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#
# 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
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CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET= $( TEXT_OFFSET)
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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# Do not use arch/arm/defconfig - it's always outdated.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
i f e q ( $( CONFIG_FRAME_POINTER ) , y )
CFLAGS += -fno-omit-frame-pointer -mapcs -mno-sched-prolog
e n d i f
i f e q ( $( CONFIG_CPU_BIG_ENDIAN ) , y )
CPPFLAGS += -mbig-endian
AS += -EB
LD += -EB
e l s e
CPPFLAGS += -mlittle-endian
AS += -EL
LD += -EL
e n d i f
comma = ,
# This selects which instruction set is used.
# Note that GCC does not numerically define an architecture version
# macro, but instead defines a whole series of macros which makes
# testing for a specific architecture or later rather impossible.
arch-$(CONFIG_CPU_32v6) := -D__LINUX_ARM_ARCH__= 6 $( call cc-option,-march= armv6,-march= armv5t -Wa$( comma) -march= armv6)
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arch-$(CONFIG_CPU_32v6K) := -D__LINUX_ARM_ARCH__= 6 $( call cc-option,-march= armv6k,-march= armv5t -Wa$( comma) -march= armv6k)
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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) := $( call cc-option,-mtune= xscale,-mtune= strongarm110) -Wa,-mcpu= xscale
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tune-$(CONFIG_CPU_V6) := $( call cc-option,-mtune= arm1136j-s,-mtune= strongarm)
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i f e q ( $( CONFIG_AEABI ) , y )
CFLAGS_ABI := -mabi= aapcs -mno-thumb-interwork
e l s e
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CFLAGS_ABI := $( call cc-option,-mapcs-32,-mabi= apcs-gnu) $( call cc-option,-mno-thumb-interwork,)
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e n d i f
# Need -Uarm for gcc < 3.x
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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
AFLAGS += $( CFLAGS_ABI) $( arch-y) $( tune-y) -msoft-float
CHECKFLAGS += -D__arm__
#Default value
head-y := arch/arm/kernel/head.o arch/arm/kernel/init_task.o
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textofs-y := 0x00008000
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machine-$( 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
i f e q ( $( CONFIG_ARCH_SA 1100) , y )
# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
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textofs-$( CONFIG_SA1111) := 0x00208000
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e n d i f
machine-$( CONFIG_ARCH_PXA) := pxa
machine-$( CONFIG_ARCH_L7200) := l7200
machine-$( CONFIG_ARCH_INTEGRATOR) := integrator
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textofs-$( CONFIG_ARCH_CLPS711X) := 0x00028000
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machine-$( CONFIG_ARCH_CLPS711X) := clps711x
machine-$( CONFIG_ARCH_IOP3XX) := iop3xx
machine-$( CONFIG_ARCH_IXP4XX) := ixp4xx
machine-$( CONFIG_ARCH_IXP2000) := ixp2000
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machine-$( CONFIG_ARCH_OMAP1) := omap1
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machine-$( CONFIG_ARCH_OMAP2) := omap2
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incdir-$( CONFIG_ARCH_OMAP) := omap
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machine-$( CONFIG_ARCH_S3C2410) := s3c2410
machine-$( CONFIG_ARCH_LH7A40X) := lh7a40x
machine-$( CONFIG_ARCH_VERSATILE) := versatile
machine-$( CONFIG_ARCH_IMX) := imx
machine-$( CONFIG_ARCH_H720X) := h720x
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machine-$( CONFIG_ARCH_AAEC2000) := aaec2000
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machine-$( CONFIG_ARCH_REALVIEW) := realview
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machine-$( CONFIG_ARCH_AT91RM9200) := at91rm9200
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i f e q ( $( CONFIG_ARCH_EBSA 110) , y )
# This is what happens if you forget the IOCS16 line.
# PCMCIA cards stop working.
CFLAGS_3c589_cs.o := -DISA_SIXTEEN_BIT_PERIPHERAL
export C F L A G S _ 3 c 5 8 9 _ c s . o
e n d i f
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# The byte offset of the kernel image in RAM from the start of RAM.
TEXT_OFFSET := $( textofs-y)
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i f e q ( $( incdir -y ) , )
incdir-y := $( machine-y)
e n d i f
INCDIR := arch-$( incdir-y)
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i f n e q ( $( machine -y ) , )
MACHINE := arch/arm/mach-$( machine-y) /
e l s e
MACHINE :=
e n d i f
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export TEXT_OFFSET GZFLAGS
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# Do we have FASTFPE?
FASTFPE := arch/arm/fastfpe
i f e q ( $( FASTFPE ) , $( wildcard $ ( FASTFPE ) ) )
FASTFPE_OBJ := $( FASTFPE) /
e n d i f
# 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/
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# If we have a common platform directory, then include it in the build.
core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/
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drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
drivers-$(CONFIG_ARCH_CLPS7500) += drivers/acorn/char/
drivers-$(CONFIG_ARCH_L7200) += drivers/acorn/char/
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libs-y := arch/arm/lib/ $( libs-y)
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# Default target when executing plain make
i f e q ( $( CONFIG_XIP_KERNEL ) , y )
all : xipImage
e l s e
all : zImage
e n d i f
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)'
i f n e q ( $( KBUILD_SRC ) , )
$( Q) mkdir -p include/asm-arm
$( Q) ln -fsn $( srctree) /include/asm-arm/$( INCDIR) include/asm-arm/arch
e l s e
$( Q) ln -fsn $( INCDIR) include/asm-arm/arch
e n d i f
@touch $@
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archprepare : maketools
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.PHONY : maketools FORCE
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maketools : include /linux /version .h include /asm -arm /.arch FORCE
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$( 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) $@
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CLEAN_FILES += include/asm-arm/mach-types.h \
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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 ) $@
d e f i n e a r c h h e l p
echo '* zImage - Compressed kernel image (arch/$(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'
e n d e f