contrib/gmp/config.guess

   1 #! /bin/sh
   2 #
   3 # GMP config.guess wrapper.
   4
   5
   6 # Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008 Free Software
   7 # Foundation, Inc.
   8 #
   9 # This file is part of the GNU MP Library.
  10 #
  11 # The GNU MP Library is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU Lesser General Public License as published
  13 # by the Free Software Foundation; either version 3 of the License, or (at
  14 # your option) any later version.
  15 #
  16 # The GNU MP Library is distributed in the hope that it will be useful, but
  17 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  18 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  19 # License for more details.
  20 #
  21 # You should have received a copy of the GNU Lesser General Public License
  22 # along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.
  23
  24
  25 # Usage: config.guess
  26 #
  27 # Print the host system CPU-VENDOR-OS.
  28 #
  29 # configfsf.guess is run and its guess then sharpened up to take advantage
  30 # of the finer grained CPU types that GMP knows.
  31
  32
  33 # Expect to find configfsf.guess in the same directory as this config.guess
  34 configfsf_guess="`echo \"$0\" | sed 's/config.guess$/configfsf.guess/'`"
  35 if test "$configfsf_guess" = "$0"; then
  36   echo "Cannot derive configfsf.guess from $0" 1>&2
  37   exit 1
  38 fi
  39 if test -f "$configfsf_guess"; then
  40   :
  41 else
  42   echo "$configfsf_guess not found" 1>&2
  43   exit 1
  44 fi
  45
  46 # Setup a $SHELL with which to run configfsf.guess, using the same
  47 # $CONFIG_SHELL or /bin/sh as autoconf does when running config.guess
  48 SHELL=${CONFIG_SHELL-/bin/sh}
  49
  50 # Identify ourselves on --version, --help or errors
  51 if test $# != 0; then
  52   echo "(GNU MP wrapped config.guess)"
  53   $SHELL $configfsf_guess "$@"
  54   exit 1
  55 fi
  56
  57 guess_full=`$SHELL $configfsf_guess`
  58 if test $? != 0; then
  59   exit 1
  60 fi
  61
  62 guess_cpu=`echo "$guess_full" | sed 's/-.*$//'`
  63 guess_rest=`echo "$guess_full" | sed 's/^[^-]*//'`
  64 exact_cpu=
  65
  66
  67 # -------------------------------------------------------------------------
  68 # The following should look at the current guess and probe the system to
  69 # establish a better guess in exact_cpu.  Leave exact_cpu empty if probes
  70 # can't be done, or don't work.
  71 #
  72 # When a number of probes are done, test -z "$exact_cpu" can be used instead
  73 # of putting each probe under an "else" of the preceeding.  That can stop
  74 # the code getting horribly nested and marching off the right side of the
  75 # screen.
  76
  77 # Note that when a compile-and-link is done in one step we need to remove .o
  78 # files, since lame C compilers generate these even when not asked.
  79 #
  80
  81 dummy=dummy-$$
  82 trap 'rm -f $dummy.c $dummy.o $dummy.core $dummy ${dummy}1.s ${dummy}2.c ; exit 1' 1 2 15
  83
  84 # Use $HOST_CC if defined. $CC may point to a cross-compiler
  85 if test x"$CC_FOR_BUILD" = x; then
  86   if test x"$HOST_CC" != x; then
  87     CC_FOR_BUILD="$HOST_CC"
  88   else
  89     if test x"$CC" != x; then
  90       CC_FOR_BUILD="$CC"
  91     else
  92       echo 'dummy(){}' >$dummy.c
  93       for c in cc gcc c89 c99; do
  94           ($c $dummy.c -c) >/dev/null 2>&1
  95           if test $? = 0; then
  96               CC_FOR_BUILD="$c"; break
  97           fi
  98       done
  99       rm -f $dummy.c $dummy.o
 100       if test x"$CC_FOR_BUILD" = x; then
 101         CC_FOR_BUILD=no_compiler_found
 102       fi
 103     fi
 104   fi
 105 fi
 106
 107
 108 case "$guess_full" in
 109
 110 alpha-*-*)
 111   # configfsf.guess detects exact alpha cpu types for OSF and GNU/Linux, but
 112   # not for *BSD and other systems.  We try to get an exact type for any
 113   # plain "alpha" it leaves.
 114   #
 115   # configfsf.guess used to have a block of code not unlike this, but these
 116   # days does its thing with Linux kernel /proc/cpuinfo or OSF psrinfo.
 117   #
 118   cat <<EOF >$dummy.s
 119         .data
 120 Lformat:
 121         .byte 37,100,45,37,120,10,0     # "%d-%x\n"
 122         .text
 123         .globl main
 124         .align 4
 125         .ent main
 126 main:
 127         .frame \$30,16,\$26,0
 128         ldgp \$29,0(\$27)
 129         .prologue 1
 130         .long 0x47e03d91 # implver \$17
 131         lda \$2,-1
 132         .long 0x47e20c21 # amask \$2,\$1
 133         lda \$16,Lformat
 134         not \$1,\$18
 135         jsr \$26,printf
 136         ldgp \$29,0(\$26)
 137         mov 0,\$16
 138         jsr \$26,exit
 139         .end main
 140 EOF
 141   $CC_FOR_BUILD $dummy.s -o $dummy 2>/dev/null
 142   if test "$?" = 0 ; then
 143     case `./$dummy` in
 144     0-0)        exact_cpu=alpha      ;;
 145     1-0)        exact_cpu=alphaev5   ;;
 146     1-1)        exact_cpu=alphaev56  ;;
 147     1-101)      exact_cpu=alphapca56 ;;
 148     2-303)      exact_cpu=alphaev6   ;;
 149     2-307)      exact_cpu=alphaev67  ;;
 150     2-1307)     exact_cpu=alphaev68  ;;
 151     esac
 152   fi
 153   rm -f $dummy.s $dummy.o $dummy
 154   ;;
 155
 156 ia64*-*-*)
 157   # CPUID[3] bits 24 to 31 is the processor family.  itanium2 is documented
 158   # as 0x1f, plain itanium has been seen returning 0x07 on two systems, but
 159   # haven't found any documentation on it as such.
 160   #
 161   # Defining both getcpuid and _getcpuid lets us ignore whether the system
 162   # expects underscores or not.
 163   #
 164   # "unsigned long long" is always 64 bits, in fact on hpux in ilp32 mode
 165   # (which is the default there), it's the only 64-bit type.
 166   #
 167   cat >${dummy}a.s <<EOF
 168         .text
 169         .global _getcpuid
 170         .proc   _getcpuid
 171 _getcpuid:
 172         mov     r8 = CPUID[r32] ;;
 173         br.ret.sptk.many rp ;;
 174         .endp   _getcpuid
 175         .global getcpuid
 176         .proc   getcpuid
 177 getcpuid:
 178         mov     r8 = CPUID[r32] ;;
 179         br.ret.sptk.many rp ;;
 180         .endp   getcpuid
 181 EOF
 182   cat >${dummy}b.c <<EOF
 183 #include <stdio.h>
 184 unsigned long long getcpuid ();
 185 int
 186 main ()
 187 {
 188   if (getcpuid(0LL) == 0x49656E69756E6547LL && getcpuid(1LL) == 0x6C65746ELL)
 189     {
 190       /* "GenuineIntel" */
 191       switch ((getcpuid(3LL) >> 24) & 0xFF) {
 192       case 0x07: puts ("itanium");  break;
 193       case 0x1F: puts ("itanium2"); break; /* McKinley, Madison */
 194       case 0x20: puts ("itanium2"); break; /* Montecito */
 195       }
 196     }
 197   return 0;
 198 }
 199 EOF
 200   if $CC_FOR_BUILD ${dummy}a.s ${dummy}b.c -o $dummy >/dev/null 2>&1; then
 201     exact_cpu=`./$dummy`
 202   fi
 203   rm -f ${dummy}a.s ${dummy}a.o ${dummy}b.c ${dummy}b.o $dummy $dummy.core core
 204   ;;
 205
 206 mips-*-irix[6789]*)
 207   # IRIX 6 and up always has a 64-bit mips cpu
 208   exact_cpu=mips64
 209   ;;
 210
 211 m68k-*-*)
 212   # NetBSD (and presumably other *BSD) "sysctl hw.model" gives for example
 213   #   hw.model = Apple Macintosh Quadra 610  (68040)
 214   exact_cpu=`(sysctl hw.model) 2>/dev/null | sed -n 's/^.*\(680[012346]0\).*$/m\1/p'`
 215   if test -z "$exact_cpu"; then
 216     # Linux kernel 2.2 gives for example "CPU: 68020" (tabs in between).
 217     exact_cpu=`sed -n 's/^CPU:.*\(680[012346]0\).*$/m\1/p' /proc/cpuinfo 2>/dev/null`
 218   fi
 219   if test -z "$exact_cpu"; then
 220     # Try: movel #0,%d0; rts
 221     # This is to check the compiler and our asm code works etc, before
 222     # assuming failures below indicate cpu characteristics.
