Cobbler deploys elilo.efi over TFTP to enable network booting of
Itanium machines.

ELILO is GPL and is being distributed in binary form
persuant to this section of the GPL license:

    c) Accompany it with the information you received as to the offer
    to distribute corresponding source code.  (This alternative is
    allowed only for noncommercial distribution and only if you
    received the program in object code or executable form with such
    an offer, in accord with Subsection b above.)

Source code to ELILO is available on http://sourceforge.net/projects/elilo.

A full copy of the GPL is available in "COPYING".