diff options
Diffstat (limited to 'target/mips')
| -rw-r--r-- | target/mips/gdbstub.c | 3 | ||||
| -rw-r--r-- | target/mips/op_helper.c | 3 | ||||
| -rw-r--r-- | target/mips/translate.c | 28 |
3 files changed, 21 insertions, 13 deletions
diff --git a/target/mips/gdbstub.c b/target/mips/gdbstub.c index 6d1fb70f2c..18e0e6dce4 100644 --- a/target/mips/gdbstub.c +++ b/target/mips/gdbstub.c @@ -39,7 +39,7 @@ int mips_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) return gdb_get_regl(mem_buf, (int32_t)env->active_fpu.fcr0); default: if (env->CP0_Status & (1 << CP0St_FR)) { - return gdb_get_regl(mem_buf, + return gdb_get_reg64(mem_buf, env->active_fpu.fpr[n - 38].d); } else { return gdb_get_regl(mem_buf, @@ -100,6 +100,7 @@ int mips_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) break; default: if (env->CP0_Status & (1 << CP0St_FR)) { + uint64_t tmp = ldq_p(mem_buf); env->active_fpu.fpr[n - 38].d = tmp; } else { env->active_fpu.fpr[n - 38].w[FP_ENDIAN_IDX] = tmp; diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c index 9025f42366..41d3634289 100644 --- a/target/mips/op_helper.c +++ b/target/mips/op_helper.c @@ -2627,6 +2627,9 @@ void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t fs, uint32_t rt) (env->active_fpu.fcr31 & ~(env->active_fpu.fcr31_rw_bitmask)); break; default: + if (env->insn_flags & ISA_MIPS32R6) { + do_raise_exception(env, EXCP_RI, GETPC()); + } return; } restore_fp_status(env); diff --git a/target/mips/translate.c b/target/mips/translate.c index e57d71e485..20b43c0337 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -2112,7 +2112,7 @@ OP_ST_ATOMIC(scd,st64,ld64,0x7); #undef OP_ST_ATOMIC static void gen_base_offset_addr (DisasContext *ctx, TCGv addr, - int base, int16_t offset) + int base, int offset) { if (base == 0) { tcg_gen_movi_tl(addr, offset); @@ -2140,7 +2140,7 @@ static target_ulong pc_relative_pc (DisasContext *ctx) /* Load */ static void gen_ld(DisasContext *ctx, uint32_t opc, - int rt, int base, int16_t offset) + int rt, int base, int offset) { TCGv t0, t1, t2; int mem_idx = ctx->mem_idx; @@ -2337,7 +2337,7 @@ static void gen_ld(DisasContext *ctx, uint32_t opc, /* Store */ static void gen_st (DisasContext *ctx, uint32_t opc, int rt, - int base, int16_t offset) + int base, int offset) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); @@ -2433,11 +2433,8 @@ static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt, /* Load and store */ static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, - int base, int16_t offset) + TCGv t0) { - TCGv t0 = tcg_temp_new(); - - gen_base_offset_addr(ctx, t0, base, offset); /* Don't do NOP if destination is zero: we must perform the actual memory access. */ switch (opc) { @@ -2480,15 +2477,15 @@ static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, default: MIPS_INVAL("flt_ldst"); generate_exception_end(ctx, EXCP_RI); - goto out; + break; } - out: - tcg_temp_free(t0); } static void gen_cop1_ldst(DisasContext *ctx, uint32_t op, int rt, int rs, int16_t imm) { + TCGv t0 = tcg_temp_new(); + if (ctx->CP0_Config1 & (1 << CP0C1_FP)) { check_cp1_enabled(ctx); switch (op) { @@ -2497,16 +2494,18 @@ static void gen_cop1_ldst(DisasContext *ctx, uint32_t op, int rt, check_insn(ctx, ISA_MIPS2); /* Fallthrough */ default: - gen_flt_ldst(ctx, op, rt, rs, imm); + gen_base_offset_addr(ctx, t0, rs, imm); + gen_flt_ldst(ctx, op, rt, t0); } } else { generate_exception_err(ctx, EXCP_CpU, 1); } + tcg_temp_free(t0); } /* Arithmetic with immediate operand */ static void gen_arith_imm(DisasContext *ctx, uint32_t opc, - int rt, int rs, int16_t imm) + int rt, int rs, int imm) { target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */ @@ -20713,6 +20712,11 @@ void cpu_state_reset(CPUMIPSState *env) env->CP0_Status |= (1 << CP0St_FR); } + if (env->CP0_Config3 & (1 << CP0C3_ISA)) { + /* microMIPS on reset when Config3.ISA == {1, 3} */ + env->hflags |= MIPS_HFLAG_M16; + } + /* MSA */ if (env->CP0_Config3 & (1 << CP0C3_MSAP)) { msa_reset(env); |