sys/platform/pc64/amd64/init.c

   1 /*
   2  * Copyright (c) 2006-2008 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/pc64/amd64/init.c,v 1.3 2008/08/29 17:07:10 dillon Exp $
  35  */
  36
  37 #include <sys/types.h>
  38 #include <sys/systm.h>
  39 #include <sys/kernel.h>
  40 #include <sys/stat.h>
  41 #include <sys/mman.h>
  42 #include <sys/cons.h>
  43 #include <sys/random.h>
  44 #include <sys/tls.h>
  45 #include <sys/reboot.h>
  46 #include <sys/proc.h>
  47 #include <sys/msgbuf.h>
  48 #include <sys/vmspace.h>
  49 #include <sys/socket.h>
  50 #include <sys/sockio.h>
  51 #include <sys/sysctl.h>
  52 #include <vm/vm_page.h>
  53
  54 #include <machine/cpu.h>
  55 #include <machine/globaldata.h>
  56 #include <machine/tls.h>
  57 #include <machine/md_var.h>
  58 #include <machine/vmparam.h>
  59
  60 #include <net/if.h>
  61 #include <net/if_arp.h>
  62 #include <net/ethernet.h>
  63 #include <net/bridge/if_bridgevar.h>
  64 #include <netinet/in.h>
  65 #include <arpa/inet.h>
  66
  67 #if JG
  68 struct privatespace CPU_prvspace[];
  69 #endif
  70
  71 vm_paddr_t Maxmem_bytes;
  72 int MemImageFd = -1;
  73 int DiskNum;
  74 int NetifNum;
  75 char *pid_file;
  76 #if JG
  77 u_int tsc_present;
  78 vm_offset_t KvaStart;
  79 vm_offset_t KvaEnd;
  80 vm_offset_t KvaSize;
  81 vm_offset_t virtual_start;
  82 #endif
  83 vm_offset_t crashdumpmap;
  84
  85 static void init_sys_memory(char *imageFile);
  86 static void init_kern_memory(void);
  87 static void init_kernel(void);
  88 static void init_globaldata(void);
  89 static void init_netif(char *netifExp[], int netifFileNum);
  90 static void writepid( void );
  91 static void cleanpid( void );
  92 static void usage(const char *ctl, ...);
  93
  94 /*
  95  * Kernel startup for virtual kernels - standard main()
  96  */
  97 int
  98 main(int ac, char **av)
  99 {
 100         /* NOT REACHED */
 101 }
 102
 103 /*
 104  * Initialize system memory.  This is the virtual kernel's 'RAM'.
 105  */
 106 static
 107 void
 108 init_sys_memory(char *imageFile)
 109 {
 110 }
 111
 112 /*
 113  * Initialize kernel memory.  This reserves kernel virtual memory by using
 114  * MAP_VPAGETABLE
 115  */
 116
 117 static
 118 void
 119 init_kern_memory(void)
 120 {
 121 }
 122
 123 /*
 124  * Map the per-cpu globaldata for cpu #0.  Allocate the space using
 125  * virtual_start and phys_avail[0]
 126  */
 127 static
 128 void
 129 init_globaldata(void)
 130 {
 131 }
 132
 133 /*
 134  * Initialize very low level systems including thread0, proc0, etc.
 135  */
 136 static
 137 void
 138 init_kernel(void)
 139 {
 140 }
 141
 142 void
 143 init_netif(char *netifExp[], int netifExpNum)
 144 {
 145 }
 146
 147 static
 148 void
 149 writepid( void )
 150 {
 151 }
 152
 153 static
 154 void
 155 cleanpid( void )
 156 {
 157 }
 158
 159 static
 160 void
 161 usage(const char *ctl, ...)
 162 {
 163 }
 164
 165 #if JG
 166 void
 167 cpu_reset(void)
 168 {
 169 }
 170
 171 void
 172 cpu_halt(void)
 173 {
 174 }
 175 #endif