blob: a520169ab7996af135fc03c68dc9feb2e893c6a2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
#------------------------------------------------------------------------------
#
# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
# 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:
#
# ReadTsc.S
#
# Abstract:
#
# AsmReadTsc function
#
# Notes:
#
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# UINT64
# EFIAPI
# AsmReadTsc (
# VOID
# );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(AsmReadTsc)
ASM_PFX(AsmReadTsc):
rdtsc
shl $0x20, %rdx
or %rdx, %rax
ret
|
