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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)
# This file will teach you how to implement your own scripts while using existing altboot
# code.
# /sbin/init.altboot searches /etc/altboot-menu for scripts. It will only list scripts which
# return a title when run with the "title" parameter.
# Script which do not return a title will never be shown in the boot menu!
#
M_TITLE="altboot sample"
# We can use that to deactivate certain scripts:
exit 0
# The "title" parameter is implemented at the end of this script so it will never be reached
# and the script will simply be ignored by altboot.
# This function is activated by init.altboot by calling this script with the "run" option
run_module() {
# altboot.func contains re-useable code. If you intend to use check_target (see below)
# you must keep this line. If not, delete it.
test -e /etc/altboot.func && . /etc/altboot.func || die "ERROR: /etc/altboot.func not found. Check your installation!"
# The only thing you'll have to do is get your medium mounted.
# The following lines mount a SD card on 2.4-series kernels on a Zaurus
##########################################
# Mount /proc, etc
init_rootfs
echo -n "Loading SD kernel module..."
/sbin/insmod $SD_KERNEL_MODULE >/dev/null 2>&1 && echo ok || die "insmod failed"
echo -n "Mounting $SD_MOUNTPOINT..." >/dev/tty0
/bin/mount -t auto -o defaults,noatime $SD_DEVICE $SD_MOUNTPOINT >/dev/null 2>&1 && echo ok >/dev/tty0|| die "/bin/mount -t auto -o defaults,noatime $SD_DEVICE $SD_MOUNTPOINT failed"
echo ""
# Give the SD and CF mounting some time. This is a must for SD
sleep 2
##########################################
# Once the medium (be it a CF or SD card, or even a NFS drive) is mounted somewhere,
# just call check_target with the mountpoint as parameter.
# check_target searches the medium for a real filesystem and loop-images and
# asks the user what to boot if there are several choices.
# Check for a real fs and loop-images.
check_target "$SD_MOUNTPOINT" >/dev/tty0
# Done :)
}
case "$1" in
title) echo "$M_TITLE";;
run) run_module "$2";;
esac
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