[linux-2.6-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)

# 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.
# 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-$(CONFIG_CPU_32v7M)	=-D__LINUX_ARM_ARCH__=7 -march=armv7-m
arch-$(CONFIG_CPU_32v7)		=-D__LINUX_ARM_ARCH__=7 -march=armv7-a
arch-$(CONFIG_CPU_32v6)		=-D__LINUX_ARM_ARCH__=6 -march=armv6
# Only override the compiler option if ARMv6. The ARMv6K extensions are
# always available in ARMv7
ifeq ($(CONFIG_CPU_32v6),y)
arch-$(CONFIG_CPU_32v6K)	=-D__LINUX_ARM_ARCH__=6 -march=armv6k
endif
arch-$(CONFIG_CPU_32v5)		=-D__LINUX_ARM_ARCH__=5 -march=armv5te
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=armv3m

# 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)	=-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

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

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)
CFLAGS_ABI	+= -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	:=-mthumb -Wa,-mimplicit-it=always $(AFLAGS_NOWARN)
AFLAGS_ISA	:=$(CFLAGS_ISA) -Wa$(comma)-mthumb
else
CFLAGS_ISA	:=$(call cc-option,-marm,) $(AFLAGS_NOWARN)
AFLAGS_ISA	:=$(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.
# 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
# We don't want the htc bootloader to corrupt kernel during resume
textofs-$(CONFIG_PM_H1940)      := 0x00108000
# RTD1195 has Boot ROM at start of address space
textofs-$(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-$(CONFIG_ARCH_CNS3XXX)		+= cns3xxx
machine-$(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_IOP32X)		+= iop32x
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_OXNAS)		+= oxnas
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_RDA)		+= rda
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

# Platform directory name.  This list is sorted alphanumerically
# by CONFIG_* macro name.
plat-$(CONFIG_PLAT_ORION)	+= orion

# 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 ($(CONFIG_ARCH_MULTIPLATFORM),y)
ifneq ($(CONFIG_ARM_SINGLE_ARMV7M),y)
KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
endif
endif

export	TEXT_OFFSET GZFLAGS MMUEXT

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

# For cleaning
core-				+= $(patsubst %,arch/arm/mach-%/, $(machine-))
core-				+= $(patsubst %,arch/arm/plat-%/, $(plat-))

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) MACHINE=$(MACHINE) $(boot)/$@
	@$(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) MACHINE=$(MACHINE) $(boot)/bootpImage


