Install Cross-Compilation Toolchains

Arch Linux

sudo pacman -S aarch64-linux-gnu-gcc \
               aarch64-linux-gnu-gdb \
               qemu-arch-extra

Build

git clone https://github.com/aesophor/valkyrie.git
cd valkyrie
make

The kernel image file kernel8.img can be located at build/kernel8.img.

This method allows you to interact with the kernel via stdin/stdout

make run

This method should only be used if you want to debug this kernel with GDB.

make run-debug

Now, spawn another shell and run the following command, and the gdb will attach to ther kernel we've just run.

make gdb