iPXE:
Thanks to "eworm" for his work on the AUR iPXE-git package:
https://aur.archlinux.org/packages/ipxe-git/

and specifically the following patches:
http://www.eworm.de/download/linux/ipxe-0001-git-version.patch
http://www.eworm.de/download/linux/ipxe-0002-banner.patch
http://www.eworm.de/download/linux/ipxe-0003-iso-efi.patch
http://www.eworm.de/download/linux/ipxe-0004-fix-no-pie-workaround.patch


thanks to jthan, even though he drives me batty sometimes.