Last PEIM.\r
Responsibility of this module is to load the DXE Core from a Firmware Volume.\r
\r
-Copyright (c) 2006 - 2009, Intel Corporation. <BR>\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2016 HP Development Company, L.P.\r
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+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
http://opensource.org/licenses/bsd-license.php\r
DxeLoadCore\r
};\r
\r
+CONST EFI_PEI_PPI_DESCRIPTOR mDxeIplPpiList = {\r
+ EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,\r
+ &gEfiDxeIplPpiGuid,\r
+ (VOID *) &mDxeIplPpi\r
+};\r
+\r
CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomGuidedSectionExtractionPpi = {\r
CustomGuidedSectionExtract\r
};\r
Decompress\r
};\r
\r
-CONST EFI_PEI_PPI_DESCRIPTOR mPpiList[] = {\r
- {\r
- EFI_PEI_PPI_DESCRIPTOR_PPI,\r
- &gEfiDxeIplPpiGuid,\r
- (VOID *) &mDxeIplPpi\r
- },\r
- {\r
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
- &gEfiPeiDecompressPpiGuid,\r
- (VOID *) &mDecompressPpi\r
- }\r
+CONST EFI_PEI_PPI_DESCRIPTOR mDecompressPpiList = {\r
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
+ &gEfiPeiDecompressPpiGuid,\r
+ (VOID *) &mDecompressPpi\r
};\r
\r
CONST EFI_PEI_PPI_DESCRIPTOR gEndOfPeiSignalPpi = {\r
NULL\r
};\r
\r
+CONST EFI_PEI_NOTIFY_DESCRIPTOR mMemoryDiscoveredNotifyList = {\r
+ (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_DISPATCH | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r
+ &gEfiPeiMemoryDiscoveredPpiGuid,\r
+ InstallIplPermanentMemoryPpis\r
+};\r
+\r
/**\r
Entry point of DXE IPL PEIM.\r
- \r
- This function installs DXE IPL PPI and Decompress PPI. It also reloads\r
+\r
+ This function installs DXE IPL PPI. It also reloads\r
itself to memory on non-S3 resume boot path.\r
\r
@param FileHandle Handle of the file being invoked.\r
@param PeiServices Describes the list of possible PEI Services.\r
\r
@retval EFI_SUCESS The entry point of DXE IPL PEIM executes successfully.\r
- @retval Others Some error occurs during the execution of this function. \r
+ @retval Others Some error occurs during the execution of this function.\r
\r
**/\r
EFI_STATUS\r
{\r
EFI_STATUS Status;\r
EFI_BOOT_MODE BootMode;\r
- EFI_GUID *ExtractHandlerGuidTable;\r
- UINTN ExtractHandlerNumber;\r
- EFI_PEI_PPI_DESCRIPTOR *GuidPpi;\r
- \r
+ VOID *Dummy;\r
+\r
BootMode = GetBootModeHob ();\r
\r
if (BootMode != BOOT_ON_S3_RESUME) {\r
Status = PeiServicesRegisterForShadow (FileHandle);\r
if (Status == EFI_SUCCESS) {\r
//\r
- // EFI_SUCESS means it is the first time to call register for shadow. \r
- // \r
+ // EFI_SUCESS means it is the first time to call register for shadow.\r
+ //\r
return Status;\r
}\r
- \r
+\r
//\r
// Ensure that DXE IPL is shadowed to permanent memory.\r
//\r
ASSERT (Status == EFI_ALREADY_STARTED);\r
- \r
+\r
//\r
- // Get custom extract guided section method guid list \r
+ // DXE core load requires permanent memory.\r
//\r
- ExtractHandlerNumber = ExtractGuidedSectionGetGuidList (&ExtractHandlerGuidTable);\r
- \r
+ Status = PeiServicesLocatePpi (\r
+ &gEfiPeiMemoryDiscoveredPpiGuid,\r
+ 0,\r
+ NULL,\r
+ (VOID **) &Dummy\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
//\r
- // Install custom extraction guid PPI\r
