104 lines
3.5 KiB
C
104 lines
3.5 KiB
C
/* $FreeBSD$ */
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/* From: NetBSD: cpu.h,v 1.18 1997/09/23 23:17:49 mjacob Exp */
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/*-
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1982, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah $Hdr: cpu.h 1.16 91/03/25$
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*
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* @(#)cpu.h 8.4 (Berkeley) 1/5/94
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*/
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#ifndef _MACHINE_CPU_H_
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#define _MACHINE_CPU_H_
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#include <machine/frame.h>
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/*
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* Arguments to hardclock and gatherstats encapsulate the previous machine
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* state in an opaque clockframe.
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*/
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struct clockframe {
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struct trapframe cf_tf;
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};
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#define CLKF_PC(cf) ((cf)->cf_tf.tf_special.iip)
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#define CLKF_CPL(cf) ((cf)->cf_tf.tf_special.psr & IA64_PSR_CPL)
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#define CLKF_USERMODE(cf) (CLKF_CPL(cf) != IA64_PSR_CPL_KERN)
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#define TRAPF_PC(tf) ((tf)->tf_special.iip)
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#define TRAPF_CPL(tf) ((tf)->tf_special.psr & IA64_PSR_CPL)
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#define TRAPF_USERMODE(tf) (TRAPF_CPL(tf) != IA64_PSR_CPL_KERN)
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/*
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* CTL_MACHDEP definitions.
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*/
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#define CPU_CONSDEV 1 /* dev_t: console terminal device */
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#define CPU_ADJKERNTZ 2 /* int: timezone offset (seconds) */
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#define CPU_DISRTCSET 3 /* int: disable resettodr() call */
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#define CPU_WALLCLOCK 4 /* int: indicates wall CMOS clock */
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#define CPU_MAXID 5 /* valid machdep IDs */
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#define CTL_MACHDEP_NAMES { \
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{ 0, 0 }, \
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{ "console_device", CTLTYPE_STRUCT }, \
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{ "adjkerntz", CTLTYPE_INT }, \
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{ "disable_rtc_set", CTLTYPE_INT }, \
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{ "wall_cmos_clock", CTLTYPE_INT }, \
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}
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#ifdef _KERNEL
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#ifdef GPROF
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extern char btext[];
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extern char etext[];
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#endif
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/*
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* Return contents of in-cpu fast counter as a sort of "bogo-time"
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* for non-critical timing.
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*/
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#define get_cyclecount ia64_get_itc
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/* Used by signaling code. */
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#define cpu_getstack(td) ((td)->td_frame->tf_special.sp)
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#define cpu_spinwait() /* nothing */
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void cpu_halt(void);
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void cpu_reset(void);
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void fork_trampoline(void); /* MAGIC */
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void swi_vm(void *);
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#endif /* _KERNEL */
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#endif /* _MACHINE_CPU_H_ */
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