verilator_example_c++: hello

4 files changed, 34 insertions, 0 deletions

diff --git a/verilator_example_c++/.gitignore b/verilator_example_c++/.gitignore
new file mode 100644
index 0000000..d38e9f1
--- /dev/null
+++ b/verilator_example_c++/.gitignore
@@ -0,0 +1 @@
+/obj_dir
diff --git a/verilator_example_c++/Makefile b/verilator_example_c++/Makefile
new file mode 100644
index 0000000..42f6e54
--- /dev/null
+++ b/verilator_example_c++/Makefile
@@ -0,0 +1,12 @@
+all: obj_dir/Vhello
+
+check: all
+	obj_dir/Vhello
+
+clean:
+	rm -fr obj_dir
+
+.PHONY: all check clean
+
+obj_dir/Vhello: hello.v sim_main.cc
+	verilator --cc --exe --build -j 0 -Wall sim_main.cc hello.v
diff --git a/verilator_example_c++/hello.v b/verilator_example_c++/hello.v
new file mode 100644
index 0000000..8e163d5
--- /dev/null
+++ b/verilator_example_c++/hello.v
@@ -0,0 +1,6 @@
+module hello;
+	initial begin
+		$display("hello.");
+		$finish;
+	end
+endmodule
diff --git a/verilator_example_c++/sim_main.cc b/verilator_example_c++/sim_main.cc
new file mode 100644
index 0000000..6652dd9
--- /dev/null
+++ b/verilator_example_c++/sim_main.cc
@@ -0,0 +1,15 @@
+#include <cstdio>
+
+#include "Vhello.h"
+#include "verilated.h"
+
+int
+main(int argc, char **argv)
+{
+	VerilatedContext *cp = new VerilatedContext;
+	cp->commandArgs(argc, argv);
+	Vhello *top = new Vhello{cp};
+	while (!cp->gotFinish())
+		top->eval();
+	fprintf(stderr, "it finished.\n");
+}