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128 lines
2.9 KiB
128 lines
2.9 KiB
#!/bin/sh
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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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#
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# Filename: target/early/initramfs/init.sh
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# Copyright (C) 2007 - 2008 The OpenSDE Project
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#
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# More information can be found in the files COPYING and README.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License. A copy of the
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# GNU General Public License can be found in the file COPYING.
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# --- SDE-COPYRIGHT-NOTE-END ---
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export PATH=/usr/bin:/usr/sbin:/bin:/sbin
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modules=
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root=
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mode=
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init=/sbin/init
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NOCOLOR=
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initargs="$*"
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# read kernel arguments
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[ -e /proc/cmdline ] || mount -n -t proc none /proc
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set -- $( cat /proc/cmdline )
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for x; do
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v="${x#*=}"
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case "$x" in
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root=*) root="$v" ;;
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init=*) init="$v" ;;
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rw|ro) mode="$x" ;;
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modules=*) modules=$( echo "$v" | tr ',' ' ' ) ;;
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nocolor) export NOCOLOR=yes ;;
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esac
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done
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. /etc/rc.d/functions.in
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banner "Starting Early User Space environment"
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title "Mounting /proc and /sys"
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check mount -n -t usbfs none /proc/bus/usb
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check mount -n -t sysfs none /sys
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status
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[ -x /bin/dmesg ] && /bin/dmesg -n 3
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title "Preparing /dev"
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check mount -n -t tmpfs none /dev
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check cp -a /lib/udev/devices/* /dev
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status
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title "Starting udev daemon"
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echo "" > /sys/kernel/uevent_helper
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check udevd --daemon
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status
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if [ -x /sbin/modprobe -a -n "$modules" ]; then
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title "Preloading requested kernel modules"
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for x in $modules; do
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echo -n " $x"
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check modprobe -q $x
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done
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status
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fi
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title "Triggering coldplug"
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check udevtrigger
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check udevsettle
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status
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sleep 2
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[ -n "$root" ] || echo "No root device defined."
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if [ ! -e "$root" -a -s /etc/mdadm.conf ]; then
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# try activating software raids
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title "Activating RAID devices"
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check modprobe md-mod
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check udevsettle
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check mdadm -As --auto=yes
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status
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fi
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if [ ! -e "$root" -a -d /etc/lvm/archive ]; then
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title "Activating LVM devices"
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check modprobe dm_mod
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check udevsettle
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check lvm vgchange -ay
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status
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fi
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if [ -n "$root" ]; then
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udevsettle
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# give it a second chance to appear (delay 2s)
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[ -e "$root" ] || sleep 2;
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if [ -e "$root" ]; then
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/lib/udev/vol_id "$root" > /tmp/$$.vol_id
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. /tmp/$$.vol_id
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rm /tmp/$$.vol_id
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title "Mounting $root (${ID_FS_TYPE:-unknown}) "
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check mount ${ID_FS_TYPE:+-t $ID_FS_TYPE} ${mode:+-o $mode} "$root" /rootfs
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status
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else
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echo "root device ($root) not found on time."
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fi
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fi
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# wait for /sbin/init
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while [ ! -x "/rootfs$init" ]; do
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echo "Please mount root device on /rootfs and exit to continue"
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setsid /bin/sh < /dev/console > /dev/console 2> /dev/console
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done
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title "Cleaning up"
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check killall udevd
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check mount -t none -o move /dev /rootfs/dev
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check mount -t none -o move /sys /rootfs/sys
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check mount -t none -o move /proc /rootfs/proc
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status
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exec switch_root /rootfs "$init" "$initargs"
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