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#!/bin/sh
# $NetBSD: cpuflags.NetBSD,v 1.41 2003/07/10 11:52:03 abs Exp $
if [ -x /sbin/sysctl ] ;then
SYSCTL=/sbin/sysctl
else
SYSCTL=/usr/sbin/sysctl # NetBSD 1.3
fi
hw_machine=`$SYSCTL -n hw.machine`
hw_machine_arch=`$SYSCTL -n hw.machine_arch`
hw_model=`$SYSCTL -n hw.model`
# We're almost certainly crosscompiling
if [ -n "$MACHINE" -a $hw_machine != "$MACHINE" ]; then
echo
exit
fi
if [ -n "$1" ]; then
CC=$1
else
CC=gcc
fi
case $hw_machine_arch in
alpha)
# cpu0 at mainbus0: ID 0 (primary), 21164A-0 (unknown ...
case "`egrep '^cpu0 ' /var/run/dmesg.boot`" in
*[\(\ ]2106[46][-A\ \)]*) FLAGS="-mcpu=21064" ;;
*[\(\ ]21164[-\ \)]*) FLAGS="-mcpu=21164" ;;
*[\(\ ]21164A[-\ \)]*) FLAGS="-mcpu=21164a" ;;
*[\(\ ]21264B[-\ \)]*) FLAGS="-mcpu=21264" ;;
esac
;;
arm | arm32) case $hw_model in
ARM610*) FLAGS="-mcpu=arm610" ;; # risc pc
ARM710*) FLAGS="-mcpu=arm710" ;; # risc pc
SA-110*)
case $hw_machine in # arm32 split post 1.5
cats|shark|hpcarm|netwinder)
FLAGS="-mcpu=strongarm110" ;;
acorn32)
FLAGS="-march=armv3m -mtune=strongarm" ;;
*)
# memorybus in strongarm risc pc machines cannot support
# certain strongarm instructions, but in 1.5 and earlier
# all strongarm machines are 'arm32', so uname and sysctl
# no use
if egrep -q 'ofbus0|footbridge0' /var/run/dmesg.boot \
2>/dev/null ; then
FLAGS="-mcpu=strongarm110" # shark/cats
else
FLAGS="-march=armv3m -mtune=strongarm" # risc pc
fi
esac ;;
esac ;;
i386) case $hw_model in
*Intel\ Pentium\ II\ *) FLAGS='-march=pentium2' ;;
*Intel\ Pentium\ III\ *) FLAGS='-march=pentium3' ;;
*Intel\ Pentium\ 4\ *) FLAGS='-march=pentium4' ;;
*AMD\ K6-III*) FLAGS='-march=k6-3' ;;
*AMD\ K6-2*) FLAGS='-march=k6-2' ;;
*AMD\ K6*) FLAGS='-march=k6' ;;
*AMD\ K7*|*AMD\ Athlon*) FLAGS='-march=athlon' ;;
*AMD\ Duron*) FLAGS='-march=athlon' ;;
*386-class*) FLAGS='-march=i386' ;;
*486-class*) FLAGS='-march=i486' ;;
*586-class*) FLAGS='-march=pentium' ;;
*686-class*) FLAGS='-march=pentiumpro' ;;
esac ;;
m68k) case $hw_model in # Examples
*\(68020*|*\ MC68020\ *) FLAGS='-m68020' ;; # Untested
*\(68030*|*\ MC68030\ *) FLAGS='-m68030' ;; # Mac LC III
*\(68040*|*\ MC68040\ *) FLAGS='-m68040' ;; # Untested
*\(68060*|*\ MC68060\ *) FLAGS='-m68060' ;; # Upgr amiga 3000
esac
case "`egrep '^fpu0 ' /var/run/dmesg.boot`" in
*\(emulator\)*) FLAGS="$FLAGS -msoft-float" ;;
*\(no\ math\ support\)*) FLAGS="$FLAGS -msoft-float" ;;
esac
;;
mipseb|mipsel)
