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
15 include $(srctree)/$(MACHINE)/Makefile.boot
18 include $(srctree)/arch/arm/boot/dts/Makefile
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 $(kecho) ' 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 $(kecho) ' 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 $(kecho) ' Kernel: $@ is ready'
64 # Rule to build device tree blobs
65 $(obj)/%.dtb: $(src)/dts/%.dts FORCE
66 $(call if_changed_dep,dtc)
68 $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
73 UIMAGE_LOADADDR=$(LOADADDR)
75 ifeq ($(CONFIG_ZBOOT_ROM),y)
76 UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
78 UIMAGE_LOADADDR=$(ZRELADDR)
82 check_for_multiple_loadaddr = \
83 if [ $(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'; \
90 $(obj)/uImage: $(obj)/zImage FORCE
91 @$(check_for_multiple_loadaddr)
92 $(call if_changed,uimage)
93 $(kecho) ' Image $@ is ready'
95 $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
96 $(Q)$(MAKE) $(build)=$(obj)/bootp $@
99 $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
100 $(call if_changed,objcopy)
101 $(kecho) ' Kernel: $@ is ready'
103 PHONY += initrd FORCE
105 @test "$(INITRD_PHYS)" != "" || \
106 (echo This machine does not support INITRD; exit -1)
107 @test "$(INITRD)" != "" || \
108 (echo You must specify INITRD; exit -1)
110 install: $(obj)/Image
111 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
112 $(obj)/Image System.map "$(INSTALL_PATH)"
114 zinstall: $(obj)/zImage
115 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
116 $(obj)/zImage System.map "$(INSTALL_PATH)"
118 uinstall: $(obj)/uImage
119 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
120 $(obj)/uImage System.map "$(INSTALL_PATH)"
123 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
124 $(obj)/zImage System.map "$(INSTALL_PATH)"
127 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
128 $(obj)/Image System.map "$(INSTALL_PATH)"
130 subdir- := bootp compressed