#! /bin/sh # # GMP config.guess wrapper. # Copyright 2000-2006, 2008, 2011-2016, 2018 Free Software Foundation, Inc. # # This file is part of the GNU MP Library. # # The GNU MP Library is free software; you can redistribute it and/or modify # it under the terms of either: # # * the GNU Lesser General Public License as published by the Free # Software Foundation; either version 3 of the License, or (at your # option) any later version. # # or # # * the GNU General Public License as published by the Free Software # Foundation; either version 2 of the License, or (at your option) any # later version. # # or both in parallel, as here. # # The GNU MP Library is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License # for more details. # # You should have received copies of the GNU General Public License and the # GNU Lesser General Public License along with the GNU MP Library. If not, # see https://www.gnu.org/licenses/. # Usage: config.guess # # Print the host system CPU-VENDOR-OS. # # configfsf.guess is run and its guess then sharpened up to take advantage # of the finer grained CPU types that GMP knows. # Expect to find configfsf.guess in the same directory as this config.guess configfsf_guess="`echo \"$0\" | sed 's/config.guess$/configfsf.guess/'`" if test "$configfsf_guess" = "$0"; then echo "Cannot derive configfsf.guess from $0" 1>&2 exit 1 fi if test -f "$configfsf_guess"; then : else echo "$configfsf_guess not found" 1>&2 exit 1 fi # Setup a $SHELL with which to run configfsf.guess, using the same # $CONFIG_SHELL or /bin/sh as autoconf does when running config.guess SHELL=${CONFIG_SHELL-/bin/sh} # Identify ourselves on --version, --help or errors if test $# != 0; then echo "(GNU MP wrapped config.guess)" $SHELL $configfsf_guess "$@" exit 1 fi guess_full=`$SHELL $configfsf_guess` if test $? != 0; then exit 1 fi guess_cpu=`echo "$guess_full" | sed 's/-.*$//'` guess_rest=`echo "$guess_full" | sed 's/^[^-]*//'` exact_cpu= # ------------------------------------------------------------------------- # The following should look at the current guess and probe the system to # establish a better guess in exact_cpu. Leave exact_cpu empty if probes # can't be done, or don't work. # # When a number of probes are done, test -z "$exact_cpu" can be used instead # of putting each probe under an "else" of the preceeding. That can stop # the code getting horribly nested and marching off the right side of the # screen. # Note that when a compile-and-link is done in one step we need to remove .o # files, since lame C compilers generate these even when not asked. # # CC_FOR_BUILD -- compiler used by this script. Note that the use of a # compiler to aid in system detection is discouraged as it requires # temporary files to be created and, as you can see below, it is a # headache to deal with in a portable fashion. # Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still # use `HOST_CC' if defined, but it is deprecated. # Portable tmp directory creation inspired by the Autoconf team. set_cc_for_build=' trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ; trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ; : ${TMPDIR=/tmp} ; { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } || { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } || { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } || { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ; dummy=$tmp/dummy ; tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy $dummy.core ${dummy}0.s" ; case $CC_FOR_BUILD,$HOST_CC,$CC in ,,) echo "int x;" > $dummy.c ; for c in cc gcc c89 c99 ; do if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then CC_FOR_BUILD="$c"; break ; fi ; done ; if test x"$CC_FOR_BUILD" = x ; then CC_FOR_BUILD=no_compiler_found ; fi ;; ,,*) CC_FOR_BUILD=$CC ;; ,*,*) CC_FOR_BUILD=$HOST_CC ;; esac ; set_cc_for_build= ;' case "$guess_full" in alpha-*-*) eval $set_cc_for_build # configfsf.guess detects