Makefile so71730846-a

all: os-image

os-image: boot_sect.bin kernel.bin
    cat $^ > os-image

kernel.bin: kernel.elf
    objcopy -O binary $< $@

kernel.elf: kernel_entry.o kernel.o
    ld -melf_i386 -o $@ -Ttext 0x1000 $^

kernel.o : kernel.c
    gcc -fno-pie -ffreestanding -m32 -c $< -o $@

kernel_entry.o : kernel_entry.asm
    nasm $< -f elf -o $@

boot_sect.bin : boot_sect.asm
    nasm $< -f bin -o $@

clean:
    rm -fr *.bin *.o os-image *.map *.elf