3 Copyright (c) 2006 - 2007, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 DXE Core Main Entry Point
25 // DXE Core Global Variables for Protocols from PEI
27 EFI_HANDLE mDecompressHandle
= NULL
;
28 EFI_PEI_PE_COFF_LOADER_PROTOCOL
*gEfiPeiPeCoffLoader
= NULL
;
31 // DXE Core globals for Architecture Protocols
33 EFI_SECURITY_ARCH_PROTOCOL
*gSecurity
= NULL
;
34 EFI_CPU_ARCH_PROTOCOL
*gCpu
= NULL
;
35 EFI_METRONOME_ARCH_PROTOCOL
*gMetronome
= NULL
;
36 EFI_TIMER_ARCH_PROTOCOL
*gTimer
= NULL
;
37 EFI_BDS_ARCH_PROTOCOL
*gBds
= NULL
;
38 EFI_WATCHDOG_TIMER_ARCH_PROTOCOL
*gWatchdogTimer
= NULL
;
42 // BugBug: I'n not runtime, but is the PPI?
44 EFI_STATUS_CODE_PROTOCOL gStatusCodeInstance
= {
48 EFI_STATUS_CODE_PROTOCOL
*gStatusCode
= &gStatusCodeInstance
;
52 // DXE Core Global used to update core loaded image protocol handle
54 EFI_GUID
*gDxeCoreFileName
;
55 EFI_LOADED_IMAGE_PROTOCOL
*gDxeCoreLoadedImage
;
60 // DXE Core Module Variables
63 EFI_BOOT_SERVICES mBootServices
= {
65 EFI_BOOT_SERVICES_SIGNATURE
, // Signature
66 EFI_BOOT_SERVICES_REVISION
, // Revision
67 sizeof (EFI_BOOT_SERVICES
), // HeaderSize
71 (EFI_RAISE_TPL
) CoreRaiseTpl
, // RaiseTPL
72 (EFI_RESTORE_TPL
) CoreRestoreTpl
, // RestoreTPL
73 (EFI_ALLOCATE_PAGES
) CoreAllocatePages
, // AllocatePages
74 (EFI_FREE_PAGES
) CoreFreePages
, // FreePages
75 (EFI_GET_MEMORY_MAP
) CoreGetMemoryMap
, // GetMemoryMap
76 (EFI_ALLOCATE_POOL
) CoreAllocatePool
, // AllocatePool
77 (EFI_FREE_POOL
) CoreFreePool
, // FreePool
78 (EFI_CREATE_EVENT
) CoreCreateEvent
, // CreateEvent
79 (EFI_SET_TIMER
) CoreSetTimer
, // SetTimer
80 (EFI_WAIT_FOR_EVENT
) CoreWaitForEvent
, // WaitForEvent
81 (EFI_SIGNAL_EVENT
) CoreSignalEvent
, // SignalEvent
82 (EFI_CLOSE_EVENT
) CoreCloseEvent
, // CloseEvent
83 (EFI_CHECK_EVENT
) CoreCheckEvent
, // CheckEvent
84 (EFI_INSTALL_PROTOCOL_INTERFACE
) CoreInstallProtocolInterface
, // InstallProtocolInterface
85 (EFI_REINSTALL_PROTOCOL_INTERFACE
) CoreReinstallProtocolInterface
, // ReinstallProtocolInterface
86 (EFI_UNINSTALL_PROTOCOL_INTERFACE
) CoreUninstallProtocolInterface
, // UninstallProtocolInterface
87 (EFI_HANDLE_PROTOCOL
) CoreHandleProtocol
, // HandleProtocol
88 (VOID
*) NULL
, // Reserved
89 (EFI_REGISTER_PROTOCOL_NOTIFY
) CoreRegisterProtocolNotify
, // RegisterProtocolNotify
90 (EFI_LOCATE_HANDLE
) CoreLocateHandle
, // LocateHandle
91 (EFI_LOCATE_DEVICE_PATH
) CoreLocateDevicePath
, // LocateDevicePath
92 (EFI_INSTALL_CONFIGURATION_TABLE
) CoreInstallConfigurationTable