 223     # .byte is used to avoid problems with assembler syntax variations.
 224     # For testing, provoke failures by adding "illegal" possibly as
 225     # ".byte 0x4A, 0xFC"
 226     cat >$dummy.s <<EOF
 227         .text
 228         .globl main
 229         .globl _main
 230 main:
 231 _main:
 232         .byte   0x70, 0x00
 233         .byte   0x4e, 0x75
 234 EOF
 235     if ($CC_FOR_BUILD $dummy.s -o $dummy && ./$dummy) >/dev/null 2>&1; then
 236
 237       # $SHELL -c is used to execute ./$dummy below, since (./$dummy)
 238       # 2>/dev/null still prints the SIGILL message on some shells.
 239       #
 240         # Try: movel #0,%d0
 241         #      rtd #0
 242         cat >$dummy.s <<EOF
 243         .text
 244         .globl main
 245         .globl _main
 246 main:
 247 _main:
 248         .byte   0x70, 0x00
 249         .byte   0x4e, 0x74, 0x00, 0x00
 250 EOF
 251         if $CC_FOR_BUILD $dummy.s -o $dummy >/dev/null 2>&1; then
 252           $SHELL -c ./$dummy >/dev/null 2>&1
 253           if test $? != 0; then
 254             exact_cpu=m68000    # because rtd didn't work
 255           fi
 256         fi
 257       #
 258
 259       if test -z "$exact_cpu"; then
 260         # Try: trapf
 261         #      movel #0,%d0
 262         #      rts
 263         # Another possibility for identifying 68000 and 68010 is the
 264         # different value stored by "movem a0,(a0)+"
 265         cat >$dummy.s <<EOF
 266         .text
 267         .globl main
 268         .globl _main
 269 main:
 270 _main:
 271         .byte   0x51, 0xFC
 272         .byte   0x70, 0x00
 273         .byte   0x4e, 0x75
 274 EOF
 275         if $CC_FOR_BUILD $dummy.s -o $dummy >/dev/null 2>&1; then
 276           $SHELL -c ./$dummy >/dev/null 2>&1
 277           if test $? != 0; then
 278             exact_cpu=m68010    # because trapf didn't work
 279           fi
 280         fi
 281       fi
 282
 283       if test -z "$exact_cpu"; then
 284         # Try: bfffo %d1{0:31},%d0
 285         #      movel #0,%d0
 286         #      rts
 287         cat >$dummy.s <<EOF
 288         .text
 289         .globl main
 290         .globl _main
 291 main:
 292 _main:
 293         .byte   0xED, 0xC1, 0x00, 0x1F
 294         .byte   0x70, 0x00
 295         .byte   0x4e, 0x75
 296 EOF
 297         if $CC_FOR_BUILD $dummy.s -o $dummy >/dev/null 2>&1; then
 298           $SHELL -c ./$dummy >/dev/null 2>&1
 299           if test $? != 0; then
 300             exact_cpu=m68360  # cpu32, because bfffo didn't work
 301           fi
 302         fi
 303       fi
 304
 305       if test -z "$exact_cpu"; then
 306         # FIXME: Now we know 68020 or up, but how to detect 030, 040 and 060?
 307         exact_cpu=m68020
 308       fi
 309     fi
 310     rm -f $dummy.s $dummy.o $dummy $dummy.core core
 311   fi
 312   if test -z "$exact_cpu"; then
 313     case "$guess_full" in
 314       *-*-next* | *-*-openstep*)  # NeXTs are 68020 or better
 315         exact_cpu=m68020 ;;
 316     esac
 317   fi
 318   ;;
 319
 320
 321 rs6000-*-* | powerpc*-*-*)
 322   # Enhancement: On MacOS the "machine" command prints for instance
 323   # "ppc750".  Interestingly on powerpc970-apple-darwin6.8.5 it prints
 324   # "ppc970" where there's no actual #define for 970 from NXGetLocalArchInfo
 325   # (as noted below).  But the man page says the command is still "under
 326   # development", so it doesn't seem wise to use it just yet, not while
 327   # there's an alternative.
 328   #
 329   # Try to read the PVR.  mfpvr is a protected instruction, NetBSD, MacOS
 330   # and AIX don't allow it in user mode, but the Linux kernel does.
 331   #
 332   # Using explicit bytes for mfpvr avoids worrying about assembler syntax
 333   # and underscores.  "char"s are used instead of "int"s to avoid worrying
 334   # whether sizeof(int)==4 or if it's the right endianness.
