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cpu.h revision 1.6.74.1 
      1 /*	$NetBSD: cpu.h,v 1.6.74.1 2007/05/22 17:26:26 matt 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 
     41 #define CPU_MAXNUM 8
     42 
     43 extern struct cpu_info *cpu_info[];
     44 
     45 #define CPU_IS_PRIMARY(ci)	((ci)->ci_cpuid == 0)
     46 extern cpuid_t cpu_number(void);
     47 #define curcpu()		(cpu_info[cpu_number()])
     48 
     49 extern cpuid_t cpu_next(cpuid_t);
     50 
     51 #define CPU_INFO_ITERATOR cpuid_t
     52 #define CPU_INFO_FOREACH(cii, ci)					\
     53 	cii = 0, ci = cpu_info[0];					\
     54 	cii < CPU_MAXNUM;						\
     55 	cii = cpu_next(cii), ci = cpu_info[cii]
     56 
     57 #endif /* MULTIPROCESSOR */
     58 #endif /* _KERNEL && _KERNEL_OPT && !_LOCORE */
     59 
     60 #include <arm/cpu.h>
     61