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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
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<BODY>
<A HREF="ext-root-mini-HOWTO-7.html">¼¡¤Î¥Ú¡¼¥¸</A>
<A HREF="ext-root-mini-HOWTO-5.html">Á°¤Î¥Ú¡¼¥¸</A>
<A HREF="ext-root-mini-HOWTO.html#toc6">Ìܼ¡¤Ø</A>
<HR>
<H2><A NAME="s6">6. all-in-one package ¤Îºî¤êÊý</A></H2>

<P>
<P>Slackware¤Ç¤Ï¿§¡¹¤Ê¥Ç¥Ð¥¤¥¹¥É¥é¥¤¥Ð¤òÁȤߤ³¤ó¤À¥«¡¼¥Í¥ë¤òÍÑ°Õ¤·¤¿¥Õ¥¡
¥¤¥ë¥·¥¹¥Æ¥à(¥Ö¡¼¥È¥Ç¥¤¥¹¥¯)¤È¥¤¥ó¥¹¥È¡¼¥ëÍѤΥե¡¥¤¥ë¥·¥¹¥Æ¥à(¥ë¡¼¥È
¥Ç¥£¥¹¥¯) 2 ËçÁȤǥ¤¥ó¥¹¥È¡¼¥ë¤·¤Þ¤¹¡£¤Þ¤¿¡¢¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë¥È
¥é¥Ö¥ë¤¬È¯À¸¤·¤¿¾ì¹ç¤Ê¤É¤ËÈó¾ïÍѤΥġ¼¥ë°ì¼°¤òÁȤߤ³¤ó¤À¥ë¡¼¥È¥Õ¥¡¥¤¥ë
¥·¥¹¥Æ¥à(¥ì¥¹¥­¥å¡¼¥Ç¥£¥¹¥¯)¤âÍÑ°Õ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£
<P>¤·¤«¤·¡¢2 Ëç¤Î¥Ç¥£¥¹¥¯¤¬É¬Íפʾì¹ç¡¢¥Þ¡¼¥Õ¥£¤Îˡ§¤Îŵ·¿Îã¤È¤·¤Æ¡¢É¬Í×
¤Ê¾ì¹ç¤Ë¤Ï¤É¤Á¤é¤«¤Î¥Ç¥£¥¹¥¯¤¬¸«Åö¤¿¤é¤Ê¤¯¤Ê¤ë¤Î¤Ç(ñ¤Ë»ä¤ËÀ°ÍýǽÎϤ¬
̵¤¤¤¿¤á¤À¤í¤¦¤±¤É¡¢¡¢)¡¢¤³¤ì¤é¤Î 2 Ëçʬ¤Î¥Ç¡¼¥¿¤ò 1 Ëç¤Î¥Õ¥í¥Ã¥Ô¡¼¤Ë
µÍ¤á¤³¤ó¤Ç¤·¤Þ¤¤¤¿¤¯¤Ê¤ê¤Þ¤¹¡£ËÜÀá¤Ç¤Ï 1 Ëç¤Î FD ¤«¤é Linux ¤òµ¯Æ°¤·¡¢
ºÇ¾®¸Â¤Î¥·¥¹¥Æ¥à¤¬Æ°¤¯´Ä¶­¤ò¹½ÃÛ¤¹¤ëÊýË¡(all-in-one package)¤Ë¤Ä¤¤¤ÆÀâ
ÌÀ¤·¤Þ¤¹¡£
<P>all-in-one package ¤òºî¤ëÊýË¡¤È¤·¤Æ¤Ï¡¢Ä̾ï¤Î ramdisk ¤ò»È¤¦ÊýË¡¤È 
initrd ¤ò»È¤¦ÊýË¡¤Î 2 ¤Ä¤¬¤¢¤ê¤Þ¤¹¡£ramdisk ¤ò»È¤¦¾ì¹ç¤Ë¤Ï¤µ¤é¤Ë lilo 
¤ò·Ðͳ¤¹¤ëÊýË¡¤È·Ðͳ¤·¤Ê¤¤ÊýË¡¤¬¤¢¤ê¤Þ¤¹¡£¤³¤ì¤é¤ÎÊýË¡¤ò½ç¤ËÀâÌÀ¤·¤Þ¤¹¡£
<P>
<H2><A NAME="ss6.1">6.1 lilo ·Ðͳ¤Ç ramdisk ¤ò»È¤¦ÊýË¡</A>
</H2>

