| /** @file | |
| DXE Core Main Entry Point | |
| Copyright (c) 2006 - 2017, 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 | |
| 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 "DxeMain.h" | |
| // | |
| // DXE Core Global Variables for Protocols from PEI | |
| // | |
| EFI_HANDLE mDecompressHandle = NULL; | |
| // | |
| // DXE Core globals for Architecture Protocols | |
| // | |
| EFI_SECURITY_ARCH_PROTOCOL *gSecurity = NULL; | |
| EFI_SECURITY2_ARCH_PROTOCOL *gSecurity2 = NULL; | |
| EFI_CPU_ARCH_PROTOCOL *gCpu = NULL; | |
| EFI_METRONOME_ARCH_PROTOCOL *gMetronome = NULL; | |
| EFI_TIMER_ARCH_PROTOCOL *gTimer = NULL; | |
| EFI_BDS_ARCH_PROTOCOL *gBds = NULL; | |
| EFI_WATCHDOG_TIMER_ARCH_PROTOCOL *gWatchdogTimer = NULL; | |
| // | |
| // DXE Core globals for optional protocol dependencies | |
| // | |
| EFI_SMM_BASE2_PROTOCOL *gSmmBase2 = NULL; | |
| // | |
| // DXE Core Global used to update core loaded image protocol handle | |
| // | |
| EFI_GUID *gDxeCoreFileName; | |
| EFI_LOADED_IMAGE_PROTOCOL *gDxeCoreLoadedImage; | |
| // | |
| // DXE Core Module Variables | |
| // | |
| EFI_BOOT_SERVICES mBootServices = { | |
| { | |
| EFI_BOOT_SERVICES_SIGNATURE, // Signature | |
| EFI_BOOT_SERVICES_REVISION, // Revision | |
| sizeof (EFI_BOOT_SERVICES), // HeaderSize | |
| 0, // CRC32 | |
| 0 // Reserved | |
| }, | |
| (EFI_RAISE_TPL) CoreRaiseTpl, // RaiseTPL | |
| (EFI_RESTORE_TPL) CoreRestoreTpl, // RestoreTPL | |
| (EFI_ALLOCATE_PAGES) CoreAllocatePages, // AllocatePages | |
| (EFI_FREE_PAGES) CoreFreePages, // FreePages | |
| (EFI_GET_MEMORY_MAP) CoreGetMemoryMap, // GetMemoryMap | |
| (EFI_ALLOCATE_POOL) CoreAllocatePool, // AllocatePool | |
| (EFI_FREE_POOL) CoreFreePool, // FreePool | |
| (EFI_CREATE_EVENT) CoreCreateEvent, // CreateEvent | |
| (EFI_SET_TIMER) CoreSetTimer, // SetTimer | |
| (EFI_WAIT_FOR_EVENT) CoreWaitForEvent, // WaitForEvent | |
| (EFI_SIGNAL_EVENT) CoreSignalEvent, // SignalEvent | |
| (EFI_CLOSE_EVENT) CoreCloseEvent, // CloseEvent | |
| (EFI_CHECK_EVENT) CoreCheckEvent, // CheckEvent | |
| (EFI_INSTALL_PROTOCOL_INTERFACE) CoreInstallProtocolInterface, // InstallProtocolInterface | |
| (EFI_REINSTALL_PROTOCOL_INTERFACE) CoreReinstallProtocolInterface, // ReinstallProtocolInterface | |
| (EFI_UNINSTALL_PROTOCOL_INTERFACE) CoreUninstallProtocolInterface, // UninstallProtocolInterface | |
| (EFI_HANDLE_PROTOCOL) CoreHandleProtocol, // HandleProtocol | |
| (VOID *) NULL, // Reserved | |
| (EFI_REGISTER_PROTOCOL_NOTIFY) CoreRegisterProtocolNotify, // RegisterProtocolNotify | |
| (EFI_LOCATE_HANDLE) CoreLocateHandle, // LocateHandle | |
| (EFI_LOCATE_DEVICE_PATH) CoreLocateDevicePath, // LocateDevicePath | |
| (EFI_INSTALL_CONFIGURATION_TABLE) CoreInstallConfigurationTable, // InstallConfigurationTable | |
| (EFI_IMAGE_LOAD) CoreLoadImage, // LoadImage | |
| (EFI_IMAGE_START) CoreStartImage, // StartImage | |
| (EFI_EXIT) CoreExit, // Exit | |
| (EFI_IMAGE_UNLOAD) CoreUnloadImage, // UnloadImage | |
| (EFI_EXIT_BOOT_SERVICES) CoreExitBootServices, // ExitBootServices | |
| (EFI_GET_NEXT_MONOTONIC_COUNT) CoreEfiNotAvailableYetArg1, // GetNextMonotonicCount | |
| (EFI_STALL) CoreStall, // Stall | |
| (EFI_SET_WATCHDOG_TIMER) CoreSetWatchdogTimer, // SetWatchdogTimer | |
| (EFI_CONNECT_CONTROLLER) CoreConnectController, // ConnectController | |
| (EFI_DISCONNECT_CONTROLLER) CoreDisconnectController, // DisconnectController | |
| (EFI_OPEN_PROTOCOL) CoreOpenProtocol, // OpenProtocol | |
| (EFI_CLOSE_PROTOCOL) CoreCloseProtocol, // CloseProtocol | |
| (EFI_OPEN_PROTOCOL_INFORMATION) CoreOpenProtocolInformation, // OpenProtocolInformation | |
| (EFI_PROTOCOLS_PER_HANDLE) CoreProtocolsPerHandle, // ProtocolsPerHandle | |
| (EFI_LOCATE_HANDLE_BUFFER) CoreLocateHandleBuffer, // LocateHandleBuffer | |
| (EFI_LOCATE_PROTOCOL) CoreLocateProtocol, // LocateProtocol | |
| (EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES) CoreInstallMultipleProtocolInterfaces, // InstallMultipleProtocolInterfaces | |
| (EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES) CoreUninstallMultipleProtocolInterfaces, // UninstallMultipleProtocolInterfaces | |
