+++ /dev/null
-#!/bin/sh
-#
-# Licensed under the GPLv2
-#
-# Copyright 2008, Red Hat, Inc.
-# Jeremy Katz <katzj@redhat.com>
-
-emergency_shell()
-{
- echo ; echo
- echo "Bug in initramfs /init detected. Dropping to a shell. Good luck!"
- echo
- sh -i
-}
-
-getarg() {
- local o line
- for o in $CMDLINE; do
- [ "${o%%=*}" = "$1" ] && { echo $o; return 0; }
- done
- return 1
-}
-
-source_all() {
- local f
- [ "$1" ] && [ -d "/$1" ] || return
- for f in "/$1"/*.sh; do [ -f "$f" ] && . "$f"; done
-}
-
-echo "Starting initrd..."
-export PATH=/sbin:/bin:/usr/sbin:/usr/bin
-export TERM=linux
-CONSOLE=/dev/console
-[ -c $CONSOLE ] && exec >$CONSOLE 2>&1 <$CONSOLE
-trap "emergency_shell" 0
-# mount some important things
-mount -t proc /proc /proc
-mount -t sysfs /sys /sys
-mount -t tmpfs -omode=0755 udev /dev
-read CMDLINE </proc/cmdline;
-
-
-# FIXME: what device nodes does plymouth really _need_ ?
-mknod /dev/ptmx c 5 2
-mknod /dev/console c 5 0
-mknod /dev/fb c 29 0
-mkdir /dev/pts
-mount -t devpts -o gid=5,mode=620 /dev/pts /dev/pts
-mknod /dev/tty0 c 4 0
-mknod /dev/tty1 c 4 1
-mknod /dev/null c 1 3
-
-source_all pre-udev
-
-# start up udev and trigger cold plugs
-udevd --daemon
-udevadm trigger >/dev/null 2>&1
-
-# mount the rootfs
-NEWROOT="/sysroot"
-
-# FIXME: there's got to be a better way ...
-# it'd be nice if we had a udev rule that just did all of the bits for
-# figuring out what the specified root is and linking it /dev/root
-root=$(getarg root); root=${root#root=}
-case $root in
- LABEL=*) root=${root#LABEL=}
- root="$(echo $root |sed 's,/,\\x2f,g')"
- root="/dev/disk/by-label/${root}" ;;
- UUID=*) root="/dev/disk/by-uuid/${root#UUID=}" ;;
- '') echo "Warning: no root specified"
- root="/dev/sda1" ;;
-esac
-
-# should we have a timeout?
-tries=0
-echo "Waiting up to 30 seconds for $root to become available"
-udevadm settle --timeout=30
-source_all pre-mount
-
-echo "Trying to mount rootfs $root"
-if rflags="$(getarg rootflags)"; then
- rflags="${rflags#rootflags=}"
- getarg rw >/dev/null && rflags="${rflags},rw" || rflags="${rflags},ro"
-else
- getarg rw >/dev/null && rflags=rw || rflags=ro
-fi
-[ -e "$root" ] || emergency_shell
-ln -s "$root" /dev/root
-fstype="$(getarg rootfstype)" && fstype="-t ${fstype#rootfstype=}"
-mount $fstype -o $rflags /dev/root $NEWROOT || emergency_shell
-
-INIT=$(getarg init); INIT=${INIT#init=}
-[ "$INIT" ] || {
- for i in /sbin/init /etc/init /init /bin/sh; do
- [ -x "$NEWROOT$i" ] && { INIT="$i"; break; }
- done
- [ "$INIT" ] || {
- echo "Cannot find init! Please check to make sure you passed"
- echo "a valid root filesystem! Dropping to a shell."
- emergency_shell
- }
-}
-
-source_all pre-pivot
-
-kill $(pidof udevd)
-
-echo "Switching to real root filesystem $root"
-exec switch_root "$NEWROOT" "$INIT" $CMDLINE || {
- # davej doesn't like initrd bugs
- echo "Something went very badly wrong in the initrd. Please "
- echo "file a bug against mkinitrd."
- emergency_shell
-}