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 97boot := arch/sh/boot 98KBUILD_IMAGE := $(boot)/$(defaultimage-y) 99 100# 101# Choosing incompatible machines durings configuration will result in 102# error messages during linking. 103# 104ifdef CONFIG_SUPERH32 105UTS_MACHINE := sh 106BITS := 32 107LDFLAGS_vmlinux += -e _stext 108KBUILD_DEFCONFIG := shx3_defconfig 109else 110UTS_MACHINE := sh64 111BITS := 64 112LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 113 --defsym phys_stext_shmedia=phys_stext+1 \ 114 -e phys_stext_shmedia 115KBUILD_DEFCONFIG := cayman_defconfig 116endif 117 118ifdef CONFIG_CPU_LITTLE_ENDIAN 119ld-bfd := elf32-$(UTS_MACHINE)-linux 120LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd) 121LDFLAGS += -EL 122else 123ld-bfd := elf32-$(UTS_MACHINE)big-linux 124LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd) 125LDFLAGS += -EB 126endif 127 128export ld-bfd BITS 129 130head-y := arch/sh/kernel/head_$(BITS).o 131 132core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ 133core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 134 135core-$(CONFIG_USE_BUILTIN_DTB) += arch/sh/boot/dts/ 136 137# Mach groups 138machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se 139machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx 140machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast 141machdir-$(CONFIG_SH_SH03) += mach-sh03 142machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d 143machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander 144machdir-$(CONFIG_SH_MIGOR) += mach-migor 145machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa 146machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09 147machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24 148machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 149machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786 150machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto 151machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 152machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev 153machdir-$(CONFIG_SH_LANDISK) += mach-landisk 154machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 155machdir-$(CONFIG_SH_CAYMAN) += mach-cayman 156machdir-$(CONFIG_SH_RSK) += mach-rsk 157 158ifneq ($(machdir-y),) 159core-y += $(addprefix arch/sh/boards/, \ 160 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 161endif 162 163# Common machine type headers. Not part of the arch/sh/boards/ hierarchy. 164machdir-y += mach-common 165 166# Companion chips 167core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 168 169# 170# CPU header paths 171# 172# These are ordered by optimization level. A CPU family that is a subset 173# of another (ie, SH-2A / SH-2), is picked up first, with increasing 174# levels of genericness if nothing more suitable is situated in the 175# hierarchy. 176# 177# As an example, in order of preference, SH-2A > SH-2 > common definitions. 178# 179cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a 180cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 181cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 182cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a 183cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 184cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 185cpuincdir-y += cpu-common # Must be last 186 187drivers-y += arch/sh/drivers/ 188drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 189 190cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ 191 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) 192 193KBUILD_CFLAGS += -pipe $(cflags-y) 194KBUILD_CPPFLAGS += $(cflags-y) 195KBUILD_AFLAGS += $(cflags-y) 196 197ifeq ($(CONFIG_MCOUNT),y) 198 KBUILD_CFLAGS += -pg 199endif 200 201ifeq ($(CONFIG_DWARF_UNWINDER),y) 202 KBUILD_CFLAGS += -fasynchronous-unwind-tables 203endif 204 205libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 206libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 207 208BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \ 209 uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \ 210 romImage 211PHONY += $(BOOT_TARGETS) 212 213all: $(notdir $(KBUILD_IMAGE)) 214 215$(BOOT_TARGETS): vmlinux 216 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 217 218compressed: zImage 219 220archprepare: 221 $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h 222 223archclean: 224 $(Q)$(MAKE) $(clean)=$(boot) 225 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall 226 227define archhelp 228 @echo ' zImage - Compressed kernel image' 229 @echo ' romImage - Compressed ROM image, if supported' 230 @echo ' vmlinux.srec - Create an ELF S-record' 231 @echo ' vmlinux.bin - Create an uncompressed binary image' 232 @echo '* uImage - Alias to bootable U-Boot image' 233 @echo ' uImage.srec - Create an S-record for U-Boot' 234 @echo ' uImage.bin - Kernel-only image for U-Boot (bin)' 235 @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)' 236 @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' 237 @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' 238 @echo ' uImage.xz - Kernel-only image for U-Boot (xz)' 239 @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)' 240endef 241