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v6.13.7
  1#
  2# arch/arm/Makefile
  3#
  4# This file is included by the global makefile so that you can add your own
  5# architecture-specific flags and dependencies.
  6#
  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
 13LDFLAGS_vmlinux	:= --no-undefined -X --pic-veneer -z norelro
 14ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
 15LDFLAGS_vmlinux	+= --be8
 16KBUILD_LDFLAGS_MODULE	+= --be8
 17endif
 18
 
 
 
 
 19GZFLAGS		:=-9
 20#KBUILD_CFLAGS	+=-pipe
 21
 22# Never generate .eh_frame
 23KBUILD_CFLAGS	+= $(call cc-option,-fno-dwarf2-cfi-asm)
 24
 25# Disable FDPIC ABI
 26KBUILD_CFLAGS	+= $(call cc-option,-mno-fdpic)
 27
 28# This should work on most of the modern platforms
 29KBUILD_DEFCONFIG := multi_v7_defconfig
 30
 31# defines filename extension depending memory management type.
 32ifeq ($(CONFIG_MMU),)
 33MMUEXT		:= -nommu
 34KBUILD_CFLAGS	+= $(call cc-option,-mno-unaligned-access)
 35endif
 36
 37ifeq ($(CONFIG_FRAME_POINTER),y)
 38KBUILD_CFLAGS	+=-fno-omit-frame-pointer
 39ifeq ($(CONFIG_CC_IS_GCC),y)
 40KBUILD_CFLAGS += -mapcs -mno-sched-prolog
 41endif
 42endif
 43
 44ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
 45KBUILD_CPPFLAGS	+= -mbig-endian
 46CHECKFLAGS	+= -D__ARMEB__
 
 47KBUILD_LDFLAGS	+= -EB
 48else
 49KBUILD_CPPFLAGS	+= -mlittle-endian
 50CHECKFLAGS	+= -D__ARMEL__
 
 51KBUILD_LDFLAGS	+= -EL
 52endif
 53
 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#
 60KBUILD_CFLAGS	+= $(call cc-option,-fno-ipa-sra)
 61
 62# This selects which instruction set is used.
 63arch-$(CONFIG_CPU_32v7M)	:=-march=armv7-m
 64arch-$(CONFIG_CPU_32v7)		:=-march=armv7-a
 65arch-$(CONFIG_CPU_32v6)		:=-march=armv6
 66# Only override the compiler option if ARMv6. The ARMv6K extensions are
 67# always available in ARMv7
 68ifeq ($(CONFIG_CPU_32v6),y)
 69arch-$(CONFIG_CPU_32v6K)	:=-march=armv6k
 70endif
 71arch-$(CONFIG_CPU_32v5)		:=-march=armv5te
 72arch-$(CONFIG_CPU_32v4T)	:=-march=armv4t
 73arch-$(CONFIG_CPU_32v4)		:=-march=armv4
 74arch-$(CONFIG_CPU_32v3)		:=-march=armv3m
 75
 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.
 79cpp-$(CONFIG_CPU_32v7M)		:=-D__LINUX_ARM_ARCH__=7
 80cpp-$(CONFIG_CPU_32v7)		:=-D__LINUX_ARM_ARCH__=7
 81cpp-$(CONFIG_CPU_32v6)		:=-D__LINUX_ARM_ARCH__=6
 82# Only override the compiler option if ARMv6. The ARMv6K extensions are
 83# always available in ARMv7
 84ifeq ($(CONFIG_CPU_32v6),y)
 85cpp-$(CONFIG_CPU_32v6K)		:=-D__LINUX_ARM_ARCH__=6
 86endif
 87cpp-$(CONFIG_CPU_32v5)		:=-D__LINUX_ARM_ARCH__=5
 88cpp-$(CONFIG_CPU_32v4T)		:=-D__LINUX_ARM_ARCH__=4
 89cpp-$(CONFIG_CPU_32v4)		:=-D__LINUX_ARM_ARCH__=4
 90cpp-$(CONFIG_CPU_32v3)		:=-D__LINUX_ARM_ARCH__=3
 
 
 
 91
 92# This selects how we optimise for the processor.
 93tune-$(CONFIG_CPU_ARM7TDMI)	:=-mtune=arm7tdmi
 94tune-$(CONFIG_CPU_ARM720T)	:=-mtune=arm7tdmi
 95tune-$(CONFIG_CPU_ARM740T)	:=-mtune=arm7tdmi
 96tune-$(CONFIG_CPU_ARM9TDMI)	:=-mtune=arm9tdmi
 97tune-$(CONFIG_CPU_ARM940T)	:=-mtune=arm9tdmi
 98tune-$(CONFIG_CPU_ARM946E)	:=-mtune=arm9e
 99tune-$(CONFIG_CPU_ARM920T)	:=-mtune=arm9tdmi
100tune-$(CONFIG_CPU_ARM922T)	:=-mtune=arm9tdmi
101tune-$(CONFIG_CPU_ARM925T)	:=-mtune=arm9tdmi
102tune-$(CONFIG_CPU_ARM926T)	:=-mtune=arm9tdmi
103tune-$(CONFIG_CPU_FA526)	:=-mtune=arm9tdmi
104tune-$(CONFIG_CPU_SA110)	:=-mtune=strongarm110
105tune-$(CONFIG_CPU_SA1100)	:=-mtune=strongarm1100
106tune-$(CONFIG_CPU_XSCALE)	:=-mtune=xscale
107tune-$(CONFIG_CPU_XSC3)		:=-mtune=xscale
108tune-$(CONFIG_CPU_FEROCEON)	:=-mtune=xscale
109tune-$(CONFIG_CPU_V6)		:=-mtune=arm1136j-s
110tune-$(CONFIG_CPU_V6K)		:=-mtune=arm1136j-s
 
 
 
111
112ifeq ($(CONFIG_AEABI),y)
113CFLAGS_ABI	:=-mabi=aapcs-linux -mfpu=vfp
114else
115CFLAGS_ABI	:=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
116endif
117
118ifeq ($(CONFIG_ARM_UNWIND),y)
119CFLAGS_ABI	+=-funwind-tables
120endif
121
122ifeq ($(CONFIG_CC_IS_CLANG),y)
123CFLAGS_ABI	+= -meabi gnu
124endif
125
126ifeq ($(CONFIG_CURRENT_POINTER_IN_TPIDRURO),y)
127KBUILD_CFLAGS	+= -mtp=cp15
128endif
129
130# Accept old syntax despite ".syntax unified"
131AFLAGS_NOWARN	:=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
132
133# The GCC option -ffreestanding is required in order to compile code containing
134# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
135CC_FLAGS_FPU	:= -ffreestanding
136# Enable <arm_neon.h>
137CC_FLAGS_FPU	+= -isystem $(shell $(CC) -print-file-name=include)
138CC_FLAGS_FPU	+= -march=armv7-a -mfloat-abi=softfp -mfpu=neon
139
140ifeq ($(CONFIG_THUMB2_KERNEL),y)
141CFLAGS_ISA	:=-Wa,-mimplicit-it=always $(AFLAGS_NOWARN)
142AFLAGS_ISA	:=$(CFLAGS_ISA) -Wa$(comma)-mthumb
143CFLAGS_ISA	+=-mthumb
 
 
 
144else
145CFLAGS_ISA	:=$(call cc-option,-marm,) $(AFLAGS_NOWARN)
146AFLAGS_ISA	:=$(CFLAGS_ISA)
147endif
148
149# Need -Uarm for gcc < 3.x
150KBUILD_CPPFLAGS	+=$(cpp-y)
151KBUILD_CFLAGS	+=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
152KBUILD_AFLAGS	+=$(CFLAGS_ABI) $(AFLAGS_ISA) -Wa,$(arch-y) $(tune-y) -include asm/unified.h -msoft-float
153
154CHECKFLAGS	+= -D__arm__
155
 
 
 
156# Text offset. This list is sorted numerically by address in order to
157# provide a means to avoid/resolve conflicts in multi-arch kernels.
158# Note: the 32kB below this value is reserved for use by the kernel
159# during boot, and this offset is critical to the functioning of
160# kexec-tools.
161textofs-y	:= 0x00008000
162# RTD1195 has Boot ROM at start of address space
163textofs-$(CONFIG_ARCH_REALTEK)  := 0x00108000
164# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
165ifeq ($(CONFIG_ARCH_SA1100),y)
166textofs-$(CONFIG_SA1111) := 0x00208000
167endif
168textofs-$(CONFIG_ARCH_QCOM_RESERVE_SMEM) := 0x00208000
 
