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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# arch/arm/Makefile
3#
Paul Smith4f193362006-03-05 17:14:10 -05004# This file is included by the global makefile so that you can add your own
5# architecture-specific flags and dependencies.
6#
Linus Torvalds1da177e2005-04-16 15:20:36 -07007# 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
Catalin Marinas26584852009-05-30 14:00:18 +010014ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
15LDFLAGS_vmlinux += --be8
16endif
Sam Ravnborg51b563f2009-09-20 12:28:22 +020017
Lennert Buytenhek1e621a82007-10-12 14:38:54 +010018OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
Linus Torvalds1da177e2005-04-16 15:20:36 -070019GZFLAGS :=-9
Sam Ravnborga0f97e02007-10-14 22:21:35 +020020#KBUILD_CFLAGS +=-pipe
George G. Davis56368102006-12-05 18:28:04 +010021# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
Sam Ravnborga0f97e02007-10-14 22:21:35 +020022KBUILD_CFLAGS +=$(call cc-option,-marm,)
Linus Torvalds1da177e2005-04-16 15:20:36 -070023
24# Do not use arch/arm/defconfig - it's always outdated.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
Uwe Kleine-Koenig3dbda772009-07-23 08:31:31 +020028# defines filename extension depending memory management type.
Hyok S. Choif8c07de2006-03-27 15:14:19 +010029ifeq ($(CONFIG_MMU),)
30MMUEXT := -nommu
31endif
32
Linus Torvalds1da177e2005-04-16 15:20:36 -070033ifeq ($(CONFIG_FRAME_POINTER),y)
Sam Ravnborga0f97e02007-10-14 22:21:35 +020034KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
Linus Torvalds1da177e2005-04-16 15:20:36 -070035endif
36
37ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
Sam Ravnborg06c50402007-10-15 22:17:25 +020038KBUILD_CPPFLAGS += -mbig-endian
Linus Torvalds1da177e2005-04-16 15:20:36 -070039AS += -EB
40LD += -EB
41else
Sam Ravnborg06c50402007-10-15 22:17:25 +020042KBUILD_CPPFLAGS += -mlittle-endian
Linus Torvalds1da177e2005-04-16 15:20:36 -070043AS += -EL
44LD += -EL
45endif
46
47comma = ,
48
49# This selects which instruction set is used.
50# Note that GCC does not numerically define an architecture version
51# macro, but instead defines a whole series of macros which makes
52# testing for a specific architecture or later rather impossible.
Catalin Marinas76ebc6a2008-09-29 11:06:09 +010053arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
Linus Torvalds1da177e2005-04-16 15:20:36 -070054arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
Catalin Marinas23688e92007-05-08 22:45:26 +010055# Only override the compiler option if ARMv6. The ARMv6K extensions are
56# always available in ARMv7
57ifeq ($(CONFIG_CPU_32v6),y)
Russell King4a5f79e2005-11-03 15:48:21 +000058arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
Catalin Marinas23688e92007-05-08 22:45:26 +010059endif
Lennert Buytenhek260e98e2006-08-28 12:51:20 +010060arch-$(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
Linus Torvalds1da177e2005-04-16 15:20:36 -070062arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
63arch-$(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
Hyok S. Choi07e0da72006-09-26 17:37:36 +090068tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
Linus Torvalds1da177e2005-04-16 15:20:36 -070069tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
Hyok S. Choib731c312006-09-26 17:37:50 +090070tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
Hyok S. Choi43f5f012006-09-26 17:38:05 +090071tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
Hyok S. Choid60674e2006-09-26 17:38:18 +090072tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
Adrian Bunke6bb83f2008-07-19 17:52:59 +010073tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
Linus Torvalds1da177e2005-04-16 15:20:36 -070074tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
75tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
76tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
77tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
Paulius Zaleckas28853ac2009-03-25 13:10:01 +020078tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi
Linus Torvalds1da177e2005-04-16 15:20:36 -070079tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
80tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
81tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
Lennert Buytenhek23bdf862006-03-28 21:00:40 +010082tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
Nicolas Pitreb71b9ef2008-12-04 01:03:57 -050083tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale)
George G. Daviscd26f452005-10-12 19:58:09 +010084tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
Linus Torvalds1da177e2005-04-16 15:20:36 -070085
Nicolas Pitre704bdda02006-01-14 16:33:50 +000086ifeq ($(CONFIG_AEABI),y)
Richard Purdiec7fd8442006-04-25 20:36:04 +010087CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
Nicolas Pitre704bdda02006-01-14 16:33:50 +000088else
Catalin Marinasc28a8142005-06-30 17:04:14 +010089CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
Nicolas Pitre704bdda02006-01-14 16:33:50 +000090endif
91
Catalin Marinasadf8b372009-02-12 13:56:34 +010092ifeq ($(CONFIG_ARM_UNWIND),y)
93CFLAGS_ABI +=-funwind-tables
94endif
95
Catalin Marinas16c79652009-07-24 12:33:02 +010096ifeq ($(CONFIG_THUMB2_KERNEL),y)
97AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=thumb,-Wa$(comma)-mauto-it)
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$(comma)-mthumb
101endif
102
Nicolas Pitre704bdda02006-01-14 16:33:50 +0000103# Need -Uarm for gcc < 3.x
Catalin Marinas16c79652009-07-24 12:33:02 +0100104KBUILD_CFLAGS +=$(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) $(tune-y) -include asm/unified.h -msoft-float
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106
107CHECKFLAGS += -D__arm__
108
109#Default value
Hyok S. Choi75d90832006-03-27 14:58:25 +0100110head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
Russell King9d4f13e2006-01-03 17:28:33 +0000111textofs-y := 0x00008000
Russell Kingb4175b82009-04-26 14:22:29 +0100112textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
Russell Kingb4175b82009-04-26 14:22:29 +0100114ifeq ($(CONFIG_ARCH_SA1100),y)
115textofs-$(CONFIG_SA1111) := 0x00208000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116endif
Russell Kingb4175b82009-04-26 14:22:29 +0100117
118# Machine directory name. This list is sorted alphanumerically
119# by CONFIG_* macro name.
120machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
121machine-$(CONFIG_ARCH_AT91) := at91
Leo Chen6288e282009-08-07 19:46:15 +0100122machine-$(CONFIG_ARCH_BCMRING) := bcmring
Russell Kingb4175b82009-04-26 14:22:29 +0100123machine-$(CONFIG_ARCH_CLPS711X) := clps711x
124machine-$(CONFIG_ARCH_DAVINCI) := davinci
125machine-$(CONFIG_ARCH_EBSA110) := ebsa110
126machine-$(CONFIG_ARCH_EP93XX) := ep93xx
127machine-$(CONFIG_ARCH_GEMINI) := gemini
128machine-$(CONFIG_ARCH_H720X) := h720x
Russell Kingb4175b82009-04-26 14:22:29 +0100129machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
130machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
131machine-$(CONFIG_ARCH_IOP32X) := iop32x
132machine-$(CONFIG_ARCH_IOP33X) := iop33x
133machine-$(CONFIG_ARCH_IXP2000) := ixp2000
134machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
135machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
136machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
137machine-$(CONFIG_ARCH_KS8695) := ks8695
138machine-$(CONFIG_ARCH_L7200) := l7200
139machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
140machine-$(CONFIG_ARCH_LOKI) := loki
141machine-$(CONFIG_ARCH_MMP) := mmp
142machine-$(CONFIG_ARCH_MSM) := msm
143machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
144machine-$(CONFIG_ARCH_MX1) := mx1
145machine-$(CONFIG_ARCH_MX2) := mx2
Sascha Hauer8c25c362009-06-04 11:32:12 +0200146machine-$(CONFIG_ARCH_MX25) := mx25
Russell Kingb4175b82009-04-26 14:22:29 +0100147machine-$(CONFIG_ARCH_MX3) := mx3
148machine-$(CONFIG_ARCH_NETX) := netx
Alessandro Rubini28ad94e2009-07-02 19:06:47 +0100149machine-$(CONFIG_ARCH_NOMADIK) := nomadik
Russell Kingb4175b82009-04-26 14:22:29 +0100150machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
151machine-$(CONFIG_ARCH_OMAP1) := omap1
152machine-$(CONFIG_ARCH_OMAP2) := omap2
153machine-$(CONFIG_ARCH_OMAP3) := omap2
Russell King949abd82009-05-29 20:03:43 +0100154machine-$(CONFIG_ARCH_OMAP4) := omap2
Russell Kingb4175b82009-04-26 14:22:29 +0100155machine-$(CONFIG_ARCH_ORION5X) := orion5x
156machine-$(CONFIG_ARCH_PNX4008) := pnx4008
157machine-$(CONFIG_ARCH_PXA) := pxa
158machine-$(CONFIG_ARCH_REALVIEW) := realview
159machine-$(CONFIG_ARCH_RPC) := rpc
160machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
161machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0
162machine-$(CONFIG_ARCH_S3C64XX) := s3c6400 s3c6410
Byungho Min5a7652f2009-06-23 21:39:42 +0900163machine-$(CONFIG_ARCH_S5PC1XX) := s5pc100
Russell Kingb4175b82009-04-26 14:22:29 +0100164machine-$(CONFIG_ARCH_SA1100) := sa1100
165machine-$(CONFIG_ARCH_SHARK) := shark
dmitry pervushin7bd0f2f2009-04-27 10:35:04 +0100166machine-$(CONFIG_ARCH_STMP378X) := stmp378x
167machine-$(CONFIG_ARCH_STMP37XX) := stmp37xx
Linus Walleijd98aac72009-04-27 10:21:46 +0100168machine-$(CONFIG_ARCH_U300) := u300
Russell Kingb4175b82009-04-26 14:22:29 +0100169machine-$(CONFIG_ARCH_VERSATILE) := versatile
170machine-$(CONFIG_ARCH_W90X900) := w90x900
171machine-$(CONFIG_FOOTBRIDGE) := footbridge
Dmitriy Taychenachevfd6ac7b2009-07-31 20:29:22 +0900172machine-$(CONFIG_ARCH_MXC91231) := mxc91231
Russell Kingb4175b82009-04-26 14:22:29 +0100173
174# Platform directory name. This list is sorted alphanumerically
175# by CONFIG_* macro name.