 335   #
 336   # Note this is no good on AIX, since a C function there is the address of
 337   # a function descriptor, not actual code.  But this doesn't matter since
 338   # AIX doesn't allow mfpvr anyway.
 339   #
 340   cat >$dummy.c <<\EOF
 341 #include <stdio.h>
 342 struct {
 343   int   n;  /* force 4-byte alignment */
 344   char  a[8];
 345 } getpvr = {
 346   0,
 347   {
 348     0x7c, 0x7f, 0x42, 0xa6,  /* mfpvr r3 */
 349     0x4e, 0x80, 0x00, 0x20,  /* blr      */
 350   }
 351 };
 352 int
 353 main ()
 354 {
 355   unsigned  (*fun)();
 356   unsigned  pvr;
 357
 358   /* a separate "fun" variable is necessary for gcc 2.95.2 on MacOS,
 359      it gets a compiler error on a combined cast and call */
 360   fun = (unsigned (*)()) getpvr.a;
 361   pvr = (*fun) ();
 362
 363   switch (pvr >> 16) {
 364   case 0x0001: puts ("powerpc601");  break;
 365   case 0x0003: puts ("powerpc603");  break;
 366   case 0x0004: puts ("powerpc604");  break;
 367   case 0x0006: puts ("powerpc603e"); break;
 368   case 0x0007: puts ("powerpc603e"); break;  /* 603ev */
 369   case 0x0008: puts ("powerpc750");  break;
 370   case 0x0009: puts ("powerpc604e"); break;
 371   case 0x000a: puts ("powerpc604e"); break;  /* 604ev5 */
 372   case 0x000c: puts ("powerpc7400"); break;
 373   case 0x0041: puts ("powerpc630");  break;
 374   case 0x0050: puts ("powerpc860");  break;
 375   case 0x8000: puts ("powerpc7450"); break;
 376   case 0x8001: puts ("powerpc7455"); break;
 377   case 0x8002: puts ("powerpc7457"); break;
 378   case 0x8003: puts ("powerpc7447"); break; /* really 7447A */
 379   case 0x800c: puts ("powerpc7410"); break;
 380   }
 381   return 0;
 382 }
 383 EOF
 384   if ($CC_FOR_BUILD $dummy.c -o $dummy) >/dev/null 2>&1; then
 385     # This style construct is needed on AIX 4.3 to suppress the SIGILL error
 386     # from (*fun)().  Using $SHELL -c ./$dummy 2>/dev/null doesn't work.
 387     { x=`./$dummy`; } 2>/dev/null
 388     if test -n "$x"; then
 389       exact_cpu=$x
 390     fi
 391   fi
 392   rm -f $dummy.c $dummy.o $dummy $dummy.core
 393
 394   # Grep the linux kernel /proc/cpuinfo pseudo-file.
 395   # Anything unrecognised is ignored, since of course we mustn't spit out
 396   # a cpu type config.sub doesn't know.
 397   if test -z "$exact_cpu" && test -f /proc/cpuinfo; then
 398     x=`grep "^cpu[      ]" /proc/cpuinfo | head -n 1`
 399     x=`echo $x | sed -n 's/^cpu[        ]*:[    ]*\([A-Za-z0-9]*\).*/\1/p'`
 400     x=`echo $x | sed 's/PPC//'`
 401     case $x in
 402       601)     exact_cpu="power" ;;
 403       603ev)   exact_cpu="powerpc603e" ;;
 404       604ev5)  exact_cpu="powerpc604e" ;;
 405       603 | 603e | 604 | 604e | 750 | 821 | 860 | 970)
 406         exact_cpu="powerpc$x" ;;
 407       POWER[4-9])
 408         exact_cpu=`echo $x | sed "s;POWER;power;"` ;;
 409     esac
 410   fi
 411
 412   if test -z "$exact_cpu"; then
 413     # On AIX, try looking at _system_configuration.  This is present in
 414     # version 4 at least.
 415     cat >$dummy.c <<EOF
 416 #include <stdio.h>
 417 #include <sys/systemcfg.h>
 418 int
 419 main ()
 420 {
 421   switch (_system_configuration.implementation) {
 422   /* Old versions of AIX don't have all these constants,
 423      use ifdef for safety. */
 424 #ifdef POWER_RS2
 425   case POWER_RS2:    puts ("power2");     break;
 426 #endif
 427 #ifdef POWER_601
 428   case POWER_601:    puts ("power");      break;
 429 #endif
 430 #ifdef POWER_603
 431   case POWER_603:    puts ("powerpc603"); break;
 432 #endif
 433 #ifdef POWER_604
 434   case POWER_604:    puts ("powerpc604"); break;
 435 #endif
 436 #ifdef POWER_620
 437   case POWER_620:    puts ("powerpc620"); break;
 438 #endif
 439 #ifdef POWER_630
 440   case POWER_630:    puts ("powerpc630"); break;
 441 #endif
 442   /* Dunno what this is, leave it out for now.
