diff --git a/rust/interrupt/.cargo/config b/rust/interrupt/.cargo/config
new file mode 100644
index 0000000..27904bc
--- /dev/null
+++ b/rust/interrupt/.cargo/config
@@ -0,0 +1,4 @@
+[target.riscv64gc-unknown-none-elf]
+rustflags = [
+  "-C", "link-arg=-Ttrap.x",
+]