103 lines
2.9 KiB
Bash
Executable file
103 lines
2.9 KiB
Bash
Executable file
#!/bin/sh
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# $NetBSD: cpuflags.NetBSD,v 1.16 2002/01/01 17:01:26 abs Exp $
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if [ -x /sbin/sysctl ] ;then
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SYSCTL=/sbin/sysctl
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else
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SYSCTL=/usr/sbin/sysctl # NetBSD 1.3
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fi
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hw_model=`$SYSCTL -n hw.model`
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hw_machine=`$SYSCTL -n hw.machine`
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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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case $hw_model in
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# i386
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*386-class*) FLAGS='-march=i386' ;;
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*486-class*) FLAGS='-march=i486' ;;
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*AMD\ K6*) FLAGS='-march=k6' ;;
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*586-class*) FLAGS='-march=pentium' ;;
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*686-class*) FLAGS='-march=pentiumpro' ;;
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#
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# sparc
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MB86904* | MB86907*) FLAGS="-mcpu=supersparc" ;; # ss5
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TMS390Z50*) FLAGS="-mcpu=supersparc" ;; # ss10/ss20
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MB86930* | MB86934*) FLAGS="-mcpu=sparclite" ;; # from gcc
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MB86900/1A*) FLAGS="-mcpu=cypress" ;; # ss1+
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CY7C601*) FLAGS="-mcpu=cypress" ;; # ss2
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W8601/8701*) FLAGS="-mcpu=cypress" ;; # elc
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# under 1.5.1 -mcpu=ultrasparc chokes egcs-2.91.66 compiling perl
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SUNW,UltraSPARC*) FLAGS="-mcpu=v9" ;; # Ultra
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#
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# arm32
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ARM610*) FLAGS="-mcpu=arm610" ;; # risc pc
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ARM710*) FLAGS="-mcpu=arm710" ;; # risc pc
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SA-110*)
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case $hw_machine in # arm32 split post 1.5
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cats|dnard|hpcarm|netwinder)
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FLAGS="-mcpu=strongarm110" ;;
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acorn32)
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FLAGS="-march=armv3m -mtune=strongarm" ;;
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*)
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# The memorybus in strongarm risc pc machines cannot support
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# certain strongarm instructions, but in 1.5 and earlier all
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# strongarm machines are 'arm32', so uname and sysctl no use
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if egrep -q ofbus0|footbridge0 /var/run/dmesg.boot 2>/dev/null \
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; then
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FLAGS="-mcpu=strongarm110" # dnard/cats
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else
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FLAGS="-march=armv3m -mtune=strongarm" # risc pc
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fi
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esac ;;
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#
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# alpha / vax / unknown
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*)
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case $hw_machine in
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alpha)
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# cpu0 at mainbus0: ID 0 (primary), 21164A-0 (unknown ...
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if egrep -q '^cpu0.*21164A' /var/run/dmesg.boot 2>/dev/null \
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; then
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FLAGS="-mcpu=21164a"
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fi
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# Need to confirm how other CPUs probe
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;; # No VAX specific gcc flags :(
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vax)
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;; # No VAX specific gcc flags :(
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*)
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echo "Unknown hw.model '$hw_model'" >&2
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echo "Please send machine details to abs@netbsd.org" >&2
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esac
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esac
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# Fixup flags for old gcc
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if [ -n "$FLAGS" ]; then
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gcc_ver=`gcc -v 2>&1 | awk '/gcc version/ {sub("egcs-","");print $3}'`
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FLAGS=`awk -v "flags=$FLAGS" -v "gcc_ver=$gcc_ver" '
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{if (gcc_ver < $1){map[$2] = ""$3}}
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END{if (flags in map) {print map[flags]}else {print flags}}
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' <<EOD
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2.90 -mcpu=21164a
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2.90 -march=i386 -mno-486
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2.90 -march=i486 -m486
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2.90 -march=pentium -m486
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2.90 -march=pentiumpro -m486
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2.90 -mcpu=supersparc -msupersparc
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2.90 -mcpu=sparclite -msparclite
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2.90 -mcpu=cypress -mcypress
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2.90 -mcpu=v9 -mv8
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2.90 -mcpu=arm610 -m6
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2.90 -mcpu=strongarm110 -m6
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2.90 -mcpu=arm710 -m6
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2.95 -march=k6 -march=pentium
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EOD
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`
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fi
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echo $FLAGS
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exit 0
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