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_7206_SOLUTION_ENGINE) := vmlinux 82defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux 83 84# Set some sensible Kbuild defaults 85KBUILD_DEFCONFIG := shx3_defconfig 86KBUILD_IMAGE := $(defaultimage-y) 87 88# 89# Choosing incompatible machines durings configuration will result in 90# error messages during linking. 91# 92ifdef CONFIG_SUPERH32 93UTS_MACHINE := sh 94BITS := 32 95LDFLAGS_vmlinux += -e _stext 96else 97UTS_MACHINE := sh64 98BITS := 64 99LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 100 --defsym phys_stext_shmedia=phys_stext+1 \ 101 -e phys_stext_shmedia 102endif 103 104ifneq ($(SUBARCH),$(ARCH)) 105 ifeq ($(CROSS_COMPILE),) 106 CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-) 107 endif 108endif 109 110ifdef CONFIG_CPU_LITTLE_ENDIAN 111ld-bfd := elf32-$(UTS_MACHINE)-linux 112LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd) 113LDFLAGS += -EL 114else 115ld-bfd := elf32-$(UTS_MACHINE)big-linux 116LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd) 117LDFLAGS += -EB 118endif 119 120export ld-bfd BITS 121 122head-y := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o 123 124core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ 125core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 126 127# Mach groups 128machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se 129machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx 130machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast 131machdir-$(CONFIG_SH_SH03) += mach-sh03 132machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear 133machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d 134machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh 135machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705 136machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander 137machdir-$(CONFIG_SH_MIGOR) += mach-migor 138machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 139machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto 140machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 141machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev 142machdir-$(CONFIG_SH_LANDISK) += mach-landisk 143machdir-$(CONFIG_SH_TITAN) += mach-titan 144machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 145machdir-$(CONFIG_SH_CAYMAN) += mach-cayman 146machdir-$(CONFIG_SH_RSK) += mach-rsk 147 148ifneq ($(machdir-y),) 149core-y += $(addprefix arch/sh/boards/, \ 150 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 151endif 152 153# Common machine type headers. Not part of the arch/sh/boards/ hierarchy. 154machdir-y += mach-common 155 156# Companion chips 157core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 158 159# 160# CPU header paths 161# 162# These are ordered by optimization level. A CPU family that is a subset 163# of another (ie, SH-2A / SH-2), is picked up first, with increasing 164# levels of genericness if nothing more suitable is situated in the 165# hierarchy. 166# 167# As an example, in order of preference, SH-2A > SH-2 > common definitions. 168# 169cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a 170cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 171cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 172cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 173cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 174cpuincdir-y += cpu-common # Must be last 175 176drivers-y += arch/sh/drivers/ 177drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 178 179boot := arch/sh/boot 180 181cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ 182 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) 183 184KBUILD_CFLAGS += -pipe $(cflags-y) 185KBUILD_CPPFLAGS += $(cflags-y) 186KBUILD_AFLAGS += $(cflags-y) 187 188libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 189libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 190 191PHONY += maketools FORCE 192 193maketools: include/linux/version.h FORCE 194 $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h 195 196all: $(KBUILD_IMAGE) 197 198zImage uImage uImage.srec vmlinux.srec: vmlinux 199 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 200 201compressed: zImage 202 203archprepare: maketools 204 205archclean: 206 $(Q)$(MAKE) $(clean)=$(boot) 207 208define archhelp 209 @echo '* zImage - Compressed kernel image' 210 @echo ' vmlinux.srec - Create an ELF S-record' 211 @echo ' uImage - Create a bootable image for U-Boot' 212 @echo ' uImage.srec - Create an S-record for U-Boot' 213endef 214 215CLEAN_FILES += include/asm-sh/machtypes.h 216