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-rw-r--r--target/mips/translate.c205
1 files changed, 133 insertions, 72 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 54e0160..e3a0f08 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -2619,16 +2619,18 @@ static const char * const mxuregnames[] = {
/* General purpose registers moves. */
static inline void gen_load_gpr(TCGv t, int reg)
{
- if (reg == 0)
+ if (reg == 0) {
tcg_gen_movi_tl(t, 0);
- else
+ } else {
tcg_gen_mov_tl(t, cpu_gpr[reg]);
+ }
}
static inline void gen_store_gpr(TCGv t, int reg)
{
- if (reg != 0)
+ if (reg != 0) {
tcg_gen_mov_tl(cpu_gpr[reg], t);
+ }
}
/* Moves to/from shadow registers. */
@@ -2636,9 +2638,9 @@ static inline void gen_load_srsgpr(int from, int to)
{
TCGv t0 = tcg_temp_new();
- if (from == 0)
+ if (from == 0) {
tcg_gen_movi_tl(t0, 0);
- else {
+ } else {
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_ptr addr = tcg_temp_new_ptr();
@@ -2841,10 +2843,11 @@ static void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
static inline int get_fp_bit(int cc)
{
- if (cc)
+ if (cc) {
return 24 + cc;
- else
+ } else {
return 23;
+ }
}
/* Addresses computation */
@@ -2908,14 +2911,16 @@ static inline void gen_move_high32(TCGv ret, TCGv_i64 arg)
static inline void check_cp0_enabled(DisasContext *ctx)
{
- if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
+ if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) {
generate_exception_err(ctx, EXCP_CpU, 0);
+ }
}
static inline void check_cp1_enabled(DisasContext *ctx)
{
- if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
+ if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU))) {
generate_exception_err(ctx, EXCP_CpU, 1);
+ }
}
/* Verify that the processor is running with COP1X instructions enabled.
@@ -2924,8 +2929,9 @@ static inline void check_cp1_enabled(DisasContext *ctx)
static inline void check_cop1x(DisasContext *ctx)
{
- if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
+ if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X))) {
generate_exception_end(ctx, EXCP_RI);
+ }
}
/* Verify that the processor is running with 64-bit floating-point
@@ -2933,8 +2939,9 @@ static inline void check_cop1x(DisasContext *ctx)
static inline void check_cp1_64bitmode(DisasContext *ctx)
{
- if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
+ if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X))) {
generate_exception_end(ctx, EXCP_RI);
+ }
}
/*
@@ -2950,8 +2957,9 @@ static inline void check_cp1_64bitmode(DisasContext *ctx)
*/
static inline void check_cp1_registers(DisasContext *ctx, int regs)
{
- if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1)))
+ if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) {
generate_exception_end(ctx, EXCP_RI);
+ }
}
/* Verify that the processor is running with DSP instructions enabled.
@@ -3040,8 +3048,9 @@ static inline void check_ps(DisasContext *ctx)
instructions are not enabled. */
static inline void check_mips_64(DisasContext *ctx)
{
- if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
+ if (unlikely(!(ctx->hflags & MIPS_HFLAG_64))) {
generate_exception_end(ctx, EXCP_RI);
+ }
}
#endif
@@ -3126,13 +3135,12 @@ static inline void check_nms(DisasContext *ctx)
*/
static inline void check_nms_dl_il_sl_tl_l2c(DisasContext *ctx)
{
- if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_NMS)) &&
- !(ctx->CP0_Config1 & (1 << CP0C1_DL)) &&
- !(ctx->CP0_Config1 & (1 << CP0C1_IL)) &&
- !(ctx->CP0_Config2 & (1 << CP0C2_SL)) &&
- !(ctx->CP0_Config2 & (1 << CP0C2_TL)) &&
- !(ctx->CP0_Config5 & (1 << CP0C5_L2C)))
- {
+ if (unlikely((ctx->CP0_Config5 & (1 << CP0C5_NMS)) &&
+ !(ctx->CP0_Config1 & (1 << CP0C1_DL)) &&
+ !(ctx->CP0_Config1 & (1 << CP0C1_IL)) &&
+ !(ctx->CP0_Config2 & (1 << CP0C2_SL)) &&
+ !(ctx->CP0_Config2 & (1 << CP0C2_TL)) &&
+ !(ctx->CP0_Config5 & (1 << CP0C5_L2C)))) {
generate_exception_end(ctx, EXCP_RI);
}
}
@@ -3180,23 +3188,56 @@ static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \
gen_ldcmp_fpr##bits (ctx, fp0, fs); \
gen_ldcmp_fpr##bits (ctx, fp1, ft); \
switch (n) { \
- case 0: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); break;\
- case 1: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); break;\
- case 2: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); break;\