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'
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 += $(call cc-option,-fno-dwarf2-cfi-asm)
	24
32872c04 AB	25	# This should work on most of the modern platforms
32872c04 AB	26	KBUILD_DEFCONFIG := multi_v7_defconfig
1da177e4	27
3dbda77e	28	# defines filename extension depending memory management type.
f8c07de6 HC	29	ifeq ($(CONFIG_MMU),)
f8c07de6 HC	30	MMUEXT := -nommu
e91b36ef	31	KBUILD_CFLAGS += $(call cc-option,-mno-unaligned-access)
f8c07de6 HC	32	endif
f8c07de6 HC	33
1da177e4	34	ifeq ($(CONFIG_FRAME_POINTER),y)
6dc5fd93 NH	35	KBUILD_CFLAGS +=-fno-omit-frame-pointer
	36	ifeq ($(CONFIG_CC_IS_GCC),y)
	37	KBUILD_CFLAGS += -mapcs -mno-sched-prolog
	38	endif
1da177e4 LT	39	endif
	40
	41	ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
06c5040c	42	KBUILD_CPPFLAGS += -mbig-endian
ff0c6eec	43	CHECKFLAGS += -D__ARMEB__
d503ac53	44	KBUILD_LDFLAGS += -EB
1da177e4	45	else
06c5040c	46	KBUILD_CPPFLAGS += -mlittle-endian
ff0c6eec	47	CHECKFLAGS += -D__ARMEL__
d503ac53	48	KBUILD_LDFLAGS += -EL
1da177e4 LT	49	endif
1da177e4 LT	50
a077224f AB	51	#
	52	# The Scalar Replacement of Aggregates (SRA) optimization pass in GCC 4.9 and
	53	# later may result in code being generated that handles signed short and signed
	54	# char struct members incorrectly. So disable it.
	55	# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932)
	56	#
	57	KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra)
	58
1da177e4 LT	59	# This selects which instruction set is used.
	60	# Note that GCC does not numerically define an architecture version
	61	# macro, but instead defines a whole series of macros which makes
	62	# testing for a specific architecture or later rather impossible.
418ace99 AB	63	arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m
	64	arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 -march=armv7-a
	65	arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 -march=armv6
23688e99 CM	66	# Only override the compiler option if ARMv6. The ARMv6K extensions are
	67	# always available in ARMv7
	68	ifeq ($(CONFIG_CPU_32v6),y)
418ace99	69	arch-$(CONFIG_CPU_32v6K) =-D__LINUX_ARM_ARCH__=6 -march=armv6k
23688e99	70	endif
418ace99	71	arch-$(CONFIG_CPU_32v5) =-D__LINUX_ARM_ARCH__=5 -march=armv5te
1b21376a DA	72	arch-$(CONFIG_CPU_32v4T) =-D__LINUX_ARM_ARCH__=4 -march=armv4t
1b21376a DA	73	arch-$(CONFIG_CPU_32v4) =-D__LINUX_ARM_ARCH__=4 -march=armv4
8403bcb7	74	arch-$(CONFIG_CPU_32v3) =-D__LINUX_ARM_ARCH__=3 -march=armv3m
1b21376a DA	75
	76	# Evaluate arch cc-option calls now
	77	arch-y := $(arch-y)
1da177e4 LT	78
1da177e4 LT	79	# This selects how we optimise for the processor.
1b21376a DA	80	tune-$(CONFIG_CPU_ARM7TDMI) =-mtune=arm7tdmi
	81	tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi
	82	tune-$(CONFIG_CPU_ARM740T) =-mtune=arm7tdmi
	83	tune-$(CONFIG_CPU_ARM9TDMI) =-mtune=arm9tdmi
	84	tune-$(CONFIG_CPU_ARM940T) =-mtune=arm9tdmi
418ace99	85	tune-$(CONFIG_CPU_ARM946E) =-mtune=arm9e
1b21376a DA	86	tune-$(CONFIG_CPU_ARM920T) =-mtune=arm9tdmi
	87	tune-$(CONFIG_CPU_ARM922T) =-mtune=arm9tdmi
	88	tune-$(CONFIG_CPU_ARM925T) =-mtune=arm9tdmi
	89	tune-$(CONFIG_CPU_ARM926T) =-mtune=arm9tdmi
	90	tune-$(CONFIG_CPU_FA526) =-mtune=arm9tdmi
	91	tune-$(CONFIG_CPU_SA110) =-mtune=strongarm110
	92	tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100
418ace99 AB	93	tune-$(CONFIG_CPU_XSCALE) =-mtune=xscale
	94	tune-$(CONFIG_CPU_XSC3) =-mtune=xscale
	95	tune-$(CONFIG_CPU_FEROCEON) =-mtune=xscale
	96	tune-$(CONFIG_CPU_V6) =-mtune=arm1136j-s
	97	tune-$(CONFIG_CPU_V6K) =-mtune=arm1136j-s
1b21376a DA	98
	99	# Evaluate tune cc-option calls now
