/** @file | |
The library implements the Extended SAL Library Class for boot service only modules. | |
Copyright (c) 2007 - 2012, Intel Corporation. All rights reserved.<BR> | |
This program and the accompanying materials | |
are licensed and made available under the terms and conditions of the BSD License | |
which accompanies this distribution. The full text of the license may be found at | |
http://opensource.org/licenses/bsd-license.php. | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
**/ | |
#include <PiDxe.h> | |
#include <Protocol/ExtendedSalBootService.h> | |
#include <Protocol/ExtendedSalServiceClasses.h> | |
#include <Library/ExtendedSalLib.h> | |
#include <Library/UefiBootServicesTableLib.h> | |
#include <Library/DebugLib.h> | |
/** | |
Stores the physical plabel of ESAL entrypoint. | |
This assembly function stores the physical plabel of ESAL entrypoint | |
where GetEsalEntryPoint() can easily retrieve. | |
@param EntryPoint Physical address of ESAL entrypoint | |
@param Gp Physical GP of ESAL entrypoint | |
@return r8 = EFI_SAL_SUCCESS | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
SetEsalPhysicalEntryPoint ( | |
IN UINT64 EntryPoint, | |
IN UINT64 Gp | |
); | |
/** | |
Retrieves plabel of ESAL entrypoint. | |
This function retrives plabel of ESAL entrypoint stored by | |
SetEsalPhysicalEntryPoint(). | |
@return r8 = EFI_SAL_SUCCESS | |
r9 = Physical Plabel | |
r10 = Virtual Plabel | |
r11 = PSR | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
GetEsalEntryPoint ( | |
VOID | |
); | |
EXTENDED_SAL_BOOT_SERVICE_PROTOCOL *mEsalBootService = NULL; | |
EFI_PLABEL mPlabel; | |
/** | |
Constructor function to get Extended SAL Boot Service Protocol, and initializes | |
physical plabel of ESAL entrypoint. | |
This function first locates Extended SAL Boot Service Protocol and caches it in global variable. | |
Then it initializes the physical plable of ESAL entrypoint, and stores | |
it where GetEsalEntryPoint() can easily retrieve. | |
@param ImageHandle The firmware allocated handle for the EFI image. | |
@param SystemTable A pointer to the EFI System Table. | |
@retval EFI_SUCCESS Plable of ESAL entrypoint successfully stored. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
DxeExtendedSalLibConstruct ( | |
IN EFI_HANDLE ImageHandle, | |
IN EFI_SYSTEM_TABLE *SystemTable | |
) | |
{ | |
EFI_PLABEL *Plabel; | |
EFI_STATUS Status; | |
// | |
// The protocol contains a function pointer, which is an indirect procedure call. | |
// An indirect procedure call goes through a plabel, and pointer to a function is | |
// a pointer to a plabel. To implement indirect procedure calls that can work in | |
// both physical and virtual mode, two plabels are required (one physical and one | |
// virtual). So lets grap the physical PLABEL for the EsalEntryPoint and store it | |
// away. We cache it in a module global, so we can register the vitrual version. | |
// | |
Status = gBS->LocateProtocol (&gEfiExtendedSalBootServiceProtocolGuid, NULL, (VOID **) &mEsalBootService); | |
ASSERT_EFI_ERROR (Status); | |
Plabel = (EFI_PLABEL *) (UINTN) mEsalBootService->ExtendedSalProc; | |
mPlabel.EntryPoint = Plabel->EntryPoint; | |
mPlabel.GP = Plabel->GP; | |
// | |
// Stores the physical plabel of ESAL entrypoint where GetEsalEntryPoint() can easily retrieve. | |
// | |
SetEsalPhysicalEntryPoint (mPlabel.EntryPoint, mPlabel.GP); | |
return EFI_SUCCESS; | |
} | |
/** | |
Registers function of ESAL class and it's associated global. | |
This function registers function of ESAL class, together with its associated global. | |
It is worker function for RegisterEsalClass(). | |
It is only for boot time. | |
@param FunctionId ID of function to register | |
@param ClassGuidLo GUID of ESAL class, lower 64-bits | |
