doc/pru-setup

   1 1.) build/install pru kernel module driver & library objects/headers
   2         a. https://github.com/beagleboard/am335x_pru_package.git
   3         b. headers go in /usr/include/pruss/
   4         c. in app_loader/interface/, `CROSS_COMPILE= make`
   5         d. in app_loader/lib/ move objects to /usr/lib && `ldconfig`
   6
   7 2.) build/install assembler
   8         a. in pru_sw/utils/pasm_source/, `source linuxbuild` (wtf)
   9         b. executable is one dir up, put in $PATH
  10
  11 3.) load "kernel module"
  12         a. `echo BB-BONE-PRU-01 > /sys/devices/bone_capemgr.9/slots`
  13
  14 4.) write pru assembly
  15         a. this is the most fun part
  16         b. assemble object via binary in step 2
  17
  18 5.) write host loader
  19         a. C
  20         b. init lib, setup intr.
  21         c. load object from 4a via lib func
  22         d. block until intr via lib func
  23         e. clean up via lib func