	100	tune-y := $(tune-y)
1da177e4	101
704bdda0	102	ifeq ($(CONFIG_AEABI),y)
22905a24	103	CFLAGS_ABI :=-mabi=aapcs-linux -mfpu=vfp
704bdda0	104	else
c28a814f	105	CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
704bdda0 NP	106	endif
704bdda0 NP	107
adf8b37b CM	108	ifeq ($(CONFIG_ARM_UNWIND),y)
	109	CFLAGS_ABI +=-funwind-tables
	110	endif
	111
b0fe66cf NC	112	ifeq ($(CONFIG_CC_IS_CLANG),y)
	113	CFLAGS_ABI += -meabi gnu
	114	endif
	115
50596b75 AB	116	ifeq ($(CONFIG_CURRENT_POINTER_IN_TPIDRURO),y)
	117	CFLAGS_ABI += -mtp=cp15
	118	endif
	119
75fea300 NP	120	# Accept old syntax despite ".syntax unified"
	121	AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
	122
16c79651	123	ifeq ($(CONFIG_THUMB2_KERNEL),y)
b752bb40	124	CFLAGS_ISA :=-mthumb -Wa,-mimplicit-it=always $(AFLAGS_NOWARN)
91802a8e	125	AFLAGS_ISA :=$(CFLAGS_ISA) -Wa$(comma)-mthumb
91802a8e	126	else
75fea300	127	CFLAGS_ISA :=$(call cc-option,-marm,) $(AFLAGS_NOWARN)
91802a8e	128	AFLAGS_ISA :=$(CFLAGS_ISA)
16c79651 CM	129	endif
16c79651 CM	130
704bdda0	131	# Need -Uarm for gcc < 3.x
91802a8e AB	132	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	133	KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
1da177e4	134
1f2f01b1	135	CHECKFLAGS += -D__arm__
1da177e4 LT	136
1da177e4 LT	137	#Default value
5290dc29	138	head-y := arch/arm/kernel/head$(MMUEXT).o
10508b20 DT	139
	140	# Text offset. This list is sorted numerically by address in order to
	141	# provide a means to avoid/resolve conflicts in multi-arch kernels.
83dfeedb RK	142	# Note: the 32kB below this value is reserved for use by the kernel
	143	# during boot, and this offset is critical to the functioning of
	144	# kexec-tools.
9d4f13e5	145	textofs-y := 0x00008000
c4761b69 VK	146	# We don't want the htc bootloader to corrupt kernel during resume
c4761b69 VK	147	textofs-$(CONFIG_PM_H1940) := 0x00108000
86aeee4d AF	148	# RTD1195 has Boot ROM at start of address space
86aeee4d AF	149	textofs-$(CONFIG_ARCH_REALTEK) := 0x00108000
1da177e4	150	# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
b4175b89 RK	151	ifeq ($(CONFIG_ARCH_SA1100),y)
b4175b89 RK	152	textofs-$(CONFIG_SA1111) := 0x00208000
1da177e4	153	endif
f125e2d4	154	textofs-$(CONFIG_ARCH_IPQ40XX) := 0x00208000
9e775ad1 SB	155	textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
9e775ad1 SB	156	textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
d850f3e5	157	textofs-$(CONFIG_ARCH_MESON) := 0x00208000
1d22924e	158	textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
b4175b89 RK	159
	160	# Machine directory name. This list is sorted alphanumerically
	161	# by CONFIG_* macro name.
6bb8536c	162	machine-$(CONFIG_ARCH_ACTIONS) += actions
2cf1c348	163	machine-$(CONFIG_ARCH_AIROHA) += airoha
445d9b30	164	machine-$(CONFIG_ARCH_ALPINE) += alpine
590b460c	165	machine-$(CONFIG_ARCH_ARTPEC) += artpec
87dfe496	166	machine-$(CONFIG_ARCH_ASPEED) += aspeed
387798b3	167	machine-$(CONFIG_ARCH_AT91) += at91
1d22924e	168	machine-$(CONFIG_ARCH_AXXIA) += axxia
8ac49e04	169	machine-$(CONFIG_ARCH_BCM) += bcm
1c37fa10	170	machine-$(CONFIG_ARCH_BERLIN) += berlin
387798b3 RH	171	machine-$(CONFIG_ARCH_CLPS711X) += clps711x
	172	machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx
	173	machine-$(CONFIG_ARCH_DAVINCI) += davinci
16083d45	174	machine-$(CONFIG_ARCH_DIGICOLOR) += digicolor
387798b3	175	machine-$(CONFIG_ARCH_DOVE) += dove
387798b3	176	machine-$(CONFIG_ARCH_EP93XX) += ep93xx
6eddacae	177	machine-$(CONFIG_ARCH_EXYNOS) += exynos
c3c963e1	178	machine-$(CONFIG_ARCH_FOOTBRIDGE) += footbridge
387798b3	179	machine-$(CONFIG_ARCH_GEMINI) += gemini
387798b3	180	machine-$(CONFIG_ARCH_HIGHBANK) += highbank
7685b125	181	machine-$(CONFIG_ARCH_HISI) += hisi
11d89440	182	machine-$(CONFIG_ARCH_HPE) += hpe
387798b3	183	machine-$(CONFIG_ARCH_IOP32X) += iop32x
387798b3	184	machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx
6eddacae	185	machine-$(CONFIG_ARCH_KEYSTONE) += keystone
e8d235d4	186	machine-$(CONFIG_ARCH_LPC18XX) += lpc18xx
387798b3	187	machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
3b8f5030	188	machine-$(CONFIG_ARCH_MESON) += meson
387798b3	189	machine-$(CONFIG_ARCH_MMP) += mmp
17723fd3	190	machine-$(CONFIG_ARCH_MOXART) += moxart
387798b3	191	machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0
6eddacae	192	machine-$(CONFIG_ARCH_MVEBU) += mvebu
387798b3	193	machine-$(CONFIG_ARCH_MXC) += imx
f682a218	194	machine-$(CONFIG_ARCH_MEDIATEK) += mediatek
9fb29c73	195	machine-$(CONFIG_ARCH_MILBEAUT) += milbeaut
387798b3	196	machine-$(CONFIG_ARCH_MXS) += mxs
312b62b6	197	machine-$(CONFIG_ARCH_MSTARV7) += mstar
387798b3	198	machine-$(CONFIG_ARCH_NOMADIK) += nomadik
7bffa14c	199	machine-$(CONFIG_ARCH_NPCM) += npcm
9851ca57	200	machine-$(CONFIG_ARCH_NSPIRE) += nspire
e330ea5e	201	machine-$(CONFIG_ARCH_OXNAS) += oxnas
387798b3 RH	202	machine-$(CONFIG_ARCH_OMAP1) += omap1
	203	machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
	204	machine-$(CONFIG_ARCH_ORION5X) += orion5x
387798b3	205	machine-$(CONFIG_ARCH_PXA) += pxa
8fc1b0f8	206	machine-$(CONFIG_ARCH_QCOM) += qcom
78e3dbc1	207	machine-$(CONFIG_ARCH_RDA) += rda
86aeee4d	208	machine-$(CONFIG_ARCH_REALTEK) += realtek
d63dc051	209	machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
387798b3	210	machine-$(CONFIG_ARCH_RPC) += rpc
71b9114d	211	machine-$(CONFIG_PLAT_SAMSUNG) += s3c
387798b3	212	machine-$(CONFIG_ARCH_S5PV210) += s5pv210
387798b3	213	machine-$(CONFIG_ARCH_SA1100) += sa1100
d9be9ceb	214	machine-$(CONFIG_ARCH_RENESAS) += shmobile
910499e1	215	machine-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga
6eddacae	216	machine-$(CONFIG_ARCH_STI) += sti
9b799b78	217	machine-$(CONFIG_ARCH_STM32) += stm32
0aa94eea	218	machine-$(CONFIG_ARCH_SUNPLUS) += sunplus
6eddacae	219	machine-$(CONFIG_ARCH_SUNXI) += sunxi
387798b3	220	machine-$(CONFIG_ARCH_TEGRA) += tegra
387798b3	221	machine-$(CONFIG_ARCH_U8500) += ux500
387798b3	222	machine-$(CONFIG_ARCH_VT8500) += vt8500
6eddacae	223	machine-$(CONFIG_ARCH_ZYNQ) += zynq
d7445676	224	machine-$(CONFIG_PLAT_VERSATILE) += versatile
a7ed099f	225	machine-$(CONFIG_PLAT_SPEAR) += spear
b4175b89 RK	226
	227	# Platform directory name. This list is sorted alphanumerically
	228	# by CONFIG_* macro name.
387798b3	229	plat-$(CONFIG_PLAT_ORION) += orion
1da177e4	230
9d4f13e5 RK	231	# The byte offset of the kernel image in RAM from the start of RAM.
9d4f13e5 RK	232	TEXT_OFFSET := $(textofs-y)
1da177e4	233
f44f82e8	234	# The first directory contains additional information for the boot setup code
1da177e4	235	ifneq ($(machine-y),)
f44f82e8	236	MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
1da177e4 LT	237	else
	238	MACHINE :=
	239	endif
387798b3 RH	240	ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y)
	241	MACHINE :=
	242	endif
a21765a7	243
f44f82e8	244	machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
aa42587a	245	platdirs := $(patsubst %,arch/arm/plat-%/,$(sort $(plat-y)))
f44f82e8	246
387798b3	247	ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
de8a06f6	248	ifneq ($(CONFIG_ARM_SINGLE_ARMV7M),y)
f44f82e8 RK	249	KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
f44f82e8 RK	250	endif
387798b3	251	endif
f44f82e8	252
f8c07de6	253	export TEXT_OFFSET GZFLAGS MMUEXT
1da177e4	254
