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1 | /** @file\r | |
2 | Publishes ESRT table from Firmware Management Protocol instances\r | |
3 | \r | |
4 | Copyright (c) 2016, Microsoft Corporation\r | |
5 | Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>\r | |
6 | \r | |
7 | All rights reserved.\r | |
8 | Redistribution and use in source and binary forms, with or without\r | |
9 | modification, are permitted provided that the following conditions are met:\r | |
10 | 1. Redistributions of source code must retain the above copyright notice,\r | |
11 | this list of conditions and the following disclaimer.\r | |
12 | 2. Redistributions in binary form must reproduce the above copyright notice,\r | |
13 | this list of conditions and the following disclaimer in the documentation\r | |
14 | and/or other materials provided with the distribution.\r | |
15 | \r | |
16 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND\r | |
17 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\r | |
18 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\r | |
19 | IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\r | |
20 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,\r | |
21 | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r | |
22 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF\r | |
23 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\r | |
24 | OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF\r | |
25 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r | |
26 | \r | |
27 | **/\r | |
28 | \r | |
29 | #include <Uefi.h>\r | |
30 | #include <Library/BaseLib.h>\r | |
31 | #include <Library/BaseMemoryLib.h>\r | |
32 | #include <Library/MemoryAllocationLib.h>\r | |
33 | #include <Library/UefiBootServicesTableLib.h>\r | |
34 | #include <Library/DebugLib.h>\r | |
35 | #include <Library/PcdLib.h>\r | |
36 | #include <Library/UefiLib.h>\r | |
37 | #include <Protocol/FirmwareManagement.h>\r | |
38 | #include <Guid/EventGroup.h>\r | |
39 | #include <Guid/SystemResourceTable.h>\r | |
40 | \r | |
41 | /**\r | |
42 | Print ESRT to debug console.\r | |
43 | \r | |
44 | @param[in] Table Pointer to the ESRT table.\r | |
45 | \r | |
46 | **/\r | |
47 | VOID\r | |
48 | EFIAPI\r | |
49 | PrintTable (\r | |
50 | IN EFI_SYSTEM_RESOURCE_TABLE *Table\r | |
51 | );\r | |
52 | \r | |
53 | //\r | |
54 | // Number of ESRT entries to grow by each time we run out of room\r | |
55 | //\r | |
56 | #define GROWTH_STEP 10\r | |
57 | \r | |
58 | //\r | |
59 | // Module globals.\r | |
60 | //\r | |
61 | EFI_EVENT mEsrtReadyToBootEvent;\r | |
62 | EFI_SYSTEM_RESOURCE_TABLE *mTable = NULL;\r | |
63 | BOOLEAN mEsrtInstalled = FALSE;\r | |
64 | EFI_EVENT mFmpInstallEvent;\r | |
65 | VOID *mFmpInstallEventRegistration = NULL;\r | |
66 | \r | |
67 | /**\r | |
68 | Install EFI System Resource Table into the UEFI Configuration Table\r | |
69 | \r | |
70 | @return Status code.\r | |
71 | \r | |
72 | **/\r | |
73 | EFI_STATUS\r | |
74 | InstallEfiSystemResourceTableInUefiConfigurationTable (\r | |
75 | VOID\r | |
76 | )\r | |
