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-rw-r--r--target/mips/cpu.h2
-rw-r--r--target/mips/translate.c8
2 files changed, 6 insertions, 4 deletions
diff --git a/target/mips/cpu.h b/target/mips/cpu.h
index 061effb80d..4fce05ae13 100644
--- a/target/mips/cpu.h
+++ b/target/mips/cpu.h
@@ -357,6 +357,8 @@ typedef struct mips_def_t mips_def_t;
#define CP0_REG12__GTOFFSET 7
/* CP0 Register 13 */
#define CP0_REG13__CAUSE 0
+#define CP0_REG13__VIEW_RIPL 4
+#define CP0_REG13__NESTEDEXC 5
/* CP0 Register 14 */
#define CP0_REG14__EPC 0
/* CP0 Register 15 */
diff --git a/target/mips/translate.c b/target/mips/translate.c
index fb9c719c33..4da08e1929 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -7202,7 +7202,7 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_13:
switch (sel) {
- case 0:
+ case CP0_REG13__CAUSE:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause));
register_name = "Cause";
break;
@@ -7928,7 +7928,7 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_13:
switch (sel) {
- case 0:
+ case CP0_REG13__CAUSE:
save_cpu_state(ctx, 1);
gen_helper_mtc0_cause(cpu_env, arg);
/*
@@ -8677,7 +8677,7 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_13:
switch (sel) {
- case 0:
+ case CP0_REG13__CAUSE:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause));
register_name = "Cause";
break;
@@ -9391,7 +9391,7 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
break;
case CP0_REGISTER_13:
switch (sel) {
- case 0:
+ case CP0_REG13__CAUSE:
save_cpu_state(ctx, 1);
gen_helper_mtc0_cause(cpu_env, arg);
/*