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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 |
d1102dba LG |
5 | This program and the accompanying materials are licensed and made available\r |
6 | under the terms and conditions of the BSD License which accompanies this\r | |
7 | distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
e42e9404 | 9 | \r |
d1102dba LG |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
e42e9404 | 12 | \r |
13 | **/\r | |
14 | \r | |
15 | #include "PiSmmCore.h"\r | |
16 | \r | |
17 | //\r | |
18 | // Physical pointer to private structure shared between SMM IPL and the SMM Core\r | |
19 | //\r | |
20 | SMM_CORE_PRIVATE_DATA *gSmmCorePrivate;\r | |
21 | \r | |
22 | //\r | |
23 | // SMM Core global variable for SMM System Table. Only accessed as a physical structure in SMRAM.\r | |
24 | //\r | |
25 | EFI_SMM_SYSTEM_TABLE2 gSmmCoreSmst = {\r | |
26 | {\r | |
27 | SMM_SMST_SIGNATURE,\r | |
28 | EFI_SMM_SYSTEM_TABLE2_REVISION,\r | |
29 | sizeof (gSmmCoreSmst.Hdr)\r | |
30 | },\r | |
31 | NULL, // SmmFirmwareVendor\r | |
32 | 0, // SmmFirmwareRevision\r | |
33 | SmmInstallConfigurationTable,\r | |
34 | {\r | |
35 | {\r | |
36 | (EFI_SMM_CPU_IO2) SmmEfiNotAvailableYetArg5, // SmmMemRead\r | |
37 | (EFI_SMM_CPU_IO2) SmmEfiNotAvailableYetArg5 // SmmMemWrite\r | |
38 | },\r | |
39 | {\r | |
40 | (EFI_SMM_CPU_IO2) SmmEfiNotAvailableYetArg5, // SmmIoRead\r | |
41 | (EFI_SMM_CPU_IO2) SmmEfiNotAvailableYetArg5 // SmmIoWrite\r | |
42 | }\r | |
43 | },\r | |
44 | SmmAllocatePool,\r | |
45 | SmmFreePool,\r | |
46 | SmmAllocatePages,\r | |
47 | SmmFreePages,\r | |
48 | NULL, // SmmStartupThisAp\r | |
49 | 0, // CurrentlyExecutingCpu\r | |
50 | 0, // NumberOfCpus\r | |
51 | NULL, // CpuSaveStateSize\r | |
52 | NULL, // CpuSaveState\r | |
53 | 0, // NumberOfTableEntries\r | |
54 | NULL, // SmmConfigurationTable\r | |
55 | SmmInstallProtocolInterface,\r | |
56 | SmmUninstallProtocolInterface,\r | |
57 | SmmHandleProtocol,\r | |
58 | SmmRegisterProtocolNotify,\r | |
59 | SmmLocateHandle,\r | |
60 | SmmLocateProtocol,\r | |
61 | SmiManage,\r | |
62 | SmiHandlerRegister,\r | |
63 | SmiHandlerUnRegister\r | |
64 | };\r | |
65 | \r | |
66 | //\r | |
67 | // Flag to determine if the platform has performed a legacy boot.\r | |
d1102dba | 68 | // If this flag is TRUE, then the runtime code and runtime data associated with the\r |
53ec4d7f | 69 | // SMM IPL are converted to free memory, so the SMM Core must guarantee that is\r |
e42e9404 | 70 | // does not touch of the code/data associated with the SMM IPL if this flag is TRUE.\r |
71 | //\r | |
72 | BOOLEAN mInLegacyBoot = FALSE;\r | |
73 | \r | |
7b9b55b2 SZ |
74 | //\r |
75 | // Flag to determine if it is during S3 resume.\r | |
76 | // It will be set in S3 entry callback and cleared at EndOfS3Resume.\r | |
77 | //\r | |
78 | BOOLEAN mDuringS3Resume = FALSE;\r | |
79 | \r | |
bb2c9ccb ED |
80 | //\r |
81 | // Flag to determine if platform enabled S3.\r | |
82 | // Get the value from PcdAcpiS3Enable.\r | |
83 | //\r | |
84 | BOOLEAN mAcpiS3Enable = FALSE;\r | |
85 | \r | |
e42e9404 | 86 | //\r |
87 | // Table of SMI Handlers that are registered by the SMM Core when it is initialized\r | |
88 | //\r | |
89 | SMM_CORE_SMI_HANDLERS mSmmCoreSmiHandlers[] = {\r | |
d76c2da8 | 90 | { SmmDriverDispatchHandler, &gEfiEventDxeDispatchGuid, NULL, TRUE },\r |
d1102dba | 91 | { SmmReadyToLockHandler, &gEfiDxeSmmReadyToLockProtocolGuid, NULL, TRUE },\r |
d76c2da8 ED |
92 | { SmmLegacyBootHandler, &gEfiEventLegacyBootGuid, NULL, FALSE },\r |
93 | { SmmExitBootServicesHandler, &gEfiEventExitBootServicesGuid, NULL, FALSE },\r | |
94 | { SmmReadyToBootHandler, &gEfiEventReadyToBootGuid, NULL, FALSE },\r | |
95 | { SmmEndOfDxeHandler, &gEfiEndOfDxeEventGroupGuid, NULL, TRUE },\r | |
bb2c9ccb ED |
96 | { NULL, NULL, NULL, FALSE }\r |
97 | };\r | |
98 | \r | |
99 | //\r | |
100 | // Table of SMI Handlers that are registered by the SMM Core when it is initialized\r | |
101 | //\r | |
102 | SMM_CORE_SMI_HANDLERS mSmmCoreS3SmiHandlers[] = {\r | |
1bae3e0e | 103 | { SmmS3SmmInitDoneHandler, &gEdkiiS3SmmInitDoneGuid, NULL, FALSE },\r |
a85e7127 | 104 | { SmmEndOfS3ResumeHandler, &gEdkiiEndOfS3ResumeGuid, NULL, FALSE },\r |
d76c2da8 | 105 | { NULL, NULL, NULL, FALSE }\r |
e42e9404 | 106 | };\r |
107 | \r | |
84edd20b SZ |
108 | UINTN mFullSmramRangeCount;\r |
109 | EFI_SMRAM_DESCRIPTOR *mFullSmramRanges;\r | |
110 | \r | |
285a682c JY |
111 | EFI_SMM_DRIVER_ENTRY *mSmmCoreDriverEntry;\r |
112 | \r | |
0b256fb1 JY |
113 | EFI_LOADED_IMAGE_PROTOCOL *mSmmCoreLoadedImage;\r |
