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1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r | |
4 | \r\r | |
5 | This program and the accompanying materials are licensed and made available under\r\r | |
6 | the terms and conditions of the BSD License that accompanies this distribution. \r\r | |
7 | The full text of the license may be found at \r\r | |
8 | http://opensource.org/licenses/bsd-license.php. \r\r | |
9 | \r\r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r\r | |
12 | \r\r | |
13 | \r | |
14 | \r | |
15 | Module Name:\r | |
16 | \r | |
17 | MiscProcessorInformationFunction.c\r | |
18 | \r | |
19 | Abstract:\r | |
20 | \r | |
21 | Onboard processor information boot time changes.\r | |
22 | SMBIOS type 4.\r | |
23 | \r | |
24 | --*/\r | |
25 | \r | |
26 | #include "CommonHeader.h"\r | |
27 | \r | |
28 | #include "MiscSubclassDriver.h"\r | |
29 | \r | |
30 | #include <Protocol/MpService.h>\r | |
31 | #include <Protocol/DataHub.h>\r | |
32 | #include <Guid/DataHubRecords.h>\r | |
33 | #include <Library/CpuIA32.h>\r | |
34 | \r | |
35 | #define EfiProcessorFamilyIntelAtomProcessor 0x2B\r | |
36 | \r | |
37 | EFI_GUID mProcessorProducerGuid;\r | |
38 | \r | |
39 | \r | |
40 | /**\r | |
41 | Get cache SMBIOS record handle.\r | |
42 | \r | |
43 | @param Smbios Pointer to SMBIOS protocol instance.\r | |
44 | @param CacheLevel Level of cache, starting from one.\r | |
45 | @param Handle Returned record handle.\r | |
46 | \r | |
47 | **/\r | |
48 | \r | |
49 | VOID\r | |
50 | GetCacheHandle (\r | |
51 | IN EFI_SMBIOS_PROTOCOL *Smbios,\r | |
52 | IN UINT8 CacheLevel,\r | |
53 | OUT EFI_SMBIOS_HANDLE *Handle\r | |
54 | )\r | |
55 | {\r | |
56 | UINT16 CacheConfig;\r | |
57 | EFI_STATUS Status;\r | |
58 | EFI_SMBIOS_TYPE RecordType;\r | |
59 | EFI_SMBIOS_TABLE_HEADER *Buffer;\r | |
60 | \r | |
61 | *Handle = 0;\r | |
62 | RecordType = EFI_SMBIOS_TYPE_CACHE_INFORMATION;\r | |
63 | \r | |
64 | do {\r | |
65 | Status = Smbios->GetNext (\r | |
66 | Smbios,\r | |
67 | Handle,\r | |
68 | &RecordType,\r | |
69 | &Buffer,\r | |
70 | NULL\r | |
71 | );\r | |
72 | if (!EFI_ERROR(Status)) {\r | |
73 | CacheConfig = *(UINT16*)((UINT8*)Buffer + 5);\r | |
74 | if ((CacheConfig & 0x7) == (CacheLevel -1) ) {\r | |
75 | return;\r | |
76 | }\r | |
77 | }\r | |
78 | } while (!EFI_ERROR(Status));\r | |
79 | \r | |
80 | *Handle = 0xFFFF;\r | |
81 | }\r | |
82 | \r | |
83 | \r | |
84 | /**\r | |
85 | This function makes boot time changes to the contents of the\r | |
86 | MiscProcessorInformation (Type 4).\r | |
87 | \r | |
88 | @param RecordData Pointer to copy of RecordData from the Data Table.\r | |
89 | \r | |
90 | @retval EFI_SUCCESS All parameters were valid.\r | |
91 | @retval EFI_UNSUPPORTED Unexpected RecordType value.\r | |
