From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 package/system/procd/files/nand-preinit.sh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 package/system/procd/files/nand-preinit.sh

(limited to 'package/system/procd/files/nand-preinit.sh')

diff --git a/package/system/procd/files/nand-preinit.sh b/package/system/procd/files/nand-preinit.sh
new file mode 100644
index 0000000..cf59624
--- /dev/null
+++ b/package/system/procd/files/nand-preinit.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+# Copyright (C) 2014 OpenWrt.org
+
+nand_takeover() {
+	. /lib/upgrade/nand.sh
+	mtd=$(find_mtd_index "$CI_UBIPART")
+	esize=$(cat /proc/mtd | grep mtd$mtd |cut -d" " -f 3)
+	[ -z "$esize" ] && return 1
+	esize=$(printf "%d" 0x$esize)
+	for a in `seq 0 64`; do
+		mtd -o $((a * esize)) -l 400 dump /dev/mtd$mtd > /tmp/takeover.hdr
+		MAGIC=$(dd if=/tmp/takeover.hdr bs=1 skip=261 count=5 2> /dev/null)
+		SIZE=$(printf "%d" 0x$(dd if=/tmp/takeover.hdr bs=4 count=1 2> /dev/null | hexdump -v -n 4 -e '1/1 "%02x"'))
+		[ "$MAGIC" = "ustar" ] && {
+			mtd -o $((a * esize)) -l $((SIZE + 4)) dump /dev/mtd$mtd | dd bs=1 skip=4 of=/tmp/sysupgrade.tar
+			nand_do_upgrade_stage2 /tmp/sysupgrade.tar
+		}
+	done
+}
+
+boot_hook_add initramfs nand_takeover
-- 
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