77 | {\r | |
78 | EFI_STATUS Status;\r | |
79 | \r | |
80 | Status = EFI_SUCCESS;\r | |
81 | if (!mEsrtInstalled) {\r | |
82 | if (mTable == NULL) {\r | |
83 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Can't install ESRT table because it is NULL. \n"));\r | |
84 | Status = EFI_OUT_OF_RESOURCES;\r | |
85 | } else if (mTable->FwResourceCount == 0) {\r | |
86 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Can't install ESRT table because it has zero Entries. \n"));\r | |
87 | Status = EFI_UNSUPPORTED;\r | |
88 | } else {\r | |
89 | //\r | |
90 | // Install the pointer into config table\r | |
91 | //\r | |
92 | Status = gBS->InstallConfigurationTable (&gEfiSystemResourceTableGuid, mTable);\r | |
93 | if (EFI_ERROR (Status)) {\r | |
94 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Can't install ESRT table. Status: %r. \n", Status));\r | |
95 | } else {\r | |
96 | DEBUG ((DEBUG_INFO, "EsrtFmpDxe: Installed ESRT table. \n"));\r | |
97 | mEsrtInstalled = TRUE;\r | |
98 | }\r | |
99 | }\r | |
100 | }\r | |
101 | return Status;\r | |
102 | }\r | |
103 | \r | |
104 | /**\r | |
105 | Return if this FMP is a system FMP or a device FMP, based upon FmpImageInfo.\r | |
106 | \r | |
107 | @param[in] FmpImageInfo A pointer to EFI_FIRMWARE_IMAGE_DESCRIPTOR\r | |
108 | \r | |
109 | @return TRUE It is a system FMP.\r | |
110 | @return FALSE It is a device FMP.\r | |
111 | **/\r | |
112 | BOOLEAN\r | |
113 | IsSystemFmp (\r | |
114 | IN EFI_FIRMWARE_IMAGE_DESCRIPTOR *FmpImageInfo\r | |
115 | )\r | |
116 | {\r | |
117 | GUID *Guid;\r | |
118 | UINTN Count;\r | |
119 | UINTN Index;\r | |
120 | \r | |
121 | Guid = PcdGetPtr (PcdSystemFmpCapsuleImageTypeIdGuid);\r | |
122 | Count = PcdGetSize (PcdSystemFmpCapsuleImageTypeIdGuid) / sizeof(GUID);\r | |
123 | \r | |
124 | for (Index = 0; Index < Count; Index++, Guid++) {\r | |
125 | if (CompareGuid (&FmpImageInfo->ImageTypeId, Guid)) {\r | |
126 | return TRUE;\r | |
127 | }\r | |
128 | }\r | |
129 | \r | |
130 | return FALSE;\r | |
131 | }\r | |
132 | \r | |
133 | /**\r | |
134 | Function to create a single ESRT Entry and add it to the ESRT\r | |
135 | given a FMP descriptor. If the guid is already in the ESRT it\r | |
136 | will be ignored. The ESRT will grow if it does not have enough room.\r | |
137 | \r | |
138 | @param[in] FmpImageInfoBuf Pointer to the EFI_FIRMWARE_IMAGE_DESCRIPTOR.\r | |
139 | @param[in] FmpVersion FMP Version.\r | |
140 | \r | |
141 | @return Status code.\r | |
142 | \r | |
143 | **/\r | |
144 | EFI_STATUS\r | |
145 | EFIAPI\r | |
146 | CreateEsrtEntry (\r | |
147 | IN EFI_FIRMWARE_IMAGE_DESCRIPTOR *FmpImageInfoBuf,\r | |
148 | IN UINT32 FmpVersion\r | |
149 | )\r | |
150 | {\r | |
151 | UINTN Index;\r | |
152 | EFI_SYSTEM_RESOURCE_ENTRY *Entry;\r | |
153 | UINTN NewSize;\r | |
154 | EFI_SYSTEM_RESOURCE_TABLE *NewTable;\r | |
155 | \r | |
156 | Index = 0;\r | |
157 | Entry = NULL;\r | |
158 | \r | |
159 | //\r | |
160 | // Get our ESRT table. This should never be null at this point\r | |
161 | //\r | |
162 | if (mTable == NULL) {\r | |