+ // Now the permanent memory exists, install the PPIs for decompression\r
+ // and section extraction.\r
//\r
- if (ExtractHandlerNumber > 0) {\r
- GuidPpi = (EFI_PEI_PPI_DESCRIPTOR *) AllocatePool (ExtractHandlerNumber * sizeof (EFI_PEI_PPI_DESCRIPTOR));\r
- ASSERT (GuidPpi != NULL);\r
- while (ExtractHandlerNumber-- > 0) {\r
- GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r
- GuidPpi->Ppi = (VOID *) &mCustomGuidedSectionExtractionPpi;\r
- GuidPpi->Guid = &ExtractHandlerGuidTable[ExtractHandlerNumber];\r
- Status = PeiServicesInstallPpi (GuidPpi++);\r
- ASSERT_EFI_ERROR(Status);\r
- }\r
+ Status = InstallIplPermanentMemoryPpis (NULL, NULL, NULL);\r
+ ASSERT_EFI_ERROR (Status);\r
+ } else {\r
+ //\r
+ // Install memory discovered PPI notification to install PPIs for\r
+ // decompression and section extraction.\r
+ //\r
+ Status = PeiServicesNotifyPpi (&mMemoryDiscoveredNotifyList);\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
+\r
+ //\r
+ // Install DxeIpl PPI.\r
+ //\r
+ Status = PeiServicesInstallPpi (&mDxeIplPpiList);\r
+ ASSERT_EFI_ERROR(Status);\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ This function installs the PPIs that require permanent memory.\r
+\r
+ @param PeiServices Indirect reference to the PEI Services Table.\r
+ @param NotifyDescriptor Address of the notification descriptor data structure.\r
+ @param Ppi Address of the PPI that was installed.\r
+\r
+ @return EFI_SUCCESS The PPIs were installed successfully.\r
+ @return Others Some error occurs during the execution of this function.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+InstallIplPermanentMemoryPpis (\r
+ IN EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r
+ IN VOID *Ppi\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_GUID *ExtractHandlerGuidTable;\r
+ UINTN ExtractHandlerNumber;\r
+ EFI_PEI_PPI_DESCRIPTOR *GuidPpi;\r
+\r
+ //\r
+ // Get custom extract guided section method guid list\r
+ //\r
+ ExtractHandlerNumber = ExtractGuidedSectionGetGuidList (&ExtractHandlerGuidTable);\r
+\r
+ //\r
+ // Install custom guided section extraction PPI\r
+ //\r
+ if (ExtractHandlerNumber > 0) {\r
+ GuidPpi = (EFI_PEI_PPI_DESCRIPTOR *) AllocatePool (ExtractHandlerNumber * sizeof (EFI_PEI_PPI_DESCRIPTOR));\r
+ ASSERT (GuidPpi != NULL);\r
+ while (ExtractHandlerNumber-- > 0) {\r
+ GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r
+ GuidPpi->Ppi = (VOID *) &mCustomGuidedSectionExtractionPpi;\r
+ GuidPpi->Guid = &ExtractHandlerGuidTable[ExtractHandlerNumber];\r
+ Status = PeiServicesInstallPpi (GuidPpi++);\r
+ ASSERT_EFI_ERROR(Status);\r
}\r
- \r
}\r
- \r
+\r
//\r
- // Install DxeIpl and Decompress PPIs.\r
+ // Install Decompress PPI.\r
//\r
- Status = PeiServicesInstallPpi (mPpiList);\r
+ Status = PeiServicesInstallPpi (&mDecompressPpiList);\r
ASSERT_EFI_ERROR(Status);\r
\r
return Status;\r
}\r
\r
/**\r
- Main entry point to last PEIM. \r
+ Validate variable data for the MemoryTypeInformation.\r
+\r
+ @param MemoryData Variable data.\r
+ @param MemoryDataSize Variable data length.\r
+\r
+ @return TRUE The variable data is valid.\r
+ @return FALSE The variable data is invalid.\r
+\r
+**/\r
+BOOLEAN\r
+ValidateMemoryTypeInfoVariable (\r
+ IN EFI_MEMORY_TYPE_INFORMATION *MemoryData,\r