169textofs-$(CONFIG_ARCH_MESON) := 0x00208000
170textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
171
172# Machine directory name.  This list is sorted alphanumerically
173# by CONFIG_* macro name.
174machine-$(CONFIG_ARCH_ACTIONS)		+= actions
175machine-$(CONFIG_ARCH_ALPINE)		+= alpine
176machine-$(CONFIG_ARCH_ARTPEC)		+= artpec
177machine-$(CONFIG_ARCH_ASPEED)           += aspeed
178machine-$(CONFIG_ARCH_AT91)		+= at91
179machine-$(CONFIG_ARCH_AXXIA)		+= axxia
180machine-$(CONFIG_ARCH_BCM)		+= bcm
181machine-$(CONFIG_ARCH_BERLIN)		+= berlin
182machine-$(CONFIG_ARCH_CLPS711X)		+= clps711x
 
183machine-$(CONFIG_ARCH_DAVINCI)		+= davinci
184machine-$(CONFIG_ARCH_DIGICOLOR)	+= digicolor
185machine-$(CONFIG_ARCH_DOVE)		+= dove
 
 
 
186machine-$(CONFIG_ARCH_EXYNOS)		+= exynos
187machine-$(CONFIG_ARCH_FOOTBRIDGE)	+= footbridge
188machine-$(CONFIG_ARCH_GEMINI)		+= gemini
189machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
190machine-$(CONFIG_ARCH_HISI)		+= hisi
191machine-$(CONFIG_ARCH_HPE)		+= hpe
 
192machine-$(CONFIG_ARCH_IXP4XX)		+= ixp4xx
193machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
194machine-$(CONFIG_ARCH_LPC18XX)		+= lpc18xx
195machine-$(CONFIG_ARCH_LPC32XX)		+= lpc32xx
196machine-$(CONFIG_ARCH_MESON)		+= meson
197machine-$(CONFIG_ARCH_MMP)		+= mmp
 
 
198machine-$(CONFIG_ARCH_MV78XX0)		+= mv78xx0
199machine-$(CONFIG_ARCH_MVEBU)		+= mvebu
200machine-$(CONFIG_ARCH_MXC)		+= imx
201machine-$(CONFIG_ARCH_MEDIATEK)		+= mediatek
202machine-$(CONFIG_ARCH_MILBEAUT)		+= milbeaut
203machine-$(CONFIG_ARCH_MXS)		+= mxs
204machine-$(CONFIG_ARCH_MSTARV7)		+= mstar
205machine-$(CONFIG_ARCH_NOMADIK)		+= nomadik
206machine-$(CONFIG_ARCH_NPCM)		+= npcm
 
 
207machine-$(CONFIG_ARCH_OMAP1)		+= omap1
208machine-$(CONFIG_ARCH_OMAP2PLUS)	+= omap2
209machine-$(CONFIG_ARCH_ORION5X)		+= orion5x
 
210machine-$(CONFIG_ARCH_PXA)		+= pxa
211machine-$(CONFIG_ARCH_QCOM)		+= qcom
212machine-$(CONFIG_ARCH_REALTEK)		+= realtek
 
213machine-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip
214machine-$(CONFIG_ARCH_RPC)		+= rpc
215machine-$(CONFIG_PLAT_SAMSUNG)		+= s3c
 
216machine-$(CONFIG_ARCH_S5PV210)		+= s5pv210
217machine-$(CONFIG_ARCH_SA1100)		+= sa1100
218machine-$(CONFIG_ARCH_RENESAS)	 	+= shmobile
219machine-$(CONFIG_ARCH_INTEL_SOCFPGA)	+= socfpga
 
220machine-$(CONFIG_ARCH_STI)		+= sti
221machine-$(CONFIG_ARCH_STM32)		+= stm32
222machine-$(CONFIG_ARCH_SUNXI)		+= sunxi
 
223machine-$(CONFIG_ARCH_TEGRA)		+= tegra
 
224machine-$(CONFIG_ARCH_U8500)		+= ux500
 
 
225machine-$(CONFIG_ARCH_VT8500)		+= vt8500
 
226machine-$(CONFIG_ARCH_ZYNQ)		+= zynq
227machine-$(CONFIG_PLAT_VERSATILE)	+= versatile
228machine-$(CONFIG_PLAT_SPEAR)		+= spear
229
230# legacy platforms provide their own mach/*.h headers globally,
231# these three are mutually exclusive
232machdirs-$(CONFIG_ARCH_FOOTBRIDGE)	+= arch/arm/mach-footbridge
233machdirs-$(CONFIG_ARCH_RPC)		+= arch/arm/mach-rpc
234machdirs-$(CONFIG_ARCH_SA1100)		+= arch/arm/mach-sa1100
235KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%/include,$(machdirs-y))
 
