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80c4b236 JF |
1 | /** @file\r |
2 | CPU Features Initialize functions.\r | |
3 | \r | |
534fcb84 | 4 | Copyright (c) 2017 - 2020, Intel Corporation. All rights reserved.<BR>\r |
0acd8697 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
80c4b236 JF |
6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "RegisterCpuFeatures.h"\r | |
10 | \r | |
b3c71b47 | 11 | CHAR16 *mDependTypeStr[] = {L"None", L"Thread", L"Core", L"Package", L"Invalid" };\r |
b3c71b47 | 12 | \r |
80c4b236 JF |
13 | /**\r |
14 | Worker function to save PcdCpuFeaturesCapability.\r | |
15 | \r | |
16 | @param[in] SupportedFeatureMask The pointer to CPU feature bits mask buffer\r | |
3dafa038 | 17 | @param[in] BitMaskSize CPU feature bits mask buffer size.\r |
6214ffb4 | 18 | \r |
80c4b236 JF |
19 | **/\r |
20 | VOID\r | |
21 | SetCapabilityPcd (\r | |
6214ffb4 | 22 | IN UINT8 *SupportedFeatureMask,\r |
3dafa038 | 23 | IN UINTN BitMaskSize\r |
80c4b236 JF |
24 | )\r |
25 | {\r | |
26 | EFI_STATUS Status;\r | |
6214ffb4 | 27 | \r |
80c4b236 JF |
28 | Status = PcdSetPtrS (PcdCpuFeaturesCapability, &BitMaskSize, SupportedFeatureMask);\r |
29 | ASSERT_EFI_ERROR (Status);\r | |
30 | }\r | |
31 | \r | |
32 | /**\r | |
33 | Worker function to save PcdCpuFeaturesSetting.\r | |
34 | \r | |
35 | @param[in] SupportedFeatureMask The pointer to CPU feature bits mask buffer\r | |
3dafa038 | 36 | @param[in] BitMaskSize CPU feature bits mask buffer size.\r |
80c4b236 JF |
37 | **/\r |
38 | VOID\r | |
39 | SetSettingPcd (\r | |
3dafa038 ED |
40 | IN UINT8 *SupportedFeatureMask,\r |
41 | IN UINTN BitMaskSize\r | |
80c4b236 JF |
42 | )\r |
43 | {\r | |
44 | EFI_STATUS Status;\r | |
80c4b236 | 45 | \r |
80c4b236 JF |
46 | Status = PcdSetPtrS (PcdCpuFeaturesSetting, &BitMaskSize, SupportedFeatureMask);\r |
47 | ASSERT_EFI_ERROR (Status);\r | |
48 | }\r | |
49 | \r | |
80c4b236 JF |
50 | /**\r |
51 | Collects CPU type and feature information.\r | |
52 | \r | |
53 | @param[in, out] CpuInfo The pointer to CPU feature information\r | |
54 | **/\r | |
55 | VOID\r | |
56 | FillProcessorInfo (\r | |
57 | IN OUT REGISTER_CPU_FEATURE_INFORMATION *CpuInfo\r | |
58 | )\r | |
59 | {\r | |
60 | CPUID_VERSION_INFO_EAX Eax;\r | |
61 | CPUID_VERSION_INFO_ECX Ecx;\r | |
62 | CPUID_VERSION_INFO_EDX Edx;\r | |
63 | UINT32 DisplayedFamily;\r | |
64 | UINT32 DisplayedModel;\r | |
65 | \r | |
66 | AsmCpuid (CPUID_VERSION_INFO, &Eax.Uint32, NULL, &Ecx.Uint32, &Edx.Uint32);\r | |
67 | \r | |
68 | DisplayedFamily = Eax.Bits.FamilyId;\r | |
69 | if (Eax.Bits.FamilyId == 0x0F) {\r | |
70 | DisplayedFamily |= (Eax.Bits.ExtendedFamilyId << 4);\r | |
71 | }\r | |
72 | \r | |
73 | DisplayedModel = Eax.Bits.Model;\r | |
74 | if (Eax.Bits.FamilyId == 0x06 || Eax.Bits.FamilyId == 0x0f) {\r | |
75 | DisplayedModel |= (Eax.Bits.ExtendedModelId << 4);\r | |
76 | }\r | |
77 | \r | |
78 | CpuInfo->DisplayFamily = DisplayedFamily;\r | |
79 | CpuInfo->DisplayModel = DisplayedModel;\r | |
80 | CpuInfo->SteppingId = Eax.Bits.SteppingId;\r | |
81 | CpuInfo->ProcessorType = Eax.Bits.ProcessorType;\r | |
82 | CpuInfo->CpuIdVersionInfoEcx.Uint32 = Ecx.Uint32;\r | |
83 | CpuInfo->CpuIdVersionInfoEdx.Uint32 = Edx.Uint32;\r | |
84 | }\r | |
85 | \r | |
86 | /**\r | |
87 | Prepares for private data used for CPU features.\r | |
88 | \r | |
80c4b236 JF |
89 | **/\r |
90 | VOID\r | |
91 | CpuInitDataInitialize (\r | |
7217b879 | 92 | VOID\r |
80c4b236 JF |
93 | )\r |
94 | {\r | |
95 | EFI_STATUS Status;\r | |
96 | UINTN ProcessorNumber;\r | |
97 | EFI_PROCESSOR_INFORMATION ProcessorInfoBuffer;\r | |
98 | CPU_FEATURES_ENTRY *CpuFeature;\r | |
99 | CPU_FEATURES_INIT_ORDER *InitOrder;\r | |
100 | CPU_FEATURES_DATA *CpuFeaturesData;\r | |
101 | LIST_ENTRY *Entry;\r | |
b3c71b47 ED |
102 | UINT32 Core;\r |
103 | UINT32 Package;\r | |
104 | UINT32 Thread;\r | |
105 | EFI_CPU_PHYSICAL_LOCATION *Location;\r | |
534fcb84 RN |
106 | UINT32 PackageIndex;\r |
107 | UINT32 CoreIndex;\r | |
108 | UINT32 First;\r | |
b3c71b47 ED |
109 | ACPI_CPU_DATA *AcpiCpuData;\r |
110 | CPU_STATUS_INFORMATION *CpuStatus;\r | |
6af76adb RN |
111 | UINT32 *ThreadCountPerPackage;\r |
112 | UINT8 *ThreadCountPerCore;\r | |
7217b879 ED |
113 | UINTN NumberOfCpus;\r |
114 | UINTN NumberOfEnabledProcessors;\r | |
b3c71b47 ED |
115 | \r |
116 | Core = 0;\r | |
117 | Package = 0;\r | |
118 | Thread = 0;\r | |
80c4b236 JF |
119 | \r |
120 | CpuFeaturesData = GetCpuFeaturesData ();\r | |
7217b879 ED |
121 | \r |
122 | //\r | |
123 | // Initialize CpuFeaturesData->MpService as early as possile, so later function can use it.\r | |
124 | //\r | |
125 | CpuFeaturesData->MpService = GetMpService ();\r | |
126 | \r | |
127 | GetNumberOfProcessor (&NumberOfCpus, &NumberOfEnabledProcessors);\r | |
128 | \r | |
80c4b236 JF |
129 | CpuFeaturesData->InitOrder = AllocateZeroPool (sizeof (CPU_FEATURES_INIT_ORDER) * NumberOfCpus);\r |
130 | ASSERT (CpuFeaturesData->InitOrder != NULL);\r | |
80c4b236 JF |
131 | \r |
132 | //\r | |
133 | // Collect CPU Features information\r | |
134 | //\r | |
135 | Entry = GetFirstNode (&CpuFeaturesData->FeatureList);\r | |
136 | while (!IsNull (&CpuFeaturesData->FeatureList, Entry)) {\r | |
137 | CpuFeature = CPU_FEATURE_ENTRY_FROM_LINK (Entry);\r | |
138 | ASSERT (CpuFeature->InitializeFunc != NULL);\r | |
139 | if (CpuFeature->GetConfigDataFunc != NULL) {\r | |
140 | CpuFeature->ConfigData = CpuFeature->GetConfigDataFunc (NumberOfCpus);\r | |
141 | }\r | |
142 | Entry = Entry->ForwardLink;\r | |
143 | }\r | |
144 | \r | |
b3c71b47 ED |
145 | CpuFeaturesData->NumberOfCpus = (UINT32) NumberOfCpus;\r |
146 | \r | |
147 | AcpiCpuData = GetAcpiCpuData ();\r | |
148 | ASSERT (AcpiCpuData != NULL);\r | |
149 | CpuFeaturesData->AcpiCpuData= AcpiCpuData;\r | |
150 | \r | |
151 | CpuStatus = &AcpiCpuData->CpuStatus;\r | |
152 | Location = AllocateZeroPool (sizeof (EFI_CPU_PHYSICAL_LOCATION) * NumberOfCpus);\r | |
153 | ASSERT (Location != NULL);\r | |
154 | AcpiCpuData->ApLocation = (EFI_PHYSICAL_ADDRESS)(UINTN)Location;\r | |
155 | \r | |
80c4b236 JF |
156 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {\r |
157 | InitOrder = &CpuFeaturesData->InitOrder[ProcessorNumber];\r | |
158 | InitOrder->FeaturesSupportedMask = AllocateZeroPool (CpuFeaturesData->BitMaskSize);\r | |
159 | ASSERT (InitOrder->FeaturesSupportedMask != NULL);\r | |
