CloverBootloader/MdePkg/Library/BaseLib/X64/ReadPmc.nasm
2019-09-03 12:58:42 +03:00

35 lines
768 B
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
; Module Name:
;
; ReadPmc.Asm
;
; Abstract:
;
; AsmReadPmc function
;
; Notes:
;
;------------------------------------------------------------------------------
DEFAULT REL
SECTION .text
;------------------------------------------------------------------------------
; UINT64
; EFIAPI
; AsmReadPmc (
; IN UINT32 PmcIndex
; );
;------------------------------------------------------------------------------
global ASM_PFX(AsmReadPmc)
ASM_PFX(AsmReadPmc):
rdpmc
shl rdx, 0x20
or rax, rdx
ret