/lib/rob: Just write the code.

[plan9front.git] / rc / bin / inst / bootsetup

diff --git a/rc/bin/inst/bootsetup b/rc/bin/inst/bootsetup
index 7de6978507896b8f741611a8ea72c85fc1f6b3a1..099c00a38fb1e53b060329018e78d8d1eb85c459 100755 (executable)
--- a/rc/bin/inst/bootsetup
+++ b/rc/bin/inst/bootsetup
@@ -1,85 +1,107 @@
 #!/bin/rc
 
 # desc: create a boot floppy or configure hard disk to boot plan 9
-# prereq: systype copydist
+# prereq: copydist
+
+fats=()
+for(i in /dev/sd*/9fat){
+       if(test -f $i)
+               fats=($fats $i)
+}
 
 switch($1) {
+case checkdone checkready
+       if(~ $#fats 0 || ~ $#9fat 1 && ~ `{fstype $9fat} dos && ~ $didbootsetup 1)
+               bootsetup=done
+       if not
+               bootsetup=ready
+       export bootsetup
+
 case go
        echo
-       echo 'Initializing Plan 9 FAT configuration partition (9fat)'
+       echo 'Setup Plan 9 FAT boot partition (9fat)'
        echo
-       
-       fat=(/dev/sd*/9fat)
-       fat=$fat(1)
-       disk=`{echo $fat | sed 's:/dev/::;s:/9fat::'}
-       if(! test -f $fat) {
-               echo 'You have no 9fat partition.  Can''t setup booting.'
-               exit
-       }
+
+       if(~ $#fats 1)
+               default=(-d $fats)
+       if not
+               default=()
+       prompt $default 'Plan 9 FAT partition' $fats
+       9fat=$rd
+       export 9fat
 
        if(! test -f /tmp/plan9.ini) {
-               if(~ $syst cpu)
-                       bootfile=9pccpuf
-               if not
-                       bootfile=9pcf
-               {
+               bootfile=9pcf
+               @{
                        echo 'bootfile='^$bootfile
-                       echo 'bootargs=local!'^$fs
-                       echo 'sysname=cirno'
+                       echo 'bootargs=local!'^$fs' '$"fsflags
+                       if(~ $#nvram 1)
+                               echo 'nvram='^$nvram
                        echo 'mouseport='^$mouseport
                        echo 'monitor='^$monitor
                        echo 'vgasize='^$vgasize
-                       if(test -f '#ec/*nomp')
-                               echo '*nomp='
+                       cd '#ec'
+                       for(i in *){
+                               echo -n $"i'='
+                               cat $i
+                               echo
+                       } | grep -v '(apm0|e820|bootfile|bootargs|nvram|mouseport|monitor|vgasize|cdboot)'
                } >/tmp/plan9.ini
        }
 
-       need9fatformat=no
-       if(! ~ `{fstype $fat} dos)
-               need9fatformat=yes
+       # clean state
+       rm -f /tmp/oldplan9.ini /tmp/pbs.bak
+       unmount /n/9fat >[2]/dev/null
+
        if(! test -f /srv/dos)
                dossrv
-       if(! mount -c /srv/dos /n/9fat $fat >[2]/dev/null)
-               need9fatformat=yes
-       if not if(! test -f /n/9fat/plan9.ini)
-               need9fatformat=yes
+
+       need9fatformat=yes
+       if(~ `{fstype $9fat} dos){
+               if(mount /srv/dos /n/9fat $9fat >[2]/dev/null){
+                       if(cp /n/9fat/plan9.ini /tmp/oldplan9.ini >[2]/dev/null)
+                               need9fatformat=no
+                       unmount /n/9fat >[2]/dev/null
+
+                       # make sure dossrv is gone
+                       sleep 1
+               }
+       }
+
+       # always make backup of old bootsector
+       logprog dd -bs 512 -count 1 -if $9fat -of /tmp/pbs.bak
 
        if(~ $need9fatformat yes){
                log Initializing Plan 9 FAT partition.
-               disk/format -r 2 -d -b /386/pbs $fat /n/newfs/386/9bootfat
-               mount -c /srv/dos /n/9fat $fat
+               logprog disk/format -r 2 -d -b /n/newfs/386/pbs $9fat
        }
-       logprog cp /tmp/plan9.ini /n/9fat/plan9.ini
+       if not {
+               log Updating bootsector.
+               logprog disk/format -b /n/newfs/386/pbs $9fat
+       }
+
+       logprog mount -c /srv/dos /n/9fat $9fat
+
+       logprog rm -f /n/9fat/^(9bootfat plan9.ini 9pcf)
+
        logprog cp /n/newfs/386/9bootfat /n/9fat/9bootfat
+       # make file continous on disk
+       logprog chmod +al /n/9fat/9bootfat
+
+       logprog cp /tmp/plan9.ini /n/9fat/plan9.ini
        logprog cp /n/newfs/386/9pcf /n/9fat/9pcf
-       logprog cp /n/newfs/386/9pccpuf /n/9fat/9pccpuf
 
-       echo
-       echo 'There are myriad ways to boot a Plan 9 system.'
-       echo 'You can use any of the following.'
-       echo
-       echo '  plan9  - make the plan 9 disk partition the default for booting'
-       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=$didbootsetup
-       didbootsetup=1
-       export didbootsetup
-       prompt 'Enable boot method' plan9 winnt
-       
-       if(! boot$rd){
-               didbootsetup=$oldbootsetup
-               export didbootsetup
-       }
+       # copy in backups
+       if(test -f /tmp/oldplan9.ini)
+               logprog cp /tmp/oldplan9.ini /n/9fat
+       if(test -f /tmp/pbs.bak)
+               logprog cp /tmp/pbs.bak /n/9fat
 
-case checkdone
-       xxxfat=(/dev/sd*/9fat)
-       xxxfat=$xxxfat(1)
-       if(! ~ `{fstype $xxxfat} dos || ! ~ $didbootsetup 1){
-               bootsetup=ready
-               export bootsetup
+       logprog unmount /n/9fat
+
+       disk=`{basename `{basename -d $9fat}}
+       if(./bootplan9){
+               didbootsetup=1
+               export didbootsetup
        }
 }