From 020fe379093deb116d72174268335d60133f0e26 Mon Sep 17 00:00:00 2001 From: Aleksandar Markovic Date: Thu, 29 Aug 2019 11:46:55 +0200 Subject: [PATCH] target/mips: Clean up handling of CP0 register 4 Clean up handling of CP0 register 4. Reviewed-by: Aleksandar Rikalo Signed-off-by: Aleksandar Markovic Message-Id: <1567009614-12438-6-git-send-email-aleksandar.markovic@rt-rk.com> --- target/mips/cpu.h | 2 ++ target/mips/translate.c | 36 ++++++++++++++++++++---------------- 2 files changed, 22 insertions(+), 16 deletions(-) diff --git a/target/mips/cpu.h b/target/mips/cpu.h index d5b7103a42..496872e2c4 100644 --- a/target/mips/cpu.h +++ b/target/mips/cpu.h @@ -305,7 +305,9 @@ typedef struct mips_def_t mips_def_t; #define CP0_REG03__TCOPT 7 /* CP0 Register 04 */ #define CP0_REG04__CONTEXT 0 +#define CP0_REG04__CONTEXTCONFIG 1 #define CP0_REG04__USERLOCAL 2 +#define CP0_REG04__XCONTEXTCONFIG 3 #define CP0_REG04__DBGCONTEXTID 4 #define CP0_REG00__MMID 5 /* CP0 Register 05 */ diff --git a/target/mips/translate.c b/target/mips/translate.c index 059f53e991..9df59f17b4 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -6975,16 +6975,17 @@ static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel) break; case CP0_REGISTER_04: switch (sel) { - case 0: + case CP0_REG04__CONTEXT: tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_Context)); tcg_gen_ext32s_tl(arg, arg); register_name = "Context"; break; - case 1: - /* gen_helper_mfc0_contextconfig(arg); - SmartMIPS ASE */ + case CP0_REG04__CONTEXTCONFIG: + /* SmartMIPS ASE */ + /* gen_helper_mfc0_contextconfig(arg); */ register_name = "ContextConfig"; goto cp0_unimplemented; - case 2: + case CP0_REG04__USERLOCAL: CP0_CHECK(ctx->ulri); tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); @@ -7710,15 +7711,16 @@ static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel) break; case CP0_REGISTER_04: switch (sel) { - case 0: + case CP0_REG04__CONTEXT: gen_helper_mtc0_context(cpu_env, arg); register_name = "Context"; break; - case 1: -// gen_helper_mtc0_contextconfig(cpu_env, arg); /* SmartMIPS ASE */ + case CP0_REG04__CONTEXTCONFIG: + /* SmartMIPS ASE */ + /* gen_helper_mtc0_contextconfig(arg); */ register_name = "ContextConfig"; goto cp0_unimplemented; - case 2: + case CP0_REG04__USERLOCAL: CP0_CHECK(ctx->ulri); tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); @@ -8455,15 +8457,16 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel) break; case CP0_REGISTER_04: switch (sel) { - case 0: + case CP0_REG04__CONTEXT: tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_Context)); register_name = "Context"; break; - case 1: -// gen_helper_dmfc0_contextconfig(arg); /* SmartMIPS ASE */ + case CP0_REG04__CONTEXTCONFIG: + /* SmartMIPS ASE */ + /* gen_helper_dmfc0_contextconfig(arg); */ register_name = "ContextConfig"; goto cp0_unimplemented; - case 2: + case CP0_REG04__USERLOCAL: CP0_CHECK(ctx->ulri); tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); @@ -9168,15 +9171,16 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel) break; case CP0_REGISTER_04: switch (sel) { - case 0: + case CP0_REG04__CONTEXT: gen_helper_mtc0_context(cpu_env, arg); register_name = "Context"; break; - case 1: -// gen_helper_mtc0_contextconfig(cpu_env, arg); /* SmartMIPS ASE */ + case CP0_REG04__CONTEXTCONFIG: + /* SmartMIPS ASE */ + /* gen_helper_dmtc0_contextconfig(arg); */ register_name = "ContextConfig"; goto cp0_unimplemented; - case 2: + case CP0_REG04__USERLOCAL: CP0_CHECK(ctx->ulri); tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, active_tc.CP0_UserLocal));