4 * Copyright (c) 2005 Samuel Tardieu
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library 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 GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #define SH4_DEBUG_DISAS
29 //#define SH4_SINGLE_STEP
35 #include "qemu-common.h"
41 typedef struct DisasContext
{
42 struct TranslationBlock
*tb
;
51 int singlestep_enabled
;
54 #if defined(CONFIG_USER_ONLY)
55 #define IS_USER(ctx) 1
57 #define IS_USER(ctx) (!(ctx->sr & SR_MD))
61 BS_NONE
= 0, /* We go out of the TB without reaching a branch or an
64 BS_STOP
= 1, /* We want to stop translation for any reason */
65 BS_BRANCH
= 2, /* We reached a branch condition */
66 BS_EXCP
= 3, /* We reached an exception condition */
69 /* global register indexes */
70 static TCGv_ptr cpu_env
;
71 static TCGv cpu_gregs
[24];
72 static TCGv cpu_pc
, cpu_sr
, cpu_ssr
, cpu_spc
, cpu_gbr
;
73 static TCGv cpu_vbr
, cpu_sgr
, cpu_dbr
, cpu_mach
, cpu_macl
;
74 static TCGv cpu_pr
, cpu_fpscr
, cpu_fpul
;
75 static TCGv cpu_fregs
[32];
77 /* internal register indexes */
78 static TCGv cpu_flags
, cpu_delayed_pc
;
80 #include "gen-icount.h"
82 static void sh4_translate_init(void)
85 static int done_init
= 0;
86 static const char * const gregnames
[24] = {
87 "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
88 "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
89 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
90 "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
91 "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
93 static const char * const fregnames
[32] = {
94 "FPR0_BANK0", "FPR1_BANK0", "FPR2_BANK0", "FPR3_BANK0",
95 "FPR4_BANK0", "FPR5_BANK0", "FPR6_BANK0", "FPR7_BANK0",
96 "FPR8_BANK0", "FPR9_BANK0", "FPR10_BANK0", "FPR11_BANK0",
97 "FPR12_BANK0", "FPR13_BANK0", "FPR14_BANK0", "FPR15_BANK0",
98 "FPR0_BANK1", "FPR1_BANK1", "FPR2_BANK1", "FPR3_BANK1",
99 "FPR4_BANK1", "FPR5_BANK1", "FPR6_BANK1", "FPR7_BANK1",
100 "FPR8_BANK1", "FPR9_BANK1", "FPR10_BANK1", "FPR11_BANK1",
101 "FPR12_BANK1", "FPR13_BANK1", "FPR14_BANK1", "FPR15_BANK1",
107 cpu_env
= tcg_global_reg_new_ptr(TCG_AREG0
, "env");
109 for (i
= 0; i
< 24; i
++)
110 cpu_gregs
[i
] = tcg_global_mem_new_i32(TCG_AREG0
,
111 offsetof(CPUState
, gregs
[i
]),
114 cpu_pc
= tcg_global_mem_new_i32(TCG_AREG0
,
115 offsetof(CPUState
, pc
), "PC");
116 cpu_sr
= tcg_global_mem_new_i32(TCG_AREG0
,
117 offsetof(CPUState
, sr
), "SR");
118 cpu_ssr
= tcg_global_mem_new_i32(TCG_AREG0
,
119 offsetof(CPUState
, ssr
), "SSR");
120 cpu_spc
= tcg_global_mem_new_i32(TCG_AREG0
,
121 offsetof(CPUState
, spc
), "SPC");
122 cpu_gbr
= tcg_global_mem_new_i32(TCG_AREG0
,
123 offsetof(CPUState
, gbr
), "GBR");
124 cpu_vbr
= tcg_global_mem_new_i32(TCG_AREG0
,
125 offsetof(CPUState
, vbr
), "VBR");
126 cpu_sgr
= tcg_global_mem_new_i32(TCG_AREG0
,
127 offsetof(CPUState
, sgr
), "SGR");
128 cpu_dbr
= tcg_global_mem_new_i32(TCG_AREG0
,
129 offsetof(CPUState
, dbr
), "DBR");
130 cpu_mach
= tcg_global_mem_new_i32(TCG_AREG0
,
131 offsetof(CPUState
, mach
), "MACH");
132 cpu_macl
= tcg_global_mem_new_i32(TCG_AREG0
,
133 offsetof(CPUState
, macl
), "MACL");
134 cpu_pr
= tcg_global_mem_new_i32(TCG_AREG0
,
135 offsetof(CPUState
, pr
), "PR");
136 cpu_fpscr
= tcg_global_mem_new_i32(TCG_AREG0
,
137 offsetof(CPUState
, fpscr
), "FPSCR");
138 cpu_fpul
= tcg_global_mem_new_i32(TCG_AREG0
,
139 offsetof(CPUState
, fpul
), "FPUL");
141 cpu_flags
= tcg_global_mem_new_i32(TCG_AREG0
,
142 offsetof(CPUState
, flags
), "_flags_");
143 cpu_delayed_pc
= tcg_global_mem_new_i32(TCG_AREG0
,
144 offsetof(CPUState
, delayed_pc
),
147 for (i
= 0; i
< 32; i
++)
148 cpu_fregs
[i
] = tcg_global_mem_new_i32(TCG_AREG0
,
149 offsetof(CPUState
, fregs
[i
]),
152 /* register helpers */
159 void cpu_dump_state(CPUState
* env
, FILE * f
,
160 int (*cpu_fprintf
) (FILE * f
, const char *fmt
, ...),
164 cpu_fprintf(f
, "pc=0x%08x sr=0x%08x pr=0x%08x fpscr=0x%08x\n",
165 env
->pc
, env
->sr
, env
->pr
, env
->fpscr
);
166 cpu_fprintf(f
, "spc=0x%08x ssr=0x%08x gbr=0x%08x vbr=0x%08x\n",
167 env
->spc
, env
->ssr
, env
->gbr
, env
->vbr
);
168 cpu_fprintf(f
, "sgr=0x%08x dbr=0x%08x delayed_pc=0x%08x fpul=0x%08x\n",
169 env
->sgr
, env
->dbr
, env
->delayed_pc
, env
->fpul
);
170 for (i
= 0; i
< 24; i
+= 4) {
171 cpu_fprintf(f
, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n",
172 i
, env
->gregs
[i
], i
+ 1, env
->gregs
[i
+ 1],
173 i
+ 2, env
->gregs
[i
+ 2], i
+ 3, env
->gregs
[i
+ 3]);
175 if (env
->flags
& DELAY_SLOT
) {
176 cpu_fprintf(f
, "in delay slot (delayed_pc=0x%08x)\n",
178 } else if (env
->flags
& DELAY_SLOT_CONDITIONAL
) {
179 cpu_fprintf(f
, "in conditional delay slot (delayed_pc=0x%08x)\n",
184 static void cpu_sh4_reset(CPUSH4State
* env
)
186 #if defined(CONFIG_USER_ONLY)
187 env
->sr
= SR_FD
; /* FD - kernel does lazy fpu context switch */
189 env
->sr
= 0x700000F0; /* MD, RB, BL, I3-I0 */
192 env
->pc
= 0xA0000000;
193 #if defined(CONFIG_USER_ONLY)
194 env
->fpscr
= FPSCR_PR
; /* value for userspace according to the kernel */
195 set_float_rounding_mode(float_round_nearest_even
, &env
->fp_status
); /* ?! */
197 env
->fpscr
= 0x00040001; /* CPU reset value according to SH4 manual */
198 set_float_rounding_mode(float_round_to_zero
, &env
->fp_status
);
211 static sh4_def_t sh4_defs
[] = {
214 .id
= SH_CPU_SH7750R
,
220 .id
= SH_CPU_SH7751R
,
223 .cvr
= 0x00110000, /* Neutered caches, should be 0x20480000 */
227 static const sh4_def_t
*cpu_sh4_find_by_name(const char *name
)
231 if (strcasecmp(name
, "any") == 0)
234 for (i
= 0; i
< sizeof(sh4_defs
) / sizeof(*sh4_defs
); i
++)
235 if (strcasecmp(name
, sh4_defs
[i
].name
) == 0)
241 void sh4_cpu_list(FILE *f
, int (*cpu_fprintf
)(FILE *f
, const char *fmt
, ...))
