adds initial files for mt test

tests/quantum_keeper_mt/top_module.h

@@ -0,0 +1,44 @@
+#ifndef _TOP_MODULE_H_
+#define _TOP_MODULE_H_
+
+#include <atomic>
+#include <scc/async_queue.h>
+#include <scc/async_thread.h>
+#include <scc/report.h>
+#include <sysc/kernel/sc_initializer_function.h>
+#include <tlm/scc/quantum_keeper.h>
+#include <tlm>
+
+struct top_module : ::sc_core ::sc_module {
+    top_module(sc_core::sc_module_name nm)
+    : sc_core::sc_module(nm) {
+        SC_THREAD(run);
+    }
+
+    ~top_module() {}
+
+private:
+    void run() {
+        wait(sc_core::SC_ZERO_TIME); // separate from elaboration phase
+        do {
+            quantum_keeper.reset();
+            core_executor.start([this]() { thread_exec(); });
+            wait(core_executor.thread_finish_event());
+        } while(!finish.load(std::memory_order_relaxed));
+        sc_core::sc_stop();
+    }
+
+    void thread_exec() {
+        for(auto i = 0u; i < 16; ++i) {
+            SCCINFO(SCMOD) << "[" << __PRETTY_FUNCTION__ << "]" << " local time " << quantum_keeper.get_local_absolute_time();
+            quantum_keeper.check_and_sync(1_us);
+        }
+        finish.store(true, std::memory_order_release);
+    }
+    tlm::scc::quantumkeeper_mt quantum_keeper;
+    std::atomic_bool finish{false};
+    scc::async_thread core_executor;
+};
+// top_module
+
+#endif // _TOP_MODULE_H_