fixed missing custom op, this should be merged with the main one later

Author: Lukas Stasytis

src/finn/custom_op/fpgadataflow/hwcustomop.py

@@ -235,6 +235,19 @@ def reset_rtlsim(self, sim):
         back to one"""
         finnxsi.reset_rtlsim(sim)
 
+    def rtlsim_multi_io_custom(self, sim, io_dict, sname="_V", batch_size=1):
+        "Run rtlsim for this node, supports multiple i/o streams."
+        num_out_values = self.get_number_output_values() * batch_size
+        total_cycle_count = finnxsi.rtlsim_multi_io(
+            sim,
+            io_dict,
+            num_out_values,
+            sname=sname,
+            liveness_threshold=get_liveness_threshold_cycles(),
+        )
+
+        self.set_nodeattr("cycles_rtlsim", total_cycle_count)
+
     def rtlsim_multi_io(self, sim, io_dict, sname="_V"):
         "Run rtlsim for this node, supports multiple i/o streams."
         num_out_values = self.get_number_output_values()
@@ -614,7 +627,7 @@ def derive_token_access_vectors_using_rtlsim(
         for k in txns_out.keys():
             txns_out[k] = sim.trace_stream(k + sname)
 
-        self.rtlsim_multi_io_custom(sim, io_dict, periods_to_simulate)
+        self.rtlsim_multi_io_custom(sim, io_dict, sname="_V", batch_size=periods_to_simulate)
 
         total_cycle_count = self.get_nodeattr("cycles_rtlsim")