<P>
<P>ramdisk ¤ò»È¤¦¾ì¹ç¡¢µ¯Æ°ÍѤΥե¡¥¤¥ë¥·¥¹¥Æ¥à¤ò½ñ¤­¤³¤ó¤À FD ¤Î¶õ¤¤¤Æ¤¤
¤ëÉôʬ¤Ë ramdisk ¤ËÁȤߤ³¤à¤¿¤á¤Î¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥¤¥á¡¼¥¸¤ò½ñ
¤­¤³¤à¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£¤½¤Î¤¿¤á¤Ë¤Ï ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ò°µ½Ì¤·¤¿¥¤
¥á¡¼¥¸¤ò <CODE>/dev/fd0</CODE> ¤Ë½ñ¤­¤³¤àºÝ¤Ë¡¢dd ¤Î seek ¥ª¥×¥·¥ç¥ó¤ò»È¤Ã
¤Æ¥Ö¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Îʬ¤À¤±¸å¤í¤Ë¤º¤é¤·¤Æ¤ä¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£
<P>¤³¤ÎÊýË¡¤ÎÍøÅÀ¤Ï lilo ·Ðͳ¤Çµ¯Æ°¤¹¤ë¤¿¤á¤Ë¥«¡¼¥Í¥ë¤Ë¥³¥Þ¥ó¥É¥é¥¤¥ó¥ª¥×
¥·¥ç¥ó¤ò»ØÄꤷ¤¿¤ê¡¢Ê£¿ô¤ÎÀßÄê¤òÀڤ꤫¤¨¤Æ»È¤¨¤ë¤³¤È¤Ç¤¹¡£°ìÊý¡¢·çÅÀ¤È
¤·¤Æ¤Ï mount ¤·¤Æ¥Ç¥£¥¹¥¯¤ÎÃæ¿È¤ò³Îǧ¤¹¤ëºÝ¤Ë root fs ¤Îʬ¤·¤«ÆâÍƤ¬É½
¼¨¤µ¤ì¤º¡¢root fs ¤È¤·¤Æ²¿¤¬Æþ¤Ã¤Æ¤¤¤ë¤«¤ò³Îǧ¤¹¤ë¤Ë¤Ïµ¯Æ°¤·¤Æ¤ß¤ë¤·¤«
¤Ê¤¤¤³¤È¤¬¤¢¤ê¤Þ¤¹¡£
<P>¤³¤³¤Ç¤Ï Slackware 3.1 ¤ËÉÕ°¤Î AHA-1542 Íѥɥ饤¥Ð¤òÁȤߤ³¤ó¤À¥«¡¼¥Í
¥ë¤Ë rescue disk ¤Î¥¤¥á¡¼¥¸(rescue.gz)¤ò½ñ¤­¤³¤ó¤Ç¡¢Èó¾ïÍѤΠroot/boot 
¥Õ¥í¥Ã¥Ô¡¼¤òºî¤Ã¤Æ¤ß¤Þ¤¹¡£
<P>
<OL>
<LI> AHA-1542 ÍѤε¯Æ°Íѥǥ£¥¹¥¯¥¤¥á¡¼¥¸¤ò dd ¤ò»È¤Ã¤Æ¥Õ¥í¥Ã¥Ô¡¼¥Ç¥£
¥¹¥¯¤Ë½ñ¤­¤À¤·¤Þ¤¹¡£

<HR>
<PRE>
# dd if=/cdrom/slackware/bootdsks.144/aha1542.s of=/dev/fd0 bs=1k
556+0 records in
556+0 records out
</PRE>
<HR>


rescue disk ¤Î¥¤¥á¡¼¥¸¤ò boot disk ¤Î¥¤¥á¡¼¥¸¤Î¸å¤í¤Ë½ñ¤­¤³¤ß¤¿¤¤¤¿¤á¡¢
"bs=1k" ¥ª¥×¥·¥ç¥ó¤ò»ØÄꤷ¤Æ¡¢boot disk ¤Î¥¤¥á¡¼¥¸¤¬¥Õ¥í¥Ã¥Ô¡¼¤Î¤É¤³¤Þ
¤Ç¤òÀê¤á¤ë¤«¤ò³Îǧ¤·¤Æ¤ª¤­¤Þ¤¹¡£¤³¤ÎÎã¤Ç¤Ï 1 ¥Ö¥í¥Ã¥¯ 1k ¤È¤·¤Æ 556 ¥Ö
¥í¥Ã¥¯¤Þ¤ÇÀê¤á¤Æ¤¤¤Þ¤¹¡£
</LI>
<LI> recue disk ¤Î¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¥¤¥á¡¼¥¸¤ò¥Õ¥í¥Ã¥Ô¡¼¤ËÄɲä¹
¤ë¡£

dd ¤Î seek ¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ¥Ö¡¼¥È¥Ç¥£¥¹¥¯¤Î¥¤¥á¡¼¥¸¤È½Å¤Ê¤é¤Ê¤¤¤è¤¦ 
560 ¥Ö¥í¥Ã¥¯°Ê¹ß¤Ë rescue disk ¤Î¥¤¥á¡¼¥¸(rescue.gz)¤òÄɵ­¤·¤Þ¤¹¡£

<HR>
<PRE>
# dd if=/cdrom/slackware/rootdsks/rescue.gz of=/dev/fd0 bs=1k seek=560
529+1 records in
529+1 records out
</PRE>
<HR>


¤³¤ì¤Ç 1 Ëç¤Î FD ¤Ë¥Ö¡¼¥ÈÍѤΥե¡¥¤¥ë¥·¥¹¥Æ¥à¤È¥ë¡¼¥ÈÍѤΥե¡¥¤¥ë¥·¥¹
¥Æ¥à¤¬Æþ¤ê¤Þ¤·¤¿¡£
</LI>
<LI> boot disk ¤Î /etc/lilo.conf ¤Î½¤Àµ

¼¡¤Ë¡¢µ¯Æ°»þ¤Ë ramdisk ¤òÆɤߤ³¤à¤è¤¦¤Ë boot disk ¤Î 
<CODE>/etc/lilo.conf</CODE> ¤ò½¤Àµ¤·¤Þ¤¹¡£¤³¤Î¤¿¤á¤Ë¤Ï <CODE>/dev/fd0</CODE> 
¤ò¤É¤³¤«Å¬Åö¤Ê¥Ç¥£¥ì¥¯¥È¥ê¤Ë mount ¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£°Ê²¼¤Ç¤Ï 
/workdir ¤Ë¥Þ¥¦¥ó¥È¤·¤Æ¤¤¤Þ¤¹¡£

