Index: include/endian.h
===================================================================
RCS file: /cvs/src/sys/arch/sparc/include/endian.h,v
retrieving revision 1.14
diff -u -p -r1.14 endian.h
--- include/endian.h	12 Jul 2014 16:25:09 -0000	1.14
+++ include/endian.h	21 Jan 2015 21:22:02 -0000
@@ -30,6 +30,16 @@
 #define _BYTE_ORDER _BIG_ENDIAN
 #define	__STRICT_ALIGNMENT
 
+#ifdef _KERNEL
+
+__uint16_t __swap16md(__uint16_t);
+__uint32_t __swap32md(__uint32_t);
+__uint64_t __swap64md(__uint64_t);
+
+#define __HAVE_MD_SWAP
+
+#endif  /* _KERNEL */
+
 #ifndef __FROM_SYS__ENDIAN
 #include <sys/endian.h>
 #endif
Index: sparc/machdep.c
===================================================================
RCS file: /cvs/src/sys/arch/sparc/sparc/machdep.c,v
retrieving revision 1.167
diff -u -p -r1.167 machdep.c
--- sparc/machdep.c	10 Dec 2014 15:29:53 -0000	1.167
+++ sparc/machdep.c	21 Jan 2015 21:22:02 -0000
@@ -1109,3 +1109,21 @@ _bus_dmamem_mmap(bus_dma_tag_t t, bus_dm
 {
 	panic("_bus_dmamem_mmap: not implemented");
 }
+
+__uint16_t
+__swap16md(__uint16_t x)
+{
+	return (__swap16gen(x));
+}
+
+__uint32_t
+__swap32md(__uint32_t x)
+{
+	return (__swap32gen(x));
+}
+
+__uint64_t
+__swap64md(__uint64_t x)
+{
+	return (__swap64gen(x));
+}