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i8259: Update IRQ state after reset
[qemu/ar7.git] / target-s390x / translate.c
blob6a22fded577de2ffd3870c9ab03a629b1e04c4a3
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 "disas.h"
39 #include "tcg-op.h"
40 #include "qemu-log.h"
41
42 /* global register indexes */
43 static TCGv_ptr cpu_env;
44
45 #include "gen-icount.h"
46 #include "helpers.h"
47 #define GEN_HELPER 1
48 #include "helpers.h"
49
50 typedef struct DisasContext DisasContext;
51 struct DisasContext {
52 uint64_t pc;
53 int is_jmp;
54 enum cc_op cc_op;
55 struct TranslationBlock *tb;
56 };
57
58 #define DISAS_EXCP 4
59
60 static void gen_op_calc_cc(DisasContext *s);
61
62 #ifdef DEBUG_INLINE_BRANCHES
63 static uint64_t inline_branch_hit[CC_OP_MAX];
64 static uint64_t inline_branch_miss[CC_OP_MAX];
65 #endif
66
67 static inline void debug_insn(uint64_t insn)
68 {
69 LOG_DISAS("insn: 0x%" PRIx64 "\n", insn);
70 }
71
72 static inline uint64_t pc_to_link_info(DisasContext *s, uint64_t pc)
73 {
74 if (!(s->tb->flags & FLAG_MASK_64)) {
75 if (s->tb->flags & FLAG_MASK_32) {
76 return pc | 0x80000000;
77 }
78 }
79 return pc;
80 }
81
82 void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
83 int flags)
84 {
85 int i;
86
87 for (i = 0; i < 16; i++) {
88 cpu_fprintf(f, "R%02d=%016" PRIx64, i, env->regs[i]);
89 if ((i % 4) == 3) {
90 cpu_fprintf(f, "\n");
91 } else {
92 cpu_fprintf(f, " ");
93 }
94 }
95
96 for (i = 0; i < 16; i++) {
97 cpu_fprintf(f, "F%02d=%016" PRIx64, i, *(uint64_t *)&env->fregs[i]);
98 if ((i % 4) == 3) {
99 cpu_fprintf(f, "\n");
100 } else {
101 cpu_fprintf(f, " ");
102 }
103 }
104
105 cpu_fprintf(f, "\n");
106
107 #ifndef CONFIG_USER_ONLY
108 for (i = 0; i < 16; i++) {
109 cpu_fprintf(f, "C%02d=%016" PRIx64, i, env->cregs[i]);
110 if ((i % 4) == 3) {
111 cpu_fprintf(f, "\n");
112 } else {
113 cpu_fprintf(f, " ");
114 }
115 }
116 #endif
117
118 cpu_fprintf(f, "\n");
119
120 if (env->cc_op > 3) {
121 cpu_fprintf(f, "PSW=mask %016" PRIx64 " addr %016" PRIx64 " cc %15s\n",
122 env->psw.mask, env->psw.addr, cc_name(env->cc_op));
123 } else {
124 cpu_fprintf(f, "PSW=mask %016" PRIx64 " addr %016" PRIx64 " cc %02x\n",
125 env->psw.mask, env->psw.addr, env->cc_op);
126 }
127
128 #ifdef DEBUG_INLINE_BRANCHES
129 for (i = 0; i < CC_OP_MAX; i++) {
130 cpu_fprintf(f, " %15s = %10ld\t%10ld\n", cc_name(i),
131 inline_branch_miss[i], inline_branch_hit[i]);
132 }
133 #endif
134 }
135
136 static TCGv_i64 psw_addr;
137 static TCGv_i64 psw_mask;
138
139 static TCGv_i32 cc_op;
140 static TCGv_i64 cc_src;
141 static TCGv_i64 cc_dst;
142 static TCGv_i64 cc_vr;
143
144 static char cpu_reg_names[10*3 + 6*4];
145 static TCGv_i64 regs[16];
146
147 static uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
148
149 void s390x_translate_init(void)
150 {
151 int i;
152 size_t cpu_reg_names_size = sizeof(cpu_reg_names);
153 char *p;
154
155 cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
156 psw_addr = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, psw.addr),
157 "psw_addr");
158 psw_mask = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, psw.mask),
159 "psw_mask");
160
161 cc_op = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUState, cc_op),
162 "cc_op");
163 cc_src = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, cc_src),
164 "cc_src");
165 cc_dst = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, cc_dst),
166 "cc_dst");
167 cc_vr = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, cc_vr),
168 "cc_vr");
169
170 p = cpu_reg_names;
171 for (i = 0; i < 16; i++) {
172 snprintf(p, cpu_reg_names_size, "r%d", i);
173 regs[i] = tcg_global_mem_new(TCG_AREG0,
174 offsetof(CPUState, regs[i]), p);
175 p += (i < 10) ? 3 : 4;
176 cpu_reg_names_size -= (i < 10) ? 3 : 4;
177 }
178 }
179
180 static inline TCGv_i64 load_reg(int reg)
181 {
182 TCGv_i64 r = tcg_temp_new_i64();
183 tcg_gen_mov_i64(r, regs[reg]);
184 return r;
185 }
186
187 static inline TCGv_i64 load_freg(int reg)
188 {
189 TCGv_i64 r = tcg_temp_new_i64();
190 tcg_gen_ld_i64(r, cpu_env, offsetof(CPUState, fregs[reg].d));
191 return r;
192 }
193
194 static inline TCGv_i32 load_freg32(int reg)
195 {
196 TCGv_i32 r = tcg_temp_new_i32();
197 tcg_gen_ld_i32(r, cpu_env, offsetof(CPUState, fregs[reg].l.upper));
198 return r;
199 }
200
201 static inline TCGv_i32 load_reg32(int reg)
202 {
203 TCGv_i32 r = tcg_temp_new_i32();
204 tcg_gen_trunc_i64_i32(r, regs[reg]);
205 return r;
206 }
207
208 static inline TCGv_i64 load_reg32_i64(int reg)
209 {
210 TCGv_i64 r = tcg_temp_new_i64();
211 tcg_gen_ext32s_i64(r, regs[reg]);
212 return r;
213 }
214
215 static inline void store_reg(int reg, TCGv_i64 v)
216 {
217 tcg_gen_mov_i64(regs[reg], v);
218 }
219
220 static inline void store_freg(int reg, TCGv_i64 v)
221 {
222 tcg_gen_st_i64(v, cpu_env, offsetof(CPUState, fregs[reg].d));
223 }
224
225 static inline void store_reg32(int reg, TCGv_i32 v)
226 {
227 #if HOST_LONG_BITS == 32
228 tcg_gen_mov_i32(TCGV_LOW(regs[reg]), v);
229 #else
230 TCGv_i64 tmp = tcg_temp_new_i64();
231 tcg_gen_extu_i32_i64(tmp, v);
232 /* 32 bit register writes keep the upper half */
233 tcg_gen_deposit_i64(regs[reg], regs[reg], tmp, 0, 32);
234 tcg_temp_free_i64(tmp);
235 #endif
236 }
237
238 static inline void store_reg32_i64(int reg, TCGv_i64 v)
239 {
240 /* 32 bit register writes keep the upper half */
241 #if HOST_LONG_BITS == 32
242 tcg_gen_mov_i32(TCGV_LOW(regs[reg]), TCGV_LOW(v));
243 #else
244 tcg_gen_deposit_i64(regs[reg], regs[reg], v, 0, 32);
245 #endif
246 }
247
248 static inline void store_reg16(int reg, TCGv_i32 v)
249 {
250 TCGv_i64 tmp = tcg_temp_new_i64();
251 tcg_gen_extu_i32_i64(tmp, v);
252 /* 16 bit register writes keep the upper bytes */
253 tcg_gen_deposit_i64(regs[reg], regs[reg], tmp, 0, 16);
254 tcg_temp_free_i64(tmp);
255 }
256
257 static inline void store_reg8(int reg, TCGv_i64 v)
258 {
259 /* 8 bit register writes keep the upper bytes */
260 tcg_gen_deposit_i64(regs[reg], regs[reg], v, 0, 8);
261 }
262
263 static inline void store_freg32(int reg, TCGv_i32 v)
264 {
265 tcg_gen_st_i32(v, cpu_env, offsetof(CPUState, fregs[reg].l.upper));
266 }
267
268 static inline void update_psw_addr(DisasContext *s)
269 {
270 /* psw.addr */
271 tcg_gen_movi_i64(psw_addr, s->pc);
272 }
273
274 static inline void potential_page_fault(DisasContext *s)
275 {
276 #ifndef CONFIG_USER_ONLY
277 update_psw_addr(s);
278 gen_op_calc_cc(s);
279 #endif
280 }
281
282 static inline uint64_t ld_code2(uint64_t pc)
283 {
284 return (uint64_t)lduw_code(pc);
285 }
286
287 static inline uint64_t ld_code4(uint64_t pc)
288 {
289 return (uint64_t)ldl_code(pc);
290 }
291
292 static inline uint64_t ld_code6(uint64_t pc)
293 {
294 uint64_t opc;
295 opc = (uint64_t)lduw_code(pc) << 32;
296 opc |= (uint64_t)(uint32_t)ldl_code(pc+2);
297 return opc;
298 }
299
300 static inline int get_mem_index(DisasContext *s)
301 {
302 switch (s->tb->flags & FLAG_MASK_ASC) {
303 case PSW_ASC_PRIMARY >> 32:
304 return 0;
305 case PSW_ASC_SECONDARY >> 32:
306 return 1;
307 case PSW_ASC_HOME >> 32:
308 return 2;
309 default:
310 tcg_abort();
311 break;
312 }
313 }
314
315 static inline void gen_debug(DisasContext *s)
316 {
317 TCGv_i32 tmp = tcg_const_i32(EXCP_DEBUG);
318 update_psw_addr(s);
319 gen_op_calc_cc(s);
320 gen_helper_exception(tmp);
321 tcg_temp_free_i32(tmp);
322 s->is_jmp = DISAS_EXCP;
323 }
324
325 #ifdef CONFIG_USER_ONLY
326
327 static void gen_illegal_opcode(DisasContext *s, int ilc)
328 {
329 TCGv_i32 tmp = tcg_const_i32(EXCP_SPEC);
330 update_psw_addr(s);
331 gen_op_calc_cc(s);
332 gen_helper_exception(tmp);
333 tcg_temp_free_i32(tmp);
334 s->is_jmp = DISAS_EXCP;
335 }
336
337 #else /* CONFIG_USER_ONLY */
338
339 static void debug_print_inst(DisasContext *s, int ilc)
340 {
341 #ifdef DEBUG_ILLEGAL_INSTRUCTIONS
342 uint64_t inst = 0;
343
344 switch (ilc & 3) {
345 case 1:
346 inst = ld_code2(s->pc);
347 break;
348 case 2:
349 inst = ld_code4(s->pc);
350 break;
351 case 3:
352 inst = ld_code6(s->pc);
353 break;
354 }
355
356 fprintf(stderr, "Illegal instruction [%d at %016" PRIx64 "]: 0x%016"
357 PRIx64 "\n", ilc, s->pc, inst);
358 #endif
359 }
360
361 static void gen_program_exception(DisasContext *s, int ilc, int code)
362 {
363 TCGv_i32 tmp;
364
365 debug_print_inst(s, ilc);
366
367 /* remember what pgm exeption this was */
368 tmp = tcg_const_i32(code);
369 tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUState, int_pgm_code));
370 tcg_temp_free_i32(tmp);
371
372 tmp = tcg_const_i32(ilc);
373 tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUState, int_pgm_ilc));
374 tcg_temp_free_i32(tmp);
375
376 /* advance past instruction */
377 s->pc += (ilc * 2);
378 update_psw_addr(s);
379
380 /* save off cc */
381 gen_op_calc_cc(s);
382
383 /* trigger exception */
384 tmp = tcg_const_i32(EXCP_PGM);
385 gen_helper_exception(tmp);
386 tcg_temp_free_i32(tmp);
387
388 /* end TB here */
389 s->is_jmp = DISAS_EXCP;
390 }
391
392
393 static void gen_illegal_opcode(DisasContext *s, int ilc)
394 {
395 gen_program_exception(s, ilc, PGM_SPECIFICATION);
396 }
397
398 static void gen_privileged_exception(DisasContext *s, int ilc)
399 {
400 gen_program_exception(s, ilc, PGM_PRIVILEGED);
401 }
402
403 static void check_privileged(DisasContext *s, int ilc)
404 {
405 if (s->tb->flags & (PSW_MASK_PSTATE >> 32)) {
406 gen_privileged_exception(s, ilc);
407 }
408 }
409
410 #endif /* CONFIG_USER_ONLY */
411
412 static TCGv_i64 get_address(DisasContext *s, int x2, int b2, int d2)
413 {
414 TCGv_i64 tmp;
415
416 /* 31-bitify the immediate part; register contents are dealt with below */
417 if (!(s->tb->flags & FLAG_MASK_64)) {
418 d2 &= 0x7fffffffUL;
419 }
420
421 if (x2) {
422 if (d2) {
423 tmp = tcg_const_i64(d2);
424 tcg_gen_add_i64(tmp, tmp, regs[x2]);
425 } else {
426 tmp = load_reg(x2);
427 }
428 if (b2) {
429 tcg_gen_add_i64(tmp, tmp, regs[b2]);
430 }
431 } else if (b2) {
432 if (d2) {
433 tmp = tcg_const_i64(d2);
434 tcg_gen_add_i64(tmp, tmp, regs[b2]);
435 } else {
436 tmp = load_reg(b2);
437 }
438 } else {
439 tmp = tcg_const_i64(d2);
440 }
441
442 /* 31-bit mode mask if there are values loaded from registers */
443 if (!(s->tb->flags & FLAG_MASK_64) && (x2 || b2)) {
444 tcg_gen_andi_i64(tmp, tmp, 0x7fffffffUL);
445 }
446
447 return tmp;
448 }
449
450 static void gen_op_movi_cc(DisasContext *s, uint32_t val)
451 {
452 s->cc_op = CC_OP_CONST0 + val;
453 }
454
455 static void gen_op_update1_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 dst)
456 {
457 tcg_gen_discard_i64(cc_src);
458 tcg_gen_mov_i64(cc_dst, dst);
459 tcg_gen_discard_i64(cc_vr);
460 s->cc_op = op;
461 }
462
463 static void gen_op_update1_cc_i32(DisasContext *s, enum cc_op op, TCGv_i32 dst)
464 {
465 tcg_gen_discard_i64(cc_src);
466 tcg_gen_extu_i32_i64(cc_dst, dst);
467 tcg_gen_discard_i64(cc_vr);
468 s->cc_op = op;
469 }
470
471 static void gen_op_update2_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 src,
472 TCGv_i64 dst)
473 {
474 tcg_gen_mov_i64(cc_src, src);
475 tcg_gen_mov_i64(cc_dst, dst);
476 tcg_gen_discard_i64(cc_vr);
477 s->cc_op = op;
478 }
479
480 static void gen_op_update2_cc_i32(DisasContext *s, enum cc_op op, TCGv_i32 src,
481 TCGv_i32 dst)
482 {
483 tcg_gen_extu_i32_i64(cc_src, src);
484 tcg_gen_extu_i32_i64(cc_dst, dst);
485 tcg_gen_discard_i64(cc_vr);
486 s->cc_op = op;
487 }
488
489 static void gen_op_update3_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 src,
490 TCGv_i64 dst, TCGv_i64 vr)
491 {
492 tcg_gen_mov_i64(cc_src, src);
493 tcg_gen_mov_i64(cc_dst, dst);
494 tcg_gen_mov_i64(cc_vr, vr);
495 s->cc_op = op;
496 }
497
498 static void gen_op_update3_cc_i32(DisasContext *s, enum cc_op op, TCGv_i32 src,
499 TCGv_i32 dst, TCGv_i32 vr)
500 {
501 tcg_gen_extu_i32_i64(cc_src, src);
502 tcg_gen_extu_i32_i64(cc_dst, dst);
503 tcg_gen_extu_i32_i64(cc_vr, vr);
504 s->cc_op = op;
505 }
506
507 static inline void set_cc_nz_u32(DisasContext *s, TCGv_i32 val)
508 {
509 gen_op_update1_cc_i32(s, CC_OP_NZ, val);
510 }
511
512 static inline void set_cc_nz_u64(DisasContext *s, TCGv_i64 val)
513 {
514 gen_op_update1_cc_i64(s, CC_OP_NZ, val);
515 }
516
517 static inline void cmp_32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2,
518 enum cc_op cond)
519 {
520 gen_op_update2_cc_i32(s, cond, v1, v2);
521 }
522
523 static inline void cmp_64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2,
524 enum cc_op cond)
525 {
526 gen_op_update2_cc_i64(s, cond, v1, v2);
527 }
528
529 static inline void cmp_s32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2)
530 {
531 cmp_32(s, v1, v2, CC_OP_LTGT_32);
532 }
533
534 static inline void cmp_u32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2)
535 {
536 cmp_32(s, v1, v2, CC_OP_LTUGTU_32);
537 }
538
539 static inline void cmp_s32c(DisasContext *s, TCGv_i32 v1, int32_t v2)
540 {
541 /* XXX optimize for the constant? put it in s? */
542 TCGv_i32 tmp = tcg_const_i32(v2);
543 cmp_32(s, v1, tmp, CC_OP_LTGT_32);
544 tcg_temp_free_i32(tmp);
545 }
546
547 static inline void cmp_u32c(DisasContext *s, TCGv_i32 v1, uint32_t v2)
548 {
549 TCGv_i32 tmp = tcg_const_i32(v2);
550 cmp_32(s, v1, tmp, CC_OP_LTUGTU_32);
551 tcg_temp_free_i32(tmp);
552 }
553
554 static inline void cmp_s64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2)
555 {
556 cmp_64(s, v1, v2, CC_OP_LTGT_64);
557 }
558
559 static inline void cmp_u64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2)
560 {
561 cmp_64(s, v1, v2, CC_OP_LTUGTU_64);
562 }
563
564 static inline void cmp_s64c(DisasContext *s, TCGv_i64 v1, int64_t v2)
565 {
566 TCGv_i64 tmp = tcg_const_i64(v2);
567 cmp_s64(s, v1, tmp);
568 tcg_temp_free_i64(tmp);
569 }
570
571 static inline void cmp_u64c(DisasContext *s, TCGv_i64 v1, uint64_t v2)
572 {
573 TCGv_i64 tmp = tcg_const_i64(v2);
574 cmp_u64(s, v1, tmp);
575 tcg_temp_free_i64(tmp);
576 }
577
578 static inline void set_cc_s32(DisasContext *s, TCGv_i32 val)
579 {
580 gen_op_update1_cc_i32(s, CC_OP_LTGT0_32, val);
581 }
582
583 static inline void set_cc_s64(DisasContext *s, TCGv_i64 val)
584 {
585 gen_op_update1_cc_i64(s, CC_OP_LTGT0_64, val);
586 }
587
588 static void set_cc_add64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2, TCGv_i64 vr)
589 {
590 gen_op_update3_cc_i64(s, CC_OP_ADD_64, v1, v2, vr);
591 }
592
593 static void set_cc_addu64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2,
594 TCGv_i64 vr)
595 {
596 gen_op_update3_cc_i64(s, CC_OP_ADDU_64, v1, v2, vr);
597 }
598
599 static void set_cc_sub64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2, TCGv_i64 vr)
600 {
601 gen_op_update3_cc_i64(s, CC_OP_SUB_64, v1, v2, vr);
602 }
603
604 static void set_cc_subu64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2,
605 TCGv_i64 vr)
606 {
607 gen_op_update3_cc_i64(s, CC_OP_SUBU_64, v1, v2, vr);
608 }
609
610 static void set_cc_abs64(DisasContext *s, TCGv_i64 v1)
611 {
612 gen_op_update1_cc_i64(s, CC_OP_ABS_64, v1);
613 }
614
615 static void set_cc_nabs64(DisasContext *s, TCGv_i64 v1)
616 {
617 gen_op_update1_cc_i64(s, CC_OP_NABS_64, v1);
618 }
619
620 static void set_cc_add32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2, TCGv_i32 vr)
621 {
622 gen_op_update3_cc_i32(s, CC_OP_ADD_32, v1, v2, vr);
623 }
624
625 static void set_cc_addu32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2,
626 TCGv_i32 vr)
627 {
628 gen_op_update3_cc_i32(s, CC_OP_ADDU_32, v1, v2, vr);
629 }
630
631 static void set_cc_sub32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2, TCGv_i32 vr)
632 {
633 gen_op_update3_cc_i32(s, CC_OP_SUB_32, v1, v2, vr);
634 }
635
636 static void set_cc_subu32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2,
637 TCGv_i32 vr)
638 {
639 gen_op_update3_cc_i32(s, CC_OP_SUBU_32, v1, v2, vr);
640 }
641
642 static void set_cc_abs32(DisasContext *s, TCGv_i32 v1)
643 {
644 gen_op_update1_cc_i32(s, CC_OP_ABS_32, v1);
645 }
646
647 static void set_cc_nabs32(DisasContext *s, TCGv_i32 v1)
648 {
649 gen_op_update1_cc_i32(s, CC_OP_NABS_32, v1);
650 }
651
652 static void set_cc_comp32(DisasContext *s, TCGv_i32 v1)
653 {
654 gen_op_update1_cc_i32(s, CC_OP_COMP_32, v1);
655 }
656
657 static void set_cc_comp64(DisasContext *s, TCGv_i64 v1)
658 {
659 gen_op_update1_cc_i64(s, CC_OP_COMP_64, v1);
660 }
661
662 static void set_cc_icm(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2)
663 {
664 gen_op_update2_cc_i32(s, CC_OP_ICM, v1, v2);
665 }
666
667 static void set_cc_cmp_f32_i64(DisasContext *s, TCGv_i32 v1, TCGv_i64 v2)
668 {
669 tcg_gen_extu_i32_i64(cc_src, v1);
670 tcg_gen_mov_i64(cc_dst, v2);
671 tcg_gen_discard_i64(cc_vr);
672 s->cc_op = CC_OP_LTGT_F32;
673 }
674
675 static void set_cc_nz_f32(DisasContext *s, TCGv_i32 v1)
676 {
677 gen_op_update1_cc_i32(s, CC_OP_NZ_F32, v1);
678 }
679
680 static inline void set_cc_nz_f64(DisasContext *s, TCGv_i64 v1)
681 {
682 gen_op_update1_cc_i64(s, CC_OP_NZ_F64, v1);
683 }
684
685 /* CC value is in env->cc_op */
686 static inline void set_cc_static(DisasContext *s)
687 {
688 tcg_gen_discard_i64(cc_src);
689 tcg_gen_discard_i64(cc_dst);
690 tcg_gen_discard_i64(cc_vr);
691 s->cc_op = CC_OP_STATIC;
692 }
693
694 static inline void gen_op_set_cc_op(DisasContext *s)
695 {
696 if (s->cc_op != CC_OP_DYNAMIC && s->cc_op != CC_OP_STATIC) {
697 tcg_gen_movi_i32(cc_op, s->cc_op);
698 }
699 }
700
701 static inline void gen_update_cc_op(DisasContext *s)
702 {
703 gen_op_set_cc_op(s);
704 }
705
706 /* calculates cc into cc_op */
707 static void gen_op_calc_cc(DisasContext *s)
708 {
709 TCGv_i32 local_cc_op = tcg_const_i32(s->cc_op);
710 TCGv_i64 dummy = tcg_const_i64(0);
711
712 switch (s->cc_op) {
713 case CC_OP_CONST0:
714 case CC_OP_CONST1:
715 case CC_OP_CONST2:
716 case CC_OP_CONST3:
717 /* s->cc_op is the cc value */
718 tcg_gen_movi_i32(cc_op, s->cc_op - CC_OP_CONST0);
719 break;
720 case CC_OP_STATIC:
721 /* env->cc_op already is the cc value */
722 break;
723 case CC_OP_NZ:
724 case CC_OP_ABS_64:
725 case CC_OP_NABS_64:
726 case CC_OP_ABS_32:
727 case CC_OP_NABS_32:
728 case CC_OP_LTGT0_32:
729 case CC_OP_LTGT0_64:
730 case CC_OP_COMP_32:
731 case CC_OP_COMP_64:
732 case CC_OP_NZ_F32:
733 case CC_OP_NZ_F64:
734 /* 1 argument */
735 gen_helper_calc_cc(cc_op, local_cc_op, dummy, cc_dst, dummy);
736 break;
737 case CC_OP_ICM:
738 case CC_OP_LTGT_32:
739 case CC_OP_LTGT_64:
740 case CC_OP_LTUGTU_32:
741 case CC_OP_LTUGTU_64:
742 case CC_OP_TM_32:
743 case CC_OP_TM_64:
744 case CC_OP_LTGT_F32:
745 case CC_OP_LTGT_F64:
746 case CC_OP_SLAG:
747 /* 2 arguments */
748 gen_helper_calc_cc(cc_op, local_cc_op, cc_src, cc_dst, dummy);
749 break;
750 case CC_OP_ADD_64:
751 case CC_OP_ADDU_64:
752 case CC_OP_SUB_64:
753 case CC_OP_SUBU_64:
754 case CC_OP_ADD_32:
755 case CC_OP_ADDU_32:
756 case CC_OP_SUB_32:
757 case CC_OP_SUBU_32:
758 /* 3 arguments */
759 gen_helper_calc_cc(cc_op, local_cc_op, cc_src, cc_dst, cc_vr);
760 break;
761 case CC_OP_DYNAMIC:
762 /* unknown operation - assume 3 arguments and cc_op in env */
763 gen_helper_calc_cc(cc_op, cc_op, cc_src, cc_dst, cc_vr);
764 break;
765 default:
766 tcg_abort();
767 }
768
769 tcg_temp_free_i32(local_cc_op);
770
771 /* We now have cc in cc_op as constant */
772 set_cc_static(s);
773 }
774
775 static inline void decode_rr(DisasContext *s, uint64_t insn, int *r1, int *r2)
776 {
