[mirror_edk2.git] / UefiCpuPkg / Library / MpInitLib / MpLib.h

/** @file\r
  Common header file for MP Initialize Library.\r
\r
  Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef _MP_LIB_H_\r
#define _MP_LIB_H_\r
\r
#include <PiPei.h>\r
\r
#include <Register/Intel/Cpuid.h>\r
#include <Register/Intel/Msr.h>\r
#include <Register/Intel/LocalApic.h>\r
#include <Register/Intel/Microcode.h>\r
\r
#include <Library/MpInitLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/LocalApicLib.h>\r
#include <Library/CpuLib.h>\r
#include <Library/UefiCpuLib.h>\r
#include <Library/TimerLib.h>\r
#include <Library/SynchronizationLib.h>\r
#include <Library/MtrrLib.h>\r
#include <Library/HobLib.h>\r
\r
#define WAKEUP_AP_SIGNAL SIGNATURE_32 ('S', 'T', 'A', 'P')\r
\r
#define CPU_INIT_MP_LIB_HOB_GUID \\r
  { \\r
    0x58eb6a19, 0x3699, 0x4c68, { 0xa8, 0x36, 0xda, 0xcd, 0x8e, 0xdc, 0xad, 0x4a } \\r
  }\r
\r
//\r
//  The MP data for switch BSP\r
//\r
#define CPU_SWITCH_STATE_IDLE   0\r
#define CPU_SWITCH_STATE_STORED 1\r
#define CPU_SWITCH_STATE_LOADED 2\r
\r
//\r
// CPU exchange information for switch BSP\r
//\r
typedef struct {\r
  UINT8             State;        // offset 0\r
  UINTN             StackPointer; // offset 4 / 8\r
  IA32_DESCRIPTOR   Gdtr;         // offset 8 / 16\r
  IA32_DESCRIPTOR   Idtr;         // offset 14 / 26\r
} CPU_EXCHANGE_ROLE_INFO;\r
\r
//\r
// AP loop state when APs are in idle state\r
// It's value is the same with PcdCpuApLoopMode\r
//\r
typedef enum {\r
  ApInHltLoop   = 1,\r
  ApInMwaitLoop = 2,\r
  ApInRunLoop   = 3\r
} AP_LOOP_MODE;\r
\r
//\r
// AP initialization state during APs wakeup\r
//\r
typedef enum {\r
  ApInitConfig   = 1,\r
  ApInitReconfig = 2,\r
  ApInitDone     = 3\r
} AP_INIT_STATE;\r
\r
//\r
// AP state\r
//\r
// The state transitions for an AP when it process a procedure are:\r
//  Idle ----> Ready ----> Busy ----> Idle\r
//       [BSP]       [AP]       [AP]\r
//\r
typedef enum {\r
  CpuStateIdle,\r
  CpuStateReady,\r
  CpuStateBusy,\r
  CpuStateFinished,\r
  CpuStateDisabled\r
} CPU_STATE;\r
\r
//\r
// CPU volatile registers around INIT-SIPI-SIPI\r
//\r
typedef struct {\r
  UINTN                          Cr0;\r
  UINTN                          Cr3;\r
  UINTN                          Cr4;\r
  UINTN                          Dr0;\r
  UINTN                          Dr1;\r
  UINTN                          Dr2;\r
  UINTN                          Dr3;\r
  UINTN                          Dr6;\r
  UINTN                          Dr7;\r
  IA32_DESCRIPTOR                Gdtr;\r
  IA32_DESCRIPTOR                Idtr;\r
  UINT16                         Tr;\r
} CPU_VOLATILE_REGISTERS;\r
\r
//\r
// AP related data\r
//\r
typedef struct {\r
  SPIN_LOCK                      ApLock;\r
  volatile UINT32                *StartupApSignal;\r
  volatile UINTN                 ApFunction;\r
  volatile UINTN                 ApFunctionArgument;\r
  BOOLEAN                        CpuHealthy;\r
  volatile CPU_STATE             State;\r
  CPU_VOLATILE_REGISTERS         VolatileRegisters;\r
  BOOLEAN                        Waiting;\r
  BOOLEAN                        *Finished;\r
  UINT64                         ExpectedTime;\r
  UINT64                         CurrentTime;\r
  UINT64                         TotalTime;\r
  EFI_EVENT                      WaitEvent;\r
  UINT32                         ProcessorSignature;\r
  UINT8                          PlatformId;\r
} CPU_AP_DATA;\r
\r
//\r
// Basic CPU information saved in Guided HOB.\r
// Because the contents will be shard between PEI and DXE,\r
// we need to make sure the each fields offset same in different\r
// architecture.\r
//\r
#pragma pack (1)\r
typedef struct {\r
  UINT32                         InitialApicId;\r
  UINT32                         ApicId;\r
  UINT32                         Health;\r
  UINT64                         ApTopOfStack;\r
} CPU_INFO_IN_HOB;\r
#pragma pack ()\r
\r
//\r
// AP reset code information including code address and size,\r
// this structure will be shared be C code and assembly code.\r
// It is natural aligned by design.\r
//\r
typedef struct {\r
  UINT8             *RendezvousFunnelAddress;\r
  UINTN             ModeEntryOffset;\r
  UINTN             RendezvousFunnelSize;\r
  UINT8             *RelocateApLoopFuncAddress;\r
  UINTN             RelocateApLoopFuncSize;\r
  UINTN             ModeTransitionOffset;\r
} MP_ASSEMBLY_ADDRESS_MAP;\r
\r
typedef struct _CPU_MP_DATA  CPU_MP_DATA;\r
\r
#pragma pack(1)\r
\r
//\r
// MP CPU exchange information for AP reset code\r
// This structure is required to be packed because fixed field offsets\r
// into this structure are used in assembly code in this module\r
//\r
typedef struct {\r
  UINTN                 Lock;\r
  UINTN                 StackStart;\r
  UINTN                 StackSize;\r
  UINTN                 CFunction;\r
  IA32_DESCRIPTOR       GdtrProfile;\r
  IA32_DESCRIPTOR       IdtrProfile;\r
  UINTN                 BufferStart;\r
  UINTN                 ModeOffset;\r
  UINTN                 ApIndex;\r
  UINTN                 CodeSegment;\r
