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Convert to timecounters. Since sun2 lacks a separate timer for microsecond 

interpolation, we just use the default clock interrupt timer. (100Hz)
This commit is contained in:
gdamore 2006-09-03 21:43:56 +00:00
parent 77c903b90a
commit d38176b5c8
2 changed files with 4 additions and 37 deletions
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3
sys/arch/sun2/include/types.h
View File

@ -1,6 +1,7 @@
/* $NetBSD: types.h,v 1.5 2006/09/03 19:20:17 gdamore Exp $ */
/* $NetBSD: types.h,v 1.6 2006/09/03 21:43:56 gdamore Exp $ */
#include <m68k/types.h>
#define __HAVE_GENERIC_SOFT_INTERRUPTS
#define __HAVE_GENERIC_TODR
#define __HAVE_TIMECOUNTER

38
sys/arch/sun2/sun2/clock.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: clock.c,v 1.10 2005/12/11 12:19:16 christos Exp $ */
/* $NetBSD: clock.c,v 1.11 2006/09/03 21:43:56 gdamore Exp $ */
/*
* Copyright (c) 1982, 1990, 1993
@ -85,7 +85,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: clock.c,v 1.10 2005/12/11 12:19:16 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: clock.c,v 1.11 2006/09/03 21:43:56 gdamore Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -308,37 +308,3 @@ clock_intr(struct clockframe cf)
/* Call common clock interrupt handler. */
hardclock(&cf);
}
/*
* Return the best possible estimate of the time in the timeval
* to which tvp points. We do this by returning the current time
* plus the amount of time since the last clock interrupt.
*
* Check that this time is no less than any previously-reported time,
* which could happen around the time of a clock adjustment. Just for
* fun, we guarantee that the time will be greater than the value
* obtained by a previous call.
*/
void
microtime(struct timeval *tvp)
{
int s;
static struct timeval lasttime;
s = splhigh();
*tvp = time;
tvp->tv_usec++; /* XXX */
while (tvp->tv_usec >= 1000000) {
tvp->tv_sec++;
tvp->tv_usec -= 1000000;
}
if (tvp->tv_sec == lasttime.tv_sec &&
tvp->tv_usec <= lasttime.tv_usec &&
(tvp->tv_usec = lasttime.tv_usec + 1) >= 1000000) {
tvp->tv_sec++;
tvp->tv_usec -= 1000000;
}
lasttime = *tvp;
splx(s);
}