#include <Ppi/SecPlatformInformation.h>\r
#include <Ppi/SecPlatformInformation2.h>\r
#include <Ppi/EndOfPeiPhase.h>\r
-#include <Ppi/VectorHandoffInfo.h>\r
-\r
-#include <Register/Cpuid.h>\r
-#include <Register/LocalApic.h>\r
-#include <Register/Msr.h>\r
\r
#include <Library/BaseLib.h>\r
-#include <Library/BaseMemoryLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/LocalApicLib.h>\r
-#include <Library/MtrrLib.h>\r
-#include <Library/PcdLib.h>\r
#include <Library/PeimEntryPoint.h>\r
#include <Library/PeiServicesLib.h>\r
#include <Library/ReportStatusCodeLib.h>\r
-#include <Library/SynchronizationLib.h>\r
-#include <Library/TimerLib.h>\r
-#include <Library/UefiCpuLib.h>\r
-#include <Library/CpuLib.h>\r
#include <Library/CpuExceptionHandlerLib.h>\r
+#include <Library/MpInitLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
\r
-#include "Microcode.h"\r
-\r
-//\r
-// AP state\r
-//\r
-typedef enum {\r
- CpuStateIdle,\r
- CpuStateBusy,\r
- CpuStateDisabled\r
-} CPU_STATE;\r
-\r
-#define WAKEUP_AP_SIGNAL SIGNATURE_32 ('S', 'T', 'A', 'P')\r
-\r
-typedef enum {\r
- ApInHltLoop = 1,\r
- ApInMwaitLoop = 2,\r
- ApInRunLoop = 3\r
-} AP_LOOP_MODE;\r
-\r
-//\r
-// AP reset code information\r
-//\r
-typedef struct {\r
- UINT8 *RendezvousFunnelAddress;\r
- UINTN ModeEntryOffset;\r
- UINTN RendezvousFunnelSize;\r
-} MP_ASSEMBLY_ADDRESS_MAP;\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
-typedef struct _PEI_CPU_MP_DATA PEI_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 NumApsExecuting;\r
- UINTN CodeSegment;\r
- UINTN DataSegment;\r
- UINTN Cr3;\r
- PEI_CPU_MP_DATA *PeiCpuMpData;\r
-} MP_CPU_EXCHANGE_INFO;\r
-\r
-#pragma pack()\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
-} CPU_VOLATILE_REGISTERS;\r
-\r
-typedef struct {\r
- volatile UINT32 *StartupApSignal;\r
- UINT32 ApicId;\r
- EFI_HEALTH_FLAGS Health;\r
- CPU_STATE State;\r
- BOOLEAN CpuHealthy;\r
- CPU_VOLATILE_REGISTERS VolatileRegisters;\r
-} PEI_CPU_DATA;\r
-\r
-//\r
-// PEI CPU MP Data save in memory\r
-//\r
-struct _PEI_CPU_MP_DATA {\r
- SPIN_LOCK MpLock;\r
- UINT32 CpuCount;\r
- UINT32 BspNumber;\r
- UINTN Buffer;\r
- UINTN CpuApStackSize;\r
- MP_ASSEMBLY_ADDRESS_MAP AddressMap;\r
- UINTN WakeupBuffer;\r
- UINTN BackupBuffer;\r
- UINTN BackupBufferSize;\r
- UINTN ApFunction;\r
- UINTN ApFunctionArgument;\r
- volatile UINT32 FinishedCount;\r
- BOOLEAN EndOfPeiFlag;\r
- BOOLEAN InitFlag;\r
- BOOLEAN X2ApicEnable;\r
- CPU_EXCHANGE_ROLE_INFO BSPInfo;\r
- CPU_EXCHANGE_ROLE_INFO APInfo;\r
- MTRR_SETTINGS MtrrTable;\r
- UINT8 ApLoopMode;\r
- UINT8 ApTargetCState;\r
- PEI_CPU_DATA *CpuData;\r
- volatile MP_CPU_EXCHANGE_INFO *MpCpuExchangeInfo;\r
-};\r
extern EFI_PEI_PPI_DESCRIPTOR mPeiCpuMpPpiDesc;\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 AddressMap Output buffer for address map information.\r
+ This service retrieves the number of logical processor in the platform\r
+ and the number of those logical processors that are enabled on this boot.\r
+ This service may only be called from the BSP.\r
+\r
+ This function is used to retrieve the following information:\r
+ - The number of logical processors that are present in the system.\r
+ - The number of enabled logical processors in the system at the instant\r
+ this call is made.\r
+\r
+ Because MP Service Ppi provides services to enable and disable processors\r
+ dynamically, the number of enabled logical processors may vary during the\r
