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1 /*++
2
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
8
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.
11
12 Module Name:
13
14 DxeMain.c
15
16 Abstract:
17
18 DXE Core Main Entry Point
19
20 --*/
21
22 #include <DxeMain.h>
23
24 //
25 // DXE Core Global Variables for Protocols from PEI
26 //
27 EFI_HANDLE mDecompressHandle = NULL;
28
29 //
30 // DXE Core globals for Architecture Protocols
31 //
32 EFI_SECURITY_ARCH_PROTOCOL *gSecurity = NULL;
33 EFI_CPU_ARCH_PROTOCOL *gCpu = NULL;
34 EFI_METRONOME_ARCH_PROTOCOL *gMetronome = NULL;
35 EFI_TIMER_ARCH_PROTOCOL *gTimer = NULL;
36 EFI_BDS_ARCH_PROTOCOL *gBds = NULL;
37 EFI_WATCHDOG_TIMER_ARCH_PROTOCOL *gWatchdogTimer = NULL;
38
39
40 //
41 // BugBug: I'n not runtime, but is the PPI?
42 //
43 EFI_STATUS_CODE_PROTOCOL gStatusCodeInstance = {
44 NULL
45 };
46
47 EFI_STATUS_CODE_PROTOCOL *gStatusCode = &gStatusCodeInstance;
48
49
50 //
51 // DXE Core Global used to update core loaded image protocol handle
52 //
53 EFI_GUID *gDxeCoreFileName;
54 EFI_LOADED_IMAGE_PROTOCOL *gDxeCoreLoadedImage;
55
56
57
58 //
59 // DXE Core Module Variables
60 //
61
62 EFI_BOOT_SERVICES mBootServices = {
63 {
64 EFI_BOOT_SERVICES_SIGNATURE, // Signature
65 EFI_BOOT_SERVICES_REVISION, // Revision
66 sizeof (EFI_BOOT_SERVICES), // HeaderSize
67 0, // CRC32
68 0 // Reserved
69 },
70 (EFI_RAISE_TPL) CoreRaiseTpl, // RaiseTPL
71 (EFI_RESTORE_TPL) CoreRestoreTpl, // RestoreTPL
72 (EFI_ALLOCATE_PAGES) CoreAllocatePages, // AllocatePages
73 (EFI_FREE_PAGES) CoreFreePages, // FreePages
74 (EFI_GET_MEMORY_MAP) CoreGetMemoryMap, // GetMemoryMap
75 (EFI_ALLOCATE_POOL) CoreAllocatePool, // AllocatePool
76 (EFI_FREE_POOL) CoreFreePool, // FreePool
77 (EFI_CREATE_EVENT) CoreCreateEvent, // CreateEvent
78 (EFI_SET_TIMER) CoreSetTimer, // SetTimer
79 (EFI_WAIT_FOR_EVENT) CoreWaitForEvent, // WaitForEvent
80 (EFI_SIGNAL_EVENT) CoreSignalEvent, // SignalEvent
81 (EFI_CLOSE_EVENT) CoreCloseEvent, // CloseEvent
82 (EFI_CHECK_EVENT) CoreCheckEvent, // CheckEvent
83 (EFI_INSTALL_PROTOCOL_INTERFACE) CoreInstallProtocolInterface, // InstallProtocolInterface
84 (EFI_REINSTALL_PROTOCOL_INTERFACE) CoreReinstallProtocolInterface, // ReinstallProtocolInterface
85 (EFI_UNINSTALL_PROTOCOL_INTERFACE) CoreUninstallProtocolInterface, // UninstallProtocolInterface
86 (EFI_HANDLE_PROTOCOL) CoreHandleProtocol, // HandleProtocol
87 (VOID *) NULL, // Reserved
88 (EFI_REGISTER_PROTOCOL_NOTIFY) CoreRegisterProtocolNotify, // RegisterProtocolNotify
89 (EFI_LOCATE_HANDLE) CoreLocateHandle, // LocateHandle
