arch/x86_64/boot/Makefile

   1 #
   2 # arch/x86_64/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 bzImage mtools.conf
  30
  31 EXTRA_CFLAGS := -m32
  32
  33 hostprogs-y     := tools/build
  34 HOST_EXTRACFLAGS += $(LINUXINCLUDE)
  35 subdir-         := compressed/  #Let make clean descend in compressed/
  36 # ---------------------------------------------------------------------------
  37
  38 $(obj)/bzImage: IMAGE_OFFSET := 0x100000
  39 $(obj)/bzImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
  40 $(obj)/bzImage: BUILDFLAGS   := -b
  41
  42 quiet_cmd_image = BUILD   $@
  43 cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
  44             $(obj)/vmlinux.bin $(ROOT_DEV) > $@
  45
  46 $(obj)/bzImage: $(obj)/bootsect $(obj)/setup \
  47                               $(obj)/vmlinux.bin $(obj)/tools/build FORCE
  48         $(call if_changed,image)
  49         @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
  50
  51 $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
  52         $(call if_changed,objcopy)
  53
  54 LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
  55 LDFLAGS_setup    := -Ttext 0x0 -s --oformat binary -e begtext
  56
  57 $(obj)/setup $(obj)/bootsect: %: %.o FORCE
  58         $(call if_changed,ld)
  59
  60 $(obj)/compressed/vmlinux: FORCE
  61         $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
  62
  63 # Set this if you want to pass append arguments to the zdisk/fdimage/isoimage kernel
  64 FDARGS =
  65 # Set this if you want an initrd included with the zdisk/fdimage/isoimage kernel
  66 FDINITRD =
  67
  68 image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
  69
  70 $(obj)/mtools.conf: $(src)/mtools.conf.in
  71         sed -e 's|@OBJ@|$(obj)|g' < $< > $@
  72
  73 # This requires write access to /dev/fd0
  74 zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
  75         MTOOLSRC=$(obj)/mtools.conf mformat a:                  ; sync
  76         syslinux /dev/fd0                                       ; sync
  77         echo '$(image_cmdline)' | \
  78                 MTOOLSRC=$(obj)/mtools.conf mcopy - a:syslinux.cfg
  79         if [ -f '$(FDINITRD)' ] ; then \
  80                 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
  81         fi
  82         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux  ; sync
  83
  84 # These require being root or having syslinux 2.02 or higher installed
  85 fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
  86         dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
  87         MTOOLSRC=$(obj)/mtools.conf mformat v:                  ; sync
  88         syslinux $(obj)/fdimage                                 ; sync
  89         echo '$(image_cmdline)' | \
  90                 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
  91         if [ -f '$(FDINITRD)' ] ; then \
  92                 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
  93         fi
  94         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux  ; sync
  95
  96 fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
  97         dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
  98         MTOOLSRC=$(obj)/mtools.conf mformat w:                  ; sync
  99         syslinux $(obj)/fdimage                                 ; sync
 100         echo '$(image_cmdline)' | \
 101                 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
 102         if [ -f '$(FDINITRD)' ] ; then \
 103                 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
 104         fi
 105         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux  ; sync
 106
 107 isoimage: $(BOOTIMAGE)
 108         -rm -rf $(obj)/isoimage
 109         mkdir $(obj)/isoimage
 110         cp `echo /usr/lib*/syslinux/isolinux.bin | awk '{ print $1; }'` \
 111                 $(obj)/isoimage
 112         cp $(BOOTIMAGE) $(obj)/isoimage/linux
 113         echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
 114         if [ -f '$(FDINITRD)' ] ; then \
 115                 cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
 116         fi
 117         mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
 118                 -no-emul-boot -boot-load-size 4 -boot-info-table \
 119                 $(obj)/isoimage
 120         rm -rf $(obj)/isoimage
 121
 122 zlilo: $(BOOTIMAGE)
 123         if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
 124         if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
 125         cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
 126         cp System.map $(INSTALL_PATH)/
 127         if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
 128
 129 install:
 130         sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"