StdLib/Include/Ipf/machine/cpu.h

   1 /*      $NetBSD: cpu.h,v 1.1 2006/04/07 14:21:18 cherry Exp $   */
   2
   3 /*-
   4  * Copyright (c) 2006 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
   9  * NASA Ames Research Center, and by Charles M. Hannum.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. All advertising materials mentioning features or use of this software
  20  *    must display the following acknowledgement:
  21  *      This product includes software developed by the NetBSD
  22  *      Foundation, Inc. and its contributors.
  23  * 4. Neither the name of The NetBSD Foundation nor the names of its
  24  *    contributors may be used to endorse or promote products derived
  25  *    from this software without specific prior written permission.
  26  *
  27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  37  * POSSIBILITY OF SUCH DAMAGE.
  38  */
  39
  40
  41 /*-
  42  * Copyright (c) 1988 University of Utah.
  43  * Copyright (c) 1982, 1990, 1993
  44  *      The Regents of the University of California.  All rights reserved.
  45  *
  46  * This code is derived from software contributed to Berkeley by
  47  * the Systems Programming Group of the University of Utah Computer
  48  * Science Department.
  49  *
  50  * Redistribution and use in source and binary forms, with or without
  51  * modification, are permitted provided that the following conditions
  52  * are met:
  53  * 1. Redistributions of source code must retain the above copyright
  54  *    notice, this list of conditions and the following disclaimer.
  55  * 2. Redistributions in binary form must reproduce the above copyright
  56  *    notice, this list of conditions and the following disclaimer in the
  57  *    documentation and/or other materials provided with the distribution.
  58  * 4. Neither the name of the University nor the names of its contributors
  59  *    may be used to endorse or promote products derived from this software
  60  *    without specific prior written permission.
  61  *
  62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  72  * SUCH DAMAGE.
  73  *
  74  * from: Utah $Hdr: cpu.h 1.16 91/03/25$
  75  *
  76  *      @(#)cpu.h       8.4 (Berkeley) 1/5/94
  77  */
  78
  79
  80 #ifndef _IA64_CPU_H_
  81 #define _IA64_CPU_H_
  82
  83 #ifdef _KERNEL
  84 #include <sys/cpu_data.h>
  85 #include <sys/cc_microtime.h>
  86 #include <machine/frame.h>
  87 #include <machine/ia64_cpu.h>
  88
  89
  90 struct cpu_info {
  91         struct device *ci_dev;          /* pointer to our device */
  92         struct cpu_info *ci_self;       /* self-pointer */
  93         /*
  94          * Public members.
  95          */
  96         struct lwp *ci_curlwp;          /* current owner of the processor */
  97         struct cpu_data ci_data;        /* MI per-cpu data */
  98         struct cc_microtime_state ci_cc;/* cc_microtime state */
  99         struct cpu_info *ci_next;       /* next cpu_info structure */
 100
 101         /* XXX: Todo */
 102         /*
 103          * Private members.
 104          */
 105         cpuid_t ci_cpuid;               /* our CPU ID */
 106         struct pmap *ci_pmap;           /* current pmap */
 107         struct lwp *ci_fpcurlwp;        /* current owner of the FPU */
 108         paddr_t ci_curpcb;              /* PA of current HW PCB */
 109         struct pcb *ci_idle_pcb;        /* our idle PCB */
 110         struct cpu_softc *ci_softc;     /* pointer to our device */
 111         u_long ci_want_resched;         /* preempt current process */
 112         u_long ci_intrdepth;            /* interrupt trap depth */
 113         struct trapframe *ci_db_regs;   /* registers for debuggers */
 114 };
 115
 116
 117 extern struct cpu_info cpu_info_primary;
 118
 119 #ifdef MULTIPROCESSOR
 120 /* XXX: TODO */
 121 #else
 122 #define curcpu() (&cpu_info_primary)
 123 #endif /* MULTIPROCESSOR */
 124
 125 #define cpu_number() 0              /*XXX: FIXME */
 126
 127 #define aston(p)                ((p)->p_md.md_astpending = 1)
 128
 129 #define need_resched(ci)            /*XXX: FIXME */
 130
 131 struct clockframe {
 132         struct trapframe cf_tf;
 133 };
 134
 135 #define CLKF_PC(cf)             ((cf)->cf_tf.tf_special.iip)
 136 #define CLKF_CPL(cf)            ((cf)->cf_tf.tf_special.psr & IA64_PSR_CPL)
 137 #define CLKF_USERMODE(cf)       (CLKF_CPL(cf) != IA64_PSR_CPL_KERN)
 138 #define CLKF_BASEPRI(frame)     (0) /*XXX: CHECKME */
 139 #define CLKF_INTR(frame)        (curcpu()->ci_intrdepth)
 140
 141 #define TRAPF_PC(tf)            ((tf)->tf_special.iip)
 142 #define TRAPF_CPL(tf)           ((tf)->tf_special.psr & IA64_PSR_CPL)
 143 #define TRAPF_USERMODE(tf)      (TRAPF_CPL(tf) != IA64_PSR_CPL_KERN)
 144
 145
 146
 147
 148
 149
 150
 151 /*
 152  * Give a profiling tick to the current process when the user profiling
 153  * buffer pages are invalid. XXX:Fixme.... On the ia64 I haven't yet figured
 154  * out what to do about this.. XXX.
 155  */
 156
 157
 158 #define need_proftick(p)
 159
 160 /*
 161  * Notify the current process (p) that it has a signal pending,
 162  * process as soon as possible.
 163  */
 164 #define signotify(p)            aston(p)
 165
 166 #define setsoftclock()              /*XXX: FIXME */
 167
 168 /* machdep.c */
 169 int     cpu_maxproc(void); /*XXX: Fill in machdep.c */
 170
 171 #define cpu_proc_fork(p1, p2) /* XXX: Look into this. */
 172
 173
 174 /* XXX: TODO: generic microtime support kern/kern_microtime.c
 175  * #define microtime(tv)        cc_microtime(tv)
 176  */
 177
 178
 179 #endif /* _KERNEL_ */
 180 #endif /* _IA64_CPU_H */