#
  # arch/arm/boot/Makefile
  #

  # This file is included by the global makefile so that you can add your own
  # architecture-specific flags and dependencies.
  #

  # 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) 1995-2002 Russell King
  #
  
  MKIMAGE         := $(srctree)/scripts/mkuboot.sh
  
  ifneq ($(MACHINE),)

  include $(srctree)/$(MACHINE)/Makefile.boot

  endif
  
  # Note: the following conditions must always be true:

  #   ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)

  #   PARAMS_PHYS must be within 4MB of ZRELADDR
  #   INITRD_PHYS must be in RAM

  ZRELADDR    := $(zreladdr-y)

  PARAMS_PHYS := $(params_phys-y)
  INITRD_PHYS := $(initrd_phys-y)

  export ZRELADDR INITRD_PHYS PARAMS_PHYS

  
  targets := Image zImage xipImage bootpImage uImage
  
  ifeq ($(CONFIG_XIP_KERNEL),y)
  
  $(obj)/xipImage: vmlinux FORCE
  	$(call if_changed,objcopy)
  	@echo '  Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
  
  $(obj)/Image $(obj)/zImage: FORCE
  	@echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
  	@echo 'Only the xipImage target is available in this case'
  	@false
  
  else
  
  $(obj)/xipImage: FORCE
  	@echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
  	@false
  
  $(obj)/Image: vmlinux FORCE
  	$(call if_changed,objcopy)
  	@echo '  Kernel: $@ is ready'
  
  $(obj)/compressed/vmlinux: $(obj)/Image FORCE
  	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
  
  $(obj)/zImage:	$(obj)/compressed/vmlinux FORCE
  	$(call if_changed,objcopy)
  	@echo '  Kernel: $@ is ready'
  
  endif

  targets += $(dtb-y)

  # Rule to build device tree blobs

  $(obj)/%.dtb: $(src)/dts/%.dts FORCE
  	$(call if_changed_dep,dtc)

  
  $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))

  clean-files := *.dtb

  quiet_cmd_uimage = UIMAGE  $@
        cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \

  		   -C none -a $(LOADADDR) -e $(STARTADDR) \

  		   -n 'Linux-$(KERNELRELEASE)' -d $< $@

  ifeq ($(CONFIG_ZBOOT_ROM),y)
  $(obj)/uImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
  else

  $(obj)/uImage: LOADADDR=$(ZRELADDR)

  endif

  $(obj)/uImage: STARTADDR=$(LOADADDR)

  check_for_multiple_loadaddr = \
  if [ $(words $(LOADADDR)) -gt 1 ]; then \
  	echo 'multiple load addresses: $(LOADADDR)'; \
  	echo 'This is incompatible with uImages'; \
  	echo 'Specify LOADADDR on the commandline to build an uImage'; \
  	false; \
  fi

  $(obj)/uImage:	$(obj)/zImage FORCE

  	@$(check_for_multiple_loadaddr)

  	$(call if_changed,uimage)
  	@echo '  Image $@ is ready'
  
  $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
  	$(Q)$(MAKE) $(build)=$(obj)/bootp $@
  	@:
  
  $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
  	$(call if_changed,objcopy)
  	@echo '  Kernel: $@ is ready'

  PHONY += initrd FORCE

  initrd:
  	@test "$(INITRD_PHYS)" != "" || \
  	(echo This machine does not support INITRD; exit -1)
  	@test "$(INITRD)" != "" || \
  	(echo You must specify INITRD; exit -1)
  
  install: $(obj)/Image
  	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
  	$(obj)/Image System.map "$(INSTALL_PATH)"
  
  zinstall: $(obj)/zImage
  	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
  	$(obj)/zImage System.map "$(INSTALL_PATH)"

  uinstall: $(obj)/uImage
  	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
  	$(obj)/uImage System.map "$(INSTALL_PATH)"

  zi:
  	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
  	$(obj)/zImage System.map "$(INSTALL_PATH)"
  
  i:
  	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
  	$(obj)/Image System.map "$(INSTALL_PATH)"

  subdir-	    := bootp compressed