| (EFI_CALCULATE_CRC32) CoreEfiNotAvailableYetArg3, // CalculateCrc32 | |
| (EFI_COPY_MEM) CopyMem, // CopyMem | |
| (EFI_SET_MEM) SetMem, // SetMem | |
| (EFI_CREATE_EVENT_EX) CoreCreateEventEx // CreateEventEx | |
| }; | |
| EFI_DXE_SERVICES mDxeServices = { | |
| { | |
| DXE_SERVICES_SIGNATURE, // Signature | |
| DXE_SERVICES_REVISION, // Revision | |
| sizeof (DXE_SERVICES), // HeaderSize | |
| 0, // CRC32 | |
| 0 // Reserved | |
| }, | |
| (EFI_ADD_MEMORY_SPACE) CoreAddMemorySpace, // AddMemorySpace | |
| (EFI_ALLOCATE_MEMORY_SPACE) CoreAllocateMemorySpace, // AllocateMemorySpace | |
| (EFI_FREE_MEMORY_SPACE) CoreFreeMemorySpace, // FreeMemorySpace | |
| (EFI_REMOVE_MEMORY_SPACE) CoreRemoveMemorySpace, // RemoveMemorySpace | |
| (EFI_GET_MEMORY_SPACE_DESCRIPTOR) CoreGetMemorySpaceDescriptor, // GetMemorySpaceDescriptor | |
| (EFI_SET_MEMORY_SPACE_ATTRIBUTES) CoreSetMemorySpaceAttributes, // SetMemorySpaceAttributes | |
| (EFI_GET_MEMORY_SPACE_MAP) CoreGetMemorySpaceMap, // GetMemorySpaceMap | |
| (EFI_ADD_IO_SPACE) CoreAddIoSpace, // AddIoSpace | |
| (EFI_ALLOCATE_IO_SPACE) CoreAllocateIoSpace, // AllocateIoSpace | |
| (EFI_FREE_IO_SPACE) CoreFreeIoSpace, // FreeIoSpace | |
| (EFI_REMOVE_IO_SPACE) CoreRemoveIoSpace, // RemoveIoSpace | |
| (EFI_GET_IO_SPACE_DESCRIPTOR) CoreGetIoSpaceDescriptor, // GetIoSpaceDescriptor | |
| (EFI_GET_IO_SPACE_MAP) CoreGetIoSpaceMap, // GetIoSpaceMap | |
| (EFI_DISPATCH) CoreDispatcher, // Dispatch | |
| (EFI_SCHEDULE) CoreSchedule, // Schedule | |
| (EFI_TRUST) CoreTrust, // Trust | |
| (EFI_PROCESS_FIRMWARE_VOLUME) CoreProcessFirmwareVolume, // ProcessFirmwareVolume | |
| (EFI_SET_MEMORY_SPACE_CAPABILITIES)CoreSetMemorySpaceCapabilities, // SetMemorySpaceCapabilities | |
| }; | |
| EFI_SYSTEM_TABLE mEfiSystemTableTemplate = { | |
| { | |
| EFI_SYSTEM_TABLE_SIGNATURE, // Signature | |
| EFI_SYSTEM_TABLE_REVISION, // Revision | |
| sizeof (EFI_SYSTEM_TABLE), // HeaderSize | |
| 0, // CRC32 | |
| 0 // Reserved | |
| }, | |
| NULL, // FirmwareVendor | |
| 0, // FirmwareRevision | |
| NULL, // ConsoleInHandle | |
| NULL, // ConIn | |
| NULL, // ConsoleOutHandle | |
| NULL, // ConOut | |
| NULL, // StandardErrorHandle | |
| NULL, // StdErr | |
| NULL, // RuntimeServices | |
| &mBootServices, // BootServices | |
| 0, // NumberOfConfigurationTableEntries | |
| NULL // ConfigurationTable | |
| }; | |
| EFI_RUNTIME_SERVICES mEfiRuntimeServicesTableTemplate = { | |
| { | |
| EFI_RUNTIME_SERVICES_SIGNATURE, // Signature | |
| EFI_RUNTIME_SERVICES_REVISION, // Revision | |
| sizeof (EFI_RUNTIME_SERVICES), // HeaderSize | |
| 0, // CRC32 | |
| 0 // Reserved | |
| }, | |
| (EFI_GET_TIME) CoreEfiNotAvailableYetArg2, // GetTime | |
| (EFI_SET_TIME) CoreEfiNotAvailableYetArg1, // SetTime | |
| (EFI_GET_WAKEUP_TIME) CoreEfiNotAvailableYetArg3, // GetWakeupTime | |
| (EFI_SET_WAKEUP_TIME) CoreEfiNotAvailableYetArg2, // SetWakeupTime | |
| (EFI_SET_VIRTUAL_ADDRESS_MAP) CoreEfiNotAvailableYetArg4, // SetVirtualAddressMap | |
| (EFI_CONVERT_POINTER) CoreEfiNotAvailableYetArg2, // ConvertPointer | |
| (EFI_GET_VARIABLE) CoreEfiNotAvailableYetArg5, // GetVariable | |
| (EFI_GET_NEXT_VARIABLE_NAME) CoreEfiNotAvailableYetArg3, // GetNextVariableName | |
| (EFI_SET_VARIABLE) CoreEfiNotAvailableYetArg5, // SetVariable | |
| (EFI_GET_NEXT_HIGH_MONO_COUNT) CoreEfiNotAvailableYetArg1, // GetNextHighMonotonicCount | |
| (EFI_RESET_SYSTEM) CoreEfiNotAvailableYetArg4, // ResetSystem | |
| (EFI_UPDATE_CAPSULE) CoreEfiNotAvailableYetArg3, // UpdateCapsule | |
| (EFI_QUERY_CAPSULE_CAPABILITIES) CoreEfiNotAvailableYetArg4, // QueryCapsuleCapabilities | |
| (EFI_QUERY_VARIABLE_INFO) CoreEfiNotAvailableYetArg4 // QueryVariableInfo | |
| }; | |
| EFI_RUNTIME_ARCH_PROTOCOL gRuntimeTemplate = { | |
| INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate.ImageHead), | |
| INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate.EventHead), | |
| // | |
| // Make sure Size != sizeof (EFI_MEMORY_DESCRIPTOR). This will | |
