76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/* $FreeBSD$ */
|
|
/* 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_ */
|