1#!/bin/sh
  2#
  3# This file is subject to the terms and conditions of the GNU General Public
  4# License.  See the file "COPYING" in the main directory of this archive
  5# for more details.
  6#
  7# Copyright (C) 2017 by Changbin Du <changbin.du@intel.com>
  8#
  9# Adapted from code in arch/x86/boot/Makefile by H. Peter Anvin and others
 10#
 11# "make fdimage/fdimage144/fdimage288/isoimage" script for x86 architecture
 12#
 13# Arguments:
 14#   $1 - fdimage format
 15#   $2 - target image file
 16#   $3 - kernel bzImage file
 17#   $4 - mtool configuration file
 18#   $5 - kernel cmdline
 19#   $6 - inird image file
 20#
 21
 22# Use "make V=1" to debug this script
 23case "${KBUILD_VERBOSE}" in
 24*1*)
 25        set -x
 26        ;;
 27esac
 28
 29verify () {
 30	if [ ! -f "$1" ]; then
 31		echo ""                                                   1>&2
 32		echo " *** Missing file: $1"                              1>&2
 33		echo ""                                                   1>&2
 34		exit 1
 35	fi
 36}
 37
 38
 39export MTOOLSRC=$4
 40FIMAGE=$2
 41FBZIMAGE=$3
 42KCMDLINE=$5
 43FDINITRD=$6
 44
 45# Make sure the files actually exist
 46verify "$FBZIMAGE"
 47
 48genbzdisk() {
 49	verify "$MTOOLSRC"
 50	mformat a:
 51	syslinux $FIMAGE
 52	echo "$KCMDLINE" | mcopy - a:syslinux.cfg
 53	if [ -f "$FDINITRD" ] ; then
 54		mcopy "$FDINITRD" a:initrd.img
 55	fi
 56	mcopy $FBZIMAGE a:linux
 57}
 58
 59genfdimage144() {
 60	verify "$MTOOLSRC"
 61	dd if=/dev/zero of=$FIMAGE bs=1024 count=1440 2> /dev/null
 62	mformat v:
 63	syslinux $FIMAGE
 64	echo "$KCMDLINE" | mcopy - v:syslinux.cfg
 65	if [ -f "$FDINITRD" ] ; then
 66		mcopy "$FDINITRD" v:initrd.img
 67	fi
 68	mcopy $FBZIMAGE v:linux
 69}
 70
 71genfdimage288() {
 72	verify "$MTOOLSRC"
 73	dd if=/dev/zero of=$FIMAGE bs=1024 count=2880 2> /dev/null
 74	mformat w:
 75	syslinux $FIMAGE
 76	echo "$KCMDLINE" | mcopy - W:syslinux.cfg
 77	if [ -f "$FDINITRD" ] ; then
 78		mcopy "$FDINITRD" w:initrd.img
 79	fi
 80	mcopy $FBZIMAGE w:linux
 81}
 82
 83geniso() {
 84	tmp_dir=`dirname $FIMAGE`/isoimage
 85	rm -rf $tmp_dir
 86	mkdir $tmp_dir
 87	for i in lib lib64 share ; do
 88		for j in syslinux ISOLINUX ; do
 89			if [ -f /usr/$i/$j/isolinux.bin ] ; then
 90				isolinux=/usr/$i/$j/isolinux.bin
 91			fi
 92		done
 93		for j in syslinux syslinux/modules/bios ; do
 94			if [ -f /usr/$i/$j/ldlinux.c32 ]; then
 95				ldlinux=/usr/$i/$j/ldlinux.c32
 96			fi
 97		done
 98		if [ -n "$isolinux" -a -n "$ldlinux" ] ; then
 99			break
100		fi
101	done
102	if [ -z "$isolinux" ] ; then
103		echo 'Need an isolinux.bin file, please install syslinux/isolinux.'
104		exit 1
105	fi
106	if [ -z "$ldlinux" ] ; then
107		echo 'Need an ldlinux.c32 file, please install syslinux/isolinux.'
108		exit 1
109	fi
110	cp $isolinux $tmp_dir
111	cp $ldlinux $tmp_dir
112	cp $FBZIMAGE $tmp_dir/linux
113	echo "$KCMDLINE" > $tmp_dir/isolinux.cfg
114	if [ -f "$FDINITRD" ] ; then
115		cp "$FDINITRD" $tmp_dir/initrd.img
116	fi
117	genisoimage -J -r -input-charset=utf-8 -quiet -o $FIMAGE \
118		-b isolinux.bin -c boot.cat -no-emul-boot -boot-load-size 4 \
119		-boot-info-table $tmp_dir
120	isohybrid $FIMAGE 2>/dev/null || true
121	rm -rf $tmp_dir
122}
123
124case $1 in
125	bzdisk)     genbzdisk;;
126	fdimage144) genfdimage144;;
127	fdimage288) genfdimage288;;
128	isoimage)   geniso;;
129	*)          echo 'Unknown image format'; exit 1;
130esac