1 /* $NetBSD: proc.h,v 1.3 2003/08/20 21:48:52 fvdl Exp $ */ 2 3 /* 4 * Copyright (c) 1991 Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)proc.h 7.1 (Berkeley) 5/15/91 32 */ 33 34 #ifndef _AMD64_PROC_H 35 #define _AMD64_PROC_H 36 37 #include <machine/frame.h> 38 39 /* 40 * Machine-dependent part of the proc structure for amd64. 41 */ 42 struct mdlwp { 43 struct trapframe *md_regs; /* registers on current frame */ 44 int md_flags; /* machine-dependent flags */ 45 int md_tss_sel; /* TSS selector */ 46 }; 47 48 struct mdproc { 49 int md_flags; 50 /* Syscall handling function */ 51 void (*md_syscall) __P((struct trapframe *)); 52 __volatile int md_astpending; 53 }; 54 55 /* md_flags */ 56 #define MDP_USEDFPU 0x0001 /* has used the FPU */ 57 #define MDP_COMPAT 0x0002 /* x86 compatibility process */ 58 #define MDP_SYSCALL 0x0004 /* entered kernel via syscall ins */ 59 #define MDP_USEDMTRR 0x0008 /* has set volatile MTRRs */ 60 #define MDP_IRET 0x0010 /* return via iret, not sysret */ 61 62 #endif /* _AMD64_PROC_H */ 63