Mirarge might be a good stepping stone, but ultimately I think we want Cog running directly on the Xen "hardware" without Mirage. Erlang and Haskell are languages that already do this. [1] We need to get on that list at the bottom.Maybe a good starting place is SqueakNOS [2] since it is reported to work with Grub and there is PVGrub [3] [4].or PharoNOS :)