freeldr/freeldr/freeldr.c

   1 /*
   2  *  FreeLoader
   3  *  Copyright (C) 1998-2003  Brian Palmer  <brianp@sginet.com>
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19
  20 #include <freeldr.h>
  21 #include <rtl.h>
  22 #include <arch.h>
  23 #include <mm.h>
  24 #include <debug.h>
  25 #include <bootmgr.h>
  26 #include <fs.h>
  27
  28 // Variables BootDrive & BootPartition moved to asmcode.S
  29 //U32                           BootDrive = 0;                                                  // BIOS boot drive, 0-A:, 1-B:, 0x80-C:, 0x81-D:, etc.
  30 //U32                           BootPartition = 0;                                              // Boot Partition, 1-4
  31
  32 VOID BootMain(VOID)
  33 {
  34
  35         EnableA20();
  36
  37 #ifdef DEBUG
  38         DebugInit();
  39 #endif
  40
  41         DbgPrint((DPRINT_WARNING, "BootMain() called. BootDrive = 0x%x BootPartition = %d\n", BootDrive, BootPartition));
  42
  43         if (!MmInitializeMemoryManager())
  44         {
  45                 printf("Press any key to reboot.\n");
  46                 getch();
  47                 return;
  48         }
  49
  50         RunLoader();
  51 }