audk/MdePkg/Library/BaseLib/Ia32/ReadTsc.S

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#------------------------------------------------------------------------------
#
# Copyright (c) 2006 - 2008, Intel Corporation
# All rights reserved. This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
# Module Name:
#
# ReadTsc.S
#
# Abstract:
#
# AsmReadTsc function
#
# Notes:
#
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(AsmReadTsc)
#------------------------------------------------------------------------------
# UINT64
# EFIAPI
# AsmReadTsc (
# VOID
# );
#------------------------------------------------------------------------------
ASM_PFX(AsmReadTsc):
rdtsc
ret