e8a61b9678
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Shumin Qiu <shumin.qiu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16624 6f19259b-4bc3-4df7-8a09-765794883524
61 lines
2.0 KiB
INI
61 lines
2.0 KiB
INI
## @file
|
|
# Pei Timer Library which uses the Time Stamp Counter in the processor.
|
|
#
|
|
# Note: This library is a sample implementation that depends on chipset ACPI timer.
|
|
# It may not work on new generation chipset. PcAtChipsetPkg AcpiTimerLib is
|
|
# the generic timer library that can replace this one.
|
|
#
|
|
# A version of the Timer Library using the processor's TSC.
|
|
# The time stamp counter in newer processors may support an enhancement, referred to as invariant TSC.
|
|
# The invariant TSC runs at a constant rate in all ACPI P-, C-. and T-states.
|
|
# This is the architectural behavior moving forward.
|
|
# TSC reads are much more efficient and do not incur the overhead associated with a ring transition or
|
|
# access to a platform resource.
|
|
#
|
|
# Copyright (c) 2009 - 2015, 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.
|
|
#
|
|
##
|
|
|
|
[Defines]
|
|
INF_VERSION = 0x00010005
|
|
BASE_NAME = PeiTscTimerLib
|
|
FILE_GUID = 342C36C0-15DF-43b4-9EC9-FBF748BFB3D1
|
|
MODULE_TYPE = PEIM
|
|
VERSION_STRING = 1.0
|
|
LIBRARY_CLASS = TimerLib|PEIM PEI_CORE
|
|
|
|
|
|
#
|
|
# VALID_ARCHITECTURES = IA32 X64
|
|
#
|
|
|
|
[Sources.common]
|
|
TscTimerLibShare.c
|
|
PeiTscTimerLib.c
|
|
TscTimerLibInternal.h
|
|
|
|
|
|
[Packages]
|
|
MdePkg/MdePkg.dec
|
|
PerformancePkg/PerformancePkg.dec
|
|
|
|
|
|
[LibraryClasses]
|
|
PcdLib
|
|
PciLib
|
|
IoLib
|
|
BaseLib
|
|
HobLib
|
|
|
|
[Guids]
|
|
gEfiTscFrequencyGuid ## PRODUCES ## HOB
|
|
|
|
[Pcd.common]
|
|
gPerformancePkgTokenSpaceGuid.PcdPerfPkgAcpiIoPortBaseAddress ## SOMETIMES_CONSUMES
|