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 13LDFLAGS_vmlinux :=-p --no-undefined -X 14ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) 15LDFLAGS_vmlinux += --be8 16endif 17 18OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S 19GZFLAGS :=-9 20#KBUILD_CFLAGS +=-pipe 21# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: 22KBUILD_CFLAGS +=$(call cc-option,-marm,) 23 24# Do not use arch/arm/defconfig - it's always outdated. 25# Select a platform tht is kept up-to-date 26KBUILD_DEFCONFIG := versatile_defconfig 27 28# defines filename extension depending memory management type. 29ifeq ($(CONFIG_MMU),) 30MMUEXT := -nommu 31endif 32 33ifeq ($(CONFIG_FRAME_POINTER),y) 34KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog 35endif 36 37ifeq ($(CONFIG_CC_STACKPROTECTOR),y) 38KBUILD_CFLAGS +=-fstack-protector 39endif 40 41ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) 42KBUILD_CPPFLAGS += -mbig-endian 43AS += -EB 44LD += -EB 45else 46KBUILD_CPPFLAGS += -mlittle-endian 47AS += -EL 48LD += -EL 49endif 50 51comma = , 52 53# This selects which instruction set is used. 54# Note that GCC does not numerically define an architecture version 55# macro, but instead defines a whole series of macros which makes 56# testing for a specific architecture or later rather impossible. 57arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a) 58arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) 59# Only override the compiler option if ARMv6. The ARMv6K extensions are 60# always available in ARMv7 61ifeq ($(CONFIG_CPU_32v6),y) 62arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) 63endif 64arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) 65arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t 66arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 67arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 68 69# This selects how we optimise for the processor. 70tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610 71tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710 72tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi 73tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi 74tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi 75tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi 76tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi 77tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi) 78tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi 79tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi 80tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi 81tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi 82tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi 83tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 84tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 85tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale 86tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale 87tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale) 88tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) 89 90ifeq ($(CONFIG_AEABI),y) 91CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork 92else 93CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) 94endif 95 96ifeq ($(CONFIG_ARM_UNWIND),y) 97CFLAGS_ABI +=-funwind-tables 98endif 99 100ifeq ($(CONFIG_THUMB2_KERNEL),y) 101AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it) 102AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W) 103CFLAGS_THUMB2 :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN) 104AFLAGS_THUMB2 :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb 105endif 106 107# Need -Uarm for gcc < 3.x 108KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_THUMB2) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm 109KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_THUMB2) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float 110 111CHECKFLAGS += -D__arm__ 112 113#Default value 114head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o 115textofs-y := 0x00008000 116textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000 117# We don't want the htc bootloader to corrupt kernel during resume 118textofs-$(CONFIG_PM_H1940) := 0x00108000 119# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory 120ifeq ($(CONFIG_ARCH_SA1100),y) 121textofs-$(CONFIG_SA1111) := 0x00208000 122endif 123 124# Machine directory name. This list is sorted alphanumerically 125# by CONFIG_* macro name. 126machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 127machine-$(CONFIG_ARCH_AT91) := at91 128machine-$(CONFIG_ARCH_BCMRING) := bcmring 129machine-$(CONFIG_ARCH_CLPS711X) := clps711x 130machine-$(CONFIG_ARCH_CNS3XXX) := cns3xxx 131machine-$(CONFIG_ARCH_DAVINCI) := davinci 132machine-$(CONFIG_ARCH_DOVE) := dove 133machine-$(CONFIG_ARCH_EBSA110) := ebsa110 134machine-$(CONFIG_ARCH_EP93XX) := ep93xx 135machine-$(CONFIG_ARCH_GEMINI) := gemini 136machine-$(CONFIG_ARCH_H720X) := h720x 137machine-$(CONFIG_ARCH_INTEGRATOR) := integrator 138machine-$(CONFIG_ARCH_IOP13XX) := iop13xx 139machine-$(CONFIG_ARCH_IOP32X) := iop32x 140machine-$(CONFIG_ARCH_IOP33X) := iop33x 141machine-$(CONFIG_ARCH_IXP2000) := ixp2000 142machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx 143machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx 144machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood 145machine-$(CONFIG_ARCH_KS8695) := ks8695 146machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x 147machine-$(CONFIG_ARCH_LOKI) := loki 148machine-$(CONFIG_ARCH_LPC32XX) := lpc32xx 149machine-$(CONFIG_ARCH_MMP) := mmp 150machine-$(CONFIG_ARCH_MSM) := msm 151machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 152machine-$(CONFIG_ARCH_MX1) := imx 153machine-$(CONFIG_ARCH_MX2) := imx 154machine-$(CONFIG_ARCH_MX25) := mx25 155machine-$(CONFIG_ARCH_MX3) := mx3 156machine-$(CONFIG_ARCH_MX5) := mx5 157machine-$(CONFIG_ARCH_MXC91231) := mxc91231 158machine-$(CONFIG_ARCH_NETX) := netx 159machine-$(CONFIG_ARCH_NOMADIK) := nomadik 160machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx 161machine-$(CONFIG_ARCH_OMAP1) := omap1 162machine-$(CONFIG_ARCH_OMAP2) := omap2 163machine-$(CONFIG_ARCH_OMAP3) := omap2 164machine-$(CONFIG_ARCH_OMAP4) := omap2 165machine-$(CONFIG_ARCH_ORION5X) := orion5x 166machine-$(CONFIG_ARCH_PNX4008) := pnx4008 167machine-$(CONFIG_ARCH_PXA) := pxa 168machine-$(CONFIG_ARCH_REALVIEW) := realview 169machine-$(CONFIG_ARCH_RPC) := rpc 170machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2416 s3c2440 s3c2443 171machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0 172machine-$(CONFIG_ARCH_S3C64XX) := s3c64xx 173machine-$(CONFIG_ARCH_S5P6440) := s5p6440 174machine-$(CONFIG_ARCH_S5P6442) := s5p6442 175machine-$(CONFIG_ARCH_S5PC100) := s5pc100 176machine-$(CONFIG_ARCH_S5PV210) := s5pv210 177machine-$(CONFIG_ARCH_SA1100) := sa1100 178machine-$(CONFIG_ARCH_SHARK) := shark 179machine-$(CONFIG_ARCH_SHMOBILE) := shmobile 180machine-$(CONFIG_ARCH_STMP378X) := stmp378x 181machine-$(CONFIG_ARCH_STMP37XX) := stmp37xx 182machine-$(CONFIG_ARCH_TEGRA) := tegra 183machine-$(CONFIG_ARCH_U300) := u300 184machine-$(CONFIG_ARCH_U8500) := ux500 185machine-$(CONFIG_ARCH_VERSATILE) := versatile 186machine-$(CONFIG_ARCH_VEXPRESS) := vexpress 187machine-$(CONFIG_ARCH_W90X900) := w90x900 188machine-$(CONFIG_ARCH_NUC93X) := nuc93x 189machine-$(CONFIG_FOOTBRIDGE) := footbridge 190machine-$(CONFIG_MACH_SPEAR300) := spear3xx 191machine-$(CONFIG_MACH_SPEAR310) := spear3xx 192machine-$(CONFIG_MACH_SPEAR320) := spear3xx 193machine-$(CONFIG_MACH_SPEAR600) := spear6xx 194 195# Platform directory name. This list is sorted alphanumerically 196# by CONFIG_* macro name. 197plat-$(CONFIG_ARCH_MXC) := mxc 198plat-$(CONFIG_ARCH_OMAP) := omap 199plat-$(CONFIG_ARCH_S3C64XX) := samsung 200plat-$(CONFIG_ARCH_STMP3XXX) := stmp3xxx 201plat-$(CONFIG_PLAT_IOP) := iop 202plat-$(CONFIG_PLAT_NOMADIK) := nomadik 203plat-$(CONFIG_PLAT_ORION) := orion 204plat-$(CONFIG_PLAT_PXA) := pxa 205plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx samsung 206plat-$(CONFIG_PLAT_S5P) := s5p samsung 207plat-$(CONFIG_PLAT_SPEAR) := spear 208plat-$(CONFIG_PLAT_VERSATILE) := versatile 209 210ifeq ($(CONFIG_ARCH_EBSA110),y) 211# This is what happens if you forget the IOCS16 line. 212# PCMCIA cards stop working. 213CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL 214export CFLAGS_3c589_cs.o 215endif 216 217# The byte offset of the kernel image in RAM from the start of RAM. 218TEXT_OFFSET := $(textofs-y) 219 220# The first directory contains additional information for the boot setup code 221ifneq ($(machine-y),) 222MACHINE := arch/arm/mach-$(word 1,$(machine-y))/ 223else 224MACHINE := 225endif 226 227machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) 228platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y)) 229 230ifeq ($(KBUILD_SRC),) 231KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs)) 232else 233KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs)) 234endif 235 236export TEXT_OFFSET GZFLAGS MMUEXT 237 238# Do we have FASTFPE? 239FASTFPE :=arch/arm/fastfpe 240ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) 241FASTFPE_OBJ :=$(FASTFPE)/ 242endif 243 244# If we have a machine-specific directory, then include it in the build. 245core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ 246core-y += $(machdirs) $(platdirs) 247core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ 248core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) 249core-$(CONFIG_VFP) += arch/arm/vfp/ 250 251drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ 252 253libs-y := arch/arm/lib/ $(libs-y) 254 255# Default target when executing plain make 256ifeq ($(CONFIG_XIP_KERNEL),y) 257KBUILD_IMAGE := xipImage 258else 259KBUILD_IMAGE := zImage 260endif 261 262all: $(KBUILD_IMAGE) 263 264boot := arch/arm/boot 265 266archprepare: 267 $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h 268 269# Convert bzImage to zImage 270bzImage: zImage 271 272zImage Image xipImage bootpImage uImage: vmlinux 273 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ 274 275zinstall install: vmlinux 276 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ 277 278# We use MRPROPER_FILES and CLEAN_FILES now 279archclean: 280 $(Q)$(MAKE) $(clean)=$(boot) 281 282# My testing targets (bypasses dependencies) 283bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage 284i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ 285 286 287define archhelp 288 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' 289 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' 290 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' 291 echo ' uImage - U-Boot wrapped zImage' 292 echo ' bootpImage - Combined zImage and initial RAM disk' 293 echo ' (supply initrd image via make variable INITRD=<path>)' 294 echo ' install - Install uncompressed kernel' 295 echo ' zinstall - Install compressed kernel' 296 echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or' 297 echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 298 echo ' install to $$(INSTALL_PATH) and run lilo' 299endef 300