diff --git a/sys/sys/bus.h b/sys/sys/bus.h
index 8216eda953e1..fd965717eefe 100644
--- a/sys/sys/bus.h
+++ b/sys/sys/bus.h
@@ -519,6 +519,141 @@ static __inline void varp ## _set_ ## var(device_t dev, type t)		\
 	    ivarp ## _IVAR_ ## ivar, v);				\
 }
 
+/**
+ * Shorthand macros, taking resource argument
+ * Generated with sys/tools/bus_macro.sh
+ */
+
+#define bus_barrier(r, o, l, f) \
+	bus_space_barrier((r)->r_bustag, (r)->r_bushandle, (o), (l), (f))
+#define bus_read_1(r, o) \
+	bus_space_read_1((r)->r_bustag, (r)->r_bushandle, (o))
+#define bus_read_multi_1(r, o, d, c) \
+	bus_space_read_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_region_1(r, o, d, c) \
+	bus_space_read_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_set_multi_1(r, o, v, c) \
+	bus_space_set_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_set_region_1(r, o, v, c) \
+	bus_space_set_region_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_write_1(r, o, v) \
+	bus_space_write_1((r)->r_bustag, (r)->r_bushandle, (o), (v))
+#define bus_write_multi_1(r, o, d, c) \
+	bus_space_write_multi_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_write_region_1(r, o, d, c) \
+	bus_space_write_region_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_stream_1(r, o) \
+	bus_space_read_stream_1((r)->r_bustag, (r)->r_bushandle, (o))
+#define bus_read_multi_stream_1(r, o, d, c) \
+	bus_space_read_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_region_stream_1(r, o, d, c) \
+	bus_space_read_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_set_multi_stream_1(r, o, v, c) \
+	bus_space_set_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_set_region_stream_1(r, o, v, c) \
+	bus_space_set_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_write_stream_1(r, o, v) \
+	bus_space_write_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (v))
+#define bus_write_multi_stream_1(r, o, d, c) \
+	bus_space_write_multi_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_write_region_stream_1(r, o, d, c) \
+	bus_space_write_region_stream_1((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_2(r, o) \
+	bus_space_read_2((r)->r_bustag, (r)->r_bushandle, (o))
+#define bus_read_multi_2(r, o, d, c) \
+	bus_space_read_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_region_2(r, o, d, c) \
+	bus_space_read_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_set_multi_2(r, o, v, c) \
+	bus_space_set_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_set_region_2(r, o, v, c) \
+	bus_space_set_region_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_write_2(r, o, v) \
+	bus_space_write_2((r)->r_bustag, (r)->r_bushandle, (o), (v))
+#define bus_write_multi_2(r, o, d, c) \
+	bus_space_write_multi_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_write_region_2(r, o, d, c) \
+	bus_space_write_region_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_stream_2(r, o) \
+	bus_space_read_stream_2((r)->r_bustag, (r)->r_bushandle, (o))
+#define bus_read_multi_stream_2(r, o, d, c) \
+	bus_space_read_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_region_stream_2(r, o, d, c) \
+	bus_space_read_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_set_multi_stream_2(r, o, v, c) \
+	bus_space_set_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_set_region_stream_2(r, o, v, c) \
+	bus_space_set_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_write_stream_2(r, o, v) \
+	bus_space_write_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (v))
+#define bus_write_multi_stream_2(r, o, d, c) \
+	bus_space_write_multi_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_write_region_stream_2(r, o, d, c) \
+	bus_space_write_region_stream_2((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_4(r, o) \
+	bus_space_read_4((r)->r_bustag, (r)->r_bushandle, (o))
+#define bus_read_multi_4(r, o, d, c) \
+	bus_space_read_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_region_4(r, o, d, c) \
+	bus_space_read_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_set_multi_4(r, o, v, c) \