90 (EFI_LOCATE_DEVICE_PATH) CoreLocateDevicePath, // LocateDevicePath
91 (EFI_INSTALL_CONFIGURATION_TABLE) CoreInstallConfigurationTable, // InstallConfigurationTable
92 (EFI_IMAGE_LOAD) CoreLoadImage, // LoadImage
93 (EFI_IMAGE_START) CoreStartImage, // StartImage
94 (EFI_EXIT) CoreExit, // Exit
95 (EFI_IMAGE_UNLOAD) CoreUnloadImage, // UnloadImage
96 (EFI_EXIT_BOOT_SERVICES) CoreExitBootServices, // ExitBootServices
97 (EFI_GET_NEXT_MONOTONIC_COUNT) CoreEfiNotAvailableYetArg1, // GetNextMonotonicCount
98 (EFI_STALL) CoreStall, // Stall
99 (EFI_SET_WATCHDOG_TIMER) CoreSetWatchdogTimer, // SetWatchdogTimer
100 (EFI_CONNECT_CONTROLLER) CoreConnectController, // ConnectController
101 (EFI_DISCONNECT_CONTROLLER) CoreDisconnectController, // DisconnectController
102 (EFI_OPEN_PROTOCOL) CoreOpenProtocol, // OpenProtocol
103 (EFI_CLOSE_PROTOCOL) CoreCloseProtocol, // CloseProtocol
104 (EFI_OPEN_PROTOCOL_INFORMATION) CoreOpenProtocolInformation, // OpenProtocolInformation
105 (EFI_PROTOCOLS_PER_HANDLE) CoreProtocolsPerHandle, // ProtocolsPerHandle
106 (EFI_LOCATE_HANDLE_BUFFER) CoreLocateHandleBuffer, // LocateHandleBuffer
107 (EFI_LOCATE_PROTOCOL) CoreLocateProtocol, // LocateProtocol
108 (EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES) CoreInstallMultipleProtocolInterfaces, // InstallMultipleProtocolInterfaces
109 (EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES) CoreUninstallMultipleProtocolInterfaces, // UninstallMultipleProtocolInterfaces
110 (EFI_CALCULATE_CRC32) CoreEfiNotAvailableYetArg3, // CalculateCrc32
111 (EFI_COPY_MEM) CopyMem, // CopyMem
112 (EFI_SET_MEM) SetMem, // SetMem
113 (EFI_CREATE_EVENT_EX) CoreCreateEventEx // CreateEventEx
114 };
115
116 EFI_DXE_SERVICES mDxeServices = {
117 {
118 DXE_SERVICES_SIGNATURE, // Signature
119 DXE_SERVICES_REVISION, // Revision
120 sizeof (DXE_SERVICES), // HeaderSize
121 0, // CRC32
122 0 // Reserved
123 },
124 (EFI_ADD_MEMORY_SPACE) CoreAddMemorySpace, // AddMemorySpace
125 (EFI_ALLOCATE_MEMORY_SPACE) CoreAllocateMemorySpace, // AllocateMemorySpace
126 (EFI_FREE_MEMORY_SPACE) CoreFreeMemorySpace, // FreeMemorySpace
127 (EFI_REMOVE_MEMORY_SPACE) CoreRemoveMemorySpace, // RemoveMemorySpace
128 (EFI_GET_MEMORY_SPACE_DESCRIPTOR) CoreGetMemorySpaceDescriptor, // GetMemorySpaceDescriptor
129 (EFI_SET_MEMORY_SPACE_ATTRIBUTES) CoreSetMemorySpaceAttributes, // SetMemorySpaceAttributes
130 (EFI_GET_MEMORY_SPACE_MAP) CoreGetMemorySpaceMap, // GetMemorySpaceMap
131 (EFI_ADD_IO_SPACE) CoreAddIoSpace, // AddIoSpace
132 (EFI_ALLOCATE_IO_SPACE) CoreAllocateIoSpace, // AllocateIoSpace
133 (EFI_FREE_IO_SPACE) CoreFreeIoSpace, // FreeIoSpace