777 debug_insn(insn);
778
779 *r1 = (insn >> 4) & 0xf;
780 *r2 = insn & 0xf;
781 }
782
783 static inline TCGv_i64 decode_rx(DisasContext *s, uint64_t insn, int *r1,
784 int *x2, int *b2, int *d2)
785 {
786 debug_insn(insn);
787
788 *r1 = (insn >> 20) & 0xf;
789 *x2 = (insn >> 16) & 0xf;
790 *b2 = (insn >> 12) & 0xf;
791 *d2 = insn & 0xfff;
792
793 return get_address(s, *x2, *b2, *d2);
794 }
795
796 static inline void decode_rs(DisasContext *s, uint64_t insn, int *r1, int *r3,
797 int *b2, int *d2)
798 {
799 debug_insn(insn);
800
801 *r1 = (insn >> 20) & 0xf;
802 /* aka m3 */
803 *r3 = (insn >> 16) & 0xf;
804 *b2 = (insn >> 12) & 0xf;
805 *d2 = insn & 0xfff;
806 }
807
808 static inline TCGv_i64 decode_si(DisasContext *s, uint64_t insn, int *i2,
809 int *b1, int *d1)
810 {
811 debug_insn(insn);
812
813 *i2 = (insn >> 16) & 0xff;
814 *b1 = (insn >> 12) & 0xf;
815 *d1 = insn & 0xfff;
816
817 return get_address(s, 0, *b1, *d1);
818 }
819
820 static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong pc)
821 {
822 TranslationBlock *tb;
823
824 gen_update_cc_op(s);
825
826 tb = s->tb;
827 /* NOTE: we handle the case where the TB spans two pages here */
828 if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) ||
829 (pc & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK)) {
830 /* jump to same page: we can use a direct jump */
831 tcg_gen_goto_tb(tb_num);
832 tcg_gen_movi_i64(psw_addr, pc);
833 tcg_gen_exit_tb((tcg_target_long)tb + tb_num);
834 } else {
835 /* jump to another page: currently not optimized */
836 tcg_gen_movi_i64(psw_addr, pc);
837 tcg_gen_exit_tb(0);
838 }
839 }
840
841 static inline void account_noninline_branch(DisasContext *s, int cc_op)
842 {
843 #ifdef DEBUG_INLINE_BRANCHES
844 inline_branch_miss[cc_op]++;
845 #endif
846 }
847
848 static inline void account_inline_branch(DisasContext *s)
849 {
850 #ifdef DEBUG_INLINE_BRANCHES
851 inline_branch_hit[s->cc_op]++;
852 #endif
853 }
854
855 static void gen_jcc(DisasContext *s, uint32_t mask, int skip)
856 {
857 TCGv_i32 tmp, tmp2, r;
858 TCGv_i64 tmp64;
859 int old_cc_op;
860
861 switch (s->cc_op) {
862 case CC_OP_LTGT0_32:
863 tmp = tcg_temp_new_i32();
864 tcg_gen_trunc_i64_i32(tmp, cc_dst);
865 switch (mask) {
866 case 0x8 | 0x4: /* dst <= 0 */
867 tcg_gen_brcondi_i32(TCG_COND_GT, tmp, 0, skip);
868 break;
869 case 0x8 | 0x2: /* dst >= 0 */
870 tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, skip);
871 break;
872 case 0x8: /* dst == 0 */
873 tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, skip);
874 break;
875 case 0x7: /* dst != 0 */
876 case 0x6: /* dst != 0 */
877 tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, skip);
878 break;
879 case 0x4: /* dst < 0 */
880 tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, skip);
881 break;
882 case 0x2: /* dst > 0 */
883 tcg_gen_brcondi_i32(TCG_COND_LE, tmp, 0, skip);
884 break;
885 default:
886 tcg_temp_free_i32(tmp);
887 goto do_dynamic;
888 }
889 account_inline_branch(s);
890 tcg_temp_free_i32(tmp);
891 break;
892 case CC_OP_LTGT0_64:
893 switch (mask) {
894 case 0x8 | 0x4: /* dst <= 0 */
895 tcg_gen_brcondi_i64(TCG_COND_GT, cc_dst, 0, skip);
896 break;
897 case 0x8 | 0x2: /* dst >= 0 */
898 tcg_gen_brcondi_i64(TCG_COND_LT, cc_dst, 0, skip);
899 break;
900 case 0x8: /* dst == 0 */
901 tcg_gen_brcondi_i64(TCG_COND_NE, cc_dst, 0, skip);
902 break;
903 case 0x7: /* dst != 0 */
904 case 0x6: /* dst != 0 */
905 tcg_gen_brcondi_i64(TCG_COND_EQ, cc_dst, 0, skip);
906 break;
907 case 0x4: /* dst < 0 */
908 tcg_gen_brcondi_i64(TCG_COND_GE, cc_dst, 0, skip);
909 break;
910 case 0x2: /* dst > 0 */
911 tcg_gen_brcondi_i64(TCG_COND_LE, cc_dst, 0, skip);
912 break;
913 default:
914 goto do_dynamic;
915 }
916 account_inline_branch(s);
917 break;
918 case CC_OP_LTGT_32:
919 tmp = tcg_temp_new_i32();
920 tmp2 = tcg_temp_new_i32();
921 tcg_gen_trunc_i64_i32(tmp, cc_src);
922 tcg_gen_trunc_i64_i32(tmp2, cc_dst);
923 switch (mask) {
924 case 0x8 | 0x4: /* src <= dst */
925 tcg_gen_brcond_i32(TCG_COND_GT, tmp, tmp2, skip);
926 break;
927 case 0x8 | 0x2: /* src >= dst */
928 tcg_gen_brcond_i32(TCG_COND_LT, tmp, tmp2, skip);
929 break;
930 case 0x8: /* src == dst */
931 tcg_gen_brcond_i32(TCG_COND_NE, tmp, tmp2, skip);
932 break;
933 case 0x7: /* src != dst */
934 case 0x6: /* src != dst */
935 tcg_gen_brcond_i32(TCG_COND_EQ, tmp, tmp2, skip);
936 break;
937 case 0x4: /* src < dst */
938 tcg_gen_brcond_i32(TCG_COND_GE, tmp, tmp2, skip);
939 break;
940 case 0x2: /* src > dst */
941 tcg_gen_brcond_i32(TCG_COND_LE, tmp, tmp2, skip);
942 break;
943 default:
944 tcg_temp_free_i32(tmp);
945 tcg_temp_free_i32(tmp2);
946 goto do_dynamic;
947 }
948 account_inline_branch(s);
949 tcg_temp_free_i32(tmp);
950 tcg_temp_free_i32(tmp2);
951 break;
952 case CC_OP_LTGT_64:
953 switch (mask) {
954 case 0x8 | 0x4: /* src <= dst */
955 tcg_gen_brcond_i64(TCG_COND_GT, cc_src, cc_dst, skip);
956 break;
957 case 0x8 | 0x2: /* src >= dst */
958 tcg_gen_brcond_i64(TCG_COND_LT, cc_src, cc_dst, skip);
959 break;
960 case 0x8: /* src == dst */
961 tcg_gen_brcond_i64(TCG_COND_NE, cc_src, cc_dst, skip);
962 break;
963 case 0x7: /* src != dst */
964 case 0x6: /* src != dst */
965 tcg_gen_brcond_i64(TCG_COND_EQ, cc_src, cc_dst, skip);
966 break;
967 case 0x4: /* src < dst */
968 tcg_gen_brcond_i64(TCG_COND_GE, cc_src, cc_dst, skip);
969 break;
970 case 0x2: /* src > dst */
971 tcg_gen_brcond_i64(TCG_COND_LE, cc_src, cc_dst, skip);
972 break;
973 default:
974 goto do_dynamic;
975 }
976 account_inline_branch(s);
977 break;
978 case CC_OP_LTUGTU_32:
979 tmp = tcg_temp_new_i32();
980 tmp2 = tcg_temp_new_i32();
981 tcg_gen_trunc_i64_i32(tmp, cc_src);
982 tcg_gen_trunc_i64_i32(tmp2, cc_dst);
983 switch (mask) {
984 case 0x8 | 0x4: /* src <= dst */
985 tcg_gen_brcond_i32(TCG_COND_GTU, tmp, tmp2, skip);
986 break;
987 case 0x8 | 0x2: /* src >= dst */
988 tcg_gen_brcond_i32(TCG_COND_LTU, tmp, tmp2, skip);
989 break;
990 case 0x8: /* src == dst */
991 tcg_gen_brcond_i32(TCG_COND_NE, tmp, tmp2, skip);
992 break;
993 case 0x7: /* src != dst */
994 case 0x6: /* src != dst */
995 tcg_gen_brcond_i32(TCG_COND_EQ, tmp, tmp2, skip);
996 break;
997 case 0x4: /* src < dst */
998 tcg_gen_brcond_i32(TCG_COND_GEU, tmp, tmp2, skip);
999 break;
1000 case 0x2: /* src > dst */
1001 tcg_gen_brcond_i32(TCG_COND_LEU, tmp, tmp2, skip);
1002 break;
1003 default:
1004 tcg_temp_free_i32(tmp);
1005 tcg_temp_free_i32(tmp2);
1006 goto do_dynamic;
1007 }
1008 account_inline_branch(s);
1009 tcg_temp_free_i32(tmp);
1010 tcg_temp_free_i32(tmp2);
1011 break;
1012 case CC_OP_LTUGTU_64:
1013 switch (mask) {
1014 case 0x8 | 0x4: /* src <= dst */
1015 tcg_gen_brcond_i64(TCG_COND_GTU, cc_src, cc_dst, skip);
1016 break;
1017 case 0x8 | 0x2: /* src >= dst */
1018 tcg_gen_brcond_i64(TCG_COND_LTU, cc_src, cc_dst, skip);
1019 break;
1020 case 0x8: /* src == dst */
1021 tcg_gen_brcond_i64(TCG_COND_NE, cc_src, cc_dst, skip);
1022 break;
1023 case 0x7: /* src != dst */
1024 case 0x6: /* src != dst */
1025 tcg_gen_brcond_i64(TCG_COND_EQ, cc_src, cc_dst, skip);
1026 break;
1027 case 0x4: /* src < dst */
1028 tcg_gen_brcond_i64(TCG_COND_GEU, cc_src, cc_dst, skip);
1029 break;
1030 case 0x2: /* src > dst */
1031 tcg_gen_brcond_i64(TCG_COND_LEU, cc_src, cc_dst, skip);
1032 break;
1033 default:
1034 goto do_dynamic;
1035 }
1036 account_inline_branch(s);
1037 break;
1038 case CC_OP_NZ:
1039 switch (mask) {
1040 /* dst == 0 || dst != 0 */
1041 case 0x8 | 0x4:
1042 case 0x8 | 0x4 | 0x2:
1043 case 0x8 | 0x4 | 0x2 | 0x1:
1044 case 0x8 | 0x4 | 0x1:
1045 break;
1046 /* dst == 0 */
1047 case 0x8:
1048 case 0x8 | 0x2:
1049 case 0x8 | 0x2 | 0x1:
1050 case 0x8 | 0x1:
1051 tcg_gen_brcondi_i64(TCG_COND_NE, cc_dst, 0, skip);
1052 break;
1053 /* dst != 0 */
1054 case 0x4:
1055 case 0x4 | 0x2:
1056 case 0x4 | 0x2 | 0x1:
1057 case 0x4 | 0x1:
1058 tcg_gen_brcondi_i64(TCG_COND_EQ, cc_dst, 0, skip);
1059 break;
1060 default:
1061 goto do_dynamic;
1062 }
1063 account_inline_branch(s);
1064 break;
1065 case CC_OP_TM_32:
1066 tmp = tcg_temp_new_i32();
1067 tmp2 = tcg_temp_new_i32();
1068
1069 tcg_gen_trunc_i64_i32(tmp, cc_src);
1070 tcg_gen_trunc_i64_i32(tmp2, cc_dst);
1071 tcg_gen_and_i32(tmp, tmp, tmp2);
1072 switch (mask) {
1073 case 0x8: /* val & mask == 0 */
1074 tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, skip);
1075 break;
1076 case 0x4 | 0x2 | 0x1: /* val & mask != 0 */
1077 tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, skip);
1078 break;
1079 default:
1080 tcg_temp_free_i32(tmp);
1081 tcg_temp_free_i32(tmp2);
1082 goto do_dynamic;
1083 }
1084 tcg_temp_free_i32(tmp);
1085 tcg_temp_free_i32(tmp2);
1086 account_inline_branch(s);
1087 break;
1088 case CC_OP_TM_64:
1089 tmp64 = tcg_temp_new_i64();
1090
1091 tcg_gen_and_i64(tmp64, cc_src, cc_dst);
1092 switch (mask) {
1093 case 0x8: /* val & mask == 0 */
1094 tcg_gen_brcondi_i64(TCG_COND_NE, tmp64, 0, skip);
1095 break;
1096 case 0x4 | 0x2 | 0x1: /* val & mask != 0 */
1097 tcg_gen_brcondi_i64(TCG_COND_EQ, tmp64, 0, skip);
1098 break;
1099 default:
1100 tcg_temp_free_i64(tmp64);
1101 goto do_dynamic;
1102 }
1103 tcg_temp_free_i64(tmp64);
1104 account_inline_branch(s);
1105 break;
1106 case CC_OP_ICM:
1107 switch (mask) {
1108 case 0x8: /* val == 0 */
1109 tcg_gen_brcondi_i64(TCG_COND_NE, cc_dst, 0, skip);
1110 break;
1111 case 0x4 | 0x2 | 0x1: /* val != 0 */
1112 case 0x4 | 0x2: /* val != 0 */
1113 tcg_gen_brcondi_i64(TCG_COND_EQ, cc_dst, 0, skip);
1114 break;
1115 default:
1116 goto do_dynamic;
1117 }
1118 account_inline_branch(s);
1119 break;
1120 case CC_OP_STATIC:
1121 old_cc_op = s->cc_op;
1122 goto do_dynamic_nocccalc;
1123 case CC_OP_DYNAMIC:
1124 default:
1125 do_dynamic:
1126 old_cc_op = s->cc_op;
1127 /* calculate cc value */
1128 gen_op_calc_cc(s);
1129
1130 do_dynamic_nocccalc:
1131 /* jump based on cc */
1132 account_noninline_branch(s, old_cc_op);
1133
1134 switch (mask) {
1135 case 0x8 | 0x4 | 0x2 | 0x1:
1136 /* always true */
1137 break;
1138 case 0x8 | 0x4 | 0x2: /* cc != 3 */
1139 tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 3, skip);
1140 break;
1141 case 0x8 | 0x4 | 0x1: /* cc != 2 */
1142 tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 2, skip);
1143 break;
1144 case 0x8 | 0x2 | 0x1: /* cc != 1 */
1145 tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 1, skip);
1146 break;
1147 case 0x8 | 0x2: /* cc == 0 || cc == 2 */
1148 tmp = tcg_temp_new_i32();
1149 tcg_gen_andi_i32(tmp, cc_op, 1);
1150 tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, skip);
1151 tcg_temp_free_i32(tmp);
1152 break;
1153 case 0x8 | 0x4: /* cc < 2 */
1154 tcg_gen_brcondi_i32(TCG_COND_GEU, cc_op, 2, skip);
1155 break;
1156 case 0x8: /* cc == 0 */
1157 tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 0, skip);
1158 break;
1159 case 0x4 | 0x2 | 0x1: /* cc != 0 */
1160 tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 0, skip);
1161 break;
1162 case 0x4 | 0x1: /* cc == 1 || cc == 3 */
1163 tmp = tcg_temp_new_i32();
1164 tcg_gen_andi_i32(tmp, cc_op, 1);
1165 tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, skip);
1166 tcg_temp_free_i32(tmp);
1167 break;
1168 case 0x4: /* cc == 1 */
1169 tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 1, skip);
1170 break;
1171 case 0x2 | 0x1: /* cc > 1 */
1172 tcg_gen_brcondi_i32(TCG_COND_LEU, cc_op, 1, skip);
1173 break;
1174 case 0x2: /* cc == 2 */
1175 tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 2, skip);
1176 break;
1177 case 0x1: /* cc == 3 */
1178 tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 3, skip);
1179 break;
1180 default: /* cc is masked by something else */
1181 tmp = tcg_const_i32(3);
1182 /* 3 - cc */
1183 tcg_gen_sub_i32(tmp, tmp, cc_op);
1184 tmp2 = tcg_const_i32(1);
1185 /* 1 << (3 - cc) */
1186 tcg_gen_shl_i32(tmp2, tmp2, tmp);
1187 r = tcg_const_i32(mask);
1188 /* mask & (1 << (3 - cc)) */
1189 tcg_gen_and_i32(r, r, tmp2);
1190 tcg_temp_free_i32(tmp);
1191 tcg_temp_free_i32(tmp2);
1192
1193 tcg_gen_brcondi_i32(TCG_COND_EQ, r, 0, skip);
1194 tcg_temp_free_i32(r);
1195 break;
1196 }
1197 break;
1198 }
1199 }
1200
1201 static void gen_bcr(DisasContext *s, uint32_t mask, TCGv_i64 target,
1202 uint64_t offset)
1203 {
1204 int skip;
1205
1206 if (mask == 0xf) {
1207 /* unconditional */
1208 tcg_gen_mov_i64(psw_addr, target);
1209 tcg_gen_exit_tb(0);
1210 } else if (mask == 0) {
1211 /* ignore cc and never match */
1212 gen_goto_tb(s, 0, offset + 2);
1213 } else {
1214 TCGv_i64 new_addr = tcg_temp_local_new_i64();
1215
1216 tcg_gen_mov_i64(new_addr, target);
1217 skip = gen_new_label();
1218 gen_jcc(s, mask, skip);
1219 tcg_gen_mov_i64(psw_addr, new_addr);
1220 tcg_temp_free_i64(new_addr);
1221 tcg_gen_exit_tb(0);
1222 gen_set_label(skip);
1223 tcg_temp_free_i64(new_addr);
1224 gen_goto_tb(s, 1, offset + 2);
1225 }
1226 }
1227
1228 static void gen_brc(uint32_t mask, DisasContext *s, int32_t offset)
1229 {
1230 int skip;
1231
1232 if (mask == 0xf) {
1233 /* unconditional */
1234 gen_goto_tb(s, 0, s->pc + offset);
1235 } else if (mask == 0) {
1236 /* ignore cc and never match */
1237 gen_goto_tb(s, 0, s->pc + 4);
1238 } else {
1239 skip = gen_new_label();
1240 gen_jcc(s, mask, skip);
1241 gen_goto_tb(s, 0, s->pc + offset);
1242 gen_set_label(skip);
1243 gen_goto_tb(s, 1, s->pc + 4);
1244 }
1245 s->is_jmp = DISAS_TB_JUMP;
1246 }
1247
1248 static void gen_op_mvc(DisasContext *s, int l, TCGv_i64 s1, TCGv_i64 s2)
1249 {
1250 TCGv_i64 tmp, tmp2;
1251 int i;
1252 int l_memset = gen_new_label();
1253 int l_out = gen_new_label();
1254 TCGv_i64 dest = tcg_temp_local_new_i64();
1255 TCGv_i64 src = tcg_temp_local_new_i64();
1256 TCGv_i32 vl;
1257
1258 /* Find out if we should use the inline version of mvc */
1259 switch (l) {
1260 case 0:
1261 case 1:
1262 case 2:
1263 case 3:
1264 case 4:
1265 case 5:
1266 case 6:
1267 case 7:
1268 case 11:
1269 case 15:
1270 /* use inline */
1271 break;
1272 default:
1273 /* Fall back to helper */
1274 vl = tcg_const_i32(l);
1275 potential_page_fault(s);
1276 gen_helper_mvc(vl, s1, s2);
1277 tcg_temp_free_i32(vl);
1278 return;
1279 }
1280
1281 tcg_gen_mov_i64(dest, s1);
1282 tcg_gen_mov_i64(src, s2);
1283
1284 if (!(s->tb->flags & FLAG_MASK_64)) {
1285 /* XXX what if we overflow while moving? */
1286 tcg_gen_andi_i64(dest, dest, 0x7fffffffUL);
1287 tcg_gen_andi_i64(src, src, 0x7fffffffUL);
1288 }
1289
1290 tmp = tcg_temp_new_i64();
1291 tcg_gen_addi_i64(tmp, src, 1);
1292 tcg_gen_brcond_i64(TCG_COND_EQ, dest, tmp, l_memset);
1293 tcg_temp_free_i64(tmp);
1294
1295 switch (l) {
1296 case 0:
1297 tmp = tcg_temp_new_i64();
1298
1299 tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
1300 tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
1301
1302 tcg_temp_free_i64(tmp);
1303 break;
1304 case 1:
1305 tmp = tcg_temp_new_i64();
1306
1307 tcg_gen_qemu_ld16u(tmp, src, get_mem_index(s));
1308 tcg_gen_qemu_st16(tmp, dest, get_mem_index(s));
1309
1310 tcg_temp_free_i64(tmp);
1311 break;
1312 case 3:
1313 tmp = tcg_temp_new_i64();
1314
1315 tcg_gen_qemu_ld32u(tmp, src, get_mem_index(s));
1316 tcg_gen_qemu_st32(tmp, dest, get_mem_index(s));
1317
1318 tcg_temp_free_i64(tmp);
1319 break;
1320 case 4:
1321 tmp = tcg_temp_new_i64();
1322 tmp2 = tcg_temp_new_i64();
1323
1324 tcg_gen_qemu_ld32u(tmp, src, get_mem_index(s));
1325 tcg_gen_addi_i64(src, src, 4);
1326 tcg_gen_qemu_ld8u(tmp2, src, get_mem_index(s));
1327 tcg_gen_qemu_st32(tmp, dest, get_mem_index(s));
1328 tcg_gen_addi_i64(dest, dest, 4);
1329 tcg_gen_qemu_st8(tmp2, dest, get_mem_index(s));
1330
1331 tcg_temp_free_i64(tmp);
1332 tcg_temp_free_i64(tmp2);
1333 break;
1334 case 7:
1335 tmp = tcg_temp_new_i64();
1336
1337 tcg_gen_qemu_ld64(tmp, src, get_mem_index(s));
1338 tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
1339
1340 tcg_temp_free_i64(tmp);
1341 break;
1342 default:
1343 /* The inline version can become too big for too uneven numbers, only
1344 use it on known good lengths */
1345 tmp = tcg_temp_new_i64();
1346 tmp2 = tcg_const_i64(8);
1347 for (i = 0; (i + 7) <= l; i += 8) {
1348 tcg_gen_qemu_ld64(tmp, src, get_mem_index(s));
1349 tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
1350
1351 tcg_gen_add_i64(src, src, tmp2);
1352 tcg_gen_add_i64(dest, dest, tmp2);
1353 }
1354
1355 tcg_temp_free_i64(tmp2);
1356 tmp2 = tcg_const_i64(1);
1357
1358 for (; i <= l; i++) {
1359 tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
1360 tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
1361
1362 tcg_gen_add_i64(src, src, tmp2);
1363 tcg_gen_add_i64(dest, dest, tmp2);
1364 }
1365
1366 tcg_temp_free_i64(tmp2);
1367 tcg_temp_free_i64(tmp);
1368 break;
1369 }
1370
1371 tcg_gen_br(l_out);
1372
1373 gen_set_label(l_memset);
1374 /* memset case (dest == (src + 1)) */
1375
1376 tmp = tcg_temp_new_i64();
1377 tmp2 = tcg_temp_new_i64();
1378 /* fill tmp with the byte */
1379 tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
1380 tcg_gen_shli_i64(tmp2, tmp, 8);
1381 tcg_gen_or_i64(tmp, tmp, tmp2);
1382 tcg_gen_shli_i64(tmp2, tmp, 16);
1383 tcg_gen_or_i64(tmp, tmp, tmp2);
1384 tcg_gen_shli_i64(tmp2, tmp, 32);
1385 tcg_gen_or_i64(tmp, tmp, tmp2);
1386 tcg_temp_free_i64(tmp2);
1387
1388 tmp2 = tcg_const_i64(8);
1389
1390 for (i = 0; (i + 7) <= l; i += 8) {
1391 tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
1392 tcg_gen_addi_i64(dest, dest, 8);
1393 }
1394
1395 tcg_temp_free_i64(tmp2);
1396 tmp2 = tcg_const_i64(1);
1397
1398 for (; i <= l; i++) {
1399 tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
1400 tcg_gen_addi_i64(dest, dest, 1);
1401 }
1402
1403 tcg_temp_free_i64(tmp2);
1404 tcg_temp_free_i64(tmp);
1405
1406 gen_set_label(l_out);
1407
1408 tcg_temp_free(dest);
1409 tcg_temp_free(src);
1410 }
1411
1412 static void gen_op_clc(DisasContext *s, int l, TCGv_i64 s1, TCGv_i64 s2)
1413 {
1414 TCGv_i64 tmp;
1415 TCGv_i64 tmp2;
1416 TCGv_i32 vl;
1417
1418 /* check for simple 32bit or 64bit match */
1419 switch (l) {
1420 case 0:
1421 tmp = tcg_temp_new_i64();
1422 tmp2 = tcg_temp_new_i64();
1423
1424 tcg_gen_qemu_ld8u(tmp, s1, get_mem_index(s));
1425 tcg_gen_qemu_ld8u(tmp2, s2, get_mem_index(s));
1426 cmp_u64(s, tmp, tmp2);
1427
1428 tcg_temp_free_i64(tmp);
1429 tcg_temp_free_i64(tmp2);
1430 return;
1431 case 1:
1432 tmp = tcg_temp_new_i64();
1433 tmp2 = tcg_temp_new_i64();
1434
1435 tcg_gen_qemu_ld16u(tmp, s1, get_mem_index(s));
1436 tcg_gen_qemu_ld16u(tmp2, s2, get_mem_index(s));
1437 cmp_u64(s, tmp, tmp2);
1438
1439 tcg_temp_free_i64(tmp);
1440 tcg_temp_free_i64(tmp2);
1441 return;
1442 case 3:
1443 tmp = tcg_temp_new_i64();
1444 tmp2 = tcg_temp_new_i64();
1445
1446 tcg_gen_qemu_ld32u(tmp, s1, get_mem_index(s));
1447 tcg_gen_qemu_ld32u(tmp2, s2, get_mem_index(s));
1448 cmp_u64(s, tmp, tmp2);
1449
1450 tcg_temp_free_i64(tmp);
1451 tcg_temp_free_i64(tmp2);
1452 return;
1453 case 7:
1454 tmp = tcg_temp_new_i64();
1455 tmp2 = tcg_temp_new_i64();
1456
1457 tcg_gen_qemu_ld64(tmp, s1, get_mem_index(s));
1458 tcg_gen_qemu_ld64(tmp2, s2, get_mem_index(s));
1459 cmp_u64(s, tmp, tmp2);
1460
1461 tcg_temp_free_i64(tmp);
1462 tcg_temp_free_i64(tmp2);
1463 return;
1464 }
1465
1466 potential_page_fault(s);
1467 vl = tcg_const_i32(l);
1468 gen_helper_clc(cc_op, vl, s1, s2);
1469 tcg_temp_free_i32(vl);
1470 set_cc_static(s);
1471 }
1472
