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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
9d4f13e5 14CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
1e621a8e 15OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
1da177e4 16GZFLAGS :=-9
a0f97e06 17#KBUILD_CFLAGS +=-pipe
5636810d 18# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
a0f97e06 19KBUILD_CFLAGS +=$(call cc-option,-marm,)
1da177e4
LT
20
21# Do not use arch/arm/defconfig - it's always outdated.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
f8c07de6
HC
25# defines filename extension depending memory manement type.
26ifeq ($(CONFIG_MMU),)
27MMUEXT := -nommu
28endif
29
1da177e4 30ifeq ($(CONFIG_FRAME_POINTER),y)
a0f97e06 31KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
1da177e4
LT
32endif
33
34ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
06c5040c 35KBUILD_CPPFLAGS += -mbig-endian
1da177e4
LT
36AS += -EB
37LD += -EB
38else
06c5040c 39KBUILD_CPPFLAGS += -mlittle-endian
1da177e4
LT
40AS += -EL
41LD += -EL
42endif
43
44comma = ,
45
46# This selects which instruction set is used.
47# Note that GCC does not numerically define an architecture version
48# macro, but instead defines a whole series of macros which makes
49# testing for a specific architecture or later rather impossible.
76ebc6a4 50arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
1da177e4 51arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
23688e99
CM
52# Only override the compiler option if ARMv6. The ARMv6K extensions are
53# always available in ARMv7
54ifeq ($(CONFIG_CPU_32v6),y)
4a5f79e7 55arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
23688e99 56endif
260e98ed
LB
57arch-$(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
1da177e4
LT
59arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
60arch-$(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
07e0da78 65tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
1da177e4 66tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
b731c311 67tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
43f5f014 68tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
d60674eb 69tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
e6bb83fd 70tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
1da177e4
LT
71tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
72tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
73tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
74tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
28853ac8 75tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi
1da177e4
LT
76tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
77tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
78tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
23bdf86a 79tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
b71b9eff 80tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale)
cd26f45b 81tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
1da177e4 82
704bdda0 83ifeq ($(CONFIG_AEABI),y)
c7fd8442 84CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
704bdda0 85else
c28a814f 86CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
704bdda0
NP
87endif
88
adf8b37b
CM
89ifeq ($(CONFIG_ARM_UNWIND),y)
90CFLAGS_ABI +=-funwind-tables
91endif
92
704bdda0 93# Need -Uarm for gcc < 3.x
a0f97e06 94KBUILD_CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
222d394d 95KBUILD_AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
1da177e4
LT
96
97CHECKFLAGS += -D__arm__
98
99#Default value
75d90832 100head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
9d4f13e5 101textofs-y := 0x00008000
b4175b89 102textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
1da177e4 103# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
b4175b89
RK
104ifeq ($(CONFIG_ARCH_SA1100),y)
105textofs-$(CONFIG_SA1111) := 0x00208000
1da177e4 106endif
b4175b89
RK
107
108# Machine directory name. This list is sorted alphanumerically
109# by CONFIG_* macro name.
110machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
111machine-$(CONFIG_ARCH_AT91) := at91
112machine-$(CONFIG_ARCH_CLPS711X) := clps711x
113machine-$(CONFIG_ARCH_DAVINCI) := davinci
114machine-$(CONFIG_ARCH_EBSA110) := ebsa110
115machine-$(CONFIG_ARCH_EP93XX) := ep93xx
116machine-$(CONFIG_ARCH_GEMINI) := gemini
117machine-$(CONFIG_ARCH_H720X) := h720x
118machine-$(CONFIG_ARCH_IMX) := imx
119machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
120machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
121machine-$(CONFIG_ARCH_IOP32X) := iop32x
122machine-$(CONFIG_ARCH_IOP33X) := iop33x
123machine-$(CONFIG_ARCH_IXP2000) := ixp2000
124machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
125machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
126machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
127machine-$(CONFIG_ARCH_KS8695) := ks8695
128machine-$(CONFIG_ARCH_L7200) := l7200
129machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
130machine-$(CONFIG_ARCH_LOKI) := loki
131machine-$(CONFIG_ARCH_MMP) := mmp
132machine-$(CONFIG_ARCH_MSM) := msm
133machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
134machine-$(CONFIG_ARCH_MX1) := mx1
135machine-$(CONFIG_ARCH_MX2) := mx2
136machine-$(CONFIG_ARCH_MX3) := mx3
137machine-$(CONFIG_ARCH_NETX) := netx
138machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
139machine-$(CONFIG_ARCH_OMAP1) := omap1
140machine-$(CONFIG_ARCH_OMAP2) := omap2
141machine-$(CONFIG_ARCH_OMAP3) := omap2
142machine-$(CONFIG_ARCH_ORION5X) := orion5x
143machine-$(CONFIG_ARCH_PNX4008) := pnx4008
144machine-$(CONFIG_ARCH_PXA) := pxa
145machine-$(CONFIG_ARCH_REALVIEW) := realview
146machine-$(CONFIG_ARCH_RPC) := rpc
147machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
148machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0
149machine-$(CONFIG_ARCH_S3C64XX) := s3c6400 s3c6410
150machine-$(CONFIG_ARCH_SA1100) := sa1100
151machine-$(CONFIG_ARCH_SHARK) := shark
152machine-$(CONFIG_ARCH_VERSATILE) := versatile
153machine-$(CONFIG_ARCH_W90X900) := w90x900
154machine-$(CONFIG_FOOTBRIDGE) := footbridge
155
156# Platform directory name. This list is sorted alphanumerically
157# by CONFIG_* macro name.
