[linux.git] / arch / arm / Makefile

#
# 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 --pic-veneer
ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
LDFLAGS_vmlinux	+= --be8
LDFLAGS_MODULE	+= --be8
endif

ifeq ($(CONFIG_ARM_MODULE_PLTS),y)
LDFLAGS_MODULE	+= -T $(srctree)/arch/arm/kernel/module.lds
endif

OBJCOPYFLAGS	:=-O binary -R .comment -S
GZFLAGS		:=-9
#KBUILD_CFLAGS	+=-pipe

# 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# Do not use arch/arm/defconfig - it's always outdated.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
KBUILD_CFLAGS	+= $(call cc-option,-mno-unaligned-access)
endif

ifeq ($(CONFIG_FRAME_POINTER),y)
KBUILD_CFLAGS	+=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
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

#
# The Scalar Replacement of Aggregates (SRA) optimization pass in GCC 4.9 and
# later may result in code being generated that handles signed short and signed
# char struct members incorrectly. So disable it.
# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932)
#
KBUILD_CFLAGS	+= $(call cc-option,-fno-ipa-sra)

# 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-$(CONFIG_CPU_32v7M)	=-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
arch-$(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

# Evaluate arch cc-option calls now
arch-y := $(arch-y)

# 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)

# Evaluate tune cc-option calls now
tune-y := $(tune-y)

ifeq ($(CONFIG_AEABI),y)
CFLAGS_ABI	:=-mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp
else
CFLAGS_ABI	:=$(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_ISA	:=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
AFLAGS_ISA	:=$(CFLAGS_ISA) -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
else
CFLAGS_ISA	:=$(call cc-option,-marm,)
AFLAGS_ISA	:=$(CFLAGS_ISA)
endif

# Need -Uarm for gcc < 3.x
KBUILD_CFLAGS	+=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
KBUILD_AFLAGS	+=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float

CHECKFLAGS	+= -D__arm__

#Default value
head-y		:= arch/arm/kernel/head$(MMUEXT).o

# Text offset. This list is sorted numerically by address in order to
# provide a means to avoid/resolve conflicts in multi-arch kernels.
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-$(CONFIG_ARCH_MSM8X60) := 0x00208000
textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000

