rc/bin/inst/bootsetup

   1 #!/bin/rc
   2
   3 # desc: create a boot floppy or configure hard disk to boot plan 9
   4 # prereq: systype 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                 if(~ $syst cpu)
  35                         bootfile=9pccpuf
  36                 if not
  37                         bootfile=9pcf
  38                 @{
  39                         echo 'bootfile='^$bootfile
  40                         echo 'bootargs=local!'^$fs' '$"fsflags
  41                         if(~ $#nvram 1)
  42                                 echo 'nvram='^$nvram
  43                         echo 'mouseport='^$mouseport
  44                         echo 'monitor='^$monitor
  45                         echo 'vgasize='^$vgasize
  46                         cd '#ec'
  47                         for(i in *){
  48                                 echo -n $"i'='
  49                                 cat $i
  50                                 echo
  51                         } | grep -v '(apm0|e820|bootfile|bootargs|nvram|mouseport|monitor|vgasize|cdboot)'
  52                 } >/tmp/plan9.ini
  53         }
  54
  55         # clean state
  56         rm -f /tmp/oldplan9.ini /tmp/pbs.bak
  57         unmount /n/9fat >[2]/dev/null
  58
  59         if(! test -f /srv/dos)
  60                 dossrv
  61
  62         need9fatformat=yes
  63         if(~ `{fstype $9fat} dos){
  64                 if(mount /srv/dos /n/9fat $9fat >[2]/dev/null){
  65                         if(cp /n/9fat/plan9.ini /tmp/oldplan9.ini >[2]/dev/null)
  66                                 need9fatformat=no
  67                         unmount /n/9fat >[2]/dev/null
  68
  69                         # make sure dossrv is gone
  70                         sleep 1
  71                 }
  72         }
  73
  74         # always make backup of old bootsector
  75         logprog dd -bs 512 -count 1 -if $9fat -of /tmp/pbs.bak
  76
  77         if(~ $need9fatformat yes){
  78                 log Initializing Plan 9 FAT partition.
  79                 logprog disk/format -r 2 -d -b /n/newfs/386/pbs $9fat
  80         }
  81         if not {
  82                 log Updating bootsector.
  83                 logprog disk/format -b /n/newfs/386/pbs $9fat
  84         }
  85
  86         logprog mount -c /srv/dos /n/9fat $9fat
  87
  88         logprog rm -f /n/9fat/^(9bootfat plan9.ini 9pcf 9pccpuf)
  89
  90         logprog cp /n/newfs/386/9bootfat /n/9fat/9bootfat
  91         # make file continous on disk
  92         logprog chmod +al /n/9fat/9bootfat
  93
  94         logprog cp /tmp/plan9.ini /n/9fat/plan9.ini
  95         logprog cp /n/newfs/386/9pcf /n/9fat/9pcf
  96         logprog cp /n/newfs/386/9pccpuf /n/9fat/9pccpuf
  97
  98         # copy in backups
  99         if(test -f /tmp/oldplan9.ini)
 100                 logprog cp /tmp/oldplan9.ini /n/9fat
 101         if(test -f /tmp/pbs.bak)
 102                 logprog cp /tmp/pbs.bak /n/9fat
 103
 104         logprog unmount /n/9fat
 105
 106         disk=`{basename `{basename -d $9fat}}
 107         if(bootplan9){
 108                 didbootsetup=1
 109                 export didbootsetup
 110         }
 111 }