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MFp4: Update the interrupt code from perforce.

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Submitted by:	gonzo@
This commit is contained in:
Warner Losh 2008-09-19 04:10:09 +00:00
parent 7c626c0c38
commit 3fbac48f38
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=183173
2 changed files with 10 additions and 51 deletions
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23
sys/mips/adm5120/obio.c
View File

@ -320,7 +320,7 @@ obio_setup_intr(device_t dev, device_t child, struct resource *ires,
event = sc->sc_eventstab[irq];
if (event == NULL) {
error = intr_event_create(&event, (void *)irq, 0,
error = intr_event_create(&event, (void *)irq, 0, irq,
(mask_fn)mips_mask_irq, (mask_fn)mips_unmask_irq,
NULL, NULL, "obio intr%d:", irq);
@ -379,9 +379,8 @@ obio_intr(void *arg)
{
struct obio_softc *sc = arg;
struct intr_event *event;
struct intr_handler *ih;
uint32_t irqstat;
int irq, thread = 0;
int irq;
irqstat = REG_READ(ICU_FIQ_STATUS_REG);
irqstat |= REG_READ(ICU_STATUS_REG);
@ -390,20 +389,12 @@ obio_intr(void *arg)
while (irqstat != 0) {
if ((irqstat & 1) == 1) {
event = sc->sc_eventstab[irq];
if (event && !TAILQ_EMPTY(&event->ie_handlers)) {
/* Execute fast handlers. */
TAILQ_FOREACH(ih, &event->ie_handlers,
ih_next) {
if (ih->ih_filter == NULL)
thread = 1;
else
ih->ih_filter(ih->ih_argument);
}
}
if (!event || TAILQ_EMPTY(&event->ie_handlers))
continue;
/* Schedule thread if needed. */
if (thread)
intr_event_schedule_thread(event);
/* TODO: pass frame as an argument*/
/* TODO: log stray interrupt */
intr_event_handle(event, NULL);
}
irq++;

38
sys/mips/idt/obio.c
View File

@ -273,7 +273,7 @@ obio_setup_intr(device_t dev, device_t child, struct resource *ires,
event = sc->sc_eventstab[irq];
if (event == NULL) {
error = intr_event_create(&event, (void *)irq, 0,
error = intr_event_create(&event, (void *)irq, 0, irq,
(mask_fn)obio_mask_irq, (mask_fn)obio_unmask_irq,
NULL, NULL,
"obio intr%d:", irq);
@ -328,9 +328,8 @@ obio_intr(void *arg)
{
struct obio_softc *sc = arg;
struct intr_event *event;
struct intr_handler *ih;
uint32_t irqstat, ipend, imask, xpend;
int irq, thread, group, i, ret;
int irq, thread, group, i;
irqstat = 0;
irq = 0;
@ -350,47 +349,16 @@ obio_intr(void *arg)
irq = IP_IRQ(group, i - 1);
event = sc->sc_eventstab[irq];
thread = 0;
#ifndef INTR_FILTER
obio_mask_irq(irq);
#endif
if (!event || TAILQ_EMPTY(&event->ie_handlers)) {
#ifdef INTR_FILTER
obio_unmask_irq(irq);
#endif
/* TODO: Log stray IRQs */
continue;
}
#ifdef INTR_FILTER
/* TODO: frame instead of NULL? */
intr_event_handle(event, NULL);
/* XXX: Log stray IRQs */
#else
/* Execute fast handlers. */
TAILQ_FOREACH(ih, &event->ie_handlers,
ih_next) {
if (ih->ih_filter == NULL)
thread = 1;
else
ret = ih->ih_filter(ih->ih_argument);
/*
* Wrapper handler special case: see
* intr_execute_handlers() in
* i386/intr_machdep.c
*/
if (!thread) {
if (ret == FILTER_SCHEDULE_THREAD)
thread = 1;
}
}
/* Schedule thread if needed. */
if (thread)
intr_event_schedule_thread(event);
else
obio_unmask_irq(irq);
}
}
#endif
#if 0
ipend = ICU_REG_READ(ICU_IPEND2);
printf("ipend2 = %08x!\n", ipend);