245 for (i
= 0; i
< sizeof(sh4_defs
) / sizeof(*sh4_defs
); i
++)
246 (*cpu_fprintf
)(f
, "%s\n", sh4_defs
[i
].name
);
249 static void cpu_sh4_register(CPUSH4State
*env
, const sh4_def_t
*def
)
257 CPUSH4State
*cpu_sh4_init(const char *cpu_model
)
260 const sh4_def_t
*def
;
262 def
= cpu_sh4_find_by_name(cpu_model
);
265 env
= qemu_mallocz(sizeof(CPUSH4State
));
269 sh4_translate_init();
270 env
->cpu_model_str
= cpu_model
;
272 cpu_sh4_register(env
, def
);
277 static void gen_goto_tb(DisasContext
* ctx
, int n
, target_ulong dest
)
279 TranslationBlock
*tb
;
282 if ((tb
->pc
& TARGET_PAGE_MASK
) == (dest
& TARGET_PAGE_MASK
) &&
283 !ctx
->singlestep_enabled
) {
284 /* Use a direct jump if in same page and singlestep not enabled */
286 tcg_gen_movi_i32(cpu_pc
, dest
);
287 tcg_gen_exit_tb((long) tb
+ n
);
289 tcg_gen_movi_i32(cpu_pc
, dest
);
290 if (ctx
->singlestep_enabled
)
296 static void gen_jump(DisasContext
* ctx
)
298 if (ctx
->delayed_pc
== (uint32_t) - 1) {
299 /* Target is not statically known, it comes necessarily from a
300 delayed jump as immediate jump are conditinal jumps */
301 tcg_gen_mov_i32(cpu_pc
, cpu_delayed_pc
);
302 if (ctx
->singlestep_enabled
)
306 gen_goto_tb(ctx
, 0, ctx
->delayed_pc
);
310 static inline void gen_branch_slot(uint32_t delayed_pc
, int t
)
313 int label
= gen_new_label();
314 tcg_gen_movi_i32(cpu_delayed_pc
, delayed_pc
);
316 tcg_gen_andi_i32(sr
, cpu_sr
, SR_T
);
317 tcg_gen_brcondi_i32(TCG_COND_NE
, sr
, t
? SR_T
: 0, label
);
318 tcg_gen_ori_i32(cpu_flags
, cpu_flags
, DELAY_SLOT_TRUE
);
319 gen_set_label(label
);
322 /* Immediate conditional jump (bt or bf) */
323 static void gen_conditional_jump(DisasContext
* ctx
,
324 target_ulong ift
, target_ulong ifnott
)
329 l1
= gen_new_label();
331 tcg_gen_andi_i32(sr
, cpu_sr
, SR_T
);
332 tcg_gen_brcondi_i32(TCG_COND_EQ
, sr
, SR_T
, l1
);
333 gen_goto_tb(ctx
, 0, ifnott
);
335 gen_goto_tb(ctx
, 1, ift
);
338 /* Delayed conditional jump (bt or bf) */
339 static void gen_delayed_conditional_jump(DisasContext
* ctx
)
344 l1
= gen_new_label();
346 tcg_gen_andi_i32(ds
, cpu_flags
, DELAY_SLOT_TRUE
);
347 tcg_gen_brcondi_i32(TCG_COND_EQ
, ds
, DELAY_SLOT_TRUE
, l1
);
348 gen_goto_tb(ctx
, 1, ctx
->pc
+ 2);
350 tcg_gen_andi_i32(cpu_flags
, cpu_flags
, ~DELAY_SLOT_TRUE
);
354 static inline void gen_set_t(void)
356 tcg_gen_ori_i32(cpu_sr
, cpu_sr
, SR_T
);
359 static inline void gen_clr_t(void)
361 tcg_gen_andi_i32(cpu_sr
, cpu_sr
, ~SR_T
);
364 static inline void gen_cmp(int cond
, TCGv t0
, TCGv t1
)
366 int label1
= gen_new_label();
367 int label2
= gen_new_label();
368 tcg_gen_brcond_i32(cond
, t1
, t0
, label1
);
371 gen_set_label(label1
);
373 gen_set_label(label2
);
376 static inline void gen_cmp_imm(int cond
, TCGv t0
, int32_t imm
)
378 int label1
= gen_new_label();
379 int label2
= gen_new_label();
380 tcg_gen_brcondi_i32(cond
, t0
, imm
, label1
);
383 gen_set_label(label1
);
385 gen_set_label(label2
);
388 static inline void gen_store_flags(uint32_t flags
)
390 tcg_gen_andi_i32(cpu_flags
, cpu_flags
, DELAY_SLOT_TRUE
);
391 tcg_gen_ori_i32(cpu_flags
, cpu_flags
, flags
);
394 static inline void gen_copy_bit_i32(TCGv t0
, int p0
, TCGv t1
, int p1
)
396 TCGv tmp
= tcg_temp_new();
401 tcg_gen_andi_i32(tmp
, t1
, (1 << p1
));
402 tcg_gen_andi_i32(t0
, t0
, ~(1 << p0
));
404 tcg_gen_shri_i32(tmp
, tmp
, p1
- p0
);
406 tcg_gen_shli_i32(tmp
, tmp
, p0
- p1
);
407 tcg_gen_or_i32(t0
, t0
, tmp
);
412 static inline void gen_load_fpr64(TCGv_i64 t
, int reg
)
414 tcg_gen_concat_i32_i64(t
, cpu_fregs
[reg
+ 1], cpu_fregs
[reg
]);
417 static inline void gen_store_fpr64 (TCGv_i64 t
, int reg
)
419 TCGv_i32 tmp
= tcg_temp_new_i32();
420 tcg_gen_trunc_i64_i32(tmp
, t
);
421 tcg_gen_mov_i32(cpu_fregs
[reg
+ 1], tmp
);
422 tcg_gen_shri_i64(t
, t
, 32);
423 tcg_gen_trunc_i64_i32(tmp
, t
);
424 tcg_gen_mov_i32(cpu_fregs
[reg
], tmp
);
425 tcg_temp_free_i32(tmp
);
428 #define B3_0 (ctx->opcode & 0xf)
429 #define B6_4 ((ctx->opcode >> 4) & 0x7)
430 #define B7_4 ((ctx->opcode >> 4) & 0xf)
431 #define B7_0 (ctx->opcode & 0xff)
432 #define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff))
433 #define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \
434 (ctx->opcode & 0xfff))
435 #define B11_8 ((ctx->opcode >> 8) & 0xf)
436 #define B15_12 ((ctx->opcode >> 12) & 0xf)
438 #define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \
439 (cpu_gregs[x + 16]) : (cpu_gregs[x]))
441 #define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \
442 ? (cpu_gregs[x + 16]) : (cpu_gregs[x]))
444 #define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x))
445 #define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe))
446 #define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x))
447 #define DREG(x) FREG(x) /* Assumes lsb of (x) is always 0 */
449 #define CHECK_NOT_DELAY_SLOT \
450 if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \
452 tcg_gen_movi_i32(cpu_pc, ctx->pc-2); \
453 gen_helper_raise_slot_illegal_instruction(); \
454 ctx->bstate = BS_EXCP; \
458 #define CHECK_PRIVILEGED \
459 if (IS_USER(ctx)) { \
460 tcg_gen_movi_i32(cpu_pc, ctx->pc); \
461 gen_helper_raise_illegal_instruction(); \
462 ctx->bstate = BS_EXCP; \
466 #define CHECK_FPU_ENABLED \
467 if (ctx->flags & SR_FD) { \
468 if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) { \
469 tcg_gen_movi_i32(cpu_pc, ctx->pc-2); \
470 gen_helper_raise_slot_fpu_disable(); \
472 tcg_gen_movi_i32(cpu_pc, ctx->pc); \
473 gen_helper_raise_fpu_disable(); \
475 ctx->bstate = BS_EXCP; \
479 static void _decode_opc(DisasContext
* ctx
)
482 fprintf(stderr
, "Translating opcode 0x%04x\n", ctx
->opcode
);
484 switch (ctx
->opcode
) {
485 case 0x0019: /* div0u */
486 tcg_gen_andi_i32(cpu_sr
, cpu_sr
, ~(SR_M
| SR_Q
| SR_T
));
488 case 0x000b: /* rts */
490 tcg_gen_mov_i32(cpu_delayed_pc
, cpu_pr
);
491 ctx
->flags
|= DELAY_SLOT
;
492 ctx
->delayed_pc
= (uint32_t) - 1;
494 case 0x0028: /* clrmac */
495 tcg_gen_movi_i32(cpu_mach
, 0);
496 tcg_gen_movi_i32(cpu_macl
, 0);
498 case 0x0048: /* clrs */
499 tcg_gen_andi_i32(cpu_sr
, cpu_sr
, ~SR_S
);
501 case 0x0008: /* clrt */
504 case 0x0038: /* ldtlb */
508 case 0x002b: /* rte */
511 tcg_gen_mov_i32(cpu_sr
, cpu_ssr
);
512 tcg_gen_mov_i32(cpu_delayed_pc
, cpu_spc
);
513 ctx
->flags
|= DELAY_SLOT
;
514 ctx
->delayed_pc
= (uint32_t) - 1;
516 case 0x0058: /* sets */
517 tcg_gen_ori_i32(cpu_sr
, cpu_sr
, SR_S
);
519 case 0x0018: /* sett */
522 case 0xfbfd: /* frchg */
523 tcg_gen_xori_i32(cpu_fpscr
, cpu_fpscr
, FPSCR_FR
);
524 ctx
->bstate
= BS_STOP
;
526 case 0xf3fd: /* fschg */
527 tcg_gen_xori_i32(cpu_fpscr
, cpu_fpscr
, FPSCR_SZ
);
528 ctx
->bstate
= BS_STOP
;
530 case 0x0009: /* nop */
532 case 0x001b: /* sleep */
534 gen_helper_sleep(tcg_const_i32(ctx
->pc
+ 2));
538 switch (ctx
->opcode
& 0xf000) {
539 case 0x1000: /* mov.l Rm,@(disp,Rn) */
541 TCGv addr
= tcg_temp_new();
542 tcg_gen_addi_i32(addr
, REG(B11_8
), B3_0
* 4);
543 tcg_gen_qemu_st32(REG(B7_4
), addr
, ctx
->memidx
);
547 case 0x5000: /* mov.l @(disp,Rm),Rn */
549 TCGv addr
= tcg_temp_new();
550 tcg_gen_addi_i32(addr
, REG(B7_4
), B3_0
* 4);
551 tcg_gen_qemu_ld32s(REG(B11_8
), addr
, ctx
->memidx
);
555 case 0xe000: /* mov #imm,Rn */
556 tcg_gen_movi_i32(REG(B11_8
), B7_0s
);
558 case 0x9000: /* mov.w @(disp,PC),Rn */
560 TCGv addr
= tcg_const_i32(ctx
->pc
+ 4 + B7_0
* 2);
561 tcg_gen_qemu_ld16s(REG(B11_8
), addr
, ctx
->memidx
);
565 case 0xd000: /* mov.l @(disp,PC),Rn */
567 TCGv addr
= tcg_const_i32((ctx
->pc
+ 4 + B7_0
* 4) & ~3);
568 tcg_gen_qemu_ld32s(REG(B11_8
), addr
, ctx
->memidx
);
572 case 0x7000: /* add #imm,Rn */
573 tcg_gen_addi_i32(REG(B11_8
), REG(B11_8
), B7_0s
);
575 case 0xa000: /* bra disp */
577 ctx
->delayed_pc
= ctx
->pc
+ 4 + B11_0s
* 2;
578 tcg_gen_movi_i32(cpu_delayed_pc
, ctx
->delayed_pc
);
579 ctx
->flags
|= DELAY_SLOT
;
581 case 0xb000: /* bsr disp */
583 tcg_gen_movi_i32(cpu_pr
, ctx
->pc
+ 4);
584 ctx
->delayed_pc
= ctx
->pc
+ 4 + B11_0s
* 2;
585 tcg_gen_movi_i32(cpu_delayed_pc
, ctx
->delayed_pc
);
586 ctx
->flags
|= DELAY_SLOT
;
590 switch (ctx
->opcode
& 0xf00f) {
591 case 0x6003: /* mov Rm,Rn */
592 tcg_gen_mov_i32(REG(B11_8
), REG(B7_4
));
594 case 0x2000: /* mov.b Rm,@Rn */
595 tcg_gen_qemu_st8(REG(B7_4
), REG(B11_8
), ctx
->memidx
);
597 case 0x2001: /* mov.w Rm,@Rn */
598 tcg_gen_qemu_st16(REG(B7_4
), REG(B11_8
), ctx
->memidx
);
600 case 0x2002: /* mov.l Rm,@Rn */
601 tcg_gen_qemu_st32(REG(B7_4
), REG(B11_8
), ctx
->memidx
);
603 case 0x6000: /* mov.b @Rm,Rn */
604 tcg_gen_qemu_ld8s(REG(B11_8
), REG(B7_4
), ctx
->memidx
);
606 case 0x6001: /* mov.w @Rm,Rn */
607 tcg_gen_qemu_ld16s(REG(B11_8
), REG(B7_4
), ctx
->memidx
);
609 case 0x6002: /* mov.l @Rm,Rn */
610 tcg_gen_qemu_ld32s(REG(B11_8
), REG(B7_4
), ctx
->memidx
);
612 case 0x2004: /* mov.b Rm,@-Rn */
614 TCGv addr
= tcg_temp_new();
615 tcg_gen_subi_i32(addr
, REG(B11_8
), 1);
616 tcg_gen_qemu_st8(REG(B7_4
), addr
, ctx
->memidx
); /* might cause re-execution */
617 tcg_gen_subi_i32(REG(B11_8
), REG(B11_8
), 1); /* modify register status */
621 case 0x2005: /* mov.w Rm,@-Rn */
623 TCGv addr
= tcg_temp_new();
624 tcg_gen_subi_i32(addr
, REG(B11_8
), 2);
625 tcg_gen_qemu_st16(REG(B7_4
), addr
, ctx
->memidx
);
626 tcg_gen_subi_i32(REG(B11_8
), REG(B11_8
), 2);
630 case 0x2006: /* mov.l Rm,@-Rn */
632 TCGv addr
= tcg_temp_new();
633 tcg_gen_subi_i32(addr
, REG(B11_8
), 4);
634 tcg_gen_qemu_st32(REG(B7_4
), addr
, ctx
->memidx
);
635 tcg_gen_subi_i32(REG(B11_8
), REG(B11_8
), 4);
638 case 0x6004: /* mov.b @Rm+,Rn */
639 tcg_gen_qemu_ld8s(REG(B11_8
), REG(B7_4
), ctx
->memidx
);
641 tcg_gen_addi_i32(REG(B7_4
), REG(B7_4
), 1);
643 case 0x6005: /* mov.w @Rm+,Rn */
644 tcg_gen_qemu_ld16s(REG(B11_8
), REG(B7_4
), ctx
->memidx
);
646 tcg_gen_addi_i32(REG(B7_4
), REG(B7_4
), 2);
648 case 0x6006: /* mov.l @Rm+,Rn */
649 tcg_gen_qemu_ld32s(REG(B11_8
), REG(B7_4
), ctx
->memidx
);
651 tcg_gen_addi_i32(REG(B7_4
), REG(B7_4
), 4);
653 case 0x0004: /* mov.b Rm,@(R0,Rn) */
655 TCGv addr
= tcg_temp_new();
656 tcg_gen_add_i32(addr
, REG(B11_8
), REG(0));
657 tcg_gen_qemu_st8(REG(B7_4
), addr
, ctx
->memidx
);
661 case 0x0005: /* mov.w Rm,@(R0,Rn) */
663 TCGv addr
= tcg_temp_new();
664 tcg_gen_add_i32(addr
, REG(B11_8
), REG(0));
665 tcg_gen_qemu_st16(REG(B7_4
), addr
, ctx
->memidx
);
669 case 0x0006: /* mov.l Rm,@(R0,Rn) */
671 TCGv addr
= tcg_temp_new();
672 tcg_gen_add_i32(addr
, REG(B11_8
), REG(0));
673 tcg_gen_qemu_st32(REG(B7_4
), addr
, ctx
->memidx
);
677 case 0x000c: /* mov.b @(R0,Rm),Rn */
679 TCGv addr
= tcg_temp_new();
680 tcg_gen_add_i32(addr
, REG(B7_4
), REG(0));
681 tcg_gen_qemu_ld8s(REG(B11_8
), addr
, ctx
->memidx
);
685 case 0x000d: /* mov.w @(R0,Rm),Rn */
687 TCGv addr
= tcg_temp_new();
688 tcg_gen_add_i32(addr
, REG(B7_4
), REG(0));
689 tcg_gen_qemu_ld16s(REG(B11_8
), addr
, ctx
->memidx
);
693 case 0x000e: /* mov.l @(R0,Rm),Rn */
695 TCGv addr
= tcg_temp_new();
696 tcg_gen_add_i32(addr
, REG(B7_4
), REG(0));
697 tcg_gen_qemu_ld32s(REG(B11_8
), addr
, ctx
->memidx
);
701 case 0x6008: /* swap.b Rm,Rn */
703 TCGv highw
, high
, low
;
704 highw
= tcg_temp_new();
705 tcg_gen_andi_i32(highw
, REG(B7_4
), 0xffff0000);
706 high
= tcg_temp_new();
707 tcg_gen_ext8u_i32(high
, REG(B7_4
));
708 tcg_gen_shli_i32(high
, high
, 8);
709 low
= tcg_temp_new();
710 tcg_gen_shri_i32(low
, REG(B7_4
), 8);
711 tcg_gen_ext8u_i32(low
, low
);
712 tcg_gen_or_i32(REG(B11_8
), high
, low
);
713 tcg_gen_or_i32(REG(B11_8
), REG(B11_8
), highw
);
718 case 0x6009: /* swap.w Rm,Rn */
721 high
= tcg_temp_new();
722 tcg_gen_ext16u_i32(high
, REG(B7_4
));
723 tcg_gen_shli_i32(high
, high
, 16);
724 low
= tcg_temp_new();
725 tcg_gen_shri_i32(low
, REG(B7_4
), 16);
726 tcg_gen_ext16u_i32(low
, low
);
727 tcg_gen_or_i32(REG(B11_8
), high
, low
);
732 case 0x200d: /* xtrct Rm,Rn */
735 high
= tcg_temp_new();
736 tcg_gen_ext16u_i32(high
, REG(B7_4
));
737 tcg_gen_shli_i32(high
, high
, 16);
738 low
= tcg_temp_new();
739 tcg_gen_shri_i32(low
, REG(B11_8
), 16);
740 tcg_gen_ext16u_i32(low
, low
);
741 tcg_gen_or_i32(REG(B11_8
), high
, low
);
746 case 0x300c: /* add Rm,Rn */
747 tcg_gen_add_i32(REG(B11_8
), REG(B11_8
), REG(B7_4
));
749 case 0x300e: /* addc Rm,Rn */
750 gen_helper_addc(REG(B11_8
), REG(B7_4
), REG(B11_8
));
752 case 0x300f: /* addv Rm,Rn */
753 gen_helper_addv(REG(B11_8
), REG(B7_4
), REG(B11_8
));
755 case 0x2009: /* and Rm,Rn */
756 tcg_gen_and_i32(REG(B11_8
), REG(B11_8
), REG(B7_4
));
758 case 0x3000: /* cmp/eq Rm,Rn */
759 gen_cmp(TCG_COND_EQ
, REG(B7_4
), REG(B11_8
));
