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32 lines
458 B
C
32 lines
458 B
C
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/** @file
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AsmReadTsc function
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Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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/**
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Reads the current value of Time Stamp Counter (TSC).
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Reads and returns the current value of TSC. This function is only available
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on IA-32 and x64.
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@return The current value of TSC
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**/
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UINT64
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EFIAPI
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AsmReadTsc (
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VOID
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)
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{
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_asm {
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rdtsc
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}
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}
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