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41 lines
1.1 KiB
41 lines
1.1 KiB
4 years ago
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;------------------------------------------------------------------------------
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;
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; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
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; This program and the accompanying materials
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; are licensed and made available under the terms and conditions of the BSD License
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; which accompanies this distribution. The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php.
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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; Module Name:
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;
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; ReadTsc.Asm
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;
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; Abstract:
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;
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; AsmReadTsc function
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;
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; Notes:
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;
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;------------------------------------------------------------------------------
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DEFAULT REL
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SECTION .text
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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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global ASM_PFX(AsmReadTsc)
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ASM_PFX(AsmReadTsc):
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rdtsc
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shl rdx, 0x20
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or rax, rdx
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ret
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