558 break;
3559 case 0x87: /* DLGR R1,R2 [RRE] */
3560 tmp32_1 = tcg_const_i32(r1);
3561 tmp = load_reg(r2);
3562 gen_helper_dlg(tmp32_1, tmp);
3563 tcg_temp_free_i64(tmp);
3564 tcg_temp_free_i32(tmp32_1);
3565 break;
3566 case 0x88: /* ALCGR R1,R2 [RRE] */
3567 tmp = load_reg(r1);
3568 tmp2 = load_reg(r2);
3569 tmp3 = tcg_temp_new_i64();
3570 gen_op_calc_cc(s);
3571 tcg_gen_extu_i32_i64(tmp3, cc_op);
3572 tcg_gen_shri_i64(tmp3, tmp3, 1);
3573 tcg_gen_andi_i64(tmp3, tmp3, 1);
3574 tcg_gen_add_i64(tmp3, tmp2, tmp3);
3575 tcg_gen_add_i64(tmp3, tmp, tmp3);
3576 store_reg(r1, tmp3);
3577 set_cc_addu64(s, tmp, tmp2, tmp3);
3578 tcg_temp_free_i64(tmp);
3579 tcg_temp_free_i64(tmp2);
3580 tcg_temp_free_i64(tmp3);
3581 break;
3582 case 0x89: /* SLBGR R1,R2 [RRE] */
3583 tmp = load_reg(r1);
3584 tmp2 = load_reg(r2);
3585 tmp32_1 = tcg_const_i32(r1);
3586 gen_op_calc_cc(s);
3587 gen_helper_slbg(cc_op, cc_op, tmp32_1, tmp, tmp2);
3588 set_cc_static(s);
3589 tcg_temp_free_i64(tmp);
3590 tcg_temp_free_i64(tmp2);
3591 tcg_temp_free_i32(tmp32_1);
3592 break;
3593 case 0x94: /* LLCR R1,R2 [RRE] */
3594 tmp32_1 = load_reg32(r2);
3595 tcg_gen_andi_i32(tmp32_1, tmp32_1, 0xff);
3596 store_reg32(r1, tmp32_1);
3597 tcg_temp_free_i32(tmp32_1);
3598 break;
3599 case 0x95: /* LLHR R1,R2 [RRE] */
3600 tmp32_1 = load_reg32(r2);
3601 tcg_gen_andi_i32(tmp32_1, tmp32_1, 0xffff);
3602 store_reg32(r1, tmp32_1);
3603 tcg_temp_free_i32(tmp32_1);
3604 break;
3605 case 0x96: /* MLR R1,R2 [RRE] */
3606 /* reg(r1, r1+1) = reg(r1+1) * reg(r2) */
3607 tmp2 = load_reg(r2);
3608 tmp3 = load_reg((r1 + 1) & 15);
3609 tcg_gen_ext32u_i64(tmp2, tmp2);
3610 tcg_gen_ext32u_i64(tmp3, tmp3);
3611 tcg_gen_mul_i64(tmp2, tmp2, tmp3);
3612 store_reg32_i64((r1 + 1) & 15, tmp2);
3613 tcg_gen_shri_i64(tmp2, tmp2, 32);
3614 store_reg32_i64(r1, tmp2);
3615 tcg_temp_free_i64(tmp2);
3616 tcg_temp_free_i64(tmp3);
3617 break;
3618 case 0x97: /* DLR R1,R2 [RRE] */
3619 /* reg(r1) = reg(r1, r1+1) % reg(r2) */
3620 /* reg(r1+1) = reg(r1, r1+1) / reg(r2) */
3621 tmp = load_reg(r1);
3622 tmp2 = load_reg(r2);
3623 tmp3 = load_reg((r1 + 1) & 15);
3624 tcg_gen_ext32u_i64(tmp2, tmp2);
3625 tcg_gen_ext32u_i64(tmp3, tmp3);
3626 tcg_gen_shli_i64(tmp, tmp, 32);
3627 tcg_gen_or_i64(tmp, tmp, tmp3);
3628
3629 tcg_gen_rem_i64(tmp3, tmp, tmp2);
3630 tcg_gen_div_i64(tmp, tmp, tmp2);
3631 store_reg32_i64((r1 + 1) & 15, tmp);
3632 store_reg32_i64(r1, tmp3);
3633 tcg_temp_free_i64(tmp);
3634 tcg_temp_free_i64(tmp2);
3635 tcg_temp_free_i64(tmp3);
3636 break;
3637 case 0x98: /* ALCR R1,R2 [RRE] */
3638 tmp32_1 = load_reg32(r1);
3639 tmp32_2 = load_reg32(r2);
3640 tmp32_3 = tcg_temp_new_i32();
3641 /* XXX possible optimization point */
3642 gen_op_calc_cc(s);
3643 gen_helper_addc_u32(tmp32_3, cc_op, tmp32_1, tmp32_2);
3644 set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
3645 store_reg32(r1, tmp32_3);
3646 tcg_temp_free_i32(tmp32_1);
3647 tcg_temp_free_i32(tmp32_2);
3648 tcg_temp_free_i32(tmp32_3);
3649 break;
3650 case 0x99: /* SLBR R1,R2 [RRE] */
3651 tmp32_1 = load_reg32(r2);
3652 tmp32_2 = tcg_const_i32(r1);
3653 gen_op_calc_cc(s);
3654 gen_helper_slb(cc_op, cc_op, tmp32_2, tmp32_1);
3655 set_cc_static(s);
3656 tcg_temp_free_i32(tmp32_1);
3657 tcg_temp_free_i32(tmp32_2);
3658 break;
3659 default:
3660 LOG_DISAS("illegal b9 operation 0x%x\n", op);
3661 gen_illegal_opcode(s, 2);
3662 break;
3663 }
3664 }
3665
3666 static void disas_c0(DisasContext *s, int op, int r1, int i2)
3667 {
3668 TCGv_i64 tmp;
3669 TCGv_i32 tmp32_1, tmp32_2;
3670 uint64_t target = s->pc + i2 * 2LL;
3671 int l1;
3672
3673 LOG_DISAS("disas_c0: op 0x%x r1 %d i2 %d\n", op, r1, i2);
3674
3675 switch (op) {
3676 case 0: /* larl r1, i2 */
3677 tmp = tcg_const_i64(target);
3678 store_reg(r1, tmp);
3679 tcg_temp_free_i64(tmp);
3680 break;
3681 case 0x1: /* LGFI R1,I2 [RIL] */
3682 tmp = tcg_const_i64((int64_t)i2);
3683 store_reg(r1, tmp);
3684 tcg_temp_free_i64(tmp);
3685 break;
3686 case 0x4: /* BRCL M1,I2 [RIL] */
3687 /* m1 & (1 << (3 - cc)) */
3688 tmp32_1 = tcg_const_i32(3);
3689 tmp32_2 = tcg_const_i32(1);
3690 gen_op_calc_cc(s);
3691 tcg_gen_sub_i32(tmp32_1, tmp32_1, cc_op);
3692 tcg_gen_shl_i32(tmp32_2, tmp32_2, tmp32_1);
3693 tcg_temp_free_i32(tmp32_1);
3694 tmp32_1 = tcg_const_i32(r1); /* m1 == r1 */
3695 tcg_gen_and_i32(tmp32_1, tmp32_1, tmp32_2);
3696 l1 = gen_new_label();
3697 tcg_gen_brcondi_i32(TCG_COND_EQ, tmp32_1, 0, l1);
3698 gen_goto_tb(s, 0, target);
3699 gen_set_label(l1);
3700 gen_goto_tb(s, 1, s->pc + 6);
3701 s->is_jmp = DISAS_TB_JUMP;
3702 tcg_temp_free_i32(tmp32_1);
3703 tcg_temp_free_i32(tmp32_2);
3704 break;
3705 case 0x5: /* brasl r1, i2 */
3706 tmp = tcg_const_i64(pc_to_link_info(s, s->pc + 6));
3707 store_reg(r1, tmp);
3708 tcg_temp_free_i64(tmp);
3709 gen_goto_tb(s, 0, target);
3710 s->is_jmp = DISAS_TB_JUMP;
3711 break;
3712 case 0x7: /* XILF R1,I2 [RIL] */
3713 case 0xb: /* NILF R1,I2 [RIL] */
3714 case 0xd: /* OILF R1,I2 [RIL] */
3715 tmp32_1 = load_reg32(r1);
3716 switch (op) {
3717 case 0x7:
3718 tcg_gen_xori_i32(tmp32_1, tmp32_1, (uint32_t)i2);
3719 break;
3720 case 0xb:
3721 tcg_gen_andi_i32(tmp32_1, tmp32_1, (uint32_t)i2);
3722 break;
3723 case 0xd:
3724 tcg_gen_ori_i32(tmp32_1, tmp32_1, (uint32_t)i2);
3725 break;
3726 default:
3727 tcg_abort();
3728 }
3729 store_reg32(r1, tmp32_1);
3730 set_cc_nz_u32(s, tmp32_1);
3731 tcg_temp_free_i32(tmp32_1);
3732 break;
3733 case 0x9: /* IILF R1,I2 [RIL] */
3734 tmp32_1 = tcg_const_i32((uint32_t)i2);
3735 store_reg32(r1, tmp32_1);
3736 tcg_temp_free_i32(tmp32_1);
3737 break;
3738 case 0xa: /* NIHF R1,I2 [RIL] */
3739 tmp = load_reg(r1);
3740 tmp32_1 = tcg_temp_new_i32();
3741 tcg_gen_andi_i64(tmp, tmp, (((uint64_t)((uint32_t)i2)) << 32)
3742 | 0xffffffffULL);
3743 store_reg(r1, tmp);
3744 tcg_gen_shri_i64(tmp, tmp, 32);
3745 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
3746 set_cc_nz_u32(s, tmp32_1);
3747 tcg_temp_free_i64(tmp);
3748 tcg_temp_free_i32(tmp32_1);
3749 break;
3750 case 0xe: /* LLIHF R1,I2 [RIL] */
3751 tmp = tcg_const_i64(((uint64_t)(uint32_t)i2) << 32);
3752 store_reg(r1, tmp);
3753 tcg_temp_free_i64(tmp);
3754 break;
3755 case 0xf: /* LLILF R1,I2 [RIL] */
3756 tmp = tcg_const_i64((uint32_t)i2);
3757 store_reg(r1, tmp);
3758 tcg_temp_free_i64(tmp);
3759 break;
3760 default:
3761 LOG_DISAS("illegal c0 operation 0x%x\n", op);
3762 gen_illegal_opcode(s, 3);
3763 break;
3764 }
3765 }
3766
3767 static void disas_c2(DisasContext *s, int op, int r1, int i2)
3768 {
3769 TCGv_i64 tmp, tmp2, tmp3;
