1 /* $NetBSD: pcb.h,v 1.7 1995/03/30 20:43:02 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 39 struct pcb { 40 41 /* Hardware registers, based on VAX special instructions */ 42 43 long KSP; /* Kernel Stack Pointer */ 44 long ESP; /* Executive Stack Pointer */ 45 long SSP; /* Supervisor Stack Pointer */ 46 long USP; /* User Stack Pointer */ 47 long R[12]; /* Register 0-11 */ 48 long AP; /* Argument Pointer */ 49 long FP; /* Frame Pointer */ 50 long PC; /* Program Counter */ 51 long PSL; /* Program Status Longword */ 52 void *P0BR; /* Page 0 Base Register */ 53 long P0LR; /* Page 0 Length Register */ 54 void *P1BR; /* Page 1 Base Register */ 55 long P1LR; /* Page 1 Length Register */ 56 57 /* Software registers, only used by kernel software */ 58 void *framep; /* Pointer to syscall frame */ 59 void *iftrap; /* Tells whether fault copy */ 60 }; 61 62 #define AST_MASK 0x07000000 63 #define AST_PCB 0x04000000 64 65 /* Not yet... */ 66 struct md_coredump { 67 }; 68 #endif /* _VAX_PCB_H_ */ 69 70