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e6d4b9d5 | 1 | /** @file |
2 | DXE Core Main Entry Point | |
3 | ||
4 | Copyright (c) 2006 - 2008, Intel Corporation. <BR> | |
5 | All rights reserved. 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_CPU_ARCH_PROTOCOL *gCpu = NULL; | |
27 | EFI_METRONOME_ARCH_PROTOCOL *gMetronome = NULL; | |
28 | EFI_TIMER_ARCH_PROTOCOL *gTimer = NULL; | |
29 | EFI_BDS_ARCH_PROTOCOL *gBds = NULL; | |
30 | EFI_WATCHDOG_TIMER_ARCH_PROTOCOL *gWatchdogTimer = NULL; | |
31 | ||
32 | // | |
33 | // DXE Core Global used to update core loaded image protocol handle | |
34 | // | |
35 | EFI_GUID *gDxeCoreFileName; | |
36 | EFI_LOADED_IMAGE_PROTOCOL *gDxeCoreLoadedImage; | |
37 | ||
38 | // | |
39 | // DXE Core Module Variables | |
40 | // | |
41 | EFI_BOOT_SERVICES mBootServices = { | |
42 | { | |
43 | EFI_BOOT_SERVICES_SIGNATURE, // Signature | |
44 | EFI_BOOT_SERVICES_REVISION, // Revision | |
45 | sizeof (EFI_BOOT_SERVICES), // HeaderSize | |
46 | 0, // CRC32 | |
47 | 0 // Reserved | |
48 | }, | |
49 | (EFI_RAISE_TPL) CoreRaiseTpl, // RaiseTPL | |
50 | (EFI_RESTORE_TPL) CoreRestoreTpl, // RestoreTPL | |
51 | (EFI_ALLOCATE_PAGES) CoreAllocatePages, // AllocatePages | |
52 | (EFI_FREE_PAGES) CoreFreePages, // FreePages | |
53 | (EFI_GET_MEMORY_MAP) CoreGetMemoryMap, // GetMemoryMap | |
54 | (EFI_ALLOCATE_POOL) CoreAllocatePool, // AllocatePool | |
55 | (EFI_FREE_POOL) CoreFreePool, // FreePool | |
56 | (EFI_CREATE_EVENT) CoreCreateEvent, // CreateEvent | |
57 | (EFI_SET_TIMER) CoreSetTimer, // SetTimer | |
58 | (EFI_WAIT_FOR_EVENT) CoreWaitForEvent, // WaitForEvent | |
59 | (EFI_SIGNAL_EVENT) CoreSignalEvent, // SignalEvent | |
60 | (EFI_CLOSE_EVENT) CoreCloseEvent, // CloseEvent | |
61 | (EFI_CHECK_EVENT) CoreCheckEvent, // CheckEvent | |
62 | (EFI_INSTALL_PROTOCOL_INTERFACE) CoreInstallProtocolInterface, // InstallProtocolInterface | |
63 | (EFI_REINSTALL_PROTOCOL_INTERFACE) CoreReinstallProtocolInterface, // ReinstallProtocolInterface | |
64 | (EFI_UNINSTALL_PROTOCOL_INTERFACE) CoreUninstallProtocolInterface, // UninstallProtocolInterface | |
65 | (EFI_HANDLE_PROTOCOL) CoreHandleProtocol, // HandleProtocol | |
66 | (VOID *) NULL, // Reserved | |
67 | (EFI_REGISTER_PROTOCOL_NOTIFY) CoreRegisterProtocolNotify, // RegisterProtocolNotify | |
68 | (EFI_LOCATE_HANDLE) CoreLocateHandle, // LocateHandle | |
69 | (EFI_LOCATE_DEVICE_PATH) CoreLocateDevicePath, // LocateDevicePath | |
70 | (EFI_INSTALL_CONFIGURATION_TABLE) CoreInstallConfigurationTable, // InstallConfigurationTable | |
71 | (EFI_IMAGE_LOAD) CoreLoadImage, // LoadImage | |
72 | (EFI_IMAGE_START) CoreStartImage, // StartImage | |
73 | (EFI_EXIT) CoreExit, // Exit | |
74 | (EFI_IMAGE_UNLOAD) CoreUnloadImage, // UnloadImage | |
75 | (EFI_EXIT_BOOT_SERVICES) CoreExitBootServices, // ExitBootServices | |
76 | (EFI_GET_NEXT_MONOTONIC_COUNT) CoreEfiNotAvailableYetArg1, // GetNextMonotonicCount | |
77 | (EFI_STALL) CoreStall, // Stall | |
78 | (EFI_SET_WATCHDOG_TIMER) CoreSetWatchdogTimer, // SetWatchdogTimer | |
79 | (EFI_CONNECT_CONTROLLER) CoreConnectController, // ConnectController | |
80 | (EFI_DISCONNECT_CONTROLLER) CoreDisconnectController, // DisconnectController | |
81 | (EFI_OPEN_PROTOCOL) CoreOpenProtocol, // OpenProtocol | |
82 | (EFI_CLOSE_PROTOCOL) CoreCloseProtocol, // CloseProtocol | |
83 | (EFI_OPEN_PROTOCOL_INFORMATION) CoreOpenProtocolInformation, // OpenProtocolInformation | |
84 | (EFI_PROTOCOLS_PER_HANDLE) CoreProtocolsPerHandle, // ProtocolsPerHandle | |
85 | (EFI_LOCATE_HANDLE_BUFFER) CoreLocateHandleBuffer, // LocateHandleBuffer | |
86 | (EFI_LOCATE_PROTOCOL) CoreLocateProtocol, // LocateProtocol | |
87 | (EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES) CoreInstallMultipleProtocolInterfaces, // InstallMultipleProtocolInterfaces | |
88 | (EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES) CoreUninstallMultipleProtocolInterfaces, // UninstallMultipleProtocolInterfaces | |