163 | return EFI_DEVICE_ERROR;\r | |
164 | }\r | |
165 | \r | |
166 | Entry = (EFI_SYSTEM_RESOURCE_ENTRY *)(mTable + 1);\r | |
167 | //\r | |
168 | // Make sure Guid isn't already in the list\r | |
169 | //\r | |
170 | for (Index = 0; Index < mTable->FwResourceCount; Index++) {\r | |
171 | if (CompareGuid (&Entry->FwClass, &FmpImageInfoBuf->ImageTypeId)) {\r | |
172 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: ESRT Entry already exists for FMP Instance with GUID %g\n", &Entry->FwClass));\r | |
173 | return EFI_INVALID_PARAMETER;\r | |
174 | }\r | |
175 | Entry++;\r | |
176 | }\r | |
177 | \r | |
178 | //\r | |
179 | // Grow table if needed\r | |
180 | //\r | |
181 | if (mTable->FwResourceCount >= mTable->FwResourceCountMax) {\r | |
182 | //\r | |
183 | // Can't grow table after installed.\r | |
184 | // Only because didn't add support for this.\r | |
185 | // Would need to re-install ESRT in system table if wanted to support\r | |
186 | //\r | |
187 | if (mEsrtInstalled) {\r | |
188 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Failed to install entry because ESRT table needed to grow after table already installed. \n"));\r | |
189 | return EFI_OUT_OF_RESOURCES;\r | |
190 | }\r | |
191 | \r | |
192 | NewSize = ((mTable->FwResourceCountMax + GROWTH_STEP) * sizeof (EFI_SYSTEM_RESOURCE_ENTRY)) + sizeof (EFI_SYSTEM_RESOURCE_TABLE);\r | |
193 | NewTable = AllocateRuntimeZeroPool (NewSize);\r | |
194 | if (NewTable == NULL) {\r | |
195 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Failed to allocate memory larger table for ESRT. \n"));\r | |
196 | return EFI_OUT_OF_RESOURCES;\r | |
197 | }\r | |
198 | //\r | |
199 | // Copy the whole old table into new table buffer\r | |
200 | //\r | |
201 | CopyMem (\r | |
202 | NewTable,\r | |
203 | mTable,\r | |
204 | ((mTable->FwResourceCountMax) * sizeof (EFI_SYSTEM_RESOURCE_ENTRY)) + sizeof (EFI_SYSTEM_RESOURCE_TABLE)\r | |
205 | );\r | |
206 | //\r | |
207 | // Update max\r | |
208 | //\r | |
209 | NewTable->FwResourceCountMax = NewTable->FwResourceCountMax + GROWTH_STEP;\r | |
210 | //\r | |
211 | // Free old table\r | |
212 | //\r | |
213 | FreePool (mTable);\r | |
214 | //\r | |
215 | // Reassign pointer to new table.\r | |
216 | //\r | |
217 | mTable = NewTable;\r | |
218 | }\r | |
219 | \r | |
220 | //\r | |
221 | // ESRT table has enough room for the new entry so add new entry\r | |
222 | //\r | |
223 | Entry = (EFI_SYSTEM_RESOURCE_ENTRY *)(((UINT8 *)mTable) + sizeof (EFI_SYSTEM_RESOURCE_TABLE));\r | |
224 | //\r | |
225 | // Move to the location of new entry\r | |
226 | //\r | |
227 | Entry = Entry + mTable->FwResourceCount;\r | |
228 | //\r | |
229 | // Increment resource count\r | |
230 | //\r | |
231 | mTable->FwResourceCount++;\r | |
232 | \r | |
233 | CopyGuid (&Entry->FwClass, &FmpImageInfoBuf->ImageTypeId);\r | |
234 | \r | |
235 | if (IsSystemFmp (FmpImageInfoBuf)) {\r | |
236 | DEBUG ((DEBUG_INFO, "EsrtFmpDxe: Found an ESRT entry for a System Device.\n"));\r | |
237 | Entry->FwType = (UINT32)(ESRT_FW_TYPE_SYSTEMFIRMWARE);\r | |
238 | } else {\r | |
