Aerogel OS

An open-source operating system built from scratch, targeting x86 (BIOS/MBR) and x86_64 (UEFI/GPT).

License: GPL-3.0
Status: Early development

Architecture

Target	Boot	Partition
x86	BIOS	MBR
x86_64	UEFI	GPT

Building

Requires: nasm, i686-elf-gcc (x86) or x86_64-elf-gcc (x86_64), cmake >= 3.20, python3

# x86
cmake -B build/x86 -DAERGEL_ARCH=x86 --toolchain tools/cmake/toolchain-x86.cmake
cmake --build build/x86

# x86_64
cmake -B build/x86_64 -DAERGEL_ARCH=x86_64 --toolchain tools/cmake/toolchain-x86_64.cmake
cmake --build build/x86_64

Running (QEMU)

./tools/scripts/run-qemu.sh x86
./tools/scripts/run-qemu.sh x86_64

Structure

arch/       Architecture-specific boot, CPU init, and memory management
kernel/     Architecture-agnostic kernel subsystems
drivers/    Device drivers
libs/       Freestanding libc and kernel utility library
userspace/  Init, shell, setup wizard
rust/       Rust workspace for safety-critical components
tools/      Build toolchains and scripts
docs/       Documentation

License

GPL-3.0 — see LICENSE