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/* $OpenBSD: pcb.h,v 1.5 2008/06/26 05:42:09 ray Exp $ */
/* $NetBSD: pcb.h,v 1.1 2003/04/26 18:39:45 fvdl Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)pcb.h 5.10 (Berkeley) 5/12/91
*/
/*
* XXXfvdl these copyrights don't really match anymore
*/
#ifndef _AMD64_PCB_H_
#define _AMD64_PCB_H_
#include <sys/signal.h>
#include <machine/segments.h>
#include <machine/tss.h>
#include <machine/fpu.h>
#include <machine/sysarch.h>
#define NIOPORTS 1024 /* # of ports we allow to be mapped */
/*
* Please note that the pcb_savefpu field in struct below must be
* on a 16-byte boundary.
*/
struct pcb {
/*
* XXXfvdl
* It's overkill to have a TSS here, as it's only needed
* for compatibility processes who use an I/O permission map.
* The pcb fields below are not in the TSS anymore (and there's
* not enough room in the TSS to store them all)
* Should just make this a pointer and allocate.
*/
struct x86_64_tss pcb_tss;
u_int64_t pcb_cr3;
u_int64_t pcb_rsp;
u_int64_t pcb_rbp;
u_int64_t pcb_usersp;
u_int64_t pcb_ldt_sel;
struct savefpu pcb_savefpu; /* floating point state */
int pcb_cr0; /* saved image of CR0 */
int pcb_flags;
caddr_t pcb_onfault; /* copyin/out fault recovery */
struct cpu_info *pcb_fpcpu; /* cpu holding our fp state. */
unsigned pcb_iomap[NIOPORTS/32]; /* I/O bitmap */
struct pmap *pcb_pmap; /* back pointer to our pmap */
};
/*
* The pcb is augmented with machine-dependent additional data for
* core dumps. For the i386, there is nothing to add.
*/
struct md_coredump {
long md_pad[8];
};
#endif /* _AMD64_PCB_H_ */
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