18 lines
586 B
Bash
18 lines
586 B
Bash
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#!/bin/sh
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# Copyright (C) 2014 OpenWrt.org
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nand_takeover() {
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. /lib/upgrade/nand.sh
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mtd=$(find_mtd_index "$CI_UBIPART")
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local file_type="$(identify $2)"
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mtd -l 400 dump /dev/mtd$mtd > /tmp/takeover.hdr
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MAGIC=$(dd if=/tmp/takeover.hdr bs=1 skip=261 count=5 2> /dev/null)
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SIZE=$(printf "%d" 0x$(dd if=/tmp/takeover.hdr bs=4 count=1 2> /dev/null | hexdump -v -n 4 -e '1/1 "%02x"'))
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[ "$MAGIC" = "ustar" ] && {
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mtd -l $((SIZE + 4)) dump /dev/mtd$mtd | dd bs=1 skip=4 of=/tmp/sysupgrade.tar
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nand_do_upgrade_stage2 /tmp/sysupgrade.tar
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}
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}
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boot_hook_add initramfs nand_takeover
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