 
 
 
 
 
 
 
 
 
 
236
237# The byte offset of the kernel image in RAM from the start of RAM.
238TEXT_OFFSET := $(textofs-y)
239
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
240export	TEXT_OFFSET GZFLAGS MMUEXT
241
 
 
 
 
 
 
 
 
242# If we have a machine-specific directory, then include it in the build.
243core-y				+= $(patsubst %,arch/arm/mach-%/,$(machine-y))
 
 
 
 
 
244# For cleaning
245core-				+= $(patsubst %,arch/arm/mach-%/,$(machine-))
 
246
247core-$(CONFIG_PLAT_ORION)	+= arch/arm/plat-orion
248
249libs-y				:= arch/arm/lib/ $(libs-y)
250
251# Default target when executing plain make
252boot := arch/arm/boot
253ifeq ($(CONFIG_XIP_KERNEL),y)
254KBUILD_IMAGE := $(boot)/xipImage
255else
256KBUILD_IMAGE := $(boot)/zImage
257endif
258
259ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y)
260prepare: stack_protector_prepare
261ifeq ($(CONFIG_CC_HAVE_STACKPROTECTOR_TLS),y)
262stack_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				$(objtree)/include/generated/asm-offsets.h))
268else
269stack_protector_prepare: prepare0
270	$(eval SSP_PLUGIN_CFLAGS := \
271		-fplugin-arg-arm_ssp_per_task_plugin-offset=$(shell	\
272			awk '{if ($$2 == "TSK_STACK_CANARY") print $$3;}'\
273				$(objtree)/include/generated/asm-offsets.h))
274	$(eval KBUILD_CFLAGS += $(SSP_PLUGIN_CFLAGS))
275	$(eval GCC_PLUGINS_CFLAGS += $(SSP_PLUGIN_CFLAGS))
276endif
277endif
278
279all:	$(notdir $(KBUILD_IMAGE))
280
281
282archheaders:
283	$(Q)$(MAKE) $(build)=arch/arm/tools uapi
284
285archprepare:
286	$(Q)$(MAKE) $(build)=arch/arm/tools kapi
287
288# Convert bzImage to zImage
289bzImage: zImage
290
291BOOT_TARGETS	= zImage Image xipImage bootpImage uImage
292INSTALL_TARGETS	= zinstall uinstall install
293
294PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
295
296bootpImage uImage: zImage
297zImage: Image
298
299$(BOOT_TARGETS): vmlinux
300	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
301	@$(kecho) '  Kernel: $(boot)/$@ is ready'
302
303$(INSTALL_TARGETS): KBUILD_IMAGE = $(boot)/$(patsubst %install,%Image,$@)
304$(INSTALL_TARGETS):
305	$(call cmd,install)
 
 
 
 
 
 
306
307vdso-install-$(CONFIG_VDSO) += arch/arm/vdso/vdso.so.dbg
 
 
308
309# My testing targets (bypasses dependencies)
310bp:;	$(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage
311
312include $(srctree)/scripts/Makefile.defconf
313PHONY += multi_v7_lpae_defconfig
314multi_v7_lpae_defconfig:
315	$(call merge_into_defconfig,multi_v7_defconfig,lpae)
316
317define archhelp
318  echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
319  echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
320  echo  '* xipImage      - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
321  echo  '  uImage        - U-Boot wrapped zImage'
322  echo  '  bootpImage    - Combined zImage and initial RAM disk'
323  echo  '                  (supply initrd image via make variable INITRD=<path>)'
324  echo  '  install       - Install uncompressed kernel'
325  echo  '  zinstall      - Install compressed kernel'
326  echo  '  uinstall      - Install U-Boot wrapped compressed kernel'
327  echo  '                  Install using (your) ~/bin/$(INSTALLKERNEL) or'
328  echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
329  echo  '                  install to $$(INSTALL_PATH) and run lilo'
330  echo
331  echo  '  multi_v7_lpae_defconfig     - multi_v7_defconfig with CONFIG_ARM_LPAE enabled'
332endef
v5.4
  1#
  2# arch/arm/Makefile
  3#
  4# This file is included by the global makefile so that you can add your own
  5# architecture-specific flags and dependencies.
  6#
  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
 13LDFLAGS_vmlinux	:= --no-undefined -X --pic-veneer
 14ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
 15LDFLAGS_vmlinux	+= --be8
 16KBUILD_LDFLAGS_MODULE	+= --be8
 17endif
 18
 19ifeq ($(CONFIG_ARM_MODULE_PLTS),y)
 20KBUILD_LDS_MODULE	+= $(srctree)/arch/arm/kernel/module.lds
 21endif
 22
 23GZFLAGS		:=-9
 24#KBUILD_CFLAGS	+=-pipe
 25
 26# Never generate .eh_frame
 27KBUILD_CFLAGS	+= $(call cc-option,-fno-dwarf2-cfi-asm)
 28
 