, // InstallConfigurationTable
93 (EFI_IMAGE_LOAD
) CoreLoadImage
, // LoadImage
94 (EFI_IMAGE_START
) CoreStartImage
, // StartImage
95 (EFI_EXIT
) CoreExit
, // Exit
96 (EFI_IMAGE_UNLOAD
) CoreUnloadImage
, // UnloadImage
97 (EFI_EXIT_BOOT_SERVICES
) CoreExitBootServices
, // ExitBootServices
98 (EFI_GET_NEXT_MONOTONIC_COUNT
) CoreEfiNotAvailableYetArg1
, // GetNextMonotonicCount
99 (EFI_STALL
) CoreStall
, // Stall
100 (EFI_SET_WATCHDOG_TIMER
) CoreSetWatchdogTimer
, // SetWatchdogTimer
101 (EFI_CONNECT_CONTROLLER
) CoreConnectController
, // ConnectController
102 (EFI_DISCONNECT_CONTROLLER
) CoreDisconnectController
, // DisconnectController
103 (EFI_OPEN_PROTOCOL
) CoreOpenProtocol
, // OpenProtocol
104 (EFI_CLOSE_PROTOCOL
) CoreCloseProtocol
, // CloseProtocol
105 (EFI_OPEN_PROTOCOL_INFORMATION
) CoreOpenProtocolInformation
, // OpenProtocolInformation
106 (EFI_PROTOCOLS_PER_HANDLE
) CoreProtocolsPerHandle
, // ProtocolsPerHandle
107 (EFI_LOCATE_HANDLE_BUFFER
) CoreLocateHandleBuffer
, // LocateHandleBuffer
108 (EFI_LOCATE_PROTOCOL
) CoreLocateProtocol
, // LocateProtocol
109 (EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES
) CoreInstallMultipleProtocolInterfaces
, // InstallMultipleProtocolInterfaces
110 (EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES
) CoreUninstallMultipleProtocolInterfaces
, // UninstallMultipleProtocolInterfaces
111 (EFI_CALCULATE_CRC32
) CoreEfiNotAvailableYetArg3
, // CalculateCrc32
112 (EFI_COPY_MEM
) CopyMem
, // CopyMem
113 (EFI_SET_MEM
) SetMem
, // SetMem
114 (EFI_CREATE_EVENT_EX
) CoreCreateEventEx
// CreateEventEx
117 EFI_DXE_SERVICES mDxeServices
= {
119 DXE_SERVICES_SIGNATURE
, // Signature
120 DXE_SERVICES_REVISION
, // Revision
121 sizeof (DXE_SERVICES
), // HeaderSize
125 (EFI_ADD_MEMORY_SPACE
) CoreAddMemorySpace
, // AddMemorySpace
126 (EFI_ALLOCATE_MEMORY_SPACE
) CoreAllocateMemorySpace
, // AllocateMemorySpace
127 (EFI_FREE_MEMORY_SPACE
) CoreFreeMemorySpace
, // FreeMemorySpace
128 (EFI_REMOVE_MEMORY_SPACE
) CoreRemoveMemorySpace
, // RemoveMemorySpace
129 (EFI_GET_MEMORY_SPACE_DESCRIPTOR
) CoreGetMemorySpaceDescriptor
, // GetMemorySpaceDescriptor
130 (EFI_SET_MEMORY_SPACE_ATTRIBUTES
) CoreSetMemorySpaceAttributes
, // SetMemorySpaceAttributes
131 (EFI_GET_MEMORY_SPACE_MAP
) CoreGetMemorySpaceMap
, // GetMemorySpaceMap
132 (EFI_ADD_IO_SPACE
) CoreAddIoSpace
, // AddIoSpace
133 (EFI_ALLOCATE_IO_SPACE
) CoreAllocateIoSpace
, // AllocateIoSpace
134 (EFI_FREE_IO_SPACE
) CoreFreeIoSpace
, // FreeIoSpace
