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1275 |
phoenix |
#
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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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LINKFLAGS :=-p -X -T arch/arm/vmlinux.lds
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OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
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GZFLAGS :=-9
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CFLAGS +=-Uarm -fno-common -pipe
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ifeq ($(CONFIG_FRAME_POINTER),y)
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CFLAGS :=$(CFLAGS:-fomit-frame-pointer=-mapcs -mno-sched-prolog)
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endif
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CFLAGS :=$(CFLAGS:-O2=-Os)
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ifeq ($(CONFIG_DEBUG_INFO),y)
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CFLAGS +=-g
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endif
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# Select CPU dependent flags. Note that order of declaration is important;
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# the options further down the list override previous items.
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#
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# Note! For APCS-26 YOU MUST HAVE AN APCS-26 LIBGCC.A
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#
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apcs-y :=-mapcs-32
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apcs-$(CONFIG_CPU_26) :=-mapcs-26 -mcpu=arm3 -Os
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# This selects which instruction set is used.
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# Note that GCC is lame - it doesn't numerically define an
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# architecture version macro, but instead defines a whole
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# series of macros.
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arch-y :=
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arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
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arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
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arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 -march=armv5
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# This selects how we optimise for the processor.
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tune-y :=
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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_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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CFLAGS_BOOT :=$(apcs-y) $(arch-y) $(tune-y) -mshort-load-bytes -msoft-float -Uarm
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CFLAGS +=$(apcs-y) $(arch-y) $(tune-y) -mshort-load-bytes -msoft-float -Uarm
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AFLAGS +=$(apcs-y) $(arch-y) -mno-fpu -msoft-float
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ifeq ($(CONFIG_CPU_26),y)
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PROCESSOR := armo
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ifeq ($(CONFIG_ROM_KERNEL),y)
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DATAADDR = 0x02080000
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TEXTADDR = 0x03800000
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LDSCRIPT = arch/arm/vmlinux-armo-rom.lds.in
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else
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TEXTADDR = 0x02080000
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LDSCRIPT = arch/arm/vmlinux-armo.lds.in
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endif
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endif
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ifeq ($(CONFIG_CPU_32),y)
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PROCESSOR = armv
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TEXTADDR = 0xC0008000
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LDSCRIPT = arch/arm/vmlinux-armv.lds.in
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endif
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ifeq ($(CONFIG_ARCH_ARCA5K),y)
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MACHINE = arc
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endif
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ifeq ($(CONFIG_ARCH_RPC),y)
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MACHINE = rpc
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endif
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ifeq ($(CONFIG_ARCH_EBSA110),y)
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MACHINE = ebsa110
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CFLAGS_3c589_cs :=-DISA_SIXTEEN_BIT_PERIPHERAL
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export CFLAGS_3c589_cs
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endif
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ifeq ($(CONFIG_ARCH_CLPS7500),y)
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MACHINE = clps7500
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INCDIR = cl7500
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endif
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ifeq ($(CONFIG_ARCH_RISCSTATION),y)
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MACHINE = riscstation
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endif
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ifeq ($(CONFIG_FOOTBRIDGE),y)
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MACHINE = footbridge
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INCDIR = ebsa285
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endif
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ifeq ($(CONFIG_ARCH_CO285),y)
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TEXTADDR = 0x60008000
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MACHINE = footbridge
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INCDIR = ebsa285
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endif
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ifeq ($(CONFIG_ARCH_FTVPCI),y)
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MACHINE = ftvpci
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INCDIR = nexuspci
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endif
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ifeq ($(CONFIG_ARCH_TBOX),y)
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MACHINE = tbox
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endif
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ifeq ($(CONFIG_ARCH_SHARK),y)
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MACHINE = shark
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endif
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ifeq ($(CONFIG_ARCH_SA1100),y)
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ifeq ($(CONFIG_SA1111),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 = 0xc0208000
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endif
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MACHINE = sa1100
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endif
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ifeq ($(CONFIG_ARCH_L7200),y)
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MACHINE = l7200
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endif
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ifeq ($(CONFIG_ARCH_INTEGRATOR),y)
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MACHINE = integrator
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endif
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ifeq ($(CONFIG_ARCH_AT91RM9200),y)
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MACHINE = at91rm9200
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endif
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ifeq ($(CONFIG_ARCH_MX1ADS),y)
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MACHINE = mx1ads
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endif
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ifeq ($(CONFIG_ARCH_CAMELOT),y)
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MACHINE = epxa
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endif
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ifeq ($(CONFIG_ARCH_CLPS711X),y)
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TEXTADDR = 0xc0028000
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MACHINE = clps711x
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endif
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ifeq ($(CONFIG_ARCH_FORTUNET),y)
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TEXTADDR = 0xc0208000
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endif
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ifeq ($(CONFIG_ARCH_ANAKIN),y)
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MACHINE = anakin
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endif
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ifeq ($(CONFIG_ARCH_OMAHA),y)
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MACHINE = omaha
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endif
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export MACHINE PROCESSOR TEXTADDR GZFLAGS CFLAGS_BOOT OBJCOPYFLAGS
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# Only set INCDIR if its not already defined above
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# Grr, ?= doesn't work as all the other assignment operators do. Make bug?
