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|
#!/bin/sh
echo "Loading, please wait..."
mkdir /sys
mkdir /proc
mkdir /tmp
mkdir -p /var/lock
mount -t sysfs sysfs /sys
mount -t proc proc /proc
mount -t ramfs none /dev
touch /dev/.initramfs-tools
mknod /dev/console c 5 1
mknod /dev/null c 1 3
. /conf/initramfs.conf
. /scripts/functions
# Parse command line options
export break=
export init=/sbin/init
export quiet=n
export readonly=y
export ROOT=
export resume=${RESUME}
export rootmnt=/root
export debug=
for x in $(cat /proc/cmdline); do
case $x in
init=*)
init=${x#init=}
;;
root=*)
ROOT=${x#root=}
;;
nfsroot=*)
NFSROOT=${x#nfsroot=}
;;
boot=*)
BOOT=${x#boot=}
;;
resume=*)
resume=${x#resume=}
;;
quiet)
quiet=y
;;
ro)
readonly=y
;;
rw)
readonly=n
;;
debug)
debug=y
exec >/tmp/initramfs.debug 2>&1
set -x
;;
break)
break=yes
;;
breaknow)
panic "Spawning shell within the initramfs"
;;
esac
done
# Don't do log messages here to avoid confusing usplash
run_scripts /scripts/init-top
. /scripts/${BOOT}
depmod -a
# Populate /dev tree
log_begin_msg "Initializing /dev"
udevd_timeout=30
echo > /proc/sys/kernel/hotplug
mkdir /dev/.udev /dev/.udev/db/ /dev/.udev/queue/
udevd --daemon
udevsynthesize
while [ -d /dev/.udev/queue/ ]; do
sleep 1
udevd_timeout=$(($udevd_timeout - 1))
if [ $udevd_timeout -eq 0 ]; then
break
fi
done
log_end_msg
log_begin_msg "Loading modules"
load_modules
log_end_msg
parse_numeric ${ROOT}
if [ x${break} = xyes ]; then
panic "Spawning shell within the initramfs"
fi
log_begin_msg "Running /scripts/init-premount"
run_scripts /scripts/init-premount
log_end_msg
log_begin_msg "Mounting root file system"
mountroot
log_end_msg
[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/init-bottom"
run_scripts /scripts/init-bottom
[ "$quiet" != "y" ] && log_end_msg
# Move our /dev to the real filesystem. Do the setup that udev otherwise
# would.
killall udevd
mkdir -p /dev/.static/dev
chmod 700 /dev/.static/
mount -n -o bind ${rootmnt}/dev /dev/.static/dev
mount -n -o move /dev ${rootmnt}/dev
umount /sys
umount /proc
if [ ! -x ${rootmnt}${init} ]; then
panic "Target filesystem doesn't have ${init}"
fi
# Chain to real filesystem
exec run-init ${rootmnt} ${init} "$@" </root/dev/console >/root/dev/console
|
