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0ff6de93 ZL |
1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>\r | |
4 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
5 | \r | |
6 | **/\r | |
7 | \r | |
8 | #include "UefiPayloadEntry.h"\r | |
9 | \r | |
10 | #define MEMORY_ATTRIBUTE_MASK (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
11 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
12 | EFI_RESOURCE_ATTRIBUTE_TESTED | \\r | |
13 | EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED | \\r | |
14 | EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED | \\r | |
15 | EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED | \\r | |
16 | EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED | \\r | |
17 | EFI_RESOURCE_ATTRIBUTE_16_BIT_IO | \\r | |
18 | EFI_RESOURCE_ATTRIBUTE_32_BIT_IO | \\r | |
19 | EFI_RESOURCE_ATTRIBUTE_64_BIT_IO | \\r | |
20 | EFI_RESOURCE_ATTRIBUTE_PERSISTENT )\r | |
21 | \r | |
22 | #define TESTED_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT | \\r | |
23 | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | \\r | |
24 | EFI_RESOURCE_ATTRIBUTE_TESTED )\r | |
25 | \r | |
26 | extern VOID *mHobList;\r | |
27 | \r | |
fda5226a ZL |
28 | /**\r |
29 | Print all HOBs info from the HOB list.\r | |
30 | \r | |
31 | @return The pointer to the HOB list.\r | |
32 | **/\r | |
33 | VOID\r | |
34 | PrintHob (\r | |
35 | IN CONST VOID *HobStart\r | |
36 | );\r | |
37 | \r | |
27cb64ff ZL |
38 | /**\r |
39 | Some bootloader may pass a pcd database, and UPL also contain a PCD database.\r | |
40 | Dxe PCD driver has the assumption that the two PCD database can be catenated and\r | |
d02dbb53 | 41 | the local token number should be successive.\r |
27cb64ff ZL |
42 | This function will fix up the UPL PCD database to meet that assumption.\r |
43 | \r | |
44 | @param[in] DxeFv The FV where to find the Universal PCD database.\r | |
45 | \r | |
46 | @retval EFI_SUCCESS If it completed successfully.\r | |
47 | @retval other Failed to fix up.\r | |
48 | **/\r | |
49 | EFI_STATUS\r | |
50 | FixUpPcdDatabase (\r | |
51 | IN EFI_FIRMWARE_VOLUME_HEADER *DxeFv\r | |
52 | )\r | |
53 | {\r | |
54 | EFI_STATUS Status;\r | |
55 | EFI_FFS_FILE_HEADER *FileHeader;\r | |
56 | VOID *PcdRawData;\r | |
57 | PEI_PCD_DATABASE *PeiDatabase;\r | |
58 | PEI_PCD_DATABASE *UplDatabase;\r | |
59 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
60 | DYNAMICEX_MAPPING *ExMapTable;\r | |
61 | UINTN Index;\r | |
62 | \r | |
63 | GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);\r | |
64 | if (GuidHob == NULL) {\r | |
65 | //\r | |
66 | // No fix-up is needed.\r | |
67 | //\r | |
68 | return EFI_SUCCESS;\r | |
69 | }\r | |
70 | PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);\r | |
71 | DEBUG ((DEBUG_INFO, "Find the Pei PCD data base, the total local token number is %d\n", PeiDatabase->LocalTokenCount));\r | |
72 | \r | |
73 | Status = FvFindFileByTypeGuid (DxeFv, EFI_FV_FILETYPE_DRIVER, PcdGetPtr (PcdPcdDriverFile), &FileHeader);\r | |
74 | ASSERT_EFI_ERROR (Status);\r | |
75 | if (EFI_ERROR (Status)) {\r | |
76 | return Status;\r | |
77 | }\r | |
78 | Status = FileFindSection (FileHeader, EFI_SECTION_RAW, &PcdRawData);\r | |
79 | ASSERT_EFI_ERROR (Status);\r | |
80 | if (EFI_ERROR (Status)) {\r | |
81 | return Status;\r | |
82 | }\r | |
83 | \r | |
84 | UplDatabase = (PEI_PCD_DATABASE *) PcdRawData;\r | |
85 | ExMapTable = (DYNAMICEX_MAPPING *) (UINTN) ((UINTN) PcdRawData + UplDatabase->ExMapTableOffset);\r | |