135 (EFI_REMOVE_IO_SPACE
) CoreRemoveIoSpace
, // RemoveIoSpace
136 (EFI_GET_IO_SPACE_DESCRIPTOR
) CoreGetIoSpaceDescriptor
, // GetIoSpaceDescriptor
137 (EFI_GET_IO_SPACE_MAP
) CoreGetIoSpaceMap
, // GetIoSpaceMap
138 (EFI_DISPATCH
) CoreDispatcher
, // Dispatch
139 (EFI_SCHEDULE
) CoreSchedule
, // Schedule
140 (EFI_TRUST
) CoreTrust
, // Trust
141 (EFI_PROCESS_FIRMWARE_VOLUME
) CoreProcessFirmwareVolume
, // ProcessFirmwareVolume
144 EFI_SYSTEM_TABLE mEfiSystemTableTemplate
= {
146 EFI_SYSTEM_TABLE_SIGNATURE
, // Signature
147 EFI_SYSTEM_TABLE_REVISION
, // Revision
148 sizeof (EFI_SYSTEM_TABLE
), // HeaderSize
152 NULL
, // FirmwareVendor
153 0, // FirmwareRevision
154 NULL
, // ConsoleInHandle
156 NULL
, // ConsoleOutHandle
158 NULL
, // StandardErrorHandle
160 NULL
, // RuntimeServices
161 &mBootServices
, // BootServices
162 0, // NumberOfConfigurationTableEntries
163 NULL
// ConfigurationTable
166 EFI_RUNTIME_SERVICES mEfiRuntimeServicesTableTemplate
= {
168 EFI_RUNTIME_SERVICES_SIGNATURE
, // Signature
169 EFI_RUNTIME_SERVICES_REVISION
, // Revision
170 sizeof (EFI_RUNTIME_SERVICES
), // HeaderSize
174 (EFI_GET_TIME
) CoreEfiNotAvailableYetArg2
, // GetTime
175 (EFI_SET_TIME
) CoreEfiNotAvailableYetArg1
, // SetTime
176 (EFI_GET_WAKEUP_TIME
) CoreEfiNotAvailableYetArg3
, // GetWakeupTime
177 (EFI_SET_WAKEUP_TIME
) CoreEfiNotAvailableYetArg2
, // SetWakeupTime
178 (EFI_SET_VIRTUAL_ADDRESS_MAP
) CoreEfiNotAvailableYetArg4
, // SetVirtualAddressMap
179 (EFI_CONVERT_POINTER
) CoreEfiNotAvailableYetArg2
, // ConvertPointer
180 (EFI_GET_VARIABLE
) CoreEfiNotAvailableYetArg5
, // GetVariable
181 (EFI_GET_NEXT_VARIABLE_NAME
) CoreEfiNotAvailableYetArg3
, // GetNextVariableName
182 (EFI_SET_VARIABLE
) CoreEfiNotAvailableYetArg5
, // SetVariable
183 (EFI_GET_NEXT_HIGH_MONO_COUNT
) CoreEfiNotAvailableYetArg1
, // GetNextHighMonotonicCount
184 (EFI_RESET_SYSTEM
) CoreEfiNotAvailableYetArg4
, // ResetSystem
185 (EFI_UPDATE_CAPSULE
) CoreEfiNotAvailableYetArg3
, // UpdateCapsule
186 (EFI_QUERY_CAPSULE_CAPABILITIES
) CoreEfiNotAvailableYetArg4
, // QueryCapsuleCapabilities
187 (EFI_QUERY_VARIABLE_INFO
) CoreEfiNotAvailableYetArg4
// QueryVariableInfo
190 EFI_RUNTIME_ARCH_PROTOCOL gRuntimeTemplate
= {
191 INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate
.ImageHead
),
192 INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate
.EventHead
),
195 // Make sure Size != sizeof (EFI_MEMORY_DESCRIPTOR). This will
196 // prevent people from having pointer math bugs in their code.
