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 33CHECKFLAGS += -D__aarch64__ 34 35# Default value 36head-y := arch/arm64/kernel/head.o 37 38# The byte offset of the kernel image in RAM from the start of RAM. 39ifeq ($(CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET), y) 40TEXT_OFFSET := $(shell awk 'BEGIN {srand(); printf "0x%03x000\n", int(512 * rand())}') 41else 42TEXT_OFFSET := 0x00080000 43endif 44 45export TEXT_OFFSET GZFLAGS 46 47core-y += arch/arm64/kernel/ arch/arm64/mm/ 48core-$(CONFIG_NET) += arch/arm64/net/ 49core-$(CONFIG_KVM) += arch/arm64/kvm/ 50core-$(CONFIG_XEN) += arch/arm64/xen/ 51core-$(CONFIG_CRYPTO) += arch/arm64/crypto/ 52libs-y := arch/arm64/lib/ $(libs-y) 53libs-y += $(LIBGCC) 54libs-$(CONFIG_EFI_STUB) += drivers/firmware/efi/libstub/ 55 56# Default target when executing plain make 57KBUILD_IMAGE := Image.gz 58KBUILD_DTBS := dtbs 59 60all: $(KBUILD_IMAGE) $(KBUILD_DTBS) 61 62boot := arch/arm64/boot 63 64Image Image.gz: vmlinux 65 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 66 67zinstall install: vmlinux 68 $(Q)$(MAKE) $(build)=$(boot) $@ 69 70%.dtb: scripts 71 $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@ 72 73PHONY += dtbs dtbs_install 74 75dtbs: prepare scripts 76 $(Q)$(MAKE) $(build)=$(boot)/dts 77 78dtbs_install: 79 $(Q)$(MAKE) $(dtbinst)=$(boot)/dts 80 81PHONY += vdso_install 82vdso_install: 83 $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@ 84 85# We use MRPROPER_FILES and CLEAN_FILES now 86archclean: 87 $(Q)$(MAKE) $(clean)=$(boot) 88 89define archhelp 90 echo '* Image.gz - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)' 91 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' 92 echo '* dtbs - Build device tree blobs for enabled boards' 93 echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)' 94 echo ' install - Install uncompressed kernel' 95 echo ' zinstall - Install compressed kernel' 96 echo ' Install using (your) ~/bin/installkernel or' 97 echo ' (distribution) /sbin/installkernel or' 98 echo ' install to $$(INSTALL_PATH) and run lilo' 99endef 100