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kmemtrace: Core implementation.
[linux-2.6/kmemtrace.git] / arch / arm / Makefile
blobe72db27e0ba074e599d9eda4101c417c19f78362
1 #
2 # arch/arm/Makefile
3 #
4 # This file is included by the global makefile so that you can add your own
5 # architecture-specific flags and dependencies.
6 #
7 # 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
13 LDFLAGS_vmlinux :=-p --no-undefined -X
14 CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
15 OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
16 GZFLAGS :=-9
17 #KBUILD_CFLAGS +=-pipe
18 # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
19 KBUILD_CFLAGS +=$(call cc-option,-marm,)
20
21 # Do not use arch/arm/defconfig - it's always outdated.
22 # Select a platform tht is kept up-to-date
23 KBUILD_DEFCONFIG := versatile_defconfig
24
25 # defines filename extension depending memory manement type.
26 ifeq ($(CONFIG_MMU),)
27 MMUEXT := -nommu
28 endif
29
30 ifeq ($(CONFIG_FRAME_POINTER),y)
31 KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
32 endif
33
34 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
35 KBUILD_CPPFLAGS += -mbig-endian
36 AS += -EB
37 LD += -EB
38 else
39 KBUILD_CPPFLAGS += -mlittle-endian
40 AS += -EL
41 LD += -EL
42 endif
43
44 comma = ,
45
46 # This selects which instruction set is used.
47 # Note that GCC does not numerically define an architecture version
48 # macro, but instead defines a whole series of macros which makes
49 # testing for a specific architecture or later rather impossible.
50 arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7a,-march=armv5t -Wa$(comma)-march=armv7a)
51 arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
52 # Only override the compiler option if ARMv6. The ARMv6K extensions are
53 # always available in ARMv7
54 ifeq ($(CONFIG_CPU_32v6),y)
55 arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
56 endif
57 arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
58 arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
59 arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
60 arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
61
62 # This selects how we optimise for the processor.
63 tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
64 tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
65 tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
66 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
67 tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
68 tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
69 tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
70 tune-$(CONFIG_CPU_ARM946T) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
71 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
72 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
73 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
74 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
75 tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
76 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
77 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
78 tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
79 tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
80
81 ifeq ($(CONFIG_AEABI),y)
82 CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
83 else
84 CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
85 endif
86
87 # Need -Uarm for gcc < 3.x
88 KBUILD_CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
89 KBUILD_AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
90
91 CHECKFLAGS += -D__arm__
92
93 #Default value
94 head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
95 textofs-y := 0x00008000
96
97 machine-$(CONFIG_ARCH_RPC) := rpc
98 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
99 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
100 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
101 machine-$(CONFIG_FOOTBRIDGE) := footbridge
102 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
103 machine-$(CONFIG_ARCH_CO285) := footbridge
104 incdir-$(CONFIG_ARCH_CO285) := ebsa285
105 machine-$(CONFIG_ARCH_SHARK) := shark
106 machine-$(CONFIG_ARCH_SA1100) := sa1100
107 ifeq ($(CONFIG_ARCH_SA1100),y)
108 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
109 textofs-$(CONFIG_SA1111) := 0x00208000
110 endif
111 machine-$(CONFIG_ARCH_PXA) := pxa
112 machine-$(CONFIG_ARCH_L7200) := l7200
113 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
114 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
115 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
116 machine-$(CONFIG_ARCH_IOP32X) := iop32x
117 machine-$(CONFIG_ARCH_IOP33X) := iop33x
118 machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
119 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
120 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
121 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
122 machine-$(CONFIG_ARCH_OMAP1) := omap1
123 machine-$(CONFIG_ARCH_OMAP2) := omap2
124 incdir-$(CONFIG_ARCH_OMAP) := omap
125 machine-$(CONFIG_ARCH_S3C2410) := s3c2410
126 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
127 machine-$(CONFIG_ARCH_VERSATILE) := versatile
128 machine-$(CONFIG_ARCH_IMX) := imx
129 machine-$(CONFIG_ARCH_H720X) := h720x
130 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
131 machine-$(CONFIG_ARCH_REALVIEW) := realview
132 machine-$(CONFIG_ARCH_AT91) := at91
133 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
134 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
135 machine-$(CONFIG_ARCH_NETX) := netx
136 machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
137 machine-$(CONFIG_ARCH_DAVINCI) := davinci
138 machine-$(CONFIG_ARCH_KS8695) := ks8695
139 incdir-$(CONFIG_ARCH_MXC) := mxc
140 machine-$(CONFIG_ARCH_MX3) := mx3
141 machine-$(CONFIG_ARCH_ORION5X) := orion5x
142 machine-$(CONFIG_ARCH_MSM7X00A) := msm
143
144 ifeq ($(CONFIG_ARCH_EBSA110),y)
145 # This is what happens if you forget the IOCS16 line.