197 // now you have to use *DescriptorSize to make things work.
199 sizeof (EFI_MEMORY_DESCRIPTOR
) + sizeof (UINT64
) - (sizeof (EFI_MEMORY_DESCRIPTOR
) % sizeof (UINT64
)),
200 EFI_MEMORY_DESCRIPTOR_VERSION
,
208 EFI_RUNTIME_ARCH_PROTOCOL
*gRuntime
= &gRuntimeTemplate
;
211 // DXE Core Global Variables for the EFI System Table, Boot Services Table,
212 // DXE Services Table, and Runtime Services Table
214 EFI_BOOT_SERVICES
*gDxeCoreBS
= &mBootServices
;
215 EFI_DXE_SERVICES
*gDxeCoreDS
= &mDxeServices
;
216 EFI_SYSTEM_TABLE
*gDxeCoreST
= NULL
;
219 // For debug initialize gDxeCoreRT to template. gDxeCoreRT must be allocated from RT memory
220 // but gDxeCoreRT is used for ASSERT () and DEBUG () type macros so lets give it
221 // a value that will not cause debug infrastructure to crash early on.
223 EFI_RUNTIME_SERVICES
*gDxeCoreRT
= &mEfiRuntimeServicesTableTemplate
;
224 EFI_HANDLE gDxeCoreImageHandle
= NULL
;
229 // EFI Decompress Protocol
231 EFI_DECOMPRESS_PROTOCOL gEfiDecompress
= {
232 DxeMainUefiDecompressGetInfo
,
233 DxeMainUefiDecompress
237 // Main entry point to the DXE Core
248 Main entry point to DXE Core.
252 HobStart - Pointer to the beginning of the HOB List from PEI
256 This function should never return
261 EFI_PHYSICAL_ADDRESS MemoryBaseAddress
;
264 mHobStart
= HobStart
;
267 // Initialize Memory Services
269 CoreInitializeMemoryServices (&HobStart
, &MemoryBaseAddress
, &MemoryLength
);
272 // Allocate the EFI System Table and EFI Runtime Service Table from EfiRuntimeServicesData
273 // Use the templates to initialize the contents of the EFI System Table and EFI Runtime Services Table
275 gDxeCoreST
= CoreAllocateRuntimeCopyPool (sizeof (EFI_SYSTEM_TABLE
), &mEfiSystemTableTemplate
);
276 ASSERT (gDxeCoreST
!= NULL
);
278 gDxeCoreRT
= CoreAllocateRuntimeCopyPool (sizeof (EFI_RUNTIME_SERVICES
), &mEfiRuntimeServicesTableTemplate
);
279 ASSERT (gDxeCoreRT
!= NULL
);
281 gDxeCoreST
->RuntimeServices
= gDxeCoreRT
;
284 // Start the Image Services.
