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'
  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 kernel
  64 FDARGS =
  65
  66 $(obj)/mtools.conf: $(src)/mtools.conf.in
  67         sed -e 's|@OBJ@|$(obj)|g' < $< > $@
  68
  69 # This requires write access to /dev/fd0
  70 zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
  71         MTOOLSRC=$(obj)/mtools.conf mformat a:                  ; sync
  72         syslinux /dev/fd0                                       ; sync
  73         echo 'default linux $(FDARGS)' | \
  74                 MTOOLSRC=$(obj)/mtools.conf mcopy - a:syslinux.cfg
  75         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux  ; sync
  76
  77 # These require being root or having syslinux 2.02 or higher installed
  78 fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
  79         dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
  80         MTOOLSRC=$(obj)/mtools.conf mformat v:                  ; sync
  81         syslinux $(obj)/fdimage                                 ; sync
  82         echo 'default linux $(FDARGS)' | \
  83                 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
  84         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux  ; sync
  85
  86 fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
  87         dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
  88         MTOOLSRC=$(obj)/mtools.conf mformat w:                  ; sync
  89         syslinux $(obj)/fdimage                                 ; sync
  90         echo 'default linux $(FDARGS)' | \
  91                 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
  92         MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux  ; sync
  93
  94 zlilo: $(BOOTIMAGE)
  95         if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
  96         if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
  97         cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
  98         cp System.map $(INSTALL_PATH)/
  99         if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
 100
 101 install: $(BOOTIMAGE)
 102         sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"