--- /dev/null
+#!/bin/bash
+# Filename: ${GRML_FAI_CONFIG}/config/scripts/GRMLBASE/45-efi
+# Purpose: create grub image for use in ISO for EFI boot
+# Authors: grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
+# Bug-Reports: see http://grml.org/bugs/
+# License: This file is licensed under the GPL v2 or any later version.
+################################################################################
+
+set -e
+
+
+BOOTX64="${target}/boot/bootx64.efi"
+EFI_IMG="${target}/boot/efi.img"
+TMP_CONFIG="${target}/tmp/grub_config_efi"
+
+rm -f "$BOOTX64" "$EFI_IMG" "$TMP_CONFIG"
+
+cat > "$TMP_CONFIG" <<EOF
+search --set -f /conf/bootid.txt root
+if [ -e /boot/grub/grub.cfg ]; then
+ set prefix=(\$root)/boot/grub
+ configfile /boot/grub/grub.cfg
+else
+ echo "E: Could not find root device!"
+fi
+EOF
+
+BOOTX64="${BOOTX64##${target}}"
+EFI_IMG="${EFI_IMG##${target}}"
+TMP_CONFIG="${TMP_CONFIG##${target}}"
+
+ARCHS=(i386-pc)
+
+declare -A ADDITIONAL_MODULES
+ADDITIONAL_MODULES[i386-pc]="biosdisk"
+
+if ifclass AMD64 ; then
+ if [ -r "${target}"/usr/lib/grub/x86_64-efi/moddep.lst ] ; then
+ ARCHS+=(x86_64-efi)
+ ADDITIONAL_MODULES[x86_64-efi]="efi_gop efi_uga"
+ else
+ echo "/usr/lib/grub/x86_64-efi/moddep.lst could not be found, skipping."
+ echo "NOTE: grub-efi-amd64-bin not installed?"
+ fi
+fi
+
+BOOTX64="${BOOTX64##${target}}"
+EFI_IMG="${EFI_IMG##${target}}"
+TMP_CONFIG="${TMP_CONFIG##${target}}"
+
+for arch in ${ARCHS[@]} ; do
+$ROOTCMD grub-mkimage -O $arch -o /boot/$arch.img --prefix=/boot/grub/ --config="$TMP_CONFIG" \
+ bitmap boot btrfs cat chain cmp configfile cpio echo elf ext2 \
+ fat gfxmenu gfxterm gzio help iso9660 jpeg linux loopback lvm \
+ memdisk minicmd multiboot normal part_gpt part_msdos play png \
+ probe raid regexp reiserfs search search_fs_file search_fs_uuid \
+ search_label squash4 terminal test video videoinfo xfs ${ADDITIONAL_MODULES[$arch]}
+done
+
+if [ -f "${target}/boot/i386-pc.img" ] ; then
+ mv "${target}/boot/i386-pc.img" "${target}/boot/grub/grub.img"
+fi
+
+if [ -f "${target}/boot/x86_64-efi.img" ] ; then
+ mv "${target}/boot/x86_64-efi.img" "${target}/${BOOTX64}"
+fi
+if ! [ -r "${target}/${BOOTX64}" ] ; then
+ echo "Can not access grub efi image." >&2
+ exit 1
+fi
+
+SIZE=$(du -sk "${target}/${BOOTX64}" | awk -F" " '{print $1'})
+SIZE=$(((($SIZE / 32 )+2)*32))
+
+dd if=/dev/zero of="${target}/${EFI_IMG}" bs=1k count="$SIZE" 2>/dev/null
+$ROOTCMD mkfs.vfat -n GRML "$EFI_IMG" >/dev/null
+$ROOTCMD mmd -i "$EFI_IMG" ::EFI
+$ROOTCMD mmd -i "$EFI_IMG" ::EFI/BOOT
+$ROOTCMD mcopy -i "$EFI_IMG" "$BOOTX64" ::EFI/BOOT/bootx64.efi >/dev/null
+
+rm -f "${target}/${TMP_CONFIG}"
+
+echo "Generated EFI image $BOOTX64"
+echo "Generated bootx64 image $EFI_IMG"
+
+## END OF FILE #################################################################
+# vim:ft=sh expandtab ai tw=80 tabstop=4 shiftwidth=2