arch/arm64/Makefile

   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
  13 LDFLAGS_vmlinux :=-p --no-undefined -X
  14 CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
  15 OBJCOPYFLAGS    :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
  16 GZFLAGS         :=-9
  17
  18 KBUILD_DEFCONFIG := defconfig
  19
  20 KBUILD_CFLAGS   += -mgeneral-regs-only
  21 ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
  22 KBUILD_CPPFLAGS += -mbig-endian
  23 AS              += -EB
  24 LD              += -EB
  25 else
  26 KBUILD_CPPFLAGS += -mlittle-endian
  27 AS              += -EL
  28 LD              += -EL
  29 endif
  30
  31 CHECKFLAGS      += -D__aarch64__
  32
  33 # Default value
  34 head-y          := arch/arm64/kernel/head.o
  35
  36 # The byte offset of the kernel image in RAM from the start of RAM.
  37 ifeq ($(CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET), y)
  38 TEXT_OFFSET := $(shell awk 'BEGIN {srand(); printf "0x%03x000\n", int(512 * rand())}')
  39 else
  40 TEXT_OFFSET := 0x00080000
  41 endif
  42
  43 export  TEXT_OFFSET GZFLAGS
  44
  45 core-y          += arch/arm64/kernel/ arch/arm64/mm/
  46 core-$(CONFIG_NET) += arch/arm64/net/
  47 core-$(CONFIG_KVM) += arch/arm64/kvm/
  48 core-$(CONFIG_XEN) += arch/arm64/xen/
  49 core-$(CONFIG_CRYPTO) += arch/arm64/crypto/
  50 libs-y          := arch/arm64/lib/ $(libs-y)
  51 core-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
  52
  53 # Default target when executing plain make
  54 KBUILD_IMAGE    := Image.gz
  55 KBUILD_DTBS     := dtbs
  56
  57 all:    $(KBUILD_IMAGE) $(KBUILD_DTBS)
  58
  59 boot := arch/arm64/boot
  60
  61 Image Image.gz: vmlinux
  62         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  63
  64 zinstall install: vmlinux
  65         $(Q)$(MAKE) $(build)=$(boot) $@
  66
  67 %.dtb: scripts
  68         $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
  69
  70 PHONY += dtbs dtbs_install
  71
  72 dtbs: prepare scripts
  73         $(Q)$(MAKE) $(build)=$(boot)/dts
  74
  75 dtbs_install:
  76         $(Q)$(MAKE) $(dtbinst)=$(boot)/dts
  77
  78 PHONY += vdso_install
  79 vdso_install:
  80         $(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@
  81
  82 # We use MRPROPER_FILES and CLEAN_FILES now
  83 archclean:
  84         $(Q)$(MAKE) $(clean)=$(boot)
  85         $(Q)$(MAKE) $(clean)=$(boot)/dts
  86
  87 define 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'
  97 endef