[linux-block.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

LDFLAGS_vmlinux	:= --no-undefined -X --pic-veneer -z norelro
ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
LDFLAGS_vmlinux	+= --be8
KBUILD_LDFLAGS_MODULE	+= --be8
endif

GZFLAGS		:=-9
#KBUILD_CFLAGS	+=-pipe

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

# Disable FDPIC ABI
KBUILD_CFLAGS	+= $(call cc-option,-mno-fdpic)

# This should work on most of the modern platforms
KBUILD_DEFCONFIG := multi_v7_defconfig

# defines filename extension depending memory management type.
ifeq ($(CONFIG_MMU),)
MMUEXT		:= -nommu
KBUILD_CFLAGS	+= $(call cc-option,-mno-unaligned-access)
endif

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

ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
KBUILD_CPPFLAGS	+= -mbig-endian
CHECKFLAGS	+= -D__ARMEB__
KBUILD_LDFLAGS	+= -EB
else
KBUILD_CPPFLAGS	+= -mlittle-endian
CHECKFLAGS	+= -D__ARMEL__
KBUILD_LDFLAGS	+= -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.
arch-$(CONFIG_CPU_32v7M)	:=-march=armv7-m
arch-$(CONFIG_CPU_32v7)		:=-march=armv7-a
arch-$(CONFIG_CPU_32v6)		:=-march=armv6
# Only override the compiler option if ARMv6. The ARMv6K extensions are
# always available in ARMv7
ifeq ($(CONFIG_CPU_32v6),y)
arch-$(CONFIG_CPU_32v6K)	:=-march=armv6k
endif
arch-$(CONFIG_CPU_32v5)		:=-march=armv5te
arch-$(CONFIG_CPU_32v4T)	:=-march=armv4t
arch-$(CONFIG_CPU_32v4)		:=-march=armv4
arch-$(CONFIG_CPU_32v3)		:=-march=armv3m

# 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.
cpp-$(CONFIG_CPU_32v7M)		:=-D__LINUX_ARM_ARCH__=7
cpp-$(CONFIG_CPU_32v7)		:=-D__LINUX_ARM_ARCH__=7
cpp-$(CONFIG_CPU_32v6)		:=-D__LINUX_ARM_ARCH__=6
# Only override the compiler option if ARMv6. The ARMv6K extensions are
# always available in ARMv7
ifeq ($(CONFIG_CPU_32v6),y)
cpp-$(CONFIG_CPU_32v6K)		:=-D__LINUX_ARM_ARCH__=6
endif
cpp-$(CONFIG_CPU_32v5)		:=-D__LINUX_ARM_ARCH__=5
cpp-$(CONFIG_CPU_32v4T)		:=-D__LINUX_ARM_ARCH__=4
cpp-$(CONFIG_CPU_32v4)		:=-D__LINUX_ARM_ARCH__=4
cpp-$(CONFIG_CPU_32v3)		:=-D__LINUX_ARM_ARCH__=3

# 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)	:=-mtune=arm9e
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)	:=-mtune=xscale
tune-$(CONFIG_CPU_XSC3)		:=-mtune=xscale
tune-$(CONFIG_CPU_FEROCEON)	:=-mtune=xscale
tune-$(CONFIG_CPU_V6)		:=-mtune=arm1136j-s
tune-$(CONFIG_CPU_V6K)		:=-mtune=arm1136j-s

ifeq ($(CONFIG_AEABI),y)
CFLAGS_ABI	:=-mabi=aapcs-linux -mfpu=vfp
else
CFLAGS_ABI	:=$(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_CC_IS_CLANG),y)
CFLAGS_ABI	+= -meabi gnu
endif

ifeq ($(CONFIG_CURRENT_POINTER_IN_TPIDRURO),y)
KBUILD_CFLAGS	+= -mtp=cp15
endif

# Accept old syntax despite ".syntax unified"
AFLAGS_NOWARN	:=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)

ifeq ($(CONFIG_THUMB2_KERNEL),y)
CFLAGS_ISA	:=-Wa,-mimplicit-it=always $(AFLAGS_NOWARN)
AFLAGS_ISA	:=$(CFLAGS_ISA) -Wa$(comma)-mthumb
CFLAGS_ISA	+=-mthumb
else
CFLAGS_ISA	:=$(call cc-option,-marm,) $(AFLAGS_NOWARN)
AFLAGS_ISA	:=$(CFLAGS_ISA)
endif

