X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Farm%2FMakefile;h=384f6b16bfd81e3785d9969c5a614226a0034785;hb=b71b9effb5c6aad49682f963291b06018b44ed38;hp=0f571d3d2fa4b562fac6b76d79053aaa8d88f78e;hpb=23bdf86aa06ebe71bcbf6b7d25de9958c6ab33fa;p=safe%2Fjmp%2Flinux-2.6 diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 0f571d3..384f6b1 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -12,24 +12,31 @@ LDFLAGS_vmlinux :=-p --no-undefined -X CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET) -OBJCOPYFLAGS :=-O binary -R .note -R .comment -S +OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S GZFLAGS :=-9 -#CFLAGS +=-pipe +#KBUILD_CFLAGS +=-pipe +# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: +KBUILD_CFLAGS +=$(call cc-option,-marm,) # Do not use arch/arm/defconfig - it's always outdated.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) -CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog +KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog endif ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) -CPPFLAGS += -mbig-endian +KBUILD_CPPFLAGS += -mbig-endian AS += -EB LD += -EB else -CPPFLAGS += -mlittle-endian +KBUILD_CPPFLAGS += -mlittle-endian AS += -EL LD += -EL endif @@ -40,16 +47,27 @@ comma = , # Note that GCC does not numerically define an architecture version # macro, but instead defines a whole series of macros which makes # testing for a specific architecture or later rather impossible. +arch-$(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) -arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4) +endif +arch-$(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 @@ -58,32 +76,29 @@ 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 ($(CONFIG_AEABI),y) -CFLAGS_ABI :=-mabi=aapcs -mno-thumb-interwork +CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork else CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,) endif # Need -Uarm for gcc < 3.x -CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm -AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float +KBUILD_CFLAGS +=$(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) $(tune-y) -msoft-float CHECKFLAGS += -D__arm__ #Default value -head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o +head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o textofs-y := 0x00008000 machine-$(CONFIG_ARCH_RPC) := rpc machine-$(CONFIG_ARCH_EBSA110) := ebsa110 machine-$(CONFIG_ARCH_CLPS7500) := clps7500 - incdir-$(CONFIG_ARCH_CLPS7500) := cl7500 machine-$(CONFIG_FOOTBRIDGE) := footbridge - incdir-$(CONFIG_FOOTBRIDGE) := ebsa285 - machine-$(CONFIG_ARCH_CO285) := footbridge - incdir-$(CONFIG_ARCH_CO285) := ebsa285 machine-$(CONFIG_ARCH_SHARK) := shark machine-$(CONFIG_ARCH_SA1100) := sa1100 ifeq ($(CONFIG_ARCH_SA1100),y) @@ -95,21 +110,41 @@ endif machine-$(CONFIG_ARCH_INTEGRATOR) := integrator textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000 machine-$(CONFIG_ARCH_CLPS711X) := clps711x - machine-$(CONFIG_ARCH_IOP3XX) := iop3xx + machine-$(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 - incdir-$(CONFIG_ARCH_OMAP) := omap - machine-$(CONFIG_ARCH_S3C2410) := s3c2410 + 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-$(CONFIG_ARCH_AT91RM9200) := at91rm9200 - machine-$(CONFIG_ARCH_EP93XX) := ep93xx + 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 ifeq ($(CONFIG_ARCH_EBSA110),y) # This is what happens if you forget the IOCS16 line. @@ -121,18 +156,23 @@ endif # The byte offset of the kernel image in RAM from the start of RAM. TEXT_OFFSET := $(textofs-y) -ifeq ($(incdir-y),) -incdir-y := $(machine-y) -endif -INCDIR := arch-$(incdir-y) - +# The first directory contains additional information for the boot setup code ifneq ($(machine-y),) -MACHINE := arch/arm/mach-$(machine-y)/ +MACHINE := arch/arm/mach-$(word 1,$(machine-y))/ else MACHINE := endif - -export TEXT_OFFSET GZFLAGS + +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 @@ -142,47 +182,34 @@ 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 += $(MACHINE) +core-y += $(machdirs) $(platdirs) core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) core-$(CONFIG_VFP) += arch/arm/vfp/ -# If we have a common platform directory, then include it in the build. -core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/ - drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ -drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/ -drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/ libs-y := arch/arm/lib/ $(libs-y) # Default target when executing plain make ifeq ($(CONFIG_XIP_KERNEL),y) -all: xipImage +KBUILD_IMAGE := xipImage else -all: zImage +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. -include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER - @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)' -ifneq ($(KBUILD_SRC),) - $(Q)mkdir -p include/asm-arm - $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch -else - $(Q)ln -fsn $(INCDIR) include/asm-arm/arch -endif - @touch $@ - archprepare: maketools PHONY += maketools FORCE -maketools: include/linux/version.h include/asm-arm/.arch FORCE +maketools: include/linux/version.h FORCE $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h # Convert bzImage to zImage @@ -210,6 +237,7 @@ define archhelp echo '* zImage - Compressed kernel image (arch/$(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=)' echo ' install - Install uncompressed kernel'