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by skaiuijing
107 days ago
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I’ve been building a small, modular Real-Time Operating System (RTOS) for ARM Cortex‑M, focusing on clarity, portability, and hackability. It started as an experiment to see how small an RTOS kernel could be — the first version was about 400 lines, implementing memory management and a simple multithreaded scheduler. I later expanded it into a complete, readable system and wrote an English tutorial series along the way. The project includes tutorials covering: • memory management
• ARM exception model
• context switching
• scheduler design
• IPC and synchronization Everything is implemented from scratch with readability in mind, and each subsystem is explained step by step. |
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