92 | @retval EFI_INVALID_PARAMETER Invalid parameter was found.\r | |
93 | \r | |
94 | **/\r | |
95 | UINT32\r | |
96 | ConvertBase10ToRaw (\r | |
97 | IN EFI_EXP_BASE10_DATA *Data)\r | |
98 | {\r | |
99 | UINTN Index;\r | |
100 | UINT32 RawData;\r | |
101 | \r | |
102 | RawData = Data->Value;\r | |
103 | for (Index = 0; Index < (UINTN) Data->Exponent; Index++) {\r | |
104 | RawData *= 10;\r | |
105 | }\r | |
106 | \r | |
107 | return RawData;\r | |
108 | }\r | |
109 | \r | |
110 | #define BSEL_CR_OVERCLOCK_CONTROL 0xCD\r | |
111 | #define FUSE_BSEL_MASK 0x03\r | |
112 | \r | |
113 | \r | |
114 | \r | |
115 | UINT16 miFSBFrequencyTable[4] = {\r | |
116 | 83, // 83.3MHz\r | |
117 | 100, // 100MHz\r | |
118 | 133, // 133MHz\r | |
119 | 117 // 116.7MHz\r | |
120 | };\r | |
121 | \r | |
122 | /**\r | |
123 | Determine the processor core frequency\r | |
124 | \r | |
125 | @param None\r | |
126 | \r | |
127 | @retval Processor core frequency multiplied by 3\r | |
128 | \r | |
129 | \r | |
130 | **/\r | |
131 | UINT16\r | |
132 | DetermineiFsbFromMsr (\r | |
133 | VOID\r | |
134 | )\r | |
135 | {\r | |
136 | //\r | |
137 | // Determine the processor core frequency\r | |
138 | //\r | |
139 | UINT64 Temp;\r | |
140 | Temp = (EfiReadMsr (BSEL_CR_OVERCLOCK_CONTROL)) & FUSE_BSEL_MASK;\r | |
141 | return miFSBFrequencyTable[(UINT32)(Temp)];\r | |
142 | \r | |
143 | }\r | |
144 | \r | |
145 | MISC_SMBIOS_TABLE_FUNCTION (MiscProcessorInformation)\r | |
146 | {\r | |
147 | CHAR8 *OptionalStrStart;\r | |
148 | EFI_STRING SerialNumber;\r | |
149 | CHAR16 *Version=NULL;\r | |
150 | CHAR16 *Manufacturer=NULL;\r | |
151 | CHAR16 *Socket=NULL;\r | |
152 | CHAR16 *AssetTag=NULL;\r | |
153 | CHAR16 *PartNumber=NULL;\r | |
154 | UINTN SerialNumberStrLen=0;\r | |
155 | UINTN VersionStrLen=0;\r | |
156 | UINTN ManufacturerStrLen=0;\r | |
157 | UINTN SocketStrLen=0;\r | |
158 | UINTN AssetTagStrLen=0;\r | |
159 | UINTN PartNumberStrLen=0;\r | |
160 | UINTN ProcessorVoltage=0xAE;\r | |
161 | UINT32 Eax01;\r | |
162 | UINT32 Ebx01;\r | |
163 | UINT32 Ecx01;\r | |
164 | UINT32 Edx01;\r | |
165 | STRING_REF TokenToGet;\r | |
166 | EFI_STATUS Status;\r | |
167 | EFI_SMBIOS_HANDLE SmbiosHandle;\r | |
168 | SMBIOS_TABLE_TYPE4 *SmbiosRecord;\r | |
169 | EFI_CPU_DATA_RECORD *ForType4InputData;\r | |
170 | UINT16 L1CacheHandle=0;\r | |
171 | UINT16 L2CacheHandle=0;\r | |
172 | UINT16 L3CacheHandle=0;\r | |
173 | UINTN NumberOfEnabledProcessors=0 ;\r | |
174 | UINTN NumberOfProcessors=0;\r | |
175 | UINT64 Frequency = 0;\r | |
176 | EFI_MP_SERVICES_PROTOCOL *MpService;\r | |
177 | EFI_DATA_HUB_PROTOCOL *DataHub;\r | |
178 | UINT64 MonotonicCount;\r | |
179 | EFI_DATA_RECORD_HEADER *Record;\r | |
180 | EFI_SUBCLASS_TYPE1_HEADER *DataHeader;\r | |
