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e42e9404 | 1 | /** @file\r |
2 | SMM Core Main Entry Point\r | |
3 | \r | |
bb2c9ccb | 4 | Copyright (c) 2009 - 2019, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
e42e9404 | 6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "PiSmmCore.h"\r | |
10 | \r | |
11 | //\r | |
12 | // Physical pointer to private structure shared between SMM IPL and the SMM Core\r | |
13 | //\r | |
14 | SMM_CORE_PRIVATE_DATA *gSmmCorePrivate;\r | |
15 | \r | |
16 | //\r | |
17 | // SMM Core global variable for SMM System Table. Only accessed as a physical structure in SMRAM.\r | |
18 | //\r | |
19 | EFI_SMM_SYSTEM_TABLE2 gSmmCoreSmst = {\r | |
20 | {\r | |
21 | SMM_SMST_SIGNATURE,\r | |
22 | EFI_SMM_SYSTEM_TABLE2_REVISION,\r | |
23 | sizeof (gSmmCoreSmst.Hdr)\r | |
24 | },\r | |
25 | NULL, // SmmFirmwareVendor\r | |
26 | 0, // SmmFirmwareRevision\r | |
27 | SmmInstallConfigurationTable,\r | |
28 | {\r | |
29 | {\r | |
30 | (EFI_SMM_CPU_IO2) SmmEfiNotAvailableYetArg5, // SmmMemRead\r | |
31 | (EFI_SMM_CPU_IO2) SmmEfiNotAvailableYetArg5 // SmmMemWrite\r | |
32 | },\r | |
33 | {\r | |
34 | (EFI_SMM_CPU_IO2) SmmEfiNotAvailableYetArg5, // SmmIoRead\r | |
35 | (EFI_SMM_CPU_IO2) SmmEfiNotAvailableYetArg5 // SmmIoWrite\r | |
36 | }\r | |
37 | },\r | |
38 | SmmAllocatePool,\r | |
39 | SmmFreePool,\r | |
40 | SmmAllocatePages,\r | |
41 | SmmFreePages,\r | |
42 | NULL, // SmmStartupThisAp\r | |
43 | 0, // CurrentlyExecutingCpu\r | |
44 | 0, // NumberOfCpus\r | |
45 | NULL, // CpuSaveStateSize\r | |
46 | NULL, // CpuSaveState\r | |
47 | 0, // NumberOfTableEntries\r | |
48 | NULL, // SmmConfigurationTable\r | |
49 | SmmInstallProtocolInterface,\r | |
50 | SmmUninstallProtocolInterface,\r | |
51 | SmmHandleProtocol,\r | |
52 | SmmRegisterProtocolNotify,\r | |
53 | SmmLocateHandle,\r | |
54 | SmmLocateProtocol,\r | |
55 | SmiManage,\r | |
56 | SmiHandlerRegister,\r | |
57 | SmiHandlerUnRegister\r | |
58 | };\r | |
59 | \r | |
60 | //\r | |
61 | // Flag to determine if the platform has performed a legacy boot.\r | |
d1102dba | 62 | // If this flag is TRUE, then the runtime code and runtime data associated with the\r |
53ec4d7f | 63 | // SMM IPL are converted to free memory, so the SMM Core must guarantee that is\r |
e42e9404 | 64 | // does not touch of the code/data associated with the SMM IPL if this flag is TRUE.\r |
65 | //\r | |
66 | BOOLEAN mInLegacyBoot = FALSE;\r | |
67 | \r | |
7b9b55b2 SZ |
68 | //\r |
69 | // Flag to determine if it is during S3 resume.\r | |
70 | // It will be set in S3 entry callback and cleared at EndOfS3Resume.\r | |
71 | //\r | |
72 | BOOLEAN mDuringS3Resume = FALSE;\r | |
73 | \r | |
bb2c9ccb ED |
74 | //\r |
75 | // Flag to determine if platform enabled S3.\r | |
76 | // Get the value from PcdAcpiS3Enable.\r | |
77 | //\r | |
78 | BOOLEAN mAcpiS3Enable = FALSE;\r | |
79 | \r | |
e42e9404 | 80 | //\r |
81 | // Table of SMI Handlers that are registered by the SMM Core when it is initialized\r | |
82 | //\r | |
83 | SMM_CORE_SMI_HANDLERS mSmmCoreSmiHandlers[] = {\r | |
d76c2da8 | 84 | { SmmDriverDispatchHandler, &gEfiEventDxeDispatchGuid, NULL, TRUE },\r |
d1102dba | 85 | { SmmReadyToLockHandler, &gEfiDxeSmmReadyToLockProtocolGuid, NULL, TRUE },\r |
d76c2da8 ED |
86 | { SmmLegacyBootHandler, &gEfiEventLegacyBootGuid, NULL, FALSE },\r |
87 | { SmmExitBootServicesHandler, &gEfiEventExitBootServicesGuid, NULL, FALSE },\r | |
88 | { SmmReadyToBootHandler, &gEfiEventReadyToBootGuid, NULL, FALSE },\r | |
89 | { SmmEndOfDxeHandler, &gEfiEndOfDxeEventGroupGuid, NULL, TRUE },\r | |
bb2c9ccb ED |
90 | { NULL, NULL, NULL, FALSE }\r |
91 | };\r | |
92 | \r | |
93 | //\r | |
94 | // Table of SMI Handlers that are registered by the SMM Core when it is initialized\r | |
95 | //\r | |
96 | SMM_CORE_SMI_HANDLERS mSmmCoreS3SmiHandlers[] = {\r | |
1bae3e0e | 97 | { SmmS3SmmInitDoneHandler, &gEdkiiS3SmmInitDoneGuid, NULL, FALSE },\r |
a85e7127 | 98 | { SmmEndOfS3ResumeHandler, &gEdkiiEndOfS3ResumeGuid, NULL, FALSE },\r |
d76c2da8 | 99 | { NULL, NULL, NULL, FALSE }\r |
e42e9404 | 100 | };\r |
101 | \r | |
84edd20b SZ |
102 | UINTN mFullSmramRangeCount;\r |
103 | EFI_SMRAM_DESCRIPTOR *mFullSmramRanges;\r | |
104 | \r | |
285a682c JY |
105 | EFI_SMM_DRIVER_ENTRY *mSmmCoreDriverEntry;\r |
106 | \r | |
0b256fb1 JY |
107 | EFI_LOADED_IMAGE_PROTOCOL *mSmmCoreLoadedImage;\r |
108 | \r | |
e42e9404 | 109 | /**\r |
110 | Place holder function until all the SMM System Table Service are available.\r | |
111 | \r | |
