sysbus: add sysbus_add_memory_overlap()

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

diff --git a/hw/sysbus.c b/hw/sysbus.c
index 02b4e49a916eda0d554822d54bb219ee434cf1b5..4fab5a41b25e72adee7315107e617ebb1d4d8486 100644 (file)
--- a/hw/sysbus.c
+++ b/hw/sysbus.c
@@ -268,6 +268,13 @@ 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);

diff --git a/hw/sysbus.h b/hw/sysbus.h
index e14055fdfd733c5e9791b6362356d677ba109906..6c36537c24d80f702dd082e9cbd96f609aa9a4c6 100644 (file)
--- a/hw/sysbus.h
+++ b/hw/sysbus.h
@@ -60,6 +60,8 @@ void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq);
 void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr);
 void sysbus_add_memory(SysBusDevice *dev, target_phys_addr_t addr,
                        MemoryRegion *mem);
+void sysbus_add_memory_overlap(SysBusDevice *dev, target_phys_addr_t addr,
+                               MemoryRegion *mem, unsigned priority);
 void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem);
 void sysbus_add_io(SysBusDevice *dev, target_phys_addr_t addr,
                    MemoryRegion *mem);