arm64: Build infrastructure
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm64 / Makefile
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CM
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