81 lines
2.1 KiB
Text
81 lines
2.1 KiB
Text
# $NetBSD: subr_FreeBSD,v 1.4 2010/12/05 11:19:39 abs Exp $
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AWK=awk
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SED=sed
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display_hw_details()
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{
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cat <<END
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OS : '$(uname)'
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hw.model : '$hw_model'
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hw.machine : '$hw_machine'
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hw.machine_arch : '$hw_machine_arch'
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cpu details :
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END
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$SED -n '/^CPU:/{N;N;N;N;N;N;N;s/\n[^ ].*//g;/\n /p;}' \
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/var/run/dmesg.boot 2>/dev/null
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}
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extract_hw_details()
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{
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hw_model=$(sysctl -n hw.model | $SED 's/(R)//g;s/([tT][mM])//g')
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hw_machine=$(sysctl -n hw.machine)
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hw_machine_arch=$(sysctl -n hw.machine_arch)
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# We're almost certainly crosscompiling
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if [ -n "$MACHINE" -a "$hw_machine" != "$MACHINE" ]; then
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echo
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exit
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fi
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}
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determine_arch()
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{
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ARCH=
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# When adding $hw_model tests use maximum context (such as trailing space)
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case $hw_machine_arch in
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i386) case $hw_model in
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Pentium\ II*) ARCH='-march=pentium2' ;;
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Intel\ Pentium\ III\ *) ARCH='-march=pentium3' ;;
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Intel\ Pentium\ 4\ *) ARCH='-march=pentium4' ;;
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Intel\ Core2\ *) ARCH='-march=core2' ;;
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AMD\ Athlon\ XP*) ARCH='-march=athlon-xp' ;;
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AMD\ Sempron\ Processor\ *) ARCH='-march=athlon-xp' ;;
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# last resort:
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*386-class*) ARCH='-march=i386' ;;
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*486-class*) ARCH='-march=i486' ;;
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*586-class*) ARCH='-march=pentium' ;;
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*686-class*) ARCH='-march=pentiumpro' ;;
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esac ;;
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amd64) case $hw_model in
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AMD\ Sempron\ Processor\ *) ARCH='-march=athlon64' ;;
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esac ;;
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esac
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echo $ARCH
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}
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determine_features()
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{
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FEATURES=
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dmesg_features=$(echo $($SED -n \
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's/.* Features[0-9]\{0,1\}=0x[0-9a-f]\{1,\}<\(.*\)>$/\1/p' \
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/var/run/dmesg.boot 2>/dev/null | $SED 's/,/ /g'))
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case $hw_machine_arch in
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i386 | amd64) case " $dmesg_features " in
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*" SSE3 "*) FEATURES="-mfpmath=sse -msse3" ;;
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*" SSE2 "*) FEATURES="-mfpmath=sse -msse2" ;;
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*" SSE "*) FEATURES="-mfpmath=sse -msse" ;;
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*" MMX "*) FEATURES="-mmmx" ;;
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esac
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if [ -z "$FEATURES" ]; then # FEATURES empty: jail?
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# failover: try sse from sysctl db
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if [ "$(sysctl -n hw.instruction_sse 2>/dev/null)" = 1 ]; then
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FEATURES="-mfpmath=sse -msse"
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fi
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fi
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esac
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echo $FEATURES
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}
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