1# 2# arch/sh/Makefile 3# 4# Copyright (C) 1999 Kaz Kojima 5# Copyright (C) 2002, 2003, 2004 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 21isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp 22 23ifndef CONFIG_SH_DSP 24ifndef CONFIG_SH_FPU 25isa-y := $(isa-y)-nofpu 26endif 27endif 28 29isa-y := $(isa-y)-up 30 31cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) 32cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ 33 $(call cc-option,-m2a-nofpu,) 34cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) 35cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ 36 $(call cc-option,-mno-implicit-fp,-m4-nofpu) 37cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ 38 $(call cc-option,-m4a-nofpu,) 39cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,) 40 41cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb 42cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml 43 44cflags-y += $(call cc-option,-mno-fdpic) 45 46# 47# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that 48# support it, while -Wa,-dsp by itself limits the range of usable opcodes 49# on certain CPU subtypes. Try the ISA variant first, and if that fails, 50# fall back on -Wa,-dsp for the old binutils versions. Even without DSP 51# opcodes, we always want the best ISA tuning the version of binutils 52# will provide. 53# 54isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) 55 56isaflags-$(CONFIG_SH_DSP) := \ 57 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) 58 59cflags-y += $(isaflags-y) -ffreestanding 60 61cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \ 62 $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g') 63 64OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ 65 -R .stab -R .stabstr -S 66 67# Give the various platforms the opportunity to set default image types 68defaultimage-$(CONFIG_SUPERH32) := zImage 69 70# Set some sensible Kbuild defaults 71KBUILD_DEFCONFIG := r7780mp_defconfig 72KBUILD_IMAGE := $(defaultimage-y) 73 74# 75# Choosing incompatible machines durings configuration will result in 76# error messages during linking. 77# 78ifdef CONFIG_SUPERH32 79LDFLAGS_vmlinux += -e _stext 80else 81LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 82 --defsym phys_stext_shmedia=phys_stext+1 \ 83 -e phys_stext_shmedia 84endif 85 86ifdef CONFIG_CPU_LITTLE_ENDIAN 87LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' 88LDFLAGS += -EL 89else 90LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' 91LDFLAGS += -EB 92endif 93 94KBUILD_CFLAGS += -pipe $(cflags-y) 95KBUILD_AFLAGS += $(cflags-y) 96 97head-y := arch/sh/kernel/init_task.o 98head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o 99head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o 100 101LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 102 103core-y += arch/sh/kernel/ arch/sh/mm/ 104core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 105 106# Boards 107machdir-$(CONFIG_SH_SOLUTION_ENGINE) += se/770x 108machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE) += se/7722 109machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE) += se/7751 110machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE) += se/7780 111machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE) += se/7343 112machdir-$(CONFIG_SH_7721_SOLUTION_ENGINE) += se/7721 113machdir-$(CONFIG_SH_HP6XX) += hp6xx 114machdir-$(CONFIG_SH_DREAMCAST) += dreamcast 115machdir-$(CONFIG_SH_SH03) += sh03 116machdir-$(CONFIG_SH_SECUREEDGE5410) += snapgear 117machdir-$(CONFIG_SH_RTS7751R2D) += renesas/rts7751r2d 118machdir-$(CONFIG_SH_7751_SYSTEMH) += renesas/systemh 119machdir-$(CONFIG_SH_EDOSK7705) += renesas/edosk7705 120machdir-$(CONFIG_SH_HIGHLANDER) += renesas/r7780rp 121machdir-$(CONFIG_SH_MIGOR) += renesas/migor 122machdir-$(CONFIG_SH_SDK7780) += renesas/sdk7780 123machdir-$(CONFIG_SH_X3PROTO) += renesas/x3proto 124machdir-$(CONFIG_SH_RSK7203) += renesas/rsk7203 125machdir-$(CONFIG_SH_AP325RXA) += renesas/ap325rxa 126machdir-$(CONFIG_SH_SH4202_MICRODEV) += superh/microdev 127machdir-$(CONFIG_SH_LANDISK) += landisk 128machdir-$(CONFIG_SH_TITAN) += titan 129machdir-$(CONFIG_SH_SHMIN) += shmin 130machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE) += se/7206 131machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE) += se/7619 132machdir-$(CONFIG_SH_LBOX_RE2) += lboxre2 133machdir-$(CONFIG_SH_MAGIC_PANEL_R2) += magicpanelr2 