181 | UINT8 *SrcData;\r | |
182 | UINT32 SrcDataSize;\r | |
183 | EFI_PROCESSOR_VERSION_DATA *ProcessorVersion;\r | |
184 | CHAR16 *NewStringToken;\r | |
185 | STRING_REF TokenToUpdate;\r | |
186 | PROCESSOR_ID_DATA *ProcessorId = NULL;\r | |
187 | \r | |
188 | \r | |
189 | //\r | |
190 | // First check for invalid parameters.\r | |
191 | //\r | |
192 | if (RecordData == NULL) {\r | |
193 | return EFI_INVALID_PARAMETER;\r | |
194 | }\r | |
195 | \r | |
196 | ForType4InputData = (EFI_CPU_DATA_RECORD *)RecordData;\r | |
197 | \r | |
198 | ProcessorId = AllocateZeroPool(sizeof(PROCESSOR_ID_DATA));\r | |
199 | if (ProcessorId == NULL) {\r | |
200 | return EFI_INVALID_PARAMETER;\r | |
201 | }\r | |
202 | \r | |
203 | //\r | |
204 | // Get the Data Hub Protocol. Assume only one instance\r | |
205 | //\r | |
206 | Status = gBS->LocateProtocol (\r | |
207 | &gEfiDataHubProtocolGuid,\r | |
208 | NULL,\r | |
209 | (VOID **)&DataHub\r | |
210 | );\r | |
211 | ASSERT_EFI_ERROR(Status);\r | |
212 | \r | |
213 | MonotonicCount = 0;\r | |
214 | Record = NULL;\r | |
215 | \r | |
216 | do {\r | |
217 | Status = DataHub->GetNextRecord (\r | |
218 | DataHub,\r | |
219 | &MonotonicCount,\r | |
220 | NULL,\r | |
221 | &Record\r | |
222 | );\r | |
223 | if (!EFI_ERROR(Status)) {\r | |
224 | if (Record->DataRecordClass == EFI_DATA_RECORD_CLASS_DATA) {\r | |
225 | \r | |
226 | DataHeader = (EFI_SUBCLASS_TYPE1_HEADER *)(Record + 1);\r | |
227 | SrcData = (UINT8 *)(DataHeader + 1);\r | |
228 | SrcDataSize = Record->RecordSize - Record->HeaderSize - sizeof (EFI_SUBCLASS_TYPE1_HEADER);\r | |
229 | \r | |
230 | //\r | |
231 | // Processor\r | |
232 | //\r | |
233 | if (CompareGuid(&Record->DataRecordGuid, &gEfiProcessorSubClassGuid)) {\r | |
234 | CopyMem (&mProcessorProducerGuid, &Record->ProducerName, sizeof(EFI_GUID));\r | |
235 | switch (DataHeader->RecordType) {\r | |
236 | case ProcessorVoltageRecordType:\r | |
237 | ProcessorVoltage = (((EFI_EXP_BASE10_DATA *)SrcData)->Value)/100 + 0x80;\r | |
238 | break;\r | |
239 | case ProcessorCoreFrequencyRecordType:\r | |
240 | DEBUG ((EFI_D_ERROR, "ProcessorCoreFrequencyRecordType SrcData1 =%d\n", ConvertBase10ToRaw((EFI_EXP_BASE10_DATA *)SrcData)/1000000));\r | |
241 | Frequency = (ConvertBase10ToRaw((EFI_EXP_BASE10_DATA *)SrcData)/1000000);\r | |
242 | break;\r | |
243 | case ProcessorVersionRecordType:\r | |
244 | ProcessorVersion = (EFI_PROCESSOR_VERSION_DATA *)SrcData;\r | |
245 | NewStringToken = HiiGetPackageString(&mProcessorProducerGuid, *ProcessorVersion, NULL);\r | |
246 | TokenToUpdate = (STRING_REF)STR_MISC_PROCESSOR_VERSION;\r | |
247 | HiiSetString(mHiiHandle, TokenToUpdate, NewStringToken, NULL);\r | |
248 | break;\r | |
249 | default:\r | |
250 | break;\r | |
