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 = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR) 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:=-O binary -R .note -R .comment -S 13GZFLAGS :=-9 14#CFLAGS +=-pipe 15 16# Do not use arch/arm/defconfig - it's always outdated. 17# Select a platform tht is kept up-to-date 18KBUILD_DEFCONFIG := versatile_defconfig 19 20ifeq ($(CONFIG_FRAME_POINTER),y) 21CFLAGS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_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4) 42arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 43arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 44 45# This selects how we optimise for the processor. 46tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610 47tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710 48tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi 49tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi 50tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi 51tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi 52tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi 53tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 54tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 55tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale 56tune-$(CONFIG_CPU_V6) :=-mtune=strongarm 57 58# Need -Uarm for gcc < 3.x 59CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) 60CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm 61AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float 62 63CHECKFLAGS += -D__arm__ 64 65#Default value 66head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o 67textaddr-y := 0xC0008000 68 69 machine-$(CONFIG_ARCH_RPC) := rpc 70 machine-$(CONFIG_ARCH_EBSA110) := ebsa110 71 machine-$(CONFIG_ARCH_CLPS7500) := clps7500 72 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500 73 machine-$(CONFIG_FOOTBRIDGE) := footbridge 74 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285 75textaddr-$(CONFIG_ARCH_CO285) := 0x60008000 76 machine-$(CONFIG_ARCH_CO285) := footbridge 77 incdir-$(CONFIG_ARCH_CO285) := ebsa285 78 machine-$(CONFIG_ARCH_SHARK) := shark 79 machine-$(CONFIG_ARCH_SA1100) := sa1100 80ifeq ($(CONFIG_ARCH_SA1100),y) 81# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory 82textaddr-$(CONFIG_SA1111) := 0xc0208000 83endif 84 machine-$(CONFIG_ARCH_PXA) := pxa 85 machine-$(CONFIG_ARCH_L7200) := l7200 86 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator 87 machine-$(CONFIG_ARCH_CAMELOT) := epxa10db 88textaddr-$(CONFIG_ARCH_CLPS711X) := 0xc0028000 89 machine-$(CONFIG_ARCH_CLPS711X) := clps711x 90textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000 91 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx 92 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx 93 machine-$(CONFIG_ARCH_IXP2000) := ixp2000 94 machine-$(CONFIG_ARCH_OMAP) := omap 95 machine-$(CONFIG_ARCH_S3C2410) := s3c2410 96 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x 97 machine-$(CONFIG_ARCH_VERSATILE) := versatile 98 machine-$(CONFIG_ARCH_IMX) := imx 99 machine-$(CONFIG_ARCH_H720X) := h720x 100 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 101 102ifeq ($(CONFIG_ARCH_EBSA110),y) 103# This is what happens if you forget the IOCS16 line. 104# PCMCIA cards stop working. 105CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL 106export CFLAGS_3c589_cs.o 107endif 108 109TEXTADDR := $(textaddr-y) 110ifeq ($(CONFIG_XIP_KERNEL),y) 111 DATAADDR := $(TEXTADDR) 112 xipaddr-$(CONFIG_ARCH_CO285) := 0x5f000000 113 xipaddr-y ?= 0xbf000000 114 # Replace phys addr with virt addr while keeping offset from base. 115 TEXTADDR := $(shell echo $(CONFIG_XIP_PHYS_ADDR) $(xipaddr-y) | \ 116 awk --non-decimal-data '/[:xdigit:]/ \ 117 { printf("0x%x\n", and($$1, 0x000fffff) + $$2) }' ) 118endif 119 120ifeq ($(incdir-y),) 121incdir-y := $(machine-y) 122endif 123INCDIR := arch-$(incdir-y) 124ifneq ($(machine-y),) 125MACHINE := arch/arm/mach-$(machine-y)/ 126else 127MACHINE := 128endif 129 130export TEXTADDR DATAADDR GZFLAGS 131 132# Do we have FASTFPE? 133FASTFPE :=arch/arm/fastfpe 134ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) 135FASTFPE_OBJ :=$(FASTFPE)/ 136endif 137 138# If we have a machine-specific directory, then include it in the build. 139core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ 140core-y += $(MACHINE) 141core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ 142core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) 143core-$(CONFIG_VFP) += arch/arm/vfp/ 144 145drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ 146drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/ 147drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/ 148 149libs-y += arch/arm/lib/ 150 151# Default target when executing plain make 152ifeq ($(CONFIG_XIP_KERNEL),y) 153all: xipImage 154else 155all: zImage 156endif 157 158boot := arch/arm/boot 159 160# Update machine arch and proc symlinks if something which affects 161# them changed. We use .arch to indicate when they were updated 162# last, otherwise make uses the target directory mtime. 163 164include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER 165 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)' 166ifneq ($(KBUILD_SRC),) 167 $(Q)mkdir -p include/asm-arm 168 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch 169else 170 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch 171endif 172 @touch $@ 173 174prepare: maketools include/asm-arm/.arch 175 176.PHONY: maketools FORCE 177maketools: include/asm-arm/constants.h include/linux/version.h FORCE 178 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h 179 180# Convert bzImage to zImage 181bzImage: zImage 182 183zImage Image xipImage bootpImage uImage: vmlinux 184 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ 185 186zinstall install: vmlinux 187 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ 188 189CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h \ 190 include/asm-arm/arch include/asm-arm/.arch 191 192# We use MRPROPER_FILES and CLEAN_FILES now 193archclean: 194 $(Q)$(MAKE) $(clean)=$(boot) 195 196# My testing targets (bypasses dependencies) 197bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage 198i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ 199 200arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \ 201 include/asm-arm/.arch 202 203include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s 204 $(call filechk,gen-asm-offsets) 205 206define archhelp 207 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' 208 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' 209 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' 210 echo ' bootpImage - Combined zImage and initial RAM disk' 211 echo ' (supply initrd image via make variable INITRD=<path>)' 212 echo ' install - Install uncompressed kernel' 213 echo ' zinstall - Install compressed kernel' 214 echo ' Install using (your) ~/bin/installkernel or' 215 echo ' (distribution) /sbin/installkernel or' 216 echo ' install to $$(INSTALL_PATH) and run lilo' 217endef 218