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/* $NetBSD: cpu.h,v 1.13 1995/12/13 18:57:57 ragge Exp $ */
/*
* Copyright (c) 1994 Ludd, University of Lule}, Sweden
* 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 at Ludd, University of Lule}
* 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.
*/
/* All bugs are subject to removal without further notice */
#include "sys/cdefs.h"
#include "machine/mtpr.h"
#include "machine/pcb.h"
#define enablertclock()
#define cpu_wait(p)
#define cpu_swapout(p)
extern int cpunumber, cpu_type;
extern struct cpu_dep cpu_calls[];
struct cpu_dep {
int (*cpu_steal_pages)(); /* Pmap init before mm is on */
int (*cpu_clock)(); /* CPU dependent clock handling */
int (*cpu_mchk)(); /* Machine check handling */
int (*cpu_memerr)(); /* Memory subsystem errors */
int (*cpu_conf)(); /* Autoconfiguration */
/* int (*cpu_cmrerr)(); /* Memory parity errors */
};
struct clockframe {
int pc;
int ps;
};
#define setsoftnet() mtpr(12,PR_SIRR)
#define setsoftclock() mtpr(8,PR_SIRR)
/*
* Preempt the current process if in interrupt from user mode,
* or after the current trap/syscall if in system mode.
*/
#define need_resched(){ \
want_resched++; \
mtpr(AST_OK,PR_ASTLVL); \
}
/*
* Notify the current process (p) that it has a signal pending,
* process as soon as possible.
*/
#define signotify(p) mtpr(AST_OK,PR_ASTLVL);
extern int want_resched; /* resched() was called */
/*
* Give a profiling tick to the current process when the user profiling
* buffer pages are invalid. On the hp300, request an ast to send us
* through trap, marking the proc as needing a profiling tick.
*/
#define need_proftick(p) {(p)->p_flag |= P_OWEUPC; mtpr(AST_OK,PR_ASTLVL); }
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