 443   case POWER_A35:    puts ("powerpca35"); break;
 444   */
 445   /* This is waiting for a bit more info.
 446   case POWER_RS64II: puts ("powerpcrs64ii"); break;
 447   */
 448 #ifdef POWER_4
 449   case POWER_4:    puts ("power4"); break;
 450 #endif
 451 #ifdef POWER_5
 452   case POWER_5:    puts ("power5"); break;
 453 #endif
 454 #ifdef POWER_6
 455   case POWER_6:    puts ("power6"); break;
 456 #endif
 457   default:
 458     if (_system_configuration.architecture == POWER_RS)
 459       puts ("power");
 460     else if (_system_configuration.width == 64)
 461       puts ("powerpc64");
 462   }
 463   return 0;
 464 }
 465 EOF
 466     if ($CC_FOR_BUILD $dummy.c -o $dummy) >/dev/null 2>&1; then
 467       x=`./$dummy`
 468       if test -n "$x"; then
 469         exact_cpu=$x
 470       fi
 471     fi
 472     rm -f $dummy.c $dummy.o $dummy
 473   fi
 474
 475   if test -z "$exact_cpu"; then
 476     # On MacOS X (or any Mach-O presumably), NXGetLocalArchInfo cpusubtype
 477     # can tell us the exact cpu.
 478     cat >$dummy.c <<EOF
 479 #include <stdio.h>
 480 #include <mach-o/arch.h>
 481 int
 482 main (void)
 483 {
 484   const NXArchInfo *a = NXGetLocalArchInfo();
 485   if (a->cputype == CPU_TYPE_POWERPC)
 486     {
 487       switch (a->cpusubtype) {
 488       /* The following known to Darwin 1.3. */
 489       case CPU_SUBTYPE_POWERPC_601:   puts ("powerpc601");  break;
 490       case CPU_SUBTYPE_POWERPC_602:   puts ("powerpc602");  break;
 491       case CPU_SUBTYPE_POWERPC_603:   puts ("powerpc603");  break;
 492       case CPU_SUBTYPE_POWERPC_603e:  puts ("powerpc603e"); break;
 493       case CPU_SUBTYPE_POWERPC_603ev: puts ("powerpc603e"); break;
 494       case CPU_SUBTYPE_POWERPC_604:   puts ("powerpc604");  break;
 495       case CPU_SUBTYPE_POWERPC_604e:  puts ("powerpc604e"); break;
 496       case CPU_SUBTYPE_POWERPC_620:   puts ("powerpc620");  break;
 497       case CPU_SUBTYPE_POWERPC_750:   puts ("powerpc750");  break;
 498       case CPU_SUBTYPE_POWERPC_7400:  puts ("powerpc7400"); break;
 499       case CPU_SUBTYPE_POWERPC_7450:  puts ("powerpc7450"); break;
 500       /* Darwin 6.8.5 doesn't define the following */
 501       case 0x8001:                    puts ("powerpc7455"); break;
 502       case 0x8002:                    puts ("powerpc7457"); break;
 503       case 0x8003:                    puts ("powerpc7447"); break;
 504       case 100:                       puts ("powerpc970");  break;
 505       }
 506     }
 507   return 0;
 508 }
 509 EOF
 510     if ($CC_FOR_BUILD $dummy.c -o $dummy) >/dev/null 2>&1; then
 511       x=`./$dummy`
 512       if test -n "$x"; then
 513         exact_cpu=$x
 514       fi
 515     fi
 516     rm -f $dummy.c $dummy.o $dummy
 517   fi
 518   ;;
 519
 520 sparc-*-* | sparc64-*-*)
 521   # If we can recognise an actual v7 then $exact_cpu is set to "sparc" so as
 522   # to short-circuit subsequent tests.
 523
 524   # Grep the linux kernel /proc/cpuinfo pseudo-file.
 525   # A typical line is "cpu\t\t: TI UltraSparc II  (BlackBird)"
 526   # See arch/sparc/kernel/cpu.c and arch/sparc64/kernel/cpu.c.
