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 \
  29                    setup setup.o 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' ' (#'`cat .version`')'
  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/isoimage kernel
  66 FDARGS =
  67 # Set this if you want an initrd included with the zdisk/fdimage/isoimage kernel
  68 FDINITRD =
  69
  70 image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
  71
  72 $(obj)/mtools.conf: $(src)/mtools.conf.in
  73         sed -e 's|@OBJ@|$(obj)|g' < $< > $@
  74
  75 # This requires write access to /dev/fd0
  76 zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
  77         MTOOLSRC=$(obj)/mtools.conf mformat a:                  ; sync
  78         syslinux /dev/fd0                                       ; sync
  79         echo '$(image_cmdline)' | \
  80                 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
  81         if [ -f '$(FDINITRD)' ] ; then \
  82                 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
  83         fi
  84         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux  ; sync
  85
  86 # These require being root or having syslinux 2.02 or higher installed
  87 fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
  88         dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
  89         MTOOLSRC=$(obj)/mtools.conf mformat v:                  ; sync
  90         syslinux $(obj)/fdimage                                 ; sync
  91         echo '$(image_cmdline)' | \
  92                 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
  93         if [ -f '$(FDINITRD)' ] ; then \
  94                 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
  95         fi
  96         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux  ; sync
  97
  98 fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
  99         dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
 100         MTOOLSRC=$(obj)/mtools.conf mformat w:                  ; sync
 101         syslinux $(obj)/fdimage                                 ; sync
 102         echo '$(image_cmdline)' | \
 103                 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
 104         if [ -f '$(FDINITRD)' ] ; then \
 105                 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
 106         fi
 107         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux  ; sync
 108
 109 isoimage: $(BOOTIMAGE)
 110         -rm -rf $(obj)/isoimage
 111         mkdir $(obj)/isoimage
 112         for i in lib lib64 share end ; do \
 113                 if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
 114                         cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
 115                         break ; \
 116                 fi ; \
 117                 if [ $$i = end ] ; then exit 1 ; fi ; \
 118         done
 119         cp $(BOOTIMAGE) $(obj)/isoimage/linux
 120         echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
 121         if [ -f '$(FDINITRD)' ] ; then \
 122                 cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
 123         fi
 124         mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
 125                 -no-emul-boot -boot-load-size 4 -boot-info-table \
 126                 $(obj)/isoimage
 127         rm -rf $(obj)/isoimage
 128
 129 zlilo: $(BOOTIMAGE)
 130         if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
 131         if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
 132         cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
 133         cp System.map $(INSTALL_PATH)/
 134         if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
 135
 136 install:
 137         sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"