diff --git a/top/e31x/.gitignore b/top/e31x/.gitignore
new file mode 100644
index 0000000..1b0a8a7
--- /dev/null
+++ b/top/e31x/.gitignore
@@ -0,0 +1,8 @@
+build
+build-*
+isim*
+fuse*
+tmp*
+*.log
+*.jou
+*impact*