[ARM] nommu: manage the CP15 things
[deliverable/linux.git] / arch / arm / Makefile
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1da177e4
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1#
2# arch/arm/Makefile
3#
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PS
4# This file is included by the global makefile so that you can add your own
5# architecture-specific flags and dependencies.
6#
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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=$(TEXT_OFFSET)
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15OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
16GZFLAGS :=-9
17#CFLAGS +=-pipe
18
19# Do not use arch/arm/defconfig - it's always outdated.
20# Select a platform tht is kept up-to-date
21KBUILD_DEFCONFIG := versatile_defconfig
22
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HC
23# defines filename extension depending memory manement type.
24ifeq ($(CONFIG_MMU),)
25MMUEXT := -nommu
26endif
27
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28ifeq ($(CONFIG_FRAME_POINTER),y)
29CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
30endif
31
32ifeq ($(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)
4a5f79e7 49arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
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50arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
51arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
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52arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
53arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
54
55# This selects how we optimise for the processor.
56tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
57tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
58tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
59tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
60tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
61tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
62tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
63tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
64tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
65tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
23bdf86a 66tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
cd26f45b 67tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
1da177e4 68
704bdda0 69ifeq ($(CONFIG_AEABI),y)
c7fd8442 70CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
704bdda0 71else
c28a814f 72CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
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73endif
74
75# Need -Uarm for gcc < 3.x
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76CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
77AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
78
79CHECKFLAGS += -D__arm__
80
81#Default value
75d90832 82head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
9d4f13e5 83textofs-y := 0x00008000
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84
85 machine-$(CONFIG_ARCH_RPC) := rpc
86 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
87 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
88 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
89 machine-$(CONFIG_FOOTBRIDGE) := footbridge
90 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
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91 machine-$(CONFIG_ARCH_CO285) := footbridge
92 incdir-$(CONFIG_ARCH_CO285) := ebsa285
93 machine-$(CONFIG_ARCH_SHARK) := shark
94 machine-$(CONFIG_ARCH_SA1100) := sa1100
95ifeq ($(CONFIG_ARCH_SA1100),y)
96# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
9d4f13e5 97 textofs-$(CONFIG_SA1111) := 0x00208000
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98endif
99 machine-$(CONFIG_ARCH_PXA) := pxa
100 machine-$(CONFIG_ARCH_L7200) := l7200
101 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
9d4f13e5 102 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
1da177e4 103 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
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104 machine-$(CONFIG_ARCH_IOP32X) := iop32x
105 machine-$(CONFIG_ARCH_IOP33X) := iop33x
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106 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
107 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
c4713074 108 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
d48af15e 109 machine-$(CONFIG_ARCH_OMAP1) := omap1
1dbae815 110 machine-$(CONFIG_ARCH_OMAP2) := omap2
d48af15e 111 incdir-$(CONFIG_ARCH_OMAP) := omap
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112 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
113 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
114 machine-$(CONFIG_ARCH_VERSATILE) := versatile
115 machine-$(CONFIG_ARCH_IMX) := imx
116 machine-$(CONFIG_ARCH_H720X) := h720x
038c5b60 117 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
8ad68bbf 118 machine-$(CONFIG_ARCH_REALVIEW) := realview
8fc5ffa0 119 machine-$(CONFIG_ARCH_AT91) := at91rm9200
e7736d47 120 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
78818e47 121 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
bb6d8c88 122 machine-$(CONFIG_ARCH_NETX) := netx
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123
124ifeq ($(CONFIG_ARCH_EBSA110),y)
125# This is what happens if you forget the IOCS16 line.
126# PCMCIA cards stop working.
127CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
128export CFLAGS_3c589_cs.o
129endif
130
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131# The byte offset of the kernel image in RAM from the start of RAM.
132TEXT_OFFSET := $(textofs-y)
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133
134ifeq ($(incdir-y),)
135incdir-y := $(machine-y)
136endif
137INCDIR := arch-$(incdir-y)
37d07b72 138
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139ifneq ($(machine-y),)
140MACHINE := arch/arm/mach-$(machine-y)/
141else
142MACHINE :=
143endif
144
f8c07de6 145export TEXT_OFFSET GZFLAGS MMUEXT
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146
147# Do we have FASTFPE?
148FASTFPE :=arch/arm/fastfpe
149ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
150FASTFPE_OBJ :=$(FASTFPE)/
151endif
152
153# If we have a machine-specific directory, then include it in the build.
154core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
155core-y += $(MACHINE)
156core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
157core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
158core-$(CONFIG_VFP) += arch/arm/vfp/
159
d48af15e 160# If we have a common platform directory, then include it in the build.
7ae1f7ec 161core-$(CONFIG_PLAT_IOP) += arch/arm/plat-iop/
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162core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
163
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164drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
165drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
166drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
167
30c2f90b 168libs-y := arch/arm/lib/ $(libs-y)
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169
170# Default target when executing plain make
171ifeq ($(CONFIG_XIP_KERNEL),y)
172all: xipImage
173else
174all: zImage
175endif
176
177boot := arch/arm/boot
178
179# Update machine arch and proc symlinks if something which affects
180# them changed. We use .arch to indicate when they were updated
181# last, otherwise make uses the target directory mtime.
182
2e3646e5 183include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
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184 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
185ifneq ($(KBUILD_SRC),)
186 $(Q)mkdir -p include/asm-arm
187 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
188else
189 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
190endif
191 @touch $@
192
0b155694 193archprepare: maketools
1da177e4 194
4f193362 195PHONY += maketools FORCE
0b155694 196maketools: include/linux/version.h include/asm-arm/.arch FORCE
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197 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
198
199# Convert bzImage to zImage
200bzImage: zImage
201
202zImage Image xipImage bootpImage uImage: vmlinux
203 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
204
205zinstall install: vmlinux
206 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
207
e6ae744d 208CLEAN_FILES += include/asm-arm/mach-types.h \
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209 include/asm-arm/arch include/asm-arm/.arch
210
211# We use MRPROPER_FILES and CLEAN_FILES now
212archclean:
213 $(Q)$(MAKE) $(clean)=$(boot)
214
215# My testing targets (bypasses dependencies)
216bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
217i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
218
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219
220define archhelp
221 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
222 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
223 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
224 echo ' bootpImage - Combined zImage and initial RAM disk'
225 echo ' (supply initrd image via make variable INITRD=<path>)'
226 echo ' install - Install uncompressed kernel'
227 echo ' zinstall - Install compressed kernel'
228 echo ' Install using (your) ~/bin/installkernel or'
229 echo ' (distribution) /sbin/installkernel or'
230 echo ' install to $$(INSTALL_PATH) and run lilo'
231endef
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