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=$(TEXT_OFFSET) 15OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S 16GZFLAGS :=-9 17 18KBUILD_DEFCONFIG := defconfig 19 20KBUILD_CFLAGS += -mgeneral-regs-only 21ifeq ($(CONFIG_CPU_BIG_ENDIAN), y) 22KBUILD_CPPFLAGS += -mbig-endian 23AS += -EB 24LD += -EB 25else 26KBUILD_CPPFLAGS += -mlittle-endian 27AS += -EL 28LD += -EL 29endif 30 31CHECKFLAGS += -D__aarch64__ 32 33# Default value 34head-y := arch/arm64/kernel/head.o 35 36# The byte offset of the kernel image in RAM from the start of RAM. 37ifeq ($(CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET), y) 38TEXT_OFFSET := $(shell awk 'BEGIN {srand(); printf "0x%03x000\n", int(512 * rand())}') 39else 40TEXT_OFFSET := 0x00080000 41endif 42 43export TEXT_OFFSET GZFLAGS 44 45core-y += arch/arm64/kernel/ arch/arm64/mm/ 46core-$(CONFIG_NET) += arch/arm64/net/ 47core-$(CONFIG_KVM) += arch/arm64/kvm/ 48core-$(CONFIG_XEN) += arch/arm64/xen/ 49core-$(CONFIG_CRYPTO) += arch/arm64/crypto/ 50libs-y := arch/arm64/lib/ $(libs-y) 51core-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a 52 53# Default target when executing plain make 54KBUILD_IMAGE := Image.gz 55KBUILD_DTBS := dtbs 56 57all: $(KBUILD_IMAGE) $(KBUILD_DTBS) 58 59boot := arch/arm64/boot 60 61Image Image.gz: vmlinux 62 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 63 64zinstall install: vmlinux 65 $(Q)$(MAKE) $(build)=$(boot) $@ 66 67%.dtb: scripts 68 $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@ 69 70PHONY += dtbs dtbs_install 71 72dtbs: prepare scripts 73 $(Q)$(MAKE) $(build)=$(boot)/dts 74 75dtbs_install: 76 $(Q)$(MAKE) $(dtbinst)=$(boot)/dts 77 78PHONY += vdso_install 79vdso_install: 80 $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@ 81 82# We use MRPROPER_FILES and CLEAN_FILES now 83archclean: 84 $(Q)$(MAKE) $(clean)=$(boot) 85 $(Q)$(MAKE) $(clean)=$(boot)/dts 86 87define archhelp 88 echo '* Image.gz - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)' 89 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' 90 echo '* dtbs - Build device tree blobs for enabled boards' 91 echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)' 92 echo ' install - Install uncompressed kernel' 93 echo ' zinstall - Install compressed kernel' 94 echo ' Install using (your) ~/bin/installkernel or' 95 echo ' (distribution) /sbin/installkernel or' 96 echo ' install to $$(INSTALL_PATH) and run lilo' 97endef 98