| # |
| # 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| # Do not use arch/arm/defconfig - it's always outdated.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_FEROCEON) :=$(call cc-option,-mtune=marvell-f,-mtune=xscale) |
| tune-$(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-$(CONFIG_FOOTBRIDGE) := footbridge |
| machine-$(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 |
| machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0 |
| plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx s3c |
| machine-$(CONFIG_ARCH_S3C64XX) := s3c6400 s3c6410 |
| plat-$(CONFIG_PLAT_S3C64XX) := s3c64xx 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_MX1) := mx1 |
| 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_W90X900) := w90x900 |
| |
| 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 |
