4 # This file is included by the global makefile so that you can add your own
5 # architecture-specific flags and dependencies.
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
11 # Copyright (C) 1995-2001 by Russell King
13 LDFLAGS_vmlinux :=-p --no-undefined -X
14 ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
15 LDFLAGS_vmlinux += --be8
18 OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
20 #KBUILD_CFLAGS +=-pipe
21 # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
22 KBUILD_CFLAGS +=$(call cc-option,-marm,)
24 # Do not use arch/arm/defconfig - it's always outdated.
25 # Select a platform tht is kept up-to-date
26 KBUILD_DEFCONFIG := versatile_defconfig
28 # defines filename extension depending memory management type.
33 ifeq ($(CONFIG_FRAME_POINTER),y)
34 KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
37 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
38 KBUILD_CPPFLAGS += -mbig-endian
42 KBUILD_CPPFLAGS += -mlittle-endian
49 # This selects which instruction set is used.
50 # Note that GCC does not numerically define an architecture version
51 # macro, but instead defines a whole series of macros which makes
52 # testing for a specific architecture or later rather impossible.
53 arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
54 arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
55 # Only override the compiler option if ARMv6. The ARMv6K extensions are
56 # always available in ARMv7
57 ifeq ($(CONFIG_CPU_32v6),y)
58 arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
60 arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
61 arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
62 arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
63 arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
65 # This selects how we optimise for the processor.
66 tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
67 tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
68 tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
69 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
70 tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
71 tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
72 tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
73 tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
74 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
75 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
76 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
77 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
78 tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi
79 tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
80 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
81 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
82 tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
83 tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale)
84 tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
86 ifeq ($(CONFIG_AEABI),y)
87 CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
89 CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
92 ifeq ($(CONFIG_ARM_UNWIND),y)
93 CFLAGS_ABI +=-funwind-tables
96 ifeq ($(CONFIG_THUMB2_KERNEL),y)
97 AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
98 AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
99 CFLAGS_THUMB2 :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
100 AFLAGS_THUMB2 :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb
103 # Need -Uarm for gcc < 3.x
104 KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_THUMB2) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
105 KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_THUMB2) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
107 CHECKFLAGS += -D__arm__
110 head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
111 textofs-y := 0x00008000
112 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
113 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
114 ifeq ($(CONFIG_ARCH_SA1100),y)
115 textofs-$(CONFIG_SA1111) := 0x00208000
118 # Machine directory name. This list is sorted alphanumerically
119 # by CONFIG_* macro name.
120 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
121 machine-$(CONFIG_ARCH_AT91) := at91
122 machine-$(CONFIG_ARCH_BCMRING) := bcmring
123 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
124 machine-$(CONFIG_ARCH_DAVINCI) := davinci
125 machine-$(CONFIG_ARCH_DOVE) := dove
126 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
127 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
128 machine-$(CONFIG_ARCH_GEMINI) := gemini
129 machine-$(CONFIG_ARCH_H720X) := h720x
130 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
131 machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
132 machine-$(CONFIG_ARCH_IOP32X) := iop32x
133 machine-$(CONFIG_ARCH_IOP33X) := iop33x
134 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
135 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
136 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
