arch/x86/boot/Makefile

   1 #
   2 # arch/x86/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 # Changed by many, many contributors over the years.
  10 #
  11
  12 # If you want to preset the SVGA mode, uncomment the next line and
  13 # set SVGA_MODE to whatever number you want.
  14 # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
  15 # The number is the same as you would ordinarily press at bootup.
  16
  17 SVGA_MODE       := -DSVGA_MODE=NORMAL_VGA
  18
  19 targets         := vmlinux.bin setup.bin setup.elf bzImage
  20 targets         += fdimage fdimage144 fdimage288 image.iso mtools.conf
  21 subdir-         := compressed
  22
  23 setup-y         += a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o
  24 setup-y         += early_serial_console.o edd.o header.o main.o mca.o memory.o
  25 setup-y         += pm.o pmjump.o printf.o regs.o string.o tty.o video.o
  26 setup-y         += video-mode.o version.o
  27 setup-$(CONFIG_X86_APM_BOOT) += apm.o
  28
  29 # The link order of the video-*.o modules can matter.  In particular,
  30 # video-vga.o *must* be listed first, followed by video-vesa.o.
  31 # Hardware-specific drivers should follow in the order they should be
  32 # probed, and video-bios.o should typically be last.
  33 setup-y         += video-vga.o
  34 setup-y         += video-vesa.o
  35 setup-y         += video-bios.o
  36
  37 targets         += $(setup-y)
  38 hostprogs-y     := tools/build
  39 hostprogs-$(CONFIG_X86_FEATURE_NAMES) += mkcpustr
  40
  41 HOST_EXTRACFLAGS += -I$(srctree)/tools/include \
  42                     -include include/generated/autoconf.h \
  43                     -D__EXPORTED_HEADERS__
  44
  45 ifdef CONFIG_X86_FEATURE_NAMES
  46 $(obj)/cpu.o: $(obj)/cpustr.h
  47
  48 quiet_cmd_cpustr = CPUSTR  $@
  49       cmd_cpustr = $(obj)/mkcpustr > $@
  50 targets += cpustr.h
  51 $(obj)/cpustr.h: $(obj)/mkcpustr FORCE
  52         $(call if_changed,cpustr)
  53 endif
  54 clean-files += cpustr.h
  55
  56 # ---------------------------------------------------------------------------
  57
  58 KBUILD_CFLAGS   := $(USERINCLUDE) $(REALMODE_CFLAGS) -D_SETUP
  59 KBUILD_AFLAGS   := $(KBUILD_CFLAGS) -D__ASSEMBLY__
  60 GCOV_PROFILE := n
  61
  62 $(obj)/bzImage: asflags-y  := $(SVGA_MODE)
  63
  64 quiet_cmd_image = BUILD   $@
  65 cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \
  66                                $(obj)/zoffset.h $@
  67
  68 $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
  69         $(call if_changed,image)
  70         @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
  71
  72 OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
  73 $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
  74         $(call if_changed,objcopy)
  75
  76 SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
  77
  78 sed-voffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(_text\|_end\)$$/\#define VO_\2 0x\1/p'
  79
  80 quiet_cmd_voffset = VOFFSET $@
  81       cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@
  82
  83 targets += voffset.h
  84 $(obj)/voffset.h: vmlinux FORCE
  85         $(call if_changed,voffset)
  86
  87 sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
  88
  89 quiet_cmd_zoffset = ZOFFSET $@
  90       cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
  91
  92 targets += zoffset.h
  93 $(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
  94         $(call if_changed,zoffset)
  95
  96
  97 AFLAGS_header.o += -I$(obj)
  98 $(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h
  99
 100 LDFLAGS_setup.elf       := -T
 101 $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
 102         $(call if_changed,ld)
 103
 104 OBJCOPYFLAGS_setup.bin  := -O binary
 105 $(obj)/setup.bin: $(obj)/setup.elf FORCE
 106         $(call if_changed,objcopy)
 107
 108 $(obj)/compressed/vmlinux: FORCE
 109         $(Q)$(MAKE) $(build)=$(obj)/compressed $@
 110
 111 # Set this if you want to pass append arguments to the
 112 # bzdisk/fdimage/isoimage kernel
 113 FDARGS =
 114 # Set this if you want an initrd included with the
 115 # bzdisk/fdimage/isoimage kernel
 116 FDINITRD =
 117
 118 image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
 119
 120 $(obj)/mtools.conf: $(src)/mtools.conf.in
 121         sed -e 's|@OBJ@|$(obj)|g' < $< > $@
 122
 123 # This requires write access to /dev/fd0
 124 bzdisk: $(obj)/bzImage $(obj)/mtools.conf
 125         MTOOLSRC=$(obj)/mtools.conf mformat a:                  ; sync
 126         syslinux /dev/fd0                                       ; sync
 127         echo '$(image_cmdline)' | \
 128                 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
 129         if [ -f '$(FDINITRD)' ] ; then \
 130                 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
 131         fi
 132         MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux        ; sync
 133
 134 # These require being root or having syslinux 2.02 or higher installed
 135 fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf
 136         dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
 137         MTOOLSRC=$(obj)/mtools.conf mformat v:                  ; sync
 138         syslinux $(obj)/fdimage                                 ; sync
 139         echo '$(image_cmdline)' | \
 140                 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
 141         if [ -f '$(FDINITRD)' ] ; then \
 142                 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
 143         fi
 144         MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux        ; sync
 145
 146 fdimage288: $(obj)/bzImage $(obj)/mtools.conf
 147         dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
 148         MTOOLSRC=$(obj)/mtools.conf mformat w:                  ; sync
 149         syslinux $(obj)/fdimage                                 ; sync
 150         echo '$(image_cmdline)' | \
 151                 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
 152         if [ -f '$(FDINITRD)' ] ; then \
 153                 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
 154         fi
 155         MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux        ; sync
 156
 157 isoimage: $(obj)/bzImage
 158         -rm -rf $(obj)/isoimage
 159         mkdir $(obj)/isoimage
 160         for i in lib lib64 share end ; do \
 161                 if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
 162                         cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
 163                         break ; \
 164                 fi ; \
 165                 if [ $$i = end ] ; then exit 1 ; fi ; \
 166         done
 167         cp $(obj)/bzImage $(obj)/isoimage/linux
 168         echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
 169         if [ -f '$(FDINITRD)' ] ; then \
 170                 cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
 171         fi
 172         mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
 173                 -no-emul-boot -boot-load-size 4 -boot-info-table \
 174                 $(obj)/isoimage
 175         isohybrid $(obj)/image.iso 2>/dev/null || true
 176         rm -rf $(obj)/isoimage
 177
 178 bzlilo: $(obj)/bzImage
 179         if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
 180         if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
 181         cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
 182         cp System.map $(INSTALL_PATH)/
 183         if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
 184
 185 install:
 186         sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
 187                 System.map "$(INSTALL_PATH)"