114 | \r | |
e42e9404 | 115 | /**\r |
116 | Place holder function until all the SMM System Table Service are available.\r | |
117 | \r | |
118 | Note: This function is only used by SMRAM invocation. It is never used by DXE invocation.\r | |
119 | \r | |
120 | @param Arg1 Undefined\r | |
121 | @param Arg2 Undefined\r | |
122 | @param Arg3 Undefined\r | |
123 | @param Arg4 Undefined\r | |
124 | @param Arg5 Undefined\r | |
125 | \r | |
126 | @return EFI_NOT_AVAILABLE_YET\r | |
127 | \r | |
128 | **/\r | |
129 | EFI_STATUS\r | |
130 | EFIAPI\r | |
131 | SmmEfiNotAvailableYetArg5 (\r | |
132 | UINTN Arg1,\r | |
133 | UINTN Arg2,\r | |
134 | UINTN Arg3,\r | |
135 | UINTN Arg4,\r | |
136 | UINTN Arg5\r | |
137 | )\r | |
138 | {\r | |
139 | //\r | |
140 | // This function should never be executed. If it does, then the architectural protocols\r | |
141 | // have not been designed correctly.\r | |
142 | //\r | |
143 | return EFI_NOT_AVAILABLE_YET;\r | |
144 | }\r | |
145 | \r | |
146 | /**\r | |
147 | Software SMI handler that is called when a Legacy Boot event is signalled. The SMM\r | |
d1102dba | 148 | Core uses this signal to know that a Legacy Boot has been performed and that\r |
e42e9404 | 149 | gSmmCorePrivate that is shared between the UEFI and SMM execution environments can\r |
150 | not be accessed from SMM anymore since that structure is considered free memory by\r | |
53ec4d7f SZ |
151 | a legacy OS. Then the SMM Core also install SMM Legacy Boot protocol to notify SMM\r |
152 | driver that system enter legacy boot.\r | |
e42e9404 | 153 | \r |
154 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
155 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
156 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
157 | be conveyed from a non-SMM environment into an SMM environment.\r | |
158 | @param CommBufferSize The size of the CommBuffer.\r | |
159 | \r | |
160 | @return Status Code\r | |
161 | \r | |
162 | **/\r | |
163 | EFI_STATUS\r | |
164 | EFIAPI\r | |
165 | SmmLegacyBootHandler (\r | |
166 | IN EFI_HANDLE DispatchHandle,\r | |
167 | IN CONST VOID *Context, OPTIONAL\r | |
168 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
169 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
170 | )\r | |
171 | {\r | |
53ec4d7f SZ |
172 | EFI_STATUS Status;\r |
173 | EFI_HANDLE SmmHandle;\r | |
c6ded48c | 174 | UINTN Index;\r |
53ec4d7f SZ |
175 | \r |
176 | //\r | |
177 | // Install SMM Legacy Boot protocol.\r | |
178 | //\r | |
179 | SmmHandle = NULL;\r | |
180 | Status = SmmInstallProtocolInterface (\r | |
181 | &SmmHandle,\r | |
182 | &gEdkiiSmmLegacyBootProtocolGuid,\r | |
183 | EFI_NATIVE_INTERFACE,\r | |
184 | NULL\r | |
185 | );\r | |
186 | \r | |
e42e9404 | 187 | mInLegacyBoot = TRUE;\r |
53ec4d7f SZ |
188 | \r |
189 | SmiHandlerUnRegister (DispatchHandle);\r | |
190 | \r | |
c6ded48c SZ |
191 | //\r |
192 | // It is legacy boot, unregister ExitBootService SMI handler.\r | |
193 | //\r | |
194 | for (Index = 0; mSmmCoreSmiHandlers[Index].HandlerType != NULL; Index++) {\r | |
195 | if (CompareGuid (mSmmCoreSmiHandlers[Index].HandlerType, &gEfiEventExitBootServicesGuid)) {\r | |
196 | SmiHandlerUnRegister (mSmmCoreSmiHandlers[Index].DispatchHandle);\r | |
197 | break;\r | |
198 | }\r | |
199 | }\r | |
200 | \r | |
53ec4d7f SZ |
201 | return Status;\r |
202 | }\r | |
203 | \r | |
204 | /**\r | |
205 | Software SMI handler that is called when an Exit Boot Services event is signalled.\r | |
206 | Then the SMM Core also install SMM Exit Boot Services protocol to notify SMM driver\r | |
207 | that system enter exit boot services.\r | |
208 | \r | |
209 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
210 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
211 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
212 | be conveyed from a non-SMM environment into an SMM environment.\r | |
213 | @param CommBufferSize The size of the CommBuffer.\r | |
214 | \r | |
215 | @return Status Code\r | |
216 | \r | |
217 | **/\r | |
218 | EFI_STATUS\r | |
219 | EFIAPI\r | |
220 | SmmExitBootServicesHandler (\r | |
221 | IN EFI_HANDLE DispatchHandle,\r | |
222 | IN CONST VOID *Context, OPTIONAL\r | |
223 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
224 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
225 | )\r | |
226 | {\r | |
227 | EFI_STATUS Status;\r | |
228 | EFI_HANDLE SmmHandle;\r | |
c6ded48c | 229 | UINTN Index;\r |
53ec4d7f SZ |
230 | \r |
231 | //\r | |
232 | // Install SMM Exit Boot Services protocol.\r | |
233 | //\r | |
234 | SmmHandle = NULL;\r | |
