55 lines
1.5 KiB
Bash
55 lines
1.5 KiB
Bash
. /lib/functions.sh
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asrock_bootconfig_mangle() {
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local mtdnum="$(find_mtd_index 0:bootconfig)"
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if [ -z "$mtdnum" ]; then
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echo "cannot find bootconfig mtd partition"
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return 1
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fi
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dd if=/dev/mtd$mtdnum of=/tmp/mtd$mtdnum bs=1k
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local partition_byte="$(dd if=/tmp/mtd$mtdnum bs=1 skip=52 count=1)"
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local upgrade_byte="$(dd if=/tmp/mtd$mtdnum bs=1 skip=4 count=1)"
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if [ $1 = "bootcheck" ]; then
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if [ ! -s $upgrade_byte ]; then
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dd if=/dev/mtd$mtdnum of=/tmp/mtd$mtdnum bs=1k
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printf '\x00' | dd of=/tmp/mtd$mtdnum conv=notrunc bs=1 seek=4
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printf '\x00' | dd of=/tmp/mtd$mtdnum conv=notrunc bs=1 seek=56
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else
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return 1
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fi
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elif [ $1 = "sysupgrade" ]; then
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printf '\x01' | dd of=/tmp/mtd$mtdnum conv=notrunc bs=1 seek=4
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printf '\x01' | dd of=/tmp/mtd$mtdnum conv=notrunc bs=1 seek=56
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fi
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if [ -s $partition_byte ]; then
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printf '\x01' | dd of=/tmp/mtd$mtdnum conv=notrunc bs=1 seek=52
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else
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printf '\x00' | dd of=/tmp/mtd$mtdnum conv=notrunc bs=1 seek=52
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fi
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mtd write /tmp/mtd$mtdnum /dev/mtd$mtdnum
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return 0
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}
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asrock_upgrade_prepare() {
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local ubidev="$( nand_find_ubi ubi )"
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#Set upgrade flag. If something goes wrong, router will boot with
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#factory firmware.
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asrock_bootconfig_mangle 'sysupgrade'
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if [ $? -ne 0 ]; then
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echo "cannot find bootconfig mtd partition"
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exit 1
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fi
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# Just delete these partitions if present and use
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# OpenWrt's standard names for those.
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ubirmvol /dev/$ubidev -N ubi_rootfs &> /dev/null || true
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ubirmvol /dev/$ubidev -N ubi_rootfs_data &> /dev/null || true
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}
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