3770 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
3771
3772 switch (op) {
3773 case 0x4: /* SLGFI R1,I2 [RIL] */
3774 case 0xa: /* ALGFI R1,I2 [RIL] */
3775 tmp = load_reg(r1);
3776 tmp2 = tcg_const_i64((uint64_t)(uint32_t)i2);
3777 tmp3 = tcg_temp_new_i64();
3778 switch (op) {
3779 case 0x4:
3780 tcg_gen_sub_i64(tmp3, tmp, tmp2);
3781 set_cc_subu64(s, tmp, tmp2, tmp3);
3782 break;
3783 case 0xa:
3784 tcg_gen_add_i64(tmp3, tmp, tmp2);
3785 set_cc_addu64(s, tmp, tmp2, tmp3);
3786 break;
3787 default:
3788 tcg_abort();
3789 }
3790 store_reg(r1, tmp3);
3791 tcg_temp_free_i64(tmp);
3792 tcg_temp_free_i64(tmp2);
3793 tcg_temp_free_i64(tmp3);
3794 break;
3795 case 0x5: /* SLFI R1,I2 [RIL] */
3796 case 0xb: /* ALFI R1,I2 [RIL] */
3797 tmp32_1 = load_reg32(r1);
3798 tmp32_2 = tcg_const_i32(i2);
3799 tmp32_3 = tcg_temp_new_i32();
3800 switch (op) {
3801 case 0x5:
3802 tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
3803 set_cc_subu32(s, tmp32_1, tmp32_2, tmp32_3);
3804 break;
3805 case 0xb:
3806 tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
3807 set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
3808 break;
3809 default:
3810 tcg_abort();
3811 }
3812 store_reg32(r1, tmp32_3);
3813 tcg_temp_free_i32(tmp32_1);
3814 tcg_temp_free_i32(tmp32_2);
3815 tcg_temp_free_i32(tmp32_3);
3816 break;
3817 case 0xc: /* CGFI R1,I2 [RIL] */
3818 tmp = load_reg(r1);
3819 cmp_s64c(s, tmp, (int64_t)i2);
3820 tcg_temp_free_i64(tmp);
3821 break;
3822 case 0xe: /* CLGFI R1,I2 [RIL] */
3823 tmp = load_reg(r1);
3824 cmp_u64c(s, tmp, (uint64_t)(uint32_t)i2);
3825 tcg_temp_free_i64(tmp);
3826 break;
3827 case 0xd: /* CFI R1,I2 [RIL] */
3828 tmp32_1 = load_reg32(r1);
3829 cmp_s32c(s, tmp32_1, i2);
3830 tcg_temp_free_i32(tmp32_1);
3831 break;
3832 case 0xf: /* CLFI R1,I2 [RIL] */
3833 tmp32_1 = load_reg32(r1);
3834 cmp_u32c(s, tmp32_1, i2);
3835 tcg_temp_free_i32(tmp32_1);
3836 break;
3837 default:
3838 LOG_DISAS("illegal c2 operation 0x%x\n", op);
3839 gen_illegal_opcode(s, 3);
3840 break;
3841 }
3842 }
3843
3844 static void gen_and_or_xor_i32(int opc, TCGv_i32 tmp, TCGv_i32 tmp2)
3845 {
3846 switch (opc & 0xf) {
3847 case 0x4:
3848 tcg_gen_and_i32(tmp, tmp, tmp2);
3849 break;
3850 case 0x6:
3851 tcg_gen_or_i32(tmp, tmp, tmp2);
3852 break;
3853 case 0x7:
3854 tcg_gen_xor_i32(tmp, tmp, tmp2);
3855 break;
3856 default:
3857 tcg_abort();
3858 }
3859 }
3860
3861 static void disas_s390_insn(DisasContext *s)
3862 {
3863 TCGv_i64 tmp, tmp2, tmp3, tmp4;
3864 TCGv_i32 tmp32_1, tmp32_2, tmp32_3, tmp32_4;
3865 unsigned char opc;
3866 uint64_t insn;
3867 int op, r1, r2, r3, d1, d2, x2, b1, b2, i, i2, r1b;
3868 TCGv_i32 vl;
3869 int ilc;
3870 int l1;
3871
3872 opc = ldub_code(s->pc);
3873 LOG_DISAS("opc 0x%x\n", opc);
3874
3875 ilc = get_ilc(opc);
3876
3877 switch (opc) {
3878 #ifndef CONFIG_USER_ONLY
3879 case 0x01: /* SAM */
3880 insn = ld_code2(s->pc);
3881 /* set addressing mode, but we only do 64bit anyways */
3882 break;
3883 #endif
3884 case 0x6: /* BCTR R1,R2 [RR] */
3885 insn = ld_code2(s->pc);
3886 decode_rr(s, insn, &r1, &r2);
3887 tmp32_1 = load_reg32(r1);
3888 tcg_gen_subi_i32(tmp32_1, tmp32_1, 1);
3889 store_reg32(r1, tmp32_1);
3890
3891 if (r2) {
3892 gen_update_cc_op(s);
3893 l1 = gen_new_label();
3894 tcg_gen_brcondi_i32(TCG_COND_NE, tmp32_1, 0, l1);
3895
3896 /* not taking the branch, jump to after the instruction */
3897 gen_goto_tb(s, 0, s->pc + 2);
3898 gen_set_label(l1);
3899
3900 /* take the branch, move R2 into psw.addr */
3901 tmp32_1 = load_reg32(r2);
3902 tmp = tcg_temp_new_i64();
3903 tcg_gen_extu_i32_i64(tmp, tmp32_1);
3904 tcg_gen_mov_i64(psw_addr, tmp);
3905 s->is_jmp = DISAS_JUMP;
3906 tcg_temp_free_i32(tmp32_1);
3907 tcg_temp_free_i64(tmp);
3908 }
3909 break;
3910 case 0x7: /* BCR M1,R2 [RR] */
3911 insn = ld_code2(s->pc);
3912 decode_rr(s, insn, &r1, &r2);
3913 if (r2) {
3914 tmp = load_reg(r2);
3915 gen_bcr(s, r1, tmp, s->pc);
3916 tcg_temp_free_i64(tmp);
3917 s->is_jmp = DISAS_TB_JUMP;
3918 } else {
3919 /* XXX: "serialization and checkpoint-synchronization function"? */
3920 }
3921 break;
3922 case 0xa: /* SVC I [RR] */
3923 insn = ld_code2(s->pc);
3924 debug_insn(insn);
3925 i = insn & 0xff;
3926 update_psw_addr(s);
3927 gen_op_calc_cc(s);
3928 tmp32_1 = tcg_const_i32(i);
3929 tmp32_2 = tcg_const_i32(ilc * 2);
3930 tmp32_3 = tcg_const_i32(EXCP_SVC);
3931 tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUState, int_svc_code));
3932 tcg_gen_st_i32(tmp32_2, cpu_env, offsetof(CPUState, int_svc_ilc));
3933 gen_helper_exception(tmp32_3);
3934 s->is_jmp = DISAS_EXCP;
3935 tcg_temp_free_i32(tmp32_1);
3936 tcg_temp_free_i32(tmp32_2);
3937 tcg_temp_free_i32(tmp32_3);
3938 break;
3939 case 0xd: /* BASR R1,R2 [RR] */
3940 insn = ld_code2(s->pc);
3941 decode_rr(s, insn, &r1, &r2);
3942 tmp = tcg_const_i64(pc_to_link_info(s, s->pc + 2));
3943 store_reg(r1, tmp);
3944 if (r2) {
3945 tmp2 = load_reg(r2);
3946 tcg_gen_mov_i64(psw_addr, tmp2);
3947 tcg_temp_free_i64(tmp2);
3948 s->is_jmp = DISAS_JUMP;
3949 }
3950 tcg_temp_free_i64(tmp);
3951 break;
3952 case 0xe: /* MVCL R1,R2 [RR] */
3953 insn = ld_code2(s->pc);
3954 decode_rr(s, insn, &r1, &r2);
3955 tmp32_1 = tcg_const_i32(r1);
3956 tmp32_2 = tcg_const_i32(r2);
3957 potential_page_fault(s);
3958 gen_helper_mvcl(cc_op, tmp32_1, tmp32_2);
3959 set_cc_static(s);
3960 tcg_temp_free_i32(tmp32_1);
3961 tcg_temp_free_i32(tmp32_2);
3962 break;
3963 case 0x10: /* LPR R1,R2 [RR] */
3964 insn = ld_code2(s->pc);
3965 decode_rr(s, insn, &r1, &r2);
3966 tmp32_1 = load_reg32(r2);
3967 set_cc_abs32(s, tmp32_1);
3968 gen_helper_abs_i32(tmp32_1, tmp32_1);
3969 store_reg32(r1, tmp32_1);
3970 tcg_temp_free_i32(tmp32_1);
3971 break;
3972 case 0x11: /* LNR R1,R2 [RR] */
3973 insn = ld_code2(s->pc);
3974 decode_rr(s, insn, &r1, &r2);
3975 tmp32_1 = load_reg32(r2);
3976 set_cc_nabs32(s, tmp32_1);
3977 gen_helper_nabs_i32(tmp32_1, tmp32_1);
3978 store_reg32(r1, tmp32_1);
3979 tcg_temp_free_i32(tmp32_1);
3980 break;
3981 case 0x12: /* LTR R1,R2 [RR] */
3982 insn = ld_code2(s->pc);
3983 decode_rr(s, insn, &r1, &r2);
3984 tmp32_1 = load_reg32(r2);
3985 if (r1 != r2) {
3986 store_reg32(r1, tmp32_1);
3987 }
3988 set_cc_s32(s, tmp32_1);
3989 tcg_temp_free_i32(tmp32_1);
3990 break;
3991 case 0x13: /* LCR R1,R2 [RR] */
3992 insn = ld_code2(s->pc);
3993 decode_rr(s, insn, &r1, &r2);
3994 tmp32_1 = load_reg32(r2);
3995 tcg_gen_neg_i32(tmp32_1, tmp32_1);
3996 store_reg32(r1, tmp32_1);
3997 set_cc_comp32(s, tmp32_1);
3998 tcg_temp_free_i32(tmp32_1);
3999 break;
