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Baremetal code, written for Raspberry Pi Pico. Primarily, intentionally written with as much ARM assembly as possible. As of now the kernel is so complex that using assembly in areas other than hardware drivers is highly unsafe and not recommended.
- Multiple drivers for peripherals written in assembly 🚧
- Dynamic memory allocation ✅
- Dedicated simple libc for kernel space ✅
- Cooperative and Pre-emptive Multitasking 🚧
- Multiple syscalls in the POSIX compatibility ✅
- Filesystem ✅
- EXT2 support 🚧
- PS2 keyboard driver ✅
- UART communication ✅
- VGA monitor driver 640x480 ✅
- SD card driver 🚧
- Ethernet WIZnet W5100S 🚧
- Porting LIBC to user space programs as a dynamic library
- Writing user-space programs like CLI, assembler and vim-like editor
- Introducing Rust into kernel
- ELF executable support
- Multithreading
- Memory Protection
- After full filesystem support move some parts of firmware into bootloader. The kernel and the initramfs should reside in the
/bootdirectory
Open-source and released under the BSD 3-Clause License. Feel free to use, modify, and distribute the code in accordance with the terms specified in the license.
Copyright (C) 2025 Artur Twardzik