2011-10-21 Sebastian Huber <sebastian.huber@embedded-brains.de>

	* nios2-mpu-configuration.c, nios2-mpu-descriptor.c,
	nios2-mpu-disable-protected.c, nios2-mpu-reset.c: New files.
	* Makefile.am: Reflect changes above.
	* rtems/score/nios2-utility.h, nios2-context-initialize.c: Added
	support for the memory protection unit (MPU).

1 files changed, 34 insertions, 0 deletions

diff --git a/cpukit/score/cpu/nios2/nios2-mpu-disable-protected.c b/cpukit/score/cpu/nios2/nios2-mpu-disable-protected.c
new file mode 100644
index 0000000000..797a2072e8
--- /dev/null
+++ b/cpukit/score/cpu/nios2/nios2-mpu-disable-protected.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/score/isr.h>
+#include <rtems/score/nios2-utility.h>
+
+uint32_t _Nios2_MPU_Disable_protected( void )
+{
+  ISR_Level level;
+  uint32_t config;
+
+  _ISR_Disable( level );
+  config = _Nios2_MPU_Disable();
+  _ISR_Enable( level );
+
+  return config;
+}