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/*
* $FreeBSD$
* From: $NetBSD: getsecs.c,v 1.5 1998/01/05 07:02:49 perry Exp $
*/
#include <sys/param.h>
#include <machine/prom.h>
#include <machine/rpb.h>
int
getsecs()
{
static long tnsec;
static long lastpcc, wrapsecs;
long curpcc;
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);
}
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