proc.h revision 1.6 1 /* $NetBSD: proc.h,v 1.6 2007/02/09 21:55:01 ad 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 volatile int md_astpending;
47 };
48
49 struct mdproc {
50 int md_flags;
51 /* Syscall handling function */
52 void (*md_syscall) __P((struct trapframe *));
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