112 | Note: This function is only used by SMRAM invocation. It is never used by DXE invocation.\r | |
113 | \r | |
114 | @param Arg1 Undefined\r | |
115 | @param Arg2 Undefined\r | |
116 | @param Arg3 Undefined\r | |
117 | @param Arg4 Undefined\r | |
118 | @param Arg5 Undefined\r | |
119 | \r | |
120 | @return EFI_NOT_AVAILABLE_YET\r | |
121 | \r | |
122 | **/\r | |
123 | EFI_STATUS\r | |
124 | EFIAPI\r | |
125 | SmmEfiNotAvailableYetArg5 (\r | |
126 | UINTN Arg1,\r | |
127 | UINTN Arg2,\r | |
128 | UINTN Arg3,\r | |
129 | UINTN Arg4,\r | |
130 | UINTN Arg5\r | |
131 | )\r | |
132 | {\r | |
133 | //\r | |
134 | // This function should never be executed. If it does, then the architectural protocols\r | |
135 | // have not been designed correctly.\r | |
136 | //\r | |
137 | return EFI_NOT_AVAILABLE_YET;\r | |
138 | }\r | |
139 | \r | |
140 | /**\r | |
141 | Software SMI handler that is called when a Legacy Boot event is signalled. The SMM\r | |
d1102dba | 142 | Core uses this signal to know that a Legacy Boot has been performed and that\r |
e42e9404 | 143 | gSmmCorePrivate that is shared between the UEFI and SMM execution environments can\r |
144 | not be accessed from SMM anymore since that structure is considered free memory by\r | |
53ec4d7f SZ |
145 | a legacy OS. Then the SMM Core also install SMM Legacy Boot protocol to notify SMM\r |
146 | driver that system enter legacy boot.\r | |
e42e9404 | 147 | \r |
148 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
149 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
150 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
151 | be conveyed from a non-SMM environment into an SMM environment.\r | |
152 | @param CommBufferSize The size of the CommBuffer.\r | |
153 | \r | |
154 | @return Status Code\r | |
155 | \r | |
156 | **/\r | |
157 | EFI_STATUS\r | |
158 | EFIAPI\r | |
159 | SmmLegacyBootHandler (\r | |
160 | IN EFI_HANDLE DispatchHandle,\r | |
161 | IN CONST VOID *Context, OPTIONAL\r | |
162 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
163 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
164 | )\r | |
165 | {\r | |
53ec4d7f SZ |
166 | EFI_STATUS Status;\r |
167 | EFI_HANDLE SmmHandle;\r | |
c6ded48c | 168 | UINTN Index;\r |
53ec4d7f SZ |
169 | \r |
170 | //\r | |
171 | // Install SMM Legacy Boot protocol.\r | |
172 | //\r | |
173 | SmmHandle = NULL;\r | |
174 | Status = SmmInstallProtocolInterface (\r | |
175 | &SmmHandle,\r | |
176 | &gEdkiiSmmLegacyBootProtocolGuid,\r | |
177 | EFI_NATIVE_INTERFACE,\r | |
178 | NULL\r | |
179 | );\r | |
180 | \r | |
e42e9404 | 181 | mInLegacyBoot = TRUE;\r |
53ec4d7f SZ |
182 | \r |
183 | SmiHandlerUnRegister (DispatchHandle);\r | |
184 | \r | |
c6ded48c SZ |
185 | //\r |
186 | // It is legacy boot, unregister ExitBootService SMI handler.\r | |
187 | //\r | |
188 | for (Index = 0; mSmmCoreSmiHandlers[Index].HandlerType != NULL; Index++) {\r | |
189 | if (CompareGuid (mSmmCoreSmiHandlers[Index].HandlerType, &gEfiEventExitBootServicesGuid)) {\r | |
190 | SmiHandlerUnRegister (mSmmCoreSmiHandlers[Index].DispatchHandle);\r | |
191 | break;\r | |
192 | }\r | |
193 | }\r | |
194 | \r | |
53ec4d7f SZ |
195 | return Status;\r |
196 | }\r | |
197 | \r | |
198 | /**\r | |
199 | Software SMI handler that is called when an Exit Boot Services event is signalled.\r | |
200 | Then the SMM Core also install SMM Exit Boot Services protocol to notify SMM driver\r | |
201 | that system enter exit boot services.\r | |
202 | \r | |
203 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
204 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
205 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
206 | be conveyed from a non-SMM environment into an SMM environment.\r | |
207 | @param CommBufferSize The size of the CommBuffer.\r | |
208 | \r | |
209 | @return Status Code\r | |
210 | \r | |
211 | **/\r | |
212 | EFI_STATUS\r | |
213 | EFIAPI\r | |
214 | SmmExitBootServicesHandler (\r | |
215 | IN EFI_HANDLE DispatchHandle,\r | |
216 | IN CONST VOID *Context, OPTIONAL\r | |
217 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
218 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
219 | )\r | |
220 | {\r | |
221 | EFI_STATUS Status;\r | |
222 | EFI_HANDLE SmmHandle;\r | |
c6ded48c | 223 | UINTN Index;\r |
53ec4d7f SZ |
224 | \r |
225 | //\r | |
226 | // Install SMM Exit Boot Services protocol.\r | |
227 | //\r | |
228 | SmmHandle = NULL;\r | |
229 | Status = SmmInstallProtocolInterface (\r | |
230 | &SmmHandle,\r | |
231 | &gEdkiiSmmExitBootServicesProtocolGuid,\r | |
232 | EFI_NATIVE_INTERFACE,\r | |
