diff --git a/lib/libc/memset.c b/lib/libc/memset.c
new file mode 100644
index 0000000..d8007d8
--- /dev/null
+++ b/lib/libc/memset.c
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stddef.h>
+#include <string.h>
+
+void *memset(void *dst, int val, size_t count)
+{
+	char *ptr = dst;
+
+	while (count--)
+		*ptr++ = val;
+
+	return dst;
+}