Add in feature flag PcdPeiPcdDatabaseSetEnabled, PcdPeiPcdDatabaseGetSizeEnabled...

[mirror_edk2.git] / EdkModulePkg / Universal / PCD / Pei / Pcd.msa

diff --git a/EdkModulePkg/Universal/PCD/Pei/Pcd.msa b/EdkModulePkg/Universal/PCD/Pei/Pcd.msa
index d169434fc378fd8c084a2b68e7b628e0b5b99ff7..0ae491a85a27ce31e6d421f6d11bc2edb3b72006 100644 (file)
--- a/EdkModulePkg/Universal/PCD/Pei/Pcd.msa
+++ b/EdkModulePkg/Universal/PCD/Pei/Pcd.msa
@@ -1,21 +1,13 @@
-<?xml version="1.0" encoding="UTF-8"?>\r
-<!--Copyright (c) 2006, Intel Corporation
-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.-->\r
-<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">\r
+<?xml version="1.0" encoding="UTF-8"?>\r
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">\r
   <MsaHeader>\r
     <ModuleName>PcdPeim</ModuleName>\r
     <ModuleType>PEIM</ModuleType>\r
     <GuidValue>9B3ADA4F-AE56-4c24-8DEA-F03B7558AE50</GuidValue>\r
     <Version>1.0</Version>\r
     <Abstract>Component description file for Pcd Database PEIM module</Abstract>\r
-    <Description>FIX ME!</Description>\r
-    <Copyright>Copyright (c) 2004-2006, Intel Corporation</Copyright>\r
+    <Description>This DXE driver implement and produce the PCD PPI.</Description>\r
+    <Copyright>Copyright (c) 2006, Intel Corporation</Copyright>\r
     <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
@@ -85,6 +77,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.-->
     </GuidCNames>\r
   </Guids>\r
   <Externs>\r
+    <PcdIsDriver>PEI_PCD_DRIVER</PcdIsDriver>\r
     <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>\r
     <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>\r
     <Extern>\r
@@ -92,20 +85,47 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.-->
     </Extern>\r
   </Externs>\r
   <PcdCoded>\r
-    <PcdEntry PcdItemType="FIXED_AT_BUILD">\r
+    <PcdEntry PcdItemType="FIXED_AT_BUILD" Usage="ALWAYS_CONSUMED">\r
       <C_Name>PcdMaxPeiPcdCallBackNumberPerPcdEntry</C_Name>\r
       <TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>\r
-      <HelpText/>\r
+      <HelpText>The maximum number of callback function, which will be triggered when 
+        a PCD entry is been set, can be registered for a single PCD entry in PEI phase.</HelpText>\r
     </PcdEntry>\r
-    <PcdEntry PcdItemType="FIXED_AT_BUILD">\r
+    <PcdEntry PcdItemType="FIXED_AT_BUILD" Usage="ALWAYS_CONSUMED">\r
       <C_Name>PcdVpdBaseAddress</C_Name>\r
       <TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>\r
-      <HelpText/>\r
+      <HelpText>The base address of the VPD (Vital Product Data) region. It is 
+        normally a region reserved on flash.</HelpText>\r
     </PcdEntry>\r
-    <PcdEntry PcdItemType="FEATURE_FLAG">\r
+    <PcdEntry PcdItemType="FEATURE_FLAG" Usage="ALWAYS_CONSUMED">\r
       <C_Name>PcdPeiPcdDatabaseTraverseEnabled</C_Name>\r
       <TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>\r
-      <HelpText/>\r
+      <HelpText>This feature flag can be used to enable or disable the Pcd PEIM database 
+        traverse capability. Disable it can reduce the size of final image generated.</HelpText>\r
+    </PcdEntry>\r
+    <PcdEntry PcdItemType="FEATURE_FLAG" Usage="ALWAYS_CONSUMED">\r
+      <C_Name>PcdPeiPcdDatabaseCallbackOnSetEnabled</C_Name>\r
+      <TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>\r
+      <DefaultValue>FALSE</DefaultValue>\r
+      <HelpText>This feature flag can be used to enable or disable the Callback On SET capability of PCD service PEIM. If a platform does not register any callback on set  in PEI phase. This flag can be set to DISABLE to save size.</HelpText>\r
+    </PcdEntry>\r
+    <PcdEntry PcdItemType="FEATURE_FLAG" Usage="ALWAYS_CONSUMED">\r
+      <C_Name>PcdPeiPcdDatabaseExEnabled</C_Name>\r
+      <TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>\r
+      <DefaultValue>FALSE</DefaultValue>\r
+      <HelpText>This feature flag can be used to enable or disable the PCD service PEIM to handle DynamicEX PCD. If a platform has no module to use DynamicEX  in PEI phase. This flag can be set to DISABLE to save size.</HelpText>\r
+    </PcdEntry>\r
+    <PcdEntry PcdItemType="FEATURE_FLAG" Usage="ALWAYS_CONSUMED">\r
+      <C_Name>PcdPeiPcdDatabaseGetSizeEnabled</C_Name>\r
+      <TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>\r
+      <DefaultValue>FALSE</DefaultValue>\r
+      <HelpText>This feature flag can be used to enable or disable the GET size capability of PCD service PEIM. If a platform does not do PCD get size operation in PEI phase. This flag can be set to DISABLE to save size.</HelpText>\r
+    </PcdEntry>\r
+    <PcdEntry PcdItemType="FEATURE_FLAG" Usage="ALWAYS_CONSUMED">\r
+      <C_Name>PcdPeiPcdDatabaseSetEnabled</C_Name>\r
+      <TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>\r
+      <DefaultValue>FALSE</DefaultValue>\r
+      <HelpText>This feature flag can be used to enable or disable the SET capability of PCD service PEIM. If a platform does not do PCD SET operation in PEI phase. This flag can be set to DISABLE to save size.</HelpText>\r
     </PcdEntry>\r
   </PcdCoded>\r
 </ModuleSurfaceArea>
\ No newline at end of file