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3e8ad6bd JF |
1 | /** @file\r |
2 | Common header file for MP Initialize Library.\r | |
3 | \r | |
4 | Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #ifndef _MP_LIB_H_\r | |
16 | #define _MP_LIB_H_\r | |
17 | \r | |
18 | #include <PiPei.h>\r | |
19 | \r | |
20 | #include <Register/Cpuid.h>\r | |
21 | #include <Register/Msr.h>\r | |
22 | #include <Register/LocalApic.h>\r | |
23 | #include <Register/Microcode.h>\r | |
24 | \r | |
25 | #include <Library/MpInitLib.h>\r | |
26 | #include <Library/BaseLib.h>\r | |
27 | #include <Library/BaseMemoryLib.h>\r | |
28 | #include <Library/MemoryAllocationLib.h>\r | |
29 | #include <Library/DebugLib.h>\r | |
30 | #include <Library/LocalApicLib.h>\r | |
31 | #include <Library/CpuLib.h>\r | |
32 | #include <Library/UefiCpuLib.h>\r | |
33 | #include <Library/TimerLib.h>\r | |
34 | #include <Library/SynchronizationLib.h>\r | |
35 | #include <Library/MtrrLib.h>\r | |
36 | #include <Library/HobLib.h>\r | |
37 | \r | |
b8b04307 JF |
38 | #define WAKEUP_AP_SIGNAL SIGNATURE_32 ('S', 'T', 'A', 'P')\r |
39 | \r | |
93ca4c0f JF |
40 | #define CPU_INIT_MP_LIB_HOB_GUID \\r |
41 | { \\r | |
42 | 0x58eb6a19, 0x3699, 0x4c68, { 0xa8, 0x36, 0xda, 0xcd, 0x8e, 0xdc, 0xad, 0x4a } \\r | |
43 | }\r | |
44 | \r | |
41be0da5 JF |
45 | //\r |
46 | // The MP data for switch BSP\r | |
47 | //\r | |
48 | #define CPU_SWITCH_STATE_IDLE 0\r | |
49 | #define CPU_SWITCH_STATE_STORED 1\r | |
50 | #define CPU_SWITCH_STATE_LOADED 2\r | |
51 | \r | |
52 | //\r | |
53 | // CPU exchange information for switch BSP\r | |
54 | //\r | |
55 | typedef struct {\r | |
56 | UINT8 State; // offset 0\r | |
57 | UINTN StackPointer; // offset 4 / 8\r | |
58 | IA32_DESCRIPTOR Gdtr; // offset 8 / 16\r | |
59 | IA32_DESCRIPTOR Idtr; // offset 14 / 26\r | |
60 | } CPU_EXCHANGE_ROLE_INFO;\r | |
61 | \r | |
9ebcf0f4 JF |
62 | //\r |
63 | // AP loop state when APs are in idle state\r | |
64 | // It's value is the same with PcdCpuApLoopMode\r | |
65 | //\r | |
66 | typedef enum {\r | |
67 | ApInHltLoop = 1,\r | |
68 | ApInMwaitLoop = 2,\r | |
69 | ApInRunLoop = 3\r | |
70 | } AP_LOOP_MODE;\r | |
71 | \r | |
e59f8f6b JF |
72 | //\r |
73 | // AP initialization state during APs wakeup\r | |
74 | //\r | |
75 | typedef enum {\r | |
76 | ApInitConfig = 1,\r | |
77 | ApInitReconfig = 2,\r | |
78 | ApInitDone = 3\r | |
79 | } AP_INIT_STATE;\r | |
80 | \r | |
03a1a925 JF |
81 | //\r |
82 | // AP state\r | |
83 | //\r | |
84 | typedef enum {\r | |
85 | CpuStateIdle,\r | |
86 | CpuStateReady,\r | |
87 | CpuStateBusy,\r | |
88 | CpuStateFinished,\r | |
89 | CpuStateDisabled\r | |
90 | } CPU_STATE;\r | |
91 | \r | |
68cb9330 JF |
92 | //\r |
93 | // CPU volatile registers around INIT-SIPI-SIPI\r | |
94 | //\r | |
95 | typedef struct {\r | |
96 | UINTN Cr0;\r | |
97 | UINTN Cr3;\r | |
98 | UINTN Cr4;\r | |
99 | UINTN Dr0;\r | |
100 | UINTN Dr1;\r | |
101 | UINTN Dr2;\r | |
102 | UINTN Dr3;\r | |
103 | UINTN Dr6;\r | |
104 | UINTN Dr7;\r | |
