sim: Add a getPort function to SimObject.
This will retrieve a Port object from a given SimObject (which might
not be a MemObject) no matter what flavor of Port it is.
Change-Id: I636b85e9d4929a05a769e165849106bcb5f3e9c1
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/17037
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
diff --git a/src/python/m5/SimObject.py b/src/python/m5/SimObject.py
index b74e93a..0e29980 100644
--- a/src/python/m5/SimObject.py
+++ b/src/python/m5/SimObject.py
@@ -1642,6 +1642,10 @@
def getValue(self):
return self.getCCObject()
+ @cxxMethod(return_value_policy="reference")
+ def getPort(self, if_name, idx):
+ pass
+
# Create C++ port connections corresponding to the connections in
# _port_refs
def connectPorts(self):
diff --git a/src/sim/sim_object.cc b/src/sim/sim_object.cc
index ab92ae5..7b794a0 100644
--- a/src/sim/sim_object.cc
+++ b/src/sim/sim_object.cc
@@ -133,6 +133,12 @@
return probeManager;
}
+Port &
+SimObject::getPort(const std::string &if_name, PortID idx)
+{
+ fatal("%s does not have any port named %s\n", name(), if_name);
+}
+
//
// static function: serialize all SimObjects.
//
diff --git a/src/sim/sim_object.hh b/src/sim/sim_object.hh
index 42a19bb..5c9bf00 100644
--- a/src/sim/sim_object.hh
+++ b/src/sim/sim_object.hh
@@ -56,6 +56,7 @@
#include "sim/drain.hh"
#include "sim/eventq.hh"
#include "sim/eventq_impl.hh"
+#include "sim/port.hh"
#include "sim/serialize.hh"
class EventManager;
@@ -170,6 +171,18 @@
ProbeManager *getProbeManager();
/**
+ * Get a port with a given name and index. This is used at binding time
+ * and returns a reference to a protocol-agnostic port.
+ *
+ * @param if_name Port name
+ * @param idx Index in the case of a VectorPort
+ *
+ * @return A reference to the given port
+ */
+ virtual Port &getPort(const std::string &if_name,
+ PortID idx=InvalidPortID);
+
+ /**
* startup() is the final initialization call before simulation.
* All state is initialized (including unserialized state, if any,
* such as the curTick() value), so this is the appropriate place to
