2 DXE Core Main Entry Point
4 Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 // DXE Core Global Variables for Protocols from PEI
20 EFI_HANDLE mDecompressHandle
= NULL
;
23 // DXE Core globals for Architecture Protocols
25 EFI_SECURITY_ARCH_PROTOCOL
*gSecurity
= NULL
;
26 EFI_SECURITY2_ARCH_PROTOCOL
*gSecurity2
= NULL
;
27 EFI_CPU_ARCH_PROTOCOL
*gCpu
= NULL
;
28 EFI_METRONOME_ARCH_PROTOCOL
*gMetronome
= NULL
;
29 EFI_TIMER_ARCH_PROTOCOL
*gTimer
= NULL
;
30 EFI_BDS_ARCH_PROTOCOL
*gBds
= NULL
;
31 EFI_WATCHDOG_TIMER_ARCH_PROTOCOL
*gWatchdogTimer
= NULL
;
34 // DXE Core globals for optional protocol dependencies
36 EFI_SMM_BASE2_PROTOCOL
*gSmmBase2
= NULL
;
39 // DXE Core Global used to update core loaded image protocol handle
41 EFI_GUID
*gDxeCoreFileName
;
42 EFI_LOADED_IMAGE_PROTOCOL
*gDxeCoreLoadedImage
;
45 // DXE Core Module Variables
47 EFI_BOOT_SERVICES mBootServices
= {
49 EFI_BOOT_SERVICES_SIGNATURE
, // Signature
50 EFI_BOOT_SERVICES_REVISION
, // Revision
51 sizeof (EFI_BOOT_SERVICES
), // HeaderSize
55 (EFI_RAISE_TPL
) CoreRaiseTpl
, // RaiseTPL
56 (EFI_RESTORE_TPL
) CoreRestoreTpl
, // RestoreTPL
57 (EFI_ALLOCATE_PAGES
) CoreAllocatePages
, // AllocatePages
58 (EFI_FREE_PAGES
) CoreFreePages
, // FreePages
59 (EFI_GET_MEMORY_MAP
) CoreGetMemoryMap
, // GetMemoryMap
60 (EFI_ALLOCATE_POOL
) CoreAllocatePool
, // AllocatePool
61 (EFI_FREE_POOL
) CoreFreePool
, // FreePool
62 (EFI_CREATE_EVENT
) CoreCreateEvent
, // CreateEvent
63 (EFI_SET_TIMER
) CoreSetTimer
, // SetTimer
64 (EFI_WAIT_FOR_EVENT
) CoreWaitForEvent
, // WaitForEvent
65 (EFI_SIGNAL_EVENT
) CoreSignalEvent
, // SignalEvent
66 (EFI_CLOSE_EVENT
) CoreCloseEvent
, // CloseEvent
67 (EFI_CHECK_EVENT
) CoreCheckEvent
, // CheckEvent
68 (EFI_INSTALL_PROTOCOL_INTERFACE
) CoreInstallProtocolInterface
, // InstallProtocolInterface
69 (EFI_REINSTALL_PROTOCOL_INTERFACE
) CoreReinstallProtocolInterface
, // ReinstallProtocolInterface
70 (EFI_UNINSTALL_PROTOCOL_INTERFACE
) CoreUninstallProtocolInterface
, // UninstallProtocolInterface
71 (EFI_HANDLE_PROTOCOL
) CoreHandleProtocol
, // HandleProtocol
72 (VOID
*) NULL
, // Reserved
73 (EFI_REGISTER_PROTOCOL_NOTIFY
) CoreRegisterProtocolNotify
, // RegisterProtocolNotify
74 (EFI_LOCATE_HANDLE
) CoreLocateHandle
, // LocateHandle
75 (EFI_LOCATE_DEVICE_PATH
) CoreLocateDevicePath
, // LocateDevicePath
76 (EFI_INSTALL_CONFIGURATION_TABLE
) CoreInstallConfigurationTable
, // InstallConfigurationTable
77 (EFI_IMAGE_LOAD
) CoreLoadImage
, // LoadImage
78 (EFI_IMAGE_START
) CoreStartImage
, // StartImage
79 (EFI_EXIT
) CoreExit
, // Exit
80 (EFI_IMAGE_UNLOAD
) CoreUnloadImage
, // UnloadImage
81 (EFI_EXIT_BOOT_SERVICES
) CoreExitBootServices
, // ExitBootServices
82 (EFI_GET_NEXT_MONOTONIC_COUNT
) CoreEfiNotAvailableYetArg1