1473 static void disas_e3(DisasContext* s, int op, int r1, int x2, int b2, int d2)
1474 {
1475 TCGv_i64 addr, tmp, tmp2, tmp3, tmp4;
1476 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
1477
1478 LOG_DISAS("disas_e3: op 0x%x r1 %d x2 %d b2 %d d2 %d\n",
1479 op, r1, x2, b2, d2);
1480 addr = get_address(s, x2, b2, d2);
1481 switch (op) {
1482 case 0x2: /* LTG R1,D2(X2,B2) [RXY] */
1483 case 0x4: /* lg r1,d2(x2,b2) */
1484 tcg_gen_qemu_ld64(regs[r1], addr, get_mem_index(s));
1485 if (op == 0x2) {
1486 set_cc_s64(s, regs[r1]);
1487 }
1488 break;
1489 case 0x12: /* LT R1,D2(X2,B2) [RXY] */
1490 tmp2 = tcg_temp_new_i64();
1491 tmp32_1 = tcg_temp_new_i32();
1492 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1493 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
1494 store_reg32(r1, tmp32_1);
1495 set_cc_s32(s, tmp32_1);
1496 tcg_temp_free_i64(tmp2);
1497 tcg_temp_free_i32(tmp32_1);
1498 break;
1499 case 0xc: /* MSG R1,D2(X2,B2) [RXY] */
1500 case 0x1c: /* MSGF R1,D2(X2,B2) [RXY] */
1501 tmp2 = tcg_temp_new_i64();
1502 if (op == 0xc) {
1503 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1504 } else {
1505 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1506 }
1507 tcg_gen_mul_i64(regs[r1], regs[r1], tmp2);
1508 tcg_temp_free_i64(tmp2);
1509 break;
1510 case 0xd: /* DSG R1,D2(X2,B2) [RXY] */
1511 case 0x1d: /* DSGF R1,D2(X2,B2) [RXY] */
1512 tmp2 = tcg_temp_new_i64();
1513 if (op == 0x1d) {
1514 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1515 } else {
1516 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1517 }
1518 tmp4 = load_reg(r1 + 1);
1519 tmp3 = tcg_temp_new_i64();
1520 tcg_gen_div_i64(tmp3, tmp4, tmp2);
1521 store_reg(r1 + 1, tmp3);
1522 tcg_gen_rem_i64(tmp3, tmp4, tmp2);
1523 store_reg(r1, tmp3);
1524 tcg_temp_free_i64(tmp2);
1525 tcg_temp_free_i64(tmp3);
1526 tcg_temp_free_i64(tmp4);
1527 break;
1528 case 0x8: /* AG R1,D2(X2,B2) [RXY] */
1529 case 0xa: /* ALG R1,D2(X2,B2) [RXY] */
1530 case 0x18: /* AGF R1,D2(X2,B2) [RXY] */
1531 case 0x1a: /* ALGF R1,D2(X2,B2) [RXY] */
1532 if (op == 0x1a) {
1533 tmp2 = tcg_temp_new_i64();
1534 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1535 } else if (op == 0x18) {
1536 tmp2 = tcg_temp_new_i64();
1537 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1538 } else {
1539 tmp2 = tcg_temp_new_i64();
1540 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1541 }
1542 tmp4 = load_reg(r1);
1543 tmp3 = tcg_temp_new_i64();
1544 tcg_gen_add_i64(tmp3, tmp4, tmp2);
1545 store_reg(r1, tmp3);
1546 switch (op) {
1547 case 0x8:
1548 case 0x18:
1549 set_cc_add64(s, tmp4, tmp2, tmp3);
1550 break;
1551 case 0xa:
1552 case 0x1a:
1553 set_cc_addu64(s, tmp4, tmp2, tmp3);
1554 break;
1555 default:
1556 tcg_abort();
1557 }
1558 tcg_temp_free_i64(tmp2);
1559 tcg_temp_free_i64(tmp3);
1560 tcg_temp_free_i64(tmp4);
1561 break;
1562 case 0x9: /* SG R1,D2(X2,B2) [RXY] */
1563 case 0xb: /* SLG R1,D2(X2,B2) [RXY] */
1564 case 0x19: /* SGF R1,D2(X2,B2) [RXY] */
1565 case 0x1b: /* SLGF R1,D2(X2,B2) [RXY] */
1566 tmp2 = tcg_temp_new_i64();
1567 if (op == 0x19) {
1568 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1569 } else if (op == 0x1b) {
1570 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1571 } else {
1572 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1573 }
1574 tmp4 = load_reg(r1);
1575 tmp3 = tcg_temp_new_i64();
1576 tcg_gen_sub_i64(tmp3, tmp4, tmp2);
1577 store_reg(r1, tmp3);
1578 switch (op) {
1579 case 0x9:
1580 case 0x19:
1581 set_cc_sub64(s, tmp4, tmp2, tmp3);
1582 break;
1583 case 0xb:
1584 case 0x1b:
1585 set_cc_subu64(s, tmp4, tmp2, tmp3);
1586 break;
1587 default:
1588 tcg_abort();
1589 }
1590 tcg_temp_free_i64(tmp2);
1591 tcg_temp_free_i64(tmp3);
1592 tcg_temp_free_i64(tmp4);
1593 break;
1594 case 0xf: /* LRVG R1,D2(X2,B2) [RXE] */
1595 tmp2 = tcg_temp_new_i64();
1596 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1597 tcg_gen_bswap64_i64(tmp2, tmp2);
1598 store_reg(r1, tmp2);
1599 tcg_temp_free_i64(tmp2);
1600 break;
1601 case 0x14: /* LGF R1,D2(X2,B2) [RXY] */
1602 case 0x16: /* LLGF R1,D2(X2,B2) [RXY] */
1603 tmp2 = tcg_temp_new_i64();
1604 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1605 if (op == 0x14) {
1606 tcg_gen_ext32s_i64(tmp2, tmp2);
1607 }
1608 store_reg(r1, tmp2);
1609 tcg_temp_free_i64(tmp2);
1610 break;
1611 case 0x15: /* LGH R1,D2(X2,B2) [RXY] */
1612 tmp2 = tcg_temp_new_i64();
1613 tcg_gen_qemu_ld16s(tmp2, addr, get_mem_index(s));
1614 store_reg(r1, tmp2);
1615 tcg_temp_free_i64(tmp2);
1616 break;
1617 case 0x17: /* LLGT R1,D2(X2,B2) [RXY] */
1618 tmp2 = tcg_temp_new_i64();
1619 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1620 tcg_gen_andi_i64(tmp2, tmp2, 0x7fffffffULL);
1621 store_reg(r1, tmp2);
1622 tcg_temp_free_i64(tmp2);
1623 break;
1624 case 0x1e: /* LRV R1,D2(X2,B2) [RXY] */
1625 tmp2 = tcg_temp_new_i64();
1626 tmp32_1 = tcg_temp_new_i32();
1627 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1628 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
1629 tcg_temp_free_i64(tmp2);
1630 tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
1631 store_reg32(r1, tmp32_1);
1632 tcg_temp_free_i32(tmp32_1);
1633 break;
1634 case 0x1f: /* LRVH R1,D2(X2,B2) [RXY] */
1635 tmp2 = tcg_temp_new_i64();
1636 tmp32_1 = tcg_temp_new_i32();
1637 tcg_gen_qemu_ld16u(tmp2, addr, get_mem_index(s));
1638 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
1639 tcg_temp_free_i64(tmp2);
1640 tcg_gen_bswap16_i32(tmp32_1, tmp32_1);
1641 store_reg16(r1, tmp32_1);
1642 tcg_temp_free_i32(tmp32_1);
1643 break;
1644 case 0x20: /* CG R1,D2(X2,B2) [RXY] */
1645 case 0x21: /* CLG R1,D2(X2,B2) */
1646 case 0x30: /* CGF R1,D2(X2,B2) [RXY] */
1647 case 0x31: /* CLGF R1,D2(X2,B2) [RXY] */
1648 tmp2 = tcg_temp_new_i64();
1649 switch (op) {
1650 case 0x20:
1651 case 0x21:
1652 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1653 break;
1654 case 0x30:
1655 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1656 break;
1657 case 0x31:
1658 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1659 break;
1660 default:
1661 tcg_abort();
1662 }
1663 switch (op) {
1664 case 0x20:
1665 case 0x30:
1666 cmp_s64(s, regs[r1], tmp2);
1667 break;
1668 case 0x21:
1669 case 0x31:
1670 cmp_u64(s, regs[r1], tmp2);
1671 break;
1672 default:
1673 tcg_abort();
1674 }
1675 tcg_temp_free_i64(tmp2);
1676 break;
1677 case 0x24: /* stg r1, d2(x2,b2) */
1678 tcg_gen_qemu_st64(regs[r1], addr, get_mem_index(s));
1679 break;
1680 case 0x3e: /* STRV R1,D2(X2,B2) [RXY] */
1681 tmp32_1 = load_reg32(r1);
1682 tmp2 = tcg_temp_new_i64();
1683 tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
1684 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
1685 tcg_temp_free_i32(tmp32_1);
1686 tcg_gen_qemu_st32(tmp2, addr, get_mem_index(s));
1687 tcg_temp_free_i64(tmp2);
1688 break;
1689 case 0x50: /* STY R1,D2(X2,B2) [RXY] */
1690 tmp32_1 = load_reg32(r1);
1691 tmp2 = tcg_temp_new_i64();
1692 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
1693 tcg_temp_free_i32(tmp32_1);
1694 tcg_gen_qemu_st32(tmp2, addr, get_mem_index(s));
1695 tcg_temp_free_i64(tmp2);
1696 break;
1697 case 0x57: /* XY R1,D2(X2,B2) [RXY] */
1698 tmp32_1 = load_reg32(r1);
1699 tmp32_2 = tcg_temp_new_i32();
1700 tmp2 = tcg_temp_new_i64();
1701 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1702 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
1703 tcg_temp_free_i64(tmp2);
1704 tcg_gen_xor_i32(tmp32_2, tmp32_1, tmp32_2);
1705 store_reg32(r1, tmp32_2);
1706 set_cc_nz_u32(s, tmp32_2);
1707 tcg_temp_free_i32(tmp32_1);
1708 tcg_temp_free_i32(tmp32_2);
1709 break;
1710 case 0x58: /* LY R1,D2(X2,B2) [RXY] */
1711 tmp3 = tcg_temp_new_i64();
1712 tcg_gen_qemu_ld32u(tmp3, addr, get_mem_index(s));
1713 store_reg32_i64(r1, tmp3);
1714 tcg_temp_free_i64(tmp3);
1715 break;
1716 case 0x5a: /* AY R1,D2(X2,B2) [RXY] */
1717 case 0x5b: /* SY R1,D2(X2,B2) [RXY] */
1718 tmp32_1 = load_reg32(r1);
1719 tmp32_2 = tcg_temp_new_i32();
1720 tmp32_3 = tcg_temp_new_i32();
1721 tmp2 = tcg_temp_new_i64();
1722 tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
1723 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
1724 tcg_temp_free_i64(tmp2);
1725 switch (op) {
1726 case 0x5a:
1727 tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
1728 break;
1729 case 0x5b:
1730 tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
1731 break;
1732 default:
1733 tcg_abort();
1734 }
1735 store_reg32(r1, tmp32_3);
1736 switch (op) {
1737 case 0x5a:
1738 set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
1739 break;
1740 case 0x5b:
1741 set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
1742 break;
1743 default:
1744 tcg_abort();
1745 }
1746 tcg_temp_free_i32(tmp32_1);
1747 tcg_temp_free_i32(tmp32_2);
1748 tcg_temp_free_i32(tmp32_3);
1749 break;
1750 case 0x71: /* LAY R1,D2(X2,B2) [RXY] */
1751 store_reg(r1, addr);
1752 break;
1753 case 0x72: /* STCY R1,D2(X2,B2) [RXY] */
1754 tmp32_1 = load_reg32(r1);
1755 tmp2 = tcg_temp_new_i64();
1756 tcg_gen_ext_i32_i64(tmp2, tmp32_1);
1757 tcg_gen_qemu_st8(tmp2, addr, get_mem_index(s));
1758 tcg_temp_free_i32(tmp32_1);
1759 tcg_temp_free_i64(tmp2);
1760 break;
1761 case 0x73: /* ICY R1,D2(X2,B2) [RXY] */
1762 tmp3 = tcg_temp_new_i64();
1763 tcg_gen_qemu_ld8u(tmp3, addr, get_mem_index(s));
1764 store_reg8(r1, tmp3);
1765 tcg_temp_free_i64(tmp3);
1766 break;
1767 case 0x76: /* LB R1,D2(X2,B2) [RXY] */
1768 case 0x77: /* LGB R1,D2(X2,B2) [RXY] */
1769 tmp2 = tcg_temp_new_i64();
1770 tcg_gen_qemu_ld8s(tmp2, addr, get_mem_index(s));
1771 switch (op) {
1772 case 0x76:
1773 tcg_gen_ext8s_i64(tmp2, tmp2);
1774 store_reg32_i64(r1, tmp2);
1775 break;
1776 case 0x77:
1777 tcg_gen_ext8s_i64(tmp2, tmp2);
1778 store_reg(r1, tmp2);
1779 break;
1780 default:
1781 tcg_abort();
1782 }
1783 tcg_temp_free_i64(tmp2);
1784 break;
1785 case 0x78: /* LHY R1,D2(X2,B2) [RXY] */
1786 tmp2 = tcg_temp_new_i64();
1787 tcg_gen_qemu_ld16s(tmp2, addr, get_mem_index(s));
1788 store_reg32_i64(r1, tmp2);
1789 tcg_temp_free_i64(tmp2);
1790 break;
1791 case 0x80: /* NG R1,D2(X2,B2) [RXY] */
1792 case 0x81: /* OG R1,D2(X2,B2) [RXY] */
1793 case 0x82: /* XG R1,D2(X2,B2) [RXY] */
1794 tmp3 = tcg_temp_new_i64();
1795 tcg_gen_qemu_ld64(tmp3, addr, get_mem_index(s));
1796 switch (op) {
1797 case 0x80:
1798 tcg_gen_and_i64(regs[r1], regs[r1], tmp3);
1799 break;
1800 case 0x81:
1801 tcg_gen_or_i64(regs[r1], regs[r1], tmp3);
1802 break;
1803 case 0x82:
1804 tcg_gen_xor_i64(regs[r1], regs[r1], tmp3);
1805 break;
1806 default:
1807 tcg_abort();
1808 }
1809 set_cc_nz_u64(s, regs[r1]);
1810 tcg_temp_free_i64(tmp3);
1811 break;
1812 case 0x86: /* MLG R1,D2(X2,B2) [RXY] */
1813 tmp2 = tcg_temp_new_i64();
1814 tmp32_1 = tcg_const_i32(r1);
1815 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1816 gen_helper_mlg(tmp32_1, tmp2);
1817 tcg_temp_free_i64(tmp2);
1818 tcg_temp_free_i32(tmp32_1);
1819 break;
1820 case 0x87: /* DLG R1,D2(X2,B2) [RXY] */
1821 tmp2 = tcg_temp_new_i64();
1822 tmp32_1 = tcg_const_i32(r1);
1823 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1824 gen_helper_dlg(tmp32_1, tmp2);
1825 tcg_temp_free_i64(tmp2);
1826 tcg_temp_free_i32(tmp32_1);
1827 break;
1828 case 0x88: /* ALCG R1,D2(X2,B2) [RXY] */
1829 tmp2 = tcg_temp_new_i64();
1830 tmp3 = tcg_temp_new_i64();
1831 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1832 /* XXX possible optimization point */
1833 gen_op_calc_cc(s);
1834 tcg_gen_extu_i32_i64(tmp3, cc_op);
1835 tcg_gen_shri_i64(tmp3, tmp3, 1);
1836 tcg_gen_andi_i64(tmp3, tmp3, 1);
1837 tcg_gen_add_i64(tmp3, tmp2, tmp3);
1838 tcg_gen_add_i64(tmp3, regs[r1], tmp3);
1839 store_reg(r1, tmp3);
1840 set_cc_addu64(s, regs[r1], tmp2, tmp3);
1841 tcg_temp_free_i64(tmp2);
1842 tcg_temp_free_i64(tmp3);
1843 break;
1844 case 0x89: /* SLBG R1,D2(X2,B2) [RXY] */
1845 tmp2 = tcg_temp_new_i64();
1846 tmp32_1 = tcg_const_i32(r1);
1847 tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
1848 /* XXX possible optimization point */
1849 gen_op_calc_cc(s);
1850 gen_helper_slbg(cc_op, cc_op, tmp32_1, regs[r1], tmp2);
1851 set_cc_static(s);
1852 tcg_temp_free_i64(tmp2);
1853 tcg_temp_free_i32(tmp32_1);
1854 break;
1855 case 0x90: /* LLGC R1,D2(X2,B2) [RXY] */
1856 tcg_gen_qemu_ld8u(regs[r1], addr, get_mem_index(s));
1857 break;
1858 case 0x91: /* LLGH R1,D2(X2,B2) [RXY] */
1859 tcg_gen_qemu_ld16u(regs[r1], addr, get_mem_index(s));
1860 break;
1861 case 0x94: /* LLC R1,D2(X2,B2) [RXY] */
1862 tmp2 = tcg_temp_new_i64();
1863 tcg_gen_qemu_ld8u(tmp2, addr, get_mem_index(s));
1864 store_reg32_i64(r1, tmp2);
1865 tcg_temp_free_i64(tmp2);
1866 break;
1867 case 0x95: /* LLH R1,D2(X2,B2) [RXY] */
1868 tmp2 = tcg_temp_new_i64();
1869 tcg_gen_qemu_ld16u(tmp2, addr, get_mem_index(s));
1870 store_reg32_i64(r1, tmp2);
1871 tcg_temp_free_i64(tmp2);
1872 break;
1873 case 0x96: /* ML R1,D2(X2,B2) [RXY] */
1874 tmp2 = tcg_temp_new_i64();
1875 tmp3 = load_reg((r1 + 1) & 15);
1876 tcg_gen_ext32u_i64(tmp3, tmp3);
1877 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1878 tcg_gen_mul_i64(tmp2, tmp2, tmp3);
1879 store_reg32_i64((r1 + 1) & 15, tmp2);
1880 tcg_gen_shri_i64(tmp2, tmp2, 32);
1881 store_reg32_i64(r1, tmp2);
1882 tcg_temp_free_i64(tmp2);
1883 tcg_temp_free_i64(tmp3);
1884 break;
1885 case 0x97: /* DL R1,D2(X2,B2) [RXY] */
1886 /* reg(r1) = reg(r1, r1+1) % ld32(addr) */
1887 /* reg(r1+1) = reg(r1, r1+1) / ld32(addr) */
1888 tmp = load_reg(r1);
1889 tmp2 = tcg_temp_new_i64();
1890 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1891 tmp3 = load_reg((r1 + 1) & 15);
1892 tcg_gen_ext32u_i64(tmp2, tmp2);
1893 tcg_gen_ext32u_i64(tmp3, tmp3);
1894 tcg_gen_shli_i64(tmp, tmp, 32);
1895 tcg_gen_or_i64(tmp, tmp, tmp3);
1896
1897 tcg_gen_rem_i64(tmp3, tmp, tmp2);
1898 tcg_gen_div_i64(tmp, tmp, tmp2);
1899 store_reg32_i64((r1 + 1) & 15, tmp);
1900 store_reg32_i64(r1, tmp3);
1901 tcg_temp_free_i64(tmp);
1902 tcg_temp_free_i64(tmp2);
1903 tcg_temp_free_i64(tmp3);
1904 break;
1905 case 0x98: /* ALC R1,D2(X2,B2) [RXY] */
1906 tmp2 = tcg_temp_new_i64();
1907 tmp32_1 = load_reg32(r1);
1908 tmp32_2 = tcg_temp_new_i32();
1909 tmp32_3 = tcg_temp_new_i32();
1910 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1911 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
1912 /* XXX possible optimization point */
1913 gen_op_calc_cc(s);
1914 gen_helper_addc_u32(tmp32_3, cc_op, tmp32_1, tmp32_2);
1915 set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
1916 store_reg32(r1, tmp32_3);
1917 tcg_temp_free_i64(tmp2);
1918 tcg_temp_free_i32(tmp32_1);
1919 tcg_temp_free_i32(tmp32_2);
1920 tcg_temp_free_i32(tmp32_3);
1921 break;
1922 case 0x99: /* SLB R1,D2(X2,B2) [RXY] */
1923 tmp2 = tcg_temp_new_i64();
1924 tmp32_1 = tcg_const_i32(r1);
1925 tmp32_2 = tcg_temp_new_i32();
1926 tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
1927 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
1928 /* XXX possible optimization point */
1929 gen_op_calc_cc(s);
1930 gen_helper_slb(cc_op, cc_op, tmp32_1, tmp32_2);
1931 set_cc_static(s);
1932 tcg_temp_free_i64(tmp2);
1933 tcg_temp_free_i32(tmp32_1);
1934 tcg_temp_free_i32(tmp32_2);
1935 break;
1936 default:
1937 LOG_DISAS("illegal e3 operation 0x%x\n", op);
1938 gen_illegal_opcode(s, 3);
1939 break;
1940 }
1941 tcg_temp_free_i64(addr);
1942 }
1943
1944 #ifndef CONFIG_USER_ONLY
1945 static void disas_e5(DisasContext* s, uint64_t insn)
1946 {
1947 TCGv_i64 tmp, tmp2;
1948 int op = (insn >> 32) & 0xff;
1949
1950 tmp = get_address(s, 0, (insn >> 28) & 0xf, (insn >> 16) & 0xfff);
1951 tmp2 = get_address(s, 0, (insn >> 12) & 0xf, insn & 0xfff);
1952
1953 LOG_DISAS("disas_e5: insn %" PRIx64 "\n", insn);
1954 switch (op) {
1955 case 0x01: /* TPROT D1(B1),D2(B2) [SSE] */
1956 /* Test Protection */
1957 potential_page_fault(s);
1958 gen_helper_tprot(cc_op, tmp, tmp2);
1959 set_cc_static(s);
1960 break;
1961 default:
1962 LOG_DISAS("illegal e5 operation 0x%x\n", op);
1963 gen_illegal_opcode(s, 3);
1964 break;
1965 }
1966
1967 tcg_temp_free_i64(tmp);
1968 tcg_temp_free_i64(tmp2);
1969 }
1970 #endif
1971
1972 static void disas_eb(DisasContext *s, int op, int r1, int r3, int b2, int d2)
1973 {
1974 TCGv_i64 tmp, tmp2, tmp3, tmp4;
1975 TCGv_i32 tmp32_1, tmp32_2;
1976 int i, stm_len;
1977 int ilc = 3;
1978
1979 LOG_DISAS("disas_eb: op 0x%x r1 %d r3 %d b2 %d d2 0x%x\n",
1980 op, r1, r3, b2, d2);
1981 switch (op) {
1982 case 0xc: /* SRLG R1,R3,D2(B2) [RSY] */
1983 case 0xd: /* SLLG R1,R3,D2(B2) [RSY] */
1984 case 0xa: /* SRAG R1,R3,D2(B2) [RSY] */
1985 case 0xb: /* SLAG R1,R3,D2(B2) [RSY] */
1986 case 0x1c: /* RLLG R1,R3,D2(B2) [RSY] */
1987 if (b2) {
1988 tmp = get_address(s, 0, b2, d2);
1989 tcg_gen_andi_i64(tmp, tmp, 0x3f);
1990 } else {
1991 tmp = tcg_const_i64(d2 & 0x3f);
1992 }
1993 switch (op) {
1994 case 0xc:
1995 tcg_gen_shr_i64(regs[r1], regs[r3], tmp);
1996 break;
1997 case 0xd:
1998 tcg_gen_shl_i64(regs[r1], regs[r3], tmp);
1999 break;
2000 case 0xa:
2001 tcg_gen_sar_i64(regs[r1], regs[r3], tmp);
2002 break;
2003 case 0xb:
2004 tmp2 = tcg_temp_new_i64();
2005 tmp3 = tcg_temp_new_i64();
2006 gen_op_update2_cc_i64(s, CC_OP_SLAG, regs[r3], tmp);
2007 tcg_gen_shl_i64(tmp2, regs[r3], tmp);
2008 /* override sign bit with source sign */
2009 tcg_gen_andi_i64(tmp2, tmp2, ~0x8000000000000000ULL);
2010 tcg_gen_andi_i64(tmp3, regs[r3], 0x8000000000000000ULL);
2011 tcg_gen_or_i64(regs[r1], tmp2, tmp3);
2012 tcg_temp_free_i64(tmp2);
2013 tcg_temp_free_i64(tmp3);
2014 break;
2015 case 0x1c:
2016 tcg_gen_rotl_i64(regs[r1], regs[r3], tmp);
2017 break;
2018 default:
2019 tcg_abort();
2020 break;
2021 }
2022 if (op == 0xa) {
2023 set_cc_s64(s, regs[r1]);
2024 }
2025 tcg_temp_free_i64(tmp);
2026 break;
2027 case 0x1d: /* RLL R1,R3,D2(B2) [RSY] */
2028 if (b2) {
2029 tmp = get_address(s, 0, b2, d2);
2030 tcg_gen_andi_i64(tmp, tmp, 0x3f);
2031 } else {
2032 tmp = tcg_const_i64(d2 & 0x3f);
2033 }
2034 tmp32_1 = tcg_temp_new_i32();
2035 tmp32_2 = load_reg32(r3);
2036 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
2037 switch (op) {
2038 case 0x1d:
2039 tcg_gen_rotl_i32(tmp32_1, tmp32_2, tmp32_1);
2040 break;
2041 default:
2042 tcg_abort();
2043 break;
2044 }
2045 store_reg32(r1, tmp32_1);
2046 tcg_temp_free_i64(tmp);
2047 tcg_temp_free_i32(tmp32_1);
2048 tcg_temp_free_i32(tmp32_2);
2049 break;
2050 case 0x4: /* LMG R1,R3,D2(B2) [RSE] */
2051 case 0x24: /* STMG R1,R3,D2(B2) [RSE] */
2052 stm_len = 8;
2053 goto do_mh;
2054 case 0x26: /* STMH R1,R3,D2(B2) [RSE] */
2055 case 0x96: /* LMH R1,R3,D2(B2) [RSE] */
2056 stm_len = 4;
2057 do_mh:
2058 /* Apparently, unrolling lmg/stmg of any size gains performance -
2059 even for very long ones... */
2060 tmp = get_address(s, 0, b2, d2);
2061 tmp3 = tcg_const_i64(stm_len);
2062 tmp4 = tcg_const_i64(op == 0x26 ? 32 : 4);
2063 for (i = r1;; i = (i + 1) % 16) {
2064 switch (op) {
2065 case 0x4:
2066 tcg_gen_qemu_ld64(regs[i], tmp, get_mem_index(s));
2067 break;
2068 case 0x96:
2069 tmp2 = tcg_temp_new_i64();
2070 #if HOST_LONG_BITS == 32
2071 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
2072 tcg_gen_trunc_i64_i32(TCGV_HIGH(regs[i]), tmp2);
2073 #else
2074 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
2075 tcg_gen_shl_i64(tmp2, tmp2, tmp4);
2076 tcg_gen_ext32u_i64(regs[i], regs[i]);
2077 tcg_gen_or_i64(regs[i], regs[i], tmp2);
2078 #endif
2079 tcg_temp_free_i64(tmp2);
2080 break;
2081 case 0x24:
2082 tcg_gen_qemu_st64(regs[i], tmp, get_mem_index(s));
2083 break;
2084 case 0x26:
2085 tmp2 = tcg_temp_new_i64();
2086 tcg_gen_shr_i64(tmp2, regs[i], tmp4);
2087 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
2088 tcg_temp_free_i64(tmp2);
2089 break;
2090 default:
2091 tcg_abort();
2092 }
2093 if (i == r3) {
2094 break;
2095 }
2096 tcg_gen_add_i64(tmp, tmp, tmp3);
2097 }
2098 tcg_temp_free_i64(tmp);
2099 tcg_temp_free_i64(tmp3);
2100 tcg_temp_free_i64(tmp4);
2101 break;
2102 case 0x2c: /* STCMH R1,M3,D2(B2) [RSY] */
2103 tmp = get_address(s, 0, b2, d2);
2104 tmp32_1 = tcg_const_i32(r1);
2105 tmp32_2 = tcg_const_i32(r3);
2106 potential_page_fault(s);
2107 gen_helper_stcmh(tmp32_1, tmp, tmp32_2);
2108 tcg_temp_free_i64(tmp);
2109 tcg_temp_free_i32(tmp32_1);
2110 tcg_temp_free_i32(tmp32_2);
2111 break;
2112 #ifndef CONFIG_USER_ONLY
2113 case 0x2f: /* LCTLG R1,R3,D2(B2) [RSE] */
2114 /* Load Control */
2115 check_privileged(s, ilc);
2116 tmp = get_address(s, 0, b2, d2);
2117 tmp32_1 = tcg_const_i32(r1);
2118 tmp32_2 = tcg_const_i32(r3);
2119 potential_page_fault(s);
2120 gen_helper_lctlg(tmp32_1, tmp, tmp32_2);
2121 tcg_temp_free_i64(tmp);
2122 tcg_temp_free_i32(tmp32_1);
2123 tcg_temp_free_i32(tmp32_2);
2124 break;
2125 case 0x25: /* STCTG R1,R3,D2(B2) [RSE] */
2126 /* Store Control */
2127 check_privileged(s, ilc);
2128 tmp = get_address(s, 0, b2, d2);
2129 tmp32_1 = tcg_const_i32(r1);
2130 tmp32_2 = tcg_const_i32(r3);
2131 potential_page_fault(s);
2132 gen_helper_stctg(tmp32_1, tmp, tmp32_2);
2133 tcg_temp_free_i64(tmp);
2134 tcg_temp_free_i32(tmp32_1);
2135 tcg_temp_free_i32(tmp32_2);
2136 break;
2137 #endif
2138 case 0x30: /* CSG R1,R3,D2(B2) [RSY] */
2139 tmp = get_address(s, 0, b2, d2);
2140 tmp32_1 = tcg_const_i32(r1);
2141 tmp32_2 = tcg_const_i32(r3);
2142 potential_page_fault(s);
2143 /* XXX rewrite in tcg */
2144 gen_helper_csg(cc_op, tmp32_1, tmp, tmp32_2);
2145 set_cc_static(s);
2146 tcg_temp_free_i64(tmp);
2147 tcg_temp_free_i32(tmp32_1);
2148 tcg_temp_free_i32(tmp32_2);
2149 break;
2150 case 0x3e: /* CDSG R1,R3,D2(B2) [RSY] */
2151 tmp = get_address(s, 0, b2, d2);
2152 tmp32_1 = tcg_const_i32(r1);
2153 tmp32_2 = tcg_const_i32(r3);
2154 potential_page_fault(s);
2155 /* XXX rewrite in tcg */
2156 gen_helper_cdsg(cc_op, tmp32_1, tmp, tmp32_2);
2157 set_cc_static(s);
2158 tcg_temp_free_i64(tmp);
2159 tcg_temp_free_i32(tmp32_1);
2160 tcg_temp_free_i32(tmp32_2);
2161 break;
2162 case 0x51: /* TMY D1(B1),I2 [SIY] */
2163 tmp = get_address(s, 0, b2, d2); /* SIY -> this is the destination */
2164 tmp2 = tcg_const_i64((r1 << 4) | r3);
2165 tcg_gen_qemu_ld8u(tmp, tmp, get_mem_index(s));
2166 /* yes, this is a 32 bit operation with 64 bit tcg registers, because
2167 that incurs less conversions */
2168 cmp_64(s, tmp, tmp2, CC_OP_TM_32);
2169 tcg_temp_free_i64(tmp);
2170 tcg_temp_free_i64(tmp2);
2171 break;
2172 case 0x52: /* MVIY D1(B1),I2 [SIY] */
2173 tmp = get_address(s, 0, b2, d2); /* SIY -> this is the destination */
2174 tmp2 = tcg_const_i64((r1 << 4) | r3);
2175 tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
2176 tcg_temp_free_i64(tmp);
2177 tcg_temp_free_i64(tmp2);
2178 break;
2179 case 0x55: /* CLIY D1(B1),I2 [SIY] */
2180 tmp3 = get_address(s, 0, b2, d2); /* SIY -> this is the 1st operand */
2181 tmp = tcg_temp_new_i64();
2182 tmp32_1 = tcg_temp_new_i32();
2183 tcg_gen_qemu_ld8u(tmp, tmp3, get_mem_index(s));
2184 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
2185 cmp_u32c(s, tmp32_1, (r1 << 4) | r3);
2186 tcg_temp_free_i64(tmp);
2187 tcg_temp_free_i64(tmp3);
2188 tcg_temp_free_i32(tmp32_1);
2189 break;
2190 case 0x80: /* ICMH R1,M3,D2(B2) [RSY] */
2191 tmp = get_address(s, 0, b2, d2);
2192 tmp32_1 = tcg_const_i32(r1);
2193 tmp32_2 = tcg_const_i32(r3);
2194 potential_page_fault(s);
2195 /* XXX split CC calculation out */
2196 gen_helper_icmh(cc_op, tmp32_1, tmp, tmp32_2);
2197 set_cc_static(s);
2198 tcg_temp_free_i64(tmp);
2199 tcg_temp_free_i32(tmp32_1);
2200 tcg_temp_free_i32(tmp32_2);
2201 break;
2202 default:
2203 LOG_DISAS("illegal eb operation 0x%x\n", op);
2204 gen_illegal_opcode(s, ilc);
2205 break;
2206 }
2207 }
2208
2209 static void disas_ed(DisasContext *s, int op, int r1, int x2, int b2, int d2,
2210 int r1b)
2211 {
2212 TCGv_i32 tmp_r1, tmp32;
2213 TCGv_i64 addr, tmp;
2214 addr = get_address(s, x2, b2, d2);
2215 tmp_r1 = tcg_const_i32(r1);
2216 switch (op) {
2217 case 0x5: /* LXDB R1,D2(X2,B2) [RXE] */
2218 potential_page_fault(s);
2219 gen_helper_lxdb(tmp_r1, addr);
2220 break;
2221 case 0x9: /* CEB R1,D2(X2,B2) [RXE] */
2222 tmp = tcg_temp_new_i64();
2223 tmp32 = load_freg32(r1);
2224 tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
2225 set_cc_cmp_f32_i64(s, tmp32, tmp);
2226 tcg_temp_free_i64(tmp);
2227 tcg_temp_free_i32(tmp32);
2228 break;
2229 case 0xa: /* AEB R1,D2(X2,B2) [RXE] */
2230 tmp = tcg_temp_new_i64();
2231 tmp32 = tcg_temp_new_i32();
2232 tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
2233 tcg_gen_trunc_i64_i32(tmp32, tmp);
2234 gen_helper_aeb(tmp_r1, tmp32);
2235 tcg_temp_free_i64(tmp);
2236 tcg_temp_free_i32(tmp32);
2237
2238 tmp32 = load_freg32(r1);
2239 set_cc_nz_f32(s, tmp32);
2240 tcg_temp_free_i32(tmp32);
2241 break;
2242 case 0xb: /* SEB R1,D2(X2,B2) [RXE] */
2243 tmp = tcg_temp_new_i64();
2244 tmp32 = tcg_temp_new_i32();
2245 tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
2246 tcg_gen_trunc_i64_i32(tmp32, tmp);
2247 gen_helper_seb(tmp_r1, tmp32);
2248 tcg_temp_free_i64(tmp);
2249 tcg_temp_free_i32(tmp32);
2250
2251 tmp32 = load_freg32(r1);
2252 set_cc_nz_f32(s, tmp32);
2253 tcg_temp_free_i32(tmp32);
2254 break;
2255 case 0xd: /* DEB R1,D2(X2,B2) [RXE] */
2256 tmp = tcg_temp_new_i64();
2257 tmp32 = tcg_temp_new_i32();
2258 tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
2259 tcg_gen_trunc_i64_i32(tmp32, tmp);
2260 gen_helper_deb(tmp_r1, tmp32);
2261 tcg_temp_free_i64(tmp);
2262 tcg_temp_free_i32(tmp32);
2263 break;
2264 case 0x10: /* TCEB R1,D2(X2,B2) [RXE] */
2265 potential_page_fault(s);
2266 gen_helper_tceb(cc_op, tmp_r1, addr);
2267 set_cc_static(s);
2268 break;
2269 case 0x11: /* TCDB R1,D2(X2,B2) [RXE] */
2270 potential_page_fault(s);
2271 gen_helper_tcdb(cc_op, tmp_r1, addr);
2272 set_cc_static(s);
2273 break;
2274 case 0x12: /* TCXB R1,D2(X2,B2) [RXE] */
2275 potential_page_fault(s);
2276 gen_helper_tcxb(cc_op, tmp_r1, addr);
2277 set_cc_static(s);
2278 break;
2279 case 0x17: /* MEEB R1,D2(X2,B2) [RXE] */
2280 tmp = tcg_temp_new_i64();
2281 tmp32 = tcg_temp_new_i32();
2282 tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
2283 tcg_gen_trunc_i64_i32(tmp32, tmp);
2284 gen_helper_meeb(tmp_r1, tmp32);
2285 tcg_temp_free_i64(tmp);
2286 tcg_temp_free_i32(tmp32);
2287 break;
2288 case 0x19: /* CDB R1,D2(X2,B2) [RXE] */
2289 potential_page_fault(s);
2290 gen_helper_cdb(cc_op, tmp_r1, addr);
2291 set_cc_static(s);
2292 break;
2293 case 0x1a: /* ADB R1,D2(X2,B2) [RXE] */
2294 potential_page_fault(s);
2295 gen_helper_adb(cc_op, tmp_r1, addr);
2296 set_cc_static(s);
2297 break;
2298 case 0x1b: /* SDB R1,D2(X2,B2) [RXE] */
2299 potential_page_fault(s);
2300 gen_helper_sdb(cc_op, tmp_r1, addr);
2301 set_cc_static(s);
2302 break;
2303 case 0x1c: /* MDB R1,D2(X2,B2) [RXE] */
2304 potential_page_fault(s);
2305 gen_helper_mdb(tmp_r1, addr);
2306 break;
2307 case 0x1d: /* DDB R1,D2(X2,B2) [RXE] */
2308 potential_page_fault(s);
2309 gen_helper_ddb(tmp_r1, addr);
2310 break;
2311 case 0x1e: /* MADB R1,R3,D2(X2,B2) [RXF] */
2312 /* for RXF insns, r1 is R3 and r1b is R1 */
2313 tmp32 = tcg_const_i32(r1b);
2314 potential_page_fault(s);
2315 gen_helper_madb(tmp32, addr, tmp_r1);
2316 tcg_temp_free_i32(tmp32);
2317 break;
2318 default:
2319 LOG_DISAS("illegal ed operation 0x%x\n", op);
2320 gen_illegal_opcode(s, 3);
2321 return;
2322 }
2323 tcg_temp_free_i32(tmp_r1);
2324 tcg_temp_free_i64(addr);
2325 }
2326
2327 static void disas_a5(DisasContext *s, int op, int r1, int i2)
2328 {
2329 TCGv_i64 tmp, tmp2;
2330 TCGv_i32 tmp32;
2331 LOG_DISAS("disas_a5: op 0x%x r1 %d i2 0x%x\n", op, r1, i2);
2332 switch (op) {
2333 case 0x0: /* IIHH R1,I2 [RI] */
2334 tmp = tcg_const_i64(i2);
2335 tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 48, 16);
2336 tcg_temp_free_i64(tmp);
2337 break;
2338 case 0x1: /* IIHL R1,I2 [RI] */
2339 tmp = tcg_const_i64(i2);
2340 tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 32, 16);
2341 tcg_temp_free_i64(tmp);
2342 break;
2343 case 0x2: /* IILH R1,I2 [RI] */
2344 tmp = tcg_const_i64(i2);
2345 tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 16, 16);
2346 tcg_temp_free_i64(tmp);
2347 break;
2348 case 0x3: /* IILL R1,I2 [RI] */
2349 tmp = tcg_const_i64(i2);
2350 tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 0, 16);
2351 tcg_temp_free_i64(tmp);
2352 break;
2353 case 0x4: /* NIHH R1,I2 [RI] */
2354 case 0x8: /* OIHH R1,I2 [RI] */
2355 tmp = load_reg(r1);
2356 tmp32 = tcg_temp_new_i32();
2357 switch (op) {
2358 case 0x4:
2359 tmp2 = tcg_const_i64((((uint64_t)i2) << 48)
2360 | 0x0000ffffffffffffULL);
2361 tcg_gen_and_i64(tmp, tmp, tmp2);
2362 break;
2363 case 0x8:
2364 tmp2 = tcg_const_i64(((uint64_t)i2) << 48);
2365 tcg_gen_or_i64(tmp, tmp, tmp2);
2366 break;
2367 default:
2368 tcg_abort();
2369 }
2370 store_reg(r1, tmp);
2371 tcg_gen_shri_i64(tmp2, tmp, 48);
2372 tcg_gen_trunc_i64_i32(tmp32, tmp2);
2373 set_cc_nz_u32(s, tmp32);
2374 tcg_temp_free_i64(tmp2);
2375 tcg_temp_free_i32(tmp32);
2376 tcg_temp_free_i64(tmp);
2377 break;
2378 case 0x5: /* NIHL R1,I2 [RI] */
2379 case 0x9: /* OIHL R1,I2 [RI] */
2380 tmp = load_reg(r1);
2381 tmp32 = tcg_temp_new_i32();
2382 switch (op) {
2383 case 0x5:
2384 tmp2 = tcg_const_i64((((uint64_t)i2) << 32)
2385 | 0xffff0000ffffffffULL);
2386 tcg_gen_and_i64(tmp, tmp, tmp2);
2387 break;
2388 case 0x9:
2389 tmp2 = tcg_const_i64(((uint64_t)i2) << 32);
2390 tcg_gen_or_i64(tmp, tmp, tmp2);
2391 break;
2392 default:
2393 tcg_abort();
2394 }
2395 store_reg(r1, tmp);
2396 tcg_gen_shri_i64(tmp2, tmp, 32);
2397 tcg_gen_trunc_i64_i32(tmp32, tmp2);
2398 tcg_gen_andi_i32(tmp32, tmp32, 0xffff);
2399 set_cc_nz_u32(s, tmp32);
2400 tcg_temp_free_i64(tmp2);
2401 tcg_temp_free_i32(tmp32);
2402 tcg_temp_free_i64(tmp);
2403 break;
2404 case 0x6: /* NILH R1,I2 [RI] */
2405 case 0xa: /* OILH R1,I2 [RI] */
2406 tmp = load_reg(r1);
2407 tmp32 = tcg_temp_new_i32();
2408 switch (op) {
2409 case 0x6:
2410 tmp2 = tcg_const_i64((((uint64_t)i2) << 16)
2411 | 0xffffffff0000ffffULL);
2412 tcg_gen_and_i64(tmp, tmp, tmp2);
2413 break;
2414 case 0xa:
2415 tmp2 = tcg_const_i64(((uint64_t)i2) << 16);
2416 tcg_gen_or_i64(tmp, tmp, tmp2);
2417 break;
2418 default:
2419 tcg_abort();
2420 }
2421 store_reg(r1, tmp);
2422 tcg_gen_shri_i64(tmp, tmp, 16);
2423 tcg_gen_trunc_i64_i32(tmp32, tmp);
2424 tcg_gen_andi_i32(tmp32, tmp32, 0xffff);
2425 set_cc_nz_u32(s, tmp32);
2426 tcg_temp_free_i64(tmp2);
2427 tcg_temp_free_i32(tmp32);
2428 tcg_temp_free_i64(tmp);
2429 break;
2430 case 0x7: /* NILL R1,I2 [RI] */
2431 case 0xb: /* OILL R1,I2 [RI] */
2432 tmp = load_reg(r1);
2433 tmp32 = tcg_temp_new_i32();
2434 switch (op) {
2435 case 0x7:
2436 tmp2 = tcg_const_i64(i2 | 0xffffffffffff0000ULL);
2437 tcg_gen_and_i64(tmp, tmp, tmp2);
2438 break;
2439 case 0xb:
2440 tmp2 = tcg_const_i64(i2);
2441 tcg_gen_or_i64(tmp, tmp, tmp2);
2442 break;
2443 default:
2444 tcg_abort();
2445 }
2446 store_reg(r1, tmp);
2447 tcg_gen_trunc_i64_i32(tmp32, tmp);
2448 tcg_gen_andi_i32(tmp32, tmp32, 0xffff);
2449 set_cc_nz_u32(s, tmp32); /* signedness should not matter here */
2450 tcg_temp_free_i64(tmp2);
2451 tcg_temp_free_i32(tmp32);
2452 tcg_temp_free_i64(tmp);
2453 break;
2454 case 0xc: /* LLIHH R1,I2 [RI] */
2455 tmp = tcg_const_i64( ((uint64_t)i2) << 48 );
2456 store_reg(r1, tmp);
2457 tcg_temp_free_i64(tmp);
2458 break;
2459 case 0xd: /* LLIHL R1,I2 [RI] */
2460 tmp = tcg_const_i64( ((uint64_t)i2) << 32 );
2461 store_reg(r1, tmp);
2462 tcg_temp_free_i64(tmp);
2463 break;
2464 case 0xe: /* LLILH R1,I2 [RI] */
2465 tmp = tcg_const_i64( ((uint64_t)i2) << 16 );
2466 store_reg(r1, tmp);
2467 tcg_temp_free_i64(tmp);
2468 break;
2469 case 0xf: /* LLILL R1,I2 [RI] */
2470 tmp = tcg_const_i64(i2);
2471 store_reg(r1, tmp);
2472 tcg_temp_free_i64(tmp);
2473 break;
2474 default:
2475 LOG_DISAS("illegal a5 operation 0x%x\n", op);
2476 gen_illegal_opcode(s, 2);
2477 return;
2478 }
2479 }
2480
2481 static void disas_a7(DisasContext *s, int op, int r1, int i2)
2482 {
2483 TCGv_i64 tmp, tmp2;
2484 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
2485 int l1;
2486
2487 LOG_DISAS("disas_a7: op 0x%x r1 %d i2 0x%x\n", op, r1, i2);
2488 switch (op) {
2489 case 0x0: /* TMLH or TMH R1,I2 [RI] */
2490 case 0x1: /* TMLL or TML R1,I2 [RI] */
2491 case 0x2: /* TMHH R1,I2 [RI] */
2492 case 0x3: /* TMHL R1,I2 [RI] */
2493 tmp = load_reg(r1);
2494 tmp2 = tcg_const_i64((uint16_t)i2);
2495 switch (op) {
2496 case 0x0:
2497 tcg_gen_shri_i64(tmp, tmp, 16);
2498 break;
2499 case 0x1:
2500 break;
2501 case 0x2:
2502 tcg_gen_shri_i64(tmp, tmp, 48);
2503 break;
2504 case 0x3:
2505 tcg_gen_shri_i64(tmp, tmp, 32);
2506 break;
2507 }
2508 tcg_gen_andi_i64(tmp, tmp, 0xffff);
2509 cmp_64(s, tmp, tmp2, CC_OP_TM_64);
2510 tcg_temp_free_i64(tmp);
2511 tcg_temp_free_i64(tmp2);
2512 break;
2513 case 0x4: /* brc m1, i2 */
2514 gen_brc(r1, s, i2 * 2LL);
2515 return;
2516 case 0x5: /* BRAS R1,I2 [RI] */
2517 tmp = tcg_const_i64(pc_to_link_info(s, s->pc + 4));
2518 store_reg(r1, tmp);
2519 tcg_temp_free_i64(tmp);
2520 gen_goto_tb(s, 0, s->pc + i2 * 2LL);
2521 s->is_jmp = DISAS_TB_JUMP;
2522 break;
2523 case 0x6: /* BRCT R1,I2 [RI] */
2524 tmp32_1 = load_reg32(r1);
2525 tcg_gen_subi_i32(tmp32_1, tmp32_1, 1);
2526 store_reg32(r1, tmp32_1);
2527 gen_update_cc_op(s);
2528 l1 = gen_new_label();
2529 tcg_gen_brcondi_i32(TCG_COND_EQ, tmp32_1, 0, l1);
2530 gen_goto_tb(s, 0, s->pc + (i2 * 2LL));
2531 gen_set_label(l1);
2532 gen_goto_tb(s, 1, s->pc + 4);
2533 s->is_jmp = DISAS_TB_JUMP;
2534 tcg_temp_free_i32(tmp32_1);
2535 break;
2536 case 0x7: /* BRCTG R1,I2 [RI] */
2537 tmp = load_reg(r1);
2538 tcg_gen_subi_i64(tmp, tmp, 1);
2539 store_reg(r1, tmp);
2540 gen_update_cc_op(s);
2541 l1 = gen_new_label();
2542 tcg_gen_brcondi_i64(TCG_COND_EQ, tmp, 0, l1);
2543 gen_goto_tb(s, 0, s->pc + (i2 * 2LL));
2544 gen_set_label(l1);
2545 gen_goto_tb(s, 1, s->pc + 4);
2546 s->is_jmp = DISAS_TB_JUMP;
2547 tcg_temp_free_i64(tmp);
2548 break;
2549 case 0x8: /* lhi r1, i2 */
2550 tmp32_1 = tcg_const_i32(i2);
2551 store_reg32(r1, tmp32_1);
2552 tcg_temp_free_i32(tmp32_1);
2553 break;
2554 case 0x9: /* lghi r1, i2 */
2555 tmp = tcg_const_i64(i2);
2556 store_reg(r1, tmp);
2557 tcg_temp_free_i64(tmp);
2558 break;
2559 case 0xa: /* AHI R1,I2 [RI] */
2560 tmp32_1 = load_reg32(r1);
2561 tmp32_2 = tcg_temp_new_i32();
2562 tmp32_3 = tcg_const_i32(i2);
2563
2564 if (i2 < 0) {
2565 tcg_gen_subi_i32(tmp32_2, tmp32_1, -i2);
2566 } else {
2567 tcg_gen_add_i32(tmp32_2, tmp32_1, tmp32_3);
2568 }
2569
2570 store_reg32(r1, tmp32_2);
2571 set_cc_add32(s, tmp32_1, tmp32_3, tmp32_2);
2572 tcg_temp_free_i32(tmp32_1);
2573 tcg_temp_free_i32(tmp32_2);
2574 tcg_temp_free_i32(tmp32_3);
2575 break;
2576 case 0xb: /* aghi r1, i2 */
2577 tmp = load_reg(r1);
2578 tmp2 = tcg_const_i64(i2);
2579
2580 if (i2 < 0) {
2581 tcg_gen_subi_i64(regs[r1], tmp, -i2);
2582 } else {
2583 tcg_gen_add_i64(regs[r1], tmp, tmp2);
2584 }
2585 set_cc_add64(s, tmp, tmp2, regs[r1]);
2586 tcg_temp_free_i64(tmp);
2587 tcg_temp_free_i64(tmp2);
2588 break;
2589 case 0xc: /* MHI R1,I2 [RI] */
2590 tmp32_1 = load_reg32(r1);
2591 tcg_gen_muli_i32(tmp32_1, tmp32_1, i2);
2592 store_reg32(r1, tmp32_1);
2593 tcg_temp_free_i32(tmp32_1);
2594 break;
2595 case 0xd: /* MGHI R1,I2 [RI] */
2596 tmp = load_reg(r1);
2597 tcg_gen_muli_i64(tmp, tmp, i2);
2598 store_reg(r1, tmp);
2599 tcg_temp_free_i64(tmp);
2600 break;
2601 case 0xe: /* CHI R1,I2 [RI] */
2602 tmp32_1 = load_reg32(r1);
2603 cmp_s32c(s, tmp32_1, i2);
2604 tcg_temp_free_i32(tmp32_1);
2605 break;
2606 case 0xf: /* CGHI R1,I2 [RI] */
2607 tmp = load_reg(r1);
2608 cmp_s64c(s, tmp, i2);
2609 tcg_temp_free_i64(tmp);
2610 break;
2611 default:
2612 LOG_DISAS("illegal a7 operation 0x%x\n", op);
2613 gen_illegal_opcode(s, 2);
2614 return;
2615 }
2616 }
2617
2618 static void disas_b2(DisasContext *s, int op, uint32_t insn)
2619 {
2620 TCGv_i64 tmp, tmp2, tmp3;
2621 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
2622 int r1, r2;
2623 int ilc = 2;
2624 #ifndef CONFIG_USER_ONLY
2625 int r3, d2, b2;
2626 #endif
2627
2628 r1 = (insn >> 4) & 0xf;
2629 r2 = insn & 0xf;
2630
2631 LOG_DISAS("disas_b2: op 0x%x r1 %d r2 %d\n", op, r1, r2);
2632
2633 switch (op) {
2634 case 0x22: /* IPM R1 [RRE] */
2635 tmp32_1 = tcg_const_i32(r1);
2636 gen_op_calc_cc(s);
2637 gen_helper_ipm(cc_op, tmp32_1);
2638 tcg_temp_free_i32(tmp32_1);
2639 break;
2640 case 0x41: /* CKSM R1,R2 [RRE] */
2641 tmp32_1 = tcg_const_i32(r1);
2642 tmp32_2 = tcg_const_i32(r2);
2643 potential_page_fault(s);
2644 gen_helper_cksm(tmp32_1, tmp32_2);
2645 tcg_temp_free_i32(tmp32_1);
2646 tcg_temp_free_i32(tmp32_2);
2647 gen_op_movi_cc(s, 0);
2648 break;
2649 case 0x4e: /* SAR R1,R2 [RRE] */
2650 tmp32_1 = load_reg32(r2);
2651 tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUState, aregs[r1]));
2652 tcg_temp_free_i32(tmp32_1);
2653 break;
2654 case 0x4f: /* EAR R1,R2 [RRE] */
2655 tmp32_1 = tcg_temp_new_i32();
2656 tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUState, aregs[r2]));
2657 store_reg32(r1, tmp32_1);
2658 tcg_temp_free_i32(tmp32_1);
2659 break;
2660 case 0x52: /* MSR R1,R2 [RRE] */
2661 tmp32_1 = load_reg32(r1);
2662 tmp32_2 = load_reg32(r2);
2663 tcg_gen_mul_i32(tmp32_1, tmp32_1, tmp32_2);
2664 store_reg32(r1, tmp32_1);
2665 tcg_temp_free_i32(tmp32_1);
2666 tcg_temp_free_i32(tmp32_2);
2667 break;
2668 case 0x54: /* MVPG R1,R2 [RRE] */
2669 tmp = load_reg(0);
2670 tmp2 = load_reg(r1);
2671 tmp3 = load_reg(r2);
2672 potential_page_fault(s);
2673 gen_helper_mvpg(tmp, tmp2, tmp3);
2674 tcg_temp_free_i64(tmp);
2675 tcg_temp_free_i64(tmp2);
2676 tcg_temp_free_i64(tmp3);
2677 /* XXX check CCO bit and set CC accordingly */
2678 gen_op_movi_cc(s, 0);
2679 break;
2680 case 0x55: /* MVST R1,R2 [RRE] */
2681 tmp32_1 = load_reg32(0);
2682 tmp32_2 = tcg_const_i32(r1);
2683 tmp32_3 = tcg_const_i32(r2);
2684 potential_page_fault(s);
2685 gen_helper_mvst(tmp32_1, tmp32_2, tmp32_3);
2686 tcg_temp_free_i32(tmp32_1);
2687 tcg_temp_free_i32(tmp32_2);
2688 tcg_temp_free_i32(tmp32_3);
2689 gen_op_movi_cc(s, 1);
2690 break;
2691 case 0x5d: /* CLST R1,R2 [RRE] */
2692 tmp32_1 = load_reg32(0);
2693 tmp32_2 = tcg_const_i32(r1);
2694 tmp32_3 = tcg_const_i32(r2);
2695 potential_page_fault(s);
2696 gen_helper_clst(cc_op, tmp32_1, tmp32_2, tmp32_3);
2697 set_cc_static(s);
2698 tcg_temp_free_i32(tmp32_1);
2699 tcg_temp_free_i32(tmp32_2);
2700 tcg_temp_free_i32(tmp32_3);
2701 break;
2702 case 0x5e: /* SRST R1,R2 [RRE] */
2703 tmp32_1 = load_reg32(0);
2704 tmp32_2 = tcg_const_i32(r1);
2705 tmp32_3 = tcg_const_i32(r2);
2706 potential_page_fault(s);
2707 gen_helper_srst(cc_op, tmp32_1, tmp32_2, tmp32_3);
2708 set_cc_static(s);
2709 tcg_temp_free_i32(tmp32_1);
2710 tcg_temp_free_i32(tmp32_2);
2711 tcg_temp_free_i32(tmp32_3);
2712 break;
2713
2714 #ifndef CONFIG_USER_ONLY