# Need -Uarm for gcc < 3.x
KBUILD_CPPFLAGS	+=$(cpp-y)
KBUILD_CFLAGS	+=$(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) $(AFLAGS_ISA) -Wa,$(arch-y) $(tune-y) -include asm/unified.h -msoft-float

CHECKFLAGS	+= -D__arm__

# Text offset. This list is sorted numerically by address in order to
# provide a means to avoid/resolve conflicts in multi-arch kernels.
# Note: the 32kB below this value is reserved for use by the kernel
# during boot, and this offset is critical to the functioning of
# kexec-tools.
textofs-y	:= 0x00008000
# RTD1195 has Boot ROM at start of address space
textofs-$(CONFIG_ARCH_REALTEK)  := 0x00108000
# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
ifeq ($(CONFIG_ARCH_SA1100),y)
textofs-$(CONFIG_SA1111) := 0x00208000
endif
textofs-$(CONFIG_ARCH_IPQ40XX) := 0x00208000
textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
textofs-$(CONFIG_ARCH_MESON) := 0x00208000
textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000

# Machine directory name.  This list is sorted alphanumerically
# by CONFIG_* macro name.
machine-$(CONFIG_ARCH_ACTIONS)		+= actions
machine-$(CONFIG_ARCH_AIROHA)		+= airoha
machine-$(CONFIG_ARCH_ALPINE)		+= alpine
machine-$(CONFIG_ARCH_ARTPEC)		+= artpec
machine-$(CONFIG_ARCH_ASPEED)           += aspeed
machine-$(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-$(CONFIG_ARCH_DAVINCI)		+= davinci
machine-$(CONFIG_ARCH_DIGICOLOR)	+= digicolor
machine-$(CONFIG_ARCH_DOVE)		+= dove
machine-$(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_HPE)		+= hpe
machine-$(CONFIG_ARCH_IXP4XX)		+= ixp4xx
machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
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_MILBEAUT)		+= milbeaut
machine-$(CONFIG_ARCH_MXS)		+= mxs
machine-$(CONFIG_ARCH_MSTARV7)		+= mstar
machine-$(CONFIG_ARCH_NOMADIK)		+= nomadik
machine-$(CONFIG_ARCH_NPCM)		+= npcm
machine-$(CONFIG_ARCH_NSPIRE)		+= nspire
machine-$(CONFIG_ARCH_OMAP1)		+= omap1
machine-$(CONFIG_ARCH_OMAP2PLUS)	+= omap2
machine-$(CONFIG_ARCH_ORION5X)		+= orion5x
machine-$(CONFIG_ARCH_PXA)		+= pxa
machine-$(CONFIG_ARCH_QCOM)		+= qcom
machine-$(CONFIG_ARCH_REALTEK)		+= realtek
machine-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip
machine-$(CONFIG_ARCH_RPC)		+= rpc
machine-$(CONFIG_PLAT_SAMSUNG)		+= s3c
machine-$(CONFIG_ARCH_S5PV210)		+= s5pv210
machine-$(CONFIG_ARCH_SA1100)		+= sa1100
machine-$(CONFIG_ARCH_RENESAS)	 	+= shmobile
machine-$(CONFIG_ARCH_INTEL_SOCFPGA)	+= socfpga
machine-$(CONFIG_ARCH_STI)		+= sti
machine-$(CONFIG_ARCH_STM32)		+= stm32
machine-$(CONFIG_ARCH_SUNPLUS)		+= sunplus
machine-$(CONFIG_ARCH_SUNXI)		+= sunxi
machine-$(CONFIG_ARCH_TEGRA)		+= tegra
machine-$(CONFIG_ARCH_U8500)		+= ux500
machine-$(CONFIG_ARCH_VT8500)		+= vt8500
machine-$(CONFIG_ARCH_ZYNQ)		+= zynq
machine-$(CONFIG_PLAT_VERSATILE)	+= versatile
machine-$(CONFIG_PLAT_SPEAR)		+= spear