176plat-$(CONFIG_ARCH_MXC) := mxc
177plat-$(CONFIG_ARCH_OMAP) := omap
178plat-$(CONFIG_PLAT_IOP) := iop
179plat-$(CONFIG_PLAT_ORION) := orion
180plat-$(CONFIG_PLAT_PXA) := pxa
181plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx s3c
182plat-$(CONFIG_PLAT_S3C64XX) := s3c64xx s3c
Byungho Min5a7652f2009-06-23 21:39:42 +0900183plat-$(CONFIG_PLAT_S5PC1XX) := s5pc1xx s3c
dmitry pervushin7bd0f2f2009-04-27 10:35:04 +0100184plat-$(CONFIG_ARCH_STMP3XXX) := stmp3xxx
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185
186ifeq ($(CONFIG_ARCH_EBSA110),y)
187# This is what happens if you forget the IOCS16 line.
188# PCMCIA cards stop working.
189CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
190export CFLAGS_3c589_cs.o
191endif
192
Russell King9d4f13e2006-01-03 17:28:33 +0000193# The byte offset of the kernel image in RAM from the start of RAM.
194TEXT_OFFSET := $(textofs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195
Russell Kingf44f82e2008-08-02 19:36:14 +0100196# The first directory contains additional information for the boot setup code
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197ifneq ($(machine-y),)
Russell Kingf44f82e2008-08-02 19:36:14 +0100198MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199else
200MACHINE :=
201endif
Ben Dooksa21765a2007-02-11 18:31:01 +0100202
Russell Kingf44f82e2008-08-02 19:36:14 +0100203machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
204platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
205
206ifeq ($(KBUILD_SRC),)
207KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
208else
209KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
210endif
211
Hyok S. Choif8c07de2006-03-27 15:14:19 +0100212export TEXT_OFFSET GZFLAGS MMUEXT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213
214# Do we have FASTFPE?
215FASTFPE :=arch/arm/fastfpe
216ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
217FASTFPE_OBJ :=$(FASTFPE)/
218endif
219
220# If we have a machine-specific directory, then include it in the build.
221core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
Russell Kingf44f82e2008-08-02 19:36:14 +0100222core-y += $(machdirs) $(platdirs)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
224core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
225core-$(CONFIG_VFP) += arch/arm/vfp/
226
Linus Torvalds1da177e2005-04-16 15:20:36 -0700227drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228
Nicolas Pitre30c2f902005-11-04 17:17:30 +0000229libs-y := arch/arm/lib/ $(libs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700230
231# Default target when executing plain make
232ifeq ($(CONFIG_XIP_KERNEL),y)
Russell King51342d72006-10-29 12:51:05 +0000233KBUILD_IMAGE := xipImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234else
Russell King51342d72006-10-29 12:51:05 +0000235KBUILD_IMAGE := zImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236endif
237
Russell King51342d72006-10-29 12:51:05 +0000238all: $(KBUILD_IMAGE)
239
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240boot := arch/arm/boot
241
242# Update machine arch and proc symlinks if something which affects
243# them changed. We use .arch to indicate when they were updated
244# last, otherwise make uses the target directory mtime.
245
Al Viro0b155692005-09-26 07:49:27 +0100246archprepare: maketools
Linus Torvalds1da177e2005-04-16 15:20:36 -0700247
Paul Smith4f193362006-03-05 17:14:10 -0500248PHONY += maketools FORCE
Russell Kinga09e64f2008-08-05 16:14:15 +0100249maketools: include/linux/version.h FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700250 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
251
252# Convert bzImage to zImage
253bzImage: zImage
254
255zImage Image xipImage bootpImage uImage: vmlinux
256 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
257
258zinstall install: vmlinux
259 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
260
Sam Ravnborge6ae7442005-09-09 21:08:59 +0200261CLEAN_FILES += include/asm-arm/mach-types.h \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262 include/asm-arm/arch include/asm-arm/.arch
263
264# We use MRPROPER_FILES and CLEAN_FILES now
265archclean:
266 $(Q)$(MAKE) $(clean)=$(boot)
267
268# My testing targets (bypasses dependencies)
269bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
270i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
271
Linus Torvalds1da177e2005-04-16 15:20:36 -0700272
273define archhelp
274 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
275 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
276 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
Uwe Kleine-Königa4f14ba2008-03-06 16:22:17 +0100277 echo ' uImage - U-Boot wrapped zImage'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700278 echo ' bootpImage - Combined zImage and initial RAM disk'
279 echo ' (supply initrd image via make variable INITRD=<path>)'
280 echo ' install - Install uncompressed kernel'
281 echo ' zinstall - Install compressed kernel'
Sam Ravnborgcaa27b62009-07-20 21:37:11 +0200282 echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
283 echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700284 echo ' install to $$(INSTALL_PATH) and run lilo'
285endef