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 LIBGCC          := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  19
  20 KBUILD_DEFCONFIG := defconfig
  21
  22 KBUILD_CFLAGS   += -mgeneral-regs-only
  23 KBUILD_CPPFLAGS += -mlittle-endian
  24 AS              += -EL
  25 LD              += -EL
  26
  27 comma = ,
  28
  29 CHECKFLAGS      += -D__aarch64__
  30
  31 # Default value
  32 head-y          := arch/arm64/kernel/head.o
  33
  34 # The byte offset of the kernel image in RAM from the start of RAM.
  35 TEXT_OFFSET := 0x00080000
  36
  37 export  TEXT_OFFSET GZFLAGS
  38
  39 core-y          += arch/arm64/kernel/ arch/arm64/mm/
  40 libs-y          := arch/arm64/lib/ $(libs-y)
  41 libs-y          += $(LIBGCC)
  42
  43 # Default target when executing plain make
  44 KBUILD_IMAGE    := Image.gz
  45 KBUILD_DTBS     := dtbs
  46
  47 all:    $(KBUILD_IMAGE) $(KBUILD_DTBS)
  48
  49 boot := arch/arm64/boot
  50
  51 Image Image.gz: vmlinux
  52         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  53
  54 zinstall install: vmlinux
  55         $(Q)$(MAKE) $(build)=$(boot) $@
  56
  57 %.dtb: scripts
  58         $(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
  59
  60 dtbs: scripts
  61         $(Q)$(MAKE) $(build)=$(boot)/dts dtbs
  62
  63 # We use MRPROPER_FILES and CLEAN_FILES now
  64 archclean:
  65         $(Q)$(MAKE) $(clean)=$(boot)
  66
  67 define archhelp
  68   echo  '* Image.gz      - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)'
  69   echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
  70   echo  '* dtbs          - Build device tree blobs for enabled boards'
  71   echo  '  install       - Install uncompressed kernel'
  72   echo  '  zinstall      - Install compressed kernel'
  73   echo  '                  Install using (your) ~/bin/installkernel or'
  74   echo  '                  (distribution) /sbin/installkernel or'
  75   echo  '                  install to $$(INSTALL_PATH) and run lilo'
  76 endef