1 files changed, 28 insertions, 0 deletions
diff --git a/sys/amd64/include/_bus.h b/sys/amd64/include/_bus.h
new file mode 100644
index 000000000000..ce73118c9793
--- /dev/null
+++ b/sys/amd64/include/_bus.h
@@ -0,0 +1,28 @@
+/*-
+ * Copyright (c) 2005 The FreeBSD Foundation.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Derived in part from NetBSD's bus.h files by (alphabetically):
+ *	Christopher G. Demetriou
+ *	Charles M. Hannum
+ *	Jason Thorpe
+ *	The NetBSD Foundation.
+ */
+
+#ifndef AMD64_INCLUDE__BUS_H
+#define AMD64_INCLUDE__BUS_H
+
+/*
+ * Bus address and size types
+ */
+typedef uint64_t bus_addr_t;
+typedef uint64_t bus_size_t;
+
+/*
+ * Access methods for bus resources and address space.
+ */
+typedef	uint64_t bus_space_tag_t;
+typedef	uint64_t bus_space_handle_t;
+
+#endif /* AMD64_INCLUDE__BUS_H */