# legacy platforms provide their own mach/*.h headers globally,
# these three are mutually exclusive
machdirs-$(CONFIG_ARCH_FOOTBRIDGE)	+= arch/arm/mach-footbridge
machdirs-$(CONFIG_ARCH_RPC)		+= arch/arm/mach-rpc
machdirs-$(CONFIG_ARCH_SA1100)		+= arch/arm/mach-sa1100
KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%/include,$(machdirs-y))

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

export	TEXT_OFFSET GZFLAGS MMUEXT

# If we have a machine-specific directory, then include it in the build.
core-y				+= $(patsubst %,arch/arm/mach-%/,$(machine-y))
# For cleaning
core-				+= $(patsubst %,arch/arm/mach-%/,$(machine-))

core-$(CONFIG_PLAT_ORION)	+= arch/arm/plat-orion/

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

# Default target when executing plain make
boot := arch/arm/boot
ifeq ($(CONFIG_XIP_KERNEL),y)
KBUILD_IMAGE := $(boot)/xipImage
else
KBUILD_IMAGE := $(boot)/zImage
endif

ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y)
prepare: stack_protector_prepare
ifeq ($(CONFIG_CC_HAVE_STACKPROTECTOR_TLS),y)
stack_protector_prepare: prepare0
	$(eval KBUILD_CFLAGS += \
		-mstack-protector-guard=tls \
		-mstack-protector-guard-offset=$(shell	\
			awk '{if ($$2 == "TSK_STACK_CANARY") print $$3;}'\
				include/generated/asm-offsets.h))
else
stack_protector_prepare: prepare0
	$(eval SSP_PLUGIN_CFLAGS := \
		-fplugin-arg-arm_ssp_per_task_plugin-offset=$(shell	\
			awk '{if ($$2 == "TSK_STACK_CANARY") print $$3;}'\
				include/generated/asm-offsets.h))
	$(eval KBUILD_CFLAGS += $(SSP_PLUGIN_CFLAGS))
	$(eval GCC_PLUGINS_CFLAGS += $(SSP_PLUGIN_CFLAGS))
endif
endif

all:	$(notdir $(KBUILD_IMAGE))


archheaders:
	$(Q)$(MAKE) $(build)=arch/arm/tools uapi

archprepare:
	$(Q)$(MAKE) $(build)=arch/arm/tools kapi

# 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) $(boot)/$@
	@$(kecho) '  Kernel: $(boot)/$@ is ready'

$(INSTALL_TARGETS): KBUILD_IMAGE = $(boot)/$(patsubst %install,%Image,$@)
$(INSTALL_TARGETS):
	$(call cmd,install)

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

# My testing targets (bypasses dependencies)
bp:;	$(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage

include $(srctree)/scripts/Makefile.defconf
PHONY += multi_v7_lpae_defconfig
multi_v7_lpae_defconfig:
	$(call merge_into_defconfig,multi_v7_defconfig,lpae)

