-/*++\r
+/**@file\r
+ Last PEIM.\r
+ Responsibility of this module is to load the DXE Core from a Firmware Volume.\r
\r
-Copyright (c) 2006, Intel Corporation\r
+Copyright (c) 2006 - 2007 Intel Corporation\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
-Module Name:\r
-\r
- DxeLoad.c\r
-\r
-Abstract:\r
-\r
- Last PEIM.\r
- Responsibility of this module is to load the DXE Core from a Firmware Volume.\r
-\r
---*/\r
+**/\r
\r
#include "DxeIpl.h"\r
#include <Ppi/GuidedSectionExtraction.h>\r
-\r
-// porting note remove later\r
-#include "FrameworkPei.h"\r
-// end of remove later\r
+#include <FrameworkPei.h>\r
\r
EFI_STATUS\r
CustomDecompressExtractSection (\r
OUT UINT32 *AuthenticationStatus\r
);\r
\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI \r
+Decompress (\r
+ IN CONST EFI_PEI_DECOMPRESS_PPI *This,\r
+ IN CONST EFI_COMPRESSION_SECTION *InputSection,\r
+ OUT VOID **OutputBuffer,\r
+ OUT UINTN *OutputSize\r
+);\r
+\r
+\r
BOOLEAN gInMemory = FALSE;\r
\r
//\r
DxeLoadCore\r
};\r
\r
-static EFI_PEI_FV_FILE_LOADER_PPI mLoadFilePpi = {\r
- DxeIplLoadFile\r
+STATIC EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomDecompressExtractiongPpi = {\r
+ CustomDecompressExtractSection\r
};\r
\r
-static EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomDecompressExtractiongPpi = {\r
- CustomDecompressExtractSection\r
+STATIC EFI_PEI_DECOMPRESS_PPI mDecompressPpi = {\r
+ Decompress\r
};\r
\r
static EFI_PEI_PPI_DESCRIPTOR mPpiList[] = {\r
{\r
- EFI_PEI_PPI_DESCRIPTOR_PPI,\r
- &gEfiPeiFvFileLoaderPpiGuid,\r
- &mLoadFilePpi\r
+ EFI_PEI_PPI_DESCRIPTOR_PPI,\r
+ &gEfiDxeIplPpiGuid,\r
+ &mDxeIplPpi\r
},\r
{\r
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
- &gEfiDxeIplPpiGuid,\r
- &mDxeIplPpi\r
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
+ &gEfiPeiDecompressPpiGuid,\r
+ &mDecompressPpi\r
}\r
};\r
\r
NULL\r
};\r
\r
+STATIC EFI_PEI_FIRMWARE_VOLUME_INFO_PPI mFvInfoPpiTemplate = {\r
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID,\r
+ NULL,\r
+ 0, //FvInfoSize\r
+ NULL, //ParentFvName\r
+ NULL //ParentFileName;\r
+};\r
+\r
+/**\r
+ Initializes the Dxe Ipl PPI\r
+\r
+ @param FfsHandle The handle of FFS file.\r
+ @param PeiServices General purpose services available to\r
+ every PEIM.\r
+ @return EFI_SUCESS \r
+*/ \r
EFI_STATUS\r
EFIAPI\r
PeimInitializeDxeIpl (\r
- IN EFI_FFS_FILE_HEADER *FfsHeader,\r
+ IN EFI_PEI_FILE_HANDLE FfsHandle,\r
IN EFI_PEI_SERVICES **PeiServices\r
)\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Initializes the Dxe Ipl PPI\r
-\r
-Arguments:\r
-\r
- FfsHeader - Pointer to FFS file header\r
- PeiServices - General purpose services available to every PEIM.\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS\r
-\r
---*/\r
{\r
EFI_STATUS Status;\r
- EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r
EFI_BOOT_MODE BootMode;\r
EFI_GUID **DecompressGuidList;\r
UINT32 DecompressMethodNumber;\r
Status = PeiServicesGetBootMode (&BootMode);\r
ASSERT_EFI_ERROR (Status);\r
\r
- if (!gInMemory && (BootMode != BOOT_ON_S3_RESUME)) { \r
- //\r
- // The DxeIpl has not yet been shadowed\r
- //\r
- PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r
+ if (BootMode != BOOT_ON_S3_RESUME) {\r
+ Status = PeiServicesRegisterForShadow (FfsHandle);\r
+ if (Status == EFI_SUCCESS) {\r
\r
- //\r
- // Shadow DxeIpl and then re-run its entry point\r
- //\r
- Status = ShadowDxeIpl (FfsHeader, PeiEfiPeiPeCoffLoader);\r
- } else {\r
- //\r
- // Get custom decompress method guid list \r
- //\r
- DecompressGuidList = NULL;\r
- DecompressMethodNumber = 0;\r
- Status = CustomDecompressGetAlgorithms (DecompressGuidList, &DecompressMethodNumber);\r
- if (Status == EFI_OUT_OF_RESOURCES) {\r
+ gInMemory = TRUE;\r
+ //\r
+ // EFI_SUCESS means the first time call register for shadow \r
+ // \r
+ return Status;\r
+ } else if (Status == EFI_ALREADY_STARTED) {\r
+\r
+\r
+ //\r
+ // Get custom decompress method guid list \r
+ //\r
+ DecompressGuidList = NULL;\r
+ DecompressMethodNumber = 0;\r
+ Status = CustomDecompressGetAlgorithms (DecompressGuidList, &DecompressMethodNumber);\r
+ if (Status == EFI_OUT_OF_RESOURCES) {\r
DecompressGuidList = (EFI_GUID **) AllocatePages (EFI_SIZE_TO_PAGES (DecompressMethodNumber * sizeof (EFI_GUID *)));\r
ASSERT (DecompressGuidList != NULL);\r
Status = CustomDecompressGetAlgorithms (DecompressGuidList, &DecompressMethodNumber);\r
