diff options
Diffstat (limited to 'sys/isa/atrtc.c')
| -rw-r--r-- | sys/isa/atrtc.c | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/sys/isa/atrtc.c b/sys/isa/atrtc.c index 869fd0b..be02840 100644 --- a/sys/isa/atrtc.c +++ b/sys/isa/atrtc.c @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)clock.c 7.2 (Berkeley) 5/12/91 - * $Id: clock.c,v 1.45 1996/01/08 18:50:14 ache Exp $ + * $Id: clock.c,v 1.46 1996/01/12 17:33:12 bde Exp $ */ /* @@ -398,29 +398,18 @@ sysbeep(int pitch, int period) /* * RTC support routines */ -static int -bcd2int(int bcd) -{ - return(bcd/16 * 10 + bcd%16); -} - -static int -int2bcd(int dez) -{ - return(dez/10 * 16 + dez%10); -} -static inline void +static __inline void writertc(u_char reg, u_char val) { outb(IO_RTC, reg); outb(IO_RTC + 1, val); } -static int +static __inline int readrtc(int port) { - return(bcd2int(rtcin(port))); + return(bcd2bin(rtcin(port))); } /* @@ -523,9 +512,9 @@ resettodr() tm -= tz.tz_minuteswest * 60 + adjkerntz; - writertc(RTC_SEC, int2bcd(tm%60)); tm /= 60; /* Write back Seconds */ - writertc(RTC_MIN, int2bcd(tm%60)); tm /= 60; /* Write back Minutes */ - writertc(RTC_HRS, int2bcd(tm%24)); tm /= 24; /* Write back Hours */ + writertc(RTC_SEC, bin2bcd(tm%60)); tm /= 60; /* Write back Seconds */ + writertc(RTC_MIN, bin2bcd(tm%60)); tm /= 60; /* Write back Minutes */ + writertc(RTC_HRS, bin2bcd(tm%24)); tm /= 24; /* Write back Hours */ /* We have now the days since 01-01-1970 in tm */ writertc(RTC_WDAY, (tm+4)%7); /* Write back Weekday */ @@ -536,10 +525,10 @@ resettodr() /* Now we have the years in y and the day-of-the-year in tm */ #ifdef USE_RTC_CENTURY - writertc(RTC_YEAR, int2bcd(y%100)); /* Write back Year */ - writertc(RTC_CENTURY, int2bcd(y/100)); /* ... and Century */ + writertc(RTC_YEAR, bin2bcd(y%100)); /* Write back Year */ + writertc(RTC_CENTURY, bin2bcd(y/100)); /* ... and Century */ #else - writertc(RTC_YEAR, int2bcd(y - 1900)); /* Write back Year */ + writertc(RTC_YEAR, bin2bcd(y - 1900)); /* Write back Year */ #endif for (m = 0; ; m++) { int ml; @@ -552,8 +541,8 @@ resettodr() tm -= ml; } - writertc(RTC_MONTH, int2bcd(m + 1)); /* Write back Month */ - writertc(RTC_DAY, int2bcd(tm + 1)); /* Write back Month Day */ + writertc(RTC_MONTH, bin2bcd(m + 1)); /* Write back Month */ + writertc(RTC_DAY, bin2bcd(tm + 1)); /* Write back Month Day */ /* Reenable RTC updates and interrupts. */ writertc(RTC_STATUSB, RTCSB_24HR | RTCSB_PINTR); |
