2 # arch/arm/boot/Makefile
4 # This file is included by the global makefile so that you can add your own
5 # architecture-specific flags and dependencies.
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
11 # Copyright (C) 1995-2002 Russell King
14 MKIMAGE := $(srctree)/scripts/mkuboot.sh
17 include $(srctree)/$(MACHINE)/Makefile.boot
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
24 ZRELADDR := $(zreladdr-y)
25 PARAMS_PHYS := $(params_phys-y)
26 INITRD_PHYS := $(initrd_phys-y)
28 export ZRELADDR INITRD_PHYS PARAMS_PHYS
30 targets := Image zImage xipImage bootpImage uImage
32 ifeq ($(CONFIG_XIP_KERNEL),y)
34 $(obj)/xipImage: vmlinux FORCE
35 $(call if_changed,objcopy)
36 @echo ' Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
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'
45 $(obj)/xipImage: FORCE
46 @echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
49 $(obj)/Image: vmlinux FORCE
50 $(call if_changed,objcopy)
51 @echo ' Kernel: $@ is ready'
53 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
54 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
56 $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
57 $(call if_changed,objcopy)
58 @echo ' Kernel: $@ is ready'
62 # Rule to build device tree blobs
63 $(obj)/%.dtb: $(src)/dts/%.dts
66 $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
70 quiet_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 $< $@
75 ifeq ($(CONFIG_ZBOOT_ROM),y)
76 $(obj)/uImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
78 $(obj)/uImage: LOADADDR=$(ZRELADDR)
81 $(obj)/uImage: STARTADDR=$(LOADADDR)
83 check_for_multiple_loadaddr = \
84 if [ $(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'; \
91 $(obj)/uImage: $(obj)/zImage FORCE
92 @$(check_for_multiple_loadaddr)
93 $(call if_changed,uimage)
94 @echo ' Image $@ is ready'
96 $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
97 $(Q)$(MAKE) $(build)=$(obj)/bootp $@
100 $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
101 $(call if_changed,objcopy)
102 @echo ' Kernel: $@ is ready'
104 PHONY += initrd FORCE
106 @test "$(INITRD_PHYS)" != "" || \
107 (echo This machine does not support INITRD; exit -1)
108 @test "$(INITRD)" != "" || \
109 (echo You must specify INITRD; exit -1)
111 install: $(obj)/Image
112 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
113 $(obj)/Image System.map "$(INSTALL_PATH)"
115 zinstall: $(obj)/zImage
116 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
117 $(obj)/zImage System.map "$(INSTALL_PATH)"
119 uinstall: $(obj)/uImage
120 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
121 $(obj)/uImage System.map "$(INSTALL_PATH)"
124 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
125 $(obj)/zImage System.map "$(INSTALL_PATH)"
128 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
129 $(obj)/Image System.map "$(INSTALL_PATH)"
131 subdir- := bootp compressed