1.) build/install pru kernel module driver & library objects/headers
	a. https://github.com/beagleboard/am335x_pru_package.git
	b. headers go in /usr/include/pruss/
	c. in app_loader/interface/, `CROSS_COMPILE= make`
	d. in app_loader/lib/ move objects to /usr/lib && `ldconfig`

2.) build/install assembler
	a. in pru_sw/utils/pasm_source/, `source linuxbuild` (wtf)
	b. executable is one dir up, put in $PATH

3.) load "kernel module"
	a. `echo BB-BONE-PRU-01 > /sys/devices/bone_capemgr.9/slots`

4.) write pru assembly
	a. this is the most fun part
	b. assemble object via binary in step 2

5.) write host loader
	a. C
	b. init lib, setup intr.
	c. load object from 4a via lib func
	d. block until intr via lib func
	e. clean up via lib func