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kernel/linux-imx6_3.14.28/arch/arm/boot/Makefile 3.07 KB
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  #
  # 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
  #
  
  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
  	$(call if_changed,objcopy)
  	@$(kecho) '  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
  	$(call if_changed,objcopy)
  	@$(kecho) '  Kernel: $@ is ready'
  
  $(obj)/compressed/vmlinux: $(obj)/Image FORCE
  	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
  
  $(obj)/zImage:	$(obj)/compressed/vmlinux FORCE
  	$(call if_changed,objcopy)
  	@$(kecho) '  Kernel: $@ is ready'
  
  endif
  
  ifneq ($(LOADADDR),)
    UIMAGE_LOADADDR=$(LOADADDR)
  else
    ifeq ($(CONFIG_ZBOOT_ROM),y)
      UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
    else
      UIMAGE_LOADADDR=$(ZRELADDR)
    endif
  endif
  
  check_for_multiple_loadaddr = \
  if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \
  	echo 'multiple (or no) load addresses: $(UIMAGE_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)
  	$(call if_changed,uimage)
  	@$(kecho) '  Image $@ is ready'
  
  $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
  	$(Q)$(MAKE) $(build)=$(obj)/bootp $@
  	@:
  
  $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
  	$(call if_changed,objcopy)
  	@$(kecho) '  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:
  	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
  	$(obj)/Image System.map "$(INSTALL_PATH)"
  
  zinstall:
  	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
  	$(obj)/zImage System.map "$(INSTALL_PATH)"
  
  uinstall:
  	$(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 dts