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Date: Sun, 13 Dec 1998 11:40:16 +0900
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Subject: [FreeBSD-tech-jp 1931] Re: USB =?ISO-2022-JP?B?GyRCJE4bKEI=?=
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$B<F3@!w;0I)EE5!$G$9!#(B

From: Tadashi Takahashi <tadashi@best.com>
Subject: [FreeBSD-tech-jp 1930] USB $B$N@_Dj(B 
Date: Sat, 12 Dec 1998 12:16:03 +0900
Message-ID: <199812122016.MAA18932@fujitsuI.fujitsu.com>

> >>> $B!!$3$l8+$F<+J,$N%_%9$K5$$,$D$-$^$7$?!#$&$A$N%^%7%s$G$O(B int a $B$,(B irq 11
> >>> $B$K$J$C$F$k(B(VGA)$B$N$K!"(BUSB $B$N(B int d $B$b(B irq 11 $B$K(B map $B$7$F$7$^$C$F$$$?$N$,(B
> >>> $B860x!D!D!#6u$$$F$$$k(B irq 9 $B$K(B map $B$9$k$h$&$K$7$?$i(B spl0() $B$b$9$s$J$j$$$/(B
> >>> $B$h$&$K$J$j$^$7$?!#46<U46<U!#(B

> >$B$3$l$C$F6qBNE*$K$O$I$&$d$k$N$G$7$g$&$+!#(B
> >$B$&$A$G$O(B irq 255 $B$HI=<($5$lG'<1$5$;$k$3$H$,$G$-$^$;$s!#(B

tadashi> irq 255 $B$HI=<($5$l$k$N$O(B pnp $B%j%=!<%9$N3d$jEv$F$,$^$@9T$o$l$F$$$J(B
tadashi> $B$$$?$a$@$H;W$$$^$9!#(BBIOS $B@_Dj2hLL$G(B

$B;d$O(BNote$B$7$+;H$o$J$$?M4V$J$N$G(Bpnp$B$,$$$+$J$k$b$N$+CN$i$J$$$N$G$9$,!"(Bpci
device$B$N>l9g$O4X78$J$$$N$G$O$J$$$G$7$g$&$+!#(B($B$C$F(BLegacy mode$B$G;H$C$F$$(B
$B$l$POC$O0c$&$H;W$$$^$9$,!"(BUSB controller$B$K$=$s$J$b$N$O$J$$$h$&$J5$$,$7(B
$B$^$9(B)

$B$3$l$O$=$&$G$O$J$/$F!"(BPCI-ISA bridge$B$G(Bcontrol$B$5$l$F$$$k(Birq routing$B$,@5(B
$B$7$/9T$o$l$F$$$J$$;~$N8=>]$@$H;W$$$^$9!#(B

tadashi> $B;d$N4D6-$G$O(B USB$B%3%s%H%m!<%i!<$H(B VGA $B$N(B IRQ $B$,F1$8(B 9$BHV$K$J$C$F$$(B
tadashi> $B$^$9!#(BIRQ $B$,=EJ#$7$F$bF0$/$b$N$J$N$G$7$g$&$+(B? $B=EJ#IT2D$N>l9gB>$N(B
tadashi> IRQ $B$r3d$jEv$F$k$K$O$I$&$9$l$PNI$$$N$G$7$g$&$+(B?
tadashi> $B$A$J$_$K(B boot$B;~$N%a%C%;!<%8$O0J2<$NDL$j$G$9!#(B

$B$@$+$i!"7*;3$5$s$O(BVGA$B$H(BUSB controller$B$N(Birq routing$B@h$,$H$b$K(B11$B$@$C$?$N(B
$B$GF0$+$J$+$C$?$N$@$H=q$$$F$$$^$9!#(B

$B$3$N>l9g$b(BVGA$B$H(BUSB controller$B$N(Birq routing$B@h$,$H$b$K(B9$B$G$9$N$GF0$+$J$$(B
$B$H$$$&2DG=@-$,$"$k$o$1$G$9!#(B

$B$H$$$&$3$H$G!"(BPCI-ISA bridge$B$N(BPCI configuration register$B$r$$$8$C$FE,Ev(B
$B$KJQ$($F$d$C$?$iNI$$$N$G$O$J$$$G$7$g$&$+!#(B

# irq routing$B@h$,=EJ#$7$F$h$&$,K\Mh$OF0$$$F$7$+$k$Y$-$@$H;W$&$N$@$1$I!#(B

$B<F3@(B $B0R(B
ie9t-sbgk@asahi-net.or.jp, shiba@jp.freebsd.org
