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  1. /*
  2.  * Copyright (C) 2001-2004 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include <mm/frame.h>
  30. #include <arch/mm/frame.h>
  31. #include <mm/vm.h>
  32. #include <config.h>
  33. #include <arch/boot/memmap.h>
  34.  
  35. #include <print.h>
  36.  
  37. void frame_arch_init(void)
  38. {
  39.     __u8 i;
  40.    
  41.     if (config.cpu_active == 1) {
  42.         frame_not_free(0x0);
  43.  
  44.         frame_region_not_free(0xa0000,0xff000);
  45.         frame_region_not_free(0xfec00000,0xffffffff);
  46.        
  47.         /* This is a nasty hack, which should be fixed soon */
  48.         frame_region_not_free(0x9000, 0xa000);
  49.        
  50.         for (i=e820counter;i>0;i--) {
  51.             if (e820table[i-1].type!=MEMMAP_MEMORY_AVAILABLE) {
  52.                 frame_region_not_free(e820table[i-1].base_address,e820table[i-1].size);
  53.                 }
  54.             }
  55.     }
  56. }
  57.