2715 case 0x02: /* STIDP D2(B2) [S] */
2716 /* Store CPU ID */
2717 check_privileged(s, ilc);
2718 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2719 tmp = get_address(s, 0, b2, d2);
2720 potential_page_fault(s);
2721 gen_helper_stidp(tmp);
2722 tcg_temp_free_i64(tmp);
2723 break;
2724 case 0x04: /* SCK D2(B2) [S] */
2725 /* Set Clock */
2726 check_privileged(s, ilc);
2727 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2728 tmp = get_address(s, 0, b2, d2);
2729 potential_page_fault(s);
2730 gen_helper_sck(cc_op, tmp);
2731 set_cc_static(s);
2732 tcg_temp_free_i64(tmp);
2733 break;
2734 case 0x05: /* STCK D2(B2) [S] */
2735 /* Store Clock */
2736 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2737 tmp = get_address(s, 0, b2, d2);
2738 potential_page_fault(s);
2739 gen_helper_stck(cc_op, tmp);
2740 set_cc_static(s);
2741 tcg_temp_free_i64(tmp);
2742 break;
2743 case 0x06: /* SCKC D2(B2) [S] */
2744 /* Set Clock Comparator */
2745 check_privileged(s, ilc);
2746 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2747 tmp = get_address(s, 0, b2, d2);
2748 potential_page_fault(s);
2749 gen_helper_sckc(tmp);
2750 tcg_temp_free_i64(tmp);
2751 break;
2752 case 0x07: /* STCKC D2(B2) [S] */
2753 /* Store Clock Comparator */
2754 check_privileged(s, ilc);
2755 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2756 tmp = get_address(s, 0, b2, d2);
2757 potential_page_fault(s);
2758 gen_helper_stckc(tmp);
2759 tcg_temp_free_i64(tmp);
2760 break;
2761 case 0x08: /* SPT D2(B2) [S] */
2762 /* Set CPU Timer */
2763 check_privileged(s, ilc);
2764 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2765 tmp = get_address(s, 0, b2, d2);
2766 potential_page_fault(s);
2767 gen_helper_spt(tmp);
2768 tcg_temp_free_i64(tmp);
2769 break;
2770 case 0x09: /* STPT D2(B2) [S] */
2771 /* Store CPU Timer */
2772 check_privileged(s, ilc);
2773 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2774 tmp = get_address(s, 0, b2, d2);
2775 potential_page_fault(s);
2776 gen_helper_stpt(tmp);
2777 tcg_temp_free_i64(tmp);
2778 break;
2779 case 0x0a: /* SPKA D2(B2) [S] */
2780 /* Set PSW Key from Address */
2781 check_privileged(s, ilc);
2782 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2783 tmp = get_address(s, 0, b2, d2);
2784 tmp2 = tcg_temp_new_i64();
2785 tcg_gen_andi_i64(tmp2, psw_mask, ~PSW_MASK_KEY);
2786 tcg_gen_shli_i64(tmp, tmp, PSW_SHIFT_KEY - 4);
2787 tcg_gen_or_i64(psw_mask, tmp2, tmp);
2788 tcg_temp_free_i64(tmp2);
2789 tcg_temp_free_i64(tmp);
2790 break;
2791 case 0x0d: /* PTLB [S] */
2792 /* Purge TLB */
2793 check_privileged(s, ilc);
2794 gen_helper_ptlb();
2795 break;
2796 case 0x10: /* SPX D2(B2) [S] */
2797 /* Set Prefix Register */
2798 check_privileged(s, ilc);
2799 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2800 tmp = get_address(s, 0, b2, d2);
2801 potential_page_fault(s);
2802 gen_helper_spx(tmp);
2803 tcg_temp_free_i64(tmp);
2804 break;
2805 case 0x11: /* STPX D2(B2) [S] */
2806 /* Store Prefix */
2807 check_privileged(s, ilc);
2808 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2809 tmp = get_address(s, 0, b2, d2);
2810 tmp2 = tcg_temp_new_i64();
2811 tcg_gen_ld_i64(tmp2, cpu_env, offsetof(CPUState, psa));
2812 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
2813 tcg_temp_free_i64(tmp);
2814 tcg_temp_free_i64(tmp2);
2815 break;
2816 case 0x12: /* STAP D2(B2) [S] */
2817 /* Store CPU Address */
2818 check_privileged(s, ilc);
2819 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2820 tmp = get_address(s, 0, b2, d2);
2821 tmp2 = tcg_temp_new_i64();
2822 tmp32_1 = tcg_temp_new_i32();
2823 tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUState, cpu_num));
2824 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
2825 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
2826 tcg_temp_free_i64(tmp);
2827 tcg_temp_free_i64(tmp2);
2828 tcg_temp_free_i32(tmp32_1);
2829 break;
2830 case 0x21: /* IPTE R1,R2 [RRE] */
2831 /* Invalidate PTE */
2832 check_privileged(s, ilc);
2833 r1 = (insn >> 4) & 0xf;
2834 r2 = insn & 0xf;
2835 tmp = load_reg(r1);
2836 tmp2 = load_reg(r2);
2837 gen_helper_ipte(tmp, tmp2);
2838 tcg_temp_free_i64(tmp);
2839 tcg_temp_free_i64(tmp2);
2840 break;
2841 case 0x29: /* ISKE R1,R2 [RRE] */
2842 /* Insert Storage Key Extended */
2843 check_privileged(s, ilc);
2844 r1 = (insn >> 4) & 0xf;
2845 r2 = insn & 0xf;
2846 tmp = load_reg(r2);
2847 tmp2 = tcg_temp_new_i64();
2848 gen_helper_iske(tmp2, tmp);
2849 store_reg(r1, tmp2);
2850 tcg_temp_free_i64(tmp);
2851 tcg_temp_free_i64(tmp2);
2852 break;
2853 case 0x2a: /* RRBE R1,R2 [RRE] */
2854 /* Set Storage Key Extended */
2855 check_privileged(s, ilc);
2856 r1 = (insn >> 4) & 0xf;
2857 r2 = insn & 0xf;
2858 tmp32_1 = load_reg32(r1);
2859 tmp = load_reg(r2);
2860 gen_helper_rrbe(cc_op, tmp32_1, tmp);
2861 set_cc_static(s);
2862 tcg_temp_free_i32(tmp32_1);
2863 tcg_temp_free_i64(tmp);
2864 break;
2865 case 0x2b: /* SSKE R1,R2 [RRE] */
2866 /* Set Storage Key Extended */
2867 check_privileged(s, ilc);
2868 r1 = (insn >> 4) & 0xf;
2869 r2 = insn & 0xf;
2870 tmp32_1 = load_reg32(r1);
2871 tmp = load_reg(r2);
2872 gen_helper_sske(tmp32_1, tmp);
2873 tcg_temp_free_i32(tmp32_1);
2874 tcg_temp_free_i64(tmp);
2875 break;
2876 case 0x34: /* STCH ? */
2877 /* Store Subchannel */
2878 check_privileged(s, ilc);
2879 gen_op_movi_cc(s, 3);
2880 break;
2881 case 0x46: /* STURA R1,R2 [RRE] */
2882 /* Store Using Real Address */
2883 check_privileged(s, ilc);
2884 r1 = (insn >> 4) & 0xf;
2885 r2 = insn & 0xf;
2886 tmp32_1 = load_reg32(r1);
2887 tmp = load_reg(r2);
2888 potential_page_fault(s);
2889 gen_helper_stura(tmp, tmp32_1);
2890 tcg_temp_free_i32(tmp32_1);
2891 tcg_temp_free_i64(tmp);
2892 break;
2893 case 0x50: /* CSP R1,R2 [RRE] */
2894 /* Compare And Swap And Purge */
2895 check_privileged(s, ilc);
2896 r1 = (insn >> 4) & 0xf;
2897 r2 = insn & 0xf;
2898 tmp32_1 = tcg_const_i32(r1);
2899 tmp32_2 = tcg_const_i32(r2);
2900 gen_helper_csp(cc_op, tmp32_1, tmp32_2);
2901 set_cc_static(s);
2902 tcg_temp_free_i32(tmp32_1);
2903 tcg_temp_free_i32(tmp32_2);
2904 break;
2905 case 0x5f: /* CHSC ? */
2906 /* Channel Subsystem Call */
2907 check_privileged(s, ilc);
2908 gen_op_movi_cc(s, 3);
2909 break;
2910 case 0x78: /* STCKE D2(B2) [S] */
2911 /* Store Clock Extended */
2912 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2913 tmp = get_address(s, 0, b2, d2);
2914 potential_page_fault(s);
2915 gen_helper_stcke(cc_op, tmp);
2916 set_cc_static(s);
2917 tcg_temp_free_i64(tmp);
2918 break;
2919 case 0x79: /* SACF D2(B2) [S] */
2920 /* Store Clock Extended */
2921 check_privileged(s, ilc);
2922 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2923 tmp = get_address(s, 0, b2, d2);
2924 potential_page_fault(s);
2925 gen_helper_sacf(tmp);
2926 tcg_temp_free_i64(tmp);
2927 /* addressing mode has changed, so end the block */
2928 s->pc += ilc * 2;
2929 update_psw_addr(s);
2930 s->is_jmp = DISAS_EXCP;
2931 break;
2932 case 0x7d: /* STSI D2,(B2) [S] */
2933 check_privileged(s, ilc);
2934 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2935 tmp = get_address(s, 0, b2, d2);
2936 tmp32_1 = load_reg32(0);
2937 tmp32_2 = load_reg32(1);
2938 potential_page_fault(s);
2939 gen_helper_stsi(cc_op, tmp, tmp32_1, tmp32_2);
2940 set_cc_static(s);
2941 tcg_temp_free_i64(tmp);
2942 tcg_temp_free_i32(tmp32_1);
2943 tcg_temp_free_i32(tmp32_2);
2944 break;
2945 case 0x9d: /* LFPC D2(B2) [S] */
2946 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2947 tmp = get_address(s, 0, b2, d2);
2948 tmp2 = tcg_temp_new_i64();
2949 tmp32_1 = tcg_temp_new_i32();
2950 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
2951 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
2952 tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUState, fpc));
2953 tcg_temp_free_i64(tmp);
2954 tcg_temp_free_i64(tmp2);
2955 tcg_temp_free_i32(tmp32_1);
2956 break;
2957 case 0xb1: /* STFL D2(B2) [S] */
2958 /* Store Facility List (CPU features) at 200 */
2959 check_privileged(s, ilc);
2960 tmp2 = tcg_const_i64(0xc0000000);
2961 tmp = tcg_const_i64(200);
2962 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
2963 tcg_temp_free_i64(tmp2);
2964 tcg_temp_free_i64(tmp);
2965 break;
2966 case 0xb2: /* LPSWE D2(B2) [S] */
2967 /* Load PSW Extended */
2968 check_privileged(s, ilc);
2969 decode_rs(s, insn, &r1, &r3, &b2, &d2);
2970 tmp = get_address(s, 0, b2, d2);
2971 tmp2 = tcg_temp_new_i64();
2972 tmp3 = tcg_temp_new_i64();
2973 tcg_gen_qemu_ld64(tmp2, tmp, get_mem_index(s));
2974 tcg_gen_addi_i64(tmp, tmp, 8);
2975 tcg_gen_qemu_ld64(tmp3, tmp, get_mem_index(s));
2976 gen_helper_load_psw(tmp2, tmp3);
2977 /* we need to keep cc_op intact */
2978 s->is_jmp = DISAS_JUMP;
2979 tcg_temp_free_i64(tmp);
2980 tcg_temp_free_i64(tmp2);
2981 tcg_temp_free_i64(tmp3);
2982 break;
2983 case 0x20: /* SERVC R1,R2 [RRE] */
2984 /* SCLP Service call (PV hypercall) */
2985 check_privileged(s, ilc);
2986 potential_page_fault(s);
2987 tmp32_1 = load_reg32(r2);
2988 tmp = load_reg(r1);
2989 gen_helper_servc(cc_op, tmp32_1, tmp);
2990 set_cc_static(s);
2991 tcg_temp_free_i32(tmp32_1);
2992 tcg_temp_free_i64(tmp);
2993 break;
2994 #endif
2995 default:
2996 LOG_DISAS("illegal b2 operation 0x%x\n", op);
2997 gen_illegal_opcode(s, ilc);
2998 break;
2999 }
3000 }
3001
3002 static void disas_b3(DisasContext *s, int op, int m3, int r1, int r2)
3003 {
3004 TCGv_i64 tmp;
3005 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
3006 LOG_DISAS("disas_b3: op 0x%x m3 0x%x r1 %d r2 %d\n", op, m3, r1, r2);
3007 #define FP_HELPER(i) \
3008 tmp32_1 = tcg_const_i32(r1); \
3009 tmp32_2 = tcg_const_i32(r2); \
3010 gen_helper_ ## i (tmp32_1, tmp32_2); \
3011 tcg_temp_free_i32(tmp32_1); \
3012 tcg_temp_free_i32(tmp32_2);
3013
3014 #define FP_HELPER_CC(i) \
3015 tmp32_1 = tcg_const_i32(r1); \
3016 tmp32_2 = tcg_const_i32(r2); \
3017 gen_helper_ ## i (cc_op, tmp32_1, tmp32_2); \
3018 set_cc_static(s); \
3019 tcg_temp_free_i32(tmp32_1); \
3020 tcg_temp_free_i32(tmp32_2);
3021
3022 switch (op) {
3023 case 0x0: /* LPEBR R1,R2 [RRE] */
3024 FP_HELPER_CC(lpebr);
3025 break;
3026 case 0x2: /* LTEBR R1,R2 [RRE] */
3027 FP_HELPER_CC(ltebr);
3028 break;
3029 case 0x3: /* LCEBR R1,R2 [RRE] */
3030 FP_HELPER_CC(lcebr);
3031 break;
3032 case 0x4: /* LDEBR R1,R2 [RRE] */
3033 FP_HELPER(ldebr);
3034 break;
3035 case 0x5: /* LXDBR R1,R2 [RRE] */
3036 FP_HELPER(lxdbr);
3037 break;
3038 case 0x9: /* CEBR R1,R2 [RRE] */
3039 FP_HELPER_CC(cebr);
3040 break;
3041 case 0xa: /* AEBR R1,R2 [RRE] */
3042 FP_HELPER_CC(aebr);
3043 break;
3044 case 0xb: /* SEBR R1,R2 [RRE] */
3045 FP_HELPER_CC(sebr);
3046 break;
3047 case 0xd: /* DEBR R1,R2 [RRE] */
3048 FP_HELPER(debr);
3049 break;
3050 case 0x10: /* LPDBR R1,R2 [RRE] */
3051 FP_HELPER_CC(lpdbr);
3052 break;
3053 case 0x12: /* LTDBR R1,R2 [RRE] */
3054 FP_HELPER_CC(ltdbr);
3055 break;
3056 case 0x13: /* LCDBR R1,R2 [RRE] */
3057 FP_HELPER_CC(lcdbr);
3058 break;
3059 case 0x15: /* SQBDR R1,R2 [RRE] */
3060 FP_HELPER(sqdbr);
3061 break;
3062 case 0x17: /* MEEBR R1,R2 [RRE] */
3063 FP_HELPER(meebr);
3064 break;
3065 case 0x19: /* CDBR R1,R2 [RRE] */
3066 FP_HELPER_CC(cdbr);
3067 break;
3068 case 0x1a: /* ADBR R1,R2 [RRE] */
3069 FP_HELPER_CC(adbr);
3070 break;
3071 case 0x1b: /* SDBR R1,R2 [RRE] */
3072 FP_HELPER_CC(sdbr);
3073 break;
3074 case 0x1c: /* MDBR R1,R2 [RRE] */
3075 FP_HELPER(mdbr);
3076 break;
3077 case 0x1d: /* DDBR R1,R2 [RRE] */
3078 FP_HELPER(ddbr);
3079 break;
3080 case 0xe: /* MAEBR R1,R3,R2 [RRF] */
3081 case 0x1e: /* MADBR R1,R3,R2 [RRF] */
3082 case 0x1f: /* MSDBR R1,R3,R2 [RRF] */
3083 /* for RRF insns, m3 is R1, r1 is R3, and r2 is R2 */
3084 tmp32_1 = tcg_const_i32(m3);
3085 tmp32_2 = tcg_const_i32(r2);
3086 tmp32_3 = tcg_const_i32(r1);
3087 switch (op) {
3088 case 0xe:
3089 gen_helper_maebr(tmp32_1, tmp32_3, tmp32_2);
3090 break;
3091 case 0x1e:
3092 gen_helper_madbr(tmp32_1, tmp32_3, tmp32_2);
3093 break;
3094 case 0x1f:
3095 gen_helper_msdbr(tmp32_1, tmp32_3, tmp32_2);
3096 break;
3097 default:
3098 tcg_abort();
3099 }
3100 tcg_temp_free_i32(tmp32_1);
3101 tcg_temp_free_i32(tmp32_2);
3102 tcg_temp_free_i32(tmp32_3);
3103 break;
3104 case 0x40: /* LPXBR R1,R2 [RRE] */
3105 FP_HELPER_CC(lpxbr);
3106 break;
3107 case 0x42: /* LTXBR R1,R2 [RRE] */
3108 FP_HELPER_CC(ltxbr);
3109 break;
3110 case 0x43: /* LCXBR R1,R2 [RRE] */
3111 FP_HELPER_CC(lcxbr);
3112 break;
3113 case 0x44: /* LEDBR R1,R2 [RRE] */
3114 FP_HELPER(ledbr);
3115 break;
3116 case 0x45: /* LDXBR R1,R2 [RRE] */
3117 FP_HELPER(ldxbr);
3118 break;
3119 case 0x46: /* LEXBR R1,R2 [RRE] */
3120 FP_HELPER(lexbr);
3121 break;
3122 case 0x49: /* CXBR R1,R2 [RRE] */
3123 FP_HELPER_CC(cxbr);
3124 break;
3125 case 0x4a: /* AXBR R1,R2 [RRE] */
3126 FP_HELPER_CC(axbr);
3127 break;
3128 case 0x4b: /* SXBR R1,R2 [RRE] */
3129 FP_HELPER_CC(sxbr);
3130 break;
3131 case 0x4c: /* MXBR R1,R2 [RRE] */
3132 FP_HELPER(mxbr);
3133 break;
3134 case 0x4d: /* DXBR R1,R2 [RRE] */
3135 FP_HELPER(dxbr);
3136 break;
3137 case 0x65: /* LXR R1,R2 [RRE] */
3138 tmp = load_freg(r2);
3139 store_freg(r1, tmp);
3140 tcg_temp_free_i64(tmp);
3141 tmp = load_freg(r2 + 2);
3142 store_freg(r1 + 2, tmp);
3143 tcg_temp_free_i64(tmp);
3144 break;
3145 case 0x74: /* LZER R1 [RRE] */
3146 tmp32_1 = tcg_const_i32(r1);
3147 gen_helper_lzer(tmp32_1);
3148 tcg_temp_free_i32(tmp32_1);
3149 break;
3150 case 0x75: /* LZDR R1 [RRE] */
3151 tmp32_1 = tcg_const_i32(r1);
3152 gen_helper_lzdr(tmp32_1);
3153 tcg_temp_free_i32(tmp32_1);
3154 break;
3155 case 0x76: /* LZXR R1 [RRE] */
3156 tmp32_1 = tcg_const_i32(r1);
3157 gen_helper_lzxr(tmp32_1);
3158 tcg_temp_free_i32(tmp32_1);
3159 break;
3160 case 0x84: /* SFPC R1 [RRE] */
3161 tmp32_1 = load_reg32(r1);
3162 tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUState, fpc));
3163 tcg_temp_free_i32(tmp32_1);
3164 break;
3165 case 0x8c: /* EFPC R1 [RRE] */
3166 tmp32_1 = tcg_temp_new_i32();
3167 tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUState, fpc));
3168 store_reg32(r1, tmp32_1);
3169 tcg_temp_free_i32(tmp32_1);
3170 break;
3171 case 0x94: /* CEFBR R1,R2 [RRE] */
3172 case 0x95: /* CDFBR R1,R2 [RRE] */
3173 case 0x96: /* CXFBR R1,R2 [RRE] */
3174 tmp32_1 = tcg_const_i32(r1);
3175 tmp32_2 = load_reg32(r2);
3176 switch (op) {
3177 case 0x94:
3178 gen_helper_cefbr(tmp32_1, tmp32_2);
3179 break;
3180 case 0x95:
3181 gen_helper_cdfbr(tmp32_1, tmp32_2);
3182 break;
3183 case 0x96:
3184 gen_helper_cxfbr(tmp32_1, tmp32_2);
3185 break;
3186 default:
3187 tcg_abort();
3188 }
3189 tcg_temp_free_i32(tmp32_1);
3190 tcg_temp_free_i32(tmp32_2);
3191 break;
3192 case 0x98: /* CFEBR R1,R2 [RRE] */
3193 case 0x99: /* CFDBR R1,R2 [RRE] */
3194 case 0x9a: /* CFXBR R1,R2 [RRE] */
3195 tmp32_1 = tcg_const_i32(r1);
3196 tmp32_2 = tcg_const_i32(r2);
3197 tmp32_3 = tcg_const_i32(m3);
3198 switch (op) {
3199 case 0x98:
3200 gen_helper_cfebr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3201 break;
3202 case 0x99:
3203 gen_helper_cfdbr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3204 break;
3205 case 0x9a:
3206 gen_helper_cfxbr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3207 break;
3208 default:
3209 tcg_abort();
3210 }
3211 set_cc_static(s);
3212 tcg_temp_free_i32(tmp32_1);
3213 tcg_temp_free_i32(tmp32_2);
3214 tcg_temp_free_i32(tmp32_3);
3215 break;
3216 case 0xa4: /* CEGBR R1,R2 [RRE] */
3217 case 0xa5: /* CDGBR R1,R2 [RRE] */
3218 tmp32_1 = tcg_const_i32(r1);
3219 tmp = load_reg(r2);
3220 switch (op) {
3221 case 0xa4:
3222 gen_helper_cegbr(tmp32_1, tmp);
3223 break;
3224 case 0xa5:
3225 gen_helper_cdgbr(tmp32_1, tmp);
3226 break;
3227 default:
3228 tcg_abort();
3229 }
3230 tcg_temp_free_i32(tmp32_1);
3231 tcg_temp_free_i64(tmp);
3232 break;
3233 case 0xa6: /* CXGBR R1,R2 [RRE] */
3234 tmp32_1 = tcg_const_i32(r1);
3235 tmp = load_reg(r2);
3236 gen_helper_cxgbr(tmp32_1, tmp);
3237 tcg_temp_free_i32(tmp32_1);
3238 tcg_temp_free_i64(tmp);
3239 break;
3240 case 0xa8: /* CGEBR R1,R2 [RRE] */
3241 tmp32_1 = tcg_const_i32(r1);
3242 tmp32_2 = tcg_const_i32(r2);
3243 tmp32_3 = tcg_const_i32(m3);
3244 gen_helper_cgebr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3245 set_cc_static(s);
3246 tcg_temp_free_i32(tmp32_1);
3247 tcg_temp_free_i32(tmp32_2);
3248 tcg_temp_free_i32(tmp32_3);
3249 break;
3250 case 0xa9: /* CGDBR R1,R2 [RRE] */
3251 tmp32_1 = tcg_const_i32(r1);
3252 tmp32_2 = tcg_const_i32(r2);
3253 tmp32_3 = tcg_const_i32(m3);
3254 gen_helper_cgdbr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3255 set_cc_static(s);
3256 tcg_temp_free_i32(tmp32_1);
3257 tcg_temp_free_i32(tmp32_2);
3258 tcg_temp_free_i32(tmp32_3);
3259 break;
3260 case 0xaa: /* CGXBR R1,R2 [RRE] */
3261 tmp32_1 = tcg_const_i32(r1);
3262 tmp32_2 = tcg_const_i32(r2);
3263 tmp32_3 = tcg_const_i32(m3);
3264 gen_helper_cgxbr(cc_op, tmp32_1, tmp32_2, tmp32_3);
3265 set_cc_static(s);
3266 tcg_temp_free_i32(tmp32_1);
3267 tcg_temp_free_i32(tmp32_2);
3268 tcg_temp_free_i32(tmp32_3);
3269 break;
3270 default:
3271 LOG_DISAS("illegal b3 operation 0x%x\n", op);
3272 gen_illegal_opcode(s, 2);
3273 break;
3274 }
3275
3276 #undef FP_HELPER_CC
3277 #undef FP_HELPER
3278 }
3279
3280 static void disas_b9(DisasContext *s, int op, int r1, int r2)
3281 {
3282 TCGv_i64 tmp, tmp2, tmp3;
3283 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
3284
3285 LOG_DISAS("disas_b9: op 0x%x r1 %d r2 %d\n", op, r1, r2);
3286 switch (op) {
3287 case 0x0: /* LPGR R1,R2 [RRE] */
3288 case 0x1: /* LNGR R1,R2 [RRE] */
3289 case 0x2: /* LTGR R1,R2 [RRE] */
3290 case 0x3: /* LCGR R1,R2 [RRE] */
3291 case 0x10: /* LPGFR R1,R2 [RRE] */
3292 case 0x11: /* LNFGR R1,R2 [RRE] */
3293 case 0x12: /* LTGFR R1,R2 [RRE] */
3294 case 0x13: /* LCGFR R1,R2 [RRE] */
3295 if (op & 0x10) {
3296 tmp = load_reg32_i64(r2);
3297 } else {
3298 tmp = load_reg(r2);
3299 }
3300 switch (op & 0xf) {
3301 case 0x0: /* LP?GR */
3302 set_cc_abs64(s, tmp);
3303 gen_helper_abs_i64(tmp, tmp);
3304 store_reg(r1, tmp);
3305 break;
3306 case 0x1: /* LN?GR */
3307 set_cc_nabs64(s, tmp);
3308 gen_helper_nabs_i64(tmp, tmp);
3309 store_reg(r1, tmp);
3310 break;
3311 case 0x2: /* LT?GR */
3312 if (r1 != r2) {
3313 store_reg(r1, tmp);
3314 }
3315 set_cc_s64(s, tmp);
3316 break;
3317 case 0x3: /* LC?GR */
3318 tcg_gen_neg_i64(regs[r1], tmp);
3319 set_cc_comp64(s, regs[r1]);
3320 break;
3321 }
3322 tcg_temp_free_i64(tmp);
3323 break;
3324 case 0x4: /* LGR R1,R2 [RRE] */
3325 store_reg(r1, regs[r2]);
3326 break;
3327 case 0x6: /* LGBR R1,R2 [RRE] */
3328 tmp2 = load_reg(r2);
3329 tcg_gen_ext8s_i64(tmp2, tmp2);
3330 store_reg(r1, tmp2);
3331 tcg_temp_free_i64(tmp2);
3332 break;
3333 case 0x8: /* AGR R1,R2 [RRE] */
3334 case 0xa: /* ALGR R1,R2 [RRE] */
3335 tmp = load_reg(r1);
3336 tmp2 = load_reg(r2);
3337 tmp3 = tcg_temp_new_i64();
3338 tcg_gen_add_i64(tmp3, tmp, tmp2);
3339 store_reg(r1, tmp3);
3340 switch (op) {
3341 case 0x8:
3342 set_cc_add64(s, tmp, tmp2, tmp3);
3343 break;
3344 case 0xa:
3345 set_cc_addu64(s, tmp, tmp2, tmp3);
3346 break;
3347 default:
3348 tcg_abort();
3349 }
3350 tcg_temp_free_i64(tmp);
3351 tcg_temp_free_i64(tmp2);
3352 tcg_temp_free_i64(tmp3);
3353 break;
3354 case 0x9: /* SGR R1,R2 [RRE] */
3355 case 0xb: /* SLGR R1,R2 [RRE] */
3356 case 0x1b: /* SLGFR R1,R2 [RRE] */
3357 case 0x19: /* SGFR R1,R2 [RRE] */
