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40 lines
1.0 KiB
Bash
40 lines
1.0 KiB
Bash
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#
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# Copyright (C) 2023 OpenWrt.org
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#
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. /lib/functions.sh
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zyxel_mstc_prepare_fail() {
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echo "failed to check and prepare the environment, rebooting..."
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umount -a
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reboot -f
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}
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zyxel_mstc_upgrade_prepare() {
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local persist_mtd="$(find_mtd_part persist)"
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local firmware_mtd="$(find_mtd_part firmware)"
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if [ -z "$persist_mtd" ] || [ -z "$firmware_mtd" ]; then
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echo 'cannot find mtd partition(s) "persist" or "firmware"'
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zyxel_mstc_prepare_fail
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fi
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local bootnum=$(hexdump -s 4 -n 1 -e '"%x"' ${persist_mtd})
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if [ "$bootnum" != "1" ] && [ "$bootnum" != "2" ]; then
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echo "failed to get bootnum, please check the value at 0x4 in ${persist_mtd}"
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zyxel_mstc_prepare_fail
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fi
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echo "current: bootnum => ${bootnum}"
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[ "$(fw_printenv -n bootmenu_delay)" = "3" ] || fw_setenv bootmenu_delay 3
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if [ "$bootnum" = "2" ]; then
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if ! ( echo -ne "\x01" | dd of=${persist_mtd} count=1 bs=1 seek=4 conv=notrunc 2>/dev/null ); then
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echo "failed to set new boot partition"
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zyxel_mstc_prepare_fail
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fi
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echo "### switch to 1st os-image on next boot ###"
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fi
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}
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