1# 2# arch/arm/Makefile 3# 4# This file is subject to the terms and conditions of the GNU General Public 5# License. See the file "COPYING" in the main directory of this archive 6# for more details. 7# 8# Copyright (C) 1995-2001 by Russell King 9 10LDFLAGS_vmlinux :=-p --no-undefined -X 11CPPFLAGS_vmlinux.lds = -DKERNEL_RAM_ADDR=$(TEXTADDR) 12OBJCOPYFLAGS :=-O binary -R .note -R .comment -S 13GZFLAGS :=-9 14#CFLAGS +=-pipe 15 16# Do not use arch/arm/defconfig - it's always outdated. 17# Select a platform tht is kept up-to-date 18KBUILD_DEFCONFIG := versatile_defconfig 19 20ifeq ($(CONFIG_FRAME_POINTER),y) 21CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog 22endif 23 24ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) 25CPPFLAGS += -mbig-endian 26AS += -EB 27LD += -EB 28else 29CPPFLAGS += -mlittle-endian 30AS += -EL 31LD += -EL 32endif 33 34comma = , 35 36# This selects which instruction set is used. 37# Note that GCC does not numerically define an architecture version 38# macro, but instead defines a whole series of macros which makes 39# testing for a specific architecture or later rather impossible. 40arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) 41arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) 42arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4) 43arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 44arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 45 46# This selects how we optimise for the processor. 47tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610 48tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710 49tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi 50tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi 51tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi 52tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi 53tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi 54tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 55tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 56tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale 57tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) 58 59# Need -Uarm for gcc < 3.x 60CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) 61CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm 62AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float 63 64CHECKFLAGS += -D__arm__ 65 66#Default value 67head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o 68textaddr-y := 0xC0008000 69 70 machine-$(CONFIG_ARCH_RPC) := rpc 71 machine-$(CONFIG_ARCH_EBSA110) := ebsa110 72 machine-$(CONFIG_ARCH_CLPS7500) := clps7500 73 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500 74 machine-$(CONFIG_FOOTBRIDGE) := footbridge 75 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285 76textaddr-$(CONFIG_ARCH_CO285) := 0x60008000 77 machine-$(CONFIG_ARCH_CO285) := footbridge 78 incdir-$(CONFIG_ARCH_CO285) := ebsa285 79 machine-$(CONFIG_ARCH_SHARK) := shark 80 machine-$(CONFIG_ARCH_SA1100) := sa1100 81ifeq ($(CONFIG_ARCH_SA1100),y) 82# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory 83textaddr-$(CONFIG_SA1111) := 0xc0208000 84endif 85 machine-$(CONFIG_ARCH_PXA) := pxa 86 machine-$(CONFIG_ARCH_L7200) := l7200 87 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator 88 machine-$(CONFIG_ARCH_CAMELOT) := epxa10db 89textaddr-$(CONFIG_ARCH_CLPS711X) := 0xc0028000 90 machine-$(CONFIG_ARCH_CLPS711X) := clps711x 91textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000 92 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx 93 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx 94 machine-$(CONFIG_ARCH_IXP2000) := ixp2000 95 machine-$(CONFIG_ARCH_OMAP1) := omap1 96 incdir-$(CONFIG_ARCH_OMAP) := omap 97 machine-$(CONFIG_ARCH_S3C2410) := s3c2410 98 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x 99 machine-$(CONFIG_ARCH_VERSATILE) := versatile 100 machine-$(CONFIG_ARCH_IMX) := imx 101 machine-$(CONFIG_ARCH_H720X) := h720x 102 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 103 machine-$(CONFIG_ARCH_REALVIEW) := realview 104 105ifeq ($(CONFIG_ARCH_EBSA110),y) 106# This is what happens if you forget the IOCS16 line. 107# PCMCIA cards stop working. 108CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL 109export CFLAGS_3c589_cs.o 110endif 111 112TEXTADDR := $(textaddr-y) 113 114ifeq ($(incdir-y),) 115incdir-y := $(machine-y) 116endif 117INCDIR := arch-$(incdir-y) 118 119ifneq ($(machine-y),) 120MACHINE := arch/arm/mach-$(machine-y)/ 121else 122MACHINE := 123endif 124 125export TEXTADDR GZFLAGS 126 127# Do we have FASTFPE? 128FASTFPE :=arch/arm/fastfpe 129ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) 130FASTFPE_OBJ :=$(FASTFPE)/ 131endif 132 133# If we have a machine-specific directory, then include it in the build. 134core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ 135core-y += $(MACHINE) 136core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ 137core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) 138core-$(CONFIG_VFP) += arch/arm/vfp/ 139 140# If we have a common platform directory, then include it in the build. 141core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/ 142 143drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ 144drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/ 145drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/ 146 147libs-y := arch/arm/lib/ $(libs-y) 148 149# Default target when executing plain make 150ifeq ($(CONFIG_XIP_KERNEL),y) 151all: xipImage 152else 153all: zImage 154endif 155 156boot := arch/arm/boot 157 158# Update machine arch and proc symlinks if something which affects 159# them changed. We use .arch to indicate when they were updated 160# last, otherwise make uses the target directory mtime. 161 162include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER 163 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)' 164ifneq ($(KBUILD_SRC),) 165 $(Q)mkdir -p include/asm-arm 166 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch 167else 168 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch 169endif 170 @touch $@ 171 172archprepare: maketools 173 174.PHONY: maketools FORCE 175maketools: include/linux/version.h include/asm-arm/.arch FORCE 176 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h 177 178# Convert bzImage to zImage 179bzImage: zImage 180 181zImage Image xipImage bootpImage uImage: vmlinux 182 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ 183 184zinstall install: vmlinux 185 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ 186 187CLEAN_FILES += include/asm-arm/mach-types.h \ 188 include/asm-arm/arch include/asm-arm/.arch 189 190# We use MRPROPER_FILES and CLEAN_FILES now 191archclean: 192 $(Q)$(MAKE) $(clean)=$(boot) 193 194# My testing targets (bypasses dependencies) 195bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage 196i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ 197 198 199define archhelp 200 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' 201 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' 202 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' 203 echo ' bootpImage - Combined zImage and initial RAM disk' 204 echo ' (supply initrd image via make variable INITRD=<path>)' 205 echo ' install - Install uncompressed kernel' 206 echo ' zinstall - Install compressed kernel' 207 echo ' Install using (your) ~/bin/installkernel or' 208 echo ' (distribution) /sbin/installkernel or' 209 echo ' install to $$(INSTALL_PATH) and run lilo' 210endef 211