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/$(ARCH)/boot/xipImage)'
  echo  '  uImage        - U-Boot wrapped zImage'
  echo  '  bootpImage    - Combined zImage and initial RAM disk'
  echo  '                  (supply initrd image via make variable INITRD=<path>)'
  echo  '  install       - Install uncompressed kernel'
  echo  '  zinstall      - Install compressed kernel'
  echo  '  uinstall      - Install U-Boot wrapped compressed kernel'
  echo  '                  Install using (your) ~/bin/$(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'
  echo
  echo  '  multi_v7_lpae_defconfig     - multi_v7_defconfig with CONFIG_ARM_LPAE enabled'
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
0cda9bc1	13	LDFLAGS_vmlinux := --no-undefined -X --pic-veneer -z norelro
26584853 CM	14	ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
26584853 CM	15	LDFLAGS_vmlinux += --be8
336303ae	16	KBUILD_LDFLAGS_MODULE += --be8
26584853	17	endif
51b563fc	18
1da177e4	19	GZFLAGS :=-9
a0f97e06	20	#KBUILD_CFLAGS +=-pipe
1da177e4	21
bd365591 MM	22	# Never generate .eh_frame
	23	KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
	24
3d47ff25 BW	25	# Disable FDPIC ABI
	26	KBUILD_CFLAGS += $(call cc-option,-mno-fdpic)
	27
32872c04 AB	28	# This should work on most of the modern platforms
32872c04 AB	29	KBUILD_DEFCONFIG := multi_v7_defconfig
1da177e4	30
3dbda77e	31	# defines filename extension depending memory management type.
f8c07de6 HC	32	ifeq ($(CONFIG_MMU),)
f8c07de6 HC	33	MMUEXT := -nommu
e91b36ef	34	KBUILD_CFLAGS += $(call cc-option,-mno-unaligned-access)
f8c07de6 HC	35	endif
f8c07de6 HC	36
1da177e4	37	ifeq ($(CONFIG_FRAME_POINTER),y)
6dc5fd93 NH	38	KBUILD_CFLAGS +=-fno-omit-frame-pointer
	39	ifeq ($(CONFIG_CC_IS_GCC),y)
	40	KBUILD_CFLAGS += -mapcs -mno-sched-prolog
	41	endif
1da177e4 LT	42	endif
	43
	44	ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
06c5040c	45	KBUILD_CPPFLAGS += -mbig-endian
ff0c6eec	46	CHECKFLAGS += -D__ARMEB__
d503ac53	47	KBUILD_LDFLAGS += -EB
1da177e4	48	else
06c5040c	49	KBUILD_CPPFLAGS += -mlittle-endian
ff0c6eec	50	CHECKFLAGS += -D__ARMEL__
d503ac53	51	KBUILD_LDFLAGS += -EL
1da177e4 LT	52	endif
1da177e4 LT	53
a077224f AB	54	#
	55	# The Scalar Replacement of Aggregates (SRA) optimization pass in GCC 4.9 and
	56	# later may result in code being generated that handles signed short and signed
	57	# char struct members incorrectly. So disable it.
	58	# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932)
	59	#
	60	KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra)
	61
1da177e4	62	# This selects which instruction set is used.
1d2e9b67 ND	63	arch-$(CONFIG_CPU_32v7M) :=-march=armv7-m
	64	arch-$(CONFIG_CPU_32v7) :=-march=armv7-a
	65	arch-$(CONFIG_CPU_32v6) :=-march=armv6
	66	# Only override the compiler option if ARMv6. The ARMv6K extensions are
	67	# always available in ARMv7
	68	ifeq ($(CONFIG_CPU_32v6),y)
	69	arch-$(CONFIG_CPU_32v6K) :=-march=armv6k
	70	endif
	71	arch-$(CONFIG_CPU_32v5) :=-march=armv5te
	72	arch-$(CONFIG_CPU_32v4T) :=-march=armv4t
	73	arch-$(CONFIG_CPU_32v4) :=-march=armv4
	74	arch-$(CONFIG_CPU_32v3) :=-march=armv3m
