openwrt root filesystem

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@211 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/default/target_skeleton/etc/preinit

@@ -0,0 +1,20 @@
+#!/bin/sh
+# executed from squashfs before init to 
+# transfer root to the jffs2 partition
+mount none /proc -t proc
+insmod diag
+echo 0x01 > /proc/sys/diag
+sleep 1
+if [ $(cat /proc/sys/reset) = 1 ] ; then
+  export FAILSAFE=true
+  while :; do { echo $(((X=(X+1)%8)%2)) > /proc/sys/diag; sleep $((X==0)); } done &
+else
+  mtd unlock mtd4
+  mount -t jffs2 /dev/mtdblock/4 /jffs
+  pivot_root /jffs /jffs/rom
+  mount none /dev -t devfs
+  mount none /proc -t proc
+  umount rom/proc rom/dev
+fi
+mount none /tmp -t ramfs
+exec /sbin/init