233 | NULL\r | |
234 | );\r | |
235 | \r | |
236 | SmiHandlerUnRegister (DispatchHandle);\r | |
237 | \r | |
c6ded48c SZ |
238 | //\r |
239 | // It is UEFI boot, unregister LegacyBoot SMI handler.\r | |
240 | //\r | |
241 | for (Index = 0; mSmmCoreSmiHandlers[Index].HandlerType != NULL; Index++) {\r | |
242 | if (CompareGuid (mSmmCoreSmiHandlers[Index].HandlerType, &gEfiEventLegacyBootGuid)) {\r | |
243 | SmiHandlerUnRegister (mSmmCoreSmiHandlers[Index].DispatchHandle);\r | |
244 | break;\r | |
245 | }\r | |
246 | }\r | |
247 | \r | |
53ec4d7f SZ |
248 | return Status;\r |
249 | }\r | |
250 | \r | |
7b9b55b2 SZ |
251 | /**\r |
252 | Main entry point for an SMM handler dispatch or communicate-based callback.\r | |
253 | \r | |
254 | @param[in] DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
255 | @param[in] Context Points to an optional handler context which was specified when the\r | |
256 | handler was registered.\r | |
257 | @param[in,out] CommBuffer A pointer to a collection of data in memory that will\r | |
258 | be conveyed from a non-SMM environment into an SMM environment.\r | |
259 | @param[in,out] CommBufferSize The size of the CommBuffer.\r | |
260 | \r | |
261 | @retval EFI_SUCCESS The interrupt was handled and quiesced. No other handlers\r | |
262 | should still be called.\r | |
263 | @retval EFI_WARN_INTERRUPT_SOURCE_QUIESCED The interrupt has been quiesced but other handlers should\r | |
264 | still be called.\r | |
265 | @retval EFI_WARN_INTERRUPT_SOURCE_PENDING The interrupt is still pending and other handlers should still\r | |
266 | be called.\r | |
267 | @retval EFI_INTERRUPT_PENDING The interrupt could not be quiesced.\r | |
268 | **/\r | |
269 | EFI_STATUS\r | |
270 | EFIAPI\r | |
271 | SmmS3EntryCallBack (\r | |
272 | IN EFI_HANDLE DispatchHandle,\r | |
273 | IN CONST VOID *Context OPTIONAL,\r | |
274 | IN OUT VOID *CommBuffer OPTIONAL,\r | |
275 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
276 | )\r | |
277 | {\r | |
278 | mDuringS3Resume = TRUE;\r | |
279 | return EFI_SUCCESS;\r | |
280 | }\r | |
281 | \r | |
53ec4d7f SZ |
282 | /**\r |
283 | Software SMI handler that is called when an Ready To Boot event is signalled.\r | |
284 | Then the SMM Core also install SMM Ready To Boot protocol to notify SMM driver\r | |
285 | that system enter ready to boot.\r | |
286 | \r | |
287 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
288 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
289 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
290 | be conveyed from a non-SMM environment into an SMM environment.\r | |
291 | @param CommBufferSize The size of the CommBuffer.\r | |
292 | \r | |
293 | @return Status Code\r | |
294 | \r | |
295 | **/\r | |
296 | EFI_STATUS\r | |
297 | EFIAPI\r | |
298 | SmmReadyToBootHandler (\r | |
299 | IN EFI_HANDLE DispatchHandle,\r | |
300 | IN CONST VOID *Context, OPTIONAL\r | |
301 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
302 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
303 | )\r | |
304 | {\r | |
7b9b55b2 SZ |
305 | EFI_STATUS Status;\r |
306 | EFI_HANDLE SmmHandle;\r | |
53ec4d7f SZ |
307 | \r |
308 | //\r | |
309 | // Install SMM Ready To Boot protocol.\r | |
310 | //\r | |
311 | SmmHandle = NULL;\r | |
312 | Status = SmmInstallProtocolInterface (\r | |
313 | &SmmHandle,\r | |
314 | &gEdkiiSmmReadyToBootProtocolGuid,\r | |
315 | EFI_NATIVE_INTERFACE,\r | |
316 | NULL\r | |
317 | );\r | |
318 | \r | |
319 | SmiHandlerUnRegister (DispatchHandle);\r | |
320 | \r | |
b36acb21 | 321 | return Status;\r |
e42e9404 | 322 | }\r |
323 | \r | |
324 | /**\r | |
325 | Software SMI handler that is called when the DxeSmmReadyToLock protocol is added\r | |
d1102dba LG |
326 | or if gEfiEventReadyToBootGuid is signalled. This function unregisters the\r |
327 | Software SMIs that are nor required after SMRAM is locked and installs the\r | |
328 | SMM Ready To Lock Protocol so SMM Drivers are informed that SMRAM is about\r | |
2048c585 | 329 | to be locked. It also verifies the SMM CPU I/O 2 Protocol has been installed\r |
e42e9404 | 330 | and NULLs gBS and gST because they can not longer be used after SMRAM is locked.\r |
331 | \r | |
332 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
333 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
334 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
335 | be conveyed from a non-SMM environment into an SMM environment.\r | |
336 | @param CommBufferSize The size of the CommBuffer.\r | |
337 | \r | |
338 | @return Status Code\r | |
