text: /*-
   * 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: releng/9.3/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_ */
  