878ddf1f |
1 | /*++\r |
2 | \r |
3 | Copyright (c) 2006, Intel Corporation \r |
4 | All rights reserved. This program and the accompanying materials \r |
5 | are licensed and made available under the terms and conditions of the BSD License \r |
6 | which accompanies this distribution. The full text of the license may be found at \r |
7 | http://opensource.org/licenses/bsd-license.php \r |
8 | \r |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
11 | \r |
12 | Module Name:\r |
13 | \r |
14 | Cpu.c\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
18 | NT Emulation Architectural Protocol Driver as defined in Tiano.\r |
19 | This CPU module abstracts the interrupt subsystem of a platform and\r |
20 | the CPU-specific setjump/long pair. Other services are not implemented\r |
21 | in this driver.\r |
22 | \r |
23 | --*/\r |
24 | \r |
25 | #include "CpuDriver.h"\r |
26 | \r |
878ddf1f |
27 | #define EFI_CPU_DATA_MAXIMUM_LENGTH 0x100\r |
28 | \r |
29 | EFI_STATUS\r |
30 | EFIAPI\r |
31 | InitializeCpu (\r |
32 | IN EFI_HANDLE ImageHandle,\r |
33 | IN EFI_SYSTEM_TABLE *SystemTable\r |
34 | );\r |
35 | \r |
36 | VOID\r |
37 | EFIAPI\r |
38 | WinNtIoProtocolNotifyFunction (\r |
39 | IN EFI_EVENT Event,\r |
40 | IN VOID *Context\r |
41 | );\r |
42 | \r |
43 | typedef union {\r |
44 | EFI_CPU_DATA_RECORD *DataRecord;\r |
45 | UINT8 *Raw;\r |
46 | } EFI_CPU_DATA_RECORD_BUFFER;\r |
47 | \r |
48 | EFI_SUBCLASS_TYPE1_HEADER mCpuDataRecordHeader = {\r |
49 | EFI_PROCESSOR_SUBCLASS_VERSION, // Version\r |
50 | sizeof (EFI_SUBCLASS_TYPE1_HEADER), // Header Size\r |
51 | 0, // Instance, Initialize later\r |
52 | EFI_SUBCLASS_INSTANCE_NON_APPLICABLE, // SubInstance\r |
53 | 0 // RecordType, Initialize later\r |
54 | };\r |
55 | \r |
56 | //\r |
57 | // Service routines for the driver\r |
58 | //\r |
59 | STATIC\r |
60 | EFI_STATUS\r |
61 | EFIAPI\r |
62 | WinNtFlushCpuDataCache (\r |
63 | IN EFI_CPU_ARCH_PROTOCOL *This,\r |
64 | IN EFI_PHYSICAL_ADDRESS Start,\r |
65 | IN UINT64 Length,\r |
66 | IN EFI_CPU_FLUSH_TYPE FlushType\r |
67 | )\r |
68 | /*++\r |
69 | \r |
70 | Routine Description:\r |
71 | \r |
72 | This routine would provide support for flushing the CPU data cache.\r |
73 | In the case of NT emulation environment, this flushing is not necessary and\r |
74 | is thus not implemented.\r |
75 | \r |
76 | Arguments:\r |
77 | \r |
78 | Pointer to CPU Architectural Protocol interface\r |
79 | Start adddress in memory to flush\r |
80 | Length of memory to flush\r |
81 | Flush type\r |
82 | \r |
83 | Returns:\r |
84 | \r |
85 | Status\r |
86 | EFI_SUCCESS\r |
87 | \r |
88 | --*/\r |
89 | // TODO: This - add argument and description to function comment\r |
90 | // TODO: FlushType - add argument and description to function comment\r |
91 | // TODO: EFI_UNSUPPORTED - add return value to function comment\r |
92 | {\r |
93 | if (FlushType == EfiCpuFlushTypeWriteBackInvalidate) {\r |
94 | //\r |
95 | // Only WB flush is supported. We actually need do nothing on NT emulator\r |
96 | // environment. Classify this to follow EFI spec\r |
97 | //\r |
98 | return EFI_SUCCESS;\r |
99 | }\r |
100 | //\r |
101 | // Other flush types are not supported by NT emulator\r |
102 | //\r |
103 | return EFI_UNSUPPORTED;\r |
