[Qemu-devel] [PATCH v2 14/30] target/mips: Clean up handling of CP0 register 13

[Aleksandar Markovic]

From: Aleksandar Markovic <amarko...@wavecomp.com>

Clean up handling of CP0 register 13.

Signed-off-by: Aleksandar Markovic <amarko...@wavecomp.com>
---
 target/mips/cpu.h       | 2 ++
 target/mips/translate.c | 8 ++++----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/target/mips/cpu.h b/target/mips/cpu.h
index ec7285d..512e36e 100644
--- a/target/mips/cpu.h
+++ b/target/mips/cpu.h
@@ -359,6 +359,8 @@ 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 3240d25..1373447 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -7250,7 +7250,7 @@ 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;
@@ -7981,7 +7981,7 @@ 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);
             /*
@@ -8739,7 +8739,7 @@ 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;
@@ -9458,7 +9458,7 @@ 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);
             /*
-- 
2.7.4