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xianfeng |
# $Id: Makefile,v 1.35 2004/04/15 03:39:20 sugioka Exp $
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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) 1999 Kaz Kojima
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# Copyright (C) 2002, 2003, 2004 Paul Mundt
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# Copyright (C) 2002 M. R. Brown
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#
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# This file is included by the global makefile so that you can add your own
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# architecture-specific flags and dependencies. Remember to do have actions
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# for "archclean" and "archdep" for cleaning up and making dependencies for
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# this architecture
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#
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isa-y := any
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isa-$(CONFIG_SH_DSP) := sh
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isa-$(CONFIG_CPU_SH2) := sh2
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isa-$(CONFIG_CPU_SH2A) := sh2a
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isa-$(CONFIG_CPU_SH3) := sh3
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isa-$(CONFIG_CPU_SH4) := sh4
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isa-$(CONFIG_CPU_SH4A) := sh4a
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isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
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isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
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ifndef CONFIG_MMU
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isa-y := $(isa-y)-nommu
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endif
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ifndef CONFIG_SH_DSP
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ifndef CONFIG_SH_FPU
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isa-y := $(isa-y)-nofpu
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endif
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endif
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isa-y := $(isa-y)-up
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cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
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cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
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$(call cc-option,-m2a-nofpu,)
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cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
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cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
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$(call cc-option,-mno-implicit-fp,-m4-nofpu)
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cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
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$(call cc-option,-m4a-nofpu,)
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cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
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cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
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#
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# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
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# support it, while -Wa,-dsp by itself limits the range of usable opcodes
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# on certain CPU subtypes. Try the ISA variant first, and if that fails,
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# fall back on -Wa,-dsp for the old binutils versions. Even without DSP
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# opcodes, we always want the best ISA tuning the version of binutils
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# will provide.
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#
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isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
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isaflags-$(CONFIG_SH_DSP) := \
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$(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
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cflags-y += $(isaflags-y) -ffreestanding
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cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \
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$(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
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OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment -R .stab -R .stabstr -S
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#
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# arch/sh/defconfig doesn't reflect any real hardware, and as such should
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# never be used by anyone. Use a board-specific defconfig that has a
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# reasonable chance of being current instead.
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#
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KBUILD_DEFCONFIG := r7780rp_defconfig
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KBUILD_IMAGE := arch/sh/boot/zImage
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#
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# Choosing incompatible machines durings configuration will result in
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# error messages during linking.
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#
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LDFLAGS_vmlinux += -e _stext
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ifdef CONFIG_CPU_LITTLE_ENDIAN
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LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64'
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LDFLAGS += -EL
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else
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LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4'
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LDFLAGS += -EB
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endif
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KBUILD_CFLAGS += -pipe $(cflags-y)
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KBUILD_AFLAGS += $(cflags-y)
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head-y := arch/sh/kernel/head.o arch/sh/kernel/init_task.o
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LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
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core-y += arch/sh/kernel/ arch/sh/mm/
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core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
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# Boards
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machdir-$(CONFIG_SH_SOLUTION_ENGINE) += se/770x
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machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE) += se/7722
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machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE) += se/7751
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machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE) += se/7780
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machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE) += se/7343
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machdir-$(CONFIG_SH_HP6XX) += hp6xx
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machdir-$(CONFIG_SH_DREAMCAST) += dreamcast
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machdir-$(CONFIG_SH_MPC1211) += mpc1211
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machdir-$(CONFIG_SH_SH03) += sh03
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machdir-$(CONFIG_SH_SECUREEDGE5410) += snapgear