104 | }\r |
105 | \r |
106 | STATIC\r |
107 | EFI_STATUS\r |
108 | EFIAPI\r |
109 | WinNtEnableInterrupt (\r |
110 | IN EFI_CPU_ARCH_PROTOCOL *This\r |
111 | )\r |
112 | /*++\r |
113 | \r |
114 | Routine Description:\r |
115 | \r |
116 | This routine provides support for emulation of the interrupt enable of the\r |
117 | the system. For our purposes, CPU enable is just a BOOLEAN that the Timer \r |
118 | Architectural Protocol observes in order to defer behaviour while in its\r |
119 | emulated interrupt, or timer tick.\r |
120 | \r |
121 | Arguments:\r |
122 | \r |
123 | Pointer to CPU Architectural Protocol interface\r |
124 | \r |
125 | Returns:\r |
126 | \r |
127 | Status\r |
128 | EFI_SUCCESS\r |
129 | \r |
130 | --*/\r |
131 | // TODO: This - add argument and description to function comment\r |
132 | {\r |
133 | CPU_ARCH_PROTOCOL_PRIVATE *Private;\r |
134 | \r |
135 | Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);\r |
136 | Private->InterruptState = TRUE;\r |
137 | return EFI_SUCCESS;\r |
138 | }\r |
139 | \r |
140 | STATIC\r |
141 | EFI_STATUS\r |
142 | EFIAPI\r |
143 | WinNtDisableInterrupt (\r |
144 | IN EFI_CPU_ARCH_PROTOCOL *This\r |
145 | )\r |
146 | /*++\r |
147 | \r |
148 | Routine Description:\r |
149 | \r |
150 | This routine provides support for emulation of the interrupt disable of the\r |
151 | the system. For our purposes, CPU enable is just a BOOLEAN that the Timer \r |
152 | Architectural Protocol observes in order to defer behaviour while in its\r |
153 | emulated interrupt, or timer tick.\r |
154 | \r |
155 | Arguments:\r |
156 | \r |
157 | Pointer to CPU Architectural Protocol interface\r |
158 | \r |
159 | Returns:\r |
160 | \r |
161 | Status\r |
162 | EFI_SUCCESS\r |
163 | \r |
164 | --*/\r |
165 | // TODO: This - add argument and description to function comment\r |
166 | {\r |
167 | CPU_ARCH_PROTOCOL_PRIVATE *Private;\r |
168 | \r |
169 | Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);\r |
170 | Private->InterruptState = FALSE;\r |
171 | return EFI_SUCCESS;\r |
172 | }\r |
173 | \r |
174 | STATIC\r |
175 | EFI_STATUS\r |
176 | EFIAPI\r |
177 | WinNtGetInterruptState (\r |
178 | IN EFI_CPU_ARCH_PROTOCOL *This,\r |
179 | OUT BOOLEAN *State\r |
180 | )\r |
181 | /*++\r |
182 | \r |
183 | Routine Description:\r |
184 | \r |
185 | This routine provides support for emulation of the interrupt disable of the\r |
186 | the system. For our purposes, CPU enable is just a BOOLEAN that the Timer \r |
187 | Architectural Protocol observes in order to defer behaviour while in its\r |
188 | emulated interrupt, or timer tick.\r |
189 | \r |
190 | Arguments:\r |
191 | \r |
192 | Pointer to CPU Architectural Protocol interface\r |
193 | \r |
194 | Returns:\r |
195 | \r |
196 | Status\r |
197 | EFI_SUCCESS\r |
198 | \r |
199 | --*/\r |
200 | // TODO: This - add argument and description to function comment\r |
201 | // TODO: State - add argument and description to function comment\r |
202 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
203 | {\r |
204 | CPU_ARCH_PROTOCOL_PRIVATE *Private;\r |
205 | \r |
206 | if (State == NULL) {\r |
207 | return EFI_INVALID_PARAMETER;\r |
208 | }\r |
209 | \r |
210 | Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);\r |
