1 files changed, 72 insertions, 0 deletions
diff --git a/sys/dev/random/randomdev_none.c b/sys/dev/random/randomdev_none.c
new file mode 100644
index 0000000..ee5cbf2
--- /dev/null
+++ b/sys/dev/random/randomdev_none.c
@@ -0,0 +1,72 @@
+/*-
+ * Copyright (c) 2015 Mark R V Murray
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer
+ *    in this position and unchanged.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/malloc.h>
+#include <sys/random.h>
+#include <sys/systm.h>
+
+#include <dev/random/randomdev.h>
+
+#include "opt_random.h"
+
+#if defined(RANDOM_DUMMY) || defined(RANDOM_YARROW)
+#error "Cannot define any of RANDOM_DUMMY and RANDOM_YARROW without 'device random'"
+#endif
+
+/*-
+ * Dummy "not even here" device. Stub out all routines that the kernel would need.
+ */
+
+/* ARGSUSED */
+u_int
+read_random(void *random_buf __unused, u_int len __unused)
+{
+
+	return (0);
+}
+
+/* ARGSUSED */
+void
+random_harvest_direct(const void *entropy __unused, u_int count __unused, u_int bits __unused, enum random_entropy_source origin __unused)
+{
+}
+
+/* ARGSUSED */
+void
+random_harvest_queue(const void *entropy __unused, u_int count __unused, u_int bits __unused, enum random_entropy_source origin __unused)
+{
+}
+
+/* ARGSUSED */
+void
+random_harvest_fast(const void *entropy __unused, u_int count __unused, u_int bits __unused, enum random_entropy_source origin __unused)
+{
+}