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1 /** @file
2 DXE Core Main Entry Point
3
4 Copyright (c) 2006 - 2018, 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
9
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.
12
13 **/
14
15 #include "DxeMain.h"
16
17 //
18 // DXE Core Global Variables for Protocols from PEI
19 //
20 EFI_HANDLE mDecompressHandle = NULL;
21
22 //
23 // DXE Core globals for Architecture Protocols
24 //
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;
32
33 //
34 // DXE Core globals for optional protocol dependencies
35 //
36 EFI_SMM_BASE2_PROTOCOL *gSmmBase2 = NULL;
37
38 //
39 // DXE Core Global used to update core loaded image protocol handle
40 //
41 EFI_GUID *gDxeCoreFileName;
42 EFI_LOADED_IMAGE_PROTOCOL *gDxeCoreLoadedImage;
43
44 //
45 // DXE Core Module Variables
46 //
47 EFI_BOOT_SERVICES mBootServices = {
48 {
49 EFI_BOOT_SERVICES_SIGNATURE, // Signature
50 EFI_BOOT_SERVICES_REVISION, // Revision
51 sizeof (EFI_BOOT_SERVICES), // HeaderSize
52 0, // CRC32
53 0 // Reserved
54 },
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
99 };
100
101 EFI_DXE_SERVICES mDxeServices = {
102 {
103 DXE_SERVICES_SIGNATURE, // Signature
104 DXE_SERVICES_REVISION, // Revision
105 sizeof (DXE_SERVICES), // HeaderSize
106 0, // CRC32
107 0 // Reserved
108 },
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
127 };
128
129 EFI_SYSTEM_TABLE mEfiSystemTableTemplate = {
130 {
131 EFI_SYSTEM_TABLE_SIGNATURE, // Signature
132 EFI_SYSTEM_TABLE_REVISION, // Revision
133 sizeof (EFI_SYSTEM_TABLE), // HeaderSize
134 0, // CRC32
135 0 // Reserved
136 },
137 NULL, // FirmwareVendor
138 0, // FirmwareRevision
139 NULL, // ConsoleInHandle
140 NULL, // ConIn
141 NULL, // ConsoleOutHandle
142 NULL, // ConOut
143 NULL, // StandardErrorHandle
144 NULL, // StdErr
145 NULL, // RuntimeServices
146 &mBootServices, // BootServices
147 0, // NumberOfConfigurationTableEntries
148 NULL // ConfigurationTable
149 };
150
151 EFI_RUNTIME_SERVICES mEfiRuntimeServicesTableTemplate = {
152 {
153 EFI_RUNTIME_SERVICES_SIGNATURE, // Signature
154 EFI_RUNTIME_SERVICES_REVISION, // Revision
155 sizeof (EFI_RUNTIME_SERVICES), // HeaderSize
156 0, // CRC32
157 0 // Reserved
158 },
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
173 };
174
175 EFI_RUNTIME_ARCH_PROTOCOL gRuntimeTemplate = {
176 INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate.ImageHead),
177 INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate.EventHead),
178
179 //
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.
183 //
184 sizeof (EFI_MEMORY_DESCRIPTOR) + sizeof (UINT64) - (sizeof (EFI_MEMORY_DESCRIPTOR) % sizeof (UINT64)),
185 EFI_MEMORY_DESCRIPTOR_VERSION,
186 0,
187 NULL,
188 NULL,
189 FALSE,
190 FALSE
191 };
192
193 EFI_RUNTIME_ARCH_PROTOCOL *gRuntime = &gRuntimeTemplate;
194
195 //
196 // DXE Core Global Variables for the EFI System Table, Boot Services Table,
197 // DXE Services Table, and Runtime Services Table
198 //
199 EFI_DXE_SERVICES *gDxeCoreDS = &mDxeServices;
200 EFI_SYSTEM_TABLE *gDxeCoreST = NULL;
201
202 //
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.
