diff --git a/include/kernel/bf.h b/include/kernel/bf.h
new file mode 100644
index 0000000..9b7a95c
--- /dev/null
+++ b/include/kernel/bf.h
@@ -0,0 +1,9 @@
+#pragma once
+
+#include <kint.h>
+
+struct binfmt
+{
+	bool (*valid)(char header[16]);
+	void (*load)(uchar *buffer, uint len);
+};