761 case 0x3003: /* cmp/ge Rm,Rn */
762 gen_cmp(TCG_COND_GE
, REG(B7_4
), REG(B11_8
));
764 case 0x3007: /* cmp/gt Rm,Rn */
765 gen_cmp(TCG_COND_GT
, REG(B7_4
), REG(B11_8
));
767 case 0x3006: /* cmp/hi Rm,Rn */
768 gen_cmp(TCG_COND_GTU
, REG(B7_4
), REG(B11_8
));
770 case 0x3002: /* cmp/hs Rm,Rn */
771 gen_cmp(TCG_COND_GEU
, REG(B7_4
), REG(B11_8
));
773 case 0x200c: /* cmp/str Rm,Rn */
775 int label1
= gen_new_label();
776 int label2
= gen_new_label();
777 TCGv cmp1
= tcg_temp_local_new(TCG_TYPE_I32
);
778 TCGv cmp2
= tcg_temp_local_new(TCG_TYPE_I32
);
779 tcg_gen_xor_i32(cmp1
, REG(B7_4
), REG(B11_8
));
780 tcg_gen_andi_i32(cmp2
, cmp1
, 0xff000000);
781 tcg_gen_brcondi_i32(TCG_COND_EQ
, cmp2
, 0, label1
);
782 tcg_gen_andi_i32(cmp2
, cmp1
, 0x00ff0000);
783 tcg_gen_brcondi_i32(TCG_COND_EQ
, cmp2
, 0, label1
);
784 tcg_gen_andi_i32(cmp2
, cmp1
, 0x0000ff00);
785 tcg_gen_brcondi_i32(TCG_COND_EQ
, cmp2
, 0, label1
);
786 tcg_gen_andi_i32(cmp2
, cmp1
, 0x000000ff);
787 tcg_gen_brcondi_i32(TCG_COND_EQ
, cmp2
, 0, label1
);
788 tcg_gen_andi_i32(cpu_sr
, cpu_sr
, ~SR_T
);
790 gen_set_label(label1
);
791 tcg_gen_ori_i32(cpu_sr
, cpu_sr
, SR_T
);
792 gen_set_label(label2
);
797 case 0x2007: /* div0s Rm,Rn */
799 gen_copy_bit_i32(cpu_sr
, 8, REG(B11_8
), 31); /* SR_Q */
800 gen_copy_bit_i32(cpu_sr
, 9, REG(B7_4
), 31); /* SR_M */
801 TCGv val
= tcg_temp_new();
802 tcg_gen_xor_i32(val
, REG(B7_4
), REG(B11_8
));
803 gen_copy_bit_i32(cpu_sr
, 0, val
, 31); /* SR_T */
807 case 0x3004: /* div1 Rm,Rn */
808 gen_helper_div1(REG(B11_8
), REG(B7_4
), REG(B11_8
));
810 case 0x300d: /* dmuls.l Rm,Rn */
812 TCGv_i64 tmp1
= tcg_temp_new_i64();
813 TCGv_i64 tmp2
= tcg_temp_new_i64();
815 tcg_gen_ext_i32_i64(tmp1
, REG(B7_4
));
816 tcg_gen_ext_i32_i64(tmp2
, REG(B11_8
));
817 tcg_gen_mul_i64(tmp1
, tmp1
, tmp2
);
818 tcg_gen_trunc_i64_i32(cpu_macl
, tmp1
);
819 tcg_gen_shri_i64(tmp1
, tmp1
, 32);
820 tcg_gen_trunc_i64_i32(cpu_mach
, tmp1
);
822 tcg_temp_free_i64(tmp2
);
823 tcg_temp_free_i64(tmp1
);
826 case 0x3005: /* dmulu.l Rm,Rn */
828 TCGv_i64 tmp1
= tcg_temp_new_i64();
829 TCGv_i64 tmp2
= tcg_temp_new_i64();
831 tcg_gen_extu_i32_i64(tmp1
, REG(B7_4
));
832 tcg_gen_extu_i32_i64(tmp2
, REG(B11_8
));
833 tcg_gen_mul_i64(tmp1
, tmp1
, tmp2
);
834 tcg_gen_trunc_i64_i32(cpu_macl
, tmp1
);
835 tcg_gen_shri_i64(tmp1
, tmp1
, 32);
836 tcg_gen_trunc_i64_i32(cpu_mach
, tmp1
);
838 tcg_temp_free_i64(tmp2
);
839 tcg_temp_free_i64(tmp1
);
842 case 0x600e: /* exts.b Rm,Rn */
843 tcg_gen_ext8s_i32(REG(B11_8
), REG(B7_4
));
845 case 0x600f: /* exts.w Rm,Rn */
846 tcg_gen_ext16s_i32(REG(B11_8
), REG(B7_4
));
848 case 0x600c: /* extu.b Rm,Rn */
849 tcg_gen_ext8u_i32(REG(B11_8
), REG(B7_4
));
851 case 0x600d: /* extu.w Rm,Rn */
852 tcg_gen_ext16u_i32(REG(B11_8
), REG(B7_4
));
854 case 0x000f: /* mac.l @Rm+,@Rn+ */
857 arg0
= tcg_temp_new();
858 tcg_gen_qemu_ld32s(arg0
, REG(B7_4
), ctx
->memidx
);
859 arg1
= tcg_temp_new();
860 tcg_gen_qemu_ld32s(arg1
, REG(B11_8
), ctx
->memidx
);
861 gen_helper_macl(arg0
, arg1
);
864 tcg_gen_addi_i32(REG(B7_4
), REG(B7_4
), 4);
865 tcg_gen_addi_i32(REG(B11_8
), REG(B11_8
), 4);
868 case 0x400f: /* mac.w @Rm+,@Rn+ */
871 arg0
= tcg_temp_new();
872 tcg_gen_qemu_ld32s(arg0
, REG(B7_4
), ctx
->memidx
);
873 arg1
= tcg_temp_new();
874 tcg_gen_qemu_ld32s(arg1
, REG(B11_8
), ctx
->memidx
);
875 gen_helper_macw(arg0
, arg1
);
878 tcg_gen_addi_i32(REG(B11_8
), REG(B11_8
), 2);
879 tcg_gen_addi_i32(REG(B7_4
), REG(B7_4
), 2);
882 case 0x0007: /* mul.l Rm,Rn */
883 tcg_gen_mul_i32(cpu_macl
, REG(B7_4
), REG(B11_8
));
885 case 0x200f: /* muls.w Rm,Rn */
888 arg0
= tcg_temp_new();
889 tcg_gen_ext16s_i32(arg0
, REG(B7_4
));
890 arg1
= tcg_temp_new();
891 tcg_gen_ext16s_i32(arg1
, REG(B11_8
));
892 tcg_gen_mul_i32(cpu_macl
, arg0
, arg1
);
897 case 0x200e: /* mulu.w Rm,Rn */
900 arg0
= tcg_temp_new();
901 tcg_gen_ext16u_i32(arg0
, REG(B7_4
));
902 arg1
= tcg_temp_new();
903 tcg_gen_ext16u_i32(arg1
, REG(B11_8
));
904 tcg_gen_mul_i32(cpu_macl
, arg0
, arg1
);
909 case 0x600b: /* neg Rm,Rn */
910 tcg_gen_neg_i32(REG(B11_8
), REG(B7_4
));
912 case 0x600a: /* negc Rm,Rn */
913 gen_helper_negc(REG(B11_8
), REG(B7_4
));
915 case 0x6007: /* not Rm,Rn */
916 tcg_gen_not_i32(REG(B11_8
), REG(B7_4
));
918 case 0x200b: /* or Rm,Rn */
919 tcg_gen_or_i32(REG(B11_8
), REG(B11_8
), REG(B7_4
));
921 case 0x400c: /* shad Rm,Rn */
923 int label1
= gen_new_label();
924 int label2
= gen_new_label();
925 int label3
= gen_new_label();
926 int label4
= gen_new_label();
927 TCGv shift
= tcg_temp_local_new(TCG_TYPE_I32
);
928 tcg_gen_brcondi_i32(TCG_COND_LT
, REG(B7_4
), 0, label1
);
929 /* Rm positive, shift to the left */
930 tcg_gen_andi_i32(shift
, REG(B7_4
), 0x1f);
931 tcg_gen_shl_i32(REG(B11_8
), REG(B11_8
), shift
);
933 /* Rm negative, shift to the right */
934 gen_set_label(label1
);
935 tcg_gen_andi_i32(shift
, REG(B7_4
), 0x1f);
936 tcg_gen_brcondi_i32(TCG_COND_EQ
, shift
, 0, label2
);
937 tcg_gen_not_i32(shift
, REG(B7_4
));
938 tcg_gen_andi_i32(shift
, shift
, 0x1f);
939 tcg_gen_addi_i32(shift
, shift
, 1);
940 tcg_gen_sar_i32(REG(B11_8
), REG(B11_8
), shift
);
943 gen_set_label(label2
);
944 tcg_gen_brcondi_i32(TCG_COND_LT
, REG(B11_8
), 0, label3
);
945 tcg_gen_movi_i32(REG(B11_8
), 0);
947 gen_set_label(label3
);
948 tcg_gen_movi_i32(REG(B11_8
), 0xffffffff);
949 gen_set_label(label4
);
950 tcg_temp_free(shift
);
953 case 0x400d: /* shld Rm,Rn */
955 int label1
= gen_new_label();
956 int label2
= gen_new_label();
957 int label3
= gen_new_label();
958 TCGv shift
= tcg_temp_local_new(TCG_TYPE_I32
);
959 tcg_gen_brcondi_i32(TCG_COND_LT
, REG(B7_4
), 0, label1
);
960 /* Rm positive, shift to the left */
961 tcg_gen_andi_i32(shift
, REG(B7_4
), 0x1f);
962 tcg_gen_shl_i32(REG(B11_8
), REG(B11_8
), shift
);
964 /* Rm negative, shift to the right */
965 gen_set_label(label1
);
966 tcg_gen_andi_i32(shift
, REG(B7_4
), 0x1f);
967 tcg_gen_brcondi_i32(TCG_COND_EQ
, shift
, 0, label2
);
968 tcg_gen_not_i32(shift
, REG(B7_4
));
969 tcg_gen_andi_i32(shift
, shift
, 0x1f);
970 tcg_gen_addi_i32(shift
, shift
, 1);
971 tcg_gen_shr_i32(REG(B11_8
), REG(B11_8
), shift
);
974 gen_set_label(label2
);
975 tcg_gen_movi_i32(REG(B11_8
), 0);
976 gen_set_label(label3
);
977 tcg_temp_free(shift
);
980 case 0x3008: /* sub Rm,Rn */
