#
# 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