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Diffstat (limited to 'arch/arm/Makefile')
| -rw-r--r-- | arch/arm/Makefile | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/arch/arm/Makefile b/arch/arm/Makefile new file mode 100644 index 00000000..9d9d0b19 --- /dev/null +++ b/arch/arm/Makefile @@ -0,0 +1,307 @@ +# +# 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 ($(CONFIG_CPU_ENDIAN_BE8),y) +LDFLAGS_vmlinux += --be8 +endif + +OBJCOPYFLAGS :=-O binary -R .comment -S +GZFLAGS :=-9 +#KBUILD_CFLAGS +=-pipe +# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: +KBUILD_CFLAGS +=$(call cc-option,-marm,) + +# Never generate .eh_frame +KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) + +# Do not use arch/arm/defconfig - it's always outdated. +# Select a platform tht is kept up-to-date +KBUILD_DEFCONFIG := versatile_defconfig + +# defines filename extension depending memory management type. +ifeq ($(CONFIG_MMU),) +MMUEXT := -nommu +endif + +ifeq ($(CONFIG_FRAME_POINTER),y) +KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog +endif + +ifeq ($(CONFIG_CC_STACKPROTECTOR),y) +KBUILD_CFLAGS +=-fstack-protector +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) +tune-$(CONFIG_CPU_V6K) :=$(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$(comma)-mimplicit-it=always,-Wa$(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$(comma)-mthumb +# Work around buggy relocation from gas if requested: +ifeq ($(CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11),y) +CFLAGS_MODULE +=-fno-optimize-sibling-calls +endif +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-$(CONFIG_ARCH_CLPS711X) := 0x00028000 +# We don't want the htc bootloader to corrupt kernel during resume +textofs-$(CONFIG_PM_H1940) := 0x00108000 +# 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-$(CONFIG_ARCH_AT91) := at91 +machine-$(CONFIG_ARCH_BCMRING) := bcmring +machine-$(CONFIG_ARCH_CLPS711X) := clps711x +machine-$(CONFIG_ARCH_CNS3XXX) := cns3xxx +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_LOKI) := loki +machine-$(CONFIG_ARCH_LPC32XX) := lpc32xx +machine-$(CONFIG_ARCH_MMP) := mmp +machine-$(CONFIG_ARCH_MSM) := msm +machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 +machine-$(CONFIG_ARCH_MX1) := imx +machine-$(CONFIG_ARCH_MX2) := imx +machine-$(CONFIG_ARCH_MX6) := mx6 +machine-$(CONFIG_ARCH_MX25) := imx +machine-$(CONFIG_ARCH_MX3) := imx +machine-$(CONFIG_ARCH_MX5) := mx5 +machine-$(CONFIG_ARCH_MXS) := mxs +machine-$(CONFIG_ARCH_NETX) := netx +machine-$(CONFIG_ARCH_NOMADIK) := nomadik +machine-$(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-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2416 s3c2440 s3c2443 +machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0 +machine-$(CONFIG_ARCH_S3C64XX) := s3c64xx +machine-$(CONFIG_ARCH_S5P64X0) := s5p64x0 +machine-$(CONFIG_ARCH_S5PC100) := s5pc100 +machine-$(CONFIG_ARCH_S5PV210) := s5pv210 +machine-$(CONFIG_ARCH_EXYNOS4) := exynos4 +machine-$(CONFIG_ARCH_SA1100) := sa1100 +machine-$(CONFIG_ARCH_SHARK) := shark +machine-$(CONFIG_ARCH_SHMOBILE) := shmobile +machine-$(CONFIG_ARCH_TCC8K) := tcc8k +machine-$(CONFIG_ARCH_TEGRA) := tegra +machine-$(CONFIG_ARCH_U300) := u300 +machine-$(CONFIG_ARCH_U8500) := ux500 +machine-$(CONFIG_ARCH_VERSATILE) := versatile +machine-$(CONFIG_ARCH_VEXPRESS) := vexpress +machine-$(CONFIG_ARCH_VT8500) := vt8500 +machine-$(CONFIG_ARCH_W90X900) := w90x900 +machine-$(CONFIG_ARCH_NUC93X) := nuc93x +machine-$(CONFIG_FOOTBRIDGE) := footbridge +machine-$(CONFIG_MACH_SPEAR300) := spear3xx +machine-$(CONFIG_MACH_SPEAR310) := spear3xx +machine-$(CONFIG_MACH_SPEAR320) := spear3xx +machine-$(CONFIG_MACH_SPEAR600) := spear6xx + +# Platform directory name. This list is sorted alphanumerically +# by CONFIG_* macro name. +plat-$(CONFIG_ARCH_MXC) := mxc +plat-$(CONFIG_ARCH_OMAP) := omap +plat-$(CONFIG_ARCH_S3C64XX) := samsung +plat-$(CONFIG_ARCH_TCC_926) := tcc +plat-$(CONFIG_PLAT_IOP) := iop +plat-$(CONFIG_PLAT_NOMADIK) := nomadik +plat-$(CONFIG_PLAT_ORION) := orion +plat-$(CONFIG_PLAT_PXA) := pxa +plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx samsung +plat-$(CONFIG_PLAT_S5P) := s5p samsung +plat-$(CONFIG_PLAT_SPEAR) := spear +plat-$(CONFIG_PLAT_VERSATILE) := versatile + +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 + +core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ +core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) +core-$(CONFIG_VFP) += arch/arm/vfp/ + +# 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) $(platdirs) + +drivers-$(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 uinstall 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 ' uinstall - Install U-Boot wrapped compressed kernel' + echo ' Install using (your) ~/bin/$(INSTALLKERNEL) or' + echo ' (distribution) /sbin/$(INSTALLKERNEL) or' + echo ' install to $$(INSTALL_PATH) and run lilo' +endef |