206 //
207 EFI_RUNTIME_SERVICES *gDxeCoreRT = &mEfiRuntimeServicesTableTemplate;
208 EFI_HANDLE gDxeCoreImageHandle = NULL;
209
210 BOOLEAN gMemoryMapTerminated = FALSE;
211
212 //
213 // EFI Decompress Protocol
214 //
215 EFI_DECOMPRESS_PROTOCOL gEfiDecompress = {
216 DxeMainUefiDecompressGetInfo,
217 DxeMainUefiDecompress
218 };
219
220 //
221 // For Loading modules at fixed address feature, the configuration table is to cache the top address below which to load
222 // Runtime code&boot time code
223 //
224 GLOBAL_REMOVE_IF_UNREFERENCED EFI_LOAD_FIXED_ADDRESS_CONFIGURATION_TABLE gLoadModuleAtFixAddressConfigurationTable = {0, 0};
225
226 // Main entry point to the DXE Core
227 //
228
229 /**
230 Main entry point to DXE Core.
231
232 @param HobStart Pointer to the beginning of the HOB List from PEI.
233
234 @return This function should never return.
235
236 **/
237 VOID
238 EFIAPI
239 DxeMain (
240 IN VOID *HobStart
241 )
242 {
243 EFI_STATUS Status;
244 EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
245 UINT64 MemoryLength;
246 PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
247 UINTN Index;
248 EFI_HOB_GUID_TYPE *GuidHob;
249 EFI_VECTOR_HANDOFF_INFO *VectorInfoList;
250 EFI_VECTOR_HANDOFF_INFO *VectorInfo;
251 VOID *EntryPoint;
252
253 //
254 // Setup the default exception handlers
255 //
256 VectorInfoList = NULL;
257 GuidHob = GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid, HobStart);
258 if (GuidHob != NULL) {
259 VectorInfoList = (EFI_VECTOR_HANDOFF_INFO *) (GET_GUID_HOB_DATA(GuidHob));
260 }
261 Status = InitializeCpuExceptionHandlersEx (VectorInfoList, NULL);
262 ASSERT_EFI_ERROR (Status);
263
264 //
265 // Initialize Debug Agent to support source level debug in DXE phase
266 //
267 InitializeDebugAgent (DEBUG_AGENT_INIT_DXE_CORE, HobStart, NULL);
268
269 //
270 // Initialize Memory Services
271 //
272 CoreInitializeMemoryServices (&HobStart, &MemoryBaseAddress, &MemoryLength);
273
274 MemoryProfileInit (HobStart);
275
276 //
277 // Allocate the EFI System Table and EFI Runtime Service Table from EfiRuntimeServicesData
278 // Use the templates to initialize the contents of the EFI System Table and EFI Runtime Services Table
279 //
280 gDxeCoreST = AllocateRuntimeCopyPool (sizeof (EFI_SYSTEM_TABLE), &mEfiSystemTableTemplate);
281 ASSERT (gDxeCoreST != NULL);
282
283 gDxeCoreRT = AllocateRuntimeCopyPool (sizeof (EFI_RUNTIME_SERVICES), &mEfiRuntimeServicesTableTemplate);
284 ASSERT (gDxeCoreRT != NULL);
285
286 gDxeCoreST->RuntimeServices = gDxeCoreRT;
287
288 //
289 // Start the Image Services.
