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# !/bin/sh
#
# Copyright Matthias Hentges (c) 2005
#
# License: GPL (see http://www.gnu.org/licenses/gpl.txt for a copy of the GPL)
M_TITLE="USB Attached Storage"
test "$USB_HOST_AVAILABLE" = "yes" || exit 0
# This function is activated by init.altboot by calling this script with the "run" option
run_module() {
test -e /etc/altboot.func && . /etc/altboot.func || die "ERROR: /etc/altboot.func not found. Check your installation!"
# Mount /proc, etc
init_rootfs
echo -e "\nStarting USB..."
for module in $USB_STORAGE_MODULES
do
echo -en "\t - $module: "
modprobe "$module" >/dev/null 2>&1 && echo ok || die "Failed to modprobe [$module]"
done
echo ""
scan_devices
usb_show_menu
# echo -n "Mounting $USB_STORAGE_PARTITION..." >/dev/tty0
#
# mkdir -p /media/usb-storage >/dev/null 2>&1
#
# sleep "$USB_STORAGE_WAIT"
#
# /bin/mount -t auto -o defaults,noatime $USB_STORAGE_PARTITION /media/usb-storage >/dev/null 2>&1 && echo ok >/dev/tty0|| die "/bin/mount -t auto -o defaults,noatime $SD_DEVICE $SD_MOUNTPOINT failed"
#
# echo ""
#
# # Check for a real fs and loop-images.
# check_target "/media/usb-storage" >/dev/tty0
}
scan_devices() {
reset_pref "available_devices"
cnt=1
for scsi_disk in `ls -1 /sys/block/ | grep ^sd`
do
scsi_disk_name="`echo "$scsi_disk" | awk '{printf("%s\n",toupper($0))}'`"
test -e /sys/block/$scsi_disk/device/vendor && HDD_VENDOR="`cat /sys/block/$scsi_disk/device/vendor | sed "s/\ $//"`"
test -z "$HDD_VENDOR" && HDD_VENDOR="Unknown Vendor"
test -e /sys/block/$scsi_disk/device/model && HDD_MODEL="`cat /sys/block/$scsi_disk/device/model`"
test -z "$HDD_MODEL" && HDD_MODEL="Unknown Model"
scsi_disk_partition_cnt="`ls -1 /sys/block/$scsi_disk | grep ^$scsi_disk | wc -l | tr -d " "`"
test "$scsi_disk_partition_cnt" -gt 1 && scsi_disk_partition_cnt="$scsi_disk_partition_cnt partitions" || scsi_disk_partition_cnt="$scsi_disk_partition_cnt partition"
set_pref "available_devices" "$cnt" "$scsi_disk_name ( $HDD_VENDOR $HDD_MODEL with $scsi_disk_partition_cnt)"
set_pref "available_devices_short" "$cnt" "$scsi_disk"
set_pref "available_devices_type" "$cnt" "usb"
let cnt=$cnt+1
done
}
usb_show_menu() {
cnt2=0 ; let cnt=$cnt-1
while test "$cnt" != "$cnt2"
do
let cnt2=$cnt2+1
get_pref "available_devices" "$cnt2" dev
echo -e "\t[$cnt2] - $dev"
done
while test -z "$selected_dev"
do
echo -en "\nYour choice: "
read junk
get_pref "available_devices" "$junk" selected_dev
get_pref "available_devices_type" "$junk" part_mode
# debug_echo "show_menu(): selected: [$selected_dev]"
done
if ( echo "$selected_dev" | grep -q "^Flash" )
then
boot_from flash
else
get_pref "available_devices_short" "$junk" selected_dev
# debug_echo "show_menu(): selected_devices_short: [$selected_dev]"
partitions="`ls -1 /sys/block/$selected_dev|grep ^$selected_dev`"
test -z "$partitions" && die "No partitions found on /dev/$selected_dev!"
echo -e "\nPlease select a partition on $selected_dev to boot from:\n"
cnt=1
for partition in $partitions
do
# We assume that partitions with a "size" < 10 are extended partitions
# and should not be listed. TYPE=swap is blacklisted as well.
part_size="`cat /sys/block/$selected_dev/$partition/size`"
part_type="`blkid -s TYPE -o value /dev/$partition`"
if test "$part_size" -gt 10 -a "$part_type" != "swap"
then
let part_size="($part_size/2)/1000"
echo -e "\t[$cnt] $partition (~ ${part_size}Mb, $part_type)"
set_pref "available_partitions" "$cnt" "$partition"
let cnt=$cnt+1
fi
done
while test -z "$selected_partition"
do
echo -en "\nYour choice: "
read junk
get_pref "available_partitions" "$junk" selected_partition
done
part_uuid="`blkid -c /dev/null -s UUID -o value /dev/$selected_partition`"
boot_from "$part_mode" "$selected_partition" "$part_uuid"
fi
}
boot_from() {
debug_echo "boot_from() [$*]"
part_mode="$1"
part_name="$2"
part_uuid="$3"
case "$part_mode" in
usb) umount /tmp/mnt.set-bootdev >/dev/null 2>&1
rm -rf /tmp/mnt.set-bootdev ; mkdir -p /tmp/mnt.set-bootdev
if ! ( mount -U "$part_uuid" /tmp/mnt.set-bootdev )
then
echo "** Note: UUID mount for $part_name failed"
mount /dev/$part_name /tmp/mnt.set-bootdev && echo "** Note: Normal mount for $part_name successful"
fi
if ! test -e /tmp/mnt.set-bootdev/sbin/init.sysvinit
then
copy_rootfs /tmp/mnt.set-bootdev/
else
umount /tmp/mnt.set-bootdev
echo -e "\nSetting /dev/$part_name as boot-partition"
echo "3 $part_name $part_uuid" > /etc/altboot.last
fi
;;
esac
}
copy_rootfs() {
debug_echo "copy_rootfs() [$*]"
}
case "$1" in
title) echo "$M_TITLE";;
run) run_module "$2";;
esac
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