xref: /linux/arch/arm64/Makefile (revision 4413e16d9d21673bb5048a2e542f1aaa00015c2e)
1#
2# arch/arm64/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) 1995-2001 by Russell King
12
13LDFLAGS_vmlinux	:=-p --no-undefined -X
14CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
15OBJCOPYFLAGS	:=-O binary -R .note -R .note.gnu.build-id -R .comment -S
16GZFLAGS		:=-9
17
18LIBGCC 		:= $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
19
20KBUILD_DEFCONFIG := defconfig
21
22KBUILD_CFLAGS	+= -mgeneral-regs-only
23KBUILD_CPPFLAGS	+= -mlittle-endian
24AS		+= -EL
25LD		+= -EL
26
27comma = ,
28
29CHECKFLAGS	+= -D__aarch64__
30
31# Default value
32head-y		:= arch/arm64/kernel/head.o
33
34# The byte offset of the kernel image in RAM from the start of RAM.
35TEXT_OFFSET := 0x00080000
36
37export	TEXT_OFFSET GZFLAGS
38
39core-y		+= arch/arm64/kernel/ arch/arm64/mm/
40libs-y		:= arch/arm64/lib/ $(libs-y)
41libs-y		+= $(LIBGCC)
42
43# Default target when executing plain make
44KBUILD_IMAGE := Image.gz
45
46all:	$(KBUILD_IMAGE)
47
48boot := arch/arm64/boot
49
50Image Image.gz: vmlinux
51	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
52
53zinstall install: vmlinux
54	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
55
56%.dtb:
57	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
58
59# We use MRPROPER_FILES and CLEAN_FILES now
60archclean:
61	$(Q)$(MAKE) $(clean)=$(boot)
62
63define archhelp
64  echo  '* Image.gz      - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)'
65  echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
66  echo  '  install       - Install uncompressed kernel'
67  echo  '  zinstall      - Install compressed kernel'
68  echo  '                  Install using (your) ~/bin/installkernel or'
69  echo  '                  (distribution) /sbin/installkernel or'
70  echo  '                  install to $$(INSTALL_PATH) and run lilo'
71endef
72