tree b19b9e738828223ed7d13b77a70ca754154d8fae
parent c1990ebfa11265d3aa9b6a4d5d1a02bd3f9ac5c6
author Glauber Costa <glommer@redhat.com> 1305571508 -0300
committer Anthony Liguori <aliguori@us.ibm.com> 1307472750 -0500

Add an isa device for SGA

This patch adds a dummy legacy ISA device whose responsibility is to
deploy sgabios, an option rom for a serial graphics adapter.
The proposal is that this device is always-on when -nographics,
but can otherwise be enable in any setup when -device sga is used.

[v2: suggestions on qdev by Markus ]
[v3: cleanups and documentation, per list suggestions ]

Signed-off-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>