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Add PCD Feature Flags to control which decompression method(s) are included in the DXE IPL. The choices are any combination of EFI, Tiano, and Custom decompression. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1569 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney 2006-09-19 19:10:41 +00:00
parent f47629a482
commit e29d70965d
2 changed files with 40 additions and 15 deletions
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35
EdkModulePkg/Core/DxeIplX64Peim/DxeIplX64.msa
View File

@ -1,13 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
<!--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.-->
<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>DxeIplX64</ModuleName>
<ModuleType>PEIM</ModuleType>
@ -72,6 +64,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.-->
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>MemoryAllocationLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PcdLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>DxeIpl.dxs</Filename>
@ -136,4 +131,24 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.-->
<ModuleEntryPoint>PeimInitializeDxeIpl</ModuleEntryPoint>
</Extern>
</Externs>
</ModuleSurfaceArea>
<PcdCoded>
<PcdEntry PcdItemType="FEATURE_FLAG" Usage="ALWAYS_CONSUMED">
<C_Name>PcdDxeIplSupportEfiDecompress</C_Name>
<TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>
<DefaultValue>TRUE</DefaultValue>
<HelpText>If this feature is enabled, then the DXE IPL must support decompressing files compressed with the EFI Compression algorithm</HelpText>
</PcdEntry>
<PcdEntry PcdItemType="FEATURE_FLAG" Usage="ALWAYS_CONSUMED">
<C_Name>PcdDxeIplSupportTianoDecompress</C_Name>
<TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>
<DefaultValue>TRUE</DefaultValue>
<HelpText>If this feature is enabled, then the DXE IPL must support decompressing files compressed with the Tiano Compression algorithm</HelpText>
</PcdEntry>
<PcdEntry PcdItemType="FEATURE_FLAG" Usage="ALWAYS_CONSUMED">
<C_Name>PcdDxeIplSupportCustomDecompress</C_Name>
<TokenSpaceGuidCName>gEfiEdkModulePkgTokenSpaceGuid</TokenSpaceGuidCName>
<DefaultValue>TRUE</DefaultValue>
<HelpText>If this feature is enabled, then the DXE IPL must support decompressing files compressed with the Custom Compression algorithm</HelpText>
</PcdEntry>
</PcdCoded>
</ModuleSurfaceArea>

20
EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c
View File

@ -62,17 +62,17 @@ static EFI_PEI_PPI_DESCRIPTOR mPpiSignal = {
NULL
};
DECOMPRESS_LIBRARY gEfiDecompress = {
GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gEfiDecompress = {
UefiDecompressGetInfo,
UefiDecompress
};
DECOMPRESS_LIBRARY gTianoDecompress = {
GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gTianoDecompress = {
TianoDecompressGetInfo,
TianoDecompress
};
DECOMPRESS_LIBRARY gCustomDecompress = {
GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gCustomDecompress = {
CustomDecompressGetInfo,
CustomDecompress
};
@ -842,14 +842,24 @@ Returns:
switch (CompressionSection->CompressionType) {
case EFI_STANDARD_COMPRESSION:
DecompressLibrary = &gTianoDecompress;
if (FeaturePcdGet (PcdDxeIplSupportTianoDecompress)) {
DecompressLibrary = &gTianoDecompress;
} else {
ASSERT (FALSE);
return EFI_NOT_FOUND;
}
break;
case EFI_CUSTOMIZED_COMPRESSION:
//
// Load user customized compression protocol.
//
DecompressLibrary = &gCustomDecompress;
if (FeaturePcdGet (PcdDxeIplSupportCustomDecompress)) {
DecompressLibrary = &gCustomDecompress;
} else {
ASSERT (FALSE);
return EFI_NOT_FOUND;
}
break;
case EFI_NOT_COMPRESSED: