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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
13LDFLAGS_vmlinux :=-p --no-undefined -X
26584853
CM
14ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
15LDFLAGS_vmlinux += --be8
16endif
51b563fc 17
1e621a8e 18OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
1da177e4 19GZFLAGS :=-9
a0f97e06 20#KBUILD_CFLAGS +=-pipe
5636810d 21# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
a0f97e06 22KBUILD_CFLAGS +=$(call cc-option,-marm,)
1da177e4
LT
23
24# Do not use arch/arm/defconfig - it's always outdated.
25# Select a platform tht is kept up-to-date
26KBUILD_DEFCONFIG := versatile_defconfig
27
3dbda77e 28# defines filename extension depending memory management type.
f8c07de6
HC
29ifeq ($(CONFIG_MMU),)
30MMUEXT := -nommu
31endif
32
1da177e4 33ifeq ($(CONFIG_FRAME_POINTER),y)
a0f97e06 34KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
1da177e4
LT
35endif
36
37ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
06c5040c 38KBUILD_CPPFLAGS += -mbig-endian
1da177e4
LT
39AS += -EB
40LD += -EB
41else
06c5040c 42KBUILD_CPPFLAGS += -mlittle-endian
1da177e4
LT
43AS += -EL
44LD += -EL
45endif
46
47comma = ,
48
49# This selects which instruction set is used.
50# Note that GCC does not numerically define an architecture version
51# macro, but instead defines a whole series of macros which makes
52# testing for a specific architecture or later rather impossible.
76ebc6a4 53arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
1da177e4 54arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
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CM
55# Only override the compiler option if ARMv6. The ARMv6K extensions are
56# always available in ARMv7
57ifeq ($(CONFIG_CPU_32v6),y)
4a5f79e7 58arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
23688e99 59endif
260e98ed
LB
60arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
61arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
1da177e4
LT
62arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
63arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
64
65# This selects how we optimise for the processor.
66tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
67tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
07e0da78 68tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
1da177e4 69tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
b731c311 70tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
43f5f014 71tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
d60674eb 72tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
e6bb83fd 73tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
1da177e4
LT
74tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
75tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
76tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
77tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
28853ac8 78tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi
1da177e4
LT
79tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
80tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
81tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
23bdf86a 82tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
b71b9eff 83tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale)
cd26f45b 84tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
1da177e4 85
704bdda0 86ifeq ($(CONFIG_AEABI),y)
c7fd8442 87CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
704bdda0 88else
c28a814f 89CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
704bdda0
NP
90endif
91
adf8b37b
CM
92ifeq ($(CONFIG_ARM_UNWIND),y)
93CFLAGS_ABI +=-funwind-tables
94endif
95
16c79651 96ifeq ($(CONFIG_THUMB2_KERNEL),y)
c540b9ff 97AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
16c79651
CM
98AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
99CFLAGS_THUMB2 :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
100AFLAGS_THUMB2 :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb
101endif
102
704bdda0 103# Need -Uarm for gcc < 3.x
16c79651
CM
104KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_THUMB2) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
105KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_THUMB2) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
1da177e4
LT
106
107CHECKFLAGS += -D__arm__
108
109#Default value
75d90832 110head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
9d4f13e5 111textofs-y := 0x00008000
b4175b89 112textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
c4761b69
VK
113# We don't want the htc bootloader to corrupt kernel during resume
114textofs-$(CONFIG_PM_H1940) := 0x00108000
1da177e4 115# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
b4175b89
RK
116ifeq ($(CONFIG_ARCH_SA1100),y)
117textofs-$(CONFIG_SA1111) := 0x00208000
1da177e4 118endif
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RK
119
120# Machine directory name. This list is sorted alphanumerically
121# by CONFIG_* macro name.
122machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
123machine-$(CONFIG_ARCH_AT91) := at91
6288e28d 124machine-$(CONFIG_ARCH_BCMRING) := bcmring
b4175b89
RK
125machine-$(CONFIG_ARCH_CLPS711X) := clps711x
126machine-$(CONFIG_ARCH_DAVINCI) := davinci
edabd38e 127machine-$(CONFIG_ARCH_DOVE) := dove
b4175b89
RK
128machine-$(CONFIG_ARCH_EBSA110) := ebsa110
129machine-$(CONFIG_ARCH_EP93XX) := ep93xx
130machine-$(CONFIG_ARCH_GEMINI) := gemini
131machine-$(CONFIG_ARCH_H720X) := h720x
b4175b89
RK
132machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
133machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
134machine-$(CONFIG_ARCH_IOP32X) := iop32x
135machine-$(CONFIG_ARCH_IOP33X) := iop33x
136machine-$(CONFIG_ARCH_IXP2000) := ixp2000
137machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
138machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
139machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
140machine-$(CONFIG_ARCH_KS8695) := ks8695
141machine-$(CONFIG_ARCH_L7200) := l7200
142machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
143machine-$(CONFIG_ARCH_LOKI) := loki
144machine-$(CONFIG_ARCH_MMP) := mmp
145machine-$(CONFIG_ARCH_MSM) := msm
146machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
147machine-$(CONFIG_ARCH_MX1) := mx1
148machine-$(CONFIG_ARCH_MX2) := mx2
8c25c36f 149machine-$(CONFIG_ARCH_MX25) := mx25
b4175b89 150machine-$(CONFIG_ARCH_MX3) := mx3
b996b583 151machine-$(CONFIG_ARCH_MX5) := mx5
95b8f20f 152machine-$(CONFIG_ARCH_MXC91231) := mxc91231
b4175b89 153machine-$(CONFIG_ARCH_NETX) := netx
28ad94ec 154machine-$(CONFIG_ARCH_NOMADIK) := nomadik
b4175b89
RK
155machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
156machine-$(CONFIG_ARCH_OMAP1) := omap1
157machine-$(CONFIG_ARCH_OMAP2) := omap2
158machine-$(CONFIG_ARCH_OMAP3) := omap2
949abd84 159machine-$(CONFIG_ARCH_OMAP4) := omap2
b4175b89
RK
160machine-$(CONFIG_ARCH_ORION5X) := orion5x
161machine-$(CONFIG_ARCH_PNX4008) := pnx4008
162machine-$(CONFIG_ARCH_PXA) := pxa
163machine-$(CONFIG_ARCH_REALVIEW) := realview
164machine-$(CONFIG_ARCH_RPC) := rpc
f1290a49 165machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2416 s3c2440 s3c2443
b4175b89 166machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0
431107ea 167machine-$(CONFIG_ARCH_S3C64XX) := s3c64xx
c4ffccdd 168machine-$(CONFIG_ARCH_S5P6440) := s5p6440
550db7f1 169machine-$(CONFIG_ARCH_S5P6442) := s5p6442
acc84707 170machine-$(CONFIG_ARCH_S5PC100) := s5pc100
170f4e42 171machine-$(CONFIG_ARCH_S5PV210) := s5pv210
b4175b89
RK
172machine-$(CONFIG_ARCH_SA1100) := sa1100
173machine-$(CONFIG_ARCH_SHARK) := shark
c793c1b0 174machine-$(CONFIG_ARCH_SHMOBILE) := shmobile
7bd0f2f5 175machine-$(CONFIG_ARCH_STMP378X) := stmp378x
176machine-$(CONFIG_ARCH_STMP37XX) := stmp37xx
d98aac75 177machine-$(CONFIG_ARCH_U300) := u300
850265e8 178machine-$(CONFIG_ARCH_U8500) := ux500
b4175b89
RK
179machine-$(CONFIG_ARCH_VERSATILE) := versatile
180machine-$(CONFIG_ARCH_W90X900) := w90x900
a62e9030 181machine-$(CONFIG_ARCH_NUC93X) := nuc93x
b4175b89
RK
182machine-$(CONFIG_FOOTBRIDGE) := footbridge
183
184# Platform directory name. This list is sorted alphanumerically
185# by CONFIG_* macro name.
