linux/arch/cris/Makefile
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   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
  13arch-y := v10
  14arch-$(CONFIG_ETRAX_ARCH_V10) := v10
  15arch-$(CONFIG_ETRAX_ARCH_V32) := v32
  16
  17# No config available for make clean etc
  18mach-y := fs
  19mach-$(CONFIG_CRIS_MACH_ARTPEC3) := a3
  20mach-$(CONFIG_ETRAXFS) := fs
  21
  22ifneq ($(arch-y),)
  23SARCH := arch-$(arch-y)
  24else
  25SARCH :=
  26endif
  27
  28ifneq ($(mach-y),)
  29MACH := mach-$(mach-y)
  30else
  31MACH :=
  32endif
  33
  34LD = $(CROSS_COMPILE)ld -mcrislinux
  35
  36OBJCOPYFLAGS := -O binary -R .note -R .comment -S
  37
  38CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
  39
  40KBUILD_AFLAGS += -mlinux -march=$(arch-y) -Iinclude/asm/arch/mach -Iinclude/asm/arch
  41
  42KBUILD_CFLAGS += -mlinux -march=$(arch-y) -pipe -Iinclude/asm/arch/mach -Iinclude/asm/arch
  43
  44ifdef CONFIG_FRAME_POINTER
  45KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
  46KBUILD_CFLAGS += -fno-omit-frame-pointer
  47endif
  48
  49head-y := arch/$(ARCH)/$(SARCH)/kernel/head.o
  50
  51LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-file-name=libgcc.a)
  52
  53core-y          += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
  54core-y          += arch/$(ARCH)/$(SARCH)/kernel/ arch/$(ARCH)/$(SARCH)/mm/
  55ifdef CONFIG_ETRAX_ARCH_V32
  56core-y          += arch/$(ARCH)/$(SARCH)/$(MACH)/
  57endif
  58drivers-y       += arch/$(ARCH)/$(SARCH)/drivers/
  59libs-y          += arch/$(ARCH)/$(SARCH)/lib/ $(LIBGCC)
  60
  61# cris source path
  62SRC_ARCH              = $(srctree)/arch/$(ARCH)
  63# cris object files path
  64OBJ_ARCH              = $(objtree)/arch/$(ARCH)
  65
  66boot := arch/$(ARCH)/boot
  67MACHINE := arch/$(ARCH)/$(SARCH)
  68
  69all: zImage
  70
  71zImage Image: vmlinux
  72        $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
  73
  74archprepare: $(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) $(SRC_ARCH)/arch
  87ifdef CONFIG_ETRAX_ARCH_V32
  88        @ln -sfn ../$(SARCH)/$(MACH) $(SRC_ARCH)/arch/mach
  89endif
  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
 102ifdef CONFIG_ETRAX_ARCH_V32
 103        @ln -sf $(MACH) $(srctree)/include/asm-$(ARCH)/arch/mach
 104endif
 105        @touch $@
 106
 107archclean:
 108        $(Q)if [ -e arch/$(ARCH)/boot ]; then \
 109                $(MAKE) $(clean)=arch/$(ARCH)/boot; \
 110        fi
 111
 112CLEAN_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
 120MRPROPER_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        $(SRC_ARCH)/kernel/asm-offsets.c
 127
 128define archhelp
 129  echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
 130  echo  '* Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
 131endef
 132