Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 = $(CONFIG_SHELL) -c \
29 '$(srctree)/$(src)/deflate_xip_data.sh $< $@'
30
31ifeq ($(CONFIG_XIP_DEFLATED_DATA),y)
32quiet_cmd_mkxip = XIPZ $@
33cmd_mkxip = $(cmd_objcopy) && $(cmd_deflate_xip_data)
34else
35quiet_cmd_mkxip = $(quiet_cmd_objcopy)
36cmd_mkxip = $(cmd_objcopy)
37endif
38
39$(obj)/xipImage: vmlinux FORCE
40 $(call if_changed,mkxip)
41 @$(kecho) ' Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)'
42
43$(obj)/Image $(obj)/zImage: FORCE
44 @echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
45 @echo 'Only the xipImage target is available in this case'
46 @false
47
48else
49
50$(obj)/xipImage: FORCE
51 @echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
52 @false
53
54$(obj)/Image: vmlinux FORCE
55 $(call if_changed,objcopy)
56
57$(obj)/compressed/vmlinux: $(obj)/Image FORCE
58 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
59
60$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
61 $(call if_changed,objcopy)
62
63endif
64
65ifneq ($(LOADADDR),)
66 UIMAGE_LOADADDR=$(LOADADDR)
67else
68 ifeq ($(CONFIG_ZBOOT_ROM),y)
69 UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
70 else
71 UIMAGE_LOADADDR=$(ZRELADDR)
72 endif
73endif
74
75check_for_multiple_loadaddr = \
76if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then \
77 echo 'multiple (or no) load addresses: $(UIMAGE_LOADADDR)'; \
78 echo 'This is incompatible with uImages'; \
79 echo 'Specify LOADADDR on the commandline to build an uImage'; \
80 false; \
81fi
82
83$(obj)/uImage: $(obj)/zImage FORCE
84 @$(check_for_multiple_loadaddr)
85 $(call if_changed,uimage)
86
87$(obj)/bootp/bootp: $(obj)/zImage FORCE
88 $(Q)$(MAKE) $(build)=$(obj)/bootp $@
89
90$(obj)/bootpImage: $(obj)/bootp/bootp FORCE
91 $(call if_changed,objcopy)
92
93subdir- := bootp compressed dts