146 # PCMCIA cards stop working.
147 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
148 export CFLAGS_3c589_cs.o
149 endif
150
151 # The byte offset of the kernel image in RAM from the start of RAM.
152 TEXT_OFFSET := $(textofs-y)
153
154 ifeq ($(incdir-y),)
155 incdir-y := $(machine-y)
156 endif
157 INCDIR := arch-$(incdir-y)
158
159 ifneq ($(machine-y),)
160 MACHINE := arch/arm/mach-$(machine-y)/
161 else
162 MACHINE :=
163 endif
164
165 export TEXT_OFFSET GZFLAGS MMUEXT
166
167 # Do we have FASTFPE?
168 FASTFPE :=arch/arm/fastfpe
169 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
170 FASTFPE_OBJ :=$(FASTFPE)/
171 endif
172
173 # If we have a machine-specific directory, then include it in the build.
174 core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
175 core-y += $(MACHINE)
176 core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2400/
177 core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2412/
178 core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2440/
179 core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2442/
180 core-$(CONFIG_ARCH_S3C2410) += arch/arm/mach-s3c2443/
181 core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
182 core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
183 core-$(CONFIG_VFP) += arch/arm/vfp/
184
185 # If we have a common platform directory, then include it in the build.
186 core-$(CONFIG_PLAT_IOP) += arch/arm/plat-iop/
187 core-$(CONFIG_PLAT_ORION) += arch/arm/plat-orion/
188 core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
189 core-$(CONFIG_PLAT_S3C24XX) += arch/arm/plat-s3c24xx/
190 core-$(CONFIG_ARCH_MXC) += arch/arm/plat-mxc/
191
192 drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
193 drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
194 drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
195
196 libs-y := arch/arm/lib/ $(libs-y)
197
198 # Default target when executing plain make
199 ifeq ($(CONFIG_XIP_KERNEL),y)
200 KBUILD_IMAGE := xipImage
201 else
202 KBUILD_IMAGE := zImage
203 endif
204
205 all: $(KBUILD_IMAGE)
206
207 boot := arch/arm/boot
208
209 # Update machine arch and proc symlinks if something which affects
210 # them changed. We use .arch to indicate when they were updated
211 # last, otherwise make uses the target directory mtime.
212
213 include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
214 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
215 ifneq ($(KBUILD_SRC),)
216 $(Q)mkdir -p include/asm-arm
217 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
218 else
219 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
220 endif
221 @touch $@
222
223 archprepare: maketools
224
225 PHONY += maketools FORCE
226 maketools: include/linux/version.h include/asm-arm/.arch FORCE
227 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
228
229 # Convert bzImage to zImage
230 bzImage: zImage
231
232 zImage Image xipImage bootpImage uImage: vmlinux
233 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
234
235 zinstall install: vmlinux
236 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
237
238 CLEAN_FILES += include/asm-arm/mach-types.h \
239 include/asm-arm/arch include/asm-arm/.arch
240
241 # We use MRPROPER_FILES and CLEAN_FILES now
242 archclean:
243 $(Q)$(MAKE) $(clean)=$(boot)
244
245 # My testing targets (bypasses dependencies)
246 bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
247 i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
248
249
250 define archhelp
251 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
252 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
253 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
254 echo ' uImage - U-Boot wrapped zImage'
255 echo ' bootpImage - Combined zImage and initial RAM disk'
256 echo ' (supply initrd image via make variable INITRD=<path>)'
257 echo ' install - Install uncompressed kernel'
258 echo ' zinstall - Install compressed kernel'
259 echo ' Install using (your) ~/bin/installkernel or'
260 echo ' (distribution) /sbin/installkernel or'
261 echo ' install to $$(INSTALL_PATH) and run lilo'
262 endef
kmemtrace - Kernel memory tracer