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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
LINKFLAGS :=-p -X -T arch/arm/vmlinux.lds
GZFLAGS :=-9
CFLAGS +=-fno-common -pipe
ifneq ($(CONFIG_NO_FRAME_POINTER),y)
CFLAGS :=$(CFLAGS:-fomit-frame-pointer=)
endif
ifeq ($(CONFIG_DEBUG_INFO),y)
CFLAGS +=-g
endif
# Select CPU dependent flags. Note that order of declaration is important;
# the options further down the list override previous items.
#
# Note! For APCS-26 YOU MUST HAVE AN APCS-26 LIBGCC.A
#
apcs-y :=-mapcs-32
apcs-$(CONFIG_CPU_26) :=-mapcs-26 -mcpu=arm3 -Os
# This selects which instruction set is used.
arch-y :=
arch-$(CONFIG_CPU_32v3) :=-march=armv3
arch-$(CONFIG_CPU_32v4) :=-march=armv4
arch-$(CONFIG_CPU_32v5) :=-march=armv5
# This selects how we optimise for the processor.
tune-y :=
tune-$(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_ARM926T) :=-mtune=arm9tdmi
tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
CFLAGS +=$(apcs-y) $(arch-y) $(tune-y) -mshort-load-bytes -msoft-float
AFLAGS +=$(apcs-y) $(arch-y) -mno-fpu -msoft-float
ifeq ($(CONFIG_CPU_26),y)
PROCESSOR = armo
ifeq ($(CONFIG_ROM_KERNEL),y)
DATAADDR = 0x02080000
TEXTADDR = 0x03800000
LDSCRIPT = arch/arm/vmlinux-armo-rom.lds.in
else
TEXTADDR = 0x02080000
LDSCRIPT = arch/arm/vmlinux-armo.lds.in
endif
endif
ifeq ($(CONFIG_CPU_32),y)
PROCESSOR = armv
TEXTADDR = 0xC0008000
LDSCRIPT = arch/arm/vmlinux-armv.lds.in
endif
ifeq ($(CONFIG_ARCH_ARCA5K),y)
MACHINE = arc
endif
ifeq ($(CONFIG_ARCH_RPC),y)
MACHINE = rpc
endif
ifeq ($(CONFIG_ARCH_EBSA110),y)
MACHINE = ebsa110
endif
ifeq ($(CONFIG_ARCH_CLPS7500),y)
MACHINE = clps7500
INCDIR = cl7500
endif
ifeq ($(CONFIG_FOOTBRIDGE),y)
MACHINE = footbridge
INCDIR = ebsa285
endif
ifeq ($(CONFIG_ARCH_CO285),y)
TEXTADDR = 0x60008000
MACHINE = footbridge
INCDIR = ebsa285
endif
ifeq ($(CONFIG_ARCH_FTVPCI),y)
MACHINE = ftvpci
INCDIR = nexuspci
endif
ifeq ($(CONFIG_ARCH_TBOX),y)
MACHINE = tbox
endif
ifeq ($(CONFIG_ARCH_SHARK),y)
MACHINE = shark
endif
ifeq ($(CONFIG_ARCH_SA1100),y)
ifeq ($(CONFIG_SA1111),y)
# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
TEXTADDR = 0xc0208000
endif
MACHINE = sa1100
endif
ifeq ($(CONFIG_ARCH_L7200),y)
MACHINE = l7200
endif
ifeq ($(CONFIG_ARCH_INTEGRATOR),y)
MACHINE = integrator
endif
ifeq ($(CONFIG_ARCH_CAMELOT),y)
MACHINE = epxa10db
endif
ifeq ($(CONFIG_ARCH_CLPS711X),y)
TEXTADDR = 0xc0028000
MACHINE = clps711x
endif
ifeq ($(CONFIG_ARCH_ANAKIN),y)
MACHINE = anakin
endif
export MACHINE PROCESSOR TEXTADDR GZFLAGS
# Only set INCDIR if its not already defined above
# Grr, ?= doesn't work as all the other assignment operators do. Make bug?
ifeq ($(origin INCDIR), undefined)
INCDIR := $(MACHINE)
endif
ifeq ($(origin DATAADDR), undefined)
DATAADDR := .
