build: prepare copygrub
	nasm -felf32 src/bootload/boot.asm -o build/boot.o	# entrypoint for grub
	#nasm -felf32 src/kernel/driverdriver.asm -o build/drivdriv.o # driver code for drivers

	gcc -c src/kernel/entry.c -o build/kernel.o -ffreestanding -O2 -Wall -Wextra -m32 # kernel
	gcc -c src/kernel/registrar.c -o build/registrar.o -ffreestanding -O2 -Wall -Wextra -m32 # registrar
	gcc -c src/kernel/stdlib.c -o build/stdlib.o -ffreestanding -O2 -Wall -Wextra -m32 # stdlib
	gcc -c src/kernel/graphics.c -o build/graphics.o -ffreestanding -O2 -Wall -Wextra -m32 # VGA graphics

	gcc -c initrd/vga/main.c -o build/initrddir/vga_graph -ffreestanding -O2 -Wall -Wextra -m32 # initrd/vga driver

	tar -czf build/initrd build/initrddir/* # build initrd
	gcc -z noexecstack -m32 -T linker.ld -o build/linked -ffreestanding -O2 -nostdlib build/graphics.o build/boot.o build/kernel.o build/registrar.o build/stdlib.o -fno-pie -fno-pic -no-pie # link

	cp build/linked build/grub/boot/kernel # copy kernel over to grub template
	cp build/initrd build/grub/boot/JPOS.initrd # copy initrd to grub template

	grub-mkrescue /usr/lib/grub/i386-pc -o build/live.iso build/grub # create final image
test: build
	qemu-system-i386 \
		-boot d \
		-cdrom build/live.iso
copygrub:
	cp grubtemplate -r build/grub
prepare: clean
	mkdir build
	mkdir build/initrddir
clean:
	-rm -rf build