rc/bin/inst/bootsetup

   1 #!/bin/rc
   2
   3 # desc: create a boot floppy or configure hard disk to boot plan 9
   4 # prereq: copydist
   5
   6 fats=()
   7 for(i in /dev/sd*/9fat){
   8         if(test -f $i)
   9                 fats=($fats $i)
  10 }
  11
  12 switch($1) {
  13 case checkdone checkready
  14         if(~ $#fats 0 || ~ $#9fat 1 && ~ `{fstype $9fat} dos && ~ $didbootsetup 1)
  15                 bootsetup=done
  16         if not
  17                 bootsetup=ready
  18         export bootsetup
  19
  20 case go
  21         echo
  22         echo 'Setup Plan 9 FAT boot partition (9fat)'
  23         echo
  24
  25         if(~ $#fats 1)
  26                 default=(-d $fats)
  27         if not
  28                 default=()
  29         prompt $default 'Plan 9 FAT partition' $fats
  30         9fat=$rd
  31         export 9fat
  32
  33         if(! test -f /tmp/plan9.ini) {
  34                 bootfile=9pcf
  35                 @{
  36                         echo 'bootfile='^$bootfile
  37                         echo 'bootargs=local!'^$fs' '$"fsflags
  38                         if(~ $#nvram 1)
  39                                 echo 'nvram='^$nvram
  40                         echo 'mouseport='^$mouseport
  41                         echo 'monitor='^$monitor
  42                         echo 'vgasize='^$vgasize
  43                         cd '#ec'
  44                         for(i in *){
  45                                 echo -n $"i'='
  46                                 cat $i
  47                                 echo
  48                         } | grep -v '(apm0|e820|bootfile|bootargs|nvram|mouseport|monitor|vgasize|cdboot)'
  49                 } >/tmp/plan9.ini
  50         }
  51
  52         # clean state
  53         rm -f /tmp/oldplan9.ini /tmp/pbs.bak
  54         unmount /n/9fat >[2]/dev/null
  55
  56         if(! test -f /srv/dos)
  57                 dossrv
  58
  59         need9fatformat=yes
  60         if(~ `{fstype $9fat} dos){
  61                 if(mount /srv/dos /n/9fat $9fat >[2]/dev/null){
  62                         if(cp /n/9fat/plan9.ini /tmp/oldplan9.ini >[2]/dev/null)
  63                                 need9fatformat=no
  64                         unmount /n/9fat >[2]/dev/null
  65
  66                         # make sure dossrv is gone
  67                         sleep 1
  68                 }
  69         }
  70
  71         # always make backup of old bootsector
  72         logprog dd -bs 512 -count 1 -if $9fat -of /tmp/pbs.bak
  73
  74         if(~ $need9fatformat yes){
  75                 log Initializing Plan 9 FAT partition.
  76                 logprog disk/format -r 2 -d -b /n/newfs/386/pbs $9fat
  77         }
  78         if not {
  79                 log Updating bootsector.
  80                 logprog disk/format -b /n/newfs/386/pbs $9fat
  81         }
  82
  83         logprog mount -c /srv/dos /n/9fat $9fat
  84
  85         logprog rm -f /n/9fat/^(9bootfat plan9.ini 9pcf 9pccpuf)
  86
  87         logprog cp /n/newfs/386/9bootfat /n/9fat/9bootfat
  88         # make file continous on disk
  89         logprog chmod +al /n/9fat/9bootfat
  90
  91         logprog cp /tmp/plan9.ini /n/9fat/plan9.ini
  92         logprog cp /n/newfs/386/9pcf /n/9fat/9pcf
  93         logprog cp /n/newfs/386/9pccpuf /n/9fat/9pccpuf
  94
  95         # copy in backups
  96         if(test -f /tmp/oldplan9.ini)
  97                 logprog cp /tmp/oldplan9.ini /n/9fat
  98         if(test -f /tmp/pbs.bak)
  99                 logprog cp /tmp/pbs.bak /n/9fat
 100
 101         logprog unmount /n/9fat
 102
 103         disk=`{basename `{basename -d $9fat}}
 104         if(bootplan9){
 105                 didbootsetup=1
 106                 export didbootsetup
 107         }
 108 }