verilator_example_tracing: dump value change

1 files changed, 25 insertions, 0 deletions

diff --git a/verilator_example_tracing/sim_main.cc b/verilator_example_tracing/sim_main.cc
new file mode 100644
index 0000000..bcb5fa7
--- /dev/null
+++ b/verilator_example_tracing/sim_main.cc
@@ -0,0 +1,25 @@
+#include <cstdio>
+
+#include "Vhello.h"
+#include "verilated.h"
+
+int
+main(int argc, char **argv)
+{
+	VerilatedContext *cp = new VerilatedContext;
+	cp->traceEverOn(true);
+	cp->commandArgs(argc, argv);
+
+	Vhello *top = new Vhello{cp};
+	top->clk = 0;
+
+	while (!cp->gotFinish()) {
+		cp->timeInc(1);
+
+		top->clk = !top->clk;
+		top->eval();
+	}
+	top->final();
+	VL_PRINTF("[%" PRId64 "]\n", cp->time());
+	fprintf(stderr, "it finished.\n");
+}