GetCpuID

GetCpuID.c

BOOL GetCpuID(char *szCPU, int nSize)
{
    BYTE szCpu[16]  = {0};
    UINT uCpuID = 0U;
    
    try {
        _asm {
            mov eax, 0
            cpuid
            mov dword ptr szCpu[0], ebx
            mov dword ptr szCpu[4], edx
            mov dword ptr szCpu[8], ecx
            mov eax, 1
            cpuid
            mov uCpuID, edx
        }
    } catch (...) {
       return FALSE;
    }

    #define BUF_SIZE 1024
    char szBuf[BUF_SIZE] = {0};
    sprintf_s(szBuf, BUF_SIZE, "CPU_ID=[%08X],CPU_INFO=[", uCpuID);

    for (int i = 0; i < 12; i++) {
        char szTmp[4] = {0};
        sprintf_s(szTmp, "%02X", szCpu[i]);
        strcat_s(szBuf, BUF_SIZE, szTmp);
    }

    strcat_s(szBuf, BUF_SIZE, "],");
    strcpy_s(szCPU, nSize, szBuf);

    return TRUE;
}