1 /* $OpenBSD: pcb.h,v 1.5 2008/06/26 05:42:09 ray Exp $ */ 2 /* $NetBSD: pcb.h,v 1.1 2003/04/26 18:39:45 fvdl Exp $ */ 3 4 /*- 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Charles M. Hannum. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /*- 34 * Copyright (c) 1990 The Regents of the University of California. 35 * All rights reserved. 36 * 37 * This code is derived from software contributed to Berkeley by 38 * William Jolitz. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * @(#)pcb.h 5.10 (Berkeley) 5/12/91 65 */ 66 67 /* 68 * XXXfvdl these copyrights don't really match anymore 69 */ 70 71 #ifndef _AMD64_PCB_H_ 72 #define _AMD64_PCB_H_ 73 74 #include <sys/signal.h> 75 76 #include <machine/segments.h> 77 #include <machine/tss.h> 78 #include <machine/fpu.h> 79 #include <machine/sysarch.h> 80 81 #define NIOPORTS 1024 /* # of ports we allow to be mapped */ 82 83 /* 84 * Please note that the pcb_savefpu field in struct below must be 85 * on a 16-byte boundary. 86 */ 87 struct pcb { 88 /* 89 * XXXfvdl 90 * It's overkill to have a TSS here, as it's only needed 91 * for compatibility processes who use an I/O permission map. 92 * The pcb fields below are not in the TSS anymore (and there's 93 * not enough room in the TSS to store them all) 94 * Should just make this a pointer and allocate. 95 */ 96 struct x86_64_tss pcb_tss; 97 u_int64_t pcb_cr3; 98 u_int64_t pcb_rsp; 99 u_int64_t pcb_rbp; 100 u_int64_t pcb_usersp; 101 u_int64_t pcb_ldt_sel; 102 struct savefpu pcb_savefpu; /* floating point state */ 103 int pcb_cr0; /* saved image of CR0 */ 104 int pcb_flags; 105 caddr_t pcb_onfault; /* copyin/out fault recovery */ 106 struct cpu_info *pcb_fpcpu; /* cpu holding our fp state. */ 107 unsigned pcb_iomap[NIOPORTS/32]; /* I/O bitmap */ 108 struct pmap *pcb_pmap; /* back pointer to our pmap */ 109 }; 110 111 /* 112 * The pcb is augmented with machine-dependent additional data for 113 * core dumps. For the i386, there is nothing to add. 114 */ 115 struct md_coredump { 116 long md_pad[8]; 117 }; 118 119 #endif /* _AMD64_PCB_H_ */ 120