# Makefile for HOS
# Josh Holtrop
# Created: 07/09/04

FLOPPY=/dev/fd0
FLOPPY_MOUNT=./mnt_flp
FLOPPY_IMAGE=hos.flp
GRUB_IMAGE=grub.flp
INITRD=hos_initrd
INITRD_MOUNT=./mnt_initrd
INITRD_SIZE=100	#initrd size in kb

# Do not print "Entering directory ..."
MAKEFLAGS += --no-print-directory

all:
	make -C kernel
	make -C rmmod

clean:
	-make -C kernel clean
	-make -C rmmod clean
	-rm -f *~ *.out hos.flp \#* hos_initrd hos_initrd.gz parallel.out


grub:
	-mkdir $(FLOPPY_MOUNT)
	mke2fs $(FLOPPY)
	mount -t ext2 $(FLOPPY) $(FLOPPY_MOUNT)
	grub-install --root-directory=$(FLOPPY_MOUNT) fd0
	umount $(FLOPPY_MOUNT)
	-rmdir $(FLOPPY_MOUNT)

grub_image:
	dd if=$(FLOPPY) of=$(GRUB_IMAGE)

install:
	gzip -c $(INITRD) > $(INITRD).gz
	-mkdir $(FLOPPY_MOUNT)
	mount -t ext2 $(FLOPPY) $(FLOPPY_MOUNT)
	cp kernel/kernel.bin $(FLOPPY_MOUNT)
	cp rmmod/rmmod.bin $(FLOPPY_MOUNT)
	cp menu.lst $(FLOPPY_MOUNT)/boot/grub
	cp $(INITRD).gz $(FLOPPY_MOUNT)/$(INITRD).gz
	umount $(FLOPPY_MOUNT)
	-rmdir $(FLOPPY_MOUNT)

install_img:
	gzip -c $(INITRD) > $(INITRD).gz
	-mkdir $(FLOPPY_MOUNT)
	cp $(GRUB_IMAGE) $(FLOPPY_IMAGE)
	mount -t ext2 -o loop $(FLOPPY_IMAGE) $(FLOPPY_MOUNT)
	cp kernel/kernel.bin $(FLOPPY_MOUNT)
	cp rmmod/rmmod.bin $(FLOPPY_MOUNT)
	cp menu.lst $(FLOPPY_MOUNT)/boot/grub
	cp $(INITRD).gz $(FLOPPY_MOUNT)/$(INITRD).gz
	umount $(FLOPPY_MOUNT)
	-rmdir $(FLOPPY_MOUNT)

initrd:
	dd if=/dev/zero of=$(INITRD) bs=1024 count=$(INITRD_SIZE)
	mke2fs -Fv -m0 -r0 -i1024 $(INITRD)
	-mkdir $(INITRD_MOUNT)
	mount -t ext2 -o loop $(INITRD) $(INITRD_MOUNT)
	touch $(INITRD_MOUNT)/hi_there
	chmod 527 $(INITRD_MOUNT)/hi_there
	chown josh:users $(INITRD_MOUNT)/hi_there
	mkdir $(INITRD_MOUNT)/txt
	cp Makefile $(INITRD_MOUNT)/txt
	umount $(INITRD_MOUNT)
	rm -rf $(INITRD_MOUNT)