981 tcg_gen_sub_i32(REG(B11_8
), REG(B11_8
), REG(B7_4
));
983 case 0x300a: /* subc Rm,Rn */
984 gen_helper_subc(REG(B11_8
), REG(B7_4
), REG(B11_8
));
986 case 0x300b: /* subv Rm,Rn */
987 gen_helper_subv(REG(B11_8
), REG(B7_4
), REG(B11_8
));
989 case 0x2008: /* tst Rm,Rn */
991 TCGv val
= tcg_temp_new();
992 tcg_gen_and_i32(val
, REG(B7_4
), REG(B11_8
));
993 gen_cmp_imm(TCG_COND_EQ
, val
, 0);
997 case 0x200a: /* xor Rm,Rn */
998 tcg_gen_xor_i32(REG(B11_8
), REG(B11_8
), REG(B7_4
));
1000 case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */
1001 if (ctx
->fpscr
& FPSCR_SZ
) {
1002 TCGv_i64 fp
= tcg_temp_new_i64();
1003 gen_load_fpr64(fp
, XREG(B7_4
));
1004 gen_store_fpr64(fp
, XREG(B11_8
));
1005 tcg_temp_free_i64(fp
);
1007 tcg_gen_mov_i32(cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B7_4
)]);
1010 case 0xf00a: /* fmov {F,D,X}Rm,@Rn - FPSCR: Nothing */
1011 if (ctx
->fpscr
& FPSCR_SZ
) {
1012 TCGv addr_hi
= tcg_temp_new();
1013 int fr
= XREG(B7_4
);
1014 tcg_gen_addi_i32(addr_hi
, REG(B11_8
), 4);
1015 tcg_gen_qemu_st32(cpu_fregs
[fr
], REG(B11_8
), ctx
->memidx
);
1016 tcg_gen_qemu_st32(cpu_fregs
[fr
+1], addr_hi
, ctx
->memidx
);
1017 tcg_temp_free(addr_hi
);
1019 tcg_gen_qemu_st32(cpu_fregs
[FREG(B7_4
)], REG(B11_8
), ctx
->memidx
);
1022 case 0xf008: /* fmov @Rm,{F,D,X}Rn - FPSCR: Nothing */
1023 if (ctx
->fpscr
& FPSCR_SZ
) {
1024 TCGv addr_hi
= tcg_temp_new();
1025 int fr
= XREG(B11_8
);
1026 tcg_gen_addi_i32(addr_hi
, REG(B7_4
), 4);
1027 tcg_gen_qemu_ld32u(cpu_fregs
[fr
], REG(B7_4
), ctx
->memidx
);
1028 tcg_gen_qemu_ld32u(cpu_fregs
[fr
+1], addr_hi
, ctx
->memidx
);
1029 tcg_temp_free(addr_hi
);
1031 tcg_gen_qemu_ld32u(cpu_fregs
[FREG(B11_8
)], REG(B7_4
), ctx
->memidx
);
1034 case 0xf009: /* fmov @Rm+,{F,D,X}Rn - FPSCR: Nothing */
1035 if (ctx
->fpscr
& FPSCR_SZ
) {
1036 TCGv addr_hi
= tcg_temp_new();
1037 int fr
= XREG(B11_8
);
1038 tcg_gen_addi_i32(addr_hi
, REG(B7_4
), 4);
1039 tcg_gen_qemu_ld32u(cpu_fregs
[fr
], REG(B7_4
), ctx
->memidx
);
1040 tcg_gen_qemu_ld32u(cpu_fregs
[fr
+1], addr_hi
, ctx
->memidx
);
1041 tcg_gen_addi_i32(REG(B7_4
), REG(B7_4
), 8);
1042 tcg_temp_free(addr_hi
);
1044 tcg_gen_qemu_ld32u(cpu_fregs
[FREG(B11_8
)], REG(B7_4
), ctx
->memidx
);
1045 tcg_gen_addi_i32(REG(B7_4
), REG(B7_4
), 4);
1048 case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */
1049 if (ctx
->fpscr
& FPSCR_SZ
) {
1050 TCGv addr
= tcg_temp_new_i32();
1051 int fr
= XREG(B7_4
);
1052 tcg_gen_subi_i32(addr
, REG(B11_8
), 4);
1053 tcg_gen_qemu_st32(cpu_fregs
[fr
+1], addr
, ctx
->memidx
);
1054 tcg_gen_subi_i32(addr
, REG(B11_8
), 8);
1055 tcg_gen_qemu_st32(cpu_fregs
[fr
], addr
, ctx
->memidx
);
1056 tcg_gen_mov_i32(REG(B11_8
), addr
);
1057 tcg_temp_free(addr
);
1060 addr
= tcg_temp_new_i32();
1061 tcg_gen_subi_i32(addr
, REG(B11_8
), 4);
1062 tcg_gen_qemu_st32(cpu_fregs
[FREG(B7_4
)], addr
, ctx
->memidx
);
1063 tcg_temp_free(addr
);
1064 tcg_gen_subi_i32(REG(B11_8
), REG(B11_8
), 4);
1067 case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */
1069 TCGv addr
= tcg_temp_new_i32();
1070 tcg_gen_add_i32(addr
, REG(B7_4
), REG(0));
1071 if (ctx
->fpscr
& FPSCR_SZ
) {
1072 int fr
= XREG(B11_8
);
1073 tcg_gen_qemu_ld32u(cpu_fregs
[fr
], addr
, ctx
->memidx
);
1074 tcg_gen_addi_i32(addr
, addr
, 4);
1075 tcg_gen_qemu_ld32u(cpu_fregs
[fr
+1], addr
, ctx
->memidx
);
1077 tcg_gen_qemu_ld32u(cpu_fregs
[FREG(B11_8
)], addr
, ctx
->memidx
);
1079 tcg_temp_free(addr
);
1082 case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) - FPSCR: Nothing */
1084 TCGv addr
= tcg_temp_new();
1085 tcg_gen_add_i32(addr
, REG(B11_8
), REG(0));
1086 if (ctx
->fpscr
& FPSCR_SZ
) {
1087 int fr
= XREG(B7_4
);
1088 tcg_gen_qemu_ld32u(cpu_fregs
[fr
], addr
, ctx
->memidx
);
1089 tcg_gen_addi_i32(addr
, addr
, 4);
1090 tcg_gen_qemu_ld32u(cpu_fregs
[fr
+1], addr
, ctx
->memidx
);
1092 tcg_gen_qemu_st32(cpu_fregs
[FREG(B7_4
)], addr
, ctx
->memidx
);
1094 tcg_temp_free(addr
);
1097 case 0xf000: /* fadd Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1098 case 0xf001: /* fsub Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1099 case 0xf002: /* fmul Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1100 case 0xf003: /* fdiv Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
1101 case 0xf004: /* fcmp/eq Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
1102 case 0xf005: /* fcmp/gt Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
1104 if (ctx
->fpscr
& FPSCR_PR
) {
1107 if (ctx
->opcode
& 0x0110)
1108 break; /* illegal instruction */
1109 fp0
= tcg_temp_new_i64();
1110 fp1
= tcg_temp_new_i64();
1111 gen_load_fpr64(fp0
, DREG(B11_8
));
1112 gen_load_fpr64(fp1
, DREG(B7_4
));
1113 switch (ctx
->opcode
& 0xf00f) {
1114 case 0xf000: /* fadd Rm,Rn */
1115 gen_helper_fadd_DT(fp0
, fp0
, fp1
);
1117 case 0xf001: /* fsub Rm,Rn */
1118 gen_helper_fsub_DT(fp0
, fp0
, fp1
);
1120 case 0xf002: /* fmul Rm,Rn */
1121 gen_helper_fmul_DT(fp0
, fp0
, fp1
);
1123 case 0xf003: /* fdiv Rm,Rn */
1124 gen_helper_fdiv_DT(fp0
, fp0
, fp1
);
1126 case 0xf004: /* fcmp/eq Rm,Rn */
1127 gen_helper_fcmp_eq_DT(fp0
, fp1
);
1129 case 0xf005: /* fcmp/gt Rm,Rn */
1130 gen_helper_fcmp_gt_DT(fp0
, fp1
);
1133 gen_store_fpr64(fp0
, DREG(B11_8
));
1134 tcg_temp_free_i64(fp0
);
1135 tcg_temp_free_i64(fp1
);
1137 switch (ctx
->opcode
& 0xf00f) {
1138 case 0xf000: /* fadd Rm,Rn */
1139 gen_helper_fadd_FT(cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B7_4
)]);
1141 case 0xf001: /* fsub Rm,Rn */
1142 gen_helper_fsub_FT(cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B7_4
)]);
1144 case 0xf002: /* fmul Rm,Rn */
1145 gen_helper_fmul_FT(cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B7_4
)]);
1147 case 0xf003: /* fdiv Rm,Rn */
1148 gen_helper_fdiv_FT(cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B7_4
)]);
1150 case 0xf004: /* fcmp/eq Rm,Rn */
1151 gen_helper_fcmp_eq_FT(cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B7_4
)]);
1153 case 0xf005: /* fcmp/gt Rm,Rn */
1154 gen_helper_fcmp_gt_FT(cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B7_4
)]);
1162 switch (ctx
->opcode
& 0xff00) {
1163 case 0xc900: /* and #imm,R0 */
1164 tcg_gen_andi_i32(REG(0), REG(0), B7_0
);
1166 case 0xcd00: /* and.b #imm,@(R0,GBR) */
1169 addr
= tcg_temp_new();
