From owner-FreeBSD-users-jp@jp.freebsd.org  Sat Jul  5 00:25:34 1997
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To: freebsd-users-jp@jp.freebsd.org
From: KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp>
In-Reply-To: Your message of "Fri, 4 Jul 1997 23:37:32 +0900 (JST)"
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Date: Sat, 05 Jul 1997 00:25:32 +0900
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Subject: [FreeBSD-users-jp 15295] Re: 32bit OS
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$B2CF#!wL>Bg4d9[$G$9!%(B


FreeBSD$B$H$ON%$l$k$h$&$J5$$,$7$^$9$,!$%V!<%H%3!<%I$d%+!<%M%k$N%=!<%9$r(B
$BFI$`$H$-$OI,?\$NCN<1$@$H;W$&$N$G%U%)%m!<$7$^$9!%(B

$B4V0c$C$F$$$kItJ,$O$I$J$?$+FM$C9~$s$G$/$@$5$$!%(B

From: owner-freebsd-users-jp-digest@jp.freebsd.org
Subject: freebsd-users-jp-digest V1 #1002
Date: Fri, 4 Jul 1997 23:37:32 +0900 (JST)

>   $B$3$N(B 16bit $B%b!<%I$+(B 32bit $B%b!<%I$+$H$$$&$N$O!"%j%"%k%b!<%I$+%W%m%F%/%H(B
> $B%b!<%I$+$H$$$&$N$H$O$^$?JL$G!"(BFreeBSD $B$J$I$O!"(Bboot $B;~$K$^$:%W%m%F%/%H(B
> $B%b!<%I$K0\9T$7!"$5$i$K(B 32bit $B%b!<%I$K0\9T$7$F$+$i(B kernel $B$,F0$/!D$H$+(B
> $B$$$&$h$&$J;EMM$G$O$J$$$+$H;W$$$^$9!#(B

80386 CPU$B%"!<%-%F%/%A%c$r9M$($k$H!$>e5-$N!V(B16bit$B%b!<%I!W$d!V(B32bit$B%b!<(B
$B%I!W$H$$$&$N$O!$!V%*%Z%i%s%I%5%$%:!W$d!V%"%I%l%9%5%$%:!W$N%G%U%)!<%k%H(B
$B$N$3$H$@$H;W$$$^$9!%(B

80386$B$G$O!$(B80286$B$^$G$N(B16bit$B$NBg$-$5$N%l%8%9%?$r3HD%$7$F(B32bit$B$K$7$F$$$^(B
$B$9!%(B32bit$B$NBg$-$5$N%l%8%9%?$rI=$9$H$-$O!$(B
	eax
$B$N$h$&$K!$(B16bit$B$NBg$-$5$N%l%8%9%?$N$"$?$^$K(B`e'$B$r$D$1$^$9!%$=$l$G!$%"%C(B
$B%;%s%V%j8@8l$r;H$C$F$3$l$K%"%/%;%9$9$kNc$r=q$/$H!$(B
	mov	eax, ebx
	mov	ax, bx
$B$H$J$j$^$9!%A0<T$O!$(B32bit$B$NBeF~$G!$8e<T$O(B16$B%S%C%H$NBeF~$r9T$$$^$9!%(B

$B$5$F!$$3$N(B2$B$D$NL?Na$r6hJL$9$k$?$a$K$^$C$?$/0[$J$k(Binstruction set$B$rMQ0U(B
$B$7$F$b$h$+$C$?$N$G$9$,!$(BIntel$B$O!V%*%Z%i%s%I%5%$%:%W%l%U%#%C%/%9!W$H(B
$B!V%"%I%l%9%5%$%:%W%l%U%#%C%/%9!W$H$$$&$b$N$r:NMQ$7$^$7$?!%!V%W%l%U%#%C(B
$B%/%9!W$H$O!$(Binstruction$B$N$"$?$^$K$/$C$D$1$F!$B3$/L?Na$NFbMF$r=$@5$9$k(B
$B$b$N$G$9!%(B