290 //
291 Status = CoreInitializeImageServices (HobStart);
292 ASSERT_EFI_ERROR (Status);
293
294 //
295 // Initialize the Global Coherency Domain Services
296 //
297 Status = CoreInitializeGcdServices (&HobStart, MemoryBaseAddress, MemoryLength);
298 ASSERT_EFI_ERROR (Status);
299
300 //
301 // Call constructor for all libraries
302 //
303 ProcessLibraryConstructorList (gDxeCoreImageHandle, gDxeCoreST);
304 PERF_CROSSMODULE_END ("PEI");
305 PERF_CROSSMODULE_BEGIN ("DXE");
306
307 //
308 // Report DXE Core image information to the PE/COFF Extra Action Library
309 //
310 ZeroMem (&ImageContext, sizeof (ImageContext));
311 ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)gDxeCoreLoadedImage->ImageBase;
312 ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*)(UINTN)ImageContext.ImageAddress);
313 ImageContext.SizeOfHeaders = PeCoffGetSizeOfHeaders ((VOID*)(UINTN)ImageContext.ImageAddress);
314 Status = PeCoffLoaderGetEntryPoint ((VOID*)(UINTN)ImageContext.ImageAddress, &EntryPoint);
315 if (Status == EFI_SUCCESS) {
316 ImageContext.EntryPoint = (EFI_PHYSICAL_ADDRESS)(UINTN)EntryPoint;
317 }
318 ImageContext.Handle = (VOID *)(UINTN)gDxeCoreLoadedImage->ImageBase;
319 ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;
320 PeCoffLoaderRelocateImageExtraAction (&ImageContext);
321
322 //
323 // Install the DXE Services Table into the EFI System Tables's Configuration Table
324 //
325 Status = CoreInstallConfigurationTable (&gEfiDxeServicesTableGuid, gDxeCoreDS);
326 ASSERT_EFI_ERROR (Status);
327
328 //
329 // Install the HOB List into the EFI System Tables's Configuration Table
330 //
331 Status = CoreInstallConfigurationTable (&gEfiHobListGuid, HobStart);
332 ASSERT_EFI_ERROR (Status);
333
334 //
335 // Install Memory Type Information Table into the EFI System Tables's Configuration Table
336 //
337 Status = CoreInstallConfigurationTable (&gEfiMemoryTypeInformationGuid, &gMemoryTypeInformation);
338 ASSERT_EFI_ERROR (Status);
339
340 //
341 // If Loading modules At fixed address feature is enabled, install Load moduels at fixed address
342 // Configuration Table so that user could easily to retrieve the top address to load Dxe and PEI
343 // Code and Tseg base to load SMM driver.
344 //
345 if (PcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {
346 Status = CoreInstallConfigurationTable (&gLoadFixedAddressConfigurationTableGuid, &gLoadModuleAtFixAddressConfigurationTable);
347 ASSERT_EFI_ERROR (Status);
348 }
349 //
350 // Report Status Code here for DXE_ENTRY_POINT once it is available
351 //
352 REPORT_STATUS_CODE (
353 EFI_PROGRESS_CODE,
354 (EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_PC_ENTRY_POINT)
355 );
356
357 //
358 // Create the aligned system table pointer structure that is used by external
359 // debuggers to locate the system table... Also, install debug image info
360 // configuration table.
361 //
362 CoreInitializeDebugImageInfoTable ();
363 CoreNewDebugImageInfoEntry (
364 EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL,
365 gDxeCoreLoadedImage,
366 gDxeCoreImageHandle
367 );
368
369 DEBUG ((DEBUG_INFO | DEBUG_LOAD, "HOBLIST address in DXE = 0x%p\n", HobStart));
370
371 DEBUG_CODE_BEGIN ();
372 EFI_PEI_HOB_POINTERS Hob;
373
374 for (Hob.Raw = HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {
375 if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) {
376 DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Memory Allocation 0x%08x 0x%0lx - 0x%0lx\n", \
377 Hob.MemoryAllocation->AllocDescriptor.MemoryType, \
378 Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress, \
