| 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 | # |
| 12 | isa-y := any |
| 13 | isa-$(CONFIG_SH_DSP) := sh |
| 14 | isa-$(CONFIG_CPU_SH2) := sh2 |
| 15 | isa-$(CONFIG_CPU_SH2A) := sh2a |
| 16 | isa-$(CONFIG_CPU_SH3) := sh3 |
| 17 | isa-$(CONFIG_CPU_SH4) := sh4 |
| 18 | isa-$(CONFIG_CPU_SH4A) := sh4a |
| 19 | isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al |
| 20 | isa-$(CONFIG_CPU_SH5) := shmedia |
| 21 | isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp |
| 22 | |
| 23 | cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) |
| 24 | cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ |
| 25 | $(call cc-option,-m2a-nofpu,) |
| 26 | cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) |
| 27 | cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ |
| 28 | $(call cc-option,-mno-implicit-fp,-m4-nofpu) |
| 29 | cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ |
| 30 | $(call cc-option,-m4a-nofpu,) |
| 31 | cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,) |
| 32 | |
| 33 | ifeq ($(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 | # |
| 45 | cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \ |
| 46 | grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//') |
| 47 | endif |
| 48 | |
| 49 | cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb |
| 50 | cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml |
| 51 | |
| 52 | cflags-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 | # |
| 62 | isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) |
| 63 | |
| 64 | isaflags-$(CONFIG_SH_DSP) := \ |
| 65 | $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) |
| 66 | |
| 67 | cflags-y += $(isaflags-y) -ffreestanding |
| 68 | |
| 69 | cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \ |
| 70 | $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g') |
| 71 | |
| 72 | OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ |
| 73 | -R .stab -R .stabstr -S |
| 74 | |
| 75 | # Give the various platforms the opportunity to set default image types |
| 76 | defaultimage-$(CONFIG_SUPERH32) := zImage |
| 77 | defaultimage-$(CONFIG_SH_SH7785LCR) := uImage |
| 78 | |
| 79 | # Set some sensible Kbuild defaults |
| 80 | KBUILD_DEFCONFIG := shx3_defconfig |
| 81 | KBUILD_IMAGE := $(defaultimage-y) |
| 82 | |
| 83 | # |
| 84 | # Choosing incompatible machines durings configuration will result in |
| 85 | # error messages during linking. |
| 86 | # |
| 87 | ifdef CONFIG_SUPERH32 |
| 88 | UTS_MACHINE := sh |
| 89 | LDFLAGS_vmlinux += -e _stext |
| 90 | else |
| 91 | UTS_MACHINE := sh64 |
| 92 | LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ |
| 93 | --defsym phys_stext_shmedia=phys_stext+1 \ |
| 94 | -e phys_stext_shmedia |
| 95 | endif |
| 96 | |
| 97 | ifdef CONFIG_CPU_LITTLE_ENDIAN |
| 98 | LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' |
| 99 | LDFLAGS += -EL |
| 100 | else |
| 101 | LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' |
| 102 | LDFLAGS += -EB |
| 103 | endif |
| 104 | |
| 105 | head-y := arch/sh/kernel/init_task.o |
| 106 | head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o |
| 107 | head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o |
| 108 | |
| 109 | core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ |
| 110 | core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ |
| 111 | |
| 112 | # Mach groups |
| 113 | machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se |
| 114 | machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx |
| 115 | machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast |
| 116 | machdir-$(CONFIG_SH_SH03) += mach-sh03 |
| 117 | machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear |
| 118 | machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d |
| 119 | machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh |
| 120 | machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705 |
| 121 | machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander |
| 122 | machdir-$(CONFIG_SH_MIGOR) += mach-migor |
| 123 | machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 |
| 124 | machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto |
| 125 | machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp |
| 126 | machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev |
| 127 | machdir-$(CONFIG_SH_LANDISK) += mach-landisk |
| 128 | machdir-$(CONFIG_SH_TITAN) += mach-titan |
| 129 | machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 |
| 130 | machdir-$(CONFIG_SH_CAYMAN) += mach-cayman |
| 131 | |
| 132 | ifneq ($(machdir-y),) |
| 133 | core-y += $(addprefix arch/sh/boards/, \ |
| 134 | $(filter-out ., $(patsubst %,%/,$(machdir-y)))) |
| 135 | endif |
| 136 | |
| 137 | # Common machine type headers. Not part of the arch/sh/boards/ hierarchy. |
| 138 | machdir-y += mach-common |
| 139 | |
| 140 | # Companion chips |
| 141 | core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ |
| 142 | |
| 143 | # |
| 144 | # CPU header paths |
| 145 | # |
| 146 | # These are ordered by optimization level. A CPU family that is a subset |
| 147 | # of another (ie, SH-2A / SH-2), is picked up first, with increasing |
| 148 | # levels of genericness if nothing more suitable is situated in the |
| 149 | # hierarchy. |
| 150 | # |
| 151 | # As an example, in order of preference, SH-2A > SH-2 > common definitions. |
| 152 | # |
| 153 | cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a |
| 154 | cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 |
| 155 | cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 |
| 156 | cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 |
| 157 | cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 |
| 158 | cpuincdir-y += cpu-common # Must be last |
| 159 | |
| 160 | drivers-y += arch/sh/drivers/ |
| 161 | drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ |
| 162 | |
| 163 | boot := arch/sh/boot |
| 164 | |
| 165 | cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ |
| 166 | $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) |
| 167 | |
| 168 | KBUILD_CFLAGS += -pipe $(cflags-y) |
| 169 | KBUILD_CPPFLAGS += $(cflags-y) |
| 170 | KBUILD_AFLAGS += $(cflags-y) |
| 171 | |
| 172 | LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) |
| 173 | |
| 174 | libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) |
| 175 | libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) |
| 176 | libs-y += $(LIBGCC) |
| 177 | |
| 178 | PHONY += maketools FORCE |
| 179 | |
| 180 | maketools: include/linux/version.h FORCE |
| 181 | $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h |
| 182 | |
| 183 | all: $(KBUILD_IMAGE) |
| 184 | |
| 185 | zImage uImage uImage.srec vmlinux.srec: vmlinux |
| 186 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
| 187 | |
| 188 | compressed: zImage |
| 189 | |
| 190 | archprepare: maketools arch/sh/lib64/syscalltab.h |
| 191 | |
| 192 | archclean: |
| 193 | $(Q)$(MAKE) $(clean)=$(boot) |
| 194 | |
| 195 | define 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' |
| 200 | endef |
| 201 | |
| 202 | define 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 */" ) |
| 226 | endef |
| 227 | |
| 228 | arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S |
| 229 | $(call filechk,gen-syscalltab) |
| 230 | |
| 231 | CLEAN_FILES += arch/sh/lib64/syscalltab.h \ |
| 232 | include/asm-sh/machtypes.h |