diff options
Diffstat (limited to 'packages/busybox/switchbox-1.00/linuxrc')
| -rw-r--r-- | packages/busybox/switchbox-1.00/linuxrc | 53 |
1 files changed, 32 insertions, 21 deletions
diff --git a/packages/busybox/switchbox-1.00/linuxrc b/packages/busybox/switchbox-1.00/linuxrc index 18a4440351..355a05b568 100644 --- a/packages/busybox/switchbox-1.00/linuxrc +++ b/packages/busybox/switchbox-1.00/linuxrc @@ -1,18 +1,15 @@ #!/bin/sh mounted= -runboot= prefroot= +runboot= /bin/mount -t proc proc /proc -/bin/echo "0x0100" > /proc/sys/kernel/real-root-dev sysconflen=`/bin/dd if=/dev/mtd1 bs=4 count=1 2>/dev/null | /usr/bin/hexdump -n 6 -e '"%02d"'` ipaddr=`/bin/dd if=/dev/mtd1 bs=1 count=$sysconflen skip=4 2>/dev/null | grep ip_addr | sed -e s/ip_addr=//` netmask=`/bin/dd if=/dev/mtd1 bs=1 count=$sysconflen skip=4 2>/dev/null | grep netmask | sed -e s/netmask=//` gateway=`/bin/dd if=/dev/mtd1 bs=1 count=$sysconflen skip=4 2>/dev/null | grep gateway | sed -e s/gateway=//` -nfsrootloc=`/bin/dd if=/dev/mtd1 bs=1 count=$sysconflen skip=4 2>/dev/null | grep nfsroot | sed -e s/nfsroot=// | cut -d, -f 1` -nfsrootopts=`/bin/dd if=/dev/mtd1 bs=1 count=$sysconflen skip=4 2>/dev/null | grep nfsroot | sed -e s/nfsroot=// | cut -d, -f 2- | sed -e s/\"//g` device=/dev/`/bin/sed -n -e 's/^\(mtd[0-9]*\): .* "FIS directory"/\1/p' /proc/mtd` length=`/bin/dd if=$device bs=2 skip=2048 2>/dev/null | /usr/bin/hexdump -n 4 -e '4/1 "%02X"' $device` @@ -22,6 +19,10 @@ if [ -z "$mounted" ] && /bin/mount -rt jffs2 /dev/mtdblock4 /mnt/jffs2 ; then /bin/echo "Preferred root device is /dev/ram0 (recovery)" mounted= prefroot= + elif [ -f /mnt/jffs2/.ramdisk ] ; then + /bin/echo "Preferred root device is /dev/ram1 (maintenence)" + mounted=/mnt/newroot + prefroot=maintenence elif [ -f /mnt/jffs2/.sda1root ] ; then /bin/echo "Preferred root device is /dev/sda1 (disk 1)" mounted=/mnt/newroot @@ -38,10 +39,10 @@ if [ -z "$mounted" ] && /bin/mount -rt jffs2 /dev/mtdblock4 /mnt/jffs2 ; then /bin/echo "Preferred root device is /dev/sdb2 (disk 2)" mounted=/mnt/newroot prefroot=sdb2 - elif [ -f /mnt/jffs2/.ramdisk ] ; then - /bin/echo "Preferred root device is /dev/ram1 (maintenence)" + elif [ -f /mnt/jffs2/.altroot ] ; then + /bin/echo "Preferred root device is a user defined blockdevice" mounted=/mnt/newroot - prefroot=maintenence + prefroot=altroot elif [ -f /mnt/jffs2/.nfsroot ] ; then /bin/echo "Preferred root device is through NFS" mounted=/mnt/newroot @@ -76,7 +77,7 @@ if [ -n "$prefroot" ] ; then /bin/dd if=/dev/zero of=/dev/ram1 bs=1k count=12k 2>/dev/null /bin/mkdir /lib /bin/ln -s /mnt/jffs2/lib/* /lib - /bin/mkdir /usr/bin + /bin/mkdir -p /usr/bin /bin/ln -s /mnt/jffs2/usr/bin/mke2fs /usr/bin /bin/ln -s /mnt/jffs2/usr/bin/find /usr/bin /bin/ln -s /mnt/jffs2/usr/bin/cpio /usr/bin @@ -107,12 +108,26 @@ if [ -n "$prefroot" ] ; then fi - if [ $prefroot = "nfsroot" ] ; then + if [ $prefroot = "altroot" ] ; then + # The altrootloc and altrootopts vars MUST be chosen here. + # ie: $altrootopts="-rt ext3" and $altrootloc=/dev/md0 + # Also modules can be loaded here. + # also if you have a really slow starting disk, you can put a large sleep value here. + . /mnt/jffs2/.altroot + + /bin/mount $altrootopts $altrootloc /mnt/newroot + if [ -L /mnt/newroot/sbin/init -o -x /mnt/newroot/sbin/init -o \ + -L /mnt/newroot/bin/init -o -x /mnt/newroot/bin/init ] ; then + /bin/echo "Root filesystem will be mounted from a user defined rootfs (altroot) ..." + else + /bin/umount /mnt/newroot + /bin/echo "Cant find valid rootfs on user defined rootfs (altroot), using jffs2 ..." + mounted=/mnt/jffs2 + prefroot=jffs2 + fi + fi - /bin/mkdir -p /lib - /bin/ln -s /mnt/jffs2/lib/* /lib - /bin/mkdir -p /sbin - /bin/ln -s /mnt/jffs2/sbin/portmap /sbin + if [ $prefroot = "nfsroot" ] ; then /sbin/insmod ixp400 /sbin/insmod ixp425_eth @@ -120,16 +135,15 @@ if [ -n "$prefroot" ] ; then /sbin/route add default gw $gateway /sbin/ifconfig lo up 127.0.0.1 - /sbin/portmap # The nfsrootloc and nfsrootopts vars can be overridden here. . /mnt/jffs2/.nfsroot - mount -o $nfsrootopts $nfsrootloc /mnt/newroot + /bin/mount $nfsrootopts $nfsrootloc /mnt/newroot if [ -L /mnt/newroot/sbin/init -o -x /mnt/newroot/sbin/init -o \ -L /mnt/newroot/bin/init -o -x /mnt/newroot/bin/init ] ; then - /bin/echo "Root filesystem will be mounted from a NFS root ..." + /bin/echo "Root filesystem will be mounted from an NFS root ..." mounted=/mnt/newroot else /bin/umount /mnt/newroot @@ -154,14 +168,11 @@ fi # Pivot if [ -n "$mounted" ] ; then - if [ $prefroot = "nfsroot" ] ; then - /usr/bin/killall portmap - fi if [ $mounted != "/mnt/jffs2" ] ; then sleep 1 /bin/umount /mnt/jffs2 fi - umount /proc + /bin/umount /proc cd $mounted if [ -x ./linuxrc -o -L ./linuxrc ] ; then runboot=/linuxrc @@ -173,7 +184,7 @@ if [ -n "$mounted" ] ; then runboot=/bin/sh fi /sbin/pivot_root . initrd - exec /usr/sbin/chroot . $runboot < dev/console > dev/console 2>&1 + exec /usr/sbin/chroot . $runboot < /dev/console 1> /dev/console 2> /dev/console fi if [ -z "$mounted" ] ; then |