Timecounters for hp700 from Garrett. Tested by me.
This commit is contained in:
skrll
parent
dfef23e0d0
commit
05f8bc59e4
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: clock.c,v 1.5 2006/09/15 07:51:17 skrll Exp $ */
|
||||
/* $NetBSD: clock.c,v 1.6 2006/09/16 15:43:24 skrll Exp $ */
|
||||
|
||||
/* $OpenBSD: clock.c,v 1.10 2001/08/31 03:13:42 mickey Exp $ */
|
||||
|
||||
|
|
@ -33,12 +33,13 @@
|
|||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__KERNEL_RCSID(0, "$NetBSD: clock.c,v 1.5 2006/09/15 07:51:17 skrll Exp $");
|
||||
__KERNEL_RCSID(0, "$NetBSD: clock.c,v 1.6 2006/09/16 15:43:24 skrll Exp $");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/timetc.h>
|
||||
|
||||
#include <machine/pdc.h>
|
||||
#include <machine/iomod.h>
|
||||
|
|
@ -56,26 +57,54 @@ __KERNEL_RCSID(0, "$NetBSD: clock.c,v 1.5 2006/09/15 07:51:17 skrll Exp $");
|
|||
#include <ddb/db_extern.h>
|
||||
#endif
|
||||
|
||||
static unsigned get_itimer_count(struct timecounter *);
|
||||
|
||||
void
|
||||
cpu_initclocks(void)
|
||||
{
|
||||
static struct timecounter tc = {
|
||||
.tc_get_timecount = get_itimer_count,
|
||||
.tc_name = "itimer",
|
||||
.tc_counter_mask = ~0,
|
||||
.tc_quality = 100,
|
||||
};
|
||||
|
||||
extern u_int cpu_hzticks;
|
||||
u_int time_inval;
|
||||
|
||||
tc.tc_frequency = cpu_hzticks * hz;
|
||||
|
||||
/* Start the interval timer. */
|
||||
mfctl(CR_ITMR, time_inval);
|
||||
mtctl(time_inval + cpu_hzticks, CR_ITMR);
|
||||
|
||||
tc_init(&tc);
|
||||
}
|
||||
|
||||
unsigned
|
||||
get_itimer_count(struct timecounter *tc)
|
||||
{
|
||||
uint32_t val;
|
||||
|
||||
mfctl(CR_ITMR, val);
|
||||
|
||||
return val;
|
||||
}
|
||||
|
||||
int
|
||||
clock_intr(void *v)
|
||||
{
|
||||
struct clockframe *frame = v;
|
||||
extern u_int cpu_hzticks;
|
||||
u_int time_inval;
|
||||
|
||||
/* Restart the interval timer. */
|
||||
mfctl(CR_ITMR, time_inval);
|
||||
mtctl(time_inval + cpu_hzticks, CR_ITMR);
|
||||
|
||||
/* printf ("clock int 0x%x @ 0x%x for %p\n", t,
|
||||
CLKF_PC(frame), curproc); */
|
||||
|
||||
cpu_initclocks();
|
||||
if (!cold)
|
||||
hardclock(frame);
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: locore.S,v 1.14 2005/12/11 12:17:24 christos Exp $ */
|
||||
/* $NetBSD: locore.S,v 1.15 2006/09/16 15:43:24 skrll Exp $ */
|
||||
|
||||
/* $OpenBSD: locore.S,v 1.46 2001/09/20 18:33:03 mickey Exp $ */
|
||||
|
||||
|
|
@ -701,40 +701,6 @@ forever: ; Loop until bus reset takes effect.
|
|||
nop
|
||||
EXIT(cpu_die)
|
||||
|
||||
/*
|
||||
* adjust the time value
|
||||
* XXX: do it the easy way, later we will calculate actual fuzz from itr
|
||||
*/
|
||||
LEAF_ENTRY(microtime)
|
||||
|
||||
.import time, data
|
||||
ldil L%-1000000, %t3
|
||||
ldil L%time, %t1
|
||||
ldo R%-1000000(%t3), %t3
|
||||
|
||||
/* t4 = splhigh() */
|
||||
mfctl %eiem, %t4
|
||||
mtctl %r0, %eiem
|
||||
|
||||
ldw R%time+4(%t1), %t2
|
||||
ldw R%time(%t1), %t1
|
||||
|
||||
/* splx(%t4) */
|
||||
mtctl %t4, %eiem
|
||||
|
||||
addi 1, %t2, %t2
|
||||
addb,<,n %t2, %t3, microtime_no
|
||||
addi 1, %t1, %t1
|
||||
|
||||
copy %t3, %t2
|
||||
|
||||
microtime_no:
|
||||
stwm %t1, 4(%arg0)
|
||||
bv (%rp)
|
||||
stw %t2, 0(%arg0)
|
||||
|
||||
EXIT(microtime)
|
||||
|
||||
/* Include the system call and trap handling. */
|
||||
#include <hppa/hppa/trap.S>
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: types.h,v 1.6 2006/09/15 07:51:17 skrll Exp $ */
|
||||
/* $NetBSD: types.h,v 1.7 2006/09/16 15:43:24 skrll Exp $ */
|
||||
|
||||
#ifndef _HP700_TYPES_H_
|
||||
#define _HP700_TYPES_H_
|
||||
|
|
@ -8,5 +8,6 @@
|
|||
#define __HAVE_GENERIC_SOFT_INTERRUPTS
|
||||
#define __HAVE_DEVICE_REGISTER
|
||||
#define __HAVE_GENERIC_TODR
|
||||
#define __HAVE_TIMECOUNTER
|
||||
|
||||
#endif /* _HP700_TYPES_H_ */
|
||||
|
|
|
|||
Loading…
Reference in New Issue