The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/include/undefined.h

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    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  * $FreeBSD$
   48  */
   49 
   50 #ifndef _MACHINE_UNDEFINED_H_
   51 #define _MACHINE_UNDEFINED_H_
   52 #ifdef _KERNEL
   53 
   54 #include <sys/queue.h>
   55 
   56 struct trapframe;
   57 
   58 typedef int (*undef_handler_t) (unsigned int, unsigned int, struct trapframe *, int);
   59 
   60 #define FP_COPROC       1
   61 #define FP_COPROC2      2
   62 #define MAX_COPROCS     16
   63 
   64 /* Prototypes for undefined.c */
   65 
   66 void *install_coproc_handler (int, undef_handler_t);
   67 void remove_coproc_handler (void *);
   68 void undefined_init (void);
   69 
   70 /*
   71  * XXX Stuff below here is for use before malloc() is available.  Most code
   72  * shouldn't use it.
   73  */
   74 
   75 struct undefined_handler {
   76         LIST_ENTRY(undefined_handler) uh_link;
   77         undef_handler_t uh_handler;
   78 };
   79 
   80 /*
   81  * Handlers installed using install_coproc_handler_static shouldn't be
   82  * removed.
   83  */
   84 void install_coproc_handler_static (int, struct undefined_handler *);
   85 
   86 /* Calls up to undefined.c from trap handlers */
   87 void undefinedinstruction(struct trapframe *);
   88 
   89 #endif
   90 
   91 /* End of undefined.h */
   92 
   93 #endif /* _MACHINE_UNDEFINED_H_ */

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