Initial import.

[mirror_edk2.git] / MdePkg / Library / BaseLib / ia32 / ReadMsr64.asm

;------------------------------------------------------------------------------\r
;\r
; Copyright (c) 2006, Intel Corporation\r
; All rights reserved. This program and the accompanying materials\r
; are licensed and made available under the terms and conditions of the BSD License\r
; which accompanies this distribution.  The full text of the license may be found at\r
; http://opensource.org/licenses/bsd-license.php\r
;\r
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
;\r
; Module Name:\r
;\r
;   ReadMsr64.Asm\r
;\r
; Abstract:\r
;\r
;   AsmReadMsr64 function\r
;\r
; Notes:\r
;\r
;------------------------------------------------------------------------------\r
\r
    .586P\r
    .model  flat\r
    .code\r
\r
;------------------------------------------------------------------------------\r
; UINT32\r
; EFIAPI\r
; AsmReadMsr32 (\r
;   IN UINT32  Index\r
;   );\r
;------------------------------------------------------------------------------\r
_AsmReadMsr32   PROC\r
    ;\r
    ; AsmReadMsr32 shares the same implementation with AsmReadMsr64 and thus no\r
    ; code inside this function\r
    ;\r
_AsmReadMsr32   ENDP\r
\r
;------------------------------------------------------------------------------\r
; UINT64\r
; EFIAPI\r
; AsmReadMsr64 (\r
;   IN UINT64  Index\r
;   );\r
;------------------------------------------------------------------------------\r
_AsmReadMsr64   PROC\r
    mov     ecx, [esp + 4]\r
    rdmsr\r
    ret\r
_AsmReadMsr64   ENDP\r
\r
    END\r