diff --git a/src/sim/SConscript b/src/sim/SConscript
index 75b595b8a1..e26676c00a 100644
--- a/src/sim/SConscript
+++ b/src/sim/SConscript
@@ -42,6 +42,7 @@ SimObject('SubSystem.py', sim_objects=['SubSystem'])
 SimObject('RedirectPath.py', sim_objects=['RedirectPath'])
 SimObject('PowerState.py', sim_objects=['PowerState'], enums=['PwrState'])
 SimObject('PowerDomain.py', sim_objects=['PowerDomain'])
+SimObject('SignalPort.py', sim_objects=[])
 
 Source('async.cc')
 Source('backtrace_%s.cc' % env['BACKTRACE_IMPL'], add_tags='gem5 trace')
diff --git a/src/sim/SignalPort.py b/src/sim/SignalPort.py
new file mode 100644
index 0000000000..fc529a8b45
--- /dev/null
+++ b/src/sim/SignalPort.py
@@ -0,0 +1,77 @@
+# Copyright 2023 Google, Inc.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+from m5.params import Port, VectorPort
+
+SIGNAL_SOURCE_ROLE_TEMPLATE = "Signal source <%s>"
+SIGNAL_SINK_ROLE_TEMPLATE = "Signal sink <%s>"
+
+
+def SignalSourcePort(type_signature):
+    source_role = SIGNAL_SOURCE_ROLE_TEMPLATE % type_signature
+    sink_role = SIGNAL_SINK_ROLE_TEMPLATE % type_signature
+    Port.compat(source_role, sink_role)
+
+    class SignalSourcePort(Port):
+        def __init__(self, desc):
+            super().__init__(source_role, desc, is_source=True)
+
+    return SignalSourcePort
+
+
+def VectorSignalSourcePort(type_signature):
+    source_role = SIGNAL_SOURCE_ROLE_TEMPLATE % type_signature
+    sink_role = SIGNAL_SINK_ROLE_TEMPLATE % type_signature
+    Port.compat(source_role, sink_role)
+
+    class VectorSignalSourcePort(VectorPort):
+        def __init__(self, desc):
+            super().__init__(source_role, desc, is_source=True)
+
+    return VectorSignalSourcePort
+
+
+def SignalSinkPort(type_signature):
+    source_role = SIGNAL_SOURCE_ROLE_TEMPLATE % type_signature
+    sink_role = SIGNAL_SINK_ROLE_TEMPLATE % type_signature
+    Port.compat(source_role, sink_role)
+
+    class SignalSinkPort(Port):
+        def __init__(self, desc):
+            super().__init__(sink_role, desc)
+
+    return SignalSinkPort
+
+
+def VectorSignalSinkPort(type_signature):
+    source_role = SIGNAL_SOURCE_ROLE_TEMPLATE % type_signature
+    sink_role = SIGNAL_SINK_ROLE_TEMPLATE % type_signature
+    Port.compat(source_role, sink_role)
+
+    class VectorSignalSinkPort(VectorPort):
+        def __init__(self, desc):
+            super().__init__(sink_role, desc)
+
+    return VectorSignalSinkPort