tree b15ba9991c16043a62d649a3a161690416ee3460
parent 89da90b1b4acf24a9a3f2fd197b1bdf69ab24e72
author Avi Kivity <avi@redhat.com> 1314211025 +0300
committer Avi Kivity <avi@redhat.com> 1314258586 +0300

ppc_oldworld, ppc_newworld: fix escc BAR related crash

ppc maps the escc mmio region both at a fixed offset (as a sysbus area) and as part of a PCI BAR.
This crashes, since a MemoryRegion may have only one parent.  Use an alias so we have a separate
MemoryRegion for the BAR.

Signed-off-by: Avi Kivity <avi@redhat.com>