iPXE - Open Source Boot Firmware

[pxe] Treat PXENV_RESTART_TFTP as unreturnable
-rw-r--r-- 17982 COPYING
-rw-r--r-- 558 COPYRIGHTS
-rw-r--r-- 113 README
drwxr-xr-x - contrib
drwxr-xr-x - src