211 | *State = Private->InterruptState;\r |
212 | return EFI_SUCCESS;\r |
213 | }\r |
214 | \r |
215 | STATIC\r |
216 | EFI_STATUS\r |
217 | EFIAPI\r |
218 | WinNtInit (\r |
219 | IN EFI_CPU_ARCH_PROTOCOL *This,\r |
220 | IN EFI_CPU_INIT_TYPE InitType\r |
221 | )\r |
222 | /*++\r |
223 | \r |
224 | Routine Description:\r |
225 | \r |
226 | This routine would support generation of a CPU INIT. At \r |
227 | present, this code does not provide emulation. \r |
228 | \r |
229 | Arguments:\r |
230 | \r |
231 | Pointer to CPU Architectural Protocol interface\r |
232 | INIT Type\r |
233 | \r |
234 | Returns:\r |
235 | \r |
236 | Status\r |
237 | EFI_UNSUPPORTED - not yet implemented\r |
238 | \r |
239 | --*/\r |
240 | // TODO: This - add argument and description to function comment\r |
241 | // TODO: InitType - add argument and description to function comment\r |
242 | {\r |
243 | CPU_ARCH_PROTOCOL_PRIVATE *Private;\r |
244 | \r |
245 | Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);\r |
246 | return EFI_UNSUPPORTED;\r |
247 | }\r |
248 | \r |
249 | STATIC\r |
250 | EFI_STATUS\r |
251 | EFIAPI\r |
252 | WinNtRegisterInterruptHandler (\r |
253 | IN EFI_CPU_ARCH_PROTOCOL *This,\r |
254 | IN EFI_EXCEPTION_TYPE InterruptType,\r |
255 | IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler\r |
256 | )\r |
257 | /*++\r |
258 | \r |
259 | Routine Description:\r |
260 | \r |
261 | This routine would support registration of an interrupt handler. At \r |
262 | present, this code does not provide emulation. \r |
263 | \r |
264 | Arguments:\r |
265 | \r |
266 | Pointer to CPU Architectural Protocol interface\r |
267 | Pointer to interrupt handlers\r |
268 | Interrupt type\r |
269 | \r |
270 | Returns:\r |
271 | \r |
272 | Status\r |
273 | EFI_UNSUPPORTED - not yet implemented\r |
274 | \r |
275 | --*/\r |
276 | // TODO: This - add argument and description to function comment\r |
277 | // TODO: InterruptType - add argument and description to function comment\r |
278 | // TODO: InterruptHandler - add argument and description to function comment\r |
279 | {\r |
280 | CPU_ARCH_PROTOCOL_PRIVATE *Private;\r |
281 | \r |
282 | //\r |
283 | // Do parameter checking for EFI spec conformance\r |
284 | //\r |
285 | if (InterruptType < 0 || InterruptType > 0xff) {\r |
286 | return EFI_UNSUPPORTED;\r |
287 | }\r |
288 | //\r |
289 | // Do nothing for Nt32 emulation\r |
290 | //\r |
291 | Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);\r |
292 | return EFI_UNSUPPORTED;\r |
293 | }\r |
294 | \r |
295 | STATIC\r |
296 | EFI_STATUS\r |
297 | EFIAPI\r |
298 | WinNtGetTimerValue (\r |
299 | IN EFI_CPU_ARCH_PROTOCOL *This,\r |
300 | IN UINT32 TimerIndex,\r |
301 | OUT UINT64 *TimerValue,\r |
302 | OUT UINT64 *TimerPeriod OPTIONAL\r |
303 | )\r |
304 | /*++\r |
305 | \r |
306 | Routine Description:\r |
307 | \r |
308 | This routine would support querying of an on-CPU timer. At present, \r |
309 | this code does not provide timer emulation. \r |
310 | \r |
311 | Arguments:\r |
312 | \r |
313 | This - Pointer to CPU Architectural Protocol interface\r |
314 | TimerIndex - Index of given CPU timer\r |
315 | TimerValue - Output of the timer\r |
316 | TimerPeriod - Output of the timer period\r |
317 | \r |
318 | Returns:\r |
