diff options
Diffstat (limited to 'target/linux/s3c24xx/base-files/etc/preinit')
-rwxr-xr-x | target/linux/s3c24xx/base-files/etc/preinit | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/base-files/etc/preinit b/target/linux/s3c24xx/base-files/etc/preinit new file mode 100755 index 000000000..abba12dd6 --- /dev/null +++ b/target/linux/s3c24xx/base-files/etc/preinit @@ -0,0 +1,78 @@ +#!/bin/sh +# Copyright (C) 2006 OpenWrt.org +export PATH=/bin:/sbin:/usr/bin:/usr/sbin +. /etc/diag.sh +rm -rf /dev/console +mknod /dev/console c 204 64 +exec </dev/console > /dev/console 2>&0 + +failsafe_ip() { + ifconfig $ifname 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255 up +} + +failsafe() { + [ -n "$ifname" ] && grep "$ifname" /proc/net/dev >/dev/null && { + failsafe_ip + netmsg 192.168.1.255 "Entering Failsafe!" + telnetd -l /bin/login <> /dev/null 2>&1 + } + lock /tmp/.failsafe + ash --login +} + +mount none /proc -t proc +mount none /sys -t sysfs + +size=$(awk '/MemTotal:/ {l=5242880;mt=($2*1024);print((s=mt/2)<l)?mt-l:s}' /proc/meminfo) +mount none /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777 + +if grep devfs /proc/filesystems > /dev/null; then + mount none /dev -t devfs + M0=/dev/pty/m0 + M1=/dev/pty/m1 + HOTPLUG=/sbin/hotplug-call +else + mount -t tmpfs tmpfs /dev -o size=512K +# mknod /dev/console c 5 1 + mkdir /dev/shm + /sbin/hotplug2 --coldplug --set-rules-file /etc/hotplug2-init.rules + /sbin/hotplug2 --no-coldplug --persistent --set-rules-file /etc/hotplug2-init.rules & + M0=/dev/ptmx + M1=/dev/ptmx + HOTPLUG= +fi + +mkdir -p /dev/pts /dev/shm +mount none /dev/pts -t devpts + +# the shell really doesn't like having stdin/out closed +# that's why we use /dev/pty/m0 and m1 as replacement +# for /dev/console if there's no serial console available +dd if=/dev/console of=/dev/null bs=1 count=0 >/dev/null 2>/dev/null && { + M0=/dev/console + M1=/dev/console +} + +exec <$M0 >$M1 2>&0 + +echo "- preinit -" +trap 'FAILSAFE=true' USR1 +[ -e /etc/preinit.arch ] && . /etc/preinit.arch +set_state preinit +echo "$HOTPLUG" > /proc/sys/kernel/hotplug +eval ${FAILSAFE:+failsafe} +lock -w /tmp/.failsafe +#mount_root +[ -f /sysupgrade.tgz ] && { + echo "- config restore -" + cd / + mv sysupgrade.tgz /tmp + tar xzf /tmp/sysupgrade.tgz + rm -f /tmp/sysupgrade.tgz + sync +} + +echo "- init -" + +killall hotplug2 +exec /sbin/init |