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 := $(call cc-cross-prefix, sh-linux- sh-linux-gnu- sh-unknown-linux-gnu-) 15 endif 16endif 17 18ifeq ($(ARCH),sh) 19KBUILD_DEFCONFIG := shx3_defconfig 20else 21KBUILD_DEFCONFIG := cayman_defconfig 22endif 23 24isa-y := any 25isa-$(CONFIG_SH_DSP) := sh 26isa-$(CONFIG_CPU_SH2) := sh2 27isa-$(CONFIG_CPU_SH2A) := sh2a 28isa-$(CONFIG_CPU_SH3) := sh3 29isa-$(CONFIG_CPU_SH4) := sh4 30isa-$(CONFIG_CPU_SH4A) := sh4a 31isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al 32 33isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp 34isa-y := $(isa-y)-up 35 36cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) 37cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,) 38cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ 39 $(call cc-option,-m2a-nofpu,) \ 40 $(call cc-option,-m4-nofpu,) 41cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) 42cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ 43 $(call cc-option,-mno-implicit-fp,-m4-nofpu) 44cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ 45 $(call cc-option,-m4a-nofpu,) 46cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,) 47 48ifeq ($(cflags-y),) 49# 50# In the case where we are stuck with a compiler that has been uselessly 51# restricted to a particular ISA, a favourite default of newer GCCs when 52# extensive multilib targets are not provided, ensure we get the best fit 53# regarding FP generation. This is intentionally stupid (albeit many 54# orders of magnitude less than GCC's default behaviour), as anything 55# with a large number of multilib targets better have been built 56# correctly for the target in mind. 57# 58cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \ 59 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//') 60# At this point, anything goes. 61isaflags-y := $(call as-option,-Wa$(comma)-isa=any,) 62else 63# 64# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that 65# support it, while -Wa,-dsp by itself limits the range of usable opcodes 66# on certain CPU subtypes. Try the ISA variant first, and if that fails, 67# fall back on -Wa,-dsp for the old binutils versions. Even without DSP 68# opcodes, we always want the best ISA tuning the version of binutils 69# will provide. 70# 71isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) 72 73isaflags-$(CONFIG_SH_DSP) := \ 74 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) 75endif 76 77cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb 78cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml 79 80cflags-y += $(call cc-option,-mno-fdpic) 81cflags-y += $(isaflags-y) -ffreestanding 82 83OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ 84 -R .stab -R .stabstr -S 85 86# Give the various platforms the opportunity to set default image types 87defaultimage-y := zImage 88defaultimage-$(CONFIG_SH_SH7785LCR) := uImage 89defaultimage-$(CONFIG_SH_RSK) := uImage 90defaultimage-$(CONFIG_SH_URQUELL) := uImage 91defaultimage-$(CONFIG_SH_MIGOR) := uImage 92defaultimage-$(CONFIG_SH_AP325RXA) := uImage 93defaultimage-$(CONFIG_SH_SH7757LCR) := uImage 94defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage 95defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux 96defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux 97 98# Set some sensible Kbuild defaults 99boot := arch/sh/boot 100KBUILD_IMAGE := $(boot)/$(defaultimage-y) 101 102# 103# Choosing incompatible machines durings configuration will result in 104# error messages during linking. 105# 106UTS_MACHINE := sh 107LDFLAGS_vmlinux += -e _stext 108 109ifdef CONFIG_CPU_LITTLE_ENDIAN 110ld-bfd := elf32-sh-linux 111LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd) 112KBUILD_LDFLAGS += -EL 113else 114ld-bfd := elf32-shbig-linux 115LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd) 116KBUILD_LDFLAGS += -EB 117endif 118 119export ld-bfd 120 121head-y := arch/sh/kernel/head_32.o 122 123core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ 124core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 125 126core-$(CONFIG_USE_BUILTIN_DTB) += arch/sh/boot/dts/ 127 128# Mach groups 129machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se 130machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx 131machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast 132machdir-$(CONFIG_SH_SH03) += mach-sh03 133machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d 134machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander 135machdir-$(CONFIG_SH_MIGOR) += mach-migor 136machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa 137machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09 138machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24 139machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 140machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786 141machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto 142machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 143machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev 144machdir-$(CONFIG_SH_LANDISK) += mach-landisk 145machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 146machdir-$(CONFIG_SH_CAYMAN) += mach-cayman 147machdir-$(CONFIG_SH_RSK) += mach-rsk 148 149ifneq ($(machdir-y),) 150core-y += $(addprefix arch/sh/boards/, \ 151 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 152endif 153 154# Common machine type headers. Not part of the arch/sh/boards/ hierarchy. 155machdir-y += mach-common 156 157# Companion chips 158core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 159 160# 161# CPU header paths 162# 163# These are ordered by optimization level. A CPU family that is a subset 164# of another (ie, SH-2A / SH-2), is picked up first, with increasing 165# levels of genericness if nothing more suitable is situated in the 166# hierarchy. 167# 168# As an example, in order of preference, SH-2A > SH-2 > common definitions. 169# 170cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a 171cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 172cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 173cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a 174cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 175cpuincdir-y += cpu-common # Must be last 176 177drivers-y += arch/sh/drivers/ 178drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 179 180cflags-y += $(foreach d, $(cpuincdir-y), -I $(srctree)/arch/sh/include/$(d)) \ 181 $(foreach d, $(machdir-y), -I $(srctree)/arch/sh/include/$(d)) 182 183KBUILD_CFLAGS += -pipe $(cflags-y) 184KBUILD_CPPFLAGS += $(cflags-y) 185KBUILD_AFLAGS += $(cflags-y) 186 187ifeq ($(CONFIG_MCOUNT),y) 188 KBUILD_CFLAGS += -pg 189endif 190 191ifeq ($(CONFIG_DWARF_UNWINDER),y) 192 KBUILD_CFLAGS += -fasynchronous-unwind-tables 193endif 194 195libs-y := arch/sh/lib/ $(libs-y) 196 197BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \ 198 uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \ 199 romImage 200PHONY += $(BOOT_TARGETS) 201 202all: $(notdir $(KBUILD_IMAGE)) 203 204$(BOOT_TARGETS): vmlinux 205 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 206 207compressed: zImage 208 209archprepare: 210 $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h 211 212archclean: 213 $(Q)$(MAKE) $(clean)=$(boot) 214 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall 215 216archheaders: 217 $(Q)$(MAKE) $(build)=arch/sh/kernel/syscalls all 218 219define archhelp 220 @echo ' zImage - Compressed kernel image' 221 @echo ' romImage - Compressed ROM image, if supported' 222 @echo ' vmlinux.srec - Create an ELF S-record' 223 @echo ' vmlinux.bin - Create an uncompressed binary image' 224 @echo '* uImage - Alias to bootable U-Boot image' 225 @echo ' uImage.srec - Create an S-record for U-Boot' 226 @echo ' uImage.bin - Kernel-only image for U-Boot (bin)' 227 @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)' 228 @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' 229 @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' 230 @echo ' uImage.xz - Kernel-only image for U-Boot (xz)' 231 @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)' 232endef 233