diff options
Diffstat (limited to 'data/stage3.1')
| -rwxr-xr-x | data/stage3.1/init | 70 |
1 files changed, 63 insertions, 7 deletions
diff --git a/data/stage3.1/init b/data/stage3.1/init index 15b6c947..0db7597e 100755 --- a/data/stage3.1/init +++ b/data/stage3.1/init @@ -20,14 +20,66 @@ mount -n -t tmpfs -o 'mode=755' run "/run" [ ! -f /proc/cpuinfo ] && mount -n -t proc proc /proc [ ! -d /sys/class ] && mount -n -t sysfs sysfs /sys -#modprobe -a squashfs aufs 2>/dev/null -insmod /lib/modules/aufs.ko -insmod /lib/modules/squashfs.ko +# read kernel command line for debugging switch +read KCL < /proc/cmdline +export KCL +for opts in ${KCL}; do + case ${opts} in + debug) + DEBUG=1;; + ip=*) + # process IP info + ipinfo=${opts#ip=};; + esac +done + + +modprobe usbhid +modprobe pcnet32 +nwif="eth0" + +# set up loopback networking +[ $DEBUGLEVEL -eq 20 ] && echo "** starting ip config at $(sysup)" +ip link set dev lo up 2>/dev/null +ip addr add 127.0.0.1/8 dev lo 2>/dev/null +ip link set dev $nwif up 2>/dev/null || error "$init_noeth" + +# analyze ip information from the kernel command line and put parts +# of it into several variables +if [ -n "$ipinfo" ] ; then + getip () { + local val="$ipinfo:"; i=$(($1 - 1)); + while [ $i -gt 0 ] ; do + val=${val#*:} ; i=$(($i - 1)); + done; + echo $val|sed "s/:.*//"; } + clientip=$(getip 1) + serverip=$(getip 2) + gateway=$(getip 3) + subnet_mask=$(getip 4) + broadcast_address=$(ipcalc -s -b $clientip $subnet_mask|sed s/.*=//) + [ -z "$broadcast_address" ] && broadcast_address=255.255.255.255 + # we might have an idea of the dns server via preboot + dns_srv=$(getip 5) + [ -n "$dns_srv" ] && echo nameserver $dns_srv >/etc/resolv.conf; + echo -e "# ip configuration written by $0 script:\nclientip=$clientip\n\ +subnet_mask=$subnet_mask\ngateway=$gateway\nserverip=$serverip\n\ +broadcast_address=$broadcast_address" >>/etc/initramfs-setup + # set static ip address + ip addr add $clientip/$(ipcalc -s -p $clientip $subnet_mask|sed s/.*=//) \ + broadcast $broadcast_address dev $nwif 2>/dev/null + ip route add default via $gateway 2>/dev/null +else + noipyet="yes" +fi + +for MOD in aufs squashfs sunrpc lockd fscache auth_rpcgss nfs_acl nfs; do + insmod /lib/modules/${MOD}.ko +done mkdir -p /dev/shm/union /dev/shm/uniontmp /rorootfs mount -n /mnt/openslx.sqfs /rorootfs - mount -n -t tmpfs none /dev/shm/uniontmp mount -n -t aufs -o br:/dev/shm/uniontmp:/rorootfs=ro none /mnt @@ -35,13 +87,17 @@ mkdir -p /mnt/uniontmp mount -n --move /dev/shm/uniontmp /mnt/uniontmp + + +if [ $DEBUG -ge 1 ]; then + echo "Starting debug shell, CTRL + D will start Stage 3.2." + setsid sh -c 'exec sh </dev/tty1 >/dev/tty1 2>&1' +fi + for mnt in proc sys run ; do - #mount -n --move $mnt /mnt/$mnt umount -n $mnt done -#/bin/sh unset BOOT_IMAGE initrd # new style of pivoting (switch_root or run-init) exec /sbin/switch_root -c /dev/console /mnt /usr/lib/systemd/systemd -setsid sh -c 'exec sh </dev/tty1 >/dev/tty1 2>&1' |