2 * Tiny Code Interpreter for QEMU
4 * Copyright (c) 2009, 2011 Stefan Weil
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 /* Defining NDEBUG disables assertions (which makes the code faster). */
23 #if !defined(CONFIG_DEBUG_TCG) && !defined(NDEBUG)
27 #include "qemu-common.h"
28 #include "exec-all.h" /* MAX_OPC_PARAM_IARGS */
31 /* Marker for missing code. */
34 fprintf(stderr, "TODO %s:%u: %s()\n", \
35 __FILE__, __LINE__, __func__); \
39 #if MAX_OPC_PARAM_IARGS != 5
40 # error Fix needed, number of supported input arguments changed!
42 #if TCG_TARGET_REG_BITS == 32
43 typedef uint64_t (*helper_function
)(tcg_target_ulong
, tcg_target_ulong
,
44 tcg_target_ulong
, tcg_target_ulong
,
45 tcg_target_ulong
, tcg_target_ulong
,
46 tcg_target_ulong
, tcg_target_ulong
,
47 tcg_target_ulong
, tcg_target_ulong
);
49 typedef uint64_t (*helper_function
)(tcg_target_ulong
, tcg_target_ulong
,
50 tcg_target_ulong
, tcg_target_ulong
,
54 /* TCI can optionally use a global register variable for env. */
59 /* Targets which don't use GETPC also don't need tci_tb_ptr
60 which makes them a little faster. */
65 static tcg_target_ulong tci_reg
[TCG_TARGET_NB_REGS
];
67 static tcg_target_ulong
tci_read_reg(TCGReg index
)
69 assert(index
< ARRAY_SIZE(tci_reg
));
70 return tci_reg
[index
];
73 #if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64
74 static int8_t tci_read_reg8s(TCGReg index
)
76 return (int8_t)tci_read_reg(index
);
80 #if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64
81 static int16_t tci_read_reg16s(TCGReg index
)
83 return (int16_t)tci_read_reg(index
);
87 #if TCG_TARGET_REG_BITS == 64
88 static int32_t tci_read_reg32s(TCGReg index
)
90 return (int32_t)tci_read_reg(index
);
94 static uint8_t tci_read_reg8(TCGReg index
)
96 return (uint8_t)tci_read_reg(index
);
99 static uint16_t tci_read_reg16(TCGReg index
)
101 return (uint16_t)tci_read_reg(index
);
104 static uint32_t tci_read_reg32(TCGReg index
)
106 return (uint32_t)tci_read_reg(index
);
109 #if TCG_TARGET_REG_BITS == 64
110 static uint64_t tci_read_reg64(TCGReg index
)
112 return tci_read_reg(index
);
116 static void tci_write_reg(TCGReg index
, tcg_target_ulong value
)
118 assert(index
< ARRAY_SIZE(tci_reg
));
119 assert(index
!= TCG_AREG0
);
120 tci_reg
[index
] = value
;
123 static void tci_write_reg8s(TCGReg index
, int8_t value
)
125 tci_write_reg(index
, value
);
128 static void tci_write_reg16s(TCGReg index
, int16_t value
)
130 tci_write_reg(index
, value
);
133 #if TCG_TARGET_REG_BITS == 64
134 static void tci_write_reg32s(TCGReg index
, int32_t value
)
136 tci_write_reg(index
, value
);
140 static void tci_write_reg8(TCGReg index
, uint8_t value
)
142 tci_write_reg(index
, value
);
145 static void tci_write_reg16(TCGReg index
, uint16_t value
)
147 tci_write_reg(index
, value
);
150 static void tci_write_reg32(TCGReg index
, uint32_t value
)
152 tci_write_reg(index
, value
);
155 #if TCG_TARGET_REG_BITS == 32
156 static void tci_write_reg64(uint32_t high_index
, uint32_t low_index
,
159 tci_write_reg(low_index
, value