<HR>
<PRE>
# mount /dev/fd0 /workdir
# df
Filesystem         1024-blocks  Used Available Capacity Mounted on
/dev/hda3             944303  747325   148191     83%   /
/dev/hda1             308248  267832    40416     87%   /dos
/dev/fd0                 539     490       49     91%   /workdir
#
</PRE>
<HR>


¤³¤ÎÊý¼°¤Çºî¤Ã¤¿ all-in-one ¥Ç¥£¥¹¥¯¤ò¥Þ¥¦¥ó¥È¤·¤¿¾ì¹ç¡¢Ç§¼±¤µ¤ì¤ë¤Î¤Ï
¤³¤Î¤è¤¦¤Ë¥Ö¡¼¥È¥Ç¥£¥¹¥¯¤ÎÉôʬ¤À¤±¤Ç¤¹¡£

¤â¤È¤â¤È¤Î lilo.conf ¤Ï¤³¤Î¤è¤¦¤Ë¤Ê¤Ã¤Æ¤¤¤ë¤Ï¤º¤Ç¤¹¡£

<HR>
<PRE>
# cat /workdir/etc/lilo.conf 
boot = /dev/fd0
message=/boot/message
prompt
image = /vmlinuz
        label = ramdisk
        ramdisk = 49152
        root = /dev/fd0u1440
        vga = normal
image = /vmlinuz
(¸åά)
#
</PRE>
<HR>


¤³¤Î /workdir/etc/lilo.conf ¤ò½¤Àµ¤·¤Æ¡¢µ¯Æ°»þ¤Ë¼«Æ°Åª¤Ë ramdisk ¤òÆÉ
¤ß¤³¤à¤è¤¦¤Ë¤·¤Þ¤¹¡£ramdisk ÍѤ˥«¡¼¥Í¥ë¤Î¥³¥Þ¥ó¥É¥é¥¤¥ó¤È¤·¤Æ°Ê²¼¤Î¤è
¤¦¤Ê¥Ñ¥é¥á¡¼¥¿¤¬ÍÑ°Õ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£

<UL>
<LI>ramdisk_start

FD ¾å¤Ç ramdisk ¤¬³«»Ï¤¹¤ë¥Ö¥í¥Ã¥¯¤ò»ØÄꤷ¤Þ¤¹¡£º£²ó¤ÎÎã¤Ç¤Ï 560 ¤Ç¤¹¡£
</LI>
<LI>load_ramdisk

ramdisk ¤ò¥í¡¼¥É¤¹¤ë(1)¤«¤·¤Ê¤¤(0)¤«¤Î»ØÄê¤Ç¤¹¡£º£²ó¤Ï 1 ¤ò»ØÄꤷ¤Æ¡¢
ramdisk ¤ò¥í¡¼¥É¤¹¤ë¤è¤¦¤Ë¤·¤Þ¤¹¡£
</LI>
<LI>ramdisk_prompt

ramdisk ¤ò¥í¡¼¥É¤¹¤ëºÝ¤Ë¥×¥í¥ó¥×¥È¤ò½Ð¤¹(1)¤«½Ð¤µ¤Ê¤¤(0)¤«¤Î»ØÄê¤Ç¤¹¡£
FD ¤¬ 2 ËçÁȤˤʤäƤ¤¤ë¾ì¹ç¤Ï FD ¤òÆþ¤ì¤«¤¨¤ë¤¿¤á¤Ë¥×¥í¥ó¥×¥È¤ò½Ð¤·¤Þ
¤¹¤¬¡¢all-in-one ¤Î¾ì¹ç¤Ï¥×¥í¥ó¥×¥È¤ò½Ð¤¹É¬ÍפϤʤ¤¤Î¤Ç 0 ¤ò»ØÄꤷ¤Þ¤¹¡£
</LI>
<LI>ramdisk_size

ɬÍ×¤Ê ramdisk ¤Î¥µ¥¤¥º¤Ç¤¹¡£¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï 4096k ¤Ë¤Ê¤Ã¤Æ¤ª¤ê¡¢¤³¤Î¥µ
¥¤¥º¤òĶ¤¨¤ë ramdisk ¤ò³ÎÊݤ·¤¿¤¤¾ì¹ç¤ä¥á¥â¥ê¤Î¾¯¤Ê¤¤¥Þ¥·¥ó¤Ç ramdisk 
¤Î¥µ¥¤¥º¤òÀÚ¤êµÍ¤á¤¿¤¤¾ì¹ç¤Ë»ØÄꤷ¤Þ¤¹¡£º£²ó¤ÏÆä˻ØÄꤹ¤ëɬÍפϤ¢¤ê¤Þ
¤»¤ó¡£
</LI>
</UL>


°Ê¾å¤Î¤³¤È¤«¤é¡¢º£²ó¤Ï lilo.conf ¤Ë &quot;ramdisk_start=560
load_ramdisk=1 prompt_ramdisk=1&quot; ¤È¤¤¤¦»ØÄê¤òÄɲ乤ì¤Ð¤¤¤¤¤³¤È
¤¬Ê¬¤ê¤Þ¤¹¡£¤³¤ì¤é¤Î¥ª¥×¥·¥ç¥ó¤Ï lilo.conf ¤Ë &quot;append = &quot;
¤È¤¤¤¦·Á¤Çµ­½Ò¤·¤Þ¤¹¡£

<HR>
<PRE>
boot = /dev/fd0
message=/boot/message
append="ramdisk_start=560 load_ramdisk=1 prompt_ramdisk=0"
prompt
image = /vmlinuz
        label = ramdisk
        root = /dev/fd0u1440
        vga = normal
</PRE>
<HR>


