sched/numa: Retry migration of tasks to CPU on a preferred node
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / arm / Makefile
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
13 # Ensure linker flags are correct
14 LDFLAGS         :=
15
16 LDFLAGS_vmlinux :=-p --no-undefined -X
17 ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
18 LDFLAGS_vmlinux += --be8
19 endif
20
21 OBJCOPYFLAGS    :=-O binary -R .comment -S
22 GZFLAGS         :=-9
23 #KBUILD_CFLAGS  +=-pipe
24
25 # Never generate .eh_frame
26 KBUILD_CFLAGS   += $(call cc-option,-fno-dwarf2-cfi-asm)
27
28 # Do not use arch/arm/defconfig - it's always outdated.
29 # Select a platform tht is kept up-to-date
30 KBUILD_DEFCONFIG := versatile_defconfig
31
32 # defines filename extension depending memory management type.
33 ifeq ($(CONFIG_MMU),)
34 MMUEXT          := -nommu
35 KBUILD_CFLAGS   += $(call cc-option,-mno-unaligned-access)
36 endif
37
38 ifeq ($(CONFIG_FRAME_POINTER),y)
39 KBUILD_CFLAGS   +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
40 endif
41
42 ifeq ($(CONFIG_CC_STACKPROTECTOR),y)
43 KBUILD_CFLAGS   +=-fstack-protector
44 endif
45
46 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
47 KBUILD_CPPFLAGS += -mbig-endian
48 AS              += -EB
49 LD              += -EB
50 else
51 KBUILD_CPPFLAGS += -mlittle-endian
52 AS              += -EL
53 LD              += -EL
54 endif
55
56 comma = ,
57
58 # This selects which instruction set is used.
59 # Note that GCC does not numerically define an architecture version
60 # macro, but instead defines a whole series of macros which makes
61 # testing for a specific architecture or later rather impossible.
62 arch-$(CONFIG_CPU_32v7M)        =-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m
63 arch-$(CONFIG_CPU_32v7)         =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
64 arch-$(CONFIG_CPU_32v6)         =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
65 # Only override the compiler option if ARMv6. The ARMv6K extensions are
66 # always available in ARMv7
67 ifeq ($(CONFIG_CPU_32v6),y)
68 arch-$(CONFIG_CPU_32v6K)        =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
69 endif
70 arch-$(CONFIG_CPU_32v5)         =-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
71 arch-$(CONFIG_CPU_32v4T)        =-D__LINUX_ARM_ARCH__=4 -march=armv4t
72 arch-$(CONFIG_CPU_32v4)         =-D__LINUX_ARM_ARCH__=4 -march=armv4
73 arch-$(CONFIG_CPU_32v3)         =-D__LINUX_ARM_ARCH__=3 -march=armv3
74
75 # Evaluate arch cc-option calls now
76 arch-y := $(arch-y)
77
78 # This selects how we optimise for the processor.
