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Provide a file "initrd.magic" via the EFI_SIMPLE_FILE_SYSTEM_PROTOCOL that contains the initrd file as constructed for BIOS bzImage kernels (including injected files with CPIO headers constructed by iPXE). This allows BIOS and UEFI kernels to obtain the exact same initramfs image, by adding "initrd=initrd.magic" to the kernel command line. For example: #!ipxe kernel boot/vmlinuz initrd=initrd.magic initrd boot/initrd.img initrd boot/modules/e1000.ko /lib/modules/e1000.ko initrd boot/modules/af_packet.ko /lib/modules/af_packet.ko boot Do not include the "initrd.magic" file within the root directory listing, since doing so would break software such as wimboot that processes all files within the root directory. Signed-off-by: Michael Brown <mcb30@ipxe.org>
iPXE README File Quick start guide: cd src make For any more detailed instructions, see http://ipxe.org