, // GetNextMonotonicCount
83 (EFI_STALL
) CoreStall
, // Stall
84 (EFI_SET_WATCHDOG_TIMER
) CoreSetWatchdogTimer
, // SetWatchdogTimer
85 (EFI_CONNECT_CONTROLLER
) CoreConnectController
, // ConnectController
86 (EFI_DISCONNECT_CONTROLLER
) CoreDisconnectController
, // DisconnectController
87 (EFI_OPEN_PROTOCOL
) CoreOpenProtocol
, // OpenProtocol
88 (EFI_CLOSE_PROTOCOL
) CoreCloseProtocol
, // CloseProtocol
89 (EFI_OPEN_PROTOCOL_INFORMATION
) CoreOpenProtocolInformation
, // OpenProtocolInformation
90 (EFI_PROTOCOLS_PER_HANDLE
) CoreProtocolsPerHandle
, // ProtocolsPerHandle
91 (EFI_LOCATE_HANDLE_BUFFER
) CoreLocateHandleBuffer
, // LocateHandleBuffer
92 (EFI_LOCATE_PROTOCOL
) CoreLocateProtocol
, // LocateProtocol
93 (EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES
) CoreInstallMultipleProtocolInterfaces
, // InstallMultipleProtocolInterfaces
94 (EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES
) CoreUninstallMultipleProtocolInterfaces
, // UninstallMultipleProtocolInterfaces
95 (EFI_CALCULATE_CRC32
) CoreEfiNotAvailableYetArg3
, // CalculateCrc32
96 (EFI_COPY_MEM
) CopyMem
, // CopyMem
97 (EFI_SET_MEM
) SetMem
, // SetMem
98 (EFI_CREATE_EVENT_EX
) CoreCreateEventEx
// CreateEventEx
101 EFI_DXE_SERVICES mDxeServices
= {
103 DXE_SERVICES_SIGNATURE
, // Signature
104 DXE_SERVICES_REVISION
, // Revision
105 sizeof (DXE_SERVICES
), // HeaderSize
109 (EFI_ADD_MEMORY_SPACE
) CoreAddMemorySpace
, // AddMemorySpace
110 (EFI_ALLOCATE_MEMORY_SPACE
) CoreAllocateMemorySpace
, // AllocateMemorySpace
111 (EFI_FREE_MEMORY_SPACE
) CoreFreeMemorySpace
, // FreeMemorySpace
112 (EFI_REMOVE_MEMORY_SPACE
) CoreRemoveMemorySpace
, // RemoveMemorySpace
113 (EFI_GET_MEMORY_SPACE_DESCRIPTOR
) CoreGetMemorySpaceDescriptor
, // GetMemorySpaceDescriptor
114 (EFI_SET_MEMORY_SPACE_ATTRIBUTES
) CoreSetMemorySpaceAttributes
, // SetMemorySpaceAttributes
115 (EFI_GET_MEMORY_SPACE_MAP
) CoreGetMemorySpaceMap
, // GetMemorySpaceMap
116 (EFI_ADD_IO_SPACE
) CoreAddIoSpace
, // AddIoSpace
117 (EFI_ALLOCATE_IO_SPACE
) CoreAllocateIoSpace
, // AllocateIoSpace
118 (EFI_FREE_IO_SPACE
) CoreFreeIoSpace
, // FreeIoSpace
119 (EFI_REMOVE_IO_SPACE
) CoreRemoveIoSpace
, // RemoveIoSpace
120 (EFI_GET_IO_SPACE_DESCRIPTOR
) CoreGetIoSpaceDescriptor
, // GetIoSpaceDescriptor
121 (EFI_GET_IO_SPACE_MAP
) CoreGetIoSpaceMap
, // GetIoSpaceMap
122 (EFI_DISPATCH
) CoreDispatcher
, // Dispatch
123 (EFI_SCHEDULE
) CoreSchedule
, // Schedule
124 (EFI_TRUST
) CoreTrust
, // Trust
125 (EFI_PROCESS_FIRMWARE_VOLUME
) CoreProcessFirmwareVolume
, // ProcessFirmwareVolume
126 (EFI_SET_MEMORY_SPACE_CAPABILITIES
)CoreSetMemorySpaceCapabilities
, // SetMemorySpaceCapabilities
129 EFI_SYSTEM_TABLE mEfiSystemTableTemplate
= {
131 EFI_SYSTEM_TABLE_SIGNATURE
