Index: include/bus.h
===================================================================
RCS file: /cvs/src/sys/arch/macppc/include/bus.h,v
retrieving revision 1.24
diff -u -p -r1.24 bus.h
--- include/bus.h	24 Jan 2015 20:59:42 -0000	1.24
+++ include/bus.h	29 Apr 2016 22:33:07 -0000
@@ -118,6 +118,38 @@ bus_space_write(4,32)
 
 #define	bus_space_write_8	!!! bus_space_write_8 unimplemented !!!
 
+#define __BA(t, h, o) ((void *)((h) + (o)))
+
+#define bus_space_read_raw(n,m)						      \
+static __inline CAT3(u_int,m,_t)					      \
+CAT(bus_space_read_raw_,n)(bus_space_tag_t bst, bus_space_handle_t bsh,	      \
+    bus_addr_t ba)							      \
+{									      \
+	volatile CAT3(u_int,m,_t) *a = __BA(bst, bsh, ba);		      \
+	return (*a);							      \
+}
+
+bus_space_read_raw(1,8)
+bus_space_read_raw(2,16)
+bus_space_read_raw(4,32)
+
+#define	bus_space_read_raw_8	!!! bus_space_read_raw_8 unimplemented !!!
+
+#define bus_space_write_raw(n,m)					      \
+static __inline void							      \
+CAT(bus_space_write_raw_,n)(bus_space_tag_t bst, bus_space_handle_t bsh,      \
+    bus_addr_t ba, CAT3(u_int,m,_t) x)					      \
+{									      \
+	volatile CAT3(u_int,m,_t) *a = __BA(bst, bsh, ba);		      \
+	*a = x;								      \
+}
+
+bus_space_write_raw(1,8)
+bus_space_write_raw(2,16)
+bus_space_write_raw(4,32)
+
+#define	bus_space_write_raw_8	!!! bus_space_write_raw_8 unimplemented !!!
+
 #define bus_space_read_multi(n, m)					      \
 static __inline void						       	      \
 CAT(bus_space_read_multi_,n)(bus_space_tag_t bst, bus_space_handle_t bsh,     \
@@ -160,7 +192,6 @@ bus_space_write_multi(4,32)
  * described by tag/handle and starting at `offset' and copy into
  * buffer provided.
  */
-#define __BA(t, h, o) ((void *)((h) + (o)))
 
 static __inline void
 bus_space_read_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,