mirror of https://github.com/acidanthera/audk.git
34 lines
854 B
C
34 lines
854 B
C
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/** @file
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AsmMwait function
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Copyright (c) 2006, Intel Corporation<BR>
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All rights reserved. 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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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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#if _MSC_EXTENSIONS
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UINTN
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EFIAPI
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AsmMwait (
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IN UINTN RegisterEax,
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IN UINTN RegisterEcx
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)
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{
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_asm {
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mov eax, RegisterEax
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mov ecx, RegisterEcx
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_emit 0x0f // mwait
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_emit 0x01
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_emit 0xC9
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}
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}
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#endif
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