89 | (EFI_CALCULATE_CRC32) CoreEfiNotAvailableYetArg3, // CalculateCrc32 | |
90 | (EFI_COPY_MEM) CopyMem, // CopyMem | |
91 | (EFI_SET_MEM) SetMem, // SetMem | |
92 | (EFI_CREATE_EVENT_EX) CoreCreateEventEx // CreateEventEx | |
93 | }; | |
94 | ||
95 | EFI_DXE_SERVICES mDxeServices = { | |
96 | { | |
97 | DXE_SERVICES_SIGNATURE, // Signature | |
98 | DXE_SERVICES_REVISION, // Revision | |
99 | sizeof (DXE_SERVICES), // HeaderSize | |
100 | 0, // CRC32 | |
101 | 0 // Reserved | |
102 | }, | |
103 | (EFI_ADD_MEMORY_SPACE) CoreAddMemorySpace, // AddMemorySpace | |
104 | (EFI_ALLOCATE_MEMORY_SPACE) CoreAllocateMemorySpace, // AllocateMemorySpace | |
105 | (EFI_FREE_MEMORY_SPACE) CoreFreeMemorySpace, // FreeMemorySpace | |
106 | (EFI_REMOVE_MEMORY_SPACE) CoreRemoveMemorySpace, // RemoveMemorySpace | |
107 | (EFI_GET_MEMORY_SPACE_DESCRIPTOR) CoreGetMemorySpaceDescriptor, // GetMemorySpaceDescriptor | |
108 | (EFI_SET_MEMORY_SPACE_ATTRIBUTES) CoreSetMemorySpaceAttributes, // SetMemorySpaceAttributes | |
109 | (EFI_GET_MEMORY_SPACE_MAP) CoreGetMemorySpaceMap, // GetMemorySpaceMap | |
110 | (EFI_ADD_IO_SPACE) CoreAddIoSpace, // AddIoSpace | |
111 | (EFI_ALLOCATE_IO_SPACE) CoreAllocateIoSpace, // AllocateIoSpace | |
112 | (EFI_FREE_IO_SPACE) CoreFreeIoSpace, // FreeIoSpace | |
113 | (EFI_REMOVE_IO_SPACE) CoreRemoveIoSpace, // RemoveIoSpace | |
114 | (EFI_GET_IO_SPACE_DESCRIPTOR) CoreGetIoSpaceDescriptor, // GetIoSpaceDescriptor | |
115 | (EFI_GET_IO_SPACE_MAP) CoreGetIoSpaceMap, // GetIoSpaceMap | |
116 | (EFI_DISPATCH) CoreDispatcher, // Dispatch | |
117 | (EFI_SCHEDULE) CoreSchedule, // Schedule | |
118 | (EFI_TRUST) CoreTrust, // Trust | |
119 | (EFI_PROCESS_FIRMWARE_VOLUME) CoreProcessFirmwareVolume, // ProcessFirmwareVolume | |
120 | }; | |
121 | ||
122 | EFI_SYSTEM_TABLE mEfiSystemTableTemplate = { | |
123 | { | |
124 | EFI_SYSTEM_TABLE_SIGNATURE, // Signature | |
125 | EFI_SYSTEM_TABLE_REVISION, // Revision | |
126 | sizeof (EFI_SYSTEM_TABLE), // HeaderSize | |
127 | 0, // CRC32 | |
128 | 0 // Reserved | |
129 | }, | |
130 | NULL, // FirmwareVendor | |
131 | 0, // FirmwareRevision | |
132 | NULL, // ConsoleInHandle | |
133 | NULL, // ConIn | |
134 | NULL, // ConsoleOutHandle | |
135 | NULL, // ConOut | |
136 | NULL, // StandardErrorHandle | |
137 | NULL, // StdErr | |
138 | NULL, // RuntimeServices | |
139 | &mBootServices, // BootServices | |
140 | 0, // NumberOfConfigurationTableEntries | |
141 | NULL // ConfigurationTable | |
142 | }; | |
143 | ||
144 | EFI_RUNTIME_SERVICES mEfiRuntimeServicesTableTemplate = { | |
145 | { | |
146 | EFI_RUNTIME_SERVICES_SIGNATURE, // Signature | |
147 | EFI_RUNTIME_SERVICES_REVISION, // Revision | |
148 | sizeof (EFI_RUNTIME_SERVICES), // HeaderSize | |
149 | 0, // CRC32 | |
150 | 0 // Reserved | |
151 | }, | |
152 | (EFI_GET_TIME) CoreEfiNotAvailableYetArg2, // GetTime | |
153 | (EFI_SET_TIME) CoreEfiNotAvailableYetArg1, // SetTime | |
154 | (EFI_GET_WAKEUP_TIME) CoreEfiNotAvailableYetArg3, // GetWakeupTime | |
155 | (EFI_SET_WAKEUP_TIME) CoreEfiNotAvailableYetArg2, // SetWakeupTime | |
156 | (EFI_SET_VIRTUAL_ADDRESS_MAP) CoreEfiNotAvailableYetArg4, // SetVirtualAddressMap | |
157 | (EFI_CONVERT_POINTER) CoreEfiNotAvailableYetArg2, // ConvertPointer | |
158 | (EFI_GET_VARIABLE) CoreEfiNotAvailableYetArg5, // GetVariable | |
159 | (EFI_GET_NEXT_VARIABLE_NAME) CoreEfiNotAvailableYetArg3, // GetNextVariableName | |
160 | (EFI_SET_VARIABLE) CoreEfiNotAvailableYetArg5, // SetVariable | |
161 | (EFI_GET_NEXT_HIGH_MONO_COUNT) CoreEfiNotAvailableYetArg1, // GetNextHighMonotonicCount | |
162 | (EFI_RESET_SYSTEM) CoreEfiNotAvailableYetArg4, // ResetSystem | |
163 | (EFI_UPDATE_CAPSULE) CoreEfiNotAvailableYetArg3, // UpdateCapsule | |
164 | (EFI_QUERY_CAPSULE_CAPABILITIES) CoreEfiNotAvailableYetArg4, // QueryCapsuleCapabilities | |
165 | (EFI_QUERY_VARIABLE_INFO) CoreEfiNotAvailableYetArg4 // QueryVariableInfo | |
166 | }; | |
167 | ||
