#

  # arch/sh/Makefile

  #
  # Copyright (C) 1999  Kaz Kojima

  # Copyright (C) 2002 - 2008  Paul Mundt

  # Copyright (C) 2002  M. R. Brown
  #

  # This file is subject to the terms and conditions of the GNU General Public
  # License.  See the file "COPYING" in the main directory of this archive
  # for more details.

  #

  isa-y					:= any

  isa-$(CONFIG_SH_DSP)			:= sh

  isa-$(CONFIG_CPU_SH2)			:= sh2

  isa-$(CONFIG_CPU_SH2A)			:= sh2a

  isa-$(CONFIG_CPU_SH3)			:= sh3
  isa-$(CONFIG_CPU_SH4)			:= sh4
  isa-$(CONFIG_CPU_SH4A)			:= sh4a

  isa-$(CONFIG_CPU_SH4AL_DSP)		:= sh4al

  isa-$(CONFIG_CPU_SH5)			:= shmedia

  
  ifeq ($(CONFIG_SUPERH32),y)

  isa-$(CONFIG_SH_DSP)			:= $(isa-y)-dsp

  isa-y					:= $(isa-y)-up
  endif

  cflags-$(CONFIG_CPU_SH2)		:= $(call cc-option,-m2,)

  cflags-$(CONFIG_CPU_SH2A)		+= $(call cc-option,-m2a,) \

  					   $(call cc-option,-m2a-nofpu,)
  cflags-$(CONFIG_CPU_SH3)		:= $(call cc-option,-m3,)
  cflags-$(CONFIG_CPU_SH4)		:= $(call cc-option,-m4,) \

  	$(call cc-option,-mno-implicit-fp,-m4-nofpu)

  cflags-$(CONFIG_CPU_SH4A)		+= $(call cc-option,-m4a,) \

  					   $(call cc-option,-m4a-nofpu,)

  cflags-$(CONFIG_CPU_SH4AL_DSP)		+= $(call cc-option,-m4al,)

  cflags-$(CONFIG_CPU_SH5)		:= $(call cc-option,-m5-32media-nofpu,)

  ifeq ($(cflags-y),)
  #
  # In the case where we are stuck with a compiler that has been uselessly
  # restricted to a particular ISA, a favourite default of newer GCCs when
  # extensive multilib targets are not provided, ensure we get the best fit
  # regarding FP generation. This is intentionally stupid (albeit many
  # orders of magnitude less than GCC's default behaviour), as anything
  # with a large number of multilib targets better have been built
  # correctly for the target in mind.
  #
  cflags-y	+= $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
  		     grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
  # At this point, anything goes.
  isaflags-y	:= $(call as-option,-Wa$(comma)-isa=any,)
  else

  #
  # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
  # support it, while -Wa,-dsp by itself limits the range of usable opcodes
  # on certain CPU subtypes. Try the ISA variant first, and if that fails,
  # fall back on -Wa,-dsp for the old binutils versions. Even without DSP
  # opcodes, we always want the best ISA tuning the version of binutils
  # will provide.
  #
  isaflags-y	:= $(call as-option,-Wa$(comma)-isa=$(isa-y),)
  
  isaflags-$(CONFIG_SH_DSP)		:= \
  	$(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)

  endif
  
  cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= -mb
  cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= -ml

  cflags-y	+= $(call cc-option,-mno-fdpic)

  cflags-y	+= $(isaflags-y) -ffreestanding

  OBJCOPYFLAGS	:= -O binary -R .note -R .note.gnu.build-id -R .comment \
  		   -R .stab -R .stabstr -S

  # Give the various platforms the opportunity to set default image types

  defaultimage-$(CONFIG_SUPERH32)			:= zImage
  defaultimage-$(CONFIG_SH_SH7785LCR)		:= uImage

  defaultimage-$(CONFIG_SH_RSK)			:= uImage

  defaultimage-$(CONFIG_SH_URQUELL)		:= uImage

  defaultimage-$(CONFIG_SH_MIGOR)			:= uImage
  defaultimage-$(CONFIG_SH_AP325RXA)		:= uImage

  defaultimage-$(CONFIG_SH_SH7757LCR)		:= uImage

  defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE)	:= uImage

  defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE)	:= vmlinux
  defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE)	:= vmlinux

  # Set some sensible Kbuild defaults

  KBUILD_IMAGE		:= $(defaultimage-y)

  
  #
  # Choosing incompatible machines durings configuration will result in
  # error messages during linking.
  #

  ifdef CONFIG_SUPERH32

  UTS_MACHINE		:= sh
  BITS			:= 32
  LDFLAGS_vmlinux		+= -e _stext
  KBUILD_DEFCONFIG	:= shx3_defconfig

  else

  UTS_MACHINE		:= sh64
  BITS			:= 64
  LDFLAGS_vmlinux		+= --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
  			   --defsym phys_stext_shmedia=phys_stext+1 \
  			   -e phys_stext_shmedia
  KBUILD_DEFCONFIG	:= cayman_defconfig

  endif

  ifneq ($(SUBARCH),$(ARCH))
    ifeq ($(CROSS_COMPILE),)
      CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux-  $(UTS_MACHINE)-linux-gnu-  $(UTS_MACHINE)-unknown-linux-gnu-)
    endif
  endif

  ifdef CONFIG_CPU_LITTLE_ENDIAN

  ld-bfd			:= elf32-$(UTS_MACHINE)-linux
  LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd)

  LDFLAGS			+= -EL
  else

  ld-bfd			:= elf32-$(UTS_MACHINE)big-linux
  LDFLAGS_vmlinux		+= --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd)

