diff options
Diffstat (limited to 'hw/intc/gic_internal.h')
-rw-r--r-- | hw/intc/gic_internal.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/hw/intc/gic_internal.h b/hw/intc/gic_internal.h index 8c02d5888c..92a6f7a3ff 100644 --- a/hw/intc/gic_internal.h +++ b/hw/intc/gic_internal.h @@ -34,7 +34,6 @@ #define GIC_TEST_ENABLED(irq, cm) ((s->irq_state[irq].enabled & (cm)) != 0) #define GIC_SET_PENDING(irq, cm) s->irq_state[irq].pending |= (cm) #define GIC_CLEAR_PENDING(irq, cm) s->irq_state[irq].pending &= ~(cm) -#define GIC_TEST_PENDING(irq, cm) ((s->irq_state[irq].pending & (cm)) != 0) #define GIC_SET_ACTIVE(irq, cm) s->irq_state[irq].active |= (cm) #define GIC_CLEAR_ACTIVE(irq, cm) s->irq_state[irq].active &= ~(cm) #define GIC_TEST_ACTIVE(irq, cm) ((s->irq_state[irq].active & (cm)) != 0) @@ -63,4 +62,19 @@ void gic_update(GICState *s); void gic_init_irqs_and_distributor(GICState *s, int num_irq); void gic_set_priority(GICState *s, int cpu, int irq, uint8_t val); +static inline bool gic_test_pending(GICState *s, int irq, int cm) +{ + if (s->revision == REV_NVIC || s->revision == REV_11MPCORE) { + return s->irq_state[irq].pending & cm; + } else { + /* Edge-triggered interrupts are marked pending on a rising edge, but + * level-triggered interrupts are either considered pending when the + * level is active or if software has explicitly written to + * GICD_ISPENDR to set the state pending. + */ + return (s->irq_state[irq].pending & cm) || + (!GIC_TEST_EDGE_TRIGGER(irq) && GIC_TEST_LEVEL(irq, cm)); + } +} + #endif /* !QEMU_ARM_GIC_INTERNAL_H */ |