961 lines
35 KiB
C
961 lines
35 KiB
C
/** @file
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DXE Core Main Entry Point
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Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "DxeMain.h"
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//#include "Debug.h"
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//
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// DXE Core Global Variables for Protocols from PEI
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//
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EFI_HANDLE mDecompressHandle = NULL;
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//
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// DXE Core globals for Architecture Protocols
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//
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EFI_SECURITY_ARCH_PROTOCOL *gSecurity = NULL;
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EFI_SECURITY2_ARCH_PROTOCOL *gSecurity2 = NULL;
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EFI_CPU_ARCH_PROTOCOL *gCpu = NULL;
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EFI_METRONOME_ARCH_PROTOCOL *gMetronome = NULL;
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EFI_TIMER_ARCH_PROTOCOL *gTimer = NULL;
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EFI_BDS_ARCH_PROTOCOL *gBds = NULL;
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EFI_WATCHDOG_TIMER_ARCH_PROTOCOL *gWatchdogTimer = NULL;
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//
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// DXE Core globals for optional protocol dependencies
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//
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EFI_SMM_BASE2_PROTOCOL *gSmmBase2 = NULL;
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//
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// DXE Core Global used to update core loaded image protocol handle
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//
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EFI_GUID *gDxeCoreFileName;
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EFI_LOADED_IMAGE_PROTOCOL *gDxeCoreLoadedImage;
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//
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// DXE Core Module Variables
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//
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EFI_BOOT_SERVICES mBootServices = {
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{
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EFI_BOOT_SERVICES_SIGNATURE, // Signature
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EFI_BOOT_SERVICES_REVISION, // Revision
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sizeof (EFI_BOOT_SERVICES), // HeaderSize
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0, // CRC32
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0 // Reserved
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},
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(EFI_RAISE_TPL) CoreRaiseTpl, // RaiseTPL
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(EFI_RESTORE_TPL) CoreRestoreTpl, // RestoreTPL +0x20
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(EFI_ALLOCATE_PAGES) CoreAllocatePages, // AllocatePages
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(EFI_FREE_PAGES) CoreFreePages, // FreePages
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(EFI_GET_MEMORY_MAP) CoreGetMemoryMap, // GetMemoryMap
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(EFI_ALLOCATE_POOL) CoreAllocatePool, // AllocatePool +0x40
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(EFI_FREE_POOL) CoreFreePool, // FreePool
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(EFI_CREATE_EVENT) CoreCreateEvent, // CreateEvent +0x50
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(EFI_SET_TIMER) CoreSetTimer, // SetTimer
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(EFI_WAIT_FOR_EVENT) CoreWaitForEvent, // WaitForEvent +0x60
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(EFI_SIGNAL_EVENT) CoreSignalEvent, // SignalEvent
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(EFI_CLOSE_EVENT) CoreCloseEvent, // CloseEvent 0x70
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(EFI_CHECK_EVENT) CoreCheckEvent, // CheckEvent
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(EFI_INSTALL_PROTOCOL_INTERFACE) CoreInstallProtocolInterface, // InstallProtocolInterface 0x80
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(EFI_REINSTALL_PROTOCOL_INTERFACE) CoreReinstallProtocolInterface, // ReinstallProtocolInterface
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(EFI_UNINSTALL_PROTOCOL_INTERFACE) CoreUninstallProtocolInterface, // UninstallProtocolInterface 0x90
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(EFI_HANDLE_PROTOCOL) CoreHandleProtocol, // HandleProtocol
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(VOID *) NULL, // Reserved 0xA0
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(EFI_REGISTER_PROTOCOL_NOTIFY) CoreRegisterProtocolNotify, // RegisterProtocolNotify 0xA8
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(EFI_LOCATE_HANDLE) CoreLocateHandle, // LocateHandle
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(EFI_LOCATE_DEVICE_PATH) CoreLocateDevicePath, // LocateDevicePath 0xB8
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(EFI_INSTALL_CONFIGURATION_TABLE) CoreInstallConfigurationTable, // InstallConfigurationTable 0xC0
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(EFI_IMAGE_LOAD) CoreLoadImage, // LoadImage
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(EFI_IMAGE_START) CoreStartImage, // StartImage 0xD0
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(EFI_EXIT) CoreExit, // Exit
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(EFI_IMAGE_UNLOAD) CoreUnloadImage, // UnloadImage 0xE0
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(EFI_EXIT_BOOT_SERVICES) CoreExitBootServices, // ExitBootServices 0xE8
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(EFI_GET_NEXT_MONOTONIC_COUNT) CoreEfiNotAvailableYetArg1, // GetNextMonotonicCount 0xF0
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(EFI_STALL) CoreStall, // Stall
