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#!/bin/sh
# boot from the hard disk partition "$1" (which
# must be given) using options from the rest of
# the command line.
# Use the standard init path (see /etc/init.d/rcS)
export PATH=/sbin:/bin:/usr/sbin:/usr/bin
# Mount required fileystems if necessary
[ -e /proc/cpuinfo ] || mount -t proc proc /proc
[ -e /sys/class ] || mount -t sysfs sysfs /sys
# Load the helper functions
. /etc/default/functions
. /etc/default/modulefunctions
leds boot system
if test -n "$1"
then
device="$1"
shift
# load USB & SCSI storage modules (/proc required!)
echo "boot: loading modules required for disk boot"
loaddiskmods
# waiting for disk
if test "$sleep" -gt 0
then
echo "boot: waiting $sleep seconds for disk"
sleep "$sleep"
fi
# Attempt to assemble the RAID if necessary
if (echo $device | grep -q "^/dev/md")
then
if test -n "$MDUUID"
then
echo "boot: assembling RAID array (UUID)"
mdadm -Acpartitions --auto=md --uuid="$MDUUID" $device
else
echo "boot: assembling RAID array (config file)"
mdadm -As --auto=md $device
fi
fi
# fire the boot
echo "boot: rootfs: mount $* $device [$UUID]"
# Mount read-write because before exec'ing init
# If a UUID is given (in the environment) this
# is used in preference to the device, but if
# the UUID mount fails a standard device mount
# is attempted.
if test -n "$UUID" &&
mount "$@" UUID="$UUID" /mnt ||
mount "$@" "$device" /mnt
then
# checkmount checks for sh, chroot, init, /dev
# and /mnt (i.e. /mnt/mnt in this case).
# minimaldevnodes checks (and creates if required)
# a few mandatory /dev nodes we may need.
if checkmount /mnt && minimaldevnodes /mnt
then
# pivot to /initrd if available, else /mnt
cd /
if test -d /mnt/initrd
then
swivel mnt initrd
else
swivel mnt mnt
fi
# swivel failed
fi
# Failure: unmount the partition
umount /mnt
# Remount /proc and /sys if necessary
[ -e /proc/cpuinfo ] || mount -t proc proc /proc
[ -e /sys/class ] || mount -t sysfs sysfs /sys
fi
fi
# fallback - use the flash boot
leds beep -f 1000 -r 2
exec /boot/flash
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