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Convert to TODR.

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This commit is contained in:
gdamore 2006-09-03 18:38:46 +00:00
parent 452f35b603
commit 77eb82367e
1 changed files with 5 additions and 75 deletions
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80
sys/arch/sun2/sun2/tod.c
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@ -1,4 +1,4 @@
/* $NetBSD: tod.c,v 1.11 2005/12/11 12:19:16 christos Exp $ */
/* $NetBSD: tod.c,v 1.12 2006/09/03 18:38:46 gdamore Exp $ */
/*
* Copyright (c) 1982, 1990, 1993
@ -85,7 +85,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tod.c,v 1.11 2005/12/11 12:19:16 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: tod.c,v 1.12 2006/09/03 18:38:46 gdamore Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -208,6 +208,7 @@ tod_vme_attach(struct device *parent, struct device *self, void *aux)
static void
tod_attach(struct mm58167_softc *sc)
{
todr_chip_handle_t tch;
/* Call the IC attach code. */
sc->mm58167_msec_xxx = MM58167REG_MSEC_XXX;
@ -220,81 +221,10 @@ tod_attach(struct mm58167_softc *sc)
sc->mm58167_mon = MM58167REG_MON;
sc->mm58167_status = MM58167REG_STATUS;
sc->mm58167_go = MM58167REG_GO;
if ((todr_handle = mm58167_attach(sc)) == NULL)
if ((tch = mm58167_attach(sc)) == NULL)
panic("tod_attach: can't attach ic");
todr_attach(tch);
printf("\n");
}
/*
* Machine-dependent clock routines.
*
* Inittodr initializes the time of day hardware which provides
* date functions.
*
* Resettodr restores the time of day hardware after a time change.
*/
/*
* Initialize the time of day register, based on the time base
* which is, e.g. from a filesystem.
*/
void
inittodr(time_t fs_time)
{
struct timeval tv;
time_t diff, clk_time;
time_t long_ago = (5 * SECYR);
int clk_bad = 0;
/*
* Sanity check time from file system.
* If it is zero,assume filesystem time is just unknown
* instead of preposterous. Don't bark.
*/
if (fs_time < long_ago) {
/*
* If fs_time is zero, assume filesystem time is just
* unknown instead of preposterous. Don't bark.
*/
if (fs_time != 0)
printf("WARNING: preposterous time in file system\n");
/* 1991/07/01 12:00:00 */
fs_time = 21*SECYR + 186*SECDAY + SECDAY/2;
}
todr_gettime(todr_handle, &tv);
clk_time = tv.tv_sec;
/* Sanity check time from clock. */
if (clk_time < long_ago) {
printf("WARNING: bad date in battery clock");
clk_bad = 1;
clk_time = fs_time;
} else {
/* Does the clock time jive with the file system? */
diff = clk_time - fs_time;
if (diff < 0)
diff = -diff;
if (diff >= (SECDAY*2)) {
printf("WARNING: clock %s %d days",
(clk_time < fs_time) ? "lost" : "gained",
(int) (diff / SECDAY));
clk_bad = 1;
}
}
if (clk_bad)
printf(" -- CHECK AND RESET THE DATE!\n");
time.tv_sec = clk_time;
}
/*
* Resettodr restores the time of day hardware after a time change.
*/
void
resettodr(void)
{
struct timeval tv;
tv = time;
todr_settime(todr_handle, &tv);
}