Count PCI irqs in up to 4 ISAish counters named `pci irqnn' instead of

in the clk0 counter.

Reviewed by:	s
This commit is contained in:
Bruce Evans 1996-03-29 15:01:51 +00:00
parent 0e08ab6ff0
commit a680ab7537
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=14919
6 changed files with 180 additions and 18 deletions

View file

@ -1,6 +1,6 @@
/**************************************************************************
**
** $Id: pcibus.c,v 1.20 1995/12/10 13:39:04 phk Exp $
** $Id: pcibus.c,v 1.21 1995/12/16 00:27:59 bde Exp $
**
** pci bus subroutines for i386 architecture.
**
@ -35,6 +35,8 @@
***************************************************************************
*/
#include "vector.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
@ -425,10 +427,35 @@ pcibus_write (pcici_t tag, u_long reg, u_long data)
static int
pcibus_ihandler_attach (int irq, inthand2_t *func, int arg, unsigned * maskptr)
{
int result;
char buf[16];
char *cp;
int free_id, id, result;
sprintf(buf, "pci irq%d", irq);
for (cp = intrnames, free_id = 0, id = 0; id < NR_DEVICES; id++) {
if (strcmp(cp, buf) == 0)
break;
if (free_id <= 0 && strcmp(cp, "pci irqnn") == 0)
free_id = id;
while (*cp++ != '\0')
;
}
if (id == NR_DEVICES) {
id = free_id;
if (id == 0) {
/*
* All pci irq counters are in use, perhaps because
* config is old so there aren't any. Abuse the
* clk0 counter.
*/
printf (
"pcibus_ihandler_attach: counting pci irq%d's as clk0 irqs\n",
irq);
}
}
result = register_intr(
irq, /* isa irq */
0, /* deviced?? */
id, /* device id */
0, /* flags? */
func, /* handler */
maskptr, /* mask pointer */

View file

@ -1,6 +1,6 @@
/**************************************************************************
**
** $Id: pcibus.c,v 1.20 1995/12/10 13:39:04 phk Exp $
** $Id: pcibus.c,v 1.21 1995/12/16 00:27:59 bde Exp $
**
** pci bus subroutines for i386 architecture.
**
@ -35,6 +35,8 @@
***************************************************************************
*/
#include "vector.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
@ -425,10 +427,35 @@ pcibus_write (pcici_t tag, u_long reg, u_long data)
static int
pcibus_ihandler_attach (int irq, inthand2_t *func, int arg, unsigned * maskptr)
{
int result;
char buf[16];
char *cp;
int free_id, id, result;
sprintf(buf, "pci irq%d", irq);
for (cp = intrnames, free_id = 0, id = 0; id < NR_DEVICES; id++) {
if (strcmp(cp, buf) == 0)
break;
if (free_id <= 0 && strcmp(cp, "pci irqnn") == 0)
free_id = id;
while (*cp++ != '\0')
;
}
if (id == NR_DEVICES) {
id = free_id;
if (id == 0) {
/*
* All pci irq counters are in use, perhaps because
* config is old so there aren't any. Abuse the
* clk0 counter.
*/
printf (
"pcibus_ihandler_attach: counting pci irq%d's as clk0 irqs\n",
irq);
}
}
result = register_intr(
irq, /* isa irq */
0, /* deviced?? */
id, /* device id */
0, /* flags? */
func, /* handler */
maskptr, /* mask pointer */

View file

@ -1,6 +1,6 @@
/**************************************************************************
**
** $Id: pcibus.c,v 1.20 1995/12/10 13:39:04 phk Exp $
** $Id: pcibus.c,v 1.21 1995/12/16 00:27:59 bde Exp $
**
** pci bus subroutines for i386 architecture.
**
@ -35,6 +35,8 @@
***************************************************************************
*/
#include "vector.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
@ -425,10 +427,35 @@ pcibus_write (pcici_t tag, u_long reg, u_long data)
static int
pcibus_ihandler_attach (int irq, inthand2_t *func, int arg, unsigned * maskptr)
{
int result;
char buf[16];
char *cp;
int free_id, id, result;
sprintf(buf, "pci irq%d", irq);
for (cp = intrnames, free_id = 0, id = 0; id < NR_DEVICES; id++) {
if (strcmp(cp, buf) == 0)
break;
if (free_id <= 0 && strcmp(cp, "pci irqnn") == 0)
free_id = id;
while (*cp++ != '\0')
;
}
if (id == NR_DEVICES) {
id = free_id;
if (id == 0) {
/*
* All pci irq counters are in use, perhaps because
* config is old so there aren't any. Abuse the
* clk0 counter.
*/
printf (
"pcibus_ihandler_attach: counting pci irq%d's as clk0 irqs\n",
irq);
}
}
result = register_intr(
irq, /* isa irq */
0, /* deviced?? */
id, /* device id */
0, /* flags? */
func, /* handler */
maskptr, /* mask pointer */

