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IntelFsp2Pkg/SplitFspBin.py: Support rebasing 1.x binary.
[mirror_edk2.git] / EmulatorPkg / CpuRuntimeDxe / Cpu.c
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1/*++ @file\r
2 Emu driver to produce CPU Architectural Protocol.\r
3\r
4Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
5Portions copyright (c) 2011 - 2012, Apple Inc. All rights reserved.\r
6SPDX-License-Identifier: BSD-2-Clause-Patent\r
7\r
8**/\r
9\r
10#include "CpuDriver.h"\r
11\r
12UINT64 mTimerPeriod;\r
13\r
14CPU_ARCH_PROTOCOL_PRIVATE mCpuTemplate = {\r
15 CPU_ARCH_PROT_PRIVATE_SIGNATURE,\r
16 NULL,\r
17 {\r
18 EmuFlushCpuDataCache,\r
19 EmuEnableInterrupt,\r
20 EmuDisableInterrupt,\r
21 EmuGetInterruptState,\r
22 EmuInit,\r
23 EmuRegisterInterruptHandler,\r
24 EmuGetTimerValue,\r
25 EmuSetMemoryAttributes,\r
26 0,\r
27 4\r
28 },\r
29 {\r
30 {\r
31 CpuMemoryServiceRead,\r
32 CpuMemoryServiceWrite\r
33 },\r
34 {\r
35 CpuIoServiceRead,\r
36 CpuIoServiceWrite\r
37 }\r
38 },\r
39 TRUE\r
40};\r
41\r
42#define EFI_CPU_DATA_MAXIMUM_LENGTH 0x100\r
43\r
44SMBIOS_TABLE_TYPE4 mCpuSmbiosType4 = {\r
45 { EFI_SMBIOS_TYPE_PROCESSOR_INFORMATION, sizeof (SMBIOS_TABLE_TYPE4), 0},\r
46 1, // Socket String\r
47 ProcessorOther, // ProcessorType; ///< The enumeration value from PROCESSOR_TYPE_DATA.\r
48 ProcessorFamilyOther, // ProcessorFamily; ///< The enumeration value from PROCESSOR_FAMILY_DATA.\r
49 2, // ProcessorManufacture String;\r
50 { // ProcessorId;\r
51 { // PROCESSOR_SIGNATURE\r
52 0, // ProcessorSteppingId:4;\r
53 0, // ProcessorModel: 4;\r
54 0, // ProcessorFamily: 4;\r
55 0, // ProcessorType: 2;\r
56 0, // ProcessorReserved1: 2;\r
57 0, // ProcessorXModel: 4;\r
58 0, // ProcessorXFamily: 8;\r
59 0, // ProcessorReserved2: 4;\r
60 },\r
61 { // PROCESSOR_FEATURE_FLAGS\r
62 0, // ProcessorFpu :1;\r
63 0, // ProcessorVme :1;\r
64 0, // ProcessorDe :1;\r
65 0, // ProcessorPse :1;\r
66 0, // ProcessorTsc :1;\r
67 0, // ProcessorMsr :1;\r
68 0, // ProcessorPae :1;\r
69 0, // ProcessorMce :1;\r
70 0, // ProcessorCx8 :1;\r
71 0, // ProcessorApic :1;\r
72 0, // ProcessorReserved1 :1;\r
73 0, // ProcessorSep :1;\r
74 0, // ProcessorMtrr :1;\r
75 0, // ProcessorPge :1;\r
76 0, // ProcessorMca :1;\r
77 0, // ProcessorCmov :1;\r
78 0, // ProcessorPat :1;\r
79 0, // ProcessorPse36 :1;\r
80 0, // ProcessorPsn :1;\r
81 0, // ProcessorClfsh :1;\r
82 0, // ProcessorReserved2 :1;\r
83 0, // ProcessorDs :1;\r
84 0, // ProcessorAcpi :1;\r
85 0, // ProcessorMmx :1;\r
86 0, // ProcessorFxsr :1;\r
87 0, // ProcessorSse :1;\r
88 0, // ProcessorSse2 :1;\r
89 0, // ProcessorSs :1;\r
90 0, // ProcessorReserved3 :1;\r
91 0, // ProcessorTm :1;\r
92 0, // ProcessorReserved4 :2;\r
93 }\r
94 },\r
95 3, // ProcessorVersion String;\r
96 { // Voltage;\r
97 1, // ProcessorVoltageCapability5V :1;\r
98 1, // ProcessorVoltageCapability3_3V :1;\r
99 1, // ProcessorVoltageCapability2_9V :1;\r
100 0, // ProcessorVoltageCapabilityReserved :1; ///< Bit 3, must be zero.\r