- }\r
- ASSERT_EFI_ERROR(Status);\r
-\r
- //\r
- // Install custom decompress extraction guid ppi\r
- //\r
- if (DecompressMethodNumber > 0) {\r
- GuidPpi = NULL;\r
- GuidPpi = (EFI_PEI_PPI_DESCRIPTOR *) AllocatePages (EFI_SIZE_TO_PAGES (DecompressMethodNumber * sizeof (EFI_PEI_PPI_DESCRIPTOR)));\r
- ASSERT (GuidPpi != NULL);\r
- while (DecompressMethodNumber-- > 0) {\r
- GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r
- GuidPpi->Ppi = &mCustomDecompressExtractiongPpi;\r
- GuidPpi->Guid = DecompressGuidList [DecompressMethodNumber];\r
- Status = PeiServicesInstallPpi (GuidPpi++);\r
- ASSERT_EFI_ERROR(Status);\r
}\r
+ ASSERT_EFI_ERROR(Status);\r
+ \r
+ //\r
+ // Install custom decompress extraction guid ppi\r
+ //\r
+ if (DecompressMethodNumber > 0) {\r
+ GuidPpi = NULL;\r
+ GuidPpi = (EFI_PEI_PPI_DESCRIPTOR *) AllocatePages (EFI_SIZE_TO_PAGES (DecompressMethodNumber * sizeof (EFI_PEI_PPI_DESCRIPTOR)));\r
+ ASSERT (GuidPpi != NULL);\r
+ while (DecompressMethodNumber-- > 0) {\r
+ GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r
+ GuidPpi->Ppi = &mCustomDecompressExtractiongPpi;\r
+ GuidPpi->Guid = DecompressGuidList [DecompressMethodNumber];\r
+ Status = PeiServicesInstallPpi (GuidPpi++);\r
+ ASSERT_EFI_ERROR(Status);\r
+ }\r
+ }\r
+ } else {\r
+ ASSERT_EFI_ERROR (FALSE);\r
}\r
- \r
- //\r
- // Install FvFileLoader and DxeIpl PPIs.\r
- //\r
- Status = PeiServicesInstallPpi (mPpiList);\r
- ASSERT_EFI_ERROR(Status);\r
}\r
\r
+ //\r
+ // Install FvFileLoader and DxeIpl PPIs.\r
+ //\r
+ Status = PeiServicesInstallPpi (mPpiList);\r
+ ASSERT_EFI_ERROR(Status); \r
+ \r
return Status;\r
}\r
\r
+/**\r
+ Main entry point to last PEIM \r
+ \r
+ @param This Entry point for DXE IPL PPI\r
+ @param PeiServices General purpose services available to every PEIM.\r
+ @param HobList Address to the Pei HOB list\r
+ \r
+ @return EFI_SUCCESS DXE core was successfully loaded. \r
+ @return EFI_OUT_OF_RESOURCES There are not enough resources to load DXE core.\r
+**/\r
EFI_STATUS\r
EFIAPI\r
DxeLoadCore (\r
IN EFI_PEI_SERVICES **PeiServices,\r
IN EFI_PEI_HOB_POINTERS HobList\r
)\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Main entry point to last PEIM\r
-\r
-Arguments:\r
- This - Entry point for DXE IPL PPI\r
- PeiServices - General purpose services available to every PEIM.\r
- HobList - Address to the Pei HOB list\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS - DEX core was successfully loaded.\r
- EFI_OUT_OF_RESOURCES - There are not enough resources to load DXE core.\r
-\r
---*/\r
{\r
EFI_STATUS Status;\r
EFI_GUID DxeCoreFileName;\r
- EFI_GUID FirmwareFileName;\r
- VOID *Pe32Data;\r
- VOID *FvImageData; \r
EFI_PHYSICAL_ADDRESS DxeCoreAddress;\r
UINT64 DxeCoreSize;\r
EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint;\r
EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r
EFI_BOOT_MODE BootMode;\r
- EFI_PEI_RECOVERY_MODULE_PPI *PeiRecovery;\r
- EFI_PEI_S3_RESUME_PPI *S3Resume;\r
-\r
-// PERF_START (PeiServices, L"DxeIpl", NULL, 0);\r
+ EFI_PEI_FV_HANDLE VolumeHandle;\r
+ EFI_PEI_FILE_HANDLE FileHandle;\r
+ UINTN Instance;\r
\r
//\r
// if in S3 Resume, restore configure\r
ASSERT_EFI_ERROR(Status);\r
\r
if (BootMode == BOOT_ON_S3_RESUME) {\r
- Status = PeiServicesLocatePpi (\r
- &gEfiPeiS3ResumePpiGuid,\r
- 0,\r
- NULL,\r
- (VOID **)&S3Resume\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- Status = S3Resume->S3RestoreConfig (PeiServices);\r
+ Status = AcpiS3ResumeOs();\r
ASSERT_EFI_ERROR (Status);\r
} else if (BootMode == BOOT_IN_RECOVERY_MODE) {\r
-\r
- Status = PeiServicesLocatePpi (\r
- &gEfiPeiRecoveryModulePpiGuid,\r
- 0,\r
- NULL,\r
- (VOID **)&PeiRecovery\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- Status = PeiRecovery->LoadRecoveryCapsule (PeiServices, PeiRecovery);\r
+ Status = PeiRecoverFirmware ();\r
if (EFI_ERROR (Status)) {\r
DEBUG ((EFI_D_ERROR, "Load Recovery Capsule Failed.(Status = %r)\n", Status));\r
CpuDeadLoop ();\r
//\r
// Install the PEI Protocols that are shared between PEI and DXE\r
//\r
- PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r
+ PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *) GetPeCoffLoaderProtocol ();\r
ASSERT (PeiEfiPeiPeCoffLoader != NULL);\r
-\r
+ \r
//\r
- // Find the EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE type compressed Firmware Volume file\r
