1 files changed, 0 insertions, 77 deletions
diff --git a/c/src/lib/libbsp/i960/cvme961/shmsupp/lock.c b/c/src/lib/libbsp/i960/cvme961/shmsupp/lock.c
deleted file mode 100644
index de62ec670d..0000000000
--- a/c/src/lib/libbsp/i960/cvme961/shmsupp/lock.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*  Shared Memory Lock Routines
- *
- *  This shared memory locked queue support routine need to be
- *  able to lock the specified locked queue.  Interrupts are
- *  disabled while the queue is locked to prevent preemption
- *  and deadlock when two tasks poll for the same lock.
- *  previous level.
- *
- *  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 "cpu.h"
-#include "bsp.h"
-#include "shm.h"
-
-/*
- *  Shm_Initialize_lock
- *
- *  Initialize the lock for the specified locked queue.
- */
-
-void Shm_Initialize_lock(
-  Shm_Locked_queue_Control *lq_cb
-)
-{
-  lq_cb->lock = LQ_UNLOCKED;
-}
-
-/*  void _Shm_Lock( &lq_cb )
- *
- *  This shared memory locked queue support routine locks the
- *  specified locked queue.  It disables interrupts to prevent
- *  a deadlock condition.
- */
-
-void Shm_Lock(
-  Shm_Locked_queue_Control *lq_cb
-)
-{
-  rtems_unsigned32 isr_level, oldlock;
-
-  rtems_interrupt_disable( isr_level );
-    Shm_isrstat = isr_level;
-    while ( 1 ) {
-      atomic_modify( SHM_LOCK_VALUE, &lq_cb->lock, oldlock );
-      if ( !(oldlock & SHM_LOCK_VALUE) )
-        return;
-      delay( 28 );        /* delay 28 microseconds */
-    }
-}
-
-/*
- *  Shm_Unlock
- *
- *  Unlock the lock for the specified locked queue.
- */
-
-void Shm_Unlock(
-  Shm_Locked_queue_Control *lq_cb
-)
-{
-  rtems_unsigned32 isr_level;
-
-  lq_cb->lock = SHM_UNLOCK_VALUE;
-  isr_level = Shm_isrstat;
-  rtems_interrupt_enable( isr_level );
-}
-