//
// Perform TSC and FSB calculations. This is traditionally done in tsc.c in XNU.
//
// For AMD Processors
if (CpuInfo->Family == 0xF && (CpuInfo->ExtFamily == 0x8 || CpuInfo->ExtFamily == 0xA)) {
DEBUG ((DEBUG_INFO, "OCAK: Setting FSB and TSC for Family 0x%x and ExtFamily 0x%x\n", (UINT16)CpuInfo->Family, (UINT16)CpuInfo->ExtFamily));
busFreqValue = CpuInfo->FSBFrequency;
busFCvtt2nValue = DivU64x64Remainder ((1000000000ULL << 32), busFreqValue, NULL);
busFCvtn2tValue = DivU64x64Remainder(((1000000000ULL) << 32), busFCvtt2nValue, NULL);
tscFreqValue = CpuInfo->CPUFrequency;
tscFCvtt2nValue = DivU64x64Remainder ((1000000000ULL << 32), tscFreqValue, NULL);
tscFCvtn2tValue = DivU64x64Remainder(((1000000000ULL) << 32), tscFCvtt2nValue, NULL);
}
// For all other processors
else {
busFreqValue = CpuInfo->FSBFrequency;
busFCvtt2nValue = DivU64x64Remainder ((1000000000ULL << 32), busFreqValue, NULL);
busFCvtn2tValue = DivU64x64Remainder (0xFFFFFFFFFFFFFFFFULL, busFCvtt2nValue, NULL);
tscFreqValue = CpuInfo->CPUFrequency;
tscFCvtt2nValue = DivU64x64Remainder ((1000000000ULL << 32), tscFreqValue, NULL);
tscFCvtn2tValue = DivU64x64Remainder (0xFFFFFFFFFFFFFFFFULL, tscFCvtt2nValue, NULL);
}