- // The file found will be processed by PeiProcessFile: It will first be decompressed to\r
- // a normal FV, then a corresponding FV type hob will be built. \r
+ // If any FV contains an encapsulated FV extract that FV\r
//\r
- Status = PeiFindFile (\r
- EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,\r
- EFI_SECTION_FIRMWARE_VOLUME_IMAGE,\r
- &FirmwareFileName,\r
- &FvImageData\r
- );\r
-\r
+ DxeIplAddEncapsulatedFirmwareVolumes ();\r
+ \r
//\r
- // Find the DXE Core in a Firmware Volume\r
+ // Look in all the FVs present in PEI and find the DXE Core\r
//\r
- Status = PeiFindFile (\r
- EFI_FV_FILETYPE_DXE_CORE,\r
- EFI_SECTION_PE32,\r
- &DxeCoreFileName,\r
- &Pe32Data\r
- );\r
+ Instance = 0;\r
+ Status = DxeIplFindFirmwareVolumeInstance (&Instance, EFI_FV_FILETYPE_DXE_CORE, &VolumeHandle, &FileHandle);\r
ASSERT_EFI_ERROR (Status);\r
\r
+ CopyMem(&DxeCoreFileName, &(((EFI_FFS_FILE_HEADER*)FileHandle)->Name), sizeof (EFI_GUID));\r
+\r
//\r
// Load the DXE Core from a Firmware Volume\r
//\r
Status = PeiLoadFile (\r
- PeiEfiPeiPeCoffLoader,\r
- Pe32Data,\r
- &DxeCoreAddress,\r
- &DxeCoreSize,\r
- &DxeCoreEntryPoint\r
- );\r
+ FileHandle,\r
+ &DxeCoreAddress,\r
+ &DxeCoreSize,\r
+ &DxeCoreEntryPoint\r
+ );\r
+\r
ASSERT_EFI_ERROR (Status);\r
\r
//\r
// Transfer control to the DXE Core\r
// The handoff state is simply a pointer to the HOB list\r
//\r
-\r
DEBUG ((EFI_D_INFO, "DXE Core Entry Point 0x%08x\n", (UINTN) DxeCoreEntryPoint));\r
HandOffToDxeCore (DxeCoreEntryPoint, HobList, &mPpiSignal);\r
//\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
+\r
+STATIC\r
EFI_STATUS\r
-PeiFindFile (\r
- IN UINT8 Type,\r
- IN EFI_SECTION_TYPE SectionType,\r
- OUT EFI_GUID *FileName,\r
- OUT VOID **Pe32Data\r
+GetFvAlignment (\r
+ IN EFI_FIRMWARE_VOLUME_HEADER *FvHeader,\r
+ OUT UINT32 *FvAlignment\r
)\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Finds a PE/COFF of a specific Type and SectionType in the Firmware Volumes\r
- described in the HOB list. Able to search in a compression set in a FFS file.\r
- But only one level of compression is supported, that is, not able to search\r
- in a compression set that is within another compression set.\r
-\r
-Arguments:\r
+{\r
+ //\r
+ // Because FvLength in FvHeader is UINT64 type, \r
+ // so FvHeader must meed at least 8 bytes alignment.\r
+ // Get the appropriate alignment requirement.\r
+ // \r
+ if ((FvHeader->Attributes & EFI_FVB2_ALIGNMENT) < EFI_FVB2_ALIGNMENT_8) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+ \r
+ *FvAlignment = 1 << ((FvHeader->Attributes & EFI_FVB2_ALIGNMENT) >> 16);\r
+ return EFI_SUCCESS;\r
+}\r
\r
- Type - The Type of file to retrieve\r
+/**\r
+ Search EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE image and expand \r
+ as memory FV \r
+ \r
+ @return EFI_OUT_OF_RESOURCES There are no memory space to exstract FV\r
+ @return EFI_SUCESS Sucess to find the FV \r
+**/\r
+EFI_STATUS\r
+DxeIplAddEncapsulatedFirmwareVolumes (\r
+ VOID\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_STATUS VolumeStatus;\r
+ UINTN Index;\r
+ EFI_FV_INFO VolumeInfo; \r
+ EFI_PEI_FV_HANDLE VolumeHandle;\r
+ EFI_PEI_FILE_HANDLE FileHandle;\r
+ UINT32 SectionLength;\r
+ EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r
+ EFI_FIRMWARE_VOLUME_IMAGE_SECTION *SectionHeader;\r
+ VOID *DstBuffer;\r
+ UINT32 FvAlignment;\r
+ EFI_PEI_FIRMWARE_VOLUME_INFO_PPI *FvInfoPpi;\r
+ EFI_PEI_PPI_DESCRIPTOR *FvInfoPpiDescriptor;\r
+\r
+ Status = EFI_NOT_FOUND;\r
+ Index = 0;\r
\r
- SectionType - The type of section to retrieve from a file\r
+ do {\r
+ VolumeStatus = DxeIplFindFirmwareVolumeInstance (\r
+ &Index, \r
+ EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE, \r
+ &VolumeHandle, \r
+ &FileHandle\r
+ );\r
+ \r
+ if (!EFI_ERROR (VolumeStatus)) {\r
+ Status = PeiServicesFfsFindSectionData (\r
+ EFI_SECTION_FIRMWARE_VOLUME_IMAGE, \r
+ (EFI_FFS_FILE_HEADER *)FileHandle, \r
+ (VOID **)&FvHeader\r
+ );\r
+ \r
+ if (!EFI_ERROR (Status)) {\r
+ if (FvHeader->Signature == EFI_FVH_SIGNATURE) {\r
+ //\r
+ // Because FvLength in FvHeader is UINT64 type, \r
+ // so FvHeader must meed at least 8 bytes alignment.\r
+ // If current FvImage base address doesn't meet its alignment,\r
+ // we need to reload this FvImage to another correct memory address.\r
+ //\r
+ Status = GetFvAlignment(FvHeader, &FvAlignment); \r
+ if (EFI_ERROR(Status)) {\r
+ return Status;\r