286 Status
= CoreInitializeImageServices (HobStart
);
287 ASSERT_EFI_ERROR (Status
);
290 // Call constructor for all libraries
292 ProcessLibraryConstructorList (gDxeCoreImageHandle
, gDxeCoreST
);
293 PERF_END (0,PEI_TOK
, NULL
, 0) ;
294 PERF_START (0,DXE_TOK
, NULL
, 0) ;
297 // Initialize the Global Coherency Domain Services
299 Status
= CoreInitializeGcdServices (&HobStart
, MemoryBaseAddress
, MemoryLength
);
300 ASSERT_EFI_ERROR (Status
);
303 // Install the DXE Services Table into the EFI System Tables's Configuration Table
305 Status
= CoreInstallConfigurationTable (&gEfiDxeServicesTableGuid
, gDxeCoreDS
);
306 ASSERT_EFI_ERROR (Status
);
309 // Install the HOB List into the EFI System Tables's Configuration Table
311 Status
= CoreInstallConfigurationTable (&gEfiHobListGuid
, HobStart
);
312 ASSERT_EFI_ERROR (Status
);
315 // Install Memory Type Information Table into the EFI System Tables's Configuration Table
317 Status
= CoreInstallConfigurationTable (&gEfiMemoryTypeInformationGuid
, &gMemoryTypeInformation
);
318 ASSERT_EFI_ERROR (Status
);
321 // Initialize the ReportStatusCode with PEI version, if available
323 CoreGetPeiProtocol (&gEfiStatusCodeRuntimeProtocolGuid
, (VOID
**)&gStatusCode
->ReportStatusCode
);
326 // Report Status Code here for DXE_ENTRY_POINT once it is available
328 CoreReportProgressCode ((EFI_SOFTWARE_DXE_CORE
| EFI_SW_DXE_CORE_PC_ENTRY_POINT
));
331 // Create the aligned system table pointer structure that is used by external
332 // debuggers to locate the system table... Also, install debug image info
333 // configuration table.
335 CoreInitializeDebugImageInfoTable ();
336 CoreNewDebugImageInfoEntry (
337 EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL
,
342 DEBUG ((EFI_D_INFO
| EFI_D_LOAD
, "HOBLIST address in DXE = 0x%08x\n", HobStart
));
345 // Initialize the Event Services
347 Status
= CoreInitializeEventServices ();
348 ASSERT_EFI_ERROR (Status
);
352 // Get the Protocols that were passed in from PEI to DXE through GUIDed HOBs
354 // These Protocols are not architectural. This implementation is sharing code between
355 // PEI and DXE in order to save FLASH space. These Protocols could also be implemented
356 // as part of the DXE Core. However, that would also require the DXE Core to be ported
357 // each time a different CPU is used, a different Decompression algorithm is used, or a
358 // different Image type is used. By placing these Protocols in PEI, the DXE Core remains
359 // generic, and only PEI and the Arch Protocols need to be ported from Platform to Platform,
360 // and from CPU to CPU.
364 // Publish the EFI, Tiano, and Custom Decompress protocols for use by other DXE components
366 Status
= CoreInstallMultipleProtocolInterfaces (
368 &gEfiDecompressProtocolGuid
, &gEfiDecompress
,
371 ASSERT_EFI_ERROR (Status
);
373 gEfiPeiPeCoffLoader
= GetPeCoffLoaderProtocol ();
374 ASSERT (gEfiPeiPeCoffLoader
!= NULL
);
377 // Register for the GUIDs of the Architectural Protocols, so the rest of the
378 // EFI Boot Services and EFI Runtime Services tables can be filled in.
380 CoreNotifyOnArchProtocolInstallation ();
383 // Produce Firmware Volume Protocols, one for each FV in the HOB list.
385 Status
= FwVolBlockDriverInit (gDxeCoreImageHandle
, gDxeCoreST
);
386 ASSERT_EFI_ERROR (Status
);
388 Status
= FwVolDriverInit (gDxeCoreImageHandle
, gDxeCoreST
);
389 ASSERT_EFI_ERROR (Status
);
392 // Produce the Section Extraction Protocol
394 Status
= InitializeSectionExtraction (gDxeCoreImageHandle
, gDxeCoreST
);
395 ASSERT_EFI_ERROR (Status
);
398 // Initialize the DXE Dispatcher
400 PERF_START (0,"CoreInitializeDispatcher", "DxeMain", 0) ;
401 CoreInitializeDispatcher ();
402 PERF_END (0,"CoreInitializeDispatcher", "DxeMain", 0) ;
405 // Invoke the DXE Dispatcher
407 PERF_START (0, "CoreDispatcher", "DxeMain", 0);
409 PERF_END (0, "CoreDispatcher", "DxeMain", 0);
412 // Display Architectural protocols that were not loaded if this is DEBUG build
415 CoreDisplayMissingArchProtocols ();
419 // Assert if the Architectural Protocols are not present.
