Annotation of sys/arch/mvme88k/include/cpu.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: cpu.h,v 1.37 2007/05/14 17:00:40 miod Exp $ */
! 2: /*
! 3: * Copyright (c) 1996 Nivas Madhur
! 4: * Copyright (c) 1992, 1993
! 5: * The Regents of the University of California. All rights reserved.
! 6: *
! 7: * This software was developed by the Computer Systems Engineering group
! 8: * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
! 9: * contributed to Berkeley.
! 10: *
! 11: * All advertising materials mentioning features or use of this software
! 12: * must display the following acknowledgement:
! 13: * This product includes software developed by the University of
! 14: * California, Lawrence Berkeley Laboratory.
! 15: *
! 16: * Redistribution and use in source and binary forms, with or without
! 17: * modification, are permitted provided that the following conditions
! 18: * are met:
! 19: * 1. Redistributions of source code must retain the above copyright
! 20: * notice, this list of conditions and the following disclaimer.
! 21: * 2. Redistributions in binary form must reproduce the above copyright
! 22: * notice, this list of conditions and the following disclaimer in the
! 23: * documentation and/or other materials provided with the distribution.
! 24: * 3. Neither the name of the University nor the names of its contributors
! 25: * may be used to endorse or promote products derived from this software
! 26: * without specific prior written permission.
! 27: *
! 28: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 29: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 30: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 31: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 32: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 33: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 34: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 35: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 36: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 37: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 38: * SUCH DAMAGE.
! 39: */
! 40: #ifndef _MVME88K_CPU_H_
! 41: #define _MVME88K_CPU_H_
! 42:
! 43: #include <sys/evcount.h>
! 44: #include <m88k/cpu.h>
! 45:
! 46: #ifdef _KERNEL
! 47:
! 48: /* board dependent pointers */
! 49: extern void (*md_interrupt_func_ptr)(u_int, struct trapframe *);
! 50: #define md_interrupt_func (*md_interrupt_func_ptr)
! 51: extern u_int (*md_getipl)(void);
! 52: extern u_int (*md_setipl)(u_int);
! 53: extern u_int (*md_raiseipl)(u_int);
! 54: extern void (*md_init_clocks)(void);
! 55: extern void (*md_send_ipi)(int, cpuid_t);
! 56:
! 57: struct intrhand {
! 58: SLIST_ENTRY(intrhand) ih_link;
! 59: int (*ih_fn)(void *);
! 60: void *ih_arg;
! 61: int ih_ipl;
! 62: int ih_wantframe;
! 63: struct evcount ih_count;
! 64: };
! 65:
! 66: int intr_establish(int, struct intrhand *, const char *);
! 67: int intr_findvec(int, int, int);
! 68:
! 69: /*
! 70: * There are 256 possible vectors on a mvme88k platform (including
! 71: * onboard and VME vectors. Use intr_establish() to register a
! 72: * handler for the given vector. vector number is used to index
! 73: * into the intr_handlers[] table.
! 74: */
! 75: #define NVMEINTR 256
! 76: typedef SLIST_HEAD(, intrhand) intrhand_t;
! 77: extern intrhand_t intr_handlers[NVMEINTR];
! 78:
! 79: #ifdef MVME188
! 80: /*
! 81: * Currently registered VME interrupt vectors for a given IPL, if they
! 82: * are unique. Used to help the MVME188 interrupt handler when it's getting
! 83: * behind.
! 84: */
! 85: extern u_int vmevec_hints[8];
! 86: #endif
! 87:
! 88: void doboot(void);
! 89: void nmihand(void *);
! 90:
! 91: #endif /* _KERNEL */
! 92:
! 93: #endif
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