+ }\r
+ if (((UINTN) FvHeader % FvAlignment) != 0) {\r
+ SectionHeader = (EFI_FIRMWARE_VOLUME_IMAGE_SECTION*)((UINTN)FvHeader - sizeof(EFI_FIRMWARE_VOLUME_IMAGE_SECTION));\r
+ SectionLength = *(UINT32 *)SectionHeader->Size & 0x00FFFFFF;\r
+ \r
+ DstBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINTN) SectionLength - sizeof (EFI_COMMON_SECTION_HEADER)), FvAlignment);\r
+ if (DstBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ CopyMem (DstBuffer, FvHeader, (UINTN) SectionLength - sizeof (EFI_COMMON_SECTION_HEADER));\r
+ FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) DstBuffer; \r
+ }\r
\r
- FileName - The name of the file found in the Firmware Volume\r
+ //\r
+ // This new Firmware Volume comes from a firmware file within a firmware volume.\r
+ // Record the original Firmware Volume Name.\r
+ //\r
+ PeiServicesFfsGetVolumeInfo (&VolumeHandle, &VolumeInfo);\r
\r
- Pe32Data - Pointer to the beginning of the PE/COFF file found in the Firmware Volume\r
+ //\r
+ // Prepare to install FirmwareVolumeInfo PPI to expose new FV to PeiCore.\r
+ //\r
+ FvInfoPpi = AllocateCopyPool (sizeof (EFI_PEI_FIRMWARE_VOLUME_INFO_PPI), &mFvInfoPpiTemplate);\r
+ ASSERT(FvInfoPpi != NULL);\r
+\r
+ FvInfoPpi->FvInfo = (VOID*)FvHeader;\r
+ FvInfoPpi->FvInfoSize = (UINT32)FvHeader->FvLength;\r
+ CopyMem (\r
+ &FvInfoPpi->ParentFvName,\r
+ &(VolumeInfo.FvName),\r
+ sizeof (EFI_GUID)\r
+ );\r
+ CopyMem (\r
+ &FvInfoPpi->ParentFileName,\r
+ &(((EFI_FFS_FILE_HEADER*)FileHandle)->Name),\r
+ sizeof (EFI_GUID)\r
+ );\r
\r
-Returns:\r
+ FvInfoPpiDescriptor = AllocatePool (sizeof(EFI_PEI_PPI_DESCRIPTOR));\r
+ ASSERT (FvInfoPpiDescriptor != NULL);\r
+ \r
+ FvInfoPpiDescriptor->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI|EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r
+ FvInfoPpiDescriptor->Guid = &gEfiPeiFirmwareVolumeInfoPpiGuid;\r
+ FvInfoPpiDescriptor->Ppi = (VOID *) FvInfoPpi;\r
\r
- EFI_SUCCESS - The file was found, and the name is returned in FileName, and a pointer to\r
- the PE/COFF image is returned in Pe32Data\r
+ Status = PeiServicesInstallPpi (FvInfoPpiDescriptor);\r
+ ASSERT_EFI_ERROR (Status);\r
\r
- EFI_NOT_FOUND - The file was not found in the Firmware Volumes present in the HOB List\r
+ //\r
+ // Makes the encapsulated volume show up in DXE phase to skip processing of\r
+ // encapsulated file again.\r
+ //\r
+ BuildFv2Hob (\r
+ (EFI_PHYSICAL_ADDRESS)(UINTN)FvHeader,\r
+ FvHeader->FvLength, \r
+ &VolumeInfo.FvName,\r
+ &(((EFI_FFS_FILE_HEADER *)FileHandle)->Name)\r
+ );\r
+ return Status;\r
+ }\r
+ }\r
+ }\r
+ } while (!EFI_ERROR (VolumeStatus));\r
+ \r
+ return Status;\r
+}\r
\r
---*/\r
+/**\r
+ Find the First Volume that contains the first FileType.\r
+\r
+ @param Instance The Fv instance.\r
+ @param SeachType The type of file to search.\r
+ @param VolumeHandle Pointer to Fv which contains the file to search. \r
+ @param FileHandle Pointer to FFS file to search.\r
+ \r
+ @return EFI_SUCESS Success to find the FFS in specificed FV\r
+ @return others Fail to find the FFS in specificed FV\r
+ */\r
+EFI_STATUS\r
+DxeIplFindFirmwareVolumeInstance (\r
+ IN OUT UINTN *Instance,\r
+ IN EFI_FV_FILETYPE SeachType,\r
+ OUT EFI_PEI_FV_HANDLE *VolumeHandle,\r
+ OUT EFI_PEI_FILE_HANDLE *FileHandle\r
+ )\r
{\r
- EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r
- EFI_FFS_FILE_HEADER *FfsFileHeader;\r
- EFI_STATUS Status;\r
- EFI_PEI_HOB_POINTERS Hob;\r
-\r
-\r
- FwVolHeader = NULL;\r
- FfsFileHeader = NULL;\r
- Status = EFI_SUCCESS;\r
+ EFI_STATUS Status;\r
+ EFI_STATUS VolumeStatus;\r
\r
- //\r
- // For each Firmware Volume, look for a specified type\r
- // of file and break out until no one is found \r
- //\r
- Hob.Raw = GetHobList ();\r
- while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, Hob.Raw)) != NULL) {\r
- FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (Hob.FirmwareVolume->BaseAddress);\r
- //\r
- // Make sure the FV HOB does not get corrupted.\r
- //\r
- ASSERT (FwVolHeader->Signature == EFI_FVH_SIGNATURE);\r
-\r
- Status = PeiServicesFfsFindNextFile (\r
- Type,\r
- FwVolHeader,\r
- &FfsFileHeader\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- Status = PeiProcessFile (\r
- SectionType,\r
- FfsFileHeader,\r
- Pe32Data,\r
- &Hob\r
- );\r
- CopyMem (FileName, &FfsFileHeader->Name, sizeof (EFI_GUID));\r
- //\r
