1 files changed, 0 insertions, 84 deletions
diff --git a/c/src/lib/libbsp/no_cpu/no_bsp/shmsupp/lock.c b/c/src/lib/libbsp/no_cpu/no_bsp/shmsupp/lock.c
deleted file mode 100644
index 5b53df8d38..0000000000
--- a/c/src/lib/libbsp/no_cpu/no_bsp/shmsupp/lock.c
+++ /dev/null
@@ -1,84 +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) 1989-1999.
- *  On-Line Applications Research Corporation (OAR).
- *
- *  The license and distribution terms for this file may be
- *  found in the file LICENSE in this distribution or at
- *  http://www.rtems.org/license/LICENSE.
- */
-
-#include <rtems.h>
-#include <bsp.h>
-#include <shm_driver.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
-)
-{
-  uint32_t         isr_level;
-  uint32_t         *lockptr = (uint32_t*) &lq_cb->lock;
-  uint32_t         lock_value;
-
-  lock_value = 0x80000000;
-  rtems_interrupt_disable( isr_level );
-
-    Shm_isrstat = isr_level;
-    while ( lock_value ) {
-      __asm__ volatile( ""
-                         : "=r" (lockptr), "=r" (lock_value)
-                         : "0" (lockptr),  "1" (lock_value)
-                  );
-      /*
-       *  If not available, then may want to delay to reduce load on lock.
-       *
-       *  NOTE: BSP must initialize the counter facility. Delay value is BSP
-       *        dependent.
-       */
-      if ( lock_value )
-        rtems_counter_delay_nanoseconds( 100 );
-   }
-}
-
-/*
- *  Shm_Unlock
- *
- *  Unlock the lock for the specified locked queue.
- */
-
-void Shm_Unlock(
-  Shm_Locked_queue_Control *lq_cb
-)
-{
-  uint32_t         isr_level;
-
-  lq_cb->lock = SHM_UNLOCK_VALUE;
-  isr_level = Shm_isrstat;
-  rtems_interrupt_enable( isr_level );
-}