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

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

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

.PHONY:	all clean initrd apps grub_image install install_img depend copy_image bochs bochsq

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

apps:
	make -C apps

grub_image:
	dd if=/dev/zero of=$(GRUB_IMAGE) bs=1024 seek=1440 count=0
	-mkdir $(FLOPPY_MOUNT)
	mke2fs -F $(GRUB_IMAGE)
	$(MOUNT) -t ext2 -o loop $(GRUB_IMAGE) $(FLOPPY_MOUNT)
	-mkdir -p $(FLOPPY_MOUNT)/boot/grub
	-cp /boot/grub/stage1 /boot/grub/stage2 /boot/grub/e2fs_stage1_5 $(FLOPPY_MOUNT)/boot/grub
	$(UMOUNT) $(FLOPPY_MOUNT)
	-rmdir $(FLOPPY_MOUNT)
	echo "(fd0) $(GRUB_IMAGE)" > grub_image_device.map.tmp
	echo "root (fd0)" > grub_commands.tmp
	echo "setup (fd0)" >> grub_commands.tmp
	echo "quit" >> grub_commands.tmp
	grub --device-map grub_image_device.map.tmp < grub_commands.tmp
	rm grub_commands.tmp
	rm grub_image_device.map.tmp

copy_image:
	cp $(GRUB_IMAGE) $(FLOPPY_IMAGE)

install:	FDEV=$(FLOPPY)
install_img:	FDEV=$(FLOPPY_IMAGE)
install_img:	MOUNT_FLAGS=-o loop
install_img: copy_image
install install_img:
	-mkdir $(FLOPPY_MOUNT)
	$(MOUNT) -t ext2 $(MOUNT_FLAGS) $(FDEV) $(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)
	cp -Pr $(INITRD_DIR)/* $(INITRD_MOUNT)
	$(UMOUNT) $(INITRD_MOUNT)
	rm -rf $(INITRD_MOUNT)
	gzip -c $(INITRD) > $(INITRD).gz

depend:
	make -C kernel depend

bochs:
	bochs

bochsq:
	echo 'c' | bochs -q

wordcount:
	find . -regex '\(.*\.[ch]\)\|\(.*\.asm\)\|\(.*\.inc\)\|\(.*\.cpp\)' | xargs cat | wc