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 21isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp 22 23cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) 24cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ 25 $(call cc-option,-m2a-nofpu,) 26cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) 27cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ 28 $(call cc-option,-mno-implicit-fp,-m4-nofpu) 29cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ 30 $(call cc-option,-m4a-nofpu,) 31cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,) 32 33ifeq ($(cflags-y),) 34# 35# In the case where we are stuck with a compiler that has been uselessly 36# restricted to a particular ISA, a favourite default of newer GCCs when 37# extensive multilib targets are not provided, ensure we get the best fit 38# regarding FP generation. This is necessary to avoid references to FP 39# variants in libgcc where integer variants exist, which otherwise result 40# in link errors. This is intentionally stupid (albeit many orders of 41# magnitude less than GCC's default behaviour), as anything with a large 42# number of multilib targets better have been built correctly for 43# the target in mind. 44# 45cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \ 46 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//') 47endif 48 49cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb 50cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml 51 52cflags-y += $(call cc-option,-mno-fdpic) 53 54# 55# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that 56# support it, while -Wa,-dsp by itself limits the range of usable opcodes 57# on certain CPU subtypes. Try the ISA variant first, and if that fails, 58# fall back on -Wa,-dsp for the old binutils versions. Even without DSP 59# opcodes, we always want the best ISA tuning the version of binutils 60# will provide. 61# 62isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) 63 64isaflags-$(CONFIG_SH_DSP) := \ 65 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) 66 67cflags-y += $(isaflags-y) -ffreestanding 68 69cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \ 70 $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g') 71 72OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ 73 -R .stab -R .stabstr -S 74 75# Give the various platforms the opportunity to set default image types 76defaultimage-$(CONFIG_SUPERH32) := zImage 77defaultimage-$(CONFIG_SH_SH7785LCR) := uImage 78 79# Set some sensible Kbuild defaults 80KBUILD_DEFCONFIG := shx3_defconfig 81KBUILD_IMAGE := $(defaultimage-y) 82 83# 84# Choosing incompatible machines durings configuration will result in 85# error messages during linking. 86# 87ifdef CONFIG_SUPERH32 88UTS_MACHINE := sh 89LDFLAGS_vmlinux += -e _stext 90else 91UTS_MACHINE := sh64 92LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 93 --defsym phys_stext_shmedia=phys_stext+1 \ 94 -e phys_stext_shmedia 95endif 96 97ifdef CONFIG_CPU_LITTLE_ENDIAN 98LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' 99LDFLAGS += -EL 100else 101LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' 102LDFLAGS += -EB 103endif 104 105head-y := arch/sh/kernel/init_task.o 106head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o 107head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o 108 109core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ 110core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 111 112# Mach groups 113machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se 114machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx 115machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast 116machdir-$(CONFIG_SH_SH03) += mach-sh03 117machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear 118machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d 119machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh 120machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705 121machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander 122machdir-$(CONFIG_SH_MIGOR) += mach-migor 123machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 124machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto 125machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 126machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev 127machdir-$(CONFIG_SH_LANDISK) += mach-landisk 128machdir-$(CONFIG_SH_TITAN) += mach-titan 129machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 130machdir-$(CONFIG_SH_CAYMAN) += mach-cayman 131 132ifneq ($(machdir-y),) 133core-y += $(addprefix arch/sh/boards/, \ 134 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 135endif 136 137# Common machine type headers. Not part of the arch/sh/boards/ hierarchy. 138machdir-y += mach-common 139 140# Companion chips 141core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 142 143# 144# CPU header paths 145# 146# These are ordered by optimization level. A CPU family that is a subset 147# of another (ie, SH-2A / SH-2), is picked up first, with increasing 148# levels of genericness if nothing more suitable is situated in the 149# hierarchy. 150# 151# As an example, in order of preference, SH-2A > SH-2 > common definitions. 152# 153cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a 154cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 155cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 156cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 157cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 158cpuincdir-y += cpu-common # Must be last 159 160drivers-y += arch/sh/drivers/ 161drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 162 163boot := arch/sh/boot 164 165cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ 166 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) 167 168KBUILD_CFLAGS += -pipe $(cflags-y) 169KBUILD_CPPFLAGS += $(cflags-y) 170KBUILD_AFLAGS += $(cflags-y) 171 172LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 173 174libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 175libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 176libs-y += $(LIBGCC) 177 178PHONY += maketools FORCE 179 180maketools: include/linux/version.h FORCE 181 $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h 182 183all: $(KBUILD_IMAGE) 184 185zImage uImage uImage.srec vmlinux.srec: vmlinux 186 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 187 188compressed: zImage 189 190archprepare: maketools arch/sh/lib64/syscalltab.h 191 192archclean: 193 $(Q)$(MAKE) $(clean)=$(boot) 194 195define archhelp 196 @echo '* zImage - Compressed kernel image' 197 @echo ' vmlinux.srec - Create an ELF S-record' 198 @echo ' uImage - Create a bootable image for U-Boot' 199 @echo ' uImage.srec - Create an S-record for U-Boot' 200endef 201 202define filechk_gen-syscalltab 203 (set -e; \ 204 echo "/*"; \ 205 echo " * DO NOT MODIFY."; \ 206 echo " *"; \ 207 echo " * This file was generated by arch/sh/Makefile"; \ 208 echo " * Any changes will be reverted at build time."; \ 209 echo " */"; \ 210 echo ""; \ 211 echo "#ifndef __SYSCALLTAB_H"; \ 212 echo "#define __SYSCALLTAB_H"; \ 213 echo ""; \ 214 echo "#include <linux/kernel.h>"; \ 215 echo ""; \ 216 echo "struct syscall_info {"; \ 217 echo " const char *name;"; \ 218 echo "} syscall_info_table[] = {"; \ 219 sed -e '/^.*\.long /!d;s// { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \ 220 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \ 221 echo "};"; \ 222 echo ""; \ 223 echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\ 224 echo ""; \ 225 echo "#endif /* __SYSCALLTAB_H */" ) 226endef 227 228arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S 229 $(call filechk,gen-syscalltab) 230 231CLEAN_FILES += arch/sh/lib64/syscalltab.h \ 232 include/asm-sh/machtypes.h 233