# cpu0 at mainbus0: QED R4600 Orion CPU (0x2020) Rev. 2.0 with ...
case "`egrep '^cpu0 ' /var/run/dmesg.boot`" in
*\ MIPS\ R2000\ *) FLAGS="-mcpu=r2000" ;;
*\ MIPS\ R3000\ *) FLAGS="-mcpu=r3000" ;;
*\ MIPS\ R3000A\ *) FLAGS="-mcpu=r3000" ;;
*\ Toshiba\ TX3912\ *) FLAGS="-mcpu=r3900" ;;
*\ Toshiba\ TX392[27]\ *) FLAGS="-mcpu=r3900" ;;
*\ MIPS\ R4000\ *) FLAGS="-mcpu=r4000 -mips2" ;; # really mips3
*\ MIPS\ R4400\ *) FLAGS="-mcpu=r4400 -mips2" ;; # really mips3
*\ NEC\ VR4100\ *) FLAGS="-mcpu=r4100 -mips2" ;; # really mips3
*\ NEC\ VR4300\ *) FLAGS="-mcpu=r4300 -mips2" ;; # really mips3
*\ QED\ R4600\ *) FLAGS="-mcpu=r4600 -mips2" ;; # really mips3
*\ MIPS\ R5000\ *) FLAGS="-mcpu=r5000 -mips2" ;; # really mips4
*\ QED\ RM5200\ *) FLAGS="-mcpu=r5000 -mips2" ;; # really mips4
*\ MIPS\ R6000\ *) FLAGS="-mcpu=r6000 -mips2" ;;
*\ MIPS\ R8000\ *) FLAGS="-mcpu=r8000 -mips2" ;; # really mips4
esac
;;
powerpc) case $hw_model in # Examples
601\ *) FLAGS='-mcpu=601' ;; # Untested
602\ *) FLAGS='-mcpu=602' ;; # Untested
603\ *) FLAGS='-mcpu=603' ;; # Untested
603ev\ *) FLAGS='-mcpu=603e' ;; # PM 4400
604\ *) FLAGS='-mcpu=604' ;; # Mac 8500
604ev\ *) FLAGS='-mcpu=604e' ;; # upgr B&W G3
7450\ *) FLAGS='-mcpu=740' ;; # tibook 550
7400\ *) FLAGS='-mcpu=740' ;; # AGP G4/400 Mac
750\ *) FLAGS='-mcpu=750' ;; # Untested
740\ *) FLAGS='-mcpu=740' ;; # Untested
620\ *) FLAGS='-mcpu=620' ;; # Untested
esac ;;
sparc | sparc64) case " $hw_model" in # Examples
*[\ \(]MB86900/1A*) FLAGS='-mcpu=cypress' ;; # ss1+
*[\ \(]CY7C601*) FLAGS='-mcpu=cypress' ;; # ss2
*[\ \(]W8601/8701*) FLAGS='-mcpu=cypress' ;; # elc
*[\ \(]MB86904*) FLAGS='-mcpu=supersparc' ;; # ss5 usparc
*[\ \(]MB86907*) FLAGS='-mcpu=supersparc' ;; # ss5 usparc
*[\ \(]TMS390S10*) FLAGS='-mcpu=supersparc' ;; # classic "
*[\ \(]TMS390Z50*) FLAGS='-mcpu=supersparc' ;; # ss10/ss20
*[\ \(]RT620/625*) FLAGS='-mcpu=supersparc' ;; # ss20 ross
*[\ \(]MB86930*) FLAGS='-mcpu=sparclite' ;; # from gcc
*[\ \(]MB86934*) FLAGS='-mcpu=sparclite' ;; # from gcc
# under 1.5.1 -mcpu=ultrasparc chokes egcs-2.91.66 compiling perl
*[\ \(]SUNW,UltraSPARC*) FLAGS='-mcpu=v9' ;; # Ultra
esac ;;
vax) # No VAX specific gcc optimisations available
NONE=1
;;
esac
if [ -z "$FLAGS" -a -z "$NONE" ] ; then
echo 'Unknown machine - please send details to abs@netbsd.org' >&2
echo " hw.model : '$hw_model'" >&2
echo " hw.machine : '$hw_machine'" >&2
echo " hw.machine_arch : '$hw_machine_arch'" >&2
echo " cpu details :" >&2
egrep '^cpu' /var/run/dmesg.boot >&2
fi
# Fixup flags for old gcc
if [ -n "$FLAGS" ]; then
gcc_ver=`${CC} -v 2>&1 | awk '/gcc version/ {sub("egcs-","");print $3}'`
FLAGS=`awk -v "flags=$FLAGS" -v "gcc_ver=$gcc_ver" '
{if (gcc_ver < $1){map[$2] = ""$3}}
END{if (flags in map) {print map[flags]}else {print flags}}
' <<EOD
2.90 -mcpu=21164a
2.90 -march=i386 -mno-486
2.90 -march=i486 -m486
2.90 -march=pentium -m486
2.90 -march=pentiumpro -m486
2.90 -mcpu=supersparc -msupersparc
2.90 -mcpu=sparclite -msparclite
2.90 -mcpu=cypress -mcypress
2.90 -mcpu=v9 -mv8
2.90 -mcpu=arm610 -m6
2.90 -mcpu=strongarm110 -m6
2.90 -mcpu=arm710 -m6
2.95 -march=k6 -march=pentium
3.0 -march=athlon -march=pentiumpro
3.2 -march=k6-2 -march=k6
3.2 -march=k6-3 -march=k6
3.2 -march=pentium2 -march=pentiumpro
3.2 -march=pentium3 -march=pentiumpro
3.2 -march=pentium4 -march=pentiumpro
EOD
`
fi
echo $FLAGS
exit 0
|
