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INTR_FILTER bits for arm

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Approved by:	re (blanket)
This commit is contained in:
cognet 2007-07-27 14:26:42 +00:00
parent c92e6f0075
commit b1d9735f04
1 changed files with 44 additions and 2 deletions
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46
sys/arm/arm/intr.c
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@ -57,6 +57,27 @@ static int last_printed = 0;
void arm_handler_execute(struct trapframe *, int);
#ifdef INTR_FILTER
static void
intr_disab_eoi_src(void *arg)
{
uintptr_t nb;
nb = (uintptr_t)arg;
arm_mask_irq(nb);
}
static void
intr_eoi_src(void *arg)
{
uintptr_t nb;
nb = (uintptr_t)arg;
arm_unmask_irq(nb);
}
#endif
void
arm_setup_irqhandler(const char *name, driver_filter_t *filt,
void (*hand)(void*), void *arg, int irq, int flags, void **cookiep)
@ -68,8 +89,14 @@ arm_setup_irqhandler(const char *name, driver_filter_t *filt,
return;
event = intr_events[irq];
if (event == NULL) {
#ifdef INTR_FILTER
error = intr_event_create(&event, (void *)irq, 0,
(void (*)(void *))arm_unmask_irq, intr_eoi_src,
intr_disab_eoi_src, "intr%d:", irq);
#else
error = intr_event_create(&event, (void *)irq, 0,
(void (*)(void *))arm_unmask_irq, "intr%d:", irq);
#endif
if (error)
return;
intr_events[irq] = event;
@ -102,19 +129,33 @@ void
arm_handler_execute(struct trapframe *frame, int irqnb)
{
struct intr_event *event;
struct intr_handler *ih;
struct thread *td = curthread;
#ifdef INTR_FILTER
int i;
#else
int i, thread, ret;
struct intr_handler *ih;
#endif
PCPU_INC(cnt.v_intr);
td->td_intr_nesting_level++;
while ((i = arm_get_next_irq()) != -1) {
#ifndef INTR_FILTER
arm_mask_irq(i);
#endif
intrcnt[intrcnt_tab[i]]++;
event = intr_events[i];
if (!event || TAILQ_EMPTY(&event->ie_handlers))
if (!event || TAILQ_EMPTY(&event->ie_handlers)) {
#ifdef INTR_FILTER
arm_mask_irq(i);
#endif
continue;
}
#ifdef INTR_FILTER
intr_event_handle(event, frame);
/* XXX: Log stray IRQs */
#else
/* Execute fast handlers. */
ret = 0;
thread = 0;
@ -139,6 +180,7 @@ arm_handler_execute(struct trapframe *frame, int irqnb)
intr_event_schedule_thread(event);
else
arm_unmask_irq(i);
#endif
}
td->td_intr_nesting_level--;
}