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Convert to MI todr.

This commit is contained in:
gdamore 2006-09-05 07:34:54 +00:00
parent 113dbc3b0d
commit 86352b01a2
2 changed files with 4 additions and 89 deletions
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3
sys/arch/sh5/include/types.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: types.h,v 1.12 2005/12/24 20:07:32 perry Exp $ */
/* $NetBSD: types.h,v 1.13 2006/09/05 07:34:54 gdamore Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
@ -80,6 +80,7 @@ typedef volatile __int64_t __cpu_simple_lock_t;
#define __HAVE_GENERIC_SOFT_INTERRUPTS
#define __HAVE_SYSCALL_INTERN
#define __HAVE_FUNCTION_DESCRIPTORS
#define __HAVE_GENERIC_TODR
#if defined(_KERNEL)
#define __HAVE_RAS

90
sys/arch/sh5/sh5/sh5_clock.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sh5_clock.c,v 1.9 2005/12/11 12:19:02 christos Exp $ */
/* $NetBSD: sh5_clock.c,v 1.10 2006/09/05 07:34:54 gdamore Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
@ -75,7 +75,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sh5_clock.c,v 1.9 2005/12/11 12:19:02 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: sh5_clock.c,v 1.10 2006/09/05 07:34:54 gdamore Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -101,8 +101,6 @@ static struct evcnt clock_hardcnt;
static struct evcnt clock_statcnt;
static struct clock_attach_args *clock_args;
static todr_chip_handle_t todr_handle;
/*
* Common parts of clock autoconfiguration
@ -121,16 +119,6 @@ clock_config(struct device *dev, struct clock_attach_args *ca, struct evcnt *ev)
dev->dv_xname, "statcnt");
}
void
todr_attach(todr_chip_handle_t todr)
{
if (todr_handle)
panic("todr_attach: rtc already configured");
todr_handle = todr;
}
/*
* Set up the real-time and statistics clocks.
*/
@ -244,77 +232,3 @@ microtime(struct timeval *tvp)
lasttime = *tvp;
splx(s);
}
/*
* Set up the system's time, given a `reasonable' time value.
*/
void
inittodr(time_t base)
{
int badbase = 0, waszero = (base == 0);
struct timeval thetime;
if (todr_handle == NULL)
panic("inittodr: todr not configured");
if (base < 5 * SECYR) {
/*
* If base is 0, assume filesystem time is just unknown
* in stead of preposterous. Don't bark.
*/
if (base != 0)
printf("WARNING: preposterous time in file system\n");
/* not going to use it anyway, if the chip is readable */
base = 21*SECYR + 186*SECDAY + SECDAY/2;
badbase = 1;
}
if (todr_gettime(todr_handle, &thetime) != 0 ||
thetime.tv_sec == 0) {
badrtc:
printf("WARNING: bad date in battery clock");
/*
* Believe the time in the file system for lack of
* anything better, resetting the clock.
*/
time.tv_sec = base;
time.tv_usec = 0;
if (!badbase)
resettodr();
} else {
int deltat = thetime.tv_sec - base;
if (deltat < 0)
deltat = -deltat;
if (waszero || deltat < 2 * SECDAY)
return;
if (deltat > 50 * SECDAY)
goto badrtc;
printf("WARNING: clock %s %d days",
thetime.tv_sec < base ? "lost" : "gained", deltat / SECDAY);
time = thetime;
}
printf(" -- CHECK AND RESET THE DATE!\n");
}
/*
* Reset the clock based on the current time.
* Used when the current clock is preposterous, when the time is changed,
* and when rebooting. Do nothing if the time is not yet known, e.g.,
* when crashing during autoconfig.
*/
void
resettodr(void)
{
struct timeval thetime;
if (!time.tv_sec)
return;
thetime = time;
if (todr_settime(todr_handle, &thetime) != 0)
printf("resettodr: failed to set time\n");
}