137 machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
138 machine-$(CONFIG_ARCH_KS8695) := ks8695
139 machine-$(CONFIG_ARCH_L7200) := l7200
140 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
141 machine-$(CONFIG_ARCH_LOKI) := loki
142 machine-$(CONFIG_ARCH_MMP) := mmp
143 machine-$(CONFIG_ARCH_MSM) := msm
144 machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
145 machine-$(CONFIG_ARCH_MX1) := mx1
146 machine-$(CONFIG_ARCH_MX2) := mx2
147 machine-$(CONFIG_ARCH_MX25) := mx25
148 machine-$(CONFIG_ARCH_MX3) := mx3
149 machine-$(CONFIG_ARCH_MXC91231) := mxc91231
150 machine-$(CONFIG_ARCH_NETX) := netx
151 machine-$(CONFIG_ARCH_NOMADIK) := nomadik
152 machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
153 machine-$(CONFIG_ARCH_OMAP1) := omap1
154 machine-$(CONFIG_ARCH_OMAP2) := omap2
155 machine-$(CONFIG_ARCH_OMAP3) := omap2
156 machine-$(CONFIG_ARCH_OMAP4) := omap2
157 machine-$(CONFIG_ARCH_ORION5X) := orion5x
158 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
159 machine-$(CONFIG_ARCH_PXA) := pxa
160 machine-$(CONFIG_ARCH_REALVIEW) := realview
161 machine-$(CONFIG_ARCH_RPC) := rpc
162 machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
163 machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0
164 machine-$(CONFIG_ARCH_S3C64XX) := s3c6400 s3c6410
165 machine-$(CONFIG_ARCH_S5PC1XX) := s5pc100
166 machine-$(CONFIG_ARCH_SA1100) := sa1100
167 machine-$(CONFIG_ARCH_SHARK) := shark
168 machine-$(CONFIG_ARCH_STMP378X) := stmp378x
169 machine-$(CONFIG_ARCH_STMP37XX) := stmp37xx
170 machine-$(CONFIG_ARCH_U300) := u300
171 machine-$(CONFIG_ARCH_U8500) := ux500
172 machine-$(CONFIG_ARCH_VERSATILE) := versatile
173 machine-$(CONFIG_ARCH_W90X900) := w90x900
174 machine-$(CONFIG_FOOTBRIDGE) := footbridge
176 # Platform directory name. This list is sorted alphanumerically
177 # by CONFIG_* macro name.
178 plat-$(CONFIG_ARCH_MXC) := mxc
179 plat-$(CONFIG_ARCH_OMAP) := omap
180 plat-$(CONFIG_ARCH_STMP3XXX) := stmp3xxx
181 plat-$(CONFIG_PLAT_IOP) := iop
182 plat-$(CONFIG_PLAT_NOMADIK) := nomadik
183 plat-$(CONFIG_PLAT_ORION) := orion
184 plat-$(CONFIG_PLAT_PXA) := pxa
185 plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx s3c samsung
186 plat-$(CONFIG_PLAT_S3C64XX) := s3c64xx s3c samsung
187 plat-$(CONFIG_PLAT_S5PC1XX) := s5pc1xx s3c samsung
189 ifeq ($(CONFIG_ARCH_EBSA110),y)
190 # This is what happens if you forget the IOCS16 line.
191 # PCMCIA cards stop working.
192 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
193 export CFLAGS_3c589_cs.o
196 # The byte offset of the kernel image in RAM from the start of RAM.
197 TEXT_OFFSET := $(textofs-y)
199 # The first directory contains additional information for the boot setup code
200 ifneq ($(machine-y),)
201 MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
206 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
207 platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
209 ifeq ($(KBUILD_SRC),)
210 KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
212 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
215 export TEXT_OFFSET GZFLAGS MMUEXT
217 # Do we have FASTFPE?
218 FASTFPE :=arch/arm/fastfpe
219 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
220 FASTFPE_OBJ :=$(FASTFPE)/
223 # If we have a machine-specific directory, then include it in the build.
224 core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
225 core-y += $(machdirs) $(platdirs)
226 core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
227 core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
228 core-$(CONFIG_VFP) += arch/arm/vfp/
230 drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
232 libs-y := arch/arm/lib/ $(libs-y)
234 # Default target when executing plain make
235 ifeq ($(CONFIG_XIP_KERNEL),y)
236 KBUILD_IMAGE := xipImage
238 KBUILD_IMAGE := zImage
243 boot := arch/arm/boot
246 $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h
248 # Convert bzImage to zImage
251 zImage Image xipImage bootpImage uImage: vmlinux
252 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
254 zinstall install: vmlinux
255 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
257 # We use MRPROPER_FILES and CLEAN_FILES now
259 $(Q)$(MAKE) $(clean)=$(boot)
261 # My testing targets (bypasses dependencies)
262 bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
263 i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
267 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
268 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
269 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
270 echo ' uImage - U-Boot wrapped zImage'
271 echo ' bootpImage - Combined zImage and initial RAM disk'
272 echo ' (supply initrd image via make variable INITRD=<path>)'
273 echo ' install - Install uncompressed kernel'
274 echo ' zinstall - Install compressed kernel'
275 echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
276 echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
277 echo ' install to $$(INSTALL_PATH) and run lilo'