diff options
Diffstat (limited to 'MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c')
| -rw-r--r-- | MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c | 203 |
1 files changed, 28 insertions, 175 deletions
diff --git a/MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c b/MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c index 48143507e4..07ada03d2c 100644 --- a/MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c +++ b/MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c @@ -99,7 +99,6 @@ typedef struct { //
// Local prototypes
//
-
/**
Worker function. Determine if the input stream:child matches the input type.
@@ -123,41 +122,6 @@ ChildIsType ( IN EFI_GUID *SectionDefinitionGuid
);
-#if 0
-/**
- RPN callback function. Removes a stale section stream and re-initializes it
- with an updated AuthenticationStatus.
-
- @param Event The event that fired
- @param RpnContext A pointer to the context that allows us to
- identify the relevent encapsulation...
-
-**/
-VOID
-EFIAPI
-NotifyGuidedExtraction (
- IN EFI_EVENT Event,
- IN VOID *RpnContext
- );
-#endif
-
-#if 0
-/**
- Worker function. Constructor for RPN event if needed to keep AuthenticationStatus
- cache correct when a missing GUIDED_SECTION_EXTRACTION_PROTOCOL appears...
-
- @param ParentStream Indicates the parent of the ecnapsulation
- section (child)
- @param ChildNode Indicates the child node that is the
- encapsulation section.
-
-**/
-VOID
-CreateGuidedExtractionRpnEvent (
- IN CORE_SECTION_STREAM_NODE *ParentStream,
- IN CORE_SECTION_CHILD_NODE *ChildNode
- );
-#endif
/**
Worker function. Search stream database for requested stream handle.
@@ -177,6 +141,7 @@ FindStreamNode ( OUT CORE_SECTION_STREAM_NODE **FoundStream
);
+
/**
Worker function Recursively searches / builds section stream database
looking for requested section.
@@ -214,6 +179,7 @@ FindChildNode ( OUT UINT32 *AuthenticationStatus
);
+
/**
Worker function. Constructor for new child nodes.
@@ -242,6 +208,7 @@ CreateChildNode ( OUT CORE_SECTION_CHILD_NODE **ChildNode
);
+
/**
Worker function. Destructor for child nodes.
@@ -252,7 +219,8 @@ VOID FreeChildNode (
IN CORE_SECTION_CHILD_NODE *ChildNode
);
-
+
+
/**
Worker function. Constructor for section streams.
@@ -294,7 +262,8 @@ OpenSectionStreamEx ( IN UINT32 AuthenticationStatus,
OUT UINTN *SectionStreamHandle
);
-
+
+
/**
Check if a stream is valid.
@@ -310,6 +279,7 @@ IsValidSectionStream ( IN UINTN SectionStreamLength
);
+
/**
The ExtractSection() function processes the input section and
allocates a buffer from the pool in which it returns the section
@@ -339,7 +309,6 @@ IsValidSectionStream ( @param This Indicates the
EFI_GUIDED_SECTION_EXTRACTION_PROTOCOL instance.
-
@param InputSection Buffer containing the input GUIDed section
to be processed. OutputBuffer OutputBuffer
is allocated from boot services pool
@@ -354,7 +323,6 @@ IsValidSectionStream ( is stored. If the function returns
anything other than EFI_SUCCESS, the value
of OutputSize is undefined.
-
@param AuthenticationStatus A pointer to a caller-allocated
UINT32 that indicates the
authentication status of the
@@ -403,6 +371,7 @@ CustomGuidedSectionExtract ( OUT UINTN *OutputSize,
OUT UINT32 *AuthenticationStatus
);
+
//
// Module globals
//
@@ -491,12 +460,12 @@ OpenSectionStream ( }
return OpenSectionStreamEx (
- SectionStreamLength,
- SectionStream,
- TRUE,
- 0,
- SectionStreamHandle
- );
+ SectionStreamLength,
+ SectionStream,
+ TRUE,
+ 0,
+ SectionStreamHandle
+ );
}
@@ -608,14 +577,14 @@ GetSection ( // There's a requested section type, so go find it and return it...
//
Status = FindChildNode (
- StreamNode,
- *SectionType,
- &Instance,
- SectionDefinitionGuid,
- &ChildNode,
- &ChildStreamNode,
- &ExtractedAuthenticationStatus
- );
+ StreamNode,
+ *SectionType,
+ &Instance,
+ SectionDefinitionGuid,
+ &ChildNode,
+ &ChildStreamNode,
+ &ExtractedAuthenticationStatus
+ );
if (EFI_ERROR (Status)) {
goto GetSection_Done;
}
@@ -648,6 +617,7 @@ GetSection ( GetSection_Done:
CoreRestoreTpl (OldTpl);
+
return Status;
}
@@ -744,7 +714,6 @@ ChildIsType ( }
-
/**
Worker function Recursively searches / builds section stream database
looking for requested section.
