1/* $NetBSD: proc.h,v 1.25 2020/06/13 23:58:51 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#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 */
45struct pmap;
46struct vm_page;
47
48struct mdlwp {
49 volatile uint64_t md_tsc; /* last TSC reading */
50 struct trapframe *md_regs; /* registers on current frame */
51 int md_flags; /* machine-dependent flags */
52 volatile int md_astpending;
53};
54
55#define MDL_COMPAT32 0x0008 /* i386, always return via iret */
56#define MDL_IRET 0x0010 /* force return via iret, not sysret */
57#define MDL_FPU_IN_CPU 0x0020 /* the FPU state is in the CPU */
58
59struct 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 */