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|
#!/bin/ash
# sc2010 Init
#############################################################################
# PreBoot init main part
# device files get their own filesystem
devdir="/dev"
mkdir -p /tmp /sys /proc
mount -n -t tmpfs -o 'size=25%,mode=0755' mdev ${devdir}
mount -t tmpfs tmpfs /tmp
mkdir -p /dev/pts
mount -t devpts devpts /dev/pts
mount -t proc proc /proc
mount -t sysfs sysfs /sys
echo /sbin/mdev > /proc/sys/kernel/hotplug
cat > /etc/mdev.conf << "EOF"
sda* 0:6 0660
sdb* 0:6 0660
sg* 0:6 0660
hda* 0:6 0660
hdb* 0:6 0660
EOF
mdev -s
export PATH=/bin:/sbin:/usr/bin/:/usr/sbin
export DEBUGLEVEL=0
read KCMDLINE < /proc/cmdline
export KCMDLINE
# read the system wide initramfs-setup and then the kernel commandline
for opts in ${KCMDLINE} ; do
case ${opts} in
# single token for debugging ...
debug)
DEBUGLEVEL=1
;;
# ... or a specified debug level
debug=*)
DEBUGLEVEL=${opts#debug=}
syslogd -C2048
klogd
;;
esac
done
# create basic device files an directories in dev
for i in "/dev/mem c 1 1" "/dev/null c 1 3" "/dev/zero c 1 5" \
"/dev/urandom c 1 9" "/dev/kmsg c 1 11" "/dev/tty0 c 4 0" \
"/dev/tty1 c 4 1" "/dev/tty2 c 4 2" "/dev/tty3 c 4 3" \
"/dev/tty4 c 4 4" "/dev/tty5 c 4 5" "/dev/tty6 c 4 6" \
"/dev/tty7 c 4 7" "/dev/tty8 c 4 8" "/dev/tty9 c 4 9" \
"/dev/tty10 c 4 10" "/dev/tty c 5 0" "/dev/console c 5 1" \
"/dev/ptmx c 5 2" "/dev/psaux c 10 1" "/dev/agpgart c 10 175" \
"/dev/fb0 c 29 0" "/dev/bootsplash p" "/dev/xconsole p"; do
[ -e $(echo $i | awk ' {print $1}') ] || mknod $i
done
mkdir -p ${devdir}/pts ${devdir}/shm
loadkmap < /etc/keymaps/de_DE
echo "1" > /dev/mouse0
echo "1" > /dev/tty0
echo "Starting shell, leaving it would continue init."
getty -i -n -l /bin/cat 38400 tty10 &
setlogcons 10
# initramfs-setup configuration (common settings for all clients using a
# certain InitRamFS generated by slxmkramfs/mkdxsinitrd)
[ -f /etc/initramfs-setup ] && . /etc/initramfs-setup 2>/dev/null
# set a default LAN interface, has to be modified for WLAN or on machines
# with more than one ethernet card built in
nwif="eth0"
# mount the important standard directories
[ ! -f /proc/cpuinfo ] && mount -n -t proc proc /proc
[ ! -d /sys/class ] && mount -n -t sysfs sysfs /sys
# set up loopback networking and power up ethernet
ip link set dev lo up
ip addr add 127.0.0.1/8 dev lo
ip link set dev $nwif up || echo "I did not find any usable network adaptor."
echo "/sbin/udhcpc -f -n -q -s /etc/udhcpc.default.script -i $nwif &>/dev/null &" \
>> /bin/run_udhcpc.sh
cat /etc/issue
#ntbdate time.uni-freiburg.de
if [ $DEBUGLEVEL -ge 1 ]; then
echo "DEBUGLEVEL=$DEBUGLEVEL" > /tmp/debuglevel
echo -n "Starting debug shell: "
echo "CTRL + D will start fbgui"
/bin/sh
fi
echo "Start init" > /dev/klog
exec /sbin/init
|