  LDFLAGS			+= -EB
  endif

  export ld-bfd BITS

  head-y	:= arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o

  core-y				+= arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/

  core-$(CONFIG_SH_FPU_EMU)	+= arch/sh/math-emu/

  # Mach groups

  machdir-$(CONFIG_SOLUTION_ENGINE)		+= mach-se

  machdir-$(CONFIG_SH_HP6XX)			+= mach-hp6xx
  machdir-$(CONFIG_SH_DREAMCAST)			+= mach-dreamcast
  machdir-$(CONFIG_SH_SH03)			+= mach-sh03

  machdir-$(CONFIG_SH_RTS7751R2D)			+= mach-r2d

  machdir-$(CONFIG_SH_HIGHLANDER)			+= mach-highlander
  machdir-$(CONFIG_SH_MIGOR)			+= mach-migor

  machdir-$(CONFIG_SH_AP325RXA)			+= mach-ap325rxa

  machdir-$(CONFIG_SH_KFR2R09)			+= mach-kfr2r09

  machdir-$(CONFIG_SH_ECOVEC)			+= mach-ecovec24

  machdir-$(CONFIG_SH_SDK7780)			+= mach-sdk7780

  machdir-$(CONFIG_SH_SDK7786)			+= mach-sdk7786

  machdir-$(CONFIG_SH_X3PROTO)			+= mach-x3proto

  machdir-$(CONFIG_SH_SH7763RDP)			+= mach-sh7763rdp

  machdir-$(CONFIG_SH_SH4202_MICRODEV)		+= mach-microdev
  machdir-$(CONFIG_SH_LANDISK)			+= mach-landisk

  machdir-$(CONFIG_SH_LBOX_RE2)			+= mach-lboxre2

  machdir-$(CONFIG_SH_CAYMAN)			+= mach-cayman

  machdir-$(CONFIG_SH_RSK)			+= mach-rsk

  ifneq ($(machdir-y),)

  core-y	+= $(addprefix arch/sh/boards/, \
  	     $(filter-out ., $(patsubst %,%/,$(machdir-y))))

  endif

  # Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
  machdir-y	+= mach-common

  # Companion chips

  core-$(CONFIG_HD6446X_SERIES)	+= arch/sh/cchips/hd6446x/

  #
  # CPU header paths
  #
  # These are ordered by optimization level. A CPU family that is a subset
  # of another (ie, SH-2A / SH-2), is picked up first, with increasing
  # levels of genericness if nothing more suitable is situated in the
  # hierarchy.
  #
  # As an example, in order of preference, SH-2A > SH-2 > common definitions.
  #
  cpuincdir-$(CONFIG_CPU_SH2A)	+= cpu-sh2a
  cpuincdir-$(CONFIG_CPU_SH2)	+= cpu-sh2
  cpuincdir-$(CONFIG_CPU_SH3)	+= cpu-sh3

  cpuincdir-$(CONFIG_CPU_SH4A)	+= cpu-sh4a

  cpuincdir-$(CONFIG_CPU_SH4)	+= cpu-sh4
  cpuincdir-$(CONFIG_CPU_SH5)	+= cpu-sh5
  cpuincdir-y			+= cpu-common	# Must be last

  drivers-y			+= arch/sh/drivers/
  drivers-$(CONFIG_OPROFILE)	+= arch/sh/oprofile/
  
  boot := arch/sh/boot

  cflags-y	+= $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
  		   $(foreach d, $(machdir-y), -Iarch/sh/include/$(d))

  KBUILD_CFLAGS		+= -pipe $(cflags-y)
  KBUILD_CPPFLAGS		+= $(cflags-y)
  KBUILD_AFLAGS		+= $(cflags-y)

  ifeq ($(CONFIG_MCOUNT),y)
    KBUILD_CFLAGS += -pg
  endif

  ifeq ($(CONFIG_DWARF_UNWINDER),y)
    KBUILD_CFLAGS += -fasynchronous-unwind-tables
  endif

  libs-$(CONFIG_SUPERH32)		:= arch/sh/lib/	$(libs-y)

  libs-$(CONFIG_SUPERH64)		:= arch/sh/lib64/ $(libs-y)

  BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \

  	       uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
  	       romImage

  PHONY += $(BOOT_TARGETS)

  all: $(KBUILD_IMAGE)

  $(BOOT_TARGETS): vmlinux

  	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  
  compressed: zImage

  archprepare:
  	$(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h

  archclean:
  	$(Q)$(MAKE) $(clean)=$(boot)

  	$(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall

  define archhelp

  	@echo '  zImage 	           - Compressed kernel image'

  	@echo '  romImage	           - Compressed ROM image, if supported'

  	@echo '  vmlinux.srec	           - Create an ELF S-record'

  	@echo '  vmlinux.bin	           - Create an uncompressed binary image'

  	@echo '* uImage  	           - Alias to bootable U-Boot image'
  	@echo '  uImage.srec	           - Create an S-record for U-Boot'

  	@echo '  uImage.bin	           - Kernel-only image for U-Boot (bin)'

  	@echo '* uImage.gz	           - Kernel-only image for U-Boot (gzip)'
  	@echo '  uImage.bz2	           - Kernel-only image for U-Boot (bzip2)'
  	@echo '  uImage.lzma	           - Kernel-only image for U-Boot (lzma)'

  	@echo '  uImage.xz	           - Kernel-only image for U-Boot (xz)'

  	@echo '  uImage.lzo	           - Kernel-only image for U-Boot (lzo)'

  endef