Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

# $Id: Makefile,v 1.35 2004/04/15 03:39:20 sugioka Exp $
#
# 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) 1999  Kaz Kojima
# Copyright (C) 2002, 2003, 2004  Paul Mundt
# Copyright (C) 2002  M. R. Brown
#
# 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
#
isa-y                                   := any
isa-$(CONFIG_SH_DSP)                    := sh
isa-$(CONFIG_CPU_SH2)                   := sh2
isa-$(CONFIG_CPU_SH2A)                  := sh2a
isa-$(CONFIG_CPU_SH3)                   := sh3
isa-$(CONFIG_CPU_SH4)                   := sh4
isa-$(CONFIG_CPU_SH4A)                  := sh4a
isa-$(CONFIG_CPU_SH4AL_DSP)             := sh4al

isa-$(CONFIG_SH_DSP)                    := $(isa-y)-dsp

ifndef CONFIG_MMU
isa-y                   := $(isa-y)-nommu
endif

ifndef CONFIG_SH_DSP
ifndef CONFIG_SH_FPU
isa-y                   := $(isa-y)-nofpu
endif
endif

isa-y                   := $(isa-y)-up

cflags-$(CONFIG_CPU_SH2)                := $(call cc-option,-m2,)
cflags-$(CONFIG_CPU_SH2A)               += $(call cc-option,-m2a,) \
                                           $(call cc-option,-m2a-nofpu,)
cflags-$(CONFIG_CPU_SH3)                := $(call cc-option,-m3,)
cflags-$(CONFIG_CPU_SH4)                := $(call cc-option,-m4,) \
        $(call cc-option,-mno-implicit-fp,-m4-nofpu)
cflags-$(CONFIG_CPU_SH4A)               += $(call cc-option,-m4a,) \
                                           $(call cc-option,-m4a-nofpu,)

cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml

#
# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
# support it, while -Wa,-dsp by itself limits the range of usable opcodes
# on certain CPU subtypes. Try the ISA variant first, and if that fails,
# fall back on -Wa,-dsp for the old binutils versions. Even without DSP
# opcodes, we always want the best ISA tuning the version of binutils
# will provide.
#
isaflags-y      := $(call as-option,-Wa$(comma)-isa=$(isa-y),)

isaflags-$(CONFIG_SH_DSP)               := \
        $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)

cflags-y        += $(isaflags-y) -ffreestanding

cflags-$(CONFIG_MORE_COMPILE_OPTIONS)   += \
        $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')

OBJCOPYFLAGS    := -O binary -R .note -R .note.gnu.build-id -R .comment -R .stab -R .stabstr -S

#
# arch/sh/defconfig doesn't reflect any real hardware, and as such should
# never be used by anyone. Use a board-specific defconfig that has a
# reasonable chance of being current instead.
#
KBUILD_DEFCONFIG := r7780rp_defconfig

KBUILD_IMAGE    := arch/sh/boot/zImage

#
# Choosing incompatible machines durings configuration will result in
# error messages during linking.
#
LDFLAGS_vmlinux     += -e _stext

ifdef CONFIG_CPU_LITTLE_ENDIAN
LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64'
LDFLAGS                 += -EL
else
LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64+4'
LDFLAGS                 += -EB
endif

KBUILD_CFLAGS           += -pipe $(cflags-y)
KBUILD_AFLAGS           += $(cflags-y)

head-y := arch/sh/kernel/head.o arch/sh/kernel/init_task.o

LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)

core-y                          += arch/sh/kernel/ arch/sh/mm/
core-$(CONFIG_SH_FPU_EMU)       += arch/sh/math-emu/