79 tune-$(CONFIG_CPU_ARM7TDMI)     =-mtune=arm7tdmi
80 tune-$(CONFIG_CPU_ARM720T)      =-mtune=arm7tdmi
81 tune-$(CONFIG_CPU_ARM740T)      =-mtune=arm7tdmi
82 tune-$(CONFIG_CPU_ARM9TDMI)     =-mtune=arm9tdmi
83 tune-$(CONFIG_CPU_ARM940T)      =-mtune=arm9tdmi
84 tune-$(CONFIG_CPU_ARM946E)      =$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
85 tune-$(CONFIG_CPU_ARM920T)      =-mtune=arm9tdmi
86 tune-$(CONFIG_CPU_ARM922T)      =-mtune=arm9tdmi
87 tune-$(CONFIG_CPU_ARM925T)      =-mtune=arm9tdmi
88 tune-$(CONFIG_CPU_ARM926T)      =-mtune=arm9tdmi
89 tune-$(CONFIG_CPU_FA526)        =-mtune=arm9tdmi
90 tune-$(CONFIG_CPU_SA110)        =-mtune=strongarm110
91 tune-$(CONFIG_CPU_SA1100)       =-mtune=strongarm1100
92 tune-$(CONFIG_CPU_XSCALE)       =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
93 tune-$(CONFIG_CPU_XSC3)         =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
94 tune-$(CONFIG_CPU_FEROCEON)     =$(call cc-option,-mtune=marvell-f,-mtune=xscale)
95 tune-$(CONFIG_CPU_V6)           =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
96 tune-$(CONFIG_CPU_V6K)          =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
97
98 # Evaluate tune cc-option calls now
99 tune-y := $(tune-y)
100
101 ifeq ($(CONFIG_AEABI),y)
102 CFLAGS_ABI      :=-mabi=aapcs-linux -mno-thumb-interwork
103 else
104 CFLAGS_ABI      :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
105 endif
106
107 ifeq ($(CONFIG_ARM_UNWIND),y)
108 CFLAGS_ABI      +=-funwind-tables
109 endif
110
111 ifeq ($(CONFIG_THUMB2_KERNEL),y)
112 AFLAGS_AUTOIT   :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
113 AFLAGS_NOWARN   :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
114 CFLAGS_ISA      :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
115 AFLAGS_ISA      :=$(CFLAGS_ISA) -Wa$(comma)-mthumb
116 # Work around buggy relocation from gas if requested:
117 ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
118 CFLAGS_MODULE   +=-fno-optimize-sibling-calls
119 endif
120 else
121 CFLAGS_ISA      :=$(call cc-option,-marm,)
122 AFLAGS_ISA      :=$(CFLAGS_ISA)
123 endif
124
125 # Need -Uarm for gcc < 3.x
126 KBUILD_CFLAGS   +=$(CFLAGS_ABI) $(CFLAGS_ISA) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
127 KBUILD_AFLAGS   +=$(CFLAGS_ABI) $(AFLAGS_ISA) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
128
129 CHECKFLAGS      += -D__arm__
130
131 #Default value
132 head-y          := arch/arm/kernel/head$(MMUEXT).o
133 textofs-y       := 0x00008000
134 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
135 # We don't want the htc bootloader to corrupt kernel during resume
136 textofs-$(CONFIG_PM_H1940)      := 0x00108000
137 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
138 ifeq ($(CONFIG_ARCH_SA1100),y)
139 textofs-$(CONFIG_SA1111) := 0x00208000
140 endif
141 textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000
142 textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
143 textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
144
145 # Machine directory name.  This list is sorted alphanumerically
146 # by CONFIG_* macro name.
147 machine-$(CONFIG_ARCH_AT91)             += at91
148 machine-$(CONFIG_ARCH_BCM)              += bcm
149 machine-$(CONFIG_ARCH_BCM2835)          += bcm2835
150 machine-$(CONFIG_ARCH_CLPS711X)         += clps711x
151 machine-$(CONFIG_ARCH_CNS3XXX)          += cns3xxx
152 machine-$(CONFIG_ARCH_DAVINCI)          += davinci
153 machine-$(CONFIG_ARCH_DOVE)             += dove
154 machine-$(CONFIG_ARCH_EBSA110)          += ebsa110
