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 switch($1) {
   7 case go
   8         echo
   9         echo 'Initializing Plan 9 FAT configuration partition (9fat)'
  10         echo
  11
  12         fat=(/dev/sd*/9fat)
  13         fat=$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(~ $need9fatformat yes){
  59                 log Initializing Plan 9 FAT partition.
  60                 disk/format -r 2 -d -b /386/pbs \
  61                         /dev/$disk/9fat /n/newfs/386/9bootfat
  62                 mount -c /srv/dos /n/9fat /dev/$disk/9fat
  63         }
  64
  65         if(! test -f /n/9fat/4e){
  66                 logprog cp /n/newfs/386/9bootfat /n/9fat/9bootfat
  67                 logprog cp /n/newfs/386/9pcf /n/9fat/9pcf
  68                 if(test -f /n/9fat/plan9.ini && ! test -f /n/9fat/plan9-3e.ini)
  69                         logprog mv /n/9fat/plan9.ini /n/9fat/plan9-3e.ini
  70                 if(test -f /n/9fat/9pcdisk && ! test -f /n/9fat/9pc3e)
  71                         logprog mv /n/9fat/9pcdisk /n/9fat/9pc3e
  72
  73                 awk -f /bin/inst/mkini.awk >/n/9fat/plan9.ini
  74                 >/n/9fat/4e
  75         }
  76
  77         echo
  78         echo 'There are myriad ways to boot a Plan 9 system.'
  79         echo 'You can use any of the following.'
  80         echo
  81         echo '  plan9  - make the plan 9 disk partition the default for booting'
  82         echo '  winnt  - add a plan 9 option to windows nt/2000/xp boot manager'
  83         echo
  84         echo 'If you are upgrading an extant third edition installation and booting'
  85         echo 'from something other than a floppy, you needn''t run anything here.'
  86         echo 'Just type ctl-d.'
  87
  88         oldbootsetup=$didbootsetup
  89         didbootsetup=1
  90         export didbootsetup
  91         prompt 'Enable boot method' plan9 winnt
  92
  93         if(! boot$rd){
  94                 didbootsetup=$oldbootsetup
  95                 export didbootsetup
  96         }
  97
  98 case checkdone
  99         xxxfat=(/dev/sd*/9fat)
 100         if(! isfat $xxxfat(1) || ! ~ $didbootsetup 1){
 101                 bootsetup=ready
 102                 export bootsetup
 103         }
 104 }