160 | InitializeListHead (&InitOrder->OrderList);\r | |
161 | Status = GetProcessorInformation (ProcessorNumber, &ProcessorInfoBuffer);\r | |
162 | ASSERT_EFI_ERROR (Status);\r | |
163 | CopyMem (\r | |
164 | &InitOrder->CpuInfo.ProcessorInfo,\r | |
165 | &ProcessorInfoBuffer,\r | |
166 | sizeof (EFI_PROCESSOR_INFORMATION)\r | |
167 | );\r | |
b3c71b47 ED |
168 | CopyMem (\r |
169 | &Location[ProcessorNumber],\r | |
170 | &ProcessorInfoBuffer.Location,\r | |
171 | sizeof (EFI_CPU_PHYSICAL_LOCATION)\r | |
172 | );\r | |
173 | \r | |
174 | //\r | |
175 | // Collect CPU package count info.\r | |
176 | //\r | |
177 | if (Package < ProcessorInfoBuffer.Location.Package) {\r | |
178 | Package = ProcessorInfoBuffer.Location.Package;\r | |
179 | }\r | |
180 | //\r | |
181 | // Collect CPU max core count info.\r | |
182 | //\r | |
183 | if (Core < ProcessorInfoBuffer.Location.Core) {\r | |
184 | Core = ProcessorInfoBuffer.Location.Core;\r | |
185 | }\r | |
186 | //\r | |
187 | // Collect CPU max thread count info.\r | |
188 | //\r | |
189 | if (Thread < ProcessorInfoBuffer.Location.Thread) {\r | |
190 | Thread = ProcessorInfoBuffer.Location.Thread;\r | |
191 | }\r | |
80c4b236 | 192 | }\r |
b3c71b47 ED |
193 | CpuStatus->PackageCount = Package + 1;\r |
194 | CpuStatus->MaxCoreCount = Core + 1;\r | |
195 | CpuStatus->MaxThreadCount = Thread + 1;\r | |
196 | DEBUG ((DEBUG_INFO, "Processor Info: Package: %d, MaxCore : %d, MaxThread: %d\n",\r | |
197 | CpuStatus->PackageCount,\r | |
198 | CpuStatus->MaxCoreCount,\r | |
199 | CpuStatus->MaxThreadCount));\r | |
200 | \r | |
201 | //\r | |
202 | // Collect valid core count in each package because not all cores are valid.\r | |
203 | //\r | |
6af76adb RN |
204 | ThreadCountPerPackage = AllocateZeroPool (sizeof (UINT32) * CpuStatus->PackageCount);\r |
205 | ASSERT (ThreadCountPerPackage != NULL);\r | |
206 | CpuStatus->ThreadCountPerPackage = (EFI_PHYSICAL_ADDRESS)(UINTN)ThreadCountPerPackage;\r | |
207 | \r | |
208 | ThreadCountPerCore = AllocateZeroPool (sizeof (UINT8) * CpuStatus->PackageCount * CpuStatus->MaxCoreCount);\r | |
209 | ASSERT (ThreadCountPerCore != NULL);\r | |
210 | CpuStatus->ThreadCountPerCore = (EFI_PHYSICAL_ADDRESS)(UINTN)ThreadCountPerCore;\r | |
211 | \r | |
212 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {\r | |
213 | Location = &CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.ProcessorInfo.Location;\r | |
214 | ThreadCountPerPackage[Location->Package]++;\r | |
215 | ThreadCountPerCore[Location->Package * CpuStatus->MaxCoreCount + Location->Core]++;\r | |
b3c71b47 | 216 | }\r |
b3c71b47 | 217 | \r |
6af76adb RN |
218 | for (PackageIndex = 0; PackageIndex < CpuStatus->PackageCount; PackageIndex++) {\r |
219 | if (ThreadCountPerPackage[PackageIndex] != 0) {\r | |
220 | DEBUG ((DEBUG_INFO, "P%02d: Thread Count = %d\n", PackageIndex, ThreadCountPerPackage[PackageIndex]));\r | |
221 | for (CoreIndex = 0; CoreIndex < CpuStatus->MaxCoreCount; CoreIndex++) {\r | |
222 | if (ThreadCountPerCore[PackageIndex * CpuStatus->MaxCoreCount + CoreIndex] != 0) {\r | |
223 | DEBUG ((\r | |
224 | DEBUG_INFO, " P%02d C%04d, Thread Count = %d\n", PackageIndex, CoreIndex,\r | |
225 | ThreadCountPerCore[PackageIndex * CpuStatus->MaxCoreCount + CoreIndex]\r | |
226 | ));\r | |
227 | }\r | |
228 | }\r | |
229 | }\r | |
b3c71b47 ED |
230 | }\r |
231 | \r | |
91ff5bba ED |
232 | CpuFeaturesData->CpuFlags.CoreSemaphoreCount = AllocateZeroPool (sizeof (UINT32) * CpuStatus->PackageCount * CpuStatus->MaxCoreCount * CpuStatus->MaxThreadCount);\r |
233 | ASSERT (CpuFeaturesData->CpuFlags.CoreSemaphoreCount != NULL);\r | |
234 | CpuFeaturesData->CpuFlags.PackageSemaphoreCount = AllocateZeroPool (sizeof (UINT32) * CpuStatus->PackageCount * CpuStatus->MaxCoreCount * CpuStatus->MaxThreadCount);\r | |
235 | ASSERT (CpuFeaturesData->CpuFlags.PackageSemaphoreCount != NULL);\r | |
534fcb84 RN |
236 | \r |
237 | //\r | |
238 | // Initialize CpuFeaturesData->InitOrder[].CpuInfo.First\r | |
239 | //\r | |
240 | \r | |
241 | //\r | |
242 | // Set First.Package for each thread belonging to the first package.\r | |
243 | //\r | |
244 | First = MAX_UINT32;\r | |
245 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {\r | |
246 | Location = &CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.ProcessorInfo.Location;\r | |
247 | First = MIN (Location->Package, First);\r | |
248 | }\r | |
249 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {\r | |
250 | Location = &CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.ProcessorInfo.Location;\r | |
251 | if (Location->Package == First) {\r | |
252 | CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.First.Package = 1;\r | |
253 | }\r | |
254 | }\r | |
255 | \r | |
256 | //\r | |
257 | // Set First.Die/Tile/Module for each thread assuming:\r | |
258 | // single Die under each package, single Tile under each Die, single Module under each Tile\r | |
259 | //\r | |
260 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {\r | |
261 | CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.First.Die = 1;\r | |
262 | CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.First.Tile = 1;\r | |
263 | CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.First.Module = 1;\r | |
264 | }\r | |
265 | \r | |
266 | for (PackageIndex = 0; PackageIndex < CpuStatus->PackageCount; PackageIndex++) {\r | |
267 | //\r | |
268 | // Set First.Core for each thread in the first core of each package.\r | |
269 | //\r | |
270 | First = MAX_UINT32;\r | |
271 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {\r | |
272 | Location = &CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.ProcessorInfo.Location;\r | |
273 | if (Location->Package == PackageIndex) {\r | |
274 | First = MIN (Location->Core, First);\r | |
275 | }\r | |
276 | }\r | |
277 | \r | |
278 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {\r | |
279 | Location = &CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.ProcessorInfo.Location;\r | |
280 | if (Location->Package == PackageIndex && Location->Core == First) {\r | |
281 | CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.First.Core = 1;\r | |
282 | }\r | |
283 | }\r | |
284 | }\r | |
285 | \r | |
286 | for (PackageIndex = 0; PackageIndex < CpuStatus->PackageCount; PackageIndex++) {\r | |
287 | for (CoreIndex = 0; CoreIndex < CpuStatus->MaxCoreCount; CoreIndex++) {\r | |
288 | //\r | |