134 (EFI_REMOVE_IO_SPACE) CoreRemoveIoSpace, // RemoveIoSpace
135 (EFI_GET_IO_SPACE_DESCRIPTOR) CoreGetIoSpaceDescriptor, // GetIoSpaceDescriptor
136 (EFI_GET_IO_SPACE_MAP) CoreGetIoSpaceMap, // GetIoSpaceMap
137 (EFI_DISPATCH) CoreDispatcher, // Dispatch
138 (EFI_SCHEDULE) CoreSchedule, // Schedule
139 (EFI_TRUST) CoreTrust, // Trust
140 (EFI_PROCESS_FIRMWARE_VOLUME) CoreProcessFirmwareVolume, // ProcessFirmwareVolume
141 };
142
143 EFI_SYSTEM_TABLE mEfiSystemTableTemplate = {
144 {
145 EFI_SYSTEM_TABLE_SIGNATURE, // Signature
146 EFI_SYSTEM_TABLE_REVISION, // Revision
147 sizeof (EFI_SYSTEM_TABLE), // HeaderSize
148 0, // CRC32
149 0 // Reserved
150 },
151 NULL, // FirmwareVendor
152 0, // FirmwareRevision
153 NULL, // ConsoleInHandle
154 NULL, // ConIn
155 NULL, // ConsoleOutHandle
156 NULL, // ConOut
157 NULL, // StandardErrorHandle
158 NULL, // StdErr
159 NULL, // RuntimeServices
160 &mBootServices, // BootServices
161 0, // NumberOfConfigurationTableEntries
162 NULL // ConfigurationTable
163 };
164
165 EFI_RUNTIME_SERVICES mEfiRuntimeServicesTableTemplate = {
166 {
167 EFI_RUNTIME_SERVICES_SIGNATURE, // Signature
168 EFI_RUNTIME_SERVICES_REVISION, // Revision
169 sizeof (EFI_RUNTIME_SERVICES), // HeaderSize
170 0, // CRC32
171 0 // Reserved
172 },
173 (EFI_GET_TIME) CoreEfiNotAvailableYetArg2, // GetTime
174 (EFI_SET_TIME) CoreEfiNotAvailableYetArg1, // SetTime
175 (EFI_GET_WAKEUP_TIME) CoreEfiNotAvailableYetArg3, // GetWakeupTime
176 (EFI_SET_WAKEUP_TIME) CoreEfiNotAvailableYetArg2, // SetWakeupTime
177 (EFI_SET_VIRTUAL_ADDRESS_MAP) CoreEfiNotAvailableYetArg4, // SetVirtualAddressMap
178 (EFI_CONVERT_POINTER) CoreEfiNotAvailableYetArg2, // ConvertPointer
179 (EFI_GET_VARIABLE) CoreEfiNotAvailableYetArg5, // GetVariable
180 (EFI_GET_NEXT_VARIABLE_NAME) CoreEfiNotAvailableYetArg3, // GetNextVariableName
181 (EFI_SET_VARIABLE) CoreEfiNotAvailableYetArg5, // SetVariable
182 (EFI_GET_NEXT_HIGH_MONO_COUNT) CoreEfiNotAvailableYetArg1, // GetNextHighMonotonicCount
183 (EFI_RESET_SYSTEM) CoreEfiNotAvailableYetArg4, // ResetSystem
184 (EFI_UPDATE_CAPSULE) CoreEfiNotAvailableYetArg3, // UpdateCapsule
185 (EFI_QUERY_CAPSULE_CAPABILITIES) CoreEfiNotAvailableYetArg4, // QueryCapsuleCapabilities
186 (EFI_QUERY_VARIABLE_INFO) CoreEfiNotAvailableYetArg4 // QueryVariableInfo
187 };
188
189 EFI_RUNTIME_ARCH_PROTOCOL gRuntimeTemplate = {
190 INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate.ImageHead),
191 INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate.EventHead),
192
193 //
194 // Make sure Size != sizeof (EFI_MEMORY_DESCRIPTOR). This will
195 // prevent people from having pointer math bugs in their code.
