reactos/boot/freeldr/freeldr/arch/amd64/loader.c

   1 /*
   2  *  FreeLoader
   3  *  Copyright (C) 2008 - 2009 Timo Kreuzer (timo.kreuzer@reactor.org)
   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 along
  16  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19 #define _NTSYSTEM_
  20 #include <freeldr.h>
  21
  22 #define NDEBUG
  23 #include <debug.h>
  24
  25 /* Page Directory and Tables for non-PAE Systems */
  26 extern ULONG_PTR NextModuleBase;
  27 extern ULONG_PTR KernelBase;
  28 ULONG_PTR GdtBase, IdtBase, TssBase;
  29 extern ROS_KERNEL_ENTRY_POINT KernelEntryPoint;
  30
  31 PPAGE_DIRECTORY_AMD64 pPML4;
  32 PVOID pIdt, pGdt;
  33
  34 /* FUNCTIONS *****************************************************************/
  35
  36 void
  37 EnableA20()
  38 {
  39     /* Already done */
  40 }
  41
  42 /*++
  43  * FrLdrStartup
  44  * INTERNAL
  45  *
  46  *     Prepares the system for loading the Kernel.
  47  *
  48  * Params:
  49  *     Magic - Multiboot Magic
  50  *
  51  * Returns:
  52  *     None.
  53  *
  54  * Remarks:
  55  *     None.
  56  *
  57  *--*/
  58 VOID
  59 NTAPI
  60 FrLdrStartup(ULONG Magic)
  61 {
  62         DbgPrint("ReactOS loader is unsupported! Halting.\n", KernelEntryPoint);
  63     for(;;);
  64 }
  65