/* IBM_PROLOG_BEGIN_TAG                                                   */
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/* $Source: import/chips/p9/procedures/ppe/pk/ppe42/ppe42_irq_core.c $    */
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/* IBM_PROLOG_END_TAG                                                     */

/// \file ppe42_irq_core.c
/// \brief Core IRQ routines required of any PPE42 configuration of PK
///
///  This file is mostly only a placeholder - where 'extern inline' API
///  functions and 'extern' variables are realized.  A couple of default
///  handlers are also installed here.  The entry points in this file are
///  considered 'core' routines that will always be present at runtime in any
///  PK application.

#define __PPE42_IRQ_CORE_C__

#include "pk.h"

#ifndef STATIC_IRQ_TABLE
    Ppe42IrqHandler __ppe42_irq_handlers[EXTERNAL_IRQS + 1];
#endif

/// This function is installed by default for interrupts not explicitly set up
/// by the application.  These interrupts should never fire.

void
__ppe42_default_irq_handler(void* arg, PkIrqId irq)
{
    PK_PANIC(PK_DEFAULT_IRQ_HANDLER);
}


/// This function is installed by default to handle the case that the
/// interrupt dispatch code is entered in response to an external
/// interrupt, but no interrupt is found pending in the interrupt
/// controller.  This should never happen, as it would indicate that a
/// 'glitch' occurred on the external interrupt input
/// to the PPE42 core.

void __ppe42_phantom_irq_handler(void* arg, PkIrqId irq)
{
    PK_PANIC(PPE42_PHANTOM_INTERRUPT);
}


#undef __PPE42_IRQ_CORE_C__