339 | \r | |
340 | **/\r | |
341 | EFI_STATUS\r | |
342 | EFIAPI\r | |
343 | SmmReadyToLockHandler (\r | |
344 | IN EFI_HANDLE DispatchHandle,\r | |
345 | IN CONST VOID *Context, OPTIONAL\r | |
346 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
347 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
348 | )\r | |
349 | {\r | |
350 | EFI_STATUS Status;\r | |
351 | UINTN Index;\r | |
352 | EFI_HANDLE SmmHandle;\r | |
353 | VOID *Interface;\r | |
354 | \r | |
355 | //\r | |
356 | // Unregister SMI Handlers that are no required after the SMM driver dispatch is stopped\r | |
357 | //\r | |
358 | for (Index = 0; mSmmCoreSmiHandlers[Index].HandlerType != NULL; Index++) {\r | |
359 | if (mSmmCoreSmiHandlers[Index].UnRegister) {\r | |
360 | SmiHandlerUnRegister (mSmmCoreSmiHandlers[Index].DispatchHandle);\r | |
361 | }\r | |
362 | }\r | |
363 | \r | |
364 | //\r | |
365 | // Install SMM Ready to lock protocol\r | |
366 | //\r | |
367 | SmmHandle = NULL;\r | |
368 | Status = SmmInstallProtocolInterface (\r | |
369 | &SmmHandle,\r | |
370 | &gEfiSmmReadyToLockProtocolGuid,\r | |
371 | EFI_NATIVE_INTERFACE,\r | |
372 | NULL\r | |
373 | );\r | |
374 | \r | |
375 | //\r | |
376 | // Make sure SMM CPU I/O 2 Procol has been installed into the handle database\r | |
377 | //\r | |
378 | Status = SmmLocateProtocol (&gEfiSmmCpuIo2ProtocolGuid, NULL, &Interface);\r | |
379 | \r | |
380 | //\r | |
381 | // Print a message on a debug build if the SMM CPU I/O 2 Protocol is not installed\r | |
382 | //\r | |
383 | DEBUG_CODE_BEGIN ();\r | |
384 | if (EFI_ERROR (Status)) {\r | |
385 | DEBUG ((DEBUG_ERROR, "\nSMM: SmmCpuIo Arch Protocol not present!!\n"));\r | |
386 | }\r | |
387 | DEBUG_CODE_END ();\r | |
388 | \r | |
389 | //\r | |
390 | // Assert if the CPU I/O 2 Protocol is not installed\r | |
391 | //\r | |
392 | ASSERT_EFI_ERROR (Status);\r | |
393 | \r | |
394 | //\r | |
395 | // Display any drivers that were not dispatched because dependency expression\r | |
396 | // evaluated to false if this is a debug build\r | |
397 | //\r | |
398 | DEBUG_CODE_BEGIN ();\r | |
399 | SmmDisplayDiscoveredNotDispatched ();\r | |
400 | DEBUG_CODE_END ();\r | |
401 | \r | |
402 | //\r | |
403 | // Not allowed to use gST or gBS after lock\r | |
404 | //\r | |
405 | gST = NULL;\r | |
406 | gBS = NULL;\r | |
407 | \r | |
84edd20b SZ |
408 | SmramProfileReadyToLock ();\r |
409 | \r | |
e42e9404 | 410 | return Status;\r |
411 | }\r | |
412 | \r | |
46ece1ff JY |
413 | /**\r |
414 | Software SMI handler that is called when the EndOfDxe event is signalled.\r | |
415 | This function installs the SMM EndOfDxe Protocol so SMM Drivers are informed that\r | |
416 | platform code will invoke 3rd part code.\r | |
417 | \r | |
418 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
419 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
420 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
421 | be conveyed from a non-SMM environment into an SMM environment.\r | |
422 | @param CommBufferSize The size of the CommBuffer.\r | |
423 | \r | |
424 | @return Status Code\r | |
425 | \r | |
426 | **/\r | |
427 | EFI_STATUS\r | |
428 | EFIAPI\r | |
429 | SmmEndOfDxeHandler (\r | |
430 | IN EFI_HANDLE DispatchHandle,\r | |
431 | IN CONST VOID *Context, OPTIONAL\r | |
432 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
433 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
434 | )\r | |
435 | {\r | |
b36acb21 SZ |
436 | EFI_STATUS Status;\r |
437 | EFI_HANDLE SmmHandle;\r | |
438 | EFI_SMM_SX_DISPATCH2_PROTOCOL *SxDispatch;\r | |
439 | EFI_SMM_SX_REGISTER_CONTEXT EntryRegisterContext;\r | |
440 | EFI_HANDLE S3EntryHandle;\r | |
46ece1ff JY |
441 | \r |
442 | DEBUG ((EFI_D_INFO, "SmmEndOfDxeHandler\n"));\r | |
b36acb21 | 443 | \r |
46ece1ff JY |
444 | //\r |
445 | // Install SMM EndOfDxe protocol\r | |
446 | //\r | |
447 | SmmHandle = NULL;\r | |
448 | Status = SmmInstallProtocolInterface (\r | |
449 | &SmmHandle,\r | |
450 | &gEfiSmmEndOfDxeProtocolGuid,\r | |
451 | EFI_NATIVE_INTERFACE,\r | |
452 | NULL\r | |
453 | );\r | |
b36acb21 | 454 | \r |
bb2c9ccb | 455 | if (mAcpiS3Enable) {\r |
b36acb21 | 456 | //\r |
bb2c9ccb | 457 | // Locate SmmSxDispatch2 protocol.\r |
b36acb21 | 458 | //\r |
bb2c9ccb ED |
459 | Status = SmmLocateProtocol (\r |
460 | &gEfiSmmSxDispatch2ProtocolGuid,\r | |
461 | NULL,\r | |
462 | (VOID **)&SxDispatch\r | |
463 | );\r | |
464 | if (!EFI_ERROR (Status) && (SxDispatch != NULL)) {\r | |
465 | //\r | |
466 | // Register a S3 entry callback function to\r | |
