/*      $NetBSD: getsecs.c,v 1.11 2013/11/03 01:02:37 christos Exp $    */

#include <sys/param.h>

#include <machine/cpu.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
  
#include <lib/libsa/stand.h> 
#include <lib/libsa/net.h>

#include "include/prom.h"
#include "include/rpb.h"

satime_t
getsecs(void)
{
        static uint64_t tnsec;
        static uint64_t lastpcc;
        uint64_t curpcc;

        if (tnsec == 0) {
                tnsec = 1;
                lastpcc = alpha_rpcc() & 0xffffffff;

#if 0
                uint64_t wrapsecs = (0xffffffff /
                    ((struct rpb *)HWRPB_ADDR)->rpb_cc_freq) + 1;
                printf("getsecs: cc freq = %lu, time to wrap = %lu\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);
}