4000 case 0x14: /* NR R1,R2 [RR] */
4001 case 0x16: /* OR R1,R2 [RR] */
4002 case 0x17: /* XR R1,R2 [RR] */
4003 insn = ld_code2(s->pc);
4004 decode_rr(s, insn, &r1, &r2);
4005 tmp32_2 = load_reg32(r2);
4006 tmp32_1 = load_reg32(r1);
4007 gen_and_or_xor_i32(opc, tmp32_1, tmp32_2);
4008 store_reg32(r1, tmp32_1);
4009 set_cc_nz_u32(s, tmp32_1);
4010 tcg_temp_free_i32(tmp32_1);
4011 tcg_temp_free_i32(tmp32_2);
4012 break;
4013 case 0x18: /* LR R1,R2 [RR] */
4014 insn = ld_code2(s->pc);
4015 decode_rr(s, insn, &r1, &r2);
4016 tmp32_1 = load_reg32(r2);
4017 store_reg32(r1, tmp32_1);
4018 tcg_temp_free_i32(tmp32_1);
4019 break;
4020 case 0x15: /* CLR R1,R2 [RR] */
4021 case 0x19: /* CR R1,R2 [RR] */
4022 insn = ld_code2(s->pc);
4023 decode_rr(s, insn, &r1, &r2);
4024 tmp32_1 = load_reg32(r1);
4025 tmp32_2 = load_reg32(r2);
4026 if (opc == 0x15) {
4027 cmp_u32(s, tmp32_1, tmp32_2);
4028 } else {
4029 cmp_s32(s, tmp32_1, tmp32_2);
4030 }
4031 tcg_temp_free_i32(tmp32_1);
4032 tcg_temp_free_i32(tmp32_2);
4033 break;
4034 case 0x1a: /* AR R1,R2 [RR] */
4035 case 0x1e: /* ALR R1,R2 [RR] */
4036 insn = ld_code2(s->pc);
4037 decode_rr(s, insn, &r1, &r2);
4038 tmp32_1 = load_reg32(r1);
4039 tmp32_2 = load_reg32(r2);
4040 tmp32_3 = tcg_temp_new_i32();
4041 tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
4042 store_reg32(r1, tmp32_3);
4043 if (opc == 0x1a) {
4044 set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
4045 } else {
4046 set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
4047 }
4048 tcg_temp_free_i32(tmp32_1);
4049 tcg_temp_free_i32(tmp32_2);
4050 tcg_temp_free_i32(tmp32_3);
4051 break;
4052 case 0x1b: /* SR R1,R2 [RR] */
4053 case 0x1f: /* SLR R1,R2 [RR] */
4054 insn = ld_code2(s->pc);
4055 decode_rr(s, insn, &r1, &r2);
4056 tmp32_1 = load_reg32(r1);
4057 tmp32_2 = load_reg32(r2);
4058 tmp32_3 = tcg_temp_new_i32();
4059 tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
4060 store_reg32(r1, tmp32_3);
4061 if (opc == 0x1b) {
4062 set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
4063 } else {
4064 set_cc_subu32(s, tmp32_1, tmp32_2, tmp32_3);
4065 }
4066 tcg_temp_free_i32(tmp32_1);
4067 tcg_temp_free_i32(tmp32_2);
4068 tcg_temp_free_i32(tmp32_3);
4069 break;
4070 case 0x1c: /* MR R1,R2 [RR] */
4071 /* reg(r1, r1+1) = reg(r1+1) * reg(r2) */
4072 insn = ld_code2(s->pc);
4073 decode_rr(s, insn, &r1, &r2);
4074 tmp2 = load_reg(r2);
4075 tmp3 = load_reg((r1 + 1) & 15);
4076 tcg_gen_ext32s_i64(tmp2, tmp2);
4077 tcg_gen_ext32s_i64(tmp3, tmp3);
4078 tcg_gen_mul_i64(tmp2, tmp2, tmp3);
4079 store_reg32_i64((r1 + 1) & 15, tmp2);
4080 tcg_gen_shri_i64(tmp2, tmp2, 32);
4081 store_reg32_i64(r1, tmp2);
4082 tcg_temp_free_i64(tmp2);
4083 tcg_temp_free_i64(tmp3);
4084 break;
4085 case 0x1d: /* DR R1,R2 [RR] */
4086 insn = ld_code2(s->pc);
4087 decode_rr(s, insn, &r1, &r2);
4088 tmp32_1 = load_reg32(r1);
4089 tmp32_2 = load_reg32(r1 + 1);
4090 tmp32_3 = load_reg32(r2);
4091
4092 tmp = tcg_temp_new_i64(); /* dividend */
4093 tmp2 = tcg_temp_new_i64(); /* divisor */
4094 tmp3 = tcg_temp_new_i64();
4095
4096 /* dividend is r(r1 << 32) | r(r1 + 1) */
4097 tcg_gen_extu_i32_i64(tmp, tmp32_1);
4098 tcg_gen_extu_i32_i64(tmp2, tmp32_2);
4099 tcg_gen_shli_i64(tmp, tmp, 32);
4100 tcg_gen_or_i64(tmp, tmp, tmp2);
4101
4102 /* divisor is r(r2) */
4103 tcg_gen_ext_i32_i64(tmp2, tmp32_3);
4104
4105 tcg_gen_div_i64(tmp3, tmp, tmp2);
4106 tcg_gen_rem_i64(tmp, tmp, tmp2);
4107
4108 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
4109 tcg_gen_trunc_i64_i32(tmp32_2, tmp3);
4110
4111 store_reg32(r1, tmp32_1); /* remainder */
4112 store_reg32(r1 + 1, tmp32_2); /* quotient */
4113 tcg_temp_free_i32(tmp32_1);
4114 tcg_temp_free_i32(tmp32_2);
4115 tcg_temp_free_i32(tmp32_3);
4116 tcg_temp_free_i64(tmp);
4117 tcg_temp_free_i64(tmp2);
4118 tcg_temp_free_i64(tmp3);
4119 break;
4120 case 0x28: /* LDR R1,R2 [RR] */
4121 insn = ld_code2(s->pc);
4122 decode_rr(s, insn, &r1, &r2);
4123 tmp = load_freg(r2);
4124 store_freg(r1, tmp);
4125 tcg_temp_free_i64(tmp);
4126 break;
4127 case 0x38: /* LER R1,R2 [RR] */
4128 insn = ld_code2(s->pc);
4129 decode_rr(s, insn, &r1, &r2);
4130 tmp32_1 = load_freg32(r2);
4131 store_freg32(r1, tmp32_1);
4132 tcg_temp_free_i32(tmp32_1);
4133 break;
4134 case 0x40: /* STH R1,D2(X2,B2) [RX] */
4135 insn = ld_code4(s->pc);
4136 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4137 tmp2 = load_reg(r1);
4138 tcg_gen_qemu_st16(tmp2, tmp, get_mem_index(s));
4139 tcg_temp_free_i64(tmp);
4140 tcg_temp_free_i64(tmp2);
4141 break;
4142 case 0x41: /* la */
4143 insn = ld_code4(s->pc);
4144 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4145 store_reg(r1, tmp); /* FIXME: 31/24-bit addressing */
4146 tcg_temp_free_i64(tmp);
4147 break;
4148 case 0x42: /* STC R1,D2(X2,B2) [RX] */
4149 insn = ld_code4(s->pc);
4150 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4151 tmp2 = load_reg(r1);
4152 tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
4153 tcg_temp_free_i64(tmp);
4154 tcg_temp_free_i64(tmp2);
4155 break;
4156 case 0x43: /* IC R1,D2(X2,B2) [RX] */
4157 insn = ld_code4(s->pc);
4158 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4159 tmp2 = tcg_temp_new_i64();
4160 tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
4161 store_reg8(r1, tmp2);
4162 tcg_temp_free_i64(tmp);
4163 tcg_temp_free_i64(tmp2);
4164 break;
4165 case 0x44: /* EX R1,D2(X2,B2) [RX] */
4166 insn = ld_code4(s->pc);
4167 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4168 tmp2 = load_reg(r1);
4169 tmp3 = tcg_const_i64(s->pc + 4);
4170 update_psw_addr(s);
4171 gen_op_calc_cc(s);
4172 gen_helper_ex(cc_op, cc_op, tmp2, tmp, tmp3);
4173 set_cc_static(s);
4174 tcg_temp_free_i64(tmp);
4175 tcg_temp_free_i64(tmp2);
4176 tcg_temp_free_i64(tmp3);
4177 break;
4178 case 0x46: /* BCT R1,D2(X2,B2) [RX] */
4179 insn = ld_code4(s->pc);
4180 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4181 tcg_temp_free_i64(tmp);
4182
4183 tmp32_1 = load_reg32(r1);
4184 tcg_gen_subi_i32(tmp32_1, tmp32_1, 1);
4185 store_reg32(r1, tmp32_1);
4186
4187 gen_update_cc_op(s);
4188 l1 = gen_new_label();
4189 tcg_gen_brcondi_i32(TCG_COND_NE, tmp32_1, 0, l1);
4190
4191 /* not taking the branch, jump to after the instruction */
4192 gen_goto_tb(s, 0, s->pc + 4);
4193 gen_set_label(l1);
4194
4195 /* take the branch, move R2 into psw.addr */
4196 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4197 tcg_gen_mov_i64(psw_addr, tmp);
4198 s->is_jmp = DISAS_JUMP;
4199 tcg_temp_free_i32(tmp32_1);
4200 tcg_temp_free_i64(tmp);
4201 break;