289 | // Set First.Thread for the first thread of each core.\r | |
290 | //\r | |
291 | First = MAX_UINT32;\r | |
292 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {\r | |
293 | Location = &CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.ProcessorInfo.Location;\r | |
294 | if (Location->Package == PackageIndex && Location->Core == CoreIndex) {\r | |
295 | First = MIN (Location->Thread, First);\r | |
296 | }\r | |
297 | }\r | |
298 | \r | |
299 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {\r | |
300 | Location = &CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.ProcessorInfo.Location;\r | |
301 | if (Location->Package == PackageIndex && Location->Core == CoreIndex && Location->Thread == First) {\r | |
302 | CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo.First.Thread = 1;\r | |
303 | }\r | |
304 | }\r | |
305 | }\r | |
306 | }\r | |
80c4b236 JF |
307 | }\r |
308 | \r | |
309 | /**\r | |
310 | Worker function to do OR operation on CPU feature supported bits mask buffer.\r | |
311 | \r | |
312 | @param[in] SupportedFeatureMask The pointer to CPU feature bits mask buffer\r | |
313 | @param[in] OrFeatureBitMask The feature bit mask to do OR operation\r | |
bbd357ae ED |
314 | @param[in] BitMaskSize The CPU feature bits mask buffer size.\r |
315 | \r | |
80c4b236 JF |
316 | **/\r |
317 | VOID\r | |
318 | SupportedMaskOr (\r | |
319 | IN UINT8 *SupportedFeatureMask,\r | |
bbd357ae ED |
320 | IN UINT8 *OrFeatureBitMask,\r |
321 | IN UINT32 BitMaskSize\r | |
80c4b236 JF |
322 | )\r |
323 | {\r | |
324 | UINTN Index;\r | |
80c4b236 JF |
325 | UINT8 *Data1;\r |
326 | UINT8 *Data2;\r | |
327 | \r | |
80c4b236 JF |
328 | Data1 = SupportedFeatureMask;\r |
329 | Data2 = OrFeatureBitMask;\r | |
330 | for (Index = 0; Index < BitMaskSize; Index++) {\r | |
331 | *(Data1++) |= *(Data2++);\r | |
332 | }\r | |
333 | }\r | |
334 | \r | |
335 | /**\r | |
336 | Worker function to do AND operation on CPU feature supported bits mask buffer.\r | |
337 | \r | |
338 | @param[in] SupportedFeatureMask The pointer to CPU feature bits mask buffer\r | |
339 | @param[in] AndFeatureBitMask The feature bit mask to do AND operation\r | |
3dafa038 ED |
340 | @param[in] BitMaskSize CPU feature bits mask buffer size.\r |
341 | \r | |
80c4b236 JF |
342 | **/\r |
343 | VOID\r | |
344 | SupportedMaskAnd (\r | |
6214ffb4 | 345 | IN UINT8 *SupportedFeatureMask,\r |
3dafa038 ED |
346 | IN CONST UINT8 *AndFeatureBitMask,\r |
347 | IN UINT32 BitMaskSize\r | |
80c4b236 JF |
348 | )\r |
349 | {\r | |
350 | UINTN Index;\r | |
80c4b236 | 351 | UINT8 *Data1;\r |
6214ffb4 | 352 | CONST UINT8 *Data2;\r |
80c4b236 | 353 | \r |
80c4b236 JF |
354 | Data1 = SupportedFeatureMask;\r |
355 | Data2 = AndFeatureBitMask;\r | |
356 | for (Index = 0; Index < BitMaskSize; Index++) {\r | |
357 | *(Data1++) &= *(Data2++);\r | |
358 | }\r | |
359 | }\r | |
360 | \r | |
05973f9e ED |
361 | /**\r |
362 | Worker function to clean bit operation on CPU feature supported bits mask buffer.\r | |
363 | \r | |
364 | @param[in] SupportedFeatureMask The pointer to CPU feature bits mask buffer\r | |
365 | @param[in] AndFeatureBitMask The feature bit mask to do XOR operation\r | |
3dafa038 | 366 | @param[in] BitMaskSize CPU feature bits mask buffer size.\r |
05973f9e ED |
367 | **/\r |
368 | VOID\r | |
369 | SupportedMaskCleanBit (\r | |
370 | IN UINT8 *SupportedFeatureMask,\r | |
3dafa038 ED |
371 | IN UINT8 *AndFeatureBitMask,\r |
372 | IN UINT32 BitMaskSize\r | |
05973f9e ED |
373 | )\r |
374 | {\r | |
375 | UINTN Index;\r | |
05973f9e ED |
376 | UINT8 *Data1;\r |
377 | UINT8 *Data2;\r | |
378 | \r | |
05973f9e ED |
379 | Data1 = SupportedFeatureMask;\r |
380 | Data2 = AndFeatureBitMask;\r | |
381 | for (Index = 0; Index < BitMaskSize; Index++) {\r | |
382 | *(Data1++) &= ~(*(Data2++));\r | |
383 | }\r | |
384 | }\r | |
385 | \r | |
80c4b236 JF |
386 | /**\r |
387 | Worker function to check if the compared CPU feature set in the CPU feature\r | |
388 | supported bits mask buffer.\r | |
389 | \r | |
390 | @param[in] SupportedFeatureMask The pointer to CPU feature bits mask buffer\r | |
391 | @param[in] ComparedFeatureBitMask The feature bit mask to be compared\r | |
3dafa038 | 392 | @param[in] BitMaskSize CPU feature bits mask buffer size.\r |
80c4b236 JF |
393 | \r |
394 | @retval TRUE The ComparedFeatureBitMask is set in CPU feature supported bits\r | |
395 | mask buffer.\r | |
396 | @retval FALSE The ComparedFeatureBitMask is not set in CPU feature supported bits\r | |
397 | mask buffer.\r | |
398 | **/\r | |
399 | BOOLEAN\r | |
400 | IsBitMaskMatch (\r | |
401 | IN UINT8 *SupportedFeatureMask,\r | |
3dafa038 ED |
402 | IN UINT8 *ComparedFeatureBitMask,\r |
403 | IN UINT32 BitMaskSize\r | |
80c4b236 JF |
404 | )\r |
405 | {\r | |
406 | UINTN Index;\r | |
80c4b236 JF |
407 | UINT8 *Data1;\r |
408 | UINT8 *Data2;\r | |
409 | \r | |
80c4b236 JF |
410 | Data1 = SupportedFeatureMask;\r |
411 | Data2 = ComparedFeatureBitMask;\r | |
412 | for (Index = 0; Index < BitMaskSize; Index++) {\r | |
413 | if (((*(Data1++)) & (*(Data2++))) != 0) {\r | |
414 | return TRUE;\r | |
415 | }\r | |
416 | }\r | |
417 | return FALSE;\r | |
418 | }\r | |
419 | \r | |
420 | /**\r | |
421 | Collects processor data for calling processor.\r | |
422 | \r | |
423 | @param[in,out] Buffer The pointer to private data buffer.\r | |
424 | **/\r | |
425 | VOID\r | |
426 | EFIAPI\r | |
427 | CollectProcessorData (\r | |
428 | IN OUT VOID *Buffer\r | |
429 | )\r | |
430 | {\r | |
431 | UINTN ProcessorNumber;\r | |
432 | CPU_FEATURES_ENTRY *CpuFeature;\r | |
433 | REGISTER_CPU_FEATURE_INFORMATION *CpuInfo;\r | |
434 | LIST_ENTRY *Entry;\r | |
435 | CPU_FEATURES_DATA *CpuFeaturesData;\r | |
436 | \r | |
b3c71b47 | 437 | CpuFeaturesData = (CPU_FEATURES_DATA *)Buffer;\r |
7217b879 | 438 | ProcessorNumber = GetProcessorIndex (CpuFeaturesData);\r |
80c4b236 JF |
439 | CpuInfo = &CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo;\r |
440 | //\r | |
441 | // collect processor information\r | |
442 | //\r | |
443 | FillProcessorInfo (CpuInfo);\r | |
444 | Entry = GetFirstNode (&CpuFeaturesData->FeatureList);\r | |
445 | while (!IsNull (&CpuFeaturesData->FeatureList, Entry)) {\r | |
446 | CpuFeature = CPU_FEATURE_ENTRY_FROM_LINK (Entry);\r | |
001c2c80 ED |
447 | if (CpuFeature->SupportFunc == NULL) {\r |
448 | //\r | |