- // Find all Fv type ffs to get all FvImage and add them into FvHob\r
- //\r
- if (!EFI_ERROR (Status) && (Type != EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE)) {\r
- return EFI_SUCCESS;\r
+ do {\r
+ VolumeStatus = PeiServicesFfsFindNextVolume (*Instance, VolumeHandle);\r
+ if (!EFI_ERROR (VolumeStatus)) {\r
+ *FileHandle = NULL;\r
+ Status = PeiServicesFfsFindNextFile (SeachType, *VolumeHandle, FileHandle);\r
+ if (!EFI_ERROR (Status)) {\r
+ return Status;\r
}\r
}\r
- Hob.Raw = GET_NEXT_HOB (Hob);\r
- }\r
- return EFI_NOT_FOUND;\r
+ *Instance += 1;\r
+ } while (!EFI_ERROR (VolumeStatus));\r
+\r
+ return VolumeStatus;\r
}\r
\r
+/**\r
+ Loads and relocates a PE/COFF image into memory.\r
+\r
+ @param FileHandle The image file handle\r
+ @param ImageAddress The base address of the relocated PE/COFF image\r
+ @param ImageSize The size of the relocated PE/COFF image\r
+ @param EntryPoint The entry point of the relocated PE/COFF image\r
+ \r
+ @return EFI_SUCCESS The file was loaded and relocated\r
+ @return EFI_OUT_OF_RESOURCES There was not enough memory to load and relocate the PE/COFF file\r
+**/\r
EFI_STATUS\r
PeiLoadFile (\r
- IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader,\r
- IN VOID *Pe32Data,\r
+ IN EFI_PEI_FILE_HANDLE FileHandle,\r
OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r
OUT UINT64 *ImageSize,\r
OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r
)\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Loads and relocates a PE/COFF image into memory.\r
-\r
-Arguments:\r
-\r
- PeiEfiPeiPeCoffLoader - Pointer to a PE COFF loader protocol\r
-\r
- Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated\r
-\r
- ImageAddress - The base address of the relocated PE/COFF image\r
-\r
- ImageSize - The size of the relocated PE/COFF image\r
-\r
- EntryPoint - The entry point of the relocated PE/COFF image\r
-\r
-Returns:\r
+{\r
\r
- EFI_SUCCESS - The file was loaded and relocated\r
+ EFI_STATUS Status;\r
+ PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r
+ VOID *Pe32Data;\r
+ EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r
\r
- EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file\r
+ PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r
+ //\r
+ // First try to find the required section in this ffs file.\r
+ //\r
+ Status = PeiServicesFfsFindSectionData (\r
+ EFI_SECTION_PE32,\r
+ FileHandle,\r
+ &Pe32Data\r
+ );\r
\r
---*/\r
-{\r
- EFI_STATUS Status;\r
- PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r
+ if (EFI_ERROR (Status)) {\r
+ Status = PeiServicesFfsFindSectionData (\r
+ EFI_SECTION_TE,\r
+ FileHandle,\r
+ &Pe32Data\r
+ );\r
+ }\r
+ \r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // NO image types we support so exit.\r
+ //\r
+ return Status;\r
+ }\r
\r
ZeroMem (&ImageContext, sizeof (ImageContext));\r
ImageContext.Handle = Pe32Data;\r
return EFI_SUCCESS;\r
}\r
\r
-EFI_STATUS\r
-ShadowDxeIpl (\r
- IN EFI_FFS_FILE_HEADER *DxeIplFileHeader,\r
- IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Shadow the DXE IPL to a different memory location. This occurs after permanent\r
- memory has been discovered.\r
-\r
-Arguments:\r
-\r
- DxeIplFileHeader - Pointer to the FFS file header of the DXE IPL driver\r
-\r
- PeiEfiPeiPeCoffLoader - Pointer to a PE COFF loader protocol\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS - DXE IPL was successfully shadowed to a different memory location.\r
-\r
- EFI_ ERROR - The shadow was unsuccessful.\r
-\r
-\r
---*/\r
-{\r
- UINTN SectionLength;\r
- UINTN OccupiedSectionLength;\r
- EFI_PHYSICAL_ADDRESS DxeIplAddress;\r
- UINT64 DxeIplSize;\r
- EFI_PHYSICAL_ADDRESS DxeIplEntryPoint;\r
- EFI_STATUS Status;\r
- EFI_COMMON_SECTION_HEADER *Section;\r
-\r
- Section = (EFI_COMMON_SECTION_HEADER *) (DxeIplFileHeader + 1);\r
-\r
- while ((Section->Type != EFI_SECTION_PE32) && (Section->Type != EFI_SECTION_TE)) {\r
- SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r
- OccupiedSectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);\r
- Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength);\r
- }\r
- //\r
- // Relocate DxeIpl into memory by using loadfile service\r
- //\r
- Status = PeiLoadFile (\r
- PeiEfiPeiPeCoffLoader,\r
- (VOID *) (Section + 1),\r
- &DxeIplAddress,\r
- &DxeIplSize,\r
- &DxeIplEntryPoint\r
- );\r
-\r
- if (Status == EFI_SUCCESS) {\r
- //\r