235 | Status = SmmInstallProtocolInterface (\r | |
236 | &SmmHandle,\r | |
237 | &gEdkiiSmmExitBootServicesProtocolGuid,\r | |
238 | EFI_NATIVE_INTERFACE,\r | |
239 | NULL\r | |
240 | );\r | |
241 | \r | |
242 | SmiHandlerUnRegister (DispatchHandle);\r | |
243 | \r | |
c6ded48c SZ |
244 | //\r |
245 | // It is UEFI boot, unregister LegacyBoot SMI handler.\r | |
246 | //\r | |
247 | for (Index = 0; mSmmCoreSmiHandlers[Index].HandlerType != NULL; Index++) {\r | |
248 | if (CompareGuid (mSmmCoreSmiHandlers[Index].HandlerType, &gEfiEventLegacyBootGuid)) {\r | |
249 | SmiHandlerUnRegister (mSmmCoreSmiHandlers[Index].DispatchHandle);\r | |
250 | break;\r | |
251 | }\r | |
252 | }\r | |
253 | \r | |
53ec4d7f SZ |
254 | return Status;\r |
255 | }\r | |
256 | \r | |
7b9b55b2 SZ |
257 | /**\r |
258 | Main entry point for an SMM handler dispatch or communicate-based callback.\r | |
259 | \r | |
260 | @param[in] DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
261 | @param[in] Context Points to an optional handler context which was specified when the\r | |
262 | handler was registered.\r | |
263 | @param[in,out] CommBuffer A pointer to a collection of data in memory that will\r | |
264 | be conveyed from a non-SMM environment into an SMM environment.\r | |
265 | @param[in,out] CommBufferSize The size of the CommBuffer.\r | |
266 | \r | |
267 | @retval EFI_SUCCESS The interrupt was handled and quiesced. No other handlers\r | |
268 | should still be called.\r | |
269 | @retval EFI_WARN_INTERRUPT_SOURCE_QUIESCED The interrupt has been quiesced but other handlers should\r | |
270 | still be called.\r | |
271 | @retval EFI_WARN_INTERRUPT_SOURCE_PENDING The interrupt is still pending and other handlers should still\r | |
272 | be called.\r | |
273 | @retval EFI_INTERRUPT_PENDING The interrupt could not be quiesced.\r | |
274 | **/\r | |
275 | EFI_STATUS\r | |
276 | EFIAPI\r | |
277 | SmmS3EntryCallBack (\r | |
278 | IN EFI_HANDLE DispatchHandle,\r | |
279 | IN CONST VOID *Context OPTIONAL,\r | |
280 | IN OUT VOID *CommBuffer OPTIONAL,\r | |
281 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
282 | )\r | |
283 | {\r | |
284 | mDuringS3Resume = TRUE;\r | |
285 | return EFI_SUCCESS;\r | |
286 | }\r | |
287 | \r | |
53ec4d7f SZ |
288 | /**\r |
289 | Software SMI handler that is called when an Ready To Boot event is signalled.\r | |
290 | Then the SMM Core also install SMM Ready To Boot protocol to notify SMM driver\r | |
291 | that system enter ready to boot.\r | |
292 | \r | |
293 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
294 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
295 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
296 | be conveyed from a non-SMM environment into an SMM environment.\r | |
297 | @param CommBufferSize The size of the CommBuffer.\r | |
298 | \r | |
299 | @return Status Code\r | |
300 | \r | |
301 | **/\r | |
302 | EFI_STATUS\r | |
303 | EFIAPI\r | |
304 | SmmReadyToBootHandler (\r | |
305 | IN EFI_HANDLE DispatchHandle,\r | |
306 | IN CONST VOID *Context, OPTIONAL\r | |
307 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
308 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
309 | )\r | |
310 | {\r | |
7b9b55b2 SZ |
311 | EFI_STATUS Status;\r |
312 | EFI_HANDLE SmmHandle;\r | |
53ec4d7f SZ |
313 | \r |
314 | //\r | |
315 | // Install SMM Ready To Boot protocol.\r | |
316 | //\r | |
317 | SmmHandle = NULL;\r | |
318 | Status = SmmInstallProtocolInterface (\r | |
319 | &SmmHandle,\r | |
320 | &gEdkiiSmmReadyToBootProtocolGuid,\r | |
321 | EFI_NATIVE_INTERFACE,\r | |
322 | NULL\r | |
323 | );\r | |
324 | \r | |
325 | SmiHandlerUnRegister (DispatchHandle);\r | |
326 | \r | |
b36acb21 | 327 | return Status;\r |
e42e9404 | 328 | }\r |
329 | \r | |
330 | /**\r | |
331 | Software SMI handler that is called when the DxeSmmReadyToLock protocol is added\r | |
d1102dba LG |
332 | or if gEfiEventReadyToBootGuid is signalled. This function unregisters the\r |
333 | Software SMIs that are nor required after SMRAM is locked and installs the\r | |
334 | SMM Ready To Lock Protocol so SMM Drivers are informed that SMRAM is about\r | |
2048c585 | 335 | to be locked. It also verifies the SMM CPU I/O 2 Protocol has been installed\r |
e42e9404 | 336 | and NULLs gBS and gST because they can not longer be used after SMRAM is locked.\r |
337 | \r | |
338 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
339 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
340 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
341 | be conveyed from a non-SMM environment into an SMM environment.\r | |