| // prevent people from having pointer math bugs in their code. | |
| // now you have to use *DescriptorSize to make things work. | |
| // | |
| sizeof (EFI_MEMORY_DESCRIPTOR) + sizeof (UINT64) - (sizeof (EFI_MEMORY_DESCRIPTOR) % sizeof (UINT64)), | |
| EFI_MEMORY_DESCRIPTOR_VERSION, | |
| 0, | |
| NULL, | |
| NULL, | |
| FALSE, | |
| FALSE | |
| }; | |
| EFI_RUNTIME_ARCH_PROTOCOL *gRuntime = &gRuntimeTemplate; | |
| // | |
| // DXE Core Global Variables for the EFI System Table, Boot Services Table, | |
| // DXE Services Table, and Runtime Services Table | |
| // | |
| EFI_DXE_SERVICES *gDxeCoreDS = &mDxeServices; | |
| EFI_SYSTEM_TABLE *gDxeCoreST = NULL; | |
| // | |
| // For debug initialize gDxeCoreRT to template. gDxeCoreRT must be allocated from RT memory | |
| // but gDxeCoreRT is used for ASSERT () and DEBUG () type macros so lets give it | |
| // a value that will not cause debug infrastructure to crash early on. | |
| // | |
| EFI_RUNTIME_SERVICES *gDxeCoreRT = &mEfiRuntimeServicesTableTemplate; | |
| EFI_HANDLE gDxeCoreImageHandle = NULL; | |
| BOOLEAN gMemoryMapTerminated = FALSE; | |
| // | |
| // EFI Decompress Protocol | |
| // | |
| EFI_DECOMPRESS_PROTOCOL gEfiDecompress = { | |
| DxeMainUefiDecompressGetInfo, | |
| DxeMainUefiDecompress | |
| }; | |
| // | |
| // For Loading modules at fixed address feature, the configuration table is to cache the top address below which to load | |
| // Runtime code&boot time code | |
| // | |
| GLOBAL_REMOVE_IF_UNREFERENCED EFI_LOAD_FIXED_ADDRESS_CONFIGURATION_TABLE gLoadModuleAtFixAddressConfigurationTable = {0, 0}; | |
| // Main entry point to the DXE Core | |
| // | |
| /** | |
| Main entry point to DXE Core. | |
| @param HobStart Pointer to the beginning of the HOB List from PEI. | |
| @return This function should never return. | |
| **/ | |
| VOID | |
| EFIAPI | |
| DxeMain ( | |
| IN VOID *HobStart | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| EFI_PHYSICAL_ADDRESS MemoryBaseAddress; | |
| UINT64 MemoryLength; | |
| PE_COFF_LOADER_IMAGE_CONTEXT ImageContext; | |
| UINTN Index; | |
| EFI_HOB_GUID_TYPE *GuidHob; | |
| EFI_VECTOR_HANDOFF_INFO *VectorInfoList; | |
| EFI_VECTOR_HANDOFF_INFO *VectorInfo; | |
| VOID *EntryPoint; | |
| // | |
| // Setup the default exception handlers | |
| // | |
| VectorInfoList = NULL; | |
| GuidHob = GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid, HobStart); | |
| if (GuidHob != NULL) { | |
| VectorInfoList = (EFI_VECTOR_HANDOFF_INFO *) (GET_GUID_HOB_DATA(GuidHob)); | |
| } | |
| Status = InitializeCpuExceptionHandlers (VectorInfoList); | |
| ASSERT_EFI_ERROR (Status); | |
| // | |
| // Initialize Debug Agent to support source level debug in DXE phase | |
| // | |
| InitializeDebugAgent (DEBUG_AGENT_INIT_DXE_CORE, HobStart, NULL); | |
| // | |
| // Initialize Memory Services | |
| // | |
| CoreInitializeMemoryServices (&HobStart, &MemoryBaseAddress, &MemoryLength); | |
| MemoryProfileInit (HobStart); | |
| // | |
| // Allocate the EFI System Table and EFI Runtime Service Table from EfiRuntimeServicesData | |
| // Use the templates to initialize the contents of the EFI System Table and EFI Runtime Services Table | |
| // | |
| gDxeCoreST = AllocateRuntimeCopyPool (sizeof (EFI_SYSTEM_TABLE), &mEfiSystemTableTemplate); | |
| ASSERT (gDxeCoreST != NULL); | |
| gDxeCoreRT = AllocateRuntimeCopyPool (sizeof (EFI_RUNTIME_SERVICES), &mEfiRuntimeServicesTableTemplate); | |
| ASSERT (gDxeCoreRT != NULL); | |
| gDxeCoreST->RuntimeServices = gDxeCoreRT; | |
| // | |
| // Start the Image Services. | |
| // | |
| Status = CoreInitializeImageServices (HobStart); | |
| ASSERT_EFI_ERROR (Status); | |
| // | |
| // Initialize the Global Coherency Domain Services | |
| // | |
| Status = CoreInitializeGcdServices (&HobStart, MemoryBaseAddress, MemoryLength); | |
| ASSERT_EFI_ERROR (Status); | |
| // | |
| // Call constructor for all libraries | |
| // | |
| ProcessLibraryConstructorList (gDxeCoreImageHandle, gDxeCoreST); | |
| PERF_END (NULL,"PEI", NULL, 0) ; | |
| PERF_START (NULL,"DXE", NULL, 0) ; | |
| // | |