319 | \r |
320 | EFI_UNSUPPORTED - not yet implemented\r |
321 | EFI_INVALID_PARAMETER - TimeValue is NULL\r |
322 | \r |
323 | --*/\r |
324 | {\r |
325 | if (TimerValue == NULL) {\r |
326 | return EFI_INVALID_PARAMETER;\r |
327 | }\r |
328 | \r |
329 | //\r |
330 | // No timer supported\r |
331 | //\r |
332 | return EFI_UNSUPPORTED;\r |
333 | }\r |
334 | \r |
335 | STATIC\r |
336 | EFI_STATUS\r |
337 | EFIAPI\r |
338 | WinNtSetMemoryAttributes (\r |
339 | IN EFI_CPU_ARCH_PROTOCOL *This,\r |
340 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r |
341 | IN UINT64 Length,\r |
342 | IN UINT64 Attributes\r |
343 | )\r |
344 | /*++\r |
345 | \r |
346 | Routine Description:\r |
347 | \r |
348 | This routine would support querying of an on-CPU timer. At present, \r |
349 | this code does not provide timer emulation. \r |
350 | \r |
351 | Arguments:\r |
352 | \r |
353 | Pointer to CPU Architectural Protocol interface\r |
354 | Start address of memory region\r |
355 | The size in bytes of the memory region\r |
356 | The bit mask of attributes to set for the memory region\r |
357 | \r |
358 | Returns:\r |
359 | \r |
360 | Status\r |
361 | EFI_UNSUPPORTED - not yet implemented\r |
362 | \r |
363 | --*/\r |
364 | // TODO: This - add argument and description to function comment\r |
365 | // TODO: BaseAddress - add argument and description to function comment\r |
366 | // TODO: Length - add argument and description to function comment\r |
367 | // TODO: Attributes - add argument and description to function comment\r |
368 | // TODO: EFI_INVALID_PARAMETER - add return value to function comment\r |
369 | {\r |
370 | CPU_ARCH_PROTOCOL_PRIVATE *Private;\r |
371 | \r |
372 | //\r |
373 | // Check for invalid parameter for Spec conformance\r |
374 | //\r |
375 | if (Length == 0) {\r |
376 | return EFI_INVALID_PARAMETER;\r |
377 | }\r |
378 | \r |
379 | //\r |
380 | // Do nothing for Nt32 emulation\r |
381 | //\r |
382 | Private = CPU_ARCH_PROTOCOL_PRIVATE_DATA_FROM_THIS (This);\r |
383 | return EFI_UNSUPPORTED;\r |
384 | }\r |
385 | \r |
386 | \r |
387 | EFI_STATUS\r |
388 | EFIAPI\r |
389 | InitializeCpu (\r |
390 | IN EFI_HANDLE ImageHandle,\r |
391 | IN EFI_SYSTEM_TABLE *SystemTable\r |
392 | )\r |
393 | /*++\r |
394 | \r |
395 | Routine Description:\r |
396 | \r |
397 | Initialize the state information for the CPU Architectural Protocol\r |
398 | \r |
399 | Arguments:\r |
400 | \r |
401 | ImageHandle of the loaded driver\r |
402 | Pointer to the System Table\r |
403 | \r |
404 | Returns:\r |
405 | \r |
406 | Status\r |
407 | \r |
408 | EFI_SUCCESS - protocol instance can be published \r |
409 | EFI_OUT_OF_RESOURCES - cannot allocate protocol data structure\r |
410 | EFI_DEVICE_ERROR - cannot create the thread\r |
411 | \r |
412 | --*/\r |
413 | // TODO: SystemTable - add argument and description to function comment\r |
414 | {\r |
415 | EFI_STATUS Status;\r |
416 | EFI_EVENT Event;\r |
417 | CPU_ARCH_PROTOCOL_PRIVATE *Private;\r |
418 | VOID *Registration;\r |
419 | \r |
420 | Status = gBS->AllocatePool (\r |
421 | EfiBootServicesData,\r |
422 | sizeof (CPU_ARCH_PROTOCOL_PRIVATE),\r |
423 | &Private\r |
424 | );\r |
425 | ASSERT_EFI_ERROR (Status);\r |
426 | \r |
427 | Private->Signature = CPU_ARCH_PROT_PRIVATE_SIGNATURE;\r |
