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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 ($(CONFIG_CPU_ENDIAN_BE8),y)
15LDFLAGS_vmlinux += --be8
16endif
Russell King9d4f13e2006-01-03 17:28:33 +000017CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
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 +=$(call cc-option,-marm,)
Linus Torvalds1da177e2005-04-16 15:20:36 -070023
24# Do not use arch/arm/defconfig - it's always outdated.
25# Select a platform tht is kept up-to-date
26KBUILD_DEFCONFIG := versatile_defconfig
27
Hyok S. Choif8c07de2006-03-27 15:14:19 +010028# defines filename extension depending memory manement type.
29ifeq ($(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 Pitre704bdda2006-01-14 16:33:50 +000086ifeq ($(CONFIG_AEABI),y)
Richard Purdiec7fd8442006-04-25 20:36:04 +010087CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
Nicolas Pitre704bdda2006-01-14 16:33:50 +000088else
Catalin Marinasc28a8142005-06-30 17:04:14 +010089CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
Nicolas Pitre704bdda2006-01-14 16:33:50 +000090endif
91
Catalin Marinasadf8b372009-02-12 13:56:34 +010092ifeq ($(CONFIG_ARM_UNWIND),y)
93CFLAGS_ABI +=-funwind-tables
94endif
95
Nicolas Pitre704bdda2006-01-14 16:33:50 +000096# Need -Uarm for gcc < 3.x
Sam Ravnborga0f97e02007-10-14 22:21:35 +020097KBUILD_CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
Sam Ravnborg222d3942007-10-15 21:59:31 +020098KBUILD_AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
Linus Torvalds1da177e2005-04-16 15:20:36 -070099
100CHECKFLAGS += -D__arm__
101
102#Default value
Hyok S. Choi75d90832006-03-27 14:58:25 +0100103head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
Russell King9d4f13e2006-01-03 17:28:33 +0000104textofs-y := 0x00008000
Russell Kingb4175b82009-04-26 14:22:29 +0100105textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
Russell Kingb4175b82009-04-26 14:22:29 +0100107ifeq ($(CONFIG_ARCH_SA1100),y)
108textofs-$(CONFIG_SA1111) := 0x00208000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109endif
Russell Kingb4175b82009-04-26 14:22:29 +0100110
111# Machine directory name. This list is sorted alphanumerically
112# by CONFIG_* macro name.
113machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
114machine-$(CONFIG_ARCH_AT91) := at91
Leo Chen6288e282009-08-07 19:46:15 +0100115machine-$(CONFIG_ARCH_BCMRING) := bcmring
Russell Kingb4175b82009-04-26 14:22:29 +0100116machine-$(CONFIG_ARCH_CLPS711X) := clps711x
117machine-$(CONFIG_ARCH_DAVINCI) := davinci
118machine-$(CONFIG_ARCH_EBSA110) := ebsa110
119machine-$(CONFIG_ARCH_EP93XX) := ep93xx
120machine-$(CONFIG_ARCH_GEMINI) := gemini
121machine-$(CONFIG_ARCH_H720X) := h720x
Russell Kingb4175b82009-04-26 14:22:29 +0100122machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
123machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
124machine-$(CONFIG_ARCH_IOP32X) := iop32x
125machine-$(CONFIG_ARCH_IOP33X) := iop33x
126machine-$(CONFIG_ARCH_IXP2000) := ixp2000
127machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
128machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
129machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
130machine-$(CONFIG_ARCH_KS8695) := ks8695
131machine-$(CONFIG_ARCH_L7200) := l7200
132machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
133machine-$(CONFIG_ARCH_LOKI) := loki
134machine-$(CONFIG_ARCH_MMP) := mmp
135machine-$(CONFIG_ARCH_MSM) := msm
136machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
137machine-$(CONFIG_ARCH_MX1) := mx1
138machine-$(CONFIG_ARCH_MX2) := mx2
139machine-$(CONFIG_ARCH_MX3) := mx3
140machine-$(CONFIG_ARCH_NETX) := netx
141machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
142machine-$(CONFIG_ARCH_OMAP1) := omap1
143machine-$(CONFIG_ARCH_OMAP2) := omap2
144machine-$(CONFIG_ARCH_OMAP3) := omap2
Russell King949abd82009-05-29 20:03:43 +0100145machine-$(CONFIG_ARCH_OMAP4) := omap2
Russell Kingb4175b82009-04-26 14:22:29 +0100146machine-$(CONFIG_ARCH_ORION5X) := orion5x
147machine-$(CONFIG_ARCH_PNX4008) := pnx4008
148machine-$(CONFIG_ARCH_PXA) := pxa
149machine-$(CONFIG_ARCH_REALVIEW) := realview
150machine-$(CONFIG_ARCH_RPC) := rpc
151machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
152machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0
153machine-$(CONFIG_ARCH_S3C64XX) := s3c6400 s3c6410
154machine-$(CONFIG_ARCH_SA1100) := sa1100
155machine-$(CONFIG_ARCH_SHARK) := shark
dmitry pervushin7bd0f2f2009-04-27 10:35:04 +0100156machine-$(CONFIG_ARCH_STMP378X) := stmp378x
157machine-$(CONFIG_ARCH_STMP37XX) := stmp37xx
Linus Walleijd98aac72009-04-27 10:21:46 +0100158machine-$(CONFIG_ARCH_U300) := u300
Russell Kingb4175b82009-04-26 14:22:29 +0100159machine-$(CONFIG_ARCH_VERSATILE) := versatile
160machine-$(CONFIG_ARCH_W90X900) := w90x900
161machine-$(CONFIG_FOOTBRIDGE) := footbridge
162
163# Platform directory name. This list is sorted alphanumerically
164# by CONFIG_* macro name.