467 | // determine if it will be during S3 resume.\r | |
468 | //\r | |
469 | EntryRegisterContext.Type = SxS3;\r | |
470 | EntryRegisterContext.Phase = SxEntry;\r | |
471 | Status = SxDispatch->Register (\r | |
472 | SxDispatch,\r | |
473 | SmmS3EntryCallBack,\r | |
474 | &EntryRegisterContext,\r | |
475 | &S3EntryHandle\r | |
476 | );\r | |
477 | ASSERT_EFI_ERROR (Status);\r | |
478 | }\r | |
b36acb21 SZ |
479 | }\r |
480 | \r | |
481 | return EFI_SUCCESS;\r | |
46ece1ff JY |
482 | }\r |
483 | \r | |
1bae3e0e SZ |
484 | /**\r |
485 | Software SMI handler that is called when the S3SmmInitDone signal is triggered.\r | |
486 | This function installs the SMM S3SmmInitDone Protocol so SMM Drivers are informed that\r | |
487 | S3 SMM initialization has been done.\r | |
488 | \r | |
489 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
490 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
491 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
492 | be conveyed from a non-SMM environment into an SMM environment.\r | |
493 | @param CommBufferSize The size of the CommBuffer.\r | |
494 | \r | |
495 | @return Status Code\r | |
496 | \r | |
497 | **/\r | |
498 | EFI_STATUS\r | |
499 | EFIAPI\r | |
500 | SmmS3SmmInitDoneHandler (\r | |
501 | IN EFI_HANDLE DispatchHandle,\r | |
502 | IN CONST VOID *Context, OPTIONAL\r | |
503 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
504 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
505 | )\r | |
506 | {\r | |
507 | EFI_STATUS Status;\r | |
508 | EFI_HANDLE SmmHandle;\r | |
509 | \r | |
510 | DEBUG ((DEBUG_INFO, "SmmS3SmmInitDoneHandler\n"));\r | |
511 | \r | |
512 | if (!mDuringS3Resume) {\r | |
513 | DEBUG ((DEBUG_ERROR, "It is not during S3 resume\n"));\r | |
514 | return EFI_SUCCESS;\r | |
515 | }\r | |
516 | \r | |
517 | //\r | |
518 | // Install SMM S3SmmInitDone protocol\r | |
519 | //\r | |
520 | SmmHandle = NULL;\r | |
521 | Status = SmmInstallProtocolInterface (\r | |
522 | &SmmHandle,\r | |
523 | &gEdkiiS3SmmInitDoneGuid,\r | |
524 | EFI_NATIVE_INTERFACE,\r | |
525 | NULL\r | |
526 | );\r | |
527 | ASSERT_EFI_ERROR (Status);\r | |
528 | \r | |
529 | //\r | |
530 | // Uninstall the protocol here because the comsumer just hook the\r | |
531 | // installation event.\r | |
532 | //\r | |
533 | Status = SmmUninstallProtocolInterface (\r | |
534 | SmmHandle,\r | |
535 | &gEdkiiS3SmmInitDoneGuid,\r | |
536 | NULL\r | |
537 | );\r | |
538 | ASSERT_EFI_ERROR (Status);\r | |
539 | \r | |
540 | return Status;\r | |
541 | }\r | |
542 | \r | |
d76c2da8 | 543 | /**\r |
a85e7127 | 544 | Software SMI handler that is called when the EndOfS3Resume signal is triggered.\r |
d76c2da8 ED |
545 | This function installs the SMM EndOfS3Resume Protocol so SMM Drivers are informed that\r |
546 | S3 resume has finished.\r | |
547 | \r | |
548 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
549 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
550 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
551 | be conveyed from a non-SMM environment into an SMM environment.\r | |
552 | @param CommBufferSize The size of the CommBuffer.\r | |
553 | \r | |
554 | @return Status Code\r | |
555 | \r | |
556 | **/\r | |
557 | EFI_STATUS\r | |
558 | EFIAPI\r | |
559 | SmmEndOfS3ResumeHandler (\r | |
560 | IN EFI_HANDLE DispatchHandle,\r | |
561 | IN CONST VOID *Context, OPTIONAL\r | |
562 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
563 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
564 | )\r | |
565 | {\r | |
566 | EFI_STATUS Status;\r | |
567 | EFI_HANDLE SmmHandle;\r | |
568 | \r | |
7b9b55b2 SZ |
569 | DEBUG ((DEBUG_INFO, "SmmEndOfS3ResumeHandler\n"));\r |
570 | \r | |
571 | if (!mDuringS3Resume) {\r | |
572 | DEBUG ((DEBUG_ERROR, "It is not during S3 resume\n"));\r | |
573 | return EFI_SUCCESS;\r | |
574 | }\r | |
d76c2da8 ED |
575 | \r |
576 | //\r | |
577 | // Install SMM EndOfS3Resume protocol\r | |
578 | //\r | |
579 | SmmHandle = NULL;\r | |
580 | Status = SmmInstallProtocolInterface (\r | |
581 | &SmmHandle,\r | |
a85e7127 | 582 | &gEdkiiEndOfS3ResumeGuid,\r |
d76c2da8 ED |
583 | EFI_NATIVE_INTERFACE,\r |
584 | NULL\r | |
585 | );\r | |
586 | ASSERT_EFI_ERROR (Status);\r | |
587 | \r | |
588 | //\r | |
a85e7127 | 589 | // Uninstall the protocol here because the comsumer just hook the\r |
d76c2da8 ED |
590 | // installation event.\r |
591 | //\r | |
592 | Status = SmmUninstallProtocolInterface (\r | |
593 | SmmHandle,\r | |
a85e7127 | 594 | &gEdkiiEndOfS3ResumeGuid,\r |
d76c2da8 ED |
595 | NULL\r |
596 | );\r | |
