build: build/os.bin
	@echo "Build succeded"

build/boot.bin: src/boot.asm
	nasm -f bin -o build/boot.bin src/boot.asm

build/kernel_entry.o: src/kernel_entry.asm
	nasm -f elf -o build/kernel_entry.o src/kernel_entry.asm

build/kernel.o: src/kernel.c
	i386-elf-gcc -ffreestanding -m32 -c -o build/kernel.o src/kernel.c

build/kernel.bin:build/kernel.o build/kernel_entry.o
	i386-elf-ld -o build/kernel.bin -Ttext 0x1000 build/kernel_entry.o build/kernel.o --oformat binary

build/zeroes.bin:
	dd if=/dev/zero of=build/zeroes.bin bs=1 count=10240

build/os.bin: build/boot.bin build/kernel.bin build/zeroes.bin
	cat build/boot.bin build/kernel.bin build/zeroes.bin > build/os.bin
	
run: build/os.bin
	qemu-system-x86_64 -drive file=build/os.bin,format=raw,index=0,media=disk

clean:
	@rm build/* 2>/dev/null || true