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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=$(TEXT_OFFSET)
Linus Torvalds1da177e2005-04-16 15:20:36 -070015OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
16GZFLAGS :=-9
17#CFLAGS +=-pipe
18
19# Do not use arch/arm/defconfig - it's always outdated.
20# Select a platform tht is kept up-to-date
21KBUILD_DEFCONFIG := versatile_defconfig
22
Hyok S. Choif8c07de2006-03-27 15:14:19 +010023# defines filename extension depending memory manement type.
24ifeq ($(CONFIG_MMU),)
25MMUEXT := -nommu
26endif
27
Linus Torvalds1da177e2005-04-16 15:20:36 -070028ifeq ($(CONFIG_FRAME_POINTER),y)
29CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
30endif
31
32ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
33CPPFLAGS += -mbig-endian
34AS += -EB
35LD += -EB
36else
37CPPFLAGS += -mlittle-endian
38AS += -EL
39LD += -EL
40endif
41
42comma = ,
43
44# This selects which instruction set is used.
45# Note that GCC does not numerically define an architecture version
46# macro, but instead defines a whole series of macros which makes
47# testing for a specific architecture or later rather impossible.
48arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
Russell King4a5f79e2005-11-03 15:48:21 +000049arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
Linus Torvalds1da177e2005-04-16 15:20:36 -070050arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
51arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
52arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
53
54# This selects how we optimise for the processor.
55tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
56tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
57tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
58tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
59tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
60tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
61tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
62tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
63tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
64tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
Lennert Buytenhek23bdf862006-03-28 21:00:40 +010065tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
George G. Daviscd26f452005-10-12 19:58:09 +010066tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
Linus Torvalds1da177e2005-04-16 15:20:36 -070067
Nicolas Pitre704bdda02006-01-14 16:33:50 +000068ifeq ($(CONFIG_AEABI),y)
69CFLAGS_ABI :=-mabi=aapcs -mno-thumb-interwork
70else
Catalin Marinasc28a8142005-06-30 17:04:14 +010071CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
Nicolas Pitre704bdda02006-01-14 16:33:50 +000072endif
73
74# Need -Uarm for gcc < 3.x
Linus Torvalds1da177e2005-04-16 15:20:36 -070075CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
76AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
77
78CHECKFLAGS += -D__arm__
79
80#Default value
Hyok S. Choi75d90832006-03-27 14:58:25 +010081head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
Russell King9d4f13e2006-01-03 17:28:33 +000082textofs-y := 0x00008000
Linus Torvalds1da177e2005-04-16 15:20:36 -070083
84 machine-$(CONFIG_ARCH_RPC) := rpc
85 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
86 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
87 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
88 machine-$(CONFIG_FOOTBRIDGE) := footbridge
89 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
Linus Torvalds1da177e2005-04-16 15:20:36 -070090 machine-$(CONFIG_ARCH_CO285) := footbridge
91 incdir-$(CONFIG_ARCH_CO285) := ebsa285
92 machine-$(CONFIG_ARCH_SHARK) := shark
93 machine-$(CONFIG_ARCH_SA1100) := sa1100
94ifeq ($(CONFIG_ARCH_SA1100),y)
95# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
Russell King9d4f13e2006-01-03 17:28:33 +000096 textofs-$(CONFIG_SA1111) := 0x00208000
Linus Torvalds1da177e2005-04-16 15:20:36 -070097endif
98 machine-$(CONFIG_ARCH_PXA) := pxa
99 machine-$(CONFIG_ARCH_L7200) := l7200
100 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
Russell King9d4f13e2006-01-03 17:28:33 +0000101 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
104 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
105 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100106 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
Tony Lindgrend48af152005-07-10 19:58:17 +0100107 machine-$(CONFIG_ARCH_OMAP1) := omap1
Tony Lindgren1dbae812005-11-10 14:26:51 +0000108 machine-$(CONFIG_ARCH_OMAP2) := omap2
Tony Lindgrend48af152005-07-10 19:58:17 +0100109 incdir-$(CONFIG_ARCH_OMAP) := omap
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
111 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
112 machine-$(CONFIG_ARCH_VERSATILE) := versatile
113 machine-$(CONFIG_ARCH_IMX) := imx
114 machine-$(CONFIG_ARCH_H720X) := h720x
Bellido Nicolas038c5b62005-06-20 18:51:05 +0100115 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
Catalin Marinas8ad68bb2005-10-31 14:25:02 +0000116 machine-$(CONFIG_ARCH_REALVIEW) := realview
SAN People73a59c12006-01-09 17:05:41 +0000117 machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000118 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119
120ifeq ($(CONFIG_ARCH_EBSA110),y)
121# This is what happens if you forget the IOCS16 line.
122# PCMCIA cards stop working.
123CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
124export CFLAGS_3c589_cs.o
125endif
126
Russell King9d4f13e2006-01-03 17:28:33 +0000127# The byte offset of the kernel image in RAM from the start of RAM.
128TEXT_OFFSET := $(textofs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129
130ifeq ($(incdir-y),)
131incdir-y := $(machine-y)
132endif
133INCDIR := arch-$(incdir-y)
Nicolas Pitre37d07b72005-10-29 21:44:56 +0100134
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135ifneq ($(machine-y),)
136MACHINE := arch/arm/mach-$(machine-y)/
137else
138MACHINE :=
139endif
140
Hyok S. Choif8c07de2006-03-27 15:14:19 +0100141export TEXT_OFFSET GZFLAGS MMUEXT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142
143# Do we have FASTFPE?
144FASTFPE :=arch/arm/fastfpe
145ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
146FASTFPE_OBJ :=$(FASTFPE)/
147endif
148
149# If we have a machine-specific directory, then include it in the build.
150core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
151core-y += $(MACHINE)
152core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
153core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
154core-$(CONFIG_VFP) += arch/arm/vfp/
155
Tony Lindgrend48af152005-07-10 19:58:17 +0100156# If we have a common platform directory, then include it in the build.
157core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
158
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
160drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
161drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
162
Nicolas Pitre30c2f902005-11-04 17:17:30 +0000163libs-y := arch/arm/lib/ $(libs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164
165# Default target when executing plain make
166ifeq ($(CONFIG_XIP_KERNEL),y)
167all: xipImage
168else
169all: zImage
170endif
171
172boot := arch/arm/boot
173
174# Update machine arch and proc symlinks if something which affects
175# them changed. We use .arch to indicate when they were updated
176# last, otherwise make uses the target directory mtime.
177
178include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
179 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
180ifneq ($(KBUILD_SRC),)
181 $(Q)mkdir -p include/asm-arm
182 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
183else
184 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
185endif
186 @touch $@
187
Al Viro0b155692005-09-26 07:49:27 +0100188archprepare: maketools
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189
Paul Smith4f193362006-03-05 17:14:10 -0500190PHONY += maketools FORCE
Al Viro0b155692005-09-26 07:49:27 +0100191maketools: include/linux/version.h include/asm-arm/.arch FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
193
194# Convert bzImage to zImage
195bzImage: zImage
196
197zImage Image xipImage bootpImage uImage: vmlinux
198 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
199
200zinstall install: vmlinux
201 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
202
Sam Ravnborge6ae7442005-09-09 21:08:59 +0200203CLEAN_FILES += include/asm-arm/mach-types.h \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700204 include/asm-arm/arch include/asm-arm/.arch
205
206# We use MRPROPER_FILES and CLEAN_FILES now
207archclean:
208 $(Q)$(MAKE) $(clean)=$(boot)
209
210# My testing targets (bypasses dependencies)
211bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
212i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
213
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214
215define archhelp
216 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
217 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
218 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
219 echo ' bootpImage - Combined zImage and initial RAM disk'
220 echo ' (supply initrd image via make variable INITRD=<path>)'
221 echo ' install - Install uncompressed kernel'
222 echo ' zinstall - Install compressed kernel'
223 echo ' Install using (your) ~/bin/installkernel or'
224 echo ' (distribution) /sbin/installkernel or'
225 echo ' install to $$(INSTALL_PATH) and run lilo'
226endef