undefined.h revision 1.10
1/* $NetBSD: undefined.h,v 1.10 2005/12/11 12:16:47 christos 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 46 47#ifndef _ARM_UNDEFINED_H_ 48#define _ARM_UNDEFINED_H_ 49#ifdef _KERNEL 50 51#include <sys/queue.h> 52 53typedef int (*undef_handler_t) __P((unsigned int, unsigned int, trapframe_t *, int)); 54 55/* 56 * Enumeration of coprocessor numbers. Values may be duplicated 57 * (the iWMMX coprocessor clashes with the FPA, for example), but 58 * keep this table in numeric order. 59 */ 60enum arm_coprocs { 61 FPA_COPROC = 1, 62 FPA_COPROC2 = 2, 63 DEBUG_COPROC = 14, 64 SYSTEM_COPROC = 15, 65 /* 66 *The following are not really co-processors, but are on the end 67 * of the unknown instruction table for each coproc. 68 */ 69 CORE_UNKNOWN_HANDLER = 16, 70#ifdef THUMB_CODE 71 THUMB_UNKNOWN_HANDLER = 17, 72#endif 73 NUM_UNKNOWN_HANDLERS /* Last entry */ 74}; 75 76/* Prototypes for undefined.c */ 77 78void *install_coproc_handler __P((int, undef_handler_t)); 79void remove_coproc_handler __P((void *)); 80void undefined_init __P((void)); 81 82/* 83 * XXX Stuff below here is for use before malloc() is available. Most code 84 * shouldn't use it. 85 */ 86 87struct undefined_handler { 88 LIST_ENTRY(undefined_handler) uh_link; 89 undef_handler_t uh_handler; 90}; 91 92/* 93 * Handlers installed using install_coproc_handler_static shouldn't be 94 * removed. 95 */ 96void install_coproc_handler_static __P((int, struct undefined_handler *)); 97 98/* Calls up to undefined.c from trap handlers */ 99void undefinedinstruction(struct trapframe *); 100 101#endif 102 103/* End of undefined.h */ 104 105#endif /* _ARM_UNDEFINED_H_ */ 106