}
break;
case 0x21: /* mov from dr to reg */
+ no_wb = 1;
if (modrm_mod != 3)
goto cannot_emulate;
rc = emulator_get_dr(ctxt, modrm_reg, &_regs[modrm_rm]);
break;
case 0x23: /* mov from reg to dr */
+ no_wb = 1;
if (modrm_mod != 3)
goto cannot_emulate;
rc = emulator_set_dr(ctxt, modrm_reg, _regs[modrm_rm]);