597 | ASSERT_EFI_ERROR (Status);\r | |
598 | \r | |
7b9b55b2 | 599 | mDuringS3Resume = FALSE;\r |
d76c2da8 ED |
600 | return Status;\r |
601 | }\r | |
602 | \r | |
3b657538 SZ |
603 | /**\r |
604 | Determine if two buffers overlap in memory.\r | |
605 | \r | |
606 | @param[in] Buff1 Pointer to first buffer\r | |
607 | @param[in] Size1 Size of Buff1\r | |
608 | @param[in] Buff2 Pointer to second buffer\r | |
609 | @param[in] Size2 Size of Buff2\r | |
610 | \r | |
611 | @retval TRUE Buffers overlap in memory.\r | |
612 | @retval FALSE Buffer doesn't overlap.\r | |
613 | \r | |
614 | **/\r | |
615 | BOOLEAN\r | |
616 | InternalIsBufferOverlapped (\r | |
617 | IN UINT8 *Buff1,\r | |
618 | IN UINTN Size1,\r | |
619 | IN UINT8 *Buff2,\r | |
620 | IN UINTN Size2\r | |
621 | )\r | |
622 | {\r | |
623 | //\r | |
624 | // If buff1's end is less than the start of buff2, then it's ok.\r | |
625 | // Also, if buff1's start is beyond buff2's end, then it's ok.\r | |
626 | //\r | |
627 | if (((Buff1 + Size1) <= Buff2) || (Buff1 >= (Buff2 + Size2))) {\r | |
628 | return FALSE;\r | |
629 | }\r | |
630 | \r | |
631 | return TRUE;\r | |
632 | }\r | |
633 | \r | |
e42e9404 | 634 | /**\r |
635 | The main entry point to SMM Foundation.\r | |
636 | \r | |
637 | Note: This function is only used by SMRAM invocation. It is never used by DXE invocation.\r | |
638 | \r | |
639 | @param SmmEntryContext Processor information and functionality\r | |
640 | needed by SMM Foundation.\r | |
641 | \r | |
642 | **/\r | |
643 | VOID\r | |
644 | EFIAPI\r | |
645 | SmmEntryPoint (\r | |
646 | IN CONST EFI_SMM_ENTRY_CONTEXT *SmmEntryContext\r | |
647 | )\r | |
648 | {\r | |
649 | EFI_STATUS Status;\r | |
650 | EFI_SMM_COMMUNICATE_HEADER *CommunicateHeader;\r | |
a25cb9f6 | 651 | BOOLEAN InLegacyBoot;\r |
3b657538 | 652 | BOOLEAN IsOverlapped;\r |
eaae7b33 JF |
653 | VOID *CommunicationBuffer;\r |
654 | UINTN BufferSize;\r | |
e42e9404 | 655 | \r |
656 | //\r | |
229fd9e7 | 657 | // Update SMST with contents of the SmmEntryContext structure\r |
e42e9404 | 658 | //\r |
229fd9e7 MK |
659 | gSmmCoreSmst.SmmStartupThisAp = SmmEntryContext->SmmStartupThisAp;\r |
660 | gSmmCoreSmst.CurrentlyExecutingCpu = SmmEntryContext->CurrentlyExecutingCpu;\r | |
661 | gSmmCoreSmst.NumberOfCpus = SmmEntryContext->NumberOfCpus;\r | |
662 | gSmmCoreSmst.CpuSaveStateSize = SmmEntryContext->CpuSaveStateSize;\r | |
663 | gSmmCoreSmst.CpuSaveState = SmmEntryContext->CpuSaveState;\r | |
e42e9404 | 664 | \r |
495797c5 | 665 | //\r |
666 | // Call platform hook before Smm Dispatch\r | |
667 | //\r | |
668 | PlatformHookBeforeSmmDispatch ();\r | |
669 | \r | |
e63da9f0 JW |
670 | //\r |
671 | // Call memory management hook function\r | |
672 | //\r | |
673 | SmmEntryPointMemoryManagementHook ();\r | |
674 | \r | |
e42e9404 | 675 | //\r |
676 | // If a legacy boot has occured, then make sure gSmmCorePrivate is not accessed\r | |
677 | //\r | |
a25cb9f6 | 678 | InLegacyBoot = mInLegacyBoot;\r |
679 | if (!InLegacyBoot) {\r | |
e42e9404 | 680 | //\r |
9fa90bb4 | 681 | // Mark the InSmm flag as TRUE, it will be used by SmmBase2 protocol\r |
e42e9404 | 682 | //\r |
9fa90bb4 | 683 | gSmmCorePrivate->InSmm = TRUE;\r |
e42e9404 | 684 | \r |
685 | //\r | |
d1102dba | 686 | // Check to see if this is a Synchronous SMI sent through the SMM Communication\r |
9fa90bb4 | 687 | // Protocol or an Asynchronous SMI\r |
e42e9404 | 688 | //\r |
eaae7b33 JF |
689 | CommunicationBuffer = gSmmCorePrivate->CommunicationBuffer;\r |
690 | BufferSize = gSmmCorePrivate->BufferSize;\r | |
691 | if (CommunicationBuffer != NULL) {\r | |
9fa90bb4 | 692 | //\r |
693 | // Synchronous SMI for SMM Core or request from Communicate protocol\r | |
694 | //\r | |
3b657538 | 695 | IsOverlapped = InternalIsBufferOverlapped (\r |
eaae7b33 JF |
696 | (UINT8 *) CommunicationBuffer,\r |
697 | BufferSize,\r | |
3b657538 SZ |
698 | (UINT8 *) gSmmCorePrivate,\r |
699 | sizeof (*gSmmCorePrivate)\r | |
700 | );\r | |
eaae7b33 | 701 | if (!SmmIsBufferOutsideSmmValid ((UINTN)CommunicationBuffer, BufferSize) || IsOverlapped) {\r |
3720ee6d | 702 | //\r |
3b657538 SZ |
703 | // If CommunicationBuffer is not in valid address scope,\r |
704 | // or there is overlap between gSmmCorePrivate and CommunicationBuffer,\r | |
705 | // return EFI_INVALID_PARAMETER\r | |
3720ee6d JF |
706 | //\r |
707 | gSmmCorePrivate->CommunicationBuffer = NULL;\r | |
d1632f69 | 708 | gSmmCorePrivate->ReturnStatus = EFI_ACCESS_DENIED;\r |
3720ee6d | 709 | } else {\r |
eaae7b33 JF |
710 | CommunicateHeader = (EFI_SMM_COMMUNICATE_HEADER *)CommunicationBuffer;\r |
711 | BufferSize -= OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data);\r | |
3720ee6d | 712 | Status = SmiManage (\r |
d1102dba LG |
713 | &CommunicateHeader->HeaderGuid,\r |
714 | NULL,\r | |
715 | CommunicateHeader->Data,\r | |
eaae7b33 | 716 | &BufferSize\r |
3720ee6d JF |
717 | );\r |
718 | //\r | |
719 | // Update CommunicationBuffer, BufferSize and ReturnStatus\r | |
720 | // Communicate service finished, reset the pointer to CommBuffer to NULL\r | |
721 | //\r | |
eaae7b33 | 722 | gSmmCorePrivate->BufferSize = BufferSize + OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data);\r |
3720ee6d JF |
723 | gSmmCorePrivate->CommunicationBuffer = NULL;\r |
724 | gSmmCorePrivate->ReturnStatus = (Status == EFI_SUCCESS) ? EFI_SUCCESS : EFI_NOT_FOUND;\r | |
725 | }\r | |
9fa90bb4 | 726 | }\r |
e42e9404 | 727 | }\r |
9fa90bb4 | 728 | \r |
729 | //\r | |
730 | // Process Asynchronous SMI sources\r | |
731 | //\r | |
732 | SmiManage (NULL, NULL, NULL, NULL);\r | |
d1102dba | 733 | \r |
495797c5 | 734 | //\r |
735 | // Call platform hook after Smm Dispatch\r | |
736 | //\r | |
737 | PlatformHookAfterSmmDispatch ();\r | |
e42e9404 | 738 | \r |
739 | //\r | |
9fa90bb4 | 740 | // If a legacy boot has occured, then make sure gSmmCorePrivate is not accessed\r |
e42e9404 | 741 | //\r |
a25cb9f6 | 742 | if (!InLegacyBoot) {\r |
9fa90bb4 | 743 | //\r |
744 | // Clear the InSmm flag as we are going to leave SMM\r | |
745 | //\r | |
746 | gSmmCorePrivate->InSmm = FALSE;\r | |
747 | }\r | |
e42e9404 | 748 | }\r |
749 | \r | |
0b256fb1 JY |
750 | /**\r |
751 | Install LoadedImage protocol for SMM Core.\r | |
752 | **/\r | |
753 | VOID\r | |
754 | SmmCoreInstallLoadedImage (\r | |
755 | VOID\r | |
756 | )\r | |
757 | {\r | |
758 | EFI_STATUS Status;\r | |
759 | EFI_HANDLE Handle;\r | |
760 | \r | |
761 | //\r | |
762 | // Allocate a Loaded Image Protocol in EfiBootServicesData\r | |
763 | //\r | |
764 | Status = gBS->AllocatePool (EfiBootServicesData, sizeof(EFI_LOADED_IMAGE_PROTOCOL), (VOID **)&mSmmCoreLoadedImage);\r | |
765 | ASSERT_EFI_ERROR (Status);\r | |
766 | \r | |
767 | ZeroMem (mSmmCoreLoadedImage, sizeof (EFI_LOADED_IMAGE_PROTOCOL));\r | |
768 | //\r | |
769 | // Fill in the remaining fields of the Loaded Image Protocol instance.\r | |
770 | // Note: ImageBase is an SMRAM address that can not be accessed outside of SMRAM if SMRAM window is closed.\r | |
771 | //\r | |
772 | mSmmCoreLoadedImage->Revision = EFI_LOADED_IMAGE_PROTOCOL_REVISION;\r | |
773 | mSmmCoreLoadedImage->ParentHandle = gSmmCorePrivate->SmmIplImageHandle;\r | |
774 | mSmmCoreLoadedImage->SystemTable = gST;\r | |
775 | \r | |
776 | mSmmCoreLoadedImage->ImageBase = (VOID *)(UINTN)gSmmCorePrivate->PiSmmCoreImageBase;\r | |
777 | mSmmCoreLoadedImage->ImageSize = gSmmCorePrivate->PiSmmCoreImageSize;\r | |
778 | mSmmCoreLoadedImage->ImageCodeType = EfiRuntimeServicesCode;\r | |
779 | mSmmCoreLoadedImage->ImageDataType = EfiRuntimeServicesData;\r | |
780 | \r | |
781 | //\r | |
782 | // Create a new image handle in the UEFI handle database for the SMM Driver\r | |
783 | //\r | |
784 | Handle = NULL;\r | |
785 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
786 | &Handle,\r | |
787 | &gEfiLoadedImageProtocolGuid, mSmmCoreLoadedImage,\r | |
788 | NULL\r | |
789 | );\r | |
790 | ASSERT_EFI_ERROR (Status);\r | |
791 | \r | |
285a682c JY |
792 | //\r |
793 | // Allocate a Loaded Image Protocol in SMM\r | |
794 | //\r | |
795 | Status = SmmAllocatePool (EfiRuntimeServicesData, sizeof(EFI_SMM_DRIVER_ENTRY), (VOID **)&mSmmCoreDriverEntry);\r | |
796 | ASSERT_EFI_ERROR(Status);\r | |
797 | \r | |
798 | ZeroMem (mSmmCoreDriverEntry, sizeof(EFI_SMM_DRIVER_ENTRY));\r | |
799 | //\r | |
800 | // Fill in the remaining fields of the Loaded Image Protocol instance.\r | |
801 | //\r | |
802 | mSmmCoreDriverEntry->Signature = EFI_SMM_DRIVER_ENTRY_SIGNATURE;\r | |
803 | mSmmCoreDriverEntry->SmmLoadedImage.Revision = EFI_LOADED_IMAGE_PROTOCOL_REVISION;\r | |
804 | mSmmCoreDriverEntry->SmmLoadedImage.ParentHandle = gSmmCorePrivate->SmmIplImageHandle;\r | |
805 | mSmmCoreDriverEntry->SmmLoadedImage.SystemTable = gST;\r | |
806 | \r | |
807 | mSmmCoreDriverEntry->SmmLoadedImage.ImageBase = (VOID *)(UINTN)gSmmCorePrivate->PiSmmCoreImageBase;\r | |
808 | mSmmCoreDriverEntry->SmmLoadedImage.ImageSize = gSmmCorePrivate->PiSmmCoreImageSize;\r | |
809 | mSmmCoreDriverEntry->SmmLoadedImage.ImageCodeType = EfiRuntimeServicesCode;\r | |