+ IN UINTN MemoryDataSize\r
+ )\r
+{\r
+ UINTN Count;\r
+ UINTN Index;\r
+\r
+ // Check the input parameter.\r
+ if (MemoryData == NULL) {\r
+ return FALSE;\r
+ }\r
+\r
+ // Get Count\r
+ Count = MemoryDataSize / sizeof (*MemoryData);\r
+\r
+ // Check Size\r
+ if (Count * sizeof(*MemoryData) != MemoryDataSize) {\r
+ return FALSE;\r
+ }\r
+\r
+ // Check last entry type filed.\r
+ if (MemoryData[Count - 1].Type != EfiMaxMemoryType) {\r
+ return FALSE;\r
+ }\r
+\r
+ // Check the type filed.\r
+ for (Index = 0; Index < Count - 1; Index++) {\r
+ if (MemoryData[Index].Type >= EfiMaxMemoryType) {\r
+ return FALSE;\r
+ }\r
+ }\r
+\r
+ return TRUE;\r
+}\r
+\r
+/**\r
+ Main entry point to last PEIM.\r
\r
This function finds DXE Core in the firmware volume and transfer the control to\r
DXE core.\r
- \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
+\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
**/\r
UINTN Instance;\r
UINT32 AuthenticationState;\r
UINTN DataSize;\r
- EFI_PEI_S3_RESUME_PPI *S3Resume;\r
+ EFI_PEI_S3_RESUME2_PPI *S3Resume;\r
EFI_PEI_RECOVERY_MODULE_PPI *PeiRecovery;\r
EFI_MEMORY_TYPE_INFORMATION MemoryData[EfiMaxMemoryType + 1];\r
\r
\r
if (BootMode == BOOT_ON_S3_RESUME) {\r
Status = PeiServicesLocatePpi (\r
- &gEfiPeiS3ResumePpiGuid,\r
+ &gEfiPeiS3Resume2PpiGuid,\r
0,\r
NULL,\r
(VOID **) &S3Resume\r
);\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // Report Status code that S3Resume PPI can not be found\r
+ //\r
+ REPORT_STATUS_CODE (\r
+ EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r
+ (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_RESUME_PPI_NOT_FOUND)\r
+ );\r
+ }\r
ASSERT_EFI_ERROR (Status);\r
- \r
- Status = S3Resume->S3RestoreConfig (PeiServices);\r
+\r
+ Status = S3Resume->S3RestoreConfig2 (S3Resume);\r
ASSERT_EFI_ERROR (Status);\r
} else if (BootMode == BOOT_IN_RECOVERY_MODE) {\r
+ REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_RECOVERY_BEGIN));\r
Status = PeiServicesLocatePpi (\r
&gEfiPeiRecoveryModulePpiGuid,\r
0,\r
NULL,\r
(VOID **) &PeiRecovery\r
);\r
- ASSERT_EFI_ERROR (Status);\r
- \r
+\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((DEBUG_ERROR, "Locate Recovery PPI Failed.(Status = %r)\n", Status));\r
+ //\r
+ // Report Status code the failure of locating Recovery PPI\r
+ //\r
+ REPORT_STATUS_CODE (\r
+ EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r
+ (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_RECOVERY_PPI_NOT_FOUND)\r
+ );\r
+ CpuDeadLoop ();\r
+ }\r
+\r
+ REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_CAPSULE_LOAD));\r
Status = PeiRecovery->LoadRecoveryCapsule (PeiServices, PeiRecovery);\r
if (EFI_ERROR (Status)) {\r
DEBUG ((DEBUG_ERROR, "Load Recovery Capsule Failed.(Status = %r)\n", Status));\r
+ //\r
+ // Report Status code that recovery image can not be found\r
+ //\r
+ REPORT_STATUS_CODE (\r
+ EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r
+ (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_NO_RECOVERY_CAPSULE)\r
+ );\r
CpuDeadLoop ();\r
}\r
-\r
+ REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_CAPSULE_START));\r
//\r
// Now should have a HOB with the DXE core\r
//\r
}\r
\r
- Status = PeiServicesLocatePpi (\r