168 | EFI_RUNTIME_ARCH_PROTOCOL gRuntimeTemplate = { | |
169 | INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate.ImageHead), | |
170 | INITIALIZE_LIST_HEAD_VARIABLE (gRuntimeTemplate.EventHead), | |
171 | ||
172 | // | |
173 | // Make sure Size != sizeof (EFI_MEMORY_DESCRIPTOR). This will | |
174 | // prevent people from having pointer math bugs in their code. | |
175 | // now you have to use *DescriptorSize to make things work. | |
176 | // | |
177 | sizeof (EFI_MEMORY_DESCRIPTOR) + sizeof (UINT64) - (sizeof (EFI_MEMORY_DESCRIPTOR) % sizeof (UINT64)), | |
178 | EFI_MEMORY_DESCRIPTOR_VERSION, | |
179 | 0, | |
180 | NULL, | |
181 | NULL, | |
182 | FALSE, | |
183 | FALSE | |
184 | }; | |
185 | ||
186 | EFI_RUNTIME_ARCH_PROTOCOL *gRuntime = &gRuntimeTemplate; | |
187 | ||
188 | // | |
189 | // DXE Core Global Variables for the EFI System Table, Boot Services Table, | |
190 | // DXE Services Table, and Runtime Services Table | |
191 | // | |
192 | EFI_DXE_SERVICES *gDxeCoreDS = &mDxeServices; | |
193 | EFI_SYSTEM_TABLE *gDxeCoreST = NULL; | |
194 | ||
195 | // | |
196 | // For debug initialize gDxeCoreRT to template. gDxeCoreRT must be allocated from RT memory | |
197 | // but gDxeCoreRT is used for ASSERT () and DEBUG () type macros so lets give it | |
198 | // a value that will not cause debug infrastructure to crash early on. | |
199 | // | |
200 | EFI_RUNTIME_SERVICES *gDxeCoreRT = &mEfiRuntimeServicesTableTemplate; | |
201 | EFI_HANDLE gDxeCoreImageHandle = NULL; | |
202 | ||
203 | ||
204 | // | |
205 | // EFI Decompress Protocol | |
206 | // | |
207 | EFI_DECOMPRESS_PROTOCOL gEfiDecompress = { | |
208 | DxeMainUefiDecompressGetInfo, | |
209 | DxeMainUefiDecompress | |
210 | }; | |
211 | ||
212 | // | |
213 | // Main entry point to the DXE Core | |
214 | // | |
215 | ||
216 | /** | |
217 | Main entry point to DXE Core. | |
218 | ||
219 | @param HobStart Pointer to the beginning of the HOB List from PEI. | |
220 | ||
221 | @return This function should never return. | |
222 | ||
223 | **/ | |
224 | VOID | |
225 | EFIAPI | |
226 | DxeMain ( | |
227 | IN VOID *HobStart | |
228 | ) | |
229 | { | |
230 | EFI_STATUS Status; | |
231 | EFI_PHYSICAL_ADDRESS MemoryBaseAddress; | |
232 | UINT64 MemoryLength; | |
233 | ||
234 | // | |
235 | // Initialize Memory Services | |
236 | // | |
237 | CoreInitializeMemoryServices (&HobStart, &MemoryBaseAddress, &MemoryLength); | |
238 | ||
239 | // | |
240 | // Allocate the EFI System Table and EFI Runtime Service Table from EfiRuntimeServicesData | |
241 | // Use the templates to initialize the contents of the EFI System Table and EFI Runtime Services Table | |
242 | // | |
243 | gDxeCoreST = AllocateRuntimeCopyPool (sizeof (EFI_SYSTEM_TABLE), &mEfiSystemTableTemplate); | |
244 | ASSERT (gDxeCoreST != NULL); | |
245 | ||
246 | gDxeCoreRT = AllocateRuntimeCopyPool (sizeof (EFI_RUNTIME_SERVICES), &mEfiRuntimeServicesTableTemplate); | |
247 | ASSERT (gDxeCoreRT != NULL); | |
248 | ||
249 | gDxeCoreST->RuntimeServices = gDxeCoreRT; | |
250 | ||
251 | // | |
252 | // Start the Image Services. | |
253 | // | |
254 | Status = CoreInitializeImageServices (HobStart); | |
255 | ASSERT_EFI_ERROR (Status); | |
256 | ||
257 | // | |
258 | // Call constructor for all libraries | |
259 | // | |
260 | ProcessLibraryConstructorList (gDxeCoreImageHandle, gDxeCoreST); | |
261 | PERF_END (NULL,"PEI", NULL, 0) ; | |
262 | PERF_START (NULL,"DXE", NULL, 0) ; | |
263 | ||
264 | // | |
265 | // Initialize the Global Coherency Domain Services | |
266 | // | |
267 | Status = CoreInitializeGcdServices (&HobStart, MemoryBaseAddress, MemoryLength); | |
268 | ASSERT_EFI_ERROR (Status); | |
269 | ||
270 | // | |
271 | // Install the DXE Services Table into the EFI System Tables's Configuration Table | |
272 | // | |
273 | Status = CoreInstallConfigurationTable (&gEfiDxeServicesTableGuid, gDxeCoreDS); | |
274 | ASSERT_EFI_ERROR (Status); | |
275 | ||
276 | // | |
277 | // Install the HOB List into the EFI System Tables's Configuration Table | |