4202 case 0x47: /* BC M1,D2(X2,B2) [RX] */
4203 insn = ld_code4(s->pc);
4204 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4205 gen_bcr(s, r1, tmp, s->pc + 4);
4206 tcg_temp_free_i64(tmp);
4207 s->is_jmp = DISAS_TB_JUMP;
4208 break;
4209 case 0x48: /* LH R1,D2(X2,B2) [RX] */
4210 insn = ld_code4(s->pc);
4211 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4212 tmp2 = tcg_temp_new_i64();
4213 tcg_gen_qemu_ld16s(tmp2, tmp, get_mem_index(s));
4214 store_reg32_i64(r1, tmp2);
4215 tcg_temp_free_i64(tmp);
4216 tcg_temp_free_i64(tmp2);
4217 break;
4218 case 0x49: /* CH R1,D2(X2,B2) [RX] */
4219 insn = ld_code4(s->pc);
4220 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4221 tmp32_1 = load_reg32(r1);
4222 tmp32_2 = tcg_temp_new_i32();
4223 tmp2 = tcg_temp_new_i64();
4224 tcg_gen_qemu_ld16s(tmp2, tmp, get_mem_index(s));
4225 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4226 cmp_s32(s, tmp32_1, tmp32_2);
4227 tcg_temp_free_i32(tmp32_1);
4228 tcg_temp_free_i32(tmp32_2);
4229 tcg_temp_free_i64(tmp);
4230 tcg_temp_free_i64(tmp2);
4231 break;
4232 case 0x4a: /* AH R1,D2(X2,B2) [RX] */
4233 case 0x4b: /* SH R1,D2(X2,B2) [RX] */
4234 case 0x4c: /* MH R1,D2(X2,B2) [RX] */
4235 insn = ld_code4(s->pc);
4236 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4237 tmp2 = tcg_temp_new_i64();
4238 tmp32_1 = load_reg32(r1);
4239 tmp32_2 = tcg_temp_new_i32();
4240 tmp32_3 = tcg_temp_new_i32();
4241
4242 tcg_gen_qemu_ld16s(tmp2, tmp, get_mem_index(s));
4243 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4244 switch (opc) {
4245 case 0x4a:
4246 tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
4247 set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
4248 break;
4249 case 0x4b:
4250 tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
4251 set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
4252 break;
4253 case 0x4c:
4254 tcg_gen_mul_i32(tmp32_3, tmp32_1, tmp32_2);
4255 break;
4256 default:
4257 tcg_abort();
4258 }
4259 store_reg32(r1, tmp32_3);
4260
4261 tcg_temp_free_i32(tmp32_1);
4262 tcg_temp_free_i32(tmp32_2);
4263 tcg_temp_free_i32(tmp32_3);
4264 tcg_temp_free_i64(tmp);
4265 tcg_temp_free_i64(tmp2);
4266 break;
4267 case 0x4d: /* BAS R1,D2(X2,B2) [RX] */
4268 insn = ld_code4(s->pc);
4269 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4270 tmp2 = tcg_const_i64(pc_to_link_info(s, s->pc + 4));
4271 store_reg(r1, tmp2);
4272 tcg_gen_mov_i64(psw_addr, tmp);
4273 tcg_temp_free_i64(tmp);
4274 tcg_temp_free_i64(tmp2);
4275 s->is_jmp = DISAS_JUMP;
4276 break;
4277 case 0x4e: /* CVD R1,D2(X2,B2) [RX] */
4278 insn = ld_code4(s->pc);
4279 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4280 tmp2 = tcg_temp_new_i64();
4281 tmp32_1 = tcg_temp_new_i32();
4282 tcg_gen_trunc_i64_i32(tmp32_1, regs[r1]);
4283 gen_helper_cvd(tmp2, tmp32_1);
4284 tcg_gen_qemu_st64(tmp2, tmp, get_mem_index(s));
4285 tcg_temp_free_i64(tmp);
4286 tcg_temp_free_i64(tmp2);
4287 tcg_temp_free_i32(tmp32_1);
4288 break;
4289 case 0x50: /* st r1, d2(x2, b2) */
4290 insn = ld_code4(s->pc);
4291 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4292 tmp2 = load_reg(r1);
4293 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
4294 tcg_temp_free_i64(tmp);
4295 tcg_temp_free_i64(tmp2);
4296 break;
4297 case 0x55: /* CL R1,D2(X2,B2) [RX] */
4298 insn = ld_code4(s->pc);
4299 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4300 tmp2 = tcg_temp_new_i64();
4301 tmp32_1 = tcg_temp_new_i32();
4302 tmp32_2 = load_reg32(r1);
4303 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4304 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
4305 cmp_u32(s, tmp32_2, tmp32_1);
4306 tcg_temp_free_i64(tmp);
4307 tcg_temp_free_i64(tmp2);
4308 tcg_temp_free_i32(tmp32_1);
4309 tcg_temp_free_i32(tmp32_2);
4310 break;
4311 case 0x54: /* N R1,D2(X2,B2) [RX] */
4312 case 0x56: /* O R1,D2(X2,B2) [RX] */
4313 case 0x57: /* X R1,D2(X2,B2) [RX] */
4314 insn = ld_code4(s->pc);
4315 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4316 tmp2 = tcg_temp_new_i64();
4317 tmp32_1 = load_reg32(r1);
4318 tmp32_2 = tcg_temp_new_i32();
4319 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4320 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4321 gen_and_or_xor_i32(opc, tmp32_1, tmp32_2);
4322 store_reg32(r1, tmp32_1);
4323 set_cc_nz_u32(s, tmp32_1);
4324 tcg_temp_free_i64(tmp);
4325 tcg_temp_free_i64(tmp2);
4326 tcg_temp_free_i32(tmp32_1);
4327 tcg_temp_free_i32(tmp32_2);
4328 break;
4329 case 0x58: /* l r1, d2(x2, b2) */
4330 insn = ld_code4(s->pc);
4331 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4332 tmp2 = tcg_temp_new_i64();
4333 tmp32_1 = tcg_temp_new_i32();
4334 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4335 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
4336 store_reg32(r1, tmp32_1);
4337 tcg_temp_free_i64(tmp);
4338 tcg_temp_free_i64(tmp2);
4339 tcg_temp_free_i32(tmp32_1);
4340 break;
4341 case 0x59: /* C R1,D2(X2,B2) [RX] */
4342 insn = ld_code4(s->pc);
4343 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4344 tmp2 = tcg_temp_new_i64();
4345 tmp32_1 = tcg_temp_new_i32();
4346 tmp32_2 = load_reg32(r1);
4347 tcg_gen_qemu_ld32s(tmp2, tmp, get_mem_index(s));
4348 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
4349 cmp_s32(s, tmp32_2, tmp32_1);
4350 tcg_temp_free_i64(tmp);
4351 tcg_temp_free_i64(tmp2);
4352 tcg_temp_free_i32(tmp32_1);
4353 tcg_temp_free_i32(tmp32_2);
4354 break;
4355 case 0x5a: /* A R1,D2(X2,B2) [RX] */
4356 case 0x5b: /* S R1,D2(X2,B2) [RX] */
4357 case 0x5e: /* AL R1,D2(X2,B2) [RX] */
4358 case 0x5f: /* SL R1,D2(X2,B2) [RX] */
4359 insn = ld_code4(s->pc);
4360 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4361 tmp32_1 = load_reg32(r1);
4362 tmp32_2 = tcg_temp_new_i32();
4363 tmp32_3 = tcg_temp_new_i32();
4364 tcg_gen_qemu_ld32s(tmp, tmp, get_mem_index(s));
4365 tcg_gen_trunc_i64_i32(tmp32_2, tmp);
4366 switch (opc) {
4367 case 0x5a:
4368 case 0x5e:
4369 tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
4370 break;
4371 case 0x5b:
4372 case 0x5f:
4373 tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
4374 break;
4375 default:
4376 tcg_abort();
4377 }
4378 store_reg32(r1, tmp32_3);
4379 switch (opc) {
4380 case 0x5a:
4381 set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
4382 break;
4383 case 0x5e:
4384 set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
4385 break;
4386 case 0x5b:
4387 set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
4388 break;
4389 case 0x5f:
4390 set_cc_subu32(s, tmp32_1, tmp32_2, tmp32_3);
