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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#
13OBJCOPYFLAGS :=-O binary -R .comment -S
14
15# ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)
16ifdef CONFIG_PHYS_OFFSET
17add_hex = $(shell printf 0x%x $$(( $(1) + $(2) )) )
18ZRELADDR := $(call add_hex, $(CONFIG_PHYS_OFFSET), $(TEXT_OFFSET))
19endif
20
21PHYS_OFFSET := $(CONFIG_PHYS_OFFSET)
22export ZRELADDR PARAMS_PHYS PHYS_OFFSET
23
24targets := Image zImage xipImage bootpImage uImage
25
26ifeq ($(CONFIG_XIP_KERNEL),y)
27
28cmd_deflate_xip_data = $(CONFIG_SHELL) -c '$(src)/deflate_xip_data.sh $< $@'
29
30ifeq ($(CONFIG_XIP_DEFLATED_DATA),y)
31quiet_cmd_mkxip = XIPZ $@
32cmd_mkxip = $(cmd_objcopy) && $(cmd_deflate_xip_data)
33else
34quiet_cmd_mkxip = $(quiet_cmd_objcopy)
35cmd_mkxip = $(cmd_objcopy)
36endif
37
38$(obj)/xipImage: vmlinux FORCE
39 $(call if_changed,mkxip)
40 @$(kecho) ' Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)'
41
42$(obj)/Image $(obj)/zImage: FORCE
43 @echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
44 @echo 'Only the xipImage target is available in this case'
45 @false
46
47else
48
49$(obj)/xipImage: FORCE
50 @echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
51 @false
52
53$(obj)/Image: vmlinux FORCE
54 $(call if_changed,objcopy)
55
56$(obj)/compressed/vmlinux: $(obj)/Image FORCE
57 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
58
59$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
60 $(call if_changed,objcopy)
61
62endif
63
64ifneq ($(LOADADDR),)
65 UIMAGE_LOADADDR=$(LOADADDR)
66else
67 ifeq ($(CONFIG_ZBOOT_ROM),y)
68 UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
69 else
70 UIMAGE_LOADADDR=$(ZRELADDR)
71 endif
72endif
73
74check_for_multiple_loadaddr = \
75if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \
76 echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \
77 echo 'This is incompatible with uImages'; \
78 echo 'Specify LOADADDR on the commandline to build an uImage'; \
79 false; \
80fi
81
82$(obj)/uImage: $(obj)/zImage FORCE
83 @$(check_for_multiple_loadaddr)
84 $(call if_changed,uimage)
85
86$(obj)/bootp/bootp: $(obj)/zImage FORCE
87 $(Q)$(MAKE) $(build)=$(obj)/bootp $@
88
89$(obj)/bootpImage: $(obj)/bootp/bootp FORCE
90 $(call if_changed,objcopy)
91
92subdir- := bootp compressed dts
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
81$(obj)/uImage: $(obj)/zImage FORCE
82 $(call if_changed,uimage)
83 @echo ' Image $@ is ready'
84
85$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
86 $(Q)$(MAKE) $(build)=$(obj)/bootp $@
87 @:
88
89$(obj)/bootpImage: $(obj)/bootp/bootp FORCE
90 $(call if_changed,objcopy)
91 @echo ' Kernel: $@ is ready'
92
93PHONY += initrd FORCE
94initrd:
95 @test "$(INITRD_PHYS)" != "" || \
96 (echo This machine does not support INITRD; exit -1)
97 @test "$(INITRD)" != "" || \
98 (echo You must specify INITRD; exit -1)
99
100install: $(obj)/Image
101 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
102 $(obj)/Image System.map "$(INSTALL_PATH)"
103
104zinstall: $(obj)/zImage
105 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
106 $(obj)/zImage System.map "$(INSTALL_PATH)"
107
108uinstall: $(obj)/uImage
109 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
110 $(obj)/uImage System.map "$(INSTALL_PATH)"
111
112zi:
113 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
114 $(obj)/zImage System.map "$(INSTALL_PATH)"
115
116i:
117 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
118 $(obj)/Image System.map "$(INSTALL_PATH)"
119
120subdir- := bootp compressed