- case 3: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); break;\
- case 4: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); break;\
- case 5: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); break;\
- case 6: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); break;\
- case 7: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); break;\
- case 8: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); break;\
- case 9: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); break;\
- case 10: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); break;\
- case 11: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); break;\
- case 12: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); break;\
- case 13: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); break;\
- case 14: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); break;\
- case 15: gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); break;\
- default: abort(); \
+ case 0: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); \
+ break; \
+ case 1: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); \
+ break; \
+ case 2: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); \
+ break; \
+ case 3: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); \
+ break; \
+ case 4: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); \
+ break; \
+ case 5: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); \
+ break; \
+ case 6: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); \
+ break; \
+ case 7: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); \
+ break; \
+ case 8: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); \
+ break; \
+ case 9: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); \
+ break; \
+ case 10: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); \
+ break; \
+ case 11: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); \
+ break; \
+ case 12: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); \
+ break; \
+ case 13: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); \
+ break; \
+ case 14: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); \
+ break; \
+ case 15: \
+ gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); \
+ break; \
+ default: \
+ abort(); \
} \
tcg_temp_free_i##bits (fp0); \
tcg_temp_free_i##bits (fp1); \
@@ -3882,22 +3923,25 @@ static void gen_logic_imm(DisasContext *ctx, uint32_t opc,
uimm = (uint16_t)imm;
switch (opc) {
case OPC_ANDI:
- if (likely(rs != 0))
+ if (likely(rs != 0)) {
tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
- else
+ } else {
tcg_gen_movi_tl(cpu_gpr[rt], 0);
+ }
break;
case OPC_ORI:
- if (rs != 0)
+ if (rs != 0) {
tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
- else
+ } else {
tcg_gen_movi_tl(cpu_gpr[rt], uimm);
+ }
break;
case OPC_XORI:
- if (likely(rs != 0))
+ if (likely(rs != 0)) {
tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
- else
+ } else {
tcg_gen_movi_tl(cpu_gpr[rt], uimm);
+ }
break;
case OPC_LUI:
if (rs != 0 && (ctx->insn_flags & ISA_MIPS32R6)) {
@@ -6060,8 +6104,9 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
}
out:
- if (insn_bytes == 2)
+ if (insn_bytes == 2) {
ctx->hflags |= MIPS_HFLAG_B16;
+ }
tcg_temp_free(t0);
tcg_temp_free(t1);
}
@@ -6708,8 +6753,9 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
const char *register_name = "invalid";
- if (sel != 0)
+ if (sel != 0) {
check_insn(ctx, ISA_MIPS32);
+ }
switch (reg) {
case CP0_REGISTER_00:
@@ -7464,8 +7510,9 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
const char *register_name = "invalid";
- if (sel != 0)
+ if (sel != 0) {
check_insn(ctx, ISA_MIPS32);
+ }
if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
gen_io_start();
@@ -8210,8 +8257,9 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
const char *register_name = "invalid";
- if (sel != 0)
+ if (sel != 0) {
check_insn(ctx, ISA_MIPS64);
+ }
switch (reg) {
case CP0_REGISTER_00:
@@ -8920,8 +8968,9 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
const char *register_name = "invalid";
- if (sel != 0)
+ if (sel != 0) {
check_insn(ctx, ISA_MIPS64);
+ }
if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
gen_io_start();
@@ -9658,12 +9707,12 @@ static void gen_mftr(CPUMIPSState *env, DisasContext *ctx, int rt, int rd,
