Home | History | Annotate | Line # | Download | only in include
proc.h revision 1.12 
      1 /*	$NetBSD: proc.h,v 1.12 2009/03/14 14:45:54 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 <sys/user.h> /* for sizeof(struct user) */
     40 #include <machine/frame.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 struct mdproc {
     57 	int	md_flags;
     58 					/* Syscall handling function */
     59 	void	(*md_syscall)(struct trapframe *);
     60 };
     61 
     62 /* md_flags */
     63 #define	MDP_USEDFPU	0x0001	/* has used the FPU */
     64 #define MDP_COMPAT	0x0002	/* x86 compatibility process */
     65 #define MDP_SYSCALL	0x0004	/* entered kernel via syscall ins */
     66 #define MDP_USEDMTRR	0x0008	/* has set volatile MTRRs */
     67 #define MDP_IRET	0x0010	/* return via iret, not sysret */
     68 
     69 #define	UAREA_USER_OFFSET	(USPACE - ALIGN(sizeof(struct user)))
     70 #define	KSTACK_LOWEST_ADDR(l)	((void *)USER_TO_UAREA((l)->l_addr))
     71 #define	KSTACK_SIZE		UAREA_USER_OFFSET
     72 
     73 #else	/*	__x86_64__	*/
     74 
     75 #include <i386/proc.h>
     76 
     77 #endif	/*	__x86_64__	*/
     78 
     79 #endif /* _AMD64_PROC_H */
     80