diff --git a/c/src/lib/libbsp/sparc/erc32/Makefile.am b/c/src/lib/libbsp/sparc/erc32/Makefile.am
index abe44c3446..cecfe1406e 100644
--- a/c/src/lib/libbsp/sparc/erc32/Makefile.am
+++ b/c/src/lib/libbsp/sparc/erc32/Makefile.am
@@ -68,7 +68,9 @@ erc32sonic_rel_CPPFLAGS = $(AM_CPPFLAGS) $(erc32sonic_CPPFLAGS)
 erc32sonic_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
 endif
 
-libbsp_a_LIBADD  = ../../../libcpu/@RTEMS_CPU@/cache.rel \
+libbsp_a_LIBADD  = \
+    ../../../libcpu/@RTEMS_CPU@/access.rel \
+    ../../../libcpu/@RTEMS_CPU@/cache.rel \
     ../../../libcpu/@RTEMS_CPU@/reg_win.rel \
     ../../../libcpu/@RTEMS_CPU@/syscall.rel
 if HAS_NETWORKING
diff --git a/c/src/lib/libbsp/sparc/leon2/Makefile.am b/c/src/lib/libbsp/sparc/leon2/Makefile.am
index 9c7819c385..9df3c7ded0 100644
--- a/c/src/lib/libbsp/sparc/leon2/Makefile.am
+++ b/c/src/lib/libbsp/sparc/leon2/Makefile.am
@@ -118,6 +118,7 @@ leon_open_eth_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
 endif
 
 libbsp_a_LIBADD = \
+    ../../../libcpu/@RTEMS_CPU@/access.rel \
     ../../../libcpu/@RTEMS_CPU@/cache.rel \
     ../../../libcpu/@RTEMS_CPU@/reg_win.rel \
     ../../../libcpu/@RTEMS_CPU@/syscall.rel
diff --git a/c/src/lib/libbsp/sparc/leon3/Makefile.am b/c/src/lib/libbsp/sparc/leon3/Makefile.am
index 5edbe9db8d..8eae306644 100644
--- a/c/src/lib/libbsp/sparc/leon3/Makefile.am
+++ b/c/src/lib/libbsp/sparc/leon3/Makefile.am
@@ -126,7 +126,9 @@ libbsp_a_SOURCES += shmsupp/addrconv.c shmsupp/getcfg.c shmsupp/lock.c \
     shmsupp/mpisr.c
 endif
 
-libbsp_a_LIBADD = ../../../libcpu/@RTEMS_CPU@/cache.rel \
+libbsp_a_LIBADD = \
+    ../../../libcpu/@RTEMS_CPU@/access.rel \
+    ../../../libcpu/@RTEMS_CPU@/cache.rel \
     ../../../libcpu/@RTEMS_CPU@/reg_win.rel \
     ../../../libcpu/@RTEMS_CPU@/syscall.rel
 
diff --git a/c/src/lib/libcpu/sparc/Makefile.am b/c/src/lib/libcpu/sparc/Makefile.am
index 7bebd9417e..711d6b1fa8 100644
--- a/c/src/lib/libcpu/sparc/Makefile.am
+++ b/c/src/lib/libcpu/sparc/Makefile.am
@@ -10,6 +10,8 @@ noinst_PROGRAMS =
 
 include_libcpudir = $(includedir)/libcpu
 include_libcpu_HEADERS = ../shared/include/cache.h
+include_libcpu_HEADERS += include/libcpu/byteorder.h
+include_libcpu_HEADERS += include/libcpu/access.h
 
 noinst_PROGRAMS += cache.rel
 cache_rel_SOURCES = cache/cache.c cache/cache_.h \
@@ -31,5 +33,10 @@ reg_win_rel_SOURCES = reg_win/window.S
 reg_win_rel_CPPFLAGS = $(AM_CPPFLAGS)
 reg_win_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
 
