forked from luck/tmp_suning_uos_patched
9cc342f6c4
Currently, the Kbuild core manipulates header search paths in a crazy
way [1].
To fix this mess, I want all Makefiles to add explicit $(srctree)/ to
the search paths in the srctree. Some Makefiles are already written in
that way, but not all. The goal of this work is to make the notation
consistent, and finally get rid of the gross hacks.
Having whitespaces after -I does not matter since commit 48f6e3cf5b
("kbuild: do not drop -I without parameter").
[1]: https://patchwork.kernel.org/patch/9632347/
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
248 lines
8.2 KiB
Makefile
248 lines
8.2 KiB
Makefile
#
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# arch/sh/Makefile
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#
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# Copyright (C) 1999 Kaz Kojima
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# Copyright (C) 2002 - 2008 Paul Mundt
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# Copyright (C) 2002 M. R. Brown
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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ifneq ($(SUBARCH),$(ARCH))
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ifeq ($(CROSS_COMPILE),)
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CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-)
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endif
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endif
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ifeq ($(ARCH),sh)
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KBUILD_DEFCONFIG := shx3_defconfig
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else
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KBUILD_DEFCONFIG := cayman_defconfig
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endif
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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_CPU_SH5) := shmedia
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ifeq ($(CONFIG_SUPERH32),y)
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isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
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isa-y := $(isa-y)-up
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endif
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cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
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cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,)
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cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
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$(call cc-option,-m2a-nofpu,) \
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$(call cc-option,-m4-nofpu,)
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cflags-$(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_SH4AL_DSP) += $(call cc-option,-m4al,)
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cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
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ifeq ($(cflags-y),)
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#
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# In the case where we are stuck with a compiler that has been uselessly
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# restricted to a particular ISA, a favourite default of newer GCCs when
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# extensive multilib targets are not provided, ensure we get the best fit
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# regarding FP generation. This is intentionally stupid (albeit many
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# orders of magnitude less than GCC's default behaviour), as anything
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# with a large number of multilib targets better have been built
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# correctly for the target in mind.
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#
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cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
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grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
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# At this point, anything goes.
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isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
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else
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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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endif
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cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
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cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
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cflags-y += $(call cc-option,-mno-fdpic)
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cflags-y += $(isaflags-y) -ffreestanding
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OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
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-R .stab -R .stabstr -S
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# Give the various platforms the opportunity to set default image types
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defaultimage-$(CONFIG_SUPERH32) := zImage
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defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
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defaultimage-$(CONFIG_SH_RSK) := uImage
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defaultimage-$(CONFIG_SH_URQUELL) := uImage
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defaultimage-$(CONFIG_SH_MIGOR) := uImage
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defaultimage-$(CONFIG_SH_AP325RXA) := uImage
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defaultimage-$(CONFIG_SH_SH7757LCR) := uImage
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defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage
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defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
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defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
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# Set some sensible Kbuild defaults
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boot := arch/sh/boot
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KBUILD_IMAGE := $(boot)/$(defaultimage-y)
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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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ifdef CONFIG_SUPERH32
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UTS_MACHINE := sh
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BITS := 32
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LDFLAGS_vmlinux += -e _stext
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else
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UTS_MACHINE := sh64
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BITS := 64
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LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
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--defsym phys_stext_shmedia=phys_stext+1 \
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-e phys_stext_shmedia
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endif
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ifdef CONFIG_CPU_LITTLE_ENDIAN
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ld-bfd := elf32-$(UTS_MACHINE)-linux
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LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
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KBUILD_LDFLAGS += -EL
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else
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ld-bfd := elf32-$(UTS_MACHINE)big-linux
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LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
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KBUILD_LDFLAGS += -EB
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endif
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export ld-bfd BITS
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head-y := arch/sh/kernel/head_$(BITS).o
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core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
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core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
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core-$(CONFIG_USE_BUILTIN_DTB) += arch/sh/boot/dts/
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# Mach groups
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machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
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machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
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machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
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machdir-$(CONFIG_SH_SH03) += mach-sh03
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machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
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machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
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machdir-$(CONFIG_SH_MIGOR) += mach-migor
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machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa
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machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
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machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
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machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
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machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786
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machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
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machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
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machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
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machdir-$(CONFIG_SH_LANDISK) += mach-landisk
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machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
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machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
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machdir-$(CONFIG_SH_RSK) += mach-rsk
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ifneq ($(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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# Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
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machdir-y += mach-common
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# Companion chips
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core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
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#
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# CPU header paths
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#
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# These are ordered by optimization level. A CPU family that is a subset
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# of another (ie, SH-2A / SH-2), is picked up first, with increasing
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# levels of genericness if nothing more suitable is situated in the
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# hierarchy.
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#
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# As an example, in order of preference, SH-2A > SH-2 > common definitions.
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#
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cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
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cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
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cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
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cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
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cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
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cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
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cpuincdir-y += cpu-common # Must be last
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drivers-y += arch/sh/drivers/
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drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/
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cflags-y += $(foreach d, $(cpuincdir-y), -I $(srctree)/arch/sh/include/$(d)) \
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$(foreach d, $(machdir-y), -I $(srctree)/arch/sh/include/$(d))
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KBUILD_CFLAGS += -pipe $(cflags-y)
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KBUILD_CPPFLAGS += $(cflags-y)
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KBUILD_AFLAGS += $(cflags-y)
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ifeq ($(CONFIG_MCOUNT),y)
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KBUILD_CFLAGS += -pg
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endif
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ifeq ($(CONFIG_DWARF_UNWINDER),y)
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KBUILD_CFLAGS += -fasynchronous-unwind-tables
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endif
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libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
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libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
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BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
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uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
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romImage
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PHONY += $(BOOT_TARGETS)
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all: $(notdir $(KBUILD_IMAGE))
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$(BOOT_TARGETS): vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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compressed: zImage
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archprepare:
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$(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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$(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
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archheaders:
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$(Q)$(MAKE) $(build)=arch/sh/kernel/syscalls all
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define archhelp
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@echo ' zImage - Compressed kernel image'
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@echo ' romImage - Compressed ROM image, if supported'
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@echo ' vmlinux.srec - Create an ELF S-record'
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@echo ' vmlinux.bin - Create an uncompressed binary image'
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@echo '* uImage - Alias to bootable U-Boot image'
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@echo ' uImage.srec - Create an S-record for U-Boot'
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@echo ' uImage.bin - Kernel-only image for U-Boot (bin)'
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@echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
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@echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
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@echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
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@echo ' uImage.xz - Kernel-only image for U-Boot (xz)'
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@echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'
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endef
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