.. comment SPDX-License-Identifier: CC-BY-SA-4.0 .. COMMENT: COPYRIGHT (c) 1988-2002. .. COMMENT: On-Line Applications Research Corporation (OAR). .. COMMENT: All rights reserved. Introduction ************ This document describes how to create or modify a Board Support Package (BSP) for RTEMS, i.e. how to port RTEMS on a new microcontroller, system on chip (SoC) or board. It is strongly recommended to notify the `RTEMS development mailing `_ about any activity in this area and maybe also `add tickets `_ for specific work packages. A basic BSP consists of the following components: - Low-level initialization - Console driver - Clock driver