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|
#!/bin/sh
# $NetBSD: cpuflags.NetBSD,v 1.57 2004/11/14 21:51:05 abs Exp $
PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH
if [ "$1" = -v ] ; then
shift
opt_v=1
fi
if [ -n "$1" ]; then
CC=$1
else
CC=gcc
fi
display_hw_details()
{
echo " OS : '$(uname)'"
echo " hw.model : '$hw_model'"
echo " hw.machine : '$hw_machine'"
echo " hw.machine_arch : '$hw_machine_arch'"
echo " cpu details :"
sed -n -e 's/^/ /' -e '/^ cpu/p' /var/run/dmesg.boot
}
hw_model=$(sysctl -n hw.model)
hw_machine=$(sysctl -n hw.machine)
hw_machine_arch=$(sysctl -n hw.machine_arch)
# We're almost certainly crosscompiling
if [ -n "$MACHINE" -a $hw_machine != "$MACHINE" ]; then
echo
exit
fi
# When adding $hw_model tests use maximum context (such as trailing space)
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" ;;
*[\(\ ]21264[-\ \)]*) FLAGS="-mcpu=21264" ;;
*[\(\ ]21264[AB][-\ \)]*) FLAGS="-mcpu=21264a" ;;
*\ PCA56-2) FLAGS="-mcpu=21164pc" ;;
esac
;;
arm | arm32) case $hw_model in
ARM610*) FLAGS="-mcpu=arm610" ;; # risc pc
ARM710*) FLAGS="-mcpu=arm710" ;; # risc pc
i80321\ *) FLAGS="-mcpu=xscale" ;; # iyonix
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/MMX\ *) FLAGS='-march=pentium-mmx' ;;
*Intel\ Pentium\ II\ *) FLAGS='-march=pentium2' ;;
*Intel\ Pentium\ III\ *) FLAGS='-march=pentium3' ;;
*Intel\ Mobile\ Pentium\ III\ *) FLAGS='-march=pentium3' ;;
*Intel\ Celeron\ \(Mendocino\)\ *) FLAGS='-march=pentium3 -mno-sse' ;;
*Intel\ Pentium\ M\ *) FLAGS='-march=pentium3m' ;;
*Intel\ Mobile\ Pentium\ 4\ *) FLAGS='-march=pentium4m' ;;
*Intel\ Pentium\ 4\ *) FLAGS='-march=pentium4' ;;
*VIA\ C3*\ Samuel*) FLAGS='-march=c3' ;;
*AMD\ K6-III*) FLAGS='-march=k6-3' ;;
*AMD\ K6-2*) FLAGS='-march=k6-2' ;;
*AMD\ K6*) FLAGS='-march=k6' ;;
*AMD\ Duron*) FLAGS='-march=athlon' ;;
*AMD\ Athlon\ 4*) FLAGS='-march=athlon-4' ;;
*AMD\ Athlon\ MP*) FLAGS='-march=athlon-mp' ;;
*AMD\ K7\ \(Athlon\)\ XP\ *) FLAGS='-march=athlon-xp' ;;
*AMD\ Athlon\ XP\ *) FLAGS='-march=athlon-xp' ;;
*AMD\ K7*|*AMD\ Athlon*) 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="-march=r2000" ;;
*\ MIPS\ R3000\ *) FLAGS="-march=r3000" ;;
*\ MIPS\ R3000A\ *) FLAGS="-march=r3000" ;;
*\ Toshiba\ TX3912\ *) FLAGS="-march=r3900" ;;
*\ Toshiba\ TX392[27]\ *) FLAGS="-march=r3900" ;;
*\ MIPS\ R4000\ *) FLAGS="-mtune=r4000 -mips2" ;; # really mips3
*\ MIPS\ R4400\ *) FLAGS="-mtune=r4400 -mips2" ;; # really mips3
*\ NEC\ VR4100\ *) FLAGS="-mtune=r4100 -mips2" ;; # really mips3
*\ NEC\ VR4300\ *) FLAGS="-mtune=r4300 -mips2" ;; # really mips3
*\ QED\ R4600\ *) FLAGS="-mtune=r4600 -mips2" ;; # really mips3
*\ MIPS\ R5000\ *) FLAGS="-mtune=r5000 -mips2" ;; # really mips4
*\ QED\ RM5200\ *) FLAGS="-mtune=r5000 -mips2" ;; # really mips4
*\ MIPS\ R6000\ *) FLAGS="-mtune=r6000 -mips2" ;;
*\ MIPS\ R8000\ *) FLAGS="-mtune=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
603e\ *|603ev\ *) FLAGS='-mcpu=603e' ;; # Umax C500 / PM4400
604\ *) FLAGS='-mcpu=604' ;; # Mac 8500
604ev\ *) FLAGS='-mcpu=604e' ;; # upgr B&W G3
620\ *) FLAGS='-mcpu=620' ;; # Untested
7400\ *) FLAGS='-mcpu=7400' ;; # AGP G4/400 Mac
7410\ *) FLAGS='-mcpu=7400' ;; # powerbook g4
740\ *) FLAGS='-mcpu=740' ;; # Untested
7450\ *) FLAGS='-mcpu=7450' ;; # tibook 550
750\ *) FLAGS='-mcpu=750' ;; # Untested
esac ;;
sparc | sparc64) case " $hw_model" in # Examples
*[\ \(]MB86900/1A*) FLAGS='-mcpu=cypress' ;; # ss1+
*[\ \(]L64811*) FLAGS='-mcpu=cypress' ;; # sun4/sun4c
*[\ \(]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=hypersparc' ;; # 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 ;;
x86_64) # No x86_64 specific gcc optimisations yet
NONE=1
;;
vax) # No VAX specific gcc optimisations available
NONE=1
;;