, // Signature
132 EFI_SYSTEM_TABLE_REVISION
, // Revision
133 sizeof (EFI_SYSTEM_TABLE
), // HeaderSize
137 NULL
, // FirmwareVendor
138 0, // FirmwareRevision
139 NULL
, // ConsoleInHandle
141 NULL
, // ConsoleOutHandle
143 NULL
, // StandardErrorHandle
145 NULL
, // RuntimeServices
146 &mBootServices
, // BootServices
147 0, // NumberOfConfigurationTableEntries
148 NULL
// ConfigurationTable
151 EFI_RUNTIME_SERVICES mEfiRuntimeServicesTableTemplate
= {
153 EFI_RUNTIME_SERVICES_SIGNATURE
, // Signature
154 EFI_RUNTIME_SERVICES_REVISION
, // Revision
155 sizeof (EFI_RUNTIME_SERVICES
), // HeaderSize
159 (EFI_GET_TIME
) CoreEfiNotAvailableYetArg2
, // GetTime
160 (EFI_SET_TIME
) CoreEfiNotAvailableYetArg1
, // SetTime
161 (EFI_GET_WAKEUP_TIME
) CoreEfiNotAvailableYetArg3
, // GetWakeupTime
162 (EFI_SET_WAKEUP_TIME
) CoreEfiNotAvailableYetArg2
, // SetWakeupTime
163 (EFI_SET_VIRTUAL_ADDRESS_MAP
) CoreEfiNotAvailableYetArg4
, // SetVirtualAddressMap
164 (EFI_CONVERT_POINTER
) CoreEfiNotAvailableYetArg2
, // ConvertPointer
165 (EFI_GET_VARIABLE
) CoreEfiNotAvailableYetArg5
, // GetVariable
166 (EFI_GET_NEXT_VARIABLE_NAME
) CoreEfiNotAvailableYetArg3
, // GetNextVariableName
167 (EFI_SET_VARIABLE
) CoreEfiNotAvailableYetArg5
, // SetVariable
168 (EFI_GET_NEXT_HIGH_MONO_COUNT
) CoreEfiNotAvailableYetArg1
, // GetNextHighMonotonicCount
169 (EFI_RESET_SYSTEM
) CoreEfiNotAvailableYetArg4
, // ResetSystem
170 (EFI_UPDATE_CAPSULE
) CoreEfiNotAvailableYetArg3
, // UpdateCapsule
171 (EFI_QUERY_CAPSULE_CAPABILITIES
) CoreEfiNotAvailableYetArg4
, // QueryCapsuleCapabilities
172 (EFI_QUERY_VARIABLE_INFO
) CoreEfiNotAvailableYetArg4
// QueryVariableInfo
175 EFI_RUNTIME_ARCH_PROTOCOL gRuntimeTemplate
= {
176 INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate
.ImageHead
),
177 INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate
.EventHead
),
180 // Make sure Size != sizeof (EFI_MEMORY_DESCRIPTOR). This will
181 // prevent people from having pointer math bugs in their code.
182 // now you have to use *DescriptorSize to make things work.
184 sizeof (EFI_MEMORY_DESCRIPTOR
) + sizeof (UINT64
) - (sizeof (EFI_MEMORY_DESCRIPTOR
) % sizeof (UINT64
)),
185 EFI_MEMORY_DESCRIPTOR_VERSION
,
193 EFI_RUNTIME_ARCH_PROTOCOL
*gRuntime
= &gRuntimeTemplate
;
196 // DXE Core Global Variables for the EFI System Table, Boot Services Table,
197 // DXE Services Table, and Runtime Services Table
199 EFI_DXE_SERVICES
*gDxeCoreDS
= &mDxeServices
;
200 EFI_SYSTEM_TABLE
*gDxeCoreST
= NULL
;
203 // For debug initialize gDxeCoreRT to template. gDxeCoreRT must be allocated from RT memory
204 // but gDxeCoreRT is used for ASSERT () and DEBUG () type macros so lets give it
205 // a value that will not cause debug infrastructure to crash early on.
