Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / lib / bcd.c

diff --git a/kernel/lib/bcd.c b/kernel/lib/bcd.c
new file mode 100644 (file)
index 0000000..40d304e
--- /dev/null
+++ b/kernel/lib/bcd.c
@@ -0,0 +1,14 @@
+#include <linux/bcd.h>
+#include <linux/export.h>
+
+unsigned _bcd2bin(unsigned char val)
+{
+       return (val & 0x0f) + (val >> 4) * 10;
+}
+EXPORT_SYMBOL(_bcd2bin);
+
+unsigned char _bin2bcd(unsigned val)
+{
+       return ((val / 10) << 4) + val % 10;
+}
+EXPORT_SYMBOL(_bin2bcd);