  UINTN                 DataSegment;\r
  UINTN                 EnableExecuteDisable;\r
  UINTN                 Cr3;\r
  UINTN                 InitFlag;\r
  CPU_INFO_IN_HOB       *CpuInfo;\r
  UINTN                 NumApsExecuting;\r
  CPU_MP_DATA           *CpuMpData;\r
  UINTN                 InitializeFloatingPointUnitsAddress;\r
  UINT32                ModeTransitionMemory;\r
  UINT16                ModeTransitionSegment;\r
  UINT32                ModeHighMemory;\r
  UINT16                ModeHighSegment;\r
  //\r
  // Enable5LevelPaging indicates whether 5-level paging is enabled in long mode.\r
  //\r
  BOOLEAN               Enable5LevelPaging;\r
} MP_CPU_EXCHANGE_INFO;\r
\r
#pragma pack()\r
\r
//\r
// CPU MP Data save in memory\r
//\r
struct _CPU_MP_DATA {\r
  UINT64                         CpuInfoInHob;\r
  UINT32                         CpuCount;\r
  UINT32                         BspNumber;\r
  //\r
  // The above fields data will be passed from PEI to DXE\r
  // Please make sure the fields offset same in the different\r
  // architecture.\r
  //\r
  SPIN_LOCK                      MpLock;\r
  UINTN                          Buffer;\r
  UINTN                          CpuApStackSize;\r
  MP_ASSEMBLY_ADDRESS_MAP        AddressMap;\r
  UINTN                          WakeupBuffer;\r
  UINTN                          WakeupBufferHigh;\r
  UINTN                          BackupBuffer;\r
  UINTN                          BackupBufferSize;\r
\r
  volatile UINT32                FinishedCount;\r
  UINT32                         RunningCount;\r
  BOOLEAN                        SingleThread;\r
  EFI_AP_PROCEDURE               Procedure;\r
  VOID                           *ProcArguments;\r
  BOOLEAN                        *Finished;\r
  UINT64                         ExpectedTime;\r
  UINT64                         CurrentTime;\r
  UINT64                         TotalTime;\r
  EFI_EVENT                      WaitEvent;\r
  UINTN                          **FailedCpuList;\r
\r
  AP_INIT_STATE                  InitFlag;\r
  BOOLEAN                        SwitchBspFlag;\r
  UINTN                          NewBspNumber;\r
  CPU_EXCHANGE_ROLE_INFO         BSPInfo;\r
  CPU_EXCHANGE_ROLE_INFO         APInfo;\r
  MTRR_SETTINGS                  MtrrTable;\r
  UINT8                          ApLoopMode;\r
  UINT8                          ApTargetCState;\r
  UINT16                         PmCodeSegment;\r
  CPU_AP_DATA                    *CpuData;\r
  volatile MP_CPU_EXCHANGE_INFO  *MpCpuExchangeInfo;\r
\r
  UINT32                         CurrentTimerCount;\r
  UINTN                          DivideValue;\r
  UINT8                          Vector;\r
  BOOLEAN                        PeriodicMode;\r
  BOOLEAN                        TimerInterruptState;\r
  UINT64                         MicrocodePatchAddress;\r
  UINT64                         MicrocodePatchRegionSize;\r
\r
  UINT32                         ProcessorSignature;\r
  UINT32                         ProcessorFlags;\r
  UINT64                         MicrocodeDataAddress;\r
  UINT32                         MicrocodeRevision;\r
\r
  //\r
  // Whether need to use Init-Sipi-Sipi to wake up the APs.\r
  // Two cases need to set this value to TRUE. One is in HLT\r
  // loop mode, the other is resume from S3 which loop mode\r
  // will be hardcode change to HLT mode by PiSmmCpuDxeSmm\r
  // driver.\r
  //\r
  BOOLEAN                        WakeUpByInitSipiSipi;\r
};\r
\r
extern EFI_GUID mCpuInitMpLibHobGuid;\r
\r
/**\r
  Assembly code to place AP into safe loop mode.\r
\r
  Place AP into targeted C-State if MONITOR is supported, otherwise\r
  place AP into hlt state.\r
  Place AP in protected mode if the current is long mode. Due to AP maybe\r
  wakeup by some hardware event. It could avoid accessing page table that\r
  may not available during booting to OS.\r
\r
  @param[in] MwaitSupport    TRUE indicates MONITOR is supported.\r
                             FALSE indicates MONITOR is not supported.\r
  @param[in] ApTargetCState  Target C-State value.\r
  @param[in] PmCodeSegment   Protected mode code segment value.\r
**/\r
typedef\r
VOID\r
(EFIAPI * ASM_RELOCATE_AP_LOOP) (\r
  IN BOOLEAN                 MwaitSupport,\r
  IN UINTN                   ApTargetCState,\r
  IN UINTN                   PmCodeSegment,\r
  IN UINTN                   TopOfApStack,\r
  IN UINTN                   NumberToFinish\r
  );\r
\r
/**\r
  Assembly code to get starting address and size of the rendezvous entry for APs.\r
  Information for fixing a jump instruction in the code is also returned.\r
\r
  @param[out] AddressMap  Output buffer for address map information.\r
**/\r
VOID\r
EFIAPI\r
AsmGetAddressMap (\r
  OUT MP_ASSEMBLY_ADDRESS_MAP    *AddressMap\r
  );\r
\r
/**\r
  This function is called by both the BSP and the AP which is to become the BSP to\r
  Exchange execution context including stack between them. After return from this\r
  function, the BSP becomes AP and the AP becomes the BSP.\r
\r
  @param[in] MyInfo      Pointer to buffer holding the exchanging information for the executing processor.\r
