arch/Config.in.mips

   1 # mips default CPU ISAs
   2 config BR2_MIPS_CPU_MIPS32
   3         bool
   4         select BR2_MIPS_NAN_LEGACY
   5 config BR2_MIPS_CPU_MIPS32R2
   6         bool
   7         select BR2_MIPS_NAN_LEGACY
   8 config BR2_MIPS_CPU_MIPS32R5
   9         bool
  10         select BR2_ARCH_NEEDS_GCC_AT_LEAST_5
  11 config BR2_MIPS_CPU_MIPS32R6
  12         bool
  13         select BR2_MIPS_NAN_2008
  14         select BR2_ARCH_NEEDS_GCC_AT_LEAST_5
  15 config BR2_MIPS_CPU_MIPS64
  16         bool
  17         select BR2_MIPS_NAN_LEGACY
  18 config BR2_MIPS_CPU_MIPS64R2
  19         bool
  20         select BR2_MIPS_NAN_LEGACY
  21 config BR2_MIPS_CPU_MIPS64R5
  22         bool
  23         select BR2_ARCH_NEEDS_GCC_AT_LEAST_5
  24 config BR2_MIPS_CPU_MIPS64R6
  25         bool
  26         select BR2_MIPS_NAN_2008
  27         select BR2_ARCH_NEEDS_GCC_AT_LEAST_5
  28
  29 choice
  30         prompt "Target Architecture Variant"
  31         default BR2_mips_32 if BR2_mips || BR2_mipsel
  32         default BR2_mips_64 if BR2_mips64 || BR2_mips64el
  33         depends on BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el
  34         help
  35           Specific CPU variant to use
  36
  37           64bit cabable: 64, 64r2, 64r5, 64r6
  38           non-64bit capable: 32, 32r2, 32r5, 32r6
  39
  40 config BR2_mips_32
  41         bool "Generic MIPS32"
  42         depends on !BR2_ARCH_IS_64
  43         select BR2_MIPS_CPU_MIPS32
  44 config BR2_mips_32r2
  45         bool "Generic MIPS32R2"
  46         depends on !BR2_ARCH_IS_64
  47         select BR2_MIPS_CPU_MIPS32R2
  48 config BR2_mips_32r5
  49         bool "Generic MIPS32R5"
  50         depends on !BR2_ARCH_IS_64
  51         select BR2_MIPS_CPU_MIPS32R5
  52 config BR2_mips_32r6
  53         bool "Generic MIPS32R6"
  54         depends on !BR2_ARCH_IS_64
  55         select BR2_MIPS_CPU_MIPS32R6
  56 config BR2_mips_interaptiv
  57         bool "interAptiv"
  58         depends on !BR2_ARCH_IS_64
  59         select BR2_MIPS_CPU_MIPS32R2
  60         select BR2_ARCH_NEEDS_GCC_AT_LEAST_6
  61 config BR2_mips_m5150
  62         bool "M5150"
  63         depends on !BR2_ARCH_IS_64
  64         select BR2_MIPS_CPU_MIPS32R5
  65         select BR2_MIPS_NAN_2008
  66         select BR2_ARCH_NEEDS_GCC_AT_LEAST_6
  67 config BR2_mips_m6250
  68         bool "M6250"
  69         depends on !BR2_ARCH_IS_64
  70         select BR2_ARCH_HAS_NO_TOOLCHAIN_BUILDROOT
  71         select BR2_MIPS_CPU_MIPS32R6
  72 config BR2_mips_p5600
  73         bool "P5600"
  74         depends on !BR2_ARCH_IS_64
  75         select BR2_MIPS_CPU_MIPS32R5
  76         select BR2_MIPS_NAN_2008
  77 config BR2_mips_xburst
  78         bool "XBurst"
  79         depends on !BR2_ARCH_IS_64
  80         select BR2_MIPS_CPU_MIPS32R2
  81         help
  82           The Ingenic XBurst is a MIPS32R2 microprocessor. It has a
  83           bug in the FPU that can generate incorrect results in
  84           certain cases. The problem shows up when you have several
  85           fused madd instructions in sequence with dependant
  86           operands. This requires the -mno-fused-madd compiler option
  87           to be used in order to prevent emitting these instructions.
  88
  89           See http://www.ingenic.com/en/?xburst.html
  90 config BR2_mips_64
  91         bool "Generic MIPS64"
  92         depends on BR2_ARCH_IS_64
  93         select BR2_MIPS_CPU_MIPS64
  94 config BR2_mips_64r2
  95         bool "Generic MIPS64R2"
  96         depends on BR2_ARCH_IS_64
  97         select BR2_MIPS_CPU_MIPS64R2
  98 config BR2_mips_64r5
  99         bool "Generic MIPS64R5"
 100         depends on BR2_ARCH_IS_64
 101         select BR2_MIPS_CPU_MIPS64R5
 102 config BR2_mips_64r6
 103         bool "Generic MIPS64R6"
 104         depends on BR2_ARCH_IS_64
 105         select BR2_MIPS_CPU_MIPS64R6
 106 config BR2_mips_i6400
 107         bool "I6400"
 108         depends on BR2_ARCH_IS_64
 109         select BR2_MIPS_CPU_MIPS64R6
 110         select BR2_ARCH_NEEDS_GCC_AT_LEAST_6
 111 config BR2_mips_p6600
 112         bool "P6600"
 113         depends on BR2_ARCH_IS_64
 114         select BR2_ARCH_HAS_NO_TOOLCHAIN_BUILDROOT
 115         select BR2_MIPS_CPU_MIPS64R6
 116 endchoice
 117
 118 choice
 119         prompt "Target ABI"
 120         default BR2_MIPS_NABI32
 121         depends on BR2_mips64 || BR2_mips64el
 122
 123         help
 124           Application Binary Interface to use
 125
 126 config BR2_MIPS_NABI32
 127         bool "n32"
 128         depends on BR2_ARCH_IS_64
 129         select BR2_KERNEL_64_USERLAND_32
 130 config BR2_MIPS_NABI64
 131         bool "n64"
 132         depends on BR2_ARCH_IS_64
 133 endchoice
 134
 135 config BR2_MIPS_SOFT_FLOAT
 136         bool "Use soft-float"
 137         default y
 138         select BR2_SOFT_FLOAT
 139         help
 140           If your target CPU does not have a Floating Point Unit (FPU)
 141           or a kernel FPU emulator, but you still wish to support
 142           floating point functions, then everything will need to be
 143           compiled with soft floating point support (-msoft-float).