251 | }\r | |
252 | }\r | |
253 | }\r | |
254 | }\r | |
255 | } while (!EFI_ERROR(Status) && (MonotonicCount != 0));\r | |
256 | \r | |
257 | //\r | |
258 | // Token to get for Socket Name\r | |
259 | //\r | |
260 | TokenToGet = STRING_TOKEN (STR_MISC_SOCKET_NAME);\r | |
261 | Socket = SmbiosMiscGetString (TokenToGet);\r | |
262 | SocketStrLen = StrLen(Socket);\r | |
263 | if (SocketStrLen > SMBIOS_STRING_MAX_LENGTH) {\r | |
264 | return EFI_UNSUPPORTED;\r | |
265 | }\r | |
266 | \r | |
267 | //\r | |
268 | // Token to get for Processor Manufacturer\r | |
269 | //\r | |
270 | TokenToGet = STRING_TOKEN (STR_MISC_PROCESSOR_MAUFACTURER);\r | |
271 | Manufacturer = SmbiosMiscGetString (TokenToGet);\r | |
272 | ManufacturerStrLen = StrLen(Manufacturer);\r | |
273 | if (ManufacturerStrLen > SMBIOS_STRING_MAX_LENGTH) {\r | |
274 | return EFI_UNSUPPORTED;\r | |
275 | }\r | |
276 | \r | |
277 | //\r | |
278 | // Token to get for Processor Version\r | |
279 | //\r | |
280 | TokenToGet = STRING_TOKEN (STR_MISC_PROCESSOR_VERSION);\r | |
281 | Version = SmbiosMiscGetString (TokenToGet);\r | |
282 | VersionStrLen = StrLen(Version);\r | |
283 | if (VersionStrLen > SMBIOS_STRING_MAX_LENGTH) {\r | |
284 | return EFI_UNSUPPORTED;\r | |
285 | }\r | |
286 | \r | |
287 | //\r | |
288 | // Token to get for Serial Number\r | |
289 | //\r | |
290 | TokenToGet = STRING_TOKEN (STR_MISC_PROCESSOR_SERIAL_NUMBER);\r | |
291 | SerialNumber = SmbiosMiscGetString (TokenToGet);\r | |
292 | SerialNumberStrLen = StrLen(SerialNumber);\r | |
293 | if (SerialNumberStrLen > SMBIOS_STRING_MAX_LENGTH) {\r | |
294 | return EFI_UNSUPPORTED;\r | |
295 | }\r | |
296 | \r | |
297 | //\r | |
298 | // Token to get for Assert Tag Information\r | |
299 | //\r | |
300 | TokenToGet = STRING_TOKEN (STR_MISC_ASSERT_TAG_DATA);\r | |
301 | AssetTag = SmbiosMiscGetString (TokenToGet);\r | |
302 | AssetTagStrLen = StrLen(AssetTag);\r | |
303 | if (AssetTagStrLen > SMBIOS_STRING_MAX_LENGTH) {\r | |
304 | return EFI_UNSUPPORTED;\r | |
305 | }\r | |
306 | \r | |
307 | //\r | |
308 | // Token to get for part number Information\r | |
309 | //\r | |
310 | TokenToGet = STRING_TOKEN (STR_MISC_PART_NUMBER);\r | |
311 | PartNumber = SmbiosMiscGetString (TokenToGet);\r | |
312 | PartNumberStrLen = StrLen(PartNumber);\r | |
313 | if (PartNumberStrLen > SMBIOS_STRING_MAX_LENGTH) {\r | |
314 | return EFI_UNSUPPORTED;\r | |
315 | }\r | |
316 | \r | |
317 | //\r | |
318 | // Two zeros following the last string.\r | |
319 | //\r | |
320 | SmbiosRecord = AllocateZeroPool(sizeof (SMBIOS_TABLE_TYPE4) + AssetTagStrLen + 1 + SocketStrLen + 1+ ManufacturerStrLen +1 + VersionStrLen+ 1+ SerialNumberStrLen + 1 + PartNumberStrLen+ 1 + 1);\r | |
321 | \r | |
