Rust core library downloaded for your target (example for x86_64)
rustup target add x86_64-unknown-none
Nightly channel
rustup override set nightly
Install QEMU and set the environmental variable QEMU to the path to its installation folder.
src - Automatically runs the kernel in QEMU kernel - Core exokernel kernel/arch - Arch-specific code (arch)/bootloader/bios - BIOS bootloader