86 | \r | |
87 | for (Index = 0; Index < UplDatabase->ExTokenCount; Index++) {\r | |
88 | ExMapTable[Index].TokenNumber += PeiDatabase->LocalTokenCount;\r | |
89 | }\r | |
90 | DEBUG ((DEBUG_INFO, "Fix up UPL PCD database successfully\n"));\r | |
91 | return EFI_SUCCESS;\r | |
92 | }\r | |
93 | \r | |
0ff6de93 ZL |
94 | /**\r |
95 | Add HOB into HOB list\r | |
96 | \r | |
97 | @param[in] Hob The HOB to be added into the HOB list.\r | |
98 | **/\r | |
99 | VOID\r | |
100 | AddNewHob (\r | |
101 | IN EFI_PEI_HOB_POINTERS *Hob\r | |
102 | )\r | |
103 | {\r | |
104 | EFI_PEI_HOB_POINTERS NewHob;\r | |
105 | \r | |
106 | if (Hob->Raw == NULL) {\r | |
107 | return;\r | |
108 | }\r | |
109 | NewHob.Header = CreateHob (Hob->Header->HobType, Hob->Header->HobLength);\r | |
110 | \r | |
111 | if (NewHob.Header != NULL) {\r | |
112 | CopyMem (NewHob.Header + 1, Hob->Header + 1, Hob->Header->HobLength - sizeof (EFI_HOB_GENERIC_HEADER));\r | |
113 | }\r | |
114 | }\r | |
115 | \r | |
116 | /**\r | |
117 | Found the Resource Descriptor HOB that contains a range\r | |
118 | \r | |
119 | @param[in] Base Memory start address\r | |
120 | @param[in] Top Memory Top.\r | |
121 | \r | |
122 | @return The pointer to the Resource Descriptor HOB.\r | |
123 | **/\r | |
124 | EFI_HOB_RESOURCE_DESCRIPTOR *\r | |
125 | FindResourceDescriptorByRange (\r | |
126 | VOID *HobList,\r | |
127 | EFI_PHYSICAL_ADDRESS Base,\r | |
128 | EFI_PHYSICAL_ADDRESS Top\r | |
129 | )\r | |
130 | {\r | |
131 | EFI_PEI_HOB_POINTERS Hob;\r | |
132 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
133 | \r | |
134 | for (Hob.Raw = (UINT8 *) HobList; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
135 | //\r | |
136 | // Skip all HOBs except Resource Descriptor HOBs\r | |
137 | //\r | |
138 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
139 | continue;\r | |
140 | }\r | |
141 | \r | |
142 | //\r | |
143 | // Skip Resource Descriptor HOBs that do not describe tested system memory\r | |
144 | //\r | |
145 | ResourceHob = Hob.ResourceDescriptor;\r | |
146 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
147 | continue;\r | |
148 | }\r | |
149 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r | |
150 | continue;\r | |
151 | }\r | |
152 | \r | |
153 | //\r | |
154 | // Skip Resource Descriptor HOBs that do not contain the PHIT range EfiFreeMemoryBottom..EfiFreeMemoryTop\r | |
155 | //\r | |
156 | if (Base < ResourceHob->PhysicalStart) {\r | |
157 | continue;\r | |
158 | }\r | |
159 | if (Top > (ResourceHob->PhysicalStart + ResourceHob->ResourceLength)) {\r | |
160 | continue;\r | |
161 | }\r | |
162 | return ResourceHob;\r | |
163 | }\r | |
164 | return NULL;\r | |
165 | }\r | |
166 | \r | |
167 | /**\r | |
168 | Find the highest below 4G memory resource descriptor, except the input Resource Descriptor.\r | |
169 | \r | |
170 | @param[in] HobList Hob start address\r | |
171 | @param[in] MinimalNeededSize Minimal needed size.\r | |
172 | @param[in] ExceptResourceHob Ignore this Resource Descriptor.\r | |
173 | \r | |
174 | @return The pointer to the Resource Descriptor HOB.\r | |
175 | **/\r | |
176 | EFI_HOB_RESOURCE_DESCRIPTOR *\r | |
177 | FindAnotherHighestBelow4GResourceDescriptor (\r | |
178 | IN VOID *HobList,\r | |
179 | IN UINTN MinimalNeededSize,\r | |
180 | IN EFI_HOB_RESOURCE_DESCRIPTOR *ExceptResourceHob\r | |
181 | )\r | |
182 | {\r | |
183 | EFI_PEI_HOB_POINTERS Hob;\r | |
184 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