4391 break;
4392 default:
4393 tcg_abort();
4394 }
4395 tcg_temp_free_i64(tmp);
4396 tcg_temp_free_i32(tmp32_1);
4397 tcg_temp_free_i32(tmp32_2);
4398 tcg_temp_free_i32(tmp32_3);
4399 break;
4400 case 0x5c: /* M R1,D2(X2,B2) [RX] */
4401 /* reg(r1, r1+1) = reg(r1+1) * *(s32*)addr */
4402 insn = ld_code4(s->pc);
4403 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4404 tmp2 = tcg_temp_new_i64();
4405 tcg_gen_qemu_ld32s(tmp2, tmp, get_mem_index(s));
4406 tmp3 = load_reg((r1 + 1) & 15);
4407 tcg_gen_ext32s_i64(tmp2, tmp2);
4408 tcg_gen_ext32s_i64(tmp3, tmp3);
4409 tcg_gen_mul_i64(tmp2, tmp2, tmp3);
4410 store_reg32_i64((r1 + 1) & 15, tmp2);
4411 tcg_gen_shri_i64(tmp2, tmp2, 32);
4412 store_reg32_i64(r1, tmp2);
4413 tcg_temp_free_i64(tmp);
4414 tcg_temp_free_i64(tmp2);
4415 tcg_temp_free_i64(tmp3);
4416 break;
4417 case 0x5d: /* D R1,D2(X2,B2) [RX] */
4418 insn = ld_code4(s->pc);
4419 tmp3 = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4420 tmp32_1 = load_reg32(r1);
4421 tmp32_2 = load_reg32(r1 + 1);
4422
4423 tmp = tcg_temp_new_i64();
4424 tmp2 = tcg_temp_new_i64();
4425
4426 /* dividend is r(r1 << 32) | r(r1 + 1) */
4427 tcg_gen_extu_i32_i64(tmp, tmp32_1);
4428 tcg_gen_extu_i32_i64(tmp2, tmp32_2);
4429 tcg_gen_shli_i64(tmp, tmp, 32);
4430 tcg_gen_or_i64(tmp, tmp, tmp2);
4431
4432 /* divisor is in memory */
4433 tcg_gen_qemu_ld32s(tmp2, tmp3, get_mem_index(s));
4434
4435 /* XXX divisor == 0 -> FixP divide exception */
4436
4437 tcg_gen_div_i64(tmp3, tmp, tmp2);
4438 tcg_gen_rem_i64(tmp, tmp, tmp2);
4439
4440 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
4441 tcg_gen_trunc_i64_i32(tmp32_2, tmp3);
4442
4443 store_reg32(r1, tmp32_1); /* remainder */
4444 store_reg32(r1 + 1, tmp32_2); /* quotient */
4445 tcg_temp_free_i32(tmp32_1);
4446 tcg_temp_free_i32(tmp32_2);
4447 tcg_temp_free_i64(tmp);
4448 tcg_temp_free_i64(tmp2);
4449 tcg_temp_free_i64(tmp3);
4450 break;
4451 case 0x60: /* STD R1,D2(X2,B2) [RX] */
4452 insn = ld_code4(s->pc);
4453 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4454 tmp2 = load_freg(r1);
4455 tcg_gen_qemu_st64(tmp2, tmp, get_mem_index(s));
4456 tcg_temp_free_i64(tmp);
4457 tcg_temp_free_i64(tmp2);
4458 break;
4459 case 0x68: /* LD R1,D2(X2,B2) [RX] */
4460 insn = ld_code4(s->pc);
4461 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4462 tmp2 = tcg_temp_new_i64();
4463 tcg_gen_qemu_ld64(tmp2, tmp, get_mem_index(s));
4464 store_freg(r1, tmp2);
4465 tcg_temp_free_i64(tmp);
4466 tcg_temp_free_i64(tmp2);
4467 break;
4468 case 0x70: /* STE R1,D2(X2,B2) [RX] */
4469 insn = ld_code4(s->pc);
4470 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4471 tmp2 = tcg_temp_new_i64();
4472 tmp32_1 = load_freg32(r1);
4473 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
4474 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
4475 tcg_temp_free_i64(tmp);
4476 tcg_temp_free_i64(tmp2);
4477 tcg_temp_free_i32(tmp32_1);
4478 break;
4479 case 0x71: /* MS R1,D2(X2,B2) [RX] */
4480 insn = ld_code4(s->pc);
4481 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4482 tmp2 = tcg_temp_new_i64();
4483 tmp32_1 = load_reg32(r1);
4484 tmp32_2 = tcg_temp_new_i32();
4485 tcg_gen_qemu_ld32s(tmp2, tmp, get_mem_index(s));
4486 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4487 tcg_gen_mul_i32(tmp32_1, tmp32_1, tmp32_2);
4488 store_reg32(r1, tmp32_1);
4489 tcg_temp_free_i64(tmp);
4490 tcg_temp_free_i64(tmp2);
4491 tcg_temp_free_i32(tmp32_1);
4492 tcg_temp_free_i32(tmp32_2);
4493 break;
4494 case 0x78: /* LE R1,D2(X2,B2) [RX] */
4495 insn = ld_code4(s->pc);
4496 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4497 tmp2 = tcg_temp_new_i64();
4498 tmp32_1 = tcg_temp_new_i32();
4499 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4500 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
4501 store_freg32(r1, tmp32_1);
4502 tcg_temp_free_i64(tmp);
4503 tcg_temp_free_i64(tmp2);
4504 tcg_temp_free_i32(tmp32_1);
4505 break;
4506 #ifndef CONFIG_USER_ONLY
4507 case 0x80: /* SSM D2(B2) [S] */
4508 /* Set System Mask */
4509 check_privileged(s, ilc);
4510 insn = ld_code4(s->pc);
4511 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4512 tmp = get_address(s, 0, b2, d2);
4513 tmp2 = tcg_temp_new_i64();
4514 tmp3 = tcg_temp_new_i64();
4515 tcg_gen_andi_i64(tmp3, psw_mask, ~0xff00000000000000ULL);
4516 tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
4517 tcg_gen_shli_i64(tmp2, tmp2, 56);
4518 tcg_gen_or_i64(psw_mask, tmp3, tmp2);
4519 tcg_temp_free_i64(tmp);
4520 tcg_temp_free_i64(tmp2);
4521 tcg_temp_free_i64(tmp3);
4522 break;
4523 case 0x82: /* LPSW D2(B2) [S] */
4524 /* Load PSW */
4525 check_privileged(s, ilc);
4526 insn = ld_code4(s->pc);
4527 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4528 tmp = get_address(s, 0, b2, d2);
4529 tmp2 = tcg_temp_new_i64();
4530 tmp3 = tcg_temp_new_i64();
4531 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4532 tcg_gen_addi_i64(tmp, tmp, 4);
4533 tcg_gen_qemu_ld32u(tmp3, tmp, get_mem_index(s));
4534 gen_helper_load_psw(tmp2, tmp3);
4535 tcg_temp_free_i64(tmp);
4536 tcg_temp_free_i64(tmp2);
4537 tcg_temp_free_i64(tmp3);
4538 /* we need to keep cc_op intact */
4539 s->is_jmp = DISAS_JUMP;
4540 break;
4541 case 0x83: /* DIAG R1,R3,D2 [RS] */
4542 /* Diagnose call (KVM hypercall) */
4543 check_privileged(s, ilc);
4544 potential_page_fault(s);
4545 insn = ld_code4(s->pc);
4546 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4547 tmp32_1 = tcg_const_i32(insn & 0xfff);
4548 tmp2 = load_reg(2);
4549 tmp3 = load_reg(1);
4550 gen_helper_diag(tmp2, tmp32_1, tmp2, tmp3);
4551 store_reg(2, tmp2);
4552 tcg_temp_free_i32(tmp32_1);
4553 tcg_temp_free_i64(tmp2);
4554 tcg_temp_free_i64(tmp3);
4555 break;
4556 #endif
4557 case 0x88: /* SRL R1,D2(B2) [RS] */
4558 case 0x89: /* SLL R1,D2(B2) [RS] */
4559 case 0x8a: /* SRA R1,D2(B2) [RS] */
4560 insn = ld_code4(s->pc);
4561 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4562 tmp = get_address(s, 0, b2, d2);
4563 tmp32_1 = load_reg32(r1);
4564 tmp32_2 = tcg_temp_new_i32();
4565 tcg_gen_trunc_i64_i32(tmp32_2, tmp);
4566 tcg_gen_andi_i32(tmp32_2, tmp32_2, 0x3f);
4567 switch (opc) {
4568 case 0x88:
4569 tcg_gen_shr_i32(tmp32_1, tmp32_1, tmp32_2);
4570 break;
4571 case 0x89:
4572 tcg_gen_shl_i32(tmp32_1, tmp32_1, tmp32_2);
4573 break;
4574 case 0x8a:
4575 tcg_gen_sar_i32(tmp32_1, tmp32_1, tmp32_2);
4576 set_cc_s32(s, tmp32_1);
4577 break;
4578 default:
4579 tcg_abort();
4580 }
4581 store_reg32(r1, tmp32_1);
4582 tcg_temp_free_i64(tmp);
4583 tcg_temp_free_i32(tmp32_1);