exact alpha cpu types for OSF and GNU/Linux, but # not for *BSD and other systems. We try to get an exact type for any # plain "alpha" it leaves. # # configfsf.guess used to have a block of code not unlike this, but these # days does its thing with Linux kernel /proc/cpuinfo or OSF psrinfo. # cat <${dummy}0.s .data Lformat: .byte 37,100,45,37,120,10,0 # "%d-%x\n" .text .globl main .align 4 .ent main main: .frame \$30,16,\$26,0 ldgp \$29,0(\$27) .prologue 1 .long 0x47e03d91 # implver \$17 lda \$2,-1 .long 0x47e20c21 # amask \$2,\$1 lda \$16,Lformat not \$1,\$18 jsr \$26,printf ldgp \$29,0(\$26) mov 0,\$16 jsr \$26,exit .end main EOF $CC_FOR_BUILD ${dummy}0.s -o $dummy 2>/dev/null if test "$?" = 0 ; then case `$dummy` in 0-0) exact_cpu=alpha ;; 1-0) exact_cpu=alphaev5 ;; 1-1) exact_cpu=alphaev56 ;; 1-101) exact_cpu=alphapca56 ;; 2-303) exact_cpu=alphaev6 ;; 2-307) exact_cpu=alphaev67 ;; 2-1307) exact_cpu=alphaev68 ;; esac fi ;; arm*-*-* | aarch64-*-*) cpu_code=`sed -n 's/^CPU part.*\(0x.*\)$/\1/p' /proc/cpuinfo 2>/dev/null | sort -r | head -n 1 2>/dev/null` cpu_implementer=`sed -n 's/^CPU implementer.*\(0x.*\)$/\1/p' /proc/cpuinfo 2>/dev/null | head -n 1 2>/dev/null` case "${cpu_implementer}_${cpu_code}" in 0x53_0x001) exact_cpu=armexynosm1 ;; 0x51_0x800) exact_cpu=armcortexa57 ;; 0x43_0x0a1) exact_cpu=armthunderx ;; 0x50_0x000) exact_cpu=armxgene1 ;; esac if test -z "$exact_cpu"; then case "$cpu_code" in 0xa10 | 0xa11 | 0xb11) # v4 strongarm/sa1100 exact_cpu="armsa1";; 0x915 | 0x925 | \ 0x920 | 0x922 | 0x940) # v4 exact_cpu="arm9tdmi";; 0x210 | 0x290 | 0x2d0 | \ 0x212 | 0x292 | 0x2d2 | \ 0x411) exact_cpu="armxscale";; # v5 pxa2xx 0x926 | 0x946 | 0x966 | 0x968) # v5te/v5tej exact_cpu="arm9te";; 0xa20 | 0xa22 | 0xa26) # v5te exact_cpu="arm10";; 0xb02) exact_cpu="arm11mpcore";; # v6 0xb36) exact_cpu="arm1136";; # v6 0xb56) exact_cpu="arm1156";; # v6t2 0xb76) exact_cpu="arm1176";; # v6 0xc05) exact_cpu="armcortexa5";; # v7a 0xc07) exact_cpu="armcortexa7";; # v7a 0xc08) exact_cpu="armcortexa8";; # v7a 0xc09) exact_cpu="armcortexa9";; # v7a 0xc0f) exact_cpu="armcortexa15";; # v7a 0xc14) exact_cpu="armcortexr4";; # v7r 0xc15) exact_cpu="armcortexr5";; # v7r 0xc23) exact_cpu="armcortexm3";; # v7m 0xd04) exact_cpu="armcortexa35";; # v8-32 0xd03) exact_cpu="armcortexa53";; # v8 0xd07) exact_cpu="armcortexa57";; # v8 0xd08) exact_cpu="armcortexa72";; # v8 *) exact_cpu=$guess_cpu;; esac fi exact_cpu="${exact_cpu}`sed -n 's;^Features.*\(neon\).*;\1;p' /proc/cpuinfo 2>/dev/null | head -n 1 2>/dev/null`" ;; ia64*-*-*) eval $set_cc_for_build # CPUID[3] bits 24 to 31 is the processor family. itanium2 is documented # as 0x1f, plain itanium has been seen returning 0x07 on two systems, but # haven't found any documentation on it as such. # # Defining both getcpuid and _getcpuid lets us ignore whether the system # expects underscores or not. # # "unsigned long long" is always 64 bits, in fact on hpux in ilp32 mode # (which is the default there), it's the only 64-bit type. # cat >${dummy}0.s <$dummy.c < unsigned long long getcpuid (); int main () { if (getcpuid(0LL) == 0x49656E69756E6547LL && getcpuid(1LL) == 0x6C65746ELL) { /* "GenuineIntel" */ switch ((getcpuid(3LL) >> 24) & 0xFF) { case 0x07: puts ("itanium"); break; case 0x1F: puts ("itanium2"); break; /* McKinley, Madison */ case 0x20: puts ("itanium2"); break; /* Montecito, Montvale, Tukwila */ case 0x21: puts ("itanium2"); break; /* Poulson */ } } return 0; } EOF if $CC_FOR_BUILD ${dummy}0.s $dummy.c -o $dummy >/dev/null 2>&1; then exact_cpu=`$dummy` fi ;; mips-*-irix[6789]*) # IRIX 6 and up always has a 64-bit mips cpu exact_cpu=mips64 ;; m68k-*-*) eval $set_cc_for_build # NetBSD (and presumably other *BSD) "sysctl hw.model" gives for example # hw.model = Apple Macintosh Quadra 610 (68040) exact_cpu=`(sysctl hw.model) 2>/dev/null | sed -n 's/^.*\(680[012346]0\).*$/m\1/p'` if test -z "$exact_cpu"; then # Linux kernel 2.2 gives for example "CPU: 68020" (tabs in between). exact_cpu=`sed -n 's/^CPU:.