1 files changed, 34 insertions, 0 deletions
diff --git a/sys/arch/alpha/stand/netboot/getsecs.c b/sys/arch/alpha/stand/netboot/getsecs.c
new file mode 100644
index 00000000000..07ca9e539d1
--- /dev/null
+++ b/sys/arch/alpha/stand/netboot/getsecs.c
@@ -0,0 +1,34 @@
+/*	$OpenBSD: getsecs.c,v 1.1 1996/10/30 22:40:55 niklas Exp $	*/
+
+#include <sys/param.h>
+#include "include/prom.h"
+#include "include/rpb.h"
+
+int
+getsecs()
+{
+	static long tnsec;
+	static long lastpcc, wrapsecs;
+	long curpcc, pccdiff;
+
+	if (tnsec == 0) {
+		tnsec = 1;
+		lastpcc = alpha_rpcc() & 0xffffffff;
+		wrapsecs = (0xffffffff /
+		    ((struct rpb *)HWRPB_ADDR)->rpb_cc_freq) + 1;
+
+#if 0
+		printf("getsecs: cc freq = %d, time to wrap = %d\n",
+		    ((struct rpb *)HWRPB_ADDR)->rpb_cc_freq, wrapsecs);
+#endif
+	}
+
+	curpcc = alpha_rpcc() & 0xffffffff;
+	if (curpcc < lastpcc)
+		curpcc += 0x100000000;
+
+	tnsec += ((curpcc - lastpcc) * 1000000000) / ((struct rpb *)HWRPB_ADDR)->rpb_cc_freq;
+	lastpcc = curpcc;
+
+	return (tnsec / 1000000000);
+}