reactos/boot/freeldr/freeldr/arch/i386/archmach.c

   1 /*
   2  *  FreeLoader
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; either version 2 of the License, or
   7  *  (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License along
  15  *  with this program; if not, write to the Free Software Foundation, Inc.,
  16  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <freeldr.h>
  20
  21 VOID
  22 MachInit(const char *CmdLine)
  23 {
  24   ULONG PciId;
  25
  26   memset(&MachVtbl, 0, sizeof(MACHVTBL));
  27
  28   /* Check for Xbox by identifying device at PCI 0:0:0, if it's
  29    * 0x10de/0x02a5 then we're running on an Xbox */
  30   WRITE_PORT_ULONG((ULONG*) 0xcf8, CONFIG_CMD(0, 0, 0));
  31   PciId = READ_PORT_ULONG((ULONG*) 0xcfc);
  32   if (0x02a510de == PciId)
  33     {
  34       XboxMachInit(CmdLine);
  35     }
  36   else
  37     {
  38       PcMachInit(CmdLine);
  39     }
  40
  41   HalpCalibrateStallExecution();
  42 }
  43
  44 /* EOF */