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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | # # arch/sh/Makefile # # Copyright (C) 1999 Kaz Kojima # Copyright (C) 2002 - 2008 Paul Mundt # Copyright (C) 2002 M. R. Brown # # This file is subject to the terms and conditions of the GNU General Public # License. See the file "COPYING" in the main directory of this archive # for more details. # ifdef cross_compiling ifeq ($(CROSS_COMPILE),) CROSS_COMPILE := $(call cc-cross-prefix, sh-linux- sh-linux-gnu- sh-unknown-linux-gnu-) endif endif KBUILD_DEFCONFIG := shx3_defconfig isa-y := any isa-$(CONFIG_SH_DSP) := sh isa-$(CONFIG_CPU_SH2) := sh2 isa-$(CONFIG_CPU_SH2A) := sh2a isa-$(CONFIG_CPU_SH3) := sh3 isa-$(CONFIG_CPU_SH4) := sh4 isa-$(CONFIG_CPU_SH4A) := sh4a isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp isa-y := $(isa-y)-up cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,) cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ $(call cc-option,-m2a-nofpu,) \ $(call cc-option,-m4-nofpu,) cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ $(call cc-option,-mno-implicit-fp,-m4-nofpu) cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ $(call cc-option,-m4a-nofpu,) cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,) ifeq ($(cflags-y),) # # In the case where we are stuck with a compiler that has been uselessly # restricted to a particular ISA, a favourite default of newer GCCs when # extensive multilib targets are not provided, ensure we get the best fit # regarding FP generation. This is intentionally stupid (albeit many # orders of magnitude less than GCC's default behaviour), as anything # with a large number of multilib targets better have been built # correctly for the target in mind. # cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \ grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//') # At this point, anything goes. isaflags-y := $(call as-option,-Wa$(comma)-isa=any,) else # # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that # support it, while -Wa,-dsp by itself limits the range of usable opcodes # on certain CPU subtypes. Try the ISA variant first, and if that fails, # fall back on -Wa,-dsp for the old binutils versions. Even without DSP # opcodes, we always want the best ISA tuning the version of binutils # will provide. # isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) isaflags-$(CONFIG_SH_DSP) := \ $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) endif cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml cflags-y += $(call cc-option,-mno-fdpic) cflags-y += $(isaflags-y) -ffreestanding OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ -R .stab -R .stabstr -S # Give the various platforms the opportunity to set default image types defaultimage-y := zImage defaultimage-$(CONFIG_SH_SH7785LCR) := uImage defaultimage-$(CONFIG_SH_RSK) := uImage defaultimage-$(CONFIG_SH_URQUELL) := uImage defaultimage-$(CONFIG_SH_MIGOR) := uImage defaultimage-$(CONFIG_SH_AP325RXA) := uImage defaultimage-$(CONFIG_SH_SH7757LCR) := uImage defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux # Set some sensible Kbuild defaults boot := arch/sh/boot KBUILD_IMAGE := $(boot)/$(defaultimage-y) # # Choosing incompatible machines durings configuration will result in # error messages during linking. # UTS_MACHINE := sh LDFLAGS_vmlinux += -e _stext ifdef CONFIG_CPU_LITTLE_ENDIAN ld-bfd := elf32-sh-linux LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd) KBUILD_LDFLAGS += -EL else ld-bfd := elf32-shbig-linux LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd) KBUILD_LDFLAGS += -EB endif export ld-bfd # Mach groups machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast machdir-$(CONFIG_SH_SH03) += mach-sh03 machdir-$(CONFIG_SH_MIGOR) += mach-migor machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09 machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24 machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786 machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto machdir-$(CONFIG_SH_LANDISK) += mach-landisk machdir-y += mach-common # # CPU header paths # # These are ordered by optimization level. A CPU family that is a subset # of another (ie, SH-2A / SH-2), is picked up first, with increasing # levels of genericness if nothing more suitable is situated in the # hierarchy. # # As an example, in order of preference, SH-2A > SH-2 > common definitions. # cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 cpuincdir-y += cpu-common # Must be last drivers-y += arch/sh/drivers/ KBUILD_CPPFLAGS += $(addprefix -I $(srctree)/arch/sh/include/, $(cpuincdir-y) $(machdir-y)) KBUILD_CFLAGS += -pipe $(cflags-y) KBUILD_AFLAGS += $(cflags-y) ifeq ($(CONFIG_MCOUNT),y) KBUILD_CFLAGS += -pg endif ifeq ($(CONFIG_DWARF_UNWINDER),y) KBUILD_CFLAGS += -fasynchronous-unwind-tables endif libs-y := arch/sh/lib/ $(libs-y) BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \ uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \ romImage PHONY += $(BOOT_TARGETS) all: $(notdir $(KBUILD_IMAGE)) $(BOOT_TARGETS): vmlinux $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ compressed: zImage archprepare: $(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h archheaders: $(Q)$(MAKE) $(build)=arch/sh/kernel/syscalls all define archhelp @echo ' zImage - Compressed kernel image' @echo ' romImage - Compressed ROM image, if supported' @echo ' vmlinux.srec - Create an ELF S-record' @echo ' vmlinux.bin - Create an uncompressed binary image' @echo '* uImage - Alias to bootable U-Boot image' @echo ' uImage.srec - Create an S-record for U-Boot' @echo ' uImage.bin - Kernel-only image for U-Boot (bin)' @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)' @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)' @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)' @echo ' uImage.xz - Kernel-only image for U-Boot (xz)' @echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)' endef |