mirror of https://github.com/acidanthera/audk.git
Move SecExtractGuidedSectionLib instance from OvmfPkg to MdePkg
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10459 6f19259b-4bc3-4df7-8a09-765794883524
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/** @file
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Provide generic extract guided section functions.
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Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <PiPei.h>
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#include <Library/DebugLib.h>
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#include <Library/PcdLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/ExtractGuidedSectionLib.h>
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#define EXTRACT_HANDLER_INFO_SIGNATURE SIGNATURE_32 ('E', 'G', 'S', 'I')
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typedef struct {
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UINT32 Signature;
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UINT32 NumberOfExtractHandler;
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GUID *ExtractHandlerGuidTable;
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EXTRACT_GUIDED_SECTION_DECODE_HANDLER *ExtractDecodeHandlerTable;
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EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER *ExtractGetInfoHandlerTable;
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} EXTRACT_GUIDED_SECTION_HANDLER_INFO;
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/**
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HandlerInfo table address is set by PcdGuidedExtractHandlerTableAddress, which is used to store
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the registered guid and Handler list. When it is initialized, it will be directly returned.
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Or, HandlerInfo table will be initialized in this function.
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@param[in, out] InfoPointer Pointer to the handler info structure.
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@retval RETURN_SUCCESS HandlerInfo table can be used to store guid and function tables.
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@retval RETURN_OUT_OF_RESOURCES HandlerInfo table address is not writable.
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**/
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RETURN_STATUS
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GetExtractGuidedSectionHandlerInfo (
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IN OUT EXTRACT_GUIDED_SECTION_HANDLER_INFO **InfoPointer
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)
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{
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EXTRACT_GUIDED_SECTION_HANDLER_INFO *HandlerInfo;
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//
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// Set the available memory address to handler info.
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//
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HandlerInfo = (EXTRACT_GUIDED_SECTION_HANDLER_INFO*)(VOID*)(UINTN) PcdGet64 (PcdGuidedExtractHandlerTableAddress);
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//
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// First check whether the handler info structure is initialized.
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//
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if (HandlerInfo->Signature == EXTRACT_HANDLER_INFO_SIGNATURE) {
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//
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// The handler info has been initialized and is returned.
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//
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*InfoPointer = HandlerInfo;
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return RETURN_SUCCESS;
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}
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//
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// Try to initialize the handler info structure
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//
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HandlerInfo->Signature = EXTRACT_HANDLER_INFO_SIGNATURE;
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if (HandlerInfo->Signature != EXTRACT_HANDLER_INFO_SIGNATURE) {
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//
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// The handler info structure was not writeable because the memory is not ready.
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//
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*InfoPointer = NULL;
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return RETURN_OUT_OF_RESOURCES;
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}
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//
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// Init HandlerInfo structure
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//
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HandlerInfo->NumberOfExtractHandler = 0;
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HandlerInfo->ExtractHandlerGuidTable = (GUID *) (HandlerInfo + 1);
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HandlerInfo->ExtractDecodeHandlerTable = (EXTRACT_GUIDED_SECTION_DECODE_HANDLER *) (
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(UINT8 *)HandlerInfo->ExtractHandlerGuidTable +
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PcdGet32 (PcdMaximumGuidedExtractHandler) * sizeof (GUID)
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);
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HandlerInfo->ExtractGetInfoHandlerTable = (EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER *) (
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(UINT8 *)HandlerInfo->ExtractDecodeHandlerTable +
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PcdGet32 (PcdMaximumGuidedExtractHandler) *
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sizeof (EXTRACT_GUIDED_SECTION_DECODE_HANDLER)
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);
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*InfoPointer = HandlerInfo;
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return RETURN_SUCCESS;
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}
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/**
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Retrieve the list GUIDs that have been registered through ExtractGuidedSectionRegisterHandlers().
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Sets ExtractHandlerGuidTable so it points at a callee allocated array of registered GUIDs.
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The total number of GUIDs in the array are returned. Since the array of GUIDs is callee allocated
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and caller must treat this array of GUIDs as read-only data.
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If ExtractHandlerGuidTable is NULL, then ASSERT().
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@param[out] ExtractHandlerGuidTable A pointer to the array of GUIDs that have been registered through
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ExtractGuidedSectionRegisterHandlers().
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@return the number of the supported extract guided Handler.
