diff --git a/README.md b/README.md
index 995b181..6ff3b21 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,19 @@
 This openembedded layer provides the rust compiler, tools for building packages
 (cargo), and a few example projects.
 
+## What works:
+
+ rust-native
+
+## What doesn't:
+
+ cargo-native
+
+## What's untested:
+
+ cargo, rust (built for target)
+ rust-cross
+
 ## Dependencies
 
 On the host: