opensde-nopast/lib/boot/boot.in

# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: lib/boot/boot.in
# Copyright (C) 2008 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---

# by default we will peek the first suitable bootloader found
#
boot_choose_bootloader() { head -n 1; }

# variables
#
bootloader=

# load stuff from the architecture, if anything to load.
[ ! -s "architecture/$arch/boot.in" ] || . "architecture/$arch/boot.in"
# and allow targets to overload these functions and variables
# FIXME: this should honor the target_chain, in reverse order, peeking the first one.
[ ! -s "target/$target/boot.in" ] || . "target/$target/boot.in"


# if the target didn't choose one already, find the suitables and choose one
if [ -z "$bootloader" ]; then
	bootloader="$(
	    ls -1d `sed -n -e 's,^X [^ ]\+ [^ ]\+ \([^ ]\+\) \([^ ]\+\) .* BOOT .*,package/\1/\2/boot/boot.in,p' \
		"config/$config/packages"`  2> /dev/null |
		cut -d/ -f'2,3' | boot_choose_bootloader )"
fi

# validate the module, and source.
#
if [ -z "$bootloader" ]; then
	echo_error "boot: couldn't find any suitable bootloader."
	exit 1
elif [ ! -e "package/$bootloader/boot/boot.in" ]; then
	echo_error "boot: '$bootloader' is not suitable."
else
	echo_status "boot: using $bootloader."
fi

# stub boot_cd_*() functions
#
boot_cd_pre() { echo_warning "No specific boot_cd_pre() available."; }
boot_cd_add() { echo_warning "No specific boot_cd_add() available."; }
boot_cd_post() { echo_warning "No specific boot_cd_post() available."; }

. "package/$bootloader/boot/boot.in"