86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
/* $NetBSD: pcb.h,v 1.10 1999/06/17 00:22:41 thorpej Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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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 by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)pcb.h 5.10 (Berkeley) 5/12/91
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*/
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#ifndef _MACHINE_PCB_H_
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#define _MACHINE_PCB_H_
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/*
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* PC 532 process control block
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*
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* Phil Nelson, 12/8/92
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*
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*/
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struct pcb {
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/* Put in a pointer to the trap/interrupt frame. */
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struct reg *pcb_onstack;
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/* Floating point stuff */
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long pcb_fsr; /* fpu status reg */
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double pcb_freg[8]; /* F0 - F7 */
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/* Saved during a "swtch" */
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long pcb_ksp; /* Kernel stack -- sp0. */
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long pcb_kfp; /* Kernel fp. */
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long pcb_ptb; /* ptb0, ptb1 */
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/*
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* Software pcb (extension)
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*/
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caddr_t pcb_onfault; /* copyin/out fault recovery */
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struct pmap *pcb_pmap; /* back pointer to our pmap */
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};
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/*
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* The pcb is augmented with machine-dependent additional data for
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* core dumps. For the pc532, there is nothing to add.
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*/
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struct md_coredump {
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long md_pad[8];
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};
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#ifdef _KERNEL
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struct pcb *curpcb; /* our current running pcb */
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#endif
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#endif
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