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xNBA/contrib/initrd/linuxrc
2005-05-17 16:44:57 +00:00

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#!/bin/sh
# $Id$
PATH=/sbin:/bin
echo Busybox /linuxrc starting
echo Mounting /proc filesystem
mount -t proc none /proc
echo=echo
if grep '\bquiet\b' /proc/cmdline > /dev/null; then
echo=true
quiet=1
fi
$echo Creating root device
mknod /dev/root b 1 0 2>/dev/null
chmod 700 /dev/root
echo 0x100 > /proc/sys/kernel/real-root-dev
$echo Inserting modules
if [ -z "$quiet" ]; then
/bin/insert-modules
else
/bin/insert-modules >/dev/null
fi
$echo Bringing up loopback interface
ifconfig lo 127.0.0.1 up
route add -net 127.0.0.0 netmask 255.0.0.0 lo
# Hack required for prism2 cards
# It is not yet possible to use iwconfig to configure these cards,
# so we need wlanctl.
if ifconfig wlan0 down 2> /dev/null; then
$echo Setting up wireless link
wlanctl wlan0 lnxreq_ifstate ifstate=enable
wlanctl wlan0 lnxreq_autojoin ssid= authtype=opensystem
fi
$echo Obtaining IP address via DHCP
$echo Trying to obtain IP address via wired link [eth0]
if udhcpc -i eth0 -f -n -q -s /bin/udhcpc-post; then
$echo Successfully obtained IP address via wired link [eth0]
else
$echo Failed to obtain IP address via wired link [eth0]
$echo Trying to obtain IP address via wireless link [wlan0]
udhcpc -i wlan0 -f -n -q -s /bin/udhcpc-post
fi
if [ -d /sysroot/initrd ]; then
$echo Unmounting /proc prior to pivot_root
umount /proc
$echo Pivoting root to /sysroot
pivot_root /sysroot /sysroot/initrd
cd /
$echo Remounting devfs at correct place
mount -t devfs none /dev
$echo Releasing locks on old devfs
exec 0</dev/null
exec 1>/dev/console
exec 2>/dev/console
$echo Unmounting old devfs
umount /initrd/dev
else
# Failed to mount root: report error and hang
echo FATAL ERROR: Failed to mount root filesystem
echo Press Alt-SysRq-B or hit the reset switch to reboot
while : ; do sleep 6000 ; done
fi