sys/platform/vkernel/i386/mp.c

   1 /*
   2  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Matthew Dillon <dillon@backplane.com>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $DragonFly: src/sys/platform/vkernel/i386/mp.c,v 1.1 2007/06/18 18:57:12 josepht Exp $
  35  */
  36
  37 #include <sys/interrupt.h>
  38 #include <sys/types.h>
  39
  40 #include <machine/cpufunc.h>
  41 #include <machine/smp.h>
  42
  43 #if 0
  44 volatile lapic_t lapic; /* needed for kern/kern_shutdown.c */
  45 #endif
  46 volatile u_int           stopped_cpus;
  47 cpumask_t smp_active_mask = 1;  /* which cpus are ready for IPIs etc? */
  48 #if 0
  49 u_int mp_lock;
  50 #endif
  51
  52 void
  53 mp_start(void)
  54 {
  55         panic("XXX mp_start()");
  56 }
  57
  58 void
  59 mp_announce(void)
  60 {
  61         panic("XXX mp_announce()");
  62 }
  63
  64 #if 0
  65 void
  66 get_mplock(void)
  67 {
  68         panic("XXX get_mplock()");
  69 }
  70
  71 int
  72 try_mplock(void)
  73 {
  74         panic("XXX try_mplock()");
  75 }
  76
  77 void
  78 rel_mplock(void)
  79 {
  80         panic("XXX rel_mplock()");
  81 }
  82
  83 int
  84 cpu_try_mplock(void)
  85 {
  86         panic("XXX cpu_try_mplock()");
  87 }
  88 void
  89 cpu_get_initial_mplock(void)
  90 {
  91         panic("XXX cpu_get_initial_mplock()");
  92 }
  93 #endif
  94
  95
  96 void
  97 forward_fastint_remote(void *arg)
  98 {
  99         panic("XXX forward_fastint_remote()");
 100 }
 101
 102 void
 103 cpu_send_ipiq(int dcpu)
 104 {
 105         panic("XXX cpu_send_ipiq()");
 106 }
 107
 108 void
 109 smp_invltlb(void)
 110 {
 111 #ifdef SMP
 112         panic("XXX smp_invltlb()");
 113 #endif
 114 }
 115
 116 int
 117 stop_cpus(u_int map)
 118 {
 119         panic("XXX stop_cpus()");
 120 }
 121
 122 int
 123 restart_cpus(u_int map)
 124 {
 125         panic("XXX restart_cpus()");
 126 }
 127
 128 void
 129 ap_init(void)
 130 {
 131         panic("XXX ap_init()");
 132 }
 133
 134