342 | @param CommBufferSize The size of the CommBuffer.\r | |
343 | \r | |
344 | @return Status Code\r | |
345 | \r | |
346 | **/\r | |
347 | EFI_STATUS\r | |
348 | EFIAPI\r | |
349 | SmmReadyToLockHandler (\r | |
350 | IN EFI_HANDLE DispatchHandle,\r | |
351 | IN CONST VOID *Context, OPTIONAL\r | |
352 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
353 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
354 | )\r | |
355 | {\r | |
356 | EFI_STATUS Status;\r | |
357 | UINTN Index;\r | |
358 | EFI_HANDLE SmmHandle;\r | |
359 | VOID *Interface;\r | |
360 | \r | |
361 | //\r | |
362 | // Unregister SMI Handlers that are no required after the SMM driver dispatch is stopped\r | |
363 | //\r | |
364 | for (Index = 0; mSmmCoreSmiHandlers[Index].HandlerType != NULL; Index++) {\r | |
365 | if (mSmmCoreSmiHandlers[Index].UnRegister) {\r | |
366 | SmiHandlerUnRegister (mSmmCoreSmiHandlers[Index].DispatchHandle);\r | |
367 | }\r | |
368 | }\r | |
369 | \r | |
370 | //\r | |
371 | // Install SMM Ready to lock protocol\r | |
372 | //\r | |
373 | SmmHandle = NULL;\r | |
374 | Status = SmmInstallProtocolInterface (\r | |
375 | &SmmHandle,\r | |
376 | &gEfiSmmReadyToLockProtocolGuid,\r | |
377 | EFI_NATIVE_INTERFACE,\r | |
378 | NULL\r | |
379 | );\r | |
380 | \r | |
381 | //\r | |
382 | // Make sure SMM CPU I/O 2 Procol has been installed into the handle database\r | |
383 | //\r | |
384 | Status = SmmLocateProtocol (&gEfiSmmCpuIo2ProtocolGuid, NULL, &Interface);\r | |
385 | \r | |
386 | //\r | |
387 | // Print a message on a debug build if the SMM CPU I/O 2 Protocol is not installed\r | |
388 | //\r | |
389 | DEBUG_CODE_BEGIN ();\r | |
390 | if (EFI_ERROR (Status)) {\r | |
391 | DEBUG ((DEBUG_ERROR, "\nSMM: SmmCpuIo Arch Protocol not present!!\n"));\r | |
392 | }\r | |
393 | DEBUG_CODE_END ();\r | |
394 | \r | |
395 | //\r | |
396 | // Assert if the CPU I/O 2 Protocol is not installed\r | |
397 | //\r | |
398 | ASSERT_EFI_ERROR (Status);\r | |
399 | \r | |
400 | //\r | |
401 | // Display any drivers that were not dispatched because dependency expression\r | |
402 | // evaluated to false if this is a debug build\r | |
403 | //\r | |
404 | DEBUG_CODE_BEGIN ();\r | |
405 | SmmDisplayDiscoveredNotDispatched ();\r | |
406 | DEBUG_CODE_END ();\r | |
407 | \r | |
408 | //\r | |
409 | // Not allowed to use gST or gBS after lock\r | |
410 | //\r | |
411 | gST = NULL;\r | |
412 | gBS = NULL;\r | |
413 | \r | |
84edd20b SZ |
414 | SmramProfileReadyToLock ();\r |
415 | \r | |
e42e9404 | 416 | return Status;\r |
417 | }\r | |
418 | \r | |
46ece1ff JY |
419 | /**\r |
420 | Software SMI handler that is called when the EndOfDxe event is signalled.\r | |
421 | This function installs the SMM EndOfDxe Protocol so SMM Drivers are informed that\r | |
422 | platform code will invoke 3rd part code.\r | |
423 | \r | |
424 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
425 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
426 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
427 | be conveyed from a non-SMM environment into an SMM environment.\r | |
428 | @param CommBufferSize The size of the CommBuffer.\r | |
429 | \r | |
430 | @return Status Code\r | |
431 | \r | |
432 | **/\r | |
433 | EFI_STATUS\r | |
434 | EFIAPI\r | |
435 | SmmEndOfDxeHandler (\r | |
436 | IN EFI_HANDLE DispatchHandle,\r | |
437 | IN CONST VOID *Context, OPTIONAL\r | |
438 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
439 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
440 | )\r | |
441 | {\r | |
b36acb21 SZ |
442 | EFI_STATUS Status;\r |
443 | EFI_HANDLE SmmHandle;\r | |
444 | EFI_SMM_SX_DISPATCH2_PROTOCOL *SxDispatch;\r | |
445 | EFI_SMM_SX_REGISTER_CONTEXT EntryRegisterContext;\r | |
446 | EFI_HANDLE S3EntryHandle;\r | |
46ece1ff JY |
447 | \r |
448 | DEBUG ((EFI_D_INFO, "SmmEndOfDxeHandler\n"));\r | |
b36acb21 | 449 | \r |
46ece1ff JY |
450 | //\r |
451 | // Install SMM EndOfDxe protocol\r | |
452 | //\r | |
453 | SmmHandle = NULL;\r | |
454 | Status = SmmInstallProtocolInterface (\r | |
455 | &SmmHandle,\r | |
456 | &gEfiSmmEndOfDxeProtocolGuid,\r | |
457 | EFI_NATIVE_INTERFACE,\r | |
458 | NULL\r | |
459 | );\r | |
b36acb21 | 460 | \r |
bb2c9ccb | 461 | if (mAcpiS3Enable) {\r |
b36acb21 | 462 | //\r |
bb2c9ccb | 463 | // Locate SmmSxDispatch2 protocol.\r |
b36acb21 | 464 | //\r |
bb2c9ccb ED |
465 | Status = SmmLocateProtocol (\r |
466 | &gEfiSmmSxDispatch2ProtocolGuid,\r | |
467 | NULL,\r | |
468 | (VOID **)&SxDispatch\r | |
469 | );\r | |
470 | if (!EFI_ERROR (Status) && (SxDispatch != NULL)) {\r | |
471 | //\r | |
