1 /* $NetBSD: getsecs.c,v 1.1.1.1 1997/03/14 02:40:32 perry Exp $ */ 2 3 /* extracted from netbsd:sys/arch/i386/netboot/misc.c */ 4 5 #include <sys/types.h> 6 7 #include <lib/libsa/stand.h> 8 9 #include "libi386.h" 10 11 extern int biosgetrtc __P((u_long*)); 12 13 static inline u_long 14 bcd2dec(arg) 15 u_long arg; 16 { 17 return((arg >> 4) * 10 + (arg & 0x0f)); 18 } 19 20 time_t 21 getsecs() { 22 /* 23 * Return the current time in seconds 24 */ 25 26 u_long t; 27 time_t sec; 28 29 if(biosgetrtc(&t)) 30 panic("RTC invalid"); 31 32 sec = bcd2dec(t & 0xff); 33 sec *= 60; 34 t >>= 8; 35 sec += bcd2dec(t & 0xff); 36 sec *= 60; 37 t >>= 8; 38 sec += bcd2dec(t & 0xff); 39 40 return(sec); 41 } 42