</LI>
<LI> /sbin/lilo ¤ò¼Â¹Ô¤·¤Æ¡¢MBR ¤ÎÀßÄê

lilo.conf ¤ò½¤Àµ¤¹¤ë¤È¡¢°ìÅÙ <CODE>/sbin/lilo </CODE>¤ò¼Â¹Ô¤·¤Æ¡¢ÀßÄê¾ðÊó
¤ò MBR ¤ËÈ¿±Ç¤µ¤»¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£lilo ¤Ï -r ¥ª¥×¥·¥ç¥ó¤Ç¥Ç¥£¥ì¥¯¥È¥ê
¤ò»ØÄꤹ¤ë¤È¡¢¤½¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ë chroot ¤·¤Æ¼Â¹Ô¤µ¤ì¤Þ¤¹¡£º£²ó¤ÎÎã¤Ç¤Ï 
<CODE>/workdir</CODE> ¤Ë <CODE>/dev/fd0</CODE> ¤¬¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤ë¤Î¤Ç¡¢
<CODE>/workdir</CODE> ¤ò»ØÄꤷ¤Æ <CODE>/workdir/etc/lilo.conf</CODE> ¤ÎÀßÄê¤ò
È¿±Ç¤¹¤ë¤è¤¦¤Ë lilo ¤ò¼Â¹Ô¤·¤Þ¤¹¡£

<HR>
<PRE>
# /sbin/lilo -r /workdir
Added ramdisk *
Added big2
Added small2
Added drive2
Added mount
#
</PRE>
<HR>


¤³¤ì¤Ç all-in-one ¤Î boot/rescue ¥Ç¥£¥¹¥¯¤¬¤Ç¤­¤Þ¤·¤¿¡£¥·¥¹¥Æ¥à¤ò FD 
¤«¤éΩ¤Á¤¢¤²¤Æ¡¢¼«Æ°Åª¤Ë ramdisk ¤¬¥í¡¼¥É¤µ¤ì¡¢rescue disk ¤¬µ¯Æ°¤¹¤ë
¤³¤È¤ò³Îǧ¤·¤Æ¤¯¤À¤µ¤¤¡£
</LI>
</OL>
<H2><A NAME="ss6.2">6.2 zdisk ¤Ç ramdisk ¤ò»È¤¦ÊýË¡</A>
</H2>

<P>
<P>lilo ¤ò»È¤Ã¤Æµ¯Æ°¤¹¤ë¾ì¹ç¡¢lilo ¤Î½Ð¤¹ boot: ¥×¥í¥ó¥×¥È¤ËÂФ·¤ÆɬÍפÊ
¥ª¥×¥·¥ç¥ó¤ò»ØÄꤹ¤ë¤³¤È¤¬¤Ç¤­¤ë¤Î¤Ç¡¢¤µ¤Þ¤¶¤Þ¤Ê¾õ¶·¤ËÂбþ¤¹¤ë¤³¤È¤¬¤Ç
¤­¤Þ¤¹¡£°ìÊý¡¢¤³¤ÎÊýË¡¤Ç¤Ï¡¢µ¯Æ°ÍѤ˥ե¡¥¤¥ë¥·¥¹¥Æ¥à¤¬É¬ÍפȤʤꡢ»ÈÍÑ
¤¹¤ë¥Ç¥£¥¹¥¯¥¹¥Ú¡¼¥¹¤âÂ礭¤á¤Ë¤Ê¤ê¤Þ¤¹¡£
<P>°ìÊý¡¢Linux ¤Î make zImage ¤ÇºîÀ®¤µ¤ì¤ë¥«¡¼¥Í¥ë¥¤¥á¡¼¥¸¤Ë¤Ï FD ¤«¤é¼«
ʬ¼«¿È¤òµ¯Æ°¤¹¤ë¤¿¤á¤Î¥³¡¼¥É¤¬ÉÕ¤¤¤Æ¤¤¤ë¤Î¤Ç¡¢lilo ¤Î¥ª¥×¥·¥ç¥ó»ØÄê¤ò
¤¹¤ëɬÍפ¬¤Ê¤¤´Ä¶­¤Ç¤Ï lilo ¤ò»È¤ï¤º¤ËľÀÜ FD ¤«¤é¥«¡¼¥Í¥ë¤òµ¯Æ°¤¹¤ë¤³
¤È¤â²Äǽ¤Ç¤¹¡£¤¿¤À¤·¡¢¤³¤Îµ¡Ç½¤ò»È¤Ã¤Æ ramdisk ¤ò¥í¡¼¥É¤¹¤ë¤¿¤á¤Ë¤Ï 
rdev ¤È¤¤¤¦¥³¥Þ¥ó¥É¤ò»È¤Ã¤Æ¥«¡¼¥Í¥ë¼«¿È¤Ë¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Ç¥Ð
¥¤¥¹Ì¾¤ä ramdisk ¤Î°ÌÃÖ¡¢ ramdisk ¤Î¥í¡¼¥É¤Î̵ͭ¤ò½ñ¤­¤³¤ó¤Ç¤ª¤¯É¬Íפ¬
¤¢¤ê¤Þ¤¹¡£
<P>¤³¤ÎÊýË¡¤ÎÍøÅÀ¤Ï boot disk ¤Ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬ÉÔÍפǥ«¡¼¥Í¥ë¥¤¥á¡¼¥¸
¤òľ½ñ¤­¤¹¤ì¤Ð¤¤¤¤¤À¤±¤Ë¤Ê¤ë¤Î¤Ç¡¢FD ¤Î»ÈÍÑÎ̤¬¾¯¤Ê¤¯¤Ç¤­¤ë¤³¤È¤Ç¤¹¡£
°ìÊý¡¢·çÅÀ¤È¤·¤Æ¤Ï¡¢¥«¡¼¥Í¥ë¤¬Ä¾Àܵ¯Æ°¤·¤Æ¤·¤Þ¤¦¤Î¤Ç¥³¥Þ¥ó¥É¥é¥¤¥ó¥ª¥×
¥·¥ç¥ó¤ò»ØÄê¤Ç¤­¤Ê¤¤¤³¤È¤Ç¤¹¡£¤½¤Î¤¿¤á¤³¤ÎÊýË¡¤Ç 1FD router ¤òºî¤ë¤³¤È
¤Ï¤Ç¤­¤Þ¤»¤ó(¥ë¡¼¥¿¤òºî¤ë¾ì¹ç¡¢Ê£¿ô¤Î ethernet ¥«¡¼¥É¤òǧ¼±¤µ¤»¤ëɬÍ×
¤¬¤¢¤ë¤Î¤Ç¡¢¥«¡¼¥Í¥ë¥ª¥×¥·¥ç¥ó¤¬É¬¿Ü¤Ç¤¹)
<P>¤Þ¤¿ºîÀ®¤·¤¿¥Õ¥í¥Ã¥Ô¡¼¤ÎÃæ¿È¤ò³Îǧ¤¹¤ëÊýË¡¤¬¤Ê¤¤(¤³¤ì¤Çºî¤Ã¤¿ 
<CODE>/dev/fd0</CODE> ¤Ï¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤È¤·¤Æ¥Þ¥¦¥ó¥È¤Ç¤­¤Þ¤»¤ó)¤³¤È¤â·ç
ÅÀ¤È¸À¤¨¤ë¤Ç¤·¤ç¤¦¡£
<P>
<OL>
<LI> AHA-1542 ÍѤΥ«¡¼¥Í¥ë¥¤¥á¡¼¥¸¤ò FD ¤Ë½ñ¤­¤³¤à¡£

