2 * Copyright (c) 2003 Peter Wemm.
3 * Copyright (c) 1990 The Regents of the University of California.
6 * This code is derived from software contributed to Berkeley by
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * from: @(#)pcb.h 5.10 (Berkeley) 5/12/91
38 * $FreeBSD: src/sys/amd64/include/pcb.h,v 1.57 2004/01/28 23:54:31 peter Exp $
39 * $DragonFly: src/sys/platform/pc64/include/pcb.h,v 1.1 2007/08/21 19:45:45 corecode Exp $
42 #ifndef _MACHINE_PCB_H_
43 #define _MACHINE_PCB_H_
46 * AMD64 process control block
48 #include <machine/npx.h>
61 register_t pcb_rflags;
62 register_t pcb_fsbase;
63 register_t pcb_gsbase;
75 union savefpu pcb_save;
77 #define PCB_DBREGS 0x02 /* process using debug registers */
78 #define PCB_FPUINITDONE 0x08 /* fpu state is initialized */
79 #define PCB_FULLCTX 0x80 /* full context restore on sysret */
81 caddr_t pcb_onfault; /* copyin/out fault recovery */
85 void savectx(struct pcb *);
88 #endif /* _MACHINE_PCB_H_ */