185 | EFI_HOB_RESOURCE_DESCRIPTOR *ReturnResourceHob;\r | |
186 | ReturnResourceHob = NULL;\r | |
187 | \r | |
188 | for (Hob.Raw = (UINT8 *) HobList; !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {\r | |
189 | //\r | |
190 | // Skip all HOBs except Resource Descriptor HOBs\r | |
191 | //\r | |
192 | if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r | |
193 | continue;\r | |
194 | }\r | |
195 | \r | |
196 | //\r | |
197 | // Skip Resource Descriptor HOBs that do not describe tested system memory\r | |
198 | //\r | |
199 | ResourceHob = Hob.ResourceDescriptor;\r | |
200 | if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {\r | |
201 | continue;\r | |
202 | }\r | |
203 | if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) != TESTED_MEMORY_ATTRIBUTES) {\r | |
204 | continue;\r | |
205 | }\r | |
206 | \r | |
207 | //\r | |
208 | // Skip if the Resource Descriptor HOB equals to ExceptResourceHob\r | |
209 | //\r | |
210 | if (ResourceHob == ExceptResourceHob) {\r | |
211 | continue;\r | |
212 | }\r | |
213 | //\r | |
214 | // Skip Resource Descriptor HOBs that are beyond 4G\r | |
215 | //\r | |
216 | if ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength) > BASE_4GB) {\r | |
217 | continue;\r | |
218 | }\r | |
219 | //\r | |
220 | // Skip Resource Descriptor HOBs that are too small\r | |
221 | //\r | |
222 | if (ResourceHob->ResourceLength < MinimalNeededSize) {\r | |
223 | continue;\r | |
224 | }\r | |
225 | \r | |
226 | //\r | |
227 | // Return the topest Resource Descriptor\r | |
228 | //\r | |
229 | if (ReturnResourceHob == NULL) {\r | |
230 | ReturnResourceHob = ResourceHob;\r | |
231 | } else {\r | |
232 | if (ReturnResourceHob->PhysicalStart < ResourceHob->PhysicalStart) {\r | |
233 | ReturnResourceHob = ResourceHob;\r | |
234 | }\r | |
235 | }\r | |
236 | }\r | |
237 | return ReturnResourceHob;\r | |
238 | }\r | |
239 | \r | |
240 | /**\r | |
241 | It will build HOBs based on information from bootloaders.\r | |
242 | \r | |
243 | @retval EFI_SUCCESS If it completed successfully.\r | |
244 | @retval Others If it failed to build required HOBs.\r | |
245 | **/\r | |
246 | EFI_STATUS\r | |
247 | BuildHobs (\r | |
b208d37c ZL |
248 | IN UINTN BootloaderParameter,\r |
249 | OUT EFI_FIRMWARE_VOLUME_HEADER **DxeFv\r | |
0ff6de93 ZL |
250 | )\r |
251 | {\r | |
252 | EFI_PEI_HOB_POINTERS Hob;\r | |
253 | UINTN MinimalNeededSize;\r | |
254 | EFI_PHYSICAL_ADDRESS FreeMemoryBottom;\r | |
255 | EFI_PHYSICAL_ADDRESS FreeMemoryTop;\r | |
256 | EFI_PHYSICAL_ADDRESS MemoryBottom;\r | |
257 | EFI_PHYSICAL_ADDRESS MemoryTop;\r | |
258 | EFI_HOB_RESOURCE_DESCRIPTOR *PhitResourceHob;\r | |
259 | EFI_HOB_RESOURCE_DESCRIPTOR *ResourceHob;\r | |
b208d37c ZL |
260 | UNIVERSAL_PAYLOAD_EXTRA_DATA *ExtraData;\r |
261 | UINT8 *GuidHob;\r | |
262 | EFI_HOB_FIRMWARE_VOLUME *FvHob;\r | |
0ff6de93 ZL |
263 | \r |
264 | Hob.Raw = (UINT8 *) BootloaderParameter;\r | |
265 | MinimalNeededSize = FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);\r | |
266 | \r | |
267 | ASSERT (Hob.Raw != NULL);\r | |
268 | ASSERT ((UINTN) Hob.HandoffInformationTable->EfiFreeMemoryTop == Hob.HandoffInformationTable->EfiFreeMemoryTop);\r | |
269 | ASSERT ((UINTN) Hob.HandoffInformationTable->EfiMemoryTop == Hob.HandoffInformationTable->EfiMemoryTop);\r | |
270 | ASSERT ((UINTN) Hob.HandoffInformationTable->EfiFreeMemoryBottom == Hob.HandoffInformationTable->EfiFreeMemoryBottom);\r | |