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(EFI_SET_WATCHDOG_TIMER) CoreSetWatchdogTimer, // SetWatchdogTimer 0x100
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(EFI_CONNECT_CONTROLLER) CoreConnectController, // ConnectController
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(EFI_DISCONNECT_CONTROLLER) CoreDisconnectController, // DisconnectController
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(EFI_OPEN_PROTOCOL) CoreOpenProtocol, // OpenProtocol
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(EFI_CLOSE_PROTOCOL) CoreCloseProtocol, // CloseProtocol
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(EFI_OPEN_PROTOCOL_INFORMATION) CoreOpenProtocolInformation, // OpenProtocolInformation
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(EFI_PROTOCOLS_PER_HANDLE) CoreProtocolsPerHandle, // ProtocolsPerHandle
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(EFI_LOCATE_HANDLE_BUFFER) CoreLocateHandleBuffer, // LocateHandleBuffer
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(EFI_LOCATE_PROTOCOL) CoreLocateProtocol, // LocateProtocol 0x140
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(EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES) CoreInstallMultipleProtocolInterfaces, // InstallMultipleProtocolInterfaces
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(EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES) CoreUninstallMultipleProtocolInterfaces, // UninstallMultipleProtocolInterfaces
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(EFI_CALCULATE_CRC32) CoreEfiNotAvailableYetArg3, // CalculateCrc32
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(EFI_COPY_MEM) CopyMem, // CopyMem 0x160
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(EFI_SET_MEM) SetMem, // SetMem 0x168
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(EFI_CREATE_EVENT_EX) CoreCreateEventEx // CreateEventEx 0x170
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};
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EFI_DXE_SERVICES mDxeServices = {
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{
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DXE_SERVICES_SIGNATURE, // Signature
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DXE_SERVICES_REVISION, // Revision
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sizeof (DXE_SERVICES), // HeaderSize
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0, // CRC32
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0 // Reserved
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},
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(EFI_ADD_MEMORY_SPACE) CoreAddMemorySpace, // AddMemorySpace
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(EFI_ALLOCATE_MEMORY_SPACE) CoreAllocateMemorySpace, // AllocateMemorySpace
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(EFI_FREE_MEMORY_SPACE) CoreFreeMemorySpace, // FreeMemorySpace
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(EFI_REMOVE_MEMORY_SPACE) CoreRemoveMemorySpace, // RemoveMemorySpace
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(EFI_GET_MEMORY_SPACE_DESCRIPTOR) CoreGetMemorySpaceDescriptor, // GetMemorySpaceDescriptor
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(EFI_SET_MEMORY_SPACE_ATTRIBUTES) CoreSetMemorySpaceAttributes, // SetMemorySpaceAttributes
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(EFI_GET_MEMORY_SPACE_MAP) CoreGetMemorySpaceMap, // GetMemorySpaceMap
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(EFI_ADD_IO_SPACE) CoreAddIoSpace, // AddIoSpace
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(EFI_ALLOCATE_IO_SPACE) CoreAllocateIoSpace, // AllocateIoSpace
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(EFI_FREE_IO_SPACE) CoreFreeIoSpace, // FreeIoSpace
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(EFI_REMOVE_IO_SPACE) CoreRemoveIoSpace, // RemoveIoSpace
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(EFI_GET_IO_SPACE_DESCRIPTOR) CoreGetIoSpaceDescriptor, // GetIoSpaceDescriptor
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(EFI_GET_IO_SPACE_MAP) CoreGetIoSpaceMap, // GetIoSpaceMap
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(EFI_DISPATCH) CoreDispatcher, // Dispatch
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(EFI_SCHEDULE) CoreSchedule, // Schedule
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(EFI_TRUST) CoreTrust, // Trust
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(EFI_PROCESS_FIRMWARE_VOLUME) CoreProcessFirmwareVolume, // ProcessFirmwareVolume
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};
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EFI_SYSTEM_TABLE mEfiSystemTableTemplate = {
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{
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EFI_SYSTEM_TABLE_SIGNATURE, // Signature
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EFI_SYSTEM_TABLE_REVISION, // Revision
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sizeof (EFI_SYSTEM_TABLE), // HeaderSize
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0, // CRC32
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0 // Reserved
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},
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NULL, // FirmwareVendor
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0, // FirmwareRevision
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NULL, // ConsoleInHandle
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NULL, // ConIn
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NULL, // ConsoleOutHandle
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NULL, // ConOut
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NULL, // StandardErrorHandle
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NULL, // StdErr
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NULL, // RuntimeServices
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&mBootServices, // BootServices
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0, // NumberOfConfigurationTableEntries
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NULL // ConfigurationTable
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};
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EFI_RUNTIME_SERVICES mEfiRuntimeServicesTableTemplate = {
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{
