# # 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 ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) LDFLAGS_vmlinux += --be8 endif OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S GZFLAGS :=-9 #KBUILD_CFLAGS +=-pipe # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: KBUILD_CFLAGS +=$(call cc-option,-marm,) # Do not use arch/arm/defconfig - it's always outdated.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 management 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_FA526) :=-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) $(call cc-option,-mno-thumb-interwork,) endif ifeq ($(CONFIG_ARM_UNWIND),y) CFLAGS_ABI +=-funwind-tables endif ifeq ($(CONFIG_THUMB2_KERNEL),y) AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=thumb,-Wa$(comma)-mauto-it) AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W) CFLAGS_THUMB2 :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN) AFLAGS_THUMB2 :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb endif # Need -Uarm for gcc < 3.x KBUILD_CFLAGS +=$(CFLAGS_ABI) $(CFLAGS_THUMB2) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm KBUILD_AFLAGS +=$(CFLAGS_ABI) $(AFLAGS_THUMB2) $(arch-y) $(tune-y) -include asm/unified.h -msoft-float CHECKFLAGS += -D__arm__ #Default value head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o textofs-y := 0x00008000 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory ifeq ($(CONFIG_ARCH_SA1100),y) textofs-$(CONFIG_SA1111) := 0x00208000 endif # Machine directory name. This list is sorted alphanumerically # by CONFIG_* macro name. machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 machine-$(CONFIG_ARCH_AT91) := at91 machine-$(CONFIG_ARCH_BCMRING) := bcmring machine-$(CONFIG_ARCH_CLPS711X) := clps711x machine-$(CONFIG_ARCH_DAVINCI) := davinci machine-$(CONFIG_ARCH_DOVE) := dove machine-$(CONFIG_ARCH_EBSA110) := ebsa110 machine-$(CONFIG_ARCH_EP93XX) := ep93xx machine-$(CONFIG_ARCH_GEMINI) := gemini machine-$(CONFIG_ARCH_H720X) := h720x machine-$(CONFIG_ARCH_INTEGRATOR) := integrator machine-$(CONFIG_ARCH_IOP13XX) := iop13xx machine-$(CONFIG_ARCH_IOP32X) := iop32x machine-$(CONFIG_ARCH_IOP33X) := iop33x machine-$(CONFIG_ARCH_IXP2000) := ixp2000 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood machine-$(CONFIG_ARCH_KS8695) := ks8695 machine-$(CONFIG_ARCH_L7200) := l7200 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x machine-$(CONFIG_ARCH_LOKI) := loki machine-$(CONFIG_ARCH_MMP) := mmp machine-$(CONFIG_ARCH_MSM) := msm machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 machine-$(CONFIG_ARCH_MX1) := mx1 machine-$(CONFIG_ARCH_MX2) := mx2 machine-$(CONFIG_ARCH_MX25) := mx25 machine-$(CONFIG_ARCH_MX3) := mx3 machine-$(CONFIG_ARCH_MXC91231) := mxc91231 machine-$(CONFIG_ARCH_NETX) := netx machine-$(CONFIG_ARCH_NOMADIK) := nomadik machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx machine-$(CONFIG_ARCH_OMAP1) := omap1 machine-$(CONFIG_ARCH_OMAP2) := omap2 machine-$(CONFIG_ARCH_OMAP3) := omap2 machine-$(CONFIG_ARCH_OMAP4) := omap2 machine-$(CONFIG_ARCH_ORION5X) := orion5x machine-$(CONFIG_ARCH_PNX4008) := pnx4008 machine-$(CONFIG_ARCH_PXA) := pxa machine-$(CONFIG_ARCH_REALVIEW) := realview machine-$(CONFIG_ARCH_RPC) := rpc machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443 machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0 machine-$(CONFIG_ARCH_S3C64XX) := s3c6400 s3c6410 machine-$(CONFIG_ARCH_S5PC1XX) := s5pc100 machine-$(CONFIG_ARCH_SA1100) := sa1100 machine-$(CONFIG_ARCH_SHARK) := shark machine-$(CONFIG_ARCH_STMP378X) := stmp378x machine-$(CONFIG_ARCH_STMP37XX) := stmp37xx machine-$(CONFIG_ARCH_U300) := u300 machine-$(CONFIG_ARCH_U8500) := ux500 machine-$(CONFIG_ARCH_VERSATILE) := versatile machine-$(CONFIG_ARCH_W90X900) := w90x900 machine-$(CONFIG_FOOTBRIDGE) := footbridge # Platform directory name. This list is sorted alphanumerically # by CONFIG_* macro name. plat-$(CONFIG_ARCH_MXC) := mxc plat-$(CONFIG_ARCH_OMAP) := omap plat-$(CONFIG_ARCH_STMP3XXX) := stmp3xxx plat-$(CONFIG_PLAT_IOP) := iop plat-$(CONFIG_PLAT_NOMADIK) := nomadik plat-$(CONFIG_PLAT_ORION) := orion plat-$(CONFIG_PLAT_PXA) := pxa plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx s3c samsung plat-$(CONFIG_PLAT_S3C64XX) := s3c64xx s3c samsung plat-$(CONFIG_PLAT_S5PC1XX) := s5pc1xx s3c samsung 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 archprepare: $(Q)$(MAKE) $(build)=arch/arm/tools include/generated/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) $@ # 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