271 | ASSERT ((UINTN) Hob.HandoffInformationTable->EfiMemoryBottom == Hob.HandoffInformationTable->EfiMemoryBottom);\r | |
272 | \r | |
273 | \r | |
274 | //\r | |
275 | // Try to find Resource Descriptor HOB that contains Hob range EfiMemoryBottom..EfiMemoryTop\r | |
276 | //\r | |
277 | PhitResourceHob = FindResourceDescriptorByRange(Hob.Raw, Hob.HandoffInformationTable->EfiMemoryBottom, Hob.HandoffInformationTable->EfiMemoryTop);\r | |
278 | if (PhitResourceHob == NULL) {\r | |
279 | //\r | |
280 | // Boot loader's Phit Hob is not in an available Resource Descriptor, find another Resource Descriptor for new Phit Hob\r | |
281 | //\r | |
282 | ResourceHob = FindAnotherHighestBelow4GResourceDescriptor(Hob.Raw, MinimalNeededSize, NULL);\r | |
283 | if (ResourceHob == NULL) {\r | |
284 | return EFI_NOT_FOUND;\r | |
285 | }\r | |
286 | \r | |
287 | MemoryBottom = ResourceHob->PhysicalStart + ResourceHob->ResourceLength - MinimalNeededSize;\r | |
288 | FreeMemoryBottom = MemoryBottom;\r | |
289 | FreeMemoryTop = ResourceHob->PhysicalStart + ResourceHob->ResourceLength;\r | |
290 | MemoryTop = FreeMemoryTop;\r | |
291 | } else if (PhitResourceHob->PhysicalStart + PhitResourceHob->ResourceLength - Hob.HandoffInformationTable->EfiMemoryTop >= MinimalNeededSize) {\r | |
292 | //\r | |
293 | // New availiable Memory range in new hob is right above memory top in old hob.\r | |
294 | //\r | |
295 | MemoryBottom = Hob.HandoffInformationTable->EfiFreeMemoryTop;\r | |
296 | FreeMemoryBottom = Hob.HandoffInformationTable->EfiMemoryTop;\r | |
297 | FreeMemoryTop = FreeMemoryBottom + MinimalNeededSize;\r | |
298 | MemoryTop = FreeMemoryTop;\r | |
299 | } else if (Hob.HandoffInformationTable->EfiMemoryBottom - PhitResourceHob->PhysicalStart >= MinimalNeededSize) {\r | |
300 | //\r | |
301 | // New availiable Memory range in new hob is right below memory bottom in old hob.\r | |
302 | //\r | |
303 | MemoryBottom = Hob.HandoffInformationTable->EfiMemoryBottom - MinimalNeededSize;\r | |
304 | FreeMemoryBottom = MemoryBottom;\r | |
305 | FreeMemoryTop = Hob.HandoffInformationTable->EfiMemoryBottom;\r | |
306 | MemoryTop = Hob.HandoffInformationTable->EfiMemoryTop;\r | |
307 | } else {\r | |
308 | //\r | |
309 | // In the Resource Descriptor HOB contains boot loader Hob, there is no enough free memory size for payload hob\r | |
310 | // Find another Resource Descriptor Hob\r | |
311 | //\r | |
312 | ResourceHob = FindAnotherHighestBelow4GResourceDescriptor(Hob.Raw, MinimalNeededSize, PhitResourceHob);\r | |
313 | if (ResourceHob == NULL) {\r | |
314 | return EFI_NOT_FOUND;\r | |
315 | }\r | |
316 | \r | |
317 | MemoryBottom = ResourceHob->PhysicalStart + ResourceHob->ResourceLength - MinimalNeededSize;\r | |
318 | FreeMemoryBottom = MemoryBottom;\r | |
319 | FreeMemoryTop = ResourceHob->PhysicalStart + ResourceHob->ResourceLength;\r | |
320 | MemoryTop = FreeMemoryTop;\r | |
321 | }\r | |
322 | HobConstructor ((VOID *) (UINTN) MemoryBottom, (VOID *) (UINTN) MemoryTop, (VOID *) (UINTN) FreeMemoryBottom, (VOID *) (UINTN) FreeMemoryTop);\r | |
323 | //\r | |
324 | // From now on, mHobList will point to the new Hob range.\r | |
325 | //\r | |
326 | \r | |
b208d37c ZL |
327 | //\r |
328 | // Create an empty FvHob for the DXE FV that contains DXE core.\r | |
329 | //\r | |
330 | BuildFvHob ((EFI_PHYSICAL_ADDRESS) 0, 0);\r | |
0ff6de93 ZL |
331 | //\r |
332 | // Since payload created new Hob, move all hobs except PHIT from boot loader hob list.\r | |
333 | //\r | |
