-# $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.
+# arch/sh/Makefile
#
# Copyright (C) 1999 Kaz Kojima
-# Copyright (C) 2002, 2003, 2004 Paul Mundt
+# Copyright (C) 2002 - 2008 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
+# 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.
#
isa-y := any
isa-$(CONFIG_SH_DSP) := sh
isa-$(CONFIG_CPU_SH4) := sh4
isa-$(CONFIG_CPU_SH4A) := sh4a
isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
+isa-$(CONFIG_CPU_SH5) := shmedia
+ifeq ($(CONFIG_SUPERH32),y)
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
+isa-y := $(isa-y)-up
endif
-cflags-$(CONFIG_CPU_SH2) := -m2
-cflags-$(CONFIG_CPU_SH3) := -m3
-cflags-$(CONFIG_CPU_SH4) := -m4 \
+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) := -m4a $(call cc-option,-m4a-nofpu,)
+cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
+ $(call cc-option,-m4a-nofpu,)
+cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
+cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,)
+
+ifeq ($(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=$(isa-y),)
+
+isaflags-$(CONFIG_SH_DSP) := \
+ $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
+endif
cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
-cflags-y += $(call as-option,-Wa$(comma)-isa=$(isa-y),)
+cflags-y += $(call cc-option,-mno-fdpic)
+cflags-y += $(isaflags-y) -ffreestanding
-cflags-$(CONFIG_SH_DSP) += -Wa,-dsp
-cflags-$(CONFIG_SH_KGDB) += -g
+OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
+ -R .stab -R .stabstr -S
-cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \
- $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
+# Give the various platforms the opportunity to set default image types
+defaultimage-$(CONFIG_SUPERH32) := zImage
+defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
+defaultimage-$(CONFIG_SH_RSK) := uImage
+defaultimage-$(CONFIG_SH_URQUELL) := uImage
+defaultimage-$(CONFIG_SH_MIGOR) := uImage
+defaultimage-$(CONFIG_SH_AP325RXA) := uImage
+defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage
+defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
+defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
-OBJCOPYFLAGS := -O binary -R .note -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 := rts7751r2d_defconfig
+# Set some sensible Kbuild defaults
+KBUILD_IMAGE := $(defaultimage-y)
#
# Choosing incompatible machines durings configuration will result in
# error messages during linking.
#
-LDFLAGS_vmlinux += -e _stext
+ifdef CONFIG_SUPERH32
+UTS_MACHINE := sh
+BITS := 32
+LDFLAGS_vmlinux += -e _stext
+KBUILD_DEFCONFIG := shx3_defconfig
+else
+UTS_MACHINE := sh64
+BITS := 64
+LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
+ --defsym phys_stext_shmedia=phys_stext+1 \
+ -e phys_stext_shmedia
+KBUILD_DEFCONFIG := cayman_defconfig
+endif
+
+ifneq ($(SUBARCH),$(ARCH))
+ ifeq ($(CROSS_COMPILE),)
+ CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-)
+ endif
+endif
ifdef CONFIG_CPU_LITTLE_ENDIAN
-LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64'
+ld-bfd := elf32-$(UTS_MACHINE)-linux
+LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd)
LDFLAGS += -EL
else
-LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4'
+ld-bfd := elf32-$(UTS_MACHINE)big-linux
+LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd)
LDFLAGS += -EB
endif
-CFLAGS += -pipe $(cflags-y)
-AFLAGS += $(cflags-y)
-
-head-y := arch/sh/kernel/head.o arch/sh/kernel/init_task.o
+export ld-bfd BITS
-LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
+head-y := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o
-core-y += arch/sh/kernel/ arch/sh/mm/
+core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
-# Boards
-machdir-$(CONFIG_SH_SOLUTION_ENGINE) := se/770x
-machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE) := se/7751
-machdir-$(CONFIG_SH_7300_SOLUTION_ENGINE) := se/7300
-machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE) := se/7343
-machdir-$(CONFIG_SH_73180_SOLUTION_ENGINE) := se/73180
-machdir-$(CONFIG_SH_HP6XX) := hp6xx
-machdir-$(CONFIG_SH_EC3104) := ec3104
-machdir-$(CONFIG_SH_SATURN) := saturn
-machdir-$(CONFIG_SH_DREAMCAST) := dreamcast
-machdir-$(CONFIG_SH_BIGSUR) := bigsur
-machdir-$(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-$(CONFIG_SH_R7780RP) := renesas/r7780rp
-machdir-$(CONFIG_SH_7710VOIPGW) := renesas/sh7710voipgw
-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_UNKNOWN) := unknown
-
-incdir-y := $(notdir $(machdir-y))
-incdir-$(CONFIG_SH_HP6XX) := hp6xx
