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/* $NetBSD: cpu.h,v 1.1 2006/04/07 14:21:18 cherry Exp $ */
/*-
* Copyright (c) 2006 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center, and by Charles M. Hannum.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*-
* 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 _IA64_CPU_H_
#define _IA64_CPU_H_
#ifdef _KERNEL
#include <sys/cpu_data.h>
#include <sys/cc_microtime.h>
#include <machine/frame.h>
#include <machine/ia64_cpu.h>
struct cpu_info {
struct device *ci_dev; /* pointer to our device */
struct cpu_info *ci_self; /* self-pointer */
/*
* Public members.
*/
struct lwp *ci_curlwp; /* current owner of the processor */
struct cpu_data ci_data; /* MI per-cpu data */
struct cc_microtime_state ci_cc;/* cc_microtime state */
struct cpu_info *ci_next; /* next cpu_info structure */
/* XXX: Todo */
/*
* Private members.
*/
cpuid_t ci_cpuid; /* our CPU ID */
struct pmap *ci_pmap; /* current pmap */
struct lwp *ci_fpcurlwp; /* current owner of the FPU */
paddr_t ci_curpcb; /* PA of current HW PCB */
struct pcb *ci_idle_pcb; /* our idle PCB */
struct cpu_softc *ci_softc; /* pointer to our device */
u_long ci_want_resched; /* preempt current process */
u_long ci_intrdepth; /* interrupt trap depth */
struct trapframe *ci_db_regs; /* registers for debuggers */
};
extern struct cpu_info cpu_info_primary;
#ifdef MULTIPROCESSOR
/* XXX: TODO */
#else
#define curcpu() (&cpu_info_primary)
#endif /* MULTIPROCESSOR */
#define cpu_number() 0 /*XXX: FIXME */
#define aston(p) ((p)->p_md.md_astpending = 1)
#define need_resched(ci) /*XXX: FIXME */
struct clockframe {
struct trapframe cf_tf;
};
#define CLKF_PC(cf) ((cf)->cf_tf.tf_special.iip)
#define CLKF_CPL(cf) ((cf)->cf_tf.tf_special.psr & IA64_PSR_CPL)
#define CLKF_USERMODE(cf) (CLKF_CPL(cf) != IA64_PSR_CPL_KERN)
#define CLKF_BASEPRI(frame) (0) /*XXX: CHECKME */
#define CLKF_INTR(frame) (curcpu()->ci_intrdepth)
#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)
/*
* Give a profiling tick to the current process when the user profiling
* buffer pages are invalid. XXX:Fixme.... On the ia64 I haven't yet figured
* out what to do about this.. XXX.
*/
#define need_proftick(p)
/*
* Notify the current process (p) that it has a signal pending,
* process as soon as possible.
*/
#define signotify(p) aston(p)
#define setsoftclock() /*XXX: FIXME */
/* machdep.c */
int cpu_maxproc(void); /*XXX: Fill in machdep.c */
#define cpu_proc_fork(p1, p2) /* XXX: Look into this. */
/* XXX: TODO: generic microtime support kern/kern_microtime.c
* #define microtime(tv) cc_microtime(tv)
*/
#endif /* _KERNEL_ */
#endif /* _IA64_CPU_H */
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