186plat-$(CONFIG_ARCH_MXC) := mxc
187plat-$(CONFIG_ARCH_OMAP) := omap
882d01f9 188plat-$(CONFIG_ARCH_S3C64XX) := samsung
95b8f20f 189plat-$(CONFIG_ARCH_STMP3XXX) := stmp3xxx
b4175b89 190plat-$(CONFIG_PLAT_IOP) := iop
59b559d7 191plat-$(CONFIG_PLAT_NOMADIK) := nomadik
b4175b89
RK
192plat-$(CONFIG_PLAT_ORION) := orion
193plat-$(CONFIG_PLAT_PXA) := pxa
7965b214 194plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx samsung
7965b214 195plat-$(CONFIG_PLAT_S5P) := s5p samsung
1da177e4
LT
196
197ifeq ($(CONFIG_ARCH_EBSA110),y)
198# This is what happens if you forget the IOCS16 line.
199# PCMCIA cards stop working.
200CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
201export CFLAGS_3c589_cs.o
202endif
203
9d4f13e5
RK
204# The byte offset of the kernel image in RAM from the start of RAM.
205TEXT_OFFSET := $(textofs-y)
1da177e4 206
f44f82e8 207# The first directory contains additional information for the boot setup code
1da177e4 208ifneq ($(machine-y),)
f44f82e8 209MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
1da177e4
LT
210else
211MACHINE :=
212endif
a21765a7 213
f44f82e8
RK
214machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
215platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
216
217ifeq ($(KBUILD_SRC),)
218KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
219else
220KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
221endif
222
f8c07de6 223export TEXT_OFFSET GZFLAGS MMUEXT
1da177e4
LT
224
225# Do we have FASTFPE?
226FASTFPE :=arch/arm/fastfpe
227ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
228FASTFPE_OBJ :=$(FASTFPE)/
229endif
230
231# If we have a machine-specific directory, then include it in the build.
232core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
f44f82e8 233core-y += $(machdirs) $(platdirs)
1da177e4
LT
234core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
235core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
236core-$(CONFIG_VFP) += arch/arm/vfp/
237
238drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
1da177e4 239
30c2f90b 240libs-y := arch/arm/lib/ $(libs-y)
1da177e4
LT
241
242# Default target when executing plain make
243ifeq ($(CONFIG_XIP_KERNEL),y)
51342d71 244KBUILD_IMAGE := xipImage
1da177e4 245else
51342d71 246KBUILD_IMAGE := zImage
1da177e4
LT
247endif
248
51342d71
RK
249all: $(KBUILD_IMAGE)
250
1da177e4
LT
251boot := arch/arm/boot
252
66206536
SR
253archprepare:
254 $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h
1da177e4
LT
255
256# Convert bzImage to zImage
257bzImage: zImage
258
259zImage Image xipImage bootpImage uImage: vmlinux
260 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
261
262zinstall install: vmlinux
263 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
264
1da177e4
LT
265# We use MRPROPER_FILES and CLEAN_FILES now
266archclean:
267 $(Q)$(MAKE) $(clean)=$(boot)
268
269# My testing targets (bypasses dependencies)
270bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
271i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
272
1da177e4
LT
273
274define archhelp
275 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
276 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
277 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
a4f14bac 278 echo ' uImage - U-Boot wrapped zImage'
1da177e4
LT
279 echo ' bootpImage - Combined zImage and initial RAM disk'
280 echo ' (supply initrd image via make variable INITRD=<path>)'
281 echo ' install - Install uncompressed kernel'
282 echo ' zinstall - Install compressed kernel'
caa27b66
SR
283 echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
284 echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
1da177e4
LT
285 echo ' install to $$(INSTALL_PATH) and run lilo'
286endef