);
160 tci_write_reg(high_index
, value
>> 32);
162 #elif TCG_TARGET_REG_BITS == 64
163 static void tci_write_reg64(TCGReg index
, uint64_t value
)
165 tci_write_reg(index
, value
);
169 #if TCG_TARGET_REG_BITS == 32
170 /* Create a 64 bit value from two 32 bit values. */
171 static uint64_t tci_uint64(uint32_t high
, uint32_t low
)
173 return ((uint64_t)high
<< 32) + low
;
177 /* Read constant (native size) from bytecode. */
178 static tcg_target_ulong
tci_read_i(uint8_t **tb_ptr
)
180 tcg_target_ulong value
= *(tcg_target_ulong
*)(*tb_ptr
);
181 *tb_ptr
+= sizeof(value
);
185 /* Read constant (32 bit) from bytecode. */
186 static uint32_t tci_read_i32(uint8_t **tb_ptr
)
188 uint32_t value
= *(uint32_t *)(*tb_ptr
);
189 *tb_ptr
+= sizeof(value
);
193 #if TCG_TARGET_REG_BITS == 64
194 /* Read constant (64 bit) from bytecode. */
195 static uint64_t tci_read_i64(uint8_t **tb_ptr
)
197 uint64_t value
= *(uint64_t *)(*tb_ptr
);
198 *tb_ptr
+= sizeof(value
);
203 /* Read indexed register (native size) from bytecode. */
204 static tcg_target_ulong
tci_read_r(uint8_t **tb_ptr
)
206 tcg_target_ulong value
= tci_read_reg(**tb_ptr
);
211 /* Read indexed register (8 bit) from bytecode. */
212 static uint8_t tci_read_r8(uint8_t **tb_ptr
)
214 uint8_t value
= tci_read_reg8(**tb_ptr
);
219 #if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64
220 /* Read indexed register (8 bit signed) from bytecode. */
221 static int8_t tci_read_r8s(uint8_t **tb_ptr
)
223 int8_t value
= tci_read_reg8s(**tb_ptr
);
229 /* Read indexed register (16 bit) from bytecode. */
230 static uint16_t tci_read_r16(uint8_t **tb_ptr
)
232 uint16_t value
= tci_read_reg16(**tb_ptr
);
237 #if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64
238 /* Read indexed register (16 bit signed) from bytecode. */
239 static int16_t tci_read_r16s(uint8_t **tb_ptr
)
241 int16_t value
= tci_read_reg16s(**tb_ptr
);
247 /* Read indexed register (32 bit) from bytecode. */
248 static uint32_t tci_read_r32(uint8_t **tb_ptr
)
250 uint32_t value
= tci_read_reg32(**tb_ptr
);
255 #if TCG_TARGET_REG_BITS == 32
256 /* Read two indexed registers (2 * 32 bit) from bytecode. */
257 static uint64_t tci_read_r64(uint8_t **tb_ptr
)
259 uint32_t low
= tci_read_r32(tb_ptr
);
260 return tci_uint64(tci_read_r32(tb_ptr
), low
);
262 #elif TCG_TARGET_REG_BITS == 64
263 /* Read indexed register (32 bit signed) from bytecode. */
264 static int32_t tci_read_r32s(uint8_t **tb_ptr
)
266 int32_t value
= tci_read_reg32s(**tb_ptr
);
271 /* Read indexed register (64 bit) from bytecode. */
272 static uint64_t tci_read_r64(uint8_t **tb_ptr
)
274 uint64_t value
= tci_read_reg64(**tb_ptr
);
280 /* Read indexed register(s) with target address from bytecode. */
281 static target_ulong
tci_read_ulong(uint8_t **tb_ptr
)
283 target_ulong taddr
= tci_read_r(tb_ptr
);
284 #if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
285 taddr
+= (uint64_t)tci_read_r(tb_ptr
) << 32;
290 /* Read indexed register or constant (native size) from bytecode. */
291 static tcg_target_ulong
tci_read_ri(uint8_t **tb_ptr
