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 19include $(srctree)/arch/arm/boot/dts/Makefile 20 21# Note: the following conditions must always be true: 22# ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET) 23# PARAMS_PHYS must be within 4MB of ZRELADDR 24# INITRD_PHYS must be in RAM 25ZRELADDR := $(zreladdr-y) 26PARAMS_PHYS := $(params_phys-y) 27INITRD_PHYS := $(initrd_phys-y) 28 29export ZRELADDR INITRD_PHYS PARAMS_PHYS 30 31targets := Image zImage xipImage bootpImage uImage 32 33DTB_NAMES := $(subst $\",,$(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE_NAMES)) 34ifneq ($(DTB_NAMES),) 35DTB_LIST := $(addsuffix .dtb,$(DTB_NAMES)) 36else 37DTB_LIST := $(dtb-y) 38endif 39DTB_OBJS := $(addprefix $(obj)/dts/,$(DTB_LIST)) 40 41ifeq ($(CONFIG_XIP_KERNEL),y) 42 43$(obj)/xipImage: vmlinux FORCE 44 $(call if_changed,objcopy) 45 @$(kecho) ' Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)' 46 47$(obj)/Image $(obj)/zImage: FORCE 48 @echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)' 49 @echo 'Only the xipImage target is available in this case' 50 @false 51 52else 53 54$(obj)/xipImage: FORCE 55 @echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)' 56 @false 57 58$(obj)/Image: vmlinux FORCE 59 $(call if_changed,objcopy) 60 61$(obj)/compressed/vmlinux: $(obj)/Image FORCE 62 $(Q)$(MAKE) $(build)=$(obj)/compressed $@ 63 64$(obj)/zImage: $(obj)/compressed/vmlinux FORCE 65 $(call if_changed,objcopy) 66 67$(obj)/zImage-dtb: $(obj)/zImage $(DTB_OBJS) FORCE 68 $(call if_changed,cat) 69 @echo ' Kernel: $@ is ready' 70 71endif 72 73ifneq ($(LOADADDR),) 74 UIMAGE_LOADADDR=$(LOADADDR) 75else 76 ifeq ($(CONFIG_ZBOOT_ROM),y) 77 UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT) 78 else 79 UIMAGE_LOADADDR=$(ZRELADDR) 80 endif 81endif 82 83check_for_multiple_loadaddr = \ 84if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \ 85 echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \ 86 echo 'This is incompatible with uImages'; \ 87 echo 'Specify LOADADDR on the commandline to build an uImage'; \ 88 false; \ 89fi 90 91$(obj)/uImage: $(obj)/zImage FORCE 92 @$(check_for_multiple_loadaddr) 93 $(call if_changed,uimage) 94 95$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE 96 $(Q)$(MAKE) $(build)=$(obj)/bootp $@ 97 98$(obj)/bootpImage: $(obj)/bootp/bootp FORCE 99 $(call if_changed,objcopy) 100 101PHONY += initrd install zinstall uinstall 102initrd: 103 @test "$(INITRD_PHYS)" != "" || \ 104 (echo This machine does not support INITRD; exit -1) 105 @test "$(INITRD)" != "" || \ 106 (echo You must specify INITRD; exit -1) 107 108install: 109 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ 110 $(obj)/Image System.map "$(INSTALL_PATH)" 111 112zinstall: 113 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ 114 $(obj)/zImage System.map "$(INSTALL_PATH)" 115 116uinstall: 117 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ 118 $(obj)/uImage System.map "$(INSTALL_PATH)" 119 120subdir- := bootp compressed dts 121