	75
1da177e4 LT	76	# Note that GCC does not numerically define an architecture version
	77	# macro, but instead defines a whole series of macros which makes
	78	# testing for a specific architecture or later rather impossible.
1d2e9b67 ND	79	cpp-$(CONFIG_CPU_32v7M) :=-D__LINUX_ARM_ARCH__=7
	80	cpp-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7
	81	cpp-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6
23688e99 CM	82	# Only override the compiler option if ARMv6. The ARMv6K extensions are
	83	# always available in ARMv7
	84	ifeq ($(CONFIG_CPU_32v6),y)
1d2e9b67	85	cpp-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6
23688e99	86	endif
1d2e9b67 ND	87	cpp-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5
	88	cpp-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4
	89	cpp-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4
	90	cpp-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3
1da177e4 LT	91
1da177e4 LT	92	# This selects how we optimise for the processor.
5aa4860e ND	93	tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
	94	tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
	95	tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
	96	tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
	97	tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
	98	tune-$(CONFIG_CPU_ARM946E) :=-mtune=arm9e
	99	tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
	100	tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
	101	tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
	102	tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
	103	tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi
	104	tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
	105	tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
	106	tune-$(CONFIG_CPU_XSCALE) :=-mtune=xscale
	107	tune-$(CONFIG_CPU_XSC3) :=-mtune=xscale
	108	tune-$(CONFIG_CPU_FEROCEON) :=-mtune=xscale
	109	tune-$(CONFIG_CPU_V6) :=-mtune=arm1136j-s
	110	tune-$(CONFIG_CPU_V6K) :=-mtune=arm1136j-s
1da177e4	111
704bdda0	112	ifeq ($(CONFIG_AEABI),y)
22905a24	113	CFLAGS_ABI :=-mabi=aapcs-linux -mfpu=vfp
704bdda0	114	else
c28a814f	115	CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
704bdda0 NP	116	endif
704bdda0 NP	117
adf8b37b CM	118	ifeq ($(CONFIG_ARM_UNWIND),y)
	119	CFLAGS_ABI +=-funwind-tables
	120	endif
	121
b0fe66cf NC	122	ifeq ($(CONFIG_CC_IS_CLANG),y)
	123	CFLAGS_ABI += -meabi gnu
	124	endif
	125
50596b75	126	ifeq ($(CONFIG_CURRENT_POINTER_IN_TPIDRURO),y)
26b12e08	127	KBUILD_CFLAGS += -mtp=cp15
50596b75 AB	128	endif
50596b75 AB	129
75fea300 NP	130	# Accept old syntax despite ".syntax unified"
	131	AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
	132
16c79651	133	ifeq ($(CONFIG_THUMB2_KERNEL),y)
59e2cf8d	134	CFLAGS_ISA :=-Wa,-mimplicit-it=always $(AFLAGS_NOWARN)
2f62847c	135	AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mthumb
59e2cf8d	136	CFLAGS_ISA +=-mthumb
91802a8e	137	else
75fea300	138	CFLAGS_ISA :=$(call cc-option,-marm,) $(AFLAGS_NOWARN)
91802a8e	139	AFLAGS_ISA :=$(CFLAGS_ISA)
16c79651 CM	140	endif
16c79651 CM	141