101 0, // ProcessorVoltageReserved :3; ///< Bits 4-6, must be zero.\r
102 0 // ProcessorVoltageIndicateLegacy :1;\r
103 },\r
104 0, // ExternalClock;\r
105 0, // MaxSpeed;\r
106 0, // CurrentSpeed;\r
107 0x41, // Status;\r
108 ProcessorUpgradeOther, // ProcessorUpgrade; ///< The enumeration value from PROCESSOR_UPGRADE.\r
109 0, // L1CacheHandle;\r
110 0, // L2CacheHandle;\r
111 0, // L3CacheHandle;\r
112 4, // SerialNumber;\r
113 5, // AssetTag;\r
114 6, // PartNumber;\r
115 0, // CoreCount;\r
116 0, // EnabledCoreCount;\r
117 0, // ThreadCount;\r
118 0, // ProcessorCharacteristics;\r
119 0, // ProcessorFamily2;\r
120};\r
121\r
122CHAR8 *mCpuSmbiosType4Strings[] = {\r
123 "Socket",\r
124 "http://www.tianocore.org/edk2/",\r
125 "Emulated Processor",\r
126 "1.0",\r
127 "1.0",\r
128 "1.0",\r
129 NULL\r
130};\r
131\r
132\r
133/**\r
134 Create SMBIOS record.\r
135\r
136 Converts a fixed SMBIOS structure and an array of pointers to strings into\r
137 an SMBIOS record where the strings are cat'ed on the end of the fixed record\r
138 and terminated via a double NULL and add to SMBIOS table.\r
139\r
140 SMBIOS_TABLE_TYPE32 gSmbiosType12 = {\r
141 { EFI_SMBIOS_TYPE_SYSTEM_CONFIGURATION_OPTIONS, sizeof (SMBIOS_TABLE_TYPE12), 0 },\r
142 1 // StringCount\r
143 };\r
144 CHAR8 *gSmbiosType12Strings[] = {\r
145 "Not Found",\r
146 NULL\r
147 };\r
148\r
149 ...\r
150 LogSmbiosData (\r
151 (EFI_SMBIOS_TABLE_HEADER*)&gSmbiosType12,\r
152 gSmbiosType12Strings\r
153 );\r
154\r
155 @param Template Fixed SMBIOS structure, required.\r
156 @param StringArray Array of strings to convert to an SMBIOS string pack.\r
157 NULL is OK.\r
158\r
159**/\r
160EFI_STATUS\r
161LogSmbiosData (\r
162 IN EFI_SMBIOS_TABLE_HEADER *Template,\r
163 IN CHAR8 **StringPack\r
164 )\r
165{\r
166 EFI_STATUS Status;\r
167 EFI_SMBIOS_PROTOCOL *Smbios;\r
168 EFI_SMBIOS_HANDLE SmbiosHandle;\r
169 EFI_SMBIOS_TABLE_HEADER *Record;\r
170 UINTN Index;\r
171 UINTN StringSize;\r
172 UINTN Size;\r
173 CHAR8 *Str;\r
174\r
175 //\r
176 // Locate Smbios protocol.\r
177 //\r
178 Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID **)&Smbios);\r
179 if (EFI_ERROR (Status)) {\r
180 return Status;\r
181 }\r
182\r
183 // Calculate the size of the fixed record and optional string pack\r
184 Size = Template->Length;\r
185 if (StringPack == NULL) {\r
186 // At least a double null is required\r
187 Size += 2;\r
188 } else {\r
189 for (Index = 0; StringPack[Index] != NULL; Index++) {\r
190 StringSize = AsciiStrSize (StringPack[Index]);\r
191 Size += StringSize;\r
192 }\r
193 if (StringPack[0] == NULL) {\r
194 // At least a double null is required\r
195 Size += 1;\r
196 }\r
197 // Don't forget the terminating double null\r
198 Size += 1;\r
199 }\r
200\r
201 // Copy over Template\r
202 Record = (EFI_SMBIOS_TABLE_HEADER *)AllocateZeroPool (Size);\r
203 if (Record == NULL) {\r
204 return EFI_OUT_OF_RESOURCES;\r
205 }\r
206 CopyMem (Record, Template, Template->Length);\r
207\r
208 // Append string pack\r
209 Str = ((CHAR8 *)Record) + Record->Length;\r
