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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
Nicolas Pitre37d07b72005-10-29 21:44:56 +010011CPPFLAGS_vmlinux.lds = -DKERNEL_RAM_ADDR=$(TEXTADDR)
Linus Torvalds1da177e2005-04-16 15:20:36 -070012OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
13GZFLAGS :=-9
14#CFLAGS +=-pipe
15
16# Do not use arch/arm/defconfig - it's always outdated.
17# Select a platform tht is kept up-to-date
18KBUILD_DEFCONFIG := versatile_defconfig
19
20ifeq ($(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)
41arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
42arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
43arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
44
45# This selects how we optimise for the processor.
46tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
47tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
48tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
49tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
50tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
51tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
52tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
53tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
54tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
55tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
George G. Daviscd26f452005-10-12 19:58:09 +010056tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
Linus Torvalds1da177e2005-04-16 15:20:36 -070057
58# Need -Uarm for gcc < 3.x
Catalin Marinasc28a8142005-06-30 17:04:14 +010059CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
Linus Torvalds1da177e2005-04-16 15:20:36 -070060CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
61AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
62
63CHECKFLAGS += -D__arm__
64
65#Default value
66head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
67textaddr-y := 0xC0008000
68
69 machine-$(CONFIG_ARCH_RPC) := rpc
70 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
71 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
72 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
73 machine-$(CONFIG_FOOTBRIDGE) := footbridge
74 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
75textaddr-$(CONFIG_ARCH_CO285) := 0x60008000
76 machine-$(CONFIG_ARCH_CO285) := footbridge
77 incdir-$(CONFIG_ARCH_CO285) := ebsa285
78 machine-$(CONFIG_ARCH_SHARK) := shark
79 machine-$(CONFIG_ARCH_SA1100) := sa1100
80ifeq ($(CONFIG_ARCH_SA1100),y)
81# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
82textaddr-$(CONFIG_SA1111) := 0xc0208000
83endif
84 machine-$(CONFIG_ARCH_PXA) := pxa
85 machine-$(CONFIG_ARCH_L7200) := l7200
86 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
87 machine-$(CONFIG_ARCH_CAMELOT) := epxa10db
88textaddr-$(CONFIG_ARCH_CLPS711X) := 0xc0028000
89 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
90textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000
91 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
92 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
93 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
Tony Lindgrend48af152005-07-10 19:58:17 +010094 machine-$(CONFIG_ARCH_OMAP1) := omap1
95 incdir-$(CONFIG_ARCH_OMAP) := omap
Linus Torvalds1da177e2005-04-16 15:20:36 -070096 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
97 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
98 machine-$(CONFIG_ARCH_VERSATILE) := versatile
99 machine-$(CONFIG_ARCH_IMX) := imx
100 machine-$(CONFIG_ARCH_H720X) := h720x
Bellido Nicolas038c5b62005-06-20 18:51:05 +0100101 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
Catalin Marinas8ad68bb2005-10-31 14:25:02 +0000102 machine-$(CONFIG_ARCH_REALVIEW) := realview
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103
104ifeq ($(CONFIG_ARCH_EBSA110),y)
105# This is what happens if you forget the IOCS16 line.
106# PCMCIA cards stop working.
107CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
108export CFLAGS_3c589_cs.o
109endif
110
111TEXTADDR := $(textaddr-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112
113ifeq ($(incdir-y),)
114incdir-y := $(machine-y)
115endif
116INCDIR := arch-$(incdir-y)
Nicolas Pitre37d07b72005-10-29 21:44:56 +0100117
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118ifneq ($(machine-y),)
119MACHINE := arch/arm/mach-$(machine-y)/
120else
121MACHINE :=
122endif
123
Nicolas Pitre37d07b72005-10-29 21:44:56 +0100124export TEXTADDR GZFLAGS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125
126# Do we have FASTFPE?
127FASTFPE :=arch/arm/fastfpe
128ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
129FASTFPE_OBJ :=$(FASTFPE)/
130endif
131
132# If we have a machine-specific directory, then include it in the build.
133core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
134core-y += $(MACHINE)
135core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
136core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
137core-$(CONFIG_VFP) += arch/arm/vfp/
138
Tony Lindgrend48af152005-07-10 19:58:17 +0100139# If we have a common platform directory, then include it in the build.
140core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
141
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
143drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
144drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
145
146libs-y += arch/arm/lib/
147
148# Default target when executing plain make
149ifeq ($(CONFIG_XIP_KERNEL),y)
150all: xipImage
151else
152all: zImage
153endif
154
155boot := arch/arm/boot
156
157# Update machine arch and proc symlinks if something which affects
158# them changed. We use .arch to indicate when they were updated
159# last, otherwise make uses the target directory mtime.
160
161include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
162 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
163ifneq ($(KBUILD_SRC),)
164 $(Q)mkdir -p include/asm-arm
165 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
166else
167 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
168endif
169 @touch $@
170
Al Viro0b155692005-09-26 07:49:27 +0100171archprepare: maketools
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172
173.PHONY: maketools FORCE
Al Viro0b155692005-09-26 07:49:27 +0100174maketools: include/linux/version.h include/asm-arm/.arch FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
176
177# Convert bzImage to zImage
178bzImage: zImage
179
180zImage Image xipImage bootpImage uImage: vmlinux
181 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
182
183zinstall install: vmlinux
184 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
185
Sam Ravnborge6ae7442005-09-09 21:08:59 +0200186CLEAN_FILES += include/asm-arm/mach-types.h \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187 include/asm-arm/arch include/asm-arm/.arch
188
189# We use MRPROPER_FILES and CLEAN_FILES now
190archclean:
191 $(Q)$(MAKE) $(clean)=$(boot)
192
193# My testing targets (bypasses dependencies)
194bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
195i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
196
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197
198define archhelp
199 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
200 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
201 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
202 echo ' bootpImage - Combined zImage and initial RAM disk'
203 echo ' (supply initrd image via make variable INITRD=<path>)'
204 echo ' install - Install uncompressed kernel'
205 echo ' zinstall - Install compressed kernel'
206 echo ' Install using (your) ~/bin/installkernel or'
207 echo ' (distribution) /sbin/installkernel or'
208 echo ' install to $$(INSTALL_PATH) and run lilo'
209endef