CloverBootloader/MdePkg/Library/BaseLib/Ia32/WriteMsr64.nasm

36 lines
825 B
NASM
Raw Normal View History

;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
; Module Name:
;
; WriteMsr64.Asm
;
; Abstract:
;
; AsmWriteMsr64 function
;
; Notes:
;
;------------------------------------------------------------------------------
SECTION .text
;------------------------------------------------------------------------------
; UINT64
; EFIAPI
; AsmWriteMsr64 (
; IN UINT32 Index,
; IN UINT64 Value
; );
;------------------------------------------------------------------------------
global ASM_PFX(AsmWriteMsr64)
ASM_PFX(AsmWriteMsr64):
mov edx, [esp + 12]
mov eax, [esp + 8]
mov ecx, [esp + 4]
wrmsr
ret