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authorAvi Kivity <avi@redhat.com>2011-12-08 15:57:34 +0200
committerAvi Kivity <avi@redhat.com>2011-12-20 14:14:06 +0200
commit62ec4832ea1093b20a8a0893a016a00ef8145496 (patch)
tree21c76f42e903ebf5ca1177cbc194c72a6e99fd7a
parentab0115e10ca2221a7844ac5fd18842976eec3b2b (diff)
sysbus: add sysbus_address_space()
Given a bus device, retrieves the memory address space for its bus. Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--hw/sysbus.c5
-rw-r--r--hw/sysbus.h1
2 files changed, 6 insertions, 0 deletions
diff --git a/hw/sysbus.c b/hw/sysbus.c
index 81a57bdba8..7016903163 100644
--- a/hw/sysbus.c
+++ b/hw/sysbus.c
@@ -261,3 +261,8 @@ void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem)
{
memory_region_del_subregion(get_system_io(), mem);
}
+
+MemoryRegion *sysbus_address_space(SysBusDevice *dev)
+{
+ return get_system_memory();
+}
diff --git a/hw/sysbus.h b/hw/sysbus.h
index 2f4025b221..899756bf7f 100644
--- a/hw/sysbus.h
+++ b/hw/sysbus.h
@@ -57,6 +57,7 @@ void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem);
void sysbus_add_io(SysBusDevice *dev, target_phys_addr_t addr,
MemoryRegion *mem);
void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem);
+MemoryRegion *sysbus_address_space(SysBusDevice *dev);
/* Legacy helper function for creating devices. */
DeviceState *sysbus_create_varargs(const char *name,