diff options
| -rw-r--r-- | MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa b/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa index 23479e0b4f..1b086b2841 100644 --- a/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa +++ b/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa @@ -7,7 +7,9 @@ <Version>1.0</Version>
<Abstract>Component description file for Baser Timer Library</Abstract>
<Description>Timer Library that only uses CPU resources to provide calibrated - delays on IA-32 and x64.</Description>
+ delays on IA-32 and x64. Note: Because CpuLocalApci timer could be programmed
+ by OS, it cannot be used by SMM drivers and runtime drivers, ACPI timer is
+ recommended for SMM drivers and runtime drivers.</Description>
<Copyright>Copyright (c) 2006, Intel Corporation.</Copyright>
<License>All rights reserved. This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License @@ -23,7 +25,7 @@ <OutputFileBasename>BaseTimerLibLocalApic</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
- <LibraryClass Usage="ALWAYS_PRODUCED">
+ <LibraryClass Usage="ALWAYS_PRODUCED" SupModuleList="BASE SEC PEI_CORE PEIM DXE_CORE DXE_DRIVER UEFI_DRIVER UEFI_APPLICATION">
<Keyword>TimerLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
|