379 Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress + Hob.MemoryAllocation->AllocDescriptor.MemoryLength - 1));
380 }
381 }
382 for (Hob.Raw = HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {
383 if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) {
384 DEBUG ((
385 DEBUG_INFO | DEBUG_LOAD,
386 "FV Hob 0x%0lx - 0x%0lx\n",
387 Hob.FirmwareVolume->BaseAddress,
388 Hob.FirmwareVolume->BaseAddress + Hob.FirmwareVolume->Length - 1
389 ));
390 } else if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV2) {
391 DEBUG ((
392 DEBUG_INFO | DEBUG_LOAD,
393 "FV2 Hob 0x%0lx - 0x%0lx\n",
394 Hob.FirmwareVolume2->BaseAddress,
395 Hob.FirmwareVolume2->BaseAddress + Hob.FirmwareVolume2->Length - 1
396 ));
397 DEBUG ((
398 DEBUG_INFO | DEBUG_LOAD,
399 " %g - %g\n",
400 &Hob.FirmwareVolume2->FvName,
401 &Hob.FirmwareVolume2->FileName
402 ));
403 } else if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV3) {
404 DEBUG ((
405 DEBUG_INFO | DEBUG_LOAD,
406 "FV3 Hob 0x%0lx - 0x%0lx - 0x%x - 0x%x\n",
407 Hob.FirmwareVolume3->BaseAddress,
408 Hob.FirmwareVolume3->BaseAddress + Hob.FirmwareVolume3->Length - 1,
409 Hob.FirmwareVolume3->AuthenticationStatus,
410 Hob.FirmwareVolume3->ExtractedFv
411 ));
412 if (Hob.FirmwareVolume3->ExtractedFv) {
413 DEBUG ((
414 DEBUG_INFO | DEBUG_LOAD,
415 " %g - %g\n",
416 &Hob.FirmwareVolume3->FvName,
417 &Hob.FirmwareVolume3->FileName
418 ));
419 }
420 }
421 }
422 DEBUG_CODE_END ();
423
424 //
425 // Initialize the Event Services
426 //
427 Status = CoreInitializeEventServices ();
428 ASSERT_EFI_ERROR (Status);
429
430 MemoryProfileInstallProtocol ();
431
432 CoreInitializePropertiesTable ();
433 CoreInitializeMemoryAttributesTable ();
434 CoreInitializeMemoryProtection ();
435
436 //
437 // Get persisted vector hand-off info from GUIDeed HOB again due to HobStart may be updated,
438 // and install configuration table
439 //
440 GuidHob = GetNextGuidHob (&gEfiVectorHandoffInfoPpiGuid, HobStart);
441 if (GuidHob != NULL) {
442 VectorInfoList = (EFI_VECTOR_HANDOFF_INFO *) (GET_GUID_HOB_DATA(GuidHob));
443 VectorInfo = VectorInfoList;
444 Index = 1;
445 while (VectorInfo->Attribute != EFI_VECTOR_HANDOFF_LAST_ENTRY) {
446 VectorInfo ++;
447 Index ++;
448 }
449 VectorInfo = AllocateCopyPool (sizeof (EFI_VECTOR_HANDOFF_INFO) * Index, (VOID *) VectorInfoList);
450 ASSERT (VectorInfo != NULL);
451 Status = CoreInstallConfigurationTable (&gEfiVectorHandoffTableGuid, (VOID *) VectorInfo);
452 ASSERT_EFI_ERROR (Status);
453 }
454
455 //
456 // Get the Protocols that were passed in from PEI to DXE through GUIDed HOBs
457 //
458 // These Protocols are not architectural. This implementation is sharing code between
459 // PEI and DXE in order to save FLASH space. These Protocols could also be implemented
460 // as part of the DXE Core. However, that would also require the DXE Core to be ported
461 // each time a different CPU is used, a different Decompression algorithm is used, or a
462 // different Image type is used. By placing these Protocols in PEI, the DXE Core remains
463 // generic, and only PEI and the Arch Protocols need to be ported from Platform to Platform,
464 // and from CPU to CPU.
465 //
466
467 //
468 // Publish the EFI, Tiano, and Custom Decompress protocols for use by other DXE components
469 //
470 Status = CoreInstallMultipleProtocolInterfaces (
471 &mDecompressHandle,
472 &gEfiDecompressProtocolGuid, &gEfiDecompress,
473 NULL
474 );
475 ASSERT_EFI_ERROR (Status);
476
477 //
478 // Register for the GUIDs of the Architectural Protocols, so the rest of the
479 // EFI Boot Services and EFI Runtime Services tables can be filled in.
