From e0330d9534d8cfeffff81f426df1d3277702b835 Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Thu, 11 Nov 2010 11:21:40 +0100
Subject: Implement basic instruction handling

---
 bits.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 bits.h

(limited to 'bits.h')

diff --git a/bits.h b/bits.h
new file mode 100644
index 0000000..8374527
--- /dev/null
+++ b/bits.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
+ *
+ * This file is part of nios2sim-ng.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _BITS_H_
+#define _BITS_H_
+
+#define BIT_MASK(n)	(((n) == 64) ? ~0ULL : ((1ULL << (n))-1))
+
+#endif /* _BITS_H_ */
-- 
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