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. 41ifeq ($(CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET), y) 42TEXT_OFFSET := $(shell awk 'BEGIN {srand(); printf "0x%03x000\n", int(512 * rand())}') 43else 44TEXT_OFFSET := 0x00080000 45endif 46 47export TEXT_OFFSET GZFLAGS 48 49core-y += arch/arm64/kernel/ arch/arm64/mm/ 50core-$(CONFIG_KVM) += arch/arm64/kvm/ 51core-$(CONFIG_XEN) += arch/arm64/xen/ 52core-$(CONFIG_CRYPTO) += arch/arm64/crypto/ 53libs-y := arch/arm64/lib/ $(libs-y) 54libs-y += $(LIBGCC) 55libs-$(CONFIG_EFI_STUB) += drivers/firmware/efi/libstub/ 56 57# Default target when executing plain make 58KBUILD_IMAGE := Image.gz 59KBUILD_DTBS := dtbs 60 61all: $(KBUILD_IMAGE) $(KBUILD_DTBS) 62 63boot := arch/arm64/boot 64 65Image Image.gz: vmlinux 66 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 67 68zinstall install: vmlinux 69 $(Q)$(MAKE) $(build)=$(boot) $@ 70 71%.dtb: scripts 72 $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@ 73 74dtbs: scripts 75 $(Q)$(MAKE) $(build)=$(boot)/dts dtbs 76 77PHONY += vdso_install 78vdso_install: 79 $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@ 80 81# 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)' 88 echo '* dtbs - Build device tree blobs for enabled boards' 89 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 95