4584 tcg_temp_free_i32(tmp32_2);
4585 break;
4586 case 0x8c: /* SRDL R1,D2(B2) [RS] */
4587 case 0x8d: /* SLDL R1,D2(B2) [RS] */
4588 case 0x8e: /* SRDA R1,D2(B2) [RS] */
4589 insn = ld_code4(s->pc);
4590 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4591 tmp = get_address(s, 0, b2, d2); /* shift */
4592 tmp2 = tcg_temp_new_i64();
4593 tmp32_1 = load_reg32(r1);
4594 tmp32_2 = load_reg32(r1 + 1);
4595 tcg_gen_concat_i32_i64(tmp2, tmp32_2, tmp32_1); /* operand */
4596 switch (opc) {
4597 case 0x8c:
4598 tcg_gen_shr_i64(tmp2, tmp2, tmp);
4599 break;
4600 case 0x8d:
4601 tcg_gen_shl_i64(tmp2, tmp2, tmp);
4602 break;
4603 case 0x8e:
4604 tcg_gen_sar_i64(tmp2, tmp2, tmp);
4605 set_cc_s64(s, tmp2);
4606 break;
4607 }
4608 tcg_gen_shri_i64(tmp, tmp2, 32);
4609 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
4610 store_reg32(r1, tmp32_1);
4611 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4612 store_reg32(r1 + 1, tmp32_2);
4613 tcg_temp_free_i64(tmp);
4614 tcg_temp_free_i64(tmp2);
4615 break;
4616 case 0x98: /* LM R1,R3,D2(B2) [RS] */
4617 case 0x90: /* STM R1,R3,D2(B2) [RS] */
4618 insn = ld_code4(s->pc);
4619 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4620
4621 tmp = get_address(s, 0, b2, d2);
4622 tmp2 = tcg_temp_new_i64();
4623 tmp3 = tcg_const_i64(4);
4624 tmp4 = tcg_const_i64(0xffffffff00000000ULL);
4625 for (i = r1;; i = (i + 1) % 16) {
4626 if (opc == 0x98) {
4627 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4628 tcg_gen_and_i64(regs[i], regs[i], tmp4);
4629 tcg_gen_or_i64(regs[i], regs[i], tmp2);
4630 } else {
4631 tcg_gen_qemu_st32(regs[i], tmp, get_mem_index(s));
4632 }
4633 if (i == r3) {
4634 break;
4635 }
4636 tcg_gen_add_i64(tmp, tmp, tmp3);
4637 }
4638 tcg_temp_free_i64(tmp);
4639 tcg_temp_free_i64(tmp2);
4640 tcg_temp_free_i64(tmp3);
4641 tcg_temp_free_i64(tmp4);
4642 break;
4643 case 0x91: /* TM D1(B1),I2 [SI] */
4644 insn = ld_code4(s->pc);
4645 tmp = decode_si(s, insn, &i2, &b1, &d1);
4646 tmp2 = tcg_const_i64(i2);
4647 tcg_gen_qemu_ld8u(tmp, tmp, get_mem_index(s));
4648 cmp_64(s, tmp, tmp2, CC_OP_TM_32);
4649 tcg_temp_free_i64(tmp);
4650 tcg_temp_free_i64(tmp2);
4651 break;
4652 case 0x92: /* MVI D1(B1),I2 [SI] */
4653 insn = ld_code4(s->pc);
4654 tmp = decode_si(s, insn, &i2, &b1, &d1);
4655 tmp2 = tcg_const_i64(i2);
4656 tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
4657 tcg_temp_free_i64(tmp);
4658 tcg_temp_free_i64(tmp2);
4659 break;
4660 case 0x94: /* NI D1(B1),I2 [SI] */
4661 case 0x96: /* OI D1(B1),I2 [SI] */
4662 case 0x97: /* XI D1(B1),I2 [SI] */
4663 insn = ld_code4(s->pc);
4664 tmp = decode_si(s, insn, &i2, &b1, &d1);
4665 tmp2 = tcg_temp_new_i64();
4666 tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
4667 switch (opc) {
4668 case 0x94:
4669 tcg_gen_andi_i64(tmp2, tmp2, i2);
4670 break;
4671 case 0x96:
4672 tcg_gen_ori_i64(tmp2, tmp2, i2);
4673 break;
4674 case 0x97:
4675 tcg_gen_xori_i64(tmp2, tmp2, i2);
4676 break;
4677 default:
4678 tcg_abort();
4679 }
4680 tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
4681 set_cc_nz_u64(s, tmp2);
4682 tcg_temp_free_i64(tmp);
4683 tcg_temp_free_i64(tmp2);
4684 break;
4685 case 0x95: /* CLI D1(B1),I2 [SI] */
4686 insn = ld_code4(s->pc);
4687 tmp = decode_si(s, insn, &i2, &b1, &d1);
4688 tmp2 = tcg_temp_new_i64();
4689 tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
4690 cmp_u64c(s, tmp2, i2);
4691 tcg_temp_free_i64(tmp);
4692 tcg_temp_free_i64(tmp2);
4693 break;
4694 case 0x9a: /* LAM R1,R3,D2(B2) [RS] */
4695 insn = ld_code4(s->pc);
4696 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4697 tmp = get_address(s, 0, b2, d2);
4698 tmp32_1 = tcg_const_i32(r1);
4699 tmp32_2 = tcg_const_i32(r3);
4700 potential_page_fault(s);
4701 gen_helper_lam(tmp32_1, tmp, tmp32_2);
4702 tcg_temp_free_i64(tmp);
4703 tcg_temp_free_i32(tmp32_1);
4704 tcg_temp_free_i32(tmp32_2);
4705 break;
4706 case 0x9b: /* STAM R1,R3,D2(B2) [RS] */
4707 insn = ld_code4(s->pc);
4708 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4709 tmp = get_address(s, 0, b2, d2);
4710 tmp32_1 = tcg_const_i32(r1);
4711 tmp32_2 = tcg_const_i32(r3);
4712 potential_page_fault(s);
4713 gen_helper_stam(tmp32_1, tmp, tmp32_2);
4714 tcg_temp_free_i64(tmp);
4715 tcg_temp_free_i32(tmp32_1);
4716 tcg_temp_free_i32(tmp32_2);
4717 break;
4718 case 0xa5:
4719 insn = ld_code4(s->pc);
4720 r1 = (insn >> 20) & 0xf;
4721 op = (insn >> 16) & 0xf;
4722 i2 = insn & 0xffff;
4723 disas_a5(s, op, r1, i2);
4724 break;
4725 case 0xa7:
4726 insn = ld_code4(s->pc);
4727 r1 = (insn >> 20) & 0xf;
4728 op = (insn >> 16) & 0xf;
4729 i2 = (short)insn;
4730 disas_a7(s, op, r1, i2);
4731 break;
4732 case 0xa8: /* MVCLE R1,R3,D2(B2) [RS] */
4733 insn = ld_code4(s->pc);
4734 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4735 tmp = get_address(s, 0, b2, d2);
4736 tmp32_1 = tcg_const_i32(r1);
4737 tmp32_2 = tcg_const_i32(r3);
4738 potential_page_fault(s);
4739 gen_helper_mvcle(cc_op, tmp32_1, tmp, tmp32_2);
4740 set_cc_static(s);
4741 tcg_temp_free_i64(tmp);
4742 tcg_temp_free_i32(tmp32_1);
4743 tcg_temp_free_i32(tmp32_2);
4744 break;
4745 case 0xa9: /* CLCLE R1,R3,D2(B2) [RS] */
4746 insn = ld_code4(s->pc);
4747 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4748 tmp = get_address(s, 0, b2, d2);
4749 tmp32_1 = tcg_const_i32(r1);
4750 tmp32_2 = tcg_const_i32(r3);
4751 potential_page_fault(s);
4752 gen_helper_clcle(cc_op, tmp32_1, tmp, tmp32_2);
4753 set_cc_static(s);
4754 tcg_temp_free_i64(tmp);
4755 tcg_temp_free_i32(tmp32_1);
4756 tcg_temp_free_i32(tmp32_2);
4757 break;
4758 #ifndef CONFIG_USER_ONLY
4759 case 0xac: /* STNSM D1(B1),I2 [SI] */
4760 case 0xad: /* STOSM D1(B1),I2 [SI] */
4761 check_privileged(s, ilc);
4762 insn = ld_code4(s->pc);
4763 tmp = decode_si(s, insn, &i2, &b1, &d1);
4764 tmp2 = tcg_temp_new_i64();
4765 tcg_gen_shri_i64(tmp2, psw_mask, 56);
4766 tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
4767 if (opc == 0xac) {
4768 tcg_gen_andi_i64(psw_mask, psw_mask,
4769 ((uint64_t)i2 << 56) | 0x00ffffffffffffffULL);
4770 } else {
4771 tcg_gen_ori_i64(psw_mask, psw_mask, (uint64_t)i2 << 56);
4772 }
4773 tcg_temp_free_i64(tmp);
4774 tcg_temp_free_i64(tmp2);
4775 break;
4776 case 0xae: /* SIGP R1,R3,D2(B2) [RS] */
4777 check_privileged(s, ilc);
4778 insn = ld_code4(s->pc);
4779 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4780 tmp = get_address(s, 0, b2, d2);
4781 tmp2 = load_reg(r3);
4782 tmp32_1 = tcg_const_i32(r1);
4783 potential_page_fault(s);
4784 gen_helper_sigp(cc_op, tmp, tmp32_1, tmp2);
