| /*- |
| * 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 |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _BSD_MACHINE_FRAME_H_ |
| #define _BSD_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 /* _BSD_MACHINE_FRAME_H_ */ |
