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_CPUARCH} == "i386"
  10 MACHINE_CPU = i486
  11 . elif ${MACHINE_CPUARCH} == "amd64"
  12 MACHINE_CPU = amd64 sse2 sse mmx
  13 . elif ${MACHINE_CPUARCH} == "ia64"
  14 MACHINE_CPU = itanium
  15 . elif ${MACHINE_CPUARCH} == "powerpc"
  16 MACHINE_CPU = aim
  17 . elif ${MACHINE_CPUARCH} == "sparc64"
  18 MACHINE_CPU = ultrasparc
  19 . elif ${MACHINE_CPUARCH} == "arm"
  20 MACHINE_CPU = arm
  21 . elif ${MACHINE_CPUARCH} == "mips"
  22 MACHINE_CPU = mips
  23 . endif
  24 .else
  25
  26 # Handle aliases (not documented in make.conf to avoid user confusion
  27 # between e.g. i586 and pentium)
  28
  29 . if ${MACHINE_CPUARCH} == "i386"
  30 .  if ${CPUTYPE} == "nocona"
  31 CPUTYPE = prescott
  32 .  elif ${CPUTYPE} == "core"
  33 CPUTYPE = prescott
  34 .  elif ${CPUTYPE} == "p4"
  35 CPUTYPE = pentium4
  36 .  elif ${CPUTYPE} == "p4m"
  37 CPUTYPE = pentium4m
  38 .  elif ${CPUTYPE} == "p3"
  39 CPUTYPE = pentium3
  40 .  elif ${CPUTYPE} == "p3m"
  41 CPUTYPE = pentium3m
  42 .  elif ${CPUTYPE} == "p-m"
  43 CPUTYPE = pentium-m
  44 .  elif ${CPUTYPE} == "p2"
  45 CPUTYPE = pentium2
  46 .  elif ${CPUTYPE} == "i686"
  47 CPUTYPE = pentiumpro
  48 .  elif ${CPUTYPE} == "i586/mmx"
  49 CPUTYPE = pentium-mmx
  50 .  elif ${CPUTYPE} == "i586"
  51 CPUTYPE = pentium
  52 .  elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \
  53      ${CPUTYPE} == "k8-sse3"
  54 CPUTYPE = prescott
  55 .  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
  56      ${CPUTYPE} == "k8"
  57 CPUTYPE = athlon-mp
  58 .  elif ${CPUTYPE} == "k7"
  59 CPUTYPE = athlon
  60 .  endif
  61 . elif ${MACHINE_CPUARCH} == "amd64"
  62 .  if ${CPUTYPE} == "prescott"
  63 CPUTYPE = nocona
  64 .  endif
  65 . elif ${MACHINE_ARCH} == "sparc64"
  66 .  if ${CPUTYPE} == "us"
  67 CPUTYPE = ultrasparc
  68 .  elif ${CPUTYPE} == "us3"
  69 CPUTYPE = ultrasparc3
  70 .  endif
  71 . endif
  72
  73 ###############################################################################
  74 # Logic to set up correct gcc optimization flag.  This must be included
  75 # after /etc/make.conf so it can react to the local value of CPUTYPE
  76 # defined therein.  Consult:
  77 #       http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
  78 #       http://gcc.gnu.org/onlinedocs/gcc/IA_002d64-Options.html
  79 #       http://gcc.gnu.org/onlinedocs/gcc/RS_002f6000-and-PowerPC-Options.html
  80 #       http://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html
  81 #       http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
  82 #       http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html
  83
  84 . if ${MACHINE_CPUARCH} == "i386"
  85 .  if ${CPUTYPE} == "crusoe"
  86 _CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
  87 .  elif ${CPUTYPE} == "k5"
  88 _CPUCFLAGS = -march=pentium
  89 .  elif ${CPUTYPE} == "core2"
  90 _CPUCFLAGS = -march=prescott
  91 .  else
  92 _CPUCFLAGS = -march=${CPUTYPE}
  93 .  endif # GCC on 'i386'
  94 . elif ${MACHINE_CPUARCH} == "amd64"
  95 _CPUCFLAGS = -march=${CPUTYPE}
  96 . elif ${MACHINE_CPUARCH} == "arm"
  97 .  if ${CPUTYPE} == "xscale"
  98 #XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
  99 #_CPUCFLAGS = -mcpu=xscale
 100 _CPUCFLAGS = -march=armv5te -D__XSCALE__
 101 .  else
 102 _CPUCFLAGS = -mcpu=${CPUTYPE}
 103 .  endif
 104 . elif ${MACHINE_ARCH} == "powerpc"
 105 .  if ${CPUTYPE} == "e500"
 106 _CPUCFLAGS = -Wa,-me500 -msoft-float
 107 .  else