421 ASSERT_EFI_ERROR (CoreAllEfiServicesAvailable ());
424 // Report Status code before transfer control to BDS
426 CoreReportProgressCode ((EFI_SOFTWARE_DXE_CORE
| EFI_SW_DXE_CORE_PC_HANDOFF_TO_NEXT
));
428 // Display any drivers that were not dispatched because dependency expression
429 // evaluated to false if this is a debug build
432 CoreDisplayDiscoveredNotDispatched ();
436 // Transfer control to the BDS Architectural Protocol
441 // BDS should never return
450 CoreEfiNotAvailableYetArg0 (
457 Place holder function until all the Boot Services and Runtime Services are available
465 EFI_NOT_AVAILABLE_YET
470 // This function should never be executed. If it does, then the architectural protocols
471 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
472 // DXE Core and all the Architectural Protocols are complete.
475 return EFI_NOT_AVAILABLE_YET
;
480 CoreEfiNotAvailableYetArg1 (
487 Place holder function until all the Boot Services and Runtime Services are available
495 EFI_NOT_AVAILABLE_YET
500 // This function should never be executed. If it does, then the architectural protocols
501 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
502 // DXE Core and all the Architectural Protocols are complete.
505 return EFI_NOT_AVAILABLE_YET
;
510 CoreEfiNotAvailableYetArg2 (
518 Place holder function until all the Boot Services and Runtime Services are available
528 EFI_NOT_AVAILABLE_YET
533 // This function should never be executed. If it does, then the architectural protocols
534 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
535 // DXE Core and all the Architectural Protocols are complete.
538 return EFI_NOT_AVAILABLE_YET
;
543 CoreEfiNotAvailableYetArg3 (
552 Place holder function until all the Boot Services and Runtime Services are available
564 EFI_NOT_AVAILABLE_YET
569 // This function should never be executed. If it does, then the architectural protocols
570 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
571 // DXE Core and all the Architectural Protocols are complete.
574 return EFI_NOT_AVAILABLE_YET
;
579 CoreEfiNotAvailableYetArg4 (
589 Place holder function until all the Boot Services and Runtime Services are available
603 EFI_NOT_AVAILABLE_YET
608 // This function should never be executed. If it does, then the architectural protocols
609 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
610 // DXE Core and all the Architectural Protocols are complete.
613 return EFI_NOT_AVAILABLE_YET
;
618 CoreEfiNotAvailableYetArg5 (
629 Place holder function until all the Boot Services and Runtime Services are available
645 EFI_NOT_AVAILABLE_YET
650 // This function should never be executed. If it does, then the architectural protocols
651 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
652 // DXE Core and all the Architectural Protocols are complete.
655 return EFI_NOT_AVAILABLE_YET
;
661 IN EFI_GUID
*ProtocolGuid
,
668 Searches for a Protocol Interface passed from PEI through a HOB
672 ProtocolGuid - The Protocol GUID to search for in the HOB List
674 Interface - A pointer to the interface for the Protocol GUID
678 EFI_SUCCESS - The Protocol GUID was found and its interface is returned in Interface
680 EFI_NOT_FOUND - The Protocol GUID was not found in the HOB List
684 EFI_HOB_GUID_TYPE
*GuidHob
;
687 GuidHob
= GetNextGuidHob (ProtocolGuid
, mHobStart
);
688 if (GuidHob
== NULL
) {
689 return EFI_NOT_FOUND
;
692 Buffer
= GET_GUID_HOB_DATA (GuidHob
);
693 ASSERT (Buffer
!= NULL
);
695 *Interface
= (VOID
*)(*(UINTN
*)(Buffer
));
703 IN OUT EFI_TABLE_HEADER
*Hdr
709 Calcualte the 32-bit CRC in a EFI table using the service provided by the
714 Hdr - Pointer to an EFI standard header
727 // If gDxeCoreBS->CalculateCrce32 () == CoreEfiNotAvailableYet () then
728 // Crc will come back as zero if we set it to zero here
731 gDxeCoreBS
->CalculateCrc32 ((UINT8
*)Hdr
, Hdr
->HeaderSize
, &Crc
);
