fix console switch
Import some console switch improvements and fixes from qemu mainstream.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
This includes relevant parts of:
af3a9031061251fbbee2c1f06b876c3732cfee71
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3068
c046a42c-6fe2-441c-8c8c-
71466251a162
New features for QEMU text console, by Stefan Weil.
a528b80cb09977806129249ea604aaef3830f3ec
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3489
c046a42c-6fe2-441c-8c8c-
71466251a162
Miscellaneous VNC related fixes from Xen forwarded by Matthew Kent.