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#!/bin/sh
# $NetBSD: cpuflags.NetBSD,v 1.3 2001/06/07 16:05:10 abs Exp $
gcc_ver=`gcc -v 2>&1 | awk '/gcc version/ {print $3}'`
hw_model=`sysctl -n hw.model`
case $gcc_ver in
egcs* )
gcc_ver=2.8 ;;
esac
if [ "$gcc_ver" \< 2.8 ];then # Old gcc, such as in NetBSD 1.3
case $hw_model in
# i386
*386-class*) FLAGS='-mno-486' ;;
*486-class*) FLAGS='-m486' ;;
*586-class*) FLAGS='-m486' ;;
*686-class*) FLAGS='-m486' ;;
#
# sparc
MB86904* | MB86907*) FLAGS="-msupersparc" ;; # ss5
TMS390Z50*) FLAGS="-msupersparc" ;; # ss10/ss20
MB86930* | MB86934*) FLAGS="-msparclite" ;; # from gcc
MB86900/1A*) FLAGS="-mcypress" ;; # ss1+
#
# arm
SA-110*) FLAGS="" ;; # shark
#
*) echo "Unknown hw.model '$hw_model'" >&2
esac
else # Modern gcc
case $hw_model in
# i386
*386-class*) FLAGS='-march=i386' ;;
*486-class*) FLAGS='-march=i486' ;;
*586-class*) FLAGS='-march=pentium' ;;
*686-class*) FLAGS='-march=pentiumpro' ;;
#
# sparc
MB86904* | MB86907*) FLAGS="-mcpu=supersparc" ;; # ss5
TMS390Z50*) FLAGS="-mcpu=supersparc" ;; # ss10/ss20
MB86930* | MB86934*) FLAGS="-mcpu=sparclite" ;; # from gcc
MB86900/1A*) FLAGS="-mcpu=cypress" ;; # ss1+
#
# arm32
ARM610*) FLAGS="-mcpu=arm610" ;; # risc pc
ARM710*) FLAGS="-mcpu=arm710" ;; # risc pc
SA-110*)
# The memorybus in strongarm risc pc machines cannot support
# certain strongarm instructions, but we cannot tell a shark
# from such a risc pc via uname or sysctl (Certainly for 1.5)
if grep -q ofbus0 /var/run/dmesg.boot 2>/dev/null ; then
FLAGS="-mcpu=strongarm110" # shark
else
FLAGS="-march=armv3m -mtune=strongarm" # risc pc
fi ;;
#
*) echo "Unknown hw.model '$hw_model'" >&2
esac
fi
echo $FLAGS
exit 0
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