@param ClassGuidHi GUID of ESAL class, upper 64-bits | |
@param Function Function to register with ClassGuid/FunctionId pair | |
@param ModuleGlobal Module global for the function. | |
@return Status returned by RegisterExtendedSalProc() of Extended SAL Boot Service Protocol | |
**/ | |
EFI_STATUS | |
RegisterEsalFunction ( | |
IN UINT64 FunctionId, | |
IN UINT64 ClassGuidLo, | |
IN UINT64 ClassGuidHi, | |
IN SAL_INTERNAL_EXTENDED_SAL_PROC Function, | |
IN VOID *ModuleGlobal | |
) | |
{ | |
return mEsalBootService->RegisterExtendedSalProc ( | |
mEsalBootService, | |
ClassGuidLo, | |
ClassGuidHi, | |
FunctionId, | |
Function, | |
ModuleGlobal | |
); | |
} | |
/** | |
Registers ESAL Class and it's associated global. | |
This function registers one or more Extended SAL services in a given | |
class along with the associated global context. | |
This function is only available prior to ExitBootServices(). | |
@param ClassGuidLo GUID of function class, lower 64-bits | |
@param ClassGuidHi GUID of function class, upper 64-bits | |
@param ModuleGlobal Module global for the class. | |
@param ... List of Function/FunctionId pairs, ended by NULL | |
@retval EFI_SUCCESS The Extended SAL services were registered. | |
@retval EFI_UNSUPPORTED This function was called after ExitBootServices(). | |
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to register one or more of the specified services. | |
@retval Other ClassGuid could not be installed onto a new handle. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
RegisterEsalClass ( | |
IN CONST UINT64 ClassGuidLo, | |
IN CONST UINT64 ClassGuidHi, | |
IN VOID *ModuleGlobal, OPTIONAL | |
... | |
) | |
{ | |
VA_LIST Args; | |
EFI_STATUS Status; | |
SAL_INTERNAL_EXTENDED_SAL_PROC Function; | |
UINT64 FunctionId; | |
EFI_HANDLE NewHandle; | |
EFI_GUID ClassGuid; | |
VA_START (Args, ModuleGlobal); | |
// | |
// Register all functions of the class to register. | |
// | |
Status = EFI_SUCCESS; | |
while (!EFI_ERROR (Status)) { | |
Function = (SAL_INTERNAL_EXTENDED_SAL_PROC) VA_ARG (Args, SAL_INTERNAL_EXTENDED_SAL_PROC); | |
// | |
// NULL serves as the end mark of function list | |
// | |
if (Function == NULL) { | |
break; | |
} | |
FunctionId = VA_ARG (Args, UINT64); | |
Status = RegisterEsalFunction (FunctionId, ClassGuidLo, ClassGuidHi, Function, ModuleGlobal); | |
} | |
VA_END (Args); | |
if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
NewHandle = NULL; | |
*((UINT64 *)(&ClassGuid) + 0) = ClassGuidLo; | |
*((UINT64 *)(&ClassGuid) + 1) = ClassGuidHi; | |
return gBS->InstallProtocolInterface ( | |
&NewHandle, | |
&ClassGuid, | |
EFI_NATIVE_INTERFACE, | |
NULL | |
); | |
} | |
/** | |
Calls an Extended SAL Class service that was previously registered with RegisterEsalClass(). | |
This function gets the entrypoint of Extended SAL, and calls an Extended SAL Class service | |
that was previously registered with RegisterEsalClass() through this entrypoint. | |
@param ClassGuidLo GUID of function, lower 64-bits | |
@param ClassGuidHi GUID of function, upper 64-bits | |
@param FunctionId Function in ClassGuid to call | |
@param Arg2 Argument 2 ClassGuid/FunctionId defined | |
@param Arg3 Argument 3 ClassGuid/FunctionId defined | |
@param Arg4 Argument 4 ClassGuid/FunctionId defined | |
@param Arg5 Argument 5 ClassGuid/FunctionId defined | |
@param Arg6 Argument 6 ClassGuid/FunctionId defined | |
@param Arg7 Argument 7 ClassGuid/FunctionId defined | |
@param Arg8 Argument 8 ClassGuid/FunctionId defined | |
@retval EFI_SAL_SUCCESS ESAL procedure successfully called. | |
@retval EFI_SAL_ERROR The address of ExtendedSalProc() can not be correctly | |
initialized. | |
@retval Other Status returned from ExtendedSalProc() service of | |
EXTENDED_SAL_BOOT_SERVICE_PROTOCOL. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalCall ( | |
