1/* $NetBSD: undefined.h,v 1.4 2001/12/20 01:20:23 thorpej Exp $ */ 2 3/*- 4 * Copyright (c) 1995-1996 Mark Brinicombe. 5 * Copyright (c) 1995 Brini. 6 * All rights reserved. 7 * 8 * This code is derived from software written for Brini by Mark Brinicombe 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by Brini. 21 * 4. The name of the company nor the name of the author may be used to 22 * endorse or promote products derived from this software without specific 23 * prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED 26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * RiscBSD kernel project 38 * 39 * undefined.h 40 * 41 * Undefined instruction types, symbols and prototypes 42 * 43 * Created : 08/02/95 44 * 45 * $FreeBSD$ 46 */ 47 48 49#ifndef _MACHINE_UNDEFINED_H_ 50#define _MACHINE_UNDEFINED_H_ 51#ifdef _KERNEL 52 53#include <sys/queue.h> 54 55struct trapframe; 56 57typedef int (*undef_handler_t) (unsigned int, unsigned int, struct trapframe *, int); 58 59#define FP_COPROC 1 60#define FP_COPROC2 2 61#define MAX_COPROCS 16 62 63/* Prototypes for undefined.c */ 64 65void *install_coproc_handler (int, undef_handler_t); 66void remove_coproc_handler (void *); 67void undefined_init (void); 68 69/* 70 * XXX Stuff below here is for use before malloc() is available. Most code 71 * shouldn't use it. 72 */ 73 74struct undefined_handler { 75 LIST_ENTRY(undefined_handler) uh_link; 76 undef_handler_t uh_handler; 77}; 78 79/* 80 * Handlers installed using install_coproc_handler_static shouldn't be 81 * removed. 82 */ 83void install_coproc_handler_static (int, struct undefined_handler *); 84 85/* Calls up to undefined.c from trap handlers */ 86void undefinedinstruction(struct trapframe *); 87 88#endif 89 90/* End of undefined.h */ 91 92#endif /* _MACHINE_UNDEFINED_H_ */ 93