1129198Scognet/* $NetBSD: undefined.h,v 1.4 2001/12/20 01:20:23 thorpej Exp $ */ 2129198Scognet 3139735Simp/*- 4129198Scognet * Copyright (c) 1995-1996 Mark Brinicombe. 5129198Scognet * Copyright (c) 1995 Brini. 6129198Scognet * All rights reserved. 7129198Scognet * 8129198Scognet * This code is derived from software written for Brini by Mark Brinicombe 9129198Scognet * 10129198Scognet * Redistribution and use in source and binary forms, with or without 11129198Scognet * modification, are permitted provided that the following conditions 12129198Scognet * are met: 13129198Scognet * 1. Redistributions of source code must retain the above copyright 14129198Scognet * notice, this list of conditions and the following disclaimer. 15129198Scognet * 2. Redistributions in binary form must reproduce the above copyright 16129198Scognet * notice, this list of conditions and the following disclaimer in the 17129198Scognet * documentation and/or other materials provided with the distribution. 18129198Scognet * 3. All advertising materials mentioning features or use of this software 19129198Scognet * must display the following acknowledgement: 20129198Scognet * This product includes software developed by Brini. 21129198Scognet * 4. The name of the company nor the name of the author may be used to 22129198Scognet * endorse or promote products derived from this software without specific 23129198Scognet * prior written permission. 24129198Scognet * 25129198Scognet * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED 26129198Scognet * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 27129198Scognet * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28129198Scognet * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 29129198Scognet * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 30129198Scognet * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 31129198Scognet * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32129198Scognet * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33129198Scognet * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34129198Scognet * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35129198Scognet * SUCH DAMAGE. 36129198Scognet * 37129198Scognet * RiscBSD kernel project 38129198Scognet * 39129198Scognet * undefined.h 40129198Scognet * 41129198Scognet * Undefined instruction types, symbols and prototypes 42129198Scognet * 43129198Scognet * Created : 08/02/95 44129198Scognet * 45129198Scognet * $FreeBSD$ 46129198Scognet */ 47129198Scognet 48129198Scognet 49129198Scognet#ifndef _MACHINE_UNDEFINED_H_ 50129198Scognet#define _MACHINE_UNDEFINED_H_ 51129198Scognet#ifdef _KERNEL 52129198Scognet 53129198Scognet#include <sys/queue.h> 54129198Scognet 55257200Sianstruct trapframe; 56129198Scognet 57257200Siantypedef int (*undef_handler_t) (unsigned int, unsigned int, struct trapframe *, int); 58257200Sian 59129198Scognet#define FP_COPROC 1 60129198Scognet#define FP_COPROC2 2 61129198Scognet#define MAX_COPROCS 16 62129198Scognet 63129198Scognet/* Prototypes for undefined.c */ 64129198Scognet 65167752Skevlovoid *install_coproc_handler (int, undef_handler_t); 66167752Skevlovoid remove_coproc_handler (void *); 67167752Skevlovoid undefined_init (void); 68129198Scognet 69129198Scognet/* 70129198Scognet * XXX Stuff below here is for use before malloc() is available. Most code 71129198Scognet * shouldn't use it. 72129198Scognet */ 73129198Scognet 74129198Scognetstruct undefined_handler { 75129198Scognet LIST_ENTRY(undefined_handler) uh_link; 76129198Scognet undef_handler_t uh_handler; 77129198Scognet}; 78129198Scognet 79129198Scognet/* 80129198Scognet * Handlers installed using install_coproc_handler_static shouldn't be 81129198Scognet * removed. 82129198Scognet */ 83167752Skevlovoid install_coproc_handler_static (int, struct undefined_handler *); 84129198Scognet 85129198Scognet/* Calls up to undefined.c from trap handlers */ 86129198Scognetvoid undefinedinstruction(struct trapframe *); 87129198Scognet 88129198Scognet#endif 89129198Scognet 90129198Scognet/* End of undefined.h */ 91129198Scognet 92129198Scognet#endif /* _MACHINE_UNDEFINED_H_ */ 93