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**/
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UINTN
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EFIAPI
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ExtractGuidedSectionGetGuidList (
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OUT GUID **ExtractHandlerGuidTable
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)
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{
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RETURN_STATUS Status;
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EXTRACT_GUIDED_SECTION_HANDLER_INFO *HandlerInfo;
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ASSERT (ExtractHandlerGuidTable != NULL);
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//
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// Get all registered handler information
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//
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Status = GetExtractGuidedSectionHandlerInfo (&HandlerInfo);
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if (RETURN_ERROR (Status)) {
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*ExtractHandlerGuidTable = NULL;
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return 0;
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}
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//
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// Get GuidTable and Table Number
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//
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*ExtractHandlerGuidTable = HandlerInfo->ExtractHandlerGuidTable;
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return HandlerInfo->NumberOfExtractHandler;
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}
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/**
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Registers handlers of type EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER and EXTRACT_GUIDED_SECTION_DECODE_HANDLER
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for a specific GUID section type.
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Registers the handlers specified by GetInfoHandler and DecodeHandler with the GUID specified by SectionGuid.
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If the GUID value specified by SectionGuid has already been registered, then return RETURN_ALREADY_STARTED.
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If there are not enough resources available to register the handlers then RETURN_OUT_OF_RESOURCES is returned.
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If SectionGuid is NULL, then ASSERT().
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If GetInfoHandler is NULL, then ASSERT().
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If DecodeHandler is NULL, then ASSERT().
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@param[in] SectionGuid A pointer to the GUID associated with the the handlers
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of the GUIDed section type being registered.
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@param[in] GetInfoHandler Pointer to a function that examines a GUIDed section and returns the
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size of the decoded buffer and the size of an optional scratch buffer
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required to actually decode the data in a GUIDed section.
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@param[in] DecodeHandler Pointer to a function that decodes a GUIDed section into a caller
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allocated output buffer.
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@retval RETURN_SUCCESS The handlers were registered.
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@retval RETURN_OUT_OF_RESOURCES There are not enough resources available to register the handlers.
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**/
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RETURN_STATUS
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EFIAPI
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ExtractGuidedSectionRegisterHandlers (
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IN CONST GUID *SectionGuid,
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IN EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER GetInfoHandler,
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IN EXTRACT_GUIDED_SECTION_DECODE_HANDLER DecodeHandler
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)
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{
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UINT32 Index;
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RETURN_STATUS Status;
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EXTRACT_GUIDED_SECTION_HANDLER_INFO *HandlerInfo;
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//
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// Check input paramter
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//
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ASSERT (SectionGuid != NULL);
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ASSERT (GetInfoHandler != NULL);
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ASSERT (DecodeHandler != NULL);
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//
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// Get the registered handler information
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//
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Status = GetExtractGuidedSectionHandlerInfo (&HandlerInfo);
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if (RETURN_ERROR (Status)) {
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return Status;
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}
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//
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// Search the match registered GetInfo handler for the input guided section.
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//
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for (Index = 0; Index < HandlerInfo->NumberOfExtractHandler; Index ++) {
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if (CompareGuid (HandlerInfo->ExtractHandlerGuidTable + Index, SectionGuid)) {
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//
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// If the guided handler has been registered before, only update its handler.
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//
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HandlerInfo->ExtractDecodeHandlerTable [Index] = DecodeHandler;
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HandlerInfo->ExtractGetInfoHandlerTable [Index] = GetInfoHandler;
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return RETURN_SUCCESS;
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}
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}
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//
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// Check the global table is enough to contain new Handler.
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//
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if (HandlerInfo->NumberOfExtractHandler >= PcdGet32 (PcdMaximumGuidedExtractHandler)) {
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return RETURN_OUT_OF_RESOURCES;
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}
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//
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// Register new Handler and guid value.
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//
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CopyGuid (HandlerInfo->ExtractHandlerGuidTable + HandlerInfo->NumberOfExtractHandler, SectionGuid);
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HandlerInfo->ExtractDecodeHandlerTable [HandlerInfo->NumberOfExtractHandler] = DecodeHandler;
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HandlerInfo->ExtractGetInfoHandlerTable [HandlerInfo->NumberOfExtractHandler++] = GetInfoHandler;
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return RETURN_SUCCESS;
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}
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/**
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Retrieves a GUID from a GUIDed section and uses that GUID to select an associated handler of type
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EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers().
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The selected handler is used to retrieve and return the size of the decoded buffer and the size of an
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optional scratch buffer required to actually decode the data in a GUIDed section.
