1 /* $OpenBSD: proc.h,v 1.3 2005/12/13 00:18:19 jsg Exp $ */ 2 /* $NetBSD: proc.h,v 1.1 2003/04/26 18:39:46 fvdl Exp $ */ 3 4 /* 5 * Copyright (c) 1991 Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)proc.h 7.1 (Berkeley) 5/15/91 33 */ 34 35 #ifndef _AMD64_PROC_H 36 #define _AMD64_PROC_H 37 38 #include <machine/frame.h> 39 40 /* 41 * Machine-dependent part of the proc structure for amd64. 42 */ 43 struct mdproc { 44 struct trapframe *md_regs; /* registers on current frame */ 45 int md_tss_sel; /* TSS selector */ 46 int md_flags; 47 __volatile int md_astpending; 48 }; 49 50 /* md_flags */ 51 #define MDP_USEDFPU 0x0001 /* has used the FPU */ 52 #define MDP_COMPAT 0x0002 /* x86 compatibility process */ 53 #define MDP_SYSCALL 0x0004 /* entered kernel via syscall ins */ 54 #define MDP_USEDMTRR 0x0008 /* has set volatile MTRRs */ 55 #define MDP_IRET 0x0010 /* return via iret, not sysret */ 56 57 #endif /* _AMD64_PROC_H */ 58