278 | // | |
279 | Status = CoreInstallConfigurationTable (&gEfiHobListGuid, HobStart); | |
280 | ASSERT_EFI_ERROR (Status); | |
281 | ||
282 | // | |
283 | // Install Memory Type Information Table into the EFI System Tables's Configuration Table | |
284 | // | |
285 | Status = CoreInstallConfigurationTable (&gEfiMemoryTypeInformationGuid, &gMemoryTypeInformation); | |
286 | ASSERT_EFI_ERROR (Status); | |
287 | ||
288 | // | |
289 | // Report Status Code here for DXE_ENTRY_POINT once it is available | |
290 | // | |
291 | REPORT_STATUS_CODE ( | |
292 | EFI_PROGRESS_CODE, | |
293 | FixedPcdGet32(PcdStatusCodeValueDxeCoreEntry) | |
294 | ); | |
295 | ||
296 | // | |
297 | // Create the aligned system table pointer structure that is used by external | |
298 | // debuggers to locate the system table... Also, install debug image info | |
299 | // configuration table. | |
300 | // | |
301 | CoreInitializeDebugImageInfoTable (); | |
302 | CoreNewDebugImageInfoEntry ( | |
303 | EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL, | |
304 | gDxeCoreLoadedImage, | |
305 | gDxeCoreImageHandle | |
306 | ); | |
307 | ||
308 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "HOBLIST address in DXE = 0x%p\n", HobStart)); | |
309 | ||
24851580 | 310 | DEBUG_CODE_BEGIN (); |
311 | EFI_PEI_HOB_POINTERS Hob; | |
312 | ||
313 | for (Hob.Raw = HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) { | |
314 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_MEMORY_ALLOCATION) { | |
315 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Memory Allocation %08x %0lx - %0lx\n", \ | |
316 | Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress, \ | |
317 | Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress + Hob.MemoryAllocation->AllocDescriptor.MemoryLength - 1, \ | |
318 | Hob.MemoryAllocation->AllocDescriptor.MemoryType)); | |
319 | } | |
320 | } | |
321 | for (Hob.Raw = HobStart; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) { | |
322 | if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV2) { | |
323 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "FV2 Hob %08x %0lx - %0lx\n", Hob.FirmwareVolume2->BaseAddress, Hob.FirmwareVolume2->BaseAddress + Hob.FirmwareVolume2->Length - 1, Hob.ResourceDescriptor->ResourceType)); | |
324 | } else if (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_FV) { | |
325 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "FV Hob %08x %0lx - %0lx\n", Hob.FirmwareVolume->BaseAddress, Hob.FirmwareVolume->BaseAddress + Hob.FirmwareVolume2->Length - 1, Hob.ResourceDescriptor->ResourceType)); | |
326 | } | |
327 | } | |
328 | DEBUG_CODE_END (); | |
329 | ||
e6d4b9d5 | 330 | // |
331 | // Initialize the Event Services | |
332 | // | |
333 | Status = CoreInitializeEventServices (); | |
334 | ASSERT_EFI_ERROR (Status); | |
335 | ||
336 | ||
337 | // | |
338 | // Get the Protocols that were passed in from PEI to DXE through GUIDed HOBs | |
339 | // | |
340 | // These Protocols are not architectural. This implementation is sharing code between | |
341 | // PEI and DXE in order to save FLASH space. These Protocols could also be implemented | |
342 | // as part of the DXE Core. However, that would also require the DXE Core to be ported | |
343 | // each time a different CPU is used, a different Decompression algorithm is used, or a | |
344 | // different Image type is used. By placing these Protocols in PEI, the DXE Core remains | |
345 | // generic, and only PEI and the Arch Protocols need to be ported from Platform to Platform, | |
346 | // and from CPU to CPU. | |
347 | // | |
348 | ||
349 | // | |
350 | // Publish the EFI, Tiano, and Custom Decompress protocols for use by other DXE components | |
351 | // | |
352 | Status = CoreInstallMultipleProtocolInterfaces ( | |
353 | &mDecompressHandle, | |
354 | &gEfiDecompressProtocolGuid, &gEfiDecompress, | |
355 | NULL | |
356 | ); | |
357 | ASSERT_EFI_ERROR (Status); | |
