diff --git a/arch/sandbox/include/asm/cpu.h b/arch/sandbox/include/asm/cpu.h
new file mode 100644
index 0000000..c97ac7b
--- /dev/null
+++ b/arch/sandbox/include/asm/cpu.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2020 Sean Anderson <seanga2@gmail.com>
+ */
+
+#ifndef __SANDBOX_CPU_H
+#define __SANDBOX_CPU_H
+
+void cpu_sandbox_set_current(const char *name);
+
+#endif /* __SANDBOX_CPU_H */