#	$NetBSD: Makefile,v 1.22 2000/07/03 02:17:56 sommerfeld Exp $

TOP=		${.CURDIR}/..
MINIROOT=	${.CURDIR}/../../miniroot

.include "${TOP}/Makefile.inc"

.include <bsd.own.mk>	# So we use /etc/mk.conf.
.include <bsd.kernobj.mk>

KERN?=		${KERNOBJDIR}/INSTALL/netbsd

MOUNT_POINT?=	/mnt
VND?=		vnd0
VND_DEV=	/dev/${VND}a
VND_RDEV=	/dev/r${VND}a
VND_CDEV=	/dev/${VND}c
VND_CRDEV=	/dev/r${VND}c
FD?=		fd0
FD_RDEV=	/dev/r${FD}a
IMAGE?=		boot.fs
MDEC=		${DESTDIR}/usr/mdec

LISTS=		${.CURDIR}/list
RAMDISK!=	cd ${TOP}/ramdisk/; \
		printf "xxx: .MAKE\n\t@echo \$${.OBJDIR}/ramdisk.fs\n" |\
		${MAKE} -s -f-

DISKTYPE=	instfs

# Some reasonable values for the -i parameter to newfs are:
#
#   6144	1147k, 189 inodes free
#  16384	1159k,  93 inodes free
# 204800	1167k,  29 inodes free
INO_BYTES=	204800

BLOCKSIZE=512
FSTSIZE=32
FSSIZE!=if test -f ${RAMDISK}; then BLOCKSIZE=${BLOCKSIZE} du -s ${RAMDISK} | awk '{ print $$1 }'; else echo 32; fi
FSSIZE!= expr ${FSTSIZE} \* \( \( ${FSSIZE} + ${FSTSIZE} - 1 \) / ${FSTSIZE} \)
FSNC!=expr ${FSSIZE} / ${FSTSIZE}

CLEANFILES+=	netbsd.ram.gz netbsd.tmp disktab.tmp

all:	netbsd.ram.gz disktab.tmp
	dd if=/dev/zero of=${IMAGE} bs=${BLOCKSIZE} count=${FSSIZE}
	vnconfig -t ${DISKTYPE} -v -c ${VND_CDEV} ${IMAGE}
	disklabel -f disktab.tmp -rw ${VND_CDEV} ${DISKTYPE}
	disklabel -W ${VND_CDEV}
	newfs -B be -m 0 -o space -i ${INO_BYTES} -c 80 ${VND_RDEV}
	mount ${VND_DEV} ${MOUNT_POINT}
	TOPDIR=${TOP} CURDIR=${MINIROOT} OBJDIR=${.OBJDIR} \
	    KERNOBJDIR=${KERNOBJDIR} \
	    TARGDIR=${MOUNT_POINT} sh ${MINIROOT}/runlist.sh ${LISTS}
	@echo ""
	@df -i ${MOUNT_POINT}
	@echo ""
	@echo "installing new bootblocks"
	-rm -f ${MOUNT_POINT}/boot
	${MDEC}/binstall -m ${MDEC} -v -b boot.700000 ffs ${MOUNT_POINT}
	umount ${MOUNT_POINT}
	vnconfig -u ${VND_CDEV}

unconfig:
	-umount -f ${MOUNT_POINT}
	-vnconfig -u ${VND_DEV}

disktab.tmp:	netbsd.ram.gz 
	@echo "instfs:ty=floppy:se#512:nt#2:rm#300:ns#16:nc#${FSNC}:pa#${FSSIZE}:oa#0:ba#4096:fa#512:ta=4.2BSD:pc#${FSSIZE}:oc#0:" > ${.TARGET}

netbsd.ram: ${KERN} ${RAMDISK}
	cp ${KERN} netbsd.tmp
	mdsetimage -v netbsd.tmp ${RAMDISK}
	mv netbsd.tmp ${.TARGET}

netbsd.ram.gz: ${KERN} ${RAMDISK}
	cp ${KERN} netbsd.tmp
	mdsetimage -v netbsd.tmp ${RAMDISK}
	gzip -9 netbsd.tmp
	mv netbsd.tmp.gz ${.TARGET}

clean cleandir distclean:
	/bin/rm -f *.core ${IMAGE} ${CLEANFILES}

depend install:

real-floppy:
	dd if=${IMAGE} of=${FD_RDEV} bs=32k

.ifndef RELEASEDIR
release:
	@echo setenv RELEASEDIR first
	@false
.else
release: $(IMAGE)
	gzip -c -9 < $(.OBJDIR)/boot.fs \
		> $(RELEASEDIR)/installation/bootfs/boot.fs.gz
	cp -p netbsd.ram.gz $(RELEASEDIR)/installation/bootfs/netbsd.ram.gz

.endif	# RELEASEDIR check

.include <bsd.obj.mk>