diff options
Diffstat (limited to 'PerformancePkg/Library/TscTimerLib/PeiTscTimerLib.inf')
-rw-r--r-- | PerformancePkg/Library/TscTimerLib/PeiTscTimerLib.inf | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/PerformancePkg/Library/TscTimerLib/PeiTscTimerLib.inf b/PerformancePkg/Library/TscTimerLib/PeiTscTimerLib.inf index c921272585..3f39d84e07 100644 --- a/PerformancePkg/Library/TscTimerLib/PeiTscTimerLib.inf +++ b/PerformancePkg/Library/TscTimerLib/PeiTscTimerLib.inf @@ -1,6 +1,10 @@ ## @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.
@@ -8,7 +12,7 @@ # 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 - 2011, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2009 - 2014, 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
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