diff --git a/src/arch/alpha/include/bitops.h b/src/arch/alpha/include/bitops.h
new file mode 100644
index 0000000000..9b6c58ba43
--- /dev/null
+++ b/src/arch/alpha/include/bitops.h
@@ -0,0 +1,22 @@
+#ifndef ALPHA_BITOPS_H
+#define ALPHA_BITOPS_H
+
+/**
+ * log2 - Find the truncated log base 2 of x
+ */
+
+static inline unsigned long log2(unsigned long x)
+{
+	unsigned long r = 63;
+	do {
+		if (x & (1UL << r)) {
+			break;
+		}
+		r--;
+	} while(r > 0);
+	if (x == 0) {
+		r = -1UL;
+	}
+	return r;
+}
+#endif /* ALPHA_BITOPS_H */