IN UINT64 ClassGuidLo, | |
IN UINT64 ClassGuidHi, | |
IN UINT64 FunctionId, | |
IN UINT64 Arg2, | |
IN UINT64 Arg3, | |
IN UINT64 Arg4, | |
IN UINT64 Arg5, | |
IN UINT64 Arg6, | |
IN UINT64 Arg7, | |
IN UINT64 Arg8 | |
) | |
{ | |
SAL_RETURN_REGS ReturnReg; | |
EXTENDED_SAL_PROC EsalProc; | |
// | |
// Get the entrypoint of Extended SAL | |
// | |
ReturnReg = GetEsalEntryPoint (); | |
if (*(UINT64 *)ReturnReg.r9 == 0 && *(UINT64 *)(ReturnReg.r9 + 8) == 0) { | |
// | |
// The ESAL Entry Point could not be initialized | |
// | |
ReturnReg.Status = EFI_SAL_ERROR; | |
return ReturnReg; | |
} | |
// | |
// Test PSR.it which is BIT36 | |
// | |
if ((ReturnReg.r11 & BIT36) != 0) { | |
// | |
// Virtual mode plabel to entry point | |
// | |
EsalProc = (EXTENDED_SAL_PROC) ReturnReg.r10; | |
} else { | |
// | |
// Physical mode plabel to entry point | |
// | |
EsalProc = (EXTENDED_SAL_PROC) ReturnReg.r9; | |
} | |
return EsalProc ( | |
ClassGuidLo, | |
ClassGuidHi, | |
FunctionId, | |
Arg2, | |
Arg3, | |
Arg4, | |
Arg5, | |
Arg6, | |
Arg7, | |
Arg8 | |
); | |
} | |
/** | |
Wrapper for the EsalStallFunctionId service of Extended SAL Stall Services Class. | |
This function is a wrapper for the EsalStallFunctionId service of Extended SAL | |
Stall Services Class. See EsalStallFunctionId of Extended SAL Specification. | |
@param Microseconds The number of microseconds to delay. | |
@retval EFI_SAL_SUCCESS Call completed without error. | |
@retval EFI_SAL_INVALID_ARGUMENT Invalid argument. | |
@retval EFI_SAL_VIRTUAL_ADDRESS_ERROR Virtual address not registered | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalStall ( | |
IN UINTN Microseconds | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_STALL_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_STALL_SERVICES_PROTOCOL_GUID_HI, | |
StallFunctionId, | |
Microseconds, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalSetNewPalEntryFunctionId service of Extended SAL PAL Services Services Class. | |
This function is a wrapper for the EsalSetNewPalEntryFunctionId service of Extended SAL | |
PAL Services Services Class. See EsalSetNewPalEntryFunctionId of Extended SAL Specification. | |
@param PhysicalAddress If TRUE, then PalEntryPoint is a physical address. | |
If FALSE, then PalEntryPoint is a virtual address. | |
@param PalEntryPoint The PAL Entry Point being set. | |
@retval EFI_SAL_SUCCESS The PAL Entry Point was set. | |
@retval EFI_SAL_VIRTUAL_ADDRESS_ERROR This function was called in virtual mode before | |
virtual mappings for the specified Extended SAL | |
Procedure are available. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalSetNewPalEntry ( | |
IN BOOLEAN PhysicalAddress, | |
IN UINT64 PalEntryPoint | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_PAL_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_PAL_SERVICES_PROTOCOL_GUID_HI, | |
SetNewPalEntryFunctionId, | |
PhysicalAddress, | |
PalEntryPoint, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalGetNewPalEntryFunctionId service of Extended SAL PAL Services Services Class. | |
This function is a wrapper for the EsalGetNewPalEntryFunctionId service of Extended SAL | |
PAL Services Services Class. See EsalGetNewPalEntryFunctionId of Extended SAL Specification. | |
@param PhysicalAddress If TRUE, then PalEntryPoint is a physical address. | |
If FALSE, then PalEntryPoint is a virtual address. | |
@retval EFI_SAL_SUCCESS The PAL Entry Point was retrieved and returned in | |
SAL_RETURN_REGS.r9. | |
@retval EFI_SAL_VIRTUAL_ADDRESS_ERROR This function was called in virtual mode before | |
virtual mappings for the specified Extended SAL | |
Procedure are available. | |
@return r9 PAL entry point retrieved. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalGetNewPalEntry ( | |