*\(680[012346]0\).*$/m\1/p' /proc/cpuinfo 2>/dev/null` fi if test -z "$exact_cpu"; then # Try: movel #0,%d0; rts # This is to check the compiler and our asm code works etc, before # assuming failures below indicate cpu characteristics. # .byte is used to avoid problems with assembler syntax variations. # For testing, provoke failures by adding "illegal" possibly as # ".byte 0x4A, 0xFC" cat >${dummy}0.s </dev/null 2>&1; then # $SHELL -c is used to execute $dummy below, since ($dummy) # 2>/dev/null still prints the SIGILL message on some shells. # # Try: movel #0,%d0 # rtd #0 cat >${dummy}0.s </dev/null 2>&1; then $SHELL -c $dummy >/dev/null 2>&1 if test $? != 0; then exact_cpu=m68000 # because rtd didn't work fi fi # if test -z "$exact_cpu"; then # Try: trapf # movel #0,%d0 # rts # Another possibility for identifying 68000 and 68010 is the # different value stored by "movem a0,(a0)+" cat >${dummy}0.s </dev/null 2>&1; then $SHELL -c $dummy >/dev/null 2>&1 if test $? != 0; then exact_cpu=m68010 # because trapf didn't work fi fi fi if test -z "$exact_cpu"; then # Try: bfffo %d1{0:31},%d0 # movel #0,%d0 # rts cat >${dummy}0.s </dev/null 2>&1; then $SHELL -c $dummy >/dev/null 2>&1 if test $? != 0; then exact_cpu=m68360 # cpu32, because bfffo didn't work fi fi fi if test -z "$exact_cpu"; then # FIXME: Now we know 68020 or up, but how to detect 030, 040 and 060? exact_cpu=m68020 fi fi fi if test -z "$exact_cpu"; then case "$guess_full" in *-*-next* | *-*-openstep*) # NeXTs are 68020 or better exact_cpu=m68020 ;; esac fi ;; rs6000-*-* | powerpc*-*-*) # Enhancement: On MacOS the "machine" command prints for instance # "ppc750". Interestingly on powerpc970-apple-darwin6.8.5 it prints # "ppc970" where there's no actual #define for 970 from NXGetLocalArchInfo # (as noted below). But the man page says the command is still "under # development", so it doesn't seem wise to use it just yet, not while # there's an alternative. # Try to read the PVR. mfpvr is a protected instruction, NetBSD, MacOS and # AIX don't allow it in user mode, but the Linux kernel does. We prefer this # to /proc/cpuinfo since the latter lags for newer CPUs. # # Note this is no good on AIX, since a C function there is the address of # a function descriptor, not actual code. But this doesn't matter since # AIX doesn't allow mfpvr anyway. # if test -z "$exact_cpu"; then eval $set_cc_for_build cat >$dummy.c <<\EOF #include int main () { unsigned pvr; asm ("mfpvr %0" : "=r" (pvr)); switch (pvr >> 16) { case 0x0001: puts ("powerpc601"); break; case 0x0003: puts ("powerpc603"); break; case 0x0004: puts ("powerpc604"); break; case 0x0006: puts ("powerpc603e"); break; case 0x0007: puts ("powerpc603e"); break; /* 603ev */ case 0x0008: puts ("powerpc750"); break; case 0x0009: puts ("powerpc604e"); break; case 0x000a: puts ("powerpc604e"); break; /* 604ev5 */ case 0x000c: puts ("powerpc7400"); break; case 0x0041: puts ("powerpc630"); break; case 0x003f: puts ("power7"); break; case 0x004b: case 0x004c: case 0x004d: puts ("power8"); break; case 0x004e: puts ("power9"); break; case 0x0050: puts ("powerpc860"); break; case 0x8000: puts ("powerpc7450"); break; case 0x8001: puts ("powerpc7455"); break; case 0x8002: puts ("powerpc7457"); break; case 0x8003: puts ("powerpc7447"); break; /* really 7447A */ case 0x800c: puts ("powerpc7410"); break; } return 0; } EOF if ($CC_FOR_BUILD $dummy.c -o $dummy) >/dev/null 2>&1; then # This style construct is needed on AIX 4.3 to suppress the SIGILL error # from (*fun)(). Using $SHELL -c $dummy 2>/dev/null doesn't work. { x=`$dummy`; } 2>/dev/null if test -n "$x"; then exact_cpu=$x fi fi fi # Grep the /proc/cpuinfo pseudo-file. # Anything unrecognised is ignored, since of course we mustn't spit out # a cpu type config.sub doesn't know. if test -z "$exact_cpu" && test -f /proc/cpuinfo; then x=`grep "^cpu[ ]" /proc/cpuinfo | head -n 1` x=`echo $x | sed -n 's/^cpu[ ]*:[ ]*\([A-Za-z0-9]*\).