8 echo 'usage: bootplan9 /dev/sdC0' >[1=2]
9 echo 'sets active the plan 9 partition on the named disk.' >[1=2]
16 if(! test -f $disk/$1) {
17 echo 'could not find '$disk/$1
26 diskbase=`{basename `{cleanname $disk}}
28 first=`{ls -p '#S' | sed 1q}
29 if(! ~ $first $diskbase) {
30 echo 'warning: The plan 9 partition is not on the boot disk,' >[1=2]
31 echo 'so making it the active partition will have no effect.' >[1=2]
34 p9offset=`{disk/fdisk -p $disk/data |grep '^part plan9 ' | awk '{print $4}'}
35 if(! ~ $#p9offset 1) {
36 echo 'could not find plan 9 partition.' >[1=2]
37 echo 'cannot happen' >[1=2]
41 if(test $p9offset -gt 4128705) { # 65536 * 63
43 echo 'Your Plan 9 partition is more than 2GB into your disk,' >[1=2]
44 echo 'and the master boot records used by most operating systems' >[1=2]
45 echo 'cannot access it (and thus cannot boot it).' >[1=2]
47 echo 'Would you like to install a master boot record' >[1=2]
48 echo 'that will be able to access partitions more than 2GB into the disk?' >[1=2]
50 prompt 'Install a new mbr' y n
54 echo 'Not setting Plan 9 partition active, then.' >[1=2]
58 disk/mbr -m /386/mbr $disk/data
62 p9part=`{disk/fdisk $disk/data >[2]/dev/null </dev/null |
63 grep PLAN9 | sed 1q | sed 's/ *(p.) .*/\1/'}
65 { echo 'A '^$p9part; echo w } | disk/fdisk $disk/data >[2]/dev/null >/dev/null
68 echo 'Could not find Plan 9 partition.'