linux/arch/mn10300/Makefile

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###############################################################################
#
# MN10300 Kernel makefile system specifications
#
# Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
# Modified by David Howells (dhowells@redhat.com)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public Licence
# as published by the Free Software Foundation; either version
# 2 of the Licence, or (at your option) any later version.
#
###############################################################################
KBUILD_DEFCONFIG := asb2303_defconfig
CCSPECS := $(shell $(CC) -v 2>&1 | grep "^Reading specs from " | head -1 | cut -c20-)
CCDIR := $(strip $(patsubst %/specs,%,$(CCSPECS)))
KBUILD_CPPFLAGS += -nostdinc -I$(CCDIR)/include
LDFLAGS :=
OBJCOPYFLAGS := -O binary -R .note -R .comment -S
#LDFLAGS_vmlinux := -Map linkmap.txt
CHECKFLAGS +=
PROCESSOR := unset
UNIT := unset
KBUILD_CFLAGS += -mam33 -mmem-funcs -DCPU=AM33
KBUILD_AFLAGS += -mam33 -DCPU=AM33
ifeq ($(CONFIG_MN10300_CURRENT_IN_E2),y)
KBUILD_CFLAGS += -ffixed-e2 -fcall-saved-e5
endif
ifeq ($(CONFIG_MN10300_PROC_MN103E010),y)
PROCESSOR := mn103e010
endif
ifeq ($(CONFIG_MN10300_UNIT_ASB2303),y)
UNIT := asb2303
endif
ifeq ($(CONFIG_MN10300_UNIT_ASB2305),y)
UNIT := asb2305
endif
head-y := arch/mn10300/kernel/head.o arch/mn10300/kernel/init_task.o
core-y += arch/mn10300/kernel/ arch/mn10300/mm/
ifneq ($(PROCESSOR),unset)
core-y += arch/mn10300/proc-$(PROCESSOR)/
endif
ifneq ($(UNIT),unset)
core-y += arch/mn10300/unit-$(UNIT)/
endif
libs-y += arch/mn10300/lib/
drivers-$(CONFIG_OPROFILE) += arch/mn10300/oprofile/
boot := arch/mn10300/boot
.PHONY: zImage
KBUILD_IMAGE := $(boot)/zImage
CLEAN_FILES += $(boot)/zImage
CLEAN_FILES += $(boot)/compressed/vmlinux
CLEAN_FILES += $(boot)/compressed/vmlinux.bin
CLEAN_FILES += $(boot)/compressed/vmlinux.bin.gz
zImage: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
all: zImage
bootstrap:
$(Q)$(MAKEBOOT) bootstrap
archclean:
$(Q)$(MAKE) $(clean)=arch/mn10300/proc-mn103e010
$(Q)$(MAKE) $(clean)=arch/mn10300/unit-asb2303
$(Q)$(MAKE) $(clean)=arch/mn10300/unit-asb2305
define archhelp
echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
endef
# If you make sure the .S files get compiled with debug info,
# uncomment the following to disable optimisations
# that are unhelpful whilst debugging.
ifdef CONFIG_DEBUG_INFO
#KBUILD_CFLAGS += -O1
KBUILD_AFLAGS += -Wa,--gdwarf2
endif
###################################################################################################
#
# juggle some symlinks in the MN10300 asm include dir
#
# Update machine proc and unit symlinks if something which affects
# them changed. We use .proc / .unit to indicate when they were
# updated last, otherwise make uses the target directory mtime.
#
###################################################################################################
# processor specific definitions
include/asm-mn10300/.proc: $(wildcard include/config/proc/*.h) include/config/auto.conf
@echo ' SYMLINK include/asm-mn10300/proc -> include/asm-mn10300/proc-$(PROCESSOR)'
ifneq ($(KBUILD_SRC),)
$(Q)mkdir -p include/asm-mn10300
$(Q)ln -fsn $(srctree)/include/asm-mn10300/proc-$(PROCESSOR) include/asm-mn10300/proc
else
$(Q)ln -fsn proc-$(PROCESSOR) include/asm-mn10300/proc
endif
@touch $@
CLEAN_FILES += include/asm-mn10300/proc include/asm-mn10300/.proc
prepare: include/asm-mn10300/.proc
# unit specific definitions
include/asm-mn10300/.unit: $(wildcard include/config/unit/*.h) include/config/auto.conf
@echo ' SYMLINK include/asm-mn10300/unit -> include/asm-mn10300/unit-$(UNIT)'
ifneq ($(KBUILD_SRC),)
$(Q)mkdir -p include/asm-mn10300
$(Q)ln -fsn $(srctree)/include/asm-mn10300/unit-$(UNIT) include/asm-mn10300/unit
else
$(Q)ln -fsn unit-$(UNIT) include/asm-mn10300/unit
endif
@touch $@
CLEAN_FILES += include/asm-mn10300/unit include/asm-mn10300/.unit
prepare: include/asm-mn10300/.unit