)
293 tcg_target_ulong value
;
296 if (r
== TCG_CONST
) {
297 value
= tci_read_i(tb_ptr
);
299 value
= tci_read_reg(r
);
304 /* Read indexed register or constant (32 bit) from bytecode. */
305 static uint32_t tci_read_ri32(uint8_t **tb_ptr
)
310 if (r
== TCG_CONST
) {
311 value
= tci_read_i32(tb_ptr
);
313 value
= tci_read_reg32(r
);
318 #if TCG_TARGET_REG_BITS == 32
319 /* Read two indexed registers or constants (2 * 32 bit) from bytecode. */
320 static uint64_t tci_read_ri64(uint8_t **tb_ptr
)
322 uint32_t low
= tci_read_ri32(tb_ptr
);
323 return tci_uint64(tci_read_ri32(tb_ptr
), low
);
325 #elif TCG_TARGET_REG_BITS == 64
326 /* Read indexed register or constant (64 bit) from bytecode. */
327 static uint64_t tci_read_ri64(uint8_t **tb_ptr
)
332 if (r
== TCG_CONST
) {
333 value
= tci_read_i64(tb_ptr
);
335 value
= tci_read_reg64(r
);
341 static target_ulong
tci_read_label(uint8_t **tb_ptr
)
343 target_ulong label
= tci_read_i(tb_ptr
);
348 static bool tci_compare32(uint32_t u0
, uint32_t u1
, TCGCond condition
)
390 static bool tci_compare64(uint64_t u0
, uint64_t u1
, TCGCond condition
)
432 /* Interpret pseudo code in tb. */
433 tcg_target_ulong
tcg_qemu_tb_exec(CPUArchState
*cpustate
, uint8_t *tb_ptr
)
435 tcg_target_ulong next_tb
= 0;
438 tci_reg
[TCG_AREG0
] = (tcg_target_ulong
)env
;
443 tci_tb_ptr
= (uintptr_t)tb_ptr
;
445 TCGOpcode opc
= tb_ptr
[0];
447 uint8_t op_size
= tb_ptr
[1];
448 uint8_t *old_code_ptr
= tb_ptr
;
453 tcg_target_ulong label
;
456 #ifndef CONFIG_SOFTMMU
457 tcg_target_ulong host_addr
;
463 #if TCG_TARGET_REG_BITS == 32
467 /* Skip opcode and size entry. */
478 case INDEX_op_discard
:
481 case INDEX_op_set_label
:
485 t0
= tci_read_ri(&tb_ptr
);
486 #if TCG_TARGET_REG_BITS == 32
487 tmp64
= ((helper_function
)t0
)(tci_read_reg(TCG_REG_R0
),
488 tci_read_reg(TCG_REG_R1
),
489 tci_read_reg(TCG_REG_R2
),
490 tci_read_reg(TCG_REG_R3
),
491 tci_read_reg(TCG_REG_R5
),
492 tci_read_reg(TCG_REG_R6
),
493 tci_read_reg(TCG_REG_R7
),
494 tci_read_reg(TCG_REG_R8
),
495 tci_read_reg(TCG_REG_R9
),
496 tci_read_reg(TCG_REG_R10
));
497 tci_write_reg(TCG_REG_R0
, tmp64
);
498 tci_write_reg(TCG_REG_R1
, tmp64
>> 32);
500 tmp64
= ((helper_function
)t0
)(tci_read_reg(TCG_REG_R0
),
501 tci_read_reg(TCG_REG_R1
),
502 tci_read_reg(TCG_REG_R2
),
503 tci_read_reg(TCG_REG_R3
),
504 tci_read_reg(TCG_REG_R5
));
505 tci_write_reg(TCG_REG_R0
, tmp64
);
510 label
= tci_read_label(&tb_ptr
);
511 assert(tb_ptr
== old_code_ptr
+ op_size
);
512 tb_ptr
= (uint8_t *)label
;
514 case INDEX_op_setcond_i32
:
516 t1
= tci_read_r32(&tb_ptr
);
517 t2
= tci_read_ri32(&tb_ptr
);
518 condition
= *tb_ptr
++;
519 tci_write_reg32(t0
, tci_compare32(t1
, t2
, condition
));
521 #if TCG_TARGET_REG_BITS == 32
522 case INDEX_op_setcond2_i32
:
524 tmp64
= tci_read_r64(&tb_ptr
);
525 v64
= tci_read_ri64(&tb_ptr
);
526 condition
= *tb_ptr
++;
527 tci_write_reg32(t0
, tci_compare64(tmp64
, v64
, condition
));
529 #elif TCG_TARGET_REG_BITS == 64
530 case INDEX_op_setcond_i64
:
532 t1
= tci_read_r64(&tb_ptr
);
533 t2
