# Makefile for building a NetBSD diskless boot image

IDENT		= DISKLESS
KBUILD		= $(IDENT)
KERNEL		= $(KBUILD)/netbsd

RAMDISKSIZE	= 32768

default: netbsd.kernel

# Build the kernel (if necessary)

$(KERNEL): kernel.config
	config -b $(KBUILD) -s /usr/src/sys kernel.config
	cd $(KBUILD) ; make depend ; make

# Build the RAM disk image

memdisk:
	dd if=/dev/zero of=memdisk bs=512 count=$(RAMDISKSIZE)
	sudo vnconfig -c vnd0 memdisk
	sudo disklabel -R -r vnd0 disklabel.proto
	sudo newfs vnd0a
	mkdir -p memdisk.d
	sudo mount /dev/vnd0a `pwd`/memdisk.d
	sudo ./populate.sh SRC=`pwd` DST=memdisk.d
	df -h `pwd`/memdisk.d
	sudo umount `pwd`/memdisk.d
	sudo vnconfig -u vnd0

# Merge the RAM disk image into the kernel to make a boot image.

netbsd.kernel: $(KERNEL) memdisk
	cp $(KERNEL) netbsd
	mdsetimage -v netbsd memdisk
	gzip netbsd
	mv netbsd.gz netbsd.kernel

# Install to /tftpboot

install: netbsd.kernel
	scp netbsd.kernel $(TFTPSERVER)/tftpboot
	scp /usr/mdec/pxeboot_ia32.bin $(TFTPSERVER)/tftpboot/netbsd.pxeboot

# Clean out working files

clean:
	-sudo umount `pwd`/memdisk.d
	-sudo vnconfig -u vnd0
	-rm memdisk
	-rm -rf memdisk.d
	-rm netbsd
	-rm netbsd.kernel

reallyclean: clean
	-rm -rf $(KBUILD)

distclean: reallyclean