217 lines
7.5 KiB
Makefile
217 lines
7.5 KiB
Makefile
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#
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# arch/arm/Makefile
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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# Copyright (C) 1995-2001 by Russell King
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LDFLAGS_vmlinux :=-p --no-undefined -X
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CPPFLAGS_vmlinux.lds = -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR)
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OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
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GZFLAGS :=-9
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#CFLAGS +=-pipe
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# Do not use arch/arm/defconfig - it's always outdated.
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# Select a platform tht is kept up-to-date
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KBUILD_DEFCONFIG := versatile_defconfig
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ifeq ($(CONFIG_FRAME_POINTER),y)
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CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
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endif
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ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
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CPPFLAGS += -mbig-endian
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AS += -EB
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LD += -EB
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else
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CPPFLAGS += -mlittle-endian
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AS += -EL
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LD += -EL
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endif
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comma = ,
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# This selects which instruction set is used.
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# Note that GCC does not numerically define an architecture version
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# macro, but instead defines a whole series of macros which makes
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# testing for a specific architecture or later rather impossible.
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arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
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arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4)
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arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
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arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
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# This selects how we optimise for the processor.
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tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
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tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
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tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
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tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
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tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
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tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
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tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
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tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
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tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
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tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
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tune-$(CONFIG_CPU_V6) :=-mtune=strongarm
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# Need -Uarm for gcc < 3.x
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CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
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CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
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AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
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CHECKFLAGS += -D__arm__
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#Default value
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head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
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textaddr-y := 0xC0008000
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machine-$(CONFIG_ARCH_RPC) := rpc
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machine-$(CONFIG_ARCH_EBSA110) := ebsa110
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machine-$(CONFIG_ARCH_CLPS7500) := clps7500
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incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
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machine-$(CONFIG_FOOTBRIDGE) := footbridge
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incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
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textaddr-$(CONFIG_ARCH_CO285) := 0x60008000
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machine-$(CONFIG_ARCH_CO285) := footbridge
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incdir-$(CONFIG_ARCH_CO285) := ebsa285
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machine-$(CONFIG_ARCH_SHARK) := shark
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machine-$(CONFIG_ARCH_SA1100) := sa1100
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ifeq ($(CONFIG_ARCH_SA1100),y)
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# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
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textaddr-$(CONFIG_SA1111) := 0xc0208000
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endif
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machine-$(CONFIG_ARCH_PXA) := pxa
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machine-$(CONFIG_ARCH_L7200) := l7200
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machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
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machine-$(CONFIG_ARCH_CAMELOT) := epxa10db
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textaddr-$(CONFIG_ARCH_CLPS711X) := 0xc0028000
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machine-$(CONFIG_ARCH_CLPS711X) := clps711x
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textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000
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machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
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machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
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machine-$(CONFIG_ARCH_IXP2000) := ixp2000
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machine-$(CONFIG_ARCH_OMAP) := omap
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machine-$(CONFIG_ARCH_S3C2410) := s3c2410
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machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
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machine-$(CONFIG_ARCH_VERSATILE) := versatile
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machine-$(CONFIG_ARCH_IMX) := imx
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machine-$(CONFIG_ARCH_H720X) := h720x
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ifeq ($(CONFIG_ARCH_EBSA110),y)
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# This is what happens if you forget the IOCS16 line.
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# PCMCIA cards stop working.
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CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
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export CFLAGS_3c589_cs.o
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endif
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TEXTADDR := $(textaddr-y)
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ifeq ($(CONFIG_XIP_KERNEL),y)
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DATAADDR := $(TEXTADDR)
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xipaddr-$(CONFIG_ARCH_CO285) := 0x5f000000
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xipaddr-y ?= 0xbf000000
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# Replace phys addr with virt addr while keeping offset from base.
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TEXTADDR := $(shell echo $(CONFIG_XIP_PHYS_ADDR) $(xipaddr-y) | \
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awk --non-decimal-data '/[:xdigit:]/ \
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{ printf("0x%x\n", and($$1, 0x000fffff) + $$2) }' )
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endif
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ifeq ($(incdir-y),)
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incdir-y := $(machine-y)
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endif
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INCDIR := arch-$(incdir-y)
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ifneq ($(machine-y),)
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MACHINE := arch/arm/mach-$(machine-y)/
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else
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MACHINE :=
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endif
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export TEXTADDR DATAADDR GZFLAGS
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# Do we have FASTFPE?
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FASTFPE :=arch/arm/fastfpe
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ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
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FASTFPE_OBJ :=$(FASTFPE)/
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endif
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# If we have a machine-specific directory, then include it in the build.
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core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
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core-y += $(MACHINE)
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core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
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core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
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core-$(CONFIG_VFP) += arch/arm/vfp/
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drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
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drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
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drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
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libs-y += arch/arm/lib/
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# Default target when executing plain make
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ifeq ($(CONFIG_XIP_KERNEL),y)
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all: xipImage
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else
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all: zImage
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endif
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boot := arch/arm/boot
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# Update machine arch and proc symlinks if something which affects
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# them changed. We use .arch to indicate when they were updated
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# last, otherwise make uses the target directory mtime.
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include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/MARKER
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@echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
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ifneq ($(KBUILD_SRC),)
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$(Q)mkdir -p include/asm-arm
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$(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
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else
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$(Q)ln -fsn $(INCDIR) include/asm-arm/arch
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endif
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@touch $@
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prepare: maketools include/asm-arm/.arch
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.PHONY: maketools FORCE
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maketools: include/asm-arm/constants.h include/linux/version.h FORCE
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$(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
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# Convert bzImage to zImage
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bzImage: zImage
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zImage Image xipImage bootpImage uImage: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
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zinstall install: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
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CLEAN_FILES += include/asm-arm/constants.h* include/asm-arm/mach-types.h \
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include/asm-arm/arch include/asm-arm/.arch
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# We use MRPROPER_FILES and CLEAN_FILES now
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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# My testing targets (bypasses dependencies)
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bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
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i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
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arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
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include/asm-arm/.arch
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include/asm-$(ARCH)/constants.h: arch/$(ARCH)/kernel/asm-offsets.s
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$(call filechk,gen-asm-offsets)
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define archhelp
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echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
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echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
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echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
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echo ' bootpImage - Combined zImage and initial RAM disk'
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echo ' (supply initrd image via make variable INITRD=<path>)'
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echo ' install - Install uncompressed kernel'
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echo ' zinstall - Install compressed kernel'
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echo ' Install using (your) ~/bin/installkernel or'
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echo ' (distribution) /sbin/installkernel or'
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echo ' install to $$(INSTALL_PATH) and run lilo'
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endef
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