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