Are there HALs that use High Precision Event Timer for KeQueryPerformanceCounter?

NTDEV
1

There is a spec for the High Precision Event Timer:
http://www.intel.com/labs/platcomp/hpet/hpetspec.htm
http://www.microsoft.com/whdc/system/CEC/mm-timer.mspx

Already there are chipsets that have the High Precision Event Timer.
So are there Windows HALs that use the High Precision Event Timer for
implementing KeQueryPerformanceCounter?

Dmitriy Budko, VMware

2

There are in Longhorn, yes.

–
Jake Oshins
Windows Kernel Group

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“Dmitriy Budko” wrote in message news:xxxxx@ntdev…
There is a spec for the High Precision Event Timer:
http://www.intel.com/labs/platcomp/hpet/hpetspec.htm
http://www.microsoft.com/whdc/system/CEC/mm-timer.mspx

Already there are chipsets that have the High Precision Event Timer.
So are there Windows HALs that use the High Precision Event Timer for
implementing KeQueryPerformanceCounter?

Dmitriy Budko, VMware