target/mips: Clean up handling of CP0 register 3

Clean up handling of CP0 register 3.

Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1567009614-12438-5-git-send-email-aleksandar.markovic@rt-rk.com>

diff --git a/target/mips/cpu.h b/target/mips/cpu.h
index 466f72acabd6c0a4cfdb846104df8fecaebf8c8d..d5b7103a42d15c4940c5509030eb1253bdc1d46d 100644 (file)
--- a/target/mips/cpu.h
+++ b/target/mips/cpu.h
@@ -302,6 +302,7 @@ typedef struct mips_def_t mips_def_t;
 /* CP0 Register 03 */
 #define CP0_REG03__ENTRYLO1        0
 #define CP0_REG03__GLOBALNUM       1
+#define CP0_REG03__TCOPT           7
 /* CP0 Register 04 */
 #define CP0_REG04__CONTEXT         0
 #define CP0_REG04__USERLOCAL       2

diff --git a/target/mips/translate.c b/target/mips/translate.c
index 66c620726e1de130d417737e176fdd1fbc44af96..059f53e991edf7c151f71513db0ade1f6c50e600 100644 (file)
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -6647,7 +6647,7 @@ static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_03:
         switch (sel) {
-        case 0:
+        case CP0_REG03__ENTRYLO1:
             CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
             gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
             register_name = "EntryLo1";
@@ -6728,7 +6728,7 @@ static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_03:
         switch (sel) {
-        case 0:
+        case CP0_REG03__ENTRYLO1:
             CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
             tcg_gen_andi_tl(arg, arg, mask);
             gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
@@ -6947,7 +6947,7 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_03:
         switch (sel) {
-        case 0:
+        case CP0_REG03__ENTRYLO1:
             {
                 TCGv_i64 tmp = tcg_temp_new_i64();
                 tcg_gen_ld_i64(tmp, cpu_env,
@@ -6964,7 +6964,7 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
             }
             register_name = "EntryLo1";
             break;
-        case 1:
+        case CP0_REG03__GLOBALNUM:
             CP0_CHECK(ctx->vp);
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber));
             register_name = "GlobalNumber";
@@ -7695,11 +7695,11 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_03:
         switch (sel) {
-        case 0:
+        case CP0_REG03__ENTRYLO1:
             gen_helper_mtc0_entrylo1(cpu_env, arg);
             register_name = "EntryLo1";
             break;
-        case 1:
+        case CP0_REG03__GLOBALNUM:
             CP0_CHECK(ctx->vp);
             /* ignored */
             register_name = "GlobalNumber";
@@ -8440,11 +8440,11 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_03:
         switch (sel) {
-        case 0:
+        case CP0_REG03__ENTRYLO1:
             tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryLo1));
             register_name = "EntryLo1";
             break;
-        case 1:
+        case CP0_REG03__GLOBALNUM:
             CP0_CHECK(ctx->vp);
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber));
             register_name = "GlobalNumber";
@@ -9153,11 +9153,11 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
         break;
     case CP0_REGISTER_03:
         switch (sel) {
-        case 0:
+        case CP0_REG03__ENTRYLO1:
             gen_helper_dmtc0_entrylo1(cpu_env, arg);
             register_name = "EntryLo1";
             break;
-        case 1:
+        case CP0_REG03__GLOBALNUM:
             CP0_CHECK(ctx->vp);
             /* ignored */
             register_name = "GlobalNumber";