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pcb.h revision 1.9 
      1 /*	$NetBSD: pcb.h,v 1.9 1996/01/28 12:27:19 ragge Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 Ludd, University of Lule}, Sweden.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *     This product includes software developed at Ludd, University of Lule}.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33  /* All bugs are subject to removal without further notice */
     34 
     35 #ifndef _VAX_PCB_H_
     36 #define _VAX_PCB_H_
     37 
     38 #include "machine/trap.h"
     39 
     40 struct pcb {
     41 
     42   	/* Hardware registers, based on VAX special instructions */
     43 
     44 	long	KSP;		/*  Kernel Stack Pointer      */
     45 	long	ESP;		/*  Executive Stack Pointer   */
     46 	long	SSP;		/*  Supervisor Stack Pointer  */
     47 	long	USP;		/*  User Stack Pointer        */
     48 	long	R[12];		/*  Register 0-11             */
     49 	long	AP;		/*  Argument Pointer          */
     50 	long	FP;		/*  Frame Pointer             */
     51 	long	PC;		/*  Program Counter           */
     52 	long	PSL;		/*  Program Status Longword   */
     53 	struct	pte *P0BR;	/*  Page 0 Base Register      */
     54 	long	P0LR;		/*  Page 0 Length Register    */
     55 	struct	pte *P1BR;	/*  Page 1 Base Register      */
     56 	long	P1LR;		/*  Page 1 Length Register    */
     57 
     58 	/* Software registers, only used by kernel software */
     59 	void   *framep;		/* Pointer to syscall frame */
     60 	void   *iftrap;		/* Tells whether fault copy */
     61 };
     62 
     63 #define	AST_MASK 0x07000000
     64 #define	AST_PCB	 0x04000000
     65 
     66 /* machine-specific core dump; save trapframe */
     67 struct	md_coredump {
     68 	struct trapframe md_tf;
     69 };
     70 
     71 #endif /* _VAX_PCB_H_ */
     72 
     73