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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
Russell King9d4f13e2006-01-03 17:28:33 +000014CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
Lennert Buytenhek1e621a82007-10-12 14:38:54 +010015OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
Linus Torvalds1da177e2005-04-16 15:20:36 -070016GZFLAGS :=-9
Sam Ravnborga0f97e02007-10-14 22:21:35 +020017#KBUILD_CFLAGS +=-pipe
George G. Davis56368102006-12-05 18:28:04 +010018# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
Sam Ravnborga0f97e02007-10-14 22:21:35 +020019KBUILD_CFLAGS +=$(call cc-option,-marm,)
Linus Torvalds1da177e2005-04-16 15:20:36 -070020
21# Do not use arch/arm/defconfig - it's always outdated.
22# Select a platform tht is kept up-to-date
23KBUILD_DEFCONFIG := versatile_defconfig
24
Hyok S. Choif8c07de2006-03-27 15:14:19 +010025# defines filename extension depending memory manement type.
26ifeq ($(CONFIG_MMU),)
27MMUEXT := -nommu
28endif
29
Linus Torvalds1da177e2005-04-16 15:20:36 -070030ifeq ($(CONFIG_FRAME_POINTER),y)
Sam Ravnborga0f97e02007-10-14 22:21:35 +020031KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
Linus Torvalds1da177e2005-04-16 15:20:36 -070032endif
33
34ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
Sam Ravnborg06c50402007-10-15 22:17:25 +020035KBUILD_CPPFLAGS += -mbig-endian
Linus Torvalds1da177e2005-04-16 15:20:36 -070036AS += -EB
37LD += -EB
38else
Sam Ravnborg06c50402007-10-15 22:17:25 +020039KBUILD_CPPFLAGS += -mlittle-endian
Linus Torvalds1da177e2005-04-16 15:20:36 -070040AS += -EL
41LD += -EL
42endif
43
44comma = ,
45
46# This selects which instruction set is used.
47# Note that GCC does not numerically define an architecture version
48# macro, but instead defines a whole series of macros which makes
49# testing for a specific architecture or later rather impossible.
Catalin Marinas23688e92007-05-08 22:45:26 +010050arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7a,-march=armv5t -Wa$(comma)-march=armv7a)
Linus Torvalds1da177e2005-04-16 15:20:36 -070051arch-$(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 +010052# Only override the compiler option if ARMv6. The ARMv6K extensions are
53# always available in ARMv7
54ifeq ($(CONFIG_CPU_32v6),y)
Russell King4a5f79e2005-11-03 15:48:21 +000055arch-$(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 +010056endif
Lennert Buytenhek260e98e2006-08-28 12:51:20 +010057arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
58arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
Linus Torvalds1da177e2005-04-16 15:20:36 -070059arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
60arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
61
62# This selects how we optimise for the processor.
63tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
64tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
Hyok S. Choi07e0da72006-09-26 17:37:36 +090065tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
Linus Torvalds1da177e2005-04-16 15:20:36 -070066tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
Hyok S. Choib731c312006-09-26 17:37:50 +090067tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
Hyok S. Choi43f5f012006-09-26 17:38:05 +090068tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
Hyok S. Choid60674e2006-09-26 17:38:18 +090069tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
Hyok S. Choif37f46e2006-09-26 17:38:32 +090070tune-$(CONFIG_CPU_ARM946T) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
Linus Torvalds1da177e2005-04-16 15:20:36 -070071tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
72tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
73tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
74tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
75tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
76tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
77tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
Lennert Buytenhek23bdf862006-03-28 21:00:40 +010078tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
George G. Daviscd26f452005-10-12 19:58:09 +010079tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
Linus Torvalds1da177e2005-04-16 15:20:36 -070080
Nicolas Pitre704bdda02006-01-14 16:33:50 +000081ifeq ($(CONFIG_AEABI),y)
Richard Purdiec7fd8442006-04-25 20:36:04 +010082CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