105 | } CPU_VOLATILE_REGISTERS;\r | |
106 | \r | |
e59f8f6b JF |
107 | //\r |
108 | // AP related data\r | |
109 | //\r | |
110 | typedef struct {\r | |
111 | SPIN_LOCK ApLock;\r | |
112 | volatile UINT32 *StartupApSignal;\r | |
113 | volatile UINTN ApFunction;\r | |
114 | volatile UINTN ApFunctionArgument;\r | |
e59f8f6b | 115 | BOOLEAN CpuHealthy;\r |
03a1a925 | 116 | volatile CPU_STATE State;\r |
68cb9330 | 117 | CPU_VOLATILE_REGISTERS VolatileRegisters;\r |
e59f8f6b JF |
118 | BOOLEAN Waiting;\r |
119 | BOOLEAN *Finished;\r | |
120 | UINT64 ExpectedTime;\r | |
121 | UINT64 CurrentTime;\r | |
122 | UINT64 TotalTime;\r | |
123 | EFI_EVENT WaitEvent;\r | |
124 | } CPU_AP_DATA;\r | |
125 | \r | |
126 | //\r | |
127 | // Basic CPU information saved in Guided HOB.\r | |
128 | // Because the contents will be shard between PEI and DXE,\r | |
129 | // we need to make sure the each fields offset same in different\r | |
130 | // architecture.\r | |
131 | //\r | |
dd3fa0cd | 132 | #pragma pack (1)\r |
e59f8f6b JF |
133 | typedef struct {\r |
134 | UINT32 InitialApicId;\r | |
135 | UINT32 ApicId;\r | |
136 | UINT32 Health;\r | |
dd3fa0cd | 137 | UINT64 ApTopOfStack;\r |
e59f8f6b | 138 | } CPU_INFO_IN_HOB;\r |
dd3fa0cd | 139 | #pragma pack ()\r |
e59f8f6b | 140 | \r |
f7f85d83 JF |
141 | //\r |
142 | // AP reset code information including code address and size,\r | |
143 | // this structure will be shared be C code and assembly code.\r | |
144 | // It is natural aligned by design.\r | |
145 | //\r | |
146 | typedef struct {\r | |
147 | UINT8 *RendezvousFunnelAddress;\r | |
148 | UINTN ModeEntryOffset;\r | |
149 | UINTN RendezvousFunnelSize;\r | |
150 | UINT8 *RelocateApLoopFuncAddress;\r | |
151 | UINTN RelocateApLoopFuncSize;\r | |
152 | } MP_ASSEMBLY_ADDRESS_MAP;\r | |
3e8ad6bd | 153 | \r |
e59f8f6b JF |
154 | typedef struct _CPU_MP_DATA CPU_MP_DATA;\r |
155 | \r | |
d94e5f67 JF |
156 | #pragma pack(1)\r |
157 | \r | |
158 | //\r | |
159 | // MP CPU exchange information for AP reset code\r | |
160 | // This structure is required to be packed because fixed field offsets\r | |
161 | // into this structure are used in assembly code in this module\r | |
162 | //\r | |
163 | typedef struct {\r | |
164 | UINTN Lock;\r | |
165 | UINTN StackStart;\r | |
166 | UINTN StackSize;\r | |
167 | UINTN CFunction;\r | |
168 | IA32_DESCRIPTOR GdtrProfile;\r | |
169 | IA32_DESCRIPTOR IdtrProfile;\r | |
170 | UINTN BufferStart;\r | |
171 | UINTN ModeOffset;\r | |
172 | UINTN NumApsExecuting;\r | |
173 | UINTN CodeSegment;\r | |
174 | UINTN DataSegment;\r | |
5c66d125 | 175 | UINTN EnableExecuteDisable;\r |
d94e5f67 | 176 | UINTN Cr3;\r |
46d4b885 JF |
177 | UINTN InitFlag;\r |
178 | CPU_INFO_IN_HOB *CpuInfo;\r | |
e59f8f6b | 179 | CPU_MP_DATA *CpuMpData;\r |
d94e5f67 JF |
180 | } MP_CPU_EXCHANGE_INFO;\r |
181 | \r | |
182 | #pragma pack()\r | |
e59f8f6b JF |
183 | \r |
184 | //\r | |
185 | // CPU MP Data save in memory\r | |
186 | //\r | |
187 | struct _CPU_MP_DATA {\r | |
188 | UINT64 CpuInfoInHob;\r | |
189 | UINT32 CpuCount;\r | |
