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/*-
* Copyright (c) 1997 Jonathan Lemon
* 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/i386/include/pcb_ext.h 150173 2005-09-15 17:30:08Z jhb $
*/
#ifndef _I386_PCB_EXT_H_
#define _I386_PCB_EXT_H_
/*
* Extension to the 386 process control block
*/
#include <machine/tss.h>
#include <machine/vm86.h>
#include <machine/segments.h>
struct pcb_ext {
struct segment_descriptor ext_tssd; /* tss descriptor */
struct i386tss ext_tss; /* per-process i386tss */
caddr_t ext_iomap; /* i/o permission bitmap */
struct vm86_kernel ext_vm86; /* vm86 area */
};
#ifdef _KERNEL
extern int private_tss;
int i386_extend_pcb(struct thread *);
#endif
#endif /* _I386_PCB_EXT_H_ */