53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/*-
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#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
|
|
|
|
int i386_extend_pcb __P((struct thread *));
|
|
|
|
#endif
|
|
|
|
#endif /* _I386_PCB_EXT_H_ */
|