+	bus_space_set_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_set_region_4(r, o, v, c) \
+	bus_space_set_region_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_write_4(r, o, v) \
+	bus_space_write_4((r)->r_bustag, (r)->r_bushandle, (o), (v))
+#define bus_write_multi_4(r, o, d, c) \
+	bus_space_write_multi_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_write_region_4(r, o, d, c) \
+	bus_space_write_region_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_stream_4(r, o) \
+	bus_space_read_stream_4((r)->r_bustag, (r)->r_bushandle, (o))
+#define bus_read_multi_stream_4(r, o, d, c) \
+	bus_space_read_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_region_stream_4(r, o, d, c) \
+	bus_space_read_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_set_multi_stream_4(r, o, v, c) \
+	bus_space_set_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_set_region_stream_4(r, o, v, c) \
+	bus_space_set_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_write_stream_4(r, o, v) \
+	bus_space_write_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (v))
+#define bus_write_multi_stream_4(r, o, d, c) \
+	bus_space_write_multi_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_write_region_stream_4(r, o, d, c) \
+	bus_space_write_region_stream_4((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_8(r, o) \
+	bus_space_read_8((r)->r_bustag, (r)->r_bushandle, (o))
+#define bus_read_multi_8(r, o, d, c) \
+	bus_space_read_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_region_8(r, o, d, c) \
+	bus_space_read_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_set_multi_8(r, o, v, c) \
+	bus_space_set_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_set_region_8(r, o, v, c) \
+	bus_space_set_region_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_write_8(r, o, v) \
+	bus_space_write_8((r)->r_bustag, (r)->r_bushandle, (o), (v))
+#define bus_write_multi_8(r, o, d, c) \
+	bus_space_write_multi_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_write_region_8(r, o, d, c) \
+	bus_space_write_region_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_stream_8(r, o) \
+	bus_space_read_stream_8((r)->r_bustag, (r)->r_bushandle, (o))
+#define bus_read_multi_stream_8(r, o, d, c) \
+	bus_space_read_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_read_region_stream_8(r, o, d, c) \
+	bus_space_read_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_set_multi_stream_8(r, o, v, c) \
+	bus_space_set_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_set_region_stream_8(r, o, v, c) \
+	bus_space_set_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v), (c))
+#define bus_write_stream_8(r, o, v) \
+	bus_space_write_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (v))
+#define bus_write_multi_stream_8(r, o, d, c) \
+	bus_space_write_multi_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
+#define bus_write_region_stream_8(r, o, d, c) \
+	bus_space_write_region_stream_8((r)->r_bustag, (r)->r_bushandle, (o), (d), (c))
 #endif /* _KERNEL */
 
 #endif /* !_SYS_BUS_H_ */
diff --git a/sys/tools/bus_macro.sh b/sys/tools/bus_macro.sh
new file mode 100644
index 000000000000..95b06e529a72
--- /dev/null
+++ b/sys/tools/bus_macro.sh
@@ -0,0 +1,68 @@
+#!/bin/sh
+#
+# Copyright (c) 2004-2005 Poul-Henning Kamp.
+# 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.
+# 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+#
+# $FreeBSD$
+#
+# Generate the convenience macros at the bottom of sys/bus.h
+#
+
+macro () {
+
+	n=${1}
+	shift
+	echo -n "#define bus_${n}(r"
+	for i
+	do
+		echo -n ", ${i}"
+	done
+	echo ") \\"
+	echo -n "	bus_space_${n}((r)->r_bustag, (r)->r_bushandle"
+	for i
+	do
+		echo -n ", (${i})"
+	done
+	echo ")"
+}
+
+macro barrier o l f
+
+for w in 1 2 4 8
+do
+	# macro copy_region_$w so dh do c
+	# macro copy_region_stream_$w ?
+	# macro peek_$w
+	for s in "" stream_
+	do
+		macro read_$s$w o
+		macro read_multi_$s$w o d c
+		macro read_region_$s$w o d c
+		macro set_multi_$s$w o v c
+		macro set_region_$s$w o v c
+		macro write_$s$w o v
+		macro write_multi_$s$w o d c
+		macro write_region_$s$w o d c
+	done
+done