@@ -797,7 +766,7 @@ FindChildNode ( }
if (IsListEmpty (&SourceStream->Children) &&
- SourceStream->StreamLength >= sizeof (EFI_COMMON_SECTION_HEADER)) {
+ SourceStream->StreamLength >= sizeof (EFI_COMMON_SECTION_HEADER)) {
//
// This occurs when a section stream exists, but no child sections
// have been parsed out yet. Therefore, extract the first child and add it
@@ -882,7 +851,7 @@ FindChildNode ( // Round up to 4 byte boundary
//
NextChildOffset += 3;
- NextChildOffset &= ~(UINTN)3;
+ NextChildOffset &= ~(UINTN) 3;
if (NextChildOffset <= SourceStream->StreamLength - sizeof (EFI_COMMON_SECTION_HEADER)) {
//
// There's an unparsed child remaining in the stream, so create a new child node
@@ -900,7 +869,6 @@ FindChildNode ( }
-
/**
Worker function. Constructor for new child nodes.
@@ -1153,120 +1121,6 @@ CreateChildNode ( }
-#if 0
-/**
- Worker function. Constructor for RPN event if needed to keep AuthenticationStatus
- cache correct when a missing GUIDED_SECTION_EXTRACTION_PROTOCOL appears...
-
- @param ParentStream Indicates the parent of the ecnapsulation
- section (child)
- @param ChildNode Indicates the child node that is the
- encapsulation section.
-
-**/
-VOID
-CreateGuidedExtractionRpnEvent (
- IN CORE_SECTION_STREAM_NODE *ParentStream,
- IN CORE_SECTION_CHILD_NODE *ChildNode
- )
-{
- RPN_EVENT_CONTEXT *Context;
-
- //
- // Allocate new event structure and context
- //
- Context = CoreAllocateBootServicesPool (sizeof (RPN_EVENT_CONTEXT));
- ASSERT (Context != NULL);
-
- Context->ChildNode = ChildNode;
- Context->ParentStream = ParentStream;
-
- Context->Event = CoreCreateProtocolNotifyEvent (
- Context->ChildNode->EncapsulationGuid,
- TPL_NOTIFY,
- NotifyGuidedExtraction,
- Context,
- &Context->Registration,
- FALSE
- );
-}
-#endif
-
-
-#if 0
-/**
- RPN callback function. Removes a stale section stream and re-initializes it
- with an updated AuthenticationStatus.
-
- @param Event The event that fired
- @param RpnContext A pointer to the context that allows us to
- identify the relevent encapsulation...
-
-**/
-VOID
-EFIAPI
-NotifyGuidedExtraction (
- IN EFI_EVENT Event,
- IN VOID *RpnContext
- )
-{
- EFI_STATUS Status;
- EFI_GUID_DEFINED_SECTION *GuidedHeader;
- EFI_GUIDED_SECTION_EXTRACTION_PROTOCOL *GuidedExtraction;
- VOID *NewStreamBuffer;
- UINTN NewStreamBufferSize;
- UINT32 AuthenticationStatus;
- RPN_EVENT_CONTEXT *Context;
-
- Context = RpnContext;
-
- Status = CloseSectionStream (Context->ChildNode->EncapsulatedStreamHandle);
- if (!EFI_ERROR (Status)) {
- //
- // The stream closed successfully, so re-open the stream with correct AuthenticationStatus
- //
-
- GuidedHeader = (EFI_GUID_DEFINED_SECTION *)
- (Context->ParentStream->StreamBuffer + Context->ChildNode->OffsetInStream);
- ASSERT (GuidedHeader->CommonHeader.Type == EFI_SECTION_GUID_DEFINED);
-
- Status = CoreLocateProtocol (Context->ChildNode->EncapsulationGuid, NULL, (VOID **)&GuidedExtraction);
- ASSERT_EFI_ERROR (Status);
-
-
- Status = GuidedExtraction->ExtractSection (
- GuidedExtraction,
- GuidedHeader,
- &NewStreamBuffer,
- &NewStreamBufferSize,
- &AuthenticationStatus
- );
- ASSERT_EFI_ERROR (Status);
- //
- // OR in the parent stream's aggregagate status.
- //
- AuthenticationStatus |= Context->ParentStream->AuthenticationStatus & EFI_AUTH_STATUS_ALL;
- Status = OpenSectionStreamEx (
- NewStreamBufferSize,
- NewStreamBuffer,
- FALSE,
- AuthenticationStatus,
- &Context->ChildNode->EncapsulatedStreamHandle
- );
- ASSERT_EFI_ERROR (Status);
- }
-
- //
- // If above, the stream did not close successfully, it indicates it's
- // alread been closed by someone, so just destroy the event and be done with
- // it.
- //
-
- CoreCloseEvent (Event);
- CoreFreePool (Context);
-}
-#endif
-
/**
Worker function. Destructor for child nodes.
@@ -1443,7 +1297,6 @@ FindStreamNode ( }
-
/**
Check if a stream is valid.
@@ -1493,6 +1346,7 @@ IsValidSectionStream ( return FALSE;
}
+
/**
The ExtractSection() function processes the input section and
allocates a buffer from the pool in which it returns the section
@@ -1522,7 +1376,6 @@ IsValidSectionStream ( @param This Indicates the
EFI_GUIDED_SECTION_EXTRACTION_PROTOCOL instance.
-
@param InputSection Buffer containing the input GUIDed section
to be processed. OutputBuffer OutputBuffer
is allocated from boot services pool
@@ -1644,7 +1497,7 @@ CustomGuidedSectionExtract ( OutputBuffer,
ScratchBuffer,
AuthenticationStatus
- );
+ );
if (EFI_ERROR (Status)) {
//
// Decode failed
|