1170 tcg_gen_add_i32(addr
, REG(0), cpu_gbr
);
1171 val
= tcg_temp_new();
1172 tcg_gen_qemu_ld8u(val
, addr
, ctx
->memidx
);
1173 tcg_gen_andi_i32(val
, val
, B7_0
);
1174 tcg_gen_qemu_st8(val
, addr
, ctx
->memidx
);
1176 tcg_temp_free(addr
);
1179 case 0x8b00: /* bf label */
1180 CHECK_NOT_DELAY_SLOT
1181 gen_conditional_jump(ctx
, ctx
->pc
+ 2,
1182 ctx
->pc
+ 4 + B7_0s
* 2);
1183 ctx
->bstate
= BS_BRANCH
;
1185 case 0x8f00: /* bf/s label */
1186 CHECK_NOT_DELAY_SLOT
1187 gen_branch_slot(ctx
->delayed_pc
= ctx
->pc
+ 4 + B7_0s
* 2, 0);
1188 ctx
->flags
|= DELAY_SLOT_CONDITIONAL
;
1190 case 0x8900: /* bt label */
1191 CHECK_NOT_DELAY_SLOT
1192 gen_conditional_jump(ctx
, ctx
->pc
+ 4 + B7_0s
* 2,
1194 ctx
->bstate
= BS_BRANCH
;
1196 case 0x8d00: /* bt/s label */
1197 CHECK_NOT_DELAY_SLOT
1198 gen_branch_slot(ctx
->delayed_pc
= ctx
->pc
+ 4 + B7_0s
* 2, 1);
1199 ctx
->flags
|= DELAY_SLOT_CONDITIONAL
;
1201 case 0x8800: /* cmp/eq #imm,R0 */
1202 gen_cmp_imm(TCG_COND_EQ
, REG(0), B7_0s
);
1204 case 0xc400: /* mov.b @(disp,GBR),R0 */
1206 TCGv addr
= tcg_temp_new();
1207 tcg_gen_addi_i32(addr
, cpu_gbr
, B7_0
);
1208 tcg_gen_qemu_ld8s(REG(0), addr
, ctx
->memidx
);
1209 tcg_temp_free(addr
);
1212 case 0xc500: /* mov.w @(disp,GBR),R0 */
1214 TCGv addr
= tcg_temp_new();
1215 tcg_gen_addi_i32(addr
, cpu_gbr
, B7_0
* 2);
1216 tcg_gen_qemu_ld16s(REG(0), addr
, ctx
->memidx
);
1217 tcg_temp_free(addr
);
1220 case 0xc600: /* mov.l @(disp,GBR),R0 */
1222 TCGv addr
= tcg_temp_new();
1223 tcg_gen_addi_i32(addr
, cpu_gbr
, B7_0
* 4);
1224 tcg_gen_qemu_ld32s(REG(0), addr
, ctx
->memidx
);
1225 tcg_temp_free(addr
);
1228 case 0xc000: /* mov.b R0,@(disp,GBR) */
1230 TCGv addr
= tcg_temp_new();
1231 tcg_gen_addi_i32(addr
, cpu_gbr
, B7_0
);
1232 tcg_gen_qemu_st8(REG(0), addr
, ctx
->memidx
);
1233 tcg_temp_free(addr
);
1236 case 0xc100: /* mov.w R0,@(disp,GBR) */
1238 TCGv addr
= tcg_temp_new();
1239 tcg_gen_addi_i32(addr
, cpu_gbr
, B7_0
* 2);
1240 tcg_gen_qemu_st16(REG(0), addr
, ctx
->memidx
);
1241 tcg_temp_free(addr
);
1244 case 0xc200: /* mov.l R0,@(disp,GBR) */
1246 TCGv addr
= tcg_temp_new();
1247 tcg_gen_addi_i32(addr
, cpu_gbr
, B7_0
* 4);
1248 tcg_gen_qemu_st32(REG(0), addr
, ctx
->memidx
);
1249 tcg_temp_free(addr
);
1252 case 0x8000: /* mov.b R0,@(disp,Rn) */
1254 TCGv addr
= tcg_temp_new();
1255 tcg_gen_addi_i32(addr
, REG(B7_4
), B3_0
);
1256 tcg_gen_qemu_st8(REG(0), addr
, ctx
->memidx
);
1257 tcg_temp_free(addr
);
1260 case 0x8100: /* mov.w R0,@(disp,Rn) */
1262 TCGv addr
= tcg_temp_new();
1263 tcg_gen_addi_i32(addr
, REG(B7_4
), B3_0
* 2);
1264 tcg_gen_qemu_st16(REG(0), addr
, ctx
->memidx
);
1265 tcg_temp_free(addr
);
1268 case 0x8400: /* mov.b @(disp,Rn),R0 */
1270 TCGv addr
= tcg_temp_new();
1271 tcg_gen_addi_i32(addr
, REG(B7_4
), B3_0
);
1272 tcg_gen_qemu_ld8s(REG(0), addr
, ctx
->memidx
);
1273 tcg_temp_free(addr
);
1276 case 0x8500: /* mov.w @(disp,Rn),R0 */
1278 TCGv addr
= tcg_temp_new();
1279 tcg_gen_addi_i32(addr
, REG(B7_4
), B3_0
* 2);
1280 tcg_gen_qemu_ld16s(REG(0), addr
, ctx
->memidx
);
1281 tcg_temp_free(addr
);
1284 case 0xc700: /* mova @(disp,PC),R0 */
1285 tcg_gen_movi_i32(REG(0), ((ctx
->pc
& 0xfffffffc) + 4 + B7_0
* 4) & ~3);
1287 case 0xcb00: /* or #imm,R0 */
1288 tcg_gen_ori_i32(REG(0), REG(0), B7_0
);
1290 case 0xcf00: /* or.b #imm,@(R0,GBR) */
1293 addr
= tcg_temp_new();
1294 tcg_gen_add_i32(addr
, REG(0), cpu_gbr
);
1295 val
= tcg_temp_new();
1296 tcg_gen_qemu_ld8u(val
, addr
, ctx
->memidx
);
1297 tcg_gen_ori_i32(val
, val
, B7_0
);
1298 tcg_gen_qemu_st8(val
, addr
, ctx
->memidx
);
1300 tcg_temp_free(addr
);
1303 case 0xc300: /* trapa #imm */
1306 CHECK_NOT_DELAY_SLOT
1307 tcg_gen_movi_i32(cpu_pc
, ctx
->pc
);
1308 imm
= tcg_const_i32(B7_0
);
1309 gen_helper_trapa(imm
);
1311 ctx
->bstate
= BS_BRANCH
;
1314 case 0xc800: /* tst #imm,R0 */
1316 TCGv val
= tcg_temp_new();
1317 tcg_gen_andi_i32(val
, REG(0), B7_0
);
1318 gen_cmp_imm(TCG_COND_EQ
, val
, 0);
1322 case 0xcc00: /* tst.b #imm,@(R0,GBR) */
1324 TCGv val
= tcg_temp_new();
1325 tcg_gen_add_i32(val
, REG(0), cpu_gbr
);
1326 tcg_gen_qemu_ld8u(val
, val
, ctx
->memidx
);
1327 tcg_gen_andi_i32(val
, val
, B7_0
);
1328 gen_cmp_imm(TCG_COND_EQ
, val
, 0);
1332 case 0xca00: /* xor #imm,R0 */
1333 tcg_gen_xori_i32(REG(0), REG(0), B7_0
);
1335 case 0xce00: /* xor.b #imm,@(R0,GBR) */
1338 addr
= tcg_temp_new();
1339 tcg_gen_add_i32(addr
, REG(0), cpu_gbr
);
1340 val
= tcg_temp_new();
1341 tcg_gen_qemu_ld8u(val
, addr
, ctx
->memidx
);
1342 tcg_gen_xori_i32(val
, val
, B7_0
);
1343 tcg_gen_qemu_st8(val
, addr
, ctx
->memidx
);
1345 tcg_temp_free(addr
);
1350 switch (ctx
->opcode
& 0xf08f) {
1351 case 0x408e: /* ldc Rm,Rn_BANK */
1353 tcg_gen_mov_i32(ALTREG(B6_4
), REG(B11_8
));
1355 case 0x4087: /* ldc.l @Rm+,Rn_BANK */
1357 tcg_gen_qemu_ld32s(ALTREG(B6_4
), REG(B11_8
), ctx
->memidx
);
1358 tcg_gen_addi_i32(REG(B11_8
), REG(B11_8
), 4);
1360 case 0x0082: /* stc Rm_BANK,Rn */
1362 tcg_gen_mov_i32(REG(B11_8
), ALTREG(B6_4
));
1364 case 0x4083: /* stc.l Rm_BANK,@-Rn */
1367 TCGv addr
= tcg_temp_new();
1368 tcg_gen_subi_i32(addr
, REG(B11_8
), 4);
1369 tcg_gen_qemu_st32(ALTREG(B6_4
), addr
, ctx
->memidx
);
1370 tcg_temp_free(addr
);
1371 tcg_gen_subi_i32(REG(B11_8
), REG(B11_8
), 4);
1376 switch (ctx
->opcode
& 0xf0ff) {
1377 case 0x0023: /* braf Rn */
1378 CHECK_NOT_DELAY_SLOT
1379 tcg_gen_addi_i32(cpu_delayed_pc
, REG(B11_8
), ctx
->pc
+ 4);
1380 ctx
->flags
|= DELAY_SLOT
;
1381 ctx
->delayed_pc
= (uint32_t) - 1;
1383 case 0x0003: /* bsrf Rn */
1384 CHECK_NOT_DELAY_SLOT
1385 tcg_gen_movi_i32(cpu_pr
, ctx
->pc
+ 4);
1386 tcg_gen_add_i32(cpu_delayed_pc
, REG(B11_8
), cpu_pr
);
1387 ctx
->flags
|= DELAY_SLOT
;
1388 ctx
->delayed_pc
= (uint32_t) - 1;
1390 case 0x4015: /* cmp/pl Rn */
1391 gen_cmp_imm(TCG_COND_GT
, REG(B11_8
), 0);
1393 case 0x4011: /* cmp/pz Rn */
1394 gen_cmp_imm(TCG_COND_GE
, REG(B11_8
), 0);
1396 case 0x4010: /* dt Rn */
1397 tcg_gen_subi_i32(REG(B11_8
), REG(B11_8
), 1);
1398 gen_cmp_imm(TCG_COND_EQ
, REG(B11_8
), 0);
1400 case 0x402b: /* jmp @Rn */
1401 CHECK_NOT_DELAY_SLOT
1402 tcg_gen_mov_i32(cpu_delayed_pc
, REG(B11_8
));
1403 ctx
->flags
|= DELAY_SLOT
;
1404 ctx
->delayed_pc
= (uint32_t) - 1;
1406 case 0x400b: /* jsr @Rn */
1407 CHECK_NOT_DELAY_SLOT