 
 
 29# This should work on most of the modern platforms
 30KBUILD_DEFCONFIG := multi_v7_defconfig
 31
 32# defines filename extension depending memory management type.
 33ifeq ($(CONFIG_MMU),)
 34MMUEXT		:= -nommu
 35KBUILD_CFLAGS	+= $(call cc-option,-mno-unaligned-access)
 36endif
 37
 38ifeq ($(CONFIG_FRAME_POINTER),y)
 39KBUILD_CFLAGS	+=-fno-omit-frame-pointer
 40ifeq ($(CONFIG_CC_IS_GCC),y)
 41KBUILD_CFLAGS += -mapcs -mno-sched-prolog
 42endif
 43endif
 44
 45ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
 46KBUILD_CPPFLAGS	+= -mbig-endian
 47CHECKFLAGS	+= -D__ARMEB__
 48AS		+= -EB
 49KBUILD_LDFLAGS	+= -EB
 50else
 51KBUILD_CPPFLAGS	+= -mlittle-endian
 52CHECKFLAGS	+= -D__ARMEL__
 53AS		+= -EL
 54KBUILD_LDFLAGS	+= -EL
 55endif
 56
 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#
 63KBUILD_CFLAGS	+= $(call cc-option,-fno-ipa-sra)
 64
 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.
 69arch-$(CONFIG_CPU_32v7M)	=-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
 70arch-$(CONFIG_CPU_32v7)		=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
 71arch-$(CONFIG_CPU_32v6)		=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
 72# Only override the compiler option if ARMv6. The ARMv6K extensions are
 73# always available in ARMv7
 74ifeq ($(CONFIG_CPU_32v6),y)
 75arch-$(CONFIG_CPU_32v6K)	=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
 76endif
 77arch-$(CONFIG_CPU_32v5)		=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
 78arch-$(CONFIG_CPU_32v4T)	=-D__LINUX_ARM_ARCH__=4 -march=armv4t
 79arch-$(CONFIG_CPU_32v4)		=-D__LINUX_ARM_ARCH__=4 -march=armv4
 80arch-$(CONFIG_CPU_32v3)		=-D__LINUX_ARM_ARCH__=3 -march=armv3m
 81
 82# Evaluate arch cc-option calls now
 83arch-y := $(arch-y)
 84
 85# This selects how we optimise for the processor.
 86tune-$(CONFIG_CPU_ARM7TDMI)	=-mtune=arm7tdmi
 87tune-$(CONFIG_CPU_ARM720T)	=-mtune=arm7tdmi
 88tune-$(CONFIG_CPU_ARM740T)	=-mtune=arm7tdmi
 89tune-$(CONFIG_CPU_ARM9TDMI)	=-mtune=arm9tdmi
 90tune-$(CONFIG_CPU_ARM940T)	=-mtune=arm9tdmi
 91tune-$(CONFIG_CPU_ARM946E)	=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
 92tune-$(CONFIG_CPU_ARM920T)	=-mtune=arm9tdmi
 93tune-$(CONFIG_CPU_ARM922T)	=-mtune=arm9tdmi
 94tune-$(CONFIG_CPU_ARM925T)	=-mtune=arm9tdmi
 95tune-$(CONFIG_CPU_ARM926T)	=-mtune=arm9tdmi
 96tune-$(CONFIG_CPU_FA526)	=-mtune=arm9tdmi
 97tune-$(CONFIG_CPU_SA110)	=-mtune=strongarm110
 98tune-$(CONFIG_CPU_SA1100)	=-mtune=strongarm1100
 99tune-$(CONFIG_CPU_XSCALE)	=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
100tune-$(CONFIG_CPU_XSC3)		=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
101tune-$(CONFIG_CPU_FEROCEON)	=$(call cc-option,-mtune=marvell-f,-mtune=xscale)
102tune-$(CONFIG_CPU_V6)		=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
103tune-$(CONFIG_CPU_V6K)		=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
104
105# Evaluate tune cc-option calls now
106tune-y := $(tune-y)
107
108ifeq ($(CONFIG_AEABI),y)
109CFLAGS_ABI	:=-mabi=aapcs-linux -mfpu=vfp
110else
111CFLAGS_ABI	:=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
112endif
113
114ifeq ($(CONFIG_ARM_UNWIND),y)
115CFLAGS_ABI	+=-funwind-tables
116endif
117
118ifeq ($(CONFIG_CC_IS_CLANG),y)
119CFLAGS_ABI	+= -meabi gnu
120endif
121
 
