#!/bin/sh # $NetBSD: cpuflags.NetBSD,v 1.40 2003/06/08 12:44:10 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*) FLAGS='-m68020' ;; # Untested *\(68030*) FLAGS='-m68030' ;; # Mac LC III *\(68040*) FLAGS='-m68040' ;; # Untested *\(68060*) 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}} ' <