  @param[in] OthersInfo  Pointer to buffer holding the exchanging information for the peer.\r
\r
**/\r
VOID\r
EFIAPI\r
AsmExchangeRole (\r
  IN CPU_EXCHANGE_ROLE_INFO    *MyInfo,\r
  IN CPU_EXCHANGE_ROLE_INFO    *OthersInfo\r
  );\r
\r
/**\r
  Get the pointer to CPU MP Data structure.\r
\r
  @return  The pointer to CPU MP Data structure.\r
**/\r
CPU_MP_DATA *\r
GetCpuMpData (\r
  VOID\r
  );\r
\r
/**\r
  Save the pointer to CPU MP Data structure.\r
\r
  @param[in] CpuMpData  The pointer to CPU MP Data structure will be saved.\r
**/\r
VOID\r
SaveCpuMpData (\r
  IN CPU_MP_DATA   *CpuMpData\r
  );\r
\r
\r
/**\r
  Get available system memory below 1MB by specified size.\r
\r
  @param[in] WakeupBufferSize   Wakeup buffer size required\r
\r
  @retval other   Return wakeup buffer address below 1MB.\r
  @retval -1      Cannot find free memory below 1MB.\r
**/\r
UINTN\r
GetWakeupBuffer (\r
  IN UINTN                WakeupBufferSize\r
  );\r
\r
/**\r
  Get available EfiBootServicesCode memory below 4GB by specified size.\r
\r
  This buffer is required to safely transfer AP from real address mode to\r
  protected mode or long mode, due to the fact that the buffer returned by\r
  GetWakeupBuffer() may be marked as non-executable.\r
\r
  @param[in] BufferSize   Wakeup transition buffer size.\r
\r
  @retval other   Return wakeup transition buffer address below 4GB.\r
  @retval 0       Cannot find free memory below 4GB.\r
**/\r
UINTN\r
GetModeTransitionBuffer (\r
  IN UINTN                BufferSize\r
  );\r
\r
/**\r
  This function will be called by BSP to wakeup AP.\r
\r
  @param[in] CpuMpData          Pointer to CPU MP Data\r
  @param[in] Broadcast          TRUE:  Send broadcast IPI to all APs\r
                                FALSE: Send IPI to AP by ApicId\r
  @param[in] ProcessorNumber    The handle number of specified processor\r
  @param[in] Procedure          The function to be invoked by AP\r
  @param[in] ProcedureArgument  The argument to be passed into AP function\r
  @param[in] WakeUpDisabledAps  Whether need to wake up disabled APs in broadcast mode.\r
**/\r
VOID\r
WakeUpAP (\r
  IN CPU_MP_DATA               *CpuMpData,\r
  IN BOOLEAN                   Broadcast,\r
  IN UINTN                     ProcessorNumber,\r
  IN EFI_AP_PROCEDURE          Procedure,              OPTIONAL\r
  IN VOID                      *ProcedureArgument,     OPTIONAL\r
  IN BOOLEAN                   WakeUpDisabledAps       OPTIONAL\r
  );\r
\r
/**\r
  Initialize global data for MP support.\r
\r
  @param[in] CpuMpData  The pointer to CPU MP Data structure.\r
**/\r
VOID\r
InitMpGlobalData (\r
  IN CPU_MP_DATA               *CpuMpData\r
  );\r
\r
/**\r
  Worker function to execute a caller provided function on all enabled APs.\r
\r
  @param[in]  Procedure               A pointer to the function to be run on\r
                                      enabled APs of the system.\r
  @param[in]  SingleThread            If TRUE, then all the enabled APs execute\r
                                      the function specified by Procedure one by\r
                                      one, in ascending order of processor handle\r
                                      number.  If FALSE, then all the enabled APs\r
                                      execute the function specified by Procedure\r
                                      simultaneously.\r
  @param[in]  ExcludeBsp              Whether let BSP also trig this task.\r
  @param[in]  WaitEvent               The event created by the caller with CreateEvent()\r
                                      service.\r
  @param[in]  TimeoutInMicroseconds   Indicates the time limit in microseconds for\r
                                      APs to return from Procedure, either for\r
                                      blocking or non-blocking mode.\r
  @param[in]  ProcedureArgument       The parameter passed into Procedure for\r
                                      all APs.\r
  @param[out] FailedCpuList           If all APs finish successfully, then its\r
                                      content is set to NULL. If not all APs\r
                                      finish before timeout expires, then its\r
                                      content is set to address of the buffer\r
                                      holding handle numbers of the failed APs.\r
\r
  @retval EFI_SUCCESS             In blocking mode, all APs have finished before\r
                                  the timeout expired.\r
  @retval EFI_SUCCESS             In non-blocking mode, function has been dispatched\r
                                  to all enabled APs.\r
  @retval others                  Failed to Startup all APs.\r
\r
**/\r
EFI_STATUS\r
StartupAllCPUsWorker (\r
  IN  EFI_AP_PROCEDURE          Procedure,\r
  IN  BOOLEAN                   SingleThread,\r
  IN  BOOLEAN                   ExcludeBsp,\r
  IN  EFI_EVENT                 WaitEvent               OPTIONAL,\r
  IN  UINTN                     TimeoutInMicroseconds,\r
  IN  VOID                      *ProcedureArgument      OPTIONAL,\r