196 // now you have to use *DescriptorSize to make things work.
197 //
198 sizeof (EFI_MEMORY_DESCRIPTOR) + sizeof (UINT64) - (sizeof (EFI_MEMORY_DESCRIPTOR) % sizeof (UINT64)),
199 EFI_MEMORY_DESCRIPTOR_VERSION,
200 0,
201 NULL,
202 NULL,
203 FALSE,
204 FALSE
205 };
206
207 EFI_RUNTIME_ARCH_PROTOCOL *gRuntime = &gRuntimeTemplate;
208
209 //
210 // DXE Core Global Variables for the EFI System Table, Boot Services Table,
211 // DXE Services Table, and Runtime Services Table
212 //
213 EFI_BOOT_SERVICES *gDxeCoreBS = &mBootServices;
214 EFI_DXE_SERVICES *gDxeCoreDS = &mDxeServices;
215 EFI_SYSTEM_TABLE *gDxeCoreST = NULL;
216
217 //
218 // For debug initialize gDxeCoreRT to template. gDxeCoreRT must be allocated from RT memory
219 // but gDxeCoreRT is used for ASSERT () and DEBUG () type macros so lets give it
220 // a value that will not cause debug infrastructure to crash early on.
221 //
222 EFI_RUNTIME_SERVICES *gDxeCoreRT = &mEfiRuntimeServicesTableTemplate;
223 EFI_HANDLE gDxeCoreImageHandle = NULL;
224
225 VOID *mHobStart;
226
227 //
228 // EFI Decompress Protocol
229 //
230 EFI_DECOMPRESS_PROTOCOL gEfiDecompress = {
231 DxeMainUefiDecompressGetInfo,
232 DxeMainUefiDecompress
233 };
234
235 //
236 // Main entry point to the DXE Core
237 //
238 VOID
239 EFIAPI
240 DxeMain (
241 IN VOID *HobStart
242 )
243 /*++
244
245 Routine Description:
246
247 Main entry point to DXE Core.
248
249 Arguments:
250
251 HobStart - Pointer to the beginning of the HOB List from PEI
252
253 Returns:
254
255 This function should never return
256
257 --*/
258 {
259 EFI_STATUS Status;
260 EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
261 UINT64 MemoryLength;
262
263 mHobStart = HobStart;
264
265 //
266 // Initialize Memory Services
267 //
268 CoreInitializeMemoryServices (&HobStart, &MemoryBaseAddress, &MemoryLength);
269
270 //
271 // Allocate the EFI System Table and EFI Runtime Service Table from EfiRuntimeServicesData
272 // Use the templates to initialize the contents of the EFI System Table and EFI Runtime Services Table
273 //
274 gDxeCoreST = CoreAllocateRuntimeCopyPool (sizeof (EFI_SYSTEM_TABLE), &mEfiSystemTableTemplate);
275 ASSERT (gDxeCoreST != NULL);
276
277 gDxeCoreRT = CoreAllocateRuntimeCopyPool (sizeof (EFI_RUNTIME_SERVICES), &mEfiRuntimeServicesTableTemplate);
278 ASSERT (gDxeCoreRT != NULL);
279
280 gDxeCoreST->RuntimeServices = gDxeCoreRT;
281
282 //
283 // Start the Image Services.