3358 tmp = load_reg(r1);
3359 switch (op) {
3360 case 0x1b:
3361 tmp32_1 = load_reg32(r2);
3362 tmp2 = tcg_temp_new_i64();
3363 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
3364 tcg_temp_free_i32(tmp32_1);
3365 break;
3366 case 0x19:
3367 tmp32_1 = load_reg32(r2);
3368 tmp2 = tcg_temp_new_i64();
3369 tcg_gen_ext_i32_i64(tmp2, tmp32_1);
3370 tcg_temp_free_i32(tmp32_1);
3371 break;
3372 default:
3373 tmp2 = load_reg(r2);
3374 break;
3375 }
3376 tmp3 = tcg_temp_new_i64();
3377 tcg_gen_sub_i64(tmp3, tmp, tmp2);
3378 store_reg(r1, tmp3);
3379 switch (op) {
3380 case 0x9:
3381 case 0x19:
3382 set_cc_sub64(s, tmp, tmp2, tmp3);
3383 break;
3384 case 0xb:
3385 case 0x1b:
3386 set_cc_subu64(s, tmp, tmp2, tmp3);
3387 break;
3388 default:
3389 tcg_abort();
3390 }
3391 tcg_temp_free_i64(tmp);
3392 tcg_temp_free_i64(tmp2);
3393 tcg_temp_free_i64(tmp3);
3394 break;
3395 case 0xc: /* MSGR R1,R2 [RRE] */
3396 case 0x1c: /* MSGFR R1,R2 [RRE] */
3397 tmp = load_reg(r1);
3398 tmp2 = load_reg(r2);
3399 if (op == 0x1c) {
3400 tcg_gen_ext32s_i64(tmp2, tmp2);
3401 }
3402 tcg_gen_mul_i64(tmp, tmp, tmp2);
3403 store_reg(r1, tmp);
3404 tcg_temp_free_i64(tmp);
3405 tcg_temp_free_i64(tmp2);
3406 break;
3407 case 0xd: /* DSGR R1,R2 [RRE] */
3408 case 0x1d: /* DSGFR R1,R2 [RRE] */
3409 tmp = load_reg(r1 + 1);
3410 if (op == 0xd) {
3411 tmp2 = load_reg(r2);
3412 } else {
3413 tmp32_1 = load_reg32(r2);
3414 tmp2 = tcg_temp_new_i64();
3415 tcg_gen_ext_i32_i64(tmp2, tmp32_1);
3416 tcg_temp_free_i32(tmp32_1);
3417 }
3418 tmp3 = tcg_temp_new_i64();
3419 tcg_gen_div_i64(tmp3, tmp, tmp2);
3420 store_reg(r1 + 1, tmp3);
3421 tcg_gen_rem_i64(tmp3, tmp, tmp2);
3422 store_reg(r1, tmp3);
3423 tcg_temp_free_i64(tmp);
3424 tcg_temp_free_i64(tmp2);
3425 tcg_temp_free_i64(tmp3);
3426 break;
3427 case 0x14: /* LGFR R1,R2 [RRE] */
3428 tmp32_1 = load_reg32(r2);
3429 tmp = tcg_temp_new_i64();
3430 tcg_gen_ext_i32_i64(tmp, tmp32_1);
3431 store_reg(r1, tmp);
3432 tcg_temp_free_i32(tmp32_1);
3433 tcg_temp_free_i64(tmp);
3434 break;
3435 case 0x16: /* LLGFR R1,R2 [RRE] */
3436 tmp32_1 = load_reg32(r2);
3437 tmp = tcg_temp_new_i64();
3438 tcg_gen_extu_i32_i64(tmp, tmp32_1);
3439 store_reg(r1, tmp);
3440 tcg_temp_free_i32(tmp32_1);
3441 tcg_temp_free_i64(tmp);
3442 break;
3443 case 0x17: /* LLGTR R1,R2 [RRE] */
3444 tmp32_1 = load_reg32(r2);
3445 tmp = tcg_temp_new_i64();
3446 tcg_gen_andi_i32(tmp32_1, tmp32_1, 0x7fffffffUL);
3447 tcg_gen_extu_i32_i64(tmp, tmp32_1);
3448 store_reg(r1, tmp);
3449 tcg_temp_free_i32(tmp32_1);
3450 tcg_temp_free_i64(tmp);
3451 break;
3452 case 0x18: /* AGFR R1,R2 [RRE] */
3453 case 0x1a: /* ALGFR R1,R2 [RRE] */
3454 tmp32_1 = load_reg32(r2);
3455 tmp2 = tcg_temp_new_i64();
3456 if (op == 0x18) {
3457 tcg_gen_ext_i32_i64(tmp2, tmp32_1);
3458 } else {
3459 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
3460 }
3461 tcg_temp_free_i32(tmp32_1);
3462 tmp = load_reg(r1);
3463 tmp3 = tcg_temp_new_i64();
3464 tcg_gen_add_i64(tmp3, tmp, tmp2);
3465 store_reg(r1, tmp3);
3466 if (op == 0x18) {
3467 set_cc_add64(s, tmp, tmp2, tmp3);
3468 } else {
3469 set_cc_addu64(s, tmp, tmp2, tmp3);
3470 }
3471 tcg_temp_free_i64(tmp);
3472 tcg_temp_free_i64(tmp2);
3473 tcg_temp_free_i64(tmp3);
3474 break;
3475 case 0x0f: /* LRVGR R1,R2 [RRE] */
3476 tcg_gen_bswap64_i64(regs[r1], regs[r2]);
3477 break;
3478 case 0x1f: /* LRVR R1,R2 [RRE] */
3479 tmp32_1 = load_reg32(r2);
3480 tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
3481 store_reg32(r1, tmp32_1);
3482 tcg_temp_free_i32(tmp32_1);
3483 break;
3484 case 0x20: /* CGR R1,R2 [RRE] */
3485 case 0x30: /* CGFR R1,R2 [RRE] */
3486 tmp2 = load_reg(r2);
3487 if (op == 0x30) {
3488 tcg_gen_ext32s_i64(tmp2, tmp2);
3489 }
3490 tmp = load_reg(r1);
3491 cmp_s64(s, tmp, tmp2);
3492 tcg_temp_free_i64(tmp);
3493 tcg_temp_free_i64(tmp2);
3494 break;
3495 case 0x21: /* CLGR R1,R2 [RRE] */
3496 case 0x31: /* CLGFR R1,R2 [RRE] */
3497 tmp2 = load_reg(r2);
3498 if (op == 0x31) {
3499 tcg_gen_ext32u_i64(tmp2, tmp2);
3500 }
3501 tmp = load_reg(r1);
3502 cmp_u64(s, tmp, tmp2);
3503 tcg_temp_free_i64(tmp);
3504 tcg_temp_free_i64(tmp2);
3505 break;
3506 case 0x26: /* LBR R1,R2 [RRE] */
3507 tmp32_1 = load_reg32(r2);
3508 tcg_gen_ext8s_i32(tmp32_1, tmp32_1);
3509 store_reg32(r1, tmp32_1);
3510 tcg_temp_free_i32(tmp32_1);
3511 break;
3512 case 0x27: /* LHR R1,R2 [RRE] */
3513 tmp32_1 = load_reg32(r2);
3514 tcg_gen_ext16s_i32(tmp32_1, tmp32_1);
3515 store_reg32(r1, tmp32_1);
3516 tcg_temp_free_i32(tmp32_1);
3517 break;
3518 case 0x80: /* NGR R1,R2 [RRE] */
3519 case 0x81: /* OGR R1,R2 [RRE] */
3520 case 0x82: /* XGR R1,R2 [RRE] */
3521 tmp = load_reg(r1);
3522 tmp2 = load_reg(r2);
3523 switch (op) {
3524 case 0x80:
3525 tcg_gen_and_i64(tmp, tmp, tmp2);
3526 break;
3527 case 0x81:
3528 tcg_gen_or_i64(tmp, tmp, tmp2);
3529 break;
3530 case 0x82:
3531 tcg_gen_xor_i64(tmp, tmp, tmp2);
3532 break;
3533 default:
3534 tcg_abort();
3535 }
3536 store_reg(r1, tmp);
3537 set_cc_nz_u64(s, tmp);
3538 tcg_temp_free_i64(tmp);
3539 tcg_temp_free_i64(tmp2);
3540 break;
3541 case 0x83: /* FLOGR R1,R2 [RRE] */
3542 tmp = load_reg(r2);
3543 tmp32_1 = tcg_const_i32(r1);
3544 gen_helper_flogr(cc_op, tmp32_1, tmp);
3545 set_cc_static(s);
3546 tcg_temp_free_i64(tmp);
3547 tcg_temp_free_i32(tmp32_1);
3548 break;
3549 case 0x84: /* LLGCR R1,R2 [RRE] */
3550 tmp = load_reg(r2);
3551 tcg_gen_andi_i64(tmp, tmp, 0xff);
3552 store_reg(r1, tmp);
3553 tcg_temp_free_i64(tmp);
3554 break;
3555 case 0x85: /* LLGHR R1,R2 [RRE] */
3556 tmp = load_reg(r2);
3557 tcg_gen_andi_i64(tmp, tmp, 0xffff);
3558 store_reg(r1, tmp);
3559 tcg_temp_free_i64(tmp);
3560 break;
3561 case 0x87: /* DLGR R1,R2 [RRE] */
3562 tmp32_1 = tcg_const_i32(r1);
3563 tmp = load_reg(r2);
3564 gen_helper_dlg(tmp32_1, tmp);
3565 tcg_temp_free_i64(tmp);
3566 tcg_temp_free_i32(tmp32_1);
3567 break;
3568 case 0x88: /* ALCGR R1,R2 [RRE] */
3569 tmp = load_reg(r1);
3570 tmp2 = load_reg(r2);
3571 tmp3 = tcg_temp_new_i64();
3572 gen_op_calc_cc(s);
3573 tcg_gen_extu_i32_i64(tmp3, cc_op);
3574 tcg_gen_shri_i64(tmp3, tmp3, 1);
3575 tcg_gen_andi_i64(tmp3, tmp3, 1);
3576 tcg_gen_add_i64(tmp3, tmp2, tmp3);
3577 tcg_gen_add_i64(tmp3, tmp, tmp3);
3578 store_reg(r1, tmp3);
3579 set_cc_addu64(s, tmp, tmp2, tmp3);
3580 tcg_temp_free_i64(tmp);
3581 tcg_temp_free_i64(tmp2);
3582 tcg_temp_free_i64(tmp3);
3583 break;
3584 case 0x89: /* SLBGR R1,R2 [RRE] */
3585 tmp = load_reg(r1);
3586 tmp2 = load_reg(r2);
3587 tmp32_1 = tcg_const_i32(r1);
3588 gen_op_calc_cc(s);
3589 gen_helper_slbg(cc_op, cc_op, tmp32_1, tmp, tmp2);
3590 set_cc_static(s);
3591 tcg_temp_free_i64(tmp);
3592 tcg_temp_free_i64(tmp2);
3593 tcg_temp_free_i32(tmp32_1);
3594 break;
3595 case 0x94: /* LLCR R1,R2 [RRE] */
3596 tmp32_1 = load_reg32(r2);
3597 tcg_gen_andi_i32(tmp32_1, tmp32_1, 0xff);
3598 store_reg32(r1, tmp32_1);
3599 tcg_temp_free_i32(tmp32_1);
3600 break;
3601 case 0x95: /* LLHR R1,R2 [RRE] */
3602 tmp32_1 = load_reg32(r2);
3603 tcg_gen_andi_i32(tmp32_1, tmp32_1, 0xffff);
3604 store_reg32(r1, tmp32_1);
3605 tcg_temp_free_i32(tmp32_1);
3606 break;
3607 case 0x96: /* MLR R1,R2 [RRE] */
3608 /* reg(r1, r1+1) = reg(r1+1) * reg(r2) */
3609 tmp2 = load_reg(r2);
3610 tmp3 = load_reg((r1 + 1) & 15);
3611 tcg_gen_ext32u_i64(tmp2, tmp2);
3612 tcg_gen_ext32u_i64(tmp3, tmp3);
3613 tcg_gen_mul_i64(tmp2, tmp2, tmp3);
3614 store_reg32_i64((r1 + 1) & 15, tmp2);
3615 tcg_gen_shri_i64(tmp2, tmp2, 32);
3616 store_reg32_i64(r1, tmp2);
3617 tcg_temp_free_i64(tmp2);
3618 tcg_temp_free_i64(tmp3);
3619 break;
3620 case 0x97: /* DLR R1,R2 [RRE] */
3621 /* reg(r1) = reg(r1, r1+1) % reg(r2) */
3622 /* reg(r1+1) = reg(r1, r1+1) / reg(r2) */
3623 tmp = load_reg(r1);
3624 tmp2 = load_reg(r2);
3625 tmp3 = load_reg((r1 + 1) & 15);
3626 tcg_gen_ext32u_i64(tmp2, tmp2);
3627 tcg_gen_ext32u_i64(tmp3, tmp3);
3628 tcg_gen_shli_i64(tmp, tmp, 32);
3629 tcg_gen_or_i64(tmp, tmp, tmp3);
3630
3631 tcg_gen_rem_i64(tmp3, tmp, tmp2);
3632 tcg_gen_div_i64(tmp, tmp, tmp2);
3633 store_reg32_i64((r1 + 1) & 15, tmp);
3634 store_reg32_i64(r1, tmp3);
3635 tcg_temp_free_i64(tmp);
3636 tcg_temp_free_i64(tmp2);
3637 tcg_temp_free_i64(tmp3);
3638 break;
3639 case 0x98: /* ALCR R1,R2 [RRE] */
3640 tmp32_1 = load_reg32(r1);
3641 tmp32_2 = load_reg32(r2);
3642 tmp32_3 = tcg_temp_new_i32();
3643 /* XXX possible optimization point */
3644 gen_op_calc_cc(s);
3645 gen_helper_addc_u32(tmp32_3, cc_op, tmp32_1, tmp32_2);
3646 set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
3647 store_reg32(r1, tmp32_3);
3648 tcg_temp_free_i32(tmp32_1);
3649 tcg_temp_free_i32(tmp32_2);
3650 tcg_temp_free_i32(tmp32_3);
3651 break;
3652 case 0x99: /* SLBR R1,R2 [RRE] */
3653 tmp32_1 = load_reg32(r2);
3654 tmp32_2 = tcg_const_i32(r1);
3655 gen_op_calc_cc(s);
3656 gen_helper_slb(cc_op, cc_op, tmp32_2, tmp32_1);
3657 set_cc_static(s);
3658 tcg_temp_free_i32(tmp32_1);
3659 tcg_temp_free_i32(tmp32_2);
3660 break;
3661 default:
3662 LOG_DISAS("illegal b9 operation 0x%x\n", op);
3663 gen_illegal_opcode(s, 2);
3664 break;
3665 }
3666 }
3667
3668 static void disas_c0(DisasContext *s, int op, int r1, int i2)
3669 {
3670 TCGv_i64 tmp;
3671 TCGv_i32 tmp32_1, tmp32_2;
3672 uint64_t target = s->pc + i2 * 2LL;
3673 int l1;
3674
3675 LOG_DISAS("disas_c0: op 0x%x r1 %d i2 %d\n", op, r1, i2);
3676
3677 switch (op) {
3678 case 0: /* larl r1, i2 */
3679 tmp = tcg_const_i64(target);
3680 store_reg(r1, tmp);
3681 tcg_temp_free_i64(tmp);
3682 break;
3683 case 0x1: /* LGFI R1,I2 [RIL] */
3684 tmp = tcg_const_i64((int64_t)i2);
3685 store_reg(r1, tmp);
3686 tcg_temp_free_i64(tmp);
3687 break;
3688 case 0x4: /* BRCL M1,I2 [RIL] */
3689 /* m1 & (1 << (3 - cc)) */
3690 tmp32_1 = tcg_const_i32(3);
3691 tmp32_2 = tcg_const_i32(1);
3692 gen_op_calc_cc(s);
3693 tcg_gen_sub_i32(tmp32_1, tmp32_1, cc_op);
3694 tcg_gen_shl_i32(tmp32_2, tmp32_2, tmp32_1);
3695 tcg_temp_free_i32(tmp32_1);
3696 tmp32_1 = tcg_const_i32(r1); /* m1 == r1 */
3697 tcg_gen_and_i32(tmp32_1, tmp32_1, tmp32_2);
3698 l1 = gen_new_label();
3699 tcg_gen_brcondi_i32(TCG_COND_EQ, tmp32_1, 0, l1);
3700 gen_goto_tb(s, 0, target);
3701 gen_set_label(l1);
3702 gen_goto_tb(s, 1, s->pc + 6);
3703 s->is_jmp = DISAS_TB_JUMP;
3704 tcg_temp_free_i32(tmp32_1);
3705 tcg_temp_free_i32(tmp32_2);
3706 break;
3707 case 0x5: /* brasl r1, i2 */
3708 tmp = tcg_const_i64(pc_to_link_info(s, s->pc + 6));
3709 store_reg(r1, tmp);
3710 tcg_temp_free_i64(tmp);
3711 gen_goto_tb(s, 0, target);
3712 s->is_jmp = DISAS_TB_JUMP;
3713 break;
3714 case 0x7: /* XILF R1,I2 [RIL] */
3715 case 0xb: /* NILF R1,I2 [RIL] */
3716 case 0xd: /* OILF R1,I2 [RIL] */
3717 tmp32_1 = load_reg32(r1);
3718 switch (op) {
3719 case 0x7:
3720 tcg_gen_xori_i32(tmp32_1, tmp32_1, (uint32_t)i2);
3721 break;
3722 case 0xb:
3723 tcg_gen_andi_i32(tmp32_1, tmp32_1, (uint32_t)i2);
3724 break;
3725 case 0xd:
3726 tcg_gen_ori_i32(tmp32_1, tmp32_1, (uint32_t)i2);
3727 break;
3728 default:
3729 tcg_abort();
3730 }
3731 store_reg32(r1, tmp32_1);
3732 set_cc_nz_u32(s, tmp32_1);
3733 tcg_temp_free_i32(tmp32_1);
3734 break;
3735 case 0x9: /* IILF R1,I2 [RIL] */
3736 tmp32_1 = tcg_const_i32((uint32_t)i2);
3737 store_reg32(r1, tmp32_1);
3738 tcg_temp_free_i32(tmp32_1);
3739 break;
3740 case 0xa: /* NIHF R1,I2 [RIL] */
3741 tmp = load_reg(r1);
3742 tmp32_1 = tcg_temp_new_i32();
3743 tcg_gen_andi_i64(tmp, tmp, (((uint64_t)((uint32_t)i2)) << 32)
3744 | 0xffffffffULL);
3745 store_reg(r1, tmp);
3746 tcg_gen_shri_i64(tmp, tmp, 32);
3747 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
3748 set_cc_nz_u32(s, tmp32_1);
3749 tcg_temp_free_i64(tmp);
3750 tcg_temp_free_i32(tmp32_1);
3751 break;
3752 case 0xe: /* LLIHF R1,I2 [RIL] */
3753 tmp = tcg_const_i64(((uint64_t)(uint32_t)i2) << 32);
3754 store_reg(r1, tmp);
3755 tcg_temp_free_i64(tmp);
3756 break;
3757 case 0xf: /* LLILF R1,I2 [RIL] */
3758 tmp = tcg_const_i64((uint32_t)i2);
3759 store_reg(r1, tmp);
3760 tcg_temp_free_i64(tmp);
3761 break;
3762 default:
3763 LOG_DISAS("illegal c0 operation 0x%x\n", op);
3764 gen_illegal_opcode(s, 3);
3765 break;
3766 }
3767 }
3768
3769 static void disas_c2(DisasContext *s, int op, int r1, int i2)
3770 {
3771 TCGv_i64 tmp, tmp2, tmp3;
3772 TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
3773
3774 switch (op) {
3775 case 0x4: /* SLGFI R1,I2 [RIL] */
3776 case 0xa: /* ALGFI R1,I2 [RIL] */
3777 tmp = load_reg(r1);
3778 tmp2 = tcg_const_i64((uint64_t)(uint32_t)i2);
3779 tmp3 = tcg_temp_new_i64();
3780 switch (op) {
3781 case 0x4:
3782 tcg_gen_sub_i64(tmp3, tmp, tmp2);
3783 set_cc_subu64(s, tmp, tmp2, tmp3);
3784 break;
3785 case 0xa:
3786 tcg_gen_add_i64(tmp3, tmp, tmp2);
3787 set_cc_addu64(s, tmp, tmp2, tmp3);
3788 break;
3789 default:
3790 tcg_abort();
3791 }
3792 store_reg(r1, tmp3);
3793 tcg_temp_free_i64(tmp);
3794 tcg_temp_free_i64(tmp2);
3795 tcg_temp_free_i64(tmp3);
3796 break;
3797 case 0x5: /* SLFI R1,I2 [RIL] */
3798 case 0xb: /* ALFI R1,I2 [RIL] */
3799 tmp32_1 = load_reg32(r1);
3800 tmp32_2 = tcg_const_i32(i2);
3801 tmp32_3 = tcg_temp_new_i32();
3802 switch (op) {
3803 case 0x5:
3804 tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
3805 set_cc_subu32(s, tmp32_1, tmp32_2, tmp32_3);
3806 break;
3807 case 0xb:
3808 tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
3809 set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
3810 break;
3811 default:
3812 tcg_abort();
3813 }
3814 store_reg32(r1, tmp32_3);
3815 tcg_temp_free_i32(tmp32_1);
3816 tcg_temp_free_i32(tmp32_2);
3817 tcg_temp_free_i32(tmp32_3);
3818 break;
3819 case 0xc: /* CGFI R1,I2 [RIL] */
3820 tmp = load_reg(r1);
3821 cmp_s64c(s, tmp, (int64_t)i2);
3822 tcg_temp_free_i64(tmp);
3823 break;
3824 case 0xe: /* CLGFI R1,I2 [RIL] */
3825 tmp = load_reg(r1);
3826 cmp_u64c(s, tmp, (uint64_t)(uint32_t)i2);
3827 tcg_temp_free_i64(tmp);
3828 break;
3829 case 0xd: /* CFI R1,I2 [RIL] */
3830 tmp32_1 = load_reg32(r1);
3831 cmp_s32c(s, tmp32_1, i2);
3832 tcg_temp_free_i32(tmp32_1);
3833 break;
3834 case 0xf: /* CLFI R1,I2 [RIL] */
3835 tmp32_1 = load_reg32(r1);
3836 cmp_u32c(s, tmp32_1, i2);
3837 tcg_temp_free_i32(tmp32_1);
3838 break;
3839 default:
3840 LOG_DISAS("illegal c2 operation 0x%x\n", op);
3841 gen_illegal_opcode(s, 3);
3842 break;
3843 }
3844 }
3845
3846 static void gen_and_or_xor_i32(int opc, TCGv_i32 tmp, TCGv_i32 tmp2)
3847 {
3848 switch (opc & 0xf) {
3849 case 0x4:
3850 tcg_gen_and_i32(tmp, tmp, tmp2);
3851 break;
3852 case 0x6:
3853 tcg_gen_or_i32(tmp, tmp, tmp2);
3854 break;
3855 case 0x7:
3856 tcg_gen_xor_i32(tmp, tmp, tmp2);
3857 break;
3858 default:
3859 tcg_abort();
3860 }
3861 }
3862
3863 static void disas_s390_insn(DisasContext *s)
3864 {
3865 TCGv_i64 tmp, tmp2, tmp3, tmp4;
3866 TCGv_i32 tmp32_1, tmp32_2, tmp32_3, tmp32_4;
3867 unsigned char opc;
3868 uint64_t insn;
3869 int op, r1, r2, r3, d1, d2, x2, b1, b2, i, i2, r1b;
3870 TCGv_i32 vl;
3871 int ilc;
3872 int l1;
3873
3874 opc = ldub_code(s->pc);
3875 LOG_DISAS("opc 0x%x\n", opc);
3876
3877 ilc = get_ilc(opc);
3878
3879 switch (opc) {
3880 #ifndef CONFIG_USER_ONLY
3881 case 0x01: /* SAM */
3882 insn = ld_code2(s->pc);
3883 /* set addressing mode, but we only do 64bit anyways */
3884 break;
3885 #endif
3886 case 0x6: /* BCTR R1,R2 [RR] */
3887 insn = ld_code2(s->pc);
3888 decode_rr(s, insn, &r1, &r2);
3889 tmp32_1 = load_reg32(r1);
3890 tcg_gen_subi_i32(tmp32_1, tmp32_1, 1);
3891 store_reg32(r1, tmp32_1);
3892
3893 if (r2) {
3894 gen_update_cc_op(s);
3895 l1 = gen_new_label();
3896 tcg_gen_brcondi_i32(TCG_COND_NE, tmp32_1, 0, l1);
3897
3898 /* not taking the branch, jump to after the instruction */
3899 gen_goto_tb(s, 0, s->pc + 2);
3900 gen_set_label(l1);
3901
3902 /* take the branch, move R2 into psw.addr */
3903 tmp32_1 = load_reg32(r2);
3904 tmp = tcg_temp_new_i64();
3905 tcg_gen_extu_i32_i64(tmp, tmp32_1);
3906 tcg_gen_mov_i64(psw_addr, tmp);
3907 s->is_jmp = DISAS_JUMP;
3908 tcg_temp_free_i32(tmp32_1);
3909 tcg_temp_free_i64(tmp);
3910 }
3911 break;
3912 case 0x7: /* BCR M1,R2 [RR] */
3913 insn = ld_code2(s->pc);
3914 decode_rr(s, insn, &r1, &r2);
3915 if (r2) {
3916 tmp = load_reg(r2);
3917 gen_bcr(s, r1, tmp, s->pc);
3918 tcg_temp_free_i64(tmp);
3919 s->is_jmp = DISAS_TB_JUMP;
3920 } else {
3921 /* XXX: "serialization and checkpoint-synchronization function"? */
3922 }
3923 break;
3924 case 0xa: /* SVC I [RR] */
3925 insn = ld_code2(s->pc);
3926 debug_insn(insn);
3927 i = insn & 0xff;
3928 update_psw_addr(s);
3929 gen_op_calc_cc(s);
3930 tmp32_1 = tcg_const_i32(i);
3931 tmp32_2 = tcg_const_i32(ilc * 2);
3932 tmp32_3 = tcg_const_i32(EXCP_SVC);
3933 tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUState, int_svc_code));
3934 tcg_gen_st_i32(tmp32_2, cpu_env, offsetof(CPUState, int_svc_ilc));
3935 gen_helper_exception(tmp32_3);
3936 s->is_jmp = DISAS_EXCP;
3937 tcg_temp_free_i32(tmp32_1);
3938 tcg_temp_free_i32(tmp32_2);
3939 tcg_temp_free_i32(tmp32_3);
3940 break;
3941 case 0xd: /* BASR R1,R2 [RR] */
3942 insn = ld_code2(s->pc);
3943 decode_rr(s, insn, &r1, &r2);
3944 tmp = tcg_const_i64(pc_to_link_info(s, s->pc + 2));
3945 store_reg(r1, tmp);
3946 if (r2) {
3947 tmp2 = load_reg(r2);
3948 tcg_gen_mov_i64(psw_addr, tmp2);
3949 tcg_temp_free_i64(tmp2);
3950 s->is_jmp = DISAS_JUMP;
3951 }
3952 tcg_temp_free_i64(tmp);
3953 break;
3954 case 0xe: /* MVCL R1,R2 [RR] */
3955 insn = ld_code2(s->pc);
3956 decode_rr(s, insn, &r1, &r2);
3957 tmp32_1 = tcg_const_i32(r1);
3958 tmp32_2 = tcg_const_i32(r2);
3959 potential_page_fault(s);
3960 gen_helper_mvcl(cc_op, tmp32_1, tmp32_2);
3961 set_cc_static(s);
3962 tcg_temp_free_i32(tmp32_1);
3963 tcg_temp_free_i32(tmp32_2);
3964 break;
3965 case 0x10: /* LPR R1,R2 [RR] */
3966 insn = ld_code2(s->pc);
3967 decode_rr(s, insn, &r1, &r2);
3968 tmp32_1 = load_reg32(r2);
3969 set_cc_abs32(s, tmp32_1);
3970 gen_helper_abs_i32(tmp32_1, tmp32_1);
3971 store_reg32(r1, tmp32_1);
3972 tcg_temp_free_i32(tmp32_1);
3973 break;
3974 case 0x11: /* LNR R1,R2 [RR] */
3975 insn = ld_code2(s->pc);
3976 decode_rr(s, insn, &r1, &r2);
3977 tmp32_1 = load_reg32(r2);
3978 set_cc_nabs32(s, tmp32_1);
3979 gen_helper_nabs_i32(tmp32_1, tmp32_1);
3980 store_reg32(r1, tmp32_1);
3981 tcg_temp_free_i32(tmp32_1);
3982 break;
3983 case 0x12: /* LTR R1,R2 [RR] */
3984 insn = ld_code2(s->pc);
3985 decode_rr(s, insn, &r1, &r2);
3986 tmp32_1 = load_reg32(r2);
3987 if (r1 != r2) {
3988 store_reg32(r1, tmp32_1);
3989 }
3990 set_cc_s32(s, tmp32_1);
3991 tcg_temp_free_i32(tmp32_1);
3992 break;
3993 case 0x13: /* LCR R1,R2 [RR] */
3994 insn = ld_code2(s->pc);
3995 decode_rr(s, insn, &r1, &r2);
3996 tmp32_1 = load_reg32(r2);
3997 tcg_gen_neg_i32(tmp32_1, tmp32_1);
3998 store_reg32(r1, tmp32_1);
3999 set_cc_comp32(s, tmp32_1);
4000 tcg_temp_free_i32(tmp32_1);
4001 break;
4002 case 0x14: /* NR R1,R2 [RR] */
4003 case 0x16: /* OR R1,R2 [RR] */
4004 case 0x17: /* XR R1,R2 [RR] */
4005 insn = ld_code2(s->pc);
4006 decode_rr(s, insn, &r1, &r2);
4007 tmp32_2 = load_reg32(r2);
4008 tmp32_1 = load_reg32(r1);
4009 gen_and_or_xor_i32(opc, tmp32_1, tmp32_2);
4010 store_reg32(r1, tmp32_1);
4011 set_cc_nz_u32(s, tmp32_1);
4012 tcg_temp_free_i32(tmp32_1);
4013 tcg_temp_free_i32(tmp32_2);
4014 break;
4015 case 0x18: /* LR R1,R2 [RR] */
4016 insn = ld_code2(s->pc);
4017 decode_rr(s, insn, &r1, &r2);
4018 tmp32_1 = load_reg32(r2);
4019 store_reg32(r1, tmp32_1);
