arm64: dts: Add X-Gene reboot driver dts node
[linux-2.6-block.git] / arch / arm64 / Makefile
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CommitLineData
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
18KBUILD_DEFCONFIG := defconfig
19
20# Check for binutils support for specific extensions
21lseinstr := $(call as-instr,.arch_extension lse,-DCONFIG_AS_LSE=1)
22
23ifeq ($(CONFIG_ARM64_LSE_ATOMICS), y)
24 ifeq ($(lseinstr),)
25$(warning LSE atomics not supported by binutils)
26 endif
27endif
28
29KBUILD_CFLAGS += -mgeneral-regs-only $(lseinstr)
30KBUILD_AFLAGS += $(lseinstr)
31
32ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
33KBUILD_CPPFLAGS += -mbig-endian
34AS += -EB
35LD += -EB
36else
37KBUILD_CPPFLAGS += -mlittle-endian
38AS += -EL
39LD += -EL
40endif
41
42CHECKFLAGS += -D__aarch64__
43
44# Default value
45head-y := arch/arm64/kernel/head.o
46
47# The byte offset of the kernel image in RAM from the start of RAM.
48ifeq ($(CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET), y)
49TEXT_OFFSET := $(shell awk 'BEGIN {srand(); printf "0x%03x000\n", int(512 * rand())}')
50else
51TEXT_OFFSET := 0x00080000
52endif
53
54export TEXT_OFFSET GZFLAGS
55
56core-y += arch/arm64/kernel/ arch/arm64/mm/
57core-$(CONFIG_NET) += arch/arm64/net/
58core-$(CONFIG_KVM) += arch/arm64/kvm/
59core-$(CONFIG_XEN) += arch/arm64/xen/
60core-$(CONFIG_CRYPTO) += arch/arm64/crypto/
61libs-y := arch/arm64/lib/ $(libs-y)
62core-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
63
64# Default target when executing plain make
65KBUILD_IMAGE := Image.gz
66KBUILD_DTBS := dtbs
67
68all: $(KBUILD_IMAGE) $(KBUILD_DTBS)
69
70boot := arch/arm64/boot
71
72Image: vmlinux
73 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
74
75Image.%: vmlinux
76 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
77
78zinstall install: vmlinux
79 $(Q)$(MAKE) $(build)=$(boot) $@
80
81%.dtb: scripts
82 $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
83
84PHONY += dtbs dtbs_install
85
86dtbs: prepare scripts
87 $(Q)$(MAKE) $(build)=$(boot)/dts
88
89dtbs_install:
90 $(Q)$(MAKE) $(dtbinst)=$(boot)/dts
91
92PHONY += vdso_install
93vdso_install:
94 $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@
95
96# We use MRPROPER_FILES and CLEAN_FILES now
97archclean:
98 $(Q)$(MAKE) $(clean)=$(boot)
99 $(Q)$(MAKE) $(clean)=$(boot)/dts
100
101define archhelp
102 echo '* Image.gz - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)'
103 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
104 echo '* dtbs - Build device tree blobs for enabled boards'
105 echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
106 echo ' install - Install uncompressed kernel'
107 echo ' zinstall - Install compressed kernel'
108 echo ' Install using (your) ~/bin/installkernel or'
109 echo ' (distribution) /sbin/installkernel or'
110 echo ' install to $$(INSTALL_PATH) and run lilo'
111endef