1# 2# arch/arm/boot/Makefile 3# 4# This file is included by the global makefile so that you can add your own 5# architecture-specific flags and dependencies. 6# 7# This file is subject to the terms and conditions of the GNU General Public 8# License. See the file "COPYING" in the main directory of this archive 9# for more details. 10# 11# Copyright (C) 1995-2002 Russell King 12# 13 14OBJCOPYFLAGS :=-O binary -R .comment -S 15 16ifneq ($(MACHINE),) 17include $(MACHINE)/Makefile.boot 18endif 19 20# Note: the following conditions must always be true: 21# ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET) 22# PARAMS_PHYS must be within 4MB of ZRELADDR 23# INITRD_PHYS must be in RAM 24ZRELADDR := $(zreladdr-y) 25PARAMS_PHYS := $(params_phys-y) 26INITRD_PHYS := $(initrd_phys-y) 27 28export ZRELADDR INITRD_PHYS PARAMS_PHYS 29 30targets := Image zImage xipImage bootpImage uImage 31 32ifeq ($(CONFIG_XIP_KERNEL),y) 33 34cmd_deflate_xip_data = $(CONFIG_SHELL) -c \ 35 '$(srctree)/$(src)/deflate_xip_data.sh $< $@' 36 37ifeq ($(CONFIG_XIP_DEFLATED_DATA),y) 38quiet_cmd_mkxip = XIPZ $@ 39cmd_mkxip = $(cmd_objcopy) && $(cmd_deflate_xip_data) 40else 41quiet_cmd_mkxip = $(quiet_cmd_objcopy) 42cmd_mkxip = $(cmd_objcopy) 43endif 44 45$(obj)/xipImage: vmlinux FORCE 46 $(call if_changed,mkxip) 47 @$(kecho) ' Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)' 48 49$(obj)/Image $(obj)/zImage: FORCE 50 @echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)' 51 @echo 'Only the xipImage target is available in this case' 52 @false 53 54else 55 56$(obj)/xipImage: FORCE 57 @echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)' 58 @false 59 60$(obj)/Image: vmlinux FORCE 61 $(call if_changed,objcopy) 62 63$(obj)/compressed/vmlinux: $(obj)/Image FORCE 64 $(Q)$(MAKE) $(build)=$(obj)/compressed $@ 65 66$(obj)/zImage: $(obj)/compressed/vmlinux FORCE 67 $(call if_changed,objcopy) 68 69endif 70 71ifneq ($(LOADADDR),) 72 UIMAGE_LOADADDR=$(LOADADDR) 73else 74 ifeq ($(CONFIG_ZBOOT_ROM),y) 75 UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT) 76 else 77 UIMAGE_LOADADDR=$(ZRELADDR) 78 endif 79endif 80 81check_for_multiple_loadaddr = \ 82if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \ 83 echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \ 84 echo 'This is incompatible with uImages'; \ 85 echo 'Specify LOADADDR on the commandline to build an uImage'; \ 86 false; \ 87fi 88 89$(obj)/uImage: $(obj)/zImage FORCE 90 @$(check_for_multiple_loadaddr) 91 $(call if_changed,uimage) 92 93$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE 94 $(Q)$(MAKE) $(build)=$(obj)/bootp $@ 95 96$(obj)/bootpImage: $(obj)/bootp/bootp FORCE 97 $(call if_changed,objcopy) 98 99PHONY += initrd 100initrd: 101 @test "$(INITRD_PHYS)" != "" || \ 102 (echo This machine does not support INITRD; exit -1) 103 @test "$(INITRD)" != "" || \ 104 (echo You must specify INITRD; exit -1) 105 106subdir- := bootp compressed dts 107