449 | // If SupportFunc is NULL, then the feature is supported.\r | |
450 | //\r | |
451 | SupportedMaskOr (\r | |
452 | CpuFeaturesData->InitOrder[ProcessorNumber].FeaturesSupportedMask,\r | |
bbd357ae ED |
453 | CpuFeature->FeatureMask,\r |
454 | CpuFeaturesData->BitMaskSize\r | |
001c2c80 ED |
455 | );\r |
456 | } else if (CpuFeature->SupportFunc (ProcessorNumber, CpuInfo, CpuFeature->ConfigData)) {\r | |
457 | SupportedMaskOr (\r | |
458 | CpuFeaturesData->InitOrder[ProcessorNumber].FeaturesSupportedMask,\r | |
bbd357ae ED |
459 | CpuFeature->FeatureMask,\r |
460 | CpuFeaturesData->BitMaskSize\r | |
001c2c80 | 461 | );\r |
80c4b236 JF |
462 | }\r |
463 | Entry = Entry->ForwardLink;\r | |
464 | }\r | |
465 | }\r | |
466 | \r | |
467 | /**\r | |
468 | Dump the contents of a CPU register table.\r | |
469 | \r | |
470 | @param[in] ProcessorNumber The index of the CPU to show the register table contents\r | |
471 | \r | |
472 | @note This service could be called by BSP only.\r | |
473 | **/\r | |
474 | VOID\r | |
475 | DumpRegisterTableOnProcessor (\r | |
476 | IN UINTN ProcessorNumber\r | |
477 | )\r | |
478 | {\r | |
479 | CPU_FEATURES_DATA *CpuFeaturesData;\r | |
480 | UINTN FeatureIndex;\r | |
481 | CPU_REGISTER_TABLE *RegisterTable;\r | |
482 | CPU_REGISTER_TABLE_ENTRY *RegisterTableEntry;\r | |
483 | CPU_REGISTER_TABLE_ENTRY *RegisterTableEntryHead;\r | |
484 | UINT32 DebugPrintErrorLevel;\r | |
485 | \r | |
486 | DebugPrintErrorLevel = (ProcessorNumber == 0) ? DEBUG_INFO : DEBUG_VERBOSE;\r | |
487 | CpuFeaturesData = GetCpuFeaturesData ();\r | |
488 | //\r | |
489 | // Debug information\r | |
490 | //\r | |
491 | RegisterTable = &CpuFeaturesData->RegisterTable[ProcessorNumber];\r | |
492 | DEBUG ((DebugPrintErrorLevel, "RegisterTable->TableLength = %d\n", RegisterTable->TableLength));\r | |
493 | \r | |
494 | RegisterTableEntryHead = (CPU_REGISTER_TABLE_ENTRY *) (UINTN) RegisterTable->RegisterTableEntry;\r | |
495 | \r | |
496 | for (FeatureIndex = 0; FeatureIndex < RegisterTable->TableLength; FeatureIndex++) {\r | |
497 | RegisterTableEntry = &RegisterTableEntryHead[FeatureIndex];\r | |
498 | switch (RegisterTableEntry->RegisterType) {\r | |
499 | case Msr:\r | |
500 | DEBUG ((\r | |
501 | DebugPrintErrorLevel,\r | |
a6416d91 | 502 | "Processor: %04d: Index %04d, MSR : %08x, Bit Start: %02d, Bit Length: %02d, Value: %016lx\r\n",\r |
c73fce3d SZ |
503 | (UINT32) ProcessorNumber,\r |
504 | (UINT32) FeatureIndex,\r | |
80c4b236 JF |
505 | RegisterTableEntry->Index,\r |
506 | RegisterTableEntry->ValidBitStart,\r | |
507 | RegisterTableEntry->ValidBitLength,\r | |
508 | RegisterTableEntry->Value\r | |
509 | ));\r | |
510 | break;\r | |
511 | case ControlRegister:\r | |
512 | DEBUG ((\r | |
513 | DebugPrintErrorLevel,\r | |
a6416d91 | 514 | "Processor: %04d: Index %04d, CR : %08x, Bit Start: %02d, Bit Length: %02d, Value: %016lx\r\n",\r |
c73fce3d SZ |
515 | (UINT32) ProcessorNumber,\r |
516 | (UINT32) FeatureIndex,\r | |
80c4b236 JF |
517 | RegisterTableEntry->Index,\r |
518 | RegisterTableEntry->ValidBitStart,\r | |
519 | RegisterTableEntry->ValidBitLength,\r | |
520 | RegisterTableEntry->Value\r | |
521 | ));\r | |
522 | break;\r | |
523 | case MemoryMapped:\r | |
524 | DEBUG ((\r | |
525 | DebugPrintErrorLevel,\r | |
c73fce3d SZ |
526 | "Processor: %04d: Index %04d, MMIO : %016lx, Bit Start: %02d, Bit Length: %02d, Value: %016lx\r\n",\r |
527 | (UINT32) ProcessorNumber,\r | |
528 | (UINT32) FeatureIndex,\r | |
80c4b236 JF |
529 | RegisterTableEntry->Index | LShiftU64 (RegisterTableEntry->HighIndex, 32),\r |
530 | RegisterTableEntry->ValidBitStart,\r | |
531 | RegisterTableEntry->ValidBitLength,\r | |
532 | RegisterTableEntry->Value\r | |
533 | ));\r | |
534 | break;\r | |
535 | case CacheControl:\r | |
536 | DEBUG ((\r | |
537 | DebugPrintErrorLevel,\r | |
c73fce3d SZ |
538 | "Processor: %04d: Index %04d, CACHE: %08x, Bit Start: %02d, Bit Length: %02d, Value: %016lx\r\n",\r |
539 | (UINT32) ProcessorNumber,\r | |
540 | (UINT32) FeatureIndex,\r | |
80c4b236 JF |
541 | RegisterTableEntry->Index,\r |
542 | RegisterTableEntry->ValidBitStart,\r | |
543 | RegisterTableEntry->ValidBitLength,\r | |
544 | RegisterTableEntry->Value\r | |
545 | ));\r | |
546 | break;\r | |
b3c71b47 ED |
547 | case Semaphore:\r |
548 | DEBUG ((\r | |
549 | DebugPrintErrorLevel,\r | |
a6416d91 | 550 | "Processor: %04d: Index %04d, SEMAP: %s\r\n",\r |
c73fce3d SZ |
551 | (UINT32) ProcessorNumber,\r |
552 | (UINT32) FeatureIndex,\r | |
beabfd58 | 553 | mDependTypeStr[MIN ((UINT32)RegisterTableEntry->Value, InvalidDepType)]\r |
b3c71b47 ED |
554 | ));\r |
555 | break;\r | |
556 | \r | |
80c4b236 JF |
557 | default:\r |
558 | break;\r | |
559 | }\r | |
560 | }\r | |
561 | }\r | |
562 | \r | |
c1528b85 ED |
563 | /**\r |
564 | Get the biggest dependence type.\r | |
565 | PackageDepType > CoreDepType > ThreadDepType > NoneDepType.\r | |
566 | \r | |
567 | @param[in] BeforeDep Before dependence type.\r | |
568 | @param[in] AfterDep After dependence type.\r | |
569 | @param[in] NoneNeibBeforeDep Before dependence type for not neighborhood features.\r | |
570 | @param[in] NoneNeibAfterDep After dependence type for not neighborhood features.\r | |
571 | \r | |
572 | @retval Return the biggest dependence type.\r | |
573 | **/\r | |
574 | CPU_FEATURE_DEPENDENCE_TYPE\r | |
575 | BiggestDep (\r | |
576 | IN CPU_FEATURE_DEPENDENCE_TYPE BeforeDep,\r | |
577 | IN CPU_FEATURE_DEPENDENCE_TYPE AfterDep,\r | |
578 | IN CPU_FEATURE_DEPENDENCE_TYPE NoneNeibBeforeDep,\r | |
579 | IN CPU_FEATURE_DEPENDENCE_TYPE NoneNeibAfterDep\r | |
580 | )\r | |
581 | {\r | |
582 | CPU_FEATURE_DEPENDENCE_TYPE Bigger;\r | |
583 | \r | |
584 | Bigger = MAX (BeforeDep, AfterDep);\r | |
585 | Bigger = MAX (Bigger, NoneNeibBeforeDep);\r | |
586 | return MAX(Bigger, NoneNeibAfterDep);\r | |
587 | }\r | |
588 | \r | |
80c4b236 JF |
589 | /**\r |
590 | Analysis register CPU features on each processor and save CPU setting in CPU register table.\r | |
591 | \r | |
592 | @param[in] NumberOfCpus Number of processor in system\r | |
593 | \r | |
594 | **/\r | |
595 | VOID\r | |
596 | AnalysisProcessorFeatures (\r | |
597 | IN UINTN NumberOfCpus\r | |
598 | )\r | |
599 | {\r | |
600 | EFI_STATUS Status;\r | |
601 | UINTN ProcessorNumber;\r | |
602 | CPU_FEATURES_ENTRY *CpuFeature;\r | |
603 | CPU_FEATURES_ENTRY *CpuFeatureInOrder;\r | |
604 | CPU_FEATURES_INIT_ORDER *CpuInitOrder;\r | |
