Last PEIM.\r
Responsibility of this module is to load the DXE Core from a Firmware Volume.\r
\r
-Copyright (c) 2006 - 2012, 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
-\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
+Copyright (c) 2016 HP Development Company, L.P.\r
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\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
+ // DXE core load requires permanent memory.\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
+ // Now the permanent memory exists, install the PPIs for decompression\r
+ // and section extraction.\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
+ //\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
+ // Get custom extract guided section method guid list\r
//\r
ExtractHandlerNumber = ExtractGuidedSectionGetGuidList (&ExtractHandlerGuidTable);\r
- \r
+\r
//\r
- // Install custom extraction guid PPI\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_EFI_ERROR(Status);\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
- Validate variable data for the MemoryTypeInformation. \r
+ Validate variable data for the MemoryTypeInformation.\r
\r
@param MemoryData Variable data.\r
@param MemoryDataSize Variable data length.\r
}\r
\r
/**\r
- Main entry point to last PEIM. \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
);\r
}\r
ASSERT_EFI_ERROR (Status);\r
- \r
+\r
Status = S3Resume->S3RestoreConfig2 (S3Resume);\r
ASSERT_EFI_ERROR (Status);\r
} else if (BootMode == BOOT_IN_RECOVERY_MODE) {\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
+ // Report Status code the failure of locating Recovery PPI\r
//\r
REPORT_STATUS_CODE (\r
EFI_ERROR_CODE | EFI_ERROR_MAJOR,\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 (!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
+ 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
+ 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
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
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
UncompressedLength = CompressionSection->UncompressedLength;\r
CompressionType = CompressionSection->CompressionType;\r
}\r
- \r
+\r
//\r
// This is a compression set, expand it\r
//\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
// Allocate destination buffer\r
//\r
DstBufferSize = UncompressedLength;\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
- // 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, CompressionSource, DstBufferSize);\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 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
+ // 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.Raw = GET_NEXT_HOB (Hob);\r
}\r
}\r
+\r
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