[Qemu-devel] [PATCH v8 26/37] target/mips: Clean up handling of CP0 register 12

[Aleksandar Markovic]

From: Aleksandar Markovic <address@hidden>

Clean up handling of CP0 register 12.

Signed-off-by: Aleksandar Markovic <address@hidden>
---
 target/mips/cpu.h       |  3 +++
 target/mips/translate.c | 32 ++++++++++++++++----------------
 2 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/target/mips/cpu.h b/target/mips/cpu.h
index 5e08b78..d61b8c0 100644
--- a/target/mips/cpu.h
+++ b/target/mips/cpu.h
@@ -349,6 +349,9 @@ typedef struct mips_def_t mips_def_t;
 #define CP0_REG12__STATUS          0
 #define CP0_REG12__INTCTL          1
 #define CP0_REG12__SRSCTL          2
+#define CP0_REG12__SRSMAP          3
+#define CP0_REG12__VIEW_IPL        4
+#define CP0_REG12__SRSMAP2         5
 #define CP0_REG12__GUESTCTL0       6
 #define CP0_REG12__GTOFFSET        7
 /* CP0 Register 13 */
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 07251a4..863bd39 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -7224,21 +7224,21 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int 
reg, int sel)
         break;
     case CP0_REGISTER_12:
         switch (sel) {
-        case 0:
+        case CP0_REG12__STATUS:
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
             register_name = "Status";
             break;
-        case 1:
+        case CP0_REG12__INTCTL:
             check_insn(ctx, ISA_MIPS32R2);
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
             register_name = "IntCtl";
             break;
-        case 2:
+        case CP0_REG12__SRSCTL:
             check_insn(ctx, ISA_MIPS32R2);
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
             register_name = "SRSCtl";
             break;
-        case 3:
+        case CP0_REG12__SRSMAP:
             check_insn(ctx, ISA_MIPS32R2);
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
             register_name = "SRSMap";
@@ -7944,7 +7944,7 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int 
reg, int sel)
         break;
     case CP0_REGISTER_12:
         switch (sel) {
-        case 0:
+        case CP0_REG12__STATUS:
             save_cpu_state(ctx, 1);
             gen_helper_mtc0_status(cpu_env, arg);
             /* DISAS_STOP isn't good enough here, hflags may have changed. */
@@ -7952,21 +7952,21 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int 
reg, int sel)
             ctx->base.is_jmp = DISAS_EXIT;
             register_name = "Status";
             break;
-        case 1:
+        case CP0_REG12__INTCTL:
             check_insn(ctx, ISA_MIPS32R2);
             gen_helper_mtc0_intctl(cpu_env, arg);
             /* Stop translation as we may have switched the execution mode */
             ctx->base.is_jmp = DISAS_STOP;
             register_name = "IntCtl";
             break;
-        case 2:
+        case CP0_REG12__SRSCTL:
             check_insn(ctx, ISA_MIPS32R2);
             gen_helper_mtc0_srsctl(cpu_env, arg);
             /* Stop translation as we may have switched the execution mode */
             ctx->base.is_jmp = DISAS_STOP;
             register_name = "SRSCtl";
             break;
-        case 3:
+        case CP0_REG12__SRSMAP:
             check_insn(ctx, ISA_MIPS32R2);
             gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
             /* Stop translation as we may have switched the execution mode */
@@ -8711,21 +8711,21 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int 
reg, int sel)
         break;
     case CP0_REGISTER_12:
         switch (sel) {
-        case 0:
+        case CP0_REG12__STATUS:
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
             register_name = "Status";
             break;
-        case 1:
+        case CP0_REG12__INTCTL:
             check_insn(ctx, ISA_MIPS32R2);
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
             register_name = "IntCtl";
             break;
-        case 2:
+        case CP0_REG12__SRSCTL:
             check_insn(ctx, ISA_MIPS32R2);
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
             register_name = "SRSCtl";
             break;
-        case 3:
+        case CP0_REG12__SRSMAP:
             check_insn(ctx, ISA_MIPS32R2);
             gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
             register_name = "SRSMap";
@@ -9419,7 +9419,7 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int 
reg, int sel)
         break;
     case CP0_REGISTER_12:
         switch (sel) {
-        case 0:
+        case CP0_REG12__STATUS:
             save_cpu_state(ctx, 1);
             gen_helper_mtc0_status(cpu_env, arg);
             /* DISAS_STOP isn't good enough here, hflags may have changed. */
@@ -9427,21 +9427,21 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int 
reg, int sel)
             ctx->base.is_jmp = DISAS_EXIT;
             register_name = "Status";
             break;
-        case 1:
+        case CP0_REG12__INTCTL:
             check_insn(ctx, ISA_MIPS32R2);
             gen_helper_mtc0_intctl(cpu_env, arg);
             /* Stop translation as we may have switched the execution mode */
             ctx->base.is_jmp = DISAS_STOP;
             register_name = "IntCtl";
             break;
-        case 2:
+        case CP0_REG12__SRSCTL:
             check_insn(ctx, ISA_MIPS32R2);
             gen_helper_mtc0_srsctl(cpu_env, arg);
             /* Stop translation as we may have switched the execution mode */
             ctx->base.is_jmp = DISAS_STOP;
             register_name = "SRSCtl";
             break;
-        case 3:
+        case CP0_REG12__SRSMAP:
             check_insn(ctx, ISA_MIPS32R2);
             gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
             /* Stop translation as we may have switched the execution mode */
-- 
2.7.4