1 #------------------------------------------------------------------------------
3 # Copyright (c) 2006 - 2008, Intel Corporation
4 # All rights reserved. This program and the accompanying materials
5 # are licensed and made available under the terms and conditions of the BSD License
6 # which accompanies this distribution. The full text of the license may be found at
7 # http://opensource.org/licenses/bsd-license.php
9 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 # AsmWriteMsr64 function
22 #------------------------------------------------------------------------------
25 #------------------------------------------------------------------------------
32 #------------------------------------------------------------------------------
33 ASM_GLOBAL ASM_PFX(AsmWriteMsr64)
35 ASM_PFX(AsmWriteMsr64):
36 mov %rdx, %rax # meanwhile, rax <- return value
37 shr $0x20, %rdx # edx:eax contains the value to write