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