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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# arch/arm/Makefile
3#
4# This file is subject to the terms and conditions of the GNU General Public
5# License. See the file "COPYING" in the main directory of this archive
6# for more details.
7#
8# Copyright (C) 1995-2001 by Russell King
9
10LDFLAGS_vmlinux :=-p --no-undefined -X
Russell King9d4f13e2006-01-03 17:28:33 +000011CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
Linus Torvalds1da177e2005-04-16 15:20:36 -070012OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
13GZFLAGS :=-9
14#CFLAGS +=-pipe
15
16# Do not use arch/arm/defconfig - it's always outdated.
17# Select a platform tht is kept up-to-date
18KBUILD_DEFCONFIG := versatile_defconfig
19
20ifeq ($(CONFIG_FRAME_POINTER),y)
21CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
22endif
23
24ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
25CPPFLAGS += -mbig-endian
26AS += -EB
27LD += -EB
28else
29CPPFLAGS += -mlittle-endian
30AS += -EL
31LD += -EL
32endif
33
34comma = ,
35
36# This selects which instruction set is used.
37# Note that GCC does not numerically define an architecture version
38# macro, but instead defines a whole series of macros which makes
39# testing for a specific architecture or later rather impossible.
40arch-$(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 +000041arch-$(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 -070042arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
43arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
44arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
45
46# This selects how we optimise for the processor.
47tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
48tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
49tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
50tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
51tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
52tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
53tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
54tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
55tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
56tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
George G. Daviscd26f452005-10-12 19:58:09 +010057tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
Nicolas Pitre704bdda2006-01-14 16:33:50 +000059ifeq ($(CONFIG_AEABI),y)
60CFLAGS_ABI :=-mabi=aapcs -mno-thumb-interwork
61else
Catalin Marinasc28a8142005-06-30 17:04:14 +010062CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
Nicolas Pitre704bdda2006-01-14 16:33:50 +000063endif
64
65# Need -Uarm for gcc < 3.x
Linus Torvalds1da177e2005-04-16 15:20:36 -070066CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
67AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
68
69CHECKFLAGS += -D__arm__
70
71#Default value
72head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
Russell King9d4f13e2006-01-03 17:28:33 +000073textofs-y := 0x00008000
Linus Torvalds1da177e2005-04-16 15:20:36 -070074
75 machine-$(CONFIG_ARCH_RPC) := rpc
76 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
77 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
78 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
79 machine-$(CONFIG_FOOTBRIDGE) := footbridge
80 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
Linus Torvalds1da177e2005-04-16 15:20:36 -070081 machine-$(CONFIG_ARCH_CO285) := footbridge
82 incdir-$(CONFIG_ARCH_CO285) := ebsa285
83 machine-$(CONFIG_ARCH_SHARK) := shark
84 machine-$(CONFIG_ARCH_SA1100) := sa1100
85ifeq ($(CONFIG_ARCH_SA1100),y)
86# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
Russell King9d4f13e2006-01-03 17:28:33 +000087 textofs-$(CONFIG_SA1111) := 0x00208000
Linus Torvalds1da177e2005-04-16 15:20:36 -070088endif
89 machine-$(CONFIG_ARCH_PXA) := pxa
90 machine-$(CONFIG_ARCH_L7200) := l7200
91 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
Russell King9d4f13e2006-01-03 17:28:33 +000092 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
Linus Torvalds1da177e2005-04-16 15:20:36 -070093 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
Linus Torvalds1da177e2005-04-16 15:20:36 -070094 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
95 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
96 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
Tony Lindgrend48af152005-07-10 19:58:17 +010097 machine-$(CONFIG_ARCH_OMAP1) := omap1
Tony Lindgren1dbae812005-11-10 14:26:51 +000098 machine-$(CONFIG_ARCH_OMAP2) := omap2
Tony Lindgrend48af152005-07-10 19:58:17 +010099 incdir-$(CONFIG_ARCH_OMAP) := omap
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
101 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
102 machine-$(CONFIG_ARCH_VERSATILE) := versatile
103 machine-$(CONFIG_ARCH_IMX) := imx
104 machine-$(CONFIG_ARCH_H720X) := h720x
Bellido Nicolas038c5b62005-06-20 18:51:05 +0100105 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
Catalin Marinas8ad68bb2005-10-31 14:25:02 +0000106 machine-$(CONFIG_ARCH_REALVIEW) := realview
SAN People73a59c12006-01-09 17:05:41 +0000107 machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108
109ifeq ($(CONFIG_ARCH_EBSA110),y)
110# This is what happens if you forget the IOCS16 line.