# Machine directory name.  This list is sorted alphanumerically
# by CONFIG_* macro name.
machine-$(CONFIG_ARCH_ALPINE)		+= alpine
machine-$(CONFIG_ARCH_AT91)		+= at91
machine-$(CONFIG_ARCH_AXXIA)		+= axxia
machine-$(CONFIG_ARCH_BCM)		+= bcm
machine-$(CONFIG_ARCH_BERLIN)		+= berlin
machine-$(CONFIG_ARCH_CLPS711X)		+= clps711x
machine-$(CONFIG_ARCH_CNS3XXX)		+= cns3xxx
machine-$(CONFIG_ARCH_DAVINCI)		+= davinci
machine-$(CONFIG_ARCH_DIGICOLOR)	+= digicolor
machine-$(CONFIG_ARCH_DOVE)		+= dove
machine-$(CONFIG_ARCH_EBSA110)		+= ebsa110
machine-$(CONFIG_ARCH_EFM32)		+= efm32
machine-$(CONFIG_ARCH_EP93XX)		+= ep93xx
machine-$(CONFIG_ARCH_EXYNOS)		+= exynos
machine-$(CONFIG_ARCH_FOOTBRIDGE)	+= footbridge
machine-$(CONFIG_ARCH_GEMINI)		+= gemini
machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
machine-$(CONFIG_ARCH_HISI)		+= hisi
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_KEYSTONE)		+= keystone
machine-$(CONFIG_ARCH_KS8695)		+= ks8695
machine-$(CONFIG_ARCH_LPC18XX)		+= lpc18xx
machine-$(CONFIG_ARCH_LPC32XX)		+= lpc32xx
machine-$(CONFIG_ARCH_MESON)		+= meson
machine-$(CONFIG_ARCH_MMP)		+= mmp
machine-$(CONFIG_ARCH_MOXART)		+= moxart
machine-$(CONFIG_ARCH_MV78XX0)		+= mv78xx0
machine-$(CONFIG_ARCH_MVEBU)		+= mvebu
machine-$(CONFIG_ARCH_MXC)		+= imx
machine-$(CONFIG_ARCH_MEDIATEK)		+= mediatek
machine-$(CONFIG_ARCH_MXS)		+= mxs
machine-$(CONFIG_ARCH_NETX)		+= netx
machine-$(CONFIG_ARCH_NOMADIK)		+= nomadik
machine-$(CONFIG_ARCH_NSPIRE)		+= nspire
machine-$(CONFIG_ARCH_OMAP1)		+= omap1
machine-$(CONFIG_ARCH_OMAP2PLUS)	+= omap2
machine-$(CONFIG_ARCH_ORION5X)		+= orion5x
machine-$(CONFIG_ARCH_PICOXCELL)	+= picoxcell
machine-$(CONFIG_ARCH_PXA)		+= pxa
machine-$(CONFIG_ARCH_QCOM)		+= qcom
machine-$(CONFIG_ARCH_REALVIEW)		+= realview
machine-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip
machine-$(CONFIG_ARCH_RPC)		+= rpc
machine-$(CONFIG_ARCH_S3C24XX)		+= s3c24xx
machine-$(CONFIG_ARCH_S3C64XX)		+= s3c64xx
machine-$(CONFIG_ARCH_S5PV210)		+= s5pv210
machine-$(CONFIG_ARCH_SA1100)		+= sa1100
machine-$(CONFIG_ARCH_SHMOBILE) 	+= shmobile
machine-$(CONFIG_ARCH_SIRF)		+= prima2
machine-$(CONFIG_ARCH_SOCFPGA)		+= socfpga
machine-$(CONFIG_ARCH_STI)		+= sti
machine-$(CONFIG_ARCH_STM32)		+= stm32
machine-$(CONFIG_ARCH_SUNXI)		+= sunxi
machine-$(CONFIG_ARCH_TEGRA)		+= tegra
machine-$(CONFIG_ARCH_U300)		+= u300
machine-$(CONFIG_ARCH_U8500)		+= ux500
machine-$(CONFIG_ARCH_UNIPHIER)		+= uniphier
machine-$(CONFIG_ARCH_VERSATILE)	+= versatile
machine-$(CONFIG_ARCH_VEXPRESS)		+= vexpress
machine-$(CONFIG_ARCH_VT8500)		+= vt8500
machine-$(CONFIG_ARCH_W90X900)		+= w90x900
machine-$(CONFIG_ARCH_ZX)		+= zx
machine-$(CONFIG_ARCH_ZYNQ)		+= zynq
machine-$(CONFIG_PLAT_SPEAR)		+= spear

# Platform directory name.  This list is sorted alphanumerically
# by CONFIG_* macro name.
plat-$(CONFIG_ARCH_EXYNOS)	+= samsung
plat-$(CONFIG_ARCH_OMAP)	+= omap
plat-$(CONFIG_ARCH_S3C64XX)	+= samsung
plat-$(CONFIG_ARCH_S5PV210)	+= samsung
plat-$(CONFIG_PLAT_IOP)		+= iop
plat-$(CONFIG_PLAT_ORION)	+= orion
plat-$(CONFIG_PLAT_PXA)		+= pxa
plat-$(CONFIG_PLAT_S3C24XX)	+= samsung
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,$(machine-y))/
else
MACHINE  :=
endif
ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y)
MACHINE  :=
endif

machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
platdirs := $(patsubst %,arch/arm/plat-%/,$(sort $(plat-y)))

ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
ifeq ($(KBUILD_SRC),)
KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
else
KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
endif
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-$(CONFIG_XEN)		+= arch/arm/xen/
core-$(CONFIG_KVM_ARM_HOST) 	+= arch/arm/kvm/
core-$(CONFIG_VDSO)		+= arch/arm/vdso/

# 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/probes/
core-y				+= arch/arm/net/
core-y				+= arch/arm/crypto/
core-y				+= arch/arm/firmware/
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

# Build the DT binary blobs if we have OF configured
ifeq ($(CONFIG_USE_OF),y)
KBUILD_DTBS := dtbs
endif

all:	$(KBUILD_IMAGE) $(KBUILD_DTBS)

boot := arch/arm/boot

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

# Convert bzImage to zImage
bzImage: zImage

BOOT_TARGETS	= zImage Image xipImage bootpImage uImage
INSTALL_TARGETS	= zinstall uinstall install

PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)

bootpImage uImage: zImage
zImage: Image

$(BOOT_TARGETS): vmlinux
	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@

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

%.dtb: | scripts
	$(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@

PHONY += dtbs dtbs_install

dtbs: prepare scripts
	$(Q)$(MAKE) $(build)=$(boot)/dts

dtbs_install:
	$(Q)$(MAKE) $(dtbinst)=$(boot)/dts

PHONY += vdso_install
vdso_install:
ifeq ($(CONFIG_VDSO),y)
	$(Q)$(MAKE) $(build)=arch/arm/vdso $@
endif

# 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  '  dtbs_install  - Install dtbs to $(INSTALL_DTBS_PATH)'
  echo  '  install       - Install uncompressed kernel'
  echo  '  zinstall      - Install compressed kernel'
  echo  '  uinstall      - Install U-Boot wrapped compressed kernel'
  echo  '                  Install using (your) ~/bin/$(INSTALLKERNEL) or'
  echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
  echo  '                  install to $$(INSTALL_PATH) and run lilo'
  echo  '  vdso_install  - Install unstripped vdso.so to $$(INSTALL_MOD_PATH)/vdso'
endef
Commit	Line	Data
1da177e4 LT	1	#
	2	# arch/arm/Makefile
	3	#
4f193362 PS	4	# This file is included by the global makefile so that you can add your own
	5	# architecture-specific flags and dependencies.
	6	#
1da177e4 LT	7	# This file is subject to the terms and conditions of the GNU General Public
	8	# License. See the file "COPYING" in the main directory of this archive
	9	# for more details.
	10	#
	11	# Copyright (C) 1995-2001 by Russell King
	12
bcccc50c VS	13	# Ensure linker flags are correct
	14	LDFLAGS :=
	15
02e541db	16	LDFLAGS_vmlinux :=-p --no-undefined -X --pic-veneer
26584853 CM	17	ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
26584853 CM	18	LDFLAGS_vmlinux += --be8
0ab89d0b	19	LDFLAGS_MODULE += --be8
26584853	20	endif
51b563fc	21
7d485f64 AB	22	ifeq ($(CONFIG_ARM_MODULE_PLTS),y)
	23	LDFLAGS_MODULE += -T $(srctree)/arch/arm/kernel/module.lds
	24	endif
	25
dc810efb	26	OBJCOPYFLAGS :=-O binary -R .comment -S
1da177e4	27	GZFLAGS :=-9
a0f97e06	28	#KBUILD_CFLAGS +=-pipe
1da177e4	29
bd365591 MM	30	# Never generate .eh_frame
	31	KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
	32
1da177e4 LT	33	# Do not use arch/arm/defconfig - it's always outdated.
	34	# Select a platform tht is kept up-to-date
	35	KBUILD_DEFCONFIG := versatile_defconfig
	36
3dbda77e	37	# defines filename extension depending memory management type.
f8c07de6 HC	38	ifeq ($(CONFIG_MMU),)
f8c07de6 HC	39	MMUEXT := -nommu
e91b36ef	40	KBUILD_CFLAGS += $(call cc-option,-mno-unaligned-access)
f8c07de6 HC	41	endif
f8c07de6 HC	42
1da177e4	43	ifeq ($(CONFIG_FRAME_POINTER),y)
a0f97e06	44	KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
1da177e4 LT	45	endif
	46
	47	ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
06c5040c	48	KBUILD_CPPFLAGS += -mbig-endian
1da177e4 LT	49	AS += -EB
	50	LD += -EB
	51	else
06c5040c	52	KBUILD_CPPFLAGS += -mlittle-endian
1da177e4 LT	53	AS += -EL
	54	LD += -EL
	55	endif
	56
a077224f AB	57	#
	58	# The Scalar Replacement of Aggregates (SRA) optimization pass in GCC 4.9 and
	59	# later may result in code being generated that handles signed short and signed
	60	# char struct members incorrectly. So disable it.
	61	# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932)
	62	#
	63	KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra)
	64
1da177e4 LT	65	# This selects which instruction set is used.
