audk/MdePkg/Library/BaseLib/Ia32/ReadMsr64.asm

56 lines
1.5 KiB
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006, 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:
;
; ReadMsr64.Asm
;
; Abstract:
;
; AsmReadMsr64 function
;
; Notes:
;
;------------------------------------------------------------------------------
.586P
.model flat
.code
;------------------------------------------------------------------------------
; UINT32
; EFIAPI
; AsmReadMsr32 (
; IN UINT32 Index
; );
;------------------------------------------------------------------------------
_AsmReadMsr32 PROC
;
; AsmReadMsr32 shares the same implementation with AsmReadMsr64 and thus no
; code inside this function
;
_AsmReadMsr32 ENDP
;------------------------------------------------------------------------------
; UINT64
; EFIAPI
; AsmReadMsr64 (
; IN UINT64 Index
; );
;------------------------------------------------------------------------------
_AsmReadMsr64 PROC
mov ecx, [esp + 4]
rdmsr
ret
_AsmReadMsr64 ENDP
END