210 for (Index = 0; StringPack[Index] != NULL; Index++) {\r
211 StringSize = AsciiStrSize (StringPack[Index]);\r
212 CopyMem (Str, StringPack[Index], StringSize);\r
213 Str += StringSize;\r
214 }\r
215 *Str = 0;\r
216\r
217 SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;\r
218 Status = Smbios->Add (\r
219 Smbios,\r
220 gImageHandle,\r
221 &SmbiosHandle,\r
222 Record\r
223 );\r
224 ASSERT_EFI_ERROR (Status);\r
225\r
226 FreePool (Record);\r
227 return Status;\r
228}\r
229\r
230\r
231\r
232\r
233VOID\r
234CpuUpdateSmbios (\r
235 IN UINTN MaxCpus\r
236 )\r
237{\r
238 mCpuSmbiosType4.CoreCount = (UINT8) MaxCpus;\r
239 mCpuSmbiosType4.EnabledCoreCount = (UINT8) MaxCpus;\r
240 mCpuSmbiosType4.ThreadCount = (UINT8) MaxCpus;\r
241 //\r
242 // The value of 1234 is fake value for CPU frequency\r
243 //\r
244 mCpuSmbiosType4.CurrentSpeed = 1234;\r
245 LogSmbiosData ((EFI_SMBIOS_TABLE_HEADER *)&mCpuSmbiosType4, mCpuSmbiosType4Strings);\r
246}\r
247\r
248\r
249//\r
250// Service routines for the driver\r
251//\r
252EFI_STATUS\r
253EFIAPI\r
254EmuFlushCpuDataCache (\r
255 IN EFI_CPU_ARCH_PROTOCOL *This,\r
256 IN EFI_PHYSICAL_ADDRESS Start,\r
257 IN UINT64 Length,\r
258 IN EFI_CPU_FLUSH_TYPE FlushType\r
259 )\r
260{\r
261 if (FlushType == EfiCpuFlushTypeWriteBackInvalidate) {\r
262 //\r
263 // Only WB flush is supported. We actually need do nothing on Emu emulator\r
264 // environment. Classify this to follow EFI spec\r
265 //\r
266 return EFI_SUCCESS;\r
267 }\r
268 //\r
269 // Other flush types are not supported by Emu emulator\r
270 //\r
271 return EFI_UNSUPPORTED;\r
272}\r
273\r
274EFI_STATUS\r
275EFIAPI\r
276EmuEnableInterrupt (\r
277 IN EFI_CPU_ARCH_PROTOCOL *This\r
278 )\r
279{\r
280 CPU_ARCH_PROTOCOL_PRIVATE *Private;\r
281\r
282 Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);\r
283 Private->InterruptState = TRUE;\r
284 gEmuThunk->EnableInterrupt ();\r
285 return EFI_SUCCESS;\r
286}\r
287\r
288EFI_STATUS\r
289EFIAPI\r
290EmuDisableInterrupt (\r
291 IN EFI_CPU_ARCH_PROTOCOL *This\r
292 )\r
293{\r
294 CPU_ARCH_PROTOCOL_PRIVATE *Private;\r
295\r
296 Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);\r
297 Private->InterruptState = FALSE;\r
298 gEmuThunk->DisableInterrupt ();\r
299 return EFI_SUCCESS;\r
300}\r
301\r
302EFI_STATUS\r
303EFIAPI\r
304EmuGetInterruptState (\r
305 IN EFI_CPU_ARCH_PROTOCOL *This,\r
306 OUT BOOLEAN *State\r
307 )\r
308{\r
309 CPU_ARCH_PROTOCOL_PRIVATE *Private;\r
310\r
311 if (State == NULL) {\r
312 return EFI_INVALID_PARAMETER;\r
313 }\r
314\r
315 Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);\r
316 *State = Private->InterruptState;\r
317 return EFI_SUCCESS;\r
318}\r
319\r
320EFI_STATUS\r
321EFIAPI\r
322EmuInit (\r
323 IN EFI_CPU_ARCH_PROTOCOL *This,\r
324 IN EFI_CPU_INIT_TYPE InitType\r
325 )\r
326{\r
327 return EFI_UNSUPPORTED;\r
328}\r
329\r
330EFI_STATUS\r
331EFIAPI\r
332EmuRegisterInterruptHandler (\r
333 IN EFI_CPU_ARCH_PROTOCOL *This,\r
334 IN EFI_EXCEPTION_TYPE InterruptType,\r
