code: def _verify_control_structure(self, device_info, control_info=None):
          
  
          if control_info is None:
              control_info = self._find_control_structure(device_info.ram_start, device_info.ram_size)
  
          #FIXME: Actually reread the memory here to verify that the control structure is still valid
          return control_info
docs: Verify that a control structure is still valid or find one.
  
          Returns:
              ControlStructure: The verified or discovered control structure.