322 | SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_PROCESSOR_INFORMATION;\r | |
323 | SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE4);\r | |
324 | \r | |
325 | //\r | |
326 | // Make handle chosen by smbios protocol.add automatically.\r | |
327 | //\r | |
328 | SmbiosRecord->Hdr.Handle = 0;\r | |
329 | \r | |
330 | SmbiosRecord-> Socket= 1;\r | |
331 | SmbiosRecord -> ProcessorManufacture = 2;\r | |
332 | SmbiosRecord -> ProcessorVersion = 3;\r | |
333 | SmbiosRecord ->SerialNumber =4;\r | |
334 | \r | |
335 | SmbiosRecord-> AssetTag= 5;\r | |
336 | SmbiosRecord-> PartNumber= 6;\r | |
337 | \r | |
338 | //\r | |
339 | // Processor Type\r | |
340 | //\r | |
341 | ForType4InputData-> VariableRecord.ProcessorType= EfiCentralProcessor;\r | |
342 | SmbiosRecord -> ProcessorType = ForType4InputData-> VariableRecord.ProcessorType;\r | |
343 | \r | |
344 | //\r | |
345 | // Processor Family\r | |
346 | //\r | |
347 | ForType4InputData-> VariableRecord.ProcessorFamily= EfiProcessorFamilyIntelAtomProcessor; //0x2B;;\r | |
348 | SmbiosRecord -> ProcessorFamily = ForType4InputData-> VariableRecord.ProcessorFamily;\r | |
349 | SmbiosRecord -> ExternalClock = DetermineiFsbFromMsr();\r | |
350 | \r | |
351 | //\r | |
352 | // Processor ID\r | |
353 | //\r | |
354 | AsmCpuid(0x001, &Eax01, &Ebx01, &Ecx01, &Edx01);\r | |
355 | ProcessorId->Signature = *(PROCESSOR_SIGNATURE *)&Eax01;\r | |
356 | ProcessorId->FeatureFlags = *(PROCESSOR_FEATURE_FLAGS *)&Edx01;\r | |
357 | SmbiosRecord -> ProcessorId = *(PROCESSOR_ID_DATA *)ProcessorId;\r | |
358 | \r | |
359 | //\r | |
360 | // Processor Voltage\r | |
361 | //\r | |
362 | ForType4InputData-> VariableRecord.ProcessorVoltage= *(EFI_PROCESSOR_VOLTAGE_DATA *)&ProcessorVoltage;\r | |
363 | SmbiosRecord -> Voltage = *(PROCESSOR_VOLTAGE *) &(ForType4InputData-> VariableRecord.ProcessorVoltage);\r | |
364 | \r | |
365 | //\r | |
366 | // Status\r | |
367 | //\r | |
368 | ForType4InputData-> VariableRecord.ProcessorHealthStatus= 0x41;//0x41;\r | |
369 | SmbiosRecord -> Status = ForType4InputData-> VariableRecord.ProcessorHealthStatus;\r | |
370 | \r | |
371 | //\r | |
372 | // Processor Upgrade\r | |
373 | //\r | |
374 | SmbiosRecord -> ProcessorUpgrade = 0x008;\r | |
375 | \r | |
376 | //\r | |
377 | // Processor Family 2\r | |
378 | //\r | |
379 | SmbiosRecord -> ProcessorFamily2 = ForType4InputData-> VariableRecord.ProcessorFamily;\r | |
380 | \r | |
381 | //\r | |
382 | // Processor speed\r | |
383 | //\r | |
384 | SmbiosRecord-> CurrentSpeed = *(UINT16*) & Frequency;\r | |
385 | SmbiosRecord-> MaxSpeed = *(UINT16*) & Frequency;\r | |
386 | \r | |
387 | //\r | |
388 | // Processor Characteristics\r | |
389 | //\r | |
390 | AsmCpuid(0x8000000, NULL, NULL, NULL, &Edx01);\r | |
391 | Edx01= Edx01 >> 28;\r | |