704bdda0	142	# Need -Uarm for gcc < 3.x
1d2e9b67	143	KBUILD_CPPFLAGS +=$(cpp-y)
91802a8e	144	KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
1d2e9b67	145	KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) -Wa,$(arch-y) $(tune-y) -include asm/unified.h -msoft-float
1da177e4	146
1f2f01b1	147	CHECKFLAGS += -D__arm__
1da177e4	148
10508b20 DT	149	# Text offset. This list is sorted numerically by address in order to
10508b20 DT	150	# provide a means to avoid/resolve conflicts in multi-arch kernels.
83dfeedb RK	151	# Note: the 32kB below this value is reserved for use by the kernel
	152	# during boot, and this offset is critical to the functioning of
	153	# kexec-tools.
9d4f13e5	154	textofs-y := 0x00008000
86aeee4d AF	155	# RTD1195 has Boot ROM at start of address space
86aeee4d AF	156	textofs-$(CONFIG_ARCH_REALTEK) := 0x00108000
1da177e4	157	# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
b4175b89 RK	158	ifeq ($(CONFIG_ARCH_SA1100),y)
b4175b89 RK	159	textofs-$(CONFIG_SA1111) := 0x00208000
1da177e4	160	endif
f125e2d4	161	textofs-$(CONFIG_ARCH_IPQ40XX) := 0x00208000
9e775ad1 SB	162	textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
9e775ad1 SB	163	textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
d850f3e5	164	textofs-$(CONFIG_ARCH_MESON) := 0x00208000
1d22924e	165	textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
b4175b89 RK	166
	167	# Machine directory name. This list is sorted alphanumerically
	168	# by CONFIG_* macro name.
6bb8536c	169	machine-$(CONFIG_ARCH_ACTIONS) += actions
2cf1c348	170	machine-$(CONFIG_ARCH_AIROHA) += airoha
445d9b30	171	machine-$(CONFIG_ARCH_ALPINE) += alpine
590b460c	172	machine-$(CONFIG_ARCH_ARTPEC) += artpec
87dfe496	173	machine-$(CONFIG_ARCH_ASPEED) += aspeed
387798b3	174	machine-$(CONFIG_ARCH_AT91) += at91
1d22924e	175	machine-$(CONFIG_ARCH_AXXIA) += axxia
8ac49e04	176	machine-$(CONFIG_ARCH_BCM) += bcm
1c37fa10	177	machine-$(CONFIG_ARCH_BERLIN) += berlin
387798b3	178	machine-$(CONFIG_ARCH_CLPS711X) += clps711x
387798b3	179	machine-$(CONFIG_ARCH_DAVINCI) += davinci
16083d45	180	machine-$(CONFIG_ARCH_DIGICOLOR) += digicolor
387798b3	181	machine-$(CONFIG_ARCH_DOVE) += dove
387798b3	182	machine-$(CONFIG_ARCH_EP93XX) += ep93xx
6eddacae	183	machine-$(CONFIG_ARCH_EXYNOS) += exynos
c3c963e1	184	machine-$(CONFIG_ARCH_FOOTBRIDGE) += footbridge
387798b3	185	machine-$(CONFIG_ARCH_GEMINI) += gemini
387798b3	186	machine-$(CONFIG_ARCH_HIGHBANK) += highbank
7685b125	187	machine-$(CONFIG_ARCH_HISI) += hisi
11d89440	188	machine-$(CONFIG_ARCH_HPE) += hpe
387798b3	189	machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx
6eddacae	190	machine-$(CONFIG_ARCH_KEYSTONE) += keystone
e8d235d4	191	machine-$(CONFIG_ARCH_LPC18XX) += lpc18xx
387798b3	192	machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
3b8f5030	193	machine-$(CONFIG_ARCH_MESON) += meson
387798b3	194	machine-$(CONFIG_ARCH_MMP) += mmp
17723fd3	195	machine-$(CONFIG_ARCH_MOXART) += moxart
387798b3	196	machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0
6eddacae	197	machine-$(CONFIG_ARCH_MVEBU) += mvebu
387798b3	198	machine-$(CONFIG_ARCH_MXC) += imx
