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 44# 45# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that 46# support it, while -Wa,-dsp by itself limits the range of usable opcodes 47# on certain CPU subtypes. Try the ISA variant first, and if that fails, 48# fall back on -Wa,-dsp for the old binutils versions. Even without DSP 49# opcodes, we always want the best ISA tuning the version of binutils 50# will provide. 51# 52isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) 53 54isaflags-$(CONFIG_SH_DSP) := \ 55 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) 56 57cflags-y += $(isaflags-y) -ffreestanding 58 59cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \ 60 $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g') 61 62OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ 63 -R .stab -R .stabstr -S 64 65# Give the various platforms the opportunity to set default image types 66defaultimage-$(CONFIG_SUPERH32) := zImage 67 68# Set some sensible Kbuild defaults 69KBUILD_DEFCONFIG := r7780mp_defconfig 70KBUILD_IMAGE := $(defaultimage-y) 71 72# 73# Choosing incompatible machines durings configuration will result in 74# error messages during linking. 75# 76ifdef CONFIG_SUPERH32 77LDFLAGS_vmlinux += -e _stext 78else 79LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 80 --defsym phys_stext_shmedia=phys_stext+1 \ 81 -e phys_stext_shmedia 82endif 83 84ifdef CONFIG_CPU_LITTLE_ENDIAN 85LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' 86LDFLAGS += -EL 87else 88LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' 89LDFLAGS += -EB 90endif 91 92KBUILD_CFLAGS += -pipe $(cflags-y) 93KBUILD_AFLAGS += $(cflags-y) 94 95head-y := arch/sh/kernel/init_task.o 96head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o 97head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o 98 99LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 100 101core-y += arch/sh/kernel/ arch/sh/mm/ 102core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 103 104# Boards 105machdir-$(CONFIG_SH_SOLUTION_ENGINE) += se/770x 106machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE) += se/7722 107machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE) += se/7751 108machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE) += se/7780 109machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE) += se/7343 110machdir-$(CONFIG_SH_HP6XX) += hp6xx 111machdir-$(CONFIG_SH_DREAMCAST) += dreamcast 112machdir-$(CONFIG_SH_MPC1211) += mpc1211 113machdir-$(CONFIG_SH_SH03) += sh03 114machdir-$(CONFIG_SH_SECUREEDGE5410) += snapgear 115machdir-$(CONFIG_SH_RTS7751R2D) += renesas/rts7751r2d 116machdir-$(CONFIG_SH_7751_SYSTEMH) += renesas/systemh 117machdir-$(CONFIG_SH_EDOSK7705) += renesas/edosk7705 118machdir-$(CONFIG_SH_HIGHLANDER) += renesas/r7780rp 119machdir-$(CONFIG_SH_MIGOR) += renesas/migor 120machdir-$(CONFIG_SH_SDK7780) += renesas/sdk7780 121machdir-$(CONFIG_SH_X3PROTO) += renesas/x3proto 122machdir-$(CONFIG_SH_SH4202_MICRODEV) += superh/microdev 123machdir-$(CONFIG_SH_LANDISK) += landisk 124machdir-$(CONFIG_SH_TITAN) += titan 125machdir-$(CONFIG_SH_SHMIN) += shmin 126machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE) += se/7206 127machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE) += se/7619 128machdir-$(CONFIG_SH_LBOX_RE2) += lboxre2 129machdir-$(CONFIG_SH_MAGIC_PANEL_R2) += magicpanelr2 130machdir-$(CONFIG_SH_CAYMAN) += cayman 131 132incdir-y := $(notdir $(machdir-y)) 133 134ifneq ($(machdir-y),) 135core-y += $(addprefix arch/sh/boards/, \ 136 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 137endif 138 139# Companion chips 140core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 141 142cpuincdir-$(CONFIG_CPU_SH2) := cpu-sh2 143cpuincdir-$(CONFIG_CPU_SH2A) := cpu-sh2a 144cpuincdir-$(CONFIG_CPU_SH3) := cpu-sh3 145cpuincdir-$(CONFIG_CPU_SH4) := cpu-sh4 