Booting to Rust by Eric Holk! It is just mind-bogglingly cool. What else can I say? His enhancement to Rust has been landed so it is time for me to try that out, in OS X. The setup of the toolchain could be a little bit challenging.
First and foremost, check out the latest Rust with win64 calling convention contributed by Eric Holk and build it.
Then prepare the cross linker.
$ wget http://ftpmirror.gnu.org/binutils/binutils-2.23.2.tar.gz
$ tar xvzf binutils-2.23.2.tar.gz
$ cd binutils-2.23.2
$ mkdir dist