arch/x86/e820.cpp

   1 #include "e820.h"
   2
   3 using namespace arch;
   4
   5 e820_record *e820data;
   6
   7 unsigned int arch::get_memory_size() {
   8         e820data = (e820_record*)0x10000;
   9
  10         u32 mem_size = 0;
  11
  12         for (int i = 0; e820data[i].type; i++)
  13                 mem_size += (u32)e820data[i].length;
  14
  15         return mem_size;
  16 }
  17
  18 unsigned int arch::get_free_memory_size() {
  19         e820data = (e820_record*)0x10000;
  20
  21         u32 mem_size = 0;
  22
  23         for (int i = 0; e820data[i].type; i++)
  24                 if (e820data[i].type == e820_free)
  25                         mem_size += (u32)e820data[i].length;
  26
  27         return mem_size;
  28 }
  29