blob: e5f49d990bf24be804efecdded3052936d7c1b02 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* $OpenBSD: cpu_number.h,v 1.1 2004/04/26 12:34:05 miod Exp $ */
/*
* Mach Operating System
* Copyright (c) 1993-1992 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
#ifndef _M88K_CPU_NUMBER_
#define _M88K_CPU_NUMBER_
#ifdef _KERNEL
#ifndef _LOCORE
static unsigned cpu_number(void);
static __inline__ unsigned cpu_number(void)
{
unsigned cpu;
__asm__ __volatile__ ("ldcr %0, cr18" : "=r" (cpu));
return (cpu & 3);
}
#endif /* _LOCORE */
#endif /* _KERNEL */
#endif /* _M88K_CPU_NUMBER_ */
|
