#
  # arch/arm/Makefile
  #

  # This file is included by the global makefile so that you can add your own
  # architecture-specific flags and dependencies.
  #

  # 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.
  #
  # Copyright (C) 1995-2001 by Russell King
  
  LDFLAGS_vmlinux	:=-p --no-undefined -X

  ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
  LDFLAGS_vmlinux	+= --be8
  endif

  OBJCOPYFLAGS	:=-O binary -R .comment -S

  GZFLAGS		:=-9

  #KBUILD_CFLAGS	+=-pipe

  # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:

  KBUILD_CFLAGS	+=$(call cc-option,-marm,)

  # Never generate .eh_frame
  KBUILD_CFLAGS	+= $(call cc-option,-fno-dwarf2-cfi-asm)

  # Do not use arch/arm/defconfig - it's always outdated.
  # Select a platform tht is kept up-to-date
  KBUILD_DEFCONFIG := versatile_defconfig

  # defines filename extension depending memory management type.

  ifeq ($(CONFIG_MMU),)
  MMUEXT		:= -nommu
  endif

  ifeq ($(CONFIG_FRAME_POINTER),y)

  KBUILD_CFLAGS	+=-fno-omit-frame-pointer -mapcs -mno-sched-prolog

  endif

  ifeq ($(CONFIG_CC_STACKPROTECTOR),y)
  KBUILD_CFLAGS	+=-fstack-protector
  endif

  ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)

  KBUILD_CPPFLAGS	+= -mbig-endian

  AS		+= -EB
  LD		+= -EB
  else

  KBUILD_CPPFLAGS	+= -mlittle-endian

  AS		+= -EL
  LD		+= -EL
  endif
  
  comma = ,
  
  # This selects which instruction set is used.
  # Note that GCC does not numerically define an architecture version
  # macro, but instead defines a whole series of macros which makes
  # testing for a specific architecture or later rather impossible.

  arch-$(CONFIG_CPU_32v7)		:=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)

  arch-$(CONFIG_CPU_32v6)		:=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)

  # Only override the compiler option if ARMv6. The ARMv6K extensions are
  # always available in ARMv7
  ifeq ($(CONFIG_CPU_32v6),y)

  arch-$(CONFIG_CPU_32v6K)	:=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)

  endif

  arch-$(CONFIG_CPU_32v5)		:=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
  arch-$(CONFIG_CPU_32v4T)	:=-D__LINUX_ARM_ARCH__=4 -march=armv4t

  arch-$(CONFIG_CPU_32v4)		:=-D__LINUX_ARM_ARCH__=4 -march=armv4
  arch-$(CONFIG_CPU_32v3)		:=-D__LINUX_ARM_ARCH__=3 -march=armv3
  
  # This selects how we optimise for the processor.
  tune-$(CONFIG_CPU_ARM610)	:=-mtune=arm610
  tune-$(CONFIG_CPU_ARM710)	:=-mtune=arm710

  tune-$(CONFIG_CPU_ARM7TDMI)	:=-mtune=arm7tdmi

  tune-$(CONFIG_CPU_ARM720T)	:=-mtune=arm7tdmi

  tune-$(CONFIG_CPU_ARM740T)	:=-mtune=arm7tdmi

  tune-$(CONFIG_CPU_ARM9TDMI)	:=-mtune=arm9tdmi

  tune-$(CONFIG_CPU_ARM940T)	:=-mtune=arm9tdmi

  tune-$(CONFIG_CPU_ARM946E)	:=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)

  tune-$(CONFIG_CPU_ARM920T)	:=-mtune=arm9tdmi
  tune-$(CONFIG_CPU_ARM922T)	:=-mtune=arm9tdmi
  tune-$(CONFIG_CPU_ARM925T)	:=-mtune=arm9tdmi
  tune-$(CONFIG_CPU_ARM926T)	:=-mtune=arm9tdmi

  tune-$(CONFIG_CPU_FA526)	:=-mtune=arm9tdmi

  tune-$(CONFIG_CPU_SA110)	:=-mtune=strongarm110
  tune-$(CONFIG_CPU_SA1100)	:=-mtune=strongarm1100
  tune-$(CONFIG_CPU_XSCALE)	:=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale

  tune-$(CONFIG_CPU_XSC3)		:=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale

  tune-$(CONFIG_CPU_FEROCEON)	:=$(call cc-option,-mtune=marvell-f,-mtune=xscale)

  tune-$(CONFIG_CPU_V6)		:=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)

  tune-$(CONFIG_CPU_V6K)		:=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)

  ifeq ($(CONFIG_AEABI),y)

  CFLAGS_ABI	:=-mabi=aapcs-linux -mno-thumb-interwork

  else

  CFLAGS_ABI	:=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)

  endif

  ifeq ($(CONFIG_ARM_UNWIND),y)
  CFLAGS_ABI	+=-funwind-tables
  endif

  ifeq ($(CONFIG_THUMB2_KERNEL),y)

  AFLAGS_AUTOIT	:=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)