4020 tcg_temp_free_i32(tmp32_1);
4021 break;
4022 case 0x15: /* CLR R1,R2 [RR] */
4023 case 0x19: /* CR R1,R2 [RR] */
4024 insn = ld_code2(s->pc);
4025 decode_rr(s, insn, &r1, &r2);
4026 tmp32_1 = load_reg32(r1);
4027 tmp32_2 = load_reg32(r2);
4028 if (opc == 0x15) {
4029 cmp_u32(s, tmp32_1, tmp32_2);
4030 } else {
4031 cmp_s32(s, tmp32_1, tmp32_2);
4032 }
4033 tcg_temp_free_i32(tmp32_1);
4034 tcg_temp_free_i32(tmp32_2);
4035 break;
4036 case 0x1a: /* AR R1,R2 [RR] */
4037 case 0x1e: /* ALR R1,R2 [RR] */
4038 insn = ld_code2(s->pc);
4039 decode_rr(s, insn, &r1, &r2);
4040 tmp32_1 = load_reg32(r1);
4041 tmp32_2 = load_reg32(r2);
4042 tmp32_3 = tcg_temp_new_i32();
4043 tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
4044 store_reg32(r1, tmp32_3);
4045 if (opc == 0x1a) {
4046 set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
4047 } else {
4048 set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
4049 }
4050 tcg_temp_free_i32(tmp32_1);
4051 tcg_temp_free_i32(tmp32_2);
4052 tcg_temp_free_i32(tmp32_3);
4053 break;
4054 case 0x1b: /* SR R1,R2 [RR] */
4055 case 0x1f: /* SLR R1,R2 [RR] */
4056 insn = ld_code2(s->pc);
4057 decode_rr(s, insn, &r1, &r2);
4058 tmp32_1 = load_reg32(r1);
4059 tmp32_2 = load_reg32(r2);
4060 tmp32_3 = tcg_temp_new_i32();
4061 tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
4062 store_reg32(r1, tmp32_3);
4063 if (opc == 0x1b) {
4064 set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
4065 } else {
4066 set_cc_subu32(s, tmp32_1, tmp32_2, tmp32_3);
4067 }
4068 tcg_temp_free_i32(tmp32_1);
4069 tcg_temp_free_i32(tmp32_2);
4070 tcg_temp_free_i32(tmp32_3);
4071 break;
4072 case 0x1c: /* MR R1,R2 [RR] */
4073 /* reg(r1, r1+1) = reg(r1+1) * reg(r2) */
4074 insn = ld_code2(s->pc);
4075 decode_rr(s, insn, &r1, &r2);
4076 tmp2 = load_reg(r2);
4077 tmp3 = load_reg((r1 + 1) & 15);
4078 tcg_gen_ext32s_i64(tmp2, tmp2);
4079 tcg_gen_ext32s_i64(tmp3, tmp3);
4080 tcg_gen_mul_i64(tmp2, tmp2, tmp3);
4081 store_reg32_i64((r1 + 1) & 15, tmp2);
4082 tcg_gen_shri_i64(tmp2, tmp2, 32);
4083 store_reg32_i64(r1, tmp2);
4084 tcg_temp_free_i64(tmp2);
4085 tcg_temp_free_i64(tmp3);
4086 break;
4087 case 0x1d: /* DR R1,R2 [RR] */
4088 insn = ld_code2(s->pc);
4089 decode_rr(s, insn, &r1, &r2);
4090 tmp32_1 = load_reg32(r1);
4091 tmp32_2 = load_reg32(r1 + 1);
4092 tmp32_3 = load_reg32(r2);
4093
4094 tmp = tcg_temp_new_i64(); /* dividend */
4095 tmp2 = tcg_temp_new_i64(); /* divisor */
4096 tmp3 = tcg_temp_new_i64();
4097
4098 /* dividend is r(r1 << 32) | r(r1 + 1) */
4099 tcg_gen_extu_i32_i64(tmp, tmp32_1);
4100 tcg_gen_extu_i32_i64(tmp2, tmp32_2);
4101 tcg_gen_shli_i64(tmp, tmp, 32);
4102 tcg_gen_or_i64(tmp, tmp, tmp2);
4103
4104 /* divisor is r(r2) */
4105 tcg_gen_ext_i32_i64(tmp2, tmp32_3);
4106
4107 tcg_gen_div_i64(tmp3, tmp, tmp2);
4108 tcg_gen_rem_i64(tmp, tmp, tmp2);
4109
4110 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
4111 tcg_gen_trunc_i64_i32(tmp32_2, tmp3);
4112
4113 store_reg32(r1, tmp32_1); /* remainder */
4114 store_reg32(r1 + 1, tmp32_2); /* quotient */
4115 tcg_temp_free_i32(tmp32_1);
4116 tcg_temp_free_i32(tmp32_2);
4117 tcg_temp_free_i32(tmp32_3);
4118 tcg_temp_free_i64(tmp);
4119 tcg_temp_free_i64(tmp2);
4120 tcg_temp_free_i64(tmp3);
4121 break;
4122 case 0x28: /* LDR R1,R2 [RR] */
4123 insn = ld_code2(s->pc);
4124 decode_rr(s, insn, &r1, &r2);
4125 tmp = load_freg(r2);
4126 store_freg(r1, tmp);
4127 tcg_temp_free_i64(tmp);
4128 break;
4129 case 0x38: /* LER R1,R2 [RR] */
4130 insn = ld_code2(s->pc);
4131 decode_rr(s, insn, &r1, &r2);
4132 tmp32_1 = load_freg32(r2);
4133 store_freg32(r1, tmp32_1);
4134 tcg_temp_free_i32(tmp32_1);
4135 break;
4136 case 0x40: /* STH R1,D2(X2,B2) [RX] */
4137 insn = ld_code4(s->pc);
4138 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4139 tmp2 = load_reg(r1);
4140 tcg_gen_qemu_st16(tmp2, tmp, get_mem_index(s));
4141 tcg_temp_free_i64(tmp);
4142 tcg_temp_free_i64(tmp2);
4143 break;
4144 case 0x41: /* la */
4145 insn = ld_code4(s->pc);
4146 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4147 store_reg(r1, tmp); /* FIXME: 31/24-bit addressing */
4148 tcg_temp_free_i64(tmp);
4149 break;
4150 case 0x42: /* STC R1,D2(X2,B2) [RX] */
4151 insn = ld_code4(s->pc);
4152 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4153 tmp2 = load_reg(r1);
4154 tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
4155 tcg_temp_free_i64(tmp);
4156 tcg_temp_free_i64(tmp2);
4157 break;
4158 case 0x43: /* IC R1,D2(X2,B2) [RX] */
4159 insn = ld_code4(s->pc);
4160 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4161 tmp2 = tcg_temp_new_i64();
4162 tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
4163 store_reg8(r1, tmp2);
4164 tcg_temp_free_i64(tmp);
4165 tcg_temp_free_i64(tmp2);
4166 break;
4167 case 0x44: /* EX R1,D2(X2,B2) [RX] */
4168 insn = ld_code4(s->pc);
4169 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4170 tmp2 = load_reg(r1);
4171 tmp3 = tcg_const_i64(s->pc + 4);
4172 update_psw_addr(s);
4173 gen_op_calc_cc(s);
4174 gen_helper_ex(cc_op, cc_op, tmp2, tmp, tmp3);
4175 set_cc_static(s);
4176 tcg_temp_free_i64(tmp);
4177 tcg_temp_free_i64(tmp2);
4178 tcg_temp_free_i64(tmp3);
4179 break;
4180 case 0x46: /* BCT R1,D2(X2,B2) [RX] */
4181 insn = ld_code4(s->pc);
4182 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4183 tcg_temp_free_i64(tmp);
4184
4185 tmp32_1 = load_reg32(r1);
4186 tcg_gen_subi_i32(tmp32_1, tmp32_1, 1);
4187 store_reg32(r1, tmp32_1);
4188
4189 gen_update_cc_op(s);
4190 l1 = gen_new_label();
4191 tcg_gen_brcondi_i32(TCG_COND_NE, tmp32_1, 0, l1);
4192
4193 /* not taking the branch, jump to after the instruction */
4194 gen_goto_tb(s, 0, s->pc + 4);
4195 gen_set_label(l1);
4196
4197 /* take the branch, move R2 into psw.addr */
4198 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4199 tcg_gen_mov_i64(psw_addr, tmp);
4200 s->is_jmp = DISAS_JUMP;
4201 tcg_temp_free_i32(tmp32_1);
4202 tcg_temp_free_i64(tmp);
4203 break;
4204 case 0x47: /* BC M1,D2(X2,B2) [RX] */
4205 insn = ld_code4(s->pc);
4206 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4207 gen_bcr(s, r1, tmp, s->pc + 4);
4208 tcg_temp_free_i64(tmp);
4209 s->is_jmp = DISAS_TB_JUMP;
4210 break;
4211 case 0x48: /* LH R1,D2(X2,B2) [RX] */
4212 insn = ld_code4(s->pc);
4213 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4214 tmp2 = tcg_temp_new_i64();
4215 tcg_gen_qemu_ld16s(tmp2, tmp, get_mem_index(s));
4216 store_reg32_i64(r1, tmp2);
4217 tcg_temp_free_i64(tmp);
4218 tcg_temp_free_i64(tmp2);
4219 break;
4220 case 0x49: /* CH R1,D2(X2,B2) [RX] */
4221 insn = ld_code4(s->pc);
4222 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4223 tmp32_1 = load_reg32(r1);
4224 tmp32_2 = tcg_temp_new_i32();
4225 tmp2 = tcg_temp_new_i64();
4226 tcg_gen_qemu_ld16s(tmp2, tmp, get_mem_index(s));
4227 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4228 cmp_s32(s, tmp32_1, tmp32_2);
4229 tcg_temp_free_i32(tmp32_1);
4230 tcg_temp_free_i32(tmp32_2);
4231 tcg_temp_free_i64(tmp);
4232 tcg_temp_free_i64(tmp2);
4233 break;
4234 case 0x4a: /* AH R1,D2(X2,B2) [RX] */
4235 case 0x4b: /* SH R1,D2(X2,B2) [RX] */
4236 case 0x4c: /* MH R1,D2(X2,B2) [RX] */
4237 insn = ld_code4(s->pc);
4238 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4239 tmp2 = tcg_temp_new_i64();
4240 tmp32_1 = load_reg32(r1);
4241 tmp32_2 = tcg_temp_new_i32();
4242 tmp32_3 = tcg_temp_new_i32();
4243
4244 tcg_gen_qemu_ld16s(tmp2, tmp, get_mem_index(s));
4245 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4246 switch (opc) {
4247 case 0x4a:
4248 tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
4249 set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
4250 break;
4251 case 0x4b:
4252 tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
4253 set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
4254 break;
4255 case 0x4c:
4256 tcg_gen_mul_i32(tmp32_3, tmp32_1, tmp32_2);
4257 break;
4258 default:
4259 tcg_abort();
4260 }
4261 store_reg32(r1, tmp32_3);
4262
4263 tcg_temp_free_i32(tmp32_1);
4264 tcg_temp_free_i32(tmp32_2);
4265 tcg_temp_free_i32(tmp32_3);
4266 tcg_temp_free_i64(tmp);
4267 tcg_temp_free_i64(tmp2);
4268 break;
4269 case 0x4d: /* BAS R1,D2(X2,B2) [RX] */
4270 insn = ld_code4(s->pc);
4271 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4272 tmp2 = tcg_const_i64(pc_to_link_info(s, s->pc + 4));
4273 store_reg(r1, tmp2);
4274 tcg_gen_mov_i64(psw_addr, tmp);
4275 tcg_temp_free_i64(tmp);
4276 tcg_temp_free_i64(tmp2);
4277 s->is_jmp = DISAS_JUMP;
4278 break;
4279 case 0x4e: /* CVD R1,D2(X2,B2) [RX] */
4280 insn = ld_code4(s->pc);
4281 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4282 tmp2 = tcg_temp_new_i64();
4283 tmp32_1 = tcg_temp_new_i32();
4284 tcg_gen_trunc_i64_i32(tmp32_1, regs[r1]);
4285 gen_helper_cvd(tmp2, tmp32_1);
4286 tcg_gen_qemu_st64(tmp2, tmp, get_mem_index(s));
4287 tcg_temp_free_i64(tmp);
4288 tcg_temp_free_i64(tmp2);
4289 tcg_temp_free_i32(tmp32_1);
4290 break;
4291 case 0x50: /* st r1, d2(x2, b2) */
4292 insn = ld_code4(s->pc);
4293 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4294 tmp2 = load_reg(r1);
4295 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
4296 tcg_temp_free_i64(tmp);
4297 tcg_temp_free_i64(tmp2);
4298 break;
4299 case 0x55: /* CL R1,D2(X2,B2) [RX] */
4300 insn = ld_code4(s->pc);
4301 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4302 tmp2 = tcg_temp_new_i64();
4303 tmp32_1 = tcg_temp_new_i32();
4304 tmp32_2 = load_reg32(r1);
4305 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4306 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
4307 cmp_u32(s, tmp32_2, tmp32_1);
4308 tcg_temp_free_i64(tmp);
4309 tcg_temp_free_i64(tmp2);
4310 tcg_temp_free_i32(tmp32_1);
4311 tcg_temp_free_i32(tmp32_2);
4312 break;
4313 case 0x54: /* N R1,D2(X2,B2) [RX] */
4314 case 0x56: /* O R1,D2(X2,B2) [RX] */
4315 case 0x57: /* X R1,D2(X2,B2) [RX] */
4316 insn = ld_code4(s->pc);
4317 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4318 tmp2 = tcg_temp_new_i64();
4319 tmp32_1 = load_reg32(r1);
4320 tmp32_2 = tcg_temp_new_i32();
4321 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4322 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4323 gen_and_or_xor_i32(opc, tmp32_1, tmp32_2);
4324 store_reg32(r1, tmp32_1);
4325 set_cc_nz_u32(s, tmp32_1);
4326 tcg_temp_free_i64(tmp);
4327 tcg_temp_free_i64(tmp2);
4328 tcg_temp_free_i32(tmp32_1);
4329 tcg_temp_free_i32(tmp32_2);
4330 break;
4331 case 0x58: /* l r1, d2(x2, b2) */
4332 insn = ld_code4(s->pc);
4333 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4334 tmp2 = tcg_temp_new_i64();
4335 tmp32_1 = tcg_temp_new_i32();
4336 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4337 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
4338 store_reg32(r1, tmp32_1);
4339 tcg_temp_free_i64(tmp);
4340 tcg_temp_free_i64(tmp2);
4341 tcg_temp_free_i32(tmp32_1);
4342 break;
4343 case 0x59: /* C R1,D2(X2,B2) [RX] */
4344 insn = ld_code4(s->pc);
4345 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4346 tmp2 = tcg_temp_new_i64();
4347 tmp32_1 = tcg_temp_new_i32();
4348 tmp32_2 = load_reg32(r1);
4349 tcg_gen_qemu_ld32s(tmp2, tmp, get_mem_index(s));
4350 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
4351 cmp_s32(s, tmp32_2, tmp32_1);
4352 tcg_temp_free_i64(tmp);
4353 tcg_temp_free_i64(tmp2);
4354 tcg_temp_free_i32(tmp32_1);
4355 tcg_temp_free_i32(tmp32_2);
4356 break;
4357 case 0x5a: /* A R1,D2(X2,B2) [RX] */
4358 case 0x5b: /* S R1,D2(X2,B2) [RX] */
4359 case 0x5e: /* AL R1,D2(X2,B2) [RX] */
4360 case 0x5f: /* SL R1,D2(X2,B2) [RX] */
4361 insn = ld_code4(s->pc);
4362 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4363 tmp32_1 = load_reg32(r1);
4364 tmp32_2 = tcg_temp_new_i32();
4365 tmp32_3 = tcg_temp_new_i32();
4366 tcg_gen_qemu_ld32s(tmp, tmp, get_mem_index(s));
4367 tcg_gen_trunc_i64_i32(tmp32_2, tmp);
4368 switch (opc) {
4369 case 0x5a:
4370 case 0x5e:
4371 tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
4372 break;
4373 case 0x5b:
4374 case 0x5f:
4375 tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
4376 break;
4377 default:
4378 tcg_abort();
4379 }
4380 store_reg32(r1, tmp32_3);
4381 switch (opc) {
4382 case 0x5a:
4383 set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
4384 break;
4385 case 0x5e:
4386 set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
4387 break;
4388 case 0x5b:
4389 set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
4390 break;
4391 case 0x5f:
4392 set_cc_subu32(s, tmp32_1, tmp32_2, tmp32_3);
4393 break;
4394 default:
4395 tcg_abort();
4396 }
4397 tcg_temp_free_i64(tmp);
4398 tcg_temp_free_i32(tmp32_1);
4399 tcg_temp_free_i32(tmp32_2);
4400 tcg_temp_free_i32(tmp32_3);
4401 break;
4402 case 0x5c: /* M R1,D2(X2,B2) [RX] */
4403 /* reg(r1, r1+1) = reg(r1+1) * *(s32*)addr */
4404 insn = ld_code4(s->pc);
4405 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4406 tmp2 = tcg_temp_new_i64();
4407 tcg_gen_qemu_ld32s(tmp2, tmp, get_mem_index(s));
4408 tmp3 = load_reg((r1 + 1) & 15);
4409 tcg_gen_ext32s_i64(tmp2, tmp2);
4410 tcg_gen_ext32s_i64(tmp3, tmp3);
4411 tcg_gen_mul_i64(tmp2, tmp2, tmp3);
4412 store_reg32_i64((r1 + 1) & 15, tmp2);
4413 tcg_gen_shri_i64(tmp2, tmp2, 32);
4414 store_reg32_i64(r1, tmp2);
4415 tcg_temp_free_i64(tmp);
4416 tcg_temp_free_i64(tmp2);
4417 tcg_temp_free_i64(tmp3);
4418 break;
4419 case 0x5d: /* D R1,D2(X2,B2) [RX] */
4420 insn = ld_code4(s->pc);
4421 tmp3 = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4422 tmp32_1 = load_reg32(r1);
4423 tmp32_2 = load_reg32(r1 + 1);
4424
4425 tmp = tcg_temp_new_i64();
4426 tmp2 = tcg_temp_new_i64();
4427
4428 /* dividend is r(r1 << 32) | r(r1 + 1) */
4429 tcg_gen_extu_i32_i64(tmp, tmp32_1);
4430 tcg_gen_extu_i32_i64(tmp2, tmp32_2);
4431 tcg_gen_shli_i64(tmp, tmp, 32);
4432 tcg_gen_or_i64(tmp, tmp, tmp2);
4433
4434 /* divisor is in memory */
4435 tcg_gen_qemu_ld32s(tmp2, tmp3, get_mem_index(s));
4436
4437 /* XXX divisor == 0 -> FixP divide exception */
4438
4439 tcg_gen_div_i64(tmp3, tmp, tmp2);
4440 tcg_gen_rem_i64(tmp, tmp, tmp2);
4441
4442 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
4443 tcg_gen_trunc_i64_i32(tmp32_2, tmp3);
4444
4445 store_reg32(r1, tmp32_1); /* remainder */
4446 store_reg32(r1 + 1, tmp32_2); /* quotient */
4447 tcg_temp_free_i32(tmp32_1);
4448 tcg_temp_free_i32(tmp32_2);
4449 tcg_temp_free_i64(tmp);
4450 tcg_temp_free_i64(tmp2);
4451 tcg_temp_free_i64(tmp3);
4452 break;
4453 case 0x60: /* STD R1,D2(X2,B2) [RX] */
4454 insn = ld_code4(s->pc);
4455 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4456 tmp2 = load_freg(r1);
4457 tcg_gen_qemu_st64(tmp2, tmp, get_mem_index(s));
4458 tcg_temp_free_i64(tmp);
4459 tcg_temp_free_i64(tmp2);
4460 break;
4461 case 0x68: /* LD R1,D2(X2,B2) [RX] */
4462 insn = ld_code4(s->pc);
4463 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4464 tmp2 = tcg_temp_new_i64();
4465 tcg_gen_qemu_ld64(tmp2, tmp, get_mem_index(s));
4466 store_freg(r1, tmp2);
4467 tcg_temp_free_i64(tmp);
4468 tcg_temp_free_i64(tmp2);
4469 break;
4470 case 0x70: /* STE R1,D2(X2,B2) [RX] */
4471 insn = ld_code4(s->pc);
4472 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4473 tmp2 = tcg_temp_new_i64();
4474 tmp32_1 = load_freg32(r1);
4475 tcg_gen_extu_i32_i64(tmp2, tmp32_1);
4476 tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
4477 tcg_temp_free_i64(tmp);
4478 tcg_temp_free_i64(tmp2);
4479 tcg_temp_free_i32(tmp32_1);
4480 break;
4481 case 0x71: /* MS R1,D2(X2,B2) [RX] */
4482 insn = ld_code4(s->pc);
4483 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4484 tmp2 = tcg_temp_new_i64();
4485 tmp32_1 = load_reg32(r1);
4486 tmp32_2 = tcg_temp_new_i32();
4487 tcg_gen_qemu_ld32s(tmp2, tmp, get_mem_index(s));
4488 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4489 tcg_gen_mul_i32(tmp32_1, tmp32_1, tmp32_2);
4490 store_reg32(r1, tmp32_1);
4491 tcg_temp_free_i64(tmp);
4492 tcg_temp_free_i64(tmp2);
4493 tcg_temp_free_i32(tmp32_1);
4494 tcg_temp_free_i32(tmp32_2);
4495 break;
4496 case 0x78: /* LE R1,D2(X2,B2) [RX] */
4497 insn = ld_code4(s->pc);
4498 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4499 tmp2 = tcg_temp_new_i64();
4500 tmp32_1 = tcg_temp_new_i32();
4501 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4502 tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
4503 store_freg32(r1, tmp32_1);
4504 tcg_temp_free_i64(tmp);
4505 tcg_temp_free_i64(tmp2);
4506 tcg_temp_free_i32(tmp32_1);
4507 break;
4508 #ifndef CONFIG_USER_ONLY
4509 case 0x80: /* SSM D2(B2) [S] */
4510 /* Set System Mask */
4511 check_privileged(s, ilc);
4512 insn = ld_code4(s->pc);
4513 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4514 tmp = get_address(s, 0, b2, d2);
4515 tmp2 = tcg_temp_new_i64();
4516 tmp3 = tcg_temp_new_i64();
4517 tcg_gen_andi_i64(tmp3, psw_mask, ~0xff00000000000000ULL);
4518 tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
4519 tcg_gen_shli_i64(tmp2, tmp2, 56);
4520 tcg_gen_or_i64(psw_mask, tmp3, tmp2);
4521 tcg_temp_free_i64(tmp);
4522 tcg_temp_free_i64(tmp2);
4523 tcg_temp_free_i64(tmp3);
4524 break;
4525 case 0x82: /* LPSW D2(B2) [S] */
4526 /* Load PSW */
4527 check_privileged(s, ilc);
4528 insn = ld_code4(s->pc);
4529 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4530 tmp = get_address(s, 0, b2, d2);
4531 tmp2 = tcg_temp_new_i64();
4532 tmp3 = tcg_temp_new_i64();
4533 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4534 tcg_gen_addi_i64(tmp, tmp, 4);
4535 tcg_gen_qemu_ld32u(tmp3, tmp, get_mem_index(s));
4536 gen_helper_load_psw(tmp2, tmp3);
4537 tcg_temp_free_i64(tmp);
4538 tcg_temp_free_i64(tmp2);
4539 tcg_temp_free_i64(tmp3);
4540 /* we need to keep cc_op intact */
4541 s->is_jmp = DISAS_JUMP;
4542 break;
4543 case 0x83: /* DIAG R1,R3,D2 [RS] */
4544 /* Diagnose call (KVM hypercall) */
4545 check_privileged(s, ilc);
4546 potential_page_fault(s);
4547 insn = ld_code4(s->pc);
4548 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4549 tmp32_1 = tcg_const_i32(insn & 0xfff);
4550 tmp2 = load_reg(2);
4551 tmp3 = load_reg(1);
4552 gen_helper_diag(tmp2, tmp32_1, tmp2, tmp3);
4553 store_reg(2, tmp2);
4554 tcg_temp_free_i32(tmp32_1);
4555 tcg_temp_free_i64(tmp2);
4556 tcg_temp_free_i64(tmp3);
4557 break;
4558 #endif
4559 case 0x88: /* SRL R1,D2(B2) [RS] */
4560 case 0x89: /* SLL R1,D2(B2) [RS] */
4561 case 0x8a: /* SRA R1,D2(B2) [RS] */
4562 insn = ld_code4(s->pc);
4563 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4564 tmp = get_address(s, 0, b2, d2);
4565 tmp32_1 = load_reg32(r1);
4566 tmp32_2 = tcg_temp_new_i32();
4567 tcg_gen_trunc_i64_i32(tmp32_2, tmp);
4568 tcg_gen_andi_i32(tmp32_2, tmp32_2, 0x3f);
4569 switch (opc) {
4570 case 0x88:
4571 tcg_gen_shr_i32(tmp32_1, tmp32_1, tmp32_2);
4572 break;
4573 case 0x89:
4574 tcg_gen_shl_i32(tmp32_1, tmp32_1, tmp32_2);
4575 break;
4576 case 0x8a:
4577 tcg_gen_sar_i32(tmp32_1, tmp32_1, tmp32_2);
4578 set_cc_s32(s, tmp32_1);
4579 break;
4580 default:
4581 tcg_abort();
4582 }
4583 store_reg32(r1, tmp32_1);
4584 tcg_temp_free_i64(tmp);
4585 tcg_temp_free_i32(tmp32_1);
4586 tcg_temp_free_i32(tmp32_2);
4587 break;
4588 case 0x8c: /* SRDL R1,D2(B2) [RS] */
4589 case 0x8d: /* SLDL R1,D2(B2) [RS] */
4590 case 0x8e: /* SRDA R1,D2(B2) [RS] */
4591 insn = ld_code4(s->pc);
4592 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4593 tmp = get_address(s, 0, b2, d2); /* shift */
