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/*-
* Copyright (c) 2003,2004 Marcel Moolenaar
* Copyright (c) 2000 Doug Rabson
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD: release/9.1.0/sys/ia64/include/pcb.h 235539 2012-05-17 10:25:34Z dim $
*/
#ifndef _MACHINE_PCB_H_
#define _MACHINE_PCB_H_
#ifndef _MACHINE_REGSET_H_
#include <machine/_regset.h>
#endif
/*
* PCB: process control block
*/
struct pmap;
struct pcb {
struct _special pcb_special;
struct _callee_saved pcb_preserved;
struct _callee_saved_fp pcb_preserved_fp;
struct _high_fp pcb_high_fp;
struct pcpu *pcb_fpcpu;
struct pmap *pcb_current_pmap;
uint64_t pcb_onfault; /* for copy faults */
/* IA32 specific registers. */
uint64_t pcb_ia32_cflg;
uint64_t pcb_ia32_eflag;
uint64_t pcb_ia32_fcr;
uint64_t pcb_ia32_fdr;
uint64_t pcb_ia32_fir;
uint64_t pcb_ia32_fsr;
};
#ifdef _KERNEL
#define savectx(p) swapctx(p, NULL)
struct trapframe;
void makectx(struct trapframe *, struct pcb *);
void restorectx(struct pcb *) __dead2;
int swapctx(struct pcb *old, struct pcb *new) __returns_twice;
void ia32_restorectx(struct pcb *);
void ia32_savectx(struct pcb *) __returns_twice;
#endif
#endif /* _MACHINE_PCB_H_ */