share/mk/bsd.cpu.mk

   1 # $FreeBSD$
   2
   3 # Set default CPU compile flags and baseline CPUTYPE for each arch.  The
   4 # compile flags must support the minimum CPU type for each architecture but
   5 # may tune support for more advanced processors.
   6
   7 .if !defined(CPUTYPE) || empty(CPUTYPE)
   8 _CPUCFLAGS =
   9 . if ${MACHINE_ARCH} == "i386"
  10 MACHINE_CPU = i486
  11 . elif ${MACHINE_ARCH} == "amd64"
  12 MACHINE_CPU = amd64 sse2 sse mmx
  13 . elif ${MACHINE_ARCH} == "ia64"
  14 MACHINE_CPU = itanium
  15 . elif ${MACHINE_ARCH} == "powerpc"
  16 MACHINE_CPU = aim
  17 . elif ${MACHINE_ARCH} == "sparc64"
  18 . elif ${MACHINE_ARCH} == "arm"
  19 MACHINE_CPU = arm
  20 . elif ${MACHINE_ARCH} == "mips"
  21 MACHINE_CPU = mips
  22 . endif
  23 .else
  24
  25 # Handle aliases (not documented in make.conf to avoid user confusion
  26 # between e.g. i586 and pentium)
  27
  28 . if ${MACHINE_ARCH} == "i386"
  29 .  if ${CPUTYPE} == "nocona"
  30 CPUTYPE = prescott
  31 .  elif ${CPUTYPE} == "core" || ${CPUTYPE} == "core2"
  32 CPUTYPE = prescott
  33 .  elif ${CPUTYPE} == "p4"
  34 CPUTYPE = pentium4
  35 .  elif ${CPUTYPE} == "p4m"
  36 CPUTYPE = pentium4m
  37 .  elif ${CPUTYPE} == "p3"
  38 CPUTYPE = pentium3
  39 .  elif ${CPUTYPE} == "p3m"
  40 CPUTYPE = pentium3m
  41 .  elif ${CPUTYPE} == "p-m"
  42 CPUTYPE = pentium-m
  43 .  elif ${CPUTYPE} == "p2"
  44 CPUTYPE = pentium2
  45 .  elif ${CPUTYPE} == "i686"
  46 CPUTYPE = pentiumpro
  47 .  elif ${CPUTYPE} == "i586/mmx"
  48 CPUTYPE = pentium-mmx
  49 .  elif ${CPUTYPE} == "i586"
  50 CPUTYPE = pentium
  51 .  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
  52      ${CPUTYPE} == "k8"
  53 CPUTYPE = athlon-mp
  54 .  elif ${CPUTYPE} == "k7"
  55 CPUTYPE = athlon
  56 .  endif
  57 . elif ${MACHINE_ARCH} == "amd64"
  58 .  if ${CPUTYPE} == "prescott" || ${CPUTYPE} == "core2"
  59 CPUTYPE = nocona
  60 .  endif
  61 . endif
  62
  63 ###############################################################################
  64 # Logic to set up correct gcc optimization flag.  This must be included
  65 # after /etc/make.conf so it can react to the local value of CPUTYPE
  66 # defined therein.  Consult:
  67 #       http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
  68 #       http://gcc.gnu.org/onlinedocs/gcc/IA_002d64-Options.html
  69 #       http://gcc.gnu.org/onlinedocs/gcc/RS_002f6000-and-PowerPC-Options.html
  70 #       http://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html
  71 #       http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
  72 #       http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html
  73
  74 . if ${MACHINE_ARCH} == "i386"
  75 .  if ${CPUTYPE} == "crusoe"
  76 _CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
  77 .  elif ${CPUTYPE} == "k5"
  78 _CPUCFLAGS = -march=pentium
  79 .  else
  80 _CPUCFLAGS = -march=${CPUTYPE}
  81 .  endif # GCC on 'i386'
  82 .  if ${CPUTYPE} == "crusoe"
  83 _ICC_CPUCFLAGS = -tpp6 -xiM
  84 .  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
  85     ${CPUTYPE} == "athlon-4"
  86 _ICC_CPUCFLAGS = -tpp6 -xiMK
  87 .  elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon"
  88 _ICC_CPUCFLAGS = -tpp6 -xiM
  89 .  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6"
  90 _ICC_CPUCFLAGS = -tpp6 -xi
  91 .  elif ${CPUTYPE} == "k5"
  92 _ICC_CPUCFLAGS = -tpp5
  93 .  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m"
  94 _ICC_CPUCFLAGS = -tpp7 -xiMKW
  95 .  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" || \
  96      ${CPUTYPE} == "pentium-m"
  97 _ICC_CPUCFLAGS = -tpp6 -xiMK
  98 .  elif ${CPUTYPE} == "pentium2" || ${CPUTYPE} == "pentiumpro"
  99 _ICC_CPUCFLAGS = -tpp6 -xiM
 100 .  elif ${CPUTYPE} == "pentium-mmx"
 101 _ICC_CPUCFLAGS = -tpp5 -xM
 102 .  elif ${CPUTYPE} == "pentium"
 103 _ICC_CPUCFLAGS = -tpp5
 104 .  else
 105 _ICC_CPUCFLAGS =
 106 .  endif # ICC on 'i386'
 107 . elif ${MACHINE_ARCH} == "amd64"
 108 _CPUCFLAGS = -march=${CPUTYPE}