146cpuincdir-$(CONFIG_CPU_SH5) := cpu-sh5 147 148libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 149libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 150libs-y += $(LIBGCC) 151 152drivers-y += arch/sh/drivers/ 153drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 154 155boot := arch/sh/boot 156 157ifneq ($(KBUILD_SRC),) 158incdir-prefix := $(srctree)/include/asm-sh/ 159else 160incdir-prefix := 161endif 162 163# Update machine arch and proc symlinks if something which affects 164# them changed. We use .arch and .mach to indicate when they were 165# updated last, otherwise make uses the target directory mtime. 166 167include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \ 168 include/config/auto.conf FORCE 169 @echo ' SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)' 170 $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi 171 $(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu 172 @touch $@ 173 174# Most boards have their own mach directories. For the ones that 175# don't, just reference the parent directory so the semantics are 176# kept roughly the same. 177# 178# When multiple boards are compiled in at the same time, preference 179# for the mach link is given to whichever has a directory for its 180# headers. However, this is only a workaround until platforms that 181# can live in the same kernel image back away from relying on the 182# mach link. 183 184include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \ 185 include/config/auto.conf FORCE 186 $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi 187 $(Q)rm -f include/asm-sh/mach 188 $(Q)for i in $(incdir-y); do \ 189 if [ -d $(srctree)/include/asm-sh/$$i ]; then \ 190 echo -n ' SYMLINK include/asm-sh/mach -> '; \ 191 echo -e "include/asm-sh/$$i"; \ 192 ln -fsn $(incdir-prefix)$$i \ 193 include/asm-sh/mach; \ 194 else \ 195 if [ ! -d include/asm-sh/mach ]; then \ 196 echo -n ' SYMLINK include/asm-sh/mach -> '; \ 197 echo -e 'include/asm-sh'; \ 198 ln -fsn $(incdir-prefix)../asm-sh include/asm-sh/mach; \ 199 fi; \ 200 fi; \ 201 done 202 @touch $@ 203 204PHONY += maketools FORCE 205 206maketools: include/linux/version.h FORCE 207 $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h 208 209all: $(KBUILD_IMAGE) 210 211zImage uImage uImage.srec vmlinux.srec: vmlinux 212 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 213 214compressed: zImage 215 216archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools \ 217 arch/sh/lib64/syscalltab.h 218 219archclean: 220 $(Q)$(MAKE) $(clean)=$(boot) 221 222define archhelp 223 @echo '* zImage - Compressed kernel image' 224 @echo ' vmlinux.srec - Create an ELF S-record' 225 @echo ' uImage - Create a bootable image for U-Boot' 226 @echo ' uImage.srec - Create an S-record for U-Boot' 227endef 228 229define filechk_gen-syscalltab 230 (set -e; \ 231 echo "/*"; \ 232 echo " * DO NOT MODIFY."; \ 233 echo " *"; \ 234 echo " * This file was generated by arch/sh/Makefile"; \ 235 echo " * Any changes will be reverted at build time."; \ 236 echo " */"; \ 237 echo ""; \ 238 echo "#ifndef __SYSCALLTAB_H"; \ 239 echo "#define __SYSCALLTAB_H"; \ 240 echo ""; \ 241 echo "#include <linux/kernel.h>"; \ 242 echo ""; \ 243 echo "struct syscall_info {"; \ 244 echo " const char *name;"; \ 245 echo "} syscall_info_table[] = {"; \ 246 sed -e '/^.*\.long /!d;s// { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \ 247 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \ 248 echo "};"; \ 249 echo ""; \ 250 echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\ 251 echo ""; \ 252 echo "#endif /* __SYSCALLTAB_H */" ) 253endef 254 255arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S 256 $(call filechk,gen-syscalltab) 257 258CLEAN_FILES += arch/sh/lib64/syscalltab.h \ 259 include/asm-sh/machtypes.h \ 260 include/asm-sh/cpu include/asm-sh/.cpu \ 261 include/asm-sh/mach include/asm-sh/.mach 262