add test case focusing on simulation kernel performance

tests/sim_performance/pkt_switch.h

@@ -0,0 +1,37 @@
+/*
+ * blocks.h
+ *
+ *  Created on: 04.05.2020
+ *      Author: eyck
+ */
+
+#ifndef _SIM_PERFORMANCE_PKT_SWITCH_H_
+#define _SIM_PERFORMANCE_PKT_SWITCH_H_
+
+#include <systemc>
+#include "packet.h"
+#include <scc/tagged_initiator_mixin.h>
+#include <scc/tagged_target_mixin.h>
+#include <scc/sc_owning_signal.h>
+#include <array>
+
+
+class pkt_switch : sc_core::sc_module {
+public:
+    enum {NONE=std::numeric_limits<unsigned>::max()};
+    sc_core::sc_in<bool> clk_i{"clk_i"};
+    sc_core::sc_vector<scc::tagged_target_mixin<tlm::tlm_target_socket<32>>> tsck{"tsck",4};
+    sc_core::sc_vector<scc::tagged_initiator_mixin<tlm::tlm_initiator_socket<32>>> isck{"isck",4};
+    pkt_switch(sc_core::sc_module_name const&);
+    virtual ~pkt_switch() = default;
+private:
+    void clock_cb();
+    void output_cb(unsigned);
+    tlm::tlm_sync_enum nb_fw(unsigned, tlm::tlm_generic_payload&, tlm::tlm_phase&, sc_core::sc_time&);
+    tlm::tlm_sync_enum nb_bw(unsigned, tlm::tlm_generic_payload&, tlm::tlm_phase&, sc_core::sc_time&);
+    sc_core::sc_vector<scc::sc_owning_signal<tlm::tlm_generic_payload>> in_tx{"in_sig", 4};
+    sc_core::sc_vector<sc_core::sc_fifo<tlm::tlm_generic_payload*>> out_fifo{"out_peq", 4};
+    std::array<unsigned, 4> last_sel_inp{NONE, NONE, NONE, NONE};
+};
+
+#endif /* _SIM_PERFORMANCE_PKT_SWITCH_H_ */