1 files changed, 34 insertions, 0 deletions
diff --git a/cpukit/score/cpu/nios2/nios2-isr-is-in-progress.c b/cpukit/score/cpu/nios2/nios2-isr-is-in-progress.c
new file mode 100644
index 0000000000..9cdac4c374
--- /dev/null
+++ b/cpukit/score/cpu/nios2/nios2-isr-is-in-progress.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2011 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/nios2-utility.h>
+
+bool _ISR_Is_in_progress( void )
+{
+  if ( _Nios2_Has_internal_interrupt_controller() ) {
+    return _ISR_Nest_level != 0;
+  } else {
+    uint32_t status = _Nios2_Get_ctlreg_status();
+
+    return (status & NIOS2_STATUS_IH) != 0;
+  }
+}