diff options
Diffstat (limited to 'target-mips/translate.c')
| -rw-r--r-- | target-mips/translate.c | 106 |
1 files changed, 59 insertions, 47 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c index c95ecb1bdb..2075d09b7f 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -1220,6 +1220,17 @@ static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, tcg_temp_free(t0); } +static void gen_cop1_ldst(CPUState *env, DisasContext *ctx, + uint32_t op, int rt, int rs, int16_t imm) +{ + if (env->CP0_Config1 & (1 << CP0C1_FP)) { + check_cp1_enabled(ctx); + gen_flt_ldst(ctx, op, rt, rs, imm); + } else { + generate_exception_err(ctx, EXCP_CpU, 1); + } +} + /* Arithmetic with immediate operand */ static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rs, int16_t imm) @@ -7528,6 +7539,52 @@ static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, fregnames[fs], fregnames[ft]); } +static void +gen_rdhwr (CPUState *env, DisasContext *ctx, int rt, int rd) +{ + TCGv t0; + + check_insn(env, ctx, ISA_MIPS32R2); + t0 = tcg_temp_new(); + + switch (rd) { + case 0: + save_cpu_state(ctx, 1); + gen_helper_rdhwr_cpunum(t0); + gen_store_gpr(t0, rt); + break; + case 1: + save_cpu_state(ctx, 1); + gen_helper_rdhwr_synci_step(t0); + gen_store_gpr(t0, rt); + break; + case 2: + save_cpu_state(ctx, 1); + gen_helper_rdhwr_cc(t0); + gen_store_gpr(t0, rt); + break; + case 3: + save_cpu_state(ctx, 1); + gen_helper_rdhwr_ccres(t0); + gen_store_gpr(t0, rt); + break; + case 29: +#if defined(CONFIG_USER_ONLY) + tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value)); + gen_store_gpr(t0, rt); + break; +#else + /* XXX: Some CPUs implement this in hardware. + Not supported yet. */ +#endif + default: /* Invalid */ + MIPS_INVAL("rdhwr"); + generate_exception(ctx, EXCP_RI); + break; + } + tcg_temp_free(t0); +} + static void handle_delay_slot (CPUState *env, DisasContext *ctx, int insn_bytes) { @@ -8999,47 +9056,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch) gen_bshfl(ctx, op2, rt, rd); break; case OPC_RDHWR: - check_insn(env, ctx, ISA_MIPS32R2); - { - TCGv t0 = tcg_temp_new(); - - switch (rd) { - case 0: - save_cpu_state(ctx, 1); - gen_helper_rdhwr_cpunum(t0); - gen_store_gpr(t0, rt); - break; - case 1: - save_cpu_state(ctx, 1); - gen_helper_rdhwr_synci_step(t0); - gen_store_gpr(t0, rt); - break; - case 2: - save_cpu_state(ctx, 1); - gen_helper_rdhwr_cc(t0); - gen_store_gpr(t0, rt); - break; - case 3: - save_cpu_state(ctx, 1); - gen_helper_rdhwr_ccres(t0); - gen_store_gpr(t0, rt); - break; - case 29: -#if defined(CONFIG_USER_ONLY) - tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value)); - gen_store_gpr(t0, rt); - break; -#else - /* XXX: Some CPUs implement this in hardware. - Not supported yet. */ -#endif - default: /* Invalid */ - MIPS_INVAL("rdhwr"); - generate_exception(ctx, EXCP_RI); - break; - } - tcg_temp_free(t0); - } + gen_rdhwr(env, ctx, rt, rd); break; case OPC_FORK: check_insn(env, ctx, ASE_MT); @@ -9242,12 +9259,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch) case OPC_LDC1: case OPC_SWC1: case OPC_SDC1: - if (env->CP0_Config1 & (1 << CP0C1_FP)) { - check_cp1_enabled(ctx); - gen_flt_ldst(ctx, op, rt, rs, imm); - } else { - generate_exception_err(ctx, EXCP_CpU, 1); - } + gen_cop1_ldst(env, ctx, op, rt, rs, imm); break; case OPC_CP1: |