diff --git a/usys.S b/usys.S
index 8bfd8a1bc4..a9c3f056cc 100644
--- a/usys.S
+++ b/usys.S
@@ -29,3 +29,8 @@ SYSCALL(getpid)
 SYSCALL(sbrk)
 SYSCALL(sleep)
 SYSCALL(uptime)
+SYSCALL(sort_syscalls)
+SYSCALL(get_most_invoked_syscall)
+SYSCALL(list_all_processes)
+SYSCALL(move_file)
+SYSCALL(find_palindrome)