 
 
 
122# Accept old syntax despite ".syntax unified"
123AFLAGS_NOWARN	:=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
124
 
 
 
 
 
 
 
125ifeq ($(CONFIG_THUMB2_KERNEL),y)
126CFLAGS_ISA	:=-mthumb -Wa,-mimplicit-it=always $(AFLAGS_NOWARN)
127AFLAGS_ISA	:=$(CFLAGS_ISA) -Wa$(comma)-mthumb
128# Work around buggy relocation from gas if requested:
129ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
130KBUILD_CFLAGS_MODULE	+=-fno-optimize-sibling-calls
131endif
132else
133CFLAGS_ISA	:=$(call cc-option,-marm,) $(AFLAGS_NOWARN)
134AFLAGS_ISA	:=$(CFLAGS_ISA)
135endif
136
137# Need -Uarm for gcc < 3.x
 
138KBUILD_CFLAGS	+=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
139KBUILD_AFLAGS	+=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
140
141CHECKFLAGS	+= -D__arm__
142
143#Default value
144head-y		:= arch/arm/kernel/head$(MMUEXT).o
145
146# Text offset. This list is sorted numerically by address in order to
147# provide a means to avoid/resolve conflicts in multi-arch kernels.
 
 
 
148textofs-y	:= 0x00008000
149# We don't want the htc bootloader to corrupt kernel during resume
150textofs-$(CONFIG_PM_H1940)      := 0x00108000
151# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
152ifeq ($(CONFIG_ARCH_SA1100),y)
153textofs-$(CONFIG_SA1111) := 0x00208000
154endif
155textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
156textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
157textofs-$(CONFIG_ARCH_MESON) := 0x00208000
158textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
159
160# Machine directory name.  This list is sorted alphanumerically
161# by CONFIG_* macro name.
162machine-$(CONFIG_ARCH_ACTIONS)		+= actions
163machine-$(CONFIG_ARCH_ALPINE)		+= alpine
164machine-$(CONFIG_ARCH_ARTPEC)		+= artpec
165machine-$(CONFIG_ARCH_ASPEED)           += aspeed
166machine-$(CONFIG_ARCH_AT91)		+= at91
167machine-$(CONFIG_ARCH_AXXIA)		+= axxia
168machine-$(CONFIG_ARCH_BCM)		+= bcm
169machine-$(CONFIG_ARCH_BERLIN)		+= berlin
170machine-$(CONFIG_ARCH_CLPS711X)		+= clps711x
171machine-$(CONFIG_ARCH_CNS3XXX)		+= cns3xxx
172machine-$(CONFIG_ARCH_DAVINCI)		+= davinci
173machine-$(CONFIG_ARCH_DIGICOLOR)	+= digicolor
174machine-$(CONFIG_ARCH_DOVE)		+= dove
175machine-$(CONFIG_ARCH_EBSA110)		+= ebsa110
176machine-$(CONFIG_ARCH_EFM32)		+= efm32
177machine-$(CONFIG_ARCH_EP93XX)		+= ep93xx
178machine-$(CONFIG_ARCH_EXYNOS)		+= exynos
179machine-$(CONFIG_ARCH_FOOTBRIDGE)	+= footbridge
180machine-$(CONFIG_ARCH_GEMINI)		+= gemini
181machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
182machine-$(CONFIG_ARCH_HISI)		+= hisi
183machine-$(CONFIG_ARCH_INTEGRATOR)	+= integrator
184machine-$(CONFIG_ARCH_IOP32X)		+= iop32x
185machine-$(CONFIG_ARCH_IXP4XX)		+= ixp4xx
186machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
187machine-$(CONFIG_ARCH_LPC18XX)		+= lpc18xx
188machine-$(CONFIG_ARCH_LPC32XX)		+= lpc32xx
189machine-$(CONFIG_ARCH_MESON)		+= meson
190machine-$(CONFIG_ARCH_MMP)		+= mmp
191machine-$(CONFIG_ARCH_MPS2)		+= vexpress
192machine-$(CONFIG_ARCH_MOXART)		+= moxart
193machine-$(CONFIG_ARCH_MV78XX0)		+= mv78xx0
194machine-$(CONFIG_ARCH_MVEBU)		+= mvebu
195machine-$(CONFIG_ARCH_MXC)		+= imx
196machine-$(CONFIG_ARCH_MEDIATEK)		+= mediatek
197machine-$(CONFIG_ARCH_MILBEAUT)		+= milbeaut
198machine-$(CONFIG_ARCH_MXS)		+= mxs
 
