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_J2) += $(call cc-option,-mj2,) 35cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ 36 $(call cc-option,-m2a-nofpu,) \ 37 $(call cc-option,-m4-nofpu,) 38cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) 39cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ 40 $(call cc-option,-mno-implicit-fp,-m4-nofpu) 41cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ 42 $(call cc-option,-m4a-nofpu,) 43cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,) 44cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,) 45 46ifeq ($(cflags-y),) 47# 48# In the case where we are stuck with a compiler that has been uselessly 49# restricted to a particular ISA, a favourite default of newer GCCs when 50# extensive multilib targets are not provided, ensure we get the best fit 51# regarding FP generation. This is intentionally stupid (albeit many 52# orders of magnitude less than GCC's default behaviour), as anything 53# with a large number of multilib targets better have been built 54# correctly for the target in mind. 55# 56cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \ 57 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//') 58# At this point, anything goes. 59isaflags-y := $(call as-option,-Wa$(comma)-isa=any,) 60else 61# 62# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that 63# support it, while -Wa,-dsp by itself limits the range of usable opcodes 64# on certain CPU subtypes. Try the ISA variant first, and if that fails, 65# fall back on -Wa,-dsp for the old binutils versions. Even without DSP 66# opcodes, we always want the best ISA tuning the version of binutils 67# will provide. 68# 69isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) 70 71isaflags-$(CONFIG_SH_DSP) := \ 72 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) 73endif 74 75cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb 76cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml 77 78cflags-y += $(call cc-option,-mno-fdpic) 79cflags-y += $(isaflags-y) -ffreestanding 80 81OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ 82 -R .stab -R .stabstr -S 83 84# Give the various platforms the opportunity to set default image types 85defaultimage-$(CONFIG_SUPERH32) := zImage 86defaultimage-$(CONFIG_SH_SH7785LCR) := uImage 87defaultimage-$(CONFIG_SH_RSK) := uImage 88defaultimage-$(CONFIG_SH_URQUELL) := uImage 89defaultimage-$(CONFIG_SH_MIGOR) := uImage 90defaultimage-$(CONFIG_SH_AP325RXA) := uImage 91defaultimage-$(CONFIG_SH_SH7757LCR) := uImage 92defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage 93defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux 94defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux 95 96# Set some sensible Kbuild defaults 97KBUILD_IMAGE := $(defaultimage-y) 98 99# 100# Choosing incompatible machines durings configuration will result in 101# error messages during linking. 102# 103ifdef CONFIG_SUPERH32 104UTS_MACHINE := sh 105BITS := 32 106LDFLAGS_vmlinux += -e _stext 107KBUILD_DEFCONFIG := shx3_defconfig 108else 109UTS_MACHINE := sh64 110BITS := 64 111LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 112 --defsym phys_stext_shmedia=phys_stext+1 \ 113 -e phys_stext_shmedia 114KBUILD_DEFCONFIG := cayman_defconfig 115endif 116 117ifdef CONFIG_CPU_LITTLE_ENDIAN 118ld-bfd := elf32-$(UTS_MACHINE)-linux 119LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd) 120LDFLAGS += -EL 121else 122ld-bfd := elf32-$(UTS_MACHINE)big-linux 123LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd) 124LDFLAGS += -EB 125endif 126 127export ld-bfd BITS 128 129head-y := arch/sh/kernel/head_$(BITS).o 130 131core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ 132core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 133 134core-$(CONFIG_USE_BUILTIN_DTB) += arch/sh/boot/dts/ 135 136# Mach groups 137machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se 138machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx 139machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast 140machdir-$(CONFIG_SH_SH03) += mach-sh03 141machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d 142machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander 143machdir-$(CONFIG_SH_MIGOR) += mach-migor 144machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa 145machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09 146machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24 147machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 148machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786 149machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto 150machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 151machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev 152machdir-$(CONFIG_SH_LANDISK) += mach-landisk 153machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 154machdir-$(CONFIG_SH_CAYMAN) += mach-cayman 155machdir-$(CONFIG_SH_RSK) += mach-rsk 156 157ifneq ($(machdir-y),) 158core-y += $(addprefix arch/sh/boards/, \ 159 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 160endif 161 162# Common machine type headers. Not part of the arch/sh/boards/ hierarchy. 163machdir-y += mach-common 164 165# Companion chips 166core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 167 168# 169# CPU header paths 170# 171# These are ordered by optimization level. A CPU family that is a subset 172# of another (ie, SH-2A / SH-2), is picked up first, with increasing 173# levels of genericness if nothing more suitable is situated in the 174# hierarchy. 175# 176# As an example, in order of preference, SH-2A > SH-2 > common definitions. 177# 178cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a 179cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 180cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 181cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a 182cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 183cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 184cpuincdir-y += cpu-common # Must be last 185 186drivers-y += arch/sh/drivers/ 187drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 188 189boot := arch/sh/boot 190 191cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ 192 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) 193 194KBUILD_CFLAGS += -pipe $(cflags-y) 195KBUILD_CPPFLAGS += $(cflags-y) 196KBUILD_AFLAGS += $(cflags-y) 197 198ifeq ($(CONFIG_MCOUNT),y) 199 KBUILD_CFLAGS += -pg 200endif 201 202ifeq ($(CONFIG_DWARF_UNWINDER),y) 203 KBUILD_CFLAGS += -fasynchronous-unwind-tables 204endif 205 206libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 207libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 208 209BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \ 210 uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \ 211 romImage 212PHONY += $(BOOT_TARGETS) 213 214all: $(KBUILD_IMAGE) 215 216$(BOOT_TARGETS): vmlinux 217 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 218 219compressed: zImage 220 221archprepare: 222 $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h 223 224archclean: 225 $(Q)$(MAKE) $(clean)=$(boot) 226 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall 227 228define archhelp 229 @echo ' zImage - Compressed kernel image' 230 @echo ' romImage - Compressed ROM image, if supported' 231 @echo ' vmlinux.srec - Create an ELF S-record' 232 @echo ' vmlinux.bin - Create an uncompressed binary image' 233 @echo '* uImage - Alias to bootable U-Boot image' 234 @echo ' uImage.srec - Create an S-record for U-Boot' 235 @echo ' uImage.bin - Kernel-only image for U-Boot (bin)' 236 @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)' 237 @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' 238 @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' 239 @echo ' uImage.xz - Kernel-only image for U-Boot (xz)' 240 @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)' 241endef 242