i86pc/io/todpc_subr.c

41 #include <sys/rtc.h>
130 	struct rtc_t rtc;
134 	if (todpc_rtcget((unsigned char *)&rtc))
138 	 * rtc bytes are in binary-coded decimal, so we have to convert.
139 	 * We assume that we wrap the rtc year back to zero at 2000.
145 		rtc.rtc_century = BYTE_TO_BCD(20); /* 20xx year */
147 		rtc.rtc_century = BYTE_TO_BCD(19); /* 19xx year */
148 	rtc.rtc_yr	= BYTE_TO_BCD(tod.tod_year);
149 	rtc.rtc_mon	= BYTE_TO_BCD(tod.tod_month);
150 	rtc.rtc_dom	= BYTE_TO_BCD(tod.tod_day);
152 	rtc.rtc_dow	= (unsigned char)tod.tod_dow;
153 	rtc.rtc_hr	= BYTE_TO_BCD(tod.tod_hour);
154 	rtc.rtc_min	= BYTE_TO_BCD(tod.tod_min);
155 	rtc.rtc_sec	= BYTE_TO_BCD(tod.tod_sec);
157 	todpc_rtcput((unsigned char *)&rtc);
171 	struct rtc_t rtc;
178 	if (todpc_rtcget((unsigned char *)&rtc)) {
185 	/* assume that we wrap the rtc year back to zero at 2000 */
186 	tod.tod_year	= BCD_TO_BYTE(rtc.rtc_yr);
200 	if (century_warn && BCD_TO_BYTE(rtc.rtc_century) != compute_century) {
207 		    BCD_TO_BYTE(rtc.rtc_century));
210 	tod.tod_month	= BCD_TO_BYTE(rtc.rtc_mon);
211 	tod.tod_day	= BCD_TO_BYTE(rtc.rtc_dom);
212 	tod.tod_dow	= rtc.rtc_dow;	/* dow < 10, so no conversion needed */
213 	tod.tod_hour	= BCD_TO_BYTE(rtc.rtc_hr);
214 	tod.tod_min	= BCD_TO_BYTE(rtc.rtc_min);
215 	tod.tod_sec	= BCD_TO_BYTE(rtc.rtc_sec);
235 	struct rtc_t rtc;
250 	if (todpc_rtcget((unsigned char *)&rtc))
255 	 * and mon.  rtc bytes are in binary-coded decimal, so we have
258 	delta = nsecs + BCD_TO_BYTE(rtc.rtc_sec);
261 	delta = (delta / 60) + BCD_TO_BYTE(rtc.rtc_min);
264 	delta = (delta / 60) + BCD_TO_BYTE(rtc.rtc_hr);
273 		int mon = BCD_TO_BYTE(rtc.rtc_mon);
277 		adom = (delta / 24) + BCD_TO_BYTE(rtc.rtc_dom);
302 			rtc.rtc_amon = BYTE_TO_BCD(amon);
305 		rtc.rtc_adom = BYTE_TO_BCD(adom);
308 	rtc.rtc_asec = BYTE_TO_BCD(asec);
309 	rtc.rtc_amin = BYTE_TO_BCD(amin);
310 	rtc.rtc_ahr  = BYTE_TO_BCD(ahr);
312 	rtc.rtc_statusb |= RTC_AIE;	/* Enable alarm interrupt */
314 	todpc_rtcput((unsigned char *)&rtc);