View file

@ -1,6 +1,6 @@
/**************************************************************************
**
** $Id: pcibus.c,v 1.20 1995/12/10 13:39:04 phk Exp $
** $Id: pcibus.c,v 1.21 1995/12/16 00:27:59 bde Exp $
**
** pci bus subroutines for i386 architecture.
**
@ -35,6 +35,8 @@
***************************************************************************
*/
#include "vector.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
@ -425,10 +427,35 @@ pcibus_write (pcici_t tag, u_long reg, u_long data)
static int
pcibus_ihandler_attach (int irq, inthand2_t *func, int arg, unsigned * maskptr)
{
int result;
char buf[16];
char *cp;
int free_id, id, result;
sprintf(buf, "pci irq%d", irq);
for (cp = intrnames, free_id = 0, id = 0; id < NR_DEVICES; id++) {
if (strcmp(cp, buf) == 0)
break;
if (free_id <= 0 && strcmp(cp, "pci irqnn") == 0)
free_id = id;
while (*cp++ != '\0')
;
}
if (id == NR_DEVICES) {
id = free_id;
if (id == 0) {
/*
* All pci irq counters are in use, perhaps because
* config is old so there aren't any. Abuse the
* clk0 counter.
*/
printf (
"pcibus_ihandler_attach: counting pci irq%d's as clk0 irqs\n",
irq);
}
}
result = register_intr(
irq, /* isa irq */
0, /* deviced?? */
id, /* device id */
0, /* flags? */
func, /* handler */
maskptr, /* mask pointer */

View file

@ -1,6 +1,6 @@
/**************************************************************************
**
** $Id: pcibus.c,v 1.20 1995/12/10 13:39:04 phk Exp $
** $Id: pcibus.c,v 1.21 1995/12/16 00:27:59 bde Exp $
**
** pci bus subroutines for i386 architecture.
**
@ -35,6 +35,8 @@
***************************************************************************
*/
#include "vector.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
@ -425,10 +427,35 @@ pcibus_write (pcici_t tag, u_long reg, u_long data)
static int
pcibus_ihandler_attach (int irq, inthand2_t *func, int arg, unsigned * maskptr)
{
int result;
char buf[16];
char *cp;
int free_id, id, result;
sprintf(buf, "pci irq%d", irq);
for (cp = intrnames, free_id = 0, id = 0; id < NR_DEVICES; id++) {
if (strcmp(cp, buf) == 0)
break;
if (free_id <= 0 && strcmp(cp, "pci irqnn") == 0)
free_id = id;
while (*cp++ != '\0')
;
}
if (id == NR_DEVICES) {
id = free_id;
if (id == 0) {
/*
* All pci irq counters are in use, perhaps because
* config is old so there aren't any. Abuse the
* clk0 counter.
*/
printf (
"pcibus_ihandler_attach: counting pci irq%d's as clk0 irqs\n",
irq);
}
}
result = register_intr(
irq, /* isa irq */
0, /* deviced?? */
id, /* device id */
0, /* flags? */
func, /* handler */
maskptr, /* mask pointer */

View file

@ -1,6 +1,6 @@
/**************************************************************************
**
** $Id: pcibus.c,v 1.20 1995/12/10 13:39:04 phk Exp $
** $Id: pcibus.c,v 1.21 1995/12/16 00:27:59 bde Exp $
**
** pci bus subroutines for i386 architecture.
**
@ -35,6 +35,8 @@
***************************************************************************
*/
#include "vector.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
@ -425,10 +427,35 @@ pcibus_write (pcici_t tag, u_long reg, u_long data)
static int
pcibus_ihandler_attach (int irq, inthand2_t *func, int arg, unsigned * maskptr)
{
int result;
char buf[16];
char *cp;
int free_id, id, result;
sprintf(buf, "pci irq%d", irq);
for (cp = intrnames, free_id = 0, id = 0; id < NR_DEVICES; id++) {
if (strcmp(cp, buf) == 0)
break;
if (free_id <= 0 && strcmp(cp, "pci irqnn") == 0)
free_id = id;
while (*cp++ != '\0')
;
}
if (id == NR_DEVICES) {
id = free_id;
if (id == 0) {
/*
* All pci irq counters are in use, perhaps because
* config is old so there aren't any. Abuse the
* clk0 counter.
*/
printf (
"pcibus_ihandler_attach: counting pci irq%d's as clk0 irqs\n",
irq);
}
}
result = register_intr(
irq, /* isa irq */
0, /* deviced?? */
id, /* device id */
0, /* flags? */
func, /* handler */
maskptr, /* mask pointer */