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Examines a GUIDed section specified by InputSection.
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If GUID for InputSection does not match any of the GUIDs registered through ExtractGuidedSectionRegisterHandlers(),
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then RETURN_UNSUPPORTED is returned.
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If the GUID of InputSection does match the GUID that this handler supports, then the the associated handler
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of type EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers()
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is used to retrieve the OututBufferSize, ScratchSize, and Attributes values. The return status from the handler of
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type EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER is returned.
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If InputSection is NULL, then ASSERT().
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If OutputBufferSize is NULL, then ASSERT().
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If ScratchBufferSize is NULL, then ASSERT().
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If SectionAttribute is NULL, then ASSERT().
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@param[in] InputSection A pointer to a GUIDed section of an FFS formatted file.
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@param[out] OutputBufferSize A pointer to the size, in bytes, of an output buffer required if the buffer
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specified by InputSection were decoded.
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@param[out] ScratchBufferSize A pointer to the size, in bytes, required as scratch space if the buffer specified by
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InputSection were decoded.
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@param[out] SectionAttribute A pointer to the attributes of the GUIDed section. See the Attributes field of
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EFI_GUID_DEFINED_SECTION in the PI Specification.
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@retval RETURN_SUCCESS Get the required information successfully.
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@retval RETURN_UNSUPPORTED The GUID from the section specified by InputSection does not match any of
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the GUIDs registered with ExtractGuidedSectionRegisterHandlers().
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@retval Others The return status from the handler associated with the GUID retrieved from
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the section specified by InputSection.
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**/
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RETURN_STATUS
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EFIAPI
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ExtractGuidedSectionGetInfo (
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IN CONST VOID *InputSection,
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OUT UINT32 *OutputBufferSize,
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OUT UINT32 *ScratchBufferSize,
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OUT UINT16 *SectionAttribute
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)
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{
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UINT32 Index;
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RETURN_STATUS Status;
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EXTRACT_GUIDED_SECTION_HANDLER_INFO *HandlerInfo;
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//
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// Check input paramter
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//
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ASSERT (InputSection != NULL);
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ASSERT (OutputBufferSize != NULL);
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ASSERT (ScratchBufferSize != NULL);
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ASSERT (SectionAttribute != NULL);
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//
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// Get all registered handler information.
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//
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Status = GetExtractGuidedSectionHandlerInfo (&HandlerInfo);
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if (RETURN_ERROR (Status)) {
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return Status;
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}
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//
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// Search the match registered GetInfo handler for the input guided section.
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//
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for (Index = 0; Index < HandlerInfo->NumberOfExtractHandler; Index ++) {
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if (CompareGuid (HandlerInfo->ExtractHandlerGuidTable + Index, &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) {
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//
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// Call the match handler to get info for the input section data.
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//
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return HandlerInfo->ExtractGetInfoHandlerTable [Index] (
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InputSection,
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OutputBufferSize,
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ScratchBufferSize,
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SectionAttribute
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);
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}
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}
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//
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// Not found, the input guided section is not supported.
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//
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return RETURN_UNSUPPORTED;
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}
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/**
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Retrieves the GUID from a GUIDed section and uses that GUID to select an associated handler of type
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EXTRACT_GUIDED_SECTION_DECODE_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers().
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The selected handler is used to decode the data in a GUIDed section and return the result in a caller
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allocated output buffer.
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Decodes the GUIDed section specified by InputSection.
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If GUID for InputSection does not match any of the GUIDs registered through ExtractGuidedSectionRegisterHandlers(),
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then RETURN_UNSUPPORTED is returned.
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If the GUID of InputSection does match the GUID that this handler supports, then the the associated handler
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of type EXTRACT_GUIDED_SECTION_DECODE_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers()
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is used to decode InputSection into the buffer specified by OutputBuffer and the authentication status of this
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decode operation is returned in AuthenticationStatus. If the decoded buffer is identical to the data in InputSection,
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then OutputBuffer is set to point at the data in InputSection. Otherwise, the decoded data will be placed in caller
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allocated buffer specified by OutputBuffer. This function is responsible for computing the EFI_AUTH_STATUS_PLATFORM_OVERRIDE
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bit of in AuthenticationStatus. The return status from the handler of type EXTRACT_GUIDED_SECTION_DECODE_HANDLER is returned.
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If InputSection is NULL, then ASSERT().
