arch/cris/Makefile

   1 #
   2 # cris/Makefile
   3 #
   4 # This file is included by the global makefile so that you can add your own
   5 # architecture-specific flags and dependencies. Remember to do have actions
   6 # for "archclean" and "archdep" for cleaning up and making dependencies for
   7 # this architecture
   8 #
   9 # This file is subject to the terms and conditions of the GNU General Public
  10 # License.  See the file "COPYING" in the main directory of this archive
  11 # for more details.
  12
  13 KBUILD_DEFCONFIG := etrax-100lx_v2_defconfig
  14
  15 arch-y := v10
  16 arch-$(CONFIG_ETRAX_ARCH_V10) := v10
  17 arch-$(CONFIG_ETRAX_ARCH_V32) := v32
  18
  19 # No config available for make clean etc
  20 mach-y := fs
  21 mach-$(CONFIG_CRIS_MACH_ARTPEC3) := a3
  22 mach-$(CONFIG_ETRAXFS) := fs
  23
  24 ifneq ($(arch-y),)
  25 SARCH := arch-$(arch-y)
  26 inc := -Iarch/cris/include/arch-$(arch-y) -Iarch/cris/include/arch-$(arch-y)/arch
  27 else
  28 SARCH :=
  29 inc :=
  30 endif
  31
  32 ifneq ($(mach-y),)
  33 MACH := mach-$(mach-y)
  34 inc += -Iarch/cris/include/$(SARCH)/$(MACH)/
  35 inc += -Iarch/cris/include/$(SARCH)/$(MACH)/mach
  36 else
  37 MACH :=
  38 endif
  39
  40 LD = $(CROSS_COMPILE)ld -mcrislinux
  41
  42 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
  43
  44 CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
  45
  46 KBUILD_AFLAGS += -mlinux -march=$(arch-y) $(inc)
  47 KBUILD_CFLAGS += -mlinux -march=$(arch-y) -pipe $(inc)
  48 KBUILD_CPPFLAGS += $(inc)
  49
  50 ifdef CONFIG_FRAME_POINTER
  51 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
  52 KBUILD_CFLAGS += -fno-omit-frame-pointer
  53 endif
  54
  55 head-y := arch/$(ARCH)/$(SARCH)/kernel/head.o
  56
  57 LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-file-name=libgcc.a)
  58
  59 core-y          += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
  60 core-y          += arch/$(ARCH)/$(SARCH)/kernel/ arch/$(ARCH)/$(SARCH)/mm/
  61 ifdef CONFIG_ETRAX_ARCH_V32
  62 core-y          += arch/$(ARCH)/$(SARCH)/$(MACH)/
  63 endif
  64 drivers-y       += arch/$(ARCH)/$(SARCH)/drivers/
  65 libs-y          += arch/$(ARCH)/$(SARCH)/lib/ $(LIBGCC)
  66
  67 # cris source path
  68 SRC_ARCH              = $(srctree)/arch/$(ARCH)
  69 # cris object files path
  70 OBJ_ARCH              = $(objtree)/arch/$(ARCH)
  71
  72 boot := arch/$(ARCH)/boot
  73 MACHINE := arch/$(ARCH)/$(SARCH)
  74
  75 all: zImage
  76
  77 zImage Image: vmlinux
  78         $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
  79
  80 archprepare: $(SRC_ARCH)/.links FORCE
  81
  82 # Create some links to make all tools happy
  83 $(SRC_ARCH)/.links:
  84         @rm -rf $(SRC_ARCH)/drivers
  85         @ln -sfn $(SARCH)/drivers $(SRC_ARCH)/drivers
  86         @rm -rf $(SRC_ARCH)/boot
  87         @ln -sfn $(SARCH)/boot $(SRC_ARCH)/boot
  88         @rm -rf $(SRC_ARCH)/lib
  89         @ln -sfn $(SARCH)/lib $(SRC_ARCH)/lib
  90         @rm -f $(SRC_ARCH)/arch/mach
  91         @rm -rf $(SRC_ARCH)/arch
  92         @ln -sfn $(SARCH) $(SRC_ARCH)/arch
  93 ifdef CONFIG_ETRAX_ARCH_V32
  94         @ln -sfn ../$(SARCH)/$(MACH) $(SRC_ARCH)/arch/mach
  95 endif
  96         @rm -rf $(SRC_ARCH)/kernel/vmlinux.lds.S
  97         @ln -sfn ../$(SARCH)/vmlinux.lds.S $(SRC_ARCH)/kernel/vmlinux.lds.S
  98         @rm -rf $(SRC_ARCH)/kernel/asm-offsets.c
  99         @ln -sfn ../$(SARCH)/kernel/asm-offsets.c $(SRC_ARCH)/kernel/asm-offsets.c
 100         @touch $@
 101
 102 archclean:
 103         $(Q)if [ -e arch/$(ARCH)/boot ]; then \
 104                 $(MAKE) $(clean)=arch/$(ARCH)/boot; \
 105         fi
 106
 107 CLEAN_FILES += \
 108         $(MACHINE)/boot/zImage \
 109         $(MACHINE)/boot/compressed/decompress.bin \
 110         $(MACHINE)/boot/compressed/piggy.gz \
 111         $(MACHINE)/boot/rescue/rescue.bin \
 112         $(SRC_ARCH)/.links
 113
 114 MRPROPER_FILES += \
 115         $(SRC_ARCH)/drivers \
 116         $(SRC_ARCH)/boot \
 117         $(SRC_ARCH)/lib \
 118         $(SRC_ARCH)/arch \
 119         $(SRC_ARCH)/kernel/vmlinux.lds.S \
 120         $(SRC_ARCH)/kernel/asm-offsets.c
 121
 122 define archhelp
 123   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
 124   echo  '* Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
 125 endef