c8bb6ba9a9
preprocessor hackery. If supporting Thumb add an 18th undefined handler for undefined instruction traps taken in Thumb state. Kill MAX_COPROCS and use NUM_UNKNOWN_HANDLERS instead. Add support for breakpoints set in Thumb code and hand them off to GDB as required.
106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
/* $NetBSD: undefined.h,v 1.9 2004/08/21 12:03:16 rearnsha Exp $ */
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/*
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* Copyright (c) 1995-1996 Mark Brinicombe.
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* Copyright (c) 1995 Brini.
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* All rights reserved.
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*
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* This code is derived from software written for Brini by Mark Brinicombe
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* RiscBSD kernel project
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*
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* undefined.h
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*
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* Undefined instruction types, symbols and prototypes
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*
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* Created : 08/02/95
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*/
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#ifndef _ARM_UNDEFINED_H_
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#define _ARM_UNDEFINED_H_
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#ifdef _KERNEL
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#include <sys/queue.h>
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typedef int (*undef_handler_t) __P((unsigned int, unsigned int, trapframe_t *, int));
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/*
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* Enumeration of coprocessor numbers. Values may be duplicated
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* (the iWMMX coprocessor clashes with the FPA, for example), but
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* keep this table in numeric order.
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*/
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enum arm_coprocs {
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FPA_COPROC = 1,
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FPA_COPROC2 = 2,
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DEBUG_COPROC = 14,
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SYSTEM_COPROC = 15,
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/*
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*The following are not really co-processors, but are on the end
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* of the unknown instruction table for each coproc.
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*/
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CORE_UNKNOWN_HANDLER = 16,
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#ifdef THUMB_CODE
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THUMB_UNKNOWN_HANDLER = 17,
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#endif
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NUM_UNKNOWN_HANDLERS /* Last entry */
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};
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/* Prototypes for undefined.c */
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void *install_coproc_handler __P((int, undef_handler_t));
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void remove_coproc_handler __P((void *));
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void undefined_init __P((void));
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/*
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* XXX Stuff below here is for use before malloc() is available. Most code
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* shouldn't use it.
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*/
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struct undefined_handler {
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LIST_ENTRY(undefined_handler) uh_link;
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undef_handler_t uh_handler;
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};
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/*
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* Handlers installed using install_coproc_handler_static shouldn't be
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* removed.
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*/
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void install_coproc_handler_static __P((int, struct undefined_handler *));
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/* Calls up to undefined.c from trap handlers */
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void undefinedinstruction(struct trapframe *);
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#endif
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/* End of undefined.h */
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#endif /* _ARM_UNDEFINED_H_ */
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