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Date: Thu, 14 Jan 1999 15:24:18 +0900
To: FreeBSD-users-jp@jp.freebsd.org
From: BunpeiMatoba <bm@pt.smicec.co.jp>
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References: <Your message of "Thu, 14 Jan 1999 11:22:31 +0900">
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Subject: [FreeBSD-users-jp 37444] Re: BIOS (Re: y2k problem)
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$B=;6b@)8f$NE*>l$G$9!%(B

$BHSEg$5$sAGAa$$%j%W%i%$$"$j$,$H$&$4$6$$$^$9!%(B

At 11:42 99/01/14 +0900, IIJIMA Akihiro <aki@noc.titech.ac.jp> wrote:
>  > $B!X(BFreeBSD $B$,(B BIOS $B$+$i;~4V$rFI$`$N$O5/F0;~$@$1$@$+$i!"(B
> 
> > kern_time.c$B$K4^$^$l$k(Bsettimeofday$B%7%9%F%`%3!<%k$NCf$G(B
> > $B8F$S=P$5$l$F$$$k$5$l$F$$$k(Bsplclock()$B$N<BBV$O(B
> > $B$I$N%=!<%9%U%!%$%k$GDj5A$5$l$F$$$k4X?t$J$N$G$7$g$&$+!)(B
> 
> /sys/i386/include/spl.h $B$+$J(B
> kernel$B$N(B splXXX()$B4X?t$O(B $B3d$j9~$_$r6X;_$9$k$?$a$N$b$N$G$9!#(B
> $B$3$N>l9g$O(B $B0l;~E*$K(B clock$B3d$j9~$_$r6X;_$9$k!#(B

$B$J$k$[$I!$G<F@$7$^$7$?!%(B
$BJ,NL$N$"$k4X?t$@$m$&$H$$$&@hF~4Q$K$H$i$o$l$A$c$C$F$^$7$?!%(B

$B$H$3$m$G!$(Bsettimeofday$B$NCf$G(BCMOS RTC$B$K;~4V$N%;%C%H$r9T$J$&$N$O!$(B
$B4X?t(Bresettodr() /*$B!!(BRESET Time Of Day Register */
$B$r8F$S=P$7$F$$$kItJ,$G$9$M!%(B
$B$=$NFbMF$O(B/sys/i386/isa$B$N(Bclock.c$B$K%3!<%G%#%s%0$5$l$F$$$F!$(B
$B$3$NCf$G!$(BRTC$B$K%"%/%;%9$7$F$$$k!%(B

$B$I$&$b>e5-$N!V(BBIOS $B$+$i;~4V$rFI$`!W$H$$$&I=8=$K$h$kF0:n$h$j$b(B
$B<BBN$O!$(BRTC$B$N(BIO$B%]!<%H$KD>$K%"%/%;%9$7$F;~9o$rFI$_=P$9$H$$$&(B
$BA`:n$r$7$F$$$k$H;W$$$^$9(B.

RTC$B$NCM$r$I$&07$&$+$K$D$$$F>/$7$:$D8+$($F$-$^$7$?!%(B
$B2,K\$5$s!$$b$&>/$7$*BT$A$r!*(B

--
Bunpei Matoba
Computer System Division
SuMIkin Control Engineering Corp. 
Amagasaki Japan
Phone: +81-6-418-4707    fax. +81-6-418-4764 
Nifty-Serve: JAE00767   CompuServe: 72300,3551
http://www.nerimadors.or.jp/~bunpei/index.html