190 | UINT32 BspNumber;\r | |
191 | //\r | |
192 | // The above fields data will be passed from PEI to DXE\r | |
193 | // Please make sure the fields offset same in the different\r | |
194 | // architecture.\r | |
195 | //\r | |
196 | SPIN_LOCK MpLock;\r | |
197 | UINTN Buffer;\r | |
198 | UINTN CpuApStackSize;\r | |
199 | MP_ASSEMBLY_ADDRESS_MAP AddressMap;\r | |
200 | UINTN WakeupBuffer;\r | |
201 | UINTN BackupBuffer;\r | |
202 | UINTN BackupBufferSize;\r | |
d11f10d1 | 203 | BOOLEAN SaveRestoreFlag;\r |
e59f8f6b JF |
204 | \r |
205 | volatile UINT32 StartCount;\r | |
206 | volatile UINT32 FinishedCount;\r | |
207 | volatile UINT32 RunningCount;\r | |
208 | BOOLEAN SingleThread;\r | |
209 | EFI_AP_PROCEDURE Procedure;\r | |
210 | VOID *ProcArguments;\r | |
211 | BOOLEAN *Finished;\r | |
212 | UINT64 ExpectedTime;\r | |
213 | UINT64 CurrentTime;\r | |
214 | UINT64 TotalTime;\r | |
215 | EFI_EVENT WaitEvent;\r | |
216 | UINTN **FailedCpuList;\r | |
217 | \r | |
218 | AP_INIT_STATE InitFlag;\r | |
219 | BOOLEAN X2ApicEnable;\r | |
41be0da5 | 220 | BOOLEAN SwitchBspFlag;\r |
b3775af2 | 221 | UINTN NewBspNumber;\r |
41be0da5 JF |
222 | CPU_EXCHANGE_ROLE_INFO BSPInfo;\r |
223 | CPU_EXCHANGE_ROLE_INFO APInfo;\r | |
e59f8f6b JF |
224 | MTRR_SETTINGS MtrrTable;\r |
225 | UINT8 ApLoopMode;\r | |
226 | UINT8 ApTargetCState;\r | |
227 | UINT16 PmCodeSegment;\r | |
228 | CPU_AP_DATA *CpuData;\r | |
229 | volatile MP_CPU_EXCHANGE_INFO *MpCpuExchangeInfo;\r | |
230 | };\r | |
93ca4c0f JF |
231 | \r |
232 | extern EFI_GUID mCpuInitMpLibHobGuid;\r | |
233 | \r | |
76157021 JF |
234 | /**\r |
235 | Assembly code to place AP into safe loop mode.\r | |
236 | \r | |
237 | Place AP into targeted C-State if MONITOR is supported, otherwise\r | |
238 | place AP into hlt state.\r | |
239 | Place AP in protected mode if the current is long mode. Due to AP maybe\r | |
240 | wakeup by some hardware event. It could avoid accessing page table that\r | |
241 | may not available during booting to OS.\r | |
242 | \r | |
243 | @param[in] MwaitSupport TRUE indicates MONITOR is supported.\r | |
244 | FALSE indicates MONITOR is not supported.\r | |
245 | @param[in] ApTargetCState Target C-State value.\r | |
246 | @param[in] PmCodeSegment Protected mode code segment value.\r | |
247 | **/\r | |
248 | typedef\r | |
249 | VOID\r | |
250 | (EFIAPI * ASM_RELOCATE_AP_LOOP) (\r | |
251 | IN BOOLEAN MwaitSupport,\r | |
252 | IN UINTN ApTargetCState,\r | |
bf2786dc | 253 | IN UINTN PmCodeSegment,\r |
9f91cb01 JF |
254 | IN UINTN TopOfApStack,\r |
255 | IN UINTN NumberToFinish\r | |
76157021 | 256 | );\r |
f7f85d83 JF |
257 | \r |
258 | /**\r | |
259 | Assembly code to get starting address and size of the rendezvous entry for APs.\r | |
260 | Information for fixing a jump instruction in the code is also returned.\r | |
261 | \r | |
262 | @param[out] AddressMap Output buffer for address map information.\r | |
263 | **/\r | |
264 | VOID\r | |
265 | EFIAPI\r | |
266 | AsmGetAddressMap (\r | |
