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#!/bin/sh
HOME=/root
PATH=/sbin:/bin:/usr/sbin:/usr/bin
PS1="linaro-test [rc=$(echo \$?)]# "
export HOME PS1 PATH
early_setup() {
mkdir -p /proc /sys /tmp /run
mount -t proc proc /proc
mount -t sysfs sysfs /sys
mount -t devtmpfs none /dev
ln -s /run /var/run
chmod 0666 /dev/tty*
chown root:tty /dev/tty*
}
read_args() {
[ -z "$CMDLINE" ] && CMDLINE=`cat /proc/cmdline`
for arg in $CMDLINE; do
optarg=`expr "x$arg" : 'x[^=]*=\(.*\)'`
case $arg in
console=*)
tty=${arg#console=}
tty=${tty#/dev/}
case $tty in
tty[a-zA-Z]* )
port=${tty%%,*}
esac ;;
debug) set -x ;;
esac
done
}
early_setup
read_args
setsid sh </dev/${port} >/dev/${port} 2>&1
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