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Diffstat (limited to 'arch/arm/Makefile')
-rw-r--r-- | arch/arm/Makefile | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/arch/arm/Makefile b/arch/arm/Makefile new file mode 100644 index 0000000..b039927 --- /dev/null +++ b/arch/arm/Makefile @@ -0,0 +1,249 @@ +# +# arch/arm/Makefile +# +# This file is included by the global makefile so that you can add your own +# architecture-specific flags and dependencies. +# +# This file is subject to the terms and conditions of the GNU General Public +# License. See the file "COPYING" in the main directory of this archive +# for more details. +# +# Copyright (C) 1995-2001 by Russell King + +LDFLAGS_vmlinux :=-p --no-undefined -X +CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET) +OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S +GZFLAGS :=-9 +#KBUILD_CFLAGS +=-pipe +# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: +KBUILD_CFLAGS +=$(call cc-option,-marm,) + +# Do not use arch/arm/defconfig - it's always outdated. +# Select a platform tht is kept up-to-date +KBUILD_DEFCONFIG := versatile_defconfig + +# defines filename extension depending memory manement type. +ifeq ($(CONFIG_MMU),) +MMUEXT := -nommu +endif + +ifeq ($(CONFIG_FRAME_POINTER),y) +KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog +endif + +ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) +KBUILD_CPPFLAGS += -mbig-endian +AS += -EB +LD += -EB +else +KBUILD_CPPFLAGS += -mlittle-endian +AS += -EL +LD += -EL +endif + +comma = , + +# This selects which instruction set is used. +# Note that GCC does not numerically define an architecture version +# macro, but instead defines a whole series of macros which makes +# testing for a specific architecture or later rather impossible. +arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a) +arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) +# Only override the compiler option if ARMv6. The ARMv6K extensions are +# always available in ARMv7 +ifeq ($(CONFIG_CPU_32v6),y) +arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) +endif +arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) +arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t +arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 +arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 + +# This selects how we optimise for the processor. +tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610 +tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710 +tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi +tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi +tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi +tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi +tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi +tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi) +tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi +tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi +tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi +tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi +tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 +tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 +tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale +tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale +tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) + +ifeq ($(CONFIG_AEABI),y) +CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork +else +CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) +endif + +# Need -Uarm for gcc < 3.x +KBUILD_CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm +KBUILD_AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float + +CHECKFLAGS += -D__arm__ + +#Default value +head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o +textofs-y := 0x00008000 + + machine-$(CONFIG_ARCH_RPC) := rpc + machine-$(CONFIG_ARCH_EBSA110) := ebsa110 + machine-$(CONFIG_ARCH_CLPS7500) := clps7500 + machine-$(CONFIG_FOOTBRIDGE) := footbridge + machine-$(CONFIG_ARCH_SHARK) := shark + machine-$(CONFIG_ARCH_SA1100) := sa1100 +ifeq ($(CONFIG_ARCH_SA1100),y) +# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory + textofs-$(CONFIG_SA1111) := 0x00208000 +endif + machine-$(CONFIG_ARCH_PXA) := pxa + machine-$(CONFIG_ARCH_L7200) := l7200 + machine-$(CONFIG_ARCH_INTEGRATOR) := integrator + textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000 + machine-$(CONFIG_ARCH_CLPS711X) := clps711x + machine-$(CONFIG_ARCH_IOP32X) := iop32x + machine-$(CONFIG_ARCH_IOP33X) := iop33x + machine-$(CONFIG_ARCH_IOP13XX) := iop13xx + plat-$(CONFIG_PLAT_IOP) := iop + machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx + machine-$(CONFIG_ARCH_IXP2000) := ixp2000 + machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx + machine-$(CONFIG_ARCH_OMAP1) := omap1 + machine-$(CONFIG_ARCH_OMAP2) := omap2 + machine-$(CONFIG_ARCH_OMAP3) := omap2 + plat-$(CONFIG_ARCH_OMAP) := omap + machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443 + plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx s3c + machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x + machine-$(CONFIG_ARCH_VERSATILE) := versatile + machine-$(CONFIG_ARCH_IMX) := imx + machine-$(CONFIG_ARCH_H720X) := h720x + machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 + machine-$(CONFIG_ARCH_REALVIEW) := realview + machine-$(CONFIG_ARCH_AT91) := at91 + machine-$(CONFIG_ARCH_EP93XX) := ep93xx + machine-$(CONFIG_ARCH_PNX4008) := pnx4008 + machine-$(CONFIG_ARCH_NETX) := netx + machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx + machine-$(CONFIG_ARCH_DAVINCI) := davinci + machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood + machine-$(CONFIG_ARCH_KS8695) := ks8695 + plat-$(CONFIG_ARCH_MXC) := mxc + machine-$(CONFIG_ARCH_MX2) := mx2 + machine-$(CONFIG_ARCH_MX3) := mx3 + machine-$(CONFIG_ARCH_ORION5X) := orion5x + plat-$(CONFIG_PLAT_ORION) := orion + machine-$(CONFIG_ARCH_MSM) := msm + machine-$(CONFIG_ARCH_LOKI) := loki + machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 + machine-$(CONFIG_ARCH_ASPEED) := aspeed + plat-$(CONFIG_PLAT_ASPEED) := aspeed + +ifeq ($(CONFIG_ARCH_EBSA110),y) +# This is what happens if you forget the IOCS16 line. +# PCMCIA cards stop working. +CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL +export CFLAGS_3c589_cs.o +endif + +# The byte offset of the kernel image in RAM from the start of RAM. +TEXT_OFFSET := $(textofs-y) + +# The first directory contains additional information for the boot setup code +ifneq ($(machine-y),) +MACHINE := arch/arm/mach-$(word 1,$(machine-y))/ +else +MACHINE := +endif + +machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) +platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y)) + +ifeq ($(KBUILD_SRC),) +KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs)) +else +KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs)) +endif + +export TEXT_OFFSET GZFLAGS MMUEXT + +# Do we have FASTFPE? +FASTFPE :=arch/arm/fastfpe +ifeq ($(FASTFPE),$(wildcard $(FASTFPE))) +FASTFPE_OBJ :=$(FASTFPE)/ +endif + +# If we have a machine-specific directory, then include it in the build. +core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/ +core-y += $(machdirs) $(platdirs) +core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ +core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) +core-$(CONFIG_VFP) += arch/arm/vfp/ + +drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ + +libs-y := arch/arm/lib/ $(libs-y) + +# Default target when executing plain make +ifeq ($(CONFIG_XIP_KERNEL),y) +KBUILD_IMAGE := xipImage +else +KBUILD_IMAGE := zImage +endif + +all: $(KBUILD_IMAGE) + +boot := arch/arm/boot + +# Update machine arch and proc symlinks if something which affects +# them changed. We use .arch to indicate when they were updated +# last, otherwise make uses the target directory mtime. + +archprepare: maketools + +PHONY += maketools FORCE +maketools: include/linux/version.h FORCE + $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h + +# Convert bzImage to zImage +bzImage: zImage + +zImage Image xipImage bootpImage uImage: vmlinux + $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ + +zinstall install: vmlinux + $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ + +CLEAN_FILES += include/asm-arm/mach-types.h \ + include/asm-arm/arch include/asm-arm/.arch + +# We use MRPROPER_FILES and CLEAN_FILES now +archclean: + $(Q)$(MAKE) $(clean)=$(boot) + +# My testing targets (bypasses dependencies) +bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage +i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ + + +define archhelp + echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' + echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' + echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' + echo ' uImage - U-Boot wrapped zImage' + echo ' bootpImage - Combined zImage and initial RAM disk' + echo ' (supply initrd image via make variable INITRD=<path>)' + echo ' install - Install uncompressed kernel' + echo ' zinstall - Install compressed kernel' + echo ' Install using (your) ~/bin/installkernel or' + echo ' (distribution) /sbin/installkernel or' + echo ' install to $$(INSTALL_PATH) and run lilo' +endef |