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Date: Mon, 07 Jul 1997 19:25:04 -0700
From: Hideki Hiura <hiura@bakabon.Eng.Sun.COM>
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Subject: [FreeBSD-users-jp 15470] Re: KernelSource
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> From: HirohitoHiguchi <hirohito@msi.biglobe.ne.jp>
> $B$&!<$s!"6/$$$F$$$($P$3$NA0$b=q$$$?$h$&$K#8%S%C%H%^%$%3%s$N(BUnix
> $B%i%$%/$J(BOS$B$r:n$j$?$$$N$G$9$,!"$H$7$+Ez$($h$&$,$"$j$^$;$s!#(B

8bit CPU $B$@$H!"(Bhardware $BFC8"%l%Y%k$b!"(BVM $B<BAu$KIT2D7g$J(B
fault $B$+$i$N:F3+!?:F<B9T$O$*$m$+!"C1$J$k(B MMU $B$9$i$J$$$N$,(B
$BB?$$$G$9$h$M!#(B

# $B$G!"(Btarget $B$O$I$N(B CPU $B$J$s$G$7$g$&!)(B
# $B85(B kernel $B20$N;d$H$7$F$O6=L#DE!9$@$C$?$j$7$^$9(B ;-)

port $B$9$k$N$J$i$H$b$+$/!"$3$NL\E*$NJY6/$K$O!":#$N(B BSD kernel $B$O(B
$BBg$-$9$.$F!"$"$^$j8zN($,$h$/$J$$$N$G$O$J$$$G$7$g$&$+!)(B

locore.s $B$+$iFI$_;O$a$?!"$H$$$&;v$G$9$,!"$3$3$O!"(BMMU $BEy(B hardware
$B$d3d$j9~$_%^%9%/!"(Bregister $BEy$N(B set up $B$J$I$r$9$kItJ,$G!"$I$NDxEY(B
8bit CPU $BMQ(B kernel $B$NJY6/$K8zN(E*$+(B($BL5BL$@$H$O8@$$$^$;$s$,(B)$B5?Ld$G$9!#(B

$BK\$NL>A0$r<:G0$7$F$7$^$$$^$7$?$,!"$?$7$+!"(BV6 $B$"$?$j$N(B kernel
$B%=!<%9$KC`0l%3%a%s%H$r$$$l$?K\$,I|9o$5$l$F$$$^$;$s$G$7$?$C$1!)(B
($B$?$7$+!"(Boriginal $B$r$I$3$+$K;}$C$F$$$?$N$G$9$,!":#$A$g$C$H(B
 $B8+Ev$?$j$^$;$s!#(B)$B$3$A$i$NJ}$,$^$@8~$$$F$$$k$H;W$$$^$9!#(B

> $BMW$O!"$I$&$$$&M}O@$GF0$$$F$$$k$N$+!"$,BgBN2r$l$P$$$$$N$G$9!#(B

$B$3$NL\E*$NJY6/MQ$@$C$?$i!"(Bnachos $B$J$s$+8~$$$F$$$k$H;W$$$^$9!#(B
Berkeley $B$d(B Stanford $B$NBg3X1!$N(B Computer Science $B3X2J$N(B OS $B$N(B
curriculum $B$G;H$o$l$F$?(B($BL$$@$$$k!)(B) C++ $B$G=q$+$l$?>.$5$$(B OS $B$G$9!#(B
MIPS CPU subset $B$N(B emulator $B$,IU$$$F$$$k$N$G!"<B83$d!"(B
hardware $B$r?($kItJ,$N(B step by step $B$N<B9T(B trace $B$^$G!"(B
kernel $B<+?H$N<B9T$r(B symbolic debugger $B$NCf$+$iDI$($F!"(B
$B$+$J$jJY6/$7$d$9$$AG:`$@$H;W$$$^$9!#(B

> $B#8!"$d#5%$%s%A$N%G%#%9%/$C$F:#<j$K$O$$$j$^$9$+$M!)(B

floppy disk $B$N$3$H$G$9$+!)$=$l$H$b(B hard disk?
drive $B$b(B(floppy $B$J$i(B media $B$b(B) 5 inch $B$J$i$^$@8+3]$1$^$9$M!#(B

> $B%+!<%M%k$NKbK!!"$G$bFI$b$&$+$J!)(B

$B$3$l$C$F!"(BMagic garden explained? $B$+2?$+$NK]LuK\$G$7$?$C$1!)(B
$B$@$H$7$?$i!"(BSVR4 kernel $B$N2r@bK\$G$9$h$M!#(B

Hideki HIURA, hideki.hiura@Sun.COM
SunSoft, Inc. Mountain View, CA.
