1/* $FreeBSD$ */ 2/* From: NetBSD: cpu.h,v 1.18 1997/09/23 23:17:49 mjacob Exp */ 3 4/*- 5 * Copyright (c) 1988 University of Utah. 6 * Copyright (c) 1982, 1990, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * the Systems Programming Group of the University of Utah Computer 11 * Science Department. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: Utah $Hdr: cpu.h 1.16 91/03/25$ 38 * 39 * @(#)cpu.h 8.4 (Berkeley) 1/5/94 40 */ 41 42#ifndef _MACHINE_CPU_H_ 43#define _MACHINE_CPU_H_ 44 45#include <machine/frame.h> 46 47#define TRAPF_PC(tf) ((tf)->tf_special.iip) 48#define TRAPF_CPL(tf) ((tf)->tf_special.psr & IA64_PSR_CPL) 49#define TRAPF_USERMODE(tf) (TRAPF_CPL(tf) != IA64_PSR_CPL_KERN) 50 51#ifdef _KERNEL 52 53#ifdef GPROF 54extern char btext[]; 55extern char etext[]; 56#endif 57 58/* 59 * Return contents of in-cpu fast counter as a sort of "bogo-time" 60 * for non-critical timing. 61 */ 62#define get_cyclecount ia64_get_itc 63 64/* Used by signaling code. */ 65#define cpu_getstack(td) ((td)->td_frame->tf_special.sp) 66#define cpu_spinwait() /* nothing */ 67 68void cpu_halt(void); 69void cpu_reset(void); 70void fork_trampoline(void); /* MAGIC */ 71void swi_vm(void *); 72 73#endif /* _KERNEL */ 74 75#endif /* _MACHINE_CPU_H_ */ 76