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 arch-y := v10
  14 arch-$(CONFIG_ETRAX_ARCH_V10) := v10
  15 arch-$(CONFIG_ETRAX_ARCH_V32) := v32
  16
  17 # No config available for make clean etc
  18 mach-y := fs
  19 mach-$(CONFIG_CRIS_MACH_ARTPEC3) := a3
  20 mach-$(CONFIG_ETRAXFS) := fs
  21
  22 ifneq ($(arch-y),)
  23 SARCH := arch-$(arch-y)
  24 else
  25 SARCH :=
  26 endif
  27
  28 ifneq ($(mach-y),)
  29 MACH := mach-$(mach-y)
  30 else
  31 MACH :=
  32 endif
  33
  34 LD = $(CROSS_COMPILE)ld -mcrislinux
  35
  36 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
  37
  38 CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
  39
  40 KBUILD_AFLAGS += -mlinux -march=$(arch-y) -Iinclude/asm/arch/mach -Iinclude/asm/arch
  41
  42 KBUILD_CFLAGS += -mlinux -march=$(arch-y) -pipe -Iinclude/asm/arch/mach -Iinclude/asm/arch
  43
  44 ifdef CONFIG_FRAME_POINTER
  45 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
  46 KBUILD_CFLAGS += -fno-omit-frame-pointer
  47 endif
  48
  49 head-y := arch/$(ARCH)/$(SARCH)/kernel/head.o
  50
  51 LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-file-name=libgcc.a)
  52
  53 core-y          += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
  54 core-y          += arch/$(ARCH)/$(SARCH)/kernel/ arch/$(ARCH)/$(SARCH)/mm/
  55 ifdef CONFIG_ETRAX_ARCH_V32
  56 core-y          += arch/$(ARCH)/$(SARCH)/$(MACH)/
  57 endif
  58 drivers-y       += arch/$(ARCH)/$(SARCH)/drivers/
  59 libs-y          += arch/$(ARCH)/$(SARCH)/lib/ $(LIBGCC)
  60
  61 # cris source path
  62 SRC_ARCH              = $(srctree)/arch/$(ARCH)
  63 # cris object files path
  64 OBJ_ARCH              = $(objtree)/arch/$(ARCH)
  65
  66 boot := arch/$(ARCH)/boot
  67 MACHINE := arch/$(ARCH)/$(SARCH)
  68
  69 all: zImage
  70
  71 zImage Image: vmlinux
  72         $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
  73
  74 archprepare: $(SRC_ARCH)/.links $(srctree)/include/asm-$(ARCH)/.arch FORCE
  75
  76 # Create some links to make all tools happy
  77 $(SRC_ARCH)/.links:
  78         @rm -rf $(SRC_ARCH)/drivers
  79         @ln -sfn $(SARCH)/drivers $(SRC_ARCH)/drivers
  80         @rm -rf $(SRC_ARCH)/boot
  81         @ln -sfn $(SARCH)/boot $(SRC_ARCH)/boot
  82         @rm -rf $(SRC_ARCH)/lib
  83         @ln -sfn $(SARCH)/lib $(SRC_ARCH)/lib
  84         @rm -f $(SRC_ARCH)/arch/mach
  85         @rm -rf $(SRC_ARCH)/arch
  86         @ln -sfn $(SARCH) $(SRC_ARCH)/arch
  87 ifdef CONFIG_ETRAX_ARCH_V32
  88         @ln -sfn ../$(SARCH)/$(MACH) $(SRC_ARCH)/arch/mach
  89 endif
  90         @rm -rf $(SRC_ARCH)/kernel/vmlinux.lds.S
  91         @ln -sfn ../$(SARCH)/vmlinux.lds.S $(SRC_ARCH)/kernel/vmlinux.lds.S
  92         @rm -rf $(SRC_ARCH)/kernel/asm-offsets.c
  93         @ln -sfn ../$(SARCH)/kernel/asm-offsets.c $(SRC_ARCH)/kernel/asm-offsets.c
  94         @touch $@
  95
  96 # Create link to sub arch includes
  97 $(srctree)/include/asm-$(ARCH)/.arch: $(wildcard include/config/arch/*.h)
  98         @echo '  SYMLINK include/asm-$(ARCH)/arch -> include/asm-$(ARCH)/$(SARCH)'
  99         @rm -f $(srctree)/include/asm-$(ARCH)/arch/mach
 100         @rm -f $(srctree)/include/asm-$(ARCH)/arch
 101         @ln -sf $(SARCH) $(srctree)/include/asm-$(ARCH)/arch
 102 ifdef CONFIG_ETRAX_ARCH_V32
 103         @ln -sf $(MACH) $(srctree)/include/asm-$(ARCH)/arch/mach
 104 endif
 105         @touch $@
 106
 107 archclean:
 108         $(Q)if [ -e arch/$(ARCH)/boot ]; then \
 109                 $(MAKE) $(clean)=arch/$(ARCH)/boot; \
 110         fi
 111
 112 CLEAN_FILES += \
 113         $(MACHINE)/boot/zImage \
 114         $(MACHINE)/boot/compressed/decompress.bin \
 115         $(MACHINE)/boot/compressed/piggy.gz \
 116         $(MACHINE)/boot/rescue/rescue.bin \
 117         $(SRC_ARCH)/.links \
 118         $(srctree)/include/asm-$(ARCH)/.arch
 119
 120 MRPROPER_FILES += \
 121         $(SRC_ARCH)/drivers \
 122         $(SRC_ARCH)/boot \
 123         $(SRC_ARCH)/lib \
 124         $(SRC_ARCH)/arch \
 125         $(SRC_ARCH)/kernel/vmlinux.lds.S \
 126         $(SRC_ARCH)/kernel/asm-offsets.c
 127
 128 define archhelp
 129   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
 130   echo  '* Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
 131 endef