xref: /linux/arch/arm/boot/Makefile (revision d39d0ed196aa1685bb24771e92f78633c66ac9cb)
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),)
17-include $(srctree)/$(MACHINE)/Makefile.boot
18endif
19
20# Note: the following conditions must always be true:
21#   PARAMS_PHYS must be within 4MB of ZRELADDR
22#   INITRD_PHYS must be in RAM
23PARAMS_PHYS := $(params_phys-y)
24INITRD_PHYS := $(initrd_phys-y)
25
26export INITRD_PHYS PARAMS_PHYS
27
28targets := Image zImage xipImage bootpImage uImage
29
30ifeq ($(CONFIG_XIP_KERNEL),y)
31
32$(obj)/xipImage: vmlinux FORCE
33	$(call if_changed,objcopy)
34	@echo '  Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
35
36$(obj)/Image $(obj)/zImage: FORCE
37	@echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
38	@echo 'Only the xipImage target is available in this case'
39	@false
40
41else
42
43$(obj)/xipImage: FORCE
44	@echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
45	@false
46
47$(obj)/Image: vmlinux FORCE
48	$(call if_changed,objcopy)
49	@echo '  Kernel: $@ is ready'
50
51$(obj)/compressed/vmlinux: $(obj)/Image FORCE
52	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
53
54$(obj)/zImage:	$(obj)/compressed/vmlinux FORCE
55	$(call if_changed,objcopy)
56	@echo '  Kernel: $@ is ready'
57
58endif
59
60quiet_cmd_uimage = UIMAGE  $@
61      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
62		   -C none -a $(LOADADDR) -e $(STARTADDR) \
63		   -n 'Linux-$(KERNELRELEASE)' -d $< $@
64
65ifeq ($(CONFIG_ZBOOT_ROM),y)
66$(obj)/uImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
67else
68$(obj)/uImage: LOADADDR=$(CONFIG_ZRELADDR)
69endif
70
71ifeq ($(CONFIG_THUMB2_KERNEL),y)
72# Set bit 0 to 1 so that "mov pc, rx" switches to Thumb-2 mode
73$(obj)/uImage: STARTADDR=$(shell echo $(LOADADDR) | sed -e "s/.$$/1/")
74else
75$(obj)/uImage: STARTADDR=$(LOADADDR)
76endif
77
78$(obj)/uImage:	$(obj)/zImage FORCE
79	$(call if_changed,uimage)
80	@echo '  Image $@ is ready'
81
82$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
83	$(Q)$(MAKE) $(build)=$(obj)/bootp $@
84	@:
85
86$(obj)/bootpImage: $(obj)/bootp/bootp FORCE
87	$(call if_changed,objcopy)
88	@echo '  Kernel: $@ is ready'
89
90PHONY += initrd FORCE
91initrd:
92	@test "$(INITRD_PHYS)" != "" || \
93	(echo This machine does not support INITRD; exit -1)
94	@test "$(INITRD)" != "" || \
95	(echo You must specify INITRD; exit -1)
96
97install: $(obj)/Image
98	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
99	$(obj)/Image System.map "$(INSTALL_PATH)"
100
101zinstall: $(obj)/zImage
102	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
103	$(obj)/zImage System.map "$(INSTALL_PATH)"
104
105zi:
106	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
107	$(obj)/zImage System.map "$(INSTALL_PATH)"
108
109i:
110	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
111	$(obj)/Image System.map "$(INSTALL_PATH)"
112
113subdir-	    := bootp compressed
114