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 ($(CONFIG_CPU_ENDIAN_BE8
),y
)
15 LDFLAGS_vmlinux
+= --be8
18 OBJCOPYFLAGS
:=-O binary
-R .comment
-S
20 #KBUILD_CFLAGS +=-pipe
21 # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
22 KBUILD_CFLAGS
+=$(call cc-option
,-marm
,)
24 # Never generate .eh_frame
25 KBUILD_CFLAGS
+= $(call cc-option
,-fno-dwarf2-cfi-asm
)
27 # Do not use arch/arm/defconfig - it's always outdated.
28 # Select a platform tht is kept up-to-date
29 KBUILD_DEFCONFIG
:= versatile_defconfig
31 # defines filename extension depending memory management type.
36 ifeq ($(CONFIG_FRAME_POINTER
),y
)
37 KBUILD_CFLAGS
+=-fno-omit-frame-pointer
-mapcs
-mno-sched-prolog
40 ifeq ($(CONFIG_CC_STACKPROTECTOR
),y
)
41 KBUILD_CFLAGS
+=-fstack-protector
44 ifeq ($(CONFIG_CPU_BIG_ENDIAN
),y
)
45 KBUILD_CPPFLAGS
+= -mbig-endian
49 KBUILD_CPPFLAGS
+= -mlittle-endian
56 # This selects which instruction set is used.
57 # Note that GCC does not numerically define an architecture version
58 # macro, but instead defines a whole series of macros which makes
59 # testing for a specific architecture or later rather impossible.
60 arch-
$(CONFIG_CPU_32v7
) :=-D__LINUX_ARM_ARCH__
=7 $(call cc-option
,-march
=armv7-a
,-march
=armv5t
-Wa
$(comma
)-march
=armv7-a
)
61 arch-
$(CONFIG_CPU_32v6
) :=-D__LINUX_ARM_ARCH__
=6 $(call cc-option
,-march
=armv6
,-march
=armv5t
-Wa
$(comma
)-march
=armv6
)
62 # Only override the compiler option if ARMv6. The ARMv6K extensions are
63 # always available in ARMv7
64 ifeq ($(CONFIG_CPU_32v6
),y
)
65 arch-
$(CONFIG_CPU_32v6K
) :=-D__LINUX_ARM_ARCH__
=6 $(call cc-option
,-march
=armv6k
,-march
=armv5t
-Wa
$(comma
)-march
=armv6k
)
67 arch-
$(CONFIG_CPU_32v5
) :=-D__LINUX_ARM_ARCH__
=5 $(call cc-option
,-march
=armv5te
,-march
=armv4t
)
68 arch-
$(CONFIG_CPU_32v4T
) :=-D__LINUX_ARM_ARCH__
=4 -march
=armv4t
69 arch-
$(CONFIG_CPU_32v4
) :=-D__LINUX_ARM_ARCH__
=4 -march
=armv4
70 arch-
$(CONFIG_CPU_32v3
) :=-D__LINUX_ARM_ARCH__
=3 -march
=armv3
72 # This selects how we optimise for the processor.
73 tune-
$(CONFIG_CPU_ARM610
) :=-mtune
=arm610
74 tune-
$(CONFIG_CPU_ARM710
) :=-mtune
=arm710
75 tune-
$(CONFIG_CPU_ARM7TDMI
) :=-mtune
=arm7tdmi
76 tune-
$(CONFIG_CPU_ARM720T
) :=-mtune
=arm7tdmi
77 tune-
$(CONFIG_CPU_ARM740T
) :=-mtune
=arm7tdmi
78 tune-
$(CONFIG_CPU_ARM9TDMI
) :=-mtune
=arm9tdmi
79 tune-
$(CONFIG_CPU_ARM940T
) :=-mtune
=arm9tdmi
80 tune-
$(CONFIG_CPU_ARM946E
) :=$(call cc-option
,-mtune
=arm9e
,-mtune
=arm9tdmi
)
81 tune-
$(CONFIG_CPU_ARM920T
) :=-mtune
=arm9tdmi
82 tune-
$(CONFIG_CPU_ARM922T