Á°Àá¤ÈƱÍÍ¤Ë AHA-1542 ÍѤΥɥ饤¥Ð¤òÁȤߤ³¤ó¤À¥«¡¼¥Í¥ë¤ò»È¤¤¤Þ¤¹¤¬¡¢º£
²ó½ñ¤­¤³¤à¤â¤Î¤Ï¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ç¤Ï¤Ê¤¯¥«¡¼¥Í¥ë¤½¤ì¼«¿È¤Ê¤Î¤Ç¡¢É¬ÍפÊ
¥Õ¥¡¥¤¥ë¤Ï <CODE>/cdrom/slackware/kernels/aha1542.s/zImage</CODE> ¤Ë¤Ê¤ê¤Þ¤¹¡£

<HR>
<PRE>
# dd if=/cdrom/slackware/kernels/aha1542.s/zImage of=/dev/fd0 bs=1k
437+1 records in
437+1 records out
#
</PRE>
<HR>


¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ò½ñ¤­¤³¤ó¤À¾ì¹ç¡¢530 ¥Ö¥í¥Ã¥¯É¬ÍפǤ·¤¿¤¬¡¢¥«¡¼¥Í¥ë¤À
¤±¤ò½ñ¤­¤À¤¹¤È 440 ¥Ö¥í¥Ã¥¯¤Û¤É¤ÇºÑ¤ó¤Ç¤¤¤ë¤³¤È¤¬Ê¬¤ê¤Þ¤¹¡£
</LI>
<LI> rescue disk ¤Î¥¤¥á¡¼¥¸¤ò FD ¤ËÄɲ乤롣

¥«¡¼¥Í¥ë¤Ï 440 ¥Ö¥í¥Ã¥¯¤°¤é¤¤¤Ç¼ý¤Þ¤Ã¤Æ¤¤¤ë¤Î¤Ç¡¢rescue.gz ¤Ï 450 ¥Ö¥í¥Ã
¥¯°Ê¹ß¤Ë½ñ¤­¤³¤ß¤Þ¤·¤ç¤¦¡£

<HR>
<PRE>
# dd if=/cdrom/slackware/rootdsks/rescue.gz of=/dev/fd0 bs=1k seek=450
529+1 records in
529+1 records out
#
</PRE>
<HR>

</LI>
<LI> rdev ¤Ç¥«¡¼¥Í¥ë¼«¿È¤ËɬÍפʾðÊó¤òÀßÄê

lilo ¤Î¾ì¹ç¡¢¥«¡¼¥Í¥ë¤Ë¥³¥Þ¥ó¥É¥é¥¤¥ó¥Ñ¥é¥á¡¼¥¿¤ò»È¤Ã¤Æ ramdisk ¤Ë´Ø¤¹
¤ëÀßÄê¤ò¹Ô¤¨¤Þ¤·¤¿¤¬¡¢º£²ó¤Ï lilo ¤ò·Ðͳ¤·¤Ê¤¤¤Î¤Ç¥«¡¼¥Í¥ë¼«¿È¤ËɬÍפÊ
¥Ñ¥é¥á¡¼¥¿¤ò½ñ¤­¤³¤ó¤Ç¤·¤Þ¤¦É¬Íפ¬¤¢¤ê¤Þ¤¹¡£¤½¤Î¤¿¤á¤Ë»È¤¦¥³¥Þ¥ó¥É¤¬ 
<CODE>rdev</CODE> ¤Ç¤¹¡£¤Þ¤º¡¢rdev ¥³¥Þ¥ó¥É¤Ç <CODE>/dev/fd0</CODE> ¤Ë¤¢¤ë¥«¡¼
¥Í¥ë¤Î¥ë¡¼¥È¥Ç¥Ð¥¤¥¹¤ò <CODE>/dev/fd0</CODE> ¤Ë½ñ¤­¤«¤¨¤Æ¤ª¤­¤Þ¤¹¡£