Nicolas Pitre704bdda02006-01-14 16:33:50 +000083else
Catalin Marinasc28a8142005-06-30 17:04:14 +010084CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
Nicolas Pitre704bdda02006-01-14 16:33:50 +000085endif
86
87# Need -Uarm for gcc < 3.x
Sam Ravnborga0f97e02007-10-14 22:21:35 +020088KBUILD_CFLAGS +=$(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 +020089KBUILD_AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
Linus Torvalds1da177e2005-04-16 15:20:36 -070090
91CHECKFLAGS += -D__arm__
92
93#Default value
Hyok S. Choi75d90832006-03-27 14:58:25 +010094head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
Russell King9d4f13e2006-01-03 17:28:33 +000095textofs-y := 0x00008000
Linus Torvalds1da177e2005-04-16 15:20:36 -070096
97 machine-$(CONFIG_ARCH_RPC) := rpc
98 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
99 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
100 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
101 machine-$(CONFIG_FOOTBRIDGE) := footbridge
102 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103 machine-$(CONFIG_ARCH_CO285) := footbridge
104 incdir-$(CONFIG_ARCH_CO285) := ebsa285
105 machine-$(CONFIG_ARCH_SHARK) := shark
106 machine-$(CONFIG_ARCH_SA1100) := sa1100
107ifeq ($(CONFIG_ARCH_SA1100),y)
108# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
Russell King9d4f13e2006-01-03 17:28:33 +0000109 textofs-$(CONFIG_SA1111) := 0x00208000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110endif
111 machine-$(CONFIG_ARCH_PXA) := pxa
112 machine-$(CONFIG_ARCH_L7200) := l7200
113 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
Russell King9d4f13e2006-01-03 17:28:33 +0000114 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100116 machine-$(CONFIG_ARCH_IOP32X) := iop32x
117 machine-$(CONFIG_ARCH_IOP33X) := iop33x
Dan Williams285f5fa2006-12-07 02:59:39 +0100118 machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
120 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100121 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
Tony Lindgrend48af152005-07-10 19:58:17 +0100122 machine-$(CONFIG_ARCH_OMAP1) := omap1
Tony Lindgren1dbae812005-11-10 14:26:51 +0000123 machine-$(CONFIG_ARCH_OMAP2) := omap2
Tony Lindgrend48af152005-07-10 19:58:17 +0100124 incdir-$(CONFIG_ARCH_OMAP) := omap
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
126 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
127 machine-$(CONFIG_ARCH_VERSATILE) := versatile
128 machine-$(CONFIG_ARCH_IMX) := imx
129 machine-$(CONFIG_ARCH_H720X) := h720x
Bellido Nicolas038c5b62005-06-20 18:51:05 +0100130 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
Catalin Marinas8ad68bb2005-10-31 14:25:02 +0000131 machine-$(CONFIG_ARCH_REALVIEW) := realview
David Brownell4afffe52007-02-19 21:28:53 -0800132 machine-$(CONFIG_ARCH_AT91) := at91
Uwe Kleine-König9918cda2007-02-16 15:36:55 +0100133 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
134 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
135 machine-$(CONFIG_ARCH_NETX) := netx
136 machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
137 textofs-$(CONFIG_ARCH_NS9XXX) := 0x00108000
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100138 machine-$(CONFIG_ARCH_DAVINCI) := davinci
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100139 machine-$(CONFIG_ARCH_KS8695) := ks8695
Quinn Jensen52c543f2007-07-09 22:06:53 +0100140 incdir-$(CONFIG_ARCH_MXC) := mxc
141 machine-$(CONFIG_ARCH_MX3) := mx3
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142
143ifeq ($(CONFIG_ARCH_EBSA110),y)
144# This is what happens if you forget the IOCS16 line.
145# PCMCIA cards stop working.
146CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
147export CFLAGS_3c589_cs.o
148endif
149
Russell King9d4f13e2006-01-03 17:28:33 +0000150# The byte offset of the kernel image in RAM from the start of RAM.
151TEXT_OFFSET := $(textofs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152
153ifeq ($(incdir-y),)
154incdir-y := $(machine-y)
155endif
156INCDIR := arch-$(incdir-y)
Nicolas Pitre37d07b72005-10-29 21:44:56 +0100157
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158ifneq ($(machine-y),)
159MACHINE := arch/arm/mach-$(machine-y)/
160else
161MACHINE :=
162endif
Ben Dooksa21765a2007-02-11 18:31:01 +0100163
Hyok S. Choif8c07de2006-03-27 15:14:19 +0100164export TEXT_OFFSET GZFLAGS MMUEXT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165
166# Do we have FASTFPE?