IN BOOLEAN PhysicalAddress | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_PAL_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_PAL_SERVICES_PROTOCOL_GUID_HI, | |
GetNewPalEntryFunctionId, | |
PhysicalAddress, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalGetStateBufferFunctionId service of Extended SAL MCA Log Services Class. | |
This function is a wrapper for the EsalGetStateBufferFunctionId service of Extended SAL | |
MCA Log Services Class. See EsalGetStateBufferFunctionId of Extended SAL Specification. | |
@param McaType See type parameter of SAL Procedure SAL_GET_STATE_INFO. | |
@param McaBuffer A pointer to the base address of the returned buffer. | |
Copied from SAL_RETURN_REGS.r9. | |
@param BufferSize A pointer to the size, in bytes, of the returned buffer. | |
Copied from SAL_RETURN_REGS.r10. | |
@retval EFI_SAL_SUCCESS The memory buffer to store error records was returned in r9 and r10. | |
@retval EFI_OUT_OF_RESOURCES A memory buffer for string error records in not available | |
@return r9 Base address of the returned buffer | |
@return r10 Size of the returned buffer in bytes | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalGetStateBuffer ( | |
IN UINT64 McaType, | |
OUT UINT8 **McaBuffer, | |
OUT UINTN *BufferSize | |
) | |
{ | |
SAL_RETURN_REGS Regs; | |
Regs = EsalCall ( | |
EFI_EXTENDED_SAL_MCA_LOG_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MCA_LOG_SERVICES_PROTOCOL_GUID_HI, | |
EsalGetStateBufferFunctionId, | |
McaType, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
*McaBuffer = (UINT8 *) Regs.r9; | |
*BufferSize = Regs.r10; | |
return Regs; | |
} | |
/** | |
Wrapper for the EsalSaveStateBufferFunctionId service of Extended SAL MCA Log Services Class. | |
This function is a wrapper for the EsalSaveStateBufferFunctionId service of Extended SAL | |
MCA Log Services Class. See EsalSaveStateBufferFunctionId of Extended SAL Specification. | |
@param McaType See type parameter of SAL Procedure SAL_GET_STATE_INFO. | |
@retval EFI_SUCCESS The memory buffer containing the error record was written to nonvolatile storage. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalSaveStateBuffer ( | |
IN UINT64 McaType | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_MCA_LOG_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MCA_LOG_SERVICES_PROTOCOL_GUID_HI, | |
EsalSaveStateBufferFunctionId, | |
McaType, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalGetVectorsFunctionId service of Extended SAL Base Services Class. | |
This function is a wrapper for the EsalGetVectorsFunctionId service of Extended SAL | |
Base Services Class. See EsalGetVectorsFunctionId of Extended SAL Specification. | |
@param VectorType The vector type to retrieve. | |
0 - MCA, 1 - BSP INIT, 2 - BOOT_RENDEZ, 3 - AP INIT. | |
@retval EFI_SAL_SUCCESS Call completed without error. | |
@retval EFI_SAL_INVALID_ARGUMENT Invalid argument. | |
@retval EFI_SAL_NO_INFORMATION The requested vector has not been registered | |
with the SAL Procedure SAL_SET_VECTORS. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalGetVectors ( | |
IN UINT64 VectorType | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_HI, | |
EsalGetVectorsFunctionId, | |
VectorType, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalMcGetParamsFunctionId service of Extended SAL Base Services Class. | |
This function is a wrapper for the EsalMcGetParamsFunctionId service of Extended SAL | |
Base Services Class. See EsalMcGetParamsFunctionId of Extended SAL Specification. | |
@param ParamInfoType The parameter type to retrieve. | |
1 - rendezvous interrupt | |
2 - wake up | |
3 - Corrected Platform Error Vector. | |
@retval EFI_SAL_SUCCESS Call completed without error. | |