111# PCMCIA cards stop working.
112CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
113export CFLAGS_3c589_cs.o
114endif
115
Russell King9d4f13e2006-01-03 17:28:33 +0000116# The byte offset of the kernel image in RAM from the start of RAM.
117TEXT_OFFSET := $(textofs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118
119ifeq ($(incdir-y),)
120incdir-y := $(machine-y)
121endif
122INCDIR := arch-$(incdir-y)
Nicolas Pitre37d07b72005-10-29 21:44:56 +0100123
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124ifneq ($(machine-y),)
125MACHINE := arch/arm/mach-$(machine-y)/
126else
127MACHINE :=
128endif
129
Russell King9d4f13e2006-01-03 17:28:33 +0000130export TEXT_OFFSET GZFLAGS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131
132# Do we have FASTFPE?
133FASTFPE :=arch/arm/fastfpe
134ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
135FASTFPE_OBJ :=$(FASTFPE)/
136endif
137
138# If we have a machine-specific directory, then include it in the build.
139core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
140core-y += $(MACHINE)
141core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
142core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
143core-$(CONFIG_VFP) += arch/arm/vfp/
144
Tony Lindgrend48af152005-07-10 19:58:17 +0100145# If we have a common platform directory, then include it in the build.
146core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
147
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
149drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
150drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
151
Nicolas Pitre30c2f902005-11-04 17:17:30 +0000152libs-y := arch/arm/lib/ $(libs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153
154# Default target when executing plain make
155ifeq ($(CONFIG_XIP_KERNEL),y)
156all: xipImage
157else
158all: zImage
159endif
160
161boot := arch/arm/boot
162
163# Update machine arch and proc symlinks if something which affects
164# them changed. We use .arch to indicate when they were updated
165# last, otherwise make uses the target directory mtime.
166
167include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
168 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
169ifneq ($(KBUILD_SRC),)
170 $(Q)mkdir -p include/asm-arm
171 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
172else
173 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
174endif
175 @touch $@
176
Al Viro0b155692005-09-26 07:49:27 +0100177archprepare: maketools
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178
179.PHONY: maketools FORCE
Al Viro0b155692005-09-26 07:49:27 +0100180maketools: include/linux/version.h include/asm-arm/.arch FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700181 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
182
183# Convert bzImage to zImage
184bzImage: zImage
185
186zImage Image xipImage bootpImage uImage: vmlinux
187 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
188
189zinstall install: vmlinux
190 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
191
Sam Ravnborge6ae7442005-09-09 21:08:59 +0200192CLEAN_FILES += include/asm-arm/mach-types.h \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193 include/asm-arm/arch include/asm-arm/.arch
194
195# We use MRPROPER_FILES and CLEAN_FILES now
196archclean:
197 $(Q)$(MAKE) $(clean)=$(boot)
198
199# My testing targets (bypasses dependencies)
200bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
201i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
202
Linus Torvalds1da177e2005-04-16 15:20:36 -0700203
204define archhelp
205 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
206 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
207 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
208 echo ' bootpImage - Combined zImage and initial RAM disk'
209 echo ' (supply initrd image via make variable INITRD=<path>)'
210 echo ' install - Install uncompressed kernel'
211 echo ' zinstall - Install compressed kernel'
212 echo ' Install using (your) ~/bin/installkernel or'
213 echo ' (distribution) /sbin/installkernel or'
214 echo ' install to $$(INSTALL_PATH) and run lilo'
215endef