358 | ||
359 | // | |
360 | // Register for the GUIDs of the Architectural Protocols, so the rest of the | |
361 | // EFI Boot Services and EFI Runtime Services tables can be filled in. | |
362 | // | |
363 | CoreNotifyOnArchProtocolInstallation (); | |
364 | ||
365 | // | |
366 | // Produce Firmware Volume Protocols, one for each FV in the HOB list. | |
367 | // | |
368 | Status = FwVolBlockDriverInit (gDxeCoreImageHandle, gDxeCoreST); | |
369 | ASSERT_EFI_ERROR (Status); | |
370 | ||
371 | Status = FwVolDriverInit (gDxeCoreImageHandle, gDxeCoreST); | |
372 | ASSERT_EFI_ERROR (Status); | |
373 | ||
374 | // | |
375 | // Produce the Section Extraction Protocol | |
376 | // | |
377 | Status = InitializeSectionExtraction (gDxeCoreImageHandle, gDxeCoreST); | |
378 | ASSERT_EFI_ERROR (Status); | |
379 | ||
380 | // | |
381 | // Initialize the DXE Dispatcher | |
382 | // | |
383 | PERF_START (NULL,"CoreInitializeDispatcher", "DxeMain", 0) ; | |
384 | CoreInitializeDispatcher (); | |
385 | PERF_END (NULL,"CoreInitializeDispatcher", "DxeMain", 0) ; | |
386 | ||
387 | // | |
388 | // Invoke the DXE Dispatcher | |
389 | // | |
390 | PERF_START (NULL, "CoreDispatcher", "DxeMain", 0); | |
391 | CoreDispatcher (); | |
392 | PERF_END (NULL, "CoreDispatcher", "DxeMain", 0); | |
393 | ||
394 | // | |
395 | // Display Architectural protocols that were not loaded if this is DEBUG build | |
396 | // | |
397 | DEBUG_CODE_BEGIN (); | |
398 | CoreDisplayMissingArchProtocols (); | |
399 | DEBUG_CODE_END (); | |
400 | ||
401 | // | |
402 | // Display any drivers that were not dispatched because dependency expression | |
403 | // evaluated to false if this is a debug build | |
404 | // | |
405 | DEBUG_CODE_BEGIN (); | |
406 | CoreDisplayDiscoveredNotDispatched (); | |
407 | DEBUG_CODE_END (); | |
408 | ||
409 | // | |
410 | // Assert if the Architectural Protocols are not present. | |
411 | // | |
412 | ASSERT_EFI_ERROR (CoreAllEfiServicesAvailable ()); | |
413 | ||
414 | // | |
415 | // Report Status code before transfer control to BDS | |
416 | // | |
417 | REPORT_STATUS_CODE ( | |
418 | EFI_PROGRESS_CODE, | |
419 | FixedPcdGet32 (PcdStatusCodeValueDxeCoreHandoffToBds) | |
420 | ); | |
421 | ||
422 | // | |
423 | // Transfer control to the BDS Architectural Protocol | |
424 | // | |
425 | gBds->Entry (gBds); | |
426 | ||
427 | // | |
428 | // BDS should never return | |
429 | // | |
430 | ASSERT (FALSE); | |
431 | CpuDeadLoop (); | |
432 | } | |
433 | ||
434 | ||
435 | ||
436 | /** | |
437 | Place holder function until all the Boot Services and Runtime Services are | |
438 | available. | |
439 | ||
440 | @return EFI_NOT_AVAILABLE_YET | |
441 | ||
442 | **/ | |
443 | EFI_STATUS | |
444 | EFIAPI | |
445 | CoreEfiNotAvailableYetArg0 ( | |
446 | VOID | |
447 | ) | |
448 | { | |
449 | // | |
450 | // This function should never be executed. If it does, then the architectural protocols | |
451 | // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
452 | // DXE Core and all the Architectural Protocols are complete. | |
453 | // | |
454 | ||
455 | return EFI_NOT_AVAILABLE_YET; | |
456 | } | |
457 | ||
458 | ||
459 | /** | |
460 | Place holder function until all the Boot Services and Runtime Services are | |
461 | available. | |
462 | ||
463 | @param Arg1 Undefined | |
464 | ||
465 | @return EFI_NOT_AVAILABLE_YET | |
466 | ||
467 | **/ | |
468 | EFI_STATUS | |
469 | EFIAPI | |
470 | CoreEfiNotAvailableYetArg1 ( | |
471 | UINTN Arg1 | |
472 | ) | |
473 | { | |
474 | // | |
475 | // This function should never be executed. If it does, then the architectural protocols | |
476 | // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
477 | // DXE Core and all the Architectural Protocols are complete. | |
478 | // | |
479 | ||
480 | return EFI_NOT_AVAILABLE_YET; | |
481 | } | |
482 | ||
483 | ||
484 | /** | |
485 | Place holder function until all the Boot Services and Runtime Services are available. | |
486 | ||
