bitmap boot btrfs cat chain cmp configfile cpio echo efi_gop \
efi_uga elf ext2 fat gfxmenu gfxterm gzio help iso9660 jpeg linux \
loopback lvm minicmd multiboot normal part_gpt part_msdos png \
- probe raid reiserfs search search_fs_file search_fs_uuid \
+ probe raid regexp reiserfs search search_fs_file search_fs_uuid \
search_label squash4 terminal test video videoinfo xfs
if ! [ -r "${target}/${GRUB_EFI_IMAGE}" ] ; then