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cpuconf.h revision 1.6 
      1 /*	$NetBSD: cpuconf.h,v 1.6 1997/09/23 23:17:50 mjacob Exp $	*/
      2 #ifndef	_ALPHA_CPUCONF_H
      3 #define	_ALPHA_CPUCONF_H
      4 /*
      5  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Christopher G. Demetriou
     18  *	for the NetBSD Project.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 /*
     34  * Additional reworking by Matthew Jacob for NASA/Ames Research Center.
     35  * Copyright (c) 1997
     36  */
     37 #ifdef _KERNEL
     38 /*
     39  * Platform Specific Information and Function Hooks.
     40  *
     41  * The tags family and model information are strings describing the platform.
     42  *
     43  * The tag iobus describes the primary iobus for the platform- primarily
     44  * to give a hint as to where to start configuring. The likely choices
     45  * are one of tcasic, lca, apecs, cia, or tlsb.
     46  *
     47  */
     48 
     49 extern struct platform {
     50 	/*
     51 	 * Platform Information.
     52 	 */
     53 	const char	*family;	/* Family Name */
     54 	const char	*model;		/* Model (variant) Name */
     55 	const char	*iobus;		/* Primary iobus name */
     56 
     57 	/*
     58 	 * Platform Specific Function Hooks
     59 	 *	cons_init 	-	console initialization
     60 	 *	device_register	-	boot configuration aid
     61 	 *	iointr		-	I/O interrupt handler
     62 	 *	clockintr	-	Clock Interrupt Handler
     63 	 *	mcheck_handler	-	Platform Specific Machine Check Handler
     64 	 */
     65 	void	(*cons_init) __P((void));
     66 	void	(*device_register) __P((struct device *, void *));
     67 	void	(*iointr) __P((void *, unsigned long));
     68 	void	(*clockintr) __P((void *));
     69 	void	(*mcheck_handler) __P((unsigned long, struct trapframe *,
     70 		unsigned long, unsigned long));
     71 } platform;
     72 
     73 /*
     74  * There is an array of functions to initialize the platform structure.
     75  *
     76  * It's responsible for filling in the family, model_name and iobus
     77  * tags. It may optionally fill in the cons_init, device_register and
     78  * mcheck_handler tags.
     79  *
     80  * The iointr tag is filled in by set_iointr (in interrupt.c).
     81  * The clockintr tag is filled in by cpu_initclocks (in clock.c).
     82  *
     83  * nocpu is function to call when you can't figure what platform you're on.
     84  * There's no return from this function.
     85  */
     86 
     87 extern void (*cpuinit[]) __P((void));
     88 extern int ncpuinit;
     89 extern void nocpu __P((void));
     90 
     91 #define	unknown_cpu(x)	(!((x) >= 0 && (x) < (int) ncpuinit))
     92 
     93 #endif /* _KERNEL */
     94 #endif /* !_ALPHA_CPUCONF_H */
     95