#!/bin/busybox ash
#Framework, welches ein komplettes Linux System aus den Sourcen erstellt
#dieses Framework wird im CVS Repository
#:pserver:cvs.tramp-bbs.de:/opt/cvs zur Verfügung gestellt
#
#Lage dieser Datei im Archiv: $Source$
#
#(c) 2003 Harald Kueller, Germany
#This program is free software; you can redistribute it and/or
#modify ist under the terms of the GNU General Public License
#as published by the Free Software Foundation; either version
#2 of the License, or (at your option) any later version.
#
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#See the GNU General Public License for more details.
#
#You should have received a copy of the GNU General Public License
#along with this program; if not write to the Free Software Foundation,
#Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#Beschreibung:linuxrc initrd script
#Starup Script fuer initrd betrieb von einer CDROM
#
#Aufrufparameter:
#
#Letzte Änderung von: $Author: kueller $
#Datum der letzten Änderung: $Date: 2008-03-31 14:59:18 +0200 (Mo, 31 Mär 2008) $
#Version der Datei: $Revision: 4152 $
#
#$Log$
#Revision 1.6  2007/04/30 21:29:26  kueller
#Probleme mit neuer Version von udev korrigiert
#
#Revision 1.5  2007/04/12 22:04:52  segler
#S0 added at getty starts for enabling serial console for monitorless installation
#
#Revision 1.4  2006/07/07 21:29:50  kueller
#Anpassung von devicenamen an udev. abschaltung von devfs
#
#Revision 1.3  2006/07/06 18:47:16  kueller
#Boot vorgang verbessert. startup wird mittels /etc/init.d/rc scripten
#gemacht. Ausserdem werden Gettys auf console 1-6 gestartet. Start
#ist von normalem boot fast nicht mehr zu unterscheiden, auch wenn ich
#den init immer noch nicht zum laufen bekommen hab.
#
#Revision 1.2  2006/01/13 16:57:04  kueller
#Vorbereitung fuer Viitor_Setup. Bugfix beim vgchange kommando.
#
#Revision 1.1.1.1  2006/01/12 13:20:21  kueller
#New added for cdrom bootup
#
#

cd /bin
./busybox ln -s busybox ln
cd /bin
./busybox echo "Generating links in /bin for busybox"
for i in [ [[ addgroup adduser ar ash awk basename bunzip2 \
	bzcat cat chgrp chmod chown chvt clear cp cpio cut date dc \
	dd deallocvt delgroup deluser df diff dirname dmesg du echo \
	ed egrep env expr false fgrep find free fuser getopt grep \
	gunzip gzip head hostname id insmod ip ipaddr iplink iproute \
	iptunnel kill killall last less logger login ls md5sum mesg \
	mkdir mknod mktemp more mount mountpoint mt mv netstat newlink \
	nslookup passwd patch pidof ping printf ps pwd realpath renice \
	reset rm rmdir sed sh sleep sort stat strings stty su sync tail \
	tar tee telnet test tftp top touch traceroute true tty umount \
	uname uncompress uniq unzip uptime vi wc wget which who whoami \
	xargs yes zcat; do
	ln -s busybox $i 
done
cd - 2>&1 >/dev/null

cd /sbin
echo "Generating linknames in /sbin for busybox"
for i in chroot fbset fdisk getty halt hdparm hwclock ifconfig \
	init insmod losetup lsmod mkswap modprobe nameif pivot_root \
	poweroff reboot rmmod route runlevel sulogin swapoff swapon \
	switch_root sysctl udevstart; do
	ln -s /bin/busybox $i
done
cd - 2>&1 >/dev/null

runlevel=S
prevlevel=N
umask 022
export runlevel prevlevel

trap ":" INT QUIT TSTP

for i in /proc /sys /mnt; do
	if [ ! -d $i ]; then
		mkdir $i
	fi
done

for i in /etc/init.d/rcS.d/S??*; do
	[ ! -f "$i" ] && continue;
		$i start
done

mount -t proc none /proc
echo "0" >/proc/sys/kernel/printk
mount -t sysfs none /sys
if [ -d /proc/bus/usb ]; then
	mount -t usbfs none /proc/bus/usb
fi
cd /lib/modules/*
for i in `find . -name "*.ko"`; do
	MODNAME=`basename $i`
	MODNAME=`echo $MODNAME|sed -e "s/\.ko$//"`
	echo "Trying to load $MODNAME"
	modprobe -q -s $MODNAME 2>&1 >/dev/null
done
mount -t tmpfs none /dev
udevstart
echo "7" >/proc/sys/kernel/printk
for i in `cat /proc/cmdline`; do
        DEVNAME=$DEVNAME`echo $i|awk -F "=" '{ if ($1 == "root" ) print $2 }'`
done
MAJOR=`echo $DEVNAME|cut -d"0" -f 1`
MINOR=`echo $DEVNAME|cut -d"0" -f 2`
for i in /sys/block/[hs]d?; do
  if [ -d $i ]; then
    for j in $i/`basename $i`?; do
        if [ -d $j ] && [ "`cat $j/dev`" == "$MAJOR:$MINOR" ]; then
                ROOTDEV=`basename $j`
        fi
    done
  fi
done
if [ ${ROOTDEV} ]; then
	mount /dev/$ROOTDEV /mnt
	exec /sbin/switch_root /mnt /sbin/init
else
	exec /bin/ash
fi