810 | mSmmCoreDriverEntry->SmmLoadedImage.ImageDataType = EfiRuntimeServicesData;\r | |
811 | \r | |
812 | mSmmCoreDriverEntry->ImageEntryPoint = gSmmCorePrivate->PiSmmCoreEntryPoint;\r | |
813 | mSmmCoreDriverEntry->ImageBuffer = gSmmCorePrivate->PiSmmCoreImageBase;\r | |
814 | mSmmCoreDriverEntry->NumberOfPage = EFI_SIZE_TO_PAGES((UINTN)gSmmCorePrivate->PiSmmCoreImageSize);\r | |
815 | \r | |
816 | //\r | |
817 | // Create a new image handle in the SMM handle database for the SMM Driver\r | |
818 | //\r | |
819 | mSmmCoreDriverEntry->SmmImageHandle = NULL;\r | |
820 | Status = SmmInstallProtocolInterface (\r | |
821 | &mSmmCoreDriverEntry->SmmImageHandle,\r | |
822 | &gEfiLoadedImageProtocolGuid,\r | |
823 | EFI_NATIVE_INTERFACE,\r | |
824 | &mSmmCoreDriverEntry->SmmLoadedImage\r | |
825 | );\r | |
826 | ASSERT_EFI_ERROR(Status);\r | |
827 | \r | |
0b256fb1 JY |
828 | return ;\r |
829 | }\r | |
830 | \r | |
e42e9404 | 831 | /**\r |
832 | The Entry Point for SMM Core\r | |
833 | \r | |
d1102dba | 834 | Install DXE Protocols and reload SMM Core into SMRAM and register SMM Core\r |
e42e9404 | 835 | EntryPoint on the SMI vector.\r |
836 | \r | |
837 | Note: This function is called for both DXE invocation and SMRAM invocation.\r | |
838 | \r | |
839 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
840 | @param SystemTable A pointer to the EFI System Table.\r | |
841 | \r | |
842 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
843 | @retval Other Some error occurred when executing this entry point.\r | |
844 | \r | |
845 | **/\r | |
846 | EFI_STATUS\r | |
847 | EFIAPI\r | |
848 | SmmMain (\r | |
849 | IN EFI_HANDLE ImageHandle,\r | |
850 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
851 | )\r | |
852 | {\r | |
853 | EFI_STATUS Status;\r | |
854 | UINTN Index;\r | |
855 | \r | |
856 | //\r | |
857 | // Get SMM Core Private context passed in from SMM IPL in ImageHandle.\r | |
858 | //\r | |
859 | gSmmCorePrivate = (SMM_CORE_PRIVATE_DATA *)ImageHandle;\r | |
860 | \r | |
861 | //\r | |
862 | // Fill in SMRAM physical address for the SMM Services Table and the SMM Entry Point.\r | |
863 | //\r | |
864 | gSmmCorePrivate->Smst = &gSmmCoreSmst;\r | |
865 | gSmmCorePrivate->SmmEntryPoint = SmmEntryPoint;\r | |
e63da9f0 | 866 | \r |
e42e9404 | 867 | //\r |
842b1242 JY |
868 | // No need to initialize memory service.\r |
869 | // It is done in constructor of PiSmmCoreMemoryAllocationLib(),\r | |
870 | // so that the library linked with PiSmmCore can use AllocatePool() in constuctor.\r | |
e42e9404 | 871 | //\r |
e42e9404 | 872 | \r |
84edd20b SZ |
873 | SmramProfileInit ();\r |
874 | \r | |
875 | //\r | |
876 | // Copy FullSmramRanges to SMRAM\r | |
877 | //\r | |
c03beb76 | 878 | mFullSmramRangeCount = gSmmCorePrivate->SmramRangeCount;\r |
84edd20b SZ |
879 | mFullSmramRanges = AllocatePool (mFullSmramRangeCount * sizeof (EFI_SMRAM_DESCRIPTOR));\r |
880 | ASSERT (mFullSmramRanges != NULL);\r | |
c03beb76 | 881 | CopyMem (mFullSmramRanges, gSmmCorePrivate->SmramRanges, mFullSmramRangeCount * sizeof (EFI_SMRAM_DESCRIPTOR));\r |
84edd20b | 882 | \r |
e42e9404 | 883 | //\r |
884 | // Register all SMI Handlers required by the SMM Core\r | |
885 | //\r | |
886 | for (Index = 0; mSmmCoreSmiHandlers[Index].HandlerType != NULL; Index++) {\r | |
887 | Status = SmiHandlerRegister (\r | |
888 | mSmmCoreSmiHandlers[Index].Handler,\r | |
889 | mSmmCoreSmiHandlers[Index].HandlerType,\r | |
890 | &mSmmCoreSmiHandlers[Index].DispatchHandle\r | |
891 | );\r | |
892 | ASSERT_EFI_ERROR (Status);\r | |
893 | }\r | |
84edd20b | 894 | \r |
bb2c9ccb ED |
895 | mAcpiS3Enable = PcdGetBool (PcdAcpiS3Enable);\r |
896 | if (mAcpiS3Enable) {\r | |
897 | //\r | |
898 | // Register all S3 related SMI Handlers required by the SMM Core\r | |
899 | //\r | |
900 | for (Index = 0; mSmmCoreS3SmiHandlers[Index].HandlerType != NULL; Index++) {\r | |
901 | Status = SmiHandlerRegister (\r | |
902 | mSmmCoreS3SmiHandlers[Index].Handler,\r | |
903 | mSmmCoreS3SmiHandlers[Index].HandlerType,\r | |
904 | &mSmmCoreS3SmiHandlers[Index].DispatchHandle\r | |
905 | );\r | |
906 | ASSERT_EFI_ERROR (Status);\r | |
907 | }\r | |
908 | }\r | |
909 | \r | |
84edd20b | 910 | RegisterSmramProfileHandler ();\r |
e524f680 | 911 | SmramProfileInstallProtocol ();\r |
84edd20b | 912 | \r |
0b256fb1 JY |
913 | SmmCoreInstallLoadedImage ();\r |
914 | \r | |
285a682c JY |
915 | SmmCoreInitializeMemoryAttributesTable ();\r |
916 | \r | |
ca41f3f4 JY |
917 | SmmCoreInitializeSmiHandlerProfile ();\r |
918 | \r | |
e42e9404 | 919 | return EFI_SUCCESS;\r |
920 | }\r |