FreeBSD/Linux Kernel Cross Reference
sys/arm/include/pcpu.h
1 /*-
2 * Copyright (c) 1999 Luoqi Chen <luoqi@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * from: FreeBSD: src/sys/i386/include/globaldata.h,v 1.27 2001/04/27
27 * $FreeBSD: src/sys/arm/include/pcpu.h,v 1.8 2008/09/11 20:39:46 cognet Exp $
28 */
29
30 #ifndef _MACHINE_PCPU_H_
31 #define _MACHINE_PCPU_H_
32
33 #ifdef _KERNEL
34
35 #include <machine/frame.h>
36
37 #define ALT_STACK_SIZE 128
38
39 struct vmspace;
40
41 #endif /* _KERNEL */
42
43 #define PCPU_MD_FIELDS
44
45 #ifdef _KERNEL
46
47 struct pcb;
48 struct pcpu;
49
50 extern struct pcpu *pcpup;
51 extern struct pcpu __pcpu;
52
53 #define PCPU_GET(member) (__pcpu.pc_ ## member)
54
55 /*
56 * XXX The implementation of this operation should be made atomic
57 * with respect to preemption.
58 */
59 #define PCPU_ADD(member, value) (__pcpu.pc_ ## member += (value))
60 #define PCPU_INC(member) PCPU_ADD(member, 1)
61 #define PCPU_PTR(member) (&__pcpu.pc_ ## member)
62 #define PCPU_SET(member,value) (__pcpu.pc_ ## member = (value))
63
64 #endif /* _KERNEL */
65
66 #endif /* !_MACHINE_PCPU_H_ */
67 Cache object: 40d242844199259622d4fd43a479858b
|