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
- (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
+ (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) {
tcg_gen_movi_tl(t0, -1);
- else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
- (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
+ } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
+ (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) {
tcg_gen_movi_tl(t0, -1);
- else if (u == 0) {
+ } else if (u == 0) {
switch (rt) {
case 1:
switch (sel) {
@@ -9883,12 +9932,12 @@ static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt,
gen_load_gpr(t0, rt);
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
- (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
+ (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) {
/* NOP */ ;
- else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
- (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
+ } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
+ (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) {
/* NOP */ ;
- else if (u == 0) {
+ } else if (u == 0) {
switch (rd) {
case 1:
switch (sel) {
@@ -10162,8 +10211,9 @@ static void gen_cp0(CPUMIPSState *env, DisasContext *ctx, uint32_t opc,
break;
case OPC_TLBWI:
opn = "tlbwi";
- if (!env->tlb->helper_tlbwi)
+ if (!env->tlb->helper_tlbwi) {
goto die;
+ }
gen_helper_tlbwi(cpu_env);
break;
case OPC_TLBINV:
@@ -10186,20 +10236,23 @@ static void gen_cp0(CPUMIPSState *env, DisasContext *ctx, uint32_t opc,
break;
case OPC_TLBWR:
opn = "tlbwr";
- if (!env->tlb->helper_tlbwr)
+ if (!env->tlb->helper_tlbwr) {
goto die;
+ }
gen_helper_tlbwr(cpu_env);
break;
case OPC_TLBP:
opn = "tlbp";
- if (!env->tlb->helper_tlbp)
+ if (!env->tlb->helper_tlbp) {
goto die;
+ }
gen_helper_tlbp(cpu_env);
break;
case OPC_TLBR:
opn = "tlbr";
- if (!env->tlb->helper_tlbr)
+ if (!env->tlb->helper_tlbr) {
goto die;
+ }
gen_helper_tlbr(cpu_env);
break;
case OPC_ERET: /* OPC_ERETNC */
@@ -10273,8 +10326,9 @@ static void gen_compute_branch1(DisasContext *ctx, uint32_t op,
goto out;
}
- if (cc != 0)
+ if (cc != 0) {
check_insn(ctx, ISA_MIPS4 | ISA_MIPS32);
+ }
btarget = ctx->base.pc_next + 4 + offset;
@@ -10728,10 +10782,11 @@ static void gen_movci(DisasContext *ctx, int rd, int rs, int cc, int tf)
return;
}
- if (tf)
+ if (tf) {
cond = TCG_COND_EQ;
- else
+ } else {
cond = TCG_COND_NE;
+ }
l1 = gen_new_label();
t0 = tcg_temp_new_i32();
@@ -10753,10 +10808,11 @@ static inline void gen_movcf_s(DisasContext *ctx, int fs, int fd, int cc,
TCGv_i32 t0 = tcg_temp_new_i32();
TCGLabel *l1 = gen_new_label();
- if (tf)
+ if (tf) {
cond = TCG_COND_EQ;
- else
+ } else {
cond = TCG_COND_NE;
+ }
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
tcg_gen_brcondi_i32(cond, t0, 0, l1);
@@ -10774,10 +10830,11 @@ static inline void gen_movcf_d(DisasContext *ctx, int fs, int fd, int cc,
TCGv_i64 fp0;
TCGLabel *l1 = gen_new_label();
- if (tf)
+ if (tf) {
cond = TCG_COND_EQ;
- else
+ } else {
cond = TCG_COND_NE;
+ }
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
tcg_gen_brcondi_i32(cond, t0, 0, l1);
@@ -10797,10 +10854,11 @@ static inline void gen_movcf_ps(DisasContext *ctx, int fs, int fd,
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
- if (tf)
+ if (tf) {
cond = TCG_COND_EQ;
- else
+ } else {
cond = TCG_COND_NE;
+ }
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
tcg_gen_brcondi_i32(cond, t0, 0, l1);
@@ -12096,8 +12154,9 @@ static void gen_farith(DisasContext *ctx, enum fopcode op1,
TCGLabel *l1 = gen_new_label();
TCGv_i64 fp0;
- if (ft != 0)
+ if (ft != 0) {
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
+ }
fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_store_fpr64(ctx, fp0, fd);
@@ -29991,12 +30050,14 @@ void mips_cpu_dump_state(CPUState *cs, FILE *f, int flags)
env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0],
env->hflags, env->btarget, env->bcond);
for (i = 0; i < 32; i++) {
- if ((i & 3) == 0)
+ if ((i & 3) == 0) {
qemu_fprintf(f, "GPR%02d:", i);
+ }
qemu_fprintf(f, " %s " TARGET_FMT_lx,
regnames[i], env->active_tc.gpr[i]);
- if ((i & 3) == 3)
+ if ((i & 3) == 3) {
qemu_fprintf(f, "\n");
+ }
}
qemu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
generated by cgit v1.1 at 2024-12-25 13:11:39 +0000