  OUT UINTN                     **FailedCpuList         OPTIONAL\r
  );\r
\r
/**\r
  Worker function to let the caller get one enabled AP to execute a caller-provided\r
  function.\r
\r
  @param[in]  Procedure               A pointer to the function to be run on\r
                                      enabled APs of the system.\r
  @param[in]  ProcessorNumber         The handle number of the AP.\r
  @param[in]  WaitEvent               The event created by the caller with CreateEvent()\r
                                      service.\r
  @param[in]  TimeoutInMicroseconds   Indicates the time limit in microseconds for\r
                                      APs to return from Procedure, either for\r
                                      blocking or non-blocking mode.\r
  @param[in]  ProcedureArgument       The parameter passed into Procedure for\r
                                      all APs.\r
  @param[out] Finished                If AP returns from Procedure before the\r
                                      timeout expires, its content is set to TRUE.\r
                                      Otherwise, the value is set to FALSE.\r
\r
  @retval EFI_SUCCESS             In blocking mode, specified AP finished before\r
                                  the timeout expires.\r
  @retval others                  Failed to Startup AP.\r
\r
**/\r
EFI_STATUS\r
StartupThisAPWorker (\r
  IN  EFI_AP_PROCEDURE          Procedure,\r
  IN  UINTN                     ProcessorNumber,\r
  IN  EFI_EVENT                 WaitEvent               OPTIONAL,\r
  IN  UINTN                     TimeoutInMicroseconds,\r
  IN  VOID                      *ProcedureArgument      OPTIONAL,\r
  OUT BOOLEAN                   *Finished               OPTIONAL\r
  );\r
\r
/**\r
  Worker function to switch the requested AP to be the BSP from that point onward.\r
\r
  @param[in] ProcessorNumber   The handle number of AP that is to become the new BSP.\r
  @param[in] EnableOldBSP      If TRUE, then the old BSP will be listed as an\r
                               enabled AP. Otherwise, it will be disabled.\r
\r
  @retval EFI_SUCCESS          BSP successfully switched.\r
  @retval others               Failed to switch BSP.\r
\r
**/\r
EFI_STATUS\r
SwitchBSPWorker (\r
  IN UINTN                     ProcessorNumber,\r
  IN BOOLEAN                   EnableOldBSP\r
  );\r
\r
/**\r
  Worker function to let the caller enable or disable an AP from this point onward.\r
  This service may only be called from the BSP.\r
\r
  @param[in] ProcessorNumber   The handle number of AP.\r
  @param[in] EnableAP          Specifies the new state for the processor for\r
                               enabled, FALSE for disabled.\r
  @param[in] HealthFlag        If not NULL, a pointer to a value that specifies\r
                               the new health status of the AP.\r
\r
  @retval EFI_SUCCESS          The specified AP was enabled or disabled successfully.\r
  @retval others               Failed to Enable/Disable AP.\r
\r
**/\r
EFI_STATUS\r
EnableDisableApWorker (\r
  IN  UINTN                     ProcessorNumber,\r
  IN  BOOLEAN                   EnableAP,\r
  IN  UINT32                    *HealthFlag OPTIONAL\r
  );\r
\r
/**\r
  Get pointer to CPU MP Data structure from GUIDed HOB.\r
\r
  @return  The pointer to CPU MP Data structure.\r
**/\r
CPU_MP_DATA *\r
GetCpuMpDataFromGuidedHob (\r
  VOID\r
  );\r
\r
/** Checks status of specified AP.\r
\r
  This function checks whether the specified AP has finished the task assigned\r
  by StartupThisAP(), and whether timeout expires.\r
\r
  @param[in]  ProcessorNumber       The handle number of processor.\r
\r
  @retval EFI_SUCCESS           Specified AP has finished task assigned by StartupThisAPs().\r
  @retval EFI_TIMEOUT           The timeout expires.\r
  @retval EFI_NOT_READY         Specified AP has not finished task and timeout has not expired.\r
**/\r
EFI_STATUS\r
CheckThisAP (\r
  IN UINTN        ProcessorNumber\r
  );\r
\r
/**\r
  Checks status of all APs.\r
\r
  This function checks whether all APs have finished task assigned by StartupAllAPs(),\r
  and whether timeout expires.\r
\r
  @retval EFI_SUCCESS           All APs have finished task assigned by StartupAllAPs().\r
  @retval EFI_TIMEOUT           The timeout expires.\r
  @retval EFI_NOT_READY         APs have not finished task and timeout has not expired.\r
**/\r
EFI_STATUS\r
CheckAllAPs (\r
  VOID\r
  );\r
\r
/**\r
  Checks APs status and updates APs status if needed.\r
\r
**/\r
VOID\r
CheckAndUpdateApsStatus (\r
  VOID\r
  );\r
\r
/**\r
  Detect whether specified processor can find matching microcode patch and load it.\r
\r
  @param[in]  CpuMpData    The pointer to CPU MP Data structure.\r
  @param[in]  IsBspCallIn  Indicate whether the caller is BSP or not.\r
**/\r
VOID\r
MicrocodeDetect (\r
  IN CPU_MP_DATA             *CpuMpData,\r
  IN BOOLEAN                 IsBspCallIn\r
  );\r
\r
/**\r
  Detect whether Mwait-monitor feature is supported.\r
\r
  @retval TRUE    Mwait-monitor feature is supported.\r