esac
############
# Everything from this point common between all cpuflags variants.
if [ -n "$opt_v" ] ; then
if [ -z "$NONE" ] ; then
echo "CPUFLAGS=Unknown"
else
echo "CPUFLAGS=None"
fi
display_hw_details
exit
fi
if [ -z "$FLAGS" -a -z "$NONE" ] ; then
echo 'Unknown machine - please send details to abs@netbsd.org' >&2
display_hw_details >&2
fi
# Fixup options for older gccs.
# Entries can be recursive - eg:
# -march=k6-3 -> -march=k6 -> -march=pentium -> -march=i486
#
# The format of table is
# gcc_version_in_which_option_was_introduced new_option old_option
if [ -n "$FLAGS" ]; then
gcc_ver=`${CC} -dumpversion | sed 's/^egcs-//'`
FLAGS=`awk -F: -v "flags=$FLAGS" -v "gcc_ver=$gcc_ver" '
{ if (gcc_ver < $1){map[$2] = ""$3} }
END { while (flags in map) {flags = map[flags]} print flags }
' <<EOD
2.90:-march=i386:-mno-486
2.90:-march=i486:-m486
2.90:-march=pentium:-m486
2.90:-march=pentiumpro:-m486
2.90:-mcpu=21164a:
2.90:-mcpu=arm610:-m6
2.90:-mcpu=arm710:-m6
2.90:-mcpu=cypress:-mcypress
2.90:-mcpu=sparclite:-msparclite
2.90:-mcpu=strongarm110:-m6
2.90:-mcpu=supersparc:-msupersparc
2.90:-mcpu=v9:-mv8
2.95:-march=k6:-march=pentium
3.0:-march=athlon:-march=pentiumpro
3.1:-march=athlon-4:-march=athlon
3.1:-march=athlon-mp:-march=athlon
3.1:-march=athlon-tbird:-march=athlon
3.1:-march=athlon-xp:-march=athlon
3.1:-march=k6-2:-march=k6
3.1:-march=k6-3:-march=k6
3.1:-march=pentium-mmx:-march=pentium
3.1:-march=pentium2:-march=pentiumpro
3.1:-march=pentium3 -mno-sse:-march=pentiumpro
3.1:-march=pentium3:-march=pentiumpro
3.1:-march=pentium4:-march=pentiumpro
3.1:-march=r2000:-cpu=r2000
3.1:-march=r3000:-cpu=r3000
3.1:-march=r3900:-cpu=r3900
3.1:-march=r4000:-cpu=r4000
3.1:-march=r4100:-cpu=r4100
3.1:-march=r4300:-cpu=r4300
3.1:-march=r4400:-cpu=r4400
3.1:-march=r4600:-cpu=r4600
3.1:-march=r5000:-cpu=r5000
3.1:-march=r6000:-cpu=r6000
3.1:-march=r8000:-cpu=r8000
3.1:-mcpu=21264a:-mcpu=21264
3.1:-mcpu=7400:-mcpu=750
3.1:-mcpu=7450:-mcpu=750
3.1:-mtune=r2000:-cpu=r2000
3.1:-mtune=r3000:-cpu=r3000
3.1:-mtune=r3900:-cpu=r3900
3.1:-mtune=r4000:-cpu=r4000
3.1:-mtune=r4100:-cpu=r4100
3.1:-mtune=r4300:-cpu=r4300
3.1:-mtune=r4400:-cpu=r4400
3.1:-mtune=r4600:-cpu=r4600
3.1:-mtune=r5000:-cpu=r5000
3.1:-mtune=r6000:-cpu=r6000
3.1:-mtune=r8000:-cpu=r8000
3.3:-march=c3:-march=i586
3.3:-march=winchip-c6:-march=i586
3.3:-march=winchip2:-march=i586
3.4:-march=athlon-fx:-march=athlon-xp
3.4:-march=athlon64:-march=athlon-xp
3.4:-march=c3-2:-march=c3
3.4:-march=k8:-march=athlon-xp
3.4:-march=nocona:-march=pentium4
3.4:-march=opteron:-march=athlon-xp
3.4:-march=pentium-m:-march=pentium3
3.4:-march=pentium3m:-march=pentium3
3.4:-march=pentium4m:-march=pentium4
3.4:-march=prescott:-march=pentium4
EOD
`
fi
echo $FLAGS
exit 0
|