487 | @param Arg1 Undefined | |
488 | @param Arg2 Undefined | |
489 | ||
490 | @return EFI_NOT_AVAILABLE_YET | |
491 | ||
492 | **/ | |
493 | EFI_STATUS | |
494 | EFIAPI | |
495 | CoreEfiNotAvailableYetArg2 ( | |
496 | UINTN Arg1, | |
497 | UINTN Arg2 | |
498 | ) | |
499 | { | |
500 | // | |
501 | // This function should never be executed. If it does, then the architectural protocols | |
502 | // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
503 | // DXE Core and all the Architectural Protocols are complete. | |
504 | // | |
505 | ||
506 | return EFI_NOT_AVAILABLE_YET; | |
507 | } | |
508 | ||
509 | ||
510 | /** | |
511 | Place holder function until all the Boot Services and Runtime Services are available. | |
512 | ||
513 | @param Arg1 Undefined | |
514 | @param Arg2 Undefined | |
515 | @param Arg3 Undefined | |
516 | ||
517 | @return EFI_NOT_AVAILABLE_YET | |
518 | ||
519 | **/ | |
520 | EFI_STATUS | |
521 | EFIAPI | |
522 | CoreEfiNotAvailableYetArg3 ( | |
523 | UINTN Arg1, | |
524 | UINTN Arg2, | |
525 | UINTN Arg3 | |
526 | ) | |
527 | { | |
528 | // | |
529 | // This function should never be executed. If it does, then the architectural protocols | |
530 | // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
531 | // DXE Core and all the Architectural Protocols are complete. | |
532 | // | |
533 | ||
534 | return EFI_NOT_AVAILABLE_YET; | |
535 | } | |
536 | ||
537 | ||
538 | /** | |
539 | Place holder function until all the Boot Services and Runtime Services are available. | |
540 | ||
541 | @param Arg1 Undefined | |
542 | @param Arg2 Undefined | |
543 | @param Arg3 Undefined | |
544 | @param Arg4 Undefined | |
545 | ||
546 | @return EFI_NOT_AVAILABLE_YET | |
547 | ||
548 | **/ | |
549 | EFI_STATUS | |
550 | EFIAPI | |
551 | CoreEfiNotAvailableYetArg4 ( | |
552 | UINTN Arg1, | |
553 | UINTN Arg2, | |
554 | UINTN Arg3, | |
555 | UINTN Arg4 | |
556 | ) | |
557 | { | |
558 | // | |
559 | // This function should never be executed. If it does, then the architectural protocols | |
560 | // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
561 | // DXE Core and all the Architectural Protocols are complete. | |
562 | // | |
563 | ||
564 | return EFI_NOT_AVAILABLE_YET; | |
565 | } | |
566 | ||
567 | ||
568 | /** | |
569 | Place holder function until all the Boot Services and Runtime Services are available. | |
570 | ||
571 | @param Arg1 Undefined | |
572 | @param Arg2 Undefined | |
573 | @param Arg3 Undefined | |
574 | @param Arg4 Undefined | |
575 | @param Arg5 Undefined | |
576 | ||
577 | @return EFI_NOT_AVAILABLE_YET | |
578 | ||
579 | **/ | |
580 | EFI_STATUS | |
581 | EFIAPI | |
582 | CoreEfiNotAvailableYetArg5 ( | |
583 | UINTN Arg1, | |
584 | UINTN Arg2, | |
585 | UINTN Arg3, | |
586 | UINTN Arg4, | |
587 | UINTN Arg5 | |
588 | ) | |
589 | { | |
590 | // | |
591 | // This function should never be executed. If it does, then the architectural protocols | |
592 | // have not been designed correctly. The CpuBreakpoint () is commented out for now until the | |
593 | // DXE Core and all the Architectural Protocols are complete. | |
594 | // | |
595 | ||
596 | return EFI_NOT_AVAILABLE_YET; | |
597 | } | |
598 | ||
599 | ||
600 | /** | |
601 | Calcualte the 32-bit CRC in a EFI table using the service provided by the | |
602 | gRuntime service. | |
603 | ||
604 | @param Hdr Pointer to an EFI standard header | |
605 | ||
606 | **/ | |
607 | VOID | |
608 | CalculateEfiHdrCrc ( | |
609 | IN OUT EFI_TABLE_HEADER *Hdr | |
610 | ) | |
611 | { | |
612 | UINT32 Crc; | |
613 | ||
614 | Hdr->CRC32 = 0; | |
615 | ||
616 | // | |
617 | // If gBS->CalculateCrce32 () == CoreEfiNotAvailableYet () then | |
618 | // Crc will come back as zero if we set it to zero here | |
619 | // | |
620 | Crc = 0; | |
621 | gBS->CalculateCrc32 ((UINT8 *)Hdr, Hdr->HeaderSize, &Crc); | |
622 | Hdr->CRC32 = Crc; | |
623 | } | |
624 | ||
625 | ||
626 | /** | |
627 | Terminates all boot services. | |
628 | ||