239 | Entry->FwType = (UINT32)(ESRT_FW_TYPE_DEVICEFIRMWARE);\r | |
240 | }\r | |
241 | \r | |
242 | Entry->FwVersion = FmpImageInfoBuf->Version;\r | |
243 | Entry->LowestSupportedFwVersion = 0;\r | |
244 | Entry->CapsuleFlags = 0;\r | |
245 | Entry->LastAttemptVersion = 0;\r | |
246 | Entry->LastAttemptStatus = 0;\r | |
247 | \r | |
248 | //\r | |
249 | // VERSION 2 has Lowest Supported\r | |
250 | //\r | |
251 | if (FmpVersion >= 2) {\r | |
252 | Entry->LowestSupportedFwVersion = FmpImageInfoBuf->LowestSupportedImageVersion;\r | |
253 | }\r | |
254 | \r | |
255 | //\r | |
256 | // VERSION 3 supports last attempt values\r | |
257 | //\r | |
258 | if (FmpVersion >= 3) {\r | |
259 | Entry->LastAttemptVersion = FmpImageInfoBuf->LastAttemptVersion;\r | |
260 | Entry->LastAttemptStatus = FmpImageInfoBuf->LastAttemptStatus;\r | |
261 | }\r | |
262 | \r | |
263 | return EFI_SUCCESS;\r | |
264 | }\r | |
265 | \r | |
266 | /**\r | |
267 | Notify function for every Firmware Management Protocol being installed.\r | |
268 | Get the descriptors from FMP Instance and create ESRT entries (ESRE)\r | |
269 | \r | |
270 | @param[in] Event The Event that is being processed.\r | |
271 | @param[in] Context The Event Context.\r | |
272 | \r | |
273 | **/\r | |
274 | VOID\r | |
275 | EFIAPI\r | |
276 | FmpInstallProtocolNotify (\r | |
277 | IN EFI_EVENT Event,\r | |
278 | IN VOID *Context\r | |
279 | )\r | |
280 | {\r | |
281 | EFI_STATUS Status;\r | |
282 | EFI_HANDLE Handle;\r | |
283 | UINTN BufferSize;\r | |
284 | EFI_FIRMWARE_MANAGEMENT_PROTOCOL *Fmp;\r | |
285 | UINTN DescriptorSize;\r | |
286 | EFI_FIRMWARE_IMAGE_DESCRIPTOR *FmpImageInfoBuf;\r | |
287 | EFI_FIRMWARE_IMAGE_DESCRIPTOR *FmpImageInfoBufOrg;\r | |
288 | UINT8 FmpImageInfoCount;\r | |
289 | UINT32 FmpImageInfoDescriptorVer;\r | |
290 | UINTN ImageInfoSize;\r | |
291 | UINT32 PackageVersion;\r | |
292 | CHAR16 *PackageVersionName;\r | |
293 | \r | |
294 | Status = EFI_SUCCESS;\r | |
295 | Handle = 0;\r | |
296 | BufferSize = 0;\r | |
297 | PackageVersionName = NULL;\r | |
298 | FmpImageInfoBuf = NULL;\r | |
299 | FmpImageInfoBufOrg = NULL;\r | |
300 | Fmp = NULL;\r | |
301 | \r | |
302 | DEBUG ((DEBUG_INFO, "FMP Installed Notify\n"));\r | |
303 | while (TRUE) {\r | |
304 | BufferSize = sizeof (EFI_HANDLE);\r | |
305 | Status = gBS->LocateHandle (ByRegisterNotify, NULL, mFmpInstallEventRegistration, &BufferSize, &Handle);\r | |
306 | if (EFI_ERROR (Status)) {\r | |
307 | DEBUG ((DEBUG_WARN, "EsrtFmpDxe: Failed to Locate handle from notify value. Status: %r\n", Status));\r | |
308 | return;\r | |
309 | }\r | |
310 | \r | |
311 | Status = gBS->HandleProtocol (Handle, &gEfiFirmwareManagementProtocolGuid, (VOID **)&Fmp);\r | |
312 | if (EFI_ERROR (Status)) {\r | |
313 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Failed to get FMP for a handle 0x%x\n", Handle));\r | |
314 | continue;\r | |
315 | }\r | |
316 | ImageInfoSize = 0;\r | |
317 | \r | |
318 | Status = Fmp->GetImageInfo (\r | |
319 | Fmp, // FMP Pointer\r | |
320 | &ImageInfoSize, // Buffer Size (in this case 0)\r | |
