Add Verilator support

_web_server/server/top_verilator.cpp

@@ -0,0 +1,58 @@
+#include "V@TOPMODULE@.h"
+
+#include <cstdint>
+#include <verilated.h>
+#include <verilated_vcd_c.h>
+
+#define DUMPFILE          "@WORKDIR@/@TOPMODULE@.vcd"
+#define CLOCK_HALF_PERIOD 5000
+
+int main(int argc, char **argv)
+{
+    VerilatedContext *ctx = new VerilatedContext;
+    ctx->commandArgs(argc, argv);
+
+    /* Create model instance */
+    V@TOPMODULE@ *top = new V@TOPMODULE@(ctx);
+
+#if (VM_TRACE == 1)
+    VerilatedVcdC *vcd = new VerilatedVcdC;
+    ctx->traceEverOn(true);
+    top->trace(vcd, 99);
+    vcd->open(DUMPFILE);
+#endif
+
+    top->clock = 0;
+
+    /* ---- Evaluation loop ---- */
+    for (;;) {
+        /* Eval */
+        top->eval();
+
+        /* Trace steady-state values */
+#if (VM_TRACE == 1)
+        if (vcd) vcd->dump(ctx->time());
+#endif
+
+        /* Break exactly after calling $finish */
+        if (ctx->gotFinish()) break;
+
+        /* Clock event */
+        ctx->timeInc(CLOCK_HALF_PERIOD);
+        top->clock = top->clock ? 0 : 1;
+    }
+
+    top->final();
+    printf("[%lu] Stop simulation\n", ctx->time());
+
+#if (VM_TRACE == 1)
+    if (vcd) {
+        vcd->close();
+        delete vcd;
+    }
+#endif
+
+    delete top;
+    delete ctx;
+    return 0;
+}