605 | REGISTER_CPU_FEATURE_INFORMATION *CpuInfo;\r | |
606 | LIST_ENTRY *Entry;\r | |
607 | CPU_FEATURES_DATA *CpuFeaturesData;\r | |
b3c71b47 ED |
608 | LIST_ENTRY *NextEntry;\r |
609 | CPU_FEATURES_ENTRY *NextCpuFeatureInOrder;\r | |
610 | BOOLEAN Success;\r | |
611 | CPU_FEATURE_DEPENDENCE_TYPE BeforeDep;\r | |
612 | CPU_FEATURE_DEPENDENCE_TYPE AfterDep;\r | |
c1528b85 ED |
613 | CPU_FEATURE_DEPENDENCE_TYPE NoneNeibBeforeDep;\r |
614 | CPU_FEATURE_DEPENDENCE_TYPE NoneNeibAfterDep;\r | |
80c4b236 JF |
615 | \r |
616 | CpuFeaturesData = GetCpuFeaturesData ();\r | |
7d3a7c22 SB |
617 | CpuFeaturesData->CapabilityPcd = AllocatePool (CpuFeaturesData->BitMaskSize);\r |
618 | ASSERT (CpuFeaturesData->CapabilityPcd != NULL);\r | |
619 | SetMem (CpuFeaturesData->CapabilityPcd, CpuFeaturesData->BitMaskSize, 0xFF);\r | |
80c4b236 JF |
620 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {\r |
621 | CpuInitOrder = &CpuFeaturesData->InitOrder[ProcessorNumber];\r | |
622 | //\r | |
623 | // Calculate the last capability on all processors\r | |
624 | //\r | |
3dafa038 | 625 | SupportedMaskAnd (CpuFeaturesData->CapabilityPcd, CpuInitOrder->FeaturesSupportedMask, CpuFeaturesData->BitMaskSize);\r |
80c4b236 JF |
626 | }\r |
627 | //\r | |
628 | // Calculate the last setting\r | |
629 | //\r | |
7d3a7c22 SB |
630 | CpuFeaturesData->SettingPcd = AllocateCopyPool (CpuFeaturesData->BitMaskSize, CpuFeaturesData->CapabilityPcd);\r |
631 | ASSERT (CpuFeaturesData->SettingPcd != NULL);\r | |
3dafa038 | 632 | SupportedMaskAnd (CpuFeaturesData->SettingPcd, PcdGetPtr (PcdCpuFeaturesSetting), CpuFeaturesData->BitMaskSize);\r |
80c4b236 JF |
633 | \r |
634 | //\r | |
635 | // Dump the last CPU feature list\r | |
636 | //\r | |
637 | DEBUG_CODE (\r | |
638 | DEBUG ((DEBUG_INFO, "Last CPU features list...\n"));\r | |
639 | Entry = GetFirstNode (&CpuFeaturesData->FeatureList);\r | |
640 | while (!IsNull (&CpuFeaturesData->FeatureList, Entry)) {\r | |
641 | CpuFeature = CPU_FEATURE_ENTRY_FROM_LINK (Entry);\r | |
3dafa038 ED |
642 | if (IsBitMaskMatch (CpuFeature->FeatureMask, CpuFeaturesData->CapabilityPcd, CpuFeaturesData->BitMaskSize)) {\r |
643 | if (IsBitMaskMatch (CpuFeature->FeatureMask, CpuFeaturesData->SettingPcd, CpuFeaturesData->BitMaskSize)) {\r | |
80c4b236 JF |
644 | DEBUG ((DEBUG_INFO, "[Enable ] "));\r |
645 | } else {\r | |
646 | DEBUG ((DEBUG_INFO, "[Disable ] "));\r | |
647 | }\r | |
648 | } else {\r | |
649 | DEBUG ((DEBUG_INFO, "[Unsupport] "));\r | |
650 | }\r | |
3dafa038 | 651 | DumpCpuFeature (CpuFeature, CpuFeaturesData->BitMaskSize);\r |
80c4b236 JF |
652 | Entry = Entry->ForwardLink;\r |
653 | }\r | |
80c4b236 | 654 | DEBUG ((DEBUG_INFO, "PcdCpuFeaturesCapability:\n"));\r |
3dafa038 | 655 | DumpCpuFeatureMask (CpuFeaturesData->CapabilityPcd, CpuFeaturesData->BitMaskSize);\r |
6214ffb4 | 656 | DEBUG ((DEBUG_INFO, "Origin PcdCpuFeaturesSetting:\n"));\r |
3dafa038 | 657 | DumpCpuFeatureMask (PcdGetPtr (PcdCpuFeaturesSetting), CpuFeaturesData->BitMaskSize);\r |
6214ffb4 | 658 | DEBUG ((DEBUG_INFO, "Final PcdCpuFeaturesSetting:\n"));\r |
3dafa038 | 659 | DumpCpuFeatureMask (CpuFeaturesData->SettingPcd, CpuFeaturesData->BitMaskSize);\r |
80c4b236 JF |
660 | );\r |
661 | \r | |
6214ffb4 ED |
662 | //\r |
663 | // Save PCDs and display CPU PCDs\r | |
664 | //\r | |
665 | SetCapabilityPcd (CpuFeaturesData->CapabilityPcd, CpuFeaturesData->BitMaskSize);\r | |
3dafa038 | 666 | SetSettingPcd (CpuFeaturesData->SettingPcd, CpuFeaturesData->BitMaskSize);\r |
6214ffb4 | 667 | \r |
80c4b236 JF |
668 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfCpus; ProcessorNumber++) {\r |
669 | CpuInitOrder = &CpuFeaturesData->InitOrder[ProcessorNumber];\r | |
670 | Entry = GetFirstNode (&CpuFeaturesData->FeatureList);\r | |
671 | while (!IsNull (&CpuFeaturesData->FeatureList, Entry)) {\r | |
672 | //\r | |
673 | // Insert each feature into processor's order list\r | |
674 | //\r | |
675 | CpuFeature = CPU_FEATURE_ENTRY_FROM_LINK (Entry);\r | |
3dafa038 | 676 | if (IsBitMaskMatch (CpuFeature->FeatureMask, CpuFeaturesData->CapabilityPcd, CpuFeaturesData->BitMaskSize)) {\r |
80c4b236 JF |
677 | CpuFeatureInOrder = AllocateCopyPool (sizeof (CPU_FEATURES_ENTRY), CpuFeature);\r |
678 | ASSERT (CpuFeatureInOrder != NULL);\r | |
679 | InsertTailList (&CpuInitOrder->OrderList, &CpuFeatureInOrder->Link);\r | |
680 | }\r | |
681 | Entry = Entry->ForwardLink;\r | |
682 | }\r | |
683 | //\r | |
684 | // Go through ordered feature list to initialize CPU features\r | |
685 | //\r | |
686 | CpuInfo = &CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo;\r | |
687 | Entry = GetFirstNode (&CpuInitOrder->OrderList);\r | |
688 | while (!IsNull (&CpuInitOrder->OrderList, Entry)) {\r | |
689 | CpuFeatureInOrder = CPU_FEATURE_ENTRY_FROM_LINK (Entry);\r | |
c1528b85 | 690 | \r |
b3c71b47 | 691 | Success = FALSE;\r |
3dafa038 | 692 | if (IsBitMaskMatch (CpuFeatureInOrder->FeatureMask, CpuFeaturesData->SettingPcd, CpuFeaturesData->BitMaskSize)) {\r |
80c4b236 | 693 | Status = CpuFeatureInOrder->InitializeFunc (ProcessorNumber, CpuInfo, CpuFeatureInOrder->ConfigData, TRUE);\r |
05973f9e ED |
694 | if (EFI_ERROR (Status)) {\r |
695 | //\r | |
696 | // Clean the CpuFeatureInOrder->FeatureMask in setting PCD.\r | |
697 | //\r | |
3dafa038 | 698 | SupportedMaskCleanBit (CpuFeaturesData->SettingPcd, CpuFeatureInOrder->FeatureMask, CpuFeaturesData->BitMaskSize);\r |
05973f9e | 699 | if (CpuFeatureInOrder->FeatureName != NULL) {\r |
2bda6247 | 700 | DEBUG ((DEBUG_WARN, "Warning :: Failed to enable Feature: Name = %a.\n", CpuFeatureInOrder->FeatureName));\r |
05973f9e | 701 | } else {\r |
2bda6247 | 702 | DEBUG ((DEBUG_WARN, "Warning :: Failed to enable Feature: Mask = "));\r |
3dafa038 | 703 | DumpCpuFeatureMask (CpuFeatureInOrder->FeatureMask, CpuFeaturesData->BitMaskSize);\r |
05973f9e | 704 | }\r |
b3c71b47 ED |
705 | } else {\r |
706 | Success = TRUE;\r | |
05973f9e | 707 | }\r |
80c4b236 JF |
708 | } else {\r |
709 | Status = CpuFeatureInOrder->InitializeFunc (ProcessorNumber, CpuInfo, CpuFeatureInOrder->ConfigData, FALSE);\r | |
852b3935 ED |
710 | if (EFI_ERROR (Status)) {\r |
711 | if (CpuFeatureInOrder->FeatureName != NULL) {\r | |
2bda6247 | 712 | DEBUG ((DEBUG_WARN, "Warning :: Failed to disable Feature: Name = %a.\n", CpuFeatureInOrder->FeatureName));\r |
852b3935 | 713 | } else {\r |
