From fcd7e6778ad04d0b9f9f8e5e4d1a75c8696393dd Mon Sep 17 00:00:00 2001 From: lgao4 Date: Wed, 5 May 2010 02:06:21 +0000 Subject: Move SecExtractGuidedSectionLib instance from OvmfPkg to MdePkg git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10458 6f19259b-4bc3-4df7-8a09-765794883524 --- .../SecExtractGuidedSectionLib.c | 427 --------------------- .../SecExtractGuidedSectionLib.inf | 41 -- 2 files changed, 468 deletions(-) delete mode 100644 OvmfPkg/Library/SecExtractGuidedSectionLib/SecExtractGuidedSectionLib.c delete mode 100644 OvmfPkg/Library/SecExtractGuidedSectionLib/SecExtractGuidedSectionLib.inf (limited to 'OvmfPkg/Library') diff --git a/OvmfPkg/Library/SecExtractGuidedSectionLib/SecExtractGuidedSectionLib.c b/OvmfPkg/Library/SecExtractGuidedSectionLib/SecExtractGuidedSectionLib.c deleted file mode 100644 index 11c75787a7..0000000000 --- a/OvmfPkg/Library/SecExtractGuidedSectionLib/SecExtractGuidedSectionLib.c +++ /dev/null @@ -1,427 +0,0 @@ -/** @file - Provide generic extract guided section functions for SEC phase. - - Copyright (c) 2007 - 2009, Intel Corporation. All rights reserved.
- 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 - http://opensource.org/licenses/bsd-license.php - - THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, - WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -**/ - -#include - -#include -#include -#include -#include - -#define EXTRACT_HANDLER_INFO_SIGNATURE SIGNATURE_32 ('E', 'G', 'S', 'I') - -typedef struct { - UINT32 Signature; - UINT32 NumberOfExtractHandler; - GUID *ExtractHandlerGuidTable; - EXTRACT_GUIDED_SECTION_DECODE_HANDLER *ExtractDecodeHandlerTable; - EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER *ExtractGetInfoHandlerTable; -} EXTRACT_GUIDED_SECTION_HANDLER_INFO; - -STATIC EXTRACT_GUIDED_SECTION_HANDLER_INFO mHandlerInfo = { - 0, // Signature; -}; - -/** - Check if the info structure can be used. If it can be used, but it - is not currently initialized, then it will be initialized. - - @param[in] Info Pointer to handler info structure. - - @retval RETURN_SUCCESS The info structure is initialized - @retval EFI_WRITE_PROTECTED The info structure could not be written to. -**/ -STATIC -RETURN_STATUS -CheckOrInitializeHandlerInfo ( - IN volatile EXTRACT_GUIDED_SECTION_HANDLER_INFO *Info - ) -{ - // - // First try access the handler info structure as a global variable - // - if (Info->Signature == EXTRACT_HANDLER_INFO_SIGNATURE) { - // - // The global variable version of the handler info has been initialized - // - return EFI_SUCCESS; - } - - // - // Try to initialize the handler info structure - // - Info->Signature = EXTRACT_HANDLER_INFO_SIGNATURE; - if (Info->Signature != EXTRACT_HANDLER_INFO_SIGNATURE) { - // - // The structure was not writeable - // - return EFI_WRITE_PROTECTED; - } - - Info->NumberOfExtractHandler = 0; - Info->ExtractHandlerGuidTable = (GUID*) (Info + 1); - Info->ExtractDecodeHandlerTable = - (EXTRACT_GUIDED_SECTION_DECODE_HANDLER*) - &(Info->ExtractHandlerGuidTable [PcdGet32 (PcdMaximumGuidedExtractHandler)]); - Info->ExtractGetInfoHandlerTable = - (EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER*) - &(Info->ExtractDecodeHandlerTable [PcdGet32 (PcdMaximumGuidedExtractHandler)]); - - return EFI_SUCCESS; -} - - -/** - Build guid hob for the global memory to store the registered guid and Handler list. - If GuidHob exists, HandlerInfo will be directly got from Guid hob data. - - @param[in, out] InfoPointer Pointer to pei handler info structure. - - @retval RETURN_SUCCESS Build Guid hob for the global memory space to store guid and function tables. - @retval RETURN_OUT_OF_RESOURCES No enough memory to allocated. -**/ -RETURN_STATUS -GetExtractGuidedSectionHandlerInfo ( - IN OUT EXTRACT_GUIDED_SECTION_HANDLER_INFO **InfoPointer - ) -{ - STATIC EXTRACT_GUIDED_SECTION_HANDLER_INFO* PotentialInfoLocations[] = { - // - // This entry will work if the global variables in the module are - // writeable. - // - &mHandlerInfo, - - // - // This entry will work if the system memory is already initialized - // and ready for use. (For example, in a virtual machine, the memory - // will not require initialization.) - // - (EXTRACT_GUIDED_SECTION_HANDLER_INFO*)(VOID*)(UINTN) 0x1000, - }; - UINTN Loop; - - for (Loop = 0; - Loop < sizeof (PotentialInfoLocations) / sizeof (PotentialInfoLocations[0]); - Loop ++ - ) { - // - // First try access the handler info structure as a global variable - // - if (!EFI_ERROR (CheckOrInitializeHandlerInfo (PotentialInfoLocations[Loop]))) { - // - // The global variable version of the handler info has been initialized - // - *InfoPointer = PotentialInfoLocations[Loop]; - return EFI_SUCCESS; - } - } - - *InfoPointer = (EXTRACT_GUIDED_SECTION_HANDLER_INFO*) NULL; - return RETURN_OUT_OF_RESOURCES; -} - -/** - Retrieve the list GUIDs that have been registered through ExtractGuidedSectionRegisterHandlers(). - - Sets ExtractHandlerGuidTable so it points at a callee allocated array of registered GUIDs. - The total number of GUIDs in the array are returned. Since the array of GUIDs is callee allocated - and caller must treat this array of GUIDs as read-only data. - If ExtractHandlerGuidTable is NULL, then ASSERT(). - - @param[out] ExtractHandlerGuidTable A pointer to the array of GUIDs that have been registered through - ExtractGuidedSectionRegisterHandlers(). - - @return the number of the supported extract guided Handler. - -**/ -UINTN -EFIAPI -ExtractGuidedSectionGetGuidList ( - OUT GUID **ExtractHandlerGuidTable - ) -{ - EFI_STATUS Status; - EXTRACT_GUIDED_SECTION_HANDLER_INFO *HandlerInfo; - - ASSERT (ExtractHandlerGuidTable != NULL); - - // - // Get all registered handler information - // - Status = GetExtractGuidedSectionHandlerInfo (&HandlerInfo); - if (EFI_ERROR (Status)) { - return Status; - } - - // - // Get GuidTable and Table Number - // - *ExtractHandlerGuidTable = HandlerInfo->ExtractHandlerGuidTable; - return HandlerInfo->NumberOfExtractHandler; -} - -/** - Registers handlers of type EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER and EXTRACT_GUIDED_SECTION_DECODE_HANDLER - for a specific GUID section type. - - Registers the handlers specified by GetInfoHandler and DecodeHandler with the GUID specified by SectionGuid. - If the GUID value specified by SectionGuid has already been registered, then return RETURN_ALREADY_STARTED. - If there are not enough resources available to register the handlers then RETURN_OUT_OF_RESOURCES is returned. - - If SectionGuid is NULL, then ASSERT(). - If GetInfoHandler is NULL, then ASSERT(). - If DecodeHandler is NULL, then ASSERT(). - - @param[in] SectionGuid A pointer to the GUID associated with the the handlers - of the GUIDed section type being registered. - @param[in] GetInfoHandler Pointer to a function that examines a GUIDed section and returns the - size of the decoded buffer and the size of an optional scratch buffer - required to actually decode the data in a GUIDed section. - @param[in] DecodeHandler Pointer to a function that decodes a GUIDed section into a caller - allocated output buffer. - - @retval RETURN_SUCCESS The handlers were registered. - @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to register the handlers. - -**/ -RETURN_STATUS -EFIAPI -ExtractGuidedSectionRegisterHandlers ( - IN CONST GUID *SectionGuid, - IN EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER GetInfoHandler, - IN EXTRACT_GUIDED_SECTION_DECODE_HANDLER DecodeHandler - ) -{ - EFI_STATUS Status; - UINT32 Index; - EXTRACT_GUIDED_SECTION_HANDLER_INFO *HandlerInfo; - - // - // Check input paramter - // - ASSERT (SectionGuid != NULL); - ASSERT (GetInfoHandler != NULL); - ASSERT (DecodeHandler != NULL); - - // - // Get the registered handler information - // - Status = GetExtractGuidedSectionHandlerInfo (&HandlerInfo); - if (EFI_ERROR (Status)) { - return Status; - } - - // - // Search the match registered GetInfo handler for the input guided section. - // - for (Index = 0; Index < HandlerInfo->NumberOfExtractHandler; Index ++) { - if (CompareGuid (HandlerInfo->ExtractHandlerGuidTable + Index, SectionGuid)) { - // - // If the guided handler has been registered before, only update its handler. - // - HandlerInfo->ExtractDecodeHandlerTable [Index] = DecodeHandler; - HandlerInfo->ExtractGetInfoHandlerTable [Index] = GetInfoHandler; - return RETURN_SUCCESS; - } - } - - // - // Check the global table is enough to contain new Handler. - // - if (HandlerInfo->NumberOfExtractHandler >= PcdGet32 (PcdMaximumGuidedExtractHandler)) { - return RETURN_OUT_OF_RESOURCES; - } - - // - // Register