Makefile

   1 AS = yasm
   2 LD = i686-elf-ld
   3 CC = i686-elf-gcc
   4
   5 KERNEL_OBJ = kernel/entry.o kernel/arch/x86/tty/tty.o kernel/kernel.o
   6
   7 all: boot.img
   8
   9 boot.img: boot/x86/boot kernel/kernel.bin
  10         cat boot/x86/boot kernel/kernel.bin > $@
  11         truncate -s1440K $@
  12
  13 boot/x86/boot: boot/x86/boot.s boot/x86/a20.s boot/x86/protected.s boot/x86/print.s
  14         $(AS) -f bin boot/x86/boot.s -o $@
  15
  16 kernel/kernel.bin: ${KERNEL_OBJ}
  17         $(LD) -o $@ -T kernel/linker.ld ${KERNEL_OBJ} --oformat=binary
  18
  19 kernel/entry.o: kernel/entry.s
  20         $(AS) -f elf kernel/entry.s -o $@
  21
  22 kernel/arch/x86/tty/tty.o: kernel/arch/x86/tty/tty.c
  23         $(CC) -g -o $@ -ffreestanding -c kernel/arch/x86/tty/tty.c
  24
  25 kernel/kernel.o: kernel/kernel.c
  26         $(CC) -g -o $@ -Iinclude/arch/x86 -ffreestanding -c kernel/kernel.c
  27
  28 clean:
  29         rm boot/x86/boot kernel/kernel.bin ${KERNEL_OBJ} boot.img
  30
  31 .PHONY: all clean