1 /* $NetBSD: undefined.h,v 1.12 2009/03/14 14:45:55 dsl 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 53 typedef int (*undef_handler_t)(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 */ 60 enum arm_coprocs { 61 FPA_COPROC = 1, 62 FPA_COPROC2 = 2, 63 VFP_COPROC = 10, 64 VFP_COPROC2 = 11, 65 DEBUG_COPROC = 14, 66 SYSTEM_COPROC = 15, 67 /* 68 *The following are not really co-processors, but are on the end 69 * of the unknown instruction table for each coproc. 70 */ 71 CORE_UNKNOWN_HANDLER = 16, 72 #ifdef THUMB_CODE 73 THUMB_UNKNOWN_HANDLER = 17, 74 #endif 75 NUM_UNKNOWN_HANDLERS /* Last entry */ 76 }; 77 78 /* Prototypes for undefined.c */ 79 80 void *install_coproc_handler(int, undef_handler_t); 81 void remove_coproc_handler(void *); 82 void undefined_init(void); 83 84 /* 85 * XXX Stuff below here is for use before malloc() is available. Most code 86 * shouldn't use it. 87 */ 88 89 struct undefined_handler { 90 LIST_ENTRY(undefined_handler) uh_link; 91 undef_handler_t uh_handler; 92 }; 93 94 /* 95 * Handlers installed using install_coproc_handler_static shouldn't be 96 * removed. 97 */ 98 void install_coproc_handler_static(int, struct undefined_handler *); 99 100 /* Calls up to undefined.c from trap handlers */ 101 void undefinedinstruction(struct trapframe *); 102 103 #endif 104 105 /* End of undefined.h */ 106 107 #endif /* _ARM_UNDEFINED_H_ */ 108