+ course of a boot session.\r
+\r
+ If this service is called from an AP, then EFI_DEVICE_ERROR is returned.\r
+ If NumberOfProcessors or NumberOfEnabledProcessors is NULL, then\r
+ EFI_INVALID_PARAMETER is returned. Otherwise, the total number of processors\r
+ is returned in NumberOfProcessors, the number of currently enabled processor\r
+ is returned in NumberOfEnabledProcessors, and EFI_SUCCESS is returned.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This Pointer to this instance of the PPI.\r
+ @param[out] NumberOfProcessors Pointer to the total number of logical processors in\r
+ the system, including the BSP and disabled APs.\r
+ @param[out] NumberOfEnabledProcessors\r
+ Number of processors in the system that are enabled.\r
+\r
+ @retval EFI_SUCCESS The number of logical processors and enabled\r
+ logical processors was retrieved.\r
+ @retval EFI_DEVICE_ERROR The calling processor is an AP.\r
+ @retval EFI_INVALID_PARAMETER NumberOfProcessors is NULL.\r
+ NumberOfEnabledProcessors is NULL.\r
**/\r
-VOID\r
+EFI_STATUS\r
EFIAPI\r
-AsmGetAddressMap (\r
- OUT MP_ASSEMBLY_ADDRESS_MAP *AddressMap\r
+PeiGetNumberOfProcessors (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ OUT UINTN *NumberOfProcessors,\r
+ OUT UINTN *NumberOfEnabledProcessors\r
);\r
\r
/**\r
- Assembly code to load GDT table and update segment accordingly.\r
-\r
- @param Gdtr Pointer to GDT descriptor\r
+ Gets detailed MP-related information on the requested processor at the\r
+ instant this call is made. This service may only be called from the BSP.\r
+\r
+ This service retrieves detailed MP-related information about any processor\r
+ on the platform. Note the following:\r
+ - The processor information may change during the course of a boot session.\r
+ - The information presented here is entirely MP related.\r
+\r
+ Information regarding the number of caches and their sizes, frequency of operation,\r
+ slot numbers is all considered platform-related information and is not provided\r
+ by this service.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This Pointer to this instance of the PPI.\r
+ @param[in] ProcessorNumber Pointer to the total number of logical processors in\r
+ the system, including the BSP and disabled APs.\r
+ @param[out] ProcessorInfoBuffer Number of processors in the system that are enabled.\r
+\r
+ @retval EFI_SUCCESS Processor information was returned.\r
+ @retval EFI_DEVICE_ERROR The calling processor is an AP.\r
+ @retval EFI_INVALID_PARAMETER ProcessorInfoBuffer is NULL.\r
+ @retval EFI_NOT_FOUND The processor with the handle specified by\r
+ ProcessorNumber does not exist in the platform.\r
**/\r
-VOID\r
+EFI_STATUS\r
EFIAPI\r
-AsmInitializeGdt (\r
- IN IA32_DESCRIPTOR *Gdtr\r
+PeiGetProcessorInfo (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ IN UINTN ProcessorNumber,\r
+ OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer\r
);\r
\r
/**\r
- Get available system memory below 1MB by specified size.\r
-\r
- @param PeiCpuMpData Pointer to PEI CPU MP Data\r
+ This service executes a caller provided function on all enabled APs. APs can\r
+ run either simultaneously or one at a time in sequence. This service supports\r
+ both blocking requests only. This service may only\r
+ be called from the BSP.\r
+\r
+ This function is used to dispatch all the enabled APs to the function specified\r
+ by Procedure. If any enabled AP is busy, then EFI_NOT_READY is returned\r
