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To: FreeBSD-tech-jp@jp.freebsd.org
cc: yokota@zodiac.mech.utsunomiya-u.ac.jp
In-reply-to: Your message of "Thu, 24 Jul 1997 16:43:45 JST."
             <199707240743.QAA04244@gneiss.eps.nagoya-u.ac.jp> 
References: <199707230633.PAA12927@zodiac.mech.utsunomiya-u.ac.jp>  <199707240743.QAA04244@gneiss.eps.nagoya-u.ac.jp> 
Date: Fri, 25 Jul 1997 23:00:50 +0900
From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
Reply-To: FreeBSD-tech-jp@jp.freebsd.org
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X-Distribute: distribute [version 2.1 (Alpha) patchlevel=20]
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Subject: [FreeBSD-tech-jp 369] Re: 2.2.2-RELEASE 
	=?ISO-2022-JP?B?GyRCJEckTklUNnE5ZxsoQg==?=  
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$@2#ED!w1'ET5\$G$9!#(J

>$@$+$H$&!wL>Bg4d9[$G$9!%(J
>
>From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
>Subject: [FreeBSD-tech-jp 343] Re: 2.2.2-RELEASE $@$G$NIT6q9g(J 
>Date: Wed, 23 Jul 1997 15:33:08 +0900
>
>> $@%A$G$O(J PentiumPro (cpu == CPU_686)$@$G$"$k>l9g$K8B$C$FNc30=hM}%k!<%A%s$N(J
>> $@Cf$G$3$l$rL5;k$7$^$9!#(J(NetBSD $@$G$O$I$N(J CPU$@$G$"$C$F$bL5;k$9$k$h$&$K$J$C(J
>> $@$F$$$k$h$&$G$9(J)
>
>$@0JA0$+$i!$$3$N<j$N%3!<%I$,5$$K$J$C$F$$$F!$>-Mh(Jcpu$@$r8+$FH=CG$9$k(Jif$@J8$,(J
>$@KD$l>e$,$C$?$i$9$4$/%@%5%$$J$!$H;W$C$F$$$^$7$?!%(J
>
>VirtualPC$@$GOCBj$K$J$C$?(JTSC$@$b$=$&$J$N$G$9$,!$(J
>
>  1. $@3F5!G=$4$H$K%U%i%0$H$J$k%0%m!<%P%kJQ?t(J(cpu_feature$@$b4^$`(J)$@$r;}$D!%(J
>  2. $@>r7oJ,4t$G$O!$$=$NJQ?t$r8+$k!%(J
>  3. $@JQ?t$O=i4|2=$N;~$K(JCPU$@$d%j%S%8%g%s$J$I$r8+$F@_Dj$9$k!%(J
>
>$@$H$7$?$i$h$$$N$G$O$J$$$+$H;W$$$^$9!%>r7oJ,4t$,(J1$@8D=j$J$iNI$$$N$G$9$,!$(J
>$@J#?t$"$k>l9g$OF~$lK:$l$N4m81$,B8:_$7$^$9!%$=$$$&@x:_E*$J4m81@-$OGS=|$9(J
>$@$Y$-$H$$$&$N$,;d$N9M$($G$9!%(J
>
>$@$?$H$($P!$(Jtrap.c$@$G$O!$(J(cpu == CPU_686)$@$G$O$J$/!$Nc$($P(J
>(cpu_local_apic_bug == TRUE)$@$N$h$&$K$7$F$*$-!$JL$N>l=j$G(Jcpu_local_bug
>$@$r%;%C%H$9$k$H$$$&$N$O$I$&$G$7$g$&$+!%(J

$@A4LLE*$K;?@.(J!!

>$@2CF#!wL>Bg4d9[$G$9!%(J
>
>From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
>Subject: [FreeBSD-tech-jp 349] Re: 2.2.2-RELEASE $@$G$NIT6q9g(J 
>Date: Thu, 24 Jul 1997 01:18:52 +0900
>
>> $@$=$&$G$9$+!#$=$l$G$O$*$C$7$c$k$H$*$j!$%7%s%0%k(J CPU $@4D6-$G$O(J initcpu.c $@$G(J
>> 
>>     if ((cpu == CPU_686) && (strcmp(cpu_vendor, "GenuineIntel") == 0) &&
>>         ((cpu_id & 0xf) < 9)) {
>>         ...disable local APIC...
>>     }
>> 
>> $@$H$9$k$N$,$h$$$h$&$G$9$M!#(J
>
>$@$3$s$J$+$s$8$N%3!<%I$G$I$&$G$7$g$&$+!)(J
>
>init_ppro(void)
>{
>        quad_t  apicbase;
>
>#ifndef SMP
>        /*
>         * Local APIC should be disabled in uniprocessor system.
>         */
>       apicbase = rdmsr(0x1b);
>       apicbase &= ~0x800LL;
>       wrmsr(0x1b, apicbase);
>#endif /* !SMP */
>}

$@$^$@(J APIC $@$N%W%m%0%i%_%s%0$K$D$$$F$-$A$s$HM}2r$7$F$$$J$$$N$G30$7$F$$$k(J
$@$N$+$b$7$l$^$;$s$,!$(JAPIC $@$O(J MSR $@$G(J enable/disable $@$9$k$N$G$O$J$/!$%a%b(J
$@%j6u4V>e$K%^%C%W$5$l$?(JAPIC $@$N%l%8%9%?$N$&$A$N(J spurious vector register 
$@$rA`:n$9$k$N$G$O$J$$$+$H(J...
