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After PeiCore is shadowed into permanent memory, the pointers to build-in Ffs2 FvPpi should be also fixed up to be pointed to the one in permanent memory. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9508 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2 2009-12-03 02:48:05 +00:00
parent 99c55b5c93
commit 8e0e40ed3d
3 changed files with 63 additions and 0 deletions
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2
MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c
View File

@ -721,6 +721,8 @@ InitializeDispatcherData (
if (OldCoreData == NULL) {
PrivateData->PeimDispatcherReenter = FALSE;
PeiInitializeFv (PrivateData, SecCoreData);
} else {
PeiReinitializeFv (PrivateData);
}
return;

48
MdeModulePkg/Core/Pei/FwVol/FwVol.c
View File

@ -1374,3 +1374,51 @@ FindNextCoreFvHandle (
return &Private->Fv[Instance];
}
/**
After PeiCore image is shadowed into permanent memory, all build-in FvPpi should
be re-installed with the instance in permanent memory and all cached FvPpi pointers in
PrivateData->Fv[] array should be fixed up to be pointed to the one in permenant
memory.
@param PrivateData Pointer to PEI_CORE_INSTANCE.
**/
VOID
PeiReinitializeFv (
IN PEI_CORE_INSTANCE *PrivateData
)
{
VOID *OldFfs2FvPpi;
EFI_PEI_PPI_DESCRIPTOR *OldDescriptor;
UINTN Index;
EFI_STATUS Status;
//
// Locate old build-in Ffs2 EFI_PEI_FIRMWARE_VOLUME_PPI which
// in flash.
//
Status = PeiServicesLocatePpi (
&gEfiFirmwareFileSystem2Guid,
0,
&OldDescriptor,
&OldFfs2FvPpi
);
ASSERT_EFI_ERROR (Status);
//
// Re-install the EFI_PEI_FIRMWARE_VOLUME_PPI for build-in Ffs2
// which is shadowed from flash to permanent memory within PeiCore image.
//
Status = PeiServicesReInstallPpi (OldDescriptor, &mPeiFfs2FvPpiList);
ASSERT_EFI_ERROR (Status);
//
// Fixup all FvPpi pointers for the implementation in flash to permanent memory.
//
for (Index = 0; Index < FixedPcdGet32 (PcdPeiCoreMaxFvSupported); Index ++) {
if (PrivateData->Fv[Index].FvPpi == OldFfs2FvPpi) {
PrivateData->Fv[Index].FvPpi = &mPeiFfs2FvPpi;
}
}
}

13
MdeModulePkg/Core/Pei/PeiMain.h
View File

@ -1066,4 +1066,17 @@ FindNextCoreFvHandle (
IN UINTN Instance
);
/**
After PeiCore image is shadowed into permanent memory, all build-in FvPpi should
be re-installed with the instance in permanent memory and all cached FvPpi pointers in
PrivateData->Fv[] array should be fixed up to be pointed to the one in permenant
memory.
@param PrivateData Pointer to PEI_CORE_INSTANCE.
**/
VOID
PeiReinitializeFv (
IN PEI_CORE_INSTANCE *PrivateData
);
#endif