xref: /openbmc/linux/arch/arm64/Makefile (revision 8a26af30) 
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) $(KBUILD_CFLAGS) -print-libgcc-file-name)
19
20KBUILD_DEFCONFIG := defconfig
21
22KBUILD_CFLAGS	+= -mgeneral-regs-only
23ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
24KBUILD_CPPFLAGS	+= -mbig-endian
25AS		+= -EB
26LD		+= -EB
27else
28KBUILD_CPPFLAGS	+= -mlittle-endian
29AS		+= -EL
30LD		+= -EL
31endif
32
33comma = ,
34
35CHECKFLAGS	+= -D__aarch64__
36
37# Default value
38head-y		:= arch/arm64/kernel/head.o
39
40# The byte offset of the kernel image in RAM from the start of RAM.
41TEXT_OFFSET := 0x00080000
42
43export	TEXT_OFFSET GZFLAGS
44
45core-y		+= arch/arm64/kernel/ arch/arm64/mm/
46core-$(CONFIG_KVM) += arch/arm64/kvm/
47core-$(CONFIG_XEN) += arch/arm64/xen/
48core-$(CONFIG_CRYPTO) += arch/arm64/crypto/
49libs-y		:= arch/arm64/lib/ $(libs-y)
50libs-y		+= $(LIBGCC)
51
52# Default target when executing plain make
53KBUILD_IMAGE	:= Image.gz
54KBUILD_DTBS	:= dtbs
55
56all:	$(KBUILD_IMAGE) $(KBUILD_DTBS)
57
58boot := arch/arm64/boot
59
60Image Image.gz: vmlinux
61	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
62
63zinstall install: vmlinux
64	$(Q)$(MAKE) $(build)=$(boot) $@
65
66%.dtb: scripts
67	$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
68
69dtbs: scripts
70	$(Q)$(MAKE) $(build)=$(boot)/dts dtbs
71
72PHONY += vdso_install
73vdso_install:
74	$(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@
75
76# We use MRPROPER_FILES and CLEAN_FILES now
77archclean:
78	$(Q)$(MAKE) $(clean)=$(boot)
79
80define archhelp
81  echo  '* Image.gz      - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)'
82  echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
83  echo  '* dtbs          - Build device tree blobs for enabled boards'
84  echo  '  install       - Install uncompressed kernel'
85  echo  '  zinstall      - Install compressed kernel'
86  echo  '                  Install using (your) ~/bin/installkernel or'
87  echo  '                  (distribution) /sbin/installkernel or'
88  echo  '                  install to $$(INSTALL_PATH) and run lilo'
89endef
90