#
  # 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 mtools.conf
  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 mca.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-y	:= mkcpustr tools/build
  
  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 > $@
  targets		+= cpustr.h
  $(obj)/cpustr.h: $(obj)/mkcpustr FORCE
  	$(call if_changed,cpustr)
  
  # ---------------------------------------------------------------------------
  
  KBUILD_CFLAGS	:= $(USERINCLUDE) $(REALMODE_CFLAGS) -D_SETUP
  KBUILD_AFLAGS	:= $(KBUILD_CFLAGS) -D__ASSEMBLY__
  GCOV_PROFILE := n
  
  $(obj)/bzImage: asflags-y  := $(SVGA_MODE)
  
  quiet_cmd_image = BUILD   $@
  cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \
  			       $(obj)/zoffset.h $@
  
  $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
  	$(call if_changed,image)
  	@echo 'Kernel: $@ is ready' ' (#'`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-voffset := -e 's/^\([0-9a-fA-F]*\) . \(_text\|_end\)$$/\#define VO_\2 0x\1/p'
  
  quiet_cmd_voffset = VOFFSET $@
        cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@
  
  targets += voffset.h
  $(obj)/voffset.h: vmlinux FORCE
  	$(call if_changed,voffset)
  
  sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|startup_64\|efi_pe_entry\|efi_stub_entry\|input_data\|_end\|z_.*\)$$/\#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$(obj)
  $(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h
  
  LDFLAGS_setup.elf	:= -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/isoimage kernel
  FDARGS =
  # Set this if you want an initrd included with the
  # bzdisk/fdimage/isoimage kernel
  FDINITRD =
  
  image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
  
  $(obj)/mtools.conf: $(src)/mtools.conf.in
  	sed -e 's|@OBJ@|$(obj)|g' < $< > $@
  
  # This requires write access to /dev/fd0
  bzdisk: $(obj)/bzImage $(obj)/mtools.conf
  	MTOOLSRC=$(obj)/mtools.conf mformat a:			; sync
  	syslinux /dev/fd0					; sync
  	echo '$(image_cmdline)' | \
  		MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
  	if [ -f '$(FDINITRD)' ] ; then \
  		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
  	fi
  	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux	; sync
  
  # These require being root or having syslinux 2.02 or higher installed
  fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf
  	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
  	MTOOLSRC=$(obj)/mtools.conf mformat v:			; sync
  	syslinux $(obj)/fdimage					; sync
  	echo '$(image_cmdline)' | \
  		MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
  	if [ -f '$(FDINITRD)' ] ; then \
  		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
  	fi
  	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux	; sync
  
  fdimage288: $(obj)/bzImage $(obj)/mtools.conf
  	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
  	MTOOLSRC=$(obj)/mtools.conf mformat w:			; sync
  	syslinux $(obj)/fdimage					; sync
  	echo '$(image_cmdline)' | \
  		MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
  	if [ -f '$(FDINITRD)' ] ; then \
  		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
  	fi
  	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux	; sync
  
  isoimage: $(obj)/bzImage
  	-rm -rf $(obj)/isoimage
  	mkdir $(obj)/isoimage
  	for i in lib lib64 share end ; do \
  		if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
  			cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
  			break ; \
  		fi ; \
  		if [ $$i = end ] ; then exit 1 ; fi ; \
  	done
  	cp $(obj)/bzImage $(obj)/isoimage/linux
  	echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
  	if [ -f '$(FDINITRD)' ] ; then \
  		cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
  	fi
  	mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
  		-no-emul-boot -boot-load-size 4 -boot-info-table \
  		$(obj)/isoimage
  	isohybrid $(obj)/image.iso 2>/dev/null || true
  	rm -rf $(obj)/isoimage
  
  bzlilo: $(obj)/bzImage
  	if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
  	if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
  	cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
  	cp System.map $(INSTALL_PATH)/
  	if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
  
  install:
  	sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
  		System.map "$(INSTALL_PATH)"