diff options
Diffstat (limited to 'hw/intc/i8259_common.c')
| -rw-r--r-- | hw/intc/i8259_common.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/hw/intc/i8259_common.c b/hw/intc/i8259_common.c index 18427b459a..a3caddeefb 100644 --- a/hw/intc/i8259_common.c +++ b/hw/intc/i8259_common.c @@ -25,6 +25,10 @@ #include "qemu/osdep.h" #include "hw/i386/pc.h" #include "hw/isa/i8259_internal.h" +#include "monitor/monitor.h" + +static int irq_level[16]; +static uint64_t irq_count[16]; void pic_reset_common(PICCommonState *s) { @@ -98,6 +102,43 @@ ISADevice *i8259_init_chip(const char *name, ISABus *bus, bool master) return isadev; } +void pic_stat_update_irq(int irq, int level) +{ + if (level != irq_level[irq]) { + irq_level[irq] = level; + if (level == 1) { + irq_count[irq]++; + } + } +} + +bool pic_get_statistics(InterruptStatsProvider *obj, + uint64_t **irq_counts, unsigned int *nb_irqs) +{ + PICCommonState *s = PIC_COMMON(obj); + + if (s->master) { + *irq_counts = irq_count; + *nb_irqs = ARRAY_SIZE(irq_count); + } else { + *irq_counts = NULL; + *nb_irqs = 0; + } + + return true; +} + +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 const VMStateDescription vmstate_pic_common = { .name = "i8259", .version_id = 1, |