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