101 lines
2.5 KiB
Makefile
101 lines
2.5 KiB
Makefile
#
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# arch/arm/boot/Makefile
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#
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# This file is included by the global makefile so that you can add your own
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# architecture-specific flags and dependencies.
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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# Copyright (C) 1995-2002 Russell King
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#
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OBJCOPYFLAGS :=-O binary -R .comment -S
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# ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)
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ifdef CONFIG_PHYS_OFFSET
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add_hex = $(shell printf 0x%x $$(( $(1) + $(2) )) )
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ZRELADDR := $(call add_hex, $(CONFIG_PHYS_OFFSET), $(TEXT_OFFSET))
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endif
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PHYS_OFFSET := $(CONFIG_PHYS_OFFSET)
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export ZRELADDR PARAMS_PHYS PHYS_OFFSET
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targets := Image zImage xipImage bootpImage uImage
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ifeq ($(CONFIG_XIP_KERNEL),y)
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cmd_deflate_xip_data = $(CONFIG_SHELL) -c \
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'$(srctree)/$(src)/deflate_xip_data.sh $< $@'
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ifeq ($(CONFIG_XIP_DEFLATED_DATA),y)
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quiet_cmd_mkxip = XIPZ $@
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cmd_mkxip = $(cmd_objcopy) && $(cmd_deflate_xip_data)
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else
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quiet_cmd_mkxip = $(quiet_cmd_objcopy)
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cmd_mkxip = $(cmd_objcopy)
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endif
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$(obj)/xipImage: vmlinux FORCE
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$(call if_changed,mkxip)
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@$(kecho) ' Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)'
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$(obj)/Image $(obj)/zImage: FORCE
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@echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
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@echo 'Only the xipImage target is available in this case'
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@false
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else
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$(obj)/xipImage: FORCE
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@echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
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@false
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$(obj)/Image: vmlinux FORCE
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$(call if_changed,objcopy)
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targets += Image.gz Image.lz4
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$(obj)/Image.gz: $(obj)/Image FORCE
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$(call if_changed,gzip)
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$(obj)/Image.lz4: $(obj)/Image FORCE
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$(call if_changed,lz4c)
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$(obj)/compressed/vmlinux: $(obj)/Image FORCE
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$(Q)$(MAKE) $(build)=$(obj)/compressed $@
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$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
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$(call if_changed,objcopy)
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endif
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ifneq ($(LOADADDR),)
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UIMAGE_LOADADDR=$(LOADADDR)
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else
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ifeq ($(CONFIG_ZBOOT_ROM),y)
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UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
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else
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UIMAGE_LOADADDR=$(ZRELADDR)
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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 \
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echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \
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echo 'This is incompatible with uImages'; \
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echo 'Specify LOADADDR on the commandline to build an uImage'; \
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false; \
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fi
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$(obj)/uImage: $(obj)/zImage FORCE
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@$(check_for_multiple_loadaddr)
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$(call if_changed,uimage)
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$(obj)/bootp/bootp: $(obj)/zImage FORCE
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$(Q)$(MAKE) $(build)=$(obj)/bootp $@
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$(obj)/bootpImage: $(obj)/bootp/bootp FORCE
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$(call if_changed,objcopy)
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subdir- := bootp compressed dts
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