	66	# Note that GCC does not numerically define an architecture version
	67	# macro, but instead defines a whole series of macros which makes
	68	# testing for a specific architecture or later rather impossible.
3c0c01ab	69	arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
1b21376a DA	70	arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
1b21376a DA	71	arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
23688e99 CM	72	# Only override the compiler option if ARMv6. The ARMv6K extensions are
	73	# always available in ARMv7
	74	ifeq ($(CONFIG_CPU_32v6),y)
1b21376a	75	arch-$(CONFIG_CPU_32v6K) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
23688e99	76	endif
1b21376a DA	77	arch-$(CONFIG_CPU_32v5) =-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
	78	arch-$(CONFIG_CPU_32v4T) =-D__LINUX_ARM_ARCH__=4 -march=armv4t
	79	arch-$(CONFIG_CPU_32v4) =-D__LINUX_ARM_ARCH__=4 -march=armv4
	80	arch-$(CONFIG_CPU_32v3) =-D__LINUX_ARM_ARCH__=3 -march=armv3
	81
	82	# Evaluate arch cc-option calls now
	83	arch-y := $(arch-y)
1da177e4 LT	84
1da177e4 LT	85	# This selects how we optimise for the processor.
1b21376a DA	86	tune-$(CONFIG_CPU_ARM7TDMI) =-mtune=arm7tdmi
	87	tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi
	88	tune-$(CONFIG_CPU_ARM740T) =-mtune=arm7tdmi
	89	tune-$(CONFIG_CPU_ARM9TDMI) =-mtune=arm9tdmi
	90	tune-$(CONFIG_CPU_ARM940T) =-mtune=arm9tdmi
	91	tune-$(CONFIG_CPU_ARM946E) =$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
	92	tune-$(CONFIG_CPU_ARM920T) =-mtune=arm9tdmi
	93	tune-$(CONFIG_CPU_ARM922T) =-mtune=arm9tdmi
	94	tune-$(CONFIG_CPU_ARM925T) =-mtune=arm9tdmi
	95	tune-$(CONFIG_CPU_ARM926T) =-mtune=arm9tdmi
	96	tune-$(CONFIG_CPU_FA526) =-mtune=arm9tdmi
	97	tune-$(CONFIG_CPU_SA110) =-mtune=strongarm110
	98	tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100
	99	tune-$(CONFIG_CPU_XSCALE) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
	100	tune-$(CONFIG_CPU_XSC3) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
	101	tune-$(CONFIG_CPU_FEROCEON) =$(call cc-option,-mtune=marvell-f,-mtune=xscale)
	102	tune-$(CONFIG_CPU_V6) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
	103	tune-$(CONFIG_CPU_V6K) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
	104
	105	# Evaluate tune cc-option calls now
	106	tune-y := $(tune-y)
1da177e4	107
704bdda0	108	ifeq ($(CONFIG_AEABI),y)
d326b65c	109	CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp
704bdda0	110	else
c28a814f	111	CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
704bdda0 NP	112	endif
704bdda0 NP	113
adf8b37b CM	114	ifeq ($(CONFIG_ARM_UNWIND),y)
	115	CFLAGS_ABI +=-funwind-tables
	116	endif
	117
16c79651	118	ifeq ($(CONFIG_THUMB2_KERNEL),y)
c540b9ff	119	AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
16c79651	120	AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
91802a8e AB	121	CFLAGS_ISA :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
91802a8e AB	122	AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mthumb
6f685c5c DM	123	# Work around buggy relocation from gas if requested:
	124	ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
	125	CFLAGS_MODULE +=-fno-optimize-sibling-calls
	126	endif
91802a8e AB	127	else
	128	CFLAGS_ISA :=$(call cc-option,-marm,)
	129	AFLAGS_ISA :=$(CFLAGS_ISA)
16c79651 CM	130	endif
16c79651 CM	131
704bdda0	132	# Need -Uarm for gcc < 3.x
91802a8e AB	133	KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
91802a8e AB	134	KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
1da177e4 LT	135
	136	CHECKFLAGS += -D__arm__
