mirror of https://github.com/acidanthera/audk.git
35 lines
768 B
NASM
35 lines
768 B
NASM
;------------------------------------------------------------------------------
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;
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; Copyright (C) 2020, Advanced Micro Devices, Inc. All rights reserved.<BR>
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; SPDX-License-Identifier: BSD-2-Clause-Patent
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;
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; Module Name:
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;
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; XGetBv.Asm
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;
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; Abstract:
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;
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; AsmXgetBv 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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; AsmXGetBv (
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; IN UINT32 Index
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; );
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;------------------------------------------------------------------------------
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global ASM_PFX(AsmXGetBv)
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ASM_PFX(AsmXGetBv):
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xgetbv
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shl rdx, 32
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or rax, rdx
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ret
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