267 | OUT MP_ASSEMBLY_ADDRESS_MAP *AddressMap\r | |
268 | );\r | |
269 | \r | |
41be0da5 JF |
270 | /**\r |
271 | This function is called by both the BSP and the AP which is to become the BSP to\r | |
272 | Exchange execution context including stack between them. After return from this\r | |
273 | function, the BSP becomes AP and the AP becomes the BSP.\r | |
274 | \r | |
275 | @param[in] MyInfo Pointer to buffer holding the exchanging information for the executing processor.\r | |
276 | @param[in] OthersInfo Pointer to buffer holding the exchanging information for the peer.\r | |
277 | \r | |
278 | **/\r | |
279 | VOID\r | |
280 | EFIAPI\r | |
281 | AsmExchangeRole (\r | |
282 | IN CPU_EXCHANGE_ROLE_INFO *MyInfo,\r | |
283 | IN CPU_EXCHANGE_ROLE_INFO *OthersInfo\r | |
284 | );\r | |
285 | \r | |
93ca4c0f JF |
286 | /**\r |
287 | Get the pointer to CPU MP Data structure.\r | |
288 | \r | |
289 | @return The pointer to CPU MP Data structure.\r | |
290 | **/\r | |
291 | CPU_MP_DATA *\r | |
292 | GetCpuMpData (\r | |
293 | VOID\r | |
294 | );\r | |
295 | \r | |
296 | /**\r | |
297 | Save the pointer to CPU MP Data structure.\r | |
298 | \r | |
299 | @param[in] CpuMpData The pointer to CPU MP Data structure will be saved.\r | |
300 | **/\r | |
301 | VOID\r | |
302 | SaveCpuMpData (\r | |
303 | IN CPU_MP_DATA *CpuMpData\r | |
304 | );\r | |
305 | \r | |
ed66e0e3 JF |
306 | /**\r |
307 | Allocate reset vector buffer.\r | |
308 | \r | |
309 | @param[in, out] CpuMpData The pointer to CPU MP Data structure.\r | |
310 | **/\r | |
311 | VOID\r | |
312 | AllocateResetVector (\r | |
313 | IN OUT CPU_MP_DATA *CpuMpData\r | |
314 | );\r | |
315 | \r | |
316 | /**\r | |
317 | Free AP reset vector buffer.\r | |
318 | \r | |
319 | @param[in] CpuMpData The pointer to CPU MP Data structure.\r | |
320 | **/\r | |
321 | VOID\r | |
322 | FreeResetVector (\r | |
323 | IN CPU_MP_DATA *CpuMpData\r | |
324 | );\r | |
325 | \r | |
96f5920d JF |
326 | /**\r |
327 | This function will be called by BSP to wakeup AP.\r | |
328 | \r | |
329 | @param[in] CpuMpData Pointer to CPU MP Data\r | |
330 | @param[in] Broadcast TRUE: Send broadcast IPI to all APs\r | |
331 | FALSE: Send IPI to AP by ApicId\r | |
332 | @param[in] ProcessorNumber The handle number of specified processor\r | |
333 | @param[in] Procedure The function to be invoked by AP\r | |
334 | @param[in] ProcedureArgument The argument to be passed into AP function\r | |
335 | **/\r | |
336 | VOID\r | |
337 | WakeUpAP (\r | |
338 | IN CPU_MP_DATA *CpuMpData,\r | |
339 | IN BOOLEAN Broadcast,\r | |
340 | IN UINTN ProcessorNumber,\r | |
341 | IN EFI_AP_PROCEDURE Procedure, OPTIONAL\r | |
342 | IN VOID *ProcedureArgument OPTIONAL\r | |
343 | );\r | |
344 | \r | |
93ca4c0f JF |
345 | /**\r |
346 | Initialize global data for MP support.\r | |
347 | \r | |
348 | @param[in] CpuMpData The pointer to CPU MP Data structure.\r | |
349 | **/\r | |
350 | VOID\r | |
351 | InitMpGlobalData (\r | |
352 | IN CPU_MP_DATA *CpuMpData\r | |
353 | );\r | |
354 | \r | |
86efe976 JF |
355 | /**\r |
