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MdeModulePkg and Nt32Pkg Pcd: Add the new EFI_GET_PCD_INFO_PROTOCOL and EFI_GET_PCD_INFO_PPI support for PI 1.2.1 compliance.

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It has no obviously benefit to reduce size by PcdPcdInfoGeneration, so remove this PCD.
And PCD_INFO_GENERATION flag can be used to enable/disable PCD info feature, a sample is added in Nt32Pkg to show how to use this flag.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14869 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng
2013-11-20 02:04:23 +00:00
committed by lzeng14
parent a4d5fa17f4
commit 61d8989f87
8 changed files with 12 additions and 25 deletions
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8
MdeModulePkg/Universal/PCD/Dxe/Pcd.c
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@@ -150,7 +150,10 @@ PcdDxeInit (
);
ASSERT_EFI_ERROR (Status);
if (FeaturePcdGet (PcdPcdInfoGeneration) && mPcdDatabase.DxeDb->PcdNameTableOffset != 0) {
//
// Only install PcdInfo PROTOCOL when PCD info content is present.
//
if (mPcdDatabase.DxeDb->PcdNameTableOffset != 0) {
//
// Install GET_PCD_INFO_PROTOCOL to handle dynamic type PCD
// Install EFI_GET_PCD_INFO_PROTOCOL to handle dynamicEx type PCD
@@ -228,9 +231,6 @@ DxeGetPcdInfoGetSku (
VOID
)
{
if (!FeaturePcdGet (PcdPcdInfoGeneration)) {
return EFI_UNSUPPORTED;
}
return mPcdDatabase.PeiDb->SystemSkuId;
}