source: rtems/cpukit/score/cpu/nios2/nios2-isr-is-in-progress.c @ c499856

4.115
Last change on this file since c499856 was c499856, checked in by Chris Johns <chrisj@…>, on 03/20/14 at 21:10:47

Change all references of rtems.com to rtems.org.
  • Property mode set to 100644
File size: 726 bytes
Line 
1/*
2 * Copyright (c) 2011 embedded brains GmbH.  All rights reserved.
3 *
4 *  embedded brains GmbH
5 *  Obere Lagerstr. 30
6 *  82178 Puchheim
7 *  Germany
8 *  <rtems@embedded-brains.de>
9 *
10 * The license and distribution terms for this file may be
11 * found in the file LICENSE in this distribution or at
12 * http://www.rtems.org/license/LICENSE.
13 */
14
15#ifdef HAVE_CONFIG_H
16  #include "config.h"
17#endif
18
19#include <rtems/system.h>
20#include <rtems/score/isr.h>
21#include <rtems/score/nios2-utility.h>
22
23bool _ISR_Is_in_progress( void )
24{
25  if ( _Nios2_Has_internal_interrupt_controller() ) {
26    return _ISR_Nest_level != 0;
27  } else {
28    uint32_t status = _Nios2_Get_ctlreg_status();
29
30    return (status & NIOS2_STATUS_IH) != 0;
31  }
32}
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