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_IMAGE := $(defaultimage-y) 86 87# 88# Choosing incompatible machines durings configuration will result in 89# error messages during linking. 90# 91ifdef CONFIG_SUPERH32 92UTS_MACHINE := sh 93BITS := 32 94LDFLAGS_vmlinux += -e _stext 95KBUILD_DEFCONFIG := shx3_defconfig 96else 97UTS_MACHINE := sh64 98BITS := 64 99LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 100 --defsym phys_stext_shmedia=phys_stext+1 \ 101 -e phys_stext_shmedia 102KBUILD_DEFCONFIG := cayman_defconfig 103endif 104 105ifneq ($(SUBARCH),$(ARCH)) 106 ifeq ($(CROSS_COMPILE),) 107 CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-) 108 endif 109endif 110 111ifdef CONFIG_CPU_LITTLE_ENDIAN 112ld-bfd := elf32-$(UTS_MACHINE)-linux 113LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd) 114LDFLAGS += -EL 115else 116ld-bfd := elf32-$(UTS_MACHINE)big-linux 117LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd) 118LDFLAGS += -EB 119endif 120 121export ld-bfd BITS 122 123head-y := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o 124 125core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ 126core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 127 128# Mach groups 129machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se 130machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx 131machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast 132machdir-$(CONFIG_SH_SH03) += mach-sh03 133machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear 134machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d 135machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh 136machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705 137machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander 138machdir-$(CONFIG_SH_MIGOR) += mach-migor 139machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 140machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto 141machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 142machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev 143machdir-$(CONFIG_SH_LANDISK) += mach-landisk 144machdir-$(CONFIG_SH_TITAN) += mach-titan 145machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 146machdir-$(CONFIG_SH_CAYMAN) += mach-cayman 147machdir-$(CONFIG_SH_RSK) += mach-rsk 148 149ifneq ($(machdir-y),) 150core-y += $(addprefix arch/sh/boards/, \ 151 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 152endif 153 154# Common machine type headers. Not part of the arch/sh/boards/ hierarchy. 155machdir-y += mach-common 156 157# Companion chips 158core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 159 160# 161# CPU header paths 162# 163# These are ordered by optimization level. A CPU family that is a subset 164# of another (ie, SH-2A / SH-2), is picked up first, with increasing 165# levels of genericness if nothing more suitable is situated in the 166# hierarchy. 167# 168# As an example, in order of preference, SH-2A > SH-2 > common definitions. 169# 170cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a 171cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 172cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 173cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 174cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 175cpuincdir-y += cpu-common # Must be last 176 177drivers-y += arch/sh/drivers/ 178drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 179 180boot := arch/sh/boot 181 182cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ 183 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) 184 185KBUILD_CFLAGS += -pipe $(cflags-y) 186KBUILD_CPPFLAGS += $(cflags-y) 187KBUILD_AFLAGS += $(cflags-y) 188 189libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 190libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 191 192PHONY += maketools FORCE 193 194maketools: include/linux/version.h FORCE 195 $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h 196 197all: $(KBUILD_IMAGE) 198 199zImage uImage uImage.srec vmlinux.srec: vmlinux 200 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 201 202compressed: zImage 203 204archprepare: maketools 205 206archclean: 207 $(Q)$(MAKE) $(clean)=$(boot) 208 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall 209 210define archhelp 211 @echo '* zImage - Compressed kernel image' 212 @echo ' vmlinux.srec - Create an ELF S-record' 213 @echo ' uImage - Create a bootable image for U-Boot' 214 @echo ' uImage.srec - Create an S-record for U-Boot' 215endef 216 217CLEAN_FILES += include/asm-sh/machtypes.h 218