+# Mach groups
+machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
+machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx
+machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
+machdir-$(CONFIG_SH_SH03) += mach-sh03
+machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear
+machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d
+machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh
+machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705
+machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
+machdir-$(CONFIG_SH_MIGOR) += mach-migor
+machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa
+machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
+machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
+machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
+machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
+machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
+machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev
+machdir-$(CONFIG_SH_LANDISK) += mach-landisk
+machdir-$(CONFIG_SH_TITAN) += mach-titan
+machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2
+machdir-$(CONFIG_SH_CAYMAN) += mach-cayman
+machdir-$(CONFIG_SH_RSK) += mach-rsk
ifneq ($(machdir-y),)
-core-y += arch/sh/boards/$(machdir-y)/
+core-y += $(addprefix arch/sh/boards/, \
+ $(filter-out ., $(patsubst %,%/,$(machdir-y))))
endif
-# Companion chips
-core-$(CONFIG_HD64461) += arch/sh/cchips/hd6446x/hd64461/
-core-$(CONFIG_HD64465) += arch/sh/cchips/hd6446x/hd64465/
-core-$(CONFIG_VOYAGERGX) += arch/sh/cchips/voyagergx/
+# Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
+machdir-y += mach-common
-cpuincdir-$(CONFIG_CPU_SH2) := cpu-sh2
-cpuincdir-$(CONFIG_CPU_SH2A) := cpu-sh2a
-cpuincdir-$(CONFIG_CPU_SH3) := cpu-sh3
-cpuincdir-$(CONFIG_CPU_SH4) := cpu-sh4
+# Companion chips
+core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/
-libs-y := arch/sh/lib/ $(libs-y) $(LIBGCC)
+#
+# CPU header paths
+#
+# These are ordered by optimization level. A CPU family that is a subset
+# of another (ie, SH-2A / SH-2), is picked up first, with increasing
+# levels of genericness if nothing more suitable is situated in the
+# hierarchy.
+#
+# As an example, in order of preference, SH-2A > SH-2 > common definitions.
+#
+cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
+cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
+cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
+cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
+cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5
+cpuincdir-y += cpu-common # Must be last
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.
-
-include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \
- include/config/auto.conf FORCE
- @echo -n ' SYMLINK include/asm-sh/mach -> '
- $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
- $(Q)if [ -d $(incdir-prefix)$(incdir-y) ]; then \
- echo -e 'include/asm-sh/$(incdir-y)'; \
- ln -fsn $(incdir-prefix)$(incdir-y) \
- include/asm-sh/mach; \
- else \
- echo -e 'include/asm-sh'; \
- ln -fsn $(incdir-prefix) include/asm-sh/mach; \
- fi
- @touch $@
-
-archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools
-
-PHONY += maketools FORCE
+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 += $(cflags-y)
+
+ifeq ($(CONFIG_MCOUNT),y)
+ KBUILD_CFLAGS += -pg
+endif
+
+ifeq ($(CONFIG_DWARF_UNWINDER),y)
+ KBUILD_CFLAGS += -fasynchronous-unwind-tables
+endif
+
+libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
+libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
+
+BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.srec uImage.bin \
+ zImage vmlinux.srec romImage
+PHONY += maketools $(BOOT_TARGETS) FORCE
+
maketools: include/linux/version.h FORCE
$(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
-all: zImage
+all: $(KBUILD_IMAGE)
-zImage: vmlinux
+$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
compressed: zImage
+archprepare: maketools
+
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
-
-CLEAN_FILES += include/asm-sh/machtypes.h
+ $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
define archhelp
- @echo ' zImage - Compressed kernel image (arch/sh/boot/zImage)'
+ @echo ' zImage - Compressed kernel image'
+ @echo ' romImage - Compressed ROM image, if supported'
+ @echo ' vmlinux.srec - Create an ELF S-record'
+ @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)'
endef
+
+CLEAN_FILES += include/asm-sh/machtypes.h
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