4785 set_cc_static(s);
4786 tcg_temp_free_i64(tmp);
4787 tcg_temp_free_i64(tmp2);
4788 tcg_temp_free_i32(tmp32_1);
4789 break;
4790 case 0xb1: /* LRA R1,D2(X2, B2) [RX] */
4791 check_privileged(s, ilc);
4792 insn = ld_code4(s->pc);
4793 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4794 tmp32_1 = tcg_const_i32(r1);
4795 potential_page_fault(s);
4796 gen_helper_lra(cc_op, tmp, tmp32_1);
4797 set_cc_static(s);
4798 tcg_temp_free_i64(tmp);
4799 tcg_temp_free_i32(tmp32_1);
4800 break;
4801 #endif
4802 case 0xb2:
4803 insn = ld_code4(s->pc);
4804 op = (insn >> 16) & 0xff;
4805 switch (op) {
4806 case 0x9c: /* STFPC D2(B2) [S] */
4807 d2 = insn & 0xfff;
4808 b2 = (insn >> 12) & 0xf;
4809 tmp32_1 = tcg_temp_new_i32();
4810 tmp = tcg_temp_new_i64();
4811 tmp2 = get_address(s, 0, b2, d2);
4812 tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUState, fpc));
4813 tcg_gen_extu_i32_i64(tmp, tmp32_1);
4814 tcg_gen_qemu_st32(tmp, tmp2, get_mem_index(s));
4815 tcg_temp_free_i32(tmp32_1);
4816 tcg_temp_free_i64(tmp);
4817 tcg_temp_free_i64(tmp2);
4818 break;
4819 default:
4820 disas_b2(s, op, insn);
4821 break;
4822 }
4823 break;
4824 case 0xb3:
4825 insn = ld_code4(s->pc);
4826 op = (insn >> 16) & 0xff;
4827 r3 = (insn >> 12) & 0xf; /* aka m3 */
4828 r1 = (insn >> 4) & 0xf;
4829 r2 = insn & 0xf;
4830 disas_b3(s, op, r3, r1, r2);
4831 break;
4832 #ifndef CONFIG_USER_ONLY
4833 case 0xb6: /* STCTL R1,R3,D2(B2) [RS] */
4834 /* Store Control */
4835 check_privileged(s, ilc);
4836 insn = ld_code4(s->pc);
4837 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4838 tmp = get_address(s, 0, b2, d2);
4839 tmp32_1 = tcg_const_i32(r1);
4840 tmp32_2 = tcg_const_i32(r3);
4841 potential_page_fault(s);
4842 gen_helper_stctl(tmp32_1, tmp, tmp32_2);
4843 tcg_temp_free_i64(tmp);
4844 tcg_temp_free_i32(tmp32_1);
4845 tcg_temp_free_i32(tmp32_2);
4846 break;
4847 case 0xb7: /* LCTL R1,R3,D2(B2) [RS] */
4848 /* Load Control */
4849 check_privileged(s, ilc);
4850 insn = ld_code4(s->pc);
4851 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4852 tmp = get_address(s, 0, b2, d2);
4853 tmp32_1 = tcg_const_i32(r1);
4854 tmp32_2 = tcg_const_i32(r3);
4855 potential_page_fault(s);
4856 gen_helper_lctl(tmp32_1, tmp, tmp32_2);
4857 tcg_temp_free_i64(tmp);
4858 tcg_temp_free_i32(tmp32_1);
4859 tcg_temp_free_i32(tmp32_2);
4860 break;
4861 #endif
4862 case 0xb9:
4863 insn = ld_code4(s->pc);
4864 r1 = (insn >> 4) & 0xf;
4865 r2 = insn & 0xf;
4866 op = (insn >> 16) & 0xff;
4867 disas_b9(s, op, r1, r2);
4868 break;
4869 case 0xba: /* CS R1,R3,D2(B2) [RS] */
4870 insn = ld_code4(s->pc);
4871 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4872 tmp = get_address(s, 0, b2, d2);
4873 tmp32_1 = tcg_const_i32(r1);
4874 tmp32_2 = tcg_const_i32(r3);
4875 potential_page_fault(s);
4876 gen_helper_cs(cc_op, tmp32_1, tmp, tmp32_2);
4877 set_cc_static(s);
4878 tcg_temp_free_i64(tmp);
4879 tcg_temp_free_i32(tmp32_1);
4880 tcg_temp_free_i32(tmp32_2);
4881 break;
4882 case 0xbd: /* CLM R1,M3,D2(B2) [RS] */
4883 insn = ld_code4(s->pc);
4884 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4885 tmp = get_address(s, 0, b2, d2);
4886 tmp32_1 = load_reg32(r1);
4887 tmp32_2 = tcg_const_i32(r3);
4888 potential_page_fault(s);
4889 gen_helper_clm(cc_op, tmp32_1, tmp32_2, tmp);
4890 set_cc_static(s);
4891 tcg_temp_free_i64(tmp);
4892 tcg_temp_free_i32(tmp32_1);
4893 tcg_temp_free_i32(tmp32_2);
4894 break;
4895 case 0xbe: /* STCM R1,M3,D2(B2) [RS] */
4896 insn = ld_code4(s->pc);
4897 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4898 tmp = get_address(s, 0, b2, d2);
4899 tmp32_1 = load_reg32(r1);
4900 tmp32_2 = tcg_const_i32(r3);
4901 potential_page_fault(s);
4902 gen_helper_stcm(tmp32_1, tmp32_2, tmp);
4903 tcg_temp_free_i64(tmp);
4904 tcg_temp_free_i32(tmp32_1);
4905 tcg_temp_free_i32(tmp32_2);
4906 break;
4907 case 0xbf: /* ICM R1,M3,D2(B2) [RS] */
4908 insn = ld_code4(s->pc);
4909 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4910 if (r3 == 15) {
4911 /* effectively a 32-bit load */
4912 tmp = get_address(s, 0, b2, d2);
4913 tmp32_1 = tcg_temp_new_i32();
4914 tmp32_2 = tcg_const_i32(r3);
4915 tcg_gen_qemu_ld32u(tmp, tmp, get_mem_index(s));
4916 store_reg32_i64(r1, tmp);
4917 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
4918 set_cc_icm(s, tmp32_2, tmp32_1);
4919 tcg_temp_free_i64(tmp);
4920 tcg_temp_free_i32(tmp32_1);
4921 tcg_temp_free_i32(tmp32_2);
4922 } else if (r3) {
4923 uint32_t mask = 0x00ffffffUL;
4924 uint32_t shift = 24;
4925 int m3 = r3;
4926 tmp = get_address(s, 0, b2, d2);
4927 tmp2 = tcg_temp_new_i64();
4928 tmp32_1 = load_reg32(r1);
4929 tmp32_2 = tcg_temp_new_i32();
4930 tmp32_3 = tcg_const_i32(r3);
4931 tmp32_4 = tcg_const_i32(0);
4932 while (m3) {
4933 if (m3 & 8) {
4934 tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
4935 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4936 if (shift) {
4937 tcg_gen_shli_i32(tmp32_2, tmp32_2, shift);
4938 }
4939 tcg_gen_andi_i32(tmp32_1, tmp32_1, mask);
4940 tcg_gen_or_i32(tmp32_1, tmp32_1, tmp32_2);
4941 tcg_gen_or_i32(tmp32_4, tmp32_4, tmp32_2);
4942 tcg_gen_addi_i64(tmp, tmp, 1);
4943 }
4944 m3 = (m3 << 1) & 0xf;
4945 mask = (mask >> 8) | 0xff000000UL;
4946 shift -= 8;
4947 }
4948 store_reg32(r1, tmp32_1);
4949 set_cc_icm(s, tmp32_3, tmp32_4);
4950 tcg_temp_free_i64(tmp);
4951 tcg_temp_free_i64(tmp2);
4952 tcg_temp_free_i32(tmp32_1);
4953 tcg_temp_free_i32(tmp32_2);
4954 tcg_temp_free_i32(tmp32_3);
4955 tcg_temp_free_i32(tmp32_4);
4956 } else {
4957 /* i.e. env->cc = 0 */
4958 gen_op_movi_cc(s, 0);
4959 }
4960 break;
4961 case 0xc0:
4962 case 0xc2:
4963 insn = ld_code6(s->pc);
4964 r1 = (insn >> 36) & 0xf;
4965 op = (insn >> 32) & 0xf;
4966 i2 = (int)insn;
4967 switch (opc) {
4968 case 0xc0:
4969 disas_c0(s, op, r1, i2);
4970 break;
4971 case 0xc2:
4972 disas_c2(s, op, r1, i2);
4973 break;
4974 default:
4975 tcg_abort();
4976 }
4977 break;
4978 case 0xd2: /* MVC D1(L,B1),D2(B2) [SS] */
4979 case 0xd4: /* NC D1(L,B1),D2(B2) [SS] */
4980 case 0xd5: /* CLC D1(L,B1),D2(B2) [SS] */
4981 case 0xd6: /* OC D1(L,B1),D2(B2) [SS] */
4982 case 0xd7: /* XC D1(L,B1),D2(B2) [SS] */
4983 case 0xdc: /* TR D1(L,B1),D2(B2) [SS] */
4984 case 0xf3: /* UNPK D1(L1,B1),D2(L2,B2) [SS] */
4985 insn = ld_code6(s->pc);
4986 vl = tcg_const_i32((insn >> 32) & 0xff);
4987 b1 = (insn >> 28) & 0xf;
4988 b2 = (insn >> 12) & 0xf;
4989 d1 = (insn >> 16) & 0xfff;
4990 d2 = insn & 0xfff;
4991 tmp = get_address(s, 0, b1, d1);
4992 tmp2 = get_address(s, 0, b2, d2);
4993 switch (opc) {