2bda6247 | 714 | DEBUG ((DEBUG_WARN, "Warning :: Failed to disable Feature: Mask = "));\r |
3dafa038 | 715 | DumpCpuFeatureMask (CpuFeatureInOrder->FeatureMask, CpuFeaturesData->BitMaskSize);\r |
852b3935 | 716 | }\r |
b3c71b47 ED |
717 | } else {\r |
718 | Success = TRUE;\r | |
852b3935 | 719 | }\r |
80c4b236 | 720 | }\r |
b3c71b47 ED |
721 | \r |
722 | if (Success) {\r | |
c1528b85 ED |
723 | NextEntry = Entry->ForwardLink;\r |
724 | if (!IsNull (&CpuInitOrder->OrderList, NextEntry)) {\r | |
725 | NextCpuFeatureInOrder = CPU_FEATURE_ENTRY_FROM_LINK (NextEntry);\r | |
726 | \r | |
727 | //\r | |
728 | // If feature has dependence with the next feature (ONLY care core/package dependency).\r | |
729 | // and feature initialize succeed, add sync semaphere here.\r | |
730 | //\r | |
1475b83f ED |
731 | BeforeDep = DetectFeatureScope (CpuFeatureInOrder, TRUE, NextCpuFeatureInOrder->FeatureMask);\r |
732 | AfterDep = DetectFeatureScope (NextCpuFeatureInOrder, FALSE, CpuFeatureInOrder->FeatureMask);\r | |
c1528b85 ED |
733 | //\r |
734 | // Check whether next feature has After type dependence with not neighborhood CPU\r | |
735 | // Features in former CPU features.\r | |
736 | //\r | |
737 | NoneNeibAfterDep = DetectNoneNeighborhoodFeatureScope(NextCpuFeatureInOrder, FALSE, &CpuInitOrder->OrderList);\r | |
b3c71b47 | 738 | } else {\r |
c1528b85 ED |
739 | BeforeDep = NoneDepType;\r |
740 | AfterDep = NoneDepType;\r | |
741 | NoneNeibAfterDep = NoneDepType;\r | |
b3c71b47 ED |
742 | }\r |
743 | //\r | |
c1528b85 ED |
744 | // Check whether current feature has Before type dependence with none neighborhood\r |
745 | // CPU features in after Cpu features.\r | |
746 | //\r | |
747 | NoneNeibBeforeDep = DetectNoneNeighborhoodFeatureScope(CpuFeatureInOrder, TRUE, &CpuInitOrder->OrderList);\r | |
748 | \r | |
749 | //\r | |
750 | // Get the biggest dependence and add semaphore for it.\r | |
751 | // PackageDepType > CoreDepType > ThreadDepType > NoneDepType.\r | |
b3c71b47 | 752 | //\r |
c1528b85 | 753 | BeforeDep = BiggestDep(BeforeDep, AfterDep, NoneNeibBeforeDep, NoneNeibAfterDep);\r |
b3c71b47 ED |
754 | if (BeforeDep > ThreadDepType) {\r |
755 | CPU_REGISTER_TABLE_WRITE32 (ProcessorNumber, Semaphore, 0, BeforeDep);\r | |
756 | }\r | |
b3c71b47 ED |
757 | }\r |
758 | \r | |
c1528b85 | 759 | Entry = Entry->ForwardLink;\r |
80c4b236 | 760 | }\r |
05973f9e ED |
761 | \r |
762 | //\r | |
763 | // Dump PcdCpuFeaturesSetting again because this value maybe updated\r | |
764 | // again during initialize the features.\r | |
765 | //\r | |
766 | DEBUG ((DEBUG_INFO, "Dump final value for PcdCpuFeaturesSetting:\n"));\r | |
3dafa038 | 767 | DumpCpuFeatureMask (CpuFeaturesData->SettingPcd, CpuFeaturesData->BitMaskSize);\r |
05973f9e | 768 | \r |
80c4b236 JF |
769 | //\r |
770 | // Dump the RegisterTable\r | |
771 | //\r | |
772 | DumpRegisterTableOnProcessor (ProcessorNumber);\r | |
773 | }\r | |
774 | }\r | |
775 | \r | |
b3c71b47 ED |
776 | /**\r |
777 | Increment semaphore by 1.\r | |
778 | \r | |
779 | @param Sem IN: 32-bit unsigned integer\r | |
780 | \r | |
781 | **/\r | |
782 | VOID\r | |
783 | LibReleaseSemaphore (\r | |
784 | IN OUT volatile UINT32 *Sem\r | |
785 | )\r | |
786 | {\r | |
787 | InterlockedIncrement (Sem);\r | |
788 | }\r | |
789 | \r | |
790 | /**\r | |
791 | Decrement the semaphore by 1 if it is not zero.\r | |
792 | \r | |
793 | Performs an atomic decrement operation for semaphore.\r | |
794 | The compare exchange operation must be performed using\r | |
795 | MP safe mechanisms.\r | |
796 | \r | |
797 | @param Sem IN: 32-bit unsigned integer\r | |
798 | \r | |
799 | **/\r | |
800 | VOID\r | |
801 | LibWaitForSemaphore (\r | |
802 | IN OUT volatile UINT32 *Sem\r | |
803 | )\r | |
804 | {\r | |
805 | UINT32 Value;\r | |
806 | \r | |
807 | do {\r | |
808 | Value = *Sem;\r | |
809 | } while (Value == 0 ||\r | |
810 | InterlockedCompareExchange32 (\r | |
811 | Sem,\r | |
812 | Value,\r | |
813 | Value - 1\r | |
814 | ) != Value);\r | |
815 | }\r | |
816 | \r | |
6b3645ad ED |
817 | /**\r |
818 | Read / write CR value.\r | |
819 | \r | |
820 | @param[in] CrIndex The CR index which need to read/write.\r | |
821 | @param[in] Read Read or write. TRUE is read.\r | |
822 | @param[in,out] CrValue CR value.\r | |
823 | \r | |
824 | @retval EFI_SUCCESS means read/write success, else return EFI_UNSUPPORTED.\r | |
825 | **/\r | |
826 | UINTN\r | |
827 | ReadWriteCr (\r | |
828 | IN UINT32 CrIndex,\r | |
829 | IN BOOLEAN Read,\r | |
830 | IN OUT UINTN *CrValue\r | |
831 | )\r | |
832 | {\r | |
833 | switch (CrIndex) {\r | |
834 | case 0:\r | |
835 | if (Read) {\r | |
836 | *CrValue = AsmReadCr0 ();\r | |
837 | } else {\r | |
838 | AsmWriteCr0 (*CrValue);\r | |
839 | }\r | |
840 | break;\r | |
841 | case 2:\r | |
842 | if (Read) {\r | |
843 | *CrValue = AsmReadCr2 ();\r | |
844 | } else {\r | |
845 | AsmWriteCr2 (*CrValue);\r | |
846 | }\r | |
847 | break;\r | |
848 | case 3:\r | |
849 | if (Read) {\r | |
850 | *CrValue = AsmReadCr3 ();\r | |
851 | } else {\r | |
852 | AsmWriteCr3 (*CrValue);\r | |
853 | }\r | |
854 | break;\r | |
855 | case 4:\r | |
856 | if (Read) {\r | |
857 | *CrValue = AsmReadCr4 ();\r | |
858 | } else {\r | |
859 | AsmWriteCr4 (*CrValue);\r | |
860 | }\r | |
861 | break;\r | |
862 | default:\r | |
863 | return EFI_UNSUPPORTED;;\r | |
864 | }\r | |
865 | \r | |
866 | return EFI_SUCCESS;\r | |
867 | }\r | |
868 | \r | |
80c4b236 JF |
869 | /**\r |
870 | Initialize the CPU registers from a register table.\r | |
871 | \r | |
b3c71b47 ED |
872 | @param[in] RegisterTable The register table for this AP.\r |
873 | @param[in] ApLocation AP location info for this ap.\r | |
874 | @param[in] CpuStatus CPU status info for this CPU.\r | |
875 | @param[in] CpuFlags Flags data structure used when program the register.\r | |
80c4b236 JF |
876 | \r |
877 | @note This service could be called by BSP/APs.\r | |
878 | **/\r | |
879 | VOID\r | |
880 | ProgramProcessorRegister (\r | |
b3c71b47 ED |
881 | IN CPU_REGISTER_TABLE *RegisterTable,\r |
882 | IN EFI_CPU_PHYSICAL_LOCATION *ApLocation,\r | |
883 | IN CPU_STATUS_INFORMATION *CpuStatus,\r | |
884 | IN PROGRAM_CPU_REGISTER_FLAGS *CpuFlags\r | |
80c4b236 JF |
885 | )\r |
886 | {\r | |
80c4b236 JF |
887 | CPU_REGISTER_TABLE_ENTRY *RegisterTableEntry;\r |
888 | UINTN Index;\r | |
889 | UINTN Value;\r | |
890 | CPU_REGISTER_TABLE_ENTRY *RegisterTableEntryHead;\r | |