1408 tcg_gen_movi_i32(cpu_pr
, ctx
->pc
+ 4);
1409 tcg_gen_mov_i32(cpu_delayed_pc
, REG(B11_8
));
1410 ctx
->flags
|= DELAY_SLOT
;
1411 ctx
->delayed_pc
= (uint32_t) - 1;
1413 case 0x400e: /* ldc Rm,SR */
1415 tcg_gen_andi_i32(cpu_sr
, REG(B11_8
), 0x700083f3);
1416 ctx
->bstate
= BS_STOP
;
1418 case 0x4007: /* ldc.l @Rm+,SR */
1421 TCGv val
= tcg_temp_new();
1422 tcg_gen_qemu_ld32s(val
, REG(B11_8
), ctx
->memidx
);
1423 tcg_gen_andi_i32(cpu_sr
, val
, 0x700083f3);
1425 tcg_gen_addi_i32(REG(B11_8
), REG(B11_8
), 4);
1426 ctx
->bstate
= BS_STOP
;
1429 case 0x0002: /* stc SR,Rn */
1431 tcg_gen_mov_i32(REG(B11_8
), cpu_sr
);
1433 case 0x4003: /* stc SR,@-Rn */
1436 TCGv addr
= tcg_temp_new();
1437 tcg_gen_subi_i32(addr
, REG(B11_8
), 4);
1438 tcg_gen_qemu_st32(cpu_sr
, addr
, ctx
->memidx
);
1439 tcg_temp_free(addr
);
1440 tcg_gen_subi_i32(REG(B11_8
), REG(B11_8
), 4);
1443 #define LDST(reg,ldnum,ldpnum,stnum,stpnum,prechk) \
1446 tcg_gen_mov_i32 (cpu_##reg, REG(B11_8)); \
1450 tcg_gen_qemu_ld32s (cpu_##reg, REG(B11_8), ctx->memidx); \
1451 tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4); \
1455 tcg_gen_mov_i32 (REG(B11_8), cpu_##reg); \
1460 TCGv addr = tcg_temp_new(); \
1461 tcg_gen_subi_i32(addr, REG(B11_8), 4); \
1462 tcg_gen_qemu_st32 (cpu_##reg, addr, ctx->memidx); \
1463 tcg_temp_free(addr); \
1464 tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4); \
1467 LDST(gbr
, 0x401e, 0x4017, 0x0012, 0x4013, {})
1468 LDST(vbr
, 0x402e, 0x4027, 0x0022, 0x4023, CHECK_PRIVILEGED
)
1469 LDST(ssr
, 0x403e, 0x4037, 0x0032, 0x4033, CHECK_PRIVILEGED
)
1470 LDST(spc
, 0x404e, 0x4047, 0x0042, 0x4043, CHECK_PRIVILEGED
)
1471 LDST(dbr
, 0x40fa, 0x40f6, 0x00fa, 0x40f2, CHECK_PRIVILEGED
)
1472 LDST(mach
, 0x400a, 0x4006, 0x000a, 0x4002, {})
1473 LDST(macl
, 0x401a, 0x4016, 0x001a, 0x4012, {})
1474 LDST(pr
, 0x402a, 0x4026, 0x002a, 0x4022, {})
1475 LDST(fpul
, 0x405a, 0x4056, 0x005a, 0x4052, {CHECK_FPU_ENABLED
})
1476 case 0x406a: /* lds Rm,FPSCR */
1478 gen_helper_ld_fpscr(REG(B11_8
));
1479 ctx
->bstate
= BS_STOP
;
1481 case 0x4066: /* lds.l @Rm+,FPSCR */
1484 TCGv addr
= tcg_temp_new();
1485 tcg_gen_qemu_ld32s(addr
, REG(B11_8
), ctx
->memidx
);
1486 tcg_gen_addi_i32(REG(B11_8
), REG(B11_8
), 4);
1487 gen_helper_ld_fpscr(addr
);
1488 tcg_temp_free(addr
);
1489 ctx
->bstate
= BS_STOP
;
1492 case 0x006a: /* sts FPSCR,Rn */
1494 tcg_gen_andi_i32(REG(B11_8
), cpu_fpscr
, 0x003fffff);
1496 case 0x4062: /* sts FPSCR,@-Rn */
1500 val
= tcg_temp_new();
1501 tcg_gen_andi_i32(val
, cpu_fpscr
, 0x003fffff);
1502 addr
= tcg_temp_new();
1503 tcg_gen_subi_i32(addr
, REG(B11_8
), 4);
1504 tcg_gen_qemu_st32(val
, addr
, ctx
->memidx
);
1505 tcg_temp_free(addr
);
1507 tcg_gen_subi_i32(REG(B11_8
), REG(B11_8
), 4);
1510 case 0x00c3: /* movca.l R0,@Rm */
1511 tcg_gen_qemu_st32(REG(0), REG(B11_8
), ctx
->memidx
);
1514 /* MOVUA.L @Rm,R0 (Rm) -> R0
1515 Load non-boundary-aligned data */
1516 tcg_gen_qemu_ld32u(REG(0), REG(B11_8
), ctx
->memidx
);
1519 /* MOVUA.L @Rm+,R0 (Rm) -> R0, Rm + 4 -> Rm
1520 Load non-boundary-aligned data */
1521 tcg_gen_qemu_ld32u(REG(0), REG(B11_8
), ctx
->memidx
);
1522 tcg_gen_addi_i32(REG(B11_8
), REG(B11_8
), 4);
1524 case 0x0029: /* movt Rn */
1525 tcg_gen_andi_i32(REG(B11_8
), cpu_sr
, SR_T
);
1527 case 0x0093: /* ocbi @Rn */
1529 TCGv dummy
= tcg_temp_new();
1530 tcg_gen_qemu_ld32s(dummy
, REG(B11_8
), ctx
->memidx
);
1531 tcg_temp_free(dummy
);
1534 case 0x00a3: /* ocbp @Rn */
1536 TCGv dummy
= tcg_temp_new();
1537 tcg_gen_qemu_ld32s(dummy
, REG(B11_8
), ctx
->memidx
);
1538 tcg_temp_free(dummy
);
1541 case 0x00b3: /* ocbwb @Rn */
1543 TCGv dummy
= tcg_temp_new();
1544 tcg_gen_qemu_ld32s(dummy
, REG(B11_8
), ctx
->memidx
);
1545 tcg_temp_free(dummy
);
1548 case 0x0083: /* pref @Rn */
1550 case 0x4024: /* rotcl Rn */
1552 TCGv tmp
= tcg_temp_new();
1553 tcg_gen_mov_i32(tmp
, cpu_sr
);
1554 gen_copy_bit_i32(cpu_sr
, 0, REG(B11_8
), 31);
1555 tcg_gen_shli_i32(REG(B11_8
), REG(B11_8
), 1);
1556 gen_copy_bit_i32(REG(B11_8
), 0, tmp
, 0);
1560 case 0x4025: /* rotcr Rn */
1562 TCGv tmp
= tcg_temp_new();
1563 tcg_gen_mov_i32(tmp
, cpu_sr
);
1564 gen_copy_bit_i32(cpu_sr
, 0, REG(B11_8
), 0);
1565 tcg_gen_shri_i32(REG(B11_8
), REG(B11_8
), 1);
1566 gen_copy_bit_i32(REG(B11_8
), 31, tmp
, 0);
1570 case 0x4004: /* rotl Rn */
1571 gen_copy_bit_i32(cpu_sr
, 0, REG(B11_8
), 31);
1572 tcg_gen_shli_i32(REG(B11_8
), REG(B11_8
), 1);
1573 gen_copy_bit_i32(REG(B11_8
), 0, cpu_sr
, 0);
1575 case 0x4005: /* rotr Rn */
1576 gen_copy_bit_i32(cpu_sr
, 0, REG(B11_8
), 0);
1577 tcg_gen_shri_i32(REG(B11_8
), REG(B11_8
), 1);
1578 gen_copy_bit_i32(REG(B11_8
), 31, cpu_sr
, 0);
1580 case 0x4000: /* shll Rn */
1581 case 0x4020: /* shal Rn */
1582 gen_copy_bit_i32(cpu_sr
, 0, REG(B11_8
), 31);
1583 tcg_gen_shli_i32(REG(B11_8
), REG(B11_8
), 1);
1585 case 0x4021: /* shar Rn */
1586 gen_copy_bit_i32(cpu_sr
, 0, REG(B11_8
), 0);
1587 tcg_gen_sari_i32(REG(B11_8
), REG(B11_8
), 1);
1589 case 0x4001: /* shlr Rn */
1590 gen_copy_bit_i32(cpu_sr
, 0, REG(B11_8
), 0);
1591 tcg_gen_shri_i32(REG(B11_8
), REG(B11_8
), 1);
1593 case 0x4008: /* shll2 Rn */
1594 tcg_gen_shli_i32(REG(B11_8
), REG(B11_8
), 2);
1596 case 0x4018: /* shll8 Rn */
1597 tcg_gen_shli_i32(REG(B11_8
), REG(B11_8
), 8);
1599 case 0x4028: /* shll16 Rn */
1600 tcg_gen_shli_i32(REG(B11_8
), REG(B11_8
), 16);
1602 case 0x4009: /* shlr2 Rn */
1603 tcg_gen_shri_i32(REG(B11_8
), REG(B11_8
), 2);
1605 case 0x4019: /* shlr8 Rn */
1606 tcg_gen_shri_i32(REG(B11_8
), REG(B11_8
), 8);
1608 case 0x4029: /* shlr16 Rn */
1609 tcg_gen_shri_i32(REG(B11_8
), REG(B11_8
), 16);
1611 case 0x401b: /* tas.b @Rn */
1614 addr
= tcg_temp_local_new(TCG_TYPE_I32
);
1615 tcg_gen_mov_i32(addr
, REG(B11_8
));
1616 val
= tcg_temp_local_new(TCG_TYPE_I32
);
1617 tcg_gen_qemu_ld8u(val
, addr
, ctx
->memidx
);
1618 gen_cmp_imm(TCG_COND_EQ
, val
, 0);
1619 tcg_gen_ori_i32(val
, val
, 0x80);
1620 tcg_gen_qemu_st8(val
, addr
, ctx
->memidx
);
1622 tcg_temp_free(addr
);
1625 case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */
1627 tcg_gen_mov_i32(cpu_fregs
[FREG(B11_8
)], cpu_fpul
);
1630 case 0xf01d: /* flds FRm,FPUL - FPSCR: Nothing */
1632 tcg_gen_mov_i32(cpu_fpul
, cpu_fregs
[FREG(B11_8
)]);
1635 case 0xf02d: /* float FPUL,FRn/DRn - FPSCR: R[PR,Enable.I]/W[Cause,Flag] */
