RETURN_STATUS
EFIAPI
ExtractGuidedSectionGetInfo (
IN CONST VOID *InputSection,
OUT UINT32 *OutputBufferSize,
OUT UINT32 *ScratchBufferSize,
OUT UINT16 *SectionAttribute
)
{
PRE_PI_EXTRACT_GUIDED_SECTION_DATA *SavedData;
UINT32 Index;
EFI_GUID *SectionDefinitionGuid;
if (InputSection == NULL) {
return RETURN_INVALID_PARAMETER;
}
ASSERT (OutputBufferSize != NULL);
ASSERT (ScratchBufferSize != NULL);
ASSERT (SectionAttribute != NULL);
SavedData = GetSavedData();
if (IS_SECTION2 (InputSection)) {
SectionDefinitionGuid = &(((EFI_GUID_DEFINED_SECTION2 *) InputSection)->SectionDefinitionGuid);
} else {
SectionDefinitionGuid = &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid);
}
//
// Search the match registered GetInfo handler for the input guided section.
//
for (Index = 0; Index < SavedData->NumberOfExtractHandler; Index ++) {
if (CompareGuid (&SavedData->ExtractHandlerGuidTable[Index], SectionDefinitionGuid)) {
break;
}
}
//
// Not found, the input guided section is not supported.
//
if (Index == SavedData->NumberOfExtractHandler) {
return RETURN_INVALID_PARAMETER;
}
//
// Call the match handler to getinfo for the input section data.
//
return SavedData->ExtractGetInfoHandlerTable [Index] (
InputSection,
OutputBufferSize,
ScratchBufferSize,
SectionAttribute
);
}
RETURN_STATUS
EFIAPI
ExtractGuidedSectionRegisterHandlers (
IN CONST GUID *SectionGuid,
IN EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER GetInfoHandler,
IN EXTRACT_GUIDED_SECTION_DECODE_HANDLER DecodeHandler
)
{
PRE_PI_EXTRACT_GUIDED_SECTION_DATA *SavedData;
UINT32 Index;
//
// Check input paramter.
//
if (SectionGuid == NULL) {
return RETURN_INVALID_PARAMETER;
}
SavedData = GetSavedData();
//
// Search the match registered GetInfo handler for the input guided section.
//
for (Index = 0; Index < SavedData->NumberOfExtractHandler; Index ++) {
if (CompareGuid (&SavedData->ExtractHandlerGuidTable[Index], SectionGuid)) {
break;
}
}
//
// If the guided handler has been registered before, only update its handler.
//
if (Index < SavedData->NumberOfExtractHandler) {
SavedData->ExtractDecodeHandlerTable [Index] = DecodeHandler;
SavedData->ExtractGetInfoHandlerTable [Index] = GetInfoHandler;
return RETURN_SUCCESS;
}
//
// Check the global table is enough to contain new Handler.
//
if (SavedData->NumberOfExtractHandler >= PcdGet32 (PcdMaximumGuidedExtractHandler)) {
return RETURN_OUT_OF_RESOURCES;
}
//
// Register new Handler and guid value.
//
CopyGuid (&SavedData->ExtractHandlerGuidTable [SavedData->NumberOfExtractHandler], SectionGuid);
SavedData->ExtractDecodeHandlerTable [SavedData->NumberOfExtractHandler] = DecodeHandler;
SavedData->ExtractGetInfoHandlerTable [SavedData->NumberOfExtractHandler++] = GetInfoHandler;
return RETURN_SUCCESS;
}
UINTN
EFIAPI
ExtractGuidedSectionGetGuidList (
IN OUT GUID **ExtractHandlerGuidTable
)
{
PRE_PI_EXTRACT_GUIDED_SECTION_DATA *SavedData;
ASSERT(ExtractHandlerGuidTable != NULL);
SavedData = GetSavedData();
*ExtractHandlerGuidTable = SavedData->ExtractHandlerGuidTable;
return SavedData->NumberOfExtractHandler;
}
RETURN_STATUS
EFIAPI
ExtractGuidedSectionDecode (
IN CONST VOID *InputSection,
OUT VOID **OutputBuffer,
OUT VOID *ScratchBuffer, OPTIONAL
OUT UINT32 *AuthenticationStatus
)
{
PRE_PI_EXTRACT_GUIDED_SECTION_DATA *SavedData;
UINT32 Index;
if (InputSection == NULL) {
return RETURN_INVALID_PARAMETER;
}
ASSERT (OutputBuffer != NULL);
ASSERT (AuthenticationStatus != NULL);
SavedData = GetSavedData();
//
// Search the match registered GetInfo handler for the input guided section.
//
for (Index = 0; Index < SavedData->NumberOfExtractHandler; Index ++) {
if (CompareGuid (&SavedData->ExtractHandlerGuidTable[Index], &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) {
break;
}
}
//
// Not found, the input guided section is not supported.
//
if (Index == SavedData->NumberOfExtractHandler) {
return RETURN_INVALID_PARAMETER;
}
//
// Call the match handler to getinfo for the input section data.
//
return SavedData->ExtractDecodeHandlerTable [Index] (
InputSection,
OutputBuffer,
ScratchBuffer,
AuthenticationStatus
);
}