Merged eb/gcell-wip2 rev 10130:10152 into trunk.

[debian/gnuradio] / gcell / src / ibm / sync / spu_source / read_unlock.h

diff --git a/gcell/src/ibm/sync/spu_source/read_unlock.h b/gcell/src/ibm/sync/spu_source/read_unlock.h
deleted file mode 100644 (file)
index f011550..0000000
--- a/gcell/src/ibm/sync/spu_source/read_unlock.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/* --------------------------------------------------------------  */
-/* (C)Copyright 2001,2007,                                         */
-/* International Business Machines Corporation,                    */
-/* Sony Computer Entertainment, Incorporated,                      */
-/* Toshiba Corporation,                                            */
-/*                                                                 */
-/* All Rights Reserved.                                            */
-/*                                                                 */
-/* Redistribution and use in source and binary forms, with or      */
-/* without modification, are permitted provided that the           */
-/* following conditions are met:                                   */
-/*                                                                 */
-/* - Redistributions of source code must retain the above copyright*/
-/*   notice, this list of conditions and the following disclaimer. */
-/*                                                                 */
-/* - 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.                               */
-/*                                                                 */
-/* - Neither the name of IBM Corporation nor the names of its      */
-/*   contributors may be used to endorse or promote products       */
-/*   derived from this software without specific prior written     */
-/*   permission.                                                   */
-/*                                                                 */
-/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.              */
-/* --------------------------------------------------------------  */
-/* PROLOG END TAG zYx                                              */
-#ifndef _SPU_READ_UNLOCK_H_
-#define _SPU_READ_UNLOCK_H_
-
-#include "sync_utils.h"
-#include "mutex.h"
-#include <spu_mfcio.h>
-
-
-/**
- * read_unlock - release reader lock.
- * @ea: handle to effective address of lock variable.
- * 
- * Description: Release a reader lock.  The only restriction 
- * here is that @ea must be word aligned.
- *
- * Context: This routine should be used when interrupts
- * do not need to be re-enabled --either because interrupts
- * are not being used, or because the application will take
- * steps to re-enable them later.
- */
-static __inline void _read_unlock(eaddr_t ea)
-{
-    DECL_MUTEX_VARS();
-    s32 status;
-
-    /* _read_unlock
-     *
-     *    Reader locks must use PUTLLC when releasing, instead of
-     *    the more traditional PUTLLUC because of the non-exclusive
-     *    nature of the lock.  The reason for this is that other
-     *    readers may have incremented the counter, and we don't
-     *    want to corrupt it by blindly issuing PUTLLUC!!
-     */
-    ea64.ull = ALIGN128_EA(ea);
-    offset = OFFSET128_EA_U32(ea);
-    do {
-        MFC_DMA(buf, ea64, size, tagid, MFC_GETLLAR_CMD);
-        spu_readch(MFC_RdAtomicStat);
-
-        buf[offset] -= 1;
-        MFC_DMA(buf, ea64, size, tagid, MFC_PUTLLC_CMD);
-        status = spu_readch(MFC_RdAtomicStat);
-    } while (status != 0);
-
-}
-
-
-#endif /* _SPU_READ_UNLOCK_H_ */