4594 tmp2 = tcg_temp_new_i64();
4595 tmp32_1 = load_reg32(r1);
4596 tmp32_2 = load_reg32(r1 + 1);
4597 tcg_gen_concat_i32_i64(tmp2, tmp32_2, tmp32_1); /* operand */
4598 switch (opc) {
4599 case 0x8c:
4600 tcg_gen_shr_i64(tmp2, tmp2, tmp);
4601 break;
4602 case 0x8d:
4603 tcg_gen_shl_i64(tmp2, tmp2, tmp);
4604 break;
4605 case 0x8e:
4606 tcg_gen_sar_i64(tmp2, tmp2, tmp);
4607 set_cc_s64(s, tmp2);
4608 break;
4609 }
4610 tcg_gen_shri_i64(tmp, tmp2, 32);
4611 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
4612 store_reg32(r1, tmp32_1);
4613 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4614 store_reg32(r1 + 1, tmp32_2);
4615 tcg_temp_free_i64(tmp);
4616 tcg_temp_free_i64(tmp2);
4617 break;
4618 case 0x98: /* LM R1,R3,D2(B2) [RS] */
4619 case 0x90: /* STM R1,R3,D2(B2) [RS] */
4620 insn = ld_code4(s->pc);
4621 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4622
4623 tmp = get_address(s, 0, b2, d2);
4624 tmp2 = tcg_temp_new_i64();
4625 tmp3 = tcg_const_i64(4);
4626 tmp4 = tcg_const_i64(0xffffffff00000000ULL);
4627 for (i = r1;; i = (i + 1) % 16) {
4628 if (opc == 0x98) {
4629 tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
4630 tcg_gen_and_i64(regs[i], regs[i], tmp4);
4631 tcg_gen_or_i64(regs[i], regs[i], tmp2);
4632 } else {
4633 tcg_gen_qemu_st32(regs[i], tmp, get_mem_index(s));
4634 }
4635 if (i == r3) {
4636 break;
4637 }
4638 tcg_gen_add_i64(tmp, tmp, tmp3);
4639 }
4640 tcg_temp_free_i64(tmp);
4641 tcg_temp_free_i64(tmp2);
4642 tcg_temp_free_i64(tmp3);
4643 tcg_temp_free_i64(tmp4);
4644 break;
4645 case 0x91: /* TM D1(B1),I2 [SI] */
4646 insn = ld_code4(s->pc);
4647 tmp = decode_si(s, insn, &i2, &b1, &d1);
4648 tmp2 = tcg_const_i64(i2);
4649 tcg_gen_qemu_ld8u(tmp, tmp, get_mem_index(s));
4650 cmp_64(s, tmp, tmp2, CC_OP_TM_32);
4651 tcg_temp_free_i64(tmp);
4652 tcg_temp_free_i64(tmp2);
4653 break;
4654 case 0x92: /* MVI D1(B1),I2 [SI] */
4655 insn = ld_code4(s->pc);
4656 tmp = decode_si(s, insn, &i2, &b1, &d1);
4657 tmp2 = tcg_const_i64(i2);
4658 tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
4659 tcg_temp_free_i64(tmp);
4660 tcg_temp_free_i64(tmp2);
4661 break;
4662 case 0x94: /* NI D1(B1),I2 [SI] */
4663 case 0x96: /* OI D1(B1),I2 [SI] */
4664 case 0x97: /* XI D1(B1),I2 [SI] */
4665 insn = ld_code4(s->pc);
4666 tmp = decode_si(s, insn, &i2, &b1, &d1);
4667 tmp2 = tcg_temp_new_i64();
4668 tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
4669 switch (opc) {
4670 case 0x94:
4671 tcg_gen_andi_i64(tmp2, tmp2, i2);
4672 break;
4673 case 0x96:
4674 tcg_gen_ori_i64(tmp2, tmp2, i2);
4675 break;
4676 case 0x97:
4677 tcg_gen_xori_i64(tmp2, tmp2, i2);
4678 break;
4679 default:
4680 tcg_abort();
4681 }
4682 tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
4683 set_cc_nz_u64(s, tmp2);
4684 tcg_temp_free_i64(tmp);
4685 tcg_temp_free_i64(tmp2);
4686 break;
4687 case 0x95: /* CLI D1(B1),I2 [SI] */
4688 insn = ld_code4(s->pc);
4689 tmp = decode_si(s, insn, &i2, &b1, &d1);
4690 tmp2 = tcg_temp_new_i64();
4691 tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
4692 cmp_u64c(s, tmp2, i2);
4693 tcg_temp_free_i64(tmp);
4694 tcg_temp_free_i64(tmp2);
4695 break;
4696 case 0x9a: /* LAM R1,R3,D2(B2) [RS] */
4697 insn = ld_code4(s->pc);
4698 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4699 tmp = get_address(s, 0, b2, d2);
4700 tmp32_1 = tcg_const_i32(r1);
4701 tmp32_2 = tcg_const_i32(r3);
4702 potential_page_fault(s);
4703 gen_helper_lam(tmp32_1, tmp, tmp32_2);
4704 tcg_temp_free_i64(tmp);
4705 tcg_temp_free_i32(tmp32_1);
4706 tcg_temp_free_i32(tmp32_2);
4707 break;
4708 case 0x9b: /* STAM R1,R3,D2(B2) [RS] */
4709 insn = ld_code4(s->pc);
4710 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4711 tmp = get_address(s, 0, b2, d2);
4712 tmp32_1 = tcg_const_i32(r1);
4713 tmp32_2 = tcg_const_i32(r3);
4714 potential_page_fault(s);
4715 gen_helper_stam(tmp32_1, tmp, tmp32_2);
4716 tcg_temp_free_i64(tmp);
4717 tcg_temp_free_i32(tmp32_1);
4718 tcg_temp_free_i32(tmp32_2);
4719 break;
4720 case 0xa5:
4721 insn = ld_code4(s->pc);
4722 r1 = (insn >> 20) & 0xf;
4723 op = (insn >> 16) & 0xf;
4724 i2 = insn & 0xffff;
4725 disas_a5(s, op, r1, i2);
4726 break;
4727 case 0xa7:
4728 insn = ld_code4(s->pc);
4729 r1 = (insn >> 20) & 0xf;
4730 op = (insn >> 16) & 0xf;
4731 i2 = (short)insn;
4732 disas_a7(s, op, r1, i2);
4733 break;
4734 case 0xa8: /* MVCLE R1,R3,D2(B2) [RS] */
4735 insn = ld_code4(s->pc);
4736 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4737 tmp = get_address(s, 0, b2, d2);
4738 tmp32_1 = tcg_const_i32(r1);
4739 tmp32_2 = tcg_const_i32(r3);
4740 potential_page_fault(s);
4741 gen_helper_mvcle(cc_op, tmp32_1, tmp, tmp32_2);
4742 set_cc_static(s);
4743 tcg_temp_free_i64(tmp);
4744 tcg_temp_free_i32(tmp32_1);
4745 tcg_temp_free_i32(tmp32_2);
4746 break;
4747 case 0xa9: /* CLCLE R1,R3,D2(B2) [RS] */
4748 insn = ld_code4(s->pc);
4749 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4750 tmp = get_address(s, 0, b2, d2);
4751 tmp32_1 = tcg_const_i32(r1);
4752 tmp32_2 = tcg_const_i32(r3);
4753 potential_page_fault(s);
4754 gen_helper_clcle(cc_op, tmp32_1, tmp, tmp32_2);
4755 set_cc_static(s);
4756 tcg_temp_free_i64(tmp);
4757 tcg_temp_free_i32(tmp32_1);
4758 tcg_temp_free_i32(tmp32_2);
4759 break;
4760 #ifndef CONFIG_USER_ONLY
4761 case 0xac: /* STNSM D1(B1),I2 [SI] */
4762 case 0xad: /* STOSM D1(B1),I2 [SI] */
4763 check_privileged(s, ilc);
4764 insn = ld_code4(s->pc);
4765 tmp = decode_si(s, insn, &i2, &b1, &d1);
4766 tmp2 = tcg_temp_new_i64();
4767 tcg_gen_shri_i64(tmp2, psw_mask, 56);
4768 tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
4769 if (opc == 0xac) {
4770 tcg_gen_andi_i64(psw_mask, psw_mask,
4771 ((uint64_t)i2 << 56) | 0x00ffffffffffffffULL);
4772 } else {
4773 tcg_gen_ori_i64(psw_mask, psw_mask, (uint64_t)i2 << 56);
4774 }
4775 tcg_temp_free_i64(tmp);
4776 tcg_temp_free_i64(tmp2);
4777 break;
4778 case 0xae: /* SIGP R1,R3,D2(B2) [RS] */
4779 check_privileged(s, ilc);
4780 insn = ld_code4(s->pc);
4781 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4782 tmp = get_address(s, 0, b2, d2);
4783 tmp2 = load_reg(r3);
4784 tmp32_1 = tcg_const_i32(r1);
4785 potential_page_fault(s);
4786 gen_helper_sigp(cc_op, tmp, tmp32_1, tmp2);
4787 set_cc_static(s);
4788 tcg_temp_free_i64(tmp);
4789 tcg_temp_free_i64(tmp2);
4790 tcg_temp_free_i32(tmp32_1);
4791 break;
4792 case 0xb1: /* LRA R1,D2(X2, B2) [RX] */
4793 check_privileged(s, ilc);
4794 insn = ld_code4(s->pc);
4795 tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
4796 tmp32_1 = tcg_const_i32(r1);
4797 potential_page_fault(s);
4798 gen_helper_lra(cc_op, tmp, tmp32_1);
4799 set_cc_static(s);
4800 tcg_temp_free_i64(tmp);
4801 tcg_temp_free_i32(tmp32_1);
4802 break;
4803 #endif
4804 case 0xb2:
4805 insn = ld_code4(s->pc);
4806 op = (insn >> 16) & 0xff;
4807 switch (op) {
4808 case 0x9c: /* STFPC D2(B2) [S] */
4809 d2 = insn & 0xfff;
4810 b2 = (insn >> 12) & 0xf;
4811 tmp32_1 = tcg_temp_new_i32();
4812 tmp = tcg_temp_new_i64();
4813 tmp2 = get_address(s, 0, b2, d2);
4814 tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUState, fpc));
4815 tcg_gen_extu_i32_i64(tmp, tmp32_1);
4816 tcg_gen_qemu_st32(tmp, tmp2, get_mem_index(s));
4817 tcg_temp_free_i32(tmp32_1);
4818 tcg_temp_free_i64(tmp);
4819 tcg_temp_free_i64(tmp2);
4820 break;
4821 default:
4822 disas_b2(s, op, insn);
4823 break;
4824 }
4825 break;
4826 case 0xb3:
4827 insn = ld_code4(s->pc);
4828 op = (insn >> 16) & 0xff;
4829 r3 = (insn >> 12) & 0xf; /* aka m3 */
4830 r1 = (insn >> 4) & 0xf;
4831 r2 = insn & 0xf;
4832 disas_b3(s, op, r3, r1, r2);
4833 break;
4834 #ifndef CONFIG_USER_ONLY
4835 case 0xb6: /* STCTL R1,R3,D2(B2) [RS] */
4836 /* Store Control */
4837 check_privileged(s, ilc);
4838 insn = ld_code4(s->pc);
4839 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4840 tmp = get_address(s, 0, b2, d2);
4841 tmp32_1 = tcg_const_i32(r1);
4842 tmp32_2 = tcg_const_i32(r3);
4843 potential_page_fault(s);
4844 gen_helper_stctl(tmp32_1, tmp, tmp32_2);
4845 tcg_temp_free_i64(tmp);
4846 tcg_temp_free_i32(tmp32_1);
4847 tcg_temp_free_i32(tmp32_2);
4848 break;
4849 case 0xb7: /* LCTL R1,R3,D2(B2) [RS] */
4850 /* Load Control */
4851 check_privileged(s, ilc);
4852 insn = ld_code4(s->pc);
4853 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4854 tmp = get_address(s, 0, b2, d2);
4855 tmp32_1 = tcg_const_i32(r1);
4856 tmp32_2 = tcg_const_i32(r3);
4857 potential_page_fault(s);
4858 gen_helper_lctl(tmp32_1, tmp, tmp32_2);
4859 tcg_temp_free_i64(tmp);
4860 tcg_temp_free_i32(tmp32_1);
4861 tcg_temp_free_i32(tmp32_2);
4862 break;
4863 #endif
4864 case 0xb9:
4865 insn = ld_code4(s->pc);
4866 r1 = (insn >> 4) & 0xf;
4867 r2 = insn & 0xf;
4868 op = (insn >> 16) & 0xff;
4869 disas_b9(s, op, r1, r2);
4870 break;
4871 case 0xba: /* CS R1,R3,D2(B2) [RS] */
4872 insn = ld_code4(s->pc);
4873 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4874 tmp = get_address(s, 0, b2, d2);
4875 tmp32_1 = tcg_const_i32(r1);
4876 tmp32_2 = tcg_const_i32(r3);
4877 potential_page_fault(s);
4878 gen_helper_cs(cc_op, tmp32_1, tmp, tmp32_2);
4879 set_cc_static(s);
4880 tcg_temp_free_i64(tmp);
4881 tcg_temp_free_i32(tmp32_1);
4882 tcg_temp_free_i32(tmp32_2);
4883 break;
4884 case 0xbd: /* CLM R1,M3,D2(B2) [RS] */
4885 insn = ld_code4(s->pc);
4886 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4887 tmp = get_address(s, 0, b2, d2);
4888 tmp32_1 = load_reg32(r1);
4889 tmp32_2 = tcg_const_i32(r3);
4890 potential_page_fault(s);
4891 gen_helper_clm(cc_op, tmp32_1, tmp32_2, tmp);
4892 set_cc_static(s);
4893 tcg_temp_free_i64(tmp);
4894 tcg_temp_free_i32(tmp32_1);
4895 tcg_temp_free_i32(tmp32_2);
4896 break;
4897 case 0xbe: /* STCM R1,M3,D2(B2) [RS] */
4898 insn = ld_code4(s->pc);
4899 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4900 tmp = get_address(s, 0, b2, d2);
4901 tmp32_1 = load_reg32(r1);
4902 tmp32_2 = tcg_const_i32(r3);
4903 potential_page_fault(s);
4904 gen_helper_stcm(tmp32_1, tmp32_2, tmp);
4905 tcg_temp_free_i64(tmp);
4906 tcg_temp_free_i32(tmp32_1);
4907 tcg_temp_free_i32(tmp32_2);
4908 break;
4909 case 0xbf: /* ICM R1,M3,D2(B2) [RS] */
4910 insn = ld_code4(s->pc);
4911 decode_rs(s, insn, &r1, &r3, &b2, &d2);
4912 if (r3 == 15) {
4913 /* effectively a 32-bit load */
4914 tmp = get_address(s, 0, b2, d2);
4915 tmp32_1 = tcg_temp_new_i32();
4916 tmp32_2 = tcg_const_i32(r3);
4917 tcg_gen_qemu_ld32u(tmp, tmp, get_mem_index(s));
4918 store_reg32_i64(r1, tmp);
4919 tcg_gen_trunc_i64_i32(tmp32_1, tmp);
4920 set_cc_icm(s, tmp32_2, tmp32_1);
4921 tcg_temp_free_i64(tmp);
4922 tcg_temp_free_i32(tmp32_1);
4923 tcg_temp_free_i32(tmp32_2);
4924 } else if (r3) {
4925 uint32_t mask = 0x00ffffffUL;
4926 uint32_t shift = 24;
4927 int m3 = r3;
4928 tmp = get_address(s, 0, b2, d2);
4929 tmp2 = tcg_temp_new_i64();
4930 tmp32_1 = load_reg32(r1);
4931 tmp32_2 = tcg_temp_new_i32();
4932 tmp32_3 = tcg_const_i32(r3);
4933 tmp32_4 = tcg_const_i32(0);
4934 while (m3) {
4935 if (m3 & 8) {
4936 tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
4937 tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
4938 if (shift) {
4939 tcg_gen_shli_i32(tmp32_2, tmp32_2, shift);
4940 }
4941 tcg_gen_andi_i32(tmp32_1, tmp32_1, mask);
4942 tcg_gen_or_i32(tmp32_1, tmp32_1, tmp32_2);
4943 tcg_gen_or_i32(tmp32_4, tmp32_4, tmp32_2);
4944 tcg_gen_addi_i64(tmp, tmp, 1);
4945 }
4946 m3 = (m3 << 1) & 0xf;
4947 mask = (mask >> 8) | 0xff000000UL;
4948 shift -= 8;
4949 }
4950 store_reg32(r1, tmp32_1);
4951 set_cc_icm(s, tmp32_3, tmp32_4);
4952 tcg_temp_free_i64(tmp);
4953 tcg_temp_free_i64(tmp2);
4954 tcg_temp_free_i32(tmp32_1);
4955 tcg_temp_free_i32(tmp32_2);
4956 tcg_temp_free_i32(tmp32_3);
4957 tcg_temp_free_i32(tmp32_4);
4958 } else {
4959 /* i.e. env->cc = 0 */
4960 gen_op_movi_cc(s, 0);
4961 }
4962 break;
4963 case 0xc0:
4964 case 0xc2:
4965 insn = ld_code6(s->pc);
4966 r1 = (insn >> 36) & 0xf;
4967 op = (insn >> 32) & 0xf;
4968 i2 = (int)insn;
4969 switch (opc) {
4970 case 0xc0:
4971 disas_c0(s, op, r1, i2);
4972 break;
4973 case 0xc2:
4974 disas_c2(s, op, r1, i2);
4975 break;
4976 default:
4977 tcg_abort();
4978 }
4979 break;
4980 case 0xd2: /* MVC D1(L,B1),D2(B2) [SS] */
4981 case 0xd4: /* NC D1(L,B1),D2(B2) [SS] */
4982 case 0xd5: /* CLC D1(L,B1),D2(B2) [SS] */
4983 case 0xd6: /* OC D1(L,B1),D2(B2) [SS] */
4984 case 0xd7: /* XC D1(L,B1),D2(B2) [SS] */
4985 case 0xdc: /* TR D1(L,B1),D2(B2) [SS] */
4986 case 0xf3: /* UNPK D1(L1,B1),D2(L2,B2) [SS] */
4987 insn = ld_code6(s->pc);
4988 vl = tcg_const_i32((insn >> 32) & 0xff);
4989 b1 = (insn >> 28) & 0xf;
4990 b2 = (insn >> 12) & 0xf;
4991 d1 = (insn >> 16) & 0xfff;
4992 d2 = insn & 0xfff;
4993 tmp = get_address(s, 0, b1, d1);
4994 tmp2 = get_address(s, 0, b2, d2);
4995 switch (opc) {
4996 case 0xd2:
4997 gen_op_mvc(s, (insn >> 32) & 0xff, tmp, tmp2);
4998 break;
4999 case 0xd4:
5000 potential_page_fault(s);
5001 gen_helper_nc(cc_op, vl, tmp, tmp2);
5002 set_cc_static(s);
5003 break;
5004 case 0xd5:
5005 gen_op_clc(s, (insn >> 32) & 0xff, tmp, tmp2);
5006 break;
5007 case 0xd6:
5008 potential_page_fault(s);
5009 gen_helper_oc(cc_op, vl, tmp, tmp2);
5010 set_cc_static(s);
5011 break;
5012 case 0xd7:
5013 potential_page_fault(s);
5014 gen_helper_xc(cc_op, vl, tmp, tmp2);
5015 set_cc_static(s);
5016 break;
5017 case 0xdc:
5018 potential_page_fault(s);
5019 gen_helper_tr(vl, tmp, tmp2);
5020 set_cc_static(s);
5021 break;
5022 case 0xf3:
5023 potential_page_fault(s);
5024 gen_helper_unpk(vl, tmp, tmp2);
5025 break;
5026 default:
5027 tcg_abort();
5028 }
5029 tcg_temp_free_i64(tmp);
5030 tcg_temp_free_i64(tmp2);
5031 break;
5032 #ifndef CONFIG_USER_ONLY
5033 case 0xda: /* MVCP D1(R1,B1),D2(B2),R3 [SS] */
5034 case 0xdb: /* MVCS D1(R1,B1),D2(B2),R3 [SS] */
5035 check_privileged(s, ilc);
5036 potential_page_fault(s);
5037 insn = ld_code6(s->pc);
5038 r1 = (insn >> 36) & 0xf;
5039 r3 = (insn >> 32) & 0xf;
5040 b1 = (insn >> 28) & 0xf;
5041 d1 = (insn >> 16) & 0xfff;
5042 b2 = (insn >> 12) & 0xf;
5043 d2 = insn & 0xfff;
5044 tmp = load_reg(r1);
5045 /* XXX key in r3 */
5046 tmp2 = get_address(s, 0, b1, d1);
5047 tmp3 = get_address(s, 0, b2, d2);
5048 if (opc == 0xda) {
5049 gen_helper_mvcp(cc_op, tmp, tmp2, tmp3);
5050 } else {
5051 gen_helper_mvcs(cc_op, tmp, tmp2, tmp3);
5052 }
5053 set_cc_static(s);
5054 tcg_temp_free_i64(tmp);
5055 tcg_temp_free_i64(tmp2);
5056 tcg_temp_free_i64(tmp3);
5057 break;
5058 #endif
5059 case 0xe3:
5060 insn = ld_code6(s->pc);
5061 debug_insn(insn);
5062 op = insn & 0xff;
5063 r1 = (insn >> 36) & 0xf;
5064 x2 = (insn >> 32) & 0xf;
5065 b2 = (insn >> 28) & 0xf;
5066 d2 = ((int)((((insn >> 16) & 0xfff)
5067 | ((insn << 4) & 0xff000)) << 12)) >> 12;
5068 disas_e3(s, op, r1, x2, b2, d2 );
5069 break;
5070 #ifndef CONFIG_USER_ONLY
5071 case 0xe5:
5072 /* Test Protection */
5073 check_privileged(s, ilc);
5074 insn = ld_code6(s->pc);
5075 debug_insn(insn);
5076 disas_e5(s, insn);
5077 break;
5078 #endif
5079 case 0xeb:
5080 insn = ld_code6(s->pc);
5081 debug_insn(insn);
5082 op = insn & 0xff;
5083 r1 = (insn >> 36) & 0xf;
5084 r3 = (insn >> 32) & 0xf;
5085 b2 = (insn >> 28) & 0xf;
5086 d2 = ((int)((((insn >> 16) & 0xfff)
5087 | ((insn << 4) & 0xff000)) << 12)) >> 12;
5088 disas_eb(s, op, r1, r3, b2, d2);
5089 break;
5090 case 0xed:
5091 insn = ld_code6(s->pc);
5092 debug_insn(insn);
5093 op = insn & 0xff;
5094 r1 = (insn >> 36) & 0xf;
5095 x2 = (insn >> 32) & 0xf;
5096 b2 = (insn >> 28) & 0xf;
5097 d2 = (short)((insn >> 16) & 0xfff);
5098 r1b = (insn >> 12) & 0xf;
5099 disas_ed(s, op, r1, x2, b2, d2, r1b);
5100 break;
5101 default:
5102 LOG_DISAS("unimplemented opcode 0x%x\n", opc);
5103 gen_illegal_opcode(s, ilc);
5104 break;
5105 }
5106
5107 /* Instruction length is encoded in the opcode */
5108 s->pc += (ilc * 2);
5109 }
5110
5111 static inline void gen_intermediate_code_internal(CPUState *env,
5112 TranslationBlock *tb,
5113 int search_pc)
5114 {
5115 DisasContext dc;
5116 target_ulong pc_start;
5117 uint64_t next_page_start;
5118 uint16_t *gen_opc_end;
5119 int j, lj = -1;
5120 int num_insns, max_insns;
5121 CPUBreakpoint *bp;
5122
5123 pc_start = tb->pc;
5124
5125 /* 31-bit mode */
5126 if (!(tb->flags & FLAG_MASK_64)) {
5127 pc_start &= 0x7fffffff;
5128 }
5129
5130 dc.pc = pc_start;
5131 dc.is_jmp = DISAS_NEXT;
5132 dc.tb = tb;
5133 dc.cc_op = CC_OP_DYNAMIC;
5134
5135 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
5136
5137 next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
5138
5139 num_insns = 0;
5140 max_insns = tb->cflags & CF_COUNT_MASK;
5141 if (max_insns == 0) {
5142 max_insns = CF_COUNT_MASK;
5143 }
5144
5145 gen_icount_start();
5146
5147 do {
5148 if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
5149 QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
5150 if (bp->pc == dc.pc) {
5151 gen_debug(&dc);
5152 break;
5153 }
5154 }
5155 }
5156 if (search_pc) {
5157 j = gen_opc_ptr - gen_opc_buf;
5158 if (lj < j) {
5159 lj++;
5160 while (lj < j) {
5161 gen_opc_instr_start[lj++] = 0;
5162 }
5163 }
5164 gen_opc_pc[lj] = dc.pc;
5165 gen_opc_cc_op[lj] = dc.cc_op;
5166 gen_opc_instr_start[lj] = 1;
5167 gen_opc_icount[lj] = num_insns;
5168 }
5169 if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) {
5170 gen_io_start();
5171 }
5172 #if defined(S390X_DEBUG_DISAS_VERBOSE)
5173 LOG_DISAS("pc " TARGET_FMT_lx "\n",
5174 dc.pc);
5175 #endif
5176 disas_s390_insn(&dc);
5177
5178 num_insns++;
5179 if (env->singlestep_enabled) {
5180 gen_debug(&dc);
5181 }
5182 } while (!dc.is_jmp && gen_opc_ptr < gen_opc_end && dc.pc < next_page_start
5183 && num_insns < max_insns && !env->singlestep_enabled
5184 && !singlestep);
5185
5186 if (!dc.is_jmp) {
5187 update_psw_addr(&dc);
5188 }
5189
5190 if (singlestep && dc.cc_op != CC_OP_DYNAMIC) {
5191 gen_op_calc_cc(&dc);
5192 } else {
5193 /* next TB starts off with CC_OP_DYNAMIC, so make sure the cc op type
5194 is in env */
5195 gen_op_set_cc_op(&dc);
5196 }
5197
5198 if (tb->cflags & CF_LAST_IO) {
5199 gen_io_end();
5200 }
5201 /* Generate the return instruction */
5202 if (dc.is_jmp != DISAS_TB_JUMP) {
5203 tcg_gen_exit_tb(0);
5204 }
5205 gen_icount_end(tb, num_insns);
5206 *gen_opc_ptr = INDEX_op_end;
5207 if (search_pc) {
5208 j = gen_opc_ptr - gen_opc_buf;
5209 lj++;
5210 while (lj <= j) {
5211 gen_opc_instr_start[lj++] = 0;
5212 }
5213 } else {
5214 tb->size = dc.pc - pc_start;
5215 tb->icount = num_insns;
5216 }
5217 #if defined(S390X_DEBUG_DISAS)
5218 log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
5219 if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
5220 qemu_log("IN: %s\n", lookup_symbol(pc_start));
5221 log_target_disas(pc_start, dc.pc - pc_start, 1);
5222 qemu_log("\n");
5223 }
5224 #endif
5225 }
5226
5227 void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
5228 {
5229 gen_intermediate_code_internal(env, tb, 0);
5230 }
5231
5232 void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
5233 {
5234 gen_intermediate_code_internal(env, tb, 1);
5235 }
5236
5237 void restore_state_to_opc(CPUState *env, TranslationBlock *tb, int pc_pos)
5238 {
5239 int cc_op;
5240 env->psw.addr = gen_opc_pc[pc_pos];
5241 cc_op = gen_opc_cc_op[pc_pos];
5242 if ((cc_op != CC_OP_DYNAMIC) && (cc_op != CC_OP_STATIC)) {
5243 env->cc_op = cc_op;
5244 }
5245 }
AR7 emulation for QEMU