; Copyright (c) 2004, Intel Corporation                                                         
; All rights reserved. This program and the accompanying materials                          
; are licensed and made available under the terms and conditions of the BSD License         
; which accompanies this distribution.  The full text of the license may be found at        
; http://opensource.org/licenses/bsd-license.php                                            
;                                                                                           
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.    
;
; Module Name:
;
;   WriteMsr64.Asm
;
; Abstract:
;
;   AsmWriteMsr64 function
;
; Notes:
;
;------------------------------------------------------------------------------

    .code

;------------------------------------------------------------------------------
; UINT64
; EFIAPI
; AsmWriteMsr64 (
;   IN UINT32  Index,
;   IN UINT64  Value
;   );
;------------------------------------------------------------------------------
AsmWriteMsr64   PROC
    mov     rax, rdx                    ; meanwhile, rax <- return value
    shr     rdx, 20h                    ; edx:eax contains the value to write
    wrmsr
    ret
AsmWriteMsr64   ENDP

    END