480 // Also register for the GUIDs of optional protocols.
481 //
482 CoreNotifyOnProtocolInstallation ();
483
484 //
485 // Produce Firmware Volume Protocols, one for each FV in the HOB list.
486 //
487 Status = FwVolBlockDriverInit (gDxeCoreImageHandle, gDxeCoreST);
488 ASSERT_EFI_ERROR (Status);
489
490 Status = FwVolDriverInit (gDxeCoreImageHandle, gDxeCoreST);
491 ASSERT_EFI_ERROR (Status);
492
493 //
494 // Produce the Section Extraction Protocol
495 //
496 Status = InitializeSectionExtraction (gDxeCoreImageHandle, gDxeCoreST);
497 ASSERT_EFI_ERROR (Status);
498
499 //
500 // Initialize the DXE Dispatcher
501 //
502 CoreInitializeDispatcher ();
503
504 //
505 // Invoke the DXE Dispatcher
506 //
507 CoreDispatcher ();
508
509 //
510 // Display Architectural protocols that were not loaded if this is DEBUG build
511 //
512 DEBUG_CODE_BEGIN ();
513 CoreDisplayMissingArchProtocols ();
514 DEBUG_CODE_END ();
515
516 //
517 // Display any drivers that were not dispatched because dependency expression
518 // evaluated to false if this is a debug build
519 //
520 DEBUG_CODE_BEGIN ();
521 CoreDisplayDiscoveredNotDispatched ();
522 DEBUG_CODE_END ();
523
524 //
525 // Assert if the Architectural Protocols are not present.
526 //
527 Status = CoreAllEfiServicesAvailable ();
528 if (EFI_ERROR(Status)) {
529 //
530 // Report Status code that some Architectural Protocols are not present.
531 //
532 REPORT_STATUS_CODE (
533 EFI_ERROR_CODE | EFI_ERROR_MAJOR,
534 (EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_EC_NO_ARCH)
535 );
536 }
537 ASSERT_EFI_ERROR (Status);
538
539 //
540 // Report Status code before transfer control to BDS
541 //
542 REPORT_STATUS_CODE (
543 EFI_PROGRESS_CODE,
544 (EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_PC_HANDOFF_TO_NEXT)
545 );
546
547 //
548 // Transfer control to the BDS Architectural Protocol
549 //
550 gBds->Entry (gBds);
551
552 //
553 // BDS should never return
554 //
555 ASSERT (FALSE);
556 CpuDeadLoop ();
557
558 UNREACHABLE ();
559 }
560
561
562
563 /**
564 Place holder function until all the Boot Services and Runtime Services are
565 available.
566
567 @return EFI_NOT_AVAILABLE_YET
568
569 **/
570 EFI_STATUS
571 EFIAPI
572 CoreEfiNotAvailableYetArg0 (
573 VOID
574 )
575 {
576 //
577 // This function should never be executed. If it does, then the architectural protocols
578 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
579 // DXE Core and all the Architectural Protocols are complete.
580 //
581
582 return EFI_NOT_AVAILABLE_YET;
583 }
584
585
586 /**
587 Place holder function until all the Boot Services and Runtime Services are
588 available.
589
590 @param Arg1 Undefined
591
592 @return EFI_NOT_AVAILABLE_YET
593
594 **/
595 EFI_STATUS
596 EFIAPI
597 CoreEfiNotAvailableYetArg1 (
598 UINTN Arg1
599 )
600 {
601 //
602 // This function should never be executed. If it does, then the architectural protocols
603 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
604 // DXE Core and all the Architectural Protocols are complete.