428 | Private->Cpu.FlushDataCache = WinNtFlushCpuDataCache;\r |
429 | Private->Cpu.EnableInterrupt = WinNtEnableInterrupt;\r |
430 | Private->Cpu.DisableInterrupt = WinNtDisableInterrupt;\r |
431 | Private->Cpu.GetInterruptState = WinNtGetInterruptState;\r |
432 | Private->Cpu.Init = WinNtInit;\r |
433 | Private->Cpu.RegisterInterruptHandler = WinNtRegisterInterruptHandler;\r |
434 | Private->Cpu.GetTimerValue = WinNtGetTimerValue;\r |
435 | Private->Cpu.SetMemoryAttributes = WinNtSetMemoryAttributes;\r |
436 | \r |
437 | Private->Cpu.NumberOfTimers = 0;\r |
438 | Private->Cpu.DmaBufferAlignment = 4;\r |
439 | \r |
440 | Private->InterruptState = TRUE;\r |
441 | \r |
442 | Private->CpuIo.Mem.Read = CpuMemoryServiceRead;\r |
443 | Private->CpuIo.Mem.Write = CpuMemoryServiceWrite;\r |
444 | Private->CpuIo.Io.Read = CpuIoServiceRead;\r |
445 | Private->CpuIo.Io.Write = CpuIoServiceWrite;\r |
446 | \r |
447 | \r |
448 | Private->Handle = NULL;\r |
449 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
450 | &Private->Handle,\r |
451 | &gEfiCpuArchProtocolGuid, &Private->Cpu,\r |
452 | &gEfiCpuIoProtocolGuid, &Private->CpuIo,\r |
453 | NULL\r |
454 | );\r |
455 | ASSERT_EFI_ERROR (Status);\r |
456 | \r |
457 | //\r |
458 | // Install notify function to store processor data to HII database and data hub.\r |
459 | //\r |
460 | Status = gBS->CreateEvent (\r |
461 | EFI_EVENT_NOTIFY_SIGNAL,\r |
462 | EFI_TPL_CALLBACK,\r |
463 | WinNtIoProtocolNotifyFunction,\r |
464 | ImageHandle,\r |
465 | &Event\r |
466 | );\r |
467 | ASSERT (!EFI_ERROR (Status));\r |
468 | \r |
469 | Status = gBS->RegisterProtocolNotify (\r |
470 | &gEfiWinNtIoProtocolGuid,\r |
471 | Event,\r |
472 | &Registration\r |
473 | );\r |
474 | ASSERT (!EFI_ERROR (Status));\r |
475 | \r |
476 | //\r |
477 | // Should be at EFI_D_INFO, but lets us now things are running\r |
478 | //\r |
479 | DEBUG ((EFI_D_ERROR, "CPU Architectural Protocol Loaded\n"));\r |
480 | \r |
481 | \r |
482 | \r |
483 | return Status;\r |
484 | }\r |
485 | \r |
486 | UINTN\r |
487 | Atoi (\r |
488 | CHAR16 *String\r |
489 | )\r |
490 | /*++\r |
491 | \r |
492 | Routine Description:\r |
493 | Convert a unicode string to a UINTN\r |
494 | \r |
495 | Arguments:\r |
496 | String - Unicode string.\r |
497 | \r |
498 | Returns: \r |
499 | UINTN of the number represented by String. \r |
500 | \r |
501 | --*/\r |
502 | {\r |
503 | UINTN Number;\r |
504 | CHAR16 *Str;\r |
505 | \r |
506 | //\r |
507 | // skip preceeding white space\r |
508 | //\r |
509 | Str = String;\r |
510 | while ((*Str) && (*Str == ' ' || *Str == '"')) {\r |
511 | Str++;\r |
512 | }\r |
513 | //\r |
514 | // Convert ot a Number\r |
515 | //\r |
516 | Number = 0;\r |
517 | while (*Str != '\0') {\r |
518 | if ((*Str >= '0') && (*Str <= '9')) {\r |
519 | Number = (Number * 10) +*Str - '0';\r |
520 | } else {\r |
521 | break;\r |
522 | }\r |
523 | \r |
524 | Str++;\r |
525 | }\r |
526 | \r |
527 | return Number;\r |
528 | }\r |
529 | \r |
530 | VOID\r |
531 | EFIAPI\r |
532 | WinNtIoProtocolNotifyFunction (\r |
533 | IN EFI_EVENT Event,\r |
534 | IN VOID *Context\r |
535 | )\r |
536 | /*++\r |
537 | \r |
538 | Routine Description:\r |
539 | This function will log processor version and frequency data to data hub.\r |
540 | \r |
541 | Arguments:\r |
542 | Event - Event whose notification function is being invoked.\r |
543 | Context - Pointer to the notification function's context.\r |
544 | \r |
545 | Returns:\r |
546 | None.\r |
547 | \r |
548 | --*/\r |
549 | {\r |
550 | EFI_STATUS Status;\r |
551 | EFI_CPU_DATA_RECORD_BUFFER RecordBuffer;\r |
552 | EFI_DATA_RECORD_HEADER *Record;\r |
553 | EFI_SUBCLASS_TYPE1_HEADER *DataHeader;\r |
554 | UINT32 HeaderSize;\r |
555 | UINT32 TotalSize;\r |
556 | UINTN HandleCount;\r |
557 | UINTN HandleIndex;\r |
558 | UINT64 MonotonicCount;\r |
559 | BOOLEAN RecordFound;\r |
560 | EFI_HANDLE *HandleBuffer;\r |
561 | EFI_WIN_NT_IO_PROTOCOL *WinNtIo;\r |
562 | EFI_DATA_HUB_PROTOCOL *DataHub;\r |
563 | EFI_HII_PROTOCOL *Hii;\r |
564 | EFI_HII_HANDLE StringHandle;\r |
565 | EFI_HII_PACKAGES *PackageList;\r |
566 | STRING_REF Token;\r |
567 | \r |
568 | DataHub = NULL;\r |
569 | Token = 0;\r |
570 | MonotonicCount = 0;\r |
571 | RecordFound = FALSE;\r |
572 | \r |
573 | //\r |
574 | // Retrieve the list of all handles from the handle database\r |
575 | //\r |
576 | Status = gBS->LocateHandleBuffer (\r |
577 | AllHandles,\r |
578 | &gEfiWinNtIoProtocolGuid,\r |
579 | NULL,\r |
580 | &HandleCount,\r |
581 | &HandleBuffer\r |
582 | );\r |
583 | if (EFI_ERROR (Status)) {\r |
584 | return ;\r |
585 | }\r |
586 | //\r |
587 | // Locate HII protocol\r |
588 | //\r |
589 | Status = gBS->LocateProtocol (&gEfiHiiProtocolGuid, NULL, &Hii);\r |
590 | if (EFI_ERROR (Status)) {\r |
591 | return ;\r |
592 | }\r |
593 | //\r |
594 | // Locate DataHub protocol.\r |
595 | //\r |
596 | Status = gBS->LocateProtocol (&gEfiDataHubProtocolGuid, NULL, &DataHub);\r |
597 | if (EFI_ERROR (Status)) {\r |
598 | return ;\r |
599 | }\r |
600 | //\r |
601 | // Initialize data record header\r |
602 | //\r |
603 | mCpuDataRecordHeader.Instance = 1;\r |
604 | HeaderSize = sizeof (EFI_SUBCLASS_TYPE1_HEADER);\r |
605 | \r |
606 | RecordBuffer.Raw = AllocatePool (HeaderSize + EFI_CPU_DATA_MAXIMUM_LENGTH);\r |
607 | if (RecordBuffer.Raw == NULL) {\r |
608 | return ;\r |
609 | }\r |
610 | \r |
611 | CopyMem (RecordBuffer.Raw, &mCpuDataRecordHeader, HeaderSize);\r |
612 | \r |
613 | //\r |
614 | // Search the Handle array to find the CPU model and speed information\r |
615 | //\r |
616 | for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {\r |
617 | Status = gBS->OpenProtocol (\r |
618 | HandleBuffer[HandleIndex],\r |
619 | &gEfiWinNtIoProtocolGuid,\r |
620 | &WinNtIo,\r |
621 | Context,\r |
622 | NULL,\r |
623 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r |
624 | );\r |
625 | if (EFI_ERROR (Status)) {\r |
626 | continue;\r |
627 | }\r |
628 | \r |
629 | if ((WinNtIo->WinNtThunk->Signature == EFI_WIN_NT_THUNK_PROTOCOL_SIGNATURE) &&\r |
630 | CompareGuid (WinNtIo->TypeGuid, &gEfiWinNtCPUModelGuid)\r |
631 | ) {\r |
632 | //\r |
633 | // Check if this record has been stored in data hub\r |
634 | //\r |
635 | do {\r |
636 | Status = DataHub->GetNextRecord (DataHub, &MonotonicCount, NULL, &Record);\r |
637 | if (Record->DataRecordClass == EFI_DATA_RECORD_CLASS_DATA) {\r |
638 | DataHeader = (EFI_SUBCLASS_TYPE1_HEADER *) (Record + 1);\r |