472 | // Register a S3 entry callback function to\r | |
473 | // determine if it will be during S3 resume.\r | |
474 | //\r | |
475 | EntryRegisterContext.Type = SxS3;\r | |
476 | EntryRegisterContext.Phase = SxEntry;\r | |
477 | Status = SxDispatch->Register (\r | |
478 | SxDispatch,\r | |
479 | SmmS3EntryCallBack,\r | |
480 | &EntryRegisterContext,\r | |
481 | &S3EntryHandle\r | |
482 | );\r | |
483 | ASSERT_EFI_ERROR (Status);\r | |
484 | }\r | |
b36acb21 SZ |
485 | }\r |
486 | \r | |
487 | return EFI_SUCCESS;\r | |
46ece1ff JY |
488 | }\r |
489 | \r | |
1bae3e0e SZ |
490 | /**\r |
491 | Software SMI handler that is called when the S3SmmInitDone signal is triggered.\r | |
492 | This function installs the SMM S3SmmInitDone Protocol so SMM Drivers are informed that\r | |
493 | S3 SMM initialization has been done.\r | |
494 | \r | |
495 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
496 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
497 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
498 | be conveyed from a non-SMM environment into an SMM environment.\r | |
499 | @param CommBufferSize The size of the CommBuffer.\r | |
500 | \r | |
501 | @return Status Code\r | |
502 | \r | |
503 | **/\r | |
504 | EFI_STATUS\r | |
505 | EFIAPI\r | |
506 | SmmS3SmmInitDoneHandler (\r | |
507 | IN EFI_HANDLE DispatchHandle,\r | |
508 | IN CONST VOID *Context, OPTIONAL\r | |
509 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
510 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
511 | )\r | |
512 | {\r | |
513 | EFI_STATUS Status;\r | |
514 | EFI_HANDLE SmmHandle;\r | |
515 | \r | |
516 | DEBUG ((DEBUG_INFO, "SmmS3SmmInitDoneHandler\n"));\r | |
517 | \r | |
518 | if (!mDuringS3Resume) {\r | |
519 | DEBUG ((DEBUG_ERROR, "It is not during S3 resume\n"));\r | |
520 | return EFI_SUCCESS;\r | |
521 | }\r | |
522 | \r | |
523 | //\r | |
524 | // Install SMM S3SmmInitDone protocol\r | |
525 | //\r | |
526 | SmmHandle = NULL;\r | |
527 | Status = SmmInstallProtocolInterface (\r | |
528 | &SmmHandle,\r | |
529 | &gEdkiiS3SmmInitDoneGuid,\r | |
530 | EFI_NATIVE_INTERFACE,\r | |
531 | NULL\r | |
532 | );\r | |
533 | ASSERT_EFI_ERROR (Status);\r | |
534 | \r | |
535 | //\r | |
536 | // Uninstall the protocol here because the comsumer just hook the\r | |
537 | // installation event.\r | |
538 | //\r | |
539 | Status = SmmUninstallProtocolInterface (\r | |
540 | SmmHandle,\r | |
541 | &gEdkiiS3SmmInitDoneGuid,\r | |
542 | NULL\r | |
543 | );\r | |
544 | ASSERT_EFI_ERROR (Status);\r | |
545 | \r | |
546 | return Status;\r | |
547 | }\r | |
548 | \r | |
d76c2da8 | 549 | /**\r |
a85e7127 | 550 | Software SMI handler that is called when the EndOfS3Resume signal is triggered.\r |
d76c2da8 ED |
551 | This function installs the SMM EndOfS3Resume Protocol so SMM Drivers are informed that\r |
552 | S3 resume has finished.\r | |
553 | \r | |
554 | @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r | |
555 | @param Context Points to an optional handler context which was specified when the handler was registered.\r | |
556 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
557 | be conveyed from a non-SMM environment into an SMM environment.\r | |
558 | @param CommBufferSize The size of the CommBuffer.\r | |
559 | \r | |
560 | @return Status Code\r | |
561 | \r | |
562 | **/\r | |
563 | EFI_STATUS\r | |
564 | EFIAPI\r | |
565 | SmmEndOfS3ResumeHandler (\r | |
566 | IN EFI_HANDLE DispatchHandle,\r | |
567 | IN CONST VOID *Context, OPTIONAL\r | |
568 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
569 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
570 | )\r | |
571 | {\r | |
572 | EFI_STATUS Status;\r | |
573 | EFI_HANDLE SmmHandle;\r | |
574 | \r | |
7b9b55b2 SZ |
575 | DEBUG ((DEBUG_INFO, "SmmEndOfS3ResumeHandler\n"));\r |
576 | \r | |
577 | if (!mDuringS3Resume) {\r | |
578 | DEBUG ((DEBUG_ERROR, "It is not during S3 resume\n"));\r | |
579 | return EFI_SUCCESS;\r | |
580 | }\r | |
d76c2da8 ED |
581 | \r |
582 | //\r | |
583 | // Install SMM EndOfS3Resume protocol\r | |
584 | //\r | |
585 | SmmHandle = NULL;\r | |
586 | Status = SmmInstallProtocolInterface (\r | |
587 | &SmmHandle,\r | |
a85e7127 | 588 | &gEdkiiEndOfS3ResumeGuid,\r |
d76c2da8 ED |
589 | EFI_NATIVE_INTERFACE,\r |
590 | NULL\r | |
591 | );\r | |
592 | ASSERT_EFI_ERROR (Status);\r | |
593 | \r | |
594 | //\r | |
a85e7127 | 595 | // Uninstall the protocol here because the comsumer just hook the\r |
d76c2da8 ED |
596 | // installation event.\r |
597 | //\r | |
598 | Status = SmmUninstallProtocolInterface (\r | |
599 | SmmHandle,\r | |
