166458Sdfr/* $FreeBSD$ */ 266458Sdfr/* From: NetBSD: cpu.h,v 1.18 1997/09/23 23:17:49 mjacob Exp */ 366458Sdfr 4139790Simp/*- 566458Sdfr * Copyright (c) 1988 University of Utah. 666458Sdfr * Copyright (c) 1982, 1990, 1993 766458Sdfr * The Regents of the University of California. All rights reserved. 866458Sdfr * 966458Sdfr * This code is derived from software contributed to Berkeley by 1066458Sdfr * the Systems Programming Group of the University of Utah Computer 1166458Sdfr * Science Department. 1266458Sdfr * 1366458Sdfr * Redistribution and use in source and binary forms, with or without 1466458Sdfr * modification, are permitted provided that the following conditions 1566458Sdfr * are met: 1666458Sdfr * 1. Redistributions of source code must retain the above copyright 1766458Sdfr * notice, this list of conditions and the following disclaimer. 1866458Sdfr * 2. Redistributions in binary form must reproduce the above copyright 1966458Sdfr * notice, this list of conditions and the following disclaimer in the 2066458Sdfr * documentation and/or other materials provided with the distribution. 2166458Sdfr * 4. Neither the name of the University nor the names of its contributors 2266458Sdfr * may be used to endorse or promote products derived from this software 2366458Sdfr * without specific prior written permission. 2466458Sdfr * 2566458Sdfr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2666458Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2766458Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2866458Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2966458Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3066458Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3166458Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3266458Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3366458Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3466458Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3566458Sdfr * SUCH DAMAGE. 3666458Sdfr * 3766458Sdfr * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 3866458Sdfr * 3966458Sdfr * @(#)cpu.h 8.4 (Berkeley) 1/5/94 4066458Sdfr */ 4166458Sdfr 4266458Sdfr#ifndef _MACHINE_CPU_H_ 4366458Sdfr#define _MACHINE_CPU_H_ 4466458Sdfr 4566458Sdfr#include <machine/frame.h> 4666458Sdfr 47115084Smarcel#define TRAPF_PC(tf) ((tf)->tf_special.iip) 48115913Smarcel#define TRAPF_CPL(tf) ((tf)->tf_special.psr & IA64_PSR_CPL) 49120222Smarcel#define TRAPF_USERMODE(tf) (TRAPF_CPL(tf) != IA64_PSR_CPL_KERN) 5072892Sjhb 5166458Sdfr#ifdef _KERNEL 5266458Sdfr 53134287Smarcel#ifdef GPROF 54134287Smarcelextern char btext[]; 55134287Smarcelextern char etext[]; 56134287Smarcel#endif 57134287Smarcel 5869003Smarkm/* 5969003Smarkm * Return contents of in-cpu fast counter as a sort of "bogo-time" 6069003Smarkm * for non-critical timing. 6169003Smarkm */ 62118990Smarcel#define get_cyclecount ia64_get_itc 6369003Smarkm 64119159Smarcel/* Used by signaling code. */ 65119159Smarcel#define cpu_getstack(td) ((td)->td_frame->tf_special.sp) 66133084Smux#define cpu_spinwait() /* nothing */ 67119159Smarcel 68118990Smarcelvoid cpu_halt(void); 69118990Smarcelvoid cpu_reset(void); 70118990Smarcelvoid fork_trampoline(void); /* MAGIC */ 71118990Smarcelvoid swi_vm(void *); 72118990Smarcel 7366458Sdfr#endif /* _KERNEL */ 7466458Sdfr 7566458Sdfr#endif /* _MACHINE_CPU_H_ */ 76