<HR>
<PRE>
# rdev /dev/fd0 /dev/fd0
</PRE>
<HR>


rdev ¤Ç¤Ï¥«¡¼¥Í¥ëÆâÉô¤Î 1 word(2 bytes)¤ÎÎΰè¤òľÀܽñ¤­Âؤ¨¤ë¤³¤È¤Ç 
ramdisk ¤Î¥í¡¼¥É¤Î̵ͭ¤ä ramdisk ¤Î°ÌÃÖ¤òÊѹ¹¤Ç¤­¤Þ¤¹¡£

rdev ¤Ç»ØÄꤹ¤ë 2 bytes ¤Î¤¦¤Á¡¢²¼°Ì 11 bit(0 bit -> 10 bit) ¤Ï 
ramdisk ¤Î°ÌÃÖ¤ò»ØÄꤹ¤ë¤¿¤á¤Ë»È¤ï¤ì(1k ñ°Ì¤Î¥ª¥Õ¥»¥Ã¥È¾ðÊó)¡¢14 bit 
Ìܤ¬ ramdisk ¤Î¥í¡¼¥É¤Î̵ͭ¡¢15 bit Ìܤ¬ ramdisk ¤ò¥í¡¼¥É¤¹¤ëºÝ¤Î¥×¥í
¥ó¥×¥È¤Î̵ͭ¤Î»ØÄê¤Ç¤¹¡£

º£²ó¤ÎÎã¤Ç¤Ï¡¢ramdisk ¤ò¥í¡¼¥É¤·(bit 14 on)¡¢ramdisk ¤ò¥í¡¼¥É¤¹¤ëºÝ¤Ë
¥×¥í¥ó¥×¥È¤ÏÉÔÍ×(bit 15 off)¡¢ramdisk ¤Î¥ª¥Õ¥»¥Ã¥È¤Ï 440 ¥Ö¥í¥Ã¥¯¤Ë¤Ê
¤ê¤Þ¤¹¤Î¤Ç¡¢

<CODE>2^15*0(prompt) + 2^14*1(ramdisk) + 440(offset) = 16824</CODE> ¤ò 
rdev ¤ÇÀßÄꤷ¤Þ¤¹¡£Æ±»þ¤Ë rdev -R ¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ¥ë¡¼¥È¥Õ¥¡¥¤¥ë¥·¥¹
¥Æ¥à¤ò r/w ¤Ç¥Þ¥¦¥ó¥È¤¹¤ë¤è¤¦¤ËÀßÄꤷ¤Þ¤¹¡£

<HR>
<PRE>
# rdev -r /dev/fd0 16384
# rdev -R /dev/fd0 0
</PRE>
<HR>


¤³¤ì¤Ç¡¢Ä¾Àܵ¯Æ°ÍѤΠboot/root ¥Õ¥í¥Ã¥Ô¡¼¤¬¤Ç¤­¤Þ¤·¤¿¡£¥·¥¹¥Æ¥à¤òºÆµ¯
Æ°¤·¤Æ¡¢rescue disk ¤¬Àµ¤·¤¯µ¡Ç½¤¹¤ë¤«³Îǧ¤·¤Æ¤¯¤À¤µ¤¤¡£
</LI>
</OL>
<P>
<H2><A NAME="ss6.3">6.3 initrd ¤ò»È¤¦ÊýË¡</A>
</H2>

<P>initrd ¤ò»È¤¦ÊýË¡¤ÎÍøÅÀ¤Ï¡¢¥í¡¼¥É¤¹¤ë ramdisk ¤Î¤¢¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ò
°µ½Ì¥Õ¥¡¥¤¥ë¤È¤·¤ÆľÀÜ»ØÄê¤Ç¤­¤ë¤Î¤Ç¡¢FD ¤ÎÃæ¤Ë¸«¤¨¤Ê¤¤Îΰ褬̵¤¯¤Ê¤ë
¤³¤È¤Ç¤¹¡£»ä¤Î¤è¤¦¤ËÀ°ÍýǽÎϤÎ̵¤¤¿Í´Ö¤Ë¤Ï¤É¤Î root fs ¥¤¥á¡¼¥¸¤¬Æþ¤Ã
¤Æ¤¤¤ë¤Î¤«³Îǧ¤·¤Æ¤«¤éµ¯Æ°¤Ç¤­¤ë¤³¤ÎÊý¼°¤¬¤â¤Ã¤È¤â°Â¿´¤Ç¤­¤Þ¤¹(¾Ð)¡£¤Þ
¤¿¡¢FD Á´ÂΤλÈÍÑÎ̤¬¸«¤¨¤ë¤Î¤Ç¡¢¤¢¤È¤É¤ì¤¯¤é¤¤¤Îµ¡Ç½¤òÁȤߤ³¤á¤ë¤«¤ò
¸¡Æ¤¤¹¤ëºÝ¤Ë¤âÊØÍø¤Ç¤¹¡£
<P>°ìÊý¡¢¤³¤ÎÊýË¡¤Î·çÅÀ¤È¤·¤Æ¤Ï¡¢Slackware 3.1 ¤ËÉÕ°¤Î¥«¡¼¥Í¥ë¥¤¥á¡¼¥¸¤Ë
¤Ï initrd µ¡Ç½¤ÏÁȤߤ³¤Þ¤ì¤Æ¤¤¤Ê¤¤¤Î¤Ç¡¢¤³¤Î¤¿¤á¤Î¥«¡¼¥Í¥ë¤Ï¼ê¸µ¤Ç 
initrd µ¡Ç½¤òÁȤ߹þ¤ó¤Ç¥³¥ó¥Ñ¥¤¥ë¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤³¤È¤Ç¤¹¡£¤Þ¤¿¡¢
rescue.gz ¤â¤½¤Î¤Þ¤Þ¤Ç¤Ï initrd ¤È¤·¤Æ»È¤¨¤Ê¤¤¤¿¤á¡¢¾¯¤·ºÙ¹©¤ò¤·¤Æ¤ä¤ë
ɬÍפ¬¤¢¤ê¤Þ¤¹¡£
<P>
<OL>
<LI> ¼ê¸µ¤Ç¥«¡¼¥Í¥ë¤Î¥³¥ó¥Ñ¥¤¥ë