- // Set gInMemory global variable to TRUE to indicate the dxeipl is shadowed.\r
- //\r
- *(BOOLEAN *) ((UINTN) &gInMemory + (UINTN) DxeIplEntryPoint - (UINTN) _ModuleEntryPoint) = TRUE;\r
- Status = ((EFI_PEIM_ENTRY_POINT2) (UINTN) DxeIplEntryPoint) ((EFI_PEI_FILE_HANDLE *) DxeIplFileHeader, GetPeiServicesTablePointer());\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-DxeIplLoadFile (\r
- IN EFI_PEI_FV_FILE_LOADER_PPI *This,\r
- IN EFI_FFS_FILE_HEADER *FfsHeader,\r
- OUT EFI_PHYSICAL_ADDRESS *ImageAddress,\r
- OUT UINT64 *ImageSize,\r
- OUT EFI_PHYSICAL_ADDRESS *EntryPoint\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Given a pointer to an FFS file containing a PE32 image, get the\r
- information on the PE32 image, and then "load" it so that it\r
- can be executed.\r
-\r
-Arguments:\r
-\r
- This - pointer to our file loader protocol\r
-\r
- FfsHeader - pointer to the FFS file header of the FFS file that\r
- contains the PE32 image we want to load\r
-\r
- ImageAddress - returned address where the PE32 image is loaded\r
-\r
- ImageSize - returned size of the loaded PE32 image\r
-\r
- EntryPoint - entry point to the loaded PE32 image\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS - The FFS file was successfully loaded.\r
-\r
- EFI_ERROR - Unable to load the FFS file.\r
-\r
---*/\r
-{\r
- EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;\r
- EFI_STATUS Status;\r
- VOID *Pe32Data;\r
-\r
- Pe32Data = NULL;\r
- PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();\r
-\r
- //\r
- // Preprocess the FFS file to get a pointer to the PE32 information\r
- // in the enclosed PE32 image.\r
- //\r
- Status = PeiProcessFile (\r
- EFI_SECTION_TE,\r
- FfsHeader,\r
- &Pe32Data,\r
- NULL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- Status = PeiProcessFile (\r
- EFI_SECTION_PE32,\r
- FfsHeader,\r
- &Pe32Data,\r
- NULL\r
- );\r
- \r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
- }\r
- //\r
- // Load the PE image from the FFS file\r
- //\r
- Status = PeiLoadFile (\r
- PeiEfiPeiPeCoffLoader,\r
- Pe32Data,\r
- ImageAddress,\r
- ImageSize,\r
- EntryPoint\r
- );\r
-\r
- return Status;\r
-}\r
-\r
-EFI_STATUS\r
-PeiProcessFile (\r
- IN EFI_SECTION_TYPE SectionType,\r
- IN EFI_FFS_FILE_HEADER *FfsFileHeader,\r
- OUT VOID **Pe32Data,\r
- IN EFI_PEI_HOB_POINTERS *OrigHob\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
-Arguments:\r
-\r
- SectionType - The type of section in the FFS file to process.\r
-\r
- FfsFileHeader - Pointer to the FFS file to process, looking for the\r
- specified SectionType\r
-\r
- Pe32Data - returned pointer to the start of the PE32 image found\r
- in the FFS file.\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS - found the PE32 section in the FFS file\r
-\r
---*/\r
-{\r
- EFI_STATUS Status;\r
- UINT8 *DstBuffer;\r
- UINT8 *ScratchBuffer;\r
- UINTN DstBufferSize;\r
- UINT32 ScratchBufferSize;\r
- EFI_COMMON_SECTION_HEADER *CmpSection;\r
- UINTN CmpSectionLength;\r
- UINTN OccupiedCmpSectionLength;\r
- VOID *CmpFileData;\r
- UINTN CmpFileSize;\r
- EFI_COMMON_SECTION_HEADER *Section;\r
- UINTN SectionLength;\r
- UINTN OccupiedSectionLength;\r
- UINTN FileSize;\r
- EFI_FIRMWARE_VOLUME_HEADER *FvHeader;\r
- EFI_COMPRESSION_SECTION *CompressionSection;\r
- EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *SectionExtract;\r
- UINT32 AuthenticationStatus;\r
-\r
- //\r
- // First try to find the required section in this ffs file.\r
- //\r
- Status = PeiServicesFfsFindSectionData (\r
- SectionType,\r
- FfsFileHeader,\r
- Pe32Data\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
- \r
- //\r
- // If not found, the required section may be in guided or compressed section.\r
- // So, search guided or compressed section to process\r
- //\r
- Section = (EFI_COMMON_SECTION_HEADER *) (UINTN) (VOID *) ((UINT8 *) (FfsFileHeader) + (UINTN) sizeof (EFI_FFS_FILE_HEADER));\r
- FileSize = FfsFileHeader->Size[0] & 0xFF;\r
- FileSize += (FfsFileHeader->Size[1] << 8) & 0xFF00;\r
- FileSize += (FfsFileHeader->Size[2] << 16) & 0xFF0000;\r
- FileSize &= 0x00FFFFFF;\r
- OccupiedSectionLength = 0;\r
-\r
- do {\r
- //\r
- // Initialize local variables.\r
- //\r
- DstBuffer = NULL;\r
- DstBufferSize = 0; \r
-\r
- Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength);\r
- SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r
- OccupiedSectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);\r