*/\1/p'` x=`echo $x | sed 's/PPC//'` case $x in 601) exact_cpu="power" ;; 603ev) exact_cpu="powerpc603e" ;; 604ev5) exact_cpu="powerpc604e" ;; 970??) exact_cpu="powerpc970" ;; 603 | 603e | 604 | 604e | 750 | 821 | 860) exact_cpu="powerpc$x" ;; POWER[4-9]*) exact_cpu=`echo $x | sed -e "s;POWER;power;" -e "s;[a-zA-Z]*$;;"` ;; esac fi if test -z "$exact_cpu"; then # On AIX, try looking at _system_configuration. This is present in # version 4 at least. cat >$dummy.c < #include int main () { switch (_system_configuration.implementation) { /* Old versions of AIX don't have all these constants, use ifdef for safety. */ #ifdef POWER_RS2 case POWER_RS2: puts ("power2"); break; #endif #ifdef POWER_601 case POWER_601: puts ("power"); break; #endif #ifdef POWER_603 case POWER_603: puts ("powerpc603"); break; #endif #ifdef POWER_604 case POWER_604: puts ("powerpc604"); break; #endif #ifdef POWER_620 case POWER_620: puts ("powerpc620"); break; #endif #ifdef POWER_630 case POWER_630: puts ("powerpc630"); break; #endif /* Dunno what this is, leave it out for now. case POWER_A35: puts ("powerpca35"); break; */ /* This is waiting for a bit more info. case POWER_RS64II: puts ("powerpcrs64ii"); break; */ #ifdef POWER_4 case POWER_4: puts ("power4"); break; #endif #ifdef POWER_5 case POWER_5: puts ("power5"); break; #endif #ifdef POWER_6 case POWER_6: puts ("power6"); break; #endif #ifdef POWER_7 case POWER_7: puts ("power7"); break; #endif #ifdef POWER_8 case POWER_8: puts ("power8"); break; #endif #ifdef POWER_9 case POWER_9: puts ("power9"); break; #endif default: if (_system_configuration.architecture == POWER_RS) puts ("power"); else if (_system_configuration.width == 64) puts ("powerpc64"); } return 0; } EOF if ($CC_FOR_BUILD $dummy.c -o $dummy) >/dev/null 2>&1; then x=`$dummy` if test -n "$x"; then exact_cpu=$x fi fi fi if test -z "$exact_cpu"; then # On MacOS X (or any Mach-O presumably), NXGetLocalArchInfo cpusubtype # can tell us the exact cpu. cat >$dummy.c < #include int main (void) { const NXArchInfo *a = NXGetLocalArchInfo(); if (a->cputype == CPU_TYPE_POWERPC) { switch (a->cpusubtype) { /* The following known to Darwin 1.3. */ case CPU_SUBTYPE_POWERPC_601: puts ("powerpc601"); break; case CPU_SUBTYPE_POWERPC_602: puts ("powerpc602"); break; case CPU_SUBTYPE_POWERPC_603: puts ("powerpc603"); break; case CPU_SUBTYPE_POWERPC_603e: puts ("powerpc603e"); break; case CPU_SUBTYPE_POWERPC_603ev: puts ("powerpc603e"); break; case CPU_SUBTYPE_POWERPC_604: puts ("powerpc604"); break; case CPU_SUBTYPE_POWERPC_604e: puts ("powerpc604e"); break; case CPU_SUBTYPE_POWERPC_620: puts ("powerpc620"); break; case CPU_SUBTYPE_POWERPC_750: puts ("powerpc750"); break; case CPU_SUBTYPE_POWERPC_7400: puts ("powerpc7400"); break; case CPU_SUBTYPE_POWERPC_7450: puts ("powerpc7450"); break; /* Darwin 6.8.5 doesn't define the following */ case 0x8001: puts ("powerpc7455"); break; case 0x8002: puts ("powerpc7457"); break; case 0x8003: puts ("powerpc7447"); break; case 100: puts ("powerpc970"); break; } } return 0; } EOF if ($CC_FOR_BUILD $dummy.c -o $dummy) >/dev/null 2>&1; then x=`$dummy` if test -n "$x"; then exact_cpu=$x fi fi fi ;; sparc-*-* | sparc64-*-*) # If we can recognise an actual v7 then $exact_cpu is set to "sparc" so as # to short-circuit subsequent tests. # Grep the linux kernel /proc/cpuinfo pseudo-file. # A typical line is "cpu\t\t: TI UltraSparc II (BlackBird)" # See arch/sparc/kernel/cpu.c and arch/sparc64/kernel/cpu.c. # if test -f /proc/cpuinfo; then if grep 'cpu.*Cypress' /proc/cpuinfo >/dev/null; then exact_cpu="sparc" # ie. v7 elif grep 'cpu.*Power-UP' /proc/cpuinfo >/dev/null; then exact_cpu="sparc" # ie. v7 elif grep 'cpu.*HyperSparc' /proc/cpuinfo >/dev/null; then exact_cpu="sparcv8" elif grep 'cpu.*SuperSparc' /proc/cpuinfo >/dev/null; then exact_cpu="supersparc" elif grep 'cpu.*MicroSparc' /proc/cpuinfo >/dev/null; then exact_cpu="microsparc" elif grep 'cpu.