x86/build: Factor out fdimage/isoimage generation commands to standalone script

$(obj)/mtools.conf: $(src)/mtools.conf.in

	sed -e 's|@OBJ@|$(obj)|g' < $< > $@

quiet_cmd_genimage = GENIMAGE $3

cmd_genimage = sh $(srctree)/$(src)/genimage.sh $2 $3 $(obj)/bzImage \

			$(obj)/mtools.conf '$(image_cmdline)' $(FDINITRD)

# This requires write access to /dev/fd0

bzdisk: $(obj)/bzImage $(obj)/mtools.conf

	MTOOLSRC=$(obj)/mtools.conf mformat a:			; sync

	syslinux /dev/fd0					; sync

	echo '$(image_cmdline)' | \

		MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg

	if [ -f '$(FDINITRD)' ] ; then \

		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \

	fi

	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux	; sync

	$(call cmd,genimage,bzdisk,/dev/fd0)

# These require being root or having syslinux 2.02 or higher installed

fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf

	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440

	MTOOLSRC=$(obj)/mtools.conf mformat v:			; sync

	syslinux $(obj)/fdimage					; sync

	echo '$(image_cmdline)' | \

		MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg

	if [ -f '$(FDINITRD)' ] ; then \

		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \

	fi

	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux	; sync

	$(call cmd,genimage,fdimage144,$(obj)/fdimage)

	@$(kecho) 'Kernel: $(obj)/fdimage is ready'

fdimage288: $(obj)/bzImage $(obj)/mtools.conf

	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880

	MTOOLSRC=$(obj)/mtools.conf mformat w:			; sync

	syslinux $(obj)/fdimage					; sync

	echo '$(image_cmdline)' | \

		MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg

	if [ -f '$(FDINITRD)' ] ; then \

		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \

	fi

	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux	; sync

	$(call cmd,genimage,fdimage288,$(obj)/fdimage)

	@$(kecho) 'Kernel: $(obj)/fdimage is ready'

isoimage: $(obj)/bzImage

	-rm -rf $(obj)/isoimage

	mkdir $(obj)/isoimage

	for i in lib lib64 share end ; do \

		if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \

			cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \

			if [ -f /usr/$$i/syslinux/ldlinux.c32 ]; then \

				cp /usr/$$i/syslinux/ldlinux.c32 $(obj)/isoimage ; \

			fi ; \

			break ; \

		fi ; \

		if [ $$i = end ] ; then exit 1 ; fi ; \

	done

	cp $(obj)/bzImage $(obj)/isoimage/linux

	echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg

	if [ -f '$(FDINITRD)' ] ; then \

		cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \

	fi

	mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \

		-no-emul-boot -boot-load-size 4 -boot-info-table \

		$(obj)/isoimage

	isohybrid $(obj)/image.iso 2>/dev/null || true

	rm -rf $(obj)/isoimage

	$(call cmd,genimage,isoimage,$(obj)/image.iso)

	@$(kecho) 'Kernel: $(obj)/image.iso is ready'

bzlilo: $(obj)/bzImage

	if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi

#!/bin/sh

#

# This file is subject to the terms and conditions of the GNU General Public

# License.  See the file "COPYING" in the main directory of this archive

# for more details.

#

# Copyright (C) 2017 by Changbin Du <changbin.du@intel.com>

#

# Adapted from code in arch/x86/boot/Makefile by H. Peter Anvin and others

#

# "make fdimage/fdimage144/fdimage288/isoimage" script for x86 architecture

#

# Arguments:

#   $1 - fdimage format

#   $2 - target image file

#   $3 - kernel bzImage file

#   $4 - mtool configuration file

#   $5 - kernel cmdline

#   $6 - inird image file

#

verify () {

	if [ ! -f "$1" ]; then

		echo ""                                                   1>&2

		echo " *** Missing file: $1"                              1>&2

		echo ""                                                   1>&2

		exit 1

	fi

}

export MTOOLSRC=$4

FIMAGE=$2

FBZIMAGE=$3

KCMDLINE=$5

FDINITRD=$6

# Make sure the files actually exist

verify "$FBZIMAGE"

verify "$MTOOLSRC"

genbzdisk() {

	mformat a:

	syslinux $FIMAGE

	echo "$KCMDLINE" | mcopy - a:syslinux.cfg

	if [ -f "$FDINITRD" ] ; then

		mcopy "$FDINITRD" a:initrd.img

	fi

	mcopy $FBZIMAGE a:linux

}

genfdimage144() {

	dd if=/dev/zero of=$FIMAGE bs=1024 count=1440

	mformat v:

	syslinux $FIMAGE

	echo "$KCMDLINE" | mcopy - v:syslinux.cfg

	if [ -f "$FDINITRD" ] ; then

		mcopy "$FDINITRD" v:initrd.img

	fi

	mcopy $FBZIMAGE v:linux

}

genfdimage288() {

	dd if=/dev/zero of=$FIMAGE bs=1024 count=2880

	mformat w:

	syslinux $FIMAGE

	echo "$KCMDLINE" | mcopy - W:syslinux.cfg

	if [ -f "$FDINITRD" ] ; then

		mcopy "$FDINITRD" w:initrd.img

	fi

	mcopy $FBZIMAGE w:linux

}

genisoimage() {

	tmp_dir=`dirname $FIMAGE`/isoimage

	rm -rf $tmp_dir

	mkdir $tmp_dir

	for i in lib lib64 share end ; do

		if [ -f /usr/$i/syslinux/isolinux.bin ] ; then

			cp /usr/$i/syslinux/isolinux.bin $tmp_dir

			if [ -f /usr/$i/syslinux/ldlinux.c32 ]; then

				cp /usr/$i/syslinux/ldlinux.c32 $tmp_dir

			fi

			break

		fi

		if [ $i = end ] ; then exit 1 ; fi ;

	done

	cp $FBZIMAGE $tmp_dir/linux

	echo "$KCMDLINE" > $tmp_dir/isolinux.cfg

	if [ -f "$FDINITRD" ] ; then

		cp "$FDINITRD" $tmp_dir/initrd.img

	fi

	mkisofs -J -r -o $FIMAGE -b isolinux.bin -c boot.cat \

		-no-emul-boot -boot-load-size 4 -boot-info-table $tmp_dir

	isohybrid $FIMAGE 2>/dev/null || true

	rm -rf $tmp_dir

}

case $1 in

	bzdisk)     genbzdisk;;

	fdimage144) genfdimage144;;

	fdimage288) genfdimage288;;

	isoimage)   genisoimage;;

	*)          echo 'Unknown image format'; exit 1;

esac