new Handler and guid value. - // - CopyGuid (HandlerInfo->ExtractHandlerGuidTable + HandlerInfo->NumberOfExtractHandler, SectionGuid); - HandlerInfo->ExtractDecodeHandlerTable [HandlerInfo->NumberOfExtractHandler] = DecodeHandler; - HandlerInfo->ExtractGetInfoHandlerTable [HandlerInfo->NumberOfExtractHandler++] = GetInfoHandler; - - return RETURN_SUCCESS; -} - -/** - Retrieves a GUID from a GUIDed section and uses that GUID to select an associated handler of type - EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers(). - The selected handler is used to retrieve and return the size of the decoded buffer and the size of an - optional scratch buffer required to actually decode the data in a GUIDed section. - - Examines a GUIDed section specified by InputSection. - If GUID for InputSection does not match any of the GUIDs registered through ExtractGuidedSectionRegisterHandlers(), - then RETURN_UNSUPPORTED is returned. - If the GUID of InputSection does match the GUID that this handler supports, then the the associated handler - of type EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers() - is used to retrieve the OututBufferSize, ScratchSize, and Attributes values. The return status from the handler of - type EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER is returned. - - If InputSection is NULL, then ASSERT(). - If OutputBufferSize is NULL, then ASSERT(). - If ScratchBufferSize is NULL, then ASSERT(). - If SectionAttribute is NULL, then ASSERT(). - - @param[in] InputSection A pointer to a GUIDed section of an FFS formatted file. - @param[out] OutputBufferSize A pointer to the size, in bytes, of an output buffer required if the buffer - specified by InputSection were decoded. - @param[out] ScratchBufferSize A pointer to the size, in bytes, required as scratch space if the buffer specified by - InputSection were decoded. - @param[out] SectionAttribute A pointer to the attributes of the GUIDed section. See the Attributes field of - EFI_GUID_DEFINED_SECTION in the PI Specification. - - @retval RETURN_SUCCESS Get the required information successfully. - @retval RETURN_UNSUPPORTED The GUID from the section specified by InputSection does not match any of - the GUIDs registered with ExtractGuidedSectionRegisterHandlers(). - @retval Others The return status from the handler associated with the GUID retrieved from - the section specified by InputSection. - -**/ -RETURN_STATUS -EFIAPI -ExtractGuidedSectionGetInfo ( - IN CONST VOID *InputSection, - OUT UINT32 *OutputBufferSize, - OUT UINT32 *ScratchBufferSize, - OUT UINT16 *SectionAttribute - ) -{ - UINT32 Index; - EFI_STATUS Status; - EXTRACT_GUIDED_SECTION_HANDLER_INFO *HandlerInfo; - - // - // Check input paramter - // - ASSERT (InputSection != NULL); - ASSERT (OutputBufferSize != NULL); - ASSERT (ScratchBufferSize != NULL); - ASSERT (SectionAttribute != NULL); - - // - // Get all registered handler information. - // - Status = GetExtractGuidedSectionHandlerInfo (&HandlerInfo); - if (EFI_ERROR (Status)) { - return Status; - } - - // - // Search the match registered GetInfo handler for the input guided section. - // - for (Index = 0; Index < HandlerInfo->NumberOfExtractHandler; Index ++) { - if (CompareGuid (HandlerInfo->ExtractHandlerGuidTable + Index, &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) { - // - // Call the match handler to get info for the input section data. - // - return HandlerInfo->ExtractGetInfoHandlerTable [Index] ( - InputSection, - OutputBufferSize, - ScratchBufferSize, - SectionAttribute - ); - } - } - - // - // Not found, the input guided section is not supported. - // - return RETURN_UNSUPPORTED; -} - -/** - Retrieves the GUID from a GUIDed section and uses that GUID to select an associated handler of type - EXTRACT_GUIDED_SECTION_DECODE_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers(). - The selected handler is used to decode the data in a GUIDed section and return the result in a caller - allocated output buffer. - - Decodes the GUIDed section specified by InputSection. - If GUID for InputSection does not match any of the GUIDs registered through ExtractGuidedSectionRegisterHandlers(), - then RETURN_UNSUPPORTED is returned. - If the GUID of InputSection does match the GUID that this handler