pc_piix: document gigabyte_align
commitecdbfceb0f20a3ef784bf522ed7264660aa3d150
authorMichael S. Tsirkin <mst@redhat.com>
Mon, 16 Dec 2013 11:54:19 +0000 (16 13:54 +0200)
committerMichael S. Tsirkin <mst@redhat.com>
Mon, 23 Dec 2013 11:12:34 +0000 (23 13:12 +0200)
tree5478cb14de59c0fbc502af41c6f039d39970341a
parentbb43d3839c29b17a2f5c122114cd4ca978065a18
pc_piix: document gigabyte_align

Document the logic behind the below/above 4G split.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/i386/pc_piix.c