@retval EFI_SAL_INVALID_ARGUMENT Invalid argument. | |
@retval EFI_SAL_NO_INFORMATION The requested vector has not been registered | |
with the SAL Procedure SAL_MC_SET_PARAMS. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalMcGetParams ( | |
IN UINT64 ParamInfoType | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_HI, | |
EsalMcGetParamsFunctionId, | |
ParamInfoType, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalMcGetParamsFunctionId service of Extended SAL Base Services Class. | |
This function is a wrapper for the EsalMcGetParamsFunctionId service of Extended SAL | |
Base Services Class. See EsalMcGetParamsFunctionId of Extended SAL Specification. | |
@retval EFI_SAL_SUCCESS Call completed without error. | |
@retval EFI_SAL_NO_INFORMATION The requested vector has not been registered | |
with the SAL Procedure SAL_MC_SET_PARAMS. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalMcGetMcParams ( | |
VOID | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_HI, | |
EsalMcGetMcParamsFunctionId, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalGetMcCheckinFlagsFunctionId service of Extended SAL Base Services Class. | |
This function is a wrapper for the EsalGetMcCheckinFlagsFunctionId service of Extended SAL | |
Base Services Class. See EsalGetMcCheckinFlagsFunctionId of Extended SAL Specification. | |
@param CpuIndex The index of the CPU of set of enabled CPUs to check. | |
@retval EFI_SAL_SUCCESS The checkin status of the requested CPU was returned. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalGetMcCheckinFlags ( | |
IN UINT64 CpuIndex | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_BASE_SERVICES_PROTOCOL_GUID_HI, | |
EsalGetMcCheckinFlagsFunctionId, | |
CpuIndex, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalAddCpuDataFunctionId service of Extended SAL MP Services Class. | |
This function is a wrapper for the EsalAddCpuDataFunctionId service of Extended SAL | |
MP Services Class. See EsalAddCpuDataFunctionId of Extended SAL Specification. | |
@param CpuGlobalId The Global ID for the CPU being added. | |
@param Enabled The enable flag for the CPU being added. | |
TRUE means the CPU is enabled. | |
FALSE means the CPU is disabled. | |
@param PalCompatibility The PAL Compatibility value for the CPU being added. | |
@retval EFI_SAL_SUCCESS The CPU was added to the database. | |
@retval EFI_SAL_NOT_ENOUGH_SCRATCH There are not enough resource available to add the CPU. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalAddCpuData ( | |
IN UINT64 CpuGlobalId, | |
IN BOOLEAN Enabled, | |
IN UINT64 PalCompatibility | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI, | |
AddCpuDataFunctionId, | |
CpuGlobalId, | |
Enabled, | |
PalCompatibility, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalRemoveCpuDataFunctionId service of Extended SAL MP Services Class. | |
This function is a wrapper for the EsalRemoveCpuDataFunctionId service of Extended SAL | |
MP Services Class. See EsalRemoveCpuDataFunctionId of Extended SAL Specification. | |
@param CpuGlobalId The Global ID for the CPU being removed. | |
@retval EFI_SAL_SUCCESS The CPU was removed from the database. | |
@retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalRemoveCpuData ( | |
IN UINT64 CpuGlobalId | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI, | |
RemoveCpuDataFunctionId, | |
CpuGlobalId, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalModifyCpuDataFunctionId service of Extended SAL MP Services Class. | |
This function is a wrapper for the EsalModifyCpuDataFunctionId service of Extended SAL | |
MP Services Class. See EsalModifyCpuDataFunctionId of Extended SAL Specification. | |
@param CpuGlobalId The Global ID for the CPU being modified. | |
@param Enabled The enable flag for the CPU being modified. | |