335 IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler\r
336 )\r
337{\r
338 //\r
339 // Do parameter checking for EFI spec conformance\r
340 //\r
341 if (InterruptType < 0 || InterruptType > 0xff) {\r
342 return EFI_UNSUPPORTED;\r
343 }\r
344 //\r
345 // Do nothing for Emu emulation\r
346 //\r
347 return EFI_UNSUPPORTED;\r
348}\r
349\r
350EFI_STATUS\r
351EFIAPI\r
352EmuGetTimerValue (\r
353 IN EFI_CPU_ARCH_PROTOCOL *This,\r
354 IN UINT32 TimerIndex,\r
355 OUT UINT64 *TimerValue,\r
356 OUT UINT64 *TimerPeriod OPTIONAL\r
357 )\r
358{\r
359 if (TimerValue == NULL) {\r
360 return EFI_INVALID_PARAMETER;\r
361 }\r
362\r
363 if (TimerIndex != 0) {\r
364 return EFI_INVALID_PARAMETER;\r
365 }\r
366\r
367 *TimerValue = gEmuThunk->QueryPerformanceCounter ();\r
368\r
369 if (TimerPeriod != NULL) {\r
370 *TimerPeriod = mTimerPeriod;\r
371 }\r
372\r
373 return EFI_SUCCESS;\r
374}\r
375\r
376\r
377EFI_STATUS\r
378EFIAPI\r
379EmuSetMemoryAttributes (\r
380 IN EFI_CPU_ARCH_PROTOCOL *This,\r
381 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
382 IN UINT64 Length,\r
383 IN UINT64 Attributes\r
384 )\r
385{\r
386 //\r
387 // Check for invalid parameter for Spec conformance\r
388 //\r
389 if (Length == 0) {\r
390 return EFI_INVALID_PARAMETER;\r
391 }\r
392\r
393 //\r
394 // Do nothing for Nt32 emulation\r
395 //\r
396 return EFI_UNSUPPORTED;\r
397}\r
398\r
399\r
400\r
401\r
402/**\r
403 Callback function for idle events.\r
404\r
405 @param Event Event whose notification function is being invoked.\r
406 @param Context The pointer to the notification function's context,\r
407 which is implementation-dependent.\r
408\r
409**/\r
410VOID\r
411EFIAPI\r
412IdleLoopEventCallback (\r
413 IN EFI_EVENT Event,\r
414 IN VOID *Context\r
415 )\r
416{\r
417 gEmuThunk->CpuSleep ();\r
418}\r
419\r
420\r
421EFI_STATUS\r
422EFIAPI\r
423InitializeCpu (\r
424 IN EFI_HANDLE ImageHandle,\r
425 IN EFI_SYSTEM_TABLE *SystemTable\r
426 )\r
427{\r
428 EFI_STATUS Status;\r
429 UINT64 Frequency;\r
430 EFI_EVENT IdleLoopEvent;\r
431 UINTN MaxCpu;\r
432\r
433 //\r
434 // Retrieve the frequency of the performance counter in Hz.\r
435 //\r
436 Frequency = gEmuThunk->QueryPerformanceFrequency ();\r
437\r
438 //\r
439 // Convert frequency in Hz to a clock period in femtoseconds.\r
440 //\r
441 mTimerPeriod = DivU64x64Remainder (1000000000000000ULL, Frequency, NULL);\r
442\r
443 CpuMpServicesInit (&MaxCpu);\r
444\r
445 CpuUpdateSmbios (MaxCpu);\r
446\r
447\r
448 Status = gBS->CreateEventEx (\r
449 EVT_NOTIFY_SIGNAL,\r
450 TPL_NOTIFY,\r
451 IdleLoopEventCallback,\r
452 NULL,\r
453 &gIdleLoopEventGuid,\r
454 &IdleLoopEvent\r
455 );\r
456 ASSERT_EFI_ERROR (Status);\r
457\r
458\r
459 Status = gBS->InstallMultipleProtocolInterfaces (\r
460 &mCpuTemplate.Handle,\r
461 &gEfiCpuArchProtocolGuid, &mCpuTemplate.Cpu,\r
462 &gEfiCpuIo2ProtocolGuid, &mCpuTemplate.CpuIo,\r
463 NULL\r
464 );\r
465 ASSERT_EFI_ERROR (Status);\r
466\r
467 return Status;\r
468}\r
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