mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 10:39:04 +00:00
1c0e13db43
shellcheck recommends || and && over "-a" and "-o" because the latter are not well defined. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
65 lines
1.9 KiB
Bash
65 lines
1.9 KiB
Bash
#
|
|
# Copyright (C) 2019 OpenWrt.org
|
|
#
|
|
|
|
. /lib/functions.sh
|
|
|
|
iodata_mstc_prepare_fail() {
|
|
echo "failed to check and prepare the environment, rebooting..."
|
|
umount -a
|
|
reboot -f
|
|
}
|
|
|
|
# I-O DATA devices manufactured by MSTC (MitraStar Technology Corp.)
|
|
# have two important flags:
|
|
# - bootnum: switch between two os images
|
|
# use 1st image in OpenWrt
|
|
# - debugflag: enable/disable debug
|
|
# users can interrupt Z-Loader for recovering the device if enabled
|
|
#
|
|
# parameters:
|
|
# - $1: the offset of "debugflag"
|
|
iodata_mstc_upgrade_prepare() {
|
|
local persist_mtd="$(find_mtd_part persist)"
|
|
local factory_mtd="$(find_mtd_part factory)"
|
|
local dflag_offset="$1"
|
|
|
|
if [ -z "$dflag_offset" ]; then
|
|
echo 'no debugflag offset provided'
|
|
iodata_mstc_prepare_fail
|
|
fi
|
|
|
|
if [ -z "$persist_mtd" ] || [ -z "$factory_mtd" ]; then
|
|
echo 'cannot find mtd partition(s), "factory" or "persist"'
|
|
iodata_mstc_prepare_fail
|
|
fi
|
|
|
|
local bootnum=$(hexdump -s 4 -n 1 -e '"%x"' ${persist_mtd})
|
|
local debugflag=$(hexdump -s $((dflag_offset)) -n 1 -e '"%x"' ${factory_mtd})
|
|
|
|
if [ "$bootnum" != "1" ] && [ "$bootnum" != "2" ]; then
|
|
echo "failed to get bootnum, please check the value at 0x4 in ${persist_mtd}"
|
|
iodata_mstc_prepare_fail
|
|
fi
|
|
if [ "$debugflag" != "0" ] && [ "$debugflag" != "1" ]; then
|
|
echo "failed to get debugflag, please check the value at ${dflag_offset} in ${factory_mtd}"
|
|
iodata_mstc_prepare_fail
|
|
fi
|
|
echo "current: bootnum => ${bootnum}, debugflag => ${debugflag}"
|
|
|
|
if [ "$bootnum" = "2" ]; then
|
|
if ! (echo -ne "\x01" | dd bs=1 count=1 seek=4 conv=notrunc of=${persist_mtd} 2>/dev/null); then
|
|
echo "failed to set bootnum"
|
|
iodata_mstc_prepare_fail
|
|
fi
|
|
echo "### switch to 1st os-image on next boot ###"
|
|
fi
|
|
if [ "$debugflag" = "0" ]; then
|
|
if ! (echo -ne "\x01" | dd bs=1 count=1 seek=$((dflag_offset)) conv=notrunc of=${factory_mtd} 2>/dev/null); then
|
|
echo "failed to set debugflag"
|
|
iodata_mstc_prepare_fail
|
|
fi
|
|
echo "### enable debug ###"
|
|
fi
|
|
}
|