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 += $(isaflags-y) -ffreestanding 72 73cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \ 74 $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g') 75 76OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ 77 -R .stab -R .stabstr -S 78 79# Give the various platforms the opportunity to set default image types 80defaultimage-$(CONFIG_SUPERH32) := zImage 81defaultimage-$(CONFIG_SH_SH7785LCR) := uImage 82defaultimage-$(CONFIG_SH_RSK7203) := uImage 83defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux 84defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux 85 86# Set some sensible Kbuild defaults 87KBUILD_DEFCONFIG := shx3_defconfig 88KBUILD_IMAGE := $(defaultimage-y) 89 90# 91# Choosing incompatible machines durings configuration will result in 92# error messages during linking. 93# 94ifdef CONFIG_SUPERH32 95UTS_MACHINE := sh 96LDFLAGS_vmlinux += -e _stext 97else 98UTS_MACHINE := sh64 99LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 100 --defsym phys_stext_shmedia=phys_stext+1 \ 101 -e phys_stext_shmedia 102endif 103 104ifdef CONFIG_CPU_LITTLE_ENDIAN 105LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' 106LDFLAGS += -EL 107else 108LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' 109LDFLAGS += -EB 110endif 111 112head-y := arch/sh/kernel/init_task.o 113head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o 114head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o 115 116core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ 117core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 118 119# Mach groups 120machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se 121machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx 122machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast 123machdir-$(CONFIG_SH_SH03) += mach-sh03 124machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear 125machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d 126machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh 127machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705 128machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander 129machdir-$(CONFIG_SH_MIGOR) += mach-migor 130machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 131machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto 132machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 133machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev 134machdir-$(CONFIG_SH_LANDISK) += mach-landisk 135machdir-$(CONFIG_SH_TITAN) += mach-titan 136machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 137machdir-$(CONFIG_SH_CAYMAN) += mach-cayman 138machdir-$(CONFIG_SH_RSK) += mach-rsk 139 140ifneq ($(machdir-y),) 141core-y += $(addprefix arch/sh/boards/, \ 142 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 143endif 144 145# Common machine type headers. Not part of the arch/sh/boards/ hierarchy. 146machdir-y += mach-common 147 148# Companion chips 149core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 150 151# 152# CPU header paths 153# 154# These are ordered by optimization level. A CPU family that is a subset 155# of another (ie, SH-2A / SH-2), is picked up first, with increasing 156# levels of genericness if nothing more suitable is situated in the 157# hierarchy. 158# 159# As an example, in order of preference, SH-2A > SH-2 > common definitions. 160# 161cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a 162cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 163cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 164cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 165cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 166cpuincdir-y += cpu-common # Must be last 167 168drivers-y += arch/sh/drivers/ 169drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 170 171boot := arch/sh/boot 172 173cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ 174 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) 175 176KBUILD_CFLAGS += -pipe $(cflags-y) 177KBUILD_CPPFLAGS += $(cflags-y) 178KBUILD_AFLAGS += $(cflags-y) 179 180LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 181 182libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 183libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) $(LIBGCC) 184 185PHONY += maketools FORCE 186 187maketools: include/linux/version.h FORCE 188 $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h 189 190all: $(KBUILD_IMAGE) 191 192zImage uImage uImage.srec vmlinux.srec: vmlinux 193 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 194 195compressed: zImage 196 197archprepare: maketools arch/sh/lib64/syscalltab.h 198 199archclean: 200 $(Q)$(MAKE) $(clean)=$(boot) 201 202define archhelp 203 @echo '* zImage - Compressed kernel image' 204 @echo ' vmlinux.srec - Create an ELF S-record' 205 @echo ' uImage - Create a bootable image for U-Boot' 206 @echo ' uImage.srec - Create an S-record for U-Boot' 207endef 208 209define filechk_gen-syscalltab 210 (set -e; \ 211 echo "/*"; \ 212 echo " * DO NOT MODIFY."; \ 213 echo " *"; \ 214 echo " * This file was generated by arch/sh/Makefile"; \ 215 echo " * Any changes will be reverted at build time."; \ 216 echo " */"; \ 217 echo ""; \ 218 echo "#ifndef __SYSCALLTAB_H"; \ 219 echo "#define __SYSCALLTAB_H"; \ 220 echo ""; \ 221 echo "#include <linux/kernel.h>"; \ 222 echo ""; \ 223 echo "struct syscall_info {"; \ 224 echo " const char *name;"; \ 225 echo "} syscall_info_table[] = {"; \ 226 sed -e '/^.*\.long /!d;s// { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \ 227 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \ 228 echo "};"; \ 229 echo ""; \ 230 echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\ 231 echo ""; \ 232 echo "#endif /* __SYSCALLTAB_H */" ) 233endef 234 235arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S 236 $(call filechk,gen-syscalltab) 237 238CLEAN_FILES += arch/sh/lib64/syscalltab.h \ 239 include/asm-sh/machtypes.h 240