pcb.h revision 1.9
1/* $NetBSD: pcb.h,v 1.9 2007/11/26 15:38:29 christos Exp $ */ 2 3/*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39/*- 40 * Copyright (c) 1990 The Regents of the University of California. 41 * All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * William Jolitz. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)pcb.h 5.10 (Berkeley) 5/12/91 71 */ 72 73/* 74 * XXXfvdl these copyrights don't really match anymore 75 */ 76 77#ifndef _AMD64_PCB_H_ 78#define _AMD64_PCB_H_ 79 80#include <sys/signal.h> 81 82#include <machine/segments.h> 83#include <machine/tss.h> 84#include <machine/fpu.h> 85#include <machine/sysarch.h> 86 87#define NIOPORTS 1024 /* # of ports we allow to be mapped */ 88 89/* 90 * Please note that the pcb_savefpu field in struct below must be 91 * on a 16-byte boundary. 92 */ 93struct pcb { 94 /* 95 * XXXfvdl 96 * It's overkill to have a TSS here, as it's only needed 97 * for compatibility processes who use an I/O permission map. 98 * The pcb fields below are not in the TSS anymore (and there's 99 * not enough room in the TSS to store them all) 100 * Should just make this a pointer and allocate. 101 */ 102 struct x86_64_tss pcb_tss; 103 u_int64_t pcb_cr2; /* page fault address (CR2) */ 104 u_int64_t pcb_cr3; 105 u_int64_t pcb_rsp; 106 u_int64_t pcb_rbp; 107 u_int64_t pcb_usersp; 108 u_int64_t pcb_ldt_sel; 109 struct savefpu pcb_savefpu; /* floating point state */ 110 int pcb_cr0; /* saved image of CR0 */ 111 int pcb_flags; 112#define PCB_USER_LDT 0x01 /* has user-set LDT */ 113#define PCB_GS64 0x02 114#define PCB_FS64 0x04 115 void * pcb_onfault; /* copyin/out fault recovery */ 116 struct cpu_info *pcb_fpcpu; /* cpu holding our fp state. */ 117 unsigned pcb_iomap[NIOPORTS/32]; /* I/O bitmap */ 118 uint64_t pcb_gs; 119 uint64_t pcb_fs; 120}; 121 122/* 123 * The pcb is augmented with machine-dependent additional data for 124 * core dumps. For the i386, there is nothing to add. 125 */ 126struct md_coredump { 127 long md_pad[8]; 128}; 129 130#endif /* _AMD64_PCB_H_ */ 131