	137
	138	#Default value
5290dc29	139	head-y := arch/arm/kernel/head$(MMUEXT).o
10508b20 DT	140
	141	# Text offset. This list is sorted numerically by address in order to
	142	# provide a means to avoid/resolve conflicts in multi-arch kernels.
9d4f13e5	143	textofs-y := 0x00008000
b4175b89	144	textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
c4761b69 VK	145	# We don't want the htc bootloader to corrupt kernel during resume
c4761b69 VK	146	textofs-$(CONFIG_PM_H1940) := 0x00108000
1da177e4	147	# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
b4175b89 RK	148	ifeq ($(CONFIG_ARCH_SA1100),y)
b4175b89 RK	149	textofs-$(CONFIG_SA1111) := 0x00208000
1da177e4	150	endif
9e775ad1 SB	151	textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
9e775ad1 SB	152	textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
1d22924e	153	textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
b4175b89 RK	154
	155	# Machine directory name. This list is sorted alphanumerically
	156	# by CONFIG_* macro name.
445d9b30	157	machine-$(CONFIG_ARCH_ALPINE) += alpine
387798b3	158	machine-$(CONFIG_ARCH_AT91) += at91
1d22924e	159	machine-$(CONFIG_ARCH_AXXIA) += axxia
8ac49e04	160	machine-$(CONFIG_ARCH_BCM) += bcm
1c37fa10	161	machine-$(CONFIG_ARCH_BERLIN) += berlin
387798b3 RH	162	machine-$(CONFIG_ARCH_CLPS711X) += clps711x
	163	machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx
	164	machine-$(CONFIG_ARCH_DAVINCI) += davinci
16083d45	165	machine-$(CONFIG_ARCH_DIGICOLOR) += digicolor
387798b3 RH	166	machine-$(CONFIG_ARCH_DOVE) += dove
387798b3 RH	167	machine-$(CONFIG_ARCH_EBSA110) += ebsa110
6d85e2b0	168	machine-$(CONFIG_ARCH_EFM32) += efm32
387798b3	169	machine-$(CONFIG_ARCH_EP93XX) += ep93xx
6eddacae	170	machine-$(CONFIG_ARCH_EXYNOS) += exynos
c3c963e1	171	machine-$(CONFIG_ARCH_FOOTBRIDGE) += footbridge
387798b3	172	machine-$(CONFIG_ARCH_GEMINI) += gemini
387798b3	173	machine-$(CONFIG_ARCH_HIGHBANK) += highbank
7685b125	174	machine-$(CONFIG_ARCH_HISI) += hisi
387798b3 RH	175	machine-$(CONFIG_ARCH_INTEGRATOR) += integrator
	176	machine-$(CONFIG_ARCH_IOP13XX) += iop13xx
	177	machine-$(CONFIG_ARCH_IOP32X) += iop32x
	178	machine-$(CONFIG_ARCH_IOP33X) += iop33x
	179	machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx
6eddacae	180	machine-$(CONFIG_ARCH_KEYSTONE) += keystone
387798b3	181	machine-$(CONFIG_ARCH_KS8695) += ks8695
e8d235d4	182	machine-$(CONFIG_ARCH_LPC18XX) += lpc18xx
387798b3	183	machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
3b8f5030	184	machine-$(CONFIG_ARCH_MESON) += meson
387798b3	185	machine-$(CONFIG_ARCH_MMP) += mmp
17723fd3	186	machine-$(CONFIG_ARCH_MOXART) += moxart
387798b3	187	machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0
6eddacae	188	machine-$(CONFIG_ARCH_MVEBU) += mvebu
387798b3	189	machine-$(CONFIG_ARCH_MXC) += imx
f682a218	190	machine-$(CONFIG_ARCH_MEDIATEK) += mediatek
387798b3	191	machine-$(CONFIG_ARCH_MXS) += mxs
387798b3 RH	192	machine-$(CONFIG_ARCH_NETX) += netx
387798b3 RH	193	machine-$(CONFIG_ARCH_NOMADIK) += nomadik
9851ca57	194	machine-$(CONFIG_ARCH_NSPIRE) += nspire
387798b3 RH	195	machine-$(CONFIG_ARCH_OMAP1) += omap1
	196	machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
	197	machine-$(CONFIG_ARCH_ORION5X) += orion5x
	198	machine-$(CONFIG_ARCH_PICOXCELL) += picoxcell
387798b3	199	machine-$(CONFIG_ARCH_PXA) += pxa
8fc1b0f8	200	machine-$(CONFIG_ARCH_QCOM) += qcom
387798b3	201	machine-$(CONFIG_ARCH_REALVIEW) += realview
d63dc051	202	machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
