hw unit tests fixes

hw/unittest/top_modules/main.cpp

@@ -0,0 +1,49 @@
+// Copyright © 2019-2023
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "vl_simulator.h"
+
+#ifndef TRACE_START_TIME
+#define TRACE_START_TIME 0ull
+#endif
+
+#ifndef TRACE_STOP_TIME
+#define TRACE_STOP_TIME -1ull
+#endif
+
+static uint64_t timestamp = 0;
+static bool trace_enabled = false;
+static uint64_t trace_start_time = TRACE_START_TIME;
+static uint64_t trace_stop_time  = TRACE_STOP_TIME;
+
+double sc_time_stamp() { 
+  return timestamp;
+}
+
+bool sim_trace_enabled() {
+  if (timestamp >= trace_start_time 
+   && timestamp < trace_stop_time)
+    return true;
+  return trace_enabled;
+}
+
+void sim_trace_enable(bool enable) {
+  trace_enabled = enable;
+}
+
+int main(int argc, char **argv) {
+  // Initialize Verilators variables
+  Verilated::commandArgs(argc, argv);
+
+  return 0;
+}