1 files changed, 0 insertions, 90 deletions
diff --git a/c/src/lib/libbsp/sparc/leon3/shmsupp/lock.c b/c/src/lib/libbsp/sparc/leon3/shmsupp/lock.c
deleted file mode 100644
index 5b118f24b6..0000000000
--- a/c/src/lib/libbsp/sparc/leon3/shmsupp/lock.c
+++ /dev/null
@@ -1,90 +0,0 @@
-/**
- *  @file
- *
- *  LEON3 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) 1989-2012.
- *  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>
-
-
-/*
- *  Initialize the lock for the specified locked queue.
- */
-void Shm_Initialize_lock(
-  Shm_Locked_queue_Control *lq_cb
-)
-{
-  lq_cb->lock = LQ_UNLOCKED;
-}
-
-/*
- *  This shared memory locked queue support routine locks the
- *  specified locked queue.  It disables interrupts to prevent
- *  a deadlock condition.
- */
-extern unsigned int LEON3_Atomic_Swap(uint32_t value, uint32_t *address);
-
-__asm__ (
-    ".text\n"
-    ".align 4\n"
-    "LEON3_Atomic_Swap:\n"
-    "  retl\n"
-    "  swapa [%o1] 1, %o0\n"
-);
-
-
-
-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 = SHM_LOCK_VALUE;
-  rtems_interrupt_disable( isr_level );
-
-    Shm_isrstat = isr_level;
-    while ( lock_value ) {
-      lock_value = LEON3_Atomic_Swap(lock_value, lockptr);
-      /*
-       *  If not available, then may want to delay to reduce load on lock.
-       */
-   }
-}
-
-/*
- *  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 );
-}
-