From 29b1f000316f17da248fd0be625d92e1f08b3f56 Mon Sep 17 00:00:00 2001
From: Fabien Marteau <fabien.marteau@armadeus.com>
Date: Thu, 7 Mar 2024 23:41:48 +0100
Subject: [PATCH] Adding companion main class to generate GCD.v verilog source
 (#126)

---
 src/main/scala/gcd/GCD.scala | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/main/scala/gcd/GCD.scala b/src/main/scala/gcd/GCD.scala
index 07e434ca..42c5e804 100644
--- a/src/main/scala/gcd/GCD.scala
+++ b/src/main/scala/gcd/GCD.scala
@@ -3,6 +3,8 @@
 package gcd
 
 import chisel3._
+// _root_ disambiguates from package chisel3.util.circt if user imports chisel3.util._
+import _root_.circt.stage.ChiselStage
 
 /**
   * Compute GCD using subtraction method.
@@ -32,3 +34,13 @@ class GCD extends Module {
   io.outputGCD := x
   io.outputValid := y === 0.U
 }
+
+/**
+ * Generate Verilog sources and save it in file GCD.v
+ */
+object GCD extends App {
+  ChiselStage.emitSystemVerilogFile(
+    new GCD,
+    firtoolOpts = Array("-disable-all-randomization", "-strip-debug-info")
+  )
+}