 527   #
 528   if test -f /proc/cpuinfo; then
 529     if grep 'cpu.*Cypress' /proc/cpuinfo >/dev/null; then
 530       exact_cpu="sparc"   # ie. v7
 531     elif grep 'cpu.*Power-UP' /proc/cpuinfo >/dev/null; then
 532       exact_cpu="sparc"   # ie. v7
 533     elif grep 'cpu.*HyperSparc' /proc/cpuinfo >/dev/null; then
 534       exact_cpu="sparcv8"
 535     elif grep 'cpu.*SuperSparc' /proc/cpuinfo >/dev/null; then
 536       exact_cpu="supersparc"
 537     elif grep 'cpu.*MicroSparc' /proc/cpuinfo >/dev/null; then
 538       exact_cpu="microsparc"
 539     elif grep 'cpu.*MB86904' /proc/cpuinfo >/dev/null; then
 540       # actually MicroSPARC-II
 541       exact_cpu=microsparc
 542     elif grep 'cpu.*UltraSparc T1' /proc/cpuinfo >/dev/null; then
 543       # this grep pattern has not been tested against any Linux
 544       exact_cpu="ultrasparct1"
 545     elif grep 'cpu.*UltraSparc III' /proc/cpuinfo >/dev/null; then
 546       exact_cpu="ultrasparc3"
 547     elif grep 'cpu.*UltraSparc IIi' /proc/cpuinfo >/dev/null; then
 548       exact_cpu="ultrasparc2i"
 549     elif grep 'cpu.*UltraSparc II' /proc/cpuinfo >/dev/null; then
 550       exact_cpu="ultrasparc2"
 551     elif grep 'cpu.*UltraSparc' /proc/cpuinfo >/dev/null; then
 552       exact_cpu="ultrasparc"
 553     fi
 554   fi
 555
 556   # Grep the output from sysinfo on SunOS.
 557   # sysinfo has been seen living in /bin or in /usr/kvm
 558   #     cpu0 is a "SuperSPARC Model 41 SPARCmodule" CPU
 559   #     cpu0 is a "75 MHz TI,TMS390Z55" CPU
 560   #
 561   if test -z "$exact_cpu"; then
 562     for i in sysinfo /usr/kvm/sysinfo; do
 563       if $SHELL -c $i 2>/dev/null >conftest.dat; then
 564         if grep 'cpu0 is a "SuperSPARC' conftest.dat >/dev/null; then
 565           exact_cpu=supersparc
 566           break
 567         elif grep 'cpu0 is a .*TMS390Z5.' conftest.dat >/dev/null; then
 568           # TMS390Z50 and TMS390Z55
 569           exact_cpu=supersparc
 570           break
 571         fi
 572       fi
 573     done
 574     rm -f conftest.dat
 575   fi
 576
 577   # Grep the output from prtconf on Solaris.
 578   # Use an explicit /usr/sbin, since that directory might not be in a normal
 579   # user's path.
 580   #
 581   #     SUNW,UltraSPARC (driver not attached)
 582   #     SUNW,UltraSPARC-II (driver not attached)
 583   #     SUNW,UltraSPARC-IIi (driver not attached)
 584   #     SUNW,UltraSPARC-III+ (driver not attached)
 585   #     Ross,RT625 (driver not attached)
 586   #     TI,TMS390Z50 (driver not attached)
 587   #
 588   # /usr/sbin/sysdef prints similar information, but includes all loadable
 589   # cpu modules, not just the real cpu.
 590   #
 591   # We first try a plain prtconf, since that is known to work on older systems.
 592   # But for newer T1 systems, that doesn't produce any useful output, we need
 593   # "prtconf -vp" there.
 594   #
 595   for prtconfopt in "" "-vp"; do
 596     if test -z "$exact_cpu"; then
 597       if $SHELL -c "/usr/sbin/prtconf $prtconfopt" 2>/dev/null >conftest.dat; then
 598         if grep 'SUNW,UltraSPARC-T1' conftest.dat >/dev/null; then
 599           exact_cpu=ultrasparct1
 600         elif grep 'SUNW,UltraSPARC-III' conftest.dat >/dev/null; then
 601           exact_cpu=ultrasparc3
 602         elif grep 'SUNW,UltraSPARC-IIi' conftest.dat >/dev/null; then
 603           exact_cpu=ultrasparc2i
 604         elif grep 'SUNW,UltraSPARC-II' conftest.dat >/dev/null; then
 605           exact_cpu=ultrasparc2
 606         elif grep 'SUNW,UltraSPARC' conftest.dat >/dev/null; then
 607           exact_cpu=ultrasparc
 608         elif grep 'Ross,RT62.' conftest.dat >/dev/null; then
 609           # RT620, RT625, RT626 hypersparcs (v8).
