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 55 typedef int (*undef_handler_t) __P((unsigned int, unsigned int, trapframe_t *, int)); 56 57 #define FP_COPROC 1 58 #define FP_COPROC2 2 59 #define MAX_COPROCS 16 60 61 /* Prototypes for undefined.c */ 62 63 void *install_coproc_handler __P((int, undef_handler_t)); 64 void remove_coproc_handler __P((void *)); 65 void undefined_init __P((void)); 66 67 /* 68 * XXX Stuff below here is for use before malloc() is available. Most code 69 * shouldn't use it. 70 */ 71 72 struct undefined_handler { 73 LIST_ENTRY(undefined_handler) uh_link; 74 undef_handler_t uh_handler; 75 }; 76 77 /* 78 * Handlers installed using install_coproc_handler_static shouldn't be 79 * removed. 80 */ 81 void install_coproc_handler_static __P((int, struct undefined_handler *)); 82 83 /* Calls up to undefined.c from trap handlers */ 84 void undefinedinstruction(struct trapframe *); 85 86 #endif 87 88 /* End of undefined.h */ 89 90 #endif /* _MACHINE_UNDEFINED_H_ */ 91