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intc/i8259: implement InterruptStatsProvider interface

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Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Message-Id: <1474921408-24710-3-git-send-email-hpoussin@reactos.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Hervé Poussineau 2016-09-26 22:23:24 +02:00 committed by Paolo Bonzini
parent 120e512b7f
commit 4f2e39e103
1 changed files with 37 additions and 0 deletions
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37
hw/intc/i8259.c
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@ -29,6 +29,7 @@
#include "qemu/timer.h"
#include "qemu/log.h"
#include "hw/isa/i8259_internal.h"
#include "hw/intc/intc.h"
/* debug PIC */
//#define DEBUG_PIC
@ -251,6 +252,35 @@ static void pic_reset(DeviceState *dev)
pic_init_reset(s);
}
static bool pic_get_statistics(InterruptStatsProvider *obj,
uint64_t **irq_counts, unsigned int *nb_irqs)
{
PICCommonState *s = PIC_COMMON(obj);
if (s->master) {
#ifdef DEBUG_IRQ_COUNT
*irq_counts = irq_count;
*nb_irqs = ARRAY_SIZE(irq_count);
#else
return false;
#endif
} else {
*irq_counts = NULL;
*nb_irqs = 0;
}
return true;
}
static void pic_print_info(InterruptStatsProvider *obj, Monitor *mon)
{
PICCommonState *s = PIC_COMMON(obj);
monitor_printf(mon, "pic%d: irr=%02x imr=%02x isr=%02x hprio=%d "
"irq_base=%02x rr_sel=%d elcr=%02x fnm=%d\n",
s->master ? 0 : 1, s->irr, s->imr, s->isr, s->priority_add,
s->irq_base, s->read_reg_select, s->elcr,
s->special_fully_nested_mode);
}
static void pic_ioport_write(void *opaque, hwaddr addr64,
uint64_t val64, unsigned size)
{
@ -503,10 +533,13 @@ static void i8259_class_init(ObjectClass *klass, void *data)
{
PICClass *k = PIC_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
InterruptStatsProviderClass *ic = INTERRUPT_STATS_PROVIDER_CLASS(klass);
k->parent_realize = dc->realize;
dc->realize = pic_realize;
dc->reset = pic_reset;
ic->get_statistics = pic_get_statistics;
ic->print_info = pic_print_info;
}
static const TypeInfo i8259_info = {
@ -515,6 +548,10 @@ static const TypeInfo i8259_info = {
.parent = TYPE_PIC_COMMON,
.class_init = i8259_class_init,
.class_size = sizeof(PICClass),
.interfaces = (InterfaceInfo[]) {
{ TYPE_INTERRUPT_STATS_PROVIDER },
{ }
},
};
static void pic_register_types(void)