+ immediately and Procedure is not started on any AP.\r
+\r
+ If SingleThread is TRUE, all the enabled APs execute the function specified by\r
+ Procedure one by one, in ascending order of processor handle number. Otherwise,\r
+ all the enabled APs execute the function specified by Procedure simultaneously.\r
+\r
+ If the timeout specified by TimeoutInMicroSeconds expires before all APs return\r
+ from Procedure, then Procedure on the failed APs is terminated. All enabled APs\r
+ are always available for further calls to EFI_PEI_MP_SERVICES_PPI.StartupAllAPs()\r
+ and EFI_PEI_MP_SERVICES_PPI.StartupThisAP(). If FailedCpuList is not NULL, its\r
+ content points to the list of processor handle numbers in which Procedure was\r
+ terminated.\r
+\r
+ Note: It is the responsibility of the consumer of the EFI_PEI_MP_SERVICES_PPI.StartupAllAPs()\r
+ to make sure that the nature of the code that is executed on the BSP and the\r
+ dispatched APs is well controlled. The MP Services Ppi does not guarantee\r
+ that the Procedure function is MP-safe. Hence, the tasks that can be run in\r
+ parallel are limited to certain independent tasks and well-controlled exclusive\r
+ code. PEI services and Ppis may not be called by APs unless otherwise\r
+ specified.\r
+\r
+ In blocking execution mode, BSP waits until all APs finish or\r
+ TimeoutInMicroSeconds expires.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This A pointer to the EFI_PEI_MP_SERVICES_PPI instance.\r
+ @param[in] Procedure A pointer to the function to be run on enabled APs of\r
+ the system.\r
+ @param[in] SingleThread If TRUE, then all the enabled APs execute the function\r
+ specified by Procedure one by one, in ascending order\r
+ of processor handle number. If FALSE, then all the\r
+ enabled APs execute the function specified by Procedure\r
+ simultaneously.\r
+ @param[in] TimeoutInMicroSeconds\r
+ Indicates the time limit in microseconds for APs to\r
+ return from Procedure, for blocking mode only. Zero\r
+ means infinity. If the timeout expires before all APs\r
+ return from Procedure, then Procedure on the failed APs\r
+ is terminated. All enabled APs are available for next\r
+ function assigned by EFI_PEI_MP_SERVICES_PPI.StartupAllAPs()\r
+ or EFI_PEI_MP_SERVICES_PPI.StartupThisAP(). If the\r
+ timeout expires in blocking mode, BSP returns\r
+ EFI_TIMEOUT.\r
+ @param[in] ProcedureArgument The parameter passed into Procedure for all APs.\r
+\r
+ @retval EFI_SUCCESS In blocking mode, all APs have finished before the\r
+ timeout expired.\r
+ @retval EFI_DEVICE_ERROR Caller processor is AP.\r
+ @retval EFI_NOT_STARTED No enabled APs exist in the system.\r
+ @retval EFI_NOT_READY Any enabled APs are busy.\r
+ @retval EFI_TIMEOUT In blocking mode, the timeout expired before all\r
+ enabled APs have finished.\r
+ @retval EFI_INVALID_PARAMETER Procedure is NULL.\r
**/\r
-VOID\r
-BackupAndPrepareWakeupBuffer(\r
- IN PEI_CPU_MP_DATA *PeiCpuMpData\r
+EFI_STATUS\r
+EFIAPI\r
+PeiStartupAllAPs (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ IN EFI_AP_PROCEDURE Procedure,\r
+ IN BOOLEAN SingleThread,\r
+ IN UINTN TimeoutInMicroSeconds,\r
+ IN VOID *ProcedureArgument OPTIONAL\r
);\r
\r
/**\r
- Restore wakeup buffer data.\r
-\r
- @param PeiCpuMpData Pointer to PEI CPU MP Data\r
-**/\r
-VOID\r
-RestoreWakeupBuffer(\r
- IN PEI_CPU_MP_DATA *PeiCpuMpData\r
- );\r
-\r
-/**\r
- Notify function on End Of Pei PPI.\r
