Annotation of sys/arch/amd64/include/pcb.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: pcb.h,v 1.3 2006/05/10 01:39:04 krw Exp $ */
2: /* $NetBSD: pcb.h,v 1.1 2003/04/26 18:39:45 fvdl Exp $ */
3:
4: /*-
5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Charles M. Hannum.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: /*-
41: * Copyright (c) 1990 The Regents of the University of California.
42: * All rights reserved.
43: *
44: * This code is derived from software contributed to Berkeley by
45: * William Jolitz.
46: *
47: * Redistribution and use in source and binary forms, with or without
48: * modification, are permitted provided that the following conditions
49: * are met:
50: * 1. Redistributions of source code must retain the above copyright
51: * notice, this list of conditions and the following disclaimer.
52: * 2. Redistributions in binary form must reproduce the above copyright
53: * notice, this list of conditions and the following disclaimer in the
54: * documentation and/or other materials provided with the distribution.
55: * 3. Neither the name of the University nor the names of its contributors
56: * may be used to endorse or promote products derived from this software
57: * without specific prior written permission.
58: *
59: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69: * SUCH DAMAGE.
70: *
71: * @(#)pcb.h 5.10 (Berkeley) 5/12/91
72: */
73:
74: /*
75: * XXXfvdl these copyrights don't really match anymore
76: */
77:
78: #ifndef _AMD64_PCB_H_
79: #define _AMD64_PCB_H_
80:
81: #include <sys/signal.h>
82:
83: #include <machine/segments.h>
84: #include <machine/tss.h>
85: #include <machine/fpu.h>
86: #include <machine/sysarch.h>
87:
88: #define NIOPORTS 1024 /* # of ports we allow to be mapped */
89:
90: /*
91: * Please note that the pcb_savefpu field in struct below must be
92: * on a 16-byte boundary.
93: */
94: struct pcb {
95: /*
96: * XXXfvdl
97: * It's overkill to have a TSS here, as it's only needed
98: * for compatibility processes who use an I/O permission map.
99: * The pcb fields below are not in the TSS anymore (and there's
100: * not enough room in the TSS to store them all)
101: * Should just make this a pointer and allocate.
102: */
103: struct x86_64_tss pcb_tss;
104: u_int64_t pcb_cr3;
105: u_int64_t pcb_rsp;
106: u_int64_t pcb_rbp;
107: u_int64_t pcb_usersp;
108: u_int64_t pcb_ldt_sel;
109: struct savefpu pcb_savefpu; /* floating point state */
110: int pcb_cr0; /* saved image of CR0 */
111: int pcb_flags;
112: #define PCB_USER_LDT 0x01 /* has user-set LDT */
113: caddr_t pcb_onfault; /* copyin/out fault recovery */
114: struct cpu_info *pcb_fpcpu; /* cpu holding our fp state. */
115: unsigned pcb_iomap[NIOPORTS/32]; /* I/O bitmap */
116: struct pmap *pcb_pmap; /* back pointer to our pmap */
117: };
118:
119: /*
120: * The pcb is augmented with machine-dependent additional data for
121: * core dumps. For the i386, there is nothing to add.
122: */
123: struct md_coredump {
124: long md_pad[8];
125: };
126:
127: #endif /* _AMD64_PCB_H_ */
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to pcb.h CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / arch / amd64 / include