ldube commented on PR #12825:
URL: https://github.com/apache/nuttx/pull/12825#issuecomment-2267244953
I think arm_decodeirq needs to be updated. The return value is important. If
nothing changes, you return the argument instead of NULL. I do not call
irq_dispatch directly. That is done by arm_doirq.
Here is my arm_decodeirq:
uint32_t *arm_decodeirq(uint32_t *regs)
{
#ifdef CONFIG_SUPPRESS_INTERRUPTS
err("ERROR: Unexpected IRQ\n");
PANIC();
#else
unsigned int irq_enc = ic_getreg32(INTR_IRQ_ENC_ST_OFFSET) >> 2;
if (irq_enc != 0)
{
unsigned int irq = irq_enc - 1;
/* Verify that the resulting IRQ number is valid */
if (irq < NR_IRQS)
{
/* Deliver the IRQ */
regs = arm_doirq(irq, regs);
}
}
#endif
return regs;
}
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