summaryrefslogtreecommitdiff
path: root/arch/arm/boot/Makefile
blob: 50f8d1be7fcbe7cdcecb37f54f2b24f514a65974 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
#
# arch/arm/boot/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies.
#
# This file is subject to the terms and conditions of the GNU General Public
# License.  See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 1995-2002 Russell King
#

OBJCOPYFLAGS	:=-O binary -R .comment -S

ifneq ($(MACHINE),)
include $(MACHINE)/Makefile.boot
endif

# Note: the following conditions must always be true:
#   ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)
#   PARAMS_PHYS must be within 4MB of ZRELADDR
#   INITRD_PHYS must be in RAM
ZRELADDR    := $(zreladdr-y)
PARAMS_PHYS := $(params_phys-y)
INITRD_PHYS := $(initrd_phys-y)

export ZRELADDR INITRD_PHYS PARAMS_PHYS

targets := Image zImage xipImage bootpImage uImage

ifeq ($(CONFIG_XIP_KERNEL),y)

$(obj)/xipImage: vmlinux FORCE
	$(call if_changed,objcopy)
	@$(kecho) '  Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)'

$(obj)/Image $(obj)/zImage: FORCE
	@echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
	@echo 'Only the xipImage target is available in this case'
	@false

else

$(obj)/xipImage: FORCE
	@echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
	@false

$(obj)/Image: vmlinux FORCE
	$(call if_changed,objcopy)

$(obj)/compressed/vmlinux: $(obj)/Image FORCE
	$(Q)$(MAKE) $(build)=$(obj)/compressed $@

$(obj)/zImage:	$(obj)/compressed/vmlinux FORCE
	$(call if_changed,objcopy)

endif

ifneq ($(LOADADDR),)
  UIMAGE_LOADADDR=$(LOADADDR)
else
  ifeq ($(CONFIG_ZBOOT_ROM),y)
    UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
  else
    UIMAGE_LOADADDR=$(ZRELADDR)
  endif
endif

check_for_multiple_loadaddr = \
if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \
	echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \
	echo 'This is incompatible with uImages'; \
	echo 'Specify LOADADDR on the commandline to build an uImage'; \
	false; \
fi

$(obj)/uImage:	$(obj)/zImage FORCE
	@$(check_for_multiple_loadaddr)
	$(call if_changed,uimage)

$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
	$(Q)$(MAKE) $(build)=$(obj)/bootp $@

$(obj)/bootpImage: $(obj)/bootp/bootp FORCE
	$(call if_changed,objcopy)

PHONY += initrd install zinstall uinstall
initrd:
	@test "$(INITRD_PHYS)" != "" || \
	(echo This machine does not support INITRD; exit -1)
	@test "$(INITRD)" != "" || \
	(echo You must specify INITRD; exit -1)

install:
	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
	$(obj)/Image System.map "$(INSTALL_PATH)"

zinstall:
	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
	$(obj)/zImage System.map "$(INSTALL_PATH)"

uinstall:
	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \
	$(obj)/uImage System.map "$(INSTALL_PATH)"

subdir-	    := bootp compressed dts