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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 /**
565 Place holder function until all the Boot Services and Runtime Services are
566 available.
567
568 @param Arg1 Undefined
569
570 @return EFI_NOT_AVAILABLE_YET
571
572 **/
573 EFI_STATUS
574 EFIAPI
575 CoreEfiNotAvailableYetArg1 (
576 UINTN Arg1
577 )
578 {
579 //
580 // This function should never be executed. If it does, then the architectural protocols
581 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
582 // DXE Core and all the Architectural Protocols are complete.
583 //
584
585 return EFI_NOT_AVAILABLE_YET;
586 }
587
588
589 /**
590 Place holder function until all the Boot Services and Runtime Services are available.
591
592 @param Arg1 Undefined
593 @param Arg2 Undefined
594
595 @return EFI_NOT_AVAILABLE_YET
596
597 **/
598 EFI_STATUS
599 EFIAPI
600 CoreEfiNotAvailableYetArg2 (
601 UINTN Arg1,
602 UINTN Arg2
603 )
604 {
605 //
606 // This function should never be executed. If it does, then the architectural protocols
607 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
608 // DXE Core and all the Architectural Protocols are complete.
609 //
610
611 return EFI_NOT_AVAILABLE_YET;
612 }
613
614
615 /**
616 Place holder function until all the Boot Services and Runtime Services are available.
617
618 @param Arg1 Undefined
619 @param Arg2 Undefined
620 @param Arg3 Undefined
621
622 @return EFI_NOT_AVAILABLE_YET
623
624 **/
625 EFI_STATUS
626 EFIAPI
627 CoreEfiNotAvailableYetArg3 (
628 UINTN Arg1,
629 UINTN Arg2,
630 UINTN Arg3
631 )
632 {
633 //
634 // This function should never be executed. If it does, then the architectural protocols
635 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
636 // DXE Core and all the Architectural Protocols are complete.
637 //
638
639 return EFI_NOT_AVAILABLE_YET;
640 }
641
642
643 /**
644 Place holder function until all the Boot Services and Runtime Services are available.
645
646 @param Arg1 Undefined
647 @param Arg2 Undefined
648 @param Arg3 Undefined
649 @param Arg4 Undefined
650
651 @return EFI_NOT_AVAILABLE_YET
652
653 **/
654 EFI_STATUS
655 EFIAPI
656 CoreEfiNotAvailableYetArg4 (
657 UINTN Arg1,
658 UINTN Arg2,
659 UINTN Arg3,
660 UINTN Arg4
661 )
662 {
663 //
664 // This function should never be executed. If it does, then the architectural protocols
665 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
666 // DXE Core and all the Architectural Protocols are complete.
667 //
668
669 return EFI_NOT_AVAILABLE_YET;
670 }
671
672
673 /**
674 Place holder function until all the Boot Services and Runtime Services are available.
675
676 @param Arg1 Undefined
677 @param Arg2 Undefined
678 @param Arg3 Undefined
679 @param Arg4 Undefined
680 @param Arg5 Undefined
681
682 @return EFI_NOT_AVAILABLE_YET
683
684 **/
685 EFI_STATUS
686 EFIAPI
687 CoreEfiNotAvailableYetArg5 (
688 UINTN Arg1,
689 UINTN Arg2,
690 UINTN Arg3,
691 UINTN Arg4,
692 UINTN Arg5
693 )
694 {
695 //
696 // This function should never be executed. If it does, then the architectural protocols
697 // have not been designed correctly. The CpuBreakpoint () is commented out for now until the
698 // DXE Core and all the Architectural Protocols are complete.
699 //
700
701 return EFI_NOT_AVAILABLE_YET;
702 }
703
704
705 /**
706 Calcualte the 32-bit CRC in a EFI table using the service provided by the
707 gRuntime service.
