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hw/intc/arm_gicv3: Implement gicv3_set_irq()

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Implement the code which updates the GIC state when an interrupt
input into the GIC is asserted.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
Tested-by: Shannon Zhao <shannon.zhao@linaro.org>
Message-id: 1465915112-29272-15-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2016-06-17 15:23:47 +01:00
parent 287c181ae4
commit c84428b33f
5 changed files with 65 additions and 1 deletions
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21
hw/intc/arm_gicv3_dist.c
View file

@ -856,3 +856,24 @@ MemTxResult gicv3_dist_write(void *opaque, hwaddr offset, uint64_t data,
}
return r;
}
void gicv3_dist_set_irq(GICv3State *s, int irq, int level)
{
/* Update distributor state for a change in an external SPI input line */
if (level == gicv3_gicd_level_test(s, irq)) {
return;
}
trace_gicv3_dist_set_irq(irq, level);
gicv3_gicd_level_replace(s, irq, level);
if (level) {
/* 0->1 edges latch the pending bit for edge-triggered interrupts */
if (gicv3_gicd_edge_trigger_test(s, irq)) {
gicv3_gicd_pending_set(s, irq);
}
}
gicv3_update(s, irq, 1);
}