LXR linux/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
  15ROOT_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
  22SVGA_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
  28targets         := vmlinux.bin bootsect bootsect.o \
  29                   setup setup.o zImage bzImage
  30subdir-         := compressed
  31
  32hostprogs-y     := tools/build
  33
  34HOSTCFLAGS_build.o := $(LINUXINCLUDE)
  35
  36# ---------------------------------------------------------------------------
  37
  38$(obj)/zImage:  IMAGE_OFFSET := 0x1000
  39$(obj)/zImage:  EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK)
  40$(obj)/bzImage: IMAGE_OFFSET := 0x100000
  41$(obj)/bzImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
  42$(obj)/bzImage: BUILDFLAGS   := -b
  43
  44quiet_cmd_image = BUILD   $@
  45cmd_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        $(call if_changed,objcopy)
  55
  56LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
  57LDFLAGS_setup    := -Ttext 0x0 -s --oformat binary -e begtext
  58
  59$(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
  66FDARGS = 
  67# Set this if you want an initrd included with the zdisk/fdimage/isoimage kernel
  68FDINITRD =
  69
  70image_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
  76zdisk: $(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
  87fdimage 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
  98fdimage288: $(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
 109isoimage: $(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
 129zlilo: $(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
 136install:
 137        sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"
 138