/* $NetBSD: proc.h,v 1.25 2020/06/13 23:58:51 ad Exp $ */
/*
* Copyright (c) 1991 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)proc.h 7.1 (Berkeley) 5/15/91
*/
/*
* Machine-dependent part of the lwp structure for amd64.
*/
struct pmap;
struct vm_page;
struct mdlwp {
volatile uint64_t md_tsc; /* last TSC reading */
struct trapframe *md_regs; /* registers on current frame */
int md_flags; /* machine-dependent flags */
volatile int md_astpending;
};
#define MDL_COMPAT32 0x0008 /* i386, always return via iret */
#define MDL_IRET 0x0010 /* force return via iret, not sysret */
#define MDL_FPU_IN_CPU 0x0020 /* the FPU state is in the CPU */
struct mdproc {
int md_flags;
/* Syscall handling function */
void (*md_syscall)(struct trapframe *);
};
/* md_flags */
#define MDP_USEDMTRR 0x0008 /* has set volatile MTRRs */