356 | Worker function to execute a caller provided function on all enabled APs.\r | |
357 | \r | |
358 | @param[in] Procedure A pointer to the function to be run on\r | |
359 | enabled APs of the system.\r | |
360 | @param[in] SingleThread If TRUE, then all the enabled APs execute\r | |
361 | the function specified by Procedure one by\r | |
362 | one, in ascending order of processor handle\r | |
363 | number. If FALSE, then all the enabled APs\r | |
364 | execute the function specified by Procedure\r | |
365 | simultaneously.\r | |
366 | @param[in] WaitEvent The event created by the caller with CreateEvent()\r | |
367 | service.\r | |
367284e7 | 368 | @param[in] TimeoutInMicroseconds Indicates the time limit in microseconds for\r |
86efe976 JF |
369 | APs to return from Procedure, either for\r |
370 | blocking or non-blocking mode.\r | |
371 | @param[in] ProcedureArgument The parameter passed into Procedure for\r | |
372 | all APs.\r | |
373 | @param[out] FailedCpuList If all APs finish successfully, then its\r | |
374 | content is set to NULL. If not all APs\r | |
375 | finish before timeout expires, then its\r | |
376 | content is set to address of the buffer\r | |
377 | holding handle numbers of the failed APs.\r | |
378 | \r | |
379 | @retval EFI_SUCCESS In blocking mode, all APs have finished before\r | |
380 | the timeout expired.\r | |
381 | @retval EFI_SUCCESS In non-blocking mode, function has been dispatched\r | |
382 | to all enabled APs.\r | |
383 | @retval others Failed to Startup all APs.\r | |
384 | \r | |
385 | **/\r | |
386 | EFI_STATUS\r | |
387 | StartupAllAPsWorker (\r | |
388 | IN EFI_AP_PROCEDURE Procedure,\r | |
389 | IN BOOLEAN SingleThread,\r | |
390 | IN EFI_EVENT WaitEvent OPTIONAL,\r | |
391 | IN UINTN TimeoutInMicroseconds,\r | |
392 | IN VOID *ProcedureArgument OPTIONAL,\r | |
393 | OUT UINTN **FailedCpuList OPTIONAL\r | |
394 | );\r | |
395 | \r | |
20ae5774 JF |
396 | /**\r |
397 | Worker function to let the caller get one enabled AP to execute a caller-provided\r | |
398 | function.\r | |
399 | \r | |
400 | @param[in] Procedure A pointer to the function to be run on\r | |
401 | enabled APs of the system.\r | |
402 | @param[in] ProcessorNumber The handle number of the AP.\r | |
403 | @param[in] WaitEvent The event created by the caller with CreateEvent()\r | |
404 | service.\r | |
367284e7 | 405 | @param[in] TimeoutInMicroseconds Indicates the time limit in microseconds for\r |
20ae5774 JF |
406 | APs to return from Procedure, either for\r |
407 | blocking or non-blocking mode.\r | |
408 | @param[in] ProcedureArgument The parameter passed into Procedure for\r | |
409 | all APs.\r | |
410 | @param[out] Finished If AP returns from Procedure before the\r | |
411 | timeout expires, its content is set to TRUE.\r | |
412 | Otherwise, the value is set to FALSE.\r | |
413 | \r | |
414 | @retval EFI_SUCCESS In blocking mode, specified AP finished before\r | |
415 | the timeout expires.\r | |
416 | @retval others Failed to Startup AP.\r | |
417 | \r | |
