iVar2 = ACSmmuIsDeviceNonSecure();
  if ((iVar2 == 0) ||
     ((DVar3 = DALSYS_GetDALPropertyHandleStrEx("/ac/smmu",aDStack56,DEVCFG_PROP_INFO_OEM),
      DVar3 != 0 && (DVar3 = DALSYS_GetDALPropertyHandleStr("/ac/smmu",aDStack56), DVar3 != 0)))) {
    uSmmuDisable = 0;
  }
  else {
    DVar3 = DALSYS_GetPropertyValue(aDStack56,"disable_smmu_ac",0,(DALSYSPropertyVar *)auStack72);
    uSmmuDisable = 0;
    if (DVar3 == 0) {
      uSmmuDisable = auStack72._8_4_;
    }
  }