387798b3	203	machine-$(CONFIG_ARCH_RPC) += rpc
acf2d41d	204	machine-$(CONFIG_ARCH_S3C24XX) += s3c24xx
387798b3	205	machine-$(CONFIG_ARCH_S3C64XX) += s3c64xx
387798b3	206	machine-$(CONFIG_ARCH_S5PV210) += s5pv210
387798b3	207	machine-$(CONFIG_ARCH_SA1100) += sa1100
387798b3	208	machine-$(CONFIG_ARCH_SHMOBILE) += shmobile
6eddacae RK	209	machine-$(CONFIG_ARCH_SIRF) += prima2
	210	machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
	211	machine-$(CONFIG_ARCH_STI) += sti
9b799b78	212	machine-$(CONFIG_ARCH_STM32) += stm32
6eddacae	213	machine-$(CONFIG_ARCH_SUNXI) += sunxi
387798b3 RH	214	machine-$(CONFIG_ARCH_TEGRA) += tegra
	215	machine-$(CONFIG_ARCH_U300) += u300
	216	machine-$(CONFIG_ARCH_U8500) += ux500
ba56a987	217	machine-$(CONFIG_ARCH_UNIPHIER) += uniphier
387798b3 RH	218	machine-$(CONFIG_ARCH_VERSATILE) += versatile
	219	machine-$(CONFIG_ARCH_VEXPRESS) += vexpress
	220	machine-$(CONFIG_ARCH_VT8500) += vt8500
	221	machine-$(CONFIG_ARCH_W90X900) += w90x900
acede515	222	machine-$(CONFIG_ARCH_ZX) += zx
6eddacae	223	machine-$(CONFIG_ARCH_ZYNQ) += zynq
a7ed099f	224	machine-$(CONFIG_PLAT_SPEAR) += spear
b4175b89 RK	225
	226	# Platform directory name. This list is sorted alphanumerically
	227	# by CONFIG_* macro name.
e245f969	228	plat-$(CONFIG_ARCH_EXYNOS) += samsung
387798b3 RH	229	plat-$(CONFIG_ARCH_OMAP) += omap
387798b3 RH	230	plat-$(CONFIG_ARCH_S3C64XX) += samsung
aa42587a	231	plat-$(CONFIG_ARCH_S5PV210) += samsung
387798b3	232	plat-$(CONFIG_PLAT_IOP) += iop
387798b3 RH	233	plat-$(CONFIG_PLAT_ORION) += orion
387798b3 RH	234	plat-$(CONFIG_PLAT_PXA) += pxa
09ec1d7e	235	plat-$(CONFIG_PLAT_S3C24XX) += samsung
387798b3	236	plat-$(CONFIG_PLAT_VERSATILE) += versatile
1da177e4 LT	237
	238	ifeq ($(CONFIG_ARCH_EBSA110),y)
	239	# This is what happens if you forget the IOCS16 line.
	240	# PCMCIA cards stop working.
	241	CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
	242	export CFLAGS_3c589_cs.o
	243	endif
	244
9d4f13e5 RK	245	# The byte offset of the kernel image in RAM from the start of RAM.
9d4f13e5 RK	246	TEXT_OFFSET := $(textofs-y)
1da177e4	247
f44f82e8	248	# The first directory contains additional information for the boot setup code
1da177e4	249	ifneq ($(machine-y),)
f44f82e8	250	MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
1da177e4 LT	251	else
	252	MACHINE :=
	253	endif
387798b3 RH	254	ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y)
	255	MACHINE :=
	256	endif
a21765a7	257
f44f82e8	258	machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
aa42587a	259	platdirs := $(patsubst %,arch/arm/plat-%/,$(sort $(plat-y)))
f44f82e8	260
387798b3	261	ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
f44f82e8 RK	262	ifeq ($(KBUILD_SRC),)
	263	KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
	264	else
	265	KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
	266	endif
387798b3	267	endif
f44f82e8	268
f8c07de6	269	export TEXT_OFFSET GZFLAGS MMUEXT
1da177e4 LT	270
	271	# Do we have FASTFPE?
	272	FASTFPE :=arch/arm/fastfpe
	273	ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
	274	FASTFPE_OBJ :=$(FASTFPE)/
	275	endif
	276
1da177e4 LT	277	core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
	278	core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
	279	core-$(CONFIG_VFP) += arch/arm/vfp/
4c071ee5	280	core-$(CONFIG_XEN) += arch/arm/xen/
749cf76c	281	core-$(CONFIG_KVM_ARM_HOST) += arch/arm/kvm/
e5b61deb	282	core-$(CONFIG_VDSO) += arch/arm/vdso/
1da177e4	283