endif
# If we have a machine-specific directory, then include it in the build.
MACHDIR := arch/arm/mach-$(MACHINE)
ifeq ($(MACHDIR),$(wildcard $(MACHDIR)))
SUBDIRS += $(MACHDIR)
CORE_FILES := $(MACHDIR)/$(MACHINE).o $(CORE_FILES)
endif
HEAD := arch/arm/kernel/head-$(PROCESSOR).o \
arch/arm/kernel/init_task.o
SUBDIRS += arch/arm/kernel arch/arm/mm arch/arm/lib arch/arm/nwfpe
CORE_FILES := arch/arm/kernel/kernel.o arch/arm/mm/mm.o $(CORE_FILES)
LIBS := arch/arm/lib/lib.a $(LIBS)
ifeq ($(CONFIG_FPE_NWFPE),y)
LIBS := arch/arm/nwfpe/math-emu.o $(LIBS)
endif
# Only include fastfpe if it is part of the kernel tree.
FASTFPE := arch/arm/fastfpe
ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
SUBDIRS += $(FASTFPE)
ifeq ($(CONFIG_FPE_FASTFPE),y)
LIBS := arch/arm/fastfpe/fast-math-emu.o $(LIBS)
endif
endif
ifeq ($(findstring y,$(CONFIG_ARCH_CLPS7500) $(CONFIG_ARCH_L7200)),y)
SUBDIRS += drivers/acorn/char
DRIVERS += drivers/acorn/char/acorn-char.o
endif
MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
MAKETOOLS = $(MAKE) -C arch/$(ARCH)/tools
# The following is a hack to get 'constants.h' up
# to date before starting compilation
$(patsubst %,_dir_%, $(SUBDIRS)): maketools
$(patsubst %,_modsubdir_%,$(MOD_DIRS)): maketools
symlinks: archsymlinks
archsymlinks:
$(RM) include/asm-arm/arch include/asm-arm/proc
(cd include/asm-arm; ln -sf arch-$(INCDIR) arch; ln -sf proc-$(PROCESSOR) proc)
vmlinux: arch/arm/vmlinux.lds
arch/arm/vmlinux.lds: $(LDSCRIPT) dummy
@sed 's/TEXTADDR/$(TEXTADDR)/;s/DATAADDR/$(DATAADDR)/' $(LDSCRIPT) >$@
arch/arm/kernel arch/arm/mm arch/arm/lib: dummy
$(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" $(subst $@, _dir_$@, $@)
bzImage zImage zinstall Image bootpImage install: vmlinux
@$(MAKEBOOT) $@
CLEAN_FILES += \
arch/arm/vmlinux.lds
MRPROPER_FILES += \
include/asm-arm/arch \
include/asm-arm/proc \
include/asm-arm/constants.h* \
include/asm-arm/mach-types.h
# We use MRPROPER_FILES and CLEAN_FILES now
archmrproper:
@/bin/true
archclean:
@$(MAKEBOOT) clean
archdep: scripts/mkdep archsymlinks
@$(MAKETOOLS) dep
@$(MAKEBOOT) dep
# we need version.h
maketools: checkbin include/linux/version.h
@$(MAKETOOLS) all
# Ensure this is ld "2.9.4" or later
NEW_LINKER := $(shell $(LD) --gc-sections --version >/dev/null 2>&1; echo $$?)
ifneq ($(NEW_LINKER),0)
checkbin:
@echo '*** ${VERSION}.${PATCHLEVEL} kernels no longer build correctly with old versions of binutils.'
@echo '*** Please upgrade your binutils to 2.9.5.'
@false
else
checkbin:
@true
endif
# My testing targets (that short circuit a few dependencies)
zImg:; @$(MAKEBOOT) zImage
Img:; @$(MAKEBOOT) Image
i:; @$(MAKEBOOT) install
zi:; @$(MAKEBOOT) zinstall
bp:; @$(MAKEBOOT) bootpImage
#
# Configuration targets. Use these to select a
# configuration for your architecture
%_config:
@( \
CFG=$(@:_config=); \
if [ -f arch/arm/def-configs/$$CFG ]; then \
[ -f .config ] && $(MV) .config .config.old; \
cp arch/arm/def-configs/$$CFG .config; \
echo "*** Default configuration for $$CFG installed"; \
echo "*** Next, you may run 'make oldconfig'"; \
else \
echo "$$CFG does not exist"; \
fi; \
)
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