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_SH7763RDP) += renesas/sh7763rdp 127machdir-$(CONFIG_SH_SH7785LCR) += renesas/sh7785lcr 128machdir-$(CONFIG_SH_SH4202_MICRODEV) += superh/microdev 129machdir-$(CONFIG_SH_LANDISK) += landisk 130machdir-$(CONFIG_SH_TITAN) += titan 131machdir-$(CONFIG_SH_SHMIN) += shmin 132machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE) += se/7206 133machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE) += se/7619 134machdir-$(CONFIG_SH_LBOX_RE2) += lboxre2 135machdir-$(CONFIG_SH_MAGIC_PANEL_R2) += magicpanelr2 136machdir-$(CONFIG_SH_CAYMAN) += cayman 137 138incdir-y := $(notdir $(machdir-y)) 139 140ifneq ($(machdir-y),) 141core-y += $(addprefix arch/sh/boards/, \ 142 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 143endif 144 145# Companion chips 146core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 147 148cpuincdir-$(CONFIG_CPU_SH2) := cpu-sh2 149cpuincdir-$(CONFIG_CPU_SH2A) := cpu-sh2a 150cpuincdir-$(CONFIG_CPU_SH3) := cpu-sh3 151cpuincdir-$(CONFIG_CPU_SH4) := cpu-sh4 152cpuincdir-$(CONFIG_CPU_SH5) := cpu-sh5 153 154libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 155libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 156libs-y += $(LIBGCC) 157 158drivers-y += arch/sh/drivers/ 159drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 160 161boot := arch/sh/boot 162 163ifneq ($(KBUILD_SRC),) 164incdir-prefix := $(srctree)/include/asm-sh/ 165else 166incdir-prefix := 167endif 168 169# Update machine arch and proc symlinks if something which affects 170# them changed. We use .arch and .mach to indicate when they were 171# updated last, otherwise make uses the target directory mtime. 172 173include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \ 174 include/config/auto.conf FORCE 175 @echo ' SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)' 176 $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi 177 $(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu 178 @touch $@ 179 180# Most boards have their own mach directories. For the ones that 181# don't, just reference the parent directory so the semantics are 182# kept roughly the same. 183# 184# When multiple boards are compiled in at the same time, preference 185# for the mach link is given to whichever has a directory for its 186# headers. However, this is only a workaround until platforms that 187# can live in the same kernel image back away from relying on the 188# mach link. 189 190include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \ 191 include/config/auto.conf FORCE 192 $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi 193 $(Q)rm -f include/asm-sh/mach 194 $(Q)for i in $(incdir-y); do \ 195 if [ -d $(srctree)/include/asm-sh/$$i ]; then \ 196 echo -n ' SYMLINK include/asm-sh/mach -> '; \ 197 echo -e "include/asm-sh/$$i"; \ 198 ln -fsn $(incdir-prefix)$$i \ 199 include/asm-sh/mach; \ 200 else \ 201 if [ ! -d include/asm-sh/mach ]; then \ 202 echo -n ' SYMLINK include/asm-sh/mach -> '; \ 203 echo -e 'include/asm-sh'; \ 204 ln -fsn $(incdir-prefix)../asm-sh include/asm-sh/mach; \ 205 fi; \ 206 fi; \ 207 done 208 @touch $@ 209 210PHONY += maketools FORCE 211 212maketools: include/linux/version.h FORCE 213 $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h 214 215all: $(KBUILD_IMAGE) 216 217zImage uImage uImage.srec vmlinux.srec: vmlinux 218 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 219 220compressed: zImage 221 222archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools \ 223 arch/sh/lib64/syscalltab.h 224 225archclean: 226 $(Q)$(MAKE) $(clean)=$(boot) 227 228define archhelp 229 @echo '* zImage - Compressed kernel image' 230 @echo ' vmlinux.srec - Create an ELF S-record' 231 @echo ' uImage - Create a bootable image for U-Boot' 232 @echo ' uImage.srec - Create an S-record for U-Boot' 233endef 234 235define filechk_gen-syscalltab 236 (set -e; \ 237 echo "/*"; \ 238 echo " * DO NOT MODIFY."; \ 239 echo " *"; \ 240 echo " * This file was generated by arch/sh/Makefile"; \ 241 echo " * Any changes will be reverted at build time."; \ 242 echo " */"; \ 243 echo ""; \ 244 echo "#ifndef __SYSCALLTAB_H"; \ 245 echo "#define __SYSCALLTAB_H"; \ 246 echo ""; \ 247 echo "#include <linux/kernel.h>"; \ 248 echo ""; \ 249 echo "struct syscall_info {"; \ 250 echo " const char *name;"; \ 251 echo "} syscall_info_table[] = {"; \ 252 sed -e '/^.*\.long /!d;s// { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \ 253 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \ 254 echo "};"; \ 255 echo ""; \ 256 echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\ 257 echo ""; \ 258 echo "#endif /* __SYSCALLTAB_H */" ) 259endef 260 261arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S 262 $(call filechk,gen-syscalltab) 263 264CLEAN_FILES += arch/sh/lib64/syscalltab.h \ 265 include/asm-sh/machtypes.h \ 266 include/asm-sh/cpu include/asm-sh/.cpu \ 267 include/asm-sh/mach include/asm-sh/.mach 268