+noinst_PROGRAMS += access.rel
+access_rel_SOURCES = access/access.S access/access_le.c
+access_rel_CPPFLAGS = $(AM_CPPFLAGS)
+access_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
+
 include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../automake/local.am
diff --git a/c/src/lib/libcpu/sparc/access/access.S b/c/src/lib/libcpu/sparc/access/access.S
new file mode 100644
index 0000000000..bad296eff5
--- /dev/null
+++ b/c/src/lib/libcpu/sparc/access/access.S
@@ -0,0 +1,81 @@
+/*
+ *  Optimized access routines for SPARC.
+ *
+ *  Note the difference between byteorder.h (inlined functions) and access.S
+ *  where the functions will be declared in the library archive librtemscpu.a.
+ *  Function names starting with _ are in library and can be referenced by
+ *  function pointers.
+ *
+ *  _ldN, _stN          standard machine endianess access (SPARC: big-endian)
+ *  _ld_beN, _st_beN    forced big-endian
+ *  _ld_leN, _st_leN    forced little-endian (defined in access_le.C)
+ *
+ *  This file is written in assembly because the big-endian functions maps to
+ *  machine dependant access methods, i.e. same function has two names.
+ *
+ *  COPYRIGHT (c) 2011
+ *  Aeroflex Gaisler.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ */
+
+#include <rtems/asm.h>
+
+	.align 4
+	.seg "text"
+	PUBLIC(_ld8)
+	PUBLIC(_ld16)
+	PUBLIC(_ld32)
+	PUBLIC(_ld64)
+	PUBLIC(_st8)
+	PUBLIC(_st16)
+	PUBLIC(_st32)
+	PUBLIC(_st64)
+	PUBLIC(_ld_be16)
+	PUBLIC(_ld_be32)
+	PUBLIC(_ld_be64)
+	PUBLIC(_st_be16)
+	PUBLIC(_st_be32)
+	PUBLIC(_st_be64)
+
+SYM(_ld8):
+	retl
+	 ldub [%o0], %o0
+
+SYM(_ld_be16):
+SYM(_ld16):
+	retl
+	 lduh [%o0], %o0
+
+SYM(_ld_be32):
+SYM(_ld32):
+	retl
+	 ld [%o0], %o0
+
+SYM(_ld_be64):
+SYM(_ld64):
+	retl
+	 ldd [%o0], %o0
+
+SYM(_st8):
+	retl
+	 stub %o1, [%o0]
+
+SYM(_st_be16):
+SYM(_st16):
+	retl
+	 stuh %o1, [%o0]
+
+SYM(_st_be32):
+SYM(_st32):
+	retl
+	 st %o1, [%o0]
+
+SYM(_st_be64):
+SYM(_st64):
+	mov %o2, %o3
+	mov %o1, %o2
+	retl
+	 std %o2, [%o0]
diff --git a/c/src/lib/libcpu/sparc/access/access_le.c b/c/src/lib/libcpu/sparc/access/access_le.c
new file mode 100644
index 0000000000..15031ccf50
--- /dev/null
+++ b/c/src/lib/libcpu/sparc/access/access_le.c
@@ -0,0 +1,32 @@
+/*
+ *  Little-endian access routines for SPARC
+ *
+ *  COPYRIGHT (c) 2011
+ *  Aeroflex Gaisler.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ */
+
+#include <libcpu/byteorder.h>
+
+uint16_t _ld_le16(uint16_t *addr)
+{
+	return ld_le16(addr);
+}
+
+void _st_le16(uint16_t *addr, uint16_t val)
+{
+	st_le16(addr, val);
+}
+
+uint32_t _ld_le32(uint32_t *addr)
+{
+	return ld_le32(addr);
+}
+
+void _st_le32(uint32_t *addr, uint32_t val)
+{
+	st_le32(addr, val);
+}
diff --git a/c/src/lib/libcpu/sparc/include/libcpu/access.h b/c/src/lib/libcpu/sparc/include/libcpu/access.h
new file mode 100644
index 0000000000..16bf2dccef
--- /dev/null
+++ b/c/src/lib/libcpu/sparc/include/libcpu/access.h
@@ -0,0 +1,50 @@
+/*
+ *  access.h  - access routines for SPARC. SPARC is big endian only.
+ *
+ *  COPYRIGHT (c) 2011
+ *  Aeroflex Gaisler.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef _LIBCPU_ACCESS_H
+#define _LIBCPU_ACCESS_H
+
+#include <rtems/system.h>
+#include <rtems/score/cpu.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* "Raw" access */
