Im new to FreeBSD so I will keep some notes on installation, recompiling etc here.
I have installed a Virtual Box FreeBSD 10 64 bit VM on Ubuntu 13.10 64 bit.
More info on FreeBSD on VBox here
https://wiki.freebsd.org/VirtualBox
- Getting started with the kernel; http://www.watson.org/~robert/freebsd/reading
Install software
$ pkg install <pkg name>
So far; sudo, ocaml-nox11
Detailed instructions for cross compiling a complete rPi image
http://ogris.de/howtos/freebsd-raspberry.html
Some more references