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/* $OpenBSD: cpu.h,v 1.44 2009/03/15 20:39:53 miod Exp $ */
/*
* Copyright (c) 1996 Nivas Madhur
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*/
#ifndef _MVME88K_CPU_H_
#define _MVME88K_CPU_H_
#include <m88k/cpu.h>
#ifdef _KERNEL
#include <sys/evcount.h>
/* board dependent pointers */
extern void (*md_interrupt_func_ptr)(struct trapframe *);
#define md_interrupt_func (*md_interrupt_func_ptr)
extern int (*md_nmi_func_ptr)(struct trapframe *);
#define md_nmi_func (*md_nmi_func_ptr)
extern void (*md_nmi_wrapup_func_ptr)(struct trapframe *);
#define md_nmi_wrapup_func (*md_nmi_wrapup_func_ptr)
extern u_int (*md_getipl)(void);
extern u_int (*md_setipl)(u_int);
extern u_int (*md_raiseipl)(u_int);
extern void (*md_init_clocks)(void);
extern void (*md_send_ipi)(int, cpuid_t);
extern void (*md_delay)(int);
extern void (*md_smp_setup)(struct cpu_info *);
struct intrhand {
SLIST_ENTRY(intrhand) ih_link;
int (*ih_fn)(void *);
void *ih_arg;
int ih_ipl;
int ih_wantframe;
struct evcount ih_count;
};
int intr_establish(int, struct intrhand *, const char *);
int intr_findvec(int, int, int);
/*
* There are 256 possible vectors on a mvme88k platform (including
* onboard and VME vectors. Use intr_establish() to register a
* handler for the given vector. vector number is used to index
* into the intr_handlers[] table.
*/
#define NVMEINTR 256
typedef SLIST_HEAD(, intrhand) intrhand_t;
extern intrhand_t intr_handlers[NVMEINTR];
#ifdef MVME188
/*
* Currently registered VME interrupt vectors for a given IPL, if they
* are unique. Used to help the MVME188 interrupt handler when it's getting
* behind.
*/
extern u_int vmevec_hints[8];
#endif
void doboot(void);
void nmihand(void *);
#endif /* _KERNEL */
#endif
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