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 22 ifeq ($(CONFIG_SUPERH32),y) 23 isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp 24 isa-y := $(isa-y)-up 25 endif 26 27 cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) 28 cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ 29 $(call cc-option,-m2a-nofpu,) 30 cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) 31 cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ 32 $(call cc-option,-mno-implicit-fp,-m4-nofpu) 33 cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ 34 $(call cc-option,-m4a-nofpu,) 35 cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,) 36 cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,) 37 38 ifeq ($(cflags-y),) 39 # 40 # In the case where we are stuck with a compiler that has been uselessly 41 # restricted to a particular ISA, a favourite default of newer GCCs when 42 # extensive multilib targets are not provided, ensure we get the best fit 43 # regarding FP generation. This is intentionally stupid (albeit many 44 # orders of magnitude less than GCC's default behaviour), as anything 45 # with a large number of multilib targets better have been built 46 # correctly for the target in mind. 47 # 48 cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \ 49 grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//') 50 # At this point, anything goes. 51 isaflags-y := $(call as-option,-Wa$(comma)-isa=any,) 52 else 53 # 54 # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that 55 # support it, while -Wa,-dsp by itself limits the range of usable opcodes 56 # on certain CPU subtypes. Try the ISA variant first, and if that fails, 57 # fall back on -Wa,-dsp for the old binutils versions. Even without DSP 58 # opcodes, we always want the best ISA tuning the version of binutils 59 # will provide. 60 # 61 isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) 62 63 isaflags-$(CONFIG_SH_DSP) := \ 64 $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) 65 endif 66 67 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb 68 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml 69 70 cflags-y += $(call cc-option,-mno-fdpic) 71 cflags-y += $(isaflags-y) -ffreestanding 72 73 OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ 74 -R .stab -R .stabstr -S 75 76 # Give the various platforms the opportunity to set default image types 77 defaultimage-$(CONFIG_SUPERH32) := zImage 78 defaultimage-$(CONFIG_SH_SH7785LCR) := uImage 79 defaultimage-$(CONFIG_SH_RSK) := uImage 80 defaultimage-$(CONFIG_SH_URQUELL) := uImage 81 defaultimage-$(CONFIG_SH_MIGOR) := uImage 82 defaultimage-$(CONFIG_SH_AP325RXA) := uImage 83 defaultimage-$(CONFIG_SH_SH7757LCR) := uImage 84 defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage 85 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux 86 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux 87 88 # Set some sensible Kbuild defaults 89 KBUILD_IMAGE := $(defaultimage-y) 90 91 # 92 # Choosing incompatible machines durings configuration will result in 93 # error messages during linking. 94 # 95 ifdef CONFIG_SUPERH32 96 UTS_MACHINE := sh 97 BITS := 32 98 LDFLAGS_vmlinux += -e _stext 99 KBUILD_DEFCONFIG := shx3_defconfig 100 else 101 UTS_MACHINE := sh64 102 BITS := 64 103 LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ 104 --defsym phys_stext_shmedia=phys_stext+1 \ 105 -e phys_stext_shmedia 106 KBUILD_DEFCONFIG := cayman_defconfig 107 endif 108 109 ifneq ($(SUBARCH),$(ARCH)) 110 ifeq ($(CROSS_COMPILE),) 111 CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-) 112 endif 113 endif 114 115 ifdef CONFIG_CPU_LITTLE_ENDIAN 116 ld-bfd := elf32-$(UTS_MACHINE)-linux 117 LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd) 118 LDFLAGS += -EL 119 else 120 ld-bfd := elf32-$(UTS_MACHINE)big-linux 121 LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd) 122 LDFLAGS += -EB 123 endif 124 125 export ld-bfd BITS 126 127 head-y := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o 128 129 core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ 130 core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ 131 132 # Mach groups 133 machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se 134 machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx 135 machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast 136 machdir-$(CONFIG_SH_SH03) += mach-sh03 137 machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d 138 machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander 139 machdir-$(CONFIG_SH_MIGOR) += mach-migor 140 machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa 141 machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09 142 machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24 143 machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 144 machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786 145 machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto 146 machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp 147 machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev 148 machdir-$(CONFIG_SH_LANDISK) += mach-landisk 149 machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 150 machdir-$(CONFIG_SH_CAYMAN) += mach-cayman 151 machdir-$(CONFIG_SH_RSK) += mach-rsk 152 153 ifneq ($(machdir-y),) 154 core-y += $(addprefix arch/sh/boards/, \ 155 $(filter-out ., $(patsubst %,%/,$(machdir-y)))) 156 endif 157 158 # Common machine type headers. Not part of the arch/sh/boards/ hierarchy. 159 machdir-y += mach-common 160 161 # Companion chips 162 core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ 163 164 # 165 # CPU header paths 166 # 167 # These are ordered by optimization level. A CPU family that is a subset 168 # of another (ie, SH-2A / SH-2), is picked up first, with increasing 169 # levels of genericness if nothing more suitable is situated in the 170 # hierarchy. 171 # 172 # As an example, in order of preference, SH-2A > SH-2 > common definitions. 173 # 174 cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a 175 cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 176 cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 177 cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a 178 cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 179 cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 180 cpuincdir-y += cpu-common # Must be last 181 182 drivers-y += arch/sh/drivers/ 183 drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ 184 185 boot := arch/sh/boot 186 187 cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ 188 $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) 189 190 KBUILD_CFLAGS += -pipe $(cflags-y) 191 KBUILD_CPPFLAGS += $(cflags-y) 192 KBUILD_AFLAGS += $(cflags-y) 193 194 ifeq ($(CONFIG_MCOUNT),y) 195 KBUILD_CFLAGS += -pg 196 endif 197 198 ifeq ($(CONFIG_DWARF_UNWINDER),y) 199 KBUILD_CFLAGS += -fasynchronous-unwind-tables 200 endif 201 202 libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) 203 libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) 204 205 BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \ 206 uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \ 207 romImage 208 PHONY += $(BOOT_TARGETS) 209 210 all: $(KBUILD_IMAGE) 211 212 $(BOOT_TARGETS): vmlinux 213 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 214 215 compressed: zImage 216 217 archprepare: 218 $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h 219 220 archclean: 221 $(Q)$(MAKE) $(clean)=$(boot) 222 $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall 223 224 define archhelp 225 @echo ' zImage - Compressed kernel image' 226 @echo ' romImage - Compressed ROM image, if supported' 227 @echo ' vmlinux.srec - Create an ELF S-record' 228 @echo ' vmlinux.bin - Create an uncompressed binary image' 229 @echo '* uImage - Alias to bootable U-Boot image' 230 @echo ' uImage.srec - Create an S-record for U-Boot' 231 @echo ' uImage.bin - Kernel-only image for U-Boot (bin)' 232 @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)' 233 @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' 234 @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' 235 @echo ' uImage.xz - Kernel-only image for U-Boot (xz)' 236 @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)' 237 endef 238