1 files changed, 61 insertions, 0 deletions
diff --git a/cpukit/score/cpu/nios2/nios2-isr-install-vector.c b/cpukit/score/cpu/nios2/nios2-isr-install-vector.c
new file mode 100644
index 0000000000..3feed998a4
--- /dev/null
+++ b/cpukit/score/cpu/nios2/nios2-isr-install-vector.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2006 Kolja Waschk (rtemsdev/ixo.de)
+ *
+ * COPYRIGHT (c) 1989-2006
+ * 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.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include <rtems/score/isr.h>
+
+/*
+ *  _CPU_ISR_install_vector
+ *
+ *  This kernel routine installs the RTEMS handler for the
+ *  specified vector.
+ *
+ *  Input parameters:
+ *    vector      - interrupt vector number
+ *    old_handler - former ISR for this vector number
+ *    new_handler - replacement ISR for this vector number
+ *
+ *  Output parameters:  NONE
+ *
+ *
+ *  NO_CPU Specific Information:
+ *
+ *  XXX document implementation including references if appropriate
+ */
+
+void _CPU_ISR_install_vector(
+  uint32_t    vector,
+  proc_ptr    new_handler,
+  proc_ptr   *old_handler
+)
+{
+   *old_handler = _ISR_Vector_table[ vector ];
+
+   /*
+    *  If the interrupt vector table is a table of pointer to isr entry
+    *  points, then we need to install the appropriate RTEMS interrupt
+    *  handler for this vector number.
+    */
+
+   _CPU_ISR_install_raw_handler( vector, new_handler, old_handler );
+
+   /*
+    *  We put the actual user ISR address in '_ISR_vector_table'.  This will
+    *  be used by the _ISR_Handler so the user gets control.
+    */
+
+    _ISR_Vector_table[ vector ] = new_handler;
+}