1# 2# arch/sh/Makefile 3# 4# Copyright (C) 1999 Kaz Kojima 5# Copyright (C) 2002 - 2008 Paul Mundt 6# Copyright (C) 2002 M. R. Brown 7# 8# This file is subject to the terms and conditions of the GNU General Public 9# License. See the file "COPYING" in the main directory of this archive 10# for more details. 11# 12ifneq ($(SUBARCH),$(ARCH)) 13 ifeq ($(CROSS_COMPILE),) 14 CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-) 15 endif 16endif 17 18isa-y := any 19isa-$(CONFIG_SH_DSP) := sh 20isa-$(CONFIG_CPU_SH2) := sh2 21isa-$(CONFIG_CPU_SH2A) := sh2a 22isa-$(CONFIG_CPU_SH3) := sh3 23isa-$(CONFIG_CPU_SH4) := sh4 24isa-$(CONFIG_CPU_SH4A) := sh4a 25isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al 26isa-$(CONFIG_CPU_SH5) := shmedia 27 28ifeq ($(CONFIG_SUPERH32),y) 29isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp 30isa-y := $(isa-y)-up 31endif 32 33cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) 34cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ 35 $(call cc-option,-m2a-nofpu,) 36cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) 37cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ 38 $(call cc-option,-mno-implicit-fp,-m4-nofpu) 39cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ 40 $(call cc-option,-m4a-nofpu,) 41cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,) 42cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,) 43 44ifeq ($(cflags-y),) 45# 46# In the case where we are stuck with a compiler that has been uselessly 47# restricted to a particular ISA, a favourite default of newer GCCs when 48# extensive multilib targets are not provided, ensure we get the best fit 49# regarding FP generation. This is intentionally stupid (albeit many 50# orders of magnitude less than GCC's default behaviour), as anything 51# with a large number of multilib targets better have been built 52# correctly for the target in mind. 53# 54cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \ 55 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//') 56# At this point, anything goes. 57isaflags-y := $(call as-option,-Wa$(comma)-isa=any,) 58else 59# 60# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that 61# support it, while -Wa,-dsp by itself limits the range of usable opcodes 62# on certain CPU subtypes. Try the ISA variant first, and if that fails, 63# fall back on -Wa,-dsp for the old binutils versions. Even without DSP 64# opcodes, we always want the best ISA tuning the version of binutils 65# will provide. 66# 67isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) 68 69isaflags-$(CONFIG_SH_DSP) := \ 70 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) 71endif 72 73cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb 74cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml 75 76cflags-y += $(call cc-option,-mno-fdpic) 77cflags-y += $(isaflags-y) -ffreestanding 78 79OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ 80 -R .stab -R .stabstr -S 81 82# Give the various platforms the opportunity to set default image types 83defaultimage-$(CONFIG_SUPERH32) := zImage 84defaultimage-$(CONFIG_SH_SH7785LCR) := uImage 85defaultimage-$(CONFIG_SH_RSK) := uImage 86defaultimage-$(CONFIG_SH_URQUELL) := uImage 87defaultimage-$(CONFIG_SH_MIGOR) := uImage 88defaultimage-$(CONFIG_SH_AP325RXA) := uImage 89defaultimage-$(CONFIG_SH_SH7757LCR) := uImage 90defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage 91defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux 92defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux 93 94# Set some sensible Kbuild defaults 95KBUILD_IMAGE := $(defaultimage-y) 96 97# 98# Choosing incompatible machines durings configuration will result in 99# error messages during linking. 100# 101ifdef CONFIG_SUPERH32 102UTS_MACHINE := sh 103BITS := 32 104LDFLAGS_vmlinux += -e _stext 105KBUILD_DEFCONFIG := shx3_defconfig 106else 107UTS_MACHINE := sh64 108BITS := 64 109LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 110 --defsym phys_stext_shmedia=phys_stext+1 \ 111 -e phys_stext_shmedia 112KBUILD_DEFCONFIG := cayman_defconfig 113endif 114 115ifdef CONFIG_CPU_LITTLE_ENDIAN 116ld-bfd := elf32-$(UTS_MACHINE)-linux 117LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd) 118LDFLAGS += -EL 119else 120ld-bfd := elf32-$(UTS_MACHINE)big-linux 121LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd) 122LDFLAGS += -EB 123endif 124 125export ld-bfd BITS 126 127head-y := arch/sh/kernel/head_$(BITS).o 128 129core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ 130core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 131 132# Mach groups 133machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se 134machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx 135machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast 136machdir-$(CONFIG_SH_SH03) += mach-sh03 137machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d 138machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander 139machdir-$(CONFIG_SH_MIGOR) += mach-migor 140machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa 141machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09 142machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24 143machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 144machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786 145machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto 146machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 147machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev 148machdir-$(CONFIG_SH_LANDISK) += mach-landisk 149machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 150machdir-$(CONFIG_SH_CAYMAN) += mach-cayman 151machdir-$(CONFIG_SH_RSK) += mach-rsk 152 153ifneq ($(machdir-y),) 154core-y += $(addprefix arch/sh/boards/, \ 155 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 156endif 157 158# Common machine type headers. Not part of the arch/sh/boards/ hierarchy. 159machdir-y += mach-common 160 161# Companion chips 162core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 163 164# 165# CPU header paths 166# 167# These are ordered by optimization level. A CPU family that is a subset 168# of another (ie, SH-2A / SH-2), is picked up first, with increasing 169# levels of genericness if nothing more suitable is situated in the 170# hierarchy. 171# 172# As an example, in order of preference, SH-2A > SH-2 > common definitions. 173# 174cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a 175cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 176cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 177cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a 178cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 179cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 180cpuincdir-y += cpu-common # Must be last 181 182drivers-y += arch/sh/drivers/ 183drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 184 185boot := arch/sh/boot 186 187cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ 188 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) 189 190KBUILD_CFLAGS += -pipe $(cflags-y) 191KBUILD_CPPFLAGS += $(cflags-y) 192KBUILD_AFLAGS += $(cflags-y) 193 194ifeq ($(CONFIG_MCOUNT),y) 195 KBUILD_CFLAGS += -pg 196endif 197 198ifeq ($(CONFIG_DWARF_UNWINDER),y) 199 KBUILD_CFLAGS += -fasynchronous-unwind-tables 200endif 201 202libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 203libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 204 205BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \ 206 uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \ 207 romImage 208PHONY += $(BOOT_TARGETS) 209 210all: $(KBUILD_IMAGE) 211 212$(BOOT_TARGETS): vmlinux 213 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 214 215compressed: zImage 216 217archprepare: 218 $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h 219 220archclean: 221 $(Q)$(MAKE) $(clean)=$(boot) 222 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall 223 224define archhelp 225 @echo ' zImage - Compressed kernel image' 226 @echo ' romImage - Compressed ROM image, if supported' 227 @echo ' vmlinux.srec - Create an ELF S-record' 228 @echo ' vmlinux.bin - Create an uncompressed binary image' 229 @echo '* uImage - Alias to bootable U-Boot image' 230 @echo ' uImage.srec - Create an S-record for U-Boot' 231 @echo ' uImage.bin - Kernel-only image for U-Boot (bin)' 232 @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)' 233 @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' 234 @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' 235 @echo ' uImage.xz - Kernel-only image for U-Boot (xz)' 236 @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)' 237endef 238