134machdir-$(CONFIG_SH_CAYMAN) += cayman 135 136incdir-y := $(notdir $(machdir-y)) 137 138ifneq ($(machdir-y),) 139core-y += $(addprefix arch/sh/boards/, \ 140 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 141endif 142 143# Companion chips 144core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 145 146cpuincdir-$(CONFIG_CPU_SH2) := cpu-sh2 147cpuincdir-$(CONFIG_CPU_SH2A) := cpu-sh2a 148cpuincdir-$(CONFIG_CPU_SH3) := cpu-sh3 149cpuincdir-$(CONFIG_CPU_SH4) := cpu-sh4 150cpuincdir-$(CONFIG_CPU_SH5) := cpu-sh5 151 152libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 153libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 154libs-y += $(LIBGCC) 155 156drivers-y += arch/sh/drivers/ 157drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 158 159boot := arch/sh/boot 160 161ifneq ($(KBUILD_SRC),) 162incdir-prefix := $(srctree)/include/asm-sh/ 163else 164incdir-prefix := 165endif 166 167# Update machine arch and proc symlinks if something which affects 168# them changed. We use .arch and .mach to indicate when they were 169# updated last, otherwise make uses the target directory mtime. 170 171include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \ 172 include/config/auto.conf FORCE 173 @echo ' SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)' 174 $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi 175 $(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu 176 @touch $@ 177 178# Most boards have their own mach directories. For the ones that 179# don't, just reference the parent directory so the semantics are 180# kept roughly the same. 181# 182# When multiple boards are compiled in at the same time, preference 183# for the mach link is given to whichever has a directory for its 184# headers. However, this is only a workaround until platforms that 185# can live in the same kernel image back away from relying on the 186# mach link. 187 188include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \ 189 include/config/auto.conf FORCE 190 $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi 191 $(Q)rm -f include/asm-sh/mach 192 $(Q)for i in $(incdir-y); do \ 193 if [ -d $(srctree)/include/asm-sh/$$i ]; then \ 194 echo -n ' SYMLINK include/asm-sh/mach -> '; \ 195 echo -e "include/asm-sh/$$i"; \ 196 ln -fsn $(incdir-prefix)$$i \ 197 include/asm-sh/mach; \ 198 else \ 199 if [ ! -d include/asm-sh/mach ]; then \ 200 echo -n ' SYMLINK include/asm-sh/mach -> '; \ 201 echo -e 'include/asm-sh'; \ 202 ln -fsn $(incdir-prefix)../asm-sh include/asm-sh/mach; \ 203 fi; \ 204 fi; \ 205 done 206 @touch $@ 207 208PHONY += maketools FORCE 209 210maketools: include/linux/version.h FORCE 211 $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h 212 213all: $(KBUILD_IMAGE) 214 215zImage uImage uImage.srec vmlinux.srec: vmlinux 216 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 217 218compressed: zImage 219 220archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools \ 221 arch/sh/lib64/syscalltab.h 222 223archclean: 224 $(Q)$(MAKE) $(clean)=$(boot) 225 226define archhelp 227 @echo '* zImage - Compressed kernel image' 228 @echo ' vmlinux.srec - Create an ELF S-record' 229 @echo ' uImage - Create a bootable image for U-Boot' 230 @echo ' uImage.srec - Create an S-record for U-Boot' 231endef 232 233define filechk_gen-syscalltab 234 (set -e; \ 235 echo "/*"; \ 236 echo " * DO NOT MODIFY."; \ 237 echo " *"; \ 238 echo " * This file was generated by arch/sh/Makefile"; \ 239 echo " * Any changes will be reverted at build time."; \ 240 echo " */"; \ 241 echo ""; \ 242 echo "#ifndef __SYSCALLTAB_H"; \ 243 echo "#define __SYSCALLTAB_H"; \ 244 echo ""; \ 245 echo "#include <linux/kernel.h>"; \ 246 echo ""; \ 247 echo "struct syscall_info {"; \ 248 echo " const char *name;"; \ 249 echo "} syscall_info_table[] = {"; \ 250 sed -e '/^.*\.long /!d;s// { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \ 251 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \ 252 echo "};"; \ 253 echo ""; \ 254 echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\ 255 echo ""; \ 256 echo "#endif /* __SYSCALLTAB_H */" ) 257endef 258 259arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S 260 $(call filechk,gen-syscalltab) 261 262CLEAN_FILES += arch/sh/lib64/syscalltab.h \ 263 include/asm-sh/machtypes.h \ 264 include/asm-sh/cpu include/asm-sh/.cpu \ 265 include/asm-sh/mach include/asm-sh/.mach 266