f682a218	199	machine-$(CONFIG_ARCH_MEDIATEK) += mediatek
9fb29c73	200	machine-$(CONFIG_ARCH_MILBEAUT) += milbeaut
387798b3	201	machine-$(CONFIG_ARCH_MXS) += mxs
312b62b6	202	machine-$(CONFIG_ARCH_MSTARV7) += mstar
387798b3	203	machine-$(CONFIG_ARCH_NOMADIK) += nomadik
7bffa14c	204	machine-$(CONFIG_ARCH_NPCM) += npcm
9851ca57	205	machine-$(CONFIG_ARCH_NSPIRE) += nspire
387798b3 RH	206	machine-$(CONFIG_ARCH_OMAP1) += omap1
	207	machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
	208	machine-$(CONFIG_ARCH_ORION5X) += orion5x
387798b3	209	machine-$(CONFIG_ARCH_PXA) += pxa
8fc1b0f8	210	machine-$(CONFIG_ARCH_QCOM) += qcom
86aeee4d	211	machine-$(CONFIG_ARCH_REALTEK) += realtek
d63dc051	212	machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
387798b3	213	machine-$(CONFIG_ARCH_RPC) += rpc
71b9114d	214	machine-$(CONFIG_PLAT_SAMSUNG) += s3c
387798b3	215	machine-$(CONFIG_ARCH_S5PV210) += s5pv210
387798b3	216	machine-$(CONFIG_ARCH_SA1100) += sa1100
d9be9ceb	217	machine-$(CONFIG_ARCH_RENESAS) += shmobile
910499e1	218	machine-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga
6eddacae	219	machine-$(CONFIG_ARCH_STI) += sti
9b799b78	220	machine-$(CONFIG_ARCH_STM32) += stm32
0aa94eea	221	machine-$(CONFIG_ARCH_SUNPLUS) += sunplus
6eddacae	222	machine-$(CONFIG_ARCH_SUNXI) += sunxi
387798b3	223	machine-$(CONFIG_ARCH_TEGRA) += tegra
387798b3	224	machine-$(CONFIG_ARCH_U8500) += ux500
387798b3	225	machine-$(CONFIG_ARCH_VT8500) += vt8500
6eddacae	226	machine-$(CONFIG_ARCH_ZYNQ) += zynq
d7445676	227	machine-$(CONFIG_PLAT_VERSATILE) += versatile
a7ed099f	228	machine-$(CONFIG_PLAT_SPEAR) += spear
b4175b89	229
8c7d29a7 AB	230	# legacy platforms provide their own mach/*.h headers globally,
	231	# these three are mutually exclusive
	232	machdirs-$(CONFIG_ARCH_FOOTBRIDGE) += arch/arm/mach-footbridge
	233	machdirs-$(CONFIG_ARCH_RPC) += arch/arm/mach-rpc
	234	machdirs-$(CONFIG_ARCH_SA1100) += arch/arm/mach-sa1100
	235	KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%/include,$(machdirs-y))
1da177e4	236
9d4f13e5 RK	237	# The byte offset of the kernel image in RAM from the start of RAM.
9d4f13e5 RK	238	TEXT_OFFSET := $(textofs-y)
1da177e4	239
f8c07de6	240	export TEXT_OFFSET GZFLAGS MMUEXT
1da177e4	241
c62d0f2a	242	# If we have a machine-specific directory, then include it in the build.
8c7d29a7	243	core-y += $(patsubst %,arch/arm/mach-%/,$(machine-y))
2a58e142	244	# For cleaning
8c7d29a7 AB	245	core- += $(patsubst %,arch/arm/mach-%/,$(machine-))
	246
	247	core-$(CONFIG_PLAT_ORION) += arch/arm/plat-orion/
2a58e142	248
30c2f90b	249	libs-y := arch/arm/lib/ $(libs-y)
1da177e4 LT	250
1da177e4 LT	251	# Default target when executing plain make
152e6744	252	boot := arch/arm/boot
1da177e4	253	ifeq ($(CONFIG_XIP_KERNEL),y)
152e6744	254	KBUILD_IMAGE := $(boot)/xipImage
1da177e4	255	else
152e6744	256	KBUILD_IMAGE := $(boot)/zImage
1da177e4 LT	257	endif
1da177e4 LT	258
189af465 AB	259	ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y)
189af465 AB	260	prepare: stack_protector_prepare
f05eb1d2 AB	261	ifeq ($(CONFIG_CC_HAVE_STACKPROTECTOR_TLS),y)