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EFI_RUNTIME_SERVICES_SIGNATURE, // Signature
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EFI_RUNTIME_SERVICES_REVISION, // Revision
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sizeof (EFI_RUNTIME_SERVICES), // HeaderSize
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0, // CRC32
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0 // Reserved
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},
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(EFI_GET_TIME) CoreEfiNotAvailableYetArg2, // GetTime
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(EFI_SET_TIME) CoreEfiNotAvailableYetArg1, // SetTime
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(EFI_GET_WAKEUP_TIME) CoreEfiNotAvailableYetArg3, // GetWakeupTime
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(EFI_SET_WAKEUP_TIME) CoreEfiNotAvailableYetArg2, // SetWakeupTime
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(EFI_SET_VIRTUAL_ADDRESS_MAP) CoreEfiNotAvailableYetArg4, // SetVirtualAddressMap
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(EFI_CONVERT_POINTER) CoreEfiNotAvailableYetArg2, // ConvertPointer
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(EFI_GET_VARIABLE) CoreEfiNotAvailableYetArg5, // GetVariable //0x48
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(EFI_GET_NEXT_VARIABLE_NAME) CoreEfiNotAvailableYetArg3, // GetNextVariableName
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(EFI_SET_VARIABLE) CoreEfiNotAvailableYetArg5, // SetVariable
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(EFI_GET_NEXT_HIGH_MONO_COUNT) CoreEfiNotAvailableYetArg1, // GetNextHighMonotonicCount
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(EFI_RESET_SYSTEM) CoreEfiNotAvailableYetArg4, // ResetSystem
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(EFI_UPDATE_CAPSULE) CoreEfiNotAvailableYetArg3, // UpdateCapsule
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(EFI_QUERY_CAPSULE_CAPABILITIES) CoreEfiNotAvailableYetArg4, // QueryCapsuleCapabilities
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(EFI_QUERY_VARIABLE_INFO) CoreEfiNotAvailableYetArg4 // QueryVariableInfo
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};
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EFI_RUNTIME_ARCH_PROTOCOL gRuntimeTemplate = {
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INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate.ImageHead),
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INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate.EventHead),
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//
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// Make sure Size != sizeof (EFI_MEMORY_DESCRIPTOR). This will
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// prevent people from having pointer math bugs in their code.
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// now you have to use *DescriptorSize to make things work.
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//
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sizeof (EFI_MEMORY_DESCRIPTOR) + sizeof (UINT64) - (sizeof (EFI_MEMORY_DESCRIPTOR) % sizeof (UINT64)),
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EFI_MEMORY_DESCRIPTOR_VERSION,
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0,
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NULL,
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NULL,
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FALSE,
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FALSE
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};
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EFI_RUNTIME_ARCH_PROTOCOL *gRuntime = &gRuntimeTemplate;
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//
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// DXE Core Global Variables for the EFI System Table, Boot Services Table,
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// DXE Services Table, and Runtime Services Table
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//
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EFI_DXE_SERVICES *gDxeCoreDS = &mDxeServices;
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EFI_SYSTEM_TABLE *gDxeCoreST = NULL;
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//
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// For debug initialize gDxeCoreRT to template. gDxeCoreRT must be allocated from RT memory
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// but gDxeCoreRT is used for ASSERT () and DEBUG () type macros so lets give it
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// a value that will not cause debug infrastructure to crash early on.
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//
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EFI_RUNTIME_SERVICES *gDxeCoreRT = &mEfiRuntimeServicesTableTemplate;
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EFI_HANDLE gDxeCoreImageHandle = NULL;
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//
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// EFI Decompress Protocol
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//
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EFI_DECOMPRESS_PROTOCOL gEfiDecompress = {
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DxeMainUefiDecompressGetInfo,
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DxeMainUefiDecompress
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};
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//
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// For Loading modules at fixed address feature, the configuration table is to cache the top address below which to load
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// Runtime code&boot time code
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//
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_LOAD_FIXED_ADDRESS_CONFIGURATION_TABLE gLoadModuleAtFixAddressConfigurationTable = {0, 0};
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// Main entry point to the DXE Core
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//
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/**
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Main entry point to DXE Core.
