sravan/system76-edk2
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Add in feature flag PcdPeiPcdDatabaseSetEnabled, PcdPeiPcdDatabaseGetSizeEnabled, PcdPeiPcdDatabaseCallbackOnSetEnabled, PcdPeiPcdDatabaseExEnabled to allow user to customize Pcd service PEIM. It is very curical to save size in PEI phase.

Browse Source 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1408 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qwang12
2006-08-30 09:11:34 +00:00
parent e3e8956d13
commit f89f5802f8
5 changed files with 321 additions and 118 deletions
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16
EdkModulePkg/Universal/PCD/Pei/Pcd.c
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@ -174,6 +174,10 @@ PeiPcdGetSize (
UINTN Size;
UINTN MaxSize;
if (!FeaturePcdGet(PcdPeiPcdDatabaseGetSizeEnabled)) {
return EFI_UNSUPPORTED;
}
PeiPcdDb = GetPcdDatabase ();
//
// TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.
@ -281,6 +285,10 @@ PeiPcdGetSizeEx (
IN UINTN ExTokenNumber
)
{
if ((!FeaturePcdGet (PcdPeiPcdDatabaseGetSizeEnabled)) || !FeaturePcdGet (PcdPeiPcdDatabaseExEnabled)) {
return EFI_UNSUPPORTED;
}
return PeiPcdGetSize (GetExPcdTokenNumber (Guid, ExTokenNumber));
}
@ -446,6 +454,10 @@ PeiRegisterCallBackOnSet (
IN PCD_PPI_CALLBACK CallBackFunction
)
{
if (!FeaturePcdGet(PcdPeiPcdDatabaseCallbackOnSetEnabled)) {
return EFI_UNSUPPORTED;
}
ASSERT (CallBackFunction != NULL);
return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, TRUE);
@ -461,6 +473,10 @@ PcdUnRegisterCallBackOnSet (
IN PCD_PPI_CALLBACK CallBackFunction
)
{
if (!FeaturePcdGet(PcdPeiPcdDatabaseCallbackOnSetEnabled)) {
return EFI_UNSUPPORTED;
}
ASSERT (CallBackFunction != NULL);
return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, FALSE);