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27 # Do not use arch/arm/defconfig - it's always outdated.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-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
74 tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
75 tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
76 tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
77 tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
78 tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
79 tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
80 tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
81 tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
82 tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
83 tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi
84 tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
85 tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
86 tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
87 tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
88 tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale)
89 tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
90 tune-$(CONFIG_CPU_V6K) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
92 ifeq ($(CONFIG_AEABI),y)
93 CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
95 CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
98 ifeq ($(CONFIG_ARM_UNWIND),y)
99 CFLAGS_ABI +=-funwind-tables
102 ifeq ($(CONFIG_THUMB2_KERNEL),y)
103 AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
104 AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
105 CFLAGS_THUMB2 :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
106 AFLAGS_THUMB2 :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb
107 # Work around buggy relocation from gas if requested:
108 ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y)
109 CFLAGS_MODULE +=-fno-optimize-sibling-calls
113 # Need -Uarm for gcc < 3.x
114 KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_THUMB2) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
115 KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_THUMB2) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float
117 CHECKFLAGS += -D__arm__
120 head-y := arch/arm/kernel/head$(MMUEXT).o
121 textofs-y := 0x00008000
122 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
123 # We don't want the htc bootloader to corrupt kernel during resume
124 textofs-$(CONFIG_PM_H1940) := 0x00108000
125 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
126 ifeq ($(CONFIG_ARCH_SA1100),y)
127 textofs-$(CONFIG_SA1111) := 0x00208000
129 textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000
130 textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
131 textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
133 # Machine directory name. This list is sorted alphanumerically
134 # by CONFIG_* macro name.
135 machine-$(CONFIG_ARCH_AT91) := at91
136 machine-$(CONFIG_ARCH_BCMRING) := bcmring
137 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
138 machine-$(CONFIG_ARCH_CNS3XXX) := cns3xxx
139 machine-$(CONFIG_ARCH_DAVINCI) := davinci
140 machine-$(CONFIG_ARCH_DOVE) := dove
141 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
142 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
143 machine-$(CONFIG_ARCH_GEMINI) := gemini
144 machine-$(CONFIG_ARCH_H720X) := h720x
145 machine-$(CONFIG_ARCH_HIGHBANK) := highbank
146 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
147 machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
148 machine-$(CONFIG_ARCH_IOP32X) := iop32x
149 machine-$(CONFIG_ARCH_IOP33X) := iop33x
150 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
151 machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
152 machine-$(CONFIG_ARCH_KS8695) := ks8695
153 machine-$(CONFIG_ARCH_LPC32XX) := lpc32xx
154 machine-$(CONFIG_ARCH_MMP) := mmp
155 machine-$(CONFIG_ARCH_MSM) := msm
156 machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
157 machine-$(CONFIG_ARCH_IMX_V4_V5) := imx
158 machine-$(CONFIG_ARCH_IMX_V6_V7) := imx
159 machine-$(CONFIG_ARCH_MXS) := mxs
160 machine-$(CONFIG_ARCH_NETX) := netx
161 machine-$(CONFIG_ARCH_NOMADIK) := nomadik
162 machine-$(CONFIG_ARCH_OMAP1) := omap1
163 machine-$(CONFIG_ARCH_OMAP2PLUS) := omap2
164 machine-$(CONFIG_ARCH_ORION5X) := orion5x
165 machine-$(CONFIG_ARCH_PICOXCELL) := picoxcell
166 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
167 machine-$(CONFIG_ARCH_PRIMA2) := prima2
168 machine-$(CONFIG_ARCH_PXA) := pxa
169 machine-$(CONFIG_ARCH_REALVIEW) := realview
170 machine-$(CONFIG_ARCH_RPC) := rpc
171 machine-$(CONFIG_ARCH_S3C24XX) := s3c24xx s3c2412 s3c2440
172 machine-$(CONFIG_ARCH_S3C64XX) := s3c64xx
173 machine-$(CONFIG_ARCH_S5P64X0) := s5p64x0
174 machine-$(CONFIG_ARCH_S5PC100) := s5pc100
175 machine-$(CONFIG_ARCH_S5PV210) := s5pv210
176 machine-$(CONFIG_ARCH_EXYNOS4) := exynos
177 machine-$(CONFIG_ARCH_EXYNOS5) := exynos
178 machine-$(CONFIG_ARCH_SA1100) := sa1100
179 machine-$(CONFIG_ARCH_SHARK) := shark
180 machine-$(CONFIG_ARCH_SHMOBILE) := shmobile
181 machine-$(CONFIG_ARCH_TEGRA) := tegra
182 machine-$(CONFIG_ARCH_U300) := u300
183 machine-$(CONFIG_ARCH_U8500) := ux500
184 machine-$(CONFIG_ARCH_VERSATILE) := versatile
185 machine-$(CONFIG_ARCH_VEXPRESS) := vexpress
186 machine-$(CONFIG_ARCH_VT8500) := vt8500
187 machine-$(CONFIG_ARCH_W90X900) := w90x900
188 machine-$(CONFIG_FOOTBRIDGE) := footbridge
189 machine-$(CONFIG_MACH_SPEAR1310) := spear13xx
190 machine-$(CONFIG_MACH_SPEAR1340) := spear13xx
191 machine-$(CONFIG_MACH_SPEAR300) := spear3xx
192 machine-$(CONFIG_MACH_SPEAR310) := spear3xx
193 machine-$(CONFIG_MACH_SPEAR320) := spear3xx
194 machine-$(CONFIG_MACH_SPEAR600) := spear6xx
195 machine-$(CONFIG_ARCH_ZYNQ) := zynq
197 # Platform directory name. This list is sorted alphanumerically
198 # by CONFIG_* macro name.
199 plat-$(CONFIG_ARCH_MXC) := mxc
200 plat-$(CONFIG_ARCH_OMAP) := omap
201 plat-$(CONFIG_ARCH_S3C64XX) := samsung
202 plat-$(CONFIG_ARCH_ZYNQ) := versatile
203 plat-$(CONFIG_PLAT_IOP) := iop
204 plat-$(CONFIG_PLAT_NOMADIK) := nomadik
205 plat-$(CONFIG_PLAT_ORION) := orion
206 plat-$(CONFIG_PLAT_PXA) := pxa
207 plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx samsung
208 plat-$(CONFIG_PLAT_S5P) := samsung
209 plat-$(CONFIG_PLAT_SPEAR) := spear
210 plat-$(CONFIG_PLAT_VERSATILE) := versatile
212 ifeq ($(CONFIG_ARCH_EBSA110),y)
213 # This is what happens if you forget the IOCS16 line.
214 # PCMCIA cards stop working.
215 CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
216 export CFLAGS_3c589_cs.o
219 # The byte offset of the kernel image in RAM from the start of RAM.
220 TEXT_OFFSET := $(textofs-y)
222 # The first directory contains additional information for the boot setup code
223 ifneq ($(machine-y),)
224 MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
229 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
230 platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
232 ifeq ($(KBUILD_SRC),)
233 KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
235 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
238 export TEXT_OFFSET GZFLAGS MMUEXT
240 # Do we have FASTFPE?
241 FASTFPE :=arch/arm/fastfpe
242 ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
243 FASTFPE_OBJ :=$(FASTFPE)/
246 core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
247 core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
248 core-$(CONFIG_VFP) += arch/arm/vfp/
250 # If we have a machine-specific directory, then include it in the build.
251 core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
252 core-y += arch/arm/net/
253 core-y += $(machdirs) $(platdirs)
255 drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
257 libs-y := arch/arm/lib/ $(libs-y)
259 # Default target when executing plain make
260 ifeq ($(CONFIG_XIP_KERNEL),y)
261 KBUILD_IMAGE := xipImage
263 KBUILD_IMAGE := zImage
268 boot := arch/arm/boot
271 $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h
273 # Convert bzImage to zImage
276 zImage Image xipImage bootpImage uImage: vmlinux
277 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
279 zinstall uinstall install: vmlinux
280 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
283 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
286 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
288 # We use MRPROPER_FILES and CLEAN_FILES now
290 $(Q)$(MAKE) $(clean)=$(boot)
292 # My testing targets (bypasses dependencies)
293 bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
294 i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
298 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
299 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
300 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
301 echo ' uImage - U-Boot wrapped zImage'
302 echo ' bootpImage - Combined zImage and initial RAM disk'
303 echo ' (supply initrd image via make variable INITRD=<path>)'
304 echo ' dtbs - Build device tree blobs for enabled boards'
305 echo ' install - Install uncompressed kernel'
306 echo ' zinstall - Install compressed kernel'
307 echo ' uinstall - Install U-Boot wrapped compressed kernel'
308 echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
309 echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
310 echo ' install to $$(INSTALL_PATH) and run lilo'