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