boot/freeldr/freeldr/arch/i386/mb.S

   1 /*
   2  *  FreeLoader
   3  *  Copyright (C) 1998-2002  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 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
  20 #include <asm.inc>
  21 #include <arch/pc/x86common.h>
  22 #include <multiboot.h>
  23
  24 .code32
  25 PUBLIC _PageDirectoryStart
  26
  27 PUBLIC _startup_pagedirectory
  28 PUBLIC _lowmem_pagetable
  29 PUBLIC _kernel_pagetable
  30 PUBLIC _apic_pagetable
  31 PUBLIC _PageDirectoryEnd
  32
  33 #ifndef _USE_ML
  34 .bss
  35 #endif
  36 _PageDirectoryStart:
  37 _startup_pagedirectory:
  38         .fill 4096, 1, 0
  39
  40 _lowmem_pagetable:
  41         .fill 4096, 1, 0
  42
  43 _kernel_pagetable:
  44         .fill 2*4096, 1, 0
  45
  46 _apic_pagetable:
  47         .fill 4096, 1, 0
  48
  49 _PageDirectoryEnd:
  50
  51 END