mrubyvisor

mrubyvisor is mruby running in supervisor (kernel) mode.
mruby is a lightweight implementation of Ruby.
Ruby is an interpreted, dynamically typed programming language.

Dependencies

Cross-compiler.

Debian

The list may be incomplete.

build-essential
grub-common
qemu-system-x86
rake

Build

Create file config.mk, use config.example.mk as a reference.

Then just do make.