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 14MKIMAGE := $(srctree)/scripts/mkuboot.sh 15 16ifneq ($(MACHINE),) 17include $(srctree)/$(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 34$(obj)/xipImage: vmlinux FORCE 35 $(call if_changed,objcopy) 36 @echo ' 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 @echo ' 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 @echo ' Kernel: $@ is ready' 59 60endif 61 62# Rule to build device tree blobs 63$(obj)/%.dtb: $(src)/dts/%.dts 64 $(call cmd,dtc) 65 66$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) 67 68clean-files := *.dtb 69 70quiet_cmd_uimage = UIMAGE $@ 71 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \ 72 -C none -a $(LOADADDR) -e $(STARTADDR) \ 73 -n 'Linux-$(KERNELRELEASE)' -d $< $@ 74 75ifeq ($(CONFIG_ZBOOT_ROM),y) 76$(obj)/uImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT) 77else 78$(obj)/uImage: LOADADDR=$(ZRELADDR) 79endif 80 81$(obj)/uImage: STARTADDR=$(LOADADDR) 82 83check_for_multiple_loadaddr = \ 84if [ $(words $(LOADADDR)) -gt 1 ]; then \ 85 echo 'multiple load addresses: $(LOADADDR)'; \ 86 echo 'This is incompatible with uImages'; \ 87 echo 'Specify LOADADDR on the commandline to build an uImage'; \ 88 false; \ 89fi 90 91$(obj)/uImage: $(obj)/zImage FORCE 92 @$(check_for_multiple_loadaddr) 93 $(call if_changed,uimage) 94 @echo ' Image $@ is ready' 95 96$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE 97 $(Q)$(MAKE) $(build)=$(obj)/bootp $@ 98 @: 99 100$(obj)/bootpImage: $(obj)/bootp/bootp FORCE 101 $(call if_changed,objcopy) 102 @echo ' Kernel: $@ is ready' 103 104PHONY += initrd FORCE 105initrd: 106 @test "$(INITRD_PHYS)" != "" || \ 107 (echo This machine does not support INITRD; exit -1) 108 @test "$(INITRD)" != "" || \ 109 (echo You must specify INITRD; exit -1) 110 111install: $(obj)/Image 112 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 113 $(obj)/Image System.map "$(INSTALL_PATH)" 114 115zinstall: $(obj)/zImage 116 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 117 $(obj)/zImage System.map "$(INSTALL_PATH)" 118 119uinstall: $(obj)/uImage 120 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 121 $(obj)/uImage System.map "$(INSTALL_PATH)" 122 123zi: 124 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 125 $(obj)/zImage System.map "$(INSTALL_PATH)" 126 127i: 128 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 129 $(obj)/Image System.map "$(INSTALL_PATH)" 130 131subdir- := bootp compressed 132