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target-mips: use CP0_CHECK for gen_m{f|t}hc0

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Reuse CP0_CHECK macro for gen_m{f|t}hc0.

Backports commit c98d3d79ee387ea6e8fb091299f8562b20022f10 from qemu
This commit is contained in:
Yongbok Kim 2018-02-22 10:49:46 -05:00 committed by Lioncash
parent 0c5ebbd096
commit 15e0109162
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 21 additions and 25 deletions
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46
qemu/target-mips/translate.c
View file

@ -4843,14 +4843,19 @@ static inline void gen_mtc0_store32 (DisasContext *ctx, TCGv arg, target_ulong o
tcg_temp_free_i32(tcg_ctx, t0);
}
#define CP0_CHECK(c) \
do { \
if (!(c)) { \
goto cp0_unimplemented; \
} \
} while (0)
static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
TCGContext *s = ctx->uc->tcg_ctx;
const char *rn = "invalid";
if (!(ctx->hflags & MIPS_HFLAG_ELPA)) {
goto mfhc0_read_zero;
}
CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
switch (reg) {
case 2:
@ -4860,7 +4865,7 @@ static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
rn = "EntryLo0";
break;
default:
goto mfhc0_read_zero;
goto cp0_unimplemented;
}
break;
case 3:
@ -4870,7 +4875,7 @@ static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
rn = "EntryLo1";
break;
default:
goto mfhc0_read_zero;
goto cp0_unimplemented;
}
break;
case 17:
@ -4881,7 +4886,7 @@ static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
rn = "LLAddr";
break;
default:
goto mfhc0_read_zero;
goto cp0_unimplemented;
}
break;
case 28:
@ -4894,18 +4899,18 @@ static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
rn = "TagLo";
break;
default:
goto mfhc0_read_zero;
goto cp0_unimplemented;
}
break;
default:
goto mfhc0_read_zero;
goto cp0_unimplemented;
}
(void)rn; /* avoid a compiler warning */
LOG_DISAS("mfhc0 %s (reg %d sel %d)\n", rn, reg, sel);
return;
mfhc0_read_zero:
cp0_unimplemented:
LOG_DISAS("mfhc0 %s (reg %d sel %d)\n", rn, reg, sel);
tcg_gen_movi_tl(s, arg, 0);
}
@ -4916,9 +4921,7 @@ static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
const char *rn = "invalid";
uint64_t mask = ctx->PAMask >> 36;
if (!(ctx->hflags & MIPS_HFLAG_ELPA)) {
goto mthc0_nop;
}
CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
switch (reg) {
case 2:
@ -4929,7 +4932,7 @@ static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
rn = "EntryLo0";
break;
default:
goto mthc0_nop;
goto cp0_unimplemented;
}
break;
case 3:
@ -4940,7 +4943,7 @@ static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
rn = "EntryLo1";
break;
default:
goto mthc0_nop;
goto cp0_unimplemented;
}
break;
case 17:
@ -4953,7 +4956,7 @@ static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
rn = "LLAddr";
break;
default:
goto mthc0_nop;
goto cp0_unimplemented;
}
break;
case 28:
@ -4967,15 +4970,15 @@ static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
rn = "TagLo";
break;
default:
goto mthc0_nop;
goto cp0_unimplemented;
}
break;
default:
goto mthc0_nop;
goto cp0_unimplemented;
}
(void)rn; /* avoid a compiler warning */
mthc0_nop:
cp0_unimplemented:
LOG_DISAS("mthc0 %s (reg %d sel %d)\n", rn, reg, sel);
}
@ -4989,13 +4992,6 @@ static inline void gen_mfc0_unimplemented(DisasContext *ctx, TCGv arg)
}
}
#define CP0_CHECK(c) \
do { \
if (!(c)) { \
goto cp0_unimplemented; \
} \
} while (0)
static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
TCGContext *tcg_ctx = ctx->uc->tcg_ctx;