-\r
- On S3 boot, this function will restore wakeup buffer data.\r
- On normal boot, this function will flag wakeup buffer to be un-used type.\r
-\r
- @param PeiServices The pointer to the PEI Services Table.\r
- @param NotifyDescriptor Address of the notification descriptor data structure.\r
- @param Ppi Address of the PPI that was installed.\r
-\r
- @retval EFI_SUCCESS When everything is OK.\r
-\r
+ This service lets the caller get one enabled AP to execute a caller-provided\r
+ function. The caller can request the BSP to wait for the completion\r
+ of the AP. This service may only be called from the BSP.\r
+\r
+ This function is used to dispatch one enabled AP to the function specified by\r
+ Procedure passing in the argument specified by ProcedureArgument.\r
+ The execution is in blocking mode. The BSP waits until the AP finishes or\r
+ TimeoutInMicroSecondss expires.\r
+\r
+ If the timeout specified by TimeoutInMicroseconds expires before the AP returns\r
+ from Procedure, then execution of Procedure by the AP is terminated. The AP is\r
+ available for subsequent calls to EFI_PEI_MP_SERVICES_PPI.StartupAllAPs() and\r
+ EFI_PEI_MP_SERVICES_PPI.StartupThisAP().\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This A pointer to the EFI_PEI_MP_SERVICES_PPI instance.\r
+ @param[in] Procedure A pointer to the function to be run on enabled APs of\r
+ the system.\r
+ @param[in] ProcessorNumber The handle number of the AP. The range is from 0 to the\r
+ total number of logical processors minus 1. The total\r
+ number of logical processors can be retrieved by\r
+ EFI_PEI_MP_SERVICES_PPI.GetNumberOfProcessors().\r
+ @param[in] TimeoutInMicroseconds\r
+ Indicates the time limit in microseconds for APs to\r
+ return from Procedure, for blocking mode only. Zero\r
+ means infinity. If the timeout expires before all APs\r
+ return from Procedure, then Procedure on the failed APs\r
+ is terminated. All enabled APs are available for next\r
+ function assigned by EFI_PEI_MP_SERVICES_PPI.StartupAllAPs()\r
+ or EFI_PEI_MP_SERVICES_PPI.StartupThisAP(). If the\r
+ timeout expires in blocking mode, BSP returns\r
+ EFI_TIMEOUT.\r
+ @param[in] ProcedureArgument The parameter passed into Procedure for all APs.\r
+\r
+ @retval EFI_SUCCESS In blocking mode, specified AP finished before the\r
+ timeout expires.\r
+ @retval EFI_DEVICE_ERROR The calling processor is an AP.\r
+ @retval EFI_TIMEOUT In blocking mode, the timeout expired before the\r
+ specified AP has finished.\r
+ @retval EFI_NOT_FOUND The processor with the handle specified by\r
+ ProcessorNumber does not exist.\r
+ @retval EFI_INVALID_PARAMETER ProcessorNumber specifies the BSP or disabled AP.\r
+ @retval EFI_INVALID_PARAMETER Procedure is NULL.\r
**/\r
EFI_STATUS\r
EFIAPI\r
-CpuMpEndOfPeiCallback (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
- IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r
- IN VOID *Ppi\r
+PeiStartupThisAP (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ IN EFI_AP_PROCEDURE Procedure,\r
+ IN UINTN ProcessorNumber,\r
+ IN UINTN TimeoutInMicroseconds,\r
+ IN VOID *ProcedureArgument OPTIONAL\r
);\r
\r
/**\r
- This function will be called by BSP to wakeup AP.\r
-\r
- @param PeiCpuMpData Pointer to PEI CPU MP Data\r
- @param Broadcast TRUE: Send broadcast IPI to all APs\r
- FALSE: Send IPI to AP by ApicId\r
- @param ProcessorNumber The handle number of specified processor\r
- @param Procedure The function to be invoked by AP\r
- @param ProcedureArgument The argument to be passed into AP function\r
+ This service switches the requested AP to be the BSP from that point onward.\r
+ This service changes the BSP for all purposes. This call can only be performed\r
+ by the current BSP.\r
+\r
+ This service switches the requested AP to be the BSP from that point onward.\r
+ This service changes the BSP for all purposes. The new BSP can take over the\r
+ execution of the old BSP and continue seamlessly from where the old one left\r
+ off.\r
+\r
+ If the BSP cannot be switched prior to the return from this service, then\r
+ EFI_UNSUPPORTED must be returned.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This A pointer to the EFI_PEI_MP_SERVICES_PPI instance.\r
+ @param[in] ProcessorNumber The handle number of the AP. The range is from 0 to the\r
+ total number of logical processors minus 1. The total\r
+ number of logical processors can be retrieved by\r
+ EFI_PEI_MP_SERVICES_PPI.GetNumberOfProcessors().\r
+ @param[in] EnableOldBSP If TRUE, then the old BSP will be listed as an enabled\r
+ AP. Otherwise, it will be disabled.\r
+\r
+ @retval EFI_SUCCESS BSP successfully switched.\r
+ @retval EFI_UNSUPPORTED Switching the BSP cannot be completed prior to this\r
+ service returning.\r
+ @retval EFI_UNSUPPORTED Switching the BSP is not supported.\r
+ @retval EFI_DEVICE_ERROR The calling processor is an AP.\r
+ @retval EFI_NOT_FOUND The processor with the handle specified by\r
+ ProcessorNumber does not exist.\r
+ @retval EFI_INVALID_PARAMETER ProcessorNumber specifies the current BSP or a disabled\r
+ AP.\r
+ @retval EFI_NOT_READY The specified AP is busy.\r
**/\r
-VOID\r
-WakeUpAP (\r
- IN PEI_CPU_MP_DATA *PeiCpuMpData,\r
- IN BOOLEAN Broadcast,\r
- IN UINTN ProcessorNumber,\r
- IN EFI_AP_PROCEDURE Procedure, OPTIONAL\r
- IN VOID *ProcedureArgument OPTIONAL\r
+EFI_STATUS\r
+EFIAPI\r
+PeiSwitchBSP (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ IN UINTN ProcessorNumber,\r
+ IN BOOLEAN EnableOldBSP\r
);\r
\r
/**\r
- Get CPU MP Data pointer from the Guided HOB.\r
-\r
- @return Pointer to Pointer to PEI CPU MP Data\r
+ This service lets the caller enable or disable an AP from this point onward.\r
+ This service may only be called from the BSP.\r
+\r
+ This service allows the caller enable or disable an AP from this point onward.\r
+ The caller can optionally specify the health status of the AP by Health. If\r
+ an AP is being disabled, then the state of the disabled AP is implementation\r
+ dependent. If an AP is enabled, then the implementation must guarantee that a\r
+ complete initialization sequence is performed on the AP, so the AP is in a state\r
+ that is compatible with an MP operating system.\r
+\r
+ If the enable or disable AP operation cannot be completed prior to the return\r
+ from this service, then EFI_UNSUPPORTED must be returned.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This A pointer to the EFI_PEI_MP_SERVICES_PPI instance.\r
+ @param[in] ProcessorNumber The handle number of the AP. The range is from 0 to the\r
+ total number of logical processors minus 1. The total\r
+ number of logical processors can be retrieved by\r
+ EFI_PEI_MP_SERVICES_PPI.GetNumberOfProcessors().\r
+ @param[in] EnableAP Specifies the new state for the processor for enabled,\r
+ FALSE for disabled.\r