| // Report DXE Core image information to the PE/COFF Extra Action Library | |
| // | |
| ZeroMem (&ImageContext, sizeof (ImageContext)); | |
| ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)gDxeCoreLoadedImage->ImageBase; | |
| ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*)(UINTN)ImageContext.ImageAddress); | |
| ImageContext.SizeOfHeaders = PeCoffGetSizeOfHeaders ((VOID*)(UINTN)ImageContext.ImageAddress); | |
| Status = PeCoffLoaderGetEntryPoint ((VOID*)(UINTN)ImageContext.ImageAddress, &EntryPoint); | |
| if (Status == EFI_SUCCESS) { | |
| ImageContext.EntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)EntryPoint; | |
| } | |
| ImageContext.Handle = (VOID *)(UINTN)gDxeCoreLoadedImage->ImageBase; | |
| ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory; | |
| PeCoffLoaderRelocateImageExtraAction (&ImageContext); | |
| // | |
| // Install the DXE Services Table into the EFI System Tables's Configuration Table | |
| // | |
| Status = CoreInstallConfigurationTable (&gEfiDxeServicesTableGuid, gDxeCoreDS); | |
| ASSERT_EFI_ERROR (Status); | |
| // | |
| // Install the HOB List into the EFI System Tables's Configuration Table | |
| // | |
| Status = CoreInstallConfigurationTable (&gEfiHobListGuid, HobStart); | |
| ASSERT_EFI_ERROR (Status); | |
| // | |
| // Install Memory Type Information Table into the EFI System Tables's Configuration Table | |
| // | |
| Status = CoreInstallConfigurationTable (&gEfiMemoryTypeInformationGuid, &gMemoryTypeInformation); | |
| ASSERT_EFI_ERROR (Status); | |
| // | |
| // If Loading modules At fixed address feature is enabled, install Load moduels at fixed address | |
| // Configuration Table so that user could easily to retrieve the top address to load Dxe and PEI | |
| // Code and Tseg base to load SMM driver. | |
| // | |
| if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) { | |
| Status = CoreInstallConfigurationTable (&gLoadFixedAddressConfigurationTableGuid, &gLoadModuleAtFixAddressConfigurationTable); | |
| ASSERT_EFI_ERROR (Status); | |
| } | |
| // | |
| // Report Status Code here for DXE_ENTRY_POINT once it is available | |
| // | |
| REPORT_STATUS_CODE ( | |
| EFI_PROGRESS_CODE, | |
| (EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_PC_ENTRY_POINT) | |
| ); | |
| // | |
| // Create the aligned system table pointer structure that is used by external | |
| // debuggers to locate the system table... Also, install debug image info | |
| // configuration table. | |
| // | |
| CoreInitializeDebugImageInfoTable (); | |
| CoreNewDebugImageInfoEntry ( | |
| EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL, | |
| gDxeCoreLoadedImage, | |
| gDxeCoreImageHandle | |
| ); | |
| DEBUG ((DEBUG_INFO | DEBUG_LOAD, "HOBLIST address in DXE = 0x%p\n", HobStart)); | |
| DEBUG_CODE_BEGIN (); | |
| EFI_PEI_HOB_POINTERS Hob; | |
| for (Hob.Raw = HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) { | |
| if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) { | |
| DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Memory Allocation 0x%08x 0x%0lx - 0x%0lx\n", \ | |
| Hob.MemoryAllocation->AllocDescriptor.MemoryType, \ | |
| Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress, \ | |
| Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress + Hob.MemoryAllocation->AllocDescriptor.MemoryLength - 1)); | |
| } | |
| } | |
| for (Hob.Raw = HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) { | |
| if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV2) { | |
| DEBUG ((DEBUG_INFO | DEBUG_LOAD, "FV2 Hob 0x%0lx - 0x%0lx\n", Hob.FirmwareVolume2->BaseAddress, Hob.FirmwareVolume2->BaseAddress + Hob.FirmwareVolume2->Length - 1)); | |
| } else if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) { | |
| DEBUG ((DEBUG_INFO | DEBUG_LOAD, "FV Hob 0x%0lx - 0x%0lx\n", Hob.FirmwareVolume->BaseAddress, Hob.FirmwareVolume->BaseAddress + Hob.FirmwareVolume->Length - 1)); | |
| } | |
| } | |
| DEBUG_CODE_END (); | |
| // | |
| // Initialize the Event Services | |
| // | |
| Status = CoreInitializeEventServices (); | |
| ASSERT_EFI_ERROR (Status); | |
| MemoryProfileInstallProtocol (); | |
| CoreInitializePropertiesTable (); | |
| CoreInitializeMemoryAttributesTable (); | |
| CoreInitializeMemoryProtection (); | |
| // | |
| // Get persisted vector hand-off info from GUIDeed HOB again due to HobStart may be updated, | |
| // and install configuration table | |
| // | |
| GuidHob = GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid, HobStart); | |
| if (GuidHob != NULL) { | |
| VectorInfoList = (EFI_VECTOR_HANDOFF_INFO *) (GET_GUID_HOB_DATA(GuidHob)); | |
| VectorInfo = VectorInfoList; | |
| Index = 1; | |
| while (VectorInfo->Attribute != EFI_VECTOR_HANDOFF_LAST_ENTRY) { | |
| VectorInfo ++; | |
| Index ++; | |
| } | |
| VectorInfo = AllocateCopyPool (sizeof (EFI_VECTOR_HANDOFF_INFO) * Index, (VOID *) VectorInfoList); | |
| ASSERT (VectorInfo != NULL); | |
| Status = CoreInstallConfigurationTable (&gEfiVectorHandoffTableGuid, (VOID *) VectorInfo); | |
| ASSERT_EFI_ERROR (Status); | |
| } | |
| // | |
| // Get the Protocols that were passed in from PEI to DXE through GUIDed HOBs | |
| // | |
| // These Protocols are not architectural. This implementation is sharing code between | |
| // PEI and DXE in order to save FLASH space. These Protocols could also be implemented | |
| // as part of the DXE Core. However, that would also require the DXE Core to be ported | |
| // each time a different CPU is used, a different Decompression algorithm is used, or a | |
| // different Image type is used. By placing these Protocols in PEI, the DXE Core remains | |
| // generic, and only PEI and the Arch Protocols need to be ported from Platform to Platform, | |
| // and from CPU to CPU. | |
| // | |
| // | |
| // Publish the EFI, Tiano, and Custom Decompress protocols for use by other DXE components | |
| // | |
| Status = CoreInstallMultipleProtocolInterfaces ( | |
| &mDecompressHandle, | |
| &gEfiDecompressProtocolGuid, &gEfiDecompress, | |
| NULL | |
| ); | |
| ASSERT_EFI_ERROR (Status); | |
| // | |
| // Register for the GUIDs of the Architectural Protocols, so the rest of the | |
| // EFI Boot Services and EFI Runtime Services tables can be filled in. | |
| // Also register for the GUIDs of optional protocols. | |
| // | |
| CoreNotifyOnProtocolInstallation (); | |
| // | |
| // Produce Firmware Volume Protocols, one for each FV in the HOB list. | |
| // | |
| Status = FwVolBlockDriverInit (gDxeCoreImageHandle, gDxeCoreST); | |
| ASSERT_EFI_ERROR (Status); | |
| Status = FwVolDriverInit (gDxeCoreImageHandle, gDxeCoreST); | |
| ASSERT_EFI_ERROR (Status); | |
| // | |
| // Produce the Section Extraction Protocol | |
| // | |
| Status = InitializeSectionExtraction (gDxeCoreImageHandle, gDxeCoreST); | |
| ASSERT_EFI_ERROR (Status); | |
| // | |
| // Initialize the DXE Dispatcher | |
| // | |
| PERF_START (NULL,"CoreInitializeDispatcher", "DxeMain", 0) ; | |
| CoreInitializeDispatcher (); | |
| PERF_END (NULL,"CoreInitializeDispatcher", "DxeMain", 0) ; | |
| // | |
| // Invoke the DXE Dispatcher | |
| // | |
| PERF_START (NULL, "CoreDispatcher", "DxeMain", 0); | |
| CoreDispatcher (); | |
| PERF_END (NULL, "CoreDispatcher", "DxeMain", 0); | |
| // | |
| // Display Architectural protocols that were not loaded if this is DEBUG build | |
| // | |
| DEBUG_CODE_BEGIN (); | |
| CoreDisplayMissingArchProtocols (); | |
| DEBUG_CODE_END (); | |
| // | |
| // Display any drivers that were not dispatched because dependency expression | |
| // evaluated to false if this is a debug build | |
| // | |
| DEBUG_CODE_BEGIN (); | |
| CoreDisplayDiscoveredNotDispatched (); | |
| DEBUG_CODE_END (); | |
| // | |
| // Assert if the Architectural Protocols are not present. | |
| // | |
| Status = CoreAllEfiServicesAvailable (); | |
| if (EFI_ERROR(Status)) { | |
| // | |
| // Report Status code that some Architectural Protocols are not present. | |
| // | |
| REPORT_STATUS_CODE ( | |
| EFI_ERROR_CODE | EFI_ERROR_MAJOR, | |
| (EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_EC_NO_ARCH) | |
| ); | |
| } | |
| ASSERT_EFI_ERROR (Status); | |
| // | |
| // Report Status code before transfer control to BDS | |
