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;------------------------------------------------------------------------------
;
; Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
; Module Name:
;
; XSetBv.nasm
;
; Abstract:
;
; AsmXSetBv function
;
; Notes:
;
;------------------------------------------------------------------------------
DEFAULT REL
SECTION .text
;------------------------------------------------------------------------------
; UINT64
; EFIAPI
; AsmXSetBv (
; IN UINT32 Index,
; IN UINT64 Value
; );
;------------------------------------------------------------------------------
global ASM_PFX(AsmXSetBv)
ASM_PFX(AsmXSetBv):
mov rax, rdx ; meanwhile, rax <- return value
shr rdx, 0x20 ; edx:eax contains the value to write
xsetbv
ret
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