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