diff --git a/cpu/cpu_riscv64.go b/cpu/cpu_riscv64.go
index efe2b7a..80f4da9 100644
--- a/cpu/cpu_riscv64.go
+++ b/cpu/cpu_riscv64.go
@@ -7,3 +7,5 @@
 package cpu
 
 const cacheLineSize = 32
+
+func doinit() {}