321 | NULL, // NULL so we can get size\r | |
322 | &FmpImageInfoDescriptorVer, // DescriptorVersion\r | |
323 | &FmpImageInfoCount, // DescriptorCount\r | |
324 | &DescriptorSize, // DescriptorSize\r | |
325 | &PackageVersion, // PackageVersion\r | |
326 | &PackageVersionName // PackageVersionName\r | |
327 | );\r | |
328 | \r | |
329 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
330 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Unexpected Failure in GetImageInfo. Status = %r\n", Status));\r | |
331 | continue;\r | |
332 | }\r | |
333 | \r | |
334 | FmpImageInfoBuf = NULL;\r | |
335 | FmpImageInfoBuf = AllocateZeroPool (ImageInfoSize);\r | |
336 | if (FmpImageInfoBuf == NULL) {\r | |
337 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Failed to get memory for descriptors.\n"));\r | |
338 | continue;\r | |
339 | }\r | |
340 | \r | |
341 | FmpImageInfoBufOrg = FmpImageInfoBuf;\r | |
342 | PackageVersionName = NULL;\r | |
343 | Status = Fmp->GetImageInfo (\r | |
344 | Fmp,\r | |
345 | &ImageInfoSize, // ImageInfoSize\r | |
346 | FmpImageInfoBuf, // ImageInfo\r | |
347 | &FmpImageInfoDescriptorVer, // DescriptorVersion\r | |
348 | &FmpImageInfoCount, // DescriptorCount\r | |
349 | &DescriptorSize, // DescriptorSize\r | |
350 | &PackageVersion, // PackageVersion\r | |
351 | &PackageVersionName // PackageVersionName\r | |
352 | );\r | |
353 | if (EFI_ERROR (Status)) {\r | |
354 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Failure in GetImageInfo. Status = %r\n", Status));\r | |
355 | goto CleanUp;\r | |
356 | }\r | |
357 | \r | |
358 | //\r | |
359 | // Check each descriptor and read from the one specified\r | |
360 | //\r | |
361 | while (FmpImageInfoCount > 0) {\r | |
362 | //\r | |
363 | // If the descriptor has the IN USE bit set, create ESRT entry otherwise ignore.\r | |
364 | //\r | |
365 | if ((FmpImageInfoBuf->AttributesSetting & FmpImageInfoBuf->AttributesSupported & IMAGE_ATTRIBUTE_IN_USE) == IMAGE_ATTRIBUTE_IN_USE) {\r | |
366 | //\r | |
367 | // Create ESRT entry\r | |
368 | //\r | |
369 | CreateEsrtEntry (FmpImageInfoBuf, FmpImageInfoDescriptorVer);\r | |
370 | }\r | |
371 | FmpImageInfoCount--;\r | |
372 | //\r | |
373 | // Increment the buffer pointer ahead by the size of the descriptor\r | |
374 | //\r | |
375 | FmpImageInfoBuf = (EFI_FIRMWARE_IMAGE_DESCRIPTOR *)(((UINT8 *)FmpImageInfoBuf) + DescriptorSize);\r | |
376 | }\r | |
377 | \r | |
378 | if (PackageVersionName != NULL) {\r | |
379 | FreePool (PackageVersionName);\r | |
380 | PackageVersionName = NULL;\r | |
381 | }\r | |
382 | if (FmpImageInfoBufOrg != NULL) {\r | |
383 | FreePool (FmpImageInfoBufOrg);\r | |
384 | FmpImageInfoBufOrg = NULL;\r | |
385 | }\r | |
386 | }\r | |
387 | \r | |
388 | CleanUp:\r | |
389 | if (FmpImageInfoBufOrg != NULL) {\r | |
390 | FreePool (FmpImageInfoBufOrg);\r | |
391 | }\r | |
392 | return;\r | |
393 | }\r | |
394 | \r | |
395 | /**\r | |
396 | Notify function for event group EFI_EVENT_GROUP_READY_TO_BOOT. This is used to\r | |
397 | install the Efi System Resource Table.\r | |
398 | \r | |