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If OutputBuffer is NULL, then ASSERT().
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If ScratchBuffer is NULL and this decode operation requires a scratch buffer, then ASSERT().
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If AuthenticationStatus is NULL, then ASSERT().
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@param[in] InputSection A pointer to a GUIDed section of an FFS formatted file.
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@param[out] OutputBuffer A pointer to a buffer that contains the result of a decode operation.
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@param[in] ScratchBuffer A caller allocated buffer that may be required by this function as a scratch buffer to perform the decode operation.
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@param[out] AuthenticationStatus
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A pointer to the authentication status of the decoded output buffer. See the definition
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of authentication status in the EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI section of the PI
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Specification.
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@retval RETURN_SUCCESS The buffer specified by InputSection was decoded.
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@retval RETURN_UNSUPPORTED The section specified by InputSection does not match the GUID this handler supports.
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@retval RETURN_INVALID_PARAMETER The section specified by InputSection can not be decoded.
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**/
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RETURN_STATUS
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EFIAPI
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ExtractGuidedSectionDecode (
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IN CONST VOID *InputSection,
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OUT VOID **OutputBuffer,
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IN VOID *ScratchBuffer, OPTIONAL
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OUT UINT32 *AuthenticationStatus
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)
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{
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UINT32 Index;
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RETURN_STATUS Status;
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EXTRACT_GUIDED_SECTION_HANDLER_INFO *HandlerInfo;
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//
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// Check input parameter
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//
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ASSERT (InputSection != NULL);
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ASSERT (OutputBuffer != NULL);
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ASSERT (AuthenticationStatus != NULL);
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//
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// Get all registered handler information.
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//
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Status = GetExtractGuidedSectionHandlerInfo (&HandlerInfo);
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if (RETURN_ERROR (Status)) {
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return Status;
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}
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//
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// Search the match registered Extract handler for the input guided section.
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//
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for (Index = 0; Index < HandlerInfo->NumberOfExtractHandler; Index ++) {
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if (CompareGuid (HandlerInfo->ExtractHandlerGuidTable + Index, &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) {
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//
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// Call the match handler to extract raw data for the input guided section.
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//
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return HandlerInfo->ExtractDecodeHandlerTable [Index] (
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InputSection,
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OutputBuffer,
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ScratchBuffer,
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AuthenticationStatus
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);
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}
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}
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//
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// Not found, the input guided section is not supported.
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//
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return RETURN_UNSUPPORTED;
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}
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@ -0,0 +1,45 @@
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## @file
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# Base ExtractGuidedSection Library.
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# This instance can also be used in SEC phase only when the memory is ready in SEC phase.
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# PCD PcdGuidedExtractHandlerTableAddress points to the available memory address
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# to store Guided Extract Handlers.
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#
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# Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
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#
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# This program and the accompanying materials
|
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# are licensed and made available under the terms and conditions of the BSD License
|
||||
# which accompanies this distribution. The full text of the license may be found at
|
||||
# http://opensource.org/licenses/bsd-license.php
|
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = BaseExtractGuidedSectionLib
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FILE_GUID = 4e3236e9-d1c8-4c04-a89f-26f1c44b2592
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MODULE_TYPE = BASE
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VERSION_STRING = 1.0
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LIBRARY_CLASS = ExtractGuidedSectionLib
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IA32 X64 IPF EBC (EBC is for build only)
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#
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[Sources]
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BaseExtractGuidedSectionLib.c
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[Packages]
|
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MdePkg/MdePkg.dec
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[LibraryClasses]
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BaseMemoryLib
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DebugLib
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PcdLib
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[Pcd]
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gEfiMdePkgTokenSpaceGuid.PcdMaximumGuidedExtractHandler
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gEfiMdePkgTokenSpaceGuid.PcdGuidedExtractHandlerTableAddress
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|
|
@ -1,7 +1,7 @@
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/** @file
|
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Provide generic extract guided section functions for PEI phase.
