sysbus: add sysbus_add_memory_overlap()

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

1 files changed, 7 insertions, 0 deletions

diff --git a/hw/sysbus.c b/hw/sysbus.c
index f5f0ed219a..6e89f065b4 100644
--- a/hw/sysbus.c
+++ b/hw/sysbus.c
@@ -263,6 +263,13 @@ void sysbus_add_memory(SysBusDevice *dev, target_phys_addr_t addr,
     memory_region_add_subregion(get_system_memory(), addr, mem);
 }
 
+void sysbus_add_memory_overlap(SysBusDevice *dev, target_phys_addr_t addr,
+                               MemoryRegion *mem, unsigned priority)
+{
+    memory_region_add_subregion_overlap(get_system_memory(), addr, mem,
+                                        priority);
+}
+
 void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem)
 {
     memory_region_del_subregion(get_system_memory(), mem);