#!/bin/rc # desc: create a boot floppy or configure hard disk to boot plan 9 # prereq: copydist switch($1) { case go echo echo 'Initializing Plan 9 FAT configuration partition (9fat)' echo fat=(/dev/sd*/9fat) fat=$fat(1) disk=`{echo $fat | sed 's:/dev/::;s:/9fat::'} bootfs=`{echo $fs | sed 's:/dev/(sd..)/(.*):\1!\2:'} bootfat=`{echo $fs | sed 's:/dev/(sd..)/(.*):\1!9fat:'} if(! test -f /dev/$disk/9fat) { echo 'You have no 9fat partition. Can''t setup booting.' exit } if(! test -f /tmp/plan9.ini) { { sfs=`{echo $fs | sed 's;/dev;#S;'} if(~ $fstype fossil fossil+venti){ echo bootfile'='$bootfat!9pcf echo 'bootargs=local!'^$sfs echo 'bootdisk=local!'^$sfs } if not { echo bootfile'='$bootfs!/386/9pcdisk echo 'bootdisk=local!'^$sfs } if(~ $fstype fossil+venti){ venti=`{echo $ventiarena | sed 's;/dev;#S;'} echo venti'='^$venti } grep -v '(^\[)|menuitem|adisk|bootfile|bootdisk|bootargs|nobootprompt|mouseport|vgasize|monitor|cdboot' /tmp/plan9.orig echo 'mouseport='^$mouseport echo 'monitor='^$monitor echo 'vgasize='^$vgasize } >/tmp/plan9.ini } if(! test -f /tmp/plan9ini.bak) cp /tmp/plan9.ini /tmp/plan9ini.bak need9fatformat=no if(! isfat /dev/$disk/9fat) need9fatformat=yes if not if(! mount -c /srv/dos /n/9fat /dev/$disk/9fat >[2]/dev/null) need9fatformat=yes if not if(! test -f /n/9fat/plan9.ini) need9fatformat=yes if(~ $need9fatformat yes){ log Initializing Plan 9 FAT partition. disk/format -r 2 -d -b /386/pbs \ /dev/$disk/9fat /n/newfs/386/9load # silently install pbslba if the partition is way into the disk. # it''s our only hope. only need this for >8.5GB into the disk. # but... # there are so few non-LBA bioses out # there anymore that we'll do this even if we're only 2GB into # the disk. it's just not worth the headaches of dealing with # crappy bioses that don't address the whole 8.5GB properly 9fatoffset=`{grep '^part 9fat ' /dev/$disk/ctl | awk '{print $4}'} if(! ~ $#9fatoffset 1) { echo 'could not find plan 9 partition.' echo 'cannot happen' exit bad } if(test $9fatoffset -gt 2097152) # 2GB disk/format -b /386/pbslba /dev/$disk/9fat mount -c /srv/dos /n/9fat /dev/$disk/9fat } if(! test -f /n/9fat/4e){ logprog cp /n/newfs/386/9load /n/9fat/9load logprog cp /n/newfs/386/9pcf /n/9fat/9pcf if(test -f /n/9fat/plan9.ini && ! test -f /n/9fat/plan9-3e.ini) logprog mv /n/9fat/plan9.ini /n/9fat/plan9-3e.ini if(test -f /n/9fat/9pcdisk && ! test -f /n/9fat/9pc3e) logprog mv /n/9fat/9pcdisk /n/9fat/9pc3e awk -f /bin/inst/mkini.awk >/n/9fat/plan9.ini >/n/9fat/4e } echo echo 'There are myriad ways to boot a Plan 9 system.' echo 'You can use any of the following.' echo echo ' floppy - create a boot floppy' echo ' plan9 - make the plan 9 disk partition the default for booting' echo ' win9x - add a plan 9 option to windows 9x boot menu' echo ' winnt - add a plan 9 option to windows nt/2000/xp boot manager' echo echo 'If you are upgrading an extant third edition installation and booting' echo 'from something other than a floppy, you needn''t run anything here.' echo 'Just type ctl-d.' oldbootsetup=$didbootsetup didbootsetup=1 export didbootsetup prompt 'Enable boot method' floppy plan9 win9x winnt if(! boot$rd){ didbootsetup=$oldbootsetup export didbootsetup } case checkdone xxxfat=(/dev/sd*/9fat) if(! isfat $xxxfat(1) || ! ~ $didbootsetup 1){ bootsetup=ready export bootsetup } }