98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/* $NetBSD: cpu.h,v 1.4 1994/11/25 19:08:50 ragge Exp $ */
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/*
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* Copyright (c) 1994 Ludd, University of Lule}, Sweden
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of Lule}
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* All bugs are subject to removal without further notice */
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#include "cdefs.h"
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#include "vax/include/mtpr.h"
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#define enablertclock()
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struct cpu_dep {
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int (*cpu_loinit)();
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int (*cpu_clock)();
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int (*cpu_mem)();
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int (*cpu_config)();
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};
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struct clockframe {
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int pc;
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int ps;
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};
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struct cpuops {
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int *nisse;
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int (*cpu_memenable)();
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int (*cpu_memerr)();
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int (*cpu_mchk)();
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int (*cpu_init)();
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};
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struct percpu {
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int pc_cputype;
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int pc_cpuspeed;
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int pc_nioa;
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struct iobus *pc_io;
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struct cpuops *pc_ops;
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};
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struct clockops {
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int (*p1)();
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int (*p2)();
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int (*p3)();
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};
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#define todr() mfpr(PR_TODR)
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#define setsoftnet() mtpr(12,PR_SIRR)
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#define setsoftclock() mtpr(8,PR_SIRR)
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/*
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* Preempt the current process if in interrupt from user mode,
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* or after the current trap/syscall if in system mode.
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*/
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#define need_resched(){ \
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want_resched++; \
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mtpr(AST_OK,PR_ASTLVL); \
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}
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/*
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* Notify the current process (p) that it has a signal pending,
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* process as soon as possible.
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*/
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#define signotify(p) mtpr(AST_OK,PR_ASTLVL);
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extern int want_resched; /* resched() was called */
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