xref: /netbsd/sys/arch/acorn32/include/cpu.h (revision c4a72b64)
1 /*	$NetBSD: cpu.h,v 1.6 2002/10/13 12:24:57 bjh21 Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 Ben Harris
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. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #if defined(_KERNEL) && defined(_KERNEL_OPT) && !defined(_LOCORE)
31 #include "opt_multiprocessor.h"
32 
33 #ifdef MULTIPROCESSOR
34 void	cpu_boot_secondary_processors(void);
35 
36 #define MP_CPU_INFO_MEMBERS						\
37 	cpuid_t ci_cpuid;						\
38 	struct proc *ci_curproc;					\
39 	struct pcb *ci_curpcb;						\
40 	struct pcb *ci_idlepcb;
41 
42 #define CPU_MAXNUM 8
43 
44 extern struct cpu_info *cpu_info[];
45 
46 #define CPU_IS_PRIMARY(ci)	((ci)->ci_cpuid == 0)
47 extern cpuid_t cpu_number(void);
48 #define curcpu()		(cpu_info[cpu_number()])
49 
50 extern cpuid_t cpu_next(cpuid_t);
51 
52 #define CPU_INFO_ITERATOR cpuid_t
53 #define CPU_INFO_FOREACH(cii, ci)					\
54 	cii = 0, ci = cpu_info[0];					\
55 	cii < CPU_MAXNUM;						\
56 	cii = cpu_next(cii), ci = cpu_info[cii]
57 
58 #endif /* MULTIPROCESSOR */
59 #endif /* _KERNEL && _KERNEL_OPT && !_LOCORE */
60 
61 #include <arm/cpu.h>
62