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27 # Do not use arch/arm/defconfig - it's always outdated.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 := 0x00408000
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
132 # Machine directory name. This list is sorted alphanumerically
133 # by CONFIG_* macro name.
134 machine-$(CONFIG_ARCH_AT91) := at91
135 machine-$(CONFIG_ARCH_BCMRING) := bcmring
136 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
137 machine-$(CONFIG_ARCH_CNS3XXX) := cns3xxx
138 machine-$(CONFIG_ARCH_DAVINCI) := davinci
139 machine-$(CONFIG_ARCH_DOVE) := dove
140 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
141 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
142 machine-$(CONFIG_ARCH_GEMINI) := gemini
143 machine-$(CONFIG_ARCH_H720X) := h720x
144 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
145 machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
146 machine-$(CONFIG_ARCH_IOP32X) := iop32x
147 machine-$(CONFIG_ARCH_IOP33X) := iop33x
148 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
149 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
150 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
151 machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
152 machine-$(CONFIG_ARCH_KS8695) := ks8695
153 machine-$(CONFIG_ARCH_LOKI) := loki
154 machine-$(CONFIG_ARCH_LPC32XX) := lpc32xx
155 machine-$(CONFIG_ARCH_MMP) := mmp
156 machine-$(CONFIG_ARCH_MSM) := msm
157 machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
158 machine-$(CONFIG_ARCH_MX1) := imx
159 machine-$(CONFIG_ARCH_MX2) := imx
160 machine-$(CONFIG_ARCH_MX25) := imx
161 machine-$(CONFIG_ARCH_MX3) := imx
162 machine-$(CONFIG_ARCH_MX5) := mx5
163 machine-$(CONFIG_ARCH_MXS) := mxs
164 machine-$(CONFIG_ARCH_NETX) := netx
165 machine-$(CONFIG_ARCH_NOMADIK) := nomadik
166 machine-$(CONFIG_ARCH_OMAP1) := omap1
167 machine-$(CONFIG_ARCH_OMAP2) := omap2
168 machine-$(CONFIG_ARCH_OMAP3) := omap2
169 machine-$(CONFIG_ARCH_OMAP4) := omap2
170 machine-$(CONFIG_ARCH_ORION5X) := orion5x
171 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
172 machine-$(CONFIG_ARCH_PXA) := pxa
173 machine-$(CONFIG_ARCH_REALVIEW) := realview
174 machine-$(CONFIG_ARCH_RK29) := rk29
175 machine-$(CONFIG_ARCH_RK30) := rk30
176 machine-$(CONFIG_ARCH_RPC) := rpc
177 machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2416 s3c2440 s3c2443
178 machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0
179 machine-$(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_ARCH_NUC93X) := nuc93x
196 machine-$(CONFIG_FOOTBRIDGE) := footbridge
197 machine-$(CONFIG_MACH_SPEAR300) := spear3xx
198 machine-$(CONFIG_MACH_SPEAR310) := spear3xx
199 machine-$(CONFIG_MACH_SPEAR320) := spear3xx
200 machine-$(CONFIG_MACH_SPEAR600) := spear6xx
202 # Platform directory name. This list is sorted alphanumerically
203 # by CONFIG_* macro name.
204 plat-$(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_PLAT_IOP) := iop
209 plat-$(CONFIG_PLAT_NOMADIK) := nomadik
210 plat-$(CONFIG_PLAT_ORION) := orion
211 plat-$(CONFIG_PLAT_PXA) := pxa
212 plat-$(CONFIG_PLAT_RK) := rk
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) $@
287 # We use MRPROPER_FILES and CLEAN_FILES now
289 $(Q)$(MAKE) $(clean)=$(boot)
291 # My testing targets (bypasses dependencies)
292 bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
293 i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
295 PHONY += kernel.img zkernel.img
297 ifdef CONFIG_MACH_RK29_2906
298 kernel.img: Image FORCE
299 $(Q)$(srctree)/mkkrnlimg $(obj)/arch/arm/boot/Image $(obj)/kernel.img RK2906
300 @echo ' RK2906 Image: $@ is ready'
302 kernel.img: Image FORCE
303 $(Q)$(srctree)/mkkrnlimg $(obj)/arch/arm/boot/Image $(obj)/kernel.img
304 @echo ' Image: $@ is ready'
307 zkernel.img: zImage FORCE
308 $(Q)$(srctree)/mkkrnlimg $(obj)/arch/arm/boot/zImage $(obj)/kernel.img
309 @echo ' Image: kernel.img is ready'
311 ANDROID_RAMDISK_IMG := $(shell echo $(OUT) | sed -e 's/^.*\/out\/target\/product\//out\/target\/product\//')/ramdisk.img
312 ANDROID_DIR := $(shell cd $(OUT)/../../../../ && pwd)
313 ANDROID_PROCESSORS := $(shell grep 'processor' /proc/cpuinfo | wc -l)
315 $(Q)test -n "$(OUT)" || (echo "Run 'cd .. && . build/envsetup.sh && setpaths && cd -' first to build boot.img"; /bin/false)
316 $(Q)test -n "`which mkbootimg`" || (echo "No mkbootimg, try build..." && sudo -u `whoami` $(MAKE) -j$(ANDROID_PROCESSORS) -C $(ANDROID_DIR) mkbootimg $(ANDROID_RAMDISK_IMG))
317 $(Q)test -e $(OUT)/ramdisk.img || (echo "No $(OUT)/ramdisk.img, try build..." && sudo -u `whoami` $(MAKE) -j$(ANDROID_PROCESSORS) -C $(ANDROID_DIR) $(ANDROID_RAMDISK_IMG))
319 PHONY += bootimg boot.img
320 bootimg boot.img: zImage checkandroid FORCE
321 $(Q)cp -a $(obj)/arch/arm/boot/zImage $(OUT)/kernel
322 $(Q)mkbootimg --kernel $(OUT)/kernel --ramdisk $(OUT)/ramdisk.img --output $(OUT)/boot.img
323 @echo ' Image: $(OUT)/boot.img is ready'
324 $Q[ -d $(ANDROID_DIR)/rockdev/Image/ ] && cp -a $(OUT)/boot.img $(ANDROID_DIR)/rockdev/Image/ && echo ' Image: $(ANDROID_DIR)/rockdev/Image/boot.img is ready' || /bin/true
327 echo ' kernel.img - Rockchip kernel image'
328 echo ' zkernel.img - Compressed Rockchip kernel image'
330 echo ' bootimg - Android boot image'
331 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
332 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
333 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
334 echo ' uImage - U-Boot wrapped zImage'
335 echo ' bootpImage - Combined zImage and initial RAM disk'
336 echo ' (supply initrd image via make variable INITRD=<path>)'
337 echo ' install - Install uncompressed kernel'
338 echo ' zinstall - Install compressed kernel'
339 echo ' uinstall - Install U-Boot wrapped compressed kernel'
340 echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or'
341 echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
342 echo ' install to $$(INSTALL_PATH) and run lilo'