TOMOYO Linux Cross Reference
Linux/arch/x86/boot/Makefile

   #
   # arch/x86/boot/Makefile
   #
   # This file is subject to the terms and conditions of the GNU General Public
   # License.  See the file "COPYING" in the main directory of this archive
   # for more details.
   #
   # Copyright (C) 1994 by Linus Torvalds
   # Changed by many, many contributors over the years.
  #
  
  # If you want to preset the SVGA mode, uncomment the next line and
  # set SVGA_MODE to whatever number you want.
  # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
  # The number is the same as you would ordinarily press at bootup.
  
  SVGA_MODE       := -DSVGA_MODE=NORMAL_VGA
  
  targets         := vmlinux.bin setup.bin setup.elf bzImage
  targets         += fdimage fdimage144 fdimage288 image.iso hdimage
  subdir-         := compressed
  
  setup-y         += a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o
  setup-y         += early_serial_console.o edd.o header.o main.o memory.o
  setup-y         += pm.o pmjump.o printf.o regs.o string.o tty.o video.o
  setup-y         += video-mode.o version.o
  setup-$(CONFIG_X86_APM_BOOT) += apm.o
  
  # The link order of the video-*.o modules can matter.  In particular,
  # video-vga.o *must* be listed first, followed by video-vesa.o.
  # Hardware-specific drivers should follow in the order they should be
  # probed, and video-bios.o should typically be last.
  setup-y         += video-vga.o
  setup-y         += video-vesa.o
  setup-y         += video-bios.o
  
  targets         += $(setup-y)
  hostprogs       := tools/build
  hostprogs       += mkcpustr
  
  HOST_EXTRACFLAGS += -I$(srctree)/tools/include \
                      -include include/generated/autoconf.h \
                      -D__EXPORTED_HEADERS__
  
  $(obj)/cpu.o: $(obj)/cpustr.h
  
  quiet_cmd_cpustr = CPUSTR  $@
        cmd_cpustr = $(obj)/mkcpustr > $@
  $(obj)/cpustr.h: $(obj)/mkcpustr FORCE
          $(call if_changed,cpustr)
  targets += cpustr.h
  
  # ---------------------------------------------------------------------------
  
  KBUILD_CFLAGS   := $(REALMODE_CFLAGS) -D_SETUP
  KBUILD_AFLAGS   := $(KBUILD_CFLAGS) -D__ASSEMBLY__
  KBUILD_CFLAGS   += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
  KBUILD_CFLAGS   += -fno-asynchronous-unwind-tables
  KBUILD_CFLAGS   += $(CONFIG_CC_IMPLICIT_FALLTHROUGH)
  
  $(obj)/bzImage: asflags-y  := $(SVGA_MODE)
  
  quiet_cmd_image = BUILD   $@
  silent_redirect_image = >/dev/null
  cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \
                                 $(obj)/zoffset.h $@ $($(quiet)redirect_image)
  
  $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
          $(call if_changed,image)
          @$(kecho) 'Kernel: $@ is ready' ' (#'$(or $(KBUILD_BUILD_VERSION),`cat .version`)')'
  
  OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
  $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
          $(call if_changed,objcopy)
  
  SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
  
  sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [a-zA-Z] \(startup_32\|efi.._stub_entry\|efi\(32\)\?_pe_entry\|input_data\|kernel_info\|_end\|_ehead\|_text\|_e\?data\|z_.*\)$$/\#define ZO_\2 0x\1/p'
  
  quiet_cmd_zoffset = ZOFFSET $@
        cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
  
  targets += zoffset.h
  $(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
          $(call if_changed,zoffset)
  
  
  AFLAGS_header.o += -I$(objtree)/$(obj)
  $(obj)/header.o: $(obj)/zoffset.h
  
  LDFLAGS_setup.elf       := -m elf_i386 -z noexecstack -T
  $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
          $(call if_changed,ld)
  
  OBJCOPYFLAGS_setup.bin  := -O binary
  $(obj)/setup.bin: $(obj)/setup.elf FORCE
          $(call if_changed,objcopy)
  
  $(obj)/compressed/vmlinux: FORCE
         $(Q)$(MAKE) $(build)=$(obj)/compressed $@
 
 # Set this if you want to pass append arguments to the
 # bzdisk/fdimage/hdimage/isoimage kernel
 FDARGS =
 # Set this if you want one or more initrds included in the image
 FDINITRD =
 
 imgdeps = $(obj)/bzImage $(obj)/mtools.conf $(src)/genimage.sh
 
 $(obj)/mtools.conf: $(src)/mtools.conf.in
         sed -e 's|@OBJ@|$(obj)|g' < $< > $@
 
 targets += mtools.conf
 
 # genimage.sh requires bash, but it also has a bunch of other
 # external dependencies.
 quiet_cmd_genimage = GENIMAGE $3
       cmd_genimage = $(BASH) $(src)/genimage.sh $2 $3 $(obj)/bzImage \
                 $(obj)/mtools.conf '$(FDARGS)' $(FDINITRD)
 
 PHONY += bzdisk fdimage fdimage144 fdimage288 hdimage isoimage
 
 # This requires write access to /dev/fd0
 # All images require syslinux to be installed; hdimage also requires
 # EDK2/OVMF if the kernel is compiled with the EFI stub.
 bzdisk: $(imgdeps)
         $(call cmd,genimage,bzdisk,/dev/fd0)
 
 fdimage fdimage144: $(imgdeps)
         $(call cmd,genimage,fdimage144,$(obj)/fdimage)
         @$(kecho) 'Kernel: $(obj)/fdimage is ready'
 
 fdimage288: $(imgdeps)
         $(call cmd,genimage,fdimage288,$(obj)/fdimage)
         @$(kecho) 'Kernel: $(obj)/fdimage is ready'
 
 hdimage: $(imgdeps)
         $(call cmd,genimage,hdimage,$(obj)/hdimage)
         @$(kecho) 'Kernel: $(obj)/hdimage is ready'
 
 isoimage: $(imgdeps)
         $(call cmd,genimage,isoimage,$(obj)/image.iso)
         @$(kecho) 'Kernel: $(obj)/image.iso is ready'

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.