  AFLAGS_NOWARN	:=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
  CFLAGS_THUMB2	:=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
  AFLAGS_THUMB2	:=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb

  # Work around buggy relocation from gas if requested:
  ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
  CFLAGS_MODULE	+=-fno-optimize-sibling-calls
  endif

  endif

  # Need -Uarm for gcc < 3.x

  KBUILD_CFLAGS	+=$(CFLAGS_ABI) $(CFLAGS_THUMB2) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
  KBUILD_AFLAGS	+=$(CFLAGS_ABI) $(AFLAGS_THUMB2) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float

  
  CHECKFLAGS	+= -D__arm__
  
  #Default value

  head-y		:= arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o

  textofs-y	:= 0x00008000

  textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000

  # We don't want the htc bootloader to corrupt kernel during resume
  textofs-$(CONFIG_PM_H1940)      := 0x00108000

  # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory

  ifeq ($(CONFIG_ARCH_SA1100),y)
  textofs-$(CONFIG_SA1111) := 0x00208000

  endif

  textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000
  textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
  textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000

  
  # Machine directory name.  This list is sorted alphanumerically
  # by CONFIG_* macro name.

  machine-$(CONFIG_ARCH_AT91)		:= at91

  machine-$(CONFIG_ARCH_BCMRING)		:= bcmring

  machine-$(CONFIG_ARCH_CLPS711X)		:= clps711x

  machine-$(CONFIG_ARCH_CNS3XXX)		:= cns3xxx

  machine-$(CONFIG_ARCH_DAVINCI)		:= davinci

  machine-$(CONFIG_ARCH_DOVE)		:= dove

  machine-$(CONFIG_ARCH_EBSA110)		:= ebsa110
  machine-$(CONFIG_ARCH_EP93XX)		:= ep93xx
  machine-$(CONFIG_ARCH_GEMINI)		:= gemini
  machine-$(CONFIG_ARCH_H720X)		:= h720x

  machine-$(CONFIG_ARCH_HIGHBANK)		:= highbank

  machine-$(CONFIG_ARCH_INTEGRATOR)	:= integrator
  machine-$(CONFIG_ARCH_IOP13XX)		:= iop13xx
  machine-$(CONFIG_ARCH_IOP32X)		:= iop32x
  machine-$(CONFIG_ARCH_IOP33X)		:= iop33x
  machine-$(CONFIG_ARCH_IXP2000)		:= ixp2000
  machine-$(CONFIG_ARCH_IXP23XX)		:= ixp23xx
  machine-$(CONFIG_ARCH_IXP4XX)		:= ixp4xx
  machine-$(CONFIG_ARCH_KIRKWOOD)		:= kirkwood
  machine-$(CONFIG_ARCH_KS8695)		:= ks8695

  machine-$(CONFIG_ARCH_LPC32XX)		:= lpc32xx

  machine-$(CONFIG_ARCH_MMP)		:= mmp
  machine-$(CONFIG_ARCH_MSM)		:= msm
  machine-$(CONFIG_ARCH_MV78XX0)		:= mv78xx0

  machine-$(CONFIG_ARCH_IMX_V4_V5)	:= imx

  machine-$(CONFIG_ARCH_IMX_V6_V7)	:= imx

  machine-$(CONFIG_ARCH_MX5)		:= mx5

  machine-$(CONFIG_ARCH_MXS)		:= mxs

  machine-$(CONFIG_ARCH_NETX)		:= netx

  machine-$(CONFIG_ARCH_NOMADIK)		:= nomadik

  machine-$(CONFIG_ARCH_OMAP1)		:= omap1
  machine-$(CONFIG_ARCH_OMAP2)		:= omap2
  machine-$(CONFIG_ARCH_OMAP3)		:= omap2

  machine-$(CONFIG_ARCH_OMAP4)		:= omap2

  machine-$(CONFIG_ARCH_ORION5X)		:= orion5x

  machine-$(CONFIG_ARCH_PICOXCELL)	:= picoxcell

  machine-$(CONFIG_ARCH_PNX4008)		:= pnx4008

  machine-$(CONFIG_ARCH_PRIMA2)		:= prima2

  machine-$(CONFIG_ARCH_PXA)		:= pxa
  machine-$(CONFIG_ARCH_REALVIEW)		:= realview
  machine-$(CONFIG_ARCH_RPC)		:= rpc

  machine-$(CONFIG_ARCH_S3C2410)		:= s3c2410 s3c2412 s3c2416 s3c2440 s3c2443

  machine-$(CONFIG_ARCH_S3C64XX)		:= s3c64xx

  machine-$(CONFIG_ARCH_S5P64X0)		:= s5p64x0

  machine-$(CONFIG_ARCH_S5PC100)		:= s5pc100

  machine-$(CONFIG_ARCH_S5PV210)		:= s5pv210

  machine-$(CONFIG_ARCH_EXYNOS4)		:= exynos

  machine-$(CONFIG_ARCH_SA1100)		:= sa1100
  machine-$(CONFIG_ARCH_SHARK)		:= shark

