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
93