- &gEfiPeiReadOnlyVariable2PpiGuid,\r
- 0,\r
- NULL,\r
- (VOID **)&Variable\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- DataSize = sizeof (MemoryData);\r
- Status = Variable->GetVariable ( \r
- Variable, \r
- EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,\r
- &gEfiMemoryTypeInformationGuid,\r
- NULL,\r
- &DataSize,\r
- &MemoryData\r
- );\r
+ if (GetFirstGuidHob ((CONST EFI_GUID *)&gEfiMemoryTypeInformationGuid) == NULL) {\r
+ //\r
+ // Don't build GuidHob if GuidHob has been installed.\r
+ //\r
+ Status = PeiServicesLocatePpi (\r
+ &gEfiPeiReadOnlyVariable2PpiGuid,\r
+ 0,\r
+ NULL,\r
+ (VOID **)&Variable\r
+ );\r
if (!EFI_ERROR (Status)) {\r
- //\r
- // Build the GUID'd HOB for DXE\r
- //\r
- BuildGuidDataHob (\r
- &gEfiMemoryTypeInformationGuid,\r
- MemoryData,\r
- DataSize\r
- );\r
+ DataSize = sizeof (MemoryData);\r
+ Status = Variable->GetVariable (\r
+ Variable,\r
+ EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,\r
+ &gEfiMemoryTypeInformationGuid,\r
+ NULL,\r
+ &DataSize,\r
+ &MemoryData\r
+ );\r
+ if (!EFI_ERROR (Status) && ValidateMemoryTypeInfoVariable(MemoryData, DataSize)) {\r
+ //\r
+ // Build the GUID'd HOB for DXE\r
+ //\r
+ BuildGuidDataHob (\r
+ &gEfiMemoryTypeInformationGuid,\r
+ MemoryData,\r
+ DataSize\r
+ );\r
+ }\r
}\r
}\r
\r
//\r
// Report Status Code EFI_SW_PEI_PC_HANDOFF_TO_NEXT\r
//\r
- REPORT_STATUS_CODE (EFI_PROGRESS_CODE, FixedPcdGet32 (PcdStatusCodeValuePeiHandoffToDxe));\r
+ REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_PEI_CORE | EFI_SW_PEI_CORE_PC_HANDOFF_TO_NEXT));\r
\r
DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Loading DXE CORE at 0x%11p EntryPoint=0x%11p\n", (VOID *)(UINTN)DxeCoreAddress, FUNCTION_ENTRY_POINT (DxeCoreEntryPoint)));\r
\r
instance that contains DxeCore.\r
\r
@return FileHandle of DxeCore to load DxeCore.\r
- \r
+\r
**/\r
EFI_PEI_FILE_HANDLE\r
DxeIplFindDxeCore (\r
UINTN Instance;\r
EFI_PEI_FV_HANDLE VolumeHandle;\r
EFI_PEI_FILE_HANDLE FileHandle;\r
- \r
+\r
Instance = 0;\r
while (TRUE) {\r
//\r
// If some error occurs here, then we cannot find any firmware\r
// volume that may contain DxeCore.\r
//\r
+ if (EFI_ERROR (Status)) {\r
+ REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_CORE_EC_DXE_CORRUPT));\r
+ }\r
ASSERT_EFI_ERROR (Status);\r
- \r
+\r
//\r
// Find the DxeCore file type from the beginning in this firmware volume.\r
//\r
output buffer. If the input\r
section's GuidedSectionHeader.\r
Attributes field has the\r
- EFI_GUIDED_SECTION_AUTH_STATUS_VALID \r
+ EFI_GUIDED_SECTION_AUTH_STATUS_VALID\r
bit as clear,\r
AuthenticationStatus must return\r
zero. These bits reflect the\r
EFI_SUCCESS, the value of\r
AuthenticationStatus is\r
undefined.\r
- \r
+\r
@retval EFI_SUCCESS The InputSection was\r
successfully processed and the\r
section contents were returned.\r
- \r
+\r
@retval EFI_OUT_OF_RESOURCES The system has insufficient\r
resources to process the request.\r
- \r
+\r
@retval EFI_INVALID_PARAMETER The GUID in InputSection does\r
not match this instance of the\r
GUIDed Section Extraction PPI.\r
UINT32 ScratchBufferSize;\r
UINT32 OutputBufferSize;\r
UINT16 SectionAttribute;\r
- \r
+\r
//\r
// Init local variable\r
//\r
&ScratchBufferSize,\r
&SectionAttribute\r
);\r
- \r