TRUE means the CPU is enabled. | |
FALSE means the CPU is disabled. | |
@param PalCompatibility The PAL Compatibility value for the CPU being modified. | |
@retval EFI_SAL_SUCCESS The CPU database was updated. | |
@retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalModifyCpuData ( | |
IN UINT64 CpuGlobalId, | |
IN BOOLEAN Enabled, | |
IN UINT64 PalCompatibility | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI, | |
ModifyCpuDataFunctionId, | |
CpuGlobalId, | |
Enabled, | |
PalCompatibility, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalGetCpuDataByIdFunctionId service of Extended SAL MP Services Class. | |
This function is a wrapper for the EsalGetCpuDataByIdFunctionId service of Extended SAL | |
MP Services Class. See EsalGetCpuDataByIdFunctionId of Extended SAL Specification. | |
@param CpuGlobalId The Global ID for the CPU being looked up. | |
@param IndexByEnabledCpu If TRUE, then the index of set of enabled CPUs of database is returned. | |
If FALSE, then the index of set of all CPUs of database is returned. | |
@retval EFI_SAL_SUCCESS The information on the specified CPU was returned. | |
@retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalGetCpuDataById ( | |
IN UINT64 CpuGlobalId, | |
IN BOOLEAN IndexByEnabledCpu | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI, | |
GetCpuDataByIDFunctionId, | |
CpuGlobalId, | |
IndexByEnabledCpu, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalGetCpuDataByIndexFunctionId service of Extended SAL MP Services Class. | |
This function is a wrapper for the EsalGetCpuDataByIndexFunctionId service of Extended SAL | |
MP Services Class. See EsalGetCpuDataByIndexFunctionId of Extended SAL Specification. | |
@param Index The Global ID for the CPU being modified. | |
@param IndexByEnabledCpu If TRUE, then the index of set of enabled CPUs of database is returned. | |
If FALSE, then the index of set of all CPUs of database is returned. | |
@retval EFI_SAL_SUCCESS The information on the specified CPU was returned. | |
@retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalGetCpuDataByIndex ( | |
IN UINT64 Index, | |
IN BOOLEAN IndexByEnabledCpu | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI, | |
GetCpuDataByIndexFunctionId, | |
Index, | |
IndexByEnabledCpu, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalWhoAmIFunctionId service of Extended SAL MP Services Class. | |
This function is a wrapper for the EsalWhoAmIFunctionId service of Extended SAL | |
MP Services Class. See EsalWhoAmIFunctionId of Extended SAL Specification. | |
@param IndexByEnabledCpu If TRUE, then the index of set of enabled CPUs of database is returned. | |
If FALSE, then the index of set of all CPUs of database is returned. | |
@retval EFI_SAL_SUCCESS The Global ID for the calling CPU was returned. | |
@retval EFI_SAL_NO_INFORMATION The calling CPU is not in the database. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalWhoAmI ( | |
IN BOOLEAN IndexByEnabledCpu | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI, | |
CurrentProcInfoFunctionId, | |
IndexByEnabledCpu, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalNumProcessors service of Extended SAL MP Services Class. | |
This function is a wrapper for the EsalNumProcessors service of Extended SAL | |
MP Services Class. See EsalNumProcessors of Extended SAL Specification. | |
@retval EFI_SAL_SUCCESS The information on the number of CPUs in the platform | |
was returned. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalNumProcessors ( | |
VOID | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI, | |
NumProcessorsFunctionId, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalSetMinStateFnctionId service of Extended SAL MP Services Class. | |
