| # | |
| # 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,) \ | |
| $(call cc-option,-m2a-nofpu,) | |
| cflags-$(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 ($(CONFIG_DWARF_UNWINDER),y) | |
| KBUILD_CFLAGS += -fasynchronous-unwind-tables | |
| endif | |
| ifeq ($(CONFIG_CC_STACKPROTECTOR),y) | |
| KBUILD_CFLAGS += -fstack-protector | |
| 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 |