| // | |
| REPORT_STATUS_CODE ( | |
| EFI_PROGRESS_CODE, | |
| (EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_PC_HANDOFF_TO_NEXT) | |
| ); | |
| // | |
| // Transfer control to the BDS Architectural Protocol | |
| // | |
| gBds->Entry (gBds); | |
| // | |
| // BDS should never return | |
| // | |
| ASSERT (FALSE); | |
| CpuDeadLoop (); | |
| UNREACHABLE (); | |
| } | |
| /** | |
| Place holder function until all the Boot Services and Runtime Services are | |
| available. | |
| @return EFI_NOT_AVAILABLE_YET | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| CoreEfiNotAvailableYetArg0 ( | |
| VOID | |
| ) | |
| { | |
| // | |
| // This function should never be executed. If it does, then the architectural protocols | |
| // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
| // DXE Core and all the Architectural Protocols are complete. | |
| // | |
| return EFI_NOT_AVAILABLE_YET; | |
| } | |
| /** | |
| Place holder function until all the Boot Services and Runtime Services are | |
| available. | |
| @param Arg1 Undefined | |
| @return EFI_NOT_AVAILABLE_YET | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| CoreEfiNotAvailableYetArg1 ( | |
| UINTN Arg1 | |
| ) | |
| { | |
| // | |
| // This function should never be executed. If it does, then the architectural protocols | |
| // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
| // DXE Core and all the Architectural Protocols are complete. | |
| // | |
| return EFI_NOT_AVAILABLE_YET; | |
| } | |
| /** | |
| Place holder function until all the Boot Services and Runtime Services are available. | |
| @param Arg1 Undefined | |
| @param Arg2 Undefined | |
| @return EFI_NOT_AVAILABLE_YET | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| CoreEfiNotAvailableYetArg2 ( | |
| UINTN Arg1, | |
| UINTN Arg2 | |
| ) | |
| { | |
| // | |
| // This function should never be executed. If it does, then the architectural protocols | |
| // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
| // DXE Core and all the Architectural Protocols are complete. | |
| // | |
| return EFI_NOT_AVAILABLE_YET; | |
| } | |
| /** | |
| Place holder function until all the Boot Services and Runtime Services are available. | |
| @param Arg1 Undefined | |
| @param Arg2 Undefined | |
| @param Arg3 Undefined | |
| @return EFI_NOT_AVAILABLE_YET | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| CoreEfiNotAvailableYetArg3 ( | |
| UINTN Arg1, | |
| UINTN Arg2, | |
| UINTN Arg3 | |
| ) | |
| { | |
| // | |
| // This function should never be executed. If it does, then the architectural protocols | |
| // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
| // DXE Core and all the Architectural Protocols are complete. | |
| // | |
| return EFI_NOT_AVAILABLE_YET; | |
| } | |
| /** | |
| Place holder function until all the Boot Services and Runtime Services are available. | |
| @param Arg1 Undefined | |
| @param Arg2 Undefined | |
| @param Arg3 Undefined | |
| @param Arg4 Undefined | |
| @return EFI_NOT_AVAILABLE_YET | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| CoreEfiNotAvailableYetArg4 ( | |
| UINTN Arg1, | |
| UINTN Arg2, | |
| UINTN Arg3, | |
| UINTN Arg4 | |
| ) | |
| { | |
| // | |
| // This function should never be executed. If it does, then the architectural protocols | |
| // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
| // DXE Core and all the Architectural Protocols are complete. | |
| // | |
| return EFI_NOT_AVAILABLE_YET; | |
| } | |
| /** | |
| Place holder function until all the Boot Services and Runtime Services are available. | |
| @param Arg1 Undefined | |
| @param Arg2 Undefined | |
| @param Arg3 Undefined | |
| @param Arg4 Undefined | |
| @param Arg5 Undefined | |
| @return EFI_NOT_AVAILABLE_YET | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| CoreEfiNotAvailableYetArg5 ( | |
| UINTN Arg1, | |
| UINTN Arg2, | |
| UINTN Arg3, | |
| UINTN Arg4, | |
| UINTN Arg5 | |
| ) | |
| { | |
| // | |
| // This function should never be executed. If it does, then the architectural protocols | |
| // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
| // DXE Core and all the Architectural Protocols are complete. | |
| // | |
| return EFI_NOT_AVAILABLE_YET; | |
| } | |
| /** | |
| Calcualte the 32-bit CRC in a EFI table using the service provided by the | |
| gRuntime service. | |
| @param Hdr Pointer to an EFI standard header | |
| **/ | |
| VOID | |
| CalculateEfiHdrCrc ( | |
| IN OUT EFI_TABLE_HEADER *Hdr | |
| ) | |
| { | |
| UINT32 Crc; | |
| Hdr->CRC32 = 0; | |
| // | |
| // If gBS->CalculateCrce32 () == CoreEfiNotAvailableYet () then | |
| // Crc will come back as zero if we set it to zero here | |
| // | |
| Crc = 0; | |
| gBS->CalculateCrc32 ((UINT8 *)Hdr, Hdr->HeaderSize, &Crc); | |
| Hdr->CRC32 = Crc; | |
| } | |
| /** | |
| Terminates all boot services. | |
| @param ImageHandle Handle that identifies the exiting image. | |
| @param MapKey Key to the latest memory map. | |
| @retval EFI_SUCCESS Boot Services terminated | |
| @retval EFI_INVALID_PARAMETER MapKey is incorrect. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| CoreExitBootServices ( | |
| IN EFI_HANDLE ImageHandle, | |
| IN UINTN MapKey | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| // | |
| // Disable Timer | |
| // | |
| gTimer->SetTimerPeriod (gTimer, 0); | |
| // | |
| // Terminate memory services if the MapKey matches | |
| // | |
| Status = CoreTerminateMemoryMap (MapKey); | |
| if (EFI_ERROR (Status)) { | |
| // | |
| // Notify other drivers that ExitBootServices fail | |
| // | |
| CoreNotifySignalList (&gEventExitBootServicesFailedGuid); | |
| return Status; | |
| } | |
| gMemoryMapTerminated = TRUE; | |
| // | |
| // Notify other drivers that we are exiting boot services. | |
| // | |
| CoreNotifySignalList (&gEfiEventExitBootServicesGuid); | |
| // | |
| // Report that ExitBootServices() has been called | |
| // | |
| REPORT_STATUS_CODE ( | |
| EFI_PROGRESS_CODE, | |
| (EFI_SOFTWARE_EFI_BOOT_SERVICE | EFI_SW_BS_PC_EXIT_BOOT_SERVICES) | |
| ); | |
| // | |
| // Disable interrupt of Debug timer. | |
| // | |
| SaveAndSetDebugTimerInterrupt (FALSE); | |
| // | |
| // Disable CPU Interrupts | |
| // | |
| gCpu->DisableInterrupt (gCpu); | |
| MemoryProtectionExitBootServicesCallback(); | |
| // | |
| // Clear the non-runtime values of the EFI System Table | |
| // | |
| gDxeCoreST->BootServices = NULL; | |
| gDxeCoreST->ConIn = NULL; | |
| gDxeCoreST->ConsoleInHandle = NULL; | |
| gDxeCoreST->ConOut = NULL; | |
| gDxeCoreST->ConsoleOutHandle = NULL; | |
| gDxeCoreST->StdErr = NULL; | |
| gDxeCoreST->StandardErrorHandle = NULL; | |
| // | |
| // Recompute the 32-bit CRC of the EFI System Table | |
| // | |
| CalculateEfiHdrCrc (&gDxeCoreST->Hdr); | |
| // | |
| // Zero out the Boot Service Table | |
| // | |
| ZeroMem (gBS, sizeof (EFI_BOOT_SERVICES)); | |
| gBS = NULL; | |
| // | |
| // Update the AtRuntime field in Runtiem AP. | |
| // | |
| gRuntime->AtRuntime = TRUE; | |
| return Status; | |
| } | |
| /** | |
| Given a compressed source buffer, this function retrieves the size of the | |
| uncompressed buffer and the size of the scratch buffer required to decompress | |
| the compressed source buffer. | |
| The GetInfo() function retrieves the size of the uncompressed buffer and the | |
| temporary scratch buffer required to decompress the buffer specified by Source | |
| and SourceSize. If the size of the uncompressed buffer or the size of the | |
| scratch buffer cannot be determined from the compressed data specified by | |
| Source and SourceData, then EFI_INVALID_PARAMETER is returned. Otherwise, the | |
| size of the uncompressed buffer is returned in DestinationSize, the size of | |
| the scratch buffer is returned in ScratchSize, and EFI_SUCCESS is returned. | |
| The GetInfo() function does not have scratch buffer available to perform a | |
| thorough checking of the validity of the source data. It just retrieves the | |
| "Original Size" field from the beginning bytes of the source data and output | |
| it as DestinationSize. And ScratchSize is specific to the decompression | |
| implementation. | |