 144
 145 choice
 146         prompt "FP mode"
 147         default BR2_MIPS_FP32_MODE_XX
 148         depends on !BR2_ARCH_IS_64 && !BR2_MIPS_SOFT_FLOAT
 149         help
 150           MIPS32 supports different FP modes (32,xx,64). Information
 151           about FP modes can be found here:
 152           https://sourceware.org/binutils/docs/as/MIPS-Options.html
 153           https://dmz-portal.imgtec.com/wiki/MIPS_O32_ABI_-_FR0_and_FR1_Interlinking#5._Generating_modeless_code
 154
 155 config BR2_MIPS_FP32_MODE_32
 156         bool "32"
 157         depends on !BR2_MIPS_CPU_MIPS32R6
 158
 159 config BR2_MIPS_FP32_MODE_XX
 160         bool "xx"
 161         select BR2_ARCH_NEEDS_GCC_AT_LEAST_5
 162
 163 config BR2_MIPS_FP32_MODE_64
 164         bool "64"
 165         depends on !BR2_MIPS_CPU_MIPS32
 166 endchoice
 167
 168 config BR2_GCC_TARGET_FP32_MODE
 169         default "32"    if BR2_MIPS_FP32_MODE_32
 170         default "xx"    if BR2_MIPS_FP32_MODE_XX
 171         default "64"    if BR2_MIPS_FP32_MODE_64
 172
 173 config BR2_MIPS_NAN_LEGACY
 174         bool
 175
 176 config BR2_MIPS_NAN_2008
 177         bool
 178         select BR2_ARCH_NEEDS_GCC_AT_LEAST_4_9
 179
 180 choice
 181         prompt "Target NaN"
 182         default BR2_MIPS_ENABLE_NAN_2008
 183         depends on BR2_mips_32r5 || BR2_mips_64r5
 184         help
 185           MIPS supports two different NaN encodings, legacy and 2008.
 186           Information about MIPS NaN encodings can be found here:
 187           https://sourceware.org/binutils/docs/as/MIPS-NaN-Encodings.html
 188
 189 config BR2_MIPS_ENABLE_NAN_LEGACY
 190         bool "legacy"
 191         select BR2_MIPS_NAN_LEGACY
 192
 193 config BR2_MIPS_ENABLE_NAN_2008
 194         bool "2008"
 195         depends on !BR2_MIPS_SOFT_FLOAT
 196         select BR2_MIPS_NAN_2008
 197 endchoice
 198
 199 config BR2_GCC_TARGET_NAN
 200         default "legacy"        if BR2_MIPS_NAN_LEGACY
 201         default "2008"          if BR2_MIPS_NAN_2008
 202
 203 config BR2_ARCH
 204         default "mips"          if BR2_mips
 205         default "mipsel"        if BR2_mipsel
 206         default "mips64"        if BR2_mips64
 207         default "mips64el"      if BR2_mips64el
 208
 209 config BR2_ENDIAN
 210         default "LITTLE"        if BR2_mipsel || BR2_mips64el
 211         default "BIG"           if BR2_mips || BR2_mips64
 212
 213 config BR2_GCC_TARGET_ARCH
 214         default "mips32"        if BR2_mips_32
 215         default "mips32r2"      if BR2_mips_32r2
 216         default "mips32r5"      if BR2_mips_32r5
 217         default "mips32r6"      if BR2_mips_32r6
 218         default "interaptiv"    if BR2_mips_interaptiv
 219         default "m5101"         if BR2_mips_m5150
 220         default "m6201"         if BR2_mips_m6250
 221         default "p5600"         if BR2_mips_p5600
 222         default "mips32r2"      if BR2_mips_xburst
 223         default "mips64"        if BR2_mips_64
 224         default "mips64r2"      if BR2_mips_64r2
 225         default "mips64r5"      if BR2_mips_64r5
 226         default "mips64r6"      if BR2_mips_64r6
 227         default "i6400"         if BR2_mips_i6400
 228         default "p6600"         if BR2_mips_p6600
 229
 230 config BR2_MIPS_OABI32
 231         bool
 232         default y               if BR2_mips || BR2_mipsel
 233
 234 config BR2_GCC_TARGET_ABI
 235         default "32"            if BR2_MIPS_OABI32
 236         default "n32"           if BR2_MIPS_NABI32
 237         default "64"            if BR2_MIPS_NABI64
 238
 239 config BR2_READELF_ARCH_NAME
 240         default "MIPS R3000"