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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19# Do not use arch/arm/defconfig - it's always outdated.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)
Lennert Buytenhek260e98e2006-08-28 12:51:20 +010050arch-$(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
Linus Torvalds1da177e2005-04-16 15:20:36 -070052arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
53arch-$(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) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
Lennert Buytenhek23bdf862006-03-28 21:00:40 +010066tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
George G. Daviscd26f452005-10-12 19:58:09 +010067tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
Linus Torvalds1da177e2005-04-16 15:20:36 -070068
Nicolas Pitre704bdda2006-01-14 16:33:50 +000069ifeq ($(CONFIG_AEABI),y)
Richard Purdiec7fd8442006-04-25 20:36:04 +010070CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
Nicolas Pitre704bdda2006-01-14 16:33:50 +000071else
Catalin Marinasc28a8142005-06-30 17:04:14 +010072CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
Nicolas Pitre704bdda2006-01-14 16:33:50 +000073endif
74
75# Need -Uarm for gcc < 3.x
Linus Torvalds1da177e2005-04-16 15:20:36 -070076CFLAGS +=$(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) $(tune-y) -msoft-float
78
79CHECKFLAGS += -D__arm__
80
81#Default value
Hyok S. Choi75d90832006-03-27 14:58:25 +010082head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
Russell King9d4f13e2006-01-03 17:28:33 +000083textofs-y := 0x00008000
Linus Torvalds1da177e2005-04-16 15:20:36 -070084
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070091 machine-$(CONFIG_ARCH_CO285) := footbridge
92 incdir-$(CONFIG_ARCH_CO285) := ebsa285
93 machine-$(CONFIG_ARCH_SHARK) := shark
94 machine-$(CONFIG_ARCH_SA1100) := sa1100
95ifeq ($(CONFIG_ARCH_SA1100),y)
96# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
Russell King9d4f13e2006-01-03 17:28:33 +000097 textofs-$(CONFIG_SA1111) := 0x00208000
Linus Torvalds1da177e2005-04-16 15:20:36 -070098endif
99 machine-$(CONFIG_ARCH_PXA) := pxa
100 machine-$(CONFIG_ARCH_L7200) := l7200
101 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
Russell King9d4f13e2006-01-03 17:28:33 +0000102 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
105 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
106 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100107 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
Tony Lindgrend48af152005-07-10 19:58:17 +0100108 machine-$(CONFIG_ARCH_OMAP1) := omap1
Tony Lindgren1dbae812005-11-10 14:26:51 +0000109 machine-$(CONFIG_ARCH_OMAP2) := omap2
Tony Lindgrend48af152005-07-10 19:58:17 +0100110 incdir-$(CONFIG_ARCH_OMAP) := omap
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
112 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
113 machine-$(CONFIG_ARCH_VERSATILE) := versatile
114 machine-$(CONFIG_ARCH_IMX) := imx
115 machine-$(CONFIG_ARCH_H720X) := h720x
Bellido Nicolas038c5b62005-06-20 18:51:05 +0100116 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
Catalin Marinas8ad68bb2005-10-31 14:25:02 +0000117 machine-$(CONFIG_ARCH_REALVIEW) := realview
Andrew Victor8fc5ffa2006-06-29 16:06:33 +0100118 machine-$(CONFIG_ARCH_AT91) := at91rm9200
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000119 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
Vitaly Wool78818e42006-05-16 11:54:37 +0100120 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
Sascha Hauerbb6d8c82006-06-19 15:27:53 +0100121 machine-$(CONFIG_ARCH_NETX) := netx
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122
123ifeq ($(CONFIG_ARCH_EBSA110),y)
124# This is what happens if you forget the IOCS16 line.
125# PCMCIA cards stop working.
126CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
127export CFLAGS_3c589_cs.o
128endif
129
Russell King9d4f13e2006-01-03 17:28:33 +0000130# The byte offset of the kernel image in RAM from the start of RAM.
131TEXT_OFFSET := $(textofs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700132
133ifeq ($(incdir-y),)
134incdir-y := $(machine-y)
135endif
136INCDIR := arch-$(incdir-y)
Nicolas Pitre37d07b72005-10-29 21:44:56 +0100137
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138ifneq ($(machine-y),)
139MACHINE := arch/arm/mach-$(machine-y)/
140else
141MACHINE :=
142endif
143
Hyok S. Choif8c07de2006-03-27 15:14:19 +0100144export TEXT_OFFSET GZFLAGS MMUEXT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145
146# Do we have FASTFPE?
147FASTFPE :=arch/arm/fastfpe
148ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
149FASTFPE_OBJ :=$(FASTFPE)/
150endif
151
152# If we have a machine-specific directory, then include it in the build.
153core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
154core-y += $(MACHINE)
155core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
156core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
157core-$(CONFIG_VFP) += arch/arm/vfp/
158
Tony Lindgrend48af152005-07-10 19:58:17 +0100159# If we have a common platform directory, then include it in the build.
160core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
161
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
163drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
164drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
165
Nicolas Pitre30c2f902005-11-04 17:17:30 +0000166libs-y := arch/arm/lib/ $(libs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167
168# Default target when executing plain make
169ifeq ($(CONFIG_XIP_KERNEL),y)
170all: xipImage
171else
172all: zImage
173endif
174
175boot := arch/arm/boot
176
177# Update machine arch and proc symlinks if something which affects
178# them changed. We use .arch to indicate when they were updated
179# last, otherwise make uses the target directory mtime.
180
Roman Zippel2e3646e2006-06-08 22:12:42 -0700181include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
183ifneq ($(KBUILD_SRC),)
184 $(Q)mkdir -p include/asm-arm
185 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
186else
187 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
188endif
189 @touch $@
190
Al Viro0b155692005-09-26 07:49:27 +0100191archprepare: maketools
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192
Paul Smith4f193362006-03-05 17:14:10 -0500193PHONY += maketools FORCE
Al Viro0b155692005-09-26 07:49:27 +0100194maketools: include/linux/version.h include/asm-arm/.arch FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
196
197# Convert bzImage to zImage
198bzImage: zImage
199
200zImage Image xipImage bootpImage uImage: vmlinux
201 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
202
203zinstall install: vmlinux
204 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
205
Sam Ravnborge6ae7442005-09-09 21:08:59 +0200206CLEAN_FILES += include/asm-arm/mach-types.h \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207 include/asm-arm/arch include/asm-arm/.arch
208
209# We use MRPROPER_FILES and CLEAN_FILES now
210archclean:
211 $(Q)$(MAKE) $(clean)=$(boot)
212
213# My testing targets (bypasses dependencies)
214bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
215i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
216
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217
218define archhelp
219 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
220 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
221 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
222 echo ' bootpImage - Combined zImage and initial RAM disk'
223 echo ' (supply initrd image via make variable INITRD=<path>)'
224 echo ' install - Install uncompressed kernel'
225 echo ' zinstall - Install compressed kernel'
226 echo ' Install using (your) ~/bin/installkernel or'
227 echo ' (distribution) /sbin/installkernel or'
228 echo ' install to $$(INSTALL_PATH) and run lilo'
229endef