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- $(UTS_MACHINE)-unknown-linux-gnu-) 15 endif 16endif 17 18ifeq ($(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-$(CONFIG_CPU_SH4AL_DSP) := sh4al 32isa-$(CONFIG_CPU_SH5) := shmedia 33 34ifeq ($(CONFIG_SUPERH32),y) 35isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp 36isa-y := $(isa-y)-up 37endif 38 39cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) 40cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,) 41cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ 42 $(call cc-option,-m2a-nofpu,) \ 43 $(call cc-option,-m4-nofpu,) 44cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) 45cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ 46 $(call cc-option,-mno-implicit-fp,-m4-nofpu) 47cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ 48 $(call cc-option,-m4a-nofpu,) 49cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,) 50cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,) 51 52ifeq ($(cflags-y),) 53# 54# In the case where we are stuck with a compiler that has been uselessly 55# restricted to a particular ISA, a favourite default of newer GCCs when 56# extensive multilib targets are not provided, ensure we get the best fit 57# regarding FP generation. This is intentionally stupid (albeit many 58# orders of magnitude less than GCC's default behaviour), as anything 59# with a large number of multilib targets better have been built 60# correctly for the target in mind. 61# 62cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \ 63 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//') 64# At this point, anything goes. 65isaflags-y := $(call as-option,-Wa$(comma)-isa=any,) 66else 67# 68# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that 69# support it, while -Wa,-dsp by itself limits the range of usable opcodes 70# on certain CPU subtypes. Try the ISA variant first, and if that fails, 71# fall back on -Wa,-dsp for the old binutils versions. Even without DSP 72# opcodes, we always want the best ISA tuning the version of binutils 73# will provide. 74# 75isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) 76 77isaflags-$(CONFIG_SH_DSP) := \ 78 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) 79endif 80 81cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb 82cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml 83 84cflags-y += $(call cc-option,-mno-fdpic) 85cflags-y += $(isaflags-y) -ffreestanding 86 87OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ 88 -R .stab -R .stabstr -S 89 90# Give the various platforms the opportunity to set default image types 91defaultimage-$(CONFIG_SUPERH32) := zImage 92defaultimage-$(CONFIG_SH_SH7785LCR) := uImage 93defaultimage-$(CONFIG_SH_RSK) := uImage 94defaultimage-$(CONFIG_SH_URQUELL) := uImage 95defaultimage-$(CONFIG_SH_MIGOR) := uImage 96defaultimage-$(CONFIG_SH_AP325RXA) := uImage 97defaultimage-$(CONFIG_SH_SH7757LCR) := uImage 98defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage 99defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux 100defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux 101 102# Set some sensible Kbuild defaults 103boot := arch/sh/boot 104KBUILD_IMAGE := $(boot)/$(defaultimage-y) 105 106# 107# Choosing incompatible machines durings configuration will result in 108# error messages during linking. 109# 110ifdef CONFIG_SUPERH32 111UTS_MACHINE := sh 112BITS := 32 113LDFLAGS_vmlinux += -e _stext 114else 115UTS_MACHINE := sh64 116BITS := 64 117LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 118 --defsym phys_stext_shmedia=phys_stext+1 \ 119 -e phys_stext_shmedia 120endif 121 122ifdef CONFIG_CPU_LITTLE_ENDIAN 123ld-bfd := elf32-$(UTS_MACHINE)-linux 124LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd) 125KBUILD_LDFLAGS += -EL 126else 127ld-bfd := elf32-$(UTS_MACHINE)big-linux 128LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd) 129KBUILD_LDFLAGS += -EB 130endif 131 132export ld-bfd BITS 133 134head-y := arch/sh/kernel/head_$(BITS).o 135 136core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ 137core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 138 139core-$(CONFIG_USE_BUILTIN_DTB) += arch/sh/boot/dts/ 140 141# Mach groups 142machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se 143machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx 144machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast 145machdir-$(CONFIG_SH_SH03) += mach-sh03 146machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d 147machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander 148machdir-$(CONFIG_SH_MIGOR) += mach-migor 149machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa 150machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09 151machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24 152machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 153machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786 154machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto 155machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 156machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev 157machdir-$(CONFIG_SH_LANDISK) += mach-landisk 158machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 159machdir-$(CONFIG_SH_CAYMAN) += mach-cayman 160machdir-$(CONFIG_SH_RSK) += mach-rsk 161 162ifneq ($(machdir-y),) 163core-y += $(addprefix arch/sh/boards/, \ 164 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 165endif 166 167# Common machine type headers. Not part of the arch/sh/boards/ hierarchy. 168machdir-y += mach-common 169 170# Companion chips 171core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 172 173# 174# CPU header paths 175# 176# These are ordered by optimization level. A CPU family that is a subset 177# of another (ie, SH-2A / SH-2), is picked up first, with increasing 178# levels of genericness if nothing more suitable is situated in the 179# hierarchy. 180# 181# As an example, in order of preference, SH-2A > SH-2 > common definitions. 182# 183cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a 184cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 185cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 186cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a 187cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 188cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 189cpuincdir-y += cpu-common # Must be last 190 191drivers-y += arch/sh/drivers/ 192drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 193 194cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ 195 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) 196 197KBUILD_CFLAGS += -pipe $(cflags-y) 198KBUILD_CPPFLAGS += $(cflags-y) 199KBUILD_AFLAGS += $(cflags-y) 200 201ifeq ($(CONFIG_MCOUNT),y) 202 KBUILD_CFLAGS += -pg 203endif 204 205ifeq ($(CONFIG_DWARF_UNWINDER),y) 206 KBUILD_CFLAGS += -fasynchronous-unwind-tables 207endif 208 209libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 210libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 211 212BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \ 213 uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \ 214 romImage 215PHONY += $(BOOT_TARGETS) 216 217all: $(notdir $(KBUILD_IMAGE)) 218 219$(BOOT_TARGETS): vmlinux 220 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 221 222compressed: zImage 223 224archprepare: 225 $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h 226 227archclean: 228 $(Q)$(MAKE) $(clean)=$(boot) 229 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall 230 231define archhelp 232 @echo ' zImage - Compressed kernel image' 233 @echo ' romImage - Compressed ROM image, if supported' 234 @echo ' vmlinux.srec - Create an ELF S-record' 235 @echo ' vmlinux.bin - Create an uncompressed binary image' 236 @echo '* uImage - Alias to bootable U-Boot image' 237 @echo ' uImage.srec - Create an S-record for U-Boot' 238 @echo ' uImage.bin - Kernel-only image for U-Boot (bin)' 239 @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)' 240 @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' 241 @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' 242 @echo ' uImage.xz - Kernel-only image for U-Boot (xz)' 243 @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)' 244endef 245