  @retval FALSE   Mwait-monitor feature is not supported.\r
**/\r
BOOLEAN\r
IsMwaitSupport (\r
  VOID\r
  );\r
\r
/**\r
  Enable Debug Agent to support source debugging on AP function.\r
\r
**/\r
VOID\r
EnableDebugAgent (\r
  VOID\r
  );\r
\r
#endif\r
\r
Commit	Line	Data
3e8ad6bd JF	1	/** @file\r
	2	Common header file for MP Initialize Library.\r
	3	\r
ee0c39fa	4	Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>\r
0acd8697	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
3e8ad6bd JF	6	\r
	7	**/\r
	8	\r
	9	#ifndef _MP_LIB_H_\r
	10	#define _MP_LIB_H_\r
	11	\r
	12	#include <PiPei.h>\r
	13	\r
01acb06c RN	14	#include <Register/Intel/Cpuid.h>\r
	15	#include <Register/Intel/Msr.h>\r
	16	#include <Register/Intel/LocalApic.h>\r
	17	#include <Register/Intel/Microcode.h>\r
3e8ad6bd JF	18	\r
	19	#include <Library/MpInitLib.h>\r
	20	#include <Library/BaseLib.h>\r
	21	#include <Library/BaseMemoryLib.h>\r
	22	#include <Library/MemoryAllocationLib.h>\r
	23	#include <Library/DebugLib.h>\r
	24	#include <Library/LocalApicLib.h>\r
	25	#include <Library/CpuLib.h>\r
	26	#include <Library/UefiCpuLib.h>\r
	27	#include <Library/TimerLib.h>\r
	28	#include <Library/SynchronizationLib.h>\r
	29	#include <Library/MtrrLib.h>\r
	30	#include <Library/HobLib.h>\r
	31	\r
b8b04307 JF	32	#define WAKEUP_AP_SIGNAL SIGNATURE_32 ('S', 'T', 'A', 'P')\r
b8b04307 JF	33	\r
93ca4c0f JF	34	#define CPU_INIT_MP_LIB_HOB_GUID \\r
	35	{ \\r
	36	0x58eb6a19, 0x3699, 0x4c68, { 0xa8, 0x36, 0xda, 0xcd, 0x8e, 0xdc, 0xad, 0x4a } \\r
	37	}\r
	38	\r
41be0da5 JF	39	//\r
	40	// The MP data for switch BSP\r
	41	//\r
	42	#define CPU_SWITCH_STATE_IDLE 0\r
	43	#define CPU_SWITCH_STATE_STORED 1\r
	44	#define CPU_SWITCH_STATE_LOADED 2\r
	45	\r
	46	//\r
	47	// CPU exchange information for switch BSP\r
	48	//\r
	49	typedef struct {\r
	50	UINT8 State; // offset 0\r
	51	UINTN StackPointer; // offset 4 / 8\r
	52	IA32_DESCRIPTOR Gdtr; // offset 8 / 16\r
	53	IA32_DESCRIPTOR Idtr; // offset 14 / 26\r
	54	} CPU_EXCHANGE_ROLE_INFO;\r
	55	\r
9ebcf0f4 JF	56	//\r
	57	// AP loop state when APs are in idle state\r
	58	// It's value is the same with PcdCpuApLoopMode\r
	59	//\r
	60	typedef enum {\r
	61	ApInHltLoop = 1,\r
	62	ApInMwaitLoop = 2,\r
	63	ApInRunLoop = 3\r
	64	} AP_LOOP_MODE;\r
	65	\r
e59f8f6b JF	66	//\r
	67	// AP initialization state during APs wakeup\r
	68	//\r
	69	typedef enum {\r
	70	ApInitConfig = 1,\r
	71	ApInitReconfig = 2,\r
	72	ApInitDone = 3\r
	73	} AP_INIT_STATE;\r
	74	\r
03a1a925 JF	75	//\r
	76	// AP state\r
	77	//\r
2a5997f8 ED	78	// The state transitions for an AP when it process a procedure are:\r
	79	// Idle ----> Ready ----> Busy ----> Idle\r
	80	// [BSP] [AP] [AP]\r
	81	//\r
03a1a925 JF	82	typedef enum {\r
	83	CpuStateIdle,\r
	84	CpuStateReady,\r
	85	CpuStateBusy,\r
e048ce88	86	CpuStateFinished,\r
03a1a925 JF	87	CpuStateDisabled\r
	88	} CPU_STATE;\r
	89	\r
68cb9330 JF	90	//\r
	91	// CPU volatile registers around INIT-SIPI-SIPI\r
	92	//\r
	93	typedef struct {\r
	94	UINTN Cr0;\r
	95	UINTN Cr3;\r
	96	UINTN Cr4;\r
	97	UINTN Dr0;\r
	98	UINTN Dr1;\r
	99	UINTN Dr2;\r
	100	UINTN Dr3;\r
	101	UINTN Dr6;\r
	102	UINTN Dr7;\r
e9415e48 JW	103	IA32_DESCRIPTOR Gdtr;\r
	104	IA32_DESCRIPTOR Idtr;\r
	105	UINT16 Tr;\r
68cb9330 JF	106	} CPU_VOLATILE_REGISTERS;\r
68cb9330 JF	107	\r
e59f8f6b JF	108	//\r
	109	// AP related data\r
	110	//\r
	111	typedef struct {\r
	112	SPIN_LOCK ApLock;\r
	113	volatile UINT32 *StartupApSignal;\r
	114	volatile UINTN ApFunction;\r
	115	volatile UINTN ApFunctionArgument;\r
e59f8f6b	116	BOOLEAN CpuHealthy;\r
03a1a925	117	volatile CPU_STATE State;\r
68cb9330	118	CPU_VOLATILE_REGISTERS VolatileRegisters;\r
e59f8f6b JF	119	BOOLEAN Waiting;\r
	120	BOOLEAN *Finished;\r
	121	UINT64 ExpectedTime;\r
	122	UINT64 CurrentTime;\r
	123	UINT64 TotalTime;\r
	124	EFI_EVENT WaitEvent;\r
999463c8 HW	125	UINT32 ProcessorSignature;\r
999463c8 HW	126	UINT8 PlatformId;\r
e59f8f6b JF	127	} CPU_AP_DATA;\r
	128	\r
	129	//\r
	130	// Basic CPU information saved in Guided HOB.\r
	131	// Because the contents will be shard between PEI and DXE,\r
	132	// we need to make sure the each fields offset same in different\r
	133	// architecture.\r
	134	//\r
dd3fa0cd	135	#pragma pack (1)\r
e59f8f6b JF	136	typedef struct {\r
	137	UINT32 InitialApicId;\r
	138	UINT32 ApicId;\r
	139	UINT32 Health;\r
dd3fa0cd	140	UINT64 ApTopOfStack;\r
e59f8f6b	141	} CPU_INFO_IN_HOB;\r
dd3fa0cd	142	#pragma pack ()\r
e59f8f6b	143	\r
f7f85d83 JF	144	//\r
	145	// AP reset code information including code address and size,\r
	146	// this structure will be shared be C code and assembly code.\r
	147	// It is natural aligned by design.\r
	148	//\r
	149	typedef struct {\r
	150	UINT8 *RendezvousFunnelAddress;\r
	151	UINTN ModeEntryOffset;\r
	152	UINTN RendezvousFunnelSize;\r
	153	UINT8 *RelocateApLoopFuncAddress;\r
	154	UINTN RelocateApLoopFuncSize;\r
f32bfe6d	155	UINTN ModeTransitionOffset;\r
f7f85d83	156	} MP_ASSEMBLY_ADDRESS_MAP;\r
3e8ad6bd	157	\r
e59f8f6b JF	158	typedef struct _CPU_MP_DATA CPU_MP_DATA;\r
e59f8f6b JF	159	\r
d94e5f67 JF	160	#pragma pack(1)\r
	161	\r
	162	//\r
