arch/arm/Makefile - kernel/msm-4.19 - Gitiles

 #
 # 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

 # Ensure linker flags are correct
 LDFLAGS		:=

 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 # Do not use arch/arm/defconfig - it's always outdated.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-$(CONFIG_CPU_ARM7TDMI)	:=-mtune=arm7tdmi
 tune-$(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$(MMUEXT).o
 textofs-y	:= 0x00008000
 textofs-$(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_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-$(CONFIG_ARCH_MXS)		:= mxs
 machine-$(CONFIG_ARCH_MVEBU)		:= mvebu
 machine-$(CONFIG_ARCH_NETX)		:= netx
 machine-$(CONFIG_ARCH_NOMADIK)		:= nomadik
 machine-$(CONFIG_ARCH_OMAP1)		:= omap1
 machine-$(CONFIG_ARCH_OMAP2PLUS)	:= 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_S3C24XX)		:= s3c24xx s3c2412 s3c2440
 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_EXYNOS5)		:= 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_ARCH_SOCFPGA)		:= socfpga
 machine-$(CONFIG_MACH_SPEAR1310)	:= spear13xx
 machine-$(CONFIG_MACH_SPEAR1340)	:= spear13xx
 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)		:= 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/
 core-$(CONFIG_XEN)		+= arch/arm/xen/

 # 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				+= arch/arm/net/
 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
	#
	# 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

	# Ensure linker flags are correct
	LDFLAGS :=

	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-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
	tune-$(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$(MMUEXT).o
	textofs-y := 0x00008000
	textofs-$(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_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-$(CONFIG_ARCH_MXS) := mxs
	machine-$(CONFIG_ARCH_MVEBU) := mvebu
	machine-$(CONFIG_ARCH_NETX) := netx
	machine-$(CONFIG_ARCH_NOMADIK) := nomadik
	machine-$(CONFIG_ARCH_OMAP1) := omap1
	machine-$(CONFIG_ARCH_OMAP2PLUS) := 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_S3C24XX) := s3c24xx s3c2412 s3c2440
	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_EXYNOS5) := 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_ARCH_SOCFPGA) := socfpga
	machine-$(CONFIG_MACH_SPEAR1310) := spear13xx
	machine-$(CONFIG_MACH_SPEAR1340) := spear13xx
	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) := 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/
	core-$(CONFIG_XEN) += arch/arm/xen/

	# 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 += arch/arm/net/
	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