207 EFI_RUNTIME_SERVICES
*gDxeCoreRT
= &mEfiRuntimeServicesTableTemplate
;
208 EFI_HANDLE gDxeCoreImageHandle
= NULL
;
212 // EFI Decompress Protocol
214 EFI_DECOMPRESS_PROTOCOL gEfiDecompress
= {
215 DxeMainUefiDecompressGetInfo
,
216 DxeMainUefiDecompress
220 // For Loading modules at fixed address feature, the configuration table is to cache the top address below which to load
221 // Runtime code&boot time code
223 GLOBAL_REMOVE_IF_UNREFERENCED EFI_LOAD_FIXED_ADDRESS_CONFIGURATION_TABLE gLoadModuleAtFixAddressConfigurationTable
= {0, 0};
225 // Main entry point to the DXE Core
229 Main entry point to DXE Core.
231 @param HobStart Pointer to the beginning of the HOB List from PEI.
233 @return This function should never return.
243 EFI_PHYSICAL_ADDRESS MemoryBaseAddress
;
245 PE_COFF_LOADER_IMAGE_CONTEXT ImageContext
;
247 EFI_HOB_GUID_TYPE
*GuidHob
;
248 EFI_VECTOR_HANDOFF_INFO
*VectorInfoList
;
249 EFI_VECTOR_HANDOFF_INFO
*VectorInfo
;
252 // Setup the default exception handlers
254 VectorInfoList
= NULL
;
255 GuidHob
= GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid
, HobStart
);
256 if (GuidHob
!= NULL
) {
257 VectorInfoList
= (EFI_VECTOR_HANDOFF_INFO
*) (GET_GUID_HOB_DATA(GuidHob
));
259 Status
= InitializeCpuExceptionHandlers (VectorInfoList
);
260 ASSERT_EFI_ERROR (Status
);
263 // Initialize Debug Agent to support source level debug in DXE phase
265 InitializeDebugAgent (DEBUG_AGENT_INIT_DXE_CORE
, HobStart
, NULL
);
268 // Initialize Memory Services
270 CoreInitializeMemoryServices (&HobStart
, &MemoryBaseAddress
, &MemoryLength
);
272 MemoryProfileInit (HobStart
);
275 // Allocate the EFI System Table and EFI Runtime Service Table from EfiRuntimeServicesData
276 // Use the templates to initialize the contents of the EFI System Table and EFI Runtime Services Table
278 gDxeCoreST
= AllocateRuntimeCopyPool (sizeof (EFI_SYSTEM_TABLE
), &mEfiSystemTableTemplate
);
279 ASSERT (gDxeCoreST
!= NULL
);
281 gDxeCoreRT
= AllocateRuntimeCopyPool (sizeof (EFI_RUNTIME_SERVICES
), &mEfiRuntimeServicesTableTemplate
);
282 ASSERT (gDxeCoreRT
!= NULL
);
284 gDxeCoreST
->RuntimeServices
= gDxeCoreRT
;
287 // Start the Image Services.
289 Status
= CoreInitializeImageServices (HobStart
);
290 ASSERT_EFI_ERROR (Status
);
293 // Report DXE Core image information to the PE/COFF Extra Action Library
295 ZeroMem (&ImageContext
, sizeof (ImageContext
));
296 ImageContext
.ImageAddress
= (EFI_PHYSICAL_ADDRESS
)(UINTN
)gDxeCoreLoadedImage
->ImageBase
;
297 ImageContext
.PdbPointer
= PeCoffLoaderGetPdbPointer ((VOID
*) (UINTN
) ImageContext
.ImageAddress
);
298 PeCoffLoaderRelocateImageExtraAction (&ImageContext
);
301 // Initialize the Global Coherency Domain Services
303 Status
= CoreInitializeGcdServices (&HobStart
, MemoryBaseAddress
, MemoryLength
);
304 ASSERT_EFI_ERROR (Status
);
307 // Call constructor for all libraries
309 ProcessLibraryConstructorList (gDxeCoreImageHandle
, gDxeCoreST
);
310 PERF_END (NULL
,"PEI", NULL
, 0) ;
311 PERF_START (NULL
,"DXE", NULL
, 0) ;
314 // Install the DXE Services Table into the EFI System Tables's Configuration Table
316 Status
= CoreInstallConfigurationTable (&gEfiDxeServicesTableGuid
, gDxeCoreDS
);
317 ASSERT_EFI_ERROR (Status
);
320 // Install the HOB List into the EFI System Tables's Configuration Table
322 Status
= CoreInstallConfigurationTable (&gEfiHobListGuid
, HobStart
);
323 ASSERT_EFI_ERROR (Status
);
326 // Install Memory Type Information Table into the EFI System Tables's Configuration Table
328 Status
= CoreInstallConfigurationTable (&gEfiMemoryTypeInformationGuid
, &gMemoryTypeInformation
);
329 ASSERT_EFI_ERROR (Status
);
332 // If Loading modules At fixed address feature is enabled, install Load moduels at fixed address
333 // Configuration Table so that user could easily to retrieve the top address to load Dxe and PEI
334 // Code and Tseg base to load SMM driver.
