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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21# Do not use arch/arm/defconfig - it's always outdated.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-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
Adrian Bunke6bb83f2008-07-19 17:52:59 +010070tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
Linus Torvalds1da177e2005-04-16 15:20:36 -070071tune-$(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) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
Linus Torvalds1da177e2005-04-16 15:20:36 -070080
Nicolas Pitre704bdda2006-01-14 16:33:50 +000081ifeq ($(CONFIG_AEABI),y)
Richard Purdiec7fd8442006-04-25 20:36:04 +010082CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
Nicolas Pitre704bdda2006-01-14 16:33:50 +000083else
Catalin Marinasc28a8142005-06-30 17:04:14 +010084CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
Nicolas Pitre704bdda2006-01-14 16:33:50 +000085endif
86
87# Need -Uarm for gcc < 3.x
Sam Ravnborga0f97e02007-10-14 22:21:35 +020088KBUILD_CFLAGS +=$(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-$(CONFIG_ARCH_CLPS7500) := clps7500
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100 machine-$(CONFIG_FOOTBRIDGE) := footbridge
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101 machine-$(CONFIG_ARCH_SHARK) := shark
102 machine-$(CONFIG_ARCH_SA1100) := sa1100
103ifeq ($(CONFIG_ARCH_SA1100),y)
104# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
Russell King9d4f13e2006-01-03 17:28:33 +0000105 textofs-$(CONFIG_SA1111) := 0x00208000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106endif
107 machine-$(CONFIG_ARCH_PXA) := pxa
108 machine-$(CONFIG_ARCH_L7200) := l7200
109 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
Russell King9d4f13e2006-01-03 17:28:33 +0000110 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100112 machine-$(CONFIG_ARCH_IOP32X) := iop32x
113 machine-$(CONFIG_ARCH_IOP33X) := iop33x
Dan Williams285f5fa2006-12-07 02:59:39 +0100114 machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
Russell Kingf44f82e2008-08-02 19:36:14 +0100115 plat-$(CONFIG_PLAT_IOP) := iop
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
117 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100118 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
Tony Lindgrend48af152005-07-10 19:58:17 +0100119 machine-$(CONFIG_ARCH_OMAP1) := omap1
Tony Lindgren1dbae812005-11-10 14:26:51 +0000120 machine-$(CONFIG_ARCH_OMAP2) := omap2
Russell Kingf44f82e2008-08-02 19:36:14 +0100121 plat-$(CONFIG_ARCH_OMAP) := omap
122 machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
123 plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
125 machine-$(CONFIG_ARCH_VERSATILE) := versatile
126 machine-$(CONFIG_ARCH_IMX) := imx
127 machine-$(CONFIG_ARCH_H720X) := h720x
Bellido Nicolas038c5b62005-06-20 18:51:05 +0100128 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
Catalin Marinas8ad68bb2005-10-31 14:25:02 +0000129 machine-$(CONFIG_ARCH_REALVIEW) := realview
David Brownell4afffe52007-02-19 21:28:53 -0800130 machine-$(CONFIG_ARCH_AT91) := at91
Uwe Kleine-König9918cda2007-02-16 15:36:55 +0100131 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
132 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
133 machine-$(CONFIG_ARCH_NETX) := netx
134 machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100135 machine-$(CONFIG_ARCH_DAVINCI) := davinci
Saeed Bishara651c74c2008-06-22 22:45:06 +0200136 machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100137 machine-$(CONFIG_ARCH_KS8695) := ks8695
Russell Kingf44f82e2008-08-02 19:36:14 +0100138 plat-$(CONFIG_ARCH_MXC) := mxc
Juergen Beisert1bd55a42008-07-05 10:03:02 +0200139 machine-$(CONFIG_ARCH_MX2) := mx2
Quinn Jensen52c543f2007-07-09 22:06:53 +0100140 machine-$(CONFIG_ARCH_MX3) := mx3
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400141 machine-$(CONFIG_ARCH_ORION5X) := orion5x
Russell Kingf44f82e2008-08-02 19:36:14 +0100142 plat-$(CONFIG_PLAT_ORION) := orion
Brian Swetland30421022007-11-26 04:11:43 -0800143 machine-$(CONFIG_ARCH_MSM7X00A) := msm
Lennert Buytenhek777f9be2008-06-22 22:45:02 +0200144 machine-$(CONFIG_ARCH_LOKI) := loki
Stanislav Samsonov794d15b2008-06-22 22:45:10 +0200145 machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146
147ifeq ($(CONFIG_ARCH_EBSA110),y)
148# This is what happens if you forget the IOCS16 line.
