text: /* $FreeBSD: releng/9.3/sys/ia64/include/cpu.h 158459 2006-05-11 22:49:31Z marcel $ */
  /* From: NetBSD: cpu.h,v 1.18 1997/09/23 23:17:49 mjacob Exp */
  
  /*-
   * Copyright (c) 1988 University of Utah.
   * Copyright (c) 1982, 1990, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * the Systems Programming Group of the University of Utah Computer
   * Science Department.
   *
   * 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.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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: Utah $Hdr: cpu.h 1.16 91/03/25$
   *
   *	@(#)cpu.h	8.4 (Berkeley) 1/5/94
   */
  
  #ifndef _MACHINE_CPU_H_
  #define _MACHINE_CPU_H_
  
  #include <machine/frame.h>
  
  #define	TRAPF_PC(tf)		((tf)->tf_special.iip)
  #define	TRAPF_CPL(tf)		((tf)->tf_special.psr & IA64_PSR_CPL)
  #define	TRAPF_USERMODE(tf)	(TRAPF_CPL(tf) != IA64_PSR_CPL_KERN)
  
  #ifdef _KERNEL
  
  #ifdef GPROF
  extern char btext[];
  extern char etext[];
  #endif
  
  /*
   * Return contents of in-cpu fast counter as a sort of "bogo-time"
   * for non-critical timing.
   */
  #define	get_cyclecount		ia64_get_itc
  
  /* Used by signaling code. */
  #define	cpu_getstack(td)	((td)->td_frame->tf_special.sp)
  #define	cpu_spinwait()		/* nothing */
  
  void	cpu_halt(void);
  void	cpu_reset(void);
  void	fork_trampoline(void);				/* MAGIC */
  void	swi_vm(void *);
  
  #endif /* _KERNEL */
  
  #endif /* _MACHINE_CPU_H_ */
  