= tci_read_ri64(&tb_ptr
);
534 condition
= *tb_ptr
++;
535 tci_write_reg64(t0
, tci_compare64(t1
, t2
, condition
));
538 case INDEX_op_mov_i32
:
540 t1
= tci_read_r32(&tb_ptr
);
541 tci_write_reg32(t0
, t1
);
543 case INDEX_op_movi_i32
:
545 t1
= tci_read_i32(&tb_ptr
);
546 tci_write_reg32(t0
, t1
);
549 /* Load/store operations (32 bit). */
551 case INDEX_op_ld8u_i32
:
553 t1
= tci_read_r(&tb_ptr
);
554 t2
= tci_read_i32(&tb_ptr
);
555 tci_write_reg8(t0
, *(uint8_t *)(t1
+ t2
));
557 case INDEX_op_ld8s_i32
:
558 case INDEX_op_ld16u_i32
:
561 case INDEX_op_ld16s_i32
:
564 case INDEX_op_ld_i32
:
566 t1
= tci_read_r(&tb_ptr
);
567 t2
= tci_read_i32(&tb_ptr
);
568 tci_write_reg32(t0
, *(uint32_t *)(t1
+ t2
));
570 case INDEX_op_st8_i32
:
571 t0
= tci_read_r8(&tb_ptr
);
572 t1
= tci_read_r(&tb_ptr
);
573 t2
= tci_read_i32(&tb_ptr
);
574 *(uint8_t *)(t1
+ t2
) = t0
;
576 case INDEX_op_st16_i32
:
577 t0
= tci_read_r16(&tb_ptr
);
578 t1
= tci_read_r(&tb_ptr
);
579 t2
= tci_read_i32(&tb_ptr
);
580 *(uint16_t *)(t1
+ t2
) = t0
;
582 case INDEX_op_st_i32
:
583 t0
= tci_read_r32(&tb_ptr
);
584 t1
= tci_read_r(&tb_ptr
);
585 t2
= tci_read_i32(&tb_ptr
);
586 *(uint32_t *)(t1
+ t2
) = t0
;
589 /* Arithmetic operations (32 bit). */
591 case INDEX_op_add_i32
:
593 t1
= tci_read_ri32(&tb_ptr
);
594 t2
= tci_read_ri32(&tb_ptr
);
595 tci_write_reg32(t0
, t1
+ t2
);
597 case INDEX_op_sub_i32
:
599 t1
= tci_read_ri32(&tb_ptr
);
600 t2
= tci_read_ri32(&tb_ptr
);
601 tci_write_reg32(t0
, t1
- t2
);
603 case INDEX_op_mul_i32
:
605 t1
= tci_read_ri32(&tb_ptr
);
606 t2
= tci_read_ri32(&tb_ptr
);
607 tci_write_reg32(t0
, t1
* t2
);
609 #if TCG_TARGET_HAS_div_i32
610 case INDEX_op_div_i32
:
612 t1
= tci_read_ri32(&tb_ptr
);
613 t2
= tci_read_ri32(&tb_ptr
);
614 tci_write_reg32(t0
, (int32_t)t1
/ (int32_t)t2
);
616 case INDEX_op_divu_i32
:
618 t1
= tci_read_ri32(&tb_ptr
);
619 t2
= tci_read_ri32(&tb_ptr
);
620 tci_write_reg32(t0
, t1
/ t2
);
622 case INDEX_op_rem_i32
:
624 t1
= tci_read_ri32(&tb_ptr
);
625 t2
= tci_read_ri32(&tb_ptr
);
626 tci_write_reg32(t0
, (int32_t)t1
% (int32_t)t2
);
628 case INDEX_op_remu_i32
:
630 t1
= tci_read_ri32(&tb_ptr
);
631 t2
= tci_read_ri32(&tb_ptr
);
632 tci_write_reg32(t0
, t1
% t2
);
634 #elif TCG_TARGET_HAS_div2_i32
635 case INDEX_op_div2_i32
:
636 case INDEX_op_divu2_i32
:
640 case INDEX_op_and_i32
:
642 t1
= tci_read_ri32(&tb_ptr
);
643 t2
= tci_read_ri32(&tb_ptr
);
644 tci_write_reg32(t0
, t1
& t2
);
646 case INDEX_op_or_i32
:
648 t1
= tci_read_ri32(&tb_ptr
);
649 t2
= tci_read_ri32(&tb_ptr
);
650 tci_write_reg32(t0
, t1
| t2
);
652 case INDEX_op_xor_i32
:
654 t1
= tci_read_ri32(&tb_ptr
);
655 t2
= tci_read_ri32(&tb_ptr
);
656 tci_write_reg32(t0
, t1
^ t2
);
659 /* Shift/rotate operations (32 bit). */
661 case INDEX_op_shl_i32
:
663 t1
= tci_read_ri32(&tb_ptr
);
664 t2
= tci_read_ri32(&tb_ptr
);
665 tci_write_reg32(t0
, t1
<< t2
);
667 case INDEX_op_shr_i32
:
669 t1
= tci_read_ri32(&tb_ptr
);
670 t2
= tci_read_ri32(&tb_ptr
);
671 tci_write_reg32(t0
, t1
>> t2
);
673 case INDEX_op_sar_i32
:
675 t1
= tci_read_ri32(&tb_ptr
);
676 t2
= tci_read_ri32(&tb_ptr
);
677 tci_write_reg32(t0
, ((int32_t)t1
>> t2
));
679 #if TCG_TARGET_HAS_rot_i32
680 case INDEX_op_rotl_i32
:
682 t1
= tci_read_ri32(&tb_ptr
);
683 t2
= tci_read_ri32(&tb_ptr
);
684 tci_write_reg32(t0
, (t1
<< t2
) | (t1
>> (32 - t2
)));
686 case INDEX_op_rotr_i32
:
688 t1
= tci_read_ri32(&tb_ptr
);
689 t2
= tci_read_ri32(&tb_ptr
);
690 tci_write_reg32(t0
, (t1
>> t2
) | (t1
<< (32 - t2
)));
693 case INDEX_op_brcond_i32
:
694 t0
= tci_read_r32(&tb_ptr
);
695 t1
= tci_read_ri32(&tb_ptr
);
696 condition
= *tb_ptr
++;
697 label
= tci_read_label(&tb_ptr
);
698 if (tci_compare32(t0
, t1
, condition
)) {
699 assert(tb_ptr
== old_code_ptr
+ op_size
);
700 tb_ptr
= (uint8_t *)label
;
704 #if TCG_TARGET_REG_BITS == 32
705 case INDEX_op_add2_i32
:
708 tmp64
= tci_read_r64(&tb_ptr
);
709 tmp64
+= tci_read_r64(&tb_ptr
);
710 tci_write_reg64(t1
, t0
, tmp64
);
712 case INDEX_op_sub2_i32
:
715 tmp64
= tci_read_r64(&tb_ptr
);
716 tmp64
-= tci_read_r64(&tb_ptr
);
717 tci_write_reg64(t1
, t0
, tmp64
);
719 case INDEX_op_brcond2_i32
:
720 tmp64
= tci_read_r64(&tb_ptr
);
721 v64
= tci_read_ri64(&tb_ptr
);
722 condition
= *tb_ptr
++;
723 label
= tci_read_label(&tb_ptr
);
724 if (tci_compare64(tmp64
, v64
, condition
)) {
725 assert(tb_ptr
== old_code_ptr
+ op_size
);
726 tb_ptr
= (uint8_t *)label
;
730 case INDEX_op_mulu2_i32
:
733 t2
= tci_read_r32(&tb_ptr
);
734 tmp64
= tci_read_r32(&tb_ptr
);
735 tci_write_reg64(t1
, t0
, t2
* tmp64
);
737 #endif /* TCG_TARGET_REG_BITS == 32 */
738 #if TCG_TARGET_HAS_ext8s_i32
739 case INDEX_op_ext8s_i32
:
741 t1
= tci_read_r8s(&tb_ptr
);
742 tci_write_reg32(t0
, t1
);
745 #if TCG_TARGET_HAS_ext16s_i32
746 case INDEX_op_ext16s_i32
:
748 t1
= tci_read_r16s(&tb_ptr
);
749 tci_write_reg32(t0
, t1
);
752 #if TCG_TARGET_HAS_ext8u_i32
753 case INDEX_op_ext8u_i32
:
755 t1
= tci_read_r8(&tb_ptr
);
756 tci_write_reg32(t0
, t1
);
759 #if TCG_TARGET_HAS_ext16u_i32
760 case INDEX_op_ext16u_i32
:
762 t1
= tci_read_r16(&tb_ptr
);
763 tci_write_reg32(t0
, t1
);
766 #if TCG_TARGET_HAS_bswap16_i32
767 case INDEX_op_bswap16_i32
:
769 t1
= tci_read_r16(&tb_ptr
);
770 tci_write_reg32(t0
, bswap16(t1
));
773 #if TCG_TARGET_HAS_bswap32_i32
774 case INDEX_op_bswap32_i32
:
776 t1
= tci_read_r32(&tb_ptr
);
777 tci_write_reg32(t0
, bswap32(t1
));
780 #if TCG_TARGET_HAS_not_i32
781 case INDEX_op_not_i32
:
783 t1
= tci_read_r32(&tb_ptr
);
784 tci_write_reg32(t0
, ~t1
);
787 #if TCG_TARGET_HAS_neg_i32
788 case INDEX_op_neg_i32
:
790 t1
= tci_read_r32(&tb_ptr
);
791 tci_write_reg32(t0
, -t1
);
794 #if TCG_TARGET_REG_BITS == 64
795 case INDEX_op_mov_i64
:
797 t1
= tci_read_r64(&tb_ptr
);
798 tci_write_reg64(t0
, t1
);
800 case INDEX_op_movi_i64
:
802 t1
= tci_read_i64(&tb_ptr
);
803 tci_write_reg64(t0
, t1
);
806 /* Load/store operations (64 bit). */
808 case INDEX_op_ld8u_i64
:
810 t1
= tci_read_r(&tb_ptr
);
811 t2
= tci_read_i32(&tb_ptr
);
812 tci_write_reg8(t0
, *(uint8_t *)(t1
+ t2
));
814 case INDEX_op_ld8s_i64
:
815 case INDEX_op_ld16u_i64
:
816 case INDEX_op_ld16s_i64
:
819 case INDEX_op_ld32u_i64
:
821 t1
= tci_read_r(&tb_ptr
);
822 t2
= tci_read_i32(&tb_ptr
);
823 tci_write_reg32(t0
, *(uint32_t *)(t1
+ t2
));
825 case INDEX_op_ld32s_i64
:
827 t1
= tci_read_r(&tb_ptr
);
828 t2
= tci_read_i32(&tb_ptr
);
829 tci_write_reg32s(t0
, *(int32_t *)(t1
+ t2
));
831 case INDEX_op_ld_i64
:
833 t1
= tci_read_r(&tb_ptr
);
834 t2
= tci_read_i32(&tb_ptr
);
835 tci_write_reg64(t0
, *(uint64_t *)(t1
+ t2
));
837 case INDEX_op_st8_i64
:
838 t0
= tci_read_r8(&tb_ptr
);
839 t1
= tci_read_r(&tb_ptr
);
840 t2
= tci_read_i32(&tb_ptr
);
841 *(uint8_t *)(t1
+ t2
) = t0
;
843 case INDEX_op_st16_i64
:
844 t0
= tci_read_r16(&tb_ptr
);
845 t1
= tci_read_r(&tb_ptr
);
846 t2
= tci_read_i32(&tb_ptr
);
847 *(uint16_t *)(t1
+ t2
) = t0
;
849 case INDEX_op_st32_i64
:
850 t0
= tci_read_r32(&tb_ptr
);
851 t1
= tci_read_r(&tb_ptr
);
852 t2
= tci_read_i32(&tb_ptr
);
853 *(uint32_t *)(t1
+ t2
) = t0
;
855 case INDEX_op_st_i64
:
856 t0
= tci_read_r64(&tb_ptr
);
857 t1
= tci_read_r(&tb_ptr
);
858 t2
= tci_read_i32(&tb_ptr
);
859 *(uint64_t *)(t1
+ t2
) = t0
;
862 /* Arithmetic operations (64 bit). */
864 case INDEX_op_add_i64
:
866 t1
= tci_read_ri64(&tb_ptr
);
867 t2
= tci_read_ri64(&tb_ptr
);
868 tci_write_reg64(t0
, t1
+ t2
);
870 case INDEX_op_sub_i64
:
872 t1
= tci_read_ri64(&tb_ptr
);
873 t2
= tci_read_ri64(&tb_ptr
);
874 tci_write_reg64(t0
, t1
- t2
);
876 case INDEX_op_mul_i64
:
878 t1
= tci_read_ri64(&tb_ptr
);
879 t2
= tci_read_ri64(&tb_ptr
);
880 tci_write_reg64(t0
, t1
* t2
);
882 #if TCG_TARGET_HAS_div_i64
883 case INDEX_op_div_i64
:
884 case INDEX_op_divu_i64
:
885 case INDEX_op_rem_i64
:
886 case INDEX_op_remu_i64
:
889 #elif TCG_TARGET_HAS_div2_i64
890 case INDEX_op_div2_i64
:
891 case INDEX_op_divu2_i64
:
895 case INDEX_op_and_i64
:
897 t1
= tci_read_ri64(&tb_ptr
);
898 t2
= tci_read_ri64(&tb_ptr
);
899 tci_write_reg64(t0
, t1
& t2
);
901 case INDEX_op_or_i64
:
903 t1
= tci_read_ri64(&tb_ptr
);
904 t2
= tci_read_ri64(&tb_ptr
);
905 tci_write_reg64(t0
, t1
| t2
);
907 case INDEX_op_xor_i64
:
909 t1
= tci_read_ri64(&tb_ptr
);
910 t2
= tci_read_ri64(&tb_ptr
);
911 tci_write_reg64(t0
, t1
^ t2
);
914 /* Shift/rotate operations (64 bit). */
916 case INDEX_op_shl_i64
:
918 t1
= tci_read_ri64(&tb_ptr
);
919 t2
= tci_read_ri64(&tb_ptr
);
920 tci_write_reg64(t0
, t1
<< t2
);
922 case INDEX_op_shr_i64
:
924 t1
= tci_read_ri64(&tb_ptr
);
925 t2
= tci_read_ri64(&tb_ptr
);
926 tci_write_reg64(t0
, t1
>> t2
);
928 case INDEX_op_sar_i64
:
930 t1
= tci_read_ri64(&tb_ptr
);
931 t2
= tci_read_ri64(&tb_ptr
);
932 tci_write_reg64(t0
, ((int64_t)t1
>> t2
));
934 #if TCG_TARGET_HAS_rot_i64
935 case INDEX_op_rotl_i64
:
936 case INDEX_op_rotr_i64
:
940 case INDEX_op_brcond_i64
:
941 t0
= tci_read_r64(&tb_ptr
);
942 t1
= tci_read_ri64(&tb_ptr
);
943 condition
= *tb_ptr
++;
944 label
= tci_read_label(&tb_ptr
);
945 if (tci_compare64(t0
, t1
, condition
)) {
946 assert(tb_ptr
== old_code_ptr
+ op_size
);
947 tb_ptr
= (uint8_t *)label
;
951 #if TCG_TARGET_HAS_ext8u_i64
952 case INDEX_op_ext8u_i64
