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livecd-rootfs/live-build/ubuntu-cpc/hooks/033-disk-image-uefi.binary

149 lines
4.2 KiB

#!/bin/bash -eux
case $ARCH in
amd64|arm64)
;;
*)
echo "We don't create EFI images for $ARCH."
exit 0
;;
esac
. config/functions
apt-get -qqy install dosfstools gdisk
create_partitions() {
disk_image="$1"
sgdisk "${disk_image}" --zap-all
case $ARCH in
arm64)
sgdisk "${disk_image}" \
--new=15:0:204800 \
--typecode=15:ef00 \
--new=1:
;;
amd64)
sgdisk "${disk_image}" \
--new=14::+4M \
--new=15::+106M \
--new=1::
sgdisk "${disk_image}" \
-t 14:ef02 \
-t 15:ef00
;;
esac
sgdisk "${disk_image}" \
--print
}
create_and_mount_uefi_partition() {
uefi_dev="/dev/mapper${loop_device///dev/}p15"
mountpoint="$1"
mkfs.vfat -F 32 -n UEFI "${uefi_dev}"
mkdir -p "${mountpoint}"/boot/efi
mount "${uefi_dev}" "$mountpoint"/boot/efi
cat << EOF >> "mountpoint/etc/fstab"
LABEL=UEFI /boot/efi vfat defaults 0 0
EOF
}
install_grub() {
mkdir mountpoint
mount_partition "${rootfs_dev_mapper}" mountpoint
create_and_mount_uefi_partition mountpoint
echo "(hd0) ${loop_device}" > mountpoint/tmp/device.map
mkdir -p mountpoint/etc/default/grub.d
efi_boot_dir="/boot/efi/EFI/BOOT"
chroot mountpoint mkdir -p "${efi_boot_dir}"
chroot mountpoint apt-get -y update
# The modules below only make sense on non-Secure Boot UEFI systems.
# Otherwise, with Secure Boot enabled GRUB will refuse to load them.
# Any modules already in debian/build-efi-images do not need to be listed.
# Furthermore, other modules such as terminal, video_* and efi_* are all
# already available.
case $ARCH in
arm64)
chroot mountpoint apt-get -qqy install --no-install-recommends grub-efi-arm64 grub-efi-arm64-bin
grub_modules="serial"
efi_target=arm64-efi
;;
amd64)
chroot mountpoint apt-get install -qqy grub-efi-amd64-signed grub-efi-amd64 shim-signed
grub_modules="multiboot serial usb usb_keyboard"
efi_target=x86_64-efi
;;
esac
cat << EOF >> mountpoint/etc/default/grub.d/50-cloudimg-settings.cfg
${CLOUD_IMG_STR}
# For Cloud Image compatability
GRUB_PRELOAD_MODULES="${GRUB_PRELOAD_MODULES:-$grub_modules}"
EOF
chroot mountpoint grub-install "${loop_device}" \
--boot-directory=/boot \
--efi-directory=/boot/efi \
--target=${efi_target} \
--removable \
--uefi-secure-boot \
--no-nvram \
--modules="${grub_modules}"
if [ -f mountpoint/boot/efi/EFI/BOOT/grub.cfg ]; then
sed -i "s| root| root hd0,gpt1|" mountpoint/boot/efi/EFI/BOOT/grub.cfg
sed -i "1i${CLOUD_IMG_STR}" mountpoint/boot/efi/EFI/BOOT/grub.cfg
# For some reason the grub disk is looking for /boot/grub/grub.cfg on
# part 15....
chroot mountpoint mkdir -p /boot/efi/boot/grub
chroot mountpoint cp /boot/efi/EFI/BOOT/grub.cfg /boot/efi/boot/grub
fi
if [ "$ARCH" = "amd64" ]; then
# Install the BIOS/GPT bits. Since GPT boots from the ESP partition,
# it means that we just run this simple command and we're done
chroot mountpoint grub-install --target=i386-pc "${loop_device}"
fi
chroot mountpoint dpkg-divert --local --rename /etc/grub.d/30_os-prober
chroot mountpoint update-grub
replace_grub_root_with_label mountpoint
chroot mountpoint dpkg-divert --remove --local --rename /etc/grub.d/30_os-prober
chroot mountpoint apt-get -y clean
rm mountpoint/tmp/device.map
sync
umount mountpoint/boot/efi
sleep 5
udevadm settle
mount
umount_partition mountpoint
rmdir mountpoint
}
disk_image=binary/boot/disk-uefi.ext4
create_empty_disk_image "${disk_image}"
create_partitions "${disk_image}"
mount_image "${disk_image}" 1
# Copy the chroot in to the disk
make_ext4_partition "${rootfs_dev_mapper}"
mkdir mountpoint
mount "${rootfs_dev_mapper}" mountpoint
cp -a chroot/* mountpoint/
umount mountpoint
rmdir mountpoint
install_grub
clean_loops
trap - EXIT