minix/sys/arch/i386/stand/lib/getsecs.c
2012-02-09 18:48:13 +01:00

41 lines
639 B
C

/* $NetBSD: getsecs.c,v 1.4 2009/01/12 11:32:44 tsutsui Exp $ */
/* extracted from netbsd:sys/arch/i386/netboot/misc.c */
#include <sys/types.h>
#include <lib/libsa/stand.h>
#include <lib/libsa/net.h>
#include "libi386.h"
static inline u_long bcd2dec(u_long);
static inline u_long
bcd2dec(u_long arg)
{
return (arg >> 4) * 10 + (arg & 0x0f);
}
satime_t
getsecs(void) {
/*
* Return the current time in seconds
*/
u_long t;
satime_t sec;
if (biosgetrtc(&t))
panic("RTC invalid");
sec = bcd2dec(t & 0xff);
sec *= 60;
t >>= 8;
sec += bcd2dec(t & 0xff);
sec *= 60;
t >>= 8;
sec += bcd2dec(t & 0xff);
return sec;
}