floppy: out bootloader files
	mkfs.fat -C -f 1 -F 12 -n "PORTLAND OS" -R 4 -S 512 out/floppy.img 1440
	mkdir out/floppy_mount
	mount out/floppy.img out/floppy_mount
	cp out/fs/* out/floppy_mount/
	umount out/floppy_mount
	dd if=obj/bootloader.bin of=out/floppy.img bs=1 seek=62 conv=notrunc

bootloader: obj
	nasm src/bootloader.bin -o obj/bootloader.bin

kernel: obj out
	gcc -c src/kernel/main.c -o obj/kmain.o -ffreestanding
	gcc -c src/kernel/vga.c -o obj/kvga.o -ffreestanding
	ld obj/kmain.o obj/kvga.o -o out/kernel.out -nostdlib --oformat=i386-aout

files: kernel
	mkdir out/fs
	cp out/kernel.out out/fs/kernel.sys

obj:
	mkdir -p obj

out:
	mkdir -p out