199machine-$(CONFIG_ARCH_NOMADIK)		+= nomadik
200machine-$(CONFIG_ARCH_NPCM)		+= npcm
201machine-$(CONFIG_ARCH_NSPIRE)		+= nspire
202machine-$(CONFIG_ARCH_OXNAS)		+= oxnas
203machine-$(CONFIG_ARCH_OMAP1)		+= omap1
204machine-$(CONFIG_ARCH_OMAP2PLUS)	+= omap2
205machine-$(CONFIG_ARCH_ORION5X)		+= orion5x
206machine-$(CONFIG_ARCH_PICOXCELL)	+= picoxcell
207machine-$(CONFIG_ARCH_PXA)		+= pxa
208machine-$(CONFIG_ARCH_QCOM)		+= qcom
209machine-$(CONFIG_ARCH_RDA)		+= rda
210machine-$(CONFIG_ARCH_REALVIEW)		+= realview
211machine-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip
212machine-$(CONFIG_ARCH_RPC)		+= rpc
213machine-$(CONFIG_ARCH_S3C24XX)		+= s3c24xx
214machine-$(CONFIG_ARCH_S3C64XX)		+= s3c64xx
215machine-$(CONFIG_ARCH_S5PV210)		+= s5pv210
216machine-$(CONFIG_ARCH_SA1100)		+= sa1100
217machine-$(CONFIG_ARCH_RENESAS)	 	+= shmobile
218machine-$(CONFIG_ARCH_SIRF)		+= prima2
219machine-$(CONFIG_ARCH_SOCFPGA)		+= socfpga
220machine-$(CONFIG_ARCH_STI)		+= sti
221machine-$(CONFIG_ARCH_STM32)		+= stm32
222machine-$(CONFIG_ARCH_SUNXI)		+= sunxi
223machine-$(CONFIG_ARCH_TANGO)		+= tango
224machine-$(CONFIG_ARCH_TEGRA)		+= tegra
225machine-$(CONFIG_ARCH_U300)		+= u300
226machine-$(CONFIG_ARCH_U8500)		+= ux500
227machine-$(CONFIG_ARCH_VERSATILE)	+= versatile
228machine-$(CONFIG_ARCH_VEXPRESS)		+= vexpress
229machine-$(CONFIG_ARCH_VT8500)		+= vt8500
230machine-$(CONFIG_ARCH_ZX)		+= zx
231machine-$(CONFIG_ARCH_ZYNQ)		+= zynq
 
