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authorAleksandar Markovic <amarkovic@wavecomp.com>2019-08-28 18:26:54 +0200
committerAleksandar Markovic <amarkovic@wavecomp.com>2019-08-29 12:08:49 +0200
commit14d92efd721755cc31df328261d301177980fa89 (patch)
treee03b9e437cd458b73a00bab41fb740720a4b5bcc
parent4bcf121ebb009db8d135d8819b8d5837cfd6bb37 (diff)
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target/mips: Clean up handling of CP0 register 31
Clean up handling of CP0 register 31. Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com> Message-Id: <1567009614-12438-31-git-send-email-aleksandar.markovic@rt-rk.com>
-rw-r--r--target/mips/cpu.h2
-rw-r--r--target/mips/translate.c56
2 files changed, 29 insertions, 29 deletions
diff --git a/target/mips/cpu.h b/target/mips/cpu.h
index 6defbea..ca00f41 100644
--- a/target/mips/cpu.h
+++ b/target/mips/cpu.h
@@ -613,7 +613,6 @@ struct CPUMIPSState {
* CP0 Register 4
*/
target_ulong CP0_Context;
- target_ulong CP0_KScratch[MIPS_KSCRATCH_NUM];
int32_t CP0_MemoryMapID;
/*
* CP0 Register 5
@@ -1024,6 +1023,7 @@ struct CPUMIPSState {
* CP0 Register 31
*/
int32_t CP0_DESAVE;
+ target_ulong CP0_KScratch[MIPS_KSCRATCH_NUM];
/* We waste some space so we can handle shadow registers like TCs. */
TCState tcs[MIPS_SHADOW_SET_MAX];
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 93f7a20..f6d1424 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -7532,17 +7532,17 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_31:
switch (sel) {
- case 0:
+ case CP0_REG31__DESAVE:
/* EJTAG support */
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
register_name = "DESAVE";
break;
- case 2:
- case 3:
- case 4:
- case 5:
- case 6:
- case 7:
+ case CP0_REG31__KSCRATCH1:
+ case CP0_REG31__KSCRATCH2:
+ case CP0_REG31__KSCRATCH3:
+ case CP0_REG31__KSCRATCH4:
+ case CP0_REG31__KSCRATCH5:
+ case CP0_REG31__KSCRATCH6:
CP0_CHECK(ctx->kscrexist & (1 << sel));
tcg_gen_ld_tl(arg, cpu_env,
offsetof(CPUMIPSState, CP0_KScratch[sel-2]));
@@ -8282,17 +8282,17 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_31:
switch (sel) {
- case 0:
+ case CP0_REG31__DESAVE:
/* EJTAG support */
gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
register_name = "DESAVE";
break;
- case 2:
- case 3:
- case 4:
- case 5:
- case 6:
- case 7:
+ case CP0_REG31__KSCRATCH1:
+ case CP0_REG31__KSCRATCH2:
+ case CP0_REG31__KSCRATCH3:
+ case CP0_REG31__KSCRATCH4:
+ case CP0_REG31__KSCRATCH5:
+ case CP0_REG31__KSCRATCH6:
CP0_CHECK(ctx->kscrexist & (1 << sel));
tcg_gen_st_tl(arg, cpu_env,
offsetof(CPUMIPSState, CP0_KScratch[sel-2]));
@@ -9009,17 +9009,17 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_31:
switch (sel) {
- case 0:
+ case CP0_REG31__DESAVE:
/* EJTAG support */
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
register_name = "DESAVE";
break;
- case 2:
- case 3:
- case 4:
- case 5:
- case 6:
- case 7:
+ case CP0_REG31__KSCRATCH1:
+ case CP0_REG31__KSCRATCH2:
+ case CP0_REG31__KSCRATCH3:
+ case CP0_REG31__KSCRATCH4:
+ case CP0_REG31__KSCRATCH5:
+ case CP0_REG31__KSCRATCH6:
CP0_CHECK(ctx->kscrexist & (1 << sel));
tcg_gen_ld_tl(arg, cpu_env,
offsetof(CPUMIPSState, CP0_KScratch[sel-2]));
@@ -9746,17 +9746,17 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_31:
switch (sel) {
- case 0:
+ case CP0_REG31__DESAVE:
/* EJTAG support */
gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
register_name = "DESAVE";
break;
- case 2:
- case 3:
- case 4:
- case 5:
- case 6:
- case 7:
+ case CP0_REG31__KSCRATCH1:
+ case CP0_REG31__KSCRATCH2:
+ case CP0_REG31__KSCRATCH3:
+ case CP0_REG31__KSCRATCH4:
+ case CP0_REG31__KSCRATCH5:
+ case CP0_REG31__KSCRATCH6:
CP0_CHECK(ctx->kscrexist & (1 << sel));
tcg_gen_st_tl(arg, cpu_env,
offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));