X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseTimerLibLocalApic%2FBaseTimerLibLocalApic.msa;h=539021dd93ed9048492bde16f02b46badc441bde;hp=144a6f19bd9ed260bcf8d07af0111afa832043b9;hb=3401c092e4e98b97bcf86d9aa2500d5ee7b3b8cf;hpb=1fe4ef1bd813e285525a257af43ddbbcb8018b54

diff --git a/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa b/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa
index 144a6f19bd..539021dd93 100644
--- a/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa
+++ b/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa
@@ -1,19 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <MsaHeader>
     <ModuleName>BaseTimerLibLocalApic</ModuleName>
     <ModuleType>BASE</ModuleType>
     <GuidValue>b5a05743-9b71-489b-a0ed-a0eb3950d23b</GuidValue>
     <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>
+    <Description>Timer Library that only uses CPU resources to provide calibrated
+      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
-      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,
+    <License>All rights reserved. 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.</License>
     <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION   0x00000052</Specification>
   </MsaHeader>
@@ -35,12 +37,13 @@
     <LibraryClass Usage="ALWAYS_CONSUMED">
       <Keyword>DebugLib</Keyword>
     </LibraryClass>
+    <LibraryClass Usage="ALWAYS_CONSUMED">
+      <Keyword>PcdLib</Keyword>
+    </LibraryClass>
   </LibraryClassDefinitions>
   <SourceFiles>
     <Filename SupArchList="IA32">x86TimerLib.c</Filename>
     <Filename SupArchList="X64">x86TimerLib.c</Filename>
-    <Filename SupArchList="IPF">Ipf/PalCallStatic.s</Filename>
-    <Filename SupArchList="IPF">Ipf/ReadItc.s</Filename>
     <Filename SupArchList="IPF">Ipf/IpfTimerLib.c</Filename>
     <Filename SupArchList="EBC">Ebc/EbcTimerLib.c</Filename>
   </SourceFiles>
@@ -51,4 +54,11 @@
     <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
     <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
   </Externs>
+  <PcdCoded>
+    <PcdEntry PcdItemType="FIXED_AT_BUILD" Usage="ALWAYS_CONSUMED">
+      <C_Name>PcdFSBClock</C_Name>
+      <TokenSpaceGuidCName>gEfiMdePkgTokenSpaceGuid</TokenSpaceGuidCName>
+      <HelpText>This value is FSB Clock frequency. Its unit is Hz and its default value is 200000000, that means FSB frequency is 200Mhz.</HelpText>
+    </PcdEntry>
+  </PcdCoded>
 </ModuleSurfaceArea>
\ No newline at end of file