80386$B$G$O!$%*%Z%i%s%I%5%$%:$d%"%I%l%9%5%$%:$N$G%U%)!<%k%H$ND9$5$r(B16bit
$B$+(B32bit$B$+A*Br$G$-$^$9!%$b$7!$%G%U%)!<%k%H$,(B16bit$B$J$i!$(B
	mov	ax, bx		#	(A)
$B$NF,$K%*%Z%i%s%I%5%$%:%W%l%U%#%C%/%9$rIU$1$k$3$H$K$h$j(B,
	mov	eax, ebx	#	(B)
$B$H$$$&L?Na$K$J$j$^$9!%$^$?!$%G%U%)!<%k%H$,(B32bit$B$J$i!$(B
	mov	eax, ebx	#	(C)
$B$NF,$K%*%Z%i%s%I%5%$%:%W%l%U%#%C%/%9$rIU$1$k$3$H$K$h$j!$(B
	mov	ax, bx		#	(D)
$B$H$$$&L?Na$K$J$j$^$9!%$3$3$G=EMW$J$N$O!$(B(A)$B$H(B(C)$B$O!$A4$/F1$8%^%7%s8lL?(B
$BNa$K$J$j$^$9!%$9$J$o$A!$F1$8%3!<%I$,%G%U%)!<%k%H$N%5%$%:$K$h$C$F0[$J$k(B
$BL?Na$K$J$j$^$9!%(B

$B$5$F!$(B80386$B$O%j%;%C%HD>8e$O%j%"%k%b!<%I$K$J$C$F$$$^$9!%$3$N;~$O%G%U%)!<(B
$B%k%H$O(B16bit$B8GDj$G$"$j!$JQ$($k$3$H$O$G$-$^$;$s!%%W%m%F%/%H%b!<%I$K0\9T(B
$B$9$k$H!$$3$l$rJQ$($k$3$H$,2DG=$K$J$j$^$9!%$7$+$7!$9%$->!<j$K$$$D$G$b$I(B
$B$3$G$bJQ$($i$l$k$o$1$G$O$J$/(B,$B%;%0%a%s%H$4$H$K%G%#%9%/%j%W%?!<%F!<%V%k(B
$B$G;XDj$7$^$9!%$b$7!$%5%$%:$,(B16bit$B$K$J$C$F$$$k%;%0%a%s%H$G$"$l$P!$(Beax$B$J(B
$B$I!$(B32bit$BD9$N%l%8%9%?$r;H$&$H$-$O!$%*%Z%i%s%I%5%$%:%W%l%U%#%C%/%9$d%"(B
$B%I%l%9%5%$%:%W%l%U%#%C%/%9$,I,MW$K$J$j$^$9!%$^$?!$(B32bit$B$K$J$C$F$$$l$P!$(B
16bit$BD9$N%l%8%9%?$r;H$&$H$-$K%W%l%U%#%C%/%9$rIU$1$kI,MW$,$"$j$^$9!%(B

$B%G%U%)!<%k%H$ND9$5$N0[$J$k%G%#%9%/%j%W%?!<%F!<%V%k$r$$$m$$$mMQ0U$7$F$*(B
$B$1$P!$%;%l%/%?$NCM$rJQ$($k$3$H$K$h$C$F%G%U%)!<%k%H$ND9$5$,JQ2=$9$k;E3](B
$B$1$K$J$C$F$$$^$9!%(B

FreeBSD$B$O$H$j$"$($:!$%W%m%F%/%H%b!<%I$G%G%U%)!<%k%H$r(B32bit$BD9$K$7$FF0$$(B
$B$F$$$k$H9M$($F$b$i$C$F$+$^$o$J$$$H;W$$$^$9!%(B($B$b$A$m$s!$Nc30$O$"$j$^$9!%(B
$B%V!<%H%3!<%I8+$k$H0lH/$G$9!%(B)


----
KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp>
Dept. Earth Planet. Sci., Nagoya Univ.,  Nagoya, 464-01, Japan
PGP public key: finger kato@eclogite.eps.nagoya-u.ac.jp
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