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Build the registered guid HOB and SystemTable to record the GUID itself in PeiExtractGuidedSectionLib and DxeExtractGuidedSectionLib, and also state the restriction in BaseExtractGuidedSectionLib.

Browse Source 
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13930 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lzeng14
2012-11-08 01:12:56 +00:00
parent 17dd0f2bb1
commit 8472f1f59d
8 changed files with 190 additions and 31 deletions
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66
MdeModulePkg/Core/Pei/FwVol/FwVol.c
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@ -606,6 +606,55 @@ FirmwareVolmeInfoPpiNotifyCallback (
return EFI_SUCCESS;
}
/**
Verify the Guided Section GUID by checking if there is the Guided Section GUID HOB recorded the GUID itself.
@param GuidedSectionGuid The Guided Section GUID.
@param GuidedSectionExtraction A pointer to the pointer to the supported Guided Section Extraction Ppi
for the Guided Section.
@return TRUE The GuidedSectionGuid could be identified, and the pointer to
the Guided Section Extraction Ppi will be returned to *GuidedSectionExtraction.
@return FALSE The GuidedSectionGuid could not be identified, or
the Guided Section Extraction Ppi has not been installed yet.
**/
BOOLEAN
VerifyGuidedSectionGuid (
IN EFI_GUID *GuidedSectionGuid,
OUT EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI **GuidedSectionExtraction
)
{
EFI_PEI_HOB_POINTERS Hob;
EFI_GUID *GuidRecorded;
VOID *Interface;
EFI_STATUS Status;
//
// Check if there is the Guided Section GUID HOB recorded the GUID itself.
//
Hob.Raw = GetFirstGuidHob (GuidedSectionGuid);
if (Hob.Raw != NULL) {
GuidRecorded = (EFI_GUID *) GET_GUID_HOB_DATA (Hob);
if (CompareGuid (GuidRecorded, GuidedSectionGuid)) {
//
// Found the recorded GuidedSectionGuid.
//
Status = PeiServicesLocatePpi (GuidedSectionGuid, 0, NULL, (VOID **) &Interface);
if (!EFI_ERROR (Status) && Interface != NULL) {
//
// Found the supported Guided Section Extraction Ppi for the Guided Section.
//
*GuidedSectionExtraction = (EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *) Interface;
return TRUE;
}
return FALSE;
}
}
return FALSE;
}
/**
Go through the file to search SectionType section.
Search within encapsulation sections (compression and GUIDed) recursively,
@ -643,6 +692,7 @@ ProcessSection (
UINTN Index;
UINT32 Authentication;
PEI_CORE_INSTANCE *PrivateData;
EFI_GUID *SectionDefinitionGuid;
PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
*OutputBuffer = NULL;
@ -702,21 +752,11 @@ ProcessSection (
Status = EFI_NOT_FOUND;
if (Section->Type == EFI_SECTION_GUID_DEFINED) {
if (IS_SECTION2 (Section)) {
Status = PeiServicesLocatePpi (
&((EFI_GUID_DEFINED_SECTION2 *)Section)->SectionDefinitionGuid,
0,
NULL,
(VOID **) &GuidSectionPpi
);
SectionDefinitionGuid = &((EFI_GUID_DEFINED_SECTION2 *)Section)->SectionDefinitionGuid;
} else {
Status = PeiServicesLocatePpi (
&((EFI_GUID_DEFINED_SECTION *)Section)->SectionDefinitionGuid,
0,
NULL,
(VOID **) &GuidSectionPpi
);
SectionDefinitionGuid = &((EFI_GUID_DEFINED_SECTION *)Section)->SectionDefinitionGuid;
}
if (!EFI_ERROR (Status)) {
if (VerifyGuidedSectionGuid (SectionDefinitionGuid, &GuidSectionPpi)) {
Status = GuidSectionPpi->ExtractSection (
GuidSectionPpi,
Section,