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-rw-r--r--src/sim/port.hh19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/sim/port.hh b/src/sim/port.hh
index ee4b548a5..111417263 100644
--- a/src/sim/port.hh
+++ b/src/sim/port.hh
@@ -126,6 +126,25 @@ class Port
/** Is this port currently connected to a peer? */
bool isConnected() const { return _connected; }
+
+ /** A utility function to make it easier to swap out ports. */
+ void
+ takeOverFrom(Port *old)
+ {
+ assert(old);
+ assert(old->isConnected());
+ assert(!isConnected());
+ Port &peer = old->getPeer();
+ assert(peer.isConnected());
+
+ // Disconnect the original binding.
+ old->unbind();
+ peer.unbind();
+
+ // Connect the new binding.
+ peer.bind(*this);
+ bind(peer);
+ }
};
#endif //__SIM_PORT_HH__