1 /* $NetBSD: proc.h,v 1.24 2020/01/13 00:26:52 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 */ 45 struct pmap; 46 struct vm_page; 47 48 struct mdlwp { 49 struct trapframe *md_regs; /* registers on current frame */ 50 int md_flags; /* machine-dependent flags */ 51 volatile int md_astpending; 52 }; 53 54 #define MDL_COMPAT32 0x0008 /* i386, always return via iret */ 55 #define MDL_IRET 0x0010 /* force return via iret, not sysret */ 56 #define MDL_FPU_IN_CPU 0x0020 /* the FPU state is in the CPU */ 57 58 struct mdproc { 59 int md_flags; 60 /* Syscall handling function */ 61 void (*md_syscall)(struct trapframe *); 62 }; 63 64 /* md_flags */ 65 #define MDP_USEDMTRR 0x0008 /* has set volatile MTRRs */ 66 67 #else /* __x86_64__ */ 68 69 #include <i386/proc.h> 70 71 #endif /* __x86_64__ */ 72 73 #endif /* _AMD64_PROC_H */ 74