1 files changed, 0 insertions, 147 deletions
diff --git a/nuttx/arch/arm/src/common/up_checkstack.c b/nuttx/arch/arm/src/common/up_checkstack.c
deleted file mode 100644
index ac8d9e7b9..000000000
--- a/nuttx/arch/arm/src/common/up_checkstack.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/****************************************************************************
- * arch/arm/src/common/up_checkstack.c
- *
- *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. Neither the name NuttX 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.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <sys/types.h>
-#include <stdint.h>
-#include <sched.h>
-#include <debug.h>
-
-#include <nuttx/arch.h> 
-
-#include "os_internal.h"
-
-#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_STACK)
-
-/****************************************************************************
- * Private Types
- ****************************************************************************/
-
-/****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Global Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: up_check_stack
- *
- * Description:
- *   Determine (approximately) how much stack has been used be searching the
- *   stack memory for a high water mark.  That is, the deepest level of the
- *   stack that clobbered some recognizable marker in the stack memory.
- *
- * Input Parameters:
- *   None
- *
- * Returned value:
- *   The estimated amount of stack space used.
- *
- ****************************************************************************/
-
-size_t up_check_tcbstack(FAR _TCB *tcb)
-{
-  FAR uint32_t *ptr;
-  size_t mark;
-
-  /* The ARM uses a push-down stack:  the stack grows toward lower addresses
-   * in memory.  We need to start at the lowest address in the stack memory
-   * allocation and search to higher addresses.  The first word we encounter
-   * that does not have the magic value is the high water mark.
-   */
-
-  for (ptr = (FAR uint32_t *)tcb->stack_alloc_ptr, mark = tcb->adj_stack_size/4;
-       *ptr == 0xDEADBEEF && mark > 0;
-       ptr++, mark--);
-
-  /* If the stack is completely used, then this might mean that the stack
-   * overflowed from above (meaning that the stack is too small), or may
-   * have been overwritten from below meaning that some other stack or data
-   * structure overflowed.
-   *
-   * If you see returned values saying that the entire stack is being used
-   * then enable the following logic to see it there are unused areas in the
-   * middle of the stack.
-   */
-
-#if 0
-  if (mark + 16 > tcb->adj_stack_size/4)
-    {
-      int i, j;
-
-      ptr = (FAR uint32_t *)tcb->stack_alloc_ptr;
-      for (i = 0; i < tcb->adj_stack_size; i += 4*64)
-        {
-          for (j = 0; j < 64; j++)
-            {
-              int ch;
-              if (*ptr++ == 0xDEADBEEF)
-                {
-                  ch = '.';
-                }
-              else
-                {
-                  ch = 'X';
-                }
-              up_putc(ch);
-             }
-          up_putc('\n');
-        }
-     }
-#endif
-
-  /* Return our guess about how much stack space was used */
-
-  return mark*4;
-}
-
-size_t up_check_stack(void)
-{
-  return up_check_tcbstack((FAR _TCB*)g_readytorun.head);
-}
-
-size_t up_check_stack_remain(void)
-{
-  return ((FAR _TCB*)g_readytorun.head)->adj_stack_size - up_check_tcbstack((FAR _TCB*)g_readytorun.head);
-}
-
-#endif /* CONFIG_DEBUG && CONFIG_DEBUG_STACK */