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Catalin Marinas8c2c3df2012-04-20 14:45:54 +01001#
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) $(KBUILD_CFLAGS) -print-libgcc-file-name)
19
20KBUILD_DEFCONFIG := defconfig
21
22KBUILD_CFLAGS += -mgeneral-regs-only
Will Deacona0974e62013-10-11 14:52:08 +010023ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
24KBUILD_CPPFLAGS += -mbig-endian
25AS += -EB
26LD += -EB
27else
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010028KBUILD_CPPFLAGS += -mlittle-endian
29AS += -EL
30LD += -EL
Will Deacona0974e62013-10-11 14:52:08 +010031endif
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010032
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.
Mark Rutlandda57a362014-06-24 16:51:37 +010041ifeq ($(CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET), y)
Ard Biesheuvel41903122014-08-13 18:53:03 +010042TEXT_OFFSET := $(shell awk 'BEGIN {srand(); printf "0x%03x000\n", int(512 * rand())}')
Mark Rutlandda57a362014-06-24 16:51:37 +010043else
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010044TEXT_OFFSET := 0x00080000
Mark Rutlandda57a362014-06-24 16:51:37 +010045endif
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010046
47export TEXT_OFFSET GZFLAGS
48
49core-y += arch/arm64/kernel/ arch/arm64/mm/
Marc Zyngier62117532012-12-10 16:41:44 +000050core-$(CONFIG_KVM) += arch/arm64/kvm/
Catalin Marinas63917f02013-06-12 16:48:38 +010051core-$(CONFIG_XEN) += arch/arm64/xen/
Ard Biesheuvel2c988332014-03-06 16:23:33 +080052core-$(CONFIG_CRYPTO) += arch/arm64/crypto/
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010053libs-y := arch/arm64/lib/ $(libs-y)
54libs-y += $(LIBGCC)
Ard Biesheuvelf4f75ad52014-07-02 14:54:43 +020055libs-$(CONFIG_EFI_STUB) += drivers/firmware/efi/libstub/
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010056
57# Default target when executing plain make
Rob Herring70f915a2012-12-03 17:17:21 -060058KBUILD_IMAGE := Image.gz
59KBUILD_DTBS := dtbs
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010060
Rob Herring70f915a2012-12-03 17:17:21 -060061all: $(KBUILD_IMAGE) $(KBUILD_DTBS)
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010062
63boot := arch/arm64/boot
64
65Image Image.gz: vmlinux
Rob Herring70f915a2012-12-03 17:17:21 -060066 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010067
68zinstall install: vmlinux
Rob Herring70f915a2012-12-03 17:17:21 -060069 $(Q)$(MAKE) $(build)=$(boot) $@
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010070
Rob Herring70f915a2012-12-03 17:17:21 -060071%.dtb: scripts
72 $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
73
74dtbs: scripts
Catalin Marinas58fea352012-11-21 11:44:59 +000075 $(Q)$(MAKE) $(build)=$(boot)/dts dtbs
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010076
Kyle McMartin3c017422013-06-16 20:32:44 +010077PHONY += vdso_install
78vdso_install:
79 $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@
80
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010081# We use MRPROPER_FILES and CLEAN_FILES now
82archclean:
83 $(Q)$(MAKE) $(clean)=$(boot)
84
85define archhelp
86 echo '* Image.gz - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)'
87 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
Rob Herring70f915a2012-12-03 17:17:21 -060088 echo '* dtbs - Build device tree blobs for enabled boards'
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010089 echo ' install - Install uncompressed kernel'
90 echo ' zinstall - Install compressed kernel'
91 echo ' Install using (your) ~/bin/installkernel or'
92 echo ' (distribution) /sbin/installkernel or'
93 echo ' install to $$(INSTALL_PATH) and run lilo'
94endef