ɬÍפʥª¥×¥·¥ç¥ó¤òÁȤߤ³¤ó¤Ç¥«¡¼¥Í¥ë¤òÀßÄꤷ¡¢make zImage ¤·¤Æ¤ª¤­¤Þ¤¹¡£
¥ª¥×¥·¥ç¥ó¤òÁª¤ÖºÝ¤Ë¡¢ramdisk µ¡Ç½¤È initrd µ¡Ç½¤Ï˺¤ì¤º¤Ë¥«¡¼¥Í¥ë¤ËÁÈ
¤ß¤³¤ó¤Ç¤¯¤À¤µ¤¤¡£

ramdisk µ¡Ç½¤Ï¥â¥¸¥å¡¼¥ë²½¤Ç¤­¤Þ¤¹¤¬¡¢¥â¥¸¥å¡¼¥ë¤Ç¤Ï¤Ê¤¯¥«¡¼¥Í¥ë¤ËÁȤß
¤³¤àɬÍפ¬¤¢¤ê¤Þ¤¹¡£
</LI>
<LI> µ¯Æ°ÍѤΠFD ¤Î½àÈ÷

¤³¤ÎÊý¼°¤Ç¤Ï FD 1 Ëç¤Ë 1 ¤Ä¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤òºî¤Ã¤Æ¡¢¤½¤³¤Ë boot fs 
¤È initrd ÍѤΰµ½Ì¤·¤¿¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤òÃÖ¤¯¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£FD ¤Ë¥Õ¥¡
¥¤¥ë¥·¥¹¥Æ¥à¤òºî¤ëºÝ¤Ï ext2fs ¤è¤ê¤â minix fs ¤Ë¤·¤¿Êý¤¬ÍÆÎ̤ò¸úΨ¤è¤¯
»È¤¨¤Þ¤¹¡£¾õ¶·¤Ë¤è¤Ã¤Æ¤Ï -i ¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ i-node ¤òÁý¤·¤Æ¤ª¤¤¤¿Êý
¤¬¤¤¤¤¤«¤âÃΤì¤Þ¤»¤ó¡£

<HR>
<PRE>
# mkfs.minix /dev/fd0 1440
480 inodes
1440 blocks
Firstdatazone=19 (19)
Zonesize=1024
Maxsize=268966912
#
</PRE>
<HR>

</LI>
<LI> FD ¤ËɬÍפʥե¡¥¤¥ë¤Î¥³¥Ô¡¼

¤³¤Î FD ¤òµ¯Æ°ÍѤ˻Ȥ¦¤Ë¤Ï <CODE>/dev</CODE> ¤ä <CODE>/etc</CODE> °Ê²¼¤Î¥Õ¥¡¥¤
¥ë¤¬É¬ÍפǤ¹¤¬¡¢¤½¤ì¤é¤ÏSlackware ¤Î¥Ö¡¼¥È¥Ç¥£¥¹¥¯¤Î¥¤¥á¡¼¥¸¤ò¥³¥Ô¡¼¤¹
¤ë¤Î¤¬´Êñ¤Ç¤·¤ç¤¦¡£¤½¤Î¤¿¤á¤Ë <CODE>/dev/fd0</CODE> ¤ò <CODE>/workdir</CODE> 
¤Ë¡¢<CODE>/cdrom/slackware/bootdsk.144/aha1542.s</CODE> ¤ò <CODE>/mnt</CODE> 
¤Ë¤½¤ì¤¾¤ì¥Þ¥¦¥ó¥È¤·¡¢tar ¤ò»È¤Ã¤Æ¥Ö¡¼¥È¥Ç¥£¥¹¥¯¤Î¥¤¥á¡¼¥¸¤ò FD ¤Ë¥³¥Ô¡¼
¤·¤Þ¤¹

