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/*-
* 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.
* 4. 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.
*
* from: @(#)frame.h 5.2 (Berkeley) 1/18/91
* $FreeBSD: release/9.1.0/sys/i386/include/frame.h 153666 2005-12-22 22:16:09Z jhb $
*/
#ifndef _MACHINE_FRAME_H_
#define _MACHINE_FRAME_H_ 1
/*
* System stack frames.
*/
/*
* Exception/Trap Stack Frame
*/
struct trapframe {
int tf_fs;
int tf_es;
int tf_ds;
int tf_edi;
int tf_esi;
int tf_ebp;
int tf_isp;
int tf_ebx;
int tf_edx;
int tf_ecx;
int tf_eax;
int tf_trapno;
/* below portion defined in 386 hardware */
int tf_err;
int tf_eip;
int tf_cs;
int tf_eflags;
/* below only when crossing rings (e.g. user to kernel) */
int tf_esp;
int tf_ss;
};
/* Superset of trap frame, for traps from virtual-8086 mode */
struct trapframe_vm86 {
int tf_fs;
int tf_es;
int tf_ds;
int tf_edi;
int tf_esi;
int tf_ebp;
int tf_isp;
int tf_ebx;
int tf_edx;
int tf_ecx;
int tf_eax;
int tf_trapno;
/* below portion defined in 386 hardware */
int tf_err;
int tf_eip;
int tf_cs;
int tf_eflags;
/* below only when crossing rings (e.g. user to kernel) */
int tf_esp;
int tf_ss;
/* below only when switching out of VM86 mode */
int tf_vm86_es;
int tf_vm86_ds;
int tf_vm86_fs;
int tf_vm86_gs;
};
#endif /* _MACHINE_FRAME_H_ */