708
709 @param Hdr Pointer to an EFI standard header
710
711 **/
712 VOID
713 CalculateEfiHdrCrc (
714 IN OUT EFI_TABLE_HEADER *Hdr
715 )
716 {
717 UINT32 Crc;
718
719 Hdr->CRC32 = 0;
720
721 //
722 // If gBS->CalculateCrce32 () == CoreEfiNotAvailableYet () then
723 // Crc will come back as zero if we set it to zero here
724 //
725 Crc = 0;
726 gBS->CalculateCrc32 ((UINT8 *)Hdr, Hdr->HeaderSize, &Crc);
727 Hdr->CRC32 = Crc;
728 }
729
730
731 /**
732 Terminates all boot services.
733
734 @param ImageHandle Handle that identifies the exiting image.
735 @param MapKey Key to the latest memory map.
736
737 @retval EFI_SUCCESS Boot Services terminated
738 @retval EFI_INVALID_PARAMETER MapKey is incorrect.
739
740 **/
741 EFI_STATUS
742 EFIAPI
743 CoreExitBootServices (
744 IN EFI_HANDLE ImageHandle,
745 IN UINTN MapKey
746 )
747 {
748 EFI_STATUS Status;
749
750 //
751 // Disable Timer
752 //
753 gTimer->SetTimerPeriod (gTimer, 0);
754
755 //
756 // Terminate memory services if the MapKey matches
757 //
758 Status = CoreTerminateMemoryMap (MapKey);
759 if (EFI_ERROR (Status)) {
760 //
761 // Notify other drivers that ExitBootServices fail
762 //
763 CoreNotifySignalList (&gEventExitBootServicesFailedGuid);
764 return Status;
765 }
766
767 gMemoryMapTerminated = TRUE;
768
769 //
770 // Notify other drivers that we are exiting boot services.
771 //
772 CoreNotifySignalList (&gEfiEventExitBootServicesGuid);
773
774 //
775 // Report that ExitBootServices() has been called
776 //
777 REPORT_STATUS_CODE (
778 EFI_PROGRESS_CODE,
779 (EFI_SOFTWARE_EFI_BOOT_SERVICE | EFI_SW_BS_PC_EXIT_BOOT_SERVICES)
780 );
781
782 MemoryProtectionExitBootServicesCallback();
783
784 //
785 // Disable interrupt of Debug timer.
786 //
787 SaveAndSetDebugTimerInterrupt (FALSE);
788
789 //
790 // Disable CPU Interrupts
791 //
792 gCpu->DisableInterrupt (gCpu);
793
794 //
795 // Clear the non-runtime values of the EFI System Table
796 //
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;
804
805 //
806 // Recompute the 32-bit CRC of the EFI System Table
807 //
808 CalculateEfiHdrCrc (&gDxeCoreST->Hdr);
809
810 //
811 // Zero out the Boot Service Table
812 //
813 ZeroMem (gBS, sizeof (EFI_BOOT_SERVICES));
814 gBS = NULL;
815
816 //
817 // Update the AtRuntime field in Runtiem AP.
818 //
819 gRuntime->AtRuntime = TRUE;
820
821 return Status;
822 }
823
824
825 /**
826 Given a compressed source buffer, this function retrieves the size of the
827 uncompressed buffer and the size of the scratch buffer required to decompress
828 the compressed source buffer.
829
830 The GetInfo() function retrieves the size of the uncompressed buffer and the
831 temporary scratch buffer required to decompress the buffer specified by Source
832 and SourceSize. If the size of the uncompressed buffer or the size of the
833 scratch buffer cannot be determined from the compressed data specified by
834 Source and SourceData, then EFI_INVALID_PARAMETER is returned. Otherwise, the
835 size of the uncompressed buffer is returned in DestinationSize, the size of
836 the scratch buffer is returned in ScratchSize, and EFI_SUCCESS is returned.
837 The GetInfo() function does not have scratch buffer available to perform a
838 thorough checking of the validity of the source data. It just retrieves the
839 "Original Size" field from the beginning bytes of the source data and output
840 it as DestinationSize. And ScratchSize is specific to the decompression
841 implementation.
842
843 @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance.
844 @param Source The source buffer containing the compressed data.
845 @param SourceSize The size, in bytes, of the source buffer.
