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Diffstat (limited to 'arch/arm/Makefile')
| -rw-r--r-- | arch/arm/Makefile | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/arch/arm/Makefile b/arch/arm/Makefile new file mode 100644 index 00000000000..2277e3d179c --- /dev/null +++ b/arch/arm/Makefile @@ -0,0 +1,216 @@ +# +# arch/arm/Makefile +# +# 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 = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR) +OBJCOPYFLAGS :=-O binary -R .note -R .comment -S +GZFLAGS :=-9 +#CFLAGS +=-pipe + +# Do not use arch/arm/defconfig - it's always outdated. +# Select a platform tht is kept up-to-date +KBUILD_DEFCONFIG := versatile_defconfig + +ifeq ($(CONFIG_FRAME_POINTER),y) +CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog +endif + +ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) +CPPFLAGS += -mbig-endian +AS += -EB +LD += -EB +else +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_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) +arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4) +arch-$(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_ARM720T) :=-mtune=arm7tdmi +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-$(CONFIG_CPU_V6) :=-mtune=strongarm + +# Need -Uarm for gcc < 3.x +CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +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) $(tune-y) -msoft-float + +CHECKFLAGS += -D__arm__ + +#Default value +head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o +textaddr-y := 0xC0008000 + + machine-$(CONFIG_ARCH_RPC) := rpc + machine-$(CONFIG_ARCH_EBSA110) := ebsa110 + machine-$(CONFIG_ARCH_CLPS7500) := clps7500 + incdir-$(CONFIG_ARCH_CLPS7500) := cl7500 + machine-$(CONFIG_FOOTBRIDGE) := footbridge + incdir-$(CONFIG_FOOTBRIDGE) := ebsa285 +textaddr-$(CONFIG_ARCH_CO285) := 0x60008000 + machine-$(CONFIG_ARCH_CO285) := footbridge + incdir-$(CONFIG_ARCH_CO285) := ebsa285 + machine-$(CONFIG_ARCH_SHARK) := shark + machine-$(CONFIG_ARCH_SA1100) := sa1100 +ifeq ($(CONFIG_ARCH_SA1100),y) +# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory +textaddr-$(CONFIG_SA1111) := 0xc0208000 +endif + machine-$(CONFIG_ARCH_PXA) := pxa + machine-$(CONFIG_ARCH_L7200) := l7200 + machine-$(CONFIG_ARCH_INTEGRATOR) := integrator + machine-$(CONFIG_ARCH_CAMELOT) := epxa10db +textaddr-$(CONFIG_ARCH_CLPS711X) := 0xc0028000 + machine-$(CONFIG_ARCH_CLPS711X) := clps711x +textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000 + machine-$(CONFIG_ARCH_IOP3XX) := iop3xx + machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx + machine-$(CONFIG_ARCH_IXP2000) := ixp2000 + machine-$(CONFIG_ARCH_OMAP) := omap + machine-$(CONFIG_ARCH_S3C2410) := s3c2410 + machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x + machine-$(CONFIG_ARCH_VERSATILE) := versatile + machine-$(CONFIG_ARCH_IMX) := imx + machine-$(CONFIG_ARCH_H720X) := h720x + +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 + +TEXTADDR := $(textaddr-y) +ifeq ($(CONFIG_XIP_KERNEL),y) + DATAADDR := $(TEXTADDR) + xipaddr-$(CONFIG_ARCH_CO285) := 0x5f000000 + xipaddr-y ?= 0xbf000000 + # Replace phys addr with virt addr while keeping offset from base. + TEXTADDR := $(shell echo $(CONFIG_XIP_PHYS_ADDR) $(xipaddr-y) | \ + awk --non-decimal-data '/[:xdigit:]/ \ + { printf("0x%x\n", and($$1, 0x000fffff) + $$2) }' ) +endif + +ifeq ($(incdir-y),) +incdir-y := $(machine-y) +endif +INCDIR := arch-$(incdir-y) +ifneq ($(machine-y),) +MACHINE := arch/arm/mach-$(machine-y)/ +else +MACHINE := +endif + +export TEXTADDR DATAADDR GZFLAGS + +# 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 += $(MACHINE) +core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/ +core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) +core-$(CONFIG_VFP) += arch/arm/vfp/ + +drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ +drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/ +drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/ + +libs-y += arch/arm/lib/ + +# Default target when executing plain make +ifeq ($(CONFIG_XIP_KERNEL),y) +all: xipImage +else +all: zImage +endif + +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 $@ + +prepare: maketools include/asm-arm/.arch + +.PHONY: maketools FORCE +maketools: include/asm-arm/constants.h 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/constants.h* 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) $@ + +arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \ + include/asm-arm/.arch + +include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s + $(call filechk,gen-asm-offsets) + +define archhelp + echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' + echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' + echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)' + echo ' 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 |