1636 if (ctx
->fpscr
& FPSCR_PR
) {
1638 if (ctx
->opcode
& 0x0100)
1639 break; /* illegal instruction */
1640 fp
= tcg_temp_new_i64();
1641 gen_helper_float_DT(fp
, cpu_fpul
);
1642 gen_store_fpr64(fp
, DREG(B11_8
));
1643 tcg_temp_free_i64(fp
);
1646 gen_helper_float_FT(cpu_fregs
[FREG(B11_8
)], cpu_fpul
);
1649 case 0xf03d: /* ftrc FRm/DRm,FPUL - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
1650 if (ctx
->fpscr
& FPSCR_PR
) {
1652 if (ctx
->opcode
& 0x0100)
1653 break; /* illegal instruction */
1654 fp
= tcg_temp_new_i64();
1655 gen_load_fpr64(fp
, DREG(B11_8
));
1656 gen_helper_ftrc_DT(cpu_fpul
, fp
);
1657 tcg_temp_free_i64(fp
);
1660 gen_helper_ftrc_FT(cpu_fpul
, cpu_fregs
[FREG(B11_8
)]);
1663 case 0xf04d: /* fneg FRn/DRn - FPSCR: Nothing */
1665 gen_helper_fneg_T(cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B11_8
)]);
1668 case 0xf05d: /* fabs FRn/DRn */
1669 if (ctx
->fpscr
& FPSCR_PR
) {
1670 if (ctx
->opcode
& 0x0100)
1671 break; /* illegal instruction */
1672 TCGv_i64 fp
= tcg_temp_new_i64();
1673 gen_load_fpr64(fp
, DREG(B11_8
));
1674 gen_helper_fabs_DT(fp
, fp
);
1675 gen_store_fpr64(fp
, DREG(B11_8
));
1676 tcg_temp_free_i64(fp
);
1678 gen_helper_fabs_FT(cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B11_8
)]);
1681 case 0xf06d: /* fsqrt FRn */
1682 if (ctx
->fpscr
& FPSCR_PR
) {
1683 if (ctx
->opcode
& 0x0100)
1684 break; /* illegal instruction */
1685 TCGv_i64 fp
= tcg_temp_new_i64();
1686 gen_load_fpr64(fp
, DREG(B11_8
));
1687 gen_helper_fsqrt_DT(fp
, fp
);
1688 gen_store_fpr64(fp
, DREG(B11_8
));
1689 tcg_temp_free_i64(fp
);
1691 gen_helper_fsqrt_FT(cpu_fregs
[FREG(B11_8
)], cpu_fregs
[FREG(B11_8
)]);
1694 case 0xf07d: /* fsrra FRn */
1696 case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */
1697 if (!(ctx
->fpscr
& FPSCR_PR
)) {
1698 tcg_gen_movi_i32(cpu_fregs
[FREG(B11_8
)], 0);
1701 case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */
1702 if (!(ctx
->fpscr
& FPSCR_PR
)) {
1703 tcg_gen_movi_i32(cpu_fregs
[FREG(B11_8
)], 0x3f800000);
1706 case 0xf0ad: /* fcnvsd FPUL,DRn */
1708 TCGv_i64 fp
= tcg_temp_new_i64();
1709 gen_helper_fcnvsd_FT_DT(fp
, cpu_fpul
);
1710 gen_store_fpr64(fp
, DREG(B11_8
));
1711 tcg_temp_free_i64(fp
);
1714 case 0xf0bd: /* fcnvds DRn,FPUL */
1716 TCGv_i64 fp
= tcg_temp_new_i64();
1717 gen_load_fpr64(fp
, DREG(B11_8
));
1718 gen_helper_fcnvds_DT_FT(cpu_fpul
, fp
);
1719 tcg_temp_free_i64(fp
);
1724 fprintf(stderr
, "unknown instruction 0x%04x at pc 0x%08x\n",
1725 ctx
->opcode
, ctx
->pc
);
1726 gen_helper_raise_illegal_instruction();
1727 ctx
->bstate
= BS_EXCP
;
1730 static void decode_opc(DisasContext
* ctx
)
1732 uint32_t old_flags
= ctx
->flags
;
1736 if (old_flags
& (DELAY_SLOT
| DELAY_SLOT_CONDITIONAL
)) {
1737 if (ctx
->flags
& DELAY_SLOT_CLEARME
) {
1740 /* go out of the delay slot */
1741 uint32_t new_flags
= ctx
->flags
;
1742 new_flags
&= ~(DELAY_SLOT
| DELAY_SLOT_CONDITIONAL
);
1743 gen_store_flags(new_flags
);
1746 ctx
->bstate
= BS_BRANCH
;
1747 if (old_flags
& DELAY_SLOT_CONDITIONAL
) {
1748 gen_delayed_conditional_jump(ctx
);
1749 } else if (old_flags
& DELAY_SLOT
) {
1755 /* go into a delay slot */
1756 if (ctx
->flags
& (DELAY_SLOT
| DELAY_SLOT_CONDITIONAL
))
1757 gen_store_flags(ctx
->flags
);
1761 gen_intermediate_code_internal(CPUState
* env
, TranslationBlock
* tb
,
1765 target_ulong pc_start
;
1766 static uint16_t *gen_opc_end
;
1773 gen_opc_end
= gen_opc_buf
+ OPC_MAX_SIZE
;
1775 ctx
.flags
= (uint32_t)tb
->flags
;
1776 ctx
.bstate
= BS_NONE
;
1778 ctx
.fpscr
= env
->fpscr
;
1779 ctx
.memidx
= (env
->sr
& SR_MD
) ? 1 : 0;
1780 /* We don't know if the delayed pc came from a dynamic or static branch,
1781 so assume it is a dynamic branch. */
1782 ctx
.delayed_pc
= -1; /* use delayed pc from env pointer */
1784 ctx
.singlestep_enabled
= env
->singlestep_enabled
;
1787 if (loglevel
& CPU_LOG_TB_CPU
) {
1789 "------------------------------------------------\n");
1790 cpu_dump_state(env
, logfile
, fprintf
, 0);
1796 max_insns
= tb
->cflags
& CF_COUNT_MASK
;
1798 max_insns
= CF_COUNT_MASK
;
1800 while (ctx
.bstate
== BS_NONE
&& gen_opc_ptr
< gen_opc_end
) {
1801 if (unlikely(!TAILQ_EMPTY(&env
->breakpoints
))) {
1802 TAILQ_FOREACH(bp
, &env
->breakpoints
, entry
) {
1803 if (ctx
.pc
== bp
->pc
) {
1804 /* We have hit a breakpoint - make sure PC is up-to-date */
1805 tcg_gen_movi_i32(cpu_pc
, ctx
.pc
);
1807 ctx
.bstate
= BS_EXCP
;
1813 i
= gen_opc_ptr
- gen_opc_buf
;
1817 gen_opc_instr_start
[ii
++] = 0;
1819 gen_opc_pc
[ii
] = ctx
.pc
;
1820 gen_opc_hflags
[ii
] = ctx
.flags
;
1821 gen_opc_instr_start
[ii
] = 1;
1822 gen_opc_icount
[ii
] = num_insns
;
1824 if (num_insns
+ 1 == max_insns
&& (tb
->cflags
& CF_LAST_IO
))
1827 fprintf(stderr
, "Loading opcode at address 0x%08x\n", ctx
.pc
);
1830 ctx
.opcode
= lduw_code(ctx
.pc
);
1834 if ((ctx
.pc
& (TARGET_PAGE_SIZE
- 1)) == 0)
1836 if (env
->singlestep_enabled
)
1838 if (num_insns
>= max_insns
)
1840 #ifdef SH4_SINGLE_STEP
1844 if (tb
->cflags
& CF_LAST_IO
)
1846 if (env
->singlestep_enabled
) {
1847 tcg_gen_movi_i32(cpu_pc
, ctx
.pc
);
1850 switch (ctx
.bstate
) {
1852 /* gen_op_interrupt_restart(); */
1856 gen_store_flags(ctx
.flags
| DELAY_SLOT_CLEARME
);
1858 gen_goto_tb(&ctx
, 0, ctx
.pc
);
1861 /* gen_op_interrupt_restart(); */
1870 gen_icount_end(tb
, num_insns
);
1871 *gen_opc_ptr
= INDEX_op_end
;
1873 i
= gen_opc_ptr
- gen_opc_buf
;
1876 gen_opc_instr_start
[ii
++] = 0;
1878 tb
->size
= ctx
.pc
- pc_start
;
1879 tb
->icount
= num_insns
;
1883 #ifdef SH4_DEBUG_DISAS
1884 if (loglevel
& CPU_LOG_TB_IN_ASM
)
1885 fprintf(logfile
, "\n");
1887 if (loglevel
& CPU_LOG_TB_IN_ASM
) {
1888 fprintf(logfile
, "IN:\n"); /* , lookup_symbol(pc_start)); */
1889 target_disas(logfile
, pc_start
, ctx
.pc
- pc_start
, 0);
1890 fprintf(logfile
, "\n");
1895 void gen_intermediate_code(CPUState
* env
, struct TranslationBlock
*tb
)
1897 gen_intermediate_code_internal(env
, tb
, 0);
1900 void gen_intermediate_code_pc(CPUState
* env
, struct TranslationBlock
*tb
)
1902 gen_intermediate_code_internal(env
, tb
, 1);
1905 void gen_pc_load(CPUState
*env
, TranslationBlock
*tb
,
1906 unsigned long searched_pc
, int pc_pos
, void *puc
)
1908 env
->pc
= gen_opc_pc
[pc_pos
];
1909 env
->flags
= gen_opc_hflags
[pc_pos
];