CHNOSProject/chnos/tolset_chn_000/chnos_008/chnos/uuid.c

   1 \r
   2 #include "core.h"\r
   3 \r
   4 void gen_UUID(UUID *uuid)\r
   5 {\r
   6         uint tsc[2];\r
   7 \r
   8         /*from date*/\r
   9         srand((uint)readcmos(0x32));\r
  10         uuid->data[0] = (uchar)rand();\r
  11 \r
  12         srand((uint)readcmos(0x09));\r
  13         uuid->data[1] = (uchar)rand();\r
  14 \r
  15         srand((uint)readcmos(0x08));\r
  16         uuid->data[2] = (uchar)rand();\r
  17 \r
  18         srand((uint)readcmos(0x07));\r
  19         uuid->data[3] = (uchar)rand();\r
  20 \r
  21         srand((uint)readcmos(0x04));\r
  22         uuid->data[4] = (uchar)rand();\r
  23 \r
  24         srand((uint)readcmos(0x02));\r
  25         uuid->data[5] = (uchar)rand();\r
  26 \r
  27         srand((uint)readcmos(0x00));\r
  28         uuid->data[6] = (uchar)rand();\r
  29 \r
  30         /*from tsc*/\r
  31         read_tsc(tsc);\r
  32         srand((uint)(tsc[0] & 0x000000ff));\r
  33         uuid->data[7] = (uchar)rand();\r
  34 \r
  35         read_tsc(tsc);\r
  36         srand((uint)(tsc[0] & 0x0000ff00) >> 8);\r
  37         uuid->data[8] = (uchar)rand();\r
  38 \r
  39         read_tsc(tsc);\r
  40         srand((uint)(tsc[0] & 0x00ff0000) >> 16);\r
  41         uuid->data[9] = (uchar)rand();\r
  42 \r
  43         read_tsc(tsc);\r
  44         srand((uint)(tsc[0] >> 24));\r
  45         uuid->data[10] = (uchar)rand();\r
  46 \r
  47         read_tsc(tsc);\r
  48         srand((uint)(tsc[1] & 0x000000ff));\r
  49         uuid->data[11] = (uchar)rand();\r
  50 \r
  51         read_tsc(tsc);\r
  52         srand((uint)(tsc[1] & 0x0000ff00) >> 8);\r
  53         uuid->data[12] = (uchar)rand();\r
  54 \r
  55         read_tsc(tsc);\r
  56         srand((uint)(tsc[1] & 0x00ff0000) >> 16);\r
  57         uuid->data[13] = (uchar)rand();\r
  58 \r
  59         read_tsc(tsc);\r
  60         srand((uint)(tsc[1] >> 24));\r
  61         uuid->data[14] = (uchar)rand();\r
  62 \r
  63         read_tsc(tsc);\r
  64         uuid->data[15] = (uchar)(tsc[1] & 0x000000ff);\r
  65 \r
  66         return;\r
  67 }\r