158plat-$(CONFIG_ARCH_MXC) := mxc
159plat-$(CONFIG_ARCH_OMAP) := omap
160plat-$(CONFIG_PLAT_IOP) := iop
161plat-$(CONFIG_PLAT_ORION) := orion
162plat-$(CONFIG_PLAT_PXA) := pxa
163plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx s3c
164plat-$(CONFIG_PLAT_S3C64XX) := s3c64xx s3c
1da177e4
LT
165
166ifeq ($(CONFIG_ARCH_EBSA110),y)
167# This is what happens if you forget the IOCS16 line.
168# PCMCIA cards stop working.
169CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
170export CFLAGS_3c589_cs.o
171endif
172
9d4f13e5
RK
173# The byte offset of the kernel image in RAM from the start of RAM.
174TEXT_OFFSET := $(textofs-y)
1da177e4 175
f44f82e8 176# The first directory contains additional information for the boot setup code
1da177e4 177ifneq ($(machine-y),)
f44f82e8 178MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
1da177e4
LT
179else
180MACHINE :=
181endif
a21765a7 182
f44f82e8
RK
183machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
184platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
185
186ifeq ($(KBUILD_SRC),)
187KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
188else
189KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
190endif
191
f8c07de6 192export TEXT_OFFSET GZFLAGS MMUEXT
1da177e4
LT
193
194# Do we have FASTFPE?
195FASTFPE :=arch/arm/fastfpe
196ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
197FASTFPE_OBJ :=$(FASTFPE)/
198endif
199
200# If we have a machine-specific directory, then include it in the build.
201core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
f44f82e8 202core-y += $(machdirs) $(platdirs)
1da177e4
LT
203core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
204core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
205core-$(CONFIG_VFP) += arch/arm/vfp/
206
207drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
1da177e4 208
30c2f90b 209libs-y := arch/arm/lib/ $(libs-y)
1da177e4
LT
210
211# Default target when executing plain make
212ifeq ($(CONFIG_XIP_KERNEL),y)
51342d71 213KBUILD_IMAGE := xipImage
1da177e4 214else
51342d71 215KBUILD_IMAGE := zImage
1da177e4
LT
216endif
217
51342d71
RK
218all: $(KBUILD_IMAGE)
219
1da177e4
LT
220boot := arch/arm/boot
221
222# Update machine arch and proc symlinks if something which affects
223# them changed. We use .arch to indicate when they were updated
224# last, otherwise make uses the target directory mtime.
225
0b155694 226archprepare: maketools
1da177e4 227
4f193362 228PHONY += maketools FORCE
a09e64fb 229maketools: include/linux/version.h FORCE
1da177e4
LT
230 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
231
232# Convert bzImage to zImage
233bzImage: zImage
234
235zImage Image xipImage bootpImage uImage: vmlinux
236 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
237
238zinstall install: vmlinux
239 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
240
e6ae744d 241CLEAN_FILES += include/asm-arm/mach-types.h \
1da177e4
LT
242 include/asm-arm/arch include/asm-arm/.arch
243
244# We use MRPROPER_FILES and CLEAN_FILES now
245archclean:
246 $(Q)$(MAKE) $(clean)=$(boot)
247
248# My testing targets (bypasses dependencies)
249bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
250i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
251
1da177e4
LT
252
253define archhelp
254 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
255 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
256 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
a4f14bac 257 echo ' uImage - U-Boot wrapped zImage'
1da177e4
LT
258 echo ' bootpImage - Combined zImage and initial RAM disk'
259 echo ' (supply initrd image via make variable INITRD=<path>)'
260 echo ' install - Install uncompressed kernel'
261 echo ' zinstall - Install compressed kernel'
262 echo ' Install using (your) ~/bin/installkernel or'
263 echo ' (distribution) /sbin/installkernel or'
264 echo ' install to $$(INSTALL_PATH) and run lilo'
265endef