+\r
if (EFI_ERROR (Status)) {\r
DEBUG ((DEBUG_ERROR, "GetInfo from guided section Failed - %r\n", Status));\r
return Status;\r
}\r
- \r
+\r
if (ScratchBufferSize != 0) {\r
//\r
// Allocate scratch buffer\r
}\r
}\r
\r
- if (((SectionAttribute & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) != 0) && OutputBufferSize > 0) { \r
+ if (((SectionAttribute & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) != 0) && OutputBufferSize > 0) {\r
//\r
// Allocate output buffer\r
//\r
- *OutputBuffer = AllocatePages (EFI_SIZE_TO_PAGES (OutputBufferSize) + 1);\r
+ *OutputBuffer = AllocatePages (EFI_SIZE_TO_PAGES (OutputBufferSize));\r
if (*OutputBuffer == NULL) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
DEBUG ((DEBUG_INFO, "Customized Guided section Memory Size required is 0x%x and address is 0x%p\n", OutputBufferSize, *OutputBuffer));\r
- //\r
- // *OutputBuffer still is one section. Adjust *OutputBuffer offset, \r
- // skip EFI section header to make section data at page alignment.\r
- //\r
- *OutputBuffer = (VOID *)((UINT8 *) *OutputBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER));\r
}\r
- \r
+\r
Status = ExtractGuidedSectionDecode (\r
- InputSection, \r
+ InputSection,\r
OutputBuffer,\r
ScratchBuffer,\r
AuthenticationStatus\r
DEBUG ((DEBUG_ERROR, "Extract guided section Failed - %r\n", Status));\r
return Status;\r
}\r
- \r
+\r
*OutputSize = (UINTN) OutputBufferSize;\r
- \r
+\r
return EFI_SUCCESS;\r
}\r
\r
This function looks up the compression type field in the input section and\r
applies the appropriate compression algorithm to compress the section to a\r
callee allocated buffer.\r
- \r
+\r
@param This Points to this instance of the\r
EFI_PEI_DECOMPRESS_PEI PPI.\r
@param CompressionSection Points to the compressed section.\r
sections.\r
@param OutputSize Holds the returned size of the decompress\r
section streams.\r
- \r
+\r
@retval EFI_SUCCESS The section was decompressed successfully.\r
OutputBuffer contains the resulting data and\r
OutputSize contains the resulting size.\r
\r
**/\r
EFI_STATUS\r
-EFIAPI \r
+EFIAPI\r
Decompress (\r
IN CONST EFI_PEI_DECOMPRESS_PPI *This,\r
IN CONST EFI_COMPRESSION_SECTION *CompressionSection,\r
EFI_STATUS Status;\r
UINT8 *DstBuffer;\r
UINT8 *ScratchBuffer;\r
- UINTN DstBufferSize;\r
+ UINT32 DstBufferSize;\r
UINT32 ScratchBufferSize;\r
- EFI_COMMON_SECTION_HEADER *Section;\r
- UINTN SectionLength;\r
+ VOID *CompressionSource;\r
+ UINT32 CompressionSourceSize;\r
+ UINT32 UncompressedLength;\r
+ UINT8 CompressionType;\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
+ if (IS_SECTION2 (CompressionSection)) {\r
+ CompressionSource = (VOID *) ((UINT8 *) CompressionSection + sizeof (EFI_COMPRESSION_SECTION2));\r
+ CompressionSourceSize = (UINT32) (SECTION2_SIZE (CompressionSection) - sizeof (EFI_COMPRESSION_SECTION2));\r
+ UncompressedLength = ((EFI_COMPRESSION_SECTION2 *) CompressionSection)->UncompressedLength;\r
+ CompressionType = ((EFI_COMPRESSION_SECTION2 *) CompressionSection)->CompressionType;\r
+ } else {\r
+ CompressionSource = (VOID *) ((UINT8 *) CompressionSection + sizeof (EFI_COMPRESSION_SECTION));\r
+ CompressionSourceSize = (UINT32) (SECTION_SIZE (CompressionSection) - sizeof (EFI_COMPRESSION_SECTION));\r