155 machine-$(CONFIG_ARCH_EP93XX)           += ep93xx
156 machine-$(CONFIG_ARCH_EXYNOS)           += exynos
157 machine-$(CONFIG_ARCH_GEMINI)           += gemini
158 machine-$(CONFIG_ARCH_HIGHBANK)         += highbank
159 machine-$(CONFIG_ARCH_INTEGRATOR)       += integrator
160 machine-$(CONFIG_ARCH_IOP13XX)          += iop13xx
161 machine-$(CONFIG_ARCH_IOP32X)           += iop32x
162 machine-$(CONFIG_ARCH_IOP33X)           += iop33x
163 machine-$(CONFIG_ARCH_IXP4XX)           += ixp4xx
164 machine-$(CONFIG_ARCH_KEYSTONE)         += keystone
165 machine-$(CONFIG_ARCH_KIRKWOOD)         += kirkwood
166 machine-$(CONFIG_ARCH_KS8695)           += ks8695
167 machine-$(CONFIG_ARCH_LPC32XX)          += lpc32xx
168 machine-$(CONFIG_ARCH_MMP)              += mmp
169 machine-$(CONFIG_ARCH_MSM)              += msm
170 machine-$(CONFIG_ARCH_MV78XX0)          += mv78xx0
171 machine-$(CONFIG_ARCH_MVEBU)            += mvebu
172 machine-$(CONFIG_ARCH_MXC)              += imx
173 machine-$(CONFIG_ARCH_MXS)              += mxs
174 machine-$(CONFIG_ARCH_NETX)             += netx
175 machine-$(CONFIG_ARCH_NOMADIK)          += nomadik
176 machine-$(CONFIG_ARCH_NSPIRE)           += nspire
177 machine-$(CONFIG_ARCH_OMAP1)            += omap1
178 machine-$(CONFIG_ARCH_OMAP2PLUS)        += omap2
179 machine-$(CONFIG_ARCH_ORION5X)          += orion5x
180 machine-$(CONFIG_ARCH_PICOXCELL)        += picoxcell
181 machine-$(CONFIG_ARCH_PXA)              += pxa
182 machine-$(CONFIG_ARCH_REALVIEW)         += realview
183 machine-$(CONFIG_ARCH_ROCKCHIP)         += rockchip
184 machine-$(CONFIG_ARCH_RPC)              += rpc
185 machine-$(CONFIG_ARCH_S3C24XX)          += s3c24xx
186 machine-$(CONFIG_ARCH_S3C64XX)          += s3c64xx
187 machine-$(CONFIG_ARCH_S5P64X0)          += s5p64x0
188 machine-$(CONFIG_ARCH_S5PC100)          += s5pc100
189 machine-$(CONFIG_ARCH_S5PV210)          += s5pv210
190 machine-$(CONFIG_ARCH_SA1100)           += sa1100
191 machine-$(CONFIG_ARCH_SHARK)            += shark
192 machine-$(CONFIG_ARCH_SHMOBILE)         += shmobile
193 machine-$(CONFIG_ARCH_SHMOBILE_MULTI)   += shmobile
194 machine-$(CONFIG_ARCH_SIRF)             += prima2
195 machine-$(CONFIG_ARCH_SOCFPGA)          += socfpga
196 machine-$(CONFIG_ARCH_STI)              += sti
197 machine-$(CONFIG_ARCH_SUNXI)            += sunxi
198 machine-$(CONFIG_ARCH_TEGRA)            += tegra
199 machine-$(CONFIG_ARCH_U300)             += u300
200 machine-$(CONFIG_ARCH_U8500)            += ux500
201 machine-$(CONFIG_ARCH_VERSATILE)        += versatile
202 machine-$(CONFIG_ARCH_VEXPRESS)         += vexpress
203 machine-$(CONFIG_ARCH_VIRT)             += virt
204 machine-$(CONFIG_ARCH_VT8500)           += vt8500
205 machine-$(CONFIG_ARCH_W90X900)          += w90x900
206 machine-$(CONFIG_ARCH_ZYNQ)             += zynq
207 machine-$(CONFIG_FOOTBRIDGE)            += footbridge
208 machine-$(CONFIG_PLAT_SPEAR)            += spear
209
210 # Platform directory name.  This list is sorted alphanumerically
211 # by CONFIG_* macro name.
212 plat-$(CONFIG_ARCH_EXYNOS)      += samsung
213 plat-$(CONFIG_ARCH_OMAP)        += omap
214 plat-$(CONFIG_ARCH_S3C64XX)     += samsung
215 plat-$(CONFIG_PLAT_IOP)         += iop
216 plat-$(CONFIG_PLAT_ORION)       += orion
217 plat-$(CONFIG_PLAT_PXA)         += pxa
218 plat-$(CONFIG_PLAT_S3C24XX)     += samsung
219 plat-$(CONFIG_PLAT_S5P)         += samsung
220 plat-$(CONFIG_PLAT_VERSATILE)   += versatile
221
222 ifeq ($(CONFIG_ARCH_EBSA110),y)
223 # This is what happens if you forget the IOCS16 line.
