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Date: Wed, 19 Feb 1997 20:39:32 +0900
From: KATO Takenori <kato@eclogite.eps.nagoya-u.ac.jp>
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$B2CF#!wL>Bg4d9[$G$9!%(B

> >    locore.s$B$K!$(B
> >        cli
> >        wbinvd
> >        movl    %cr0, %eax
> >        andl    $(~CR0_CD | CR0_NW), %eax     # CD = 0 and NW = 0
> >        movl    %ebx, %cr0
> >        sti
> 
> $B$3$l$rM-8z$K$7$F!"%+!<%M%k$r%3%s%Q%$%k$9$k$H(B
> cpp $B!JCfN,!K(B ../../pc98/i386/locore.s | as  -o locore.o
> ../../pc98/i386/locore.s: Assembler messages:
> ../../pc98/i386/locore.s:865: Error: Unimplemented segment type 6 in parse_operand
> *** Error code 1
> Stop.
> $B$H!"$H$^$C$F$7$^$&$N$G$9$,2?8N$J$s$G$7$g$&$+!)!)(B
> $B$A$J$_$K!"(B:865: $B$H$O!"(B# CD = 0 and NW = 0 $B$N9T$N;v$G$9!#(B

$B$J$s$+$\$1$?$3$H=q$$$A$c$C$?$N$+$J!)0BA4Bh0l$G=q$-D>$7$F$_$^$9!%(B

	pushfl
	cli
	movl	%cr0, %eax
	orl	$0x40000000, %eax	# CD = 1
	movl	%eax, %cr0
	wbinvd
	andl	$0x9fffffff, %eax	# CD = 0 and NW = 0
	movl	%eax, %cr0
	popfl

$B$G$I$&$G$7$g$&!)(B


> $B$3$3$G$N%*%W%7%g%s$O!"(B/on /off $B$G%-%c%C%7%e$N(B on,off$B!"(B
> /we,/wd $B$G!"%i%$%H%P%C%/%-%c%C%7%e$N(B on,off $B$G$9!#(B 

	excache /on /we
	excache /on /wd

$B$G$I$&$J$j$^$9$+!)$3$l$G$I$A$i$b(B

	CD = 0

$B$J$i!$(BWB/#WT$B$r$$$8$C$F$$$k2DG=@-$,9b$$$G$9!%$=$&$J$k$H!$%3%s%H%m!<%kJ}(B
$BK!$rCN$i$J$$$H<BAu$G$-$^$;$s!%(B

----
KATO Takenori <kato@eclogite.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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