code: async def _reset_vector(self):
          
  
          self._logger.info("Tile %s at address %d is starting from reset", self.name, self.address)
  
          try:
              address, run_level, debug = await self._device.emulator.await_rpc(8, rpcs.REGISTER_TILE, *self._registration_tuple())
          except:
              self._logger.exception("Error registering tile: address=%d, name=%s", self.address, self.name)
              raise
  
          self.debug_mode = bool(debug)
          self.run_level = run_level
          self._logger.info("Tile at address %d registered itself, received address=%d, runlevel=%d and debug=%d", self.address, address, run_level, debug)
  
          self._registered.set()
  
          # If we are in safe mode we do not run the main application
          # loop.
          if run_level == RunLevel.SAFE_MODE:
              self.initialized.set()
              return
  
          if run_level == RunLevel.START_ON_COMMAND:
              await self._start_received.wait()
  
          self._hosted_app_running.set()
          await self._application_main()
docs: Main background task for the tile executive.
  
          The tile executive is in charge registering the tile with the
          controller and then handing control over to the tile's application
          firmware after proper configuration values have been received.