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ifeq ($(origin INCDIR), undefined)
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INCDIR :=$(MACHINE)
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endif
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ifeq ($(origin DATAADDR), undefined)
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DATAADDR := .
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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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MACHDIR := arch/arm/mach-$(MACHINE)
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ifeq ($(MACHDIR),$(wildcard $(MACHDIR)))
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SUBDIRS += $(MACHDIR)
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CORE_FILES := $(MACHDIR)/$(MACHINE).o $(CORE_FILES)
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endif
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HEAD :=arch/arm/kernel/head-$(PROCESSOR).o \
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arch/arm/kernel/init_task.o
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SUBDIRS +=arch/arm/kernel arch/arm/mm arch/arm/lib arch/arm/nwfpe
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CORE_FILES :=arch/arm/kernel/kernel.o arch/arm/mm/mm.o $(CORE_FILES)
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LIBS :=arch/arm/lib/lib.a $(LIBS)
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ifeq ($(CONFIG_FPE_NWFPE),y)
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LIBS :=arch/arm/nwfpe/math-emu.o $(LIBS)
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endif
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# Only include fastfpe if it is part of the kernel tree.
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FASTFPE :=arch/arm/fastfpe
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ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
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SUBDIRS +=$(FASTFPE)
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ifeq ($(CONFIG_FPE_FASTFPE),y)
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LIBS :=arch/arm/fastfpe/fast-math-emu.o $(LIBS)
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endif
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endif
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ifeq ($(findstring y,$(CONFIG_USB_OHCI_SA1111) $(CONFIG_USB_OHCI_AT91)),y)
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SUBDIRS +=arch/arm/common
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CORE_FILES +=arch/arm/common/nopci.o
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endif
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ifeq ($(findstring y,$(CONFIG_ARCH_CLPS7500) $(CONFIG_ARCH_L7200)),y)
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SUBDIRS +=drivers/acorn/char
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DRIVERS +=drivers/acorn/char/acorn-char.o
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| 213 |
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endif
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| 214 |
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ifeq ($(CONFIG_ARCH_RISCSTATION),y)
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SUBDIRS +=drivers/acorn/char
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DRIVERS +=drivers/acorn/char/acorn-char.o
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endif
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MAKEBOOT =$(MAKE) -C arch/$(ARCH)/boot
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MAKETOOLS =$(MAKE) -C arch/$(ARCH)/tools
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# The following is a hack to get 'constants.h' up
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# to date before starting compilation
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$(patsubst %,_dir_%, $(SUBDIRS)): maketools
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$(patsubst %,_modsubdir_%,$(MOD_DIRS)): maketools
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symlinks: include/asm-arm/.arch include/asm-arm/.proc
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| 231 |
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# Update machine arch and proc symlinks if something which affects
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# them changed. We use .arch and .proc to indicate when they were
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# updated last, otherwise make uses the target directory mtime.
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| 235 |
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include/asm-arm/.arch: $(wildcard include/config/arch/*.h)
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ifneq ("$(INCDIR)","")
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@echo ' Making asm-arm/arch -> asm-arm/arch-$(INCDIR) symlink'
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| 238 |
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@rm -f include/asm-arm/arch
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| 239 |
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@ln -sf arch-$(INCDIR) include/asm-arm/arch
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| 240 |
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@touch $@
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| 241 |
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else
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| 242 |
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@echo ' No architecture defined. You may want to use a pre-packaged config. make a5k_config, ebsa110_config, footbridge_config, etc.'
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| 243 |
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endif
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| 244 |
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| 245 |
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include/asm-arm/.proc: $(wildcard include/config/cpu/32.h) $(wildcard include/config/cpu/26.h)
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| 246 |
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ifneq ("$(INCDIR)","")
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| 247 |
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@echo ' Making asm-arm/proc -> asm-arm/proc-$(PROCESSOR) symlink'
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| 248 |
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@rm -f include/asm-arm/proc
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| 249 |
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@ln -sf proc-$(PROCESSOR) include/asm-arm/proc
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| 250 |
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@touch $@
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| 251 |
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else
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| 252 |
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@echo ' No architecture defined. You may want to use a pre-packaged config. make a5k_config, ebsa110_config, footbridge_config, etc.'