418 | **/\r | |
419 | EFI_STATUS\r | |
420 | StartupThisAPWorker (\r | |
421 | IN EFI_AP_PROCEDURE Procedure,\r | |
422 | IN UINTN ProcessorNumber,\r | |
423 | IN EFI_EVENT WaitEvent OPTIONAL,\r | |
424 | IN UINTN TimeoutInMicroseconds,\r | |
425 | IN VOID *ProcedureArgument OPTIONAL,\r | |
426 | OUT BOOLEAN *Finished OPTIONAL\r | |
427 | );\r | |
428 | \r | |
41be0da5 JF |
429 | /**\r |
430 | Worker function to switch the requested AP to be the BSP from that point onward.\r | |
431 | \r | |
432 | @param[in] ProcessorNumber The handle number of AP that is to become the new BSP.\r | |
433 | @param[in] EnableOldBSP If TRUE, then the old BSP will be listed as an\r | |
434 | enabled AP. Otherwise, it will be disabled.\r | |
435 | \r | |
436 | @retval EFI_SUCCESS BSP successfully switched.\r | |
437 | @retval others Failed to switch BSP. \r | |
438 | \r | |
439 | **/\r | |
440 | EFI_STATUS\r | |
441 | SwitchBSPWorker (\r | |
442 | IN UINTN ProcessorNumber,\r | |
443 | IN BOOLEAN EnableOldBSP\r | |
444 | );\r | |
445 | \r | |
e37109bc JF |
446 | /**\r |
447 | Worker function to let the caller enable or disable an AP from this point onward.\r | |
448 | This service may only be called from the BSP.\r | |
449 | \r | |
450 | @param[in] ProcessorNumber The handle number of AP.\r | |
451 | @param[in] EnableAP Specifies the new state for the processor for\r | |
452 | enabled, FALSE for disabled.\r | |
453 | @param[in] HealthFlag If not NULL, a pointer to a value that specifies\r | |
454 | the new health status of the AP.\r | |
455 | \r | |
456 | @retval EFI_SUCCESS The specified AP was enabled or disabled successfully.\r | |
457 | @retval others Failed to Enable/Disable AP.\r | |
458 | \r | |
459 | **/\r | |
460 | EFI_STATUS\r | |
461 | EnableDisableApWorker (\r | |
462 | IN UINTN ProcessorNumber,\r | |
463 | IN BOOLEAN EnableAP,\r | |
464 | IN UINT32 *HealthFlag OPTIONAL\r | |
465 | );\r | |
466 | \r | |
93ca4c0f JF |
467 | /**\r |
468 | Get pointer to CPU MP Data structure from GUIDed HOB.\r | |
469 | \r | |
470 | @return The pointer to CPU MP Data structure.\r | |
471 | **/\r | |
472 | CPU_MP_DATA *\r | |
473 | GetCpuMpDataFromGuidedHob (\r | |
474 | VOID\r | |
475 | );\r | |
08085f08 JF |
476 | \r |
477 | /** Checks status of specified AP.\r | |
478 | \r | |
479 | This function checks whether the specified AP has finished the task assigned\r | |
480 | by StartupThisAP(), and whether timeout expires.\r | |
481 | \r | |
482 | @param[in] ProcessorNumber The handle number of processor.\r | |
483 | \r | |
484 | @retval EFI_SUCCESS Specified AP has finished task assigned by StartupThisAPs().\r | |
485 | @retval EFI_TIMEOUT The timeout expires.\r | |
486 | @retval EFI_NOT_READY Specified AP has not finished task and timeout has not expired.\r | |
487 | **/\r | |
488 | EFI_STATUS\r | |
489 | CheckThisAP (\r | |
490 | IN UINTN ProcessorNumber\r | |
491 | );\r | |
492 | \r | |
493 | /**\r | |
494 | Checks status of all APs.\r | |
495 | \r | |