:
954 t1
= tci_read_r8(&tb_ptr
);
955 tci_write_reg64(t0
, t1
);
958 #if TCG_TARGET_HAS_ext8s_i64
959 case INDEX_op_ext8s_i64
:
961 t1
= tci_read_r8s(&tb_ptr
);
962 tci_write_reg64(t0
, t1
);
965 #if TCG_TARGET_HAS_ext16s_i64
966 case INDEX_op_ext16s_i64
:
968 t1
= tci_read_r16s(&tb_ptr
);
969 tci_write_reg64(t0
, t1
);
972 #if TCG_TARGET_HAS_ext16u_i64
973 case INDEX_op_ext16u_i64
:
975 t1
= tci_read_r16(&tb_ptr
);
976 tci_write_reg64(t0
, t1
);
979 #if TCG_TARGET_HAS_ext32s_i64
980 case INDEX_op_ext32s_i64
:
982 t1
= tci_read_r32s(&tb_ptr
);
983 tci_write_reg64(t0
, t1
);
986 #if TCG_TARGET_HAS_ext32u_i64
987 case INDEX_op_ext32u_i64
:
989 t1
= tci_read_r32(&tb_ptr
);
990 tci_write_reg64(t0
, t1
);
993 #if TCG_TARGET_HAS_bswap16_i64
994 case INDEX_op_bswap16_i64
:
997 t1
= tci_read_r16(&tb_ptr
);
998 tci_write_reg64(t0
, bswap16(t1
));
1001 #if TCG_TARGET_HAS_bswap32_i64
1002 case INDEX_op_bswap32_i64
:
1004 t1
= tci_read_r32(&tb_ptr
);
1005 tci_write_reg64(t0
, bswap32(t1
));
1008 #if TCG_TARGET_HAS_bswap64_i64
1009 case INDEX_op_bswap64_i64
:
1011 t1
= tci_read_r64(&tb_ptr
);
1012 tci_write_reg64(t0
, bswap64(t1
));
1015 #if TCG_TARGET_HAS_not_i64
1016 case INDEX_op_not_i64
:
1018 t1
= tci_read_r64(&tb_ptr
);
1019 tci_write_reg64(t0
, ~t1
);
1022 #if TCG_TARGET_HAS_neg_i64
1023 case INDEX_op_neg_i64
:
1025 t1
= tci_read_r64(&tb_ptr
);
1026 tci_write_reg64(t0
, -t1
);
1029 #endif /* TCG_TARGET_REG_BITS == 64 */
1031 /* QEMU specific operations. */
1033 #if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
1034 case INDEX_op_debug_insn_start
:
1038 case INDEX_op_debug_insn_start
:
1042 case INDEX_op_exit_tb
:
1043 next_tb
= *(uint64_t *)tb_ptr
;
1046 case INDEX_op_goto_tb
:
1047 t0
= tci_read_i32(&tb_ptr
);
1048 assert(tb_ptr
== old_code_ptr
+ op_size
);
1049 tb_ptr
+= (int32_t)t0
;
1051 case INDEX_op_qemu_ld8u
:
1053 taddr
= tci_read_ulong(&tb_ptr
);
1054 #ifdef CONFIG_SOFTMMU
1055 tmp8
= helper_ldb_mmu(env
, taddr
, tci_read_i(&tb_ptr
));
1057 host_addr
= (tcg_target_ulong
)taddr
;
1058 assert(taddr
== host_addr
);
1059 tmp8
= *(uint8_t *)(host_addr
+ GUEST_BASE
);
1061 tci_write_reg8(t0
, tmp8
);
1063 case INDEX_op_qemu_ld8s
:
1065 taddr
= tci_read_ulong(&tb_ptr
);
1066 #ifdef CONFIG_SOFTMMU
1067 tmp8
= helper_ldb_mmu(env
, taddr
, tci_read_i(&tb_ptr
));
1069 host_addr
= (tcg_target_ulong
)taddr
;
1070 assert(taddr
== host_addr
);
1071 tmp8
= *(uint8_t *)(host_addr
+ GUEST_BASE
);
1073 tci_write_reg8s(t0
, tmp8
);
1075 case INDEX_op_qemu_ld16u
:
1077 taddr
= tci_read_ulong(&tb_ptr
);
1078 #ifdef CONFIG_SOFTMMU
1079 tmp16
= helper_ldw_mmu(env
, taddr
, tci_read_i(&tb_ptr
));
1081 host_addr
= (tcg_target_ulong
)taddr
;
1082 assert(taddr
== host_addr
);
1083 tmp16
= tswap16(*(uint16_t *)(host_addr
+ GUEST_BASE
));
1085 tci_write_reg16(t0
, tmp16
);
1087 case INDEX_op_qemu_ld16s
:
1089 taddr
= tci_read_ulong(&tb_ptr
);
1090 #ifdef CONFIG_SOFTMMU
1091 tmp16
= helper_ldw_mmu(env
, taddr
, tci_read_i(&tb_ptr
));
1093 host_addr
= (tcg_target_ulong
)taddr
;
1094 assert(taddr
== host_addr
);
1095 tmp16
