| # |
| # 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- $(UTS_MACHINE)-unknown-linux-gnu-) |
| endif |
| endif |
| |
| isa-y := any |
| isa-$(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-$(CONFIG_CPU_SH5) := shmedia |
| |
| ifeq ($(CONFIG_SUPERH32),y) |
| isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp |
| isa-y := $(isa-y)-up |
| endif |
| |
| cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) |
| cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ |
| $(call cc-option,-m2a-nofpu,) \ |
| $(call cc-option,-m4-nofpu,) |
| cflags-$(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_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 cc-option,-mno-fdpic) |
| cflags-y += $(isaflags-y) -ffreestanding |
| |
| OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ |
| -R .stab -R .stabstr -S |
| |
| # Give the various platforms the opportunity to set default image types |
| defaultimage-$(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_SH7757LCR) := uImage |
| defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage |
| defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux |
| defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux |
| |
| # Set some sensible Kbuild defaults |
| KBUILD_IMAGE := $(defaultimage-y) |
| |
| # |
| # Choosing incompatible machines durings configuration will result in |
| # error messages during linking. |
| # |
| ifdef CONFIG_SUPERH32 |
| UTS_MACHINE := sh |
| BITS := 32 |
| LDFLAGS_vmlinux += -e _stext |
| KBUILD_DEFCONFIG := shx3_defconfig |
| else |
| UTS_MACHINE := sh64 |
| BITS := 64 |
| LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ |
| --defsym phys_stext_shmedia=phys_stext+1 \ |
| -e phys_stext_shmedia |
| KBUILD_DEFCONFIG := cayman_defconfig |
| endif |
| |
| ifdef CONFIG_CPU_LITTLE_ENDIAN |
| 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-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ |
| |
| # Mach groups |
| machdir-$(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_RTS7751R2D) += mach-r2d |
| 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-$(CONFIG_SH_SDK7786) += mach-sdk7786 |
| machdir-$(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_LBOX_RE2) += mach-lboxre2 |
| machdir-$(CONFIG_SH_CAYMAN) += mach-cayman |
| machdir-$(CONFIG_SH_RSK) += 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-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ |
| |
| # |
| # CPU header paths |
| # |
| # These are ordered by optimization level. A CPU family that is a subset |
| # of another (ie, SH-2A / SH-2), is picked up first, with increasing |
| # levels of genericness if nothing more suitable is situated in the |
| # hierarchy. |
| # |
| # As an example, in order of preference, SH-2A > SH-2 > common definitions. |
| # |
| cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a |
| cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 |
| cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 |
| cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a |
| cpuincdir-$(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 |
| |
| 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.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 |