	163	// MP CPU exchange information for AP reset code\r
	164	// This structure is required to be packed because fixed field offsets\r
	165	// into this structure are used in assembly code in this module\r
	166	//\r
	167	typedef struct {\r
	168	UINTN Lock;\r
	169	UINTN StackStart;\r
	170	UINTN StackSize;\r
	171	UINTN CFunction;\r
	172	IA32_DESCRIPTOR GdtrProfile;\r
	173	IA32_DESCRIPTOR IdtrProfile;\r
	174	UINTN BufferStart;\r
	175	UINTN ModeOffset;\r
37676b9f	176	UINTN ApIndex;\r
d94e5f67 JF	177	UINTN CodeSegment;\r
d94e5f67 JF	178	UINTN DataSegment;\r
5c66d125	179	UINTN EnableExecuteDisable;\r
d94e5f67	180	UINTN Cr3;\r
46d4b885 JF	181	UINTN InitFlag;\r
46d4b885 JF	182	CPU_INFO_IN_HOB *CpuInfo;\r
0594ec41	183	UINTN NumApsExecuting;\r
e59f8f6b	184	CPU_MP_DATA *CpuMpData;\r
3b2928b4	185	UINTN InitializeFloatingPointUnitsAddress;\r
f32bfe6d JW	186	UINT32 ModeTransitionMemory;\r
	187	UINT16 ModeTransitionSegment;\r
	188	UINT32 ModeHighMemory;\r
	189	UINT16 ModeHighSegment;\r
09f69a87 RN	190	//\r
	191	// Enable5LevelPaging indicates whether 5-level paging is enabled in long mode.\r
	192	//\r
	193	BOOLEAN Enable5LevelPaging;\r
d94e5f67 JF	194	} MP_CPU_EXCHANGE_INFO;\r
	195	\r
	196	#pragma pack()\r
e59f8f6b JF	197	\r
	198	//\r
	199	// CPU MP Data save in memory\r
	200	//\r
	201	struct _CPU_MP_DATA {\r
	202	UINT64 CpuInfoInHob;\r
	203	UINT32 CpuCount;\r
	204	UINT32 BspNumber;\r
	205	//\r
	206	// The above fields data will be passed from PEI to DXE\r
	207	// Please make sure the fields offset same in the different\r
	208	// architecture.\r
	209	//\r
	210	SPIN_LOCK MpLock;\r
	211	UINTN Buffer;\r
	212	UINTN CpuApStackSize;\r
	213	MP_ASSEMBLY_ADDRESS_MAP AddressMap;\r
	214	UINTN WakeupBuffer;\r
66833b2a	215	UINTN WakeupBufferHigh;\r
e59f8f6b JF	216	UINTN BackupBuffer;\r
e59f8f6b JF	217	UINTN BackupBufferSize;\r
e59f8f6b	218	\r
e59f8f6b	219	volatile UINT32 FinishedCount;\r
2da3e96c	220	UINT32 RunningCount;\r
e59f8f6b JF	221	BOOLEAN SingleThread;\r
	222	EFI_AP_PROCEDURE Procedure;\r
	223	VOID *ProcArguments;\r
	224	BOOLEAN *Finished;\r
	225	UINT64 ExpectedTime;\r
	226	UINT64 CurrentTime;\r
	227	UINT64 TotalTime;\r
	228	EFI_EVENT WaitEvent;\r
	229	UINTN **FailedCpuList;\r
	230	\r
	231	AP_INIT_STATE InitFlag;\r
41be0da5	232	BOOLEAN SwitchBspFlag;\r
b3775af2	233	UINTN NewBspNumber;\r
41be0da5 JF	234	CPU_EXCHANGE_ROLE_INFO BSPInfo;\r
41be0da5 JF	235	CPU_EXCHANGE_ROLE_INFO APInfo;\r
e59f8f6b JF	236	MTRR_SETTINGS MtrrTable;\r
	237	UINT8 ApLoopMode;\r
	238	UINT8 ApTargetCState;\r
	239	UINT16 PmCodeSegment;\r
	240	CPU_AP_DATA *CpuData;\r
	241	volatile MP_CPU_EXCHANGE_INFO *MpCpuExchangeInfo;\r
ffab2442 JF	242	\r
	243	UINT32 CurrentTimerCount;\r
	244	UINTN DivideValue;\r
	245	UINT8 Vector;\r
	246	BOOLEAN PeriodicMode;\r
	247	BOOLEAN TimerInterruptState;\r
1e3f7a37 ED	248	UINT64 MicrocodePatchAddress;\r
1e3f7a37 ED	249	UINT64 MicrocodePatchRegionSize;\r
2a089134 ED	250	\r
	251	UINT32 ProcessorSignature;\r
	252	UINT32 ProcessorFlags;\r
	253	UINT64 MicrocodeDataAddress;\r
	254	UINT32 MicrocodeRevision;\r
58942277 ED	255	\r
	256	//\r
	257	// Whether need to use Init-Sipi-Sipi to wake up the APs.\r
	258	// Two cases need to set this value to TRUE. One is in HLT\r
	259	// loop mode, the other is resume from S3 which loop mode\r
e23d9c3e	260	// will be hardcode change to HLT mode by PiSmmCpuDxeSmm\r
58942277 ED	261	// driver.\r
	262	//\r
	263	BOOLEAN WakeUpByInitSipiSipi;\r
e59f8f6b	264	};\r
93ca4c0f JF	265	\r
	266	extern EFI_GUID mCpuInitMpLibHobGuid;\r
	267	\r
76157021 JF	268	/**\r
	269	Assembly code to place AP into safe loop mode.\r
	270	\r
	271	Place AP into targeted C-State if MONITOR is supported, otherwise\r
	272	place AP into hlt state.\r
	273	Place AP in protected mode if the current is long mode. Due to AP maybe\r
	274	wakeup by some hardware event. It could avoid accessing page table that\r
	275	may not available during booting to OS.\r
	276	\r
	277	@param[in] MwaitSupport TRUE indicates MONITOR is supported.\r
	278	FALSE indicates MONITOR is not supported.\r
	279	@param[in] ApTargetCState Target C-State value.\r
	280	@param[in] PmCodeSegment Protected mode code segment value.\r
	281	**/\r
	282	typedef\r
	283	VOID\r
	284	(EFIAPI * ASM_RELOCATE_AP_LOOP) (\r
	285	IN BOOLEAN MwaitSupport,\r
	286	IN UINTN ApTargetCState,\r
bf2786dc	287	IN UINTN PmCodeSegment,\r
9f91cb01 JF	288	IN UINTN TopOfApStack,\r
9f91cb01 JF	289	IN UINTN NumberToFinish\r
76157021	290	);\r
f7f85d83 JF	291	\r
	292	/**\r
	293	Assembly code to get starting address and size of the rendezvous entry for APs.\r
	294	Information for fixing a jump instruction in the code is also returned.\r
	295	\r
	296	@param[out] AddressMap Output buffer for address map information.\r
	297	**/\r
	298	VOID\r
	299	EFIAPI\r
	300	AsmGetAddressMap (\r
	301	OUT MP_ASSEMBLY_ADDRESS_MAP *AddressMap\r
	302	);\r
	303	\r
41be0da5 JF	304	/**\r
	305	This function is called by both the BSP and the AP which is to become the BSP to\r
	306	Exchange execution context including stack between them. After return from this\r
	307	function, the BSP becomes AP and the AP becomes the BSP.\r
	308	\r