c62d0f2a	255	# If we have a machine-specific directory, then include it in the build.
c62d0f2a NP	256	core-y += $(machdirs) $(platdirs)
c62d0f2a NP	257
2a58e142 MY	258	# For cleaning
	259	core- += $(patsubst %,arch/arm/mach-%/, $(machine-))
	260	core- += $(patsubst %,arch/arm/plat-%/, $(plat-))
	261
30c2f90b	262	libs-y := arch/arm/lib/ $(libs-y)
1da177e4 LT	263
1da177e4 LT	264	# Default target when executing plain make
152e6744	265	boot := arch/arm/boot
1da177e4	266	ifeq ($(CONFIG_XIP_KERNEL),y)
152e6744	267	KBUILD_IMAGE := $(boot)/xipImage
1da177e4	268	else
152e6744	269	KBUILD_IMAGE := $(boot)/zImage
1da177e4 LT	270	endif
1da177e4 LT	271
189af465 AB	272	ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y)
189af465 AB	273	prepare: stack_protector_prepare
f05eb1d2 AB	274	ifeq ($(CONFIG_CC_HAVE_STACKPROTECTOR_TLS),y)
	275	stack_protector_prepare: prepare0
	276	$(eval KBUILD_CFLAGS += \
	277	-mstack-protector-guard=tls \
	278	-mstack-protector-guard-offset=$(shell \
	279	awk '{if ($$2 == "TSK_STACK_CANARY") print $$3;}'\
	280	include/generated/asm-offsets.h))
	281	else
189af465	282	stack_protector_prepare: prepare0
89604523	283	$(eval SSP_PLUGIN_CFLAGS := \
189af465	284	-fplugin-arg-arm_ssp_per_task_plugin-offset=$(shell \
dfbdcda2	285	awk '{if ($$2 == "TSK_STACK_CANARY") print $$3;}'\
189af465	286	include/generated/asm-offsets.h))
89604523 AB	287	$(eval KBUILD_CFLAGS += $(SSP_PLUGIN_CFLAGS))
89604523 AB	288	$(eval GCC_PLUGINS_CFLAGS += $(SSP_PLUGIN_CFLAGS))
189af465	289	endif
f05eb1d2	290	endif
189af465	291
37c8a5fa	292	all: $(notdir $(KBUILD_IMAGE))
51342d71	293
1da177e4	294
96a8fae0 RK	295	archheaders:
	296	$(Q)$(MAKE) $(build)=arch/arm/tools uapi
	297
66206536	298	archprepare:
4e2648db	299	$(Q)$(MAKE) $(build)=arch/arm/tools kapi
1da177e4 LT	300
	301	# Convert bzImage to zImage
	302	bzImage: zImage
	303
19514fc6 RR	304	BOOT_TARGETS = zImage Image xipImage bootpImage uImage
	305	INSTALL_TARGETS = zinstall uinstall install
	306
	307	PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
	308
3939f334 MY	309	bootpImage uImage: zImage
	310	zImage: Image
	311
19514fc6	312	$(BOOT_TARGETS): vmlinux
1da177e4	313	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
c6bbfbb7	314	@$(kecho) ' Kernel: $(boot)/$@ is ready'
1da177e4	315
f774f5bb	316	$(INSTALL_TARGETS): KBUILD_IMAGE = $(boot)/$(patsubst %install,%Image,$@)
19514fc6	317	$(INSTALL_TARGETS):
f774f5bb	318	$(call cmd,install)
1da177e4	319
e5b61deb NL	320	PHONY += vdso_install
	321	vdso_install:
	322	ifeq ($(CONFIG_VDSO),y)
	323	$(Q)$(MAKE) $(build)=arch/arm/vdso $@
	324	endif
	325
1da177e4 LT	326	# My testing targets (bypasses dependencies)
1da177e4 LT	327	bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
1da177e4	328
1da177e4 LT	329
	330	define archhelp
	331	echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
	332	echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
	333	echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
a4f14bac	334	echo ' uImage - U-Boot wrapped zImage'
c01c5a50	335	echo ' bootpImage - Combined zImage and initial RAM disk'
1da177e4 LT	336	echo ' (supply initrd image via make variable INITRD=<path>)'
	337	echo ' install - Install uncompressed kernel'
	338	echo ' zinstall - Install compressed kernel'
a65d2922	339	echo ' uinstall - Install U-Boot wrapped compressed kernel'
caa27b66 SR	340	echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
caa27b66 SR	341	echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
1da177e4	342	echo ' install to $$(INSTALL_PATH) and run lilo'
e5b61deb	343	echo ' vdso_install - Install unstripped vdso.so to $$(INSTALL_MOD_PATH)/vdso'
1da177e4	344	endef