399 | @param[in] Event The Event that is being processed.\r | |
400 | @param[in] Context The Event Context.\r | |
401 | \r | |
402 | **/\r | |
403 | VOID\r | |
404 | EFIAPI\r | |
405 | EsrtReadyToBootEventNotify (\r | |
406 | IN EFI_EVENT Event,\r | |
407 | IN VOID *Context\r | |
408 | )\r | |
409 | {\r | |
410 | InstallEfiSystemResourceTableInUefiConfigurationTable ();\r | |
411 | \r | |
412 | //\r | |
413 | // Print table on debug builds\r | |
414 | //\r | |
415 | DEBUG_CODE_BEGIN ();\r | |
416 | PrintTable (mTable);\r | |
417 | DEBUG_CODE_END ();\r | |
418 | }\r | |
419 | \r | |
420 | /**\r | |
421 | The module Entry Point of the Efi System Resource Table DXE driver.\r | |
422 | \r | |
423 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
424 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
425 | \r | |
426 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
427 | @retval Other Some error occurs when executing this entry point.\r | |
428 | \r | |
429 | **/\r | |
430 | EFI_STATUS\r | |
431 | EFIAPI\r | |
432 | EsrtFmpEntryPoint (\r | |
433 | IN EFI_HANDLE ImageHandle,\r | |
434 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
435 | )\r | |
436 | {\r | |
437 | EFI_STATUS Status;\r | |
438 | \r | |
439 | //\r | |
440 | // Allocate Memory for table\r | |
441 | //\r | |
442 | mTable = AllocateRuntimeZeroPool (\r | |
443 | (GROWTH_STEP * sizeof (EFI_SYSTEM_RESOURCE_ENTRY)) + sizeof (EFI_SYSTEM_RESOURCE_TABLE)\r | |
444 | );\r | |
445 | ASSERT (mTable != NULL);\r | |
446 | if (mTable == NULL) {\r | |
447 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Failed to allocate memory for ESRT.\n"));\r | |
448 | return EFI_OUT_OF_RESOURCES;\r | |
449 | }\r | |
450 | \r | |
451 | mTable->FwResourceCount = 0;\r | |
452 | mTable->FwResourceCountMax = GROWTH_STEP;\r | |
453 | mTable->FwResourceVersion = EFI_SYSTEM_RESOURCE_TABLE_FIRMWARE_RESOURCE_VERSION;\r | |
454 | \r | |
455 | //\r | |
456 | // Register notify function for all FMP installed\r | |
457 | //\r | |
458 | mFmpInstallEvent = EfiCreateProtocolNotifyEvent (\r | |
459 | &gEfiFirmwareManagementProtocolGuid,\r | |
460 | TPL_CALLBACK,\r | |
461 | FmpInstallProtocolNotify,\r | |
462 | NULL,\r | |
463 | &mFmpInstallEventRegistration\r | |
464 | );\r | |
465 | \r | |
466 | ASSERT (mFmpInstallEvent != NULL);\r | |
467 | \r | |
468 | if (mFmpInstallEvent == NULL) {\r | |
469 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Failed to Create Protocol Notify Event for FMP.\n"));\r | |
470 | }\r | |
471 | \r | |
472 | //\r | |
473 | // Register notify function to install ESRT on ReadyToBoot Event.\r | |
474 | //\r | |
475 | Status = EfiCreateEventReadyToBootEx (\r | |
476 | TPL_CALLBACK,\r | |
477 | EsrtReadyToBootEventNotify,\r | |
478 | NULL,\r | |
479 | &mEsrtReadyToBootEvent\r | |
480 | );\r | |
481 | \r | |
482 | ASSERT_EFI_ERROR (Status);\r | |
483 | if (EFI_ERROR (Status)) {\r | |
484 | DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Failed to register for ready to boot\n"));\r | |
485 | }\r | |
486 | \r | |
487 | return Status;\r | |
488 | }\r |