c62d0f2a NP	284	# If we have a machine-specific directory, then include it in the build.
c62d0f2a NP	285	core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
fca08f32	286	core-y += arch/arm/probes/
ddecdfce	287	core-y += arch/arm/net/
f0be44f4	288	core-y += arch/arm/crypto/
d9a1beaa	289	core-y += arch/arm/firmware/
c62d0f2a NP	290	core-y += $(machdirs) $(platdirs)
c62d0f2a NP	291
1da177e4	292	drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
1da177e4	293
30c2f90b	294	libs-y := arch/arm/lib/ $(libs-y)
1da177e4 LT	295
	296	# Default target when executing plain make
	297	ifeq ($(CONFIG_XIP_KERNEL),y)
51342d71	298	KBUILD_IMAGE := xipImage
1da177e4	299	else
51342d71	300	KBUILD_IMAGE := zImage
1da177e4 LT	301	endif
1da177e4 LT	302
e50a622d AL	303	# Build the DT binary blobs if we have OF configured
	304	ifeq ($(CONFIG_USE_OF),y)
	305	KBUILD_DTBS := dtbs
	306	endif
	307
	308	all: $(KBUILD_IMAGE) $(KBUILD_DTBS)
51342d71	309
1da177e4 LT	310	boot := arch/arm/boot
1da177e4 LT	311
66206536 SR	312	archprepare:
66206536 SR	313	$(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h
1da177e4 LT	314
	315	# Convert bzImage to zImage
	316	bzImage: zImage
	317
19514fc6 RR	318	BOOT_TARGETS = zImage Image xipImage bootpImage uImage
	319	INSTALL_TARGETS = zinstall uinstall install
	320
	321	PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
	322
3939f334 MY	323	bootpImage uImage: zImage
	324	zImage: Image
	325
19514fc6	326	$(BOOT_TARGETS): vmlinux
1da177e4 LT	327	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
1da177e4 LT	328
19514fc6	329	$(INSTALL_TARGETS):
1da177e4 LT	330	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
1da177e4 LT	331
81793bab	332	%.dtb: \| scripts
499cd829	333	$(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@
5fd1a2ed	334
f4d4ffc0	335	PHONY += dtbs dtbs_install
9fb5e537 RR	336
9fb5e537 RR	337	dtbs: prepare scripts
6f889d8b	338	$(Q)$(MAKE) $(build)=$(boot)/dts
5fd1a2ed	339
9fb5e537	340	dtbs_install:
6f889d8b	341	$(Q)$(MAKE) $(dtbinst)=$(boot)/dts
9fb5e537	342
e5b61deb NL	343	PHONY += vdso_install
	344	vdso_install:
	345	ifeq ($(CONFIG_VDSO),y)
	346	$(Q)$(MAKE) $(build)=arch/arm/vdso $@
	347	endif
	348
1da177e4 LT	349	# We use MRPROPER_FILES and CLEAN_FILES now
	350	archclean:
	351	$(Q)$(MAKE) $(clean)=$(boot)
	352
	353	# My testing targets (bypasses dependencies)
	354	bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
	355	i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
	356
1da177e4 LT	357
	358	define archhelp
	359	echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
	360	echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
	361	echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
a4f14bac	362	echo ' uImage - U-Boot wrapped zImage'
c01c5a50	363	echo ' bootpImage - Combined zImage and initial RAM disk'
1da177e4	364	echo ' (supply initrd image via make variable INITRD=<path>)'
e50a622d	365	echo '* dtbs - Build device tree blobs for enabled boards'
f4d4ffc0	366	echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
1da177e4 LT	367	echo ' install - Install uncompressed kernel'
1da177e4 LT	368	echo ' zinstall - Install compressed kernel'
a65d2922	369	echo ' uinstall - Install U-Boot wrapped compressed kernel'
caa27b66 SR	370	echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
caa27b66 SR	371	echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
1da177e4	372	echo ' install to $$(INSTALL_PATH) and run lilo'
e5b61deb	373	echo ' vdso_install - Install unstripped vdso.so to $$(INSTALL_MOD_PATH)/vdso'
1da177e4	374	endef