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'
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))
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 $(obj)/uImage: $(obj)/zImage FORCE
84 $(call if_changed,uimage)
85 @echo ' Image $@ is ready'
87 $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
88 $(Q)$(MAKE) $(build)=$(obj)/bootp $@
91 $(obj)/bootpImage: $(obj)/bootp/bootp FORCE
92 $(call if_changed,objcopy)
93 @echo ' Kernel: $@ is ready'
97 @test "$(INITRD_PHYS)" != "" || \
98 (echo This machine does not support INITRD; exit -1)
99 @test "$(INITRD)" != "" || \
100 (echo You must specify INITRD; exit -1)
102 install: $(obj)/Image
103 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
104 $(obj)/Image System.map "$(INSTALL_PATH)"
106 zinstall: $(obj)/zImage
107 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
108 $(obj)/zImage System.map "$(INSTALL_PATH)"
110 uinstall: $(obj)/uImage
111 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
112 $(obj)/uImage System.map "$(INSTALL_PATH)"
115 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
116 $(obj)/zImage System.map "$(INSTALL_PATH)"
119 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
120 $(obj)/Image System.map "$(INSTALL_PATH)"
122 subdir- := bootp compressed