trunk-47381HEADmaster

1 files changed, 67 insertions, 0 deletions

diff --git a/target/linux/rb532/base-files/sbin/cf2nand b/target/linux/rb532/base-files/sbin/cf2nand
new file mode 100755
index 0000000..0bfc259
--- /dev/null
+++ b/target/linux/rb532/base-files/sbin/cf2nand
@@ -0,0 +1,67 @@
+#!/bin/sh
+. /lib/functions.sh
+
+copy_kernel() {
+	local input="$1"
+	local output="$2"
+	local cmdline="$3"
+	size="$(echo -n "$cmdline" | wc -c)"
+	dd if="$input" bs=3M count=1 > "$output"
+	/sbin/patch-cmdline "$output" "$cmdline"
+}
+
+fstype="$(mount | grep ' / ' | awk '$5 != "rootfs" {print $5}')"
+case "$fstype" in
+	ext2|jffs2) echo "Copying from $fstype to yaffs2";;
+	*) echo "Invalid filesystem."; exit 1;;
+esac
+
+[ -d /tmp/cf2nand ] && {
+	echo "/tmp/cf2nand already exists"
+	exit 1
+}
+
+mkdir /tmp/cf2nand
+mkdir /tmp/cf2nand/rootfs
+mount -t "$fstype" /dev/root /tmp/cf2nand/rootfs || {
+	echo "Mounting rootfs failed."
+	exit 1
+}
+
+boot="$(find_mtd_part 'Routerboard NAND boot')"
+main="$(find_mtd_part 'rootfs')"
+[ -z "$boot" -o -z "$main" ] && {
+	echo "Cannot find NAND Flash partitions"
+	exit 1
+}
+
+echo "Erasing filesystem..."
+mtd erase Boot 2>/dev/null >/dev/null
+mtd erase Main 2>/dev/null >/dev/null
+
+mkdir /tmp/cf2nand/p1
+mkdir /tmp/cf2nand/p2
+mount -t yaffs2 "$boot" /tmp/cf2nand/p1
+mount -t yaffs2 "$main" /tmp/cf2nand/p2
+
+echo "Copying kernel..."
+copy_kernel /dev/cfa1 /tmp/cf2nand/p1/kernel "root=/dev/mtdblock1 rootfstype=yaffs2 " 2>/dev/null >/dev/null
+umount /tmp/cf2nand/p1
+rmdir /tmp/cf2nand/p1
+
+echo "Copying filesystem..."
+( cd /tmp/cf2nand/rootfs; tar c . ) | ( cd /tmp/cf2nand/p2; tar x )
+echo "chmod ugo+x /" > /tmp/cf2nand/p2/etc/uci-defaults/set_root_permission
+sync
+# Use kexec is present
+[ -x /usr/bin/kexec ] && {
+	kexec -l /tmp/cf2nand/p1/kernel --command-line="$(cat /proc/cmdline) root=/dev/mtdblock1 rootfstype=yaffs2"
+	kexec -e
+}
+umount /tmp/cf2nand/p2
+rmdir /tmp/cf2nand/p2
+
+umount /tmp/cf2nand/rootfs
+rmdir /tmp/cf2nand/rootfs
+rmdir /tmp/cf2nand
+