;*************************************************************************
;*************************************************************************
;**                                                                     **
;**        (C)Copyright 1985-2009, American Megatrends, Inc.            **
;**                                                                     **
;**                       All Rights Reserved.                          **
;**                                                                     **
;**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
;**                                                                     **
;**                       Phone: (770)-246-8600                         **
;**                                                                     **
;*************************************************************************
;*************************************************************************

;*************************************************************************
; $Header: /Alaska/SOURCE/Core/Modules/x64Core/x64AsmLib/WriteMsr.asm 1     10/01/10 5:08p Felixp $
;
; $Revision: 1 $
;
; $Date: 10/01/10 5:08p $
;*************************************************************************
; Revision History
; ----------------
; $Log: /Alaska/SOURCE/Core/Modules/x64Core/x64AsmLib/WriteMsr.asm $
; 
; 1     10/01/10 5:08p Felixp
; 
; 1     8/24/06 12:57p Felixp
; 
;*************************************************************************
;<AMI_FHDR_START>
;
; Name:
;
; Description:
;
;<AMI_FHDR_END>
;*************************************************************************
.code

;*************************************************************************
;<AMI_PHDR_START>
;
; Name: WriteMsr
;
; Description:
;  VOID WriteMsr(IN UINT32 Msr, IN UINT64 Value) writes the Value to the
; supplied MSR index, Msr.
;
; Input:
;  IN UINT32 Msr
; 32-bit MSR index to be written to.
;
;  IN UINT64 Value
; Value to be written to MSR index.
;
; Output:
;  VOID.
;
; Modified:
;
; Referrals:
;
; Notes:
;
;<AMI_PHDR_END>
;*************************************************************************
WriteMsr proc
    ;rcx = MSR
    mov rax, rdx    ;rax = rdx = Value
    and rax, 0ffffffffh     ;Lower 32 bit MSR Value
    shr rdx, 32             ;Upper 32 bit MSR Value
    wrmsr
	ret
WriteMsr endp

END
;*************************************************************************
;*************************************************************************
;**                                                                     **
;**        (C)Copyright 1985-2009, American Megatrends, Inc.            **
;**                                                                     **
;**                       All Rights Reserved.                          **
;**                                                                     **
;**      5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093           **
;**                                                                     **
;**                       Phone: (770)-246-8600                         **
;**                                                                     **
;*************************************************************************