Adds verilator flags (seemingly not working)

2025-11-13 10:13:23 +01:00
parent 470445c441
commit 3958a6ad8f
1 changed files with 7 additions and 0 deletions
--- a/build.sc
+++ b/build.sc
@@ -51,6 +51,13 @@ object `TPchisel` extends SbtModule { m =>
        )

        val nproc = sys.env.get("NPROC").getOrElse("1");
+
+        override def forkEnv = T {
+            super.forkEnv() ++ Map(
+                "VERILATOR_FLAGS" -> "--O3 --noassert --no-coverage --x-assign fast --x-initial fast --trace-fst -CFLAGS -O3 -CFLAGS -march=native -CFLAGS -flto -LDFLAGS -flto --threads 4",
+                "VERILATOR_RECOMPILE" -> "false"
+            )
+        }
        override def forkArgs = super.forkArgs() ++ Seq(
            "-Dscalatest.parallel.enabled=true",
            "-Dscalatest.parallel.mode=concurrent",