x86_64 kernel skeleton

A small freestanding x86_64 OS skeleton using a custom two-stage BIOS bootloader instead of GRUB.

Build

make

Run

make run

Project layout

bootloader/       custom stage1/stage2 bootloader assembly
kernel/           freestanding x86_64 kernel
libc/             minimal freestanding libc/libk
scripts/          build, clean, run, and image scripts
docs/             bootloader and build notes