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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=$(TEXT_OFFSET)
Linus Torvalds1da177e2005-04-16 15:20:36 -070015OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
16GZFLAGS :=-9
17#CFLAGS +=-pipe
George G. Davis56368102006-12-05 18:28:04 +010018# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
19CFLAGS +=$(call cc-option,-marm,)
Linus Torvalds1da177e2005-04-16 15:20:36 -070020
21# Do not use arch/arm/defconfig - it's always outdated.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
Hyok S. Choif8c07de2006-03-27 15:14:19 +010025# defines filename extension depending memory manement type.
26ifeq ($(CONFIG_MMU),)
27MMUEXT := -nommu
28endif
29
Linus Torvalds1da177e2005-04-16 15:20:36 -070030ifeq ($(CONFIG_FRAME_POINTER),y)
31CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
32endif
33
34ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
35CPPFLAGS += -mbig-endian
36AS += -EB
37LD += -EB
38else
39CPPFLAGS += -mlittle-endian
40AS += -EL
41LD += -EL
42endif
43
44comma = ,
45
46# This selects which instruction set is used.
47# Note that GCC does not numerically define an architecture version
48# macro, but instead defines a whole series of macros which makes
49# testing for a specific architecture or later rather impossible.
50arch-$(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 +000051arch-$(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 +010052arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
53arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
Linus Torvalds1da177e2005-04-16 15:20:36 -070054arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
55arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
56
57# This selects how we optimise for the processor.
58tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
59tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
Hyok S. Choi07e0da72006-09-26 17:37:36 +090060tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
Linus Torvalds1da177e2005-04-16 15:20:36 -070061tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
Hyok S. Choib731c312006-09-26 17:37:50 +090062tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
Hyok S. Choi43f5f012006-09-26 17:38:05 +090063tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
Hyok S. Choid60674e2006-09-26 17:38:18 +090064tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
Hyok S. Choif37f46e2006-09-26 17:38:32 +090065tune-$(CONFIG_CPU_ARM946T) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
Linus Torvalds1da177e2005-04-16 15:20:36 -070066tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
67tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
68tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
69tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
70tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
71tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
72tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
Lennert Buytenhek23bdf862006-03-28 21:00:40 +010073tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
George G. Daviscd26f452005-10-12 19:58:09 +010074tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
Linus Torvalds1da177e2005-04-16 15:20:36 -070075
Nicolas Pitre704bdda2006-01-14 16:33:50 +000076ifeq ($(CONFIG_AEABI),y)
Richard Purdiec7fd8442006-04-25 20:36:04 +010077CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
Nicolas Pitre704bdda2006-01-14 16:33:50 +000078else
Catalin Marinasc28a8142005-06-30 17:04:14 +010079CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
Nicolas Pitre704bdda2006-01-14 16:33:50 +000080endif
81
82# Need -Uarm for gcc < 3.x
Linus Torvalds1da177e2005-04-16 15:20:36 -070083CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
84AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
85
86CHECKFLAGS += -D__arm__
87
88#Default value
Hyok S. Choi75d90832006-03-27 14:58:25 +010089head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
Russell King9d4f13e2006-01-03 17:28:33 +000090textofs-y := 0x00008000
Linus Torvalds1da177e2005-04-16 15:20:36 -070091
92 machine-$(CONFIG_ARCH_RPC) := rpc
93 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
94 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
95 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
96 machine-$(CONFIG_FOOTBRIDGE) := footbridge
97 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
Linus Torvalds1da177e2005-04-16 15:20:36 -070098 machine-$(CONFIG_ARCH_CO285) := footbridge
99 incdir-$(CONFIG_ARCH_CO285) := ebsa285
100 machine-$(CONFIG_ARCH_SHARK) := shark
101 machine-$(CONFIG_ARCH_SA1100) := sa1100
102ifeq ($(CONFIG_ARCH_SA1100),y)
103# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
Russell King9d4f13e2006-01-03 17:28:33 +0000104 textofs-$(CONFIG_SA1111) := 0x00208000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105endif
106 machine-$(CONFIG_ARCH_PXA) := pxa
107 machine-$(CONFIG_ARCH_L7200) := l7200
108 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
Russell King9d4f13e2006-01-03 17:28:33 +0000109 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100111 machine-$(CONFIG_ARCH_IOP32X) := iop32x
112 machine-$(CONFIG_ARCH_IOP33X) := iop33x
Dan Williams285f5fa2006-12-07 02:59:39 +0100113 machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
115 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100116 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
Tony Lindgrend48af152005-07-10 19:58:17 +0100117 machine-$(CONFIG_ARCH_OMAP1) := omap1
Tony Lindgren1dbae812005-11-10 14:26:51 +0000118 machine-$(CONFIG_ARCH_OMAP2) := omap2
Tony Lindgrend48af152005-07-10 19:58:17 +0100119 incdir-$(CONFIG_ARCH_OMAP) := omap
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
121 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
122 machine-$(CONFIG_ARCH_VERSATILE) := versatile
123 machine-$(CONFIG_ARCH_IMX) := imx
124 machine-$(CONFIG_ARCH_H720X) := h720x
Bellido Nicolas038c5b62005-06-20 18:51:05 +0100125 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
Catalin Marinas8ad68bb2005-10-31 14:25:02 +0000126 machine-$(CONFIG_ARCH_REALVIEW) := realview
Andrew Victor8fc5ffa2006-06-29 16:06:33 +0100127 machine-$(CONFIG_ARCH_AT91) := at91rm9200
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000128 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
Vitaly Wool78818e42006-05-16 11:54:37 +0100129 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
Sascha Hauerbb6d8c82006-06-19 15:27:53 +0100130 machine-$(CONFIG_ARCH_NETX) := netx
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131
132ifeq ($(CONFIG_ARCH_EBSA110),y)
133# This is what happens if you forget the IOCS16 line.
134# PCMCIA cards stop working.
135CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
136export CFLAGS_3c589_cs.o
137endif
138
Russell King9d4f13e2006-01-03 17:28:33 +0000139# The byte offset of the kernel image in RAM from the start of RAM.
140TEXT_OFFSET := $(textofs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141
142ifeq ($(incdir-y),)
143incdir-y := $(machine-y)
144endif
145INCDIR := arch-$(incdir-y)
Nicolas Pitre37d07b72005-10-29 21:44:56 +0100146
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147ifneq ($(machine-y),)
148MACHINE := arch/arm/mach-$(machine-y)/
149else
150MACHINE :=
151endif
Ben Dooksa21765a2007-02-11 18:31:01 +0100152
Hyok S. Choif8c07de2006-03-27 15:14:19 +0100153export TEXT_OFFSET GZFLAGS MMUEXT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154
155# Do we have FASTFPE?
156FASTFPE :=arch/arm/fastfpe
157ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
158FASTFPE_OBJ :=$(FASTFPE)/
159endif
160
161# If we have a machine-specific directory, then include it in the build.
162core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
163core-y += $(MACHINE)
Ben Dooksa21765a2007-02-11 18:31:01 +0100164core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2400/
165core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2412/
166core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2440/
167core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2442/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
169core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
170core-$(CONFIG_VFP) += arch/arm/vfp/
171
Tony Lindgrend48af152005-07-10 19:58:17 +0100172# If we have a common platform directory, then include it in the build.
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100173core-$(CONFIG_PLAT_IOP) += arch/arm/plat-iop/
Tony Lindgrend48af152005-07-10 19:58:17 +0100174core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
Ben Dooksa21765a2007-02-11 18:31:01 +0100175core-$(CONFIG_PLAT_S3C24XX) += arch/arm/plat-s3c24xx/
Tony Lindgrend48af152005-07-10 19:58:17 +0100176
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
178drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
179drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
180
Nicolas Pitre30c2f902005-11-04 17:17:30 +0000181libs-y := arch/arm/lib/ $(libs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182
183# Default target when executing plain make
184ifeq ($(CONFIG_XIP_KERNEL),y)
Russell King51342d72006-10-29 12:51:05 +0000185KBUILD_IMAGE := xipImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186else
Russell King51342d72006-10-29 12:51:05 +0000187KBUILD_IMAGE := zImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188endif
189
Russell King51342d72006-10-29 12:51:05 +0000190all: $(KBUILD_IMAGE)
191
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192boot := arch/arm/boot
193
194# Update machine arch and proc symlinks if something which affects
195# them changed. We use .arch to indicate when they were updated
196# last, otherwise make uses the target directory mtime.
197
Roman Zippel2e3646e2006-06-08 22:12:42 -0700198include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
200ifneq ($(KBUILD_SRC),)
201 $(Q)mkdir -p include/asm-arm
202 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
203else
204 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
205endif
206 @touch $@
207
Al Viro0b155692005-09-26 07:49:27 +0100208archprepare: maketools
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209
Paul Smith4f193362006-03-05 17:14:10 -0500210PHONY += maketools FORCE
Al Viro0b155692005-09-26 07:49:27 +0100211maketools: include/linux/version.h include/asm-arm/.arch FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700212 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
213
214# Convert bzImage to zImage
215bzImage: zImage
216
217zImage Image xipImage bootpImage uImage: vmlinux
218 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
219
220zinstall install: vmlinux
221 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
222
Sam Ravnborge6ae7442005-09-09 21:08:59 +0200223CLEAN_FILES += include/asm-arm/mach-types.h \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224 include/asm-arm/arch include/asm-arm/.arch
225
226# We use MRPROPER_FILES and CLEAN_FILES now
227archclean:
228 $(Q)$(MAKE) $(clean)=$(boot)
229
230# My testing targets (bypasses dependencies)
231bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
232i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
233
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234
235define archhelp
236 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
237 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
238 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
239 echo ' bootpImage - Combined zImage and initial RAM disk'
240 echo ' (supply initrd image via make variable INITRD=<path>)'
241 echo ' install - Install uncompressed kernel'
242 echo ' zinstall - Install compressed kernel'
243 echo ' Install using (your) ~/bin/installkernel or'
244 echo ' (distribution) /sbin/installkernel or'
245 echo ' install to $$(INSTALL_PATH) and run lilo'
246endef