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#
# arch/arm/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies. Remember to do have actions
# for "archclean" and "archdep" for cleaning up and making dependencies for
# this architecture
#
# 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) 1995-2000 by Russell King
LINKFLAGS :=-p -X -T arch/arm/vmlinux.lds
GZFLAGS :=-9
CFLAGS +=-fno-common -pipe
ifdef CONFIG_FRAME_POINTER
CFLAGS :=$(CFLAGS:-fomit-frame-pointer=)
endif
ifdef CONFIG_DEBUG_INFO
CFLAGS +=-g
endif
# 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)
dummy:; @echo '*** ${VERSION}.${PATCHLEVEL} kernels no longer build correctly with old versions of binutils.'
@echo '*** Please upgrade your binutils to 2.9.5.'
@false
endif
# Select CPU dependent flags. Note that order of declaration is important;
# the options further down the list override previous items.
#
apcs-$(CONFIG_CPU_26) :=-mapcs-26 -mcpu=arm3 -Os
apcs-$(CONFIG_CPU_32) :=-mapcs-32
arch-$(CONFIG_CPU_32v3) :=-march=armv3
arch-$(CONFIG_CPU_32v4) :=-march=armv4
arch-$(CONFIG_CPU_32v5) :=-march=armv5
proc-$(CONFIG_CPU_32v3) :=-marmv3m
proc-$(CONFIG_CPU_32v4) :=-marmv4
proc-$(CONFIG_CPU_32v5) :=-marmv5
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_SA110) :=-mtune=strongarm110
tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
CFLAGS += $(apcs-y) $(arch-y) $(tune-y) -mshort-load-bytes -msoft-float
AFLAGS += $(apcs-y) $(proc-y) -mno-fpu
LIBGCC := $(shell $(CC) $(CFLAGS) --print-libgcc-file-name)
ifeq ($(CONFIG_CPU_26),y)
PROCESSOR = armo
TEXTADDR = 0x02080000
endif
ifeq ($(CONFIG_CPU_32),y)
PROCESSOR = armv
TEXTADDR = 0xC0008000
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_NEXUSPCI),y)
MACHINE = nexuspci
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_CLPS711X),y)
TEXTADDR = 0xc0018000
MACHINE = clps711x
endif
export LIBGCC 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
# 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.o arch/arm/lib/lib.a $(LIBS) $(LIBGCC)
ifeq ($(CONFIG_NWFPE),y)
LIBS := arch/arm/nwfpe/math-emu.o $(LIBS)
endif
ifeq ($(CONFIG_ARCH_CLPS7500),y)
SUBDIRS += drivers/acorn/char
DRIVERS += drivers/acorn/char/acorn-char.o
endif
MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
# The following is a hack to get 'constants.h' up
# to date before starting compilation
$(patsubst %, _dir_%, $(SUBDIRS)) init/main.o init/version.o : \
include/asm-arm/mach-types.h
$(patsubst %, _dir_%, $(SUBDIRS)) : constants
include/asm-arm/mach-types.h: arch/arm/tools/mach-types \
arch/arm/tools/gen-mach-types
@awk -f arch/arm/tools/gen-mach-types arch/arm/tools/mach-types > $@
constants: dummy
@$(MAKE) -C arch/arm/lib constants.h
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: arch/arm/vmlinux-$(PROCESSOR).lds.in dummy
@sed 's/TEXTADDR/$(TEXTADDR)/' <$< >$@
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) $@
archmrproper:
$(RM) include/asm-arm/arch include/asm-arm/proc
archclean:
@$(MAKEBOOT) clean
$(RM) arch/arm/lib/constants.h arch/arm/vmlinux.lds
$(RM) include/asm-arm/mach-types.h
archdep: archsymlinks
@$(MAKEBOOT) dep
# 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
CFGS= a5k_config ebsa110_config \
footbridge_config rpc_config \
brutus_config victor_config \
empeg_config graphicsclient_config \
assabet_config lart_config \
cerf_config lusl7200_config \
sherman_config pangolin_config
$(CFGS):
@( \
CFG=$(@:_config=); \
if [ -f arch/arm/def-configs/$$CFG ]; then \
$(RM) arch/arm/defconfig; \
cp arch/arm/def-configs/$$CFG arch/arm/defconfig; \
echo "*** Default configuration for $$CFG installed"; \
echo "*** Next, you may run 'make oldconfig'"; \
else \
echo "$$CFG does not exist"; \
fi; \
)
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