	309	@param[in] MyInfo Pointer to buffer holding the exchanging information for the executing processor.\r
	310	@param[in] OthersInfo Pointer to buffer holding the exchanging information for the peer.\r
	311	\r
	312	**/\r
	313	VOID\r
	314	EFIAPI\r
	315	AsmExchangeRole (\r
	316	IN CPU_EXCHANGE_ROLE_INFO *MyInfo,\r
	317	IN CPU_EXCHANGE_ROLE_INFO *OthersInfo\r
	318	);\r
	319	\r
93ca4c0f JF	320	/**\r
	321	Get the pointer to CPU MP Data structure.\r
	322	\r
	323	@return The pointer to CPU MP Data structure.\r
	324	**/\r
	325	CPU_MP_DATA *\r
	326	GetCpuMpData (\r
	327	VOID\r
	328	);\r
	329	\r
	330	/**\r
	331	Save the pointer to CPU MP Data structure.\r
	332	\r
	333	@param[in] CpuMpData The pointer to CPU MP Data structure will be saved.\r
	334	**/\r
	335	VOID\r
	336	SaveCpuMpData (\r
	337	IN CPU_MP_DATA *CpuMpData\r
	338	);\r
	339	\r
ed66e0e3 JF	340	\r
ed66e0e3 JF	341	/**\r
a6b3d753	342	Get available system memory below 1MB by specified size.\r
ed66e0e3	343	\r
a6b3d753 SZ	344	@param[in] WakeupBufferSize Wakeup buffer size required\r
	345	\r
	346	@retval other Return wakeup buffer address below 1MB.\r
	347	@retval -1 Cannot find free memory below 1MB.\r
ed66e0e3	348	**/\r
a6b3d753 SZ	349	UINTN\r
	350	GetWakeupBuffer (\r
	351	IN UINTN WakeupBufferSize\r
ed66e0e3 JF	352	);\r
ed66e0e3 JF	353	\r
f32bfe6d JW	354	/**\r
	355	Get available EfiBootServicesCode memory below 4GB by specified size.\r
	356	\r
	357	This buffer is required to safely transfer AP from real address mode to\r
	358	protected mode or long mode, due to the fact that the buffer returned by\r
	359	GetWakeupBuffer() may be marked as non-executable.\r
	360	\r
	361	@param[in] BufferSize Wakeup transition buffer size.\r
	362	\r
	363	@retval other Return wakeup transition buffer address below 4GB.\r
	364	@retval 0 Cannot find free memory below 4GB.\r
	365	**/\r
	366	UINTN\r
	367	GetModeTransitionBuffer (\r
	368	IN UINTN BufferSize\r
	369	);\r
	370	\r
96f5920d JF	371	/**\r
	372	This function will be called by BSP to wakeup AP.\r
	373	\r
	374	@param[in] CpuMpData Pointer to CPU MP Data\r
	375	@param[in] Broadcast TRUE: Send broadcast IPI to all APs\r
	376	FALSE: Send IPI to AP by ApicId\r
	377	@param[in] ProcessorNumber The handle number of specified processor\r
	378	@param[in] Procedure The function to be invoked by AP\r
	379	@param[in] ProcedureArgument The argument to be passed into AP function\r
cf4e79e4	380	@param[in] WakeUpDisabledAps Whether need to wake up disabled APs in broadcast mode.\r
96f5920d JF	381	**/\r
	382	VOID\r
	383	WakeUpAP (\r
	384	IN CPU_MP_DATA *CpuMpData,\r
	385	IN BOOLEAN Broadcast,\r
	386	IN UINTN ProcessorNumber,\r
	387	IN EFI_AP_PROCEDURE Procedure, OPTIONAL\r
cf4e79e4 ED	388	IN VOID *ProcedureArgument, OPTIONAL\r
cf4e79e4 ED	389	IN BOOLEAN WakeUpDisabledAps OPTIONAL\r
96f5920d JF	390	);\r
96f5920d JF	391	\r
93ca4c0f JF	392	/**\r
	393	Initialize global data for MP support.\r
	394	\r
	395	@param[in] CpuMpData The pointer to CPU MP Data structure.\r
	396	**/\r
	397	VOID\r
	398	InitMpGlobalData (\r
	399	IN CPU_MP_DATA *CpuMpData\r
	400	);\r
	401	\r
86efe976 JF	402	/**\r
	403	Worker function to execute a caller provided function on all enabled APs.\r
	404	\r
	405	@param[in] Procedure A pointer to the function to be run on\r
	406	enabled APs of the system.\r
	407	@param[in] SingleThread If TRUE, then all the enabled APs execute\r
	408	the function specified by Procedure one by\r
	409	one, in ascending order of processor handle\r
	410	number. If FALSE, then all the enabled APs\r
	411	execute the function specified by Procedure\r
	412	simultaneously.\r
ee0c39fa	413	@param[in] ExcludeBsp Whether let BSP also trig this task.\r
86efe976 JF	414	@param[in] WaitEvent The event created by the caller with CreateEvent()\r
86efe976 JF	415	service.\r
367284e7	416	@param[in] TimeoutInMicroseconds Indicates the time limit in microseconds for\r
86efe976 JF	417	APs to return from Procedure, either for\r
	418	blocking or non-blocking mode.\r
	419	@param[in] ProcedureArgument The parameter passed into Procedure for\r
	420	all APs.\r
	421	@param[out] FailedCpuList If all APs finish successfully, then its\r
	422	content is set to NULL. If not all APs\r
	423	finish before timeout expires, then its\r
	424	content is set to address of the buffer\r
	425	holding handle numbers of the failed APs.\r
	426	\r
	427	@retval EFI_SUCCESS In blocking mode, all APs have finished before\r
	428	the timeout expired.\r
	429	@retval EFI_SUCCESS In non-blocking mode, function has been dispatched\r
	430	to all enabled APs.\r
	431	@retval others Failed to Startup all APs.\r
	432	\r
	433	**/\r
	434	EFI_STATUS\r
ee0c39fa	435	StartupAllCPUsWorker (\r
86efe976 JF	436	IN EFI_AP_PROCEDURE Procedure,\r
86efe976 JF	437	IN BOOLEAN SingleThread,\r
ee0c39fa	438	IN BOOLEAN ExcludeBsp,\r
86efe976 JF	439	IN EFI_EVENT WaitEvent OPTIONAL,\r
	440	IN UINTN TimeoutInMicroseconds,\r
	441	IN VOID *ProcedureArgument OPTIONAL,\r
	442	OUT UINTN **FailedCpuList OPTIONAL\r
	443	);\r
	444	\r
20ae5774 JF	445	/**\r
	446	Worker function to let the caller get one enabled AP to execute a caller-provided\r
