#
# arch/sh/Makefile
#
# Copyright (C) 1999 Kaz Kojima
# Copyright (C) 2002 - 2008 Paul Mundt
# Copyright (C) 2002 M. R. Brown
#
# 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.
#
ifneq ($(SUBARCH),$(ARCH))
ifeq ($(CROSS_COMPILE),)
CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-)
endif
endif
isa-y := any
isa-$([31mCONFIG_SH_DSP[0m) := sh
isa-$([31mCONFIG_CPU_SH2[0m) := sh2
isa-$([31mCONFIG_CPU_SH2A[0m) := sh2a
isa-$([31mCONFIG_CPU_SH3[0m) := sh3
isa-$([31mCONFIG_CPU_SH4[0m) := sh4
isa-$([31mCONFIG_CPU_SH4A[0m) := sh4a
isa-$([31mCONFIG_CPU_SH4AL_DSP[0m) := sh4al
isa-$([31mCONFIG_CPU_SH5[0m) := shmedia
ifeq ($([31mCONFIG_SUPERH32[0m),y)
isa-$([31mCONFIG_SH_DSP[0m) := $(isa-y)-dsp
isa-y := $(isa-y)-up
endif
cflags-$([31mCONFIG_CPU_SH2[0m) := $(call cc-option,-m2,)
cflags-$([31mCONFIG_CPU_J2[0m) += $(call cc-option,-mj2,)
cflags-$([31mCONFIG_CPU_SH2A[0m) += $(call cc-option,-m2a,) \
$(call cc-option,-m2a-nofpu,) \
$(call cc-option,-m4-nofpu,)
cflags-$([31mCONFIG_CPU_SH3[0m) := $(call cc-option,-m3,)
cflags-$([31mCONFIG_CPU_SH4[0m) := $(call cc-option,-m4,) \
$(call cc-option,-mno-implicit-fp,-m4-nofpu)
cflags-$([31mCONFIG_CPU_SH4A[0m) += $(call cc-option,-m4a,) \
$(call cc-option,-m4a-nofpu,)
cflags-$([31mCONFIG_CPU_SH4AL_DSP[0m) += $(call cc-option,-m4al,)
cflags-$([31mCONFIG_CPU_SH5[0m) := $(call cc-option,-m5-32media-nofpu,)
ifeq ($(cflags-y),)
#
# In the case where we are stuck with a compiler that has been uselessly
# restricted to a particular ISA, a favourite default of newer GCCs when
# extensive multilib targets are not provided, ensure we get the best fit
# regarding FP generation. This is intentionally stupid (albeit many
# orders of magnitude less than GCC's default behaviour), as anything
# with a large number of multilib targets better have been built
# correctly for the target in mind.
#
cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
# At this point, anything goes.
isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
else
#
# -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=$(isa-y),)
isaflags-$([31mCONFIG_SH_DSP[0m) := \
$(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
endif
cflags-$([31mCONFIG_CPU_BIG_ENDIAN[0m) += -mb
cflags-$([31mCONFIG_CPU_LITTLE_ENDIAN[0m) += -ml
cflags-y += $(call cc-option,-mno-fdpic)
cflags-y += $(isaflags-y) -ffreestanding
OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
-R .stab -R .stabstr -S
# Give the various platforms the opportunity to set default image types
defaultimage-$([31mCONFIG_SUPERH32[0m) := zImage
defaultimage-$([31mCONFIG_SH_SH7785LCR[0m) := uImage
defaultimage-$([31mCONFIG_SH_RSK[0m) := uImage
defaultimage-$([31mCONFIG_SH_URQUELL[0m) := uImage
defaultimage-$([31mCONFIG_SH_MIGOR[0m) := uImage
defaultimage-$([31mCONFIG_SH_AP325RXA[0m) := uImage
defaultimage-$([31mCONFIG_SH_SH7757LCR[0m) := uImage
defaultimage-$([31mCONFIG_SH_7724_SOLUTION_ENGINE[0m) := uImage
defaultimage-$([31mCONFIG_SH_7206_SOLUTION_ENGINE[0m) := vmlinux
defaultimage-$([31mCONFIG_SH_7619_SOLUTION_ENGINE[0m) := vmlinux
# Set some sensible Kbuild defaults
KBUILD_IMAGE := $(defaultimage-y)
