Hi,
there's been quite some effort to get Windows XP running on Apple's new Intel Macs. And not all of it was by Apple.
Interesting is that one guy opened his source code of an EFI compatibility handler. Maybe it is a good inspiration for LinuxBIOS?
http://daemons.net/~clay/index.php/2006/03/15/dual-booting-windows-xp-and-ma... http://daemons.net/~clay/OSXP/
Stefan