FAR chipreg_t *up_doirq(uint8_t irq, FAR chipreg_t *regs)
{
up_ledon(LED_INIRQ);
#ifdef CONFIG_SUPPRESS_INTERRUPTS
lowsyslog("Unexpected IRQ\n");
IRQ_ENTER(regs);
PANIC();
return NULL; /* Won't get here */
#else
if (irq < NR_IRQS)
{
DECL_SAVESTATE();
/* Indicate that we have entered IRQ processing logic */
IRQ_ENTER(irq, regs);
/* Deliver the IRQ */
irq_dispatch(irq, regs);
/* If a context switch occurred, 'regs' will hold the new context */
regs = IRQ_STATE();
/* Indicate that we are no longer in interrupt processing logic */
IRQ_LEAVE(irq);
}
up_ledoff(LED_INIRQ);
return regs;
#endif
}
FAR chipreg_t *up_doirq(uint8_t irq, FAR chipreg_t *regs)
{
board_led_on(LED_INIRQ);
#ifdef CONFIG_SUPPRESS_INTERRUPTS
lowsyslog(LOG_ERR, "Unexpected IRQ\n");
IRQ_ENTER(regs);
PANIC();
return NULL; /* Won't get here */
#else
#ifdef CONFIG_ARCH_ADDRENV
FAR chipreg_t *newregs;
#endif
if (irq < NR_IRQS)
{
DECL_SAVESTATE();
/* Indicate that we have entered IRQ processing logic */
IRQ_ENTER(irq, regs);
/* Deliver the IRQ */
irq_dispatch(irq, regs);
#ifdef CONFIG_ARCH_ADDRENV
/* If a context switch occurred, 'newregs' will hold the new context */
newregs = IRQ_STATE();
if (newregs != regs)
{
/* Make sure that the address environment for the previously
* running task is closed down gracefully and set up the
* address environment for the new thread at the head of the
* ready-to-run list.
*/
(void)group_addrenv(NULL);
}
regs = newregs;
#else
/* If a context switch occurred, 'regs' will hold the new context */
regs = IRQ_STATE();
#endif
/* Indicate that we are no longer in interrupt processing logic */
IRQ_LEAVE(irq);
}
board_led_off(LED_INIRQ);
return regs;
#endif
}
