xref: /netbsd-src/sys/arch/amd64/include/proc.h (revision e89934bbf778a6d6d6894877c4da59d0c7835b0f)
1 /*	$NetBSD: proc.h,v 1.20 2016/12/15 12:04:17 kamil 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 #include <x86/dbregs.h>
42 
43 /*
44  * Machine-dependent part of the lwp structure for amd64.
45  */
46 struct pmap;
47 struct vm_page;
48 
49 struct mdlwp {
50 	struct	trapframe *md_regs;	/* registers on current frame */
51 	struct pmap *md_gc_pmap;	/* pmap being garbage collected */
52 	struct vm_page *md_gc_ptp;	/* pages from pmap g/c */
53 	int	md_flags;		/* machine-dependent flags */
54 	volatile int md_astpending;
55 	struct	x86_hw_watchpoint md_watchpoint[X86_HW_WATCHPOINTS];
56 };
57 
58 #define	MDL_COMPAT32		0x0008	/* i386, always return via iret */
59 #define	MDL_IRET		0x0010	/* force return via iret, not sysret */
60 #define	MDL_X86_HW_WATCHPOINTS	0x0020	/* has hardware watchpoints */
61 
62 struct mdproc {
63 	int	md_flags;
64 					/* Syscall handling function */
65 	void	(*md_syscall)(struct trapframe *);
66 };
67 
68 /* md_flags */
69 #define MDP_USEDMTRR	0x0008	/* has set volatile MTRRs */
70 
71 #else	/*	__x86_64__	*/
72 
73 #include <i386/proc.h>
74 
75 #endif	/*	__x86_64__	*/
76 
77 #endif /* _AMD64_PROC_H */
78