1 /*	$NetBSD: proc.h,v 1.19 2014/02/20 18:19:10 dsl 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 #ifdef __x86_64__
38 
39 #include <machine/frame.h>
40 #include <machine/pcb.h>
41 
42 /*
43  * Machine-dependent part of the lwp structure for amd64.
44  */
45 struct pmap;
46 struct vm_page;
47 
48 struct mdlwp {
49 	struct	trapframe *md_regs;	/* registers on current frame */
50 	struct pmap *md_gc_pmap;	/* pmap being garbage collected */
51 	struct vm_page *md_gc_ptp;	/* pages from pmap g/c */
52 	int	md_flags;		/* machine-dependent flags */
53 	volatile int md_astpending;
54 };
55 
56 #define	MDL_COMPAT32	0x0008	/* i386, always return via iret */
57 #define	MDL_IRET	0x0010	/* force return via iret, not sysret */
58 
59 struct mdproc {
60 	int	md_flags;
61 					/* Syscall handling function */
62 	void	(*md_syscall)(struct trapframe *);
63 };
64 
65 /* md_flags */
66 #define MDP_USEDMTRR	0x0008	/* has set volatile MTRRs */
67 
68 #else	/*	__x86_64__	*/
69 
70 #include <i386/proc.h>
71 
72 #endif	/*	__x86_64__	*/
73 
74 #endif /* _AMD64_PROC_H */
75