	447	function.\r
	448	\r
	449	@param[in] Procedure A pointer to the function to be run on\r
	450	enabled APs of the system.\r
	451	@param[in] ProcessorNumber The handle number of the AP.\r
	452	@param[in] WaitEvent The event created by the caller with CreateEvent()\r
	453	service.\r
367284e7	454	@param[in] TimeoutInMicroseconds Indicates the time limit in microseconds for\r
20ae5774 JF	455	APs to return from Procedure, either for\r
	456	blocking or non-blocking mode.\r
	457	@param[in] ProcedureArgument The parameter passed into Procedure for\r
	458	all APs.\r
	459	@param[out] Finished If AP returns from Procedure before the\r
	460	timeout expires, its content is set to TRUE.\r
	461	Otherwise, the value is set to FALSE.\r
	462	\r
	463	@retval EFI_SUCCESS In blocking mode, specified AP finished before\r
	464	the timeout expires.\r
	465	@retval others Failed to Startup AP.\r
	466	\r
	467	**/\r
	468	EFI_STATUS\r
	469	StartupThisAPWorker (\r
	470	IN EFI_AP_PROCEDURE Procedure,\r
	471	IN UINTN ProcessorNumber,\r
	472	IN EFI_EVENT WaitEvent OPTIONAL,\r
	473	IN UINTN TimeoutInMicroseconds,\r
	474	IN VOID *ProcedureArgument OPTIONAL,\r
	475	OUT BOOLEAN *Finished OPTIONAL\r
	476	);\r
	477	\r
41be0da5 JF	478	/**\r
	479	Worker function to switch the requested AP to be the BSP from that point onward.\r
	480	\r
	481	@param[in] ProcessorNumber The handle number of AP that is to become the new BSP.\r
	482	@param[in] EnableOldBSP If TRUE, then the old BSP will be listed as an\r
	483	enabled AP. Otherwise, it will be disabled.\r
	484	\r
	485	@retval EFI_SUCCESS BSP successfully switched.\r
7367cc6c	486	@retval others Failed to switch BSP.\r
41be0da5 JF	487	\r
	488	**/\r
	489	EFI_STATUS\r
	490	SwitchBSPWorker (\r
	491	IN UINTN ProcessorNumber,\r
	492	IN BOOLEAN EnableOldBSP\r
	493	);\r
	494	\r
e37109bc JF	495	/**\r
	496	Worker function to let the caller enable or disable an AP from this point onward.\r
	497	This service may only be called from the BSP.\r
	498	\r
	499	@param[in] ProcessorNumber The handle number of AP.\r
	500	@param[in] EnableAP Specifies the new state for the processor for\r
	501	enabled, FALSE for disabled.\r
	502	@param[in] HealthFlag If not NULL, a pointer to a value that specifies\r
	503	the new health status of the AP.\r
	504	\r
	505	@retval EFI_SUCCESS The specified AP was enabled or disabled successfully.\r
	506	@retval others Failed to Enable/Disable AP.\r
	507	\r
	508	**/\r
	509	EFI_STATUS\r
	510	EnableDisableApWorker (\r
	511	IN UINTN ProcessorNumber,\r
	512	IN BOOLEAN EnableAP,\r
	513	IN UINT32 *HealthFlag OPTIONAL\r
	514	);\r
	515	\r
93ca4c0f JF	516	/**\r
	517	Get pointer to CPU MP Data structure from GUIDed HOB.\r
	518	\r
	519	@return The pointer to CPU MP Data structure.\r
	520	**/\r
	521	CPU_MP_DATA *\r
	522	GetCpuMpDataFromGuidedHob (\r
	523	VOID\r
	524	);\r
08085f08 JF	525	\r
	526	/** Checks status of specified AP.\r
	527	\r
	528	This function checks whether the specified AP has finished the task assigned\r
	529	by StartupThisAP(), and whether timeout expires.\r
	530	\r
	531	@param[in] ProcessorNumber The handle number of processor.\r
	532	\r
	533	@retval EFI_SUCCESS Specified AP has finished task assigned by StartupThisAPs().\r
	534	@retval EFI_TIMEOUT The timeout expires.\r
	535	@retval EFI_NOT_READY Specified AP has not finished task and timeout has not expired.\r
	536	**/\r
	537	EFI_STATUS\r
	538	CheckThisAP (\r
	539	IN UINTN ProcessorNumber\r
	540	);\r
	541	\r
	542	/**\r
	543	Checks status of all APs.\r
	544	\r
	545	This function checks whether all APs have finished task assigned by StartupAllAPs(),\r
	546	and whether timeout expires.\r
	547	\r
	548	@retval EFI_SUCCESS All APs have finished task assigned by StartupAllAPs().\r
	549	@retval EFI_TIMEOUT The timeout expires.\r
	550	@retval EFI_NOT_READY APs have not finished task and timeout has not expired.\r
	551	**/\r
	552	EFI_STATUS\r
	553	CheckAllAPs (\r
	554	VOID\r
	555	);\r
	556	\r
	557	/**\r
	558	Checks APs status and updates APs status if needed.\r
	559	\r
	560	**/\r
	561	VOID\r
	562	CheckAndUpdateApsStatus (\r
	563	VOID\r
	564	);\r
	565	\r
94f63c76 JF	566	/**\r
	567	Detect whether specified processor can find matching microcode patch and load it.\r
	568	\r
2a089134 ED	569	@param[in] CpuMpData The pointer to CPU MP Data structure.\r
2a089134 ED	570	@param[in] IsBspCallIn Indicate whether the caller is BSP or not.\r
94f63c76 JF	571	**/\r
	572	VOID\r
	573	MicrocodeDetect (\r
2a089134 ED	574	IN CPU_MP_DATA *CpuMpData,\r
2a089134 ED	575	IN BOOLEAN IsBspCallIn\r
94f63c76 JF	576	);\r
94f63c76 JF	577	\r
4d3314f6 JF	578	/**\r
	579	Detect whether Mwait-monitor feature is supported.\r
	580	\r
	581	@retval TRUE Mwait-monitor feature is supported.\r
	582	@retval FALSE Mwait-monitor feature is not supported.\r
	583	**/\r
	584	BOOLEAN\r
	585	IsMwaitSupport (\r
	586	VOID\r
	587	);\r
	588	\r
43c9fdcc JF	589	/**\r
	590	Enable Debug Agent to support source debugging on AP function.\r
	591	\r
	592	**/\r
	593	VOID\r
	594	EnableDebugAgent (\r
	595	VOID\r
	596	);\r
	597	\r
3e8ad6bd JF	598	#endif\r
3e8ad6bd JF	599	\r