Initial revision

1 files changed, 37 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/i960/cvme961/shmsupp/addrconv.c b/c/src/lib/libbsp/i960/cvme961/shmsupp/addrconv.c
new file mode 100644
index 0000000000..7702d22e67
--- /dev/null
+++ b/c/src/lib/libbsp/i960/cvme961/shmsupp/addrconv.c
@@ -0,0 +1,37 @@
+/*  Shm_Convert_address
+ *
+ *  This routine takes into account the peculiar short VME address
+ *  of the CVME961 board.  The CVME961 maps short address space
+ *  0xffffxxxx to 0xb400xxxx.
+ *
+ *  Input parameters:
+ *    address - address to convert
+ *
+ *  Output parameters:
+ *    returns - converted address
+ *
+ *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ *  On-Line Applications Research Corporation (OAR).
+ *  All rights assigned to U.S. Government, 1994.
+ *
+ *  This material may be reproduced by or for the U.S. Government pursuant
+ *  to the copyright license under the clause at DFARS 252.227-7013.  This
+ *  notice must appear in all copies of this file and its derivatives.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include "shm.h"
+
+void *Shm_Convert_address(
+  void *address
+)
+{
+  rtems_unsigned32 workaddr = (rtems_unsigned32) address;
+
+  if ( workaddr >= 0xffff0000 )
+    workaddr = (workaddr & 0xffff) | 0xb4000000;
+  return ( (rtems_unsigned32 *)workaddr );
+}