<HR>
<PRE>
# mount /dev/fd0 /workdir
# mount /cdrom/slackware/bootdsk.144/aha1542.s /mnt -o loop
# df
Filesystem         1024-blocks  Used Available Capacity Mounted on
/dev/hda3             944303  747372   148144     83%   /
/dev/hda1             308248  267832    40416     87%   /dos
/cdrom/slackware/bootdsk.144/aha1542.s
                         539     490       49     91%   /mnt
/dev/fd0                1404       1     1403      0%   /workdir
#
# cd /mnt
# tar cvf - * |(cd /workdir; tar xf -)
# sync
# df
Filesystem         1024-blocks  Used Available Capacity Mounted on
/dev/hda3             944303  747372   148144     83%   /
/dev/hda1             308248  267832    40416     87%   /dos
/cdrom/slackware/bootdsk.144/aha1542.s
                         539     490       49     91%   /mnt
/dev/fd0                1404     490      914     35%   /workdir
# ls -l /workdir
total 446
drwxr-xr-x   2 root     root          160 Jun 13  1996 boot
drwxr-xr-x   2 root     root         3632 May 20  1996 dev
drwxr-xr-x   2 root     root           48 May  8  1995 etc
drwxr-xr-x   2 root     root           32 Mar 10  1993 proc
-rw-r--r--   1 root     root       448013 Jun 13  1996 vmlinuz
#
</PRE>
<HR>


¤³¤Î»þÅÀ¤Ç¤Î <CODE>/workdir/vmlinuz</CODE> ¤Ï initrd ¤Îµ¡Ç½¤¬ÁȤߤ³¤Þ¤ì¤Æ
¤¤¤Ê¤¤¥«¡¼¥Í¥ë¤Ê¤Î¤Ç¡¢¼ê¸µ¤Ç¥³¥ó¥Ñ¥¤¥ë¤·¤¿ zImage(¤¢¤ë¤¤¤Ï bzImage) ¥Õ¥¡
¥¤¥ë¤ò vmlinuz ¤ËÃÖ¤­¤«¤¨¤Þ¤¹¡£

<HR>
<PRE>
# cp /usr/src/linux/arch/i386/boot/zImage /workdir/vmlinuz
</PRE>
<HR>

</LI>
<LI> initrd ¤Î½àÈ÷

initrd ¤Ç»È¤¦¤¿¤á¤Ë¤Ï rescue.gz ¤Ë linuxrc ¤È¤¤¤¦¥Õ¥¡¥¤¥ë¤òºî¤ëɬÍפ¬
¤¢¤ê¤Þ¤¹(linuxrc ¤Î¼ÂÂΤÏbin/sh ¤Ø¤Î¥·¥ó¥Ü¥ê¥Ã¥¯¥ê¥ó¥¯¤Ç¹½¤¤¤Þ¤»¤ó)¡£
¤³¤Î¤¿¤á¤Ë¤Ï°ìÅÙ rescue.gz ¤òŸ³«¤·¤Æ¥Õ¥¡¥¤¥ë¤È¤·¤Æ¥Þ¥¦¥ó¥È¤¹¤ëɬÍפ¬
¤¢¤ê¤Þ¤¹¡£

<HR>
<PRE>
# gunzip &lt; /cdrom/slackware/rootdsks/rescue.gz > /tmp/rescue
# mount /tmp/rescue /tmpmnt -o loop
# cd /tmpmnt
# ln -s bin/sh linuxrc
# cd /
# umount /tmpmnt
# gzip -9 &lt; /tmp/rescue > /workdir/rescue.gz
</PRE>
<HR>

</LI>
<LI> /etc/lilo.conf ¤ÎÀßÄê

<CODE>/workdir/etc/lilo.conf</CODE> ¤ò½¤Àµ¤·¤Æ¡¢initrd ¤È¤·¤Æ rescue.gz ¤ò
»È¤¦¤è¤¦¤Ë¤·¤Þ¤¹¡£initrd ¤ò»È¤¦¾ì¹ç¡¢lilo.conf ¤Ë &quot;initrd =
filename&quot; ¤È¤¤¤¦¥ª¥×¥·¥ç¥ó¤òÄɲä·¤Þ¤¹¡£»ä¤Ï¤³¤¦¤¤¤¦É÷¤Ë¤·¤Æ¤ß¤Þ
¤·¤¿¡£

<HR>
<PRE>
boot = /dev/fd0
message=/boot/message
prompt
image = /vmlinuz
        label = ramdisk
        initrd = /rescue.gz
        vga = normal
</PRE>
<HR>


lilo.conf ¤òÀßÄꤹ¤ì¤Ð¡¢lilo ¤òºÆ¼Â¹Ô¤·¤Æ¡¢Êѹ¹ÅÀ¤òÈ¿±Ç¤µ¤»¤Þ¤¹¡£

<HR>
<PRE>
# /sbin/lilo -r /workdir
Added ramdisk *
#
</PRE>
<HR>


¤³¤ì¤Ç initrd ¤ò»È¤Ã¤¿ all-in-one disk ¤¬¤Ç¤­¤Þ¤·¤¿¡£¥·¥¹¥Æ¥à¤òºÆµ¯Æ°
¤·¤ÆÀµ¤·¤¯µ¡Ç½¤¹¤ë¤«³Îǧ¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£¤³¤ÎÎã¤Ç¤Ï ctrl-D ¤ä exit ¤Ç 
linuxrc ¤ò½ªÎ»¤µ¤»¤ëÁ°¤Ë¡¢ËÜʸ½ñÃæ¤ÇÀâÌÀ¤·¤¿ÊýË¡¤Ç¼ÂºÝ¤Î¥ë¡¼¥È¥Õ¥¡¥¤¥ë
¥·¥¹¥Æ¥à¤òÀßÄꤷ¤Æ¤ª¤¯É¬Íפ¬¤¢¤ë¤³¤È¤Ë¸æÃí°Õ¤¯¤À¤µ¤¤¡£
</LI>
</OL>
<P>
<HR>
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