diff options
| -rw-r--r-- | sys/isa/rtc.h | 1 | ||||
| -rw-r--r-- | sys/x86/isa/atrtc.c | 49 |
2 files changed, 29 insertions, 21 deletions
diff --git a/sys/isa/rtc.h b/sys/isa/rtc.h index 8d86981..5c5a341 100644 --- a/sys/isa/rtc.h +++ b/sys/isa/rtc.h @@ -117,6 +117,7 @@ extern int atrtcclock_disable; int rtcin(int reg); void atrtc_restore(void); void writertc(int reg, u_char val); +void atrtc_set(struct timespec *ts); #endif #endif /* _I386_ISA_RTC_H_ */ diff --git a/sys/x86/isa/atrtc.c b/sys/x86/isa/atrtc.c index c1e796f..27fa127 100644 --- a/sys/x86/isa/atrtc.c +++ b/sys/x86/isa/atrtc.c @@ -151,6 +151,33 @@ atrtc_restore(void) rtcin(RTC_INTR); } +void +atrtc_set(struct timespec *ts) +{ + struct clocktime ct; + + clock_ts_to_ct(ts, &ct); + + /* Disable RTC updates and interrupts. */ + writertc(RTC_STATUSB, RTCSB_HALT | RTCSB_24HR); + + writertc(RTC_SEC, bin2bcd(ct.sec)); /* Write back Seconds */ + writertc(RTC_MIN, bin2bcd(ct.min)); /* Write back Minutes */ + writertc(RTC_HRS, bin2bcd(ct.hour)); /* Write back Hours */ + + writertc(RTC_WDAY, ct.dow + 1); /* Write back Weekday */ + writertc(RTC_DAY, bin2bcd(ct.day)); /* Write back Day */ + writertc(RTC_MONTH, bin2bcd(ct.mon)); /* Write back Month */ + writertc(RTC_YEAR, bin2bcd(ct.year % 100)); /* Write back Year */ +#ifdef USE_RTC_CENTURY + writertc(RTC_CENTURY, bin2bcd(ct.year / 100)); /* ... and Century */ +#endif + + /* Re-enable RTC updates and interrupts. */ + writertc(RTC_STATUSB, rtc_statusb); + rtcin(RTC_INTR); +} + /********************************************************************** * RTC driver for subr_rtc */ @@ -297,28 +324,8 @@ atrtc_resume(device_t dev) static int atrtc_settime(device_t dev __unused, struct timespec *ts) { - struct clocktime ct; - - clock_ts_to_ct(ts, &ct); - - /* Disable RTC updates and interrupts. */ - writertc(RTC_STATUSB, RTCSB_HALT | RTCSB_24HR); - - writertc(RTC_SEC, bin2bcd(ct.sec)); /* Write back Seconds */ - writertc(RTC_MIN, bin2bcd(ct.min)); /* Write back Minutes */ - writertc(RTC_HRS, bin2bcd(ct.hour)); /* Write back Hours */ - writertc(RTC_WDAY, ct.dow + 1); /* Write back Weekday */ - writertc(RTC_DAY, bin2bcd(ct.day)); /* Write back Day */ - writertc(RTC_MONTH, bin2bcd(ct.mon)); /* Write back Month */ - writertc(RTC_YEAR, bin2bcd(ct.year % 100)); /* Write back Year */ -#ifdef USE_RTC_CENTURY - writertc(RTC_CENTURY, bin2bcd(ct.year / 100)); /* ... and Century */ -#endif - - /* Reenable RTC updates and interrupts. */ - writertc(RTC_STATUSB, rtc_statusb); - rtcin(RTC_INTR); + atrtc_set(ts); return (0); } |
