OBJECTS = loader.o kmain.o stdio.o io.o string.o serial.o gdt.o idt.o system.o isr.o irq.o 
CC = gcc
CFLAGS = -m32 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles -nodefaultlibs -Wall -Wextra -c
LDFLAGS = -T link.ld -melf_i386
AS = nasm
ASFLAGS = -f elf

all: kernel.elf

kernel.elf: $(OBJECTS)
	ld $(LDFLAGS) $(OBJECTS) -o kernel.elf

os.iso: kernel.elf
	cp kernel.elf iso/boot/kernel.elf
	genisoimage -R                              \
							-b boot/grub/stage2_eltorito    \
							-no-emul-boot                   \
							-boot-load-size 4               \
							-A os                           \
							-input-charset utf8             \
							-quiet                          \
							-boot-info-table                \
							-o os.iso                       \
							iso

run: os.iso
	bochs -f bochsrc.txt -q 

%.o: %.c 
	$(CC) $(CFLAGS) $< -o $@
%.o: %.s 
	$(AS) $(ASFLAGS) $< -o $@

clean:
	rm -rf *.o kernel.elf os.iso