a85e7127 | 600 | &gEdkiiEndOfS3ResumeGuid,\r |
d76c2da8 ED |
601 | NULL\r |
602 | );\r | |
603 | ASSERT_EFI_ERROR (Status);\r | |
604 | \r | |
7b9b55b2 | 605 | mDuringS3Resume = FALSE;\r |
d76c2da8 ED |
606 | return Status;\r |
607 | }\r | |
608 | \r | |
3b657538 SZ |
609 | /**\r |
610 | Determine if two buffers overlap in memory.\r | |
611 | \r | |
612 | @param[in] Buff1 Pointer to first buffer\r | |
613 | @param[in] Size1 Size of Buff1\r | |
614 | @param[in] Buff2 Pointer to second buffer\r | |
615 | @param[in] Size2 Size of Buff2\r | |
616 | \r | |
617 | @retval TRUE Buffers overlap in memory.\r | |
618 | @retval FALSE Buffer doesn't overlap.\r | |
619 | \r | |
620 | **/\r | |
621 | BOOLEAN\r | |
622 | InternalIsBufferOverlapped (\r | |
623 | IN UINT8 *Buff1,\r | |
624 | IN UINTN Size1,\r | |
625 | IN UINT8 *Buff2,\r | |
626 | IN UINTN Size2\r | |
627 | )\r | |
628 | {\r | |
629 | //\r | |
630 | // If buff1's end is less than the start of buff2, then it's ok.\r | |
631 | // Also, if buff1's start is beyond buff2's end, then it's ok.\r | |
632 | //\r | |
633 | if (((Buff1 + Size1) <= Buff2) || (Buff1 >= (Buff2 + Size2))) {\r | |
634 | return FALSE;\r | |
635 | }\r | |
636 | \r | |
637 | return TRUE;\r | |
638 | }\r | |
639 | \r | |
e42e9404 | 640 | /**\r |
641 | The main entry point to SMM Foundation.\r | |
642 | \r | |
643 | Note: This function is only used by SMRAM invocation. It is never used by DXE invocation.\r | |
644 | \r | |
645 | @param SmmEntryContext Processor information and functionality\r | |
646 | needed by SMM Foundation.\r | |
647 | \r | |
648 | **/\r | |
649 | VOID\r | |
650 | EFIAPI\r | |
651 | SmmEntryPoint (\r | |
652 | IN CONST EFI_SMM_ENTRY_CONTEXT *SmmEntryContext\r | |
653 | )\r | |
654 | {\r | |
655 | EFI_STATUS Status;\r | |
656 | EFI_SMM_COMMUNICATE_HEADER *CommunicateHeader;\r | |
a25cb9f6 | 657 | BOOLEAN InLegacyBoot;\r |
3b657538 | 658 | BOOLEAN IsOverlapped;\r |
eaae7b33 JF |
659 | VOID *CommunicationBuffer;\r |
660 | UINTN BufferSize;\r | |
e42e9404 | 661 | \r |
662 | //\r | |
229fd9e7 | 663 | // Update SMST with contents of the SmmEntryContext structure\r |
e42e9404 | 664 | //\r |
229fd9e7 MK |
665 | gSmmCoreSmst.SmmStartupThisAp = SmmEntryContext->SmmStartupThisAp;\r |
666 | gSmmCoreSmst.CurrentlyExecutingCpu = SmmEntryContext->CurrentlyExecutingCpu;\r | |
667 | gSmmCoreSmst.NumberOfCpus = SmmEntryContext->NumberOfCpus;\r | |
668 | gSmmCoreSmst.CpuSaveStateSize = SmmEntryContext->CpuSaveStateSize;\r | |
669 | gSmmCoreSmst.CpuSaveState = SmmEntryContext->CpuSaveState;\r | |
e42e9404 | 670 | \r |
495797c5 | 671 | //\r |
672 | // Call platform hook before Smm Dispatch\r | |
673 | //\r | |
674 | PlatformHookBeforeSmmDispatch ();\r | |
675 | \r | |
e63da9f0 JW |
676 | //\r |
677 | // Call memory management hook function\r | |
678 | //\r | |
679 | SmmEntryPointMemoryManagementHook ();\r | |
680 | \r | |
e42e9404 | 681 | //\r |
682 | // If a legacy boot has occured, then make sure gSmmCorePrivate is not accessed\r | |
683 | //\r | |
a25cb9f6 | 684 | InLegacyBoot = mInLegacyBoot;\r |
685 | if (!InLegacyBoot) {\r | |
e42e9404 | 686 | //\r |
9fa90bb4 | 687 | // Mark the InSmm flag as TRUE, it will be used by SmmBase2 protocol\r |
e42e9404 | 688 | //\r |
9fa90bb4 | 689 | gSmmCorePrivate->InSmm = TRUE;\r |
e42e9404 | 690 | \r |
691 | //\r | |
d1102dba | 692 | // Check to see if this is a Synchronous SMI sent through the SMM Communication\r |
9fa90bb4 | 693 | // Protocol or an Asynchronous SMI\r |
e42e9404 | 694 | //\r |
eaae7b33 JF |
695 | CommunicationBuffer = gSmmCorePrivate->CommunicationBuffer;\r |
696 | BufferSize = gSmmCorePrivate->BufferSize;\r | |
697 | if (CommunicationBuffer != NULL) {\r | |
9fa90bb4 | 698 | //\r |
699 | // Synchronous SMI for SMM Core or request from Communicate protocol\r | |
700 | //\r | |
3b657538 | 701 | IsOverlapped = InternalIsBufferOverlapped (\r |
eaae7b33 JF |
702 | (UINT8 *) CommunicationBuffer,\r |
703 | BufferSize,\r | |
3b657538 SZ |
704 | (UINT8 *) gSmmCorePrivate,\r |
705 | sizeof (*gSmmCorePrivate)\r | |
706 | );\r | |
eaae7b33 | 707 | if (!SmmIsBufferOutsideSmmValid ((UINTN)CommunicationBuffer, BufferSize) || IsOverlapped) {\r |
3720ee6d | 708 | //\r |
3b657538 SZ |
709 | // If CommunicationBuffer is not in valid address scope,\r |
710 | // or there is overlap between gSmmCorePrivate and CommunicationBuffer,\r | |
711 | // return EFI_INVALID_PARAMETER\r | |
3720ee6d JF |
712 | //\r |
713 | gSmmCorePrivate->CommunicationBuffer = NULL;\r | |
d1632f69 | 714 | gSmmCorePrivate->ReturnStatus = EFI_ACCESS_DENIED;\r |
3720ee6d | 715 | } else {\r |
