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#
# arch/arm/boot/Makefile
#
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# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies.
#
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# 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),)
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include $(srctree)/$(MACHINE)/Makefile.boot
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endif

# Note: the following conditions must always be true:
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#   ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)
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#   PARAMS_PHYS must be within 4MB of ZRELADDR
#   INITRD_PHYS must be in RAM
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ZRELADDR    := $(zreladdr-y)
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PARAMS_PHYS := $(params_phys-y)
INITRD_PHYS := $(initrd_phys-y)

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export ZRELADDR INITRD_PHYS PARAMS_PHYS
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targets := Image zImage xipImage bootpImage uImage

ifeq ($(CONFIG_XIP_KERNEL),y)

$(obj)/xipImage: vmlinux FORCE
	$(call if_changed,objcopy)
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	@$(kecho) '  Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
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$(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
	$(call if_changed,objcopy)
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	@$(kecho) '  Kernel: $@ is ready'
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$(obj)/compressed/vmlinux: $(obj)/Image FORCE
	$(Q)$(MAKE) $(build)=$(obj)/compressed $@

$(obj)/zImage:	$(obj)/compressed/vmlinux FORCE
	$(call if_changed,objcopy)
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	@$(kecho) '  Kernel: $@ is ready'
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endif

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ifneq ($(LOADADDR),)
  UIMAGE_LOADADDR=$(LOADADDR)
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else
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  ifeq ($(CONFIG_ZBOOT_ROM),y)
    UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
  else
    UIMAGE_LOADADDR=$(ZRELADDR)
  endif
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endif

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check_for_multiple_loadaddr = \
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if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \
	echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \
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	echo 'This is incompatible with uImages'; \
	echo 'Specify LOADADDR on the commandline to build an uImage'; \
	false; \
fi

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$(obj)/uImage:	$(obj)/zImage FORCE
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	@$(check_for_multiple_loadaddr)
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	$(call if_changed,uimage)
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	@$(kecho) '  Image $@ is ready'
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$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
	$(Q)$(MAKE) $(build)=$(obj)/bootp $@
	@:

$(obj)/bootpImage: $(obj)/bootp/bootp FORCE
	$(call if_changed,objcopy)
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	@$(kecho) '  Kernel: $@ is ready'
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PHONY += initrd FORCE
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initrd:
	@test "$(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)"

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

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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)"

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subdir-	    := bootp compressed dts