NetBSD/sys/arch/alpha/include/cpuconf.h

108 lines
3.9 KiB
C

/* $NetBSD: cpuconf.h,v 1.12 2000/06/08 03:10:06 thorpej Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Additional reworking by Matthew Jacob for NASA/Ames Research Center.
* Copyright (c) 1997
*/
#ifndef _ALPHA_CPUCONF_H_
#define _ALPHA_CPUCONF_H_
/*
* Platform Specific Information and Function Hooks.
*
* The tags family and model information are strings describing the platform.
*
* The tag iobus describes the primary iobus for the platform- primarily
* to give a hint as to where to start configuring. The likely choices
* are one of tcasic, lca, apecs, cia, or tlsb.
*/
struct clockframe;
struct platform {
/*
* Platform Information.
*/
const char *family; /* Family Name */
const char *model; /* Model (variant) Name */
const char *iobus; /* Primary iobus name */
/*
* Platform Specific Function Hooks
* cons_init - console initialization
* device_register - boot configuration aid
* iointr - I/O interrupt handler
* clockintr - Clock Interrupt Handler
* mcheck_handler - Platform Specific Machine Check Handler
*/
void (*cons_init)(void);
void (*device_register)(struct device *, void *);
void (*iointr)(void *, unsigned long);
void (*clockintr)(struct clockframe *);
void (*mcheck_handler)(unsigned long, struct trapframe *,
unsigned long, unsigned long);
void (*powerdown)(void);
};
/*
* There is an array of functions to initialize the platform structure.
*
* It's responsible for filling in the family, model_name and iobus
* tags. It may optionally fill in the cons_init, device_register and
* mcheck_handler tags.
*
* The iointr tag is filled in by set_iointr (in interrupt.c).
* The clockintr tag is filled in by cpu_initclocks (in clock.c).
*
* nocpu is function to call when you can't figure what platform you're on.
* There's no return from this function.
*/
struct cpuinit {
void (*init)(void);
u_int64_t systype;
const char *option;
};
#ifdef _KERNEL
#define cpu_notsupp(st, str) { platform_not_supported, st, str }
#define cpu_init(st, fn, opt) { fn, st, opt }
extern struct platform platform;
extern const struct cpuinit *platform_lookup(int);
extern void platform_not_configured(void);
extern void platform_not_supported(void);
#endif /* _KERNEL */
#endif /* ! _ALPHA_CPUCONF_H_ */