eaae7b33 JF |
716 | CommunicateHeader = (EFI_SMM_COMMUNICATE_HEADER *)CommunicationBuffer;\r |
717 | BufferSize -= OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data);\r | |
3720ee6d | 718 | Status = SmiManage (\r |
d1102dba LG |
719 | &CommunicateHeader->HeaderGuid,\r |
720 | NULL,\r | |
721 | CommunicateHeader->Data,\r | |
eaae7b33 | 722 | &BufferSize\r |
3720ee6d JF |
723 | );\r |
724 | //\r | |
725 | // Update CommunicationBuffer, BufferSize and ReturnStatus\r | |
726 | // Communicate service finished, reset the pointer to CommBuffer to NULL\r | |
727 | //\r | |
eaae7b33 | 728 | gSmmCorePrivate->BufferSize = BufferSize + OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data);\r |
3720ee6d JF |
729 | gSmmCorePrivate->CommunicationBuffer = NULL;\r |
730 | gSmmCorePrivate->ReturnStatus = (Status == EFI_SUCCESS) ? EFI_SUCCESS : EFI_NOT_FOUND;\r | |
731 | }\r | |
9fa90bb4 | 732 | }\r |
e42e9404 | 733 | }\r |
9fa90bb4 | 734 | \r |
735 | //\r | |
736 | // Process Asynchronous SMI sources\r | |
737 | //\r | |
738 | SmiManage (NULL, NULL, NULL, NULL);\r | |
d1102dba | 739 | \r |
495797c5 | 740 | //\r |
741 | // Call platform hook after Smm Dispatch\r | |
742 | //\r | |
743 | PlatformHookAfterSmmDispatch ();\r | |
e42e9404 | 744 | \r |
745 | //\r | |
9fa90bb4 | 746 | // If a legacy boot has occured, then make sure gSmmCorePrivate is not accessed\r |
e42e9404 | 747 | //\r |
a25cb9f6 | 748 | if (!InLegacyBoot) {\r |
9fa90bb4 | 749 | //\r |
750 | // Clear the InSmm flag as we are going to leave SMM\r | |
751 | //\r | |
752 | gSmmCorePrivate->InSmm = FALSE;\r | |
753 | }\r | |
e42e9404 | 754 | }\r |
755 | \r | |
0b256fb1 JY |
756 | /**\r |
757 | Install LoadedImage protocol for SMM Core.\r | |
758 | **/\r | |
759 | VOID\r | |
760 | SmmCoreInstallLoadedImage (\r | |
761 | VOID\r | |
762 | )\r | |
763 | {\r | |
764 | EFI_STATUS Status;\r | |
765 | EFI_HANDLE Handle;\r | |
766 | \r | |
767 | //\r | |
768 | // Allocate a Loaded Image Protocol in EfiBootServicesData\r | |
769 | //\r | |
770 | Status = gBS->AllocatePool (EfiBootServicesData, sizeof(EFI_LOADED_IMAGE_PROTOCOL), (VOID **)&mSmmCoreLoadedImage);\r | |
771 | ASSERT_EFI_ERROR (Status);\r | |
772 | \r | |
773 | ZeroMem (mSmmCoreLoadedImage, sizeof (EFI_LOADED_IMAGE_PROTOCOL));\r | |
774 | //\r | |
775 | // Fill in the remaining fields of the Loaded Image Protocol instance.\r | |
776 | // Note: ImageBase is an SMRAM address that can not be accessed outside of SMRAM if SMRAM window is closed.\r | |
777 | //\r | |
778 | mSmmCoreLoadedImage->Revision = EFI_LOADED_IMAGE_PROTOCOL_REVISION;\r | |
779 | mSmmCoreLoadedImage->ParentHandle = gSmmCorePrivate->SmmIplImageHandle;\r | |
780 | mSmmCoreLoadedImage->SystemTable = gST;\r | |
781 | \r | |
782 | mSmmCoreLoadedImage->ImageBase = (VOID *)(UINTN)gSmmCorePrivate->PiSmmCoreImageBase;\r | |
783 | mSmmCoreLoadedImage->ImageSize = gSmmCorePrivate->PiSmmCoreImageSize;\r | |
784 | mSmmCoreLoadedImage->ImageCodeType = EfiRuntimeServicesCode;\r | |
785 | mSmmCoreLoadedImage->ImageDataType = EfiRuntimeServicesData;\r | |
786 | \r | |
787 | //\r | |
788 | // Create a new image handle in the UEFI handle database for the SMM Driver\r | |
789 | //\r | |
790 | Handle = NULL;\r | |
791 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
792 | &Handle,\r | |
793 | &gEfiLoadedImageProtocolGuid, mSmmCoreLoadedImage,\r | |
794 | NULL\r | |
795 | );\r | |
796 | ASSERT_EFI_ERROR (Status);\r | |
797 | \r | |
285a682c JY |
798 | //\r |
799 | // Allocate a Loaded Image Protocol in SMM\r | |
800 | //\r | |
801 | Status = SmmAllocatePool (EfiRuntimeServicesData, sizeof(EFI_SMM_DRIVER_ENTRY), (VOID **)&mSmmCoreDriverEntry);\r | |
802 | ASSERT_EFI_ERROR(Status);\r | |
803 | \r | |
804 | ZeroMem (mSmmCoreDriverEntry, sizeof(EFI_SMM_DRIVER_ENTRY));\r | |
805 | //\r | |
806 | // Fill in the remaining fields of the Loaded Image Protocol instance.\r | |
807 | //\r | |
808 | mSmmCoreDriverEntry->Signature = EFI_SMM_DRIVER_ENTRY_SIGNATURE;\r | |
809 | mSmmCoreDriverEntry->SmmLoadedImage.Revision = EFI_LOADED_IMAGE_PROTOCOL_REVISION;\r | |
810 | mSmmCoreDriverEntry->SmmLoadedImage.ParentHandle = gSmmCorePrivate->SmmIplImageHandle;\r | |
811 | mSmmCoreDriverEntry->SmmLoadedImage.SystemTable = gST;\r | |
812 | \r | |
813 | mSmmCoreDriverEntry->SmmLoadedImage.ImageBase = (VOID *)(UINTN)gSmmCorePrivate->PiSmmCoreImageBase;\r | |
814 | mSmmCoreDriverEntry->SmmLoadedImage.ImageSize = gSmmCorePrivate->PiSmmCoreImageSize;\r | |
815 | mSmmCoreDriverEntry->SmmLoadedImage.ImageCodeType = EfiRuntimeServicesCode;\r | |
