92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/* $NetBSD: pcb.h,v 1.9 1998/03/18 21:59:39 matthias 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.
|
|
*
|
|
* @(#)pcb.h 5.10 (Berkeley) 5/12/91
|
|
*/
|
|
|
|
#ifndef _MACHINE_PCB_H_
|
|
#define _MACHINE_PCB_H_
|
|
|
|
#if defined(_KERNEL) && !defined(_LKM)
|
|
#include "opt_pmap_new.h"
|
|
#endif
|
|
|
|
/*
|
|
* PC 532 process control block
|
|
*
|
|
* Phil Nelson, 12/8/92
|
|
*
|
|
*/
|
|
|
|
struct pcb {
|
|
/* Put in a pointer to the trap/interrupt frame. */
|
|
struct reg *pcb_onstack;
|
|
|
|
/* Floating point stuff */
|
|
long pcb_fsr; /* fpu status reg */
|
|
double pcb_freg[8]; /* F0 - F7 */
|
|
|
|
/* Saved during a "swtch" */
|
|
|
|
long pcb_ksp; /* Kernel stack -- sp0. */
|
|
long pcb_kfp; /* Kernel fp. */
|
|
long pcb_ptb; /* ptb0, ptb1 */
|
|
|
|
/*
|
|
* Software pcb (extension)
|
|
*/
|
|
caddr_t pcb_onfault; /* copyin/out fault recovery */
|
|
#if defined(PMAP_NEW)
|
|
struct pmap *pcb_pmap; /* back pointer to our pmap */
|
|
#endif
|
|
};
|
|
|
|
/*
|
|
* The pcb is augmented with machine-dependent additional data for
|
|
* core dumps. For the pc532, there is nothing to add.
|
|
*/
|
|
struct md_coredump {
|
|
long md_pad[8];
|
|
};
|
|
|
|
|
|
#ifdef _KERNEL
|
|
struct pcb *curpcb; /* our current running pcb */
|
|
#endif
|
|
|
|
#endif
|