diff options
Diffstat (limited to 'target-i386/translate.c')
| -rw-r--r-- | target-i386/translate.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c index ceed4d1efb..764b1e44b7 100644 --- a/target-i386/translate.c +++ b/target-i386/translate.c @@ -7627,18 +7627,20 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s, ot = MO_64; else ot = MO_32; - /* XXX: do it dynamically with CR4.DE bit */ - if (reg == 4 || reg == 5 || reg >= 8) + if (reg >= 8) { goto illegal_op; + } if (b & 2) { gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_DR0 + reg); gen_op_mov_v_reg(ot, cpu_T[0], rm); - gen_helper_movl_drN_T0(cpu_env, tcg_const_i32(reg), cpu_T[0]); + tcg_gen_movi_i32(cpu_tmp2_i32, reg); + gen_helper_set_dr(cpu_env, cpu_tmp2_i32, cpu_T[0]); gen_jmp_im(s->pc - s->cs_base); gen_eob(s); } else { gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + reg); - tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,dr[reg])); + tcg_gen_movi_i32(cpu_tmp2_i32, reg); + gen_helper_get_dr(cpu_T[0], cpu_env, cpu_tmp2_i32); gen_op_mov_reg_v(ot, rm, cpu_T[0]); } } |