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machdir-$(CONFIG_SH_HS7751RVOIP) += renesas/hs7751rvoip
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machdir-$(CONFIG_SH_RTS7751R2D) += renesas/rts7751r2d
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machdir-$(CONFIG_SH_7751_SYSTEMH) += renesas/systemh
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machdir-$(CONFIG_SH_EDOSK7705) += renesas/edosk7705
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machdir-$(CONFIG_SH_HIGHLANDER) += renesas/r7780rp
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machdir-$(CONFIG_SH_7710VOIPGW) += renesas/sh7710voipgw
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machdir-$(CONFIG_SH_X3PROTO) += renesas/x3proto
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machdir-$(CONFIG_SH_SH4202_MICRODEV) += superh/microdev
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machdir-$(CONFIG_SH_LANDISK) += landisk
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machdir-$(CONFIG_SH_TITAN) += titan
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machdir-$(CONFIG_SH_SHMIN) += shmin
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machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE) += se/7206
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machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE) += se/7619
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machdir-$(CONFIG_SH_LBOX_RE2) += lboxre2
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machdir-$(CONFIG_SH_MAGIC_PANEL_R2) += magicpanelr2
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incdir-y := $(notdir $(machdir-y))
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ifneq ($(machdir-y),)
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core-y += $(addprefix arch/sh/boards/, \
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$(filter-out ., $(patsubst %,%/,$(machdir-y))))
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endif
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# Companion chips
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core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
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core-$(CONFIG_MFD_SM501) += arch/sh/cchips/voyagergx/
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cpuincdir-$(CONFIG_CPU_SH2) := cpu-sh2
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cpuincdir-$(CONFIG_CPU_SH2A) := cpu-sh2a
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cpuincdir-$(CONFIG_CPU_SH3) := cpu-sh3
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cpuincdir-$(CONFIG_CPU_SH4) := cpu-sh4
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libs-y := arch/sh/lib/ $(libs-y) $(LIBGCC)
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drivers-y += arch/sh/drivers/
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drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
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boot := arch/sh/boot
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CPPFLAGS_vmlinux.lds := -traditional
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incdir-prefix := $(srctree)/include/asm-sh/
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# Update machine arch and proc symlinks if something which affects
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# them changed. We use .arch and .mach to indicate when they were
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# updated last, otherwise make uses the target directory mtime.
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include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \
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include/config/auto.conf FORCE
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@echo ' SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)'
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$(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
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$(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu
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@touch $@
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# Most boards have their own mach directories. For the ones that
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# don't, just reference the parent directory so the semantics are
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# kept roughly the same.
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#
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# When multiple boards are compiled in at the same time, preference
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# for the mach link is given to whichever has a directory for its
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# headers. However, this is only a workaround until platforms that
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# can live in the same kernel image back away from relying on the
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# mach link.
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include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \
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include/config/auto.conf FORCE
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$(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
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$(Q)rm -f include/asm-sh/mach
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$(Q)for i in $(incdir-y); do \
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if [ -d $(incdir-prefix)$$i ]; then \
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echo -n ' SYMLINK include/asm-sh/mach -> '; \
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echo -e "include/asm-sh/$$i"; \
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ln -fsn $(incdir-prefix)$$i \
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include/asm-sh/mach; \
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else \
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if [ ! -d include/asm-sh/mach ]; then \
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echo -n ' SYMLINK include/asm-sh/mach -> '; \
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echo -e 'include/asm-sh'; \
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ln -fsn $(incdir-prefix) include/asm-sh/mach; \
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fi; \
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fi; \
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done
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@touch $@
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archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools
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PHONY += maketools FORCE
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maketools: include/linux/version.h FORCE
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$(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
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all: zImage
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zImage uImage uImage.srec vmlinux.srec: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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compressed: zImage
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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CLEAN_FILES += include/asm-sh/machtypes.h \
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include/asm-sh/cpu include/asm-sh/.cpu \
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include/asm-sh/mach include/asm-sh/.mach
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define archhelp
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@echo '* zImage - Compressed kernel image'
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@echo ' vmlinux.srec - Create an ELF S-record'
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@echo ' uImage - Create a bootable image for U-Boot'
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@echo ' uImage.srec - Create an S-record for U-Boot'
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endef
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