| @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance. | |
| @param Source The source buffer containing the compressed data. | |
| @param SourceSize The size, in bytes, of the source buffer. | |
| @param DestinationSize A pointer to the size, in bytes, of the | |
| uncompressed buffer that will be generated when the | |
| compressed buffer specified by Source and | |
| SourceSize is decompressed. | |
| @param ScratchSize A pointer to the size, in bytes, of the scratch | |
| buffer that is required to decompress the | |
| compressed buffer specified by Source and | |
| SourceSize. | |
| @retval EFI_SUCCESS The size of the uncompressed data was returned in | |
| DestinationSize and the size of the scratch buffer | |
| was returned in ScratchSize. | |
| @retval EFI_INVALID_PARAMETER The size of the uncompressed data or the size of | |
| the scratch buffer cannot be determined from the | |
| compressed data specified by Source and | |
| SourceSize. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| DxeMainUefiDecompressGetInfo ( | |
| IN EFI_DECOMPRESS_PROTOCOL *This, | |
| IN VOID *Source, | |
| IN UINT32 SourceSize, | |
| OUT UINT32 *DestinationSize, | |
| OUT UINT32 *ScratchSize | |
| ) | |
| { | |
| if (Source == NULL || DestinationSize == NULL || ScratchSize == NULL) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| return UefiDecompressGetInfo (Source, SourceSize, DestinationSize, ScratchSize); | |
| } | |
| /** | |
| Decompresses a compressed source buffer. | |
| The Decompress() function extracts decompressed data to its original form. | |
| This protocol is designed so that the decompression algorithm can be | |
| implemented without using any memory services. As a result, the Decompress() | |
| Function is not allowed to call AllocatePool() or AllocatePages() in its | |
| implementation. It is the caller's responsibility to allocate and free the | |
| Destination and Scratch buffers. | |
| If the compressed source data specified by Source and SourceSize is | |
| successfully decompressed into Destination, then EFI_SUCCESS is returned. If | |
| the compressed source data specified by Source and SourceSize is not in a | |
| valid compressed data format, then EFI_INVALID_PARAMETER is returned. | |
| @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance. | |
| @param Source The source buffer containing the compressed data. | |
| @param SourceSize SourceSizeThe size of source data. | |
| @param Destination On output, the destination buffer that contains | |
| the uncompressed data. | |
| @param DestinationSize The size of the destination buffer. The size of | |
| the destination buffer needed is obtained from | |
| EFI_DECOMPRESS_PROTOCOL.GetInfo(). | |
| @param Scratch A temporary scratch buffer that is used to perform | |
| the decompression. | |
| @param ScratchSize The size of scratch buffer. The size of the | |
| scratch buffer needed is obtained from GetInfo(). | |
| @retval EFI_SUCCESS Decompression completed successfully, and the | |
| uncompressed buffer is returned in Destination. | |
| @retval EFI_INVALID_PARAMETER The source buffer specified by Source and | |
| SourceSize is corrupted (not in a valid | |
| compressed format). | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| DxeMainUefiDecompress ( | |
| IN EFI_DECOMPRESS_PROTOCOL *This, | |
| IN VOID *Source, | |
| IN UINT32 SourceSize, | |
| IN OUT VOID *Destination, | |
| IN UINT32 DestinationSize, | |
| IN OUT VOID *Scratch, | |
| IN UINT32 ScratchSize | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| UINT32 TestDestinationSize; | |
| UINT32 TestScratchSize; | |
| if (Source == NULL || Destination== NULL || Scratch == NULL) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| Status = UefiDecompressGetInfo (Source, SourceSize, &TestDestinationSize, &TestScratchSize); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| if (ScratchSize < TestScratchSize || DestinationSize < TestDestinationSize) { | |
| return RETURN_INVALID_PARAMETER; | |
| } | |
| return UefiDecompress (Source, Destination, Scratch); | |
| } |