336 if (PcdGet64(PcdLoadModuleAtFixAddressEnable
) != 0) {
337 Status
= CoreInstallConfigurationTable (&gLoadFixedAddressConfigurationTableGuid
, &gLoadModuleAtFixAddressConfigurationTable
);
338 ASSERT_EFI_ERROR (Status
);
341 // Report Status Code here for DXE_ENTRY_POINT once it is available
345 (EFI_SOFTWARE_DXE_CORE
| EFI_SW_DXE_CORE_PC_ENTRY_POINT
)
349 // Create the aligned system table pointer structure that is used by external
350 // debuggers to locate the system table... Also, install debug image info
351 // configuration table.
353 CoreInitializeDebugImageInfoTable ();
354 CoreNewDebugImageInfoEntry (
355 EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL
,
360 DEBUG ((DEBUG_INFO
| DEBUG_LOAD
, "HOBLIST address in DXE = 0x%p\n", HobStart
));
363 EFI_PEI_HOB_POINTERS Hob
;
365 for (Hob
.Raw
= HobStart
; !END_OF_HOB_LIST(Hob
); Hob
.Raw
= GET_NEXT_HOB(Hob
)) {
366 if (GET_HOB_TYPE (Hob
) == EFI_HOB_TYPE_MEMORY_ALLOCATION
) {
367 DEBUG ((DEBUG_INFO
| DEBUG_LOAD
, "Memory Allocation 0x%08x 0x%0lx - 0x%0lx\n", \
368 Hob
.MemoryAllocation
->AllocDescriptor
.MemoryType
, \
369 Hob
.MemoryAllocation
->AllocDescriptor
.MemoryBaseAddress
, \
370 Hob
.MemoryAllocation
->AllocDescriptor
.MemoryBaseAddress
+ Hob
.MemoryAllocation
->AllocDescriptor
.MemoryLength
- 1));
373 for (Hob
.Raw
= HobStart
; !END_OF_HOB_LIST(Hob
); Hob
.Raw
= GET_NEXT_HOB(Hob
)) {
374 if (GET_HOB_TYPE (Hob
) == EFI_HOB_TYPE_FV2
) {
375 DEBUG ((DEBUG_INFO
| DEBUG_LOAD
, "FV2 Hob 0x%0lx - 0x%0lx\n", Hob
.FirmwareVolume2
->BaseAddress
, Hob
.FirmwareVolume2
->BaseAddress
+ Hob
.FirmwareVolume2
->Length
- 1));
376 } else if (GET_HOB_TYPE (Hob
) == EFI_HOB_TYPE_FV
) {
377 DEBUG ((DEBUG_INFO
| DEBUG_LOAD
, "FV Hob 0x%0lx - 0x%0lx\n", Hob
.FirmwareVolume
->BaseAddress
, Hob
.FirmwareVolume
->BaseAddress
+ Hob
.FirmwareVolume
->Length
- 1));
383 // Initialize the Event Services
385 Status
= CoreInitializeEventServices ();
386 ASSERT_EFI_ERROR (Status
);
388 MemoryProfileInstallProtocol ();
390 CoreInitializePropertiesTable ();
393 // Get persisted vector hand-off info from GUIDeed HOB again due to HobStart may be updated,
394 // and install configuration table
396 GuidHob
= GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid
, HobStart
);
397 if (GuidHob
!= NULL
) {
398 VectorInfoList
= (EFI_VECTOR_HANDOFF_INFO
*) (GET_GUID_HOB_DATA(GuidHob
));
399 VectorInfo
= VectorInfoList
;
401 while (VectorInfo
->Attribute
!= EFI_VECTOR_HANDOFF_LAST_ENTRY
) {
405 VectorInfo
= AllocateCopyPool (sizeof (EFI_VECTOR_HANDOFF_INFO
) * Index
, (VOID
*) VectorInfoList
);
406 ASSERT (VectorInfo
!= NULL
);
407 Status
= CoreInstallConfigurationTable (&gEfiVectorHandoffTableGuid
, (VOID
*) VectorInfo
);
408 ASSERT_EFI_ERROR (Status
);
412 // Get the Protocols that were passed in from PEI to DXE through GUIDed HOBs
414 // These Protocols are not architectural. This implementation is sharing code between
415 // PEI and DXE in order to save FLASH space. These Protocols could also be implemented
416 // as part of the DXE Core. However, that would also require the DXE Core to be ported
417 // each time a different CPU is used, a different Decompression algorithm is used, or a
418 // different Image type is used. By placing these Protocols in PEI, the DXE Core remains
419 // generic, and only PEI and the Arch Protocols need to be ported from Platform to Platform,
420 // and from CPU to CPU.