816 | mSmmCoreDriverEntry->SmmLoadedImage.ImageDataType = EfiRuntimeServicesData;\r | |
817 | \r | |
818 | mSmmCoreDriverEntry->ImageEntryPoint = gSmmCorePrivate->PiSmmCoreEntryPoint;\r | |
819 | mSmmCoreDriverEntry->ImageBuffer = gSmmCorePrivate->PiSmmCoreImageBase;\r | |
820 | mSmmCoreDriverEntry->NumberOfPage = EFI_SIZE_TO_PAGES((UINTN)gSmmCorePrivate->PiSmmCoreImageSize);\r | |
821 | \r | |
822 | //\r | |
823 | // Create a new image handle in the SMM handle database for the SMM Driver\r | |
824 | //\r | |
825 | mSmmCoreDriverEntry->SmmImageHandle = NULL;\r | |
826 | Status = SmmInstallProtocolInterface (\r | |
827 | &mSmmCoreDriverEntry->SmmImageHandle,\r | |
828 | &gEfiLoadedImageProtocolGuid,\r | |
829 | EFI_NATIVE_INTERFACE,\r | |
830 | &mSmmCoreDriverEntry->SmmLoadedImage\r | |
831 | );\r | |
832 | ASSERT_EFI_ERROR(Status);\r | |
833 | \r | |
0b256fb1 JY |
834 | return ;\r |
835 | }\r | |
836 | \r | |
e42e9404 | 837 | /**\r |
838 | The Entry Point for SMM Core\r | |
839 | \r | |
d1102dba | 840 | Install DXE Protocols and reload SMM Core into SMRAM and register SMM Core\r |
e42e9404 | 841 | EntryPoint on the SMI vector.\r |
842 | \r | |
843 | Note: This function is called for both DXE invocation and SMRAM invocation.\r | |
844 | \r | |
845 | @param ImageHandle The firmware allocated handle for the EFI image.\r | |
846 | @param SystemTable A pointer to the EFI System Table.\r | |
847 | \r | |
848 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
849 | @retval Other Some error occurred when executing this entry point.\r | |
850 | \r | |
851 | **/\r | |
852 | EFI_STATUS\r | |
853 | EFIAPI\r | |
854 | SmmMain (\r | |
855 | IN EFI_HANDLE ImageHandle,\r | |
856 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
857 | )\r | |
858 | {\r | |
859 | EFI_STATUS Status;\r | |
860 | UINTN Index;\r | |
861 | \r | |
862 | //\r | |
863 | // Get SMM Core Private context passed in from SMM IPL in ImageHandle.\r | |
864 | //\r | |
865 | gSmmCorePrivate = (SMM_CORE_PRIVATE_DATA *)ImageHandle;\r | |
866 | \r | |
867 | //\r | |
868 | // Fill in SMRAM physical address for the SMM Services Table and the SMM Entry Point.\r | |
869 | //\r | |
870 | gSmmCorePrivate->Smst = &gSmmCoreSmst;\r | |
871 | gSmmCorePrivate->SmmEntryPoint = SmmEntryPoint;\r | |
e63da9f0 | 872 | \r |
e42e9404 | 873 | //\r |
842b1242 JY |
874 | // No need to initialize memory service.\r |
875 | // It is done in constructor of PiSmmCoreMemoryAllocationLib(),\r | |
876 | // so that the library linked with PiSmmCore can use AllocatePool() in constuctor.\r | |
e42e9404 | 877 | //\r |
e42e9404 | 878 | \r |
84edd20b SZ |
879 | SmramProfileInit ();\r |
880 | \r | |
881 | //\r | |
882 | // Copy FullSmramRanges to SMRAM\r | |
883 | //\r | |
c03beb76 | 884 | mFullSmramRangeCount = gSmmCorePrivate->SmramRangeCount;\r |
84edd20b SZ |
885 | mFullSmramRanges = AllocatePool (mFullSmramRangeCount * sizeof (EFI_SMRAM_DESCRIPTOR));\r |
886 | ASSERT (mFullSmramRanges != NULL);\r | |
c03beb76 | 887 | CopyMem (mFullSmramRanges, gSmmCorePrivate->SmramRanges, mFullSmramRangeCount * sizeof (EFI_SMRAM_DESCRIPTOR));\r |
84edd20b | 888 | \r |
e42e9404 | 889 | //\r |
890 | // Register all SMI Handlers required by the SMM Core\r | |
891 | //\r | |
892 | for (Index = 0; mSmmCoreSmiHandlers[Index].HandlerType != NULL; Index++) {\r | |
893 | Status = SmiHandlerRegister (\r | |
894 | mSmmCoreSmiHandlers[Index].Handler,\r | |
895 | mSmmCoreSmiHandlers[Index].HandlerType,\r | |
896 | &mSmmCoreSmiHandlers[Index].DispatchHandle\r | |
897 | );\r | |
898 | ASSERT_EFI_ERROR (Status);\r | |
899 | }\r | |
84edd20b | 900 | \r |
bb2c9ccb ED |
901 | mAcpiS3Enable = PcdGetBool (PcdAcpiS3Enable);\r |
902 | if (mAcpiS3Enable) {\r | |
903 | //\r | |
904 | // Register all S3 related SMI Handlers required by the SMM Core\r | |
905 | //\r | |
906 | for (Index = 0; mSmmCoreS3SmiHandlers[Index].HandlerType != NULL; Index++) {\r | |
907 | Status = SmiHandlerRegister (\r | |
908 | mSmmCoreS3SmiHandlers[Index].Handler,\r | |
909 | mSmmCoreS3SmiHandlers[Index].HandlerType,\r | |
910 | &mSmmCoreS3SmiHandlers[Index].DispatchHandle\r | |
911 | );\r | |
912 | ASSERT_EFI_ERROR (Status);\r | |
913 | }\r | |
914 | }\r | |
915 | \r | |
84edd20b | 916 | RegisterSmramProfileHandler ();\r |
e524f680 | 917 | SmramProfileInstallProtocol ();\r |
84edd20b | 918 | \r |
0b256fb1 JY |
919 | SmmCoreInstallLoadedImage ();\r |
920 | \r | |
285a682c JY |
921 | SmmCoreInitializeMemoryAttributesTable ();\r |
922 | \r | |
ca41f3f4 JY |
923 | SmmCoreInitializeSmiHandlerProfile ();\r |
924 | \r | |
e42e9404 | 925 | return EFI_SUCCESS;\r |
926 | }\r |