diff options
Diffstat (limited to 'sys/arch/hppa64/dev/clock.c')
| -rw-r--r-- | sys/arch/hppa64/dev/clock.c | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/sys/arch/hppa64/dev/clock.c b/sys/arch/hppa64/dev/clock.c index 5100f9869e2..c080cd0a824 100644 --- a/sys/arch/hppa64/dev/clock.c +++ b/sys/arch/hppa64/dev/clock.c @@ -1,4 +1,4 @@ -/* $OpenBSD: clock.c,v 1.2 2010/07/24 21:27:57 kettenis Exp $ */ +/* $OpenBSD: clock.c,v 1.3 2011/01/02 13:25:17 jasper Exp $ */ /* * Copyright (c) 2005 Michael Shalayeff @@ -52,6 +52,60 @@ cpu_initclocks() mtctl(__itmr, CR_ITMR); } +/* + * initialize the system time from the time of day clock + */ +void +inittodr(time_t t) +{ + struct pdc_tod tod PDC_ALIGNMENT; + int error, tbad = 0; + struct timespec ts; + + if (t < 12*SECYR) { + printf ("WARNING: preposterous time in file system"); + t = 6*SECYR + 186*SECDAY + SECDAY/2; + tbad = 1; + } + + if ((error = pdc_call((iodcio_t)pdc, + 1, PDC_TOD, PDC_TOD_READ, &tod, 0, 0, 0, 0, 0))) + printf("clock: failed to fetch (%d)\n", error); + + ts.tv_sec = tod.sec; + ts.tv_nsec = tod.usec * 1000; + tc_setclock(&ts); + + if (!tbad) { + u_long dt; + + dt = (tod.sec < t)? t - tod.sec : tod.sec - t; + + if (dt < 2 * SECDAY) + return; + printf("WARNING: clock %s %ld days", + tod.sec < t? "lost" : "gained", dt / SECDAY); + } + + printf (" -- CHECK AND RESET THE DATE!\n"); +} + +/* + * reset the time of day clock to the value in time + */ +void +resettodr() +{ + struct timeval tv; + int error; + + microtime(&tv); + + if ((error = pdc_call((iodcio_t)pdc, 1, PDC_TOD, PDC_TOD_WRITE, + tv.tv_sec, tv.tv_usec))) + printf("clock: failed to save (%d)\n", error); +} + void setstatclockrate(int newhz) { |