424 // Publish the EFI, Tiano, and Custom Decompress protocols for use by other DXE components
426 Status
= CoreInstallMultipleProtocolInterfaces (
428 &gEfiDecompressProtocolGuid
, &gEfiDecompress
,
431 ASSERT_EFI_ERROR (Status
);
434 // Register for the GUIDs of the Architectural Protocols, so the rest of the
435 // EFI Boot Services and EFI Runtime Services tables can be filled in.
436 // Also register for the GUIDs of optional protocols.
438 CoreNotifyOnProtocolInstallation ();
441 // Produce Firmware Volume Protocols, one for each FV in the HOB list.
443 Status
= FwVolBlockDriverInit (gDxeCoreImageHandle
, gDxeCoreST
);
444 ASSERT_EFI_ERROR (Status
);
446 Status
= FwVolDriverInit (gDxeCoreImageHandle
, gDxeCoreST
);
447 ASSERT_EFI_ERROR (Status
);
450 // Produce the Section Extraction Protocol
452 Status
= InitializeSectionExtraction (gDxeCoreImageHandle
, gDxeCoreST
);
453 ASSERT_EFI_ERROR (Status
);
456 // Initialize the DXE Dispatcher
458 PERF_START (NULL
,"CoreInitializeDispatcher", "DxeMain", 0) ;
459 CoreInitializeDispatcher ();
460 PERF_END (NULL
,"CoreInitializeDispatcher", "DxeMain", 0) ;
463 // Invoke the DXE Dispatcher
465 PERF_START (NULL
, "CoreDispatcher", "DxeMain", 0);
467 PERF_END (NULL
, "CoreDispatcher", "DxeMain", 0);
470 // Display Architectural protocols that were not loaded if this is DEBUG build
473 CoreDisplayMissingArchProtocols ();
477 // Display any drivers that were not dispatched because dependency expression
478 // evaluated to false if this is a debug build
481 CoreDisplayDiscoveredNotDispatched ();
485 // Assert if the Architectural Protocols are not present.
487 Status
= CoreAllEfiServicesAvailable ();
488 if (EFI_ERROR(Status
)) {
490 // Report Status code that some Architectural Protocols are not present.
493 EFI_ERROR_CODE
| EFI_ERROR_MAJOR
,
494 (EFI_SOFTWARE_DXE_CORE
| EFI_SW_DXE_CORE_EC_NO_ARCH
)
497 ASSERT_EFI_ERROR (Status
);
500 // Report Status code before transfer control to BDS
504 (EFI_SOFTWARE_DXE_CORE
| EFI_SW_DXE_CORE_PC_HANDOFF_TO_NEXT
)
508 // Transfer control to the BDS Architectural Protocol
513 // BDS should never return
522 Place holder function until all the Boot Services and Runtime Services are
525 @return EFI_NOT_AVAILABLE_YET
530 CoreEfiNotAvailableYetArg0 (
535 // This function should never be executed. If it does, then the architectural protocols
536 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
537 // DXE Core and all the Architectural Protocols are complete.
540 return EFI_NOT_AVAILABLE_YET
;
545 Place holder function until all the Boot Services and Runtime Services are
548 @param Arg1 Undefined
550 @return EFI_NOT_AVAILABLE_YET
555 CoreEfiNotAvailableYetArg1 (
560 // This function should never be executed. If it does, then the architectural protocols
561 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
562 // DXE Core and all the Architectural Protocols are complete.
565 return EFI_NOT_AVAILABLE_YET
;
570 Place holder function until all the Boot Services and Runtime Services are available.
572 @param Arg1 Undefined
573 @param Arg2 Undefined
575 @return EFI_NOT_AVAILABLE_YET
580 CoreEfiNotAvailableYetArg2 (
586 // This function should never be executed. If it does, then the architectural protocols
587 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
588 // DXE Core and all the Architectural Protocols are complete.