#
# Choosing incompatible machines durings configuration will result in
# error messages during linking.
#
ifdef [31mCONFIG_SUPERH32[0m
UTS_MACHINE := sh
BITS := 32
LDFLAGS_vmlinux += -e _stext
KBUILD_DEFCONFIG := shx3_defconfig
else
UTS_MACHINE := sh64
BITS := 64
LDFLAGS_vmlinux += --defsym phys_stext=_stext-$([31mCONFIG_PAGE_OFFSET[0m) \
--defsym phys_stext_shmedia=phys_stext+1 \
-e phys_stext_shmedia
KBUILD_DEFCONFIG := cayman_defconfig
endif
ifdef [31mCONFIG_CPU_LITTLE_ENDIAN[0m
ld-bfd := elf32-$(UTS_MACHINE)-linux
LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
LDFLAGS += -EL
else
ld-bfd := elf32-$(UTS_MACHINE)big-linux
LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
LDFLAGS += -EB
endif
export ld-bfd BITS
head-y := arch/sh/kernel/head_$(BITS).o
core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
core-$([31mCONFIG_SH_FPU_EMU[0m) += arch/sh/math-emu/
core-$([31mCONFIG_USE_BUILTIN_DTB[0m) += arch/sh/boot/dts/
# Mach groups
machdir-$([31mCONFIG_SOLUTION_ENGINE[0m) += mach-se
machdir-$([31mCONFIG_SH_HP6XX[0m) += mach-hp6xx
machdir-$([31mCONFIG_SH_DREAMCAST[0m) += mach-dreamcast
machdir-$([31mCONFIG_SH_SH03[0m) += mach-sh03
machdir-$([31mCONFIG_SH_RTS7751R2D[0m) += mach-r2d
machdir-$([31mCONFIG_SH_HIGHLANDER[0m) += mach-highlander
machdir-$([31mCONFIG_SH_MIGOR[0m) += mach-migor
machdir-$([31mCONFIG_SH_AP325RXA[0m) += mach-ap325rxa
machdir-$([31mCONFIG_SH_KFR2R09[0m) += mach-kfr2r09
machdir-$([31mCONFIG_SH_ECOVEC[0m) += mach-ecovec24
machdir-$([31mCONFIG_SH_SDK7780[0m) += mach-sdk7780
machdir-$([31mCONFIG_SH_SDK7786[0m) += mach-sdk7786
machdir-$([31mCONFIG_SH_X3PROTO[0m) += mach-x3proto
machdir-$([31mCONFIG_SH_SH7763RDP[0m) += mach-sh7763rdp
machdir-$([31mCONFIG_SH_SH4202_MICRODEV[0m) += mach-microdev
machdir-$([31mCONFIG_SH_LANDISK[0m) += mach-landisk
machdir-$([31mCONFIG_SH_LBOX_RE2[0m) += mach-lboxre2
machdir-$([31mCONFIG_SH_CAYMAN[0m) += mach-cayman
machdir-$([31mCONFIG_SH_RSK[0m) += mach-rsk
ifneq ($(machdir-y),)
core-y += $(addprefix arch/sh/boards/, \
$(filter-out ., $(patsubst %,%/,$(machdir-y))))
endif
# Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
machdir-y += mach-common
# Companion chips
core-$([31mCONFIG_HD6446X_SERIES[0m) += arch/sh/cchips/hd6446x/
#
# CPU header paths
#
# These are ordered by optimization level. A CPU family that is a subset
# of another (ie, SH-2A / SH-2), is picked up first, with increasing
# levels of genericness if nothing more suitable is situated in the
# hierarchy.
#
# As an example, in order of preference, SH-2A > SH-2 > common definitions.
#
cpuincdir-$([31mCONFIG_CPU_SH2A[0m) += cpu-sh2a
cpuincdir-$([31mCONFIG_CPU_SH2[0m) += cpu-sh2
cpuincdir-$([31mCONFIG_CPU_SH3[0m) += cpu-sh3
cpuincdir-$([31mCONFIG_CPU_SH4A[0m) += cpu-sh4a
cpuincdir-$([31mCONFIG_CPU_SH4[0m) += cpu-sh4
cpuincdir-$([31mCONFIG_CPU_SH5[0m) += cpu-sh5
cpuincdir-y += cpu-common # Must be last
drivers-y += arch/sh/drivers/
drivers-$([31mCONFIG_OPROFILE[0m) += arch/sh/oprofile/
boot := arch/sh/boot
cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \
$(foreach d, $(machdir-y), -Iarch/sh/include/$(d))
KBUILD_CFLAGS += -pipe $(cflags-y)
KBUILD_CPPFLAGS += $(cflags-y)
KBUILD_AFLAGS += $(cflags-y)
ifeq ($([31mCONFIG_MCOUNT[0m),y)
KBUILD_CFLAGS += -pg
endif
ifeq ($([31mCONFIG_DWARF_UNWINDER[0m),y)
KBUILD_CFLAGS += -fasynchronous-unwind-tables
endif
libs-$([31mCONFIG_SUPERH32[0m) := arch/sh/lib/ $(libs-y)
libs-$([31mCONFIG_SUPERH64[0m) := arch/sh/lib64/ $(libs-y)
BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
romImage
PHONY += $(BOOT_TARGETS)
all: $(KBUILD_IMAGE)
$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
compressed: zImage
archprepare:
$(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
$(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
define archhelp
@echo ' zImage - Compressed kernel image'
@echo ' romImage - Compressed ROM image, if supported'
@echo ' vmlinux.srec - Create an ELF S-record'
@echo ' vmlinux.bin - Create an uncompressed binary image'
@echo '* uImage - Alias to bootable U-Boot image'
@echo ' uImage.srec - Create an S-record for U-Boot'
@echo ' uImage.bin - Kernel-only image for U-Boot (bin)'
@echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
@echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
@echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
@echo ' uImage.xz - Kernel-only image for U-Boot (xz)'
@echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'
endef