A simple ARM Operating System for the Raspberry Pi, supporting Aarch32 and Aarch64 architectures. It supports both Raspberry Pi Zero / Zero W and Raspberry Pi 4.
This project was made for the Embedded Systems course at NTUA 2020-2021.
Quick Links:
GitHub repository: https://github.com/thanoskoutr/armOS
Wiki Documentation: https://github.com/thanoskoutr/armOS/wiki
Doxygen Documentation: https://thanoskoutr.github.io/armOS/
There is presentation in Greek that was made to showcase the Project. You can find it here or hosted in the repository.