284 //
285 Status = CoreInitializeImageServices (HobStart);
286 ASSERT_EFI_ERROR (Status);
287
288 //
289 // Call constructor for all libraries
290 //
291 ProcessLibraryConstructorList (gDxeCoreImageHandle, gDxeCoreST);
292 PERF_END (0,PEI_TOK, NULL, 0) ;
293 PERF_START (0,DXE_TOK, NULL, 0) ;
294
295 //
296 // Initialize the Global Coherency Domain Services
297 //
298 Status = CoreInitializeGcdServices (&HobStart, MemoryBaseAddress, MemoryLength);
299 ASSERT_EFI_ERROR (Status);
300
301 //
302 // The HobStart is relocated in gcd service init. Sync mHobStart varible.
303 //
304 mHobStart = HobStart;
305
306 // Install the DXE Services Table into the EFI System Tables's Configuration Table
307 //
308 Status = CoreInstallConfigurationTable (&gEfiDxeServicesTableGuid, gDxeCoreDS);
309 ASSERT_EFI_ERROR (Status);
310
311 //
312 // Install the HOB List into the EFI System Tables's Configuration Table
313 //
314 Status = CoreInstallConfigurationTable (&gEfiHobListGuid, HobStart);
315 ASSERT_EFI_ERROR (Status);
316
317 //
318 // Install Memory Type Information Table into the EFI System Tables's Configuration Table
319 //
320 Status = CoreInstallConfigurationTable (&gEfiMemoryTypeInformationGuid, &gMemoryTypeInformation);
321 ASSERT_EFI_ERROR (Status);
322
323 //
324 // Initialize the ReportStatusCode with PEI version, if available
325 //
326 CoreGetPeiProtocol (&gEfiStatusCodeRuntimeProtocolGuid, (VOID **)&gStatusCode->ReportStatusCode);
327
328 //
329 // Report Status Code here for DXE_ENTRY_POINT once it is available
330 //
331 CoreReportProgressCode ((EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_PC_ENTRY_POINT));
332
333 //
334 // Create the aligned system table pointer structure that is used by external
335 // debuggers to locate the system table... Also, install debug image info
336 // configuration table.
337 //
338 CoreInitializeDebugImageInfoTable ();
339 CoreNewDebugImageInfoEntry (
340 EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL,
341 gDxeCoreLoadedImage,
342 gDxeCoreImageHandle
343 );
344
345 DEBUG ((EFI_D_INFO | EFI_D_LOAD, "HOBLIST address in DXE = 0x%08x\n", HobStart));
346
347 //
348 // Initialize the Event Services
349 //
350 Status = CoreInitializeEventServices ();
351 ASSERT_EFI_ERROR (Status);
352
353
354 //
355 // Get the Protocols that were passed in from PEI to DXE through GUIDed HOBs
356 //
357 // These Protocols are not architectural. This implementation is sharing code between
358 // PEI and DXE in order to save FLASH space. These Protocols could also be implemented
359 // as part of the DXE Core. However, that would also require the DXE Core to be ported
360 // each time a different CPU is used, a different Decompression algorithm is used, or a
361 // different Image type is used. By placing these Protocols in PEI, the DXE Core remains
362 // generic, and only PEI and the Arch Protocols need to be ported from Platform to Platform,
363 // and from CPU to CPU.
364 //
365
366 //
367 // Publish the EFI, Tiano, and Custom Decompress protocols for use by other DXE components
368 //
369 Status = CoreInstallMultipleProtocolInterfaces (
370 &mDecompressHandle,
371 &gEfiDecompressProtocolGuid, &gEfiDecompress,
372 NULL
373 );
374 ASSERT_EFI_ERROR (Status);
375
376 //
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.
379 //
380 CoreNotifyOnArchProtocolInstallation ();
381
382 //
383 // Produce Firmware Volume Protocols, one for each FV in the HOB list.
