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| author | lzeng14 <lzeng14@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-11-08 01:12:56 +0000 |
|---|---|---|
| committer | lzeng14 <lzeng14@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-11-08 01:12:56 +0000 |
| commit | 8472f1f59d63f3fc5df3c9ae52ffb26c7bb757a6 (patch) | |
| tree | a2c668ce97fbe8b9495de00eb8e36e142af4d103 /MdeModulePkg/Core/Pei | |
| parent | 17dd0f2bb10c0ff90c794a8e4f1a966360da7c6d (diff) | |
| download | edk2-8472f1f59d63f3fc5df3c9ae52ffb26c7bb757a6.zip edk2-8472f1f59d63f3fc5df3c9ae52ffb26c7bb757a6.tar.gz edk2-8472f1f59d63f3fc5df3c9ae52ffb26c7bb757a6.tar.bz2 | |
Build the registered guid HOB and SystemTable to record the GUID itself in PeiExtractGuidedSectionLib and DxeExtractGuidedSectionLib, and also state the restriction in BaseExtractGuidedSectionLib.
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
Diffstat (limited to 'MdeModulePkg/Core/Pei')
| -rw-r--r-- | MdeModulePkg/Core/Pei/FwVol/FwVol.c | 66 |
1 files changed, 53 insertions, 13 deletions
diff --git a/MdeModulePkg/Core/Pei/FwVol/FwVol.c b/MdeModulePkg/Core/Pei/FwVol/FwVol.c index d0375be..af8f821 100644 --- a/MdeModulePkg/Core/Pei/FwVol/FwVol.c +++ b/MdeModulePkg/Core/Pei/FwVol/FwVol.c @@ -607,6 +607,55 @@ FirmwareVolmeInfoPpiNotifyCallback ( }
/**
+ 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,
until the match section is found.
@@ -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,
|