59 lines
2.4 KiB
C
59 lines
2.4 KiB
C
/* $NetBSD: trap.h,v 1.3 1997/10/14 09:20:35 mark Exp $ */
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/*
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* Copyright (c) 1995 Mark Brinicombe.
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* All rights reserved.
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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 Mark Brinicombe.
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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 THE AUTHOR ``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 THE AUTHOR 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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* trap.h
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*
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* Various trap definitions
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*/
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/*
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* Instructions used for breakpoints.
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*
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* These are an undefined instructions.
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* Technically the userspace breakpoint could be a SWI
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* but we want to keep this the same as IPKDB which
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* needs an undefined instruction as a break point.
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* Ideally ARM would define several standard instruction
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* sequences for use as breakpoints.
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*/
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#define GDB_BREAKPOINT 0xe6000011 /* Used by GDB */
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#define IPKDB_BREAKPOINT 0xe6000010 /* Used by IPKDB */
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#define KERNEL_BREAKPOINT 0xe7ffffff /* Used by DDB */
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#define USER_BREAKPOINT GDB_BREAKPOINT
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/* End of trap.h */
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