1 /* $NetBSD: pcb.h,v 1.13 2010/03/20 23:31:30 chs 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 *pcb_onfault; /* Tells whether fault copy */ 61 paddr_t pcb_paddr; /* physical address of PCB */ 62 struct pmap *pcb_pm; /* owning pmap */ 63 struct pcb *pcb_pmnext; /* next pcb that shares this pmap */ 64 }; 65 66 #define AST_MASK 0x07000000 67 #define AST_PCB 0x04000000 68 69 /* machine-specific core dump; save trapframe */ 70 struct md_coredump { 71 struct trapframe md_tf; 72 }; 73 74 #endif /* _VAX_PCB_H_ */ 75 76