= tswap16(*(uint16_t *)(host_addr
+ GUEST_BASE
));
1097 tci_write_reg16s(t0
, tmp16
);
1099 #if TCG_TARGET_REG_BITS == 64
1100 case INDEX_op_qemu_ld32u
:
1102 taddr
= tci_read_ulong(&tb_ptr
);
1103 #ifdef CONFIG_SOFTMMU
1104 tmp32
= helper_ldl_mmu(env
, taddr
, tci_read_i(&tb_ptr
));
1106 host_addr
= (tcg_target_ulong
)taddr
;
1107 assert(taddr
== host_addr
);
1108 tmp32
= tswap32(*(uint32_t *)(host_addr
+ GUEST_BASE
));
1110 tci_write_reg32(t0
, tmp32
);
1112 case INDEX_op_qemu_ld32s
:
1114 taddr
= tci_read_ulong(&tb_ptr
);
1115 #ifdef CONFIG_SOFTMMU
1116 tmp32
= helper_ldl_mmu(env
, taddr
, tci_read_i(&tb_ptr
));
1118 host_addr
= (tcg_target_ulong
)taddr
;
1119 assert(taddr
== host_addr
);
1120 tmp32
= tswap32(*(uint32_t *)(host_addr
+ GUEST_BASE
));
1122 tci_write_reg32s(t0
, tmp32
);
1124 #endif /* TCG_TARGET_REG_BITS == 64 */
1125 case INDEX_op_qemu_ld32
:
1127 taddr
= tci_read_ulong(&tb_ptr
);
1128 #ifdef CONFIG_SOFTMMU
1129 tmp32
= helper_ldl_mmu(env
, taddr
, tci_read_i(&tb_ptr
));
1131 host_addr
= (tcg_target_ulong
)taddr
;
1132 assert(taddr
== host_addr
);
1133 tmp32
= tswap32(*(uint32_t *)(host_addr
+ GUEST_BASE
));
1135 tci_write_reg32(t0
, tmp32
);
1137 case INDEX_op_qemu_ld64
:
1139 #if TCG_TARGET_REG_BITS == 32
1142 taddr
= tci_read_ulong(&tb_ptr
);
1143 #ifdef CONFIG_SOFTMMU
1144 tmp64
= helper_ldq_mmu(env
, taddr
, tci_read_i(&tb_ptr
));
1146 host_addr
= (tcg_target_ulong
)taddr
;
1147 assert(taddr
== host_addr
);
1148 tmp64
= tswap64(*(uint64_t *)(host_addr
+ GUEST_BASE
));
1150 tci_write_reg(t0
, tmp64
);
1151 #if TCG_TARGET_REG_BITS == 32
1152 tci_write_reg(t1
, tmp64
>> 32);
1155 case INDEX_op_qemu_st8
:
1156 t0
= tci_read_r8(&tb_ptr
);
1157 taddr
= tci_read_ulong(&tb_ptr
);
1158 #ifdef CONFIG_SOFTMMU
1159 t2
= tci_read_i(&tb_ptr
);
1160 helper_stb_mmu(env
, taddr
, t0
, t2
);
1162 host_addr
= (tcg_target_ulong
)taddr
;
1163 assert(taddr
== host_addr
);
1164 *(uint8_t *)(host_addr
+ GUEST_BASE
) = t0
;
1167 case INDEX_op_qemu_st16
:
1168 t0
= tci_read_r16(&tb_ptr
);
1169 taddr
= tci_read_ulong(&tb_ptr
);
1170 #ifdef CONFIG_SOFTMMU
1171 t2
= tci_read_i(&tb_ptr
);
1172 helper_stw_mmu(env
, taddr
, t0
, t2
);
1174 host_addr
= (tcg_target_ulong
)taddr
;
1175 assert(taddr
== host_addr
);
1176 *(uint16_t *)(host_addr
+ GUEST_BASE
) = tswap16(t0
);
1179 case INDEX_op_qemu_st32
:
1180 t0
= tci_read_r32(&tb_ptr
);
1181 taddr
= tci_read_ulong(&tb_ptr
);
1182 #ifdef CONFIG_SOFTMMU
1183 t2
= tci_read_i(&tb_ptr
);
1184 helper_stl_mmu(env
, taddr
, t0
, t2
);
1186 host_addr
= (tcg_target_ulong
)taddr
;
1187 assert(taddr
== host_addr
);
1188 *(uint32_t *)(host_addr
+ GUEST_BASE
) = tswap32(t0
);
1191 case INDEX_op_qemu_st64
:
1192 tmp64
= tci_read_r64(&tb_ptr
);
1193 taddr
= tci_read_ulong(&tb_ptr
);
1194 #ifdef CONFIG_SOFTMMU
1195 t2
= tci_read_i(&tb_ptr
);
1196 helper_stq_mmu(env
, taddr
, tmp64
, t2
);
1198 host_addr
= (tcg_target_ulong
)taddr
;
1199 assert(taddr
== host_addr
);
1200 *(uint64_t *)(host_addr
+ GUEST_BASE
) = tswap64(tmp64
);
1207 assert(tb_ptr
== old_code_ptr
+ op_size
);