 610           exact_cpu=sparcv8
 611         elif grep 'TI,TMS390Z5.' conftest.dat >/dev/null; then
 612           # TMS390Z50 and TMS390Z55
 613           exact_cpu=supersparc
 614         elif grep 'TI,TMS390S10' conftest.dat >/dev/null; then
 615           exact_cpu=microsparc
 616         elif grep 'FMI,MB86904' conftest.dat >/dev/null; then
 617           # actually MicroSPARC-II
 618           exact_cpu=microsparc
 619         fi
 620       fi
 621       rm -f conftest.dat
 622     fi
 623   done
 624
 625   # Grep the output from sysctl hw.model on sparc or sparc64 *BSD.
 626   # Use an explicit /sbin, since that directory might not be in a normal
 627   # user's path.  Example outputs,
 628   #
 629   #     hw.model: Sun Microsystems UltraSparc-IIi
 630   #
 631   if test -z "$exact_cpu"; then
 632     if $SHELL -c "/sbin/sysctl hw.model" 2>/dev/null >conftest.dat; then
 633       if grep 'UltraSparc-T1' conftest.dat >/dev/null; then
 634         # this grep pattern has not been tested against any BSD
 635         exact_cpu=ultrasparct1
 636       elif grep 'UltraSparc-III' conftest.dat >/dev/null; then
 637         exact_cpu=ultrasparc3
 638       elif grep 'UltraSparc-IIi' conftest.dat >/dev/null; then
 639         exact_cpu=ultrasparc2i
 640       elif grep 'UltraSparc-II' conftest.dat >/dev/null; then
 641         exact_cpu=ultrasparc2
 642       elif grep 'UltraSparc' conftest.dat >/dev/null; then
 643         exact_cpu=ultrasparc
 644       elif grep 'TMS390Z5.' conftest.dat >/dev/null; then
 645         # TMS390Z50 and TMS390Z55
 646         exact_cpu=supersparc
 647       elif grep 'TMS390S10' conftest.dat >/dev/null; then
 648         exact_cpu=microsparc
 649       elif grep 'MB86904' conftest.dat >/dev/null; then
 650         # actually MicroSPARC-II
 651         exact_cpu=microsparc
 652       elif grep 'MB86907' conftest.dat >/dev/null; then
 653         exact_cpu=turbosparc
 654       fi
 655     fi
 656     rm -f conftest.dat
 657   fi
 658
 659   # sun4m and sun4d are v8s of some sort, sun4u is a v9 of some sort
 660   #
 661   if test -z "$exact_cpu"; then
 662     case `uname -m` in
 663       sun4[md]) exact_cpu=sparcv8 ;;
 664       sun4u)    exact_cpu=sparcv9 ;;
 665     esac
 666   fi
 667   ;;
 668
 669 i?86-*-* | amd64-*-* | x86_64-*-*)
 670   cat <<EOF >${dummy}0.s
 671         .globl cpuid
 672         .globl _cpuid
 673 cpuid:
 674 _cpuid:
 675         pushl %esi
 676         pushl %ebx
 677         movl 16(%esp),%eax
 678         .byte 0x0f
 679         .byte 0xa2
 680         movl 12(%esp),%esi
 681         movl %ebx,(%esi)
 682         movl %edx,4(%esi)
 683         movl %ecx,8(%esi)
 684         popl %ebx
 685         popl %esi
 686         ret
 687 EOF
 688   cat <<EOF >${dummy}1.s
 689         .globl cpuid
 690         .globl _cpuid
 691 cpuid:
 692 _cpuid:
 693         push %rbx
 694         mov %esi,%eax
 695         .byte 0x0f
 696         .byte 0xa2
 697         mov %ebx,(%rdi)
 698         mov %edx,4(%rdi)
 699         mov %ecx,8(%rdi)
 700         pop %rbx
 701         ret
 702 EOF
 703   cat <<EOF >${dummy}2.c
 704 main ()
 705 {
 706   char vendor_string[13];
 707   char dummy_string[12];
 708   long fms;
 709   int family, model, stepping;
 710   char *modelstr;
 711
 712   cpuid (vendor_string, 0);
 713   vendor_string[12] = 0;
 714
 715   fms = cpuid (dummy_string, 1);
 716
 717   family = ((fms >> 8) & 0xf) + ((fms >> 20) & 0xff);
 718   model = ((fms >> 4) & 0xf) + ((fms >> 12) & 0xf0);
 719   stepping = fms & 0xf;
 720
 721   modelstr = "$guess_cpu";
 722   if (strcmp (vendor_string, "GenuineIntel") == 0)
 723     {
 724       switch (family)
 725         {
 726         case 5:
 727           if (model <= 2)       modelstr = "pentium";