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| 253 |
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endif
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| 254 |
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| 255 |
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.PHONY: maketools
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| 256 |
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maketools: include/asm-arm/.arch include/asm-arm/.proc \
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| 257 |
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include/asm-arm/constants.h include/linux/version.h checkbin
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| 258 |
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@$(MAKETOOLS)
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| 259 |
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| 260 |
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vmlinux: arch/arm/vmlinux.lds
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| 261 |
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| 262 |
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arch/arm/vmlinux.lds: arch/arm/Makefile $(LDSCRIPT) \
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| 263 |
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$(wildcard include/config/cpu/32.h) \
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| 264 |
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$(wildcard include/config/cpu/26.h) \
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| 265 |
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$(wildcard include/config/arch/*.h)
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| 266 |
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@echo ' Generating $@'
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| 267 |
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@sed 's/TEXTADDR/$(TEXTADDR)/;s/DATAADDR/$(DATAADDR)/' $(LDSCRIPT) >$@
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| 268 |
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| 269 |
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arch/arm/kernel arch/arm/mm arch/arm/lib: dummy
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| 270 |
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$(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" $(subst $@, _dir_$@, $@)
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| 271 |
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| 272 |
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bzImage zImage zinstall Image bootpImage install: vmlinux
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| 273 |
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@$(MAKEBOOT) $@
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| 274 |
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| 275 |
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CLEAN_FILES += \
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| 276 |
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arch/arm/vmlinux.lds
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| 277 |
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| 278 |
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MRPROPER_FILES += \
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| 279 |
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arch/arm/tools/constants.h* \
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| 280 |
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include/asm-arm/arch include/asm-arm/.arch \
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| 281 |
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include/asm-arm/proc include/asm-arm/.proc \
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| 282 |
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include/asm-arm/constants.h* \
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| 283 |
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include/asm-arm/mach-types.h
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| 284 |
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| 285 |
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# We use MRPROPER_FILES and CLEAN_FILES now
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| 286 |
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archmrproper: FORCE
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| 287 |
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@/bin/true
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| 288 |
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| 289 |
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archclean: FORCE
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| 290 |
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@$(MAKEBOOT) clean
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| 291 |
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| 292 |
|
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archdep: scripts/mkdep symlinks
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| 293 |
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@$(MAKETOOLS) dep
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| 294 |
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@$(MAKEBOOT) dep
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| 295 |
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| 296 |
|
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# Ensure this is ld "2.9.5" or later
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| 297 |
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NEW_LINKER := $(shell $(LD) --gc-sections --version >/dev/null 2>&1; echo $$?)
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| 298 |
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|
| 299 |
|
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ifneq ($(NEW_LINKER),0)
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| 300 |
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checkbin: FORCE
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| 301 |
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@echo '*** ${VERSION}.${PATCHLEVEL} kernels no longer build correctly with old versions of binutils.'
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| 302 |
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@echo '*** Please upgrade your binutils to 2.9.5.'
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| 303 |
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@false
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| 304 |
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else
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| 305 |
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checkbin: FORCE
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| 306 |
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@true
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| 307 |
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endif
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| 308 |
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| 309 |
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.PHONY: FORCE
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| 310 |
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| 311 |
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# My testing targets (that short circuit a few dependencies)
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| 312 |
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zImg:; @$(MAKEBOOT) zImage
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| 313 |
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Img:; @$(MAKEBOOT) Image
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| 314 |
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i:; @$(MAKEBOOT) install
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| 315 |
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zi:; @$(MAKEBOOT) zinstall
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| 316 |
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bp:; @$(MAKEBOOT) bootpImage
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| 317 |
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| 318 |
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#
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| 319 |
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# Configuration targets. Use these to select a
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| 320 |
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# configuration for your architecture
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| 321 |
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%_config:
|
| 322 |
|
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@( \
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| 323 |
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CFG=$(@:_config=); \
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| 324 |
|
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if [ -f arch/arm/def-configs/$$CFG ]; then \
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| 325 |
|
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[ -f .config ] && mv -f .config .config.old; \
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| 326 |
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cp arch/arm/def-configs/$$CFG .config; \
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| 327 |
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echo "*** Default configuration for $$CFG installed"; \
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| 328 |
|
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echo "*** Next, you may run 'make oldconfig'"; \
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| 329 |
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else \
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| 330 |
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echo "$$CFG does not exist"; \
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| 331 |
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fi; \
|
| 332 |
|
|
)
|