232machine-$(CONFIG_PLAT_SPEAR)		+= spear
233
234# Platform directory name.  This list is sorted alphanumerically
235# by CONFIG_* macro name.
236plat-$(CONFIG_ARCH_EXYNOS)	+= samsung
237plat-$(CONFIG_ARCH_OMAP)	+= omap
238plat-$(CONFIG_ARCH_S3C64XX)	+= samsung
239plat-$(CONFIG_ARCH_S5PV210)	+= samsung
240plat-$(CONFIG_PLAT_ORION)	+= orion
241plat-$(CONFIG_PLAT_PXA)		+= pxa
242plat-$(CONFIG_PLAT_S3C24XX)	+= samsung
243plat-$(CONFIG_PLAT_VERSATILE)	+= versatile
244
245ifeq ($(CONFIG_ARCH_EBSA110),y)
246# This is what happens if you forget the IOCS16 line.
247# PCMCIA cards stop working.
248CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
249export CFLAGS_3c589_cs.o
250endif
251
252# The byte offset of the kernel image in RAM from the start of RAM.
253TEXT_OFFSET := $(textofs-y)
254
255# The first directory contains additional information for the boot setup code
256ifneq ($(machine-y),)
257MACHINE  := arch/arm/mach-$(word 1,$(machine-y))/
258else
259MACHINE  :=
260endif
261ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y)
262MACHINE  :=
263endif
264
265machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
266platdirs := $(patsubst %,arch/arm/plat-%/,$(sort $(plat-y)))
267
268ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
269ifneq ($(CONFIG_ARM_SINGLE_ARMV7M),y)
270KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
271endif
272endif
273
274export	TEXT_OFFSET GZFLAGS MMUEXT
275
276core-$(CONFIG_FPE_NWFPE)	+= arch/arm/nwfpe
277# Put arch/arm/fastfpe/ to use this.
278core-$(CONFIG_FPE_FASTFPE)	+= $(patsubst $(srctree)/%,%,$(wildcard $(srctree)/arch/arm/fastfpe/))
279core-$(CONFIG_VFP)		+= arch/arm/vfp/
280core-$(CONFIG_XEN)		+= arch/arm/xen/
281core-$(CONFIG_KVM_ARM_HOST) 	+= arch/arm/kvm/
282core-$(CONFIG_VDSO)		+= arch/arm/vdso/
283
284# If we have a machine-specific directory, then include it in the build.
285core-y				+= arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
286core-y				+= arch/arm/probes/
287core-y				+= arch/arm/net/
288core-y				+= arch/arm/crypto/
289core-y				+= $(machdirs) $(platdirs)
290
291# For cleaning
292core-				+= $(patsubst %,arch/arm/mach-%/, $(machine-))
293core-				+= $(patsubst %,arch/arm/plat-%/, $(plat-))
294
295drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/
296
297libs-y				:= arch/arm/lib/ $(libs-y)
298
299# Default target when executing plain make
300boot := arch/arm/boot
301ifeq ($(CONFIG_XIP_KERNEL),y)
302KBUILD_IMAGE := $(boot)/xipImage
303else
304KBUILD_IMAGE := $(boot)/zImage
305endif
306
307ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y)
308prepare: stack_protector_prepare
 
309stack_protector_prepare: prepare0
310	$(eval KBUILD_CFLAGS += \
311		-fplugin-arg-arm_ssp_per_task_plugin-tso=$(shell	\
312			awk '{if ($$2 == "THREAD_SZ_ORDER") print $$3;}'\
313				include/generated/asm-offsets.h)	\
 
 
 
 
314		-fplugin-arg-arm_ssp_per_task_plugin-offset=$(shell	\
315			awk '{if ($$2 == "TI_STACK_CANARY") print $$3;}'\
316				include/generated/asm-offsets.h))
 
 
 
317endif
318
319all:	$(notdir $(KBUILD_IMAGE))
320
321
322archheaders:
323	$(Q)$(MAKE) $(build)=arch/arm/tools uapi
324
325archprepare:
326	$(Q)$(MAKE) $(build)=arch/arm/tools kapi
327
328# Convert bzImage to zImage
329bzImage: zImage
330
331BOOT_TARGETS	= zImage Image xipImage bootpImage uImage
332INSTALL_TARGETS	= zinstall uinstall install
333
334PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
335
336bootpImage uImage: zImage
337zImage: Image
338
339$(BOOT_TARGETS): vmlinux
340	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
341	@$(kecho) '  Kernel: $(boot)/$@ is ready'
342
 
343$(INSTALL_TARGETS):
344	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
345
346PHONY += vdso_install
347vdso_install:
348ifeq ($(CONFIG_VDSO),y)
349	$(Q)$(MAKE) $(build)=arch/arm/vdso $@
350endif
351
352# We use MRPROPER_FILES and CLEAN_FILES now
353archclean:
354	$(Q)$(MAKE) $(clean)=$(boot)
355
356# My testing targets (bypasses dependencies)
357bp:;	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
358
 
 
 
 
359
360define archhelp
361  echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
362  echo  '  Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
363  echo  '* xipImage      - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
364  echo  '  uImage        - U-Boot wrapped zImage'
365  echo  '  bootpImage    - Combined zImage and initial RAM disk'
366  echo  '                  (supply initrd image via make variable INITRD=<path>)'
367  echo  '  install       - Install uncompressed kernel'
368  echo  '  zinstall      - Install compressed kernel'
369  echo  '  uinstall      - Install U-Boot wrapped compressed kernel'
370  echo  '                  Install using (your) ~/bin/$(INSTALLKERNEL) or'
371  echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
372  echo  '                  install to $$(INSTALL_PATH) and run lilo'
373  echo  '  vdso_install  - Install unstripped vdso.so to $$(INSTALL_MOD_PATH)/vdso'
 
374endef