165plat-$(CONFIG_ARCH_MXC) := mxc
166plat-$(CONFIG_ARCH_OMAP) := omap
167plat-$(CONFIG_PLAT_IOP) := iop
168plat-$(CONFIG_PLAT_ORION) := orion
169plat-$(CONFIG_PLAT_PXA) := pxa
170plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx s3c
171plat-$(CONFIG_PLAT_S3C64XX) := s3c64xx s3c
dmitry pervushin7bd0f2f2009-04-27 10:35:04 +0100172plat-$(CONFIG_ARCH_STMP3XXX) := stmp3xxx
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173
174ifeq ($(CONFIG_ARCH_EBSA110),y)
175# This is what happens if you forget the IOCS16 line.
176# PCMCIA cards stop working.
177CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
178export CFLAGS_3c589_cs.o
179endif
180
Russell King9d4f13e2006-01-03 17:28:33 +0000181# The byte offset of the kernel image in RAM from the start of RAM.
182TEXT_OFFSET := $(textofs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183
Russell Kingf44f82e2008-08-02 19:36:14 +0100184# The first directory contains additional information for the boot setup code
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185ifneq ($(machine-y),)
Russell Kingf44f82e2008-08-02 19:36:14 +0100186MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187else
188MACHINE :=
189endif
Ben Dooksa21765a2007-02-11 18:31:01 +0100190
Russell Kingf44f82e2008-08-02 19:36:14 +0100191machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
192platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
193
194ifeq ($(KBUILD_SRC),)
195KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
196else
197KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
198endif
199
Hyok S. Choif8c07de2006-03-27 15:14:19 +0100200export TEXT_OFFSET GZFLAGS MMUEXT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201
202# Do we have FASTFPE?
203FASTFPE :=arch/arm/fastfpe
204ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
205FASTFPE_OBJ :=$(FASTFPE)/
206endif
207
208# If we have a machine-specific directory, then include it in the build.
209core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
Russell Kingf44f82e2008-08-02 19:36:14 +0100210core-y += $(machdirs) $(platdirs)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
212core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
213core-$(CONFIG_VFP) += arch/arm/vfp/
214
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700216
Nicolas Pitre30c2f902005-11-04 17:17:30 +0000217libs-y := arch/arm/lib/ $(libs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218
219# Default target when executing plain make
220ifeq ($(CONFIG_XIP_KERNEL),y)
Russell King51342d72006-10-29 12:51:05 +0000221KBUILD_IMAGE := xipImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222else
Russell King51342d72006-10-29 12:51:05 +0000223KBUILD_IMAGE := zImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224endif
225
Russell King51342d72006-10-29 12:51:05 +0000226all: $(KBUILD_IMAGE)
227
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228boot := arch/arm/boot
229
230# Update machine arch and proc symlinks if something which affects
231# them changed. We use .arch to indicate when they were updated
232# last, otherwise make uses the target directory mtime.
233
Al Viro0b155692005-09-26 07:49:27 +0100234archprepare: maketools
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235
Paul Smith4f193362006-03-05 17:14:10 -0500236PHONY += maketools FORCE
Russell Kinga09e64f2008-08-05 16:14:15 +0100237maketools: include/linux/version.h FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700238 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
239
240# Convert bzImage to zImage
241bzImage: zImage
242
243zImage Image xipImage bootpImage uImage: vmlinux
244 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
245
246zinstall install: vmlinux
247 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
248
Sam Ravnborge6ae7442005-09-09 21:08:59 +0200249CLEAN_FILES += include/asm-arm/mach-types.h \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700250 include/asm-arm/arch include/asm-arm/.arch
251
252# We use MRPROPER_FILES and CLEAN_FILES now
253archclean:
254 $(Q)$(MAKE) $(clean)=$(boot)
255
256# My testing targets (bypasses dependencies)
257bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
258i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
259
Linus Torvalds1da177e2005-04-16 15:20:36 -0700260
261define archhelp
262 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
263 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
264 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
Uwe Kleine-Königa4f14ba2008-03-06 16:22:17 +0100265 echo ' uImage - U-Boot wrapped zImage'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266 echo ' bootpImage - Combined zImage and initial RAM disk'
267 echo ' (supply initrd image via make variable INITRD=<path>)'
268 echo ' install - Install uncompressed kernel'
269 echo ' zinstall - Install compressed kernel'
270 echo ' Install using (your) ~/bin/installkernel or'
271 echo ' (distribution) /sbin/installkernel or'
272 echo ' install to $$(INSTALL_PATH) and run lilo'
273endef