 728           else if (model >= 4)  modelstr = "pentiummmx";
 729           break;
 730         case 6:
 731           if (model <= 1)       modelstr = "pentiumpro";
 732           else if (model <= 6)  modelstr = "pentium2";
 733           else if (model <= 8)  modelstr = "pentium3";
 734           else if (model <= 9)  modelstr = "pentiumm";
 735           else if (model <= 12) modelstr = "pentium3";
 736           else if (model <= 14) modelstr = "pentiumm";
 737           else if (model <= 27) modelstr = "core2";
 738           else                  modelstr = "atom";
 739           break;
 740         case 15:
 741           modelstr = "pentium4";
 742           break;
 743         }
 744     }
 745   else if (strcmp (vendor_string, "AuthenticAMD") == 0)
 746     {
 747       switch (family)
 748         {
 749         case 5:
 750           if (model <= 3)       modelstr = "k5";
 751           else if (model <= 7)  modelstr = "k6";
 752           else if (model == 8)  modelstr = "k62";
 753           else if (model == 9)  modelstr = "k63";
 754           else if (model == 10) modelstr = "geode";
 755           else if (model == 13) modelstr = "k63";
 756           break;
 757         case 6:
 758           modelstr = "athlon";
 759           break;
 760         case 15:
 761         case 16:
 762           modelstr = "athlon64";
 763           break;
 764         }
 765     }
 766   else if (strcmp (vendor_string, "CyrixInstead") == 0)
 767     {
 768       /* Should recognize Cyrix' processors too.  */
 769     }
 770   else if (strcmp (vendor_string, "CentaurHauls") == 0)
 771     {
 772       switch (family)
 773         {
 774         case 6:
 775           if (model < 9)        modelstr = "viac3";
 776           else                  modelstr = "viac32";
 777           break;
 778         }
 779     }
 780
 781   printf ("%s\n", modelstr);
 782   return 0;
 783 }
 784 EOF
 785
 786   if ($CC_FOR_BUILD ${dummy}1.s ${dummy}2.c -o $dummy) >/dev/null 2>&1; then
 787     # On 80386 and early 80486 cpuid is not available and will result in a
 788     # SIGILL message, hence 2>/dev/null.
 789     #
 790     # On i386-unknown-freebsd4.9, "/bin/sh -c ./dummy" seems to send an
 791     # "Illegal instruction (core dumped)" message to stdout, so we test $?
 792     # to check if the program run was successful.
 793     #
 794     x=`$SHELL -c ./$dummy 2>/dev/null`
 795     if test $? = 0 && test -n "$x"; then
 796       exact_cpu=$x
 797     fi
 798   fi
 799
 800   if test -z "$exact_cpu"; then
 801   if ($CC_FOR_BUILD ${dummy}0.s ${dummy}2.c -o $dummy) >/dev/null 2>&1; then
 802     # On 80386 and early 80486 cpuid is not available and will result in a
 803     # SIGILL message, hence 2>/dev/null.
 804     #
 805     # On i386-unknown-freebsd4.9, "/bin/sh -c ./dummy" seems to send an
 806     # "Illegal instruction (core dumped)" message to stdout, so we test $?
 807     # to check if the program run was successful.
 808     #
 809     x=`$SHELL -c ./$dummy 2>/dev/null`
 810     if test $? = 0 && test -n "$x"; then
 811       exact_cpu=$x
 812     fi
 813   fi
 814   fi
 815
 816   # We need to remove some .o files here since lame C compilers
 817   # generate these even when not asked.
 818   rm -f ${dummy}0.s ${dummy}0.o ${dummy}1.s ${dummy}1.o ${dummy}2.c ${dummy}2.o $dummy
 819   ;;
 820
 821 esac
 822
 823
 824
 825 # -------------------------------------------------------------------------
 826 # Use an exact cpu, if possible
 827
 828 if test -n "$exact_cpu"; then
 829   echo "$exact_cpu$guess_rest"
 830 else
 831   echo "$guess_full"
 832 fi
 833 exit 0
 834
 835
 836
 837 # Local variables:
 838 # fill-column: 76
 839 # End: