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  1. /*
  2.  * Copyright (C) 2005 Josef Cejka
  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 <arch/boot/memmap.h>
  30. #include <arch/mm/memory_init.h>
  31. #include <arch/mm/page.h>
  32. #include <print.h>
  33.  
  34. __u8 e820counter __attribute__ ((section ("BOOT_DATA"))) = 0xff;
  35. struct e820memmap_ e820table[MEMMAP_E820_MAX_RECORDS] __attribute__ ((section ("BOOT_DATA"))) ;
  36.  
  37. size_t get_memory_size(void)
  38. {
  39.     return e801memorysize*1024;
  40. }
  41.  
  42. void memory_print_map(void)
  43. {
  44.     __u8 i;
  45.    
  46.     for (i=0;i<e820counter;i++) {
  47.         printf("E820 base: %Q size: %Q type: ", e820table[i].base_address, e820table[i].size);
  48.         switch (e820table[i].type) {
  49.             case MEMMAP_MEMORY_AVAILABLE:
  50.                 printf("available memory\n");
  51.                 break;
  52.             case MEMMAP_MEMORY_RESERVED:
  53.                 printf("reserved memory\n");
  54.                 break;
  55.             case MEMMAP_MEMORY_ACPI:
  56.                 printf("ACPI table\n");
  57.                 break;
  58.             case MEMMAP_MEMORY_NVS:
  59.                 printf("NVS\n");
  60.                 break;
  61.             case MEMMAP_MEMORY_UNUSABLE:
  62.                 printf("unusable memory\n");
  63.                 break;
  64.             default:
  65.                 printf("undefined memory type\n");
  66.         }
  67.     }
  68.  
  69. }
  70.  
  71.