384 //
385 Status = FwVolBlockDriverInit (gDxeCoreImageHandle, gDxeCoreST);
386 ASSERT_EFI_ERROR (Status);
387
388 Status = FwVolDriverInit (gDxeCoreImageHandle, gDxeCoreST);
389 ASSERT_EFI_ERROR (Status);
390
391 //
392 // Produce the Section Extraction Protocol
393 //
394 Status = InitializeSectionExtraction (gDxeCoreImageHandle, gDxeCoreST);
395 ASSERT_EFI_ERROR (Status);
396
397 //
398 // Initialize the DXE Dispatcher
399 //
400 PERF_START (0,"CoreInitializeDispatcher", "DxeMain", 0) ;
401 CoreInitializeDispatcher ();
402 PERF_END (0,"CoreInitializeDispatcher", "DxeMain", 0) ;
403
404 //
405 // Invoke the DXE Dispatcher
406 //
407 PERF_START (0, "CoreDispatcher", "DxeMain", 0);
408 CoreDispatcher ();
409 PERF_END (0, "CoreDispatcher", "DxeMain", 0);
410
411 //
412 // Display Architectural protocols that were not loaded if this is DEBUG build
413 //
414 DEBUG_CODE_BEGIN ();
415 CoreDisplayMissingArchProtocols ();
416 DEBUG_CODE_END ();
417
418 //
419 // Assert if the Architectural Protocols are not present.
420 //
421 ASSERT_EFI_ERROR (CoreAllEfiServicesAvailable ());
422
423 //
424 // Report Status code before transfer control to BDS
425 //
426 CoreReportProgressCode ((EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_PC_HANDOFF_TO_NEXT));
427 //
428 // Display any drivers that were not dispatched because dependency expression
429 // evaluated to false if this is a debug build
430 //
431 DEBUG_CODE_BEGIN ();
432 CoreDisplayDiscoveredNotDispatched ();
433 DEBUG_CODE_END ();
434
435 //
436 // Transfer control to the BDS Architectural Protocol
437 //
438 gBds->Entry (gBds);
439
440 //
441 // BDS should never return
442 //
443 ASSERT (FALSE);
444 CpuDeadLoop ();
445 }
446
447
448 EFI_STATUS
449 EFIAPI
450 CoreEfiNotAvailableYetArg0 (
451 VOID
452 )
453 /*++
454
455 Routine Description:
456
457 Place holder function until all the Boot Services and Runtime Services are available
458
459 Arguments:
460
461 None
462
463 Returns:
464
465 EFI_NOT_AVAILABLE_YET
466
467 --*/
468 {
469 //
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.
473 //
474
475 return EFI_NOT_AVAILABLE_YET;
476 }
477
478 EFI_STATUS
479 EFIAPI
480 CoreEfiNotAvailableYetArg1 (
481 UINTN Arg1
482 )
483 /*++
484
485 Routine Description:
486
487 Place holder function until all the Boot Services and Runtime Services are available
488
489 Arguments:
490
491 Arg1 - Undefined
492
493 Returns:
494
495 EFI_NOT_AVAILABLE_YET
496
497 --*/
498 {
499 //
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.
503 //
504
505 return EFI_NOT_AVAILABLE_YET;
506 }
507
508 EFI_STATUS
509 EFIAPI
510 CoreEfiNotAvailableYetArg2 (
511 UINTN Arg1,
512 UINTN Arg2
513 )
514 /*++
515
516 Routine Description:
517
518 Place holder function until all the Boot Services and Runtime Services are available
519
520 Arguments:
521
522 Arg1 - Undefined
523
524 Arg2 - Undefined
525
526 Returns:
527
528 EFI_NOT_AVAILABLE_YET
529
530 --*/
531 {
532 //
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.
536 //
537
538 return EFI_NOT_AVAILABLE_YET;
539 }
540
541 EFI_STATUS
542 EFIAPI
543 CoreEfiNotAvailableYetArg3 (
544 UINTN Arg1,
545 UINTN Arg2,
546 UINTN Arg3
547 )
548 /*++
549
550 Routine Description:
551
552 Place holder function until all the Boot Services and Runtime Services are available
553
554 Arguments:
555
556 Arg1 - Undefined
557
558 Arg2 - Undefined
559
560 Arg3 - Undefined
561
562 Returns:
563
564 EFI_NOT_AVAILABLE_YET
565
566 --*/
567 {
568 //
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.
572 //
573
574 return EFI_NOT_AVAILABLE_YET;
575 }
576
577 EFI_STATUS
578 EFIAPI
579 CoreEfiNotAvailableYetArg4 (
580 UINTN Arg1,
581 UINTN Arg2,
582 UINTN Arg3,
583 UINTN Arg4
584 )
585 /*++
586
587 Routine Description:
588
589 Place holder function until all the Boot Services and Runtime Services are available
590
591 Arguments:
592
593 Arg1 - Undefined
594
595 Arg2 - Undefined
596
597 Arg3 - Undefined
598
599 Arg4 - Undefined
600
601 Returns:
602
603 EFI_NOT_AVAILABLE_YET
604
605 --*/
606 {
607 //
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.
611 //
612
613 return EFI_NOT_AVAILABLE_YET;
614 }
615
616 EFI_STATUS
617 EFIAPI
618 CoreEfiNotAvailableYetArg5 (
619 UINTN Arg1,
620 UINTN Arg2,
621 UINTN Arg3,
622 UINTN Arg4,
623 UINTN Arg5
624 )
625 /*++
626
627 Routine Description:
628
629 Place holder function until all the Boot Services and Runtime Services are available
630
631 Arguments:
632
633 Arg1 - Undefined
634
635 Arg2 - Undefined
636
637 Arg3 - Undefined
638
639 Arg4 - Undefined
640
641 Arg5 - Undefined
642
643 Returns:
644
645 EFI_NOT_AVAILABLE_YET
646
647 --*/
648 {
649 //
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.
653 //
654
655 return EFI_NOT_AVAILABLE_YET;
656 }
657
658
659 EFI_STATUS
660 CoreGetPeiProtocol (
661 IN EFI_GUID *ProtocolGuid,
662 IN VOID **Interface
663 )
664 /*++
665
666 Routine Description:
667
668 Searches for a Protocol Interface passed from PEI through a HOB
669
670 Arguments:
671
672 ProtocolGuid - The Protocol GUID to search for in the HOB List
673
674 Interface - A pointer to the interface for the Protocol GUID
675
676 Returns:
677
678 EFI_SUCCESS - The Protocol GUID was found and its interface is returned in Interface
679
680 EFI_NOT_FOUND - The Protocol GUID was not found in the HOB List
681
682 --*/
683 {
684 EFI_HOB_GUID_TYPE *GuidHob;
685 VOID *Buffer;
686
687 GuidHob = GetNextGuidHob (ProtocolGuid, mHobStart);
688 if (GuidHob == NULL) {
689 return EFI_NOT_FOUND;
690 }
691
692 Buffer = GET_GUID_HOB_DATA (GuidHob);
693 ASSERT (Buffer != NULL);
694
695 *Interface = (VOID *)(*(UINTN *)(Buffer));
696
697 return EFI_SUCCESS;
698 }
699
700
701 VOID
702 CalculateEfiHdrCrc (
703 IN OUT EFI_TABLE_HEADER *Hdr
704 )
705 /*++
706
707 Routine Description:
708
709 Calcualte the 32-bit CRC in a EFI table using the service provided by the
710 gRuntime service.