+extern uint8_t _ld8(uint8_t *addr);
+extern void _st8(uint8_t *addr, uint8_t val);
+extern uint16_t _ld16(uint16_t *addr);
+extern void _st16(uint16_t *addr, uint16_t val);
+extern uint32_t _ld32(uint32_t *addr);
+extern void _st32(uint32_t *addr, uint32_t val);
+extern uint64_t _ld64(uint64_t *addr);
+extern void _st64(uint64_t *addr, uint64_t val);
+
+/* Aliases for Big Endian */
+extern uint16_t _ld_be16(uint16_t *addr);
+extern void _st_be16(uint16_t *addr, uint16_t val);
+extern uint32_t _ld_be32(uint32_t *addr);
+extern void _st_be32(uint32_t *addr, uint32_t val);
+extern uint64_t _ld_be64(uint64_t *addr);
+extern void _st_be64(uint64_t *addr, uint64_t val);
+
+/* Little endian */
+extern uint16_t _ld_le16(uint16_t *addr);
+extern void _st_le16(uint16_t *addr, uint16_t val);
+extern uint32_t _ld_le32(uint32_t *addr);
+extern void _st_le32(uint32_t *addr, uint32_t val);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/c/src/lib/libcpu/sparc/include/libcpu/byteorder.h b/c/src/lib/libcpu/sparc/include/libcpu/byteorder.h
new file mode 100644
index 0000000000..d626f28068
--- /dev/null
+++ b/c/src/lib/libcpu/sparc/include/libcpu/byteorder.h
@@ -0,0 +1,66 @@
+/*
+ *  byteorder.h  - Endian conversion for SPARC. SPARC is big endian only.
+ *
+ *  COPYRIGHT (c) 2011
+ *  Aeroflex Gaisler.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef _LIBCPU_BYTEORDER_H
+#define _LIBCPU_BYTEORDER_H
+
+#include <rtems/system.h>
+#include <rtems/score/cpu.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+RTEMS_INLINE_ROUTINE uint16_t ld_le16(volatile uint16_t *addr)
+{
+	return CPU_swap_u16(*addr);
+}
+
+RTEMS_INLINE_ROUTINE void st_le16(volatile uint16_t *addr, uint16_t val)
+{
+	*addr = CPU_swap_u16(val);
+}
+
+RTEMS_INLINE_ROUTINE uint32_t ld_le32(volatile uint32_t *addr)
+{
+	return CPU_swap_u32(*addr);
+}
+
+RTEMS_INLINE_ROUTINE void st_le32(volatile uint32_t *addr, uint32_t val)
+{
+	*addr = CPU_swap_u32(val);
+}
+
+RTEMS_INLINE_ROUTINE uint16_t ld_be16(volatile uint16_t *addr)
+{
+	return *addr;
+}
+
+RTEMS_INLINE_ROUTINE void st_be16(volatile uint16_t *addr, uint16_t val)
+{
+	*addr = val;
+}
+
+RTEMS_INLINE_ROUTINE uint32_t ld_be32(volatile uint32_t *addr)
+{
+	return *addr;
+}
+
+RTEMS_INLINE_ROUTINE void st_be32(volatile uint32_t *addr, uint32_t val)
+{
+	*addr = val;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/c/src/lib/libcpu/sparc/preinstall.am b/c/src/lib/libcpu/sparc/preinstall.am
index 412b683681..2efe38bb30 100644
--- a/c/src/lib/libcpu/sparc/preinstall.am
+++ b/c/src/lib/libcpu/sparc/preinstall.am
@@ -22,3 +22,11 @@ $(PROJECT_INCLUDE)/libcpu/cache.h: ../shared/include/cache.h $(PROJECT_INCLUDE)/
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/libcpu/cache.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/libcpu/cache.h
 
+$(PROJECT_INCLUDE)/libcpu/byteorder.h: include/libcpu/byteorder.h $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/libcpu/byteorder.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/libcpu/byteorder.h
+
+$(PROJECT_INCLUDE)/libcpu/access.h: include/libcpu/access.h $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/libcpu/access.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/libcpu/access.h
+