/** @file\r
Common header file for MP Initialize Library.\r
\r
- Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\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
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
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
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
} MP_CPU_EXCHANGE_INFO;\r
\r
#pragma pack()\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 StartCount;\r
volatile UINT32 FinishedCount;\r
- volatile UINT32 RunningCount;\r
+ UINT32 RunningCount;\r
BOOLEAN SingleThread;\r
EFI_AP_PROCEDURE Procedure;\r
VOID *ProcArguments;\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
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] 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 BOOLEAN Broadcast,\r
IN UINTN ProcessorNumber,\r
IN EFI_AP_PROCEDURE Procedure, OPTIONAL\r
- IN VOID *ProcedureArgument OPTIONAL\r
+ IN VOID *ProcedureArgument, OPTIONAL\r
+ IN BOOLEAN WakeUpDisabledAps OPTIONAL\r
);\r
\r
/**\r
enabled AP. Otherwise, it will be disabled.\r
\r
@retval EFI_SUCCESS BSP successfully switched.\r
- @retval others Failed to switch BSP. \r
+ @retval others Failed to switch BSP.\r
\r
**/\r
EFI_STATUS\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] 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 CPU_MP_DATA *CpuMpData,\r
+ IN BOOLEAN IsBspCallIn\r
);\r
\r
/**\r