Solaris 11 bootadm
From Lolly's Wiki
Booten via SP-Console 115200 Baud
Add a new ttydef with 115200:
# echo "console115200:115200 hupcl opost onclr:115200::console" >> /etc/ttydefs
Set the new console for system/console-login:default
# svccfg -s svc:/system/console-login:default setprop ttymon/label=console115200
# svcadm refresh svc:/system/console-login:default
# svcadm restart svc:/system/console-login:default
Setup your boot menu:
# bootadm generate-menu
# bootadm set-menu console=text serial_params='0,115200,8,N,1'
# bootadm change-entry -i 0 kargs="-B \$zfs_bootfs,console=ttya"
# bootadm add-entry -i 1 "Solaris (non-cluster)"
# bootadm change-entry -i 1 kargs="-B \$zfs_bootfs,console=ttya -x"
# bootadm add-entry -i 2 "Solaris (non-cluster)(single-user)"
# bootadm change-entry -i 2 kargs="-B \$zfs_bootfs,console=ttya -xs"
# bootadm add-entry -i 3 "Solaris (kernel debugger)"
# bootadm change-entry -i 3 kargs="-B \$zfs_bootfs,console=ttya -k"
# bootadm add-entry -i 4 "Solaris (non-cluster)(milestone=none)"
# bootadm change-entry -i 4 kargs="-B \$zfs_bootfs,console=ttya -x -m milestone=none"