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. /lib/functions.sh
update_bootconfig() {
local offset=$1
local index="$2"
local cfgpart=$(find_mmc_part "0:BOOTCONFIG")
local cur_index
if [ -z "$cfgpart" ]; then
echo "failed to get the partition: \"0:BOOTCONFIG\""
return 1
fi
cur_index=$(dd if=${cfgpart} bs=1 count=1 skip=$offset 2> /dev/null | hexdump -e '"%d"')
if [ ${index} != ${cur_index} ]; then
echo "updating \"0:BOOTCONFIG\""
echo -en "\x0${index}" | \
dd of=${cfgpart} bs=1 count=1 seek=$offset conv=notrunc 2>/dev/null
fi
# also update 0:BOOTCONFIG1 if exists
cfgpart=$(find_mmc_part "0:BOOTCONFIG1")
[ -z "$cfgpart" ] && return
cur_index=$(dd if=${cfgpart} bs=1 count=1 skip=$offset 2> /dev/null | hexdump -e '"%d"')
if [ ${index} != ${cur_index} ]; then
echo "updating \"0:BOOTCONFIG1\""
echo -en "\x0${index}" | \
dd of=${cfgpart} bs=1 count=1 seek=$offset conv=notrunc 2>/dev/null
fi
}
### Note ###
# After the commit bad1835f27ec31dbc30060b03cc714212275168a in fstools,
# p17 (label: "rootfs_data") is mounted as a rootfs_data on boot instead
# of the loop device labeled as "rootfs_data" in p15 (label: "rootfs").
#
# cmdline flag is added to avoid mount "rootfs_data" partition by the
# commit 964d1e3af0e111bad6d393f8a3be702e334c2398 in fstools, but
# NCP-HG100 doesn't use it because it has a large (abount 1.6GB)
# "rootfs_data" partition and the advantage is larger than the
# disadvantages, such as overwriting the stock data in "rootfs_data"
# partition.
sony_emmc_do_upgrade() {
local tar_file=$1
local kernel_dev
local rootfs_dev
local board_dir
kernel_dev=$(find_mmc_part "0:HLOS")
rootfs_dev=$(find_mmc_part "rootfs")
rootfs_data_dev=$(find_mmc_part "rootfs_data")
if [ -z "$kernel_dev" ] || [ -z "$rootfs_dev" ] || [ -z "$rootfs_data_dev" ]; then
echo "The partition name for kernel or rootfs or rootfs_data is not specified or failed to get the mmc device."
exit 1
fi
# use first partitions of kernel/rootfs for NCP-HG100
# - offset 88 (0x58): 0:HLOS (kernel)
# - offset 108 (0x6c): rootfs
update_bootconfig 88 0 || exit 1
update_bootconfig 108 0 || exit 1
board_dir=$(tar tf $tar_file | grep -m 1 '^sysupgrade-.*/$')
board_dir=${board_dir%/}
echo "Flashing kernel to ${kernel_dev}"
tar xf $tar_file ${board_dir}/kernel -O > $kernel_dev
echo "Flashing rootfs to ${rootfs_dev}"
tar xf $tar_file ${board_dir}/root -O > $rootfs_dev
echo "Format new rootfs_data"
mkfs.ext4 -F -L rootfs_data $rootfs_data_dev
if [ -e "$UPGRADE_BACKUP" ]; then
mkdir /tmp/new_root
mount -t ext4 $rootfs_data_dev /tmp/new_root && {
echo "Saving configurations to rootfs_data"
cp "$UPGRADE_BACKUP" "/tmp/new_root/$BACKUP_FILE"
umount /tmp/new_root
}
fi
echo "sysupgrade successful"
sync
umount -a
reboot -f
}
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