This function is a wrapper for the EsalSetMinStateFnctionId service of Extended SAL | |
MP Services Class. See EsalSetMinStateFnctionId of Extended SAL Specification. | |
@param CpuGlobalId The Global ID for the CPU whose MINSTATE pointer is being set. | |
@param MinStatePointer The physical address of the MINSTATE buffer for the CPU | |
specified by CpuGlobalId. | |
@retval EFI_SAL_SUCCESS The MINSTATE pointer was set for the specified CPU. | |
@retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalSetMinState ( | |
IN UINT64 CpuGlobalId, | |
IN EFI_PHYSICAL_ADDRESS MinStatePointer | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI, | |
SetMinStateFunctionId, | |
CpuGlobalId, | |
MinStatePointer, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalGetMinStateFunctionId service of Extended SAL MP Services Class. | |
This function is a wrapper for the EsalGetMinStateFunctionId service of Extended SAL | |
MP Services Class. See EsalGetMinStateFunctionId of Extended SAL Specification. | |
@param CpuGlobalId The Global ID for the CPU whose MINSTATE pointer is being retrieved. | |
@retval EFI_SAL_SUCCESS The MINSTATE pointer for the specified CPU was retrieved. | |
@retval EFI_SAL_NO_INFORMATION The specified CPU is not in the database. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalGetMinState ( | |
IN UINT64 CpuGlobalId | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MP_SERVICES_PROTOCOL_GUID_HI, | |
GetMinStateFunctionId, | |
CpuGlobalId, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} | |
/** | |
Wrapper for the EsalMcsGetStateInfoFunctionId service of Extended SAL MCA Services Class. | |
This function is a wrapper for the EsalMcsGetStateInfoFunctionId service of Extended SAL | |
MCA Services Class. See EsalMcsGetStateInfoFunctionId of Extended SAL Specification. | |
@param CpuGlobalId The Global ID for the CPU whose MCA state buffer is being retrieved. | |
@param StateBufferPointer A pointer to the returned MCA state buffer. | |
@param RequiredStateBufferSize A pointer to the size, in bytes, of the returned MCA state buffer. | |
@retval EFI_SUCCESS MINSTATE successfully got and size calculated. | |
@retval EFI_SAL_NO_INFORMATION Fail to get MINSTATE. | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalMcaGetStateInfo ( | |
IN UINT64 CpuGlobalId, | |
OUT EFI_PHYSICAL_ADDRESS *StateBufferPointer, | |
OUT UINT64 *RequiredStateBufferSize | |
) | |
{ | |
SAL_RETURN_REGS Regs; | |
Regs = EsalCall ( | |
EFI_EXTENDED_SAL_MCA_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MCA_SERVICES_PROTOCOL_GUID_HI, | |
McaGetStateInfoFunctionId, | |
CpuGlobalId, | |
0, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
*StateBufferPointer = (EFI_PHYSICAL_ADDRESS) Regs.r9; | |
*RequiredStateBufferSize = (UINT64) Regs.r10; | |
return Regs; | |
} | |
/** | |
Wrapper for the EsalMcaRegisterCpuFunctionId service of Extended SAL MCA Services Class. | |
This function is a wrapper for the EsalMcaRegisterCpuFunctionId service of Extended SAL | |
MCA Services Class. See EsalMcaRegisterCpuFunctionId of Extended SAL Specification. | |
@param CpuGlobalId The Global ID for the CPU whose MCA state buffer is being set. | |
@param StateBufferPointer A pointer to the MCA state buffer. | |
@retval EFI_SAL_NO_INFORMATION Cannot get the processor info with the CpuId | |
@retval EFI_SUCCESS Save the processor's state info successfully | |
**/ | |
SAL_RETURN_REGS | |
EFIAPI | |
EsalMcaRegisterCpu ( | |
IN UINT64 CpuGlobalId, | |
IN EFI_PHYSICAL_ADDRESS StateBufferPointer | |
) | |
{ | |
return EsalCall ( | |
EFI_EXTENDED_SAL_MCA_SERVICES_PROTOCOL_GUID_LO, | |
EFI_EXTENDED_SAL_MCA_SERVICES_PROTOCOL_GUID_HI, | |
McaRegisterCpuFunctionId, | |
CpuGlobalId, | |
StateBufferPointer, | |
0, | |
0, | |
0, | |
0, | |
0 | |
); | |
} |