1#!/bin/rc 2 3# desc: create a boot floppy or configure hard disk to boot plan 9 4# prereq: copydist 5 6switch($1) { 7case go 8 echo 9 echo 'Initializing Plan 9 FAT configuration partition (9fat)' 10 echo 11 12 fat=(/dev/sd*/9fat) 13 fat=$fat(1) 14 disk=`{echo $fat | sed 's:/dev/::;s:/9fat::'} 15 bootfs=`{echo $fs | sed 's:/dev/(sd..)/(.*):\1!\2:'} 16 bootfat=`{echo $fs | sed 's:/dev/(sd..)/(.*):\1!9fat:'} 17 if(! test -f /dev/$disk/9fat) { 18 echo 'You have no 9fat partition. Can''t setup booting.' 19 exit 20 } 21 22 if(! test -f /tmp/plan9.ini) { 23 { 24 sfs=`{echo $fs | sed 's;/dev;#S;'} 25 if(~ $fstype fossil fossil+venti){ 26 echo bootfile'='$bootfat!9pcf 27 echo 'bootargs=local!'^$sfs 28 echo 'bootdisk=local!'^$sfs 29 } 30 if not { 31 echo bootfile'='$bootfs!/386/9pcdisk 32 echo 'bootdisk=local!'^$sfs 33 } 34 if(~ $fstype fossil+venti){ 35 venti=`{echo $ventiarena | sed 's;/dev;#S;'} 36 echo venti'='^$venti 37 } 38 # sort -u avoids dups which could otherwise trigger 39 # pointless boot menus. 40 grep -v '(^\[)|menuitem|adisk|bootfile|bootdisk|bootargs|nobootprompt|mouseport|vgasize|monitor|cdboot' /tmp/plan9.orig | 41 sort -u 42 echo 'mouseport='^$mouseport 43 echo 'monitor='^$monitor 44 echo 'vgasize='^$vgasize 45 } >/tmp/plan9.ini 46 } 47 if(! test -f /tmp/plan9ini.bak) 48 cp /tmp/plan9.ini /tmp/plan9ini.bak 49 50 need9fatformat=no 51 if(! isfat /dev/$disk/9fat) 52 need9fatformat=yes 53 if not if(! mount -c /srv/dos /n/9fat /dev/$disk/9fat >[2]/dev/null) 54 need9fatformat=yes 55 if not if(! test -f /n/9fat/plan9.ini) 56 need9fatformat=yes 57 58 if (test -e /n/newfs/386/9loadnousb) 59 bind /n/newfs/386/9loadnousb /n/newfs/386/9load # cater to old bioses 60 if(~ $need9fatformat yes){ 61 log Initializing Plan 9 FAT partition. 62 disk/format -r 2 -d -b /386/pbs \ 63 /dev/$disk/9fat /n/newfs/386/9load 64 # silently install pbslba if the partition is way into the disk. 65 # it''s our only hope. only need this for >8.5GB into the disk. 66 # but... 67 # there are so few non-LBA bioses out 68 # there anymore that we'll do this even if we're only 2GB into 69 # the disk. it's just not worth the headaches of dealing with 70 # crappy bioses that don't address the whole 8.5GB properly 71 72 9fatoffset=`{grep '^part 9fat ' /dev/$disk/ctl | awk '{print $4}'} 73 if(! ~ $#9fatoffset 1) { 74 echo 'could not find plan 9 partition.' 75 echo 'cannot happen' 76 exit bad 77 } 78 if(test $9fatoffset -gt 2097152) # 2GB 79 disk/format -b /386/pbslba /dev/$disk/9fat 80 81 mount -c /srv/dos /n/9fat /dev/$disk/9fat 82 } 83 84 if(! test -f /n/9fat/4e){ 85 logprog cp /n/newfs/386/9load /n/9fat/9load 86 logprog cp /n/newfs/386/9pcf /n/9fat/9pcf 87 if(test -f /n/9fat/plan9.ini && ! test -f /n/9fat/plan9-3e.ini) 88 logprog mv /n/9fat/plan9.ini /n/9fat/plan9-3e.ini 89 if(test -f /n/9fat/9pcdisk && ! test -f /n/9fat/9pc3e) 90 logprog mv /n/9fat/9pcdisk /n/9fat/9pc3e 91 92 awk -f /bin/inst/mkini.awk >/n/9fat/plan9.ini 93 >/n/9fat/4e 94 } 95 96 echo 97 echo 'There are myriad ways to boot a Plan 9 system.' 98 echo 'You can use any of the following.' 99 echo 100 echo ' floppy - create a boot floppy' 101 echo ' plan9 - make the plan 9 disk partition the default for booting' 102 echo ' win9x - add a plan 9 option to windows 9x boot menu' 103 echo ' winnt - add a plan 9 option to windows nt/2000/xp boot manager' 104 echo 105 echo 'If you are upgrading an extant third edition installation and booting' 106 echo 'from something other than a floppy, you needn''t run anything here.' 107 echo 'Just type ctl-d.' 108 109 oldbootsetup=$didbootsetup 110 didbootsetup=1 111 export didbootsetup 112 prompt 'Enable boot method' floppy plan9 win9x winnt 113 114 if(! boot$rd){ 115 didbootsetup=$oldbootsetup 116 export didbootsetup 117 } 118 119case checkdone 120 xxxfat=(/dev/sd*/9fat) 121 if(! isfat $xxxfat(1) || ! ~ $didbootsetup 1){ 122 bootsetup=ready 123 export bootsetup 124 } 125} 126