#	$NetBSD: Makefile.fdset,v 1.3 2002/02/26 22:52:10 lukem Exp $

# TOP is assumed to be defined by Makefile including this one.

BASENAME?=	boot
IMAGE1?=	${BASENAME}1.fs
FSTMP=		ustar.tmp
MDEC=		${DESTDIR}/usr/mdec
BOOTCODE?=	${MDEC}/biosboot.sym
#BOOTCODE=	${MDEC}/biosboot_com0.sym	# Serial output

DISKSIZE?=	2880

CLEANFILES+=	netbsd boot ustar.tmp

realall:	netbsd boot
	${PAX} -wvf ${FSTMP} boot netbsd
	@echo
	@echo Making disk number one
	rm -rf empty
	mkdir -m 755 empty
	${MAKEFS} -s ${DISKSIZE}b ${IMAGE1}.tmp empty
	dd bs=8k seek=1 count=$$((${DISKSIZE} / 16 - 1)) \
	    if=${FSTMP} of=${IMAGE1}.tmp
	@echo "installing new bootblocks"
	${MDEC}/installboot -b 17 -v -f ${BOOTCODE} ${IMAGE1}.tmp
	@ls -l ${FSTMP} | (read mode links uid gid size junk; \
		dksize=$$((${DISKSIZE} * 512 - 8 * 1024)); \
		disks=$$(($$size / $$dksize + 1)); \
		if test $$size -gt $$dksize; then \
			d=2; \
			while test $$d -le $$disks; do \
				echo; \
				echo Making disk number $$d.; \
				IMAGE=${BASENAME}$${d}.fs; \
				echo USTARFS $$d > $${IMAGE}; \
				skip=$$((($$d - 1) * (${DISKSIZE} / 16 - 1))); \
				if test $$d -eq $$disks; then \
					dd bs=8k seek=1 skip=$${skip} \
						conv=sync \
						if=${FSTMP} of=$${IMAGE}; \
				else \
					dd bs=8k seek=1 skip=$${skip} \
					    conv=sync \
					    count=$$((${DISKSIZE} / 16 - 1)) \
					    if=${FSTMP} of=$${IMAGE}; \
				fi; \
				d=$$(($$d + 1)); \
			done; \
		else \
			dd seek=$$(($${size} / 512 + 15)) count=1 \
				if=/dev/zero of=${IMAGE1}; \
		fi; \
		echo; \
                bytes=$$(($$dksize * $$disks - $$size));    \
                echo "There are $$bytes ($$(($$bytes / 1024))K) bytes free\
                        on disk $$disks."; \
	)
	mv -f ${IMAGE1}.tmp ${IMAGE1}

# Let the kernel on the diskette be called "netbsd" although
# it is compressed.  This is because the boot code will search
# for "netbsd" first, and calling it "netbsd" instead of "netbsd.gz"
# we avoid scanning all the diskettes before reading the file.

netbsd: ${KERN}
	rm -f netbsd
	cp ${KERN} netbsd

# This is "cheating", just so that we have the available
# space at the start of the tar file.  Installboot will overwrite
# the start of the bootcode with the tail end of the "real", aligned
# second-stage boot loader when it is run (which is quite a bit shorter
# than the entire ${BOOTCODE} file, even when symbols are removed.
# (the first 15*512 bytes are put into the first 8K filesystem block,
# around the disklabel)

boot: ${BOOTCODE}
	rm -f boot
	cp ${BOOTCODE} boot
	${STRIP} boot

release: check_RELEASEDIR
	-mkdir -p ${RELEASEDIR}/installation/floppy
	cp -p ${BASENAME}?.fs ${RELEASEDIR}/installation/floppy

clean cleandir distclean:
	rm -f *.core ${CLEANFILES} ${BASENAME}?.fs ${IMAGE1}.tmp
	rm -rf empty

.include <bsd.own.mk>
.include <bsd.obj.mk>
.include <bsd.subdir.mk>