8067595564
in arch/shark. (NOTE: arch/dnard, a premature move to split out the Shark support code, is going to be deleted. It has bit-rotted.)
133 lines
4.0 KiB
C
133 lines
4.0 KiB
C
/* $NetBSD: kerndebug.h,v 1.1 2002/02/10 01:57:26 thorpej Exp $ */
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/*
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* Copyright 1997
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* Digital Equipment Corporation. All rights reserved.
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*
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* This software is furnished under license and may be used and
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* copied only in accordance with the following terms and conditions.
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* Subject to these conditions, you may download, copy, install,
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* use, modify and distribute this software in source and/or binary
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* form. No title or ownership is transferred hereby.
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*
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* 1) Any source code used, modified or distributed must reproduce
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* and retain this copyright notice and list of conditions as
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* they appear in the source file.
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*
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* 2) No right is granted to use any trade name, trademark, or logo of
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* Digital Equipment Corporation. Neither the "Digital Equipment
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* Corporation" name nor any trademark or logo of Digital Equipment
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* Corporation may be used to endorse or promote products derived
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* from this software without the prior written permission of
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* Digital Equipment Corporation.
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*
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* 3) This software is provided "AS-IS" and any express or implied
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* warranties, including but not limited to, any implied warranties
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* of merchantability, fitness for a particular purpose, or
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* non-infringement are disclaimed. In no event shall DIGITAL be
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* liable for any damages whatsoever, and in particular, DIGITAL
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* shall not be liable for special, indirect, consequential, or
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* incidental damages or damages for lost profits, loss of
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* revenue or loss of use, whether such damages arise in contract,
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* negligence, tort, under statute, in equity, at law or otherwise,
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* even if advised of the possibility of such damage.
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*/
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/*
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**++
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** FACILITY:
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**
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** kerndebug.h
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**
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**
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** ABSTRACT:
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**
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** This header provides generic debugging capabilities using printf.
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** All debugging can be compiled out by not defining the
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** KERNEL_DEBUG macro. In addition the amount of debug output is
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** defined by individual variables controlled by each subsystem
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** using this utility. Finally note that the two middle bytes of
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** the kern debug flags (bits 16 to 23) are free for individual
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** subsystems to use as they please (eg. define switches for
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** individual functions etc).
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**
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** AUTHORS:
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**
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** John Court
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**
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** CREATION DATE: 2-Feb-1992
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**
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** MODIFICATION HISTORY:
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**
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**--
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*/
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#ifndef _KERNDEBUG_H_
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#define _KERNDEBUG_H_
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#define KERN_DEBUG_INFO 0x00000001
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#define KERN_DEBUG_WARNING 0x00000002
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#define KERN_DEBUG_ERROR 0x00000010
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#define KERN_DEBUG_SMP 0x00000020
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#define KERN_DEBUG_PANIC 0x40000000
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#define KERN_REAL_PANIC 0x80000000
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#define KERN_DEBUG_ALL KERN_DEBUG_INFO | KERN_DEBUG_WARNING | \
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KERN_DEBUG_ERROR | KERN_DEBUG_PANIC
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/*
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** Define the type for debugging flag subsystem variables
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*/
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typedef unsigned int Kern_Debug_Flags;
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/*
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** Set up source line location macro for extra debugging and panics
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*/
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#ifdef __FILE__
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#define KERN_DEBUG_LOC ":%s:%d:=\n\t",__FILE__,__LINE__
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#else
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#define KERN_DEBUG_LOC ":__FILE__ not supported :=\n\t"
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#endif
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/*
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** This is real nasty in that it requires several printf's but is
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** unavoidable due to the differences between
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** preprocessors supporting standard ANSI C and others.
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**
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** NOTE: The format of calls to this macro must be
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**
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** KERN_DEBUG((Kern_Debug_Flags)CntrlVar, KERN_DEBUG_xxxx,
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** (normal printf arguments));
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**
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** pay special attention to the extra set of () around the
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** final arguement.
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**
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*/
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#ifdef KERNEL_DEBUG
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#define KERN_DEBUG(CntrlVar,Level,Output) \
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{ \
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if ( (CntrlVar) & (Level) ) \
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{ \
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if ( (CntrlVar) & (Level) & KERN_DEBUG_PANIC ) \
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{ \
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printf ("KERNEL:DEBUG PANIC"); \
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printf (KERN_DEBUG_LOC); \
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printf Output; \
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panic("KERN_DEBUG Panicing"); \
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} \
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else \
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{ \
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printf Output; \
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} \
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} \
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}
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#else /* else KERNEL_DEBUG not defined */
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#define KERN_DEBUG(CntrlVar,Level,Output)
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#endif /* end else KERNEL_DEBUG not defined */
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#endif /* _KERNDEBUG_H_ */
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