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disk-image-uefi.binary: shift down boot number to 13

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Support some systems which don't handle partition numbers
higher than 15. (LP: #2072929)
Partition 16 was added for /boot to enable cloud FDE (commit a8b2a9b01)
This commit is contained in:
Simon Poirier 2024-07-17 10:31:59 -04:00
parent 1a6895d2ba
commit 61f1b20a5a
2 changed files with 12 additions and 9 deletions
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7
live-build/functions
View File

@ -237,10 +237,13 @@ mount_disk_image() {
mount_image ${disk_image} "${rootpart}"
mount_partition "${rootfs_dev_mapper}" $mountpoint
local boot_dev="${loop_device}p16"
local boot_dev="${loop_device}p13"
if flock -x ${loop_device} \
[ -b ${boot_dev} -a -e $mountpoint/boot ]; then
flock -x ${loop_device} mount "${boot_dev}" $mountpoint/boot
# Only mount if assumed boot_dev is XBOOTLDR type
if sgdisk -i13 "${loop_device}" | grep -i BC13C2FF-59E6-4262-A352-B275FD6F7172 ; then
flock -x ${loop_device} mount "${boot_dev}" $mountpoint/boot
fi
fi
# Having one partition mounted should avoid udev-triggered partition

14
live-build/ubuntu-cpc/hooks.d/base/disk-image-uefi.binary
View File

@ -37,28 +37,28 @@ create_partitions() {
case $ARCH in
arm64|armhf)
sgdisk "${disk_image}" \
--new=13::1G \
--typecode=13:ea00 \
--new=15:0:204800 \
--typecode=15:ef00 \
--new=16::1G \
--typecode=16:ea00 \
--new=1:
;;
riscv64)
sgdisk "${disk_image}" \
--set-alignment=2 \
--new=13::1G \
--typecode=13:ea00 \
--new=15::+106M \
--typecode=15:ef00 \
--new=16::1G \
--typecode=16:ea00 \
--new=1:: \
--attributes=1:set:2
;;
amd64)
sgdisk "${disk_image}" \
--new=13::1G \
--typecode=13:ea00 \
--new=14::+4M \
--new=15::+106M \
--new=16::1G \
--typecode=16:ea00 \
--new=1::
sgdisk "${disk_image}" \
-t 14:ef02 \
@ -71,7 +71,7 @@ create_partitions() {
create_and_mount_boot_partitions() {
uefi_dev="${loop_device}p15"
boot_dev="${loop_device}p16"
boot_dev="${loop_device}p13"
mountpoint="$1"
mkfs.vfat -F 32 -n UEFI "${uefi_dev}"