224 # PCMCIA cards stop working.
225 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
226 export CFLAGS_3c589_cs.o
227 endif
228
229 # The byte offset of the kernel image in RAM from the start of RAM.
230 TEXT_OFFSET := $(textofs-y)
231
232 # The first directory contains additional information for the boot setup code
233 ifneq ($(machine-y),)
234 MACHINE  := arch/arm/mach-$(word 1,$(machine-y))/
235 else
236 MACHINE  :=
237 endif
238 ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y)
239 MACHINE  :=
240 endif
241
242 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
243 platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
244
245 ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y)
246 ifeq ($(KBUILD_SRC),)
247 KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
248 else
249 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
250 endif
251 endif
252
253 export  TEXT_OFFSET GZFLAGS MMUEXT
254
255 # Do we have FASTFPE?
256 FASTFPE         :=arch/arm/fastfpe
257 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
258 FASTFPE_OBJ     :=$(FASTFPE)/
259 endif
260
261 core-$(CONFIG_FPE_NWFPE)        += arch/arm/nwfpe/
262 core-$(CONFIG_FPE_FASTFPE)      += $(FASTFPE_OBJ)
263 core-$(CONFIG_VFP)              += arch/arm/vfp/
264 core-$(CONFIG_XEN)              += arch/arm/xen/
265 core-$(CONFIG_KVM_ARM_HOST)     += arch/arm/kvm/
266
267 # If we have a machine-specific directory, then include it in the build.
268 core-y                          += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
269 core-y                          += arch/arm/net/
270 core-y                          += arch/arm/crypto/
271 core-y                          += $(machdirs) $(platdirs)
272
273 drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/
274
275 libs-y                          := arch/arm/lib/ $(libs-y)
276
277 # Default target when executing plain make
278 ifeq ($(CONFIG_XIP_KERNEL),y)
279 KBUILD_IMAGE := xipImage
280 else
281 KBUILD_IMAGE := zImage
282 endif
283
284 # Build the DT binary blobs if we have OF configured
285 ifeq ($(CONFIG_USE_OF),y)
286 KBUILD_DTBS := dtbs
287 endif
288
289 all:    $(KBUILD_IMAGE) $(KBUILD_DTBS)
290
291 boot := arch/arm/boot
292
293 archprepare:
294         $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h
295
296 # Convert bzImage to zImage
297 bzImage: zImage
298
299 zImage Image xipImage bootpImage uImage: vmlinux
300         $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
301
302 zinstall uinstall install: vmlinux
303         $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
304
305 %.dtb: | scripts
306         $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@
307
308 PHONY += dtbs
309 dtbs: scripts
310         $(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) dtbs
311
312 # We use MRPROPER_FILES and CLEAN_FILES now
313 archclean:
314         $(Q)$(MAKE) $(clean)=$(boot)
315
316 # My testing targets (bypasses dependencies)
317 bp:;    $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
318 i zi:;  $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
319
320
321 define archhelp
322   echo  '* zImage        - Compressed kernel image (arch/$(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)'
325   echo  '  uImage        - U-Boot wrapped zImage'
326   echo  '  bootpImage    - Combined zImage and initial RAM disk'
327   echo  '                  (supply initrd image via make variable INITRD=<path>)'
328   echo  '* dtbs          - Build device tree blobs for enabled boards'
329   echo  '  install       - Install uncompressed kernel'
330   echo  '  zinstall      - Install compressed kernel'
331   echo  '  uinstall      - Install U-Boot wrapped compressed kernel'
332   echo  '                  Install using (your) ~/bin/$(INSTALLKERNEL) or'
333   echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
334   echo  '                  install to $$(INSTALL_PATH) and run lilo'
335 endef