  machine-$(CONFIG_ARCH_SHMOBILE) 	:= shmobile

  machine-$(CONFIG_ARCH_TEGRA)		:= tegra

  machine-$(CONFIG_ARCH_U300)		:= u300

  machine-$(CONFIG_ARCH_U8500)		:= ux500

  machine-$(CONFIG_ARCH_VERSATILE)	:= versatile

  machine-$(CONFIG_ARCH_VEXPRESS)		:= vexpress

  machine-$(CONFIG_ARCH_VT8500)		:= vt8500

  machine-$(CONFIG_ARCH_W90X900)		:= w90x900
  machine-$(CONFIG_FOOTBRIDGE)		:= footbridge

  machine-$(CONFIG_MACH_SPEAR300)		:= spear3xx
  machine-$(CONFIG_MACH_SPEAR310)		:= spear3xx
  machine-$(CONFIG_MACH_SPEAR320)		:= spear3xx
  machine-$(CONFIG_MACH_SPEAR600)		:= spear6xx

  machine-$(CONFIG_ARCH_ZYNQ)		:= zynq

  
  # Platform directory name.  This list is sorted alphanumerically
  # by CONFIG_* macro name.
  plat-$(CONFIG_ARCH_MXC)		:= mxc
  plat-$(CONFIG_ARCH_OMAP)	:= omap

  plat-$(CONFIG_ARCH_S3C64XX)	:= samsung

  plat-$(CONFIG_ARCH_ZYNQ)	:= versatile

  plat-$(CONFIG_PLAT_IOP)		:= iop

  plat-$(CONFIG_PLAT_NOMADIK)	:= nomadik

  plat-$(CONFIG_PLAT_ORION)	:= orion
  plat-$(CONFIG_PLAT_PXA)		:= pxa

  plat-$(CONFIG_PLAT_S3C24XX)	:= s3c24xx samsung

  plat-$(CONFIG_PLAT_S5P)		:= s5p samsung

  plat-$(CONFIG_PLAT_SPEAR)	:= spear

  plat-$(CONFIG_PLAT_VERSATILE)	:= versatile

  
  ifeq ($(CONFIG_ARCH_EBSA110),y)
  # This is what happens if you forget the IOCS16 line.
  # PCMCIA cards stop working.
  CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
  export CFLAGS_3c589_cs.o
  endif

  # The byte offset of the kernel image in RAM from the start of RAM.
  TEXT_OFFSET := $(textofs-y)

  # The first directory contains additional information for the boot setup code

  ifneq ($(machine-y),)

  MACHINE  := arch/arm/mach-$(word 1,$(machine-y))/

  else
  MACHINE  :=
  endif

  machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
  platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
  
  ifeq ($(KBUILD_SRC),)
  KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
  else
  KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
  endif

  export	TEXT_OFFSET GZFLAGS MMUEXT

  
  # Do we have FASTFPE?
  FASTFPE		:=arch/arm/fastfpe
  ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
  FASTFPE_OBJ	:=$(FASTFPE)/
  endif

  core-$(CONFIG_FPE_NWFPE)	+= arch/arm/nwfpe/
  core-$(CONFIG_FPE_FASTFPE)	+= $(FASTFPE_OBJ)
  core-$(CONFIG_VFP)		+= arch/arm/vfp/

  # If we have a machine-specific directory, then include it in the build.
  core-y				+= arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
  core-y				+= $(machdirs) $(platdirs)

  drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/

  libs-y				:= arch/arm/lib/ $(libs-y)

  
  # Default target when executing plain make
  ifeq ($(CONFIG_XIP_KERNEL),y)

  KBUILD_IMAGE := xipImage

  else

  KBUILD_IMAGE := zImage

  endif

  all:	$(KBUILD_IMAGE)

  boot := arch/arm/boot

  archprepare:
  	$(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h

  
  # Convert bzImage to zImage
  bzImage: zImage
  
  zImage Image xipImage bootpImage uImage: vmlinux
  	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@

  zinstall uinstall install: vmlinux

  	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@

  %.dtb:
  	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
  
  dtbs:
  	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@

  # We use MRPROPER_FILES and CLEAN_FILES now
  archclean:
  	$(Q)$(MAKE) $(clean)=$(boot)
  
  # My testing targets (bypasses dependencies)
  bp:;	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
  i zi:;	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@

  
  define archhelp
    echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
    echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
    echo  '* xipImage      - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'

    echo  '  uImage        - U-Boot wrapped zImage'

    echo  '  bootpImage    - Combined zImage and initial RAM disk' 
    echo  '                  (supply initrd image via make variable INITRD=<path>)'

    echo  '  dtbs          - Build device tree blobs for enabled boards'

    echo  '  install       - Install uncompressed kernel'
    echo  '  zinstall      - Install compressed kernel'

    echo  '  uinstall      - Install U-Boot wrapped compressed kernel'

    echo  '                  Install using (your) ~/bin/$(INSTALLKERNEL) or'
    echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'

    echo  '                  install to $$(INSTALL_PATH) and run lilo'
  endef