Add some Chisel2 driver emulation methods

I don't want to have to maintain a big rocket-chip fork to have it run
through Chisel3, so instead I'm adding back some of the driver routines
that existed in Chisel2.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/main/scala/Chisel/Driver.scala b/src/main/scala/Chisel/Driver.scala
index 6a5e2095..a6f61f69 100644
--- a/src/main/scala/Chisel/Driver.scala
+++ b/src/main/scala/Chisel/Driver.scala
@@ -113,4 +113,7 @@ object Driver extends BackendCompilationUtilities {
     w.close()
     f
   }
+
+  // FIXME: This is hard coded and should come in from a command-line argument
+  def targetDir(): String = { "vsim/generated-src" }
 }