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 14ifneq ($(MACHINE),) 15include $(srctree)/$(MACHINE)/Makefile.boot 16endif 17 18include $(srctree)/arch/arm/boot/dts/Makefile 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 34$(obj)/xipImage: vmlinux FORCE 35 $(call if_changed,objcopy) 36 @$(kecho) ' Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))' 37 38$(obj)/Image $(obj)/zImage: FORCE 39 @echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)' 40 @echo 'Only the xipImage target is available in this case' 41 @false 42 43else 44 45$(obj)/xipImage: FORCE 46 @echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)' 47 @false 48 49$(obj)/Image: vmlinux FORCE 50 $(call if_changed,objcopy) 51 @$(kecho) ' Kernel: $@ is ready' 52 53$(obj)/compressed/vmlinux: $(obj)/Image FORCE 54 $(Q)$(MAKE) $(build)=$(obj)/compressed $@ 55 56$(obj)/zImage: $(obj)/compressed/vmlinux FORCE 57 $(call if_changed,objcopy) 58 @$(kecho) ' Kernel: $@ is ready' 59 60endif 61 62targets += $(dtb-y) 63 64# Rule to build device tree blobs 65$(obj)/%.dtb: $(src)/dts/%.dts FORCE 66 $(call if_changed_dep,dtc) 67 68$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) 69 70clean-files := *.dtb 71 72ifneq ($(LOADADDR),) 73 UIMAGE_LOADADDR=$(LOADADDR) 74else 75 ifeq ($(CONFIG_ZBOOT_ROM),y) 76 UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT) 77 else 78 UIMAGE_LOADADDR=$(ZRELADDR) 79 endif 80endif 81 82check_for_multiple_loadaddr = \ 83if [ $(words $(UIMAGE_LOADADDR)) -gt 1 ]; then \ 84 echo 'multiple load addresses: $(UIMAGE_LOADADDR)'; \ 85 echo 'This is incompatible with uImages'; \ 86 echo 'Specify LOADADDR on the commandline to build an uImage'; \ 87 false; \ 88fi 89 90$(obj)/uImage: $(obj)/zImage FORCE 91 @$(check_for_multiple_loadaddr) 92 $(call if_changed,uimage) 93 @$(kecho) ' Image $@ is ready' 94 95$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE 96 $(Q)$(MAKE) $(build)=$(obj)/bootp $@ 97 @: 98 99$(obj)/bootpImage: $(obj)/bootp/bootp FORCE 100 $(call if_changed,objcopy) 101 @$(kecho) ' Kernel: $@ is ready' 102 103PHONY += initrd FORCE 104initrd: 105 @test "$(INITRD_PHYS)" != "" || \ 106 (echo This machine does not support INITRD; exit -1) 107 @test "$(INITRD)" != "" || \ 108 (echo You must specify INITRD; exit -1) 109 110install: $(obj)/Image 111 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 112 $(obj)/Image System.map "$(INSTALL_PATH)" 113 114zinstall: $(obj)/zImage 115 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 116 $(obj)/zImage System.map "$(INSTALL_PATH)" 117 118uinstall: $(obj)/uImage 119 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 120 $(obj)/uImage System.map "$(INSTALL_PATH)" 121 122zi: 123 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 124 $(obj)/zImage System.map "$(INSTALL_PATH)" 125 126i: 127 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 128 $(obj)/Image System.map "$(INSTALL_PATH)" 129 130subdir- := bootp compressed 131