*MB86904' /proc/cpuinfo >/dev/null; then # actually MicroSPARC-II exact_cpu=microsparc elif grep 'cpu.*UltraSparc T5' /proc/cpuinfo >/dev/null; then exact_cpu="ultrasparct5" elif grep 'cpu.*UltraSparc T4' /proc/cpuinfo >/dev/null; then exact_cpu="ultrasparct4" elif grep 'cpu.*UltraSparc T3' /proc/cpuinfo >/dev/null; then exact_cpu="ultrasparct3" elif grep 'cpu.*UltraSparc T2' /proc/cpuinfo >/dev/null; then exact_cpu="ultrasparct2" elif grep 'cpu.*UltraSparc T1' /proc/cpuinfo >/dev/null; then exact_cpu="ultrasparct1" elif grep 'cpu.*UltraSparc III' /proc/cpuinfo >/dev/null; then exact_cpu="ultrasparc3" elif grep 'cpu.*UltraSparc IIi' /proc/cpuinfo >/dev/null; then exact_cpu="ultrasparc2i" elif grep 'cpu.*UltraSparc II' /proc/cpuinfo >/dev/null; then exact_cpu="ultrasparc2" elif grep 'cpu.*UltraSparc' /proc/cpuinfo >/dev/null; then exact_cpu="ultrasparc" fi fi # Need to invoke this for setup of $dummy eval $set_cc_for_build # Grep the output from sysinfo on SunOS. # sysinfo has been seen living in /bin or in /usr/kvm # cpu0 is a "SuperSPARC Model 41 SPARCmodule" CPU # cpu0 is a "75 MHz TI,TMS390Z55" CPU # if test -z "$exact_cpu"; then for i in sysinfo /usr/kvm/sysinfo; do if $SHELL -c $i 2>/dev/null >$dummy; then if grep 'cpu0 is a "SuperSPARC' $dummy >/dev/null; then exact_cpu=supersparc break elif grep 'cpu0 is a .*TMS390Z5.' $dummy >/dev/null; then # TMS390Z50 and TMS390Z55 exact_cpu=supersparc break fi fi done fi # Grep the output from prtconf on Solaris. # Use an explicit /usr/sbin, since that directory might not be in a normal # user's path. # # SUNW,UltraSPARC (driver not attached) # SUNW,UltraSPARC-II (driver not attached) # SUNW,UltraSPARC-IIi (driver not attached) # SUNW,UltraSPARC-III+ (driver not attached) # Ross,RT625 (driver not attached) # TI,TMS390Z50 (driver not attached) # # /usr/sbin/sysdef prints similar information, but includes all loadable # cpu modules, not just the real cpu. # # We first try a plain prtconf, since that is known to work on older systems. # But for newer T1 systems, that doesn't produce any useful output, we need # "prtconf -vp" there. # for prtconfopt in "" "-vp"; do if test -z "$exact_cpu"; then if $SHELL -c "/usr/sbin/prtconf $prtconfopt" 2>/dev/null >$dummy; then if grep 'SUNW,UltraSPARC-T5' $dummy >/dev/null; then exact_cpu=ultrasparct5 elif grep 'SUNW,UltraSPARC-T4' $dummy >/dev/null; then exact_cpu=ultrasparct4 elif grep 'SUNW,UltraSPARC-T3' $dummy >/dev/null; then exact_cpu=ultrasparct3 elif grep 'SUNW,UltraSPARC-T2' $dummy >/dev/null; then exact_cpu=ultrasparct2 elif grep 'SUNW,UltraSPARC-T1' $dummy >/dev/null; then exact_cpu=ultrasparct1 elif grep 'SUNW,UltraSPARC-III' $dummy >/dev/null; then exact_cpu=ultrasparc3 elif grep 'SUNW,UltraSPARC-IIi' $dummy >/dev/null; then exact_cpu=ultrasparc2i elif grep 'SUNW,UltraSPARC-II' $dummy >/dev/null; then exact_cpu=ultrasparc2 elif grep 'SUNW,UltraSPARC' $dummy >/dev/null; then exact_cpu=ultrasparc elif grep 'Ross,RT62.' $dummy >/dev/null; then # RT620, RT625, RT626 hypersparcs (v8). exact_cpu=sparcv8 elif grep 'TI,TMS390Z5.' $dummy >/dev/null; then # TMS390Z50 and TMS390Z55 exact_cpu=supersparc elif grep 'TI,TMS390S10' $dummy >/dev/null; then exact_cpu=microsparc elif grep 'FMI,MB86904' $dummy >/dev/null; then # actually MicroSPARC-II exact_cpu=microsparc fi fi fi done # Grep the output from sysctl hw.model on sparc or sparc64 *BSD. # Use an explicit /sbin, since that directory might not be in a normal # user's path. Example outputs, # # hw.model: Sun Microsystems UltraSparc-IIi # if test -z "$exact_cpu"; then if $SHELL -c "/sbin/sysctl hw.model" 2>/dev/null >$dummy; then if grep -i 'UltraSparc-T5' $dummy >/dev/null; then exact_cpu=ultrasparct5 elif grep -i 'UltraSparc-T4' $dummy >/dev/null; then exact_cpu=ultrasparct4 elif grep -i 'UltraSparc-T3' $dummy >/dev/null; then exact_cpu=ultrasparct3 elif grep -i 'UltraSparc-T2' $dummy >/dev/null; then exact_cpu=ultrasparct2 elif grep -i 'UltraSparc-T1' $dummy >/dev/null; then exact_cpu=ultrasparct1 elif grep -i 'UltraSparc-III' $dummy >/dev/null; then exact_cpu=ultrasparc3 elif grep -i 'UltraSparc-IIi' $dummy >/dev/null; then exact_cpu=ultrasparc2i elif grep -i 'UltraSparc-II' $dummy >/dev/null; then exact_cpu=ultrasparc2 elif grep -i 'UltraSparc' $dummy >/dev/null; then exact_cpu=ultrasparc elif grep 'TMS390Z5.' $dummy >/dev/null; then # TMS390Z50 and TMS390Z55 exact_cpu=supersparc elif grep 'TMS390S10' $dummy >/dev/null; then exact_cpu=microsparc elif grep 'MB86904' $dummy >/dev/null; then # actually MicroSPARC-II exact_cpu=microsparc elif grep 'MB86907' $dummy >/dev/null; then exact_cpu=turbosparc fi fi fi # sun4m and sun4d are v8s of some sort, sun4u is a v9 of some sort # if test -z "$exact_cpu"; then case `uname -m` in sun4[md]) exact_cpu=sparcv8 ;; sun4u) exact_cpu=sparcv9 ;; esac fi ;; # Recognise x86 processors using a tricky cpuid with 4 arguments, repeating # arguments; for x86-64 we effectively pass the 1st in rdx and the 2nd in rcx. # This allows the same asm to work for both standard and Windoze calling # conventions. i?86-*-* | amd64-*-* | x86_64-*-*) eval $set_cc_for_build cat <$dummy.c #include #include #define CPUID(a,b) cpuid(b,a,a,b) #if __cplusplus extern "C" #endif unsigned int cpuid (int, char *, char *, int); int gmp_workaround_skylake_cpuid_bug () { char feature_string[49]; char processor_name_string[49]; static const char *bad_cpus[] = {" G44", " G45", " G39" /* , "6600" */ }; int i; /* Example strings: */ /* "Intel(R) Pentium(R) CPU G4400 @ 3.30GHz" */ /* "Intel(R) Core(TM) i5-6600K CPU @ 3.50GHz" */ /* ^ ^ ^ */ /* 0x80000002 0x80000003 0x80000004 */ /* We match out just the 0x80000003 part here. */ /* In their infinitive wisdom, Intel decided to use one register order for the vendor string, and another for the processor name string. We shuffle things about here, rather than write a new variant of our assembly cpuid. */ unsigned int eax, ebx, ecx, edx; eax = CPUID (feature_string, 0x80000003); ebx = ((unsigned int *)feature_string)[0]; edx = ((unsigned int *)feature_string)[1]; ecx = ((unsigned int *)feature_string)[2]; ((unsigned int *) (processor_name_string))[0] = eax; ((unsigned int *) (processor_name_string))[1] = ebx; ((unsigned int *) (processor_name_string))[2] = ecx; ((unsigned int *) (processor_name_string))[3] = edx; processor_name_string[16] = 0; for (i = 0; i < sizeof (bad_cpus) / sizeof (char *); i++) { if (strstr (processor_name_string, bad_cpus[i]) != 0) return 1; } return 0; } int main () { char vendor_string[13]; char feature_string[12]; long fms; int family, model; const char *modelstr, *suffix; int cpu_64bit = 0, cpu_avx = 0; int cpuid_64bit, cpuid_avx, cpuid_osxsave; CPUID (vendor_string, 0); vendor_string[12] = 0; fms = CPUID (feature_string, 1); family = ((fms >> 8) & 0xf) + ((fms >> 20) & 0xff); model = ((fms >> 4) & 0xf) + ((fms >> 12) & 0xf0); cpuid_avx = (feature_string[11] >> 4) & 1; cpuid_osxsave = (feature_string[11] >> 3) & 1; modelstr = "$guess_cpu"; /**************************************************/ /*** WARNING: keep this list in sync with fat.c ***/ /**************************************************/ if (strcmp (vendor_string, "GenuineIntel") == 0) { switch (family) { case 5: if (model == 4 || model == 8) modelstr = "pentiummmx"; else modelstr = "pentium"; break; case 6: if (model <= 1) modelstr = "pentiumpro"; else if (model <= 6) modelstr = "pentium2"; else if (model <= 8) modelstr = "pentium3"; else if (model <= 9) modelstr = "pentiumm"; else if (model <= 0x0c) modelstr = "pentium3"; else if (model <= 0x0e) modelstr = "pentiumm"; else if (model <= 0x19) cpu_64bit = 1, modelstr = "core2"; else if (model == 0x1a) cpu_64bit = 1, modelstr = "nehalem"; /* NHM Gainestown */ else if (model == 0x1c) cpu_64bit = 1, modelstr = "atom"; /* Silverthorne */ else if (model == 0x1d) cpu_64bit = 1, modelstr = "core2"; /* PNR Dunnington */ else if (model == 0x1e) cpu_64bit = 1, modelstr = "nehalem"; /* NHM Lynnfield/Jasper */ else if (model == 0x25) cpu_64bit = 1, modelstr = "westmere"; /* WSM Clarkdale/Arrandale */ else if (model == 0x26) cpu_64bit = 1, modelstr = "atom"; /* Lincroft */ else if (model == 0x27) cpu_64bit = 1, modelstr = "atom"; /* Saltwell */ else if (model == 0x2a) cpu_64bit = 1, cpu_avx=1, modelstr = "sandybridge";/* SB */ else if (model == 0x2c) cpu_64bit = 1, modelstr = "westmere"; /* WSM Gulftown */ else if (model == 0x2d) cpu_64bit = 1, cpu_avx=1, modelstr = "sandybridge";/* SBC-EP */ else if (model == 0x2e) cpu_64bit = 1, modelstr = "nehalem"; /* NHM Beckton */ else if (model == 0x2f) cpu_64bit = 1, modelstr = "westmere"; /* WSM Eagleton */ else if (model == 0x36) cpu_64bit = 1, modelstr = "atom"; /* Cedarview/Saltwell */ else if (model == 0x37) cpu_64bit = 1, modelstr = "silvermont"; /* Silvermont */ else if (model == 0x3a) cpu_64bit = 1, cpu_avx=1, modelstr = "ivybridge"; /* IBR */ else if (model == 0x3c) cpu_64bit = 1, cpu_avx=1, modelstr = "haswell"; /* Haswell client */ else if (model == 0x3d) cpu_64bit = 1, cpu_avx=1, modelstr = "broadwell"; /* Broadwell */ else if (model == 0x3e) cpu_64bit = 1, cpu_avx=1, modelstr = "ivybridge"; /* Ivytown */ else if (model == 0x3f) cpu_64bit = 1, cpu_avx=1, modelstr = "haswell"; /* Haswell server */ else if (model == 0x45) cpu_64bit = 1, cpu_avx=1, modelstr = "haswell"; /* Haswell ULT */ else if (model == 0x46) cpu_64bit = 1, cpu_avx=1, modelstr = "haswell"; /* Crystal Well */ else if (model == 0x47) cpu_64bit = 1, cpu_avx=1, modelstr = "broadwell"; /* Broadwell */ else if (model == 0x4a) cpu_64bit = 1, modelstr = "silvermont"; /* Silvermont */ else if (model == 0x4c) cpu_64bit = 1, modelstr = "silvermont"; /* Airmont */ else if (model == 0x4d) cpu_64bit = 1, modelstr = "silvermont"; /* Silvermont/Avoton */ else if (model == 0x4e) cpu_64bit = 1, cpu_avx=1, modelstr = "skylake"; /* Skylake client */ else if (model == 0x4f) cpu_64bit = 1, cpu_avx=1, modelstr = "broadwell"; /* Broadwell server */ else if (model == 0x55) cpu_64bit = 1, cpu_avx=1, modelstr = "skylake"; /* Skylake server */ else if (model == 0x56) cpu_64bit = 1, cpu_avx=1, modelstr = "broadwell"; /* Broadwell microserver */ else if (model == 0x57) cpu_64bit = 1, modelstr = "knightslanding"; /* aka Xeon Phi */ else if (model == 0x5a) cpu_64bit = 1, modelstr = "silvermont"; /* Silvermont */ else if (model == 0x5c) cpu_64bit = 1, modelstr = "goldmont"; /* Goldmont */ else if (model == 0x5e) cpu_64bit = 1, cpu_avx=1, modelstr = "skylake"; /* Skylake */ else if (model == 0x5f) cpu_64bit = 1, modelstr = "goldmont"; /* Goldmont */ else if (model == 0x8e) cpu_64bit = 1, cpu_avx=1, modelstr = "kabylake"; /* Kabylake Y/U */ else if (model == 0x9e) cpu_64bit = 1, cpu_avx=1, modelstr = "kabylake"; /* Kabylake desktop */ else cpu_64bit = 1, modelstr = "nehalem"; /* default */ if (strcmp (modelstr, "haswell") == 0 || strcmp (modelstr, "broadwell") == 0 || strcmp (modelstr, "skylake") == 0) { /* Some haswell, broadwell, skylake lack BMI2. Let them appear as sandybridge for now. */ CPUID (feature_string, 7); if ((feature_string[0 + 8 / 8] & (1 << (8 % 8))) == 0 || gmp_workaround_skylake_cpuid_bug ()) modelstr = "sandybridge"; } break; case 15: cpu_64bit = 1, modelstr = "pentium4"; break; } } else if (strcmp (vendor_string, "AuthenticAMD") == 0) { switch (family) { case 5: if (model <= 3) modelstr = "k5"; else if (model <= 7) modelstr = "k6"; else if (model == 8) modelstr = "k62"; else if (model == 9) modelstr = "k63"; else if (model == 10) modelstr = "geode"; else if (model == 13) modelstr = "k63"; break; case 6: modelstr = "athlon"; break; case 15: /* K8, K9 */ cpu_64bit = 1, modelstr = "k8"; break; case 16: /* K10 */ cpu_64bit = 1, modelstr = "k10"; break; case 17: /* Hybrid k8/k10, claim k8 */ cpu_64bit = 1, modelstr = "k8"; break; case 18: /* Llano, uses K10 core */ cpu_64bit = 1, modelstr = "k10"; break; case 19: /* AMD Internal, assume future K10 */ cpu_64bit = 1, modelstr = "k10"; break; case 20: /* Bobcat */ cpu_64bit = 1, modelstr = "bobcat"; break; case 21: /* Bulldozer */ cpu_64bit = 1, cpu_avx = 1; if (model <= 1) modelstr = "bulldozer"; else if (model < 0x20) /* really 2, [0x10-0x20) */ modelstr = "piledriver"; else if (model < 0x40) /* really [0x30-0x40) */ modelstr = "steamroller"; else /* really [0x60-0x70) */ modelstr = "excavator"; break; case 22: /* Jaguar, an improved bobcat */ cpu_64bit = 1, cpu_avx = 1, modelstr = "jaguar"; break; case 23: /* Zen */ cpu_64bit = 1, cpu_avx = 1, modelstr = "zen"; break; } } else if (strcmp (vendor_string, "CyrixInstead") == 0) { /* Should recognize Cyrix' processors too. */ } else if (strcmp (vendor_string, "CentaurHauls") == 0) { switch (family) { case 6: if (model < 9) modelstr = "viac3"; else if (model < 15) modelstr = "viac32"; else cpu_64bit = 1, modelstr = "nano"; break; } } CPUID (feature_string, 0x80000001); cpuid_64bit = (feature_string[7] >> 5) & 1; suffix = ""; if (cpuid_64bit && ! cpu_64bit) /* If our cpuid-based CPU identification thinks this is a 32-bit CPU but cpuid claims AMD64 capabilities, then revert to the generic "x86_64". This is of course wrong, but it can happen in some virtualisers and emulators, and this workaround allows for successful 64-bit builds. */ modelstr = "x86_64"; else if (cpu_avx && ! (cpuid_avx && cpuid_osxsave)) /* For CPUs nominally capable of executing AVX, append "noavx" when not both the AVX and OSXSAVE cpuid bits are set. We tolerate weirdness here, as some virtualisers set a broken cpuid state here, while other virtualisers allow users to set a broken state. */ suffix = "noavx"; printf ("%s%s", modelstr, suffix); return 0; } EOF # The rcx/ecx zeroing here and in the variant below is needed for the BMI2 # check. cat <${dummy}0.s .globl cpuid .globl _cpuid cpuid: _cpuid: push %rbx mov %rdx, %r8 mov %ecx, %eax xor %ecx, %ecx .byte 0x0f .byte 0xa2 mov %ebx, (%r8) mov %edx, 4(%r8) mov %ecx, 8(%r8) pop %rbx ret EOF if ($CC_FOR_BUILD ${dummy}0.s $dummy.c -o $dummy) >/dev/null 2>&1; then # On 80386 and early 80486 cpuid is not available and will result in a # SIGILL message, hence 2>/dev/null. # # On i386-unknown-freebsd4.9, "/bin/sh -c ./dummy" seems to send an # "Illegal instruction (core dumped)" message to stdout, so we test $? # to check if the program run was successful. # x=`$SHELL -c $dummy 2>/dev/null` if test $? = 0 && test -n "$x"; then exact_cpu=$x fi fi cat <${dummy}0.s .globl cpuid .globl _cpuid cpuid: _cpuid: pushl %esi pushl %ebx movl 24(%esp),%eax xor %ecx, %ecx .byte 0x0f .byte 0xa2 movl 20(%esp),%esi movl %ebx,(%esi) movl %edx,4(%esi) movl %ecx,8(%esi) popl %ebx popl %esi ret EOF if test -z "$exact_cpu"; then if ($CC_FOR_BUILD ${dummy}0.s $dummy.c -o $dummy) >/dev/null 2>&1; then # On 80386 and early 80486 cpuid is not available and will result in a # SIGILL message, hence 2>/dev/null. # # On i386-unknown-freebsd4.9, "/bin/sh -c ./dummy" seems to send an # "Illegal instruction (core dumped)" message to stdout, so we test $? # to check if the program run was successful. # x=`$SHELL -c $dummy 2>/dev/null` if test $? = 0 && test -n "$x"; then exact_cpu=$x fi fi fi # We need to remove some .o files here since lame C compilers # generate these even when not asked. ;; s390*-*-*) if test -f /proc/cpuinfo; then model=`grep "^processor 0: version =" /proc/cpuinfo | sed -e 's/.*machine = //'` case $model in 2064 | 2066) zcpu="z900" ;; 2084 | 2086) zcpu="z990" ;; 2094 | 2096) zcpu="z9" ;; 2097 | 2098) zcpu="z10" ;; 2817 | 2818 | *) zcpu="z196" ;; esac case "$guess_full" in s390x-*-*) exact_cpu=${zcpu} ;; s390-*-*) exact_cpu=${zcpu}esa ;; esac fi ;; esac # ------------------------------------------------------------------------- # Use an exact cpu, if possible if test -n "$exact_cpu"; then echo "$exact_cpu$guess_rest" else echo "$guess_full" fi exit 0 # Local variables: # fill-column: 76 # End: