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# Never generate .eh_frame 25KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) 26 27# Do not use arch/arm/defconfig - it's always outdated. 28# Select a platform tht is kept up-to-date 29KBUILD_DEFCONFIG := versatile_defconfig 30 31# defines filename extension depending memory management type. 32ifeq ($(CONFIG_MMU),) 33MMUEXT := -nommu 34endif 35 36ifeq ($(CONFIG_FRAME_POINTER),y) 37KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog 38endif 39 40ifeq ($(CONFIG_CC_STACKPROTECTOR),y) 41KBUILD_CFLAGS +=-fstack-protector 42endif 43 44ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) 45KBUILD_CPPFLAGS += -mbig-endian 46AS += -EB 47LD += -EB 48else 49KBUILD_CPPFLAGS += -mlittle-endian 50AS += -EL 51LD += -EL 52endif 53 54comma = , 55 56# This selects which instruction set is used. 57# Note that GCC does not numerically define an architecture version 58# macro, but instead defines a whole series of macros which makes 59# testing for a specific architecture or later rather impossible. 60arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a) 61arch-$(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 64ifeq ($(CONFIG_CPU_32v6),y) 65arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) 66endif 67arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) 68arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t 69arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 70arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 71 72# This selects how we optimise for the processor. 73tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610 74tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710 75tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi 76tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi 77tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi 78tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi 79tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi 80tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi) 81tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi 82tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi 83tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi 84tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi 85tune-$(CONFIG_CPU_FA526) :=-mtune=arm9tdmi 86tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 87tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 88tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale 89tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale 90tune-$(CONFIG_CPU_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale) 91tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) 92 93ifeq ($(CONFIG_AEABI),y) 94CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork 95else 96CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) 97endif 98 99ifeq ($(CONFIG_ARM_UNWIND),y) 100CFLAGS_ABI +=-funwind-tables 101endif 102 103ifeq ($(CONFIG_THUMB2_KERNEL),y) 104AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it) 105AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W) 106CFLAGS_THUMB2 :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN) 107AFLAGS_THUMB2 :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb 108endif 109 110# Need -Uarm for gcc < 3.x 111KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_THUMB2) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm 112KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_THUMB2) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float 113 114CHECKFLAGS += -D__arm__ 115 116#Default value 117head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o 118textofs-y := 0x00008000 119textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000 120# We don't want the htc bootloader to corrupt kernel during resume 121textofs-$(CONFIG_PM_H1940) := 0x00108000 122# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory 123ifeq ($(CONFIG_ARCH_SA1100),y) 124textofs-$(CONFIG_SA1111) := 0x00208000 125endif 126 127# Machine directory name. This list is sorted alphanumerically 128# by CONFIG_* macro name. 129machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 130machine-$(CONFIG_ARCH_AT91) := at91 131machine-$(CONFIG_ARCH_BCMRING) := bcmring 132machine-$(CONFIG_ARCH_CLPS711X) := clps711x 133machine-$(CONFIG_ARCH_CNS3XXX) := cns3xxx 134machine-$(CONFIG_ARCH_DAVINCI) := davinci 135machine-$(CONFIG_ARCH_DOVE) := dove 136machine-$(CONFIG_ARCH_EBSA110) := ebsa110 137machine-$(CONFIG_ARCH_EP93XX) := ep93xx 138machine-$(CONFIG_ARCH_GEMINI) := gemini 139machine-$(CONFIG_ARCH_H720X) := h720x 140machine-$(CONFIG_ARCH_INTEGRATOR) := integrator 141machine-$(CONFIG_ARCH_IOP13XX) := iop13xx 142machine-$(CONFIG_ARCH_IOP32X) := iop32x 143machine-$(CONFIG_ARCH_IOP33X) := iop33x 144machine-$(CONFIG_ARCH_IXP2000) := ixp2000 145machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx 146machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx 147machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood 148machine-$(CONFIG_ARCH_KS8695) := ks8695 149machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x 150machine-$(CONFIG_ARCH_LOKI) := loki 151machine-$(CONFIG_ARCH_LPC32XX) := lpc32xx 152machine-$(CONFIG_ARCH_MMP) := mmp 153machine-$(CONFIG_ARCH_MSM) := msm 154machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 155machine-$(CONFIG_ARCH_MX1) := imx 156machine-$(CONFIG_ARCH_MX2) := imx 157machine-$(CONFIG_ARCH_MX25) := mx25 158machine-$(CONFIG_ARCH_MX3) := mx3 159machine-$(CONFIG_ARCH_MX5) := mx5 160machine-$(CONFIG_ARCH_MXC91231) := mxc91231 161machine-$(CONFIG_ARCH_NETX) := netx 162machine-$(CONFIG_ARCH_NOMADIK) := nomadik 163machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx 164machine-$(CONFIG_ARCH_OMAP1) := omap1 165machine-$(CONFIG_ARCH_OMAP2) := omap2 166machine-$(CONFIG_ARCH_OMAP3) := omap2 167machine-$(CONFIG_ARCH_OMAP4) := omap2 168machine-$(CONFIG_ARCH_ORION5X) := orion5x 169machine-$(CONFIG_ARCH_PNX4008) := pnx4008 170machine-$(CONFIG_ARCH_PXA) := pxa 171machine-$(CONFIG_ARCH_REALVIEW) := realview 172machine-$(CONFIG_ARCH_RPC) := rpc 173machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2416 s3c2440 s3c2443 174machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0 175machine-$(CONFIG_ARCH_S3C64XX) := s3c64xx 176machine-$(CONFIG_ARCH_S5P6440) := s5p6440 177machine-$(CONFIG_ARCH_S5P6442) := s5p6442 178machine-$(CONFIG_ARCH_S5PC100) := s5pc100 179machine-$(CONFIG_ARCH_S5PV210) := s5pv210 180machine-$(CONFIG_ARCH_S5PV310) := s5pv310 181machine-$(CONFIG_ARCH_SA1100) := sa1100 182machine-$(CONFIG_ARCH_SHARK) := shark 183machine-$(CONFIG_ARCH_SHMOBILE) := shmobile 184machine-$(CONFIG_ARCH_STMP378X) := stmp378x 185machine-$(CONFIG_ARCH_STMP37XX) := stmp37xx 186machine-$(CONFIG_ARCH_TEGRA) := tegra 187machine-$(CONFIG_ARCH_U300) := u300 188machine-$(CONFIG_ARCH_U8500) := ux500 189machine-$(CONFIG_ARCH_VERSATILE) := versatile 190machine-$(CONFIG_ARCH_VEXPRESS) := vexpress 191machine-$(CONFIG_ARCH_W90X900) := w90x900 192machine-$(CONFIG_ARCH_NUC93X) := nuc93x 193machine-$(CONFIG_FOOTBRIDGE) := footbridge 194machine-$(CONFIG_MACH_SPEAR300) := spear3xx 195machine-$(CONFIG_MACH_SPEAR310) := spear3xx 196machine-$(CONFIG_MACH_SPEAR320) := spear3xx 197machine-$(CONFIG_MACH_SPEAR600) := spear6xx 198 199# Platform directory name. This list is sorted alphanumerically 200# by CONFIG_* macro name. 201plat-$(CONFIG_ARCH_MXC) := mxc 202plat-$(CONFIG_ARCH_OMAP) := omap 203plat-$(CONFIG_ARCH_S3C64XX) := samsung 204plat-$(CONFIG_ARCH_STMP3XXX) := stmp3xxx 205plat-$(CONFIG_PLAT_IOP) := iop 206plat-$(CONFIG_PLAT_NOMADIK) := nomadik 207plat-$(CONFIG_PLAT_ORION) := orion 208plat-$(CONFIG_PLAT_PXA) := pxa 209plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx samsung 210plat-$(CONFIG_PLAT_S5P) := s5p samsung 211plat-$(CONFIG_PLAT_SPEAR) := spear 212plat-$(CONFIG_PLAT_VERSATILE) := versatile 213 214ifeq ($(CONFIG_ARCH_EBSA110),y) 215# This is what happens if you forget the IOCS16 line. 216# PCMCIA cards stop working. 217CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL 218export CFLAGS_3c589_cs.o 219endif 220 221# The byte offset of the kernel image in RAM from the start of RAM. 222TEXT_OFFSET := $(textofs-y) 223 224# The first directory contains additional information for the boot setup code 225ifneq ($(machine-y),) 226MACHINE := arch/arm/mach-$(word 1,$(machine-y))/ 227else 228MACHINE := 229endif 230 231machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) 232platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y)) 233 234ifeq ($(KBUILD_SRC),) 235KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs)) 236else 237KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs)) 238endif 239 240export TEXT_OFFSET GZFLAGS MMUEXT 241 242# Do we have FASTFPE? 243FASTFPE :=arch/arm/fastfpe 244ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) 245FASTFPE_OBJ :=$(FASTFPE)/ 246endif 247 248# If we have a machine-specific directory, then include it in the build. 249core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ 250core-y += $(machdirs) $(platdirs) 251core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ 252core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) 253core-$(CONFIG_VFP) += arch/arm/vfp/ 254 255drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ 256 257libs-y := arch/arm/lib/ $(libs-y) 258 259# Default target when executing plain make 260ifeq ($(CONFIG_XIP_KERNEL),y) 261KBUILD_IMAGE := xipImage 262else 263KBUILD_IMAGE := zImage 264endif 265 266all: $(KBUILD_IMAGE) 267 268boot := arch/arm/boot 269 270archprepare: 271 $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/mach-types.h 272 273# Convert bzImage to zImage 274bzImage: zImage 275 276zImage Image xipImage bootpImage uImage: vmlinux 277 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ 278 279zinstall install: vmlinux 280 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ 281 282# We use MRPROPER_FILES and CLEAN_FILES now 283archclean: 284 $(Q)$(MAKE) $(clean)=$(boot) 285 286# My testing targets (bypasses dependencies) 287bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage 288i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ 289 290 291define archhelp 292 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' 293 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' 294 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' 295 echo ' uImage - U-Boot wrapped zImage' 296 echo ' bootpImage - Combined zImage and initial RAM disk' 297 echo ' (supply initrd image via make variable INITRD=<path>)' 298 echo ' install - Install uncompressed kernel' 299 echo ' zinstall - Install compressed kernel' 300 echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or' 301 echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 302 echo ' install to $$(INSTALL_PATH) and run lilo' 303endef 304