629 | @param ImageHandle Handle that identifies the exiting image. | |
630 | @param MapKey Key to the latest memory map. | |
631 | ||
632 | @retval EFI_SUCCESS Boot Services terminated | |
633 | @retval EFI_INVALID_PARAMETER MapKey is incorrect. | |
634 | ||
635 | **/ | |
636 | EFI_STATUS | |
637 | EFIAPI | |
638 | CoreExitBootServices ( | |
639 | IN EFI_HANDLE ImageHandle, | |
640 | IN UINTN MapKey | |
641 | ) | |
642 | { | |
643 | EFI_STATUS Status; | |
644 | ||
645 | // | |
646 | // Terminate memory services if the MapKey matches | |
647 | // | |
648 | Status = CoreTerminateMemoryMap (MapKey); | |
649 | if (EFI_ERROR (Status)) { | |
650 | return Status; | |
651 | } | |
652 | ||
653 | // | |
654 | // Disable Timer | |
655 | // | |
656 | gTimer->SetTimerPeriod (gTimer, 0); | |
657 | ||
658 | // | |
659 | // Notify other drivers that we are exiting boot services. | |
660 | // | |
661 | CoreNotifySignalList (&gEfiEventExitBootServicesGuid); | |
662 | ||
663 | // | |
664 | // Disable CPU Interrupts | |
665 | // | |
666 | gCpu->DisableInterrupt (gCpu); | |
667 | ||
668 | // | |
669 | // Report that ExitBootServices() has been called | |
670 | // | |
671 | REPORT_STATUS_CODE ( | |
672 | EFI_PROGRESS_CODE, | |
673 | FixedPcdGet32 (PcdStatusCodeValueBootServiceExit) | |
674 | ); | |
675 | ||
676 | // | |
677 | // Clear the non-runtime values of the EFI System Table | |
678 | // | |
679 | gDxeCoreST->BootServices = NULL; | |
680 | gDxeCoreST->ConIn = NULL; | |
681 | gDxeCoreST->ConsoleInHandle = NULL; | |
682 | gDxeCoreST->ConOut = NULL; | |
683 | gDxeCoreST->ConsoleOutHandle = NULL; | |
684 | gDxeCoreST->StdErr = NULL; | |
685 | gDxeCoreST->StandardErrorHandle = NULL; | |
686 | ||
687 | // | |
688 | // Recompute the 32-bit CRC of the EFI System Table | |
689 | // | |
690 | CalculateEfiHdrCrc (&gDxeCoreST->Hdr); | |
691 | ||
692 | // | |
693 | // Zero out the Boot Service Table | |
694 | // | |
695 | ZeroMem (gBS, sizeof (EFI_BOOT_SERVICES)); | |
696 | gBS = NULL; | |
697 | ||
698 | // | |
699 | // Update the AtRuntime field in Runtiem AP. | |
700 | // | |
701 | gRuntime->AtRuntime = TRUE; | |
702 | ||
703 | return Status; | |
704 | } | |
705 | ||
706 | ||
707 | /** | |
708 | Given a compressed source buffer, this function retrieves the size of the | |
709 | uncompressed buffer and the size of the scratch buffer required to decompress | |
710 | the compressed source buffer. | |
711 | ||
712 | The GetInfo() function retrieves the size of the uncompressed buffer and the | |
713 | temporary scratch buffer required to decompress the buffer specified by Source | |
714 | and SourceSize. If the size of the uncompressed buffer or the size of the | |
715 | scratch buffer cannot be determined from the compressed data specified by | |
716 | Source and SourceData, then EFI_INVALID_PARAMETER is returned. Otherwise, the | |
717 | size of the uncompressed buffer is returned in DestinationSize, the size of | |
718 | the scratch buffer is returned in ScratchSize, and EFI_SUCCESS is returned. | |
719 | The GetInfo() function does not have scratch buffer available to perform a | |
720 | thorough checking of the validity of the source data. It just retrieves the | |
721 | "Original Size" field from the beginning bytes of the source data and output | |
722 | it as DestinationSize. And ScratchSize is specific to the decompression | |
723 | implementation. | |
724 | ||
725 | @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance. | |
726 | @param Source The source buffer containing the compressed data. | |
727 | @param SourceSize The size, in bytes, of the source buffer. | |
728 | @param DestinationSize A pointer to the size, in bytes, of the | |
729 | uncompressed buffer that will be generated when the | |
730 | compressed buffer specified by Source and | |
731 | SourceSize is decompressed. | |
732 | @param ScratchSize A pointer to the size, in bytes, of the scratch | |
733 | buffer that is required to decompress the | |