167FASTFPE :=arch/arm/fastfpe
168ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
169FASTFPE_OBJ :=$(FASTFPE)/
170endif
171
172# If we have a machine-specific directory, then include it in the build.
173core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
174core-y += $(MACHINE)
Ben Dooksa21765a2007-02-11 18:31:01 +0100175core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2400/
176core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2412/
177core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2440/
178core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2442/
Ben Dookse4d06e32007-02-16 12:12:31 +0100179core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2443/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
181core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
182core-$(CONFIG_VFP) += arch/arm/vfp/
183
Tony Lindgrend48af152005-07-10 19:58:17 +0100184# If we have a common platform directory, then include it in the build.
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100185core-$(CONFIG_PLAT_IOP) += arch/arm/plat-iop/
Tony Lindgrend48af152005-07-10 19:58:17 +0100186core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
Ben Dooksa21765a2007-02-11 18:31:01 +0100187core-$(CONFIG_PLAT_S3C24XX) += arch/arm/plat-s3c24xx/
Quinn Jensen52c543f2007-07-09 22:06:53 +0100188core-$(CONFIG_ARCH_MXC) += arch/arm/plat-mxc/
Tony Lindgrend48af152005-07-10 19:58:17 +0100189
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
191drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
192drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
193
Nicolas Pitre30c2f902005-11-04 17:17:30 +0000194libs-y := arch/arm/lib/ $(libs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195
196# Default target when executing plain make
197ifeq ($(CONFIG_XIP_KERNEL),y)
Russell King51342d72006-10-29 12:51:05 +0000198KBUILD_IMAGE := xipImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199else
Russell King51342d72006-10-29 12:51:05 +0000200KBUILD_IMAGE := zImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201endif
202
Russell King51342d72006-10-29 12:51:05 +0000203all: $(KBUILD_IMAGE)
204
Linus Torvalds1da177e2005-04-16 15:20:36 -0700205boot := arch/arm/boot
206
207# Update machine arch and proc symlinks if something which affects
208# them changed. We use .arch to indicate when they were updated
209# last, otherwise make uses the target directory mtime.
210
Roman Zippel2e3646e2006-06-08 22:12:42 -0700211include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
Linus Torvalds1da177e2005-04-16 15:20:36 -0700212 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
213ifneq ($(KBUILD_SRC),)
214 $(Q)mkdir -p include/asm-arm
215 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
216else
217 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
218endif
219 @touch $@
220
Al Viro0b155692005-09-26 07:49:27 +0100221archprepare: maketools
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222
Paul Smith4f193362006-03-05 17:14:10 -0500223PHONY += maketools FORCE
Al Viro0b155692005-09-26 07:49:27 +0100224maketools: include/linux/version.h include/asm-arm/.arch FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
226
227# Convert bzImage to zImage
228bzImage: zImage
229
230zImage Image xipImage bootpImage uImage: vmlinux
231 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
232
233zinstall install: vmlinux
234 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
235
Sam Ravnborge6ae7442005-09-09 21:08:59 +0200236CLEAN_FILES += include/asm-arm/mach-types.h \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700237 include/asm-arm/arch include/asm-arm/.arch
238
239# We use MRPROPER_FILES and CLEAN_FILES now
240archclean:
241 $(Q)$(MAKE) $(clean)=$(boot)
242
243# My testing targets (bypasses dependencies)
244bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
245i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
246
Linus Torvalds1da177e2005-04-16 15:20:36 -0700247
248define archhelp
249 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
250 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
251 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
252 echo ' bootpImage - Combined zImage and initial RAM disk'
253 echo ' (supply initrd image via make variable INITRD=<path>)'
254 echo ' install - Install uncompressed kernel'
255 echo ' zinstall - Install compressed kernel'
256 echo ' Install using (your) ~/bin/installkernel or'
257 echo ' (distribution) /sbin/installkernel or'
258 echo ' install to $$(INSTALL_PATH) and run lilo'
259endef