+ UncompressedLength = CompressionSection->UncompressedLength;\r
+ CompressionType = CompressionSection->CompressionType;\r
+ }\r
+\r
//\r
// This is a compression set, expand it\r
//\r
- switch (CompressionSection->CompressionType) {\r
+ switch (CompressionType) {\r
case EFI_STANDARD_COMPRESSION:\r
if (FeaturePcdGet(PcdDxeIplSupportUefiDecompress)) {\r
//\r
// For compressed data, decompress them to destination buffer.\r
//\r
Status = UefiDecompressGetInfo (\r
- (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r
- (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),\r
- (UINT32 *) &DstBufferSize,\r
+ CompressionSource,\r
+ CompressionSourceSize,\r
+ &DstBufferSize,\r
&ScratchBufferSize\r
);\r
if (EFI_ERROR (Status)) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
//\r
- // Allocate destination buffer, extra one page for adjustment \r
+ // Allocate destination buffer\r
//\r
- DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1);\r
+ DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r
if (DstBuffer == NULL) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
//\r
- // DstBuffer still is one section. Adjust DstBuffer offset, skip EFI section header\r
- // to make section data at page alignment.\r
- //\r
- DstBuffer = DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER);\r
- //\r
// Call decompress function\r
//\r
Status = UefiDecompress (\r
- (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),\r
+ CompressionSource,\r
DstBuffer,\r
ScratchBuffer\r
);\r
//\r
// Allocate destination buffer\r
//\r
- DstBufferSize = CompressionSection->UncompressedLength;\r
- DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1);\r
+ DstBufferSize = UncompressedLength;\r
+ DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));\r
if (DstBuffer == NULL) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
//\r
- // Adjust DstBuffer offset, skip EFI section header\r
- // to make section data at page alignment.\r
- //\r
- DstBuffer = DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER);\r
- //\r
// stream is not actually compressed, just encapsulated. So just copy it.\r
//\r
- CopyMem (DstBuffer, CompressionSection + 1, DstBufferSize);\r
+ CopyMem (DstBuffer, CompressionSource, DstBufferSize);\r
break;\r
\r
default:\r
while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, Hob.Raw)) != NULL) {\r
if (CompareGuid (&gEfiHobMemoryAllocStackGuid, &(Hob.MemoryAllocationStack->AllocDescriptor.Name))) {\r
//\r
- // Build a new memory allocation HOB with old stack info with EfiConventionalMemory type\r
- // to be reclaimed by DXE core.\r
+ // Build a new memory allocation HOB with old stack info with EfiBootServicesData type. Need to\r
+ // avoid this region be reclaimed by DXE core as the IDT built in SEC might be on stack, and some\r
+ // PEIMs may also keep key information on stack\r
//\r
BuildMemoryAllocationHob (\r
Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress,\r
Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength,\r
- EfiConventionalMemory\r
+ EfiBootServicesData\r
);\r
//\r
// Update the BSP Stack Hob to reflect the new stack info.\r
Hob.Raw = GET_NEXT_HOB (Hob);\r
}\r
}\r
+\r
projects / mirror_edk2.git / blobdiff