Etherboot
From coreboot
Download Etherboot --- Please use 5.2.6
Config changes needed for LinuxBIOS support
src/arch/i386/Config
commen out CFLAGS+= -DPCBIOS
enable CFLAGS+= -DCONFIG_X86_64
CFLAGS+= -DLINUXBIOS -DCONFIG_TSC_CURRTICKS -DCONSOLE_SERIAL -DCOMCONSOLE=0x3f8 -DCOMPRESERVE -DCONFIG_PCI_DIRECT -DELF_IMAGE
enable VGA CFLAGS+= -DCONSOLE_DIRECT_VGA