	262	stack_protector_prepare: prepare0
	263	$(eval KBUILD_CFLAGS += \
	264	-mstack-protector-guard=tls \
	265	-mstack-protector-guard-offset=$(shell \
	266	awk '{if ($$2 == "TSK_STACK_CANARY") print $$3;}'\
	267	include/generated/asm-offsets.h))
	268	else
189af465	269	stack_protector_prepare: prepare0
89604523	270	$(eval SSP_PLUGIN_CFLAGS := \
189af465	271	-fplugin-arg-arm_ssp_per_task_plugin-offset=$(shell \
dfbdcda2	272	awk '{if ($$2 == "TSK_STACK_CANARY") print $$3;}'\
189af465	273	include/generated/asm-offsets.h))
89604523 AB	274	$(eval KBUILD_CFLAGS += $(SSP_PLUGIN_CFLAGS))
89604523 AB	275	$(eval GCC_PLUGINS_CFLAGS += $(SSP_PLUGIN_CFLAGS))
189af465	276	endif
f05eb1d2	277	endif
189af465	278
37c8a5fa	279	all: $(notdir $(KBUILD_IMAGE))
51342d71	280
1da177e4	281
96a8fae0 RK	282	archheaders:
	283	$(Q)$(MAKE) $(build)=arch/arm/tools uapi
	284
66206536	285	archprepare:
4e2648db	286	$(Q)$(MAKE) $(build)=arch/arm/tools kapi
1da177e4 LT	287
	288	# Convert bzImage to zImage
	289	bzImage: zImage
	290
19514fc6 RR	291	BOOT_TARGETS = zImage Image xipImage bootpImage uImage
	292	INSTALL_TARGETS = zinstall uinstall install
	293
	294	PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
	295
3939f334 MY	296	bootpImage uImage: zImage
	297	zImage: Image
	298
19514fc6	299	$(BOOT_TARGETS): vmlinux
92481c7d	300	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
c6bbfbb7	301	@$(kecho) ' Kernel: $(boot)/$@ is ready'
1da177e4	302
f774f5bb	303	$(INSTALL_TARGETS): KBUILD_IMAGE = $(boot)/$(patsubst %install,%Image,$@)
19514fc6	304	$(INSTALL_TARGETS):
f774f5bb	305	$(call cmd,install)
1da177e4	306
e5b61deb NL	307	PHONY += vdso_install
	308	vdso_install:
	309	ifeq ($(CONFIG_VDSO),y)
	310	$(Q)$(MAKE) $(build)=arch/arm/vdso $@
	311	endif
	312
1da177e4	313	# My testing targets (bypasses dependencies)
92481c7d	314	bp:; $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
1da177e4	315
e9faf9b0 NSJ	316	include $(srctree)/scripts/Makefile.defconf
	317	PHONY += multi_v7_lpae_defconfig
	318	multi_v7_lpae_defconfig:
	319	$(call merge_into_defconfig,multi_v7_defconfig,lpae)
1da177e4 LT	320
	321	define archhelp
	322	echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
	323	echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
	324	echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
a4f14bac	325	echo ' uImage - U-Boot wrapped zImage'
c01c5a50	326	echo ' bootpImage - Combined zImage and initial RAM disk'
1da177e4 LT	327	echo ' (supply initrd image via make variable INITRD=<path>)'
	328	echo ' install - Install uncompressed kernel'
	329	echo ' zinstall - Install compressed kernel'
a65d2922	330	echo ' uinstall - Install U-Boot wrapped compressed kernel'
caa27b66 SR	331	echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
caa27b66 SR	332	echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
1da177e4	333	echo ' install to $$(INSTALL_PATH) and run lilo'
e5b61deb	334	echo ' vdso_install - Install unstripped vdso.so to $$(INSTALL_MOD_PATH)/vdso'
e9faf9b0 NSJ	335	echo
e9faf9b0 NSJ	336	echo ' multi_v7_lpae_defconfig - multi_v7_defconfig with CONFIG_ARM_LPAE enabled'
1da177e4	337	endef