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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. 

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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6
MdeModulePkg/MdeModulePkg.dec
View File

@ -376,12 +376,6 @@
gEdkiiFormBrowserEx2ProtocolGuid = { 0xa770c357, 0xb693, 0x4e6d, { 0xa6, 0xcf, 0xd2, 0x1c, 0x72, 0x8e, 0x55, 0xb } }
[PcdsFeatureFlag]
## Indicates if the Pcd Info Ppi and Protocol should be produced.<BR><BR>
# It can be disabled to save size.<BR><BR>
# TRUE - Pcd Info Ppi and Protocol will be produced.<BR>
# FALSE - Pcd Info Ppi and Protocol will not be produced.<BR>
gEfiMdeModulePkgTokenSpaceGuid.PcdPcdInfoGeneration|FALSE|BOOLEAN|0x0001001C
## Indicate whether platform can support update capsule across a system reset
gEfiMdeModulePkgTokenSpaceGuid.PcdSupportUpdateCapsuleReset|FALSE|BOOLEAN|0x0001001d

8
MdeModulePkg/Universal/PCD/Dxe/Pcd.c
View File

@ -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;
}

1
MdeModulePkg/Universal/PCD/Dxe/Pcd.inf
View File

@ -340,7 +340,6 @@
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdVpdBaseAddress ## SOMETIMES_CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdPcdInfoGeneration
[Depex]
TRUE

4
MdeModulePkg/Universal/PCD/Dxe/Service.c
View File

@ -283,10 +283,6 @@ DxeGetPcdInfo (
UINT32 LocalTokenNumber;
BOOLEAN IsPeiDb;
if (!FeaturePcdGet (PcdPcdInfoGeneration)) {
return EFI_UNSUPPORTED;
}
ASSERT (PcdInfo != NULL);
Status = EFI_NOT_FOUND;

7
MdeModulePkg/Universal/PCD/Pei/Pcd.c
View File

@ -158,9 +158,9 @@ PcdPeimInit (
ASSERT_EFI_ERROR (Status);
//
// Only install PcdInfo PPI when the feature is enabled and PCD info content is present.
// Only install PcdInfo PPI when PCD info content is present.
//
if (FeaturePcdGet (PcdPcdInfoGeneration) && (DataBase->PcdNameTableOffset != 0)) {
if (DataBase->PcdNameTableOffset != 0) {
//
// Install GET_PCD_INFO_PPI and EFI_GET_PCD_INFO_PPI.
//
@ -232,9 +232,6 @@ PeiGetPcdInfoGetSku (
VOID
)
{
if (!FeaturePcdGet (PcdPcdInfoGeneration)) {
return EFI_UNSUPPORTED;
}
return GetPcdDatabase()->SystemSkuId;
}

1
MdeModulePkg/Universal/PCD/Pei/Pcd.inf
View File

@ -343,7 +343,6 @@
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdVpdBaseAddress ## SOMETIMES_CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxPeiPcdCallBackNumberPerPcdEntry || gEfiMdeModulePkgTokenSpaceGuid.PcdPeiFullPcdDatabaseEnable ## SOMETIMES_CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdPcdInfoGeneration
[Depex]
TRUE

4
MdeModulePkg/Universal/PCD/Pei/Service.c
View File

@ -247,10 +247,6 @@ PeiGetPcdInfo (
UINTN PeiNexTokenNumber;
UINT32 LocalTokenNumber;
if (!FeaturePcdGet (PcdPcdInfoGeneration)) {
return EFI_UNSUPPORTED;
}
ASSERT (PcdInfo != NULL);
PeiPcdDb = GetPcdDatabase ();

6
Nt32Pkg/Nt32Pkg.dsc
View File

@ -31,6 +31,12 @@
BUILD_TARGETS = DEBUG|RELEASE
SKUID_IDENTIFIER = DEFAULT
FLASH_DEFINITION = Nt32Pkg/Nt32Pkg.fdf
//
// This flag is to control tool to generate PCD info for dynamic(ex) PCD,
// then enable or disable PCD info feature. TRUE is enable, and FLASE is disable.
// If the flag is absent, it will be same as FALSE.
//
PCD_INFO_GENERATION = TRUE
#
# Defines for default states. These can be changed on the command line.