711
712 Arguments:
713
714 Hdr - Pointer to an EFI standard header
715
716 Returns:
717
718 None
719
720 --*/
721 {
722 UINT32 Crc;
723
724 Hdr->CRC32 = 0;
725
726 //
727 // If gDxeCoreBS->CalculateCrce32 () == CoreEfiNotAvailableYet () then
728 // Crc will come back as zero if we set it to zero here
729 //
730 Crc = 0;
731 gDxeCoreBS->CalculateCrc32 ((UINT8 *)Hdr, Hdr->HeaderSize, &Crc);
732 Hdr->CRC32 = Crc;
733 }
734
735
736
737 EFI_STATUS
738 EFIAPI
739 CoreExitBootServices (
740 IN EFI_HANDLE ImageHandle,
741 IN UINTN MapKey
742 )
743 /*++
744
745 Routine Description:
746
747 Terminates all boot services.
748
749 Arguments:
750
751 ImageHandle - Handle that identifies the exiting image.
752
753 MapKey -Key to the latest memory map.
754
755 Returns:
756
757 EFI_SUCCESS - Boot Services terminated
758 EFI_INVALID_PARAMETER - MapKey is incorrect.
759
760 --*/
761 {
762 EFI_STATUS Status;
763
764 //
765 // Terminate memory services if the MapKey matches
766 //
767 Status = CoreTerminateMemoryMap (MapKey);
768 if (EFI_ERROR (Status)) {
769 return Status;
770 }
771
772 //
773 // Notify other drivers that we are exiting boot services.
774 //
775 CoreNotifySignalList (&gEfiEventExitBootServicesGuid);
776
777 //
778 // Disable Timer
779 //
780 gTimer->SetTimerPeriod (gTimer, 0);
781
782 //
783 // Disable CPU Interrupts
784 //
785 gCpu->DisableInterrupt (gCpu);
786
787 //
788 // Report that ExitBootServices() has been called
789 //
790 // We are using gEfiCallerIdGuid as the caller ID for Dxe Core
791 //
792 CoreReportProgressCode ((EFI_SOFTWARE_EFI_BOOT_SERVICE | EFI_SW_BS_PC_EXIT_BOOT_SERVICES));
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 SetMem (gDxeCoreBS, sizeof (EFI_BOOT_SERVICES), 0);
814 gDxeCoreBS = NULL;
815
816 //
817 // Update the AtRuntime field in Runtiem AP.
818 //
819 gRuntime->AtRuntime = TRUE;
820
821 return Status;
822 }
823
824 EFI_STATUS
825 DxeMainUefiDecompressGetInfo (
826 IN EFI_DECOMPRESS_PROTOCOL *This,
827 IN VOID *Source,
828 IN UINT32 SourceSize,
829 OUT UINT32 *DestinationSize,
830 OUT UINT32 *ScratchSize
831 )
832 {
833 if (Source == NULL
834 || DestinationSize == NULL
835 || ScratchSize == NULL) {
836 return EFI_INVALID_PARAMETER;
837 }
838 return UefiDecompressGetInfo (Source, SourceSize, DestinationSize, ScratchSize);
839 }
840
841 EFI_STATUS
842 EFIAPI
843 DxeMainUefiDecompress (
844 IN EFI_DECOMPRESS_PROTOCOL *This,
845 IN VOID *Source,
846 IN UINT32 SourceSize,
847 IN OUT VOID *Destination,
848 IN UINT32 DestinationSize,
849 IN OUT VOID *Scratch,
850 IN UINT32 ScratchSize
851 )
852 {
853 EFI_STATUS Status;
854 UINT32 TestDestinationSize;
855 UINT32 TestScratchSize;
856
857 if (Source == NULL
858 || Destination== NULL
859 || Scratch == NULL) {
860 return EFI_INVALID_PARAMETER;
861 }
862
863 Status = UefiDecompressGetInfo (Source, SourceSize, &TestDestinationSize, &TestScratchSize);
864 if (EFI_ERROR (Status)) {
865 return Status;
866 }
867
868 if (ScratchSize < TestScratchSize || DestinationSize < TestDestinationSize) {
869 return RETURN_INVALID_PARAMETER;
870 }
871
872 return UefiDecompress (Source, Destination, Scratch);
873 }