supports, then the the associated handler - of type EXTRACT_GUIDED_SECTION_DECODE_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers() - is used to decode InputSection into the buffer specified by OutputBuffer and the authentication status of this - decode operation is returned in AuthenticationStatus. If the decoded buffer is identical to the data in InputSection, - then OutputBuffer is set to point at the data in InputSection. Otherwise, the decoded data will be placed in caller - allocated buffer specified by OutputBuffer. This function is responsible for computing the EFI_AUTH_STATUS_PLATFORM_OVERRIDE - bit of in AuthenticationStatus. The return status from the handler of type EXTRACT_GUIDED_SECTION_DECODE_HANDLER is returned. - - If InputSection is NULL, then ASSERT(). - If OutputBuffer is NULL, then ASSERT(). - If ScratchBuffer is NULL and this decode operation requires a scratch buffer, then ASSERT(). - If AuthenticationStatus is NULL, then ASSERT(). - - @param[in] InputSection A pointer to a GUIDed section of an FFS formatted file. - @param[out] OutputBuffer A pointer to a buffer that contains the result of a decode operation. - @param[in] ScratchBuffer A caller allocated buffer that may be required by this function as a scratch buffer to perform the decode operation. - @param[out] AuthenticationStatus - A pointer to the authentication status of the decoded output buffer. See the definition - of authentication status in the EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI section of the PI - Specification. - - @retval RETURN_SUCCESS The buffer specified by InputSection was decoded. - @retval RETURN_UNSUPPORTED The section specified by InputSection does not match the GUID this handler supports. - @retval RETURN_INVALID_PARAMETER The section specified by InputSection can not be decoded. - -**/ -RETURN_STATUS -EFIAPI -ExtractGuidedSectionDecode ( - IN CONST VOID *InputSection, - OUT VOID **OutputBuffer, - IN VOID *ScratchBuffer, OPTIONAL - OUT UINT32 *AuthenticationStatus - ) -{ - UINT32 Index; - EFI_STATUS Status; - EXTRACT_GUIDED_SECTION_HANDLER_INFO *HandlerInfo; - - // - // Check input parameter - // - ASSERT (InputSection != NULL); - ASSERT (OutputBuffer != NULL); - ASSERT (AuthenticationStatus != NULL); - - // - // Get all registered handler information. - // - Status = GetExtractGuidedSectionHandlerInfo (&HandlerInfo); - if (EFI_ERROR (Status)) { - return Status; - } - - // - // Search the match registered Extract handler for the input guided section. - // - for (Index = 0; Index < HandlerInfo->NumberOfExtractHandler; Index ++) { - if (CompareGuid (HandlerInfo->ExtractHandlerGuidTable + Index, &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) { - // - // Call the match handler to extract raw data for the input guided section. - // - return HandlerInfo->ExtractDecodeHandlerTable [Index] ( - InputSection, - OutputBuffer, - ScratchBuffer, - AuthenticationStatus - ); - } - } - - // - // Not found, the input guided section is not supported. - // - return RETURN_UNSUPPORTED; -} diff --git a/OvmfPkg/Library/SecExtractGuidedSectionLib/SecExtractGuidedSectionLib.inf b/OvmfPkg/Library/SecExtractGuidedSectionLib/SecExtractGuidedSectionLib.inf deleted file mode 100644 index 329ac6c9bd..0000000000 --- a/OvmfPkg/Library/SecExtractGuidedSectionLib/SecExtractGuidedSectionLib.inf +++ /dev/null @@ -1,41 +0,0 @@ -## @file -# Instance of ExtractGuidedSection Library for SEC phase. -# -# Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.
-# -# 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 -# http://opensource.org/licenses/bsd-license.php -# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. -# -## - -[Defines] - INF_VERSION = 0x00010005 - BASE_NAME = SecExtractGuidedSectionLib - FILE_GUID = 4e3236e9-d1c8-4c04-a89f-26f1c44b2592 - MODULE_TYPE = BASE - VERSION_STRING = 1.0 - LIBRARY_CLASS = ExtractGuidedSectionLib - -# -# The following information is for reference only and not required by the build tools. -# -# VALID_ARCHITECTURES = IA32 X64 IPF EBC (EBC is for build only) -# - -[Sources] - SecExtractGuidedSectionLib.c - -[Packages] - MdePkg/MdePkg.dec - -[LibraryClasses] - BaseMemoryLib - DebugLib - PcdLib - -[Pcd] - gEfiMdePkgTokenSpaceGuid.PcdMaximumGuidedExtractHandler ## CONSUMES -- cgit v1.2.3