|
||||
|
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Copyright (c) 2007 - 2008, Intel Corporation. All rights reserved.<BR>
|
||||
Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
|
||||
This program and the accompanying materials
|
||||
are licensed and made available under the terms and conditions of the BSD License
|
||||
which accompanies this distribution. The full text of the license may be found at
|
||||
|
|
@ -67,7 +67,7 @@ PeiGetExtractGuidedSectionHandlerInfo (
|
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HandlerInfo->ExtractGetInfoHandlerTable = (EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER *) (
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(UINT8 *)HandlerInfo->ExtractDecodeHandlerTable +
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PcdGet32 (PcdMaximumGuidedExtractHandler) *
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sizeof (EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER)
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sizeof (EXTRACT_GUIDED_SECTION_DECODE_HANDLER)
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);
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}
|
||||
//
|
||||
|
|
@ -94,6 +94,7 @@ PeiGetExtractGuidedSectionHandlerInfo (
|
|||
//
|
||||
// No enough resource to build guid hob.
|
||||
//
|
||||
*InfoPointer = NULL;
|
||||
return EFI_OUT_OF_RESOURCES;
|
||||
}
|
||||
//
|
||||
|
|
@ -109,7 +110,7 @@ PeiGetExtractGuidedSectionHandlerInfo (
|
|||
HandlerInfo->ExtractGetInfoHandlerTable = (EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER *) (
|
||||
(UINT8 *)HandlerInfo->ExtractDecodeHandlerTable +
|
||||
PcdGet32 (PcdMaximumGuidedExtractHandler) *
|
||||
sizeof (EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER)
|
||||
sizeof (EXTRACT_GUIDED_SECTION_DECODE_HANDLER)
|
||||
);
|
||||
//
|
||||
// return the created HandlerInfo.
|
||||
|
|
@ -148,7 +149,8 @@ ExtractGuidedSectionGetGuidList (
|
|||
//
|
||||
Status = PeiGetExtractGuidedSectionHandlerInfo (&HandlerInfo);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
*ExtractHandlerGuidTable = NULL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
//
|
||||
|
|
@ -238,7 +240,7 @@ ExtractGuidedSectionRegisterHandlers (
|
|||
CopyGuid (HandlerInfo->ExtractHandlerGuidTable + HandlerInfo->NumberOfExtractHandler, SectionGuid);
|
||||
HandlerInfo->ExtractDecodeHandlerTable [HandlerInfo->NumberOfExtractHandler] = DecodeHandler;
|
||||
HandlerInfo->ExtractGetInfoHandlerTable [HandlerInfo->NumberOfExtractHandler++] = GetInfoHandler;
|
||||
|
||||
|
||||
return RETURN_SUCCESS;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -21,7 +21,7 @@
|
|||
FILE_GUID = 41ddf016-2a11-415f-8880-00d938e9541a
|
||||
MODULE_TYPE = PEIM
|
||||
VERSION_STRING = 1.0
|
||||
LIBRARY_CLASS = ExtractGuidedSectionLib|PEIM PEI_CORE SEC
|
||||
LIBRARY_CLASS = ExtractGuidedSectionLib|PEIM PEI_CORE
|
||||
|
||||
#
|
||||
# The following information is for reference only and not required by the build tools.
|
||||
|
|
|
|||
|
|
@ -1274,6 +1274,10 @@
|
|||
# EFI_SOFTWARE_DXE_CORE | EFI_SW_PC_INIT_END
|
||||
gEfiMdePkgTokenSpaceGuid.PcdStatusCodeValueDxeDriverEnd|0x3040003|UINT32|0x30001014
|
||||
|
||||
## This value is used to set the available memory address to store Guided Extract Handlers.
|
||||
# The required memory space is decided by the value of PcdMaximumGuidedExtractHandler.
|
||||
gEfiMdePkgTokenSpaceGuid.PcdGuidedExtractHandlerTableAddress|0x1000000|UINT64|0x30001015
|
||||
|
||||
[PcdsFixedAtBuild.IPF]
|
||||
## The base address of IO port space for IA64 arch
|
||||
gEfiMdePkgTokenSpaceGuid.PcdIoBlockBaseAddressForIpf|0x0ffffc000000|UINT64|0x0000000f
|
||||
|
|
|
|||
|
|
@ -139,6 +139,7 @@
|
|||
MdePkg/Library/UefiPciLibPciRootBridgeIo/UefiPciLibPciRootBridgeIo.inf
|
||||
MdePkg/Library/UefiPciSegmentLibPciRootBridgeIo/UefiPciSegmentLibPciRootBridgeIo.inf
|
||||
MdePkg/Library/SmmLibNull/SmmLibNull.inf
|
||||
MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
|
||||
|
||||
[Components.IA32, Components.X64]
|
||||
MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
|
||||
|
|
|
|||
Loading…
Reference in New Issue