) :=-mtune
=arm9tdmi
83 tune-
$(CONFIG_CPU_ARM925T
) :=-mtune
=arm9tdmi
84 tune-
$(CONFIG_CPU_ARM926T
) :=-mtune
=arm9tdmi
85 tune-
$(CONFIG_CPU_FA526
) :=-mtune
=arm9tdmi
86 tune-
$(CONFIG_CPU_SA110
) :=-mtune
=strongarm110
87 tune-
$(CONFIG_CPU_SA1100
) :=-mtune
=strongarm1100
88 tune-
$(CONFIG_CPU_XSCALE
) :=$(call cc-option
,-mtune
=xscale
,-mtune
=strongarm110
) -Wa
,-mcpu
=xscale
89 tune-
$(CONFIG_CPU_XSC3
) :=$(call cc-option
,-mtune
=xscale
,-mtune
=strongarm110
) -Wa
,-mcpu
=xscale
90 tune-
$(CONFIG_CPU_FEROCEON
) :=$(call cc-option
,-mtune
=marvell-f
,-mtune
=xscale
)
91 tune-
$(CONFIG_CPU_V6
) :=$(call cc-option
,-mtune
=arm1136j-s
,-mtune
=strongarm
)
92 tune-
$(CONFIG_CPU_V6K
) :=$(call cc-option
,-mtune
=arm1136j-s
,-mtune
=strongarm
)
94 ifeq ($(CONFIG_AEABI
),y
)
95 CFLAGS_ABI
:=-mabi
=aapcs-linux
-mno-thumb-interwork
97 CFLAGS_ABI
:=$(call cc-option
,-mapcs-32
,-mabi
=apcs-gnu
) $(call cc-option
,-mno-thumb-interwork
,)
100 ifeq ($(CONFIG_ARM_UNWIND
),y
)
101 CFLAGS_ABI
+=-funwind-tables
104 ifeq ($(CONFIG_THUMB2_KERNEL
),y
)
105 AFLAGS_AUTOIT
:=$(call as-option
,-Wa
$(comma
)-mimplicit-it
=always
,-Wa
$(comma
)-mauto-it
)
106 AFLAGS_NOWARN
:=$(call as-option
,-Wa
$(comma
)-mno-warn-deprecated
,-Wa
$(comma
)-W
)
107 CFLAGS_THUMB2
:=-mthumb
$(AFLAGS_AUTOIT
) $(AFLAGS_NOWARN
)
108 AFLAGS_THUMB2
:=$(CFLAGS_THUMB2
) -Wa
$(comma
)-mthumb
109 # Work around buggy relocation from gas if requested:
110 ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11
),y
)
111 CFLAGS_MODULE
+=-fno-optimize-sibling-calls
115 # Need -Uarm for gcc < 3.x
116 KBUILD_CFLAGS
+=$(CFLAGS_ABI
) $(CFLAGS_THUMB2
) $(arch-y
) $(tune-y
) $(call cc-option
,-mshort-load-bytes
,$(call cc-option
,-malignment-traps
,)) -msoft-float
-Uarm
117 KBUILD_AFLAGS
+=$(CFLAGS_ABI
) $(AFLAGS_THUMB2
) $(arch-y
) $(tune-y
) -include asm
/unified.h
-msoft-float
119 CHECKFLAGS
+= -D__arm__
122 head-y
:= arch
/arm
/kernel
/head
$(MMUEXT
).o arch
/arm
/kernel
/init_task.o
123 textofs-y
:= 0x00008000
124 textofs-
$(CONFIG_ARCH_CLPS711X
) := 0x00028000
125 # We don't want the htc bootloader to corrupt kernel during resume
126 textofs-
$(CONFIG_PM_H1940
) := 0x00108000
127 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
128 ifeq ($(CONFIG_ARCH_SA1100
),y
)
129 textofs-
$(CONFIG_SA1111
) := 0x00208000
131 textofs-
$(CONFIG_ARCH_MSM7X30
) := 0x00208000
132 textofs-
$(CONFIG_ARCH_MSM8X60
) := 0x00208000
133 textofs-
$(CONFIG_ARCH_MSM8960
) := 0x00208000
135 # Machine directory name. This list is sorted alphanumerically
136 # by CONFIG_* macro name.
137 machine-
$(CONFIG_ARCH_AT91
) := at91
138 machine-
$(CONFIG_ARCH_BCMRING
) := bcmring
139 machine-
$(CONFIG_ARCH_CLPS711X
) := clps711x
140 machine-
$(CONFIG_ARCH_CNS3XXX
) := cns3xxx
141 machine-
$(CONFIG_ARCH_DAVINCI
) := davinci
142 machine-
$(CONFIG_ARCH_DOVE
) := dove
143 machine-
$(CONFIG_ARCH_EBSA110
) := ebsa110
144 machine-
$(CONFIG_ARCH_EP93XX
) := ep93xx
145 machine-
$(CONFIG_ARCH_GEMINI
) := gemini
146 machine-
$(CONFIG_ARCH_H720X
) := h720x
147 machine-
$(CONFIG_ARCH_HIGHBANK
) := highbank
148 machine-
$(CONFIG_ARCH_INTEGRATOR
) := integrator
149 machine-
$(CONFIG_ARCH_IOP13XX
) := iop13xx
150 machine-
$(CONFIG_ARCH_IOP32X
) := iop32x
151 machine-
$(CONFIG_ARCH_IOP33X
) := iop33x
152 machine-
$(CONFIG_ARCH_IXP2000
) := ixp2000
153 machine-
$(CONFIG_ARCH_IXP23XX
) := ixp23xx
154 machine-
$(CONFIG_ARCH_IXP4XX
) := ixp4xx
155 machine-
$(CONFIG_ARCH_KIRKWOOD
) := kirkwood
156 machine-
$(CONFIG_ARCH_KS8695
) := ks8695
157 machine-
$(CONFIG_ARCH_LPC32XX
) := lpc32xx
158 machine-
$(CONFIG_ARCH_MMP
) := mmp
159 machine-
$(CONFIG_ARCH_MSM
) := msm
160 machine-
$(CONFIG_ARCH_MV78XX0
) := mv78xx0
161 machine-
$(CONFIG_ARCH_IMX_V4_V5
) := imx
162 machine-
$(CONFIG_ARCH_IMX_V6_V7
) := imx
163 machine-
$(CONFIG_ARCH_MX5
) := mx5
164 machine-
$(CONFIG_ARCH_MXS
) := mxs
165 machine-
$(CONFIG_ARCH_NETX
) := netx
166 machine-
$(CONFIG_ARCH_NOMADIK
) := nomadik
167 machine-
$(CONFIG_ARCH_OMAP1
) := omap1
168 machine-
$(CONFIG_ARCH_OMAP2
) := omap2
169 machine-
$(CONFIG_ARCH_OMAP3
) := omap2
170 machine-
$(CONFIG_ARCH_OMAP4
) := omap2
171 machine-
$(CONFIG_ARCH_ORION5X
) := orion5x
172 machine-
$(CONFIG_ARCH_PICOXCELL
) := picoxcell
173 machine-
$(CONFIG_ARCH_PNX4008
) := pnx4008
174 machine-
$(CONFIG_ARCH_PRIMA2
) := prima2
175 machine-
$(CONFIG_ARCH_PXA
) := pxa
176 machine-
$(CONFIG_ARCH_REALVIEW
) := realview
177 machine-
$(CONFIG_ARCH_RPC
) := rpc
178 machine-
$(CONFIG_ARCH_S3C2410
) := s3c2410 s3c2412 s3c2416 s3c2440 s3c2443
179 machine-
$(CONFIG_ARCH_S3C64XX
) := s3c64xx
180 machine-
$(CONFIG_ARCH_S5P64X0
) := s5p64x0
181 machine-
$(CONFIG_ARCH_S5PC100
) := s5pc100
182 machine-
$(CONFIG_ARCH_S5PV210
) := s5pv210
183 machine-
$(CONFIG_ARCH_EXYNOS4
) := exynos4
184 machine-
$(CONFIG_ARCH_SA1100
) := sa1100
185 machine-
$(CONFIG_ARCH_SHARK
) := shark
186 machine-
$(CONFIG_ARCH_SHMOBILE
) := shmobile
187 machine-
$(CONFIG_ARCH_TCC8K
) := tcc8k
188 machine-
$(CONFIG_ARCH_TEGRA
) := tegra
189 machine-
$(CONFIG_ARCH_U300
) := u300
190 machine-
$(CONFIG_ARCH_U8500
) := ux500
191 machine-
$(CONFIG_ARCH_VERSATILE
) := versatile
192 machine-
$(CONFIG_ARCH_VEXPRESS
) := vexpress
193 machine-
$(CONFIG_ARCH_VT8500
) := vt8500
194 machine-
$(CONFIG_ARCH_W90X900
) := w90x900
195 machine-
$(CONFIG_FOOTBRIDGE
) := footbridge
196 machine-
$(CONFIG_MACH_SPEAR300
) := spear3xx
197 machine-
$(CONFIG_MACH_SPEAR310
) := spear3xx
198 machine-
$(CONFIG_MACH_SPEAR320
) := spear3xx
199 machine-
$(CONFIG_MACH_SPEAR600
) := spear6xx
200 machine-
$(CONFIG_ARCH_ZYNQ
) := zynq
202 # Platform directory name. This list is sorted alphanumerically
203 # by CONFIG_* macro name.
204 plat-
$(CONFIG_ARCH_MXC
) := mxc
205 plat-
$(CONFIG_ARCH_OMAP
) := omap
206 plat-
$(CONFIG_ARCH_S3C64XX
) := samsung
207 plat-
$(CONFIG_ARCH_TCC_926
) := tcc
208 plat-
$(CONFIG_ARCH_ZYNQ
) := versatile
209 plat-
$(CONFIG_PLAT_IOP
) := iop
210 plat-
$(CONFIG_PLAT_NOMADIK
) := nomadik
211 plat-
$(CONFIG_PLAT_ORION
) := orion
212 plat-
$(CONFIG_PLAT_PXA
) := pxa
213 plat-
$(CONFIG_PLAT_S3C24XX
) := s3c24xx samsung
214 plat-
$(CONFIG_PLAT_S5P
) := s5p samsung
215 plat-
$(CONFIG_PLAT_SPEAR
) := spear
216 plat-
$(CONFIG_PLAT_VERSATILE
) := versatile
218 ifeq ($(CONFIG_ARCH_EBSA110
),y
)
219 # This is what happens if you forget the IOCS16 line.
220 # PCMCIA cards stop working.
221 CFLAGS_3c589_cs.o
:=-DISA_SIXTEEN_BIT_PERIPHERAL
222 export CFLAGS_3c589_cs.o
225 # The byte offset of the kernel image in RAM from the start of RAM.
226 TEXT_OFFSET
:= $(textofs-y
)
228 # The first directory contains additional information for the boot setup code
229 ifneq ($(machine-y
),)
230 MACHINE
:= arch
/arm
/mach-
$(word 1,$(machine-y
))/
235 machdirs
:= $(patsubst %,arch
/arm
/mach-
%/,$(machine-y
))
236 platdirs
:= $(patsubst %,arch
/arm
/plat-
%/,$(plat-y
))
238 ifeq ($(KBUILD_SRC
),)
239 KBUILD_CPPFLAGS
+= $(patsubst %,-I
%include,$(machdirs
) $(platdirs
))
241 KBUILD_CPPFLAGS
+= $(patsubst %,-I
$(srctree
)/%include,$(machdirs
) $(platdirs
))
244 export TEXT_OFFSET GZFLAGS MMUEXT
246 # Do we have FASTFPE?
247 FASTFPE
:=arch
/arm
/fastfpe
248 ifeq ($(FASTFPE
),$(wildcard $(FASTFPE
)))
249 FASTFPE_OBJ
:=$(FASTFPE
)/
252 core-
$(CONFIG_FPE_NWFPE
) += arch
/arm
/nwfpe
/
253 core-
$(CONFIG_FPE_FASTFPE
) += $(FASTFPE_OBJ
)
254 core-
$(CONFIG_VFP
) += arch
/arm
/vfp
/
256 # If we have a machine-specific directory, then include it in the build.
257 core-y
+= arch
/arm
/kernel
/ arch
/arm
/mm
/ arch
/arm
/common
/
258 core-y
+= $(machdirs
) $(platdirs
)
260 drivers-
$(CONFIG_OPROFILE
) += arch
/arm
/oprofile
/
262 libs-y
:= arch
/arm
/lib
/ $(libs-y
)
264 # Default target when executing plain make
265 ifeq ($(CONFIG_XIP_KERNEL
),y
)
266 KBUILD_IMAGE
:= xipImage
268 KBUILD_IMAGE
:= zImage
273 boot
:= arch
/arm
/boot
276 $(Q
)$(MAKE
) $(build
)=arch
/arm
/tools
include/generated
/mach-types.h
278 # Convert bzImage to zImage
281 zImage Image xipImage bootpImage uImage
: vmlinux
282 $(Q
)$(MAKE
) $(build
)=$(boot
) MACHINE
=$(MACHINE
) $(boot
)/$@
284 zinstall uinstall
install: vmlinux
285 $(Q
)$(MAKE
) $(build
)=$(boot
) MACHINE
=$(MACHINE
) $@
288 $(Q
)$(MAKE
) $(build
)=$(boot
) MACHINE
=$(MACHINE
) $(boot
)/$@
291 $(Q
)$(MAKE
) $(build
)=$(boot
) MACHINE
=$(MACHINE
) $(boot
)/$@
293 # We use MRPROPER_FILES and CLEAN_FILES now
295 $(Q
)$(MAKE
) $(clean)=$(boot
)
297 # My testing targets (bypasses dependencies)
298 bp
:; $(Q
)$(MAKE
) $(build
)=$(boot
) MACHINE
=$(MACHINE
) $(boot
)/bootpImage
299 i zi
:; $(Q
)$(MAKE
) $(build
)=$(boot
) MACHINE
=$(MACHINE
) $@
303 echo
'* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
304 echo
' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
305 echo
'* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
306 echo
' uImage - U-Boot wrapped zImage'
307 echo
' bootpImage - Combined zImage and initial RAM disk'
308 echo
' (supply initrd image via make variable INITRD=<path>)'
309 echo
' dtbs - Build device tree blobs for enabled boards'
310 echo
' install - Install uncompressed kernel'
311 echo
' zinstall - Install compressed kernel'
312 echo
' uinstall - Install U-Boot wrapped compressed kernel'
313 echo
' Install using (your) ~/bin/$(INSTALLKERNEL) or'
314 echo
' (distribution) /sbin/$(INSTALLKERNEL) or'
315 echo
' install to $$(INSTALL_PATH) and run lilo'