591 return EFI_NOT_AVAILABLE_YET
;
596 Place holder function until all the Boot Services and Runtime Services are available.
598 @param Arg1 Undefined
599 @param Arg2 Undefined
600 @param Arg3 Undefined
602 @return EFI_NOT_AVAILABLE_YET
607 CoreEfiNotAvailableYetArg3 (
614 // This function should never be executed. If it does, then the architectural protocols
615 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
616 // DXE Core and all the Architectural Protocols are complete.
619 return EFI_NOT_AVAILABLE_YET
;
624 Place holder function until all the Boot Services and Runtime Services are available.
626 @param Arg1 Undefined
627 @param Arg2 Undefined
628 @param Arg3 Undefined
629 @param Arg4 Undefined
631 @return EFI_NOT_AVAILABLE_YET
636 CoreEfiNotAvailableYetArg4 (
644 // This function should never be executed. If it does, then the architectural protocols
645 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
646 // DXE Core and all the Architectural Protocols are complete.
649 return EFI_NOT_AVAILABLE_YET
;
654 Place holder function until all the Boot Services and Runtime Services are available.
656 @param Arg1 Undefined
657 @param Arg2 Undefined
658 @param Arg3 Undefined
659 @param Arg4 Undefined
660 @param Arg5 Undefined
662 @return EFI_NOT_AVAILABLE_YET
667 CoreEfiNotAvailableYetArg5 (
676 // This function should never be executed. If it does, then the architectural protocols
677 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
678 // DXE Core and all the Architectural Protocols are complete.
681 return EFI_NOT_AVAILABLE_YET
;
686 Calcualte the 32-bit CRC in a EFI table using the service provided by the
689 @param Hdr Pointer to an EFI standard header
694 IN OUT EFI_TABLE_HEADER
*Hdr
702 // If gBS->CalculateCrce32 () == CoreEfiNotAvailableYet () then
703 // Crc will come back as zero if we set it to zero here
706 gBS
->CalculateCrc32 ((UINT8
*)Hdr
, Hdr
->HeaderSize
, &Crc
);
712 Terminates all boot services.
714 @param ImageHandle Handle that identifies the exiting image.
715 @param MapKey Key to the latest memory map.
717 @retval EFI_SUCCESS Boot Services terminated
718 @retval EFI_INVALID_PARAMETER MapKey is incorrect.
723 CoreExitBootServices (
724 IN EFI_HANDLE ImageHandle
,
733 gTimer
->SetTimerPeriod (gTimer
, 0);
736 // Terminate memory services if the MapKey matches
738 Status
= CoreTerminateMemoryMap (MapKey
);
739 if (EFI_ERROR (Status
)) {
741 // Notify other drivers that ExitBootServices fail
743 CoreNotifySignalList (&gEventExitBootServicesFailedGuid
);
748 // Notify other drivers that we are exiting boot services.
750 CoreNotifySignalList (&gEfiEventExitBootServicesGuid
);
753 // Report that ExitBootServices() has been called
757 (EFI_SOFTWARE_EFI_BOOT_SERVICE
| EFI_SW_BS_PC_EXIT_BOOT_SERVICES
)
761 // Disable interrupt of Debug timer.
763 SaveAndSetDebugTimerInterrupt (FALSE
);
766 // Disable CPU Interrupts
768 gCpu
->DisableInterrupt (gCpu
);
771 // Clear the non-runtime values of the EFI System Table
773 gDxeCoreST
->BootServices
= NULL
;
774 gDxeCoreST
->ConIn
= NULL
;
775 gDxeCoreST
->ConsoleInHandle
= NULL
;
776 gDxeCoreST
->ConOut
= NULL
;
777 gDxeCoreST
->ConsoleOutHandle
= NULL
;
778 gDxeCoreST
->StdErr
= NULL
;
779 gDxeCoreST
->StandardErrorHandle
= NULL
;
782 // Recompute the 32-bit CRC of the EFI System Table
784 CalculateEfiHdrCrc (&gDxeCoreST
->Hdr
);
787 // Zero out the Boot Service Table
789 ZeroMem (gBS
, sizeof (EFI_BOOT_SERVICES
));
793 // Update the AtRuntime field in Runtiem AP.
795 gRuntime
->AtRuntime
= TRUE
;
802 Given a compressed source buffer, this function retrieves the size of the
803 uncompressed buffer and the size of the scratch buffer required to decompress
804 the compressed source buffer.