4994 case 0xd2:
4995 gen_op_mvc(s, (insn >> 32) & 0xff, tmp, tmp2);
4996 break;
4997 case 0xd4:
4998 potential_page_fault(s);
4999 gen_helper_nc(cc_op, vl, tmp, tmp2);
5000 set_cc_static(s);
5001 break;
5002 case 0xd5:
5003 gen_op_clc(s, (insn >> 32) & 0xff, tmp, tmp2);
5004 break;
5005 case 0xd6:
5006 potential_page_fault(s);
5007 gen_helper_oc(cc_op, vl, tmp, tmp2);
5008 set_cc_static(s);
5009 break;
5010 case 0xd7:
5011 potential_page_fault(s);
5012 gen_helper_xc(cc_op, vl, tmp, tmp2);
5013 set_cc_static(s);
5014 break;
5015 case 0xdc:
5016 potential_page_fault(s);
5017 gen_helper_tr(vl, tmp, tmp2);
5018 set_cc_static(s);
5019 break;
5020 case 0xf3:
5021 potential_page_fault(s);
5022 gen_helper_unpk(vl, tmp, tmp2);
5023 break;
5024 default:
5025 tcg_abort();
5026 }
5027 tcg_temp_free_i64(tmp);
5028 tcg_temp_free_i64(tmp2);
5029 break;
5030 #ifndef CONFIG_USER_ONLY
5031 case 0xda: /* MVCP D1(R1,B1),D2(B2),R3 [SS] */
5032 case 0xdb: /* MVCS D1(R1,B1),D2(B2),R3 [SS] */
5033 check_privileged(s, ilc);
5034 potential_page_fault(s);
5035 insn = ld_code6(s->pc);
5036 r1 = (insn >> 36) & 0xf;
5037 r3 = (insn >> 32) & 0xf;
5038 b1 = (insn >> 28) & 0xf;
5039 d1 = (insn >> 16) & 0xfff;
5040 b2 = (insn >> 12) & 0xf;
5041 d2 = insn & 0xfff;
5042 tmp = load_reg(r1);
5043 /* XXX key in r3 */
5044 tmp2 = get_address(s, 0, b1, d1);
5045 tmp3 = get_address(s, 0, b2, d2);
5046 if (opc == 0xda) {
5047 gen_helper_mvcp(cc_op, tmp, tmp2, tmp3);
5048 } else {
5049 gen_helper_mvcs(cc_op, tmp, tmp2, tmp3);
5050 }
5051 set_cc_static(s);
5052 tcg_temp_free_i64(tmp);
5053 tcg_temp_free_i64(tmp2);
5054 tcg_temp_free_i64(tmp3);
5055 break;
5056 #endif
5057 case 0xe3:
5058 insn = ld_code6(s->pc);
5059 debug_insn(insn);
5060 op = insn & 0xff;
5061 r1 = (insn >> 36) & 0xf;
5062 x2 = (insn >> 32) & 0xf;
5063 b2 = (insn >> 28) & 0xf;
5064 d2 = ((int)((((insn >> 16) & 0xfff)
5065 | ((insn << 4) & 0xff000)) << 12)) >> 12;
5066 disas_e3(s, op, r1, x2, b2, d2 );
5067 break;
5068 #ifndef CONFIG_USER_ONLY
5069 case 0xe5:
5070 /* Test Protection */
5071 check_privileged(s, ilc);
5072 insn = ld_code6(s->pc);
5073 debug_insn(insn);
5074 disas_e5(s, insn);
5075 break;
5076 #endif
5077 case 0xeb:
5078 insn = ld_code6(s->pc);
5079 debug_insn(insn);
5080 op = insn & 0xff;
5081 r1 = (insn >> 36) & 0xf;
5082 r3 = (insn >> 32) & 0xf;
5083 b2 = (insn >> 28) & 0xf;
5084 d2 = ((int)((((insn >> 16) & 0xfff)
5085 | ((insn << 4) & 0xff000)) << 12)) >> 12;
5086 disas_eb(s, op, r1, r3, b2, d2);
5087 break;
5088 case 0xed:
5089 insn = ld_code6(s->pc);
5090 debug_insn(insn);
5091 op = insn & 0xff;
5092 r1 = (insn >> 36) & 0xf;
5093 x2 = (insn >> 32) & 0xf;
5094 b2 = (insn >> 28) & 0xf;
5095 d2 = (short)((insn >> 16) & 0xfff);
5096 r1b = (insn >> 12) & 0xf;
5097 disas_ed(s, op, r1, x2, b2, d2, r1b);
5098 break;
5099 default:
5100 LOG_DISAS("unimplemented opcode 0x%x\n", opc);
5101 gen_illegal_opcode(s, ilc);
5102 break;
5103 }
5104
5105 /* Instruction length is encoded in the opcode */
5106 s->pc += (ilc * 2);
5107 }
5108
5109 static inline void gen_intermediate_code_internal(CPUState *env,
5110 TranslationBlock *tb,
5111 int search_pc)
5112 {
5113 DisasContext dc;
5114 target_ulong pc_start;
5115 uint64_t next_page_start;
5116 uint16_t *gen_opc_end;
5117 int j, lj = -1;
5118 int num_insns, max_insns;
5119 CPUBreakpoint *bp;
5120
5121 pc_start = tb->pc;
5122
5123 /* 31-bit mode */
5124 if (!(tb->flags & FLAG_MASK_64)) {
5125 pc_start &= 0x7fffffff;
5126 }
5127
5128 dc.pc = pc_start;
5129 dc.is_jmp = DISAS_NEXT;
5130 dc.tb = tb;
5131 dc.cc_op = CC_OP_DYNAMIC;
5132
5133 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
5134
5135 next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
5136
5137 num_insns = 0;
5138 max_insns = tb->cflags & CF_COUNT_MASK;
5139 if (max_insns == 0) {
5140 max_insns = CF_COUNT_MASK;
5141 }
5142
5143 gen_icount_start();
5144
5145 do {
5146 if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
5147 QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
5148 if (bp->pc == dc.pc) {
5149 gen_debug(&dc);
5150 break;
5151 }
5152 }
5153 }
5154 if (search_pc) {
5155 j = gen_opc_ptr - gen_opc_buf;
5156 if (lj < j) {
5157 lj++;
5158 while (lj < j) {
5159 gen_opc_instr_start[lj++] = 0;
5160 }
5161 }
5162 gen_opc_pc[lj] = dc.pc;
5163 gen_opc_cc_op[lj] = dc.cc_op;
5164 gen_opc_instr_start[lj] = 1;
5165 gen_opc_icount[lj] = num_insns;
5166 }
5167 if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) {
5168 gen_io_start();
5169 }
5170 #if defined(S390X_DEBUG_DISAS_VERBOSE)
5171 LOG_DISAS("pc " TARGET_FMT_lx "\n",
5172 dc.pc);
5173 #endif
5174 disas_s390_insn(&dc);
5175
5176 num_insns++;
5177 if (env->singlestep_enabled) {
5178 gen_debug(&dc);
5179 }
5180 } while (!dc.is_jmp && gen_opc_ptr < gen_opc_end && dc.pc < next_page_start
5181 && num_insns < max_insns && !env->singlestep_enabled
5182 && !singlestep);
5183
5184 if (!dc.is_jmp) {
5185 update_psw_addr(&dc);
5186 }
5187
5188 if (singlestep && dc.cc_op != CC_OP_DYNAMIC) {
5189 gen_op_calc_cc(&dc);
5190 } else {
5191 /* next TB starts off with CC_OP_DYNAMIC, so make sure the cc op type
5192 is in env */
5193 gen_op_set_cc_op(&dc);
5194 }
5195
5196 if (tb->cflags & CF_LAST_IO) {
5197 gen_io_end();
5198 }
5199 /* Generate the return instruction */
5200 if (dc.is_jmp != DISAS_TB_JUMP) {
5201 tcg_gen_exit_tb(0);
5202 }
5203 gen_icount_end(tb, num_insns);
5204 *gen_opc_ptr = INDEX_op_end;
5205 if (search_pc) {
5206 j = gen_opc_ptr - gen_opc_buf;
5207 lj++;
5208 while (lj <= j) {
5209 gen_opc_instr_start[lj++] = 0;
5210 }
5211 } else {
5212 tb->size = dc.pc - pc_start;
5213 tb->icount = num_insns;
5214 }
5215 #if defined(S390X_DEBUG_DISAS)
5216 log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
5217 if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
5218 qemu_log("IN: %s\n", lookup_symbol(pc_start));
5219 log_target_disas(pc_start, dc.pc - pc_start, 1);
5220 qemu_log("\n");
5221 }
5222 #endif
5223 }
5224
5225 void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
5226 {
5227 gen_intermediate_code_internal(env, tb, 0);
5228 }
5229
5230 void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
5231 {
5232 gen_intermediate_code_internal(env, tb, 1);
5233 }
5234
5235 void restore_state_to_opc(CPUState *env, TranslationBlock *tb, int pc_pos)
5236 {
5237 int cc_op;
5238 env->psw.addr = gen_opc_pc[pc_pos];
5239 cc_op = gen_opc_cc_op[pc_pos];
5240 if ((cc_op != CC_OP_DYNAMIC) && (cc_op != CC_OP_STATIC)) {
5241 env->cc_op = cc_op;
5242 }
5243 }
AR7 emulation for QEMU