1 /* $NetBSD: interrupt.h,v 1.7 2016/04/03 10:03:34 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/evcnt.h> 30 31 enum ipl_type { 32 IPL_INTC, 33 IPL_DMAC, 34 }; 35 36 struct _ipl_dispatcher { 37 int (*func)(void *); 38 void *arg; 39 int ipl; 40 int channel; 41 int bit; 42 SLIST_ENTRY(_ipl_dispatcher) link; 43 }; 44 45 struct _ipl_holder { 46 u_int32_t mask; 47 }; 48 49 struct _playstation2_evcnt { 50 struct evcnt clock, sbus, dmac; 51 }; 52 extern struct _playstation2_evcnt _playstation2_evcnt; 53 extern struct clockframe playstation2_clockframe; 54 55 void interrupt_init_bootstrap(void); 56 void interrupt_init(void); 57 void softintr_dispatch(int); 58 59 /* for SIF BIOS */ 60 void _sif_call_start(void); 61 void _sif_call_end(void); 62 63 /* SPL */ 64 void md_ipl_register(enum ipl_type, struct _ipl_holder *); 65 void md_imask_update(void); 66