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| author | Hervé Poussineau | 2016-09-26 22:23:24 +0200 |
|---|---|---|
| committer | Paolo Bonzini | 2016-10-04 10:00:25 +0200 |
| commit | 4f2e39e10360380862ae388424c129ce56ec8ae9 (patch) | |
| tree | 3e24c3704efbef179291f3689f190ea1c851fba8 /hw/intc/i8259.c | |
| parent | intc: add an interface to gather statistics/informations on interrupt control... (diff) | |
| download | qemu-4f2e39e10360380862ae388424c129ce56ec8ae9.tar.gz qemu-4f2e39e10360380862ae388424c129ce56ec8ae9.tar.xz qemu-4f2e39e10360380862ae388424c129ce56ec8ae9.zip | |
intc/i8259: implement InterruptStatsProvider interface
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>
Diffstat (limited to 'hw/intc/i8259.c')
| -rw-r--r-- | hw/intc/i8259.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/hw/intc/i8259.c b/hw/intc/i8259.c index c2607a5868..75c8d22518 100644 --- a/hw/intc/i8259.c +++ b/hw/intc/i8259.c @@ -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) |