Makefile

   1 .SUFFIXES: .asm
   2
   3 CFLAGS  =-Wall -O -fstrength-reduce -fomit-frame-pointer -fcombine-regs
   4 # defines
   5 MAKEFILE=Makefile
   6 MAKEDEP=$(MAKEFILE)
   7 LDSCRIPT=boot/link.ld
   8 INCDIR  =include/
   9 NASM    =nasm -f elf
  10 CC      =gcc -m32 -g -O2 -nostdinc -fno-builtin -I$(INCDIR)
  11 #-Wall -W
  12 LD      =ld -m elf_i386 -g -T $(LDSCRIPT) -nostdlib
  13 LIBC=lib/libc.a
  14 OBJS    =boot/start.o kernel/main.o kernel/system_call.o kernel/init.o kernel/console.o kernel/commands.o kernel/memory.o kernel/cpu.o kernel/env.o kernel/elf.o kernel/dev.o kernel/gdt.o kernel/idt.o kernel/isrs.o kernel/irq.o kernel/timer.o kernel/vfs.o kernel/user.o kernel/sched.o kernel/tty.o drivers/char/video/video.o drivers/char/kbd/kbd.o drivers/char/rs232/rs232.o drivers/block/floppy.o drivers/block/biosdisk.o drivers/fs/fat.o apps/fs/ls.o apps/fs/cat.o apps/fs/exec.o apps/fs/cd.o apps/fs/mount.o
  15
  16 # targets
  17 all: kernel.bin
  18
  19 install: kernel.bin
  20         mount /dev/fd0 mnt
  21         cp -f kernel.bin mnt/kernel.bin
  22         umount mnt
  23         qemu -fda /dev/fd0
  24
  25 clean:
  26         rm -f *.o kernel.bin $(OBJS)
  27 # implicit rules
  28 .s.o:
  29         $(CC) -c -o$@ $<
  30
  31 .asm.o:
  32         $(NASM) -o$@ $<
  33
  34 .c.o:
  35         $(CC) -c -o$@ $<
  36
  37 #: dependencies
  38 # boot
  39 boot/start.o:                           boot/start.asm                  $(MAKEDEP)
  40 # kernel
  41 kernel/main.o:                          kernel/main.c                   $(MAKEDEP)
  42 kernel/init.o:                          kernel/init.c                   $(MAKEDEP)
  43 kernel/gdt.o:                           kernel/gdt.c                    $(MAKEDEP)
  44 kernel/idt.o:                           kernel/idt.c                    $(MAKEDEP)
  45 kernel/isrs.o:                          kernel/isrs.c                   $(MAKEDEP)
  46 kernel/irq.o:                           kernel/irq.c                    $(MAKEDEP)
  47 kernel/timer.o:                         kernel/timer.c                  $(MAKEDEP)
  48 kernel/sched.o:                         kernel/sched.c                  $(MAKEDEP)
  49 kernel/console.o:                       kernel/console.c                $(MAKEDEP)
  50 kernel/commands.o:                      kernel/commands.c               $(MAKEDEP)
  51 kernel/memory.o:                        kernel/memory.c                 $(MAKEDEP)
  52 kernel/cpu.o:                           kernel/cpu.c                    $(MAKEDEP)
  53 kernel/env.o:                           kernel/env.c                    $(MAKEDEP)
  54 kernel/elf.o:                           kernel/elf.c                    $(MAKEDEP)
  55 kernel/dev.o:                           kernel/dev.c                    $(MAKEDEP)
  56 kernel/vfs.o:                           kernel/vfs.c                    $(MAKEDEP)
  57 kernel/user.o:                          kernel/user.c                   $(MAKEDEP)
  58 kernel/tty.o:                           kernel/tty.c                    $(MAKEDEP)
  59 kernel/system_call.o:                   kernel/system_call.c            $(MAKEDEP)
  60 # drivers
  61 drivers/char/video.o:                   drivers/char/video/video.c      $(MAKEDEP)
  62 drivers/char/kbd.o:                     drivers/char/kbd/kbd.c          $(MAKEDEP)
  63 drivers/char/rs232/rs232.o:             drivers/char/rs232/rs232.c      $(MAKEDEP)
  64 drivers/block/floppy.o:                 drivers/block/floppy.c          $(MAKEDEP)
  65 drivers/block/biosdisk.o:               drivers/block/biosdisk.c        $(MAKEDEP)
  66 drivers/fs/fat.o:                       drivers/fs/fat.c                $(MAKEDEP)
  67 # apps
  68 apps/fs/ls.o:                           apps/fs/ls.c                    $(MAKEDEP)
  69 apps/fs/cat.o:                          apps/fs/cat.c                   $(MAKEDEP)
  70 apps/fs/exec.o:                         apps/fs/exec.c                  $(MAKEDEP)
  71 apps/fs/cd.o:                           apps/fs/cd.c                    $(MAKEDEP)
  72 apps/fs/mount.o:                        apps/fs/mount.c                 $(MAKEDEP)
  73
  74 # explicit rules
  75 kernel.bin: $(OBJS) $(LDSCRIPT) $(LIBC) $(MAKEDEP)
  76         $(LD) -o$@ $(OBJS) $(LIBC)
  77
  78 #objdump --source $@ >krnl.lst
  79 #nm $@ | sort >krnl.sym
  80 #strip $@