+ @param[in] HealthFlag If not NULL, a pointer to a value that specifies the\r
+ new health status of the AP. This flag corresponds to\r
+ StatusFlag defined in EFI_PEI_MP_SERVICES_PPI.GetProcessorInfo().\r
+ Only the PROCESSOR_HEALTH_STATUS_BIT is used. All other\r
+ bits are ignored. If it is NULL, this parameter is\r
+ ignored.\r
+\r
+ @retval EFI_SUCCESS The specified AP was enabled or disabled successfully.\r
+ @retval EFI_UNSUPPORTED Enabling or disabling an AP cannot be completed prior\r
+ to this service returning.\r
+ @retval EFI_UNSUPPORTED Enabling or disabling an AP is not supported.\r
+ @retval EFI_DEVICE_ERROR The calling processor is an AP.\r
+ @retval EFI_NOT_FOUND Processor with the handle specified by ProcessorNumber\r
+ does not exist.\r
+ @retval EFI_INVALID_PARAMETER ProcessorNumber specifies the BSP.\r
**/\r
-PEI_CPU_MP_DATA *\r
-GetMpHobData (\r
- VOID\r
+EFI_STATUS\r
+EFIAPI\r
+PeiEnableDisableAP (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ IN UINTN ProcessorNumber,\r
+ IN BOOLEAN EnableAP,\r
+ IN UINT32 *HealthFlag OPTIONAL\r
);\r
\r
/**\r
- Find the current Processor number by APIC ID.\r
-\r
- @param PeiCpuMpData Pointer to PEI CPU MP Data\r
- @param ProcessorNumber Return the pocessor number found\r
-\r
- @retval EFI_SUCCESS ProcessorNumber is found and returned.\r
- @retval EFI_NOT_FOUND ProcessorNumber is not found.\r
+ This return the handle number for the calling processor. This service may be\r
+ called from the BSP and APs.\r
+\r
+ This service returns the processor handle number for the calling processor.\r
+ The returned value is in the range from 0 to the total number of logical\r
+ processors minus 1. The total number of logical processors can be retrieved\r
+ with EFI_PEI_MP_SERVICES_PPI.GetNumberOfProcessors(). This service may be\r
+ called from the BSP and APs. If ProcessorNumber is NULL, then EFI_INVALID_PARAMETER\r
+ is returned. Otherwise, the current processors handle number is returned in\r
+ ProcessorNumber, and EFI_SUCCESS is returned.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This A pointer to the EFI_PEI_MP_SERVICES_PPI instance.\r
+ @param[out] ProcessorNumber The handle number of the AP. The range is from 0 to the\r
+ total number of logical processors minus 1. The total\r
+ number of logical processors can be retrieved by\r
+ EFI_PEI_MP_SERVICES_PPI.GetNumberOfProcessors().\r
+\r
+ @retval EFI_SUCCESS The current processor handle number was returned in\r
+ ProcessorNumber.\r
+ @retval EFI_INVALID_PARAMETER ProcessorNumber is NULL.\r
**/\r
EFI_STATUS\r
-GetProcessorNumber (\r
- IN PEI_CPU_MP_DATA *PeiCpuMpData,\r
- OUT UINTN *ProcessorNumber\r
+EFIAPI\r
+PeiWhoAmI (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ OUT UINTN *ProcessorNumber\r
);\r
\r
/**\r
or SEC Platform Information PPI.\r
\r
@param PeiServices Pointer to PEI Services Table\r
- @param PeiCpuMpData Pointer to PEI CPU MP Data\r
\r
**/\r
VOID\r
CollectBistDataFromPpi (\r
- IN CONST EFI_PEI_SERVICES **PeiServices,\r
- IN PEI_CPU_MP_DATA *PeiCpuMpData\r
+ IN CONST EFI_PEI_SERVICES **PeiServices\r
);\r
\r
/**\r
OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2\r
);\r
\r
-/**\r
- Detect whether specified processor can find matching microcode patch and load it.\r
-\r
- @param PeiCpuMpData Pointer to PEI CPU MP Data\r
-**/\r
-VOID\r
-MicrocodeDetect (\r
- IN PEI_CPU_MP_DATA *PeiCpuMpData\r
- );\r
-\r
#endif\r
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