CC = x86_64-elf-gcc
LD = x86_64-elf-ld

CFLAGS = -ffreestanding -O2 -Wall -Wextra
LDFLAGS = -T linker.ld -nostdlib

OBJS = \
    sys/arch/x86_64/boot.o \
    sys/kern/main.o

all: kernel.bin

kernel.bin: $(OBJS)
	$(LD) $(LDFLAGS) -o kernel.bin $(OBJS)

sys/arch/x86_64/boot.o:
	$(CC) $(CFLAGS) -c sys/arch/x86_64/boot.s -o sys/arch/x86_64/boot.o

sys/kern/main.o:
	$(CC) $(CFLAGS) -c sys/kern/main.c -o sys/kern/main.o

clean:
	rm -f $(OBJS) kernel.bin