149# PCMCIA cards stop working.
150CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
151export CFLAGS_3c589_cs.o
152endif
153
Russell King9d4f13e2006-01-03 17:28:33 +0000154# The byte offset of the kernel image in RAM from the start of RAM.
155TEXT_OFFSET := $(textofs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156
Russell Kingf44f82e2008-08-02 19:36:14 +0100157# The first directory contains additional information for the boot setup code
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158ifneq ($(machine-y),)
Russell Kingf44f82e2008-08-02 19:36:14 +0100159MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160else
161MACHINE :=
162endif
Ben Dooksa21765a2007-02-11 18:31:01 +0100163
Russell Kingf44f82e2008-08-02 19:36:14 +0100164machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
165platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
166
167ifeq ($(KBUILD_SRC),)
168KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
169else
170KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
171endif
172
Hyok S. Choif8c07de2006-03-27 15:14:19 +0100173export TEXT_OFFSET GZFLAGS MMUEXT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174
175# Do we have FASTFPE?
176FASTFPE :=arch/arm/fastfpe
177ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
178FASTFPE_OBJ :=$(FASTFPE)/
179endif
180
181# If we have a machine-specific directory, then include it in the build.
182core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
Russell Kingf44f82e2008-08-02 19:36:14 +0100183core-y += $(machdirs) $(platdirs)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700184core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
185core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
186core-$(CONFIG_VFP) += arch/arm/vfp/
187
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189
Nicolas Pitre30c2f902005-11-04 17:17:30 +0000190libs-y := arch/arm/lib/ $(libs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191
192# Default target when executing plain make
193ifeq ($(CONFIG_XIP_KERNEL),y)
Russell King51342d72006-10-29 12:51:05 +0000194KBUILD_IMAGE := xipImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195else
Russell King51342d72006-10-29 12:51:05 +0000196KBUILD_IMAGE := zImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197endif
198
Russell King51342d72006-10-29 12:51:05 +0000199all: $(KBUILD_IMAGE)
200
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201boot := arch/arm/boot
202
203# Update machine arch and proc symlinks if something which affects
204# them changed. We use .arch to indicate when they were updated
205# last, otherwise make uses the target directory mtime.
206
Al Viro0b155692005-09-26 07:49:27 +0100207archprepare: maketools
Linus Torvalds1da177e2005-04-16 15:20:36 -0700208
Paul Smith4f193362006-03-05 17:14:10 -0500209PHONY += maketools FORCE
Russell Kinga09e64f2008-08-05 16:14:15 +0100210maketools: include/linux/version.h FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
212
213# Convert bzImage to zImage
214bzImage: zImage
215
216zImage Image xipImage bootpImage uImage: vmlinux
217 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
218
219zinstall install: vmlinux
220 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
221
Sam Ravnborge6ae7442005-09-09 21:08:59 +0200222CLEAN_FILES += include/asm-arm/mach-types.h \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223 include/asm-arm/arch include/asm-arm/.arch
224
225# We use MRPROPER_FILES and CLEAN_FILES now
226archclean:
227 $(Q)$(MAKE) $(clean)=$(boot)
228
229# My testing targets (bypasses dependencies)
230bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
231i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
232
Linus Torvalds1da177e2005-04-16 15:20:36 -0700233
234define archhelp
235 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
236 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
237 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
Uwe Kleine-Königa4f14ba2008-03-06 16:22:17 +0100238 echo ' uImage - U-Boot wrapped zImage'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239 echo ' bootpImage - Combined zImage and initial RAM disk'
240 echo ' (supply initrd image via make variable INITRD=<path>)'
241 echo ' install - Install uncompressed kernel'
242 echo ' zinstall - Install compressed kernel'
243 echo ' Install using (your) ~/bin/installkernel or'
244 echo ' (distribution) /sbin/installkernel or'
245 echo ' install to $$(INSTALL_PATH) and run lilo'
246endef