334 | while (!END_OF_HOB_LIST (Hob)) {\r | |
335 | if (Hob.Header->HobType != EFI_HOB_TYPE_HANDOFF) {\r | |
336 | // Add this hob to payload HOB\r | |
337 | AddNewHob (&Hob);\r | |
338 | }\r | |
339 | Hob.Raw = GET_NEXT_HOB (Hob);\r | |
340 | }\r | |
341 | \r | |
b208d37c ZL |
342 | //\r |
343 | // Get DXE FV location\r | |
344 | //\r | |
345 | GuidHob = GetFirstGuidHob(&gUniversalPayloadExtraDataGuid);\r | |
346 | ASSERT (GuidHob != NULL);\r | |
347 | ExtraData = (UNIVERSAL_PAYLOAD_EXTRA_DATA *) GET_GUID_HOB_DATA (GuidHob);\r | |
348 | ASSERT (ExtraData->Count == 1);\r | |
349 | ASSERT (AsciiStrCmp (ExtraData->Entry[0].Identifier, "uefi_fv") == 0);\r | |
350 | \r | |
351 | *DxeFv = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) ExtraData->Entry[0].Base;\r | |
352 | ASSERT ((*DxeFv)->FvLength == ExtraData->Entry[0].Size);\r | |
353 | \r | |
354 | //\r | |
355 | // Update DXE FV information to first fv hob in the hob list, which\r | |
356 | // is the empty FvHob created before.\r | |
357 | //\r | |
358 | FvHob = GetFirstHob (EFI_HOB_TYPE_FV);\r | |
359 | FvHob->BaseAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) *DxeFv;\r | |
360 | FvHob->Length = (*DxeFv)->FvLength;\r | |
0ff6de93 ZL |
361 | return EFI_SUCCESS;\r |
362 | }\r | |
363 | \r | |
364 | /**\r | |
365 | Entry point to the C language phase of UEFI payload.\r | |
366 | \r | |
367 | @retval It will not return if SUCCESS, and return error when passing bootloader parameter.\r | |
368 | **/\r | |
369 | EFI_STATUS\r | |
370 | EFIAPI\r | |
371 | _ModuleEntryPoint (\r | |
372 | IN UINTN BootloaderParameter\r | |
373 | )\r | |
374 | {\r | |
375 | EFI_STATUS Status;\r | |
b208d37c | 376 | PHYSICAL_ADDRESS DxeCoreEntryPoint;\r |
0ff6de93 | 377 | EFI_PEI_HOB_POINTERS Hob;\r |
b208d37c | 378 | EFI_FIRMWARE_VOLUME_HEADER *DxeFv;\r |
0ff6de93 ZL |
379 | \r |
380 | mHobList = (VOID *) BootloaderParameter;\r | |
b208d37c | 381 | DxeFv = NULL;\r |
0ff6de93 ZL |
382 | // Call constructor for all libraries\r |
383 | ProcessLibraryConstructorList ();\r | |
384 | \r | |
385 | DEBUG ((DEBUG_INFO, "Entering Universal Payload...\n"));\r | |
386 | DEBUG ((DEBUG_INFO, "sizeof(UINTN) = 0x%x\n", sizeof(UINTN)));\r | |
387 | \r | |
fda5226a ZL |
388 | DEBUG_CODE (\r |
389 | //\r | |
390 | // Dump the Hobs from boot loader\r | |
391 | //\r | |
392 | PrintHob (mHobList);\r | |
393 | );\r | |
394 | \r | |
0ff6de93 ZL |
395 | // Initialize floating point operating environment to be compliant with UEFI spec.\r |
396 | InitializeFloatingPointUnits ();\r | |
397 | \r | |
398 | // Build HOB based on information from Bootloader\r | |
b208d37c ZL |
399 | Status = BuildHobs (BootloaderParameter, &DxeFv);\r |
400 | ASSERT_EFI_ERROR (Status);\r | |
401 | \r | |
27cb64ff | 402 | FixUpPcdDatabase (DxeFv);\r |
b208d37c ZL |
403 | Status = UniversalLoadDxeCore (DxeFv, &DxeCoreEntryPoint);\r |
404 | ASSERT_EFI_ERROR (Status);\r | |
0ff6de93 ZL |
405 | \r |
406 | //\r | |
407 | // Mask off all legacy 8259 interrupt sources\r | |
408 | //\r | |
409 | IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, 0xFF);\r | |
410 | IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, 0xFF);\r | |
411 | \r | |
fea7901d | 412 | Hob.HandoffInformationTable = (EFI_HOB_HANDOFF_INFO_TABLE *) GetFirstHob(EFI_HOB_TYPE_HANDOFF);\r |
b208d37c | 413 | HandOffToDxeCore (DxeCoreEntryPoint, Hob);\r |
0ff6de93 ZL |
414 | \r |
415 | // Should not get here\r | |
416 | CpuDeadLoop ();\r | |
417 | return EFI_SUCCESS;\r | |
418 | }\r |