1

2 CC = i386-elf-gcc

3 CFLAGS = -Wall -Wextra -nostdlib -nostartfiles -nodefaultlibs

4

5 LD = i386-elf-ld

6 LDFLAGS = -T linker.ld

7

8 OBJ = loader.o kernel.o io.o mem.o

9

10 qemu: os.iso

11 qemu -m 16 -boot cd -cdrom os.iso

12

13 os.iso: kernel

14 cp kernel os-isofiles/boot/kernel

15 genisoimage -R -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 4 -boot-info-table -o os.iso os-isofiles

16

17 loader.o: loader.s

18 yasm -f elf -o loader.o loader.s

19

20 kernel: linker.ld $(OBJ)

21 i386-elf-ld -T linker.ld -o kernel $(OBJ)

22

23 clean:

24 rm -f *.o

25 rm -f kernel

26

27 distclean: clean

28 rm -f os.iso