# Boards
machdir-$(CONFIG_SH_SOLUTION_ENGINE)            += se/770x
machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE)       += se/7722
machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE)       += se/7751
machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE)       += se/7780
machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE)       += se/7343
machdir-$(CONFIG_SH_HP6XX)                      += hp6xx
machdir-$(CONFIG_SH_DREAMCAST)                  += dreamcast
machdir-$(CONFIG_SH_MPC1211)                    += mpc1211
machdir-$(CONFIG_SH_SH03)                       += sh03
machdir-$(CONFIG_SH_SECUREEDGE5410)             += snapgear
machdir-$(CONFIG_SH_HS7751RVOIP)                += renesas/hs7751rvoip
machdir-$(CONFIG_SH_RTS7751R2D)                 += renesas/rts7751r2d
machdir-$(CONFIG_SH_7751_SYSTEMH)               += renesas/systemh
machdir-$(CONFIG_SH_EDOSK7705)                  += renesas/edosk7705
machdir-$(CONFIG_SH_HIGHLANDER)                 += renesas/r7780rp
machdir-$(CONFIG_SH_7710VOIPGW)                 += renesas/sh7710voipgw
machdir-$(CONFIG_SH_X3PROTO)                    += renesas/x3proto
machdir-$(CONFIG_SH_SH4202_MICRODEV)            += superh/microdev
machdir-$(CONFIG_SH_LANDISK)                    += landisk
machdir-$(CONFIG_SH_TITAN)                      += titan
machdir-$(CONFIG_SH_SHMIN)                      += shmin
machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE)       += se/7206
machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE)       += se/7619
machdir-$(CONFIG_SH_LBOX_RE2)                   += lboxre2
machdir-$(CONFIG_SH_MAGIC_PANEL_R2)             += magicpanelr2

incdir-y        := $(notdir $(machdir-y))

ifneq ($(machdir-y),)
core-y  += $(addprefix arch/sh/boards/, \
             $(filter-out ., $(patsubst %,%/,$(machdir-y))))
endif

# Companion chips
core-$(CONFIG_HD6446X_SERIES)   += arch/sh/cchips/hd6446x/
core-$(CONFIG_MFD_SM501)        += arch/sh/cchips/voyagergx/

cpuincdir-$(CONFIG_CPU_SH2)     := cpu-sh2
cpuincdir-$(CONFIG_CPU_SH2A)    := cpu-sh2a
cpuincdir-$(CONFIG_CPU_SH3)     := cpu-sh3
cpuincdir-$(CONFIG_CPU_SH4)     := cpu-sh4

libs-y                          := arch/sh/lib/ $(libs-y) $(LIBGCC)

drivers-y                       += arch/sh/drivers/
drivers-$(CONFIG_OPROFILE)      += arch/sh/oprofile/

boot := arch/sh/boot

CPPFLAGS_vmlinux.lds := -traditional

incdir-prefix   := $(srctree)/include/asm-sh/

#       Update machine arch and proc symlinks if something which affects
#       them changed.  We use .arch and .mach to indicate when they were
#       updated last, otherwise make uses the target directory mtime.

include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \
                     include/config/auto.conf FORCE
        @echo '  SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)'
        $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
        $(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu
        @touch $@

#       Most boards have their own mach directories.  For the ones that
#       don't, just reference the parent directory so the semantics are
#       kept roughly the same.
#
#       When multiple boards are compiled in at the same time, preference
#       for the mach link is given to whichever has a directory for its
#       headers. However, this is only a workaround until platforms that
#       can live in the same kernel image back away from relying on the
#       mach link.

include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \
                      include/config/auto.conf FORCE
        $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
        $(Q)rm -f include/asm-sh/mach
        $(Q)for i in $(incdir-y); do \
        if [ -d $(incdir-prefix)$$i ]; then \
                echo -n '  SYMLINK include/asm-sh/mach -> '; \
                echo -e "include/asm-sh/$$i"; \
                ln -fsn $(incdir-prefix)$$i \
                        include/asm-sh/mach; \
        else \
                if [ ! -d include/asm-sh/mach ]; then \
                        echo -n '  SYMLINK include/asm-sh/mach -> '; \
                        echo -e 'include/asm-sh'; \
                        ln -fsn $(incdir-prefix) include/asm-sh/mach; \
                fi; \
        fi; \
        done
        @touch $@

archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools

PHONY += maketools FORCE
maketools:  include/linux/version.h FORCE
        $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h

all: zImage

zImage uImage uImage.srec vmlinux.srec: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@

compressed: zImage

archclean:
        $(Q)$(MAKE) $(clean)=$(boot)

CLEAN_FILES += include/asm-sh/machtypes.h \
               include/asm-sh/cpu include/asm-sh/.cpu \
               include/asm-sh/mach include/asm-sh/.mach

define archhelp
        @echo '* zImage                    - Compressed kernel image'
        @echo '  vmlinux.srec              - Create an ELF S-record'
        @echo '  uImage                    - Create a bootable image for U-Boot'
        @echo '  uImage.srec               - Create an S-record for U-Boot'
endef