b3c71b47 ED |
891 | volatile UINT32 *SemaphorePtr;\r |
892 | UINT32 FirstThread;\r | |
b3c71b47 | 893 | UINT32 CurrentThread;\r |
6af76adb | 894 | UINT32 CurrentCore;\r |
b3c71b47 | 895 | UINTN ProcessorIndex;\r |
6af76adb RN |
896 | UINT32 *ThreadCountPerPackage;\r |
897 | UINT8 *ThreadCountPerCore;\r | |
6b3645ad | 898 | EFI_STATUS Status;\r |
95cfe6c2 | 899 | UINT64 CurrentValue;\r |
80c4b236 JF |
900 | \r |
901 | //\r | |
902 | // Traverse Register Table of this logical processor\r | |
903 | //\r | |
904 | RegisterTableEntryHead = (CPU_REGISTER_TABLE_ENTRY *) (UINTN) RegisterTable->RegisterTableEntry;\r | |
905 | \r | |
906 | for (Index = 0; Index < RegisterTable->TableLength; Index++) {\r | |
907 | \r | |
908 | RegisterTableEntry = &RegisterTableEntryHead[Index];\r | |
909 | \r | |
910 | //\r | |
911 | // Check the type of specified register\r | |
912 | //\r | |
913 | switch (RegisterTableEntry->RegisterType) {\r | |
914 | //\r | |
915 | // The specified register is Control Register\r | |
916 | //\r | |
917 | case ControlRegister:\r | |
6b3645ad ED |
918 | Status = ReadWriteCr (RegisterTableEntry->Index, TRUE, &Value);\r |
919 | if (EFI_ERROR (Status)) {\r | |
80c4b236 JF |
920 | break;\r |
921 | }\r | |
95cfe6c2 ED |
922 | if (RegisterTableEntry->TestThenWrite) {\r |
923 | CurrentValue = BitFieldRead64 (\r | |
924 | Value,\r | |
925 | RegisterTableEntry->ValidBitStart,\r | |
926 | RegisterTableEntry->ValidBitStart + RegisterTableEntry->ValidBitLength - 1\r | |
927 | );\r | |
928 | if (CurrentValue == RegisterTableEntry->Value) {\r | |
929 | break;\r | |
930 | }\r | |
931 | }\r | |
6b3645ad ED |
932 | Value = (UINTN) BitFieldWrite64 (\r |
933 | Value,\r | |
934 | RegisterTableEntry->ValidBitStart,\r | |
935 | RegisterTableEntry->ValidBitStart + RegisterTableEntry->ValidBitLength - 1,\r | |
936 | RegisterTableEntry->Value\r | |
937 | );\r | |
938 | ReadWriteCr (RegisterTableEntry->Index, FALSE, &Value);\r | |
80c4b236 | 939 | break;\r |
95cfe6c2 | 940 | \r |
80c4b236 JF |
941 | //\r |
942 | // The specified register is Model Specific Register\r | |
943 | //\r | |
944 | case Msr:\r | |
95cfe6c2 ED |
945 | if (RegisterTableEntry->TestThenWrite) {\r |
946 | Value = (UINTN)AsmReadMsr64 (RegisterTableEntry->Index);\r | |
947 | if (RegisterTableEntry->ValidBitLength >= 64) {\r | |
948 | if (Value == RegisterTableEntry->Value) {\r | |
949 | break;\r | |
950 | }\r | |
951 | } else {\r | |
952 | CurrentValue = BitFieldRead64 (\r | |
953 | Value,\r | |
954 | RegisterTableEntry->ValidBitStart,\r | |
955 | RegisterTableEntry->ValidBitStart + RegisterTableEntry->ValidBitLength - 1\r | |
956 | );\r | |
957 | if (CurrentValue == RegisterTableEntry->Value) {\r | |
958 | break;\r | |
959 | }\r | |
960 | }\r | |
961 | }\r | |
962 | \r | |
80c4b236 JF |
963 | if (RegisterTableEntry->ValidBitLength >= 64) {\r |
964 | //\r | |
965 | // If length is not less than 64 bits, then directly write without reading\r | |
966 | //\r | |
967 | AsmWriteMsr64 (\r | |
968 | RegisterTableEntry->Index,\r | |
969 | RegisterTableEntry->Value\r | |
970 | );\r | |
971 | } else {\r | |
972 | //\r | |
973 | // Set the bit section according to bit start and length\r | |
974 | //\r | |
975 | AsmMsrBitFieldWrite64 (\r | |
976 | RegisterTableEntry->Index,\r | |
977 | RegisterTableEntry->ValidBitStart,\r | |
978 | RegisterTableEntry->ValidBitStart + RegisterTableEntry->ValidBitLength - 1,\r | |
979 | RegisterTableEntry->Value\r | |
980 | );\r | |
981 | }\r | |
80c4b236 JF |
982 | break;\r |
983 | //\r | |
984 | // MemoryMapped operations\r | |
985 | //\r | |
986 | case MemoryMapped:\r | |
b3c71b47 | 987 | AcquireSpinLock (&CpuFlags->MemoryMappedLock);\r |
80c4b236 JF |
988 | MmioBitFieldWrite32 (\r |
989 | (UINTN)(RegisterTableEntry->Index | LShiftU64 (RegisterTableEntry->HighIndex, 32)),\r | |
990 | RegisterTableEntry->ValidBitStart,\r | |
991 | RegisterTableEntry->ValidBitStart + RegisterTableEntry->ValidBitLength - 1,\r | |
992 | (UINT32)RegisterTableEntry->Value\r | |
993 | );\r | |
b3c71b47 | 994 | ReleaseSpinLock (&CpuFlags->MemoryMappedLock);\r |
80c4b236 JF |
995 | break;\r |
996 | //\r | |
997 | // Enable or disable cache\r | |
998 | //\r | |
999 | case CacheControl:\r | |
1000 | //\r | |
1001 | // If value of the entry is 0, then disable cache. Otherwise, enable cache.\r | |
1002 | //\r | |
1003 | if (RegisterTableEntry->Value == 0) {\r | |
1004 | AsmDisableCache ();\r | |
1005 | } else {\r | |
1006 | AsmEnableCache ();\r | |
1007 | }\r | |
1008 | break;\r | |
1009 | \r | |
b3c71b47 ED |
1010 | case Semaphore:\r |
1011 | // Semaphore works logic like below:\r | |
1012 | //\r | |
1013 | // V(x) = LibReleaseSemaphore (Semaphore[FirstThread + x]);\r | |
1014 | // P(x) = LibWaitForSemaphore (Semaphore[FirstThread + x]);\r | |
1015 | //\r | |
1016 | // All threads (T0...Tn) waits in P() line and continues running\r | |
1017 | // together.\r | |
1018 | //\r | |
1019 | //\r | |
1020 | // T0 T1 ... Tn\r | |
1021 | //\r | |
1022 | // V(0...n) V(0...n) ... V(0...n)\r | |
1023 | // n * P(0) n * P(1) ... n * P(n)\r | |
1024 | //\r | |
b3c71b47 ED |
1025 | switch (RegisterTableEntry->Value) {\r |
1026 | case CoreDepType:\r | |
91ff5bba | 1027 | SemaphorePtr = CpuFlags->CoreSemaphoreCount;\r |
6af76adb RN |
1028 | ThreadCountPerCore = (UINT8 *)(UINTN)CpuStatus->ThreadCountPerCore;\r |
1029 | \r | |
1030 | CurrentCore = ApLocation->Package * CpuStatus->MaxCoreCount + ApLocation->Core;\r | |
b3c71b47 ED |
1031 | //\r |
1032 | // Get Offset info for the first thread in the core which current thread belongs to.\r | |
1033 | //\r | |
6af76adb | 1034 | FirstThread = CurrentCore * CpuStatus->MaxThreadCount;\r |
b3c71b47 | 1035 | CurrentThread = FirstThread + ApLocation->Thread;\r |
6af76adb | 1036 | \r |
b3c71b47 | 1037 | //\r |
6af76adb RN |
1038 | // Different cores may have different valid threads in them. If driver maintail clearly\r |
1039 | // thread index in different cores, the logic will be much complicated.\r | |
1040 | // Here driver just simply records the max thread number in all cores and use it as expect\r | |
1041 | // thread number for all cores.\r | |
1042 | // In below two steps logic, first current thread will Release semaphore for each thread\r | |
1043 | // in current core. Maybe some threads are not valid in this core, but driver don't\r | |
1044 | // care. Second, driver will let current thread wait semaphore for all valid threads in\r | |