 109 . elif ${MACHINE_ARCH} == "arm"
 110 .  if ${CPUTYPE} == "xscale"
 111 #XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
 112 #_CPUCFLAGS = -mcpu=xscale
 113 _CPUCFLAGS = -march=armv5te -D__XSCALE__
 114 .  else
 115 _CPUCFLAGS = -mcpu=${CPUTYPE}
 116 .  endif
 117 . elif ${MACHINE_ARCH} == "powerpc"
 118 .  if ${CPUTYPE} == "e500"
 119 MACHINE_CPU = booke
 120 _CPUCFLAGS = -Wa,-me500 -msoft-float
 121 .  else
 122 _CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64
 123 .  endif
 124 . elif ${MACHINE_ARCH} == "mips"
 125 .  if ${CPUTYPE} == "mips32"
 126 _CPUCFLAGS = -march=mips32
 127 .  elif ${CPUTYPE} == "mips32r2"
 128 _CPUCFLAGS = -march=mips32r2
 129 .  elif ${CPUTYPE} == "mips64"
 130 _CPUCFLAGS = -march=mips64
 131 .  elif ${CPUTYPE} == "mips64r2"
 132 _CPUCFLAGS = -march=mips64r2
 133 .  elif ${CPUTYPE} == "mips4kc"
 134 _CPUCFLAGS = -march=4kc
 135 .  elif ${CPUTYPE} == "mips24kc"
 136 _CPUCFLAGS = -march=24kc
 137 .  endif
 138 . endif
 139
 140 # Set up the list of CPU features based on the CPU type.  This is an
 141 # unordered list to make it easy for client makefiles to test for the
 142 # presence of a CPU feature.
 143
 144 . if ${MACHINE_ARCH} == "i386"
 145 .  if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64"
 146 MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586 i486 i386
 147 .  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
 148     ${CPUTYPE} == "athlon-4"
 149 MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 i486 i386
 150 .  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
 151 MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
 152 .  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2"
 153 MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
 154 .  elif ${CPUTYPE} == "k6"
 155 MACHINE_CPU = mmx k6 k5 i586 i486 i386
 156 .  elif ${CPUTYPE} == "k5"
 157 MACHINE_CPU = k5 i586 i486 i386
 158 .  elif ${CPUTYPE} == "c3"
 159 MACHINE_CPU = 3dnow mmx i586 i486 i386
 160 .  elif ${CPUTYPE} == "c3-2"
 161 MACHINE_CPU = sse mmx i586 i486 i386
 162 .  elif ${CPUTYPE} == "c7"
 163 MACHINE_CPU = sse3 sse2 sse i686 mmx i586 i486 i386
 164 .  elif ${CPUTYPE} == "prescott"
 165 MACHINE_CPU = sse3 sse2 sse i686 mmx i586 i486 i386
 166 .  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || ${CPUTYPE} == "pentium-m"
 167 MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386
 168 .  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
 169 MACHINE_CPU = sse i686 mmx i586 i486 i386
 170 .  elif ${CPUTYPE} == "pentium2"
 171 MACHINE_CPU = i686 mmx i586 i486 i386
 172 .  elif ${CPUTYPE} == "pentiumpro"
 173 MACHINE_CPU = i686 i586 i486 i386
 174 .  elif ${CPUTYPE} == "pentium-mmx"
 175 MACHINE_CPU = mmx i586 i486 i386
 176 .  elif ${CPUTYPE} == "pentium"
 177 MACHINE_CPU = i586 i486 i386
 178 .  elif ${CPUTYPE} == "i486"
 179 MACHINE_CPU = i486 i386
 180 .  elif ${CPUTYPE} == "i386"
 181 MACHINE_CPU = i386
 182 .  endif
 183 . elif ${MACHINE_ARCH} == "amd64"
 184 .  if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || ${CPUTYPE} == "k8"
 185 MACHINE_CPU = k8 3dnow
 186 .  elif ${CPUTYPE} == "nocona"
 187 MACHINE_CPU = sse3
 188 .  endif
 189 MACHINE_CPU += amd64 sse2 sse mmx
 190 . elif ${MACHINE_ARCH} == "ia64"
 191 .  if ${CPUTYPE} == "itanium"
 192 MACHINE_CPU = itanium
 193 .  endif
 194 . endif
 195 .endif
 196
 197 .if ${MACHINE_ARCH} == "arm" && defined(TARGET_BIG_ENDIAN)
 198 CFLAGS += -mbig-endian
 199 LDFLAGS += -mbig-endian
 200 LD += -EB
 201 .endif
 202
 203 .if ${MACHINE_ARCH} == "mips"
 204 . if defined(TARGET_BIG_ENDIAN)
 205 CFLAGS += -EB
 206 LDFLAGS += -Wl,-EB
 207 LD += -EB
 208 . else
 209 CFLAGS += -EL
 210 LDFLAGS += -Wl,-EL
 211 LD += -EL
 212 . endif
 213 CFLAGS += -msoft-float -G0 -mno-dsp -mabicalls
 214 .endif
 215
 216 # NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
 217
 218 .if !defined(NO_CPU_CFLAGS)
 219 . if ${CC} == "icc"
 220 CFLAGS += ${_ICC_CPUCFLAGS}
 221 . else
 222 CFLAGS += ${_CPUCFLAGS}
 223 . endif
 224 .endif