639 | if (CompareGuid (&Record->DataRecordGuid, &gEfiProcessorSubClassGuid) &&\r |
640 | (DataHeader->RecordType == ProcessorVersionRecordType)\r |
641 | ) {\r |
642 | RecordFound = TRUE;\r |
643 | }\r |
644 | }\r |
645 | } while (MonotonicCount != 0);\r |
646 | \r |
647 | if (RecordFound) {\r |
648 | RecordFound = FALSE;\r |
649 | continue;\r |
650 | }\r |
651 | //\r |
652 | // Initialize strings to HII database\r |
653 | //\r |
741fb364 |
654 | PackageList = PreparePackages (1, &gEfiProcessorProducerGuid, CpuStrings);\r |
878ddf1f |
655 | \r |
656 | Status = Hii->NewPack (Hii, PackageList, &StringHandle);\r |
657 | ASSERT (!EFI_ERROR (Status));\r |
658 | \r |
659 | gBS->FreePool (PackageList);\r |
660 | \r |
661 | //\r |
662 | // Store processor version data record to data hub\r |
663 | //\r |
664 | Status = Hii->NewString (Hii, NULL, StringHandle, &Token, WinNtIo->EnvString);\r |
665 | ASSERT (!EFI_ERROR (Status));\r |
666 | \r |
667 | RecordBuffer.DataRecord->DataRecordHeader.RecordType = ProcessorVersionRecordType;\r |
668 | RecordBuffer.DataRecord->VariableRecord.ProcessorVersion = Token;\r |
669 | TotalSize = HeaderSize + sizeof (EFI_PROCESSOR_VERSION_DATA);\r |
670 | \r |
671 | Status = DataHub->LogData (\r |
672 | DataHub,\r |
673 | &gEfiProcessorSubClassGuid,\r |
674 | &gEfiProcessorProducerGuid,\r |
675 | EFI_DATA_RECORD_CLASS_DATA,\r |
676 | RecordBuffer.Raw,\r |
677 | TotalSize\r |
678 | );\r |
679 | }\r |
680 | \r |
681 | if ((WinNtIo->WinNtThunk->Signature == EFI_WIN_NT_THUNK_PROTOCOL_SIGNATURE) &&\r |
682 | CompareGuid (WinNtIo->TypeGuid, &gEfiWinNtCPUSpeedGuid)\r |
683 | ) {\r |
684 | //\r |
685 | // Check if this record has been stored in data hub\r |
686 | //\r |
687 | do {\r |
688 | Status = DataHub->GetNextRecord (DataHub, &MonotonicCount, NULL, &Record);\r |
689 | if (Record->DataRecordClass == EFI_DATA_RECORD_CLASS_DATA) {\r |
690 | DataHeader = (EFI_SUBCLASS_TYPE1_HEADER *) (Record + 1);\r |
691 | if (CompareGuid (&Record->DataRecordGuid, &gEfiProcessorSubClassGuid) &&\r |
692 | (DataHeader->RecordType == ProcessorCoreFrequencyRecordType)\r |
693 | ) {\r |
694 | RecordFound = TRUE;\r |
695 | }\r |
696 | }\r |
697 | } while (MonotonicCount != 0);\r |
698 | \r |
699 | if (RecordFound) {\r |
700 | RecordFound = FALSE;\r |
701 | continue;\r |
702 | }\r |
703 | //\r |
704 | // Store CPU frequency data record to data hub\r |
705 | //\r |
706 | RecordBuffer.DataRecord->DataRecordHeader.RecordType = ProcessorCoreFrequencyRecordType;\r |
707 | RecordBuffer.DataRecord->VariableRecord.ProcessorCoreFrequency.Value = (UINT16) Atoi (WinNtIo->EnvString);\r |
708 | RecordBuffer.DataRecord->VariableRecord.ProcessorCoreFrequency.Exponent = 6;\r |
709 | TotalSize = HeaderSize + sizeof (EFI_PROCESSOR_CORE_FREQUENCY_DATA);\r |
710 | \r |
711 | Status = DataHub->LogData (\r |
712 | DataHub,\r |
713 | &gEfiProcessorSubClassGuid,\r |
714 | &gEfiProcessorProducerGuid,\r |
715 | EFI_DATA_RECORD_CLASS_DATA,\r |
716 | RecordBuffer.Raw,\r |
717 | TotalSize\r |
718 | );\r |
719 | \r |
720 | gBS->FreePool (RecordBuffer.Raw);\r |
721 | }\r |
722 | \r |
723 | gBS->CloseProtocol (\r |
724 | HandleBuffer[HandleIndex],\r |
725 | &gEfiWinNtIoProtocolGuid,\r |
726 | Context,\r |
727 | NULL\r |
728 | );\r |
729 | }\r |
730 | }\r |