739 CoreExitBootServices (
740 IN EFI_HANDLE ImageHandle
,
747 Terminates all boot services.
751 ImageHandle - Handle that identifies the exiting image.
753 MapKey -Key to the latest memory map.
757 EFI_SUCCESS - Boot Services terminated
758 EFI_INVALID_PARAMETER - MapKey is incorrect.
765 // Terminate memory services if the MapKey matches
767 Status
= CoreTerminateMemoryMap (MapKey
);
768 if (EFI_ERROR (Status
)) {
773 // Notify other drivers that we are exiting boot services.
775 CoreNotifySignalList (&gEfiEventExitBootServicesGuid
);
780 gTimer
->SetTimerPeriod (gTimer
, 0);
783 // Disable CPU Interrupts
785 gCpu
->DisableInterrupt (gCpu
);
788 // Report that ExitBootServices() has been called
790 // We are using gEfiCallerIdGuid as the caller ID for Dxe Core
792 CoreReportProgressCode ((EFI_SOFTWARE_EFI_BOOT_SERVICE
| EFI_SW_BS_PC_EXIT_BOOT_SERVICES
));
795 // Clear the non-runtime values of the EFI System Table
797 gDxeCoreST
->BootServices
= NULL
;
798 gDxeCoreST
->ConIn
= NULL
;
799 gDxeCoreST
->ConsoleInHandle
= NULL
;
800 gDxeCoreST
->ConOut
= NULL
;
801 gDxeCoreST
->ConsoleOutHandle
= NULL
;
802 gDxeCoreST
->StdErr
= NULL
;
803 gDxeCoreST
->StandardErrorHandle
= NULL
;
806 // Recompute the 32-bit CRC of the EFI System Table
808 CalculateEfiHdrCrc (&gDxeCoreST
->Hdr
);
811 // Zero out the Boot Service Table
813 SetMem (gDxeCoreBS
, sizeof (EFI_BOOT_SERVICES
), 0);
817 // Update the AtRuntime field in Runtiem AP.
819 gRuntime
->AtRuntime
= TRUE
;
825 DxeMainUefiDecompressGetInfo (
826 IN EFI_DECOMPRESS_PROTOCOL
*This
,
828 IN UINT32 SourceSize
,
829 OUT UINT32
*DestinationSize
,
830 OUT UINT32
*ScratchSize
834 || DestinationSize
== NULL
835 || ScratchSize
== NULL
) {
836 return EFI_INVALID_PARAMETER
;
838 return UefiDecompressGetInfo (Source
, SourceSize
, DestinationSize
, ScratchSize
);
843 DxeMainUefiDecompress (
844 IN EFI_DECOMPRESS_PROTOCOL
*This
,
846 IN UINT32 SourceSize
,
847 IN OUT VOID
*Destination
,
848 IN UINT32 DestinationSize
,
849 IN OUT VOID
*Scratch
,
850 IN UINT32 ScratchSize
854 UINT32 TestDestinationSize
;
855 UINT32 TestScratchSize
;
858 || Destination
== NULL
859 || Scratch
== NULL
) {
860 return EFI_INVALID_PARAMETER
;
863 Status
= UefiDecompressGetInfo (Source
, SourceSize
, &TestDestinationSize
, &TestScratchSize
);
864 if (EFI_ERROR (Status
)) {
868 if (ScratchSize
< TestScratchSize
|| DestinationSize
< TestDestinationSize
) {
869 return RETURN_INVALID_PARAMETER
;
872 return UefiDecompress (Source
, Destination
, Scratch
);