Author: Matthias Gemuh
Date: 06:43:17 04/18/04
Go up one level in this thread
On April 18, 2004 at 07:47:28, Omid David Tabibi wrote:
>On April 18, 2004 at 07:23:51, Matthias Gemuh wrote:
>
>>
>>Hi Windows programmers,
>>how do you detect whether processor is from AMD or Intel ?
>
>Use the "cpuid" assembly instruction if you are working on x86:
>
> // machine info
> int str1, str2, str3;
> __asm {
> mov eax, 00h
> cpuid
> mov str1, ebx
> mov str2, edx
> mov str3, ecx
> }
> sprintf(vendorId, "%c%c%c%c%c%c%c%c%c%c%c%c",
> (str1), (str1 >> 8), (str1 >> 16), (str1 >> 24),
> (str2), (str2 >> 8), (str2 >> 16), (str2 >> 24),
> (str3), (str3 >> 8), (str3 >> 16), (str3 >> 24));
>
>
>vendorId is a string containing the processor name. It will be GenuineIntel or
>AuthenticAMD.
>
>
>
>
>
>>Thanks,
>>Matthias
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