user@host# mkdir /usr/src/arm
user@host# cd /usr/src/arm
user@host# apt-get install gcc-arm-linux-gnueabi ncurses-dev
user@host# git clone https://github.com/raspberrypi/linux.git
user@host# cd linux
user@host# git branch -a
user@host# git checkout -b rpi-3.9.y
user@host# make ARCH=arm bcmrpi-defconfig
user@host# make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- -j6