-\r
- //\r
- // Was the DXE Core file encapsulated in a GUID'd section?\r
- //\r
- if (Section->Type == EFI_SECTION_GUID_DEFINED) {\r
- //\r
- // Set a default authenticatino state\r
- //\r
- AuthenticationStatus = 0;\r
- //\r
- // Locate extract guid section ppi\r
- //\r
- Status = PeiServicesLocatePpi (\r
- (EFI_GUID *) (Section + 1),\r
- 0,\r
- NULL,\r
- (VOID **)&SectionExtract\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- //\r
- // ignore the unknown guid section\r
- //\r
- continue;\r
- }\r
- //\r
- // Extract the contents from guid section\r
- //\r
- Status = SectionExtract->ExtractSection (\r
- SectionExtract,\r
- (VOID *) Section,\r
- (VOID **) &DstBuffer,\r
- &DstBufferSize,\r
- &AuthenticationStatus\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "Extract section content failed - %r\n", Status));\r
- return Status;\r
- }\r
- \r
- //\r
- // Todo check AuthenticationStatus and do the verify\r
- //\r
- } else if (Section->Type == EFI_SECTION_COMPRESSION) {\r
- //\r
- // This is a compression set, expand it\r
- //\r
- CompressionSection = (EFI_COMPRESSION_SECTION *) Section;\r
-\r
- switch (CompressionSection->CompressionType) {\r
- case EFI_STANDARD_COMPRESSION:\r
- //\r
- // Load EFI standard compression.\r
- // For compressed data, decompress them to dstbuffer.\r
- //\r
- Status = UefiDecompressGetInfo (\r
- (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r
- (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),\r
- (UINT32 *) &DstBufferSize,\r
- &ScratchBufferSize\r
- );\r
- if (EFI_ERROR (Status)) {\r
- //\r
- // GetInfo failed\r
- //\r
- DEBUG ((EFI_D_ERROR, "Decompress GetInfo Failed - %r\n", Status));\r
- return EFI_NOT_FOUND;\r
- }\r
- //\r
- // Allocate scratch buffer\r
- //\r
- ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r
- if (ScratchBuffer == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
- //\r
- // Allocate destination buffer\r
- //\r
- DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r
- if (DstBuffer == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
- //\r
- // Call decompress function\r
- //\r
- Status = UefiDecompress (\r
- (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r
- DstBuffer,\r
- ScratchBuffer\r
- );\r
- if (EFI_ERROR (Status)) {\r
- //\r
- // Decompress failed\r
- //\r
- DEBUG ((EFI_D_ERROR, "Decompress Failed - %r\n", Status));\r
- return EFI_NOT_FOUND;\r
- }\r
- break;\r
-\r
- // porting note the original branch for customized compress is removed, it should be change to use GUID compress\r
-\r
- case EFI_NOT_COMPRESSED:\r
- //\r
- // Allocate destination buffer\r
- //\r
- DstBufferSize = CompressionSection->UncompressedLength;\r
- DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r
- if (DstBuffer == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
- //\r
- // stream is not actually compressed, just encapsulated. So just copy it.\r
- //\r
- CopyMem (DstBuffer, CompressionSection + 1, DstBufferSize);\r
- break;\r
-\r
- default:\r
- //\r
- // Don't support other unknown compression type.\r
- //\r
- ASSERT_EFI_ERROR (Status);\r
- return EFI_NOT_FOUND;\r
- }\r
- } else {\r
- //\r
- // ignore other type sections\r
- //\r
- continue;\r
- }\r
-\r
- //\r
- // Extract contents from guided or compressed sections.\r
- // Loop the decompressed data searching for expected section.\r
- //\r
- CmpSection = (EFI_COMMON_SECTION_HEADER *) DstBuffer;\r
- CmpFileData = (VOID *) DstBuffer;\r
- CmpFileSize = DstBufferSize;\r
- do {\r
- CmpSectionLength = *(UINT32 *) (CmpSection->Size) & 0x00ffffff;\r
- if (CmpSection->Type == SectionType) {\r
- //\r
- // This is what we want\r
- //\r
- if (SectionType == EFI_SECTION_FIRMWARE_VOLUME_IMAGE) {\r
- // \r
- // Firmware Volume Image in this Section\r
- // Skip the section header to get FvHeader\r
- //\r
- FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (CmpSection + 1);\r
-\r
- if (FvHeader->Signature == EFI_FVH_SIGNATURE) {\r
- //\r
- // Because FvLength in FvHeader is UINT64 type, \r
- // so FvHeader must meed at least 8 bytes alignment.\r
- // If current FvImage base address doesn't meet its alignment,\r
- // we need to reload this FvImage to another correct memory address.\r
- //\r
- if (((UINTN) FvHeader % sizeof (UINT64)) != 0) {\r
- CopyMem (DstBuffer, FvHeader, (UINTN) CmpSectionLength - sizeof (EFI_COMMON_SECTION_HEADER));\r
- FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) DstBuffer; \r
- }\r
-\r
- //\r
- // Build new FvHob for new decompressed Fv image.\r
- //\r
- BuildFvHob ((EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader, FvHeader->FvLength);\r
- \r
- //\r
- // Set the original FvHob to unused.\r
- //\r
- if (OrigHob != NULL) {\r
- OrigHob->Header->HobType = EFI_HOB_TYPE_UNUSED;\r
- }\r
- //\r
- // return found FvImage data.\r
- //\r
- *Pe32Data = (VOID *) FvHeader;\r
- return EFI_SUCCESS;\r
- }\r
- } else {\r
- //\r
- // direct return the found section.\r
- //\r
- *Pe32Data = (VOID *) (CmpSection + 1);\r
- return EFI_SUCCESS;\r
- }\r
- }\r
- OccupiedCmpSectionLength = GET_OCCUPIED_SIZE (CmpSectionLength, 4);\r
- CmpSection = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) CmpSection + OccupiedCmpSectionLength);\r
- } while (CmpSection->Type != 0 && (UINTN) ((UINT8 *) CmpSection - (UINT8 *) CmpFileData) < CmpFileSize);\r
- } while (Section->Type != 0 && (UINTN) ((UINT8 *) Section + OccupiedSectionLength - (UINT8 *) FfsFileHeader) < FileSize);\r
-\r
- //\r
- // search all sections (compression and non compression) in this FFS, don't \r
- // find expected section.\r
- //\r
- return EFI_NOT_FOUND;\r
-}\r
-\r
/**\r
The ExtractSection() function processes the input section and\r
returns a pointer to the section contents. If the section being\r
\r
return EFI_SUCCESS;\r
}\r
+\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI \r
+Decompress (\r
+ IN CONST EFI_PEI_DECOMPRESS_PPI *This,\r
+ IN CONST EFI_COMPRESSION_SECTION *CompressionSection,\r
+ OUT VOID **OutputBuffer,\r
+ OUT UINTN *OutputSize\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINT8 *DstBuffer;\r
+ UINT8 *ScratchBuffer;\r
+ UINTN DstBufferSize;\r
+ UINT32 ScratchBufferSize;\r
+ EFI_COMMON_SECTION_HEADER *Section;\r
+ UINTN SectionLength;\r
+\r
+ if (CompressionSection->CommonHeader.Type != EFI_SECTION_COMPRESSION) {\r
+ ASSERT (FALSE);\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Section = (EFI_COMMON_SECTION_HEADER *) CompressionSection;\r
+ SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;\r
+ \r
+ //\r
+ // This is a compression set, expand it\r
+ //\r
+ switch (CompressionSection->CompressionType) {\r
+ case EFI_STANDARD_COMPRESSION:\r
+ //\r
+ // Load EFI standard compression.\r
+ // For compressed data, decompress them to dstbuffer.\r
+ //\r
+ Status = UefiDecompressGetInfo (\r
+ (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r
+ (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),\r
+ (UINT32 *) &DstBufferSize,\r
+ &ScratchBufferSize\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // GetInfo failed\r
+ //\r
+ DEBUG ((EFI_D_ERROR, "Decompress GetInfo Failed - %r\n", Status));\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ //\r
+ // Allocate scratch buffer\r
+ //\r
+ ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r
+ if (ScratchBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ //\r
+ // Allocate destination buffer\r
+ //\r
+ DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r
+ if (DstBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ //\r
+ // Call decompress function\r
+ //\r
+ Status = UefiDecompress (\r
+ (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r
+ DstBuffer,\r
+ ScratchBuffer\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // Decompress failed\r
+ //\r
+ DEBUG ((EFI_D_ERROR, "Decompress Failed - %r\n", Status));\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ break;\r
+\r
+ // porting note the original branch for customized compress is removed, it should be change to use GUID compress\r
+\r
+ case EFI_NOT_COMPRESSED:\r
+ //\r
+ // Allocate destination buffer\r
+ //\r
+ DstBufferSize = CompressionSection->UncompressedLength;\r
+ DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r
+ if (DstBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ //\r
+ // stream is not actually compressed, just encapsulated. So just copy it.\r
+ //\r
+ CopyMem (DstBuffer, CompressionSection + 1, DstBufferSize);\r
+ break;\r
+\r
+ default:\r
+ //\r
+ // Don't support other unknown compression type.\r
+ //\r
+ ASSERT (FALSE);\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ *OutputSize = DstBufferSize;\r
+ *OutputBuffer = DstBuffer;\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
projects / mirror_edk2.git / blobdiff