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-rw-r--r--src/include/bcd.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/include/bcd.h b/src/include/bcd.h
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+++ b/src/include/bcd.h
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
+#ifndef _BCD_H_
+#define _BCD_H_
+
+#include <stdint.h>
+
+static inline uint8_t bcd2bin(uint8_t val)
+{
+ return ((val >> 4) & 0xf) * 10 + (val & 0xf);
+}
+
+static inline uint8_t bin2bcd(uint8_t val)
+{
+ return ((val / 10) << 4) | (val % 10);
+}
+
+#endif /* _BCD_H_ */