pcb.h revision 1.13
1/* $NetBSD: pcb.h,v 1.13 2008/04/28 20:23:12 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32/*- 33 * Copyright (c) 1990 The Regents of the University of California. 34 * All rights reserved. 35 * 36 * This code is derived from software contributed to Berkeley by 37 * William Jolitz. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. Neither the name of the University nor the names of its contributors 48 * may be used to endorse or promote products derived from this software 49 * without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 54 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 61 * SUCH DAMAGE. 62 * 63 * @(#)pcb.h 5.10 (Berkeley) 5/12/91 64 */ 65 66/* 67 * XXXfvdl these copyrights don't really match anymore 68 */ 69 70#ifndef _AMD64_PCB_H_ 71#define _AMD64_PCB_H_ 72 73#include <sys/signal.h> 74 75#include <machine/segments.h> 76#include <machine/tss.h> 77#include <machine/fpu.h> 78#include <machine/sysarch.h> 79 80#define NIOPORTS 1024 /* # of ports we allow to be mapped */ 81 82/* 83 * Please note that the pcb_savefpu field in struct below must be 84 * on a 16-byte boundary. 85 */ 86struct pcb { 87 int pcb_flags; 88#define PCB_USER_LDT 0x01 /* has user-set LDT */ 89#define PCB_GS64 0x02 90#define PCB_FS64 0x04 91 int pcb_cr0; /* saved image of CR0 */ 92 uint64_t pcb_rsp0; 93 uint64_t pcb_cr2; /* page fault address (CR2) */ 94 uint64_t pcb_cr3; 95 uint64_t pcb_rsp; 96 uint64_t pcb_rbp; 97 uint64_t pcb_usersp; 98 uint64_t pcb_ldt_sel; 99 struct savefpu pcb_savefpu __aligned(16); /* floating point state */ 100 void *pcb_onfault; /* copyin/out fault recovery */ 101 struct cpu_info *pcb_fpcpu; /* cpu holding our fp state. */ 102 uint64_t pcb_gs; 103 uint64_t pcb_fs; 104 int pcb_iopl; 105}; 106 107/* 108 * The pcb is augmented with machine-dependent additional data for 109 * core dumps. For the i386, there is nothing to add. 110 */ 111struct md_coredump { 112 long md_pad[8]; 113}; 114 115#endif /* _AMD64_PCB_H_ */ 116