605 //
606
607 return EFI_NOT_AVAILABLE_YET;
608 }
609
610
611 /**
612 Place holder function until all the Boot Services and Runtime Services are available.
613
614 @param Arg1 Undefined
615 @param Arg2 Undefined
616
617 @return EFI_NOT_AVAILABLE_YET
618
619 **/
620 EFI_STATUS
621 EFIAPI
622 CoreEfiNotAvailableYetArg2 (
623 UINTN Arg1,
624 UINTN Arg2
625 )
626 {
627 //
628 // This function should never be executed. If it does, then the architectural protocols
629 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
630 // DXE Core and all the Architectural Protocols are complete.
631 //
632
633 return EFI_NOT_AVAILABLE_YET;
634 }
635
636
637 /**
638 Place holder function until all the Boot Services and Runtime Services are available.
639
640 @param Arg1 Undefined
641 @param Arg2 Undefined
642 @param Arg3 Undefined
643
644 @return EFI_NOT_AVAILABLE_YET
645
646 **/
647 EFI_STATUS
648 EFIAPI
649 CoreEfiNotAvailableYetArg3 (
650 UINTN Arg1,
651 UINTN Arg2,
652 UINTN Arg3
653 )
654 {
655 //
656 // This function should never be executed. If it does, then the architectural protocols
657 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
658 // DXE Core and all the Architectural Protocols are complete.
659 //
660
661 return EFI_NOT_AVAILABLE_YET;
662 }
663
664
665 /**
666 Place holder function until all the Boot Services and Runtime Services are available.
667
668 @param Arg1 Undefined
669 @param Arg2 Undefined
670 @param Arg3 Undefined
671 @param Arg4 Undefined
672
673 @return EFI_NOT_AVAILABLE_YET
674
675 **/
676 EFI_STATUS
677 EFIAPI
678 CoreEfiNotAvailableYetArg4 (
679 UINTN Arg1,
680 UINTN Arg2,
681 UINTN Arg3,
682 UINTN Arg4
683 )
684 {
685 //
686 // This function should never be executed. If it does, then the architectural protocols
687 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
688 // DXE Core and all the Architectural Protocols are complete.
689 //
690
691 return EFI_NOT_AVAILABLE_YET;
692 }
693
694
695 /**
696 Place holder function until all the Boot Services and Runtime Services are available.
697
698 @param Arg1 Undefined
699 @param Arg2 Undefined
700 @param Arg3 Undefined
701 @param Arg4 Undefined
702 @param Arg5 Undefined
703
704 @return EFI_NOT_AVAILABLE_YET
705
706 **/
707 EFI_STATUS
708 EFIAPI
709 CoreEfiNotAvailableYetArg5 (
710 UINTN Arg1,
711 UINTN Arg2,
712 UINTN Arg3,
713 UINTN Arg4,
714 UINTN Arg5
715 )
716 {
717 //
718 // This function should never be executed. If it does, then the architectural protocols
719 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
720 // DXE Core and all the Architectural Protocols are complete.
721 //
722
723 return EFI_NOT_AVAILABLE_YET;
724 }
725
726
727 /**
728 Calcualte the 32-bit CRC in a EFI table using the service provided by the
729 gRuntime service.
730
731 @param Hdr Pointer to an EFI standard header
732
733 **/
734 VOID
735 CalculateEfiHdrCrc (
736 IN OUT EFI_TABLE_HEADER *Hdr
737 )
738 {
739 UINT32 Crc;
740
741 Hdr->CRC32 = 0;
742
743 //
744 // If gBS->CalculateCrce32 () == CoreEfiNotAvailableYet () then
745 // Crc will come back as zero if we set it to zero here
746 //
747 Crc = 0;
748 gBS->CalculateCrc32 ((UINT8 *)Hdr, Hdr->HeaderSize, &Crc);
749 Hdr->CRC32 = Crc;
750 }
751
752
753 /**
754 Terminates all boot services.
755
756 @param ImageHandle Handle that identifies the exiting image.
757 @param MapKey Key to the latest memory map.
