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Compute the number of ticks to wait to measure TSC frequency. Instead of (ACPI_TIMER_FREQUENCY / 10000) = 357 and 357 * 10000 = 3570000, use 363 * 9861 = 3579543 Hz which is within 2 Hz of ACPI_TIMER_FREQUENCY. 363 counts is a calibration time of 101.4 uS. The idea comes from Michael and Paolo. Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Liming Gao <liming.gao@intel.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Paul A Lohr <paul.a.lohr@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
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Acidanthera UEFI Development Kit based on EDK II edk2-stable202405
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