1045 | // current core. Because only the valid threads will do release semaphore for this\r | |
1046 | // thread, driver here only need to wait the valid thread count.\r | |
1047 | //\r | |
1048 | \r | |
1049 | //\r | |
1050 | // First Notify ALL THREADs in current Core that this thread is ready.\r | |
b3c71b47 ED |
1051 | //\r |
1052 | for (ProcessorIndex = 0; ProcessorIndex < CpuStatus->MaxThreadCount; ProcessorIndex ++) {\r | |
6af76adb | 1053 | LibReleaseSemaphore (&SemaphorePtr[FirstThread + ProcessorIndex]);\r |
b3c71b47 ED |
1054 | }\r |
1055 | //\r | |
6af76adb | 1056 | // Second, check whether all VALID THREADs (not all threads) in current core are ready.\r |
b3c71b47 | 1057 | //\r |
6af76adb | 1058 | for (ProcessorIndex = 0; ProcessorIndex < ThreadCountPerCore[CurrentCore]; ProcessorIndex ++) {\r |
b3c71b47 ED |
1059 | LibWaitForSemaphore (&SemaphorePtr[CurrentThread]);\r |
1060 | }\r | |
1061 | break;\r | |
1062 | \r | |
1063 | case PackageDepType:\r | |
91ff5bba | 1064 | SemaphorePtr = CpuFlags->PackageSemaphoreCount;\r |
6af76adb | 1065 | ThreadCountPerPackage = (UINT32 *)(UINTN)CpuStatus->ThreadCountPerPackage;\r |
b3c71b47 ED |
1066 | //\r |
1067 | // Get Offset info for the first thread in the package which current thread belongs to.\r | |
1068 | //\r | |
1069 | FirstThread = ApLocation->Package * CpuStatus->MaxCoreCount * CpuStatus->MaxThreadCount;\r | |
1070 | //\r | |
1071 | // Get the possible threads count for current package.\r | |
1072 | //\r | |
b3c71b47 | 1073 | CurrentThread = FirstThread + CpuStatus->MaxThreadCount * ApLocation->Core + ApLocation->Thread;\r |
b3c71b47 ED |
1074 | \r |
1075 | //\r | |
6af76adb RN |
1076 | // Different packages may have different valid threads in them. If driver maintail clearly\r |
1077 | // thread index in different packages, the logic will be much complicated.\r | |
1078 | // Here driver just simply records the max thread number in all packages and use it as expect\r | |
1079 | // thread number for all packages.\r | |
b3c71b47 ED |
1080 | // In below two steps logic, first current thread will Release semaphore for each thread\r |
1081 | // in current package. Maybe some threads are not valid in this package, but driver don't\r | |
1082 | // care. Second, driver will let current thread wait semaphore for all valid threads in\r | |
1083 | // current package. Because only the valid threads will do release semaphore for this\r | |
1084 | // thread, driver here only need to wait the valid thread count.\r | |
1085 | //\r | |
1086 | \r | |
1087 | //\r | |
6af76adb | 1088 | // First Notify ALL THREADS in current package that this thread is ready.\r |
b3c71b47 | 1089 | //\r |
6af76adb RN |
1090 | for (ProcessorIndex = 0; ProcessorIndex < CpuStatus->MaxThreadCount * CpuStatus->MaxCoreCount; ProcessorIndex ++) {\r |
1091 | LibReleaseSemaphore (&SemaphorePtr[FirstThread + ProcessorIndex]);\r | |
b3c71b47 ED |
1092 | }\r |
1093 | //\r | |
6af76adb | 1094 | // Second, check whether VALID THREADS (not all threads) in current package are ready.\r |
b3c71b47 | 1095 | //\r |
6af76adb | 1096 | for (ProcessorIndex = 0; ProcessorIndex < ThreadCountPerPackage[ApLocation->Package]; ProcessorIndex ++) {\r |
b3c71b47 ED |
1097 | LibWaitForSemaphore (&SemaphorePtr[CurrentThread]);\r |
1098 | }\r | |
1099 | break;\r | |
1100 | \r | |
1101 | default:\r | |
1102 | break;\r | |
1103 | }\r | |
1104 | break;\r | |
1105 | \r | |
80c4b236 JF |
1106 | default:\r |
1107 | break;\r | |
1108 | }\r | |
1109 | }\r | |
1110 | }\r | |
1111 | \r | |
1112 | /**\r | |
1113 | Programs registers for the calling processor.\r | |
1114 | \r | |
1115 | @param[in,out] Buffer The pointer to private data buffer.\r | |
1116 | \r | |
1117 | **/\r | |
1118 | VOID\r | |
1119 | EFIAPI\r | |
1120 | SetProcessorRegister (\r | |
1121 | IN OUT VOID *Buffer\r | |
1122 | )\r | |
1123 | {\r | |
b3c71b47 ED |
1124 | CPU_FEATURES_DATA *CpuFeaturesData;\r |
1125 | CPU_REGISTER_TABLE *RegisterTable;\r | |
1126 | CPU_REGISTER_TABLE *RegisterTables;\r | |
1127 | UINT32 InitApicId;\r | |
1128 | UINTN ProcIndex;\r | |
1129 | UINTN Index;\r | |
1130 | ACPI_CPU_DATA *AcpiCpuData;\r | |
80c4b236 | 1131 | \r |
b3c71b47 ED |
1132 | CpuFeaturesData = (CPU_FEATURES_DATA *) Buffer;\r |
1133 | AcpiCpuData = CpuFeaturesData->AcpiCpuData;\r | |
1134 | \r | |
1135 | RegisterTables = (CPU_REGISTER_TABLE *)(UINTN)AcpiCpuData->RegisterTable;\r | |
1136 | \r | |
1137 | InitApicId = GetInitialApicId ();\r | |
1138 | RegisterTable = NULL;\r | |
692e318d | 1139 | ProcIndex = (UINTN)-1;\r |
b3c71b47 ED |
1140 | for (Index = 0; Index < AcpiCpuData->NumberOfCpus; Index++) {\r |
1141 | if (RegisterTables[Index].InitialApicId == InitApicId) {\r | |
1142 | RegisterTable = &RegisterTables[Index];\r | |
1143 | ProcIndex = Index;\r | |
1144 | break;\r | |
1145 | }\r | |
1146 | }\r | |
1147 | ASSERT (RegisterTable != NULL);\r | |
1148 | \r | |
1149 | ProgramProcessorRegister (\r | |
1150 | RegisterTable,\r | |
1151 | (EFI_CPU_PHYSICAL_LOCATION *)(UINTN)AcpiCpuData->ApLocation + ProcIndex,\r | |
1152 | &AcpiCpuData->CpuStatus,\r | |
1153 | &CpuFeaturesData->CpuFlags\r | |
1154 | );\r | |
80c4b236 JF |
1155 | }\r |
1156 | \r | |
1157 | /**\r | |
1158 | Performs CPU features detection.\r | |
1159 | \r | |
1160 | This service will invoke MP service to check CPU features'\r | |
1161 | capabilities on BSP/APs.\r | |
1162 | \r | |
1163 | @note This service could be called by BSP only.\r | |
1164 | **/\r | |
1165 | VOID\r | |
1166 | EFIAPI\r | |
1167 | CpuFeaturesDetect (\r | |
1168 | VOID\r | |
1169 | )\r | |
1170 | {\r | |
b3c71b47 ED |
1171 | CPU_FEATURES_DATA *CpuFeaturesData;\r |
1172 | \r | |
1173 | CpuFeaturesData = GetCpuFeaturesData();\r | |
80c4b236 | 1174 | \r |
7217b879 | 1175 | CpuInitDataInitialize ();\r |
80c4b236 | 1176 | \r |
7a0df266 SZ |
1177 | if (CpuFeaturesData->NumberOfCpus > 1) {\r |
1178 | //\r | |
1179 | // Wakeup all APs for data collection.\r | |
1180 | //\r | |
87ad6913 | 1181 | StartupAllAPsWorker (CollectProcessorData, NULL);\r |
7a0df266 | 1182 | }\r |
80c4b236 JF |
1183 | \r |
1184 | //\r | |
1185 | // Collect data on BSP\r | |
1186 | //\r | |
b3c71b47 | 1187 | CollectProcessorData (CpuFeaturesData);\r |
80c4b236 | 1188 | \r |
7217b879 | 1189 | AnalysisProcessorFeatures (CpuFeaturesData->NumberOfCpus);\r |
80c4b236 JF |
1190 | }\r |
1191 | \r |