496 | This function checks whether all APs have finished task assigned by StartupAllAPs(),\r | |
497 | and whether timeout expires.\r | |
498 | \r | |
499 | @retval EFI_SUCCESS All APs have finished task assigned by StartupAllAPs().\r | |
500 | @retval EFI_TIMEOUT The timeout expires.\r | |
501 | @retval EFI_NOT_READY APs have not finished task and timeout has not expired.\r | |
502 | **/\r | |
503 | EFI_STATUS\r | |
504 | CheckAllAPs (\r | |
505 | VOID\r | |
506 | );\r | |
507 | \r | |
508 | /**\r | |
509 | Checks APs status and updates APs status if needed.\r | |
510 | \r | |
511 | **/\r | |
512 | VOID\r | |
513 | CheckAndUpdateApsStatus (\r | |
514 | VOID\r | |
515 | );\r | |
516 | \r | |
94f63c76 JF |
517 | /**\r |
518 | Detect whether specified processor can find matching microcode patch and load it.\r | |
519 | \r | |
b31c1ad1 | 520 | @param[in] CpuMpData The pointer to CPU MP Data structure.\r |
94f63c76 JF |
521 | **/\r |
522 | VOID\r | |
523 | MicrocodeDetect (\r | |
524 | IN CPU_MP_DATA *CpuMpData\r | |
525 | );\r | |
526 | \r | |
4d3314f6 JF |
527 | /**\r |
528 | Detect whether Mwait-monitor feature is supported.\r | |
529 | \r | |
530 | @retval TRUE Mwait-monitor feature is supported.\r | |
531 | @retval FALSE Mwait-monitor feature is not supported.\r | |
532 | **/\r | |
533 | BOOLEAN\r | |
534 | IsMwaitSupport (\r | |
535 | VOID\r | |
536 | );\r | |
537 | \r | |
6dc05093 JF |
538 | /**\r |
539 | Notify function on End Of PEI PPI.\r | |
540 | \r | |
541 | On S3 boot, this function will restore wakeup buffer data.\r | |
542 | On normal boot, this function will flag wakeup buffer to be un-used type.\r | |
543 | \r | |
544 | @param[in] PeiServices The pointer to the PEI Services Table.\r | |
545 | @param[in] NotifyDescriptor Address of the notification descriptor data structure.\r | |
546 | @param[in] Ppi Address of the PPI that was installed.\r | |
547 | \r | |
548 | @retval EFI_SUCCESS When everything is OK.\r | |
549 | **/\r | |
550 | EFI_STATUS\r | |
551 | EFIAPI\r | |
552 | CpuMpEndOfPeiCallback (\r | |
553 | IN EFI_PEI_SERVICES **PeiServices,\r | |
554 | IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r | |
555 | IN VOID *Ppi\r | |
556 | );\r | |
557 | \r | |
42c37b3b JF |
558 | /**\r |
559 | Get available system memory below 1MB by specified size.\r | |
560 | \r | |
561 | @param[in] CpuMpData The pointer to CPU MP Data structure.\r | |
562 | **/\r | |
563 | VOID\r | |
564 | BackupAndPrepareWakeupBuffer(\r | |
565 | IN CPU_MP_DATA *CpuMpData\r | |
566 | );\r | |
567 | \r | |
568 | /**\r | |
569 | Restore wakeup buffer data.\r | |
570 | \r | |
571 | @param[in] CpuMpData The pointer to CPU MP Data structure.\r | |
572 | **/\r | |
573 | VOID\r | |
574 | RestoreWakeupBuffer(\r | |
575 | IN CPU_MP_DATA *CpuMpData\r | |
576 | );\r | |
577 | \r | |
43c9fdcc JF |
578 | /**\r |
579 | Enable Debug Agent to support source debugging on AP function.\r | |
580 | \r | |
581 | **/\r | |
582 | VOID\r | |
583 | EnableDebugAgent (\r | |
584 | VOID\r | |
585 | );\r | |
586 | \r | |
3e8ad6bd JF |
587 | #endif\r |
588 | \r |