1129198Scognet/* $NetBSD: fiq.h,v 1.1 2001/12/20 01:20:23 thorpej Exp $ */ 2129198Scognet 3139735Simp/*- 4129198Scognet * Copyright (c) 2001 Wasabi Systems, Inc. 5129198Scognet * All rights reserved. 6129198Scognet * 7129198Scognet * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8129198Scognet * 9129198Scognet * Redistribution and use in source and binary forms, with or without 10129198Scognet * modification, are permitted provided that the following conditions 11129198Scognet * are met: 12129198Scognet * 1. Redistributions of source code must retain the above copyright 13129198Scognet * notice, this list of conditions and the following disclaimer. 14129198Scognet * 2. Redistributions in binary form must reproduce the above copyright 15129198Scognet * notice, this list of conditions and the following disclaimer in the 16129198Scognet * documentation and/or other materials provided with the distribution. 17129198Scognet * 3. All advertising materials mentioning features or use of this software 18129198Scognet * must display the following acknowledgement: 19129198Scognet * This product includes software developed for the NetBSD Project by 20129198Scognet * Wasabi Systems, Inc. 21129198Scognet * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22129198Scognet * or promote products derived from this software without specific prior 23129198Scognet * written permission. 24129198Scognet * 25129198Scognet * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26129198Scognet * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27129198Scognet * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28129198Scognet * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29129198Scognet * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30129198Scognet * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31129198Scognet * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32129198Scognet * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33129198Scognet * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34129198Scognet * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35129198Scognet * POSSIBILITY OF SUCH DAMAGE. 36129198Scognet * 37129198Scognet * $FreeBSD$ 38129198Scognet * 39129198Scognet */ 40129198Scognet 41129198Scognet#ifndef _MACHINE_FIQ_H_ 42129198Scognet#define _MACHINE_FIQ_H_ 43129198Scognet 44129198Scognet#include <sys/queue.h> 45129198Scognet 46129198Scognetstruct fiqregs { 47129198Scognet u_int fr_r8; /* FIQ mode r8 */ 48129198Scognet u_int fr_r9; /* FIQ mode r9 */ 49129198Scognet u_int fr_r10; /* FIQ mode r10 */ 50129198Scognet u_int fr_r11; /* FIQ mode r11 */ 51129198Scognet u_int fr_r12; /* FIQ mode r12 */ 52129198Scognet u_int fr_r13; /* FIQ mode r13 */ 53129198Scognet}; 54129198Scognet 55129198Scognetstruct fiqhandler { 56129198Scognet TAILQ_ENTRY(fiqhandler) fh_list;/* link in the FIQ handler stack */ 57129198Scognet void *fh_func; /* FIQ handler routine */ 58129198Scognet size_t fh_size; /* size of FIQ handler */ 59129198Scognet int fh_flags; /* flags; see below */ 60129198Scognet struct fiqregs *fh_regs; /* pointer to regs structure */ 61129198Scognet}; 62129198Scognet 63129198Scognet#define FH_CANPUSH 0x01 /* can push this handler out of the way */ 64129198Scognet 65129198Scognetint fiq_claim(struct fiqhandler *); 66129198Scognetvoid fiq_release(struct fiqhandler *); 67129198Scognet 68129198Scognetvoid fiq_getregs(struct fiqregs *); 69129198Scognetvoid fiq_setregs(struct fiqregs *); 70129198Scognet 71129198Scognet#endif /* _MACHINE_FIQ_H_ */ 72