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