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@param HobStart Pointer to the beginning of the HOB List from PEI.
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@return This function should never return.
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**/
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VOID
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EFIAPI
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DxeMain (
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IN VOID *HobStart
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)
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{
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EFI_STATUS Status;
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EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
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UINT64 MemoryLength;
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PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
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UINTN Index;
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EFI_HOB_GUID_TYPE *GuidHob;
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EFI_VECTOR_HANDOFF_INFO *VectorInfoList;
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EFI_VECTOR_HANDOFF_INFO *VectorInfo;
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//ClearScreen();
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//
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// Setup the default exception handlers
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//
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VectorInfoList = NULL;
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GuidHob = GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid, HobStart);
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if (GuidHob != NULL) {
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VectorInfoList = (EFI_VECTOR_HANDOFF_INFO *) (GET_GUID_HOB_DATA(GuidHob));
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}
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Status = InitializeCpuExceptionHandlers (VectorInfoList);
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return;
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}
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//
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// Initialize Debug Agent to support source level debug in DXE phase
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//
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InitializeDebugAgent (DEBUG_AGENT_INIT_DXE_CORE, HobStart, NULL);
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//
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// Initialize Memory Services
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//
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CoreInitializeMemoryServices (&HobStart, &MemoryBaseAddress, &MemoryLength);
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//
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// Allocate the EFI System Table and EFI Runtime Service Table from EfiRuntimeServicesData
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// Use the templates to initialize the contents of the EFI System Table and EFI Runtime Services Table
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//
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gDxeCoreST = AllocateRuntimeCopyPool (sizeof (EFI_SYSTEM_TABLE), &mEfiSystemTableTemplate);
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// ASSERT (gDxeCoreST != NULL);
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gDxeCoreRT = AllocateRuntimeCopyPool (sizeof (EFI_RUNTIME_SERVICES), &mEfiRuntimeServicesTableTemplate);
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// ASSERT (gDxeCoreRT != NULL);
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gDxeCoreST->RuntimeServices = gDxeCoreRT;
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//
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// Start the Image Services.
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//
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Status = CoreInitializeImageServices (HobStart);
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return;
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}
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//
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// Call constructor for all libraries
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//
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ProcessLibraryConstructorList (gDxeCoreImageHandle, gDxeCoreST);
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PERF_END (NULL,"PEI", NULL, 0) ;
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PERF_START (NULL,"DXE", NULL, 0) ;
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//
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// Report DXE Core image information to the PE/COFF Extra Action Library
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//
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ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)gDxeCoreLoadedImage->ImageBase;
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ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageContext.ImageAddress);
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PeCoffLoaderRelocateImageExtraAction (&ImageContext);
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//
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// Initialize the Global Coherency Domain Services
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//
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Status = CoreInitializeGcdServices (&HobStart, MemoryBaseAddress, MemoryLength);
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return;
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}
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//
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// Install the DXE Services Table into the EFI System Tables's Configuration Table
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//
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Status = CoreInstallConfigurationTable (&gEfiDxeServicesTableGuid, gDxeCoreDS);
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return;
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}
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//
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// Install the HOB List into the EFI System Tables's Configuration Table
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//
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Status = CoreInstallConfigurationTable (&gEfiHobListGuid, HobStart);
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return;
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}
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//
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// Install Memory Type Information Table into the EFI System Tables's Configuration Table
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//
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Status = CoreInstallConfigurationTable (&gEfiMemoryTypeInformationGuid, &gMemoryTypeInformation);
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return;
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}
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//
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// If Loading modules At fixed address feature is enabled, install Load moduels at fixed address
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// Configuration Table so that user could easily to retrieve the top address to load Dxe and PEI
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// Code and Tseg base to load SMM driver.
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//
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if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {
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Status = CoreInstallConfigurationTable (&gLoadFixedAddressConfigurationTableGuid, &gLoadModuleAtFixAddressConfigurationTable);
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return;
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}
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}
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//
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// Report Status Code here for DXE_ENTRY_POINT once it is available
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//
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REPORT_STATUS_CODE (
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EFI_PROGRESS_CODE,
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(EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_PC_ENTRY_POINT)
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);
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//
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// Create the aligned system table pointer structure that is used by external
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// debuggers to locate the system table... Also, install debug image info
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// configuration table.