392 | Edx01 &= 0x01;\r | |
393 | SmbiosRecord-> ProcessorCharacteristics= (UINT16)Edx01;\r | |
394 | \r | |
395 | //\r | |
396 | // Processor Core Count and Enabled core count\r | |
397 | //\r | |
398 | Status = gBS->LocateProtocol (\r | |
399 | &gEfiMpServiceProtocolGuid,\r | |
400 | NULL,\r | |
401 | (void **)&MpService\r | |
402 | );\r | |
403 | if (!EFI_ERROR (Status)) {\r | |
404 | //\r | |
405 | // Determine the number of processors\r | |
406 | //\r | |
407 | MpService->GetNumberOfProcessors (\r | |
408 | MpService,\r | |
409 | &NumberOfProcessors,\r | |
410 | &NumberOfEnabledProcessors\r | |
411 | );\r | |
412 | }\r | |
413 | SmbiosRecord-> CoreCount= (UINT8)NumberOfProcessors;\r | |
414 | SmbiosRecord-> EnabledCoreCount= (UINT8)NumberOfEnabledProcessors;\r | |
415 | SmbiosRecord-> ThreadCount= (UINT8)NumberOfEnabledProcessors;\r | |
416 | SmbiosRecord-> ProcessorCharacteristics = 0x2; // Unknown\r | |
417 | \r | |
418 | //\r | |
419 | // Processor Cache Handle\r | |
420 | //\r | |
421 | GetCacheHandle( Smbios,1, &L1CacheHandle);\r | |
422 | GetCacheHandle( Smbios,2, &L2CacheHandle);\r | |
423 | GetCacheHandle( Smbios,3, &L3CacheHandle);\r | |
424 | \r | |
425 | //\r | |
426 | // Updating Cache Handle Information\r | |
427 | //\r | |
428 | SmbiosRecord->L1CacheHandle = L1CacheHandle;\r | |
429 | SmbiosRecord->L2CacheHandle = L2CacheHandle;\r | |
430 | SmbiosRecord->L3CacheHandle = L3CacheHandle;\r | |
431 | \r | |
432 | OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);\r | |
433 | UnicodeStrToAsciiStr(Socket, OptionalStrStart);\r | |
434 | UnicodeStrToAsciiStr(Manufacturer, OptionalStrStart + SocketStrLen + 1);\r | |
435 | UnicodeStrToAsciiStr(Version, OptionalStrStart + SocketStrLen + 1 + ManufacturerStrLen+ 1);\r | |
436 | UnicodeStrToAsciiStr(SerialNumber, OptionalStrStart + SocketStrLen + 1 + VersionStrLen + 1 + ManufacturerStrLen + 1);\r | |
437 | UnicodeStrToAsciiStr(AssetTag, OptionalStrStart + SerialNumberStrLen + 1 + VersionStrLen + 1 + ManufacturerStrLen + 1 + SocketStrLen + 1);\r | |
438 | UnicodeStrToAsciiStr(PartNumber, OptionalStrStart + SerialNumberStrLen + 1 + VersionStrLen + 1 + ManufacturerStrLen + 1 + SocketStrLen + 1 + AssetTagStrLen + 1 );\r | |
439 | \r | |
440 | //\r | |
441 | // Now we have got the full Smbios record, call Smbios protocol to add this record.\r | |
442 | //\r | |
443 | SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;\r | |
444 | Status = Smbios-> Add(\r | |
445 | Smbios,\r | |
446 | NULL,\r | |
447 | &SmbiosHandle,\r | |
448 | (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord\r | |
449 | );\r | |
450 | if (EFI_ERROR (Status)) return Status;\r | |
451 | FreePool(SmbiosRecord);\r | |
452 | return Status;\r | |
453 | \r | |
454 | }\r | |
455 | \r |