758
759 @retval EFI_SUCCESS Boot Services terminated
760 @retval EFI_INVALID_PARAMETER MapKey is incorrect.
761
762 **/
763 EFI_STATUS
764 EFIAPI
765 CoreExitBootServices (
766 IN EFI_HANDLE ImageHandle,
767 IN UINTN MapKey
768 )
769 {
770 EFI_STATUS Status;
771
772 //
773 // Disable Timer
774 //
775 gTimer->SetTimerPeriod (gTimer, 0);
776
777 //
778 // Terminate memory services if the MapKey matches
779 //
780 Status = CoreTerminateMemoryMap (MapKey);
781 if (EFI_ERROR (Status)) {
782 //
783 // Notify other drivers that ExitBootServices fail
784 //
785 CoreNotifySignalList (&gEventExitBootServicesFailedGuid);
786 return Status;
787 }
788
789 gMemoryMapTerminated = TRUE;
790
791 //
792 // Notify other drivers that we are exiting boot services.
793 //
794 CoreNotifySignalList (&gEfiEventExitBootServicesGuid);
795
796 //
797 // Report that ExitBootServices() has been called
798 //
799 REPORT_STATUS_CODE (
800 EFI_PROGRESS_CODE,
801 (EFI_SOFTWARE_EFI_BOOT_SERVICE | EFI_SW_BS_PC_EXIT_BOOT_SERVICES)
802 );
803
804 MemoryProtectionExitBootServicesCallback();
805
806 //
807 // Disable interrupt of Debug timer.
808 //
809 SaveAndSetDebugTimerInterrupt (FALSE);
810
811 //
812 // Disable CPU Interrupts
813 //
814 gCpu->DisableInterrupt (gCpu);
815
816 //
817 // Clear the non-runtime values of the EFI System Table
818 //
819 gDxeCoreST->BootServices = NULL;
820 gDxeCoreST->ConIn = NULL;
821 gDxeCoreST->ConsoleInHandle = NULL;
822 gDxeCoreST->ConOut = NULL;
823 gDxeCoreST->ConsoleOutHandle = NULL;
824 gDxeCoreST->StdErr = NULL;
825 gDxeCoreST->StandardErrorHandle = NULL;
826
827 //
828 // Recompute the 32-bit CRC of the EFI System Table
829 //
830 CalculateEfiHdrCrc (&gDxeCoreST->Hdr);
831
832 //
833 // Zero out the Boot Service Table
834 //
835 ZeroMem (gBS, sizeof (EFI_BOOT_SERVICES));
836 gBS = NULL;
837
838 //
839 // Update the AtRuntime field in Runtiem AP.
840 //
841 gRuntime->AtRuntime = TRUE;
842
843 return Status;
844 }
845
846
847 /**
848 Given a compressed source buffer, this function retrieves the size of the
849 uncompressed buffer and the size of the scratch buffer required to decompress
850 the compressed source buffer.
851
852 The GetInfo() function retrieves the size of the uncompressed buffer and the
853 temporary scratch buffer required to decompress the buffer specified by Source
854 and SourceSize. If the size of the uncompressed buffer or the size of the
855 scratch buffer cannot be determined from the compressed data specified by
856 Source and SourceData, then EFI_INVALID_PARAMETER is returned. Otherwise, the
857 size of the uncompressed buffer is returned in DestinationSize, the size of
858 the scratch buffer is returned in ScratchSize, and EFI_SUCCESS is returned.
859 The GetInfo() function does not have scratch buffer available to perform a
860 thorough checking of the validity of the source data. It just retrieves the
861 "Original Size" field from the beginning bytes of the source data and output
862 it as DestinationSize. And ScratchSize is specific to the decompression
863 implementation.
864
865 @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance.
866 @param Source The source buffer containing the compressed data.
867 @param SourceSize The size, in bytes, of the source buffer.
