/*
* 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.
*
* 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 */
#ifndef _VAX_PCB_H_
#define _VAX_PCB_H_
#include <machine/trap.h>
struct pcb {
/* Hardware registers, based on VAX special instructions */
long KSP; /* Kernel Stack Pointer */
long ESP; /* Executive Stack Pointer */
long SSP; /* Supervisor Stack Pointer */
long USP; /* User Stack Pointer */
long R[12]; /* Register 0-11 */
long AP; /* Argument Pointer */
long FP; /* Frame Pointer */
long PC; /* Program Counter */
long PSL; /* Program Status Longword */
struct pte *P0BR; /* Page 0 Base Register */
long P0LR; /* Page 0 Length Register */
struct pte *P1BR; /* Page 1 Base Register */
long P1LR; /* Page 1 Length Register */
long ASN; /* Address space number */
/* Software registers, only used by kernel software */
void *pcb_onfault; /* Tells whether fault copy */
paddr_t pcb_paddr; /* physical address of PCB */
struct pmap *pcb_pm; /* owning pmap */
struct pcb *pcb_pmnext; /* next pcb that shares this pmap */
};