806 The GetInfo() function retrieves the size of the uncompressed buffer and the
807 temporary scratch buffer required to decompress the buffer specified by Source
808 and SourceSize. If the size of the uncompressed buffer or the size of the
809 scratch buffer cannot be determined from the compressed data specified by
810 Source and SourceData, then EFI_INVALID_PARAMETER is returned. Otherwise, the
811 size of the uncompressed buffer is returned in DestinationSize, the size of
812 the scratch buffer is returned in ScratchSize, and EFI_SUCCESS is returned.
813 The GetInfo() function does not have scratch buffer available to perform a
814 thorough checking of the validity of the source data. It just retrieves the
815 "Original Size" field from the beginning bytes of the source data and output
816 it as DestinationSize. And ScratchSize is specific to the decompression
819 @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance.
820 @param Source The source buffer containing the compressed data.
821 @param SourceSize The size, in bytes, of the source buffer.
822 @param DestinationSize A pointer to the size, in bytes, of the
823 uncompressed buffer that will be generated when the
824 compressed buffer specified by Source and
825 SourceSize is decompressed.
826 @param ScratchSize A pointer to the size, in bytes, of the scratch
827 buffer that is required to decompress the
828 compressed buffer specified by Source and
831 @retval EFI_SUCCESS The size of the uncompressed data was returned in
832 DestinationSize and the size of the scratch buffer
833 was returned in ScratchSize.
834 @retval EFI_INVALID_PARAMETER The size of the uncompressed data or the size of
835 the scratch buffer cannot be determined from the
836 compressed data specified by Source and
842 DxeMainUefiDecompressGetInfo (
843 IN EFI_DECOMPRESS_PROTOCOL
*This
,
845 IN UINT32 SourceSize
,
846 OUT UINT32
*DestinationSize
,
847 OUT UINT32
*ScratchSize
850 if (Source
== NULL
|| DestinationSize
== NULL
|| ScratchSize
== NULL
) {
851 return EFI_INVALID_PARAMETER
;
853 return UefiDecompressGetInfo (Source
, SourceSize
, DestinationSize
, ScratchSize
);
858 Decompresses a compressed source buffer.
860 The Decompress() function extracts decompressed data to its original form.
861 This protocol is designed so that the decompression algorithm can be
862 implemented without using any memory services. As a result, the Decompress()
863 Function is not allowed to call AllocatePool() or AllocatePages() in its
864 implementation. It is the caller's responsibility to allocate and free the
865 Destination and Scratch buffers.
866 If the compressed source data specified by Source and SourceSize is
867 successfully decompressed into Destination, then EFI_SUCCESS is returned. If
868 the compressed source data specified by Source and SourceSize is not in a
869 valid compressed data format, then EFI_INVALID_PARAMETER is returned.
871 @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance.
872 @param Source The source buffer containing the compressed data.
873 @param SourceSize SourceSizeThe size of source data.
874 @param Destination On output, the destination buffer that contains
875 the uncompressed data.
876 @param DestinationSize The size of the destination buffer. The size of
877 the destination buffer needed is obtained from
878 EFI_DECOMPRESS_PROTOCOL.GetInfo().
879 @param Scratch A temporary scratch buffer that is used to perform
881 @param ScratchSize The size of scratch buffer. The size of the
882 scratch buffer needed is obtained from GetInfo().
884 @retval EFI_SUCCESS Decompression completed successfully, and the
885 uncompressed buffer is returned in Destination.
886 @retval EFI_INVALID_PARAMETER The source buffer specified by Source and
887 SourceSize is corrupted (not in a valid
893 DxeMainUefiDecompress (
894 IN EFI_DECOMPRESS_PROTOCOL
*This
,
896 IN UINT32 SourceSize
,
897 IN OUT VOID
*Destination
,
898 IN UINT32 DestinationSize
,
899 IN OUT VOID
*Scratch
,
900 IN UINT32 ScratchSize
904 UINT32 TestDestinationSize
;
905 UINT32 TestScratchSize
;
907 if (Source
== NULL
|| Destination
== NULL
|| Scratch
== NULL
) {
908 return EFI_INVALID_PARAMETER
;
911 Status
= UefiDecompressGetInfo (Source
, SourceSize
, &TestDestinationSize
, &TestScratchSize
);
912 if (EFI_ERROR (Status
)) {
916 if (ScratchSize
< TestScratchSize
|| DestinationSize
< TestDestinationSize
) {
917 return RETURN_INVALID_PARAMETER
;
920 return UefiDecompress (Source
, Destination
, Scratch
);