868 @param DestinationSize A pointer to the size, in bytes, of the
869 uncompressed buffer that will be generated when the
870 compressed buffer specified by Source and
871 SourceSize is decompressed.
872 @param ScratchSize A pointer to the size, in bytes, of the scratch
873 buffer that is required to decompress the
874 compressed buffer specified by Source and
875 SourceSize.
876
877 @retval EFI_SUCCESS The size of the uncompressed data was returned in
878 DestinationSize and the size of the scratch buffer
879 was returned in ScratchSize.
880 @retval EFI_INVALID_PARAMETER The size of the uncompressed data or the size of
881 the scratch buffer cannot be determined from the
882 compressed data specified by Source and
883 SourceSize.
884
885 **/
886 EFI_STATUS
887 EFIAPI
888 DxeMainUefiDecompressGetInfo (
889 IN EFI_DECOMPRESS_PROTOCOL *This,
890 IN VOID *Source,
891 IN UINT32 SourceSize,
892 OUT UINT32 *DestinationSize,
893 OUT UINT32 *ScratchSize
894 )
895 {
896 if (Source == NULL || DestinationSize == NULL || ScratchSize == NULL) {
897 return EFI_INVALID_PARAMETER;
898 }
899 return UefiDecompressGetInfo (Source, SourceSize, DestinationSize, ScratchSize);
900 }
901
902
903 /**
904 Decompresses a compressed source buffer.
905
906 The Decompress() function extracts decompressed data to its original form.
907 This protocol is designed so that the decompression algorithm can be
908 implemented without using any memory services. As a result, the Decompress()
909 Function is not allowed to call AllocatePool() or AllocatePages() in its
910 implementation. It is the caller's responsibility to allocate and free the
911 Destination and Scratch buffers.
912 If the compressed source data specified by Source and SourceSize is
913 successfully decompressed into Destination, then EFI_SUCCESS is returned. If
914 the compressed source data specified by Source and SourceSize is not in a
915 valid compressed data format, then EFI_INVALID_PARAMETER is returned.
916
917 @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance.
918 @param Source The source buffer containing the compressed data.
919 @param SourceSize SourceSizeThe size of source data.
920 @param Destination On output, the destination buffer that contains
921 the uncompressed data.
922 @param DestinationSize The size of the destination buffer. The size of
923 the destination buffer needed is obtained from
924 EFI_DECOMPRESS_PROTOCOL.GetInfo().
925 @param Scratch A temporary scratch buffer that is used to perform
926 the decompression.
927 @param ScratchSize The size of scratch buffer. The size of the
928 scratch buffer needed is obtained from GetInfo().
929
930 @retval EFI_SUCCESS Decompression completed successfully, and the
931 uncompressed buffer is returned in Destination.
932 @retval EFI_INVALID_PARAMETER The source buffer specified by Source and
933 SourceSize is corrupted (not in a valid
934 compressed format).
935
936 **/
937 EFI_STATUS
938 EFIAPI
939 DxeMainUefiDecompress (
940 IN EFI_DECOMPRESS_PROTOCOL *This,
941 IN VOID *Source,
942 IN UINT32 SourceSize,
943 IN OUT VOID *Destination,
944 IN UINT32 DestinationSize,
945 IN OUT VOID *Scratch,
946 IN UINT32 ScratchSize
947 )
948 {
949 EFI_STATUS Status;
950 UINT32 TestDestinationSize;
951 UINT32 TestScratchSize;
952
953 if (Source == NULL || Destination== NULL || Scratch == NULL) {
954 return EFI_INVALID_PARAMETER;
955 }
956
957 Status = UefiDecompressGetInfo (Source, SourceSize, &TestDestinationSize, &TestScratchSize);
958 if (EFI_ERROR (Status)) {
959 return Status;
960 }
961
962 if (ScratchSize < TestScratchSize || DestinationSize < TestDestinationSize) {
963 return RETURN_INVALID_PARAMETER;
964 }
965
966 return UefiDecompress (Source, Destination, Scratch);
967 }
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