如何读取CPU的序列号？？？

[blcr]

我做了一个控制程序，需要读取CPU的序列号，但我不知道如何读取？请大家帮帮忙！谢谢！！！

[masterz]

__asm{

mov eax,03h
xor ecx,ecx
xor edx,edx
cpuid
mov s1,edx
mov s2,ecx
}
EAX Researved
EBX Researved
ECX Bits00-31 of 96 bit processor serial number(Available in Pentium 3 only)
EDX Bits32-63 of 96 bit processor serial number(Available in Pentium 3 only)

[smch]

#include <stdio.h>
#include <conio.h>

int main(int argc,char **argv)
{
unsigned long s1,s2;
unsigned char vendor_id[]="------------";
char sel;
printf("Select the function:\n1-------Read CPU id.\n2-------Disable CPU id.\n");
sel=getch();
switch(sel)
{
case '1':
_asm
{
xor eax,eax
cpuid
mov dword ptr vendor_id,ebx
mov dword ptr vendor_id[+4],edx
mov dword ptr vendor_id[+8],ecx
}
printf("%s-",vendor_id);
_asm
{
mov eax,01h
xor edx,edx
cpuid
mov s1,edx
mov s2,eax
}
printf("%08X\n%08X-",s1,s2);
_asm
{
mov eax,03h
xor ecx,ecx
xor edx,edx
cpuid
mov s1,edx
mov s2,ecx
}
printf("%08X-%08X\n",s1,s2);
break;
case '2':
_asm
{
mov ecx,119h
rdmsr
or eax,00200000h
wrmsr
}
printf("CPU id is disabled.\n");
break;
}
return 0;
}

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