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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16# Do not use arch/arm/defconfig - it's always outdated.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)
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
59# Need -Uarm for gcc < 3.x
Catalin Marinasc28a8142005-06-30 17:04:14 +010060CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
Linus Torvalds1da177e2005-04-16 15:20:36 -070061CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
62AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
63
64CHECKFLAGS += -D__arm__
65
66#Default value
67head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
68textaddr-y := 0xC0008000
69
70 machine-$(CONFIG_ARCH_RPC) := rpc
71 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
72 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
73 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
74 machine-$(CONFIG_FOOTBRIDGE) := footbridge
75 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
76textaddr-$(CONFIG_ARCH_CO285) := 0x60008000
77 machine-$(CONFIG_ARCH_CO285) := footbridge
78 incdir-$(CONFIG_ARCH_CO285) := ebsa285
79 machine-$(CONFIG_ARCH_SHARK) := shark
80 machine-$(CONFIG_ARCH_SA1100) := sa1100
81ifeq ($(CONFIG_ARCH_SA1100),y)
82# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
83textaddr-$(CONFIG_SA1111) := 0xc0208000
84endif
85 machine-$(CONFIG_ARCH_PXA) := pxa
86 machine-$(CONFIG_ARCH_L7200) := l7200
87 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
88 machine-$(CONFIG_ARCH_CAMELOT) := epxa10db
89textaddr-$(CONFIG_ARCH_CLPS711X) := 0xc0028000
90 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
91textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000
92 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
93 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
94 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
Tony Lindgrend48af152005-07-10 19:58:17 +010095 machine-$(CONFIG_ARCH_OMAP1) := omap1
96 incdir-$(CONFIG_ARCH_OMAP) := omap
Linus Torvalds1da177e2005-04-16 15:20:36 -070097 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
98 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
99 machine-$(CONFIG_ARCH_VERSATILE) := versatile
100 machine-$(CONFIG_ARCH_IMX) := imx
101 machine-$(CONFIG_ARCH_H720X) := h720x
Bellido Nicolas038c5b62005-06-20 18:51:05 +0100102 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
Catalin Marinas8ad68bb2005-10-31 14:25:02 +0000103 machine-$(CONFIG_ARCH_REALVIEW) := realview
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104
105ifeq ($(CONFIG_ARCH_EBSA110),y)
106# This is what happens if you forget the IOCS16 line.
107# PCMCIA cards stop working.
108CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
109export CFLAGS_3c589_cs.o
110endif
111
112TEXTADDR := $(textaddr-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113
114ifeq ($(incdir-y),)
115incdir-y := $(machine-y)
116endif
117INCDIR := arch-$(incdir-y)
Nicolas Pitre37d07b72005-10-29 21:44:56 +0100118
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119ifneq ($(machine-y),)
120MACHINE := arch/arm/mach-$(machine-y)/
121else
122MACHINE :=
123endif
124
Nicolas Pitre37d07b72005-10-29 21:44:56 +0100125export TEXTADDR GZFLAGS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
127# Do we have FASTFPE?
128FASTFPE :=arch/arm/fastfpe
129ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
130FASTFPE_OBJ :=$(FASTFPE)/
131endif
132
133# If we have a machine-specific directory, then include it in the build.
134core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
135core-y += $(MACHINE)
136core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
137core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
138core-$(CONFIG_VFP) += arch/arm/vfp/
139
Tony Lindgrend48af152005-07-10 19:58:17 +0100140# If we have a common platform directory, then include it in the build.
141core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
142
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
144drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
145drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
146
Nicolas Pitre30c2f902005-11-04 17:17:30 +0000147libs-y := arch/arm/lib/ $(libs-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148
149# Default target when executing plain make
150ifeq ($(CONFIG_XIP_KERNEL),y)
151all: xipImage
152else
153all: zImage
154endif
155
156boot := arch/arm/boot
157
158# Update machine arch and proc symlinks if something which affects
159# them changed. We use .arch to indicate when they were updated
160# last, otherwise make uses the target directory mtime.
161
162include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
163 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
164ifneq ($(KBUILD_SRC),)
165 $(Q)mkdir -p include/asm-arm
166 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
167else
168 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
169endif
170 @touch $@
171
Al Viro0b155692005-09-26 07:49:27 +0100172archprepare: maketools
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173
174.PHONY: maketools FORCE
Al Viro0b155692005-09-26 07:49:27 +0100175maketools: include/linux/version.h include/asm-arm/.arch FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
177
178# Convert bzImage to zImage
179bzImage: zImage
180
181zImage Image xipImage bootpImage uImage: vmlinux
182 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
183
184zinstall install: vmlinux
185 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
186
Sam Ravnborge6ae7442005-09-09 21:08:59 +0200187CLEAN_FILES += include/asm-arm/mach-types.h \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188 include/asm-arm/arch include/asm-arm/.arch
189
190# We use MRPROPER_FILES and CLEAN_FILES now
191archclean:
192 $(Q)$(MAKE) $(clean)=$(boot)
193
194# My testing targets (bypasses dependencies)
195bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
196i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
197
Linus Torvalds1da177e2005-04-16 15:20:36 -0700198
199define archhelp
200 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
201 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
202 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
203 echo ' bootpImage - Combined zImage and initial RAM disk'
204 echo ' (supply initrd image via make variable INITRD=<path>)'
205 echo ' install - Install uncompressed kernel'
206 echo ' zinstall - Install compressed kernel'
207 echo ' Install using (your) ~/bin/installkernel or'
208 echo ' (distribution) /sbin/installkernel or'
209 echo ' install to $$(INSTALL_PATH) and run lilo'
210endef