38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2007 Michal Simek
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*
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* Michal SIMEK <monstr@monstr.cz>
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*/
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#include <irq_func.h>
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typedef volatile struct microblaze_intc_t {
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int isr; /* interrupt status register */
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int ipr; /* interrupt pending register */
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int ier; /* interrupt enable register */
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int iar; /* interrupt acknowledge register */
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int sie; /* set interrupt enable bits */
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int cie; /* clear interrupt enable bits */
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int ivr; /* interrupt vector register */
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int mer; /* master enable register */
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} microblaze_intc_t;
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struct irq_action {
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interrupt_handler_t *handler; /* pointer to interrupt rutine */
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void *arg;
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int count; /* number of interrupt */
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};
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/**
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* Register and unregister interrupt handler rutines
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*
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* @param irq IRQ number
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* @param hdlr Interrupt handler rutine
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* @param arg Pointer to argument which is passed to int. handler rutine
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* @return 0 if registration pass, 1 if unregistration pass,
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* or an error code < 0 otherwise
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*/
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int install_interrupt_handler(int irq, interrupt_handler_t *hdlr,
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void *arg);
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