2 * (C) Copyright 2007 Michal Simek
4 * Michal SIMEK <monstr@monstr.cz>
6 * SPDX-License-Identifier: GPL-2.0+
9 typedef volatile struct microblaze_intc_t {
10 int isr; /* interrupt status register */
11 int ipr; /* interrupt pending register */
12 int ier; /* interrupt enable register */
13 int iar; /* interrupt acknowledge register */
14 int sie; /* set interrupt enable bits */
15 int cie; /* clear interrupt enable bits */
16 int ivr; /* interrupt vector register */
17 int mer; /* master enable register */
21 interrupt_handler_t *handler; /* pointer to interrupt rutine */
23 int count; /* number of interrupt */
27 * Register and unregister interrupt handler rutines
29 * @param irq IRQ number
30 * @param hdlr Interrupt handler rutine
31 * @param arg Pointer to argument which is passed to int. handler rutine
32 * @return 0 if registration pass, 1 if unregistration pass,
33 * or an error code < 0 otherwise
35 int install_interrupt_handler(int irq, interrupt_handler_t *hdlr,
38 int interrupts_init(void);