734 | compressed buffer specified by Source and | |
735 | SourceSize. | |
736 | ||
737 | @retval EFI_SUCCESS The size of the uncompressed data was returned in | |
738 | DestinationSize and the size of the scratch buffer | |
739 | was returned in ScratchSize. | |
740 | @retval EFI_INVALID_PARAMETER The size of the uncompressed data or the size of | |
741 | the scratch buffer cannot be determined from the | |
742 | compressed data specified by Source and | |
743 | SourceSize. | |
744 | ||
745 | **/ | |
746 | EFI_STATUS | |
747 | EFIAPI | |
748 | DxeMainUefiDecompressGetInfo ( | |
749 | IN EFI_DECOMPRESS_PROTOCOL *This, | |
750 | IN VOID *Source, | |
751 | IN UINT32 SourceSize, | |
752 | OUT UINT32 *DestinationSize, | |
753 | OUT UINT32 *ScratchSize | |
754 | ) | |
755 | { | |
756 | if (Source == NULL || DestinationSize == NULL || ScratchSize == NULL) { | |
757 | return EFI_INVALID_PARAMETER; | |
758 | } | |
759 | return UefiDecompressGetInfo (Source, SourceSize, DestinationSize, ScratchSize); | |
760 | } | |
761 | ||
762 | ||
763 | /** | |
764 | Decompresses a compressed source buffer. | |
765 | ||
766 | The Decompress() function extracts decompressed data to its original form. | |
767 | This protocol is designed so that the decompression algorithm can be | |
768 | implemented without using any memory services. As a result, the Decompress() | |
769 | Function is not allowed to call AllocatePool() or AllocatePages() in its | |
770 | implementation. It is the caller's responsibility to allocate and free the | |
771 | Destination and Scratch buffers. | |
772 | If the compressed source data specified by Source and SourceSize is | |
773 | sucessfully decompressed into Destination, then EFI_SUCCESS is returned. If | |
774 | the compressed source data specified by Source and SourceSize is not in a | |
775 | valid compressed data format, then EFI_INVALID_PARAMETER is returned. | |
776 | ||
777 | @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance. | |
778 | @param Source The source buffer containing the compressed data. | |
779 | @param SourceSize SourceSizeThe size of source data. | |
780 | @param Destination On output, the destination buffer that contains | |
781 | the uncompressed data. | |
782 | @param DestinationSize The size of the destination buffer. The size of | |
783 | the destination buffer needed is obtained from | |
784 | EFI_DECOMPRESS_PROTOCOL.GetInfo(). | |
785 | @param Scratch A temporary scratch buffer that is used to perform | |
786 | the decompression. | |
787 | @param ScratchSize The size of scratch buffer. The size of the | |
788 | scratch buffer needed is obtained from GetInfo(). | |
789 | ||
790 | @retval EFI_SUCCESS Decompression completed successfully, and the | |
791 | uncompressed buffer is returned in Destination. | |
792 | @retval EFI_INVALID_PARAMETER The source buffer specified by Source and | |
793 | SourceSize is corrupted (not in a valid | |
794 | compressed format). | |
795 | ||
796 | **/ | |
797 | EFI_STATUS | |
798 | EFIAPI | |
799 | DxeMainUefiDecompress ( | |
800 | IN EFI_DECOMPRESS_PROTOCOL *This, | |
801 | IN VOID *Source, | |
802 | IN UINT32 SourceSize, | |
803 | IN OUT VOID *Destination, | |
804 | IN UINT32 DestinationSize, | |
805 | IN OUT VOID *Scratch, | |
806 | IN UINT32 ScratchSize | |
807 | ) | |
808 | { | |
809 | EFI_STATUS Status; | |
810 | UINT32 TestDestinationSize; | |
811 | UINT32 TestScratchSize; | |
812 | ||
813 | if (Source == NULL || Destination== NULL || Scratch == NULL) { | |
814 | return EFI_INVALID_PARAMETER; | |
815 | } | |
816 | ||
817 | Status = UefiDecompressGetInfo (Source, SourceSize, &TestDestinationSize, &TestScratchSize); | |
818 | if (EFI_ERROR (Status)) { | |
819 | return Status; | |
820 | } | |
821 | ||
822 | if (ScratchSize < TestScratchSize || DestinationSize < TestDestinationSize) { | |
823 | return RETURN_INVALID_PARAMETER; | |
824 | } | |
825 | ||
826 | return UefiDecompress (Source, Destination, Scratch); | |
827 | } |