X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/9f1c46026440e9954a88ee8843362d9cffd8ad87..2b709921c1c4a8d57525880018cbe20cf619ef71:/target/linux/generic-2.6/files/init diff --git a/target/linux/generic-2.6/files/init b/target/linux/generic-2.6/files/init index 8ca48a04c..1fa6a7f1f 100755 --- a/target/linux/generic-2.6/files/init +++ b/target/linux/generic-2.6/files/init @@ -1,3 +1,82 @@ -#!/bin/ash +#!/bin/sh +# Copyright (C) 2006 OpenWrt.org + +export PATH=/bin:/sbin:/usr/bin:/usr/sbin +mount none /proc -t proc mount none /dev -t devfs -exec /bin/busybox init +mount non /dev/pts -t devpts + +# the root mount point can come from the kernel command line +# or it can be overridden in the preinit.arch file +[ -f /etc/preinit.arch ] && . /etc/preinit.arch + +# if we have no root parameter, just go to running from ramfs +[ -z $rootfs ] && { + export NOMOUNT="No Root" + exec /sbin/init +} + +#if we have a failsafe boot selected, dont bother +#trying to find or wait for a root mount point +[ -z "$FAILSAFE" ] || { + exec /bin/busybox init +} + +# Load the modules we have in initramfs, this should +# make the media accessible, but, it may take some time +. /etc/functions.sh +load_modules /etc/modules /etc/modules.d/* + +#wait 10 seconds for the disc to show up +#usb stick typically takes 4 to 6 seconds +#till it's readable +#it's quite possible the disc never shows up +#if we netbooted this kernel +COUNTER=0 +while [ $COUNTER -lt 10 ]; do + sleep 1 + [ -e $rootfs ] && let COUNTER=10; + let COUNTER=COUNTER+1 +done +[ -e $rootfs ] || { + export FAILSAFE="NoDisc" + exec /bin/busybox init +} + +# now we'll try mount it, again with a timeout +# This will fail if the inserted stick is formatted +# in a manner we dont understand +COUNTER=0 +while [ $COUNTER -lt 10 ]; do + sleep 1 + mount $rootfs /mnt + [ $? -eq "0" ] && let COUNTER=100; + let COUNTER=COUNTER+1 +done +[ $? -ne "0" ] && { + export FAILSAFE="MountFail" + exec /bin/busybox init +} + +#It mounted, lets look for a postinit file, again, give it time +#I've seen this take 6 seconds to actually complete +COUNTER=0 +while [ $COUNTER -lt 10 ]; do + sleep 1 + [ -e /mnt/etc/banner ] && let COUNTER=10; + let COUNTER=COUNTER+1 +done +[ -e /mnt/etc/banner ] || { + export FAILSAFE="No Openwrt FS" + exec /bin/busybox init +} + +unset rootfs + +mount -o move /proc /mnt/proc +mount -o move /dev /mnt/dev +mount -o move /dev/pts /mnt/dev/pts +mount -o move /tmp /mnt/tmp +mount -o move /sys /mnt/sys +mount none /tmp -t tmpfs +exec switch_root -c /dev/console /mnt /sbin/init