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/*- * Copyright (c) 1999 Luoqi Chen <luoqi@freebsd.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: FreeBSD: src/sys/i386/include/globaldata.h,v 1.27 2001/04/27 * $FreeBSD: release/9.1.0/sys/arm/include/pcpu.h 182945 2008-09-11 20:39:46Z cognet $ */ #ifndef _MACHINE_PCPU_H_ #define _MACHINE_PCPU_H_ #ifdef _KERNEL #include <machine/frame.h> #define ALT_STACK_SIZE 128 struct vmspace; #endif /* _KERNEL */ #define PCPU_MD_FIELDS #ifdef _KERNEL struct pcb; struct pcpu; extern struct pcpu *pcpup; extern struct pcpu __pcpu; #define PCPU_GET(member) (__pcpu.pc_ ## member) /* * XXX The implementation of this operation should be made atomic * with respect to preemption. */ #define PCPU_ADD(member, value) (__pcpu.pc_ ## member += (value)) #define PCPU_INC(member) PCPU_ADD(member, 1) #define PCPU_PTR(member) (&__pcpu.pc_ ## member) #define PCPU_SET(member,value) (__pcpu.pc_ ## member = (value)) #endif /* _KERNEL */ #endif /* !_MACHINE_PCPU_H_ */