120 lines
4.1 KiB
C
120 lines
4.1 KiB
C
/* $NetBSD: cpu.h,v 1.15 1996/03/11 20:56:48 phil Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1990 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* William Jolitz.
|
|
*
|
|
* 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 the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. 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.
|
|
*
|
|
* @(#)cpu.h 5.4 (Berkeley) 5/9/91
|
|
*/
|
|
|
|
#ifndef _NS532_CPU_H_
|
|
#define _NS532_CPU_H_
|
|
|
|
/*
|
|
* Definitions unique to ns532 cpu support.
|
|
*
|
|
* modified from 386 code for the pc532 by Phil Nelson (12/92)
|
|
*/
|
|
|
|
#include <machine/psl.h>
|
|
#include <machine/frame.h>
|
|
|
|
/*
|
|
* definitions of cpu-dependent requirements
|
|
* referenced in generic code
|
|
*/
|
|
#define cpu_swapin(p) /* nothing */
|
|
#define cpu_wait(p) /* nothing */
|
|
|
|
/* XXX needed? PAN
|
|
* function vs. inline configuration;
|
|
* these are defined to get generic functions
|
|
* rather than inline or machine-dependent implementations
|
|
*/
|
|
#define NEED_MINMAX /* need {,i,l,ul}{min,max} functions */
|
|
#define NEED_FFS /* need ffs function */
|
|
#define NEED_BCMP /* need bcmp function */
|
|
#define NEED_STRLEN /* need strlen function */
|
|
|
|
/*
|
|
* Arguments to hardclock, softclock and gatherstats
|
|
* encapsulate the previous machine state in an opaque
|
|
* clockframe; for now, use generic intrframe.
|
|
*/
|
|
|
|
#define clockframe intrframe
|
|
|
|
#define CLKF_USERMODE(framep) USERMODE((framep)->if_psr)
|
|
#define CLKF_BASEPRI(framep) ((framep)->if_pl == imask[IPL_ZERO])
|
|
#define CLKF_PC(framep) ((framep)->if_pc)
|
|
#define CLKF_INTR(frame) (0) /* XXX should have an interrupt stack */
|
|
|
|
/*
|
|
* Preempt the current process if in interrupt from user mode,
|
|
* or after the current trap/syscall if in system mode.
|
|
*/
|
|
int want_resched; /* resched() was called */
|
|
#define need_resched() (want_resched = 1, setsoftast())
|
|
|
|
/*
|
|
* Give a profiling tick to the current process from the softclock
|
|
* interrupt. On the pc532, 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, setsoftast())
|
|
|
|
/*
|
|
* Notify the current process (p) that it has a signal pending,
|
|
* process as soon as possible.
|
|
*/
|
|
#define signotify(p) setsoftast()
|
|
|
|
/*
|
|
* We need a machine-independent name for this.
|
|
*/
|
|
#define DELAY(n) delay(n)
|
|
|
|
/*
|
|
* CTL_MACHDEP definitions.
|
|
*/
|
|
#define CPU_CONSDEV 1 /* dev_t: console terminal device */
|
|
#define CPU_MAXID 2 /* number of valid machdep ids */
|
|
|
|
#define CTL_MACHDEP_NAMES { \
|
|
{ 0, 0 }, \
|
|
{ "console_device", CTLTYPE_STRUCT }, \
|
|
}
|
|
|
|
#endif /* !_NS532_CPU_H_ */
|