/* $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 */ |