1long sys_reboot(int magic1, int magic2, int cmd, void * arg)
2{
3  switch (cmd) {
4  case 0x89ABCDEF:
5    return 1;
6
7  case 0x00000000:
8    return 2;
9
10  case 0xCDEF0123:
11    return 3;
12
13  case 0x4321FEDC:
14    return 4;
15
16  case 0xA1B2C3D4:
17    return 5;
18
19  default:
20    return 0;
21  };
22}
23