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//
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CoreInitializeDebugImageInfoTable ();
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CoreNewDebugImageInfoEntry (
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EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL,
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gDxeCoreLoadedImage,
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gDxeCoreImageHandle
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);
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/*
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DEBUG ((DEBUG_INFO | DEBUG_LOAD, "HOBLIST address in DXE = 0x%p\n", HobStart));
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DEBUG_CODE_BEGIN ();
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EFI_PEI_HOB_POINTERS Hob;
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for (Hob.Raw = HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {
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if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {
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DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Memory Allocation 0x%08x 0x%0lx - 0x%0lx\n", \
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Hob.MemoryAllocation->AllocDescriptor.MemoryType, \
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Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress, \
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Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress + Hob.MemoryAllocation->AllocDescriptor.MemoryLength - 1));
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}
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}
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for (Hob.Raw = HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {
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if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV2) {
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DEBUG ((DEBUG_INFO | DEBUG_LOAD, "FV2 Hob 0x%0lx - 0x%0lx\n", Hob.FirmwareVolume2->BaseAddress, Hob.FirmwareVolume2->BaseAddress + Hob.FirmwareVolume2->Length - 1));
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} else if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {
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DEBUG ((DEBUG_INFO | DEBUG_LOAD, "FV Hob 0x%0lx - 0x%0lx\n", Hob.FirmwareVolume->BaseAddress, Hob.FirmwareVolume->BaseAddress + Hob.FirmwareVolume2->Length - 1));
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}
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}
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DEBUG_CODE_END ();
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*/
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//
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// Initialize the Event Services
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//
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Status = CoreInitializeEventServices ();
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return;
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}
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//
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// Get persisted vector hand-off info from GUIDeed HOB again due to HobStart may be updated,
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// and install configuration table
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//
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GuidHob = GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid, HobStart);
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if (GuidHob != NULL) {
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VectorInfoList = (EFI_VECTOR_HANDOFF_INFO *) (GET_GUID_HOB_DATA(GuidHob));
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VectorInfo = VectorInfoList;
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Index = 1;
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while (VectorInfo->Attribute != EFI_VECTOR_HANDOFF_LAST_ENTRY) {
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VectorInfo ++;
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Index ++;
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}
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VectorInfo = AllocateCopyPool(sizeof (EFI_VECTOR_HANDOFF_INFO) * Index, (VOID *) VectorInfoList);
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// ASSERT (VectorInfo != NULL);
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if (!VectorInfo) return;
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Status = CoreInstallConfigurationTable (&gEfiVectorHandoffTableGuid, (VOID *) VectorInfo);
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return;
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}
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}
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//
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// Get the Protocols that were passed in from PEI to DXE through GUIDed HOBs
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//
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// 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);
|
|
if (EFI_ERROR(Status)) {
|
|
return;
|
|
}
|
|
|
|
//
|
|
// 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);
|
|
if (EFI_ERROR(Status)) {
|
|
return;
|
|
}
|
|
|
|
Status = FwVolDriverInit (gDxeCoreImageHandle, gDxeCoreST);
|
|
// ASSERT_EFI_ERROR(Status);
|
|
if (EFI_ERROR(Status)) {
|
|
return;
|
|
}
|
|
|
|
//
|
|
// Produce the Section Extraction Protocol
|
|
//
|
|
Status = InitializeSectionExtraction (gDxeCoreImageHandle, gDxeCoreST);
|
|
// ASSERT_EFI_ERROR(Status);
|
|
if (EFI_ERROR(Status)) {
|
|
return;
|
|
}
|
|
|
|
//
|
|
// 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);
|
|
if (EFI_ERROR(Status)) {
|
|
return;
|
|
}
|
|
//
|
|
// 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 ();
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
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;
|
|
}
|
|
|
|
//
|
|
// Notify other drivers that we are exiting boot services.
|
|
//
|
|
CoreNotifySignalList (&gEfiEventExitBootServicesGuid);
|
|
|
|
//
|
|
// Disable interrupt of Debug timer.
|
|
//
|
|
SaveAndSetDebugTimerInterrupt (FALSE);
|
|
|
|
//
|
|
// Disable CPU Interrupts
|
|
//
|
|
gCpu->DisableInterrupt (gCpu);
|
|
|
|
//
|
|
// Report that ExitBootServices() has been called
|
|
//
|
|
REPORT_STATUS_CODE (
|
|
EFI_PROGRESS_CODE,
|
|
(EFI_SOFTWARE_EFI_BOOT_SERVICE | EFI_SW_BS_PC_EXIT_BOOT_SERVICES)
|
|
);
|
|
|
|
//
|
|
// 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
|
|
sucessfully 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);
|
|
}
|