void libarm_restore_irq_fiq | ( | int | disable_irq_fiq_return | ) |
  | Restores the IRQ and FIQ interrupt enable state. Parameters:
  | disable_irq_fiq_return | The value returned from libarm_disable_irq_fiq.
This function restores the IRQ and FIQ enable state to the state it was in before a call to libarm_disable_irq_fiq. Note that this function modifies the CPSR register's control field and therefore will only work when the CPU is executing in a privileged operating mode. Example:
      int s;

      // Disable IRQ and FIQ interrupts
      s = libarm_disable_irq_fiq();

      ...

      // Restore IRQ and FIQ interrupts
      libarm_restore_irq_fiq(s);