arch/i386/boot/Makefile

   1 #
   2 # arch/i386/boot/Makefile
   3 #
   4 # This file is subject to the terms and conditions of the GNU General Public
   5 # License.  See the file "COPYING" in the main directory of this archive
   6 # for more details.
   7 #
   8 # Copyright (C) 1994 by Linus Torvalds
   9 #
  10
  11 # ROOT_DEV specifies the default root-device when making the image.
  12 # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case
  13 # the default of FLOPPY is used by 'build'.
  14
  15 ROOT_DEV := CURRENT
  16
  17 # If you want to preset the SVGA mode, uncomment the next line and
  18 # set SVGA_MODE to whatever number you want.
  19 # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
  20 # The number is the same as you would ordinarily press at bootup.
  21
  22 SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
  23
  24 # If you want the RAM disk device, define this to be the size in blocks.
  25
  26 #RAMDISK := -DRAMDISK=512
  27
  28 targets         := vmlinux.bin bootsect bootsect.o setup setup.o \
  29                    zImage bzImage
  30 subdir-         := compressed
  31
  32 hostprogs-y     := tools/build
  33
  34 HOSTCFLAGS_build.o := $(LINUXINCLUDE)
  35
  36 # ---------------------------------------------------------------------------
  37
  38 $(obj)/zImage:  IMAGE_OFFSET := 0x1000
  39 $(obj)/zImage:  EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK)
  40 $(obj)/bzImage: IMAGE_OFFSET := 0x100000
  41 $(obj)/bzImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
  42 $(obj)/bzImage: BUILDFLAGS   := -b
  43
  44 quiet_cmd_image = BUILD   $@
  45 cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
  46             $(obj)/vmlinux.bin $(ROOT_DEV) > $@
  47
  48 $(obj)/zImage $(obj)/bzImage: $(obj)/bootsect $(obj)/setup \
  49                               $(obj)/vmlinux.bin $(obj)/tools/build FORCE
  50         $(call if_changed,image)
  51         @echo 'Kernel: $@ is ready'
  52
  53 $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
  54         $(call if_changed,objcopy)
  55
  56 LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
  57 LDFLAGS_setup    := -Ttext 0x0 -s --oformat binary -e begtext
  58
  59 $(obj)/setup $(obj)/bootsect: %: %.o FORCE
  60         $(call if_changed,ld)
  61
  62 $(obj)/compressed/vmlinux: FORCE
  63         $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
  64
  65 # Set this if you want to pass append arguments to the zdisk/fdimage kernel
  66 FDARGS =
  67
  68 $(obj)/mtools.conf: $(src)/mtools.conf.in
  69         sed -e 's|@OBJ@|$(obj)|g' < $< > $@
  70
  71 # This requires write access to /dev/fd0
  72 zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
  73         MTOOLSRC=$(obj)/mtools.conf mformat a:                  ; sync
  74         syslinux /dev/fd0                                       ; sync
  75         echo 'default linux $(FDARGS)' | \
  76                 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
  77         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux  ; sync
  78
  79 # These require being root or having syslinux 2.02 or higher installed
  80 fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
  81         dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
  82         MTOOLSRC=$(obj)/mtools.conf mformat v:                  ; sync
  83         syslinux $(obj)/fdimage                                 ; sync
  84         echo 'default linux $(FDARGS)' | \
  85                 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
  86         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux  ; sync
  87
  88 fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
  89         dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
  90         MTOOLSRC=$(obj)/mtools.conf mformat w:                  ; sync
  91         syslinux $(obj)/fdimage                                 ; sync
  92         echo 'default linux $(FDARGS)' | \
  93                 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
  94         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux  ; sync
  95
  96 zlilo: $(BOOTIMAGE)
  97         if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
  98         if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
  99         cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
 100         cp System.map $(INSTALL_PATH)/
 101         if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
 102
 103 install: $(BOOTIMAGE)
 104         sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"