 108 _CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64
 109 .  endif
 110 . elif ${MACHINE_ARCH} == "powerpc64"
 111 _CPUCFLAGS = -mcpu=${CPUTYPE}
 112 . elif ${MACHINE_CPUARCH} == "mips"
 113 .  if ${CPUTYPE} == "mips32"
 114 _CPUCFLAGS = -march=mips32
 115 .  elif ${CPUTYPE} == "mips32r2"
 116 _CPUCFLAGS = -march=mips32r2
 117 .  elif ${CPUTYPE} == "mips64"
 118 _CPUCFLAGS = -march=mips64
 119 .  elif ${CPUTYPE} == "mips64r2"
 120 _CPUCFLAGS = -march=mips64r2
 121 .  elif ${CPUTYPE} == "mips4kc"
 122 _CPUCFLAGS = -march=4kc
 123 .  elif ${CPUTYPE} == "mips24kc"
 124 _CPUCFLAGS = -march=24kc
 125 .  endif
 126 . elif ${MACHINE_ARCH} == "sparc64"
 127 .  if ${CPUTYPE} == "v9"
 128 _CPUCFLAGS = -mcpu=v9
 129 .  elif ${CPUTYPE} == "ultrasparc"
 130 _CPUCFLAGS = -mcpu=ultrasparc
 131 .  elif ${CPUTYPE} == "ultrasparc3"
 132 _CPUCFLAGS = -mcpu=ultrasparc3
 133 .  endif
 134 . endif
 135
 136 # Set up the list of CPU features based on the CPU type.  This is an
 137 # unordered list to make it easy for client makefiles to test for the
 138 # presence of a CPU feature.
 139
 140 . if ${MACHINE_CPUARCH} == "i386"
 141 .  if ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3"
 142 MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586 i486 i386
 143 .  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64"
 144 MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586 i486 i386
 145 .  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
 146     ${CPUTYPE} == "athlon-4"
 147 MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 i486 i386
 148 .  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
 149 MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
 150 .  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode"
 151 MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
 152 .  elif ${CPUTYPE} == "k6"
 153 MACHINE_CPU = mmx k6 k5 i586 i486 i386
 154 .  elif ${CPUTYPE} == "k5"
 155 MACHINE_CPU = k5 i586 i486 i386
 156 .  elif ${CPUTYPE} == "c3"
 157 MACHINE_CPU = 3dnow mmx i586 i486 i386
 158 .  elif ${CPUTYPE} == "c3-2"
 159 MACHINE_CPU = sse mmx i586 i486 i386
 160 .  elif ${CPUTYPE} == "c7"
 161 MACHINE_CPU = sse3 sse2 sse i686 mmx i586 i486 i386
 162 .  elif ${CPUTYPE} == "core2"
 163 MACHINE_CPU = ssse3 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_CPUARCH} == "amd64"
 184 .  if ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || ${CPUTYPE} == "k8-sse3"
 185 MACHINE_CPU = k8 3dnow sse3
 186 .  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || ${CPUTYPE} == "k8"
 187 MACHINE_CPU = k8 3dnow
 188 .  elif ${CPUTYPE} == "core2"
 189 MACHINE_CPU = ssse3 sse3
 190 .  elif ${CPUTYPE} == "nocona"
 191 MACHINE_CPU = sse3
 192 .  endif
 193 MACHINE_CPU += amd64 sse2 sse mmx
 194 . elif ${MACHINE_CPUARCH} == "ia64"
 195 .  if ${CPUTYPE} == "itanium"
 196 MACHINE_CPU = itanium
 197 .  endif
 198 . elif ${MACHINE_ARCH} == "powerpc"
 199 .  if ${CPUTYPE} == "e500"
 200 MACHINE_CPU = booke
 201 .  endif
 202 . elif ${MACHINE_ARCH} == "sparc64"
 203 .  if ${CPUTYPE} == "v9"
 204 MACHINE_CPU = v9
 205 .  elif ${CPUTYPE} == "ultrasparc"
 206 MACHINE_CPU = v9 ultrasparc
 207 .  elif ${CPUTYPE} == "ultrasparc3"
 208 MACHINE_CPU = v9 ultrasparc ultrasparc3
 209 .  endif
 210 . endif
 211 .endif
 212
 213 .if ${MACHINE_CPUARCH} == "mips"
 214 CFLAGS += -G0
 215 .endif
 216
 217 # NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
 218
 219 .if !defined(NO_CPU_CFLAGS)
 220 CFLAGS += ${_CPUCFLAGS}
 221 .endif