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#!/bin/sh
# NOTE: Ported to altboot by CoreDump <oe@hentges.net>
# Based on the original turnup helper script.
#
# All parts by Matthias 'CoreDump' Hentges are hereby placed
# under the terms of the GPL
#
# boot from the hard disk partition "$1" (which
# must be given) using options from the rest of
# the command line.
#
M_TITLE="Boot USB Storage"
test "$USB_HOST_AVAILABLE" = "yes" || exit 0
run_module() {
x=x
}
case "$1" in
title) echo "$M_TITLE" ; exit 0 ;;
run) run_module "$2";;
esac
nslu2_feeback heartbeat
bootdev_data="$*"
bootdev_mode="`echo "$bootdev_data" | awk '{print $1}'`"
bootdev_name="`echo "$bootdev_data" | awk '{print $2}'`"
bootdev_uuid="`echo "$bootdev_data" | awk '{print $3}'`"
# Use the standard init path (see /etc/init.d/rcS)
export PATH=/sbin:/bin:/usr/sbin:/usr/bin
#
# Load the helper functions
. /etc/default/functions
. /etc/default/modulefunctions
#
leds boot system
#
if test -n "$1"
then
device="$bootdev_name"
UUID="$bootdev_uuid"
shift
# proc is needed for UUID mount and module load
mount -t proc proc /proc
# load USB & SCSI storage modules (/proc required!)
echo "boot: loading modules required for disk boot"
loaddiskmods
# waiting for disk (FIXME)
sleep=6
test "$sleep" -gt 0 && sleep "$sleep"
#
# 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 "$UUID" &&
mount "$@" -U "$UUID" /mnt ||
mount "$@" "$device" /mnt
then
# checkmount checks for sh, chroot, init
# and /mnt (i.e. /mnt/mnt in this case)
if checkmount /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
fi
fi
# fallback - use the flash boot
nslu2_feeback failure
exec /boot/flash
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