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 #include <freeldr.h>
  20
  21 #define NDEBUG
  22 #include <debug.h>
  23
  24 /* Page Directory and Tables for non-PAE Systems */
  25 extern ULONG_PTR NextModuleBase;
  26 extern ULONG_PTR KernelBase;
  27 ULONG_PTR GdtBase, IdtBase, TssBase;
  28 extern ROS_KERNEL_ENTRY_POINT KernelEntryPoint;
  29
  30 PPAGE_DIRECTORY_AMD64 pPML4;
  31 PVOID pIdt, pGdt;
  32
  33 /* FUNCTIONS *****************************************************************/
  34
  35 void
  36 EnableA20()
  37 {
  38     /* Already done */
  39 }
  40
  41 /*++
  42  * FrLdrStartup
  43  * INTERNAL
  44  *
  45  *     Prepares the system for loading the Kernel.
  46  *
  47  * Params:
  48  *     Magic - Multiboot Magic
  49  *
  50  * Returns:
  51  *     None.
  52  *
  53  * Remarks:
  54  *     None.
  55  *
  56  *--*/
  57 VOID
  58 NTAPI
  59 FrLdrStartup(ULONG Magic)
  60 {
  61         DbgPrint("ReactOS loader is unsupported! Halting.\n", KernelEntryPoint);
  62     for(;;);
  63 }
  64