846 @param DestinationSize A pointer to the size, in bytes, of the
847 uncompressed buffer that will be generated when the
848 compressed buffer specified by Source and
849 SourceSize is decompressed.
850 @param ScratchSize A pointer to the size, in bytes, of the scratch
851 buffer that is required to decompress the
852 compressed buffer specified by Source and
853 SourceSize.
854
855 @retval EFI_SUCCESS The size of the uncompressed data was returned in
856 DestinationSize and the size of the scratch buffer
857 was returned in ScratchSize.
858 @retval EFI_INVALID_PARAMETER The size of the uncompressed data or the size of
859 the scratch buffer cannot be determined from the
860 compressed data specified by Source and
861 SourceSize.
862
863 **/
864 EFI_STATUS
865 EFIAPI
866 DxeMainUefiDecompressGetInfo (
867 IN EFI_DECOMPRESS_PROTOCOL *This,
868 IN VOID *Source,
869 IN UINT32 SourceSize,
870 OUT UINT32 *DestinationSize,
871 OUT UINT32 *ScratchSize
872 )
873 {
874 if (Source == NULL || DestinationSize == NULL || ScratchSize == NULL) {
875 return EFI_INVALID_PARAMETER;
876 }
877 return UefiDecompressGetInfo (Source, SourceSize, DestinationSize, ScratchSize);
878 }
879
880
881 /**
882 Decompresses a compressed source buffer.
883
884 The Decompress() function extracts decompressed data to its original form.
885 This protocol is designed so that the decompression algorithm can be
886 implemented without using any memory services. As a result, the Decompress()
887 Function is not allowed to call AllocatePool() or AllocatePages() in its
888 implementation. It is the caller's responsibility to allocate and free the
889 Destination and Scratch buffers.
890 If the compressed source data specified by Source and SourceSize is
891 successfully decompressed into Destination, then EFI_SUCCESS is returned. If
892 the compressed source data specified by Source and SourceSize is not in a
893 valid compressed data format, then EFI_INVALID_PARAMETER is returned.
894
895 @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance.
896 @param Source The source buffer containing the compressed data.
897 @param SourceSize SourceSizeThe size of source data.
898 @param Destination On output, the destination buffer that contains
899 the uncompressed data.
900 @param DestinationSize The size of the destination buffer. The size of
901 the destination buffer needed is obtained from
902 EFI_DECOMPRESS_PROTOCOL.GetInfo().
903 @param Scratch A temporary scratch buffer that is used to perform
904 the decompression.
905 @param ScratchSize The size of scratch buffer. The size of the
906 scratch buffer needed is obtained from GetInfo().
907
908 @retval EFI_SUCCESS Decompression completed successfully, and the
909 uncompressed buffer is returned in Destination.
910 @retval EFI_INVALID_PARAMETER The source buffer specified by Source and
911 SourceSize is corrupted (not in a valid
912 compressed format).
913
914 **/
915 EFI_STATUS
916 EFIAPI
917 DxeMainUefiDecompress (
918 IN EFI_DECOMPRESS_PROTOCOL *This,
919 IN VOID *Source,
920 IN UINT32 SourceSize,
921 IN OUT VOID *Destination,
922 IN UINT32 DestinationSize,
923 IN OUT VOID *Scratch,
924 IN UINT32 ScratchSize
925 )
926 {
927 EFI_STATUS Status;
928 UINT32 TestDestinationSize;
929 UINT32 TestScratchSize;
930
931 if (Source == NULL || Destination== NULL || Scratch == NULL) {
932 return EFI_INVALID_PARAMETER;
933 }
934
935 Status = UefiDecompressGetInfo (Source, SourceSize, &TestDestinationSize, &TestScratchSize);
936 if (EFI_ERROR (Status)) {
937 return Status;
938 }
939
940 if (ScratchSize < TestScratchSize || DestinationSize < TestDestinationSize) {
941 return RETURN_INVALID_PARAMETER;
942 }
943
944 return UefiDecompress (Source, Destination, Scratch);
945 }
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