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_SH5) := $(call cc-option,-m5-32media-nofpu,) 36 37ifeq ($(cflags-y),) 38# 39# In the case where we are stuck with a compiler that has been uselessly 40# restricted to a particular ISA, a favourite default of newer GCCs when 41# extensive multilib targets are not provided, ensure we get the best fit 42# regarding FP generation. This is necessary to avoid references to FP 43# variants in libgcc where integer variants exist, which otherwise result 44# in link errors. This is intentionally stupid (albeit many orders of 45# magnitude less than GCC's default behaviour), as anything with a large 46# number of multilib targets better have been built correctly for 47# the target in mind. 48# 49cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \ 50 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//') 51endif 52 53cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb 54cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml 55 56cflags-y += $(call cc-option,-mno-fdpic) 57 58# 59# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that 60# support it, while -Wa,-dsp by itself limits the range of usable opcodes 61# on certain CPU subtypes. Try the ISA variant first, and if that fails, 62# fall back on -Wa,-dsp for the old binutils versions. Even without DSP 63# opcodes, we always want the best ISA tuning the version of binutils 64# will provide. 65# 66isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) 67 68isaflags-$(CONFIG_SH_DSP) := \ 69 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) 70 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 82 83# Set some sensible Kbuild defaults 84KBUILD_DEFCONFIG := shx3_defconfig 85KBUILD_IMAGE := $(defaultimage-y) 86 87# 88# Choosing incompatible machines durings configuration will result in 89# error messages during linking. 90# 91ifdef CONFIG_SUPERH32 92UTS_MACHINE := sh 93LDFLAGS_vmlinux += -e _stext 94else 95UTS_MACHINE := sh64 96LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 97 --defsym phys_stext_shmedia=phys_stext+1 \ 98 -e phys_stext_shmedia 99endif 100 101ifdef CONFIG_CPU_LITTLE_ENDIAN 102LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' 103LDFLAGS += -EL 104else 105LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' 106LDFLAGS += -EB 107endif 108 109head-y := arch/sh/kernel/init_task.o 110head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o 111head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o 112 113core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ 114core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 115 116# Mach groups 117machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se 118machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx 119machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast 120machdir-$(CONFIG_SH_SH03) += mach-sh03 121machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear 122machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d 123machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh 124machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705 125machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander 126machdir-$(CONFIG_SH_MIGOR) += mach-migor 127machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 128machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto 129machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 130machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev 131machdir-$(CONFIG_SH_LANDISK) += mach-landisk 132machdir-$(CONFIG_SH_TITAN) += mach-titan 133machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 134machdir-$(CONFIG_SH_CAYMAN) += mach-cayman 135 136ifneq ($(machdir-y),) 137core-y += $(addprefix arch/sh/boards/, \ 138 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 139endif 140 141# Common machine type headers. Not part of the arch/sh/boards/ hierarchy. 142machdir-y += mach-common 143 144# Companion chips 145core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 146 147# 148# CPU header paths 149# 150# These are ordered by optimization level. A CPU family that is a subset 151# of another (ie, SH-2A / SH-2), is picked up first, with increasing 152# levels of genericness if nothing more suitable is situated in the 153# hierarchy. 154# 155# As an example, in order of preference, SH-2A > SH-2 > common definitions. 156# 157cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a 158cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 159cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 160cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 161cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 162cpuincdir-y += cpu-common # Must be last 163 164drivers-y += arch/sh/drivers/ 165drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 166 167boot := arch/sh/boot 168 169cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ 170 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) 171 172KBUILD_CFLAGS += -pipe $(cflags-y) 173KBUILD_CPPFLAGS += $(cflags-y) 174KBUILD_AFLAGS += $(cflags-y) 175 176LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 177 178libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 179libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 180libs-y += $(LIBGCC) 181 182PHONY += maketools FORCE 183 184maketools: include/linux/version.h FORCE 185 $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h 186 187all: $(KBUILD_IMAGE) 188 189zImage uImage uImage.srec vmlinux.srec: vmlinux 190 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 191 192compressed: zImage 193 194archprepare: maketools arch/sh/lib64/syscalltab.h 195 196archclean: 197 $(Q)$(MAKE) $(clean)=$(boot) 198 199define archhelp 200 @echo '* zImage - Compressed kernel image' 201 @echo ' vmlinux.srec - Create an ELF S-record' 202 @echo ' uImage - Create a bootable image for U-Boot' 203 @echo ' uImage.srec - Create an S-record for U-Boot' 204endef 205 206define filechk_gen-syscalltab 207 (set -e; \ 208 echo "/*"; \ 209 echo " * DO NOT MODIFY."; \ 210 echo " *"; \ 211 echo " * This file was generated by arch/sh/Makefile"; \ 212 echo " * Any changes will be reverted at build time."; \ 213 echo " */"; \ 214 echo ""; \ 215 echo "#ifndef __SYSCALLTAB_H"; \ 216 echo "#define __SYSCALLTAB_H"; \ 217 echo ""; \ 218 echo "#include <linux/kernel.h>"; \ 219 echo ""; \ 220 echo "struct syscall_info {"; \ 221 echo " const char *name;"; \ 222 echo "} syscall_info_table[] = {"; \ 223 sed -e '/^.*\.long /!d;s// { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \ 224 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \ 225 echo "};"; \ 226 echo ""; \ 227 echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\ 228 echo ""; \ 229 echo "#endif /* __SYSCALLTAB_H */" ) 230endef 231 232arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S 233 $(call filechk,gen-syscalltab) 234 235CLEAN_FILES += arch/sh/lib64/syscalltab.h \ 236 include/asm-sh/machtypes.h 237